Braking lifting appliance for underwater escape training cabin of helicopter

Abstract

The invention relates to the technical field of lifting appliances, and discloses a helicopter underwater escape training cabin braking lifting appliance which comprises a gantry crane and further comprises a training cabin, the training cabin is arranged below the transverse edge of the gantry crane, and a lifting block is arranged at the top of the training cabin; the first hoisting assembly is arranged at the bottom of the transverse edge of the gantry crane, and the first hoisting assembly is used for hoisting the training cabin for underwater escape training of trainees; and the second hoisting assembly is arranged below the first hoisting assembly, and the second hoisting assembly is used for hoisting the training cabin for training personnel to strengthen underwater escape training. Through the second hoisting assembly, strain capacity strengthening training can be carried out during helicopter underwater escape training, so that the training cabin can incline forwards, rotate and horizontally move when entering water, the real environment is simulated, the adaptive capacity is improved, the skill and response speed are enhanced, and diversified training selection is achieved; therefore, the training effect and the emergency response capability of the trainee are improved.

Description

Technical Field

[0001] The invention relates to the technical field of slings, in particular to a braking sling for a helicopter underwater escape training cabin. Background Art

[0002] When a helicopter malfunctions while flying over water, it may need to make an emergency landing (or crash) on the water. After the aircraft crashes into the water, it will immediately immerse in the water, and then tilt, flip, and sink. At this time, the passengers or pilots on the aircraft should escape from the cabin as soon as possible. Since the aircraft's sinking process is short, its posture in the water is different, and the passengers are nervous and flustered when an accident occurs, professional training is required for the passengers, and they need to use slings and training cabins during retraining.

[0003] The current helicopter underwater escape training cabin braking hoist directly puts the training cabin vertically into the water through the hoist. It only has this function and cannot truly simulate the posture of a helicopter failure during flight, such as rotation, vertical and horizontal movement, and tilting posture, resulting in poor training effect for personnel and failing to improve the emergency response ability of personnel. Therefore, it is urgent to design a helicopter underwater escape training cabin braking hoist. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings in the prior art and to propose a brake hoist for a helicopter underwater escape training cabin.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A brake hoist for a helicopter underwater escape training cabin, comprising a gantry crane, and further comprising:

[0007] The training cabin is arranged below the horizontal side of the gantry crane, and a lifting block is arranged on the top of the training cabin;

[0008] The first lifting assembly is arranged at the bottom of the horizontal side of the gantry crane, and the first lifting assembly is used to lift the training cabin for underwater escape training of trainees;

[0009] A second lifting assembly, the second lifting assembly is arranged below the first lifting assembly, and the second lifting assembly is used to lift the training cabin for the trainees to strengthen underwater escape training;

[0010] The above-mentioned functions can simulate the real environment: rotation, vertical and horizontal movement and tilting functions make the training more realistic and close to the actual situation. In real situations, waves and wind on the water surface can cause the helicopter to move and tilt constantly. Therefore, simulating these situations in training can increase the realism and challenge of training and improve adaptability: trainees can train in different angles and directions, which helps trainees adapt to different escape scenarios. During underwater escape, the helicopter may be at different tilt angles, and trainees need to be proficient in dealing with these situations.

[0011] As a further technical solution of the present invention, the second lifting assembly includes: a connecting plate, the connecting plate is horizontally arranged below the horizontal side of the gantry crane, a sleeve is vertically fixedly installed at the bottom of the connecting plate, a sleeve rod is slidably arranged at the bottom of the sleeve, the surface of the sleeve rod is slidably arranged inside the sleeve, and two symmetrically arranged fixing plates are fixedly installed on the top of the lifting block;

[0012] Preferably, it can enhance skills and reaction speed: rotation, vertical and horizontal movement and tilting functions can help trainees improve their reaction speed and handling ability in emergency situations. Trainees need to take quick action to ensure that they and other personnel escape safely from the tilted cabin. Diversified training options: The rotation, vertical and horizontal movement and tilting functions of the cabin allow training instructors to create a variety of complex escape scenarios. Such diversity can ensure that trainees experience and deal with various possible real situations.

[0013] As a further technical solution of the present invention, a rotating shaft is fixedly installed between the two fixed plates, and the end of the sleeve rod is rotatably sleeved on the surface of the rotating shaft. A worm gear is rotatably installed on the side of one of the fixed plates away from the sleeve rod, and the side surface of the worm gear is fixedly installed at the center of the end face of the rotating shaft through a connecting shaft. A worm is meshed with the top of the worm wheel, and the worm is horizontally arranged.

[0014] As a further technical solution of the present invention, a limit plate is rotatably installed at the end of the worm, the limit plate is fixedly installed on the surface of the sleeve rod, a gear is fixedly installed on the end of the worm away from the limit plate, a fixed block is slidably arranged at the bottom of the connecting plate, two symmetrically arranged second racks are vertically fixedly installed at the bottom of the fixed block, the gear is located between the two second racks, and when the second rack and the gear are in contact, the second rack and the gear are meshed, a sliding groove is opened at the bottom of the connecting plate, a slider is slidably installed inside the sliding groove, and the bottom of the slider is fixedly installed on the top of the fixed block.

[0015] As a further technical solution of the present invention, two horizontally arranged mounting blocks are fixedly installed at the bottom of the connecting plate, a reciprocating screw is rotatably installed between the two mounting blocks, the surface of the reciprocating screw is connected to the inside of the fixed block through a thread, one of the mounting blocks is rotatably installed with a one-way bearing on the side away from the reciprocating screw, a connecting shaft is fixedly installed at the inner ring of the one-way bearing and the center of the end face of the reciprocating screw, and a gear ring is fixedly sleeved on the outer ring of the one-way bearing.

[0016] As a further technical solution of the present invention, a fixed plate is fixedly sleeved on the surface of the sleeve rod, an annular groove is provided on the top of the fixed plate, two symmetrically arranged sliding columns are slidably installed inside the annular groove, and two electric telescopic rods are vertically installed at the bottom of the connecting plate, and the telescopic ends of the two electric telescopic rods are respectively fixedly installed at the center of the top of the two sliding columns.

[0017] As a further technical solution of the present invention, a ring is fixedly sleeved on the telescopic end surface of one of the electric telescopic rods, an L-shaped rod is horizontally fixedly installed on the surface of the ring, and a first rack is vertically fixedly installed on the short side end of the L-shaped rod. When the first rack and the gear ring are in contact, the first rack and the gear ring are meshed.

[0018] As a further technical solution of the present invention, a spiral groove is provided on the inner wall of the sleeve, and a vertical groove is also provided on the inner wall of the sleeve. The vertical groove is located above the spiral groove, and the vertical groove and the spiral groove are connected. A boss is fixedly installed on the surface of the sleeve rod, and the surface of the boss is slidably installed inside the spiral groove and the vertical groove.

[0019] As a further technical solution of the present invention, the first lifting component includes: an electric slide, which is horizontally installed at the bottom of the horizontal side of the gantry crane, a winch is arranged under the electric slide, the output end of the electric slide is fixedly installed on the top of the winch, a connecting rope is wrapped around the winch, and the end of the connecting rope away from the winch is fixedly installed on the top of the connecting plate.

[0020] As a further technical solution of the present invention, a circular rail is fixedly sleeved at the center of the surface of the training cabin, the hanging block is U-shaped, and two pulleys are rotatably installed on both inner sides of the hanging block. The four pulleys are rotatably installed on both sides of the circular rail, and a cylinder is installed at the bottom of the horizontal side of the hanging block, and a brake pad for limiting the circular rail is installed at the end of the cylinder.

[0021] The beneficial effects of the present invention are:

[0022] Firstly, the present invention can carry out response capacity strengthening training during helicopter underwater escape training by setting up the second lifting assembly and the gantry crane, so that the training cabin can be tilted, rotated and moved horizontally before entering the water, thus simulating the real environment, improving adaptability, enhancing skills and reaction speed and diversifying training options, thereby improving the training effect and the emergency response capacity of the trainees;

[0023] Secondly, through the arrangement of the first lifting assembly and the gantry crane, the present invention can enable the training cabin to only move up and down during helicopter underwater escape training, so as to provide training for trainees receiving initial training, further realizing the selection of two modes, thereby improving the scope of application of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1This is a structural schematic diagram of a brake hoist for a helicopter underwater escape training cabin proposed by the present invention;

[0025] Figure 2 for Figure 1 A magnified schematic diagram of part A;

[0026] Figure 3 This is a schematic diagram of the structure of a brake hoist of a helicopter underwater escape training cabin proposed by the present invention when viewed from above;

[0027] Figure 4 for Figure 3 A magnified schematic diagram of part B;

[0028] Figure 5 This is a schematic structural diagram of a brake hoist of a helicopter underwater escape training cabin proposed by the present invention after removing the gantry crane;

[0029] Figure 6 This is a schematic structural diagram of a brake hoist of a helicopter underwater escape training cabin proposed by the present invention with the training cabin removed;

[0030] Figure 7 for Figure 6 A magnified schematic diagram of part C;

[0031] Figure 8 This is a schematic structural diagram of a brake hoist of a helicopter underwater escape training cabin proposed by the present invention after removing a connecting plate;

[0032] Fig. 9 for Figure 8 An enlarged schematic diagram of part D in the middle;

[0033] Fig.10 This is a schematic diagram of the cross-sectional structure of a sleeve of a brake hoist for a helicopter underwater escape training cabin proposed by the present invention;

[0034] Fig.11 The present invention provides a schematic diagram of a sleeve rod and a connection structure of a brake hoist for a helicopter underwater escape training cabin.

[0035] In the figure: 1. gantry crane; 2. training cabin; 3. lifting block; 4. connecting plate; 5. fixing plate; 6. sleeve; 7. sleeve rod; 8. electric telescopic rod; 9. fixing plate; 10. annular groove; 11. sliding column; 12. sleeve ring; 13. first rack; 14. electric slide; 15. capstan; 16. gear ring; 17. one-way bearing; 18. second rack; 19. worm; 20. worm wheel; 21. connecting rope; 22. gear; 23. fixing block; 24. reciprocating screw; 25. limit plate; 26. rotating shaft; 27. vertical groove; 28. spiral groove; 29. ​​boss; 30. L-shaped rod. DETAILED DESCRIPTION

[0036] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0037] Please refer to the attached Figure 1 -Attached Fig.11 A helicopter underwater escape training cabin brake hoist, comprising a gantry crane 1, and also comprising: a training cabin 2, a first lifting assembly and a second lifting assembly, wherein the training cabin 2 is arranged below the horizontal side of the gantry crane 1, a lifting block 3 is arranged on the top of the training cabin 2, the first lifting assembly is arranged at the bottom of the horizontal side of the gantry crane 1, the first lifting assembly is used to lift the training cabin 2 for training personnel to perform underwater escape training, the second lifting assembly is arranged below the first lifting assembly, and the second lifting assembly is used to lift the training cabin 2 for training personnel to strengthen underwater escape training;

[0038] The above-mentioned functions can simulate the real environment: rotation, vertical and horizontal movement and tilting functions make the training more realistic and close to the actual situation. In real situations, waves and wind on the water surface can cause the helicopter to move and tilt constantly. Therefore, simulating these situations in training can increase the realism and challenge of training and improve adaptability: trainees can train in different angles and directions, which helps trainees adapt to different escape scenarios. During underwater escape, the helicopter may be at different tilt angles, and trainees need to be proficient in dealing with these situations.

[0039] Please refer to the attached Figure 1 -Attached Fig.11In a preferred embodiment, the second lifting assembly includes: a connecting plate 4, the connecting plate 4 is horizontally arranged below the horizontal side of the gantry crane 1, a sleeve 6 is vertically fixedly installed at the bottom of the connecting plate 4, a sleeve rod 7 is slidably arranged at the bottom of the sleeve 6, and the surface of the sleeve rod 7 is slidably arranged inside the sleeve 6, and two symmetrically arranged fixed plates 5 are fixedly installed on the top of the hanging block 3, a rotating shaft 26 is fixedly installed between the two fixed plates 5, and the end of the sleeve rod 7 is rotatably sleeved on the surface of the rotating shaft 26, and a worm gear 20 is rotatably installed on the side of one of the fixed plates 5 away from the sleeve rod 7, and the side of the worm gear 20 is fixedly installed at the center of the end face of the rotating shaft 26 through a connecting shaft, and the top of the worm gear 20 is meshed with a worm 1 9, the worm 19 is arranged horizontally, and the end of the worm 19 is rotatably installed with a limit plate 25, and the limit plate 25 is fixedly installed on the surface of the sleeve rod 7, and the end of the worm 19 away from the limit plate 25 is fixedly installed with a gear 22, and a fixing block 23 is slidably arranged at the bottom of the connecting plate 4, and two symmetrically arranged second racks 18 are vertically fixedly installed at the bottom of the fixing block 23, and the gear 22 is located between the two second racks 18. When the second rack 18 and the gear 22 are in contact, the second rack 18 and the gear 22 are meshed, and a slide groove is provided at the bottom of the connecting plate 4, and a slider is slidably installed inside the slide groove, and the bottom of the slider is fixedly installed on the top of the fixing block 23, and the bottom of the connecting plate 4 is fixedly installed Two horizontally arranged mounting blocks, a reciprocating screw 24 is rotatably mounted between the two mounting blocks, the surface of the reciprocating screw 24 is connected to the inside of the fixed block 23 by threads, one of the mounting blocks is rotatably mounted with a one-way bearing 17 on the side away from the reciprocating screw 24, a connecting shaft is fixedly mounted at the inner ring of the one-way bearing 17 and the center of the end face of the reciprocating screw 24, a gear ring 16 is fixedly sleeved on the outer ring of the one-way bearing 17, a fixed plate 9 is fixedly sleeved on the surface of the sleeve rod 7, an annular groove 10 is provided on the top of the fixed plate 9, two symmetrically arranged sliding columns 11 are slidably mounted inside the annular groove 10, two electric telescopic rods 8 are vertically mounted at the bottom of the connecting plate 4, and the two electric telescopic rods 8 The telescopic ends are fixedly installed at the top centers of the two sliding columns 11, respectively. A sleeve 12 is fixedly sleeved on the telescopic end surface of one of the electric telescopic rods 8. An L-shaped rod 30 is fixedly installed horizontally on the surface of the sleeve 12. A first rack 13 is fixedly installed vertically on the short side end of the L-shaped rod 30. When the first rack 13 and the gear ring 16 are in contact, the first rack 13 and the gear ring 16 are meshed. A spiral groove 28 is provided on the inner wall of the sleeve 6. A vertical groove 27 is also provided on the inner wall of the sleeve 6. The vertical groove 27 is located above the spiral groove 28. The vertical groove 27 and the spiral groove 28 are connected. A convex column 29 is fixedly installed on the surface of the sleeve rod 7. The surface of the convex column 29 is slidably installed inside the spiral groove 28 and the vertical groove 27.

[0040] Preferably, it can enhance skills and reaction speed: rotation, vertical and horizontal movement and tilting functions can help trainees improve their reaction speed and handling ability in emergency situations. Trainees need to take quick action to ensure that they and other personnel escape safely from the tilted cabin. Diversified training options: The rotation, vertical and horizontal movement and tilting functions of the cabin allow training instructors to create a variety of complex escape scenarios. Such diversity can ensure that trainees experience and deal with various possible real situations.

[0041] Please refer to the attached Figure 1 -Attached Figure 4 In a preferred embodiment, the first lifting assembly includes: an electric slide 14, the electric slide 14 is horizontally mounted at the bottom of the horizontal side of the gantry crane 1, a winch 15 is arranged below the electric slide 14, the output end of the electric slide 14 is fixedly mounted on the top of the winch 15, a connecting rope 21 is wound around the winch 15, and the end of the connecting rope 21 away from the winch 15 is fixedly mounted on the top of the connecting plate 4;

[0042] Specifically, the training cabin 2 is enabled to vertically enter the water, so that trainees can complete basic helicopter underwater escape training, which is convenient for first-time trainees.

[0043] Please refer to the attached Figure 1 In a preferred embodiment, a circular rail is fixedly sleeved at the center of the surface of the training cabin 2, the hanging block 3 is U-shaped, two pulleys are rotatably installed on both inner sides of the hanging block 3, and four pulleys are rotatably installed on both sides of the circular rail, and a cylinder is installed at the bottom of the horizontal side of the hanging block 3, and a brake pad for limiting the circular rail is installed at the end of the cylinder;

[0044] Furthermore, the training cabin 2 can be pneumatically locked.

[0045] Working principle: First, the trainee enters the training cabin 2, sits on the seat and fastens the seat belt;

[0046] Conventional training: the training cabin 2 is moved to the top of the pool by moving the gantry crane 1 and starting the electric slide 14, and then the connecting rope 21 is released by the winch 15, so that the connecting plate 4 can move downward, and the connecting plate 4 moves downward to drive the electric telescopic rod 8 and the sleeve 6 to move, and the electric telescopic rod 8 drives the fixed plate 9 to move downward, and the fixed plate 9 moves downward to drive the sleeve rod 7 to move downward, so that the sleeve 6 and the sleeve rod 7 can move downward together, and the sleeve rod 7 moves downward to drive the hanging block 3 and the training cabin 2 to move downward, so that the training cabin 2 can enter the water vertically, so that the trainees can complete the basic helicopter underwater escape training;

[0047] Strengthen training: it is only necessary to move the training cabin 2 to a suitable position through the gantry crane 1, and then start the electric slide 14 and the electric telescopic rod 8. The movement of the electric slide 14 drives the winch 15 to move horizontally, and the winch 15 drives the connecting plate 4 to move horizontally through the connecting rope 21. In summary, the connecting plate 4 will drive the training cabin 2 to move horizontally, and the training cabin 2 has been moved in the vertical and horizontal directions at the same time, simulating the real movement posture of the helicopter when it falls. The electric telescopic rod 8 will drive the sliding column 11 and the ring 12 to move downward, and the ring 12 moves downward to drive the L-shaped rod 30 and the first rack 13 to move downward, and the first rack 13 moves downward to drive the gear ring 16 to rotate, and the rotation of the gear ring 16 drives the one-way bearing 17 to rotate, and the one-way bearing 17 rotates The reciprocating screw 24 is driven to rotate, and the rotation of the reciprocating screw 24 drives the fixed block 23 to move, and the movement of the fixed block 23 drives the two second racks 18 to move (when the first rack 13 returns, due to the setting of the one-way bearing 17, the rotation of the gear ring 16 will not drive the reciprocating screw 24 to rotate through the one-way bearing 17, and reciprocate in sequence, so that two consecutive strengthening trainings can be performed, and different second racks 18 and gears 22 are used to mesh to achieve the training cabin 2 to be tilted at different angles, and it should be noted that only after the first rack 13 and the gear ring 16 finish meshing, the gear 22 will contact the corresponding second rack 18), the sliding column 11 moves downward to drive the fixed plate 9 to move downward, and the fixed plate 9 moves downward to drive the sleeve The rod 7 moves downward, and the sleeve rod 7 moves downward to drive the boss 29 to move downward (the starting position of the boss 29 is located inside the vertical groove 27. Before the boss 29 enters the spiral groove 28 from the vertical groove 27, the gear 22 and the second rack 18 are engaged). The boss 29 has been realized to slide inside the vertical groove 27. The sleeve rod 7 moves downward to drive the limit plate 25 and the hanging block 3 to move downward. The limit plate 25 moves downward to drive the worm 19 to move downward. The worm 19 moves downward to drive the gear 22 to move downward. The gear 22 moves downward to mesh with the corresponding second rack 18 and rotate the gear 22. The rotation of the gear 22 drives the worm 19 to rotate. The rotation of the worm 19 drives the worm wheel 20 to rotate (the worm 19 and the worm wheel 20 have self-locking properties). The rotation of the worm gear 20 drives the rotating shaft 26 and the fixing plate 5 to rotate, and the rotation of the fixing plate 5 drives the hanging block 3 and the training cabin 2 to rotate, so that the inclination angle of the training cabin 2 can be adjusted to simulate the tilting of the helicopter when it falls. Then the boss 29 will enter the spiral groove 28, and the boss 29 will move along the spiral groove 28 as a path, so that after the boss 29 enters the spiral groove 28, it drives the sleeve rod 7 to rotate and move downward, and the sleeve rod 7 rotates and moves downward to drive the hanging block 3 and the training cabin 2 to rotate downward, so that the training cabin 2 can be rotated into the water during training. In summary, since the waves and wind on the water surface can cause the helicopter to move and tilt continuously, simulating these situations in training can increase the realism and challenge of the training;

[0048] In summary, the sling has two modes to choose from, namely, normal training and enhanced training, thereby improving the application scope of the sling.

[0049] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A brake hoist for a helicopter underwater escape training cabin, comprising a gantry crane (1), characterized in that: Also includes: A training cabin (2), the training cabin (2) being arranged below the horizontal side of the gantry crane (1), and a lifting block (3) being arranged on the top of the training cabin (2); A first lifting assembly, the first lifting assembly being arranged at the bottom of the horizontal side of the gantry crane (1), the first lifting assembly being used for lifting the training cabin (2) for underwater escape training of trainees; A second lifting assembly is arranged below the first lifting assembly, and the second lifting assembly is used to lift the training cabin (2) for training personnel to strengthen underwater escape training.

2. The helicopter underwater escape training cabin brake hoist according to claim 1, characterized in that: The second lifting assembly comprises: a connecting plate (4), the connecting plate (4) is horizontally arranged below the horizontal side of the gantry crane (1), a sleeve (6) is vertically fixedly installed at the bottom of the connecting plate (4), a sleeve rod (7) is slidably arranged at the bottom of the sleeve (6), and the surface of the sleeve rod (7) is slidably arranged inside the sleeve (6), and two symmetrically arranged fixing plates (5) are fixedly installed on the top of the lifting block (3).

3. The helicopter underwater escape training cabin brake hoist according to claim 2, characterized in that: A rotating shaft (26) is fixedly installed between the two fixed plates (5), and the end of the sleeve rod (7) is rotatably sleeved on the surface of the rotating shaft (26). A worm wheel (20) is rotatably installed on the side of one of the fixed plates (5) away from the sleeve rod (7). The side of the worm wheel (20) is fixedly installed at the center of the end face of the rotating shaft (26) through a connecting shaft. A worm (19) is meshed at the top of the worm wheel (20), and the worm (19) is arranged horizontally.

