Crane (Crane) belong to a lifting machinery, is a for loop, intermittent motion machine. A duty cycle comprising: means extract to extract the items lifted from, and then move to the designated place lower level items, followed by that extract unit returns...

Drive mode crane operating agencies can be divided into two categories: one for the central drive, which uses an electric motor to drive the long drive shaft on both sides of Active Wheel; the other for each drive that active on both sides of each wheel...

1. I-beam track suspension mounting and coupling beam track surface levelness and design elevation deviation should be controlled within a predetermined range. 2. The selection of the I-beam track inspection, the dimensions shall comply with the requirements....

Moving crane hoisted single beam due to low cost, economical and practical, low plant requirements, ease of installation and popular. But the crane start there, torsion and parking problems are not running simultaneously, so that the crane can not function...

The structure has an overhang, rotatable boom as the main force members, in addition to the lifting mechanism, but usually there is a rotating mechanism and variable radiation mechanism, by lifting mechanism, variable radiation mechanism, rotation mechanism...

Lifting injuries has the following characteristics: First, large-scale accidents, group-oriented, sometimes an accident involving many people, and may be accompanied by damage to a large area of ??equipment and facilities. Second, the type of incident...

By electrical and hydraulic system control agencies operated single girder overhead crane and machine movement, a variety of lifting operations. Control operating system includes various manipulation, display and related components and wiring, is the...

Metal structure is a metal material rolled steel (such as angle, channel, I-beam, steel, etc.) and steel as the basic components, by welding, riveting, bolting and other methods, according to a certain composition rules connections, bear grab overhead...

1, the unit should be placed 50-100 mm large mud bosses, from the side wall shall be left a meter space, bosses plane be smooth, level,materials lifting equipment various functional segments bolted, paragraphs and paragraphs of Room with foamed polyethylene...

1.1 Selection Enterprises in the purchase of cranes, from the weight of the first to consider such factors as the scope of use of the enterprise, the frequency of work, utilization, rated, select the appropriate requirements of the unit working-level...