Title:
ROTATING PUMP PIPE CONNECTING DEVICE AND WET SPRAYING MACHINE PROVIDED WITH ROTATING PUMP PIPE CONNECTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/011494
Kind Code:
A1
Abstract:
A rotating pump pipe connecting device and a wet spraying machine provided with the rotating pump pipe connecting device. The rotating pump pipe connecting device comprises a first pipe body (1), a second pipe body (2), a bearing assembly, a limiting assembly, and a sealing assembly used for sealing; one end of the first pipe body (1) is rotatably connected to one end of the second pipe body (2) by means of the bearing assembly, the first pipe body (1) is penetratingly disposed in the second pipe body (2) to form a cavity (6) between the two, the bearing assembly is mounted in the cavity (6), and the limiting assembly is used for preventing the bearing assembly from moving axially. The described device has the advantages of smooth rotation, good stability, high safety, being able to reduce material fatigue, long service life, and so on.
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Inventors:
GONG JUN (CN)
GUAN FURU (CN)
ZHOU HE (CN)
WANG HUIMIN (CN)
LI QIANG (CN)
GUAN FURU (CN)
ZHOU HE (CN)
WANG HUIMIN (CN)
LI QIANG (CN)
Application Number:
PCT/CN2022/105684
Publication Date:
January 18, 2024
Filing Date:
July 14, 2022
Export Citation:
Assignee:
HUNAN WUXIN TUNNEL INTELLIGENT EQUIPMENT CO LTD (CN)
International Classes:
F16L27/08; E04G21/02; E21D11/10; F16L33/00
Foreign References:
| CN113719684A | 2021-11-30 | |||
| CN215807017U | 2022-02-11 | |||
| CN205859429U | 2017-01-04 | |||
| CN1488879A | 2004-04-14 | |||
| DE19542562A1 | 1997-05-22 | |||
| CN106641521A | 2017-05-10 |
Attorney, Agent or Firm:
BEIJING WEISHENGDA INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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