RU93035316A - DRILLING DRILL - Google Patents

DRILLING DRILL

Info

Publication number
RU93035316A
RU93035316A RU93035316/03A RU93035316A RU93035316A RU 93035316 A RU93035316 A RU 93035316A RU 93035316/03 A RU93035316/03 A RU 93035316/03A RU 93035316 A RU93035316 A RU 93035316A RU 93035316 A RU93035316 A RU 93035316A
Authority
RU
Russia
Prior art keywords
projectile
teeth
outer pipe
drilling drill
core
Prior art date
Application number
RU93035316/03A
Other languages
Russian (ru)
Other versions
RU2114278C1 (en
Inventor
В.Б. Григорьев
В.А. Богданов
Original Assignee
Российский научно-исследовательский институт методики и техники разведки
Filing date
Publication date
Application filed by Российский научно-исследовательский институт методики и техники разведки filed Critical Российский научно-исследовательский институт методики и техники разведки
Priority to RU93035316A priority Critical patent/RU2114278C1/en
Priority claimed from RU93035316A external-priority patent/RU2114278C1/en
Publication of RU93035316A publication Critical patent/RU93035316A/en
Application granted granted Critical
Publication of RU2114278C1 publication Critical patent/RU2114278C1/en

Links

Claims (1)

Буровой снаряд относится к бурению с отбором керна и представляет собой снаряд со съемным породоразрушающим инструментом. Снаряд включает наружную трубу с зубчатым торцом, раздвижную секторную коронку с выступами взаимодействия с зубцами торца наружной трубы. Цель изобретения - повышение выхода керна и надежности работы. Новым в снаряде является выполнение зубцов торца и элементов секторов с наклоном вниз и к продольной оси вращения снаряда.The drill refers to core drilling and is a shell with a removable rock-destruction tool. The projectile includes an outer pipe with a toothed end, a sliding sector crown with protrusions interacting with the teeth of the end of the outer pipe. The purpose of the invention is to increase the core yield and reliability. New in the projectile is the execution of the teeth of the end face and the elements of the sectors with an inclination downward and toward the longitudinal axis of rotation of the projectile.
RU93035316A 1993-07-08 1993-07-08 Drilling tool RU2114278C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU93035316A RU2114278C1 (en) 1993-07-08 1993-07-08 Drilling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU93035316A RU2114278C1 (en) 1993-07-08 1993-07-08 Drilling tool

Publications (2)

Publication Number Publication Date
RU93035316A true RU93035316A (en) 1996-05-20
RU2114278C1 RU2114278C1 (en) 1998-06-27

Family

ID=20144724

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93035316A RU2114278C1 (en) 1993-07-08 1993-07-08 Drilling tool

Country Status (1)

Country Link
RU (1) RU2114278C1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2481458C2 (en) * 2011-08-02 2013-05-10 Открытое акционерное общество "Курганавторемонт" Drilling cutting breaking bit
CN109667557B (en) * 2019-02-28 2023-04-25 湖南科技大学 Standard coring device for breaking coal rock mass sample and construction method

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