发明名称 |
DEVICE FOR CONTROLLING FEED OF HEADING MACHINE SWEPT ACTUATOR |
摘要 |
FIELD: oil and gas production. ^ SUBSTANCE: proposed device comprises hydraulic cylinders, electrically control hydraulic control valves, oil unit, and remote control board. It comprises also boom turn (lift) angle and telescope position transducers. Heading drive motor current transducer. Microcontroller with memory containing algorithm of defining face rock toughness, maximum feed rates depending upon motor current. To determine delivery of axial piston pump, an appropriate algorithm is used. Said pump is controlled via frequency inverter by PDM signal from microcontroller output. Mean voltage is selected from microcontroller to control induction motor squirrel-cage rotor rpm by adjusting pump shaft rpm. ^ EFFECT: otimised heading drive load current control. ^ 2 dwg |
申请公布号 |
RU2464420(C1) |
申请公布日期 |
2012.10.20 |
申请号 |
RU20110122340 |
申请日期 |
2011.06.01 |
申请人 |
GOSUDARSTVENNOE OBRAZOVATEL'NOE UCHREZHDENIE VYSSHEGO PROFESSIONAL'NOGO OBRAZOVANIJA "SIBIRSKIJ GOSUDARSTVENNYJ INDUSTRIAL'NYJ UNIVERSITET" |
发明人 |
MESHCHERINA JULIJA AL'BERTOVNA;MESHCHERIN AL'BERT TIKHONOVICH;PUGACHEV EMEL'JAN VASIL'EVICH;KUNININ PETR NIKOLAEVICH;IVANOV ALEKSANDR SERGEEVICH;SOROKIN ALEKSANDR ALEKSANDROVICH;VAULIN GRIGORIJ ALEKSANDROVICH;SUKHOV MIKHAIL VLADIMIROVICH |
分类号 |
E21C35/24 |
主分类号 |
E21C35/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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