CN218407289U - Coal seam gas drainage drilling repairing equipment - Google Patents

Abstract

The utility model discloses a coal seam gas drainage drilling repair equipment, restore the head including equipment body and drilling, be provided with a plurality of light on the equipment body and restore the pipe, it is a plurality of threaded connection between the light is restoreed the pipe, one of them light is restoreed pipe and equipment body and drilling and is restoreed first fixed connection, be provided with moving mechanism on the equipment body, moving mechanism includes the first gear and a plurality of second gear of rotating the connection on the equipment body, every the second gear all connects with first gear engagement, it is provided with a plurality of racks, every to slide on the equipment body the rack is all connected with the second gear engagement that corresponds, a plurality of lugs of fixedly connected with on the rack. The utility model discloses a mutually supporting of first gear and second gear can effectively offset the impact force that most equipment during operation received, reduces the impact force that the staff shoulder received to be favorable to that the staff's is healthy.

Description

Coal seam gas drainage drilling repairing equipment

Technical Field

The utility model relates to a colliery gas drainage technical field especially relates to a coal seam gas drainage drilling repair equipment.

Background

Through years of development, the coal mine gas extraction technology and equipment in China make remarkable progress, the related extraction technology and equipment are gradually changed from pure mine safety production into quality improvement and quantity improvement, the coal industry is promoted to realize high-efficiency development and utilization of coal bed gas of associated resources of coal, the coal mine underground gas extraction is still the main mode of development and utilization of coal bed gas in China, and due to the fact that coal beds in China generally have the characteristics of complex geological conditions, high gas content, low air permeability and large ground stress, holes are prone to collapse and block in the drilling construction process, and therefore researchers develop coal bed gas extraction drilling hole repairing equipment.

The patent document 'CN 210134806U' discloses a coal seam gas extraction drilling hole repairing device, which comprises a high-pressure water pump and a handheld repairing tool comprising a high-pressure water handheld spray gun, wherein an inlet of the high-pressure water pump is connected with a water supply pipe, and an outlet pipeline of the high-pressure water pump is connected with an inlet end of the high-pressure water handheld spray gun.

But most of current coal seam gas drainage drilling repair equipment is because the drilling repair in-process, mainly rely on the staff to use the shoulder to support the shoulder and hold in the palm the impact force that offsets equipment during operation and receive, long this past, can cause the damage to staff's shoulder to be unfavorable for that staff's is healthy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the drilling repair equipment is taken out in coal seam gas that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the coal bed gas extraction borehole restoration device comprises a device body and a borehole restoration head, wherein a plurality of light restoration pipes are arranged on the device body and are in threaded connection, and one light restoration pipe is fixedly connected with the device body and the borehole restoration head;

be provided with moving mechanism on the equipment body, moving mechanism includes the first gear and a plurality of second gear of rotation connection on the equipment body, every the second gear all is connected with first gear engagement, it is provided with a plurality of racks, every to slide on the equipment body the rack all is connected with the second gear engagement that corresponds, a plurality of lugs of fixedly connected with on the rack.

Preferably, a barrel is connected to one of the light repair pipes through threads, and a trigger and a stock are fixedly connected to the barrel.

Preferably, the gun barrel is fixedly connected with a shoulder support, the equipment body is provided with a high-pressure water pump, and the gun barrel is connected with the high-pressure water pump through a water supply pipe.

Preferably, a servo motor is fixedly connected to the apparatus body, a central shaft is fixedly connected to one of the second gears, and an output shaft of the servo motor is connected to the central shaft through a conveyor belt.

Preferably, a plurality of chutes are formed in the equipment body, and each rack is connected with the corresponding chute in a sliding manner.

Preferably, every the lug all sets up to rubber material, and is a plurality of the lug is the equidistance setting.

The utility model discloses in, through mutually supporting of first gear and second gear, can effectively offset the impact force that most equipment during operation received, reduce the impact force that the staff shoulder received to be favorable to that the staff's is healthy.

Drawings

Fig. 1 is a schematic front view of the coal seam gas extraction borehole repair device provided by the utility model;

FIG. 2 is a schematic left sectional view of the apparatus body and the lightweight rehabilitation tube;

fig. 3 is a left side sectional view of the first gear and the rack.

In the figure: the device comprises a device body 1, a drilling repairing head 2, a bump 3, a conveyor belt 4, a central shaft 5, a light repairing pipe 6, a gun barrel 7, a trigger 8, a shoulder rest 9, a water supply pipe 10, a high-pressure water pump 11, a gun rest 12, a rack 13, a first gear 14, a servo motor 15 and a second gear 16.

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.

Referring to fig. 1-3, a coal seam gas extraction borehole repair device includes a device body 1 and a borehole repair head 2, the device body 1 is provided with a plurality of light repair pipes 6, the light repair pipes 6 are in threaded connection, one of the light repair pipes 6 is fixedly connected with the device body 1 and the borehole repair head 2, the device body 1 is provided with a moving mechanism, the moving mechanism includes a first gear 14 and a plurality of second gears 16, the first gear 14 and the second gear 16 are rotatably connected with the device body 1, each second gear 16 is engaged with the first gear 14, the device body 1 is slidably provided with a plurality of racks 13, each rack 13 is engaged with the corresponding second gear 16, the racks 13 are fixedly connected with a plurality of projections 3, one of the light repair pipes 6 is connected with a gun barrel 7 through a thread, the gun barrel 7 is fixedly connected with a trigger 8 and a gun stock 12, the gun stock 12 is abutted to a borehole opening, so that the gun barrel 7 can be kept in a vertical state, and the trigger 8 is pulled to start repair work.

Fixedly connected with shoulder rest 9 on barrel 7, be provided with high pressure water pump 11 on equipment body 1, barrel 7 is connected with high pressure water pump 11 through delivery pipe 10, start high pressure water pump 11, water enters into barrel 7 in through delivery pipe 10, the staff supports shoulder rest 9 on the shoulder, equipment body 1 can be better stabilized, fixedly connected with servo motor 15 on equipment body 1, fixedly connected with center pin 5 on one of them second gear 16, servo motor 15's output shaft passes through conveyer belt 4 and center pin 5 is connected, start servo motor 15, under servo motor 15's drive, servo motor 15's output shaft rotates, under conveyer belt 4's cooperation, servo motor 15 rotates and drives center pin 5 synchronous rotation, a plurality of spouts have been seted up on equipment body 1, every rack 13 all with the spout sliding connection that corresponds, the setting of spout, the removal orbit of rack 13 has been restricted, make rack 13 can only move along the direction of spout, every lug 3 all sets up to the rubber material, a plurality of lugs 3 are the setting, the equidistant lug 3 of rubber material, can absorb the part, alleviate staff's impact force.

The utility model discloses in, when needs use this device, the light restoration pipe 6 of corresponding length is connected according to the position that the drilling blockked up, restore first 2 to will drill again and insert in the drilling, treat that drilling restores first 2 and arrive behind the jam department, restart servo motor 15, under servo motor 15's drive, servo motor 15's output shaft rotates, under conveyer belt 4's cooperation, servo motor 15 rotates and drives central axle 5 synchronous rotation, central axle 5 rotates and drives the second gear 16 rotation that corresponds, under first gear 14's cooperation, make all the other second gear 16 synchronous rotations, second gear 16 rotates and drives the rack 13 motion that corresponds, rack 13 is under the limiting displacement of spout, the removal orbit has been restricted, can only be along the directional motion of spout, a plurality of rack 13 are close to the pore wall simultaneously, until a plurality of lugs 3 contact on a plurality of rack 13 and extrude the pore wall, fix equipment body 1.

The high pressure water pump 11 is restarted, water enters the gun barrel 7 through the water supply pipe 10, the gun stock 12 is supported at the drilling hole, the gun barrel 7 can be kept in a vertical state, the trigger 8 is buckled, high pressure water flow enters the drilling repairing head 2 through the multi-section light repairing pipe 6, the drilling repairing head 2 is driven to operate, the blockage part starts to be opened, the plurality of lugs 3 are arranged to be made of rubber materials, and are arranged at a certain inclination angle, when the drilling repairing head 2 vibrates, the drilling repairing head 2 ceaselessly moves up and down, the upward movement time of the drilling repairing head 2 is connected with the lugs 3 to drive the lugs 3 to move, the lugs 3 deform, the impact force generated by vibration of most of the drilling repairing head 2 is absorbed, the burden of the shoulders of workers is relieved, otherwise, when the drilling repairing head 2 moves down, the lugs 3 are arranged at a certain inclination angle, the lugs 3 can smoothly move down together with the drilling repairing head 2 until the blockage part is opened.

Overall, the technical problem is addressed: in the drilling hole repairing process of most of the existing coal bed gas extraction drilling hole repairing equipment, a worker mainly uses shoulders to prop against the shoulder supports 9 to offset the impact force applied to the equipment during working, and the shoulders of the worker can be damaged in the past, so that the body health of the worker is not facilitated; the technical scheme is as follows: a coal bed gas extraction borehole restoration device comprises a device body 1 and a borehole restoration head 2, wherein a plurality of light restoration pipes 6 are arranged on the device body 1, the light restoration pipes 6 are in threaded connection, one light restoration pipe 6 is fixedly connected with the device body 1 and the borehole restoration head 2, a moving mechanism is arranged on the device body 1, the moving mechanism comprises a first gear 14 and a plurality of second gears 16 which are rotatably connected on the device body 1, each second gear 16 is meshed with the first gear 14, a plurality of racks 13 are slidably arranged on the device body 1, each rack 13 is meshed with the corresponding second gear 16, and a plurality of convex blocks 3 are fixedly connected on each rack 13;

the implementation process of the technical scheme is as follows: the servo motor 15 is started, an output shaft of the servo motor 15 rotates under the driving of the servo motor 15, the servo motor 15 rotates to drive the central shaft 5 to synchronously rotate under the matching of the conveyor belt 4, the central shaft 5 rotates to drive the corresponding second gear 16 to rotate, the rest second gears 16 synchronously rotate under the matching of the first gear 14, the second gears 16 rotate to drive the corresponding racks 13 to move, the racks 13 limit the moving track under the limiting action of the sliding chute, the racks 13 can only move along the direction of the sliding chute, the racks 13 simultaneously approach the hole wall until the bumps 3 on the racks 13 contact and extrude the hole wall, and the equipment body 1 is fixed; therefore, the technical problem can be solved certainly, and the technical effects are as follows: through the mutual cooperation of first gear 14 and second gear 16, can effectively offset the impact force that most equipment received when working, reduce the impact force that the staff's shoulder received to be favorable to staff's healthy.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The coal bed gas extraction borehole restoration device comprises a device body (1) and a borehole restoration head (2), and is characterized in that a plurality of light restoration pipes (6) are arranged on the device body (1), the light restoration pipes (6) are in threaded connection, and one light restoration pipe (6) is fixedly connected with the device body (1) and the borehole restoration head (2);

be provided with moving mechanism on equipment body (1), moving mechanism includes first gear (14) and a plurality of second gear (16) of rotation connection on equipment body (1), every second gear (16) all are connected with first gear (14) meshing, it is provided with a plurality of racks (13) to slide on equipment body (1), every rack (13) all are connected with corresponding second gear (16) meshing, a plurality of lugs (3) of fixedly connected with on rack (13).

2. The coal seam gas extraction borehole restoration device according to claim 1, wherein a barrel (7) is in threaded connection with one of the light restoration pipes (6), and a trigger (8) and a stock (12) are fixedly connected to the barrel (7).

3. The coal seam gas extraction borehole restoration device according to claim 2, characterized in that a shoulder rest (9) is fixedly connected to the gun barrel (7), a high-pressure water pump (11) is arranged on the device body (1), and the gun barrel (7) is connected with the high-pressure water pump (11) through a water supply pipe (10).

4. The coal seam gas extraction borehole restoration device according to claim 1, characterized in that a servo motor (15) is fixedly connected to the device body (1), a central shaft (5) is fixedly connected to one of the second gears (16), and an output shaft of the servo motor (15) is connected to the central shaft (5) through a conveyor belt (4).

5. The coal seam gas extraction borehole restoration device according to claim 1, wherein a plurality of sliding grooves are formed in the device body (1), and each rack (13) is slidably connected with the corresponding sliding groove.

6. The coal seam gas extraction borehole restoration device according to claim 1, wherein each of the projections (3) is made of rubber, and the projections (3) are arranged at equal intervals.

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