Selection of Working Speed of Single Girder Overhead Crane

The working speed of the single girder overhead crane includes lifting speed, lowering speed, walking speed, etc., which are divided into normal speed, slow speed, and slight speed. The working speed of each institution is determined according to the needs of the work, mainly considering the following factors.

Nature of work: For those who work frequently or need to meet higher productivity requirements, the working speed of the mechanism is often high-speed; for cranes used on the production line or even engaged in rhythmic continuous production, the working speed of the mechanism is adapted to the rhythm of production ; For non-working movement mechanisms or mechanisms that only do adjustment work and rarely operate, generally use low speed.

Lifting capacity: use high speed for small and medium lifting capacity, and low speed for large lifting capacity, especially when there are two hoisting mechanisms, the main and auxiliary, the speed of the main hoisting mechanism is generally significantly lower than that of the auxiliary hoisting mechanism. the

The size of the working stroke: the crane with a large working stroke should use a higher speed, and the crane with a small working stroke often adopts a lower speed. The principle is to make the mechanism have a working section that runs at a stable speed, so as to avoid frequent failure to accelerate. It is necessary to immediately turn to the deceleration operation, which is always in an unstable operation situation. the

Comprehensive balance effect: especially for single girder overhead cranes with a certain period of operation, the lifting mechanism and translation mechanisms should be considered comprehensively when determining the working cycle diagram. One is to make full use of the possibility of simultaneous action of the two mechanisms; two. It is determined according to the optimal plan to save power and shorten the cycle time, so as to determine the working speed of each mechanism.