CN105539134A - Conveniently assembled and maintained axle speed reducer - Google Patents
Conveniently assembled and maintained axle speed reducer Download PDFInfo
- Publication number
- CN105539134A CN105539134A CN201511009215.0A CN201511009215A CN105539134A CN 105539134 A CN105539134 A CN 105539134A CN 201511009215 A CN201511009215 A CN 201511009215A CN 105539134 A CN105539134 A CN 105539134A
- Authority
- CN
- China
- Prior art keywords
- speed reducer
- bearing
- driving gear
- assembling
- assembled
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
- B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a conveniently assembled and maintained axle speed reducer for solving the problems of more related parts in the assembly link, assembling quality and efficiency influences, field maintenance difficulty and the like existing in the existing traditional axle speed reducer. The conveniently assembled and maintained axle speed reducer comprises a speed reducer shell, a power input shaft supporting structure, an axle shell, a half shaft, a differential and a driven gear. The conveniently assembled and maintained axle speed reducer is technically characterized in that the power input shaft supporting structure is composed of two columns of bearings with the same outer ring structures, input torque flanges for fastening and supporting the bearings and locking nuts, wherein outer rings of the two columns of bearings are assembled in bearing assembling holes with the same internal diameters of the speed reducer shell; and inner rings are fastened and supported on the corresponding shaft diameters of a driving gear shaft through the input torque flanges and the locking nuts. The conveniently assembled and maintained axle speed reducer is simplified in structure, reasonable in design and convenient in assembling and field maintaining operations; and instability caused by speed reducer bearing assembling and pre-tightening and clearance variation is effectively eliminated, the bearing assembling precision is remarkably improved, the vibration noise and rotation resistance of the power input shaft supporting structure is reduced, and the service life of the speed reducer is prolonged.
Description
Technical field
The present invention relates to a kind of automotive trannsmission system, particularly a kind of for making propulsive effort be passed to the assembling of front-wheel or trailing wheel vehicle bridge retarder easy to maintenance.
Background technology
In the face of anti-emission carburetor environmental demands, in recent years domestic mid-get car, the quality pressure that light bus and imported car are competed, the lifting of life-span and noise and driving efficiency (retarder noise and quality guarantee cycle) etc. is driven to require to chassis more and more stronger; Namely superior (low resistance) is used to bearing and gear, improve gear and bearing assemble precision, finally reach the vibrating noise extending bearing service life and reduce driving gear shaft support.Domestic corporation is leading technique upgrading on core members gear, is just solving gear upgrading; Correspondingly domestic vehicle bridge retarder assembling quality systematicness upgrading, also face the pressure for upgrading that the craft precision of conformability and the manufacture of critical parts reducer shell assembled by another core members bearing (play and pretension), Structure of need upgrading carrys out hasty breaching.
According to Patents report, notification number is " a kind of automobile main reducer assembly " of CN203730712U, disclosed in be the single reduction gear of a kind of automobile driving axle (vehicle bridge); It is also the single reduction gear of a kind of automobile driving axle (vehicle bridge) disclosed in " automobile main reducer " that notification number is CN201255226Y; It is a kind of single reduction gear of automobile front drive moving axis disclosed in " a kind of front speed reducer assembly of micro-car " that publication number is CN101220850A.
The power input shaft supporting construction of above-mentioned car deceleration device is all by by the driving gear shaft of spline engagement and input torque flange, utilizes that pretension play adjusting sleeve between two row separate bearings, bearing (or point spacer), adjustment pad and jam nut etc. are multiple associates part and reducer shell is assembled together.Namely reducing gearbox intracoelomic cavity is provided with the mutually different bearing assemble hole of internal diameter, outer race positions support by two of housing limit daiss corresponding with the external diameter of outer race, and bearing inner ring is supported on the diameter of axle corresponding with the internal diameter of bearing inner ring of driving gear shaft with fastening nuts by adjusting sleeve (or point spacer), input torque flange.Due to the bearing assemble hole that two internal diameters processing housing cavity are different, higher to the requirement of right alignment, housing positions two limit daiss of support to outer race and bearing inner ring is positioned to the cooperatively interacting of the part such as adjusting sleeve (or point spacer) of support, all the critical parts directly affecting bearing assemble pretension and play stability, so the design of above-mentioned power input shaft supporting construction cannot meet the requirement of vehicle bridge retarder assembling quality upgrading.Because of the fastening play of its two row separate bearings to assembly technology and equipment choice higher, therefore require that retarder assembling and manufacturing shop Fabricating machinery precision are consistent with the bearing set reload request of bearing mnanufacture industry substantially, therefore, the problem of overlapping investment high precise equipment is defined.If the precision of retarder assembling, Fabricating machinery does not all catch up with the hoisting speed of bearing accuracy, then assembling quality, efficiency will be affected, and be difficult to the pressure for upgrading alleviating retarder assembling quality.
The power input shaft supporting construction of tradition retarder, if without special rigging equipment and experienced commissioning staff, so just cannot assemble out low resistance and bearing pre-tightened play close to the higher retarder of the assembling quality of " 0 ".For guaranteeing the stability of bearing assemble pretension and play, bearing clearance also needs to carry out secondary allotment when retarder assembles, and the disposable input of high precise equipment of assembling this retarder is also larger.Meanwhile, by the restriction of the power input shaft supporting construction on reducer shell, the on site maintenance of retarder, only changes and returns factory, could realize recovering original assembly performance (bearing pre-tightened play amount), brings very large difficulty on site maintenance.
Summary of the invention
The object of this invention is to provide and a kind ofly assemble vehicle bridge retarder easy to maintenance, the assembling link association part solving existing traditional vehicle bridge retarder existence is many, affect assembling quality, efficiency, the problems such as on site maintenance difficulty, its designs simplification, reasonable in design, assembling, on site maintenance is easy to operate, effectively eliminate retarder bearing assemble pretension and play to be deteriorated the fugitiveness brought, significantly improve bearing assemble precision and reduce vibrating noise, the rotational resistance of power input shaft supporting construction, prolonged deceleration device service life.
The technical solution used in the present invention is: this assembling vehicle bridge retarder easy to maintenance comprises reducer shell, the power input shaft supporting construction that fits together with reducer shell, vehicle bridge housing, the semiaxis be assembled in vehicle bridge housing, diff and the ring gear that engages with driving gear shaft end gear, its technical essential is: described power input shaft supporting construction arranges the identical bearing of outer ring structure positioned opposite by with reducer shell is assembled together two, the input torque flange of bearing fastening support on driving gear shaft and jam nut is formed; The outer shroud of two row bearings is assembled in the bearing assemble hole of the same internal diameter of reducer shell, and position support by the limit dais of reducing gearbox intracoelomic cavity and locating ring, the inner ring of two row bearings is by the input torque flange and jam nut with driving gear shaft spline engagement, and fastening support is on the diameter of axle corresponding with the internal diameter of each bearing inner ring of driving gear shaft.
The described ring gear engaged with driving gear shaft end gear is fixedly connected on differential casing, the input torque flange be connected with car load transmission shaft drives driving gear shaft end gear to rotate, drive diff and semiaxis to rotate by ring gear, make propulsive effort be passed to front-wheel or trailing wheel.
The advantage that the present invention has and good effect are: arrange the identical bearing of outer ring structure positioned opposite because the present invention adopts by with reducer shell is assembled together two, by the input torque flange of bearing fastening support on driving gear shaft and the power input shaft supporting construction of jam nut formation, two row separate bearings on driving gear shaft are made the identical bearing of outer ring structure, eliminate bearing pre-tightened play adjusting sleeve (or point spacer), reducer shell will be set to one to two limit daiss that outer race positions support, two row bearing positioned opposite is made to be integrated into assembled unit body.After bearing is integrated into assembled unit body, its rolling body can form stable support (realizing the support structure for rotating body that stable precision is high) by outer shroud, inner ring and decelerating casing, so not only make its designs simplification, reasonable in design, assembling, maintenance operation are convenient, and effectively can eliminate main reduction gear bearing assemble pretension and play and to be deteriorated the fugitiveness brought.Because the outer ring structure of two row bearings is identical, therefore the mounting hole of two row bearings on housing can integrate formula elongated hole, can improve working accuracy, return the right alignment problem of keeping away between former two bearing holes.Bearing and bevel housing matching relationship simplify, and the manufacture play between its two row rolling body, no longer by the impact of former reducer power input shaft supporting construction, reduces the play factors of instability, easily realizes precision and significantly promote.So just can realize bearing clearance and only manufacture allotment in bearing special manufacturer, when noting be used in main reduction gear assembling, carry out secondary allotment, thus minimizing assembling produces the large impact of changed play.Be deteriorated because assembling and maintenance no longer need to select dress to compensate reducer shell by many specifications bearing pre-tightened play adjusting sleeve (or point spacer), only need press-fit the input torque flange with driving gear shaft spline engagement, jam nut, so bearing assemble can be realized exempt from debugging, enormously simplify the operating procedure steps such as assembling, maintenance, significantly improve bearing assemble precision and reduce vibrating noise, the rotational resistance of power input shaft supporting construction, prolonged deceleration device service life.Therefore, the assembling link association part that the invention solves existing traditional vehicle bridge retarder existence is many, affects assembling quality, efficiency, the problems such as on site maintenance difficulty.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the lateral plan of Fig. 1.
In figure, sequence number illustrates: 1 input torque flange, 2 sealing members, 3 reducer shells, 4 rolling bodys, 5 outer shrouds, 6 vehicle bridge housings, 7 differential casings, 8 ring gears, 9 semiaxis, 10 driving gear shafts, 11 inner ring, 12 oils slinger, 13 dust boots, 14 jam nuts.
Detailed description of the invention
Concrete structure of the present invention is described in detail according to Fig. 1 ~ 2.The part such as the power input shaft supporting construction that this assembling vehicle bridge retarder easy to maintenance comprises reducer shell 3, fit together with reducer shell 3, vehicle bridge housing 6, the semiaxis 9 be assembled in vehicle bridge housing 6, diff and the ring gear 8 that engages with driving gear shaft 10 end gear.Wherein power input shaft supporting construction arranges the identical bearing of outer ring structure positioned opposite by with reducer shell 3 is assembled together two, by formations such as the input torque flange 1 of bearing fastening support on driving gear shaft 10, oil slinger 12, dust boot 13 and jam nuts 14.Often row bearing all comprises the identical outer shroud of structure 5, the discrepant inner ring of the basic same inner diameter of structure 11 and the identical rolling body 4 of structure etc.Traditional adjusting sleeve (or point spacer) between the two row bearing inner rings 11 eliminating prior art in the present embodiment, reducer shell 3 inner chamber one is only set to two limit daiss that outer race 5 positions support, also adopt the integral type elongated hole of same internal diameter in the bearing assemble hole of reducer shell 3.Therefore, two row bearing positioned opposite can be made to be integrated into assembled unit body.Because outer shroud 5 structure of the two row bearings that are integrated into assembled unit body is identical, therefore can be assembled in the bearing assemble hole of the same internal diameter of reducer shell 3, and position support by the limit dais of reducer shell 3 inner chamber and locating ring.The discrepant inner ring 11 of the basic same inner diameter of structure of two row bearings is by the input torque flange 1 and jam nut 14 with driving gear shaft 10 spline engagement, and fastening support is on the diameter of axle corresponding with the internal diameter of each bearing inner ring 11 of driving gear shaft 3.The rolling body 4 being integrated into the bearing of assembled unit body can form stable support (realizing the support structure for rotating body that stable precision is high) by outer shroud 5, inner ring 11 with decelerating casing 3.The ring gear 8 engaged with driving gear shaft 10 end gear is fixedly connected on differential casing 7, the input torque flange 1 be connected with car load transmission shaft drives driving gear shaft 10 end gear to rotate, drive diff and semiaxis 9 to rotate by ring gear 8, make propulsive effort be passed to front-wheel or trailing wheel (not shown).
Driving gear shaft 10 is propulsive effort input shafts, can accept clickwise or left-hand revolution, and maximum speed of revolution can reach 5000 revs/min, the gear stages of propulsive effort change transient response automotive engine and change-speed box.The above-mentioned bearing being integrated into assembled unit body, be deteriorated because assembling and maintenance no longer need to select dress to compensate reducer shell by many specifications bearing pre-tightened play adjusting sleeve (or point spacer), therefore can realize bearing assemble exempt from debugging, reach the vibrating noise, the rotational resistance that significantly improve bearing assemble precision and reduce power input shaft supporting construction, the object in prolonged deceleration device service life.
Claims (2)
1. the vehicle bridge retarder that an assembling is easy to maintenance, the power input shaft supporting construction comprise reducer shell, fitting together with reducer shell, vehicle bridge housing, the semiaxis be assembled in vehicle bridge housing, diff and the ring gear engaged with driving gear shaft end gear, it is characterized in that: described power input shaft supporting construction arranges the identical bearing of outer ring structure positioned opposite by with reducer shell is assembled together two, the input torque flange of bearing fastening support on driving gear shaft and jam nut are formed; The outer shroud of two row bearings is assembled in the bearing assemble hole of the same internal diameter of reducer shell, and position support by the limit dais of reducing gearbox intracoelomic cavity and locating ring, the inner ring of two row bearings is by the input torque flange and jam nut with driving gear shaft spline engagement, and fastening support is on the diameter of axle corresponding with the internal diameter of each bearing inner ring of driving gear shaft.
2. the vehicle bridge retarder that assembling according to claim 1 is easy to maintenance, it is characterized in that: the described ring gear engaged with driving gear shaft end gear is fixedly connected on differential casing, the input torque flange be connected with car load transmission shaft drives driving gear shaft end gear to rotate, drive diff and semiaxis to rotate by ring gear, make propulsive effort be passed to front-wheel or trailing wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511009215.0A CN105539134B (en) | 2015-12-30 | 2015-12-30 | Assemble vehicle bridge retarder easy to maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511009215.0A CN105539134B (en) | 2015-12-30 | 2015-12-30 | Assemble vehicle bridge retarder easy to maintenance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105539134A true CN105539134A (en) | 2016-05-04 |
| CN105539134B CN105539134B (en) | 2018-05-04 |
Family
ID=55818862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511009215.0A Active CN105539134B (en) | 2015-12-30 | 2015-12-30 | Assemble vehicle bridge retarder easy to maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105539134B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1293373A2 (en) * | 2001-09-14 | 2003-03-19 | Tochigi Fuji Sangyo Kabushiki Kaisha | Motor power train and method of assembling the same |
| CN101354232A (en) * | 2008-06-25 | 2009-01-28 | 辽宁曙光汽车集团股份有限公司 | Method and system for measuring and choosing adjusting washer of differential bearing of cannula type main gearbox assembly |
| CN201502682U (en) * | 2009-08-21 | 2010-06-09 | 方盛车桥（柳州）有限公司 | Automobile main reducer assembly |
| CN205292284U (en) * | 2015-12-30 | 2016-06-08 | 辽宁曙光汽车集团股份有限公司 | Assembly easy maintenance's axle reduction gear |
-
2015
- 2015-12-30 CN CN201511009215.0A patent/CN105539134B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1293373A2 (en) * | 2001-09-14 | 2003-03-19 | Tochigi Fuji Sangyo Kabushiki Kaisha | Motor power train and method of assembling the same |
| CN101354232A (en) * | 2008-06-25 | 2009-01-28 | 辽宁曙光汽车集团股份有限公司 | Method and system for measuring and choosing adjusting washer of differential bearing of cannula type main gearbox assembly |
| CN201502682U (en) * | 2009-08-21 | 2010-06-09 | 方盛车桥（柳州）有限公司 | Automobile main reducer assembly |
| CN205292284U (en) * | 2015-12-30 | 2016-06-08 | 辽宁曙光汽车集团股份有限公司 | Assembly easy maintenance's axle reduction gear |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105539134B (en) | 2018-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205331352U (en) | Spur gear differential mechanism | |
| CN210852018U (en) | Integrated form electric drive system | |
| CN204476495U (en) | The integral structure of balance shaft of engine and oil pump | |
| CN102616133B (en) | Electrical vehicular power assembly | |
| CN112324865B (en) | Wheel rim shell-reducing and cantilever type planetary gear structure assembly | |
| CN105539134A (en) | Conveniently assembled and maintained axle speed reducer | |
| CN205064022U (en) | Engine and automobile | |
| CN205292284U (en) | Assembly easy maintenance's axle reduction gear | |
| CN205371472U (en) | Wheel limit structure and operation machinery of planet gear , leveler | |
| CN201281110Y (en) | Straight-connecting device between angle drive and clutch | |
| CN106481736A (en) | Double motive power driving gear-boxes and freewheel clutch integrated | |
| CN203627752U (en) | Assembly structure for planet carrier of high speed and heavy load planetary speed reducer | |
| CN203157718U (en) | Adjustable automobile transmission shaft intermediate support assembly | |
| CN206280440U (en) | Double motive power driving gear-boxes and freewheel clutch are integrated | |
| CN210821788U (en) | Coaxial electric drive system | |
| CN114396461A (en) | Industrial robot hollow cycloid speed reduction all-in-one machine | |
| CN104813075A (en) | Drive train device for a motor vehicle and production process for a drive train device | |
| CN204186961U (en) | A kind of durable type main reducing gear of drive axle assembly | |
| CN203009705U (en) | Main reducing gear assembly used for motor drive axle | |
| CN209324974U (en) | Breakaway-element gear-box | |
| CN210034327U (en) | Differential mechanism structure of automobile front-drive transmission | |
| CN202115344U (en) | Main speed reducer on rear axles of electric motor tricycle and four-wheeled motor cycle | |
| CN113007318A (en) | Speed reducer assembly and speed reducer shell assembly | |
| CN203348491U (en) | Split differential shell with large power | |
| CN206159363U (en) | Engine power output structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |