Zobrazeno 1 - 10
of 113
pro vyhledávání: '"fully-mechanized working face"'
Publikováno v:
Meikuang Anquan, Vol 55, Iss 11, Pp 210-216 (2024)
In order to realize the unmanned mining of the fully mechanized mining face in the coal mine, instead of the staff to explore and monitor the dangerous mining environment, we designed a control system for a mining inspection device based on laser SLA
Externí odkaz:
https://doaj.org/article/0f48d42da7224e72acf6ff6bab2022d3
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:
GUO Xinwei
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 8, Pp 20-29 (2024)
In the hydraulic support work of fully mechanized working face, there are often problems such as insufficient initial support force and slow moving speed of the support. Currently, most solutions are based on the steady-state operation law of the hyd
Externí odkaz:
https://doaj.org/article/0dc0d34777ac423aad5ee71a5ac8aa76
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 6, Pp 129-135 (2024)
A hydraulic support height measueement sensor based on Pascal's law is designed to address the difficulties in measuring the height, reliability, and stability of hydraulic supports in fully mechanized working faces. The height measurement sensor is
Externí odkaz:
https://doaj.org/article/a90221ccec0847cf94bfe7681feaa2d7
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 6, Pp 120-128 (2024)
The digital 3D reconstruction process of coal mine fully mechanized working face roadways requires complete and dense coal wall point cloud data. Due to factors such as occlusion and limited viewing angle, the collected coal wall point cloud data of
Externí odkaz:
https://doaj.org/article/f996240cf3e549b2ad9570114c7b0d33
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 5, Pp 84-92 (2024)
The equipment for coal mine fully mechanized working faces comes from different manufacturers, with inconsistent interfaces, different data systems and business logic, resulting in data barriers and slow data exchange between systems. Based on the in
Externí odkaz:
https://doaj.org/article/48ee36b5187544d9bf650702f31ec8f8
Autor:
LIU Qing, LIU Junfeng
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 4, Pp 33-40 (2024)
A real-time measurement system for the pushing progress of fully mechanized working face based on UWB ranging technology is proposed to address the problems of existing measurement and calculation methods, such as time-consuming, labor-intensive, lar
Externí odkaz:
https://doaj.org/article/b69bb870f6a244d595436c8a88583c1c
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 2, Pp 1-8 (2024)
The space of the fully mechanized working face is small, and the lighting environment is complex and variable. During the coal mining process, there is a large amount of dust and fog, which leads to problems such as exposure and weakened detail featu
Externí odkaz:
https://doaj.org/article/a9e8bb810b4f420a8451ace07aee1d11
Publikováno v:
Gong-kuang zidonghua, Vol 49, Iss 9, Pp 47-54 (2023)
Currently, research on the automatic following of hydraulic support in fully mechanized working faces focuses on controlling the movement of hydraulic support based on external environmental variables. It cannot maintain good results during long-term
Externí odkaz:
https://doaj.org/article/d80f7ad7ee794dbdb63264e180eae204
Publikováno v:
Meikuang Anquan, Vol 54, Iss 8, Pp 26-32 (2023)
In order to solve the problems of serious dust pollution and difficult dust removal in fully mechanized coal mining face, we conduct research on the concentration and particle size field of dust in the fully mechanized mining face of Shoushan No.1 Mi
Externí odkaz:
https://doaj.org/article/c198b8c0a09f4e0da18772293bc7bd60