Safety protection device of unmanned forklift

By designing connecting columns, fixing devices, protective devices, and limiting devices on unmanned forklifts, the problem of insufficient side protection of unmanned forklifts is solved, realizing the fixing, protection, and warning of both sides of the unmanned forklift, thus improving the safety of use.

CN223534829UActive Publication Date: 2025-11-11TIANJINGANG (JIANGSU) INTELLIGENT MFG CO LTD
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Patent Information

Application Number
CN202422955168.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-11-11
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

The existing safety protection devices for unmanned forklifts are relatively weak in terms of side protection. In particular, the counterweights of unmanned forklifts are located at the rear, while electrical components are usually located on the front sides, resulting in insufficient side protection and affecting the safety of use.

Method used

A safety protection structure was designed, including connecting columns, fixing devices, protective devices, buffer devices, and limiting devices. Through components such as fixing plates, anti-wear pads, buffer pads, and limiting plates, the sides of the unmanned forklift are fixed, protected, and buffered. Combined with the fixing of warning posters, safety is improved.

Benefits of technology

It effectively protects the safety of the unmanned forklift's sides during operation, prevents side damage, and raises the safety awareness of surrounding operators through warning signs, thereby improving the overall safety of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a safety protection device of an unmanned forklift, and relates to the technical field of unmanned forklifts. The safety protection device of the unmanned forklift comprises a connecting column, fixing devices for fixing the side edges of the unmanned forklift are arranged on the front side wall and the rear side wall of the connecting column, and anti-friction devices are arranged on the lower end faces of the connecting column and the fixing devices. A protection device for protecting the two sides of the unmanned forklift is arranged at the movable end of the fixing device, buffering devices for relieving impact force are arranged on the opposite side walls of the protection device, and limiting devices for fixing warning posters are arranged on the opposite side walls of the protection device. When the two sides of the unmanned forklift are subjected to impact force, the impact force can be relieved through the protection device and the buffering device, and therefore the safety of the two sides of the unmanned forklift during operation is protected.
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Description

Technical Field

[0001] This utility model relates to the field of unmanned forklift technology, specifically to a safety protection device for unmanned forklifts. Background Technology

[0002] A forklift is a vehicle that uses forks as its lifting device to lift goods to a certain height and transport them. In the field of smart warehousing, in order to achieve safe operation in narrow aisle spaces, unmanned forklifts are usually equipped with various safety sensors, and the information fed back from these sensors is used as the basis for driving decisions.

[0003] Existing patent number CN220033927U proposes a safety protection device for an unmanned forklift, including an obstacle avoidance camera, multiple obstacle avoidance radars, and multiple photoelectric sensors fixedly connected to the unmanned forklift; the obstacle avoidance camera is fixedly connected to the front of the unmanned forklift and is used to identify obstacles in front of the front of the unmanned forklift; the multiple obstacle avoidance radars are fixedly connected to the bottom edge of the unmanned forklift and are used to detect obstacles on the sides and rear of the unmanned forklift; the multiple photoelectric sensors are fixedly connected to the forks of the unmanned forklift and are used to detect obstacles in front of the forks.

[0004] The aforementioned safety protection device for unmanned forklifts has a weak side protection effect when in use. Since the counterweight of the unmanned forklift is usually located at its rear, while its electrical components are usually located on its front sides, the unmanned forklift needs to be protected on its sides during use to improve its safety.

[0005] Therefore, a safety protection device for unmanned forklifts is proposed. Utility Model Content

[0006] The purpose of this utility model is to solve the problem that the safety protection device for unmanned forklifts mentioned above has a weak side protection effect when in use. Since the counterweight of the unmanned forklift is usually located at its rear, while its electrical components are usually located at the front of its sides, the unmanned forklift needs to be protected on both sides during use to improve the safety of the unmanned forklift. This utility model provides a safety protection device for unmanned forklifts.

[0007] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0008] A safety protection device for an unmanned forklift includes a connecting column. The front and rear side walls of the connecting column are provided with fixing devices for fixing the sides of the unmanned forklift. The lower end faces of the connecting column and the fixing devices are provided with anti-friction devices. The movable end of the fixing device is provided with a protective device for protecting the sides of the unmanned forklift. The opposite side walls of the protective devices are provided with buffer devices to mitigate impact. The opposite side walls of the protective devices are provided with limiting devices for fixing warning posters.

[0009] Furthermore, the fixing device includes a fixing column, an adjusting slide, a motor, a threaded rod, and a fixing clamp. The fixing column is fixedly installed on the front and rear side walls of the connecting column, the adjusting slide is fixedly installed on the left and right side walls of the fixing column, the motor is fixedly installed on the opposite side wall of the adjusting slide, the threaded rod is fixedly installed on the rotating end of the motor, and the fixing clamp is slidably installed in the adjusting slide. The fixing clamp and the threaded rod are threadedly connected.

[0010] Furthermore, the anti-friction device includes an anti-wear pad one and an anti-wear pad two. The anti-wear pad one is fixedly installed on the lower end face of the connecting column and the fixed column, and the anti-wear pad two is fixedly installed on the opposite side wall of the fixed clamping plate.

[0011] Furthermore, the protective device includes a fixing block, a connecting plate, and a protective plate. The fixing block is fixedly installed on the opposite side wall of the fixing clamp, the connecting plate is fixedly installed on the lower end face of the fixing block, and the protective plate is fixedly installed on the lower end face of the connecting plate. An opening groove is provided on the opposite side wall of the protective plate.

[0012] Furthermore, the buffer device includes an absorbent pad and a buffer pad. The absorbent pad is fixedly installed on the lower end face of the connecting plate. The absorbent pad is fixedly installed on the opposite side wall of the protective plate. The buffer pad is fixedly installed on the lower end face of the connecting plate. The buffer pad is fixedly connected to the opposite side wall of the absorbent pad. The opposite side wall of the buffer pad is provided with heat dissipation grooves.

[0013] Furthermore, the limiting device includes a limiting block and a limiting plate. The limiting block is fixedly installed in the opening slot of the protective plate, and the limiting plate is rotatably installed on the opposite side wall of the fixed block.

[0014] The beneficial effects of this utility model are as follows:

[0015] First, the sides of the unmanned forklift are fixed by connecting columns and fixing devices. Then, the sides of the unmanned forklift are protected by protective devices. When the sides of the unmanned forklift are subjected to impact, the impact can be mitigated by the protective devices and buffer devices, thereby protecting the safety of the sides of the unmanned forklift during operation. Warning posters or warning signs can be fixed by limit devices to warn surrounding operators, thereby improving the safety of the unmanned forklift during use. Attached Figure Description

[0016] Figure 1 This is a front view of the three-dimensional structure of this utility model;

[0017] Figure 2 This is a partial structural schematic diagram of the present invention;

[0018] Figure 3 This is an exploded view of a partial structure of this utility model;

[0019] Reference numerals in the attached drawings: 1. Connecting column; 2. Fixing device; 201. Fixing column; 202. Adjusting slide; 203. Motor; 204. Threaded rod; 205. Fixing clamp; 3. Anti-friction device; 301. Anti-wear soft pad one; 302. Anti-wear soft pad two; 4. Protective device; 401. Fixing block; 402. Connecting plate; 403. Protective plate; 5. Buffer device; 501. Absorbent soft pad; 502. Buffer pad; 6. Limiting device; 601. Limiting block; 602. Limiting plate. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0022] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0023] In the description of the embodiments of this utility model, it should be noted that the terms "inner", "outer", "upper", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] Please see Figure 1-3 A safety protection device for an unmanned forklift includes a connecting column 1, a fixing device 2 for fixing the sides of the unmanned forklift on the front and rear side walls of the connecting column 1, an anti-friction device 3 on the lower end face of the connecting column 1 and the fixing device 2, a protective device 4 for protecting the sides of the unmanned forklift on the movable end of the fixing device 2, a buffer device 5 for relieving impact on the opposite side wall of the protective device 4, and a limiting device 6 for fixing warning posters on the opposite side wall of the protective device 4.

