Q:What is the principle and purpose of the rotary joint of the truck crane center?

Is the rapid flow of water through the propeller will be converted into mechanical energy to promote its high-speed operation of the generator power generation

Q:What are the performance test standards for truck cranes?

(3) the safety performance of the truck crane should be consistent with gb6067-85 "lifting machinery safety regulations" requirement.

Q:Is the truck crane and truck crane mean?

The car crane is a specially designed car chassis, mainly lifting the weight of the object, and the range of activities is also great, the lifting capacity of the largest can reach 120 tons

Q:What is the principle of the arm boom of the boom-type truck crane?

Telescopic cylinder mainly from the lifting arm expansion and contraction,

Q:What is the difference between the main arm and the basic arm of a truck crane?

The secondary arm is for distinguishing from the main arm, and the auxiliary arm includes the first section of the auxiliary arm and the second section of the secondary arm (if there is a second section of the auxiliary arm).

Q:Why the car crane rotation angle can not be more than 45 degrees

About the rotation angle is too large, will make the center of gravity out of the scope of support, resulting in truck crane rollover.

Q:What are the characteristics of the development of car cranes abroad?

The use of remote control not only save manpower, improve work efficiency, but also to improve the working conditions of the operator.

Q:What is a wheeled crane

In fact, there is no cranes on the crane classification of such a statement!

Q:What is the speed limit of a motor vehicle crane?

When the mechanism or load falls, the balance valve in the balance valve can balance the oil return flow of the hydraulic cylinder (hydraulic motor) with the balance of the spool, so that the hydraulic cylinder (hydraulic motor) can maintain the speed movement.

Q:How does the car crane (wheeled car crane) overturn insurance claims?

If the purchase of vehicle loss insurance, car cranes (wheeled car crane) overturned losses caused by the insurance company is responsible for compensation 85%