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    • 10. 发明授权
    • Pick system for mining ploughs, in particular coal ploughs
    • 采矿犁系统,特别是煤犁
    • US06186597B1
    • 2001-02-13
    • US09236972
    • 1999-01-26
    • Detlef HahnPeter WollenhauptErnst HeiderichGeorg MarkerPeter RichterWolfgang WaldReinhold Walter
    • Detlef HahnPeter WollenhauptErnst HeiderichGeorg MarkerPeter RichterWolfgang WaldReinhold Walter
    • E21C3518
    • E21C35/19E21C35/18E21C35/1936E21C2035/1826
    • In the plough pick arrangement according to the invention for mining ploughs or coal ploughs, the plough pick is held in the socket of a pick holder. On that side of the pick holder which is leading in the working direction of the plough pick a pick lead-through opening is provided through which the pick can be inserted by its shank until it reaches a rear stop and is retained by a securing device. The pick can be removed from the socket through the same opening, after the securing device has been released, when pick replacement is necessary. This makes it possible to insert the pick into and remove it from the pick holder, not from the working side, but from the front of the holder. The pick holder and the pick are preferably provided with co-operating bearing and guiding faces which are inclined at an oblique angle to a plane parallel with the working face so that the cutting bit of the pick moves away from the working face when the pick is removed.
    • 在根据本发明的用于采矿犁或煤犁的犁耙装置中,犁耙被保持在拣选架的插座中。 在犁镐工作方向上引导的拾取器保持器的一侧设置有拾取引导通孔,拾取头可以通过其被插入,直到其到达后挡块并被固定装置保持。 在固定装置被释放后,当需要更换换针时,可以通过相同的开口将插座从插座中取出。 这使得可以将拾取器插入拾取器固定器中,而不是从工作侧将其从夹具的前部移除。 拾取保持器和拾取器优选地设置有与平行于工作面的平面倾斜的配合轴承和引导面,使得拾取器的切割位置在工作面移动时远离工作面 删除。