CN205022370U - Rear -mounted electric drive unit of medium -sized [electric] motor coach - Google Patents
Rear -mounted electric drive unit of medium -sized [electric] motor coach Download PDFInfo
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- CN205022370U CN205022370U CN201520565791.2U CN201520565791U CN205022370U CN 205022370 U CN205022370 U CN 205022370U CN 201520565791 U CN201520565791 U CN 201520565791U CN 205022370 U CN205022370 U CN 205022370U
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Abstract
The utility model relates to a rear -mounted electric drive unit of medium -sized [electric] motor coach, the area turns to independent suspension, left wheel, right wheel, rearmounted electric power pack and the independent main differential mechanism that subtracts of function, the independent suspension is fixed to be set up on the frame, and the independent suspension is connected with left wheel and the effect of right wheel, left wheel passes through the universal joint and is connected with the one end of left side exposed drive axle, and the other end of left side exposed drive axle is connected with left flange through the universal joint, right side wheel passes through the universal joint to be connected with the one end of right side exposed drive axle, and the other end of right side exposed drive axle is connected with right flange through the universal joint, the electric power pack of postposition subtracts the differential mechanism cooperation with independent owner and is connected, and left flange and right flange subtract the left side power output shaft and the right side power output shaft flange joint of differential mechanism respectively with independent owner. The utility model discloses reduce unsprung mass, improved passenger's the comfort level of taking.
Description
Technical field
The utility model relates to the driver element of automobile, particularly one medium-sized electrobus postposition type electric driver element.
Background technology
Passenger vehicle has considerable load-carrying capacity (can a large amount of passenger of carrying and cabin baggage thereof) because of it, is often used to public transport and group's transport.The power unit of tradition passenger vehicle is all generally adopt oil-burning machine as driver element, takies a large amount of spaces, thus the bearing space of vehicle is affected.
The independent suspension of tradition passenger vehicle is all generally adopt dependent to hang, and total quality is very large.Meanwhile, the axle drive shaft of traditional passenger vehicle is arranged on inside back axle, which increases the quality of car load.The increase of complete vehicle quality can bring the problem of high energy consumption.
Passenger vehicle is because of its excellent load-carrying capacity, and its individuality is also very huge.When travelling in some comparatively arrow path road, its turn radius is also very large.Thus some comparatively arrow path roads can not be adapted to.
Utility model content
The purpose of this utility model is to provide a kind of compact conformation, reduces car load with momentum, improves the medium-sized electrobus postposition type electric driver element of ride quality.
The technical scheme realizing the utility model object is: the utility model has is with the independent suspension of turning function, left wheel, right wheel, rearmounted Electronmotive Force unit and independent master to subtract diff; Described independent suspension is fixedly installed on vehicle frame, and independent suspension is connected with left wheel and right wheel effect; Described left wheel is connected by universal-joint one end with left side open type transmission shaft, and the other end of left side open type transmission shaft is connected with left butt flange by universal-joint; Described right wheel is connected by universal-joint one end with right side opening type transmission shaft, and the other end of right side opening type transmission shaft is connected with right butt flange by universal-joint; Described rearmounted Electronmotive Force unit comprises motor; Described independent master subtracts diff and comprises casing, is provided with driven ring gear, planetary gear carrier, compound planet gear, power input shaft, left side power output shaft and right side power output shaft in casing; The output shaft of described motor and one end of power input shaft are in transmission connection, and the other end of power input shaft coordinates with driven ring gear transmission; Described planetary gear carrier is fixedly connected on driven ring gear, and compound planet gear is arranged in planetary gear carrier; Described compound planet gear comprises two relatively and the coaxial planetary wheel arranged, and planetary gear rotation is connected on planetary gear carrier; One end of described left side power output shaft is provided with left side gear, and the other end stretches out casing and is fixed with butt flange; One end of described right side power output shaft is provided with right side gear, and the other end stretches out casing and is fixed with butt flange; Described left side power output shaft is coaxial with right side power output shaft; Described left side gear and right side gear all coordinate with compound planet gear transmission; The pivot center of described compound planet gear is vertical with the pivot center of right side gear with left side gear; The butt flange of described left side power output shaft is fixedly connected with left butt flange; The butt flange of described right side power output shaft is fixedly connected with right butt flange; Described rearmounted Electronmotive Force unit and independent master subtract diff and are fixedly connected on vehicle frame.
Above-mentioned rearmounted Electronmotive Force unit also comprises drop-gear box; Train of reduction gears is provided with in described drop-gear box; Described motor is fixedly connected on drop-gear box, and the output shaft of motor stretches into drop-gear box and coordinates with the input gear transmission of train of reduction gears; Described independent master subtracts diff and is fixedly connected on drop-gear box, and one end of power input shaft is stretched into drop-gear box and coordinated with the output gear transmission of train of reduction gears, and the other end of power input shaft coordinates with driven ring gear transmission.
Above-mentioned independent suspension is provided with steering hardware.
Above-mentioned vehicle frame is provided with electro-hydraulic servo active steering apparatus.
Above-mentioned left side power output shaft and right side power output shaft are equipped with bearing; The described independent main inwall subtracting the casing of diff is provided with the bearing fixing sleeve for fixed type bearing; Described bearing fixing sleeve comprises the first semicircle fixed cover and the second semicircle fixed cover; Described first semicircle fixed cover is arranged on the inwall of casing; Described first semicircle fixed cover and casing one-body molded; Described first semicircle fixed cover is provided with connecting bore; Described second semicircle fixed cover is provided with the connecting through hole with connecting bore corresponding matching; Described first semicircle fixed cover and the second semicircle fixed cover to be coordinated with connecting bore through connecting through hole by tie bolt and form bearing fixing sleeve.
The defeated shaft of above-mentioned motor is that spline drived coordinates with the input gear of train of reduction gears; Described power input shaft and the output gear of train of reduction gears are that spline drived coordinates.
The utility model has positive effect: (1) motor of the present utility model, drop-gear box and independent master subtract diff and be rigidly connected, structure is compacter, and be combined with independent suspension, significantly reduce taking up room of electric drive unit, effectively improve car load carrying space; (2) the independent main connection mode subtracting diff and left wheel and right wheel of the present utility model, eliminates rigid drive axle, significantly reduces weight; (3) the utility model adopts independent suspension, can reduce nonspring carried mass, improve car load comfort level; (4) the utility model trailing wheel that can realize vehicle and front-wheel synchronously turn to, and significantly reduce turning-circle diameter, improve alerting ability and the adaptability for working condition of vehicle; (5) bearing fixing sleeve of the present utility model is conducive to the stability of left side power output shaft and right side power output shaft, and when overhauling, dismounting is very convenient; (6) independently main in the utility model subtract diff and can mate different types of power unit, improve interchangeability, facilitate customization.
Accompanying drawing explanation
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is structural representation of the present utility model;
Fig. 2 is rearmounted Electronmotive Force unit and the independent main structural representation subtracting diff in the utility model;
Fig. 3 is the structural representation of left wheel in the utility model, right wheel and independent suspension;
Fig. 4 is the independent main structural representation subtracting diff in the utility model;
Fig. 5 is the structural representation of casing in the utility model.
Detailed description of the invention
See Fig. 1 to Fig. 5, the utility model has is with the independent suspension 1 of turning function, left wheel 2, right wheel 3, rearmounted Electronmotive Force unit 4 and independent master to subtract diff 5; Described independent suspension 1 is fixedly installed on vehicle frame, and independent suspension 1 acts on left wheel 2 and right wheel 3 and being connected; Described left wheel 2 is connected by universal-joint one end with left side open type transmission shaft 6, and the other end of left side open type transmission shaft 6 is connected with left butt flange by universal-joint; Described right wheel 3 is connected by universal-joint one end with right side opening type transmission shaft 7, and the other end of right side opening type transmission shaft 7 is connected with right butt flange by universal-joint; Described rearmounted Electronmotive Force unit 4 comprises motor 41 and drop-gear box 42; Train of reduction gears is provided with in described drop-gear box 42; Described independent master subtracts diff 5 and comprises casing 51, is provided with driven ring gear 52, planetary gear carrier 53, compound planet gear 54, power input shaft 55, left side power output shaft 56 and right side power output shaft 57 in casing 51; Described motor 41 is fixedly connected on drop-gear box 42, and the output shaft of motor 41 stretches into drop-gear box 42 and coordinates with the input gear transmission of train of reduction gears; Described independent master subtracts diff 5 and is fixedly connected on drop-gear box 42, and one end of power input shaft 55 is stretched into drop-gear box 42 and coordinated with the output gear transmission of train of reduction gears, and the other end of power input shaft 55 coordinates with driven ring gear 52 transmission; Described planetary gear carrier 53 is fixedly connected on driven ring gear 52, and compound planet gear 54 is arranged in planetary gear carrier 53; Described compound planet gear 54 comprises two relatively and the coaxial planetary wheel arranged, and planetary gear rotation is connected on planetary gear carrier 53; One end of described left side power output shaft 56 is provided with left side gear, and the other end stretches out casing 51 and is fixed with butt flange; One end of described right side power output shaft 57 is provided with right side gear, and the other end stretches out casing 51 and is fixed with butt flange; Described left side power output shaft 56 is coaxial with right side power output shaft 57; Described left side gear and right side gear all coordinate with compound planet gear 54 transmission; The pivot center of described compound planet gear 54 is vertical with the pivot center of right side gear with left side gear; The butt flange of described left side power output shaft 56 is fixedly connected with left butt flange; The butt flange of described right side power output shaft 57 is fixedly connected with right butt flange; Described rearmounted Electronmotive Force unit 4 and independent master subtract diff 5 and are fixedly connected on vehicle frame.
Described independent suspension 1 is provided with steering hardware; Described vehicle frame is provided with electro-hydraulic servo active steering apparatus.
Described left side power output shaft 56 and right side power output shaft 57 are equipped with bearing; The described independent main inwall subtracting the casing 51 of diff 5 is provided with the bearing fixing sleeve for fixed type bearing; Described bearing fixing sleeve comprises the first semicircle fixed cover 58 and the second semicircle fixed cover 59; Described first semicircle fixed cover 58 is arranged on the inwall of casing 51; Described first semicircle fixed cover 58 is one-body molded with casing 51; Described first semicircle fixed cover 58 is provided with connecting bore; Described second semicircle fixed cover 59 is provided with the connecting through hole with connecting bore corresponding matching; Described first semicircle fixed cover 58 and the second semicircle fixed cover 59 to be coordinated with connecting bore through connecting through hole by tie bolt and form bearing fixing sleeve.
The output shaft of described motor 41 and the input gear of train of reduction gears are that spline drived coordinates; Described power input shaft 55 and the output gear of train of reduction gears are that spline drived coordinates.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a medium-sized electrobus postposition type electric driver element, has the independent suspension (1) of band turning function, left wheel (2), right wheel (3), rearmounted Electronmotive Force unit (4) and independent master and subtracts diff (5); Described independent suspension (1) is fixedly installed on vehicle frame, and independent suspension (1) acts on left wheel (2) and right wheel (3) and being connected; Described left wheel (2) is connected by universal-joint one end with left side open type transmission shaft (6), and the other end of left side open type transmission shaft (6) is connected with left butt flange by universal-joint; Described right wheel (3) is connected by universal-joint one end with right side opening type transmission shaft (7), and the other end of right side opening type transmission shaft (7) is connected with right butt flange by universal-joint; It is characterized in that: described rearmounted Electronmotive Force unit (4) comprises motor (41); Described independent master subtracts diff (5) and comprises casing (51), is provided with driven ring gear (52), planetary gear carrier (53), compound planet gear (54), power input shaft (55), left side power output shaft (56) and right side power output shaft (57) in casing (51); The output shaft of described motor (41) and one end of power input shaft (55) are in transmission connection, and the other end of power input shaft (55) coordinates with driven ring gear (52) transmission; Described planetary gear carrier (53) is fixedly connected on driven ring gear (52), and compound planet gear (54) is arranged in planetary gear carrier (53); Described compound planet gear (54) comprises two relatively and the coaxial planetary wheel arranged, and planetary gear rotation is connected on planetary gear carrier (53); One end of described left side power output shaft (56) is provided with left side gear, and the other end stretches out casing (51) and is fixed with butt flange; One end of described right side power output shaft (57) is provided with right side gear, and the other end stretches out casing (51) and is fixed with butt flange; Described left side power output shaft (56) is coaxial with right side power output shaft (57); Described left side gear and right side gear all coordinate with compound planet gear (54) transmission; The pivot center of described compound planet gear (54) is vertical with the pivot center of right side gear with left side gear; The butt flange of described left side power output shaft (56) is fixedly connected with left butt flange; The butt flange of described right side power output shaft (57) is fixedly connected with right butt flange; Described rearmounted Electronmotive Force unit (4) and independent master subtract diff (5) and are fixedly connected on vehicle frame.
2. medium-sized electrobus postposition type electric driver element according to claim 1, is characterized in that: described rearmounted Electronmotive Force unit (4) also comprises drop-gear box (42); Described drop-gear box is provided with train of reduction gears in (42); Described motor (41) is fixedly connected on drop-gear box (42), and the output shaft of motor (41) stretches into drop-gear box (42) and coordinates with the input gear transmission of train of reduction gears; Described independent master subtracts diff (5) and is fixedly connected on drop-gear box (42), one end of power input shaft (55) is stretched into drop-gear box (42) and is coordinated with the output gear transmission of train of reduction gears, and the other end of power input shaft (55) coordinates with driven ring gear (52) transmission.
3. medium-sized electrobus postposition type electric driver element according to claim 2, is characterized in that: described independent suspension (1) is provided with steering hardware.
4. medium-sized electrobus postposition type electric driver element according to claim 3, is characterized in that: described vehicle frame is provided with electro-hydraulic servo active steering apparatus.
5. medium-sized electrobus postposition type electric driver element according to claim 4, is characterized in that: described left side power output shaft (56) and right side power output shaft (57) are equipped with bearing; The described independent main inwall subtracting the casing (51) of diff (5) is provided with the bearing fixing sleeve for fixed type bearing; Described bearing fixing sleeve comprises the first semicircle fixed cover (58) and the second semicircle fixed cover (59); Described first semicircle fixed cover (58) is arranged on the inwall of casing (51); Described first semicircle fixed cover (58) is one-body molded with casing (51); Described first semicircle fixed cover (58) is provided with connecting bore; Described second semicircle fixed cover (59) is provided with the connecting through hole with connecting bore corresponding matching; Described first semicircle fixed cover (58) and the second semicircle fixed cover (59) to be coordinated with connecting bore through connecting through hole by tie bolt and form bearing fixing sleeve.
6. medium-sized electrobus postposition type electric driver element according to claim 5, is characterized in that: the output shaft of described motor (41) and the input gear of train of reduction gears are that spline drived coordinates; Described power input shaft (55) and the output gear of train of reduction gears are that spline drived coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520565791.2U CN205022370U (en) | 2015-07-30 | 2015-07-30 | Rear -mounted electric drive unit of medium -sized [electric] motor coach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520565791.2U CN205022370U (en) | 2015-07-30 | 2015-07-30 | Rear -mounted electric drive unit of medium -sized [electric] motor coach |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205022370U true CN205022370U (en) | 2016-02-10 |
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ID=55254934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520565791.2U Active CN205022370U (en) | 2015-07-30 | 2015-07-30 | Rear -mounted electric drive unit of medium -sized [electric] motor coach |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205022370U (en) |
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2015
- 2015-07-30 CN CN201520565791.2U patent/CN205022370U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |