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1)  crushing tooth plate
破碎齿板
2)  jaw plate tooth-shape
颚式破碎机齿板
1.
This paper introduces the main characteristics of Pro/E software and the parametric design, and expounds the building process of parametric model of jaw plate tooth-shape based on Pro/E.
介绍了Pro/E软件的主要特点及参数化设计,阐述了基于Pro/E的颚式破碎机齿板参数化模型的建立过程。
3)  crusher tooth
破碎齿型
4)  broken roof
破碎顶板
1.
Prevention and control technology for spalling and failing of high inclined broken roof in fully mechanized mining face;
综采工作面大倾角破碎顶板片帮冒顶防治技术
2.
Research on broken roof consolidation technology in coal ming face;
采煤工作面破碎顶板加固技术研究
3.
Mechanism and project practices on broken roof control with wood bolt in fully mechanized coal mining face;
木锚杆控制综采面破碎顶板的机理及工程实践
5)  roof broken
顶板破碎
1.
Cause analysis on roof broken in mine gateway retained for next sublevel in Xinghua Mine as well as prevention and control;
杏花煤矿沿空留巷顶板破碎原因分析及其防治
6)  friable roof
破碎顶板
1.
Application of supporting technology combination of anchor cable and bolt in friable roof support;
锚索锚杆联合支护在破碎顶板中的应用
2.
Drecting to the difficult controlling problem of friable roof in blasting coal face near the gob area and based on the conventional longwall mining method, Sihuaishu Coal Mine succeeded in the extraction of No.
针对极近采空区下炮采工作面破碎顶板难控制问题 ,新泰市四槐树煤矿在普通长避开采布置的基础上 ,采用“弓形”推进回采工艺 ,成功地对采用普通长壁回采工艺难以开采的极近采空区下的 16层煤进行了回采 ,取得了较好的技术、经济和社会效益 ,为类似破碎顶板炮采工作面的开采提供了一条新途径。
补充资料:齿辊式破碎机
分子式:
CAS号:

性质:辊式破碎机的一种。轧辊面是齿面,可以按物料的性质,粒度的要求及工作条件可以设计出不同的齿形和齿牙的布置方式。破碎的效果好,但抗磨损性能差。

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