SU612038A1 - Asymmetric arched hinged compressible roof support - Google Patents

Asymmetric arched hinged compressible roof support

Info

Publication number
SU612038A1
SU612038A1 SU742053497A SU2053497A SU612038A1 SU 612038 A1 SU612038 A1 SU 612038A1 SU 742053497 A SU742053497 A SU 742053497A SU 2053497 A SU2053497 A SU 2053497A SU 612038 A1 SU612038 A1 SU 612038A1
Authority
SU
USSR - Soviet Union
Prior art keywords
compressible
hinged
roof support
arched
asymmetric
Prior art date
Application number
SU742053497A
Other languages
Russian (ru)
Inventor
Юрий Иванович Морозов
Борис Иванович Лебедев
Михаил Иванович Середенко
Виктор Лаврентьевич Сорока
Original Assignee
Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Угольный Институт
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 Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Угольный Институт filed Critical Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Угольный Институт
Priority to SU742053497A priority Critical patent/SU612038A1/en
Application granted granted Critical
Publication of SU612038A1 publication Critical patent/SU612038A1/en

Links

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  • Retarders (AREA)
  • Stringed Musical Instruments (AREA)
  • Indole Compounds (AREA)

Description

Крепь работаетгсиедующнм образом.The support works in the following manner.

Край со стороны выработанного пространс тва опускаетс  значительно больше, чем у массива. Срабатывает замок 3, верх, н к 1 спускаетс  и поворачиваетс  вокруг шарнира 5.The edge from the side of the developed area drops significantly more than that of the array. Lock 3 is triggered, top, down to 1 is lowered and turned around hinge 5.

Claims (2)

1.Гелескуп М, Н., Усан-Подгорнов Б, М Поддержание горных выработок М,, Недра, 1973, с. 43-45.1. Geleskup M, N., Usan-Podgornov B, M Maintenance of mine workings M, Nedra, 1973, p. 43-45. 2.Авторское свидетельство CCCF № 34874О, кл. Е 21 D 11/22, 1970,2. Certificate of CCCF No. 34874О, cl. E 21 D 11/22, 1970,
SU742053497A 1974-08-12 1974-08-12 Asymmetric arched hinged compressible roof support SU612038A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU742053497A SU612038A1 (en) 1974-08-12 1974-08-12 Asymmetric arched hinged compressible roof support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU742053497A SU612038A1 (en) 1974-08-12 1974-08-12 Asymmetric arched hinged compressible roof support

Publications (1)

Publication Number Publication Date
SU612038A1 true SU612038A1 (en) 1978-06-25

Family

ID=20594060

Family Applications (1)

Application Number Title Priority Date Filing Date
SU742053497A SU612038A1 (en) 1974-08-12 1974-08-12 Asymmetric arched hinged compressible roof support

Country Status (1)

Country Link
SU (1) SU612038A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112832802A (en) * 2021-03-04 2021-05-25 淮北市平远软岩支护工程技术有限公司 Large-bottom plate supporting structure and method for asymmetric pressure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112832802A (en) * 2021-03-04 2021-05-25 淮北市平远软岩支护工程技术有限公司 Large-bottom plate supporting structure and method for asymmetric pressure
CN112832802B (en) * 2021-03-04 2022-03-01 淮北市平远软岩支护工程技术有限公司 Large-bottom plate supporting structure and method for asymmetric pressure

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