A safety protection device for lifting equipment

Abstract

This utility model discloses a safety protection device for lifting equipment, including a main control frame. A lifting platform is movably connected to the inner side of the main control frame, and a connecting plate is fixedly connected to the lower end of the lifting platform. A buffer control seat is positioned and installed at the lower end of the connecting plate. In this safety protection device for lifting equipment, the vertically moving block is sleeved on the outer wall of the guide stabilizer, ensuring more stable movement of the supporting connecting plate within the inner buffer movable groove, reducing swaying and offset. The first buffer elastic element provides additional buffering force, further absorbing impact energy and protecting equipment and personnel. It can also drive the supporting connecting plate to move within the inner buffer movable groove. The buffer damper and the second buffer elastic element at the lower end of the supporting connecting plate provide multi-level buffer protection, ensuring effective energy absorption under different impact forces, reducing damage to equipment and personnel, and enhancing the buffer protection effect.

Description

Technical Field

[0001] This utility model relates to the technical field of safety protection for lifting equipment, specifically a safety protection device for lifting equipment. Background Technology

[0002] Lifting equipment, also known as scissor lifts or lifting platforms, is a multi-functional mechanical device mainly used to vertically lift people or goods to a specific height. These devices are widely used in various industries and fields, including but not limited to factories, warehouses, construction sites, municipal engineering, power installation, high-altitude cleaning and maintenance, etc. The working principle of lifting equipment is usually based on a hydraulic system, which uses the pressure of hydraulic oil to drive pistons or hydraulic cylinders to achieve the lifting of the platform. In addition, there are also some electric or manual driven lifting equipment, which are suitable for different application scenarios.

[0003] Although traditional lifting equipment is equipped with some basic safety devices in its design, such as speed limiters and limit switches, its shock absorption and buffering effect is still limited in the face of sudden fall accidents. Moreover, when the bottom of the lifting platform is connected to the top of the main control frame, an impact force will also be generated, which will affect personnel and goods and bring certain adverse effects to the use of the equipment. Therefore, we propose a safety protection device for lifting equipment. Utility Model Content

[0004] Technical problem to be solved: In view of the shortcomings of the prior art, this utility model provides a safety protection device for lifting equipment, which has the advantages of improving the buffering effect and impact, and can effectively solve the problems in the background art.

[0005] Technical Solution: To achieve the above objectives, the technical solution adopted by this utility model is as follows: A safety protection device for lifting equipment includes a main control frame, a lifting platform is movably connected to the inner side of the main control frame, a connecting fixing plate is fixedly connected to the lower end of the lifting platform, a buffer control seat is positioned and installed at the lower end of the connecting fixing plate, an inner buffer movable groove is opened on the inner wall of the buffer control seat, guide grooves are opened on both sides of the inner wall of the inner buffer movable groove, and guide stabilizing rods and first buffer elastic members are positioned and installed on the inner walls of the guide grooves, with the guide stabilizing rods located inside the first buffer elastic members.

[0006] Preferably, the lifting platform moves inside the main control frame via a motor, the upper end of the connecting fixing plate is fixedly connected to the lower end of the lifting platform, the lower end of the connecting fixing plate is fixedly connected to the upper end of the buffer control seat, and both ends of the guide stabilizing rod are fixedly connected to the inner wall of the guide groove.

[0007] Preferably, the inner wall of the inner buffer movable groove is movably connected to a support connecting plate, and both ends of the support connecting plate are fixedly connected to vertical moving blocks.

[0008] Preferably, the lower end of the support connecting plate is uniformly positioned with a buffer damper and a second buffer elastic member, and the buffer damper is located inside the second buffer elastic member.

[0009] Preferably, a buffer contact plate is fixedly connected to the lower end of the buffer damper and the second buffer elastic member, and a rubber flexible pad is fixedly connected to the lower end of the buffer contact plate. A buffer recess is formed on the inner wall of the main control frame, and a rubber buffer pad is fixedly connected to the inner wall of the buffer recess.

