Brake oil cylinder for tractor and tractor

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By designing a brake cylinder for tractors, and utilizing the cooperation of the housing, hydraulic braking components, and pressure plate tie rod, the braking system is indirectly controlled, solving the problem of high output pressure of the brake pump and achieving a compact, low-cost, and highly reliable braking system.

CN224283297UActive Publication Date: 2026-05-26LOVOL HEAVY IND CO LTD

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Patent Information

Application Number: CN202521658752.7
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2025-08-06
Publication Date: 2026-05-26
Estimated Expiration: 2035-08-06

Application Information

Patent Timeline

06 Aug 2025

Application

CN202521658752.7

26 May 2026

Publication

CN224283297U

IPC: F16D65/14; B60T11/10; F16D121/02

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AI Technical Summary

Technical Problem

Existing hydraulic braking systems require high output pressure from the brake pump, resulting in complex design and high cost.

Method used

Design a brake cylinder for tractors. Through the cooperation of the housing, hydraulic braking components and pressure plate tie rod, the brake fluid does not act directly on the brake pressure plate, but is indirectly controlled by the hydraulic braking components, thereby reducing the pressure of the braking system.

Benefits of technology

It effectively reduces braking system pressure, extends service life, has a compact overall structure, low cost, high reliability, and features both hydraulic and manual braking modes.

✦ Generated by Eureka AI based on patent content.

Patent Text Reader

Abstract

The brake oil cylinder comprises a shell, a hydraulic brake assembly and a pressure plate pull rod, the hydraulic brake assembly and the pressure plate pull rod are arranged in the shell, the hydraulic brake assembly comprises a brake piston, a brake push rod and a hydraulic brake rocker arm, a hydraulic oil channel is formed in the end of the shell, and the hydraulic oil channel is communicated with the pressure plate pull rod. The brake piston is arranged in the hydraulic oil channel and drives the hydraulic brake rocker arm to rotate through the brake push rod, and the hydraulic brake rocker arm drives the pressure plate pull rod to move so that a brake pressure plate of the tractor can be twisted. According to the brake oil cylinder for the tractor, through cooperation of the shell, the hydraulic brake assembly and the pressure plate pull rod, brake oil does not directly act on the brake pressure plate but is indirectly controlled through the hydraulic brake assembly, then the pressure of a brake system is effectively reduced, and the service life is prolonged. The brake oil cylinder for the tractor is compact in overall structure, capable of achieving braking of the tractor through mechanical matching, low in cost and high in reliability.

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