CN218228526U - Axle housing and drive axle assembly - Google Patents
Axle housing and drive axle assembly Download PDFInfo
- Publication number
- CN218228526U CN218228526U CN202222331297.2U CN202222331297U CN218228526U CN 218228526 U CN218228526 U CN 218228526U CN 202222331297 U CN202222331297 U CN 202222331297U CN 218228526 U CN218228526 U CN 218228526U
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- axle
- section
- shaft
- axle housing
- fixed plate
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Abstract
The utility model discloses an axle housing and a drive axle assembly, wherein the axle housing comprises a mounting seat, two axle shafts, two axle heads and a motor; the mounting seat comprises two mounting frames which are arranged up and down and are arranged oppositely, and each mounting frame comprises a supporting plate and two connecting end plates which are respectively positioned at two ends of the supporting plate; the inner side end of the axle shaft is provided with a fixed plate which extends outwards along the radial direction of the axle shaft, the upper part and the lower part of the fixed plate are respectively attached to the outer sides of the connecting end plates at the same end of the two mounting frames, the fixed plate and the connecting end plates are fixed together through a plurality of connecting bolts which cross the fixed plate, and the two support plates, the connecting end plates at the two ends of the two support plates and the fixed plate enclose a containing cavity together; the two shaft heads are respectively connected with the outer side ends of the two bridge shafts; the motor is arranged in the accommodating cavity. The utility model discloses in owing to make and arrange the motor in this accommodating intracavity for the focus of motor is close to the central axis of axle housing as far as, thereby has reduced the influence of motor self weight to the whole counter weight of axle housing.
Description
Technical Field
The utility model relates to the technical field of vehicles, concretely relates to axle housing and drive axle assembly.
Background
With the continuous development of new energy technology, some commercial vehicles have been driven by motors, which are provided with motors, and the power output by the motors is transmitted to the wheel ends of the drive axles through half shafts; the existing electric drive axle is generally arranged in the middle of an axle housing by directly arranging a motor on the basis of the original fuel oil drive axle, the motor with larger output power is often required to be arranged for meeting the power demand of a vehicle, the whole volume and the weight of the motor are relatively larger, and the counterweight of the whole drive axle is influenced after the motor is arranged on the axle housing, so that the performance of the vehicle is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims at providing an axle housing, it can form the chamber of acceping of placing the motor at axle housing length direction's middle part, the central axis that is close to the axle housing that makes the focus of motor as far as possible.
The second purpose of the utility model is to provide a drive axle assembly.
In order to achieve the above object, the utility model adopts the following technical scheme:
the axle housing comprises a mounting seat, two axle shafts, two axle heads and a motor, wherein the two axle shafts are respectively connected to two ends of the mounting seat;
the mounting seat comprises two mounting frames which are arranged up and down and are arranged oppositely, and each mounting frame comprises a supporting plate and two connecting end plates which are respectively positioned at two ends of the supporting plate;
the inner side end of the axle shaft is provided with a fixed plate which extends outwards along the radial direction of the axle shaft, the upper part and the lower part of the fixed plate are respectively attached to the outer sides of the connecting end plates at the same end of the two mounting frames, the fixed plate and the connecting end plates are fixed together through a plurality of connecting bolts which cross the fixed plate, and the two support plates, the connecting end plates at the two ends of the two support plates and the fixed plate enclose a containing cavity together;
the two shaft heads are respectively connected with the outer side ends of the two bridge shafts;
the motor is arranged in the accommodating cavity.
The side of backup pad is connected with the reinforcing plate with the position department that the side of connecting the end plate links up.
The bridge shaft is provided with a plurality of reinforcing ribs extending from the outer surface of the bridge shaft to the outer side surface of the fixing plate, and the plurality of reinforcing ribs are arranged in a circumferential array around the central axis of the bridge shaft.
The bridge shaft comprises a first section and a second section, wherein the first section is connected with the outer side face of the fixing plate, the second section extends outwards from the outer side end of the first section, the cross section of the first section is square, and the cross section of the second section is circular.
