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2 464 420

(13)

(51)

IPC

E21C35/24(2006-01-01)

(21) (22)

Application

2011122340/03, 2011-06-01

(24)

Start date

2011-06-01

(22)

Actual filing date

2011-06-01

(45)

Published

2012-10-20

(72)

Inventor

Meshcherina Julija Al'BertovnaMeshcherin Al'Bert TikhonovichPugachev Emel'Jan Vasil'EvichKuninin Petr NikolaevichIvanov Aleksandr SergeevichSorokin Aleksandr AleksandrovichVaulin Grigorij AleksandrovichSukhov Mikhail Vladimirovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Industrial'Nyj Universitet"

DEVICE FOR CONTROLLING FEED OF HEADING MACHINE SWEPT ACTUATOR Russian patent published in 2012 - IPC E21C35/24

Abstract RU 2464420 C1

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

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RU 2 464 420 C1

Authors

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

Dates

2012-10-20—Published

2011-06-01—Filed