CN208546491U - A kind of heavy load vehicle motor driven hub reduction gear - Google Patents
A kind of heavy load vehicle motor driven hub reduction gear Download PDFInfo
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- CN208546491U CN208546491U CN201821246436.9U CN201821246436U CN208546491U CN 208546491 U CN208546491 U CN 208546491U CN 201821246436 U CN201821246436 U CN 201821246436U CN 208546491 U CN208546491 U CN 208546491U
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Abstract
The utility model relates to a kind of heavy load vehicle motor driven hub reduction gear, in particular to a kind of wheel hub drive loaded and unloaded suitable for mine with large-scale truck.Technical solution is: level-one ring gear (16) connect one (12) through spline with first stage decelerator shell (11) and combines, second level ring gear (39) connect two (24) through spline with rear-wheel hub (42) and combines, first stage decelerator shell (11) passes through articulation bolt (13), bolt B (14), spring washer B(15 with rear-wheel hub (42)) it is fixed with one, automobile back wheel tire is mounted on rear-wheel hub (42)；Secondary planet frame (30) is connected with vehicle body, equipped with the rear-wheel hub spring bearing (37) for bearing vehicle load-bearing.Utility model the utility model has the advantages that it is compact-sized, light weight and cost is low, transmission ratio is big, bearing capacity is high, easy for assemble or unload, safe and reliable, can load-carrying range reach 200-350 ton, raising 30~50%.Hub reduction gear service life was up to 20000 hours, 1~3 times of increase rate.
Description
Technical field
The utility model relates to a kind of heavy load vehicle motor driven hub reduction gear, in particular to a kind of mine that is suitable for fills
The wheel hub drive with large-scale truck is unloaded, traction engine technical field is belonged to.
Background technique
Mine handling can be divided into motor driven and machine driving (hydraulic power), machine by the kind of drive with large-scale truck
Tool transmission and motor-driven competition are very fierce always, and since the development of the equipment such as high-power fluid torque-converter is difficult, machinery is passed
Dynamic mine car is difficult to always enlargement.Motor driven has captured eighty per cant or more 100 tonnes or more mine car markets.Motor driven
Working method are as follows: diesel engine drives electrical power generators, drives the motor in rear-wheel hub, high-revolving wheel hub electric motor is through row
The hub reduction gear of star gear mechanism reduces revolving speed, and driving rear-wheel advances.In transporting equipment, hub reduction gear is vehicle transmission
Afterbody deceleration torsion increasing device in system, using hub reduction gear can meet resultant gear ratio under the same conditions, make speed change
The load of the components such as device, transmission shaft, main reducing gear, differential mechanism, semiaxis reduces even component and cancels, this make size become smaller and
Make drive axle obtain the biggish road clearance the advantages that, be widely used in load truck, motorbus, offroad vehicle and other one
A little large size work mine cars.Hub reduction gear is mainly made of sun gear, planetary gear, gear ring and pinion frame.Generally
Its driving link sun gear is connected with semiaxis, and Passive part pinion frame is connected with wheel, and gear ring connects with axle housing, using wheel side
Retarder is the driving force in order to improve automobile, to meet or correct the matching of entire transmission system power.Currently used wheel side
Retarder, exactly to meet the matched needs of entire transmission system, and the gear assembly of increased a set of reduction of speed torque increase.?
During this, the working principle of hub reduction gear be exactly engine (diesel engine) or the revolving speed through main reducing gear and torque warp
After crossing its reduction of speed torque increase, then it is transmitted to wheel, makes wheel under the reaction of traction, generated compared with large driving force.To
Reduce the stress of each part before hub reduction gear.
Utility model content
The utility model aim is to provide a kind of heavy load vehicle motor driven hub reduction gear, it is compact-sized, light-weight, at
This is low, transmission ratio is big, bearing capacity is high, easy for assemble or unload, safe and reliable, solves the above problem existing for prior art.
The purpose of this utility model can be realized by following technique measures:
A kind of heavy load vehicle motor driving wheel heel teeth wheel decelerator includes driving motor, shaft coupling, torsion shaft, level-one row
Star deceleration mechanism, two-stage planetary reduction mechanism and rear-wheel hub, driving motor pass through shaft coupling and torsion axis connection, torsion shaft and one
Grade sun gear connection, level-one sun gear, primary planet pinion, primary planet carrier and level-one ring gear composition primary planet subtract
Fast mechanism；Secondary sun gear is connect by gear coupling with primary planet carrier, secondary sun gear, secondary planetary gear,
Secondary planet frame and second level ring gear form two-stage planetary reduction mechanism；Level-one ring gear connects with first stage decelerator shell through spline
A combination is connect, second level ring gear is combined with rear-wheel hub through spline connection two, and first stage decelerator shell and rear-wheel hub pass through articulation spiral shell
Bolt, bolt B, spring washer B are fixed with one, and automobile back wheel tire is mounted on rear-wheel hub；Secondary planet frame is connected with vehicle body,
Equipped with the rear-wheel hub spring bearing for bearing vehicle load-bearing；The structure of the spline connection one are as follows: level-one ring gear is equipped with
External splines is connected with the internal spline on first stage decelerator shell；The structure of spline connection two are as follows: second level ring gear is equipped with outer
Spline is connected with the internal spline on rear-wheel hub.
Primary planet deceleration mechanism transmits motion to primary planet carrier, and two-stage planetary reduction mechanism transmits motion to two
Grade ring gear, second level ring gear are connect with rear-wheel hub.Automobile back wheel tire is mounted on rear-wheel hub, and rear-wheel hub is output.With vehicle body
The secondary planet frame being connected uses in pairs equipped with the rear-wheel hub spring bearing (conical bearing) for bearing vehicle load-bearing,
Load-bearing is transmitted to ground through rear-wheel hub, tire.
In the spline connection one, level-one ring gear is step, and one end spline, other end entity, centre are undercut,
Entity end limits level-one ring gear axial displacement in one direction, and the axial movement of the other end is limited by level-one ring gear fixed block
System；Level-one ring gear fixed block is fixed on first stage decelerator shell by bolt C, spring washer C, and level-one ring gear is to float
Part.
In the spline connection two, second level ring gear is step, and one end spline, other end entity, centre are undercut,
Entity end limits second level ring gear axial displacement in one direction, and the axial movement of the other end is limited by second level ring gear fixed block
System；Second level ring gear fixed block is arranged between rear-wheel hub spring bearing and rear-wheel hub, and second level ring gear is floating part.
The rear-wheel hub spring bearing, quantity are two, use in pairs, are separately positioned on rear-wheel hub, secondary planet frame
Two sides.
The torsion shaft right end fills shaft coupling, and left end fills level-one sun gear, passes through axial limiter, adjustment ring, bolt
I, to gap, level-one sun gear is floating part for bolt J, adjustment gasket control shaft.
The secondary sun gear is duplicate gear, and left end tooth is limited by the internal tooth platform of primary planet carrier, and right side is equipped with card
Ring is limited, effectively control axial gap, and secondary sun gear is floating part.
In primary planet deceleration mechanism, two-stage planetary reduction mechanism, level-one sun gear, level-one ring gear, second level
Sun gear and second level ring gear are floating part, substantially increase the equal loading capability of planetary mechanism, effectively improve bearing capacity
And service life.
Using the utility model, two sides are symmetrically installed with identical hub reduction gear, and hub reduction gear contains two-stage row
Star gear mechanism slows down, and every grade of planetary gear mechanism planetary gear quantity can according to circumstances select 3~6.
Level-one, secondary sun gear, planetary gear and ring gear described in the utility model, according to applying working condition, load
Deng to carrying out reasonable correction of the flank shape processing along flank profil, along facewidth tooth form, and optimizing and change to ring gear outside circle, root diameter
Into effective increase gear overlapdegree of engage improves bearing capacity.
