| 摘要 |
PURPOSE: A counterweight lifting device is provided to reduce manufacturing costs by minimizing the stroke of a hydraulic cylinder. CONSTITUTION: A counterweight lifting device comprises a base bracket(21), a first rotating link(22), a second rotating link(23), a counter weight, and a rotary arm(24). The base bracket is located on one side of a car body frame of heavy equipment. The first rotating link has a back-end which is installed on the top of the base bracket. The second rotating link has a back-end which is installed on the lower part of the base bracket. The counter weight has an accommodation space in which an upper surface is opened to the outside. |
