CN219197388U

CN219197388U - Coal seam gas extraction device

Info

Publication number: CN219197388U
Application number: CN202320622816.2U
Authority: CN
Inventors: 陈亮; 陈强; 范文堂
Original assignee: Sichuan Dongxinsheng Industrial Co ltd
Current assignee: Sichuan Dongxinsheng Industrial Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-06-16
Anticipated expiration: 2033-03-27

Abstract

The utility model belongs to the field of extraction equipment, in particular to a coal seam gas extraction device, which comprises an extraction pipe, wherein a plurality of arc grooves are formed in the outer side of the extraction pipe, an arc clamping plate is slidably installed in each arc groove, an anti-slip pad is fixedly installed on one side of each arc clamping plate, a push rod is fixedly installed on the other side of each arc clamping plate, the push rod extends into the extraction pipe, an annular plate is slidably installed in the extraction pipe, a limiting mechanism is arranged between the annular plate and the extraction pipe, a plurality of hinge rods are hinged to the top of the annular plate at equal intervals, the hinge rods are in one-to-one correspondence with the push rods, the top ends of the hinge rods are hinged to the corresponding push rods, and connecting rods are fixedly installed on the inner walls of the two sides of the annular plate. The utility model has reasonable design, and the extraction holes are extruded by the plurality of arc clamping plates, so that the aim of stability of the placement of the extraction pipe can be fulfilled, and the stability of coal seam gas extraction can be improved.

Description

Coal seam gas extraction device

Technical Field

The utility model relates to the technical field of extraction equipment, in particular to a coal seam gas extraction device.

Background

Coal mine gas is one of the main disasters threatening the safe production of coal. On one hand, the gas of the extraction mining well can ensure the safety operation of miners, on the other hand, the coal bed gas (coal mine gas) is used as clean energy, and is one way for reducing the natural gas inlet share of China, and furthermore, the core component CH4 of the coal bed gas (coal mine gas) is a main component causing the greenhouse effect.

When the extraction of current gas extraction, arrange the extraction hole in undisturbed coal seam, extract the gas through installation extraction pipe, but insert the extraction hole between the extraction pipe, lack fixed establishment on the extraction pipe for the extraction pipe appears rocking easily and rubs with the extraction hole, influences gas extraction stability, and has the potential safety hazard, therefore we propose a coal seam gas extraction device and be used for solving above-mentioned problem.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a coal seam gas extraction device.

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

the utility model provides a coal seam gas drainage device, includes the drainage pipe, a plurality of arc wall have been seted up to the outside of drainage pipe, slidable mounting has the arc cardboard in the arc wall, and one side fixed mounting of arc cardboard has the slipmat, and the opposite side fixed mounting of arc cardboard has the push rod, and the push rod extends to in the drainage pipe;

the annular plate is slidably mounted in the extraction pipe, a limiting mechanism is arranged between the annular plate and the extraction pipe, a plurality of hinge rods are hinged to the top of the annular plate at equal intervals, the hinge rods are arranged in one-to-one correspondence with the push rods, and the tops of the hinge rods are hinged to the corresponding push rods.

Preferably, connecting rods are fixedly arranged on the inner walls of the two sides of the annular plate, and the same vertical rod is fixedly arranged on the connecting rods.

Preferably, the same connecting seat is fixedly arranged on the inner walls of the two sides of the extraction pipe, and a pulling mechanism is arranged between the connecting seat and the vertical rod.

Preferably, the pulling mechanism comprises a threaded hole, a threaded rod, a rotating sleeve and a handle, wherein the threaded hole is formed in the connecting seat, the threaded rod is installed in the threaded hole in a threaded mode, the rotating sleeve is fixedly installed at the top end of the threaded rod, the rotating sleeve is rotatably sleeved on the vertical rod, and the handle is fixedly installed at the top end of the threaded rod.

Preferably, an annular groove is formed in the inner wall of the rotating sleeve, an annular seat is fixedly arranged on the outer side of the vertical rod, and the annular seat is rotationally connected with the annular groove.

Preferably, the limiting mechanism comprises a limiting groove and a limiting seat, the limiting groove is formed in the inner wall of the rotary extraction pipe, the limiting seat is fixedly mounted on the annular plate, and the limiting seat is in sliding connection with the corresponding limiting groove.

Preferably, a sealing groove is formed in the outer side of the extraction pipe, and a sealing ring is fixedly installed in the sealing groove.

Preferably, a rectangular hole is formed in the inner wall of one side of the arc-shaped groove, and the push rod is in sliding connection with the corresponding rectangular hole.

The utility model has the beneficial effects that:

1. when coal seam gas is extracted, the extraction pipe is inserted into the extraction hole, and the extraction pipe can be sealed through the sealing ring, so that gas leakage can be reduced;

2. through rotating the handle, the handle can drive the threaded rod and rotate, under the effect of screw hole, can realize that the threaded rod rotates on one side with rotating the cover and remove, rotates the cover and can drive montant upward movement, and the montant can drive connecting rod and annular plate upward movement, and the annular plate can promote the push rod through articulated pole and remove, and the push rod can drive arc cardboard and protection pad and remove, and the arc cardboard can take out the hole and extrude, can realize taking out the stability purpose that the pipe was placed to can improve the stability of coal seam gas drainage.

Drawings

Fig. 1 is a schematic perspective view of a coal seam gas extraction device according to the present utility model;

fig. 2 is a schematic diagram of a front view structure of a coal seam gas extraction device according to the present utility model;

FIG. 3 is a schematic diagram of a portion A of a coal-bed gas extraction device according to the present utility model;

fig. 4 is a schematic diagram of a B part structure of a coal seam gas extraction device according to the present utility model.

In the figure: 1. a drainage pipe; 2. a seal ring; 3. an arc-shaped groove; 4. an arc-shaped clamping plate; 5. an anti-slip pad; 6. a push rod; 7. an annular plate; 8. a hinge rod; 9. a limit groove; 10. a limit seat; 11. a connecting rod; 12. a connecting seat; 13. a threaded hole; 14. a threaded rod; 15. a rotating sleeve; 16. a handle; 17. and a vertical rod.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present, the term "disposed" indicating a manner of presence and may be connected, mounted, fixedly connected, operatively connected, or the like. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1-3, a coal seam gas drainage device, including taking out the production pipe 1, more specifically, the seal groove has been seted up in taking out the outside of production pipe 1, sealing washer 2 has been fixedly installed in the seal groove, it is intraductal to insert taking out production pipe 1, can seal taking out production pipe 1 through sealing washer 2, thereby can reduce the leakage of gas, a plurality of arc grooves 3 have been seted up in taking out the outside of production pipe 1, sliding mounting has arc cardboard 4 in arc groove 3, one side fixed mounting of arc cardboard 4 has slipmat 5, opposite side fixed mounting of arc cardboard 4 has push rod 6, more specifically, offer the rectangular hole on one side inner wall of arc groove 3, and push rod 6 and the rectangular hole sliding connection who corresponds, push rod 6 extends to taking out production pipe 1, take out production pipe 1 sliding mounting has annular plate 7, and be equipped with stop gear between annular plate 7 and the taking out production pipe 1, more specifically, stop gear includes stop slot 9 and stop seat 10, stop seat 10 fixed mounting is on the inner wall that sets up rotation takes out production pipe 1, and stop seat 10 is on annular plate 7, and stop seat 10 and corresponding 9 and 6 and 8 are through the

annular plate

7 and 8 are realized that the annular rod and 8 are articulated rod 6 are realized to the annular rod through the

annular plate

6 and 8 and the articulated rod that the annular rod is equipped with the annular rod is 6.

Example two

Referring to fig. 3-4, the difference between the present embodiment and the first embodiment is that the connecting rods 11 are fixedly installed on the inner walls of the two sides of the annular plate 7, the same vertical rod 17 is fixedly installed on the plurality of connecting rods 11, the vertical rods 17 can drive the plurality of annular plates 7 to synchronously move through being provided with the vertical rods 17, the same connecting seat 12 is fixedly installed on the inner walls of the two sides of the extraction pipe 1, and a pulling mechanism is arranged between the connecting seat 12 and the vertical rods 17.

