CN207621270U - Planetary reduction gear and electric vehicle - Google Patents
Planetary reduction gear and electric vehicle Download PDFInfo
- Publication number
- CN207621270U CN207621270U CN201721829658.9U CN201721829658U CN207621270U CN 207621270 U CN207621270 U CN 207621270U CN 201721829658 U CN201721829658 U CN 201721829658U CN 207621270 U CN207621270 U CN 207621270U
- Authority
- CN
- China
- Prior art keywords
- gear
- planetary
- planet carrier
- planetary gear
- planetary reduction
- 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.)
- Active
Links
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model discloses planetary reduction gear and electric vehicles, are related to deceleration mechanism technical field.Shell, the input shaft being connect with motor, transmission component and output shaft, wherein, transmission component includes bull gear, sun gear, planetary gear, planet wheel spindle, planet carrier, and center ring is equipped between planetary gear and planet wheel spindle, planet carrier is equipped with planet carrier internal spline, and output shaft is equipped with output shaft internal spline；Input shaft is transversely mounted in shell；Sun gear is mounted on input shaft, and sun gear is engaged with planetary gear, and planetary gear is engaged with bull gear, and planetary gear is connect with planet wheel spindle, and planet wheel spindle is connect with planet carrier, and planet carrier internal spline is connect with output shaft internal spline so that planet carrier is connected with exporting axis；Center ring is rotated with planetary gear with same angular speed, and the radial clearance that can form oil lamella is equipped between center ring and planetary gear；It is good that the planetary reduction gear is driven effect.
Description
Technical field
The utility model is related to the mechanism technical fields, especially planetary reduction gear and electric vehicle of slowing down.
Background technology
Retarder is that matching rotating speed and driving torque are played between prime mover and working machine or prime mover and executing agency
Effect, retarder is a kind of relatively accurate machinery, and the purpose using it is to reduce rotating speed, increases torque；According to gear stage
Number difference can be divided into single-stage and multi-stage speed reducer；Cylinder gear speed reducer can be divided into according to the shape of gear, conical gear slows down
Device and circular cone-Cylinder Gear running wheel retarder；Arrangement form according to transmission can be to be divided into expansion retarder, shunting deceleration again
Device and with into shaft type retarder；Wherein, planetary reduction gear is one kind in retarder, is a kind of power drive mechanism, main
It to utilize the speed of gear that the winding number of motor is decelerated to desired winding number, and obtain larger torque, small, weight
Gently, bearing capacity is high, service life is long, smooth running, with the private characteristic of power dividing, multi-tooth meshing, is suitable for lifting
The industrial departments such as transport, engineering machinery, metallurgy, mine, petrochemical industry, building machinery, medical machinery, automobile, electric vehicle；But it is existing
There are most of planetary reduction gears unreasonable due to designing, causes transmission effect undesirable.
Utility model content
The purpose of this utility model is to provide planetary reduction gear and electric vehicle, it is good which is driven effect.
To achieve the above object, the utility model provides following technical scheme：
One side according to the present utility model provides planetary reduction gear, shell, the input shaft being connect with motor, transmission group
Part and output shaft, wherein the transmission component includes bull gear, sun gear, planetary gear, planet wheel spindle, planet carrier；
The input shaft is mounted in the shell；The sun gear is mounted on the input shaft, the sun gear and institute
Planetary gear engagement is stated, the planetary gear is engaged with the bull gear, and the planetary gear is connect with the planet wheel spindle, the planet
Wheel shaft is connect with the planet carrier, and the planet carrier is connected to the output shaft.
Further, the shell includes left shell and right shell body；
The bull gear is between the left shell and the right shell body, and the left shell and the right shell body
It is spirally connected respectively with the bull gear.
Further, the planetary reduction gear further includes planet wheel bearing and output end bearing；
The planetary gear is installed on the shell by the planet wheel bearing, and the planet carrier passes through the output end axis
It holds and is mounted on the shell.
Further, center ring, the center ring and the planet are equipped between the planetary gear and the planet wheel spindle
Wheel is rotated with same angular speed, and the radial clearance that can form oil lamella is equipped between the center ring and the planetary gear；Its
In, the center ring includes ring body, the end of the ring body radially extend to be formed for the sun gear and described big
The engaging section of gear ring engagement.
Further, the planetary gear includes matrix and the gear part that is arranged on described matrix peripheral surface.
