Self-adaptive balance valve control valve for walking motor of scissor type aerial work platform

Abstract

The invention relates to the technical field of balance control valves, in particular to a self-adaptive balance control valve for a walking motor of a scissor type aerial work platform. According to the self-adaptive balance control valve for the walking motor of the scissor type aerial work platform provided by the invention, through a slide valve type balance valve structure with a built-in cone type one-way valve, a design of adding an opening throttling groove and a design of a symmetrical structure, floating self-adaptive flow output in a walking process is realized, and the slide valve type balance valve automatically resets to the neutral position when walking and not working; a local throttling groove is formed in the built-in cone type one-way valve, so that a small amount of flow can pass through the neutral position, the requirement that the whole machine needs to move after braking unlocking is met, and the problems that when a conventional balance valve is not added in an existing system, impact is large, and speed is likely to stall under the downhill working condition are solved; and when a conventional balance function is added, the system energy consumption loss is large, the downhill stall problem can be controlled, but the problem caused by downhill shaking still exists, so that the self-adaptive balance valve absorbs starting and stopping impact, system pressure loss and corresponding energy consumption loss are reduced, and meanwhile, the working condition that the whole vehicle needs to be pushed in the neutral position is met as well.

Description

technical field [0001] The invention relates to the technical field of balance control valves, in particular to a scissor-type high-altitude work platform walking motor self-adaptive balance valve control valve. Background technique [0002] At present, the main valve is controlled by the traveling motor in the market. Considering the cost problem, most of them do not use the balance valve. The start and stop of the whole machine will cause the working platform to shake, and the whole machine will stall when going downhill, posing safety hazards. Part of the whole machine pays attention to safety issues and adds a conventional balance valve, but it causes a high system loss, and the energy consumption of the scissor-type aerial work platform increases sharply. , after manually opening the brake, the phenomenon that the whole vehicle cannot be moved, which greatly reduces the efficiency and use requirements, so it is necessary to design an adaptive balance control valve to so...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a scissor-type aerial work platform walking motor self-adaptive balance valve control valve to solve the impact generated when the whole machine starts and stops, and also solve the downhill working condition of the scissor-type aerial work platform Problems with stalling or juddering

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