FR2394702A1 - Mecanisme de deplacement pas a pas le long d'une tige - Google Patents
Mecanisme de deplacement pas a pas le long d'une tigeInfo
- Publication number
- FR2394702A1 FR2394702A1 FR7719545A FR7719545A FR2394702A1 FR 2394702 A1 FR2394702 A1 FR 2394702A1 FR 7719545 A FR7719545 A FR 7719545A FR 7719545 A FR7719545 A FR 7719545A FR 2394702 A1 FR2394702 A1 FR 2394702A1
- Authority
- FR
- France
- Prior art keywords
- piston rod
- shaft
- double acting
- cylinder
- displacement mechanism
- 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.)
- Granted
Links
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
- B66F1/00—Devices, e.g. jacks, for lifting loads in predetermined steps
- B66F1/02—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts
- B66F1/025—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the devices being operated by fluid pressure
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Actuator (AREA)
Abstract
L'invention se rapporte à un mécanisme de déplacement pas à pas le long d'une tige, de préférence verticale. L'invention se particularise par un vérin à double effet à tige intérieure creuse coaxiale à la tige de déplacement, le corps du vérin étant monté solidaire d'un dispositif de blocage sur la tige de déplacement présentant un dispositif analogue solidaire de la tige du piston pour un mouvement d'avance pas à pas avec un verrouillage temporaire à chaque avance. Application: remplacement de vérins à grande portée, levage et mise en position de charges et d'outils.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7719545A FR2394702A1 (fr) | 1977-06-17 | 1977-06-17 | Mecanisme de deplacement pas a pas le long d'une tige |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7719545A FR2394702A1 (fr) | 1977-06-17 | 1977-06-17 | Mecanisme de deplacement pas a pas le long d'une tige |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2394702A1 true FR2394702A1 (fr) | 1979-01-12 |
FR2394702B1 FR2394702B1 (fr) | 1980-03-07 |
Family
ID=9192580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7719545A Granted FR2394702A1 (fr) | 1977-06-17 | 1977-06-17 | Mecanisme de deplacement pas a pas le long d'une tige |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2394702A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104632760A (zh) * | 2015-02-28 | 2015-05-20 | 武汉武船机电设备有限责任公司 | 一种液压缸 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108953290A (zh) * | 2018-07-26 | 2018-12-07 | 佛山三水鼎力液压机械设备有限公司 | 一种油缸牵引装置 |
-
1977
- 1977-06-17 FR FR7719545A patent/FR2394702A1/fr active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104632760A (zh) * | 2015-02-28 | 2015-05-20 | 武汉武船机电设备有限责任公司 | 一种液压缸 |
Also Published As
Publication number | Publication date |
---|---|
FR2394702B1 (fr) | 1980-03-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |