变速调节阀由前进调节阀、后退调节阀、前进蓄能器和后退蓄能器组成,它们集成在一块阀体上。它与变速器操纵阀配合使用,极大地减小换向过程中的液压冲击,延长变速系统的使用寿命,改善操纵性能,提高工作舒适性。该阀具有结构紧凑、工作可靠、性能先进、故障率低等特点。广泛应用于装载机、铲运机、以及现代军用作战车辆的液压变速系统中。 The variable speed control valve consists of a forward control valve, a reverse control valve, a forward accumulator and a backward accumulator, all integrated in one valve body. It is used in conjunction with the transmission control valve, which greatly reduces the hydraulic shock during the commutation, prolongs the service life of the transmission system, improves the controllability and improves the working comfort. The valve has a compact, reliable, advanced performance, low failure rate and so on. Widely used in loaders, scrapers, and modern military combat vehicles, hydraulic transmission system.