CN111550528A - Motor embedded two-stage planetary reducer - Google Patents

Motor embedded two-stage planetary reducer Download PDF

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Publication number
CN111550528A
CN111550528A CN202010458784.8A CN202010458784A CN111550528A CN 111550528 A CN111550528 A CN 111550528A CN 202010458784 A CN202010458784 A CN 202010458784A CN 111550528 A CN111550528 A CN 111550528A
Authority
CN
China
Prior art keywords
motor
speed reducer
reducer
shell
embedded
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
Application number
CN202010458784.8A
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Chinese (zh)
Inventor
杨庆雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Jiangjin Hefeng Machinery Co ltd
Original Assignee
Chongqing Jiangjin Hefeng Machinery Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Jiangjin Hefeng Machinery Co ltd filed Critical Chongqing Jiangjin Hefeng Machinery Co ltd
Priority to CN202010458784.8A priority Critical patent/CN111550528A/en
Publication of CN111550528A publication Critical patent/CN111550528A/en
Pending legal-status Critical Current

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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
    • F16H1/32—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
    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/17—Toothed wheels
    • 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
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0412—Cooling or heating; Control of temperature
    • 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
    • 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
    • F16H2001/324—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 comprising two axially spaced, rigidly interconnected, 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
    • 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
    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/17—Toothed wheels
    • F16H2055/176—Ring gears with inner teeth
    • 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
    • F16H2057/02013—Extension units for gearboxes, e.g. additional units attached to a main gear

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Retarders (AREA)

Abstract

The invention provides a two-stage planetary reducer embedded in a motor, which comprises a reducer and a motor, wherein the reducer comprises a reducer shell, the motor comprises a motor shell, a two-stage planetary gear train is arranged in the reducer shell, the reducer shell is embedded in the motor shell in a transition fit mode, and the input end of the reducer is connected with the output end of the motor through a spline. The invention solves the problems that in the prior art, the output shaft of the motor and the input shaft of the speed reducer are mostly directly and fixedly connected in the installation mode of the speed reducer and the motor, the speed reducer and the motor are arranged in a large space after being matched and installed, and the combined body of the speed reducer and the motor cannot be well and fixedly arranged in limited spaces such as mines, and has the effects that the depth of the speed reducer shell embedded into the motor shell can be flexibly adjusted according to needs, the volume of the speed reducer and the motor after being assembled is reduced, and the speed reducer and the motor can be conveniently and fixedly arranged in the limited spaces.

