Auxiliary rescue device of rescue helicopter

Abstract

The utility model discloses an auxiliary rescue device of a rescue helicopter, which comprises a rescue machine, the bottom surface of the rescue machine is fixedly connected with a fixing plate, the bottom surface of the fixing plate is fixedly connected with a telescopic hoisting device, the bottom surface of the telescopic hoisting device is provided with a restraining assembly, and the restraining assembly comprises a mounting frame. The mounting frame is fixedly connected to the bottom surface of the telescopic hoisting device, a connecting rope is fixedly connected to the inner wall of the mounting frame, and the multiple hoisting ropes of the telescopic hoisting device are conveniently distributed into a geometrical shape through the arranged restraining assembly, so that the multiple hoisting ropes of the fixing plate are restrained, and the hoisting efficiency is improved. The rotating motion around the axis of the motor under the action of airflow is avoided, meanwhile, when the lifting height of the telescopic lifting device is increased, the output end of the motor rotates so as to drive the two restraining plates to rotate, the corresponding restraining plates can be put down, then the restraining intervals of the multiple restraining plates are increased, and the restraining effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to rescue helicopter technical field, concretely is a kind of rescue helicopter auxiliary rescue device. BACKGROUND

[0002] In traditional rescue operation, rescue basket as common rescue tool is widely used, however, it has significant defects in hoisting process.

[0003] When hoisting using single rope, in the process of helicopter flight, fuselage is irregularly impacted by airflow, and this unstable airflow can be transmitted to hoisting rope connected therewith, and the single hoisting rope of traditional rescue basket lacks effective constraint and balancing mechanism, under the action of airflow, it is easy to produce rotary motion around its own axis, and this rotation is extremely harmful to rescue personnel, rescue personnel is in the basket, with the rotation of basket, strong dizziness will be produced, which not only makes rescue personnel extremely uncomfortable, reduces its physical function and reaction ability, but also may affect rescue personnel to execute rescue task at critical moment, in addition, the safety of rescue personnel under this uncomfortable state is also threatened, may fall from the basket due to loss of balance, further increase the risk and uncertainty of rescue action, seriously affect the efficient completion of rescue task, therefore, rescue helicopter auxiliary rescue device is needed to solve the above problems. SUMMARY

[0004] The utility model aims at providing a kind of rescue helicopter auxiliary rescue device, to solve the problem that the single hoisting rope of traditional rescue basket lacks effective constraint and balancing mechanism in the background art described above, under the action of airflow, it is easy to produce rotary motion around its own axis.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of rescue helicopter auxiliary rescue device, including rescue machine, the bottom surface of the rescue machine is fixedly connected with fixed plate, the bottom surface of the fixed plate is fixedly connected with telescopic hoisting device, the bottom surface of the telescopic hoisting device is provided with constraint assembly;

[0006] The constraint assembly comprises a mounting frame fixedly connected to the bottom surface of the telescopic lifting device, a connecting rope fixedly connected to the inner wall of the mounting frame, a plurality of constraint plates fixedly connected to the surface of the connecting rope, two rotating columns rotatably connected to the inner wall of the mounting frame, two spur gears fixedly connected to the surface of the rotating columns, two first synchronous wheels fixedly connected to the surface of the rotating column and the surface of the movable column, and two limit wheels fixedly connected to the surface of the movable column.

[0007] In the technical solution, the constraint assembly is arranged to facilitate the distribution of the plurality of lifting ropes of the telescopic lifting device into geometric shapes, thereby restraining the plurality of lifting ropes of the fixing plate from rotating around their own axes under the action of air flow, and when the lifting height of the telescopic lifting device is increased, the output end of the motor rotates to drive the two constraint plates to rotate, thereby lowering the corresponding constraint plates and increasing the constraint interval of the plurality of constraint plates, thereby ensuring the constraint effect.

[0008] Preferably, the lower ends of the plurality of lifting ropes of the fixing plate are fixedly connected with connecting hooks, the inner wall of the lifting basket of the fixing plate is slidably connected with a sliding column, the surface of the sliding column is slidably connected with a connecting plate, the upper end of the connecting plate is fixedly connected with a plurality of connecting heads, and the connecting heads are matched with the connecting hooks.

[0009] In the technical solution, the connecting hooks and the connecting heads are matched with each other to facilitate the quick connection and disconnection of the lifting ropes of the fixing plate and the lifting basket of the fixing plate.

[0010] Preferably, the surfaces of the plurality of lifting ropes of the fixing plate are slidably connected with the inner wall of the constraint plate, and the inner wall of the sliding sleeve is slidably connected with the surface of the lifting rope of the fixing plate.

[0011] In the technical solution, the rotating column is arranged to facilitate the protection of the lifting ropes of the telescopic lifting device and the smooth sliding of the lifting ropes of the telescopic lifting device inside the sliding sleeve, thereby preventing the inner wall of the constraint plate from abrading the surface of the lifting rope in the long-term lifting process.

[0012] Preferably, the surface of the mounting frame and the surface of the rotating column are fixedly connected with a second synchronous wheel, and the surfaces of the two second synchronous wheels are sleeved with a second belt.

[0013] In the technical solution, the second synchronous wheel and the second belt are matched with each other to facilitate the connection of the rotating column and the rotating column, so that the rotating column and the rotating column rotate synchronously.

[0014] Preferably, a spring is fitted onto the surface of the sliding column, and the lower end of the spring is fixedly connected to the upper end of the connecting plate.

[0015] In this technical solution, the spring is designed to cushion the swaying caused by the helicopter's ascent and descent during hoisting, thereby improving the stability of the hoisting operation.

[0016] Preferably, a motor is fixedly connected to the side wall of the mounting bracket, and one end of the movable column located at the rear is fixedly connected to the output end of the motor.

[0017] In this technical solution, the motor facilitates the control of the rotating column and provides power for the rotation of the two limit wheels.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] By setting up constraint components, it is easy to distribute the multiple hoisting ropes of the telescopic hoisting device into a geometric shape, thereby constraining the multiple hoisting ropes of the fixed plate and preventing them from rotating around their own axis when subjected to airflow. At the same time, when the hoisting height of the telescopic hoisting device increases, the output end of the motor rotates, thereby driving the two constraint plates to rotate and lower the corresponding constraint plates, thus increasing the constraint range of multiple constraint plates and ensuring the constraint effect. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a schematic diagram of the constraint plate structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the constraint component structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the connecting hook structure of this utility model;

[0024] Figure 5 This is a schematic diagram of the limiting wheel structure of this utility model;

[0025] Figure 6 This is a schematic diagram of the sliding column structure of this utility model.

[0026] In the diagram: 1. Rescue machine; 2. Fixed plate; 3. Telescopic hoisting device; 4. Restraint assembly; 401. Mounting frame; 402. Connecting rope; 403. Restraint plate; 404. Rotating column; 405. Spur gear; 406. Rotating column; 407. Movable column; 408. First synchronous pulley; 409. First belt; 410. Second synchronous pulley; 411. Second belt; 412. Motor; 413. Limit wheel; 414. Connecting hook; 415. Sliding column; 416. Spring; 417. Connecting plate; 418. Connector; 419. Sliding sleeve. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figures 1-6 The present invention provides a rescue helicopter auxiliary rescue device, including a rescue aircraft 1, a fixed plate 2 fixedly connected to the bottom surface of the rescue aircraft 1, a retractable hoisting device 3 fixedly connected to the bottom surface of the fixed plate 2, and a restraint component 4 provided on the bottom surface of the retractable hoisting device 3.

[0029] The constraint assembly 4 includes a mounting frame 401, which is fixedly connected to the bottom surface of the telescopic hoisting device 3. A connecting rope 402 is fixedly connected to the inner wall of the mounting frame 401, and multiple constraint plates 403 are fixedly connected to the surface of the connecting rope 402. Two rotating columns 404 are rotatably connected to the inner wall of the mounting frame 401, and spur gears 405 are fixedly connected to the surface of the rotating columns 404. The two spur gears 405 mesh with each other. Two rotating columns 406 are rotatably connected to the inner wall of the mounting frame 401, and two movable columns 407 are rotatably connected to the inner wall of the mounting frame 401. First synchronous pulleys 408 are fixedly connected to the surfaces of both rotating columns 406 and movable columns 407. The surfaces of the two first synchronous pulleys 408 are fitted with the same... A first belt 409 and two movable columns 407 are fixedly connected to limit wheels 413. The constraint components 4 facilitate the distribution of multiple hoisting ropes of the telescopic hoisting device 3 into a geometric shape, thereby constraining the multiple hoisting ropes of the fixed plate 2 and preventing them from rotating around their own axis when subjected to airflow. At the same time, when the hoisting height of the telescopic hoisting device 3 increases, the output end of the motor 412 rotates, thereby driving the two constraint plates 403 to rotate and lower the corresponding constraint plates 403, thereby increasing the constraint range of multiple constraint plates 403 and ensuring the constraint effect. The telescopic hoisting device 3 is a common hoisting component and is considered prior art in this technology, so it will not be described in detail here.

[0030] Furthermore, the lower ends of multiple hoisting ropes of the fixed plate 2 are all fixedly connected with connecting hooks 414, and the inner wall of the hoisting basket of the fixed plate 2 is slidably connected with sliding columns 415. The surface of the sliding columns 415 is slidably connected with connecting plates 417, and the upper end of the connecting plates 417 is fixedly connected with multiple connectors 418. The connectors 418 are matched with the connecting hooks 414. By using the connecting hooks 414 and connectors 418 in cooperation, it is easy to quickly connect and disconnect the hoisting ropes of the fixed plate 2 from the hoisting basket of the fixed plate 2.

[0031] Furthermore, the surfaces of the multiple hoisting ropes on the fixed plate 2 are slidably connected to the inner wall of the constraint plate 403. The inner wall of the constraint plate 403 is fixedly connected to multiple sliding sleeves 419. The inner wall of the sliding sleeves 419 is slidably connected to the surface of the hoisting ropes on the fixed plate 2. The rotating column 404 facilitates the protection of the hoisting ropes of the telescopic hoisting device 3 and also facilitates the smooth sliding of the hoisting ropes of the telescopic hoisting device 3 inside the sliding sleeves 419, thus preventing the inner wall of the constraint plate 403 from damaging the surface of the hoisting ropes during long-term hoisting.

[0032] Furthermore, the surface of the mounting bracket 401 and the surface of the rotating column 406 are both fixedly connected with second synchronous pulleys 410. The surface of the two second synchronous pulleys 410 is fitted with the same second belt 411. The second synchronous pulleys 410 and the second belt 411 cooperate with each other to facilitate the connection between the rotating column 406 and the rotating column 404, so that the rotating column 404 and the rotating column 406 rotate synchronously.

[0033] Furthermore, a spring 416 is fitted on the surface of the sliding column 415. The lower end of the spring 416 is fixedly connected to the upper end of the connecting plate 417. The spring 416 facilitates the buffering of the swaying caused by the helicopter's ascent and descent during hoisting, thereby improving the stability of the hoisting.

[0034] Furthermore, a motor 412 is fixedly connected to the side wall of the mounting bracket 401, and one end of the rear movable column 407 is fixedly connected to the output end of the motor 412. The motor 412 facilitates the control of the rotation of the movable column 407 and provides power for the rotation of the two limit wheels 413.

[0035] Working principle: The connecting hook 414 and the connector 418 work together to facilitate quick connection and disconnection of the hoisting rope of the fixed plate 2 and the hoisting basket of the fixed plate 2. The constraint component 4 facilitates the distribution of multiple hoisting ropes of the telescopic hoisting device 3 into a geometric shape, thereby constraining the multiple hoisting ropes of the fixed plate 2 and preventing them from rotating around their own axis when subjected to airflow. At the same time, when the hoisting height of the telescopic hoisting device 3 increases, the output end of the motor 412 rotates, thereby driving the two constraint plates 403 to rotate and lower the corresponding constraint plates 403, thereby increasing the constraint range of multiple constraint plates 403 and ensuring the constraint effect.

[0036] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A rescue helicopter assisted rescue device comprising a rescue machine (1), characterized in that: The bottom surface of the rescue machine (1) is fixedly connected with a fixed plate (2), the bottom surface of the fixed plate (2) is fixedly connected with a telescopic lifting device (3), and the bottom surface of the telescopic lifting device (3) is provided with a constraint assembly (4); The constraint assembly (4) comprises a mounting frame (401) fixedly connected to the bottom surface of the telescopic lifting device (3), a connecting rope (402) fixedly connected to the inner wall of the mounting frame (401), a plurality of constraint plates (403) fixedly connected to the surface of the connecting rope (402), two rotating columns (404) rotatably connected to the inner wall of the mounting frame (401), two spur gears (405) fixedly connected to the surface of the rotating column (404), two rotating columns (406) rotatably connected to the inner wall of the mounting frame (401), two movable columns (407) rotatably connected to the inner wall of the mounting frame (401), a first synchronous wheel (408) fixedly connected to the surface of the rotating column (406) and the surface of the movable column (407), and a first belt (409) sleeved on the surface of the two first synchronous wheels (408).

2. A rescue hoist assisted rescue device according to claim 1, characterised in that: The lower end of the lifting rope of the fixed plate (2) is fixedly connected with a connecting hook (414), the inner wall of the lifting basket of the fixed plate (2) is slidably connected with a sliding column (415), the surface of the sliding column (415) is slidably connected with a connecting plate (417), the upper end of the connecting plate (417) is fixedly connected with a plurality of connecting heads (418), and the connecting head (418) is matched with the connecting hook (414).

3. A rescue hoist assisted rescue device according to claim 1, characterised in that: The surface of the lifting rope of the fixed plate (2) is slidably connected with the inner wall of the constraint plate (403), the inner wall of the constraint plate (403) is fixedly connected with a plurality of sliding sleeves (419), and the inner wall of the sliding sleeve (419) is slidably connected with the surface of the lifting rope of the fixed plate (2).

4. A rescue hoist assisted rescue device according to claim 1, characterised in that: The surface of the mounting frame (401) and the surface of the rotating column (406) are fixedly connected with a second synchronous wheel (410), and the surfaces of the two second synchronous wheels (410) are sleeved with a second belt (411).

5. A rescue hoist assisted rescue device according to claim 2, characterised in that: The surface of the sliding column (415) is sleeved with a spring (416), and the lower end of the spring (416) is fixedly connected with the upper end of the connecting plate (417).

6. A rescue hoist assisted rescue device according to claim 1, characterised in that: The side wall of the mounting frame (401) is fixedly connected with a motor (412), and one end of the movable column (407) located at the rear is fixedly connected with the output end of the motor (412).

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