Hydraulic clamping device,申请号DK20100001097-传众专利搜索

Hydraulic clamping device

申请公布号：DK201001097(A)

申请号：DK20100001097

申请日期：2010.12.03

申请公布日期：2010.12.03

申请人：

NATIONAL OILWELL VARCO NORWAY AS

发明人：WEBB, JONATHAN GARRICK

分类号：E21B19/16;B25B13/50

主分类号：E21B19/16

摘要：A hydraulic c device (1), wherein a ciamping piece (4) is supported in a structure (2), and wherein a cylinder housing (36) of a hydraulic cylinder (26) is fixedly connected to the structure (2), the hydraulic cylinder (26) being arranged to exert, along a longitudinal axis (42) of the cylinder (26), a force against the c piece, and wherein a piston (32) in the hydraulic cylinder (26) is isolated from the c piece (6) with respect to forces acting perpendicularly relative to the longitudinal axis (42).