Coal mine goaf accumulated water detection device

Abstract

The utility model relates to the technical field of goaf accumulated water detection, and discloses a coal mine goaf accumulated water detection device which comprises a transient electromagnetic instrument and a detector and further comprises a vehicle body, a through groove is formed in the vehicle body, a bottom plate is connected in the through groove in a sliding mode, an installation groove is formed in the bottom plate, and the detector is detachably installed on the bottom plate. The detector is installed on the bottom plate, the vehicle body is used for moving the detector installed on the bottom plate, and the detector is in contact with the ground through the lifting assembly, so that the effect of moving and placing the detector at multiple points is achieved, and the transient electromagnetic instrument can obtain more data; the accuracy of goaf ponding detection data of the transient electromagnetic instrument is guaranteed, and the winding position of the winding assembly is adjusted through the supporting assembly, so that the vehicle body can automatically wind and unwind the connecting line no matter the vehicle body transversely walks or longitudinally walks relative to the transient electromagnetic instrument.

Description

Technical Field

[0001] The utility model relates to the technical field of water accumulation detection in goaf areas, in particular to a water accumulation detection device in goaf areas of coal mines. Background Art

[0002] After coal mine exploration and mining, the goaf areas left behind have great hidden dangers. In order to avoid affecting the surrounding mines, the accumulated water in the goaf areas after mining must be monitored regularly to avoid erosion and collapse of the goaf areas. The existing mine goaf water detection devices mostly use transient electromagnetic instruments for monitoring. When the existing transient electromagnetic instruments are in use, one end of the water detection rope with a plug is plugged into the transient electromagnetic instrument, and the other end is laid in the goaf to be monitored, so as to realize the monitoring of the water body in the goaf area of ​​the coal mine.

[0003] A Chinese patent with publication number CN220271575U discloses a device for detecting water accumulation in coal mine goafs, in which a bracket is unfolded above the goaf, and a rotating drum can better lower the water accumulation detection rope wound thereon into the goaf, making the deployment of the water accumulation detection rope more convenient. Since the bracket can be storable, the water accumulation detection rope can be easily carried.

[0004] The device uses a drum winding method to move the detection end down to the goaf for detection. However, the transient electromagnetic method is a surface detection technology, which can be performed on the surface. It obtains underground electrical structure information by analyzing the response of the underground medium to the transient electromagnetic field. The detection end is suspended in a single position, and the detection data is not comprehensive. In addition, if water accumulation detection is performed on multiple points in the goaf, the detection end needs to be pulled up and lowered many times, and the detection efficiency is slow. Utility Model Content

[0005] In view of this, the purpose of the utility model is to provide a coal mine goaf water accumulation detection device, which effectively solves the problem that the existing goaf water accumulation detection device places the detection end in the air at a single position, resulting in incomplete detection data, and if water accumulation detection is performed on multiple points in the goaf, the detection end needs to be pulled up and lowered for multiple times, and there is also the problem of slow detection efficiency.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a coal mine goaf water accumulation detection device, including a transient electromagnetic instrument and a detector, and also including a vehicle body, the vehicle body is provided with a through groove, a bottom plate is slidably connected in the through groove, a mounting groove is provided on the bottom plate, the detector is detachably mounted on the bottom plate, and the detection end of the detector passes through the mounting groove and extends to the bottom of the bottom plate, a lifting assembly for lifting and moving the detector is provided on the vehicle body, and a winding assembly for retracting and releasing the connecting line between the detector and the transient electromagnetic instrument and a support assembly for supporting the winding assembly in multiple positions are also provided on the vehicle body.

[0007] Furthermore, a connecting frame is provided above the bottom plate, a connecting rod is fixedly connected to the connecting frame, and the bottom end of the connecting rod is fixedly connected to the bottom plate.

[0008] Furthermore, a fixing plate is slidably connected to the connecting rod, and the fixing plate is fixedly connected to the vehicle body. A first spring is sleeved on the connecting rod, and the first spring is located between the connecting frame and the fixing plate.

[0009] Furthermore, the lifting assembly includes an electric push rod fixedly connected to the vehicle body, and the telescopic end of the electric push rod is fixedly connected to the connecting frame.

[0010] Furthermore, the winding assembly includes a placing table, a support is installed on the placing table, a bidirectional motor is fixedly connected to the support, and an output shaft of the bidirectional motor is fixedly connected to a winding drum.

[0011] Furthermore, the support assembly includes a vertical pole fixedly connected to the placement table, a clamping block is fixedly connected to the vertical pole, and a clamping slot matching the vertical pole and the clamping block is formed on the vehicle body.

[0012] Furthermore, the support assembly also includes a linkage plate rotatably connected to the vertical pole, the linkage plate is slidably connected to a guide shaft, and the bottom end of the guide shaft is fixedly connected to the vehicle body, the top end of the guide shaft is fixedly connected to a limiting plate, a second spring is sleeved on the guide shaft, and the second spring is located between the limiting plate and the linkage plate.

[0013] Furthermore, walking rollers are installed on the vehicle body.

[0014] Furthermore, two planar blocks are installed on the bottom plate by means of bolts, and the detector is installed on the bottom plate by means of the planar blocks.

[0015] The beneficial effects of the above technical solution are:

[0016] The utility model achieves the effect of multi-point movement and placement of the detector through the coordinated arrangement of the vehicle body, the base plate, the lifting assembly, the winding assembly and the supporting assembly, by installing the detector on the base plate, using the vehicle body to move the detector installed on the base plate, and completing the contact between the detector and the ground through the lifting assembly, so that the transient electromagnetic instrument can obtain more data, and the accuracy of the transient electromagnetic instrument's detection data of water accumulation in the goaf is guaranteed. The winding position of the winding assembly is adjusted through the supporting assembly, so that the vehicle body can automatically retract and release the connecting line regardless of whether it is moving horizontally or vertically relative to the transient electromagnetic instrument. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model from a side view;

[0018] Figure 2 It is a schematic diagram of the overall structure of the utility model from a top view;

[0019] Figure 3 It is a cross-sectional view of the utility model.

[0020] Figure numerals: 1. detector; 2. vehicle body; 3. walking roller; 4. through slot; 5. connecting frame; 6. connecting rod; 7. bottom plate; 8. mounting slot; 9. block; 10. fixing plate; 11. first spring; 12. electric push rod; 13. placing table; 14. support; 15. bidirectional motor; 16. winding drum; 17. vertical pole; 18. clamping block; 19. clamping slot; 20. linkage plate; 21. guide shaft; 22. limit plate; 23. second spring. DETAILED DESCRIPTION

[0021] The utility model is further described in detail below with reference to the accompanying drawings and specific implementation methods:

[0022] Reference Figure 1-3 A device for detecting water accumulation in coal mine goaf includes a transient electromagnetic instrument and a detector 1, and also includes a vehicle body 2. A walking roller 3 is installed on the vehicle body 2. The vehicle body 2 can be moved by using the walking roller 3, and the walking roller 3 can be controlled and connected with the transient electromagnetic instrument. The present application can also design a remote control switch to remotely control the walking roller 3. The walking roller 3 can also be moved by manual pushing. A through groove 4 is provided on the vehicle body 2, and a bottom plate 7 is slidably connected in the through groove 4. An installation groove 8 is provided on the bottom plate 7. The detector 1 can be detachably installed on the bottom plate 7, and the detection end of the detector 1 passes through the installation groove 8 and extends to the bottom of the bottom plate 7. Two several-shaped blocks 9 are installed on the bottom plate 7 by bolts, and the detector 1 is installed on the bottom plate 7 through the several-shaped blocks 9.

[0023] The detector 1 can be installed on the base plate 7 using the block 9. At this time, the detection end of the detector 1 extends through the installation groove 8 to the bottom of the base plate 7. The detector 1 can be placed against the ground to complete the water accumulation detection in the goaf.

[0024] A connecting frame 5 is arranged above the base plate 7, to which a connecting rod 6 is fixedly connected, and the bottom end of the connecting rod 6 is fixedly connected to the base plate 7. The connecting frame 5 and the connecting rod 6 can form a frame structure with the base plate 7, which completes the protection of the detector 1.

[0025] A fixing plate 10 is slidably connected to the connecting rod 6, and the fixing plate 10 is fixedly connected to the vehicle body 2. A first spring 11 is sleeved on the connecting rod 6, and the first spring 11 is located between the connecting frame 5 and the fixing plate 10. The elasticity of the first spring 11 itself can support the connecting frame 5, so that the connecting frame 5 can drive the bottom plate 7 to rise to the inside of the through groove 4 through the connecting rod 6, thereby preventing the detector 1 from touching the ground when the vehicle body 2 moves.

[0026] A lifting assembly for lifting and moving the detector 1 is provided on the vehicle body 2, and the lifting assembly includes an electric push rod 12 fixedly connected to the vehicle body 2, and the telescopic end of the electric push rod 12 is fixedly connected to the connecting frame 5. The connecting frame 5 can be driven by the telescopic end of the electric push rod 12 to move freely up and down. After the connecting frame 5 is raised, the position of the detector 1 can be adjusted, and after the connecting frame 5 is lowered, the detection end of the detector 1 can be placed against the ground for detection. The above-mentioned remote control switch can also control the electric push rod 12. This technical means is a prior art and will not be described in detail in this application.

[0027] The vehicle body 2 is also provided with a winding assembly for winding and releasing the connecting line between the detector 1 and the transient electromagnetic instrument and a supporting assembly for supporting the winding assembly in multiple positions. The winding assembly includes a placing table 13, on which a support 14 is installed, on which a bidirectional motor 15 is fixedly connected, and the output shaft of the bidirectional motor 15 is fixedly connected to a winding drum 16.

[0028] The connecting wire connecting the detector 1 and the transient electromagnetic instrument can be wound on the winding drum 16, and the winding drum 16 is driven to rotate by the output shaft of the bidirectional motor 15 to complete the retraction and release of the connecting wire. The above-mentioned remote control switch can also control the forward and reverse rotation of the bidirectional motor 15. This technical means is a prior art and will not be described in detail in this application.

[0029] The supporting assembly includes a vertical pole 17 fixedly connected to the placing table 13, and a clamping block 18 is fixedly connected to the vertical pole 17. A clamping slot 19 matching the vertical pole 17 and the clamping block 18 is opened on the vehicle body 2. The clamping block 18 is cross-designed, and the vertical pole 17 carrying the clamping block 18 can be inserted into the inside of the clamping slot 19 to limit the rotation of the vertical pole 17, and the vertical pole 17 can be rotated and then inserted into the clamping slot 19 again to complete the position adjustment of the winding assembly.

[0030] The support assembly also includes a linkage plate 20 rotatably connected to the vertical rod 17, a guide shaft 21 is slidably connected to the linkage plate 20, and the bottom end of the guide shaft 21 is fixedly connected to the vehicle body 2, the top end of the guide shaft 21 is fixedly connected to the limit plate 22, a second spring 23 is sleeved on the guide shaft 21, and the second spring 23 is located between the limit plate 22 and the linkage plate 20.

[0031] The elasticity of the second spring 23 is utilized to push the linkage plate 20 downward, so that the linkage plate 20 applies a downward thrust to the vertical rod 17 , thereby ensuring the stability of the vertical rod 17 when inserted into the slot 19 .

[0032] Working principle: First, according to the position of the worker holding the transient electromagnetic instrument and the position where the vehicle body 2 needs to move, the position of the winding assembly is adjusted, that is, the placement table 13 drives the vertical rod 17 to move upward, and the vertical rod 17 carrying the card block 18 is pulled out from the inside of the card slot 19, and the vertical rod 17 drives the winding assembly to rotate, so that the position of the winding assembly retracting and releasing connecting line is adapted to the worker. Then, the worker can control the walking roller 3 through the remote control switch, so that the vehicle body 2 walks on the ground through the walking roller 3 and moves to a suitable position. At this time, the remote control switch can control the bidirectional motor 15, and the output shaft of the bidirectional motor 15 drives the winding drum 16 to rotate, so that By completing the winding and loosening operations of the connecting line, the vehicle body 2 can automatically retract and release the connecting line regardless of whether it is moving horizontally or vertically relative to the transient electromagnetic instrument. Subsequently, the electric push rod 12 is controlled by the remote control switch, so that the telescopic end of the electric push rod 12 drives the connecting frame 5 to move downward, and the connecting frame 5 drives the bottom plate 7 to descend through the connecting rod 6, so that the detection end of the detector 1 is in contact with the ground. Finally, the worker can detect the current position through the detection end and the transient electromagnetic instrument, repeat the above actions, and perform multi-point and multi-position detection, so that the transient electromagnetic instrument can obtain more data, thereby ensuring the accuracy of the transient electromagnetic instrument's detection data on water accumulation in the goaf.

Claims

1. A device for detecting water accumulation in coal mine goaf, comprising a transient electromagnetic instrument and a detector (1), characterized in that: The invention also comprises a vehicle body (2), wherein a through slot (4) is provided on the vehicle body (2), a bottom plate (7) is slidably connected in the through slot (4), a mounting slot (8) is provided on the bottom plate (7), the detector (1) is detachably mounted on the bottom plate (7), and a detection end of the detector (1) passes through the mounting slot (8) and extends to the bottom of the bottom plate (7), a lifting assembly for lifting and moving the detector (1) is provided on the vehicle body (2), and a reeling assembly for retracting and releasing a connecting line between the detector (1) and the transient electromagnetic instrument and a support assembly for supporting the reeling assembly in multiple positions are also provided on the vehicle body (2).

2. A coal mine goaf water detection device according to claim 1, characterized in that: A connecting frame (5) is arranged above the bottom plate (7), a connecting rod (6) is fixedly connected to the connecting frame (5), and the bottom end of the connecting rod (6) is fixedly connected to the bottom plate (7).

3. A coal mine goaf water detection device according to claim 2, characterized in that: A fixing plate (10) is slidably connected to the connecting rod (6), and the fixing plate (10) is fixedly connected to the vehicle body (2). A first spring (11) is sleeved on the connecting rod (6), and the first spring (11) is located between the connecting frame (5) and the fixing plate (10).

4. A coal mine goaf water detection device according to claim 2, characterized in that: The lifting assembly comprises an electric push rod (12) fixedly connected to the vehicle body (2), and the telescopic end of the electric push rod (12) is fixedly connected to the connecting frame (5).

5. A coal mine goaf water detection device according to claim 1, characterized in that: The winding assembly comprises a placement table (13), a support (14) is mounted on the placement table (13), a bidirectional motor (15) is fixedly connected to the support (14), and an output shaft of the bidirectional motor (15) is fixedly connected to a winding drum (16).

6. A coal mine goaf water detection device according to claim 5, characterized in that: The support assembly comprises a vertical pole (17) fixedly connected to the placement platform (13), a clamping block (18) fixedly connected to the vertical pole (17), and a clamping slot (19) matching the vertical pole (17) and the clamping block (18) is provided on the vehicle body (2).

7. A coal mine goaf water detection device according to claim 6, characterized in that: The support assembly further comprises a linkage plate (20) rotatably connected to the upright pole (17); a guide shaft (21) is slidably connected to the linkage plate (20); the bottom end of the guide shaft (21) is fixedly connected to the vehicle body (2); the top end of the guide shaft (21) is fixedly connected to a limit plate (22); a second spring (23) is sleeved on the guide shaft (21); and the second spring (23) is located between the limit plate (22) and the linkage plate (20).

8. A coal mine goaf water detection device according to claim 1, characterized in that: Travel rollers (3) are installed on the vehicle body (2).

9. A coal mine goaf water detection device according to claim 1, characterized in that: Two geometric blocks (9) are mounted on the base plate (7) via bolts, and the detector (1) is mounted on the base plate (7) via the geometric blocks (9).

Images