CN212154849U

CN212154849U - Colliery rescue device that comes to roof in pit

Info

Publication number: CN212154849U
Application number: CN201921794937.5U
Authority: CN
Inventors: 孟庆海; 段世波; 葛彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-12-15
Anticipated expiration: 2029-10-24

Abstract

The utility model provides a colliery rescue device that comes down to roof, including the rescue layer board, remove the wheel, stand-by battery, the hydraulic pressure post is supported to the lower part, and open circuit motor can cushion the top of illumination and prevent the falling plate structure, can articulate and prevent weighing down cloth support roof structure, multiple mode traction lever structure, the drill bit of opening a way, longitudinal support board, horizontal backup pad, upper portion support hydraulic pressure post supports the chassis, upper portion support switch, lower part support switch and lighting switch, removal wheel difference bolted connection in the lower surface four corners position of rescue layer board. The arrangement of the rubber convex ball of the utility model is beneficial to playing a role of buffering when falling objects fall on the upper surface of the rubber convex ball; the arrangement of the illuminating lamp and the protective cage is beneficial to playing the role of illumination under a coal mine, and the safety of the illuminating lamp can be protected; the arrangement of the longitudinal supporting rod, the upper hand push handle, the power-assisted pull rod and the diagonal bracing reinforcing rod is beneficial to pushing or pulling, and the rescue device is moved.

Description

Colliery rescue device that comes to roof in pit

Technical Field

The utility model belongs to the technical field of rescue equipment, especially, relate to a colliery rescue device that comes down to roof.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. In the construction of coal mining, subway tunnels and the like, roof collapse and collapse often occur, so that the passage is cut off, and due to the limitation of geographical environment, large machines cannot enter the underground narrow space for rescue, cannot timely get through the life channel of trapped people, and cannot help the living people.

Particularly, with the continuous improvement of the coal yield, the safety of underground operation of the coal mine is increasingly outstanding, and the number of death people in accidents and the economic loss caused by the accidents are increasingly large; roof fall refers to the phenomenon of natural collapse of the upper rock strata during underground mining. This is due to the fact that after mining, the originally balanced mine pressure is destroyed. Coal mining operations sometimes plan to lower an upper seam of coal, also known as "roof fall".

The invention discloses a novel coal mine underground roof fall rescue device which is CN205605244U and comprises a supporting plate, a hydraulic supporting column, a hydraulic base, a hydraulic cavity, a hydraulic thrust column, a power device moving frame, a top column supporting device, a top column and a well. However, the existing coal mine roof fall rescue device also has the problems that the protection and illumination functions for the top of an open-circuit motor are lacked, and the protection device is lacked for an injured person lying on the rescue plate and the underground movement is inconvenient.

Therefore, the invention is very necessary to provide the rescue device for roof fall in the underground coal mine.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a colliery is rescue device that comes down to going down to one side is to solving current colliery rescue device that comes down to one side disappearance to open circuit motor top protection lighting function, to lying wounded person's disappearance protection device and the inconvenient problem of removal in the pit on the rescue board. A coal mine underground roof fall rescue device comprises a rescue supporting plate, moving wheels, a standby storage battery, a lower supporting hydraulic column, an open-circuit motor, a top anti-falling plate structure capable of buffering illumination, an anti-falling cloth supporting top plate structure capable of being hung, a multi-mode traction rod structure, an open-circuit drill bit, a longitudinal supporting plate, a transverse supporting plate, an upper supporting hydraulic column, a supporting chassis, an upper supporting switch, a lower supporting switch and an illumination switch, wherein the moving wheels are respectively bolted at four corners of the lower surface of the rescue supporting plate; the standby storage battery is embedded in the middle of the interior of the rescue supporting plate; the lower support hydraulic columns are respectively bolted on the left side and the right side of the front surface and the rear surface of the rescue supporting plate; the open-circuit motor is connected to the middle position of the left side of the upper surface of the rescue supporting plate through a bolt; the top anti-falling plate structure capable of buffering illumination is arranged on the left side of the transverse supporting plate; the hanging anti-falling cloth supporting top plate structure is arranged on the upper part of the upper supporting hydraulic column; the traction rod structure with multiple modes is arranged on the right side of the rescue supporting plate; the open-circuit drill bit coupling is connected to the left side of the open-circuit motor; the longitudinal supporting plates are respectively bolted on the left side and the right side of the front surface and the rear surface of the rescue supporting plate; the transverse support plate is connected to the upper part of the inner part of the longitudinal support plate through a bolt; the upper support hydraulic columns are respectively bolted at the middle positions of the upper surfaces of the rescue supporting plates; the supporting chassis is connected to the lower end of the lower supporting hydraulic column through a bolt; the upper supporting switch, the lower supporting switch and the lighting switch are sequentially embedded on the front surface of the longitudinal supporting plate arranged on the right side from top to bottom respectively; the top anti-falling plate structure capable of buffering illumination comprises a supporting top plate, an inclined stay bar, a protective cover, a rubber convex ball, a bolt nut, an illuminating lamp and a protective cage, wherein the inclined stay bar is connected to the upper part of the right side of the supporting top plate through a bolt; the protective cover is connected to the left side of the supporting top disc through a screw; the rubber convex ball is glued on the outer surface of the protective cover; the bolt and the nut are in threaded connection with the lower part of the front surface of the diagonal brace; the illuminating lamp is in threaded connection with the lamp holder at the lower part of the right side of the supporting top plate; the protective cage covers the outer surface of the illuminating lamp and is connected with the supporting top plate through screws.

Preferably, the hanging anti-falling cloth supporting top plate structure comprises a supporting top plate, a connecting sleeve, a locking bolt, a connecting hook, a connecting ring and an anti-falling cloth cover, wherein the connecting sleeve is in screwed connection with the middle position of the lower surface of the supporting top plate; the locking bolt is in threaded connection with the middle position of the front surface of the connecting sleeve; the connecting hook is in threaded connection with the inner side of the supporting top plate; the connecting ring is glued on the outer surface of the anti-falling cloth cover and is hung and connected with the connecting hook.

Preferably, the multi-mode traction rod structure comprises a longitudinal support rod, an upper hand-push handle, a power-assisted pull rod, an inclined strut reinforcing rod, a lower hand-lift handle, an anti-skidding sleeve and a traction hanging hole, wherein the upper hand-push handle is connected to the upper part of the right side of the longitudinal support rod through a bolt; the boosting pull rod is connected to the right end of the upper hand push handle through a bolt; the diagonal bracing reinforcing rod is connected to the lower part of the left side of the longitudinal bracing rod through a bolt; the lower hand lifting handle is connected to the lower part of the right side of the longitudinal support rod through a screw, and a traction hanging hole is formed in the right side of the inner part of the longitudinal support rod; the anti-skid sleeves are respectively sleeved on the outer surfaces of the upper hand-push handle and the lower hand-lift handle.

Preferably, the moving wheel is a rubber universal wheel with a brake pad; the number of the moving wheels is four.

Preferably, the supporting top disc is connected with the transverse supporting plate through bolts and nuts; the protective cage is specifically a stainless steel cage.

Preferably, the protective cover is a semicircular stainless steel cover; the rubber convex ball is a semicircular rubber ball.

Preferably, the connecting sleeve is a stainless steel pipe with one sealed end; the connecting sleeve is sleeved at the output end of the upper support hydraulic column and fixed by a locking bolt.

Preferably, the anti-falling cloth cover is a rainproof terylene cloth cover.

Preferably, the longitudinal support rod is a rectangular stainless steel rod; the longitudinal support rod is connected with the right side of the rescue supporting plate through a bolt; the lower end of the diagonal bracing reinforcing rod is connected to the middle position of the right side of the upper surface of the rescue supporting plate through a bolt.

Preferably, the anti-slip sleeve is a cylindrical rubber sleeve; the outer surface of the anti-skid sleeve is provided with cross-shaped anti-skid lines.

Preferably, the upper support switch, the lower support switch and the lighting switch are respectively and electrically connected with a standby battery; the upper supporting switch is electrically connected with the upper supporting hydraulic column, and the lower supporting switch is electrically connected with the lower supporting hydraulic column; the lighting switch is electrically connected with the lighting lamp.

Preferably, the upper supporting switch and the lower supporting switch are switches of different types respectively; the lighting switch is a switch with the type; the lower support hydraulic column specifically adopts a hydraulic jack with the model number of DS-t 90204D; the upper support hydraulic column is a hydraulic jack with the model of DS-T95007; the lighting lamp is an explosion-proof lamp with the model number of BCD; the spare storage battery is a storage battery with the model number of L2-400.

Preferably, a motor control switch is arranged on the front surface of the upper hand push handle, and the motor control switch is electrically connected with the open-circuit motor; the open-circuit motor is a motor with model number YE 2; the open-circuit motor is electrically connected with the standby storage battery.

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

1. the utility model discloses in, the setting of rubber pompon, be favorable to when having the thing that falls to fall to rubber pompon upper surface, play the effect of buffering.

2. The utility model discloses in, the protection casing specifically adopt semicircular stainless steel cover, be favorable to playing the effect of sheltering from the protection, protect the safety of lower part open circuit motor.

3. The utility model discloses in, the setting of light and protection cage, be favorable to playing the effect of illumination in the pit in the colliery to can protect the safety of light.

4. The utility model discloses in, the lower part support hydraulic pressure post, support the chassis, the setting of roof and upper portion support hydraulic pressure post is favorable to playing the effect of supporting the design, prevents to take place to collapse at rescue in-process mine.

5. The utility model discloses in, the couple, go-between and prevent weighing down the setting of cloth cover are favorable to connecting as required for prevent weighing down the cloth cover and lie in the upper portion of rescue layer board, play the effect of protection.

6. The utility model discloses in, the setting of longitudinal support pole, upper portion hand push handle, helping hand pull rod and bracing anchor strut is favorable to promoting or pulling, removes the rescue device.

7. The utility model discloses in, the lower part handle of lifting, the setting of antiskid cover and traction hanging hole is favorable to lifting according to the needs that use or connecting outside pulling equipment and pulling.

8. In the utility model, the moving wheel is a rubber universal wheel with a brake block; the movable wheels are four in number, so that the rescue device can be moved and fixed conveniently, the use convenience is improved, and the stability of the rescue device can be guaranteed.

Drawings

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

Fig. 2 is a schematic structural view of the top anti-falling plate structure with buffering illumination of the present invention.

Fig. 3 is a schematic structural view of the structure of the anti-drop cloth supporting top plate of the present invention.

Fig. 4 is a schematic structural diagram of a multi-mode traction rod structure of the present invention.

In the figure:

1. a rescue support plate; 2. a moving wheel; 3. a standby storage battery; 4. the lower part supports a hydraulic column; 5. an open circuit motor; 6. the top anti-falling plate structure can buffer illumination; 61. supporting the top plate; 62. a diagonal brace; 63. a protective cover; 64. a rubber convex ball; 65. a bolt and a nut; 66. an illuminating lamp; 67. a protective cage; 7. the anti-falling cloth can be hung on the top plate supporting structure; 71. supporting a top plate; 72. connecting a sleeve; 73. locking the bolt; 74. connecting a hook; 75. a connecting ring; 76. an anti-falling cloth cover; 8. a plurality of traction rod structures; 81. a longitudinal support bar; 82. an upper push handle; 83. a power-assisted pull rod; 84. diagonal bracing reinforcing rods; 85. a lower hand lift handle; 86. an anti-slip sleeve; 87. a traction hanging hole; 9. an open circuit drill bit; 10. a longitudinal support plate; 11. a transverse support plate; 12. the upper part supports a hydraulic column; 13. a support chassis; 14. an upper support switch; 15. a lower support switch; 16. an illumination switch.

