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:
Apr. 26, 2016
Filed:
Mar. 16, 2011
Xiaogang Yi, Changsha, CN;
Xionghui Miao, Changsha, CN;
Shijian Liu, Changsha, CN;
Hunan Sany Intelligent Control Equipment Co., Ltd., Changsha, CN;
Sany Heavy Industry Co., Ltd., Changsha, CN;
Abstract
A concrete pumping structure and a control method thereof are disclosed. The concrete pumping structure includes a first pumping cylinder structure and a second pumping cylinder structure. Each pumping cylinder structure includes a delivery cylinder (), a water tank () and a driving oil cylinder (). The delivery cylinder () has a concrete piston assembly () inside, and during the pumping process, a piston rod () of the driving oil cylinder () drives the concrete piston assembly () to reciprocate in the delivery cylinder (), and the water tank () is positioned between the delivery cylinder () and the driving oil cylinder (). The concrete pumping structure also includes a concrete return hydraulic system, which controls the two driving oil cylinders () and drives the two concrete piston assemblies () to return back to the water tank () during returning the concrete.