7吨-8吨挖掘机 液压行走装置

本产品为马达与减速机一体的行走装置。由集成于减速机内部的双排量轴向柱塞马达、行走减速器组成。马达内置安全阀、防气穴阀、停车制动器及高低二档转换装置，它的特点是：传动比范围大、结构紧凑、工作效率高、可靠性强、体积小、运动平稳、噪音低等，同时具有多级安全保护、使用寿命长等优点。适用于7吨-8吨液压挖掘机的履带驱动行走装置。

This product is one traveling gear that integrates the motor and reducer and is composed of the double displacement axial plunger motor integrated in the reducer and the traveling reducer. The motor incorporates the built-in safety valve, anti-air cavity valve, parking brake, and high/low gears transfer device, featuring high drive ratio scope, compact structure, high working efficiency, high reliability, low volume, stable movement, and low noise as well as multi-level safety protection and long service life. It is applicable for the crawler-driven traveling gear of hydraulic excavators.