Coal mine surface collapse depth measuring device

Abstract

The utility model relates to the technical field of measuring equipment, in particular to a coal mine surface collapse depth measuring device which comprises an unmanned aerial vehicle body, a measuring mechanism and a protecting mechanism. According to the unmanned aerial vehicle disclosed by the utility model, the measuring mechanism is arranged on the rectangular shell, the mounting plate, the rectangular shell, the measuring mechanism and the protection mechanism are conveniently driven by the unmanned aerial vehicle body to move to proper positions, and a winding disc is rotated by starting a motor I, so that a connecting rope is conveniently wound or released; the height of the fixed block and the camera can be adjusted by winding or releasing the connecting rope, and then the camera is used for conveniently observing the surrounding environment, so that the positions of the unmanned aerial vehicle body and the measuring mechanism can be conveniently adjusted according to the situation, and whether the camera moves to the bottommost part of the coal mine surface collapse or not can be conveniently judged; and the encoder is used for conveniently recording the number of selected circles of the circular plate, so that the release length of the connecting rope can be conveniently measured and calculated.

Description

TECHNICAL FIELD

[0001] The utility model relates to measuring equipment technical field, concretely is a coal mine surface subsidence depth measuring device. BACKGROUND

[0002] Coal seam is generally in the deep place of tens of meters to hundreds of meters underground, after a coal area in the coal mine is mined, goaf will be formed, each rock bed above goaf will evolve into subsidence area under the action of its own gravity due to lack of support, and many new cracks perpendicular to the surface will appear around subsidence area along with the underground mining, the measurement of crack depth can predict the subsidence risk during mining, and it is convenient to take preventive measures early. But the measurement of crack depth in the prior art is mostly measured by measuring rope and measuring block, the measuring block is fixed at the front end of the measuring rope as a counterweight, the measuring block is lowered into the crack together with the measuring rope, and the crack depth is obtained by measuring the rope, but the crack contains many mud blocks, and the inner wall of the crack also has some protruding stone blocks and mud blocks, when the measuring block moves down, it is easily supported and blocked by the mud blocks and stone blocks and no longer moves down, so that the measuring personnel mistakenly think that the measuring block has reached the bottom of the crack, resulting in inaccurate measurement. When the width of some cracks is large, the staff cannot conveniently hold the measuring rope to measure the crack depth, and the operation is inconvenient and has certain danger. SUMMARY

[0003] The utility model aims at providing a coal mine surface subsidence depth measuring device to solve the problems in the background.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A coal mine surface subsidence depth measuring device comprises:

[0006] The unmanned aerial vehicle body is provided with a mounting plate fixed at the bottom, a rectangular shell is fixedly connected to the bottom of the mounting plate, a communication hole is formed in the bottom of the rectangular shell, and a storage battery and a controller are fixedly connected to the inner bottom surface of the rectangular shell.

[0007] A measuring mechanism is fixed to the rectangular shell.

[0008] A protection mechanism is arranged at the bottom of the measuring mechanism.

[0009] Further, the measuring mechanism comprises:

[0010] A winding disc is rotatably connected to the inside of the rectangular shell, a driving assembly is arranged on the outside of the winding disc, and a wire arranging assembly is arranged on the outside of the winding disc.

[0011] A connecting rope is fixed to one end of the inner wall of the winding disc, and the other end of the connecting rope is provided with a metering assembly;

[0012] A fixed block is fixed to the other end of the connecting rope, and a camera is fixed to the bottom of the fixed block and electrically connected to the battery.

[0013] Preferably, the driving assembly comprises a fixed plate, one end of the fixed plate is fixed to the inner wall of the rectangular shell, one side of the fixed plate is fixed with a motor one, the output end of the motor one is fixed with a gear one, the motor one is electrically connected to the battery, the outer side of the gear one is provided with a gear ring, the gear ring is fixedly sleeved with the outer wall of one end of the winding disc, and the gear ring is engaged with the gear one.

[0014] Preferably, the wire arranging assembly comprises a rotating rod, the rotating rod is rotatably connected to the inside of the rectangular shell, the outer end of the rotating rod is fixedly sleeved with a gear two, the gear two is engaged with the gear ring, a spiral tube is fixedly sleeved with the middle position of the outer side of the gear two, the outer side of the spiral tube is screw-connected with a moving block, one end of the moving block is in contact with one inner wall of the rectangular shell, the other end of the moving block is fixed with a guide shell three, and the inner wall of the guide shell three is slidably connected with the connecting rope.

[0015] Preferably, the metering assembly comprises:

[0016] A guide shell one is fixed to the bottom of the rectangular shell, the top of the guide shell one corresponds to the communication hole, the bottom of the guide shell one is fixedly communicated with a connecting shell, and the bottom of the connecting shell is fixedly communicated with a guide shell two, the guide shell one, the connecting shell and the guide shell two are all arranged on the outer side of the connecting rope.

[0017] An L-shaped plate is fixed to the bottom of the rectangular shell, one inner wall of the L-shaped plate is fixed with an encoder, and the output end of the encoder passes through the side wall of the connecting shell and is fixed with a circular plate, and the outer side wall of the circular plate is in extrusion contact with the connecting rope.

[0018] Further, the protection mechanism comprises:

[0019] A transparent semi-circular shell one is fixedly sleeved with the outer wall of the other end of the connecting rope, and the inner wall of the transparent semi-circular shell one is fixed with the outer wall of the fixed block.

[0020] A transparent semi-circular shell two is arranged at the bottom of the transparent semi-circular shell one.

[0021] A counterweight is fixed to the bottom of the inner side of the transparent semi-circular shell two.

[0022] A fixed shell is fixed to the inner wall of the transparent semi-circular shell one, the bottom of the fixed shell is fixed with a motor two, the output end of the motor two is fixed with a screw rod, and the motor two is electrically connected to the battery.

[0023] A connecting plate is screwed to the outside of the screw. The outer wall of the connecting plate is fixedly connected to the inner wall of the second transparent semi-circular shell. A round rod is fixedly connected to one end of the top of the connecting plate, and a round tube is provided on the outside of the round rod. The top of the round tube is fixedly connected to the inner wall of the first transparent semi-circular shell.

[0024] Preferably, the outer walls of the first and second transparent semicircular shells are fitted with transparent rubber sleeves.

[0025] Compared with the prior art, the beneficial effects of this utility model are:

[0026] 1. By setting a measuring mechanism on the rectangular shell, and using the drone body to easily move the mounting plate, rectangular shell, measuring mechanism, and protection mechanism to the appropriate position, and by starting motor one, the winding reel rotates, which facilitates the winding or releasing of the connecting rope. The winding or releasing of the connecting rope adjusts the height of the fixing block and the camera. The camera is used to observe the surrounding environment, which makes it easy to adjust the position of the drone body and the measuring mechanism according to the situation. This makes it easy to determine whether the camera has moved to the bottom of the coal mine surface collapse. When the connecting rope is released, it will rub the circular plate to rotate, and the encoder can record the selected number of rotations of the circular plate, which makes it easy to calculate the release length of the connecting rope, and thus the depth of the coal mine surface collapse, making the measurement data more accurate. Furthermore, by disassembling the drone body, the coal mine surface collapse depth measuring device can be used by hand holding the mounting plate. The multiple ways of use improve the practicality of the coal mine surface collapse depth measuring device.

[0027] 2. By setting a protective mechanism at the bottom of the measuring mechanism, and using transparent semi-circular shell one, transparent semi-circular shell two and two transparent rubber sleeves to cover and protect the camera, the camera is prevented from being damaged by bumps during use. By starting motor two, the screw is rotated and the connecting plate is limited by the round rod and round tube, which facilitates the disassembly of transparent semi-circular shell two, and thus facilitates the disassembly and maintenance of the camera. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0029] Figure 2 This is a schematic diagram of the rectangular shell structure in this utility model;

[0030] Figure 3 This is a schematic diagram of the measuring mechanism structure in this utility model;

[0031] Figure 4 This is a schematic diagram showing the positional relationship between the solenoid and the moving block in this utility model;

[0032] Figure 5 It is the protection mechanism structure schematic diagram in the utility model.

