China Railway Tunnel Group (East Crane Crane)
China Railway Tunnel Group tire crane is an all-slewing crane that is mounted on a special chassis composed of heavy-duty tires and axles. Its upper structure is basically the same as that of crawler cranes. , The crane is equipped with four telescopic outriggers. On flat ground, it can be lifted with small lifting weights and low speeds without lifting legs. It consists of two parts, getting on and off. The upper part is a lifting operation part, which is provided with a boom, a lifting, a luffing, a balance weight, and a turntable; the lower part is a support and a walking part. The upper and lower vehicles are connected by a slewing bearing. When lifting, generally need to lower the outriggers, increase the support surface, and level the fuselage to ensure the stability of the crane.
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