CN110154648A - Vehicle drive axle and vehicle - Google Patents
Vehicle drive axle and vehicle Download PDFInfo
- Publication number
- CN110154648A CN110154648A CN201910570717.2A CN201910570717A CN110154648A CN 110154648 A CN110154648 A CN 110154648A CN 201910570717 A CN201910570717 A CN 201910570717A CN 110154648 A CN110154648 A CN 110154648A
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- Prior art keywords
- axle
- bridge
- mounting rack
- axle housing
- vehicle
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- 238000007789 sealing Methods 0.000 claims description 20
- 230000037361 pathway Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 239000003921 oil Substances 0.000 description 23
- 230000005540 biological transmission Effects 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/16—Axle housings
-
- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The present invention relates to a kind of vehicle drive axle and vehicles, wherein vehicle drive axle includes axle housing (1), two bridge axles (3) and two mounting racks (2), two bridge axles (3) are separately mounted to the two sides of the axis of axle housing (1), two mounting racks (2) are respectively used to connect two bridge axles (3) with the vehicle frame of vehicle, and bridge axle (3) is rotatably coupled with mounting rack (2), the axis of bridge axle (3) and axle housing (1) together relative to mounting rack (2) around bridge axle (3) rotates.Vehicle includes vehicle drive axle.Drive axle structure of the present invention is simple, and stress is more reasonable, and stability and safety are also preferable；Bridge axle is fixedly connected with axle housing, bridge axle is rotatably coupled with mounting rack, therefore bridge axle and axle housing can be rotated relative to mounting rack and vehicle frame around the axis of bridge axle together, so that the wheel for the axial ends for being connected to axle housing is landed at any time, improved the ability that lands of wheel.
Description
Technical field
The present invention relates to technical field of vehicle more particularly to a kind of vehicle drive axles and vehicle.
Background technique
For loading machine as one kind mainly using fuel oil as the four-wheel drive engineering machinery of power, great work intensity, time are long, right
The consumption of the energy is very huge.For energy saving and protection environment, using diesel engine and generator as the large size electricity of hybrid power
Transmission loading machine is gradually liked by major bargh because dynamic characteristics is good and the advantages such as fuel consumption is low.
Traditional transmission system of wheel loader is to pass power by driven by engine torque-converters and gearbox, then by transmission shaft
It is handed to forward and backward drive axle, by the hub reduction gear driving wheel walking of drive axle, and drive axle mainly uses " main reducing gear-
The mechanical gear driving structure of differential mechanism-semiaxis-hub reduction gear " formula.In the drive axle of Direct wheel drives electric transmission loading machine
There is no differential mechanism and semiaxis, without outputting power to drive axle by transmission shaft, but utilizing the driving electricity installed in axle housing
Machine provides power, the hub rotation with motor car wheel after the hub reduction gear deceleration torque increase connecting with driving motor, in this loading
On machine, supportive body of the driving axle housing as wheel motor, hub reduction gear etc. carries the rear load of loading machine, therefore drives
The structure design of dynamic bridge is particularly significant.Existing drive axle structure design at present be not too rationally, there is structure is complicated, by
The problems such as power is uneven.
It should be noted that the information for being disclosed in background of invention part is merely intended to increase to totality of the invention
The understanding of background, and be not construed as recognizing or imply in any form the information constitute by those skilled in the art public affairs
The prior art known.
Summary of the invention
The purpose of the present invention is to propose to a kind of vehicle drive axle and vehicles, simplify drive axle structure, optimize stress.
To achieve the above object, the present invention provides a kind of vehicle drive axles, comprising:
Axle housing；
Two bridge axles, are separately mounted to the two sides of the axis of axle housing；With
Two mounting racks are respectively used to connect the vehicle frame of two bridge axles and vehicle, and bridge axle and mounting rack are rotationally
The axis of connection, bridge axle and axle housing together relative to mounting rack around bridge axle rotates.
In some embodiments, two bridge axles and two mounting racks are respectively relative to the axisymmetrical arrangement of axle housing.
In some embodiments, it the axis collinear of two bridge axles and is mutually perpendicular to the axis of axle housing.
In some embodiments, mounting rack is equipped with first through hole, and bridge axle includes main part and connects with the second end of main part
The second end connect, the diameter of the second end are less than the diameter of main part, and the second end is inserted into mounting rack, the wall of first through hole
Face is equipped with step, and step is for limiting the axial movement of bridge axle.
In some embodiments, vehicle drive axle further includes liner, and liner is arranged between bridge axle and step.
In some embodiments, vehicle drive axle further includes wear-resistant sleeve, and mounting rack is equipped with first through hole, and bridge axle includes main body
Portion and the second end connecting with the second end of main part, the diameter of the second end are less than the diameter of main part, and the second end is inserted
Enter in mounting rack, the wear-resisting periphery for being set on the second end in first through hole and being located at bridge axle.
In some embodiments, wear-resistant sleeve includes wear-resistant sleeve main body and sealing plate, and wear-resistant sleeve main body is set in the second of bridge axle
The axial end portion of wear-resistant sleeve main body is arranged in the periphery of end, sealing plate, and sealing plate is located at the separate main part of the second end of bridge axle
One end and be bolted with the second end of bridge axle by first.
In some embodiments, vehicle drive axle further includes bushing and end cap, and lining is set in first through hole and is located at
The periphery of wear-resistant sleeve, end cap are arranged in one end of the separate axle housing of mounting rack and for blocking first through hole.
In some embodiments, mounting rack is equipped with oil pathway, and bushing is equipped with oil groove, and oil pathway and oil groove connect
It is logical, there is gap, oil groove is connected to gap, and mounting rack is equipped with oil discharge outlet, and gap and oil discharge outlet connect between end cap and wear-resistant sleeve
It is logical.
In some embodiments, support ring flat-plate is equipped in axle housing, support ring flat-plate is used to support motor, and axle housing is equipped with air inlet
Mouth and air outlet, air inlet are located between two support ring flat-plates, and air outlet is located between support ring flat-plate and the end of axle housing, and go out
Shield is equipped at air port.
In some embodiments, the top of axle housing is equipped with limited block, the axis that limited block is used to limit axle housing around bridge axle
Rotational angle.
To achieve the above object, the present invention also provides a kind of vehicles, including above-mentioned vehicle drive axle.
In some embodiments, vehicle further includes vehicle frame, motor, retarder and wheel, and axle housing passes through bridge axle and mounting rack
It is mounted on vehicle frame, perpendicular to the driving direction of vehicle, motor is mounted in axle housing for the axis of axle housing, and retarder is mounted on axle housing
End and connect with the wheel hub of wheel, motor and retarder are drivingly connected.
Based on the above-mentioned technical proposal, in the embodiment of the present invention, two bridge axles are separately mounted to the two sides of the axis of axle housing, and
It is rotatably coupled respectively by corresponding mounting rack with vehicle frame, structure is simple, and stress is more reasonable, stability and safety
Also preferably；Bridge axle is fixedly connected with axle housing, and bridge axle is rotatably coupled with mounting rack, therefore bridge axle and axle housing can be opposite together
It is rotated in mounting rack and vehicle frame around the axis of bridge axle, so that the wheel for the axial ends for being connected to axle housing is landed at any time, improve
The ability that lands of wheel.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of vehicle drive axle one embodiment of the present invention.
Fig. 2 is the perspective structure schematic diagram of vehicle drive axle one embodiment intermediate axle shell of the present invention.
Fig. 3 is drive axle in Fig. 1 embodiment along the cross-sectional view of Section A-A.
Fig. 4 is the enlarged drawing of part shown in label P in Fig. 3 embodiment.
In figure:
1, axle housing；2, mounting rack；3, bridge axle；4, connecting flange；5, air inlet；6, air outlet；7, ring flat-plate is supported；8, it opens
Mouthful；9, wear-resistant sleeve；10, bushing；11, it pads；12, the first bolt；13, end cap；14, the second bolt；15, oil pathway；16, close
Seal.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in embodiment
It states.Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Bright embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " transverse direction ", " longitudinal direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the scope of the present invention.
As depicted in figs. 1 and 2, in one embodiment of vehicle drive axle provided by the invention, which includes bridge
1, two mounting rack 2 of shell and two bridge axles 3, wherein two bridge axles 3 are separately mounted to the two sides of the axis of axle housing 1, two installations
Frame 2 is respectively used to connect two bridge axles 3 with the vehicle frame of vehicle, and bridge axle 3 is rotatably coupled with mounting rack 2, bridge axle 3 and bridge
Axis of the shell 1 together relative to mounting rack 2 around bridge axle 3 rotates.
In the above-described embodiments, two bridge axles 3 are separately mounted to the two sides of the axis of axle housing 1, and respectively by corresponding
Mounting rack 2 is rotatably coupled with vehicle frame, and structure is simple, and stress is more reasonable, and stability and safety are also preferable；Bridge axle 3
It is fixedly connected with axle housing 1, bridge axle 3 is rotatably coupled with mounting rack 2, therefore bridge axle 3 and axle housing 1 can be together relative to installations
Frame 2 and vehicle frame are rotated around the axis of bridge axle 3, so that the wheel for the axial ends for being connected to axle housing 1 is landed at any time, are improved wheel
The ability that lands.
Optionally, two bridge axles 3 arrange that two mounting racks 2 are also relative to axle housing 1 relative to the axisymmetrical of axle housing 1
Axisymmetrical arrangement.Setting can make stress when around the axis oscillating of bridge axle 3 of axle housing 1 more balanced in this way, advanced optimize
The stress condition of axle housing 1 improves the service life of axle housing 1.
The axis of two bridge axles 3 can be conllinear, and the axis of bridge axle 3 and the axis of axle housing 1 are mutually perpendicular to, so that axle housing
1 is located at the partial symmetry of the axis two sides of bridge axle 3, is further ensured that the balance when swinging.
As shown in Fig. 2, axle housing 1 is the oval barrel shape of shape comparison rule, the balance of stress is advantageously ensured that.
Support ring flat-plate 7 is equipped in axle housing 1, support ring flat-plate 7 is annular plate-like structure, and support ring flat-plate 7 is used to support motor, props up
Pushing out ring plate 7 is mounted on the inner wall of axle housing 1.
Axle housing 1 is equipped with air inlet 5 and air outlet 6, and air inlet 5 is located between two support ring flat-plates 7, and support ring flat-plate 7 has
Sealing function, two spaces supported between ring flat-plates 7 are close by support ring flat-plate 7 and the component progress being mounted on support ring flat-plate 7
Envelope can make more collection neutralization after entering in the space by air inlet 5 fully cool down to motor in this way.Air inlet 5
Place can connect blast pipe, for cold wind to be sent into axle housing 1.Blast pipe can also connect filter, to entrance axle housing 1
Cold wind is filtered, and guarantees the degree of purity of the cold wind entered in axle housing 1.
Air outlet 6 is located between support ring flat-plate 7 and the end of axle housing 1, reduces the influence to air inlet.It is equipped at air outlet 6
Shield, for preventing rainwater and sundries from invading.
The bottom of axle housing 1 is equipped with opening 8, which can be used as service ports, and the convenient element to inside axle housing 1 carries out
Maintenance and maintenance.
The top surface of axle housing 1 is equipped with limited block, and limited block is for limiting axle housing 1 around the angle of rotation of the axis of bridge axle 3
Degree effectively controls the amplitude of fluctuation of axle housing 1, protects axle housing 1 and tire, it is ensured that the traffic safety of complete machine.
Foot pedal can be set in the axial ends top of axle housing 1, for personnel's standing, facilitates the maintenance of vehicle.
Mounting rack 2 is overall U-shaped, opening up.The main part of mounting rack 2 is equipped with multiple lightening holes, can reduce knot
Structure weight, reduces cost, it helps the installation and removal of mounting rack 2.The main part of mounting rack 2 is box-structure, by more
Block plate welds to be formed, and can mitigate overall weight, improves structural strength.The top of mounting rack 2 is equipped with horizontally disposed connecting plate,
Connecting plate is equipped with location hole and connecting hole, and positioning hole can be inserted into positioning pin and be positioned, and insertion bolt is in connecting hole with even
Connect mounting rack 2 and vehicle frame.Pass through setting location hole and positioning pin, it is possible to reduce connect between mounting rack 2 and vehicle frame when vehicle to run
Shearing force suffered by connecting bolt improves the reliability of connection.
Vehicle drive axle further includes connecting flange 4, and connecting flange 4 is mounted on the outer wall of axle housing 1, bridge axle 3 and connection method
Orchid 4 is fixedly connected.
The shape of connecting flange 4 and the shape of axle housing 1 match, and the curved surfaces and axle housing 1 of connecting flange 4 mutually paste
It closes, and passes through welded connecting with axle housing 1.
Connecting flange 4 is equipped with the second through-hole, and bridge axle 3 includes main part and the first end connecting with the first end of main part
Portion, the diameter of first end are less than the diameter of main part, and first end is inserted into the second through-hole.First end and connecting flange 4
The part to connect can be attached by welding.Connecting flange 4 and bridge axle 3 can be assembled, can also be with integral casting forming.
Mounting rack 2 is equipped with first through hole, and bridge axle 3 includes main part and the second end connecting with the second end of main part,
The diameter of the second end is less than the diameter of main part, and the second end is inserted into mounting rack 2.
As shown in figure 3, the wall surface of first through hole is equipped with step, step is for limiting the axial movement of bridge axle 3.It is logical
Setting step is crossed, bridge axle 3 can be limited and moved along axial.
As shown in figure 4, vehicle drive axle further includes liner 11, liner 11 is arranged between bridge axle 3 and step.Pass through setting
Liner 11, can prevent from hitting between bridge axle 3 and the step of mounting rack 2, play the role of protecting bridge axle 3 and mounting rack 2.
The thickness and quantity of liner 11 can carry out flexible choice according to actual needs, guarantee the axial position between bridge axle 3 and mounting rack 2
Set fixation.
Vehicle drive axle further includes wear-resistant sleeve 9, and the second end in first through hole and being located at bridge axle 3 is arranged in wear-resistant sleeve 9
Periphery.By the way that wear-resistant sleeve 9 is arranged, the friction between bridge axle 3 and mounting rack 2 can be mitigated when bridge axle 3 rotates, reduce bridge axle
3 and mounting rack 2 abrasion.
The entirety of wear-resistant sleeve 9 is concave, and wear-resistant sleeve 9 includes the wear-resistant sleeve main body and be arranged wear-resisting that center is hollow structure
The sealing plate of the axial end portion of main body is covered, wear-resistant sleeve main body covers on the second end of bridge axle 3, and sealing plate can connect with wear-resistant sleeve main body
It connects, can also be integrally formed.Sealing plate is located at one end of the separate main part of the second end of bridge axle 3, sealing plate and the second of bridge axle 3
End is connected by the first bolt 12.
The sealing plate of wear-resistant sleeve 9 is equipped with through-hole, and bridge axle 3 is equipped with from inwardly in the axial direction blind in the end face of the second end
Hole, the through-hole on sealing plate are communicated with the blind hole in bridge axle 3.
Vehicle drive axle further includes bushing 10, and bushing 10 is arranged in first through hole, and bushing 10 is located at the outer of wear-resistant sleeve 9
Week.By the way that bushing 10 is arranged, the abrasion of mounting rack 2, effective protection mounting rack 2 can be further reduced.Bushing 10 and liner 11
It can be integrally formed.
Vehicle drive axle further includes end cap 13, and end cap 13 is arranged in one end of the separate axle housing 1 of mounting rack 2 and for blocking
First through hole.End cap 13 is connect by the second bolt 14 with mounting rack 2.
Mounting rack 2 is equipped with oil pathway 15, and bushing 10 is equipped with oil groove, and oil pathway 15 is connected to oil groove, end cap
There is gap, oil groove is connected to gap, and mounting rack 2 is equipped with oil discharge outlet, and gap is connected to oil discharge outlet between 13 and wear-resistant sleeve 9.
Oil groove also is provided on liner 11.
When work, lubricating oil can enter oil pathway 15 through 2 top hydraulic fluid port of mounting rack, reach bushing through oil pathway 15
10, on the one hand oil groove of the lubricating oil through bushing 10 flows through the oil groove of 11 end faces of liner, end face and bridge axle 3 to liner 11
Between contact surface be lubricated, on the other hand flow to the gap between end cap 13 and wear-resistant sleeve 9, finally through mounting rack 2 and end
The bottom oil discharge outlet discharge that lid 13 connects.
It is additionally provided with sealing ring 16 between bridge axle 3 and mounting rack 2, sealing ring 16 is used for flowing between bridge axle 3 and mounting rack 2
Logical lubricating oil be sealed with it is dust-proof.Bridge axle 3 and/mounting rack 2 are equipped with groove, and sealing ring 16 is arranged in the trench, to prevent
Sealing ring 16 skids off.
Pass through the explanation of multiple embodiments to vehicle drive axle of the present invention, it can be seen that vehicle drive axle of the present invention is implemented
Example at least has the advantages that one or more of:
1, drive axle overall structure is simple, and amount of parts is few, can both reduce structure size, mitigates overall weight, again
The reliability of axle housing installation can be improved；
2, bridge axle and mounting rack are arranged symmetrically in the two sides of axle housing, and the stress that axle housing, bridge axle and mounting rack is effectively ensured is equal
Weighing apparatus property, guarantees the stability in vehicle travel process；Axle housing and bridge axle are swung relative to mounting rack and vehicle frame together, guarantee vehicle
Four-wheel lands simultaneously, so that wheel is had enough adhesive force, improves the stability of vehicle driving；
3, axle housing is equipped with air inlet and air outlet, can radiate to the motor in axle housing, and air inlet is arranged at two
It supports between ring flat-plate, support ring flat-plate can be sealed air intake space, be sufficiently cool with carrying out more collection neutralization to motor；Out
Shield is equipped at air port；
4, wear-resistant sleeve uses concave structure, and wear-resistant sleeve includes sealing plate, is easy to implement the connection of wear-resistant sleeve and bridge axle；
5, lubricating oil access is formed between mounting rack, bushing, wear-resistant sleeve, end cap and bridge axle, can be provided and be filled when axle housing is swung
The lubricating oil of foot, and it is equipped with oil discharge outlet in end cap and mounting rack link position bottom, it can facilitate old oil discharge；
6, it is equipped with sealing ring between mounting rack and bridge axle, dust-proof and sealing function can be played to lubricating oil, is reduced simultaneously
Frictional force in axle housing swing process improves the service life of driving axle housing.
Based on above-mentioned vehicle drive axle, the present invention also proposes a kind of vehicle, which includes above-mentioned vehicle drive axle.
Vehicle can be various types, such as electric transmission loading machine etc..
Vehicle further includes vehicle frame, motor, retarder and wheel, and axle housing 1 is mounted on vehicle frame by bridge axle 3 and mounting rack 2,
Perpendicular to the driving direction of vehicle, motor is mounted in axle housing 1 axis of axle housing 1, retarder be mounted on the end of axle housing 1 and with
The wheel hub of wheel connects, and motor and retarder are drivingly connected.The both ends of axle housing 1 in axial direction are equipped with connection steel ring, connection
Steel ring is for installing retarder and motor.
When vehicle driving, mounting rack 2 is fixed relative to vehicle frame, and the step end face of two groups of mounting racks 2 can limit 3 He of bridge axle
Liner 11 is axially moveable.When vehicle uneven road surface when driving, axle housing 1 will around the axis of bridge axle 3 rotate, be mounted on axle housing 1
The hub reduction gear and left and right wheels at both ends will be swung up and down, so that two sides wheel can land；It is whole in motor operation course
Clean cold wind is sent the inside to axle housing 1 to cool down and drop driving motor by the air blower and air filter of vehicle installation
Hot-air is discharged the air outlet 6 of temperature, axle housing 1, completes the heat dissipation to driving motor.
Positive technical effect possessed by vehicle drive axle is equally applicable to vehicle in above-mentioned each embodiment, here no longer
It repeats.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: not
Under the premise of being detached from the principle of the invention, it can still modify to a specific embodiment of the invention or to portion of techniques spy
Sign is equivalently replaced, these modifications and equivalent replacement should all cover within the scope of the technical scheme claimed by the invention.
Claims (13)
1. a kind of vehicle drive axle characterized by comprising
Axle housing (1)；
Two bridge axles (3), are separately mounted to the two sides of the axis of the axle housing (1)；With
Two mounting racks (2) are respectively used to connect two bridge axles (3) with the vehicle frame of vehicle, and the bridge axle (3) and institute
It states mounting rack (2) to be rotatably coupled, the bridge axle (3) and the axle housing (1) are together relative to the mounting rack (2) around described
The axis of bridge axle (3) rotates.
2. vehicle drive axle according to claim 1, which is characterized in that two bridge axles (3) and two installations
Frame (2) is respectively relative to the axisymmetrical arrangement of the axle housing (1).
3. vehicle drive axle according to claim 1, which is characterized in that the axis collinear of two bridge axles (3) and with
The axis of the axle housing (1) is mutually perpendicular to.
4. vehicle drive axle according to claim 1, which is characterized in that the mounting rack (2) is equipped with first through hole, described
Bridge axle (3) includes main part and the second end that connect with the second end of the main part, and the diameter of the second end is less than
The diameter of the main part, the second end are inserted into the mounting rack (2), and the wall surface of the first through hole is equipped with step,
The step is for limiting the axial movement of the bridge axle (3).
