SU773277A1 - Apparatus for forming expansions in large-diameter holes - Google Patents

Apparatus for forming expansions in large-diameter holes Download PDF

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Publication number
SU773277A1
SU773277A1 SU792733685A SU2733685A SU773277A1 SU 773277 A1 SU773277 A1 SU 773277A1 SU 792733685 A SU792733685 A SU 792733685A SU 2733685 A SU2733685 A SU 2733685A SU 773277 A1 SU773277 A1 SU 773277A1
Authority
SU
USSR - Soviet Union
Prior art keywords
cones
diameter holes
working chamber
expansions
forming
Prior art date
Application number
SU792733685A
Other languages
Russian (ru)
Inventor
Юрий Степанович Рязанов
Григорий Николаевич Баранник
Original Assignee
Специальное Конструкторское Бюро Главмостостроя
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 Специальное Конструкторское Бюро Главмостостроя filed Critical Специальное Конструкторское Бюро Главмостостроя
Priority to SU792733685A priority Critical patent/SU773277A1/en
Application granted granted Critical
Publication of SU773277A1 publication Critical patent/SU773277A1/en

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Description

А BUT

Claims (2)

Указанная цель достигается тем, что механизм разведения шарошек выполнен в виде рабочей камеры с верхним и нижним фланцами, соединенными между собой распорками, между которыми шарнирно установлены посредством вертикальных осей подпружиненые сектора с закрепленными на них шарошками, при этом верхний фланец соединен с ротором турбобура с возможностью сообщения рабочей камеры с выходным отверстием турбобура, а 'нижний7 фланец имеет с наружной стороны лопасти.This goal is achieved by the fact that the mechanism for breeding cones is made in the form of a working chamber with upper and lower flanges interconnected by spacers, between which spring-loaded sectors with cones mounted on them are hinged by means of vertical axes, while the upper flange is connected to the turbodrill rotor with the possibility of the working chamber communicates with the turbo-drill outlet, and the bottom 7 flange has blades on the outside. На фиг. 1 схематически изображено долото с раздвижными шарошками, общийIn FIG. 1 schematically shows a chisel with sliding cones, a common вид; на фиг.view; in FIG. 2 — разрез А—А на фиг. 1.2 — section A — A in FIG. 1. ΊΤίΆΠΊΤίΆΠ Фиг. 1FIG. 1 А -АA-A
SU792733685A 1979-03-05 1979-03-05 Apparatus for forming expansions in large-diameter holes SU773277A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU792733685A SU773277A1 (en) 1979-03-05 1979-03-05 Apparatus for forming expansions in large-diameter holes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU792733685A SU773277A1 (en) 1979-03-05 1979-03-05 Apparatus for forming expansions in large-diameter holes

Publications (1)

Publication Number Publication Date
SU773277A1 true SU773277A1 (en) 1980-10-23

Family

ID=20813959

Family Applications (1)

Application Number Title Priority Date Filing Date
SU792733685A SU773277A1 (en) 1979-03-05 1979-03-05 Apparatus for forming expansions in large-diameter holes

Country Status (1)

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SU (1) SU773277A1 (en)

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