Shipbuilding Gantry Crane

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Shipbuilding gantry crane
  • Shipbuilding gantry crane
  • Shipbuilding gantry crane
  • Shipbuilding gantry crane
  • Shipbuilding gantry crane
Shipbuilding gantry crane is special for the fragmented transport, end-to-end joint and turning operation of large ship hulls.
  • Description
  • Parameters

Shipbuilding gantry crane is special for the fragmented transport, end-to-end joint and turning operation of large ship hulls. ME shipbuilding gantry crane is used in the place of manufacturing of ship and dock. Compared with the traditional portal crane, large shipbuilding gantry crane has the obvious advantage of the installation and transportation of hull sections. It spans the dock (berth), and can provide on-site assembly service at the coverage plane in the dock, not only has the lifting, horizontal transport function, but also can implement hull air turnover, adjusting the fragment to the welding position of ship required.

Features:

It have multiple functions of single hanging, hoisting, turnover in the air, slight horizontal turnover in the air and so on;
The gantry falls into two categories: single girder and double girder. To rationally utilize materials, the girder adopts optimum design of variable section;
The gantry rigid legs with a single column and double column type for customer choice.
The upper trolley has two main hooks, which are separately fixed at both sides of the main beam, but the lateral movement can be individually or simultaneously 0 - 2m.
The lower trolley has a main hook and auxiliary hook, which fixed below at the center of the two girders; 
Both the upper trolley and the lower trolley can cross each other for operation;
All the lifting mechanism and traveling mechanism adopts frequency conversion speed regulating;
On the top of the girder at the side of rigid leg is equipped a jib crane to accomplish maintenance of upper and lower trolley;
In order to prevent the storm attack, such safe and reliable anti-wind devices as rail clamp and ground anchor are equipped.

 

Product specification   250t×60m 300t×108m 600t×60m
Working class   A5
Capacity Common lifting t 250 200 600
Turning over t 200 200 400
Span m 60 108 60
Hoisting height m 48 70 Above rail 40 Below rail 5
Upper trolley Capacity t 100×2 100×2 200×2
Hoisting speed m/min 0.5-5-10 0.5-5-10 0.4-4-8
Traveling speed 1~28.5 3~30 1~25
Lower trolley Capacity Main hook t 100 150 300
Sub hook 20 20 32
Hoisting speed Main hook m/min 0.5-5-10 0.5-5-10 0.4-4-8
Sub hook 10 10 10
Traveling speed 1~26.5 3~30 1~25
Maintenance hoist Capacity t 5 5 5
Hoisting speed m/min 8 8 8
Trolley speed 20 20 20
Rotating speed r/min 0.9 0.9 0.9
Gantry speed m/min 1~26.5 3~30 1~25
Max. wheel load kN 200 450 430
Power source   380V / 10kV; 50Hz; 3 Phase


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