Description

Motor embedded two-stage planetary reducer
Technical Field
The invention relates to the technical field of planetary speed reducers, in particular to a two-stage planetary speed reducer embedded in a motor.
Background
The motor is mainly used for generating driving torque and is used as a power source of electric appliances or various machines. The planetary reducer is an industrial product with wide application, and can reduce the rotating speed of a motor and increase the output torque. The planetary reducer can be used as a matched component for industries such as hoisting, digging, transportation, building and the like. The existing installation mode of the speed reducer and the motor is mainly that the output shaft of the motor is directly and fixedly connected with the input shaft of the speed reducer, the speed reducer and the motor need a large space to be arranged after being installed in a matching mode, and in some limited spaces such as mines, the combination of the speed reducer and the motor cannot be well fixed and arranged.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a two-stage planetary reducer embedded in a motor, which solves the problems that in the prior art, the mounting mode of the reducer and the motor is mostly that the output shaft of the motor is directly and fixedly connected with the input shaft of the reducer, the reducer and the motor need a larger space for arrangement after being matched and mounted, and the combination of the reducer and the motor cannot be well and fixedly arranged in a limited space such as a mine.
According to the embodiment of the invention, the two-stage planetary reducer embedded in the motor comprises a reducer and a motor, wherein the reducer comprises a reducer shell, the motor comprises a motor shell, a two-stage planetary gear train is arranged in the reducer shell, the reducer shell is embedded in the motor shell in a transition fit mode, and the input end of the reducer is connected with the output end of the motor through a spline.
The technical principle and the beneficial effects of the invention are as follows: through with imbedding among the speed reducer built-in motor casing, the input of speed reducer adopts splined connection's mode with the output of motor, the degree of depth that makes speed reducer casing embedding motor casing can carry out nimble regulation as required and make the volume after speed reducer and the motor assembly obtain reducing, be convenient for fix in limited space and lay, shell and the motor casing transition complex mounting means through the speed reducer, make speed reducer casing and motor casing can obtain stable fixed connection, and then avoid spline connection department to produce relative slip.
Preferably, the speed reducer casing is completely embedded in the motor casing, and the speed reducer casing can have partial functions of the motor casing by being completely embedded in the motor casing.
Preferably, the motor further comprises an end cover detachably connected with the motor shell, the end cover is located at one end close to the motor output shaft, and a through hole convenient for the speed reducer output shaft to pass through is further formed in the end cover.
Preferably, the surface of speed reducer casing scribbles the dope layer that the one deck is used for heat conduction, through the dope layer that sets up, makes speed reducer casing's heat more easily transmit, and then is favorable to giving out speed reducer casing heat.
Preferably, the two-stage planetary gear train comprises two-stage inner gear rings, the two-pole inner gear rings are integrally formed with the inner wall of the reducer shell, and the two-pole inner gear rings integrally formed with the reducer shell are arranged, so that the step of mounting the two-pole inner gear rings on the reducer shell is omitted, the space occupied by connecting parts is reduced, the problem of mounting space is not considered, fixing parts between adjacent inner gear rings are reduced, and the purpose of assembling the double planetary carriers under a short wheelbase is achieved.
Preferably, the output end of the speed reducer is fixedly connected with a spline structure used for being connected with a load spline, and the spline structure arranged at the output end of the speed reducer enables the output end to be connected with the load spline, so that the position of the load on the output end of the speed reducer can be flexibly adjusted as required, and the occupied space is reduced.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of the present invention.
Fig. 2 is a structural schematic diagram of an integrated double ring gear according to an embodiment of the invention.
Fig. 3 is a sectional view a-a of fig. 2.
In the above drawings: 1. a speed reducer housing; 2. a motor housing; 3. an integrated double inner gear ring; 4. an end cap; 5. an output planet wheel; 6. an input planet carrier; 7. an output planet carrier; 8. inputting a sun gear; 9. an output sun gear; 10. and a planet gear is input.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
As shown in fig. 1, the embodiment of the present invention provides a motor embedded two-stage planetary reducer, which includes a reducer and a motor, wherein the reducer includes a reducer housing 1, the motor includes a motor housing 2, a two-stage planetary gear train is disposed in the reducer housing 1, the two-stage planetary gear train includes an input planet carrier 6, an output planet carrier 7, an output planet shaft, a two-stage ring gear, an input sun gear 8, an output sun gear 9, an input planet gear 10, and an output planet gear 5, the input sun gear 8 is an input end of the reducer, the output planet shaft is an output end of the reducer, the input sun gear 8, the output sun gear 9, the input planet gear 10, and the output planet gear 5 are all designed with hard carburized and quenched tooth surfaces, the input planet carrier 6, the output planet carrier 7, and the two-stage ring gear are all forged from high-quality alloy steel and, to ensure compliance with machining accuracy and strength requirements. The speed reducer is characterized in that the speed reducer shell 1 is embedded in the motor shell 2 in a transition fit mode, the motor with the speed reducer shell 1 completely embedded in the motor shell 2 further comprises an end cover 4 detachably connected with the motor shell 2, the end cover 4 is located at one end close to a motor output shaft, the detachable end cover 4 is taken down during assembly, the speed reducer is integrally embedded in the motor shell 2, the left end shell of the speed reducer shell 1 is flush with the left end face of the motor shell 2, when the speed reducer shell 1 is completely embedded in the motor shell 2, the end face, close to the speed reducer output end, of the speed reducer shell 1 is fixedly connected with the detachably connected end cover 4 through bolts, and through holes convenient for the speed reducer output shaft to pass through are further formed in the end cover 4; the input end of the speed reducer is connected with the output end of the motor through a spline, specifically, a first spline sleeve is fixedly connected to the input sun gear 8 of the speed reducer, and a first spline shaft is fixedly connected to the output shaft of the motor. The output planet shaft of the speed reducer is fixedly connected with a spline structure used for being connected with a load spline, and a spline sleeve or a spline shaft can be additionally arranged on the output planet shaft of the speed reducer according to the spline structure of the load connection part in the actual use process; through the mode that the input sun gear 8 that adopts the speed reducer is connected with the output shaft spline of motor, make the degree of depth that speed reducer casing 1 imbeds motor casing 2 can adjust as required in a flexible way, reduced occupation space, through the mode that the output planet axle that adopts the speed reducer is connected with load spline, make the position of load on speed reducer output planet epaxial can adjust as required in a flexible way, reduced occupation space.
As shown in fig. 2 and 3, the two-pole ring gear and the middle part of the inner wall of the speed reducer housing 1 are integrally formed, that is, the integrated double ring gear 3, specifically referring to the short-wheelbase double planetary transmission mechanism of chinese patent CN209026120U, through the arranged integrated double ring gear 3, the step of mounting two ring gears of the integrated double ring gear 3 on the speed reducer housing 1 is omitted, the space occupied by connecting parts is reduced, so that the problem of mounting space is not considered, fixing parts between adjacent ring gears are reduced, and the purpose of assembling the double planet carrier under the short wheelbase is achieved.
The surface of speed reducer casing 1 scribbles the dope layer that the one deck is used for heat conduction, through the dope layer that sets up, makes speed reducer casing 1's heat transmit more easily, and then is favorable to giving out speed reducer casing 1 heat, and the high heat conduction silicone grease is chooseed for use to the dope layer in this embodiment, speed reducer casing 1 is cylindrical, through setting up speed reducer casing 1 to cylindrically, can further reduce speed reducer casing 1's volume.
The motor also comprises a cooling system, the motor comprises the cooling system, the cooling system is the prior art, and details are not repeated, as shown in fig. 1, the whole speed reducer shell 1 is embedded in the motor shell 2, and as the whole speed reducer is embedded in the motor and the speed reducer shell 1 is in transition fit with the motor shell 2, the cooling system can reduce the speed and cool the speed reducer when the cooling system of the motor cools the motor shell 2; because the speed reducer is whole embedded in motor casing 2, the speed reducer has still enjoyed the protecting effect the same with the motor, and in the in-service use in-process, can choose for use the motor that possesses different safeguard function according to actual need, for example the motor is explosion proof machine, the whole embedded in explosion proof machine's of speed reducer casing, because whole speed reducer contains within explosion proof machine, even the speed reducer enjoys the explosion proof effect the same with explosion proof machine.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (6)

