CN116086977A

CN116086977A - Overburden collapse prediction equipment and detection method thereof

Info

Publication number: CN116086977A
Application number: CN202310122733.1A
Authority: CN
Inventors: 司广宏; 张陈冰; 孙淼; 王刚; 杨阳; 武海涛; 王艳涛; 芦盛亮
Original assignee: Shanxi LuAn Group Yuwu Coal Industry Co Ltd
Current assignee: Shanxi LuAn Group Yuwu Coal Industry Co Ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-05-09

Abstract

The invention provides a cover rock caving prediction device and a detection method thereof, which relate to the field of coal mine cover rock caving prediction and comprise the following steps: the device comprises a bottom plate, a material taking piece and a detection piece; the material taking piece is arranged on the bottom plate; the detection piece is arranged on the bottom plate through a bolt and is positioned at the left side of the material taking piece; when the device is used, the negative plate at the lower end of the push plate is contacted with the ground by controlling the first hydraulic rod, the push plate is inclined by controlling the expansion and contraction of the second hydraulic rod, sand and stones on the road surface can be cleaned while the device is advanced, the road surface is flat, the movement of the device is convenient, and the shaking or side turning of the device caused by the influence of the complex terrain of the device is prevented; the direction of the hydraulic rods is adjusted by controlling the hydraulic rods III, IV and V, the drill bit is lifted by controlling the extension of the hydraulic rods VI, the drill bit is rotated by controlling the operation of the motor, the wall surface of a coal mine can be drilled, and dregs are discharged through the rotation of the conveying wheel and the discharge pipe on the cylinder body, so that the sampling of materials is facilitated.

Description

Overburden collapse prediction equipment and detection method thereof

Technical Field

The invention relates to the technical field of coal mine overburden caving prediction, in particular to overburden caving prediction equipment and a detection method thereof.

Background

After the mine is closed, pit closing treatment is not performed for various reasons, and as mine drainage equipment is stopped, the underground water level rises, so that the stress and bearing capacity of the mining broken rock mass are changed, secondary deformation of a subsidence area is caused, and safety threat is formed to the ground surface construction structures above the abandoned mine area. Therefore, a device for predicting the overburden collapse is needed to detect the compressive strength of the soil quality of the coal mine.

The application number is as follows: in the patent of CN201911225816.3, a method for predicting the subsidence of the surface of a closed well is disclosed, and the method is suitable for underground use in a coal mine. Acquiring subsidence of the surface of the closed well mining by using an InSAR technology; constructing a closed well mining surface subsidence prediction model; inverting model parameters based on InSAR monitoring results; and closing the well and mining surface subsidence prediction method. The prediction model for the subsidence of the earth surface of the closed well is provided for the first time, fills the blank of the prediction aspect of the subsidence of the earth surface after the well is closed, extends the existing exploitation subsidence theory and technical framework, and provides technical means for the prediction of the subsidence of the earth surface after the well is closed.

When the coal mine is subjected to caving detection, the soil in the coal mine needs to be sampled and intensity detection is carried out, and when the existing overburden caving prediction equipment is used for sampling, the road surface in the coal mine is uneven, the sampling equipment is easy to turn over when the position of the sampling equipment is moved, and in addition, the existing overburden caving prediction equipment is not convenient for sampling materials at the high position of the coal mine.

Disclosure of Invention

In view of the above, the invention provides a covering rock caving prediction device, the front end of a frame of the device is provided with a cleaning piece, the cleaning piece comprises a mounting plate, a bracket, a connecting seat and a shaft connecting rod, the mounting plate is mounted at the front end of the frame through bolts, the rear end of the bracket is hinged to the mounting plate, the connecting seat is mounted on the bracket through bolts, the front end of the connecting seat is provided with a pin hole, the rear end of the shaft connecting rod is connected to the connecting seat through a fixing pin, a first hydraulic rod is mounted between the mounting plate and the bracket, the left end and the right end of the shaft connecting rod are provided with second hydraulic rods, the front ends of the two groups of the second hydraulic rods are respectively hinged to the left end and the right end of the shaft connecting rod, the rear ends of the two groups of the second hydraulic rods are respectively hinged to the bracket, the shaft connecting rod is fixedly connected to the left end and the right end of the shaft connecting rod, a push plate is hinged to the shaft connecting seat, a hanging post is fixedly arranged on the shaft connecting seat, an adjusting bolt is mounted at the rear end of the push plate, a tension spring is mounted between the adjusting bolt and the hanging post, and the lower end of the push plate is mounted with a bottom plate through bolts.

