CN203666301U - Disconnected type drive axle suspension system for electric bus - Google Patents
Disconnected type drive axle suspension system for electric bus Download PDFInfo
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- CN203666301U CN203666301U CN201320879705.6U CN201320879705U CN203666301U CN 203666301 U CN203666301 U CN 203666301U CN 201320879705 U CN201320879705 U CN 201320879705U CN 203666301 U CN203666301 U CN 203666301U
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- suspension system
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- axle suspension
- suspension
- down arm
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Abstract
The utility model relates to a disconnected type drive axle suspension system for an electric bus. The drive axle suspension system comprises a left suspension and a right suspension. The left suspension and the right suspension are the same in structure and respectively comprise a supporting arm. The upper portions of the supporting arms are connected with a frame through upper swing arms. The lower portions of the supporting arms are connected with the frame through lower swing arms. The upper swing arms and the lower swing arms are horizontally arranged in the longitudinal direction. The outer sides of the supporting arms are connected with wheel edge structures. The upper ends of the supporting arms are provided with airbag bases. The lower ends of airbags are arranged on the airbag bases. The upper ends of the airbags are connected with the bottom surface of the frame. The lower end of a damper is connected with the supporting arms. The upper end of the damper is connected with the frame. A motor and the axle suspension system are integrated by utilizing the wheel-edge motor direct driving technology, a rigid axle system is replaced by the independent suspensions, and the left wheels and the right wheels of the independent suspensions move independently. In this way, the running smoothness of the bus can be improved, a passage of the bus is wider, a floor is lower, passengers can get on/off conveniently, and therefore the operation capability of the bus is improved.
Description
technical field:
The utility model relates to electrobus technical field, is specifically related to a kind of electric motor coach automotive divided axle suspension system.
background technology:
In recent years, weather constantly worsens, air pollution index is constantly soaring, how to reduce auto emission and progressively obtain social extensive concern, technical personnel is through making great efforts for many years to develop the pure electric coach of non-pollution discharge for this reason, for promoting the development of pure electric coach of non-pollution discharge, country has also put into effect the subsidy policy of multiple new-energy automobiles successively, pure electric coach technology is more widely used, along with the development of pure electric coach technology, people are being closed the safety performance of pure electric coach, when the problems such as course continuation mileage, also more start to pay close attention to the comfort property of pure electric coach, the problems such as smooth-going performance and maximum operation ability, what the drive axle of existing pure electric coach still adopted is rigid bridge, rigidity driving axle connects left and right wheels as a whole, the passenger vehicle of Integral rigid drive axle has ground plate hight, passage is narrow, the shortcomings such as rigidity is large, ground plate hight causes passenger getting on/off inconvenience, especially the elderly is very inconvenient by bus, also there is certain danger, the narrow passenger vehicle operation ability that causes of passage is low, be unfavorable for the development in urban public transport field, the large cushioning ability of rigidity is poor, passenger takes uncomfortable.The problems such as shortcoming such as ground plate hight, passage is narrow, rigidity is large have seriously restricted the development of pure electric coach.
utility model content:
In sum, in order to overcome the deficiency of prior art problem, the utility model provides a kind of electric motor coach automotive divided axle suspension system, it be with wheel motor directly the technology of driving realize the integrated of motor and vehicle bridge suspension system, by the alternative rigid bridge system of two trailing arm independent suspension systems, because the left and right wheels of independent suspension system is self-movement, can improve the ride comfort of car load.Between about independent suspension system, do not connect, make that car load passage is wider, floor is lower, thereby facilitate passenger getting on/off, improve the operation ability of pure electric coach, improve traveling comfort, ride comfort and the operation ability of pure electric coach.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of electric motor coach automotive divided axle suspension system, wherein: comprise left suspension and right suspension, left suspension is identical with right suspension frame structure, include hold-down arm, top link, lower swing arm, wheel limit structure, air bag, air-bag base, bumper and drg, the top of described hold-down arm is connected with vehicle frame by top link, the bottom of hold-down arm is connected with vehicle frame by lower swing arm, top link and lower swing arm level are longitudinally arranged, the outside of hold-down arm is connected with wheel limit structure, the upper end of hold-down arm arranges air-bag base, air bag lower end is arranged on air-bag base, the upper end of air bag is connected with vehicle frame bottom surface, the lower end of bumper is connected with hold-down arm, the upper end of bumper is connected with vehicle frame.
