CN105539134B - Assemble vehicle bridge retarder easy to maintenance - Google Patents
Assemble vehicle bridge retarder easy to maintenance Download PDFInfo
- Publication number
- CN105539134B CN105539134B CN201511009215.0A CN201511009215A CN105539134B CN 105539134 B CN105539134 B CN 105539134B CN 201511009215 A CN201511009215 A CN 201511009215A CN 105539134 B CN105539134 B CN 105539134B
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- China
- Prior art keywords
- bearing
- driving gear
- vehicle bridge
- reducer shell
- gear shaft
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- 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
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- 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
It is a kind of to assemble vehicle bridge retarder easy to maintenance, it is more to solve the existing existing assembling link association part of traditional vehicle bridge retarder, influence assembling quality, efficiency, the problems such as field maintenance is difficult, including reducer shell, power input shaft supporting structure, vehicle bridge housing, semiaxis, differential mechanism and driven gear, it is characterized in that：Power input shaft supporting structure is made of the identical bearing of two row outer ring structures, the input torque flange and locking nut of fastening support bearing；The outer shroud of two row bearings is assembled in the bearing pilot hole of the same internal diameter of reducer shell, and inner ring is by input torque flange and locking nut fastening support on the corresponding diameter of axle of driving gear shaft.Its structure simplifies, design is reasonable, and assembling, field maintenance are easy to operate, effectively eliminates the unstability that reducer shaft holds assembly pretightening and clearance variation is brought, significantly improve bearing assembly precision and reduce vibrating noise, the rotational resistance of power input shaft supporting structure, prolonged deceleration device service life.
Description
Technical field
It is particularly a kind of to be used to make the dress that driving force is transferred to front-wheel or trailing wheel the present invention relates to a kind of automotive trannsmission system
With vehicle bridge retarder easy to maintenance.
Background technology
In face of low emission environmental requirement, domestic minicar in recent years, light bus and the quality pressure of imported car competition,
Service life and noise and transmission efficiency are driven to chassis（Retarder noise and quality guarantee cycle）Deng lifting require it is more and more stronger；I.e.
Bearing and gear are used superior（Lower resistance）, improve gear and bearing assembly precision, be finally reached and extend bearing service life
With the vibrating noise for reducing driving gear shaft support.Domestic corporation's leading technique upgrading on core members gear, just solves gear
Upgrading；Correspondingly domestic vehicle bridge retarder assembling quality systematicness upgrading, is also faced with another core members bearing（Clearance and pre-
Tightly）Assembling uniformity and the pressure for upgrading of the craft precision of key component reducer shell manufacture are, it is necessary to which structure updating is quickly dashed forward
It is broken.
Reported according to related patents, notification number is a kind of " the automobile main reducer assembly " of CN203730712U, is disclosed
A kind of automobile driving axle（Vehicle bridge）Single reduction gear；" automobile main reducer " that notification number is CN201255226Y is disclosed
Also it is a kind of automobile driving axle（Vehicle bridge）Single reduction gear；A kind of " before minicar of Publication No. CN101220850A
Speed reducer assembly " discloses a kind of single reduction gear of automobile front drive moving axis.
The power input shaft supporting structure of above-mentioned car deceleration device is all by by the driving gear shaft of spline engagement and defeated
Enter torque flange, utilize pretension clearance adjusting sleeve between two row separate bearings, bearing（Or separate set）, adjust pad and locking screw
Multiple association parts such as mother are assembled together with reducer shell.Reducing gearbox intracoelomic cavity is provided with the mutually different axis of internal diameter
Distribution is taken up, outer race carries out positioning support, axis by two of housing and the corresponding limiting stand of outside diameter of outer race
Inner ring is held by adjusting set（Or separate set）, input torque flange and nut fastening support driving gear shaft and bearing inner ring
The corresponding diameter of axle of internal diameter on.Due to the different bearing pilot hole of two internal diameters of processing housing cavity, concentricity is wanted
Ask higher, housing carries out outer race two limiting stands of positioning support and the adjustment of positioning support is carried out to bearing inner ring
Set（Or separate set）All it is the key component for directly affecting bearing assembly pretightening and clearance stability Deng the mutual cooperation of part, so
The design of above-mentioned power input shaft supporting structure can not meet the requirement of vehicle bridge retarder assembling quality upgrading.Because its two row is independent
Bearing fastening clearance is higher to assembly technology and equipment selection, therefore requires retarder assembling and manufacturing shop process equipment precision base
Be in sheet it is consistent with the bearing group reload request of bearing mnanufacture industry, therefore, the problem of foring overlapping investment high precise equipment.If
Retarder assembling, the precision of process equipment all do not catch up with the lifting speed of bearing accuracy, then assembling quality, efficiency will be subject to shadow
Ring, it is difficult to mitigate the pressure for upgrading of retarder assembling quality.
The power input shaft supporting structure of traditional retarder, if without special assembly equipment and experienced commissioning staff,
Lower resistance and bearing pre-tightened clearance so can not just be assembled close to the higher retarder of the assembling quality of " 0 ".To ensure bearing
The stability of assembly pretightening and clearance, bearing clearance also need to carry out secondary allotment when retarder assembles, and assemble this deceleration
Disposably input is also larger for the high precise equipment of device.Meanwhile limited by the power input shaft supporting structure on reducer shell, subtract
The field maintenance of fast device, only changes and returns factory, could realize and recover original assembly performance（Bearing pre-tightened clearance amount）, tieed up to scene
Repair and bring very big difficulty.
The content of the invention
Vehicle bridge retarder easy to maintenance is assembled the object of the present invention is to provide a kind of, existing traditional vehicle bridge is solved and slows down
The problems such as existing assembling link association part of device is more, influences assembling quality, efficiency, and field maintenance is difficult, its structure simplifies, design
Rationally, assembling, field maintenance are easy to operate, effectively eliminate reducer shaft hold assembly pretightening and clearance be deteriorated bring it is unstable
Property, significantly improve bearing assembly precision and reduce vibrating noise, the rotational resistance of power input shaft supporting structure, prolonged deceleration device
Service life.
The technical solution adopted by the present invention is：Assembling vehicle bridge retarder easy to maintenance includes reducer shell, with subtracting
Power input shaft supporting structure that fast device housing fits together, vehicle bridge housing, the semiaxis being assembled in axle shell body, differential mechanism
And the driven gear engaged with driving gear shaft end gear, the driven gear engaged with driving gear shaft end gear
It is fixedly connected on differential casing, is rotated with the input torque flange driving driving gear shaft end tooth of vehicle transmission axis connection
It is dynamic, drive differential mechanism and semiaxis to rotate by driven gear, driving force is transferred to front-wheel or trailing wheel, be characterized in that：Institute
Power input shaft supporting structure is stated by the axis identical with the outer ring structure that two row that reducer shell is assembled together are positioned opposite
Hold, by input torque flange and locking nut composition of the bearing fastening support on driving gear shaft；The bearing of reducer shell
Pilot hole uses the integral type slot hole of same internal diameter, and the bearing for making two row positioned opposite is integrated into assembled unit body, two row bearings
The outer shroud same internal diameter that is assembled in reducer shell bearing pilot hole in, and by the limiting stand of reducing gearbox intracoelomic cavity and
Locating snap ring carries out positioning support, and the inner ring of two row bearings passes through the input torque flange and lock with driving gear shaft spline engagement
Tight nut, fastening support are integrated into assembled unit on the corresponding diameter of axle of internal diameter with each bearing inner ring of driving gear shaft
The rolling element of the bearing of body forms stable support by outer shroud, inner ring and reducer shell.
