Mobile counterweight equipment of crawler crane and the crane including the equipment

US8870001B2 · kind B2 · utility

Assignee

• Shanghai Sany Science and Technology Co., Ltd · CN

Inventors

• Linrui Sun · Shanghai, CN
• John M. Lanning · Cato, US
• Liangjian Li · Beijing, CN
• Biwen Qiu · Shanghai, CN
• Hua Wan · Kunshan, CN
• Hui GUO · Hong Kong, CN

Key dates

• Filing date: Apr 11, 2012
• Grant date: Oct 28, 2014
• Expiry date: Jul 11, 2032

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B66C23/76
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

Provided is a mobile counterweight equipment of crawler crane, which includes a main platform, wherein the said mobile counterweight equipment further includes a pair of sliding rails on two sides of the main platform, a slider and counterweight equipment on the sliding rails; the counterweight equipment is connected to the slider, the slider sliding back and forth on the sliding rails. Accordingly, total weight of the counterweight is greatly reduced, the structure is simplified and it is easy to operate and to maintain.