Further, on described hold-down arm, be fixed with motor, the output shaft of motor is connected with the input shaft of retarder, and the input shaft of retarder is connected with wheel limit structure, and motor rotates by retarder drive wheel limit structure.
Further, described top link is identical with lower suspension arm structure, is " A " font structure.
Further, in described wheel limit structure, be provided with drg.
Further, described top link, lower swing arm are connected by rubber shaft bearing respectively with hold-down arm.
Further, described top link, lower swing arm are connected by rubber shaft bearing respectively with vehicle frame.
The beneficial effects of the utility model are:
1, the utility model be with wheel motor directly the technology of driving realize the integrated of motor and vehicle bridge suspension system, by the alternative rigid bridge system of two trailing arm independent suspension systems, because the left and right wheels of independent suspension system is self-movement, can improve the ride comfort of car load.Between about independent suspension system, do not connect, make that car load passage is wider, floor is lower, thereby facilitate passenger getting on/off, improve the operation ability of pure electric coach, improve traveling comfort, ride comfort and the operation ability of pure electric coach.
2, the utility model all arranges motor respectively on left suspension and right suspension, motor directly drives left wheel and right vehicle wheel rotation after slowing down by retarder, thereby drive passenger vehicle to advance, realize the differential of left and right wheel by electric machine control, cancel the middle bridge bag of conventional drive bridge, thereby realized the breakaway-element design of passenger vehicle drive axle.
3, the utility model adopts air bag as elastic carrier element, to obtain suitable suspension rate, effectively reduces suspension system offset frequency, and then obtains better car load ride comfort and traveling comfort.
4, the utility model compact conformation, passage crossing ability is good, and assembling is convenient, makes resource obtain rationalizing and uses; On the basis of the reliability requirement using in guarantee system, optimize parts design, rationally reduce weight, reach the object that reduces vehicle operating cost.
brief description of the drawings:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A cross-sectional schematic of the utility model Fig. 1.
detailed description of the invention:
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As Fig. 1, shown in Fig. 2, a kind of electric motor coach automotive divided axle suspension system, comprise left suspension and right suspension, left suspension is identical with right suspension frame structure, include hold-down arm 4, top link 9, lower swing arm 11, wheel limit structure 8, air bag 2, air-bag base 3, bumper 6 and drg 7, the top of described hold-down arm 4 is connected with vehicle frame 1 by top link 9, top link 9 and hold-down arm 4, vehicle frame 1 connects by rubber shaft bearing respectively, the bottom of hold-down arm 4 is connected with vehicle frame 1 by lower swing arm 11, lower swing arm 11 and hold-down arm 4, vehicle frame 1 connects by rubber shaft bearing respectively, top link 9 is longitudinally arranged with lower swing arm 11 levels, top link 9 is identical with lower swing arm 11 structures, be " A " font structure, the outside of hold-down arm 4 is connected with wheel limit structure 8, in wheel limit structure 8, be provided with drg 7, the upper end of hold-down arm 4 arranges air-bag base 3, air bag 2 lower ends are arranged on air-bag base 3, the upper end of air bag 2 is connected with vehicle frame 1 bottom surface, the lower end of bumper 6 is connected with hold-down arm 4, the upper end of bumper 6 is connected with vehicle frame 1.On described hold-down arm 4, be fixed with motor 10, the output shaft of motor 10 is connected with the input shaft of retarder 5, and the input shaft of retarder 5 is connected with wheel limit structure 8, and motor 10 rotates by retarder 5 drive wheel limit structures 8.
The utility model all arranges motor 10 respectively on left suspension and right suspension, motor 10 directly drives left wheel and right vehicle wheel rotation after slowing down by retarder 5, thereby drive passenger vehicle to advance, control by motor 10 differential of realizing left and right wheel, cancel the middle bridge bag of conventional drive bridge, thereby realized the breakaway-element design of passenger vehicle drive axle.
Between the left suspension of the utility model and right suspension, not being connected, is disrupted configuration, and the distance between left suspension and right suspension increases, and makes passenger car width widen, has increased passenger vehicle interior space, thereby increases the operation ability of passenger vehicle.
Be noted that, above-described embodiment is explanation to technical solutions of the utility model and unrestricted, other amendment that is equal to replacement or makes according to prior art of affiliated technical field those of ordinary skill, as long as do not exceed thinking and the scope of technical solutions of the utility model, within all should being included in the desired interest field of the utility model.
Claims (6)
1. an electric motor coach automotive divided axle suspension system, it is characterized in that: comprise left suspension and right suspension, left suspension is identical with right suspension frame structure, include hold-down arm (4), top link (9), lower swing arm (11), wheel limit structure (8), air bag (2), air-bag base (3), bumper (6) and drg (7), the top of described hold-down arm (4) is connected with vehicle frame (1) by top link (9), the bottom of hold-down arm (4) is connected with vehicle frame (1) by lower swing arm (11), top link (9) is longitudinally arranged with lower swing arm (11) level, the outside of hold-down arm (4) is connected with wheel limit structure (8), the upper end of hold-down arm (4) arranges air-bag base (3), air bag (2) lower end is arranged on air-bag base (3), the upper end of air bag (2) is connected with vehicle frame (1) bottom surface, the lower end of bumper (6) is connected with hold-down arm (4), the upper end of bumper (6) is connected with vehicle frame (1).
2. electric motor coach automotive divided axle suspension system according to claim 1, it is characterized in that: on described hold-down arm (4), be fixed with motor (10), the output shaft of motor (10) is connected with the input shaft of retarder (5), the input shaft of retarder (5) is connected with wheel limit structure (8), and motor (10) rotates by retarder (5) drive wheel limit structure (8).
3. electric motor coach automotive divided axle suspension system according to claim 1, is characterized in that: described top link (9) is identical with lower swing arm (11) structure, is " A " font structure.
4. electric motor coach automotive divided axle suspension system according to claim 1, is characterized in that: in described wheel limit structure (8), be provided with drg (7).
5. electric motor coach automotive divided axle suspension system according to claim 1, is characterized in that: described top link (9), lower swing arm (11) are connected by rubber shaft bearing respectively with hold-down arm (4).
6. electric motor coach automotive divided axle suspension system according to claim 1, is characterized in that: described top link (9), lower swing arm (11) are connected by rubber shaft bearing respectively with vehicle frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320879705.6U CN203666301U (en) | 2013-12-30 | 2013-12-30 | Disconnected type drive axle suspension system for electric bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320879705.6U CN203666301U (en) | 2013-12-30 | 2013-12-30 | Disconnected type drive axle suspension system for electric bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203666301U true CN203666301U (en) | 2014-06-25 |
Family
ID=50962625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320879705.6U Withdrawn - After Issue CN203666301U (en) | 2013-12-30 | 2013-12-30 | Disconnected type drive axle suspension system for electric bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203666301U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707730A (en) * | 2013-12-30 | 2014-04-09 | 郑州精益达汽车零部件有限公司 | Broken-type drive axle suspension system of electric motor coach |
| CN104129273A (en) * | 2014-08-08 | 2014-11-05 | 成都旭腾蓝驱科技有限公司 | Electric drive system for independent suspension wheel |
| CN104149596A (en) * | 2014-08-08 | 2014-11-19 | 成都旭腾蓝驱科技有限公司 | Wheel side electric driving module of electric bus |
| CN105365510A (en) * | 2014-08-12 | 2016-03-02 | 诺曼信托 | Vehicle suspension |
| CN111169241A (en) * | 2020-03-03 | 2020-05-19 | 长沙猎空智能科技有限公司 | Trolley chassis with wheels driven independently |
-
2013
- 2013-12-30 CN CN201320879705.6U patent/CN203666301U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707730A (en) * | 2013-12-30 | 2014-04-09 | 郑州精益达汽车零部件有限公司 | Broken-type drive axle suspension system of electric motor coach |
| CN103707730B (en) * | 2013-12-30 | 2016-09-14 | 郑州精益达汽车零部件有限公司 | Broken-type drive axle suspension system of electric motor coach |
| CN104129273A (en) * | 2014-08-08 | 2014-11-05 | 成都旭腾蓝驱科技有限公司 | Electric drive system for independent suspension wheel |
| CN104149596A (en) * | 2014-08-08 | 2014-11-19 | 成都旭腾蓝驱科技有限公司 | Wheel side electric driving module of electric bus |
| CN105365510A (en) * | 2014-08-12 | 2016-03-02 | 诺曼信托 | Vehicle suspension |
| CN105365510B (en) * | 2014-08-12 | 2019-09-17 | 诺曼信托 | Vehicle suspension |
| CN111169241A (en) * | 2020-03-03 | 2020-05-19 | 长沙猎空智能科技有限公司 | Trolley chassis with wheels driven independently |
| CN111169241B (en) * | 2020-03-03 | 2023-09-19 | 湖南天开智能装备有限公司 | Trolley chassis with wheels independently driven |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20160914 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |