Abstract: A mechanical adjustment device of a sheave assembly of a mechanical lift installation, where the sheave assembly is equipped with rotary sheaves mounted rotating on a support frame comprising a shoe fixed by clamping means to a support of a pylon of the installation, comprises adjustment means of the incline, obtained after clamping, of the support with respect to the shoe in a lateral direction oriented in a direction parallel to the axes of rotation of the sheaves.

Abstract: A maintenance vehicle for performing operations along an aerial ropeway of a mechanical lift installation consists of a car suspended on the rope by connecting means which comprise a top part fixed to the rope, a bottom part fixed to the car, articulation means of the top part with respect to the bottom part, adjustment means of the angle between the bottom part and top part up to an inclined position of the car with respect to the vertical, and means for securing car in the inclined position.

Abstract: A device for guiding an aerial rope of a mechanical lift installation in which said rope, driven by a driving pulley set in motion by a drive motor, is equipped with roller sheaves for guiding the rope, mounted rotating on a support frame. Each guiding roller sheave comprises a sheave body delineating an annular groove at its periphery and a band with a high friction coefficient housed in the groove of the sheave body. The device comprises, associated with at least one of said sheaves, automatic detection means of a predefined wear threshold of the band of said associated sheave, and means for automatic stopping of said drive motor when said threshold is detected. The automatic detection means are formed by an electrically conducting element electrically insulated with respect to the sheave assembly and connected to the latter by fixing means in a transverse position where the rope automatically comes into contact with said element when the band of the associated sheave reaches the predefined wear threshold.

Abstract: A range of mixed support and compression sheave assemblies is formed from standard 2S2C modules each comprising: two compression sheaves (11) and two support sheaves (12) respectively mounted rotating freely on the ends of two pairs of holding arms (15,16; 18,19) articulated on one another by a first upper joint pin (17) and a second lower joint pin (20), a first damping element (24) inserted between two bearing edges (22,23) securedly fixed to the two holding arms (15,16) of the compression sheaves (11), a second damping element (27) inserted between two bearing edges (25,26) of the two holding arms (18,19) of the support sheaves (12), and a frame (28) connecting the first and second joint pins (17,20), said frame being arranged to be connected to the end of a beam (14) with a swivel-pin (21). Application: aerial ropeway transport installations.

Abstract: A range of mixed support and compression sheave assemblies is formed from standard 2S2C modules each comprising: two compression sheaves (11) and two support sheaves (12) respectively mounted rotating freely on the ends of two pairs of holding arms (15,16; 18,19) articulated on one another by a first upper joint pin (17) and a second lower joint pin (20), a first damping element (24) inserted between two bearing edges (22,23) securedly fixed to the two holding arms (15,16) of the compression sheaves (11), a second damping element (27) inserted between two bearing edges (25,26) of the two holding arms (18,19) of the support sheaves (12), and a frame (28) connecting the first and second joint pins (17,20), said frame being arranged to be connected to the end of a beam (14) with a swivel-pin (21).