CN110792646A - Clutch and oil cylinder integrated control hydraulic system - Google Patents
Clutch and oil cylinder integrated control hydraulic system Download PDFInfo
- Publication number
- CN110792646A CN110792646A CN201911176023.7A CN201911176023A CN110792646A CN 110792646 A CN110792646 A CN 110792646A CN 201911176023 A CN201911176023 A CN 201911176023A CN 110792646 A CN110792646 A CN 110792646A
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- CN
- China
- Prior art keywords
- valve
- clutch
- middle position
- oil pump
- oil
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/023—Excess flow valves, e.g. for locking cylinders in case of hose burst
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
A clutch and oil cylinder integrated control hydraulic system comprises an oil cylinder, a limit valve, a two-position three-way valve, a middle position transition valve, a balance valve, a clutch, a proportional valve and parts of an oil pump, wherein one end of the oil pump is connected with an oil tank, and the other end of the oil pump is connected with a first proportional valve, a second proportional valve, a first two-position three-way valve and a first middle position transition valve; the first two-position three-way valve is connected with the first middle position transition valve, and the first clutch is connected with the first middle position transition valve; the first proportional valve is connected with the first oil cylinder through a first limit valve; the implementation of the invention realizes the simultaneous control of the clutch and the brake in the same hydraulic system, and simultaneously the oil circuit system has simpler structure, can control a plurality of clutches and oil cylinders by expanding connection, and can be popularized and used in various systems needing a plurality of hydraulic actuators.
Description
Technical Field
The invention belongs to the technical field of hydraulic control, and particularly relates to a clutch and oil cylinder comprehensive control hydraulic system.
Background
Hydraulic technology has penetrated into many fields, and is continuously applied and developed in industries such as civil industry, machine tools, engineering machinery, metallurgical machinery, plastic machinery, agriculture and forestry machinery, automobiles, ships and the like, and is developed into a complete automatic technology including transmission, control and detection. Nowadays, the degree of hydraulic transmission is one of the important indicators for the industrial level of a country. For example, 95% of engineering machinery, 90% of numerical control machining centers and more than 95% of automatic lines produced in developed countries adopt hydraulic transmission technology. The hydraulic technology has good development prospect as a convenient and cheap automation technology. The hydraulic product has a large market in the traditional fields of electromechanics, light spinning, household appliances and the like, and has a wide development space in the fields of emerging industries such as information technology industry, biological product industry, micro-nano fine processing and the like.
At present, a hydraulic system on a transmission mainly controls a clutch or a brake, and with the demand of the development and diversification of the transmission, higher requirements are put forward on the control system, and the hydraulic system not only needs to complete the control of the clutch and the brake, but also needs to perform related control on various functional oil cylinders.
Disclosure of Invention
In order to solve the technical problem, the invention provides a clutch and oil cylinder comprehensive control hydraulic system.
The invention is realized by the following technical scheme.
The invention provides a clutch and oil cylinder integrated control hydraulic system which comprises an oil cylinder, a limit valve, a two-position three-way valve, a middle position transition valve, a balance valve, a clutch, a proportional valve and an oil pump, wherein one end of the oil pump is connected with an oil tank, and the other end of the oil pump is connected with a first proportional valve, a second proportional valve, a first two-position three-way valve and a first middle position transition valve; the first two-position three-way valve is connected with the first middle position transition valve, and the first clutch is connected with the first middle position transition valve; the first proportional valve is connected with the first oil cylinder through a first limit valve; the second proportional valve is connected with the second oil cylinder after passing through the balance valve.
Further, still include that first relief valve installs between first two position three way valve and oil pump.
Further, still include the second relief valve, second relief valve one end is connected to the export of oil pump, and the other end is connected to the oil tank.
Further, still include second two position three-way valve, second meso position transition valve and second clutch, the second two position three-way valve is connected with oil pump and second meso position transition valve, and the second clutch is connected to second meso position valve.
The oil pump is connected with the first two-position three-way valve, the first middle position transition valve is connected with the oil pump, and the second clutch is connected with the first middle position transition valve.
Further, still include fourth two position three-way valve, fourth meso position transition valve and fourth clutch, the fourth two position three-way valve is connected with oil pump and fourth meso position transition valve, and the fourth clutch is connected to fourth meso position valve.
The hydraulic control system further comprises a fifth two-position three-way valve, a fifth middle position transition valve and a fifth clutch, wherein the fifth two-position three-way valve is connected with the oil pump and the fifth middle position transition valve, and the fifth clutch is connected to the fifth middle position valve.
Further, the two-position three-way valve is a two-position three-way electromagnetic valve.
