CN207598898U - Hydraulic gear-shifting system with parking control function - Google Patents
Hydraulic gear-shifting system with parking control function Download PDFInfo
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- CN207598898U CN207598898U CN201721678099.6U CN201721678099U CN207598898U CN 207598898 U CN207598898 U CN 207598898U CN 201721678099 U CN201721678099 U CN 201721678099U CN 207598898 U CN207598898 U CN 207598898U
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Abstract
The utility model is related to the hydraulic gear-shifting systems with parking control function, and including shift module and parking module, parking inverting module includes the parking reversal valve of control parking lock, and parking reversal valve is equipped with the first oil circuit and the second oil circuit for parking lock fuel feeding or oil return；Further include the third oil circuit equipped with P gear opening valves and the 4th oil circuit equipped with non-P gear opening valves；P gear opening valves are controlled by the 4th solenoid valve C1_cv, and the oil inlet end of P gear opening valves is connected with the output terminal of second solenoid valve B2_cv, and the output terminal of P gear opening valves passes through parking reversal valve and the first oil communication；Non- P gear opening valves are controlled by third solenoid valve B3_cv, and the oil inlet end of non-P gears opening valve is connected with the output terminal of the 5th solenoid valve C2_cv, and the output terminal of non-P gears opening valve passes through parking reversal valve and the second oil communication；Further include the switch valve of control parking reversal valve.The control oil circuit of parking reversal valve and the oil circuit of shift module share, and simplify the oil circuit of hydraulic system.
Description
Technical field
The utility model is related to the hydraulic gear-shifting systems with parking control function.
Background technology
As people require shift quality higher and higher, the dynamic power shift gear box application in engineering machinery at home
Also it is more and more universal.The key property of dynamic power shift gear box is exactly shift gears stationarity and rapidity, is delayed mainly by hydraulic gear-shifting
Valve control shift clutch is rushed to ensure.In the prior art, the control of clutch or brake not only needs control valve control of shifting gears
Liquefaction road, it is also necessary to which solenoid valve control is shifted gears control valve, causes control system component more and system complex.
Utility model content
It is turned on and off the technical problem to be solved by the utility model is to provide a kind of controllable parking lock and oil circuit is simple
It is single, facilitate the hydraulic gear-shifting system with parking control function of arrangement.
In order to solve the above technical problems, the technical solution of the utility model is：Hydraulic gear-shifting with parking control function
System, including shift module, the shift module includes the working connection of connection pump oil module, further includes second brake B2, the
Three brake B3, first clutch C1 and second clutch C2 are provided with the control second brake on the working connection
Second solenoid valve B2_cv controls the third solenoid valve B3_cv of third brake, controls the 4th solenoid valve C1_ of first clutch
The 5th solenoid valve C2_cv of cv and control second clutch；
Parking inverting module is further included, the parking inverting module includes the parking reversal valve of control parking lock, described to stay
Vehicle reversal valve is equipped with the first oil circuit and the second oil circuit for the parking lock fuel feeding or oil return；It further includes equipped with P gear opening valves
Third oil circuit and the 4th oil circuit equipped with non-P gear opening valves；
The P gear opening valve control by the 4th solenoid valve C1_cv, the oil inlet end of the P gears opening valve and described the
The output terminal connection of two solenoid valve B2_cv, the output terminal of the P gears opening valve are connected by the parking reversal valve and the first oil circuit
It is logical；
The non-P gear opening valve control by the third solenoid valve B3_cv, and the non-P keeps off the oil inlet end and the of opening valve
The output terminal connection of five solenoid valve C2_cv, the output terminal of the non-P gears opening valve pass through the parking reversal valve and described second
Oil communication；
Further include the switch valve for controlling the parking reversal valve.
As preferred technical solution, the P gears opening valve, the non-P gear opening valves and the parking reversal valve are
Mechanical valve；The opening end of the P gears opening valve is connected with the 4th solenoid valve C1_cv；The opening end of the non-P gears opening valve
It is connected with the third solenoid valve B3_cv；The switch valve is solenoid valve, and the output port of the switch valve is changed with the parking
It is connected to the opening end of valve.
As preferred technical solution, further include the first brake B1 and control the first electromagnetism of the first brake B1
Valve B1_cv.
