CN107504160A - A kind of vehicle transmission axle construction - Google Patents
A kind of vehicle transmission axle construction Download PDFInfo
- Publication number
- CN107504160A CN107504160A CN201710686740.9A CN201710686740A CN107504160A CN 107504160 A CN107504160 A CN 107504160A CN 201710686740 A CN201710686740 A CN 201710686740A CN 107504160 A CN107504160 A CN 107504160A
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- Prior art keywords
- face
- cylinder
- housing
- bearing shell
- revolution
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
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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
- B60K17/22—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
- F16C3/023—Shafts; Axles made of several parts, e.g. by welding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
- F16C3/026—Shafts made of fibre reinforced resin
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/32—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels
- F16F15/322—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels the rotating body being a shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0006—Vibration-damping or noise reducing means specially adapted for gearings
Abstract
The present invention relates to a kind of vehicle transmission axle construction, including spindle nose, two bearing shells, housing, yoke and liner housing；Liner housing is arranged in housing, and one end of one end insertion housing of spindle nose is simultaneously connected with one end of liner housing, is then fixedly connected by a bearing shell；The other end of one end insertion housing of yoke is simultaneously connected with the other end of liner housing, is then fixedly connected by another bearing shell.The technical program reduces the weight of power transmission shaft by the way that housing is arranged into FRP reinforced plastics, energy-saving consumption-reducing, reduces the residual unbalance, of power transmission shaft, and power transmission shaft is fixed.
Description
Technical field
The invention belongs to technical field of automobile transmission, particularly relates to a kind of vehicle transmission axle construction.
Background technology
Driving-shaft assembly is made up of universal joint and drive shaft, also installs intermediate support additional sometimes.It is mainly used to worked
Changing two between centers of relative position transmit torque and rotary motion in journey.
Driving-shaft assembly design should meet following basic demand：
1), can reliably passing power when ensureing that connected two axle relative positions change in expected range.
2) ensure to connect two axles constant speed drive as far as possible.Due to true joint angle caused additional load, vibration and
Noise should be in allowed band.
3) transmission efficiency, service life length is simple in construction, easily manufactured, and maintenance is easy etc..
Driving-shaft assembly is applied than wide on automobile.On the automobile of engine rear or a11wheel drive, by
In the deformation of resilient suspension, the axis relative position of speed changer or transfer gear output shaft and drive axle input shaft often changes, institute
Generally to use cross axle driving-shaft assembly.In steering and driving axle, the angle between inside and outside semiaxis needs and become with traveling,
At this moment it is use constant speed drive's axle assembly more.When rear driving axle is independent suspension, it is also necessary to using driving-shaft assembly.
Whether universal joint has obvious elasticity by torsional direction, can be divided into rigid universal joint and flexible universal joint.Rigidity ten thousand
It is the hinge type connection passing power by part to section, is divided into nonconstant velocity universal joint (such as Cardon universal joint), quasi- constant velocity universal
Save (such as twin, projection formula, three pin types) and constant velocity cardan joint (such as curved grooved type, ball cage type).Flexible universal joint is to lean on
Elastic part passing power, there is buffer shock-absorbing effect.
When nonconstant velocity universal joint refers to that the angle of two power transmission shafts of universal joint connection is more than zero, output shaft and input shaft it
Between moved with the instantaneous angular velocity of change than transmitting, but mean angular velocity is than the universal joint for 1.Near constant velocity universal joint refers to setting
Instantaneous angular velocity ratio when being moved than transmitting with the instantaneous angular velocity equal to 1 when being worked under meter angle, and being worked under other angles
It is approximately equal to 1 universal joint.Output shaft and input shaft are referred to as with universal joint of the instantaneous angular velocity equal to 1 than transmitting motion
Constant velocity cardan joint.
Each auto vendor will carry out light-weight design in progress automotive light weight technology, each parts now.Use
Fibre reinforced plastics (FRP) carry out alternative metals material, not only can significantly reduce the quality of parts, and may also suppress vibration and
Noise, meanwhile, fuel economy is lifted, reduces CO2 emissions.
The automobile of prior art from speed changer to drive axle all using driving-shaft assembly connect, driving-shaft assembly have a section or
More piece power transmission shaft, more piece power transmission shaft are linked together by nonconstant velocity universal joint.It is total for prior art power transmission shaft as shown in Figure 1
Into, including cross axle 01, cross bracing strut 02, cardan-shaft suspension 03, power transmission shaft 04, spindle nose 041, housing 042, balance weight 043
And yoke 044 forms a nonconstant velocity universal joint.
There is bearing in cardan-shaft suspension, bearing inner race is enclosed on the axle of end, and power transmission shaft rotates around bearing axis, cardan-shaft suspension
It is fixed on by mounting hole on vehicle body.
There is needle bearing four ends of cross axle, and spindle nose and yoke all can be each around its axis with cross axle installation
Rotation.
Power transmission shaft is mainly acted in passing power by twisting resistance, and the bigger distorting stress of diameter is smaller, so power transmission shaft
Spindle nose and yoke diameter use very long cylindrical metal container, and by together with spindle nose, yoke and case weld.
Due to reasons such as the bending of power transmission shaft, the off(-)centers of uneven, the front and rear installation portion of weight, when power transmission shaft rotates
Flexural vibrations are produced, with the rising of speed, vibration increases therewith, when the speed of power transmission shaft bends eigentone close to it
When, covibration is occurred as soon as, so that amplitude increased dramatically and cause transmission axle fracture, now speed is that the danger of power transmission shaft turns
Speed.The dangerous rotating speed of power transmission shaft depends on the size, structure and supporting situation of power transmission shaft.Increase a mass on power transmission shaft
Shock absorber, thus it is possible to vary the size of dangerous rotating speed, so that dangerous rotating speed avoids working speed, welding one is flat such as on housing
Weigh block, pulls open dangerous rotating speed and working speed, reduces vibration and noise.
In the driving-shaft assembly of prior art, transmission shaft shell is very long cylindrical metal container, requirement on machining accuracy
Compare high, weight is big；It is required that various sizes of balance weight, will also be welded on housing, welding stress influences housing torsional strength.
The content of the invention
It is an object of the invention to provide a kind of vehicle transmission axle construction, to solve the weight of the driving-shaft assembly of prior art
Greatly, the problem of requirement on machining accuracy is higher and needs various sizes of balance weight.
The present invention is achieved by the following technical solutions：
A kind of vehicle transmission axle construction, including spindle nose, two bearing shells, housing, yoke and liner housing；
The liner housing is arranged in the housing, one end of the spindle nose insert one end of the housing and with it is described
One end connection of liner housing, is then fixedly connected by a bearing shell；
One end of the yoke is inserted the other end of the housing and is connected with the other end of the liner housing, Ran Houtong
Another bearing shell is crossed to be fixedly connected.
The spindle nose is rotary body, is provided with screwed hole in one end of the spindle nose, the outer surface of the spindle nose axially according to
Secondary is cross axle bracket mounting face, bearing mounting surface, small cylindrical surface, axially end face, groove, axle anchor ring and axial cylindrical face arranged side by side；
The axial direction groove arranged side by side is plural annular groove.
The bearing shell includes the top brass and lower brasses of relative connection；The top brass and lower brasses pass through riveting
Nail is fixedly connected；
The top brass is identical with the structure of the lower brasses, can exchange；
The top brass includes bearing shell body and the connecting portion at the bearing shell body both ends, is set on the connecting portion
There is rivet hole；
The bearing shell body is arcuate structure, the inner surface of the bearing shell body be followed successively by spacing annulus, the middle face of cylinder,
The small arc-shaped surfaces of revolution, the orthodrome surfaces of revolution and the inner face of cylinder；
The spacing annulus is engaged with the small cylindrical surface and end face；The middle face of cylinder, the small arc-shaped surfaces of revolution, great circle
The arc surfaces of revolution and the inner face of cylinder are used to coordinate with the installation of the housing.
The bearing shell body outer surface relative with the inner face of cylinder is provided with end reinforcing rib, in the bearing shell
Body outer surface is provided with counterweight ring and with repeated hole.
The diameter on the middle face of cylinder, the diameter of the small arc-shaped surfaces of revolution, the orthodrome surfaces of revolution diameter and it is described in
The diameter on the end face of cylinder is sequentially reduced.
The liner housing is tubular-shaped structures, the fiber reinforcement plastic being entwined by the fiber or fibre bundle that infiltrated resin
Material composition.
One end of the yoke is provided with interior blind hole, and the other end is provided with cross shaft mounting hole, in the appearance of the yoke
Face is disposed with the fork face of cylinder, fork anchor ring, fork simultaneously from the one end for being provided with interior blind hole to the cross shaft mounting hole direction
Row groove, annulus end face, groove and fork body；The cross shaft mounting hole is arranged on the fork body；
The fork face of cylinder and the fork anchor ring are used to be connected with one end of the liner housing, fork groove arranged side by side and
One end of the housing is fixedly connected.
The housing is FRP reinforced plastics, and when the housing extends from end to middle part, the outer surface of the housing is successively
Including big the end face of cylinder, the small arc surfaces of revolution, the big arc surfaces of revolution, the transition face of cylinder and the body face of cylinder；
The inner surface setting relative with the big end face of cylinder has interior row raised；
The big end face of cylinder, the small arc surfaces of revolution and the big arc surfaces of revolution are used for the installation of bearing shell.
A diameter of D1 on the body face of cylinder, a diameter of D2 on the transition face of cylinder, the big end face of cylinder it is straight
Footpath is D3；The D1 ＜ D2 ＜ D3.
Distance on the inside of the transition face of cylinder to shell end is L1；Anchor ring is to bearing shell medial end on the inside of spacing annulus
Distance is L2；It is described fork anchor ring to the distance of the annulus end face be L3；The end face of the yoke to the annulus end face
Distance is L4；The L1 ＞ L4 ＞ L2 ＞ L3.
The beneficial effects of the invention are as follows：
The technical program reduces the weight of power transmission shaft, energy-saving consumption-reducing, reduced by the way that housing is arranged into FRP reinforced plastics
The residual unbalance, of power transmission shaft, and the power transmission shaft is fixed.
Brief description of the drawings
Fig. 1 is prior art driving-shaft assembly schematic diagram；
Fig. 2 is transmission shaft structure schematic diagram of the present invention；
Fig. 3 is power transmission shaft front view of the present invention；
Fig. 4 is power transmission shaft upward view of the present invention；
Fig. 5 is Fig. 3 A-A sectional views；
Fig. 6 is enlarged drawing at Fig. 5 I；
Fig. 7 is spindle nose schematic diagram；
Fig. 8 is bearing shell schematic diagram；
Fig. 9 is body diagram；
Figure 10 is yoke schematic diagram.
Description of reference numerals
01 cross axle, 02 cross bracing strut, 03 cardan-shaft suspension, 04 power transmission shaft, 041 spindle nose, 042 housing, 043 balance
Block, 044 yoke, 1 spindle nose, 11 screwed holes, 12 cross axle bracket mounting faces, 13 bearing mounting surfaces, 14 small cylindrical surfaces, 15 end faces,
16 axles groove arranged side by side, 17 axial cylindrical faces, 18 axle anchor rings, 2 bearing shells, 21 rivet holes, 22 spacing annulus, in 23 the face of cylinder, 24 roundlets
The arc surfaces of revolution, the 25 orthodrome surfacess of revolution, the 26 inner faces of cylinder, 27 end reinforcing ribs, 28 counterweight rings, 29 match somebody with somebody repeated hole, 3 housings, and 31
Interior row is raised, the 32 big end faces of cylinder, the 33 small arc surfacess of revolution, the 34 big arc surfacess of revolution, the 35 transition faces of cylinder, the 36 body faces of cylinder, 4 axles
Pitch, blind hole in 41,42 fork grooves arranged side by side, 43 grooves, 44 fork bodies, 45 cross shaft mounting holes, 46 annulus end faces, 47 fork anchor rings, 48
Pitch the face of cylinder, 49 fabrication holes, 5 rivets, 6 liner housings.
Embodiment
Describe technical scheme in detail by the following examples, following embodiment be only it is exemplary, only
Explanation and illustration technical scheme can be used for, and be not to be construed as the limitation to technical solution of the present invention.
The application provides a kind of vehicle transmission axle construction, as shown in Fig. 2 to Figure 10, including spindle nose, two bearing shells, housing,
Yoke and liner housing.
Liner housing is arranged in housing, and one end of one end insertion housing of spindle nose is simultaneously connected with one end of liner housing,
Then it is fixedly connected by a bearing shell.
The other end of one end insertion housing of yoke is simultaneously connected with the other end of liner housing, then passes through another bearing shell
It is fixedly connected.
Spindle nose 1 is rotary body, and cross axle is axially followed successively by the outer surface that the end set of spindle nose has screwed hole 11, spindle nose
Bracket mounting face 12, bearing mounting surface 13, small cylindrical surface 14, end face 15, axle groove 16 arranged side by side, axial cylindrical face 17, axle anchor ring 18.
Screwed hole 11 and cross axle mounting surface 12 are used for the connection of cross bracing strut；Bearing mounting surface 13 is used to install drive axle support axle
The installation held；Small cylindrical surface 14 and end face 15 are used for the installation of the end of bearing shell 2 and spacing；Axle groove 16 arranged side by side is plural annular groove,
Formation for interior row's projection 31 of the end of housing 3；Axial cylindrical face 17, axle anchor ring 18 are used for the installation of liner housing 6.
The bearing shell includes the top brass and lower brasses of relative connection；The top brass and lower brasses pass through riveting
Nail is fixedly connected.
The top brass is identical with the structure of the lower brasses, can exchange.
The top brass includes bearing shell body and the connecting portion at the bearing shell body both ends, is set on the connecting portion
There is rivet hole.
The bearing shell body is arcuate structure, the inner surface of the bearing shell body be followed successively by spacing annulus, the middle face of cylinder,
The small arc-shaped surfaces of revolution, the orthodrome surfaces of revolution and the inner face of cylinder.
The diameter on the middle face of cylinder, the diameter of the small arc-shaped surfaces of revolution, the orthodrome surfaces of revolution diameter and it is described in
The diameter on the end face of cylinder is sequentially reduced.
Rivet hole 21 is the via of rivet 5, for bearing shell 2 to be fixedly mounted；On the spacing inner side anchor ring of annulus 22 and spindle nose 1
Annulus end face 46 on end face 15, yoke 4 is bonded, and the outer end for bearing shell 2 is spacing, while is also used for the spacing of the both ends of housing 3,
The distance of the spacing inner side anchor ring of annulus 22 to the medial end of bearing shell 2 is L2；The middle face of cylinder 23, the small arc-shaped surfaces of revolution 24, great circle
The arc surfaces of revolution 25, the inner face of cylinder 26 are used for bearing shell and the installation of the end of housing 3, meanwhile, housing 3 is acted on by power and moment of torsion
Afterwards, limit the small arc surfaces of revolution 33 on housing 3 and the big arc surfaces of revolution 34 moves inward trend, ensure what the end of housing 3 was fixed
Reliability；End reinforcing rib 27 is used for the intensity for improving bearing shell；The one side of counterweight ring 28 plays the enhancing effect of bearing shell 2, another
Aspect, when driving-shaft assembly rotates when vibrating bigger, can be beaten in counterweight ring and a plurality of match somebody with somebody repeated hole 29, reduction residual unbalance,
Big side weight, so that reducing vibration.
The interior outside of liner housing 6 is all the single face of cylinder, by infiltrating the fiber or fibre bundle of resin on steel pipe
The fibre reinforced plastics (FRP) being entwined.
Have on yoke 4 interior blind hole 41, fork groove 42 arranged side by side, groove 43, fork body 44, cross shaft mounting hole 45, annulus end face 46,
Pitch anchor ring 47, the fork face of cylinder 48, fabrication hole 49.Interior blind hole 41 is used for the loss of weight of yoke 4；Groove 43 and annulus end face 46 are used for
The installation of the end of bearing shell 2 and spacing；It is plural annular groove to pitch groove 42 arranged side by side, for the formation of interior row's projection 31 of the end of housing 3,
Pitch groove 42 arranged side by side；Fork body 44, cross shaft mounting hole 45 are used to install cross axle；Fork anchor ring 47, the fork face of cylinder 48 are used for liner
The installation of housing 6, fork anchor ring 47 to annulus end face 46 is apart from for L3, and the end face of yoke 4 to annulus end face 46 is apart from for L4.
The axial cylindrical face 17 of spindle nose 1 is inserted in liner housing 6, until the end of liner housing 6 and the axle annulus of spindle nose 1
Face 18 is contacted, and equally, the fork face of cylinder 48 of yoke 4 is inserted in liner housing 6, until the end of liner housing 6 and yoke 4
Fork anchor ring 47 contacts, and in the end of spindle nose 1 location and installations such as bearing mounting surface 13, is pacified at the end of yoke 4 with the positioning of the grade of fabrication hole 49
Dress, complete the pre- arrangement of the present invention.
Housing 3 is very long rotary body, the present invention it is pre- load onto, by infiltrated resin fiber or fibre bundle winding and
Into housing 3, housing 3 is fibre reinforced plastics (FRP), above have interior row's projection 31, the big end face of cylinder 32, the small arc surfaces of revolution 33,
The big arc surfaces of revolution 34, the transition face of cylinder 35, the body face of cylinder 36.Interior row's projection 31 is plural number row's protruding circular ring；The big end face of cylinder
32nd, the small arc surfaces of revolution 33, the big arc surfaces of revolution 34 are used for the installation of bearing shell 2, meanwhile, after housing 3 is acted on by power and moment of torsion, limitation
The small arc surfaces of revolution 33 and the big arc surfaces of revolution 34 on housing 3 move inward trend, ensure the reliability that the end of housing 3 is fixed；
The transition face of cylinder 35 is used to hold the face of cylinder 32 and the transition of the body face of cylinder 36 greatly, prevent by more energetically with moment of torsion when stress mistake
Greatly, the distance on the inside of the transition face of cylinder to shell end is L1；A diameter of D3 on the big end face of cylinder 32, the transition face of cylinder 35 it is straight
Footpath is D2, a diameter of D1 on the body face of cylinder 36, D1 ＜ D2 ＜ D3.
First the big end face of cylinder 32 on housing 3 is applied glue again, by the spacing annulus 22 on two bearing shells 2 respectively from
On the upper and lower end face 15 for being stuck in spindle nose 1, finally with four rivets 5 respectively by four rivet holes 1 on bearing shell 2 by upper and lower two
Bearing shell 2 is riveted together, and completes the installation of power transmission shaft one.
Equally, the big end face of cylinder 32 on housing 3 is applied glue, by the spacing annulus 22 on two bearing shells 2 respectively from
In the upper and lower groove 43 for being caught in yoke 4, and spacing annulus 22 is bonded with annulus end face 46, finally led to respectively with four rivets 5
Cross four rivet holes 1 on bearing shell 2 upper and lower two bearing shells 2 are riveted together, complete the installation of power transmission shaft other end, and formed
L1 ＞ L4 ＞ L2 ＞ L3 size relationships, ensure the reliability of power transmission shaft, complete the installation of the present invention.
By the drive shaft cartridge for completing installation on dynamic-balance tester device, high speed rotating drive shaft, the surplus of power transmission shaft is measured
The size and orientation of remaining amount of unbalance, in the big side of residual unbalance, plural hole is beaten on the counterweight ring 28 of bearing shell 2, is disappeared
Except the residual unbalance, in this orientation, the quality testing and adjustment of the present invention are completed.
Operation principle
Principle 1：
Drive shafts fracture directly affects the security of vehicle traveling, and the present invention uses triple protection measure, fully ensures that shell
Body 3 and spindle nose 1, the installation reliability of yoke 4.
Measure one：When winding housing 3, axle groove 16 arranged side by side, yoke 4 that interior row's projection 31 of the end of housing 3 is embedded in spindle nose 1
Fork groove 42 arranged side by side in, be fixed together outside by glue bearing shell 2.
Measure two：The middle face of cylinder 23, the small arc-shaped surfaces of revolution 24, the orthodrome surfaces of revolution 25, the inner face of cylinder 26 of bearing shell 2 are divided
The big end face of cylinder 32, the small arc surfaces of revolution 33, the big arc surfaces of revolution 34 not with housing 3, the geometry and chi on the transition face of cylinder 35
Very little identical, the diameter of the inner face of cylinder 26 of bearing shell 2 is less than the diameter on the middle face of cylinder 23, after housing 3 is acted on by power and moment of torsion, riveting
The small arc surfaces of revolution 33 on two limitation housings 3 of bearing shells 2 and the big arc surfaces of revolution 34 up and down being connected together move inward trend,
Ensure the reliability that the end of housing 3 is fixed.
Measure three：The spacing annulus 22 up and down on two bearing shells 2 being riveted together is stuck in the end face 15 of spindle nose 1
On, equally, the spacing annulus 22 up and down on two bearing shells 2 being riveted together is respectively clamped into the groove 43 of yoke 4, further
Prevent housing 3 and bearing shell 2 from deviating from.
Principle 2：
On the end face of cylinder 32 and the body face of cylinder 36 greatly using the transition of the transition face of cylinder 35, prevent by more energetically and turning round
Stress is excessive during square.
Principle 3：
FRP material is very light in itself, residual unbalance, very little itself, plural hole is beaten on the counterweight ring 28 of bearing shell 2, so that it may
The residual unbalance, of this power transmission shaft is eliminated, reduces vibration.
Principle 4：
First make liner housing 6, then the shell being entwined on pre- arrangement by the fiber or fibre bundle that infiltrated resin
Body 3, housing 3 and liner housing 6 is set to form one, and it is fixed.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And deformation, the scope of the present invention are extremely equally limited by appended claims.
Claims (10)
1. a kind of vehicle transmission axle construction, it is characterised in that including spindle nose, two bearing shells, housing, yoke and liner housing；
The liner housing is arranged in the housing, one end of the spindle nose insert one end of the housing and with the liner
One end connection of housing, is then fixedly connected by a bearing shell；
One end of the yoke is inserted the other end of the housing and is connected with the other end of the liner housing, then by another
One bearing shell is fixedly connected.
2. vehicle transmission axle construction according to claim 1, it is characterised in that the spindle nose is rotary body, in the axle
One end of head is provided with screwed hole, and the outer surface of the spindle nose is axially followed successively by cross axle bracket mounting face, bearing mounting surface, small
The face of cylinder, axially end face, groove, axle anchor ring and axial cylindrical face arranged side by side；
The axial direction groove arranged side by side is plural annular groove.
3. vehicle transmission axle construction according to claim 2, it is characterised in that the bearing shell includes the top of relative connection
Bearing shell and lower brasses；The top brass is fixedly connected with lower brasses by rivet；
The top brass is identical with the structure of the lower brasses, can exchange；
The top brass includes bearing shell body and the connecting portion at the bearing shell body both ends, and riveting is provided with the connecting portion
Nail；
The bearing shell body is arcuate structure, and spacing annulus, the middle face of cylinder, roundlet are followed successively by the inner surface of the bearing shell body
The arc surfaces of revolution, the orthodrome surfaces of revolution and the inner face of cylinder；
The spacing annulus is engaged with the small cylindrical surface and end face；The middle face of cylinder, the small arc-shaped surfaces of revolution, great circle hook
Turn face and the inner face of cylinder to be used to coordinate with the installation of the housing.
4. vehicle transmission axle construction according to claim 3, it is characterised in that in the institute relative with the inner face of cylinder
State bearing shell body outer surface and be provided with end reinforcing rib, counterweight ring is provided with and with repeated hole in the bearing shell body outer surface.
5. vehicle transmission axle construction according to claim 3, it is characterised in that diameter, the small arc-shaped on the middle face of cylinder
The diameter of the diameter of the surfaces of revolution, the diameter of the orthodrome surfaces of revolution and the inner face of cylinder is sequentially reduced.
6. vehicle transmission axle construction according to claim 1, it is characterised in that the liner housing is tubular-shaped structures, by
Infiltrated the fibre reinforced plastics composition that the fiber of resin or fibre bundle are entwined.
7. vehicle transmission axle construction according to claim 3, it is characterised in that one end of the yoke is provided with interior blind
Hole, the other end are provided with cross shaft mounting hole, in the outer surface of the yoke from one end of interior blind hole is provided with to the cross
Shaft mounting hole direction, it is disposed with the fork face of cylinder, fork anchor ring, fork groove arranged side by side, annulus end face, groove and fork body；Described ten
Word shaft mounting hole is arranged on the fork body；
The fork face of cylinder and the fork anchor ring are used to be connected with one end of the liner housing, it is described pitch groove arranged side by side with it is described
One end of housing is fixedly connected.
8. vehicle transmission axle construction according to claim 7, it is characterised in that the housing is FRP reinforced plastics, described
When housing extends from end to middle part, the outer surface of the housing includes the big end face of cylinder, the small arc surfaces of revolution, big hook turn successively
Face, the transition face of cylinder and the body face of cylinder；
The inner surface setting relative with the big end face of cylinder has interior row raised；
The big end face of cylinder, the small arc surfaces of revolution and the big arc surfaces of revolution are used for the installation of bearing shell.
9. vehicle transmission axle construction according to claim 8, it is characterised in that a diameter of D1 on the body face of cylinder,
A diameter of D2 on the transition face of cylinder, a diameter of D3 on the big end face of cylinder；The D1 ＜ D2 ＜ D3.
10. vehicle transmission axle construction according to claim 8, it is characterised in that to shell end on the inside of the transition face of cylinder
Distance be L1；The distance of anchor ring to bearing shell medial end is L2 on the inside of spacing annulus；The anchor ring of pitching is to the annulus
The distance of end face is L3；The distance of the end face of the yoke to the annulus end face is L4；The L1 ＞ L4 ＞ L2 ＞ L3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710686740.9A CN107504160A (en) | 2017-08-11 | 2017-08-11 | A kind of vehicle transmission axle construction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710686740.9A CN107504160A (en) | 2017-08-11 | 2017-08-11 | A kind of vehicle transmission axle construction |
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| CN107504160A true CN107504160A (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710686740.9A Pending CN107504160A (en) | 2017-08-11 | 2017-08-11 | A kind of vehicle transmission axle construction |
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| CN108626237A (en) * | 2018-07-16 | 2018-10-09 | 淄博朗达复合材料有限公司 | A kind of carbon fiber composite drive shafts and its processing method |
| CN110030366A (en) * | 2018-01-11 | 2019-07-19 | 操纵技术Ip控股公司 | Tune absorber assemblies |
| CN110925276A (en) * | 2019-11-21 | 2020-03-27 | 东华大学 | Fiber reinforced resin matrix composite material barrel connecting structure |
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Application publication date: 20171222 |