Description of the device

Double-rail trolley (Z)

 

─     1: Hoist motor

─     2: Hoisting gear

─     3:Trolley frame

─     4: End carriage

─     5: Hoist trolley

─     6: Bottom block and load hook

─     7: Drive

 

 

Lowered double-rail trolley (ZA)

 

─     1: End carriage

─     2: Hoisting gear

─     3:Trolley frame

─     4: Drive

─     5: Bottom block and load hook

─     6: Hoist motor

─     7: Hoist trolley

 

 

Double-rail trolley with walkway (ZB)

 

─     1:Trolley frame

─     2: Hoisting gear

─     3: Hoist trolley

─     4: Hoist motor

─     5: Bottom block and load hook

─     6: Walkway

─     7: End carriage