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. 29, 2021
Filed:
Sep. 12, 2019
China University of Mining and Technology, Jiangsu, CN;
Zhencai Zhu, Jiangsu, CN;
Guohua Cao, Jiangsu, CN;
Gongbo Zhou, Jiangsu, CN;
Yu Tang, Jiangsu, CN;
Fan Jiang, Jiangsu, CN;
Yuxing Peng, Jiangsu, CN;
Gang Shen, Jiangsu, CN;
Hao Lu, Jiangsu, CN;
CHINA UNIVERSITY OF MINING AND TECHNOLOGY, Xuzhou, CN;
Abstract
A tension balance system for steel wire ropes on a friction hoisting driving end of an ultra-deep well includes a friction wheel, left and right guiding wheels, left and right steel wire ropes, left and right adjustment wheels, left and right rewinding wheels, left and right adjustment oil cylinders, a hydraulic pipeline, a pump station, a pipeline switch group, left and right hoisting containers, balance ropes, and reels. The friction wheel is disposed in the middle, the left and right adjustment wheels and the left and right rewinding wheels are circularly distributed around the friction wheel, the left and right guiding wheels, the left and right adjustment wheels, and left and right rewinding wheels are all symmetrically disposed on two sides of the friction wheel; both a quantity of left steel wire ropes and a quantity of right steel wire ropes are even numbers more than 2.