Concrete supply arm with articulated sections

Details Concrete supply arm with articulated sections Concrete supply arm with articulated sections

E - Fixed Constructions

04

G

E04G 21/04 (2006.01)

Patent

CA 2298508

The invention relates to a concrete supply arm, to be mounted in particular on vehicule-transported concrete pumps, having several sections (11, 12) and articulating joints between said sections. In this arm the relative movement of the sections (11, 12) is performed, in correspondence of at least some of the articulating joints of the arm, by means of actuator mechanisms (23) consisting of a worm gear actuated by a hydraulic motor. Conveniently said actuators also comprise a locking brake.

L'invention concerne un bras d'alimentation en béton conçu particulièrement pour être monté sur des pompes à béton transportées sur un véhicule et possédant plusieurs parties (11, 12), ainsi que des articulations entre lesdites parties. Le déplacement relatif de ces parties (11, 12) du bras, par rapport à au moins quelques unes de ces articulations, est effectué par l'intermédiaire de mécanismes de commande (23) consistant en une vis sans fin entraînée par un moteur hydraulique. Ces mécanismes de commande comportent également, de préférence, un frein de blocage.

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