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    • 91. 发明授权
    • Mineral mining installations
    • 矿产安装
    • US3765723A
    • 1973-10-16
    • US3765723D
    • 1971-12-17
    • GEWERK EISENHUETTE WESTFALIA
    • LOBBE ARAFAEL W
    • E21C35/12E21C27/35
    • E21C35/12
    • A mining installation is composed of a longwall conveyor having a plough guide member pivotably attached to its mineral face side by way of plates or the like. A floor rail or a series of control beams is disposed beneath the conveyor and is used to pivot the guide member about an axis extending parallel to the longitudinal axis of the conveyor in order to control the position of the plough moved along the guide member. A piston and cylinder unit disposed at the goaf side of the conveyor can be used to move each control beam relative to the conveyor. Alternatively a shifting ram normally used to advance the conveyor can be used to move each control beam, and in this case L-shaped rails can be attached to the goaf side of the conveyor. Each rail has a bore alignable with one of a series of bores in the associated control beam. A push-in bolt can lock the rail to the beam so that the normal advancement of the conveyor can take place by operation of the shifting ram. In another construction the floor rail is attached to the cylinder of a piston and cylinder unit and the piston rod of the unit is connected to the goaf side of the conveyor. A telescopic prop is used to clamp the cylinder of the unit so that pivoting of the guide member can be effected through lateral movement of the conveyor.
    • 采矿设备由长壁输送机组成,该长边输送机具有通过板或类似物可枢转地附接到其矿物面侧的犁引导构件。 地板轨道或一系列控制梁设置在输送机下面,并且用于围绕平行于输送机的纵向轴线延伸的轴线枢转引导构件,以便控制沿引导构件移动的犁的位置。 设置在输送机侧面的活塞和气缸单元可用于相对于输送机移动每个控制梁。 或者,通常用于推进输送机的换档拉杆可以用于移动每个控制梁,并且在这种情况下,L形导轨可以附接到输送机的侧面。 每个轨道具有可与相关联的控制梁中的一系列孔中的一个对准的孔。 推入式螺栓可以将轨道锁定到梁上,使得输送机的正常进给可以通过移动压头的操作而发生。 在另一种结构中,地板导轨连接到活塞和气缸单元的气缸,并且单元的活塞杆连接到输送机的侧面。 伸缩式支架用于夹紧单元的圆筒,使得导向构件的枢转可以通过输送机的横向运动来实现。
    • 92. 发明授权
    • Chain guiding structure for longwall mining
    • 长城采矿链指导结构
    • US3726564A
    • 1973-04-10
    • US3726564D
    • 1971-06-23
    • GEWERK EISENHUETTE WESTFALIA
    • BREUER OSTEINKUHL BHAUSCHOPP AOSTROP B
    • E21C35/12E21C27/34
    • E21C35/12
    • A mineral mining installation with a conveyor extending alongside a mineral face and a plough movable along the conveyor to win and load mineral into the conveyor. The plough is driven by a chain circulated in haulage and return runs arranged one above another at the side of the conveyor remote from the mineral face and these chain runs are disposed in guide channels defined between plates attached to the side of the conveyor and covers attached to the plates. The guide channels are separated by elongate slide members arranged end-to-end between the plates and the covers. The upper chain run slides in contact with the slide members over its entire length to inhibit whipping of the chain.
    • 矿物开采装置,带有沿矿物面的输送机和沿着输送机移动的犁,以将矿物质运送到输送机中。 犁由链条循环,链条在离开矿物面的输送机侧面一个在另一个上方布置,并且这些链条设置在引导通道中,引导通道限定在连接到输送机侧面的板和附接的盖 到盘子 引导通道由在板和盖之间端对端布置的细长滑动构件分开。 上链运行在其整个长度上与滑动构件接触滑动以抑制链条的鞭打。