CN106763292B - A kind of electromagnetic clutch - Google Patents
A kind of electromagnetic clutch Download PDFInfo
- Publication number
- CN106763292B CN106763292B CN201611268240.5A CN201611268240A CN106763292B CN 106763292 B CN106763292 B CN 106763292B CN 201611268240 A CN201611268240 A CN 201611268240A CN 106763292 B CN106763292 B CN 106763292B
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- Prior art keywords
- bearing
- electromagnetic clutch
- oil
- shell
- outer separator
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Classifications
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/14—Details
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
-
- 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
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The present invention provides a kind of electromagnetic clutch, belong to Clutch Technology field.It solves lubricating grease in existing clutch and is readily injected into excessively and the technical problems such as spilling.This electromagnetic clutch includes shell, there is bearing chamber in shell, bearing is equipped in bearing chamber, the oil filler point along shell radial direction is offered on shell, outer separator is additionally provided in bearing chamber, the shoe cream room being connected with Bearing inner is equipped in outer separator, the outer surface of outer separator is equipped with the Oil Guide channel being connected with oil filler point, the fuel feed hole in connection Oil Guide channel and shoe cream room is offered on outer separator；Oil filler point and fuel feed hole stagger setting.By the way that Oil Guide channel is arranged in the present invention, the inflow path of lubricating oil or lubrication is set to greatly prolong, the viscosity of grease can be utilized to form adhesion strength in longer Oil Guide vias inner walls in this way, increase fill cup hydraulic, the spillover for effectivelying prevent the grease injected into shoe cream room excessively to occur.
Description
Technical field
The invention belongs to Clutch Technology fields, are related to a kind of electromagnetic clutch.
Background technology
Clutch is similar to switch, and active part can be temporarily separated with secondary part, and can gradually be engaged, and
It to be also possible to relatively rotate in transmission process, be transmitted to play the role of engagement or dialysis power, the active of clutch
Rigidity not can be used between part and driven member to contact.Any type of automobile has clutch apparatus, and only form is different,
Automobile, motorcycle field clutch be usually located in the bell housing between engine and gearbox, it is with screw that clutch is total
At being fixed in the rear plane of flywheel, the output shaft of clutch is exactly the input shaft of gearbox, in vehicle traveling process, according to
It needs to make engine be temporarily separated with gearbox and gradually engage using clutch, it is defeated to speed changer to cut off or transmit engine
The power entered.Clutch is the common components in machine driving, transmission system can be detached or be engaged at any time, due in clutch
It is connected with shaft, is typically provided with bearing, and it also requires injection lubricating oil or lubricating grease reduce friction.Electromagnetic clutch leans on coil
Power on/off come the engagement for controlling clutch and a kind of clutch for detaching.
Chinese patent (notification number：CN203463519U, publication date：It 2014-03-05) discloses one kind and being used for wind-light-electricity certainly
Electromagnetic clutch with refueling device, including electromagnetic clutch ontology, electromagnetic clutch ontology include yoke, and yoke side is equipped with
Baffle, baffle side are equipped with armature, and armature is connected with coupling flange, and electromagnetic clutch ontology is connected with master by bearing assembly
Axis, bearing assembly include bearing chamber and are connected with oil syringe, oiling by oil fuel tube on the indoor bearing of bearing, bearing chamber
The upper end of device installs the chemical reaction chamber of a sealing additional.
Oil fuel tube is directly connected with bearing chamber by oil filler point in above patent document, using oil fuel tube into bearing chamber
When oiling, it is not easy to control, to which the lubricating grease spillover that lubricating grease injection is excessive and occurs can be caused, to entire clutch
It damages.
Invention content
The present invention existing above problem in view of the prior art, provides a kind of electromagnetic clutch, the present invention to be solved
The technical issues of be：The lubricating grease in electromagnetic clutch in shoe cream room how is effectively prevent to inject lubrication seborrhea that is excessive and occurring
Go out to damage clutch phenomenon.
