CN108918146A - A kind of angular contact ball bearing preload force simulating device - Google Patents
A kind of angular contact ball bearing preload force simulating device Download PDFInfo
- Publication number
- CN108918146A CN108918146A CN201811105161.1A CN201811105161A CN108918146A CN 108918146 A CN108918146 A CN 108918146A CN 201811105161 A CN201811105161 A CN 201811105161A CN 108918146 A CN108918146 A CN 108918146A
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- main body
- rod
- frame body
- bearing
- guide pad
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- 230000036316 preload Effects 0.000 title description 10
- 230000009467 reduction Effects 0.000 claims abstract description 17
- 239000011490 mineral wool Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000003491 array Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0009—Force sensors associated with a bearing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Toys (AREA)
Abstract
The invention discloses a kind of angular contact ball bearings to pre-tighten force simulating device, including the first electric telescopic rod, bearing outer ring, single-chip microcontroller and main body, the side of the body interior bottom end is equipped with single-chip microcontroller, and the other side of body interior bottom end is equipped with wireless signal transceiver module, the middle position of the body interior bottom end is provided with noise reduction shell, and the inside of noise reduction shell is equipped with driving motor, the top of the main body is equipped with frame body, and main body top middle position frame body is internally provided with mounting groove, the output end of the driving motor is connect by shaft with mounting groove, and the inside of mounting groove is equipped with drive rod.The present invention is by being equipped with frame body, main body, sliding block, sliding slot and fixing bolt, so that device is convenient for the height for adjusting frame body according to the demand of user to be conducive to the long-term popularization of the device to enhance the applicability of device.
Description
Technical field
The present invention relates to angular contact ball bearing pretightning force analog machine technical field, specially a kind of angular contact ball bearing is pre-
Clamp force simulator.
Background technique
Angular contact ball bearing needs to pre-tighten bearing when assembling, and suitable preload amount can obtain suitable preload
Power, can improve service life and the precision of bearing, and preload makes first to bearing in the case where no external applied load between raceway and rolling element
Applying load is superimposed the load of bearing when there is external applied load to exist, to improve the rigidity of bearing, angular contact ball bearing is being installed
The mainly angular contact ball bearing, capacity eccentric bearing, tapered roller bearing, taper hole double-row cylindrical roller of preload amount are controlled in the process
Deng in the final stage that this several class bearing is installed, seeking to relatively accurately adjust clearance, i.e. control preload amount, especially to lathe
Main shaft etc. has the shafting of strict demand to running accuracy, noise, temperature rise, and the adjustment trip of preload amount is not only controlled in first installation
Gap, and be also required to adjust in use, in order to understand the effect of this pretightning force, it would be desirable to design a kind of angular contact ball
Bearing pre-tightened force simulating device.
However existing angular contact ball bearing pre-tightens force simulating device or generally existing some either large or small on the market
Defect cannot meet the needs of people are growing well, be similar to, and traditional angular contact ball bearing pre-tightens force simulating device
The problem of simple, not easy to disassemble and splicing that often there is structures, this causes the using effect of device bad, meanwhile, it is existing
Angular contact ball bearing pre-tightens drawback of the force simulating device also in the prevalence of structural stability difference, this causes the practicability of device low
Under, in addition, existing angular contact ball bearing pre-tightens force simulating device usually will appear noise jamming in use, this influence
The observation of experimental data, for these problems, we have proposed a kind of novel angular contact ball bearings to pre-tighten force simulating device,
The demand in market is preferably catered to, for people provides better usage experience.
Summary of the invention
The purpose of the present invention is to provide a kind of angular contact ball bearings to pre-tighten force simulating device, to solve above-mentioned background technique
The problem of middle proposition not easy to disassemble and splicing, structural stability difference and noise jamming.
To achieve the above object, the present invention provides the following technical solutions:A kind of angular contact ball bearing preload force simulating device,
Including the first electric telescopic rod, bearing outer ring, single-chip microcontroller and main body, the side of the body interior bottom end is equipped with single-chip microcontroller,
And the other side of body interior bottom end is equipped with wireless signal transceiver module, the middle position setting of the body interior bottom end
There is noise reduction shell, and the inside of noise reduction shell is equipped with driving motor, the top of the main body is equipped with frame body, and among main body top
Frame body is internally provided with mounting groove at position, and the output end of the driving motor is connect by shaft with mounting groove, and installation
The inside of slot is equipped with drive rod, and the top of the drive rod is equipped with bearing inner race, and axis is provided on the outside of bearing inner race
Bearing outer-ring is evenly arranged with ball, and all installs on the frame body at bearing outer ring both ends between the bearing outer ring and bearing inner race
There is the first electric telescopic rod, first electric telescopic rod is provided with arc rubber fixing piece, institute close to one end of bearing outer ring
The middle position for stating frame body inner tip is provided with force application rod, and the inside of force application rod bottom end bearing inner race is equipped with the second electricity
Dynamic telescopic rod, second electric telescopic rod are equipped with pressure sensor far from one end of force application rod, the bearing inner race it is outer
Side wall is equipped with temperature sensor, and the second guide pad, and the second guide pad are provided on the force application rod above the bearing inner race
Both ends be all provided with the second guide rod connecting with frame body, be provided with first on the force application rod above second guide pad and lead
To block, and the both ends of the first guide pad are all provided with the first guide rod connecting with frame body, and the pressure sensor and temperature pass
The output end of sensor all passes through conducting wire and the input terminal of single-chip microcontroller is electrically connected, and the output end of single-chip microcontroller is by conducting wire and wirelessly
The input terminal of signal transmitting and receiving module is electrically connected, and the output end of the single-chip microcontroller passes through conducting wire and the first electric telescopic rod, second
The input terminal of electric telescopic rod and driving motor is electrically connected.
Preferably, first guide pad and the second guide pad are all in hollow structure, and the interior diameter of the first guide pad is big
In the interior diameter of the second guide pad.
Preferably, the lateral wall on the drive rod top is evenly arranged with the spring in concentric arrays, and spring is separate
One end of drive rod is provided with fixture block, and the longitudinal section of the fixture block is trapezoidal, and the inner sidewall of bearing inner race is provided with and fixture block
The card slot of cooperation constitutes snap-in structure between the drive rod and bearing inner race.
Preferably, the lateral wall of the drive rod bottom end is provided with external screw thread, and the inner sidewall of mounting groove is provided with and outer spiral shell
The internal screw thread that line matches, and constitute and be threadedly coupled between drive rod and mounting groove.
Preferably, the frame body is all provided with sliding block close to the both ends of body side, and main body wall is internally provided with
With the sliding slot of sliding block cooperation, the sliding block is internally provided with the fixing bolt connecting with main body, and leads between frame body and main body
It crosses sliding block and sliding slot constitutes slide construction.
Preferably, being integrally formed welding structure between the noise reduction shell and main body, and four corners of main body bottom end
It is all provided with sucker, the inner sidewall of the noise reduction shell is evenly arranged with the bloop in honeycomb arrangement, and the inside of bloop
It is packed with sound-absorbing mineral wool.
Compared with prior art, the beneficial effects of the invention are as follows:The angular contact ball bearing pre-tightens force simulating device and passes through peace
Equipped with fixture block, card slot, spring, drive rod and mounting groove, so that the device is integrally convenient for disassembling and installing, to optimize
The structure of device is conducive to the long-term popularization of the device, the device by being provided with the first guide pad and the second guide pad so that
The device plays preferable guide and limit function to force application rod, so that it be made to be not easy sideslip in force, improves device
Using effect, the device consolidate so that device is integrally convenient for placing in desktop by being provided with sucker, enhance the wind resistance of device
Performance, meanwhile, the device by being equipped with pressure sensor, temperature sensor, single-chip microcontroller and wireless signal transceiver module so that
Device is convenient for passing through the power of application and the temperature experienced into the effect of single-chip microcontroller and wireless signal transceiver module, user's
It is shown on the background terminals such as mobile phone or computer, so that the experimental data of device is more intuitively changed, the device is logical
It crosses and frame body, main body, sliding block, sliding slot and fixing bolt is installed, so that device is convenient for adjusting frame body according to the demand of user
Height be conducive to the long-term popularization of the device to enhance the applicability of device.
Detailed description of the invention
Fig. 1 is that the present invention faces the schematic diagram of the section structure;
Fig. 2 is enlarged structure schematic diagram at A in Fig. 1 of the present invention;
Fig. 3 is enlarged structure schematic diagram at B in Fig. 1 of the present invention;
Fig. 4 is enlarged structure schematic diagram at C in Fig. 1 of the present invention;
Fig. 5 is present system block diagram.
In figure:1, the first electric telescopic rod;2, the first guide rod;3, the first guide pad;4, force application rod;5, the second guiding
Block;6, the second guide rod;7, bearing outer ring;8, arc rubber fixing piece;9, ball;10, mounting groove;11, sucker;12, wireless
Signal transmitting and receiving module;13, single-chip microcontroller;14, drive rod;15, bearing inner race;16, pressure sensor;17, the second electric telescopic rod;
18, spring;19, fixture block;20, card slot;21, temperature sensor;22, sliding slot;23, fixing bolt;24, sliding block;25, frame body;26,
Driving motor;27, sound-absorbing mineral wool;28, main body;29, noise reduction shell;30, bloop.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5, a kind of embodiment provided by the invention:A kind of angular contact ball bearing preload force simulating device, packet
The first electric telescopic rod 1, bearing outer ring 7, single-chip microcontroller 13 and main body 28 are included, the side of 28 inner bottom of main body is equipped with single-chip microcontroller
13, and the other side of 28 inner bottom of main body is equipped with wireless signal transceiver module 12, the middle position of 28 inner bottom of main body
Place is provided with noise reduction shell 29, and the inside of noise reduction shell 29 is equipped with driving motor 26, constitutes one between noise reduction shell 29 and main body 28
Body welding structure, and four corners of 28 bottom end of main body are all provided with sucker 11, the inner sidewall of noise reduction shell 29 is uniformly arranged
There is the bloop 30 in honeycomb arrangement, and the inside of bloop 30 is packed with sound-absorbing mineral wool 27, makes which increase device noise reductions
The performance of noise reduction improves accuracy when experimental data observation to alleviate noise jamming caused by device itself, main
The top of body 28 is equipped with frame body 25, and 28 top middle position frame body 25 of main body is internally provided with mounting groove 10, frame body
25 are all provided with sliding block 24, and the cunning of 28 side wall of main body being internally provided with the cooperation of sliding block 24 close to the both ends of 28 side of main body
Slot 22, sliding block 24 is internally provided with the fixing bolt 23 connecting with main body 28, and passes through sliding block between frame body 25 and main body 28
24 and sliding slot 22 constitute slide construction, make it easy to staff adjust frame body 25 height, thus enhance device be applicable in
Property, the output end of driving motor 26 is connect by shaft with mounting groove 10, and the inside of mounting groove 10 is equipped with drive rod 14, is driven
The lateral wall of 14 bottom end of lever is provided with external screw thread, and the inner sidewall of mounting groove 10 is provided with the internal screw thread matched with external screw thread,
And constitute and be threadedly coupled between drive rod 14 and mounting groove 10, making it easy to staff will be between drive rod 14 and mounting groove 10
It is disassembled and installed, to optimize the structure of device, the top of drive rod 14 is equipped with bearing inner race 15, and bearing inner race
15 outside is provided with bearing outer ring 7, and ball 9, and bearing outer ring 7 are evenly arranged between bearing outer ring 7 and bearing inner race 15
First electric telescopic rod 1 is all installed, the lateral wall on 14 top of drive rod is evenly arranged in concentric circles on the frame body 25 at both ends
The spring 18 of arrangement, and spring 18 is provided with fixture block 19 far from one end of drive rod 14, the longitudinal section of fixture block 19 is trapezoidal, and axis
The inner sidewall for holding inner ring 15 is provided with the card slot 20 cooperated with fixture block 19, and engaging knot is constituted between drive rod 14 and bearing inner race 15
Structure, making it easy to user will disassemble and install between drive rod 14 and bearing inner race 15, to enhance the reality of device
With property, the first electric telescopic rod 1 is provided with arc rubber fixing piece 8 close to one end of bearing outer ring 7,25 inner tip of frame body
Middle position is provided with force application rod 4, and the inside of 4 bottom end bearing inner race 15 of force application rod is equipped with the second electric telescopic rod 17,
Second electric telescopic rod 17 is equipped with pressure sensor 16 far from one end of force application rod 4, and the lateral wall of bearing inner race 15 is equipped with
Temperature sensor 21 is provided with the second guide pad 5 on the force application rod 4 of the top of bearing inner race 15, and the both ends of the second guide pad 5 are all
It is provided with the second guide rod 6 connecting with frame body 25, is provided with the first guide pad 3 on the force application rod 4 of 5 top of the second guide pad,
And first the both ends of guide pad 3 be all provided with the first guide rod 2 connecting with frame body 25, the first guide pad 3 and the second guide pad 5
It is all in hollow structure, and the interior diameter of the first guide pad 3 is greater than the interior diameter of the second guide pad 5, it is made to optimize the knot of device
Structure improves the stationary performance of force application rod 4, so that the practicability of device is enhanced, pressure sensor 16 and temperature sensor 21
Output end all pass through the input terminal of conducting wire and single-chip microcontroller 13 and be electrically connected, and the output end of single-chip microcontroller 13 passes through conducting wire and wireless
The input terminal of signal transmitting and receiving module 12 is electrically connected, and the output end of single-chip microcontroller 13 passes through conducting wire and the first electric telescopic rod 1, second
The input terminal of electric telescopic rod 17 and driving motor 26 is electrically connected, and the model of first electric telescopic rod 1 can be GT-QD, should
The model of second electric telescopic rod 17 can be HTA1500, and the model of the driving motor 26 can be Y355L1-2, which receives
The model for sending out module 12 can be SRW1042, and the model of the single-chip microcontroller 13 can be HT66F018, and the model of the pressure sensor 16 can
For CYYZ11, the model of the temperature sensor 21 can be CWDZ11.
Working principle:In use, device is being suitable for by external power supply, staff first with the effect of sucker 11
It operates desktop to place securely, to enhance the wind resistance of device, improves the using effect of device, then user can be with
Using the mutually matched internal screw thread and external screw thread being arranged on drive rod 14 and mounting groove 10, by drive rod 14 and mounting groove 10 it
Between be connected firmly, then user is arranged using the spring 18 and fixture block 19 and bearing inner race 15 of 14 top of drive rod setting
The mating reaction of card slot 20 will connect between bearing inner race 15 and drive rod 14, and then it is electronic to can star first by user
Telescopic rod 1 cooperates the effect of arc rubber fixing piece 8, bearing outer ring 7 is further fixed, and starts driving motor 26,
Make it that bearing inner race 15 be driven to be rotated, realize the simulation of bearing movable, then user can utilize force application rod 4 and the
Two electric telescopic rods 17 carry out the application of pretightning force, realize the simulation of pretightning force, generate when being moved by observation bearing inner race 15
Noise and the variation of temperature carry out the analyses of data, in this process, since the device is provided with the first guide pad 3
With the second guide pad 5 so that the device plays preferable guide and limit function to force application rod, so that it be made to be not easy in force
Sideslip improves the using effect of device, in addition, the device is by being equipped with pressure sensor 16, temperature sensor 21, monolithic
Machine 13 and wireless signal transceiver module 12, so that device is convenient for the power of application and the temperature experienced passing through single-chip microcontroller 13 and nothing
The effect of line signal transmitting and receiving module 12 shows on the background terminals such as the mobile phone of user or computer, so that
The experimental data of device is more intuitively changed.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (6)
1. a kind of angular contact ball bearing pre-tightens force simulating device, including the first electric telescopic rod(1), bearing outer ring(7), single-chip microcontroller
(13)And main body(28), it is characterised in that:The main body(28)The side of inner bottom is equipped with single-chip microcontroller(13), and main body
(28)The other side of inner bottom is equipped with wireless signal transceiver module(12), the main body(28)The middle position of inner bottom
Place is provided with noise reduction shell(29), and noise reduction shell(29)Inside driving motor is installed(26), the main body(28)Top peace
Equipped with frame body(25), and main body(28)Top middle position frame body(25)Be internally provided with mounting groove(10), the driving
Motor(26)Output end pass through shaft and mounting groove(10)Connection, and mounting groove(10)Inside drive rod is installed(14),
The drive rod(14)Top bearing inner race is installed(15), and bearing inner race(15)Outside be provided with bearing outer ring(7),
The bearing outer ring(7)And bearing inner race(15)Between be evenly arranged with ball(9), and bearing outer ring(7)The frame body at both ends
(25)On the first electric telescopic rod is all installed(1), first electric telescopic rod(1)Close to bearing outer ring(7)One end set
It is equipped with arc rubber fixing piece(8), the frame body(25)The middle position of inner tip is provided with force application rod(4), and exert a force
Bar(4)Bottom end bearing inner race(15)Inside the second electric telescopic rod is installed(17), second electric telescopic rod(17)Far
From force application rod(4)One end pressure sensor is installed(16), the bearing inner race(15)Lateral wall temperature sensing is installed
Device(21), the bearing inner race(15)The force application rod of top(4)On be provided with the second guide pad(5), and the second guide pad(5)'s
Both ends are all provided with and frame body(25)Second guide rod of connection(6), second guide pad(5)The force application rod of top(4)On
It is provided with the first guide pad(3), and the first guide pad(3)Both ends be all provided with and frame body(25)First guide rod of connection
(2), the pressure sensor(16)And temperature sensor(21)Output end all pass through conducting wire and single-chip microcontroller(13)Input terminal
It is electrically connected, and single-chip microcontroller(13)Output end pass through conducting wire and wireless signal transceiver module(12)Input terminal be electrically connected,
The single-chip microcontroller(13)Output end pass through conducting wire and the first electric telescopic rod(1), the second electric telescopic rod(17)With driving electricity
Machine(26)Input terminal be electrically connected.
2. a kind of angular contact ball bearing according to claim 1 pre-tightens force simulating device, it is characterised in that:Described first leads
To block(3)With the second guide pad(5)It is all in hollow structure, and the first guide pad(3)Interior diameter be greater than the second guide pad(5)'s
Interior diameter.
3. a kind of angular contact ball bearing according to claim 1 pre-tightens force simulating device, it is characterised in that:The drive rod
(14)The lateral wall on top is evenly arranged with the spring in concentric arrays(18), and spring(18)Far from drive rod(14)One
End is provided with fixture block(19), the fixture block(19)Longitudinal section it is trapezoidal, and bearing inner race(15)Inner sidewall be provided with and block
Block(19)The card slot of cooperation(20), the drive rod(14)And bearing inner race(15)Between constitute snap-in structure.
4. a kind of angular contact ball bearing according to claim 1 pre-tightens force simulating device, it is characterised in that:The drive rod
(14)The lateral wall of bottom end is provided with external screw thread, mounting groove(10)Inner sidewall be provided with the internal screw thread matched with external screw thread,
And drive rod(14)And mounting groove(10)Between constitute be threadedly coupled.
5. a kind of angular contact ball bearing according to claim 1 pre-tightens force simulating device, it is characterised in that:The frame body
(25)Close to main body(28)The both ends of side are all provided with sliding block(24), and main body(28)Side wall be internally provided with and sliding block
(24)The sliding slot of cooperation(22), the sliding block(24)Be internally provided with and main body(28)The fixing bolt of connection(23), and frame
Body(25)And main body(28)Between pass through sliding block(24)And sliding slot(22)Constitute slide construction.
6. a kind of angular contact ball bearing according to claim 1 pre-tightens force simulating device, it is characterised in that:The noise reduction shell
(29)With main body(28)Between being integrally formed welding structure, and main body(28)Four corners of bottom end are all provided with sucker
(11), the noise reduction shell(29)Inner sidewall be evenly arranged with the bloop in honeycomb arrangement(30), and bloop(30)'s
Inside is packed with sound-absorbing mineral wool(27).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811105161.1A CN108918146A (en) | 2018-09-21 | 2018-09-21 | A kind of angular contact ball bearing preload force simulating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811105161.1A CN108918146A (en) | 2018-09-21 | 2018-09-21 | A kind of angular contact ball bearing preload force simulating device |
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Publication Number | Publication Date |
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CN108918146A true CN108918146A (en) | 2018-11-30 |
Family
ID=64409816
Family Applications (1)
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CN201811105161.1A Pending CN108918146A (en) | 2018-09-21 | 2018-09-21 | A kind of angular contact ball bearing preload force simulating device |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101419126A (en) * | 2008-11-28 | 2009-04-29 | 东南大学 | Fatigue life test stand for angular contact ball bearing |
CN101852250A (en) * | 2010-04-29 | 2010-10-06 | 中国科学院上海技术物理研究所 | Device and method for regulating pair of back to back inner and outer spacers of angular contact bearing |
CN101893512A (en) * | 2010-07-05 | 2010-11-24 | 西安理工大学 | Modularized static stiffness testing device for angular contact ball bearings |
RU2010138027A (en) * | 2010-09-13 | 2012-03-20 | Федеральное государственное образовательное учреждение высшего профессионального образования "Ульяновская государственная сельскох | DEVICE FOR CONTROL OF ACCURACY OF ROTATION OF ROLLING BEARING AT SIMULATION OF WORK TENSION |
CN207050689U (en) * | 2017-07-28 | 2018-02-27 | 中国第一汽车股份有限公司 | Taper roll bearing assembles the measurement apparatus of height |
CN208653802U (en) * | 2018-09-21 | 2019-03-26 | 瓦房店宝山轴承制造有限公司 | A kind of angular contact ball bearing preload force simulating device |
-
2018
- 2018-09-21 CN CN201811105161.1A patent/CN108918146A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101419126A (en) * | 2008-11-28 | 2009-04-29 | 东南大学 | Fatigue life test stand for angular contact ball bearing |
CN101852250A (en) * | 2010-04-29 | 2010-10-06 | 中国科学院上海技术物理研究所 | Device and method for regulating pair of back to back inner and outer spacers of angular contact bearing |
CN101893512A (en) * | 2010-07-05 | 2010-11-24 | 西安理工大学 | Modularized static stiffness testing device for angular contact ball bearings |
RU2010138027A (en) * | 2010-09-13 | 2012-03-20 | Федеральное государственное образовательное учреждение высшего профессионального образования "Ульяновская государственная сельскох | DEVICE FOR CONTROL OF ACCURACY OF ROTATION OF ROLLING BEARING AT SIMULATION OF WORK TENSION |
CN207050689U (en) * | 2017-07-28 | 2018-02-27 | 中国第一汽车股份有限公司 | Taper roll bearing assembles the measurement apparatus of height |
CN208653802U (en) * | 2018-09-21 | 2019-03-26 | 瓦房店宝山轴承制造有限公司 | A kind of angular contact ball bearing preload force simulating device |
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Application publication date: 20181130 |
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WD01 | Invention patent application deemed withdrawn after publication |