Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Zhaosheng Meng"'
Publikováno v:
Machines, Vol 12, Iss 10, p 676 (2024)
The hydraulic support face guard system is essential for supporting the exposed coal wall at the working face. However, the hydraulic support face guard system approaching the coal wall may cause impact disturbances, reducing the load-bearing capacit
Externí odkaz:
https://doaj.org/article/b97a9a961301422d9f4d90dd8715a47b
Publikováno v:
Heliyon, Vol 10, Iss 5, Pp e26972- (2024)
Due to the influence of structural clearances, the shearer's oscillates and jumps concerning the scraper are frequent, which induces the collision and vibration impact of the traction components and exacerbates the traction failure of the shearer. Th
Externí odkaz:
https://doaj.org/article/51defa7bd7ed40b68707535b6973191d
Publikováno v:
IEEE Access, Vol 11, Pp 51408-51420 (2023)
Hydraulic support is a collaborative bearing equipment with hydraulic transmission power and mechanical bearing load. The method of the mechanical-hydraulic co-simulation model is used to discuss the response difference of hydraulic support in the pr
Externí odkaz:
https://doaj.org/article/bd8d5ed4f3cb4e769cab327725f945ac
Publikováno v:
Alexandria Engineering Journal, Vol 62, Iss , Pp 157-167 (2023)
The balance jack is the key component of the two-column shield hydraulic support connecting the top beam and the shield beam. The failure of the balance jack under the impact ground pressure in the fully mechanized coal mining face can easily lead to
Externí odkaz:
https://doaj.org/article/cacd5056384c417fb8496f7327f54548
Publikováno v:
ACS Omega, Vol 7, Iss 4, Pp 3656-3670 (2022)
Externí odkaz:
https://doaj.org/article/e95e0190a26140eb88331a662304d188
Publikováno v:
Shock and Vibration, Vol 2023 (2023)
The broken top coal and gangue in the fully mechanized cave mining will be released from the rear of the hydraulic support in the form of bulk. In this process, the medium properties through the coal opening can be judged by monitoring the vibration
Externí odkaz:
https://doaj.org/article/3c2434ae8018497e9361ffae958083d7
Publikováno v:
IEEE Access, Vol 8, Pp 222064-222076 (2020)
The automatic height adjustment of a shearer cutting drum is a key technology for shearer automation. However, a fundamental and important requirement for underground electronic products is explosion-proof rating, which creates great challenges to th
Externí odkaz:
https://doaj.org/article/0ba42079c2bd4730a41568d457c81747
Publikováno v:
Energies, Vol 16, Iss 4, p 2052 (2023)
As key supporting equipment in coal mining, hydraulic supports are vulnerable to impact pressure from roof movement and deformation. In this paper, a mechanical-hydraulic co-simulation platform for hydraulic supports is established. Moreover, the rat
Externí odkaz:
https://doaj.org/article/aa0292db5af040f596a8f9d5fd793fb1
Publikováno v:
Machines, Vol 11, Iss 2, p 159 (2023)
A hydraulic support is one of the key pieces of equipment in a fully mechanized coal-mining face. The shaft is seriously worn due to repeated support shifting in coal-mining operations, and the hydraulic support bears a large amount of impact load in
Externí odkaz:
https://doaj.org/article/4b076a037a7246bd8b6db50778fc871e
Publikováno v:
Energies, Vol 15, Iss 14, p 5236 (2022)
Coal resources perform an important role in China’s energy structure. Hydraulic support is the main supporting equipment of fully mechanized mining face in coal mines. Because the hydraulic support frequently bears the impact pressure from the work
Externí odkaz:
https://doaj.org/article/78a89e6d8f344dfcbcf05de55d36bdcf