CN209727464U - Bearing frictional torque measuring device - Google Patents
Bearing frictional torque measuring device Download PDFInfo
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- CN209727464U CN209727464U CN201920500602.1U CN201920500602U CN209727464U CN 209727464 U CN209727464 U CN 209727464U CN 201920500602 U CN201920500602 U CN 201920500602U CN 209727464 U CN209727464 U CN 209727464U
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- bearing
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- measuring device
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- torque measuring
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- 238000012360 testing method Methods 0.000 claims abstract description 55
- 238000009434 installation Methods 0.000 claims abstract description 34
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 239000003550 marker Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 2
- 238000005259 measurement Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to a kind of bearing detecting devices, specifically disclose a kind of bearing frictional torque measuring device.A kind of bearing frictional torque measuring device, including the installation pedestal for installing test bearing, and the driving device for driving test bearing to rotate；The installation pedestal includes fixed part and deflector, is connected between the deflector and fixed part by arc-shaped guide rail, and the central axis of the arc-shaped guide rail is in the rotation center of test bearing；It is additionally provided in the installation pedestal for driving deflector to move relative to fixed part arc-shaped guide rail, and the regulating mechanism with latch functions；It further include the detection unit for being connect with driving device, and being used to measure moment of friction.Above-described bearing frictional torque measuring device, installation pedestal therein have deflection, for driving the inner ring of test bearing to deflect certain angle relative to outer ring, and then detect moment of friction of the test bearing under specific deflection angle.
Description
Technical field
The utility model relates to a kind of bearing moment detection device more particularly to a kind of bearing frictional torque measuring devices.
Background technique
Bearing is important mechanical standard parts, is mainly used for passing movement and bears load, with frictional force is small, is easy to open
The advantages of moving, lubricating simply and be conveniently replaceable.Bearing generally includes inner ring, outer ring and rolling element, in bearing operational process, three
Moment of friction between component is to evaluate the important parameter of bearing performance, directly affects the service performance of bearing.Therefore, it is necessary to right
Moment of friction in bearing operational process measures.
The Chinese utility model patent that Authorization Notice No. is CN 201364215Y discloses a kind of bearing axially different negative
The measuring device of moment of friction under lotus, revolving speed, including fixation kit, axially loaded component, display component and measurement component, can be with
Effectively moment of friction amount of the measurement bearing under different load, higher rotation speed.But the device is only capable of measuring axial load lower bearing
Moment of friction, in actual use, certain bearings (such as bearing in automobile steering system) are subjected to axial load
The case where outer ring deflects certain angle relative to inner ring, the center line of bearing outer ring and inner ring center line be not at this time for lotus, also news
Parallel again, the frictional force size and direction between lasso and rolling element are more complicated, and existing measurement of friction torque device
This operating condition can not be simulated.Therefore, it is necessary to using with actual use operating condition similar in measuring device, to the axis under such operating condition
Carry out measurement of friction torque is held, keeps measurement result more accurate, reliable.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of bearing frictional torque measuring device, installation base therein
Seat tool has deflection, and the inner ring of test bearing is driven to deflect certain angle relative to outer ring, and then detects test bearing in spy
Determine the moment of friction under deflection angle.
In order to solve the above-mentioned technical problem, a kind of the technical scheme that the utility model is provided is as follows: bearing frictional torque survey
Device is measured, including the installation pedestal for installing test bearing, and the driving device for driving test bearing to rotate；Described
Installation pedestal includes fixed part and deflector, is connected between the deflector and fixed part by arc-shaped guide rail, and the arc
The central axis of shape guide rail is in the rotation center of test bearing；It is additionally provided in the installation pedestal for driving deflector phase
Fixed part arc-shaped guide rail is moved, and the regulating mechanism with latch functions；It further include being connect with driving device, and be used to survey
Measure the detection unit of moment of friction.
The central axis of arc-shaped guide rail is in the rotation center of test unit namely the deflection center of deflector perpendicular to examination
The rotation center of verification certificate member, when testing, regulating mechanism drive deflector relative to fixed part arcuately guide rail movement, make
The center relative tilt for obtaining deflector and test unit, so that inner ring fixing seat is opposite with the center line of outer ring fixing seat inclined
From, and test bearing outer ring is made to deflect certain angle relative to inner ring.Fortune of the test bearing under deflection angle is simulated with this
Row operating condition improves the accuracy of moment of friction detection
Preferably, the regulating mechanism includes the worm gear being fixedly connected with deflector, the center line of the worm gear with
The center line of arc-shaped guide rail is overlapped；The regulating mechanism further includes connecting with fixed part rotary moveable, and engage with worm gear
Worm screw.Since drive structure of gear worm has unidirectional self-lock characteristic, regulating mechanism is being realized to the adjusting of deflector deflection angle
Under the premise of, the locked effect of positioning can be played to deflector simultaneously, to ensure that the stabilization of deflection angle continues.
Preferably, the deflector side opposite with fixed part is equipped with follower plate, the follower plate includes and arc
The coaxial arcwall face of shape guide rail, the worm gear include the worm-gear toothing being distributed on arcwall face.It is equivalent to a part of worm gear
It is arranged in deflector in the form of arc panel, structure is simple, easy to operate.
Preferably, the deflector or fixed part, which are equipped with, is used to indicate deflector relative to fixed part deflection angle
Scale marker.Indirectly deflection angle is monitored by deflection angle, structure is simple, easy to use.
Preferably, being connected between the deflector and fixed part by arc crossed roller guide rail.
Preferably, the driving device includes axial sliding rail, and the slide unit being slidably connected with axial sliding rail, it is described
Slide unit is oppositely arranged with installation pedestal, and the axial sliding rail is equipped with the first power mould that driving slide unit is moved along axial sliding rail
Block；The slide unit is equipped with the second power plant module for connecting with test unit and test bearing being driven to rotate.It is being tested
It is mobile to the direction far from installation pedestal by slide unit between the first power plant module when the installation of bearing, it is the installation of test bearing
Slot milling.After the connection of test bearing and installation pedestal is completed, the first power unit drives slide unit to transport to installation pedestal
Dynamic, until contacting with the second power unit, realization test unit is docked with driving unit.
Preferably, the detection unit includes being arranged between connecting rod and test bearing or being serially connected in connecting rod
Torque sensor.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment bearing frictional torque measuring device；
Fig. 2 is the structural scheme of mechanism of test unit in the present embodiment bearing frictional torque measuring device；
Fig. 3 is the cross-sectional view of test unit in the present embodiment bearing frictional torque measuring device；
Fig. 4 is the side view of the present embodiment bearing frictional torque measuring device；
Fig. 5 is the signal of driving device and test unit connection structure in the present embodiment bearing frictional torque measuring device
Figure；
Fig. 6 is the structural schematic diagram of installation pedestal in the present embodiment bearing frictional torque measuring device；
Fig. 7 is the cross-sectional view of installation pedestal in the present embodiment bearing frictional torque measuring device；
Fig. 8 is the cross-sectional view of installation pedestal deflection state in the present embodiment bearing frictional torque measuring device；
Fig. 9 is the cross-sectional view of deflector in the present embodiment bearing frictional torque measuring device.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Embodiment one
As shown in Figure 1-Figure 3, a kind of bearing frictional torque measuring device, including test unit 2, the test unit 2
Including inner ring fixing seat 22 and outer ring fixing seat 23；It further include the installation pedestal 1 for installing inner ring fixing seat 22, and and outer ring
The driving device 3 that fixing seat 23 connects, the driving device 3 drive opposite between outer ring fixing seat 23 and inner ring fixing seat 22
Rotation.The outer ring fixing seat 23 is equipped with mounting groove, and is distributed with and several fixes through entire outer ring in installation trench bottom
The removal hole 24 of seat 23.Due to being usually transition fit or interference fit between bearing outer ring and outer ring fixing seat 23, with thimble
It is inserted into from removal hole 24 and the form for ejecting outer ring can more convenient completion dismantlement work.
As shown in Figure 1 and Figure 4, the driving device 3 includes axial sliding rail 34, and be slidably connected with axial sliding rail 34
Slide unit 31, the slide unit 31 are oppositely arranged with installation pedestal 1, and the axial sliding rail 34 is equipped with driving slide unit 31 along axial direction
The first power plant module 33 that sliding rail 34 moves；The slide unit 31 is equipped with and connect with test unit 2 and drive outer ring fixing seat
Second power plant module 32 of relative rotation between 23 and inner ring fixing seat 22.When carrying out the installation of test bearing 4, pass through first
33 slide units 31 of power plant module are mobile to the direction far from installation pedestal 1, are the installation slot milling of test bearing 4.It is testing
After the connection of bearing 4 and installation pedestal 1 is completed, the first power unit drives slide unit 31 to move to installation pedestal 1, until with the
The contact of two power units, realization test unit are docked with driving unit.
