Lifting rope lock catch structure for rescue helicopter
By designing a rope locking structure for rescue helicopters, adjusting the position of the rope and preventing twisting, the problem of cargo instability caused by rope tilting in existing technologies has been solved, thus improving stability and safety during the lifting process.
Patent Information
- Application Number
- CN202423272722.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The existing rescue helicopter sling structure cannot adjust the sling position according to the size of the cargo, causing the connection between the sling and the cargo to tilt, generating a horizontal component force, which makes the cargo prone to swinging and twisting during the hoisting process.
A sling lock structure for rescue helicopters was designed, including a disc, a drive assembly, a moving assembly, and a limiting assembly. The drive assembly adjusts the position of the sling to keep it vertical, and the limiting assembly prevents the sling from twisting, ensuring the stability of the cargo during hoisting.
This achieves a stable connection between the lifting rope and the cargo, preventing the cargo from swinging and twisting during lifting, thus improving the stability and safety of the lifting process.
Smart Images

Figure CN223533661U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of hoisting technology, specifically to a hoisting rope locking structure for rescue helicopters. Background Technology
[0002] A rescue helicopter is an aircraft used for emergency rescue missions. It can quickly reach the scene of traffic accidents, areas affected by natural disasters (such as earthquakes, floods, landslides, etc.), and locations of maritime distress, playing a crucial role in medical emergency response, personnel transfer, and material transportation.
[0003] When transporting rescue cargo, rescue helicopters need to use slings to lift the cargo for transport. The cargo is mainly secured to the four corners or sides using four slings. In current lifting structures, the positions of the four slings are fixed and cannot be adjusted according to the size of the cargo to ensure that the slings are vertical. When lifting large or small cargo, the connection between the slings and the cargo will be tilted. The tilted slings have a horizontal component force, making the cargo more likely to swing in the air. Utility Model Content
[0004] The purpose of this invention is to provide a rope locking structure for rescue helicopters to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a rope locking structure for a rescue helicopter, comprising: a disc, and further comprising: multiple equidistant sliding openings on the outer wall of the top of the disc, a drive assembly rotatably mounted on the outer wall of the top of the disc, and a moving assembly slidably connected to the inner wall of the sliding openings, a support frame fixed on the outer wall of the top of the disc, and a main rope fixed on the top of the support frame, one end of the top of the moving assembly rotatably connected to the outer wall of the drive assembly, and a limit assembly installed on the outer wall of the bottom of the moving assembly, and a rope hanging from the bottom of the moving assembly.
[0006] The drive assembly includes a threaded rod, a rotating component mounted at the bottom of the threaded rod, and a lifting block screwed onto the threaded rod.
[0007] The moving component includes a slider, a connecting rod rotatably mounted on the top of the slider, and a hanging frame fixed to the bottom of the slider.
[0008] The limiting component includes an L-shaped plate and a limiting frame installed at one end of the L-shaped plate.
[0009] The cross-section of the limiting frame is an "M" shaped structure.
[0010] The end of the connecting rod away from the slider is rotatably connected to the outer wall of the lifting block.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] This utility model discloses a sling lock structure for rescue helicopters, which can fix four slings to the four sides of the cargo. Depending on the size of the cargo, the drive component can be rotated to move the four moving components, which in turn move the tops of the four slings. The slings can be adjusted to be vertical, with no horizontal force acting on them. The cargo is more stable under the vertical slings and less prone to swaying. The limiting component can be locked to the outside of the slings, making them less prone to twisting and more stable. Attached Figure Description
[0013] Figure 1 This is a top view of the structure of this utility model;
[0014] Figure 2 This is a bottom view of the structure of this utility model;
[0015] Figure 3 This is a structural diagram of the drive component of this utility model;
[0016] Figure 4 This is a structural diagram of the moving component and the limiting component of this utility model.
[0017] In the diagram: 1. Disc; 2. Sliding port; 3. Drive assembly; 301. Threaded rod; 302. Rotating component; 303. Lifting block; 4. Frame; 5. Main rope; 6. Moving assembly; 601. Slider; 602. Connecting rod; 603. Lifting frame; 7. Limiting assembly; 701. L-shaped plate; 702. Limiting frame; 8. Lifting rope; 9. Goods. Detailed Implementation
[0018] 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.
[0019] Please see Figure 1-4 The present invention provides a rope locking structure for a rescue helicopter, comprising: a disc 1, and further comprising: multiple equidistant sliding openings 2 opened on the top outer wall of the disc 1, a drive assembly 3 rotatably mounted on the top outer wall of the disc 1, and a moving assembly 6 slidably connected to the inner wall of the sliding openings 2, a support frame 4 fixed on the top outer wall of the disc 1, and a main rope 5 fixed on the top of the support frame 4, one end of the top of the moving assembly 6 being rotatably connected to the outer wall of the drive assembly 3, and a limit assembly 7 installed on the bottom outer wall of the moving assembly 6, and a rope 8 hanging at the bottom of the moving assembly 6.
[0020] It should be noted that the four lifting ropes 8 can be fixed to the four sides of the cargo 9 respectively. Depending on the size of the cargo 9, the drive component 3 can be rotated, which will simultaneously drive the four moving components 6 to move, and in turn, drive the tops of the four lifting ropes 8 to move. By adjustment, all four lifting ropes 8 can be made to be in a vertical state, with no horizontal force acting on the lifting ropes 8. The cargo 9 is relatively more stable under the vertical lifting ropes 8 and is less prone to significant swaying. The limit component 7 can be locked on the outside of the lifting ropes 8, making the lifting ropes 8 less prone to twisting and more stable.
[0021] In a preferred embodiment, the drive assembly 3 includes a threaded rod 301, a rotating member 302 mounted on the bottom of the threaded rod 301, and a lifting block 303 screwed onto the threaded rod 301.
[0022] It should be noted here that the rotatable threaded rod 301 adjusts the lifting block 303, thereby driving the four moving components 6 to move.
[0023] In a preferred embodiment, the moving component 6 includes a slider 601, a connecting rod 602 rotatably mounted on the top of the slider 601, and a hanging frame 603 fixed to the bottom of the slider 601.
[0024] It should be noted that the lifting block 303 can be raised or lowered by moving the slider 601 through the connecting rod 602, thereby adjusting the top position of the suspension rope 8 and making it easier to adjust the suspension rope 8 to a vertical state.
[0025] In a preferred embodiment, the limiting component 7 includes an L-shaped plate 701 and a limiting frame 702 mounted on one end of the L-shaped plate 701.
[0026] It should be noted here that the suspension rope 8 can be locked inside the limit bracket 702 and is not easily twisted.
[0027] Working principle: The four lifting ropes 8 can be fixed to the four sides of the cargo 9 respectively. According to the size of the cargo 9, the threaded rod 301 can be rotated to adjust the lifting block 303. The lifting block 303 can be adjusted by simultaneously pushing the four sliders 601 through the four connecting rods 602, thereby adjusting the top position of the four lifting ropes 8. This makes it easy to adjust the four lifting ropes 8 to a vertical state. Without horizontal force acting on the lifting ropes 8, the cargo 9 is relatively more stable under the vertical lifting ropes 8 and is less prone to obvious swaying. The lifting ropes 8 can be locked in the limit frame 702, making the lifting ropes 8 less prone to twisting and more stable.
[0028] 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 sling lock structure for a rescue helicopter, comprising: Disk (1); The invention is characterized by further comprising: multiple equidistant sliding openings (2) on the top outer wall of the disc (1); a drive assembly (3) is rotatably mounted on the top outer wall of the disc (1); a moving assembly (6) is slidably connected to the inner wall of the sliding openings (2); a stand (4) is fixed on the top outer wall of the disc (1); a main rope (5) is fixed on the top of the stand (4); one end of the top of the moving assembly (6) is rotatably connected to the outer wall of the drive assembly (3); a limit assembly (7) is installed on the bottom outer wall of the moving assembly (6); and a hanging rope (8) is hung on the bottom of the moving assembly (6).
2. The sling lock structure for a rescue helicopter according to claim 1, characterized in that: The drive assembly (3) includes a threaded rod (301), a rotating part (302) mounted on the bottom of the threaded rod (301), and a lifting block (303) screwed onto the threaded rod (301).
3. The sling lock structure for a rescue helicopter according to claim 2, characterized in that: The moving component (6) includes a slider (601), a connecting rod (602) rotatably mounted on the top of the slider (601), and a hanging frame (603) fixed to the bottom of the slider (601).
4. The sling lock structure for a rescue helicopter according to claim 1, characterized in that: The limiting component (7) includes an L-shaped plate (701) and a limiting frame (702) installed at one end of the L-shaped plate (701).
5. The sling lock structure for a rescue helicopter according to claim 4, characterized in that: The cross-section of the limiting frame (702) is an "M" shaped structure.
6. The sling lock structure for a rescue helicopter according to claim 3, characterized in that: The end of the connecting rod (602) away from the slider (601) is rotatably connected to the outer wall of the lifting block (303).