CN209904519U - Wheel-side drive axle structure - Google Patents
Wheel-side drive axle structure Download PDFInfo
- Publication number
- CN209904519U CN209904519U CN201920415044.9U CN201920415044U CN209904519U CN 209904519 U CN209904519 U CN 209904519U CN 201920415044 U CN201920415044 U CN 201920415044U CN 209904519 U CN209904519 U CN 209904519U
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- Prior art keywords
- wheel
- motor
- reduction gear
- output shaft
- reducer
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Abstract
The utility model discloses a wheel limit transaxle structure, including axle housing and symmetrical arrangement in the drive assembly at axle housing both ends, drive assembly includes wheel limit motor, wheel reduction gear, coupling flange is fixed in the tip of axle housing, the wheel limit motor passes through coupling flange with the fixed hookup of wheel reduction gear, the wheel reduction gear includes reduction gear input shaft, reduction gear output shaft and reduction gear body, the wheel limit motor includes motor body and motor output shaft, motor output shaft with the coaxial setting of reduction gear input shaft, the reduction gear input shaft orientation the one end of wheel limit motor be provided with motor output shaft assorted mounting hole, motor output shaft stretches into in the mounting hole and with the fixed hookup of reduction gear input shaft. The wheel-side drive axle structure has the characteristics of convenience in installation, good coaxiality, simple structure and small size.
Description
Technical Field
The utility model relates to an electric machineshop car field especially relates to a wheel limit transaxle structure.
Background
Wheel-side drive axles are one of the important components of electric engineering vehicles. At present, a wheel-side motor and a wheel-side reducer of a wheel-side drive axle of an electric engineering vehicle on the market are both independent conventional products, and an end cover of the wheel-side motor and a shell of the wheel-side reducer are fixedly connected to complete assembly; the structure mode not only is inconvenient to install, but also has poor coaxiality; in view of the above problems, some manufacturers connect the hub motor and the hub reducer through transmission parts such as gears, but such a structural mode has the problems of complex structure and large volume, and thus, a solution is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the above-mentioned problem, provide a wheel limit transaxle structure to it is inconvenient to solve current wheel limit transaxle structrual installation, and the axiality is poor, and the structure is complicated, bulky problem.
The utility model aims at realizing through the following technical scheme:
the utility model provides a wheel limit transaxle structure, includes axle housing and symmetrical arrangement in the drive assembly at axle housing both ends, drive assembly includes wheel limit motor, wheel limit reduction gear, hookup flange, the hookup flange is fixed in the tip of axle housing, the wheel limit motor passes through the hookup flange with the fixed hookup of wheel limit reduction gear, the wheel limit reduction gear includes reduction gear input shaft, reduction gear output shaft and reduction gear body, the wheel limit motor includes motor body and motor output shaft, motor output shaft with the coaxial setting of reduction gear input shaft, the reduction gear input shaft orientation the one end of wheel limit motor be provided with motor output shaft assorted mounting hole, motor output shaft stretches into in the mounting hole and with the fixed hookup of reduction gear input shaft.
As an optimized scheme of the utility model, the wheel limit motor is fixed in on the flange, install mounting flange on the wheel reduction gear, mounting flange connects on the rim web of wheel.
As a preferred scheme of the utility model, coupling flange, mounting flange are the concentric form and distribute.
As an optimized scheme of the utility model, be provided with the keyway in the mounting hole, be provided with on the motor output shaft with keyway matched with key portion.
As an optimized scheme of the utility model, key portion is the spline, and is corresponding, the keyway is the spline groove.
The beneficial effects of the utility model are that, a wheel limit transaxle structure has simple to operate, and the axiality is good, simple structure, small characteristics.
Drawings
FIG. 1 is a schematic structural view of a wheel-side drive axle configuration;
fig. 2 is an enlarged view of one of the wheel-side axle configurations shown in fig. 1 at a.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings. It is to be understood that the embodiments described herein are merely illustrative of the present invention and are not limiting thereof.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a wheel-side drive axle structure; fig. 2 is an enlarged view of one of the wheel-side axle configurations shown in fig. 1 at a.
In this embodiment, a wheel-side drive axle structure, including axle housing 1 and the driving assembly 2 of symmetrical arrangement in axle housing 1 both ends, driving assembly 2 includes wheel limit motor 21, wheel reduction gear 22, attach flange 23, wheel limit motor 21 is fixed in on attach flange 23, attach flange 23 passes through the bolt fastening in the tip of axle housing 1, install mounting flange 24 on wheel reduction gear 22, mounting flange 24 passes through bolted connection on the rim web of wheel 3, wheel limit motor 21 passes through attach flange 23 with wheel reduction gear 22 fixed connection, specifically, wheel reduction gear 22 includes reduction gear input shaft 221, reduction gear output shaft and reduction gear body, wheel limit motor 21 includes motor body and motor output shaft, motor output shaft with the coaxial setting of reduction gear input shaft 221, the hub motor is characterized in that a mounting hole matched with the motor output shaft is formed in one end, facing the wheel-side motor 21, of the speed reducer input shaft 221, the motor output shaft extends into the mounting hole and is fixedly connected with the speed reducer input shaft 221, specifically, a spline groove is formed in the mounting hole, and a spline matched with the spline groove is formed in the motor output shaft.
The wheel-side drive axle structure has the characteristics of convenience in installation, good coaxiality, simple structure and small size.
The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims.
Claims (5)
1. The utility model provides a wheel limit transaxle structure, includes axle housing and symmetrical arrangement in the drive assembly at axle housing both ends, its characterized in that: the driving assembly comprises a wheel-side motor, a wheel-side reducer and a connecting flange, the connecting flange is fixed at the end of the axle housing, the wheel-side motor is fixedly connected with the wheel-side reducer through the connecting flange, the wheel-side reducer comprises a reducer input shaft, a reducer output shaft and a reducer body, the wheel-side motor comprises a motor body and a motor output shaft, the motor output shaft and the reducer input shaft are coaxially arranged, one end, facing the wheel-side motor, of the reducer input shaft is provided with a mounting hole matched with the motor output shaft, and the motor output shaft extends into the mounting hole and is fixedly connected with the reducer input shaft.
2. A wheel-side drive axle construction according to claim 1, wherein: the hub motor is fixed on the connecting flange, the hub reducer is provided with a fixing flange, and the fixing flange is connected to a rim web of the wheel.
3. A wheel-side drive axle construction according to claim 2, wherein: the connecting flange and the fixing flange are concentrically distributed.
4. A wheel-side drive axle construction according to any one of claims 1 to 3, wherein: a key groove is arranged in the mounting hole, and a key part matched with the key groove is arranged on the motor output shaft.
5. A wheel-side drive axle construction according to claim 4, wherein: the key part is a spline, and correspondingly, the key groove is a spline groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415044.9U CN209904519U (en) | 2019-03-28 | 2019-03-28 | Wheel-side drive axle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415044.9U CN209904519U (en) | 2019-03-28 | 2019-03-28 | Wheel-side drive axle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209904519U true CN209904519U (en) | 2020-01-07 |
Family
ID=69034317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920415044.9U Active CN209904519U (en) | 2019-03-28 | 2019-03-28 | Wheel-side drive axle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209904519U (en) |
-
2019
- 2019-03-28 CN CN201920415044.9U patent/CN209904519U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |