Mining settlement detector

By designing a settlement detector for mining, using the combination of support seat, support frame and detection components, the problem that traditional detection devices cannot effectively detect unevenness in the bottom of the cavity in the goaf is achieved, and efficient and accurate settlement detection.

CN222505397UActive Publication Date: 2025-02-18ANHUI UNIV
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421254911.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-02-18
Estimated Expiration
2034-06-04

Smart Images

  • Figure CN222505397U_ABST
    Figure CN222505397U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of mining, and discloses a mining settlement detector which comprises a supporting seat, the supporting seat is of an annular structure, a supporting frame is installed on the supporting seat, the supporting frame is of a U-shaped structure, a rotating mechanism connected with the supporting frame is arranged on the supporting seat, and movable and fixed switching mechanisms are symmetrically installed on the supporting seat. A moving mechanism is arranged on the supporting frame, a detection assembly is connected to the moving mechanism, the detection assembly comprises a threaded seat, a mounting rod is fixedly connected to the bottom end of the threaded seat, an alarm lamp is mounted on one side of the mounting rod, and an electric telescopic rod is mounted at the bottom end of the mounting rod; under the action of the moving mechanism and the rotating mechanism, the position of the detection assembly can be flexibly adjusted, depth detection can be conveniently carried out on different positions of the bottom end of an inner cavity of a mine goaf, the accuracy of settlement detection is effectively improved, meanwhile, when the position of the detection assembly is adjusted, a supporting seat can be prevented from being moved, and the working efficiency is improved. And the detection efficiency is effectively improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of mining, in particular to a mining settlement detector. Background Art

[0002] Mines include coal mines, metal mines, non-metallic mines, building materials mines and chemical mines. The size of the mine should be consistent with the economically reasonable service life of the mine. There are many goafs in the mines. The existence of goafs makes the safe production of mines face great safety problems. People and mechanical equipment may fall into the goafs and be injured. People need to monitor the goafs in real time to control the settlement of the goafs. However, the traditional mine goaf settlement detection device has poor detection effect on the settlement of the goaf, which will bring great harm to the life safety of personnel.

[0003] A Chinese utility model patent with announcement number CN 211477090 U discloses a device for detecting displacement and settlement of a mine goaf. Through the cooperation of a lifting mechanism, a touch sensor, a scale, a fixed column and a fixed box, the user can contact the touch sensor with the bottom of the inner cavity of the goaf, and then observe the reading of the scale corresponding to the top of the rack plate, and compare it with the reading recorded last time, so as to complete the settlement detection, thereby solving the problem of poor settlement detection effect of the goaf. However, when the goaf settles, the bottom of its inner cavity will appear uneven. After the fixed frame is fixed to the mine ground, the rack plate can only drive the touch sensor to rise and fall in the inner cavity of the goaf, but cannot drive the touch sensor to detect different positions at the bottom of the inner cavity of the goaf. When the detection position of the touch sensor needs to be changed, the fixed frame needs to be moved repeatedly, which will result in low settlement detection efficiency in the process. Utility Model Content

[0004] In order to solve the problem that the bottom of the inner cavity of the goaf becomes uneven when it settles, after the fixed frame is fixed to the mine ground, the rack plate cannot drive the touch sensor to detect different positions of the bottom of the inner cavity of the goaf. When the detection position of the touch sensor needs to be changed, the fixed frame needs to be moved repeatedly. In this process, the technical problem of low settlement detection efficiency is caused. The utility model provides a mining settlement detector.

[0005] The utility model is implemented by the following technical scheme: a mining settlement detector comprises a support seat, which is an annular structure, a support frame is installed on the support seat, the support frame is a U-shaped structure, a rotating mechanism connected to the support frame is provided on the support seat, a movable fixed switching mechanism is symmetrically installed on the support seat, a movable mechanism is provided on the support frame, a detection component is connected to the movable mechanism, the detection component comprises a threaded seat, a mounting rod is fixedly connected to the bottom end of the threaded seat, an alarm light is installed on one side of the mounting rod, an electric telescopic rod is installed at the bottom end of the mounting rod, the output end of the electric telescopic rod is connected to the detection seat, a touch block is slidably installed inside the detection seat, a touch switch is fixedly connected to the top inner wall of the detection seat, the top inner wall of the detection seat and the touch block are connected by a spring, the touch switch is electrically connected to the alarm light, and a length marking unit is installed between the detection seat and the mounting rod.

[0006] As a further improvement of the above scheme, the length marking unit includes a tape measure body installed on one side of the mounting rod, a measuring rope fixed to the top of the detection seat is wound on the tape measure body, a fixing rod is fixed to the side of the mounting rod away from the tape measure body, a ring is provided at the bottom end of the fixing rod and is sleeved on the outside of the electric telescopic rod, a pointer located on one side of the measuring rope is fixed to one side of the ring, and a limiting ring is provided on the outer wall of the electric telescopic rod and is sleeved on the outside of the measuring rope.

[0007] As a further improvement of the above scheme, the moving mechanism includes a motor 1 installed on the side wall of the support frame, the output shaft of the motor 1 is connected to a screw rod, the screw rod passes through the interior of the threaded seat, and the screw rod is threadedly connected to the threaded seat, a slider is fixed to the top of the threaded seat, and a sliding groove is provided at the top of the support frame to be slidably connected to the slider.

[0008] As a further improvement of the above scheme, the rotating mechanism includes a gear ring mounted on the outer wall of the support frame, a motor 2 is fixedly connected to one side of the top end of the support seat, a gear 1 is connected to the output shaft of the motor 2, and the gear 1 is meshingly connected to the gear ring, a moving block is provided at the bottom end of the support frame, a moving groove is opened at the top end of the support seat, the moving block slides inside the moving groove, and the longitudinal sections of the moving block and the moving groove are both T-shaped structures.

[0009] As a further improvement of the above scheme, the movable fixed switching mechanism includes a receiving groove symmetrically opened inside the support seat, the inner wall of the receiving groove is fixedly connected to motor three, the output shaft of motor three is connected to gear two, the inner wall of the receiving groove is slidably installed with a tooth plate, the two tooth plates are symmetrically arranged around the center of gear two, and the two tooth plates are both meshed and connected with gear two, the bottom end of one of the tooth plates is fixedly connected to a mounting plate, the bottom end of the mounting plate is symmetrically installed with an insertion rod that passes through the bottom end of the support seat, sliding openings are symmetrically opened on both sides of the support seat, one side of the other tooth plate is fixedly connected to a sliding rod that slides inside the sliding opening, and one end of the sliding rod is installed with a moving wheel.

[0010] As a further improvement of the above solution, stabilizing bars are installed at the top and bottom ends of the accommodating groove, and stabilizing grooves sleeved on the outside of the stabilizing bars are formed on the two tooth plates.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. The utility model facilitates the adjustment of the movement of the moving wheel and the insertion rod through the design of the support seat, the support frame, the detection component and the mobile fixed switching mechanism. When the support seat needs to be moved, the insertion rod is moved up and the moving wheel is in contact with the ground. When the support seat needs to be fixed, the moving wheel is moved up and the insertion rod is inserted into the ground, thereby effectively improving the stability of the settlement detection of the detection component. At the same time, through the design of the mounting rod, the electric telescopic rod, the detection seat, the alarm light, the touch block and the length marking unit, after the touch block moves to be flush with the bottom surface of the detection seat, the touch block makes the touch switch work to light up the alarm light, so that the staff can know that the detection seat has contacted the bottom end of the inner cavity of the goaf. At this time, the staff can calculate the depth by the position of the pointer on the measuring rope, and then compare it with the previously recorded readings to know the settlement depth, thereby effectively completing the mining settlement detection work;

[0013] 2. Through the action of the moving mechanism and the rotating mechanism, the position of the detection component can be flexibly adjusted, which is convenient for depth detection of different positions at the bottom of the inner cavity of the mine goaf, effectively improving the accuracy of settlement detection. At the same time, when adjusting the position of the detection component, the support seat can be avoided from being moved, thereby effectively improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the overall structure of a mining settlement detector provided in Example 1 of the utility model;

[0015] Figure 2 for Figure 1 Sectional view connecting with the mine goaf;

[0016] Figure 3 for Figure 2 Schematic diagram of the structure of the detection component;

[0017] Figure 4 for Figure 2 The enlarged structural diagram at A in the middle;

[0018] Figure 5 This is the connection diagram between the support frame and the ring gear.

[0019] Description of main symbols:

[0020] 1. Support seat; 2. Support frame; 3. Insert rod; 4. Threaded seat; 5. Mounting rod; 6. Electric telescopic rod; 7. Detection seat; 8. Warning light; 9. Mounting plate; 10. Touch block; 11. Slide; 12. Measuring rope; 13. Moving wheel; 14. Spring; 15. Touch switch; 16. Tape measure body; 17. Fixed rod; 18. Ring; 19. Limit ring; 20. Pointer; 21. Slider; 22. Motor 1; 23. Screw; 24. Slide; 25. Moving groove; 26. Moving block; 27. Gear ring; 28. Motor 2; 29. ​​Gear 1; 30. Accommodating groove; 31. Motor 3; 32. Tooth plate; 33. Slider; 34. Gear 2. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0022] Embodiment 1:

[0023] Please combine Figures 1 to 5 A mining settlement detector of the present embodiment includes a support seat 1, which is a ring structure. A support frame 2 is installed on the support seat 1, and the support frame 2 is a U-shaped structure. A rotating mechanism connected to the support frame 2 is provided on the support seat 1, and a mobile fixed switching mechanism is symmetrically installed on the support seat 1. The support frame 2 is provided with a mobile mechanism, and a detection component is connected to the mobile mechanism. The detection component includes a threaded seat 4, and a mounting rod 5 is fixedly connected to the bottom end of the threaded seat 4. An alarm light 8 is installed on one side of the mounting rod 5. An electric telescopic rod 6 is installed at the bottom end of the mounting rod 5, and the output end of the electric telescopic rod 6 is connected to a detection seat 7. A touch block 10 is slidably installed inside the detection seat 7, and a touch switch 15 is fixedly connected to the top inner wall of the detection seat 7. The top inner wall of the detection seat 7 is connected to the touch block 10 by a spring 14. The touch switch 15 is electrically connected to the alarm light 8, and a length marking unit is installed between the detection seat 7 and the mounting rod 5.

[0024] The length marking unit includes a tape measure body 16 installed on one side of the mounting rod 5, a measuring rope 12 fixedly connected to the top of the detection seat 7 is wound on the tape measure body 16, a fixing rod 17 is fixedly connected to the side of the mounting rod 5 away from the tape measure body 16, a ring 18 sleeved on the outside of the electric telescopic rod 6 is provided at the bottom end of the fixing rod 17, a pointer 20 located on one side of the measuring rope 12 is fixedly connected to one side of the ring 18, and a limiting ring 19 sleeved on the outside of the measuring rope 12 is provided on the outer wall of the electric telescopic rod 6;

[0025] After the staff moves the support seat 1 to the position of the mine goaf, the design of the mobile fixed switching mechanism facilitates the fixation of the support seat 1 to avoid displacement of the support seat 1. Then, the position of the detection component can be flexibly adjusted through the action of the moving mechanism and the rotating mechanism, which is convenient for depth detection of different positions at the bottom of the inner cavity of the mine goaf, effectively improving the accuracy of settlement detection. At the same time, when adjusting the position of the detection component, the movement of the support seat 1 can be avoided, thereby effectively improving the detection efficiency. During the detection, the electric telescopic rod 6 is first started, and the electric telescopic rod 6 will drive the detection seat 7 to move downward, which will cause the measuring rope 12 to move downward synchronously. When the touch block 10 at the bottom of the detection seat 7 touches the mine, the electric telescopic rod 6 will be turned on. After reaching the bottom of the inner cavity of the goaf, as the detection seat 7 continues to move downward, the touch block 10 will be squeezed by the bottom and moved into the detection seat 7, thereby compressing the spring 14. When the touch block 10 moves to be flush with the bottom surface of the detection seat 7, the touch block 10 will touch the touch switch 15, causing the touch switch 15 to work, which will light up the alarm light 8 and then stop the electric telescopic rod 6. At the same time, the lighting of the alarm light 8 makes it easy for the staff to know that the detection seat 7 has contacted the bottom of the inner cavity of the goaf. At this time, the staff can calculate the depth by the position of the pointer 20 on the measuring rope 12, and then complete the detection of mine subsidence by comparing the measured values ​​at different positions with the previous detection.

[0026] The moving mechanism includes a motor 22 mounted on the side wall of the support frame 2, the output shaft of the motor 22 is connected to a screw rod 23, the screw rod 23 penetrates the interior of the threaded seat 4, and the screw rod 23 is threadedly connected to the threaded seat 4, a slider 21 is fixed to the top of the threaded seat 4, and a slide groove 24 slidably connected to the slider 21 is provided at the top of the support frame 2;

[0027] When the goaf of a mine settles, the depth of its bottom will be uneven. Therefore, by starting the motor 22, the motor 22 will drive the screw rod 23 to rotate. Through the threaded connection between the screw rod 23 and the threaded seat 4 and the sliding connection between the threaded seat 4 and the slide groove 24, the threaded seat 4 will move, and then the mounting rod 5, the electric telescopic rod 6, the detection seat 7, the touch block 10 and the measuring rope 12 will be driven to move synchronously, so as to facilitate the depth detection of different positions at the bottom of the inner cavity of the goaf, and effectively improve the accuracy of settlement detection.

[0028] The rotating mechanism includes a gear ring 27 sleeved on the outer wall of the support frame 2, a motor 28 is fixedly connected to one side of the top of the support seat 1, and the output shaft of the motor 28 is connected to a gear 29, and the gear 29 is meshed with the gear ring 27. A moving block 26 is provided at the bottom end of the support frame 2, and a moving groove 25 is provided at the top of the support seat 1. The moving block 26 slides inside the moving groove 25, and the longitudinal sections of the moving block 26 and the moving groove 25 are both T-shaped structures. It should be noted here that a ball is embedded at the bottom end of the moving block 26 to reduce friction when the moving block 26 moves, and a support slide rod is fixedly connected to the top of the support seat 1 at an equal distance, and an annular slideway is provided at the bottom end of the gear ring 27 to slide on the top of the support slide rod;

[0029] Since the support seat 1 is fixed to the mine, in order to realize the depth detection of different positions at the bottom of the inner cavity of the goaf, by starting the motor 28, the motor 28 drives the gear 1 29 to rotate, and the meshing connection relationship between the gear 1 29 and the ring gear 27 will cause the ring gear 27 to rotate, and the ring gear 27 drives the support frame 2 to rotate, and the support frame 2 will drive the moving block 26 to slide inside the moving groove 25, and then the support frame 2 will drive the installation rod 5, the electric telescopic rod 6, the detection seat 7, the touch block 10 and the measuring rope 12 to move synchronously, so as to facilitate the depth detection of different positions at the bottom of the inner cavity of the goaf, and the movement of the support seat 1 can be avoided during the position adjustment process, thereby effectively improving the settlement detection efficiency.

[0030] The mobile fixed switching mechanism includes a receiving groove 30 symmetrically opened inside the support seat 1, a motor 31 is fixedly connected to the inner wall of the receiving groove 30, a gear 2 34 is connected to the output shaft of the motor 31, a tooth plate 32 is slidably installed on the inner wall of the receiving groove 30, the two tooth plates 32 are symmetrically arranged around the center of the gear 2 34, and the two tooth plates 32 are meshed and connected with the gear 2 34, a mounting plate 9 is fixedly connected to the bottom end of one of the tooth plates 32, a plug rod 3 penetrating the bottom end of the support seat 1 is symmetrically installed on the bottom end of the mounting plate 9, a sliding opening 11 is symmetrically opened on both sides of the support seat 1, a sliding rod 33 sliding inside the sliding opening 11 is fixedly connected to one side of the other tooth plate 32, a moving wheel 13 is installed at one end of the sliding rod 33, a stabilizing bar is installed at the top and bottom ends of the receiving groove 30, and a stabilizing groove sleeved on the outside of the stabilizing bar is opened on the two tooth plates 32;

[0031] When the support base 1 needs to be moved, the motor 31 is started, and the motor 31 drives the gear 2 34 to rotate. Through the meshing connection relationship between the gear 2 34 and the toothed plate 32, the movement directions of the two toothed plates 32 are opposite, and the toothed plate 32 drives the stabilizing groove to slide on the outside of the stabilizing rod, so that one of the toothed plates 32 drives the mounting plate 9 and the plug rod 3 to move up, and the plug rod 3 moves to the inside of the accommodating groove 30, and the other toothed plate 32 drives the sliding rod 33 to slide inside the sliding mouth 11, and then the sliding rod 33 drives the moving wheel 13 to move down, so that the bottom end of the moving wheel 13 moves to below the bottom end of the support base 1, so that the moving wheel 13 contacts the ground, which is convenient for pushing the support base 1 to move. When the support base 1 moves to the appropriate position, the motor 31 is started to reverse, which will cause the moving wheel 13 to move up, so that the support base 1 contacts the mine, and at the same time, the mounting plate 9 will drive the plug rod 3 to move down, so that the plug rod 3 is inserted into the mine, which can realize the fixation of the support base 1, effectively avoiding the displacement phenomenon during the settlement detection, thereby improving the detection stability.

[0032] The implementation principle of a mining settlement detector in the embodiment of the present application is as follows: when the support seat 1 needs to be moved, the motor 31 is started, and the motor 31 drives the gear 2 34 to rotate. Through the meshing connection relationship between the gear 2 34 and the tooth plate 32, the movement directions of the two tooth plates 32 are opposite, and the tooth plate 32 drives the stabilizing groove to slide on the outside of the stabilizing rod, so that one of the tooth plates 32 drives the mounting plate 9 and the insertion rod 3 to move up, and the insertion rod 3 moves to the inside of the accommodating groove 30, and the other tooth plate 32 drives the sliding rod 33 to slide inside the sliding mouth 11 The sliding rod 33 will drive the moving wheel 13 to move downward, so that the bottom end of the moving wheel 13 moves to below the bottom end of the support seat 1, so that the moving wheel 13 can contact the ground and push the support seat 1 to move. When the support seat 1 moves to a suitable position, the motor 31 is started to reverse, which will move the moving wheel 13 upward, so that the support seat 1 contacts the mine. At the same time, the mounting plate 9 will drive the insertion rod 3 to move downward, so that the insertion rod 3 is inserted into the mine, which can realize the fixation of the support seat 1, effectively avoiding the displacement phenomenon during the settlement detection, thereby improving the detection stability.

[0033] During the detection, the electric telescopic rod 6 is first started, and the electric telescopic rod 6 will drive the detection seat 7 to move downward, and the measuring rope 12 will move downward synchronously. When the touch block 10 at the bottom of the detection seat 7 touches the bottom of the inner cavity of the mine goaf, as the detection seat 7 continues to move downward, the touch block 10 will be squeezed by the bottom and move into the detection seat 7, so as to compress the spring 14. When the touch block 10 moves to be flush with the bottom surface of the detection seat 7, the touch block 10 will touch the touch switch 15, so that the touch switch 15 works, the alarm light 8 will light up, and then the electric telescopic rod 6 will stop working. At the same time, the lighting of the alarm light 8 makes it easy for the staff to know that the detection seat 7 has contacted the bottom of the inner cavity of the goaf. At this time, the staff can calculate the depth by the position of the pointer 20 on the measuring rope 12, and then complete the detection of mine settlement by comparing the measured values ​​at different positions with the previous detection;

[0034] Since the depth of the bottom of the mine will be uneven during mining and settlement, it is necessary to detect different positions of the bottom. Then, the motor 22 is started, and the motor 22 drives the screw rod 23 to rotate. The screw rod 23 and the threaded seat 4 are connected by a thread, and the threaded seat 4 and the sliding connection between the threaded seat 4 and the slide groove 24 are matched, so that the threaded seat 4 moves, and then the installation rod 5, the electric telescopic rod 6, the detection seat 7, the touch block 10 and the measuring rope 12 move synchronously, so as to facilitate the depth detection of different positions at the bottom of the inner cavity of the goaf, and effectively improve the accuracy of settlement detection.

[0035] Since the support seat 1 is fixed to the mine, in order to realize the depth detection of different positions of the settlement bottom, by starting the motor 28, the motor 28 drives the gear 1 29 to rotate, and the meshing connection relationship between the gear 1 29 and the ring gear 27 will make the ring gear 27 rotate, and the ring gear 27 drives the support frame 2 to rotate, and the support frame 2 will drive the moving block 26 to slide inside the moving groove 25, and then the support frame 2 will drive the installation rod 5, the electric telescopic rod 6, the detection seat 7, the touch block 10 and the measuring rope 12 to move synchronously, so as to facilitate the depth detection of different positions at the bottom of the inner cavity of the goaf, and the support seat 1 can be avoided from being moved during the position adjustment process, thereby effectively improving the settlement detection efficiency.

[0036] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A mining settlement detector, characterized in that: The invention comprises a support seat, which is a ring-shaped structure, a support frame is installed on the support seat, the support frame is a U-shaped structure, a rotating mechanism connected to the support frame is provided on the support seat, a movable fixed switching mechanism is symmetrically installed on the support seat, a movable mechanism is provided on the support frame, a detection component is connected to the movable mechanism, the detection component comprises a threaded seat, a mounting rod is fixedly connected to the bottom end of the threaded seat, an alarm light is installed on one side of the mounting rod, an electric telescopic rod is installed at the bottom end of the mounting rod, the output end of the electric telescopic rod is connected to the detection seat, a touch block is slidably installed inside the detection seat, a touch switch is fixedly connected to the top inner wall of the detection seat, the top inner wall of the detection seat is connected to the touch block by a spring, the touch switch is electrically connected to the alarm light, and a length marking unit is installed between the detection seat and the mounting rod.

2. The mining settlement detector according to claim 1, characterized in that: The length marking unit includes a tape measure body installed on one side of a mounting rod, a measuring rope fixedly connected to the top of a detection seat is wound on the tape measure body, a fixing rod is fixedly connected to the side of the mounting rod away from the tape measure body, a ring is provided at the bottom end of the fixing rod and is sleeved on the outside of the electric telescopic rod, a pointer located on one side of the measuring rope is fixedly connected to one side of the ring, and a limiting ring is provided on the outer wall of the electric telescopic rod and is sleeved on the outside of the measuring rope.

3. The mining settlement detector according to claim 1, characterized in that: The moving mechanism includes a motor 1 installed on the side wall of the support frame, the output shaft of the motor 1 is connected to a screw rod, the screw rod passes through the interior of the threaded seat, and the screw rod is threadedly connected to the threaded seat, a slider is fixed to the top of the threaded seat, and a sliding groove is provided at the top of the support frame to be slidably connected to the slider.

4. The mining settlement detector according to claim 1, characterized in that: The rotating mechanism includes a gear ring mounted on the outer wall of the support frame, a motor 2 is fixedly connected to one side of the top end of the support seat, a gear 1 is connected to the output shaft of the motor 2, and the gear 1 is meshed with the gear ring, a moving block is provided at the bottom end of the support frame, a moving groove is opened at the top end of the support seat, the moving block slides inside the moving groove, and the longitudinal sections of the moving block and the moving groove are both T-shaped structures.

5. The mining settlement detector according to claim 1, characterized in that: The movable fixed switching mechanism includes a receiving groove symmetrically opened inside the support seat, the inner wall of the receiving groove is fixedly connected to motor three, the output shaft of motor three is connected to gear two, the inner wall of the receiving groove is slidably installed with a tooth plate, the two tooth plates are symmetrically arranged around the center of gear two, and the two tooth plates are both meshed and connected with gear two, the bottom end of one of the tooth plates is fixedly connected to a mounting plate, the bottom end of the mounting plate is symmetrically installed with an insertion rod that passes through the bottom end of the support seat, and sliding openings are symmetrically opened on both sides of the support seat, one side of the other tooth plate is fixedly connected to a sliding rod that slides inside the sliding opening, and one end of the sliding rod is installed with a moving wheel.

6. The mining settlement detector according to claim 5, characterized in that: Stabilizing rods are installed at the top and bottom of the accommodating groove, and stabilizing grooves sleeved on the outside of the stabilizing rods are formed on the two tooth plates.

Citation Information

Patent Citations

  • Mine goaf displacement settlement detection device

    CN211477090U