CN214532941U - Acoustic wave sensor coupling device for pre-pumping gas emission drilling of mine - Google Patents
Acoustic wave sensor coupling device for pre-pumping gas emission drilling of mine Download PDFInfo
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- CN214532941U CN214532941U CN202120595567.3U CN202120595567U CN214532941U CN 214532941 U CN214532941 U CN 214532941U CN 202120595567 U CN202120595567 U CN 202120595567U CN 214532941 U CN214532941 U CN 214532941U
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- wave sensor
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- inner cylinder
- connecting rod
- sound wave
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Abstract
The utility model provides a sound wave sensor coupling device that is used for mine to take out gas emission drilling in advance relates to the nondestructive detection technology field of sound wave. The acoustic wave sensor coupling device for the mine pre-pumping gas discharge drilling hole comprises an inner cylinder, an outer cylinder, a connecting rod, an acoustic wave sensor and a driving unit. The utility model controls the driving unit to make the driving gear rotate forward or reversely, so as to drive the inner cylinder to move forward and backward relative to the outer cylinder; when the inner cylinder moves forwards relative to the outer cylinder, the sound wave sensor on the other end of the connecting rod extends out of the outer cylinder through the through hole, and the tail end (radiation surface) of the sound wave sensor is tightly attached to the hole wall, so that the tail end (radiation surface) of the sound wave sensor is completely coupled with the hole wall; when the inner cylinder moved backward for the urceolus, made the sound wave sensor on the connecting rod other end retract the urceolus through the through-hole to when the device arranged in drilling or withdrawn from the drilling, avoid the sound wave sensor and the hole wall between the damage of colliding with.
Description
Technical Field
The utility model belongs to the technical field of the sound wave nondestructive test technique and specifically relates to a sound wave sensor coupling device that is used for mine to take out gas emission drilling in advance.
Background
For coal and gas outburst mines, a large number of pre-pumping gas discharge drill holes are required to be constructed in a coal seam before the coal and gas outburst mines are mined on a working face, sound wave detection work can be carried out by utilizing the drill holes, parameters such as occurrence conditions of coal seam gas, crack development degree of the coal seam, stress concentration areas, coal seam thickness and the like can be obtained through acoustic parameters of the coal seam, and technical theoretical support is provided for guaranteeing safe mining of the coal mine working face. A key technical problem of the borehole acoustic detection is the coupling problem of an acoustic sensor and a borehole coal wall, and an acoustic radiation surface of the acoustic sensor is required to be tightly attached to the borehole wall to realize complete coupling during measurement so as to ensure that acoustic energy is radiated into a coal seam. If the radiation surface of the acoustic wave sensor cannot be completely coupled with the hole wall, an air layer exists between the radiation surface and the hole wall, most of the radiated acoustic wave energy is reflected by the hole wall and cannot enter the coal bed, and at the moment, the acoustic wave receiving sensor of the other drill hole cannot receive acoustic wave signals, so that the acoustic wave detection work cannot be finished.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sound wave sensor coupling device that is used for the mine to take out gas emission drilling in advance makes sound wave sensor's sound wave radiating surface and pore wall paste and tightly realize complete coupling.
In order to achieve the above object, the present invention adopts the following technical solutions:
a sound wave sensor coupling device for a mine pre-pumping gas emission drill hole comprises an inner cylinder, an outer cylinder, a connecting rod, a sound wave sensor and a driving unit;
the inner cylinder is positioned in the outer cylinder, and the inner cylinder and the outer cylinder are arranged coaxially;
a track is arranged in the outer barrel, the extending direction of the track is perpendicular to the side wall of the outer barrel, and a through hole is formed in the position, close to the tail end of the track, of the side wall of the outer barrel;
one end of the connecting rod is connected with the inner cylinder through a hinge;
a roller is arranged between the middle position of the connecting rod and the other end of the connecting rod, the roller is movably connected on the track, and the roller can roll relative to the track;
the other end of the connecting rod is provided with an acoustic wave sensor which can penetrate through the through hole;
a driving unit is arranged in the outer barrel, and the driving unit is in power connection with a driving gear;
the inner cylinder is provided with a first rack meshed with the driving gear.
Preferably, a support column is arranged in the outer cylinder, and a support gear is arranged at the tail end of the support column; and a second rack meshed with the supporting gear is arranged on the inner cylinder.
Preferably, the device further comprises a video probe, and the video probe is arranged at the tail end of the outer cylinder.
