CN101353016A - Automatic gear shift apparatus for vehicle speed variation - Google Patents
Automatic gear shift apparatus for vehicle speed variation Download PDFInfo
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- CN101353016A CN101353016A CNA2008101957857A CN200810195785A CN101353016A CN 101353016 A CN101353016 A CN 101353016A CN A2008101957857 A CNA2008101957857 A CN A2008101957857A CN 200810195785 A CN200810195785 A CN 200810195785A CN 101353016 A CN101353016 A CN 101353016A
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Abstract
The invention discloses an automatic gear-shift device used in vehicle speed variation, relates to the arrangement and installation of a control mechanism of a transmission device of a speed variable gear. A gear-shift shaft is fixedly arranged on a gearbox which is connected with a shell. The invention is characterized in that a gear-shift motor, a gear-shift deceleration machine and a shift sensor, a transmission shaft and a bearing are sequentially connected to form a gear-shift mechanism which is fixed in the shell; a gear selecting motor, a gear selecting deceleration machine, a gear selecting sensor, a gear wheel shaft, a rack shaft and the bearing are sequentially connected to form a gear selecting mechanism which is fixed in the shell; a fan-shaped connecting sheet is connected with a transmission gear and the gear-shift shaft, and the gear wheel shaft is fixedly arranged on the gear-shift shaft by the fan-shaped connecting sheet; signals of the gear-shift sensor and the gear-selecting sensor are electrically connected with an electronic control unit and the actions of gear shifting and selecting can be realized under the control of the electronic control unit. The automatic gear-shift device has the advantages that the structure is simple and light, small in occupation space and can realize the gear jumping; the fan-shaped connecting sheet is rigidly connected with the transmission gear, the rack shaft and the gear-shift shaft; the device is stable in power transfer, accurate in position, safe and reliable, low in cost and easy in implementation.
Description
Technical field
The invention belongs to vehicle component, relate in particular to layout and the installation of change gear transmission control mechanism on vehicle.
Background technology
Be applied to the automatic speed-changing system on the automobile at present, the hydraulic automatic speed variator (AT) that exhausted big number is made up of turbine transformer and planetary transmission because the cost height often only is applied to the high gear car, is difficult to popularize.The eighties has occurred on the basis that manually keeps off change speed gear box by installing a cover actuating unit and an ECU (Electrical Control Unit) additional, realize automated mechanical formula automatic transmission with hydraulic torque converter (AMT), hydraulic actuator is adopted in the control of its change speed gear box always, this mechanism is made up of block selecting, gearshift oil cylinder, oil pump and electromagnetic valve, realizes block selecting and gearshift action by control electromagnetic valve.Its shortcoming is a complex structure, and cost is higher, and there is power waste in course of action.
Chinese invention patent discloses a kind of automatic gear shift apparatus for vehicle speed variation (L01226807.0).This mechanism comprises electrical motor, retarder, camshaft, face cam, one group of selector fork and angular-motion transducer; Described electrical motor links by retarder and camshaft, face cam is axially fixed on the camshaft by the key connection, the end face of the end face of face cam and the camshaft shaft shoulder is respectively equipped with cam path, one end of described shift fork is inserted in aforementioned two cam paths by straight pin, and the other end of shift fork inserts in the groove of gearshift shifting block in the automobile gearbox; Described angular-motion transducer places the end of camshaft.The major defect that this mechanism exists is that cam profile is crucial sport technique segment, needs very high working accuracy, is unfavorable for batch manufacturing; Strict cam profile requires have high-precision sensor to carry out position probing, and high control accuracy will be arranged; Gear must come the retaining of lifting successively according to cam profile, can not realize trip stopping.
Summary of the invention
For overcoming the defective of prior art, the purpose of this invention is to provide a kind of automatic gear shift apparatus for vehicle speed variation, simplify the gearshift structure, improve driving efficiency, cost-cutting keeps in repair easy to use.