The invention provides a purpose and an effect of a covering rock caving prediction device, which specifically comprise the following steps: the device comprises a bottom plate, a material taking piece and a detection piece; the lower end of the bottom plate is provided with a frame, the frame is provided with a tire, the lower end of the frame is provided with a driving mechanism, and the tire is connected with the driving mechanism; the material taking part is arranged on the bottom plate and comprises a base, a first movable seat, a second movable seat and a mounting seat, wherein the base is arranged on the bottom plate through bolts; the detection piece is installed on the bottom plate through the bolt, and the detection piece is located the right side of getting the material piece.

Further, the cleaning member is installed to the front end of frame, and the cleaning member includes mounting panel, support, connecting seat and coupling rod, and the mounting panel passes through the bolt to be installed in the front end of frame, and the rear end of support articulates on the mounting panel, and the connecting seat passes through the bolt to be installed on the support, and the front end of connecting seat is equipped with the pinhole, and the rear end of coupling rod passes through the fixed pin to be connected on the connecting seat.

Further, install the hydraulic stem No. one between mounting panel and the support, no. two hydraulic stems are installed to the left and right sides both ends of head rod, and the front end of two sets of No. two hydraulic stems articulates respectively in the left and right sides both ends of head rod, and the rear end of two sets of No. two hydraulic stems is articulated with the support respectively to the head rod's left and right sides both ends are fixed with the adapter, articulate on the adapter has the push pedal, are fixed with on the adapter and hang the post, and adjusting bolt is installed to the rear end of push pedal, installs the extension spring between adjusting bolt and the post that hangs to the lower extreme of push pedal is installed the film through the bolt.

Further, install No. three hydraulic stems between base and the movable seat, install two sets of No. four hydraulic stems between No. two movable seats and the movable seat, install two sets of No. five hydraulic stems between No. two movable seats and the mount pad to be fixed with No. six hydraulic stems on the mount pad, no. six hydraulic stem's upper end fixed mounting has the motor cabinet, installs the motor on the motor cabinet, and the upper end of motor cabinet installs the barrel through the bolt.

Further, a material conveying wheel is connected in the cylinder in an axial mode, the lower end of the material conveying wheel is connected with a rotating shaft of the motor, a material discharging pipe is arranged on the cylinder, an overhaul hole is formed in the cylinder, a shaft coupling cylinder is arranged at the upper end of the material conveying wheel, and a drill bit is arranged at the upper end of the shaft coupling cylinder.

Further, the detection piece comprises a fixing plate, a placing groove, a first fixing clamp, a second fixing clamp and a supporting frame, wherein the fixing plate is arranged on the bottom plate through bolts, the placing groove is arranged on the bottom plate, two groups of first fixing clamps and second fixing clamps are arranged on the bottom plate through bolts, the first fixing clamp is used for fixing the side edge of the placing groove, the second fixing clamp is used for fixing the upper end of the placing groove, and the lower end of the supporting frame is arranged on the fixing plate through bolts.

Further, be equipped with the screw hole on the standing groove, the screw thread is screwed up and is connected with the locating lever on the screw hole to be fixed with the baffle on the support frame, be equipped with the screw hole on the baffle, install No. seven hydraulic stems through the bolt on the baffle, the disc is installed to the upper end of No. seven hydraulic stems's piston rod, and No. seven hydraulic stems's upper end bolt is screwed up and is connected with the regulation pole.

Further, the lower end of the piston rod in the seventh hydraulic rod is provided with a rectangular plate through a bolt, two groups of guide rods are arranged on the rectangular plate through bolts, the guide rods slide on the partition plate, and the front end of the partition plate is provided with a detection head through a bolt.

Further, detect the head including erection column, slide bar, fork frame, gyro wheel and curb plate, the erection column is hollow structure to the upper end of erection column is equipped with the screw thread, and the inside at the erection column is installed to the slide bar, and the internally mounted of erection column has the spring, and the upper end screw thread of erection column is screwed up and is had the screw thread head, and fork frame is installed to the lower extreme of slide bar, and the last coupling of fork frame has the gyro wheel, and the curb plate is equipped with two sets of curb plates, and two sets of curb plates pass through the bolt to be installed on the erection column, are equipped with the recess on the curb plate to be fixed with the right-angle plate on the fork frame, install pressure sensor on the curb plate.

The invention discloses a detection method of overburden collapse prediction equipment, which comprises the following steps:

1) The rotation of the tire is realized by controlling a driving mechanism at the lower end of the frame, so that the equipment moves to a detection position;

2) The negative plate at the lower end of the push plate is contacted with the ground by controlling the first hydraulic rod, the push plate is inclined by controlling the expansion and contraction of the second hydraulic rod, stones on the road surface can be cleaned, and the movement of equipment is facilitated;

3) The orientation of the hydraulic rods No. six is adjusted by controlling the hydraulic rods No. three, no. four and No. five, the hydraulic rods No. six are controlled to extend to enable the drill bit to lift, and the motor is controlled to operate to enable the drill bit to rotate, so that the wall surface of a coal mine can be drilled, and dregs can be discharged through the discharge pipe on the cylinder body through the rotation of the material conveying wheel;

4) After drilling and taking materials, placing the material block in a placing groove, fixing the placing groove through a first fixing clamp and a second fixing clamp, rotating a positioning rod to enable the positioning rod to prop against the material block, fixing the material block through the positioning rod, controlling a seventh hydraulic rod to enable a detection head to descend, and enabling a roller to be pressed down on the material block;

5) And the seventh hydraulic rod continues to extend downwards, and the rollers drive the fork-shaped frame to ascend, so that the pressure sensor on the side plate is extruded, and the detection of the compressive strength of the material is realized.

Advantageous effects

The cleaning piece is arranged at the front end of the frame, the cleaning piece comprises a mounting plate, a support, a connecting seat and a shaft connecting rod, the mounting plate is arranged at the front end of the frame through bolts, the rear end of the support is hinged to the mounting plate, the connecting seat is arranged on the support through bolts, a pin hole is arranged at the front end of the connecting seat, the rear end of the shaft connecting rod is connected to the connecting seat through a fixing pin, a first hydraulic rod is arranged between the mounting plate and the support, a second hydraulic rod is arranged at the left end and the right end of the shaft connecting rod, the front ends of the two groups of the second hydraulic rods are respectively hinged to the left end and the right end of the shaft connecting rod, the rear ends of the two groups of the second hydraulic rods are respectively hinged to the support, the left end and the right end of the shaft connecting rod are fixedly provided with the shaft connecting seat, a push plate is hinged to the shaft connecting seat, a hanging column is fixed to the shaft connecting seat, an adjusting bolt is arranged at the rear end of the push plate, a tension spring is arranged between the adjusting bolt and the hanging column, and the lower end of the push plate is provided with a bottom plate through bolts.

In addition, the orientation of the No. six hydraulic rod is adjusted by controlling the No. three hydraulic rod, the No. four hydraulic rod and the No. five hydraulic rod, the elongation of the No. six hydraulic rod is controlled to enable the drill bit to be lifted, the motor is controlled to rotate so as to enable the drill bit to rotate, thus the wall surface at the high position of the coal mine can be drilled, dregs are discharged through the discharging pipe on the cylinder body through the rotation of the material conveying wheel, sampling of materials is facilitated, the detection head is lowered by controlling the No. seven hydraulic rod, the roller is pressed on the material block, the No. seven hydraulic rod is stretched downwards continuously, the fork frame is driven to be lifted by the roller, and therefore the pressure sensor on the side plate is extruded, the detection of the compressive strength of the materials is realized, and the operation is convenient.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.

In the drawings:

fig. 1 is a schematic diagram of the overall structure of a cover rock collapse prediction apparatus according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of a front side structure of a cover rock collapse prediction apparatus according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a cleaning member of the overburden collapse prediction apparatus in accordance with the embodiment of the present invention.

Fig. 4 is an enlarged structural schematic diagram at a of fig. 3 of an overburden collapse prediction apparatus in accordance with an embodiment of the present invention.

Fig. 5 is a schematic structural view of the rear end of the cleaning member of the overburden collapse prediction apparatus in accordance with the embodiment of the present invention.

Fig. 6 is an enlarged structural schematic diagram at B of fig. 5 of a cover rock collapse prediction apparatus according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of a material taking member of the overburden collapse prediction apparatus in accordance with the embodiment of the present invention.

Fig. 8 is an enlarged structural schematic diagram of fig. 7C of a cover rock collapse prediction apparatus according to an embodiment of the present invention.

Fig. 9 is a schematic structural view of a detection member of the overburden collapse prediction apparatus according to the embodiment of the present invention.

Fig. 10 is an enlarged structural schematic diagram of the cover rock collapse prediction apparatus of fig. 9 at D according to the embodiment of the present invention.

Fig. 11 is a schematic structural view of a detection head of the overburden collapse prediction apparatus according to the embodiment of the present invention.

Fig. 12 is an enlarged structural schematic diagram of fig. 11 of an overburden collapse prediction device in accordance with an embodiment of the present invention.

List of reference numerals

1. A bottom plate; 11. a frame; 12. a tire; 13. cleaning the piece; 131. a mounting plate; 1311. a hydraulic lever number one; 132. a bracket; 133. a connecting seat; 134. a shaft connecting rod; 1341. a second hydraulic rod; 1342. an axle seat; 1343. a hanging column; 1344. a push plate; 1345. an adjusting bolt; 1346. a tension spring; 1347. a negative; 2. a material taking member; 21. a base; 211. a third hydraulic rod; 22. a first movable seat; 221. a fourth hydraulic rod; 23. a second movable seat; 231. a fifth hydraulic rod; 24. a mounting base; 241. a hydraulic rod No. six; 242. a motor base; 243. a cylinder; 244. a motor; 245. a coupling barrel; 246. a drill bit; 3. a detecting member; 31. a fixing plate; 32. a placement groove; 321. a positioning rod; 33. a first fixing clip; 34. a second fixing clip; 35. a support frame; 351. a partition plate; 352. a seventh hydraulic rod; 353. a disc; 354. an adjusting rod; 355. a rectangular plate; 36. a detection head; 361. a mounting column; 3611. a thread head; 362. a slide bar; 363. a fork-shaped frame; 3631. a right angle plate; 364. a roller; 365. a side plate; 3651. a pressure sensor.

Detailed Description

The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiments of the present invention.

Examples: please refer to fig. 1 to 12:

the invention provides overlying strata collapse prediction equipment which comprises a bottom plate 1, a material taking part 2 and a detection part 3; the lower end of the bottom plate 1 is provided with a frame 11, the frame 11 is provided with a tire 12, the lower end of the frame 11 is provided with a driving mechanism, and the tire 12 is connected with the driving mechanism; the material taking part 2 is arranged on the bottom plate 1, the material taking part 2 comprises a base 21, a first movable seat 22, a second movable seat 23 and a mounting seat 24, the base 21 is arranged on the bottom plate 1 through bolts, the first movable seat 22 is hinged on the base 21, the second movable seat 23 is connected on the first movable seat 22 in a shaft way, and the mounting seat 24 is connected on the second movable seat 23 in a shaft way; the detection piece 3 is installed on the bottom plate 1 through the bolt, and the detection piece 3 is located the right side of getting material piece 2.

Wherein, cleaning member 13 is installed to the front end of frame 11, cleaning member 13 includes mounting panel 131, support 132, connecting seat 133 and articulating rod 134, mounting panel 131 passes through the bolt to be installed at the front end of frame 11, the rear end of support 132 articulates on mounting panel 131, connecting seat 133 passes through the bolt to be installed on support 132, the front end of connecting seat 133 is equipped with the pinhole, the rear end of articulating rod 134 passes through the fixed pin to be connected on connecting seat 133, install hydraulic rod 1311 No. one between mounting panel 131 and the support 132, hydraulic rod 1341 No. two is installed to the left and right sides both ends of articulating rod 134, the front end of two sets of hydraulic rod 1341 articulates respectively in the left and right sides both ends of articulating rod 134, the rear end of two sets of hydraulic rod 1341 articulates respectively with support 132, and the both ends are fixed with the connecting seat 1342 about the articulating rod 1342, be fixed with push pedal 1344 on the connecting seat 1342, be fixed with on the connecting seat 1343, adjusting bolt 1345 is installed to the rear end of connecting rod 134, install extension spring 1346 between adjusting bolt 1345 and the connecting rod 3, and install the lower extreme that is through the effect of setting 1347 of thrust plate 1344: the first hydraulic rod 1311 is controlled to enable the bottom piece 1347 at the lower end of the push plate 1344 to be in contact with the ground, and the second hydraulic rod 1341 is controlled to stretch and retract to enable the push plate 1344 to incline, so that stones on the road surface can be cleaned.

Wherein install No. three hydraulic pressure pole 211 between base 21 and the movable seat 22, install two sets of No. four hydraulic pressure poles 221 between movable seat 23 and the movable seat 22, install two sets of No. five hydraulic pressure poles 231 between movable seat 23 and the mount pad 24, and be fixed with No. six hydraulic pressure poles 241 on the mount pad 24, no. six hydraulic pressure pole 241's upper end fixed with motor cabinet 242, install motor 244 on the motor cabinet 242, and the upper end of motor cabinet 242 installs barrel 243 through the bolt, the interior hub connection of barrel 243 has the material conveying wheel, the lower extreme of material conveying wheel is connected with the pivot of motor 244, be equipped with the discharging pipe on the barrel 243, and be equipped with the access hole on the barrel 243, the shaft coupling section of thick bamboo 245 is installed to the upper end of material conveying wheel, the drill bit 246 is installed to the upper end of shaft coupling section of thick bamboo 245, its effect is: the orientation of the hydraulic rod No. six 241 is adjusted by controlling the hydraulic rod No. three 211, the hydraulic rod No. four 221 and the hydraulic rod No. five 231, the hydraulic rod No. six 241 is controlled to extend to enable the drill bit 246 to lift, the motor 244 is controlled to operate to enable the drill bit 246 to rotate, and therefore the wall surface of a coal mine can be drilled, and dregs can be discharged through the discharging pipe on the cylinder 243 through the rotation of the material conveying wheel.

Wherein the detecting member 3 comprises a fixed plate 31, a holding groove 32, a first fixing clip 33, a second fixing clip 34 and a supporting frame 35, the fixed plate 31 is mounted on the bottom plate 1 by bolts, the holding groove 32 is mounted on the bottom plate 1, and the bottom plate 1 is provided with two groups of the first fixing clip 33 and the second fixing clip 34 by bolts, the first fixing clip 33 fixes the side edge of the holding groove 32, the second fixing clip 34 fixes the upper end of the holding groove 32, the lower end of the supporting frame 35 is mounted on the fixed plate 31 by bolts, a threaded hole is provided on the holding groove 32, a positioning rod 321 is screwed on the threaded hole, and a partition plate 351 is fixed on the supporting frame 35, a threaded hole is provided on the partition plate 351, a seventh hydraulic rod 352 is mounted by bolts, a disc 353 is mounted on the upper end of a piston rod of the seventh hydraulic rod 352, and an adjusting rod 354 is screwed on the upper end of the seventh hydraulic rod 352, the lower end of the piston rod is provided with a plate 355 by bolts, two groups of the guide rod 355 are mounted by bolts, a fork-shaped head 362 is provided on the partition plate 355, a fork-shaped head 361 is slid on the partition plate 351, a front end 36 of the partition plate 361 is mounted on the partition plate 361 is provided with a head 363, a groove 3651 is mounted on the inner side of the hollow cylinder of the roller is provided with a roller 3651, a groove 3651 is mounted on the inner side of the roller is provided with a groove 3651, the roller is mounted on the inner side of the roller is provided with a roller 3651, the roller is mounted on the roller, and the roller is mounted on the roller is the roller, and the roller is mounted on the roller, the roller is 36is the roller is mounted on the roller by the roller, and the roller through the roller. The function is as follows: the material block is placed in the placing groove 32, the placing groove 32 is fixed through the first fixing clamp 33 and the second fixing clamp 34, the locating rod 321 is rotated to enable the locating rod 321 to prop against the material block, the material block is fixed through the locating rod 321, the detection head 36 is lowered through controlling the seventh hydraulic rod 352, the roller 364 is pressed down on the material block, the fork rack 363 is raised through pressing the roller 364, and therefore the pressure sensor 3651 on the side plate 365 is extruded, and the detection of the compressive strength of the material is achieved.

1) The rotation of the tyre 12 is realized by controlling a driving mechanism at the lower end of the frame 11, so that the equipment moves to a detection position;

2) The negative plate 1347 at the lower end of the push plate 1344 is contacted with the ground by controlling the first hydraulic rod 1311, the push plate 1344 is inclined by controlling the expansion and contraction of the second hydraulic rod 1341, stones on the road surface can be cleaned, and the equipment is convenient to move;

3) The orientation of the hydraulic rod No. six 241 is adjusted by controlling the hydraulic rod No. three 211, the hydraulic rod No. four 221 and the hydraulic rod No. five 231, the hydraulic rod No. six 241 is controlled to extend to enable the drill bit 246 to lift, the motor 244 is controlled to operate to enable the drill bit 246 to rotate, so that the wall surface of a coal mine can be drilled, and dregs can be discharged through the discharge pipe on the cylinder 243 through the rotation of the material conveying wheel;

4) After drilling and taking materials, placing the material block in the placing groove 32, fixing the placing groove 32 through a first fixing clamp 33 and a second fixing clamp 34, rotating a positioning rod 321 to enable the positioning rod 321 to prop against the material block, fixing the material block through the positioning rod 321, enabling a detection head 36 to descend through a seventh hydraulic rod 352, and enabling a roller 364 to be pressed down on the material block;

5) The seventh hydraulic rod 352 continues to extend downwards, and the roller 364 drives the fork rack 363 to ascend, so that the pressure sensor 3651 on the side plate 365 is extruded, and the detection of the compressive strength of the material is realized.

Specific use and action of the embodiment: according to the invention, the rotation of the tire 12 is realized by controlling the driving mechanism at the lower end of the frame 11, so that the equipment moves to a detection position, a negative plate 1347 at the lower end of a push plate 1344 is contacted with the ground by controlling a first hydraulic rod 1311, the push plate 1344 is inclined by controlling the expansion and contraction of a second hydraulic rod 1341, stones on a road surface can be cleaned, the movement of the equipment is facilitated, the adjustment of the orientation of a sixth hydraulic rod 241 is realized by controlling a third hydraulic rod 211, a fourth hydraulic rod 221 and a fifth hydraulic rod 231, the extension of the sixth hydraulic rod 241 is controlled to enable a drill bit 246 to rise and fall, the operation of a motor 244 is controlled to enable the drill bit 246 to rotate, so that the wall surface of a coal mine can be drilled, a material block is placed in a placing groove 32 after the drill is rotated through a material conveying wheel and discharged through a discharge pipe on a cylinder 243, the placing groove 32 is fixed through a first fixing clamp 33 and a second fixing clamp 34, the positioning rod 321 is propped against the material block through the positioning rod 321, the material block is fixed through the positioning rod 321, the material block is pressed down by controlling a seventh hydraulic rod 352, the detection head 36 is enabled to fall, the fork-shaped rod 363 is enabled to be pushed down, the pressure of the seventh hydraulic rod is enabled to be pushed down, the rolling wheel 364 is further pressed down, the pressure of the material block is further pressed down, and the pressure sensor is further pressed down to the roller 364 is further, and the pressure is further pressed and the pressure is further the roller is further pressed and the roller to be a roller and the roller is further pressed.

Claims

1. A cover-rock collapse prediction apparatus, comprising: the device comprises a bottom plate (1), a material taking piece (2) and a detecting piece (3); the lower end of the bottom plate (1) is provided with a frame (11), the frame (11) is provided with a tire (12), the lower end of the frame (11) is provided with a driving mechanism, and the tire (12) is connected with the driving mechanism; the material taking part (2) is arranged on the bottom plate (1), the material taking part (2) comprises a base (21), a first movable seat (22), a second movable seat (23) and a mounting seat (24), the base (21) is arranged on the bottom plate (1) through bolts, the first movable seat (22) is hinged on the base (21), the second movable seat (23) is connected on the first movable seat (22) in a shaft mode, and the mounting seat (24) is connected on the second movable seat (23) in a shaft mode; the detection piece (3) is arranged on the bottom plate (1) through a bolt, and the detection piece (3) is positioned on the right side of the material taking piece (2).

2. The overburden collapse prediction apparatus according to claim 1, wherein: cleaning member (13) are installed to the front end of frame (11), cleaning member (13) include mounting panel (131), support (132), connecting seat (133) and head rod (134), and mounting panel (131) are installed at the front end of frame (11) through the bolt, and the rear end of support (132) articulates on mounting panel (131), and connecting seat (133) are installed on support (132) through the bolt, and the front end of connecting seat (133) is equipped with the pinhole, and the rear end of head rod (134) is connected on connecting seat (133) through the fixed pin.

3. The overburden collapse prediction apparatus according to claim 2, wherein: install hydraulic rod (1311) between mounting panel (131) and support (132), hydraulic rod (1341) No. two is installed at the left and right sides both ends of head rod (134), the front end of two sets of hydraulic rods (1341) articulates respectively in the left and right sides both ends of head rod (134), the rear end of two sets of hydraulic rods (1341) articulates with support (132) respectively, and the left and right sides both ends of head rod (134) are fixed with adapter (1342), articulated on adapter (1342) have push pedal (1344), be fixed with on adapter (1342) and hang post (1343), adjusting bolt (1345) are installed to the rear end of push pedal (1344), install extension spring (1346) between adjusting bolt (1345) and hang post (1343), and the lower extreme of push pedal (1344) is through bolt-mounting film (1347).

4. The overburden collapse prediction apparatus according to claim 1, wherein: install No. three hydraulic pressure pole (211) between base (21) and No. one movable seat (22), install two sets of No. four hydraulic pressure poles (221) between No. two movable seats (23) and No. one movable seat (22), install two sets of No. five hydraulic pressure poles (231) between No. two movable seats (23) and mount pad (24), and be fixed with No. six hydraulic pressure poles (241) on mount pad (24), the upper end fixed mounting of No. six hydraulic pressure poles (241) has motor cabinet (242), install motor (244) on motor cabinet (242), and cylinder (243) are installed through the bolt to the upper end of motor cabinet (242).

5. The overburden collapse prediction apparatus in accordance with claim 4 wherein: the feeding device is characterized in that a feeding wheel is connected to the inner side of the cylinder (243), the lower end of the feeding wheel is connected with a rotating shaft of the motor (244), a discharging pipe is arranged on the cylinder (243), an overhaul port is arranged on the cylinder (243), a coupling cylinder (245) is arranged at the upper end of the feeding wheel, and a drill bit (246) is arranged at the upper end of the coupling cylinder (245).

6. The overburden collapse prediction apparatus according to claim 1, wherein: the detection piece (3) comprises a fixing plate (31), a placing groove (32), a first fixing clamp (33), a second fixing clamp (34) and a supporting frame (35), wherein the fixing plate (31) is installed on a bottom plate (1) through bolts, the placing groove (32) is installed on the bottom plate (1), two groups of the first fixing clamp (33) and the second fixing clamp (34) are installed on the bottom plate (1) through bolts, the first fixing clamp (33) is used for fixing the side edge of the placing groove (32), the second fixing clamp (34) is used for fixing the upper end of the placing groove (32), and the lower end of the supporting frame (35) is installed on the fixing plate (31) through bolts.

7. The overburden collapse prediction apparatus in accordance with claim 6 wherein: be equipped with the screw hole on standing groove (32), threaded screw has connect locating lever (321) on the screw hole to be fixed with baffle (351) on support frame (35), be equipped with the screw hole on baffle (351), install No. seven hydraulic rod (352) through the bolt on baffle (351), disc (353) are installed to the upper end of the piston rod of No. seven hydraulic rod (352), and the upper end bolt of No. seven hydraulic rod (352) has screwed up regulation pole (354).

8. The overburden collapse prediction apparatus according to claim 7, wherein: the lower end of a piston rod in the seventh hydraulic rod (352) is provided with a rectangular plate (355) through a bolt, two groups of guide rods are arranged on the rectangular plate (355) through bolts, the guide rods slide on a partition plate (351), and the front end of the partition plate (351) is provided with a detection head (36) through bolts.

9. The overburden collapse prediction apparatus according to claim 8, wherein: the detecting head (36) comprises a mounting column (361), a sliding rod (362), a fork-shaped frame (363), rollers (364) and side plates (365), wherein the mounting column (361) is of a hollow structure, threads are arranged at the upper end of the mounting column (361), the sliding rod (362) is mounted in the mounting column (361), a spring is mounted in the mounting column (361), the threads at the upper end of the mounting column (361) are screwed with threaded heads (3611), the fork-shaped frame (363) is mounted at the lower end of the sliding rod (362), the rollers (364) are connected onto the fork-shaped frame (363) in a shaft mode, two groups of side plates (365) are arranged on the mounting column (361) through bolts, grooves are formed in the side plates (365), right-angle plates (3631) are fixed on the fork-shaped frame (363), and pressure sensors (3651) are mounted on the side plates (365).

10. The method for detecting the overburden collapse prediction device according to claims 1-9, characterized in that: the method comprises the following steps:

1) The rotation of the tire (12) is realized by controlling a driving mechanism at the lower end of the frame (11), so that the equipment moves to a detection position;

2) The negative plate (1347) at the lower end of the push plate (1344) is contacted with the ground by controlling the first hydraulic rod (1311), the push plate (1344) is inclined by controlling the expansion and contraction of the second hydraulic rod (1341), stones on the road surface can be cleaned, and the equipment is convenient to move;

3) The orientation of the hydraulic rod No. six (241) is adjusted by controlling the hydraulic rod No. three (211), the hydraulic rod No. four (221) and the hydraulic rod No. five (231), the hydraulic rod No. six (241) is controlled to extend to enable the drill bit (246) to lift, the motor (244) is controlled to operate to enable the drill bit (246) to rotate, and therefore the wall surface of a coal mine can be drilled, and dregs can be discharged through a discharging pipe on the cylinder (243) through the rotation of the material conveying wheel;

4) After drilling and taking materials, placing the material block in a placing groove (32), fixing the placing groove (32) through a first fixing clamp (33) and a second fixing clamp (34), rotating a positioning rod (321) to enable the positioning rod (321) to prop against the material block, fixing the material block through the positioning rod (321), enabling a detection head (36) to descend through a seventh hydraulic rod (352) to control, and enabling a roller (364) to be pressed down on the material block;

5) And the seventh hydraulic rod (352) continues to extend downwards, and the roller (364) drives the fork-shaped frame (363) to ascend, so that the pressure sensor (3651) on the side plate (365) is extruded, and the detection of the compressive strength of the materials is realized.