CN203641456U - Main reducer assembly of automobile drive axle - Google Patents
Main reducer assembly of automobile drive axle Download PDFInfo
- Publication number
- CN203641456U CN203641456U CN201320699993.7U CN201320699993U CN203641456U CN 203641456 U CN203641456 U CN 203641456U CN 201320699993 U CN201320699993 U CN 201320699993U CN 203641456 U CN203641456 U CN 203641456U
- Authority
- CN
- China
- Prior art keywords
- oil
- bearing support
- bearing
- differential
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003638 chemical reducing agent Substances 0.000 title abstract description 16
- 239000000945 filler Substances 0.000 claims description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Abstract
The utility model relates to a main reducer assembly of an automobile drive axle. The oil passage in the reducer assembly is newly designed and an oil inlet passage and an oil return passage are integrated on a main reducer assembly by settings of a reducer shell and a bearing pedestal oil passage. The main reducer assembly of the automobile drive axle comprises a main reducer shell, a bearing pedestal, a driving bevel pinion, a driven bevel pinion and a reducer assembly, wherein a bearing pedestal mounting hole is arranged above the main reducer shell; a reducer bearing mounting platform is arranged on the lower bottom surface; the reducer assembly comprises a reducer shell; two oil baffle plates are arranged between the bearing pedestal mounting hole of the reducer shell and the reducer bearing mounting platform; an oil inlet is arranged on the inner wall on one side of the bearing pedestal; an oil outlet is arranged on the inner wall of the other side; the oil outlet is opposite to the upper part of the oil baffle plate and communicated with the inner cavity of the bearing pedestal; the oil outlet is communicated with the oil inlet through an oil passage.
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 torque of transmitting from main drive shaft, thereby increase moment of torsion and change transmission of power direction, drive part is made up 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.In existing ransaxle product, main gearbox assembly cannot solve in an assembly that vehicle bridge is preposition simultaneously, oil duct Layout Problem when the upper and lower biasing of postposition and active and passive gear.
Model utility content
For deficiency of the prior art, the utility model has carried out brand-new design to the oil duct in speed reducer assembly, by the setting to reducing gearbox and bearing support oil duct, realize drive bevel gear below-center offset apart from rotating and reverse, the layout of upper offset distance forward reversion one of four states, realizes integrated on a main gearbox assembly of oil input channel and back oil road.
In order to address the above problem, this kind of automobile driving axle main gear box assembly, comprise: final drive casing, bearing support, drive bevel gear, by dynamic bevel gear, differential assembly, above this final drive casing, be provided with bearing support mounting hole, bottom surface is provided with differential bearing mounting platform, 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, be bolted fixingly by dynamic bevel gear and differential assembly, differential assembly is connected to by a pair of tapered roller bearing on the differential bearing mounting platform of final drive casing;
Between the bearing support mounting hole of described reducing gearbox and differential bearing mounting platform, be provided with two oil baffles; In the inwall of one side of described bearing support, be provided with filler opening, in the inwall of opposite side, be provided with oil outlet, this oil outlet is relative with the top of oil baffle, and oil outlet is communicated with the inner chamber of bearing support, between oil outlet and filler opening, is communicated with by oil duct.
Preferably, described two oil baffles are splayed shape from top to bottom, the outer side surface undulate of this oil baffle.
Preferably, the outer wall of described bearing support is provided with a collection chamber, and described filler opening is communicated with this collection chamber.
Preferably, on the outer wall of described reducing gearbox, and between its bearing support mounting hole and bottom surface mounting flange, be provided with many first stiffening ribs; On the outer wall of described differential carrier, and be circumferentially with many second stiffening ribs along it.
The utility model compared with prior art, has the following advantages:
(1), by oil duct has been carried out to brand-new design, by the setting to reducing gearbox and bearing support oil duct, realize drive bevel gear below-center offset apart from rotating and reverse, the layout of upper offset distance forward reversion one of four states, realize integrated on a main gearbox assembly of oil input channel and back oil road, meet the bearing lubrication under four kinds of states of main gearbox assembly.
(2) setting of the multi-form stiffening rib of final drive casing outer surface, by main gearbox assembly has improved the heat dissipation potential of main gearbox assembly in strengthening reducing gearbox rigidity of support.
(3), by the Analysis of Transmission simulation calculation to whole bridge, simulation final drive casing lower stressing conditions in working order, the impact of the structure of analysis stiffening rib on bevel gear rigidity of support, designs the stiffening rib of differential carrier outer surface.
Brief description of the drawings
Fig. 1 is the sectional structure schematic diagram of automobile driving axle main gear box assembly of the present utility model;
Fig. 2 is the perspective view of the reducing gearbox in the utility model;
Fig. 3 is the sectional structure schematic diagram of the bearing support in the utility model;
Fig. 4 is the structural representation of the differential casing in the utility model;
Fig. 5 is the plan structure schematic diagram of the reducing gearbox in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, this kind of 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, this differential assembly 5 comprises planet wheel 6, cross axle 7, differential gear 8 and 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, be bolted fixingly by dynamic bevel gear 4 and differential assembly 5, differential assembly 5 is connected on the differential bearing mounting platform of final drive casing 1 by a pair of tapered roller bearing.
As shown in Figure 2, above this final drive casing, be provided with bearing support mounting hole 1a, bottom surface is provided with differential bearing mounting platform 11, between the bearing support mounting hole 1a of this reducing gearbox and differential bearing mounting platform 11, be provided with two oil baffles 12, article two, oil baffle is splayed shape from top to bottom, the outer side surface undulate of this oil baffle.
As shown in Figure 3, in the inwall of a side of this bearing support 2, be provided with filler opening 23, in the inwall of opposite side, be provided with oil outlet 24, between oil outlet and filler opening, be communicated with by oil duct 21.On the outer wall of this bearing support 2, be also provided with a collection chamber 22, described filler opening is communicated with this collection chamber.In the time that this bearing support is arranged on differential casing, this filler opening is relative with the top of the oil baffle 12 in differential casing, oil outlet is communicated with the inner chamber of bearing support 2, lubricant oil flow into filler opening via oil baffle 12, the oil outlet that flow into again opposite side via a pair of tapered roller bearing in bearing support, oil outlet flows into again in reducer shell via bearing support inner chamber.
As shown in Figure 4 and Figure 5, on the outer wall of reducing gearbox, and between its bearing support mounting hole 1a and the mounting flange of bottom surface, be provided with many first stiffening ribs 14.On the outer wall of differential carrier 9, and be circumferentially with many second stiffening ribs 15 along it.
It should be noted that; embodiment is only explanation and the explanation to technical solutions of the utility model; 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 (4)
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), above this final drive casing, be provided with bearing support mounting hole (1a), bottom surface is provided with differential bearing mounting platform (11), and 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, be bolted fixingly by dynamic bevel gear (4) and differential assembly (5), differential assembly (5) is connected to by a pair of tapered roller bearing on the differential bearing mounting platform of final drive casing (1);
It is characterized in that: between the bearing support mounting hole (1a) of described reducing gearbox and differential bearing mounting platform (11), be provided with two oil baffles (12); In the inwall of one side of described bearing support (2), be provided with filler opening (23), in the inwall of opposite side, be provided with oil outlet (24), this oil outlet is relative with the top of oil baffle (12), and oil outlet is communicated with the inner chamber of bearing support (2), between oil outlet and filler opening, is communicated with by oil duct (21).
2. automobile driving axle main gear box assembly according to claim 1, is characterized in that: described two oil baffles are splayed shape from top to bottom, the outer side surface undulate of this oil baffle.
3. automobile driving axle main gear box assembly according to claim 1, is characterized in that: the outer wall of described bearing support (2) is provided with a collection chamber (22), and described filler opening (23) is communicated with this collection chamber.
4. automobile driving axle main gear box assembly according to claim 1, is characterized in that: on the outer wall of described reducing gearbox, and be provided with many first stiffening ribs (14) between its bearing support mounting hole (1a) and bottom surface mounting flange; On the outer wall of described differential carrier (9), and be circumferentially with many second stiffening ribs (15) along it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320699993.7U CN203641456U (en) | 2013-11-07 | 2013-11-07 | Main reducer assembly of automobile drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320699993.7U CN203641456U (en) | 2013-11-07 | 2013-11-07 | Main reducer assembly of automobile drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203641456U true CN203641456U (en) | 2014-06-11 |
Family
ID=50872702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320699993.7U Expired - Fee Related CN203641456U (en) | 2013-11-07 | 2013-11-07 | Main reducer assembly of automobile drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203641456U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134944A (en) * | 2015-09-24 | 2015-12-09 | 重庆大江工业有限责任公司 | Automobile driving axle main reducer assembly with separation/combination mechanism |
| CN109869474A (en) * | 2017-12-04 | 2019-06-11 | 陕西汉德车桥有限公司 | Main gearbox assembly and the vehicle for using the main gearbox assembly |
| CN109869468A (en) * | 2017-12-01 | 2019-06-11 | 陕西汉德车桥有限公司 | Main gearbox assembly and the vehicle for using the main gearbox assembly |
| CN111706667A (en) * | 2020-06-29 | 2020-09-25 | 江西江铃底盘股份有限公司 | Speed reducer for new energy light truck drive axle |
-
2013
- 2013-11-07 CN CN201320699993.7U patent/CN203641456U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134944A (en) * | 2015-09-24 | 2015-12-09 | 重庆大江工业有限责任公司 | Automobile driving axle main reducer assembly with separation/combination mechanism |
| CN109869468A (en) * | 2017-12-01 | 2019-06-11 | 陕西汉德车桥有限公司 | Main gearbox assembly and the vehicle for using the main gearbox assembly |
| CN109869474A (en) * | 2017-12-04 | 2019-06-11 | 陕西汉德车桥有限公司 | Main gearbox assembly and the vehicle for using the main gearbox assembly |
| CN111706667A (en) * | 2020-06-29 | 2020-09-25 | 江西江铃底盘股份有限公司 | Speed reducer for new energy light truck drive axle |
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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: 20140611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |