the height of the tower crane
1. Tower crane range
The horizontal distance between the center line of the tower swing and the center line of the hook, usually referred to as the radius of rotation or working radius.
The angle between pitch and horizontal angle is specified in the manual for the lifting arm of the movable arm variation. The range of movable arm variation is small, and the weight arm of horizontal arm type is always horizontal, and the range of variable amplitude is large.
Therefore, the tower crane with variable amplitude of the car has an advantage in the working range.
2. Tower lifting height
The lifting height also becomes the effective height of the hook, which is the vertical distance from the base surface of the tower crane to the hook support surface.
In order to prevent the lifting height of the tower crane from damaging the equipment, a height limiter is installed on each tower crane.
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