CN219910740U - Underground condition detection device for coal-bed gas well - Google Patents
Underground condition detection device for coal-bed gas well Download PDFInfo
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- CN219910740U CN219910740U CN202320416845.3U CN202320416845U CN219910740U CN 219910740 U CN219910740 U CN 219910740U CN 202320416845 U CN202320416845 U CN 202320416845U CN 219910740 U CN219910740 U CN 219910740U
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- frame
- gas well
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- coal
- wheel
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- 238000001514 detection method Methods 0.000 title claims abstract description 86
- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000003245 coal Substances 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 15
- 239000007789 gas Substances 0.000 description 54
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model belongs to the field of underground condition detection devices, and particularly relates to an underground condition detection device of a coal-bed gas well. According to the utility model, the structure such as the wheel frame, the supporting wheel and the tension spring is additionally arranged on the detection frame, after the detection frame is placed in the gas well pipe, the supporting wheel is driven to prop against the inner wall of the gas well pipe by the elasticity of the tension spring to support the detection frame, so that the detection frame can be prevented from shaking in the downward moving process, and the traditional threaded connection mode is replaced by a mode that the limit frame is driven to slide into the gas well pipe by the elasticity of the spring to limit the detection cover, so that the installation efficiency can be effectively improved.
Description
Technical Field
The utility model belongs to the field of underground condition detection devices, and particularly relates to a coal-bed gas well underground condition detection device.
Background
Coal bed gas is a gas resource associated with coal, refers to hydrocarbon gas stored in a coal bed, takes methane as a main component, and belongs to unconventional natural gas. The coal bed gas is hydrocarbon gas which is mainly adsorbed on the surface of coal matrix particles, partially dissociated in coal pores or dissolved in coal bed water, is a coal associated mineral resource, can be transported and mined through a gas well pipe in the mining process, is easy to be blocked by impurities in the gas well pipe in the mining process to influence the transportation of the gas, and needs to be detected through a detection device after the gas is blocked, but detection equipment in the prior art is lowered into a gas well pipe through a steel wire rope, the steel wire rope is flexible, the detection equipment is easy to shake in the lowering process, the environment is influenced by a camera on a detection frame, the gas well pipe needs to be closed through a detection cover in the detection process, the traditional sealing mode is threaded installation, a plurality of circles are needed to be rotated in the installation process, the installation progress is influenced, and the internal gas leakage is caused. Accordingly, improvements in the art are needed.
Disclosure of Invention
The utility model aims to provide a device for detecting underground conditions of a coal-bed gas well, which solves the problems that a camera is unstable to descend and a detection cover is troublesome to install in the existing detection process.
In order to achieve the above purpose, the utility model provides a coal bed gas well underground condition detection device, which comprises a gas well pipe, wherein the upper end of the gas well pipe is connected with a detection cover in a sliding way, the inside of the detection cover is fixedly connected with a connecting rod, one end of the connecting rod is contacted with a detection frame, a detection camera is arranged on the detection frame, a collection wheel is arranged in the detection frame through a bearing, a steel wire rope is wound on the outer side of the collection wheel, a servo motor is fixedly arranged in the detection frame, an output shaft of the servo motor is fixedly connected with the collection wheel, a supporting mechanism is arranged on the detection frame, and a quick installation mechanism is arranged on the outer side of the detection cover.
The principle of the utility model is as follows: when the inside of a gas well pipe is required to be detected, the original gas well pipe cover is taken down, then a limiting frame is pulled, the limiting frame compresses a spring through a connecting nail, then a detecting frame is placed in the gas well pipe, a sealing ring in the detecting cover is contacted with the gas well pipe, then the limiting frame is loosened, the spring is reset, and the spring drives the limiting frame to slide into the gas well pipe through elasticity, so that the limiting of the detecting cover can be completed, and gas leakage can be effectively avoided;
when the detection frame enters the gas well pipe, the supporting wheel drives the wheel frame to move with the connecting frame and stretches the tension spring, the tension spring generates elasticity after being stretched, the tension spring drives the supporting wheel to prop up the inside of the gas well pipe through the elasticity, so that the detection frame can be prevented from shaking in the descending process through the supporting wheel, then the servo motor is started, the servo motor drives the collecting wheel to rotate, the collecting wheel can release a steel wire rope in the rotating process, the detecting frame can be driven to move downwards in the process of releasing the steel wire rope, and the environment can be detected through the detecting camera.
The utility model has the beneficial effects that: according to the utility model, the structure such as the wheel frame, the supporting wheel and the tension spring is additionally arranged on the detection frame, after the detection frame is placed in the gas well pipe, the supporting wheel is driven to prop against the inner wall of the gas well pipe by the elasticity of the tension spring to support the detection frame, so that the detection frame can be prevented from shaking in the downward moving process, and the traditional threaded connection mode is replaced by a mode that the limit frame is driven to slide into the gas well pipe by the elasticity of the spring to limit the detection cover, so that the installation efficiency can be effectively improved.
Further, wire rope with survey frame sliding connection, wire rope with connecting rod fixed connection, wire rope can receive and release through collecting the wheel.
Further, the supporting mechanism comprises a wheel frame, a connecting frame, a tension spring and supporting wheels, wherein the connecting frame is connected to the inside of the detecting frame in a sliding mode, the wheel frame is fixedly connected with one end of the connecting frame, the wheel frame is in contact with the detecting frame, the tension spring is arranged in the connecting frame, the supporting wheels are connected to the inside of the wheel frame in a rotating mode, the supporting wheels are in contact with the gas well pipe, and the supporting wheels can support the detecting frame.
Further, one end of the tension spring is fixedly connected with the detection frame, the other end of the tension spring is fixedly connected with the connecting frame, and the tension spring can support the connecting frame through elasticity.
Further, quick installation mechanism includes connecting nail, spacing, spring, sealing ring, the inside sliding connection who surveys the lid has the connecting nail, the one end fixedly connected with spacing of connecting nail, spacing with survey the lid contact, spacing with gas well pipe sliding connection, the outside of connecting nail is provided with the spring, and spacing can be spacing to surveying the lid.
Further, one end of the spring is fixedly connected with the connecting nail, the other end of the spring is fixedly connected with the detection cover, and the spring can drive the connecting nail to automatically reset through elasticity.
Further, the inside of the detection cover is adhered with a sealing ring, the sealing ring is in contact with the gas well pipe, and the sealing ring can seal the joint between the detection cover and the gas well pipe.
Drawings
FIG. 1 is a perspective view of a coal-bed gas well downhole condition detection device in accordance with an embodiment of the present utility model;
FIG. 2 is a front cross-sectional view of FIG. 1 of a coal-bed gas well downhole condition detection device in accordance with an embodiment of the present utility model;
FIG. 3 is an enlarged view of the structure of part A of FIG. 2 of a coal-bed gas well downhole condition detection device in accordance with an embodiment of the present utility model;
FIG. 4 is an enlarged view of the structure of portion B of FIG. 2 of a coal-bed methane well downhole condition detection device according to an embodiment of the present utility model.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include:
the device comprises an air well pipe 1, a detection cover 2, a connecting rod 3, a detection frame 4, a detection camera 5, a collection wheel 6, a steel wire rope 7, a supporting mechanism 8, a quick installation mechanism 9, a servo motor 10, a wheel frame 81, a connecting frame 82, a tension spring 83, a supporting wheel 84, a connecting nail 91, a limit frame 92, a spring 93 and a sealing ring 94.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the embodiment provides a coal-bed gas well underground condition detection device, which comprises a gas well pipe 1, the upper end sliding connection of gas well pipe 1 has a detection lid 2, the inside fixedly connected with connecting rod 3 of detection lid 2, the one end contact of connecting rod 3 has a detection frame 4, be provided with detection camera 5 on the detection frame 4, collection wheel 6 is installed through the bearing to the inside of detection frame 4, the outside winding of collection wheel 6 has wire rope 7, the inside fixed mounting of detection frame 4 has servo motor 10, servo motor 10's output shaft and collection wheel 6 fixed connection, be provided with supporting mechanism 8 on the detection frame 4, the outside of detection lid 2 is provided with quick installation mechanism 9, wire rope 7 and detection frame 4 sliding connection, wire rope 7 and connecting rod 3 fixed connection, wire rope 7 can receive and release through collection wheel 6.
As shown in fig. 1, 2 and 3, the supporting mechanism 8 comprises a wheel frame 81, a connecting frame 82, a tension spring 83 and a supporting wheel 84, the connecting frame 82 is connected to the inside of the detecting frame 4 in a sliding manner, one end of the connecting frame 82 is fixedly connected with the wheel frame 81, the wheel frame 81 is in contact with the detecting frame 4, the tension spring 83 is arranged in the connecting frame 82, the supporting wheel 84 is connected to the inside of the wheel frame 81 in a rotating manner, the supporting wheel 84 is in contact with the gas well pipe 1, the supporting wheel 84 can support the detecting frame 4, one end of the tension spring 83 is fixedly connected with the detecting frame 4, the other end of the tension spring 83 is fixedly connected with the connecting frame 82, and the tension spring 83 can support the connecting frame 82 through elasticity.
As shown in fig. 1, fig. 2 and fig. 4, the quick mounting mechanism 9 comprises a connecting nail 91, a limiting frame 92, a spring 93 and a sealing ring 94, wherein the connecting nail 91 is slidably connected to the inside of the detecting cover 2, one end of the connecting nail 91 is fixedly connected with the limiting frame 92, the limiting frame 92 is in contact with the detecting cover 2, the limiting frame 92 is slidably connected with the gas well pipe 1, the spring 93 is arranged on the outer side of the connecting nail 91, the limiting frame 92 can limit the detecting cover 2, one end of the spring 93 is fixedly connected with the connecting nail 91, the other end of the spring 93 is fixedly connected with the detecting cover 2, the spring 93 can drive the connecting nail 91 to automatically reset through elastic force, the sealing ring 94 is adhered to the inside of the detecting cover 2, the sealing ring 94 is in contact with the gas well pipe 1, and the sealing ring 94 can seal a joint between the detecting cover 2 and the gas well pipe 1.
The specific implementation process of the utility model is as follows: when the inside of the gas well pipe 1 needs to be detected, the original gas well pipe 1 cover is taken down, then the limiting frame 92 is pulled, the limiting frame 92 compresses the spring 93 through the connecting nails 91, then the detecting frame 4 is placed into the gas well pipe 1, the sealing ring 94 in the detecting cover 2 is contacted with the gas well pipe 1, then the limiting frame 92 is loosened, the spring 93 is reset, and the spring 93 drives the limiting frame 92 to slide into the gas well pipe 1 through elasticity, so that the limiting of the detecting cover 2 can be completed, and gas leakage can be effectively avoided;
when the detection frame 4 enters the gas well pipe 1, the support wheel 84 drives the wheel frame 81 and the connecting frame 82 to stretch the tension spring 83, the tension spring 83 generates elasticity after being stretched, the tension spring 83 drives the support wheel 84 to prop up the inside of the gas well pipe 1 through the elasticity, thereby the detection frame 4 can be prevented from shaking in the descending process through the support wheel 84, then the servo motor 10 is started, the servo motor 10 drives the collecting wheel 6 to rotate, the collecting wheel 6 can release the steel wire rope 7 in the rotating process, the steel wire rope 7 can be driven to move downwards in the process of releasing the steel wire rope 7, and the environment can be detected through the detection camera 5.
According to the utility model, the structure of the wheel frame 81, the supporting wheel 84, the tension spring 83 and the like is additionally arranged on the detection frame 4, after the detection frame 4 is placed in the gas well pipe 1, the supporting wheel 84 can be driven by the elasticity of the tension spring 83 to prop against the inner wall of the gas well pipe 1 so as to support the detection frame 4, so that the detection frame 4 can be prevented from shaking in the downward moving process, and the traditional threaded connection mode is replaced by a mode of limiting the detection cover 2 by driving the limiting frame 92 to slide into the gas well pipe 1 by the elasticity of the spring 93, so that the installation efficiency can be effectively improved.
It should be noted in advance that, in the present utility model, unless explicitly specified and limited otherwise, terms such as "mounted," "connected," "fixed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (7)
1. The utility model provides a coal bed gas well condition detection device in pit, includes gas well pipe, its characterized in that: the upper end sliding connection of gas well pipe has the detection lid, the inside fixedly connected with connecting rod of detection lid, the one end contact of connecting rod has the detection frame, be provided with the detection camera on the detection frame, the collection wheel is installed through the bearing to the inside of detection frame, the outside winding of collection wheel has wire rope, the inside fixed mounting of detection frame has servo motor, servo motor's output shaft with collection wheel fixed connection, be provided with supporting mechanism on the detection frame, the outside of detection lid is provided with quick installation mechanism.
2. The coal-bed gas well downhole condition detection device of claim 1, wherein: the steel wire rope is in sliding connection with the detection frame, and the steel wire rope is fixedly connected with the connecting rod.
3. The coal-bed gas well downhole condition detection device of claim 1, wherein: the supporting mechanism comprises a wheel frame, a connecting frame, tension springs and supporting wheels, wherein the connecting frame is connected inside the detecting frame in a sliding mode, one end of the connecting frame is fixedly connected with the wheel frame, the wheel frame is in contact with the detecting frame, the tension springs are arranged inside the connecting frame, the supporting wheels are connected inside the wheel frame in a rotating mode, and the supporting wheels are in contact with the gas well pipe.
4. A coal bed gas well downhole condition detection apparatus as claimed in claim 3, wherein: one end of the tension spring is fixedly connected with the detection frame, and the other end of the tension spring is fixedly connected with the connecting frame.
5. The coal-bed gas well downhole condition detection device of claim 1, wherein: the quick installation mechanism comprises a connecting nail, a limiting frame, a spring and a sealing ring, wherein the connecting nail is connected to the inside of the detecting cover in a sliding manner, the limiting frame is fixedly connected to one end of the connecting nail and is in contact with the detecting cover, the limiting frame is in sliding connection with the gas well pipe, and the spring is arranged on the outer side of the connecting nail.
6. The coal-bed gas well downhole condition detection apparatus of claim 5, wherein: one end of the spring is fixedly connected with the connecting nail, and the other end of the spring is fixedly connected with the detection cover.
7. The coal-bed gas well downhole condition detection apparatus of claim 5, wherein: and a sealing ring is adhered to the inner part of the detection cover, and the sealing ring is in contact with the gas well pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320416845.3U CN219910740U (en) | 2023-03-08 | 2023-03-08 | Underground condition detection device for coal-bed gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320416845.3U CN219910740U (en) | 2023-03-08 | 2023-03-08 | Underground condition detection device for coal-bed gas well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219910740U true CN219910740U (en) | 2023-10-27 |
Family
ID=88429068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320416845.3U Active CN219910740U (en) | 2023-03-08 | 2023-03-08 | Underground condition detection device for coal-bed gas well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219910740U (en) |
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2023
- 2023-03-08 CN CN202320416845.3U patent/CN219910740U/en active Active
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