Measuring and testing – Dynamometers – Responsive to force
Patent
1993-02-23
1995-06-27
Chilcot, Jr., Richard E.
Measuring and testing
Dynamometers
Responsive to force
73862473, 73862391, 73862194, G01L 122
Patent
active
054269687
ABSTRACT:
A drive station for a mineral mining installation employs a plough box containing a chain wheel around which a drive chain for a mineral winning machine, such as a plough, is entrained. The chain wheel is supported on a shaft rotatably supported by bearings in a casing or housing fitted to the plough box. An access opening in the plough box enables the chain wheel to be fitted onto or removed from the shaft and a collar of the casing engages on a fitting ring inside the opening which locates the plough box and the casing or housing. The ring has a radial projection which extends into a pocket adjoining the access opening and a pair of pins which employ strain gauges engage on the ring projection to provide electrical signals indicating the tension in the upper and lower runs of the chain.
REFERENCES:
patent: 3504944 (1970-04-01), Holz et al.
patent: 3558104 (1971-01-01), McGinty
patent: 4350393 (1982-09-01), Heberling et al.
patent: 4389072 (1983-06-01), Linke et al.
patent: 4887991 (1989-12-01), Cwielong et al.
patent: 5053315 (1991-07-01), Merten et al.
patent: 5055092 (1991-10-01), Langenberg et al.
patent: 5171065 (1992-12-01), Steinkuhl et al.
Chilcot Jr. Richard E.
Dougherty Elizabeth L.
Westfalia Becorit Industrietechnik GmbH
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