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Invention Grant
US08851395B2 Method for the application of a permanent electrical contact to the web of rails 有权
将永久电接触施加到轨道腹板的方法

Method for the application of a permanent electrical contact to the web of rails
Abstract:
Method for applying an electrical contact to a hole (2) of a metal wall portion (1), comprising the steps of providing a bush (12), a punch (11) with a shaft (16), an expansion portion (19) and a connecting portion (20) thereof, a pulling device (21) with an abutment portion (22) and a pulling mechanism (23) for engaging the punch (11) and to pulling it proximally with respect to the abutment portion (22), inserting the punch (11) in a passage hole (25) of the bush (12) so that the connecting portion (20) protrudes proximally from the bush and the expansion portion (19) is located on end (14), bush connecting the punch (11) to the pulling device (21), inserting the preassembled bush (12)-punch (11)-unit from a proximal side of the wall portion (1) distally in the hole (2) and activating the pulling device (21) to pull the punch (11) proximally through the bush, thereby radially expanding bush and permanently anchoring it in the hole (2).
Abstract(Chinese):

一种将电接触施加到金属壁部分（1）的孔（2）的方法，包括以下步骤：提供衬套（12），具有轴（16）的冲头（11），膨胀部分（19） 和其连接部分（20），具有抵靠部分（22）的牵引装置（21）和用于接合冲头（11）并且相对于邻接部分（22）向近侧拉动的牵引机构（23） 将所述冲头（11）插入到所述衬套（12）的通孔（25）中，使得所述连接部分（20）从所述衬套向近侧突出并且所述膨胀部分（19）位于所述端部（14）上，衬套连接 所述冲头（11）到所述拉动装置（21），将所述预组装的衬套（12）冲头（11）从所述壁部分（1）的基端侧向远侧插入所述孔（2）中并且启动所述牵引装置 （21）将冲头（11）向近侧拉动穿过衬套，从而径向扩张衬套并将其永久地固定在孔（2）中。

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