CN103511373A - Synchronous control hydraulic system - Google Patents
Synchronous control hydraulic system Download PDFInfo
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- CN103511373A CN103511373A CN201210211521.2A CN201210211521A CN103511373A CN 103511373 A CN103511373 A CN 103511373A CN 201210211521 A CN201210211521 A CN 201210211521A CN 103511373 A CN103511373 A CN 103511373A
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- fluid port
- hydraulic fluid
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Abstract
The invention provides a synchronous control hydraulic system which integrates the function that the loosening action is faster than the clamping action, the function that the loosening action and the clamping action are synchronous, the function of pressure maintaining of executive components and the function of lateral movement. The synchronous control hydraulic system comprises a flow distributing and collecting valve, a first trimmer valve, a second trimmer valve, a first hydraulic control one-way valve, a second hydraulic control one-way valve, a third hydraulic control one-way valve, a shuttle valve, the first executive component and the second executive component, wherein all the hydraulic valves are installed on an oil-way plate, the oil-way plate is connected with the first executive component and the second executive component, so that the situation that the loosening action of the first executive component and the second executive component is faster than the clamping action and the situation of synchronous loosening and clamping actions are achieved; meanwhile, goods do not fall off and a CLAMP oil way and an OPEN oil way are disconnected after the CLAMP oil way and the OPEN oil way are cut off, and an SSR oil mouth or an SSL oil mouth supplies oil so as to achieve rightward movement or leftward movement.
Description
Technical field
The present invention relates to a kind of synchronous control hydraulic system.
Background technique
At present, the accessories such as the flat folder of fork truck configuration class, side shifter are very general in particular client group, handling efficiency is high, reduce a dead lift cost, but the weakness that its two jig arm can not realize synchronization motion, sideward sliding function has restricted the accessory products such as flat folder class, side shifter and can only apply in low-end market, the high performance Attachments of FT of the eager demand of high-end customer, meets its usage requirement.
Summary of the invention
The object of the invention is to provide a kind of movement speed of simultaneously opening faster than clamping holding function, opens, clamps action synchronizing function, executive component pressure holding function, the hydraulic system that sideward sliding function is integrated in one.
In order to address the above problem, the present invention is achieved by the following technical solutions:
Synchronous control hydraulic system of the present invention, comprise flow divider-combiner, the first trimmer valve, the second trimmer valve, the first Pilot operated check valve, the second Pilot operated check valve, the 3rd Pilot operated check valve, shuttle valve, the first executive component and the second executive component, all kinds of hydrovalves are installed on oil-way board above, oil-way board is provided with CLAMP hydraulic fluid port, OPEN hydraulic fluid port, SSR or SSL hydraulic fluid port, the second Pilot operated check valve and the 3rd Pilot operated check valve are controlled by CLAMP hydraulic fluid port, CLAMP hydraulic fluid port disconnects, the second Pilot operated check valve and the 3rd Pilot operated check valve is unidirectional closes, the first Pilot operated check valve is controlled by OPEN hydraulic fluid port, OPEN hydraulic fluid port disconnects, the first Pilot operated check valve is unidirectional closes, shuttle valve is between CLAMP hydraulic fluid port and OPEN hydraulic fluid port, during OPEN hydraulic fluid port fuel feeding, form differential oil line, during CLAMP hydraulic fluid port fuel feeding, 2 the first trimmer valves in parallel and the second trimmer valve are positioned at flow divider-combiner front end, prevent that pressure fluctuation from impacting flow divider-combiner, stablize net synchronization capability, oil-way board is connected with the second executive component with the first executive component, can make the first executive component and the second executive component realize and open action faster than clamping action and realizing and synchronously opening, clamp action, simultaneously, realize and cut off CLAMP, after OPEN oil circuit, goods does not drop, disconnect CLAMP, OPEN oil circuit, SSR or SSL hydraulic fluid port fuel feeding, can realize to the right or left side is moved.
Further, during OPEN hydraulic fluid port fuel feeding, shuttle valve action, forms differential oil line, makes executive component open action faster than clamping action.
Further, when CLAMP or OPEN hydraulic fluid port fuel feeding, trimmer valve, synchronous valve work, make two executive component flows identical, realizes action synchronous.
Further, executive component is carried out and is clamped after action, disconnects oil circuit, and three Pilot operated check valves make executive component pressurize, thereby goods can not drop.
Further, when SSR or SSL hydraulic fluid port fuel feeding, three Pilot operated check valves are closed, and make two executive component series connection, realize load or unloaded sideward sliding function.
Further, will open movement speed faster than clamping holding function, open, clamp action synchronizing function, executive component pressure holding function, sideward sliding function is integrated in one.
Compared with prior art, the invention has the beneficial effects as follows: 1, during OPEN hydraulic fluid port fuel feeding, shuttle valve action, forms differential oil line, make executive component open action faster than clamping action.2,, when CLAMP or OPEN hydraulic fluid port fuel feeding, trimmer valve, separated combiner valve work, make two executive component flows identical, realizes action synchronous.3, executive component is carried out and is clamped after action, disconnects oil circuit, and a Pilot operated check valve makes executive component pressurize, thereby goods can not drop.4,, when SSR or SSL hydraulic fluid port fuel feeding, three Pilot operated check valves are closed, and make two executive components series connection, realize load or unloaded sideward sliding function.5, will open movement speed faster than clamping holding function, open, clamp action synchronizing function, executive component pressure holding function, sideward sliding function is integrated in one.
Accompanying drawing explanation
Fig. 1 is that synchronous control hydraulic system of the present invention is integrated in the outline drawing on valve body;
Fig. 2 is the fundamental diagram of synchronous control hydraulic system of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
As depicted in figs. 1 and 2, a kind of synchronous control hydraulic system, comprise flow divider-combiner 101, the first trimmer valve 102, the second trimmer valve 103, the first Pilot operated check valve 104, the second Pilot operated check valve 105, the 3rd Pilot operated check valve 106, shuttle valve 107, the first executive component 201 and the second executive component 202, all kinds of hydrovalves are installed on oil-way board above, oil-way board is provided with CLAMP hydraulic fluid port, OPEN hydraulic fluid port, SSR or SSL hydraulic fluid port, the second Pilot operated check valve 105 and the 3rd Pilot operated check valve 106 are controlled by CLAMP hydraulic fluid port, CLAMP hydraulic fluid port disconnects, the second Pilot operated check valve 105 and the 3rd Pilot operated check valve 106 is unidirectional closes, the first Pilot operated check valve 104 is controlled by OPEN hydraulic fluid port, OPEN hydraulic fluid port disconnects, first Pilot operated check valve 104 is unidirectional closes, shuttle valve 107 is between CLAMP hydraulic fluid port and OPEN hydraulic fluid port, during OPEN hydraulic fluid port fuel feeding, form differential oil line, during CLAMP hydraulic fluid port fuel feeding, 2 the first trimmer valves 102 in parallel and the second trimmer valve 103 are positioned at flow divider-combiner 101 front ends, prevent that pressure fluctuation from impacting flow divider-combiner, stablize net synchronization capability, oil-way board is connected with the second executive component 202 with the first executive component 201, can make the first executive component 201 and the second executive component 202 realize and open action faster than clamping action and realizing and synchronously opening, clamp action, simultaneously, realize and cut off CLAMP, after OPEN oil circuit, goods 301 does not drop, disconnect CLAMP, OPEN oil circuit, SSR or SSL hydraulic fluid port fuel feeding, can realize to the right or left side is moved.
During OPEN hydraulic fluid port fuel feeding, shuttle valve action, forms differential oil line, makes executive component open action faster than clamping action, and when CLAMP or OPEN hydraulic fluid port fuel feeding, trimmer valve, synchronous valve work, make two executive component flows identical, realizes action synchronous.Executive component is carried out and is clamped after action, disconnects oil circuit, and three Pilot operated check valves make executive component pressurize, thereby goods can not drop.When SSR or SSL hydraulic fluid port fuel feeding, three Pilot operated check valves are closed, and make two executive component series connection, realize load or unloaded sideward sliding function.To open movement speed faster than clamping holding function, open, clamp action synchronizing function, executive component pressure holding function, sideward sliding function is integrated in one.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (5)
1. a synchronous control hydraulic system, is characterized in that: comprise flow divider-combiner, the first trimmer valve, the second trimmer valve, the first Pilot operated check valve, the second Pilot operated check valve, the 3rd Pilot operated check valve, shuttle valve, the first executive component and the second executive component, above all kinds of hydrovalves are installed on oil-way board, and oil-way board is provided with CLAMP hydraulic fluid port, OPEN hydraulic fluid port, SSR or SSL hydraulic fluid port, the second Pilot operated check valve and the 3rd Pilot operated check valve are controlled by CLAMP hydraulic fluid port, CLAMP hydraulic fluid port disconnects, the second Pilot operated check valve and the 3rd Pilot operated check valve is unidirectional closes, the first Pilot operated check valve is controlled by OPEN hydraulic fluid port, OPEN hydraulic fluid port disconnects, the first Pilot operated check valve is unidirectional closes, shuttle valve is between CLAMP hydraulic fluid port and OPEN hydraulic fluid port, during OPEN hydraulic fluid port fuel feeding, form differential oil line, during CLAMP hydraulic fluid port fuel feeding, 2 the first trimmer valves in parallel and the second trimmer valve are positioned at flow divider-combiner front end, oil-way board is connected with the second executive component with the first executive component, can make the first executive component and the second executive component realize and open action faster than clamping action and realizing and synchronously opening, clamp action, meanwhile, realize and cut off CLAMP, after OPEN oil circuit, goods does not drop, disconnect CLAMP, OPEN oil circuit, SSR or SSL hydraulic fluid port fuel feeding, can realize to the right or left side is moved.
2. synchronous control hydraulic system according to claim 1, is characterized in that: during OPEN hydraulic fluid port fuel feeding, shuttle valve action, forms differential oil line, makes executive component open action faster than clamping action.
3. synchronous control hydraulic system according to claim 1, is characterized in that: when CLAMP or OPEN hydraulic fluid port fuel feeding, trimmer valve, synchronous valve work, make two executive component flows identical, realizes action synchronous.
4. synchronous control hydraulic system according to claim 1, is characterized in that: executive component is carried out and clamped after action, disconnects oil circuit, and three Pilot operated check valves make executive component pressurize, thereby goods can not drop.
5. synchronous control hydraulic system according to claim 1, is characterized in that: when SSR or SSL hydraulic fluid port fuel feeding, three Pilot operated check valves are closed, and makes two executive component series connection, realizes load or unloaded sideward sliding function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210211521.2A CN103511373B (en) | 2012-06-26 | 2012-06-26 | Synchronous control hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210211521.2A CN103511373B (en) | 2012-06-26 | 2012-06-26 | Synchronous control hydraulic system |
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| Publication Number | Publication Date |
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| CN103511373A true CN103511373A (en) | 2014-01-15 |
| CN103511373B CN103511373B (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210211521.2A Active CN103511373B (en) | 2012-06-26 | 2012-06-26 | Synchronous control hydraulic system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105217532A (en) * | 2015-09-30 | 2016-01-06 | 江苏柳工机械有限公司 | Loader laterally embraces the auxiliary receipts or other documents in duplicate stick control device of fork |
| CN105402177A (en) * | 2015-12-25 | 2016-03-16 | 徐州重型机械有限公司 | Execution mechanism regulating device and engineering machinery |
| CN110905873A (en) * | 2019-11-28 | 2020-03-24 | 安庆联动属具股份有限公司 | Quick-opening energy-saving rotary hydraulic device |
| CN112268029A (en) * | 2020-09-25 | 2021-01-26 | 杭叉集团股份有限公司 | Sidesway distance-adjusting attachment valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3801133A1 (en) * | 1988-01-16 | 1989-07-27 | Kaup Gmbh & Co Kg | Attachment for a lift truck |
| EP0959039A2 (en) * | 1998-05-11 | 1999-11-24 | Cascade Corporation | Clamp for handling stacked loads of different sizes at different maximum clamping forces |
| EP1122209A1 (en) * | 2000-02-07 | 2001-08-08 | Hans H. Meyer GmbH | Gripping device for a lift truck |
| CN201485234U (en) * | 2009-08-04 | 2010-05-26 | 厦门厦工机械股份有限公司 | Synchronous device achieving fork of forklift |
| 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 |
| JP2011519799A (en) * | 2008-04-30 | 2011-07-14 | カスケード コーポレーション | Hydraulic valve circuit with damage control override |
| CN202245776U (en) * | 2011-08-11 | 2012-05-30 | 三一汽车起重机械有限公司 | Oil cylinder telescoping control device, elevator boom and hoisting machinery |
-
2012
- 2012-06-26 CN CN201210211521.2A patent/CN103511373B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3801133A1 (en) * | 1988-01-16 | 1989-07-27 | Kaup Gmbh & Co Kg | Attachment for a lift truck |
| EP0959039A2 (en) * | 1998-05-11 | 1999-11-24 | Cascade Corporation | Clamp for handling stacked loads of different sizes at different maximum clamping forces |
| EP1122209A1 (en) * | 2000-02-07 | 2001-08-08 | Hans H. Meyer GmbH | Gripping device for a lift truck |
| JP2011519799A (en) * | 2008-04-30 | 2011-07-14 | カスケード コーポレーション | Hydraulic valve circuit with damage control override |
| CN201485234U (en) * | 2009-08-04 | 2010-05-26 | 厦门厦工机械股份有限公司 | Synchronous device achieving fork of forklift |
| 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 |
| CN202245776U (en) * | 2011-08-11 | 2012-05-30 | 三一汽车起重机械有限公司 | Oil cylinder telescoping control device, elevator boom and hoisting machinery |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105217532A (en) * | 2015-09-30 | 2016-01-06 | 江苏柳工机械有限公司 | Loader laterally embraces the auxiliary receipts or other documents in duplicate stick control device of fork |
| CN105402177A (en) * | 2015-12-25 | 2016-03-16 | 徐州重型机械有限公司 | Execution mechanism regulating device and engineering machinery |
| CN110905873A (en) * | 2019-11-28 | 2020-03-24 | 安庆联动属具股份有限公司 | Quick-opening energy-saving rotary hydraulic device |
| CN112268029A (en) * | 2020-09-25 | 2021-01-26 | 杭叉集团股份有限公司 | Sidesway distance-adjusting attachment valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103511373B (en) | 2016-08-03 |
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| C06 | Publication | ||
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| C53 | Correction of patent of invention or patent application | ||
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Address after: 246008 Anhui city of Anqing Province Economic and Technological Development Zone Fang Road Applicant after: Anqing Liandong Engineering Trucks Attachments Co., Ltd. Address before: 246001 Yingbin Road, Anqing Development Zone, Anhui, 309 Applicant before: Anqing Liandong Engineering Trucks Attachments Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |