Rock Drill Bits,DTH Drill Bits

Nothing is more important to rock drilling success than drill bits that cut straight and fast through all types of rock. That's why we offer our customers the best value in rock drill bits. MSD has a full range of face designs, button configurations, and

Zhuzhou Cemented Carbide Tools Accelerate to Seize the Global Market

According to the rough statistics of the Municipal Cemented Carbide Industry Association, last year, the output of CNC blades in our city exceeded 200 million pieces. “Zhuzhou customers” are becoming more willing to provide sophisticated services to foreign companies that assist processing.

Zhuzhou Cemented Carbide Tools

In recent days, Zhuzhou Cemented Carbide Group is busy carrying out the final relocation. In 2020, the high-end cemented carbide bar production line relocation and expansion upgrade project in the Xinma Industrial Park of Zhuzhou High-tech Zone has been put into production. This year, all the bar production of the group headquarters will be transferred here. According to the design, after the project reaches production capacity, it can produce 2,000 tons of high-end cemented carbide bar profiles annually.

Under the heavy pressure of the epidemic, Zhuzhou cemented carbide industry gained a wave of upward market last year. Statistics from the Municipal Cemented Carbide Industry Association show that from January to November last year, Zhuzhou cemented carbide rods increased by 9.5%. The annual output will reach 2500 tons.

As far as the national market is concerned, Zhuzhou’s cemented carbide bars account for only one quarter, but it accounts for a large proportion in the field of cemented carbide bars for emerging industries. For example, Zhuzhou Cemented Carbide Group uses high-end cemented carbide rod profiles as raw materials for micro-diameter drill pins, which are innovative products that break the international monopoly. They have broad market prospects in the processing of 5G product circuit boards and other products, and demand exceeds supply.

The growth of CNC blades is more obvious. From January to November last year, the output of CNC blades in Zhuzhou enterprises increased by 22.5% year-on-year. The annual output is expected to exceed 215 million pieces, while the national output is expected to be around 280 million pieces.

“China is the world’s largest consumption market for CNC blades.” Zhang Zhongjian, executive vice president of the City Cemented Carbide Industry Association, said. A group of cemented carbide companies such as Keyi, Zhuzhou Huarui, Zhuzhou Jinwei, and Zhuzhou Klite have achieved rapid growth.

In 2019, there were only 10 domestic cemented carbide companies that produced more than 1,000 tons.

Three of them are in Zhuzhou, including Zhuzhou Cemented Carbide Group Co., Ltd., Zhuzhou Diamond Cutting Tool Co., Ltd., and Zhuzhou Oukeyi CNC Precision Tool Co., Ltd.

According to the current enterprise growth rate and production expansion project calculation, it is estimated that by 2023, the annual production capacity of Zhuzhou CNC blade head enterprises will reach 396 million pieces, an increase of 84% over 2020, and the annual production capacity of bars is expected to increase to 5,000 tons.

Towards the back end of the higher value-added industrial chain Thread drill bits

In recent years, with the upgrading of domestic manufacturing, the participation of cemented carbide tools in digital manufacturing is gradually deepening, and market demand is also increasing. As the largest cemented carbide production base in the country, Zhuzhou enterprises are also constantly advancing and extending to the higher value end of the industrial chain.

On December 10th last year, Oukeyi, known as the first share in the field of carbide CNC blades in China, officially landed on the Science and Technology Innovation Board for issuance, and it rose by more than 80% on the first day of trading. Public information shows that the funds raised this time will be used for the company’s “Intelligent Manufacturing Base Construction Project with an Annual Output of 40 Million High-end CNC Blades” and “NC Precision Tool R&D Platform Upgrade Project”.

Diamond Cutting Company’s “Integral Relocation and Upgrade Project of Traditional Blade CNC Tools” was officially put into production last year. With this, this company will realize the adjustment of the production capacity of traditional blades, CNC cutting tools, and CNC blade products, and vacate the main manufacturing capacity for high value-added and high-tech products, and achieve iterative upgrades.

“Zhuzhou cemented carbide industry is developing more and more downstream, and more companies are turning to finished tool production and focusing on high value-added products. This is a very good process of upgrading the industrial chain.” said Liu Chao, chairman of the Swiss Machinery Association. “It is hoped that through this close communication form of roadshows, we can learn more about the needs of Zhuzhou enterprises.”

This time, the five companies led by the association mastered the world’s leading innovative technologies in the subdivisions of machine tool equipment, measuring tools, clamping tools, cutting fluids, and software. The Swiss company Oswald is the world’s top supplier of powder presses. Its annual sales in the Chinese market are considerable, of which 80% are Zhuzhou enterprises. 

Application and production process of carbide round bar

Cemented carbide round bar?is mainly used in metal cutting tool manufacturing, wood, plastic required hardness and wear resistance, corrosion resistance products manufacturing, and other industries. It has many outstanding excellent properties. Today, I will introduce the application of cemented carbide round bar and its production process, so that you could have a deeper understanding of cemented carbide round bar.

The main characteristics of cemented carbide round bar are stable mechanical properties, easy welding, high wear resistance and high impact resistance. Carbide round bar is mainly used for drill, end mill and reamer. It can also be used for cutting, stamping and measuring tools. Widely used in the field of national production and processing. For example: micro drill in PCB industry, electrode rod in photoelectric communication industry, tungsten steel drill, drill shank, push rod, wear-resistant precision parts in machining industry, are the preferred high-quality materials for integral CNC milling cutter and machining cutter with hole.

Cemented carbide round bar, also known as tungsten steel round bar, is a kind of alloy material with high hardness and high strength, which is made of cemented carbide (WC) as the main raw material, plus other precious metals and paste phase by powder metallurgy method.

The production of cemented carbide round bar has the following characteristics

1. Using fine tungsten carbide and imported cobalt powder as raw materials.

2. Low pressure sintering technology is used for standardized production.

3. It has high strength and hardness.

4. It has the characteristics of red hardness, good wear resistance, high modulus of elasticity, high bending strength, good chemical stability (acid resistance, alkali resistance, high temperature oxidation resistance), good impact toughness, low coefficient of expansion, and similar thermal and electrical conductivity to iron and its alloys.

5. High tech precision equipment: 10MPa low pressure sintering furnace imported from Germany.

6. New technology: vacuum high temperature and high pressure sintering. In the final stage, pressure sintering is used to reduce porosity, improve compactness and greatly improve mechanical properties of products.

7. Product features: there are many material brands, which can meet the needs of different uses; Complete specifications, accurate blank size (reduce processing capacity, improve production efficiency).

 

Through the above introduction,6 Inch DTH Hammer  I believe you have a clear understanding of cemented carbide round bar. I hope our article is helpful to you.

Down-the-hole impactorworking principle

Impactor application range:

It is widely used in hole-forming operations in mines and water conservancy, hydropower, highway, railway, national defense, construction and other projects where metallurgy, coal, chemicals, and building materials are not busy. It is suitable for dry, feng-shui mixing and blast hole gushing wet operations with reliable working performance. , Is the ideal drilling and blasting equipment today. 

 

Down-the-hole impactorworking principle:

At the beginning of the impact stroke, both the piston and the valve plate are in the extreme upper position, and the compressed air enters the upper cavity of the cylinder through the radial holes of the valve cover and valve seat, pushing the piston to move downward at high speed to impact the drill.When the piston travels to the bushing and the spline groove is closed, the pressure in the lower chamber begins to rise, so the center hole of the upper end of the piston leaves the valve rod, the upper chamber is vented to atmosphere, the pressure is reduced, and the working stroke ends.When the piston hits the tail of the drill bit, the valve plate reverses its direction due to the pressure difference between the upper and lower sides, and the piston repeats its return stroke movement.. 

 

Features of DTH impactor:
1.Large single impact energy, low energy consumption for rock crushing;
2.The weight ratio of the piston to the bit is close, and the effective time is long, which is beneficial to improve the efficiency of rock breaking and prolong the life of the drilling tool;
3.The central exhaust and slag discharge effect is good, reducing repeated rock fragmentation;
4.Impactor with check valve device.Can drill blastholes in the water.HR series down-the-hole impactor.Widely used in thousands of energy, transportation, metallurgy, building materials and other industries, it is an ideal perforation equipment.

 


Down-the-hole drill model

Low wind pressure DTH drill bit: 8090 100 110 120 130 140 150 180 185 200 220

High-pressure down-the-hole drill bits: 115 127 138 152 165 178 195 203 216 240 254 304

 

Down-the-hole impactor model

Low wind pressure DTH impactor: CIR65 CIR70 CIR90 CIR110 CIR130 CIR150 CIR170 CIR200

High wind pressure DTH impactor: DHD340 DHD350 DHD360 DHD380 N125 SD12

 

Hunan professional copper tungsten processing tungsten alloy rod

 tungsten-copper alloy production process specifications and processing precautions. Tungsten-copper (copper-tungsten) production process specifications have been continuous in the past two years. The continuous matrix phase copper metal matrix composite material has been widely used, gradually using refractory metals such as tungsten (molybdenum).The common production method of traditional copper/tungsten composite materials is the copper-tungsten infiltration method, and the tungsten-copper parts are mechanically ground into the final shape..

Plating Thickness Capability up to 0.3mm.Through proper pre-treatment of different base materials, a coating with good adhesion between the coating and the base material can be obtained.The shape of the base material can obtain qualified coatings on various base materials.Tungsten alloy electroplating process. The promotion and application of this process technology has good social and economic benefits..Corrosion resistance The corrosion resistance of the plated sheet was measured by immersing it in 5% hydrochloric acid and 5% sodium hydroxide. The results showed that after 72 hours of immersion in 5% hydrochloric acid, a blue protective film was formed on the surface of the coating to prevent corrosion. Further occurrence; soaking in 5% sodium hydroxide for 72 hours, the coating is intact.

 

Hunan tungsten alloy material tungsten carbide rod, the tungsten material is hard and will not be stuck by the fish mouth..The traditional lead fishing sinker is relatively soft, if it is swallowed by the prey, it is easy to get stuck in it and not easy to remove.The tungsten alloy fishing sinker is relatively hard and can be taken out of the fish mouth smoothly..Tungsten has strong wind resistance and good hand feel. Compared with lead fishing sinkers, tungsten alloy fishing sinkers have a higher density and strong wind resistance. The fishing feel will be better and the hooking rate will be higher..

However, there are two problems when the sand blasting nozzle works. One is the difficulty in absorbing sand due to the poor vacuum of the wet sand inlet of the nozzle and the too small diameter of the wet sand inlet during sand absorbing; the other is the internal spray hole and The nozzle wear problem caused by the inconsistent inlet interval of the sand-water mixing straight pipe section or the inappropriate selection of raw materials for the sand-water mixing straight pipe.

Tungsten nickel alloy is an alloy with high melting point, high hardness and high corrosion resistance. The nickel content is less than 10% or 10% to 25%, and the balance is tungsten..Tungsten-nickel alloy special metal powder compaction technology has high product precision, excellent mechanical properties, high surface finish, high data utilization, and low production cost; the production of parts is low in density and high in relative density 98%;

Jiayuguan DTH drill bits are of superb quality

 

The gearbox of Xining auger drill can slide up and down along the slideway of the drill frame to ensure the verticality of the drilling.Xining DTH drill rigs allow more people to enjoy a healthy life and realize the sustainable development of social and corporate benefits.Xining DTH drilling rig business is mainly oriented to many fields such as subways, tunnels, petrochemicals, coal chemicals, and large industrial and civil buildings..Xining DTH drilling rigs will be committed to providing new and old customers with better quality, better service, and more cost-effective drilling rigs, and will be the icing on the cake for our customers' engineering construction and supporting products!

Inspection of casing and drill pipe joints of Qinghai drilling rig: The casing should be tightened when connecting, and the joint should be prevented from loosening when there is a joint exposed outside..The drill pipe must be tightened to prevent back-off from the drill pipe joint when the drill tool is reversed.When the Qinghai drilling rig finds rotation resistance or the outer casing is rotating along with it, lightly lift the drilling tool to blow the hole. If there is too much mud when the slag is discharged, water should be injected into the hole and the spray is discharged to discharge the mud..Since its establishment, Xining Drilling Rig has developed rapidly and steadily in the industry with its team, strict management, and excellent service.

Xining DTH drilling rig is a rotary percussion drilling rig.The impactor is directly submerged into the bottom of the hole to drill the rock, the impact energy transmission loss is small, and the drilling efficiency is high..Qinghai down-the-hole drill rigs sincerely thank friends from all walks of life for their support and love, wholeheartedly serve customers, and warmly welcome new and old customers to visit us.Xining DTH drill rigs have a full range of varieties, strong technical force and good after-sales service, which has created a good reputation.Qinghai drilling rigs reduce noise and dust hazards, safe production, and improve working conditions.

Jiayuguan DTH drill bits are of superb quality. Qinghai drilling rig adopts modern design, system optimization and is carefully designed and manufactured with a series of patented technologies. It has low fuel consumption and significant economic benefits.Xining drilling rigs have established long-term and stable cooperative relations with many to satisfy the market and serve consumers.Qinghai Open-air DTH Drilling Rig is willing to work with all new and old customers: Spread its wings and build glory.Xining open-air down-the-hole drill rig can support rock drills to drill rock holes and use various power to walk machinery.Qinghai drilling rig adopts a self-developed three-channel recoil integrator and a special dust removal motor, which has a good dust removal effect.

Xining DTH drilling rig is a rotary percussion drilling rig.The impactor is directly submerged into the bottom of the hole to drill the rock, the impact energy transmission loss is small, and the drilling efficiency is high..Qinghai down-the-hole drill rigs sincerely thank friends from all walks of life for their strong support and love, wholeheartedly serve our customers, and warmly welcome new and old customers to visit us.Xining DTH drilling rig has a complete range of varieties, strong technical force and good after-sales service, which has created a good reputation.Qinghai drilling rigs reduce noise and dust hazards, safe production, and improve working conditions.

 

When the Qinghai drilling rig discovers casing deflection when drilling holes, it should be adjusted in time to ensure the accuracy of subsequent pipe follow-up.Problems encountered in the follow-up drilling of Qinghai pipe shed drilling rigs and their solutions.Xining Pipe Shed Drilling Rig Concept: Honesty, Long-term Service, Winning by Quality!The general sequence of construction of the Qinghai pipe shed drilling rig is: drilling and synchronously following seamless steel pipes  washing holes  placing steel cages in the steel pipes  pressure injection of cement slurry.Xining pipe shed drilling rigs provide users with genuine products and good services, which have been unanimously recognized and praised by customers.

2 The sensitivity of the safety valve is not high, which causes the fault location system. The jack leg at the end of the drill arm can be stretched vertically or horizontally. The correct positioning method is: extend horizontally before drilling, and then extend longitudinally. After drilling is completed, First retract vertically and then retract horizontally.If the operation sequence is wrong, due to the low sensitivity of the safety valve on which the positioning system is based, the positioning pressure will increase sharply, and failures such as "positioning pipe bursts and oil leakage" in the early use period will occur, which is wasteful and delays tunnel operation time..

Manufacturing method of multi-bit rock drill


At present, manual single-drill rod rock drills are commonly used in mine excavation. There is no rock drill that can simultaneously install multiple drill rods on a workbench and complete multiple drilling operations at the same time.. Summary of the invention
The purpose of the utility model is to provide a multi-bit rock drill capable of simultaneously operating multiple drill rods on one working surface.
The technical solution adopted by the utility model to solve the technical problem is that the lower part of the walking chassis 18 with the steering mechanism is equipped with tires, crawlers or track wheels matched with the track, and the walking chassis 18 is installed
Equipped with a power mechanism 21, a support frame 6 and an up-and-down adjustment mechanism 16 are installed on the front part of the walking chassis 18. The support frame 6 is movably fitted with a sliding plate 14, the upper part of the sliding plate 14 is fixedly connected to the connecting block 7, and the connecting block 7 is adjusted up and down. The upper part of the mechanism 16 is fixedly connected, the sliding sleeve 5 is connected to the sliding plate 14 in a movable fit, one end of the push rod 4 is sleeved in the sliding sleeve 5, and the other end of the push rod 4 is installed with a multi-drill rod mounting plate 2, a multi-drill rod mounting plate 2 Two or more drill rods connected to the impact mechanism are installed on the.
The control mechanism 17 of the utility model installed on the walking chassis 18 is connected with the console 19, the upper and lower adjustment mechanism 16, the control part of the push rod 4 are respectively connected with the control mechanism 17; or the push rod 4 is matched with a dust cover 9; or set multiple long groove-shaped mounting holes on the multi-drill rod mounting plate 2.It is also possible to install a supporting mechanism 22 on the lower part of the walking chassis 18, or install a seat 20 behind the console 19 of the walking chassis 18, or install a protective top cover above the seat 20 and the console 19.The inner end of the sliding sleeve 5 is fixed on the lower side of the sliding sleeve hinge support 11, the sliding sleeve hinge support 11 is hinged to the support hinge support 12, and the outside of the support hinge support 12 is installed with the direction adjustment of the sliding sleeve 5 Organization 10.The drill rod 1 installed on the multi-drill rod mounting plate 2 uses multiple motors 3 to connect to the drill rod 1 respectively.The drill rod 1 that can also be installed on the multi-drill rod mounting plate 2 uses a horse
Dajing transmission mechanism is connected with drill pipe 1.
The power mechanism 21 of the present invention can adopt a motor, an internal combustion engine or a hydraulic drive mechanism.The impact mechanism of the drill rod 1 adopts an electric, pneumatic or hydraulic drive mechanism.It is also possible to install the support member 8 between the support frame 6 and the walking chassis 18; or install the support support member 13 between the support hinge support 12 and the support frame 6; or add a counterweight device and an anti-vibration device to the walking chassis 18 And propulsion device.
The beneficial effect of the utility model is that the multi-drill rod mounting plate of the utility model can be arranged according to needs
Multiple drill rods are installed, so that the utility model can simultaneously perform multi-hole drilling on one end face, which better reduces the labor intensity of workers in mining operations, improves work efficiency, and its boring speed can be compared with existing equipment foundations. Up to several times higher, it can reduce production workers, greatly reduce production costs, and improve safety factor at the same time.It can be widely used in various mine operations.

Figure 1 is a schematic diagram of the structure of the utility model.
Figure 2 is a schematic plan view of the structure of the multi-drill rod mounting plate of the utility model.
In the figure, 1-drill rod, 2-multi-drill rod mounting plate, 3-motor, 4-propulsion rod, 5-sliding sleeve, 6-support frame, 7-connection block, 8-support member, 9-dust cover, 10-direction adjustment mechanism, 11-slide hinge support, 12-support hinge support, 13-support support member, 14-sliding board, 15-positioning device, 16-up and down adjustment mechanism, 17-control mechanism, 18- Walking chassis, 19-console, 20-seat, 21-power mechanism, 22-support mechanism.
detailed description

The following examples will further illustrate the utility model as follows
In Embodiment 1, the walking chassis 18 of the present utility model is equipped with a steering mechanism, and the lower part can be installed with tires and crawlers. The track wheels matched with the track can be designed according to the requirements of the working conditions.
A power mechanism 21 is installed on the walking chassis 18, and the power mechanism 21 provides power to drive the walking chassis 18 and various operating mechanisms to work. A support frame 6 and a vertical adjustment mechanism 16 are installed on the front of the walking chassis 18, and the support frame 6 becomes movable The sliding plate 14 is matched to install the sliding plate 14 so that the sliding plate 14 can slide up and down along the support frame 6, and a positioning device 15 matching the sliding plate 14 can also be provided on the support frame 6 to position the sliding plate 16 and the sliding plate 14
The upper part of the fixed connection block 7 is fixedly connected to the upper part of the upper and lower adjustment mechanism 16, and the sliding sleeve 50 is movably connected with the slide plate 14. The upper and lower adjustment mechanism 16 can adjust the height of the sliding sleeve 5.Propulsion rod 4 can be used either hydraulic cylinder or taper drill bits Worm gear structure, one end of the propulsion rod 4 is sleeved in the sliding sleeve 5, the other end of the propulsion rod 4 is installed with a multi-drill rod mounting plate 2, and two or more drill rods 1 are installed on the multi-drill rod mounting plate 2. The drill rod 1 mounted on the multi-drill rod mounting plate 2 can be pushed forward or backward through the push rod 4; the drill rod 1 mounted on the multi-drill rod mounting plate 2 can either use multiple motors 3 to drive the drill rod 1 to work, or A motor can be used to drive the drill rod 1 to work through a transmission mechanism; the drill rod mounting holes on the multi-drill rod mounting plate 2 can be long grooved and designed with multiple mounting holes, which can be installed on the multi-drill rod mounting plate 2 according to needs. Multiple drill rods 1 are arranged in the upper row, so that multiple holes can be drilled on one end face at the same time, thereby greatly improving work efficiency. The push rod 4 can also be matched with the dust cover 9.The utility model is preferably equipped with an electric or hydraulic motor walking device; it is also possible to add a counterweight device, an anti-vibration device and a propulsion device to the walking chassis 18 according to the needs, so that the utility model is more stable during operation and the drilling speed is faster , The drilling position is more accurate.In order to increase the stability, a support member 8 can be installed between the support frame 6 and the walking chassis 18.Refer to Figure 1 and Figure 2.
In the second embodiment, the control mechanism 17 of the present invention is connected to the console 19, and the upper and lower adjustment mechanism 16, the control part of the push rod 4 are respectively connected to the control mechanism 17, or a seat can be set behind the console 19 of the walking chassis 18. Chair 20, the staff can complete the work by operating the console 19 on the chair 20.A protective top cover can also be installed above the seat 20 and the console 19.Refer to Figure 1 and Figure 2, the rest are the same as in Example 1.
In Embodiment 3, the present utility model can also be equipped with a supporting mechanism 22 on the lower part of the walking chassis 18, dth drill pipe During operation, the support mechanism 22 is extended and supported on the ground to make the walking chassis fixed for easier work and stability. The support mechanism 22 can adopt a hydraulic mechanism, which can be easily extended and operated..Refer to Figure 1 and Figure 2, the rest is the same as the above
In embodiment 4, the present utility model can also be fastened to the sliding sleeve hinge support 11 on the lower side of the inner end of the sliding sleeve 5. The sliding sleeve hinge support 11 is hinged on the support hinge support 12, and the support hinge support 12 is installed outside There is a direction adjustment mechanism 10 connected with the sliding sleeve 5, so that the direction of the drill rod 1 can be adjusted by manipulating the direction adjustment mechanism 10.In order to increase the stability, a support support member 13 can also be installed between the support hinge support 12 and the support frame 6..See
Figure 1 and Figure 2, the rest are the same as the above embodiment.
Embodiment 5, the power mechanism 21 installed on the walking chassis 18 of the present utility model adopts an electric walking device; the control mechanism 17 connected with the console 19 can adopt a multifunctional electric control system, and the up and down adjustment mechanism 16, the control of the push rod 4 The parts are respectively connected with the control mechanism 17. The up and down adjustment mechanism 16 and the propulsion rod 4 can adopt a hydraulic propulsion device, and the hydraulic propulsion device can be composed of a hydraulic cylinder and an angle adjuster. The motor 3 adopts a hydraulic motor and is connected with a hydraulic The control system is matched; the multi-function electric control system and the hydraulic control system can be composed of hydraulic station, oil cylinder, electromagnetic reversing valve and hydraulic regulating valve, etc., and can also be installed on the drill rod 1 installed on the multi-drill rod mounting plate 2. A smart buffer is installed on the chuck. The smart buffer includes a buffer device and a sensor, so as to avoid the torsion of the drill rod during the drilling process..Refer to Figure 1 and Figure 2, the rest is the same as the above embodiment.
Rights request1. A multi-bit rock drill bits, characterized in that the lower part of the walking chassis (18) with the steering mechanism is equipped with tires, crawlers or track wheels matched with the track, and the power mechanism (21) is installed on the walking chassis (18) , Install the support frame (6) and the up-and-down adjustment mechanism (16) on the front of the walking chassis (18), the support frame (6) is movably fitted with the slide plate (14), and the upper part of the slide plate (14) is fixedly connected to the connecting block ( 7), the connecting block (7) is fixedly connected with the upper part of the up and down adjustment mechanism (16), the sliding sleeve (5) is connected to the sliding plate (14) in a movable fit, and one end of the pushing rod (4) is sleeved on the sliding sleeve (5) Inside, the other end of the push rod (4) is equipped with a multi-drill rod mounting plate (2), and the multi-drill rod mounting plate (2) is equipped with two or more drill rods (1) connected to the impact mechanism.
2. The multi-bit rock drill according to claim 1, characterized in that the control mechanism (17) installed on the walking chassis (18) is connected with the console (19), the up and down adjustment mechanism (16), the push rod (4) The control part of) is respectively connected with the control mechanism (17); or a dust cover (9) is fitted on the push rod (4); or a plurality of long slot-shaped mounting holes are provided on the multi-drill rod mounting plate (2).
3. The multi-bit rock drill according to claim 1 or 2, characterized in that a supporting mechanism (22) is installed at the lower part of the walking chassis (18), or a seat is arranged behind the console (19) of the walking chassis (18) (20), or install a protective top cover above the seat (20) and the console (19).
4. The multi-bit rock drill according to claim 1, characterized in that the lower side of the inner end of the sliding sleeve (5) is fixedly connected to the sliding sleeve hinge support (11), and the sliding sleeve hinge support (11) is hinged to the supporting hinge support On the seat (12), a direction adjustment mechanism (10) connected with the sliding sleeve (5) is installed on the outside of the supporting hinge support (12).
5. The multi-bit rock drill according to claim 1, characterized in that the drill rod (1) installed on the multi-drill rod mounting plate (2) is connected to the drill rod (1) by a plurality of motors (3) respectively.
6. The multi-bit rock drill according to claim 1, characterized in that the drill rod (l) installed on the multi-drill rod mounting plate (2) is connected with the drill rod (1) via a transmission mechanism by a motor.
7. The multi-bit rock drill according to claim 1, characterized in that the power mechanism (21) adopts an electric motor, an internal combustion engine or a hydraulic drive mechanism.
8. The multi-bit rock drill according to claim 1, characterized in that the impact mechanism of the drill rod (1) adopts an electric, pneumatic or hydraulic drive mechanism.
9. The multi-bit rock drill according to claim 1 or 4, characterized in that a support member (8) is installed between the support frame (6) and the walking chassis (18); or between the support hinge support (12) and the support Install support members (13) between the frames (6); or add counterweight devices, anti-vibration devices and propulsion devices to the walking chassis (18).
Patent abstractMulti-bit rock drill.It mainly solves the technical problems of the existing rock drills that cannot complete multiple drilling operations at the same time..The main point of the technical solution is to install the support frame and the up and down adjustment mechanism on the front of the walking chassis with the power mechanism, the support frame is movably fitted to install the skateboard, the upper part of the skateboard is fixedly connected to the connecting block, and the connecting block is fixed to the upper part of the up and down adjustment mechanism , The sliding sleeve is connected to the sliding plate in a movable fit. One end of the propelling rod is sleeved in the sliding sleeve, and the other end of the propelling rod is installed with a multi-drilling rod mounting plate. The multi-drilling rod mounting plate is equipped with 2 or more drill rods..It can arrange and install multiple drill rods on the multi-drill rod mounting plate according to the needs, so that multiple holes can be drilled on one end face at the same time. It can reduce the labor intensity of the workers in the mining operation. On the basis of the existing equipment, it can be increased by several times, which can reduce the production personnel, greatly reduce the production cost, and improve the safety factor at the same time..It can be widely used in various mine operations.

Tangshan drilling rock drill rock drill drill pipe drill bit

Before the concrete structure is cut and constructed, temporary support measures should be taken at the bottom of the beam and slab, and the original structure should be reinforced at key locations. The subsequent concrete cutting work can be carried out after the reinforced components meet the design requirements. If the following conditions are found during the demolition.Carry out on-site surveys and compile construction organization designs or plans and measures in accordance with the relevant regulations of the construction authority. Before dismantling the structural components of this project, ensure that all external loads have been removed or unloaded. At the same time, ensure that the removed components have been removed. Is fixed and meets the requirements of the plan.The construction unit should notify the designer immediately. After the designer confirms, the construction can be continued: the existing structure is deformed; the existing structure is corroded; the existing structure is cracked; the existing structure and drawings are not.Saw blade cutting and removal: installing saw blades of different specifications can cut concrete with a thickness of less than 750mm.Features: sharp cutting, long service life, straight cutting.Scope of application: cutting of reinforced concrete components, cutting of high-standard concrete pavements.

 
Principle of rock drill: It is mainly powered by compressed air, and a circular hole is formed by the impact and rotation of the piston impact rod..

 

 
Our down-the-hole drilling rig models only have: SKD70 electric drilling rig, SKQ70 pneumatic drilling rig, SKD80 electric drilling rig, SKD100 electric drilling rig, SKD100 electric drilling rig, SKD100 electric drilling rig, SKQ100 pneumatic drilling rig, SKB100-4 cycloid drilling rig, SKB120-5.5 cycloid drilling rig.Small down-the-hole drilling rig is suitable for large-diameter blasthole drilling operations in small and medium-sized mines and road construction, water conservancy and stone works. It is also an indispensable rock drilling equipment for early mining conditions in open-pit mines, and is especially suitable for other rigs to work impermanently. The rough and rugged terrain is filled with waste slag in the underground construction of the metal mine through a down-the-hole drilling rig.Rod unloader is mainly composed of front clamping device, rear clamping device, front clamping cylinder, rear clamping cylinder, and clamp. The hydraulic down-the-hole drilling rig has high efficiency, high cost performance, strong adaptability, and low operating cost. Advantages, this article describes the main performance parameters, production capacity and the number of configurations of hydraulic down-the-hole drilling rigs. The drilling rig is a composite power machine..


We usually use slab reinforcement to add stairs.The cost is naturally different. For example, if you cut three support beams, the fee charged is basically three times that of one support beam. Of course, if the number of cuts is large, the construction team may give a certain discount, but overall From the perspective, no matter which cutting company it is.In terms of charges, different charges are based on the number of roots. In addition to the number of supporting beams, the radius of the supporting beam is also the key. If the supporting beam is thicker, it will take longer to cut, and the cutting of the supporting beam will also charge As a result, the radius of the support beams on various traffic roads is not the same. In this case, the price cannot be the same.Although bridge cutting does not have a large risk factor like underwater cutting, it is still necessary to make arrangements for all aspects of the cutting work. The construction staff will exchange various types of construction plans after work, and the construction technology of planting reinforcement. And step concrete planting reinforcement work. 


Operating procedures:
Before rock drilling, check the integrity and rotation of all components (including rock drills, supports or rock drilling rigs), add lubricating oil, check whether the air path, the water path are unblocked, and whether the connection joints are firm. 


Knock the roof near the working face, that is, check the roof and the second bank near the working face for live rock and turquoise, and deal with it. 


The position of the blasthole on the flat working face must be leveled before drilling to prevent slippage or displacement of the blasthole. 


It is strictly forbidden to drill the hole, and we must insist on wet rock drilling. When operating, start the water first, then open the wind, and turn off the wind first, then turn off the water when stopping drilling..Operate at low speed when opening the eye, and then drill at full speed after drilling to a certain depth.


Personnel supporting drills are not allowed to wear gloves when drilling.


The steel bars in the wall are human rock drill bits Bones, when the pipeline is buried, if the steel bar is broken.The reasons for the demolition of buildings are mainly reflected in the use function changes or planning and requirements, and there are also demolition due to the basic requirements of the building's inability to use the basic requirements. Then what needs to be done in the construction of the building demolition project, the construction personnel must carefully review the construction unit The following information provided: relevant drawings and information of the demolition project.The detection of diseases in the grassroots and sub-bases is suitable for the detection of voiding diseases on cement concrete pavements, fine scanning and positioning of the diseased areas, and providing a basis for formulating maintenance plans. The concept of green building is deeply rooted in the hearts of the people, and the application of fair-faced concrete will be widely used. The unique charm it exudes also makes more people attracted.Information on the distribution of ground and underground buildings and facilities in the area involved in the demolition project, understand the drawings and materials of the demolition project, conduct on-site surveys, clarify the structure of the building, construction, water, electricity, and equipment and pipelines, and learn related specifications and documents.


In order to achieve the purpose of reinforcement, the mechanical characteristic of fiber composite materials is that its stress-strain variable is linear elastic, and there is no yield point or plastic zone..After replacing the cutting blade, test run to see if there is obvious vibration. This confirms that the operation is normal before the concrete can be cut..Also known as tangent support or linear support, the upper support is a flat plate, and the lower support is an arc-shaped steel plate. The two are tangent to each other to form a linear support.Otherwise.Because carbon fiber has the advantages of light weight, corrosion resistance, fatigue resistance and other excellent physical and mechanical properties, as well as the advantages of fast construction speed, short construction period, and easy adhesion, it is a material for reinforcement of old bridges..Chargers, truck cranes, mortar mixing stations, in many short and difficult concrete cutting projects, carefully designed with the team, boldly, and established a good reputation in the concrete cutting industry. The specific concrete cutting depends on the difficulty of construction, and Construction, concrete texture, etc. Generally speaking.Ganzhou concrete cutting industry for many years: concrete cutting, bridge cutting, supporting beam cutting, subway cutting, bridge pier cutting, underwater cutting.