CN108253095A - Large-scale heavy duty mining electric truck speed reducer assembly - Google Patents
Large-scale heavy duty mining electric truck speed reducer assembly Download PDFInfo
- Publication number
- CN108253095A CN108253095A CN201810279173.XA CN201810279173A CN108253095A CN 108253095 A CN108253095 A CN 108253095A CN 201810279173 A CN201810279173 A CN 201810279173A CN 108253095 A CN108253095 A CN 108253095A
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- gear
- transmission mechanism
- primary
- speed reducer
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- 238000005065 mining Methods 0.000 title claims abstract description 20
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 88
- 208000032369 Primary transmission Diseases 0.000 claims abstract description 39
- 238000009434 installation Methods 0.000 claims description 35
- 238000005096 rolling process Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000008450 motivation Effects 0.000 claims description 6
- 208000032370 Secondary transmission Diseases 0.000 claims description 4
- 241000239290 Araneae Species 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 11
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 239000010731 rolling oil Substances 0.000 description 1
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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/36—Toothed gearings for conveying rotary motion with gears having orbital motion with two central gears coupled by intermeshing orbital gears
-
- 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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
-
- 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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/031—Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a kind of large-scale heavy duty mining electric truck speed reducer assembly, including fixed frame, power input shaft, hub unit, primary transmission mechanism and secondary drive mechanism；Fixed frame is horn-like supporting sleeve, hub unit rotating jacket is in the miner diameter end outer circle of supporting sleeve, one end of power input shaft, which sequentially passes through supporting sleeve, secondary drive mechanism and primary transmission mechanism and driven with primary transmission mechanism, to be coordinated, and primary transmission mechanism and secondary drive mechanism are planetary gear mechanism；By the way that double reduction mechanism is transferred to wheel hub by power simultaneously, conducive to drive efficiency is improved, ensure that driving force is big, while bearing strength higher, stability are stronger；Compact-sized, small, carrying is big, easy to maintenance, of low cost, safe and reliable, conducive to popularization.
Description
Technical field
The present invention relates to speed reducer for electric vehicle fields, and in particular to a kind of large-scale heavy duty mining electric truck retarder is total
Into.
Background technology
It is mounted in tire for the mining heavy load truck of transport, the wheel side speed reducer of driving thereon on glory-hole
Center portion position, size are limited by tire, small, carrying is big, structure is special, at present used in country's high capacity car it is all into
Mouthful, it is expensive, maintenance costs are high；Structural mechanism is complicated, since retarder stress is larger, easily causes malformation, long
Stability after phase use is poor, and service life is short.
Therefore, to solve problem above, a kind of large-scale heavy duty mining electric truck speed reducer assembly is needed, can effectively be changed
Kind stressing conditions, improve service life, ensure safety, meanwhile, it is simple in structure, it is of low cost.
Invention content
In view of this, the purpose of the present invention is overcoming in the prior art the defects of, provides large-scale heavy duty mining electric truck
Speed reducer assembly can be effectively improved stressing conditions, improve service life, ensure safety, meanwhile, it is simple in structure, it is of low cost.
The large-scale heavy duty mining electric truck speed reducer assembly of the present invention, including fixed frame, power input shaft, wheel hub group
Part, primary transmission mechanism and secondary drive mechanism；The fixed frame be horn-like supporting sleeve, the hub unit rotating jacket
In the miner diameter end outer circle of supporting sleeve, one end of the power input shaft sequentially passes through supporting sleeve, secondary drive mechanism and level-one and passes
Motivation structure simultaneously drives cooperation with primary transmission mechanism, and the primary transmission mechanism and secondary drive mechanism are planetary gear machine
Structure, the level-one sun gear of the primary transmission mechanism as primary transmission mechanism power input circumferentially fixed jacket in dynamic
Power input shaft, the primary planet carrier of primary transmission mechanism are consolidated as the first power output member of primary transmission mechanism with hub unit
Fixed connection, the level-one ring gear of primary transmission mechanism is as the second power output member of primary transmission mechanism and as secondary transmission
The secondary solar gear transmission cooperation of mechanism power input, the two level ring gear of the secondary drive mechanism is as secondary transmission machine
The power output member of structure is fixedly connected with hub unit；The secondary planet frame of secondary drive mechanism is circumferentially fixed on supporting sleeve.
Further, the primary planet carrier of the primary transmission mechanism is the outboard end for being internally provided with planetary gear mounting groove
Lid, the outer end sidewall edge of the outside end cap, which is provided with, exports the power section of primary planet carrier for being bolted
To the bolt hole of hub unit；The level-one ring gear of the primary transmission mechanism is fixed with horn-like inside end cap, described
The stub end outer circle of inside end cap be provided with external tooth and with the interior tooth engagement of level-one ring gear, the small head end of inside end cap is shell-like
Pipe, the shell-like pipe inner circle is provided with internal tooth and the interior tooth engagement is coated at the secondary solar gear of secondary drive mechanism and by level-one
The power section of planet carrier is exported to next stage transmission mechanism.
Further, the primary planet wheel of the primary transmission mechanism is multiple and pass through rolling bearing and primary planet respectively
Wheel shaft is rotatablely installed in planetary gear mounting groove.
Further, it is placed in the outer end of the primary planet wheel shaft and planetary gear mounting groove has been shaped in by outside end cap
The mounting base of lateral wall, the inner end of primary planet wheel shaft are pierced by outside end cap and form radially inside level-one axially inward
Oil inlet is additionally provided with the level-one lubrication being communicated between level-one oil inlet and corresponding rolling bearing in the primary planet wheel shaft
Oil duct；The primary planet axle outer end is provided with to fix on primary planet wheel shaft and the fixed level-one of outside bolt of cover
Hole；The inner face of the level-one ring gear is provided with the limiting plate limited in an axial direction for internal side end cap, and the limiting plate leads to
Cross the inner face that bolt is fixed on level-one ring gear.
Further, the sun gear of the secondary drive mechanism is sun wheel case, and the sun wheel case axially extends to be formed
For the extended segment as secondary drive mechanism power intake.
Further, the secondary planet frame of the secondary drive mechanism is the secondary planet for being internally provided with planetary gear mounting groove
Installation set, the inner side end of the secondary planet installation set axially extend to form circumferentially fixed ring gear, secondary drive mechanism
The fixation gear 34 being set between circumferentially fixed ring gear and supporting sleeve is further included, the outer circle of the fixed gear 34 is by setting
It puts external tooth to engage with circumferentially fixed ring gear, the inner circle of fixed gear 34 is by setting internal tooth and being set to the outer of supporting sleeve outer circle
Tooth engagement.
Further, the outer end face of the sun wheel case is additionally provided with axial restraint ring, and the axial restraint ring passes through bolt
It is fixed on the outer end face of sun wheel case.
Further, the secondary planetary gear is rotatablely installed by two level rolling bearing and secondary planet wheel shaft in two level row
In the planetary gear mounting groove of star installation set, the outer circle of the secondary planet installation set is set to two-stage oil feeding mouth, the two level row
It in star installation set and is provided with to be collectively formed in secondary planet wheel shaft and be communicated between two-stage oil feeding mouth and two level rolling bearing
Oil leab, the secondary planet installation set are integrally formed the mounting base for installing secondary planet wheel shaft, the secondary planet
Wheel shaft sets installation screw bolt to be fixed on secondary planet installation set by end face；The secondary planetary gear is three.
Further, the hub unit includes in an axial direction sequentially coaxially fixed hub body, second motive force input side by side
Circle and first order kinetics input set；The inner circle of the second motive force input circle is provided with the internal tooth inputted for power, the level-one
The outer end face of power input set is provided with the screw hole for connecting external impetus part.
Further, the small head end outer circle of the supporting sleeve is provided with to install fixed gear 34 and prevent fixed gear 34
The external splines of rotation.