4. The helicopter underwater escape training cabin brake hoist according to claim 3, characterized in that: The end of the worm (19) is rotatably mounted with a limit plate (25), and the limit plate (25) is fixedly mounted on the surface of the sleeve rod (7). The end of the worm (19) away from the limit plate (25) is fixedly mounted with a gear (22). A fixed block (23) is slidably mounted at the bottom of the connecting plate (4), and two symmetrically arranged second racks (18) are vertically fixedly mounted at the bottom of the fixed block (23). The gear (22) is located between the two second racks (18). When the second rack (18) and the gear (22) are in contact, the second rack (18) and the gear (22) are meshed. A sliding groove is provided at the bottom of the connecting plate (4), and a slider is slidably mounted inside the sliding groove. The bottom of the slider is fixedly mounted on the top of the fixed block (23).

5. The helicopter underwater escape training cabin brake hoist according to claim 4, characterized in that: Two horizontally arranged mounting blocks are fixedly mounted at the bottom of the connecting plate (4), a reciprocating screw (24) is rotatably mounted between the two mounting blocks, the surface of the reciprocating screw (24) is connected to the inside of the fixed block (23) through a thread, a one-way bearing (17) is rotatably mounted on the side of one of the mounting blocks away from the reciprocating screw (24), a connecting shaft is fixedly mounted at the inner ring of the one-way bearing (17) and the center of the end face of the reciprocating screw (24), and a gear ring (16) is fixedly sleeved on the outer ring of the one-way bearing (17).

6. The helicopter underwater escape training cabin brake hoist according to claim 5, characterized in that: A fixed plate (9) is fixedly sleeved on the surface of the sleeve rod (7), an annular groove (10) is provided on the top of the fixed plate (9), two symmetrically arranged sliding columns (11) are slidably mounted inside the annular groove (10), two electric telescopic rods (8) are vertically mounted on the bottom of the connecting plate (4), and the telescopic ends of the two electric telescopic rods (8) are respectively fixedly mounted at the top centers of the two sliding columns (11).

7. The helicopter underwater escape training cabin brake hoist according to claim 6, characterized in that: A sleeve (12) is fixedly sleeved on the telescopic end surface of one of the electric telescopic rods (8), an L-shaped rod (30) is fixedly installed horizontally on the surface of the sleeve (12), and a first rack (13) is fixedly installed vertically on the short side end of the L-shaped rod (30), and when the first rack (13) and the gear ring (16) are in contact, the first rack (13) and the gear ring (16) are meshed.

8. The helicopter underwater escape training cabin brake hoist according to claim 7, characterized in that: The inner wall of the sleeve (6) is provided with a spiral groove (28), and the inner wall of the sleeve (6) is also provided with a vertical groove (27), the vertical groove (27) is located above the spiral groove (28), and the vertical groove (27) and the spiral groove (28) are communicated, and a convex column (29) is fixedly mounted on the surface of the sleeve rod (7), and the surface of the convex column (29) is slidably mounted inside the spiral groove (28) and the vertical groove (27).

9. The helicopter underwater escape training cabin brake hoist according to claim 2, characterized in that: The first lifting component comprises: an electric slide (14), the electric slide (14) is horizontally installed at the bottom of the horizontal side of the gantry crane (1), a winch (15) is arranged below the electric slide (14), the output end of the electric slide (14) is fixedly installed on the top of the winch (15), a connecting rope (21) is wound around the winch (15), and the end of the connecting rope (21) away from the winch (15) is fixedly installed on the top of the connecting plate (4).

10. The helicopter underwater escape training cabin brake hoist according to claim 1, characterized in that: A circular rail is fixedly sleeved at the center of the surface of the training cabin (2); the hanging block (3) is U-shaped; two pulleys are rotatably mounted on both inner sides of the hanging block (3); the four pulleys are rotatably mounted on both sides of the circular rail; a cylinder is mounted at the bottom of the horizontal side of the hanging block (3); a brake pad for limiting the circular rail is mounted at the end of the cylinder.

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