My Tentative View on the Tech-features of the Three Types of Cot Telescoping Machines

Through comparison analysis of the working know-how plus advantages and the disadvantages of the the conventional cot telescoping machines of hydraulic horizontal,phneumatic standing and hydraulic standing,esp.the two hydraulic telescoping machines regarding the telescoping effect.Conclusion is made that the hydraulic standing cot telescoping machine is good in stable conveying,good concentricity and excellent telescoping effect,yet with poor automation.