The beneficial effects of the invention are as follows：A kind of large-scale heavy duty mining electric truck speed reducer assembly disclosed by the invention leads to
It crosses and power is transferred to wheel hub by double reduction mechanism simultaneously, conducive to drive efficiency is improved, ensure that driving force is big, while carry strong
Higher is spent, stability is stronger；Compact-sized, small, carrying is big, easy to maintenance, of low cost, safe and reliable, is conducive to
It promotes.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples：
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
Fig. 1 is the structural diagram of the present invention, as shown in the figure, the large-scale heavy duty mining electric truck in the present embodiment slows down
Device assembly；Including fixed frame 1, power input shaft 25, hub unit, primary transmission mechanism and secondary drive mechanism；The fixation
Frame 1 is horn-like supporting sleeve 1, and the hub unit rotating jacket is in the miner diameter end outer circle of supporting sleeve 1, the power input shaft
25 one end, which sequentially passes through supporting sleeve 1, secondary drive mechanism and primary transmission mechanism and driven with primary transmission mechanism, to be coordinated, institute
It is planetary gear mechanism to state primary transmission mechanism and secondary drive mechanism, and the level-one sun gear 28 of the primary transmission mechanism is made
Power input for primary transmission mechanism circumferentially fixed jacket in power input shaft 25, the primary planet of primary transmission mechanism
Frame is fixedly connected as the first power output member of primary transmission mechanism with hub unit, the level-one ring gear of primary transmission mechanism
The second power output member as primary transmission mechanism is passed with the secondary solar gear 27 as secondary drive mechanism power input
Dynamic cooperation, the two level ring gear of the secondary drive mechanism are fixed as the power output member of secondary drive mechanism with hub unit
Connection；The secondary planet frame of secondary drive mechanism is circumferentially fixed on supporting sleeve 1；By by double reduction mechanism simultaneously by power
Wheel hub is transferred to, conducive to drive efficiency is improved, ensures that driving force is big, while bearing strength higher, stability are stronger；Structure is tight
It gathers, small, carrying is big, easy to maintenance, of low cost, safe and reliable, conducive to popularization.
In the present embodiment, the primary planet carrier 18 of the primary transmission mechanism is be internally provided with planetary gear mounting groove outer
Side end cap, the outer end sidewall edge of the outside end cap are provided with to connect the power of primary planet carrier 18 by bolt 16
Part is exported to the bolt hole 17 of hub unit；The level-one ring gear of the primary transmission mechanism is fixed with horn-like inside
End cap, the stub end outer circle of the inside end cap be provided with external tooth and with the interior tooth engagement of level-one ring gear 19, inside end cap 26
Small head end for shell-like pipe, the shell-like pipe inner circle is provided with internal tooth and the interior tooth engagement is coated at the two level of secondary drive mechanism
Sun gear 27 simultaneously exports the power section of primary planet carrier 18 to next stage transmission mechanism；Primary transmission mechanism structure it is compact and
Reasonable design, intensity is high, and bearing capacity is big.
In the present embodiment, the primary planet wheel 20 of the primary transmission mechanism passes through for multiple (preferably three) and respectively
Rolling bearing and primary planet wheel shaft 21 are rotatablely installed in planetary gear mounting groove；Ensure that primary planet wheel 20 installs firm, operation
Stablize.
In the present embodiment, it is placed in the outer end of the primary planet wheel shaft 21 and planetary gear has been shaped in by outside end cap
The mounting base of mounting groove lateral wall, the inner end of primary planet wheel shaft 21 be pierced by axially inward outside end cap and formed radially to
Interior level-one oil inlet 23 is additionally provided in the primary planet wheel shaft 21 and is communicated in level-one oil inlet 23 and corresponding rolling bearing
Between level-one oil leab；21 outer end of primary planet wheel shaft is provided with for by primary planet wheel shaft 21 and outside end cap
22 fixed level-one mounting hole of bolt；The inner face of the level-one ring gear is provided with to be limited in an axial direction for internal side end cap 26
Limiting plate 28, the limiting plate 28 is secured by bolts in the inner face of level-one ring gear；Enter level-one profit conducive to lubricating oil
Grease way realizes effectively lubricating, ensures that work is smooth, while stabilized structure, is convenient to mount and dismount, conducive to maintenance and repair.
In the present embodiment, the sun gear of the secondary drive mechanism is sun wheel case, and the sun wheel case axially extends
It is formed for the extended segment as secondary drive mechanism power intake；The sun wheel case outer circle sets external splines, assembling side
Just, driving torque is big.
In the present embodiment, the secondary planet frame of the secondary drive mechanism is the two level for being internally provided with planetary gear mounting groove
Planet installation set, the inner side end of the secondary planet installation set axially extend to form circumferentially fixed ring gear, secondary transmission
Mechanism further includes the fixation gear 34 being set between circumferentially fixed ring gear and supporting sleeve 1, the outer circle of the fixed gear 34
By the way that external tooth is set to be engaged with circumferentially fixed ring gear, the inner circle of fixed gear 34 is by setting internal tooth and being set to supporting sleeve 1
The outer tooth engagement of outer circle；Conducive to stress is improved, tooth engagement is conducive to anti-support stress buffering, ensures that each component shape is stablized.
