发明名称 |
DEVICE FOR CRUSHING ROCK |
摘要 |
FIELD: mining industry. SUBSTANCE: this can be used for producing stone blocks. Device has working member, double-action hydraulic cylinder, spring shackle, and replaceable bushes of different height. Working member is made up of wedge positioned between expanding jaws. Wedge is rigidly connected with piston. Upper parts of outer surfaces of wedge and working jaws are made parallel to longitudinal axis of working member. Expanding jaws are fastened on spring shackle. Installed on shackle with embracement of upper part of working member are replaceable bushes. Depth of intervening of working member into bore-hole is set by selecting bushes of certain height. EFFECT: high efficiency. 1 dwgi
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申请公布号 |
RU2101496(C1) |
申请公布日期 |
1998.01.10 |
申请号 |
SU19925022318 |
申请日期 |
1992.01.21 |
申请人 |
INZHENERNO-TEKHNICHESKIJ TSENTR "SILOVYE IMPUL'SNYITUTE IM.SERGO ORDZHONIKIDZE;SISTEMY PRI MO GEOLOGORAZVEDOC |
发明人 |
FONBERSHTEJN E.G.;EHKOMASOV S.P.;DERJABIN O.E.;FONBERSHTEJN E.G.;EHKOMASOV S.P.;DERJABIN O.E. |
分类号 |
E21C37/02;(IPC1-7):E21C37/02 |
主分类号 |
E21C37/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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