CN112648363A - Electric control automatic gear shifting hydraulic system of commercial vehicle gearbox - Google Patents
Electric control automatic gear shifting hydraulic system of commercial vehicle gearbox Download PDFInfo
- Publication number
- CN112648363A CN112648363A CN202011471911.4A CN202011471911A CN112648363A CN 112648363 A CN112648363 A CN 112648363A CN 202011471911 A CN202011471911 A CN 202011471911A CN 112648363 A CN112648363 A CN 112648363A
- Authority
- CN
- China
- Prior art keywords
- electromagnetic valve
- clutch control
- control
- valve group
- gear shifting
- 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.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0021—Generation or control of line pressure
- F16H61/0025—Supply of control fluid; Pumps therefore
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
- F16H61/0009—Hydraulic control units for transmission control, e.g. assembly of valve plates or valve units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0203—Control by fluid pressure with an accumulator; Details thereof
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0221—Valves for clutch control systems; Details thereof
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0257—Hydraulic circuit layouts, i.e. details of hydraulic circuit elements or the arrangement thereof
- F16D2048/0266—Actively controlled valves between pressure source and actuation cylinder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0021—Generation or control of line pressure
- F16H2061/0034—Accumulators for fluid pressure supply; Control thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses an electric control automatic gear shifting hydraulic system of a commercial vehicle gearbox, which comprises an oil storage tank, a gear pump, a one-way valve, an integrated block and an overflow valve which are sequentially connected, wherein the oil storage tank is also respectively connected with the integrated block and the overflow valve, the gear pump is connected with a direct current motor, the integrated block is connected with an energy accumulator and a high-pressure sensor, the integrated block is also connected with a clutch control oil inlet electromagnetic valve group and a gear shifting control battery valve group, the clutch control oil inlet electromagnetic valve group is connected with a clutch control integrated runner plate, the clutch control integrated runner plate is respectively connected with a clutch controller and a clutch control oil return electromagnetic valve group, the gear shifting control electromagnetic valve group is respectively connected with the clutch control oil inlet electromagnetic valve group and the clutch control oil return electromagnetic valve group, and the gear shifting control electromagnetic valve group is also connected with a gear shifting oil cylinder group. The invention has simple integral structure and convenient control, and can realize the control of different torques by selecting the two-position three-way high-speed electromagnetic valve with different diameters of the flow passage.
Description
The technical field is as follows:
the invention relates to the technical field of automobile gear shifting, in particular to an electric control automatic gear shifting hydraulic system of a commercial vehicle gearbox.
Background art:
the application of AMT in China on automobiles enters the production stage, in recent years, the safety of the country on running vehicles is concerned, users know the intelligent degree of the vehicles, particularly the pushing of the international giant heads on the automation of commercial vehicles, and the gear shifting operation of large and medium buses, medium and large trucks and trailers is promoted to be developed towards the automation control direction. Currently, there are three general AMT control modes: electric control and electric driving: on the basis of not changing the main structure of the original vehicle gearbox, an electric device controlled by a microcomputer is added to replace the original manual operation of the separation and the engagement of a clutch and the gear selection and the gear shifting actions of a speed changer, so that the automation of the whole gear shifting process is realized, the driving system is simple, the manufacturing cost is low, a vehicle power supply can be used for directly driving a motor, and the defects that the driving force is small, the requirement on the reliability of the motor of a torque reduction mechanism is high, and the control stability is poor are overcome; electric control pneumatic: on the basis of not changing the main structure of the original vehicle gearbox, by adding the pneumatic drive device controlled by the microcomputer, the pneumatic drive device has the advantages that a power source does not need to be additionally arranged, a sufficient air source of the whole vehicle can be utilized, a drive system is simple, the defects are obvious, the air pressure is lower, the volume of an actuating mechanism is large, air is difficult to control, the control precision is low, the cleaning of the air source is very troublesome, the air control device is easy to wear, the air is blocked due to card sending and air leakage, and the like, so that the air cylinder cannot work, and the; electrically controlled hydraulic driving; on the basis of not changing the main structure of the original vehicle gearbox, the microcomputer controlled electric control hydraulic device is added, so that the electric control hydraulic device is high in control precision, stable in action, large in driving force, high in reliability and stability, high in processing cost, complex in control system and relatively high in maintenance cost.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
The invention content is as follows:
the invention aims to provide an electric control automatic gear shifting hydraulic system of a commercial vehicle gearbox, so that the defects in the prior art are overcome.
In order to achieve the aim, the invention provides an electric control automatic gear shifting hydraulic system of a gearbox of a commercial vehicle, which comprises an oil storage tank, a gear pump, a one-way valve, an integrated block and an overflow valve which are connected in sequence, the oil storage tank is also respectively connected with the integrated block and the overflow valve, the gear pump is connected with a direct current motor, the integrated block is connected with an energy accumulator and a high-pressure sensor, the integrated block is also connected with a clutch control oil inlet electromagnetic valve bank and a gear-shifting control battery valve bank, the clutch control oil inlet electromagnetic valve set is connected with a clutch control integrated runner plate, the clutch control integrated runner plate is respectively connected with a clutch controller and a clutch control oil return electromagnetic valve set, the gear shifting control electromagnetic valve group is respectively connected with the clutch control oil inlet electromagnetic valve group and the clutch control oil return electromagnetic valve group, and the gear shifting control electromagnetic valve group is further connected with a gear shifting cylinder group.
The oil storage tank is also provided with a filter.
The clutch control oil inlet electromagnetic valve group comprises two-position three-way high-speed switch electromagnetic valves, the clutch control oil return electromagnetic valve group comprises three two-position three-way high-speed switch electromagnetic valves, the gear shift control electromagnetic valve group comprises eight two-position three-way high-speed switch electromagnetic valves, each two-position three-way high-speed switch electromagnetic valve is provided with a P port, an A port and a B port, the P port is connected with the B port during power on, and the P port is connected with the A port during power off.
Ports B of two-position three-way high-speed switching electromagnetic valves of the clutch control oil inlet electromagnetic valve group are connected to the integrated block, and ports P are connected to the clutch control integrated runner plate; the P ports of three two-position three-way high-speed switching electromagnetic valves of the clutch control oil return electromagnetic valve group and the A ports of eight two-position three-way high-speed switching electromagnetic valves of the gear shifting control electromagnetic valve group are converged and then connected to the integrated block, the B ports of two of the three ports are connected with the clutch control integrated runner plate, and the A port of the other port is connected with the clutch control integrated runner plate; the P ports of eight two-position three-way high-speed switching electromagnetic valves of the gear shifting control electromagnetic valve group are connected with the gear shifting cylinder group, and the B ports of the eight two-position three-way high-speed switching electromagnetic valves of the gear shifting control electromagnetic valve group are connected with the B ports of the integrated block and the two-position three-way high-speed switching electromagnetic valves of the clutch control oil inlet electromagnetic valve group.
The gear shifting oil cylinder group comprises four groups of oil cylinders, and each group of oil cylinders and two of eight two-position three-way high-speed switch electromagnetic valves in the gear shifting control electromagnetic valve group form a group.
The diameters of flow channels of P openings of three two-position three-way high-speed switching electromagnetic valves of the clutch control oil return electromagnetic valve group are respectively 3mm, 0.8mm and 1.5 mm.
Compared with the prior art, the invention has the following beneficial effects on one hand:
according to the invention, the gear pump is driven by the direct current motor to drive the hydraulic lubricating oil in the oil storage tank to the integrated block, then the hydraulic lubricating oil is supplied to the gear shifting oil cylinder by the integrated block, the gear shifting oil cylinder drives the gear shifting control electromagnetic valve group, and the clutch is further driven to control the oil inlet electromagnetic valve group to control the clutch controller; the whole structure is simple, and the control is convenient; and the control of different torques can be realized by selecting the two-position three-way high-speed electromagnetic valve with different diameters of the flow passage.
Description of the drawings:
FIG. 1 is a schematic diagram of an electrically controlled automatic shifting hydraulic system for a transmission of a commercial vehicle according to the present invention;
the reference signs are: 1-an oil storage tank, 2-a gear pump, 3-a one-way valve, 4-an integrated block, 5-an overflow valve, 6-a direct current motor, 7-an energy accumulator, 8-a high-pressure sensor, 9-a clutch control oil inlet electromagnetic valve set, 10-a shift control electromagnetic valve set, 11-a clutch control integrated runner plate, 12-a clutch controller, 13-a clutch control oil return electromagnetic valve set, 14-a shift oil cylinder set and 15-a filter.
The specific implementation mode is as follows:
the following detailed description of specific embodiments of the invention is provided, but it should be understood that the scope of the invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1, the electric control automatic gear shifting hydraulic system of the commercial vehicle gearbox comprises an oil storage tank 1, a gear pump 2, a one-way valve 3, an integrated block 4 and an overflow valve 5 which are connected in sequence, wherein the oil storage tank 1 is also connected with the integrated block 4 and the overflow valve 5 respectively, the gear pump 2 is connected with a direct current motor 6, the integrated block 4 is connected with an energy accumulator 7 and a high pressure sensor 8, the integrated block 4 is further connected with a clutch control oil inlet electromagnetic valve set 9 and a gear shifting control battery valve set 10, the clutch control oil inlet electromagnetic valve set 9 is connected with a clutch control integrated runner plate 11, the clutch control integrated runner plate 11 is connected with a clutch controller 12 and a clutch control oil return electromagnetic valve set 13 respectively, the gear shifting control electromagnetic valve set 10 is connected with the clutch control oil inlet electromagnetic valve set 9 and the clutch control oil return electromagnetic valve set 13 respectively, the gear shifting control solenoid valve group 10 is further connected with a gear shifting cylinder group 14.
Further, in order to improve the purity of the hydraulic oil, a filter 15 is further arranged on the oil storage tank 1.
The clutch control oil inlet solenoid valve group 9 comprises two-position three-way high-speed switch solenoid valves, the clutch control oil return solenoid valve group 13 comprises three two-position three-way high-speed switch solenoid valves, the gear shift control solenoid valve group 10 comprises eight two-position three-way high-speed switch solenoid valves, each two-position three-way high-speed switch solenoid valve is provided with a P port, an A port and a B port, the P port is communicated with the B port when the two-position three-way high-speed switch solenoid valves are powered on, and the P port is communicated with the A.
Ports B of two-position three-way high-speed switching electromagnetic valves of the clutch control oil inlet electromagnetic valve group 9 are connected to the integrated block 4, and ports P are connected to the clutch control integrated runner plate 11; the P ports of three two-position three-way high-speed switching electromagnetic valves of the clutch control oil return electromagnetic valve group 13 and the A ports of eight two-position three-way high-speed switching electromagnetic valves of the gear shifting control electromagnetic valve group 10 are converged and then connected to the integrated block 4, wherein the B ports of two of the three two ports are connected with the clutch control integrated runner plate 11, and the A port of the other one is connected with the clutch control integrated runner plate 11; the eight two-position three-way high-speed switching electromagnetic valves of the gear shifting control electromagnetic valve group 10 are respectively connected with a gear shifting cylinder group 14 through P ports, and are respectively connected with an integrated block 4 and two-position three-way high-speed switching electromagnetic valves of a clutch control oil inlet electromagnetic valve group 9 through B ports.
The gear shifting cylinder group 14 comprises four groups of cylinders, and each group of cylinders is combined with two of eight two-position three-way high-speed switching electromagnetic valves in the gear shifting control electromagnetic valve group 10.
Further, for controlling the flow and the flow speed of hydraulic oil during gear shifting and oil return, the diameters of the flow channels of the P ports of the three two-position three-way high-speed switching electromagnetic valves of the clutch control oil return electromagnetic valve group 13 are respectively 3mm, 0.8mm and 1.5 mm.
In the implementation, the direct current motor 6 drives the gear pump 2 to pressurize the hydraulic oil stored in the oil storage tank 1 to the one-way valve 3, the one-way valve 3 conveys the hydraulic oil to the manifold block 4, wherein the energy accumulator 7 is used for supplying power for the manifold block 4, the manifold block 4 is used for providing hydraulic pressure for the gear shifting control electromagnetic valve group 10, the gear shifting control electromagnetic valve group 10 further drives the clutch control oil inlet electromagnetic valve group 9 through the gear shifting cylinder group 14, and then the clutch controller 12 is controlled by the clutch control integrated runner plate 11, wherein the gear shifting cylinder group 14 comprises four groups of cylinders, each group of cylinders and two-position three-way high-speed switch electromagnetic valves in the gear shifting control electromagnetic valve group 10 form a group, the four groups of cylinders can respectively control four gear selection, the control of different gears can be realized by arranging the flow passage holes of four groups of four two-position three-way high-speed switch electromagnetic valves in the gear shifting control electromagnetic valve group 10; during oil return, the oil return electromagnetic valve group 13 can be controlled by the clutch to return to the integrated block 4 through the gear shift control electromagnetic valve group 10 and then return to the oil storage tank 1, meanwhile, the oil return electromagnetic valve group 10 can drive the clutch to control the oil inlet electromagnetic valve group 9 by the gear shift cylinder group 14 again, and then the clutch control integrated runner plate 11 is controlled by the clutch to further control the clutch controller 12, and as the diameters of runners of P ports of three two-position three-way high-speed switching electromagnetic valves of the oil return electromagnetic valve group 13 controlled by the clutch are different, the oil return electromagnetic valve group 10 is hydraulically different, so that the speed of the gear shift cylinder group 14 is controlled, and the automatic control of clutches with different torques can be adapted; because the integrated block 4 is connected with the high-pressure sensor 8, the high-pressure sensor 8 can monitor the working oil pressure of the whole system in real time, and when the oil pressure is too low, the direct-current motor 6 can be driven to drive the gear pump 2 to further pump out the hydraulic oil in the oil storage tank 3, so that the working oil pressure is improved; when the oil pressure is too high, the direct current motor 6 can be driven to stop running, and meanwhile, if the gear pump 2 is not controlled, hydraulic oil can also be decompressed to the oil storage tank 1 through the overflow valve 5, so that the safe running of a hydraulic system is ensured.
The invention has simple integral structure and convenient control; and the control of different torques can be realized by selecting the two-position three-way high-speed electromagnetic valve with different diameters of the flow passage.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (6)
1. Automatically controlled automatic gear shift hydraulic system of commercial car gearbox, its characterized in that: including batch oil tank, gear pump, check valve, manifold block and the overflow valve that connects gradually, the batch oil tank still is connected with manifold block and overflow valve respectively, be connected with DC motor on the gear pump, be connected with energy storage ware and high pressure sensor on the manifold block, the manifold block still is connected with clutch control solenoid valve and shift control battery valves, clutch control solenoid valve is connected with the integrated flow path board of clutch control, the integrated flow path board of clutch control is connected with clutch controller and clutch control return oil solenoid valve respectively, shift control solenoid valve connects clutch control solenoid valve and clutch control return oil solenoid valve respectively, shift control solenoid valve still is connected with the oil cylinder group of shifting.
2. The electronic control automatic gear shifting hydraulic system of the commercial vehicle gearbox is characterized in that: the oil storage tank is also provided with a filter.
3. The electronic control automatic gear shifting hydraulic system of the commercial vehicle gearbox is characterized in that: the clutch control oil inlet electromagnetic valve group comprises two-position three-way high-speed switch electromagnetic valves, the clutch control oil return electromagnetic valve group comprises three two-position three-way high-speed switch electromagnetic valves, the gear shift control electromagnetic valve group comprises eight two-position three-way high-speed switch electromagnetic valves, each two-position three-way high-speed switch electromagnetic valve is provided with a P port, an A port and a B port, the P port is connected with the B port during power on, and the P port is connected with the A port during power off.
4. The electrically controlled automatic shifting hydraulic system of a commercial vehicle transmission according to claim 3, characterized in that: ports B of two-position three-way high-speed switching electromagnetic valves of the clutch control oil inlet electromagnetic valve group are connected to the integrated block, and ports P are connected to the clutch control integrated runner plate; the P ports of three two-position three-way high-speed switching electromagnetic valves of the clutch control oil return electromagnetic valve group and the A ports of eight two-position three-way high-speed switching electromagnetic valves of the gear shifting control electromagnetic valve group are converged and then connected to the integrated block, the B ports of two of the three ports are connected with the clutch control integrated runner plate, and the A port of the other port is connected with the clutch control integrated runner plate; the P ports of eight two-position three-way high-speed switching electromagnetic valves of the gear shifting control electromagnetic valve group are connected with the gear shifting cylinder group, and the B ports of the eight two-position three-way high-speed switching electromagnetic valves of the gear shifting control electromagnetic valve group are connected with the B ports of the integrated block and the two-position three-way high-speed switching electromagnetic valves of the clutch control oil inlet electromagnetic valve group.
5. The electrically controlled automatic shifting hydraulic system of a commercial vehicle transmission according to claim 3, characterized in that: the gear shifting oil cylinder group comprises four groups of oil cylinders, and each group of oil cylinders and two of eight two-position three-way high-speed switch electromagnetic valves in the gear shifting control electromagnetic valve group form a group.
6. The electrically controlled automatic shifting hydraulic system of a commercial vehicle transmission according to claim 3, characterized in that: the diameters of flow channels of P openings of three two-position three-way high-speed switching electromagnetic valves of the clutch control oil return electromagnetic valve group are respectively 3mm, 0.8mm and 1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011471911.4A CN112648363B (en) | 2020-12-14 | 2020-12-14 | Electric control automatic gear shifting hydraulic system of commercial vehicle gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011471911.4A CN112648363B (en) | 2020-12-14 | 2020-12-14 | Electric control automatic gear shifting hydraulic system of commercial vehicle gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112648363A true CN112648363A (en) | 2021-04-13 |
| CN112648363B CN112648363B (en) | 2022-05-20 |
Family
ID=75353835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011471911.4A Active CN112648363B (en) | 2020-12-14 | 2020-12-14 | Electric control automatic gear shifting hydraulic system of commercial vehicle gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112648363B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2582930Y (en) * | 2002-11-28 | 2003-10-29 | 上海盈达信汽车电子有限公司 | Actuator for go-anywhere vehicle |
| CN101725705A (en) * | 2009-12-15 | 2010-06-09 | 重庆青山工业有限责任公司 | Double-clutch speed changer integrated control module |
| CN101975270A (en) * | 2010-11-04 | 2011-02-16 | 上海意昂汽车电子有限公司 | Electronic control hydraulic automatic gear shifting |
| WO2016134795A1 (en) * | 2015-02-27 | 2016-09-01 | Engineering Center Steyr Gmbh & Co Kg | Hydraulic circuit for actuating a hybrid transmission |
| CN108331791A (en) * | 2018-02-02 | 2018-07-27 | 安徽合力股份有限公司 | A kind of hydraulic system released without decompression valve type fork-lift truck stopping brake |
| CN211778275U (en) * | 2020-03-25 | 2020-10-27 | 北京汽车动力总成有限公司 | Hydraulic control system and hybrid electric vehicle with same |
-
2020
- 2020-12-14 CN CN202011471911.4A patent/CN112648363B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2582930Y (en) * | 2002-11-28 | 2003-10-29 | 上海盈达信汽车电子有限公司 | Actuator for go-anywhere vehicle |
| CN101725705A (en) * | 2009-12-15 | 2010-06-09 | 重庆青山工业有限责任公司 | Double-clutch speed changer integrated control module |
| CN101975270A (en) * | 2010-11-04 | 2011-02-16 | 上海意昂汽车电子有限公司 | Electronic control hydraulic automatic gear shifting |
| WO2016134795A1 (en) * | 2015-02-27 | 2016-09-01 | Engineering Center Steyr Gmbh & Co Kg | Hydraulic circuit for actuating a hybrid transmission |
| CN108331791A (en) * | 2018-02-02 | 2018-07-27 | 安徽合力股份有限公司 | A kind of hydraulic system released without decompression valve type fork-lift truck stopping brake |
| CN211778275U (en) * | 2020-03-25 | 2020-10-27 | 北京汽车动力总成有限公司 | Hydraulic control system and hybrid electric vehicle with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112648363B (en) | 2022-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101704337B (en) | Parallel-connection type hydraulic-electro hybrid power driving system | |
| CN102330759B (en) | Hydraulic system and hybrid power vehicle comprising same | |
| CA2591261C (en) | System for operating a hydraulically actuated device | |
| CN207584000U (en) | Energy-efficient hydraulic control system of automatic speed changer | |
| CN208153452U (en) | Hybrid-powered motor speed variator hydraulic control system | |
| CN201506246U (en) | Series-parallel hydraulic hybrid vehicle | |
| CN104859424B (en) | Hydraulic auxiliary drive system by adopting wheel hub motors | |
| CN105864424A (en) | Double-clutch transmission hydraulic control system | |
| CN112112955A (en) | Hydraulic control system and hybrid transmission case | |
| CN112112956A (en) | Hydraulic control system of gearbox | |
| CN102616125B (en) | A kind of system and method that hydraulic energy-accumulation hybrid power is provided | |
| CN112648363B (en) | Electric control automatic gear shifting hydraulic system of commercial vehicle gearbox | |
| CN201857568U (en) | Device for conventional running control of milling machine and emergency control of trailer | |
| CN102155530B (en) | Three-gear magnetic particle type double-clutch speed changer for hybrid power | |
| CN102910063B (en) | A kind of hybrid vehicle Hydraulic system and control method | |
| CN102913614A (en) | Hydraulic control system of automatic gearshift automobile transmission | |
| CN113108049B (en) | Electro-hydraulic limping control oil way and method for hybrid transmission | |
| CN101936387B (en) | Hydraulic control system of automatic dual-clutch transmission | |
| CN204659440U (en) | Hydraulic hub motor assistant drive system | |
| CN202812168U (en) | Hydraulic control device of six-speed automatic transmission | |
| CN114135595A (en) | Hydraulic control oil way of rear-drive transmission | |
| CN203412835U (en) | Limp-home oil way system of continuously variable transmission with wet clutch | |
| CN108458060B (en) | Novel automatic electromagnetic stepless speed changer for automobile | |
| CN212407535U (en) | Tractor electrohydraulic control gearshift | |
| CN220168547U (en) | Gear shifting system and tractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |