CN201679916U - Two-gear gearbox assembly for electric bus - Google Patents
Two-gear gearbox assembly for electric bus Download PDFInfo
- Publication number
- CN201679916U CN201679916U CN2010201817021U CN201020181702U CN201679916U CN 201679916 U CN201679916 U CN 201679916U CN 2010201817021 U CN2010201817021 U CN 2010201817021U CN 201020181702 U CN201020181702 U CN 201020181702U CN 201679916 U CN201679916 U CN 201679916U
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- China
- Prior art keywords
- assembly
- input shaft
- output shaft
- output
- shaft assembly
- 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 - Lifetime
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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
- F16H3/091—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 including a single countershaft
- F16H3/0915—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 including a single countershaft with coaxial input and output shafts
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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)
- General Details Of Gearings (AREA)
- Structure Of Transmissions (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The utility model relates to a two-gear gearbox assembly for an electric bus, which is characterized in that in a gearbox, a front and back shell separation structure is formed by connecting a motor with a flange, a front shell and a back shell; an input shaft assembly is supported by a pair of conical roller bearings which are installed back to back, the front end of the input shaft assembly is supported in an inner hole of an input shaft through a roller, a middle shaft assembly is installed between the front shell and the back shell through the conical roller bearings, the input shaft is coaxial with an output shaft, and the input shaft and the output shaft are connected with a transmission shaft of the whole bus through an output flange. In the utility model, the input shaft and the output shaft are designed into a coaxial structure, and therefore, first order reduction is added, the speed ratio difference of paired gears is reduced, the service life of a gear is prolonged, and the input rotation direction is also ensured to be the same as the output rotation direction; the front and back shell separation structure is adopted; an upper cover part and a top cover part of an ordinary gearbox are cancelled, a shift cylinder is installed on the back shell, a large capacity synchronizer is adopted, and an electromagnetic valve is adopted to control pneumatic shift. Based on the structure, the whole bus is easy to arrange, and automatic control of the electric bus is easy to realize.
Description
Technical field:
The utility model relates to a kind of electric motor coach with two retaining transmission assemblies, belongs to auto parts and components.
Background technique:
At present, the two shift transmission assemblies used of domestic electric motor coach have two kinds.
A kind of is separately exploitation, and its structural feature: have only two axles, both input shaft and output shaft adopt synchronizer, Pneumatic shift, input shaft and output shaft not on same axis, the sense of rotation difference of input and output, relatively simple for structure.But for meeting the requirements of speed ratio (general one grade of speed ratio near 4, second gear speed ratio near 2), the difficult solution of life problems of small gear in the every pair of gear; Gearshift form structure complexity; Because input shaft and output shaft be not on same axis, the electric motor coach gearbox of this structure is arranged to car load and is made troubles.
A kind of is three gears of locking or four gears and come on the basis of former five grades of gearboxes or six grades of gearboxes.Its structural feature: single jack shaft structure, adopt synchronizer, Pneumatic shift, input shaft and output shaft divide shell up and down on same axis, and gearshift mechanism also adopts former gearbox loam cake and cap structure.Gearshift procedure is to utilize cylinder promotion gear shift arm external on the gear box casing and shift shaft assembly around the shift shaft center steering, drives the gearshift shifting block rotation of being fixed on the shift shaft, and shifting block drives reverse shift fork and stirs sliding gear collar, realizes gear shift.This gearbox designs more complicated, length of installation is bigger, and synchronizer is to adopt former Synchromous device of gearbox simultaneously, adopts compressed-air shifting on electric motor coach, and the life-span of synchronizer is no more than 30,000 kilometers.
Summary of the invention:
The purpose of this utility model is to provide a kind of electric motor coach to keep off transmission assemblies with two, be primarily aimed at the structural type narrow limitation in actual applications of two kinds of gearboxes of above-mentioned domestic employing, input shaft and output shaft are designed to coaxial configuration, increasing one-level slows down, the speed ratio that has reduced mated gear is poor, improve the life-span of gear, guaranteed that simultaneously the sense of rotation of input and output is identical; Divide shell structure before and after adopting; Cancel the loam cake and the header field of common gearbox, gear shifting cylinder is installed on the rear case, adopt big capacity synchronizer, adopt electromagnetic valve controlled pneumatic shift; This structure is easy to the layout of passenger vehicle car load; Be easy to realize the automatic control of electric motor coach, overcome the deficiency of present electric motor coach with two grades of casees.