As preferred technical solution, the first solenoid valve B1_cv, second solenoid valve B2_cv, third solenoid valve B3_
Cv, the 4th solenoid valve C1_cv and the 5th solenoid valve C2_cv include electromagnetic coil and valve body, and the valve body is equipped with first and adjusts
It saves port, second adjust port, normally opened port and overflow port, under the electromagnetic coil off-position, second adjustable side
Mouth is closed in opening, the first adjusting port, and the electromagnetic coil is powered, and described first adjusts port
Port aperture size is adjusted with described second to adjust with the size of current of the electromagnetic coil, and then realize that normally opened port is different
Oil pressure exports.
As preferred technical solution, the first adjusting port of the 5th solenoid valve C2_cv is connected with the working connection,
Second adjusting port connects back to oil-piping, and normally opened port is connected with the second clutch C2 and the non-P gears opening valve；
The second of the third solenoid valve B3_cv adjusts port and includes first port and second port, first port and institute
Working connection connection is stated, second port is connected with the first adjusting port of second solenoid valve B2_cv；First adjusting port connects back to oil
Pipeline, normally opened port are connected with the first brake B3 and the non-P gears opening valve；
The second adjusting port of the second solenoid valve B2_cv connects back to oil-piping；Normally opened port and the described first braking
Device B2 and P gear opening valve connections；
The first adjusting port of the 4th solenoid valve C1_cv is connected with the working connection, and the second adjusting port connects back to
Oil-piping, normally opened port are connected with the second clutch C1 and P gear opening valves；
The second adjusting port of the first solenoid valve B1_cv is connected with the working connection, and the first adjusting port connects back to
Oil-piping, normally opened port are connected with the first brake B1.
As preferred technical solution, the working connection is equipped with pressure maintaining valve.
By adopting the above-described technical solution, the hydraulic gear-shifting system with parking control function realize shift module and
The oil circuit of parking inverting module shares, wherein, when parking lock is opened, switch valve opens parking reversal valve, the first oil circuit and the
Three oil communications, the second oil circuit and the 4th oil communication, the 4th solenoid valve C1_cv control P gear opening valves are opened, second solenoid valve
B2_cv is opened to parking lock fuel feeding；The oil return of parking lock is then let out back by the non-P gear opening valves and the 5th solenoid valve C2_cv
Into oil sump.Hydraulic oil flow direction is on the contrary, the difference lies in pass through second solenoid valve B2_cv or the 5th when parking lock is closed
During solenoid valve C2_cv drainings, second solenoid valve B2_cv and the 5th solenoid valve C2_cv do not need to open.Above-mentioned shifting system is not only
The whole oil circuit of hydraulic system is simplified, the quantity of valve body is also reduced, conducive to the arrangement of entire hydraulic system.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the hydraulic schematic diagram of the utility model；
Fig. 2 is the control principle drawing of solenoid valve in the utility model embodiment；
Fig. 3 is the shift logic figure of the utility model.
Specific embodiment
As shown in Figure 1, the hydraulic gear-shifting system with parking control function, including shift module, the shift module packet
Include connection pump oil module working connection g, further include second brake B2, third brake B3, first clutch C1 and second from
Clutch C2 is provided with the second solenoid valve B2_cv for controlling the second brake B2 on the working connection, controls third brake
The 5th of the third solenoid valve B3_cv of B3, the 4th solenoid valve C1_cv of control first clutch C1 and control second clutch C2
Solenoid valve C2_cv.Parking inverting module is further included, the parking inverting module includes the parking reversal valve of control parking lock 11
10, the parking reversal valve 10 is equipped with the first oil circuit 14 and the second oil circuit 13 for 11 fuel feeding of parking lock or oil return；Also wrap
Include the third oil circuit 15 equipped with P gear opening valves 9 and the 4th oil circuit e equipped with non-P gear opening valves 7；The P keeps off opening valve 9 by institute
The 4th solenoid valve C1_cv controls are stated, the output terminal of the oil inlet end and the second solenoid valve B2_cv of the P gears opening valve 9 connects
Logical, the output terminal of the P gears opening valve 9 is connected by the parking reversal valve 10 with the first oil circuit 14；The non-P gears opening valve
7 are controlled by the third solenoid valve B3_cv, the oil inlet end of the non-P gears opening valve 7 and the output terminal of the 5th solenoid valve C2_cv
Connection, the output terminal of the non-P gears opening valve 7 pass through the parking reversal valve 10 and second oil communication 13；It further includes
Control the switch valve 12 of the parking reversal valve 10.
The P gears opening valve 9, the non-P gear opening valves 7 and the parking reversal valve 10 are mechanical valve.The P is stopped
The opening end for opening valve 9 is connected with the 4th solenoid valve C1_cv；The opening end and the third electromagnetism of the non-P gears opening valve 7
Valve B3_cv is connected；The switch valve 12 is solenoid valve, the output port of the switch valve 12 and opening for the parking reversal valve 10
Qi Duan is connected.
As depicted in figs. 1 and 2, the first solenoid valve B1_cv, second solenoid valve B2_cv, third solenoid valve B3_cv,
Four solenoid valve C1_cv and the 5th solenoid valve C2_cv include electromagnetic coil 2 and valve body 1, and the valve body is equipped with the first adjustable side
Mouthful 3, second adjusts port 4, normally opened port 5 and overflow port 6, under 2 off-position of electromagnetic coil, second adjustable side
Mouth 4 is closed in opening, the first adjusting port 3, and the electromagnetic coil 2 is powered, and spool is by electromagnetism
The thrust movement that coil 2 applies, described first, which adjusts port 3 and described second, adjusts 4 aperture size of port with the electromagnetic wire
The size of current adjustment of circle 2, since the cross-sectional sizes of the spool corresponding to the first adjusting port 3 and the second adjusting port 4 are different
And after spool movement first adjust port 3 and second adjust port 4 aperture it is different, and then it is different to adjust normally opened port 5
Oil pressure exports.
The first adjusting port of the 5th solenoid valve C2_cv is connected with the working connection, and the second adjusting port connects back to
Oil-piping, normally opened port are connected with the second clutch C2 and the non-P gears opening valve；The third solenoid valve B3_cv's
Second, which adjusts port, includes first port and second port, and first port is connected with the working connection, second port and the second electricity
The first of magnet valve B2_cv adjusts port connection；First adjusting port connects back to oil-piping, normally opened port and first brake
B3 and the non-P gears opening valve connection；The second adjusting port of the second solenoid valve B2_cv connects back to oil-piping；Normally open end
Mouth is connected with the first brake B2 and P gear opening valves；The first of the 4th solenoid valve C1_cv adjusts port and institute
Working connection connection is stated, the second adjusting port connects back to oil-piping, and normally opened port is stopped and opened with the second clutch C1 and the P
Valve connects.It further includes the first brake B1 and controls the first solenoid valve B1_cv of the first brake B1, first electromagnetism
The second adjusting port of valve B1_cv is connected with the working connection, and first, which adjusts port, connects back to oil-piping, normally opened port with it is described
First brake B1 is connected.As shown in figure 3, the shift logic of hydraulic system, speed changer is in when reversing gear, second brake B2 and
Second clutch C2 is acted；In driving process, when speed changer is in a gear, the first brake B1 and second brake B2 actions；
When speed changer is in two gears, the first brake B1 and third brake B3 actions；When speed changer is in three gears, the first brake B1
It is acted with second clutch device C2；When speed changer is in four gears, the first brake B1 and first clutch device C1 actions；Speed changer
During in five gears, first clutch C1 and second clutch device C2 actions；When speed changer is in six gears, third brake B3 and the
One clutch device C1 is acted；During brake, second brake B2 and third brake B3 actions；Parking reversal valve 10 opens parking lock
It opens, second brake B2 and first clutch device C1 actions；Parking reversal valve 10 closes parking lock, third brake B3 and
Two clutch device C2 are acted.
In order to which oil pressure on working connection is maintained to stablize, ensure the stabilization of brake and clutch operating, set on the working connection g
There is pressure maintaining valve 8.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. the hydraulic gear-shifting system with parking control function, including shift module, the shift module includes connection pump oil mould
The working connection of block further includes second brake B2, third brake B3, first clutch C1 and second clutch C2, feature
It is：It is provided with the second solenoid valve B2_cv for controlling the second brake on the working connection, the of control third brake
Three solenoid valve B3_cv, the 4th solenoid valve C1_cv for controlling first clutch and the 5th solenoid valve C2_ for controlling second clutch
cv；
Parking inverting module is further included, the parking inverting module includes the parking reversal valve of control parking lock, and the parking is changed
The first oil circuit and the second oil circuit for the parking lock fuel feeding or oil return are equipped with to valve；Further include the third equipped with P gear opening valves
Oil circuit and the 4th oil circuit equipped with non-P gear opening valves；
The P gears opening valve is controlled by the 4th solenoid valve C1_cv, oil inlet end and the described second electricity of the P gears opening valve
The output terminal connection of magnet valve B2_cv, the output terminal of the P gears opening valve pass through the parking reversal valve and the first oil communication；
The non-P gears opening valve is controlled by the third solenoid valve B3_cv, the oil inlet end and the 5th electricity of the non-P gears opening valve
The output terminal connection of magnet valve C2_cv, the output terminal of the non-P gears opening valve pass through the parking reversal valve and second oil circuit
Connection；
Further include the switch valve for controlling the parking reversal valve.
2. there is the hydraulic gear-shifting system of parking control function as described in claim 1, it is characterised in that：The P, which is stopped, to be opened
Valve, the non-P gear opening valves and the parking reversal valve are mechanical valve；The opening end and the described 4th of the P gears opening valve
Solenoid valve C1_cv is connected；The opening end of the non-P gears opening valve is connected with the third solenoid valve B3_cv；The switch valve is
Solenoid valve, the output port of the switch valve are connected with the opening end of the parking reversal valve.
3. there is the hydraulic gear-shifting system of parking control function as described in claim 1, it is characterised in that：Further include the first system
Dynamic device B1 and the first solenoid valve B1_cv for controlling the first brake B1.
4. there is the hydraulic gear-shifting system of parking control function as claimed in claim 3, it is characterised in that：First solenoid valve
B1_cv, second solenoid valve B2_cv, third solenoid valve B3_cv, the 4th solenoid valve C1_cv and the 5th solenoid valve C2_cv include
Electromagnetic coil and valve body, the valve body are equipped with first and adjust port, the second adjusting port, normally opened port and overflow port, institute
It states under electromagnetic coil off-position, the second adjusting port is in opening, and described first, which adjusts port, is in closing shape
State, the electromagnetic coil are powered, and described first, which adjusts port and described second, adjusts port aperture size with the electromagnetic coil
Size of current adjustment, and then realize the different oil pressure output in normally opened port.
5. there is the hydraulic gear-shifting system of parking control function as claimed in claim 3, it is characterised in that：
The first adjusting port of the 5th solenoid valve C2_cv is connected with the working connection, and the second adjusting port connects back to oil pipe
Road, normally opened port are connected with the second clutch C2 and the non-P gears opening valve；
The second of the third solenoid valve B3_cv adjusts port and includes first port and second port, first port and the master
Oil communication, second port are connected with the first adjusting port of second solenoid valve B2_cv；First adjusting port connects back to oil pipe
Road, normally opened port are connected with the first brake B3 and the non-P gears opening valve；
The second adjusting port of the second solenoid valve B2_cv connects back to oil-piping；Normally opened port and the first brake B2
And the P gears opening valve connection；
The first adjusting port of the 4th solenoid valve C1_cv is connected with the working connection, and the second adjusting port connects back to oil pipe
Road, normally opened port are connected with the second clutch C1 and P gear opening valves；
The second adjusting port of the first solenoid valve B1_cv is connected with the working connection, and the first adjusting port connects back to oil pipe
Road, normally opened port are connected with the first brake B1.
6. the hydraulic gear-shifting system with parking control function as described in any one of claim 1 to 5, it is characterised in that：
The working connection is equipped with pressure maintaining valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721678099.6U CN207598898U (en) | 2017-12-06 | 2017-12-06 | Hydraulic gear-shifting system with parking control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721678099.6U CN207598898U (en) | 2017-12-06 | 2017-12-06 | Hydraulic gear-shifting system with parking control function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207598898U true CN207598898U (en) | 2018-07-10 |
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ID=62762823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721678099.6U Active CN207598898U (en) | 2017-12-06 | 2017-12-06 | Hydraulic gear-shifting system with parking control function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207598898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953337A (en) * | 2020-02-24 | 2020-04-03 | 盛瑞传动股份有限公司 | Parking control system, gearbox and car |
-
2017
- 2017-12-06 CN CN201721678099.6U patent/CN207598898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953337A (en) * | 2020-02-24 | 2020-04-03 | 盛瑞传动股份有限公司 | Parking control system, gearbox and car |
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