Kama 14-ton truck crane

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Dongfang Special Automobile Crane

Dongfang Special Automobile specializes in the production of 3-16 tons of truck cranes, truck cranes, full name truck cranes. It is a kind of crane mounted on the chassis of a common car or a specially made car chassis. Its driving cab is set separately from the lifting control room. The advantages of this crane are good maneuverability and rapid transfer. The disadvantage is that the concept of a car crane is required to combine the car and the crane when working, and can work by itself without assembly. The outrigger cannot drive under load and is not suitable for soft or muddy fields. It is convenient and flexible for work, high in work efficiency, fast in transition, and improved in work efficiency. It is mainly used for engineering construction. Such as: highways, bridges, construction, emergency rescue, etc.

In general engineering, there is a rotating drum under the boom, which is wrapped with a steel wire rope, and the steel wire rope pulls the previous boom out through the pulley on the top of the next boom, and so on. When retracting, the drum reversely recovers the wire rope, and the boom retracts under its own weight. This rotating drum is driven by a hydraulic motor, so you can see two oil pipes, but don't use it as an oil cylinder.

In addition, some telescopic arms of automobile cranes are equipped with a plunger type cylinder, but this kind of application is very rare. Because the multi-stage plunger cylinder is expensive, and the boom will elastically bend when it is loaded, which has a great impact on the life of the cylinder. The construction industry has a rotating drum under the boom, which is surrounded by a wire rope, and the wire rope passes Pull the pulley on the top of the next boom to pull out the boom of the previous boom, and so on. When retracting, the drum reversely recovers the wire rope, and the boom retracts under its own weight. This rotating drum is driven by a hydraulic motor, so you can see two oil pipes, but don't use it as an oil cylinder.

In addition, some telescopic arms of automobile cranes are equipped with a plunger type cylinder, but this kind of application is very rare. Because the cost of the multi-stage plunger cylinder is expensive, and the boom will elastically bend when it is loaded, which has a great impact on the life of the cylinder. Hand-held brakes are generally not allowed when electric cranes are running. Otherwise, the transmission system parts will be damaged due to overload.

The electrical system of the truck crane chassis is used to undertake the work of starting, lighting and signaling of the car. The system electrical appliances adopt the single-wire system connection method. The rated voltage is 24 VDC, and the negative electrode is grounded. The electrical system is composed of two parts: power supply and electrical equipment. The power supply is composed of batteries, DC generators and regulators. The electrical equipment includes starters, lighting devices and signaling devices. The installation department requires car cranes.

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