CN102518785A - Main speed reducer housing for light car axle - Google Patents
Main speed reducer housing for light car axle Download PDFInfo
- Publication number
- CN102518785A CN102518785A CN2011104548261A CN201110454826A CN102518785A CN 102518785 A CN102518785 A CN 102518785A CN 2011104548261 A CN2011104548261 A CN 2011104548261A CN 201110454826 A CN201110454826 A CN 201110454826A CN 102518785 A CN102518785 A CN 102518785A
- Authority
- CN
- China
- Prior art keywords
- bearing
- speed reducer
- bevel gear
- gear
- reducer housing
- 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.)
- Pending
Links
Images
Landscapes
- General Details Of Gearings (AREA)
Abstract
The invention discloses a main speed reducer housing for a light car axle, wherein a step for mounting a bearing is directly cast on the speed reducer housing; the bearing is directly assembled on the speed reducer housing; a driving bevel gear is directly assembled in a bearing hole; a through hole formed in a mounting surface of the speed reducer housing is directly connected with an axle housing; and reinforced ribs are arranged at the corresponding positions of the front bearing and the rear bearing both used for assembling the driving bevel gear, as well as the bearing of a differential gear. The main speed reducer housing for the light car axle effectively improves the engagement precision of the driving bevel gear; as the guide bearing is not adopted to support the driving bevel gear, the space is saved, the space base is provided for the wide tooth surface design of the gear, and the design concept of the high power density of the speed reducer is finally realized; through the reasonable arrangement and the optimized calculation of the supporting ribs, the basic wall thickness of the speed reducer housing can achieve the minimum degree of 4mm without influencing the service life of the gear, and realize the light scale design; and bearing burning and gear early failure are avoided through the verification of the rack and the road experiment, the matched requirements for the whole vehicle are satisfied.
Description
Technical field
The present invention relates to field of automobile, is that a kind of light-duty vehicle bridge is used integrated type specifically
The main reducing gear cast housing.
Background technique
Bevel housing is one of kernel component in the axle assembly, and its structure and intensity directly have influence on the performance and the working life of whole retarder.As shown in Figure 1, be the existing position of reducer shell in speed reducer assembly, and the component that are connected with reducer shell: sequence number 1 is a reducer shell; Sequence number 2 is drive bevel gear; Sequence number 3 is by dynamic bevel gear, and sequence number 4, sequence number 5 are to support the fore bearing and the rear bearing of drive bevel gear, and sequence number 6 is to support the guide bearing of drive bevel gear; Sequence number 7 is to support the bearing support of drive bevel gear front and back bearings; Bearing support 7 is connected on the reducer shell 1 through bolt 9, and sequence number 8 is differential mechanisms, and main support is by dynamic bevel gear 3; Fig. 2 is the 3-D view of existing retarder, and sequence number 1 is a reducer shell, and sequence number 7 is to support the bearing support of drive bevel gear front and back bearings, and sequence number 8 is differential mechanisms; Fig. 3 is the structure diagram of existing reducer shell, and sequence number 1 is a reducer shell, and sequence number 7 is to support the bearing support of drive bevel gear front and back bearings.Common heavy retarder drive bevel gear 2 adopts bearing support 7 to be installed on the reducer shell 1; Drive bevel gear 2 is supported by three bearings in groups; Be respectively a pair of fore bearing 4 and rear bearing 5 and guide bearing 6; This structure is owing to needing to arrange the bolt of coupling shaft bearing 7 and the mounting point of guide bearing 6, and is bigger to the spatial requirement of retarder, is suitable for the bigger structure of heavy vehicle bridge self Dimensions.And for light-duty vehicle bridge, the overall dimensions specification is less than normal, arranges that in limited space nut connects and guide bearing, and the space is narrow.
Summary of the invention
Adopt nut and the general deficiency bigger than normal of guide bearing connection space for overcoming existing light-duty vehicle bridge; Goal of the invention of the present invention is to provide a kind of light-duty vehicle bridge to use bevel housing; Adopt to reduce bearing support and with the support of the connected nut that subtracts shell and guide bearing to drive bevel gear; To satisfy of the requirement of Light-duty Vehicle power from motor transmitting torque to ground, improve the integrated support ability and the gear installation precision of housing, strengthen support strength and rigidity to bearing; Guarantee the requirement of Gear Meshing Stiffness, for high power density design provides the more useful space.
For realizing above-mentioned purpose; Technological scheme of the present invention is: on reducer shell, directly cast front step and the backward step that fore bearing and rear bearing are installed; Have the fore bearing hole and the rear bearing hole that are used to assemble fore bearing and rear bearing in the reducer shell; Fore bearing and rear bearing directly are assemblied on the reducer shell, and drive bevel gear directly is assemblied in the hole of fore bearing and rear bearing; The plane of the attachment face of reducer shell for the through hole of guide bearing need be installed; In the respective support position of fore bearing and the rear bearing of assembling drive bevel gear and differential bearing one, differential bearing two, be designed with stiffening rib one, stiffening rib two, the stiffening rib three of realization to the support of fore bearing and rear bearing and differential bearing one, differential bearing two.
The present invention is owing to reduced being connected of bearing support and reducer shell; Drive bevel gear does not need guide bearing to support; Reducer shell is not cast the position, hole of support guide bearing; While is the hole of processing and assembling guide bearing no longer, has improved the installation precision of drive bevel gear, has saved bolted space.
The present invention is in the relevant position of assembling forward and backward bearing of drive bevel gear and differential bearing one, differential bearing two; Stiffening rib one, stiffening rib two, stiffening rib three have been increased; Pass through computer simulation technique; The simulation stressing conditions of reducer shell under retarder in working state is basis for estimation with the intensity of housing with to the support stiffness of gear, supporting rib position reasonable in design; Reaching under the prerequisite that guarantees casing rigidity and gear support stiffness, the basic wall thickness of reducer shell is controlled at about 4mm.Effectively realized light-weight design, reduced complete vehicle quality, oil consumption reduces.
The present invention compared with prior art has the following advantages:
1, owing to adopts the spring bearing of drive bevel gear to be directly installed on the reducer shell; The installation precision of drive bevel gear is directly guaranteed by the machining accuracy of reducer shell; Do not exist the installation precision of bearing support to influence the installation precision of drive bevel gear, thereby effective assurance is provided for the accuracy of mesh of drive bevel gear.
2, owing to do not adopt guide bearing to support drive bevel gear, saved the space,, finally realized the design concept of the high power density of retarder for the wide flank of tooth design of gear provides space basis.
3, through the reasonable Arrangement and the computation optimization of supporting rib, the basic wall thickness minimum of reducer shell can reach 4mm, does not influence the life-span of gear simultaneously, has realized light-weight design.
4, through stand and roadway experiment checking, bearing do not occur and burn to death and gear early failue, satisfy the coupling needs of car load.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described further.
Fig. 1 is the existing location diagram of reducer shell in speed reducer assembly;
Fig. 2 is the 3-D view of Fig. 1;
Fig. 3 is the structure diagram of the reducer shell of Fig. 1;
Fig. 4 is the location diagram of reducer shell of the present invention in speed reducer assembly;
Fig. 5 is the 3-D view of Fig. 4;
Fig. 6 is the structure diagram of reducer shell 1;
Fig. 7 is the 3-D view of the direction of Fig. 6;
Fig. 8 is the 3-D view of another direction of Fig. 6.
Embodiment
Like Fig. 4, Fig. 5, Fig. 6, Fig. 7, shown in Figure 8; The present invention is on reducer shell 1; According to the requirement of gear engagement requirement and Bearing Installation precision, directly casting is used for installing respectively the front step 11 and backward step 10 of fore bearing 4 and rear bearing 5, and directly casts out the fore bearing hole 12 and rear bearing hole 9 that is used to assemble fore bearing 4 and rear bearing 5; Fore bearing 4 directly is assemblied on the reducer shell 1 with rear bearing 5, and drive bevel gear 2 directly is assemblied in the hole of fore bearing 4 and rear bearing 5; The attachment face of reducer shell 1 is the plane 16 that the through hole of guide bearing need be installed, and fixes through the screw thread on this face and the axle housing; Relevant position at the fore bearing 4 of assembling drive bevel gear 2 and rear bearing 5 and differential bearing 1, differential bearing 2 18 has stiffening rib 1, stiffening rib 2 14, stiffening rib 3 15.
The drive bevel gear 2 of reducer shell 1 of the present invention does not adopt bearing block structure and guiding supporting structure.The topological optimization 3D mockup of reducer shell is set up in this invention through PRO/i; Carrying out topological optimization through the HYPERWORKS finite element software calculates; According to result of calculation, adopt the PRO/i secondary to set up detailed 3D model again, secondary carries out simulation calculation through PATRAN, NASTRAN; Based on the stress and the distortion of calculating reducer shell 1 under the tired stand test stress of gear; Through contrasting with the allowable stress of material and the distortion of mark post product, optimize the 3D model repeatedly, finally adopt integrated support.The structure of this reducer shell 1 had both satisfied the needs of light bridge transmission of power, can reduce the bearing support nut simultaneously and connect and guide bearing, and corresponding structural strength and the rigidity that improves corresponding position of bearings improves the integrated support ability of housing and the installation precision of gear.
The present invention abandons the structure that heavy reducer shell drive bevel gear commonly used is supported by bearing support, and the cancellation bearing support adopts the bearing of drive bevel gear 2 to be directly installed on the reducer shell 1; The bearings of bevel gear adopts a pair of drive bevel gear 2 and is supported by dynamic bevel gear 3, does not adopt bevel gear to add the structure of guide bearing, and correspondence improves the support stiffness of 1 pair of main cone bearing of reducer shell, and this intensity in the bearings position of housing; Design process is introduced topology and is calculated and simulation calculation, and the stressing conditions of checking reducer shell 1 under experiment condition is through continuing to optimize the size and dimension of stiffening rib 1, stiffening rib 2 14, stiffening rib 3 15; Formation is to the support of bearing and gear; Continue to optimize the thickness of reducer shell 1, basic wall thickness minimum is accomplished 4mm, still can guarantee the strength and stiffness of housing; Can not influence gear life, accomplish light-weight design.
Claims (1)
