CN210978490U - Planet carrier assembly for hub reduction gear structure - Google Patents
Planet carrier assembly for hub reduction gear structure Download PDFInfo
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- CN210978490U CN210978490U CN201921825867.5U CN201921825867U CN210978490U CN 210978490 U CN210978490 U CN 210978490U CN 201921825867 U CN201921825867 U CN 201921825867U CN 210978490 U CN210978490 U CN 210978490U
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- planet carrier
- reduction gear
- planet
- hub reduction
- wheel
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Abstract
The utility model discloses a planet carrier assembly for a hub reduction gear structure, which belongs to the technical field of automobile axles and comprises a sun wheel gasket, a planet wheel gasket, a needle bearing, a spacer bush, a planet wheel, a hub reduction gear shell and a planet carrier; the circular hole of the planet wheel gasket is filled with a stud arranged on the planet carrier, the end surface of the sun wheel gasket is attached to the plane of the planet carrier, and the pentagonal edge of the sun wheel gasket is matched with the edge of the planet wheel gasket; the distribution holes of the hub reduction gear shell are matched and connected with the shaft diameter of the planet carrier. The planet carrier and the planet wheel shaft are welded into a whole, the thread diameter is processed on the planet wheel shaft, and the planet carrier and the wheel-side speed reducer shell nut are connected and fixed. The shaft hole fit between the planet wheel shaft and the hub reduction gear shell is eliminated, so that the sealing area of the end cover is reduced, the bowl-shaped plug piece structure is possible, and the weight and the cost are reduced.
Description
Technical Field
The utility model belongs to the technical field of the car axle, concretely relates to planet carrier assembly for hub reduction gear structure.
Background
In the domestic automobile drive axle, the planet carrier of wheel reduction gear adopts a plurality of boss structures, adopts the screw hole on the boss, with wheel reduction gear shell bolted connection, this kind of structure increases the material cost of planet carrier and the processing cost of screw hole. The end cover of the hub reduction gear is connected with the hub reduction gear shell through a plurality of bolts, the outer diameter is large, and weight and cost are increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that in the existing wheel-side reduction drive axle, the weight and the cost of a planet carrier are increased because the planet carrier adopts a plurality of boss structures and is used for being connected with a wheel-side reducer shell bolt; because the great end cover of adoption external diameter is connected with the hub reduction gear shell, the cost increase scheduling problem that leads to the weight of end cover, the utility model provides a hub reduction gear structure reduces weight and cost.
The utility model discloses a following technical scheme realizes:
a planet carrier assembly for a hub reduction gear structure, the planet carrier assembly 1 comprises a sun wheel gasket 7, a planet wheel gasket 13, a needle bearing 14, a spacer 15, a planet wheel 16, a hub reduction gear shell 17 and a planet carrier 18; the circular hole of the planet wheel gasket 13 is filled with a stud arranged on the planet carrier 18, the end surface of the sun wheel gasket 7 is attached to the plane of the planet carrier 18, the sun wheel gasket 7 is pentagonal, and the pentagonal edge of the sun wheel gasket 7 is matched with the edge of the planet wheel gasket 13; the needle bearing 14, the spacer bush 15 and the needle bearing 14 are sequentially installed in a stud bolt arranged on the planet carrier 18; a circular hole arranged in the middle of the planet wheel 16 is connected with the needle bearing 14 in a matching way; the hub reduction gear shell 17 is positioned above the planet gear 16, and the distribution holes of the hub reduction gear shell 17 are in fit connection with the shaft diameter of the planet carrier 18.
Further, a planet wheel spacer 13 is arranged between the hub reduction gear housing 17 and the planet wheel 16.
Furthermore, the hub reduction gear shell 17 is in threaded connection with the planet carrier 18 through the nut 12, the end face of the nut 12 is attached to the plane of the hub reduction gear shell 17, and sealant is coated on the matched plane.
Furthermore, the planet carrier 18 is formed by welding five stud bolts and a circular flat plate; a round hole is formed in the center of the circular flat plate, the stud is a stepped stud, the first step is the shaft diameter and is used for penetrating through the needle roller bearing 14 and the round hole of the hub reduction gear shell 17, and an oil passage hole 19 is further formed in the shaft diameter and is used for lubricating the needle roller bearing 14; the second step is a thread diameter structure and is connected with the nut 12.
Furthermore, the hub reduction gear shell 17 is integrally of a cylindrical structure, a central circular hole is formed in the center of the upper end face and used for being matched with the bowl-shaped plug piece 10, and five distribution holes are distributed around the central circular hole and used for being connected with the planet carrier 18; the lower end face adopts a flange structure, and round holes 20 are uniformly distributed on the periphery of the flange structure and are used for being connected with the hub.
Compared with the prior art, the utility model has the advantages as follows:
the utility model discloses a planet carrier assembly of hub reduction gear structure is through welding planet carrier and planet wheel axle as an organic whole to at the epaxial processing screw thread footpath of planet wheel, be connected fixedly with hub reduction gear shell nut, for adopting boss structure on the planet carrier originally, and with bolted connection, reduced planet carrier weight, cancelled bolted structure. The shaft hole matching between the planet wheel shaft and the hub reduction gear shell is eliminated, the sealing area of the end cover is reduced, the bowl-shaped plug piece structure is possible to be adopted, the original screw connection end cover structure is replaced, and the weight and the cost are reduced.
Drawings
Fig. 1a is a cross-sectional view of a wheel reduction assembly, which is an application position of a planet carrier assembly for a wheel reduction structure according to the present invention;
fig. 1b is an application position of a planetary carrier assembly for a wheel reduction structure according to the present invention, i.e., a side view of the wheel reduction assembly;
fig. 2a is a cross-sectional view of a planet carrier assembly for a wheel hub reduction gear structure according to the present invention;
fig. 2b is an exploded view of a planet carrier assembly for a wheel hub reduction gear structure according to the present invention;
fig. 3a is an axial top view of a planet carrier assembly for a hub reduction gear structure according to the present invention;
fig. 3b is a side bottom view of a planet carrier assembly for a wheel reduction gear structure according to the present invention;
fig. 4 is a side view of a hub reduction gear shell shaft of a planet carrier assembly for a hub reduction gear structure according to the present invention;
in the figure: the planet carrier assembly comprises a planet carrier assembly 1, a gear ring support 2, a retainer ring 3, a gear ring 4, a lock nut 5, a sun wheel 6, a sun wheel gasket 7, an adjusting gasket 8, a retainer ring 9, a bowl-shaped plug piece 10, a plug screw 11, a nut 12, a planet wheel gasket 13, a needle bearing 14, a spacer sleeve 15, a planet wheel 16, a wheel-side speed reducer shell 17, a planet carrier 18, an oil passage hole 19 and a round hole 20.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
Example 1
A planet carrier assembly for a hub reduction gear structure, the planet carrier assembly 1 comprises a sun wheel gasket 7, a planet wheel gasket 13, a needle bearing 14, a spacer 15, a planet wheel 16, a hub reduction gear shell 17 and a planet carrier 18; the round hole of the planet wheel gasket 13 is filled with a stud arranged on the planet carrier 18, the end surface of the sun wheel gasket 7 is attached to the plane of the planet carrier 18, and the pentagonal edge is matched with the edge of the planet wheel gasket 13; the needle bearing 14, the spacer bush 15 and the needle bearing 14 are sequentially installed in a stud bolt arranged on the planet carrier 18; the circular hole of the planet wheel 16 is connected with the needle bearing 14 in a matching way; the distribution holes of the hub reduction gear shell 17 are matched and connected with the shaft diameter of the planet carrier 18.
A planet wheel gasket 13 is arranged between the hub reduction gear shell 17 and the planet wheel 16.
The hub reduction gear shell 17 is in threaded connection with the planet carrier 18 through the nut 12, the end face of the nut 12 is attached to the plane of the hub reduction gear shell 17, and sealant is smeared on the matched plane.
As shown in fig. 3a and 3b, the planet carrier 18 is formed by welding five stud bolts and a circular flat plate; a round hole is formed in the center of the circular flat plate, the stud is a stepped stud, the first step is the shaft diameter and is used for penetrating through the needle roller bearing 14 and the round hole of the hub reduction gear shell 17, and an oil passage hole 19 is further formed in the shaft diameter and is used for lubricating the needle roller bearing 14; the second step is a thread diameter structure and is connected with the nut 12.
As shown in fig. 4, the hub reduction gear case 17 is of a cylindrical structure as a whole, a central circular hole is formed in the center of the upper end surface and used for being matched with the bowl-shaped plug piece 10, and five distribution holes are distributed around the central circular hole and used for being connected with the planet carrier 18; the lower end face adopts a flange structure, and round holes 20 are uniformly distributed on the periphery of the flange structure and are used for being connected with the hub.
Referring to FIG. 1, a wheel reduction assembly view is shown as an application position of a planetary carrier assembly for a wheel reduction structure. The spline hole of the gear ring bracket 2 is connected with a spline shaft of the axle housing; the spline hole of the gear ring 4 is connected with the spline shaft of the gear ring bracket 2; the retainer ring 3 is arranged in the annular groove of the gear ring 4 and is axially limited with the gear ring bracket 2; the threaded hole of the locking nut 5 is screwed into the thread diameter of the axle housing and is tightened, and the gear ring support 2 and the axle housing are axially fixed; the outer cylindrical teeth of five planet wheels 16 in the planet carrier assembly 1 are meshed with the inner cylindrical teeth of the gear ring 4 and simultaneously meshed with the outer cylindrical teeth of the sun wheel 6; a pentagonal sun wheel gasket 7 is matched with the end face of the sun wheel 6; an adjusting gasket 8 and a retainer ring 9 are adopted, and the retainer ring 9 is arranged in an annular groove of a hub reduction gear shell 17 and used for axially limiting a sun wheel gasket 7; the shaft diameter of the bowl-shaped plug piece 10 is pressed into a round hole of the hub reduction gear shell 17, and the opening end face is attached to the retainer ring 9; the screw plug 11 is screwed into a screw hole of the hub reduction gear case 17.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (5)
1. A planet carrier assembly for a hub reduction gear structure is characterized in that the planet carrier assembly (1) comprises a sun wheel gasket (7), a planet wheel gasket (13), a needle bearing (14), a spacer bush (15), a planet wheel (16), a hub reduction gear shell (17) and a planet carrier (18); the round hole of the planet wheel gasket (13) is filled with a stud arranged on the planet carrier (18), the end surface of the sun wheel gasket (7) is attached to the plane of the planet carrier (18), and the pentagonal edge of the sun wheel gasket (7) is matched with the edge of the planet wheel gasket (13); the needle bearing (14), the spacer bush (15) and the needle bearing (14) are sequentially arranged in a stud bolt arranged on the planet carrier (18); a round hole arranged in the middle of the planet wheel (16) is matched and connected with the needle bearing (14); the hub reduction gear shell (17) is positioned above the planet gear (16), and the distribution holes of the hub reduction gear shell (17) are in fit connection with the shaft diameter of the planet carrier (18).
2. Planet carrier assembly for a hub reduction gear according to claim 1, characterised in that a planet wheel spacer (13) is arranged between the hub reduction gear housing (17) and the planet wheels (16).
3. The planet carrier assembly for the hub reduction gear structure according to claim 1, wherein the hub reduction gear shell (17) is in threaded connection with the planet carrier (18) through a nut (12), the end surface of the nut (12) is attached to the plane of the hub reduction gear shell (17), and a sealant is coated on the matched plane.
4. The planet carrier assembly for a wheel hub reduction gear structure according to claim 1, wherein the planet carrier (18) is welded to a circular plate by using five stud bolts; a round hole is formed in the center of the circular flat plate, the stud is a stepped stud, the first step is the shaft diameter and is used for penetrating through the round holes of the needle roller bearing (14) and the hub reduction gear shell (17), and an oil channel hole (19) is further formed in the shaft diameter and is used for lubricating the needle roller bearing (14); the second step is a thread diameter structure and is connected with the nut (12).
5. The planet carrier assembly for the hub reduction gear structure according to claim 1, wherein the hub reduction gear shell (17) is of a cylindrical structure as a whole, a central circular hole is formed in the center of the upper end surface and used for being matched with the bowl-shaped plug piece (10), and five distribution holes are distributed around the central circular hole and used for being connected with the planet carrier (18); the lower end face adopts a flange structure, and round holes (20) are uniformly distributed on the periphery of the flange structure and are used for being connected with the hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921825867.5U CN210978490U (en) | 2019-10-29 | 2019-10-29 | Planet carrier assembly for hub reduction gear structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921825867.5U CN210978490U (en) | 2019-10-29 | 2019-10-29 | Planet carrier assembly for hub reduction gear structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210978490U true CN210978490U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921825867.5U Active CN210978490U (en) | 2019-10-29 | 2019-10-29 | Planet carrier assembly for hub reduction gear structure |
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| Country | Link |
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| CN (1) | CN210978490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324865A (en) * | 2020-11-25 | 2021-02-05 | 山东蓬翔汽车有限公司 | Wheel edge reduction shell attached cantilever type planetary wheel structure assembly |
-
2019
- 2019-10-29 CN CN201921825867.5U patent/CN210978490U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324865A (en) * | 2020-11-25 | 2021-02-05 | 山东蓬翔汽车有限公司 | Wheel edge reduction shell attached cantilever type planetary wheel structure assembly |
| CN112324865B (en) * | 2020-11-25 | 2024-06-04 | 山东蓬翔汽车有限公司 | Wheel rim shell-reducing and cantilever type planetary gear structure assembly |
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