CN210087234U - Movable hydraulic anchoring drill carriage for coal face - Google Patents
Movable hydraulic anchoring drill carriage for coal face Download PDFInfo
- Publication number
- CN210087234U CN210087234U CN201920077216.6U CN201920077216U CN210087234U CN 210087234 U CN210087234 U CN 210087234U CN 201920077216 U CN201920077216 U CN 201920077216U CN 210087234 U CN210087234 U CN 210087234U
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- assembly
- drilling machine
- guide rail
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- 239000003245 coal Substances 0.000 title claims abstract description 12
- 238000004873 anchoring Methods 0.000 title claims description 15
- 238000005553 drilling Methods 0.000 claims abstract description 70
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000033001 locomotion Effects 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 20
- 238000005065 mining Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Abstract
The utility model discloses a portable hydraulic pressure anchor drill carriage of coal face. The method comprises the following steps: the drilling machine comprises a chassis assembly, an operation platform, a pump station system and a drilling machine assembly, wherein the operation platform, the pump station system and the drilling machine assembly are all arranged on the chassis assembly; the walking assembly comprises a rack rail driving wheel, a transmission mechanism and a hydraulic motor, the hydraulic motor is arranged in the middle of the chassis assembly, an output shaft of the hydraulic motor is connected with the rack rail driving wheel, the rack rail driving wheel is meshed with a scraper machine rack rail on a scraper machine, walking supporting sliding shoes are arranged on two sides of the chassis assembly, and the walking supporting sliding shoes are arranged on a scraper machine trough; the drilling machine assembly comprises a drilling machine main body, a sliding seat, a guide rail and a rotary assembly, wherein a rotary speed reducer is arranged between the guide rail and a rotary base, the rotary base is connected with a chassis assembly through the rotary speed reducer, and the drilling machine main body is connected with the guide rail through the rotary assembly.
Description
Technical Field
The invention relates to a mine supporting technology, in particular to a movable anchoring drill carriage during the end mining period of a coal face.
Background
During the final mining period of the coal face, the working face removing support mode is that a wood plate beam is matched with a single support column for support, the geological condition of the mine is complex, the installation and removal are frequent, and the traditional support mode has the defects of high labor intensity, low safety coefficient, poor economical efficiency and the like.
A novel supporting mode is adopted, a composite supporting mode of drilling anchor rods and anchor cables, laying steel bar ladders and binding steel wire ropes under a flexible net laid on the top plate is adopted for top plate supporting, and supporting strength and safety are greatly improved. Due to the innovation of a working face supporting mode, a large amount of drilling operation is needed for the last mining and manufacturing conditions, the traditional drilling machine is heavy, unfavorable to move, slow in drilling speed, low in efficiency and high in labor intensity of workers, and the safe production and actual requirements cannot be met.
Adopt novel mode of strutting, this operating mode condition needs a large amount of drilling operations, and the drilling efficiency that current generally adopted pneumatic roofbolter to exist is low, moves speed slowly, and workman's intensity of labour is big, and has certain dangerous drawback. In order to solve the defects, a mobile hydraulic anchoring drill carriage needs to be designed, is arranged on a working face conveyor, and is driven by power provided by emulsion to drive a hydraulic motor to travel, so that the technical problems encountered in the construction process of a fully mechanized mining face are effectively solved.
Disclosure of Invention
In order to solve the following main technical problems: firstly, the anchoring drill carriage can be automatically pulled to walk, so that the problems of low efficiency and low moving speed of the existing pneumatic jumbolter are solved; and secondly, the anchoring drill carriage can be adjusted in multiple angles to move up and down, so that mechanical construction of anchor rod (cable) holes with different heights and angles of the fully mechanized mining surface can be conveniently realized, top walls can be operated simultaneously, and drilling construction of the whole section can be completed through one-time positioning.
The invention adopts the following technical scheme.
A coal face mobile hydraulic anchoring drill carriage comprising: the drilling machine comprises a chassis assembly, an operation platform, a pump station system and a drilling machine assembly, wherein the operation platform, the pump station system and the drilling machine assembly are all arranged on the chassis assembly;
the walking assembly comprises a rack rail driving wheel, a transmission mechanism and a hydraulic motor, the hydraulic motor is arranged in the middle of the chassis assembly, an output shaft of the hydraulic motor is connected with the rack rail driving wheel, the rack rail driving wheel is meshed with a scraper machine rack rail on a scraper machine, walking supporting sliding shoes are arranged on two sides of the chassis assembly, and the walking supporting sliding shoes are arranged on a scraper machine trough; the drilling machine assembly comprises a drilling machine main body, a sliding seat, a guide rail and a rotary assembly, wherein a rotary speed reducer is arranged between the guide rail and a rotary base, the rotary base is connected with a chassis assembly through the rotary speed reducer, and the drilling machine main body is connected with the guide rail through the rotary assembly.
Furthermore, the guide rail is a conventional sliding motion part, a large-torque motor and a rack are arranged in the guide rail, the sliding seat translates along the guide rail, the moving stroke is 1700mm, and the sliding seat is connected with the guide rail in a buckling and pressing mode.
At present, no coal face movable hydraulic drill carriage exists in China, a single drilling machine or a fixed drilling machine is adopted, along with the gradual implementation and popularization of a composite support mode, the coal face movable hydraulic anchoring drill carriage has great development and popularization space, and the following problems are solved: this portable hydraulic pressure anchor drill carriage installs on the working face conveyer, through driving hydraulic motor walking, replaces traditional roofbolter, realizes high-efficient, beat stock, anchor rope fast.
1. The invention can realize the self-moving function and improve the moving efficiency. The defects that the traditional drilling machine body is heavy and is not easy to move are overcome. Adopt from the walking mode, speed is adjustable, and possesses self-locking function, prevents that the rig from beating among the drilling process landing.
2. The angle and the height of the invention can be adjusted. The drilling angle can be adjusted, and drilling can be performed vertically and horizontally and at any angle of 0-90 degrees; the punching height is adjustable, and the hydraulic control stretching device and the lifting device can stretch out the drilling tool when needed. The main machine drilling uses a speed multiplying mechanism to realize the quick propulsion of the gyrator. The propelling stroke is 2.1 meters, and the drilling of the drilling tools with different lengths can be realized.
3. The technical scheme is efficient, rapid and safe, and the work efficiency is improved by 3 times. The hydraulic anchoring drill carriage is light in weight, travels on the scraper conveyor, increases the flexibility of the drill carriage, and can drill holes at +/-90 degrees through adjustment of a rotary speed reducer of the drilling device; still possess holder and guider, the in-process of being convenient for bore is known the hole and is dismantled the drilling rod automatically, improves 3 times work efficiency than conventional roofbolter, can be in the high-efficient probing of roof situation relatively poor condition under, and takes the protection chute boot, ensures worker's safety.
4. The hydraulic anchoring drill carriage adopts a modular design and is high in reliability. The drilling machine uses five modules, has strong universality with other equipment parts, and can realize quick disassembly and replacement of parts. The drill rod is detached, so that the drill rod guide device can be opened and closed, and the drill rod is convenient to replace. The drilling machine greatly improves the working efficiency and reduces the labor cost. The cross sliding device and the chassis walking device in the drill boom are both provided with a brake self-locking device, so that the drilling machine is prevented from sliding down in the drilling process.
Drawings
FIG. 1 is a schematic front view of the top plate of the present invention.
FIG. 2 is a schematic diagram of the high-order punching state structure of the present invention.
Fig. 3 is a structural schematic diagram of the folding and retracting state of the invention.
FIG. 4 is a structural diagram of the low-level punching state according to the present invention.
In the drawings: 1. a walking support slipper; 2. A walking assembly; 3. A scraper machine toothed rail; 4. A chassis assembly; 5. A drilling rig assembly; 6. An operation table; 7. A pump station system; 8. An electrical system; 9. A drill body; 10. A swing assembly; 11. A slide base; 12. A guide rail.
Detailed Description
The movable hydraulic anchoring drill carriage for the coal face mainly comprises a chassis assembly 4, a walking assembly 2, an operating platform 6, a pump station system 7 and a drilling machine assembly 5. Wherein, the walking assembly, the operation platform, the drilling machine assembly and the like are all arranged on the chassis.
The self-moving structure is adopted, and the problem that the drill carriage travels by itself is solved.
The hydraulic anchoring drill carriage walking assembly and the walking principle. The walking assembly consists of a rack driving wheel, a transmission mechanism and a hydraulic motor. The hydraulic motor is arranged in the middle of the chassis assembly, the output shaft of the hydraulic motor is connected with the toothed rail driving wheel, and the toothed rail driving wheel is meshed with the scraper toothed rail 3 on the scraper conveyor. The hydraulic motor adopts a direct-drive mode, and the motor and the chassis assembly are fixed by adopting high-strength bolts. And the scraper machine toothed rail matched with the drill carriage walking assembly 2 is connected to the middle groove by a high-strength pin.
The walking supporting sliding shoes 1 are arranged on two sides of the chassis assembly, are positioned on the conveyor ledge and slide along the conveyor ledge during walking to play a role in supporting the chassis assembly, and are made of high-strength wear-resistant steel plates and easy to replace.
The guide sliding shoes and the plate supporting sliding shoes are arranged on the chassis assembly, the guide sliding shoes are arranged on one side, close to the cable groove, of the drill carriage and are arranged on the five-tooth pitch of the middle groove, and the guide sliding shoes mainly play a role in guiding and supporting the drill carriage during walking. The guide sliding shoe and the 375 coal mining machine share one set, so that the accessories can be conveniently replaced subsequently. The flat plate supporting sliding shoe is arranged on one side of the chassis assembly close to the middle trough shovel plate. Straddling the middle trough side, the utility model mainly plays a supporting role.
The pump station system 7 adopts a conventional ore machine hydraulic station, is a power source of a drilling machine, is arranged on a chassis assembly and consists of an oil tank, a power system and other parts. A motor in the pump station system drives a plunger pump to work through a connecting seat and a coupler, the plunger pump sucks oil from an oil tank and discharges high-pressure oil, and the high-pressure oil is distributed to an operation table assembly after passing through a filter. The operating platform consists of a main control valve and other auxiliary valve groups and is used for controlling the starting and stopping of each actuating mechanism, and the main valve adopts a load sensitive system and can accurately control the flow and the pressure required by each actuating mechanism.
A motor in a pump station system drives a plunger pump to work through a connecting seat and a coupler, the plunger pump sucks oil from an oil tank and discharges high-pressure oil to drive a hydraulic motor, the hydraulic motor drives a rack driving wheel to rotate, so that the rack driving wheel moves along the five-tooth pitch of the scraper conveyor of the working face, and the five-tooth pitch is the rack of the scraper conveyor. And the walking speed is determined according to production requirements. The drilling machine is provided with a brake self-locking device, so that the drilling machine is prevented from slipping in the drilling process.
The invention can also solve the problem of slow drilling speed. The drilling machine assembly mainly comprises a drilling machine main body 9, a sliding seat 11, a guide rail 12, a rotation assembly 10 and the like.
A rotary speed reducer is arranged between the guide rail 12 and the rotary base. The rotary speed reducer is connected with the rotary base through rigid connection, and 180-degree rotation can be achieved between the guide rail and the base. The rotary base is connected with the chassis through a rotary speed reducer, and 90-degree rotation can be realized.
The guide rail 12 is a conventional sliding motion part, and a large-torque motor and a rack are arranged inside the guide rail. The motor rotates to drive the sliding seat 11 to translate along the guide rail, and the moving stroke is 1700 mm. The sliding seat 11 drives the drilling machine main body 9 to move, the sliding seat 11 is connected with the guide rail in a buckling and pressing mode, and a jacking bolt and an oil injection hole are arranged and used for adjusting tensioning and lubrication of the sliding seat respectively. The sliding seat slides on the guide rail, the drilling machine main body 9 is connected with the guide rail, and the middle of the drilling machine main body is provided with a rotation assembly 10, so that the rotation between the drilling machine main body and the sliding seat 11 is realized, and the angle adjustment during the working is convenient. The rotary assembly adopts a conventional worm gear type rotary speed reducer, and has compact structure and large bearing torque.
The drilling machine gyrator is a key part in a drilling machine main body and is connected with the sliding groove mechanism in a dovetail groove mode. An oil cylinder is arranged in the chute mechanism to push the gyrator to feed, and the stroke is 1200 mm. An oil cylinder propelling mechanism is arranged between the chute and the host connecting plate, the propelling stroke is 900mm, and the oil cylinder propelling mechanism moves through the pushing chute of the propelling oil cylinder. Finally realizing the feeding stroke of the bolter at 2100 mm.
