Box Type Double Girder Portal Crane 20 Ton

                                     Box type double girder portal crane 20 tonBox type double girder portal crane 20 ton also called gantry crane or goliath crane, it is a kind of track travelling mid-heavy typecrane, can be used where overhead runways are not practical, or in open areas where columns cannot be accommodated. The topmain girder is mounted on two A shape columns which are further resting on wheel mounted end carriages.This crane is widely applied to do loading and unloading work in outdoor. Such as material stocks area, cement plant, graniteindustry, construction industry, and engineering industry and so on.It has features of beautiful and durable appearance, perfect performance, low cost, easy maintenance, high adaptability and soon.It is composed of beam, support legs, crane travelling mechanism, trolley, electric equipment and so on.It could be special design and customize by clients' requirement. Parts show:Main technical parameter:Rated load/ton50  75 100 150 200Span/m10-40     Lifting height/m30     Working classA5/2M     Lifting speed/m/min 5.96.0  4.4 3.22.4 Trolley running speed/m/min 38.4 38.4 33.8 30 25Crane running speed/m/min 30 3030 30  30Dead weight/t112~185 148~220172~265  215~300 245~380 Number of wheel  8 16 16 24 24Max. wheel pressure/KN 288~375 210~255 255~310 230~285 295~355Steel track recommended QU70 QU100 QU100 QU100 QU100 Power supply3AC  220~480V  50/60Hz     /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1