CN215057478U - Adjustable mine hole high-stability reinforcing device for coal mine safety production - Google Patents

Abstract

The utility model provides an adjustable mine hole high stability reinforcing device for coal mine safety production, which comprises a support column, a reinforcing steel plate, a support plate frame, a sliding cavity, a sliding groove, an auxiliary adjusting rod frame structure, a movable damping support frame structure, a lower adjusting seat, a support column, an upper adjusting seat, an arc-shaped top plate, an adjustable mounting base structure, a connecting hoop, a movable plate and a stabilizing rod, wherein the reinforcing steel plate is welded on the upper part of the periphery of the outer wall of the support column respectively; the supporting plate frames are respectively welded at the upper ends of the supporting upright posts and the reinforcing steel plates; the sliding cavity is formed in the middle of the inner part of the supporting plate frame; the sliding grooves are respectively formed in the periphery of the interior of the supporting plate frame and communicated with the sliding cavity. The utility model has the advantages that: through the setting of adjustable installation base structure, thereby can bore into the stable cooperation supporting seat in underground and support and use subaerial.

Description

Adjustable mine hole high-stability reinforcing device for coal mine safety production

Technical Field

The utility model belongs to the technical field of the mine opening is stable, especially, relate to a mine opening high stability reinforcing apparatus of colliery safety in production usefulness with adjustable.

Background

The coal mine is a place rich in coal resources and is generally divided into a mineworker coal mine and an open pit coal mine, when a coal bed is far away from the ground surface, a roadway is generally dug towards the underground, the roadway is the mineworker coal mine, and the existing roadway can be supported by the aid of a reinforcing device after excavation is completed, and the stability of the roadway is improved.

However, the prior mine hole high-stability reinforcing device also has the problems that the fixing part is not convenient to adjust and increases the fastening effect, the supporting part is not convenient to assist in activity to adjust and use, and the supporting part is not convenient to protect and reduce pressure.

Therefore, the invention provides an adjustable mine cave high-stability reinforcing device for coal mine safety production, which is very necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a colliery safety in production uses's high stability reinforcing apparatus in mine hole with adjustable to solve current high stability reinforcing apparatus in mine hole fixed department and be not convenient for adjust and increase fastening effect, support department and be not convenient for the auxiliary activity adjust use and support department and be not convenient for the problem of protection decompression. An adjustable mine hole high-stability reinforcing device for coal mine safety production comprises a supporting upright post, a reinforcing steel plate, a supporting plate frame, a sliding cavity, a sliding groove, an auxiliary adjusting rod frame structure, a movable damping supporting frame structure, a lower adjusting seat, a supporting column, an upper adjusting seat, an arc-shaped top plate, an adjustable mounting base structure, a connecting hoop, a movable plate and a stabilizing rod, wherein the reinforcing steel plate is welded on the upper part of the periphery of the outer wall of the supporting upright post respectively; the supporting plate frames are respectively welded at the upper ends of the supporting upright posts and the reinforcing steel plates; the sliding cavity is formed in the middle of the inner part of the supporting plate frame; the sliding grooves are respectively formed in the periphery of the inner part of the supporting plate frame and are communicated with the sliding cavity; the auxiliary adjusting rod frame structure is arranged in the middle of the lower end of the supporting plate frame; the movable damping support frame structures are respectively arranged on the left side and the right side of the inner wall of the sliding cavity; the lower adjusting seat is fixed at the upper end of the movable shock absorption supporting frame structure; one end of the supporting column is in shaft connection with the lower adjusting seat, the other end of the supporting column is in shaft connection with the upper adjusting seat, and the supporting columns are arranged on the left side and the right side of the lower end of the arc-shaped top plate respectively; the left side and the right side of the lower end of the arc-shaped top plate are respectively welded with an upper adjusting seat; the adjustable mounting base structure is mounted at the lower part of the outer wall of the supporting upright post; the connecting hoop is sleeved on the upper part of the outer wall of the supporting upright post; the movable plate is welded on the outer wall of the connecting hoop, and the rear end of the movable plate is connected with the upper bolt and the upper nut of the stabilizing rod; the adjustable mounting base structure comprises a supporting seat, a movable groove, an inclined long plate, a reinforcing screw rod, a mounting head, a rotating disc and an auxiliary adjusting frame structure, wherein the supporting seat is welded at the lower end of a supporting upright post; the movable grooves are respectively arranged at the left side and the right side and the front part and the rear part inside the supporting seat; the inclined long plate is axially connected to the lower part of the inner wall of the movable groove; the reinforcing screw is in threaded connection with the front side inside the inclined long plate, and an installing head is welded at the lower end of the reinforcing screw; the rotating disc is welded at the upper end of the reinforcing screw rod; the auxiliary adjusting frame structure is arranged at the rear part of the upper surface of the inclined long plate.

