The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 2015
Filed:
Jun. 27, 2011
Jiwen Peng, Shanghai, CN;
Zhiqiang Wu, Shanghai, CN;
Weichan Tan, Shanghai, CN;
Wei Zhao, Shanghai, CN;
Jiwen Peng, Shanghai, CN;
Zhiqiang Wu, Shanghai, CN;
Weichan Tan, Shanghai, CN;
Wei Zhao, Shanghai, CN;
Hunan Sany Intelligent Control Equipment Co., Ltd., Changsha, Hunan, CN;
Kunshan Sany Mechanical Co., Ltd., Jiangsu, CN;
Abstract
A buffer unit for the slewing platform of the tamping machine, comprising a slewing plafform, a slewing bearing and a chassis, the upper end of the said slewing bearing connects to the slewing plafform and the lower end of said slewing bearing connects to the chassis, the slewing platform can revolve around the chassis 360 degrees, further comprising a annular supporting slab, a hydraulic cylinder and a connecting rod, the annular supporting slab is fixed on the chassis by bolt. The hydraulic cylinder is fitted on the rear end of the central plane of the slewing platform, the piston rod head of the hydraulic cylinder connects to said connecting rod. The connecting rod can touch and support the annular base slab at any point of the direction of 360 degrees rotation when the hydraulic cylinder extends.