A mine pneumatic monorail crane

Abstract

The application discloses a mine pneumatic monorail crane and relates to the technical field of mine equipment. The mine pneumatic monorail crane comprises a pipeline supporting device. The mine pneumatic monorail crane is characterized in that, through the pipeline supporting device, the arc-shaped supporting plate moves synchronously with the pipeline during the process of continuously discharging the pipeline, the discharged pipeline continuously falls on the arc-shaped supporting plate, the pipeline can be prevented from being connected with sundries, the pipeline can be prevented from being dragged and the pipeline can be prevented from being rubbed against the ground, and the service life of the pipeline is prolonged; when the mine pneumatic monorail crane is ready to return, the friction winding drum is rotated to a proper position, the clamping strip is conveniently put into the friction winding drum, the pneumatic motor is started, the output end of the pneumatic motor sequentially drives the connecting plate, the first rotating rod, the clamping strip, the second rotating rod, the stop rod and the friction winding drum to rotate, the rotating speed of the pneumatic motor is consistent with the moving speed of the mine pneumatic monorail crane, and the elastic sliding rope is conveniently wound on the friction winding drum.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mining equipment, in particular to a mining pneumatic monorail crane. BACKGROUND

[0002] The pneumatic monorail crane (hereinafter referred to as "monorail crane") is a device that runs along the web of the track by friction after the reduction of the speed of the pneumatic motor through the reduction mechanism. The monorail crane is composed of a track, a pneumatic hoist, a main traction device, a failure brake device, a load carrier, a control system and the like. Each track is composed of an I-beam and a chain, a shackle.

[0003] The common mining pneumatic monorail crane on the market needs to pay out and wind the pipeline on the automatic pipe winding machine. As the pipeline is continuously paid out, the pipeline moves downward and contacts the mine, and when the pipeline is moving with the monorail crane, the pipeline drags the ground or the pipeline is connected with sundries, which will increase the running resistance of the monorail crane and the friction of the pipeline, greatly reducing the service life of the pipeline. Moreover, the mine is full of dirt, and the pipelines are easily stuck together after winding, increasing the difficulty of cleaning. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a mining pneumatic monorail crane, which is simple in structure, easy to adjust in length and height, avoids pipeline dragging, and prolongs the service life of the pipeline.

[0005] To achieve the above object, the present application is realized by the following technical scheme: a mining pneumatic monorail crane, comprising a track, a top fixing device is fixedly connected to the top of the track, a load carrier device is slidably connected to the track, the load carrier device is four in total, a pneumatic hoist device is fixedly connected to the bottom of two load carrier devices, a power unit is fixedly connected to the bottom of one load carrier device, an automatic pipe winding machine is fixedly connected to the bottom of the other load carrier device, a pipeline is wound on the automatic pipe winding machine, a pneumatic hoist control unit is arranged between the pneumatic hoist device and the power unit, the left and right ends of the pneumatic hoist control unit are fixedly connected with the pneumatic hoist device and the power unit respectively, and a pipeline support device is arranged on the right side of the power unit.

[0006] The pipeline support device comprises a front end fixing mechanism, a movable pipeline support mechanism is arranged on the right side of the front end fixing mechanism, an elastic sliding rope and a first elastic traction rope are fixedly connected to the right side of the front end fixing mechanism, the right side of the leftmost movable pipeline support mechanism is fixedly connected with the left side of a second elastic traction rope, a tail end fixing mechanism is fixedly connected to the side of the rightmost movable pipeline support mechanism away from the front end fixing mechanism, and an elastic sliding rope winding and unwinding device is arranged on the right side of the tail end fixing mechanism.

[0007] Preferably, the front end fixing mechanism comprises two L plates, the sides of the two L plates away from each other are fixedly connected with clamping plates, the clamping plates are provided with threaded holes, the threaded holes are threadedly connected with threaded rods, the two sides of the L plates are provided with vertical plates, the vertical plates are provided with clamping holes, the clamping plates are clampedly connected with the clamping holes, and the top of the vertical plate is fixedly connected with the bottom of the automatic pipe winding machine.

[0008] Preferably, the movable pipeline supporting mechanism comprises an arc-shaped supporting plate, the left and right sides of the arc-shaped supporting plate are fixedly connected with two arc-shaped baffles respectively, the arc-shaped supporting plate is provided with a bottom hole, the front and back surfaces of the arc-shaped supporting plate are fixedly connected with ear blocks, the ear blocks are provided with first circular holes, the first circular holes are slidably connected with elastic sliding ropes, the right side of the arc-shaped supporting plate is provided with a first circular hole, the bottom of the first circular hole is fixedly connected with a spring, the right side of the arc-shaped supporting plate is fixedly connected with a magnetic ring, the side of the spring close to the magnetic ring is fixedly connected with a pull tab, and the ear blocks are provided with second circular holes.

[0009] Preferably, the tail end fixing mechanism comprises a bottom plate, the top of the bottom plate is fixedly connected with an adjusting rod, the adjusting rod is provided with a first clamping hole, the top of the bottom plate is provided with a limiting plate, the limiting plate is provided with a third circular hole, the adjusting rod is slidably connected with the third circular hole, the limiting plate is provided with a fourth circular hole, the fourth circular hole is slidably connected with a first clamping rod, the first clamping rod can pass through the fourth circular hole and the third circular hole in sequence, and the left side of the bottom plate is fixedly connected with the right side of the arc-shaped supporting plate closest to the adjusting rod.

[0010] Preferably, the elastic sliding rope winding and unwinding device comprises a bottom plate, the top of the bottom plate is provided with a linkage, the top of the linkage is fixedly connected with a pneumatic motor, the top of the pneumatic motor is fixedly connected with a sliding block, the top of the sliding block is fixedly connected with a handle, the top of the bottom plate is fixedly connected with a guide rail, the guide rail is provided with a sliding groove, the sliding groove is slidably connected with the sliding block, the guide rail and the sliding block are provided with a second clamping hole, and the second clamping hole is insertedly connected with a second clamping rod.

[0011] Preferably, the linkage comprises a connecting plate, the top of the connecting plate is fixedly connected with the output end of the pneumatic motor, the bottom of the connecting plate is fixedly connected with a first rotating rod, the side of the rotating rod is fixedly connected with a clamping strip, the bottom of the first rotating rod is fixedly connected with a second rotating rod, the second rotating rod is slidably connected with a sleeve, the second rotating rod is inserted into the sleeve, the bottom of the sleeve is fixedly connected with the bottom plate, the sleeve is slidably connected with a friction winding drum, and the inner wall of the friction winding drum is fixedly connected with a stop rod.

[0012] Preferably, the L-shaped plate is composed of a horizontal plate and a vertical plate, the horizontal plate is fixedly connected with the first elastic traction rope near the side of the movable pipeline support mechanism, the vertical plate is fixedly connected with the elastic sliding rope near the side of the movable pipeline support mechanism, the two first elastic traction ropes are arranged between the elastic sliding ropes, and the diameter of the first elastic traction rope is greater than that of the elastic sliding rope.

[0013] Preferably, the pull tab is a metal tab, and the pull tab is composed of two circular plates and an arc plate between the two circular plates, and the diameter of the circular plate is the same as that of the magnetic ring.

[0014] The present application provides a mine pneumatic monorail crane.

[0015] (1) The mine pneumatic monorail crane, through the pipeline support device, the arc-shaped support plate also moves synchronously in the process of continuous pipeline discharge, and the discharged pipeline continuously falls on the arc-shaped support plate, so that the pipeline and sundries are prevented from being hooked together, pipeline dragging and pipeline ground friction are prevented, and the service life of the pipeline is prolonged.

