Title:
TRANSMISSION HOLLOW SHAFT, BOGIE COUPLER, AND MANUFACTURING METHOD FOR TRANSMISSION HOLLOW SHAFT
Document Type and Number:
WIPO Patent Application WO/2023/035843
Kind Code:
A1
Abstract:
The present invention provides a transmission hollow shaft, a bogie coupler, and a manufacturing method for a transmission hollow shaft. The transmission hollow shaft comprises a shaft body, a flange structure, and an end surface tooth structure; the shaft body is of a hollow conical tubular structure and is provided with a large end and a small end; the flange structure is provided at the large end of the shaft body; the end surface tooth structure is provided at the small end of the shaft body; the shaft body, the flange structure, and the end surface tooth structure are made of particulate reinforced metal matrix composites; a metal matrix of the particulate reinforced metal matrix composites is 6-series aluminum alloy or 7-series aluminum alloy; a reinforcement material is a nanoscale inorganic nonmetal compound particle; and the content of the reinforcement materials is 5%-20%.
Inventors:
LI CHEN (CN)
CUI YAOZHONG (CN)
XU ZHIXIN (CN)
CUI YAOZHONG (CN)
XU ZHIXIN (CN)
Application Number:
PCT/CN2022/111706
Publication Date:
March 16, 2023
Filing Date:
August 11, 2022
Export Citation:
Assignee:
CRRC DATONG CO LTD (CN)
International Classes:
F16D1/033; B21J5/00; B22C9/24; B61C9/44
Foreign References:
| CN113738774A | 2021-12-03 | |||
| CN113335329A | 2021-09-03 | |||
| CN112096727A | 2020-12-18 | |||
| CN104227349A | 2014-12-24 | |||
| CN214118791U | 2021-09-03 | |||
| CN108116427A | 2018-06-05 | |||
| CN110939663A | 2020-03-31 | |||
| DE2756445A1 | 1979-06-21 |
Attorney, Agent or Firm:
BEIJING INTELLEGAL INTELLECTUAL PROPERTY AGENT LTD. (CN)
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