As shown in Figure 2 and Figure 5, second power plant module 32 includes the connecting rod 36 connecting with test unit 2, described
The end corresponding with test unit 2 of connecting rod 36 is equipped with the trundle 361 perpendicular to 36 axis of connecting rod, the outer ring fixing seat
23 are equipped with for inserting groove 21 corresponding with trundle 361, pass through trundle between the drive rod and test unit 2
361 and 21 releasable connection of inserting groove.
As Figure 6-Figure 8, the installation pedestal 1 includes fixed part 12 and deflector 11 corresponding with test unit 2,
It is connected between the deflector 11 and fixed part 12 by arc-shaped guide rail 15, and the center line 16(of the arc-shaped guide rail 15 is
Perpendicular to paper direction) perpendicular to rotation center (rotation center of test unit and the driving of the second power plant module of test unit 2
Connecting rod rotation center be overlapped) namely deflector 11 deflection center perpendicular to the rotation center of test unit 2, carrying out
When test, regulating mechanism 13 drives deflector 11 relative to the arcuately movement of guide rail 15 of fixed part 12, so that in deflector 11
The heart deviates the rotation center of test unit 2, so that inner ring fixing seat 22 and outer ring fixing seat 23 generate opposite deflection, makes to try
It tests 4 outer ring of bearing and deflects certain angle relative to inner ring.The arc-shaped guide rail 15 can connect for arc crossed roller guide rail.
As Figure 6-Figure 8, it is additionally provided in the installation pedestal 1 for driving deflector 11 relative to 12 edge of fixed part
The regulating mechanism 13 that arc-shaped guide rail 15 moves, the regulating mechanism 13 includes the worm gear 131 being fixedly connected with deflector 11, institute
The center line for stating worm gear 131 is overlapped with the center line of arc-shaped guide rail 15.Since 131 worm screw of worm gear, 132 drive mechanism has unidirectionally
Latching characteristics, regulating mechanism 13 deflect required angle to deflector 11 in realization, can play positioning lock to deflector 11 simultaneously
Dead effect, to ensure that the stabilization of deflection angle continues.
Further, described as shown in figure 9, the side opposite with fixed part 12 of the deflector 11 is equipped with follower plate 111
Follower plate 111 include the arcwall face 112 coaxial with arc-shaped guide rail 15, the worm gear 131 is to be distributed on arcwall face 112
The form of worm-gear toothing is arranged.It is equivalent to and a part of worm gear 131 is arranged in deflector 11 in the form of arc panel, structure letter
Folk prescription is just.The regulating mechanism 13 further includes the worm screw 132 for connecting with 12 rotary moveable of fixed part, and engaging with worm gear 131.
The deflector 11 or fixed part 12 is equipped with and is used to indicate graduated scale of the deflector 11 relative to 12 deflection angle of fixed part
Know 14.Indirectly deflection angle is monitored by deflection angle, structure is simple, easy to use.
As shown in figure 4, further include the detection unit 35 for being connect with driving device 3, and being used to measure moment of friction, it is described
Detection unit 35 includes the torque sensor for being arranged between connecting rod 36 and test unit 2 or being serially connected in connecting rod 36.
When measuring operation, part to be measured and inner ring fixing seat 22 and outer ring fixing seat 23 are separately connected first, so
Part to be measured and test unit 2 are mounted on as a whole between driving device 3 and installation pedestal 1 afterwards, the preparation before completing measurement
Work.During measuring or before measurement starts, drive deflector 11 opposite by 131 worm screw of worm gear, 132 mechanism
It is rotated in fixed part 12, while deflection angle is applied to test bearing 4, the deflection angle operating condition of test bearing 4 is simulated, to obtain
It obtains under deflection angle effect, the moment of friction of test bearing 4.
Embodiment two
Compared with embodiment one, the present embodiment the difference is that: the outer ring fixing seat 23 and installation pedestal 1 connect
It connects, inner ring fixing seat 22 is connect with driving device 3, and corresponding inserting groove 21 is arranged in inner ring fixing seat 22.Namely test sheet
The installation direction of member is opposite with embodiment one.
Above-described bearing frictional torque measuring device, installation pedestal therein have deflection, driving test axis
The inner ring held deflects certain angle relative to outer ring, and then detects moment of friction of the test bearing under specific deflection angle.
In short, the above is only the preferred embodiment of the utility model only, it is not intended to limit the utility model, it is all
Any modifications, equivalent replacements, and improvements made within spirit of the present utility model and principle etc. should be included in practical
Within novel protection scope.
Claims (7)
1. bearing frictional torque measuring device, it is characterised in that: including the installation pedestal (1) for installing test bearing, and use
In the driving device (3) of driving test bearing rotation；The installation pedestal (1) includes fixed part (12) and deflector (11),
It is connect between the deflector (11) and fixed part (12) by arc-shaped guide rail (15), and the center of the arc-shaped guide rail (15)
Rotation center of the line perpendicular to test bearing；Be additionally provided in the installation pedestal (1) for drive deflector (11) relative to
Fixed part (12) arc-shaped guide rail (15) movement, and the regulating mechanism (13) with latch functions；It further include connecting with driving device (3)
It connects, and the detection unit (35) for measuring moment of friction.
2. bearing frictional torque measuring device according to claim 1, it is characterised in that: regulating mechanism (13) packet
Include the worm gear (131) being fixedly connected with deflector (11), the center line of the worm gear (131) and the center line of arc-shaped guide rail (15)
It is overlapped；The regulating mechanism (13) further includes the worm screw for connecting with fixed part (12) rotary moveable, and engaging with worm gear (131)
(132).
3. bearing frictional torque measuring device according to claim 2, it is characterised in that: the deflector (11) and fixation
The opposite side in portion (12) is equipped with follower plate (111), and the follower plate (111) includes the arc coaxial with arc-shaped guide rail (15)
Face (112), the worm gear (131) include the worm-gear toothing being distributed on arcwall face (112).
4. bearing frictional torque measuring device according to claim 1, it is characterised in that: the deflector (11) or solid
Portion (12) are determined equipped with scale marker (14).
5. bearing frictional torque measuring device according to claim 1, it is characterised in that: the deflector (11) and solid
Determine to connect between portion (12) by arc crossed roller guide rail.
6. bearing frictional torque measuring device according to any one of claims 1-5, it is characterised in that: the driving
Device (3) includes axial sliding rail (34), and the slide unit (31) being slidably connected with axial sliding rail (34), the slide unit (31) and peace
Dress pedestal (1) is oppositely arranged, and the axial sliding rail (34) is equipped with that driving slide unit (31) is moved along axial sliding rail (34)
One power plant module (33)；The slide unit (31), which is equipped with, connect with test unit (2) and drives the second of test bearing rotation
Power plant module (32).
7. bearing frictional torque measuring device according to claim 6, it is characterised in that: detection unit (35) packet
Include the torque sensor for being arranged between connecting rod (36) and test bearing (4) or being serially connected on connecting rod (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920500602.1U CN209727464U (en) | 2019-04-15 | 2019-04-15 | Bearing frictional torque measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920500602.1U CN209727464U (en) | 2019-04-15 | 2019-04-15 | Bearing frictional torque measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN209727464U true CN209727464U (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920500602.1U Active CN209727464U (en) | 2019-04-15 | 2019-04-15 | Bearing frictional torque measuring device |
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| CN (1) | CN209727464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049154A (en) * | 2021-03-10 | 2021-06-29 | 上海交通大学 | Space momentum wheel bearing friction torque testing machine and testing method thereof |
-
2019
- 2019-04-15 CN CN201920500602.1U patent/CN209727464U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049154A (en) * | 2021-03-10 | 2021-06-29 | 上海交通大学 | Space momentum wheel bearing friction torque testing machine and testing method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200708 Address after: 310051 1-4 / F, building 1, No. 125, miaohouwang Road, Binjiang District, Hangzhou City, Zhejiang Province Co-patentee after: ZHEJIANG INSTITUTE OF MECHANICAL & ELECTRICAL ENGINEERING Co.,Ltd. Patentee after: Zhejiang mechanical and electrical product quality inspection Institute Co.,Ltd. Address before: 310051, No. 125, Queen Wang Road, Binjiang District temple, Zhejiang, Hangzhou Co-patentee before: ZHEJIANG INSTITUTE OF MECHANICAL & ELECTRICAL ENGINEERING Co.,Ltd. Patentee before: ZHEJIANG TESTING & INSPECTION INSTITUTE FOR MECHANICAL AND ELECTRICAL PRODUCTS QUALITY |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240425 Address after: 310051 1-4 / F, building 1, 125 miaohouwang Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang mechanical and electrical product quality inspection Institute Co.,Ltd. Country or region after: China Address before: 310051 1-4 / F, building 1, 125 miaohouwang Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: Zhejiang mechanical and electrical product quality inspection Institute Co.,Ltd. Country or region before: China Patentee before: ZHEJIANG INSTITUTE OF MECHANICAL & ELECTRICAL ENGINEERING Co.,Ltd. |