Shaft rescue device

Abstract

The utility model relates to the technical field of shaft rescue, in particular to a shaft rescue device which comprises a supporting mechanism, a lifting mechanism and a reversing mechanism are installed on the supporting mechanism, a clamping mechanism is arranged under the supporting mechanism, the lifting mechanism is connected with the clamping mechanism through the reversing mechanism, and the clamping mechanism is used for clamping fire rescue workers. An anti-falling mechanism is arranged between the supporting mechanism and the clamping mechanism; the supporting mechanism can provide stable support for rescue and can enable trapped people to rise in the center of the well, and hurt to the trapped people in the lifting process is reduced to a certain degree. By means of the lifting mechanism and the reversing mechanism, rescue workers on the ground can lift trapped persons only by rotating a handle, and the safety risk during lifting is reduced; the clamping mechanism can clamp the trapped person, subsequent lifting is facilitated, and the strength consumption of the trapped person is reduced; and the anti-falling mechanism can play a role in stopping the rescue mechanism from falling after the rope I is broken, so that the trapped person is prevented from being secondarily hurt.

Description

Technical Field

[0001] This utility model relates to the field of shaft rescue technology, and in particular to a shaft rescue device. Background Technology

[0002] During daily life, due to excessive rainfall, aging and replacement of manhole covers, people often fall into manholes, requiring firefighters to rescue them. The current rescue method usually involves lowering a rope into the manhole, having the trapped person wrap the rope around themselves, and then the firefighters pull them up. However, because vertical shafts are usually narrow and deep, with thin and poorly ventilated air, people trapped in the shaft can easily become unconscious, disoriented, or weak, making it difficult for them to cooperate with the firefighters' instructions. Therefore, sometimes it is necessary for firefighters to go down into the shaft to rescue the trapped person.

[0003] The existing rescue methods are relatively outdated. They are prone to causing abrasions to people in the well during the lifting process, and they are physically demanding for firefighters. Furthermore, since firefighters need to pull the trapped people out from the well, there are certain safety hazards.

[0004] Therefore, this application provides a shaft rescue device to overcome the shortcomings of the prior art. Utility Model Content

[0005] The purpose of this invention is to solve the problems of existing rescue methods, such as easy abrasion of personnel underground during lifting, high physical exertion on firefighters, and potential safety hazards.

[0006] This utility model provides a vertical shaft rescue device, including a support mechanism, on which a lifting mechanism and a reversing mechanism are installed. A clamping mechanism is provided directly below the support mechanism. The lifting mechanism is connected to the clamping mechanism through the reversing mechanism. The clamping mechanism is used to clamp fire rescue personnel. An anti-fall mechanism is also provided between the support mechanism and the clamping mechanism.

[0007] The support mechanism includes support legs and a top cover, both of which are located above the ground. There are three support legs, one of which is fixedly connected to the lifting mechanism, and the top of each support leg is rotatably connected to the top cover.

[0008] The support leg includes a support angle, a connecting pipe 1 is hinged to the support angle, and a connecting pipe 2 is sleeved on the outside of the connecting pipe 1. The connecting pipe 1 and the connecting pipe 2 are slidably connected. A connecting hole 1 is horizontally opened in the support angle, and a chain is installed in the connecting hole 1. A connecting hole 2 is also vertically opened in the support angle. A horizontally arranged bolt 1 is rotatably connected to the support angle. The support angle is rotatably connected to the connecting pipe 1 through the bolt 1. Several connecting holes 3 are opened in the connecting pipe 1. A connecting hole 4 is opened at each end of the connecting pipe 2. The connecting hole 4 at the upper end of the connecting pipe 2 is rotatably connected to the top cover. The connecting hole 4 at the lower end of the connecting pipe 2 coincides with one of the connecting holes 3 in the connecting pipe 1. A bolt 2 is installed in the connecting hole 4 at the lower end of the connecting pipe 2. The connecting pipe 1 and the connecting pipe 2 are fixedly connected by the bolt 2.

[0009] The top cover includes a connecting block 1. Three evenly distributed connecting blocks 2 are fixedly connected to the outer side wall of the connecting block 1. The bottom of the connecting block 1 and the connecting blocks 2 are provided with grooves. The top wall of the groove is fixedly connected with a pressure plate 1. The middle of the pressure plate 1 is provided with a horizontally arranged connecting hole 5. The connecting hole 5 is connected to a reversing mechanism. A lifting ring is provided on one side of the pressure plate 1. The top of the lifting ring is fixedly connected to the groove. The lifting ring is connected to a fall protection mechanism. Each connecting block 2 is threaded with a horizontally arranged bolt 3. The bolt 3 is rotatably connected to the connecting hole 4 at the upper end of the connecting pipe 2.

[0010] The lifting mechanism includes a connecting pipe three, which is sleeved on the outer wall of the connecting pipe two of one of the support legs and bolted to the connecting pipe two. A pressure plate two is fixed to one side of the connecting pipe three. A housing is fixedly connected to one side of the connecting pipe three and the pressure plate two. A partition is fixedly connected to the housing. Gear one and gear two are provided on one side of the partition, and a pressure roller is provided on the other side. The pressure roller is connected to a clamping mechanism. Gear one and gear two mesh. One end of the pressure roller is rotatably connected to the inner wall of the housing, and the other end passes through the partition and is fixedly connected to gear one. The end of gear one away from the pressure roller is rotatably connected to the inner wall of the housing. One side of gear two is rotatably connected to the side wall of the partition, and the other side is provided with a rotating shaft. The rotating shaft passes through the side wall of the housing and is fixedly connected to gear two. A transmission handle is fixedly connected to the side of the rotating shaft away from gear two, and a handle is fixed to the side of the transmission handle away from gear two.

[0011] The reversing mechanism includes a latch 1, which is connected to a connecting hole 5. A connecting block 3 is also connected to the latch 1. A connecting hole 6 is provided in the connecting block 3. The latch 1 is connected to the connecting hole 6 in the connecting block 3. A vertically arranged connecting groove is provided in the connecting groove. A roller is provided in the connecting groove. A horizontal slot is provided in the connecting groove and the roller. A bolt 4 is installed in the slot. The connecting groove and the roller are rotatably connected by the bolt 4.

[0012] The clamping mechanism includes two opposing cranks, each with a small hole at the same position. A bolt five is installed in the small hole, and the two cranks are rotatably connected by the bolt five. Each crank has a locking buckle three and a locking buckle four installed in it. A suspension rope one is connected between the two locking buckles three. The clamping mechanism also includes a rope one, one end of which is wound around the pressure roller, and the other end is connected to a hook that hooks the suspension rope one. A horizontally arranged arc-shaped clamping rod is welded to the inner side of each of the two cranks.

[0013] The fall protection mechanism includes a second rope, and a second suspension rope is connected between the two fourth buckles. The second rope passes through a hanging ring, with one end held in the hand of a ground worker and the other end connected to the second suspension rope.

[0014] The beneficial effects of the vertical shaft rescue device provided by this utility model are:

[0015] This utility model, by setting up a support mechanism consisting of support legs and a top cover, can provide stable support for rescue and allow trapped personnel to rise from the center of the well, thereby reducing the injury suffered by trapped personnel during the lifting process to a certain extent.

[0016] By setting up lifting and reversing mechanisms, ground rescuers can lift trapped people simply by turning the handle, reducing safety risks during lifting and saving effort;

[0017] By setting up a clamping mechanism, trapped personnel can be clamped, which facilitates subsequent lifting and saves the trapped personnel's strength. In addition, the two cranks can rotate around the bolt, and the angle between the two cranks can be adjusted according to the width of the well opening, so that the device can adapt to vertical shafts of different diameters.

[0018] By installing a fall arrest mechanism, the rescue equipment can be prevented from falling after the rope breaks, thus preventing secondary injuries to the trapped personnel. Attached Figure Description

[0019] Figure 1 This is a perspective view of an embodiment of the present utility model;

[0020] Figure 2 This is a front view of an embodiment of the present utility model;

[0021] Figure 3 This is a side view of an embodiment of the present utility model;

[0022] Figure 4 This is a front view of the support leg in an embodiment of the present invention;

[0023] Figure 5 This is a top view of the support leg in an embodiment of the present invention;

[0024] Figure 6 This is a perspective view of the top cover of an embodiment of the present utility model;

[0025] Figure 7 This is a bottom view of the top cover of an embodiment of the present utility model;

[0026] Figure 8 This is a schematic diagram of the lifting mechanism in an embodiment of the present utility model;

[0027] Figure 9 This is a side view of the lifting mechanism according to an embodiment of the present utility model;

[0028] Figure 10 This is a schematic diagram of the reversing structure according to an embodiment of the present invention.

[0029] The components include: 1. Support mechanism; 2. Support leg; 21. Support angle; 22. Connecting hole one; 23. Connecting hole two; 24. Bolt one; 25. Connecting pipe one; 26. Connecting hole three; 27. Connecting pipe two; 28. Connecting hole four; 29. ​​Bolt two; 3. Top cover; 31. Connecting block one; 32. Connecting block two; 33. Groove; 34. Pressure plate one; 35. Connecting hole five; 36. Bolt three; 37. Lifting ring; 4. Lifting mechanism; 41. Connecting pipe three; 42. Pressure plate two; 43. Shell; 44. Partition; 45. 46. ​​Gear 1; 47. Gear 2; 48. Pressure roller; 49. Shaft; 40. Transmission handle; 410. Handle; 5. Reversing mechanism; 51. Lock 1; 52. Connecting block 3; 53. Connecting hole 6; 54. Connecting groove; 55. Roller; 56. Bolt 4; 6. Clamping mechanism; 61. Crank; 62. Bolt 5; 63. Lock 3; 64. Lock 4; 65. Lifting rope 1; 66. Rope 1; 67. Hook; 68. Clamping rod; 7. Fall protection mechanism; 71. Rope 2; 72. Lifting rope 2; 8. Chain. Detailed Implementation

[0030] To make the technical means, technical features, utility model purpose and technical effects of this utility model easy to understand, the present utility model will be further described below with reference to specific illustrations. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0031] Example 1

[0032] like Figures 1 to 10As shown: A vertical shaft rescue device includes a support mechanism 1, which is located above the vertical shaft to provide stable support for rescue. The support mechanism 1 is equipped with a lifting mechanism 4 and a reversing mechanism 5. A clamping mechanism 6 is located directly below the support mechanism 1. The lifting mechanism 4 is connected to the clamping mechanism 6 through the reversing mechanism 5. The clamping mechanism 6 is used to clamp fire rescue personnel and rises (falls) under the action of the lifting mechanism 4 and the reversing mechanism 5. An anti-fall mechanism 7 is also provided between the support mechanism 1 and the clamping mechanism 6 to prevent accidents during the rescue process and secondary injuries to rescue personnel and trapped personnel.

[0033] like Figures 1 to 7 As shown: The support mechanism 1 includes support legs 2 and a top cover 3. Both support legs 2 and top cover 3 are set above the ground. There are three support legs 2, one of which is fixed with a lifting mechanism 4. The top of each support leg 2 is rotatably connected to the top cover 3. The support legs 2 and top cover 3 are used to provide stable support for rescue.

[0034] like Figures 1 to 5 As shown: The support leg 2 includes a support angle 21, with a connecting pipe 25 hinged to the support angle 21. A connecting pipe 27 is sleeved on the outside of the connecting pipe 25, and the connecting pipe 25 and the connecting pipe 27 are slidably connected. A connecting hole 22 is horizontally opened in the support angle 21, and a chain 8 is installed in the connecting hole 22. A connecting hole 23 is also vertically opened in the support angle 21. During the rescue process, in order to further improve the stability of the support mechanism 1, a pin can be used to connect the support angle 21 to the ground through the connecting hole 23 to prevent the support leg 2 from loosening during the rescue and affecting the rescue work. A horizontally set bolt 24 is rotatably connected to the support angle 21, and the support angle 21 is rotatably connected to the connecting pipe 25 through the bolt 24. The bolt 24 can also be replaced by a pin. The connecting pipe 25 has several connecting holes 26 evenly distributed along its length. The connecting pipe 27 has a connecting hole 28 at each end. The upper connecting hole 28 is rotatably connected to the top cover 3, and the lower connecting hole 28 coincides with one of the connecting holes 26 in the connecting pipe 25. The lower connecting hole 28 of the connecting pipe 27 has a bolt 29. The connecting pipe 25 and the connecting pipe 27 are fixedly connected by the bolt 29. By adjusting the overlap length of the connecting pipe 25 and the connecting pipe 27, the length of the support leg 2 can be adjusted. By rotating the connecting pipe 25 around the bolt 24, the angle of the support leg 2 can be adjusted, so that the length and angle of the support leg 2 can be adjusted according to the specific situation, thereby facilitating the rescue of trapped personnel by firefighters.