Further, bearing hole is offered in described matrix, the both sides of described matrix are outward extended with round platform, the circle
The big end of platform offers several drainage troughs close to described matrix, the end face outside of the round platform, and the drainage trough extends to described
The end face outside of the peripheral surface of matrix, the round platform offers annular oil trap, is offered on the peripheral surface of described matrix several
First conduction hole offers the second conduction hole in the annular oil trap, and first conduction hole connects with second conduction hole
Logical, the inner ring wall of the annular oil trap inwardly opens up jagged, and the notch is connected to the bearing hole.
Further, between the bearing hole and the end face outside of the round platform be equipped with bellmouth, the bellmouth it is big
End face outside of the end close to the round platform.
Further, the planet carrier includes planet carrier body and axis pin；
The axis pin is mounted on the planet carrier body, and the planetary gear is rotatably arranged on institute by the planet wheel spindle
State axis pin.
Further, the planet carrier body both ends of the surface radially offer sliding slot, and the pin slide is arranged in institute
It states in sliding slot, the both ends of the axis pin are both provided with sliding block, and needle roller is equipped between the sliding block and the sliding slot, the needle roller
The mutual spatial intersecting of axis of axis and the planet carrier body is vertically arranged；
Spring is equipped between the sliding block and the sliding slot.
Another aspect according to the present utility model provides electric vehicle, including the planetary reduction gear that above-mentioned technical proposal provides.
Compared with prior art, the beneficial effects of the utility model are：
Planetary reduction gear according to the present utility model, shell, the input shaft being connect with motor, transmission component and output
Axis, wherein the transmission component includes bull gear, sun gear, planetary gear, planet wheel spindle, planet carrier；The input shaft is mounted on
In the shell；The sun gear is mounted on the input shaft, and the sun gear engages with the planetary gear, the planetary gear and
The bull gear engagement, the planetary gear are connect with the planet wheel spindle, and the planet wheel spindle is connect with the planet carrier, described
Planet carrier is connected to the output shaft；The planetary reduction gear is reasonable in design compact, is connected with output shaft by planet carrier,
Drive output shaft rotation, transmission effect good under the drive of planetary gear.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram for the planetary reduction gear that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram of planetary gear in the planetary reduction gear that the utility model embodiment provides；
Fig. 3 is the structural schematic diagram of planet carrier in the planetary reduction gear that the utility model embodiment provides；
Fig. 4 is sectional drawings of the Fig. 3 at A.
Icon：10- shells；101- left shells；102- right shell bodies；20- input shafts；30- transmission components；301- bull gears；
302- sun gears；303- planetary gears；3031- matrixes；3032- gear parts；3033- bearing holes；3034- round platforms；3035- is drained
Slot；3036- annular oil traps；The first conduction holes of 3037-；The second conduction holes of 3038-；3039- notches；3040- bellmouths；304-
Planet wheel spindle；305- planet carriers；3051- planet carrier bodies；3052- axis pins；3053- sliding slots；3054- sliding blocks；3055- springs；
401- exports end bearing.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Planetary reduction gear optional factor according to the present utility model is more.Claim according to the present utility model can group
Multiple embodiments are closed out, therefore the technical solution that claim combinations according to the present utility model go out is in the utility model
Within protection domain.The utility model water bottle is further described through below in conjunction with specific embodiments.
Fig. 1 is the structural schematic diagram for the planetary reduction gear that the utility model embodiment provides；Fig. 2 is implemented for the utility model
The structural schematic diagram of planetary gear in the planetary reduction gear that example provides；Fig. 3 is the planetary reduction gear that the utility model embodiment provides
The structural schematic diagram of middle planet carrier；Fig. 4 is sectional drawings of the Fig. 3 at A.
Embodiment
One side according to the present utility model provides planetary reduction gear, as shown in Figure 1 and Figure 2, shell 10 and electricity
Machine connection input shaft 20, transmission component 30 and output shaft, wherein transmission component 30 include bull gear 301, sun gear 302,
Planetary gear 303, planet wheel spindle 304, planet carrier 305 are equipped with center ring between planetary gear 303 and planet wheel spindle 304；
Input shaft 20 is mounted in shell 10；Sun gear 302 is mounted on input shaft 20, and sun gear 302 is nibbled with planetary gear 303
It closes, planetary gear 303 is engaged with bull gear 301, and planetary gear 303 is connect with planet wheel spindle 304, planet wheel spindle 304 and planet carrier 305
Connection, planet carrier 305 are connected with exporting axis.
Planetary reduction gear according to the present utility model, the planetary reduction gear is reasonable in design compact, passes through planet carrier 305
It is connected with output shaft, drives output shaft rotation, transmission effect good under the drive of planetary gear 303；
It should be noted that planetary reduction gear can be the planetary reduction gear on electric vehicle；
Wherein, shell 10 includes by left shell 101 and right shell body 102, left shell 101, right shell body 102 and bull gear
301 are bolted；Input shaft 20, planetary gear 303 and planet carrier 305 are equipped in shell 10, input shaft 20 drives for accepting
The torque of dynamic motor output, planetary gear 303 simultaneously on input shaft 20 sun gear 302 and bull gear 301 be engaged, pass
Torque delivery；It is equipped with positioning spigot on left shell 101 and right shell body 102, is attached with motor and output end retarder；Shell
The bearing hole and external connection seam allowance clamped one time that bearing is installed on body 10 are processed；Input shaft 20 is by being fixed on left shell 101
On input terminal oil sealing sealing lubricating oil, planet carrier 305 is scheduled on the output end oil sealing sealing lubricating oil on right shell body 102.
According to a kind of embodiment of the utility model planetary reduction gear, as shown in Fig. 2, center ring and planetary gear 303 with
Same angular speed rotation, and the radial clearance that can form oil lamella is equipped between center ring and planetary gear 303.
Center ring includes ring body, and the end of ring body radially extends to be formed for nibbling with sun gear 302 and bull gear 301
The engaging section of conjunction.
Planetary reduction gear according to the present utility model, existing planetary reduction gear are missed due to manufacture mismachining tolerance and assembly
Official post obtains planetary gear 303 and easy tos produce the phenomenon that load is unevenly distributed, to which planetary gear 303 can be made in the running in Axial-running Out
It now deflects, generates vibration and noise, the service life of planetary reduction gear is reduced, for the planetary reduction gear, in planetary gear
Center ring is added between 303 and planet wheel spindle 304, since center ring and planetary gear 303 are rotated with same angular speed, and center
There is larger fit clearance between ring and planetary gear 303, i.e. radial clearance, fluid successively enters the gap when operating,
Radial clearance can generate the squeezing action of oil the sucking of oil and moving surface on the oil lamella of certain elasticity, the bullet of oil lamella
Property deformation so that planetary gear 303 floats in a certain range, can realize planet automatically when 303 stand under load of planetary gear is uneven
Uniform load is distributed between wheel 303, to reduce impact, is reduced noise, is extended the service life of planetary reduction gear；
Ring body is in annular shape, end i.e. its axial both ends of ring body, wherein centre bore of one section of portion beyond planetary gear 303 is simultaneously
Extend to the gear teeth direction of planetary gear 303, it is in boss-shaped to make center ring；The periphery of engaging section be equipped with engaging tooth, the engaging tooth with
The gear teeth of planetary gear 303 are corresponding, and center ring is made to be engaged simultaneously with bull gear 301 and sun gear 302, to ensure planetary gear 303
It rotates with same direction, same rotating speed with center ring, and bears the identical load in direction, stablize the position of center ring, eliminate
The relative motion of planetary gear 303 and center ring improves the effect of load balancing mechanism and job stability of planetary gear train.
According to a kind of embodiment of the utility model planetary reduction gear, it is additionally provided in ring body for keeping planetary gear 303
The blocking portion of axial gap between engaging section.
Planetary reduction gear according to the present utility model, blocking portion can be such that engaging section part axial projection is formed, preferably
It is located at the junction of engaging section and ring body；Ring body, engaging section, blocking portion are integrally formed, and the structure for being conducive to improve center ring is strong
Degree；The presence of axial gap can ensure that radial clearance acts on the sucking of oil, while reduce between planetary gear 303 and center ring
Friction loss, prolong the service life.
According to a kind of embodiment of the utility model planetary reduction gear, as shown in figure 3, planetary gear 303 includes matrix
3031 and the gear part 3032 that is arranged on 3031 peripheral surface of matrix.
According to a kind of embodiment of the utility model planetary reduction gear, bearing hole 3033, base are offered on matrix 3031
The both sides of body 3031 are outward extended with round platform 3034, and the big end of round platform 3034 is close to matrix 3031, the outboard end of round platform 3034
Face offers several drainage troughs 3035, and drainage trough 3035 extends to the peripheral surface of matrix 3031, and the end face outside of round platform 3034 is opened
Equipped with annular oil trap 3036, several first conduction holes 3037, annular oil trap 3036 are offered on the peripheral surface of matrix 3031
Inside offer the second conduction hole 3038, the first conduction hole 3037 is connected to the second conduction hole 3038, annular oil trap 3036 it is interior
Circle wall inwardly opens up jagged 3039, and notch 3039 is connected to bearing hole 3033.
Planetary reduction gear according to the present utility model, at runtime, lubricating oil is not easy to flow into planetary gear existing reduction device
Between 303 and the contact surface of planet carrier 305, the needle roller in planet wheel spindle bearing bore can also lack lubricating oil accordingly, lead to planet
The frictional resistance of wheel 303 is larger, and transmission efficiency is relatively low, and the needle roller service life of planetary gear 303 and its inside is low, subtracts in the planet
In fast device, planetary gear 303 is drained the lubricating oil on 3031 peripheral surface of matrix by the setting of round platform 3034 and drainage trough 3035
To between 305 medial surface of 303 end face of planetary gear and planet carrier, it is ensured that 303 two end faces of planetary gear and 305 medial surface of planet carrier it
Between lubrication, the setting of the first conduction hole 3037, the second conduction hole 3038 and notch 3039, it is ensured that needle roller in bearing hole 3033
Lubrication, solve the problems, such as that lubricating oil is not easily accessible between planetary gear 303 and the contact surface of planet carrier 305, reduce planet
Frictional resistance between wheel 303 and planet carrier 305, provides transmission efficiency, also reduces the calorific value of the planetary reduction gear；
It should be noted that planetary gear 303 rotation when can by the oil stream of gear part 3032 matrix 3031 peripheral surface,
The conical surface of round platform 3034 can be used in order to the end face outside that the oil stream on 3031 peripheral surface of matrix waits for round platform 3034, drainage trough 3035
Drain into the end face outside of round platform 3034 in reinforcing the oil on 3031 peripheral surface of matrix, it is ensured that two end faces of planetary gear 303 with
Lubrication between 305 medial surface of planet carrier；Lubricating oil on 3031 peripheral surface of matrix can also by the first conduction hole 3037 and
Second conduction hole 3038 reaches annular oil trap 3036, and the lubricating oil in annular oil trap 3036 flows into bearing hole through notch 3039
3033, lubrication quill, wherein the setting of annular oil trap 3036, on the one hand can store a certain amount of lubricating oil, on the other hand may be used
To collect certain grease, grease is prevented to be stuck between planetary gear 303 and planet carrier 305.
According to a kind of embodiment of the utility model planetary reduction gear, the end face outside of bearing hole 3033 and round platform 3034
Between be equipped with bellmouth 3040, the end face outside of the big end of bellmouth 3040 close to round platform 3034.
Planetary reduction gear according to the present utility model flows into bearing hole for the ease of the lubricating oil in annular oil trap 3036
Lubrication quill in 3033 is then equipped with bellmouth 3040, and taper between bearing hole 3033 and the end face outside of round platform 3034
End face outside of the big end in hole 3040 close to round platform 3034.
According to a kind of embodiment of the utility model planetary reduction gear, as shown in figure 4, planet carrier 305 includes planet carrier
Ontology 3051 and axis pin 3052；
Axis pin 3052 is mounted on planet carrier body 3051, and planetary gear 303 is rotatably arranged on axis pin 3052 by bearing.
According to a kind of embodiment of the utility model planetary reduction gear, 3051 both ends of the surface of planet carrier body are radially opened
Equipped with sliding slot 3053, axis pin 3052 is slidably arranged in sliding slot 3053, and the both ends of axis pin 3052 are both provided with sliding block 3054, sliding block
Needle roller is equipped between 3054 and sliding slot 3053, the axis of needle roller is vertical with the mutual spatial intersecting of the axis of planet carrier body 3051 to be set
It sets.
