CN109372953B - Planetary gear motor with bidirectional output - Google Patents

Planetary gear motor with bidirectional output Download PDF

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Publication number
CN109372953B
CN109372953B CN201811563402.7A CN201811563402A CN109372953B CN 109372953 B CN109372953 B CN 109372953B CN 201811563402 A CN201811563402 A CN 201811563402A CN 109372953 B CN109372953 B CN 109372953B
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China
Prior art keywords
motor
shaft
planetary
planet
gearbox
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CN201811563402.7A
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Chinese (zh)
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CN109372953A (en
Inventor
张骞
张文永
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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
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • 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
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/042—Guidance of lubricant
    • F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
    • 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
    • F16H57/08—General details of gearing of gearings with members having orbital motion
    • 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
    • F16H2001/327—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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02034—Gearboxes combined or connected with electric machines
    • 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
    • F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing

Abstract

The invention provides a planetary gear motor with bidirectional output, and belongs to the technical field of machinery. The planetary gear motor with the bidirectional output comprises a double-shaft extending motor, wherein the double-shaft extending motor comprises a casing and a motor shaft, two ends of the motor shaft are respectively connected with a gearbox after being respectively extended out from two ends of the casing, the gearbox comprises a gearbox shell, a planetary transmission mechanism and a driving shaft, and the end part of the motor shaft is connected with the driving shaft through the planetary transmission mechanism. The gearbox is directly connected to the two ends of the double-shaft motor, so that the structure is compact, and the occupied space is small.

Description

Planetary gear motor with bidirectional output
Technical Field
The invention belongs to the technical field of machinery, and relates to a speed reduction motor, in particular to a planetary speed reduction motor with bidirectional output.
Background
Most of the existing speed reduction driving modes in the mechanical industry are sequentially connected with a speed reducer, a transmission reversing structure and a rotating shaft through a motor, and a plurality of rotating pieces located on the same axis are connected to the rotating shaft. In addition, most of the existing gear motors are used in relatively dry environments and have limitations.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a two-way output planetary gear motor, which aims to solve the technical problems that the structure of the gear motor is more compact and is suitable for being used in a water atmosphere environment.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a planetary gear motor of two-way output, includes biax and stretches the motor, its characterized in that, biax stretches the motor and includes motor casing and motor shaft, respectively be connected with a gearbox after stretching out by the both ends of motor casing respectively at the both ends of motor shaft, the gearbox includes gearbox, planetary drive mechanism and drive shaft, the tip of motor shaft passes through planetary drive mechanism and links to each other with the drive shaft.
The planetary gear motor has the advantages that the gearbox is directly connected to the two ends of the double-shaft motor, the structure is compact, and the occupied space is small.
In the planetary gear motor with bidirectional output, the planetary transmission mechanism comprises a sun gear made of hard plastic and a plurality of planet gears, wherein the sun gear is fixedly connected to a motor shaft, and the planet gears are distributed in an annular array by taking the axial lead of the motor shaft as a central line. The hard plastic is phenolic plastic, polyurethane plastic, epoxy plastic and the like, has firm structure, does not rust, is suitable for being used in a water atmosphere environment, has a good lubricating effect after being soaked in water, does not need to additionally add lubricating oil and keep sealing, has a simpler structure and is low in use cost.
In the planetary gear motor with bidirectional output, a first gap is arranged between the gear housing and the motor housing. The first gap can enable water scattered on the motor shell and the gearbox shell to flow into the gearbox so as to lubricate a motor shaft, a planetary transmission mechanism and a driving shaft with water.
In the planetary gear motor with bidirectional output, the first clearance comprises a plurality of grooves on the end face of the gear housing facing the double-shaft extension motor.
In the planetary gear motor with bidirectional output, the gear housing is provided with an extension part extending towards the double-shaft motor and sleeved outside the motor housing, a second gap is arranged between the extension part and the side wall of the motor housing, and the second gap is communicated with the first gap. The second clearance is arranged along the axial direction of the motor shaft and the driving shaft, and a certain impact force can be formed when water flows in, so that the water can travel farther in the gearbox, and the lubrication is better in place.
In the planetary gear motor with bidirectional output, the planetary transmission mechanism comprises a planet carrier, the planet carrier is fixedly connected to the motor shell and sleeved outside the motor shaft, the planet carrier is provided with a plurality of planet shafts, each planet wheel is in one-to-one correspondence with the planet shaft, each planet wheel is rotationally connected to the corresponding planet shaft through a planet bearing, the inner wall surface of the speed changing shell is provided with a gear ring which is in meshed transmission connection with the planet wheel, and the driving shaft is fixedly connected with the speed changing shell.
In the planetary gear motor with bidirectional output, the planet carrier comprises an inner plate and an outer plate, the end face of the motor casing is provided with a circle of positioning edge protruding outwards, a shaft seal is arranged between the motor shaft and the positioning edge, the inner plate is sleeved on the positioning edge through a first bearing, and the outer plate is sleeved on the motor shaft through a second bearing.
In the planetary gear motor with bidirectional output, the planetary transmission mechanism comprises a planet carrier, the planet carrier is sleeved outside the motor shaft, the planet carrier is provided with a plurality of planet shafts, each planet wheel is arranged in one-to-one correspondence with the corresponding planet shaft, each planet wheel is fixedly connected to the corresponding planet shaft, and the driving shaft is fixedly connected to the planet carrier and is inserted in the gear housing.
In the planetary gear motor with bidirectional output, the planet carrier comprises an inner plate and an outer plate, the end face of the motor casing is provided with a circle of positioning edge protruding outwards, a shaft seal is arranged between the motor shaft and the positioning edge, the inner plate is arranged on the positioning edge through a bearing, a bearing III is arranged between the outer plate and the gear shifting casing, and the driving shaft is fixedly connected with the outer plate.
In the planetary gear motor with bidirectional output, a plurality of barrier strips are arranged on the peripheral wall of the gear case.
Compared with the prior art, the invention has the following advantages:
the waterwheel aerator horizontally and transversely arranges the double-shaft extension motor, reduces the arrangement of a transmission reversing mechanism by arranging a planetary gear box, has simpler and more compact structure and lower failure rate;
the driving shaft of the waterwheel aerator is driven by two shaft extensions of the double shaft extension motor through a set of transmission mechanism respectively, so that the transmission is more reliable;
the double-shaft extension motor and the planetary gear transmission of the waterwheel aerator are arranged on a pontoon, and the whole gravity center is low, so that the aerator is good in stability and not easy to topple.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention.
Fig. 2 is a partial schematic structural view of a transmission according to a first embodiment of the present invention.
Fig. 3 is a schematic cross-sectional structure of a second embodiment of the present invention.
Fig. 4 is a schematic view of a partial structure of a transmission according to a second embodiment of the present invention.
Fig. 5 is a schematic diagram of a third embodiment of the present invention.
Fig. 6 is a partial schematic structural view of a transmission in accordance with a third embodiment of the present invention.
Fig. 7 is a schematic diagram of a four-section structure of an embodiment of the present invention.
Fig. 8 is a partial schematic view of a transmission according to a fourth embodiment of the present invention.
Fig. 9 is a schematic diagram of a five-section structure of an embodiment of the present invention.
Fig. 10 is a partial schematic structural view of a transmission in accordance with a fifth embodiment of the present invention.
In the figure, 1, a double-shaft extension motor; 2. a motor housing; 201. a positioning edge; 3. a motor shaft; 4. a drive shaft; 5. a gearbox; 6. a gear housing; 7. a sun gear; 8. a planet wheel; 9. a first gap; 10. a groove; 11. an extension; 12. a second gap; 13. a planet carrier; 131. an inner plate; 132. an outer plate; 14. a planetary shaft; 15. a gear ring; 16. a shaft seal; 17. a first bearing; 18. a second bearing; 19. a third bearing; 20. a barrier strip; 21. and a planetary bearing.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
Embodiment one:
referring to fig. 1 and 2, the first embodiment is a planetary gear motor with bidirectional output, including a dual-shaft extending motor 1, the dual-shaft extending motor 1 includes a motor housing 2 and a motor shaft 3, two ends of the motor shaft 3 are respectively connected with a gearbox 5 after extending from two ends of the motor housing 2, two gearboxes 5 are symmetrically arranged at two ends of the dual-shaft extending motor 1, each gearbox 5 includes a gearbox 6, a planetary transmission mechanism and a driving shaft 4, and an end of the motor shaft 3 is connected with the driving shaft 4 through the planetary transmission mechanism.
Further, the planetary transmission mechanism comprises a sun wheel 7 made of hard plastic, a plurality of planet wheels 8 and a planet carrier 13, the sun wheel 7 is fixedly connected to a motor shaft 3, each planet wheel 8 takes the axial lead of the motor shaft 3 as a central line and is distributed in an annular array, the planet carrier 13 is fixedly connected to a motor shell 2 and is sleeved outside the motor shaft 3, the planet carrier 13 is provided with a plurality of planet shafts 14, each planet wheel 8 is in one-to-one correspondence with the planet shaft 14, each planet wheel 8 is rotationally connected to the corresponding planet shaft 14 through a planet bearing 21, the inner wall surface of a speed changing shell 6 is provided with a gear ring 15 for meshed transmission connection with the planet wheel 8, the planet carrier 13 comprises an inner plate 131 and an outer plate 132, the end surface of the motor shell 2 is provided with a circle of outwards protruding locating edge 201, a shaft seal 16 is arranged between the motor shaft 3 and the locating edge 201, the inner plate 131 is sleeved on the locating edge 201 through a bearing one 17, and the outer plate 132 is sleeved on the motor shaft 3 through a bearing two 18. A gap 9 is provided between the end face of the gear housing 6 and the end face of the motor housing 2.
Further, the first gap 9 comprises a plurality of grooves 10 on the end face of the gearbox 6 facing the biaxial stretching motor 1.
Further, in the first embodiment, the driving shaft 4 and the motor shaft 3 are located on the same axis, so that the structure is more compact.
Further, the driving shaft 4 and the gear housing 6 are of an integral structure formed by injection molding of hard plastics.
Further, the number of the planet gears 8 is 3-6, and the transmission ratio of the gearbox 5 is 3:1-10:1.
When the embodiment is used in a machine such as a waterwheel or an aerator which needs to drive a plurality of impellers to rotate, firstly, in the working process of the embodiment, a single double-shaft stretching motor 1 is used for driving, the driving shaft 4 can simultaneously drive a plurality of impellers or other rotating parts connected to the driving shaft 4 to rotate by driving the gear-change shells 6 and the driving shaft 4 positioned at two ends of the double-shaft stretching motor 1, when the impellers rotate, water in a pond can be lifted up, part of water can splash onto the motor shell 2 and the gear-change shells 6, the water enters the gear-change box 5 from a gap I9 between the motor shell and the gear-change shells to play a lubricating role, and meanwhile, the water entering the gear-change box 5 can also flow out from the gap I9. All the speed changing parts of the first embodiment are made of hard plastic, rust cannot occur in a water atmosphere environment, the surface of the plastic part is smoother after being soaked in water, and the lubrication effect is good.
Embodiment two:
referring to fig. 3 and 4, the second embodiment is basically the same as the first embodiment in that the gear housing 6 has an extension 11 extending toward the biaxial stretching motor 1 and sleeved outside the motor housing 2, and a gap second 12 is provided between the extension 11 and the side wall of the motor housing 2, and the gap second 12 is communicated with the gap first 9. The second gap 12 is arranged along the axial direction of the motor shaft 3 and the driving shaft 4, and can form a certain impact force when water flows in, so that the travel of the water in the gearbox 5 is further, and the lubrication is more in place; and meanwhile, accumulated water on the motor casing 2 is more convenient to collect.
Embodiment III:
referring to fig. 5 and 6, the third embodiment is basically the same as the second embodiment except that a plurality of barrier strips 20 are provided on the outer peripheral wall of the transmission case 6. The length direction of the barrier strip 20 is parallel to the axial direction of the driving shaft 4 or is inclined to the axial direction of the driving shaft 4, and the inclination angle is 0-30 degrees. When the gear box 6 rotates, water attached to the gear box 6 can be thrown outwards, particularly after the baffle strips 20 are obliquely arranged, the water raising effect can be further improved, meanwhile, accumulated water on the gear box 6 can be thrown to the motor box 2, and accumulated water can be more conveniently permeated into the gear box 5.
Embodiment four:
referring to fig. 7 and 8, the structure of the fourth embodiment is basically the same as that of the first embodiment, except that each planetary wheel 8 is fixedly connected to a corresponding planetary shaft 14, the driving shaft 4 is fixedly connected to the planetary carrier 13 and is inserted into the gear housing 6, the planetary carrier 13 includes an inner plate 131 and an outer plate 132, the end face of the motor housing 2 has a circle of positioning edge 201 protruding outwards, a shaft seal 16 is provided between the motor shaft 3 and the positioning edge 201, the inner plate 131 is sleeved on the positioning edge 201 through a bearing one 17, a bearing three 19 is provided between the outer plate 132 and the gear housing 6, and the driving shaft 4 is fixedly connected to the outer plate 132. The inner end of the driving shaft 4 is sleeved at the outer end of the motor shaft 3, and a bearing IV 22 is arranged between the driving shaft 4 and the motor shaft 3.
In the fourth embodiment, when the motor shaft 3 drives each planetary gear 8 to rotate through the sun gear 7, and simultaneously the planetary carrier 13 rotates, because the driving shaft 4 is fixedly connected with the planetary carrier 13, the driving shaft 4 rotates along with the planetary carrier 13 to drive the rotating member to work.
Fifth embodiment:
referring to fig. 9 and 10, the fifth embodiment is basically the same as the fourth embodiment except that the gear housing 6 has an extension 11 extending toward the biaxial stretching motor 1 and sleeved outside the motor housing 2, and a gap second 12 is provided between the extension 11 and the side wall of the motor housing 2, and the gap second 12 is communicated with the gap first 9. The second gap 12 is arranged along the axial direction of the motor shaft 3 and the driving shaft 4, and can form a certain impact force when water flows in, so that the travel of the water in the gearbox 5 is further, and the lubrication is more in place; and meanwhile, accumulated water on the motor casing 2 is more convenient to collect.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (6)

1. The utility model provides a planetary gear motor of two-way output, includes double-shaft motor (1), its characterized in that, double-shaft motor (1) includes motor casing (2) and motor shaft (3), the both ends of motor shaft (3) are stretched out respectively by motor casing (2) both ends after each be connected with gearbox (5), gearbox (5) include gearbox (6), planetary gear and drive shaft (4), the tip of motor shaft (3) passes through planetary gear and links to each other with drive shaft (4), planetary gear includes sun gear (7) that rigid plastic made, a plurality of planet wheel (8), sun gear (7) link firmly on motor shaft (3), each planet wheel (8) are in annular array distribution with motor shaft (3)'s axial lead as the central line, have clearance one (9) between gearbox (6) and motor casing (2), clearance one (9) are including being located gearbox (6) towards a plurality of recess (10) on the terminal surface of double-shaft motor (1), gearbox (6) have towards double-shaft motor (1) and stretch out motor casing (2) extension portion (11) outside extension portion (11), the second gap (12) is communicated with the first gap (9).
2. The bidirectional output planetary gear motor according to claim 1, wherein the planetary transmission mechanism further comprises a planet carrier (13), the planet carrier (13) is fixedly connected to the motor housing (2) and sleeved outside the motor shaft (3), the planet carrier (13) is provided with a plurality of planet shafts (14), each planet wheel (8) is arranged in one-to-one correspondence with the planet shaft (14), each planet wheel (8) is rotatably connected to the corresponding planet shaft (14) through a planet bearing (21), a gear ring (15) for meshed transmission connection with the planet wheel (8) is arranged on the inner wall surface of the variable speed housing (6), and the driving shaft (4) is fixedly connected with the variable speed housing (6).
3. The planetary gear motor with bidirectional output according to claim 2, wherein the planet carrier (13) comprises an inner plate (131) and an outer plate (132), the end face of the motor casing (2) is provided with a circle of positioning edge (201) protruding outwards, a shaft seal (16) is arranged between the motor shaft (3) and the positioning edge (201), the inner plate (131) is sleeved on the positioning edge (201) through a first bearing (17), and the outer plate (132) is sleeved on the motor shaft (3) through a second bearing (18).
4. The bidirectional output planetary gear motor according to claim 1, wherein the planetary transmission mechanism comprises a planetary carrier (13), the planetary carrier (13) is sleeved outside the motor shaft (3), the planetary carrier (13) is provided with a plurality of planetary shafts (14), each planetary wheel (8) is arranged in one-to-one correspondence with the planetary shaft (14), each planetary wheel (8) is fixedly connected to the corresponding planetary shaft (14), and the driving shaft (4) is fixedly connected to the planetary carrier (13) and is inserted in the gearbox (6).
5. The planetary gear motor with bidirectional output according to claim 4, wherein the planet carrier (13) comprises an inner plate (131) and an outer plate (132), the end face of the motor casing (2) is provided with a circle of positioning edge (201) protruding outwards, a shaft seal (16) is arranged between the motor shaft (3) and the positioning edge (201), the inner plate (131) is sleeved on the positioning edge (201) through a bearing I (17), a bearing III (19) is arranged between the outer plate (132) and the gear box (6), and the driving shaft (4) is fixedly connected with the outer plate (132).
6. The planetary reduction motor with bidirectional output according to claim 1, characterized in that a plurality of barrier strips (20) are arranged on the peripheral wall of the gear box (6).
CN201811563402.7A 2018-12-20 2018-12-20 Planetary gear motor with bidirectional output Active CN109372953B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811563402.7A CN109372953B (en) 2018-12-20 2018-12-20 Planetary gear motor with bidirectional output

