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Patent Searching and Data


Title:
ENGINEERING MACHINERY CRAWLER AND ENGINEERING VEHICLE
Document Type and Number:
WIPO Patent Application WO/2020/211478
Kind Code:
A1
Abstract:
An engineering machinery crawler and an engineering vehicle. The engineering machinery crawler comprises multiple crawler plates (1) which are sequentially connected and form a closed loop; the crawler plate (1) comprises a support portion, a body portion, and a traction portion; the support portion comprises a base plate (120), a raceway surface (106), and a guide block (114); the body portion is connected to the base plate (120), multiple cavities (123, 125) are provided in the body portion, and the contours on two sides of the body portion are matched with pin lugs (102, 103, 104) in adjacent crawler plates; the traction portion is connected onto the body portion, and the traction portion comprises a tooth (11) and multiple protruding pin lugs (102, 103, 104). Under the condition that the requirement for same machine weight supporting and driving is satisfied, the crawler can provide continuous support for a thrust wheel, the contact stress is smaller, the overall casting process is better, and the overall weight is lighter; the flexibility and maneuverability of a whole machine can be improved under the condition of guaranteeing the reliability.

Inventors:
QU LIHONG (CN)
YANG YUFENG (CN)
DING YUEJIN (CN)
WANG YONG (CN)
LIU YONGCAN (CN)
JIAO QING (CN)
WANG RANRAN (CN)
ZHANG YAXIONG (CN)
WU QINGLI (CN)
WANG CHUNLEI (CN)
FU GUISHAN (CN)
WEN JUN (CN)
WANG YUNXIAN (CN)
ZHANG YI (CN)
ZHANG CONGCONG (CN)
Application Number:
PCT/CN2020/070356
Publication Date:
October 22, 2020
Filing Date:
January 04, 2020
Export Citation:
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Assignee:
XUZHOU XCMG MINING MACHINERY CO LTD (CN)
International Classes:
B62D55/18; B62D55/26
Foreign References:
CN109415099A2019-03-01
CN109927804A2019-06-25
CN209757306U2019-12-10
CN205186341U2016-04-27
US3307882A1967-03-07
US2797967A1957-07-02
Attorney, Agent or Firm:
XUZHOUSHI SANLIAN PATENT AGENCY (CN)
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