CN103398171B - Double-clutch automatic gearbox and hydraulic gear-shifting control system thereof - Google Patents
Double-clutch automatic gearbox and hydraulic gear-shifting control system thereof Download PDFInfo
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- CN103398171B CN103398171B CN201310329101.9A CN201310329101A CN103398171B CN 103398171 B CN103398171 B CN 103398171B CN 201310329101 A CN201310329101 A CN 201310329101A CN 103398171 B CN103398171 B CN 103398171B
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Abstract
The invention discloses a kind of double-clutch automatic gearbox and hydraulic gear-shifting control system thereof.The hydraulic gear-shifting control system of described double-clutch automatic gearbox comprises: odd number gear gearshift control subsystem, even number gear gearshift control subsystem and working connection, and each of keeping off in gearshift control subsystem and even number gear gearshift control subsystem of odd number includes the first shift fork, the second shift fork, selector valve, the first modulating valve, the second modulating valve, reversing control valve, governor valve control valve, the 3rd modulating valve.Reversing control valve controls the flow direction of oil in odd number gear gearshift control subsystem or even number gear gearshift control subsystem, with the two ends of shift fork corresponding to each gear being communicated with odd number gear gearshift control subsystem and even number gear gearshift control subsystem.3rd modulating valve regulates speed and the direction of corresponding shift fork movement, makes shift process smooth-going, and during gearshift, travelling comfort increases.According to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention, smooth gear shifting, comfortable.
Description
Technical field
The present invention relates to vehicular field, in particular to a kind of hydraulic gear-shifting control system of double-clutch automatic gearbox, also relate to a kind of double-clutch automatic gearbox with the hydraulic gear-shifting control system of described double-clutch automatic gearbox.
Background technique
The hydraulic gear-shifting control system control valve of existing double-clutch automatic gearbox is many, controls complicated, and shift process irregularity.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent.For this reason, one object of the present invention is to propose a kind of smooth gear shifting, controls simple and any one solenoid valve still can ensure the double-clutch automatic gearbox that vehicle travels hydraulic gear-shifting control system after damaging.
Another object of the present invention is to propose a kind of double-clutch automatic gearbox with this hydraulic gear-shifting control system.
To achieve these goals, embodiment according to a first aspect of the present invention proposes a kind of hydraulic gear-shifting control system of double-clutch automatic gearbox.The hydraulic gear-shifting control system of described double-clutch automatic gearbox comprises: odd number gear gearshift control subsystem, even number gear gearshift control subsystem and working connection, described odd number gear gearshift control subsystem and each of shifting gears in control subsystem of described even number gear include: the first shift fork, the second shift fork and selector valve, be connected with the first oil circuit and the second oil circuit between described selector valve and described first shift fork, and between described selector valve and described second shift fork, be connected with the 3rd oil circuit and the 4th oil circuit; First modulating valve and the second modulating valve, the 5th oil circuit is connected with between one end of described first modulating valve and described selector valve, and the other end of described first modulating valve is connected with described working connection, be connected with the 6th oil circuit between one end of described second modulating valve and described selector valve, and the other end of described second modulating valve is connected with described working connection;
Reversing control valve, described reversing control valve controls described selector valve and is in the first working state to be communicated with described first oil circuit and described 5th oil circuit, and be communicated with described second oil circuit and described 6th oil circuit, or control described selector valve and be in the second working state to be communicated with described 3rd oil circuit and described 5th oil circuit, and be communicated with described 4th oil circuit and described 6th oil circuit;
Governor valve control valve, described governor valve control valve is connected with described second modulating valve with described first modulating valve to control the oil pressure in described 5th oil circuit and described 6th oil circuit respectively; 3rd modulating valve, described 3rd modulating valve be located at described 5th oil circuit and described 6th oil circuit one of them on to regulate the travelling speed of described first shift fork or described second shift fork.
According to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention, regulated the speed of corresponding shift fork movement, make shift process smooth-going by described 3rd modulating valve, during gearshift, travelling comfort increases.Meanwhile, the hydraulic gear-shifting control system of double-clutch automatic gearbox achieve switching between each gear by less control valve, control simple.In addition, any one solenoid valve in the hydraulic gear-shifting control system of double-clutch automatic gearbox still can realize at least four gears after damaging.After any one solenoid valve in the hydraulic gear-shifting control system of that is double-clutch automatic gearbox damages, vehicle still can travel.Therefore, according to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention, smooth gear shifting, control simple and any one solenoid valve still can ensure that vehicle travels after damaging.
In addition, the hydraulic gear-shifting control system of double-clutch automatic gearbox according to the above embodiment of the present invention can also have following additional technical characteristics:
According to one embodiment of present invention, described 3rd modulating valve is located on described 5th oil circuit.
Alternatively, described reversing control valve is solenoid valve.
Alternatively, described governor valve control valve is solenoid valve.
Further, described governor valve control valve is variable flow solenoid valve.
Alternatively, described first modulating valve and described second modulating valve are that pressure regulates mechanical valve.
According to one embodiment of present invention, described 3rd modulating valve is flow control electromagnetic valve, can by regulating the travelling speed by the corresponding shift fork of oily flow control of described 3rd modulating valve.
Advantageously, described odd number gear gearshift control subsystem and described even number gear gearshift control subsystem share same reversing control valve.Thereby reduce the usage quantity of control valve, reduce manufacture cost.
According to one embodiment of present invention, the oil pressure of one end of described first modulating valve is greater than the oil pressure of one end of described second modulating valve.Thus by the adjustment of described 3rd modulating valve, the travelling speed of corresponding shift fork can not only be controlled, the movement direction of corresponding shift fork can also be controlled.
Embodiment according to a second aspect of the present invention proposes a kind of double-clutch automatic gearbox.Described double-clutch automatic gearbox comprises the hydraulic gear-shifting control system of the double-clutch automatic gearbox described in first aspect present invention, thus makes double-clutch automatic gearbox control simple, smooth gear shifting and Safety performance is high.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is structural representation when being positioned at 1 gear according to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention;
Fig. 2 is structural representation when being positioned at 2 gear according to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention;
Fig. 3 is structural representation when being positioned at 1 gear meta according to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention;
Fig. 4 is structural representation when being positioned at 3 gear according to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention;
Fig. 5 is structural representation when being positioned at 2 gear meta according to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention;
Fig. 6 is structural representation when being positioned at 4 gear according to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention;
Fig. 7 is structural representation when being positioned at 3 gear meta according to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention;
Fig. 8 is structural representation when being positioned at 5 gear according to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention;
Fig. 9 is structural representation when being positioned at 4 gear meta according to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention;
Figure 10 is structural representation when being positioned at 6 gear according to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention;
Figure 11 is structural representation when being positioned at 5 gear meta according to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention;
Figure 12 is structural representation when being positioned at 7 gear according to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention;
Figure 13 is structural representation when being positioned at 6 gear meta according to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention;
Figure 14 be according to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention be positioned at R gear (reversing gear) time structural representation;
Figure 15 is structural representation when being positioned at 7 gear meta according to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention;
Figure 16 be according to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention be positioned at R keep off (reversing gear) meta time structural representation;
Figure 17 is structural representation when being positioned at initial position according to the hydraulic gear-shifting control system of the double-clutch automatic gearbox of the embodiment of the present invention.
Description of reference numerals:
The hydraulic gear-shifting control system 1 of double-clutch automatic gearbox,
Odd number gear gearshift control subsystem 11a,
First shift fork 111a, the second shift fork 112a, selector valve 113a, the first modulating valve 114a, the second modulating valve 115a, reversing control valve 116a, governor valve control valve 117a, the 3rd modulating valve 118a, the first oil circuit 101a, the second oil circuit 102a, the 3rd oil circuit 103a, the 4th oil circuit 104a, the 5th oil circuit 105a, the 6th oil circuit 106a,
Even number gear gearshift control subsystem 11b,
First shift fork 111b, the second shift fork 112b, selector valve 113b, the first modulating valve 114b, the second modulating valve 115b, reversing control valve 116b, governor valve control valve 117b, the 3rd modulating valve 118b, the first oil circuit 101b, the second oil circuit 102b, the 3rd oil circuit 103b, the 4th oil circuit 104b, the 5th oil circuit 105b, the 6th oil circuit 106b,
Working connection 13
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, in term ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of indicate or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
Referring to Fig. 1-Figure 17, the hydraulic gear-shifting control system 1 according to the double-clutch automatic gearbox of the embodiment of the present invention is described.As shown in Fig. 1-Figure 17, comprise odd number gear gearshift control subsystem 11a, even number gear gearshift control subsystem 11b and working connection 13 according to the hydraulic gear-shifting control system 1 of the double-clutch automatic gearbox of the embodiment of the present invention.
As shown in Fig. 1-Figure 17, be seven speed dual clutch automatic transmission according to the double-clutch automatic gearbox of the embodiment of the present invention.
Even number gear gearshift control subsystem 11b is identical with the structure of odd number gear gearshift control subsystem 11a.The hydraulic gear-shifting control system 1 of double-clutch automatic gearbox is described for odd number gear gearshift control subsystem 11a below.Odd number gear gearshift control subsystem 11a comprises the first shift fork 111a, the second shift fork 112a, selector valve 113a, the first modulating valve 114a, the second modulating valve 115a, reversing control valve 116a, governor valve control valve 117a and the 3rd modulating valve 118a.
The first oil circuit 101a and the second oil circuit 102a is connected with between selector valve 113a and the first shift fork 111a.The 3rd oil circuit 103a and the 4th oil circuit 104a is connected with between selector valve 113a and the second shift fork 112a.
The 5th oil circuit 105a is connected with between one end of first modulating valve 114a and selector valve 113a, and the other end of the first modulating valve 114a is connected with working connection 13, to flow to five oil circuit 105a with the oil of pressure by the adjustment of the first modulating valve 114a by working connection 13.The 6th oil circuit 106a is connected with between one end of second modulating valve 115a and selector valve 113a, and the other end of the second modulating valve 115a is connected with working connection 13, to flow to six oil circuit 106a with the oil of pressure by the adjustment of the second modulating valve 115a by working connection 13.Alternatively, the first modulating valve 114a and the second modulating valve 115a can regulate mechanical valve for pressure.
As shown in Fig. 1-Fig. 7 and Fig. 9, reversing control valve 116a controls selector valve 113a and is in the first working state, to be communicated with the first oil circuit 101a and the 5th oil circuit 105a, and is communicated with the second oil circuit 102a and the 6th oil circuit 106a.
As shown in Fig. 8 and Figure 10-Figure 16, reversing control valve 116a controls selector valve 113a and is in the second working state, to be communicated with the 3rd oil circuit 103a and the 5th oil circuit 105a, and is communicated with the 4th oil circuit 104a and the 6th oil circuit 106a.
Governor valve control valve 117a is connected with the second modulating valve 115a with the first modulating valve 114a to control the oil pressure in the 5th oil circuit 105a and the 6th oil circuit 106a respectively.Alternatively, governor valve control valve 117a can be solenoid valve.Further alternatively, governor valve control valve 117a is variable flow solenoid valve.
3rd modulating valve 118a be located at the 5th oil circuit 105a and the 6th oil circuit 106a one of them on to regulate the travelling speed of the first shift fork 111a or the second shift fork 112a.In other words, by the 3rd modulating valve 118a to the pressure of oil in the 5th oil circuit 105a or the 6th oil circuit 106a or the adjustment of flow, the shift speed of the hydraulic gear-shifting control system 1 of double-clutch automatic gearbox can be controlled, thus make gearshift more steadily, Consumer's Experience is better.3rd modulating valve 118a can be flow control electromagnetic valve, thus can by regulating the travelling speed by the corresponding shift fork of flow control of the oil of the 3rd modulating valve 118a.
In one embodiment of the invention, the oil pressure of one end of the first modulating valve 114a is greater than the oil pressure of one end of the second modulating valve 115a.That is, the oil pressure of the 5th oil circuit 105a is greater than the oil pressure of the 6th oil circuit 106a.
In other words, governor valve control valve 117a controls the first modulating valve 114a and the second modulating valve 115a simultaneously, due to the first modulating valve 114a different with the mechanical mechanism of the second modulating valve 115a (sectional area of such as spool is different), the oil pressure of the exit end of the first modulating valve 114a is made to be greater than the oil pressure of the exit end of the second modulating valve 115a.
In hydraulic gear-shifting control system 1 shift process of clutch automatic transmission, when needs are linked into the gear of the one end of the corresponding shift fork be connected to the 5th oil circuit 105a or make corresponding shift fork move to meta, the oil pressure of the one end of the corresponding shift fork be connected to the 5th oil circuit 105a, can be regulated by the 3rd modulating valve 118a, make it be less than or equal to the oil pressure of the other end of the corresponding shift fork be connected to the 6th oil circuit 106a.
That is, by the adjustment of the 3rd modulating valve 118a, the travelling speed of corresponding shift fork can not only be controlled, the movement direction of corresponding shift fork can also be controlled.
In one embodiment of the invention, selector valve 113a keeps off one end by the first oil circuit 101a with 1 of the first shift fork 111a and is connected, and selector valve 113a keeps off one end by the second oil circuit 102a with 3 of the first shift fork 111a is connected, keep off two gears for 1 gear and 3 controlling double-clutch automatic gearbox.
Selector valve 113a keeps off one end by the 3rd oil circuit 103a with 5 of the second shift fork 112a and is connected, and selector valve 113a keeps off one end by the 4th oil circuit 104a with 7 of the first shift fork 111a is connected, and keeps off two gears for 5 gears and 7 controlling double-clutch automatic gearbox.
When reversing control valve 116a control selector valve 113a is in the first working state, the first oil circuit 101a is communicated with the 5th oil circuit 105a, and the second oil circuit 102a is communicated with the 6th oil circuit 106a.First modulating valve 114a regulates the oil pressure of 1 gear one end of the first shift fork 111a, and the second modulating valve 115a regulates the oil pressure of 3 gear one end of the first shift fork 111a.3rd modulating valve 118a regulates the travelling speed of the first shift fork 111a.
When reversing control valve 116a control selector valve 113a is in the second working state, the 3rd oil circuit 103a is communicated with the 5th oil circuit 105a, and the 4th oil circuit 104a is communicated with the 6th oil circuit 106a.First modulating valve 114a regulates the oil pressure of 5 gear one end of the second shift fork 112a, and the second modulating valve 115a regulates the oil pressure of 7 gear one end of the second shift fork 112a.3rd modulating valve 118a regulates the travelling speed of the second shift fork 112a.
Even number gear gearshift control subsystem 11b comprises the first shift fork 111b, the second shift fork 112b, selector valve 113b, the first modulating valve 114b, the second modulating valve 115b, reversing control valve 116b, governor valve control valve 117b and the 3rd modulating valve 118b.
Alternatively, the first modulating valve 114b and the second modulating valve 115b can regulate mechanical valve for pressure.
Governor valve control valve 117b is connected with the second modulating valve 115b with the first modulating valve 114b to control the oil pressure in the 5th oil circuit 105b and the 6th oil circuit 106b respectively.Alternatively, governor valve control valve 117b can be solenoid valve.Further alternatively, governor valve control valve 117b is variable flow solenoid valve.
In one embodiment of the invention, selector valve 113b keeps off one end by the first oil circuit 101b with 2 of the first shift fork 111b and is connected, and selector valve 113b keeps off one end by the second oil circuit 102b with 4 of the first shift fork 111b is connected, keep off two gears for 2 gears and 4 controlling double-clutch automatic gearbox.
Selector valve 113b keeps off one end by the 3rd oil circuit 103b with 6 of the second shift fork 112b and is connected, and selector valve 113b keep off (reversing gear) one end with the R of the first shift fork 111b be connected by the 4th oil circuit 104b, for controlling double-clutch automatic gearbox 6 keep off and R gear (reversing gear) two gears.
When reversing control valve 116b control selector valve 113b is in the first working state, the first oil circuit 101b is communicated with the 5th oil circuit 105b, and the second oil circuit 102b is communicated with the 6th oil circuit 106b.First modulating valve 114b regulates the oil pressure of 2 gear one end of the first shift fork 111b, and the second modulating valve 115b regulates the oil pressure of 4 gear one end of the first shift fork 111b.3rd modulating valve 118b regulates the travelling speed of the first shift fork 111b.
When reversing control valve 116b control selector valve 113b is in the second working state, the 3rd oil circuit 103b is communicated with the 5th oil circuit 105b, and the 4th oil circuit 104b is communicated with the 6th oil circuit 106b.First modulating valve 114b regulates the oil pressure of 6 gear one end of the second shift fork 112b, and the second modulating valve 115b regulates the R of the second shift fork 112b to keep off the oil pressure of (reversing gear) one end.3rd modulating valve 118b regulates the travelling speed of the second shift fork 112b.
In one embodiment of the invention, the oil pressure of one end of the first modulating valve 114b is greater than the oil pressure of one end of the second modulating valve 115b.That is, the oil pressure of the 5th oil circuit 105b is greater than the oil pressure of the 6th oil circuit 106b.
In other words, governor valve control valve 117b controls the first modulating valve 114b and the second modulating valve 115b simultaneously, due to the first modulating valve 114b different with the mechanical mechanism of the second modulating valve 115b (sectional area of such as spool is different), the oil pressure of the exit end of the first modulating valve 114b is made to be greater than the oil pressure of the exit end of the second modulating valve 115b.
In hydraulic gear-shifting control system 1 shift process of clutch automatic transmission, when needs are linked into the gear of the one end of the corresponding shift fork be connected to the 5th oil circuit 105b or make corresponding shift fork move to meta, the oil pressure of the one end of the corresponding shift fork be connected to the 5th oil circuit 105b, can be regulated by the 3rd modulating valve 118b, make it be less than or equal to the oil pressure of the other end of the corresponding shift fork be connected to the 6th oil circuit 106b.
That is, by the adjustment of the 3rd modulating valve 118b, the travelling speed of corresponding shift fork can not only be controlled, the movement direction of corresponding shift fork can also be controlled.
In one embodiment of the invention, odd number gear gearshift control subsystem 11a and even number gear gearshift control subsystem 11b shares same reversing control valve.That is, reversing control valve 116a and reversing control valve 116b is same.Thereby reduce the usage quantity of control valve, reduce manufacture cost.
Alternatively, reversing control valve 116a and reversing control valve 116b can be solenoid valve.
In an optional embodiment of the present invention, the 3rd modulating valve 118a can be located on the 5th oil circuit 105a.Selector valve 113a and selector valve 113b can be two position switching valves, and has left position and right position respectively.3rd modulating valve 118a and the 3rd modulating valve 118b can be three-position three-way valve and have left position, meta and right position respectively.
Double-clutch automatic gearbox comprises first clutch (scheming not shown), second clutch (scheming not shown) and oil sump (not shown).Oil in working connection 13 is the oil with pressure that oil pump (not shown) pumps in oil sump.When first clutch engages, hydraulic gear-shifting control system 1 for double-clutch automatic gearbox selects 1 gear, 3 gears, 5 gears or 7 gears for exporting gear according to vehicle actual travel state (such as, the rotating speed, throttle opening, the speed of a motor vehicle etc. of the motor of vehicle).When second clutch engages, hydraulic gear-shifting control system 1 for double-clutch automatic gearbox selects 2 gears, 4 gears, 6 gears or R gear for exporting gear according to vehicle actual travel state (such as, the rotating speed, throttle opening, the speed of a motor vehicle etc. of the motor of vehicle).
Be understandable that, the 3rd modulating valve 118a is a dynamic adjustment process, is regulated the travelling speed of corresponding shift fork by the adjustment of the size of the opening to the 3rd modulating valve 118a, until shift fork moves to corresponding gear.In like manner, the adjustment process of the 3rd modulating valve 118b is also a dynamic adjustment process.
Referring to Fig. 1-Figure 17, the working procedure according to the hydraulic gear-shifting control system 1 for double-clutch automatic gearbox of the embodiment of the present invention is described:
In following description, be all located on the 5th oil circuit 105a with the 3rd modulating valve 118a, the 3rd modulating valve 118b is located on the 5th oil circuit 105b as example is described.
When first clutch engages, according to the actual travel state of vehicle, when vehicle needs to travel with 1 gear, reversing control valve 116a controls selector valve 113a and is in the first working state, and namely selector valve 113a is in left position.From working connection 13 a part of fluid out after the first modulating valve 114a regulates successively through the 5th oil circuit 105a, the 3rd modulating valve 118a, selector valve 113a, the first oil circuit 101a, enter 1 gear one end of the first shift fork 111a.As shown in Figure 1,3rd modulating valve 118a regulates the travelling speed of the first shift fork 111a (such as, when 3rd modulating valve 118a is flow control electromagnetic valve, can pass through to regulate the travelling speed by the oily flow control first shift fork 111a of the 3rd modulating valve 118a), until when the 3rd modulating valve 118a is positioned at left position, the oil of 1 gear one end of the first shift fork 111a flows back to oil sump through the first oil circuit 101a, selector valve 113a, the 5th oil circuit 105a, the 3rd modulating valve 118a successively.
From working connection 13 another part fluid out after the second modulating valve 115a regulates successively through the 6th oil circuit 106a, selector valve 113a, the second oil circuit 102a, enter 3 gear one end of the first shift fork 111a.Thus, there is pressure 3 gear one end of the first shift fork 111a, and 1 gear one end of the first shift fork 111a does not have pressure, and the first shift fork 111a moves to 1 gear one end, realizes vehicle and travels with 1 gear.
When second clutch engages, according to the actual travel state of vehicle, when vehicle needs to travel with 2 gears, reversing control valve 116b controls selector valve 113b and is in the first working state, and namely selector valve 113b is in left position.From working connection 13b a part of fluid out after the first modulating valve 114b regulates successively through the 5th oil circuit 105b, the 3rd modulating valve 118b, selector valve 113b, the first oil circuit 101b, enter 2 gear one end of the first shift fork 111b.As shown in Figure 2,3rd modulating valve 118b regulates the travelling speed of the first shift fork 111b (such as, when 3rd modulating valve 118b is flow control electromagnetic valve, can pass through to regulate the travelling speed by the oily flow control first shift fork 111b of the 3rd modulating valve 118b), until when the 3rd modulating valve 118b is positioned at left position, the oil of 2 gear one end of the first shift fork 111b flows back to oil sump through the first oil circuit 101b, selector valve 113b, the 5th oil circuit 105b, the 3rd modulating valve 118b successively.
From working connection 13 another part fluid out after the second modulating valve 115b regulates successively through the 6th oil circuit 106b, selector valve 113b, the second oil circuit 102b, enter 4 gear one end of the first shift fork 111b.Thus, there is pressure 4 gear one end of the first shift fork 111b, and 2 gear one end of the first shift fork 111b do not have pressure, and the first shift fork 111b moves to 2 gear one end, realize vehicle and travel with 2 gears.
Add in gear process at vehicle, in order to vehicle, next step can be linked into 3 gears smoothly, and while vehicle travels with 2 gears, the first shift fork 111a moves to 1 gear meta from 1 gear.Describe the first shift fork 111a referring to Fig. 3 and keep off back from 1 the process that 1 keeps off meta:
When vehicle, next step will travel with 3 gears, the first shift fork 111a will get back to 1 gear meta from 1 gear, and reversing control valve 116a controls selector valve 113a and is in the first working state, and namely selector valve 113a is in left position.From working connection 13a a part of fluid out after the first modulating valve 114a regulates successively through the 5th oil circuit 105a, the 3rd modulating valve 118a, selector valve 113a, the first oil circuit 101a, enter 1 gear one end of the first shift fork 111a; From working connection 13 another part fluid out after the second modulating valve 115a regulates successively through the 6th oil circuit 106a, selector valve 113a, the second oil circuit 102a, enter 3 gear one end of the first shift fork 111a.
Thus, all there is oil pressure at the two ends of the first shift fork 111a.Originally, the oil pressure due to one end of the first modulating valve 114a is greater than the oil pressure of one end of the second modulating valve 115a, and therefore the oil pressure of 1 gear one end of the first shift fork 111a is greater than the oil pressure of 3 gear one end of the first shift fork 111a.Then, being regulated by the 3rd modulating valve 118a makes the oil pressure of 1 of the first shift fork 111a gear one end reduce gradually, until with 3 of the first shift fork 111a, to keep off the oil pressure of one end equal, makes the first shift fork 111a move to 1 gear meta with suitable speed from 1 gear one end simultaneously.Finally, when the first shift fork 111a moves to 1 gear meta from 1 gear one end, as shown in figure 17, the first modulating valve 114a, the second modulating valve 115a, the 3rd modulating valve 118a are in initial position.The oily current-sharing oil return drain pan at the two ends of the first shift fork 111a.
When first clutch engages, according to the actual travel state of vehicle, when vehicle needs to travel with 3 gears, reversing control valve 116a controls selector valve 113a and is in the first working state, and namely selector valve 113a is in left position.From working connection 13 a part of fluid out after the first modulating valve 114a regulates successively through the 5th oil circuit 105a, the 3rd modulating valve 118a, selector valve 113a, the first oil circuit 101a, enter 1 gear one end of the first shift fork 111a.As shown in Figure 4,3rd modulating valve 118a regulates the travelling speed of the first shift fork 111a (such as, when 3rd modulating valve 118a is flow control electromagnetic valve, can pass through to regulate the travelling speed by the oily flow control first shift fork 111a of the 3rd modulating valve 118a), until the 3rd modulating valve 118a is positioned at right position.
From working connection 13 another part fluid out after the second modulating valve 115a regulates successively through the 6th oil circuit 106a, selector valve 113a, the second oil circuit 102a, enter 3 gear one end of the first shift fork 111a.
Because the first modulating valve 114a is different with the mechanical mechanism of the second modulating valve 115a, governor valve control valve 117a controls the first modulating valve 114a and the second modulating valve 115a, make the oil pressure of 1 of the first shift fork 111a gear one end be greater than the oil pressure of 3 gear one end, vehicle realizes 3 gears and travels.
Add in gear process at vehicle, in order to vehicle, next step can be linked into 4 gears smoothly, and while vehicle travels with 3 gears, the first shift fork 111b moves to 2 gear metas from 2 gears.Describe the first shift fork 111b referring to Fig. 5 and keep off back from 2 the process that 2 keep off metas:
When vehicle, next step will travel with 4 gears, the first shift fork 111b will get back to 2 gear metas from 2 gears, and reversing control valve 116b controls selector valve 113b and is in the first working state, and namely selector valve 113b is in left position.From working connection 13 a part of fluid out after the first modulating valve 114b regulates successively through the 5th oil circuit 105b, the 3rd modulating valve 118b, selector valve 113b, the first oil circuit 101b, enter 2 gear one end of the first shift fork 111b; From working connection 13 another part fluid out after the second modulating valve 115b regulates successively through the 6th oil circuit 106b, selector valve 113b, the second oil circuit 102b, enter 4 gear one end of the first shift fork 111b.
Thus, all there is oil pressure at the two ends of the first shift fork 111b.Originally, the oil pressure due to one end of the first modulating valve 114b is greater than the oil pressure of one end of the second modulating valve 115b, and therefore the oil pressure of 2 gear one end of the first shift fork 111b is greater than the oil pressure of 4 gear one end of the first shift fork 111b.Then, being regulated by the 3rd modulating valve 118b makes the oil pressure of 2 of the first shift fork 111b gear one end reduce gradually, until with 4 of the first shift fork 111b, to keep off the oil pressure of one end equal, makes the first shift fork 111b move to 2 gear metas with suitable speed from 2 gear one end simultaneously.Finally, when the first shift fork 111b moves to 2 gear meta from 2 gear one end, as shown in figure 17, the first modulating valve 114b, the second modulating valve 115b, the 3rd modulating valve 118b are in initial position.The oily current-sharing oil return drain pan at the two ends of the first shift fork 111b.
When second clutch engages, according to the actual travel state of vehicle, when vehicle needs to travel with 4 gears, reversing control valve 116b controls selector valve 113b and is in the first working state, and namely selector valve 113b is in left position.From working connection 13 a part of fluid out after the first modulating valve 114b regulates successively through the 5th oil circuit 105b, the 3rd modulating valve 118b, selector valve 113b, the first oil circuit 101b, enter 2 gear one end of the first shift fork 111b.As shown in Figure 6,3rd modulating valve 118b regulates the travelling speed of the first shift fork 111b (such as, when 3rd modulating valve 118b is flow control electromagnetic valve, can pass through to regulate the travelling speed by the oily flow control first shift fork 111b of the 3rd modulating valve 118b), until the 3rd modulating valve 118b is positioned at right position.
From working connection 13 another part fluid out after the second modulating valve 115b regulates successively through the 6th oil circuit 106b, selector valve 113b, the second oil circuit 102b, enter 4 gear one end of the first shift fork 111b.
Because the first modulating valve 114b is different with the mechanical mechanism of the second modulating valve 115b, governor valve control valve 117b controls the first modulating valve 114b and the second modulating valve 115b, make the oil pressure of 2 of the first shift fork 111b gear one end be greater than the oil pressure of 4 gear one end, vehicle realizes 4 gears and travels.
Add in gear process at vehicle, in order to vehicle, next step can be linked into 5 gears smoothly, and while vehicle travels with 4 gears, the first shift fork 111a moves to 3 gear metas from 3 gears.As shown in Fig. 7 and Figure 17, first shift fork 111a keeps off back the process of 3 gear metas from 3, in odd number gear gearshift control subsystem 11a, the flow path of oil and the first shift fork 111a keep off back 1 from 1 and keep off the process of meta, in odd number gear gearshift control subsystem 11a, the flow path of oil is identical, and the 3 gear metas of 1 of the first shift fork 111a gear meta and the first shift fork 111a are same position.Its difference is only, the initial position of the first shift fork 111a is different.Specifically, when the first shift fork 111a keeps off back 1 gear meta from 1, the position that when initial position of the first shift fork 111a is 1 gear, the first shift fork 111a is in.When first shift fork 111a keeps off back 3 gear meta from 3, the position that when initial position of the first shift fork 111a is 3 gear, the first shift fork 111a is in.
