CN209727464U - Bearing frictional torque measuring device - Google Patents

Bearing frictional torque measuring device Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
bearing
deflector
measuring device
arc
torque measuring
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.)
Active
Application number
CN201920500602.1U
Other languages
Chinese (zh)
Inventor
张斌
高玉矿
蔡丽萍
来树远
任宁
周烨
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.)
Zhejiang Mechanical And Electrical Product Quality Inspection Institute Co ltd
Original Assignee
Zhejiang Testing & Inspection Institute For Mechanical And Electrical Products Equality
Zhejiang Electromechanical Design and Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Testing & Inspection Institute For Mechanical And Electrical Products Equality, Zhejiang Electromechanical Design and Research Institute Co Ltd filed Critical Zhejiang Testing & Inspection Institute For Mechanical And Electrical Products Equality
Priority to CN201920500602.1U priority Critical patent/CN209727464U/en
Application granted granted Critical
Publication of CN209727464U publication Critical patent/CN209727464U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • 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

Bearing frictional torque measuring device
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).
CN201920500602.1U 2019-04-15 2019-04-15 Bearing frictional torque measuring device Active CN209727464U (en)

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

Publications (1)

Publication Number Publication Date
CN209727464U true CN209727464U (en) 2019-12-03

Family

ID=68691347

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920500602.1U Active CN209727464U (en) 2019-04-15 2019-04-15 Bearing frictional torque measuring device

Country Status (1)

Country Link
CN (1) CN209727464U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN209727464U (en) Bearing frictional torque measuring device
CN109540782A (en) Pin disc type friction and wear testing machine
CN110031223A (en) A kind of bearing frictional torque measuring device
US6622571B2 (en) Apparatus for measuring tension and stress capable of adjusting an angle of measurement
CN110440663B (en) Thread detection device and thread measurement method
CN202836516U (en) Automation quality detecting equipment capable of carrying out 360-degree detection
CN112857794B (en) Quick detection device of gear error
CN213874048U (en) Measuring tool for measuring jumping quantity of part
KR101727504B1 (en) Apparatus for Portable Verifying Tester of Measuring Instrument having Radiation Shield
CN210374855U (en) Automatic thread measuring device
CN212931291U (en) Roundness detection device
CN112880525A (en) Aperture measuring device
CN108168908A (en) Wheel hub hill detecting system
CN105758277A (en) Bounce value detection apparatus of bearing chamber of motor housing
CN206787470U (en) A kind of spoke baseplane degree measurement apparatus of wheel spoke
CN110274535A (en) The outer ring detection device of bearing with spherical outside surface
CN113218274B (en) Detection device of semiconductor process equipment
CN109856147A (en) A kind of detection system of roller appearance
CN1307469C (en) Backlight module testing instrument
CN117128832B (en) Checking fixture for star cover
CN220772061U (en) Test equipment for detecting wheel runout
CN218628730U (en) Torsion testing device
CN220649374U (en) Hard sample scale measuring device
CN109615225A (en) A kind of the metaaction assembling quality appraisal procedure and device of ball wire rod mechanism
CN211626414U (en) Flatness detection device

Legal Events

Date Code Title Description
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

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.