Description of wall slewing cantilever crane：
Wall slewing cantilever crane( WSCC for short) is a special machine used in the workshop of machine manufacturing and assembling. It slews on the wall through the railmounted on the wall of multilayer assembly shop; it can make the best of the space structureof the workshop; saves the manufacture place and can operate flexible. The WSCC has two kinds according to the primary structural member: single girder ( see figure 1 and figure 2 )and double girder ( figure 3 ) . The trolley of single girder structure uses electric hoist; thetrolley of double girder structure has two kinds: rope trolley ( see figure 3 ) and standard trolley. The size of travelling rail can be designed according to the user’ s requirements.
E n vironm en t：
1. The power of crane is three-phase AC; rated frequency is 50HZ; rated voltage is 380V;
2. The temperature of working environment is - 20 —H 45 °C; the max. relative humidity is no less than
85%;
3. Working class of the crane is A3 〜A5;
4. Working environment of the crane is indoor;
5. The crane that has special requirements for environmental conditions shall execute thecontract articles.
Ord ering must kn o w：
The basic parameters ( rated lifting weight, lifting height and span, etc.) of the crane shallbe described clearly when the user orders goods or signs a contract so that the product whichmay satisfy the working condition can be supplied.
wall type cantilever crane