Operator cabins for tower crane

Tower Crane – turning crane with a jib, fixed at the top of vertically located tower.

The main purpose of the tower crane - serve the territory of construction sites of buildings, warehouses, polygons, loading and unloading materials from vehicles when performing construction and installation and handling operations.

Types of Tower Cranes:

Hammerhead Crane

A hammerhead crane is the configuration most often associated with a tower crane. A long horizontal jib is attached to a vertical tower. One end of the jib extends horizontally over the worksite, while the other end has a counterweight. A trolley, which holds the lifting cable, travels along the length of the jib, and a tower crane can operate anywhere within the jib's radius. The operator rides in a cab at the intersection of the jib and tower. Hammerhead cranes typically require a second crane to assemble and disassemble them at the worksite. Self-lifting hammerhead cranes can insert and remove sections to their tower and change their height.

Self-Erecting Tower Cranes

A self-erecting crane can completely assemble itself at the job site without the need for a second crane. This provides an advantage in setup time and equipment costs. While some versions have an operator cab on the jib, self-erecting cranes are often remote-controlled from the ground. Self-erecting cranes are usually freestanding, and can be equipped to move around the job site. Some self-lifting cranes also have a telescoping tower, which allows the crane to work at multiple heights without reconfiguring the tower.

Luffing Jib Tower Crane

In tight urban work spaces, there is often insufficient clearance for the jib to rotate without being blocked by existing buildings. For such spaces, a luffing jib tower crane is used. While most tower cranes have a fixed horizontal jib, the operator can raise or lower a luffing jib to allow the crane to swing in a reduced radius. A luffing jib does not use a trolley like a conventional tower crane, but rather raises or lowers the jib as needed for lifts closer to the tower. Because of the added complexity, luffing cranes are more expensive, and only used when needed.

Equipment of tower crane cabins:

  1. Construction of crane cabin is made of steel pipe sections welded together.
  2. Indoor and outdoor construction crane control cabin is made of steel sheet, 2.5 mm thick, forming a strong element.
  3. The cavities are filled with insulation (mineral wool) with a thickness of 50 mm.
  4. The floor is made of multilayer removable panels and covered a dielectric mat. Cables and wires lay under the floor. In the space provided for the underground tunnel for cable needed to connect electrical equipment in operator control unit.
  5. The windows are made of transparent glass triplex.
  6. Provided the opening of the upper front window and upper side windows on the gas springs. Glass mounted inside the control cabin with the pressure angles, allows an easy replacement of glass. Privacy applies to all windows triple protection along the perimeter of the crane cabin.
  7. Protective grille on the lower glasses consists of two parts: the upper - removable to allow cleaning the glass, lower - not removable.
  8. Ceiling lamp 2x18W with switch, 220 V lamp connected by wires, which are brought under the floor.
  9. Possible lacquering and painting at the option of the Customer in accordance with the classification of colors RAL. According to GOST: the outer surface – white RAL 9003, interior – gray RAL 7047.

Possible options of tower crane cabins:

  1. Heating: air curtain (3 kW, 220V) or fan heater (2х2kW, 220V or 2x2kW, 380V).
  2. Document pocket.
  3. Metal thermos for drinking with fastening.
  4. Windshield wiper with washer tank on the front window, extra installation on the side windows.
  5. Sun rolled curtains on all the upper windows.
  6. Radio, CD-player.
  7. Additional sockets.
  8. Intercom.
  9. Bell loud fight.
  10. Safe load indicator.
  11. Convertible seat of trainee.
  12. Limit switch locking wicket of entrance platform.
  13. Control joysticks and other elements of command and control provided by the Customer in accordance with the electrical circuit.
  14. Indication panel on the rotary bracket.
  15. Metal first aid kit with a set of medicines.
  16. Rotary operator control unit KP-4-200.
  17. Coat hook.
  18. Fire extinguisher with bracket.
  19. Window type air conditioning on 2.5kW, 220V.
  20. Electrical cabinet according to information provided by the Customer electric scheme.
  21. Fast electrical connectors.

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