CN104236772B - A kind of oscillating bearing staring torque measuring device and measuring method - Google Patents
A kind of oscillating bearing staring torque measuring device and measuring method Download PDFInfo
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- CN104236772B CN104236772B CN201410424613.8A CN201410424613A CN104236772B CN 104236772 B CN104236772 B CN 104236772B CN 201410424613 A CN201410424613 A CN 201410424613A CN 104236772 B CN104236772 B CN 104236772B
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Abstract
A kind of oscillating bearing staring torque measuring device machine measurement method, belongs to mechanical measurement technique field, which is characterized in that applies tooling including inner ring connecting tooling, upper load and lower load applies tooling, upper load applies tooling and lower load application tool structure is identical；Oscillating bearing A is installed to upper load to apply in the structure of tooling, oscillating bearing B is then installed to lower load to apply in tool structure, the upper end of inner ring connecting tooling is applied tooling with upper load by oscillating bearing A to fix, the lower end of inner ring connecting tooling is applied into tooling with lower load by oscillating bearing B and is fixed.The present invention solves the measurement problem of the opposite revolution staring torque of oscillating bearing Internal and external cycle when bearing certain external applied load, this method is suitable for all oscillating bearings under external load function with respect to the measurement of revolution staring torque, metal roller bearing, sliding bearing be can also be used under external load function with respect to the measurement of revolution staring torque, this method is easy to operate, and required appointed condition is simple.
Description
Technical field
The invention belongs to mechanical measurement technique fields, are related to a kind of improvement of oscillating bearing staring torque measurement method.
Background technique
Oscillating bearing is made of inner ring and outer ring, shown in Fig. 1.It is general to bear radial load or axial load or bear simultaneously
The resultant load of two kinds of load.In the design of oscillating bearing, generally there is the little Mr. Yu's specified value of no-load staring torque
It is required that.Accordingly when oscillating bearing detects factory inspection, no-load staring torque measurement need to be carried out.The measurement method of use is usually
Fixed inner ring (outer ring) measures outer ring (inner ring) phase by hanging counterweight or other means in the case where not applying service load
To the power or torque of inner ring (outer ring) rotation moment, shown in Fig. 2.However oscillating bearing is few in actual use uncharged
Situation, people more concerned be service load effect under, oscillating bearing Internal and external cycle relatively rotate staring torque be how many,
Can staring torque meet requirement.
Obviously, the measurement of no-load staring torque only is carried out to oscillating bearing at present, is not able to satisfy actual needs.It uses at present
No-load staring torque measurement method, it is impossible to be used in oscillating bearing is in the case where bearing service load.It is carried by certain radial direction
Lotus (shown in Fig. 3) or when axial load (shown in Fig. 4), due to that must have tooling that radial load or axial load are applied to joint
On bearing internal external circle, therefore measure the ratio that oscillating bearing outer ring (inner ring) becomes relative to the power or torque of inner ring (outer ring) rotation moment
It is more difficult.
Summary of the invention
The purpose of the present invention：
A kind of oscillating bearing staring torque measuring device is designed, measuring technique and mechanical designing technique are related to, solves pass
The measurement problem of the opposite revolution staring torque of bearings Internal and external cycle when bearing certain load.
Technical solution of the present invention：
A kind of oscillating bearing staring torque measuring device, which is characterized in that apply work including inner ring connecting tooling, upper load
Dress and lower load apply tooling, and upper load applies tooling and lower load application tool structure is identical；
Inner ring connecting tooling both ends are cylindrical step axis, for the installation positioning of oscillating bearing inner ring；Middle section is power
Square measuring section；
Oscillating bearing A is installed to upper load to apply in the structure of tooling, oscillating bearing B is then installed to lower load and is applied
It processes in assembling structure, the upper end of inner ring connecting tooling is applied into tooling with upper load by oscillating bearing A and is fixed, inner ring is connected
The lower end of tooling applies tooling with lower load by oscillating bearing B and fixes.
