CN103047205B - Multi-cylinder synchronisation control means, system and engineering machinery - Google Patents
Multi-cylinder synchronisation control means, system and engineering machinery Download PDFInfo
- Publication number
- CN103047205B CN103047205B CN201210581228.5A CN201210581228A CN103047205B CN 103047205 B CN103047205 B CN 103047205B CN 201210581228 A CN201210581228 A CN 201210581228A CN 103047205 B CN103047205 B CN 103047205B
- Authority
- CN
- China
- Prior art keywords
- valve
- oil
- load
- cylinder
- oil cylinder
- 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 - Fee Related
Links
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The invention provides a kind of Multi-cylinder synchronisation control means, system and engineering machinery, this Multi-cylinder synchronisation control means is after each oil cylinder of parallel connection is connected with balanced valve, reversal valve respectively, connect with a flow divider and a load-sensitive valve again, the oil-in of flow divider is communicated with an actuator port of load-sensitive valve, the oil-out of flow divider is communicated with the oil-in of the reversal valve of each oil cylinder respectively, and another actuator port of load-sensitive valve is communicated with the oil return opening of the reversal valve of each oil cylinder simultaneously; In the time that the oil circuit of each oil cylinder is all communicated with load-sensitive valve, can pass through each oil cylinder of load-sensitive valve Synchronization Control. Multi-cylinder synchronisation control means of the present invention and system adopt the load-sensitive valve can all oil cylinders of Synchronization Control, can reduce costs, and safeguard simple and conveniently, and adopt flow divider to control the oil-feed of each oil cylinder, can effectively promote the net synchronization capability of each oil cylinder.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of Multi-cylinder synchronisation control means, system and workJourney machinery.
Background technology
At present, in whole rotary drilling rig industry, all adopt two oil of two load-sensitive valve control mastsCylinder, adopts the spun digger of this system, and the net synchronization capability of its mast oil cylinder and having stable behavior performance also existProblem more or less, particularly, in the time that left and right mast oil cylinder load gap is larger, easy appearance shake etc. are existingResemble, have a strong impact on the security of rotary drilling rig operation.
Summary of the invention
In view of this, the present invention is intended to propose a kind of Multi-cylinder synchronisation control means, system and engineering machinery,Synchronous not problem when solving Multi-cylinder common load.
For achieving the above object, technical scheme of the present invention is achieved in that
On the one hand, the invention provides a kind of Multi-cylinder synchronisation control means, by each oil cylinder of parallel connection respectively withAfter balanced valve, reversal valve series connection, then connect with a flow divider and a load-sensitive valve, described flow dividerOil-in be communicated with an actuator port of described load-sensitive valve, the oil-out of described flow divider respectively withThe oil-in of the reversal valve of each oil cylinder is communicated with, another actuator port of described load-sensitive valve simultaneously with respectivelyThe oil return opening of the reversal valve of individual oil cylinder is communicated with; In the time that the oil circuit of each oil cylinder is all communicated with described load-sensitive valve,Can pass through each oil cylinder of load-sensitive valve Synchronization Control; In the time that needs are controlled a part of oil cylinder separately,Disconnect and do not need the oil cylinder of control and the oil circuit of described load-sensitive valve by the reversal valve of each oil cylinder.
On the other hand, the present invention also provides a kind of Multi-cylinder synchronous control system, comprises at least two oil cylindersAnd balanced valve and the reversal valve of connecting with each oil cylinder, also comprise flow divider and a load-sensitive valve, instituteAn actuator port stating load-sensitive valve is communicated with the oil-in of described flow divider, described flow divider fuel-displacedMouth is communicated with the oil-in of the reversal valve of each oil cylinder respectively, another actuator port of described load-sensitive valveWhile is communicated with the oil return opening of the reversal valve of each oil cylinder.
Further, described reversal valve is 3-position 4-way solenoid directional control valve.
Further, the Median Function of described reversal valve is H type.
Further, two of described reversal valve actuator ports by described balanced valve respectively with described oil cylinderRod chamber and rodless cavity are communicated with.
Further, described load-sensitive valve is 3-position 4-way electromagnetic switch load-sensitive valve.
Further, the Median Function of described load-sensitive valve is Y type.
On the one hand, the present invention also provides a kind of engineering that is provided with above-mentioned Multi-cylinder synchronous control systemMachinery.
Further, described engineering machinery is spun digger.
With respect to prior art, the present invention has following advantage:
(1) Multi-cylinder synchronisation control means of the present invention and load-sensitive valve of system employing can be sameStep is controlled all oil cylinders, can reduce costs, and safeguards simple and convenient.
(2) Multi-cylinder synchronisation control means of the present invention and system employing flow divider are controlled each oil cylinderOil-feed, can effectively promote the net synchronization capability of each oil cylinder.
(3) reversal valve of each oil cylinder of Multi-cylinder synchronous control system of the present invention and load-sensitive valve are equalFor magnetic valve, adopt complete automatically controlled scheme, be easy to regulate and realize automatically and controlling.
Brief description of the drawings
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, of the present invention showingMeaning property embodiment and explanation thereof are used for explaining the present invention, do not form inappropriate limitation of the present invention. At accompanying drawingIn:
Fig. 1 is the schematic diagram of the Multi-cylinder synchronous control system described in the embodiment of the present invention.
Description of reference numerals:
1-load-sensitive valve, 2-flow divider, 31-the first reversal valve, 32-the second reversal valve, 41-the first balanceValve, 42-the second balanced valve, 51-the first oil cylinder, 52-the second oil cylinder.
Detailed description of the invention
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the present inventionCan mutually combine. Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Multi-cylinder synchronisation control means described in the embodiment of the present invention, be by each oil cylinder of parallel connection respectively with balanceAfter valve, reversal valve series connection, then connect with a flow divider 2 and a load-sensitive valve 1, described flow divider2 oil-in is communicated with an actuator port of described load-sensitive valve 1, the oil-out of described flow divider 2Be communicated with respectively another actuator port of described load-sensitive valve 1 with the oil-in of the reversal valve of each oil cylinderWhile is communicated with the oil return opening of the reversal valve of each oil cylinder; When the oil circuit of each oil cylinder all with described load-sensitive valveWhen 1 connection, can pass through each oil cylinder of load-sensitive valve 1 Synchronization Control; When needs control one separatelyWhen part oil cylinder, disconnect by the reversal valve of each oil cylinder the oil cylinder and the described load-sensitive valve that do not need control1 oil circuit.
Below in conjunction with accompanying drawing, the Multi-cylinder synchronous control system that adopts said method is further described, asShown in Fig. 1, the Multi-cylinder control system described in the present embodiment, include load-sensitive valve 1, flow divider 2,The first reversal valve 31, the second reversal valve 32, the first balanced valve 41, the second balanced valve 42, the first oil cylinder 51With the second oil cylinder 52; This first reversal valve 31 and the second reversal valve 32 are common three position four-way electromagnetic valve,Its Median Function is H type; The first balanced valve 41 and the second balanced valve 42 are common balanced valve; This is negativeCarrying sensitive valve 1 is 3-position 4-way electromagnetic switch load-sensitive valve 1, and its Median Function is Y type; This flow divider2 have an oil-in and two oil-outs. The oil inlet P 1 of this load-sensitive valve 1 is communicated with pressure oil, returnsHydraulic fluid port T1 takes back fuel tank, and actuator port A1 is communicated with the oil-in of flow divider 2, two of this flow divider 2Oil-out is communicated with the oil inlet P 2 of the first reversal valve 31 and the oil inlet P 2 of the second reversal valve 32 respectively,The actuator port B1 while of this load-sensitive valve 1 and oil return inlet T 2, second reversal valve of the first reversal valve 3132 oil return inlet T 3 is communicated with, and actuator port A2, the B2 of this first reversal valve 31 is by the first balanced valve 41Be communicated with rod chamber and the rodless cavity of the first oil cylinder 51 respectively, the actuator port A3 of the second reversal valve 32,B3 is communicated with rod chamber and the rodless cavity of the second oil cylinder 52 respectively by the second balanced valve 42.
In the time that the Multi-cylinder synchronous control system described in the present embodiment is applied to rotary drilling rig, this first oil cylinder 51Be respectively two mast oil cylinders with the second oil cylinder 52, its specific embodiments is as follows:
One, the first oil cylinder 51 and the second oil cylinder 52 synchronously stretch out
2D, 3D, 5D simultaneously electric, pressure oil enters from the P1 mouth of load-sensitive valve 1, through flow divider 2After shunting, arrive respectively the P2 mouth of the first reversal valve 31 and the P3 mouth of the second reversal valve 32, now firstReversal valve 31, the second reversal valve 32 are all in left position; Concerning the first oil cylinder 51, pressure oil is through P2 mouthArrive B2 mouth, enter the rodless cavity of the first oil cylinder 51 through the first balanced valve 41, promote the first oil cylinder 51 and stretchGo out; Concerning the second oil cylinder 52, pressure oil arrives B3 mouth through P3 mouth, enters the through the second balanced valve 42The rodless cavity of two oil cylinders 52, promotes oil cylinder and stretches out; Now realize mast oil cylinder and synchronously stretch out function.
