CN103899745A - Parallel-connection two-position two-way valve type double-oil-way fast-oil-charging hydraulic gear shift system - Google Patents
Parallel-connection two-position two-way valve type double-oil-way fast-oil-charging hydraulic gear shift system Download PDFInfo
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- CN103899745A CN103899745A CN201410160012.0A CN201410160012A CN103899745A CN 103899745 A CN103899745 A CN 103899745A CN 201410160012 A CN201410160012 A CN 201410160012A CN 103899745 A CN103899745 A CN 103899745A
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- oil
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- way valve
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- gear shift
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0262—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
- F16H61/0265—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic for gearshift control, e.g. control functions for performing shifting or generation of shift signals
- F16H61/0267—Layout of hydraulic control circuits, e.g. arrangement of valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
A parallel-connection two-position two-way valve type double-oil-way fast-oil-charging hydraulic gear shift system comprises a buffer boost oil way composed of an existing hydraulic gear shift pressure control valve, and a fast oil charging oil way composed of a two-position two-way valve. An oil inlet of the buffer boost oil way is communicated with an oil pump, an oil outlet of the buffer boost oil way is communicated with a gear shift clutch hydraulic cylinder, an oil inlet of the fast oil charging oil way is communicated with the oil pump, an oil outlet of the fast oil charging oil way is communicated with the gear shift clutch hydraulic cylinder, and a control oil port of the fast oil charging oil way is communicated with a pressure regulating valve element outlet of the hydraulic gear shift pressure control valve. According to the parallel-connection two-position two-way valve type double-oil-way fast-oil-charging hydraulic gear shift system, in the stage of charging liquid into the clutch hydraulic cylinder, oil can be charged into the gear shift clutch hydraulic cylinder jointly through the fast oil charging oil way and the buffer boost oil way so that the gear shift clutch hydraulic cylinder can be filled with hydraulic oil faster, and the gear shift time can be effectively shortened.
Description
Technical field
The present invention relates to a kind of hydraulic gear-shifting system, particularly a kind of two quick oil-filled hydraulic pressure shifting systems of oil circuit of two position two-way valve type in parallel that can effectively shorten the large-scale engineering machinery gearshift time.
Background technique
Along with the correlation technique of engineering machinery is in development and the maturation of China, people are more and more higher to the requirement of shift quality, and shift process is wanted steadily and be completed rapidly as far as possible, to reduce wearing and tearing and the power interruption of friction element.Utilizing dynamic power shift gear box is the method for current the most general raising shift quality, and it mainly regulates the oil pressure variation in shift process and then control shift clutch by hydraulic gear-shifting pressure controlled valve and guarantees.
Generally, shift process comprises to gap elimination, clutch pressure uphill process between clutch hydraulic cylinder topping up, friction plate sheet.Wherein wish to eliminate needed time to gap between clutch topping up and friction plate short, clutch pressure uphill process is wanted steadily.
Although can realizing buffering, current hydraulic gear-shifting pressure controlled valve on the market boosts, but because the aperture of the restriction of hydraulic gear-shifting pressure controlled valve inside is less, and the valve port opening of adjusting pressuring valve core constantly reducing in clutch hydraulic cylinder topping up process, cause fluid can not be full of fast shift clutch oil hydraulic cylinder, finally cause shift clutch Oil feeding process to slow down, extended the gearshift time.
Summary of the invention
The problem slowing down in order to solve the Oil feeding process that exists in existing hydraulic gear-shifting pressure controlled valve, the present invention aims to provide a kind of two quick oil-filled hydraulic pressure shifting systems of oil circuit of parallel two position two-way valve type that can effectively shorten the gearshift time.
The technical solution adopted for the present invention to solve the technical problems is: the two quick oil-filled hydraulic pressure shifting systems of oil circuit of a kind of two position two-way valve type in parallel, mainly comprise quick oil-filled oil circuit and the buffering oil circuit that boosts.
The described buffering oil circuit that boosts is made up of existing hydraulic gear-shifting pressure controlled valve.
Described quick oil-filled oil circuit is made up of two position two-way valve.
The boost filler opening of oil circuit of described buffering is connected with system working connection, oil outlet is connected with shift clutch oil hydraulic cylinder, described two position two-way valve filler opening is connected with working connection, oil outlet is connected with shift clutch oil hydraulic cylinder, and control port and the buffering adjusting pressuring valve core oil outlet in oil circuit that boosts is connected.
The nominal flow rate of described two position two-way valve is greater than the buffering oil circuit that boosts and allows the peak rate of flow of passing through.
Described two position two-way valve adopts controls of surging, and the oil outlet connection that when it is operated in spring position, filler opening and shift clutch oil hydraulic cylinder are communicated with is carried out oil-filled fast, be operated in while surging filler opening be blocked stop oil-filled fast.
Described two position two-way valve is being operated in spring position in the time that control-oil pressure is less than or equal to initial tension of spring, be operated in when controlling oil pressure the position of surging while being greater than initial tension of spring, the pretightening force of its spring is set as hydraulic oil and is full of after shift clutch oil hydraulic cylinder gap between shift clutch friction plate and eliminates completely the force value of adjusting pressuring valve core oil outlet place hydraulic oil while starting transmitting torque.
When gearshift, because therefore the buffering oil circuit that boosts is also very little at the pressure of quick oil-filled its adjusting pressuring valve core outlet port hydraulic fluid pressure that is described two position two-way valve control port, be operated in spring position, boost oil-filled fast together with oil circuit with buffering.
After hydraulic oil is full of shift clutch oil hydraulic cylinder, between shift clutch friction plate, eliminate while starting transmitting torque completely in gap, the hydraulic fluid pressure of adjusting pressuring valve core oil outlet rises rapidly that is rapid rising of pressure of described two position two-way valve control port is greater than the pretightening force of its spring, described two position two-way valve is operated in the position of surging, quick oil-filled oil circuit is cut off, hydraulic oil is entered shift clutch oil hydraulic cylinder and is cushioned and boosted by the buffering oil circuit that boosts by the buffering oil circuit that boosts, and reduces gearshift and impacts.
The invention has the beneficial effects as follows, on existing hydraulic gear-shifting pressure controlled valve, increase by one and directly pass through described two position two-way valve to the oil-filled quick oil-filled oil circuit of shift clutch oil hydraulic cylinder from system working connection, form quick oil-filled oil circuit, boost oil-filled to gearshift clutch hydraulic cylinder together with oil circuit by quick oil-filled oil circuit and buffering at the gearshift initial stage, make hydraulic oil be full of at faster speed shift clutch oil hydraulic cylinder, effectively shorten the gearshift time.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the hydraulic schematic diagram of current hydraulic shift pressure controlled valve.
Fig. 2 is hydraulic schematic diagram of the present invention.
In figure, 1. oil pump comes oily passage, 2. adjusting pressuring valve core, 3. accumulator plunger, 4. restriction, 5. pressure setting valve, 6. shift clutch oil hydraulic cylinder, 7. two position two-way valve.
Embodiment
The two quick oil-filled hydraulic pressure shifting systems of oil circuit of a kind of two position two-way valve type in parallel, mainly comprise quick oil-filled oil circuit and the buffering oil circuit that boosts.
The described buffering oil circuit that boosts can be made up of existing hydraulic gear-shifting pressure controlled valve.
Described quick oil-filled oil circuit is made up of two position two-way valve (7).
The boost filler opening of oil circuit of described buffering is communicated with working connection, oil outlet is connected with shift clutch oil hydraulic cylinder (6), described two position two-way valve (7) filler opening is connected with working connection, oil outlet is connected with shift clutch oil hydraulic cylinder (6), controls oil and buffering adjusting pressuring valve core (2) oil outlet in oil circuit that boosts and is connected.
