CN85108231B - 叉式起重车的液压驱动回路 - Google Patents
叉式起重车的液压驱动回路Info
- Publication number
- CN85108231B CN85108231B CN85108231A CN85108231A CN85108231B CN 85108231 B CN85108231 B CN 85108231B CN 85108231 A CN85108231 A CN 85108231A CN 85108231 A CN85108231 A CN 85108231A CN 85108231 B CN85108231 B CN 85108231B
- Authority
- CN
- China
- Prior art keywords
- mentioned
- valve
- chamber
- hoist cylinder
- fork truck
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP183042/1984 | 1984-12-01 | ||
JP183042/84 | 1984-12-01 | ||
JP1984183042U JPS6198798U (US07935154-20110503-C00006.png) | 1984-12-01 | 1984-12-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN85108231A CN85108231A (zh) | 1986-05-10 |
CN85108231B true CN85108231B (zh) | 1987-11-18 |
Family
ID=16128719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN85108231A Expired CN85108231B (zh) | 1984-12-01 | 1985-11-26 | 叉式起重车的液压驱动回路 |
Country Status (5)
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7344000B2 (en) * | 2004-09-23 | 2008-03-18 | Crown Equipment Corporation | Electronically controlled valve for a materials handling vehicle |
KR101914467B1 (ko) | 2011-02-16 | 2018-11-05 | 크라운 이큅먼트 코포레이션 | 리프트 모터 속도로부터 가동 조립체의 속도를 추정하는 물류 취급 차량 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2349284A (en) * | 1942-04-07 | 1944-05-23 | Gerald W Kinzelman | Safety device for hydraulic power transmission apparatus |
US3127956A (en) * | 1954-02-25 | 1964-04-07 | Clark Equipment Co | Lift truck |
US2868174A (en) * | 1957-06-25 | 1959-01-13 | Bendix Aviat Corp | Selector valve with snubbing action |
US3016046A (en) * | 1960-05-05 | 1962-01-09 | Clark Equipment Co | Regulator valve |
US4023650A (en) * | 1975-08-20 | 1977-05-17 | Eaton Corporation | Hydraulic systems for two speed lifting |
US4192346A (en) * | 1976-08-25 | 1980-03-11 | Shoketsu Kinzoku Kogyo Kabushiki Kaisha | Control valve |
JPS54162353A (en) * | 1978-06-13 | 1979-12-22 | Toshiba Corp | Hydraulic circuit for driving cargo handling apparatus |
JPS5872776A (ja) * | 1981-10-26 | 1983-04-30 | Nissan Motor Co Ltd | フオ−クリフトのダウンセ−フテイ装置 |
-
1984
- 1984-12-01 JP JP1984183042U patent/JPS6198798U/ja active Pending
-
1985
- 1985-11-06 US US06/795,517 patent/US4716990A/en not_active Expired - Lifetime
- 1985-11-14 DE DE19853540435 patent/DE3540435A1/de active Granted
- 1985-11-26 CN CN85108231A patent/CN85108231B/zh not_active Expired
- 1985-11-29 FR FR858517730A patent/FR2574060B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2574060A1 (fr) | 1986-06-06 |
DE3540435A1 (de) | 1986-06-12 |
CN85108231A (zh) | 1986-05-10 |
US4716990A (en) | 1988-01-05 |
JPS6198798U (US07935154-20110503-C00006.png) | 1986-06-24 |
FR2574060B1 (fr) | 1989-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
C13 | Decision | ||
GR02 | Examined patent application | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |