CN107965557A - Fluid torque-converter and vehicle - Google Patents
Fluid torque-converter and vehicle Download PDFInfo
- Publication number
- CN107965557A CN107965557A CN201711468019.9A CN201711468019A CN107965557A CN 107965557 A CN107965557 A CN 107965557A CN 201711468019 A CN201711468019 A CN 201711468019A CN 107965557 A CN107965557 A CN 107965557A
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- China
- Prior art keywords
- friction member
- state
- clutch
- fluid
- converter
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- 239000012530 fluid Substances 0.000 title claims abstract description 90
- 230000008676 import Effects 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000003921 oil Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005183 dynamical system Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- 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
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
- F16H41/24—Details
-
- 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
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
- F16H41/04—Combined pump-turbine units
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The present invention relates to a kind of fluid torque-converter and vehicle.Fluid torque-converter includes：Pump impeller (1), for flowing fluid；Turbine (2), is driven by fluid；Clutch (3), including the first friction member (31) being connected with pump impeller (1) and the second friction member (32) being connected with turbine (2), clutch (3) has first state and the second state, in first state, first friction member (31) and the second friction member (32) sliding friction, in the second state, the first friction member (31) and the second friction member (32) rotate synchronously；Import, the hydraulic fluid of clutch (3) switching state is made for introducing；And controller, for increasing the pressure for the hydraulic fluid that import introduces after clutch (3) is converted to the second state by first state.Using the technical solution of the application, improve when fluid torque-converter of the prior art is converted to machine driving by hydraulic power and impact the problem of larger.
Description
Technical field
The present invention relates to drive technology field, in particular to a kind of fluid torque-converter and vehicle.
Background technology
Application of the fluid torque-converter on engineering truck, greatly improves trailer reversing stationarity, vehicle hauling ability,
The dynamic loading and vehicle load changing of transmission system can be reduced at the same time, extends the service life of engine and transmission system, improved
Vehicle safety.But the transmission efficiency of fluid torque-converter is relatively low, especially in the case of high rotating ratio, efficiency is anxious
Play declines, and oil consumption and exhaust emission substantially increase, these shortcomings constrain the application and development of fluid torque-converter.In order to improve liquid
The transmission efficiency of power torque-converters, mainly uses simplest three elements one-stage torque converter and lockable torque-converters at present.It can close
Fluid torque-converter is locked due to the advantages of taking into account hydraulic power and machine driving, becomes the development trend of fluid torque-converter.
In due course lock-in control is carried out to fluid torque-converter, the efficiency of transmission system can be improved, reduces fuel oil oil consumption.According to hair
Up to the investigation and evidence collection of country, in the same circumstances, using the engineering truck ratio of lock-in control without using converter lockout control
The Fuel consumption low 10% or so of system.
Lockable fluid torque-converter includes pump impeller, with the vortex of pump impeller hydraulic power and for making pump impeller and turbine
The lockup clutch of tool transmission.In lockup clutch so that easily being produced when fluid torque-converter is converted to machine driving by hydraulic power
Raw larger impact.
The content of the invention
The present invention is intended to provide a kind of fluid torque-converter and vehicle, to improve fluid torque-converter of the prior art by fluid power
Transmission impacts the problem of larger when being converted to machine driving.
One side according to embodiments of the present invention, the present invention provides a kind of fluid torque-converter, fluid torque-converter includes：
Pump impeller, for flowing fluid；
Turbine, is driven by fluid；
Clutch, including the first friction member being connected with pump impeller and the second friction member being connected with turbine, clutch have
First state and the second state, in first state, the first friction member and the second friction member sliding friction, in the second state, first
Friction member and the second friction member rotate synchronously；
Import, the hydraulic fluid of clutch switching state is made for introducing；And
Controller, the hydraulic fluid introduced for increasing import after clutch is converted to the second state by first state
Pressure.
Further, when clutch is in first state,
Controller is used for the pressure for gradually increasing hydraulic fluid with the extension for the time for entering first state；Or
Controller is used for the pressure for gradually increasing hydraulic fluid with the increase of the rotating speed of the second friction member.
Further, further include：
First valve, the pressure of the hydraulic fluid for adjusting import introducing；And
Controller is used for the aperture for controlling the first valve.
Further, the detection device of the state for detecting clutch is further included.
Further, detection device includes：
First moment of torsion detection part, for detecting the moment of torsion of the first friction member；
Second moment of torsion detection part, for detecting the moment of torsion of the second friction member, and
Controller is additionally operable to：When the moment of torsion of the second friction member is less than the moment of torsion of the first friction member, judge that clutch is in
First state；When the moment of torsion of the first friction member is equal with the moment of torsion of the second friction member, judge that clutch is in the second state.
Further, detection device includes：
First Rotating speed measring component, for detecting the rotating speed of the first friction member；
Second Rotating speed measring component, for detecting the rotating speed of the second friction member, and
Controller is additionally operable to：When the rotating speed of the second friction member is less than the rotating speed of the first friction member, judge that clutch is in
First state；When the rotating speed of the first friction member is equal with the rotating speed of the second friction member, judge that clutch is in the second state.
Further, during filling hydraulic fluid into fluid torque-converter before first state, controller is additionally operable to
The pressure of hydraulic fluid when the pressure of hydraulic fluid is adjusted to more than first state.
According to the another aspect of the application, a kind of vehicle is additionally provided, vehicle includes above-mentioned fluid torque-converter.
Using the technical solution of the application, during fluid torque-converter switches to machine driving, the first friction member and
The pressure for pushing the first friction member and the second friction member in the sliding friction stage of two friction members is smaller, improves existing skill
Fluid torque-converter in art impacts the problem of larger when being converted to machine driving by hydraulic power.
By referring to the drawings to the present invention exemplary embodiment detailed description, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 shows the structure diagram of the fluid torque-converter of the embodiment of the present invention；And
Fig. 2 shows the fluid torque-converter control process schematic of the embodiment of the present invention.
In figure：1st, pump impeller；2nd, turbine；3rd, clutch；31st, the first friction member；32nd, the second friction member；4th, power input shaft；
5th, power output shaft.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, belong to the scope of protection of the invention.
Fig. 1 shows the structure diagram of the fluid torque-converter of the present embodiment, as shown in Figure 1, fluid torque-converter includes moving
Power input shaft 4, the pump impeller 1 being connected with power input shaft 4, with the turbine 2 of 1 hydraulic power of pump impeller and the power being connected with turbine 2
Output shaft 5.
Fluid torque-converter further includes clutch 3, clutch 3 include the first friction member 31 being connected with power input shaft 4 and
The second friction member 31 being connected with power output shaft 5.First friction member 31 and the second friction member 32 can be combined, so that power
Input shaft 4 and power output shaft 5 realize machine driving by the first friction member 31 and the second friction member 32.
In the present embodiment, fluid torque-converter has hydraulic power state and machine driving state.First in clutch 3 rubs
When wiping the phase separation of 31 and second friction member 32 of part, fluid torque-converter is in hydraulic power state, and the power of power input shaft 4 passes through
Pump impeller 1 and turbine 2 pass to power output shaft；When the first friction member 31 of clutch 3 and the second friction member 32 are combined, liquid
Power torque-converters is in machine driving state, and the power of power input shaft 4 is transmitted by the first friction member 31 and the second friction member 32
To power output shaft.
The present embodiment, fluid torque-converter further includes the import for introducing hydraulic fluid, the hydraulic fluid that import introduces
The first friction member 31 and the second friction member 32 for making clutch 3 are combined, so that fluid torque-converter switches to machine driving
State.
During the first friction member 31 and the second friction member 32 are combined, clutch 3 successively have first state and
Second state, in first state, 32 sliding friction of the first friction member 31 and the second friction member, in the second state, the first friction member
31 and second friction member 32 rotate synchronously.
In order to slow down the impact during fluid torque-converter is switched to machine driving state, fluid torque-converter further includes use
In the controller for the pressure for adjusting the hydraulic fluid that import introduces.
Controller is used to after clutch 3 is converted to the second state by first state increase the hydraulic fluid that import introduces
Pressure so that the extruding force at the initial stage that the first friction member 31 and the second friction member 32 are combined is smaller, then after increase first
The combination power of 31 and second friction member 32 of friction member, is conducive to slow down fluid torque-converter and switches to rushing in mechanical transmission course
Hit.
During filling hydraulic fluid into fluid torque-converter before first state, controller is additionally operable to hydraulic fluid
Pressure adjust the pressure of hydraulic fluid during to more than first state.
As shown in Fig. 2, in import hydraulic fluid is introduced to drive the first friction member 31 and the second friction member 32 is combined
Process includes following 3 stages：
First stage, the space in hydraulic fluid filling fluid torque-converter that import introduces.In the first stage, import introduces
Hydraulic fluid pressure control the 65% of specified locking pressure, this phase process time is according to lockup clutch piston cavity space
The volume of stroke is calculated with maximum stream flow.
Second stage, under the pushing of hydraulic fluid, the first friction member 31 and the second friction member 32 are in contact, and slide and rub
Wipe；Second stage, is to rub the control stage to the process that is completely combined, also referred to as cunning since binding site, in this stage, control ratio
Vacuum solenoid valve reduces pressure to the 35% of specified locking pressure；This phase process time is arranged to 0.2s.
Phase III, the frictional force between the first friction member 31 and the second friction member 32 cause the first friction member 31 and second
Friction member 32 can rotate synchronously.
In another alternatively embodiment, fluid torque-converter further includes the detection device of the state for detecting clutch 3.
The pressure for the hydraulic fluid that controller is introduced according to the status adjustment import of controller.
Fluid torque-converter detection device includes：First moment of torsion detection part, for detecting the moment of torsion of the first friction member 31；The
Two moment of torsion detection parts, for detecting the moment of torsion of the second friction member 32.
Controller judges that clutch 3 is in the when the moment of torsion of the second friction member 32 is less than the moment of torsion of the first friction member 31
One state；When the moment of torsion of the first friction member 31 is equal with the moment of torsion of the second friction member 32, judge that clutch 3 is in the second shape
State.
In another embodiment alternatively, detection device includes：First Rotating speed measring component, for detecting the first friction
The rotating speed of part 31；Second Rotating speed measring component, for detecting the rotating speed of the second friction member 32.
Controller judges that clutch 3 is in the when the rotating speed of the second friction member 32 is less than the rotating speed of the first friction member 31
One state；When the rotating speed of the first friction member 31 is equal with the rotating speed of the second friction member 32, judge that clutch 3 is in the second shape
State.
According to the another aspect of the application, the present embodiment additionally provides a kind of dynamical system, which includes above-mentioned
Fluid torque-converter, speed changer, the first valve and proportion magnetic valve.
The power output shaft 5 of speed changer and fluid torque-converter connects, and for changing gearratio, adjusts speed；First valve：With
To distribute fluid to fluid torque-converter；Proportional pressure relief electromagnetic valve, for controlling the break-make of locking oil circuit, and locking oil pressure size.
In another alternative embodiment, the first valve with the inlet communication of fluid torque-converter is hydraulic control valve, dynamical system
The proportional pressure relief electromagnetic valve of system is used for the aperture for controlling above-mentioned valve, to adjust the pressure of the hydraulic fluid of import introducing.
The present embodiment carries out detailed Discrete control for latching process, makes hydraulic moment changeable compared with prior art
Carried out when device locking according to a process the most scientific and reasonable, reduce locking impact, improve locking comfort, avoid car
Transmission system is because reliability reduces caused by locking is impacted the problem of.
According to the another aspect of the application, there is provided a kind of vehicle, the vehicle include above-mentioned fluid torque-converter.Vehicle bag
The engineering trucks such as loading machine, land leveller, off-the-highway tire crane are included, other non-engineering trucks can also be included.
It these are only the exemplary embodiment of the present invention, be not intended to limit the invention, it is all in the spiritual and former of the present invention
Within then, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention.
Claims (8)
- A kind of 1. fluid torque-converter, it is characterised in that including：Pump impeller (1), for flowing fluid；Turbine (2), is driven by the fluid；Clutch (3), including the first friction member (31) being connected with the pump impeller (1) and be connected with the turbine (2) second Friction member (32), the clutch (3) has first state and the second state, in the first state, first friction member (31) and second friction member (32) sliding friction, in second state, first friction member (31) and described second Friction member (32) rotates synchronously；Import, the hydraulic fluid of the clutch (3) switching state is made for introducing；AndController, the liquid introduced for increasing the import after the clutch (3) is converted to the second state by first state Press the pressure of fluid.
- 2. fluid torque-converter according to claim 1, it is characterised in that when the clutch (3) is in first state,The controller is used for the pressure for gradually increasing the hydraulic fluid with the extension for the time for entering the first state；OrThe controller is used for the pressure for gradually increasing the hydraulic fluid with the increase of the rotating speed of second friction member (32).
- 3. fluid torque-converter according to claim 1, it is characterised in that further include：First valve, the pressure of the hydraulic fluid introduced for adjusting the import；AndThe controller is used for the aperture for controlling first valve.
- 4. fluid torque-converter according to claim 1, it is characterised in that further include for detecting the clutch (3) The detection device of state.
- 5. fluid torque-converter according to claim 4, it is characterised in that the detection device includes：First moment of torsion detection part, for detecting the moment of torsion of first friction member (31)；Second moment of torsion detection part, for detecting the moment of torsion of second friction member (32), andThe controller is additionally operable to：When the moment of torsion of second friction member (32) is less than the moment of torsion of the first friction member (31), sentence The fixed clutch (3) is in first state；Moment of torsion and second friction member (32) in first friction member (31) When moment of torsion is equal, judge that the clutch (3) is in second state.
- 6. fluid torque-converter according to claim 4, it is characterised in that the detection device includes：First Rotating speed measring component, for detecting the rotating speed of first friction member (31)；Second Rotating speed measring component, for detecting the rotating speed of second friction member (32), andThe controller is additionally operable to：When the rotating speed of second friction member (32) is less than the rotating speed of the first friction member (31), sentence The fixed clutch (3) is in first state；Rotating speed and second friction member (32) in first friction member (31) When rotating speed is equal, judge that the clutch (3) is in second state.
- 7. fluid torque-converter according to claim 1, it is characterised in that to the hydraulic moment changeable before the first state In device during the filling hydraulic fluid, the controller is additionally operable to adjust the pressure of the hydraulic fluid to more than institute State the pressure of hydraulic fluid during first state.
- 8. a kind of vehicle, it is characterised in that including fluid torque-converter any one of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711468019.9A CN107965557A (en) | 2017-12-29 | 2017-12-29 | Fluid torque-converter and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711468019.9A CN107965557A (en) | 2017-12-29 | 2017-12-29 | Fluid torque-converter and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107965557A true CN107965557A (en) | 2018-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711468019.9A Pending CN107965557A (en) | 2017-12-29 | 2017-12-29 | Fluid torque-converter and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN107965557A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111059173A (en) * | 2019-12-26 | 2020-04-24 | 裴云飞 | Hydraulic torque-changing adjusting device of clutch |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103119337A (en) * | 2010-09-28 | 2013-05-22 | 爱信艾达株式会社 | Fluid pressure control device |
| WO2016158076A1 (en) * | 2015-03-30 | 2016-10-06 | ジヤトコ株式会社 | Automatic transmission control device and control method |
| CN107255150A (en) * | 2017-08-07 | 2017-10-17 | 盛瑞传动股份有限公司 | It is a kind of to prevent fluid torque-converter from the method for producing impact when being opened to locking |
-
2017
- 2017-12-29 CN CN201711468019.9A patent/CN107965557A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103119337A (en) * | 2010-09-28 | 2013-05-22 | 爱信艾达株式会社 | Fluid pressure control device |
| WO2016158076A1 (en) * | 2015-03-30 | 2016-10-06 | ジヤトコ株式会社 | Automatic transmission control device and control method |
| CN107255150A (en) * | 2017-08-07 | 2017-10-17 | 盛瑞传动股份有限公司 | It is a kind of to prevent fluid torque-converter from the method for producing impact when being opened to locking |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111059173A (en) * | 2019-12-26 | 2020-04-24 | 裴云飞 | Hydraulic torque-changing adjusting device of clutch |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220722 Address after: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Applicant after: Jiangsu Xugong Construction Machinery Research Institute Co.,Ltd. Address before: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Applicant before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180427 |