Fixed-point hole protection anti-collapse device for extraction drilling

Abstract

The invention discloses an extraction drilling fixed-point hole protection anti-collapse device, and relates to the technical field of hole protection, the extraction drilling fixed-point hole protection anti-collapse device comprises a drill bit and an insertion mechanism, the upper surface of the insertion mechanism is provided with a protection mechanism for winding a hole protection part, and the upper surface of the protection mechanism is provided with a driving mechanism for driving the protection mechanism; according to the drilling device, the inner wall of the hole is supported by arranging the protection mechanism, the collapse phenomenon of the hole is avoided, and therefore the situation that a hole protection pipe needs to be drilled firstly to protect the hole during drilling is avoided, the drilling steps are saved, and the drilling efficiency is improved; and the top end of the hole is protected by arranging an arc-shaped plate, the phenomenon that the top end of the hole collapses is avoided, a one-way bearing is arranged to drive a mounting rod to rotate, the sneeze is rolled through rotation of the mounting rod, the size of the sneeze is reduced, and the sneeze is conveniently stored.

Description

Technical Field

[0001] The invention relates to the technical field of hole protection, and in particular to a fixed-point hole protection and collapse prevention device for an extraction drilling hole. Background Art

[0002] The fixed-point hole protection and anti-collapse device is a safety device used in mining or geological drilling processes. Its main purpose is to prevent the hole from collapsing during the drilling process. It is widely used in coal mines, metal mines, construction projects, geological exploration and other fields, especially in areas with soft strata or complex hydrogeological conditions.

[0003] At present, in the process of drilling, a hole protection pipe or casing is usually used to support the hole wall to prevent the hole from collapsing. However, due to the different depths of the boreholes, one or more hole protection pipes are usually required to support the inner wall of the hole. When in use, the hole protection pipe needs to be drilled into the ground before drilling. The hole protection pipe takes a certain amount of time to drill, which affects the efficiency of drilling. In view of the above problems, the inventor proposes a fixed-point hole protection and anti-collapse device for extraction drilling to solve the above problems. Summary of the invention

[0004] In order to solve the problem, the purpose of the present invention is to provide a device for preventing the collapse of a fixed-point protection hole in a drainage borehole.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions: a device for preventing the collapse of a fixed-point hole in an extraction drilling hole, comprising a drill bit and an insertion mechanism, the upper surface of the insertion mechanism is provided with a protection mechanism for reeling in the hole protection component, the upper surface of the protection mechanism is provided with a driving mechanism for driving the protection mechanism, and a clamping mechanism for clamping the protection component is provided inside the protection mechanism.

[0006] Preferably, the insertion mechanism includes a support frame, a fixed frame is fixedly installed in the support frame, four arc plates are slidably installed in the fixed frame, and the bottom ends of the arc plates are movably inserted inside the ground, rollers are rotatably installed on both sides of the arc plates, and the rollers are slidably arranged inside the fixed frame.

[0007] Preferably, four movable plates are slidably installed in the support frame, and the four movable plates are distributed in a rectangular shape. Two mounting blocks are fixedly installed on the lower surfaces at both ends of the movable plates, and support blocks are fixedly installed on both ends of the upper surface of the arc plate. A connecting strip is rotatably installed between the two mounting blocks, and the end of the connecting strip away from the mounting block is rotatably set between the two support blocks.

[0008] Preferably, the protection mechanism includes a fixed frame, and the lower surface of the fixed frame is fixedly connected to the supporting frame, mounting rods are rotatably installed in the four sides of the fixed frame, a gas bellows is fixedly installed on the outer surface of the mounting rod, a connecting plate is fixedly installed on the end of the gas bellows away from the mounting rod, and the end of the connecting plate away from the gas bellows is rotatably arranged inside the drill bit, a pipe is fixedly installed on the upper surface of the connecting plate, and the top of the pipe passes through the gas bellows and is fixedly connected to the mounting rod, four air pumps are fixedly installed on the upper surface of the fixed frame, and the ends of the four air pump transport pipes close to the gas bellows are rotatably connected to the mounting rod, a push plate is slidably installed in the connecting plate, springs are fixedly installed on the lower surfaces of both sides of the push plate, and the bottom end of the spring is fixedly connected to the connecting plate, a connecting pipe is fixedly installed on the lower surface of the push plate, and the holes on both sides of the connecting pipe are movably connected to the channels inside the connecting plate.

[0009] Preferably, a first bevel gear is fixedly installed on the end of the mounting rod away from the air pump, two rectangular plates are fixedly installed on the side away from the center point on the upper and lower sides of the fixing frame, and the sides of the two rectangular plates close to each other are in contact with the two sides of the air pump, a fixing bar is fixedly installed on the side of the upper rectangular plate, and this rectangular plate is located on the side away from the air pump, a one-way bearing is rotatably installed in the fixing bar, a second bevel gear is fixedly installed on the bottom end of the one-way bearing, and the second bevel gear is meshed with the first bevel gear, a No. 1 gear is fixedly installed on the top of the one-way bearing, a vertical plate is fixedly installed on the lower surface of the rectangular plate located below, a roller is rotatably installed between the two vertical plates on the same side, and the outer surface of the roller is in contact with the air pump.

[0010] Preferably, the driving mechanism includes a mounting frame, and the lower surface of the mounting frame is fixed on the fixing frame, and the top end of the one-way bearing is rotatably arranged on the mounting frame, a No. 1 gear ring is rotatably installed in the mounting frame, and the No. 1 gear ring is meshed with four No. 1 gears, a No. 1 motor is fixedly installed on the upper surface of the mounting frame, and the bottom end of the No. 1 motor output shaft is fixedly connected to the No. 1 gear.

[0011] Preferably, the clamping mechanism includes a mounting plate, and the mounting plate is located inside the fixed frame, two support plates are fixedly installed on the four sides of the lower surface of the mounting plate, a rotating column is rotatably installed between the two support plates on the same side, a moving block is slidably installed inside the support plate, a moving column is rotatably installed between the two moving blocks on the same side, and the outer surfaces of the moving column and the rotating column are in contact with the air.

[0012] Preferably, two moving seats are slidably installed on the four sides of the lower surface of the mounting plate, a driving bar is rotatably installed in the moving seat, and the end of the driving bar away from the moving seat is rotatably connected to the moving block, a sliding block is fixedly installed on the upper surface of the moving seat, and the sliding block is slidably arranged inside the mounting plate, and the sides of the two sliding blocks on the same side that are close to each other are fixedly installed with toothed plates, vertical rods are rotatably installed on the four sides of the mounting plate, and the outer surface of the vertical rods are fixedly installed with a third gear and a fourth gear, and the fourth gear is located directly below the third gear, and the third gear is meshed with the two toothed plates, a second gear ring is rotatably installed in the mounting plate, and the second gear ring is meshed with the fourth gear, a second motor is fixedly installed on the lower surface of the mounting plate, a second gear is fixedly installed on the top of the output shaft of the second motor, and the second gear is rotatably arranged inside the mounting plate, and the second gear is meshed with the second gear ring.

[0013] Preferably, two electric cylinders are fixedly mounted on the upper surface of the fixing frame, and the bottom ends of the output shafts of the electric cylinders are fixedly connected to the mounting plate.

[0014] Preferably, a fixed plate is fixedly installed on the lower surface of the support plate, two fixed blocks are fixedly installed on the upper surface of the movable plate, a swing bar is rotatably installed between the two fixed blocks, and one end of the swing bar away from the fixed block is rotatably connected to the fixed plate.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. In the present invention, a protective mechanism is provided to support the inner wall of the hole to prevent the hole from collapsing, thereby avoiding the need to drill a hole protection tube to protect the hole when drilling, saving drilling steps and improving drilling efficiency. In addition, an arc plate is provided to protect the top of the hole to prevent the top of the hole from collapsing.

[0017] 2. In the present invention, a one-way bearing is provided to drive the mounting rod to rotate, and the air bellows is rolled up by the rotation of the mounting rod, thereby reducing the volume of the air bellows and facilitating the storage of the air bellows. In addition, a connecting pipe is provided to inflate and exhaust the air bellows, which facilitates the subsequent rolling up of the air bellows.

[0018] 3. In the present invention, a vertical rod is provided to drive the moving block to move, and the movement of the moving block drives the moving column to move, so that the moving column moves downward to clamp the gas bellows, thereby clamping and sealing the top of the gas bellows, making it convenient to inflate the gas bellows inside the hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0021] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention.

[0022] Figure 3 It is a schematic diagram of the cross-sectional structure of the insertion mechanism of the present invention.

[0023] Figure 4 It is a schematic diagram of the cross-sectional structure of the clamping mechanism of the present invention.

[0024] Figure 5 It is a schematic diagram of the cross-sectional structure of the protection mechanism and the driving mechanism of the present invention.

[0025] Figure 6 It is a schematic diagram of the cross-sectional structure of the connecting plate of the present invention.

[0026] Figure 7 For the present invention Figure 4 A schematic diagram of the enlarged structure of .

[0027] Figure 8 For the present invention Figure 6 Enlarged schematic diagram of the structure at B.

[0028] In the figure: 1, drill bit; 2, insertion mechanism; 201, support frame; 202, fixed frame; 203, moving plate; 204, fixed block; 205, mounting block; 206, connecting strip; 207, arc plate; 208, support block; 209, roller; 210, swing bar; 3, protection mechanism; 301, fixed frame; 302, electric cylinder; 303, mounting rod; 304, air pump; 305, vertical plate; 306, roller; 307, air pump; 308, first bevel gear; 309, fixed strip; 310, one-way bearing; 311, second bevel gear; 312, No. 1 gear; 313, rectangular plate; 314. Connecting plate; 315. Pipe; 316. Push plate; 317. Spring; 318. Connecting pipe; 4. Driving mechanism; 401. Mounting frame; 402. Motor No. 1; 403. Gear ring No. 1; 5. Clamping mechanism; 501. Mounting plate; 502. Support plate; 503. Fixed plate; 504. Rotating column; 505. Moving block; 506. Moving column; 507. Gear ring No. 2; 508. Motor No. 2; 509. Gear No. 2; 510. Driving bar; 511. Moving seat; 512. Sliding block; 513. Vertical rod; 514. Gear plate; 515. Gear No. 3; 516. Gear No. 4. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Example: Figure 1-8 As shown, the present invention provides a device for preventing the collapse of a fixed-point hole protection in a pumping borehole, comprising a drill bit 1 and an insertion mechanism 2. A protection mechanism 3 for rolling up the hole protection component is provided on the upper surface of the insertion mechanism 2, which is used to roll up the gas cylinder 304 to facilitate the storage of the gas cylinder 304. A driving mechanism 4 for driving the protection mechanism 3 is provided on the upper surface of the protection mechanism 3, which is used to drive the protection mechanism 3. A clamping mechanism 5 for clamping the protection component is provided in the protection mechanism 3, which is used to clamp the gas cylinder 304, thereby sealing one end of the gas cylinder 304.

[0031] The insertion mechanism 2 includes a support frame 201, in which a fixed frame 202 is fixedly installed, and four arc plates 207 are slidably installed in the fixed frame 202, and the bottom end of the arc plate 207 is movably inserted inside the ground, and rollers 209 are rotatably installed on both sides of the arc plate 207, and the rollers 209 are slidably set inside the fixed frame 202.

[0032] By adopting the above technical solution, the arc plate 207 can support the hole.

[0033] Four movable plates 203 are slidably installed in the support frame 201, and the four movable plates 203 are distributed in a rectangular shape. Two mounting blocks 205 are fixedly installed on the lower surfaces of both ends of the movable plates 203, and support blocks 208 are fixedly installed on both ends of the upper surface of the arc plate 207. A connecting strip 206 is rotatably installed between the two mounting blocks 205, and one end of the connecting strip 206 away from the mounting block 205 is rotatably set between the two support blocks 208.

[0034] By adopting the above technical solution, the movable plate 203 can drive the arc plate 207 to move.

