Zobrazeno 1 - 10
of 317
pro vyhledávání: '"Scraper conveyor"'
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 8, Pp 84-90 (2024)
Currently, most research on coal quantity detection focuses on the coal quantity detection and recognition of underground belt conveyors in coal mines. The coal quantity detection of scraper conveyors in fully mechanized working (caving) faces only s
Externí odkaz:
https://doaj.org/article/ff96c3c67fad4072adfa1b317dc9377a
Autor:
Xin YANG, Le SU, Yongjun CHENG, Bo WANG, Yuan ZHAO, Xiongwei YANG, Chenglong ZHAO, Xiangang CAO, Jiangbin ZHAO
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 8, Pp 171-181 (2024)
Scraper conveyors are essential coal transportation equipment in underground coal mines, significantly impacting mine production. However, the harsh working environment and long-term use lead to wear and tear, degrading their performance. Therefore,
Externí odkaz:
https://doaj.org/article/958a166266014b0d89008d7ae96d5026
Publikováno v:
Zhongguo youzhi, Vol 49, Iss 6, Pp 133-135 (2024)
为及时监测大豆预处理车间刮板输送机在生产中出现的断链、脱链等故障问题，保障刮板输送机的设备安全，分析了刮板输送机断链、脱链的故障原因，并提出了将刮板断链保护器应用于刮
Externí odkaz:
https://doaj.org/article/f8c9a01e66134ec1b95f4b14eaccc3f2
Autor:
Qiang ZHANG, Jixiong ZHANG, Tingcheng ZONG, Zishan JIN, Yu HAN, Kang YANG, Bin ZHANG, Ruihua FU
Publikováno v:
Meitan xuebao, Vol 49, Iss 4, Pp 2141-2151 (2024)
Solid backfilling scraper conveyor is a key equipment of solid backfilling mining technology, and the degree of its high efficiency and intelligence restricts the development of solid intelligent backfilling mining technology. Currently, it is diffic
Externí odkaz:
https://doaj.org/article/dbac491d5b284a3ea80d1431dcbb894f
Autor:
V. L. Petrov, A. V. Pichuev
Publikováno v:
Горные науки и технологии, Vol 9, Iss 1, Pp 60-69 (2024)
The intensive implementation of variable-frequency drive machines and installations in underground mining processes necessitates addressing several issues, with a primary focus on ensuring the quality of electric power. Elevating the energy resource
Externí odkaz:
https://doaj.org/article/6e046daca2f9447c98510ff0af7e6c50
New mode and key technology of series drive of multiple permanent magnet motors for scraper conveyor
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 2, Pp 238-252 (2024)
Intelligent equipment is an inevitable trend for the high-quality development of the coal industry, With the construction of super high mining height and super long working face in coal mine, scraper conveyor has been developing towards heavy and lon
Externí odkaz:
https://doaj.org/article/383b49a7ea204617a3fe34c5eaebecc9
Publikováno v:
Gong-kuang zidonghua, Vol 49, Iss 12, Pp 47-55 (2023)
Currently, research on the collaborative control of shearers and scraper conveyors has preliminarily established a collaborative control mechanism for mining and transportation systems. But none of them have taken into account the uncertainty and cou
Externí odkaz:
https://doaj.org/article/2b03fef8f0f2499890d27ccfe9d72a78
Publikováno v:
Machines, Vol 12, Iss 9, p 648 (2024)
The scraper conveyor, essential for mechanized mining, operates in harsh underground environments and is subjected to severe impact loads from coal and rock falls. Such conditions can cause chain jamming, breakage, and other malfunctions, necessitati
Externí odkaz:
https://doaj.org/article/2549c9370d094155886535e357d11891
Autor:
WU Jiangwei, NAN Bingfei
Publikováno v:
Gong-kuang zidonghua, Vol 49, Iss 11, Pp 60-66 (2023)
The various poses of scraper conveyors, irregular coal material shapes, limited equipment installation positions, high dust, and foreign object obstruction in the scene of scraper conveyors in underground coal mines have led to the inability of exist
Externí odkaz:
https://doaj.org/article/9a31d292a92745d795101fc4c9410882
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 11, Pp 190-201 (2023)
As the key equipment of fully mechanized coal mining face, scraper conveyor undertakes the main task of coal transportation. The movement and mechanical behavior of coal have an important impact on the design and failure analysis of scraper conveyor.
Externí odkaz:
https://doaj.org/article/7ef584fd019f4a62994ee5bbfb0c72dd