SU473840A1 - Device for moving support section with support - Google Patents

Device for moving support section with support

Info

Publication number
SU473840A1
SU473840A1 SU1930647A SU1930647A SU473840A1 SU 473840 A1 SU473840 A1 SU 473840A1 SU 1930647 A SU1930647 A SU 1930647A SU 1930647 A SU1930647 A SU 1930647A SU 473840 A1 SU473840 A1 SU 473840A1
Authority
SU
USSR - Soviet Union
Prior art keywords
support
moving
section
support section
hydraulic
Prior art date
Application number
SU1930647A
Other languages
Russian (ru)
Inventor
Василий Иванович Солод
Сергей Федорович Юрьев
Константин Михайлович Первов
Петр Васильевич Коваль
Витольд Иванович Зайков
Юрий Аркадьевич Баранов
Original Assignee
Московский Ордена Трудового Красного Знамени Горный 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 Московский Ордена Трудового Красного Знамени Горный Институт filed Critical Московский Ордена Трудового Красного Знамени Горный Институт
Priority to SU1930647A priority Critical patent/SU473840A1/en
Application granted granted Critical
Publication of SU473840A1 publication Critical patent/SU473840A1/en

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Description

Сброс рабочей жидкости при необходимости уменьшени  высоты секции при передвижении обеспечивает подпорный клапан 17.Discharge of the working fluid, if necessary, reducing the height of the section while moving, provides a retaining valve 17.

При распоре стоек гидроуправл емые клапаны 16 сообщают поршневые полости стоек 3 с распределителем 8, а через обратный клапан 18 производитс  зар дка гидроаккумул тора .When the racks are deployed, the hydraulically controlled valves 16 communicate the piston cavities of the racks 3 with the distributor 8, and through the non-return valve 18 a hydraulic accumulator is charged.

Предмет изобретени Subject invention

Устройство дл  передвижени  секции крепи с подпором, включаюш,ее распределительThe device for moving the support section with backwater, including its distributor

с каналами распора, складывани  и движени , которые сообшены с гидрозамками гидростоек , домкратами передвижени  и гидроаккумул тором , отличающеес  тем, что, с целью повышени  стабильности давлени  подпора, распределитель снабжен порционерами открыти  гидрозамков, установленными между каналами распора и складывани , и выполнен с заглушками, перекрываюшими штоковые полости гидростоек, и обратным клапаном, который установлен в канале движени .with expansion, folding and movement channels, which are connected to hydraulic posts of hydraulic posts, movement jacks and hydraulic accumulators, characterized in that in order to increase the stability of the overpressure, the distributor is equipped with hydraulic lock openings that are installed between the expansion and folding channels overlapping hydraulic rod cavities; and a check valve, which is installed in the movement channel.

SU1930647A 1973-06-15 1973-06-15 Device for moving support section with support SU473840A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1930647A SU473840A1 (en) 1973-06-15 1973-06-15 Device for moving support section with support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1930647A SU473840A1 (en) 1973-06-15 1973-06-15 Device for moving support section with support

Publications (1)

Publication Number Publication Date
SU473840A1 true SU473840A1 (en) 1975-06-14

Family

ID=20556138

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1930647A SU473840A1 (en) 1973-06-15 1973-06-15 Device for moving support section with support

Country Status (1)

Country Link
SU (1) SU473840A1 (en)

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