Rapid loading and unloading device for emergency rescue
The hydraulically driven swing arm linkage mechanism and automatic locking mechanism solve the problem of slow loading and unloading speed of emergency rescue devices when loading and unloading large equipment, enabling rapid loading and unloading and stabilization, and adapting to complex environments.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LONGYAN CHANGFENG SPECIAL VEHICLE CO LTD
- Filing Date
- 2025-05-21
- Publication Date
- 2026-04-21
AI Technical Summary
Existing emergency rescue devices suffer from slow loading and unloading speeds and difficulties in rapid deployment due to vehicle space limitations and height constraints when loading and unloading large rescue equipment.
The device employs a hydraulically driven swing arm linkage mechanism and an automatic locking mechanism. The hydraulic cylinder drives the connecting plate to move, enabling rapid loading and unloading. After the rescue operation is completed, the mechanism automatically locks itself to ensure the stability of the device.
It enables rapid loading and unloading of large rescue equipment, shortens material loading and unloading time, adapts to complex environments, and ensures the stability of the device structure when idle, avoiding wear and loosening of components.
Smart Images

Figure CN224145832U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of emergency rescue technology, and in particular to a rapid loading and unloading device for emergency rescue. Background Technology
[0002] At the scene of natural disasters such as earthquakes and floods, large-scale rescue equipment and supplies can be loaded, unloaded and transferred quickly, avoiding time-consuming risks. In urban fire rescue, fire truck equipment can be quickly disassembled and deployed in conjunction with ladder trucks. When field exploration or scientific research teams encounter emergencies, vehicle-mounted emergency equipment can be quickly disassembled to set up temporary rescue bases, buying time for the transfer of the injured and the storage of supplies.
[0003] Existing emergency rescue loading and unloading technologies mainly include three types: robotic arm type, hydraulic lifting type, and modular combination type. The robotic arm type device mostly uses a multi-joint robotic arm in conjunction with sensor positioning. The hydraulic lifting technology drives the lifting platform through a hydraulic cylinder and has a strong load capacity. The modular combination technology disassembles the loading and unloading process into units that can be quickly assembled.
[0004] However, in actual use, due to the limitations of the vehicle's upper structure space and the high ground clearance of the vehicle's chassis, many heavy or large rescue equipment are slow to load and unload during emergency rescue, making it difficult to quickly deploy emergency rescue. In response to the above problems, a rapid loading and unloading device for emergency rescue is proposed. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides a rapid loading and unloading device for emergency rescue, which aims to improve the problem that some emergency rescue devices in the prior art cannot achieve rapid loading and unloading.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] An emergency rescue quick loading and unloading device includes a base plate, a plurality of bases fixedly connected to the outside of the base plate, a connecting plate rotatably connected to the outside of the bases, a connecting block fixedly connected to the outside of the connecting plate, a rescue bracket fixedly connected to the outside of the connecting block, a swing arm linkage mechanism rotatably connected to the outside of the bases, and an automatic locking mechanism fixedly connected to the inside of the base plate.
[0008] The swing arm linkage mechanism includes a connecting plate, which is rotatably connected to the outside of the base. A support rod is fixedly connected to the outside of the connecting plate. A horizontal adjustment rod is fixedly connected to the outside of the support rod. A connecting block is fixedly connected to the outside of the horizontal adjustment rod. Multiple follower plates are fixedly connected to the outside of the support rod. A fixing block is fixedly connected to the outside of the follower plates. A drive assembly is fixedly connected to the outside of the connecting plate.
[0009] As a further description of the above technical solution:
[0010] The drive assembly includes a first pin, which is fixedly connected to the outside of the connecting plate. A hydraulic cylinder is fixedly connected to the outside of the first pin, and a second pin is fixedly connected to the drive end of the hydraulic cylinder.
[0011] As a further description of the above technical solution:
[0012] The automatic locking mechanism includes a slotted hole, the outside of which is formed inside the rescue bracket, and a support block is fixedly connected to the outside of the slotted hole;
[0013] As a further description of the above technical solution:
[0014] A telescopic rod is fixedly connected to the outside of the support block 1. A limit hole is opened inside the telescopic rod 1. The outside of the telescopic rod 1 is slidably connected to the inside of the rescue bracket.
