CN106936263A - Reductor with motor - Google Patents
Reductor with motor Download PDFInfo
- Publication number
- CN106936263A CN106936263A CN201511032250.4A CN201511032250A CN106936263A CN 106936263 A CN106936263 A CN 106936263A CN 201511032250 A CN201511032250 A CN 201511032250A CN 106936263 A CN106936263 A CN 106936263A
- Authority
- CN
- China
- Prior art keywords
- motor
- reductor
- oil sealing
- flange
- output shaft
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
Abstract
The present invention provides a kind of reductor with motor.Its problem to be solved is, there is provided a kind of to make the reductor with motor of reductor-motor mechanism miniaturization and favorable sealing property.The reductor with motor includes motor, flange and reductor, the flange is between the motor and the reductor, the motor is coupled together with the reductor using the flange, the output shaft of the motor is engaged through the flange with the primary speed-down gear of the reductor, and the first oil sealing and the second oil sealing are provided with the output shaft of the motor.Using technical scheme, reductor-motor mechanism miniaturization and favorable sealing property can be made.
Description
Technical field
The present invention relates to a kind of reductor with motor.
Background technology
It is known to a kind of matching rotating speed that risen between prime mover and working machine or executing agency with transmission torque
Effect reductor, specifically, it is changed using the gearratio of gear to speed, by motor,
The rotating speed of internal combustion engine or other dynamic retardings for running at high speed needed for, and obtain larger torque.As
One, existed in the past the output shaft of motor was connected with the input gear of reductor using shaft coupling, from
And the mode that the power of motor is transmitted to reductor.
As the application field of reductor is more and more extensive, occur that reductor-horse is installed in some cases
Up to the situation that the space of mechanism is restricted, the requirement of reductor-motor mechanism miniaturization is then expected
It is more and more urgent.
Further, since reductor is generally realized slowing down using the transmission of gear, therefore moisten in reductor
Lubricating oil is essential.Thus, reductor and motor are matched use when, it is necessary to avoid in reductor
Lubricating oil along motor output shaft into motor inside and to motor cause damage.
The content of the invention
Problems to be solved by the invention
The present invention is put forward based on above-mentioned background, and reductor-horse is made its object is to provide one kind
Up to mechanism's miniaturization and the reductor with motor of favorable sealing property.
The scheme for solving problem
First technical scheme of the invention is to provide the reductor with motor as described below, and its feature exists
In, it includes motor, flange and reductor, the flange between the motor and the reductor it
Between, the motor is coupled together with the reductor using the flange, the output shaft of the motor is passed through
Wear the flange to be engaged with the primary speed-down gear of the reductor, on the output shaft of the motor
It is provided with the first oil sealing and the second oil sealing.
Using above-mentioned technical proposal, dual-seal can be utilized reliably to avoid the profit inside from reductor
Lubricating oil is entered into motor along output shaft.
Second technical scheme of the invention is, according to the reductor with motor of the first technical scheme, it is special
Levy and be, first oil sealing is located at the motor-side of the output shaft, second oil sealing is located at institute
The deceleration pusher side of output shaft is stated, the internal diameter of second oil sealing is less than the internal diameter of first oil sealing,
Or the external diameter of second oil sealing is less than the external diameter of first oil sealing, or second oil sealing
Internal diameter less than first oil sealing internal diameter, and second oil sealing external diameter less than described first oil
The external diameter of envelope.
Using above-mentioned technical proposal, the further small compact of structure is enabled to, and motor can be reduced
Output shaft frictional force for being brought of oil sealing when rotating.
3rd technical scheme of the invention is, according to the reductor with motor of the second technical scheme, it is special
Levy and be, first oil sealing and second oil sealing clip the end face of the motor-side of the flange
Ground is located at the both sides of the end face of the motor-side of the flange.
Using above-mentioned technical proposal, structure can be made small-sized and densification.
4th technical scheme of the invention is that any one in the first~the 3rd technical scheme is with motor
Reductor, it is characterised in that the output shaft is included positioned at the large-diameter portion of the motor-side and big with this
Footpath portion is continuously located at the deceleration pusher side and external diameter is less than the minor diameter part of the large-diameter portion, the minor diameter part
With the input gear portion for being meshed with the primary speed-down gear.
