Telescopic Crawler Chassis And Engineering Machinery Therewith

摘要

the present invention is left endless track frame (2) and a right crawler frames (3) and, with the base plate (1), a left elastic cylinder 18, the right elastic cylinder 19 and it provides a left slide cross member (5,21) and, gongsak machine comprising a telescopic caterpillar undercarriage and the chassis comprising a right slide cross member (7,22). Stretching cylinder (18,19) is provided between the base plate and is mounted on the left side caterpillar hollow frame slide 4 to the base plate and one end of the slide cross member (5,21, 7, 22) is fixedly connected to the crawler frame the other end of the cross member is inserted into a hollow slide enabling science and technology, the right slide cross member is inserted into the hollow portion of the left slide cross member. According to the present invention, Ltd. is a state change or switch the machine more simple and high driving stability and work of the whole device is ever safe. ;