CN102072290B - Gearbox with 2+1 gears for electric automobile - Google Patents
Gearbox with 2+1 gears for electric automobile Download PDFInfo
- Publication number
- CN102072290B CN102072290B CN 201110041113 CN201110041113A CN102072290B CN 102072290 B CN102072290 B CN 102072290B CN 201110041113 CN201110041113 CN 201110041113 CN 201110041113 A CN201110041113 A CN 201110041113A CN 102072290 B CN102072290 B CN 102072290B
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- Prior art keywords
- gear
- speed
- reverse
- casing
- gears
- 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.)
- Expired - Fee Related
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- 230000000903 blocking effect Effects 0.000 claims description 15
- 230000011664 signaling Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 3
- 230000009194 climbing Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
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- 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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/089—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
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- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention relates to a gearbox with 2+1 gears for an electric automobile. An exhaust valve, a bolt of an oil injection opening, an automobile speed mileage output sensor, a high-speed gear signal switch, a low-speed gear signal switch and a reverse gear switch are installed on a back box body of a speed changer; a box body of the speed changer is provided with a driving mechanism, a reverse gear idler mechanism, an intermediate shaft mechanism, a differential assembly and a gear shifting mechanism; the gearbox with the 2+1 gears for the electric automobile has the advantages that two forward gear speed changers are adopted, and the rated power of an adopted motor can be lowered; meanwhile, a transmission gear of a high-speed input shaft can work by a tooth face at a single side through adding a reverse gear, the fatigue life of teeth is enhanced, and the engagement noise of the tooth face is lowered; the difference value of the transmission speed ratio of two gears is large, the adopted power of a drive motor is effectively lowered, and the integral dynamic performance of a power assembly is enhanced; and the gearbox with the 2+1 gears for the electric automobile can be widely applied to an electric car, a wagon and a passenger car to serve as a variable-speed transmission mechanism.
Description
Technical field
The present invention is a kind of gearbox with 2+1 gears for electric automobile.
Background technique
Because oil price rises steadily, electric motor car has had larger development as a green energy resource product.Current, general electronic gas car, storage battery car all adopt and directly drive or permanent velocity ratio carries out power output.This gear requires the drive motor of coupling that larger output power is arranged, and also is not easy to assembling and maintenance.
Summary of the invention
The object of the invention is to, solve above-mentioned existing existing problem, a kind of gearbox with 2+1 gears for electric automobile that has improved the integral power performance of power assembly is provided.
The present invention is achieved in that the front casing of speed changer, speed changer rear box are bolted the formation casing, by bearing driving mechanism is installed, and at the live axle of driving mechanism high speed driving gear, reversing driving gear, low-speed active gear is installed; By casing, rear cabinet body opening before the speed changer reverse idler gear mechanism is installed, on the reverse idler gear axle of reverse idler gear mechanism idle pulley, Returnning spring is installed; By bearing jack shaft mechanism is installed, low speed driven gear, synchronizer, reverse gear driven gear, high speed driven gear, mileage output driving gear are installed by jack shaft mechanism above the main deceleration driving gear axle; By bearing differential assembly is installed, differential assembly is connected and composed by planetary pinion, differential gear, planet axis, main deceleration driven gear, differential casing; By front box body hole and bolt hole gearshift is installed, wherein reverse speed shift rod is installed in the reverse speed fork axis hole of the front casing of speed changer, reverse speed fork, reverse gear shifting block and reverse gear signaling switch collision block is installed on the reverse speed shift rod and uses rivet; The gear declutch shift shaft that advances is installed in the gear declutch shift shaft hole of advancing of front casing, and forward gears shift fork, forward gear shifting block rivet are installed on the gear declutch shift shaft that advances; Blocking arm is installed in the blocking arm hole of front casing, and the gear arm Returnning spring is installed on the blocking arm, shifting block is connected by interior external splines with blocking arm, and blocks with jump ring in blocking arm spline outside, prevents the shifting block axial float; The interlocking slide block is installed in the interlocking slide block groove of front casing, again with position-limited rack with being bolted to before the speed changer on the casing; The reverse gear lever plectrum is connected on the reverse gear lever slice frame with rivet shaft, and guarantees that the reverse gear lever plectrum can rotate around rivet shaft.Again with the reverse gear lever slice frame with being bolted to before the speed changer on the casing; Gear arm locking steel ball, gear arm locking stage clip, declutch shift shaft locking stage clip and steel ball are installed in the locking hole of casing before speed changer.
At the speed changer rear box outlet valve, pouring orifice bolt, vehicle speed mileage output transducer, high gear signaling switch, low gear signaling switch, reverse gear switch are installed.
Advantage of the present invention is, adopts two forward gears and a reverse gear function, and two gear driving gearshifts that advance are bottom gear and top gear, use bottom gear during the heavy duty climbing, use top gear when the underloading road conditions are better; What reverse gear adopted is the parking gearshift.
Adopt two gear speed changers that advance, can reduce the rated power of selecting motor.Simultaneously, add driving gear that reverse gear can make the high speed input shaft with one-sided flank of tooth work, improved tooth fatigue life, reduced the flank engagement noise.
Two gear transmission speed ratio differences are large, effectively reduced the power of selecting of drive motor, improved the integral power performance of power assembly.Can be widely used on electrocar, lorry and the passenger vehicle as variable transmission mechanism.
Description of drawings
Fig. 1 is three-dimensional structure diagram of the present invention;
Fig. 2 is sectional structure chart of the present invention;
Fig. 3 is the power transmission arrangment schematic representation;
Fig. 4 is the plan view of Fig. 3;
Fig. 5 is the gearshift structural representation;
Fig. 6 is the plan view of Fig. 5.
Embodiment
Describe in detail below in conjunction with accompanying drawing: as shown in the figure, casing A, speed changer rear box B are bolted the formation casing before the speed changer, by bearing drive shaft mechanism D is installed, at the live axle of drive shaft mechanism D high speed driving gear D1, reversing driving gear D2, low-speed active gear D3 is installed; By casing A, speed changer rear box B mounting hole before the speed changer reverse idler gear C of mechanism is installed, the C of reverse idler gear mechanism consists of: at idler shaft C2 idle pulley C1, Returnning spring C3 are installed; By bearing the jack shaft E of mechanism is installed, the E of jack shaft mechanism forms: upper low speed driven gear E2, synchronizer E3, reverse gear driven gear E6, high speed driven gear E4, the mileage output driving gear E5 of installing of main deceleration driving gear axle E1; By bearing differential assembly G is installed, differential assembly G is connected and composed by planetary pinion G1, differential gear G2, planet axis G3, main deceleration driven gear G4, differential casing G5; Mounting hole and bolt hole by casing A, speed changer rear box B before the speed changer are installed gearshift F, wherein reverse speed shift rod F3 is installed in the reverse speed fork axis hole of protecgulum A, reverse speed fork F11, reverse gear shifting block F15 and reverse gear signaling switch collision block F17 is installed on the reverse speed shift rod F3 and uses rivet; The gear declutch shift shaft F4 that advances is installed in the gear declutch shift shaft hole of advancing of protecgulum A, and forward gears shift fork F10, forward gear shifting block F16 rivet are installed on the gear declutch shift shaft F4 that advances; Blocking arm F1 is installed in the blocking arm hole of protecgulum A, and the upper gear arm Returnning spring F6 that installs of blocking arm F1 is connected with blocking arm F1 shifting block F2, and blocks with jump ring in blocking arm F1 spline outside by interior external splines, prevent shifting block F2 axial float; Interlocking slide block F5 is installed in the interlocking slide block groove of protecgulum A, again with position-limited rack F9 with being bolted on the mission case protecgulum A; Reverse gear lever plectrum F12 is connected on the reverse gear lever slice frame F13 with rivet shaft, and guarantees that reverse gear lever plectrum F12 can rotate around rivet shaft.Again with reverse gear lever slice frame F13 with being bolted on the mission case protecgulum A; In the locking hole of protecgulum A, put into gear arm locking steel ball F7, gear arm locking stage clip F8, declutch shift shaft locking stage clip and steel ball F14.
Casing rear box B is equipped with outlet valve Q1, pouring orifice bolt Q2, vehicle speed mileage output transducer Q3, high gear signaling switch X1, low gear signaling switch X2, reverse gear switch X3 before speed changer.
