Title:
SLIDER, TELESCOPIC BOOM, AND WORK MACHINERY
Document Type and Number:
WIPO Patent Application WO/2023/184767
Kind Code:
A1
Abstract:
A slider. The slider comprises a boom tail section (1) and a barrel body section (2); the barrel body section is used for cooperating with the outer peripheral surface of a barrel body (4) of the telescopic boom; the boom tail section is used for cooperating with the outer peripheral surface of a boom tail (5) of the telescopic boom; an oil passage is provided inside the boom tail section; a first oil groove (6) is formed on the upper surface of the boom tail section; an oil injection port (7) of the oil passage is formed on the outer peripheral surface of the boom tail section; an oil outlet (8) of the oil passage is communicated with the first oil groove. The slider increases a force-receiving area when the slider works, reduces stress on the boom tail, and improves the lubrication degree of the slider when the slider works. Further comprised are a telescopic boom and work machinery.
Inventors:
CAO ZHENGGUANG (CN)
XIONG SHENG (CN)
XIONG SHENG (CN)
Application Number:
PCT/CN2022/103188
Publication Date:
October 05, 2023
Filing Date:
June 30, 2022
Export Citation:
Assignee:
HUNAN SANY MEDIUM TONNAGE HOISTING MACHINERY CO LTD (CN)
International Classes:
B66C23/62; F16C29/02; B66C23/687; F16C33/04; F16C33/10; F16N1/00
Foreign References:
| CN202369294U | 2012-08-08 | |||
| CN204342321U | 2015-05-20 | |||
| CN206188269U | 2017-05-24 | |||
| CN212581397U | 2021-02-23 | |||
| CN205114864U | 2016-03-30 | |||
| CN206088838U | 2017-04-12 | |||
| CN206088836U | 2017-04-12 | |||
| US4748779A | 1988-06-07 |
Attorney, Agent or Firm:
TALENT PATENT&TRADEMARK FIRM (CN)
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