CN214062950U

CN214062950U - Hydraulic punching device for underground coal mine

Info

Publication number: CN214062950U
Application number: CN202120036954.3U
Authority: CN
Inventors: 杨卫东; 王建中; 邢慧春
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-08-27
Anticipated expiration: 2031-01-07

Abstract

The utility model belongs to the technical field of hydraulic punching, and a hydraulic punching device for colliery in pit is disclosed, which comprises a carriage body, the right side fixed mounting at automobile body top has the base, the middle part fixed mounting of base has the pneumatic cylinder, the flexible fixed mounting of pneumatic cylinder has the box of bearing, the equal fixed mounting in both sides has the supporting shoe around bearing the box is inside, the left side fixed mounting at automobile body top has the carrier block, the drilling subassembly has been cup jointed in the inside activity of carrier block. The utility model discloses a be provided with two drilling subassemblies and make the work load of drilling subassembly at every turn double before comparing, have the efficient advantage that punches a hole, realized keeping the clean and tidy function in operation ground, reducible sewage crossing current through being provided with receiving device.

Description

Hydraulic punching device for underground coal mine

Technical Field

The utility model belongs to the technical field of hydraulic punching, specifically a hydraulic punching device for colliery in pit.

Background

At present, hydraulic undercutting is still a mode for rapidly tunneling a coal mine underground roadway in China, high-pressure water is used for scouring a coal body in front of a working face to form a groove hole with a certain depth and a certain sectional area, so that the purposes of releasing gas, releasing pressure and preventing outburst are achieved, and therefore a hydraulic drilling assembly for an underground coal mine is needed. Practice proves that the deeper the depth of the hydraulic cut hole is, the better the gas discharge effect at the deep part of the hydraulic cut hole is. The existing hydraulic drilling assembly for the underground coal mine is only provided with one drill rod, only one hole can be drilled in each operation, the whole process is extremely low in efficiency, in addition, the existing hydraulic drilling assembly for the underground coal mine can cause a large amount of coal slag and water to flow out of a drilling hole and be accumulated on an operation site when in operation, so that the site water accumulation and the wet and slippery effect are caused, and the subsequent work of the drilling assembly is influenced by not only occupying the land.

SUMMERY OF THE UTILITY MODEL

The utility model aims at above problem, the utility model provides a hydraulic punching device for colliery in pit has the efficient and clean and tidy advantage in maintenance operation ground that punches a hole.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic punching device for an underground coal mine comprises a vehicle body, wherein a base is fixedly arranged on the right side of the top of the vehicle body, a hydraulic cylinder is fixedly arranged in the middle of the base, a bearing box is fixedly arranged at the telescopic end of the hydraulic cylinder, a bearing block is fixedly arranged on the left side of the top of the vehicle body, a drilling assembly is sleeved in the bearing block in an internal movable manner, the right end of the drilling assembly extends into the bearing box, a sealing cavity is fixedly arranged in the bearing box, the right end of the drilling assembly extends into the sealing cavity, a motor is fixedly arranged in the middle of the inner cavity of the bearing box, an output shaft of the motor is in transmission connection with the two drilling assemblies through two belts respectively, a water tank is fixedly arranged on the rear side of the top of the bearing box, a booster pump is fixedly arranged on the top of the bearing box, and a water inlet pipe of the booster pump is communicated with the water tank, the fixed intercommunication of outlet pipe of booster pump has communicating pipe, the other end of communicating pipe runs through to the inside and two seal chamber intercommunications that bear the weight of the box, the left side fixed mounting who bears the weight of the piece has receiving device.

As a preferred technical scheme of the utility model, the supporting device is including holding the post, the inside activity that holds the post has cup jointed flexible post, the other end fixedly connected with of flexible post holds the case, the surface activity of flexible post has cup jointed fixed spring, fixed spring's both ends respectively with accept the case and hold post fixed connection, one side of holding the case is equipped with the release mouth, the front side of accepting the roof portion has been seted up and has been taken out the groove, the inside activity joint of taking out the groove has the baffle, the left side fixed mounting of holding the case has hug closely the sword, the right side fixed mounting of holding the case has the stationary mast, the other end of stationary mast runs through the carrier block and cup joints with the carrier block activity, the right-hand member and the carrier block fixed connection that hold the post.

As a preferred technical scheme of the utility model, the drilling subassembly includes the drilling rod, the chamber that leads to water has been seted up to the inside of drilling rod, the fixed intercommunication in left end of drilling rod has the shower nozzle, three nozzle has been seted up to the surface of shower nozzle, the left end fixed mounting of shower nozzle has the drill bit, the drilling rod cup joints through sealed axle and sealed chamber activity.

As a preferred technical scheme of the utility model, fixed mounting has the guide post between base and the carrier block, the slider has been cup jointed in the surface activity of guide post, the spout has been seted up at the top of automobile body, the bottom and the spout activity joint of slider.

As a preferred technical scheme of the utility model, it is two to hold post quantity hold the post and be equidistant range and fix the left side at the carrier block.

As an optimized technical scheme of the utility model, the quantity of guide post is two, two the mode that the guide post was arranged from beginning to end is fixed between base and carrier block.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a be provided with two drilling subassemblies, the supporting shoe, including a motor, an end cap, a controller, and a cover plate, belt cooperation communicating pipe, sealed chamber, water tank and booster pump, make drilling subassembly's work efficiency multiply, make drilling subassembly doubling before the work load at every turn relatively through being provided with two drilling subassemblies, it is rotatory when having realized two drilling subassemblies through motor and belt, control and conveniently dig the coal face through pneumatic cylinder and bearing box about having realized drilling subassembly, this application is for prior art, the problem that the single that traditional device leads to because of only one drilling subassembly punching operation efficiency is not high has the efficient advantage of punching a hole.

2. The utility model discloses a be provided with receiving device and realized keeping the clean and tidy function in operation ground, through holding post and flexible post drive the bearing box to the coal face remove and with the contact of coal face, accept cinder and water that produces because of the drilling subassembly punches a hole through the bearing box, realized through the cooperation of flexible post and fixed spring that the bearing box contacts with the coal all the time, this application has the clean and tidy advantage of maintenance operation ground for prior art.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a front sectional view of the structure of the present invention;

fig. 4 is an exploded view of the drilling assembly of the present invention;

fig. 5 is an exploded view of the supporting device of the present invention.

In the figure: 1. a vehicle body; 2. a base; 3. a hydraulic cylinder; 4. a carrying box; 5. a support block; 6. a bearing block; 7. a drilling assembly; 701. a drill stem; 702. a water through cavity; 703. a spray head; 704. a nozzle; 705. a drill bit; 8. a receiving device; 801. a receiving post; 802. a telescopic column; 803. fixing the spring; 804. a receiving box; 805. a release port; 806. drawing the groove; 807. a baffle plate; 808. clinging to the knife; 809. a stabilization post; 9. a motor; 10. a belt; 11. a communicating pipe; 12. a chute; 13. a guide post; 14. a slider; 15. sealing the cavity; 16. a water tank; 17. a booster pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in figures 1 to 5, the utility model provides a hydraulic punching device for underground coal mine, which comprises a vehicle body 1, a base 2 is fixedly arranged on the right side of the top of the vehicle body 1, a hydraulic cylinder 3 (driven by external power transmitted by cable) is fixedly arranged in the middle of the base 2, a bearing box 4 is fixedly arranged on the telescopic end of the hydraulic cylinder 3, a bearing block 6 is fixedly arranged on the left side of the top of the vehicle body 1, a drilling component 7 is sleeved in the bearing block 6, the right end of the drilling component 7 extends into the bearing box 4, a sealing cavity 15 is fixedly arranged in the bearing box 4, the right end of the drilling component 7 extends into the sealing cavity 15, a motor 9 (powered by an external power supply through cable) is fixedly arranged in the middle of the inner cavity of the bearing box 4, the surface of motor 9 output shaft has cup jointed two belts 10 through the axle sleeve activity, the output shaft of motor 9 passes through two belts 10 and is connected with two drilling subassembly 7 transmissions respectively, bear the top rear side fixed mounting of box 4 and have water tank 16, water tank 16 accessible pipeline (not shown in the figure) is by outside delivery water yield, the top fixed mounting who bears box 4 has booster pump 17, the inlet tube and the water tank 16 intercommunication of booster pump 17, the fixed intercommunication of outlet pipe of booster pump 17 has communicating pipe 11, the other end of communicating pipe 11 runs through to the inside of bearing box 4 and is divided into two and communicates with two sealed chambeies 15 respectively, thereby carry drilling subassembly 7 with water in, realize hydraulic punching, bearing block 6's left side fixed mounting has receiving device 8, can be used to accept cinder and the water that punch a hole and produce.

Wherein, the receiving device 8 comprises a receiving column 801, a telescopic column 802 is movably sleeved inside the receiving column 801, the other end of the telescopic column 802 is fixedly connected with a receiving box 804, a fixed spring 803 is movably sleeved on the outer surface of the telescopic column 802, two ends of the fixed spring 803 are respectively fixedly connected with the receiving box 804 and the receiving column 801, one side of the receiving box 804 is provided with a release port 805 for transferring received coal cinder and water, the front side of the top of the receiving box 804 is provided with a drawing groove 806, the inside of the drawing groove 806 is movably clamped with a baffle 807 for facilitating pulling and opening and closing, the left side of the receiving box 804 is fixedly provided with a hugging knife 808, the right side of the receiving box 804 is fixedly provided with a stabilizing column 809, the other end of the stabilizing column 809 penetrates through the bearing block 6 and is movably sleeved with the bearing block 6, the right end of the receiving column 801 is fixedly connected with the bearing block 6, the inside of the receiving box 804 is provided with a cavity for receiving coal cinder and water by extruding and contacting with the coal body surface, effectively avoiding the problems of wet and slippery operation road surface and inconvenient movement of the device caused by the accumulation of coal slag.

Wherein, drilling subassembly 7 includes drilling rod 701, and logical water cavity 702 has been seted up to the inside of drilling rod 701, and the fixed intercommunication in left end of drilling rod 701 has shower nozzle 703, and three nozzle 704 has been seted up to the surface of shower nozzle 703, and the left end fixed mounting of shower nozzle 703 has drill bit 705, and drilling rod 701 right-hand member cup joints through sealed axle and sealed chamber 15 activity to realize rotating the in-process inside can lead to water, the inside cavity of drilling rod 701 and right-hand member and sealed chamber 15 intercommunication can intake, and water gets into in drilling rod 701 and finally jets out through nozzle 704, and high-speed rotation is advanced and drive drill bit 705 cuts the coal face through the drive of motor 9 and belt 10, and whole process is high-efficient orderly.

Wherein, fixed mounting has guide post 13 between base 2 and the carrier block 6, slider 14 has been cup jointed in the surface activity of guide post 13, spout 12 has been seted up at the top of automobile body 1, slider 14's bottom and spout 12 activity joint, the flexible end of pneumatic cylinder 3 accepts alone and bears box 4 and seems to be unstable inadequately, consequently, the activity joint of seting up spout 12 cooperation and slider 14 makes and bear box 4 more stable at the removal in-process, guide post 13 then provides accurate direction function for the removal that bears box 4, bear the inside fixed mounting of box 4 and have supporting shoe 5 in addition, supporting shoe 5 cup joints on drill pipe 701 is outer, be connected with drill pipe 701 through the bearing and start the supporting role.

Wherein, it is two to hold post 801 quantity, and two are held post 801 and are equidistant range and fix in the left side of carrier block 6, hold post 801 and constitute solitary connection buffer system with flexible post 802 and fixed spring 803, as shown in fig. 5, the quantity of flexible post 802 also is two, and this makes the bearing box 804 more stable at certain in-process, difficult rocking.

The number of the guide columns 13 is two, the two guide columns 13 are fixed between the base 2 and the bearing block 6 in a front-back arrangement mode, the guide columns 13 provide a guiding and stabilizing function for the movement of the bearing box 4, and the bearing box 4 is ensured not to shake in the moving process by matching with the sliding block 14, so that the efficient operation of the drilling assembly 7 is favorably maintained.

The utility model discloses a theory of operation and use flow:

when the device is used, the vehicle body 1 is started and the vehicle body 1 is controlled to move towards the coal body surface, at the moment, the bearing box 804 is contacted with the coal body surface and compresses the fixed spring 803, so that the telescopic column 802 enters the inside of the accommodating column 801, and the vehicle body 1 is stopped; then the motor 9 is started, two drilling assemblies 7 rotate simultaneously under the drive of the belt 10, then the hydraulic cylinder 3 is started to move left, the drilling assemblies 7 drill into the coal face (referring to the wall face formed by coal in underground coal mine, the name is quoted below) along with the movement of the telescopic end of the hydraulic cylinder 3, the coal slag produced by cutting by the drill 705 flows out along the cut hole and just falls into the receiving box 804, when the drilling assemblies 7 reach the limit drilling depth, the hydraulic cylinder 3 is stopped, the booster pump 17 is started, the booster pump in the booster pump 17 is filled into the sealing cavity 15 through the communicating pipe 11 and is filled into the water through cavity 702 and is finally sprayed out by the nozzle 704, at this time, the hydraulic cylinder 3 is started and the hydraulic cylinder 3 is controlled to move reversely, so that the drilling assemblies 7 leave the cut holes, along with the movement of the drilling assemblies 7, the nozzle 704 sprays high-pressure water to the periphery inside the cut holes to enable the coal layer to be broken and reamed, in the process, the fixed spring 803 keeps leftwards pressing the bearing box 804 to enable the bearing box 804 to be always tightly attached to the coal body surface, a large amount of coal slag is generated due to the fact that the coal body surface is broken down, and water sprayed out of the nozzle 704 enters the bearing box 804 to be stored without wetting the operation road surface; certainly, when the hole is initially drilled again, the booster pump 17 can be started to drill the hole and simultaneously ream the hole; after reaming is finished, the vehicle body 1 can be retreated to the original position and then stopped, so that the punching process is finished;

the staff only need to go up and pull up baffle 807 and can release cinder and the water of depositing in the holding box 804, can transport with other containers.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hydraulic punching device for underground coal mine, which comprises a vehicle body (1), and is characterized in that: the drilling machine is characterized in that a base (2) is fixedly mounted on the right side of the top of the vehicle body (1), a hydraulic cylinder (3) is fixedly mounted in the middle of the base (2), a bearing box (4) is fixedly mounted at the telescopic end of the hydraulic cylinder (3), a bearing block (6) is fixedly mounted on the left side of the top of the vehicle body (1), a drilling assembly (7) is sleeved in the bearing block (6) in an internal movable manner, the right end of the drilling assembly (7) extends into the bearing box (4), a sealing cavity (15) is fixedly mounted in the bearing box (4), the right end of the drilling assembly (7) extends into the sealing cavity (15), a motor (9) is fixedly mounted in the middle of the inner cavity of the bearing box (4), an output shaft of the motor (9) is in transmission connection with the two drilling assemblies (7) through two belts (10), a water tank (16) is fixedly mounted on the rear side of the top of the bearing box (4), bear the top fixed mounting of box (4) have booster pump (17), the inlet tube and water tank (16) the intercommunication of booster pump (17), the outlet pipe intercommunication of booster pump (17) has communicating pipe (11), the other end of communicating pipe (11) runs through to the inside of bearing box (4) and communicates with sealed chamber (15), the left side fixed mounting of carrier block (6) has receiving device (8).

2. A hydraulic punch apparatus for a downhole coal mine according to claim 1 wherein: the bearing device (8) comprises a bearing column (801), a telescopic column (802) is sleeved in the inner part of the bearing column (801), a bearing box (804) is fixedly connected to the other end of the telescopic column (802), a fixed spring (803) is sleeved on the outer surface of the telescopic column (802), two ends of the fixed spring (803) are respectively fixedly connected with the bearing box (804) and the bearing column (801), a release port (805) is arranged on one side of the bearing box (804), a drawing groove (806) is arranged on the front side of the top of the bearing box (804), a baffle (806) is clamped in the inner part of the drawing groove (806) in a movable manner, a hugging knife (808) is fixedly mounted on the left side of the bearing box (804), a stabilizing column (809) is fixedly mounted on the right side of the bearing box (804), and the other end of the stabilizing column (809) penetrates through the bearing block (6) and is movably sleeved with the bearing block (6), the right end of the accommodating column (801) is fixedly connected with the bearing block (6).

3. A hydraulic punch apparatus for a downhole coal mine according to claim 1 wherein: the drilling assembly (7) comprises a drill rod (701), a water through cavity (702) is formed in the drill rod (701), a spray head (703) is fixedly communicated with the left end of the drill rod (701), three nozzles (704) are formed in the outer surface of the spray head (703), a drill bit (705) is fixedly installed at the left end of the spray head (703), and the drill rod (701) is movably sleeved with a sealing cavity (15) through a sealing shaft.

4. A hydraulic punch apparatus for a downhole coal mine according to claim 1 wherein: fixed mounting has guide post (13) between base (2) and carrier block (6), slider (14) have been cup jointed in the surface activity of guide post (13), spout (12) have been seted up at the top of automobile body (1), the bottom and the spout (12) activity joint of slider (14).

5. A hydraulic punch apparatus for a downhole coal mine according to claim 2 wherein: the number of the accommodating columns (801) is two, and the two accommodating columns (801) are arranged and fixed on the left side of the bearing block (6) at equal intervals.

6. A hydraulic punch apparatus for a downhole coal mine according to claim 4 wherein: the number of the guide columns (13) is two, and the two guide columns (13) are fixed between the base (2) and the bearing block (6) in a front-back arrangement mode.