[0025] Specifically, the unmanned forklift is first fixed to both sides by connecting column 1 and fixing device 2. Then, the unmanned forklift is protected by protective device 4. When the unmanned forklift is subjected to impact, the impact can be mitigated by protective device 4 and buffer device 5, thereby protecting the safety of the unmanned forklift during operation. Warning posters or warning signs can be fixed by limiting device 6 to warn surrounding operators and improve the safety of unmanned forklift during use.

[0026] The fixing device 2 includes a fixing column 201, an adjusting slide 202, a motor 203, a threaded rod 204, and a fixing clamp 205. The fixing column 201 is fixedly installed on the front and rear side walls of the connecting column 1. The adjusting slide 202 is fixedly installed on the left and right side walls of the fixing column 201. The motor 203 is fixedly installed on the opposite side wall of the adjusting slide 202. The threaded rod 204 is fixedly installed on the rotating end of the motor 203. The fixing clamp 205 is slidably installed in the adjusting slide 202. The fixing clamp 205 and the threaded rod 204 are threadedly connected.

[0027] Specifically, the motor 203 drives the threaded rod 204 to rotate, and then the threaded rod 204 drives the fixed clamp 205 to move within the adjusting groove 202, thereby achieving the purpose of fixing both sides of the unmanned forklift through the fixed clamp 205.

[0028] The anti-friction device 3 includes an anti-friction soft pad 301 and an anti-friction soft pad 302. The anti-friction soft pad 301 is fixedly installed on the lower end face of the connecting column 1 and the fixed column 201, and the anti-friction soft pad 302 is fixedly installed on the opposite side wall of the fixed clamping plate 205.

[0029] Specifically, the surfaces of the unmanned forklift that come into contact with the connecting column 1, the fixed column 201, and the fixed clamping plate 205 are protected by anti-wear soft pad 1 301 and anti-wear soft pad 2 302, thereby achieving the purpose of protecting the surface of the unmanned forklift.

[0030] The protective device 4 includes a fixing block 401, a connecting plate 402, and a protective plate 403. The fixing block 401 is fixedly installed on the opposite side wall of the fixing clamp 205, the connecting plate 402 is fixedly installed on the lower end face of the fixing block 401, and the protective plate 403 is fixedly installed on the lower end face of the connecting plate 402. The opposite side wall of the protective plate 403 is provided with an opening groove.

[0031] Specifically, the protective plate 403 protects both sides of the unmanned forklift, thereby preventing damage caused by side impacts during operation.

[0032] The buffer device 5 includes an absorbent pad 501 and a buffer pad 502. The absorbent pad 501 is fixedly installed on the lower end face of the connecting plate 402 and is fixedly installed on the opposite side wall of the protective plate 403. The buffer pad 502 is fixedly installed on the lower end face of the connecting plate 402 and is fixedly connected to the opposite side wall of the absorbent pad 501. The opposite side wall of the buffer pad 502 is provided with heat dissipation grooves.

[0033] Specifically, by absorbing the soft pad 501 and the buffer pad 502, the impact force on the protective plate 403 is relieved, thereby achieving the purpose of protecting both sides of the unmanned forklift. The heat dissipation groove of the buffer pad 502 facilitates the dissipation of heat generated by the unmanned forklift during operation.

[0034] The limiting device 6 includes a limiting block 601 and a limiting plate 602. The limiting block 601 is fixedly installed at the opening slot of the protective plate 403, and the limiting plate 602 is rotatably installed on the opposite side wall of the fixed block 401.

[0035] Specifically, by rotating the limiting plate 602 on the limiting block 601, the warning poster or warning sign is fixed, thereby improving the safety of the unmanned forklift during use.