According to a kind of embodiment of the utility model planetary reduction gear, spring is equipped between sliding block 3054 and sliding slot 3053
3055。
Planetary reduction gear according to the present utility model, when existing planet carrier 305 is run, planetary gear 303 can constantly
Move back and forth in sliding slot 3053, face rubs when due to 304 both ends of planet wheel spindle and sliding slot 3053, leads to 303 both ends of planetary gear
Serious wear reduces the service life of planetary gear 303, affects the stable operation of planetary reduction gear, in the planetary reduction gear
In, by opening up sliding slot 3053, and the sliding in sliding slot 3053 by the setting of axis pin 3052 on planet carrier body 3051, to make
Obtaining planetary gear 303 can float along planet carrier body 3051, by spring 3055 to the sliding block 3054 at 3052 both ends of axis pin
It is supported, while there is the shock absorbing effect of one end to sliding block 3054, ensure 303 stable and reliable operation of planetary gear, simultaneously
Needle roller is provided between sliding block 3054 and sliding slot 3053 so that planetary gear 303 reduces sliding block 3054 and sliding slot 3053 when floating
Between friction, while it is reliable and stable to ensure that planetary gear 303 floats, since planetary gear 303 has certain floatability, Neng Goujun
The load on planetary gear 303 is carried on a shoulder pole, ensures 303 stable and reliable operation of planetary gear, avoids the problem of planet wheel spindle 304 is worn.
According to a kind of embodiment of the utility model planetary reduction gear, planetary gear 303 is rotatably arranged on pin by bearing
Axis 3052 offers oil duct in planet carrier body 3051, and one end of oil duct is arranged on the peripheral surface of planet carrier body 3051, oil
The other end in road is separately positioned at bearing and at needle roller.
Planetary reduction gear according to the present utility model, by offering oil duct on planet carrier body 3051, in planetary gear
303 it is out of service when, oil in planetary reduction gear just inwardly flowing positioned at one end of 3051 peripheral surface of planet carrier body from oil duct,
It is flowed to by oil duct at needle roller and is lubricated at bearing respectively, ensure 303 stable and reliable operation of planetary gear.
According to a kind of embodiment of the utility model planetary reduction gear, planetary reduction gear further include planet wheel bearing and
Export end bearing 401；
Planetary gear 303 is installed on shell 10 by planet wheel bearing, and planet carrier 305 is mounted on shell 10 by output end.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although utility model is described in detail with reference to foregoing embodiments, those skilled in the art should manage
Solution：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole skills
Art feature carries out equivalent replacement；And these modifications or replacements, it does not separate the essence of the corresponding technical solution the utility model
The range of each embodiment technical solution.
Claims (10)
1. planetary reduction gear, which is characterized in that shell, the input shaft being connect with motor, transmission component and output shaft, wherein
The transmission component includes bull gear, sun gear, planetary gear, planet wheel spindle, planet carrier；
The input shaft is mounted in the shell；The sun gear is mounted on the input shaft, the sun gear and the row
Star-wheel engages, and the planetary gear is engaged with the bull gear, and the planetary gear is connect with the planet wheel spindle, the planet wheel spindle
It is connect with the planet carrier, the planet carrier is connected to the output shaft.
2. planetary reduction gear according to claim 1, which is characterized in that the shell includes left shell and right shell body；
The bull gear is between the left shell and the right shell body, and the left shell and right shell body difference
It is spirally connected with the bull gear.
3. planetary reduction gear according to claim 1, which is characterized in that the planetary reduction gear further includes planet wheel bearing
And output end bearing；
The planetary gear is installed on the planet wheel spindle by the planet wheel bearing, and the planet carrier passes through the output end axis
It holds and is mounted on the shell.
4. planetary reduction gear according to claim 1, which is characterized in that set between the planetary gear and the planet wheel spindle
There are center ring, the center ring to be rotated with same angular speed with the planetary gear, and between the center ring and the planetary gear
Equipped with the radial clearance that can form oil lamella；Wherein,
The center ring includes ring body, the end of the ring body radially extend to be formed for the sun gear and described big
The engaging section of gear ring engagement.
5. planetary reduction gear according to claim 1, which is characterized in that the planetary gear includes matrix and is arranged in institute
State the gear part on matrix peripheral surface.
6. planetary reduction gear according to claim 5, which is characterized in that offer bearing hole, the base in described matrix
The both sides of body are outward extended with round platform, and close to described matrix, the end face outside of the round platform offers the big end of the round platform
Several drainage troughs, the drainage trough extend to the peripheral surface of described matrix, and the end face outside of the round platform offers annular oil-collecting
Slot offers several first conduction holes on the peripheral surface of described matrix, the second conduction hole, institute is offered in the annular oil trap
The first conduction hole is stated to be connected to second conduction hole, it is described annular oil trap inner ring wall inwardly open up it is jagged, it is described lack
Mouth is connected to the bearing hole.
