Lifting equipment for coal mine emergency rescue

Abstract

The lifting equipment has a supporting part, plate 1, a lifting part, base 40, a movable part, rod 10, a lifting mechanism, motor 15 and limiting rod 24 and a winding mechanism connected to steel rope 23. One side of the supporting part has rotating parts, plates 2, and a rotating portion, rod 4, between the two rotating parts. A wire reeling part, rod 5, is fixedly arranged outside the rotating portion whilst a traction part, rope 6, is wound around the outside of the wire reeling part, and the bottom end of the traction part is connected to the lifting part. The traction part is externally provided with a connecting part, block 8, and the sidewall of the connecting part is provided with a fixing part, block 9, which is driven into the mine wall when the steel rope is tightened pulling transmission parts 7 downwardly. This forms a ladder structure using rods 10.

Description

TECHNICAL FIELD The present disclosure relates to the field of coal mine lifting equipment, and in particular 5 relates to lifting equipment for coal main emergency rescue. BACKGROUND Coal mine is an area where human beings exploit coal resources in coal-rich mining areas. Coal mining is generally carried out underground, including digging tunnels underground 10 and extracting coal. When an accident occurs in the coal mine during mining, it is necessary to use lifting equipment to rescue people inside the mine. The existing equipment for coal mine emergency rescue usually employs winches and steel wire ropes for lifting and rescue. However, the steel wire rope is poor in stability, the hanging frame suspended below the steel wire rope is prone to shaking, leading to unstable standing 15 of rescuers and prone to safety accidents. Moreover, trapped people need to be suspended above the mine hole in batches, the rescue efficiency is slow, and the normal progress of coal mine rescue work is affected. SUMMARY 20 An objective of the present disclosure is to provide lifting equipment for coal mine emergency rescue to solve the problem provided by the background art. To achieve the objective above, the present disclosure provides the following technical solution: Lifting equipment for coal mine emergency rescue comprises a supporting part, and further 25 comprises: a lifting part, wherein one side of the supporting part is provided with rotating parts, a rotating portion is provided between the two rotating parts; a wire reeling part is fixedly arranged outside the rotating portion, a traction part is wound around the outside of the wire 30 08 24 reeling part, and the bottom end of the traction part is connected to the lifting part; a movable part, wherein the traction part is externally provided with a connecting part, the sidewall of the connecting part is provided with a fixing part, and a transmission part is rotatably arranged outside the connector; two of the transmission parts are rotatably 5 connected by the movable part arranged at the ends thereof, and steel wire ropes are arranged between the plurality of movable parts; a lifting mechanism, arranged outside the supporting part and connected to the traction part; a winding mechanism, connected to the steel wire rope, wherein the lifting part is 10 driven by the lifting mechanism to move up and down in a manner of winding / unwinding the traction part, the movable parts are driven by the winding mechanism to move downwards by pulling the steel wire ropes, and the plurality of movable parts are tightened by the steel wire ropes so as to form a life-saving ladder for emergency rescue; the movable parts are in fit with the drive parts to drive two fixing parts to be away from each other, and the fixing 15 parts are configured to fix the traction parts in a manner of pressing against the inner wall of the mine hole; wherein, the lifting mechanism comprises a power part arranged outside the rotating part and capable of driving the rotating portion to rotate, a limiting hole arranged outside the rotating portion, and a limiting part slidingly arranged inside the limiting hole; 20           and wherein, the winding device comprises a lifting portion arranged at the top of the lifting part, a protective part arranged outside the lifting portion, a driving part arranged in the protective part, and a wire reeling portion arranged on the driving part and connected to the steel wire rope. In an optional technical solution, the supporting part is externally provided with a fixing 25 assembly for connecting the rotating part. In an optional technical solution, the fixing assembly comprises sliding parts, fixed portions, and elastic parts; both sides of the supporting part are provided with mounting grooves, the fixed portions are arranged in the mounting grooves, and the two sliding parts are slidingly sleeved outside the fixed portions; one end of the rotating part penetrates into the mounting groove and is rotatably connected to the sliding part, and the elastic part is sleeved outside the fixed portion and is in contact with the sliding part. In an optional technical solution, the two ends of the steel wire rope are provided with fixed rings, the central position of the movable part is provided with a mounting part, and the mounting part is externally provided with a pothook in fit with the fixed ring. In an optional technical solution, both sides of the lifting portion are provided with mounting portions, a sliding portion is slidingly arranged on the mounting portion, one end of the sliding portion is provided with a roller, and the sliding portion is sleeved with a spring. Compared with the prior art, the present disclosure has the beneficial effects as follows: In accordance with the lifting equipment