[0036] In summary:

[0037] First, the sides of the unmanned forklift are fixed using connecting column 1 and fixing device 2. Then, the sides of the unmanned forklift are protected using protective device 4. When the sides of the unmanned forklift are subjected to impact, the impact force can be mitigated by protective device 4 and buffer device 5, thereby protecting the safety of the sides of the unmanned forklift during operation. Warning posters or warning signs can be fixed using limit device 6 to warn surrounding operators, thereby improving the safety of using the unmanned forklift. Motor 203 drives threaded rod 204 to rotate, and then threaded rod 204 drives fixed clamp 205 to move within adjusting slide groove 202, thereby achieving the purpose of fixing the sides of the unmanned forklift through fixed clamp 205. Pad 301 and anti-wear pad 302 protect the surfaces of the unmanned forklift that come into contact with the connecting column 1, the fixed column 201, and the fixed clamping plate 205, thereby protecting the surface of the unmanned forklift. The protective plate 403 protects the sides of the unmanned forklift, preventing damage from side impacts during operation. The absorbent pad 501 and the buffer pad 502 alleviate the impact force on the protective plate 403, thus protecting the sides of the unmanned forklift. The heat dissipation grooves of the buffer pad 502 facilitate the dissipation of heat generated by the unmanned forklift during operation. By rotating the limit plate 602 on the limit block 601, the warning poster or warning sign is fixed, thereby improving the safety of the unmanned forklift during use.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A safety protection device for an unmanned forklift, comprising a connecting column (1), characterized in that, The front and rear side walls of the connecting column (1) are provided with fixing devices (2) for fixing the sides of the unmanned forklift. The lower end faces of the connecting column (1) and the fixing device (2) are provided with anti-friction devices (3). The movable end of the fixing device (2) is provided with protective devices (4) for protecting the sides of the unmanned forklift. The opposite side walls of the protective device (4) are provided with buffer devices (5) to reduce impact. The opposite side walls of the protective device (4) are provided with limiting devices (6) for fixing warning posters.

2. The safety protection device for an unmanned forklift according to claim 1, characterized in that, The fixing device (2) includes a fixing column (201), an adjusting slide (202), a motor (203), a threaded rod (204), and a fixing clamp (205). The fixing column (201) is fixedly installed on the front and rear side walls of the connecting column (1). The adjusting slide (202) is fixedly installed on the left and right side walls of the fixing column (201). The motor (203) is fixedly installed on the opposite side wall of the adjusting slide (202). The threaded rod (204) is fixedly installed on the rotating end of the motor (203). The fixing clamp (205) is slidably installed in the adjusting slide (202). The fixing clamp (205) and the threaded rod (204) are threadedly connected.

3. The safety protection device for an unmanned forklift according to claim 1, characterized in that, The anti-friction device (3) includes an anti-friction pad one (301) and an anti-friction pad two (302). The anti-friction pad one (301) is fixedly installed on the lower end face of the connecting column (1) and the fixed column (201), and the anti-friction pad two (302) is fixedly installed on the opposite side wall of the fixed clamping plate (205).

4. The safety protection device for an unmanned forklift according to claim 2, characterized in that, The protective device (4) includes a fixing block (401), a connecting plate (402), and a protective plate (403). The fixing block (401) is fixedly installed on the opposite side wall of the fixing clamp (205). The connecting plate (402) is fixedly installed on the lower end face of the fixing block (401). The protective plate (403) is fixedly installed on the lower end face of the connecting plate (402). The opposite side wall of the protective plate (403) is provided with an opening groove.

5. A safety protection device for an unmanned forklift according to claim 4, characterized in that, The buffer device (5) includes an absorbent pad (501) and a buffer pad (502). The absorbent pad (501) is fixedly installed on the lower end face of the connecting plate (402). The absorbent pad (501) is fixedly installed on the opposite side wall of the protective plate (403). The buffer pad (502) is fixedly installed on the lower end face of the connecting plate (402). The buffer pad (502) is fixedly connected to the opposite side wall of the absorbent pad (501). The opposite side wall of the buffer pad (502) is provided with heat dissipation grooves.

6. A safety protection device for an unmanned forklift according to claim 4, characterized in that, The limiting device (6) includes a limiting block (601) and a limiting plate (602). The limiting block (601) is fixedly installed in the opening slot of the protective plate (403), and the limiting plate (602) is rotatably installed on the opposite side wall of the fixed block (401).

Citation Information

Patent Citations

  • Safety protection device of unmanned forklift

    CN220033927U