CN201836133U - Multi-cylinder synchronous hydraulic control system - Google Patents
Multi-cylinder synchronous hydraulic control system Download PDFInfo
- Publication number
- CN201836133U CN201836133U CN2010202556669U CN201020255666U CN201836133U CN 201836133 U CN201836133 U CN 201836133U CN 2010202556669 U CN2010202556669 U CN 2010202556669U CN 201020255666 U CN201020255666 U CN 201020255666U CN 201836133 U CN201836133 U CN 201836133U
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- hydraulic
- synchronous
- hydraulic jack
- power source
- loop
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Abstract
The utility model relates to a multi-cylinder synchronous hydraulic control system which mainly comprises a hydraulic cylinder operation loop and a synchronous corrective loop. The hydraulic cylinder operation loop comprises a hydraulic power source and N (N is larger than or equal to 2) hydraulic cylinders; the hydraulic power source is connected with the hydraulic cylinders in sequence in series through a pipeline to form a circulation loop; the synchronous corrective loop comprises a hydraulic power source, electromagnetic directional valves and self-locking valves; the number of the self-locking valves is N minus 1; the number of the electromagnetic directional valves is (N minus 1) * 2; the hydraulic power source is connected with the oil inlet of each electromagnetic directional valve; the oil outlets of every two electromagnetic directional valves are connected with each self-locking valve; and the oil inlets and the oil outlets of the self-locking valves are connected with a pipeline between adjacent hydraulic cylinders in series. When the system is operated, the hydraulic power source supplies liquid to the hydraulic cylinders which are connected in series, and the hydraulic cylinders execute operations; and meanwhile, the electromagnetic directional valves of the synchronous corrective loop are operated, the self-locking valves connected with hydraulic cylinder pipelines are subjected to hydraulic oil supplement and discharge through the hydraulic power source, so as to realize synchronous correcting, and guarantee the synchronous operation of all the hydraulic cylinders.
Description
Technical field
The utility model relates to a kind of hydraulic control system, particularly a kind of multicylinder synchronous hydraulic control system.
Background technique
Along with the raising of mechanization degree, structure, the quality of hydraulic system are also had higher requirement.Owing to multiple reason, there is certain kinematic error in traditional hydraulic system when often oil cylinder is worked when the synchronous operation of control multi-cylinder, can't accomplish accurately synchronously, influences the equipment work stationarity.
For example for solving the underground stereo garage that the parking difficulty problem now is in development, its lifting mechanism of fetching and delivering platform is used to hold up the fastening device of clamping automobile, so that it is pushed parking position from fetching and delivering platform, or is taken back by parking position and to fetch and deliver platform.It adopts four hydraulic jacks of conventional HYDRAULIC CONTROL SYSTEM to promote synchronously or down maneuver, because a variety of causes such as hydraulic pipe line length and each parts resistance cause to occur shaking phenomenon when fetching and delivering the platform lifting.
The model utility content
The technical problems to be solved in the utility model provides a kind of multicylinder synchronous hydraulic control system.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of multicylinder synchronous hydraulic control system, its innovative point is: it mainly is made up of hydraulic jack work loop and synchronous corrective loop, hydraulic jack work loop comprises: the individual hydraulic jack of hydraulic power and N (N 〉=2), hydraulic power are connected in series successively by pipeline with each hydraulic jack and constitute a circulation loop; Corrective loop comprises hydraulic power, solenoid directional control valve and latching valve synchronously, the number of latching valve is N-1, the number of solenoid directional control valve is 2 of (N-1) *, hydraulic power is connected with each solenoid directional control valve filler opening, the oil outlet of each solenoid directional control valve is connected with latching valve in twos, latching valve be connected in series pipeline between each adjacent hydraulic jack into and out of hydraulic fluid port.
Advantage of the present utility model is: during work, by hydraulic power the hydraulic jack of connecting is carried out feed flow, hydraulic jack is carried out each action; Simultaneously, synchronously the electromagnetic switch valve events of corrective loop carries out repairing or emptying by hydraulic power to the latching valve that inserts the hydraulic jack pipeline, realizes revising synchronously, has guaranteed that the action of each hydraulic jack is synchronous, and it has nothing to do with load when synchronous.
Description of drawings
Fig. 1 is the structural representation of the utility model multicylinder synchronous hydraulic control system;
Fig. 2 is installed to the schematic representation that the platform lifting mechanism is fetched and delivered in the underground stereo garage for the utility model multicylinder synchronous hydraulic control system.
Embodiment
As shown in Figure 1, 2, the utility model relates to a kind of multicylinder synchronous hydraulic control system, and it mainly is made up of hydraulic jack work loop and synchronous corrective loop,
Hydraulic jack work loop comprises: four hydraulic jacks: first hydraulic jack 1, second hydraulic jack 2, the 3rd hydraulic jack 3, the 4th hydraulic jack 4 and a hydraulic power 5, specifically be connected to: the oil outlet of hydraulic power 5 is communicated with the rod chamber of first hydraulic jack 1, the rod chamber of first hydraulic jack 1 is communicated with by the rodless cavity of oil pipe with second hydraulic jack 2, the rod chamber of second hydraulic jack 2 is communicated with by the rodless cavity of oil pipe with the 3rd hydraulic jack 3, the rod chamber of the 3rd hydraulic jack 3 is communicated with by the rodless cavity of oil pipe with the 4th hydraulic jack 4, and the rod chamber of the 4th hydraulic jack 4 inserts the return opening of hydraulic power 5, so constitutes a circulation loop.
Corrective loop comprises six solenoid directional control valves synchronously: first solenoid directional control valve 6, second solenoid directional control valve 7, the 3rd solenoid directional control valve 8, the 4th solenoid directional control valve 9, the 5th solenoid directional control valve 10, the 6th solenoid directional control valve 11, six latching valves: first latching valve 12, second latching valve 13, the 3rd latching valve 14, and the hydraulic power 5 shared with hydraulic jack work loop.The oil outlet of hydraulic power 5 is connected with the filler opening of each solenoid directional control valve 6,7,8,9,10,11, the oil outlet of each solenoid directional control valve is connected with latching valve in twos: solenoid directional control valve 6,7 inserts first latching valve 12, solenoid directional control valve 8,9 inserts second latching valve 13, and solenoid directional control valve 10,11 inserts the 3rd latching valve 14.
And two hydraulic fluid ports of each latching valve are serially connected on the pipeline between the adjacent hydraulic jack, concrete: first latching valve 12 is serially connected on the oil pipe between first hydraulic jack 1 and second hydraulic jack 2, make a hydraulic fluid port of latching valve 12 be communicated with the rod chamber of first hydraulic jack 1, another hydraulic fluid port is communicated with the rodless cavity of second hydraulic jack 2; Second latching valve 13 is serially connected on the oil pipe between second hydraulic jack 2 and the 3rd hydraulic jack 3, makes a hydraulic fluid port of latching valve 13 be communicated with the rod chamber of second hydraulic jack 2, and another hydraulic fluid port is communicated with the rodless cavity of the 3rd hydraulic jack 3; The 3rd latching valve 14 is serially connected on the oil pipe between the 3rd hydraulic jack 3 and the 4th hydraulic jack 4, makes a hydraulic fluid port of latching valve 14 be communicated with the rod chamber of the 3rd hydraulic jack 3, and another hydraulic fluid port is communicated with the rodless cavity of the 4th hydraulic jack 4.
Specifically be installed to when working on the lifting mechanism of fetching and delivering platform, as shown in Figure 2, four hydraulic jacks are upside down on the base plate 15 of fetching and delivering platform, its piston rod is fixedlyed connected with base plate 15, cylinder body is fixedlyed connected with the fastening device 16 of fetching and delivering platform, hydraulic power carries out feed flow by oil outlet to four hydraulic jacks, make hydraulic jack carry out the upstream or downstream action simultaneously to putting in place fully, when hydraulic jack stretches out jack-up fastening device 16 fully, first solenoid directional control valve 6, the 3rd solenoid directional control valve 8,10 actions of the 5th solenoid directional control valve, give first hydraulic jack 1, second hydraulic jack 2, the 3rd hydraulic jack 3,4 repairings of the 4th hydraulic jack, when hydraulic jack is withdrawn when packing up fastening device 16 fully, second solenoid directional control valve 7, the 4th solenoid directional control valve 9,11 actions of the 6th solenoid directional control valve, give first hydraulic jack 1, second hydraulic jack 2, the 3rd hydraulic jack 3, the 4th hydraulic jack 4 emptyings, realize the synchronous correction of oil cylinder, guarantee that four hydraulic jacks lift the fastening device 16 of visitor's terrace with moved further.
Claims (1)
1. multicylinder synchronous hydraulic control system, it is characterized in that: it mainly is made up of hydraulic jack work loop, synchronous corrective loop, hydraulic jack work loop comprises: a hydraulic power and N hydraulic jack, N 〉=2, hydraulic power are connected in series successively by pipeline with each hydraulic jack and constitute a circulation loop; Corrective loop comprises hydraulic power, solenoid directional control valve and latching valve synchronously, the number of latching valve is N-1, the number of solenoid directional control valve is 2 of (N-1) *, hydraulic power is connected with each solenoid directional control valve filler opening, the oil outlet of each solenoid directional control valve is connected with latching valve in twos, latching valve be connected in series pipeline between each adjacent hydraulic jack into and out of hydraulic fluid port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202556669U CN201836133U (en) | 2010-07-13 | 2010-07-13 | Multi-cylinder synchronous hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202556669U CN201836133U (en) | 2010-07-13 | 2010-07-13 | Multi-cylinder synchronous hydraulic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201836133U true CN201836133U (en) | 2011-05-18 |
Family
ID=44006237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202556669U Expired - Lifetime CN201836133U (en) | 2010-07-13 | 2010-07-13 | Multi-cylinder synchronous hydraulic control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201836133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671305A (en) * | 2013-12-18 | 2014-03-26 | 中国原子能科学研究院 | Synchronous hydraulic lifting device for circular accelerator |
| CN108131349A (en) * | 2018-02-07 | 2018-06-08 | 上海中驰自动控制技术有限公司 | The changeable single action circuit synchronous with series connection and its application method |
-
2010
- 2010-07-13 CN CN2010202556669U patent/CN201836133U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671305A (en) * | 2013-12-18 | 2014-03-26 | 中国原子能科学研究院 | Synchronous hydraulic lifting device for circular accelerator |
| CN108131349A (en) * | 2018-02-07 | 2018-06-08 | 上海中驰自动控制技术有限公司 | The changeable single action circuit synchronous with series connection and its application method |
| CN108131349B (en) * | 2018-02-07 | 2023-12-05 | 上海中驰自动控制技术有限公司 | Loop capable of switching single action and series synchronization and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110518 |
|
| CX01 | Expiry of patent term |