Improved chain wheel lifting mechanism for fork truck

The utility model discloses an improved chain wheel lifting mechanism for a fork lift truck, and relates to the field of design of manual hydraulic fork lift truck mechanisms, in particular to the field of design of manual hydraulic fork lift truck chain wheel mechanisms. The chain wheel frame is of a T-shaped mechanism, the chain wheels are placed at the two ends of the top of the chain wheel frame, each chain wheel is composed of an outer ring and an inner ring, balls are distributed in the middle of each chain wheel, and each ball is sleeved with a retainer and a dustproof cover. The outerside of the chain wheel is fixed through a limiting device installed on the chain wheel frame. According to the utility model, the integration of the bearing and the chain wheel is realized, the original mechanism is simplified, the mechanism is simpler and more convenient to install, the cost is saved, and the bearing capacity is improved. 本实用新型公开一种用于堆高车的改进型链轮升高机构，涉及手动液压堆高车机构设计领域，尤其涉及手动液压堆高车链轮机构设计领域。其包括：链轮、链条、链轮架、限位装置,链轮