[0033] In the drawing: 100, unmanned aerial vehicle body; 110, mounting plate; 120, rectangular shell; 121, communication hole; 130, battery; 140, controller; 200, measuring mechanism; 210, winding disc; 220, connecting rope; 230, fixed block; 231, camera; 240, guide shell one; 241, connecting shell; 242, guide shell two; 250, L-shaped plate; 251, encoder; 252, round plate; 270, fixed plate; 271, motor one; 272, gear one; 273, gear ring; 280, rotating rod; 281, gear two; 282, screw pipe; 283, moving block; 284, guide shell three; 300, protection mechanism; 310, transparent semicircular shell one; 320, transparent semicircular shell two; 330, counterweight; 340, fixed shell; 341, motor two; 342, screw rod; 350, connecting plate; 351, round rod; 352, round pipe; 360, transparent rubber sleeve. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0035] Please refer to Figures 1-5 In the embodiments of the utility model, a coal mine surface subsidence depth measuring device comprises an unmanned aerial vehicle body 100, a measuring mechanism 200 and a protection mechanism 300. The bottom of the unmanned aerial vehicle body 100 is provided with a mounting plate 110. The bottom of the mounting plate 110 is fixedly connected with a rectangular shell 120. The bottom of the rectangular shell 120 is provided with a communication hole 121. The inner bottom surface of the rectangular shell 120 is fixedly connected with a battery 130 and a controller 140. The measuring mechanism 200 is fixed on the rectangular shell 120. The protection mechanism 300 is arranged at the bottom of the measuring mechanism 200.

[0036] Specifically, the unmanned aerial vehicle body 100 is used to drive the mounting plate 110, the rectangular shell 120, the measuring mechanism 200 and the protection mechanism 300 to move to a proper position. The battery 130 and the controller 140 are used to control the measuring mechanism 200 and the protection mechanism 300. The measuring mechanism 200 is used to adjust the height of the protection mechanism 300, so that the coal mine surface subsidence depth can be quickly measured.

[0037] Embodiment one

[0038] As Figures 3-4 shown in the embodiment, the measuring mechanism 200 comprises a winding disc 210, a connecting rope 220 and a fixed block 230, the winding disc 210 is rotatably connected with the inside of the rectangular shell 120, the outside of the winding disc 210 is provided with a driving assembly, and the outside of the winding disc 210 is provided with a wire arranging assembly, one end of the connecting rope 220 is fixedly connected with the inside wall of the winding disc 210, the outside of the other end of the connecting rope 220 is provided with a metering assembly, the fixed block 230 is fixedly connected with the other end of the connecting rope 220, the bottom of the fixed block 230 is fixedly connected with a camera 231, and the camera 231 is electrically connected with the battery 130, the driving assembly comprises a fixed plate 270, one end of the fixed plate 270 is fixedly connected with an inside wall of the rectangular shell 120, one side of the fixed plate 270 is fixedly connected with a motor one 271, and the output end of the motor one 271 is fixedly connected with a gear one 272, the motor one 271 is electrically connected with the battery 130, the outside of the gear one 272 is provided with a gear ring 273, the gear ring 273 is fixedly sleeved with the outside wall of one end of the winding disc 210, and the gear ring 273 is engaged with the gear one 272, the metering assembly comprises a guide shell one 240 and an L-shaped plate 250, the top of the guide shell one 240 is fixedly connected with the bottom of the rectangular shell 120, the top of the guide shell one 240 corresponds to the communication hole 121, the bottom of the guide shell one 240 is fixedly communicated with a connecting shell 241, and the bottom of the connecting shell 241 is fixedly communicated with a guide shell two 242, the guide shell one 240, the connecting shell 241 and the guide shell two 242 are all arranged on the outside of the connecting rope 220, the top of the L-shaped plate 250 is fixedly connected with the bottom of the rectangular shell 120, one inside wall of the L-shaped plate 250 is fixedly connected with an encoder 251, and the output end of the encoder 251 passes through the side wall of the connecting shell 241 and is fixedly connected with a circular plate 252, and the outside wall of the circular plate 252 is in extrusion contact with the connecting rope 220.

[0039] In the embodiment, by starting the motor one 271, the motor one 271 drives the gear one 272 to rotate, and the gear one 272 is engaged with the gear ring 273, so that the winding disc 210 rotates, thereby facilitating the winding or releasing of the connecting rope 220, the winding or releasing of the connecting rope 220 adjusts the height of the fixed block 230 and the camera 231, and the camera 231 facilitates the observation of the surrounding environment, thereby facilitating the adjustment of the position of the unmanned aerial vehicle body 100 and the measuring mechanism 200 according to the situation, thereby facilitating the judgment of whether the camera 231 moves to the bottom of the coal mine surface subsidence, and when the connecting rope 220 is released, the circular plate 252 is rubbed to rotate, and the encoder 251 is used to record the selected number of turns of the circular plate 252, thereby facilitating the calculation of the release length of the connecting rope 220, thereby facilitating the calculation of the depth of the coal mine surface subsidence, so that the measured data is more accurate, and the practicability of the coal mine surface subsidence depth measuring device is improved.

[0040] AsFigures 3-4 As shown, in this embodiment, the cable management assembly includes a rotating rod 280, which is rotatably connected to the inside of the rectangular shell 120. A gear 281 is fixedly sleeved on the outer side of one end of the rotating rod 280, and the gear 281 meshes with a gear ring 273. A screw tube 282 is fixedly sleeved at the middle position of the outer side of the gear 281. A moving block 283 is screwed onto the outer side of the screw tube 282, and one end of the moving block 283 contacts an inner sidewall of the rectangular shell 120. The other end of the moving block 283 is fixedly connected to a guide shell 284, and the inner sidewall of the guide shell 284 is slidably connected to the connecting rope 220.

[0041] In practice, when the gear ring 273 rotates, it drives the gear 281 to rotate, which in turn causes the solenoid 282 to rotate. This, in turn, causes the moving block 283 and the guide shell 284 to move. The moving guide shell 284 facilitates the traction and guidance of the connecting rope 220, making the connecting rope 220 more neat and orderly when it is wound up, and preventing the connecting rope 220 from becoming tangled and affecting its use.

[0042] Example 2

[0043] Based on Embodiment 1, in order to protect the camera 231 and prevent it from being damaged by bumps during use.

[0044] like Figure 5 As shown, in this embodiment, the protective mechanism 300 includes: a first transparent semi-circular shell 310, a second transparent semi-circular shell 320, a counterweight 330, a fixing shell 340, and a connecting plate 350. The top of the first transparent semi-circular shell 310 is sleeved and fixed to the outer wall of the other end of the connecting rope 220. The inner wall of the first transparent semi-circular shell 310 is fixedly connected to the outer wall of the fixing block 230. The second transparent semi-circular shell 320 is disposed at the bottom of the first transparent semi-circular shell 310. The counterweight 330 is fixed to the bottom of the inner side of the second transparent semi-circular shell 320. The fixing shell 340 is fixedly connected to the inner wall of the first transparent semi-circular shell 310. A second motor 341 is fixedly connected to the bottom of the 0, and a screw 342 is fixedly connected to the output end of the second motor 341. The second motor 341 is electrically connected to the storage battery 130. The connecting plate 350 is screwed to the outside of the screw 342. The outer wall of the connecting plate 350 is fixedly connected to the inner wall of the second transparent semi-circular shell 320. A round rod 351 is fixedly connected to one end of the top of the connecting plate 350, and a round tube 352 is provided on the outside of the round rod 351. The top of the round tube 352 is fixedly connected to the inner wall of the first transparent semi-circular shell 310. A transparent rubber sleeve 360 ​​is sleeved and fixed to the outer walls of the first transparent semi-circular shell 310 and the second transparent semi-circular shell 320.

[0045] In particular implementation, the transparent semicircular shell one 310, the transparent semicircular shell two 320 and the two transparent rubber sleeves 360 are used to shield and protect the camera 231, so that the camera 231 is prevented from being damaged due to collision when being used again, when the camera 231 is damaged, the motor two 341 is started, the screw rod 342 is driven to rotate by the motor two 341, the connecting plate 350 is limited by the round rod 351 and the round pipe 352, so that the transparent semicircular shell two 320 is disassembled, and then the camera 231 is disassembled and repaired.

[0046] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and thus can be implemented in other particular forms without departing from the spirit or essential characteristics of the present application. The foregoing embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims.

[0047] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A device for measuring the depth of surface subsidence in coal mines, characterized in that, include: The unmanned aerial vehicle (UAV) body (100) has a mounting plate (110) fixedly installed on its bottom. A rectangular shell (120) is fixedly connected to the bottom of the mounting plate (110), and a connecting hole (121) is opened at the bottom of the rectangular shell (120). A battery (130) and a controller (140) are fixedly connected to the inner bottom surface of the rectangular shell (120). The measuring mechanism (200) is fixed to the rectangular shell (120); A protective mechanism (300) is provided at the bottom of the measuring mechanism (200).

2. The coal mine surface subsidence depth measuring device according to claim 1, characterized in that, The measuring mechanism (200) includes: The take-up reel (210) is rotatably connected to the inside of the rectangular shell (120). A drive assembly is provided on the outside of the take-up reel (210), and a cable management assembly is provided on the outside of the take-up reel (210). A connecting rope (220) is fixed at one end to the inner wall of the winding reel (210), and a metering component is provided on the outer side of the other end of the connecting rope (220). A fixing block (230) is fixedly connected to the other end of the connecting rope (220). A camera (231) is fixedly connected to the bottom of the fixing block (230), and the camera (231) is electrically connected to the battery (130).

3. The coal mine surface subsidence depth measuring device according to claim 2, characterized in that, The drive assembly includes a fixed plate (270), one end of which is fixedly connected to an inner sidewall of a rectangular shell (120). A motor (271) is fixedly connected to one side of the fixed plate (270), and a gear (272) is fixedly connected to the output end of the motor (271). The motor (271) is electrically connected to a battery (130). A gear ring (273) is provided on the outer side of the gear (272). The gear ring (273) is sleeved and fixed to the outer sidewall of one end of a winding reel (210), and the gear ring (273) meshes with the gear (272).

4. The coal mine surface subsidence depth measuring device according to claim 2, characterized in that, The cable management assembly includes a rotating rod (280), which is rotatably connected to the inside of a rectangular shell (120). A gear two (281) is sleeved and fixed on the outer side of one end of the rotating rod (280), and the gear two (281) meshes with a gear ring (273). A screw tube (282) is sleeved and fixed at the middle position on the outer side of the gear two (281). A moving block (283) is screwed and connected to the outer side of the screw tube (282), and one end of the moving block (283) contacts an inner sidewall of the rectangular shell (120). The other end of the moving block (283) is fixedly connected to a guide shell three (284), and the inner sidewall of the guide shell three (284) is slidably connected to the connecting rope (220).

5. The coal mine surface subsidence depth measuring device according to claim 2, characterized in that, The metering component includes: The top of the guide shell (240) is fixedly connected to the bottom of the rectangular shell (120). The top of the guide shell (240) corresponds to the connecting hole (121). The bottom of the guide shell (240) is connected to and fixedly connected to the connecting shell (241), and the bottom of the connecting shell (241) is connected to and fixedly connected to the guide shell (242). The guide shell (240), the connecting shell (241) and the guide shell (242) are all located on the outside of the connecting rope (220). The top of the L-shaped plate (250) is fixedly connected to the bottom of the rectangular shell (120). An encoder (251) is fixedly connected to one inner side wall of the L-shaped plate (250), and the output end of the encoder (251) passes through the side wall of the connecting shell (241) and is fixedly connected to a circular plate (252). The outer side wall of the circular plate (252) is in contact with the connecting rope (220).

6. The coal mine surface subsidence depth measuring device according to claim 1, characterized in that, The protection mechanism (300) includes: A transparent semi-circular shell (310) is provided, the top of which is fixedly connected to the outer side wall of the other end of the connecting rope (220), and the inner side wall of the transparent semi-circular shell (310) is fixedly connected to the outer side wall of the fixing block (230). A second transparent semi-circular shell (320) is disposed at the bottom of the first transparent semi-circular shell (310); A counterweight (330) is fixed to the bottom of the inner side of the transparent semi-circular shell (320); A fixed shell (340) is fixedly connected to the inner wall of the transparent semi-circular shell (310). A motor (341) is fixedly connected to the bottom of the fixed shell (340), and a screw (342) is fixedly connected to the output end of the motor (341). The motor (341) is electrically connected to the battery (130). A connecting plate (350) is screwed to the outside of the screw (342). The outer wall of the connecting plate (350) is fixed to the inner wall of the second transparent semi-circular shell (320). A round rod (351) is fixed to one end of the top of the connecting plate (350), and a round tube (352) is provided on the outside of the round rod (351). The top of the round tube (352) is fixed to the inner wall of the first transparent semi-circular shell (310).

7. The coal mine surface subsidence depth measuring device according to claim 6, characterized in that, Transparent rubber sleeves (360) are fixed to the outer walls of the first transparent semi-circular shell (310) and the second transparent semi-circular shell (320).

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