The gantry crane for shield is mainly used for the installation of the cutter head and the shield of the underground non-excavation equipment shield machine, and the lifting of the tunnel support tube during the construction process.
1. The trolley of this gantry crane is a rotating disc adapts to the demand of different digging direction with flexible operation;
2. The professional sling with 360°rotation, is suitable for the installation of the cutter head from different angles;
3. PLC frequency conversion adjustment system makes it easy to control every mechanism;
4. The hoisting adopts open gear to drive, which saves the cost.
The gantry crane for shield uses a special spreader, and the spreader can be rotated 360 degrees. Suitable for installation of different angles of the cutter head. The utility model adopts a double trolley structure, and the two trolleys can be linked together to lift the cutter cutter disc, and the lift pipe can also be separately operated. When there is a large lifting tonnage, the lifting adopts open gear transmission, which reduces the cost of equipment.
Lifting capacity | t | 400 | ||||||||||||
Working level | A3 | |||||||||||||
Span | m | 33 | 34 | |||||||||||
Lifting height | Main lifting | m | 24（up rail） /23（under rail） | 24（up rail） /23（under rail） | ||||||||||
Deputy lifting | 22（up rail） /26（under rail） | 22（up rail） /26（under rail） | ||||||||||||
Speed | Main lifting | m/min | 0.09~0.9 | 0.09~0.9 | ||||||||||
Deputy lifting | 7 | 7 | ||||||||||||
Crane travelling | 1.6~16 | 1.6~16 | ||||||||||||
Crab travelling | 1.15~11.5 | 1.15~11.5 | ||||||||||||
Dimensions | L1 | mm | 2500 | |||||||||||
L2 | 3500 | |||||||||||||
H1 | 3196 | |||||||||||||
H2 | 22000 | |||||||||||||
B | 14000 | |||||||||||||
B1 | 22800 | |||||||||||||
b1 | 1920 | |||||||||||||
b2 | 1250 | |||||||||||||
W | 4500 | |||||||||||||
D | 6000 | |||||||||||||
Max. wheel load | KN | 406 | 415 | |||||||||||
Rail recommended | QU100 | |||||||||||||
Power | Three-phase AC 50Hz 380V | |||||||||||||
Spreader rotation angle | ° | ±90° | ||||||||||||
Cutter diameter | m | 15 | ||||||||||||
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