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Title:
SLEEVE AND LOCKING MECHANISM FOR CHANGEABLE-GAUGE WHEEL SET
Document Type and Number:
WIPO Patent Application WO/2020/253439
Kind Code:
A1
Abstract:
Disclosed are a sleeve and a locking mechanism (3) for a changeable-gauge wheel set. The sleeve comprises a sleeve body (31), wherein the sleeve body (31) comprises a first sleeve and a second sleeve; the first sleeve comprises a first end cover and a first sleeve body extending towards one axial side of the first end cover in a circumferential direction of the first end cover, and an axial through hole is provided in the first end cover; the second sleeve is connected to the first sleeve in a sleeving manner, and the second sleeve comprises a second end cover integrally connected to the circumferential direction of the first sleeve body and a second sleeve body extending towards the same side of the first sleeve body in a circumferential direction of the second end cover; and the first end cover is used for being connected to an axle (5) of the changeable-gauge wheel set in a fastened and sleeving manner and located on an inner side of a wheel (4) of the changeable-gauge wheel set, an inner hub of the wheel (4) is used for extending into the first sleeve body and is in sliding fit with the first sleeve body, and a through hole is provided in a side wall of the first sleeve body.

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WO/2015/040337ASSEMBLY INCLUDING A CHASSIS FOR A VARIABLE-TRACK VEHICLE SUCH AS AN AGRICULTURAL VEHICLE FOR INSTANCE A SPRAYER OR A HIGH-CLEARANCE VEHICLE
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Inventors:
WANG YUTAO (CN)
HUANG YUNHUA (CN)
CAO HONGYONG (CN)
WANG XU (CN)
LI ZHONGYUAN (CN)
Application Number:
PCT/CN2020/090816
Publication Date:
December 24, 2020
Filing Date:
May 18, 2020
Export Citation:
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Assignee:
CRRC QINGDAO SIFANG CO LTD (CN)
UNIV SOUTHWEST JIAOTONG (CN)
International Classes:
B60B35/10; B61F7/00; B61F15/26
Foreign References:
CN110228493A2019-09-13
CN110228495A2019-09-13
CN110228496A2019-09-13
CN110228498A2019-09-13
CN110228492A2019-09-13
CN110228494A2019-09-13
CN110228497A2019-09-13
CN110228499A2019-09-13
CN107187461A2017-09-22
CN207469936U2018-06-08
CN206727777U2017-12-08
CN108791352A2018-11-13
JPH06206541A1994-07-26
Attorney, Agent or Firm:
CN-KNOWHOW INTELLECTUAL PROPERTY AGENT LIMITED (CN)
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