CN110332282A - Rotating assembly, retarder and vehicle - Google Patents
Rotating assembly, retarder and vehicle Download PDFInfo
- Publication number
- CN110332282A CN110332282A CN201910741247.1A CN201910741247A CN110332282A CN 110332282 A CN110332282 A CN 110332282A CN 201910741247 A CN201910741247 A CN 201910741247A CN 110332282 A CN110332282 A CN 110332282A
- Authority
- CN
- China
- Prior art keywords
- gear
- bearing
- rotating assembly
- sleeve
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 241000883990 Flabellum Species 0.000 claims abstract description 41
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000000465 moulding Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 6
- 238000005461 lubrication Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000003763 carbonization Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008111 motor development Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
-
- 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
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
- F16H57/0416—Air cooling or ventilation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention provides a kind of rotating assembly, retarder and vehicle.Wherein rotating assembly, including first rotating shaft, first bearing, the first bearing is socketed at least one end of the first rotating shaft, there is first gear on the axis body of the first rotating shaft, it further include positioning shaft sleeve, the positioning shaft sleeve is set on the axis body between the first bearing and the first gear, the positioning shaft sleeve includes sleeve, multiple first flabellums on the peripheral wall of the sleeve, multiple first flabellum extending radially outwardly along the sleeve, and the pressure face of the multiple first flabellum is towards the first bearing side.A kind of rotating assembly, retarder and vehicle according to the present invention are lubricated to first bearing by the first flabellum being arranged on positioning shaft sleeve and realize heat dissipation, effectively prevent bearing failure, extend bearing service life.
Description
Technical field
The invention belongs to retarder manufacturing technology fields, and in particular to a kind of rotating assembly, retarder and vehicle.
Background technique
In recent years, new energy pure electric automobile was quickly grown, requirement control while technology is more and more mature to cost
Increasingly highlight.To realize high efficiency, cost effective, new-energy automobile driving motor revolving speed increasingly high speed is correspondingly wanted
Ask its matched retarder also with high-speed motor development.But it after double reduction gear high speed, adopts merely
The lubrication needs of retarder inner components, the especially support of both ends of the shaft can be no longer fully met with existing lubrication of splashing
Bearing lubrication oil mass wretched insufficiency, and at the operating bearing of shaft due to do not obtain enough lubricate cause heat to gather, axis
Glued, carbonization easily occurs for the consequent pole that is rotatably assorted such as bearing roller, seriously reduces the service life of bearing or even retarder, bearing loses
Imitate probability multiplication.The transmission connection relationship of the inside rotating assembly of retarder in the prior art is shown in Fig. 1, including input turns
Shaft assembly 100 ', intermediate transmission rotating assembly 200 ', output revolving shaft component 300 ', external rotary driving source such as high-speed motor with
The input rotating assembly 100 ' is drivingly connected and drives its rotation, inputs rotating assembly 100 ', intermediate transmission rotating assembly
Tooth engagement connects between 200 ', and tooth engagement connects between the intermediate transmission rotating assembly 200 ', output revolving shaft component 300 ', from
And by the high revolving speed of high-speed motor slow down for the output revolving shaft component 300 ' the slow-speed of revolution and drive control object with lower turn
Speed rotation.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that providing a kind of rotating assembly, retarder and vehicle, pass through positioning
The first flabellum being arranged on axle sleeve is lubricated to first bearing and realizes heat dissipation, and bearing failure, extension bearing is effectively prevent to make
Use the service life.
To solve the above-mentioned problems, the present invention provides a kind of rotating assembly, including first rotating shaft, first bearing, and described
One bearing is socketed at least one end of the first rotating shaft, has first gear on the axis body of the first rotating shaft, further includes fixed
Position axle sleeve, the positioning shaft sleeve are set on the axis body between the first bearing and the first gear, the positioning shaft sleeve
Including sleeve, multiple first flabellums on the peripheral wall of the sleeve, multiple first flabellums along the sleeve radially outward
Extend, and the pressure face of the multiple first flabellum is towards the first bearing side.
Preferably, the first gear and the first rotating shaft are integrally formed.
Preferably, the positioning shaft sleeve is moulding.
Preferably, the positioning shaft sleeve is two, and two positioning shaft sleeves are located respectively along the axial direction of the first rotating shaft
In the two sides of the first gear.
The present invention also provides a kind of retarders, including above-mentioned rotating assembly.
Preferably, the rotating assembly is input rotating assembly.
Preferably, the retarder further includes intermediate transmission rotating assembly, and the intermediate transmission rotating assembly includes second
Gear, the second gear engage connection with the first gear, and the second gear includes teeth portion, shaft socket part, described
Also there are multiple second flabellums between teeth portion and the shaft socket part.
Preferably, the intermediate transmission rotating assembly further includes third gear, second bearing, and the second gear is set in
At least partly second fan on axis body between the second bearing and the third gear, in the multiple second flabellum
The pressure face of leaf is towards the third gear.
The present invention also provides a kind of vehicles, including above-mentioned retarder.
A kind of rotating assembly, retarder and vehicle provided by the invention, due to being set in the peripheral side of traditional positioning shaft sleeve
First flabellum has been set, when the rotating assembly receives driving rotation, the positioning shaft sleeve will have been driven to rotate, Jin Er
First flabellum is formed about the flowing of air-flow, since the pressure face of the first flabellum is toward the first bearing, rotation
The first flabellum turned can will form cooling air-flow to the first bearing, and then can be improved the heat dissipation effect of the first bearing
Rate and heat dissipation effect effectively prevent at first bearing even rotating due to the excessively high caused lubricating oil carbonization of high-speed rotating heat
Secondary scuffing failure phenomenon generates, and extends the service life of the first bearing；Further, the first flabellum of rotation can also incite somebody to action
The lubricating oil being splashed on its pressure face is got rid of to first bearing, so as to realize forced feed lubrication to the first bearing, this
It is also beneficial to the extension to first bearing service life.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of retarder in the prior art；
Fig. 2 is the structural schematic diagram of the rotating assembly of the embodiment of the present invention；
Fig. 3 is the decomposition texture schematic diagram of the rotating assembly of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of positioning shaft sleeve in Fig. 2；
Fig. 5 is the schematic diagram of internal structure of the retarder of another embodiment of the present invention；
Fig. 6 is the structural schematic diagram of second gear in Fig. 5.
Appended drawing reference indicates are as follows:
1, first rotating shaft；2, first gear；3, first bearing；4, positioning shaft sleeve；41, sleeve；42, the first flabellum；100,
Input rotating assembly；200, intermediate transmission rotating assembly；201, second gear；202, teeth portion；203, shaft socket part；204,
Two flabellums；205, second bearing；206, third gear；300, output revolving shaft component；100 ', rotating assembly is inputted；200 ', intermediate
Drive shaft component；300 ', output revolving shaft component.
Specific embodiment
In conjunction with to shown in Fig. 6, according to an embodiment of the invention, providing a kind of rotating assembly, being installed in retarder referring to fig. 2
In, including first rotating shaft 1, first bearing 3, the first bearing 3 be socketed at least one end of the first rotating shaft 1, for pair
The first rotating shaft 1, which is formed, supports and guarantees that the first rotating shaft 1 can generate rotary motion, the first rotating shaft around its axis
There is first gear 2, it further includes fixed that the first gear 2, which is set with or is integrally formed with the first rotating shaft 1, on 1 axis body
Position axle sleeve 4, the positioning shaft sleeve 4 are set on the axis body between the first bearing 3 and the first gear 2, for institute
State first bearing 3 and positioned in the axial direction of the first rotating shaft 1 with the first gear 2, prevent the first bearing 3 with
Axial float between the first gear 2, as shown in figure 4, the positioning shaft sleeve 4 includes sleeve 41, the week of the sleeve 41
Wall is equipped with multiple spaced first flabellums 42, multiple first flabellum 42 radially outward prolonging along the sleeve 41
It stretches, and the pressure face of the multiple first flabellum 42 is towards 3 side of first bearing, herein it should be noted that described
One flabellum 42 can be designed in the design of specific structure according to flabellum in the prior art namely it has and is oppositely arranged
The pressure face and suction surface, specifically, the pressure face be fluid (such as air-flow or lubricating oil) can be generated it is remote
That side of thrust from first flabellum 42, and suction surface can be generated fluid adsorption towards first fan
That side of the suction of leaf 42, this is directed to for traditional aerofoil fan, pressure face for outlet air and suction surface be used for into
Wind.In the technical solution, due to being provided with first flabellum 42 in the peripheral side of traditional positioning shaft sleeve, when the shaft group
When part receives driving rotation, the positioning shaft sleeve 4 will be driven to rotate, and then be formed about air-flow in first flabellum 42
Flowing, since the pressure face of the first flabellum 42 is toward the first bearing 3, the first flabellum 42 of rotation can will be right
The first bearing 3 forms cooling air-flow, and then can be improved the radiating efficiency and heat dissipation effect of the first bearing 3, effectively
It prevents at first bearing 3 since the excessively high caused lubricating oil carbonization even revolute scuffing failure phenomenon of high-speed rotating heat produces
It is raw, extend the service life of the first bearing 3；Further, the first flabellum 42 of rotation can also will be splashed to its pressure
Lubricating oil on face is got rid of to first bearing 3, and so as to realize forced feed lubrication to the first bearing 3, this is also beneficial to pair
The extension of 3 service life of first bearing.
Preferably, the first gear 2 is integrally formed with the first rotating shaft 1, will be described using integrally formed mode
The diameter that the mode that first gear 2 is configured on the axis body of the first rotating shaft 1 is particularly suitable for the first gear 2 is lesser
In the case of, this can prevent the connection type using suit, deficiency of the first gear 2 in structural strength.
Preferably, the positioning shaft sleeve 4 is moulding, the sleeve 41 and the first fan that the positioning shaft sleeve 4 at this time has
Leaf 42 is made by injection molding manner to be formed, and the process of flabellum is simplified, and it is understood that corresponding at this time described first turn
The corresponding positioning shaft shoulder of best relative configurations (in the axial ends of the first gear 2) on the axis body of axis 1, to realize to both ends
The first bearing 3 positioning, undertake the xial feed of the first rotating shaft 1, and the positioning shaft sleeve 4 at this time due to for
Moulding is then set in the positioning shaft shoulder.
Preferably, the positioning shaft sleeve 4 is two, axial direction difference of two positioning shaft sleeves 4 along the first rotating shaft 1
Two sides in the first gear 2.
According to an embodiment of the invention, a kind of retarder is also provided, including above-mentioned rotating assembly, specifically, described subtract
Fast device includes cabinet (not shown go out), be provided in the cabinet input rotating assembly 100, intermediate transmission rotating assembly 200 and
Output revolving shaft component 300, wherein input rotating assembly 100 be power input shaft, with external impetus driving source (such as high speed electricity
Machine) it is drivingly connected, rotating assembly of the rotating assembly 100 as high speed rotating shaft preferably using the above structure is inputted, by described
Positioning shaft sleeve 4 with flabellum carries out wind-cooling heat dissipating and pressure to the first bearing 3 in input 100 both ends of rotating assembly
Lubrication effectively prevent the unfavorable phenomenon such as bearing failure to occur.
The intermediate transmission rotating assembly 200 includes second gear 201, the second gear 201 and the first gear 2
Engagement connection, the second gear 201 include teeth portion 202, shaft socket part 203, the teeth portion 202 and the shaft socket part
203 also have teeth portion 202 in the prior art and shaft socket part 203 in multiple second flabellums 204 namely the technical solution
Between flat web be improved to the application the second flabellum 204 formed flabellum web, the second gear 201 can be promoted neighbouring
The air in region flows, and improves the heat dissipation effect of corresponding region inner part, it is preferable that the multiple second flabellum 204 is along institute
State the circumferential uniform intervals setting of shaft socket part 203.
Preferably, the intermediate transmission rotating assembly 200 further includes third gear 206, second bearing 205, and described second
Gear 201 is set on the axis body between the second bearing 205 and the third gear 206, the multiple second fan
The pressure face of at least partly the second flabellum 204 in leaf 204 is towards the third gear 206, it is to be understood that the third
Gear 206 and the second gear 201 are coaxial, and the low speed that the third gear 206 and the output revolving shaft component 300 have
Grade gear engagement, the third gear 206 are disposed proximate to the second gear 201, and therefore, second flabellum 204 will produce
Raw certain air quantity is that slow speed turbine stage gear pair engagement place is radiated, while can be got rid of parts of lubricating oil to slow speed turbine stage gear teeth face,
The gluing of gear teeth face when overloaded is prevented or mitigated.
According to an embodiment of the invention, a kind of vehicle is also provided, including above-mentioned retarder.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.Above only
It is the preferred embodiment of the present invention, it is noted that for those skilled in the art, do not departing from this hair
Under the premise of bright technical principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as guarantor of the invention
Protect range.
Claims (9)
1. a kind of rotating assembly, including first rotating shaft (1), first bearing (3), the first bearing (3) are socketed on described first
At least one end of shaft (1) has first gear (2) on the axis body of the first rotating shaft (1), further includes positioning shaft sleeve (4), institute
It states on the axis body that positioning shaft sleeve (4) is set between the first bearing (3) and the first gear (2), which is characterized in that institute
Stating positioning shaft sleeve (4) includes sleeve (41), and the peripheral wall of the sleeve (41) is equipped with multiple first flabellums (42), and multiple described the
One flabellum (42) extending radially outwardly along the sleeve (41), and the pressure face of the multiple first flabellum (42) is towards institute
State first bearing (3) side.
2. rotating assembly according to claim 1, which is characterized in that the first gear (2) and the first rotating shaft (1)
It is integrally formed.
3. rotating assembly according to claim 1, which is characterized in that the positioning shaft sleeve (4) is moulding.
4. rotating assembly according to claim 1, which is characterized in that the positioning shaft sleeve (4) is two, and two described fixed
Position axle sleeve (4) is respectively at the two sides of the first gear (2) along the axial direction of the first rotating shaft (1).
5. a kind of retarder, including rotating assembly, which is characterized in that the rotating assembly is any one of claims 1 to 4 institute
The rotating assembly stated.
6. retarder according to claim 5, which is characterized in that the rotating assembly is input rotating assembly (100).
7. retarder according to claim 6, which is characterized in that further include intermediate transmission rotating assembly (200), it is described in
Between drive shaft component (200) include second gear (201), the second gear (201) and the first gear (2) company of engagement
It connects, the second gear (201) includes teeth portion (202), shaft socket part (203), and the teeth portion (202) and the shaft are socketed
Also there are multiple second flabellums (204) between portion (203).
8. retarder according to claim 7, which is characterized in that the intermediate transmission rotating assembly (200) further includes
Three gears (206), second bearing (205), the second gear (201) are set in the second bearing (205) and the third
On axis body between gear (206), the pressure face of the multiple second flabellum (204) is towards the third gear (206).
9. a kind of vehicle, including retarder, which is characterized in that the retarder is to subtract described in any one of claim 5-8
Fast device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910741247.1A CN110332282A (en) | 2019-08-12 | 2019-08-12 | Rotating assembly, retarder and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910741247.1A CN110332282A (en) | 2019-08-12 | 2019-08-12 | Rotating assembly, retarder and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110332282A true CN110332282A (en) | 2019-10-15 |
Family
ID=68149438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910741247.1A Pending CN110332282A (en) | 2019-08-12 | 2019-08-12 | Rotating assembly, retarder and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110332282A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296201A (en) * | 2019-08-12 | 2019-10-01 | 珠海格力电器股份有限公司 | Gear, rotating assembly, retarder and vehicle |
| CN112247974A (en) * | 2020-10-13 | 2021-01-22 | 常熟市天博金属制品有限公司 | Special axis of rotation of mechanical tongs |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202659870U (en) * | 2012-06-29 | 2013-01-09 | 新兴重工湖北三六一一机械有限公司 | Transmission shaft for gear box |
| CN206503914U (en) * | 2016-12-24 | 2017-09-19 | 邵阳学院 | It is a kind of can automatic heat radiation and the decelerator that can eliminate the noise |
| CN108506458A (en) * | 2018-04-11 | 2018-09-07 | 朱玲 | A kind of high purity carbon fiberreinforced automobile transmission gear |
| CN108757841A (en) * | 2018-07-30 | 2018-11-06 | 浙江顺天传动科技股份有限公司 | Turntable special reduction gear |
| CN208535096U (en) * | 2018-06-11 | 2019-02-22 | 宁波市鄞州荣利金属制品有限公司 | A kind of turbine and worm reduction gearbox |
| CN110296201A (en) * | 2019-08-12 | 2019-10-01 | 珠海格力电器股份有限公司 | Gear, rotating assembly, retarder and vehicle |
| CN210371844U (en) * | 2019-08-12 | 2020-04-21 | 珠海格力电器股份有限公司 | Rotating shaft assembly, speed reducer and vehicle |
| CN210371919U (en) * | 2019-08-12 | 2020-04-21 | 珠海格力电器股份有限公司 | Gear, pivot subassembly, reduction gear and vehicle |
-
2019
- 2019-08-12 CN CN201910741247.1A patent/CN110332282A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202659870U (en) * | 2012-06-29 | 2013-01-09 | 新兴重工湖北三六一一机械有限公司 | Transmission shaft for gear box |
| CN206503914U (en) * | 2016-12-24 | 2017-09-19 | 邵阳学院 | It is a kind of can automatic heat radiation and the decelerator that can eliminate the noise |
| CN108506458A (en) * | 2018-04-11 | 2018-09-07 | 朱玲 | A kind of high purity carbon fiberreinforced automobile transmission gear |
| CN208535096U (en) * | 2018-06-11 | 2019-02-22 | 宁波市鄞州荣利金属制品有限公司 | A kind of turbine and worm reduction gearbox |
| CN108757841A (en) * | 2018-07-30 | 2018-11-06 | 浙江顺天传动科技股份有限公司 | Turntable special reduction gear |
| CN110296201A (en) * | 2019-08-12 | 2019-10-01 | 珠海格力电器股份有限公司 | Gear, rotating assembly, retarder and vehicle |
| CN210371844U (en) * | 2019-08-12 | 2020-04-21 | 珠海格力电器股份有限公司 | Rotating shaft assembly, speed reducer and vehicle |
| CN210371919U (en) * | 2019-08-12 | 2020-04-21 | 珠海格力电器股份有限公司 | Gear, pivot subassembly, reduction gear and vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296201A (en) * | 2019-08-12 | 2019-10-01 | 珠海格力电器股份有限公司 | Gear, rotating assembly, retarder and vehicle |
| CN112247974A (en) * | 2020-10-13 | 2021-01-22 | 常熟市天博金属制品有限公司 | Special axis of rotation of mechanical tongs |
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