The torgue measurement section section of the inner ring connecting tooling is rectangle, the clamping for torque spanner.
The upper load, which applies one end that tooling and lower load apply tooling, has cylindrical type gripping section, for carrying with outside
The connection of lotus bringing device；There is a rectangular macropore in the middle part of the other end, end is provided with cylindrical step hole, rectangular macropore and cylinder
Stepped hole is connected and axis is vertical, and cylindrical step hole positions and assembles for oscillating bearing outer ring.
The oscillating bearing A is installed to upper load to apply in the cylindrical step hole of tooling, pushes down joint shaft with cover board
Cover board is applied tooling with upper load with screw and fixed by the outer ring for holding A；Oscillating bearing B is installed to lower load and applies tooling
In cylindrical step hole, the outer ring of oscillating bearing B is then pushed down with cover board, and cover board is applied into tooling 7 with lower load with screw and is consolidated
It is fixed.
The macropore that upper load applies tooling is protruded by the inner ring of oscillating bearing A in the upper end of the inner ring connecting tooling
It is interior, then bushing is covered in the upper end of inner ring connecting tooling, then the upper end of inner ring connecting tooling is tightened in by joint shaft by nut
Hold the inner ring of A；The lower end of inner ring connecting tooling is protruded by the inner ring of oscillating bearing B in the macropore of downloading and application tooling,
Bushing is covered in the lower end of inner ring connecting tooling again, then the lower end of inner ring connecting tooling is tightened in by oscillating bearing B by nut
Inner ring.
A kind of oscillating bearing staring torque measurement method, which is characterized in that include the following steps：Upper load is applied into tooling
The gripping section for applying tooling with lower load is connect with external load loading device respectively, is applied to oscillating bearing A and oscillating bearing B
Stretching or compressive load measure staring torque the sum of of two oscillating bearing inner rings with respect to outer ring rotating on inner ring connecting tooling
MA+MB；Then oscillating bearing A is replaced with oscillating bearing C, measures starting of two oscillating bearing inner rings with respect to outer ring rotating again
The sum of torque MB+MC；Then oscillating bearing B is replaced with oscillating bearing A, measures two oscillating bearing inner rings again and turns with respect to outer ring
The sum of dynamic staring torque MA+MC；Finally solve obtain each oscillating bearing bearing centainly external load function in the axial direction
Under staring torque.
Key point of the invention：
Using three oscillating bearings, by measuring staring torque of two oscillating bearings under external load function in pairs respectively
The sum of, it then solves and obtains staring torque of each oscillating bearing under external load function；
Load applies connection and inner ring connecting tooling and the connection of oscillating bearing inner ring of the tooling with oscillating bearing outer ring
It is detachable, it changes the outfit convenient for oscillating bearing.
Beneficial effects of the present invention：
The measurement that the present invention solves the opposite revolution staring torque of oscillating bearing Internal and external cycle when bearing certain external applied load is difficult
Topic, this method are suitable for all oscillating bearings under external load function with respect to the measurement of revolution staring torque, it can also be used to metal
Roller bearing, sliding bearing are with respect to the measurement of revolution staring torque under external load function, and this method is easy to operate, required equipment
Condition is simple.
Detailed description of the invention
Fig. 1 is oscillating bearing structural schematic diagram
Fig. 2 is oscillating bearing without outer load staring torque instrumentation plan
Fig. 3 is carried schematic diagram by axis for oscillating bearing outward
Fig. 4 is carried schematic diagram by diameter for oscillating bearing outward
Fig. 5 is the invention general structure schematic diagram
Fig. 6 is the sectional arrangement drawing of the inventive embodiments 1
Fig. 7 is the sectional arrangement drawing of the inventive embodiments 2
Specific embodiment
The present invention is described in further details with reference to the accompanying drawing.Referring to Fig. 6.A kind of oscillating bearing staring torque measurement
Device, including inner ring connecting tooling 5, upper load apply tooling 6 and lower load applies tooling 7, upper load applies the lower load of tooling 6
It is identical to apply 7 structure of tooling.
5 both ends of inner ring connecting tooling are cylindrical step axis, for the installation positioning of oscillating bearing inner ring；Middle section is power
Square measuring section；
Oscillating bearing A is installed to upper load to apply in the structure of tooling 6, oscillating bearing B is then installed to lower load
In application 7 structure of tooling, the upper end of inner ring connecting tooling 5 is applied into tooling 6 by oscillating bearing A and upper load and is fixed, it will be interior
The lower end for enclosing connecting tooling 5 applies tooling 7 by oscillating bearing B and lower load and fixes.
The torgue measurement section section of inner ring connecting tooling 5 is rectangle, the clamping for torque spanner.
One end that upper load applies tooling 6 has cylindrical type gripping section, for the connection with external load bringing device；Separately
Have a rectangular macropore 8 in the middle part of one end, end is provided with cylindrical step hole 9, rectangular macropore 8 be connected with cylindrical step hole 9 and
Axis is vertical, and cylindrical step hole positions and assembles for the outer ring oscillating bearing A 1.
One end that lower load applies tooling 7 has cylindrical type gripping section, for the connection with external load bringing device；Separately
There is a rectangular macropore 19 in the middle part of one end, end is provided with cylindrical step hole 18, and rectangular macropore 19 is connected with cylindrical step hole 18
Logical and axis is vertical, and cylindrical step hole 18 positions and assembles for the outer ring oscillating bearing B 4.
Oscillating bearing A is installed to upper load first to apply in the cylindrical step hole 9 of tooling 6, pushes down pass with cover board 11
Cover board 11 and upper load are applied tooling 6 with screw 16 and fixed by the outer ring 2 of bearings A；Oscillating bearing B is installed to lower load
In the cylindrical step hole 18 for applying tooling 7, the outer ring 4 of oscillating bearing B is then pushed down with cover board 13, with screw 17 by cover board 13
It is fixed to apply tooling 7 with lower load.
Upper load is then protruded by the inner ring 1 of oscillating bearing A in the upper end of inner ring connecting tooling 5 and applies the big of tooling 6
In hole 8, then by 12 sets of the bushing upper ends in inner ring connecting tooling 5, then by nut 10 upper end of inner ring connecting tooling 5 is tightened
On the inner ring 1 of oscillating bearing A；Lower load is protruded by the inner ring 3 of oscillating bearing B in the lower end of inner ring connecting tooling 5 to apply
In the macropore 19 of tooling 7, then by 14 sets of the bushing lower ends in inner ring connecting tooling 5, then pass through nut 15 for inner ring connecting tooling 5
Lower end be tightened against the inner ring 3 of oscillating bearing B.
When torgue measurement, the gripping section that upper load applies tooling 6 and lower load application tooling 7 is carried with outside respectively first
The connection of lotus loading device applies stretching or compressive load 20000N to oscillating bearing A and oscillating bearing B, in inner ring connecting tooling 5
Two oscillating bearing inner rings of upper measurement are with respect to the sum of the staring torque of outer ring rotating MA+MB=62N.m；Then more with oscillating bearing C
Oscillating bearing A is changed, measures two oscillating bearing inner rings again with respect to the sum of the staring torque of outer ring rotating MB+MC=68N.m；So
Oscillating bearing B is replaced with oscillating bearing A afterwards, measures staring torque the sum of of two oscillating bearing inner rings with respect to outer ring rotating again
MA+MC=64N.m；It finally solves and show that oscillating bearing A is in the staring torque for bearing 2000N external applied load in the axial direction
29N.m, oscillating bearing B are 33N.m bearing the staring torque of 2000N external applied load in the axial direction, and oscillating bearing C bearing
2000N in the axial direction external applied load staring torque be 35N.m.
The present invention solves joint using the method measured in pairs by designing a set of oscillating bearing torgue measurement tooling
The measurement problem of the opposite revolution staring torque of bearing Internal and external cycle when bearing certain external applied load, this method are suitable for all joint shafts
It holds under external load function with respect to the measurement of revolution staring torque, it can also be used to which metal roller bearing, sliding bearing are in external applied load
The measurement of the lower opposite revolution staring torque of effect, this method is easy to operate, and required appointed condition is simple.
Embodiment 1：
The embodiment bears load in the axial direction for oscillating bearing and acts on lower staring torque measurement.
5 both ends of inner ring connecting tooling are cylindrical step axis, for the installation positioning of oscillating bearing inner ring；Middle section is power
Square measuring section；
Oscillating bearing A is installed to upper load to apply in the structure of tooling 6, oscillating bearing B is then installed to lower load
In application 7 structure of tooling, the upper end of inner ring connecting tooling 5 is applied into tooling 6 by oscillating bearing A and upper load and is fixed, it will be interior
The lower end for enclosing connecting tooling 5 applies tooling 7 by oscillating bearing B and lower load and fixes.
The torgue measurement section section of inner ring connecting tooling 5 is rectangle, the clamping for torque spanner.
One end that upper load applies tooling 6 has cylindrical type gripping section, for the connection with external load bringing device；Separately
Have a rectangular macropore 8 in the middle part of one end, end is provided with cylindrical step hole 9, rectangular macropore 8 be connected with cylindrical step hole 9 and
Axis is vertical, and cylindrical step hole positions and assembles for the outer ring oscillating bearing A 1.
One end that lower load applies tooling 7 has cylindrical type gripping section, for the connection with external load bringing device；Separately
There is a rectangular macropore 19 in the middle part of one end, end is provided with cylindrical step hole 18, and rectangular macropore 19 is connected with cylindrical step hole 18
Logical and axis is vertical, and cylindrical step hole 18 positions and assembles for the outer ring oscillating bearing B 4.
Oscillating bearing A is installed to upper load first to apply in the cylindrical step hole 9 of tooling 6, pushes down pass with cover board 11
Cover board 11 and upper load are applied tooling 6 with screw 16 and fixed by the outer ring 2 of bearings A；Oscillating bearing B is installed to lower load
In the cylindrical step hole 18 for applying tooling 7, the outer ring 4 of oscillating bearing B is then pushed down with cover board 13, with screw 17 by cover board 13
It is fixed to apply tooling 7 with lower load.
Upper load is then protruded by the inner ring 1 of oscillating bearing A in the upper end of inner ring connecting tooling 5 and applies the big of tooling 6
In hole 8, then by 12 sets of the bushing upper ends in inner ring connecting tooling 5, then by nut 10 upper end of inner ring connecting tooling 5 is tightened
On the inner ring 1 of oscillating bearing A；Lower load is protruded by the inner ring 3 of oscillating bearing B in the lower end of inner ring connecting tooling 5 to apply
In the macropore 19 of tooling 7, then by 14 sets of the bushing lower ends in inner ring connecting tooling 5, then pass through nut 15 for inner ring connecting tooling 5
Lower end be tightened against the inner ring 3 of oscillating bearing B.
When torgue measurement, the gripping section that upper load applies tooling 6 and lower load application tooling 7 is carried with outside respectively first
The connection of lotus loading device applies stretching or compressive load 20000N to oscillating bearing A and oscillating bearing B, in inner ring connecting tooling 5
Two oscillating bearing inner rings of upper measurement are with respect to the sum of the staring torque of outer ring rotating MA+MB=62N.m；Then more with oscillating bearing C
Oscillating bearing A is changed, measures two oscillating bearing inner rings again with respect to the sum of the staring torque of outer ring rotating MB+MC=68N.m；So
Oscillating bearing B is replaced with oscillating bearing A afterwards, measures staring torque the sum of of two oscillating bearing inner rings with respect to outer ring rotating again
MA+MC=64N.m；It finally solves and show that oscillating bearing A is in the staring torque for bearing 2000N external applied load in the axial direction
29N.m, oscillating bearing B are 33N.m bearing the staring torque of 2000N external applied load in the axial direction, and oscillating bearing C bearing
2000N in the axial direction external applied load staring torque be 35N.m.
Embodiment 2：
The embodiment bears radially load for oscillating bearing and acts on lower staring torque measurement.
5 upper end of inner ring connecting tooling is double fork ears with cylindrical hole, 1 diameter of inner ring of cylinder bore diameter and oscillating bearing A
Identical, double fork ear inner heights are more bigger than oscillating bearing inner ring height, can be with a straight pin 8 by 5 upper end of inner ring connecting tooling
It is installed together with oscillating bearing A；5 lower end of inner ring connecting tooling is double fork ears with cylindrical hole, cylinder bore diameter and joint shaft
3 diameter of inner ring for holding B is identical, and double fork ear inner heights are more bigger than oscillating bearing inner ring height, can be with a straight pin 9 by inner ring
5 lower end of connecting tooling and oscillating bearing B are installed together；5 middle section of inner ring connecting tooling is torgue measurement section.Torgue measurement
Section section is rectangle, the clamping for torque spanner.
It is identical that upper load applies the structure that tooling 6 and lower load apply tooling 7.One end has cylindrical type gripping section, is used for
With the connection of external load bringing device；The other end is band cylindrical hole monaural chip architecture, cylinder bore diameter and oscillating bearing A and
3 diameter of inner ring of oscillating bearing B is identical, for being coupled with bearing outer ring.
Claims (5)
1. a kind of oscillating bearing staring torque measuring device, which is characterized in that apply tooling including inner ring connecting tooling, upper load
Apply tooling with lower load, upper load applies tooling and lower load application tool structure is identical；
Inner ring connecting tooling both ends are cylindrical step axis, for the installation positioning of oscillating bearing inner ring；Middle section is torque survey
Measure section；
Oscillating bearing A is installed to upper load to apply in the structure of tooling, oscillating bearing B is then installed to lower load and applies work
In assembling structure, the upper end of inner ring connecting tooling is applied into tooling with upper load by oscillating bearing A and is fixed, by inner ring connecting tooling
Lower end tooling applied by oscillating bearing B and lower load fix；
The upper load, which applies one end that tooling and lower load apply tooling, has cylindrical type gripping section, for applying with external load
The connection of feeder apparatus；There is a rectangular macropore in the middle part of the other end, end is provided with cylindrical step hole, rectangular macropore and cylindrical step
Hole is connected and axis is vertical, and cylindrical step hole positions and assembles for oscillating bearing outer ring.
2. oscillating bearing staring torque measuring device according to claim 1, which is characterized in that the inner ring connecting tooling
Torgue measurement section section be rectangle, the clamping for torque spanner.
3. oscillating bearing staring torque measuring device according to claim 1, which is characterized in that by the oscillating bearing A
Be installed to load apply tooling cylindrical step hole in, the outer ring of oscillating bearing A is pushed down with cover board, with screw by cover board with
Upper load applies tooling and fixes；Oscillating bearing B is installed to lower load to apply in the cylindrical step hole of tooling, then uses cover board
Cover board is applied tooling with lower load with screw and fixed by the outer ring for pushing down oscillating bearing B.
4. oscillating bearing staring torque measuring device according to claim 1, which is characterized in that the inner ring is connected work
The upper end of dress is protruded into upper load by the inner ring of oscillating bearing A and is applied in the macropore of tooling, then bushing is covered and connects work in inner ring
The upper end of dress, then the upper end of inner ring connecting tooling is tightened in by nut the inner ring of oscillating bearing A；By inner ring connecting tooling
Lower end is protruded into the macropore of downloading and application tooling by the inner ring of oscillating bearing B, then bushing is covered in inner ring connecting tooling
Lower end, then the lower end of inner ring connecting tooling is tightened in by nut the inner ring of oscillating bearing B.
5. the measurement method of oscillating bearing staring torque measuring device according to claim 1-4, feature exist
In including the following steps：The gripping section that upper load applies tooling and lower load application tooling is loaded into dress with external load respectively
Connection is set, stretching or compressive load are applied to oscillating bearing A and oscillating bearing B, two joints are measured on inner ring connecting tooling
Bearing inner race is with respect to the sum of the staring torque of outer ring rotating MA+MB；Then oscillating bearing A is replaced with oscillating bearing C, measured again
Two oscillating bearing inner rings are with respect to the sum of the staring torque of outer ring rotating MB+MC；Then oscillating bearing B is replaced with oscillating bearing A,
Two oscillating bearing inner rings are measured again with respect to the sum of the staring torque of outer ring rotating MA+MC；It finally solves and obtains each joint shaft
The staring torque in the case where bearing centainly external load function in the axial direction held.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410424613.8A CN104236772B (en) | 2014-08-26 | 2014-08-26 | A kind of oscillating bearing staring torque measuring device and measuring method |
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| CN201410424613.8A CN104236772B (en) | 2014-08-26 | 2014-08-26 | A kind of oscillating bearing staring torque measuring device and measuring method |
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| CN104236772B true CN104236772B (en) | 2018-11-23 |
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| CN105841962A (en) * | 2016-03-29 | 2016-08-10 | 燕山大学 | Novel joint bearing wearing service lifetime testing clamp |
| CN107966288A (en) * | 2017-11-24 | 2018-04-27 | 四川凌峰航空液压机械有限公司 | The having a double meaning bearings collet switching frock of variety classes |
| CN109883820B (en) * | 2019-03-12 | 2024-03-19 | 吉林大学 | Sample clamping device for high-temperature high-frequency complex load loading test |
| CN111024394B (en) * | 2019-12-20 | 2021-07-27 | 东方电气集团东方汽轮机有限公司 | Spherical torsional moment measuring device under thrust bearing working state |
| CN111721532B (en) * | 2020-05-22 | 2022-08-09 | 扬州市舜意机械有限公司 | Synchronous rotation testing machine for inner ring and outer ring of long-rod-end joint bearing |
| CN112229629B (en) * | 2020-10-16 | 2022-07-26 | 中国直升机设计研究所 | Self-lubricating joint bearing starting torque measuring tool and measuring method |
| CN112536743A (en) * | 2020-11-20 | 2021-03-23 | 昌河飞机工业（集团）有限责任公司 | Clamping device for testing starting torque of joint bearing |
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| CN101290265A (en) * | 2008-04-28 | 2008-10-22 | 洛阳铭昊测控科技有限公司 | Railway bearing intelligent on-line detection method and its device |
| CN201497632U (en) * | 2009-09-11 | 2010-06-02 | 张培君 | Hub bearing simulated test machine |
| CN102607750A (en) * | 2012-04-13 | 2012-07-25 | 重庆大学 | Test-bed for friction torque of rolling bearing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102007043392A1 (en) * | 2007-09-12 | 2009-03-19 | Schaeffler Kg | Measuring arrangement for a supported shaft |
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| CN101290265A (en) * | 2008-04-28 | 2008-10-22 | 洛阳铭昊测控科技有限公司 | Railway bearing intelligent on-line detection method and its device |
| CN201497632U (en) * | 2009-09-11 | 2010-06-02 | 张培君 | Hub bearing simulated test machine |
| CN102607750A (en) * | 2012-04-13 | 2012-07-25 | 重庆大学 | Test-bed for friction torque of rolling bearing |
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