The pneumatic impact hanyner in developing stage is a efficient equipment used in trenchless construction, however, its design theory is very imperfect. In this article, the haniner is taken as the object of study on the basis of analysing the trenchless construction technology and equipment, and is studied with computer imitation technology. The main contents of the study are as follows.
(a) After analysing the plan of past pneumatic impact equipment and the structure of impact haniner abroad, a...
| 
点击下列相关研究机构和相关文献作者，可以直接查到这些机构和作者被《中国知识资源总库》收录的其它文献，使您全面了解该机构和该作者的研究动态和历史。
