CN203752867U - Front drive axle for low-speed pure electric vehicle - Google Patents
Front drive axle for low-speed pure electric vehicle Download PDFInfo
- Publication number
- CN203752867U CN203752867U CN201420166669.3U CN201420166669U CN203752867U CN 203752867 U CN203752867 U CN 203752867U CN 201420166669 U CN201420166669 U CN 201420166669U CN 203752867 U CN203752867 U CN 203752867U
- Authority
- CN
- China
- Prior art keywords
- vehicle body
- mounting bracket
- swing arm
- subframe
- steering
- 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
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 239000003381 stabilizer Substances 0.000 claims description 8
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 abstract 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Abstract
A front drive axle for a low-speed pure electric vehicle comprises an auxiliary frame (1), wherein the auxiliary frame (1) is connected with a vehicle body, a steering engine (2) is fixedly connected onto the auxiliary frame (1), one end of a motor (3) is connected with the vehicle body through a first suspension (6) and a second suspension (7), the other end of the motor (3) is fixedly connected with a transmission (4), the other end of the transmission (4) is connected with the vehicle body through a third suspension, an output shaft of the transmission (4) is connected with a universal transmission device (8) through a spline, the other end of the universal transmission device (8) is in sleeved connection with a steering knuckle (9) and then is connected with a rim connecting flange (10) through the spline, and the auxiliary frame (1) has no bearing role on a power assembly and belongs to a semi-bearing type front drive axle. Compared with the prior art, the structural design of the front drive axle for the low-speed pure electric vehicle is simplified, the cost is low, the whole vehicle weight is greatly reduced, the transmission efficiency is improved, and the service life of a transmission shaft is prolonged.
Description
Technical field
The utility model belongs to vehicle technology field, is specifically related to half bearing-type front driving axle for a kind of low speed pure electric vehicle.
Background technology
The research and development of current domestic low speed pure electric vehicle still belong to the starting stage, conventionally the design of the propons of low speed pure electric vehicle is with reference to the form of orthodox car, but because driving engine reason has, weight is large, volume is large in traditional car propons design, complex structure, intensity is high, adopts in a large number blanked part, manufacturing cost is high, the feature that universalization is low, is applied on low-speed pure electric automobile and can reduces its dynamic property, increases its productive costs.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of low speed pure electric vehicle front driving axle of lightweight, simple in structure, low cost of manufacture.
A kind of low speed pure electric vehicle front driving axle, comprise subframe (1), described subframe (1) is connected with vehicle body, steering box (2) is fixedly attached on subframe (1), motor (3) one end by first suspend (6) and second suspend (7) be connected with vehicle body, the other end of motor (3) is fixedly connected with change-speed box (4), change-speed box (4) other end by the 3rd suspend (5) be connected with vehicle body, the mouth of change-speed box (4) is by spline joint universal driving device (8), the socket of described universal driving device (8) other end is passed through spline joint wheel rim butt flange (10) after steering swivel (9) is set, the lower end of the upper end grafting fixed buffer (11) of described steering swivel (9), the upper end of described shock absorber (11) is connected with vehicle body by subpanel, the lower end of steering swivel (9) connects lower swing arm (12) by the ball pin arranging, described lower swing arm (12) is by the lining auxiliary connection vehicle frame (1) arranging, the track arm of steering swivel (9) connects steering box (2) by the ball pin arranging, one end of trailing arm (13) is connected with subframe (1), the other end of trailing arm (13) and stabilizer rod (14) are fixed on vehicle body jointly, stabilizer rod (14) is connected by lining (15) with lower swing arm (12).
Subframe (1) without carrying effect, belongs to half bearing-type front driving axle to dynamic assembly.
For expendable weight, simplified structure, described subframe (1) comprises U-shaped Guan Liang (102), the leg end outside, the left side of U-shaped Guan Liang (102) is fixed with left vehicle body mounting bracket (101), the leg end outside, the right of U-shaped Guan Liang (102) is fixed with right vehicle body mounting bracket (106), and left vehicle body mounting bracket (101) and right vehicle body mounting bracket (106) are bolted with vehicle body respectively; The outside of U-shaped Guan Liang (102) two leg bottoms is fixed with respectively left front swing arm mounting bracket (103) and right front swing arm mounting bracket (105), and left front swing arm mounting bracket (103) and right front swing arm mounting bracket (105) are bolted with lower swing arm (12) respectively; U-shaped Guan Liang (102) fixes two steering box mount pads (104) in bottom, and steering box (2) is bolted on steering box mount pad (104).
Described change-speed box (4) is the single-stage planetary gear transmission with diff.
Compared with prior art, the beneficial effects of the utility model are: 1, the auxiliary frame structure of U-shaped pipe girder construction is simple, lightweight, take up room little, with low cost.Weight-saving front driving axle, simplified structure design, with low cost, and greatly alleviated complete vehicle weight; 2, dynamic assembly is directly installed on vehicle body by suspending, and has obviously reduced the stressed of subframe; 3, trailing arm and stabilizer rod have both been arranged on vehicle body jointly from structural reinforcing the stressed of subframe, have guaranteed again the lateral stability of car load; 4, transmission of power, from distributed amongst, has improved the service life of driving efficiency and transmission shaft.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model structural representation;
Fig. 3 is stabilizer rod and lower swing arm connection structure schematic diagram;
Fig. 4 is auxiliary frame structure schematic diagram.
The specific embodiment
As shown in Figure 1, a kind of low speed pure electric vehicle front driving axle, comprise subframe 1, described subframe 1 is connected with vehicle body, 1 pair of dynamic assembly of described subframe is without carrying effect, steering box 2 is fixedly attached on subframe 1, motor 3 one end suspend and 6 and second suspend and 7 be connected with vehicle body by first, the other end of motor 3 is fixedly connected with change-speed box 4, change-speed box 4 other ends suspend and 5 are connected with vehicle body by the 3rd, the mouth of change-speed box 4 is by spline joint universal driving device 8, after arranging steering swivel 9, described universal driving device 8 other end sockets pass through spline joint wheel rim butt flange 10.As shown in Figure 2, the lower end of the upper end grafting fixed buffer 11 of described steering swivel 9, the upper end of described shock absorber 11 is connected with vehicle body by subpanel, and the lower end of steering swivel 9 connects lower swing arm 12 by the ball pin arranging, and described lower swing arm 12 is by the lining auxiliary connection vehicle frame 1 arranging.As shown in Figure 1, the track arm of steering swivel 9 connects steering box 2 by the ball pin arranging, and one end of trailing arm 13 is connected with subframe 1, and the other end of trailing arm 13 and stabilizer rod 14 are fixed on vehicle body jointly.As shown in Figure 3, stabilizer rod 14 is connected by lining 15 with lower swing arm 12.
As shown in Figure 4, described subframe 1 comprises U-shaped pipe beam 102, the leg end outside, the left side of U-shaped pipe beam 102 is fixed with left vehicle body mounting bracket 101, the leg end outside, the right of U-shaped pipe beam 102 is fixed with right vehicle body mounting bracket 106, the outside of 102 liang of leg bottoms of U-shaped pipe beam is fixed with respectively left front swing arm mounting bracket 103 and right front swing arm mounting bracket 105, and two steering box mount pads 104 are fixed in U-shaped pipe beam 102 bottoms; Subframe both sides are about middle symmetrical.Described subframe 1 is connected with vehicle body with right vehicle body mounting bracket 106 by the left vehicle body mounting bracket 101 at U-shaped pipe beam 102 two ends.
The U-shaped pipe beam 102 of subframe passes through tool locating weld together with other part.During use, by left vehicle body mounting bracket 101, right vehicle body mounting bracket 106, be bolted with vehicle body; Left front swing arm mounting bracket 103, right front swing arm mounting bracket 105 are bolted with lower swing arm 12; Steering box 2 is bolted on steering box mount pad 104.
Described change-speed box 4 is the single-stage planetary gear transmission with diff.
Claims (3)
1. a low speed pure electric vehicle front driving axle, comprise subframe (1), it is characterized in that, described subframe (1) is connected with vehicle body, steering box (2) is fixedly attached on subframe (1), motor (3) one end by first suspend (6) and second suspend (7) be connected with vehicle body, the other end of motor (3) is fixedly connected with change-speed box (4), change-speed box (4) other end by the 3rd suspend (5) be connected with vehicle body, the mouth of change-speed box (4) is by spline joint universal driving device (8), the socket of described universal driving device (8) other end is passed through spline joint wheel rim butt flange (10) after steering swivel (9) is set, the lower end of the upper end grafting fixed buffer (11) of described steering swivel (9), the upper end of described shock absorber (11) is connected with vehicle body by subpanel, the lower end of steering swivel (9) connects lower swing arm (12) by the ball pin arranging, described lower swing arm (12) is by the lining auxiliary connection vehicle frame (1) arranging, the track arm of steering swivel (9) connects steering box (2) by the ball pin arranging, one end of trailing arm (13) is connected with subframe (1), the other end of trailing arm (13) and stabilizer rod (14) are fixed on vehicle body jointly, stabilizer rod (14) is connected by lining (15) with lower swing arm (12).
2. low speed pure electric vehicle front driving axle according to claim 1, it is characterized in that, described subframe (1) comprises U-shaped Guan Liang (102), the leg end outside, the left side of U-shaped Guan Liang (102) is fixed with left vehicle body mounting bracket (101), the leg end outside, the right of U-shaped Guan Liang (102) is fixed with right vehicle body mounting bracket (106), and left vehicle body mounting bracket (101) and right vehicle body mounting bracket (106) are bolted with vehicle body respectively; The outside of U-shaped Guan Liang (102) two leg bottoms is fixed with respectively left front swing arm mounting bracket (103) and right front swing arm mounting bracket (105), and left front swing arm mounting bracket (103) and right front swing arm mounting bracket (105) are bolted with lower swing arm (12) respectively; U-shaped Guan Liang (102) fixes two steering box mount pads (104) in bottom, and steering box (2) is bolted on steering box mount pad (104).
3. low speed pure electric vehicle front driving axle according to claim 2, is characterized in that, described change-speed box (4) is the single-stage planetary gear transmission with diff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420166669.3U CN203752867U (en) | 2014-04-08 | 2014-04-08 | Front drive axle for low-speed pure electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420166669.3U CN203752867U (en) | 2014-04-08 | 2014-04-08 | Front drive axle for low-speed pure electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203752867U true CN203752867U (en) | 2014-08-06 |
Family
ID=51248174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420166669.3U Expired - Lifetime CN203752867U (en) | 2014-04-08 | 2014-04-08 | Front drive axle for low-speed pure electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203752867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105270092A (en) * | 2015-10-23 | 2016-01-27 | 陕西东铭车辆系统股份有限公司 | Electric autombile driving axle with crank arm bearing beam structure |
-
2014
- 2014-04-08 CN CN201420166669.3U patent/CN203752867U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105270092A (en) * | 2015-10-23 | 2016-01-27 | 陕西东铭车辆系统股份有限公司 | Electric autombile driving axle with crank arm bearing beam structure |
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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: 20140806 |