for coal mine emergency rescue, the lifting part is driven by the lifting mechanism to move up and down by winding / unwinding the traction part, the movable parts are driven by the winding mechanism to move downwards by pulling the steel wire ropes, the plurality of movable parts are tightened by the steel wire ropes to form a life-saving ladder for emergency rescue; the movable parts are in fit with the drive parts to drive two fixing parts to be away from each other, and the fixing parts are configured to fix the traction parts by pressing against the inner wall of the mine hole, thus preventing the safety accidents caused by the shaking of the traction part when the lifting part is suspended in the air. During use of the life-saving ladder, the movable parts is subjected to downward acting force to press against the transmission plates, the fixing parts are in contact with the inner wall of the mine hole and are configured to support the transmission parts, thus preventing the movable parts from falling down during use and guaranteeing the stability and security of the life-saving ladder during use. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view of lifting equipment for coal mine emergency rescue. FIG. 2 is a left view of lifting equipment for coal mine emergency rescue. FIG. 3 is a structure diagram of a supporting plate in the lifting equipment for coal mine emergency rescue. FIG. 4 is a structure diagram of a movable rod in the lifting equipment for coal mine emergency rescue. FIG. 5 is a structure diagram of a connecting block in the lifting equipment for coal mine emergency rescue. FIG. 6 is a structure diagram of a fixed ring in the lifting equipment for coal mine emergency rescue. FIG. 7 is a partial enlarged view of a portion A in the lifting equipment for coal mine emergency rescue. FIG. 8 is a sectional view of a protective box in the lifting equipment for coal mine emergency rescue. In the drawings: 1-supporting plate; 101-mounting groove; 102-square groove; 2-rotating plate; 3-connecting rod; 4-rotating rod; 401-limiting hole; 5-wire reeling rod; 6-traction rope; 7-transmission plate; 8-connecting block; 801-fixing groove; 9-fixing block; 10-movable rod; 11-mounting block; 12-fixed rod; 13-sliding block; 14-supporting spring; 15-motor; 16-supporting rod; 17-spring; 18-buffer block; 19-telescopic rod; 20-bottom plate; 21-pothook; 22-fixed ring; 23-steel wire rope; 24-limiting rod; 25-threaded rod; 26-handle; 27-protective box; 28-guide wheel; 29-driving rod; 30-limiting block; 31-reel; 32-connecting spring; 33-pull rod; 34-buffer spring; 35-lifting plate; 351-fixing hole; 36-roller; 37-sliding rod; 38-limiting plate; 39-fixing plate; 40-lifting box; 41-sleeve. DETAILED DESCRIPTION OF THE EMBODIMENTS To make the objectives, technical solutions and advantages of the present disclosure more clearly, the present disclosure is further described in detail in the following with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are merely used to explain the present disclosure, and are not intended to limit the present disclosure. The specific implementation of the present disclosure is described in detail in the following with reference to the specific embodiments. As shown in FIG. 1 to FIG. 6, lifting equipment for coal mine emergency rescue is provided by an embodiment of the present disclosure. The lifting equipment comprises a supporting part, and further comprises: a lifting part, wherein one side of the supporting part is provided with rotating parts, the supporting part and the lifting part are a supporting plate 1 and a lifting box 40, respectively; the bottom of the supporting plate 1 is provided with a supporting rod 16, the central position of the supporting plate 1 is provided with a square groove 102, the supporting plate 1 is placed above a mine hole needing the rescue, the square groove 102 is located above the entrance of the mine hole, the lifting box 40 is placed in the mine hole to convey constructors and relief items: a rotating portion is provided between the two rotating parts, and the rotating part and the rotating portion are a rotating plate 2 and a rotating rod 4, respectively; both sides of the supporting plate 1 are respectively provided with two rotating plates 2, the tops of the two rotating plates 2 on the same side are rotatably connected, the tops of the four rotating plates 2 are rotatably connected to a connecting rod 3; wire reeling parts are fixedly arranged outside the rotating portions, and the wire reeling part is a wire reeling rod 5 fixedly arranged on the rotating rod 4; four wire reeling rods 5 are located above the square groove 102; a traction part is wound around the outside of each wire reeling part, and the traction part is a traction rope 6 wound around the wire reeling rod 5; and a lifting plate 35 is arranged on the lifting box 40, and the bottom ends of the four traction ropes 6 are respectively connected to one side of the lifting plate 35; a movable part, wherein the traction part is externally provided with a connecting part, and the connecting part is a connecting block 8; a fixing groove 801 in fit with the traction rope 6 is formed in the connecting block 8, and the connecting block 8 is provided with a threaded rod 25 for fixing the traction rope 6; the traction rope 6 slides in the connecting block 8 through the fixing groove 801, the threaded rod 25 is driven by a handle 26 to rotate, and then the threaded rod 25 is screwed into the connecting block 8 to fix the traction rope 6; the sidewall of the connecting part is provided with a fixing part, the fixing part is a fixing block 9 fixedly arranged outside the connecting block 8; a transmission part is rotatably arranged outside the connecting part, and the transmission part is a transmission plate 7; two transmission parts are rotatably connected by the movable part at the ends thereof; the movable part is a movable rod 10 arranged between the transmission plates 7; two transmission plates 7 are rotatably arranged at the two ends of the movable rod 10, respectively; one end of each of the four transmission plates 7 is provided with the connecting block 8; the connecting block 8 may be taken off from the traction rope 6, and steel wire ropes 23 are arranged between the plurality of movable parts; a lifting mechanism, arranged outside the supporting part and connected to the traction part; a winding mechanism, connected to the steel wire rope 23, wherein the lifting part is driven by the lifting mechanism to move up and down by winding / unwinding the traction part, the movable parts are driven by the winding mechanism to move downwards by pulling the steel wire ropes 23, and the plurality of movable parts are tightened by the steel wire ropes 23 so as to form a life-saving ladder for emergency rescue; the movable parts are in fit with the drive parts to drive two fixing parts to be away from each other, and the fixing parts are configured to fix the traction parts by pressing against the inner wall of the mine hole. As shown in FIG. 1 to FIG. 3, as a preferred embodiment of the present disclosure, the lifting mechanism comprises a power part arranged outside the rotating part and capable of driving the rotating portion to rotate, a limiting hole 401 arranged outside the rotating portion, and a limiting part slidingly arranged in the limiting hole 401. The power part and the limiting part are a motor 15 and a limiting rod 24, respectively. When the lifting box 40 needs to be moved up and down, the limiting rod 24 is taken down, the motor 15 drives the rotating rod 4 to rotate, the rotating rod 4 drives the wire reeling rod 5 to rotate, the wire reeling rod 5 drives the lifting box 40 to move up and down by the traction rope 6, and after the rescue position is suitable, the limiting rod 24 is inserted into the limiting hole 401 to fix the rotating rod 4. As shown in FIG. 1 to FIG. 3, as a preferred embodiment of the present disclosure, the winding mechanism comprises a lifting portion arranged at the top of the lifting part, a protective part arranged outside the lifting portion, a driving part arranged in the protective part, and a wire reeling part arranged on the driving part and connected to the steel wire rope 23, where the lifting portion is a lifting plate 35 fixedly arranged on the lifting box 40, and the protective part is a protective box 27 arranged on the lifting plate 35. The driving part and the wire winding portion are a driving rod 29 and a reel 31, respectively. The protective box 27 is externally provided with a guide wheel 28. One end of the steel wire rope 23 penetrates through the guide wheel 28 and is connected to the reel 31, the driving rod 29 is externally provided with a pull rod 33, one end of the pull rod 33 is provided with a limiting block 30, and the limiting block 30 is connected to the driving rod 29 by a connecting spring 32. A fixing hole 351 is formed in the lifting plate 35, the driving rod 29 is driven by the pull rod 33 to rotate, the driving rod 29 drives the reel 31 to rotate so as to wind / unwind the steel wire rope 23, and after the winding / unwinding is completed, one end of the pull rod 33 is inserted into the fixing hole 351. As shown in FIG. 1, as a preferred embodiment of the present disclosure, the supporting part is externally provided with a fixing assembly for connecting the rotating part. As shown in FIG. 1 to FIG. 3, as a preferred embodiment of the present disclosure, the fixing assembly comprises sliding parts, fixed portions, and elastic parts. Both sides of the supporting part are provided with mounting grooves 101, the fixed portions are arranged in the mounting grooves 101, and the two sliding parts are slidingly sleeved outside the fixed portions. One end of the rotating part penetrates into the mounting groove 101 and is rotatably connected to the sliding part, and the elastic part is sleeved outside the fixed portion and is in contact with the sliding part. The sliding part and the fixed portion are a sliding block 13 and a fixed rod 12, respectively, and the elastic part is a supporting spring 14. The supporting spring 14 is configured to support the sliding block 13, and the rotating plate 2 is rotatably connected to the outside of the sliding block 13. The sliding block 13 is sleeved outside the fixed rod 12 through an internally provided threaded hole, and the fixed rod 12 is externally provided with external threads in fit with the threaded hole. A spacing distance between the two sliding blocks 13 in the mounting groove 101 can be adjusted by rotating the fixed rod 12, the sliding blocks 13 drive the rotating rods 4 and the wire reeling rods 5 to move left and right by the transmission plates 7, thus adjusting the spacing distance between the wire reeling rods 5 and facilitating the rescue of the mine holes with different sizes by the device. The supporting spring 14 is configured to support the sliding block 13 by the elasticity, thus preventing the sliding block 13 from colliding with the supporting plate 1 after the threads slip. As shown in FIG. 2 to FIG. 4, as a preferred embodiment of the present disclosure, the two ends of the steel wire rope 23 are both provided with fixed rings 22. The central position of the movable part is provided with a mounting part, and the mounting part is a mounting block 11 fixedly arranged on the movable rod 10. The mounting part is externally provided with a pothook 21 in fit with the fixed ring 22. The plurality of movable rods 10 are vertically distributed in the mine hole. The steel wire ropes 23 are connected to the movable rods 10 by the fixed rings 22 and the pothooks 21, and the movable rods 10 are connected by the steel wire ropes 23. The endmost steel wire rope 23 penetrates into the protective box 27 and is connected to the reel 31 to facilitate the dismounting and storage of the subsequent steel wire ropes 23. The reel 31 is driven by the driving rod 29 to rotate, the steel wire rope 23 is wound around the reel 31 to pull the movable rod 10 downwards, the top ends of the transmission plates 7 are pressed downwards by the movable rod 10, then the transmission plates 7 rotate to drive two fixing blocks 9 to be away from each other, then the fixing blocks 9 are in contact with the inner wall of the mine hole. The plurality of fixing blocks 9 distributed on the traction ropes 6 are all in contact with the interior of the mine hole, thus the traction ropes 6 are fixed to prevent safety accidents caused by the shaking of the traction ropes 6 when the lifting box 40 is suspended in the air. The plurality of movable rods 10 form a lifesaving ladder for rescue, thus facilitating users to climb out from the mine hole. During use of the life-saving ladder, the movable rods 10 subjected to the downward acting force press against the transmission plates 7 downwards, the fixing blocks 9 are in contact with the inner wall of the mine hole so as to support the transmission plates 7, thus preventing the movable rods 10 from falling down during use and guaranteeing the stability and security of the life-saving ladder during use. As shown in FIG. 1, as a preferred embodiment of the present disclosure, both sides of the lifting portion are provided with mounting portions. The mounting portion is slidingly provided with a sliding portion, one end of the sliding portion is provided with a roller 36, and the sliding portion is sleeved with a spring 17. The mounting portion and the sliding portion are a fixed plate 39 and a sliding rod 37, respectively. One end of the sliding rod 37 is provided with a roller 36 in contact with the inner wall of the mine hole, and the other end of the sliding rod 37 is provided with a limiting plate 38. The spring 17 is in contact with the limiting plate 38. The lifting plate 35 is externally provided with a plurality of rollers 36 around, and the rollers 36 are in contact with the inner wall of the mine hole to prevent the lifting box 40 from deflecting when moving up and down. As shown in FIG. 1, as a preferred embodiment of the present disclosure, the bottom of the lifting box 40 is provided with sleeves 41, the sleeves 41 each are internally provided with a buffer spring 34 and a telescopic rod 19. A bottom plate 20 is arranged between the two telescopic rods 19, one side of the bottom plate 20 is provided with a plurality of buffer blocks 18 capable of buffering and damping the lifting box 40 when the lifting box 40 falls to the bottom of the mine hole. In an embodiment, the structure of the lifting mechanism is not limited, and a cylinder may be employed to drive the lifting box 40 to move up and down. In the embodiment, preferably, please referring to FIG. 1, the lifting mechanism employs the motor and the traction rope 6 to drive the lifting box 40 to move up and down. The structure of the winding mechanism is not limited, a winch may be employed to wind the steel wire ropes 23. In the embodiment, preferably, please referring to FIG. 1, the winding mechanism employs the driving rod 29 and the reel 31 to wind the steel wire rope 23. In the embodiments of the present disclosure above, lifting equipment for coal mine emergency rescue is provided. The supporting plate 1 is placed above the mine hole needing the rescue, the lifting box 40 is placed into the mine hole, and the two fixed rods 12 are rotated to adjust the spacing distance between the wire reeling rods 5 according to the size of the mine hole, the motor 15 drives the wire reeling rods 5 to rotate, the traction rope 6 is loosened to lower the lifting box 40 into the mine hole. The connecting blocks 8 and the transmission plates 7 are installed on the traction rope 6 at certain intervals, the movable rod 11 is arranged between the transmission plates 7, and the steel wire rope 23 is suspended between the movable rods 10. When the lifting box 40 is lowered to the rescue region, the limiting rod 24 is inserted into the limiting hole 401 to fix the rotating rod 4, thus the lifting box 40 cannot move downwards. The reel 31 is driven by the driving rod 29 to rotate, the steel wire rope 23 is wound around the reel 31 to pull the movable rod 10 downwards. The movable rod 10 presses against the top ends of the transmission plates 7 downwards, the transmission plates 7 rotate to drive the two fixing blocks 9 to be away from each other. The fixing blocks 9 are in contact with the inner wall of the mine hole to fix the traction rope 6, thus preventing safety accidents caused by the shaking of the traction rope 6 when the lifting box 40 is suspended in the air. The plurality of movable rods 10 arranged between the traction ropes 6 and the steel wire ropes 23 form a life-saving ladder for rescue, thus facilitating the users to climb out from the mine hole. The foregoing are merely specific embodiments of the present disclosure, and the scope of protection of the present disclosure is not limited thereto. Changes or substitutions that anyone skilled in the art may easily conceive within the technical scope disclosed in the present disclosure should be covered within by the present disclosure. Therefore, the scope of protection of the present disclosure should be subject to the scope of the claims as listed in the following.

Claims

1. Lifting equipment for coal mine emergency rescue, comprising a supporting part, wherein the lifting equipment further comprises:a lifting part, wherein one side of the supporting part is provided with rotating parts, a5 rotating portion is provided between the two rotating parts; a wire reeling part is fixedly arranged outside the rotating portion, a traction part is wound around the outside of the wire reeling part, and the bottom end of the traction part is connected to the lifting part;a movable part, wherein the traction part is externally provided with a connecting part, the sidewall of the connecting part is provided with a fixing part, and a transmission part is10 rotatably arranged outside the connector; two of the transmission parts are rotatably connected by the movable part arranged at the ends thereof, and steel wire ropes are arranged between the plurality of movable parts;a lifting mechanism, arranged outside the supporting part and connected to the traction part;15 a winding mechanism, connected to the steel wire rope, wherein the lifting part is driven by the lifting mechanism to move up and down by winding / unwinding the traction part, the movable parts are driven by the winding mechanism to move downwards by pulling the steel wire ropes, and the plurality of movable parts are tightened by the steel wire rope so as to form a life-saving ladder for emergency rescue; the movable parts are in fit with the20 drive parts to drive two fixing parts to be away from each other, and the fixing parts are configured to fix the traction parts in a manner of pressing against the inner wall of the mine hole;wherein the lifting mechanism comprises a power part arranged outside the rotating part and capable of driving the rotating portion to rotate, a limiting hole arranged outside the25 rotating portion, and a limiting part slidingly arranged inside the limiting hole.30 08 24wherein the winding device comprises a lifting portion arranged at the top of the lifting part, a protective part arranged outside the lifting portion, a driving part arranged in the protective part, and a wire reeling portion arranged on the driving part and connected to the steel wire rope.5   2. The lifting equipment for coal mine emergency rescue according to claim 1, whereinthe supporting part is externally provided with a fixing assembly for connecting the rotating part.

3. The lifting equipment for coal mine emergency rescue according to claim 2, wherein the fixing assembly comprises sliding parts, fixed portions, and elastic parts; both sides of 10 the supporting part are provided with mounting grooves, the fixed portions are arranged in the mounting grooves, and the two sliding parts are slidingly sleeved outside the fixed portions; one end of the rotating part penetrates into the mounting groove and is rotatably connected to the sliding part, and the elastic part is sleeved outside the fixed portion and is in contact with the sliding part.15   4. The lifting equipment for coal mine emergency rescue according to claim 1, whereinthe two ends of the steel wire rope are provided with fixed rings, the central position of the movable part is provided with a mounting part, and the mounting part is externally provided with a pothook in fit with the fixed ring.

5. The lifting equipment for coal mine emergency rescue according to claim 2, wherein 20 both sides of the lifting portion are provided with mounting portions, a sliding portion is slidingly arranged on the mounting portion, one end of the sliding portion is provided with a roller, and the sliding portion is sleeved with a spring.

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