The technical solution of the utility model is achieved in that two grades of transmission assemblies of electric motor coach, comprises the motor adpting flange, front case, output shaft assembly, rear case, gear shifting cylinder and reverse shift fork assembly, output flange, countershaft assembly, input shaft assembly; It is characterized in that: gearbox divides shell structure before and after being formed by motor adpting flange, front case and rear case; The input shaft assembly is supported by the tapered roller bearing of a pair of back-to-back installation, the front end of output shaft assembly is supported in the endoporus of input shaft by roller, countershaft assembly is installed between front case and the rear case by tapered roller bearing, and input shaft and output shaft are coaxial; Link to each other with the car load transmission shaft by output flange.
Described output shaft assembly adopts big capacity synchronizer; Gas-tpe fitting is installed in respectively on control cylinder assembly, pressure regulator valve and the solenoid electric valve, and pressure regulator valve is by being bolted to the cylinder outside, and solenoid electric valve is fixed on the outside of front case, and breather plug is installed in the top of front case.
Good effect of the present utility model is that the utilization one-level is slowed down, and makes the speed ratio of mated gear drop to rational ratio, helps improving the life-span of small gear; Input shaft is coaxial with output shaft, helps the car load layout of electric motor coach; Divide shell structure before and after adopting, reduced unnecessary top cover and upper cover part, simple and reasonable; Adopt big capacity synchronizer to improve the fault-free mileage of car load; Adopt solenoid controlled directional control valve control gear shift and electromagnetic speed sensor to help realizing the automatic control of electric motor coach.
Description of drawings:
Fig. 1 is a transmission assembly schematic representation of the present utility model
Fig. 2 is the side schematic view of transmission assembly of the present utility model
Fig. 3 is an input shaft assembly schematic representation of the present utility model
Fig. 4 is an output shaft assembly schematic representation of the present utility model
Fig. 5 is a countershaft assembly schematic representation of the present utility model
Fig. 6 is a synchronizer toothholder tooth cover assembly schematic representation of the present utility model
Fig. 7 is the utility model gear shift control cylinder, reverse shift fork assembly and gear shift control schematic representation
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described: two grades of transmission assemblies of electric motor coach, comprise motor adpting flange 1, front case 2, output shaft assembly 3, breather plug 4, rear case 5, gear shift control cylinder and reverse shift fork assembly 6, output flange 8, countershaft assembly 11, input shaft assembly 12; It is characterized in that: gearbox divides shell structure before and after being formed with rear case 5 by motor adpting flange 1, front case 2; Input shaft assembly 12 is supported by the tapered roller bearing 13 of a pair of back-to-back installation, the front end of output shaft assembly 3 is supported in the endoporus of input shaft by roller, countershaft assembly 11 is installed between front case 2 and the rear case 5 by tapered roller axle 13, and input shaft and output shaft are coaxial; Link to each other with the car load transmission shaft by output flange 8.
Described output shaft assembly 3 adopts big capacity synchronizer; Solenoid controlled directional control valve 15 is fixedly connected on the work of gear box casing upper pipeline lower cylinder and communicates, and gas-tpe fitting 14 is installed in respectively on control cylinder assembly 6, pressure regulator valve 16 and the solenoid electric valve 15.
Gearbox as shown in Figure 1 links together by bolt and the motor of 8 M14X1.5 of motor adpting flange 1 usefulness, 14 M12 bolts of motor adpting flange 1 usefulness of gearbox are realized being connected with speed changer front case 2, motor is connected with the internal spline of input shaft assembly 12 by the splined shaft of motor, input shaft assembly 12 is installed on the front case 2 by the cone bearing 13 of back-to-back installation, countershaft assembly 11 is installed between front case 2 and the rear case 5 by the cone bearing 10 at two ends, output shaft assembly 3 is installed between input shaft assembly 12 and the rear case 5 by the roller bearing 9 that is installed in the roller bearing in the input shaft assembly 12 rear end endoporus and be installed on the rear case 5, gear shifting cylinder and reverse shift fork assembly 6 are by being bolted on the rear case 5, speedometer sensor bonnet oil seal assembly 7 utilizes the rear portion of M12 bolton at rear case 5, output flange 8 is fixed on the output shaft rear end by big nut, and rear case 5 is by the rear end that is bolted to front case 2 of M10.Gas-tpe fitting 14 is installed in respectively on control cylinder assembly 6, pressure regulator valve 16 and the solenoid electric valve 15, and pressure regulator valve 16 is by being bolted to the cylinder outside, and solenoid electric valve 15 usefulness M8 are bolted to the outside of front case 2, and breather plug 4 is installed in the top of front case 2.