Using above-mentioned technical proposal, it is capable of the overall length diametrically of reductor of significantly shortened belt motor
Degree, realizes miniaturization, to cope with the operating mode of limited working space.
5th technical scheme of the invention is to appoint the reductor with motor in the 4th technical scheme,
Characterized in that, first oil sealing and second oil sealing are located at the large-diameter portion.
Using above-mentioned technical proposal, oil sealing can be easily installed and make structure small-sized and densification.
6th technical scheme of the invention is that any one in the first~the 3rd technical scheme is with motor
Reductor, it is characterised in that the motor-side end face from the flange is to described in the output shaft
Distance and the motor-side end face from the flange to the reductor untill reductor side end face
Ratio of distances constant untill the reductor side end face of the primary speed-down gear is less than 1.2.
Using above-mentioned technical proposal, it can be ensured that the input gear portion of minor diameter part is as short as possible and diameter compared with
Greatly, and then the intensity of minor diameter part can be ensured while output shaft overall miniaturization is realized.
The effect of invention
Using technical scheme, using the teaching of the invention it is possible to provide one kind makes reductor-motor mechanism minimize and close
The good reductor with motor of sealing property.
Brief description of the drawings
Fig. 1 represents the stereogram of the reductor with motor of the invention.
Fig. 2 represents the sectional view of the major part of the reductor with motor of the invention.
Description of reference numerals
1st, the reductor with motor；2nd, motor；3rd, flange；4th, reductor；21st, shell；22、
Output shaft；23rd, large-diameter portion；24th, minor diameter part；25th, the 1st oil sealing；26th, the 2nd oil sealing；41st, one-level
Reduction gearing.
Specific embodiment
Hereinafter, the reductor with motor referring to the drawings to the application is illustrated.Fig. 1 represents the present invention
The reductor with motor stereogram.Fig. 2 represents the major part of the reductor with motor of the invention
Sectional view.
As shown in figure 1, the reductor 1 with motor mainly includes motor 2, flange 3 and reductor 3.
Motor 1 can use usually used motor, as long as the mechanical energy of output shaft can be converted electrical energy into,
Then its species, structure are not limited in any way.In this application, illustrated by taking servo motor as an example,
But those skilled in the art will be understood that it is only to illustrate, and be not intended to limit.Additionally, motor is this
One of application prime mover, as long as the power of rotation at a high speed can be provided to reductor, then has to it
Body structure and species are not also limited in any way.
Used as typical structure, motor 2 includes shell 21, stator, rotor, front shroud and back cover.Its
In, the structure of stator, rotor, front shroud and back cover is the generally known structure of those skilled in the art,
Diagram is omitted herein.Stator is made up of stator core and winding, for producing magnetic flux, magnetic conduction and branch
Brought forward back cover.Rotor is made up of rotor core, axle, armature winding and commutator, for ensureing and produces
Continuous electromagnetic torque, by the output mechanical energy of output shaft 22 shown in Fig. 2.Front shroud is used for back cover
Supporting rotor rotation and the assembly relation of fixed stator.
Flange 3 is used to match motor 2 with reductor 4 to be connected, as long as the effect can be realized, then to method
Blue 3 concrete structure is not limited in any way.The specific knot of the flange 3 in the present embodiment illustrated below
Structure, but those skilled in the art will be understood that it is only to illustrate, and be not intended to limit.
Flange 3 in the present embodiment is separated with compartment of terrain and is provided with bolt hole in substantially discoid in its periphery,
The boss portion 27 that the preceding hood shape with motor 2 prominent to side matches is provided with the central portion of flange 3,
The central through hole portion passed through for the output shaft 22 of motor 2 is provided with the center of boss portion.By motor 2 with subtract
During the matching connection of fast machine 4, the boss portion 27 of flange 3 and the front shroud of motor 2 are abutted against, by the defeated of motor 2
The screw rod of bolt 29 is passed through the flange portion of the front shroud of motor 2 through the through-hole section of flange 3 for shaft 22
Through hole 31 on 28 is screwed in the screw 30 set in the boss portion of flange 3, and by motor 2 and flange 3 it
Between couple together, by the shell of the side of the side opposite with the place side of motor 2 of flange 3 and reductor 4
Flange portion 5 abut against, the screw rod of bolt 32 is passed through into being screwed in located at reductor 4 of flange 3
Bolt hole 34 on shell and will be coupled together between flange 3 and reductor 4.Thus, will by flange 3
Motor 2 is coupled together with reductor 3.
Reductor 4 is changed using the gearratio of gear to speed, the high speed rotation that will be exported in motor 2
Required rotating speed is decelerated to, and obtains larger torque.Reductor 4 can use usually used reductor,
As long as rotating speed can be reduced and larger torque is exported, then its species, structure are not limited in any way.Make
It is typical structure, the planet-gear speed reducer that can illustrate, worm-gear speed reducer, cycloidal-pin wheel slow down
Machine etc., but those skilled in the art will be understood that it is only to illustrate, and be not intended to limit.
In the present embodiment, reductor 4 uses typical cycloidal planetary gear speed reducer, because its structure has been
As it is known to those skilled in the art that not elaborating herein.As shown in Fig. 2 reductor 4 includes conduct
The primary speed-down gear 41 of primary speed-down mechanism.It is connected motor 2 is matched with reductor 4 using flange 3
When, the output shaft 22 of motor 2 is mutually nibbled through the through-hole section of flange 3 with the primary speed-down gear 41 of reductor 4
Close, so as to the rotation of the high speed of motor 2 is input into reductor 4.
Hereinafter, the output shaft 22 to motor 2 is described in detail.Additionally, for convenience of description, by Fig. 2
In the side where reductor motor 2 and reductor 4 are assembled into one using flange 3 in the case of claim
It is front side, the place side of motor 2 is referred to as rear side.
As shown in Fig. 2 the output shaft 22 of motor 2 include positioned at the place side of motor 2 large-diameter portion 23 and with
Large-diameter portion 21 is mutually continuous and positioned at the minor diameter part 24 of the place side of reductor 4.
In the case where motor 2 and reductor 4 are assembled into one using flange 3, before large-diameter portion 23
Side is located at the position of side more forward than the back end surface of flange 3.It is equitant with flange 3 in large-diameter portion 23
The front and rear part at position is separately installed with the 1st oil sealing 25 and the 2nd oil sealing 26.Thereby, it is possible to using dual close
Envelope reliably avoids being entered into motor 2 along output shaft 22 from the lubricating oil inside reductor 4.1st oil
Set to the preferably front and rear back end surface for clipping flange 3 of the oil sealing 26 of envelope the 25 and the 2nd, so, it is possible to make knot
Structure is small-sized and densification.Additionally, it may further be preferable that small positioned at the internal diameter of the 1st oil sealing 25 of front side
In the internal diameter of the 2nd oil sealing 26 positioned at rear side, or the external diameter of the 1st oil sealing 25 positioned at front side is less than position
In the external diameter of the 2nd oil sealing 26 of rear side, or positioned at front side the 1st oil sealing 25 internal diameter less than after being located at
The internal diameter of the 2nd oil sealing 26 of side, and positioned at front side the 1st oil sealing 25 external diameter less than positioned at the of rear side
The external diameter of 2 oil sealings 26.Thereby, it is possible to cause the further small compact of structure, and motor 2 can be reduced
The frictional force brought of oil sealing when rotating of output shaft 22.
It should be noted that oil sealing shown in the present embodiment includes but is not limited to bone commonly used in the art
Frame oil sealing, as long as sealing lubricating oil can be played a part of, is not then limited in any way to its structure.
