CN207064620U - A kind of electric automobile bi-motor speed reducer assembly device - Google Patents
A kind of electric automobile bi-motor speed reducer assembly device Download PDFInfo
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- CN207064620U CN207064620U CN201720887701.0U CN201720887701U CN207064620U CN 207064620 U CN207064620 U CN 207064620U CN 201720887701 U CN201720887701 U CN 201720887701U CN 207064620 U CN207064620 U CN 207064620U
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- gear
- input shaft
- preceding casing
- socketed
- electric automobile
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Abstract
The utility model discloses a kind of electric automobile bi-motor speed reducer assembly device, including preceding casing, the side of the preceding casing is fixedly connected with rear box, input shaft is interspersed with the preceding casing, two clutch shaft bearings are socketed with the input shaft and in preceding casing, driving gear is socketed with the input shaft and between two clutch shaft bearings, the driving gear engages with countershaft-gear, it is interspersed with jackshaft at the axle center of the countershaft-gear, the both sides of the both ends of the jackshaft respectively with preceding cabinet wall are flexibly connected.The utility model passes through the improvement to input shaft, and both ends of the output end of two small machines respectively with two input shafts are connected, the power sum of two small machines reaches powerful requirement, the appearance and size of low-power machine is smaller, two-sided arrangement can save the height space on vehicle chassis and utilize sufficient width spaces, realize that vehicle high power requirements get both with vehicle compact Layout.
Description
Technical field
Technical field of automobile accessories is the utility model is related to, specially a kind of electric automobile bi-motor speed reducer assembly dress
Put.
Background technology
Decelerator plays a part of to match rotating speed between prime mover and working machine or executing agency and transmits torque, in the modern times
Using extremely wide in machinery.Decelerator can be divided into universal speed reducer and speed reducer dedicated two major class by purposes, both designs,
Manufacture and handling characteristics are different
At present, domestic speed reducer for electric vehicle uses single motor reducer, in the vehicle for needing to use heavy-duty motor, deposits
In problem：Heavy-duty motor appearance and size is big, it is necessary to take larger automobile chassis space, and some vehicle chassis insufficient spaces
To arrange heavy-duty motor, result is can not to arrange or increase the forced matching of configuration design, can not realize high-power and vehicle
Compact Layout gets both, for the restriction of electric car development.
Utility model content
(1) technical problem solved
In view of the shortcomings of the prior art, the utility model provides a kind of electric automobile bi-motor speed reducer assembly device,
Solve the problems, such as to realize and high-power got both with vehicle compact Layout.
(2) technical scheme
To achieve the above object, the utility model provides following technical scheme：A kind of electric automobile bi-motor decelerator is total
Into device, including preceding casing, the side of the preceding casing is fixedly connected with rear box, and input shaft is interspersed with the preceding casing,
Be socketed with two clutch shaft bearings on the input shaft and in the preceding casing, on the input shaft and positioned at two clutch shaft bearings it
Between be socketed with driving gear, the driving gear engages with countershaft-gear, in being interspersed with the axle center of the countershaft-gear
Countershaft, the both sides of the both ends of the jackshaft respectively with preceding cabinet wall are flexibly connected, close to jackshaft tooth on the jackshaft
The side of wheel is socketed with driven gear, and the is socketed with the jackshaft and positioned at the both sides of countershaft-gear and driven gear
Two bearings, and two second bearings are embedded in the both sides of rear box inwall respectively, the driven gear engages with final gear,
Be interspersed with rotating shaft at the axle center of the final gear, the both ends of the rotating shaft respectively with it is movable at the axle center of two conical bearings
Connection, and the opposite side of two conical bearings is embedded in the both sides of rear box inwall, the countershaft-gear and differential respectively
Device assembly is engaged, and the differential assembly is socketed in rotating shaft.
Preferably, velocity sensor is fixedly connected with the top of the preceding casing, and before the bottom of velocity sensor is located at
The right side of casing top.
Preferably, the preceding casing side is shaped as arc, and the both ends of input shaft are respectively positioned at preceding casing both sides
At axle center.
Preferably, the differential assembly is shaped as L-shaped, and the side of differential assembly is overlapped on final gear
Side.
Preferably, the input shaft is interspersed at the axle center of driving gear, and input is socketed at the axle center of clutch shaft bearing
On axle.
(3) beneficial effect
The utility model provides a kind of electric automobile bi-motor speed reducer assembly device.Possesses following beneficial effect：
(1), the utility model passes through the improvement to input shaft, decelerator two sides respectively one small machine of connection, and two
Both ends of the output end of individual small machine respectively with two input shafts are connected, and the power sum of two small machines, which reaches powerful, to be made
With requiring, the appearance and size of low-power machine is smaller, and two-sided arrangement can save the height space on vehicle chassis and utilize sufficient
Width spaces, realize that vehicle high power requirements get both with vehicle compact Layout.
(2), the utility model can select powerful parameter and compact cloth according to requirements in entire vehicle design
Body structure is put, the performance of electric automobile is more optimized, so as to increase the market competitiveness.
Brief description of the drawings
Fig. 1 is the positive sectional view of the utility model structure；
Fig. 2 is casing before the utility model structure and the top view inside rear box.
In figure：Casing, 2 input shafts, 3 clutch shaft bearings, 4 driving gears, 5 countershaft-gears, 6 jackshafts, 7 driven tooths before 1
Wheel, 8 second bearings, 9 final gears, 10 rotating shafts, 11 conical bearings, 12 differential assemblies, 13 rear box, 14 velocity pick-ups
Device.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in Figure 1-2, the utility model provides a kind of technical scheme：A kind of electric automobile bi-motor speed reducer assembly dress
Put, including preceding casing 1, the side of preceding casing 1 are fixedly connected with rear box 13, input shaft 2, preceding casing 1 are interspersed with preceding casing 1
Side is shaped as arc, and the both ends of input shaft 2 are located at the axle center of the preceding both sides of casing 1 respectively, so as to which input shaft 2 can be steady
Rotated in casing 1 before being scheduled on, be socketed with two clutch shaft bearings 3 on input shaft 2 and in preceding casing 1, on input shaft 2 and be located at
Driving gear 4 is socketed between two clutch shaft bearings 3, input shaft 2 is interspersed at the axle center of driving gear 4, and clutch shaft bearing 3
It is socketed at axle center on input shaft 2, driving gear 4 engages with countershaft-gear 5, by by clutch shaft bearing 3 and driving gear 4
It is socketed at axle center on input shaft 2, the stable rotation of driving gear 4 can be made, so as to make the stable rotation of countershaft-gear 5,
Jackshaft 6 is interspersed with the axle center of countershaft-gear 5, the both ends of jackshaft 6 are movable even with the both sides of the preceding inwall of casing 1 respectively
Connect, the side on jackshaft 6 close to countershaft-gear 5 is socketed with driven gear 7, on jackshaft 6 and is located at the He of countershaft-gear 5
The both sides of driven gear 7 are socketed with second bearing 8, and two second bearings 8 are embedded in the both sides of the inwall of rear box 13 respectively,
The model of clutch shaft bearing 3 and second bearing 8 is respectively 6306-RS/P6 and 6407-RS/P6, driven gear 7 and final gear 9
Engagement, is interspersed with rotating shaft 10 at the axle center of final gear 9, the both ends of rotating shaft 10 respectively with the axle center of two conical bearings 11
It is flexibly connected, and the opposite side of two conical bearings 11 is embedded in the both sides of the inwall of rear box 13 respectively, conical bearing 11
Model 25572/25520, countershaft-gear 5 are engaged with differential assembly 12, and differential assembly 12 is socketed in rotating shaft 10, poor
Fast device assembly 12 is shaped as L-shaped, and the side of differential assembly 12 is overlapped on the side of final gear 9, the top of preceding casing 1
Portion is fixedly connected with velocity sensor 14, and right side of the bottom of velocity sensor 14 at the top of preceding casing 1, by input
The improvement of axle 2, each one small machine of connection in decelerator two sides, and the output end of two small machines respectively with two input shafts
2 both ends connection, the power sums of two small machines reach powerful requirement, the appearance and size of low-power machine compared with
Small, two-sided arrangement can save the height space on vehicle chassis and utilize sufficient width spaces, realize vehicle high power requirements
Got both with vehicle compact Layout, powerful parameter and compact Layout car can be selected according to requirements in entire vehicle design
Body structure, the performance of electric automobile is set more to optimize, so as to increase the market competitiveness.
Operation principle：Power installed in two motors at decelerator both ends passes through motor output shaft internal spline and decelerator
The both ends external splines of input shaft 2 connect be delivered to input shaft 2 respectively, now, the moment of torsion that input shaft 2 is born is two motors
Moment of torsion sum, the driving gear 4 on input shaft 2 are meshed with countershaft-gear 5, because jackshaft 6 and countershaft-gear 5 are one
Overall, power will be delivered on jackshaft 6 from input shaft 2, and because on the driven gear 7 on jackshaft 6 and differential assembly 12
Final gear 9 be meshed, and driven gear 7 is different from the number of teeth of final gear 9, so power realizes the change of rotating speed
Export and power and rotating speed are exported by the splined hole at both ends, realize decelerator to differential assembly 12, the component of differential assembly 12
Function.
It can to sum up obtain, the electric automobile bi-motor speed reducer assembly device, pass through the improvement to input shaft 2, a deceleration
Device two sides respectively one small machine of connection, and both ends of the output end of two small machines respectively with two input shafts 2 are connected is two small
The power sum of motor reaches powerful requirement, and the appearance and size of low-power machine is smaller, and two-sided arrangement can save
The height space on vehicle chassis and utilize sufficient width spaces, realize that vehicle high power requirements get both with vehicle compact Layout,
Powerful parameter and compact Layout body structure can be selected according to requirements in entire vehicle design, make electric automobile
Performance more optimizes, so as to increase the market competitiveness.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of electric automobile bi-motor speed reducer assembly device, including preceding casing (1), it is characterised in that：The preceding casing (1)
Side be fixedly connected with rear box (13), be interspersed with input shaft (2) on the preceding casing (1), on the input shaft (2) and position
It is socketed with two clutch shaft bearings (3) in the preceding casing (1), is covered on the input shaft (2) and between two clutch shaft bearings (3)
Driving gear (4) is connected to, the driving gear (4) is engaged with countershaft-gear (5), at the axle center of the countershaft-gear (5)
It is interspersed with jackshaft (6), the both sides of the both ends of the jackshaft (6) respectively with preceding casing (1) inwall are flexibly connected, the centre
Side on axle (6) close to countershaft-gear (5) is socketed with driven gear (7), on the jackshaft (6) and is located at jackshaft tooth
The both sides of wheel (5) and driven gear (7) are socketed with second bearing (8), and two second bearings (8) are embedded in rear box respectively
(13) both sides of inwall, the driven gear (7) are engaged with final gear (9), are worn at the axle center of the final gear (9)
Rotating shaft (10) is inserted with, the both ends of the rotating shaft (10) are flexibly connected with the axle center of two conical bearings (11) respectively, and two
The opposite side of conical bearing (11) is embedded in the both sides of rear box (13) inwall, the countershaft-gear (5) and differential respectively
Device assembly (12) is engaged, and the differential assembly (12) is socketed in rotating shaft (10).
A kind of 2. electric automobile bi-motor speed reducer assembly device according to claim 1, it is characterised in that：The preceding case
Velocity sensor (14) is fixedly connected with the top of body (1), and the bottom of velocity sensor (14) is located at the top of preceding casing (1)
Right side.
A kind of 3. electric automobile bi-motor speed reducer assembly device according to claim 1, it is characterised in that：The preceding case
Body (1) side is shaped as arc, and the both ends of input shaft (2) are located at the axle center of preceding casing (1) both sides respectively.
A kind of 4. electric automobile bi-motor speed reducer assembly device according to claim 1, it is characterised in that：The differential
Device assembly (12) is shaped as L-shaped, and the side of differential assembly (12) is overlapped on the side of final gear (9).
A kind of 5. electric automobile bi-motor speed reducer assembly device according to claim 1, it is characterised in that：The input
Axle (2) is interspersed at the axle center of driving gear (4), and is socketed at the axle center of clutch shaft bearing (3) on input shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720887701.0U CN207064620U (en) | 2017-07-20 | 2017-07-20 | A kind of electric automobile bi-motor speed reducer assembly device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720887701.0U CN207064620U (en) | 2017-07-20 | 2017-07-20 | A kind of electric automobile bi-motor speed reducer assembly device |
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| Publication Number | Publication Date |
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| CN207064620U true CN207064620U (en) | 2018-03-02 |
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| CN201720887701.0U Active CN207064620U (en) | 2017-07-20 | 2017-07-20 | A kind of electric automobile bi-motor speed reducer assembly device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110839567A (en) * | 2019-12-11 | 2020-02-28 | 清远清农电商有限公司 | Automatic change feeding equipment of raising chickens |
-
2017
- 2017-07-20 CN CN201720887701.0U patent/CN207064620U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110839567A (en) * | 2019-12-11 | 2020-02-28 | 清远清农电商有限公司 | Automatic change feeding equipment of raising chickens |
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