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本文介绍的是一种采煤机无链牵引机构的改进形式(英国专利2106566)。这种牵引机构是采用通用的齿轮减速器将数个液压马达与主动齿轮联接起来。液压马达、齿轮减速器及主动齿轮都安装在牵引箱里,该牵引箱安装在位于工作面输送机一侧的一条齿轨上,并且,主动齿轮与齿条相啮合。泵站由一台油泵和一个油箱组成。油泵由采煤机的主电动机驱动,并且通过油管向牵引机构的液压马达供油。
This article presents an improved version of the shearer chainless traction mechanism (UK Patent 2106566). The traction mechanism uses a universal gear reducer to couple several hydraulic motors to the pinion. The hydraulic motor, the gear reducer and the driving gear are mounted in a traction box that is mounted on a rack on one side of the face conveyor and in which the drive gear meshes. The pump station consists of an oil pump and a tank. The pump is driven by the main motor of the shearer and feeds the hydraulic motor of the traction mechanism through the tubing.