Coaxial as Fig. 1,2 input shaft assemblies 12 with output shaft assembly 3; Motor adpting flange 1 has an inner stopper, and there are two kinds of distribution circles in the connecting bolt hole, can connect different motor; Can measure the actual speed of output by counter wheel and sensor, for odometer and Automatic Shift Control system provide data; As shown in Figure 3: input shaft assembly 12 forms one-level by the reduction gear on the countershaft assembly 11 and slows down; Input shaft assembly 12 is installed in the front case 2 by the tapered roller bearing 13 of a pair of back-to-back installation, and this installation method has increased the rigidity of output shaft assembly 3, the distortion when having reduced 3 carryings of output shaft assembly; As shown in Figure 4: synchronizer assembly, synchronizing ring and the gear assembly on the output shaft assembly 3 with on synchronous taper become jumbo synchronizer; As shown in Figure 5: when reduction gear on the countershaft assembly 11 and the design of the gear shaft on the jack shaft, under the prerequisite that guarantees gear life, by changing helix angle, the suffered peripheral force of gear on reduction gear and the gear shaft is reached evenly as far as possible, reduce the power that is transmitted on motor adpting flange 1 and the rear cover assembly 7; Synchronizer sliding gear collar and toothholder installation form are as shown in Figure 6; As shown in Figure 7: be gear shift control cylinder, reverse shift fork and shift control, during vehicle launch, solenoid controlled directional control valve is not charged, pressurized air enters the low-grade district of cylinder by selector valve, the promotion piston moves, move by the reverse shift fork that is connected with piston rod, reverse shift fork drives sliding gear collar, realizes the gear shift function; The Automatic Shift Control system can realize automaitc shfit by the break-make of control solenoid directional control valve.
Claims (2)
1. two grades of transmission assemblies of electric motor coach comprise motor adpting flange (1), front case (2), output shaft assembly (3), breather plug (4), rear case (5), gear shift control cylinder and reverse shift fork assembly (6), output flange (8), countershaft assembly (11), input shaft assembly (12); It is characterized in that: gearbox divides shell structure before and after being formed with rear case (5) by motor adpting flange (1), front case (2); Input shaft assembly (12) is supported by the tapered roller bearing (13) of a pair of back-to-back installation, the front end of output shaft assembly (3) is supported in the endoporus of input shaft by roller, countershaft assembly (11) is installed between front case (2) and the rear case (5) by tapered roller bearing (10), and input shaft and output shaft are coaxial; Link to each other with the car load transmission shaft by output flange (8).
2. two grades of transmission assemblies of electric motor coach according to claim 1 is characterized in that described output shaft assembly (3) adopts big capacity synchronizer; Gas-tpe fitting (14) is installed in respectively on gear shift control cylinder and reverse shift fork assembly (6), pressure regulator valve (16) and the solenoid electric valve (15), pressure regulator valve (16) is by being bolted to the cylinder outside, solenoid electric valve (15) is fixed on the outside of front case (2), and breather plug (4) is installed in the top of front case (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201817021U CN201679916U (en) | 2010-05-07 | 2010-05-07 | Two-gear gearbox assembly for electric bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201817021U CN201679916U (en) | 2010-05-07 | 2010-05-07 | Two-gear gearbox assembly for electric bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201679916U true CN201679916U (en) | 2010-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201817021U Expired - Lifetime CN201679916U (en) | 2010-05-07 | 2010-05-07 | Two-gear gearbox assembly for electric bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201679916U (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338217A (en) * | 2011-07-18 | 2012-02-01 | 吉林大学 | Electric control pneumatic mechanical automatic shift system |
| CN102358204A (en) * | 2011-09-19 | 2012-02-22 | 天津工程机械研究院 | Power transmission device for pure electric loader |
| CN102374277A (en) * | 2010-08-13 | 2012-03-14 | 中国第一汽车集团公司 | Two-file transmission case of electric motor coach |
| CN102966707A (en) * | 2012-11-30 | 2013-03-13 | 綦江齿轮传动有限公司 | Hybrid power transmission |
| CN104179896A (en) * | 2013-05-28 | 2014-12-03 | 重庆铜川科技发展有限公司 | High-low gear conversion decelerator for electric vehicle |
| CN106195143A (en) * | 2016-08-31 | 2016-12-07 | 陕西法士特齿轮有限责任公司 | A kind of two grades of pure electric vehicles list duplex countershaft transmission |
| CN106195256A (en) * | 2016-08-31 | 2016-12-07 | 温岭市明华齿轮有限公司 | A kind of gearshift |
| CN106949198A (en) * | 2017-03-29 | 2017-07-14 | 山东蒙沃变速器有限公司 | A kind of automatic gear-box for Minitype electric lorry |
| CN106958642A (en) * | 2017-05-02 | 2017-07-18 | 苏州江南嘉捷机电技术研究院有限公司 | Electric automobile two-gear automatic speed changing case |
| CN109282019A (en) * | 2018-12-06 | 2019-01-29 | 苏州绿控传动科技股份有限公司 | Triple axle two-shift automatic variable speed device |
| CN109296734A (en) * | 2018-12-06 | 2019-02-01 | 苏州绿控传动科技股份有限公司 | A kind of automotive transmission suitable for bus |
| CN109296711A (en) * | 2018-12-06 | 2019-02-01 | 苏州绿控传动科技股份有限公司 | A kind of triple axle two-shift automatic variable speed device |
| CN109372957A (en) * | 2018-12-05 | 2019-02-22 | 苏州绿控传动科技股份有限公司 | A kind of new energy pure electric automobile speed changer |
| CN109578556A (en) * | 2018-12-06 | 2019-04-05 | 苏州绿控传动科技股份有限公司 | A kind of second gear mechanical vehicle speed transmission |
| CN112303195A (en) * | 2020-11-19 | 2021-02-02 | 特百佳动力科技有限公司 | Electric loader transmission system and electric drive assembly |
-
2010
- 2010-05-07 CN CN2010201817021U patent/CN201679916U/en not_active Expired - Lifetime
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374277A (en) * | 2010-08-13 | 2012-03-14 | 中国第一汽车集团公司 | Two-file transmission case of electric motor coach |
| CN102338217A (en) * | 2011-07-18 | 2012-02-01 | 吉林大学 | Electric control pneumatic mechanical automatic shift system |
| CN102358204A (en) * | 2011-09-19 | 2012-02-22 | 天津工程机械研究院 | Power transmission device for pure electric loader |
| CN102966707A (en) * | 2012-11-30 | 2013-03-13 | 綦江齿轮传动有限公司 | Hybrid power transmission |
| CN104179896A (en) * | 2013-05-28 | 2014-12-03 | 重庆铜川科技发展有限公司 | High-low gear conversion decelerator for electric vehicle |
| CN106195143B (en) * | 2016-08-31 | 2019-06-14 | 陕西法士特齿轮有限责任公司 | A kind of single duplex countershaft transmission of two grades of pure electric vehicles |
| CN106195143A (en) * | 2016-08-31 | 2016-12-07 | 陕西法士特齿轮有限责任公司 | A kind of two grades of pure electric vehicles list duplex countershaft transmission |
| CN106195256A (en) * | 2016-08-31 | 2016-12-07 | 温岭市明华齿轮有限公司 | A kind of gearshift |
| CN106949198A (en) * | 2017-03-29 | 2017-07-14 | 山东蒙沃变速器有限公司 | A kind of automatic gear-box for Minitype electric lorry |
| CN106958642A (en) * | 2017-05-02 | 2017-07-18 | 苏州江南嘉捷机电技术研究院有限公司 | Electric automobile two-gear automatic speed changing case |
| CN106958642B (en) * | 2017-05-02 | 2023-05-02 | 苏州江南嘉捷光机电技术有限公司 | Two-gear automatic gearbox of electric automobile |
| CN109372957A (en) * | 2018-12-05 | 2019-02-22 | 苏州绿控传动科技股份有限公司 | A kind of new energy pure electric automobile speed changer |
| CN109296734A (en) * | 2018-12-06 | 2019-02-01 | 苏州绿控传动科技股份有限公司 | A kind of automotive transmission suitable for bus |
| CN109296711A (en) * | 2018-12-06 | 2019-02-01 | 苏州绿控传动科技股份有限公司 | A kind of triple axle two-shift automatic variable speed device |
| CN109578556A (en) * | 2018-12-06 | 2019-04-05 | 苏州绿控传动科技股份有限公司 | A kind of second gear mechanical vehicle speed transmission |
| CN109282019A (en) * | 2018-12-06 | 2019-01-29 | 苏州绿控传动科技股份有限公司 | Triple axle two-shift automatic variable speed device |
| CN112303195A (en) * | 2020-11-19 | 2021-02-02 | 特百佳动力科技有限公司 | Electric loader transmission system and electric drive assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101222 |
|
| CX01 | Expiry of patent term |