Detailed Description

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

example (b):

as shown in the accompanying drawings 1-2, the utility model provides a colliery rescue device that comes down to roof, including rescue layer board 1, moving wheel 2, stand-by battery 3, lower part support hydraulic column 4, open circuit motor 5, can cushion the illumination prevent weighing down plate structure 6 in top, can articulate prevent weighing down cloth support roof structure 7, multiple mode traction rod structure 8, open circuit drill bit 9, vertical backup pad 10, horizontal backup pad 11, upper portion support hydraulic column 12, support chassis 13, upper portion support switch 14, lower part support switch 15 and lighting switch 16, moving wheel 2 bolted connection respectively in the lower surface four corners position of rescue layer board 1; the standby storage battery 3 is embedded in the middle position inside the rescue supporting plate 1; the lower support hydraulic columns 4 are respectively bolted on the left side and the right side of the front surface and the rear surface of the rescue supporting plate 1; the open-circuit motor 5 is connected to the middle position of the left side of the upper surface of the rescue supporting plate 1 through a bolt; the top anti-falling plate structure 6 capable of buffering illumination is arranged on the left side of the transverse supporting plate 11; the hanging anti-falling cloth supporting top plate structure 7 is arranged on the upper part of the upper supporting hydraulic column 12; the traction rod structure 8 in various modes is arranged on the right side of the rescue supporting plate 1; the open-circuit drill bit 9 is connected to the left side of the open-circuit motor 5 through a coupler; the longitudinal supporting plates 10 are respectively bolted on the left side and the right side of the front surface and the rear surface of the rescue supporting plate 1; the transverse support plate 11 is connected with the upper position of the inner part of the longitudinal support plate 10 through bolts; the upper support hydraulic columns 12 are respectively bolted at the middle positions of the upper surface of the rescue supporting plate 1; the supporting chassis 13 is connected with the lower end of the lower supporting hydraulic column 4 through bolts; the upper supporting switch 14, the lower supporting switch 15 and the lighting switch 16 are respectively embedded on the front surface of the longitudinal supporting plate 10 arranged on the right side from top to bottom in sequence; the top anti-falling plate structure 6 capable of buffering illumination comprises a supporting top plate 61, an inclined stay bar 62, a protective cover 63, a rubber convex ball 64, a bolt nut 65, an illuminating lamp 66 and a protective cage 67, wherein the inclined stay bar 62 is connected to the upper right side of the supporting top plate 61 in a bolted mode; the protective cover 63 is connected to the left side of the supporting top disc 61 through screws; the rubber convex ball 64 is glued on the outer surface of the protective cover 63; the bolt and nut 65 is in threaded connection with the lower position of the front surface of the inclined strut 62; the illuminating lamp 66 is in threaded connection with the lamp holder at the lower part of the right side of the supporting top disc 61; the protective cage 67 covers the outer surface of the illuminating lamp 66 and is in screw connection with the supporting top disc 61; the brake block on the moving wheel 2 is fixed, the illuminating lamp 66 is started through the illuminating switch 16 to illuminate as required, the wounded person is lifted to the upper surface of the rescue supporting plate 1, and the wounded person is connected with external equipment to be dragged and rescued.

In the above embodiment, as shown in fig. 3, specifically, the suspensible fall-prevention cloth supporting top plate structure 7 comprises a supporting top plate 71, a connecting sleeve 72, a locking bolt 73, a connecting hook 74, a connecting ring 75 and a fall-prevention cloth cover 76, wherein the connecting sleeve 72 is screwed in the middle of the lower surface of the supporting top plate 71; the locking bolt 73 is in threaded connection with the middle position of the front surface of the connecting sleeve 72; the connecting hook 74 is in threaded connection with the inner side of the supporting top plate 71; the connecting ring 75 is glued on the outer surface of the anti-falling cloth cover 76 and is arranged in a hanging way with the connecting hook 74.

In the above embodiment, as shown in fig. 4, in particular, the multi-mode drawbar structure 8 includes a longitudinal support bar 81, an upper handle 82, a power-assisted drawbar 83, a diagonal bracing reinforcement bar 84, a lower lifting handle 85, an anti-skid sleeve 86 and a towing hanging hole 87, wherein the upper handle 82 is bolted to the upper right side of the longitudinal support bar 81; the boosting pull rod 83 is connected to the right end of the upper hand push handle 82 through a bolt; the diagonal bracing reinforcing rod 84 is in bolted connection with the lower position of the left side of the longitudinal bracing rod 81; the lower hand lifting handle 85 is connected to the lower part of the right side of the longitudinal support rod 81 through a screw, and a traction hanging hole 87 is formed in the right side of the inner part of the lower hand lifting handle; the anti-skid sleeves 86 are respectively sleeved on the outer surfaces of the upper hand-push handle 82 and the lower hand-lift handle 85; the rescue device is pushed by holding the upper hand push handle 82 and the anti-slip sleeve 86 by hand, the rescue device is moved under the action of the moving wheel 2, when a blockage is found in front in the pushing process, the motor control switch embedded on the front surface of the upper hand push handle 82 starts the open-circuit motor 5 to drive the open-circuit drill bit 9 to open a circuit, and a rescuer cleans the blockage by using a tool, so that the cleaning efficiency is improved; the upper supporting hydraulic column 12 is started through the upper supporting switch 14 to drive the supporting roof 71 to be tightly propped against the upper surface of the mine, the lower supporting hydraulic column 4 is started through the lower supporting switch 15 to drive the supporting chassis 13 to be tightly propped against the lower surface of the mine, the supporting effect is achieved, the connecting ring 75 is hung on the connecting hook 74, the anti-falling cloth cover 76 is located between the supporting roof 71 and located on the upper portion of the rescue supporting plate 1, and the effect of shielding and preventing falling is achieved.

In the above embodiment, specifically, the moving wheel 2 specifically adopts a rubber universal wheel with a brake pad; the number of the moving wheels 2 is four.

In the above embodiment, specifically, the supporting top plate 61 is connected with the transverse supporting plate 11 through the bolt and nut 65; the protective cage 67 is specifically a stainless steel cage.

In the above embodiment, specifically, the protective cover 63 specifically adopts a semicircular stainless steel cover; the rubber convex ball 64 is a semicircular rubber ball.

In the above embodiment, specifically, the connection sleeve 72 specifically adopts a stainless steel pipe with one end sealed; the connecting sleeve 72 is sleeved on the output end of the upper support hydraulic column 12 and fixed by a locking bolt 73.

In the above embodiment, the anti-falling cloth cover 76 is made of a rain-proof polyester cloth cover.

In the above embodiment, specifically, the longitudinal support rod 81 specifically adopts a rectangular stainless steel rod; the longitudinal support rod 81 is connected with the right side of the rescue supporting plate 1 through a bolt; the lower end of the diagonal bracing reinforcing rod 84 is bolted to the middle position of the right side of the upper surface of the rescue supporting plate 1.

In the above embodiment, specifically, the anti-slip sleeve 86 specifically adopts a cylindrical rubber sleeve; the outer surface of the anti-skid sleeve 86 is provided with cross-shaped anti-skid lines.

In the above embodiment, specifically, the upper support switch 14, the lower support switch 15 and the illumination switch 16 are respectively electrically connected to the backup battery 3; the upper support switch 14 is electrically connected with the upper support hydraulic column 12, and the lower support switch 15 is electrically connected with the lower support hydraulic column 4; the illumination switch 16 is electrically connected to the illumination lamp 66.

In the above embodiment, specifically, the upper support switch 14 and the lower support switch 15 are respectively switches of different types; the lighting switch 16 is a switch with a model number; the lower support hydraulic column 4 is a hydraulic ram with a model number DS-t 90204D; the upper support hydraulic column 12 is a hydraulic jack with a model number of DS-T95007; the illuminating lamp 66 is an explosion-proof lamp with a BCD model; the spare storage battery 3 is a storage battery with the model number of L2-400.

In the above embodiment, specifically, the front surface of the upper handle 82 is provided with a motor control switch, and the motor control switch is electrically connected to the open-circuit motor 5; the open-circuit motor 5 is a motor with model number YE 2; the open-circuit motor 5 is electrically connected with the standby storage battery 3.

Principle of operation

In the utility model, when the device is used in the underground of a coal mine, the upper hand push handle 82 and the anti-slip sleeve 86 are held by hand to push the rescue device, the rescue device is moved under the action of the moving wheel 2, when a blockage is found in the front in the pushing process, the motor control switch embedded on the front surface of the upper hand push handle 82 is used for starting the open-circuit motor 5 to drive the open-circuit drill bit 9 to open a circuit, a rescuer cleans the blockage by using tools to improve the cleaning efficiency, after the blockage reaches the rescue position, the brake pad on the moving wheel 2 is fixed, the upper support hydraulic column 12 is started by the upper support switch 14 to drive the support top plate 71 to be tightly propped against the upper surface of the mine, the lower support hydraulic column 4 is started by the lower support switch 15 to drive the support bottom plate 13 to be tightly propped against the lower surface of the mine, the supporting function is achieved, the connecting ring 75 is hung on the anti-falling cloth cover 76, so that the anti-, and is positioned at the upper part of the rescue supporting plate 1 to play the role of shielding and preventing falling; the illuminating lamp 66 is started through the illuminating switch 16 to illuminate as required, the wounded person is lifted to the upper surface of the rescue supporting plate 1, and external equipment is connected to drag and rescue the wounded person.

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

1. The coal mine underground roof fall rescue device is characterized by comprising a rescue supporting plate (1), moving wheels (2), a standby battery (3), a lower support hydraulic column (4), an open-circuit motor (5), a top anti-falling plate structure (6) capable of buffering illumination, an anti-falling cloth support top plate structure (7), a multi-mode traction rod structure (8), an open-circuit drill bit (9), a longitudinal support plate (10), a transverse support plate (11), an upper support hydraulic column (12), a support chassis (13), an upper support switch (14), a lower support switch (15) and a lighting switch (16), wherein the moving wheels (2) are respectively bolted at four corners of the lower surface of the rescue supporting plate (1); the standby storage battery (3) is embedded in the middle position inside the rescue supporting plate (1); the lower support hydraulic columns (4) are respectively bolted on the left side and the right side of the front surface and the rear surface of the rescue supporting plate (1); the open-circuit motor (5) is connected to the middle position of the left side of the upper surface of the rescue supporting plate (1) through a bolt; the top anti-falling plate structure (6) capable of buffering illumination is arranged on the left side of the transverse supporting plate (11); the hanging anti-falling cloth supporting top plate structure (7) is arranged on the upper part of the upper supporting hydraulic column (12); the traction rod structure (8) in various modes is arranged on the right side of the rescue supporting plate (1); the open-circuit drill bit (9) is connected to the left side of the open-circuit motor (5) through a coupler; the longitudinal supporting plates (10) are respectively bolted at the left side and the right side of the front surface and the rear surface of the rescue supporting plate (1); the transverse support plate (11) is connected with the upper position inside the longitudinal support plate (10) through bolts; the upper support hydraulic columns (12) are respectively bolted at the middle positions of the upper surfaces of the rescue supporting plates (1); the supporting chassis (13) is connected with the lower end of the lower supporting hydraulic column (4) through bolts; the upper supporting switch (14), the lower supporting switch (15) and the lighting switch (16) are respectively embedded on the front surface of the longitudinal supporting plate (10) arranged on the right side from top to bottom in sequence; the top anti-falling plate structure (6) capable of buffering illumination comprises a supporting top plate (61), an inclined stay bar (62), a protective cover (63), a rubber convex ball (64), a bolt nut (65), an illuminating lamp (66) and a protective cage (67), wherein the inclined stay bar (62) is in bolted connection with the upper position of the right side of the supporting top plate (61); the protective cover (63) is connected to the left side of the supporting top disc (61) through screws; the rubber convex ball (64) is glued on the outer surface of the protective cover (63); the bolt and nut (65) is in threaded connection with the lower part of the front surface of the inclined strut (62); the illuminating lamp (66) is in threaded connection with the lamp holder at the lower part of the right side of the supporting top disc (61); the protective cage (67) covers the outer surface of the illuminating lamp (66) and is in screw connection with the supporting top plate (61).

2. The coal mine underground roof fall rescue device according to claim 1, characterized in that the hitchable anti-falling cloth supporting roof structure (7) comprises a supporting roof (71), a connecting sleeve (72), a locking bolt (73), a connecting hook (74), a connecting ring (75) and an anti-falling cloth cover (76), wherein the connecting sleeve (72) is screwed in the middle position of the lower surface of the supporting roof (71); the locking bolt (73) is in threaded connection with the middle position of the front surface of the connecting sleeve (72); the connecting hook (74) is in threaded connection with the inner side of the supporting top plate (71); the connecting ring (75) is glued on the outer surface of the anti-falling cloth cover (76) and is arranged in a hanging way with the connecting hook (74).

3. The coal mine underground roof fall rescue device according to claim 1, characterized in that the multi-mode draw bar structure (8) comprises a longitudinal support bar (81), an upper hand push handle (82), a power-assisted draw bar (83), a diagonal bracing reinforcing bar (84), a lower hand push handle (85), an anti-skid sleeve (86) and a traction hanging hole (87), wherein the upper hand push handle (82) is in bolted connection with the upper position of the right side of the longitudinal support bar (81); the power-assisted pull rod (83) is connected to the right end of the upper hand-push handle (82) through a bolt; the diagonal bracing reinforcing rod (84) is connected to the lower part of the left side of the longitudinal bracing rod (81) through a bolt; the lower hand-lifting handle (85) is connected to the lower part of the right side of the longitudinal support rod (81) through a screw, and a traction hanging hole (87) is formed in the right side of the inner part of the lower hand-lifting handle; the anti-skid sleeves (86) are respectively sleeved on the outer surfaces of the upper hand-push handle (82) and the lower hand-lift handle (85).

4. The coal mine underground roof fall rescue device according to claim 1, characterized in that the moving wheel (2) is a rubber universal wheel with a brake pad; the number of the moving wheels (2) is four.

5. The coal mine underground roof fall rescue device according to claim 1, characterized in that the supporting top plate (61) is connected with the transverse supporting plate (11) through bolts and nuts (65); the protection cage (67) is a stainless steel cage.

6. The coal mine underground roof fall rescue device according to claim 1, characterized in that the protective cover (63) is a semicircular stainless steel cover; the rubber convex ball (64) is a semicircular rubber ball.

7. The coal mine underground roof fall rescue device as claimed in claim 2, characterized in that the connecting sleeve (72) is a stainless steel pipe with one sealed end; the connecting sleeve (72) is sleeved at the output end of the upper supporting hydraulic column (12) and fixed by a locking bolt (73).

8. The rescue device for roof fall in a coal mine well according to claim 2, characterized in that the anti-falling cloth cover (76) is a rain-proof polyester cloth cover.

9. The coal mine underground roof fall rescue device according to claim 3, characterized in that the longitudinal support bar (81) is a rectangular stainless steel bar; the longitudinal supporting rod (81) is connected with the right side of the rescue supporting plate (1) through a bolt; the lower end of the diagonal bracing reinforcing rod (84) is connected to the middle position of the right side of the upper surface of the rescue supporting plate (1) through a bolt.

10. The coal mine underground roof fall rescue device according to claim 3, characterized in that the anti-skid sleeve (86) is a cylindrical rubber sleeve; the outer surface of the anti-skid sleeve (86) is provided with cross-shaped anti-skid grains.