The main body of the drilling machine is positioned in the middle of the main machine, is a main body working part of the drilling machine and belongs to a common existing drilling machine unit. The main body of the drilling machine consists of a machine base, an upper sliding base mechanism, a chain mechanism, a motor assembly, an oil cylinder and other accessory parts. The rotary motion and the feed motion of the drill rod and the drill bit are driven by the motor. The feed motion is divided into two sections: one section of the sliding frame is pushed by an oil cylinder parallel to the outer side of the sliding frame to integrally move; the other section is driven by a chain mechanism inside the sliding frame to complete the movement of the chain mechanism by a motor assembly and comes from the oil cylinder. The sliding frame is connected with the main frame through a dovetail plate on the sliding groove mechanism and a sliding frame oil cylinder.
The front side and the rear side of the chassis of the anchoring drill carriage are provided with guide rails, and a drilling machine main body is arranged on the guide rails. This anchor drill carriage has 2 of drill boom quantity, drilling depth: 0-10 m, borehole inclination: 0-90 °, horizontal perforation height: 1.45-3.0 m, 10KN propelling force, 200N/m torque and 400 r/min rotating speed.
The working principle is as follows: as shown in figure 1, the chassis assembly realizes the left-right movement of the main machine along the scraper conveyor through the rotation of the transverse hydraulic motor, and the drilling machine assembly can realize the minimum height of 1.45 meters and the maximum height of 3 meters for side wall drilling. The main body 9 of the drilling machine realizes the angle adjustment of a main machine through a hydraulic oil cylinder, and the drilling position is adjusted, and the drilling angle can be vertical and horizontal and can be drilled at any angle of 0-90 degrees; the auxiliary jacking oil cylinder pushes each device on the upper part of the drilling machine, the main machine is used for jacking a roadway top plate to stabilize, the guide rail feeding oil cylinder drives the guide rail to feed, the two ends of the chain feeding oil cylinder are connected with a chain and a chain wheel to drive a swing mechanism, the swing mechanism reciprocates along the guide rail of the drilling machine body, the drilling machine can be fed and pulled, meanwhile, the effective feeding stroke is 2.3 meters, and the installation and drilling process of 2 meters of drill rods can be met.
Claims (2)
1. A coal face mobile hydraulic anchoring drill carriage comprising: chassis assembly (4), operation panel (6), pump station system (7), rig assembly (5) are constituteed, and operation panel, pump station system, rig assembly are all installed on the chassis assembly, its characterized in that: the middle part of the chassis assembly (4) is also provided with a walking assembly (2), and both sides of the chassis assembly are provided with a drilling machine main body (9) through guide rails (12);
the walking assembly (2) comprises a rack rail driving wheel, a transmission mechanism and a hydraulic motor, the hydraulic motor is arranged in the middle of the chassis assembly, an output shaft of the hydraulic motor is connected with the rack rail driving wheel, the rack rail driving wheel is meshed and connected with a scraper machine rack rail (3) on a scraper machine, walking supporting sliding shoes (1) are arranged on two sides of the chassis assembly, and the walking supporting sliding shoes (1) are arranged on a scraper machine trough wall;
the drilling machine assembly (5) comprises a drilling machine main body (9), a sliding seat (11), a guide rail (12) and a rotary assembly (10), a rotary speed reducer is installed between the guide rail (12) and a rotary base, the rotary base is connected with a chassis assembly (4) through the rotary speed reducer, and the drilling machine main body (9) is connected with the guide rail through the rotary assembly (10).
2. The coal face mobile hydraulic anchoring drill carriage according to claim 1, characterized in that:
the guide rail (12) is a conventional sliding motion part, a large-torque motor and a rack are arranged in the guide rail (12), the sliding seat (11) translates along the guide rail (12), the moving stroke is 1700mm, and the sliding seat (11) is connected with the guide rail (12) in a buckling and pressing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920077216.6U CN210087234U (en) | 2019-01-17 | 2019-01-17 | Movable hydraulic anchoring drill carriage for coal face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920077216.6U CN210087234U (en) | 2019-01-17 | 2019-01-17 | Movable hydraulic anchoring drill carriage for coal face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210087234U true CN210087234U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920077216.6U Expired - Fee Related CN210087234U (en) | 2019-01-17 | 2019-01-17 | Movable hydraulic anchoring drill carriage for coal face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210087234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611026A (en) * | 2019-01-17 | 2019-04-12 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Coal working face mobile hydraulic anchoring drill carriage |
-
2019
- 2019-01-17 CN CN201920077216.6U patent/CN210087234U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611026A (en) * | 2019-01-17 | 2019-04-12 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Coal working face mobile hydraulic anchoring drill carriage |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 |