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CN109372953B true CN109372953B (en) 2024-03-08

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102030534B1 (en) * 2019-05-07 2019-10-10 윤창진 Centrifuge capable of bi-directional rotation
KR102045972B1 (en) * 2019-05-07 2019-11-18 윤창진 Centrifuge capable of bi-directional rotation

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Publication number Priority date Publication date Assignee Title
EP0687837A2 (en) * 1994-06-16 1995-12-20 Sumitomo Heavy Industries, Ltd. Geared motors
CN102684373A (en) * 2012-05-14 2012-09-19 周峰 Low-starting-current motor
CN104079116A (en) * 2014-07-21 2014-10-01 严振华 Reduction ratio variable hub motor for electric bicycle
WO2015110618A2 (en) * 2014-01-24 2015-07-30 Siemens Aktiengesellschaft Variable-speed machine gearbox unit
CN207315988U (en) * 2017-10-25 2018-05-04 深圳市汇能达塑料有限公司 A kind of gear reduction unit
CN209539933U (en) * 2018-12-20 2019-10-25 张骞 A kind of planetary reducing motor of bidirectional output

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015231275A (en) * 2014-06-04 2015-12-21 Ntn株式会社 In-wheel motor drive device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0687837A2 (en) * 1994-06-16 1995-12-20 Sumitomo Heavy Industries, Ltd. Geared motors
CN102684373A (en) * 2012-05-14 2012-09-19 周峰 Low-starting-current motor
WO2015110618A2 (en) * 2014-01-24 2015-07-30 Siemens Aktiengesellschaft Variable-speed machine gearbox unit
CN104079116A (en) * 2014-07-21 2014-10-01 严振华 Reduction ratio variable hub motor for electric bicycle
CN207315988U (en) * 2017-10-25 2018-05-04 深圳市汇能达塑料有限公司 A kind of gear reduction unit
CN209539933U (en) * 2018-12-20 2019-10-25 张骞 A kind of planetary reducing motor of bidirectional output

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