When first clutch engages, according to the actual travel state of vehicle, when vehicle needs to travel with 5 gears, reversing control valve 116a controls selector valve 113a and is in the second working state, and namely selector valve 113a is in right position.From working connection 13 a part of fluid out after the first modulating valve 114a regulates successively through the 5th oil circuit 105a, the 3rd modulating valve 118a, selector valve 113a, the 3rd oil circuit 103a, enter 5 gear one end of the second shift fork 112a.As shown in Figure 8,3rd modulating valve 118a regulates the travelling speed of the second shift fork 112a (such as, when 3rd modulating valve 118a is flow control electromagnetic valve, can pass through to regulate the travelling speed by the oily flow control second shift fork 112a of the 3rd modulating valve 118a), until when the 3rd modulating valve 118a is positioned at left position, the oil of 5 gear one end of the first shift fork 111a flows back to oil sump through the 3rd oil circuit 103a, selector valve 113a, the 5th oil circuit 105a, the 3rd modulating valve 118a successively.
From working connection 13 another part fluid out after the second modulating valve 115a regulates successively through the 6th oil circuit 106a, selector valve 113a, the 4th oil circuit 104a, enter 7 gear one end of the second shift fork 112a.Thus, there is pressure 7 gear one end of the first shift fork 111a, and 5 gear one end of the first shift fork 111a do not have pressure, and the first shift fork 111a moves to 5 gear one end, realize vehicle and travel with 5 gears.
Add in gear process at vehicle, in order to vehicle, next step can be linked into 6 gears smoothly, and while vehicle travels with 5 gears, the first shift fork 111b moves to 4 gear metas from 4 gears.As shown in Fig. 9 and Figure 17, first shift fork 111b keeps off back the process of 4 gear metas from 4, in even number gear gearshift control subsystem 11b, the flow path of oil and the first shift fork 111b keep off back 2 from 2 and keep off the process of meta, in even number gear gearshift control subsystem 11b, the flow path of oil is identical, and the 4 gear metas of 2 of the first shift fork 111b gear metas and the first shift fork 111b are same position.Its difference is only, the initial position of the first shift fork 111b is different.Specifically, when the first shift fork 111b keeps off back 2 gear meta from 2, the position that when initial position of the first shift fork 111b is 2 gear, the first shift fork 111b is in.When first shift fork 111b keeps off back 4 gear meta from 4, the position that when initial position of the first shift fork 111b is 4 gear, the first shift fork 111b is in.
When second clutch engages, according to the actual travel state of vehicle, when vehicle needs to travel with 6 gears, reversing control valve 116b controls selector valve 113b and is in the second working state, and namely selector valve 113b is in right position.From working connection 13 a part of fluid out after the first modulating valve 114b regulates successively through the 5th oil circuit 105b, the 3rd modulating valve 118b, selector valve 113b, the 3rd oil circuit 103b, enter 6 gear one end of the second shift fork 112b.As shown in Figure 10,3rd modulating valve 118b regulates the travelling speed of the second shift fork 112b (such as, when 3rd modulating valve 118b is flow control electromagnetic valve, can pass through to regulate the travelling speed by the oily flow control second shift fork 112b of the 3rd modulating valve 118b), until when the 3rd modulating valve 118b is positioned at left position, the oil of 6 gear one end of the second shift fork 112b flows back to oil sump through the 3rd oil circuit 103b, selector valve 113b, the 5th oil circuit 105b, the 3rd modulating valve 118b successively.
From working connection 13 another part fluid out after the second modulating valve 115b regulates successively through the 6th oil circuit 106b, selector valve 113b, the 4th oil circuit 104b, the R entering the second shift fork 112b keeps off one end.Thus, the R of the second shift fork 112b keeps off one end pressure, and 6 gear one end of the second shift fork 112b do not have pressure, and the second shift fork 112b moves to 6 gear one end, realize vehicle and travel with 6 gears.
Add in gear process at vehicle, in order to vehicle, next step can be linked into 7 gears smoothly, and while vehicle travels with 6 gears, the second shift fork 112a moves to 5 gear metas from 5 gears.Describe the second shift fork 112a referring to Figure 11 and keep off back from 5 the process that 5 keep off metas:
When vehicle, next step will travel with 7 gears, the second shift fork 112a will get back to 5 gear metas from 5 gears, and reversing control valve 116a controls selector valve 113a and is in the second working state, and namely selector valve 113a is in right position.From working connection 13 a part of fluid out after the first modulating valve 114a regulates successively through the 5th oil circuit 105a, the 3rd modulating valve 118a, selector valve 113a, the 3rd oil circuit 103a, enter 5 gear one end of the second shift fork 112a; From working connection 13 another part fluid out after the second modulating valve 115a regulates successively through the 6th oil circuit 106a, selector valve 113a, the 4th oil circuit 104a, enter 7 gear one end of the second shift fork 112a.
Thus, all there is oil pressure at the two ends of the second shift fork 112a.Originally, the oil pressure due to one end of the first modulating valve 114a is greater than the oil pressure of one end of the second modulating valve 115a, and therefore the oil pressure of 5 gear one end of the second shift fork 112a is greater than the oil pressure of 7 gear one end of the second shift fork 112a.Then, being regulated by the 3rd modulating valve 118a makes the oil pressure of 5 of the second shift fork 112a gear one end reduce gradually, until with 7 of the second shift fork 112a, to keep off the oil pressure of one end equal, makes the second shift fork 112a move to 5 gear metas with suitable speed from 5 gear one end simultaneously.Finally, when the second shift fork 112a moves to 5 gear meta from 5 gear one end, as shown in figure 17, the first modulating valve 114a, the second modulating valve 115a, the 3rd modulating valve 118a are in initial position.The oily current-sharing oil return drain pan at the two ends of the second shift fork 112a.
When first clutch engages, according to the actual travel state of vehicle, when vehicle needs to travel with 7 gears, reversing control valve 116a controls selector valve 113a and is in the second working state, and namely selector valve 113a is in right position.From working connection 13 a part of fluid out after the first modulating valve 114a regulates successively through the 5th oil circuit 105a, the 3rd modulating valve 118a, selector valve 113a, the 3rd oil circuit 103a, enter 5 gear one end of the second shift fork 112a.As shown in figure 12,3rd modulating valve 118a regulates the travelling speed of the second shift fork 112a (such as, when 3rd modulating valve 118a is flow control electromagnetic valve, can pass through to regulate the travelling speed by the oily flow control second shift fork 112a of the 3rd modulating valve 118a), until the 3rd modulating valve 118a is positioned at right position.
From working connection 13 another part fluid out after the second modulating valve 115a regulates successively through the 6th oil circuit 106a, selector valve 113a, the 4th oil circuit 104a, enter 7 gear one end of the second shift fork 112a.
Because the first modulating valve 114a is different with the mechanical mechanism of the second modulating valve 115a, governor valve control valve 117a controls the first modulating valve 114a and the second modulating valve 115a, make the oil pressure of 5 of the second shift fork 112a gear one end be greater than the oil pressure of 7 gear one end, vehicle realizes 7 gears and travels.
In order to vehicle, next step can be linked into R gear smoothly, and the first shift fork 111b moves to 6 gear metas from 6 gears.Describe the second shift fork 112b referring to Figure 13 and keep off back from 6 the process that 6 keep off metas:
When vehicle, next step will travel with R gear, the second shift fork 112b will get back to 6 gear metas from 6 gears, and reversing control valve 116b controls selector valve 113b and is in the second working state, and namely selector valve 113 is in right position.From working connection 13 a part of fluid out after the first modulating valve 114b regulates successively through the 5th oil circuit 105b, the 3rd modulating valve 118b, selector valve 113b, the 3rd oil circuit 103b, enter 6 gear one end of the second shift fork 112b; From working connection 13 another part fluid out after the second modulating valve 115b regulates successively through the 6th oil circuit 106b, selector valve 113b, the 4th oil circuit 104b, the R entering the second shift fork 112b keeps off one end.
Thus, all there is oil pressure at the two ends of the second shift fork 112b.Originally, the oil pressure due to one end of the first modulating valve 114b is greater than the oil pressure of one end of the second modulating valve 115b, and the R that therefore oil pressure of 6 gear one end of the second shift fork 112b are greater than the second shift fork 112b keeps off the oil pressure of one end.Then, being regulated by the 3rd modulating valve 118b makes the oil pressure of 6 of the second shift fork 112b gear one end reduce gradually, until with the R of the second shift fork 112b, to keep off the oil pressure of one end equal, makes the second shift fork 112b move to 6 gear metas with suitable speed from 6 gear one end simultaneously.Finally, when the second shift fork 112b moves to 6 gear meta from 6 gear one end, as shown in figure 17, the first modulating valve 114b, the second modulating valve 115b, the 3rd modulating valve 118b are in initial position.The oily current-sharing oil return drain pan at the two ends of the second shift fork 112b.
When second clutch engages, according to the actual travel state of vehicle, when vehicle needs to travel with R gear, reversing control valve 116b controls selector valve 113b and is in the second working state, and namely selector valve 113b is in right position.From working connection 13 a part of fluid out after the first modulating valve 114b regulates successively through the 5th oil circuit 105b, the 3rd modulating valve 118b, selector valve 113b, the 3rd oil circuit 103b, enter 6 gear one end of the second shift fork 112b.As shown in figure 14,3rd modulating valve 118b regulates the travelling speed of the second shift fork 112b (such as, when 3rd modulating valve 118b is flow control electromagnetic valve, can pass through to regulate the travelling speed by the oily flow control second shift fork 112b of the 3rd modulating valve 118b), until the 3rd modulating valve 118b is positioned at right position.
From working connection 13 another part fluid out after the second modulating valve 115b regulates successively through the 6th oil circuit 106b, selector valve 113b, the 4th oil circuit 104b, the R entering the second shift fork 112b keeps off one end.
Because the first modulating valve 114b is different with the mechanical mechanism of the second modulating valve 115b, governor valve control valve 117b controls the first modulating valve 114b and the second modulating valve 115b, make the oil pressure of 6 of the second shift fork 112b gear one end be greater than the oil pressure that R keeps off one end, vehicle realizes R gear and travels.
Subtract in gear process at vehicle, in order to vehicle, next step can be linked into 5 gears smoothly, and while vehicle travels with 6 gears, the second shift fork 112a moves to 7 gear metas from 7 gears.As shown in Figure 15 and Figure 17, second shift fork 112a keeps off back the process of 7 gear metas from 7, in odd number gear gearshift control subsystem 11a, the flow path of oil and the second shift fork 112a keep off back 5 from 5 and keep off the process of meta, in odd number gear gearshift control subsystem 11a, the flow path of oil is identical, and the 7 gear metas of 5 of the second shift fork 112a gear metas and the second shift fork 112a are same position.Its difference is only, the initial position of the second shift fork 112a is different.Specifically, when the second shift fork 112a keeps off back 5 gear meta from 5, the position that when initial position of the second shift fork 112a is 5 gear, the second shift fork 112a is in.When second shift fork 112a keeps off back 7 gear meta from 7, the position that when initial position of the second shift fork 112a is 7 gear, the second shift fork 112a is in.
Add in gear process at vehicle, in order to vehicle, next step can be linked into 6 gears smoothly, and while vehicle travels with 5 gears, the second shift fork 112b moves to R from R gear and keeps off meta.As shown in Figure 16 and Figure 17, second shift fork 112b keeps off back R from R and keeps off the process of meta, in even number gear gearshift control subsystem 11b, the flow path of oil and the second shift fork 112b keep off back 6 from 6 and keep off the process of meta, in even number gear gearshift control subsystem 11b, the flow path of oil is identical, and the R gear meta of 6 of the second shift fork 112b gear metas and the second shift fork 112b is same position.Its difference is only, the initial position of the second shift fork 112b is different.Specifically, when the second shift fork 112b keeps off back 6 gear meta from 6, the position that when initial position of the second shift fork 112b is 6 gear, the second shift fork 112b is in.When second shift fork 112b keeps off back R gear meta from R, the position that when initial position of the second shift fork 112b is R gear, the second shift fork 112b is in.
According to the hydraulic gear-shifting control system 1 of the double-clutch automatic gearbox of the embodiment of the present invention, the speed of corresponding shift fork movement is regulated by the 3rd modulating valve 118a and the 3rd modulating valve 118b, and the direction of corresponding shift fork movement, make shift process smooth-going, during gearshift, travelling comfort increases.Meanwhile, the hydraulic gear-shifting control system 1 of double-clutch automatic gearbox achieve switching between each gear by less control valve, control simple.In addition, any one solenoid valve in the hydraulic gear-shifting control system 1 of double-clutch automatic gearbox still can realize at least four gears after damaging.That is, after any one solenoid valve in the hydraulic gear-shifting control system 1 of double-clutch automatic gearbox damages, vehicle still can travel.Therefore, according to the hydraulic gear-shifting control system 1 of the double-clutch automatic gearbox of the embodiment of the present invention, smooth gear shifting, control simple and any one solenoid valve still can ensure that vehicle travels after damaging.
Present invention also offers a kind of double-clutch automatic gearbox.Described double-clutch automatic gearbox comprises the hydraulic gear-shifting control system 1 of according to a first aspect of the present invention described double-clutch automatic gearbox, thus makes double-clutch automatic gearbox control simple, smooth gear shifting and Safety performance is high.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention when not departing from principle of the present invention and aim, revising, replacing and modification.
Claims (9)
1. the hydraulic gear-shifting control system of a double-clutch automatic gearbox, it is characterized in that, comprise: odd number gear gearshift control subsystem, even number gear gearshift control subsystem and working connection, each of keeping off in gearshift control subsystem and described even number gear gearshift control subsystem of described odd number includes:
First shift fork, the second shift fork and selector valve, be connected with the first oil circuit and the second oil circuit between described selector valve and described first shift fork, and be connected with the 3rd oil circuit and the 4th oil circuit between described selector valve and described second shift fork;
First modulating valve and the second modulating valve, the 5th oil circuit is connected with between one end of described first modulating valve and described selector valve, and the other end of described first modulating valve is connected with described working connection, the 6th oil circuit is connected with between one end of described second modulating valve and described selector valve, and the other end of described second modulating valve is connected with described working connection, the oil pressure of one end of described first modulating valve is greater than the oil pressure of one end of described second modulating valve;
Reversing control valve, described reversing control valve controls described selector valve and is in the first working state to be communicated with described first oil circuit and described 5th oil circuit, and be communicated with described second oil circuit and described 6th oil circuit, or control described selector valve and be in the second working state to be communicated with described 3rd oil circuit and described 5th oil circuit, and be communicated with described 4th oil circuit and described 6th oil circuit;
Governor valve control valve, described governor valve control valve is connected with described second modulating valve with described first modulating valve to control the oil pressure in described 5th oil circuit and described 6th oil circuit respectively;
3rd modulating valve, described 3rd modulating valve be located at described 5th oil circuit and described 6th oil circuit one of them on to regulate the travelling speed of described first shift fork or described second shift fork.
2. the hydraulic gear-shifting control system of double-clutch automatic gearbox according to claim 1, is characterized in that, described 3rd modulating valve is located on described 5th oil circuit.
3. the hydraulic gear-shifting control system of double-clutch automatic gearbox according to claim 1, is characterized in that, described reversing control valve is solenoid valve.
4. the hydraulic gear-shifting control system of double-clutch automatic gearbox according to claim 1, is characterized in that, described governor valve control valve is solenoid valve.
5. the hydraulic gear-shifting control system of the double-clutch automatic gearbox according to claim 1 or 4, is characterized in that, described governor valve control valve is variable flow solenoid valve.
6. the hydraulic gear-shifting control system of double-clutch automatic gearbox according to claim 1, is characterized in that, described first modulating valve and described second modulating valve are that pressure regulates mechanical valve.
7. the hydraulic gear-shifting control system of double-clutch automatic gearbox according to claim 1, is characterized in that, described 3rd modulating valve is flow control electromagnetic valve.
8. the hydraulic gear-shifting control system of double-clutch automatic gearbox according to claim 1, is characterized in that, described odd number gear gearshift control subsystem and described even number gear gearshift control subsystem share same reversing control valve.
9. a double-clutch automatic gearbox, is characterized in that, comprises the hydraulic gear-shifting control system of the double-clutch automatic gearbox according to any one of claim 1-8.
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| CN105221739B (en) * | 2014-07-04 | 2017-12-22 | 上海汽车集团股份有限公司 | Dual clutch transmission is controlled to enter gear, the method and hydraulic control system of gearshift |
| CN104329454A (en) * | 2014-10-09 | 2015-02-04 | 重庆青山工业有限责任公司 | Hydraulic system for shifting of dual-clutch transmission |
| DE102014019010A1 (en) * | 2014-12-18 | 2016-06-23 | Daimler Ag | hydraulic system |
| CN105134940B (en) * | 2015-07-29 | 2018-01-12 | 联合汽车电子有限公司 | Liquid start synchronizer executing agency |
| CN107588188B (en) * | 2016-07-08 | 2023-03-10 | 广州汽车集团股份有限公司 | Hydraulic gear-shifting control system of double-clutch automatic transmission |
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Effective date of registration: 20191115 Address after: 071000 No.75, Dongsheng Road, Lianchi District, Baoding City, Hebei Province Patentee after: Beehive transmission technology Hebei Co., Ltd Address before: 071000 No. 2266 Chaoyang South Street, Hebei, Baoding Patentee before: Changcheng Automobile Co., Ltd. |
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Effective date of registration: 20201208 Address after: 5 / F, north side of Chuangye Avenue, Gaogang science and Technology Innovation Park, Taizhou City, Jiangsu Province 225300 Patentee after: Honeycomb intelligent transmission system (Jiangsu) Co., Ltd Address before: 071000 No.75, Dongsheng Road, Lianchi District, Baoding City, Hebei Province Patentee before: Beehive transmission technology Hebei Co.,Ltd. |
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