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Hammerhead Tower Crane

, QTZ40 (4808)
Description
The QTZ40 (4808) hammerhead tower crane is a 4t tower crane. That means its maximum lifting capacity is up to 4 tons. In addition, the maximum lifting moment is 40t·m and effective working radius ranges in 3- 48m. Its free standing hook height is 29m, and with addition of anchorage devices, the slewing tower crane can reach up to 120m. For more information about this building machinery, please browse further or contact us at any moment.
Balance Weight
Foundation Load
(1) Vertical force V, (2) Tilting moment M, (3) Torque Mk, (4) Horizontal force H
V(KN) H (KN) MK (KN · m) M (KN · m) F1 (KN) F2 (KN)
● 344 ● 14 ● 98.6 ● 408 ● 298 ● 126
■ 280 ■ 56.5 ■ 0 ■ 611 ■ 387 ■ 247
●: In service, ■: Out of service, F: Force of Reaction
Load Diagram
Wall Anchoring Assembly
Mechanisms of the Hammerhead Tower Crane
Hoisting
Hammerhead Tower Crane, QTZ40 (4808)
Fall /
Hammerhead Tower Crane, QTZ40 (4808)
Hammerhead Tower Crane, QTZ40 (4808)
Speed M/min 10.9 35 71 5.4 17.5 35
Max. lifting capacity t 2 2 0.8 4 4 2
Power kW 15/15/4
Trolleying
Hammerhead Tower Crane, QTZ40 (4808)
Speed M/min 40/20
Power kW 2.4/1.5
Slewing Jacking
Hammerhead Tower Crane, QTZ40 (4808)
Hammerhead Tower Crane, QTZ40 (4808)
Speed R/min 0.62
Power kW 3.7
Speed M/min 0.4
Operating pressure Mpa 20
Power kW 3
Total power
kW 21.1 (Without jacking mechanism)
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