The nominal flow rate of described two position two-way valve (7) is greater than the buffering oil circuit that boosts and allows the peak rate of flow of passing through.
Described two position two-way valve (7) adopts the control of surging, when it is operated in spring position filler opening be connected with shift clutch oil hydraulic cylinder (6) carry out oil-filled fast, be operated in while surging filler opening be blocked stop oil-filled fast.
Described two position two-way valve (7) is being operated in spring position in the time that control-oil pressure is less than or equal to initial tension of spring, be operated in when controlling oil pressure the position of surging while being greater than initial tension of spring, the pretightening force of its spring is set as hydraulic oil and is full of after shift clutch oil hydraulic cylinder (6) gap between shift clutch friction plate and eliminates completely the force value of adjusting pressuring valve core (2) oil outlet place hydraulic oil while starting transmitting torque.
When gearshift, because therefore the buffering oil circuit that boosts is also operated in spring position at the oil circuit pressure in quick oil-filled its adjusting pressuring valve core (2) outlet port that is very little its of pressure of described two position two-way valve (7) control port, boost oil-filled fast together with oil circuit with buffering.
After hydraulic oil is full of shift clutch oil hydraulic cylinder (6), between shift clutch friction plate, eliminate while starting transmitting torque completely in gap, the hydraulic fluid pressure of adjusting pressuring valve core (2) oil outlet rises rapidly that is rapid rising of pressure of described two position two-way valve (7) control port is greater than the pretightening force of its spring, described two position two-way valve is operated in the position of surging, quick oil-filled oil circuit is cut off, hydraulic oil is entered shift clutch oil hydraulic cylinder (6) and is cushioned and boosted by the buffering oil circuit that boosts by the buffering oil circuit that boosts, and reduces gearshift and impacts.
Claims (4)
1. the two quick oil-filled hydraulic pressure shifting systems of oil circuit of two position two-way valve type in parallel, mainly comprise quick oil-filled oil circuit and the buffering oil circuit that boosts, and it is characterized in that: described quick oil-filled oil circuit is made up of two position two-way valve.
2. pressure controlled valve according to claim 1, it is characterized in that: the described buffering oil circuit filler opening that boosts is communicated with system working connection, oil outlet is communicated with shift clutch oil hydraulic cylinder, described two position two-way valve filler opening is connected with system working connection, oil outlet is connected with shift clutch oil hydraulic cylinder, and control port and the buffering adjusting pressuring valve core oil outlet in oil circuit that boosts is connected.
3. the two quick oil-filled hydraulic pressure shifting systems of oil circuit of one according to claim 1 two position two-way valve type in parallel, it is characterized in that: described two position two-way valve adopts controls of surging the force value of adjusting pressuring valve core oil outlet place hydraulic oil when the pretightening force of its spring is set as between shift clutch friction plate that beginning transmitting torque is eliminated in gap completely.
4. the two quick oil-filled hydraulic pressure shifting systems of oil circuit of one according to claim 1 two position two-way valve type in parallel, it is characterized in that: oil outlet that when described two position two-way valve is operated in spring position, filler opening and shift clutch oil hydraulic cylinder are connected connect carry out oil-filled fast, be operated in while surging filler opening be blocked stop oil-filled fast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410160012.0A CN103899745A (en) | 2014-04-22 | 2014-04-22 | Parallel-connection two-position two-way valve type double-oil-way fast-oil-charging hydraulic gear shift system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410160012.0A CN103899745A (en) | 2014-04-22 | 2014-04-22 | Parallel-connection two-position two-way valve type double-oil-way fast-oil-charging hydraulic gear shift system |
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| CN103899745A true CN103899745A (en) | 2014-07-02 |
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| CN201410160012.0A Pending CN103899745A (en) | 2014-04-22 | 2014-04-22 | Parallel-connection two-position two-way valve type double-oil-way fast-oil-charging hydraulic gear shift system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696508A (en) * | 2015-01-12 | 2015-06-10 | 四川大学 | Hydraulic gear shifting system controlled by pressure relay, provided with double oil ways and capable of realizing quick oil filling |
| CN105134677A (en) * | 2015-01-27 | 2015-12-09 | 四川大学 | Fast hydraulic gear shifting system |
| CN105240422A (en) * | 2015-11-16 | 2016-01-13 | 安徽江淮汽车股份有限公司 | Hydraulic control system of clutch |
| CN105257729A (en) * | 2015-11-16 | 2016-01-20 | 安徽江淮汽车股份有限公司 | Hydraulic control system of clutch |
| CN109058319A (en) * | 2018-09-14 | 2018-12-21 | 中国船舶重工集团公司第七0三研究所 | Ladder hydraulic adjustment device |
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|---|---|---|---|---|
| JPH02225145A (en) * | 1989-02-27 | 1990-09-07 | Daikin Ind Ltd | Hydraulic circuit for driving truck-mixer drum |
| JPH10141456A (en) * | 1996-11-11 | 1998-05-29 | Fuji Heavy Ind Ltd | Hydraulic control circuit for continuously variable transmission device |
| CN2406978Y (en) * | 2000-01-21 | 2000-11-22 | 叶晓丰 | Lowering buffer for lift |
| CN102767617A (en) * | 2012-07-18 | 2012-11-07 | 四川大学 | Hydraulic gear-shifting pressure control valve |
| CN202708038U (en) * | 2012-07-28 | 2013-01-30 | 四川大学 | Novel hydraulic gear-shifting pressure adjusting valve |
| CN204226624U (en) * | 2014-04-22 | 2015-03-25 | 四川大学 | The two quick oil-filled hydraulic pressure shifting system of oil circuit of a kind of bi-bit bi-pass valve-type in parallel |
-
2014
- 2014-04-22 CN CN201410160012.0A patent/CN103899745A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02225145A (en) * | 1989-02-27 | 1990-09-07 | Daikin Ind Ltd | Hydraulic circuit for driving truck-mixer drum |
| JPH10141456A (en) * | 1996-11-11 | 1998-05-29 | Fuji Heavy Ind Ltd | Hydraulic control circuit for continuously variable transmission device |
| CN2406978Y (en) * | 2000-01-21 | 2000-11-22 | 叶晓丰 | Lowering buffer for lift |
| CN102767617A (en) * | 2012-07-18 | 2012-11-07 | 四川大学 | Hydraulic gear-shifting pressure control valve |
| CN202708038U (en) * | 2012-07-28 | 2013-01-30 | 四川大学 | Novel hydraulic gear-shifting pressure adjusting valve |
| CN204226624U (en) * | 2014-04-22 | 2015-03-25 | 四川大学 | The two quick oil-filled hydraulic pressure shifting system of oil circuit of a kind of bi-bit bi-pass valve-type in parallel |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696508A (en) * | 2015-01-12 | 2015-06-10 | 四川大学 | Hydraulic gear shifting system controlled by pressure relay, provided with double oil ways and capable of realizing quick oil filling |
| CN105134677A (en) * | 2015-01-27 | 2015-12-09 | 四川大学 | Fast hydraulic gear shifting system |
| CN105240422A (en) * | 2015-11-16 | 2016-01-13 | 安徽江淮汽车股份有限公司 | Hydraulic control system of clutch |
| CN105257729A (en) * | 2015-11-16 | 2016-01-20 | 安徽江淮汽车股份有限公司 | Hydraulic control system of clutch |
| CN105257729B (en) * | 2015-11-16 | 2018-11-16 | 安徽江淮汽车集团股份有限公司 | A kind of clutch fluid pressure control system |
| CN109058319A (en) * | 2018-09-14 | 2018-12-21 | 中国船舶重工集团公司第七0三研究所 | Ladder hydraulic adjustment device |
| CN109058319B (en) * | 2018-09-14 | 2023-12-22 | 中国船舶重工集团公司第七0三研究所 | Ladder oil pressure adjusting device |
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Application publication date: 20140702 |