Top gear seeps both at home and abroad using 17CrNiMo6,20Cr2Ni4 for level-one described in the utility model, second level ring gear
Carbon steel material, carburizing and quenching handle tooth face hardness HRC58-62, carburized (case) depth 2.2-4mm, and the accuracy of gear is not less than 5 grades of GB/
T10095-2001, tooth-face roughness are not higher than 0.8um, centre hardness >=HRC35, and heat treatment process uses special tooling to control
Thin-walled modification processed.The rear-wheel hub spring bearing is two column large size tapered roller bearings, the inside and outside circle of bearing, taper roller material
Be both needed to using the double vacuum super clean melting carburizing bearing steel G20CrNiMo of vacuum induction melting and vacuum arc remelting,
G20CrNi2Mo, G20Cr2Ni4, hardness HRC60-64, effective case depth 2-2.5mm, centre hardness >=HRC35.One
Grade, second level ring gear, the inside and outside loop diameter of bearing are in 1000mm, and even more greatly, thin-walled 16-40mm is thick.
Utility model has the beneficial effect that:
1, easy for installation, adjustment is simple, and maintenance is easy.Ring gear and wheel hub are connected, and revolving speed is consistent, actual installation, using,
Detachable maintaining is more convenient.
2, level-one ring gear is connect with first stage decelerator shell, second level ring gear with rear-wheel hub by spline, has saved tooth
The cost of part is enclosed, but also ring gear replaces more convenient convenience, when teeth portion is damaged, only replaces ring gear.
3, level-one, in two-stage planetary reduction mechanism, sun gear, ring gear are floating part, and each planetary mechanism is basic
Two components float simultaneously in component, substantially increase the equal loading capability of planetary mechanism, effectively improve bearing capacity and use the longevity
Life.
4, secondary planet frame and rear axle housing body vehicle body are fixed with one, and two, which arrange large-scale tapered roller bearing, is directly installed on rear-wheel
The two sides of hub, secondary planet frame, bearing capacity increase substantially 30%-60%.
5, planetary gear mechanism, sun gear, planetary gear, particularly thin-wall annular gear use carburizing and quenching roll flute；Greatly
Type tapered roller bearing part uses carburizing quenching process, so that bearing capacity significantly improves.
6, level-one, secondary sun gear, planetary gear and ring gear, according to applying working condition, load etc., to along flank profil, edge
Facewidth tooth form carries out reasonable correction of the flank shape processing, and optimizes to ring gear outside circle and root diameter, effectively increase tooth
It takes turns overlapdegree of engage, improve bearing capacity, 30-50% can be improved in fatigue strength.
7, using two-stage planetary reducer, the resultant gear ratio of hub reduction gear is up to 25-50, final driver ratio phase
With in the case where, the amplification factor of power improves 25-50.
8, after the hub reduction gear of the utility model is mounted on traction engine, can load-carrying range reach 200--350 ton, raising 30
~50%.Hub reduction gear service life was up to 20000 hours, 1~3 times of increase rate.
Detailed description of the invention:
Fig. 1 is the utility model embodiment general assembly drawing；
Fig. 2 is the utility model embodiment C partial enlargement diagram；
Fig. 3 is the utility model embodiment D partial enlargement diagram；
Fig. 4 is the utility model embodiment A partial enlargement diagram；
Fig. 5 is the utility model embodiment B partial enlargement diagram；
Fig. 6 is the utility model embodiment E partial enlargement diagram；
In figure: drain the oil stifled 1, primary planet pinion 2, primary planet pinion bearing 3, primary planet pinion axis 4, the level-one sun
Gear 5, capping 6, primary planet carrier bearing 7, bolt A8, spring washer A 9, primary planet carrier 10, first stage decelerator shell 11,
Spline connects one 12, articulation bolt 13, bolt B 14, spring washer B 15, level-one ring gear 16, level-one ring gear fixed block
17, bolt C 18, spring washer C 19, bearing pressure ring 20, bolt D21, spring washer D 22, secondary planetary gear bearing 23,
Spline connects 2 24, secondary planetary gear 25, secondary planetary gear axis 26, bolt E27, spring washer E 28, transparent cover 29, second level
Planet carrier 30, bolt F31, spring washer F 32, driving motor 33, shaft coupling 34, outside framework oil seal 35, V-arrangement oil sealing 36, rear-wheel hub
Spring bearing 37, torsion shaft 38, second level ring gear 39, secondary sun gear 40, second level ring gear fixed block 41, rear-wheel hub 42,
End-play adjustment ring 43, snap ring 44, oil seal seat I45, bolt G46, spring washer G 47, oil seal seat II48, oil seal without framework
49, oil seal cover 50, bolt H51, spring washer H 52, axial limiter 53, adjustment ring 54, bolt I55, bolt J56, adjusting pad
Piece 57.