1. a light-duty vehicle bridge is used bevel housing; It is characterized in that: go up front step (11) and the backward step (10) that fore bearing (4) and rear bearing (5) are installed in directly casting at reducer shell (1); Have the fore bearing hole (12) and rear bearing hole (9) that are used to assemble fore bearing (5) and rear bearing (4) in the reducer shell (1); Fore bearing (4) and rear bearing (5) directly are assemblied on the reducer shell (1), and drive bevel gear (2) directly is assemblied in the hole of fore bearing (4) and rear bearing (5); The plane (16) of the attachment face of reducer shell (1) for the through hole of guide bearing need be installed; In the respective support position of fore bearing (4) and the rear bearing (5) of assembling drive bevel gear and differential bearing one (17), differential bearing two (18), be designed with stiffening rib one (13), stiffening rib two (14), the stiffening rib three (15) of realization to the support of fore bearing (4) and rear bearing (5) and differential bearing one (17), differential bearing two (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104548261A CN102518785A (en) | 2011-12-30 | 2011-12-30 | Main speed reducer housing for light car axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104548261A CN102518785A (en) | 2011-12-30 | 2011-12-30 | Main speed reducer housing for light car axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102518785A true CN102518785A (en) | 2012-06-27 |
Family
ID=46289812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104548261A Pending CN102518785A (en) | 2011-12-30 | 2011-12-30 | Main speed reducer housing for light car axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102518785A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106536216A (en) * | 2014-07-11 | 2017-03-22 | 美国轮轴制造公司 | Axle assembly with carrier housing having increased strength and reduced mass |
| CN106570199A (en) * | 2015-10-10 | 2017-04-19 | 北汽福田汽车股份有限公司 | Structural strength calculation method and apparatus used for bearing seat or journal of sliding bearing |
| CN107228163A (en) * | 2016-03-24 | 2017-10-03 | Zf腓德烈斯哈芬股份公司 | Transmission for vehicles |
| CN107654623A (en) * | 2017-07-31 | 2018-02-02 | 唐山新宝泰钢铁有限公司 | The method for dismounting of decelerator and decelerator axis assembling assembly |
| CN111950178A (en) * | 2020-07-22 | 2020-11-17 | 中国第一汽车股份有限公司 | Gear automatic loading method based on HyperWorks software |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2199072Y (en) * | 1994-06-22 | 1995-05-31 | 周春耕 | Driving bridge for automobile |
| US20030144107A1 (en) * | 2002-01-31 | 2003-07-31 | Orr Brian Christian | Differential gear assembly |
| JP2005225255A (en) * | 2004-02-10 | 2005-08-25 | Tochigi Fuji Ind Co Ltd | Support structure for driving shaft |
| CN2761915Y (en) * | 2004-10-05 | 2006-03-01 | 湖南汽车车桥厂 | Automobile main speed reducer used for motor bus |
| CN201096184Y (en) * | 2007-09-08 | 2008-08-06 | 辽宁曙光汽车集团股份有限公司 | Main reducing gear assembly automobile drive bridge assembly for establishing bearing pretightening |
| CN201129441Y (en) * | 2007-12-25 | 2008-10-08 | 北泰汽车悬架制造(北京)有限公司 | Regulating mechanism of vehicle main reducing gear assembly |
| CN201795029U (en) * | 2010-08-13 | 2011-04-13 | 威海市九跃车桥有限公司 | Main reducing gear with center brake of compact automobile |
| CN201884615U (en) * | 2010-11-29 | 2011-06-29 | 济南福安达重汽零部件制造有限公司 | Axle main reducing gear casing and axle main reducing gear assembly |
| CN202392086U (en) * | 2011-12-30 | 2012-08-22 | 东风德纳车桥有限公司 | Main speed reducer shell for light vehicle bridge |
-
2011
- 2011-12-30 CN CN2011104548261A patent/CN102518785A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2199072Y (en) * | 1994-06-22 | 1995-05-31 | 周春耕 | Driving bridge for automobile |
| US20030144107A1 (en) * | 2002-01-31 | 2003-07-31 | Orr Brian Christian | Differential gear assembly |
| JP2005225255A (en) * | 2004-02-10 | 2005-08-25 | Tochigi Fuji Ind Co Ltd | Support structure for driving shaft |
| CN2761915Y (en) * | 2004-10-05 | 2006-03-01 | 湖南汽车车桥厂 | Automobile main speed reducer used for motor bus |
| CN201096184Y (en) * | 2007-09-08 | 2008-08-06 | 辽宁曙光汽车集团股份有限公司 | Main reducing gear assembly automobile drive bridge assembly for establishing bearing pretightening |
| CN201129441Y (en) * | 2007-12-25 | 2008-10-08 | 北泰汽车悬架制造(北京)有限公司 | Regulating mechanism of vehicle main reducing gear assembly |
| CN201795029U (en) * | 2010-08-13 | 2011-04-13 | 威海市九跃车桥有限公司 | Main reducing gear with center brake of compact automobile |
| CN201884615U (en) * | 2010-11-29 | 2011-06-29 | 济南福安达重汽零部件制造有限公司 | Axle main reducing gear casing and axle main reducing gear assembly |
| CN202392086U (en) * | 2011-12-30 | 2012-08-22 | 东风德纳车桥有限公司 | Main speed reducer shell for light vehicle bridge |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106536216A (en) * | 2014-07-11 | 2017-03-22 | 美国轮轴制造公司 | Axle assembly with carrier housing having increased strength and reduced mass |
| CN106536216B (en) * | 2014-07-11 | 2018-04-13 | 美国轮轴制造公司 | The axle assembly of carrier housing with intensity increase and weight reduction |
| CN106570199A (en) * | 2015-10-10 | 2017-04-19 | 北汽福田汽车股份有限公司 | Structural strength calculation method and apparatus used for bearing seat or journal of sliding bearing |
| CN106570199B (en) * | 2015-10-10 | 2020-03-24 | 北京宝沃汽车有限公司 | Method and device for calculating structural strength of bearing seat or journal of sliding bearing |
| CN107228163A (en) * | 2016-03-24 | 2017-10-03 | Zf腓德烈斯哈芬股份公司 | Transmission for vehicles |
| CN107228163B (en) * | 2016-03-24 | 2019-08-06 | Zf腓德烈斯哈芬股份公司 | Transmission for vehicles |
| CN107654623A (en) * | 2017-07-31 | 2018-02-02 | 唐山新宝泰钢铁有限公司 | The method for dismounting of decelerator and decelerator axis assembling assembly |
| CN111950178A (en) * | 2020-07-22 | 2020-11-17 | 中国第一汽车股份有限公司 | Gear automatic loading method based on HyperWorks software |
| CN111950178B (en) * | 2020-07-22 | 2022-08-16 | 中国第一汽车股份有限公司 | Gear automatic loading method based on Hyperworks software |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102518785A (en) | Main speed reducer housing for light car axle | |
| CN202392086U (en) | Main speed reducer shell for light vehicle bridge | |
| CN202164061U (en) | Adjustable installing and fixing device for oil pump of crane | |
| Rege et al. | Design and analysis of frame for electric motorcycle | |
| CN204955992U (en) | Suspension assembly and car | |
| CN100457493C (en) | Large power wheel tractor | |
| CN102548773A (en) | Modular axle for the running gear of a vehicle, particularly a motor vehicle | |
| CN203823013U (en) | Reduction case of hybrid electric vehicle | |
| CN105416406A (en) | Automobile instrument board beam assembly and assembling method | |
| CN106553520B (en) | Back suspension device of engine composite module and automobile front subframe assembly | |
| CN104295714A (en) | Right box of bi-gear gearbox assembly of electric vehicle | |
| CN202545757U (en) | Light-weighted speed reducer assembly | |
| CN202130529U (en) | Positioning bracket for engine assembly | |
| CN101966818B (en) | Single-rocker arm double-damping shock absorption system for automobile travel increasing apparatus | |
| CN202557615U (en) | Integrated automobile chassis supporting structure | |
| CN203995690U (en) | A kind of shift control mechanism assembly that mates front-engine rear-drive vehicle | |
| CN204210298U (en) | Stroke-increasing electric automobile suspension system and power assembly mounting structure thereof | |
| CN203516537U (en) | Parking brake mounting support and automobile main speed reducer assembly | |
| CN206830756U (en) | Differential design and vehicle | |
| CN204512306U (en) | A kind of mounting hole gathering selective gear apart from and eccentric shaft structure | |
| CN205292256U (en) | Electronic light bus driving motor mounting structure | |
| CN204278972U (en) | A kind of plate spring suspension brackets Multifunctional combined bracket | |
| JP2016060286A (en) | In-wheel motor drive device | |
| CN201554518U (en) | Structure of distributing dual-rotating-speed sensors on oil pan | |
| CN203395110U (en) | Angle transmission speed changer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120627 |