CN203570962U - Vehicle drive axle main reducer assembly - Google Patents
Vehicle drive axle main reducer assembly Download PDFInfo
- Publication number
- CN203570962U CN203570962U CN201320737153.5U CN201320737153U CN203570962U CN 203570962 U CN203570962 U CN 203570962U CN 201320737153 U CN201320737153 U CN 201320737153U CN 203570962 U CN203570962 U CN 203570962U
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- Prior art keywords
- bearing
- differential
- plane
- final drive
- drive casing
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Abstract
The utility model relates to a vehicle drive axle main reducer assembly. According to the assembly, an internal oil channel and an oil collection structure are optimized, so that the oil through amount is increased, and lubrication of bearings is improved. The assembly comprises a main reducer casing, a bearing block, a drive tapered gear, a driven tapered gear, a differential assembly and a retarder arranged on the bearing block. The differential assembly comprises a differential casing. A mounting table plane is arranged at the bottom of the main reducer casing, and a guide shaft mounting hole is formed in a casing cavity. Differential bearing mounting semi holes are formed in the lower portion of the mounting table plane, the outer surface of the upper portion of one side of the main reducer casing is an inclined plane which is formed into a vertical plane mounted with and perpendicular to the mounting table plane through bending transition, and two parallel reinforcing ribs are arranged between the root of the vertical plane and the mounting table plane. A guide bearing plate connected between the guide shaft mounting hole and the mounting table plane is an inclined plane, and two supporting reinforcements are arranged between the guide bearing plate and the differential bearing mounting semi holes.
Description
Technical field
The utility model belongs to auto parts machinery technical field, is specifically related to a kind of main gearbox assembly for automobile drive axle.
Background technique
The effect of the main reducing gear of automobile drive axle is to reduce the rotating speed transmitting from main drive shaft, increase moment of torsion, and change power direction, its drive part is comprised of a pair of intermeshing bevel gear, power passes to by dynamic bevel gear by drive bevel gear, has reached the object of transmission power, change power direction and deceleration simultaneously.Main gearbox assembly structure in the market, complex process, the stiffening rib of final drive casing and differential carrier and Cross section Design are too complicated, give and arrange that increase difficulty and cost improve.
Model utility content
For deficiency of the prior art, the utility model provides a kind of automobile driving axle main gear box assembly of optimizing structure, final drive casing, differential carrier sectional shape and stiffening rib are optimized to design, strengthened bevel gear rigidity of support, also optimized inner oil duct and oil collecting structure, strengthened and crossed oil mass, improved lubricating bearing, by adopting the brand-new design means that Analysis of Transmission is combined with finite element analysis, realized light-weight design, reduced volume read-out.
In order to address the above problem, this kind of automobile driving axle main gear box assembly, comprising: final drive casing, bearing support, drive bevel gear, by dynamic bevel gear, differential assembly and be arranged on the retarder on bearing support, and this differential assembly comprises differential carrier; This bearing support is bolted on the bearing support mounting hole of final drive casing, described drive bevel gear is connected on bearing support by a pair of tapered roller bearing, by dynamic bevel gear and differential assembly, be bolted fixingly, differential assembly is connected on final drive casing by a pair of tapered roller bearing; Described final drive casing bottom is provided with installation table top, and housing inner chamber is provided with axis of guide mounting hole; The bottom of this installation table top is provided with differential bearing half hole is installed, the outer surface of upper of this final drive casing one side is inclined-plane, this inclined-plane is transited into through bending and installs that table top is connected and vertical vertical plane, is provided with two stiffening ribs parallel to each other between the root of this vertical plane and installation table top; This axis of guide mounting hole is an inclined-plane with the axis of guide board being connected between table top is installed, and this axis of guide board and differential bearing are installed and between half hole, be provided with two supporting ribs.
Preferably, in the inclined-plane on described final drive casing top, be provided with oil duct, this oil duct top with above final drive casing, be communicated with, bottom is communicated with a collection chamber.
Preferably, described differential carrier comprises the poor shell of the flank of tooth and the poor shell of the back of tooth, bearing mounting platform in the poor shell of this back of tooth is connected with flange plate by housing, between bearing mounting platform and flange plate, be provided with many stiffening ribs, this stiffening rib be shaped as taper and being circumferentially evenly arranged along flange plate, the bottom of this taper stiffening rib is connected with the outer wall of bearing mounting platform, and top extends to the outer rim of flange plate.
More preferably, the quantity of described stiffening rib is 16, is provided with rectangle oil-through hole between the bottom of every two stiffening ribs; The card diameter of described flange plate is: 360～364mm; Card thickness is: 12～14mm.The intracavity diameter of described bearing mounting platform is: 80～82mm; The inner chamber of this bearing mounting platform is provided with a circle lightening grooves.
The utility model compared with prior art, has the following advantages:
The main gearbox assembly structural design of 1, having considered to install retarder interface requirement, has realized retarder and has been arranged on ransaxle input shaft end, reduces the impact of retarder on car load transmission system.
2, by the brand-new design means that adopt Analysis of Transmission to combine with finite element analysis, final drive casing, differential carrier sectional shape and stiffening rib are optimized to design, have strengthened bevel gear rigidity of support, realized light-weight design, reduced volume read-out.
3, to the carrying out of oil duct and oil-collecting mechanism brand-new design, improved the lubrication effect to bearing.
Accompanying drawing explanation
Fig. 1 is the structural representation of automobile driving axle main gear box assembly of the present utility model;
Fig. 2 is the sectional structure schematic diagram of automobile driving axle main gear box assembly of the present utility model;
Fig. 3 is the sectional structure schematic diagram of the final drive casing in the utility model;
Fig. 4 is along the sectional structure schematic diagram of BB line in Fig. 3;
Fig. 5 is the plan structure schematic diagram of the final drive casing in the utility model;
Fig. 6 is the side-looking structural representation of the differential carrier in the utility model;
Fig. 7 is the sectional structure schematic diagram of the differential carrier in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
In conjunction with Fig. 1 to Fig. 2, this kind of automobile driving axle main gear box assembly, comprising: final drive casing 1, bearing support 2, drive bevel gear 3, by dynamic bevel gear 4, differential assembly 5 and be arranged on the retarder 10 on bearing support.This differential assembly 5 comprises differential carrier 9.This bearing support 2 is bolted on the bearing support mounting hole of final drive casing 1, described drive bevel gear 3 is connected on bearing support 2 by a pair of tapered roller bearing, by dynamic bevel gear 4 and differential assembly 5, be bolted fixingly, differential assembly 5 is connected on final drive casing 1 by a pair of tapered roller bearing.
In conjunction with Fig. 3 to Fig. 5, this final drive casing 1 bottom is provided with installs table top 11, and housing inner chamber is provided with axis of guide mounting hole 1a.The bottom of this installation table top 11 is provided with differential bearing half hole 15 is installed, the outer surface of upper of this final drive casing one side is inclined-plane, this inclined-plane is transited into through bending and installs that table top 11 is connected and vertical vertical plane, is provided with two stiffening ribs 12 parallel to each other between the root of this vertical plane and installation table top 11.This axis of guide mounting hole 1a is an inclined-plane with the axis of guide board 14 being connected between table top 11 is installed, and this axis of guide board 14 and differential bearing are installed and between half hole 15, be provided with two supporting ribs 16.In the inclined-plane on described final drive casing 1 top, be provided with oil duct 13, this oil duct top with above final drive casing, be communicated with, bottom is communicated with a collection chamber.
In conjunction with Fig. 6 and Fig. 7, described differential carrier 9 comprises the poor shell 92 of the flank of tooth and the poor shell 91 of the back of tooth, bearing mounting platform 914 in the poor shell of this back of tooth is connected with flange plate 912 by housing, between bearing mounting platform and flange plate, be provided with many stiffening ribs 911, this stiffening rib 911 be shaped as taper and being circumferentially evenly arranged along flange plate 912, the bottom of this taper stiffening rib is connected with the outer wall of bearing mounting platform 914, and top extends to the outer rim of flange plate 912.The quantity of this stiffening rib 911 is 16, is provided with rectangle oil-through hole 913 between the bottom of every two stiffening ribs.The card diameter of described flange plate 912 is: 360～364mm; Card thickness is: 12～14mm.The intracavity diameter of described bearing mounting platform 914 is:: 80～82mm; The inner chamber of this bearing mounting platform 914 is provided with a circle lightening grooves 915, this lightening grooves along lumen shaft to width be: 100～200mm.
It should be noted that; embodiment is only to the explanation of technical solutions of the utility model and explanation; should not be understood as the restriction to technical solutions of the utility model; any employing the technical solution of the utility model and only do local change, must fall in protection domain of the present utility model.
Claims (5)
1. an automobile driving axle main gear box assembly, comprise: final drive casing (1), bearing support (2), drive bevel gear (3), by dynamic bevel gear (4), differential assembly (5) and be arranged on the retarder (10) on bearing support, this differential assembly (5) comprises differential carrier (9); This bearing support (2) is bolted on the bearing support mounting hole of final drive casing (1), described drive bevel gear (3) is connected on bearing support (2) by a pair of tapered roller bearing, by dynamic bevel gear (4) and differential assembly (5), be bolted fixingly, differential assembly (5) is connected on final drive casing (1) by a pair of tapered roller bearing;
It is characterized in that: described final drive casing (1) bottom is provided with installs table top (11), and housing inner chamber is provided with axis of guide mounting hole (1a); The bottom of this installation table top (11) is provided with differential bearing half hole (15) is installed, the outer surface of upper of this final drive casing one side is inclined-plane, this inclined-plane is transited into through bending and installs that table top (11) is connected and vertical vertical plane, is provided with two stiffening ribs (12) parallel to each other between the root of this vertical plane and installation table top (11); This axis of guide mounting hole (1a) is an inclined-plane with the axis of guide board (14) being connected between table top (11) is installed, and this axis of guide board (14) and differential bearing are installed and between half hole (15), be provided with two supporting ribs (16).
2. automobile driving axle main gear box assembly according to claim 1, is characterized in that: in the inclined-plane on described final drive casing (1) top, be provided with oil duct (13), this oil duct top with above final drive casing, be communicated with, bottom is communicated with a collection chamber.
3. automobile driving axle main gear box assembly according to claim 1, it is characterized in that: described differential carrier (9) comprises the poor shell of the flank of tooth (92) and the poor shell of the back of tooth (91), bearing mounting platform (914) in the poor shell of this back of tooth is connected with flange plate (912) by housing, between bearing mounting platform and flange plate, be provided with many stiffening ribs (911), this stiffening rib (911) be shaped as taper and being circumferentially evenly arranged along flange plate (912), the bottom of this taper stiffening rib is connected with the outer wall of bearing mounting platform (914), top extends to the outer rim of flange plate (912).
4. automobile driving axle main gear box assembly according to claim 3, is characterized in that: the quantity of described stiffening rib (911) is 16, is provided with rectangle oil-through hole (913) between the bottom of every two stiffening ribs; The card diameter of described flange plate (912) is: 360～364mm; Card thickness is: 12～14mm.
5. automobile driving axle main gear box assembly according to claim 3, is characterized in that: the intracavity diameter of described bearing mounting platform (914) is: 80～82mm; The inner chamber of this bearing mounting platform (914) is provided with a circle lightening grooves (915).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320737153.5U CN203570962U (en) | 2013-11-19 | 2013-11-19 | Vehicle drive axle main reducer assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320737153.5U CN203570962U (en) | 2013-11-19 | 2013-11-19 | Vehicle drive axle main reducer assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203570962U true CN203570962U (en) | 2014-04-30 |
Family
ID=50538694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320737153.5U Expired - Fee Related CN203570962U (en) | 2013-11-19 | 2013-11-19 | Vehicle drive axle main reducer assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203570962U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973611A (en) * | 2019-04-22 | 2019-07-05 | 一汽解放汽车有限公司 | Differential assembly and assembly method between a kind of novel commercial wheel |
| CN113819224A (en) * | 2021-10-20 | 2021-12-21 | 郑州精益达汽车零部件有限公司 | Medium axle main speed reducer shell |
-
2013
- 2013-11-19 CN CN201320737153.5U patent/CN203570962U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973611A (en) * | 2019-04-22 | 2019-07-05 | 一汽解放汽车有限公司 | Differential assembly and assembly method between a kind of novel commercial wheel |
| CN113819224A (en) * | 2021-10-20 | 2021-12-21 | 郑州精益达汽车零部件有限公司 | Medium axle main speed reducer shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20211119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |