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:
Dec. 14, 2021
Filed:
Apr. 08, 2020
Hefei Design and Research Institute of Coal Industry Co., Ltd., Hefei, CN;
Hefei University, Hefei, CN;
Xuzhou Coal Mine Safety Equipment Manufacture Co., Ltd., Xuzhou, CN;
Qiang Qin, Hefei, CN;
Hongxin Yan, Hefei, CN;
Changhua Hu, Xuzhou, CN;
Qingyong Du, Xuzhou, CN;
Jianguo Ding, Hefei, CN;
Hefei Design & Research Inst. Of Coal Industry Co., LTD., Hefei, CN;
Hefei University, Hefei, CN;
Xuzhou Coal Mine Safety Equipment Manufacture Co., LTD., Xuzhou, CN;
Abstract
A cageway connecting device and connecting method thereof is invented, the device includes a connecting cageway, an upper cannula, a lower cannula, two first steel angles, a fixed block, a pin boss and a fixed pin. The connecting cageway is set between the upper cageway and the lower cageway. The upper cannula is fixed in the connecting cageway. The lower cannula is fixed in the connecting cageway. The two first steel angles are fixed on the connecting cageway. The fixed block is fixed on the upper cannula. The pin boss is fixed on the lower cageway. The fixed pin is passed through the first pin bore and inserted into the second pin bore. The invention improve the accuracy of the initial installation of the cageway and facilitate the replacement of the cageway. The first cageway beam is determined and controllable.