SU1562304A1 - Hydraulic drive for cargo-lifting crane - Google Patents
Hydraulic drive for cargo-lifting crane Download PDFInfo
- Publication number
- SU1562304A1 SU1562304A1 SU884354430A SU4354430A SU1562304A1 SU 1562304 A1 SU1562304 A1 SU 1562304A1 SU 884354430 A SU884354430 A SU 884354430A SU 4354430 A SU4354430 A SU 4354430A SU 1562304 A1 SU1562304 A1 SU 1562304A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- hydraulic cylinders
- hydraulic
- tank
- main
- crane
- Prior art date
Links
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- Fluid-Pressure Circuits (AREA)
Abstract
Изобретение относитс к подъемно-транспортному машиностроению и касаетс гидроприводов бортовых кранов. Цель изобретени - упрощение конструкции и повышение надежности. Гидропривод содержит бак 13 с насосом 1, основные распределители 3, 4, включающие рабочие секции 5, 6, 7, 8, 9, 10, гидроцилиндры 14, 15, 16, 17, 24 и гидромотор 18 основного оборудовани , гидроцилиндры 22, 23 выносных опор, многопозиционный распределитель 21, управл ющий работой гидроцилиндров выносных опор и гидроцилиндром 24 основного оборудовани , т.е. распределитель 21 обеспечивает управление одновременно трем и более гидроцилиндрами. 2 ил.FIELD OF THE INVENTION The invention relates to a lifting and transport machinery and relates to hydraulic actuators of on-board cranes. The purpose of the invention is to simplify the design and increase reliability. The hydraulic drive includes a tank 13 with a pump 1, main distributors 3, 4, including working sections 5, 6, 7, 8, 9, 10, hydraulic cylinders 14, 15, 16, 17, 24 and hydraulic motor 18 of the main equipment, hydraulic cylinders 22, 23 remote supports, a multi-position distributor 21 controlling the operation of the outrigger hydraulic cylinders and the hydraulic cylinder 24 of the main equipment, i.e. valve 21 provides control of three or more hydraulic cylinders simultaneously. 2 Il.
Description
При нейтральной позиции многопозиционного распределител 21 линии гидроцилиндров 22 и 23 выносных опор соединены линией 25 с баком 13.At the neutral position of the multi-position distributor, the 21 lines of the hydraulic cylinders 22 and 23 of the outboard supports are connected by line 25 to the tank 13.
Клапан 26 обеспечивает предохранение гидросистемы от перегрузок. Гидроцилиндр 27 (фиг. 2) вл етс приводом еще одного исполнительного органа.Valve 26 protects the hydraulic system from overloads. The hydraulic cylinder 27 (Fig. 2) is driven by another actuator.
Гидропривод работает следующим образом .The hydraulic actuator works as follows.
При нейтральном положении всех золотников распределителей 3 и 4 жидкость от насоса 1 по линии 2 поступает в распределители 3 и 4, проходит через них и по сливной линии 11 через фильтр 12At the neutral position of all spools of valves 3 and 4, the liquid from pump 1 through line 2 enters the valves 3 and 4, passes through them and through the drain line 11 through the filter 12
3535
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU884354430A SU1562304A1 (en) | 1988-01-04 | 1988-01-04 | Hydraulic drive for cargo-lifting crane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU884354430A SU1562304A1 (en) | 1988-01-04 | 1988-01-04 | Hydraulic drive for cargo-lifting crane |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1562304A1 true SU1562304A1 (en) | 1990-05-07 |
Family
ID=21346704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU884354430A SU1562304A1 (en) | 1988-01-04 | 1988-01-04 | Hydraulic drive for cargo-lifting crane |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1562304A1 (en) |
-
1988
- 1988-01-04 SU SU884354430A patent/SU1562304A1/en active
Non-Patent Citations (1)
Title |
---|
Уланов Р. Н. и др. Автомобильные подъемники и автопогрузчики - М.: Высша школа, 1977, с. 90. * |
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