CN104482196B - For the direct drive type hydraulic device and vapour stepless speed variator of vehicle of buncher - Google Patents
For the direct drive type hydraulic device and vapour stepless speed variator of vehicle of buncher Download PDFInfo
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- CN104482196B CN104482196B CN201410799007.4A CN201410799007A CN104482196B CN 104482196 B CN104482196 B CN 104482196B CN 201410799007 A CN201410799007 A CN 201410799007A CN 104482196 B CN104482196 B CN 104482196B
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- 239000010720 hydraulic oil Substances 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 18
- 239000003921 oil Substances 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000002828 fuel tank Substances 0.000 claims description 8
- 238000005461 lubrication Methods 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000033228 biological regulation Effects 0.000 description 6
- 230000001737 promoting effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000007704 transition Effects 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
- 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
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
-
- 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
Abstract
The invention provides a kind of direct drive type hydraulic device and vapour stepless speed variator of vehicle for buncher, the device, valve and driven pressure-control valve are controlled including active pressure, active pressure controls valve, active cylinder with active wheels in control buncher is connected, the pressure for controlling active cylinder；Driven pressure-control valve, slave cylinder with driven wheels in control buncher is connected, pressure for controlling slave cylinder, driven pressure-control valve includes the driven magnet coil group and the driven valve element that are arranged in driven pressure-control valve, and driven valve element is slided in the driven pressure-control valve inwall of driving lower edge of driven magnet coil group；Active pressure control valve includes the active valve element and the active magnet coil group that are arranged in active pressure control valve, and active valve element is slided under the driving of active magnet coil group along active pressure control valve inwall.After the device hydraulic system structure is simply used for buncher, in speed-change process to speed than and clamping force control accuracy is high, speed change reaction is fast.
Description
Technical field
The present invention relates to automobile production field, especially, it is related to a kind of direct drive type hydraulic device for buncher
And vapour stepless speed variator of vehicle.
Background technology
With the progressively development of automobile industry, the loading of freight waggon of automatic transmission is gradually increasing, especially as fluid drive
Buncher in device, brings to development of automobile and once leaps.Buncher is with common hydraulic automatic transmission most
Big difference is that buncher mainly utilizes frictional force the moving active wheels between transmission belt and driven wheel group
Power is transferred to driven wheels, and hydraulic means provides transmission belt clamping force.Smaller with volume, structure is simpler, can freely change
Variable ratio, changes speed more steady, the sensation of " pause and transition in rhythm or melody " when not having conventional transmissions to shift gears.
The Transmission Ratio Control of auto continuously variable transmission is also by the clamping force control of driven wheel, therefore driven wheel group oil pocket
Pressure controling precision directly affect the functional realiey and transmission efficiency of auto continuously variable transmission.And hydraulic control in the prior art
Device is low to the control accuracy of driven wheel group during variable speed, corresponding slow, complex structure.
The content of the invention
Present invention aim at a kind of direct drive type hydraulic device and automobile variable speed for buncher of offer
Device, with solve in the prior art hydraulic control device to CVT process control low precision, speed change delay of response
Technical problem.
To achieve the above object, according to an aspect of the invention, there is provided a kind of direct-drive type for buncher
Hydraulic means, including active pressure control valve and driven pressure-control valve, active pressure control valve, in control buncher
The active cylinder of active wheels is connected, the pressure for controlling active cylinder；Driven pressure-control valve, with control buncher in from
The slave cylinder of driving wheel group is connected, the pressure for controlling slave cylinder, and driven pressure-control valve includes being arranged at driven Stress control
Driven magnet coil group and driven valve element in valve, driving lower edge driven Stress control of the driven valve element in driven magnet coil group
Valve inwall is slided；Active pressure control valve includes the active valve element and active magnet coil that are arranged in active pressure control valve
Group, active valve element is slided under the driving of active magnet coil group along active pressure control valve inwall.
Further, active pressure control valve also includes active armature, and active armature, one end is contained in active magnet coil
In group, the other end stretches out active magnet coil group and affixed with active valve element.
Further, active pressure control valve also includes drive spring, and drive spring, first end is connected to active pressure control
On the first end inwall of valve processed, the second end is connected on the end face of active valve element.
Further, driven pressure-control valve also includes from moving armature that, from moving armature, one end is contained in driven magnet coil
In group, the other end stretches out driven magnet coil group and affixed with driven valve element.
Further, driven pressure-control valve also includes driven spring, and driven spring is sheathed on driven valve element with driven rank
Iron fixing position, first end is connected to the side wall of driven magnet coil, and the other end is connected on the side wall of driven valve element.
Further, active pressure control valve also includes active valve body, and active valve body is just to the side wall inwall of active valve element
Upper interval setting symmetrically opens up the 5th interface rings grooved ring groove, the 6th annular groove interface annular groove, the 7th annular groove interface annular groove, the 8th two-by-two
Annular groove interface annular groove, a through hole is respectively provided with the 5th annular groove, the 6th annular groove, the 7th annular groove, the 8th annular groove；From dynamic pressure
Control valve also includes driven valve body, and driven valve body just symmetrically opens up first two-by-two to interval setting on the inwall of driven valve element side wall
Annular groove interface annular groove, the second annular groove interface annular groove, the 3rd annular groove interface annular groove, the 4th annular groove interface rings groove, the first annular groove, second
A through hole is respectively provided with annular groove, the 3rd annular groove, the 4th annular groove；3rd annular groove interface annular groove, the 4th annular groove interface rings groove
It is connected with slave cylinder by the second output node with the 7th annular groove interface annular groove；6th annular groove interface annular groove and the 8th annular groove connect
Choma groove is connected by the 4th output node with active cylinder.
Further, also including the first output node, the 3rd output node, fuel tank, hydraulic oil source and source of lubrication, first
Annular groove is connected by the first output node with hydraulic oil source；Second annular groove is connected by the 3rd output node with source of lubrication
It is logical；5th annular groove is connected with fuel tank.
Further, first step is just being provided with to the active valve element at the 7th annular groove and is promoting face；At just to the 3rd annular groove
Driven valve element be provided with second step promote face.
Further, it is pressure-reducing valve that active pressure controls valve；Driven pressure-control valve is overflow valve.
A kind of auto continuously variable transmission using above-mentioned hydraulic means is additionally provided according to another aspect of the present invention.
The invention has the advantages that：
It is produced after magnet coil is powered provided by the present invention for the direct drive type hydraulic device of buncher
The pressure that pressure oil is produced in magnetic force and oil circuit interacts, and reaches the motion that balance carrys out valve element in adjusting control valve, so that real
Now to the control of dynamic oil cylinder and active cylinder pressure.Oil circuit is simplified in the device.Using the motion of Magnetic Control valve element, make
Driven pressure-control valve and active pressure control valve have pressure controling precision higher and to the faster response of gear-shift command
Ability.In speed-change process to speed than and clamping force control accuracy is high, speed change reaction is fast
After the device hydraulic system structure is simply used for buncher, to the control of speed ratio and clamping force in speed-change process
High precision, speed change reaction are fast.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate, for explaining the present invention, not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the direct drive type hydraulic schematic device for buncher of the preferred embodiment of the present invention.
Marginal data：
100th, driven pulley pressure-control valve；110th, driven valve element；120th, driven magnet coil group；130th, from moving armature；
140th, driven spring；150th, the first annular groove；160th, the second annular groove；170th, the 3rd annular groove；180th, the 4th annular groove；200th, active wheel load
Force control valve；210th, active valve element；220th, active magnet coil group；230th, active armature；240th, drive spring；250th, five rings
Groove；260th, the 6th annular groove；270th, the 7th annular groove；280th, the 8th annular groove；310th, the first output node；320th, the second output node；
330th, the 3rd output node；340th, the 4th output node；410th, hydraulic oil source；420th, source of lubrication；430th, slave cylinder；450th, it is main
Dynamic cylinder；460th, fuel tank.
Specific embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims
Multitude of different ways with covering is implemented.
Referring to Fig. 1, the direct drive type hydraulic device provided by the present invention for buncher includes driven pressure-control valve
100th, the connection of active pressure control valve 200, hydraulic oil output node and connection hydraulic oil output node and each entrance of valve
Pipeline.Active pressure controls valve 200, and the active cylinder 450 with active wheels in control buncher is connected, for controlling actively
The pressure of cylinder 450.Driven pressure-control valve 100, the slave cylinder 430 with driven wheels in control buncher is connected, and is used for
Control the pressure of slave cylinder 430.Active valve element 210 and active magnet coil group 220 are provided with active pressure control valve 200.It is main
The magnetic force that dynamic magnet coil group 220 is produced can promote active valve element 210 to be slided in aggressive valve body.So as to adjust outflow and flow
Enter the pressure oil flow that active pressure controls valve 200.So as to play the effect of the regulation pressure oil pressure of active cylinder 450.Magnetic force is pushed away
Action is used and can completed by medium, and the medium can be pushing structure such as armature or other common structures.Driven Stress control
The regulation process of valve 100 is identical with active pressure control valve 200, omits herein.Pressure is adjusted using electromagnetic force, can be realized
To the linear regulation of pressure, the appearance of the Caton phenomenon in speed regulation process is reduced, improve the speed of the precision of speed governing.
Driven pulley pressure-control valve 100 includes the driven magnet coil group 120, the driven rank that are sequentially arranged in servo valve body
Iron 130, driven spring 140, driven valve element 110 and just driven valve element 110 is being spaced apart on the driven valve interior wall one
The driven annular groove of group.It is provided with the first end of driven valve body from moving armature 130.Driven magnet coil group 120 is around from moving armature
130 and it is contained in driven valve body first end.Driven valve interior wall is connected to from the first end of moving armature 130, from moving armature 130
The second end be connected with driven valve element 110, when being moved from moving armature 130, driven valve element 110 can be promoted to move.Driven valve element 110
It is contained in the second end of driven valve body.From moving armature 130 driven spring 140 is arranged with the joint of driven valve element 110.It is driven
The first end of spring 140 is connected to the abutting block for being arranged at driven valve interior wall, and the second end of driven spring 140 is connected to driven
On the end face of valve element 110.Driven spring 140 is squeezed the power for producing and promoting driven valve element 110 to move right.
Driven annular groove includes the first annular groove 150, the second annular groove 160, the 3rd annular groove 170 and the 4th annular groove 180.First annular groove
150th, a through hole is opened up on the second annular groove 160, the 3rd annular groove 170 and the 4th annular groove 180.By in each annular groove of the through hole
Oil can be flowed out and flow into, and the flow direction of oil is moved according to pressure size.First annular groove 150 passes through the first output node 310 and hydraulic pressure
Oil sources 410 is connected.Second annular groove 160 is connected by the 3rd output node 330 with source of lubrication 420.3rd output node
330 pressure oil is lubricated as lubricating oil into each active lubrication point of auto continuously variable transmission.The He of 3rd annular groove 170
4th annular groove 180 is connected with the second output node 320 simultaneously.Second output node 320 also with slave cylinder 430 and active wheel load
Force control valve 200 is connected.
Driving wheel pressure-control valve 200 includes active valve body and the active valve element 210, the master that are contained in successively in aggressive valve body
Move magnet coil group 220, active armature 230, drive spring 240 and the master on active valve body just is being opened in active valve element 210
Rotating ring groove.One end of drive spring 240 is connected to active valve interior wall, and the other end and the active valve element 210 of drive spring 240 are consolidated
Connect.Drive spring 240 is in compressive state.Active valve element 210 is installed in the first end of active valve body.Active valve element 210
First end is arranged drive spring 240 and abuts and active valve interior wall, the second end and the phase of active armature 230 of active valve element 210
Even.Active magnet coil group 220 is arranged at the periphery of active armature 230 and is contained in the second end of active valve body.Just to actively
Interval offers the 5th annular groove 250, the 6th annular groove 260, the 7th annular groove 270, the 8th annular groove on the active valve interior wall of valve element 210
280.Respectively opened on 5th interface annular groove 250, the 6th interface annular groove 260, the 7th interface annular groove 270, the 8th interface annular groove 280
If a through hole.Can be flowed out by the oil in each annular groove of the through hole and flowed into, the flow direction of oil is moved according to pressure size.7th ring
Groove 270 is connected with the second output node 320.5th annular groove 250 is connected with the fuel tank 460 that can accommodate hydraulic oil.6th ring
The annular groove 280 of groove 260 and the 8th is connected with the 4th output node 340.4th output node 340 is connected with active cylinder 450.It is main
Movable valve plug 210 is just more than away from active magnet coil to the sectional area at the 7th annular groove 270 near the side of active magnet coil group 230
Sectional area at group 230.Form first step and promote face.To flow back into the hydraulic oil of active pressure control valve 200 to master
Movable valve plug 210 produces thrust to the right.Improve susceptibility of the active valve element 210 to pressure.
When using, it is cold in the case of it is as follows：Driven pulley controlled by driven pulley pressure-control valve transmission belt to from
The tension force of driving wheel.Hydraulic oil in hydraulic oil source 410 enters the first annular groove 150 by the first output node 310, and hydraulic oil enters
Left from the 4th annular groove 180 after driven valve body and enter the 3rd annular groove 170 by overflow after the second output node 320.Due to just right
The side area of section away from servo valve body end face of the driven valve element 110 of the 3rd annular groove 170 is more than near servo valve body end face
Sectional area, form the second step that can promote of pressure and promote face.Now, the screen resilience that driven spring 140 is produced is bigger, driven
Valve element 110 reaches right side greatest limit position.The hydraulic oil returned from the 3rd annular groove 170 promotes step surface to produce driven valve element 110
Raw thrust to the left, the thrust to the right produced with driven spring 140 balances each other, and driven valve element 110 produces motion.Due to driven
It will not be zero that spring 140 can produce the pressure value at a screen resilience, thus the second output node 320 all the time, thus slave cylinder
Hydraulic pressure in 430 will not be zero, so as to ensure that transmission belt has tensile force all the time to driven pulley, prevent drive belt slip.For
Maintain the pressure value stabilization of the second output node 320, when the hydraulic pressure of the first output node 310 is too high, driven pressure-control valve
100 by the increase of thrust to the right, so as to increase spillway discharge, plays the purpose of protection transmission belt.
After energization, driven magnet coil group 120 produces magnetic force, and promotion is moved right from moving armature 130, with size of current
Change, motive force change, 150 to 160 perforate can change at the 3rd annular groove 170, so that the second output node 320
The pressure increase at place.Due to changing the pressure at the second output node 320 by the size of electric current, thus linear tune can be realized
Pressure.Pressure at the second output node 320 reach transmission belt tensioning driven pulley the need for after, pressure continues to driving wheel pressure
Valve is transferred into the 7th annular groove 270.During no power, the screen resilience that drive spring 240 is produced is produced to the right to active valve element 210
Motive force.Hydraulic oil into the 7th annular groove 270 leaves from the 8th annular groove 280, is returned after the 4th output node 340 produces pressure
The 6th annular groove 260 is flowed into, the hydraulic oil for flowing back into produces motive force to the right to active valve element 210.Unnecessary hydraulic oil can
Fuel tank 460 is flowed back into by the 5th annular groove 250.Active valve element 210 reaches limit on the right-right-hand limit position.What drive spring 240 was produced returns
Elastic force is persistently presence, thus pressure at the 4th output node 340 will not be zero.After energization, active magnet coil group 220 is produced
Give birth to magnetic force moving active armature 230 and then promote active valve element 210 to left movement, regulation flows back into the liquid of the 6th annular groove 260
Force feed amount, so as to adjust the pressure at the 4th output node 340, and then realizes the linear regulation to the pressure of active cylinder 450.
In another embodiment, driven pulley pressure-control valve 100 is overflow valve.Adjusting speed accuracy and speed can be improved.
In another embodiment, driving wheel pressure-control valve 200 is pressure-reducing valve.Adjusting speed accuracy and speed can be improved.
In another embodiment, hydraulic oil source 410 can not be directly corresponding to valve body by the first output node 310
Annular groove is connected.Source of lubrication 420 can not be directly connected by the 3rd output node 330 to the corresponding annular groove of valve body.
In another embodiment, can be not provided with first step promotes face and second step to promote face, can equally realize
The purpose of the present invention.
Another aspect of the present invention additionally provides a kind of vapour stepless speed variator of vehicle for having used above-mentioned hydraulic means.The speed change
Transmission belt can keep the constant tension power to driven pulley in device, and speed governing is accordingly fast, accurately.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of direct drive type hydraulic device for buncher, including active pressure controls valve (200) and from dynamic pressure control
Valve (100) processed,
The active pressure controls valve (200), is connected with the active cylinder (450) of active wheels in the buncher is controlled,
Pressure for controlling active cylinder (450)；
The driven pressure-control valve (100), is connected with the slave cylinder (430) of driven wheels in the buncher is controlled,
Pressure for controlling slave cylinder (430),
Characterized in that,
The driven pressure-control valve (100) includes the driven magnet coil that is arranged in the driven pressure-control valve (100)
Group (120) and driven valve element (110),
Driven pressure-control valve described in driving lower edge of the driven valve element (110) in the driven magnet coil group (120)
(100) inwall is slided；
The active pressure controls valve (200) including being arranged at the active valve element (210) that the active pressure controls in valve (200)
With active magnet coil group (220),
Active pressure control valve described in driving lower edge of the active valve element (210) in the active magnet coil group (220)
(200) inwall is slided；
Hydraulic oil in hydraulic oil source (410) enters the first annular groove (150) by the first output node (310), and hydraulic oil enters
Left from the 4th annular groove (180) after driven valve body and enter the 3rd annular groove (170) by overflow after the second output node (320)；Just
The side area of section away from servo valve body end face to the driven valve element (110) of the 3rd annular groove (170) is more than near servo valve
The sectional area in body end face, the second step that forming pressure can promote promotes face, so that the screen resilience that driven spring (140) is produced is more
Greatly, driven valve element (110) reaches right side greatest limit position；From the 3rd annular groove (170) return hydraulic oil promote step surface to from
Movable valve plug (110) produces thrust to the left, and the thrust to the right produced with driven spring (140) balances each other, driven valve element (110)
Produce motion；Driven spring (140) can produce a screen resilience all the time, thus the second output node (320) place pressure value not
Can be that hydraulic pressure in zero, thus slave cylinder (430) will not be zero, so that ensure that transmission belt has tensile force all the time to driven pulley,
Prevent drive belt slip；First output node (310) hydraulic pressure is too high to make driven pressure-control valve (100) be increased by thrust to the right
Greatly, so as to increase spillway discharge, the purpose of protection transmission belt is played, and maintain the pressure value stabilization of the second output node (320)；
The 5th annular groove (250), the 6th annular groove just are offered to interval on the active valve interior wall of the active valve element (210)
(260), the 7th annular groove (270), the 8th annular groove (280), the 5th annular groove (250), the 6th annular groove (260), described
A through hole is respectively opened up on seven annular grooves (270), the 8th annular groove (280), can be with by the oil in each annular groove of the through hole
Outflow is flowed into, and the flow direction of oil is moved according to pressure size；7th annular groove (270) is connected with the second output node (320),
5th annular groove (250) is connected with the fuel tank (460) that can accommodate hydraulic oil, the 6th annular groove (260) and the described 8th
Annular groove (280) is connected with the 4th output node (340), the 4th output node (340) and the active cylinder (450) phase
Even, the active valve element (210) is just being close to the sectional area of active magnet coil group (220) side to the 7th annular groove (270) place
More than the sectional area away from active magnet coil group (220) place, form first step and promote face, to flow back into the active
The hydraulic oil of pressure-control valve (200) produces thrust to the right to the active valve element (210), improves the active valve element
(210) to the susceptibility of pressure.
2. device according to claim 1, it is characterised in that the active pressure controls the valve (200) also to include actively holding in the mouth
Iron (230),
The active armature (230), one end is contained in the active magnet coil group (220), and the other end stretches out the active
Magnet coil group (220) is simultaneously affixed with the active valve element (210).
3. device according to claim 2, it is characterised in that the active pressure controls the valve (200) also to include active bullet
Spring (240),
The drive spring (240), first end is connected on the first end inwall of active pressure control valve (200), and second
End is connected on the end face of the active valve element (210).
4. device according to claim 1, it is characterised in that the driven pressure-control valve (100) also includes driven rank
Iron (130),
It is described from moving armature (130), one end is contained in the driven magnet coil group (120), and the other end stretches out described driven
Magnet coil group (120) is simultaneously affixed with the driven valve element (110).
5. device according to claim 4, it is characterised in that the driven pressure-control valve (100) is also included from moving
Spring (140),
The driven spring (140), is sheathed on the driven valve element (110) with described from moving armature (130) fixing position, first end
The side wall of the driven magnet coil (120) is connected to, the other end is connected on the side wall of the driven valve element (110).
6. the device according to any one of Claims 1 to 5, it is characterised in that
The driven pressure-control valve (100) also includes driven valve body, the driven valve body, just to the driven valve element (110)
Inwall on the annular groove of interval setting first (150), the second annular groove (160), the 3rd annular groove (170), the 4th annular groove (180), first
A through hole is respectively provided with annular groove (150), the second annular groove (160), the 3rd annular groove (170), the 4th annular groove (180)；
3rd annular groove (170), the 4th annular groove (180) and the 7th annular groove (270) are saved by the described second output
Point (320) is connected with the slave cylinder (430).
7. device according to claim 6, it is characterised in that also including the first output node (310), the 3rd output node
(330), fuel tank (460), hydraulic oil source (410) and source of lubrication (420),
First annular groove (150) is connected by first output node (310) with the hydraulic oil source (410)；
Second annular groove (160) is connected by the 3rd output node (330) with the source of lubrication (420)；
5th annular groove (250) is connected with the fuel tank (460).
8. device according to claim 7, it is characterised in that just to the aggressive valve at the 7th annular groove (270) place
Core (210) is provided with first step and promotes face；
Described driven valve element (110) just to the 3rd annular groove (170) place is provided with second step promotion face.
9. device according to claim 1, it is characterised in that it is pressure-reducing valve that the active pressure controls valve (200)；It is described
Driven pressure-control valve (100) is overflow valve.
10. the vapour stepless speed variator of vehicle of a kind of hydraulic means using as any one of claim 1~9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410799007.4A CN104482196B (en) | 2014-12-19 | 2014-12-19 | For the direct drive type hydraulic device and vapour stepless speed variator of vehicle of buncher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410799007.4A CN104482196B (en) | 2014-12-19 | 2014-12-19 | For the direct drive type hydraulic device and vapour stepless speed variator of vehicle of buncher |
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| Publication Number | Publication Date |
|---|---|
| CN104482196A CN104482196A (en) | 2015-04-01 |
| CN104482196B true CN104482196B (en) | 2017-07-07 |
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| CN201410799007.4A Active CN104482196B (en) | 2014-12-19 | 2014-12-19 | For the direct drive type hydraulic device and vapour stepless speed variator of vehicle of buncher |
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| CN111120643A (en) * | 2018-10-29 | 2020-05-08 | 上海汽车集团股份有限公司 | Hydraulic system of continuously variable transmission |
| CN110341676A (en) * | 2019-08-01 | 2019-10-18 | 泸州容大智能变速器有限公司 | A kind of automatic gear-box built-in electronic parking control system and its control method |
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|---|---|---|---|---|
| JP3654072B2 (en) * | 1999-08-25 | 2005-06-02 | 三菱自動車工業株式会社 | Hydraulic circuit of belt type continuously variable transmission |
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- 2014-12-19 CN CN201410799007.4A patent/CN104482196B/en active Active
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Address after: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee after: Hunan Yung Da intelligent transmission Limited by Share Ltd. Address before: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee before: Hunan Yung Da vehicle transmission Limited by Share Ltd. Address after: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee after: Hunan Yung Da vehicle transmission Limited by Share Ltd. Address before: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee before: HUNAN JIANGLU & RONGDA VEHICLE TRANSMISSION Ltd. |
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Effective date of registration: 20240112 Address after: 646003 Section 4, Jiugu Avenue, High tech Zone, Luzhou City, Sichuan Province Patentee after: Luzhou Rongda Intelligent Transmission Co.,Ltd. Address before: 410205 No. 68 Du Rong Road, Yuelu District, Changsha, Hunan Patentee before: Hunan Yung Da intelligent transmission Limited by Share Ltd. |
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