SU796412A1 - Blasthole drilling device - Google Patents

Blasthole drilling device Download PDF

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Publication number
SU796412A1
SU796412A1 SU792741127A SU2741127A SU796412A1 SU 796412 A1 SU796412 A1 SU 796412A1 SU 792741127 A SU792741127 A SU 792741127A SU 2741127 A SU2741127 A SU 2741127A SU 796412 A1 SU796412 A1 SU 796412A1
Authority
SU
USSR - Soviet Union
Prior art keywords
drilling device
rod
blasthole drilling
recesses
center holder
Prior art date
Application number
SU792741127A
Other languages
Russian (ru)
Inventor
Борис Михайлович Прохоров
Юрий Николаевич Власов
Петр Петрович Харитошин
Original Assignee
Предприятие П/Я М-5703
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Предприятие П/Я М-5703 filed Critical Предприятие П/Я М-5703
Priority to SU792741127A priority Critical patent/SU796412A1/en
Application granted granted Critical
Publication of SU796412A1 publication Critical patent/SU796412A1/en

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  • Drilling And Boring (AREA)
  • Earth Drilling (AREA)

Description

(54) УСТРОЙСТВО ДЛЯ БУРЕНИЯ ШПУРОВ(54) DEVICE FOR DRILLING BORES

Claims (1)

Формула изобретенияClaim Устройство для бурения шпуров, включающее перфоратор, податчик, лафет, центродержатель и буровую штангу с коронкой, отличающееся тем, что, с целью повышения КПД, на штанге выполнены кольцевые треугольные углубления с вершиной, направленной в сторону забоя, а центродержатель имеет подпружиненный упор, который установлен с возможностью взаимодействия с углублениями штанги.A device for drilling holes, including a perforator, feeder, carriage, center holder and drill rod with a crown, characterized in that, in order to increase efficiency, annular triangular recesses are made on the rod with the apex pointing towards the bottom, and the center holder has a spring-loaded stop, which installed with the possibility of interaction with the recesses of the rod.
SU792741127A 1979-03-26 1979-03-26 Blasthole drilling device SU796412A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU792741127A SU796412A1 (en) 1979-03-26 1979-03-26 Blasthole drilling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU792741127A SU796412A1 (en) 1979-03-26 1979-03-26 Blasthole drilling device

Publications (1)

Publication Number Publication Date
SU796412A1 true SU796412A1 (en) 1981-01-15

Family

ID=20817118

Family Applications (1)

Application Number Title Priority Date Filing Date
SU792741127A SU796412A1 (en) 1979-03-26 1979-03-26 Blasthole drilling device

Country Status (1)

Country Link
SU (1) SU796412A1 (en)

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