Object of the invention can be realized by the following technical scheme：
A kind of electromagnetic clutch, the electromagnetic clutch include shell, have bearing chamber, the bearing chamber in the shell
It is interior to be equipped with bearing, offer the oil filler point along shell radial direction on the shell, which is characterized in that be additionally provided in the bearing chamber outer
Spacer, the outer separator is interior to be equipped with the shoe cream room being connected with the Bearing inner, and the outer surface of the outer separator is equipped with and institute
The Oil Guide channel that oil filler point is connected is stated, the oil inlet for being connected to the Oil Guide channel and the shoe cream room is offered on the outer separator
Hole；The oil filler point and the fuel feed hole stagger setting.
Its operation principle is as follows：The agent structure of this electromagnetic clutch and electromagnetic clutch in the prior art substantially phase
Together, shaft is connected in the technical program middle (center) bearing, the long-time of bearing runs at high speed, and needs continual lubricating oil or profit
Consistent lubricant is lubricated, and shell is set on outer separator and bearing, and the shoe cream room in outer separator is for storing lubricating oil or lubrication
Fat, lubricating oil or lubricating grease can be entered in bearing and is lubricated to it, play the role of reducing friction and abrasion；In shell
On oil filler point at be also associated with oil nozzle, inject lubricating oil to shoe cream room or when lubricating grease, lubricating oil or lubricating grease be successively from oil
Shoe cream room is entered back into after mouth, oil filler point, Oil Guide channel and fuel feed hole, directly and shoe cream room with oil nozzle in traditional clutch
Connected structure is compared, and the inflow path of entire lubricating oil or lubricating grease greatly prolongs in the technical program, can utilize in this way
Adhesion strength is formed between the viscosity of grease, with longer Oil Guide vias inner walls, increases fill cup hydraulic, this resistance adds oil storage
Intracavitary lubricating oil or lubricating grease have one's bosom filled with after internal pressure, just can effectively prevent the entrance of lubricating oil or lubricating grease, to effectively
It avoids because oil mass inside shoe cream room can not be pried through, and the spillover that the grease injected into shoe cream room excessively occurs.
In above-mentioned electromagnetic clutch, the outer surface of the outer separator and the madial wall of the shell seal against, institute
State that Oil Guide channel is the groove being opened on the outer separator outer surface and the groove is circumferentially disposed along the outer separator.In this way
Facilitate processing and assembling, the madial wall of groove and shell can form closed Oil Guide channel, to increase lubricating oil or lubrication
The circulation path of fat, increases pressure when oiling, and can be fitted when injecting into shoe cream room lubricating oil or lubricating grease by oil filler point can
And stop, effectively avoid injection from excessively spillover occur.
In above-mentioned electromagnetic clutch, the madial wall of the outer surface of the outer separator and the shell fits closely to be formed
Static seal.The lubricating oil or lubricating grease effectivelying prevent in this way in Oil Guide channel are between Oil Guide channel both sides, outer separator and shell
Gap in permeate outflow.
In above-mentioned electromagnetic clutch, the groove is located at the medium position in the outer separator width direction.In this way
Lubricating oil or lubricating grease can be rapidly filled with entire shoe cream room.
In above-mentioned electromagnetic clutch, the Oil Guide channel is annular in shape and around the outer separator one week, the oil filler point
Axis and the fuel feed hole axis perpendicular.Lubricating oil or lubricating grease reach fuel feed hole from oil filler point by Oil Guide channel
This length disclosure satisfy that the requirement for increasing lubricating oil or lubricating grease adhesion strength.
In above-mentioned electromagnetic clutch, the quantity of the fuel feed hole is two and is located at the two of the outer separator
Side.Lubricating oil or lubricating grease are entered by oil filler point in Oil Guide channel, then are entered in shoe cream room by two fuel feed holes, this
When sample can meet the requirement and oiling of fill cup hydraulic rapidly and efficiently.
In above-mentioned electromagnetic clutch, the width in the Oil Guide channel is 5mm~9mm, the depth in the Oil Guide channel
For 0.2mm~0.6mm.Preferably, the width in Oil Guide channel is 7mm, the depth in Oil Guide channel is 0.4mm.Oil Guide channel
Depth and width are sufficiently small, should meet the needs of lubricating oil and lubricating grease circulation, meet it again and increase enough adhesion strengths
It is required that.
In above-mentioned electromagnetic clutch, a diameter of 4mm~8mm of the fuel feed hole.Preferably, the diameter of fuel feed hole
For 6mm.This size can control lubricating oil and lubricating grease into fashionable speed, reduce its impact force for overcoming adhesion strength, from
And increase fill cup hydraulic, prevent oiling transition.
In above-mentioned electromagnetic clutch, the quantity of the bearing is two, is had between the inner ring and outer ring of the bearing
Have a cavity, two opposite sides of bearing all have the opening for being connected to the cavity and the shoe cream room, two bearings it is another
Side is equipped with sealing ring.Ball roller is equipped in cavity, the lubricating oil or lubricating grease in shoe cream room can be by being open smoothly
It enters in cavity and is lubricated between bearing inner race and outer ring.
In above-mentioned electromagnetic clutch, the peripheral surface flush of the peripheral surface of the shell and the bearing outer ring, institute
It states side of the two sides of shell respectively with two bearing outer rings to lean, be additionally provided between the inner ring of two bearings
Inner spacing collar, the side of the two sides of the inner spacing collar respectively with two bearing inner races lean.The periphery of inner spacing collar in this way
Face, the madial wall of outer separator, the inner ring of two bearings and outer ring opposite side side above-mentioned shoe cream room is collectively formed, store up
Lubricating oil or lubricating grease in oil pocket smooth can enter in two bearings, to ensure the lubricant effect of two bearings.
In above-mentioned electromagnetic clutch, alternatively, a biserial deep-groove ball axis may be used in the bearing
It holds, outer separator is the annulus in the middle part of biserial deep groove ball bearing outer ring, common shape between outer ring, inner ring and two row deep-groove balls
At above-mentioned shoe cream room, which opens up Oil Guide groove, and is further opened on outer ring
It is connected to the oilhole of Oil Guide groove and shoe cream room, to can also reach the object of the invention.
In above-mentioned electromagnetic clutch, as the third scheme, the quantity of bearing is one, and outer separator is located at bearing
Side, the side adjacent with outer separator does not carry out end part seal on bearing, and the other side is sealed, i.e., in outer separator
Shoe cream room is connected with Bearing inner；Outer separator side leans with bearing, and the other side is then sealed using sealing element, in this way
Also it disclosure satisfy that demand.
Compared with prior art, the electromagnetic clutch in the present invention passes through setting when injecting lubricating oil or lubricating grease
Oil Guide channel makes the inflow path of lubricating oil or lubrication greatly prolong, and can utilize the viscosity of grease logical in longer Oil Guide in this way
Adhesion strength is formed on road inner wall, fill cup hydraulic is increased, after this resistance is had one's bosom filled with plus lubricating oil in shoe cream room or lubricating grease
Internal pressure just can effectively prevent the entrance of lubricating oil or lubricating grease, to effectively avoid because can not pry through inside shoe cream room
Oil mass, and the spillover that the grease injected into shoe cream room excessively occurs.
Description of the drawings
Fig. 1 is the dimensional structure diagram of this electromagnetic clutch.
Fig. 2 is the positive structure diagram of this electromagnetic clutch.
Fig. 3 is the schematic cross-sectional view at A-A in Fig. 2.
Fig. 4 is the schematic cross-sectional view at B-B in Fig. 2.
In figure, 1, shell；11, bearing chamber；12, oil filler point；2, outer separator；21, shoe cream room；22, Oil Guide channel；23, into
Oilhole；3, bearing；31, outer ring；32, inner ring；33, cavity；34, ball；35, sealing ring；4, inner spacing collar；5, shaft；6, oil nozzle.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
The agent structure of this electromagnetic clutch is roughly the same with electromagnetic clutch in the prior art, institute as shown in Figure 1 to Figure 4
Show, this electromagnetic clutch includes shell 1, has bearing chamber 11 in shell 1, bearing 3 is equipped in bearing chamber 11, is opened up on shell 1
Have and be additionally provided with outer separator 2 along the radial oil filler point 12 of shell 1, bearing chamber 11, is equipped in outer separator 2 and is connected with 3 inside of bearing
Logical shoe cream room 21, the outer surface of outer separator 2 are equipped with the Oil Guide channel 22 being connected with oil filler point 12, are offered on outer separator 2
It is connected to the fuel feed hole 23 in Oil Guide channel 22 and shoe cream room 21, oil filler point 12 and 23 stagger setting of fuel feed hole；It is connected with and turns in bearing 3
The long-time of axis 5, bearing 3 runs at high speed, and continual lubricating oil or lubricating grease is needed to be lubricated, and shell 1 is set in outer
On spacer 2 and bearing 3, for the shoe cream room 21 in outer separator 2 for storing lubricating oil or lubricating grease, lubricating oil or lubricating grease can
It enters in bearing 3 and it is lubricated, play the role of reducing friction and abrasion；Also connect at oil filler point 12 on shell 1
Be connected to oil nozzle 6, inject lubricating oil to shoe cream room 21 or when lubricating grease, lubricating oil or lubricating grease successively from oil nozzle 6, oil filler point 12,
Enter back into shoe cream room 21 after Oil Guide channel 22 and fuel feed hole 23, with oil nozzle 6 in traditional clutch directly with shoe cream room 21
Connected structure is compared, and entire lubricating oil or the inflow path of lubrication greatly prolong in the present embodiment, can utilize grease in this way
Viscosity, form adhesion strength between longer 22 inner wall of Oil Guide channel, increase fill cup hydraulic, this resistance adds shoe cream room
Internal pressure after lubricating oil or lubricating grease are had one's bosom filled in 21 just can effectively prevent the entrance of lubricating oil or lubricating grease, to effectively
It avoids because 21 inside oil mass of shoe cream room can not be pried through, and the spillover that the grease injected into shoe cream room 21 excessively occurs.
Specifically, as shown in Figure 3 and Figure 4, the outer surface of outer separator 2 and the madial wall of shell 1 seal against, outer separator
2 outer surface fits closely to form static seal with the madial wall of shell 1, and Oil Guide channel 22 is to be opened on 2 outer surface of outer separator
Groove and groove it is circumferentially disposed along outer separator 2, groove is annular in shape and around outer separator 2 one weeks, and groove is located at 2 width side of outer separator
The quantity of upward medium position, the axis perpendicular of the axis and fuel feed hole 23 of oil filler point 12, fuel feed hole 23 is two and divides
Not Wei Yu outer separator 2 both sides, when can meet the requirement and oiling of fill cup hydraulic so rapidly and efficiently.
The width in Oil Guide channel is 5mm~9mm in the present embodiment, and the depth in Oil Guide channel is 0.2mm~0.6mm；Oil inlet
A diameter of 4mm~8mm in hole 23.Preferably, the width in Oil Guide channel is 7mm, the depth in Oil Guide channel is 0.4mm, oil inlet
A diameter of 6mm in hole 23.The depth and width in Oil Guide channel and the diameter of fuel feed hole 23 are sufficiently small, can meet lubricating oil and
The needs of lubricating grease circulation, and lubricating oil and lubricating grease can be controlled into fashionable speed, reduce its impact for overcoming adhesion strength
Power prevents oiling transition to increase fill cup hydraulic.
As shown in figure 4, the quantity of bearing 3 be two, between the inner ring 32 and outer ring 31 of bearing 3 have cavity 33, two
The opposite side of bearing 3 all has the opening of connection cavity 33 and shoe cream room 21, and the other side of two bearings 3 is equipped with sealing ring
35, cavity 33 is interior to be equipped with ball roller, and the lubricating oil or lubricating grease in shoe cream room 21 can smoothly enter sky by opening
It is lubricated between 3 inner ring 32 of bearing and outer ring 31 in chamber 33；The peripheral surface phase of the peripheral surface of shell 1 and 3 outer ring 31 of bearing
Concordantly, side of the two sides of shell 1 respectively with two 3 outer rings 31 of bearing leans, and is also set between the inner ring 32 of two bearings 3
There is an inner spacing collar 4, the side of the two sides of inner spacing collar 4 respectively with two 3 inner rings 32 of bearing leans, the periphery of such inner spacing collar 4
Face, the madial wall of outer separator 2, two bearings 3 the side of 31 opposite side of inner ring 32 and outer ring above-mentioned storage is collectively formed
Oil pocket 21, lubricating oil or lubricating grease in shoe cream room 21 smooth can enter in two bearings 3, to ensure two bearings 3
Lubricant effect.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although 1, shell is used more herein；11, bearing chamber；12, oil filler point；2, outer separator；21, shoe cream room；22、
Oil Guide channel；23, fuel feed hole；3, bearing；31, outer ring；32, inner ring；33, cavity；34, ball；35, sealing ring；4, inner spacing collar；
5, shaft；6, the terms such as oil nozzle, but it does not preclude the possibility of using other terms.The use of these items is only for more square
Just the essence of the present invention is described and explained；Being construed as any one of the additional limitations all is disagreed with spirit of that invention
The back of the body.
Claims (10)
1. a kind of electromagnetic clutch, the electromagnetic clutch includes shell (1), has bearing chamber (11), institute in the shell (1)
It states and is equipped with bearing (3) in bearing chamber (11), the oil filler point (12) along shell (1) radial direction, feature are offered on the shell (1)
It is, outer separator (2) is additionally provided in the bearing chamber (11), is equipped in the outer separator (2) and is connected inside the bearing (3)
Logical shoe cream room (21), the outer surface of the outer separator (2) are equipped with the Oil Guide channel (22) being connected with the oil filler point (12),
The fuel feed hole (23) for being connected to the Oil Guide channel (22) and the shoe cream room (21), the note are offered on the outer separator (2)
Oilhole (12) and the fuel feed hole (23) stagger setting.
2. electromagnetic clutch according to claim 1, which is characterized in that the outer surface of the outer separator (2) and the shell
The madial wall of body (1) seals against, and the Oil Guide channel (22) is the groove being opened on the outer separator (2) outer surface and institute
It is circumferentially disposed along the outer separator (2) to state groove.
3. electromagnetic clutch according to claim 2, which is characterized in that the outer surface of the outer separator (2) and the shell
The madial wall of body (1) fits closely to form static seal.
4. electromagnetic clutch according to claim 2 or 3, which is characterized in that the groove is located at the outer separator (2) width
Spend the medium position on direction.
5. electromagnetic clutch according to claim 2 or 3, which is characterized in that the Oil Guide channel (22) it is annular in shape and around
The outer separator (2) one weeks, the axis perpendicular of the axis and the fuel feed hole (23) of the oil filler point (12).
6. electromagnetic clutch according to claim 5, which is characterized in that the quantity of the fuel feed hole (23) is two and divides
Not Wei Yu the outer separator (2) both sides.
7. electromagnetic clutch according to claim 2 or 3, which is characterized in that the width of the Oil Guide channel (22) is 5mm
The depth of~9mm, the Oil Guide channel (22) are 0.2mm~0.6mm.
8. electromagnetic clutch according to claim 1 or 2 or 3, which is characterized in that the fuel feed hole (23) it is a diameter of
4mm~8mm.
9. electromagnetic clutch according to claim 1 or 2 or 3, which is characterized in that the quantity of the bearing (3) is two,
There is cavity (33), two opposite sides of bearing (3) all have company between the inner ring (32) and outer ring (31) of the bearing (3)
Lead to the opening of the cavity (33) and the shoe cream room (21), the other side of two bearings (3) is equipped with sealing ring (35).
10. electromagnetic clutch according to claim 1 or 2 or 3, which is characterized in that the peripheral surface of the shell (1) and institute
State the peripheral surface flush of bearing (3) outer ring (31), the two sides of the shell (1) respectively with two bearing (3) outer rings
(31) side leans, and inner spacing collar (4) is additionally provided between the inner ring (32) of two bearings (3), the inner spacing collar (4)
Side of the two sides respectively with two bearing (3) inner rings (32) leans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611268240.5A CN106763292B (en) | 2016-12-31 | 2016-12-31 | A kind of electromagnetic clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611268240.5A CN106763292B (en) | 2016-12-31 | 2016-12-31 | A kind of electromagnetic clutch |
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| Publication Number | Publication Date |
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| CN106763292A CN106763292A (en) | 2017-05-31 |
| CN106763292B true CN106763292B (en) | 2018-09-25 |
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| CN201611268240.5A Active CN106763292B (en) | 2016-12-31 | 2016-12-31 | A kind of electromagnetic clutch |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667761A (en) * | 2019-02-26 | 2019-04-23 | 顺气压缩机技术（苏州）有限公司 | A kind of oil free screw compressor support end structure |
| CN111810549A (en) * | 2020-07-13 | 2020-10-23 | 欧书鸿 | Self-adjusting clutch |
| CN112097088B (en) * | 2020-09-01 | 2022-01-11 | 安徽星辉工业科技有限公司 | Lifting machine afterbody axle sleeve filling device |
| CN116221298B (en) * | 2022-12-27 | 2023-09-15 | 华星传动科技无锡有限公司 | Electromagnet-controlled bidirectional clutch mechanism |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3406963C2 (en) * | 1984-02-25 | 1986-10-23 | SKF GmbH, 8720 Schweinfurt | Bearing housing split in the axial direction with oil feed lubrication |
| JP2007321950A (en) * | 2006-06-05 | 2007-12-13 | Ntn Corp | Cylindrical roller bearing |
| JP2008240778A (en) * | 2007-03-26 | 2008-10-09 | Nsk Ltd | Automatic-aligning roller bearing |
| JP5286962B2 (en) * | 2008-06-18 | 2013-09-11 | 株式会社ジェイテクト | Rolling bearing with aligning ring and roll device for continuous casting machine using the same |
| CN201347960Y (en) * | 2008-12-26 | 2009-11-18 | 大连全鑫轧机轴承制造有限公司 | Double-row cylindrical roller bearing with internal block and external block for rolling mill |
| GB2489021B (en) * | 2011-03-16 | 2013-08-14 | Flybrid Automotive Ltd | High speed flywheel |
| JP5895604B2 (en) * | 2012-03-02 | 2016-03-30 | 株式会社ジェイテクト | Bearing device for turbocharger |
| CN202768644U (en) * | 2012-08-14 | 2013-03-06 | 三一重工股份有限公司 | Bearing lubricating device and engineering machinery |
| CN104948721A (en) * | 2015-06-24 | 2015-09-30 | 大连华锐重工集团股份有限公司 | Planet wheel bearing lubrication structure of planetary reducer |
| CN206361046U (en) * | 2016-12-31 | 2017-07-28 | 玉环现代汽车配件厂 | A kind of electromagnetic clutch |
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Address after: 317600 Kanmen science and Technology Industrial Zone, Yuhuan, Zhejiang, Taizhou Applicant after: Yuhuan Hyundai Auto Fittings Factory Address before: 317600 Kanmen science and Technology Industrial Zone, Taizhou, Zhejiang, Yuhuan County Applicant before: Modern Automobile Fitting Factory, Yuhuan County |
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