Two, the first oil cylinder 51 and the second oil cylinder 52 are synchronously retracted
2D, 4D, 6D simultaneously electric, pressure oil enters from the P1 mouth of load-sensitive valve 1, through flow divider 2After shunting, arrive respectively the P2 mouth of the first reversal valve 31 and the P3 mouth of the second reversal valve 32, now firstReversal valve 31, the second reversal valve 32 are all in right position; Concerning the first oil cylinder 51, pressure oil is through P2 mouthArrive A2 mouth, enter the rod chamber of the first oil cylinder 51 through the first balanced valve 41, promote oil cylinder and retract; RightThe second oil cylinder 52, pressure oil arrives A3 mouth through P3 mouth, enters as the second oil cylinder through the second balanced valve 4252 rod chamber, promotes oil cylinder and retracts; Now realize the mast oil cylinder function of synchronously retracting.
Three, the first oil cylinder 51 single movements
2D, 3D simultaneously electric, pressure oil enters from the P1 mouth of load-sensitive valve 1, shunts through flow divider 2After, arrive respectively the P2 mouth of the first reversal valve 31 and the P3 mouth of the second reversal valve 32, now the second commutationValve 32 is in meta, and the second oil cylinder 52 is motionless; The first reversal valve 31 is in left position, and pressure oil is through P2 mouthArrive B2 mouth, enter the rodless cavity of the first oil cylinder 51 through the first balanced valve 41, promote the first oil cylinder 51 and stretchGo out;
2D, 4D simultaneously electric, pressure oil enters from the P1 mouth of load-sensitive valve 1, shunts through flow divider 2After, arrive respectively the P2 mouth of the first reversal valve 31 and the P3 mouth of the second reversal valve 32, now the second commutationValve 32 is motionless in meta, the second oil cylinder 52; The first reversal valve 31 is in right position, and pressure oil is through P2 mouthArrive A2 mouth, enter the rod chamber of the first oil cylinder 51 through the first balanced valve 41, promote oil cylinder and retract; FromAnd realize the fine adjustment function of the first oil cylinder 51.
Four, the second oil cylinder 52 single movements
2D, 5D simultaneously electric, pressure oil enters from the P1 mouth of load-sensitive valve 1, shunts through flow divider 2After, arrive respectively the P2 mouth of the first reversal valve 31 and the P3 mouth of the second reversal valve 32, now the first commutationValve 31 is motionless in meta, the first oil cylinder 51; The second reversal valve 32 is in left position, and pressure oil is through P3 mouthArrive B3 mouth, enter the rodless cavity of the second oil cylinder 52 through the second balanced valve 42, promote the second oil cylinder 52 and stretchGo out;
2D, 6D simultaneously electric, pressure oil enters from the P1 mouth of load-sensitive valve 1, shunts through flow divider 2After, arrive respectively the P2 mouth of the first reversal valve 31 and the P3 mouth of the second reversal valve 32, now the first commutationValve 31 is motionless in meta, the first oil cylinder 51; The second reversal valve 32 is in right position, and pressure oil is through P3 mouthArrive A3 mouth, enter the rod chamber of the second oil cylinder 52 through the second balanced valve 42, promote oil cylinder and retract; FromAnd realize the fine adjustment function of mast the second oil cylinder 52.
Except above-mentioned Multi-cylinder synchronous control system, it is same that the present invention also provides one to be provided with above-mentioned Multi-cylinderThe engineering machinery, particularly a kind of rotary drilling rig of step control system, the knot of other each several part of this rotary drilling rigStructure, with reference to prior art, repeats no more herein.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, not all at thisWithin bright spirit and principle, any amendment of doing, be equal to replacement, improvement etc., all should be included in thisWithin bright protection domain.
Claims (9)
1. a Multi-cylinder synchronisation control means, is characterized in that, by each oil cylinder of parallel connection respectively with balanced valve,After reversal valve series connection, then connect with a flow divider (2) and a load-sensitive valve (1), described shuntingThe oil-in of valve (2) is communicated with an actuator port of described load-sensitive valve (1), described flow divider (2)Oil-out be communicated with the oil-in of the reversal valve of each oil cylinder respectively, another of described load-sensitive valve (1)The individual actuator port while is communicated with the oil return opening of the reversal valve of each oil cylinder; When the oil circuit of each oil cylinder all with described inWhen load-sensitive valve (1) is communicated with, can pass through each oil cylinder of a load-sensitive valve (1) Synchronization Control;In the time that needs are controlled a part of oil cylinder separately, disconnect by the reversal valve of each oil cylinder the oil cylinder that does not need controlOil circuit with described load-sensitive valve (1).
2. a Multi-cylinder synchronous control system, what comprise at least two oil cylinders and connect with each oil cylinder puts downWeighing apparatus valve and reversal valve, is characterized in that, also comprises flow divider (2) and a load-sensitive valve (1), described inAn actuator port of load-sensitive valve (1) is communicated with the oil-in of described flow divider (2), described shuntingThe oil-out of valve (2) is communicated with the oil-in of the reversal valve of each oil cylinder respectively, described load-sensitive valve (1)Another actuator port be communicated with the oil return opening of the reversal valve of each oil cylinder simultaneously.
3. Multi-cylinder synchronous control system according to claim 2, is characterized in that, described reversal valveFor 3-position 4-way solenoid directional control valve.
4. Multi-cylinder synchronous control system according to claim 3, is characterized in that, described reversal valveMedian Function be H type.
5. according to the Multi-cylinder synchronous control system described in claim 3 or 4, it is characterized in that, described in changeTwo actuator ports to valve are communicated with rod chamber and the rodless cavity of described oil cylinder respectively by described balanced valve.
6. Multi-cylinder synchronous control system according to claim 5, is characterized in that, described load is quickSense valve (1) is 3-position 4-way electromagnetic switch load-sensitive valve.
7. Multi-cylinder synchronous control system according to claim 6, is characterized in that, described load is quickThe Median Function of sense valve (1) is Y type.
8. an engineering machinery, is characterized in that, described engineering machinery is provided with as claim 2 to 7Multi-cylinder synchronous control system described in any one.
9. engineering machinery according to claim 8, is characterized in that, described engineering machinery is dug brill for revolvingMachine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210581228.5A CN103047205B (en) | 2012-12-28 | 2012-12-28 | Multi-cylinder synchronisation control means, system and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210581228.5A CN103047205B (en) | 2012-12-28 | 2012-12-28 | Multi-cylinder synchronisation control means, system and engineering machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103047205A CN103047205A (en) | 2013-04-17 |
| CN103047205B true CN103047205B (en) | 2016-05-11 |
Family
ID=48059985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210581228.5A Expired - Fee Related CN103047205B (en) | 2012-12-28 | 2012-12-28 | Multi-cylinder synchronisation control means, system and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103047205B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275903B (en) * | 2015-11-25 | 2017-06-13 | 上海电气液压气动有限公司 | A kind of oil cylinder high-precise synchronization control hydraulic system of super large jumbo |
| CN105545845B (en) * | 2015-11-25 | 2017-06-06 | 上海电气液压气动有限公司 | A kind of fluid pressure drive device of super large jumbo |
| CN106704281B (en) * | 2017-01-24 | 2018-09-21 | 长沙通石达机械制造有限公司 | Combined rope saw |
| CN108571488B (en) * | 2017-03-13 | 2024-01-23 | 上海融德机电工程设备有限公司 | Pulse type hydraulic partial pressure synchronous valve |
| CN106957027B (en) * | 2017-04-26 | 2019-09-17 | 中意泰达(营口)汽车保修设备有限公司 | The full-automatic leveling system of lifting machine |
| CN111577687B (en) * | 2020-05-06 | 2021-10-08 | 太原理工大学 | Load-sensitive double-hydraulic-cylinder synchronization system and control method thereof |
| CN112415603A (en) * | 2020-10-16 | 2021-02-26 | 山东大学 | Induced polarization electrode detection device, system and method carried on TBM cutter head |
| CN113294397B (en) * | 2021-04-13 | 2024-02-09 | 中铁工程装备集团有限公司 | Segment crane and shield machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201495049U (en) * | 2009-09-29 | 2010-06-02 | 四川建设机械（集团）股份有限公司 | Jacking actuating unit for stacker crane |
| CN102434512A (en) * | 2011-12-14 | 2012-05-02 | 徐州重型机械有限公司 | Hydraulic cylinder synchronization control loop and crane with same |
| CN202251172U (en) * | 2011-09-23 | 2012-05-30 | 中联重科股份有限公司 | Synchronous hydraulic cylinder control system and crane |
| CN102619803A (en) * | 2012-03-31 | 2012-08-01 | 中联重科股份有限公司 | Parallel valve group, hydraulic control loop and auxiliary device |
| CN102653378A (en) * | 2012-05-02 | 2012-09-05 | 华菱星马汽车（集团）股份有限公司 | Hydraulic device for synchronization action of two side hydraulic supporting legs of lorry-mounted crane |
| CN203067381U (en) * | 2012-12-28 | 2013-07-17 | 三一重工股份有限公司 | Multi-oil cylinder synchronous control system and engineering machinery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3810184B2 (en) * | 1997-06-25 | 2006-08-16 | 豊興工業株式会社 | Hydraulic circuit |
-
2012
- 2012-12-28 CN CN201210581228.5A patent/CN103047205B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201495049U (en) * | 2009-09-29 | 2010-06-02 | 四川建设机械（集团）股份有限公司 | Jacking actuating unit for stacker crane |
| CN202251172U (en) * | 2011-09-23 | 2012-05-30 | 中联重科股份有限公司 | Synchronous hydraulic cylinder control system and crane |
| CN102434512A (en) * | 2011-12-14 | 2012-05-02 | 徐州重型机械有限公司 | Hydraulic cylinder synchronization control loop and crane with same |
| CN102619803A (en) * | 2012-03-31 | 2012-08-01 | 中联重科股份有限公司 | Parallel valve group, hydraulic control loop and auxiliary device |
| CN102653378A (en) * | 2012-05-02 | 2012-09-05 | 华菱星马汽车（集团）股份有限公司 | Hydraulic device for synchronization action of two side hydraulic supporting legs of lorry-mounted crane |
| CN203067381U (en) * | 2012-12-28 | 2013-07-17 | 三一重工股份有限公司 | Multi-oil cylinder synchronous control system and engineering machinery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103047205A (en) | 2013-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103047205B (en) | Multi-cylinder synchronisation control means, system and engineering machinery | |
| CN102996553B (en) | Support leg hydraulic system and engineering machinery | |
| CN202132293U (en) | M-type function directional valve and engineering machinery | |
| CN103423221B (en) | Multi-oil-cylinder sequence telescopic hydraulic system and engineering machinery | |
| CN104692266B (en) | Hydraulic system for telescopic buffer of crane boom and crane | |
| CN102588365A (en) | Double-cylinder synchronous control hydraulic system and engineering machinery | |
| CN104863914B (en) | A kind of electro-hydraulic joint control converging valve | |
| CN102619805B (en) | Hydraulic cylinder suitable for controlling plurality of hydraulic cylinders to extend sequentially | |
| CN102838042B (en) | Crane and double-telescopic-cylinder independent control hydraulic system thereof | |
| CN105351263A (en) | Differential hydraulic cylinder control loop | |
| CN203361153U (en) | Novel pile hammer hydraulic control system | |
| CN102734501B (en) | Converging multipath valve and crane hydraulic system | |
| CN103420290B (en) | Telescopic protection system and crane | |
| CN205117873U (en) | Many function test power source system are used to sensitive multiple unit valve of load | |
| CN102518612B (en) | Regeneration function implementing device for bucket arm of hydraulic excavator | |
| CN103321984A (en) | Hydraulic control system for differential oil compensation with electric-hydraulic proportional cartridge valves | |
| CN202707689U (en) | Hinged hydraulic system and shield tunneling machine | |
| CN207080447U (en) | Synchronous hydraulic corrects system | |
| CN104828701B (en) | Hydraulic control system and crane therewith | |
| CN203067381U (en) | Multi-oil cylinder synchronous control system and engineering machinery | |
| CN104481944B (en) | Depressurizing system and engineering machinery | |
| CN104555763A (en) | Crane counterweight synchronizing hydraulic system and crane | |
| CN110499798A (en) | A kind of explosion-proof valve, hydraulic control system, hydraulic control method and excavator | |
| CN205260466U (en) | Fork sword action hydraulic system and fork truck | |
| CN103030065B (en) | Hydraulic locking control system, hydraulic assembly of crane, and crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20161228 |