A semi-trailer

By designing the axle drive mechanism and lifting hydraulic cylinder in the trailer, the rearward movement and self-rescue functions of the car are realized, and the shortcomings of existing agricultural trailers in unloading and self-rescue are solved, reducing production costs and safety hazards.

CN120003616BActive Publication Date: 2025-06-17YANCHENG KANGDA ECONOMIC & TECH DEV CO
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Patent Information

Application Number
CN202510491523.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2025-06-17
Estimated Expiration
2045-04-18

AI Technical Summary

Technical Problem

The existing agricultural trailers have problems such as inability to unload in situ, incomplete unloading, and inability to save themselves when the wheels are trapped, resulting in high production costs and high safety risks.

Method used

A trailer is designed, using an axle drive mechanism to drive the support backward movement, driving the slide seat and leaf spring backward movement, realizing the rearward movement of the car support position, reducing weight difference, and driving the car overturning through the lifting hydraulic cylinder, and using the axle drive mechanism to save itself.

Benefits of technology

It has achieved the reduction of production costs and safety hazards, and has the self-rescue function, so it can automatically get out of trouble when the wheel is trapped.

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Abstract

The present invention discloses a trailer, which comprises a carriage, an axle, an axle driving mechanism, a jacking mechanism, a towing bracket, a support and a plurality of sliding mechanisms. The towing bracket is provided with a jacking mechanism, which is connected to the rear bottom of the carriage and drives it to turn over. The bottom of the carriage is provided with sliding mechanisms arranged in parallel. The sliding mechanisms are provided with supports connected by hinges. Leaf springs are arranged on the supports, and axles are arranged on the leaf springs. Wheels are arranged at both ends of the axles. The towing bracket is provided with an axle driving mechanism for driving the support to move reciprocally. Compared with the prior art, it can reduce production costs and potential safety hazards, and has a self-rescue function.
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