明杆结构，带平衡尾杆。
并对其进行数值分析，结果表明．弹底和膛底曲线与实验有较好的一致性，被膛和尾杆处的流动壅塞引起了膛内局部压力升高。
It is shown that the curves ofp-t are consistent with those obtained by experiments. The flow jam at the slope chamber and tall rod is the main factors causing abnormal pressure in the chamber.
分析了普通金属锚杆存在的问题，并提出新型金属粗尾锚杆可以很好地解决这方面存在的问题。
Analyzed the problem that exist in suspension roof support, and presented the new type strong steel big-end bolt can solve this problem.
应用材料力学理论，阐明了锚杆支护时锚尾一定受到偏心载荷作用和顶板锚杆破断的机理。
With material mechanics theory, expounded bolt tail subjected to no center load action and roof bolt broken mechanism while roadway was supported with bolts.
通过理论分析和实验，提出了一种防止锚尾破断的新型锚杆，以及锚杆结构形式和加工制造工艺。
By theoretical analysis and lab test, put forward a kind of new type bolts which may prevent bolt tails from being broken, bolt construction structure's pattern, and bolt made technology.
证明了新型粗尾锚杆可以解决顶板锚杆破断问题。
It is verified that roof bolt broken problem may be solved with new type's thick tail bolt.
主要生产和销售六角头螺栓、六角法兰面螺栓、双头螺栓、马车螺栓、组合螺钉、钻尾螺丝、全牙丝杆。
Produce and sell six head bolt, bolt, pairs of head bolt, carriage bolt the six flange, make screw up, get into tail screw, the whole tooth silk pole mainly.
全面解决支护和冒放等难题，关键在于开发和采用由上述两项新技术结合而成的新型放顶煤液压支架-伸缩杆尾梁放顶煤液压支架。
The key of settling the difficulties of supporting and caving is to develop and adopt the new style hydraulic caving supports with tail beam of expansion link combined by above 2 new technologies.
全面解决支护和冒放等难题，关键在于开发和采用由上述两项新技术结合而成的新型放顶煤液压支架-伸缩杆尾梁放顶煤液压支架。
The key of settling the difficulties of supporting and caving is to develop and adopt the new style hydraulic caving supports with tail beam of expansion link combined by above 2 new technologies.
应用推荐