CN111043247A - Speed reducer gear assembly for new energy vehicle - Google Patents
Speed reducer gear assembly for new energy vehicle Download PDFInfo
- Publication number
- CN111043247A CN111043247A CN201911200540.3A CN201911200540A CN111043247A CN 111043247 A CN111043247 A CN 111043247A CN 201911200540 A CN201911200540 A CN 201911200540A CN 111043247 A CN111043247 A CN 111043247A
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- transmission shaft
- gear
- shaft
- assembly
- planetary 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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
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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
- F16H57/08—General details of gearing of gearings with members having orbital motion
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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
- F16H2057/0081—Fixing of, or adapting to transmission failure
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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
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention relates to a gear assembly of a speed reducer for a new energy vehicle, which is used for transmission, and comprises: a housing; a planetary gear reduction mechanism disposed within the housing, the planetary gear reduction mechanism having an input shaft and an output shaft; the input shaft is connected with the engine, the rotating speed is reduced through the planetary gear speed reducing mechanism, the torque is improved, the speed reducer gear assembly for the new energy vehicle further comprises a second speed reducing assembly, the second speed reducing assembly is arranged on the casing and connected with the input shaft and the output shaft, and when the planetary gear speed reducing mechanism stops working, the second speed reducing assembly can transmit the power input by the input shaft to the output shaft. The invention has the advantages that: through setting up the second speed reduction subassembly for when planetary gear reduction mechanism can't normally work, can guarantee that automobile engine still can keep normal power take off, so that the vehicle can carry out emergency treatment.
Description
Technical Field
The invention relates to the field of new energy automobiles, in particular to a speed reducer gear assembly for a new energy automobile.
Background
In the new energy automobile, use the motor to drive, the output of motor often is connected with planetary gear reducer.
The planetary gear reducer is also called a planetary reducer and a servo reducer. In the reducer family, the planetary reducer is widely applied to transmission systems such as servo motors, stepping motors, direct current motors and the like due to the advantages of small size, high transmission efficiency, wide reduction range, high precision and the like. The function of the device is mainly used for reducing the rotating speed, increasing the torque and reducing the rotational inertia ratio of the load/the motor on the premise of ensuring the precision transmission. The main transmission structure of the planetary gear reducer comprises a planet carrier, a planet wheel, a sun wheel, a gear ring and the like.
The planetary reducer is complex in structure and prone to failure, and after the planetary reducer fails, due to the fact that the planetary reducer is integrated, the maintenance difficulty is high, and a professional is required to maintain the planetary reducer, so that long-distance transportation is required after the planetary reducer fails, and application of the planetary reducer is hindered.
Disclosure of Invention
In view of the above, it is necessary to provide a speed reducer gear assembly for a new energy vehicle, which has an additional transmission path so that the normal operation of the vehicle can be ensured even after the planetary gear reducer fails.
The invention provides a gear assembly of a speed reducer for a new energy vehicle, which is used for transmission, and comprises: a housing; the shell comprises a first shell, a second shell and a third shell which are matched with each other, the first shell and the second shell are connected with each other to form a cavity for accommodating the planetary gear speed reducing mechanism, and the third shell is arranged at the tops of the first shell and the second shell;
a planetary gear reduction mechanism disposed within the housing, the planetary gear reduction mechanism having an input shaft and an output shaft; the planetary gear speed reducing mechanism also comprises a sun gear, a planet gear, an outer gear ring and a planet carrier, wherein the outer gear ring and the machine shell are integrally arranged, and the planet carrier and the output shaft are integrally arranged; the input shaft is connected with an engine, and the rotating speed is reduced and the torque is improved through the planetary gear speed reducing mechanism; the speed reducer gear assembly for the new energy vehicle further comprises a second speed reducing assembly, the second speed reducing assembly is arranged on the casing and connected with the input shaft and the output shaft, and when the planetary gear speed reducing mechanism stops working, the second speed reducing assembly can transmit power input by the input shaft to the output shaft.
In one embodiment, the second speed reducing assembly includes a first gear, a second gear, a third gear, a fourth gear, a first transmission shaft, a second transmission shaft, and a clutch mechanism, the first gear is fixedly connected to the input shaft, the first transmission shaft and the second transmission shaft are coaxially and rotatably disposed on the housing, the first gear is disposed on the input shaft, the second gear is disposed on the first transmission shaft, and the first gear is engaged with the second gear, so that the input shaft can drive the first transmission shaft to rotate; the third gear is arranged on the output shaft, the fourth gear is arranged on the second transmission shaft, and the third gear is meshed with the fourth gear, so that the output shaft can drive the second transmission shaft to rotate; the clutch mechanism is disposed between the first transmission shaft and the second transmission shaft, and when the planetary gear reduction mechanism is normally operated, the first transmission shaft and the second transmission shaft are separated from each other, and when the planetary gear reduction mechanism cannot transmit the power of the input shaft to the output shaft, the clutch mechanism connects the first transmission shaft and the second transmission shaft to each other, thereby transmitting the power of the input shaft to the output shaft.
In one embodiment, the clutch mechanism includes a first connecting portion provided to the first transmission shaft and a second connecting portion provided to the second transmission shaft, the first connecting portion and the second connecting portion being separated from each other when the planetary gear reduction mechanism is normally operated, and the first connecting portion and the second connecting portion being connected to each other to transmit rotation of the first transmission shaft to the second transmission shaft when the planetary gear reduction mechanism is stopped.
In one embodiment, the first connecting portion is two opposite protrusions disposed at one end of the first transmission shaft close to the second transmission shaft, the second connecting portion is two opposite protrusions disposed at one end of the second transmission shaft close to the first transmission shaft, the protrusions on the first transmission shaft and the protrusions on the second transmission shaft are alternately matched, and a gap is formed between the protrusions on the first transmission shaft and the protrusions on the second transmission shaft, so that the first transmission shaft is driven by the input shaft to rotate, and the second transmission shaft is driven by the output shaft to rotate.
In one embodiment, a first inclined plane is arranged on the protrusion on the first transmission shaft, a second inclined plane is arranged on the protrusion on the second transmission shaft, and the first inclined plane and the second inclined plane are matched with each other, so that when the first transmission shaft drives the second transmission shaft to rotate, the first inclined plane and the second inclined plane lock the first transmission shaft and the second transmission shaft with each other.
In one embodiment, the second decelerating assembly further includes an elastic member disposed between the first transmission shaft and the second transmission shaft, the elastic member is configured to enable a distance between the first transmission shaft and the second transmission shaft to be maintained, when the first transmission shaft drives the second transmission shaft to rotate, the first inclined surface and the second inclined surface are tightly attached to each other, and the first transmission shaft and the second transmission shaft approach each other and squeeze the elastic member to deform the elastic member.
In one embodiment, the second gear has a larger diameter than the first gear.
In one embodiment, the fourth gear has a larger diameter than the third gear.
In one embodiment, the casing includes a first casing, a second casing and a third casing, wherein the first casing, the second casing and the third casing are mutually matched, the first casing and the second casing are mutually connected to form a cavity for accommodating the planetary gear speed reducing mechanism, and the third casing is mounted on the tops of the first casing and the second casing.
The technical scheme has the advantages that: through setting up the second speed reduction subassembly for when planetary gear reduction mechanism can't normally work, can guarantee that automobile engine still can keep normal power take off, so that the vehicle can carry out emergency treatment.
Drawings
Fig. 1 is a perspective view of a speed reducer gear assembly for a new energy vehicle provided by the invention.
Fig. 2 is an exploded view of a gear assembly of a speed reducer for a new energy vehicle according to the present invention.
Fig. 3 is an exploded view of a partial structure of a second transmission assembly of a speed reducer gear assembly for a new energy vehicle provided by the invention.
Fig. 4 is a working state diagram of a partial structure of a second transmission assembly of the speed reducer gear assembly for the new energy vehicle provided by the invention.
In the figure, the reducer gear assembly 100 for a new energy vehicle, the casing 10, the first casing 11, the riser 111, the second casing 12, the third casing 13, the planetary gear reduction mechanism 20, the input shaft 21, the output shaft 22, the sun gear 23, the planetary gear 24, the outer ring gear 25, the carrier 26, the second reduction assembly 30, the first gear 31, the second gear 32, the third gear 33, the fourth gear 34, the first transmission shaft 35, the second transmission shaft 36, the clutch mechanism 37, the first connection portion 371, the second connection portion 372, and the elastic member 38 are shown.
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.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 and 2, as one embodiment of the present invention, a reducer gear assembly 100 for a new energy vehicle is used for transmission, and the reducer gear assembly 100 for the new energy vehicle includes: a housing 10; a planetary gear reduction mechanism 20 provided in the housing 10, the planetary gear reduction mechanism 20 having an input shaft 21 and an output shaft 22; the input shaft 21 is connected to an engine, the rotation speed is reduced by the planetary gear reduction mechanism 20, and the torque is increased, the speed reducer gear assembly 100 for the new energy vehicle further includes a second speed reduction assembly 30, the second speed reduction assembly 30 is disposed on the casing 10, and is connected to the input shaft 21 and the output shaft 22, and when the planetary gear reduction mechanism 20 stops operating, the second speed reduction assembly 30 can transmit the power input by the input shaft 21 to the output shaft 22.
It will be appreciated that the reduction gear assembly is connected to the engine for reducing the rotational speed of the engine output and increasing the torque, and the provision of the planetary gear reduction mechanism 20 can effectively reduce the rotational speed of the output shaft 22, while the provision of the second reduction assembly 30 can ensure that the engine input can still ensure normal driving of the vehicle in the event of a failure, such as a breakage, of the planetary gear reduction mechanism 20 to stop the transmission.
In this embodiment, referring to fig. 2, the planetary gear speed reduction mechanism 20 further includes a sun gear 23, a planet gear 24, an outer ring gear 25, and a planet carrier 26, the outer ring gear 25 is integrally provided with the casing 10, and the planet carrier 26 is integrally provided with the output shaft 22.
Preferably, the second speed reducing assembly 30 includes a first gear 31, a second gear 32, a third gear 33, a fourth gear 34, a first transmission shaft 35, a second transmission shaft 36, and a clutch mechanism 37, wherein the first gear 31 is fixedly connected to the input shaft 21, the first transmission shaft 35 and the second transmission shaft 36 are coaxially disposed and rotatably disposed on the casing 10, the first gear 31 is disposed on the input shaft 21, the second gear 32 is disposed on the first transmission shaft 35, and the first gear 31 is engaged with the second gear 32, so that the input shaft 21 can drive the first transmission shaft 35 to rotate.
The third gear 33 is disposed on the output shaft 22, the fourth gear 34 is disposed on the second transmission shaft 36, and the third gear 33 is meshed with the fourth gear 34, so that the output shaft 22 can drive the second transmission shaft 36 to rotate; the clutch mechanism 37 is disposed between the first transmission shaft 35 and the second transmission shaft 36, and when the planetary gear reduction mechanism 20 is normally operated, the first transmission shaft 35 is separated from the second transmission shaft 36, and when the planetary gear reduction mechanism 20 cannot transmit the power of the input shaft 21 to the output shaft 22, the clutch mechanism 37 connects the first transmission shaft 35 and the second transmission shaft 36 to each other, thereby transmitting the power of the input shaft 21 to the output shaft 22.
It will be appreciated that the second reduction assembly 30 is provided on the housing 10 by connecting the input shaft 21 with the output shaft 22 to transfer the movement of the input shaft 21 to the movement of the output shaft 22.
It should be noted that, by providing the clutch mechanism 37, the idling of the second speed reducing mechanism can be maintained when the planetary gear speed reducing mechanism 20 is in normal operation, so as to reduce the loss of the second speed reducing mechanism to the output power of the engine, and at the same time, it can be ensured that the second speed reducing mechanism is not excessively worn when the planetary gear speed reducing mechanism 20 is in normal use, so as to ensure the operation duration of the second speed reducing mechanism during transmission.
Preferably, the clutch mechanism 37 includes a first connection portion 371 disposed on the first transmission shaft 35 and a second connection portion 372 disposed on the second transmission shaft 36, the first connection portion 371 and the second connection portion 372 are separated from each other when the planetary gear reduction mechanism 20 is normally operated, and the first connection portion 371 and the second connection portion 372 are connected to each other to transmit the rotation of the first transmission shaft 35 to the second transmission shaft 36 when the planetary gear reduction mechanism 20 is stopped.
It can be understood that, by providing the first connection portion 371 and the second connection portion 372 and maintaining the separated state of the first connection portion 371 and the second connection portion 372, the first transmission shaft 35 and the second transmission shaft 36 are in an independent rotation state in daily work, i.e., maintain an idle rotation state, respectively, to reduce energy loss and reduce wear between the first transmission shaft and the second transmission shaft.
It is to be understood that when the planetary gear speed reduction mechanism 20 is normally operated, the first transmission shaft 35 is rotated by the input shaft 21, and the second transmission shaft 36 is rotated by the output shaft 22.
Preferably, the first connection portion 371 is disposed on two opposite protrusions at one end of the first transmission shaft 35 close to the second transmission shaft 36, the second connection portion 372 is disposed on two opposite protrusions at one end of the second transmission shaft 36 close to the first transmission shaft 35, the protrusions on the first transmission shaft 35 and the protrusions on the second transmission shaft 36 are alternatively matched, and a gap is formed between the protrusions on the first transmission shaft 35 and the protrusions on the second transmission shaft 36, so that the first transmission shaft 35 is driven by the input shaft 21 to rotate, and the second transmission shaft 36 is driven by the output shaft 22 to rotate.
It should be noted that a gap is formed between the protrusion on the first transmission shaft 35 and the second transmission shaft 36, and a gap is also formed between the protrusion on the first transmission shaft 35 and the protrusion on the second transmission shaft 36.
As shown in fig. 3 and 4, preferably, a first inclined plane is disposed on the protrusion on the first transmission shaft 35, a second inclined plane is disposed on the protrusion on the second transmission shaft 36, and the first inclined plane and the second inclined plane are matched with each other, so that when the first transmission shaft 35 drives the second transmission shaft 36 to rotate, the first inclined plane and the second inclined plane lock the first transmission shaft 35 and the second transmission shaft 36 to each other.
It can be understood that, by providing the first inclined surface and the second inclined surface, when the first transmission shaft 35 drives the second transmission shaft 36 to rotate, the stable connection between the first transmission shaft 35 and the second transmission shaft 36 is maintained.
Preferably, the second decelerating assembly 30 further includes an elastic member 38 disposed between the first transmission shaft 35 and the second transmission shaft 36, the elastic member 38 enables a distance between the first transmission shaft 35 and the second transmission shaft 36, when the first transmission shaft 35 drives the second transmission shaft 36 to rotate, the first inclined surface and the second inclined surface cling to each other, the first transmission shaft 35 and the second transmission shaft 36 approach each other and press the elastic member 38, so that the elastic member 38 deforms.
It should be noted that, by arranging the elastic member 38 between the first transmission shaft 35 and the second transmission shaft 36, the distance between the first transmission shaft 35 and the second transmission shaft 36 is kept in the non-transmission state, and because the distance between the first transmission shaft 35 and the second transmission shaft 36 is kept, when the transmission state is entered, the protrusions on the first transmission shaft 35 and the protrusions on the second transmission shaft 36 collide violently, and by arranging the elastic member 38 between the first transmission shaft 35 and the second transmission shaft 36, the violence of the collision can be effectively reduced, and the kinetic energy generated by the collision is absorbed by the elastic member 38 in an elastic deformation manner, so as to prevent the first transmission shaft 35 and the second transmission shaft 36 from being damaged.
Preferably, the second gear 32 is larger in diameter than the first gear 31.
Preferably, the fourth gear 34 has a larger diameter than the third gear 33.
It will be appreciated that the second gear 32 is larger in diameter than the first gear 31, and the fourth gear 34 is larger in diameter than the third gear 33, and is capable of reducing the rotational speed.
Preferably, the housing includes a first housing, a second housing and a third housing 13 which are fitted to each other.
It should be noted that the first housing and the second housing are connected to each other to form a cavity for accommodating the planetary gear reduction mechanism 20, and the third housing 13 is mounted on top of the first housing and the second housing.
As shown in fig. 2, a vertical plate 111 is further disposed on the first housing 11, and one end of the first transmission shaft 35 is rotatably disposed on the vertical plate 111.
It should be noted that, in the present invention, the joint of each transmission shaft and the support portion is provided with a bearing, and the arrangement of the bearing can be realized by those skilled in the art using conventional technical knowledge, which is not described in detail in the present application.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides an automobile-used speed reducer gear subassembly of new forms of energy for the transmission, its characterized in that, the automobile-used speed reducer gear subassembly of new forms of energy include:
a housing; the shell comprises a first shell, a second shell and a third shell which are matched with each other, the first shell and the second shell are connected with each other to form a cavity for accommodating the planetary gear speed reducing mechanism, and the third shell is arranged at the tops of the first shell and the second shell;
a planetary gear reduction mechanism disposed within the housing, the planetary gear reduction mechanism having an input shaft and an output shaft; the planetary gear speed reducing mechanism also comprises a sun gear, a planet gear, an outer gear ring and a planet carrier, wherein the outer gear ring and the machine shell are integrally arranged, and the planet carrier and the output shaft are integrally arranged; the input shaft is connected with an engine, and the rotating speed is reduced and the torque is improved through the planetary gear speed reducing mechanism;
the speed reducer gear assembly for the new energy vehicle further comprises a second speed reducing assembly, the second speed reducing assembly is arranged on the casing and connected with the input shaft and the output shaft, and when the planetary gear speed reducing mechanism stops working, the second speed reducing assembly can transmit power input by the input shaft to the output shaft.
2. The reduction gear assembly for the new energy vehicle according to claim 1, wherein the second reduction assembly comprises a first gear, a second gear, a third gear, a fourth gear, a first transmission shaft, a second transmission shaft, and a clutch mechanism, the first gear is fixedly connected to the input shaft, the first transmission shaft and the second transmission shaft are coaxially and rotatably disposed on the housing, the first gear is disposed on the input shaft, the second gear is disposed on the first transmission shaft, and the first gear is engaged with the second gear, so that the input shaft can drive the first transmission shaft to rotate; the third gear is arranged on the output shaft, the fourth gear is arranged on the second transmission shaft, and the third gear is meshed with the fourth gear, so that the output shaft can drive the second transmission shaft to rotate; the clutch mechanism is disposed between the first transmission shaft and the second transmission shaft, and when the planetary gear reduction mechanism is normally operated, the first transmission shaft and the second transmission shaft are separated from each other, and when the planetary gear reduction mechanism cannot transmit the power of the input shaft to the output shaft, the clutch mechanism connects the first transmission shaft and the second transmission shaft to each other, thereby transmitting the power of the input shaft to the output shaft.
3. The reduction gear assembly for a new energy vehicle according to claim 2, wherein the clutch mechanism includes a first connecting portion provided to the first transmission shaft and a second connecting portion provided to the second transmission shaft, the first connecting portion and the second connecting portion being separated from each other when the planetary gear reduction mechanism is normally operated, and the first connecting portion and the second connecting portion being connected to each other to transmit the rotation of the first transmission shaft to the second transmission shaft when the planetary gear reduction mechanism is stopped.
4. The gear assembly for the new energy vehicle speed reducer according to claim 3, wherein the first connecting portion is two protrusions oppositely disposed at one end of the first transmission shaft close to the second transmission shaft, the second connecting portion is two protrusions oppositely disposed at one end of the second transmission shaft close to the first transmission shaft, the protrusions on the first transmission shaft and the protrusions on the second transmission shaft are alternately matched, and a gap is formed between the protrusions on the first transmission shaft and the protrusions on the second transmission shaft, so that the first transmission shaft is driven by the input shaft to rotate, and the second transmission shaft is driven by the output shaft to rotate.
5. The gear assembly of the new energy vehicle speed reducer according to claim 4, wherein a first inclined surface is provided on the protrusion on the first transmission shaft, a second inclined surface is provided on the protrusion on the second transmission shaft, and the first inclined surface and the second inclined surface are engaged with each other, so that when the first transmission shaft drives the second transmission shaft to rotate, the first inclined surface and the second inclined surface lock the first transmission shaft and the second transmission shaft with each other.
6. The gear assembly of the new energy vehicle speed reducer according to claim 5, wherein the second speed reducer further comprises an elastic member disposed between the first transmission shaft and the second transmission shaft, the elastic member is configured to allow a gap between the first transmission shaft and the second transmission shaft, when the first transmission shaft drives the second transmission shaft to rotate, the first inclined surface and the second inclined surface are closely attached to each other, and the first transmission shaft and the second transmission shaft approach each other and press the elastic member, so that the elastic member deforms.
7. The reduction gear assembly for the new energy vehicle of claim 2, wherein the second gear diameter is larger than the first gear.
8. The reduction gear assembly for the new energy vehicle of claim 2, wherein the fourth gear is larger in diameter than the third gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911200540.3A CN111043247A (en) | 2019-11-29 | 2019-11-29 | Speed reducer gear assembly for new energy vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911200540.3A CN111043247A (en) | 2019-11-29 | 2019-11-29 | Speed reducer gear assembly for new energy vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111043247A true CN111043247A (en) | 2020-04-21 |
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ID=70234191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911200540.3A Pending CN111043247A (en) | 2019-11-29 | 2019-11-29 | Speed reducer gear assembly for new energy vehicle |
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| Country | Link |
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| CN (1) | CN111043247A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111719826A (en) * | 2020-07-02 | 2020-09-29 | 符建波 | Automatic paint spraying robot for building wall surface |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4848188A (en) * | 1987-03-30 | 1989-07-18 | Schumacher Larry L | Momentum compensated actuator with redundant drive motors |
| CN102943845A (en) * | 2012-11-30 | 2013-02-27 | 哈尔滨工业大学 | Redundancy transmission mechanism for spacecraft |
| CN103573938A (en) * | 2012-06-22 | 2014-02-12 | 通用汽车环球科技运作有限责任公司 | Multi-speed transmission |
| CN203756874U (en) * | 2014-02-17 | 2014-08-06 | 中国电子科技集团公司第二十一研究所 | Dual-redundancy planetary gear transmission mechanism |
| CN105626781A (en) * | 2014-10-31 | 2016-06-01 | 王小勇 | Redundant transmission mechanism |
| US20180017153A1 (en) * | 2016-02-16 | 2018-01-18 | Bell Helicopter Textron Inc. | Flange-Mounted Ring Gear for Improved Heat Management |
| CN208793527U (en) * | 2018-10-08 | 2019-04-26 | 浙江泓林新能源科技有限公司 | A kind of planetary gear speed reducing mechanism for electric vehicle truck |
| CN208982622U (en) * | 2018-08-28 | 2019-06-14 | 宁波智启机电有限公司 | A kind of tube shaped electric machine deceleration mechanism with arrangement of clutch |
-
2019
- 2019-11-29 CN CN201911200540.3A patent/CN111043247A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4848188A (en) * | 1987-03-30 | 1989-07-18 | Schumacher Larry L | Momentum compensated actuator with redundant drive motors |
| CN103573938A (en) * | 2012-06-22 | 2014-02-12 | 通用汽车环球科技运作有限责任公司 | Multi-speed transmission |
| CN102943845A (en) * | 2012-11-30 | 2013-02-27 | 哈尔滨工业大学 | Redundancy transmission mechanism for spacecraft |
| CN203756874U (en) * | 2014-02-17 | 2014-08-06 | 中国电子科技集团公司第二十一研究所 | Dual-redundancy planetary gear transmission mechanism |
| CN105626781A (en) * | 2014-10-31 | 2016-06-01 | 王小勇 | Redundant transmission mechanism |
| US20180017153A1 (en) * | 2016-02-16 | 2018-01-18 | Bell Helicopter Textron Inc. | Flange-Mounted Ring Gear for Improved Heat Management |
| CN208982622U (en) * | 2018-08-28 | 2019-06-14 | 宁波智启机电有限公司 | A kind of tube shaped electric machine deceleration mechanism with arrangement of clutch |
| CN208793527U (en) * | 2018-10-08 | 2019-04-26 | 浙江泓林新能源科技有限公司 | A kind of planetary gear speed reducing mechanism for electric vehicle truck |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111719826A (en) * | 2020-07-02 | 2020-09-29 | 符建波 | Automatic paint spraying robot for building wall surface |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 389 Rongji Road, Luotuo Industrial Zone, Zhenhai District, Ningbo City, Zhejiang Province Applicant after: Zhejiang Xiaxia Precision Manufacturing Co.,Ltd. Address before: 389 Rongji Road, Luotuo Industrial Zone, Zhenhai District, Ningbo City, Zhejiang Province Applicant before: NINGBO XIASHA GEARS Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200421 |