Lifting device of large lifting equipment and method for dismounting large lifting equipment

The invention relates to the technical field of large lifting equipment, and discloses a lifting device of the large lifting equipment. The lifting device comprises four lifting stand columns, each lifting stand column is provided with a lifting unit, the lifting devices on two lifting stand columns on opposite positions are provided with a lifting beam in a crossing manner, the invention furtherprovides a method for dismounting the large lifting equipment through application of the lifting device, through the lifting device, the lifting equipment is lifted, and then is dismounted from bottomto top, the dismounting process is simplified, and safety risks are reduced. 本发明涉及大型吊装设备技术领域，公开了一种大型吊装设备的提升装置，所述提升装置包括四个提升立柱，每个提升立柱上设置提升单元，相对位置的两个提升立柱上的提升装置跨设提升梁。以及应用提升装置对大型吊装设备进行拆卸的方法，通过提升装置将吊装设备提升后自下而上地对设备进行拆解，简化拆解过程，减少安全风险。