Rescue hanging ladder for helicopter

Abstract

The rescue hanging ladder for the helicopter comprises a rescue machine, a fixing plate is fixedly connected to the interior of the rescue machine, a winding assembly is arranged on the top face of the fixing plate, the winding assembly comprises a mounting frame, and the mounting frame is fixedly connected with the fixing plate through the arranged fixing plate. An output shaft of a first motor rotates, a rotating column can be driven to rotate through mutual cooperative use of a belt and a synchronous wheel, the rotating column rotates so that the hanging ladder on the surface of a winding wheel can be wound conveniently, then the winding efficiency is improved, and the winding safety is guaranteed; the hanging ladder and the winding wheel can be conveniently and rapidly connected or disconnected, so that the hanging ladders with different lengths can be conveniently and rapidly replaced according to actual requirements, through mutual cooperative use of a limiting plate and a bolt, the bolt is rotated to enable the lower end of the bolt to downwards extrude the limiting plate, and therefore the limiting plate can conveniently limit the hanging ladder; and the use safety of the hanging ladder is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of helicopter, concretely is a rescue suspension ladder for helicopter. BACKGROUND

[0002] As an efficient aerial rescue platform, the rescue suspension ladder of the helicopter plays a key role in rescue missions.

[0003] The traditional rescue suspension ladder usually relies on manual operation for winding, which not only consumes a lot of time and manpower, but also is inefficient, making it difficult to achieve rapid winding in emergency situations, thereby delaying the rescue opportunity. In addition, when the suspension ladder is damaged or needs to be replaced with a different length according to different rescue scenarios, the replacement procedure of the traditional rescue suspension ladder is complicated and requires the use of multiple tools and professional skills, which cannot meet the demand for rapid replacement, further affecting the efficiency and progress of rescue. Furthermore, during the use of the suspension ladder, due to the lack of effective limiting devices, the suspension ladder is prone to sway and displacement under the influence of gravity, which poses a potential threat to the safety of rescue personnel and rescued persons, increasing the risk and uncertainty of rescue operations. Therefore, there is an urgent need for a rescue suspension ladder for helicopter to solve the above problems. SUMMARY

[0004] The utility model aims at providing a rescue suspension ladder for helicopter to solve the problems of traditional rescue suspension ladder, such as difficulty in automatic and rapid winding, rapid replacement and suspension ladder limiting.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a rescue suspension ladder for helicopter, comprising a rescue machine, a fixed plate is fixedly connected inside the rescue machine, a winding assembly is arranged on the top surface of the fixed plate;

[0006] The winding assembly comprises a mounting bracket, the mounting bracket is slidingly connected to the top surface of the fixed plate, a first motor is fixedly connected to the top surface of the mounting bracket, a rotating column is rotatably connected to the inner wall of the mounting bracket, a synchronous wheel is fixedly connected to the surface of the output shaft of the first motor and the surface of the rotating column, a belt is fixedly connected to the surface of the two synchronous wheels, and a winding wheel is fixedly connected to the surface of the rotating column.

[0007] In this technical scheme, the output shaft of the first motor is rotated through the cooperation of the belt and the synchronous wheel, which drives the rotating column to rotate, facilitating the winding of the suspension ladder on the surface of the winding wheel, thereby improving the winding efficiency and ensuring the safety of winding.

[0008] Preferably, the surface of the winding wheel is provided with an avoiding slot, the inner wall of the avoiding slot is fixedly connected with a connecting column, the top surface of the mounting frame is provided with a hanging ladder, the upper end of the two oil ropes of the hanging ladder is fixedly connected with a hook, and the inner wall of the hook is movably sleeved with the surface of the connecting column.

[0009] In the technical scheme, the connecting column and the hanging ladder are matched to be used, so that the hanging ladder is conveniently connected with or disconnected from the winding wheel, and different lengths of the hanging ladder are conveniently replaced according to actual requirements.

[0010] Preferably, the surface of the mounting frame is fixedly connected with a fixing frame, the inner wall of the fixing frame is slidably connected with a limiting plate, the side wall of the fixing frame is fixedly connected with an L-shaped block, the inner wall of the L-shaped block is threadedly connected with a bolt, and the lower end of the bolt abuts against the upper end of the limiting plate.

[0011] In the technical scheme, the limiting plate and the bolt are matched to be used, the limiting plate is extruded downward by the lower end of the bolt through rotating the bolt, so that the limiting plate limits the hanging ladder, and the safety of the hanging ladder is improved.

[0012] Preferably, the top surface of the fixing frame is fixedly connected with two springs, and the upper end of each of the two springs is fixedly connected with the bottom surface of the limiting plate.

[0013] In the technical scheme, the two springs are arranged, so that the limiting plate is conveniently supported, and the hanging ladder can be smoothly moved from the bottom surface of the fixing frame when the limiting plate is not extruded by the bolt.

[0014] Preferably, the top surface of the fixing plate is fixedly connected with a mounting plate, the side wall of the mounting plate is fixedly connected with a second motor, the inner wall of the mounting frame is threadedly connected with a threaded column, and the surface of the threaded column is fixedly connected with the output end of the second motor.

[0015] In the technical scheme, the second motor and the threaded column are matched to be used, the output end of the second motor is rotated to drive the threaded column to rotate, the threaded column is rotated to drive the winding assembly to move, and the winding assembly is retracted when rescue is not needed, so that the use space of the inner wall of the rescue machine is improved.

[0016] Preferably, the lower end of each of the two oil ropes of the hanging ladder is fixedly connected with a counterweight head, and the two counterweight heads are matched in size.

[0017] In the technical scheme, the two counterweight heads are arranged, so that the gravity of the two counterweight heads is increased during rescue, and the shaking amplitude of the two counterweight heads when affected by wind force is reduced.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] Through the fixed plate, the output shaft of the first motor rotates through the cooperation of the belt and the synchronous wheel, so as to drive the rotating column to rotate, the rotating column rotates, so as to facilitate winding the hanging ladder on the surface of the winding wheel, thereby improving the winding efficiency and ensuring the winding safety, through the cooperation of the connecting column and the hanging ladder, the hanging ladder and the winding wheel are connected or disconnected quickly, so that the hanging ladder of different lengths can be quickly replaced according to actual needs, through the cooperation of the limiting plate and the bolt, the lower end of the bolt extrudes the limiting plate downward, so that the limiting plate limits the hanging ladder, and the safety of the hanging ladder is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0021] Figure 2 It is a winding assembly structure schematic diagram of the utility model;

[0022] Figure 3 It is a threaded column structure schematic diagram of the utility model;

[0023] Figure 4 It is a winding assembly local section structure schematic diagram of the utility model;

[0024] Figure 5 It is Figure 2 It is an enlarged structure schematic diagram of A in the middle.

[0025] In the drawing: 1, rescue machine; 2, fixed plate; 3, winding assembly; 301, mounting frame; 302, first motor; 303, rotating column; 304, synchronous wheel; 305, belt; 306, winding wheel; 307, avoiding slot; 308, connecting column; 309, hanging ladder; 310, hook; 311, fixed frame; 312, limiting plate; 313, L-shaped block; 314, bolt; 315, spring; 316, mounting plate; 317, second motor; 318, threaded column; 319, counterweight head. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-5The utility model provides a rescue suspension ladder for helicopter, including rescue machine 1, the inside fixed connection of rescue machine 1 has fixed plate 2, the top of fixed plate 2 is provided with winding assembly 3, winding assembly 3 includes mounting bracket 301, mounting bracket 301 slidingly connected at the top of fixed plate 2, the top fixed surface of mounting bracket 301 is connected with first motor 302, the inner wall of mounting bracket 301 is connected with rotating column 303, the surface of first motor 302 output shaft and the surface of rotating column 303 all are fixedly connected with synchronous wheel 304, the surface of two synchronous wheels 304 is fixedly connected with same belt 305, the surface of rotating column 303 is fixedly connected with winding wheel 306, through the fixed plate 2 set up, the output shaft rotation of first motor 302 passes through belt 305 and synchronous wheel 304 and is used in cooperation to drive rotating column 303 to rotate, rotating column 303 rotates to conveniently wind the surface of winding wheel 306 suspension ladder 309, and then improve winding efficiency, guarantee winding safety.

[0028] Further, the surface of winding wheel 306 is provided with an avoidance slot 307, the inner wall of avoidance slot 307 is fixedly connected with a connecting column 308, the top of mounting bracket 301 is provided with a suspension ladder 309, the upper end of two oil ropes of suspension ladder 309 is fixedly connected with a hook 310, the inner wall of hook 310 is movably sleeved with the surface of connecting column 308, the connecting column 308 and suspension ladder 309 are used in cooperation through the setting, so that the suspension ladder 309 and winding wheel 306 are conveniently connected or disconnected, so that the suspension ladder 309 of different lengths is conveniently replaced according to actual needs.

[0029] Further, the surface of mounting bracket 301 is fixedly connected with a fixed frame 311, the inner wall of fixed frame 311 is slidingly connected with a limiting plate 312, the side wall of fixed frame 311 is fixedly connected with an L-shaped block 313, the inner wall of L-shaped block 313 is threadedly connected with a bolt 314, the lower end of bolt 314 abuts against the upper end of limiting plate 312, the limiting plate 312 and bolt 314 are used in cooperation through the setting, rotating bolt 314 makes the lower end of bolt 314 extrude limiting plate 312 downward, so that limiting plate 312 limits suspension ladder 309, and the safety of suspension ladder 309 is improved.

[0030] Further, the top of fixed frame 311 is fixedly connected with two springs 315, the upper end of two springs 315 is fixedly connected with the bottom surface of limiting plate 312, the two springs 315 are set up, so that the limiting plate 312 is conveniently supported, and the suspension ladder 309 can smoothly move from the bottom surface of fixed frame 311 when bolt 314 does not extrude limiting plate 312.

[0031] Further, the top surface of the fixed plate 2 is fixedly connected with a mounting plate 316, the side wall of the mounting plate 316 is fixedly connected with a second motor 317, the inner wall of the mounting frame 301 is threadedly connected with a threaded column 318, the surface of the threaded column 318 is fixedly connected with the output end of the second motor 317, the second motor 317 and the threaded column 318 are used in cooperation, the output end of the second motor 317 drives the threaded column 318 to rotate, the threaded column 318 rotates to drive the winding assembly 3 to move, and then the winding assembly 3 is retracted when rescue is not needed, thereby improving the inner wall use space of the rescue machine 1.

[0032] Further, the lower ends of the two oil ropes of the suspended ladder 309 are fixedly connected with counterweight heads 319, the two counterweight heads 319 are matched in size, and the two counterweight heads 319 are used in cooperation, so that the gravity of the two counterweight heads 319 is increased during rescue, and the shaking amplitude of the two counterweight heads 319 when affected by wind is reduced.

[0033] Working principle: the second motor 317 and the threaded column 318 are used in cooperation, the output end of the second motor 317 drives the threaded column 318 to rotate, the threaded column 318 rotates to drive the winding assembly 3 to move, and then the winding assembly 3 is retracted when rescue is not needed, thereby improving the inner wall use space of the rescue machine 1, the output shaft of the first motor 302 rotates through the cooperation of the belt 305 and the synchronous wheel 304, the rotating column 303 rotates to facilitate winding the suspended ladder 309 on the surface of the winding wheel 306, thereby improving the winding efficiency and ensuring the winding safety, the connecting column 308 and the suspended ladder 309 are used in cooperation, so that the suspended ladder 309 and the winding wheel 306 are quickly connected or disconnected, thereby facilitating quick replacement of the suspended ladder 309 of different lengths according to actual needs, and the cooperation of the limiting plate 312 and the bolt 314 is used, the limiting plate 312 is pressed downward by the lower end of the bolt 314, so that the limiting plate 312 limits the suspended ladder 309, and the safety of the suspended ladder 309 is improved.

[0034] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and not limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalents of the elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A helicopter rescue ladder, comprising a rescue aircraft (1), characterized in that: The rescue machine (1) is internally fixedly connected to a fixing plate (2), and a winding assembly (3) is provided on the top surface of the fixing plate (2). The winding assembly (3) includes a mounting frame (301), which is slidably connected to the top surface of the fixed plate (2). A first motor (302) is fixedly connected to the top surface of the mounting frame (301). A rotating column (303) is rotatably connected to the inner wall of the mounting frame (301). Synchronous pulleys (304) are fixedly connected to both the surface of the output shaft of the first motor (302) and the surface of the rotating column (303). The same belt (305) is fixedly connected to the surfaces of the two synchronous pulleys (304). A winding wheel (306) is fixedly connected to the surface of the rotating column (303).

2. The helicopter rescue ladder according to claim 1, characterized in that: The surface of the winding reel (306) is provided with a clearance groove (307), and a connecting column (308) is fixedly connected to the inner wall of the clearance groove (307). A suspension ladder (309) is provided on the top surface of the mounting frame (301). The upper ends of the two oil ropes of the suspension ladder (309) are fixedly connected with hooks (310), and the inner wall of the hooks (310) is movably sleeved with the surface of the connecting column (308).

3. A helicopter rescue ladder according to claim 1, characterized in that: The mounting bracket (301) is fixedly connected to a fixing bracket (311). The inner wall of the fixing bracket (311) is slidably connected to a limiting plate (312). The side wall of the fixing bracket (311) is fixedly connected to an L-shaped block (313). The inner wall of the L-shaped block (313) is threadedly connected to a bolt (314). The lower end of the bolt (314) abuts against the upper end of the limiting plate (312).

4. A helicopter rescue ladder according to claim 3, characterized in that: The top surface of the fixing frame (311) is fixedly connected to two springs (315), and the upper ends of the two springs (315) are fixedly connected to the bottom surface of the limiting plate (312).

5. A helicopter rescue ladder according to claim 1, characterized in that: The top surface of the fixed plate (2) is fixedly connected to the mounting plate (316), the side wall of the mounting plate (316) is fixedly connected to the second motor (317), the inner wall of the mounting bracket (301) is threadedly connected to the threaded post (318), and the surface of the threaded post (318) is fixedly connected to the output end of the second motor (317).

6. A helicopter rescue ladder according to claim 2, characterized in that: The lower ends of the two oil ropes of the suspension ladder (309) are fixedly connected to counterweights (319), and the two counterweights (319) are of the same size.

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