Preferably, still include the lamp pearl, a plurality of lamp pearl sets up in the end of urceolus.
Preferably, the device further comprises a handheld display, and the handheld display is in signal connection with the video probe.
Preferably, the handheld display is connected with the video probe through Bluetooth.
Preferably, the side wall of the outer barrel is provided with a plurality of supporting wheel sets along the axial direction of the outer barrel, each supporting wheel set comprises a plurality of supporting wheels, and the plurality of supporting wheels are arranged along the circumferential direction of the outer barrel.
Preferably, the driving unit comprises a battery and a motor, the battery and the motor are both arranged in the outer cylinder, the battery is connected with the motor through a cable, and a rotating shaft of the motor is connected with the driving gear.
Preferably, the control device further comprises a control handle, and the control handle is connected with the control end of the motor through a signal cable.
Preferably, the device also comprises an extension bar, and one end of the extension bar is connected with the outer cylinder.
The utility model has the beneficial technical effects that:
the utility model discloses a sound wave sensor coupling device for mine gas emission drilling of taking out in advance arranges it in the drilling, realizes the support to the urceolus through the supporting wheel, makes the axis of urceolus (inner tube) and the axis of drilling coincide basically; the driving gear is driven to rotate forwards or backwards by controlling the driving unit, so that the inner cylinder is driven to move forwards and backwards relative to the outer cylinder; when the inner cylinder moves forwards relative to the outer cylinder, the connecting rod swings relative to the inner cylinder, the connecting rod swings relative to the rail, the roller rolls relative to the rail in the direction far away from the axis of the outer cylinder, the sound wave sensor on the other end of the connecting rod extends out of the outer cylinder through the through hole, the tail end (radiation surface) of the sound wave sensor is tightly attached to the hole wall, and the tail end (radiation surface) of the sound wave sensor is completely coupled with the hole wall; when the inner cylinder moved backward for the urceolus, made the sound wave sensor on the connecting rod other end retract the urceolus through the through-hole to when the device arranged in drilling or withdrawn from the drilling, avoid the sound wave sensor and the hole wall between the damage of colliding with.
Drawings
Fig. 1 is a schematic structural diagram of an acoustic wave sensor coupling device for a mine pre-pumping gas discharge borehole according to an embodiment of the present invention;
fig. 2 is a partial enlarged view of an acoustic sensor coupling device for a mine pre-extraction gas discharge borehole according to an embodiment of the present invention;
fig. 3 is the embodiment of the utility model provides a place in the inside schematic structure view of arranging in drilling for the mine is taken out the acoustic wave sensor coupling device that gas discharged the drilling in advance.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings. Certain embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. Indeed, various embodiments of the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will satisfy applicable legal requirements.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In an embodiment of the present invention, a sound wave sensor coupling device for a mine pre-pumping gas discharge drill hole is provided, please refer to fig. 1 to 3.
A sound wave sensor coupling device for a mine pre-pumping gas emission drill hole comprises an outer cylinder 1, an inner cylinder 2, a connecting rod 3, a sound wave sensor 31, a driving unit and the like.
The outer cylinder 1 is a cylindrical structure, the inner cylinder 2 is positioned inside the outer cylinder 1, and the inner cylinder 2 and the outer cylinder 1 are arranged coaxially.
A rail 13, a hinge 21, a roller 22 and a connecting rod 3 form a group of action mechanisms, and a plurality of groups of action mechanisms are arranged between the inner barrel 2 and the outer barrel 1.
The lateral wall of urceolus 1 sets up a plurality of supporting wheel group along the axial of urceolus 1, and the supporting wheel group includes a plurality of supporting wheel 16, and a plurality of supporting wheel 16 arranges along the circumferencial direction of urceolus 1. When the device is arranged in the drill hole 8, the outer cylinder 1 is supported by the support wheels 16, so that the axis of the outer cylinder 1 (the inner cylinder 2) is basically coincident with the axis of the drill hole 8, the subsequent acoustic wave sensor 31 can conveniently extend out of the outer cylinder 1, and the tail end (the radiation surface) of the acoustic wave sensor 31 is completely coupled with the hole wall.
One end of the extension bar 9 is connected with the outer cylinder 1 so as to facilitate the device to extend into the inner depth of the drill hole 8.
The outer cylinder 1 is internally provided with a rail 13, the extending direction of the rail 13 is vertical to the side wall of the outer cylinder 1, and the side wall of the outer cylinder 1 is provided with a through hole close to the tail end of the rail 13. One end of the connecting rod 3 is connected with the outer wall of the inner cylinder 2 through a hinge 21. A roller 22 is arranged between the middle position of the connecting rod 3 and the other end of the connecting rod 3, the roller 22 is movably connected on the track 13, and the roller 22 can roll relative to the track 13. The other end of the connecting rod 3 is provided with an acoustic wave sensor 31, and the acoustic wave sensor 31 can penetrate through a through hole in the side wall of the outer cylinder 1.
The inner cylinder 2 can move forwards or backwards relative to the outer cylinder 1, when the inner cylinder 2 moves forwards relative to the outer cylinder 1, the connecting rod 3 swings relative to the inner cylinder 2, the connecting rod 3 swings relative to the track 13, the roller 22 rolls relative to the track 13 in the direction far away from the axis of the outer cylinder 1, the sound wave sensor 31 on the other end of the connecting rod 3 extends out of the outer cylinder 1 through the through hole, and the tail end (radiation surface) of the sound wave sensor 31 is tightly attached to the hole wall, so that the tail end (radiation surface) of the sound wave sensor 31 is completely coupled with the hole wall. When the inner barrel 2 moves backwards relative to the outer barrel 1, the connecting rod 3 swings relative to the inner barrel 2, the connecting rod 3 swings relative to the rail 13, the roller 22 rolls relative to the rail 13 in the direction close to the axis of the outer barrel 1, and the sound wave sensor 31 at the other end of the connecting rod 3 retracts into the outer barrel 1 through the through hole, so that when the device is arranged in the drill hole 8 or withdrawn from the drill hole 8, the sound wave sensor 31 is prevented from colliding with and being damaged between the hole wall.
The outer cylinder 1 is internally provided with a driving unit which is in power connection with a driving gear 51, and the outer wall of one end of the inner cylinder 2 is provided with a first rack 41 which is meshed with the driving gear 51. In this embodiment, the driving unit includes a battery 6 and a motor 12, the battery 6 and the motor 12 are both disposed inside the outer cylinder 1, the battery 6 is connected to the motor 12 via a cable, and a rotating shaft of the motor 12 is connected to the driving gear 51. The control handle 7 is connected to the control end of the motor 12 via a signal cable. The operator controls the motor 12 to rotate forward or backward through the control handle 7, so that the driving gear 51 drives the first rack 41 to move forward or backward, and further drives the inner cylinder 2 to move forward or backward relative to the outer cylinder 1.
The outer cylinder 1 is internally provided with a support column 11, the tail end of the support column 11 is provided with a support gear 52, and the outer wall of one end of the inner cylinder 2 is provided with a second rack 42 meshed with the support gear 52. When the drive gear 51 engages the first rack 41, the support gear 52 is brought into engagement with the second rack 42 to effect support of the inner tube 2 by the support column 11.
The video probe 14 is arranged at the tail end of the outer barrel 1, and the tail end of the outer barrel is provided with a plurality of lamp beads 15 around the video probe 14. The inner wall of the borehole 8 is illuminated by the lamp bead 15 so that the video probe 14 can detect the inner wall structure of the borehole 8. The operator carries a hand-held display which is connected to the video probe 14 via bluetooth. The operator can observe the inner wall structure of the borehole 8 by means of a hand-held display in order to arrange the device in a suitable position within the borehole 8.