The invention has the beneficial effects that: the implementation of the invention realizes the simultaneous control of the clutch and the brake in the same hydraulic system, and the oil circuit system has simpler structure, can control a plurality of clutches and oil cylinders by expanding connection, and can be popularized and used in various systems needing a plurality of hydraulic actuators.
Drawings
FIG. 1 is a schematic diagram of a hydraulic system of the present invention;
in the figure: 1-a first oil cylinder, 2-a first limit valve, 3-a first safety valve, 4-a first two-position three-way valve, 5-a first middle transition valve, 6-a second two-position three-way valve, 7-a second middle transition valve, 8-a third two-position three-way valve, 9-a third middle transition valve, 10-a third two-position three-way valve, 11-a fourth two-position three-way valve, 12-a fourth middle transition valve, 13-a fifth middle transition valve, 14-a fifth clutch, 15-a fourth clutch, 16-a second oil cylinder, 17-a third clutch, 18-a second clutch, 19-a balance valve, 20-a first clutch, 21-a first proportional valve, 22-a second proportional valve, 23-a second safety valve and 24-an oil pump.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, a clutch and cylinder integrated control hydraulic system comprises a cylinder, a limit valve, a two-position three-way valve, a middle transition valve, a balance valve, a clutch, a proportional valve and components of an oil pump, wherein one end of the oil pump 24 is connected with an oil tank, and the other end of the oil pump is connected with a first proportional valve 21, a second proportional valve 22, a first two-position three-way valve 4 and a first middle transition valve 5; the first two-position three-way valve 4 is connected with the first middle position transition valve 5, and the first clutch 20 is connected with the first middle position transition valve 5; the first proportional valve 21 is connected with the first oil cylinder 1 through a first limit valve 2; the second proportional valve 22 is connected with the second oil cylinder 16 after passing through the balance valve 19.
The first relief valve 3 is installed between the first two-position three-way valve 4 and the oil pump 24.
A second relief valve 23 is also included, the second relief valve 23 being connected at one end to the outlet of the oil pump 24 and at the other end to the oil tank.
The hydraulic control system further comprises a second two-position three-way valve 6, a second middle position transition valve 7 and a second clutch 18, wherein the second two-position three-way valve 6 is connected with the oil pump 24 and the second middle position transition valve 7, and the second clutch 18 is connected to the second middle position valve 7.
The hydraulic control system further comprises a third two-position three-way valve 8, a third middle position transition valve 9 and a third clutch 17, wherein the third two-position three-way valve 8 is connected with the oil pump 24 and the third middle position transition valve 9, and the third clutch 17 is connected to the third middle position valve 9.
The hydraulic control system further comprises a fourth two-position three-way valve 10, a fourth middle position transition valve 12 and a fourth clutch 15, wherein the fourth two-position three-way valve 10 is connected with the oil pump 24 and the fourth middle position transition valve 12, and the fourth clutch 15 is connected to the fourth middle position valve 12.
The hydraulic control system further comprises a fifth two-position three-way valve 11, a fifth middle position transition valve 13 and a fifth clutch 14, wherein the fifth two-position three-way valve 11 is connected with the oil pump 24 and the fifth middle position transition valve 13, and the fifth clutch 14 is connected to the fifth middle position valve 13.
Wherein, two three-way valves are two three-way solenoid valves.
After the oil pump 24 works, the second safety valve 23 controls the maximum pressure of the whole hydraulic system, the second proportional valve 22 controls the position of the first oil cylinder 1 through the first limit valve 2, and the balance valve 19 controls the position of the second oil cylinder 16, so that the second oil cylinder 16 is controlled more accurately compared with the first limit valve 2. The oil circuit of the first two-position three-way valve 4 is used for controlling a first middle-position transition valve 5, the middle position of the first middle-position transition valve 5 plays a throttling role, oil inlet and oil outlet control of a piston is mainly performed by depending on the left position and the right position, the rest two-position three-way valves and the middle-position transition valve adopt the same mode to control the corresponding clutch, the first safety valve 3 is used for controlling the pressure of the left-side oil inlet circuit, and if the pressure is too large, the corresponding oil circuit can be automatically cut off.
Claims (8)
1. The utility model provides a clutch and hydro-cylinder integrated control hydraulic system, includes hydro-cylinder, limit valve, two three-way valves, meso position transition valve, balanced valve, clutch, proportional valve and oil pump, its characterized in that: one end of the oil pump is connected with the oil tank, and the other end of the oil pump is connected with the first proportional valve, the second proportional valve, the first two-position three-way valve and the first middle position transition valve; the first two-position three-way valve is connected with the first middle position transition valve, and the first clutch is connected with the first middle position transition valve; the first proportional valve is connected with the first oil cylinder through a first limit valve; the second proportional valve is connected with the second oil cylinder after passing through the balance valve.