Minor diameter part 24 extends from large-diameter portion 23 to front side and its diameter is less than large-diameter portion 23.Thus, by horse
When being assembled up to 2 and flange 3 and reductor 4, in the output shaft 22 of motor 2 is passed through into flange 3
During heart through-hole section, the center that the minor diameter part 24 pairs of the output shaft 22 of motor 2 can be avoided to be arranged on flange 3 leads to
2nd oil sealing 26 of hole portion causes interference, and dual oil sealing can be installed on large-diameter portion 23.Minor diameter part 24
Leading section be provided with input gear portion so that using the primary speed-down tooth in input gear portion and reductor 4
Wheel 41 is meshed.The input gear portion can be independently arranged with the axle portion of minor diameter part 24, i.e., by by individually
The axle portion that the input gear part for processing is installed on minor diameter part 24 to form input gear in minor diameter part 24
Portion, it is also possible to input gear portion is directly processed in the axle portion of minor diameter part 24.Thereby, it is possible to significantly contract
The overall length diametrically of the reductor of short strip motor, realizes miniaturization, to cope with working space
Limited operating mode.Additionally, in the case where directly input gear is processed in the axle portion of minor diameter part 24,
Parts and manufacturing procedure can also be reduced and cost-effective.
Additionally, in the case where motor 2 and reductor 4 are assembled into one using flange 3, preferably will
From the back end surface of flange 3 to the anterior end surface of output shaft 22 apart from B and the rear side end from flange 3
Face to the anterior end surface of the primary speed-down gear 4 of reductor 4 apart from the ratio between B B/A be less than 1.2.
Input gear portion thereby, it is possible to ensure minor diameter part 24 is as short as possible and is relatively large in diameter, and then can be in reality
The intensity of minor diameter part 24 is ensured while the miniaturization of the existing entirety of output shaft 22.
Additionally, in the case where directly input gear is processed in the axle portion of minor diameter part 24, using logical
The hobboing cutter for often being used carries out Gear Processing to the axle portion of minor diameter part 24.Now, the external diameter in input gear portion
Less than the diameter of large-diameter portion 23.In such a situation it is preferred that the radius of addendum R of hobboing cutter is below 42mm.
It is true while thereby, it is possible to the withdrawing space for ensuring hobboing cutter with the transition portion of minor diameter part 24 in large-diameter portion 23
Protect the integral miniaturization of output shaft 22.
Concrete example of the invention has been described in detail above, but these are only illustrated, and are not to right
Claim is defined.In the technology described in claims, comprising to illustrated above specific
Example carries out the technical scheme after various modifications, change.Technical characteristic list illustrated by this specification or accompanying drawing
Technological applicability solely or by various combinations is played, claim when being not limited to application is remembered
The combination of load.In addition, this specification or the technology illustrated in accompanying drawing realize multiple technical purposes simultaneously, and
Realize that one of technical purpose inherently has technological applicability.
Claims (6)
1. a kind of reductor with motor, it is characterised in that
It includes motor, flange and reductor, and the flange is between the motor and the reductor
Between, the motor is coupled together with the reductor using the flange, the output of the motor
Axle is engaged through the flange with the primary speed-down gear of the reductor,
The first oil sealing and the second oil sealing are provided with the output shaft of the motor.
2. the reductor with motor according to claim 1, it is characterised in that
First oil sealing is located at the motor-side of the output shaft, and second oil sealing is located at described
The deceleration pusher side of output shaft,
The internal diameter of second oil sealing is less than the internal diameter of first oil sealing,
Or the external diameter of second oil sealing is less than the external diameter of first oil sealing,
Or the internal diameter of second oil sealing is less than the internal diameter of first oil sealing, and described second
External diameter of the external diameter of oil sealing less than first oil sealing.
3. the reductor with motor according to claim 2, it is characterised in that
First oil sealing and second oil sealing clip the end face ground of the motor-side of the flange
Positioned at the both sides of the end face of the motor-side of the flange.
4. the reductor with motor according to any one of claim 1 to 3, it is characterised in that
The output shaft includes continuously being located at institute positioned at the large-diameter portion of the motor-side and with the large-diameter portion
State the minor diameter part of deceleration pusher side and external diameter less than the large-diameter portion, the minor diameter part have be used for it is described
The input gear portion that primary speed-down gear is meshed.
5. the reductor with motor according to claim 4, it is characterised in that
First oil sealing and second oil sealing are located at the large-diameter portion.
6. the reductor with motor according to any one of claim 1 to 3, it is characterised in that
The motor-side end face from the flange is to the reductor side end face of the output shaft
Distance with from the flange the motor-side end face to the reductor the primary speed-down gear
The reductor side end face untill ratio of distances constant be less than 1.2.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511032250.4A CN106936263A (en) | 2015-12-31 | 2015-12-31 | Reductor with motor |
| JP2016246977A JP2017120126A (en) | 2015-12-31 | 2016-12-20 | Speed reducer with motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511032250.4A CN106936263A (en) | 2015-12-31 | 2015-12-31 | Reductor with motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106936263A true CN106936263A (en) | 2017-07-07 |
Family
ID=59443776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511032250.4A Pending CN106936263A (en) | 2015-12-31 | 2015-12-31 | Reductor with motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106936263A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107257179A (en) * | 2017-08-08 | 2017-10-17 | 中车株洲电力机车有限公司 | Gear case motor integral structure and the motor integrated driving oil channel structures of pinion stand |
| CN109236974A (en) * | 2018-10-28 | 2019-01-18 | 今峰精密机电（上海）有限公司 | A kind of motor with deceleration mechanism |
| CN110233541A (en) * | 2018-03-05 | 2019-09-13 | 住友重机械工业株式会社 | Speed reducer with motor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1143722A (en) * | 1995-08-18 | 1997-02-26 | 三菱电机株式会社 | Planetary gear reduction mechanism |
| US20030006084A1 (en) * | 2001-07-06 | 2003-01-09 | Kordel Antriebstechnik Gmbh | Single wheel driving mechanism |
| CN201282388Y (en) * | 2008-09-27 | 2009-07-29 | 三一重型装备有限公司 | Motor sealing device |
| CN101710760A (en) * | 2009-12-02 | 2010-05-19 | 中国广东核电集团有限公司 | Sealing structure of hydrogen cooler of generator |
| CN202513738U (en) * | 2012-01-10 | 2012-10-31 | 咸宁三鼎机电有限公司 | Integrated soft start driver |
| CN203387328U (en) * | 2013-08-16 | 2014-01-08 | 杭州明珠音乐喷泉有限公司 | Underwater stepping motor for digital waterscape spraying head |
| CN203703068U (en) * | 2014-03-10 | 2014-07-09 | 浙江天鸿传动机械有限公司 | Speed reducer rigid connecting flange assembly |
| CN205304495U (en) * | 2015-12-31 | 2016-06-08 | 纳博特斯克有限公司 | Reducer with motor |
-
2015
- 2015-12-31 CN CN201511032250.4A patent/CN106936263A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1143722A (en) * | 1995-08-18 | 1997-02-26 | 三菱电机株式会社 | Planetary gear reduction mechanism |
| US20030006084A1 (en) * | 2001-07-06 | 2003-01-09 | Kordel Antriebstechnik Gmbh | Single wheel driving mechanism |
| CN201282388Y (en) * | 2008-09-27 | 2009-07-29 | 三一重型装备有限公司 | Motor sealing device |
| CN101710760A (en) * | 2009-12-02 | 2010-05-19 | 中国广东核电集团有限公司 | Sealing structure of hydrogen cooler of generator |
| CN202513738U (en) * | 2012-01-10 | 2012-10-31 | 咸宁三鼎机电有限公司 | Integrated soft start driver |
| CN203387328U (en) * | 2013-08-16 | 2014-01-08 | 杭州明珠音乐喷泉有限公司 | Underwater stepping motor for digital waterscape spraying head |
| CN203703068U (en) * | 2014-03-10 | 2014-07-09 | 浙江天鸿传动机械有限公司 | Speed reducer rigid connecting flange assembly |
| CN205304495U (en) * | 2015-12-31 | 2016-06-08 | 纳博特斯克有限公司 | Reducer with motor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107257179A (en) * | 2017-08-08 | 2017-10-17 | 中车株洲电力机车有限公司 | Gear case motor integral structure and the motor integrated driving oil channel structures of pinion stand |
| CN110233541A (en) * | 2018-03-05 | 2019-09-13 | 住友重机械工业株式会社 | Speed reducer with motor |
| CN110233541B (en) * | 2018-03-05 | 2021-08-20 | 住友重机械工业株式会社 | Speed reducer with motor |
| CN109236974A (en) * | 2018-10-28 | 2019-01-18 | 今峰精密机电（上海）有限公司 | A kind of motor with deceleration mechanism |
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| PB01 | Publication | ||
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Application publication date: 20170707 |