Automatic gear shift apparatus for vehicle speed variation, the gearshift axle that comprises housing, change speed gear box and change speed gear box, housing is connected with change speed gear box, the gearshift axle is fixed on the change speed gear box, be characterized in being in turn connected into gearshift, be fixed in the housing left side by shift motor, gearshift reductor and gear shift sensing device, transmission shaft, transmission gear and No. 1 bearing of establishing thereon; Be in turn connected into the block selecting structure by block selecting motor, block selecting reductor and block selecting sensor, gear wheel shaft, rack shaft and No. 2 bearings of establishing thereon, be fixed in the housing right side; Fan-shaped connecting strap one end is connected with transmission gear, end is fixed on the gearshift axle in addition, gear wheel shaft is fixed on gearshift axle top by fan-shaped connecting strap, and the rack shaft of the transmission gear of gearshift and block selecting mechanism is rigidly connected, and gearshift action and block selecting action are combined closely.Gear shift sensing device and block selecting sensor signal and ECU (Electrical Control Unit) are electrically connected, and under the control of ECU (Electrical Control Unit), the power shift motor is implemented the gearshift action, drive the block selecting motor and implement the block selecting action.
The present invention further improves:
Described gearshift, its shift motor is fixed with the gearshift reductor, is fixed on the housing; The gear shift sensing device is located on the gearshift reductor, and gearshift stroke and gear are accurately measured; Transmission gear is fixed on the transmission shaft by flat key, and transmission shaft one end is rigidly connected with the gearshift reductor, and end is shifted gears under shift motor drives by No. 1 bearing supporting that is fixed on the housing in addition.
Described block selecting mechanism, its block selecting motor and block selecting reductor are fixed, are fixed on the housing; The block selecting sensor is located on the block selecting reductor, and block selecting row and block selecting position are accurately measured; One end and the block selecting reductor of gear wheel shaft are rigidly connected, and end is by No. 2 bearing supportings that are fixed on the housing in addition; The engagement of gear wheel shaft and rack shaft, rack shaft are fixed in the axle sleeve that housing establishes, and the hook that its end is established by fan-shaped connecting strap is rigidly connected with the gearshift axle, carries out block selecting under the block selecting motor-driven.
Described fan-shaped connecting strap one end is established gear, is meshed with transmission gear, and end is established mounting hole in addition, is fixed on the gearshift axle by pin; Right-hand member is also established hook, and groove is established in the rack shaft lower end, and hook is installed in the groove.
This device advantage is simple in structure, light and handy, can realize trip stopping, and easy for installation, machinery takes up room little; Fan-shaped attaching parts reliably is connected with the gearbox shifting axle, realizes the power smooth transfer, and the position is accurate, is easy to realize programming control, and the shifting action is accurate, safe and reliable; With low cost, easy to implement, be applicable to any employing fixedly shaft type grade vehicle of gear manual shift change speed gear box is arranged, also can on the basis that does not change former change speed gear box inner structure, carry out automatic improving to the manual shift system.
Description of drawings
The invention will be further described for the contrast accompanying drawing.
Fig. 1 is the automatic gear shift apparatus for vehicle speed variation structural representation
Fig. 2 is that the A of Fig. 1 is to view.
The specific embodiment
By Fig. 1, Fig. 2 as can be seen, automatic gear shift apparatus for vehicle speed variation, its housing 7 is by being bolted on the change speed gear box 20, shift motor 1 is connected successively with gearshift reductor 2, transmission shaft 4,5, No. 1 bearing 6 of transmission gear, establish gear shift sensing device 3 on the gearshift reductor 2, the gearshift of Gou Chenging is fixed on housing 7 inwalls left side thus; Be connected successively by block selecting motor 8, block selecting reductor 9, gear wheel shaft 11, rack shaft 12 and No. 2 bearings 13, establish block selecting sensor 10 on the block selecting reductor 9, constitute the right side that block selecting mechanism is fixed on housing 7 inwalls thus; Fan-shaped connecting strap 14 is connected with transmission gear 5, gearshift axle 15 respectively, and rack shaft 12 is fixed on gearshift axle 15 tops by fan-shaped connecting strap 14.Gear shift sensing device 3 and block selecting sensor 10 are electrically connected with ECU (Electrical Control Unit) (not marking among the figure).
As seen from Figure 1, shift motor 1 is consolidated with gearshift reductor 2, is fixed on the housing 7, and gear shift sensing device 3 is fixed on the gearshift reductor 2, and transmission gear 5 is fixed on the transmission shaft 4 by flat key 21; Transmission shaft 4 one ends are rigidly connected with gearshift reductor 1, and end is by No. 1 bearing 6 supportings that are fixed on the housing 7 in addition.
By Fig. 1, Fig. 2 as can be seen, block selecting motor 8 is consolidated with block selecting reductor 9, is fixed on the housing 7; Gear wheel shaft 11 1 ends and block selecting reductor 9 are rigidly connected, and end is by No. 2 bearings 13 supportings that are fixed on the housing 7 in addition.Gear wheel shaft 11 and rack shaft 12 engagements, rack shaft 12 are fixed in the axle sleeve that housing 7 establishes, and the hook 17 that its end is established by fan-shaped connecting strap 14 is rigidly connected with gearshift axle 15.
As seen from Figure 1, fan-shaped connecting strap 14 left ends are established gear 18, with transmission gear 5 engagements; Right-hand member is established mounting hole, is fixed on the gearshift axle 15 by pin 19; Right-hand member is also established hook 17, and groove is established in rack shaft 12 lower ends, and hook 17 is installed in the groove.
It is as follows below actuating unit to be carried out rising 3 process prescriptions that keep off from 2 retainings:
After the upshift instruction of receiving control unit, ECU (Electrical Control Unit) is at first controlled shift motor 1, drive speed reducer 2, transmission gear 5 and fan-shaped connecting strap 14, realize the driving of exchange gear shaft 15, by the position indication of gear shift sensing device 3, arrive 1,2 retaining neutral gear positions, finish and pluck the retaining action; After stopping shift motor 1 action, drive block selecting motor 8, block selecting reductor 9, gear wheel shaft 11 and rack shaft 12 and fan-shaped connecting strap 14, realization is to the driving of the gearshift axle 15 of change speed gear box, position indication by block selecting sensor 10 arrives 3,4 neutral gear position, realizes the block selecting action, after action was finished, block selecting motor 8 stopped; The power shift motor 1 again, and power shift reductor 2, transmission gear 5 and fan-shaped connecting strap 14 are realized the driving to the gearshift axle 15 of change speed gear box, and the position indication by gear shift sensing device 3 arrives 3 gears and puts, and realizes gearshift.
Claims (4)
1. automatic gear shift apparatus for vehicle speed variation, comprise housing (7), change speed gear box (20) and gearshift axle (15), housing (7) is connected with change speed gear box (20), gearshift axle (15) is fixed on the change speed gear box (20), it is characterized in that being connected gearshift successively by shift motor (1), gearshift reductor (2) and gear shift sensing device (3), transmission shaft (4), transmission gear (5) and No. 1 bearing (6) established thereon, be fixed on the left of the housing (7) in; Be in turn connected into the block selecting structure by block selecting motor (8), block selecting reductor (9) and block selecting sensor (10), gear wheel shaft (11), rack shaft (12) and No. 2 bearings (13) established thereon, be fixed in housing (7) right side; Fan-shaped connecting strap (14) one ends are connected with transmission gear (5), and end is fixed on the gearshift axle (15) in addition, and gear wheel shaft (11) is fixed on gearshift axle (15) top by fan-shaped connecting strap (14); Gear shift sensing device (3) and block selecting sensor (10) signal and ECU (Electrical Control Unit) are electrically connected.
2. automatic gear shift apparatus for vehicle speed variation according to claim 1 is characterized in that its shift motor of described gearshift (1) is fixed with gearshift reductor (2), is fixed on the housing (7); Transmission gear (5) is fixed on the transmission shaft (4) by flat key (21), and transmission shaft (4) one ends are rigidly connected with gearshift reductor (2), and end is by No. 1 bearing (6) supporting that is fixed on the housing (7) in addition.
3. automatic gear shift apparatus for vehicle speed variation according to claim 1 is characterized in that described block selecting its block selecting motor (8) of mechanism and block selecting reductor (9) are fixed, is fixed on the housing (7); One end of gear wheel shaft (11) and block selecting reductor (9) are rigidly connected, and end is by No. 2 bearings (13) supporting that is fixed on the housing (7) in addition; The engagement of gear wheel shaft (11) and rack shaft (12), rack shaft (12) are fixed in the axle sleeve (16) that housing (7) establishes, and the hook (17) that its end is established by fan-shaped connecting strap (14) is rigidly connected with gearshift axle (15).
4. automatic gear shift apparatus for vehicle speed variation according to claim 1 is characterized in that described fan-shaped connecting strap (14) left end establishes gear (18) and be meshed with transmission gear (5); Right-hand member is established mounting hole, is fixed on the gearshift axle (15) by pin (19), and right-hand member is also established hook (17), and groove is established in rack shaft (12) lower end, and hook (17) is installed in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101957857A CN101353016A (en) | 2008-08-29 | 2008-08-29 | Automatic gear shift apparatus for vehicle speed variation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101957857A CN101353016A (en) | 2008-08-29 | 2008-08-29 | Automatic gear shift apparatus for vehicle speed variation |
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| Publication Number | Publication Date |
|---|---|
| CN101353016A true CN101353016A (en) | 2009-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101957857A Pending CN101353016A (en) | 2008-08-29 | 2008-08-29 | Automatic gear shift apparatus for vehicle speed variation |
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| CN (1) | CN101353016A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979900A (en) * | 2010-11-09 | 2011-02-23 | 中国第一汽车集团公司 | Motor-driven gear selection and shifting actuator |
| CN102295000A (en) * | 2011-06-18 | 2011-12-28 | 重庆长安汽车股份有限公司 | Control system used for two-gear automatic speed changer of pure electric vehicle and control method thereof |
| CN102384262A (en) * | 2011-11-16 | 2012-03-21 | 南京绿控传动科技有限公司 | Automatic shifting device and method for speed change of vehicles |
| CN102588585A (en) * | 2012-03-30 | 2012-07-18 | 湖南大学 | Automatic gear shifting mechanism of manual transmission |
| CN102384262B (en) * | 2011-11-16 | 2016-12-14 | 苏州绿控传动科技有限公司 | Vehicle speed variation auto-shifting device and method thereof |
| CN106286802A (en) * | 2016-08-30 | 2017-01-04 | 常州东风无级变速器有限公司 | Variator and gear shifting actuating mechanism thereof |
| CN107013679A (en) * | 2017-05-27 | 2017-08-04 | 苏州绿控传动科技有限公司 | A kind of automatic gear shift mechanisms of AMT |
| CN109606529A (en) * | 2019-01-22 | 2019-04-12 | 任海军 | A kind of electric vehicle automatic transmission power control system |
| CN112145679A (en) * | 2020-09-18 | 2020-12-29 | 西安法士特汽车传动有限公司 | AMT transmission |
| CN113357362A (en) * | 2021-04-23 | 2021-09-07 | 中汽动力（沈阳）有限公司 | Select shift structure, derailleur and vehicle |
-
2008
- 2008-08-29 CN CNA2008101957857A patent/CN101353016A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979900A (en) * | 2010-11-09 | 2011-02-23 | 中国第一汽车集团公司 | Motor-driven gear selection and shifting actuator |
| CN102295000A (en) * | 2011-06-18 | 2011-12-28 | 重庆长安汽车股份有限公司 | Control system used for two-gear automatic speed changer of pure electric vehicle and control method thereof |
| CN102384262A (en) * | 2011-11-16 | 2012-03-21 | 南京绿控传动科技有限公司 | Automatic shifting device and method for speed change of vehicles |
| CN102384262B (en) * | 2011-11-16 | 2016-12-14 | 苏州绿控传动科技有限公司 | Vehicle speed variation auto-shifting device and method thereof |
| CN102588585A (en) * | 2012-03-30 | 2012-07-18 | 湖南大学 | Automatic gear shifting mechanism of manual transmission |
| CN106286802A (en) * | 2016-08-30 | 2017-01-04 | 常州东风无级变速器有限公司 | Variator and gear shifting actuating mechanism thereof |
| CN107013679A (en) * | 2017-05-27 | 2017-08-04 | 苏州绿控传动科技有限公司 | A kind of automatic gear shift mechanisms of AMT |
| CN109606529A (en) * | 2019-01-22 | 2019-04-12 | 任海军 | A kind of electric vehicle automatic transmission power control system |
| CN112145679A (en) * | 2020-09-18 | 2020-12-29 | 西安法士特汽车传动有限公司 | AMT transmission |
| CN113357362A (en) * | 2021-04-23 | 2021-09-07 | 中汽动力（沈阳）有限公司 | Select shift structure, derailleur and vehicle |
| CN113357362B (en) * | 2021-04-23 | 2023-03-03 | 中汽动力（沈阳）有限公司 | Select shift structure, derailleur and vehicle |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090128 |