1. The utility model provides an embedded two-stage planetary reducer of motor, includes speed reducer and motor, the speed reducer contains speed reducer casing (1), the motor contains motor casing (2), be provided with two-stage planetary gear train in the speed reducer casing (1), its characterized in that: the speed reducer is characterized in that the speed reducer shell (1) is embedded in the motor shell (2) in a transition fit mode, and the input end of the speed reducer is connected with the output end of the motor through a spline.
2. The motor-embedded two-stage planetary reducer of claim 1, wherein: the speed reducer casing (1) is completely embedded in the motor casing (2).
3. The motor-embedded two-stage planetary reducer as claimed in claim 2, wherein: the motor further comprises an end cover (4) detachably connected with the motor shell (2), the end cover (4) is located at one end close to the motor output shaft, and a through hole convenient for the speed reducer output shaft to pass through is further formed in the end cover (4).
4. The motor-embedded two-stage planetary reducer of claim 1, wherein: the outer surface of the speed reducer shell (1) is coated with a coating layer for heat conduction.
5. The motor-embedded two-stage planetary reducer of claim 1, wherein: the two-stage planetary gear train comprises two-stage inner gear rings, and the two-stage inner gear rings are integrally formed with the inner wall of the reducer shell (1).
6. The motor-embedded two-stage planetary reducer of claim 1, wherein: the output end of the speed reducer is fixedly connected with a spline structure used for being connected with a load spline.
CN202010458784.8A 2020-05-27 2020-05-27 Motor embedded two-stage planetary reducer Pending CN111550528A (en)

Priority Applications (1)

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CN202010458784.8A CN111550528A (en) 2020-05-27 2020-05-27 Motor embedded two-stage planetary reducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010458784.8A CN111550528A (en) 2020-05-27 2020-05-27 Motor embedded two-stage planetary reducer

Publications (1)

Publication Number Publication Date
CN111550528A true CN111550528A (en) 2020-08-18

