Locking device for a hand brake of a track maintenance vehicle

CN224409273UActive Publication Date: 2026-06-26郭志强

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: 郭志强
Filing Date: 2025-09-12
Publication Date: 2026-06-26

AI Technical Summary

Technical Problem

The existing manual braking locking structure of rail work vehicles is complex to operate, lacks reliability, and may fail in emergency situations, thus failing to meet the high-efficiency operation requirements of modern rail work vehicles.

Method used

The locking device, consisting of a fixed bushing and a sliding shaft, achieves precise extension and retraction of the sliding shaft and locking and unlocking of the handle through the design of limit blocks, guide grooves, and locking holes, simplifying the operation process and improving reliability.

Benefits of technology

It improves the ease of operation, reliability, and safety of the device, has strong adaptability, shortens operation time, reduces safety hazards caused by misoperation, and meets the needs of diverse application scenarios.

✦ Generated by Eureka AI based on patent content.

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Figure CN224409273U_ABST

Patent Text Reader

Abstract

The utility model belongs to track operation vehicle technical field relates to a locking device of track operation vehicle manpower brake, include: fixed axle sleeve, sliding axle, limit stop, fixed axle sleeve is equipped in the outside of sliding axle, and sliding axle can reciprocate and slide in fixed axle sleeve along the length direction, limit stop is detachably connected in the end of sliding axle, one end of fixed axle sleeve connects the base of manpower brake, when sliding axle slides from fixed axle sleeve outward, the U shape opening of limit stop is towards the spoke of the brake handle of manpower brake, when sliding axle reciprocating and sliding, at least is equipped with locking position and unlocking position, when limit stop is in locking position, extends to the both sides of brake handle spoke and is stuck and is blocked and is defined brake handle rotation, when limit stop is in unlocking position, separates the rotation range of brake handle, the utility model discloses through sliding locking mechanism and limit stop makes handle can be firmly locked after braking, prevents accidental rotation or unlocking, avoids the track operation vehicle safety hidden danger caused by misoperation.

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