METHOD AND APPARATUS FOR REMOTE COAL MINE LEAKAGE TEST
    1.
    发明申请
    METHOD AND APPARATUS FOR REMOTE COAL MINE LEAKAGE TEST 有权
    远程煤矿泄漏试验方法与装置

    公开(公告)号:US20150355258A1

    公开(公告)日:2015-12-10

    申请号:US14655564

    申请日:2013-11-07

    申请人: Chunping GUO

    发明人: Chunping GUO

    IPC分类号: G01R31/02 E21F17/04

    摘要: Provided are a method and apparatus for remote coal mine leakage test. The remote leakage test method comprising: installing and connecting a leakage test device (3) at the a control switch (2) located at the most distal end of a coal mine power line (5); a leakage detection and protection device (1) connecting the leakage test device (3) via the coal mine power line (5) and providing it with a detection circuit for detecting whether remote leakage has occurred; generating a grounding current flowing through the coal mine power line (5) by controlling the grounding of the leakage test device (3); the leakage detection and protection device (1) detecting the grounding current, and enabling a leakage protection relay (KA) to operate, so as to cut off the coal mine power line (5); and detecting the coal mine power line (5) or manually observing an indication lamp (HL), so as to determine whether the remote leakage test is successful. The coal mine remote leakage test device and method are safe, convenient and time-saving.

    摘要翻译: 提供远程煤矿泄漏试验的方法和装置。 所述远程泄漏测试方法包括:在位于煤矿电力线(5)的最远端的控制开关(2)处安装和连接泄漏测试装置(3); 泄漏检测和保护装置(1),经由煤矿电力线(5)连接泄漏测试装置(3),并提供检测电路是否发生远程泄漏; 通过控制泄漏测试装置(3)的接地产生流经煤矿电力线(5)的接地电流; 漏电检测保护装置(1)检测接地电流,并使漏电保护继电器(KA)工作,切断煤矿电力线(5); 检测煤矿电力线(5)或手动观察指示灯(HL),以确定远程泄漏测试是否成功。 煤矿远程泄漏试验装置和方法安全,方便,省时。

    Fluid supply duct and pickup for mining machines
    2.
    发明授权
    Fluid supply duct and pickup for mining machines 失效
    矿用机械的流体供应管道和拾取器

    公开(公告)号:US4072355A

    公开(公告)日:1978-02-07

    申请号:US708379

    申请日:1976-07-26

    IPC分类号: E21C35/08 E21F17/04 E21C35/22

    摘要: A duct for use with mine equipment is provided with an elongate aperture normally closed by a displaceable sealing means to retain a fluid, under pressure, within the duct, the sealing means, in use, being displaceable by fluid pick-up means carried by a mining machine to convey fluid from the duct to the machine. The invention also includes conveyor trough section provided with such a duct and a mining machine combination.

    摘要翻译: 与矿山设备一起使用的管道设置有通常由可移位的密封装置封闭的细长孔,以在流体内保持压力下的流体,密封装置在使用中可由通过流体拾取装置 采矿机将流体从管道输送到机器。 本发明还包括设置有这种管道的输送机槽段和采矿机组合。

    Cable protection equipment
    4.
    发明授权
    Cable protection equipment 失效
    电缆保护设备

    公开(公告)号:US4186553A

    公开(公告)日:1980-02-05

    申请号:US903874

    申请日:1978-05-08

    申请人: Kevin Fitchett

    发明人: Kevin Fitchett

    摘要: A chain for protecting electric and/or hydraulic supply cables to a mining machine repeatedly traversing to and fro. The links each comprising two elements which when connected define a passageway for the supply cables and which can be at least partially disconnected to permit access to the passageway, both the elements being pivotally attached to the elements of neighboring links.

    摘要翻译: 用于保护电动和/或液压供应电缆到采矿机械来回反复穿过的链条。 每个连接件包括两个元件,当连接时,该元件限定用于供应电缆的通道并且可以至少部分地断开以允许接近通道,两个元件枢转地附接到相邻链节的元件。

    Apparatus for handling flexible supply lines
    5.
    发明授权
    Apparatus for handling flexible supply lines 失效
    用于处理柔性电源线的装置

    公开(公告)号:US3721378A

    公开(公告)日:1973-03-20

    申请号:US3721378D

    申请日:1972-01-31

    发明人: HUGHES D MAESTEG D

    IPC分类号: E21F17/04 G03D15/08 B65H23/00

    CPC分类号: G03D15/08 E21F17/04

    摘要: SUPPLY LINE HANDLING APPARATUS FOR A MINING MACHINE CONSISTS OF A TROUGH SECURABLE TO A GUIDE FOR THE MACHINE. A BRACKET IS ATTACHED TO THE MACHINE AND CARRIES A FEED ARM THROUGH WHICH THE SUPPLY LINE PASSES TO THE MACHINE, THE ARM EXTENDING INTO THE TROUGH TO FEED THE LINE THEREINTO. THE TROUGH IS PROVIDED WITH A NUMBER OF DISPLACEABLE RESILIENT MEMBERS, FOR EXAMPLE LOOPS OF RESILIENT FLEXIBLE MATERIAL, WHICH PROVIDE A GATE ACROSS THE TROUGH. UPON MOVEMENT OF THE MACHINE THE MEMBERS ARE DISPLACED BY THE ARM WHICH FEEDS THE LINE INTO THE TROUGH BELOW THE MEMBERS WHICH, AFTER THE MACHINE HAS PASSED, RETURN TO THEIR ENTRAPPING POSITION AND RETAIN THE LINE WITHIN THE TROUGH.

    Cable holder having relatively rotatable parts
    7.
    发明授权
    Cable holder having relatively rotatable parts 失效
    电缆架具有相对可旋转的部件

    公开(公告)号:US4427170A

    公开(公告)日:1984-01-24

    申请号:US377189

    申请日:1982-05-11

    申请人: Thomas Truninger

    发明人: Thomas Truninger

    摘要: A holder device for a flexible power supply cable includes coaxial, relatively rotatable sleeve members with the cable extending through an annular space defined between the inner wall of the rotatable members and a guide ring fixed to one of the members, the cable being affixed to both members which are capable of relative rotation without interference by the cable.

    摘要翻译: 用于柔性电源电缆的保持装置包括同轴的,相对可旋转的套筒构件,其中电缆延伸穿过限定在可旋转构件的内壁之间的环形空间和固定到其中一个构件的导环,电缆固定到两个 能够相对旋转而不受电缆干扰的构件。

    Supply systems for mobile appliances, particularly mining machines
    8.
    发明授权
    Supply systems for mobile appliances, particularly mining machines 失效
    供应移动电器系统,特别是采矿机

    公开(公告)号:US4245726A

    公开(公告)日:1981-01-20

    申请号:US13903

    申请日:1979-02-22

    申请人: Dieter Kohler

    发明人: Dieter Kohler

    摘要: A duct section serves as part of a supply system for supplying electric power or a pressure medium to a mobile appliance and especially to a mining machine in a mine working where protection against explosion or fire is necessary. The duct section has a wall with a longitudinal slot therein and pick-up engages in the slot to collect the electric current or pressure medium. The slot is sealed with the aid of thin flexible sealing strips held flat against the inner and outer surfaces of the slotted wall. The pick-up is shaped to progressively deflect the strips away from the slotted wall to permit the passage of the pick-up and maintains the interior sealing with the aid of further seals slidable engaging with the slotted wall over the region where the strips are deflected.

    摘要翻译: 管道部分用作供应系统的一部分,用于向移动设备提供电力或压力介质,特别是在需要防止爆炸或火灾的矿山工作中的采矿机。 管道部分具有​​其中具有纵向狭槽的壁,并且拾取器接合在槽中以收集电流或压力介质。 借助于平坦地抵靠开槽壁的内表面和外表面的薄柔性密封条来密封槽。 拾取器被成形为逐渐地将条带偏离开槽壁,以允许拾取器通过并且借助于在带被偏转的区域上可滑动地与开槽壁接合的另外的密封件来保持内部密封 。

    Method and apparatus for remote coal mine leakage test
    10.
    发明授权
    Method and apparatus for remote coal mine leakage test 有权
    远程煤矿泄漏试验方法与装置

    公开(公告)号:US09575109B2

    公开(公告)日:2017-02-21

    申请号:US14655564

    申请日:2013-11-07

    申请人: Chunping Guo

    发明人: Chunping Guo

    IPC分类号: G01R31/02 E21F17/04

    摘要: Provided are a method and apparatus for remote coal mine leakage test. The remote leakage test method comprising: installing and connecting a leakage test device (3) at the a control switch (2) located at the most distal end of a coal mine power line (5); a leakage detection and protection device (1) connecting the leakage test device (3) via the coal mine power line (5) and providing it with a detection circuit for detecting whether remote leakage has occurred; generating a grounding current flowing through the coal mine power line (5) by controlling the grounding of the leakage test device (3); the leakage detection and protection device (1) detecting the grounding current, and enabling a leakage protection relay (KA) to operate, so as to cut off the coal mine power line (5); and detecting the coal mine power line (5) or manually observing an indication lamp (HL), so as to determine whether the remote leakage test is successful. The coal mine remote leakage test device and method are safe, convenient and time-saving.

    摘要翻译: 提供远程煤矿泄漏试验的方法和装置。 所述远程泄漏测试方法包括:在位于煤矿电力线(5)的最远端的控制开关(2)处安装和连接泄漏测试装置(3); 泄漏检测和保护装置(1),经由煤矿电力线(5)连接泄漏测试装置(3),并提供检测电路是否发生远程泄漏; 通过控制泄漏测试装置(3)的接地产生流经煤矿电力线(5)的接地电流; 漏电检测保护装置(1)检测接地电流,并使漏电保护继电器(KA)工作,切断煤矿电力线(5); 检测煤矿电力线(5)或手动观察指示灯(HL),以确定远程泄漏测试是否成功。 煤矿远程泄漏试验装置和方法安全,方便,省时。