[0015] As a further description of the above technical solution:
[0016] The base plate is internally fixedly connected to multiple support blocks 2, and the support blocks 2 are externally fixedly connected to telescopic rods 2;
[0017] As a further description of the above technical solution:
[0018] A return spring is sleeved on the outside of the telescopic rod 2, and a limit ring is fixedly connected to the outside of the return spring. The outside of the telescopic rod 2 is slidably connected to the inside of the base plate.
[0019] As a further description of the above technical solution:
[0020] One end of the reset spring is fixedly connected to the outside of the limiting ring, and the other end of the reset spring is fixedly connected to the outside of the support block 2.
[0021] As a further description of the above technical solution:
[0022] The horizontal adjusting rod is externally fixedly connected to the outside of the connecting block, and the connecting block is externally fixedly connected to the outside of the rescue bracket.
[0023] This utility model has the following beneficial effects:
[0024] 1. In this utility model, the connecting plate is driven by a hydraulic cylinder to move, which in turn drives the support rod to move, which in turn drives the connecting block to move, and then drives the rescue support to move, thereby achieving rapid loading and unloading, greatly shortening the loading and unloading time of materials, gaining golden time for rescue, and efficiently transporting various rescue materials, adapting to complex rescue environments.
[0025] 2. In this utility model, the rescue bracket drives the telescopic rod one to move, which in turn drives the support block two to move the telescopic rod two, which in turn drives the return spring to move the limit ring. This allows for quick and automatic locking after the rescue is completed, ensuring that the device is structurally stable during transportation or when idle, preventing wear or accidental loosening of parts due to shaking, and effectively improving the safety of the device during storage. Attached Figure Description
[0026] Figure 1 This is a three-dimensional schematic diagram of a rapid loading and unloading device for emergency rescue proposed in this utility model;
[0027] Figure 2 This is a schematic diagram of the structure of a hydraulic cylinder for a rapid loading and unloading device for emergency rescue proposed in this utility model;
[0028] Figure 3 This is a schematic diagram of the structure of a rescue support for a rapid loading and unloading device for emergency rescue proposed in this utility model;
[0029] Figure 4 This is a schematic diagram of the base of a rapid loading and unloading device for emergency rescue proposed in this utility model;
[0030] Figure 5 for Figure 4 Enlarged view of point A in the middle.
[0031] Legend:
[0032] 1. Base plate; 2. Base; 3. Connecting plate; 4. Connecting block; 5. Rescue bracket; 6. Connecting plate; 7. Support rod; 8. Horizontal adjustment rod; 9. Connecting block; 10. Follower plate; 11. Fixing block; 12. Pin one; 13. Hydraulic cylinder; 14. Pin two; 15. Slotted hole; 16. Support block one; 17. Telescopic rod one; 18. Limiting hole; 19. Support block two; 20. Telescopic rod two; 21. Return spring; 22. Limiting ring. Detailed Implementation
[0033] 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.
[0034] Reference Figures 1 to 3 An embodiment of this utility model provides: a quick loading and unloading device for emergency rescue, including a base plate 1, with multiple bases 2 fixedly connected to the outside of the base plate 1. The bases 2 ensure that the connecting plate 3 can rotate smoothly, providing a basis for multi-angle adjustment of the rescue support 5. The connecting plate 3 is rotatably connected to the outside of the base 2. The connecting plate 3 has a thick wall structure and its outside is engaged with the mounting hole on the top of the base 2 through a pin shaft to achieve a stable hinge connection. The connecting plate 3 is fixedly connected to the outside of the connecting block 4. The connecting block 4 is provided with a pin shaft hole on its outside, which can be adapted to connecting pin shafts of different specifications and quickly connected to the rescue support 5 to ensure stable support of rescue materials. The rescue support 5 is fixedly connected to the outside of the connecting block 4. The swing arm linkage mechanism is rotatably connected to the outside of the base 2. An automatic locking mechanism is fixedly connected to the inside of the base plate 1.
[0035] The swing arm linkage mechanism includes a connecting plate 6, which is hinged to the side of the base 2 via a bushed pin, enabling swinging. The connecting plate 6 is externally rotatably connected to the outside of the base 2. A support rod 7 is fixedly connected to the outside of the connecting plate 6. The support rod 7, as the main load-bearing component, adopts a telescopic nested structure, with inner and outer steel pipes connected by positioning pins and hydraulic pins. A horizontal adjusting rod 8 is fixedly connected to the outside of the support rod 7. The horizontal adjusting rod 8 employs a telescopic structure and is connected to external hoisting equipment via a pin for flexible contact. A connecting block 9 is fixedly connected to the outside of the horizontal adjusting rod 8. Multiple follower plates 10 are fixedly connected to the outside of the support rod 7. A rectangular thin plate is symmetrically welded to both sides of the support rod 7 and connected to the fixed block 11 by a pin to form a parallelogram linkage structure, ensuring that the fixed block 11 remains horizontal when it moves. The fixed block 11 is fixedly connected to the outside of the follower plate 10, and a drive assembly is fixedly connected to the outside of the connecting plate 3. The drive assembly includes a first pin 12, which is stepped. The large diameter end is fixed to the connecting plate 3 by a pin, and the small diameter end is equipped with a double row angular contact ball bearing to bear radial and axial loads. The first pin 12 is fixedly connected to the outside of the connecting plate 3. A hydraulic cylinder 13 is fixedly connected to the outside of the first pin 12, and a second pin 14 is fixedly connected to the drive end of the hydraulic cylinder 13.
[0036] Reference Figures 3 to 5The automatic locking mechanism includes a slotted hole 15, with a support block 16 vertically positioned in the center of the slotted hole 15 and threaded holes on both sides for bolting with the telescopic rod 17. The slotted hole 15 is opened on the outside of the rescue bracket 5. The support block 16 is fixedly connected to the outside of the slotted hole 15, and the telescopic rod 17 is fixedly connected to the outside of the support block 16. The telescopic rod 17 is a hollow tube with an outer diameter slightly smaller than the width of the slotted hole 15, allowing it to slide vertically up and down within the hole. Limiting holes 18 are evenly distributed on its tube wall in a stepped arrangement to accommodate the insertion of positioning pins. When the telescopic rod 17 is driven by an external force, it can slide up and down along the column of the rescue bracket 5. The position is locked by cooperating with the external positioning structure through the limiting holes 18. The telescopic rod 17 has limiting holes 18 inside, and the telescopic rod 17 is slidably connected to the inside of the rescue bracket 5.
[0037] Multiple support blocks 19 are fixedly connected internally to the base plate 1. Telescopic rods 20 are fixedly connected externally to the support blocks 19. The telescopic rods 20 are solid cylindrical rods with chrome plating. Their outer diameter is fitted with a guide hole pre-drilled on the base plate 1 to ensure smooth extension and retraction. A return spring 21 is sleeved on the outside of the telescopic rod 20. One end of the return spring 21 is fixedly connected to a limit ring 22, which is a circular metal sheet with an interference fit between its inner hole and the telescopic rod 20, allowing it to move synchronously with the rod. One end of the spring abuts against the lower surface of the limit ring 22, and the other end rests against the support block 19. An elastic support structure is formed on the protrusion. When the telescopic rod 20 is pressed down by an external force, the spring is compressed and stores energy. After the external force is released, the spring pushes the limiting ring 22 and the telescopic rod 20 to reset. The limiting ring 22 is fixedly connected to the outside of the reset spring 21. The telescopic rod 20 is slidably connected to the inside of the base plate 1. One end of the reset spring 21 is fixedly connected to the outside of the limiting ring 22. The other end of the reset spring 21 is fixedly connected to the outside of the support block 29. The horizontal adjusting rod 8 is fixedly connected to the outside of the connecting block 9. The connecting block 9 is fixedly connected to the outside of the rescue bracket 5.
[0038] Working principle: The hydraulic cylinder 13 drives the pin 14 to push the swing arm linkage mechanism to move, so that the connecting plate 6 swings around the base 2, which drives the support rod 7 to change the angle and position, so that the follower plate 10 and the fixed block 11 maintain a horizontal posture. The horizontal adjustment rod 8 can be extended and retracted, which in turn makes the connecting block 9 approach the rescue materials to be loaded and unloaded. When the rescue bracket 5 is adjusted to a suitable position through the connecting plate 3 and the connecting block 4, the hydraulic cylinder 13 retracts and pulls the swing arm linkage mechanism to move the rescue materials to the target position.
[0039] When the rescue support 5 completes the loading and unloading of materials, it descends to the predetermined position. Under its own weight, the telescopic rod 20 overcomes the resistance of the return spring 21 and slides down along the guide hole inside the base plate 1, accurately inserting into the slotted hole 15 inside the rescue support 5. As the telescopic rod 20 goes deeper, it gradually aligns with the limiting hole 18 on the telescopic rod 17 inside the slotted hole 15. The external positioning pin quickly inserts into the limiting hole 18, firmly locking the rescue support 5 to the base plate 1, thereby preventing the support from shaking or shifting.
[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A quick loading and unloading device for emergency rescue, comprising a base plate (1), characterized in that: The base plate (1) is fixedly connected to a plurality of bases (2), the bases (2) are rotatably connected to a connecting plate (3), the connecting plate (3) is fixedly connected to a connecting block (4), the connecting block (4) is fixedly connected to a rescue bracket (5), the base (2) is rotatably connected to a swing arm linkage mechanism, and the base plate (1) is fixedly connected to an automatic locking mechanism. The swing arm linkage mechanism includes a connecting plate (6), which is rotatably connected to the outside of the base (2). A support rod (7) is fixedly connected to the outside of the connecting plate (6). A horizontal adjustment rod (8) is fixedly connected to the outside of the support rod (7). A connecting block (9) is fixedly connected to the outside of the horizontal adjustment rod (8). Multiple follower plates (10) are fixedly connected to the outside of the support rod (7). A fixing block (11) is fixedly connected to the outside of the follower plate (10). A drive assembly is fixedly connected to the outside of the connecting plate (3).
2. The quick attachable and detachable device for emergency rescue according to claim 1, characterized in that: The drive assembly includes a first pin (12), which is fixedly connected to the outside of the connecting plate (3). A hydraulic cylinder (13) is fixedly connected to the outside of the first pin (12), and a second pin (14) is fixedly connected to the drive end of the hydraulic cylinder (13).
3. The quick attachable and detachable device for emergency rescue according to claim 2, characterized in that: The automatic locking mechanism includes a slotted hole (15), the outside of which is opened inside the rescue bracket (5), and a support block (16) is fixedly connected to the outside of the slotted hole (15).
4. The quick attachable and detachable device for emergency rescue according to claim 3, characterized in that: The support block (16) is fixedly connected to a telescopic rod (17), and the telescopic rod (17) has a limit hole (18) inside. The telescopic rod (17) is slidably connected to the inside of the rescue bracket (5).
5. A quick attachable and detachable device for emergency rescue according to claim 4, characterized in that: The base plate (1) is internally fixedly connected to a plurality of support blocks (19), and the support blocks (19) are externally fixedly connected to telescopic rods (20).
6. A quick attachable and detachable device for emergency rescue according to claim 5, characterized in that: The telescopic rod 2 (20) is fitted with a return spring (21) on its outside. The return spring (21) is fixedly connected to a limit ring (22). The telescopic rod 2 (20) is slidably connected to the inside of the base plate (1).
7. A quick attachable and detachable device for emergency rescue according to claim 6, characterized in that: One end of the reset spring (21) is fixedly connected to the outside of the limiting ring (22), and the other end of the reset spring (21) is fixedly connected to the outside of the support block (19).
8. The quick attachable and detachable device for emergency rescue according to claim 1, characterized in that: The external of the horizontal adjustment rod (8) is fixedly connected to the outside of the connecting block (9), and the external of the connecting block (9) is fixedly connected to the outside of the rescue bracket (5).