NEW EASILY REPLACEABLE HOB CUTTER SYSTEM AND INSTALLATION METHOD THEREOF

WIPO Patent Application WO/2020/220850

A1

Provided are a new easily replaceable hob cutter system and installation method thereof; a system comprises a blade holder (1) and a hob (4); the hob (4) is connected to the blade holder (1) by means of a blade shaft holder (2), and the blade shaft holder (2) is fixedly connected to the blade holder (1) by means of a telescopic tensioning mechanism (3) or a locking mechanism (5). The hob cutter system is designed as three parts, which are the blade holder, the blade shaft holder, and the locking mechanism or telescopic tensioning mechanism, thus changing the conventional cutter system structure so that the processes of installation, locking, and removal of the hob are easier, facilitating the automation of cutter replacement and providing technological support for highly efficient and safe "machine-human substitution" operation mode to perform cutter detection and cutter change operations.

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ZHUO PUZHOU (CN)
JIA LIANHUI (CN)
JIANG LIJIE (CN)
WEN YONGLIANG (CN)
YANG HANG (CN)
ZHAO MENGYUAN (CN)
YUAN XIAOWEI (CN)

PCT/CN2020/079640

November 05, 2020

March 17, 2020

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CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD (CN)

E21D9/087

WO2018086694A1

2018-05-17

CN109915161A	2019-06-21
CN209818066U	2019-12-20
CN109944602A	2019-06-28
CN209855801U	2019-12-27
CN109944601A	2019-06-28
CN209855800U	2019-12-27
CN109236310A	2019-01-18
CN109236317A	2019-01-18
JPH10331587A	1998-12-15

See also references of EP 3964687A4

ZHENGZHOU YOUDUN INTELLCTUAL PROPERTY AGENCY CO., LTD. (CN)

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