CN108916235A - A kind of novel high speed laundry machine bearing of long-life - Google Patents

A kind of novel high speed laundry machine bearing of long-life Download PDF

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Publication number
CN108916235A
CN108916235A CN201810635054.3A CN201810635054A CN108916235A CN 108916235 A CN108916235 A CN 108916235A CN 201810635054 A CN201810635054 A CN 201810635054A CN 108916235 A CN108916235 A CN 108916235A
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CN
China
Prior art keywords
ring
shock
shock ring
high speed
outer ring
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.)
Granted
Application number
CN201810635054.3A
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Chinese (zh)
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CN108916235B (en
Inventor
卓凡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Lishui Hi Tech Venture Capital Management Co Ltd
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Ningbo Hi-Tech Zone Rising And Electrical Machinery Co Ltd
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Application filed by Ningbo Hi-Tech Zone Rising And Electrical Machinery Co Ltd filed Critical Ningbo Hi-Tech Zone Rising And Electrical Machinery Co Ltd
Priority to CN201810635054.3A priority Critical patent/CN108916235B/en
Publication of CN108916235A publication Critical patent/CN108916235A/en
Application granted granted Critical
Publication of CN108916235B publication Critical patent/CN108916235B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/20—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows with loose spacing bodies, e.g. balls, between the bearing balls
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
    • F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
    • F16C33/6681—Details of distribution or circulation inside the bearing, e.g. grooves on the cage or passages in the rolling elements
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C37/00—Cooling of bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2380/00—Electrical apparatus
    • F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

The invention discloses a kind of novel high speed of long-life laundry machine bearings, are related to field of bearings, which includes：One outer ring, an inner ring, several rolling elements and an adjustment circle；The inner peripheral surface of the outer ring is provided with external groove, the outer circumference surface of the inner ring is provided with inner groovy, several rolling elements are embedded between the external groove and the inner groovy, and are point contact between each rolling element and the external groove and between the inner groovy；The adjustment snare is connected on the excircle of the outer ring, and the adjustment mechanism for adjusting the two concentricity is provided between the adjustment circle and the outer ring.The service life of laundry machine bearing of the invention is high, can be suitable for high speed rotation.

Description

A kind of novel high speed laundry machine bearing of long-life
The present invention is application number：2017100097284, the applying date：2017-01-06, denomination of invention：A kind of bilayer ditch is super The divisional application of wear-resisting high speed laundry machine bearing.
Technical field
The present invention relates to the novel high speed of field of bearings more particularly to a kind of long-life laundry machine bearings.
Background technique
Currently, its friction is larger when bearing high-speed cruising, more heat can be generated, is unfavorable for the raising of its service life, in addition, Since easy-regulating so that easily swinging when bearing runs at high speed not will affect it to the concentricity between bearing block and bearing yet Service life.
In order to improve the service life of high-speed bearing, as Chinese invention patent CN102242771 A discloses a kind of high speed Seal bearing comprising inner ring body, outer ring body, ball and retainer are equipped with interior rollaway nest in the outer surface of inner ring body, in outer ring body Inner surface be equipped with outer rollaway nest, interior rollaway nest combines to form complete ball road with outer rollaway nest, equipped with ball in ball road, It is externally provided with retainer in ball, the inner surface of the outer ring body at left and right sides of ball is equipped with the first dustproof groove and the second dustproof groove, Be embedded with the first dustband in the first dustproof groove, be embedded with the second dustband in the second dustproof groove, first dustband it is interior Be spaced a distance between wall and the outer surface of inner ring body, between the inner wall of second dustband and the outer surface of inner ring body between Every a distance.Although the invention simplifies designing and manufacturing for the lubricating system of mechanical equipment, to improve making for high-speed bearing With the service life, but the structure of lubricating system is complex, is unfavorable for being widely used.
For another example 103557230 A of Chinese invention patent CN discloses a kind of high speed turntable bearing, by the first inner ring, outside There are first axis track groove and radial track groove in circle, the second inner ring composition, the position of the close internal diameter of the first inner ring, are respectively provided with First axis rolling element and radial rolling element have oil groove at the both ends of first axis track groove and radial track groove, in radial rolling There is oilhole on the wall of road slot；Outer ring is seated on first axis rolling element, is had axial track groove in the internal diameter side of outer ring, is equipped with Axial raceway body, the oilhole in axial track groove are communicated with the oilhole of outer diameter side；Second inner ring is seated the axial rolling of outer ring On road body.Although the bearing of the invention is more stable when running at high speed, frictional resistance reduces, and lubricating oil does not leak outside, not It can solve concentricity between bearing block and bearing not easy-regulating, so that easily being swung when bearing runs at high speed, and then influence The technical issues of bearing service life.
Summary of the invention
One, technical problems to be solved
The purpose of the present invention is provide the novel high speed of long-life a kind of for the above problem present in the prior art Laundry machine bearing, to overcome the technological deficiency that high-speed bearing service life is low in the prior art.
Two, technical solution
In order to solve the above technical problems, the present invention provides the novel high speed laundry machine bearing of long-life a kind of, the laundry Machine bearing includes：One outer ring, an inner ring, several rolling elements and an adjustment circle；The inner peripheral surface of the outer ring is provided with external groove, institute The outer circumference surface for stating inner ring is provided with inner groovy, and several rolling elements are embedded between the external groove and the inner groovy, and It is point contact between each rolling element and the external groove and between the inner groovy；The adjustment snare is connected to described outer On the excircle of circle, the adjustment mechanism for adjusting the two concentricity is provided between the adjustment circle and the outer ring.
Wherein, in the novel high speed laundry machine bearing of above-mentioned long-life, the adjustment mechanism includes several adjustment spiral shells The excircle annular of nail, the adjustment circle is evenly arranged with several adjusting holes of corresponding several adjusting screws, the adjustment Screw abuts after screwing in the corresponding adjusting hole with the excircle of the outer ring.
Wherein, in the novel high speed laundry machine bearing of above-mentioned long-life, the laundry machine bearing further includes two solid Fixed board, two fixed plates are individually fixed in the axial two sides of the adjustment circle, and close with the two sides of the outer ring axial direction Fitting.
Wherein, in the novel high speed laundry machine bearing of above-mentioned long-life, the outer edge difference of two fixed plates The axial two sides of the adjustment circle are fixed on by holding screw, inward flange and the two sides of the outer ring axial direction fit closely.
Wherein, in the novel high speed laundry machine bearing of above-mentioned long-life, the excircle of the adjustment circle, which is socketed with, to be subtracted Shake circle, is used for shock-absorbing damping.
Wherein, in the novel high speed laundry machine bearing of above-mentioned long-life, the shock absorbing ring includes the of coaxial arrangement One shock ring, intermediate shock ring and the second shock ring, first shock ring, the second shock ring are located at the intermediate damping The two sides of ring, and the annular radius of first shock ring, the second shock ring is equal and be all larger than the ring of the intermediate shock ring Shape radius, so that the shock absorbing ring is formed as structure low between the senior middle school of both ends.
Wherein, in the novel high speed laundry machine bearing of above-mentioned long-life, in first shock ring, the second shock ring It is provided with the toroidal cavity for working as a buffer.
Wherein, in the novel high speed laundry machine bearing of above-mentioned long-life, the intermediate shock ring is flexible Solid torus.
Wherein, in the novel high speed laundry machine bearing of above-mentioned long-life, first shock ring, intermediate shock ring and Second shock ring is integral type connection.
Wherein, in the novel high speed laundry machine bearing of above-mentioned long-life, the intermediate shock ring subtracts with described first Shake ring, the junction of the second shock ring is provided with arc groove.
Three, beneficial effect
Compared with prior art, in laundry machine bearing of the invention between each rolling element and the external groove of outer ring and and inner ring Inner groovy between be point contact, reduce friction point, so ensure bearing in high-speed cruising generated frictional heat compared with It is low, and it is socketed with adjustment snare on bearing top circle week, by the concentricity of the adjustable the two of regulating mechanism, to prevent bearing It is swung when high-speed cruising, therefore the service life of laundry machine bearing of the invention is high, can be suitable for high speed rotation.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the novel high speed laundry machine bearing of the long-life of the embodiment of the present invention；
Fig. 2 is the main view of Fig. 1；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Fig. 4 is the assembling structure schematic diagram of adjustment circle and outer ring in Fig. 1；
In figure：1 is outer ring；2 be inner ring；3 be rolling element；4 be adjustment circle；5 be external groove；6 be inner groovy；7 be adjustment Screw；8 be fixed plate；9 be holding screw；10 be shock absorbing ring；11 be the first shock ring；12 be intermediate shock ring；13 be second Shock ring；14 be toroidal cavity；15 be arc groove.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below Example cannot be used to limit the scope of the invention for illustrating the present invention.
The long-life of the embodiment of the present invention novel high speed laundry machine bearing structure include as shown in Figures 1 to 4：Outside one Enclose 1, one inner ring 2, several rolling elements 3 and an adjustment circle 4.
The inner peripheral surface of the outer ring 1 is provided with external groove 5, and the outer circumference surface of inner ring 2 is provided with inner groovy 6, and several rolling elements 3 are embedding It is point contact between external groove 5 and inner groovy 6, and between each rolling element 3 and external groove 5 and between inner groovy 6, i.e., should Contact between rolling element 3 and external groove 5 is two-point contact, forms one layer of groove, connecing between the rolling element 3 and inner groovy 6 Touching is also two-point contact, and friction can be reduced using four point contacts by forming another layer of groove due to having abandoned line face contact, because Generated heat can reduce when this bearing high-speed cruising, be conducive to long-time high speed rotation.
Further, adjustment circle 4 is socketed on the excircle of outer ring 1, is provided between adjustment circle 4 and outer ring 1 for adjusting The adjustment mechanism of both whole concentricity, which includes several adjusting screws 7, and the excircle annular of adjustment circle 4 is uniformly set Several adjusting holes of corresponding several adjusting screws 7 are equipped with, adjusting screw 7 screws in the excircle after corresponding adjusting hole with outer ring 1 Abut, by screwing or unscrew adjusting screw 7, the concentricity of adjustment circle 4 with outer ring 1 can be adjusted, with ensure to adjust circle 4 with it is outer The concentricity of circle 1 is in a reasonable margin of tolerance, to realize that the concentricity between bearing block and bearing is controllable, Jin Erfang Only since easy-regulating does not make bearing that swing easily occur when running at high speed and influences bearing the concentricity between bearing block and bearing Service life.
In the present embodiment, laundry machine bearing further includes two fixed plates 8, which is individually fixed in adjustment The axial two sides of circle 4, and the two sides axial with outer ring 1 fit closely.Specifically, the outer edge of two fixed plates 8 passes through respectively Holding screw 9 is fixed on the axial two sides of adjustment circle 4, and the inward flange two sides axial with outer ring 1 fit closely.In this way, 1 He of outer ring Adjustment circle 4 passes through the dual fixation of fixed plate of two sides, it is ensured that the high-speed rotating stability of bearing.
The excircle of adjustment circle 4 is socketed with the shock absorbing ring 10 for shock-absorbing damping, which includes coaxial arrangement First shock ring 11, intermediate shock ring 12 and the second shock ring 13, the first shock ring 11, the second shock ring 13 are located at centre The two sides of shock ring 12 are provided with the toroidal cavity 14 for working as a buffer in first shock ring 11, the second shock ring 13, Intermediate shock ring 12 is flexible solid torus, the connection of intermediate shock ring 12 and the first shock ring 11, the second shock ring 13 Place is provided with arc groove 15, and intermediate shock ring 12 is that integral type connect knot with the first shock ring 11, the second shock ring 13 Structure, monolithic construction are conducive to improve shock-absorbing damping effect.Here, the annular radius phase of the first shock ring 11, the second shock ring 13 Deng and be all larger than the annular radius of intermediate shock ring 12 so that shock absorbing ring 10 is formed as structure low between the senior middle school of both ends, work as bearing When in primary vibration, cushioning effect is only played by the first shock ring 11, the second shock ring 13, when bearing is in advanced vibration When, cushioning effect is played by the first shock ring 11, intermediate shock ring 12 and the second shock ring 13 jointly, bearing can be effectively reduced Vibration under high speed rotation state.
As described above, the indent in laundry machine bearing of the invention between each rolling element and the external groove of outer ring and with inner ring It is point contact between slot, reduces friction point, and then ensures that bearing generated frictional heat in high-speed cruising is lower, and It is socketed with adjustment snare on bearing top circle week, by the concentricity of the adjustable the two of regulating mechanism, to prevent bearing high speed from transporting It is swung when row, therefore the service life of laundry machine bearing of the invention is high, can be suitable for high speed rotation.
The above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come It says, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (2)

  1. The machine bearing 1. novel high speed of long-life a kind of is done washing, which is characterized in that the laundry machine bearing includes：One outer ring (1), One inner ring (2), several rolling elements (3) and an adjustment circle (4)；The inner peripheral surface of the outer ring (1) is provided with external groove (5), described The outer circumference surface of inner ring (2) is provided with inner groovy (6), and several rolling elements (3) are embedded at the external groove (5) and the indent It between slot (6), and is point contact between each rolling element (3) and the external groove (5) and between the inner groovy (6)； The adjustment circle (4) is socketed on the excircle of the outer ring (1), is provided between the adjustment circle (4) and the outer ring (1) For adjusting the adjustment mechanism of the two concentricity；
    The adjustment mechanism includes several adjusting screws (7), and the excircle annular of the adjustment circle (4) is evenly arranged with corresponding institute State several adjusting holes of several adjusting screws (7), the adjusting screw (7) screw in after the corresponding adjusting hole with the outer ring (1) excircle abuts；
    The laundry machine bearing further includes two fixed plates (8), and two fixed plates (8) are individually fixed in the adjustment circle (4) axial two sides, and fitted closely with the two sides of the outer ring (1) axial direction；
    The outer edge of two fixed plates (8) passes through holding screw (9) respectively and is fixed on axial two of the adjustment circle (4) Side, inward flange and the two sides of the outer ring (1) axial direction fit closely, and the excircle of the adjustment circle (4) is socketed with shock absorbing ring (10), it is used for shock-absorbing damping；
    The shock absorbing ring (10) includes the first shock ring (11), intermediate shock ring (12) and the second shock ring of coaxial arrangement (13), first shock ring (11), the second shock ring (13) are located at the two sides of the intermediate shock ring (12), and described First shock ring (11), the annular radius of the second shock ring (13) are equal and be all larger than the annular half of the intermediate shock ring (12) Diameter, so that the shock absorbing ring (10) is formed as structure low between the senior middle school of both ends；
    The toroidal cavity (14) for working as a buffer is provided in first shock ring (11), the second shock ring (13), The intermediate shock ring (12) is flexible solid torus, first shock ring (11), intermediate shock ring (12) and second Shock ring (13) is integral type connection.
  2. The machine bearing 2. novel high speed of long-life as described in claim 1 is done washing, which is characterized in that the intermediate shock ring (12) junction with first shock ring (11), the second shock ring (13) is provided with arc groove (15).
CN201810635054.3A 2017-01-06 2017-01-06 High-speed washing machine bearing Expired - Fee Related CN108916235B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810635054.3A CN108916235B (en) 2017-01-06 2017-01-06 High-speed washing machine bearing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710009728.4A CN106640951B (en) 2017-01-06 2017-01-06 A kind of bilayer ditch super abrasive high speed laundry machine bearing
CN201810635054.3A CN108916235B (en) 2017-01-06 2017-01-06 High-speed washing machine bearing

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201710009728.4A Division CN106640951B (en) 2017-01-06 2017-01-06 A kind of bilayer ditch super abrasive high speed laundry machine bearing

Publications (2)

Publication Number Publication Date
CN108916235A true CN108916235A (en) 2018-11-30
CN108916235B CN108916235B (en) 2020-06-09

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Family Applications (4)

Application Number Title Priority Date Filing Date
CN201810635054.3A Expired - Fee Related CN108916235B (en) 2017-01-06 2017-01-06 High-speed washing machine bearing
CN201810635786.2A Active CN108916236B (en) 2017-01-06 2017-01-06 High-speed washing machine bearing capable of adjusting coaxiality
CN201710009728.4A Active CN106640951B (en) 2017-01-06 2017-01-06 A kind of bilayer ditch super abrasive high speed laundry machine bearing
CN201810635939.3A Active CN108916237B (en) 2017-01-06 2017-01-06 A kind of super abrasive high speed laundry machine bearing with Multistage damping

Family Applications After (3)

Application Number Title Priority Date Filing Date
CN201810635786.2A Active CN108916236B (en) 2017-01-06 2017-01-06 High-speed washing machine bearing capable of adjusting coaxiality
CN201710009728.4A Active CN106640951B (en) 2017-01-06 2017-01-06 A kind of bilayer ditch super abrasive high speed laundry machine bearing
CN201810635939.3A Active CN108916237B (en) 2017-01-06 2017-01-06 A kind of super abrasive high speed laundry machine bearing with Multistage damping

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DE102014202489A1 (en) * 2013-03-12 2014-09-18 Schaeffler Technologies Gmbh & Co. Kg Dual mass flywheel with a rolling bearing and method for its production
CN103398103A (en) * 2013-08-08 2013-11-20 常熟市董浜镇徐市鸿磊五金机械厂 Anti-vibration shaft sleeve
CN204664152U (en) * 2015-05-21 2015-09-23 宁波达奋精工轴承有限公司 Adjustable bearing

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CN108916237A (en) 2018-11-30
CN108916236B (en) 2020-05-05
CN108916237B (en) 2019-11-08
CN106640951B (en) 2018-10-09
CN108916236A (en) 2018-11-30
CN106640951A (en) 2017-05-10
CN108916235B (en) 2020-06-09

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