Scissor forklift platform guardrail anti-shaking device

Abstract

The utility model discloses a shear forklift platform guardrail anti-shaking device which comprises a main platform, a main guardrail, an auxiliary platform and an auxiliary guardrail, a rubber wheel is arranged on the surface of the main guardrail, an air bag is arranged in the main guardrail, and the rubber wheel comprises a rotating disc, a connecting block, a hinge rod, a piston disc and a piston cylinder; sliding plates, rubber strips and reset springs are arranged on the surfaces of the airbags; the auxiliary guardrail is extruded and limited through the rubber wheels, shaking generated when the auxiliary guardrail is pulled out is consumed through the elastic deformation capacity of the rubber wheels, and the shockproof and shake-proof effect is achieved; the rotating disc rotates through friction transmission between the rubber wheel and the convex clamping block, so that the piston disc slides in the piston cylinder; the air in the piston cylinder is compressed and enters the air bag through the pipeline, the air bag is expanded to push the sliding plate to slide, the rubber strip slides in the through groove to elastically extrude the auxiliary guardrail, damping force is generated on the auxiliary guardrail, relative shaking of the main guardrail and the auxiliary guardrail is slowed down, and therefore the anti-shaking effect is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field related to scissor lift trucks, and in particular relates to a scissor lift truck platform guardrail anti-sway device. Background Art

[0002] Scissor lift trucks are widely used in aerial work. To ensure the safety of operators, they are usually equipped with guardrails. To facilitate operations, scissor lift trucks generally use main and auxiliary platforms to increase the platform area. The main platform is the main working area of ​​the scissor lift truck. It is relatively large and is designed to carry operators, tools, and materials. It usually has enough space to ensure that operators can work safely and comfortably. The auxiliary platform may be relatively small and is generally used to temporarily place tools and materials, or to provide additional standing space under special work requirements.

[0003] In actual use, when the auxiliary platform slides out from the main platform surface, the guardrail is prone to shake, which poses a safety hazard to the operator; therefore, the utility model proposes an anti-sway device for the guardrail of a scissor lift platform. Utility Model Content

[0004] The utility model aims to provide a scissor lift platform guardrail anti-sway device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a scissor lift platform guardrail anti-sway device, comprising a main platform, a main guardrail, a secondary platform and a secondary guardrail, the surface of the main guardrail is provided with a rubber wheel, the interior of the main guardrail is provided with an airbag, the rubber wheel comprises a turntable, a connecting block, a hinged rod, a piston disc and a piston cylinder; the surface of the airbag is provided with a slide plate, a rubber strip and a reset spring.

[0006] Preferably, a recessed slot and a through slot are fixedly provided on the main guardrail; and a raised block matching the recessed slot is fixedly provided on the secondary guardrail.

[0007] Preferably, the rubber wheel and the raised block are frictionally transmitted, the rubber wheel rotates on the surface of the main guardrail, the rubber wheel is fixedly connected to the turntable, the connecting block is eccentrically fixed to the surface of the turntable, one end of the hinged rod rotates on the surface of the connecting block, the other end of the hinged rod rotates on the surface of the piston disk, the piston disk slides on the inner surface of the piston cylinder, the piston cylinder is fixedly connected to the main guardrail, and the piston cylinder is connected to the airbag through a pipe; an air inlet is provided on the surface of the piston cylinder, and a one-way valve is provided on the air inlet and inside the pipe.

[0008] Preferably, the slide plate slides on the inner surface of the main guardrail, the rubber strip is fixed to the surface of the slide plate, the rubber strip slides on the surface of the through groove, and the slide plate is fixedly connected to the return spring.

[0009] Preferably, the main guardrail is fixed to the upper surface of the main platform, the secondary guardrail is fixed to the upper surface of the secondary platform, the secondary platform slides on the upper surface of the main platform, and the secondary guardrail slides on the surface of the recessed slot through a raised block.

[0010] Preferably, a gap is provided between the recessed card slot and the raised card block, and lubricating oil can be applied to the gap.

[0011] The beneficial effects of the utility model are:

[0012] The utility model uses the rubber wheel to squeeze and limit the auxiliary guardrail, and uses the elastic deformation ability of the rubber wheel to consume the shaking generated when the auxiliary guardrail is pulled out, thereby playing the role of shock and shaking prevention.

[0013] The utility model rotates the turntable through the friction transmission between the rubber wheel and the raised block, thereby causing the piston plate to slide in the piston cylinder; the gas in the piston cylinder is compressed and enters the airbag through the pipeline, causing the airbag to expand, and the airbag pushes the slide plate to slide when it expands, and the rubber strip slides in the through groove to elastically squeeze the secondary guardrail, thereby generating a damping force on the secondary guardrail, slowing down the relative shaking of the main guardrail and the secondary guardrail, thereby achieving an anti-sway effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a scissor lift platform guardrail anti-sway device;

[0015] Figure 2 Schematic diagram of the position relationship between the main guardrail and the secondary guardrail;

[0016] Figure 3 for Figure 1 Schematic diagram of the partial enlarged view of point A in the middle;

[0017] Figure 4 for Figure 2 A schematic diagram of a partial enlarged view of point B in the middle;

[0018] In the figure: 1. main platform; 2. main guardrail; 21. recessed slot; 22. through slot; 3. auxiliary platform; 4. auxiliary guardrail; 41. raised block; 5. rubber wheel; 51. turntable; 52. connecting block; 53. hinged rod; 54. piston disc; 55. piston cylinder; 6. airbag; 61. slide plate; 62. rubber strip; 63. return spring. DETAILED DESCRIPTION

[0019] In actual use, when the auxiliary platform 3 slides out from the surface of the main platform 1, the guardrail is prone to shaking, which poses a safety hazard to the operator;

[0020] Therefore, if Figure 1 and Figure 2As shown, the utility model proposes a scissor lift platform guardrail anti-sway device, including a main platform 1, a main guardrail 2, an auxiliary platform 3 and an auxiliary guardrail 4; the main platform 1 and the auxiliary platform 3 provide a platform space for workers to stand and work; the main guardrail 2 and the auxiliary guardrail 4 play a role in protecting the workers and preventing them from accidentally falling.

[0021] like Figure 3 and Figure 4 As shown, a rubber wheel 5 is provided on the surface of the main guardrail 2, and the rubber wheel 5 includes a turntable 51, a connecting block 52, a hinged rod 53, a piston disc 54 and a piston cylinder 55; the rubber wheel 5 and the raised block 41 on the secondary guardrail 4 are frictionally driven. When the secondary platform 3 is pulled out from the surface of the main platform 1, the movement of the raised block 41 drives the rubber wheel 5 to rotate, thereby converting the mechanical energy generated by the pulling into subsequent power. At the same time, the rubber wheel 5 has a certain elastic deformation, which can always squeeze the secondary guardrail 4, thereby achieving a shock-absorbing and anti-swaying effect.

[0022] like Figure 4 As shown, an airbag 6 is provided inside the main guardrail 2, and a slide plate 61, a rubber strip 62 and a return spring 63 are provided on the surface of the airbag 6; the airbag 6 is used to store and release gas to generate a reverse buffering force to offset the shaking; the slide plate 61 can slide stably on the inner surface of the main guardrail 2 to ensure the stable transmission of the action of the airbag 6; the rubber strip 62 enhances the sealing and buffering effects; the return spring 63 helps the slide plate 61 to quickly reset and prepare for the next shaking.

[0023] Furthermore, a recessed card slot 21 and a through slot 22 are fixedly provided on the main guardrail 2; a raised card block 41 matching the recessed card slot 21 is fixedly provided on the secondary guardrail 4; the cooperation between the recessed card slot 21 and the raised card block 41 ensures that the sliding of the secondary guardrail 4 relative to the main guardrail 2 is within a certain track, thereby limiting the direction and amplitude of the shaking.

[0024] The rubber wheel 5 rotates on the surface of the main guardrail 2, the rubber wheel 5 is fixedly connected to the turntable 51, the connecting block 52 is eccentrically fixed to the surface of the turntable 51, one end of the hinged rod 53 rotates on the surface of the connecting block 52, the other end of the hinged rod 53 rotates on the surface of the piston disk 54, the piston disk 54 slides on the inner surface of the piston cylinder 55, the piston cylinder 55 is fixedly connected to the main guardrail 2, and the piston cylinder 55 is connected to the airbag 6 through a pipeline; an air inlet is provided on the surface of the piston cylinder 55, and a one-way valve is provided on the air inlet and inside the pipeline.

[0025] The rotation of the rubber wheel 5 drives the piston disc 54 to move in the piston cylinder 55 through a series of connection structures, pressing the gas into the airbag 6. The one-way valve ensures the one-way flow of the gas, so that the airbag 6 can be inflated quickly to generate a reverse damping force, effectively reducing the shaking.

[0026] Micro holes are arranged on the surface of the airbag 6, and the gas inside the airbag 6 can be released through the micro holes, wherein the flow rate of the gas pressed into the airbag 6 is much greater than the amount released by the micro holes.

[0027] The slide plate 61 slides on the inner surface of the main guardrail 2, the rubber strip 62 is fixed on the surface of the slide plate 61, the rubber strip 62 slides on the surface of the through groove 22, and the slide plate 61 is fixedly connected to the return spring 63; the sliding cooperation between the slide plate 61 and the rubber strip 62, and the elastic effect of the return spring 63 jointly enhance the buffering and return ability of the anti-sway device.

[0028] The main guardrail 2 is fixed to the upper surface of the main platform 1, the secondary guardrail 4 is fixed to the upper surface of the secondary platform 3, the secondary platform 3 slides on the upper surface of the main platform 1, and the secondary guardrail 4 slides on the surface of the recessed slot 21 through the protruding block 41; this structural design enables the main platform 1 and the secondary platform 3 to slide relative to each other, and at the same time, the stability and safety of the sliding are guaranteed through the connection and restriction of the guardrail.

[0029] A gap is provided between the recessed card slot 21 and the raised card block 41 , and lubricating oil can be applied to the gap to reduce the friction between the raised card block 41 and the recessed card slot 21 , making the sliding smoother and extending the service life of the parts.

[0030] The working principle and use process of the utility model are as follows: when the auxiliary platform 3 is pulled out from the surface of the main platform 1 during the operation of the scissor lift platform, the protruding block 41 on the auxiliary guardrail 4 moves relative to the recessed groove 21 on the main guardrail 2; at this time, the friction transmission between the rubber wheel 5 and the protruding block 41 causes the turntable 51 of the rubber wheel 5 to rotate, driving the connecting block 52 and the hinged rod 53 to move, thereby causing the piston disc 54 to slide in the piston cylinder 55; the gas in the piston cylinder 55 is compressed and enters the airbag 6 through the pipeline, causing the airbag 6 to expand.

[0031] When the airbag 6 expands, it pushes the slide plate 61 to slide, and the rubber strip 62 slides in the through groove 22 to elastically squeeze the secondary guardrail 4, generating a damping force on the secondary guardrail 4, slowing down the relative shaking of the main guardrail 2 and the secondary guardrail 4, thereby achieving an anti-sway effect.

[0032] In summary, the scissor lift platform guardrail anti-sway device of the utility model effectively reduces the swaying of the platform guardrail through the coordinated action of various components, thereby improving the safety and stability of work.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A scissor lift platform guardrail anti-sway device, comprising a main platform (1), a main guardrail (2), an auxiliary platform (3) and an auxiliary guardrail (4), characterized in that: The surface of the main guardrail (2) is provided with a rubber wheel (5), the interior of the main guardrail (2) is provided with an air bag (6), the rubber wheel (5) comprises a rotating disk (51), a connecting block (52), a hinge rod (53), a piston disk (54) and a piston cylinder (55); the surface of the air bag (6) is provided with a slide plate (61), a rubber strip (62) and a return spring (63).

2. The scissor lift platform guardrail anti-sway device according to claim 1, characterized in that: The main guardrail (2) is fixedly provided with a recessed slot (21) and a through slot (22); the secondary guardrail (4) is fixedly provided with a raised block (41) matching the recessed slot (21).

3. The scissor lift platform guardrail anti-sway device according to claim 1, characterized in that: The rubber wheel (5) and the raised block (41) are frictionally driven, the rubber wheel (5) rotates on the surface of the main guardrail (2), the rubber wheel (5) is fixedly connected to the turntable (51), the connecting block (52) is eccentrically fixed to the surface of the turntable (51), one end of the hinged rod (53) rotates on the surface of the connecting block (52), the other end of the hinged rod (53) rotates on the surface of the piston disc (54), the piston disc (54) slides on the inner surface of the piston cylinder (55), the piston cylinder (55) is fixedly connected to the main guardrail (2), and the piston cylinder (55) is connected to the airbag (6) through a pipeline; an air inlet is provided on the surface of the piston cylinder (55), and a one-way valve is provided on the air inlet and inside the pipeline.

4. The scissor lift platform guardrail anti-sway device according to claim 1, characterized in that: The slide plate (61) slides on the inner surface of the main guardrail (2), the rubber strip (62) is fixed on the surface of the slide plate (61), the rubber strip (62) slides on the surface of the through groove (22), and the slide plate (61) is fixedly connected to the return spring (63).

5. The scissor lift platform guardrail anti-sway device according to claim 2, characterized in that: The main guardrail (2) is fixed to the upper surface of the main platform (1), the secondary guardrail (4) is fixed to the upper surface of the secondary platform (3), the secondary platform (3) slides on the upper surface of the main platform (1), and the secondary guardrail (4) slides on the surface of the recessed slot (21) via a protruding block (41).

6. The scissor lift platform guardrail anti-sway device according to claim 5, characterized in that: A gap is provided between the recessed card slot (21) and the raised card block (41), and lubricating oil can be applied to the gap.

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