摘要：【中文】本发明公开了一种位置测量系统，包括位置感应端，连接活塞杆，能够随活塞杆一起沿活塞杆的轴向运动；位置测量端，与缸体连接，用于测量与位置感应端之间的距离；导正装置，连接位置感应端与活塞杆，能够使得位置感应端相对于活塞杆转动；应用本发明的位置测量系统，能够有效减少位置感应端的磨损，本发明还提供了一种作动系统。 【EN】The invention discloses a position measuring system, which comprises a position sensing end, a position sensing end and a position sensing end, wherein the position sensing end is connected with a piston rod and can move along the axial direction of the piston rod along with the piston rod; the position measuring end is connected with the cylinder body and used for measuring the distance between the position measuring end and the position sensing end; the guide device is connected with the position sensing end and the piston rod and can enable the position sensing end to rotate relative to the piston rod; the position measuring system can effectively reduce the abrasion of the position sensing end, and the invention also provides an actuating system.

摘要：【中文】本发明提供的碳纤维复合铜钨合金材料及其制备方法和应用，以所述碳纤维复合铜钨合金材料的总质量计，该碳纤维复合铜钨合金材料由如下组分组成：碳纤维0.002‑0.2％，Cu 18‑22％，余量为钨和不可避免的杂质。通过对碳纤维的含量进行优化，并利用碳纤维高比表面积，解决了碳纤维与金属基体的界面润湿性问题，进而提高了碳纤维复合铜钨合金材料的热导率和强度，而且降低了成本、简化了工艺。 【EN】The invention provides a carbon fiber composite copper-tungsten alloy material and a preparation method and application thereof, wherein the carbon fiber composite copper-tungsten alloy material comprises the following components by mass: 0.002-0.2% of carbon fiber, 18-22% of Cu, and the balance of tungsten and inevitable impurities. By optimizing the content of the carbon fiber and utilizing the high specific surface area of the carbon fiber, the problem of interface wettability of the carbon fiber and a metal matrix is solved, the heat conductivity and the strength of the carbon fiber composite copper-tungsten alloy material are further improved, the cost is reduced, and the process is simplified.