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1. 发明授权

US3159003A Roof supports for mines 失效
标题翻译：屋顶支持矿山
公开(公告)号：US3159003A
公开(公告)日：1964-12-01
申请号：US12797861
申请日：1961-07-31
申请人： GULLICK LTD
发明人： THOMAS KEARSLEY
IPC分类号： E21D23/00 , E21D23/04 , E21D23/08
CPC分类号： E21D23/086 , E21D23/0052 , E21D23/0069 , E21D23/0409

2. 发明授权

US4311417A Mine roof support 失效
标题翻译：矿山屋顶支撑
公开(公告)号：US4311417A
公开(公告)日：1982-01-19
申请号：US115385
申请日：1980-01-25
申请人： Lewis R. B. Bower , Arthur Scarfe , John C. Smith
发明人： Lewis R. B. Bower , Arthur Scarfe , John C. Smith
IPC分类号： E21D23/00 , E21D23/08 , E21D23/04
CPC分类号： E21D23/086 , E21D23/0021
摘要： A self-advancing, hydraulically powered mine roof support comprises a base means, a double-acting hydraulic advancing ram extending in the intended direction of advance of the support in use, the cylinder of the advancing ram being located towards the forward end of the support and the piston rod of the advancing ram being located towards the rearward end of the support, a lifting ram mounted on the support at or towards the forward end thereof and being operable on the periphery of the cylinder to lift the forward end with respect to the cylinder, the end of the cylinder remote from the piston rod being connectable to a pan of an armoured conveyor, and the advancing ram being connected to the support by an inclined link means pivotally attached to the base means and to the piston rod.
摘要翻译：自推进的液压动力的矿井屋顶支撑件包括基座装置，在使用中沿支撑件的预期方向延伸的双作用液压前进柱塞，前进柱塞的气缸朝向支撑件的前端定位并且前进的冲头的活塞杆朝向支撑件的后端定位;升降柱塞，其安装在支撑件上或朝向其前端，并且可在气缸的周边上操作，以相对于气缸的前端提升前端气缸的远端的活塞杆的端部可连接到铠装输送机的盘，并且前进的压头通过可枢转地附接到基座装置和活塞杆的倾斜连杆装置连接到支撑件。

3. 发明授权

US4041715A Pit prop with liftable front end 失效
标题翻译：坑具有可抬起的前端
公开(公告)号：US4041715A
公开(公告)日：1977-08-16
申请号：US719144
申请日：1976-08-31
申请人： Willy Watermann , Walter VON DER Linden
发明人： Willy Watermann , Walter VON DER Linden
IPC分类号： E21D23/00 , E21D23/04 , E21D23/08 , E21D15/44
CPC分类号： E21D23/086 , E21D23/0034 , E21D23/0436
摘要： A pit prop has a floor-engaging foot, at least one arm pivoted at the rear of this foot and extending forwardly, a roof-engaging shield carried at the front end of this arm, and at least one ram extending vertically between the arm and the foot for pressing the shield against the roof and the foot against the floor. A hydraulic ram has its rear end pivoted at the rear end of the foot and its front end pivoted on the rear end of a rigid link whose front end in turn is pivoted on the face conveyor. The rear end of this link is slidable in and pivoted on the foot. A second link has its front end pivoted on the rear end of the main link and its rear end bearing vertically down against the foot but slidable therealong. A short lifting ram has its rear end pivoted on the rear end of the second link and its front end pivoted on the rear end of the main link above the pivot for the other displacement ram pivoted on this link. Thus expansion of this lifting ram raises the front end of the foot of the pit prop off the floor.
摘要翻译：凹坑支架具有地板接合的脚，至少一个臂在该脚的后部枢转并且向前延伸，在该臂的前端承载的屋顶接合屏蔽件，以及至少一个在臂和用于将屏蔽物抵靠屋顶和脚抵靠在地板上的脚。液压油缸的后端在脚的后端枢转，其前端枢转在刚性连杆的后端，其前端又在面传送器上枢转。该连杆的后端可滑动并在脚上枢转。第二连杆的前端枢转在主连杆的后端，其后端垂直向下靠着脚，但是可以沿着它滑动。短的升降夯具有其后端在第二连杆的后端枢转，并且其前端枢转在枢轴上方的主连杆的后端，以便枢转在该连杆上的另一位移夯。因此，这种升降柱的膨胀将坑支脚的前端从地板上升起。

4. 发明授权

US4487531A Travelling bracket 失效
标题翻译：旅行支架
公开(公告)号：US4487531A
公开(公告)日：1984-12-11
申请号：US433807
申请日：1982-10-08
申请人： Ernst-G/u/ nter Nerlich , Hans-Ferdinand Bemmerl , Peter Kr/o/ ninger
发明人： Ernst-G/u/ nter Nerlich , Hans-Ferdinand Bemmerl , Peter Kr/o/ ninger
IPC分类号： E21D23/08 , E21D23/00
CPC分类号： E21D23/086
摘要： A trough-shaped travelling bracket of a retracting and guiding arrangement of a mine roof support has fixing elements at its mine-face end for releasably coupling with an abutment, wherein the fixing elements are exchangeable, but fixedly connectable with a web of the travelling bracket.
摘要翻译：矿顶支撑件的缩回和引导装置的槽形行进支架在其矿井端具有固定元件，用于与支座可释放地联接，其中固定元件是可更换的，但可与行走支架的腹板固定连接。

5. 发明授权

US4227833A Mineral mining installation 失效
标题翻译：矿山开采装置
公开(公告)号：US4227833A
公开(公告)日：1980-10-14
申请号：US1652
申请日：1979-01-08
申请人： Karl-Heinz Plester , Friedrich Eggenstein
发明人： Karl-Heinz Plester , Friedrich Eggenstein
IPC分类号： E21D23/08 , E21F13/10 , E21D23/00
CPC分类号： E21D23/086 , E21F13/10
摘要： A mineral mining installation comprises a longwall structure, such as a conveyor or a winning installation, and a roof support assembly constituted by a plurality of roof support units positioned side-by-side. At least some of the roof support units are provided with hydraulic bracing rams for bracing the longwall structure longitudinally. Each bracing ram is pivotally connected between the longwall structure and the floor sill of a respective roof support unit. Each ram is connected to its floor sill by connection means constituted by a bracket slidably mounted on that floor sill for movement towards, and away from, the longwall structure. Means are provided for securing each of the brackets to its floor sill in any one of a plurality of positions.
摘要翻译：一种矿物开采设备包括诸如输送机或获胜设备的长壁结构，以及由并排定位的多个屋顶支撑单元构成的屋顶支撑组件。至少一些屋顶支撑单元设置有用于纵向地支撑长壁结构的液压支撑柱塞。每个支撑柱头枢转地连接在相应屋顶支撑单元的长壁结构和底板之间。每个压头通过由可滑动地安装在该底板上的支架构成的连接装置连接到其底板上，以便朝向和远离长壁结构移动。提供了用于将每个支架固定到多个位置中的任一个中的其底板的装置。

6. 发明授权

US4139325A Mine roof supports 失效
标题翻译：矿顶支撑
公开(公告)号：US4139325A
公开(公告)日：1979-02-13
申请号：US917405
申请日：1978-06-20
申请人： Lewis R. Bower , Malcolm Wake
发明人： Lewis R. Bower , Malcolm Wake
IPC分类号： E21D23/00 , E21D23/08 , E21D15/44
CPC分类号： E21D23/086 , E21D23/0017
摘要： A mining installation comprises an armoured conveyor made up of a plurality of pans articulated together end-to-end, a plurality of hydraulically powered, self-advancing mine roof supports located side by side along the goaf side of the conveyor, each roof support being connected to a pan by one or more double-acting advancing rams, and each having a base means incorporating a pair of spaced, elongate base members seating on a mine fooor, each support further having a forward end intended to be located, in use, adjacent the goaf side of the conveyor and a rearward end intended to be remote from the conveyor, a rail located between the base members and attached at a forward end thereof to a pan of the conveyor, and a lifting jack carried by the base members at or near the front end thereof and operable on the rail to lift the front ends of the base members from the mine floor and in this condition be advanced towards the conveyor by operation of the one or more double-acting advancing rams.
摘要翻译：采矿设备包括由多个端对端铰接的多个平板机构成的装甲输送机，沿输送机的侧壁并排设置的多个液压动力的自行进的矿顶支架，每个屋顶支撑件通过一个或多个双作用的前进柱塞连接到盘，并且每个具有底座装置，该基座装置包括一对位于矿井上的间隔开的细长的基部构件，每个支撑件还具有用于在使用中定位的前端，邻近输送机的侧壁侧和旨在远离输送机的后端，位于基部构件之间并且其前端附接到输送机的盘的轨道，以及由基座构件承载的提升千斤顶或在其前端附近并且可在轨道上操作以将基座构件的前端从矿井底板提升，并且在该状态下，通过一个或多个双作用行进r ams。

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