50-200t Bridge Launching Girder 180T Tube Beam Launcher Girder Beam Launching

50-200t Bridge Launching Girder 180T Tube Beam Launcher Girder Beam Launching

Double cantilever bridge machine One of the bridge construction machinery, this type of Soviet Union was used earlier. When introduced in 1948, the front and rear arms were made of steel plate beams, and the hoisting weight was 45 tons and 80 tons. In the 1950s, the arms were changed to a frame...

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Double cantilever bridge machine

One of the bridge construction machinery, this type of Soviet Union was used earlier. When introduced in 1948, the front and rear arms were made of steel plate beams, and the hoisting weight was 45 tons and 80 tons. In the 1950s, the arms were changed to a frame and the weight was developed to 130 tons.

This type of bridge machine cannot be used by itself, and it needs to be pushed by the locomotive. Its forearm is used to lift the beam, the rear arm is balanced, and the front and rear arms cannot swing in the horizontal plane. When bridging, it is often necessary to use a special 80-ton small flat car to transport the beam to the underside of the bridge arm's forearm (called “feeding beam”) to lift; in order to make the shunting operation convenient, each need to be laid at the bridge head. line. After the bridge erecting the beam, the axle weight is increased, and the new embankment of the bridge head is relatively soft. Therefore, reinforcement measures must be taken for the driving section of the hoisting beam of the bridge erecting machine, such as the heavy vehicle pressure rail and the insertion of the sleeper.

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