Analysis of Mechanical-Hydraulic Cooperative Response of Hydraulic Support Under Roof Rotary Impact
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 process of roof rotation. Based on this model, the v...
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| Veröffentlicht in: | IEEE access 2023, Vol.11, p.51408-51420 |
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| creator | Zeng, Qingliang Ma, Chen Meng, Zhaosheng Xu, Penghui Lei, Xiaowan |
| description | 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 process of roof rotation. Based on this model, the variation law of hydraulic support is analyzed by changing the rotation velocities of the roof. Then, by changing the discharge flow of relief valves at the column, the energy unloading characteristics of the column are discussed. The results demonstrate that with an increase in the roof rotary velocity, the pressure and flow peaks of the column increase continuously (the increase multiples of pressure and flow peaks are 123% and 51%, respectively). The tendency of load variation at different locations of hinge points appears to be varied. Lastly, this paper increases the discharge flow of the relief valve to shorten the energy unloading time (by 1.5 s) and reduce the load at the hinge point. This approach helps reduce the probability of damage to the hydraulic support and prolongs its life. |
| doi_str_mv | 10.1109/ACCESS.2023.3278793 |
| format | Article |
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The method of the mechanical-hydraulic co-simulation model is used to discuss the response difference of hydraulic support in the process of roof rotation. Based on this model, the variation law of hydraulic support is analyzed by changing the rotation velocities of the roof. Then, by changing the discharge flow of relief valves at the column, the energy unloading characteristics of the column are discussed. The results demonstrate that with an increase in the roof rotary velocity, the pressure and flow peaks of the column increase continuously (the increase multiples of pressure and flow peaks are 123% and 51%, respectively). The tendency of load variation at different locations of hinge points appears to be varied. Lastly, this paper increases the discharge flow of the relief valve to shorten the energy unloading time (by 1.5 s) and reduce the load at the hinge point. 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The method of the mechanical-hydraulic co-simulation model is used to discuss the response difference of hydraulic support in the process of roof rotation. Based on this model, the variation law of hydraulic support is analyzed by changing the rotation velocities of the roof. Then, by changing the discharge flow of relief valves at the column, the energy unloading characteristics of the column are discussed. The results demonstrate that with an increase in the roof rotary velocity, the pressure and flow peaks of the column increase continuously (the increase multiples of pressure and flow peaks are 123% and 51%, respectively). The tendency of load variation at different locations of hinge points appears to be varied. Lastly, this paper increases the discharge flow of the relief valve to shorten the energy unloading time (by 1.5 s) and reduce the load at the hinge point. This approach helps reduce the probability of damage to the hydraulic support and prolongs its life.</description><subject>Analytical models</subject><subject>Coal</subject><subject>Discharge</subject><subject>Hydraulic drives</subject><subject>Hydraulic systems</subject><subject>Hydraulic transmissions</subject><subject>Hydraulics</subject><subject>Lifting equipment</subject><subject>Load fluctuation</subject><subject>Load modeling</subject><subject>mechanical engineering</subject><subject>Pistons</subject><subject>Relief valves</subject><subject>Rotation</subject><subject>Simulation models</subject><subject>Valves</subject><issn>2169-3536</issn><issn>2169-3536</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>ESBDL</sourceid><sourceid>RIE</sourceid><sourceid>DOA</sourceid><recordid>eNpNUV1LwzAULaLgmP4CfSj43JmPpmkeR5luMBE2fQ5pcqMdtalJJ-zfm9mh3pd7ufeck3BOktxgNMMYift5VS222xlBhM4o4SUX9CyZEFyIjDJanP-bL5PrEHYoVhlXjE8SPe9UewhNSJ1Nn0C_q67Rqs2WB-PVvm10WjnXg1dD8wXpBkLvugBH8B9iu-9754f0tTPg042Lx40blD-kq49e6eEqubCqDXB96tPk9WHxUi2z9fPjqpqvM50jMWSG85oVgDipKZQME0trzEuwmKPcGpEbgbUojaprpQQQbKwtbM4Us0QQhug0WY26xqmd7H3zEf8gnWrkz8L5N6n80OgWZG1Kw8Dkluo6B14IreroHSfMiqioo9bdqNV797mHMMid2_voVZCkJJjj6GYRUXREae9C8GB_X8VIHsORYzjyGI48hRNZtyOrAYB_DEwRY4R-A6SvjDQ</recordid><startdate>2023</startdate><enddate>2023</enddate><creator>Zeng, Qingliang</creator><creator>Ma, Chen</creator><creator>Meng, Zhaosheng</creator><creator>Xu, Penghui</creator><creator>Lei, Xiaowan</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The method of the mechanical-hydraulic co-simulation model is used to discuss the response difference of hydraulic support in the process of roof rotation. Based on this model, the variation law of hydraulic support is analyzed by changing the rotation velocities of the roof. Then, by changing the discharge flow of relief valves at the column, the energy unloading characteristics of the column are discussed. The results demonstrate that with an increase in the roof rotary velocity, the pressure and flow peaks of the column increase continuously (the increase multiples of pressure and flow peaks are 123% and 51%, respectively). The tendency of load variation at different locations of hinge points appears to be varied. Lastly, this paper increases the discharge flow of the relief valve to shorten the energy unloading time (by 1.5 s) and reduce the load at the hinge point. 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| subjects | Analytical models Coal Discharge Hydraulic drives Hydraulic systems Hydraulic transmissions Hydraulics Lifting equipment Load fluctuation Load modeling mechanical engineering Pistons Relief valves Rotation Simulation models Valves |
| title | Analysis of Mechanical-Hydraulic Cooperative Response of Hydraulic Support Under Roof Rotary Impact |
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