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2 029 082

(13)

(51)

IPC

(21) (22)

Application

4942495/03, 1991-06-06

(22)

Actual filing date

1991-06-06

(45)

Published

1995-02-20

(72)

Inventor

Atrushkevich A.A.Petrov A.I.Rogachev A.A.Atrushkevich V.A.Mikheev O.V.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij I Proektno-Konstruktorskij Institut Dobychi Uglja Gidravlicheskim Sposobom

TUNNELING MACHINE Russian patent published in 1995 - IPC

Abstract RU 2029082 C1

FIELD: driving of horizontal and inclined workings. SUBSTANCE: tunnelling machine has two bodies interconnected by means of hydraulic jack. Mounted on one body is actuating member in form of boom with drill bit. Each body has hydraulic prop with roofing and advancing mechanism on form of skids and hydraulic rams. Supporting skids are found in front and rear parts of bodies for turning in vertical plane by means of turning hydraulic jacks. Each skid has outer shell with dowels installed for reciprocation along longitudinal axis of skid. EFFECT: higher stability of tunnelling machine in operation. 2 cl, 2 dwg

Similar patents RU2029082C1

Title	Year	Author	Number
TUNNELLING MACHINE	1991	Atrushkevich A.A. Petrov A.I. Rogachev A.A. Atrushkevich V.A. Mikheev O.V.	RU2029092C1
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METHOD FOR MINING OF THICK STEEPLY DIPPING COAL SEAMS	1991	Atrushkevich A.A. Zajdenvarg V.E. Votintsev V.S. Odinokov B.P.	RU2029087C1
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RU 2 029 082 C1

Authors

Atrushkevich A.A.

Petrov A.I.

Rogachev A.A.

Atrushkevich V.A.

Mikheev O.V.

Dates

1995-02-20—Published

1991-06-06—Filed