Coal mine gas extraction hole sealing device

Abstract

The utility model relates to the technical field of coal mine gas extraction and hole sealing, and discloses a coal mine gas extraction and hole sealing device which comprises a fixing plate, a motor fixedly connected to the bottom of the fixing plate, a first gear fixedly connected to an output shaft of the motor after penetrating through the fixing plate, a second gear meshed with one side of the first gear, and a connecting rod fixedly connected to the bottom of the second gear. One end of the connecting rod penetrates through the fixing plate to be fixedly connected with a limiting block, a first sliding groove is formed in the fixing plate, a connecting plate is slidably connected into the first sliding groove, a second sliding groove is formed in the second gear, a sliding rod is slidably connected into the second sliding groove, the bottom of the sliding rod is fixedly connected to the top of the connecting plate, and a supporting plate is fixedly connected to one end of the connecting plate. Compared with the prior art, the hole sealing device has the advantages that the hole sealing device can be firmly supported, displacement and shaking of the hole sealing device are reduced, and therefore stable work of the hole sealing device is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine gas drainage hole sealing, in particular to a coal mine gas drainage hole sealing device. Background Technique

[0002] Coal mine gas drainage hole sealing refers to a key technical operation of sealing boreholes during the process of coal mine gas drainage. The main purpose of hole sealing is to ensure the sealing performance of the borehole, thereby effectively preventing gas from leaking from the borehole and ensuring the efficiency and safety of gas drainage. Existing hole sealing devices may be affected by various factors such as formation pressure and vibration, resulting in displacement or shaking of the device and unable to ensure stable operation. Content of the Utility Model

[0003] The purpose of the utility model is to solve the disadvantages existing in the prior art, and a coal mine gas drainage hole sealing device is proposed.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme: a coal mine gas drainage hole sealing device, including a fixing plate, a motor is fixedly connected to the bottom of the fixing plate, the output shaft of the motor passes through the fixing plate and is fixedly connected to a first gear, a second gear is meshed and connected to one side of the first gear, a connecting rod is fixedly connected to the bottom of the second gear, one end of the connecting rod passes through the fixing plate and is fixedly connected to a limiting block, a first sliding groove is opened inside the fixing plate, a connecting plate is slidably connected inside the first sliding groove, a second sliding groove is opened inside the second gear, a sliding rod is slidably connected inside the second sliding groove, the bottom of the sliding rod is fixedly connected to the top of the connecting plate, and one end of the connecting plate is fixedly connected to a support plate.

[0005] As a further description of the above technical scheme:

[0006] A shock absorption damper is fixedly connected to the outer wall of the support plate, one end of the shock absorption damper is fixedly connected to a buffer plate, and multiple groups of shock absorption dampers are provided.

[0007] As a further description of the above technical scheme:

[0008] Support rods are fixedly connected to the bottom of the fixing plate, a hole sealing pipe is fixedly connected to the bottom of the support rods, and multiple groups of support rods are provided.

[0009] As a further description of the above technical scheme:

[0010] A discharge pipe is fixedly connected to the top of the hole sealing pipe, and the discharge pipe is located at one end of the top of the hole sealing pipe.

[0011] As a further description of the above technical scheme:

[0012] A through groove is provided inside the fixed plate, and a discharge pipe is slidably connected inside the through groove. One end of the discharge pipe passes through the through groove, and a sealing cover is threadedly connected to the outside of one end of the discharge pipe.

[0013] As a further description of the above technical solution:

[0014] A sealing ring is fixedly connected to the inner wall of the sealing cover, and the sealing ring is made of rubber material.

[0015] As a further description of the above technical solution:

[0016] A handle is fixedly connected to the top of the sealing cover.

[0017] The utility model has the following beneficial effects:

[0018] In the utility model, when the motor is started, the motor drives the support plate to move outward, and the support plate drives the buffer plate to move outward through the shock damping device, which can firmly support the hole sealing device, reduce the displacement and shaking of the hole sealing device, and thus ensure its stable operation. Description of the Drawings

[0019] Figure 1 It is a schematic diagram of the overall structure of a coal mine gas drainage hole sealing device proposed by the utility model;

[0020] Figure 2 It is a front view of a coal mine gas drainage hole sealing device proposed by the utility model;

[0021] Figure 3 It is a top view of a coal mine gas drainage hole sealing device proposed by the utility model.

[0022] Legend Explanation:

[0023] 1. Fixed plate; 2. Motor; 3. First gear; 4. Second gear; 5. Connecting rod; 6. Limit block; 7. First chute; 8. Connecting plate; 9. Second chute; 10. Slide bar; 11. Support plate; 12. Shock damping device; 13. Buffer plate; 14. Support rod; 15. Hole sealing pipe; 16. Discharge pipe; 17. Through groove; 18. Sealing cover; 19. Sealing ring; 20. Handle. Detailed Embodiment

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Refer toFigures 1-3 , an embodiment provided by the present utility model: a coal mine gas drainage hole sealing device, including a fixing plate 1, a motor 2 is fixedly connected to the bottom of the fixing plate 1, the output shaft of the motor 2 passes through the fixing plate 1 and is fixedly connected to a first gear 3, a second gear 4 is meshed and connected to one side of the first gear 3, a connecting rod 5 is fixedly connected to the bottom of the second gear 4, one end of the connecting rod 5 passes through the fixing plate 1 and is fixedly connected to a limiting block 6, a first sliding groove 7 is opened inside the fixing plate 1, a connecting plate 8 is slidably connected inside the first sliding groove 7, a second sliding groove 9 is opened inside the second gear 4, a sliding rod 10 is slidably connected inside the second sliding groove 9, the bottom of the sliding rod 10 is fixedly connected to the top of the connecting plate 8, and one end of the connecting plate 8 is fixedly connected to a support plate 11.

[0026] A shock absorption damper 12 is fixedly connected to the outer wall of the support plate 11, a buffer plate 13 is fixedly connected to one end of the shock absorption damper 12 to improve stability. A plurality of groups of shock absorption dampers 12 are provided, which can effectively absorb and disperse the vibration generated during the drainage process. A support rod 14 is fixedly connected to the bottom of the fixing plate 1, a hole sealing pipe 15 is fixedly connected to the bottom of the support rod 14. A plurality of groups of support rods 14 are provided, a discharge pipe 16 is fixedly connected to the top of the hole sealing pipe 15, the discharge pipe 16 is located at one end of the top of the hole sealing pipe 15, a through groove 17 is provided inside the fixing plate 1, the discharge pipe 16 is slidably connected inside the through groove 17, one end of the discharge pipe 16 passes through the through groove 17, an external thread is connected to the outside of one end of the discharge pipe 16 with a sealing cover 18, and a sealing ring 19 is fixedly connected to the inner wall of the sealing cover 18, which can effectively prevent gas leakage. The material of the sealing ring 19 is rubber material to maintain a stable sealing effect. A handle 20 is fixedly connected to the top of the sealing cover 18.

[0027] Working principle: Start the motor 2, the motor 2 drives the first gear 3 to rotate, the first gear 3 drives the second gear 4 to rotate, the second gear 4 drives the sliding rod 10 to slide towards the outer end inside the second sliding groove 9, the sliding rod 10 drives the connecting plate 8 to slide towards the outer side inside the first sliding groove 7, the connecting plate 8 drives the support plate 11 to move outwards, and the support plate 11 drives the buffer plate 13 to move outwards through the shock absorption damper 12, which can firmly support the hole sealing device.

[0028] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A coal mine gas extraction sealing device, comprising a fixing plate (1), characterized in that: The bottom of the fixed plate (1) is fixedly connected to a motor (2); the output shaft of the motor (2) passes through the fixed plate (1) and is fixedly connected to a gear one (3); one side of the gear one (3) is meshingly connected to a gear two (4); the bottom of the gear two (4) is fixedly connected to a connecting rod (5); one end of the connecting rod (5) passes through the fixed plate (1) and is fixedly connected to a limiting block (6); a slide groove one (7) is provided inside the fixed plate (1); a connecting plate (8) is slidably connected inside the slide groove one (7); a slide groove two (9) is provided inside the gear two (4); a slide rod (10) is slidably connected inside the slide groove two (9); the bottom of the slide rod (10) is fixedly connected to the top of the connecting plate (8); one end of the connecting plate (8) is fixedly connected to a support plate (11).

2. A coal mine gas extraction sealing device according to claim 1, characterized in that: A shock absorbing damper (12) is fixedly connected to the outer wall of the support plate (11), a buffer plate (13) is fixedly connected to one end of the shock absorbing damper (12), and a plurality of groups of the shock absorbing dampers (12) are provided.

3. A coal mine gas extraction sealing device according to claim 1, characterized in that: The bottom of the fixed plate (1) is fixedly connected to a support rod (14), the bottom of the support rod (14) is fixedly connected to a sealing tube (15), and the support rod (14) is provided in multiple groups.

4. A coal mine gas extraction sealing device according to claim 3, characterized in that: The top of the sealing tube (15) is fixedly connected with a discharge tube (16), and the discharge tube (16) is located at one end of the top of the sealing tube (15).

5. A coal mine gas extraction sealing device according to claim 1, characterized in that: A through groove (17) is provided inside the fixing plate (1), a discharge pipe (16) is slidably connected inside the through groove (17), one end of the discharge pipe (16) passes through the through groove (17), and one end of the discharge pipe (16) is externally threadedly connected to a sealing cover (18).

6. A coal mine gas extraction sealing device according to claim 5, characterized in that: A sealing ring (19) is fixedly connected to the inner wall of the sealing cover (18), and the sealing ring (19) is made of rubber.

7. A coal mine gas extraction sealing device according to claim 5, characterized in that: A handle (20) is fixedly connected to the top of the sealing cover (18).

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