2. The clutch and cylinder integrated control hydraulic system according to claim 1, wherein: still include that first relief valve installs between first two-position three-way valve and oil pump.
3. The clutch and cylinder integrated control hydraulic system according to claim 1, wherein: still include the second relief valve, second relief valve one end is connected to the export of oil pump, and the other end is connected to the oil tank.
4. The clutch and cylinder integrated control hydraulic system according to claim 1, wherein: the hydraulic control system further comprises a second two-position three-way valve, a second middle position transition valve and a second clutch, wherein the second two-position three-way valve is connected with the oil pump and the second middle position transition valve, and the second clutch is connected to the second middle position valve.
5. The clutch and cylinder integrated control hydraulic system according to claim 1, wherein: the hydraulic control system is characterized by further comprising a third two-position three-way valve, a third middle position transition valve and a third clutch, wherein the third two-position three-way valve is connected with the oil pump and the third middle position transition valve, and the third clutch is connected to the third middle position valve.
6. The clutch and cylinder integrated control hydraulic system according to claim 1, wherein: the hydraulic control system further comprises a fourth two-position three-way valve, a fourth middle position transition valve and a fourth clutch, wherein the fourth two-position three-way valve is connected with the oil pump and the fourth middle position transition valve, and the fourth clutch is connected to the fourth middle position valve.
7. The clutch and cylinder integrated control hydraulic system according to claim 1, wherein: the hydraulic control system further comprises a fifth two-position three-way valve, a fifth middle position transition valve and a fifth clutch, wherein the fifth two-position three-way valve is connected with the oil pump and the fifth middle position transition valve, and the fifth clutch is connected to the fifth middle position valve.
8. The integrated clutch and cylinder control hydraulic system as claimed in any one of claims 1 to 7, wherein: the two-position three-way valve is a two-position three-way electromagnetic valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911176023.7A CN110792646A (en) | 2019-11-26 | 2019-11-26 | Clutch and oil cylinder integrated control hydraulic system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911176023.7A CN110792646A (en) | 2019-11-26 | 2019-11-26 | Clutch and oil cylinder integrated control hydraulic system |
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CN110792646A true CN110792646A (en) | 2020-02-14 |
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Family Applications (1)
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CN201911176023.7A Pending CN110792646A (en) | 2019-11-26 | 2019-11-26 | Clutch and oil cylinder integrated control hydraulic system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113357213A (en) * | 2021-06-15 | 2021-09-07 | 贵州凯星液力传动机械有限公司 | Clutch and oil cylinder integrated control hydraulic system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106523690A (en) * | 2016-12-16 | 2017-03-22 | 贵州凯星液力传动机械有限公司 | Multi-plate wet clutch oil pressure control system of hydrodynamic transmission |
CN107676476A (en) * | 2017-10-31 | 2018-02-09 | 中国第汽车股份有限公司 | A kind of Hybrid Vehicle mechanical-electric coupling transmission hydraulic control system |
CN108019442A (en) * | 2017-12-30 | 2018-05-11 | 盛瑞传动股份有限公司 | Clutch fluid pressure control system and hybrid power system |
CN109027221A (en) * | 2018-10-25 | 2018-12-18 | 湘潭大学 | A kind of small-sized automobile-used double-clutch hydraulic control system |
CN110131221A (en) * | 2019-04-19 | 2019-08-16 | 武汉智仁传控技术有限公司 | The hydraulic system of mechanical arm |
-
2019
- 2019-11-26 CN CN201911176023.7A patent/CN110792646A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106523690A (en) * | 2016-12-16 | 2017-03-22 | 贵州凯星液力传动机械有限公司 | Multi-plate wet clutch oil pressure control system of hydrodynamic transmission |
CN107676476A (en) * | 2017-10-31 | 2018-02-09 | 中国第汽车股份有限公司 | A kind of Hybrid Vehicle mechanical-electric coupling transmission hydraulic control system |
CN108019442A (en) * | 2017-12-30 | 2018-05-11 | 盛瑞传动股份有限公司 | Clutch fluid pressure control system and hybrid power system |
CN109027221A (en) * | 2018-10-25 | 2018-12-18 | 湘潭大学 | A kind of small-sized automobile-used double-clutch hydraulic control system |
CN110131221A (en) * | 2019-04-19 | 2019-08-16 | 武汉智仁传控技术有限公司 | The hydraulic system of mechanical arm |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113357213A (en) * | 2021-06-15 | 2021-09-07 | 贵州凯星液力传动机械有限公司 | Clutch and oil cylinder integrated control hydraulic system |
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Application publication date: 20200214 |