CN111156295A - Full-sealed lubrication planetary gear motor - Google Patents
Full-sealed lubrication planetary gear motor Download PDFInfo
- Publication number
- CN111156295A CN111156295A CN202010138531.2A CN202010138531A CN111156295A CN 111156295 A CN111156295 A CN 111156295A CN 202010138531 A CN202010138531 A CN 202010138531A CN 111156295 A CN111156295 A CN 111156295A
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- Prior art keywords
- gear
- motor
- box body
- planetary gear
- output shaft
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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
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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
- 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
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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
- 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
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0463—Grease lubrication; Drop-feed lubrication
- F16H57/0464—Grease lubrication
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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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
- F16H57/0486—Gearings with gears having orbital motion with fixed gear ratio
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
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- 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
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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
- F16H2001/327—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear with orbital gear sets comprising an internally toothed ring gear
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to a full-sealed lubrication planetary gear motor which comprises a motor, a box body, various gears, a plurality of sealing rings and an output shaft, wherein one side of the output end of the motor is connected with a motor mounting plate through a motor screw, the motor mounting plate is connected with one side of the box body through a box body screw, a primary planetary gear is connected to the outer side of the motor gear, a planet carrier gear is arranged on one side of the primary planetary gear, an inner helical gear is arranged on the outer side of the primary planetary gear, the gear on the inner side of the inner gear is connected with a secondary planetary gear, and the output end of the output shaft penetrates through the box body. According to the invention, the structure of the gear box is improved, the sealing rings are additionally arranged at the positions which are not tightly sealed, such as the output shaft, the box body and the motor shaft of the planetary gear motor, so that the loss of lubricating grease in the gear box can be prevented, the lubricating effect is improved, the temperature rise in the gear box is effectively controlled, the failure of the gear is reduced, and the service life of the gear box is prolonged.
Description
Technical Field
The invention relates to the technical field of planetary gear motors, in particular to a full-sealed lubricating planetary gear motor.
Background
The planetary gear motor has the characteristics of compact structure, small volume and large transmission ratio, and in order to prolong the service life of the planetary gear motor and reduce the noise during working, a proper amount of grease is often required to be added on a transmission gear.
In the small-modulus planetary gearbox on the market, a layer of lubricating grease is usually coated on the surface of a gear, but the lubricating effect of the mode is poor, when the gearbox runs under a long-time load, the meshing of the gear generates heat due to friction, the temperature in the gearbox rises, the lubricating grease is quickly carbonized, the failure of the gear is aggravated, and the service life of the gearbox is greatly reduced; sufficient lubricating grease is added to ensure that the gear box is fully lubricated, but because the gear box is not tightly sealed, the lubricating grease is lost from the parts which are not tightly sealed, such as an output shaft, a bottom plate, a motor shaft and the like, so that the lubricating grease is insufficient, and the service life of the gear box is reduced, therefore, the totally-sealed lubricating planetary gear motor is provided.
Disclosure of Invention
The invention aims to provide a full-sealed lubrication planetary gear reducer motor, which aims to solve the problems that the sealing of a small-modulus planetary gear box on the market proposed in the background art is not tight, lubricating grease is lost from the parts which are not tightly sealed, such as an output shaft, a bottom plate, a motor shaft and the like, so that the lubricating grease is insufficient, and the service life of the gear box is further shortened.
In order to achieve the purpose, the invention provides the following technical scheme:
a full-sealed lubrication planetary gear motor comprises a motor, a box body, a plurality of gears, a plurality of sealing rings and an output shaft, one side of the output end of the motor is connected with a motor mounting plate through a motor screw, the motor mounting plate is connected with one side of the box body through a box body screw, the output end of the motor is provided with a motor gear, the outer side of the motor gear is connected with a primary planet gear, one side of the primary planet gear is provided with a planet carrier gear, one side of the planet carrier gear is connected with the secondary planet gear, an inner helical gear is arranged on the outer side of the primary planetary gear, an inner gear is movably sleeved on the outer side of the inner helical gear, the gear at the inner side of the internal gear is connected with a secondary planet gear, a box body is arranged at the outer side of the internal gear, and an output shaft is arranged on one side of the secondary planetary gear, and the output end of the output shaft penetrates through the inside of the box body.
Preferably, motor shaft sealing washer, holding down plate, box sealing washer, box, output shaft sealing washer, output shaft constitute sealed return circuit, have constituteed inside totally enclosed gear box structure through increasing three sealing washer, and the inside lubricating grease that has added of totally enclosed gear box structure to lubricating grease includes liquid lubricating oil and solid-state lubricating grease.
Preferably, the motor includes but is not limited to a stepping motor, a servo motor and a direct current motor, and the motor shaft sealing ring, the box body sealing ring and the output shaft sealing ring are made of but not limited to nitrile rubber, silica gel, metal rubber, fluorine rubber and ethylene propylene rubber.
Preferably, a sealing ring groove is formed in the inner wall of the motor mounting plate, a motor shaft sealing ring is mounted in the sealing ring groove, a lower pressing plate is arranged on one side of the motor mounting plate, and the lower pressing plate and the motor mounting plate are matched to compress the motor shaft sealing ring.
Preferably, the outer wall of the internal gear is provided with a sealing ring groove, a box sealing ring is arranged in the sealing ring groove, and the internal gear and the lower pressing plate are matched to compress the box sealing ring.
Preferably, a sealing ring groove is formed in the inner wall of the box body, an output shaft sealing ring is arranged in the sealing ring groove, the box body and the upper pressing plate are matched to compress the output shaft sealing ring, and the upper pressing plate is arranged in the box body.
Preferably, the internal gear is connected with the box body through a pin.
Preferably, the bearing is arranged in the box body outside the output shaft, the clamp springs are arranged on the outer sides of the bearings close to one end of the box body, the clamp springs limit axial movement of the output shaft, and two bearings are arranged in the box body outside the output shaft.
Preferably, the motor gear, the primary planetary gear, the planet carrier gear, the secondary planetary gear and the output shaft are reduction transmission parts of the planetary reduction motor, different reduction ratios can be obtained by different reduction transmission stages, the transmission stage can be 1 to 5 stages, and the reduction ratio is 3: 1 to 3125: 1.
Compared with the prior art, the invention has the beneficial effects that: this totally enclosed lubrication planetary gear motor:
according to the invention, the structure of the gear box is improved, the sealing rings are additionally arranged at the positions which are not tightly sealed, such as the output shaft, the box body and the motor shaft of the planetary gear motor, so that the loss of lubricating grease in the gear box can be prevented, the lubricating effect is improved, the temperature rise in the gear box is effectively controlled, the failure of the gear is reduced, and the service life of the gear box is prolonged.
Drawings
FIG. 1 is a schematic view of a partial cross-sectional structure of a fully sealed lubrication planetary gear motor according to the present invention;
fig. 2 is an explosion structure schematic diagram of a full-sealed lubrication planetary gear motor.
In the figure: 1. a motor; 2. a motor mounting plate; 3. a motor shaft seal ring; 4. a lower pressing plate; 5. a box body sealing ring; 6. an internal gear; 7. a box body; 8. an output shaft; 9. an output shaft seal ring; 10. an upper pressure plate; 11. a box body screw; 12. a motor screw; 13. a motor gear; 14. a primary planetary gear; 15. an inner helical gear; 16. a planet carrier gear; 17. a secondary planetary gear; 18. a pin; 19. a bearing; 20. and a clamp spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution:
a full-sealed lubrication planetary gear motor comprises a motor 1, a motor mounting plate 2, a motor shaft seal ring 3, a lower press plate 4, a box seal ring 5, an internal gear 6, a box 7, an output shaft 8, an output shaft seal ring 9, an upper press plate 10, a box screw 11, a motor screw 12, a motor gear 13, a primary planetary gear 14, an internal helical gear 15, a planet carrier gear 16, a secondary planetary gear 17, a pin 18, a bearing 19 and a snap spring 20, wherein one side of the output end of the motor 1 is connected with the motor mounting plate 2 through the motor screw 12, the motor mounting plate 2 is connected with one side of the box 7 through the box screw 11, the motor gear 13 is mounted at the output end of the motor 1, the primary planetary gear 14 is connected to the outer side of the motor gear 13, the planet carrier gear 16 is arranged at one side of the primary planetary gear 14, one side of the, an inner helical gear 15 is arranged on the outer side of the primary planetary gear 14, an inner gear 6 is movably sleeved on the outer side of the inner helical gear 15, a gear on the inner side of the inner gear 6 is connected with a secondary planetary gear 17, a box body 7 is arranged on the outer side of the inner gear 6, an output shaft 8 is arranged on one side of the secondary planetary gear 17, and the output end of the output shaft 8 penetrates through the box body 7;
the motor 1, the motor shaft sealing ring 3, the lower pressing plate 4, the box body sealing ring 5, the box body 7, the output shaft sealing ring 9 and the output shaft 8 form a sealing loop, three sealing untight parts of the motor shaft, the box body 7 and the output shaft 8 are sealed, an internal full-sealing gear box structure is formed, loss of internal lubricating grease is thoroughly prevented, lubricating grease is added into the full-sealing gear box structure, and the lubricating grease comprises liquid lubricating oil and solid lubricating grease; the motor 1 comprises but is not limited to a stepping motor, a servo motor and a direct current motor, and the motor shaft sealing ring 3, the box body sealing ring 5 and the output shaft sealing ring 9 are made of but not limited to nitrile rubber, silica gel, metal rubber, fluorine rubber and ethylene propylene rubber; a sealing ring groove is formed in the inner wall of the motor mounting plate 2, a motor shaft sealing ring 3 is mounted in the sealing ring groove, a lower pressing plate 4 is arranged on one side of the motor mounting plate 2, and the lower pressing plate 4 and the motor mounting plate 2 are matched to compress the motor shaft sealing ring 3, so that good sealing performance between the lower pressing plate 4 and the motor 1 is guaranteed; a sealing ring groove is formed in the outer wall of the internal gear 6, a box body sealing ring 5 is arranged in the sealing ring groove, and the internal gear 6 and the lower pressing plate 4 are matched to compress the box body sealing ring 5, so that good sealing performance between the box body 7 and the lower pressing plate 4 is guaranteed; a sealing ring groove is formed in the inner wall of the box body 7, an output shaft sealing ring 9 is arranged in the sealing ring groove, the box body 7 and an upper pressing plate 10 are matched to compress the output shaft sealing ring 9, and the upper pressing plate 10 is arranged in the box body 7, so that good sealing performance between the box body 7 and the output shaft 8 is guaranteed; the inner gear 6 is connected with the box body 7 through a pin 18; a bearing 19 is arranged inside the box body 7 on the outer side of the output shaft 8, a clamp spring 20 is arranged on the outer side of one end, close to the box body 7, of the bearing 19, the clamp spring 20 limits axial movement of the output shaft 8, high-precision rotary movement of the output shaft 8 under the support of the bearing 19 is guaranteed, and two bearings 19 are arranged inside the box body 7 on the outer side of the output shaft 8; the motor gear 13, the primary planet gear 14, the planet carrier gear 16, the secondary planet gear 17 and the output shaft 8 are reduction transmission parts of the planetary reduction motor, different reduction ratios can be obtained by different reduction transmission stages, the transmission stage can be 1 to 5 stages, and the reduction ratio is 3: 1 to 3125: 1.
When the gearbox is used, the motor 1 provides rotating power, the planetary reduction motor speed reduction transmission component is composed of the motor gear 13, the first-stage planetary gear 14, the planetary carrier gear 16, the second-stage planetary gear 17 and the output shaft 8, the motor 1 can obtain different speed reduction ratios through different speed reduction transmission stages, the rotating power of the motor 1 is transmitted to the output shaft 8 and a device connected with the output shaft to rotate, and in the process that the motor 1 drives the planetary reduction motor speed reduction transmission component to rotate, the motor shaft sealing ring 3, the box body sealing ring 5 and the output shaft sealing ring 9 are respectively compressed through matching between the motor mounting plate 2 and the lower pressing plate, between the lower pressing plate 4 and the inner gear 6 and between the upper pressing plate 10 and the box body 7, so that good sealing performance between the lower pressing plate 4 and the motor 1, between the box body 7 and the lower pressing plate 4 and between the box body 7 and the output shaft 8 is, the lubricating effect is improved, and the temperature rise in the gear box is effectively controlled, so that the gear failure is slowed down, and the service life of the gear box is prolonged.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a lubricated planet gear motor of totally enclosed, includes motor (1), box (7), multiple gear, a plurality of sealing washer and output shaft (8), its characterized in that: the output end of the motor (1) is connected with the motor mounting plate (2) through a motor screw (12), the motor mounting plate (2) is connected with one side of the box body (7) through a box body screw (11), the motor gear (13) is installed at the output end of the motor (1), the outer side of the motor gear (13) is connected with a first-stage planetary gear (14), one side of the first-stage planetary gear (14) is provided with a planet carrier gear (16), one side of the planet carrier gear (16) is connected with a second-stage planetary gear (17), the outer side of the first-stage planetary gear (14) is provided with an inner helical gear (15), the outer side of the inner helical gear (15) is movably sleeved with an inner gear (6), the gear position at the inner side of the inner gear (6) is connected with the second-stage planetary gear (17), the outer side of the inner gear, an output shaft (8) is arranged on one side of the secondary planetary gear (17), and the output end of the output shaft (8) penetrates through the inside of the box body (7).
2. The totally enclosed lubricated planetary gear reduction motor according to claim 1, wherein: motor (1), motor shaft sealing washer (3), holding down plate (4), box sealing washer (5), box (7), output shaft sealing washer (9), output shaft (8) constitute sealed return circuit, have constituteed inside totally enclosed gear box structure through increasing three sealing washer, and the inside lubricating grease that has added of totally enclosed gear box structure to lubricating grease includes liquid lubricating oil and solid-state lubricating grease.
3. The totally enclosed lubricated planetary gear reduction motor according to claim 2, wherein: the motor (1) comprises but is not limited to a stepping motor, a servo motor and a direct current motor, and the motor shaft sealing ring (3), the box body sealing ring (5) and the output shaft sealing ring (9) are made of but not limited to nitrile rubber, silica gel, metal rubber, fluorine rubber and ethylene propylene rubber.
4. The totally enclosed lubricated planetary gear reduction motor according to claim 1, wherein: the motor mounting panel (2) inner wall has been seted up the seal ring groove, and has been installed motor shaft sealing washer (3) in the seal ring groove, motor mounting panel (2) one side is provided with holding down plate (4), and holding down plate (4) and motor mounting panel (2) cooperation compression motor shaft sealing washer (3).
5. The totally enclosed lubricated planetary gear reduction motor according to claim 1, wherein: the outer wall of the internal gear (6) is provided with a sealing ring groove, a box body sealing ring (5) is arranged in the sealing ring groove, and the internal gear (6) and the lower pressing plate (4) are matched to compress the box body sealing ring (5).
6. The totally enclosed lubricated planetary gear reduction motor according to claim 1, wherein: the inner wall of the box body (7) is provided with a sealing ring groove, an output shaft sealing ring (9) is arranged in the sealing ring groove, the box body (7) and the upper pressing plate (10) are matched to compress the output shaft sealing ring (9), and the upper pressing plate (10) is arranged in the box body (7).
7. The totally enclosed lubricated planetary gear reduction motor according to claim 1, wherein: the inner gear (6) is connected with the box body (7) through a pin (18).
8. The totally enclosed lubricated planetary gear reduction motor according to claim 1, wherein: the bearing (19) is arranged inside the box body (7) on the outer side of the output shaft (8), the clamp springs (20) are arranged on the outer side, close to one end of the box body (7), of the bearing (19), the axial movement of the output shaft (8) is limited through the clamp springs (20), and two bearings (19) are arranged inside the box body (7) on the outer side of the output shaft (8).
9. The totally enclosed lubricated planetary gear reduction motor according to claim 1, wherein: the motor gear (13), the first-stage planetary gear (14), the planet carrier gear (16), the second-stage planetary gear (17) and the output shaft (8) are speed reduction transmission parts of a planetary speed reduction motor, different speed reduction ratios can be obtained through different speed reduction transmission stages, the transmission stage can be 1-5 stages, and the speed reduction ratio is 3: 1-3125: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010138531.2A CN111156295A (en) | 2020-03-03 | 2020-03-03 | Full-sealed lubrication planetary gear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010138531.2A CN111156295A (en) | 2020-03-03 | 2020-03-03 | Full-sealed lubrication planetary gear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111156295A true CN111156295A (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010138531.2A Pending CN111156295A (en) | 2020-03-03 | 2020-03-03 | Full-sealed lubrication planetary gear motor |
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| Country | Link |
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| CN (1) | CN111156295A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577880A (en) * | 2020-06-01 | 2020-08-25 | 江苏行星重载齿轮箱有限公司 | Lubricating system of planetary gear box |
-
2020
- 2020-03-03 CN CN202010138531.2A patent/CN111156295A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577880A (en) * | 2020-06-01 | 2020-08-25 | 江苏行星重载齿轮箱有限公司 | Lubricating system of planetary gear box |
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