5. vehicle drive axle according to claim 4, which is characterized in that further include liner (11), the liner (11) sets
It sets between the bridge axle (3) and the step.
6. vehicle drive axle according to claim 1, which is characterized in that it further include wear-resistant sleeve (9), the mounting rack (2)
Equipped with first through hole, the bridge axle (3) includes main part and the second end that connect with the second end of the main part, and described
The diameter of two ends is less than the diameter of the main part, and the second end is inserted into the mounting rack (2), the wear-resistant sleeve
(9) it is arranged in the first through hole and is located at the periphery of the second end of the bridge axle (3).
7. vehicle drive axle according to claim 6, which is characterized in that the wear-resistant sleeve (9) include wear-resistant sleeve main body and
Sealing plate, the wear-resistant sleeve main body are set in the periphery of the second end of the bridge axle (3), and the sealing plate is arranged in the wear-resistant sleeve
The axial end portion of main body, the sealing plate be located at the second end of the bridge axle (3) far from the main part one end and with institute
The second end for stating bridge axle (3) is connected by the first bolt (12).
8. vehicle drive axle according to claim 6, which is characterized in that it further include bushing (10) and end cap (13), it is described
Bushing (10) is arranged in the first through hole and is located at the periphery of the wear-resistant sleeve (9), and the end cap (13) is arranged described
One end far from the axle housing (1) of mounting rack (2) simultaneously is used to block the first through hole.
9. vehicle drive axle according to claim 8, which is characterized in that the mounting rack (2) is equipped with oil pathway (15),
The bushing (10) is equipped with oil groove, and the oil pathway (15) is connected to the oil groove, the end cap (13) with it is described
There is gap, the oil groove is connected to the gap, and the mounting rack (2) is equipped with oil discharge outlet, between described between wear-resistant sleeve (9)
Gap is connected to the oil discharge outlet.
10. vehicle drive axle according to claim 1, which is characterized in that support ring flat-plate (7) is equipped in the axle housing (1),
The support ring flat-plate (7) is used to support motor, and the axle housing (1) is equipped with air inlet (5) and air outlet (6), the air inlet
(5) it is located between two support ring flat-plates (7), the air outlet (6) is located at the support ring flat-plate (7) and the axle housing (1)
End between, and at the air outlet (6) be equipped with shield.
11. vehicle drive axle according to claim 1, which is characterized in that the top of the axle housing (1) is equipped with limited block,
The limited block is for limiting the axle housing (1) around the rotational angle of the axis of the bridge axle (3).
12. a kind of vehicle, which is characterized in that including vehicle drive axle as claimed in any one of claims 1 to 11.
13. vehicle according to claim 12, which is characterized in that it further include vehicle frame, motor, retarder and wheel, it is described
Axle housing (1) is mounted on the vehicle frame by the bridge axle (3) and the mounting rack (2), the axis of the axle housing (1) perpendicular to
The driving direction of the vehicle, the motor are mounted in the axle housing (1), and the retarder is mounted on the axle housing (1)
End is simultaneously connect with the wheel hub of the wheel, and the motor and the retarder are drivingly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910570717.2A CN110154648A (en) | 2019-06-28 | 2019-06-28 | Vehicle drive axle and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910570717.2A CN110154648A (en) | 2019-06-28 | 2019-06-28 | Vehicle drive axle and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110154648A true CN110154648A (en) | 2019-08-23 |
Family
ID=67636818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910570717.2A Pending CN110154648A (en) | 2019-06-28 | 2019-06-28 | Vehicle drive axle and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110154648A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110761354A (en) * | 2019-11-20 | 2020-02-07 | 江苏徐工工程机械研究院有限公司 | Electric drive wheel loader drive axle assembly and electric drive wheel loader |
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| RU183798U1 (en) * | 2018-04-27 | 2018-10-02 | Алексей Витальевич Амельченко | DRIVING BRIDGE WITH BALANCED SUSPENSION |
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| US20080227581A1 (en) * | 2007-03-12 | 2008-09-18 | Catalano Michael J | Axle housing with differential bearing support |
| CN201520215U (en) * | 2009-08-07 | 2010-07-07 | 中国三江航天工业集团公司特种车辆技术中心 | Rear drive axle assembly of engineering mechanical vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110761354A (en) * | 2019-11-20 | 2020-02-07 | 江苏徐工工程机械研究院有限公司 | Electric drive wheel loader drive axle assembly and electric drive wheel loader |
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