Trolley Unit

A trolley unit suspended from a lifting joist running on the roof
A trolley unit suspended from a lifting joist running on the roof

The trolley unit is also known as the Building Maintenance Unit (BMU), or a roof-car. It is a machine equipped with an integrated lifting hoist, a jib and a cradle and running on the roof of a building.

It allows complete access to all external parts of the building at the touch of a button. Its movements are controlled safely from the push-button control panel. Access to the cradle and to its garage is from the roof and the operator has nothing to assemble or dismantle. The built-in safety devices control and monitor the operations of the unit to ensure safety.

The most commonly used trolley unit system used in the region are:

Fig 2 (Source: The TRACTEL Group)
Fig 2 (Source: The TRACTEL Group)
(Source: MHE DEMAC)
(Source: MHE DEMAC)
(Source: The TRACTEL Group)
(Source: The TRACTEL Group)

Cases

tcase1

Case 1

tcase2

Case 2

tcase3

Case 3

tcase4

Case 4

tcase5

Case 5

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Case 6

tcase7

Case 7

tcase8

Case 8