CN107191551A - A kind of planet gear reducing mechanism and drive device - Google Patents
A kind of planet gear reducing mechanism and drive device Download PDFInfo
- Publication number
- CN107191551A CN107191551A CN201710644811.9A CN201710644811A CN107191551A CN 107191551 A CN107191551 A CN 107191551A CN 201710644811 A CN201710644811 A CN 201710644811A CN 107191551 A CN107191551 A CN 107191551A
- Authority
- CN
- China
- Prior art keywords
- gear
- end cover
- reducing mechanism
- sun
- planetary gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
-
- 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
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
- F16H2001/327—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear with orbital gear sets comprising an internally toothed ring gear
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of planet gear reducing mechanism and drive device, including upper end cover and bottom end cover, gear ring is fixedly installed between upper end cover and bottom end cover, the inner rotation of gear ring is provided with the sun gear driven by exterior power, wherein, the axial line of gear ring is overlapped with the axial line of sun gear.Rotate to be provided with fixed mount, fixed mount between sun gear and gear ring and be fixedly installed planetary gear, wherein, sun gear and gear ring are engaged with planetary gear.Gear frame is fixedly installed on planetary gear, gear frame is rotated with upper end cover and is connected.The planet gear reducing mechanism is simple in construction, and compact, slowing effect is excellent.
Description
Technical field
The present invention relates to reducing gear technical field, more particularly to a kind of planet gear reducing mechanism and drive device.
Background technology
Decelerator plays matching rotating speed between prime mover and working machine or executing agency and transmits torque, in the modern times
Using extremely wide in machinery, decelerator can be divided into universal speed reducer and speed reducer dedicated two major class by purposes, both designs,
Manufacture and handling characteristics are different, and decelerator is the independent type closed driving device between prime mover and working machine, for dropping
The slow-speed of revolution and increase torque, to meet need of work,
Reduction box is used existing decelerator more, but the volume of reduction box is big, is not easy to install and safeguards.Meanwhile, slow down
The intraware of case is more, easily there is hidden danger, and quality is difficult to ensure that, causes the cost of overhaul high.
The content of the invention
It is an object of the invention to overcome the defect of prior art there is provided a kind of planet gear reducing mechanism and drive device,
To solve the problems of the prior art.
To solve the above problems, the invention provides：A kind of planet gear reducing mechanism, including upper end cover and bottom end cover, institute
State and be fixedly installed gear ring between upper end cover and the bottom end cover；
The inner rotation of the gear ring is provided with the sun gear driven by exterior power, wherein, the axial line of the gear ring
Overlapped with the axial line of the sun gear；
Hollow actuating shaft is fixedly installed on the sun gear, the axial line of the hollow actuating shaft and the sun gear is total to
Line；
Rotated between the sun gear and the gear ring and be provided with fixed mount；
Be fixedly installed planetary gear on the fixed mount, wherein, the sun gear and the gear ring with the planetary gear
Engagement；
Gear frame is fixedly installed on the planetary gear；
The gear frame is rotated with the upper end cover and is connected.
As the further improvement of above-mentioned technical proposal, the planetary gear has multiple, and on the axle center of the sun gear
Wire loop array distribution.
As the further improvement of above-mentioned technical proposal, double end spiral shell is provided between the gear frame and the planetary gear
The gear frame, is fixedly connected by bolt by the stud with the planetary gear；
The stud is fixedly connected through the planetary gear with the fixed mount.
As the further improvement of above-mentioned technical proposal, flange is provided with the gear frame；
Through hole is provided with the upper end cover；
The flange is rotated with the through hole and is connected.
As the further improvement of above-mentioned technical proposal, bearing is provided between the flange and the through hole.
Present invention also offers：A kind of drive device, including planet gear reducing mechanism；
Wherein, the planet gear reducing mechanism, including upper end cover and bottom end cover, between the upper end cover and the bottom end cover
It is fixedly installed gear ring；
The inner rotation of the gear ring is provided with sun gear, wherein, the axle of the axial line of the gear ring and the sun gear
Heart line is overlapped；
Hollow actuating shaft is fixedly installed on the sun gear, the axial line of the hollow actuating shaft and the sun gear is total to
Line；
Rotated between the sun gear and the gear ring and be provided with fixed mount；
Be fixedly installed planetary gear on the fixed mount, wherein, the sun gear and the gear ring with the planetary gear
Engagement；
Gear frame is fixedly installed on the planetary gear；
The gear frame is rotated with the upper end cover and is connected；
The drive device also includes the power source for being used to drive the hollow actuating shaft to rotate.
As the further improvement of above-mentioned technical proposal, the planetary gear has multiple, and on the axle center of the sun gear
Wire loop array distribution.
As the further improvement of above-mentioned technical proposal, double end spiral shell is provided between the gear frame and the planetary gear
The gear frame, is fixedly connected by bolt by the stud with the planetary gear；
The stud is fixedly connected through the planetary gear with the fixed mount.
As the further improvement of above-mentioned technical proposal, flange is provided with the gear frame；
Through hole is provided with the upper end cover；
The flange is rotated with the through hole and is connected.
As the further improvement of above-mentioned technical proposal, bearing is provided between the flange and the through hole.
The beneficial effects of the invention are as follows：The present invention proposes a kind of planet gear reducing mechanism, including upper end cover and bottom end cover, on
Gear ring is fixedly installed between end cap and bottom end cover, the inner rotation of gear ring is provided with the sun gear driven by exterior power, its
In, the axial line of gear ring is overlapped with the axial line of sun gear.Be fixedly installed hollow actuating shaft on sun gear, hollow actuating shaft with
The axial line of sun gear is conllinear.Rotate to be provided with fixed mount, fixed mount between sun gear and gear ring and be fixedly installed planetary gear,
Wherein, sun gear and gear ring are engaged with planetary gear.Gear frame is fixedly installed on planetary gear, gear frame is rotated with upper end cover to be connected
Connect.
The planet gear reducing mechanism sun gear drives it to rotate as driving link by exterior power；And fixed mount is passive
Part.So, the rotating speed of sun gear is more than the rotating speed of fixed mount, you can to show that planet gear reducing mechanism input speed is more than output
Rotating speed, then realizes the purpose of deceleration.
The planet gear reducing mechanism can substitute horizontal reduction gearbox, can be driven by small-sized motor, and improve motor transmission
Efficiency.
The planet gear reducing mechanism is simple in construction, and compact, slowing effect is excellent.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described.It should be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore it is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is a kind of exploded perspective view of planet gear reducing mechanism in the embodiment of the present invention；
Fig. 2 is a kind of gear ring, sun gear, the connection diagram of planetary gear and fixed mount in the embodiment of the present invention；
Fig. 3 is a kind of exploded perspective view of drive device in the embodiment of the present invention.
Main element symbol description：
100- upper end covers；200- bottom end covers；300- gear rings；
400- sun gears；500- fixed mounts；600- planetary gears；
700- gear frames；710- flanges；800- studs；
900- bearings；1000- hollow actuating shafts；1100- power sources.
Embodiment
Hereinafter, various embodiments of the present invention will be described more fully.The present invention can have various embodiments, and
It can adjust and change wherein.It should be understood, however, that：It is limited to spy disclosed herein in the absence of by various embodiments of the present invention
Determine the intention of embodiment, but should invention is construed as covering falling into the spirit and scope of various embodiments of the present invention
All adjustment, equivalent and/or alternative.
Hereinafter, the term " comprising " that can be used in various embodiments of the present invention or " may include " indicate disclosed
Function, operation or the presence of element, and do not limit the increase of one or more functions, operation or element.In addition, such as existing
Used in various embodiments of the present invention, term " comprising ", " having " and its cognate are meant only to represent special characteristic, number
Word, step, operation, element, the combination of component or foregoing item, and be understood not to exclude first one or more other
Feature, numeral, step, operation, element, the presence of the combination of component or foregoing item or increase one or more features, numeral,
Step, operation, element, the possibility of the combination of component or foregoing item.
In various embodiments of the present invention, statement "or" or " in A or/and B at least one " include what is listed file names with
Any combinations of word or all combinations." A or B " or " in A or/and B at least one " may include A, may include for example, statement
B may include A and B both.
The statement (" first ", " second " etc.) used in various embodiments of the present invention can be modified to be implemented various
Various element in example, but corresponding element can not be limited.For example, presented above be not intended to limit the suitable of the element
Sequence and/or importance.The purpose presented above for being only used for differentiating an element and other elements.For example, the first user fills
Put and indicate different user device with second user device, although the two is all user's set.For example, not departing from each of the present invention
In the case of the scope for planting embodiment, the first element is referred to alternatively as the second element, similarly, and the second element is also referred to as first
Element.
It should be noted that：In the present invention, unless otherwise clear and definite regulation and definition, the art such as " installation ", " connection ", " fixation "
Language should be interpreted broadly, for example, it may be being fixedly connected, can also be detachably connected or be integrally connected；It can be machine
Tool is connected or electrically connected；Can be directly connected to, also can be by intermediary and be indirectly connected to；It can be two
The connection of element internal.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in invention.
In the present invention, one of ordinary skill in the art is it is to be appreciated that indicating position or position relationship in text
Term be based on orientation shown in the drawings or position relationship, be for only for ease of description the present invention and simplify description, without
It is instruction or implies that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.
The term used in various embodiments of the present invention is only used for describing the purpose of specific embodiment and not anticipated
In limitation various embodiments of the present invention.As used herein, singulative is intended to also include plural form, unless context is clear
Chu it is indicated otherwise.Unless otherwise defined, all terms (including the technical term and scientific terminology) tool being otherwise used herein
There is the implication identical implication being generally understood that with various embodiments of the present invention one skilled in the art.The term
(term such as limited in the dictionary typically used) is to be interpreted as having and the situational meaning in correlative technology field
Identical implication and it will be not construed as with Utopian implication or excessively formal implication, unless in the various of the present invention
It is clearly defined in embodiment.
Embodiment 1
Refering to Fig. 1, propose in the present embodiment, a kind of planet gear reducing mechanism, including upper end cover 100 and bottom end cover 200,
Gear ring 300 is fixedly installed between upper end cover 100 and bottom end cover 200；
The inner rotation of gear ring 300 is provided with sun gear 400, wherein, the axial line of gear ring 300 and the axle of sun gear 400
Heart line is overlapped；
Hollow actuating shaft 1000, the axial line of hollow actuating shaft 1000 and sun gear 400 are fixedly installed on sun gear 400
Collinearly；
Rotated between sun gear 400 and gear ring 300 and be provided with fixed mount 500；
Planetary gear 600 is fixedly installed on fixed mount 500, wherein, sun gear 400 and gear ring 300 are nibbled with planetary gear 600
Close；
Gear frame 700 is fixedly installed on planetary gear 600；
Gear frame 700 is rotated with upper end cover 100 and is connected.
Gear frame 700 can be used for the axletree or other external devices for connecting kart, for transmitting power and turning
Speed.Because gear frame 700 and fixed mount 500 are fixedly connected with planetary gear 600, gear frame 700 turns with fixed mount 500
Speed is identical.After the rotating speed of fixed mount 500 is drawn, the rotating speed of gear frame 700 can be both learnt.
As shown in Fig. 2 in the present embodiment, planet gear reducing mechanism includes sun gear 400, planetary gear 600 and fixed mount
500。
Output speed is caused to be less than input speed using the planet gear reducing mechanism, to realize the purpose of deceleration.
Planet gear reducing mechanism is simple in construction, and small volume, component are few, is easily installed and safeguards.
Wherein, planetary gear 600 be provided with it is multiple, and on sun gear 400 axial line annular array be distributed.
In the present embodiment, planetary gear 600 is provided with 4.In other specific embodiments, row can be arranged as required to
The quantity of star-wheel 600.
Stud 800 is provided between gear frame 700 and planetary gear 600, by stud 800 by gear frame 700
It is fixedly connected with planetary gear 600, stud 800 is fixedly connected through planetary gear 600 with fixed mount 500.
It is provided with gear frame 700 on flange 710, upper end cover 100 and is provided with through hole.Flange 710 passes through through hole, and with leading to
Hole rotates connection.
Wherein, bearing 900 is provided between flange 710 and through hole.
In the present embodiment, planet gear reducing mechanism can apply to kart.
Kart is English KARTING transliteration, means tiny motion automobile.Karting was opened in 1940 in Eastern Europe
Begin to occur, just popularize and develop rapidly in America and Europe to late 1950s.Due to its it is simple in construction, safe and
And great racing characteristic, the rapid fashionable world of kart.
The regulation for the technical regulation promulgated according to the international kart committee (CIK), kart is referred exclusively to " with miniature gasoline engine
Or motor is power, and 350mm pneumatic tire is less than using maximum gauge, it is less than away from ground total height (without headrest)
650mm, front-wheel is oriented to, rear wheel drive, indifference speed variator and anti-vibration structure, four-wheel durable contact ground, the single seat of being driven by people
Go kart ".
