Height-adjustable movable hoisting device

The utility model relates to a height-adjustable movable hoisting device. According to the technical scheme, a balance weight limiting rod is connected to the left side of a chassis, a balance weightis installed on the inner side of the balance weight limiting rod, a second vertical support is longitudinally installed and fixed to the right side of the chassis, and the upper end of the second vertical support is connected with a first vertical support through a third fixing pin to form a liftable longitudinal support; the middle upper part of the liftable longitudinal support is connected tothe left side of the chassis through a tension rod and a tension sleeve to form a triangular fixing structure; fixed pulleys are arranged at the outer end of the second top beam and the upper end andthe lower end of the liftable longitudinal support respectively, a steel wire rope winds around the three fixed pulleys, one end is connected with a hook, and the other end is connected with a winch on the left side of the chas