公开(公告)号：US5938376A

公开(公告)日：1999-08-17

申请号：US851837

申请日：1997-05-06

申请人： Robert J. Alcaraz

发明人： Robert J. Alcaraz

IPC分类号： E21B15/00 ,  E21C35/04 ,  E21D19/00 ,  E21D20/00 ,  E21C9/00 ,  E21D23/04 ,  E21D23/08 ,  E21D23/20

CPC分类号： E21D20/003 ,  E21B15/006 ,  E21C35/04 ,  E21D19/00

摘要： In an automated temporary roof support and roof bolting machine there are several safety features. The machine has forward operator's stations on each side of the machine. All the controls for operating the machine are in the operator's stations. The machine is pulled forward, a precise distance, by a hydraulic cylinder with a limited stroke. The pulling of the machine is controlled by safety switches requiring both operators to operate the switches in unison.

摘要翻译： 在自动化临时屋顶支撑和屋顶螺栓机器中有几个安全特征。 机器在机器的每一侧都有前台操作员站。 操作机器的所有控制装置都在操作员站内。 通过液压缸以有限的行程将机器向前拉，精确距离。 机器的拉动由安全开关控制，要求操作员一致操作开关。

公开(公告)号：US3474628A

公开(公告)日：1969-10-28

申请号：US3474628D

申请日：1968-09-16

申请人： REINSTAHL WANHEIM GMBH

发明人： WILKENLOH WILHELM ,  KOPPERS MANFRED

IPC分类号： E21D23/04 ,  E21D23/00 ,  E21D23/20 ,  E21D15/44

CPC分类号： E21D23/0047

公开(公告)号：US4422808A

公开(公告)日：1983-12-27

申请号：US395973

申请日：1982-07-07

申请人： Stephen P. Cook

发明人： Stephen P. Cook

IPC分类号： E21D23/20 ,  E21D23/16

CPC分类号： E21D23/20

摘要： An assembly of mine roof supports each of which has a control member and a hydraulically-operated member, e.g. a cantilever. The cantilevers operate one after the other in a predetermined sequence in response to actuation of one of the control members.Each cantilever is associated with a pressure-operated control valve and two serially-connected control valves which normally prevent operation of a cantilever in response to actuation of a control member unless the next-before cantilever in the series has completed its operation and the control member which caused that next-before cantilever to operate has been actuated.

摘要翻译： 一种矿顶支架的组件，每个组件具有控制构件和液压操作构件，例如， 悬臂 响应于其中一个控制构件的致动，悬臂以预定的顺序一个接一个地操作。 每个悬臂与压力操作的控制阀和两个串联连接的控制阀相关联，其通常防止响应于控制构件的致动来操纵悬臂，除非串联中的先前的悬臂已经完成其操作，并且控制构件 这导致接下来的悬臂操作已被致动。

公开(公告)号：US3507122A

公开(公告)日：1970-04-21

申请号：US3507122D

申请日：1968-09-11

申请人： BERGWERKSVERBAND GMBH

发明人： SCHMIDT HELMUT

IPC分类号： E21D23/12 ,  H03K19/00 ,  H03K19/173 ,  E21D23/20

CPC分类号： H03K19/173 ,  E21D23/12 ,  H03K19/00 ,  Y10T137/86389

公开(公告)号：US4476898A

公开(公告)日：1984-10-16

申请号：US359940

申请日：1982-03-19

申请人： Karl Krieger ,  Gunther Kuschke

发明人： Karl Krieger ,  Gunther Kuschke

IPC分类号： E21D23/14 ,  E21D23/20 ,  F15B9/10

CPC分类号： E21D23/20 ,  E21D23/14 ,  Y10T137/86413 ,  Y10T137/86445

摘要： A control device for the sequential control of an advancing mine-roof support comprising pressure-controlled directional control valves alternately connectable to a high pressure line and to a return line in order to convert a pressure pulse into a switching step at the main control unit of the advancing mine-roof support and for transmitting an answering pressure pulse signalling the completion of the workstage for continuing the sequence.

摘要翻译： 一种用于顺序控制推进的矿顶支撑件的控制装置，包括可交换地连接到高压管线和返回管线的压力控制方向控制阀，以便将压力脉冲转换为主控制单元处的切换步骤 前进的矿顶支撑和用于发送应答压力脉冲，发信号通知工作台的完成以继续顺序。

公开(公告)号：US3483705A

公开(公告)日：1969-12-16

申请号：US3483705D

申请日：1967-04-19

申请人： GULLICK LTD

发明人： ROBERTS STANLEY

IPC分类号： E21D23/00 ,  E21D23/03 ,  E21D23/20 ,  E21C41/00 ,  E21D11/00

CPC分类号： E21D23/03 ,  E21D23/0043

公开(公告)号：US4451181A

公开(公告)日：1984-05-29

申请号：US361182

申请日：1982-03-24

申请人： Thomas Trumper ,  Harry Rosenberg ,  Walter Weirich

发明人： Thomas Trumper ,  Harry Rosenberg ,  Walter Weirich

IPC分类号： E21D23/16 ,  E21D23/14 ,  E21D23/20 ,  E21D23/12 ,  F15B11/20

CPC分类号： E21D23/14 ,  E21D23/20

摘要： An electro-hydraulic control system for an underground mineral mining installation employs individual control assemblies and devices on a series of support units which are interconnected to one another and to a central control station via lines conveying electrical control signals. Manually-operable selector switches on the units enable groups of the support units to be operated in sequence at will by operating the switches of adjacent units outside the group.

摘要翻译： 用于地下采矿设备的电液控制系统在通过传送电控信号的线路彼此相互连接并通过中央控制站相互连接的一系列支撑单元上采用单独的控制组件和装置。 单元上的手动操作选择器开关允许通过操作组外的相邻单元的开关来依次操作支持单元的组。

公开(公告)号：US4109472A

公开(公告)日：1978-08-29

申请号：US761539

申请日：1977-01-21

申请人： Robert G. Harris

发明人： Robert G. Harris

IPC分类号： E21D23/14 ,  E21D23/20 ,  E21D15/44

CPC分类号： E21D23/20 ,  E21D23/14 ,  E21D23/146

摘要： Mining apparatus for use on a mineral face comprising a plurality of roof supports arranged along the face, the roof supports being capable of undergoing advancing movements in sequence, and a manually operable control means on each of at least some of the supports, arranged such that actuation of the control means on one support will enable any other support within a predetermined range of supports adjacent said one support to undergo an advancing movement if the support preceding the said support in the sequence has unergone an advancing movement, the number of supports between any two successive supports which have a control means being less than the number in said predetermined range.

摘要翻译： 在矿物面上使用的采矿设备，包括沿着所述表面布置的多个屋顶支撑件，所述屋顶支撑件能够顺序地进行前进运动，以及在至少一些所述支撑件中的每一个上的可手动控制装置， 一个支撑件上的控制装置的致动将使得邻近所述一个支撑件的支撑件的预定范围内的任何其它支撑件能够经历前进运动，如果在所述支撑件之前的所述支撑件在所述顺序中具有前进运动，则任何 两个连续的支撑件具有小于所述预定范围内的数量的控制装置。

公开(公告)号：US3570255A

公开(公告)日：1971-03-16

申请号：US3570255D

申请日：1968-06-10

申请人： MASTABAR MINING EQUIPMENT CO L

发明人： SHUTTLEWORTH PETER

IPC分类号： E21D23/00 ,  E21D23/03 ,  E21C41/00 ,  E21D11/00 ,  E21D23/20

CPC分类号： E21D23/03 ,  E21D23/003

摘要： AN ADVANCING MINE ROOF SUPPORT HAVING A SOLID CANOPY WHICH IS SUPPORTED ABOVE A BASE FRAME BY A PLURALITY OF HYDRAULIC PROPS, MOUNTED AT THE FRONT AND REAR OF THE BASE FRAME, WHICH ARE EXTENDABLE TO RAISE AND LOWER THE CANOPY. THE REAR OF THE SUPPORT IS ENCLOSED BY AN UPSTANDING SHIELD OF SRAP-AROUND CONFIGURATION HAVING TWO SIDE WALLS AND A SLOPING REAR WALL, THE SHIELD AND BASE FRAME TOGETHER FORMING A SHOE ASSEMBLY AND, WITH THE CANOPY, SERVE TO PROTECT THE INTERIOR OF THE SUPPORT FROM ROOF FALLS AND THE FLUSHING OF THE CAVED WASTE. FURTHER PROTECTION IS AFFORDED BY A FLAP, HINGED TO THE REAR OF THE CANOPY AND ARRANGED TO REST AGAINST THE INCLINED REAR WALL OF THE SHIELD. THE FLAP MAY INCLUDE SIDE WALL PORTIONS TO OVERLIE THE SIDES OF THE SHIELD AND PREVENTS WASTE FROM ENTERING BETWEEN THE CANOPY AND SHIELD WHEN THE

FORMER IS RAISED. THE BASE FRAME IS OF SLEDGE LIKE CONSTRUCTION, HAVING TWO SIDES MEMBERS OR RUNNERS, LINKED BY ONE OR MORE LATERAL CROSS BEAMS. HINGED OR LOST MOTION CONNECTIONS ARE PROVIDED BETWEEN THE ENDS OF THE PROPS AND THE CANOPY AND BASE FRAME AND BETWEEN THE FLAP AND THE CANOPY AND HYDRAULIC RAM MEANS IS CONVENIENTLY MOUNTED ON THE BASE FRAME FOR CONNECTING TO A CONVEYOR FRAMEWORK OR THE LIKE, TO EXTEND OR RETRACT THE SUPPORT RELATIVE TO THE FRAMEWORK AND FACE BEING WORKED.

公开(公告)号：US4900091A

公开(公告)日：1990-02-13

申请号：US243066

申请日：1988-09-09

申请人： Gustav Neu ,  Ernst-Gunter Nerlich ,  Karl-Heinz Berger

发明人： Gustav Neu ,  Ernst-Gunter Nerlich ,  Karl-Heinz Berger

IPC分类号： E21D23/20

CPC分类号： E21D23/20

摘要： A mining system comprises a laterally deflectable segmented conveyor extending longitudinally along a longitudinal face from which material is to be cut, a mining machine displaceable longitudinally along the conveyor and engageable with the face to cut material therefrom and deposit in the conveyor, and a longitudinal succession of support frames each having a respective actuator connected to a respective segment of the conveyor and each also having a respective a respective retractile roof-engaging flap. The process of this invention comprises bracing the frames and conveyor in a safety zone immediately adjacent the mining machine against the roof with their flaps retracted. The machine is advanced in the safety zone while cutting the face in the safety zone, and the flaps of the frames in a zone immediately downstream of the safety zone are sequentially retracted and the flaps of the frames in a zone upstream of the safety zone are sequentially advanced. The number of frames in the upstream and downstream zone is determined by the stability of the material of the mine roof. The conveyor segments are meanwhile pushed toward the face by extension of the actuators of the frames in a second zone immediately upstream of the upstream zone and the frames are themselves drawn toward the face by contraction of the actuators of the frames in a third zone immediately upstream from the second zone.

摘要翻译： 采矿系统包括横向可偏转的分段输送器，其沿着要从其中切割材料的纵向表面纵向延伸;采矿机器，其沿着输送机纵向移动并且可与所述面部接合以从其中切割材料并沉积在输送机中，并且纵向连续 每个支撑框架各自具有连接到输送机的相应部分的相应致动器，并且每个支撑框架还具有相应的可收回的屋顶接合翼片。 本发明的方法包括在与采矿机相邻的安全区域中将框架和输送机支撑在顶板上并使其翼片缩回。 在安全区切割面时，机器在安全区中前进，紧邻安全区下游的区域中的框架的翼片顺序地缩回，并且在安全区域上游的区域中的框架的翼片是 顺序先进。 上游和下游区域的框架数量由矿山屋顶材料的稳定性决定。 输送段同时通过在紧邻上游区上游的第二区域中的框架的致动器的延伸而朝向面部推动，并且框架本身通过在紧邻上游的第三区域中的框架的致动器的收缩而朝向面部 从第二个区。