Kart is to use chain gear transmission now, and realizes deceleration using horizontal reduction gearbox.But the structure of kart all compares
Compacter, horizontal reduction gearbox volume is big, is not easy to install, and the difficulty safeguarded is big.Meanwhile, horizontal reduction gearbox can also increase vehicle
Weight.
The planet gear reducing mechanism is simple in construction, and compact, slowing effect is excellent.This allows the drive device to set
It is placed on kart, to solve the problem of horizontal reduction gearbox volume is big, weight is big on existing kart, what reduction was installed and safeguarded
Difficulty and cost.
Meanwhile, it can replace chain gear transmission using planet gear reducing mechanism, axletree is directly driven by gear frame 700, improve
The efficiency of motor.
Embodiment 2
As shown in figure 3, in the present embodiment, proposing a kind of drive device, including planet gear reducing mechanism and power source
1100。
Planet gear reducing mechanism, including upper end cover 100 and bottom end cover 200, it is fixed between upper end cover 100 and bottom end cover 200
It is provided with gear ring 300；
The inner rotation of gear ring 300 is provided with sun gear 400, wherein, the axial line of gear ring 300 and the axle of sun gear 400
Heart line is overlapped；
Hollow actuating shaft 1000, the axial line of hollow actuating shaft 1000 and sun gear 400 are fixedly installed on sun gear 400
Collinearly；
Rotated between sun gear 400 and gear ring 300 and be provided with fixed mount 500；
Planetary gear 600 is fixedly installed on fixed mount 500, wherein, sun gear 400 and gear ring 300 are nibbled with planetary gear 600
Close；
Gear frame 700 is fixedly installed on planetary gear 600；
Gear frame 700 is rotated with upper end cover 100 and is connected.
Wherein, power source 1100 drives hollow actuating shaft 1000 to rotate, and rotating speed is transmitted and dynamic using planet gear reducing mechanism
Power.
Power source 1100 can select motor, engine etc..
The drive device can be applied to the electric car or oily motor-car of axle device without differential driving.
It will be appreciated by those skilled in the art that accompanying drawing is a schematic diagram for being preferable to carry out scene, module in accompanying drawing or
Flow is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in device in implement scene can be described according to implement scene into
Row is distributed in the device of implement scene, can also carry out one or more dresses that respective change is disposed other than this implement scene
In putting.The module of above-mentioned implement scene can be merged into a module, can also be further split into multiple submodule.
Above-described embodiment sequence number is for illustration only, and the quality of implement scene is not represented.
Disclosed above is only several specific implementation scenes of the present invention, and still, the present invention is not limited to this, Ren Heben
What the technical staff in field can think change should all fall into protection scope of the present invention.
Claims (10)
1. a kind of planet gear reducing mechanism, it is characterised in that including upper end cover and bottom end cover, the upper end cover and the bottom end cover
Between be fixedly installed gear ring；
The inner rotation of the gear ring is provided with the sun gear driven by exterior power, wherein, the axial line of the gear ring and institute
The axial line for stating sun gear is overlapped；
Hollow actuating shaft is fixedly installed on the sun gear, the hollow actuating shaft is conllinear with the axial line of the sun gear；
Rotated between the sun gear and the gear ring and be provided with fixed mount；
Planetary gear is fixedly installed on the fixed mount, wherein, the sun gear and the gear ring are engaged with the planetary gear；
Gear frame is fixedly installed on the planetary gear；
The gear frame is rotated with the upper end cover and is connected.
2. planet gear reducing mechanism according to claim 1, it is characterised in that the planetary gear has multiple, and on institute
State the axial line annular array distribution of sun gear.
3. planet gear reducing mechanism according to claim 1, it is characterised in that between the gear frame and the planetary gear
Stud is provided with, is fixedly connected with the gear frame with the planetary gear by the stud；
The stud is fixedly connected through the planetary gear with the fixed mount.
4. planet gear reducing mechanism according to claim 1, it is characterised in that be provided with flange on the gear frame；
Through hole is provided with the upper end cover；
The flange is rotated with the through hole and is connected.
5. planet gear reducing mechanism according to claim 4, it is characterised in that set between the flange and the through hole
There is bearing.
6. a kind of drive device, it is characterised in that including planet gear reducing mechanism；
Wherein, the planet gear reducing mechanism, including upper end cover and bottom end cover, it is fixed between the upper end cover and the bottom end cover
It is provided with gear ring；
The inner rotation of the gear ring is provided with sun gear, wherein, the axial line of the axial line of the gear ring and the sun gear
Overlap；
Hollow actuating shaft is fixedly installed on the sun gear, the hollow actuating shaft is conllinear with the axial line of the sun gear；
Rotated between the sun gear and the gear ring and be provided with fixed mount；
Planetary gear is fixedly installed on the fixed mount, wherein, the sun gear and the gear ring are engaged with the planetary gear；
Gear frame is fixedly installed on the planetary gear；
The gear frame is rotated with the upper end cover and is connected；
The drive device also includes the power source for being used to drive the hollow actuating shaft to rotate.
7. drive device according to claim 6, it is characterised in that the planetary gear has multiple, and on the sun
The axial line annular array distribution of wheel.
8. drive device according to claim 6, it is characterised in that be provided between the gear frame and the planetary gear
The gear frame, is fixedly connected by stud by the stud with the planetary gear；
The stud is fixedly connected through the planetary gear with the fixed mount.
9. drive device according to claim 6, it is characterised in that be provided with flange on the gear frame；
Through hole is provided with the upper end cover；
The flange is rotated with the through hole and is connected.
10. drive device according to claim 9, it is characterised in that be provided with axle between the flange and the through hole
Hold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710644811.9A CN107191551A (en) | 2017-08-01 | 2017-08-01 | A kind of planet gear reducing mechanism and drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710644811.9A CN107191551A (en) | 2017-08-01 | 2017-08-01 | A kind of planet gear reducing mechanism and drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107191551A true CN107191551A (en) | 2017-09-22 |
Family
ID=59885009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710644811.9A Pending CN107191551A (en) | 2017-08-01 | 2017-08-01 | A kind of planet gear reducing mechanism and drive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107191551A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343970A (en) * | 2020-10-12 | 2021-02-09 | 银川威力传动技术股份有限公司 | Compact wind power speed reducer |
| CN114135650A (en) * | 2021-12-09 | 2022-03-04 | 广州市岳中数字科技有限公司 | Speed reducer capable of passing wire |
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| US20100081537A1 (en) * | 2008-09-30 | 2010-04-01 | Mazda Motor Corporation | Automatic transmission and adjusting method of gap in axial direction of automatic transmission |
| CN102678845A (en) * | 2011-03-05 | 2012-09-19 | 金碧波 | Transmission mechanism of hub drive automatic transmission motor of electric vehicle |
| CN202827204U (en) * | 2012-09-04 | 2013-03-27 | 上海延锋江森座椅有限公司 | Adjusting device of automobile seat electric angle adjustor |
| CN105114536A (en) * | 2015-06-26 | 2015-12-02 | 深圳红龙机电五金有限公司 | Robot or robot arm joint planetary transmission reducer |
| CN206943338U (en) * | 2017-08-01 | 2018-01-30 | 上海昂富新能源设备有限公司 | A kind of planet gear reducing mechanism and drive device |
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2017
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100081537A1 (en) * | 2008-09-30 | 2010-04-01 | Mazda Motor Corporation | Automatic transmission and adjusting method of gap in axial direction of automatic transmission |
| CN102678845A (en) * | 2011-03-05 | 2012-09-19 | 金碧波 | Transmission mechanism of hub drive automatic transmission motor of electric vehicle |
| CN202827204U (en) * | 2012-09-04 | 2013-03-27 | 上海延锋江森座椅有限公司 | Adjusting device of automobile seat electric angle adjustor |
| CN105114536A (en) * | 2015-06-26 | 2015-12-02 | 深圳红龙机电五金有限公司 | Robot or robot arm joint planetary transmission reducer |
| CN206943338U (en) * | 2017-08-01 | 2018-01-30 | 上海昂富新能源设备有限公司 | A kind of planet gear reducing mechanism and drive device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343970A (en) * | 2020-10-12 | 2021-02-09 | 银川威力传动技术股份有限公司 | Compact wind power speed reducer |
| CN112343970B (en) * | 2020-10-12 | 2021-11-09 | 银川威力传动技术股份有限公司 | Compact wind power speed reducer |
| CN114135650A (en) * | 2021-12-09 | 2022-03-04 | 广州市岳中数字科技有限公司 | Speed reducer capable of passing wire |
| CN114135650B (en) * | 2021-12-09 | 2023-10-03 | 广州市岳中数字科技有限公司 | Speed reducer capable of passing wire |
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