Specific embodiment
Below in conjunction with attached drawing, by embodiment, the utility model is described in further detail:
A kind of heavy load vehicle motor driving wheel heel teeth wheel decelerator, comprising driving motor 33, shaft coupling 34, torsion shaft 38,
Primary planet deceleration mechanism, two-stage planetary reduction mechanism and rear-wheel hub 42, driving motor 33 pass through shaft coupling 34 and torsion shaft 38
Connection, torsion shaft 38 are connect with level-one sun gear 5, level-one sun gear 5, primary planet pinion 2, primary planet carrier 10 and one
Grade ring gear 16 forms primary planet deceleration mechanism；Secondary sun gear 40 is connected by gear coupling and primary planet carrier 10
It connects, secondary sun gear 40, secondary planetary gear 25, secondary planet frame 30 and second level ring gear 39 form two-stage planetary reduction machine
Structure；Level-one ring gear 16 is combined with first stage decelerator shell 11 through spline connection 1, and second level ring gear 39 and rear-wheel hub 42 pass through
Spline connection 2 24 combines, and first stage decelerator shell 11 and rear-wheel hub 42 pass through articulation bolt 13, bolt B 14, spring washer B15
It is fixed with one, automobile back wheel tire is mounted on rear-wheel hub 42；Secondary planet frame 30 is connected with vehicle body, equipped with whole for bearing
The rear-wheel hub spring bearing 37 of vehicle load-bearing；The structure of the spline connection 1 are as follows: level-one ring gear 16 is equipped with external splines, with
Internal spline on first stage decelerator shell 11 is connected；The structure of spline connection 2 24 are as follows: second level ring gear 39 is equipped with outer flower
Key is connected with the internal spline on rear-wheel hub 42.
Primary planet deceleration mechanism transmits motion to primary planet carrier 10；Two-stage planetary reduction mechanism transmits motion to
Second level ring gear 39, second level ring gear 39 are connect with rear-wheel hub 42.Automobile back wheel tire is mounted on rear-wheel hub 42, and rear-wheel hub 42 is
Output.The secondary planet frame 30 being connected with vehicle body, equipped with the rear-wheel hub spring bearing 37(circular cone for bearing vehicle load-bearing
Bearing), load-bearing is transmitted to ground through rear-wheel hub 42, tire.
In the spline connection 1, level-one ring gear 16 is step, and one end spline, other end entity, centre are sky
Cutter groove, entity end limits the axial displacement in one direction of level-one ring gear 16, and level-one ring gear is leaned in the axial movement of the other end
Fixed block 17 limits；Level-one ring gear fixed block 17 is fixed on first stage decelerator shell 11 by bolt C18, spring washer C19
On, level-one ring gear 16 is floating part.
In the spline connection 2 24, second level ring gear 39 is step, and one end spline, other end entity, centre are sky
Cutter groove, entity end limits the axial displacement in one direction of second level ring gear 39, and second level ring gear is leaned in the axial movement of the other end
Fixed block 41 limits；Second level ring gear fixed block 41 is arranged between rear-wheel hub spring bearing 37 and rear-wheel hub, second level ring gear
39 be floating part.
The rear-wheel hub spring bearing 37, quantity are two, use in pairs, are separately positioned on rear-wheel hub 42, secondary planet
The two sides of frame 30.
38 right end of torsion shaft fills shaft coupling 34, and left end fills level-one sun gear 5, passes through axial limiter 53, adjustment
Ring 54, bolt I55, bolt J56, adjustment gasket 57 control axial gap, and level-one sun gear 5 is floating part.
The secondary sun gear 40 is duplicate gear, and left end tooth is limited by the internal tooth platform of primary planet carrier 10, and right side is set
There is snap ring 44 to be limited, effectively control axial gap, secondary sun gear 40 is floating part.
In primary planet deceleration mechanism, two-stage planetary reduction mechanism, level-one sun gear 5, level-one ring gear 16, two
Grade sun gear 40 and second level ring gear 39 are floating part.
As shown in Figure 1, power is connect through shaft coupling 34 with torsion shaft 38 by driving motor 33, torsion shaft 38 by spline with
Level-one sun gear 5 connects；Level-one sun gear 5, primary planet pinion 2, level-one ring gear 16 and primary planet carrier 10 form
Primary planet transmission, level-one sun gear 5 are input terminal, and primary planet carrier 10 is output end；The internal spline of primary planet carrier 10
It is connect with the external splines of secondary sun gear 40, secondary sun gear 40, secondary planetary gear 25, second level ring gear 39 and second level
Planet carrier 30 forms secondary planet transmission, and secondary sun gear 40 is input terminal, and second level ring gear 39 is output end；Second level internal tooth
Circle 39 is combined by spline connection 2 24 (referring to Fig. 3) with rear-wheel hub 42, and rear-wheel hub 42 is fixed with one with rear tyre, final real
Now movement transmitting.
The level-one ring gear 16 is combined (referring to fig. 2) with first stage decelerator shell 11 by spline connection 1, level-one
Speed reducer housing 11, rear-wheel hub 42 are integrally connected by articulation bolt 13, bolt B 14, spring washer B 15.The primary planet
2 inner hole of gear is equipped with primary planet pinion bearing 3, and primary planet pinion bearing 3 is equipped with primary planet pinion axis 4, primary planet
Gear shaft 4 is mounted on primary planet carrier 10, and primary planet pinion 2 has 3~6, is evenly arranged on primary planet carrier 10；Level-one row
Star gear 2 does revolution motion around the axis shared with level-one sun gear 5, level-one ring gear 16 with primary planet carrier 10, and around
The axis of itself does rotation.25 inner hole of secondary planetary gear is equipped with secondary planetary gear bearing 23, secondary planetary gear axis
23 are held equipped with secondary planetary gear axis 26, secondary planetary gear axis 26 is mounted on secondary planet frame 30, secondary planetary gear 25
There are 3~6, is evenly arranged on secondary planet frame 30；Secondary planet frame 30 is connect with automobile axle housing and vehicle body, 30 phase of secondary planet frame
Retaining element is considered as vehicle body, secondary planetary gear axis 26 is fixed, such secondary sun gear 40, secondary planetary gear
25 and second level ring gear 39 be actually dead axle transmission；33 housing flange of driving motor passes through bolt F31, spring washer
F32 is connect with secondary planet frame 30, secures driving motor 33.
The rear-wheel hub spring bearing 37 is two large-scale tapered roller bearing, and 37 inner ring of rear-wheel hub spring bearing is mounted in two
On grade planet carrier 30, outer ring in the rear-wheel hub 42, self weight, the load-carrying of heavy duty transport vehicle all pass through vehicle body, automobile bridge
Shell, secondary planet frame 30 are transmitted on rear-wheel hub spring bearing 37, and are transmitted to ground by rear-wheel hub 42, automobile tire.Rear-wheel
37 end-play of hub spring bearing is adjusted by end-play adjustment ring 43, is positioned by bearing pressure ring 20, bolt D21, spring washer
D22 is fixed.
In the spline connection 1, level-one ring gear 16 is step, and one end spline, the other end are entity, centre is
Undercut, entity end is controllable to be moved axially to the left, and level-one ring gear fixed block 17 is solid by bolt C18, spring washer C19
It is scheduled on first stage decelerator shell 11, limits level-one ring gear 16 along axially to the right, move axially total amount 1.5-2mm
(referring to fig. 2).In the spline connection 2 24, second level ring gear 39 is step, and one end spline, the other end are entity, centre
For undercut, entity end is controllable along axially to the right, and second level ring gear locating piece 41, rear-wheel hub spring bearing 37 limit
Second level ring gear 39 moves axially to the left, and moves axially total amount 2-2.5mm(referring to Fig. 3).
The secondary planet frame 30 is connect with automobile axle housing and vehicle body can regard as static, and rear-wheel hub 42 passes through with transparent cover 29
Bolt E27, spring washer E28 connection, transparent cover 29 have relative motion with respect to secondary planet frame 30, and 29 internal diameter of transparent cover passes through V-arrangement oil
36 sealing of envelope, outer diameter are sealed by two oil seal without framework 49, and oil seal without framework 49 is mounted on oil seal seat I 45, oil seal seat II
In 48, oil seal seat I 45 is fixed on secondary planet frame 30 by bolt G46, spring washer G47, oil seal seat I 45, oil seal seat
II 48, oil seal cover 50 fasten (referring to Fig. 6) by bolt H51, spring washer H52.
It is sealed between 34 half flange of left side of shaft coupling and 30 inner wall of secondary planet frame by outside framework oil seal 35.From shaft coupling
Device 34, primary planet deceleration, two-stage planetary reduction, rear-wheel hub 42 export, and form closed retarder inner cavity, inner cavity is by adding
Enter dedicated oil lubrication.
The level-one sun gear 5 is connect with 38 spline of torsion shaft, passes through shaft coupling 34 and driving electricity on the right side of torsion shaft 38
Machine 33 connects, and 38 axial gap of torsion shaft is 1.5-2mm, by axial limiter 53, adjustment ring 54, bolt I55, bolt J56,
It adjusts gasket 57 and adjusts (referring to Fig. 5, Fig. 4).
The level-one sun gear 5 and 2 flank sideshake of primary planet pinion, so that level-one sun gear 5 radially has one
Fixed gap, level-one sun gear 5,38 very light in weight of torsion shaft, it is easy to float, level-one sun gear 5 is primary planet machine
The floating member of structure；It is combined between the level-one ring gear 16 and first stage decelerator shell 11 through spline connection 1, in level-one
Gear ring 16 also has certain amount of floating, and 16 wall of level-one ring gear is very thin, light-weight, easy to float, and level-one ring gear 16 is level-one
The floating member of planetary mechanism；Level-one sun gear 5, the basic floating member that level-one ring gear 16 is primary planet mechanism, it is real
The load of the multiple primary planet pinions 2 of primary planet mechanism is showed.
The secondary sun gear 40 is duplicate gear, and left end tooth and 10 right side internal tooth of primary planet carrier form tooth-like shaft coupling
Device, 40 left end flank of secondary solar gear have the limit of 10 internal tooth platform of primary planet carrier, right side to limit by snap ring 44, axial gap 2-
2.5mm(is referring to Fig. 1)；Secondary sun gear 40 and 25 flank sideshake of secondary planetary gear, so that secondary sun gear 40 is along diameter
To there is certain gap, be among secondary sun gear 40 hollow structure, it is light-weight, be easy to float, secondary sun gear 40 is
The floating member of secondary planet mechanism；It is combined between the second level ring gear 39 and rear-wheel hub 42 through spline connection 2 24, second level
Ring gear 39 also has certain amount of floating, and 39 wall of second level ring gear is very thin, light-weight, is easy to float, and second level ring gear 39 is two
The floating member of grade planetary mechanism；Secondary sun gear 40, the basic floating member that second level ring gear 39 is secondary planet mechanism,
Realize the load of the multiple secondary planetary gears 25 of secondary planet mechanism.
Claims (6)
1. a kind of heavy load vehicle motor driven hub reduction gear, it is characterised in that: comprising driving motor (33), shaft coupling (34),
Torsion shaft (38), primary planet deceleration mechanism, two-stage planetary reduction mechanism and rear-wheel hub (42), driving motor (33) pass through shaft coupling
Device (34) is connect with torsion shaft (38), and torsion shaft (38) is connect with level-one sun gear (5), level-one sun gear (5), level-one row
Star gear (2), primary planet carrier (10) and level-one ring gear (16) form primary planet deceleration mechanism；Secondary sun gear (40)
It is connect by gear coupling with primary planet carrier (10), secondary sun gear (40), secondary planetary gear (25), secondary planet
Frame (30) and second level ring gear (39) form two-stage planetary reduction mechanism；Level-one ring gear (16) and first stage decelerator shell (11)
It connects one (12) through spline to combine, second level ring gear (39) connect two (24) through spline with rear-wheel hub (42) and combines, primary speed-down
Device shell (11) passes through articulation bolt (13), bolt B (14), spring washer B(15 with rear-wheel hub (42)) it is fixed with one, after automobile
Tire is mounted on rear-wheel hub (42)；Secondary planet frame (30) is connected with vehicle body, after for bearing vehicle load-bearing
Hub support bearing (37), the spline connect the structure of one (12) are as follows: level-one ring gear (16) is equipped with external splines, with level-one
Internal spline on speed reducer housing (11) is connected；Spline connects the structure of two (24) are as follows: second level ring gear (39) is equipped with outer
Spline is connected with the internal spline on rear-wheel hub (42).
2. a kind of heavy load vehicle motor driven hub reduction gear according to claim 1, it is characterised in that: the spline connects
It connects in one (12), level-one ring gear (16) is step, and one end spline, other end entity, centre are undercut, the limitation of entity end
Level-one ring gear (16) axial displacement in one direction, and the axial movement of the other end is limited by level-one ring gear fixed block (17)
System；Level-one ring gear fixed block (17) passes through bolt C(18), spring washer C(19) it is fixed on first stage decelerator shell (11),
Level-one ring gear (16) is floating part.
3. a kind of heavy load vehicle motor driven hub reduction gear according to claim 1, it is characterised in that: the spline connects
It connects in two (24), second level ring gear (39) is step, and one end spline, other end entity, centre are undercut, the limitation of entity end
Second level ring gear (39) axial displacement in one direction, and the axial movement of the other end is limited by second level ring gear fixed block (41)
System；Second level ring gear fixed block (41) is arranged between rear-wheel hub spring bearing (37) and rear-wheel hub (42), second level ring gear
It (39) is floating part.
4. a kind of heavy load vehicle motor driven hub reduction gear according to claim 1, it is characterised in that: the rear-wheel hub
Spring bearing (37), quantity are two, use in pairs, are separately positioned on the two sides of rear-wheel hub (42), secondary planet frame (30).
5. a kind of heavy load vehicle motor driven hub reduction gear according to claim 1, it is characterised in that: the torsion shaft
(38) right end dress shaft coupling (34), left end fill level-one sun gear (5), pass through axial limiter (53), adjustment ring (54), bolt
I(55), bolt J(56) and gasket (57) control axial gap is adjusted, level-one sun gear (5) is floating part.
6. a kind of heavy load vehicle motor driven hub reduction gear according to claim 1, it is characterised in that: the second level is too
Positive gear (40) is duplicate gear, and left end tooth is limited by the internal tooth platform of primary planet carrier (10), and right side is carried out equipped with snap ring (44)
Limit, effectively control axial gap, secondary sun gear (40) are floating part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821246436.9U CN208546491U (en) | 2018-08-03 | 2018-08-03 | A kind of heavy load vehicle motor driven hub reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821246436.9U CN208546491U (en) | 2018-08-03 | 2018-08-03 | A kind of heavy load vehicle motor driven hub reduction gear |
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| Publication Number | Publication Date |
|---|---|
| CN208546491U true CN208546491U (en) | 2019-02-26 |
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ID=65425878
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821246436.9U Active CN208546491U (en) | 2018-08-03 | 2018-08-03 | A kind of heavy load vehicle motor driven hub reduction gear |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559240A (en) * | 2020-06-08 | 2020-08-21 | 浙江大学昆山创新中心 | AGV dolly is with electronic integrative wheel |
| CN112228515A (en) * | 2020-10-12 | 2021-01-15 | 徐州徐工矿业机械有限公司 | Engineering vehicle wheel side speed reducer and mining dump truck |
-
2018
- 2018-08-03 CN CN201821246436.9U patent/CN208546491U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559240A (en) * | 2020-06-08 | 2020-08-21 | 浙江大学昆山创新中心 | AGV dolly is with electronic integrative wheel |
| CN112228515A (en) * | 2020-10-12 | 2021-01-15 | 徐州徐工矿业机械有限公司 | Engineering vehicle wheel side speed reducer and mining dump truck |
| CN112228515B (en) * | 2020-10-12 | 2024-06-07 | 徐州徐工矿业机械有限公司 | Engineering vehicle wheel edge speed reducer and mining dump truck |
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