Up to this point, the present embodiment has been described in detail with reference to the accompanying drawings. In light of the above, those skilled in the art should have a clear understanding of the acoustic sensor coupling apparatus for a mine pre-extraction gas discharge borehole of the present invention. The utility model discloses a sound wave sensor coupling device for mine gas drainage drilling in advance arranges it in drilling 8 inside, realizes the support to urceolus 1 through supporting wheel 16, makes the axis of urceolus 1 (inner tube 2) and the axis of drilling 8 coincide basically; the driving gear 51 is driven to rotate forwards or backwards by controlling the driving unit, so that the inner cylinder 2 is driven to move forwards and backwards relative to the outer cylinder 1; when the inner cylinder 2 moves forwards relative to the outer cylinder 1, the connecting rod 3 swings relative to the inner cylinder 2, the connecting rod 3 swings relative to the track 13, the roller 22 rolls relative to the track 13 in the direction far away from the axis of the outer cylinder 1, the sound wave sensor 31 on the other end of the connecting rod 3 extends out of the outer cylinder 1 through the through hole, the tail end (radiation surface) of the sound wave sensor 31 is tightly attached to the hole wall, and the tail end (radiation surface) of the sound wave sensor 31 is completely coupled with the hole wall; when the inner cylinder 2 moves backward relative to the outer cylinder 1, the sound wave sensor 31 on the other end of the connecting rod 3 retracts into the outer cylinder 1 through the through hole, so that when the device is arranged in the drill hole 8 or withdrawn from the drill hole 8, the sound wave sensor 31 and the hole wall are prevented from colliding and being damaged.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A kind of acoustic wave sensor coupling device used for mine to pre-pump the gas and discharge the bore hole, characterized by that: comprises an inner cylinder, an outer cylinder, a connecting rod, an acoustic wave sensor and a driving unit;
the inner cylinder is positioned in the outer cylinder, and the inner cylinder and the outer cylinder are arranged coaxially;
a track is arranged in the outer barrel, the extending direction of the track is perpendicular to the side wall of the outer barrel, and a through hole is formed in the position, close to the tail end of the track, of the side wall of the outer barrel;
one end of the connecting rod is connected with the inner cylinder through a hinge;
a roller is arranged between the middle position of the connecting rod and the other end of the connecting rod, the roller is movably connected on the track, and the roller can roll relative to the track;
the other end of the connecting rod is provided with an acoustic wave sensor which can penetrate through the through hole;
a driving unit is arranged in the outer barrel, and the driving unit is in power connection with a driving gear;
the inner cylinder is provided with a first rack meshed with the driving gear.
2. The acoustic sensor coupling apparatus for a mine pre-extraction gas discharge borehole of claim 1, wherein: a support column is arranged in the outer barrel, and a support gear is arranged at the tail end of the support column; and a second rack meshed with the supporting gear is arranged on the inner cylinder.
3. The acoustic sensor coupling apparatus for a mine pre-extraction gas discharge borehole of claim 1, wherein: still include video probe, video probe sets up in the terminal of urceolus.
4. The acoustic sensor coupling apparatus for a mine pre-extraction gas discharge borehole of claim 3, wherein: still include the lamp pearl, a plurality of lamp pearl sets up in the end of urceolus.
5. The acoustic sensor coupling apparatus for a mine pre-extraction gas discharge borehole of claim 3, wherein: the handheld display is in signal connection with the video probe.
6. The acoustic sensor coupling apparatus for use in a mine pre-extraction gas discharge borehole of claim 5, wherein: the handheld display is connected with the video probe through Bluetooth.
7. The acoustic sensor coupling apparatus for a mine pre-extraction gas discharge borehole of claim 1, wherein: the lateral wall of urceolus sets up a plurality of support wheelset along the axial of urceolus, support the wheelset and include a plurality of supporting wheel, a plurality of supporting wheel arranges along the circumferencial direction of urceolus.
8. The acoustic sensor coupling apparatus for a mine pre-extraction gas discharge borehole of claim 1, wherein: the driving unit comprises a battery and a motor, the battery and the motor are both arranged in the outer barrel, the battery is connected with the motor through a cable, and a rotating shaft of the motor is connected with the driving gear.
9. The acoustic sensor coupling apparatus for use in a mine pre-extraction gas discharge borehole of claim 8, wherein: the control handle is connected with the control end of the motor through a signal cable.
10. The acoustic sensor coupling apparatus for a mine pre-extraction gas discharge borehole of claim 1, wherein: the outer barrel is connected with the lower end of the handle, and the handle is connected with the outer barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120595567.3U CN214532941U (en) | 2021-03-24 | 2021-03-24 | Acoustic wave sensor coupling device for pre-pumping gas emission drilling of mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120595567.3U CN214532941U (en) | 2021-03-24 | 2021-03-24 | Acoustic wave sensor coupling device for pre-pumping gas emission drilling of mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214532941U true CN214532941U (en) | 2021-10-29 |
Family
ID=78265120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120595567.3U Expired - Fee Related CN214532941U (en) | 2021-03-24 | 2021-03-24 | Acoustic wave sensor coupling device for pre-pumping gas emission drilling of mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214532941U (en) |
-
2021
- 2021-03-24 CN CN202120595567.3U patent/CN214532941U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211029 |
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| CF01 | Termination of patent right due to non-payment of annual fee |