The distinction of straight arm crane and folding arm crane

The distinction of straight arm crane and folding arm crane

• 1.The goods cannot exceed the height of the crane arm
• When driving, the following part of straight arm crane below the horizontal between the cab and truck carriage, the crane arm is longitudinal to mounted above truck carriage ,goods cannot exceed height of crane arm , and the folding arms are unrestricted. 
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• 2. truck mounted crane with straight arm of more wide working radius
• Under the same arm length, the telescopic arm can be extended by the way of the hanging wire hook, and the folding arm is not easy to be completed with the requirement of the truck crane.
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• 3. Straight arm can be easily controlled VTOL
• Telescopic Jane by the retraction of the wire rope hoisting mechanism, can strictly control hanging taking off and landing, and the folding arms lorry crane used hydraulic cylinder, very difficult to control the lifting vertical taking off and landing. 
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• 4.Straight arm crane operation is relatively simple 
• Telescopic boom truck crane with retractable steel wire reel lifting mechanism, operation is relatively simple, folding arm crane has a plurality of hydraulic cylinder, complete similar mechanical hand movements, more difficult to operate.
• 5. Telescopic chassis installation more easily
• Telescopic arm is relatively loose in structure, is conducive to the dispersion of the vehicle load, and the center of gravity is also far from the installation location, especially in the lifting of heavy loads, it is more conducive to the spread of the chassis axle load.