In the present embodiment, the outer end face of the sun wheel case is additionally provided with axial restraint ring, and the axial restraint ring passes through
Bolt is fixed on the outer end face of sun wheel case；It is convenient to mount and dismount, installation is stablized.
In the present embodiment, the secondary planetary gear by two level rolling bearing and secondary planet wheel shaft 29 be rotatablely installed in
In the planetary gear mounting groove of secondary planet installation set, the outer circle of the secondary planet installation set is set to two-stage oil feeding mouth, described
It in secondary planet installation set and is provided with to be collectively formed in secondary planet wheel shaft 29 and is communicated in two-stage oil feeding mouth and the two level axis of rolling
Oil leab between holding, the secondary planet installation set are integrally formed the mounting base for installing secondary planet wheel shaft 29, institute
State secondary planet wheel shaft 29 sets installation screw bolt to be fixed on secondary planet installation set by end face；The secondary planetary gear
30 be three；Conducive to lubrication, while stress difference is reasonable.
The secondary drive mechanism further includes T shapes set 33, is placed in 1 small end of supporting sleeve in the intermediate tube of the T shapes set 33
Circle, the wing ring of T shapes set 33 are secured by bolts in 1 small end end face of supporting sleeve and form axial limiting to fixed gear 34；The T
The intermediate tube inner circle of shape set 33 by bearing outside in power input shaft 25, and the small head end of intermediate tube of T shapes set 33 also set up it is existing
Some dynamic sealing mechanisms are used to axially be sealed 25 outer circle of power input shaft.
The stub end outer circle of the supporting sleeve 1 extends radially outward to form retainer ring 2, and the retainer ring 2 is circumferentially divided
Cloth is provided with multiple mounting holes 3；Installation is stablized and conveniently, structural strength is high.
Gear oil protrusion 35 is convexed to form on the downside of the intermediate inner circle of the supporting sleeve 1 radially inward；It is easily manufactured, use effect
Fruit is good.
The intermediate outer circle of the supporting sleeve 1 radially convexes to form the single-side sealing seat 5 for installing floating seal；
As shown in the figure, it is easily manufactured, it is convenient for assembly, it is of low cost conducive to installation effectiveness is improved.
The outer circle of the supporting sleeve 1 is recessed the anti-rotation cotter way 6 to be formed for installing stop pin radially inward；Avoid bearing
Inner ring rotates, easy to assembly.
The small head end outer circle of the supporting sleeve 1 is provided with to install fixed gear 34 and prevent what fixed gear 34 from rotating
External splines；Buffer gap is circumferentially formed between supporting sleeve 1 and fixed gear 34 as shown in the figure, facilitating, counter hold in the palm of wheel hub is avoided to make
1 deformation of supporting sleeve.
The small head end end face of the supporting sleeve 1 is recessed the screw hole for installing axial limiting part；The axial limiting
Part is ring plate, and the outer edge of the ring plate is axially formed blocking and forms limiting, simple in structure, assembly and disassembly side to fixed gear 34
Just.
Annular is convexed to form radially inward at stub end in 1 inner circle of supporting sleeve strengthens convex ribs 4；It effectively improves
The structural strength of supporting sleeve 1 avoids supporting sleeve 1 from damaging.
The hub unit includes fixed hub body 7 sequentially coaxially arranged side by side, second motive force input circle and one in an axial direction
Grade power input set；The inner circle of the second motive force input circle 11 is provided with the internal tooth inputted for power, the first order kinetics
The outer end face of input set is provided with the screw hole for connecting external impetus part；It is simple in structure, stability under loading, power input efficiency
It is high.
7 outer end face of hub body axially extends to form installation set 9, the inner end edge of the first order kinetics input set 15
Bent radial forms connection ring 12, and the installation set 9, second motive force input circle 11 and connection ring 12 pass through the locking that axially sets
Screw is fixed, and the sunken end face of the installation set 9 forms the locking screw holes 10 with 14 thread fitting of lock-screw；Conducive to carrying
Height connection toughness, bearing capacity is larger, and conducive to maintenance and repair.
It is T shapes that the axial both sides of second motive force input 11 sections of circle, which are formed for making second motive force input 11 sections of circle,
The interior limited step 13 of shape, the outer end face of the installation set 9 and the inner face of connection ring 12 be respectively formed with it is corresponding in limiting stand
The outer limited step of the overlap joint cooperation of rank 13；Ensure that installation is stablized, avoid loosening.
The hub body 7 is also integrally formed the single-side sealing mounting base 8 being provided with for installing floating seal；Manufacturer
Just, conducive to assembling, installation effectiveness is improved.
The inner circle of the installation set 9 is additionally provided with fuel outlet 32, and the fuel outlet is connected with the locking screw holes 31 of bottom；If
Meter is reasonable, easy to use.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail in good embodiment, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (10)
1. a kind of large-scale heavy duty mining electric truck speed reducer assembly, it is characterised in that：Including fixed frame, power input shaft, wheel
Hub assembly, primary transmission mechanism and secondary drive mechanism；The fixed frame is horn-like supporting sleeve, the hub unit rotation
The miner diameter end outer circle of supporting sleeve is coated at, one end of the power input shaft sequentially passes through supporting sleeve, secondary drive mechanism and one
Grade transmission mechanism simultaneously drives cooperation with primary transmission mechanism, and the primary transmission mechanism and secondary drive mechanism are planetary gear
Mechanism, the level-one sun gear of the primary transmission mechanism as primary transmission mechanism power input circumferentially fixed jacket in
Power input shaft, the first power output member and hub unit of the primary planet carrier of primary transmission mechanism as primary transmission mechanism
It is fixedly connected, the level-one ring gear of primary transmission mechanism is passed as the second power output member of primary transmission mechanism and as two level
The secondary solar gear transmission cooperation of motivation structure power input, the two level ring gear of the secondary drive mechanism is as secondary transmission
The power output member of mechanism is fixedly connected with hub unit；The secondary planet frame of secondary drive mechanism is circumferentially fixed on support
Set.
2. large-scale heavy duty mining electric truck speed reducer assembly according to claim 1, it is characterised in that：The level-one passes
The primary planet carrier of motivation structure is the outside end cap for being internally provided with planetary gear mounting groove, the outer end side edge of the outside end cap
Edge, which is provided with, to be exported for the power section being bolted primary planet carrier to the bolt hole of hub unit；The level-one
The level-one ring gear of transmission mechanism is fixed with horn-like inside end cap, and the stub end outer circle of the inside end cap is provided with outside
Tooth and with the interior tooth engagement of level-one ring gear, the small head end of inside end cap is shell-like pipe, and the shell-like pipe inner circle is provided with internal tooth
And the interior tooth engagement is coated at the secondary solar gear of secondary drive mechanism and exports the power section of primary planet carrier to next
Grade transmission mechanism.
3. large-scale heavy duty mining electric truck speed reducer assembly according to claim 2, it is characterised in that：The level-one passes
The primary planet wheel of motivation structure is multiple and is installed respectively by rolling bearing and the rotational installation of primary planet wheel shaft in planetary gear
Slot.
4. large-scale heavy duty mining electric truck speed reducer assembly according to claim 3, it is characterised in that：The level-one row
The mounting base that planetary gear mounting groove lateral wall is shaped in by outside end cap, primary planet wheel are placed in the outer end of spider gear shaft
The inner end of axis is pierced by outside end cap and forms radially inside level-one oil inlet axially inward, in the primary planet wheel shaft
It is additionally provided with the level-one oil leab being communicated between level-one oil inlet and corresponding rolling bearing；The primary planet axle outer end
It is provided with for by primary planet wheel shaft and the fixed level-one mounting hole of outside bolt of cover；The inner face of the level-one ring gear
The limiting plate limited in an axial direction for internal side end cap is provided with, the limiting plate is secured by bolts in the interior of level-one ring gear
End face.
5. large-scale heavy duty mining electric truck speed reducer assembly according to claim 1, it is characterised in that：The two level passes
The sun gear of motivation structure is sun wheel case, and the sun wheel case axially extends to be formed for defeated as secondary drive mechanism power
Enter the extended segment at end.
6. large-scale heavy duty mining electric truck speed reducer assembly according to claim 5, it is characterised in that：The two level passes
The secondary planet frame of motivation structure is the secondary planet installation set for being internally provided with planetary gear mounting groove, the secondary planet installation set
Inner side end axially extend to form circumferentially fixed ring gear, secondary drive mechanism, which further includes, is set to circumferentially fixed ring gear
Fixation gear 34 between supporting sleeve, the outer circle of the fixed gear 34 is by setting external tooth to be nibbled with circumferentially fixed ring gear
It closes, the inner circle of fixed gear 34 passes through the outer tooth engagement that sets internal tooth Yu be set to supporting sleeve outer circle.
7. large-scale heavy duty mining electric truck speed reducer assembly according to claim 6, it is characterised in that：The sun gear
The outer end face of set is additionally provided with axial restraint ring, and the axial restraint ring is secured by bolts in the outer end face of sun wheel case.
8. large-scale heavy duty mining electric truck speed reducer assembly according to claim 7, it is characterised in that：The two level row
Star gear is rotatablely installed by two level rolling bearing and secondary planet wheel shaft in the planetary gear mounting groove of secondary planet installation set,
The outer circle of the secondary planet installation set is set to two-stage oil feeding mouth, in the secondary planet installation set and in secondary planet wheel shaft
It is provided with the oil leab for being collectively formed and being communicated between two-stage oil feeding mouth and two level rolling bearing, the secondary planet installation set
The mounting base for installing secondary planet wheel shaft is integrally formed, the secondary planet wheel shaft sets installation screw bolt by end face
It is fixed on secondary planet installation set；The secondary planetary gear is three.
9. large-scale heavy duty mining electric truck speed reducer assembly according to claim 4, it is characterised in that：The wheel hub group
Part includes fixed hub body sequentially coaxially arranged side by side, second motive force input circle and first order kinetics input set in an axial direction；Described two
The inner circle of grade power input circle is provided with the internal tooth inputted for power, and the outer end face setting of the first order kinetics input set is useful
In the screw hole of connection external impetus part.
10. large-scale heavy duty mining electric truck speed reducer assembly according to claim 8, it is characterised in that：The support
The small head end outer circle of set is provided with to install fixed gear 34 and the external splines for preventing fixed gear 34 from rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810279173.XA CN108253095A (en) | 2018-03-31 | 2018-03-31 | Large-scale heavy duty mining electric truck speed reducer assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810279173.XA CN108253095A (en) | 2018-03-31 | 2018-03-31 | Large-scale heavy duty mining electric truck speed reducer assembly |
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| Publication Number | Publication Date |
|---|---|
| CN108253095A true CN108253095A (en) | 2018-07-06 |
Family
ID=62747740
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810279173.XA Pending CN108253095A (en) | 2018-03-31 | 2018-03-31 | Large-scale heavy duty mining electric truck speed reducer assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357320A (en) * | 2021-05-28 | 2021-09-07 | 徐州徐工矿业机械有限公司 | Hub reduction gear with two-stage planet carrier double-coupling structure |
| CN114538276A (en) * | 2022-04-22 | 2022-05-27 | 河南东起机械有限公司 | Crane wheel |
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| CN103836168A (en) * | 2012-11-26 | 2014-06-04 | 住友重机械工业株式会社 | Planetary gear device |
| JP2015025489A (en) * | 2013-07-25 | 2015-02-05 | 日立建機株式会社 | Dump truck traveling drive assembly |
| CN103912636A (en) * | 2014-03-28 | 2014-07-09 | 南车戚墅堰机车车辆工艺研究所有限公司 | Hub reduction gear |
| CN104964003A (en) * | 2015-07-14 | 2015-10-07 | 苏州托玛斯自动化科技有限公司 | Planetary reducer |
| CN107152501A (en) * | 2017-06-13 | 2017-09-12 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of transmission device, hub unit, wheel heel teeth wheel apparatus and dumper |
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| CN113357320A (en) * | 2021-05-28 | 2021-09-07 | 徐州徐工矿业机械有限公司 | Hub reduction gear with two-stage planet carrier double-coupling structure |
| CN113357320B (en) * | 2021-05-28 | 2022-05-20 | 徐州徐工矿业机械有限公司 | Hub reduction gear with two-stage planet carrier double-coupling structure |
| CN114538276A (en) * | 2022-04-22 | 2022-05-27 | 河南东起机械有限公司 | Crane wheel |
| CN114538276B (en) * | 2022-04-22 | 2022-07-29 | 河南东起机械有限公司 | Crane wheel |
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