The invention relates to a rotational lifting device for maintenance. The rotational lifting device for maintenance is characterized in that a fixing piece fixed to a lifter is included; the fixing piece is provided with a first sleeve which is composed of a fixed part and a rotating part, the fixed part of the first sleeve is connected with the fixing piece, a stand column is arranged in the first sleeve, the lower end of the stand column is provided with multiple holes, and the stand column is in fixedly threaded connection with the rotating part of the first sleeve through the holes; a cross beam is transversely arranged at the top of the stand column, and a sliding rack assembly is arranged on the cross beam; the sliding rack assembly comprises plates which are arranged on the left side and the right side in an opposite mode, the plates are fixedly connected with each other through a bolt, a second sleeve is arranged on the bolt located between the plate on the left side and the plate on the right side in a sleeving mode, a shaft is connected between the plate on the left side and the plate on the right side, and the upper portion of the plate on the left side and the upper portion of the plate on the right side are provided with rolling wheels through wheel shafts respectively; the fixed part of the first sleeve is provided with a bolt, one end of the bolt abuts against the side portion of the stand column, and the other end of the bolt is welded with round steel. The rotational lifting device for maintenance solves the problems that the space field is limited and the lifting device is inconvenient to carry in the maintenance process.
Rotational lifting device for maintenance
30.09.2015
Patent
Elektronische Ressource
Englisch
IPC: | B66C Krane , CRANES |