[0016] (2) The mine pneumatic monorail crane, through the movable pipeline support mechanism, the first elastic traction rope is straightened and pulls the pull tab, the pulling force borne by the pull tab gradually exceeds the magnetic attraction of the magnetic ring, the pull tab moves away from the magnetic ring, and the pull tab sequentially pulls the spring and the arc-shaped support plate; the spring has a small elastic coefficient, the spring is stretched, the arc-shaped support plate is pulled, the arc-shaped support plate continues to pull the second elastic traction rope, when the second elastic traction rope is straightened, another arc-shaped support plate behind the second elastic traction rope is continuously pulled, the distance between the two adjacent arc-shaped support plates is continuously increased, and finally all the arc-shaped support plates are sequentially unfolded.

[0017] (3) The mine pneumatic monorail crane, when the mine pneumatic monorail crane is ready to return, the friction winding drum is rotated to a suitable position, the clamping strip is facilitated to enter the friction winding drum, the pneumatic motor is started, the output end of the pneumatic motor sequentially drives the connecting plate, the first rotating rod, the clamping strip, the second rotating rod, the stop rod and the friction winding drum to rotate, the rotating speed of the pneumatic motor is consistent with the movement speed of the mine pneumatic monorail crane, and the elastic sliding rope is facilitated to be wound on the friction winding drum.

[0018] (4) The mine pneumatic monorail crane, when the pipeline moves on the arc-shaped support plate, part of dust and liquid on the pipeline can also fall through the bottom hole, a certain cleaning effect is achieved, a large number of bottom holes are arranged on the arc-shaped support plate, the mass of the arc-shaped support plate is reduced, and the pressure of the arc-shaped support plate on the elastic sliding rope is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present application;

[0020] Figure 2 It is a structural schematic diagram of the present application; Figure 1 It is a structural schematic diagram of the present application;

[0021] Figure 3 Structure diagram of the pipe support device of the present application;

[0022] Figure 4 Structure diagram of the front end of the pipe support device of the present application;

[0023] Figure 5 Structure diagram of the pipe support device of the present application; Figure 4

[0024] Figure 6 Structure diagram of the movable pipe support mechanism of the present application;

[0025] Figure 7 Structure diagram of the movable pipe support mechanism of the present application;

[0026] Figure 8 Structure diagram of the tail end fixing mechanism and the elastic sliding rope winding and unwinding device of the present application;

[0027] Figure 9 Structure diagram of the tail end fixing mechanism of the present application; Figure 8

[0028] Structure diagram of the tail end fixing mechanism of the present application; Figure 10

[0029] Figure 11 Structure diagram of the tail end fixing mechanism of the present application;

[0030] Figure 12 Structure diagram of the elastic sliding rope winding and unwinding device of the present application;

[0031] Figure 13 Structure diagram of the elastic sliding rope winding and unwinding device of the present application.

[0032] ​​In the figure: 1. track, 2. top fixing device, 3. bearing trolley device, 4. pneumatic hoist device, 5. pneumatic hoist control unit, 6. power unit, 7. automatic pipe winding machine, 8. pipe support device, 81. front end fixing mechanism, 811. L plate, 812. clamping plate, 813. threaded hole, 814. threaded rod, 815. vertical plate, 816. clamping hole, 82. movable pipe support mechanism, 821. arc-shaped support plate, 822. arc-shaped baffle, 823. bottom hole, 824. ear block, 825. first circular hole, 826. magnetic ring, 827. spring, 828. pull tab, 829. second circular hole, 83. tail end fixing mechanism, 831. first bottom plate, 832. adjusting rod, 833. first clamping hole, 834. limiting plate, 835. third circular hole, 836. fourth circular hole, 837. first clamping rod, 84. elastic sliding rope winding and unwinding device, 841. second bottom plate, 842. linkage, 8421. connecting plate, 8422. first rotating rod, 8423. clamping strip, 8424. second rotating rod, 8425. sleeve, 8426. friction winding drum, 8427. stop rod, 843. pneumatic motor, 844. sliding block, 845. handle, 846. guide rail, 847. second clamping hole, 848. second clamping rod, 849. sliding groove, 9. pipe, 10. elastic sliding rope, 11. first elastic traction rope, 12. second elastic traction rope. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all.

[0034] Examples of the described embodiments are shown in the accompanying drawings, in which the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0035] Please refer to Figures 1-13 The present application provides a technical solution: a mine pneumatic monorail crane, comprising a track 1, the top of the track 1 is fixedly connected with a top fixing device 2, the track 1 is slidably connected with a bearing trolley device 3, the bearing trolley device 3 is four, the bottom of two bearing trolley devices 3 is fixedly connected with a pneumatic hoist device 4, the bottom of one bearing trolley device 3 is fixedly connected with a power unit 6, the bottom of the other bearing trolley device 3 is fixedly connected with an automatic pipe winding machine 7, the automatic pipe winding machine 7 is wound with a pipe 9, a pneumatic hoist control unit 5 is arranged between the pneumatic hoist device 4 and the power unit 6, the left and right ends of the pneumatic hoist control unit 5 are fixedly connected with the pneumatic hoist device 4 and the power unit 6 respectively, and the right side of the power unit 6 is provided with a pipe support device 8.

[0036] The pipeline support device 8 comprises a front end fixing mechanism 81, the right side of the front end fixing mechanism 81 is provided with a movable pipeline support mechanism 82, the right side of the front end fixing mechanism 81 is fixedly connected with the elastic sliding rope 10 and the first elastic traction rope 11, the right side of the leftmost movable pipeline support mechanism 82 is fixedly connected with the left side of the second elastic traction rope 12, the side, away from the front end fixing mechanism 81, of the rightmost movable pipeline support mechanism 82 is fixedly connected with a tail end fixing mechanism 83, and the right side of the tail end fixing mechanism 83 is provided with an elastic sliding rope winding and unwinding device 84;

[0037] The front end fixing mechanism 81 comprises two L plates 811, the sides, away from each other, of the two L plates 811 are fixedly connected with clamping plates 812, the clamping plates 812 are provided with threaded holes 813 penetrating through, the threaded holes 813 are threadedly connected with threaded rods 814, the two sides of the L plates 811 are provided with vertical plates 815, the vertical plates 815 are provided with clamping holes 816 penetrating through, the clamping plates 812 are clampedly connected with the clamping holes 816, the top of the vertical plate 815 is fixedly connected with the bottom of the automatic pipe winding machine 7, the L plate 811 is composed of a horizontal plate and a vertical plate, the side, close to the movable pipeline support mechanism 82, of the horizontal plate is fixedly connected with the first elastic traction rope 11, the side, close to the movable pipeline support mechanism 82, of the vertical plate is fixedly connected with the elastic sliding rope 10, the two first elastic traction ropes 11 are arranged between the elastic sliding ropes 10, and the diameter of the first elastic traction rope 11 is greater than that of the elastic sliding rope 10;

[0038] The movable pipeline support mechanism 82 comprises an arc-shaped support plate 821, the left and right sides of the arc-shaped support plate 821 are each fixedly connected with two arc-shaped baffle plates 822, the arc-shaped support plate 821 is provided with a bottom hole 823 penetrating through, the arc-shaped support plate 821 is fixedly connected with ear blocks 824 on the front and back surfaces, the ear blocks 824 are provided with first circular holes 825 penetrating through, the first circular holes 825 are slidably connected with the elastic sliding ropes 10, the right side of the arc-shaped support plate 821 is provided with the first circular holes 825, the bottom of the first circular hole 825 is fixedly connected with a spring 827, the right side of the arc-shaped support plate 821 is fixedly connected with a magnetic ring 826, the side, close to the magnetic ring 826, of the spring 827 is fixedly connected with a pull tab 828, the ear block 824 is provided with a second circular hole 829 penetrating through, the pull tab 828 is a metal sheet, and the pull tab 828 is composed of two circular plates and an arc plate between the two circular plates, the diameter of the circular plate is the same as that of the magnetic ring 826;

[0039] The tail-end fixing mechanism 83 includes a first base plate 831. An adjusting rod 832 is fixedly connected to the top of the first base plate 831. The adjusting rod 832 has a first locking hole 833. A limiting plate 834 is provided above the first base plate 831. A third circular hole 835 is provided through the limiting plate 834. The adjusting rod 832 is slidably connected to the third circular hole 835. A fourth circular hole 836 is provided through the limiting plate 834. The fourth circular hole 836 is slidably connected to a first locking rod 837. The first locking rod 837 can pass through the fourth circular hole 836 and the third circular hole 835 in sequence. The left side of the first base plate 831 is fixedly connected to the right side of the arc-shaped support plate 821 closest to the adjusting rod 832.

[0040] The elastic sliding rope winding and unwinding device 84 includes a second base plate 841, a linkage 842 is provided on the top of the second base plate 841, a pneumatic motor 843 is fixedly connected to the top of the linkage 842, a slider 844 is fixedly connected to the top of the pneumatic motor 843, a handle 845 is fixedly connected to the top of the slider 844, a guide rail 846 is fixedly connected to the top of the second base plate 841, the guide rail 846 has a sliding groove 849, the sliding groove 849 is slidably connected to the slider 844, a second locking hole 847 is provided through the guide rail 846 and the slider 844, and the second locking hole 847 is inserted into the second locking rod 848;

[0041] The linkage component 842 includes a connecting plate 8421. The top of the connecting plate 8421 is fixedly connected to the output end of the pneumatic motor 843. A first rotating rod 8422 is fixedly connected to the bottom of the connecting plate 8421. A retaining strip 8423 is fixedly connected to the side of the first rotating rod 8422. A second rotating rod 8424 is fixedly connected to the bottom of the first rotating rod 8422. A sleeve 8425 is slidably connected to the second rotating rod 8424. The second rotating rod 8424 is inserted into the sleeve 8425. The bottom of the sleeve 8425 is fixedly connected to the second base plate 841. A friction drum 8426 is slidably connected to the sleeve 8425. A stop bar 8427 is fixedly connected to the inner wall of the friction drum 8426.

[0042] In use, insert the clamping plate 812 into the clamping hole 816 to secure it tightly. Then screw the threaded rod 814 into the threaded hole 813. The clamping plate 812 is difficult to move. At this time, all the arc-shaped support plates 821 are close together, reducing the footprint and making it easy to carry and use. Lift the adjusting rod 832 to create a certain height difference between the bottom of the clamping plate 812 and the bottom of the adjusting rod 832, so that the pipe can slowly fall onto the arc-shaped support plate 821 along a suitable slope. After the adjusting rod 832 moves to the appropriate position, pass the first clamping rod 837 through the fourth round hole 836 and the first clamping hole 833 in sequence to fix the adjusting rod 832. During use, if the height is not suitable, it can be adjusted at any time. The operation is simple and saves time and effort.

[0043] The mine pneumatic monorail crane is started, and the pneumatic monorail crane pulls the elastic sliding rope 10 and the first elastic traction rope 11 at the same speed. However, the length of the elastic sliding rope 10 between the L plate and the first arc-shaped support plate 821 is smaller than the length of the first elastic traction rope 11. The elastic sliding rope 10 between the L plate and the first arc-shaped support plate 821 is straightened first, and then the elastic sliding rope 10 wound on the friction drum 8426 is pulled. The elastic sliding rope 10 drives the friction drum 8426 to rotate around the sleeve 8425, and the elastic sliding rope 10 on the friction drum 8426 is continuously released. In this way, the elastic sliding rope 10 can maintain a certain tightness during the continuous lengthening process. In addition, the friction drum 8426 is provided with a friction groove, which increases the friction force and prevents the elastic sliding rope 10 from being released too much at one time. The elastic sliding rope 10 continuously passes through the second circular hole 829 of the ear block 824 and moves forward with the L plate 811. Then, the first elastic traction rope 11 is straightened and pulls the pull piece 828. The pulling force on the pull piece 828 gradually exceeds the magnetic attraction of the magnetic ring 826, and the pull piece 828 moves away from the magnetic ring 826. The pull piece 828 pulls the spring 827 and the arc-shaped support plate 821 in sequence. The spring 827 has a small elastic coefficient, and the spring 827 is stretched. The arc-shaped support plate 821 is pulled, and the arc-shaped support plate 821 continues to pull the second elastic traction rope 12. When the second elastic traction rope 12 is straightened, it continues to pull another arc-shaped support plate 821 behind it. The distance between the two adjacent arc-shaped support plates 821 continuously increases, and finally all the arc-shaped support plates 821 are unfolded in sequence. The released pipeline 9 continuously falls on the arc-shaped support plate 821, preventing the pipeline 9 from being connected with sundries, preventing the pipeline 9 from being dragged and the pipeline 9 from being rubbed on the ground, and prolonging the service life of the pipeline 9;

[0044] When the pipeline 9 moves on the arc-shaped support plate 821, part of the dust and liquid on the pipeline 9 can also fall through the bottom hole 823, achieving a certain cleaning effect. In addition, a large number of bottom holes 823 are arranged on the arc-shaped support plate 821, reducing the mass of the arc-shaped support plate 821 and the pressure of the arc-shaped support plate 821 on the elastic sliding rope 10;

[0045] When the mine pneumatic monorail crane is ready to return, the friction drum 8426 is turned to the appropriate position, the handle 845 is held and pressed down, the sliding block 844, the first rotating rod 8422, the clamping strip 8423 and the second rotating rod 8424 move downward, when the sliding block 844 moves to the position of the second clamping hole 847, the second clamping rod 848 passes through the second clamping hole 847 and the sliding block 844 in sequence, the sliding block 844 is fixed, the lower clamping strip 8423 enters the friction drum 8426, the pneumatic motor 843 is started, the output end of the pneumatic motor 843 rotates in sequence with the connecting plate 8421, the first rotating rod 8422, the clamping strip 8423, the second rotating rod 8424, the two clamping strips 8423 contact and press the stop rod 8427 in sequence, thereby driving the stop rod 8427 and the friction drum 8426 to rotate, the speed of the rotation of the pneumatic motor 843 is consistent with the speed of the movement of the mine pneumatic monorail crane, and the elastic sliding rope 10 is wound on the friction drum 8426.

[0046] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A pneumatic monorail crane for mining, comprising a rail (1), characterized in that: The top of the track (1) is fixedly connected to a top fixing device (2), and the track (1) is slidably connected to a carrying trolley device (3). There are four carrying trolley devices (3). The bottom of two carrying trolley devices (3) is fixedly connected to a pneumatic hoist device (4), the bottom of one carrying trolley device (3) is fixedly connected to a power unit (6), and the bottom of the other carrying trolley device (3) is fixedly connected to an automatic pipe winding machine (7). The automatic pipe winding machine (7) winds up a pipe (9). A pneumatic hoist control unit (5) is provided between the pneumatic hoist device (4) and the power unit (6). The left and right ends of the pneumatic hoist control unit (5) are fixedly connected to the pneumatic hoist device (4) and the power unit (6) respectively. A pipe support device (8) is provided on the right side of the power unit (6). The pipe support device (8) includes a front-end fixing mechanism (81), a movable pipe support mechanism (82) is provided on the right side of the front-end fixing mechanism (81), an elastic sliding rope (10) and a first elastic traction rope (11) are fixedly connected to the right side of the front-end fixing mechanism (81), the right side of the leftmost movable pipe support mechanism (82) is fixedly connected to the left side of the second elastic traction rope (12), and a tail-end fixing mechanism (83) is fixedly connected to the side of the rightmost movable pipe support mechanism (82) away from the front-end fixing mechanism (81), and an elastic sliding rope retraction device (84) is provided on the right side of the tail-end fixing mechanism (83).

2. A mining pneumatic monorail crane according to claim 1, characterized in that: The front-end fixing mechanism (81) includes an L-plate (811), there are two L-plates (811), and a clamping plate (812) is fixedly connected to the side of the two L-plates (811) that is far apart. The clamping plate (812) has a threaded hole (813) through it, and a threaded rod (814) is threadedly connected to the threaded hole (813). Vertical plates (815) are provided on both sides of the L-plate (811), and a clamping hole (816) is opened through the vertical plate (815). The clamping plate (812) is clamped and connected to the clamping hole (816). The top of the vertical plate (815) is fixedly connected to the bottom of the automatic tube rolling machine (7).

3. A mine pneumatic monorail crane according to claim 1, characterized in that: The movable pipe support mechanism (82) includes an arc-shaped support plate (821). Two arc-shaped baffles (822) are fixedly connected to the left and right sides of the arc-shaped support plate (821). The arc-shaped support plate (821) has a bottom hole (823) through it. Ear blocks (824) are fixedly connected to the front and rear sides of the arc-shaped support plate (821). The ear blocks (824) have a first circular hole (825) through them. The first circular hole (825) is slidably connected to the elastic sliding rope (10). The right side of the arc-shaped support plate (821) has a first circular hole (825). A spring (827) is fixedly connected to the bottom of the first circular hole (825). A magnetic ring (826) is fixedly connected to the right side of the arc-shaped support plate (821). A pull tab (828) is fixedly connected to the side of the spring (827) near the magnetic ring (826). The ear blocks (824) have a second circular hole (829) through them.

4. A mining pneumatic monorail crane according to claim 1, characterized in that: The tail end fixing mechanism (83) includes a first base plate (831), an adjusting rod (832) is fixedly connected to the top of the first base plate (831), the adjusting rod (832) is provided with a first locking hole (833), a limiting plate (834) is provided above the first base plate (831), the limiting plate (834) is provided with a third circular hole (835), the adjusting rod (832) is slidably connected to the third circular hole (835), the limiting plate (834) is provided with a fourth circular hole (836), the fourth circular hole (836) is slidably connected to a first locking rod (837), the first locking rod (837) can pass through the fourth circular hole (836) and the third circular hole (835) in sequence, and the left side of the first base plate (831) is fixedly connected to the right side of the arc-shaped support plate (821) closest to the adjusting rod (832).

5. A mine pneumatic monorail crane according to claim 1, characterized in that: The elastic sliding rope winding and unwinding device (84) includes a second base plate (841), a linkage member (842) is provided on the top of the second base plate (841), a pneumatic motor (843) is fixedly connected to the top of the linkage member (842), a slider (844) is fixedly connected to the top of the pneumatic motor (843), a handle (845) is fixedly connected to the top of the slider (844), a guide rail (846) is fixedly connected to the top of the second base plate (841), a sliding groove (849) is provided on the guide rail (846), the sliding groove (849) is slidably connected to the slider (844), a second locking hole (847) is provided through the guide rail (846) and the slider (844), and the second locking hole (847) is inserted into the second locking rod (848).

6. A mining pneumatic monorail crane according to claim 2, characterized in that: The L-plate (811) consists of a horizontal plate and a vertical plate. The side of the horizontal plate closest to the movable pipe support mechanism (82) is fixedly connected to the first elastic traction rope (11), and the side of the vertical plate closest to the movable pipe support mechanism (82) is fixedly connected to the elastic sliding rope (10). Two first elastic traction ropes (11) are arranged between the elastic sliding ropes (10), and the diameter of the first elastic traction rope (11) is larger than the diameter of the elastic sliding rope (10).

7. A mine pneumatic monorail crane according to claim 3, characterized in that: The pull tab (828) is a metal sheet, which is composed of two circular plates and an arc plate between them. The diameter of the circular plates is the same as the diameter of the magnetic ring (826).

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