Its power transmission line is:
1) bottom gear drive path: transmission drive shaft D → low-speed active gear D3 → bottom gear driven gear E2 → synchronizer E3 → main deceleration driving gear E1 → main deceleration driven gear G4 → planetary pinion G1 → differential gear G2 → output;
2) top gear drive path: transmission drive shaft D → high speed driving gear D1 → top gear driven gear E4 → synchronizer E3 → main deceleration driving gear E1 → main deceleration driven gear G4 → planetary pinion G1 → differential gear G2 → output;
3) reverse gear drive path: transmission drive shaft D → reverse gear driving tooth D2 → idle pulley C1 → reverse gear driven gear E6 → synchronizer E3 → main deceleration driving gear E1 → main deceleration driven gear G4 → planetary pinion G1 → differential gear G2 → output;
The shift-position changing mechanism drive path is:
1) the top gear gearshift drive path that advances is: gear arm F1 is rotated counterclockwise, F2 stirs forward gear shifting block F16 by the gear arm shifting block, drive advance gear declutch shift shaft F4 and forward gears shift fork F10, shift fork F10 drives synchronizer E3, synchronizer E3 is combined with top gear driven gear E4, realizes that top gear switches; At this moment, backset steel ball F14 is pressed in the groove of declutch shift shaft F4, finishes the locking of high gear; Meanwhile, it is closed that the gear signal collision block on the shift fork F10 has triggered gear signal switch X1, represents that current gear is top gear.
2) the low gear gearshift drive path that advances is: gear arm F1 turns clockwise, F2 stirs forward gear shifting block F16 by the gear arm shifting block, drive advance gear declutch shift shaft F4 and forward gears shift fork F10, shift fork F10 drives synchronizer E3, synchronizer E3 is combined with bottom gear driven gear E2, realizes that bottom gear switches; At this moment, backset steel ball F14 is pressed in another groove of declutch shift shaft F4, finishes the locking of low gear; Meanwhile, it is closed that the gear signal collision block on the shift fork F10 has triggered low gear signaling switch X2, represents that current gear is bottom gear.
3) reverse gear gearshift drive path is: pull out gear arm F1, then be rotated counterclockwise, stir reverse gear shifting block F15 by gear arm shifting block F2, drive reverse speed shift rod F3 and reverse speed fork F11, shift fork F11 presses reverse gear lever plectrum F12 rotation, stir idle pulley C1 and live axle D reversing driving gear D2 and jack shaft E reverse gear tooth E3 engagement, realize the reversing transmission; At this moment, backset steel ball F14 is pressed in the groove of declutch shift shaft F3, finishes the locking of backing car gear; Meanwhile, it is closed that the gear signal collision block F17 on the reverse speed shift rod F3 has triggered gear signal switch X3, represents that current gear is reverse gear.
4) gear interlock structure: when extension advances gear, forward gear declutch shift shaft F4 will interlock in the groove that slide block F5 shifts reverse speed shift rod F3 onto, with reverse speed shift rod F3 locking.When forward gear moved, this structure has prevented idle pulley C1 because vibration and other gear tooth interferences.
Gear adopts synchronizer E3 to realize at jack shaft E, engages with low speed E2 and high speed driven gear E4 respectively by synchronizer E3 and realizes low speed and high speed operation.When backing car gear switches, guarantee that vehicle comes to a complete stop, just can shift gears, the gearshift of namely stopping.
Claims (1)
1. gearbox with 2+1 gears for electric automobile, casing, speed changer rear box are bolted the formation casing before the speed changer, at the speed changer rear box outlet valve, pouring orifice bolt, vehicle speed mileage output transducer, high gear signaling switch, low gear signaling switch, reverse gear switch are installed; It is characterized in that casing is installed driving mechanism by bearing, at the live axle of driving mechanism high speed driving gear, reversing driving gear, low-speed active gear are installed; By casing mounting hole, rear box mounting hole before the speed changer the lazy mechanism of reverse gear is installed, on the reverse idler gear axle of the lazy mechanism of reverse gear idle pulley, Returnning spring is installed; By bearing jack shaft mechanism is installed, low speed driven gear, synchronizer, reverse gear driven gear, high speed driven gear, mileage output driving gear are installed by jack shaft mechanism above the main deceleration driving gear axle; By bearing differential assembly is installed, differential assembly is connected and composed by planetary pinion, differential gear, planet axis, main deceleration driven gear, differential casing; By front box body hole and bolt hole gearshift is installed, wherein reverse speed shift rod is installed in the reverse speed fork axis hole of protecgulum, reverse speed fork, reverse gear shifting block and reverse gear signaling switch collision block is installed on the reverse speed shift rod and uses rivet; The gear declutch shift shaft that advances is installed in the gear declutch shift shaft hole of advancing of front casing, and forward gears shift fork, forward gear shifting block rivet are installed on the gear declutch shift shaft that advances; Blocking arm is installed in the blocking arm hole of front casing, and the gear arm Returnning spring is installed on the blocking arm, shifting block is connected by interior external splines with blocking arm, and blocks with jump ring in blocking arm spline outside, prevents the shifting block axial float; The interlocking slide block is installed in the interlocking slide block groove of front casing, again with position-limited rack with being bolted to before the mission case on the casing; The reverse gear lever plectrum is connected on the reverse gear lever slice frame with rivet shaft, and guarantees that the reverse gear lever plectrum can rotate around rivet shaft; Again with the reverse gear lever slice frame with being bolted to before the mission case on the casing; Gear arm locking steel ball, gear arm locking stage clip, declutch shift shaft locking stage clip and steel ball are installed in the locking hole of front casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110041113 CN102072290B (en) | 2011-02-21 | 2011-02-21 | Gearbox with 2+1 gears for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110041113 CN102072290B (en) | 2011-02-21 | 2011-02-21 | Gearbox with 2+1 gears for electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102072290A CN102072290A (en) | 2011-05-25 |
| CN102072290B true CN102072290B (en) | 2013-02-06 |
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ID=44030967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110041113 Expired - Fee Related CN102072290B (en) | 2011-02-21 | 2011-02-21 | Gearbox with 2+1 gears for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102072290B (en) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103423438A (en) * | 2012-05-24 | 2013-12-04 | 姜华 | Transmission shifting mechanism for all-electric cars |
| CN105276155B (en) * | 2014-05-30 | 2018-09-28 | 广州汽车集团股份有限公司 | A kind of gearshift |
| CN104295714B (en) * | 2014-10-21 | 2016-08-24 | 重庆市霞艺汽车配件制造有限公司 | A kind of right case of two grades of electric vehicle transmission assemblies |
| CN104791481A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Double-gear automatic gearbox assembly for automobile |
| CN104791466A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Case cover of speed change device |
| CN104791454A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Automobile differential transmission assembly |
| CN104791469A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Box cover of differential speed variator for automobile |
| CN104819272A (en) * | 2015-04-02 | 2015-08-05 | 重庆钟华机械有限责任公司 | Automobile differential transmission assembly shell |
| CN104791427A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Double-gear automatic transmission assembly of pure electric four-wheel car |
| CN104791471A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Differential speed variator for automobile |
| CN104791467A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | High-torque differential gearbox box cover |
| CN104791472A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Shell of differential speed variator for automobile |
| CN104819273A (en) * | 2015-04-02 | 2015-08-05 | 重庆钟华机械有限责任公司 | Speed change device |
| CN104791476A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Double-gear automatic transmission assembly for electric vehicle |
| CN104791478A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Dual-gear automatic transmission assembly |
| CN104791453A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Box cover of automobile differential transmission assembly |
| CN104791470A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | High-torque differential gearbox shell |
| CN104791465A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | Speed change device shell |
| CN104791477A (en) * | 2015-04-02 | 2015-07-22 | 重庆钟华机械有限责任公司 | High-torque double-gear automatic transmission assembly |
| CN105179649A (en) * | 2015-09-23 | 2015-12-23 | 杭州安驱汽车零部件有限公司 | Box of two-gear AMT for electric car |
| CN107588180B (en) * | 2017-10-16 | 2018-07-27 | 浙江锠泰机械工业有限公司 | A kind of gear case body and its composite molding technique |
| CN112539227B (en) * | 2019-09-23 | 2022-07-15 | 比亚迪股份有限公司 | Synchronous system and vehicle that has it |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3505776B2 (en) * | 1994-03-31 | 2004-03-15 | スズキ株式会社 | transmission |
| US7272986B2 (en) * | 2005-07-15 | 2007-09-25 | Ford Global Technologies, Llc | Dual input automatic transaxle |
| FR2897134B1 (en) * | 2006-02-03 | 2009-01-23 | Renault Sas | HYBRID POWER UNIT OPTIMIZED FOR FIRST SPEED AND REVERSE ENGAGEMENT |
| CN201588921U (en) * | 2010-02-04 | 2010-09-22 | 浙江坤鸿机械设备有限公司 | Speed reducer for electric automobile |
| CN201672014U (en) * | 2010-04-30 | 2010-12-15 | 长春思达汽车技术咨询有限公司 | Two-gear automatic speed changing device with end power input for electric car |
-
2011
- 2011-02-21 CN CN 201110041113 patent/CN102072290B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102072290A (en) | 2011-05-25 |
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Effective date of registration: 20201019 Address after: 121000 No. 4, Tianshan Road, Jinzhou economic and Technological Development Zone, Liaoning (8-51-13) Patentee after: Jinzhou million Dehan take Motor Co.,Ltd. Address before: 121000 No. 16, Yu Jie street, Jinzhou, Liaoning Patentee before: JINZHOU HALLA ELECTRICAL EQUIPMENT Co.,Ltd. |
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