The present invention has the advantage that and good effect is：Since the present invention is using by being assembled together with reducer shell
The identical bearing of two row outer ring structures positioned opposite, by input torque flange of the bearing fastening support on driving gear shaft and
Two row separate bearings on driving gear shaft, it is identical to be made outer ring structure by the power input shaft supporting structure that locking nut is formed
Bearing, eliminates bearing pre-tightened clearance adjusting sleeve（Or separate set）, will on reducer shell to outer race carry out positioning branch
Two limiting stands of support are arranged to one, and the bearing for making two row positioned opposite is integrated into assembled unit body.Bearing is integrated into combination
After cell cube, its rolling element can form stable support by outer shroud, inner ring and reducer shell（Realize that stable precision is high
Support structure for rotating body）, so not only simplifying its structure, design is reasonable, and assembling, maintenance operation are convenient, and can be effectively
The unstability that elimination main reducing gear bearing assembly pretightening and clearance variation are 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 slot hole, can improve machining accuracy, return and keep away former two bearing holes
Between concentricity problem.Bearing simplifies with bevel housing matching relationship, and the manufacture clearance between its two row rolling element is not
Influenced again by former reducer power input shaft supporting structure, reduce the clearance factors of instability, precision easy to implement significantly carries
Rise.It so can be achieved with bearing clearance and only manufacture allotment in bearing special manufacturer, without carrying out secondary tune when main reducing gear assembles
Match somebody with somebody, so that reducing assembling produces the big influence of changed play.No longer needed by more specification bearing pre-tighteneds due to assembling and repairing
Clearance adjusting sleeve（Or separate set）Choose to install and be deteriorated to compensate reducer shell, need to only be pressed defeated with driving gear shaft spline engagement
Enter torque flange, locking nut, institute exempts to debug so as to realizing that bearing assembles, and enormously simplify the operation such as assembling, maintenance
Processing step, significantly improves bearing assembly precision and reduces vibrating noise, the rotational resistance of power input shaft supporting structure, extend
Retarder service life.Therefore, it is more to solve the existing assembling link association part of existing traditional vehicle bridge retarder by the present invention, influences
The problems such as assembling quality, efficiency, field maintenance is difficult.
Brief description of the drawings
Below in conjunction with attached drawing, the invention will be further described.
Fig. 1 is a kind of structure diagram of the present invention；
Fig. 2 is the side view of Fig. 1.
Number explanation in figure：1 input torque flange, 2 seals, 3 reducer shells, 4 rolling elements, 5 outer shrouds, 6 axle shells
Body, 7 differential casings, 8 driven gears, 9 semiaxis, 10 driving gear shafts, 11 inner ring, 12 discs, 13 dust covers, 14 locking screws
It is female.
Embodiment
According to Fig. 1~2 concrete structure that the present invention will be described in detail.Assembling vehicle bridge retarder easy to maintenance includes slowing down
Device housing 3, the power input shaft supporting structure fitted together with reducer shell 3, vehicle bridge housing 6, be assembled in vehicle bridge housing 6
The parts such as interior semiaxis 9, differential mechanism and the driven gear 8 that is engaged with 10 end gear of driving gear shaft.Wherein power input shaft
Supporting structure is tight by bearing by the bearing identical with the outer ring structure that two row that reducer shell 3 is assembled together are positioned opposite
Admittedly the input torque flange 1 being supported on driving gear shaft 10, disc 12, dust cover 13 and locking nut 14 etc. are formed.Often
It is identical with structure that row bearing all includes completely identical in structure outer shroud 5, the discrepant inner ring 11 of the essentially identical internal diameter of structure
Rolling element 4 etc..Traditional adjusting sleeve between two row bearing inner rings 11 of the prior art is eliminated in the present embodiment（Or separate
Set）, two limiting stands that positioning support is carried out to outer race 5 of 3 inner cavity of reducer shell are only arranged to one, in retarder
The bearing pilot hole of housing 3 also uses the integral type slot hole of same internal diameter.Therefore, the bearing that two row can be made positioned opposite is integrated into
Assembled unit body.Because 5 structure of outer shroud for the two row bearings for being integrated into assembled unit body is identical, therefore reducing gearbox can be assembled in
In the bearing pilot hole of the same internal diameter of body 3, and positioning branch is carried out by the limiting stand and locating snap ring of 3 inner cavity of reducer shell
Support.The discrepant inner ring 11 of the essentially identical internal diameter of structure of two row bearings is turned round by the input with 10 spline engagement of driving gear shaft
Moments method orchid 1 and locking nut 14, the internal diameter corresponding diameter of axle with each bearing inner ring 11 of the fastening support in driving gear shaft 3
On.Stable branch can be formed by outer shroud 5, inner ring 11 and reducer shell 3 by being integrated into the rolling element 4 of the bearing of assembled unit body
Support（Realize the high support structure for rotating body of stable precision）.The driven gear 8 engaged with 10 end gear of driving gear shaft is solid
Surely it is connected on differential casing 7,10 end gear of driving gear shaft is driven with the input torque flange 1 of vehicle transmission axis connection
Rotate, drive differential mechanism and semiaxis 9 to rotate by driven gear 8, driving force is transferred to front-wheel or trailing wheel（Not shown in figure）.
Driving gear shaft 10 is driving force input shaft, can receive to rotate clockwise or rotate counterclockwise, maximum speed can
Up to 5000 revs/min, driving force changes transient response automobile engine and the gear stages of speed changer.It is above-mentioned to be integrated into assembled unit
The bearing of body, no longer needs by more specification bearing pre-tightened clearance adjusting sleeves because assembling and repairing（Or separate set）Choose to install to compensate
Reducer shell be deteriorated, therefore can realize bearing assembling exempt to debug, reach significantly improve bearing assembly precision and reduce power it is defeated
Enter vibrating noise, the rotational resistance of shaft supporting structure, the purpose of prolonged deceleration device service life.
Claims (1)
- Assemble vehicle bridge retarder easy to maintenance 1. a kind of, including reducer shell, fit together with reducer shell it is dynamic Power input shaft supporting structure, vehicle bridge housing, the semiaxis being assembled in axle shell body, differential mechanism and with driving gear shaft end tooth The driven gear of engagement is taken turns, the driven gear engaged with driving gear shaft end gear is fixedly connected on differential casing, with The input torque flange driving driving gear shaft end gear of vehicle transmission axis connection rotates, and differential mechanism is driven by driven gear Rotated with semiaxis, driving force is transferred to front-wheel or trailing wheel, it is characterised in that：The power input shaft supporting structure by with deceleration The identical bearing of two row outer ring structures positioned opposite that device housing is assembled together, by bearing fastening support in driving gear shaft On input torque flange and locking nut form；The bearing pilot hole of reducer shell is grown using the integral type of same internal diameter Hole, the bearing for making two row positioned opposite are integrated into assembled unit body, and the outer shroud of two row bearings is assembled in the same of reducer shell In the bearing pilot hole of internal diameter, and positioning support, two row bearings are carried out by the limiting stand and locating snap ring of reducing gearbox intracoelomic cavity Inner ring by input torque flange and locking nut with driving gear shaft spline engagement, fastening support is in driving gear shaft The corresponding diameter of axle of internal diameter with each bearing inner ring on, the rolling element for being integrated into the bearing of assembled unit body passes through outer shroud, interior Ring forms stable support with reducer shell.
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 CN105539134A (en) | 2016-05-04 |
| CN105539134B true CN105539134B (en) | 2018-05-04 |
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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 |
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| CN (1) | CN105539134B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654623B (en) * | 2017-07-31 | 2024-08-02 | 唐山新宝泰钢铁有限公司 | Speed reducer and disassembly method of shaft assembly component of speed reducer |
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 |
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| Publication number | Publication date |
|---|---|
| CN105539134A (en) | 2016-05-04 |
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