Preferably, the auxiliary adjusting frame structure comprises an upper assembling block, an upper threaded pipe, a bidirectional screw, a manual disc, a lower threaded pipe and a lower assembling block, wherein the upper assembling block is welded around the lower part of the outer wall of the supporting upright column respectively; one end of the upper threaded pipe is coupled with the inner side of the upper assembling block, and the other end of the upper threaded pipe is in threaded connection with the bidirectional screw; one end of the lower threaded pipe is in threaded connection with the bidirectional screw, and the other end of the lower threaded pipe is in shaft connection with the inner side of the lower assembly block; the lower assembling block is welded at the rear part of the upper surface of the inclined long plate.

Preferably, the movable damping support frame structure comprises accommodating pipes, a penetration rod, a positioning bolt, a push plate, a compression spring, a translation seat and a movable pulley, wherein the accommodating pipes are respectively installed on the left side and the right side of the inner wall of the sliding cavity through bolts; one end of the inserting rod is inserted into the accommodating pipe, and the other end of the inserting rod is welded with the push plate; the positioning bolt is in threaded connection with the inner side of the front part inside the containing pipe; one end of the push plate is connected with the compression spring through a bolt, and the other end of the push plate is connected with the translation seat through a bolt; the translation seat decibels are inserted into the left side and the right side in the sliding cavity; the upper end of the translation seat is welded with a lower adjusting seat; the movable pulleys are respectively coupled to the front end and the rear end of the translation seat, and are inserted into the sliding grooves.

Preferably, the auxiliary adjusting rod frame structure comprises a support plate, a movable threaded pipe, a push rod, a worm, a turbine, a connecting shaft, a speed reducer and a working motor, wherein the support plate is welded on the middle left side and the middle right side of the inner wall of the sliding cavity respectively; the movable threaded pipe is arranged in the middle of the interior of the support plate through a bearing; the worm is embedded on the outer wall of the movable threaded pipe; a connecting shaft is embedded in the turbine; the left key at the upper end of the speed reducer is connected with a connecting shaft; the speed reducer bolt is arranged in the middle of the lower end of the support plate frame; the working motor is mounted at the front end of the speed reducer through a bolt.

Preferably, the inclined long plate is movably fixed in the movable groove, and the inclined long plate supports the reinforcing screw rod.

Preferably, the reinforcing screw and the mounting head are assembled into a T shape, and the mounting head at the lower end of the reinforcing screw is conical.

Preferably, the upper threaded pipe is matched with the bidirectional screw rod to be connected with the lower threaded pipe.

Preferably, the outer wall of the manual disc is provided with straight anti-slip threads, and the manual disc is welded in the middle of the outer wall of the bidirectional screw.

Preferably, the lower assembling block and the upper assembling block are respectively set to be rectangular, and the lower assembling block and the upper assembling block are respectively provided with two assembling blocks.

Preferably, the translation seat and the movable pulley are respectively matched with the sliding cavity and the sliding groove.

Preferably, the joint of the accommodating pipe and the inserting rod is fixed through a positioning bolt.

Preferably, the left end and the right end of the compression spring respectively support against the push plate and the translation seat.

Preferably, the number of the support plates is two, and the support plates are respectively and movably supported with movable threaded pipes.

Preferably, the push rods on the outer side of the movable threaded pipe are abutted against the translation seat, and the push rods are respectively in threaded connection with the left side and the right side of the inner part of the movable threaded pipe.

Preferably, the front end of the speed reducer is in key connection with an output shaft of the working motor, and the speed reducer is connected with a worm on the outer wall of the movable threaded pipe through a turbine on the connecting shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, thereby the setting of reinforcement screw rod, installation head and rolling disc, thereby can bore into the stable cooperation supporting seat support in underground and use subaerial.

2. The utility model discloses in, the setting of activity groove and slope long slab, can adjust and reach suitable angle to the cooperation is consolidated the screw rod and is used.

3. The utility model discloses in, the setting of last screwed pipe, two-way screw rod and lower screwed pipe, be convenient for adjust its length to the angle that the slope was adjusted to the long board of cooperation slope uses.

4. The utility model discloses in, thereby the setting of manual dish, thereby the cooperation two-way screw rod of being convenient for rotates the operation and uses.

5. The utility model discloses in, last equipment piece and the setting of equipment piece down, the lower screwed pipe of the cooperation activity of being convenient for in the operation process is different angles with last screwed pipe and uses.

6. The utility model discloses in, the setting of accomodating pipe, interlude pole and positioning bolt, thereby the cooperation push pedal of being convenient for removes the removal and reaches suitable position department and use of control compression spring.

7. The utility model discloses in, compression spring's setting, can cooperate the arc roof to play the function of decompression at the atress decline in-process.

8. The utility model discloses in, thereby translation seat and the setting of removing the pulley, thereby the stable work of removing cooperation compression spring time decompression.

9. The utility model discloses in, the setting of activity screwed pipe and push rod, be convenient for cooperate translation seat and remove about the pulley to the regulation of height is realized to cooperation arc roof.

10. The utility model discloses in, worm, turbine, connecting axle, reduction gear and work motor's setting, the rotatory push rod that drives of cooperation activity screwed pipe of being convenient for removes the use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the adjustable mounting base structure of the present invention.

Fig. 3 is a schematic structural diagram of the auxiliary adjusting frame structure of the present invention.

Fig. 4 is a schematic structural view of the movable shock-absorbing support frame structure of the present invention.

Fig. 5 is a schematic structural view of the auxiliary adjusting rod frame structure of the present invention.

In the figure:

1. supporting the upright post; 2. reinforcing the steel plate; 3. a support plate frame; 4. a sliding cavity; 5. a sliding groove; 6. an auxiliary adjusting rod frame structure; 61. a support plate; 62. a movable threaded pipe; 63. a push rod; 64. a worm; 65. a turbine; 66. a connecting shaft; 67. a speed reducer; 68. a working motor; 7. moving the shock-absorbing support frame structure; 71. receiving a tube; 72. inserting the rod; 73. positioning the bolt; 74. pushing the plate; 75. a compression spring; 76. a translation seat; 77. a movable pulley; 8. a lower adjustment seat; 9. a support pillar; 10. an upper adjusting seat; 11. an arc-shaped top plate; 12. an adjustable mounting base structure; 121. a supporting seat; 122. a movable groove; 123. inclining the long plate; 124. reinforcing the screw rod; 125. a mounting head; 126. rotating the disc; 127. an auxiliary adjusting frame structure; 1271. assembling the assembly block; 1272. an upper threaded pipe; 1273. a bidirectional screw; 1274. a manual tray; 1275. a lower threaded pipe; 1276. a lower assembly block; 13. connecting a hoop; 14. a movable plate; 15. and (4) stabilizing the rod.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

example (b):

as shown in the attached figure 1, the adjustable mine cave high-stability reinforcing device for coal mine safety production comprises a supporting upright post 1, a reinforcing steel plate 2, a supporting plate frame 3, a sliding cavity 4, a sliding groove 5, an auxiliary adjusting rod frame structure 6, a movable damping supporting frame structure 7, a lower adjusting seat 8, a supporting column 9, an upper adjusting seat 10, an arc-shaped top plate 11, an adjustable mounting base structure 12, a connecting hoop 13, a movable plate 14 and a stabilizing rod 15, wherein the reinforcing steel plate 2 is welded on the upper part of the periphery of the outer wall of the supporting upright post 1; the supporting plate frame 3 is respectively welded at the upper ends of the supporting upright posts 1 and the reinforcing steel plate 2; the sliding cavity 4 is formed in the middle of the inner part of the supporting plate frame 3; the sliding grooves 5 are respectively formed in the periphery of the inner part of the supporting plate frame 3 and are communicated with the sliding cavity 4; the auxiliary adjusting rod frame structure 6 is arranged in the middle of the lower end of the supporting plate frame 3; the movable damping support frame structures 7 are respectively arranged on the left side and the right side of the inner wall of the sliding cavity 4; the lower adjusting seat 8 is fixed at the upper end of the movable shock absorption supporting frame structure 7; one end of the supporting column 9 is coupled with the lower adjusting seat 8, the other end is coupled with the upper adjusting seat 10, and the supporting columns 9 are respectively arranged at the left side and the right side of the lower end of the arc-shaped top plate 11; the left side and the right side of the lower end of the arc-shaped top plate 11 are respectively welded with an upper adjusting seat 10; the adjustable mounting base structure 12 is mounted at the lower part of the outer wall of the support upright post 1; the connecting hoop 13 is sleeved on the upper part of the outer wall of the supporting upright post 1; the connecting anchor ear 13 is movably adjusted on the supporting upright post 1, then is tightly held and fixed, then the inclined stabilizing rod 15 reaches a proper angle to be matched with the supporting upright post 1 for supporting, and finally, the bolt and the nut at the connecting part of the movable plate 14 and the stabilizing rod 15 are screwed for fixing; the movable plate 14 is welded on the outer wall of the connecting hoop 13, and the rear end of the movable plate 14 is connected with the upper bolt and nut of the stabilizing rod 15.

In the above embodiment, as shown in fig. 2, specifically, the adjustable mounting base structure 12 includes a supporting seat 121, a movable slot 122, an inclined long plate 123, a reinforcing screw 124, a mounting head 125, a rotating disc 126 and an auxiliary adjusting frame structure 127, wherein the supporting seat 121 is welded to the lower end of the supporting upright 1; the movable grooves 122 are respectively arranged at the left side and the right side and the front and back parts inside the supporting seat 121; the inclined long plate 123 is coupled to the lower part of the inner wall of the movable groove 122; after the long inclined plate 123 is inclined to a proper angle, the rotating disc 126 is screwed to be matched with the reinforcing screw 124 and the mounting head 125 to drill into the ground for reinforcement; the reinforcing screw 124 is in threaded connection with the front side inside the inclined long plate 123, and meanwhile, the mounting head 125 is welded at the lower end of the reinforcing screw 124; the rotating disc 126 is welded at the upper end of the reinforcing screw 124; the auxiliary adjusting bracket structure 127 is installed at the rear of the upper surface of the inclined long plate 123.

As shown in fig. 3, in the above embodiment, specifically, the auxiliary adjusting bracket structure 127 includes an upper assembling block 1271, an upper threaded pipe 1272, a two-way screw 1273, a manual disc 1274, a lower threaded pipe 1275 and a lower assembling block 1276, where the upper assembling blocks 1271 are respectively welded around the lower portion of the outer wall of the support column 1; one end of the upper threaded pipe 1272 is coupled with the inner side of the upper assembling block 1271, and the other end is in threaded connection with the bidirectional screw 1273; the manual disc 1274 is welded in the middle of the outer wall of the bidirectional screw 1273; the manual disc 1274 is screwed and matched with the bidirectional screw 1273 to respectively rotate in the upper threaded pipe 1272 and the lower threaded pipe 1275, so that the inclined long plate 123 is driven to incline to reach a proper angle for use; one end of the lower threaded pipe 1275 is in threaded connection with the bidirectional screw 1273, and the other end of the lower threaded pipe 1275 is in shaft connection with the inner side of the lower assembly block 1276; the lower assembling block 1276 is welded at the rear part of the upper surface of the inclined long plate 123; during adjustment the upper threaded tube 1272 is tilted inside the upper assembly block 1271 and the lower threaded tube 1275 is tilted inside the lower assembly block 1276.

As shown in fig. 4, in the above embodiment, specifically, the movable shock-absorbing support frame structure 7 includes a receiving tube 71, an inserting rod 72, a positioning bolt 73, a push plate 74, a compression spring 75, a translation seat 76 and a movable pulley 77, and the receiving tube 71 is respectively bolted on the left and right sides of the inner wall of the sliding cavity 4; one end of the penetrating rod 72 is inserted into the accommodating pipe 71, and the other end is welded with a push plate 74; the positioning bolt 73 is in threaded connection with the inner side of the front inside of the accommodating pipe 71; one end of the push plate 74 is connected with the compression spring 75 through a bolt, and the other end of the push plate is connected with the translation seat 76 through a bolt; pushing the push plate 74 to match with the inserting rod 72 and the accommodating pipe 71 to reach a proper angle, and then screwing the positioning bolt 73 to fix; the translation seats 76 decibels are inserted into the left side and the right side inside the sliding cavity 4; the movable pulleys 77 are respectively coupled to the front end and the rear end of the translation seat 76, and the movable pulleys 77 are inserted into the sliding grooves 5; the translation seat 76 and the moving pulley 77 slide in the sliding chamber 4 and the sliding groove 5 to protect the compression spring 75 from being pressed.

As shown in fig. 5, in the above embodiment, specifically, the auxiliary adjusting rod frame structure 6 includes a support plate 61, a movable threaded pipe 62, a push rod 63, a worm 64, a worm wheel 65, a connecting shaft 66, a speed reducer 67 and a working motor 68, wherein the support plate 61 is welded on the middle left side and the middle right side of the inner wall of the sliding cavity 4 respectively; the movable threaded pipe 62 is arranged at the middle part of the interior of the support plate 61 through a bearing; the push rods 63 are respectively in threaded connection with the left side and the right side inside the movable threaded pipe 62; the rotating worm wheel 65 drives the worm 64 and the movable threaded pipe 62 to rotate for working, and meanwhile, the movable threaded pipe 62 drives the push rod 63 to rotate and pushes the translation seat 76 to move; the worm 64 is embedded on the outer wall of the movable threaded pipe 62; a connecting shaft 66 is embedded in the turbine 65; the left side key at the upper end of the speed reducer 67 is connected with a connecting shaft 66; the speed reducer 67 is mounted in the middle of the lower end of the support plate frame 3 through bolts; the working motor 68 is mounted at the front end of the speed reducer 67 through bolts; the working motor 68 is started to cooperate with the speed reducer 67 to drive the turbine 65 at the upper end of the threaded shaft 66 to rotate.

Principle of operation

The utility model discloses a theory of operation: the manual rotating disc 1274 is matched with the bidirectional screw 1273 to rotate in the lower threaded pipe 1275 and the upper threaded pipe 1272, so that the inclined long plate 123 is driven to incline to a proper angle, then the supporting seat 121 is close to the ground, finally the rotating disc 126 is rotated to enable the reinforcing screw 124 and the mounting head 125 to drill into the ground for reinforcing, after the mounting is completed, the driving working motor 68 is matched with the speed reducer 67 to drive the connecting shaft 66 and the turbine 65 to rotate, and simultaneously, the worm 64 and the movable threaded pipe 62 are matched to rotate, so that the push rod 63 moves to push the translation seat 76 and the movable pulley 77 to move in the sliding cavity 4 and the sliding groove 5, so that the arc-shaped top plate 11 can be matched with the supporting column 9 to support, so that auxiliary supporting can be realized, stable work can be increased, and the movable translation seat 76 and the movable pulley 77 can assist pressure reduction protection through the elasticity of the compression spring 75 in the use process.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (9)

1. An adjustable mine hole high-stability reinforcing device for coal mine safety production is characterized by comprising a supporting upright post (1), reinforcing steel plates (2), a supporting plate frame (3), a sliding cavity (4), a sliding groove (5), an auxiliary adjusting rod frame structure (6), a movable damping supporting frame structure (7), a lower adjusting seat (8), a supporting column (9), an upper adjusting seat (10), an arc-shaped top plate (11), an adjustable mounting base structure (12), a connecting hoop (13), a movable plate (14) and a stabilizing rod (15), wherein the reinforcing steel plates (2) are welded on the upper parts of the periphery of the outer wall of the supporting upright post (1) respectively; the supporting plate frame (3) is respectively welded at the upper ends of the supporting upright posts (1) and the reinforcing steel plate (2); the sliding cavity (4) is formed in the middle of the inner part of the supporting plate frame (3); the sliding grooves (5) are respectively formed in the periphery of the inner part of the supporting plate frame (3) and are communicated with the sliding cavity (4); the auxiliary adjusting rod frame structure (6) is arranged in the middle of the lower end of the supporting plate frame (3); the movable damping support frame structures (7) are respectively arranged on the left side and the right side of the inner wall of the sliding cavity (4); the lower adjusting seat (8) is fixed at the upper end of the movable damping support frame structure (7); one end of the supporting column (9) is in shaft connection with the lower adjusting seat (8), the other end of the supporting column is in shaft connection with the upper adjusting seat (10), and meanwhile, the supporting columns (9) are respectively arranged on the left side and the right side of the lower end of the arc-shaped top plate (11); the left side and the right side of the lower end of the arc-shaped top plate (11) are respectively welded with an upper adjusting seat (10); the adjustable mounting base structure (12) is mounted at the lower part of the outer wall of the support upright post (1); the connecting anchor ear (13) is sleeved on the upper part of the outer wall of the supporting upright post (1); the movable plate (14) is welded on the outer wall of the connecting hoop (13), and the rear end of the movable plate (14) is connected with the upper bolt and the upper nut of the stabilizing rod (15); the adjustable mounting base structure (12) comprises a supporting seat (121), a movable groove (122), an inclined long plate (123), a reinforcing screw rod (124), a mounting head (125), a rotating disc (126) and an auxiliary adjusting frame structure (127), wherein the supporting seat (121) is welded at the lower end of a supporting upright post (1); the movable grooves (122) are respectively arranged at the left side and the right side and the front part and the rear part inside the supporting seat (121); the inclined long plate (123) is coupled to the lower part of the inner wall of the movable groove (122) in a shaft manner; the reinforcing screw rod (124) is in threaded connection with the front side inside the inclined long plate (123), and meanwhile, the lower end of the reinforcing screw rod (124) is welded with an installation head (125); the rotating disc (126) is welded at the upper end of the reinforcing screw rod (124); the auxiliary adjusting frame structure (127) is arranged at the rear part of the upper surface of the inclined long plate (123); the auxiliary adjusting frame structure (127) comprises an upper assembling block (1271), an upper threaded pipe (1272), a bidirectional screw (1273), a manual disc (1274), a lower threaded pipe (1275) and a lower assembling block (1276), wherein the upper assembling block (1271) is respectively welded on the periphery of the lower part of the outer wall of the supporting upright post (1); one end of the upper threaded pipe (1272) is coupled with the inner side of the upper assembling block (1271), and the other end is in threaded connection with the bidirectional screw (1273); one end of the lower threaded pipe (1275) is in threaded connection with the bidirectional screw (1273), and the other end of the lower threaded pipe is in shaft connection with the inner side of the lower assembly block (1276); the lower assembling block (1276) is welded at the rear part of the upper surface of the inclined long plate (123).

2. The adjustable mine cavity high stability reinforcing device for coal mine safety production according to claim 1, wherein the inclined long plate (123) is movably fixed in the movable groove (122), the inclined long plate (123) supports the reinforcing screw rod (124), the reinforcing screw rod (124) and the mounting head (125) are assembled into a T shape, and the mounting head (125) at the lower end of the reinforcing screw rod (124) is conical.

3. The adjustable mine cave high-stability reinforcing device for coal mine safety production according to claim 1, wherein the upper threaded pipe (1272) is matched with a bidirectional screw rod (1273) to be connected with the lower threaded pipe (1275), the outer wall of the manual disc (1274) is provided with straight anti-skid grains, and the manual disc (1274) is welded in the middle of the outer wall of the bidirectional screw rod (1273).

4. The adjustable mine cavity high stability reinforcing apparatus for coal mine safety production according to claim 1, wherein the lower assembling block (1276) and the upper assembling block (1271) are respectively configured to be rectangular, and two lower assembling blocks (1276) and two upper assembling blocks (1271) are respectively configured.

5. The adjustable mine cavity high-stability reinforcing device for coal mine safety production according to claim 1, wherein the movable damping support frame structure (7) comprises a containing pipe (71), an inserting rod (72), a positioning bolt (73), a push plate (74), a compression spring (75), a translation seat (76) and a movable pulley (77), wherein the containing pipe (71) is respectively bolted on the left side and the right side of the inner wall of the sliding cavity (4); one end of the inserting rod (72) is inserted into the accommodating pipe (71), and the other end of the inserting rod is welded with a push plate (74); the positioning bolt (73) is in threaded connection with the inner side of the front part inside the accommodating pipe (71); one end of the push plate (74) is connected with the compression spring (75) through a bolt, and the other end of the push plate is connected with the translation seat (76) through a bolt; the translation seats (76) are inserted into the left side and the right side of the interior of the sliding cavity (4) in decibel; the upper end of the translation seat (76) is welded with a lower adjusting seat (8); the movable pulleys (77) are respectively coupled to the front end and the rear end of the translation seat (76), and the movable pulleys (77) are inserted into the sliding grooves (5).

6. An adjustable mine cavity high stability reinforcing device for coal mine safety production according to claim 5, characterized in that the translation seat (76) and the movable pulley (77) are respectively matched with the sliding cavity (4) and the sliding groove (5).

7. The adjustable mine cavity high-stability reinforcing device for coal mine safety production according to claim 5, wherein the joint of the accommodating pipe (71) and the inserting rod (72) is fixed through a positioning bolt (73), and the left end and the right end of the compression spring (75) respectively support against the push plate (74) and the translation seat (76).

8. The adjustable mine cavity high-stability reinforcing device for coal mine safety production is characterized in that the auxiliary adjusting rod frame structure (6) comprises a support plate (61), a movable threaded pipe (62), a push rod (63), a worm (64), a turbine (65), a connecting shaft (66), a speed reducer (67) and a working motor (68), wherein the support plate (61) is welded to the middle left side and the middle right side of the inner wall of the sliding cavity (4) respectively; the movable threaded pipe (62) is arranged at the middle part inside the support plate (61) through a bearing; the worm (64) is embedded on the outer wall of the movable threaded pipe (62); a connecting shaft (66) is embedded in the turbine (65); the left key at the upper end of the speed reducer (67) is connected with a connecting shaft (66); the speed reducer (67) is arranged in the middle of the lower end of the support plate frame (3) through bolts; the working motor (68) is mounted at the front end of the speed reducer (67) through a bolt.

9. The adjustable mine cavity high-stability reinforcing device for coal mine safety production is characterized in that two supporting plates (61) are arranged, movable threaded pipes (62) are movably supported on the supporting plates (61) respectively, push rods (63) on the outer sides of the movable threaded pipes (62) are abutted against a translation seat (76), the push rods (63) are connected to the left side and the right side of the inside of the movable threaded pipes (62) in a threaded mode respectively, the front ends of speed reducers (67) are in key connection with output shafts of working motors (68), and the speed reducers (67) are connected with worms (64) on the outer walls of the movable threaded pipes (62) through turbines (65) on connecting shafts (66).

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