The two shaft heads are respectively positioned at the outer side ends of the two bridge shafts, and at least one part of the shaft heads is penetrated and connected in the second section of the bridge shafts.
The outer surface of the shaft head and the inner surface of the second section of the bridge shaft are provided with mutually matched splines.
A connecting flange is formed at the position where the first section and the second section are connected on the bridge shaft, a braking bottom plate is sleeved outside the second section of the bridge shaft, and the braking bottom plate is fixed on the connecting flange through bolts.
In order to achieve the second purpose, the utility model adopts the following technical scheme:
the drive axle assembly comprises the axle housing.
The beneficial effects of the utility model reside in that:
the utility model discloses in, utilize two mounts to constitute a mount pad at axle housing length direction's middle part, two bridge shaft coupling are formed one in the mount pad both ends after, accept the chamber owing to arrange the motor in this accepts the intracavity for the focus of motor is close to the central axis of axle housing as far as, thereby has reduced the influence of motor self weight to the whole counter weight of axle housing.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a cross-sectional view of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1 and 2, for the axle housing of the present invention, especially an axle housing suitable for an electrically driven axle, the axle housing includes a mounting seat 10, two axle shafts 20, two axle heads 30, and a motor (not shown), the mounting seat 10 includes two mounting brackets 11, the two mounting brackets 11 are arranged up and down and are oppositely disposed, the mounting bracket 11 includes a supporting plate 111 and two connecting end plates 112, the two connecting end plates 112 are respectively connected to two ends of the supporting plate 111, the two connecting end plates 112 of the upper mounting bracket 11 extend downwards from two ends of the supporting plate 111, the two connecting end plates 112 of the lower mounting bracket 11 extend upwards from two ends of the supporting plate 111, and the connecting end plates 112 are perpendicular to the supporting plate 111, and the mounting brackets 11 may be integrally formed by a casting process; the two bridge shafts 20 are respectively connected to two ends of the mounting base 10, specifically, a fixing plate 23 extending outward along a radial direction is disposed at an inner end (i.e., an end close to the mounting base 10) of the bridge shaft 20, upper and lower portions of the fixing plate 23 respectively abut against outer sides of connecting end plates 112 at the same ends of the two mounting bases 11, a hole through which a half shaft of the drive axle assembly passes is reserved at a middle position of the fixing plate 23, the fixing plate 23 is divided into upper and lower portions by the hole, a portion of the fixing plate 23 above the hole abuts against an outer side surface of the upper connecting end plate 112, a portion of the fixing plate 23 below the hole abuts against an outer side surface of the lower connecting end plate 112, the fixing plate 23 and the connecting end plate 112 are fixed together by a plurality of connecting bolts traversing through the two mounting bases 11, two support plates 111 facing up and down, connecting end plates 112 at two ends of the two support plates, and the fixing plate 23 at inner ends of the two bridge shafts 20 together define an accommodating cavity, and the motor is disposed in the accommodating cavity; two stub shafts 30 are respectively connected to the outer ends of the two axles 20.
The utility model discloses in, utilize two mounts to constitute a mount pad at axle housing length direction's middle part, two bridge shaft coupling are formed one in the mount pad both ends after, accept the chamber owing to make arrange the motor in this and accept the intracavity for the focus of motor is close to the central axis of axle housing as far as, thereby has reduced the influence of motor self weight to the whole counter weight of axle housing.
In order to increase the overall strength of the axle housing, in the preferred embodiment of the present invention, a reinforcing plate 113 is connected to the position where the side edge of the supporting plate 111 is joined to the side edge of the connecting end plate 112, so as to increase the overall bending strength of the mounting frame 11; in addition, be provided with a plurality of strengthening ribs 24 on the axle 20, this a plurality of strengthening ribs 24 extend to the lateral surface of fixed plate 23 by the surface of axle, and a plurality of strengthening ribs 24 are arranged around the central axis circumference array of axle 20, increase the intensity of fixed plate 23 and axle 20 junction through strengthening rib 24, prevent that fixed plate 23 and axle 20 junction from taking place deformation.
The axle shaft 20 is configured in a non-uniform cross-section structure, and specifically, it includes a first section 21 connected to the outer side of the fixing plate 23, and a second section 22 extending outward from the outer end of the first section 21, the first section 21 is used as the main bearing portion connected to the fixing plate 23, the cross-sectional shape of the first section 21 is configured as a square, which provides the axle shaft 20 with better strength, and the cross-sectional shape of the second section 22 is configured as a circle, so that the axle shaft 30 can be connected to the axle shaft 20 in a matching manner. The two shaft heads 30 are respectively positioned at the outer ends of the two bridge shafts 20, one part of the shaft head 30 is connected inside the second section 22 of the bridge shaft 20 in a penetrating manner, the outer surface of the shaft head 30 is provided with a spline, correspondingly, the inner surface of the second section 22 of the bridge shaft 20 is provided with a spline matched with the spline, namely, after the shaft head 30 penetrates into the second section 22, the two are matched through the spline.
A connecting flange 26 is formed on the bridge shaft 20 at the position where the first section 21 and the second section 22 are jointed, a braking bottom plate 25 is sleeved outside the second section 22 of the bridge shaft 20, and the braking bottom plate 25 is fixedly connected to the connecting flange 26 through bolts.
The utility model discloses a drive axle assembly includes foretell axle housing, and other structures of drive axle assembly are the same with prior art, do not do detailed description here.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some technical features, and these modifications or substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The axle housing is characterized by comprising a mounting seat, two axle shafts, two axle heads and a motor, wherein the two axle shafts are respectively connected to two ends of the mounting seat;
the mounting seat comprises two mounting frames which are arranged up and down and are arranged oppositely, and each mounting frame comprises a supporting plate and two connecting end plates which are respectively positioned at two ends of the supporting plate;
the inner side end of the axle shaft is provided with a fixed plate which extends outwards along the radial direction of the axle shaft, the upper part and the lower part of the fixed plate are respectively attached to the outer sides of the connecting end plates at the same end of the two mounting frames, the fixed plate and the connecting end plates are fixed together through a plurality of connecting bolts which cross the fixed plate, and the two support plates, the connecting end plates at the two ends of the two support plates and the fixed plate enclose a containing cavity together;
the two shaft heads are respectively connected with the outer side ends of the two bridge shafts;
the motor is arranged in the accommodating cavity.
2. An axle housing as claimed in claim 1 in which the reinforcement plate is attached at the location where the side edge of the support plate engages the side edge of the attachment end plate.
3. The axle housing of claim 1 in which the axle shaft has a plurality of ribs extending from the outer surface of the axle shaft to the outer side of the stationary plate, the plurality of ribs being arranged in a circumferential array about the central axis of the axle shaft.
4. The axle housing of claim 1 wherein the axle shaft includes a first section engaged with the outboard face of the holding plate and a second section extending outwardly from the outboard end of the first section, the first section having a square cross-section and the second section having a circular cross-section.
5. The axle housing of claim 4 in which the stub shafts are located at outboard ends of the axle shafts, and at least a portion of the stub shafts are threaded into the second section of the axle shafts.
6. The axle housing of claim 5 in which the outer surface of the stub shaft and the inner surface of the second section of the axle shaft are provided with cooperating splines.
7. The axle housing of claim 4 in which a coupling flange is formed on the axle shaft at the location where the first and second sections meet, and a brake spider is sleeved on the outside of the second section of the axle shaft and is bolted to the coupling flange.
8. A drive axle assembly comprising an axle housing as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222331297.2U CN218228526U (en) | 2022-09-01 | 2022-09-01 | Axle housing and drive axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222331297.2U CN218228526U (en) | 2022-09-01 | 2022-09-01 | Axle housing and drive axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218228526U true CN218228526U (en) | 2023-01-06 |
Family
ID=84685947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222331297.2U Active CN218228526U (en) | 2022-09-01 | 2022-09-01 | Axle housing and drive axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218228526U (en) |
-
2022
- 2022-09-01 CN CN202222331297.2U patent/CN218228526U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |