Title:
TRAVELING WHEEL ASSEMBLY FOR COAL MINING MACHINE, AND COAL MINING MACHINE
Document Type and Number:
WIPO Patent Application WO/2024/055850
Kind Code:
A1
Abstract:
A traveling wheel assembly for a coal mining machine, and a coal mining machine. The traveling wheel assembly for a coal mining machine comprises a shaft body (1), a sleeve body (2), a gear set (3), a first bearing (4) and a second bearing (5), wherein a first flow channel (11) is provided in the shaft body (1), and an outlet of the first flow channel (11) is located on an outer peripheral wall of the shaft body (1); the sleeve body (2) is sleeved on an outer peripheral side of the shaft body (1) and is rotatable relative to the shaft body (1); the sleeve body (2) is provided with a second flow channel (21), the second flow channel (21) comprises an annular slot (211) and a plurality of through holes (212), the annular slot (211) is arranged in an inner peripheral wall of the sleeve body (2), the outlet of the first flow channel (11) is opposite to and communicates with the opening of the annular slot (211), the plurality of through holes (212) are arranged in an outer peripheral side of the annular slot (211), and each through hole (212) communicates with the annular slot (211) and penetrates the sleeve body (2) in a radial direction of the sleeve body (2); an annular cavity (39) is formed in an inner peripheral wall of the gear set (3), the gear set (3) is rotatably assembled on the outer peripheral side of the sleeve body (2), and outlets of the plurality of through holes (212) communicate with the annular cavity (39); and the outlets of the plurality of through holes (212) are located between the first bearing (4) and the second bearing (5).
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Inventors:
LIU DONGLAI (CN)
Application Number:
PCT/CN2023/116517
Publication Date:
March 21, 2024
Filing Date:
September 01, 2023
Export Citation:
Assignee:
ZHALAINUOER COAL IND CO LTD (CN)
International Classes:
E21C29/22; F16C33/66; F16H57/023
Foreign References:
| CN115506792A | 2022-12-23 | |||
| CN212716606U | 2021-03-16 | |||
| CN205277417U | 2016-06-01 | |||
| CN212155735U | 2020-12-15 | |||
| CN216045343U | 2022-03-15 | |||
| US20180087379A1 | 2018-03-29 | |||
| US20200011173A1 | 2020-01-09 |
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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