RIGGING SYSTEM FOR FORMWORK, SCAFFOLDING OR MOVING LOADS IN GENERAL

摘要

The invention relates to a rigging system comprising an upper head (5) which is fastened to the deck (3) and solidly connected to the body of a hydraulic cylinder (6) having a rod that is connected to a lower head (7). According to the invention, both of the aforementioned heads (5 and 7) are equipped with a body (8) having upper (9) and lower (10) flanges defining guides which brace the mast (1). Moreover, each of the heads is provided with a rocker (11) which can act on flanges or blocks (14) that are distributed along the length of the mast (1). The rocker is mounted to a transverse shaft (12) against the action of a spring (13) which acts permanently on the rocker in all of the operating positions thereof and, since it is solidly connected to the transverse shaft (12), an external hand-actuated lever (19) is provided which can be used to rotate the shaft (12) in order to alter the position of the rocker in relation to the mast (1). The inventive system also comprises a safety device which can be used to limit the positions of the rocker.