Apparatus for adjusting and indicating the tension in a guy line

Details Apparatus for adjusting and indicating the tension in a guy line Apparatus for adjusting and indicating the tension in a guy line

1981-11-23

1984-01-03

Swisher, S. Clement

Measuring and testing

Dynamometers

Responsive to force

7386258, 254257, G01L 504

Patent

active

044236395

ABSTRACT:
A tension indicator used on a guy line system of an inclined oilwell derrick, comprising a hydraulic compression load cell, a pair of interlocking U-shaped yokes housing the load cell between the bases of the U-shaped portions, a plunger connected to the load cell bearing against the base of one interlocking yoke, the load cell bearing against the base of the other interlocking yoke, a walking load binder mounted on the outer end of a first interlocking yoke and providing an initial tension load to the guy line system, a threaded nut and screw adjustment assembly affixed to the outer end of a second interlocking yoke and providing a finer adjustment of the tension provided by the walking load binder, a pair of attachment hooks rotatably mounted on the outer ends of the tension indicator device for inserting the tension indicator device between a set of intermediate chains connected in a guy line, and a calibrated pressure gauge directly attached to the load cell; whereby the interlocking yokes transfer a linear tension load in the guy line into a compressive in the load cell; by and wherein the compressive force is transmitted as a pressure signal to the pressure gauge.

REFERENCES:
patent: 2328364 (1943-08-01), Taylor
patent: 2376037 (1945-05-01), Davies et al.
patent: 2550440 (1947-12-01), Atkisson
patent: 2640353 (1953-06-01), Hefner
patent: 3382713 (1968-05-01), Chutter

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