Novel lifting platform buffering device

By configuring spring posts and springs at the bottom of the rail-type lifting platform and using the lever device to reduce the lifting base plate, the cargo damage problem caused by excessive impact force in the prior art is solved, and a stronger buffering effect and safety are achieved.

CN222351295UActive Publication Date: 2025-01-14JINAN ZUNHUI HYDRAULIC MACHINERY CO LTD
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Patent Information

Application Number
CN202421247191.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-03
Publication Date
2025-01-14
Estimated Expiration
2034-06-03

AI Technical Summary

Technical Problem

When the loading items are too heavy or fragile, the existing rail-type lifting platform is easily damaged due to excessive impact force when lowered to the bottom, and lacks buffering device.

Method used

A spring post and a spring are arranged at the bottom of the lifting platform. The hydraulic device is raised to a certain height by setting a lever device to provide lift, reduce the lifting of the bottom plate, and form a buffer system to absorb impact force.

Benefits of technology

Effectively reduce the risk of cargo damage, provide stronger buffering effect, and ensure the stability and safety of the platform in the process of reducing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a novel lifting platform buffering device, and mainly relates to the field of lifting platform auxiliary equipment. A novel lifting platform buffering device comprises a bottom plate. The lifting platform has the advantages that the spring columns and the springs are integrated on the upper portion of the bottom plate, an efficient buffering system is formed, landing impact force is effectively absorbed, the lifting platform and loads of the lifting platform are protected against damage, a hydraulic device and a lever mechanism are combined, when the lifting plate descends and touches the bottom, upward assisting force is provided through dynamic adjustment of the hydraulic cylinder, and the lifting platform is protected against damage. A more gentle speed reduction process is achieved, the buffering performance is enhanced, the guide rail, the sliding plate, the guardrail and the lifting plate are designed, the structure is firm, the stability and safety of personnel and goods in the lifting process are guaranteed, a rotating shaft, a supporting rod, a connecting rod, a pulley and a chain system are arranged, and it is guaranteed that the whole lifting action is smooth and controllable; meanwhile, the durability of the system is enhanced.
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Description

Technical Field

[0001] The utility model mainly relates to the field of lifting platform auxiliary equipment, in particular to a novel lifting platform buffer device. Background Art

[0002] The rail-type lifting work platform is a non-scissor-type hydraulic lifting mechanical equipment, which is used for transporting goods between the second and third floors of industrial factories, restaurants, and hotels. It is especially suitable for workplaces where pits cannot be excavated, and does not require upper hanging points. It has various forms and stable equipment operation. The guide rails of the rail-type lifting work platform are generally made of channel steel, I-beam, and square tube welding. The operation is simple and reliable, and the cargo transportation is economical and convenient. In the prior art, the device uses a hydraulic device to control the lifting and lowering. There is no buffer device at the bottom of the device during the descent. When the lifting platform is loaded with heavy or fragile items, the platform is easily damaged due to excessive impact force when it is lowered to the bottom. Therefore, a buffer device needs to be provided at the bottom of the lifting platform. Utility Model Content

[0003] In order to address the deficiencies in the prior art, the utility model provides a novel lifting platform buffer device, the main effect of which is to configure a spring column and a spring at the bottom of the lifting platform to provide a buffer effect, and the fixed column ensures the stable positioning of the spring, together forming a buffer system that can absorb impact force, and by arranging a lever device so that when the lifting device descends to the bottom, the lifting base plate presses the lever to raise the hydraulic device to a certain height to give the lifting base plate a lift to move upward, so that the lifting base plate is further decelerated during the lowering process, so as to provide more buffering effects and reduce the risk of damage to the goods.

[0004] In order to achieve the above purpose, the utility model is implemented through the following technical solutions:

[0005] A new type of lifting platform buffer device includes a base plate, a sloped platform is fixedly provided on the front part of the base plate, guide rails are fixedly provided on one end of the base plate away from the sloped platform and on the upper parts of both sides of the sloped platform, a guide rail column is clamped inside the guide rail, a sliding plate is provided on the inner side of the guide rail and is slidably connected to the guide rail, the sliding plate is fixedly connected to the guide rail column, a guardrail is provided in the middle part of the sliding plate provided on the front and rear sides and is fixedly connected to the two, and a lifting plate is fixedly provided at the bottom of the guardrails on both sides.

[0006] Furthermore, two rotating shaft seats are fixedly provided on both sides of the upper part of the base plate, and support rods are sleeved on the rotating shaft seats. A connecting rod is fixedly connected to the middle parts of the outer sides of the two support rods on the same side, and a rotating shaft rod is fixedly connected to the middle parts of the inner sides of the two support rods on the same side. A rotating shaft is sleeved on the rotating shaft rod and is rotatably connected to it. A spring column is provided at the inner bottom of the support rod, and a spring is fixedly sleeved on the spring column. A fixing column is provided on the upper part of the base plate and is disposed in the spring and fixedly connected to it.

[0007] Furthermore, a hydraulic cylinder seat 1 is fixedly provided on the upper part of the connecting rod, a hydraulic cylinder is sleeved on the hydraulic cylinder seat 1 and rotatably connected to it, a hydraulic cylinder support shaft is provided on the upper part of the hydraulic cylinder output end, a hydraulic cylinder seat 2 is sleeved on the hydraulic cylinder support shaft and rotatably connected to it, a pulley support rod is fixedly provided on the upper part of the hydraulic cylinder seat 2, sliding plates 2 are fixedly provided on both sides of the pulley support rod, the sliding plates 2 are slidably connected to the guide rail, a guide rail column 2 is fixedly provided on the outside of the sliding plate 2, and the guide rail column 2 is provided inside the guide rail and slidably connected to it.

[0008] Furthermore, chain connecting rods are fixedly provided on the outer sides of the guide rails on the left and right sides, pulley seats are fixedly provided on both sides of the upper part of the pulley support rod, pulleys are provided on the pulley seats and are rotatably connected thereto, chains are provided on both sides of the upper part of the chain connecting rod, and the ends of the chains are fixedly connected to the upper part of the guardrail through the pulleys.

[0009] Furthermore, a plurality of fixing blocks are provided on the outer side of the guide rail, and a connecting strip is fixedly provided on the top of the guide rail to connect the guide rails to each other.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. Spring columns and springs are arranged at the bottom of the lifting platform to provide a buffering effect, and the fixed columns ensure the stable positioning of the springs, together forming a buffering system that can absorb the impact force when the buffer platform is lowered to the bottom.

[0012] 2. When the lifting device is lowered to the bottom by setting a lever device, the hydraulic device is raised to a certain height by pressing the lever of the lifting bottom plate to give the lifting bottom plate a lifting force to move upward, so that the lifting bottom plate is further decelerated during the lowering process to provide more buffering effect and reduce the risk of cargo damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of the utility model.

[0015] Numbers shown in the accompanying drawings: 1, base plate; 2, inclined table; 3, guide rail; 4, guide rail column one; 5, sliding plate one; 6, guardrail; 7, lifting plate; 8, pivot seat; 9, support rod; 10, connecting rod; 11, pivot rod; 12, pivot; 13, spring column; 14, spring; 15, fixed column; 16, hydraulic cylinder seat one; 17, hydraulic cylinder; 18, hydraulic cylinder support shaft; 19, hydraulic cylinder seat two; 20, pulley support rod; 21, sliding plate two; 22, guide rail column two; 23, chain connecting rod; 24, pulley seat; 25, pulley; 26, chain; 27, fixed block; 28, connecting strip. DETAILED DESCRIPTION

[0016] The utility model is further described in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the utility model and are not used to limit the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by this application.

[0017] Embodiment: A novel lifting platform buffer device

[0018] like Figure 1-2 As shown, a novel lifting platform buffer device, the specific structure of which includes:

[0019] A novel lifting platform buffer device comprises a base plate 1, a sloped platform 2 is fixedly provided at the front of the base plate 1, which is convenient for objects or people to get on and off, and helps to improve the versatility and usability of the platform; a guide rail 3 is fixedly provided at one end of the base plate 1 away from the sloped platform 2 and at the upper parts of both sides of the sloped platform 2; a guide rail column 4 is clamped inside the guide rail 3, a sliding plate 5 is provided inside the guide rail 3 and is slidably connected to the sliding plate 5, the sliding plate 5 is fixedly connected to the guide rail column 4, a guardrail 6 is provided in the middle of the sliding plate 5 provided on the front and rear sides and is fixedly connected to the two, a lifting plate 7 is fixedly provided at the bottom of the guardrail 6 on both sides, the lifting plate 7 can be driven by the guardrail 6 and the sliding plate 5 provided on both sides, and slides up and down in the guide rail 3, so as to realize the function of driving people or goods to be lifted and lowered.

[0020] Two rotating shaft seats 8 are fixedly provided on both sides of the upper part of the bottom plate 1, and the rotating shaft seats 8 are sleeved with support rods 9. A connecting rod 10 is fixedly connected to the middle of the outer sides of the two support rods 9 on the same side for supporting the hydraulic cylinder 17. A rotating shaft rod 11 is fixedly connected to the middle of the inner sides of the two support rods 9 on the same side. A rotating shaft 12 is sleeved on the rotating shaft rod 11 and is rotatably connected to the rotating shaft rod 11, so that the rotating shaft 12 is supported when it contacts the bottom of the lifting plate 7, and the rotating shaft 12 can be rotated so that it is always in contact with the bottom of the lifting plate 7. A spring column 13 is provided at the inner bottom of the rod 9, and a spring 14 is fixedly sleeved on the spring column 13. A fixing column 15 is provided on the upper part of the bottom plate 1 and is arranged in the spring 14 and fixedly connected thereto. The spring column 13 and the spring 14 are arranged at the inner bottom of the support rod 9 to provide a buffering effect, and the fixing column 15 ensures the stable positioning of the spring 14, together forming a buffering system that can absorb impact force. The support rod 9 is supported by the buffering of the spring 14, and further buffers the lifting plate 7 when it descends to the bottom.

[0021] A hydraulic cylinder seat 16 is fixedly provided on the upper part of the connecting rod 10, and a hydraulic cylinder 17 is sleeved on the hydraulic cylinder seat 16 and is rotatably connected thereto. A hydraulic cylinder support shaft 18 is provided on the upper part of the output end of the hydraulic cylinder 17, and a hydraulic cylinder seat 2 19 is sleeved on the hydraulic cylinder support shaft 18 and is rotatably connected thereto. A pulley support rod 20 is fixedly provided on the upper part of the hydraulic cylinder seat 2 19, and sliding plates 21 are fixedly provided on both sides of the pulley support rod 20. The sliding plates 21 are slidably connected to the guide rail 3, and a guide rail column 22 is fixedly provided on the outside of the sliding plate 21, and the guide rail column 22 is arranged inside the guide rail 3 and is slidably connected thereto. When the lifting plate 7 falls to the bottom, the inner end of the support rod 9 is lowered through the bottom of the lifting plate 7, and the outer side of the support rod 9 is raised by lever movement through the rotating shaft seat 8, further driving the hydraulic cylinder 17 to rise to a certain height to give the lifting plate 7 a lift to move upward, so that the lifting base plate 1 is further decelerated in the process of being lowered to the bottom, so as to provide more buffering effects and reduce the risk of cargo damage.

[0022] Chain connecting rods 23 are fixedly provided on the outer sides of the guide rails 3 on the left and right sides, pulley seats 24 are fixedly provided on both sides of the upper part of the pulley support rod 20, and pulleys 25 are provided on the pulley seats 24 to be rotatably connected thereto. Chains 26 are provided on both sides of the upper part of the chain connecting rod 23, and the ends of the chains 26 are fixedly connected to the upper part of the guardrail 6 through the pulleys 25. The pulley support rod 20 is driven to move upward by the extension of the hydraulic cylinder 17, and the chain 26 is further driven to move upward by the pulley 25 provided on the pulley support rod 20 to drive the guardrail 6 and the connecting device thereon to perform lifting movements.

[0023] A plurality of fixing blocks 27 are disposed on the outside of the guide rail 3 , and a connecting strip 28 is fixedly disposed on the top of the guide rail 3 to connect the guide rails 3 to each other. The fixing blocks 27 and the connecting strip 28 are used to fix the guide rail 3 .

[0024] Working principle:

[0025] By extending or shortening the hydraulic cylinder 17, the pulley support rod 20 provided on the telescopic end thereof is driven to be lifted and lowered. Furthermore, the pulley 25 provided on the pulley support rod 20 drives the chain provided on the chain connecting rod 23 to move, thereby driving the guardrail 6 and the sliding plate 5 and the lifting plate 7 connected thereto to be lifted and lowered, so that the lifting plate 7 can drive people or goods to be lifted and lowered. Furthermore, by providing the rotatable support rod 9 on the bottom plate 1, and providing a spring 14 and a fixing column 15 for fixing the spring 14 at the bottom of one end of the support rod 9, and providing the rotatable rotating rod 9 in the middle of the two support rods 9. The shaft 12 is supported by the rotating shaft 12 when the lifting plate 7 descends, and is buffered by the spring 14. Furthermore, the hydraulic cylinder 17 is arranged on the other side of the support rod 9. The lifting plate 7 is contracted and descended by the hydraulic cylinder 17. When the inner side of the support rod 9 is further pressed down and descended, the rotating shaft seat 8 is used as a lever to raise the outer side of the support rod 9 and drive the hydraulic cylinder 17 to rise, giving the lifting plate 7 an upward force, so that the lifting plate 7 slows down when it descends to the bottom, thereby improving the buffering effect of the device and reducing the vibration during the lowering process, thereby playing a role in improving the protection of the personnel or goods carried on the lifting plate 7.

[0026] In the interpretation of the present invention, it should be noted that the terminology indicating the orientation is only for the convenience of description and understanding, and is not the only limitation on the installation position of the specific technical features, and does not exclude other possible installation methods.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A novel lifting platform buffer device, comprising a bottom plate (1), characterized in that: A sloped platform (2) is fixedly provided at the front of the base plate (1); a guide rail (3) is fixedly provided at one end of the base plate (1) away from the sloped platform (2) and at the upper parts of both sides of the sloped platform (2); a guide rail column (4) is clamped inside the guide rail (3); a sliding plate (5) is provided inside the guide rail (3) and is slidably connected to the guide rail; the sliding plate (5) is fixedly connected to the guide rail column (4); a guardrail (6) is provided in the middle of the sliding plate (5) provided at the front and rear sides and is fixedly connected to the two; and a lifting plate (7) is fixedly provided at the bottom of the guardrail (6) on both sides.

2. A novel lifting platform buffer device according to claim 1, characterized in that: Two rotating shaft seats (8) are fixedly provided on both sides of the upper part of the bottom plate (1), and a support rod (9) is sleeved on the rotating shaft seat (8). A connecting rod (10) is fixedly connected to the middle part of the outer side of the two supporting rods (9) on the same side, and a rotating shaft rod (11) is fixedly connected to the middle part of the inner side of the two supporting rods (9) on the same side. A rotating shaft (12) is sleeved on the rotating shaft rod (11) and is rotatably connected thereto. A spring column (13) is provided at the inner bottom of the supporting rod (9), and a spring (14) is fixedly sleeved on the spring column (13). A fixing column (15) is provided on the upper part of the bottom plate (1) and is arranged in the spring (14) and is fixedly connected thereto.

3. A novel lifting platform buffer device according to claim 2, characterized in that: A hydraulic cylinder seat 1 (16) is fixedly provided on the upper part of the connecting rod (10), a hydraulic cylinder (17) is sleeved on the hydraulic cylinder seat 1 (16) and is rotatably connected thereto, a hydraulic cylinder support shaft (18) is provided on the upper part of the output end of the hydraulic cylinder (17), a hydraulic cylinder seat 2 (19) is sleeved on the hydraulic cylinder support shaft (18) and is rotatably connected thereto, a pulley support rod (20) is fixedly provided on the upper part of the hydraulic cylinder seat 2 (19), sliding plates 2 (21) are fixedly provided on both sides of the pulley support rod (20), the sliding plates 2 (21) are slidably connected to the guide rail (3), and a guide rail column 2 (22) is fixedly provided on the outside of the sliding plate 2 (21), the guide rail column 2 (22) is arranged inside the guide rail (3) and is slidably connected thereto.

4. A novel lifting platform buffer device according to claim 3, characterized in that: Chain connecting rods (23) are fixedly provided on the outer sides of the guide rails (3) on the left and right sides, pulley seats (24) are fixedly provided on both sides of the upper part of the pulley support rod (20), pulleys (25) are provided on the pulley seats (24) and are rotatably connected thereto, chains (26) are provided on both sides of the upper part of the chain connecting rod (23), and the ends of the chains (26) are fixedly connected to the upper part of the guardrail (6) through the pulleys (25).

5. The novel lifting platform buffer device according to claim 1 is characterized in that: A plurality of fixing blocks (27) are provided on the outside of the guide rail (3), and a connecting strip (28) is fixedly provided on the top of the guide rail (3) so as to connect the guide rails (3) to each other.