[0035] like Figures 1 to 3 and Figure 6 , Figure 7As shown: The top cover 3 includes a circular connecting block 31. Three evenly distributed connecting blocks 32 are fixedly connected to the outer wall of the connecting block 31. The bottom of the connecting block 31 and the connecting blocks 32 are provided with grooves 33. The top wall of the grooves 33 is fixedly connected with a pressure plate 34. The middle of the pressure plate 34 is provided with a horizontally arranged connecting hole 35. The connecting hole 35 is connected to the reversing mechanism 5. A lifting ring 37 is provided on one side of the pressure plate 34. The top of the lifting ring 37 is fixedly connected to the groove 33. The lifting ring 37 is connected to the anti-fall mechanism 7. Each connecting block 32 is threaded with a horizontally arranged bolt 36. The bolt 36 is rotatably connected to the connecting hole 28 at the upper end of the connecting pipe 27. The bolt 36 can also be replaced with a pin.

[0036] like Figures 1 to 3 and Figure 8 , Figure 9 As shown: The lifting mechanism 4 includes a connecting pipe 3 41, which is sleeved on the outer wall of the connecting pipe 27 of one of the support legs 2, and is fixedly connected to the connecting pipe 27 by bolts, pins, or welding. A pressure plate 2 42 is fixed to one side of the connecting pipe 3 41. A housing 43 is fixedly connected to one side of the connecting pipe 3 41 and the pressure plate 2 42. A partition 44 is fixedly connected in the housing 43. A gear 1 45 and a gear 2 46 are provided on one side of the partition 44, and a pressure roller 47 is provided on the other side. A rope 1 66 from the clamping mechanism 6 is wound on the pressure roller 47. The gear 1 45 and the gear 2 46 mesh. One end of the pressure roller 47 is rotatably connected to the inner wall of the housing 43, and the other end passes through the partition 44 and the gear 2 46. Gear 45 is fixedly connected, and the end of gear 45 away from pressure roller 47 is rotatably connected to the inner wall of housing 43. One side of gear 46 is rotatably connected to the side wall of partition 44, and the other side is fixedly connected to a rotating shaft 48. The rotating shaft 48 passes through the side wall of housing 43 and is fixedly connected to gear 46. The rotating shaft 48 is rotatably connected to the side wall of housing 43. A transmission handle 49 is fixedly connected to the side of the rotating shaft 48 away from gear 46. A handle 410 is fixedly connected to the side of the transmission handle 49 away from gear 46. When lifting or lowering is required, the rescuer holds the handle 410, which drives gear 46 to rotate through the transmission handle 49 and rotating shaft 48, and then drives pressure roller 47 to rotate through gear 45, thereby controlling the lifting or lowering of clamping mechanism 6.

[0037] like Figures 1 to 3 and Figure 10As shown: The reversing mechanism 5 includes a locking buckle 51, which is connected to a connecting hole 35. The locking buckle 51 is also connected to a connecting block 3 52, which has a connecting hole 6 53. The locking buckle 51 is connected to the connecting hole 6 53 in the connecting block 3 52. The connection between the locking buckle 51 and the connecting hole 35 and the connecting hole 6 53 in the connecting block 3 52 can be welded or movable. The connecting block 3 52 has a vertically arranged connecting groove 54, in which a roller 55 is provided. The connecting groove 54 and the roller 55 have horizontally opened slots, in which bolts 4 56 are installed. The connecting groove 54 and the roller 55 are rotatably connected by bolts 4 56. Bolts 4 56 can also be replaced by pins. The reversing mechanism 5 is equivalent to a fixed pulley system, used to change the direction of force, which is convenient for hoisting personnel downhole.

[0038] like Figures 1 to 3 As shown: The clamping mechanism 6 includes two opposing cranks 61. Small holes are formed at the same position on both cranks 61, and bolts 62 are installed in these holes. The two cranks 61 are rotatably connected by bolts 62. Each crank 61 has a locking buckle 63 and a locking buckle 64 installed in it. The locking buckle 63 is located above bolts 62, and the locking buckle 64 is located below bolts 62. Alternatively, the cranks 61 can be fixedly connected to the locking buckles 63 and 64 by welding. Since there are two cranks 61 in this device, there are two locking buckles 63 and two locking buckles 64. A suspension rope 65 is connected between the two locking buckles 63 by a knot. The clamping mechanism 6... It also includes a rope 66, one end of which passes over the roller 55 and is connected to the pressure roller 47 by a knot or adhesive. The other end is connected to a hook 67, which can be connected to the rope 66 by tying a knot. The hook 67 hooks the lifting rope 65, and the hook 67 and the lifting rope 65 can also be connected by using a lifting ring or tying a knot. When the pressure roller 47 in the lifting mechanism 4 rotates, it can wrap the rope 66 around the pressure roller 47, thereby driving the clamping mechanism 6 to rise. A horizontally set arc-shaped clamping rod 68 is welded to the inner side of each of the two cranks 61. During rescue, the clamping rod 68 can be placed on the chest or abdomen of the personnel in the well. The principle of the clamping mechanism 6 can be referred to as that of scissors and fire tongs.

[0039] like Figures 1 to 3 As shown: The fall protection mechanism 7 includes a second rope 71, and a second suspension rope 72 is connected between the two fourth locks 64 by a knot. The second rope 71 passes through the ring 37, with one end held in the hand of the ground worker and the other end tied to the second suspension rope 72 by a knot. In the event of an accident, the ground worker can hold the second rope 71 tightly to prevent the personnel in the well from falling and avoid secondary injury.

[0040] Work style:

[0041] If the person trapped in the well is conscious and does not require rescue by firefighters: First, adjust the angle and height of the support mechanism 1 according to the surrounding terrain. Second, hook the hook 67 onto the first hoisting rope 65. Then, pass the second rope 71 through the lifting ring 37, holding one end in the hand of the ground worker and tying the other end to the second hoisting rope 72. Then, slowly turn the handle 410 to slowly lower the clamping mechanism 6. After the trapped person in the well has secured the two clamps 68 to their body, the ground worker can pull the trapped person up by turning the handle 410 in the opposite direction.

[0042] When a person in the well is unconscious or disoriented and requires rescue by firefighters: First, adjust the angle and height of the support mechanism 1 according to the surrounding terrain. Second, hook the hook 67 onto the first hoisting rope 65, then pass the second rope 71 through the hoisting ring 37, hold one end in the hand of the ground staff, and tie the other end to the second hoisting rope 72. Place two clamps 68 on the firefighter, then the firefighter goes down into the well. Then, slowly turn the handle 410 to lower the firefighter down slowly. The firefighter grabs the person trapped in the well, and by turning the handle 410 in the opposite direction, the firefighter can be pulled up.

[0043] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model. All equivalent changes and modifications made in accordance with the content of the claims of the present utility model shall fall within the technical scope of the present utility model.

Claims

1. A shaft rescue device characterised in that: The utility model provides a support mechanism (1) is installed with lifting mechanism (4) and reversing mechanism (5) on the support mechanism (1), the support mechanism (1) is equipped with clamping mechanism (6) directly below, the lifting mechanism (4) is connected with clamping mechanism (6) through reversing mechanism (5), and the clamping mechanism (6) is used for clamping fire rescue personnel, and the support mechanism (1) is equipped with anti -falling mechanism (7) with clamping mechanism (6) between, the lifting mechanism (4) includes the continuous pipe three (41), one side of the continuous pipe three (41) is fixed with the pressing plate two (42), and one side of the continuous pipe three (41) and the pressing plate two (42) is fixedly connected with the shell (43), and the shell (43) is fixedly connected with the baffle (44) in, one side of the baffle (44) is provided with gear one (45) and gear two (46), and the other side is provided with the press roll (47), the press roll (47) is connected with clamping mechanism (6), gear one (45) and gear two (46) engage, one end of the press roll (47) is rotatably connected with the inside wall of shell (43), the other end penetrates the baffle (44) and is fixedly connected with gear one (45), the one end of gear one (45) away from the press roll (47) is rotatably connected with the inside wall of shell (43), one side of gear two (46) is rotatably connected with the side wall of baffle (44), and the other side is equipped with the rotating shaft (48), the rotating shaft (48) penetrates the side wall of shell (43) and is fixedly connected with gear two (46), the one side of the rotating shaft (48) away from gear two (46) is fixedly connected with the transmission handle (49), the one side of the transmission handle (49) away from gear two (46) is fixedly connected with the handle (410), the reversing mechanism (5) includes the lock catch one (51), the lock catch one (51) is further connected with the connecting block three (52), the connecting hole six (53) is seted up in the connecting block three (52), the lock catch one (51) is connected with the connecting hole six (53) in the connecting block three (52), the connecting groove (54) of vertical setting is seted up in the connecting block three (52), the connecting groove (54) is equipped with the gyro wheel (55), the connecting groove (54) and the gyro wheel (55) are seted up with horizontal groove, and the bolt four (56) is installed in the groove, the connecting groove (54) and the gyro wheel (55) are rotatably connected through the bolt four (56), the clamping mechanism (6) includes two oppositely arranged cranks (61), small holes are seted up in the same position of two cranks (61), the bolt five (62) is installed in the small hole, two cranks (61) are rotatably connected through the bolt five (62), one lock catch three (63) and one lock catch four (64) are installed in each crank (61), the lifting rope one (65) is connected between two lock catch threes (63), the clamping mechanism (6) further includes the rope one (66), one end of the rope one (66) is wound on the press roll (47), the other end is connected with the hook (67), the hook (67) hooks the lifting rope one (65),The inner side of each of the two cranks (61) is welded with an arc-shaped clamping rod (68) arranged horizontally.

2. A shaft rescue device according to claim 1, characterised in that: The support mechanism (1) comprises support legs (2) and a top cover (3), the support legs (2) and the top cover (3) are arranged above the ground, the support legs (2) are provided with three, one of the support legs (2) is fixedly connected with a lifting mechanism (4), the top end of each of the support legs (2) is rotatably connected with the top cover (3).

3. A shaft rescue device according to claim 2, characterised in that: The support leg (2) comprises a support angle (21), a connecting pipe one (25) is hinged in the support angle (21), a connecting pipe two (27) is arranged outside the connecting pipe one (25), the connecting pipe one (25) is slidably connected with the connecting pipe two (27), a connecting hole one (22) is horizontally arranged in the support angle (21), a chain (8) is arranged in the connecting hole one (22), a connecting hole two (23) is vertically arranged in the support angle (21), a horizontally arranged bolt one (24) is rotatably connected in the support angle (21), the support angle (21) is rotatably connected with the connecting pipe one (25) through the bolt one (24), a plurality of connecting holes three (26) are arranged in the connecting pipe one (25), a connecting hole four (28) is arranged at the upper end of the connecting pipe two (27), the connecting hole four (28) at the upper end of the connecting pipe two (27) is rotatably connected with the top cover (3), the connecting hole four (28) at the lower end is coincided with one of the connecting holes three (26) in the connecting pipe one (25), a bolt two (29) is arranged in the connecting hole four (28) at the lower end of the connecting pipe two (27), the connecting pipe one (25) is fixedly connected with the connecting pipe two (27) through the bolt two (29).

4. A shaft rescue device according to claim 3, characterised in that: The top cover (3) comprises a connecting block one (31), three evenly distributed connecting block twos (32) are fixedly connected to the outer side wall of the connecting block one (31), a recess (33) is arranged at the bottom of the connecting block one (31) and the connecting block two (32), a pressing plate one (34) is fixedly connected to the top wall of the recess (33), a horizontally arranged connecting hole five (35) is arranged in the middle of the pressing plate one (34), the connecting hole five (35) is connected with a reversing mechanism (5), a lifting ring (37) is arranged on one side of the pressing plate one (34), the top of the lifting ring (37) is fixedly connected with the recess (33), the lifting ring (37) is connected with a falling prevention mechanism (7), a horizontally arranged bolt three (36) is threadedly connected in each of the connecting block twos (32), the bolt three (36) is rotatably connected with the connecting hole four (28) at the upper end of the connecting pipe two (27).

5. A shaft rescue device according to claim 3, characterised in that: The connecting pipe three (41) is arranged on the outer side wall of the connecting pipe two (27) of one of the support legs (2) and is boltedly connected with the connecting pipe two (27).

6. A shaft rescue device according to claim 4, characterised in that: The lock catch one (51) is connected with the connecting hole five (35).

7. A shaft rescue device according to claim 3, characterised in that: The falling prevention mechanism (7) comprises a rope two (71), a lifting rope two (72) is connected between the two lock catch fours (64), the rope two (71) passes through the lifting ring (37), one end is held in the hand of a ground worker, the other end is connected with the lifting rope two (72).

Images