Patent · US Active

Tension meter for anchor rod with constant resistance and large deformation

US9488049B2 · kind B2 · utility

0Cited by
5References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 2011
Grant dateNov 8, 2016
Priority date
Expiry dateFeb 11, 2032

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01L5/0061
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A tension meter of an anchor rod with constant resistance and large deformation comprises a pull rod and a hollow jack. The meter further includes: a rotation device for controlling the rotation angle of the hollow jack; a lifter for adjusting the height of the hollow jack and the rotation device; a first hydraulic pump for driving the hollow jack, wherein the hollow jack is fixed on the rotation device mounted on the lifter. The meter has a large measurement range and a high load capacity.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.