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  • 决定液压螺栓拉伸器价格的因素是什么
  • 本站编辑:杭州雷恩液压设备制造有限公司发布日期:2021-03-30 16:53 浏览次数:
螺栓拉伸器一般由液压泵、高压软管、压力表和拉伸体组成。其中液压泵为动力源,压力表反映泵的输出压力,高压软管联接液压泵和拉伸体。拉伸体是实现螺栓拉伸的执行元件。主要由活塞缸、活塞、支承桥和拉伸螺母组成。
 
Bolt stretcher is generally composed of hydraulic pump, high pressure hose, pressure gauge and stretcher. The hydraulic pump is the power source, the pressure gauge reflects the output pressure of the pump, and the high-pressure hose connects the hydraulic pump and the stretching body. The drawing body is the executive component to realize the bolt stretching. It is mainly composed of piston cylinder, piston, supporting bridge and tension nut.
 
工作时,动力源输出的高压油经高压软管输送至活塞缸3,在压力作用下活塞缸中的活塞上移,带动拉伸螺母向上移动。拉伸螺母与工作螺栓螺纹联接,从而拉长工作螺栓,使螺栓伸长达到所要求的变形量,变形控制在弹性变形范围之内,然后进行预紧或拆卸作业,最后通过液力或者机械回位的方式使工作螺栓回复原来的形状,完成作业。
 
When working, the high-pressure oil output by the power source is sent to the piston cylinder 3 through the high-pressure hose. Under the pressure, the piston in the piston cylinder moves up and drives the pull nut to move up. The stretching nut is connected with the working bolt thread, so as to lengthen the working bolt, so that the bolt elongation reaches the required deformation, and the deformation is controlled within the elastic deformation range. Then the pre tightening or disassembly operation is carried out, and finally the working bolt is restored to its original shape by hydraulic or mechanical return to complete the operation.

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