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:
Feb. 10, 2015
Filed:
Aug. 03, 2012
Shengkun Wang, Qiqihar, CN;
Yong Fu, Qiqihar, CN;
Linghan Yue, Qiqihar, CN;
Yongfeng Yi, Qiqihar, CN;
Junlin Zhang, Qiqihar, CN;
Shengkun Wang, Qiqihar, CN;
Yong Fu, Qiqihar, CN;
Linghan Yue, Qiqihar, CN;
Yongfeng Yi, Qiqihar, CN;
Junlin Zhang, Qiqihar, CN;
Qiqihar Railway Rolling Stock Co., Ltd., Heilongjiang, CN;
Abstract
The present invention discloses a ballast hopper car discharge door control system, comprising a control box, said control box comprises electrical pneumatic control system and receiving device; hydraulic system, connected to electrical pneumatic control system; manual control device and remote control device are operated to control opening or closing of ballast hopper car discharge doors; storage battery, configured to provide electrical pneumatic control system in said control box with continuous power supply and remote control device with charging power supply; pressure switch, arranged between control box and storage battery, said pressure switch is operated by pressure of air source to control connecting and disconnecting between storage battery and control box. The ballast hopper car discharge door control system provided by the present invention prevents false on-site operation of discharge door, thus prevents unexpected operation, improves discharging efficiency of ballast hopper car and reduces workload of operator.