The pulling mechanism comprises a threaded hole 13, a threaded rod 14, a rotating sleeve 15 and a handle 16, wherein the threaded hole 13 is formed in a connecting seat 12, the threaded rod 14 is installed in the threaded hole 13 in a threaded manner, the rotating sleeve 15 is fixedly installed at the top end of the threaded rod 14 and is rotatably sleeved on a vertical rod 17, the handle 16 is fixedly installed at the top end of the threaded rod 14, the pulling mechanism is arranged, the vertical rod 17 can be driven to move by the movement of the rotating sleeve 15, more particularly, an annular groove is formed in the inner wall of the rotating sleeve 15, an annular seat is fixedly installed on the outer side of the vertical rod 17 and is rotatably connected with the annular groove, and the rotating sleeve 15 and the vertical rod 17 can be rotatably connected through the annular seat and the annular groove.

According to the utility model, when coal seam gas is extracted, the extraction pipe 1 is inserted into an extraction hole, the extraction pipe 1 can be sealed through the sealing ring 2, so that gas leakage can be reduced, the handle 16 can drive the threaded rod 14 to rotate through rotating the handle 16, the threaded rod 14 and the rotating sleeve 15 can rotate and move simultaneously under the action of the threaded hole 13, the rotating sleeve 15 can drive the vertical rod 17 to move upwards, the vertical rod 17 can drive the connecting rod 11 and the annular plate 7 to move upwards, the annular plate 7 can push the push rod 6 to move through the hinged rod 8, the push rod 6 can drive the arc clamping plate 4 and the protection pad to move, the arc clamping plate 4 can extrude the extraction hole, the purpose of placing the extraction pipe 1 can be realized, and thus the stability of coal seam gas extraction can be improved.

The coal seam gas extraction device provided by the utility model is described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The coal seam gas extraction device is characterized by comprising an extraction pipe, wherein a plurality of arc-shaped grooves are formed in the outer side of the extraction pipe, an arc-shaped clamping plate is slidably installed in each arc-shaped groove, an anti-slip pad is fixedly installed on one side of each arc-shaped clamping plate, a push rod is fixedly installed on the other side of each arc-shaped clamping plate, and the push rods extend into the extraction pipe;

the utility model discloses a telescopic device for a hydraulic jack, including taking out the pipe, take out the pipe and slide and install the annular board, just be equipped with stop gear between annular board and the taking out the pipe, the top of annular board is annular equidistant articulated a plurality of articulated poles, and a plurality of articulated pole and a plurality of push rod one-to-one setting, the top of articulated pole articulates on the push rod that corresponds.

2. The coal seam gas extraction device of claim 1, wherein connecting rods are fixedly mounted on inner walls of two sides of the annular plate, and a plurality of connecting rods are fixedly mounted with a same vertical rod.

3. The coal seam gas extraction device according to claim 1, wherein the same connecting seat is fixedly arranged on the inner walls of the two sides of the extraction pipe, and a pulling mechanism is arranged between the connecting seat and the vertical rod.

4. The coal seam gas drainage device according to claim 3, wherein the pulling mechanism comprises a threaded hole, a threaded rod, a rotating sleeve and a handle, the threaded hole is formed in the connecting seat, the threaded rod is installed in the threaded hole in a threaded mode, the rotating sleeve is fixedly installed at the top end of the threaded rod, the rotating sleeve is rotatably arranged on the vertical rod in a sleeved mode, and the handle is fixedly installed at the top end of the threaded rod.

5. The coal seam gas extraction device of claim 4, wherein an annular groove is formed in the inner wall of the rotating sleeve, an annular seat is fixedly arranged on the outer side of the vertical rod, and the annular seat is rotationally connected with the annular groove.

6. The coal seam gas extraction device of claim 1, wherein the limiting mechanism comprises a limiting groove and a limiting seat, the limiting groove is formed in the inner wall of the rotary extraction pipe, the limiting seat is fixedly mounted on the annular plate, and the limiting seat is in sliding connection with the corresponding limiting groove.

7. The coal seam gas extraction device according to claim 1, wherein a sealing groove is formed in the outer side of the extraction pipe, and a sealing ring is fixedly installed in the sealing groove.

8. The coal seam gas extraction device of claim 1, wherein a rectangular hole is formed in an inner wall of one side of the arc-shaped groove, and the push rod is slidably connected with the corresponding rectangular hole.