[0035] The protection mechanism 3 includes a fixing frame 301, and the lower surface of the fixing frame 301 is fixedly connected to the support frame 201, and the four sides of the fixing frame 301 are rotatably installed with mounting rods 303, and the outer surface of the mounting rods 303 is fixedly installed with a gas bell 304, and the end of the gas bell 304 away from the mounting rods 303 is fixedly installed with a connecting plate 314, and the end of the connecting plate 314 away from the gas bell 304 is rotatably arranged inside the drill bit 1, and the upper surface of the connecting plate 314 is fixedly installed with a pipe 315, and the top end of the pipe 315 passes through the gas bell 304 and is fixedly connected On the mounting rod 303, four air pumps 307 are fixedly installed on the upper surface of the fixing frame 301, and the ends of the transport tubes of the four air pumps 307 close to the air 304 are rotatably connected to the mounting rod 303, and a push plate 316 is slidably installed in the connecting plate 314, and springs 317 are fixedly installed on the lower surfaces of both sides of the push plate 316, and the bottom ends of the springs 317 are fixedly connected to the connecting plate 314, and a connecting pipe 318 is fixedly installed on the lower surface of the push plate 316, and the holes on both sides of the connecting pipe 318 are movably connected to the channels inside the connecting plate 314.

[0036] By adopting the above technical solution, the air pump 307 can inflate the air bell 304.

[0037] A first bevel gear 308 is fixedly installed on one end of the mounting rod 303 away from the air pump 307, and two rectangular plates 313 are fixedly installed on one side away from the center point on the upper and lower sides of the fixing frame 301, and the sides of the two rectangular plates 313 close to each other are in contact with the two sides of the air pump 304, and a fixing bar 309 is fixedly installed on the side of the upper rectangular plate 313, and this rectangular plate 313 is located on the side away from the air pump 307, and a one-way bearing 310 is rotatably installed in the fixing bar 309. Since the one-way bearing 310 is divided into an inner ring and an outer ring, there are two situations in which the inner ring rotates and the outer ring does not rotate, and the inner and outer rings rotate at the same time. In this case, when the air drum 304 is unwinding, the inner ring of the one-way bearing 310 rotates and the outer ring does not rotate. When the air drum 304 is reeling, the inner and outer rings of the one-way bearing 310 rotate at the same time. The second bevel gear 311 is fixedly installed on the bottom end of the one-way bearing 310, and the second bevel gear 311 is meshed with the first bevel gear 308. The top of the one-way bearing 310 is fixedly installed with a No. 1 gear 312. The lower surface of the rectangular plate 313 located below is fixedly installed with a vertical plate 305. A roller 306 is rotatably installed between the two vertical plates 305 on the same side, and the outer surface of the roller 306 is in contact with the air drum 304.

[0038] By adopting the above technical solution, the one-way bearing 310 can reel in the air bell 304 .

[0039] The driving mechanism 4 includes a mounting frame 401, and the lower surface of the mounting frame 401 is fixed on the fixing frame 301, and the top end of the one-way bearing 310 is rotatably set on the mounting frame 401, a No. 1 gear ring 403 is rotatably installed in the mounting frame 401, and the No. 1 gear ring 403 is meshed with four No. 1 gears 312, and a No. 1 motor 402 is fixedly installed on the upper surface of the mounting frame 401, and the bottom end of the output shaft of the No. 1 motor 402 is fixedly connected to the No. 1 gear 312.

[0040] By adopting the above technical solution, the first motor 402 can drive the one-way bearing 310 to rotate.

[0041] The clamping mechanism 5 includes a mounting plate 501, and the mounting plate 501 is located inside the fixed frame 301, and two support plates 502 are fixedly installed on the four sides of the lower surface of the mounting plate 501, and a rotating column 504 is rotatably installed between the two support plates 502 on the same side, and a moving block 505 is slidably installed inside the support plate 502, and a moving column 506 is rotatably installed between the two moving blocks 505 on the same side, and the outer surfaces of the moving column 506 and the rotating column 504 are in contact with the air 304.

[0042] By adopting the above technical solution, the movable column 506 can clamp the gas bell 304.

[0043] Two moving seats 511 are slidably installed on the four sides of the lower surface of the mounting plate 501, a driving bar 510 is rotatably installed in the moving seat 511, and the end of the driving bar 510 away from the moving seat 511 is rotatably connected to the moving block 505, a slider 512 is fixedly installed on the upper surface of the moving seat 511, and the slider 512 is slidably arranged inside the mounting plate 501, and the sides of the two sliders 512 on the same side that are close to each other are fixedly installed with tooth plates 514, and vertical rods 513 are rotatably installed on the four sides of the mounting plate 501, and the outer surface of the vertical rod 513 is fixedly installed with a number 3 tooth plate. Wheel 515 and No. 4 gear 516, and No. 4 gear 516 is located directly below No. 3 gear 515, No. 3 gear 515 and two toothed plates 514 are meshed with each other, and a No. 2 gear ring 507 is rotatably installed in the mounting plate 501, and the No. 2 gear ring 507 is meshed with the No. 4 gear 516, a No. 2 motor 508 is fixedly installed on the lower surface of the mounting plate 501, and a No. 2 gear 509 is fixedly installed on the top of the output shaft of the No. 2 motor 508, and the No. 2 gear 509 is rotatably set inside the mounting plate 501, and the No. 2 gear 509 is meshed with the No. 2 gear ring 507.

[0044] By adopting the above technical solution, the vertical rod 513 can drive the moving block 505 to move.

[0045] Two electric cylinders 302 are fixedly mounted on the upper surface of the fixing frame 301 , and the bottom ends of the output shafts of the electric cylinders 302 are fixedly connected to the mounting plate 501 .

[0046] By adopting the above technical solution, the electric cylinder 302 can drive the mounting plate 501 to move.

[0047] A fixed plate 503 is fixedly installed on the lower surface of the support plate 502, and two fixed blocks 204 are fixedly installed on the upper surface of the movable plate 203. A swing bar 210 is rotatably installed between the two fixed blocks 204, and the end of the swing bar 210 away from the fixed block 204 is rotatably connected to the fixed plate 503.

[0048] By adopting the above technical solution, the mounting plate 501 can drive the moving plate 203 to move.

[0049] Working principle: First, turn on the electric cylinder 302 to drive the installation plate 501 to move, the movement of the installation plate 501 drives the support plate 502 to move, the movement of the support plate 502 drives the fixed plate 503 to move, the swing bar 210 swings through the movement of the fixed plate 503, and the swing of the swing bar 210 drives the moving plate 203 to move;

[0050] Secondly, the movement of the moving plate 203 drives the installation block 205 to move, the movement of the installation block 205 drives the connection bar 206 to move, and the movement of the connection bar 206 drives the arc plate 207 to move, so as to push the arc plate 207 to move forward, so that the four arc plates 207 are in contact with each other. At this time, the movement of the arc plate 207 drives the roller 209 to move, so that the roller 209 moves along the slide groove of the fixed frame 202. When the roller 209 moves horizontally to the bottom, the arc plate 207 cannot move horizontally at this time. At the same time, the continued movement of the moving plate 203 drives the connection bar 206 to swing, and the swing of the connection bar 206 drives the arc plate 207 to move downward, so that the arc plate 207 is inserted into the underground to provide protective support for the top of the hole.

[0051] Then, the No. 2 motor 508 is turned on to drive the No. 2 gear 509 to rotate, and the No. 2 gear ring 507 is driven to rotate through the rotation of the No. 2 gear 509, and the No. 4 gear 516 is driven to rotate through the rotation of the No. 4 gear 516, and the vertical rod 513 is driven to rotate through the rotation of the vertical rod 513, and the No. 3 gear 515 is driven to rotate through the rotation of the No. 3 gear 515, and the tooth plate 514 is driven to move through the movement of the tooth plate 514, and the slider 512 is driven to move through the movement of the slider 512, and the moving seat 511 is driven to move through the movement of the moving seat 511, and the driving bar 510 is driven to swing through the swing of the driving bar 510, and the moving block 505 is driven to move through the movement of the moving block 505, and the moving column 506 is driven to move downward to clamp the gas 304, so as to seal the end of the gas 304 away from the connecting plate 314;

[0052] Finally, turn on the air pump 307. At this time, the air pump 307 transports the gas to the inside of the connecting plate 314 through the output pipe, the mounting rod 303 and the pipeline 315. At this time, the gas pushes the push plate 316 to move, and the movement of the push plate 316 drives the connecting pipe 318 to move, so that the holes on both sides of the connecting pipe 318 and the channels inside the connecting plate 314 are connected. At this time, the gas enters the interior of the gas chamber 304 through the channels for inflation, so that the gas chamber 304 expands, supports the inner wall of the hole, and prevents the hole from collapsing.

[0053] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A device for preventing the collapse of a fixed-point hole in a drainage borehole, comprising a drill bit (1) and an insertion mechanism (2), characterized in that: The upper surface of the insertion mechanism (2) is provided with a protection mechanism (3) for rolling up the hole protection component, the upper surface of the protection mechanism (3) is provided with a driving mechanism (4) for driving the protection mechanism (3), and the protection mechanism (3) is provided with a clamping mechanism (5) for clamping the protection component.

2. A device for preventing the collapse of a fixed-point drilling hole according to claim 1, characterized in that: The insertion mechanism (2) comprises a support frame (201), a fixed frame (202) is fixedly installed in the support frame (201), four arc-shaped plates (207) are slidably installed in the fixed frame (202), and the bottom ends of the arc-shaped plates (207) are movably inserted inside the ground, and rollers (209) are rotatably installed on both sides of the arc-shaped plates (207), and the rollers (209) are slidably arranged inside the fixed frame (202).

3. A device for preventing the collapse of a fixed-point drilling hole according to claim 2, characterized in that: Four movable plates (203) are slidably mounted in the support frame (201), and the four movable plates (203) are distributed in a rectangular shape. Two mounting blocks (205) are fixedly mounted on the lower surfaces of both ends of the movable plates (203), and support blocks (208) are fixedly mounted on both ends of the upper surface of the arc-shaped plate (207). A connecting bar (206) is rotatably mounted between the two mounting blocks (205), and one end of the connecting bar (206) away from the mounting block (205) is rotatably arranged between the two supporting blocks (208).

4. A device for preventing the collapse of a fixed-point drilling hole according to claim 1, characterized in that: The protection mechanism (3) comprises a fixing frame (301), and the lower surface of the fixing frame (301) is fixedly connected to the support frame (201), and the four sides of the fixing frame (301) are all rotatably mounted with mounting rods (303), and the outer surface of the mounting rod (303) is fixedly mounted with a gas bellows (304), and the end of the gas bellows (304) away from the mounting rod (303) is fixedly mounted with a connecting plate (314), and the end of the connecting plate (314) away from the gas bellows (304) is rotatably arranged inside the drill bit (1), and the upper surface of the connecting plate (314) is fixedly mounted with a pipe (315), and the top end of the pipe (315) passes through the fixed end of the gas bellows (304). The fixing frame (301) is fixedly connected to the mounting rod (303), four air pumps (307) are fixedly installed on the upper surface of the fixing frame (301), and one end of the transport pipes of the four air pumps (307) close to the air pumps (304) is rotatably connected to the mounting rod (303), a push plate (316) is slidably installed in the connecting plate (314), springs (317) are fixedly installed on the lower surfaces of both sides of the push plate (316), and the bottom end of the spring (317) is fixedly connected to the connecting plate (314), a connecting pipe (318) is fixedly installed on the lower surface of the push plate (316), and the holes on both sides of the connecting pipe (318) are movably connected to the channel inside the connecting plate (314).

5. A device for preventing the collapse of a fixed-point drilling hole according to claim 4, characterized in that: The first bevel gear (308) is fixedly mounted on one end of the mounting rod (303) away from the air pump (307), and two rectangular plates (313) are fixedly mounted on the upper and lower sides of the fixing frame (301) away from the center point, and the sides of the two rectangular plates (313) close to each other are in contact with the two sides of the air pump (304), and a fixing strip (309) is fixedly mounted on the side of the upper rectangular plate (313), and the rectangular plate (313) is located on the side away from the air pump (307), and the fixing strip (309) rotates inside the fixing strip (309). A one-way bearing (310) is installed, and a second bevel gear (311) is fixedly installed at the bottom end of the one-way bearing (310), and the second bevel gear (311) is meshed with the first bevel gear (308). A first gear (312) is fixedly installed at the top end of the one-way bearing (310), and a vertical plate (305) is fixedly installed on the lower surface of the rectangular plate (313) located below, and a roller (306) is rotatably installed between the two vertical plates (305) on the same side, and the outer surface of the roller (306) is in contact with the air filter (304).

6. A device for preventing the collapse of a fixed-point drilling hole according to claim 1, characterized in that: The driving mechanism (4) comprises a mounting frame (401), wherein the lower surface of the mounting frame (401) is fixed on the fixing frame (301), and the top end of the one-way bearing (310) is rotatably arranged on the mounting frame (401), a No. 1 gear ring (403) is rotatably mounted in the mounting frame (401), and the No. 1 gear ring (403) is meshed with four No. 1 gears (312), and a No. 1 motor (402) is fixedly mounted on the upper surface of the mounting frame (401), and the bottom end of the output shaft of the No. 1 motor (402) is fixedly connected to the No. 1 gear (312).

7. A device for preventing the collapse of a fixed-point drilling hole according to claim 1, characterized in that: The clamping mechanism (5) includes a mounting plate (501), and the mounting plate (501) is located inside the fixed frame (301), two support plates (502) are fixedly installed on four sides of the lower surface of the mounting plate (501), a fixed plate (503) is fixedly installed on the lower surface of the support plate (502), a rotating column (504) is rotatably installed between the two support plates (502) on the same side, a moving block (505) is slidably installed inside the support plate (502), a moving column (506) is rotatably installed between the two moving blocks (505) on the same side, and the outer surfaces of the moving column (506) and the rotating column (504) are in contact with the air chamber (304).

8. A device for preventing the collapse of a fixed-point drilling hole according to claim 7, characterized in that: Two moving seats (511) are slidably mounted on the four sides of the lower surface of the mounting plate (501), a driving bar (510) is rotatably mounted inside the moving seat (511), and one end of the driving bar (510) away from the moving seat (511) is rotatably connected to the moving block (505), a slider (512) is fixedly mounted on the upper surface of the moving seat (511), and the slider (512) is slidably arranged inside the mounting plate (501), and toothed plates (514) are fixedly mounted on the sides of the two sliders (512) on the same side that are close to each other, vertical rods (513) are rotatably mounted on the four sides inside the mounting plate (501), and a third gear is fixedly mounted on the outer surface of the vertical rod (513). (515) and a fourth gear (516), and the fourth gear (516) is located directly below the third gear (515), the third gear (515) and the two toothed plates (514) are meshed with each other, a second gear ring (507) is rotatably mounted inside the mounting plate (501), and the second gear ring (507) and the fourth gear (516) are meshed with each other, a second motor (508) is fixedly mounted on the lower surface of the mounting plate (501), a second gear (509) is fixedly mounted on the top end of the output shaft of the second motor (508), and the second gear (509) is rotatably arranged inside the mounting plate (501), and the second gear (509) and the second gear ring (507) are meshed with each other.

9. A device for preventing the collapse of a fixed-point drilling hole according to claim 4, characterized in that: Two electric cylinders (302) are fixedly mounted on the upper surface of the fixing frame (301), and the bottom ends of the output shafts of the electric cylinders (302) are fixedly connected to the mounting plate (501).

10. A device for preventing the collapse of a fixed-point drilling hole according to claim 3, characterized in that: Two fixed blocks (204) are fixedly mounted on the upper surface of the movable plate (203), a swing bar (210) is rotatably mounted between the two fixed blocks (204), and one end of the swing bar (210) away from the fixed block (204) is rotatably connected to the fixed plate (503).

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