self advancing support

esignes a self-moving tiny vibrating roller.

设计了一种小型自移式压实机具，其工作原理是利用激振力的部分水平分力来行走，而激振力的垂直分力则用于压实。

This paper mainly indurced the technical parameter and structure design about belt converyor moving drive end and analysed the capability of this item.

详细介绍了MBT1400型带式输送机自移机尾的主要技术参数及结构设计特点,并分析了该研制项目的创新点和性能特点。

In this article,the author probes into chinese present coal energy situation,production,and conveying method of coal so that to affirm that using self-moving system can greatly improve coal output.

对中国目前煤炭能源状况、生产、运输方式进行了探讨,从而肯定了利用自移系统极大提高煤炭产量的模式。

5/47 headgate combinatorial mobile presupporting shield.

5／47型回风巷组合自移式超前支架,并对该新型支架的设计技术、支护参数、结构特点、应用效果进行了阐述。

In view of the problems occurred during underground application of Mattill self-advancing tail device, some structures of it is improved in order to satisfy the requirements for underground operation.

　针对马蒂尔自移机尾装置在井下使用中出现的一些问题,对其局部结构进行了改造,以适应井下作业的需要。