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    • 5. 发明授权
    • Apparatus for drawing the shearers
    • 绘图机的设备
    • US4099786A
    • 1978-07-11
    • US775141
    • 1977-03-07
    • Shigeo NakajimaHajime Endo
    • Shigeo NakajimaHajime Endo
    • E21C29/14E21C29/18E21C27/34
    • E21C29/18
    • Apparatus for drawing shearers comprises a conveyor on which the shearers move with sledges interposed therebetween and which is arranged along a long-walled pit face of a coal mine shearers drawing cable is arranged in fixing members which are arranged on the conveyor, and a pair of means are provided for releasing and fixing the cable from and into the fixing members, the means being arranged adjacent to the sledges and the cable located between the cable releasing and fixing means being engaged with a cable driving means housed in each of the shearer bodies, wherein a drawing force is applied only to the cable located between the cable releasing and fixing means when the driving means is rendered operative.
    • 用于牵引剪纱机的设备包括一个输送机,剪纱机在其上移动,其间插有雪橇,并沿着煤矿剪切机拉丝电缆的长壁坑面布置,布置在布置在输送机上的固定件中, 提供用于将电缆从固定部件释放和固定到固定部件上的装置,该装置邻近滑板布置,并且位于电缆释放和固定装置之间的电缆与容纳在每个采煤机主体中的电缆驱动装置接合, 其中当驱动装置可操作时,拉力仅施加于位于缆索释放和固定装置之间的缆索。
    • 10. 发明授权
    • Apparatus for automatically shifting the conveyor at the pit face in the
coal mine
    • 用于在矿井的坑面自动移动输送机的装置
    • US4099781A
    • 1978-07-11
    • US784750
    • 1977-04-05
    • Isao SawayamaHajime Endo
    • Isao SawayamaHajime Endo
    • E21D23/16E21C35/14E21F13/08E21C35/08
    • E21C35/14
    • Apparatus employed at the long-walled pit face in the coal mine so as to shift the conveyor toward the pit face wherein the conveyor which is arranged in front of the pit face and on which the shearer travels, is divided into several individual portions, and responding to signals transmitted from a position sensor arranged in each portion of the conveyor, a position signal generator attached to the shearer and a stroke sensor attached to one of hydraulic cylinders belonging to each portion on the conveyor, a group of electromagnetic valves for rendering operative the hydraulic cylinders which belong to that portion of the conveyor to be shifted are controlled so as to shift automatically when required only the corresponding portion of the conveyor.
    • 在矿井的长壁坑面采用的装置,以便使输送机朝向坑面移动,其中布置在坑面前方并且在其上行进的输送机被分成几个单独的部分,以及 响应于从布置在输送机的每个部分中的位置传感器发送的信号,附接到采煤机的位置信号发生器和附接到属于输送机上的每个部分的液压缸之一的行程传感器,一组电磁阀,用于使操作 属于要移动的输送机的那部分的液压缸被控制成仅在需要输送机的相应部分时自动地移动。