CN221195020U

CN221195020U - Gas drainage hole sealing grouting device

Info

Publication number: CN221195020U
Application number: CN202323231613.XU
Authority: CN
Inventors: 张钧祥; 李龙洁; 郭军杰; 付江伟; 刘琦; 包鹏飞
Original assignee: Zhongyuan University of Technology
Current assignee: Zhongyuan University of Technology
Priority date: 2023-11-29
Filing date: 2023-11-29
Publication date: 2024-06-21
Anticipated expiration: 2033-11-29

Abstract

The utility model belongs to the field of underground coal mine gas extraction drilling hole sealing, in particular to a gas extraction hole sealing grouting device, which aims at achieving the purpose of gas extraction hole sealing by inserting an integrated pipeline into a mining port when the existing gas extraction hole sealing grouting device is used, but has the defect that the integrated pipeline with different lengths needs to be replaced according to the depth of the mining port of the gas, and has certain limitation. According to the utility model, the pipeline can be disassembled or extended according to actual conditions through the matching of the components, and the disassembly and the assembly can be realized without external tools, so that the practicability and the convenience are improved.

Description

Gas drainage hole sealing grouting device

Technical Field

The utility model relates to the technical field of underground coal mine gas extraction drilling hole sealing, in particular to a gas extraction hole sealing grouting device.

Background

The gas extraction is an important measure for controlling underground gas disasters of the coal mine, can improve the utilization rate of the gas, reduce the emission of greenhouse gas, achieve the purposes of energy conservation and emission reduction, and the hole sealing is an important technology in gas drilling of the coal mine extraction, and the hole sealing effect of the gas extraction drilling directly influences the effect and efficiency of the gas extraction, so that the gas extraction method is particularly important for safety control of the coal mine;

In the prior art, firstly, the strength of the plugging material in the radial direction is insufficient, so that the grouting pressure cannot be ensured; in addition, under the continuous influence of ground stress, the crack is constantly developed around the drilling, can't carry out secondary or many times slip casting and shutoff to influence the gas extraction effect, to above-mentioned problem application number: 202021581367.4 discloses a high-pressure circulating grouting hole sealing device for gas extraction drilling, which comprises a slurry pump, a high-pressure gas cylinder, 2 bags, at least 1 air bag, an integrated pipeline, an adapter and at least 6 pressure self-tightening sealing devices;

However, the existing gas extraction hole sealing grouting device achieves the purpose of extracting hole sealing of gas by inserting an integrated pipeline into a mining port when in use, but the integrated pipeline with different lengths needs to be replaced according to the depth of the mining port of the gas, and the defect of certain limitation exists and needs to be improved.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a gas extraction hole sealing grouting device.

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

The utility model provides a gas drainage hole sealing slip casting device, includes pipeline one and coupling assembling, pipeline one's one end is equipped with coupling assembling, pipeline one's one end grafting has pipeline two, pipeline two with coupling assembling is connected, coupling assembling includes spheroid, annular plate one, annular plate two, spring and dead lever, two slotted holes have been seted up to pipeline one's one end, two equal sliding connection has the spheroid in the slotted hole, two the spheroid all with pipeline two contact connection, the slip cap is equipped with annular plate one on the pipeline one, annular plate one with two the spheroid all contact connection, pipeline one goes up fixed cover and is equipped with annular plate two, annular plate two with annular plate one sliding connection, pipeline one goes up the cover and is equipped with the spring, the both ends of spring respectively with annular plate one and annular plate two fixed connection, through pushing the annular plate one and make the spring compressed, and make annular plate one two spheroid in the slotted hole to release two the spheroid the stop of two spheroid, make two in two the pipeline two then two the slot holes can be dismantled respectively in pipeline one.

Specifically, two fixing rods are fixedly connected to two spheres, four fixing rods are in sliding connection with one pipeline, and the two spheres are prevented from being separated from corresponding slotted holes through the action of the four fixing rods.

Specifically, two ball grooves are formed in one end of the second pipeline, and the two ball grooves correspond to the two balls respectively, so that the second pipeline is conveniently fixed.

Specifically, the first sealing ring is fixedly sleeved on the second pipeline and is in contact connection with the first pipeline, so that the tightness is improved.

Specifically, a second sealing ring is fixedly installed in the first pipeline, and the second sealing ring is in contact connection with the second pipeline, so that the tightness is improved, and the second sealing ring is detachably connected.

Specifically, one end of the first pipeline is provided with a flange, and one side of the flange is provided with a connector for connection between equipment and the pipeline.

Specifically, the first pipeline and the second pipeline are both provided with an air bag module and a bag module, and the connecting head is provided with a slurry pump, a high-pressure gas cylinder, a gas extraction pipeline, a flowmeter and a pressure gauge, so that redundant description is avoided in the prior art.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the gas extraction hole sealing grouting device, through the matching design of the first pipeline connecting component and the second pipeline, the pipelines can be disassembled or extended according to actual conditions, and the disassembly and the assembly can be realized without external tools, so that the practicability and the convenience are improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be understood that the drawings described below are merely exemplary, and that the structures, proportions, sizes, etc. shown in the present specification are merely illustrative of the contents of the present specification, for the understanding and appreciation of the skilled artisan, and are not meant to limit the limitations upon the practice of the present utility model, so that there is no technical significance to any modification, change in the proportions, or adjustment of the size of the structures.

Fig. 1 is a schematic diagram of a front view structure of a gas extraction hole sealing grouting device according to the present utility model;

fig. 2 is a schematic diagram of a connection assembly of a gas extraction hole sealing grouting device according to the present utility model;

FIG. 3 is a schematic view of the structure of the first, second and flange.

In the figure: 1. a first pipeline; 2. a connection assembly; 21. a sphere; 22. a first annular plate; 23. a second annular plate; 24. a spring; 25. a fixed rod; 3. a second pipeline; 4. an air bag module; 5. a pouch module; 6. a flange; 7. a connector; 8. a ball groove; 9. a first sealing ring; 10. and a second sealing ring.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. 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 be within the scope of the utility model.

Referring to fig. 1-3, a gas drainage hole sealing grouting device comprises a first pipeline 1 and a connecting component 2, wherein one end of the first pipeline 1 is provided with the connecting component 2, one end of the first pipeline 1 is inserted with a second pipeline 3, the second pipeline 3 is connected with the connecting component 2, the connecting component 2 comprises a first ball 21, a second ring 22, a second ring 23, springs 24 and a fixing rod 25, two slotted holes are formed in one end of the first pipeline 1, balls 21 are connected with the first pipeline 3 in a contact manner, the first pipeline 1 is sleeved with the second ring 22 in a sliding manner, the first ring 22 is connected with the second ball 21 in a contact manner, the first pipeline 1 is fixedly sleeved with the second ring 23, the second ring 23 is connected with the first ring 22 in a sliding manner, two ends of the springs 24 are respectively fixedly connected with the first ring 22 and the second ring 23, the first ring 22 and the second ring 23 are pushed to the right, the first ring 22 is separated from the second ball 21 by the first ring 24, and then the second ball 21 is separated from the first pipeline 21 by the second ring 24, and the first ball 21 is separated from the second pipeline 3 by the first ball 21 in a sliding manner.

In this embodiment, two fixing rods 25 are fixedly connected to two spheres 21, four fixing rods 25 are slidably connected to the first pipeline 1, and the effect of the four fixing rods 25 is used to prevent the two spheres 21 from being separated from corresponding slots.

In this embodiment, two ball grooves 8 are formed at one end of the second pipeline 3, and the two ball grooves 8 correspond to the two balls 21 respectively, so as to fix the second pipeline 3.

In this embodiment, a first sealing ring 9 is fixedly sleeved on the second pipeline 3, and the first sealing ring 9 is in contact connection with the first pipeline 1, so that the tightness is improved.

In this embodiment, a second sealing ring 10 is fixedly installed in the first pipeline 1, and the second sealing ring 10 is in contact connection with the second pipeline 3, so that the tightness is improved and the connection is detachable.

In this embodiment, one end of the first pipeline 1 is provided with a flange 6, and one side of the flange 6 is provided with a connector 7 for connection between equipment and the pipeline.

In this embodiment, the first and second pipelines 1 and 3 are respectively provided with an air bag module 4 and a bag module 5, and the connector 7 is provided with a slurry pump, a high-pressure gas cylinder, a gas extraction pipeline, a flowmeter and a pressure gauge, which are not described in detail in the prior art.

Working principle: when the detachable pipeline is used, the first ring plate 22 is pushed to the right, the spring 24 is compressed, the first ring plate 22 is separated from the two spheres 21, the two spheres 21 are blocked, the two spheres 21 can slide in the two slotted holes respectively, and then one end of the pipeline II 3 is pulled out of the pipeline I1, so that the pipeline II 3 is detached; when the pipeline II 3 is installed, one end of the pipeline II 3 is inserted into the pipeline I1, two ball grooves 8 on the pipeline II 3 respectively correspond to two balls 21 on the pipeline I1, the pipeline I1 is contacted with a sealing ring 9, the pipeline II 3 is contacted with the sealing ring II 10, then the annular plate I22 is loosened, the annular plate I22 is restored under the acting force of the spring 24, in the process, the annular plate I22 acts on the two balls 21, the two balls 21 are respectively embedded into the corresponding ball grooves 8, and the two balls 21 cannot move due to the blocking of the annular plate I22, so that the self-locking purpose is achieved, and the connection between the pipeline I1 and the pipeline II 3 is realized; the gas is extracted and sealed through the actions of the gas bag module 4, the bag module 5, the slurry pump, the high-pressure gas cylinder, the gas extraction pipeline, the flowmeter and the pressure gauge.

Compared with the prior art, the utility model has the technical advantages that: through the cooperation of part can dismantle or extend the pipeline according to actual conditions, need not external tool moreover and can realize dismantling and installation, has promoted practicality and convenience.

Claims

1. The utility model provides a gas drainage hole sealing slip casting device, its characterized in that, includes pipeline one (1) and coupling assembling (2), the one end of pipeline one (1) is equipped with coupling assembling (2), the one end grafting of pipeline one (1) has pipeline two (3), pipeline two (3) with coupling assembling (2) are connected, coupling assembling (2) include spheroid (21), annular plate one (22), annular plate two (23), spring (24) and dead lever (25), two slotted holes have been seted up to the one end of pipeline one (1), two equal sliding connection has spheroid (21) in the slotted hole, two spheroid (21) all with pipeline two (3) contact connection, the slip cap is equipped with annular plate one (22) on pipeline one (1), annular plate one (22) and two equal contact connection of spheroid (21), fixed cap is equipped with annular plate two (23) on pipeline one (1), annular plate two (23) and annular plate one (24) are equipped with spring one and two fixed sleeve (24) respectively.

2. The gas extraction hole sealing grouting device according to claim 1, wherein two fixing rods (25) are fixedly connected to two spheres (21), and four fixing rods (25) are slidably connected with the first pipeline (1).

3. The gas extraction hole sealing grouting device according to claim 2, wherein two ball grooves (8) are formed in one end of the second pipeline (3), and the two ball grooves (8) correspond to the two balls (21) respectively.

4. A gas extraction hole sealing grouting device according to claim 3, wherein a first sealing ring (9) is fixedly sleeved on the second pipeline (3), and the first sealing ring (9) is in contact connection with the first pipeline (1).

5. The gas extraction hole sealing grouting device according to claim 4, wherein a second sealing ring (10) is fixedly arranged in the first pipeline (1), and the second sealing ring (10) is in contact connection with the second pipeline (3).

6. The gas extraction hole sealing grouting device according to claim 5, wherein one end of the first pipeline (1) is provided with a flange (6), and one side of the flange (6) is provided with a connector (7).

7. The gas extraction hole sealing grouting device according to claim 6, wherein the first pipeline (1) and the second pipeline (3) are respectively provided with an air bag module (4) and a bag module (5), and the connector (7) is provided with a slurry pump, a high-pressure gas cylinder, a gas extraction pipeline, a flowmeter and a pressure gauge.