QQ客服 官方微博 反馈留言

浏览/检索结果: 共4条，第1-4条 帮助 限定条件 发表日期：2014    内容类型：专利     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Framework shear type piezoelectric friction damping device has damping device which is positioned along groove of connecting element between steel plates, and damping pad and piezoelectric element are connected through bolt and nut. 专利 申请日期: 2014-01-01, 公开日期: 2014-11-19 作者:  YANG Y WU Q YING X 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/11 Ship docking platform arm sliding type anti-collision connecting device, has platform fixed with hoisting machine and bi-directional shaft, and truss arm fixed with upper end machinery hand and telescopic unit. 专利 申请日期: 2014-01-01, 公开日期: 2014-12-03 作者:   收藏  |  浏览/下载：6/0  |  提交时间：2019/12/11 Winding wrapping type inland river ship channel bridge pier anti-collision device, has bridge pier whose outer surface is provided with protective plate, and first rubber layer and second rubber layer connected with carbon fiber layer. 专利 申请日期: 2014-01-01, 公开日期: 2014-10-29 作者:  YANG Y WU Q YING X 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/11 Multi-variable time-lag composite laminated variable damping device, has pressure plate formed with tooth groove, circuit board connected with sensor, and vibration isolation device body connected with rubber coating layer. 专利 申请日期: 2014-01-01, 公开日期: 2014-12-03 作者:  YANG Y WU Q YING X 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/11