公开(公告)号：US5979738A

公开(公告)日：1999-11-09

申请号：US19503

申请日：1998-02-05

申请人： Sergei I. Kuchuk-Yatsenko ,  Vassilii A. Sakharnov ,  Valerii G. Krivenko ,  Mikhail V. Bogorskii ,  Fedor K. Porkhun ,  Victor N. Golovachev ,  Alexandr P. Miroshnickenko ,  Victor Gr. Shkurko ,  Fedor A. Andrienko ,  Yaroslav I. Mikitin

发明人： Sergei I. Kuchuk-Yatsenko ,  Vassilii A. Sakharnov ,  Valerii G. Krivenko ,  Mikhail V. Bogorskii ,  Fedor K. Porkhun ,  Victor N. Golovachev ,  Alexandr P. Miroshnickenko ,  Victor Gr. Shkurko ,  Fedor A. Andrienko ,  Yaroslav I. Mikitin

IPC分类号： B23K11/04

CPC分类号： B23K11/046 ,  B23K2201/26

摘要： A machine for flash-butt welding of rails, incorporates two tong-type clamping devices made in the form of two two-arm levers carried by a common central axle with insulation from each other and capable of being displaced along the axle relative to each other by two flashing-upsetting hydraulic cylinders connecting them and having bimetal current-carrying rods. Each of the two-arm levers is hinged at one end to the rod or the clamping hydraulic cylinder case, respectively, and the other end is fitted with the clamping and current-carrying jaws. Two welding transformers built into the hollow two-arm levers of one of the two tong-type clamps are joined by current-carrying jumpers through the current-carrying part of the rods of the flashing-upsetting hydraulic cylinders to the current-carrying clamping jaws. A clamping hydraulic cylinder is made with a hydraulic intensifier built into its rod. A reflux valve with a calibrated spring and shank is built into the plunger-rod of the hydraulic intensifier, and a pressure valve is mounted on the hydraulic intensifier cover-lug, this valve being connected by the internal valves with the hydraulic intensifier cavities. The flashing-upsetting hydraulic cylinders being made in the form of tandem-cylinders, wherein two pistons separated by a partition are mounted on a common rod in each hydraulic cylinder.

摘要翻译： 一种用于轨道对接焊的机器，包括两个钳形夹紧装置，它们由两个双臂杆形式组成，两个双臂杆由共同的中心轴承载，彼此绝缘并能相对于彼此沿着轴移位 通过连接它们并具有双金属导流杆的两个闪烁镦粗液压缸。 每个双臂杆的一端分别铰接到杆或夹紧液压缸壳体上，另一端装有夹紧和载流爪。 两个钳形夹具中的一个的中空双臂杆中的两个焊接变压器通过载流跳线通过闪烁镦锻液压缸的杆的载流部分连接到载流夹钳 。 夹紧液压缸由其杆内装有液压增压器制成。 具有校准弹簧和柄的回流阀内置在液压增压器的柱​​塞杆中，并且压力阀安装在液压增压器盖板上，该阀通过内部阀与液压增压器腔连接。 闪烁镦粗液压缸以串联气缸的形式制成，其中由分隔件分隔的两个活塞安装在每个液压缸中的公共杆上。