7. planetary reduction gear according to claim 6, which is characterized in that the end face outside of the bearing hole and the round platform
Between be equipped with bellmouth, the end face outside of the big end of the bellmouth close to the round platform.
8. planetary reduction gear according to claim 1, which is characterized in that the planet carrier includes planet carrier body and pin
Axis；
The axis pin is mounted on the planet carrier body, and the planetary gear is rotatably arranged on the pin by the planet wheel spindle
Axis.
9. planetary reduction gear according to claim 8, which is characterized in that the planet carrier body both ends of the surface are radially opened
Equipped with sliding slot, the pin slide is arranged in the sliding slot, and the both ends of the axis pin are both provided with sliding block, the sliding block and institute
It states and is equipped with needle roller between sliding slot, the axis of the needle roller and the mutual spatial intersecting of axis of the planet carrier body are vertically arranged；
Spring is equipped between the sliding block and the sliding slot.
10. electric vehicle, which is characterized in that including claim 1-9 any one of them planetary reduction gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721829658.9U CN207621270U (en) | 2017-12-22 | 2017-12-22 | Planetary reduction gear and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721829658.9U CN207621270U (en) | 2017-12-22 | 2017-12-22 | Planetary reduction gear and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207621270U true CN207621270U (en) | 2018-07-17 |
Family
ID=62829943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721829658.9U Active CN207621270U (en) | 2017-12-22 | 2017-12-22 | Planetary reduction gear and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207621270U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294381A (en) * | 2021-12-17 | 2022-04-08 | 东风汽车零部件(集团)有限公司刃量具分公司 | Planetary reducer |
| CN115199708A (en) * | 2022-09-15 | 2022-10-18 | 成都飞机工业（集团）有限责任公司 | Planetary reducer structure of aircraft actuator and assembly method thereof |
-
2017
- 2017-12-22 CN CN201721829658.9U patent/CN207621270U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294381A (en) * | 2021-12-17 | 2022-04-08 | 东风汽车零部件(集团)有限公司刃量具分公司 | Planetary reducer |
| CN115199708A (en) * | 2022-09-15 | 2022-10-18 | 成都飞机工业（集团）有限责任公司 | Planetary reducer structure of aircraft actuator and assembly method thereof |
| CN115199708B (en) * | 2022-09-15 | 2023-01-10 | 成都飞机工业（集团）有限责任公司 | Planetary reducer structure of aircraft actuator and assembly method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202082374U (en) | Planetary carrier bearing lubrication structure of extra large multi-diversion planetary gearbox | |
| CN110107679A (en) | Speed changer and its case of transmission | |
| CN207621270U (en) | Planetary reduction gear and electric vehicle | |
| CN102782370A (en) | Swiveling device for construction machinery | |
| CN207687266U (en) | A kind of novel two-way gear reduction unit | |
| CN202646648U (en) | Transfer case and engineering machinery | |
| CN209430737U (en) | A kind of new energy pure electric vehicle reduction gearbox lubricating system | |
| CN109372953B (en) | Planetary gear motor with bidirectional output | |
| CN204755873U (en) | Worm gear swing drives device | |
| CN103075500B (en) | The monorail crane speed reducer of clockwise and anticlockwise Castor Oil | |
| CN108286603B (en) | Upper transmission case of excavator | |
| CN103089931B (en) | Non-maintaining vertical-type planetary gear reduction unit | |
| CN203809998U (en) | Running machine lubricating structure | |
| CN109578562A (en) | The lubricant oil road structure of wind turbine gearbox | |
| CN201909007U (en) | Concentrated differential speed reducer with good lubrication effect | |
| CN212455454U (en) | Electric drive axle and vehicle | |
| CN108757841A (en) | Turntable special reduction gear | |
| CN209038931U (en) | Electric block double-speed motor driving device at a slow speed | |
| CN209671586U (en) | The lubricant oil road structure of wind turbine gearbox | |
| CN114684732B (en) | Winch speed reducer and method thereof | |
| CN204852293U (en) | Motor drive gearbox and car | |
| CN209012338U (en) | Parallel axle speed reducing machine | |
| CN219263145U (en) | Primary precision planetary reducer with special output shaft | |
| CN220706374U (en) | Speed reducer bearing lubricating system | |
| CN211009762U (en) | High leakproofness planetary gear speed reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |