CN102943864A - Automated mechanical transmission for passenger car - Google Patents
Automated mechanical transmission for passenger car Download PDFInfo
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- CN102943864A CN102943864A CN2012104228554A CN201210422855A CN102943864A CN 102943864 A CN102943864 A CN 102943864A CN 2012104228554 A CN2012104228554 A CN 2012104228554A CN 201210422855 A CN201210422855 A CN 201210422855A CN 102943864 A CN102943864 A CN 102943864A
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Abstract
The invention provides an automated mechanical transmission for a passenger car, which comprises a main case and an auxiliary case, wherein the main case includes a one-shaft assembly, two sets of main case intermediate shaft assemblies, a two-shaft assembly and a driving wheel assembly; the auxiliary case includes an output shaft assembly and two sets of auxiliary case intermediate shaft assemblies which are arranged on two sides of the output shaft assembly in parallel; the automated mechanical transmission for the passenger car further comprises gear shift execution mechanisms, a brake assembly, a brake electromagnetic valve, an auxiliary case cylinder assembly, an auxiliary case cylinder electromagnetic valve, an input shaft rotating speed sensor and an output shaft rotating speed sensor; the gear shift execution mechanisms, the brake assembly and the auxiliary case cylinder assembly are connected with a gas source of the whole car; and the input shaft rotating speed sensor, the output shaft rotating speed sensor, the gear shift execution mechanisms, the brake electromagnetic valve and the auxiliary case cylinder electromagnetic valve are connected with an electric control unit of the transmission. The gear shift execution mechanisms of the main case and the auxiliary case of the transmission assembly provided by the invention both adopt electric control gas driving structures, so that the gas source of the passenger car is fully utilized, the cost increment is reduced and the system reliability can be improved at the same time.
Description
[technical field]
The present invention relates to the automobile gearbox technical field, particularly a kind of passenger vehicle electric control mechanical type automatic speed variator.
[background technique]
Current automotive transmission is of a great variety, but mainly is divided into manual transmission and automatic transmission two large classes.Although manual transmission is simple in structure, price is relatively low, and driver's riding manipulation labor intensity is large, easily causes fatigue driving, affects driving safety.Automatic transmission is simplified driving operation, can improve driving safety, also eliminate simultaneously the difference that the varying level driver caused fuel economy, power character, emission performance and the transmission system life-span of vehicle, therefore current automobile market has been had very urgent demand to automatic transmission.Present domestic speed coach transmission consists essentially of manual transmission and hydraulic automatic speed variator (AT), and wherein the overwhelming majority is manual transmission, and the hydraulic automatic speed variator of domestic passenger vehicle equipment all is external product.External hydraulic automatic speed variator product price is high, and maintenance cost is high, is not suitable for extensively promoting at home.
Electric control mechanical type automatic speed variator (AMT) technology is an important development direction of automatic transmission.From equipment situation and the development trend of European passenger vehicle automatic transmission, the advantage that AMT is simple in structure with it in various forms of automatic transmission, efficient is high, cost performance is high and taking advantage, abroad entrucking rate improves gradually, and Europe surpasses 40%.Because AMT realizes the automaitc shfit function by integrated shift control system and ECU (Electrical Control Unit) on the basis of manual transmission, so for China speed changer manufacturing enterprise, have good production inheritance, be fit to China's national situation, market prospects are wide.The exploitation of passenger vehicle AMT is accelerated the development of China's passenger vehicle automatic transmission to advancing the progress of China's automotive engineering, strengthens the international competitiveness of China's passenger vehicle product, has very large influence power.Therefore, be necessary in fact to research and develop a kind of electric control mechanical type automatic speed variator that can satisfy domestic passenger vehicle use.
[summary of the invention]
The purpose of this invention is to provide a kind of passenger vehicle electric control mechanical type automatic speed variator.
To achieve these goals, the present invention adopts following technological scheme:
A kind of passenger vehicle electric control mechanical type automatic speed variator, comprise main tank and odd-side, main tank comprises an axle assembly, two cover main tank countershaft assemblys, two axle assemblies and driving wheel assembly, and two cover main tank countershaft assemblys are arranged in parallel in two axle assembly both sides, and the driving wheel assembly is installed on two axle assembly rear ends; Odd-side comprises the output shaft assembly and is arranged in parallel in two cover odd-side countershaft assemblys of output shaft assembly both sides, and the end of output shaft assembly is fixed with output flange.
The present invention further improves and is: the odd-side right-hand member is equipped with parallel hydraulic retarder, and the output shaft assembly comprises the retarder driven gear that is installed on the output shaft; The retarder driving gear of parallel hydraulic retarder and the engagement of described retarder driven gear.
The present invention further improves and is: two axle assemblies comprise three sliding sleeves that are used for switching gear; The output shaft assembly comprises for the auxiliary box synchronizer that switches the high and low gear of odd-side.
The present invention further improves and is: described passenger vehicle electric control mechanical type automatic speed variator also comprises gear-shifting actuating mechanism, brake assembly, break solenoid valve, odd-side cylinder assembly, odd-side cylinder solenoid valve, input shaft rotating speed sensor and OSS; Gear-shifting actuating mechanism, brake assembly and odd-side cylinder assembly connect the car load source of the gas.
The present invention further improves and is: described input shaft rotating speed sensor, OSS, gear-shifting actuating mechanism, break solenoid valve are connected the speed changer ECU (Electrical Control Unit) with the odd-side cylinder solenoid valve.
The present invention further improves and is: all gears on an axle assembly, main tank countershaft assembly, two axle assemblies, driving wheel assembly, output shaft assembly and the odd-side countershaft assembly are fine-high-gear structure.
The present invention further improves and is: described passenger vehicle electric control mechanical type automatic speed variator also comprises the electro-pneumatic clutch control system.
The present invention further improves and is: described passenger vehicle electric control mechanical type automatic speed variator comprises ten gears that advance; The differential average out to 1.28 of speed ratio between gear; Each grade of forward gears speed ratio is respectively 7.45,5.79,4.52,3.53,2.75,2.11,1.64,1.28,1.00,0.78, and reverse gear ratio is 7.54.
With respect to prior art, the present invention has the following advantages:
1) for the few shortcoming of traditional speed coach transmission gear, transmission assembly of the present invention has ten gears that advance, the differential average out to 1.28 of the speed ratio between gear; Each grade of forward gears speed ratio is respectively 7.45,5.79,4.52,3.53,2.75,2.11,1.64,1.28,1.00,0.78, and reverse gear ratio is 7.54; The configuration of above-mentioned speed ratio can guarantee better that actual gearshift curve levels off to theoretical the best curve of shifting gears more, allows motor remain under the economic speed and moves, thereby reach the target of energy-saving and emission-reduction; Simultaneously the speed ratio extreme difference of transmission assembly of the present invention can also reduce and starts machine speed poor between gear shift, improves the gear shift smoothness, satisfies the requirement of passenger vehicle gear shift travelling comfort.
2) in order to improve vehicle safety, satisfy the needs in current high-grade bus market, transmission assembly of the present invention has the mounting interface of parallel hydraulic retarder, but the integrated parallel-type hydrodynamic retarder is on the speed changer bonnet; Adopt parallel retarder can shorten the overall length of speed changer, improve the level of integration of speed changer and retarder, the little problem of engine at extreme rear speed changer installing space of solution passenger vehicle; When vehicle need to be braked, can brake by retarder, vehicle energy is converted into heat energy, alleviate the wheel drag load, improve because of the overheated brake inefficacy that causes of braking, improve driving safety.
3) the specified input torque of transmission assembly of the present invention is 2000N.m, to adapt to the requirement of high-grade bus high-powered engine, has improved the power character of vehicle.
4) in order to satisfy speed coach transmission to the requirement of noise, transmission stability aspect, all gears of transmission assembly of the present invention all adopt thin and tall tooth, improve transmission stability, reduce noise, improve riding comfort.
5) main tank of transmission assembly of the present invention adopts the sliding sleeve gear shift without synchronizer.Regulate speed changer one axle rotating speed by vehicle bus and speed changer brake in the shift process, control active and passive gear synchronization is finished the gear conversion.Speed changer main tank employing shift sleeve structure both had been suitable for the needs of passenger vehicle AMT speed changer, had significantly reduced again the expensive cost of synchronizer, the life-span that can also improve speed changer simultaneously.
6) the major and minor gearbox gear-shifting actuating mechanism of transmission assembly of the present invention all adopts automatically controlled gas drive to move structure, takes full advantage of the passenger vehicle source of the gas, and the increase of Cost reduction can improve system reliability simultaneously.
7) transmission assembly of the present invention adopts the electro-pneumatic clutch control system, takes full advantage of source of the gas and the large characteristics of passenger car clutch Separating force of passenger vehicle.
8) transmission assembly of the present invention adopts CAN bus communication technology and transmission input shaft Speed Braking technology; Characteristics based on existing electric-control motor realize fast, accurately control of engine speed and synchronization control by CAN bus communication technology and transmission input shaft braking device.
[description of drawings]
Fig. 1 is structural representation of the present invention;
Fig. 2 is outline drawing of the present invention;
Fig. 3 is the schematic diagram of odd-side countershaft assembly;
Fig. 4 is the schematic diagram of electro-pneumatic clutch control system.
[embodiment]
Below in conjunction with accompanying drawing the present invention is done and to describe in further detail.
See also Fig. 1 to shown in Figure 4, a kind of passenger vehicle electric control mechanical type automatic speed variator of the present invention selects the separation of gear shift, clutch all to be controlled by speed changer ECU (Electrical Control Unit) TCU in conjunction with action.Connect by wire harness 24 TCU is carried out electrical signal and is connected, the transmission of realization electrical signal with sensor (input shaft rotating speed sensor 25 and OSS 23), actuator's (gear-shifting actuating mechanism 15), solenoid valve (break solenoid valve 20, odd-side cylinder solenoid valve 13) on the transmission assembly of the present invention.The power source of the operating mechanism in the transmission assembly of the present invention is source of the gas, from the source of the gas of car load through air filtering regulator 21 filter, pressure regulation, then be delivered to each actuator by air pipe 22.
Transmission assembly of the present invention adopts major-minor case structure, main tank comprises an axle assembly 1, two cover main tank countershaft assemblys 2, two axle assemblies 3 and driving wheel assembly 7, two cover main tank countershaft assemblys 2 are arranged in parallel in two axle assemblies, 3 both sides, and driving wheel assembly 7 is installed on two axle assemblies, 3 rear ends; Power from motor is delivered on the two cover main tank countershaft assemblys 2 through an axle assembly 1, is delivered on two axle assemblies 3 by main tank countershaft assembly 2 again, and the power of final main tank is passed to odd-side by driving wheel assembly 7; Odd-side comprises two cover odd-side countershaft assembly 19 and output shaft assemblies 12, power from main tank is passed to odd-side countershaft assembly 19 through driving wheel assembly 7, then be delivered on the output shaft assembly 12 by odd-side countershaft assembly 19, pass to the transmission shaft of vehicle finally by the output flange 10 that is fixedly connected with output shaft assembly 12.
In order to improve bearing capacity, the main tank of transmission assembly of the present invention and odd-side all adopt two intermediate shaft structures, are respectively two cover main tank countershaft assemblys 2 and two cover odd-side countershaft assemblys 19.
When parallel hydraulic retarder is installed, only need to pull down bonnet cover plate 9, retarder interface in parallel is connected on the bolt of former bonnet cover plate 9, thereby retarder driven gear 11 and retarder driving gear are meshed.Kinetic energy from wheel passes to speed changer output flange 10 through transmission shaft, and warp is passed to the retarder driving gear with the retarder driven gear 11 that output shaft assembly 12 connects firmly again.Braking force from retarder when vehicle need to be braked is delivered on the wheel through retarder driven gear 11, output shaft assembly 12, output flange 10 and transmission shaft, brakes.
The main tank of transmission assembly of the present invention is realized the switching of the different gears of main tank without synchronizer by three sliding sleeves 5 on two axle assemblies 3.The odd-side of transmission assembly of the present invention is synchronizer shift, realizes the switching of the high and low shelves of odd-side by auxiliary box synchronizer 6.
The control system of transmission assembly of the present invention comprises gear-shifting actuating mechanism 15, brake assembly 14, break solenoid valve 20, odd-side cylinder assembly 8, odd-side cylinder solenoid valve 13, input shaft rotating speed sensor 25 and OSS 23.The power source of gear-shifting actuating mechanism 15, brake assembly 14 and odd-side cylinder assembly 8 all comes from the car load source of the gas.By the shifting fork structure on the upper cap assembly 4 of gear-shifting actuating mechanism 15 controls, the motion of three sliding sleeves 5 of control main tank realizes the switching of each gear of main tank.By the control to odd-side cylinder solenoid valve 13, realize the control to the synchronizer shift shift fork of odd-side cylinder assembly 8, thereby finish the switching of the high and low shelves of odd-side.By the control to break solenoid valve 20, so that brake assembly 14 is braked reduction of speed, synchronous to jack shaft when gearbox is hung starting gear and upgraded, accelerate shift time.
Transmission assembly of the present invention is as the AMT speed changer, the manipulation of clutch also no longer realizes by the driver, but separation and the combination of the electro-pneumatic clutch control system solenoidoperated cluthes that consist of by clutch separation bracket assembly 16, the adjustable push rod assembly 17 of clutch, clutch actuating mechanism 18; Realize the clutch operating in vehicle start, gear shift, the docking process.
Claims (8)
1. passenger vehicle electric control mechanical type automatic speed variator, it is characterized in that, comprise main tank and odd-side, main tank comprises an axle assembly (1), two cover main tank countershaft assembly (2), two axle assemblies (3) and driving wheel assemblies (7), two cover main tank countershaft assemblys (2) are arranged in parallel in two axle assemblies (3) both sides, and driving wheel assembly (7) is installed on two axle assemblies (3) rear end; Odd-side comprise output shaft assembly (12) and be arranged in parallel in output shaft assembly (12) both sides two the cover odd-side countershaft assemblys (19), the end of output shaft assembly (12) is fixed with output flange (10).
2. a kind of passenger vehicle electric control mechanical type automatic speed variator according to claim 1 is characterized in that, the odd-side right-hand member is equipped with parallel hydraulic retarder, and output shaft assembly (12) comprises the retarder driven gear (11) that is installed on the output shaft; The retarder driving gear of parallel hydraulic retarder and described retarder driven gear (11) engagement.
3. a kind of passenger vehicle electric control mechanical type automatic speed variator according to claim 1 is characterized in that, two axle assemblies (3) comprise three sliding sleeves (5) that are used for switching gear; Output shaft assembly (12) comprises for the auxiliary box synchronizer (6) that switches the high and low gear of odd-side.
4. a kind of passenger vehicle electric control mechanical type automatic speed variator according to claim 1, it is characterized in that, described passenger vehicle electric control mechanical type automatic speed variator also comprises gear-shifting actuating mechanism (15), brake assembly (14), break solenoid valve (20), odd-side cylinder assembly (8), odd-side cylinder solenoid valve (13), input shaft rotating speed sensor (25) and OSS (23); Gear-shifting actuating mechanism (15), brake assembly (14) and odd-side cylinder assembly (8) connect the car load source of the gas.
5. a kind of passenger vehicle electric control mechanical type automatic speed variator according to claim 4, it is characterized in that, described input shaft rotating speed sensor (25), OSS (23), gear-shifting actuating mechanism (15), break solenoid valve (20) are connected 13 with the odd-side cylinder solenoid valve) connection speed changer ECU (Electrical Control Unit).
6. a kind of passenger vehicle electric control mechanical type automatic speed variator according to claim 1, it is characterized in that, all gears on an axle assembly (1), main tank countershaft assembly (2), two axle assemblies (3), driving wheel assembly (7), output shaft assembly (12) and the odd-side countershaft assembly (19) are fine-high-gear structure.
7. a kind of passenger vehicle electric control mechanical type automatic speed variator according to claim 1 is characterized in that, described passenger vehicle electric control mechanical type automatic speed variator also comprises the electro-pneumatic clutch control system.
8. a kind of passenger vehicle electric control mechanical type automatic speed variator according to claim 1 is characterized in that, described passenger vehicle electric control mechanical type automatic speed variator comprises ten gears that advance; The differential average out to 1.28 of speed ratio between gear; Each grade of forward gears speed ratio is respectively 7.45,5.79,4.52,3.53,2.75,2.11,1.64,1.28,1.00,0.78, and reverse gear ratio is 7.54.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104228554A CN102943864A (en) | 2012-10-29 | 2012-10-29 | Automated mechanical transmission for passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104228554A CN102943864A (en) | 2012-10-29 | 2012-10-29 | Automated mechanical transmission for passenger car |
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| CN102943864A true CN102943864A (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012104228554A Pending CN102943864A (en) | 2012-10-29 | 2012-10-29 | Automated mechanical transmission for passenger car |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195903A (en) * | 2013-04-01 | 2013-07-10 | 西安双特智能传动有限公司 | Commercial vehicle hydraulic automatic transmission where electric control hydraulic retarder is integrated |
| CN103968010A (en) * | 2014-04-30 | 2014-08-06 | 陕西法士特齿轮有限责任公司 | Twelve-gear electronic control mechanical type automatic transmission |
| CN104675961A (en) * | 2015-03-03 | 2015-06-03 | 中国重汽集团济南动力有限公司 | Novel transmission with hydrodynamic retarder |
| CN105485289A (en) * | 2014-09-19 | 2016-04-13 | 西安双特智能传动有限公司 | Automatic transmission for commercial vehicle |
| CN105987158A (en) * | 2015-03-03 | 2016-10-05 | 中国重汽集团济南动力有限公司 | Novel transmission retarder parallel connection structure |
| CN106641195A (en) * | 2017-01-23 | 2017-05-10 | 中国第汽车股份有限公司 | Heavy 12-gear AMT transmission assembly |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000081122A (en) * | 1998-08-21 | 2000-03-21 | Dana Corp | Drive train assembly for vehicle |
| CN2895883Y (en) * | 2006-02-20 | 2007-05-02 | 陕西法士特齿轮有限责任公司 | Multi-shift combined secondary-box three middle shaft automative speed variator |
| CN101078436A (en) * | 2006-05-23 | 2007-11-28 | 比亚迪股份有限公司 | Mechanical type automatic transmission |
| CN201078460Y (en) * | 2007-08-20 | 2008-06-25 | 山西大同齿轮集团有限责任公司 | Speed changer with electrohydraulic buffer additional device |
| CN201671986U (en) * | 2010-04-16 | 2010-12-15 | 陕西法士特齿轮有限责任公司 | Pneumatic speed changer brake |
| CN102537151A (en) * | 2012-02-24 | 2012-07-04 | 陕西法士特齿轮有限责任公司 | Transmission brake based on clutch actuating mechanism |
| CN202326941U (en) * | 2011-10-31 | 2012-07-11 | 陕西法士特齿轮有限责任公司 | Automobile transmission |
| CN202484155U (en) * | 2012-02-24 | 2012-10-10 | 陕西法士特齿轮有限责任公司 | Speed changer brake based on clutch actuating mechanism |
| CN202914685U (en) * | 2012-10-29 | 2013-05-01 | 陕西法士特齿轮有限责任公司 | Passenger car electric control mechanical type automatic transmission |
-
2012
- 2012-10-29 CN CN2012104228554A patent/CN102943864A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000081122A (en) * | 1998-08-21 | 2000-03-21 | Dana Corp | Drive train assembly for vehicle |
| CN2895883Y (en) * | 2006-02-20 | 2007-05-02 | 陕西法士特齿轮有限责任公司 | Multi-shift combined secondary-box three middle shaft automative speed variator |
| CN101078436A (en) * | 2006-05-23 | 2007-11-28 | 比亚迪股份有限公司 | Mechanical type automatic transmission |
| CN201078460Y (en) * | 2007-08-20 | 2008-06-25 | 山西大同齿轮集团有限责任公司 | Speed changer with electrohydraulic buffer additional device |
| CN201671986U (en) * | 2010-04-16 | 2010-12-15 | 陕西法士特齿轮有限责任公司 | Pneumatic speed changer brake |
| CN202326941U (en) * | 2011-10-31 | 2012-07-11 | 陕西法士特齿轮有限责任公司 | Automobile transmission |
| CN102537151A (en) * | 2012-02-24 | 2012-07-04 | 陕西法士特齿轮有限责任公司 | Transmission brake based on clutch actuating mechanism |
| CN202484155U (en) * | 2012-02-24 | 2012-10-10 | 陕西法士特齿轮有限责任公司 | Speed changer brake based on clutch actuating mechanism |
| CN202914685U (en) * | 2012-10-29 | 2013-05-01 | 陕西法士特齿轮有限责任公司 | Passenger car electric control mechanical type automatic transmission |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195903A (en) * | 2013-04-01 | 2013-07-10 | 西安双特智能传动有限公司 | Commercial vehicle hydraulic automatic transmission where electric control hydraulic retarder is integrated |
| CN103195903B (en) * | 2013-04-01 | 2015-09-02 | 西安双特智能传动有限公司 | A kind of commercial car hydraulic automatic speed variator being integrated with electric control hydraulic retarder |
| CN103968010A (en) * | 2014-04-30 | 2014-08-06 | 陕西法士特齿轮有限责任公司 | Twelve-gear electronic control mechanical type automatic transmission |
| CN105485289A (en) * | 2014-09-19 | 2016-04-13 | 西安双特智能传动有限公司 | Automatic transmission for commercial vehicle |
| CN105485289B (en) * | 2014-09-19 | 2018-03-30 | 西安双特智能传动有限公司 | A kind of commerial vehicle automatic transmission |
| CN104675961A (en) * | 2015-03-03 | 2015-06-03 | 中国重汽集团济南动力有限公司 | Novel transmission with hydrodynamic retarder |
| CN105987158A (en) * | 2015-03-03 | 2016-10-05 | 中国重汽集团济南动力有限公司 | Novel transmission retarder parallel connection structure |
| CN106641195A (en) * | 2017-01-23 | 2017-05-10 | 中国第汽车股份有限公司 | Heavy 12-gear AMT transmission assembly |
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Application publication date: 20130227 |