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112202345A (en) * 2020-09-22 2021-01-08 青岛中加特电气股份有限公司 Heat dissipation system of frequency conversion all-in-one machine
CN112242781A (en) * 2020-09-22 2021-01-19 青岛中加特电气股份有限公司 Frequency conversion all-in-one machine
CN112383196A (en) * 2020-12-03 2021-02-19 青岛中加特电气股份有限公司 Variable frequency speed regulation all-in-one machine
CN112436683A (en) * 2020-11-16 2021-03-02 青岛中加特电气股份有限公司 Frequency conversion all-in-one machine

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1399393A (en) * 2001-07-25 2003-02-26 王庆雨 Variable-frequency stepless speed-regulating motor
DE102010035572A1 (en) * 2010-08-27 2012-03-01 Engineering Center Steyr Gmbh & Co. Kg Gear motor i.e. servomotor, for use in actuator for e.g. exhaust gas turbocharger of internal combustion engine of motor car, has gear rotatably arranged around central axis, and output element connected with gear in torque-proof manner
CN202334140U (en) * 2011-11-30 2012-07-11 宿迁市成子湖食品有限公司 Reducer of rolling cage for processing corbicula fluminalis
CN103738166A (en) * 2013-12-31 2014-04-23 南车戚墅堰机车车辆工艺研究所有限公司 Transmission system for electric vehicle
CN104578565A (en) * 2014-12-31 2015-04-29 山东帅克机械制造股份有限公司 Combined harmonic wave speed reduction and motor integrated machine
CN204349693U (en) * 2015-01-28 2015-05-20 温岭市东菱电机有限公司 A kind of permanent magnet efficient motor
CN209026120U (en) * 2018-09-07 2019-06-25 重庆市江津区禾丰机械有限公司 Short wheelbase double epicyclic gear drive mechanism
CN212177774U (en) * 2020-05-27 2020-12-18 重庆市江津区禾丰机械有限公司 Motor embedded two-stage planetary reducer

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1399393A (en) * 2001-07-25 2003-02-26 王庆雨 Variable-frequency stepless speed-regulating motor
DE102010035572A1 (en) * 2010-08-27 2012-03-01 Engineering Center Steyr Gmbh & Co. Kg Gear motor i.e. servomotor, for use in actuator for e.g. exhaust gas turbocharger of internal combustion engine of motor car, has gear rotatably arranged around central axis, and output element connected with gear in torque-proof manner
CN202334140U (en) * 2011-11-30 2012-07-11 宿迁市成子湖食品有限公司 Reducer of rolling cage for processing corbicula fluminalis
CN103738166A (en) * 2013-12-31 2014-04-23 南车戚墅堰机车车辆工艺研究所有限公司 Transmission system for electric vehicle
CN104578565A (en) * 2014-12-31 2015-04-29 山东帅克机械制造股份有限公司 Combined harmonic wave speed reduction and motor integrated machine
CN204349693U (en) * 2015-01-28 2015-05-20 温岭市东菱电机有限公司 A kind of permanent magnet efficient motor
CN209026120U (en) * 2018-09-07 2019-06-25 重庆市江津区禾丰机械有限公司 Short wheelbase double epicyclic gear drive mechanism
CN212177774U (en) * 2020-05-27 2020-12-18 重庆市江津区禾丰机械有限公司 Motor embedded two-stage planetary reducer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112202345A (en) * 2020-09-22 2021-01-08 青岛中加特电气股份有限公司 Heat dissipation system of frequency conversion all-in-one machine
CN112242781A (en) * 2020-09-22 2021-01-19 青岛中加特电气股份有限公司 Frequency conversion all-in-one machine
WO2022062104A1 (en) * 2020-09-22 2022-03-31 青岛中加特电气股份有限公司 Frequency conversion integrated machine
CN112202345B (en) * 2020-09-22 2022-07-05 青岛中加特电气股份有限公司 Heat dissipation system of frequency conversion all-in-one machine
CN112436683A (en) * 2020-11-16 2021-03-02 青岛中加特电气股份有限公司 Frequency conversion all-in-one machine
CN112383196A (en) * 2020-12-03 2021-02-19 青岛中加特电气股份有限公司 Variable frequency speed regulation all-in-one machine

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