A combination of a load cell and a tubular insert to be...

Details A combination of a load cell and a tubular insert to be... A combination of a load cell and a tubular insert to be...

G - Physics

01

B

G01B 7/16 (2006.01) G01L 1/22 (2006.01) G01M 13/00 (2006.01)

Patent

CA 2683164

The invention relates to a combination of a load cell (7) and a tubular insert (3) for mounting in a bore (2) in a machine component (1), wherein the load cell (7) is structurally connected to an inner sleeve (6), which is axially displaceable inside an outer sleeve (4), which is insertable in the bore (2), said inner and outer sleeves (6, 4) having portions with mutually tapering envelope surfaces facing each other, and means (5, 8, 11) being provided for displacing the inner sleeve (6) and the outer sleeve (4) axially relative to each other for expanding the outer sleeve (4) partially for increasing the grip between the insert (3) and the bore (2), thereby giving the load cell (7) a pretension sufficient for emitting signals representative for the current load acting on the machine component (1).

L'invention concerne une combinaison d'une cellule de charge (7) et d'un insert tubulaire (3) à monter dans un alésage (2) dans un composant de machine (1), la cellule de charge (7) étant structurellement raccordée à un manchon interne (6), qui est déplaçable, axialement, à l'intérieur d'un manchon externe (4), qui est insérable dans l'alésage (2), lesdits manchons interne et externe (6, 4) ayant des parties avec des surfaces d'enveloppe mutuellement effilées en regard l'une de l'autre, et un moyen (5, 8, 11) étant prévu pour déplacer le manchon interne (6) et le manchon externe (4) axialement l'un par rapport à l'autre pour dilater le manchon externe (4) partiellement afin d'augmenter l'adhérence entre l'insert (3) et l'alésage (2), donnant ainsi à la cellule de charge (7) une tension préalable suffisante pour émettre des signaux représentatifs de la charge actuelle agissant sur le composant de machine (1).

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