[0010] Preferably, one side of each of the upper and lower moving blocks is fixedly connected to both sides of the supporting connecting plate, and the upper and lower moving blocks are sleeved on the outer wall of the guide stabilizing rod through through holes opened in their inner walls. The lower end of the first buffer elastic member is fixedly connected to the lower end of the inner wall of the guide groove, and the upper end of the first buffer elastic member is fixedly connected to the lower end of the upper and lower moving blocks.

[0011] Preferably, the upper ends of the buffer damper and the second buffer elastic member are both fixedly connected to the lower end of the support connecting plate, and the lower ends of the buffer damper and the second buffer elastic member are both fixedly connected to the upper end of the buffer contact plate.

[0012] Preferably, one side of the rubber flexible pad is bonded and positioned to the lower end of the buffer contact plate by strong adhesive, and the lower end of the rubber buffer pad is bonded and positioned to the lower end of the inner wall of the buffer recess by strong adhesive.

[0013] Beneficial Effects: Compared with the prior art, this utility model provides a safety protection device for lifting equipment, which has the following beneficial effects: In this safety protection device for lifting equipment, the vertical moving block is sleeved on the outer wall of the guide stabilizer, so that the support connecting plate is positioned inside the inner buffer movable groove. The vertical moving block sleeved on the outer wall of the guide stabilizer ensures that the movement of the support connecting plate in the inner buffer movable groove is more stable, reducing swaying and deviation, and improving the reliability of the entire device. Through the first buffer elastic element at the lower end of the vertical moving block, an additional buffering force can be provided to further absorb impact energy, protect the equipment and personnel safety, and drive the support connecting plate to move inside the inner buffer movable groove. The buffer damper and the second buffer elastic element at the lower end of the support connecting plate can provide multi-level buffer protection. The system ensures effective energy absorption under varying impact forces, reducing damage to equipment and personnel, and enhancing buffering protection. The buffer contact plate contacts the inner wall of the buffer recess, while the flexible rubber pad and buffer pad reduce the transmission of buffering forces within a certain range, further protecting equipment and personnel, increasing equipment stability, and ensuring safe operation. Through multi-stage buffering and guiding stability design, the safety of the lifting equipment is significantly improved, reducing the risk of equipment damage and personnel injury caused by impact forces. When the lifting platform descends to the top of the main control frame, the improved buffering effect reduces impact forces, thereby reducing wear and damage to equipment components, extending equipment lifespan, and reducing maintenance and replacement costs. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of a safety protection device for lifting equipment according to the present invention.

[0015] Figure 2 This is a schematic diagram of the main control frame, buffer recess, and rubber buffer pad in a safety protection device for lifting equipment according to this utility model.

[0016] Figure 3 This is a schematic diagram of a safety protection device for lifting equipment, comprising a connecting fixing plate, a buffer control seat, a buffer contact plate, and a rubber flexible pad.

[0017] Figure 4 This is a schematic plan view of the internal structure of the buffer control seat in a safety protection device for lifting equipment according to this utility model.

[0018] In the diagram: 1. Main control frame; 2. Lifting platform; 3. Connecting and fixing plate; 4. Buffer control seat; 5. Inner buffer movable groove; 6. Guide groove; 7. Guide stabilizer bar; 8. First buffer elastic component; 9. Up and down moving block; 10. Support connecting plate; 11. Buffer damper; 12. Second buffer elastic component; 13. Buffer contact plate; 14. Rubber flexible pad; 15. Buffer recessed groove; 16. Rubber buffer pad. Detailed Implementation

[0019] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0020] like Figure 1-4 As shown, a safety protection device for lifting equipment includes a main control frame 1. A lifting platform 2 is movably connected to the inner side of the main control frame 1. A connecting fixing plate 3 is fixedly connected to the lower end of the lifting platform 2. A buffer control seat 4 is positioned and installed at the lower end of the connecting fixing plate 3. An inner buffer movable groove 5 is opened on the inner wall of the buffer movable groove 4. Guide grooves 6 are opened on both sides of the inner wall of the inner buffer movable groove 5. Guide stabilizing rods 7 and first buffer elastic members 8 are positioned and installed on the inner wall of the guide grooves 6. The guide stabilizing rods 7 are located inside the first buffer elastic members 8.

[0021] Furthermore, the lifting platform 2 moves inside the main control frame 1 via a motor. The upper end of the connecting fixing plate 3 is fixedly connected to the lower end of the lifting platform 2, and the lower end of the connecting fixing plate 3 is fixedly connected to the upper end of the buffer control seat 4. Both ends of the guide stabilizer 7 are fixedly connected to the inner wall of the guide groove 6 to enhance stability.

[0022] Furthermore, a support connecting plate 10 is movably connected to the inner wall of the inner buffer movable groove 5. Both ends of the support connecting plate 10 are fixedly connected to vertical moving blocks 9. The vertical moving blocks 9 are sleeved on the outer wall of the guide stabilizing rod 7 through the through hole in their inner wall, so that the support connecting plate 10 is positioned inside the inner side of the inner buffer movable groove 5.

[0023] Furthermore, a buffer damper 11 and a second buffer elastic member 12 are evenly positioned at the lower end of the support connecting plate 10, and the buffer damper 11 is located inside the second buffer elastic member 12, which can provide elasticity.

[0024] Furthermore, a buffer contact plate 13 is fixedly connected to the lower end of the buffer damper 11 and the second buffer elastic member 12, and a rubber flexible pad 14 is fixedly connected to the lower end of the buffer contact plate 13. A buffer recess 15 is opened on the inner wall of the main control frame 1, and a rubber buffer pad 16 is fixedly connected to the inner wall of the buffer recess 15 to enhance the buffering force.

[0025] Furthermore, one side of the upper and lower moving blocks 9 is fixedly connected to both sides of the support connecting plate 10. The upper and lower moving blocks 9 are sleeved on the outer wall of the guide stabilizing rod 7 through the through hole opened in its inner wall. The lower end of the first buffer elastic member 8 is fixedly connected to the lower end of the inner wall of the guide groove 6, and the upper end of the first buffer elastic member 8 is fixedly connected to the lower end of the upper and lower moving blocks 9 to enhance the firmness.

[0026] Furthermore, the upper ends of the buffer damper 11 and the second buffer elastic member 12 are both fixedly connected to the lower end of the support connecting plate 10, and the lower ends of the buffer damper 11 and the second buffer elastic member 12 are both fixedly connected to the upper end of the buffer contact plate 13 to enhance stability.

[0027] Furthermore, one side of the rubber flexible pad 14 is bonded and positioned to the lower end of the buffer contact plate 13 with strong adhesive, and the lower end of the rubber buffer pad 16 is bonded and positioned to the lower end of the inner wall of the buffer recess 15 with strong adhesive, thereby enhancing the firmness.

[0028] Working Principle: A safety protection device for lifting equipment. During use, the lifting platform 2 moves up and down inside the main control frame 1 via a motor. The buffer control seat 4 is positioned at the lower end of the lifting platform 2 via a connecting fixing plate 3. When the lifting platform 2 moves up and down, it can drive the buffer control seat 4 to move together. The vertical moving block 9 is sleeved on the outer wall of the guide stabilizing rod 7, so that the supporting connecting plate 10 is positioned inside the inner buffer moving groove 5. The vertical moving block 9 sleeved on the outer wall of the guide stabilizing rod 7 can ensure that the movement of the supporting connecting plate 10 within the inner buffer moving groove 5 is more stable, reducing shaking and deviation, and improving the reliability of the entire device. Through the first buffer elastic element 8 at the lower end of the vertical moving block 9, additional buffering force can be provided to further absorb impact energy, protect the equipment and personnel safety, and can drive the supporting connecting plate 10 to move inside the inner buffer moving groove 5. The buffer at the lower end of the supporting connecting plate 10 The damper 11 and the second buffer elastic element 12 can provide multi-level buffer protection, ensuring that energy can be effectively absorbed under different impact forces, reducing damage to equipment and personnel, and enhancing the buffer protection effect. The buffer contact plate 13 contacts the inner wall of the buffer recess 15. The rubber flexible pad 14 and the rubber buffer pad 16 can reduce the transmission of buffer force within a certain range, further protecting equipment and personnel, increasing the stability of the equipment, and ensuring safe use. Through multi-level buffering and guiding stability design, the safety of the lifting equipment can be significantly improved, reducing the risk of equipment damage and personnel injury caused by impact force. When the lifting platform 2 descends to the upper end of the main control frame 1, the bottom contacts the main control frame 1. By improving the buffering effect, the impact force can be reduced. By reducing the impact force, the wear and damage of equipment components can also be reduced, the service life of the equipment can be extended, and maintenance and replacement costs can be reduced.

[0029] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A safety protection device for lifting equipment, comprising a main control frame (1), characterized in that: The main control frame (1) is movably connected to a lifting platform (2). The lower end of the lifting platform (2) is fixedly connected to a connecting fixing plate (3). The lower end of the connecting fixing plate (3) is positioned and installed with a buffer control seat (4). The inner wall of the buffer control seat (4) is provided with an inner buffer movable groove (5). Both sides of the inner wall of the inner buffer movable groove (5) are provided with guide grooves (6). The inner wall of the guide groove (6) is positioned and installed with a guide stabilizing rod (7) and a first buffer elastic member (8). The guide stabilizing rod (7) is located inside the first buffer elastic member (8).

2. The safety protection device for lifting equipment according to claim 1, characterized in that: The lifting platform (2) moves inside the main control frame (1) via a motor. The upper end of the connecting fixing plate (3) is fixedly connected to the lower end of the lifting platform (2), and the lower end of the connecting fixing plate (3) is fixedly connected to the upper end of the buffer control seat (4). Both ends of the guide stabilizer (7) are fixedly connected to the inner wall of the guide groove (6).

3. The safety protection device for lifting equipment according to claim 2, characterized in that: The inner wall of the inner buffer movable groove (5) is movably connected to a support connecting plate (10), and both ends of the support connecting plate (10) are fixedly connected to upper and lower moving blocks (9).

4. A safety protection device for lifting equipment according to claim 3, characterized in that: The lower end of the support connecting plate (10) is uniformly positioned with a buffer damper (11) and a second buffer elastic member (12), and the buffer damper (11) is located inside the second buffer elastic member (12).

5. A safety protection device for lifting equipment according to claim 4, characterized in that: The lower end of the buffer damper (11) and the second buffer elastic member (12) is fixedly connected to a buffer contact plate (13), the lower end of the buffer contact plate (13) is fixedly connected to a rubber flexible pad (14), the inner wall of the main control frame (1) is provided with a buffer recess (15), and the inner wall of the buffer recess (15) is fixedly connected to a rubber buffer pad (16).

6. A safety protection device for lifting equipment according to claim 5, characterized in that: One side of the vertical moving block (9) is fixedly connected to both sides of the support connecting plate (10). The vertical moving block (9) is sleeved on the outer wall of the guide stabilizing rod (7) through the through hole opened in its inner wall. The lower end of the first buffer elastic member (8) is fixedly connected to the lower end of the inner wall of the guide groove (6). The upper end of the first buffer elastic member (8) is fixedly connected to the lower end of the vertical moving block (9).

7. A safety protection device for lifting equipment according to claim 6, characterized in that: The upper ends of the buffer damper (11) and the second buffer elastic member (12) are fixedly connected to the lower end of the support connecting plate (10), and the lower ends of the buffer damper (11) and the second buffer elastic member (12) are fixedly connected to the upper end of the buffer contact plate (13).

8. A safety protection device for lifting equipment according to claim 7, characterized in that: One side of the rubber flexible pad (14) is attached to the lower end of the buffer contact plate (13) by strong adhesive, and the lower end of the rubber buffer pad (16) is attached to the lower end of the inner wall of the buffer recess (15) by strong adhesive.

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