50M Span 200T Bridge Erection Machinery Bridge Beam Launcher

50M Span 200T Bridge Erection Machinery Bridge Beam Launcher

The lifting trolley adopts a concave structural frame (as shown in the upper right figure). The running gear adopts the chain drive traction, and the heavy object transporter bears the weight. The hoisting mechanism of the lifting trolley is driven by a motor, and the built-in hoisting machine...

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Girder-Luncher2

The lifting trolley adopts a concave structural frame (as shown in the upper right figure). The running gear adopts the chain drive traction, and the heavy object transporter bears the weight. The hoisting mechanism of the lifting trolley is driven by a motor, and the built-in hoisting machine of the planetary gear reducer is driven. The high-speed shaft and the reel of the hoisting mechanism are provided with braking devices, and the high-speed shaft adopts a hydraulic push rod brake as a normal running brake, and the motor and the reducer are connected by a gear coupling with a brake wheel; The hydraulic disc brake is used as an emergency brake to ensure safe and reliable lifting beam operation.

The hoisting mechanism includes a hoisting hoist, a movable pulley block, a fixed pulley block, and an equalizing pulley. The pulley group has a magnification of 2×16, wherein the balance pulley frame is equipped with a load sensor, which can reflect the lifting load in real time. The hoist winch is a built-in hoist of the motor-driven planetary gear reducer, and the motor has its own brake device.

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