Patent ID: 9488049
Filing Date: 2016-11-08
CPC Classification: E21D,G01L

Claim Text:
1. A tension meter for anchor rod with constant resistance and large deformation, comprising a pull rod, a hollow jack for tensioning an anchor rod, a rotation device for controlling a rotation angle of the hollow jack, a scissor type lifting platform for controlling a height of the hollow jack and a height of the rotation device, and a first hydraulic pump for driving the hollow jack to operate; wherein the hollow jack is fixed on the rotation device mounted on the scissor type lifting platform; wherein the rotation device comprises a container body, a container cover and a first jack; one edge of the container cover is hinged to an edge of the container body, the hollow jack is fixed on the container cover, one end of the first jack is hinged under the container cover, and the other end of the first jack is hinged in the container body to control the rotation of the container cover.