CN109578578A - Oil piping system without clutch gearbox and without clutch gearbox - Google Patents
Oil piping system without clutch gearbox and without clutch gearbox Download PDFInfo
- Publication number
- CN109578578A CN109578578A CN201710912482.1A CN201710912482A CN109578578A CN 109578578 A CN109578578 A CN 109578578A CN 201710912482 A CN201710912482 A CN 201710912482A CN 109578578 A CN109578578 A CN 109578578A
- Authority
- CN
- China
- Prior art keywords
- oil
- shift fork
- piping system
- feeding line
- clutch gearbox
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/24—Final output mechanisms therefor; Actuating means for the final output mechanisms each of the final output mechanisms being moved by only one of the various final actuating mechanisms
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/3023—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by fluid pressure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses a kind of oil piping system of no clutch gearbox and without clutch gearbox, the oil piping system of no clutch gearbox includes: oil feeding line, multiple shift fork oil circuits, multiple oil circuit open and close valves, multiple shift fork Mobile control valves and multiple shift forks, multiple shift fork oil circuits are connected with oil feeding line, multiple shift fork oil circuits are arranged in parallel, multiple oil circuit open and close valves and multiple shift fork oil circuits correspond, multiple shift fork Mobile control valves and multiple shift fork oil circuits correspond, multiple shift forks are corresponded with multiple shift fork Mobile control valves respectively, each shift fork Mobile control valve is correspondingly connected with the both ends of shift fork and controls the shift position of shift fork.As a result, by oil feeding line, multiple shift fork oil circuits, multiple oil circuit open and close valves, multiple shift fork Mobile control valves and the cooperation of multiple shift forks, it can be improved vehicle shift quality, also can be improved the reliability of vehicle drive, additionally it is possible to reduce the influence to gearbox life.
Description
Technical field
The present invention relates to technical field of vehicle, in particular to the oil piping system of a kind of no clutch gearbox and have the nothing
The oil piping system of clutch gearbox without clutch gearbox.
Background technique
In the related technology, in order to allow vehicle to adapt to more operating conditions, meet the torque demand under different condition, to guarantee
Truck dynamic property, reduces output power of motor, and all most of electric trucks still have gearbox designs system, speed change system one
As include pressure sensor, hydraulic pump, the components such as regulating valve composition automatic gear-box.Existing automatic gear-box generally comprise from
Structure is closed, this kind of gearbox oil circuit in shift needs to control clutch separation and combination, while being also required to control gear shifting structure
Carry out gear switching.
Also, the automatic gear-box oil circuit containing clutch structure is complicated, and oil circuit pressure Acquisition Error is big, and this kind of gearbox is in oil
When pressure is insufficient or oil pressure sensor failure, clutch structure is caused not separate normally, can not normal control gearshift put into gear
It is kept off with moving back, causes vehicle can not normally travel.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention mentions
A kind of oil piping system of no clutch gearbox, the oil piping system without clutch gearbox can be improved vehicle shift quality out,
It can be improved the reliability of vehicle drive.
The present invention further proposes a kind of no clutch gearbox.
The oil piping system of no clutch gearbox according to the present invention includes: oil feeding line, multiple shift fork oil circuits, multiple oil circuits
Open and close valve, multiple shift fork Mobile control valves and multiple shift forks, multiple shift fork oil circuits are connected with the oil feeding line, Duo Gesuo
It states shift fork oil circuit to be arranged in parallel, multiple oil circuit open and close valves and multiple shift fork oil circuits correspond, multiple shift forks
Mobile control valve and multiple shift fork oil circuits correspond, multiple shift forks respectively with multiple shift fork Mobile control valves
It corresponds, each shift fork Mobile control valve is correspondingly connected with the mobile position at the both ends of the shift fork and the control shift fork
It sets.
The oil piping system of no clutch gearbox according to the present invention passes through oil feeding line, multiple shift fork oil circuits, multiple oil circuits
Open and close valve, multiple shift fork Mobile control valves and the cooperation of multiple shift forks, can be improved vehicle shift quality, also can be improved vehicle and drive
The reliability sailed, additionally it is possible to reduce the influence to gearbox life.
Optionally, on each shift fork oil circuit, the oil circuit open and close valve is located at the upper of the shift fork Mobile control valve
Trip.
Further, the oil piping system of the no clutch gearbox further include: oil pressure sensor, the oil pressure sensor
It is arranged on the oil feeding line.
Specifically, the oil piping system of the no clutch gearbox further include: oil pump, the oil pump and the oil feeding line
It is connected and when the oil pressure sensor detects that the pressure of the oil feeding line is less than the minimum value for oil pressure of shifting gears to the confession
Oil circuit fuel feeding.
Optionally, check valve is provided on the oil feeding line, the check valve allows the oil pump to the fuel feeding oil
The unidirectional fuel feeding in road.
Further, safety valve is additionally provided on the oil feeding line.
Specifically, the shift fork is that two gears share shift fork.
Optionally, the oil circuit open and close valve and the shift fork Mobile control valve are solenoid valve.
Further, the oil piping system of the no clutch gearbox further include: pressurizer, the pressurizer and institute
Oil feeding line is stated to be connected.
No clutch gearbox according to the present invention, the oil piping system including above-mentioned no clutch gearbox.
Detailed description of the invention
Fig. 1 is the schematic diagram of oil piping system according to an embodiment of the present invention.
Appended drawing reference:
Oil piping system 10；
Oil feeding line 1；Shift fork oil circuit 2；Oil circuit open and close valve 3；Shift fork Mobile control valve 4；Shift fork 5；Oil pressure sensor 6；Oil
Pump 7；Check valve 8；Safety valve 9；Pressurizer 91.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The oil piping system 10 of no clutch gearbox according to an embodiment of the present invention is described in detail below with reference to Fig. 1.
As shown in Figure 1, oil piping system 10 according to an embodiment of the present invention include: oil feeding line 1, it is multiple shift fork oil circuits 2, more
A oil circuit open and close valve 3, multiple shift fork Mobile control valves 4 and multiple shift forks 5, oil feeding line 1 have the function of fuel feeding, multiple shift forks
Oil circuit 2 is connected with oil feeding line 1, and oil can be supplied multiple shift fork oil circuits 2 by oil feeding line 1, moreover, multiple shift fork oil circuits 2 are simultaneously
Connection setting, can play the role of in this way to the oil circuit in oil piping system 10 it is simplified, so as to reduce the oil in oil piping system 10
Road complexity.
Multiple oil circuit open and close valves 3 are corresponded with multiple shift fork oil circuits 2, that is to say, that are arranged one on a shift fork oil circuit 2
A oil circuit open and close valve 3, oil circuit open and close valve 3 can control it is set shift fork oil circuit 2 be opened and closed, when oil circuit open and close valve 3 is opened,
Oil circuit open and close valve 3 it is set shift fork oil circuit 2 in oil mass increase, oil circuit open and close valve 3 can be made set shift fork oil circuit 2
Interior pressure increases, to play in supercharging effect.
In addition, multiple shift fork Mobile control valves 4 are corresponded with multiple shift fork oil circuits 2, that is to say, that a shift fork oil circuit
One shift fork Mobile control valve 4 is set on 2, multiple shift forks 5 are corresponded with multiple shift fork Mobile control valves 4 respectively, in other words,
On one shift fork oil circuit 2, while it being provided with 3, shift fork Mobile control valves 4 of an oil circuit open and close valve and a shift fork 5, each
Shift fork Mobile control valve 4 is correspondingly connected with the both ends of shift fork 5, moreover, shift fork Mobile control valve 4 can control the mobile position of shift fork 5
It sets, when shift, the oil circuit open and close valve 3 and shift fork Mobile control valve 4 for controlling target oil circuit are opened, and shift fork Mobile control valve 4 can
It is mobile to target gear to make shift fork 5, also, according to 5 position of shift fork, oil piping system 10 can adjust shift fork Mobile control valve 4 in real time
Aperture can guarantee 5 movement speed of shift fork, so as to and then vehicle shift quality can be improved so that shift is more smooth.
Wherein, judge whether 1 oil pressure value of oil feeding line is greater than minimum oil pressure needed for shift when shift, if it is greater than minimum oil
Pressure then closes current oil circuit open and close valve 3, while by the mobile current shift shift fork 5 of shift fork Mobile control valve 4 to middle position, simultaneously
Open target oil circuit open and close valve 3 and shift fork Mobile control valve 4, make shift fork 5 mobile to target gear, and according to 5 position of shift fork and
Adjustment 4 aperture of shift fork Mobile control valve in real time.
Optionally, as shown in Figure 1, on each shift fork oil circuit 2, oil circuit open and close valve 3 is located at the upper of shift fork Mobile control valve 4
Trip opens oil circuit open and close valve 3 when needing shift fork Mobile control valve 4 to control the movement of shift fork 5, becomes pressure in shift fork oil circuit 2
Greatly, shift fork Mobile control valve 4 can be made to control, and shift fork 5 is mobile, and setting in this way can control the progress of shift fork Mobile control valve 4 at any time
Work, and then can be further improved the functional reliability of oil piping system 10.
Further, as shown in Figure 1, oil piping system 10 can also include: oil pressure sensor 6, the setting of oil pressure sensor 6 exists
On oil feeding line 1, oil pressure sensor 6 have the function of detect oil circuit oil pressure 5 position of size and shift fork, can real-time detection arrive
The position of oil pressure information and shift fork 5 in oil feeding line 1 also can judge which road binders road open and close valve 3 opened according to vehicle speed condition,
Then make shift fork Mobile control valve 4 control the movement of shift fork 5 to shift gears, so as to improve the working performance of oil piping system 10.
Specifically, as shown in Figure 1, road system can also include: oil pump 7, oil pump 7 is connected with oil feeding line 1, moreover,
When oil pressure sensor 6 detects that the pressure of oil feeding line 1 is less than the minimum value of shift oil pressure, oil pump 7 can be supplied to oil feeding line 1
Oil increases pressure in oil feeding line 1, thereby may be ensured that vehicle shift progress working properly.
If current 1 oil pressure of oil feeding line is unsatisfactory for required oil pressure of shifting gears, but current vehicle speed has reached shifting points speed, this
When oil pressure sensor 6 control current shift oil circuit open and close valve 3 maintain the original state, and control oil pump 7 work, until oil feeding line
When 1 oil pressure is greater than minimum oil pressure needed for shift, shift process is just normally entered.In addition, when oil piping system 10 breaks down, example
Such as: when a certain oil circuit is unable to normal control, vehicle can continue to travel in current shift, can guarantee to reach in vehicle maintenace point or
Person goes home, and so as to reduce the occurrence of vehicle casts anchor, and then the reliability of vehicle drive can be improved.Meanwhile the nothing
The problems such as clutch gearbox is not provided with clutch, and shift shock abnormal sound is generated when can be avoided shift, so as to reduce pair
The influence of gearbox life.
Optionally, as shown in Figure 1, being provided with check valve 8 on oil feeding line 1, check valve 8 allows oil pump 7 to oil feeding line 1
Unidirectional fuel feeding, that is to say, that 8, the check valve oil allowed in oil feeding line 1 flow to the right, can prevent oil feeding line 1 in this way
Interior oil moves downward, and so as to prevent oil pressure in oil feeding line 1 from reducing, and then can guarantee that vehicle is effectively shifted gears.
Further, as shown in Figure 1, being additionally provided with safety valve 9 on oil feeding line 1, safety valve 9 has the function of pressure release,
When oil pressure is excessive in oil feeding line 1,9 are opened the safety-valve, oil pressure in oil feeding line 1 can be made to reduce, when oily in oil feeding line 1
When pressure is reduced to normal operating conditions, closed safe valve 9, in this way setting can guarantee that oil piping system 10 works normally, so as to
To promote the work safety of oil piping system 10.
Specifically, shift fork 5 is set as two gears and shares shift fork 5, and the switching of two gears, such as Fig. 1 may be implemented in a shift fork 5
Shown, altogether there are two shift fork 5, a shift fork 5 is responsible for hanging a gear and four gears, another is responsible for hanging second gear and three gears, when shift fork 5 to
It is left or when moving right, two different gears can be hung up, setting in this way can reduce the quantity that shift fork 5 is arranged, thus
Oil piping system 10 can be made to simplify the structure.
Optionally, oil circuit open and close valve 3 and shift fork Mobile control valve 4 are disposed as solenoid valve, the control precision of solenoid valve and
Flexibility is high, so as to promote control precision and flexibility when oil piping system 10 works.
Further, as shown in Figure 1, oil piping system 10 can also include: pressurizer 91, pressurizer 91 and fuel feeding oil
Road 1 is connected, and pressurizer 91 has the function of oil pressure in holding oil feeding line 1, is able to maintain in oil feeding line 1 oil pressure normal
Working condition, so as to further promote the functional reliability of oil piping system 10.
No clutch gearbox according to an embodiment of the present invention, the oil piping system 10 including above-described embodiment, oil piping system 10
Setting is mounted on no clutch gearbox, which can be improved vehicle shift quality, also be can be improved no clutch and is become
The functional reliability of fast case.
Learnt about in detail below according to Fig. 1 the embodiment of the present invention oil piping system 10 be how specific works.
For example, acquiring 1 oil pressure pressure value of oil feeding line, oil pressure sensor 6 by oil pressure sensor 6 when hanging 2 gear by 1 gear
Judge whether current pressure is greater than the required minimum pressure of shift, if the oil pressure pressure of oil feeding line 1 is greater than shift pressure setting
Value, the shift fork Mobile control valve 4 that oil pressure sensor 6 controls current shift are opened, and the shift fork Mobile control valve 4 of current shift is passed through
C-terminal pressure release, so that one, four gear shift forks 5 is fallen back on middle position from a gear, and judged whether to move back gear in place according to 5 position signal of shift fork,
Then the oil circuit open and close valve 3 and shift fork Mobile control valve 4 for controlling target gear are opened, and the mobile control of the shift fork of target gear is passed through
The end B of valve 4 pressurizes to two, three gear shift forks 5, so that the movement of shift fork 5 is hung up second gear, finally completes shift work.
In addition, acquiring oil pressure pressure value, oil pressure sensor by the oil pressure sensor 6 of oil feeding line 1 when moving back 1 gear by 2 gears
6 judge whether current pressure is greater than the required minimum pressure of shift, if the oil pressure pressure of oil feeding line 1 is greater than shift pressure setting
Value, oil pressure sensor 6 control current shift oil circuit open and close valve 3 and shift fork Mobile control valve 4 close, make two, three gear shift forks 5 from
Two gears fall back on middle position, and are judged whether to move back gear in place according to 5 position signal of shift fork, and the valve oil road for then controlling target gear is opened
Valve closing 3 and shift fork Mobile control valve 4 are opened, and are added by the end D of the shift fork Mobile control valve 4 of target gear to one, four gear shift forks 5
Pressure keeps shift fork 5 mobile to a gear, completes second gear and moves back a gear job.Wherein, one, four gear shift forks 5, which are moved to the left, can hang one
Gear, move right four gear of extension.Two, three gear shift forks 5 are moved to the left extension second gear, and move right three gear of extension.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of oil piping system of no clutch gearbox characterized by comprising
Oil feeding line；
Multiple shift fork oil circuits, multiple shift fork oil circuits are connected with the oil feeding line, and multiple shift fork oil circuits are arranged in parallel；
Multiple oil circuit open and close valves, multiple oil circuit open and close valves and multiple shift fork oil circuits correspond；
Multiple shift fork Mobile control valves, multiple shift fork Mobile control valves and multiple shift fork oil circuits correspond；
Multiple shift forks, multiple shift forks are corresponded with multiple shift fork Mobile control valves respectively, and each shift fork moves
Dynamic control valve is correspondingly connected with the shift position at the both ends of the shift fork and the control shift fork.
2. the oil piping system of no clutch gearbox according to claim 1, which is characterized in that in each shift fork oil circuit
On, the oil circuit open and close valve is located at the upstream of the shift fork Mobile control valve.
3. the oil piping system of no clutch gearbox according to claim 1, which is characterized in that further include: oil pressure sensor,
The oil pressure sensor is arranged on the oil feeding line.
4. the oil piping system of no clutch gearbox according to claim 4, which is characterized in that further include: oil pump, the oil
Pump is connected with the oil feeding line and detects that the pressure of the oil feeding line is less than shift oil pressure in the oil pressure sensor
To the oil feeding line fuel feeding when minimum value.
5. the oil piping system of no clutch gearbox according to claim 4, which is characterized in that be arranged on the oil feeding line
There is check valve, the check valve allows the oil pump to the unidirectional fuel feeding of the oil feeding line.
6. the oil piping system of no clutch gearbox according to claim 1, which is characterized in that also set on the oil feeding line
It is equipped with safety valve.
7. the oil piping system of no clutch gearbox according to claim 1, which is characterized in that the shift fork is that two gears share
Shift fork.
8. the oil piping system of no clutch gearbox according to claim 1, which is characterized in that the oil circuit open and close valve and institute
Stating shift fork Mobile control valve is solenoid valve.
9. the oil piping system of no clutch gearbox according to claim 1, which is characterized in that further include: pressurizer, institute
Pressurizer is stated to be connected with the oil feeding line.
10. a kind of no clutch gearbox, which is characterized in that become including no clutch according to claim 1 to 9
The oil piping system of fast case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710912482.1A CN109578578A (en) | 2017-09-29 | 2017-09-29 | Oil piping system without clutch gearbox and without clutch gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710912482.1A CN109578578A (en) | 2017-09-29 | 2017-09-29 | Oil piping system without clutch gearbox and without clutch gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109578578A true CN109578578A (en) | 2019-04-05 |
Family
ID=65919187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710912482.1A Pending CN109578578A (en) | 2017-09-29 | 2017-09-29 | Oil piping system without clutch gearbox and without clutch gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578578A (en) |
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| CN1821629A (en) * | 2006-03-24 | 2006-08-23 | 哈尔滨工业大学 | Automatic gear shifting and lubricating device for wheel and axle loading test table |
| KR20090058301A (en) * | 2007-12-04 | 2009-06-09 | 울산대학교 산학협력단 | Hydroststic transmission for multipurpose vehicle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20190405 |