CN107741325A - A kind of bearing fault detection fixture, detecting system and its application method - Google Patents
A kind of bearing fault detection fixture, detecting system and its application method Download PDFInfo
- Publication number
- CN107741325A CN107741325A CN201711083360.2A CN201711083360A CN107741325A CN 107741325 A CN107741325 A CN 107741325A CN 201711083360 A CN201711083360 A CN 201711083360A CN 107741325 A CN107741325 A CN 107741325A
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- Prior art keywords
- bearing
- measured
- piece
- fault detection
- clamp
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- 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
Abstract
The present invention relates to Bearing testing technical field, particularly a kind of bearing fault detection fixture, detecting system and its application method.Piece group is accommodated including clamping substrate, acceleration transducer and bearing, clamp substrate and be provided with acceleration transducer and bearing blessing piece group, it is upper and lower two groups that the bearing, which accommodates piece component, bearing to be measured is fixed from vertical direction, every group of bearing accommodates piece and is divided into two pieces, two pieces of bearings accommodate piece and clamp bearing to be measured, fix bearing to be measured from horizontal direction, and every group of bearing accommodates piece and clamp bearing outer ring to be measured by locking nut.It is easy to clamp different-thickness bearing.Upper and lower two groups of bearings are provided with bearing locating piece between accommodating piece, and locating piece one end is provided with arc location-plate with clamping substrate connection, the locating piece other end, and arc location-plate is bonded with bearing outer ring to be measured.It is easy to exert pressure and is evenly transferred on bearing, lifts measuring accuracy.
Description
Technical field
The present invention relates to Bearing testing technical field, particularly a kind of bearing fault detection fixture, detecting system and its make
Use method.
Background technology
Bearing is the widely used auxiliary equipment of mechanical industry and basic part, is known as the joint of machinery, its operation
The whether normal performance for often directly affecting entire machine of state（Including precision, reliability and life-span etc.）, therefore bearing fault
Diagnosis has important practical significance.Current domestic bearing fault detection instrument in the prevalence of it is expensive, detection speed is slower
Etc. limitation.Many sensors are tested using hand-held, because arm shake has a strong impact on measurement accuracy.Equipment is adapted to degree
It is low to be unfavorable for mass, scale detection.
The content of the invention
The fast bearing fault detection of a kind of low cost of present invention solution prior art deficiency offer, low-power consumption, detection speed
Instrument, detecting system and its application method.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of bearing fault detection fixture, including clamping substrate, acceleration transducer and bearing accommodate piece group, clamp and are set on substrate
There are acceleration transducer and bearing to accommodate piece group, it is upper and lower two groups that the bearing, which accommodates piece component, and every group of bearing accommodates piece and be divided into
Two pieces, two pieces of bearings accommodate piece and clamp bearing to be measured, and every group of bearing accommodates piece and clamp bearing outer ring to be measured by locking nut.
Two groups of bearings up and down are provided with bearing locating piece, locating piece one end and clamping substrate connection between accommodating piece, fixed
The position block other end is provided with arc location-plate, and arc location-plate is bonded with bearing outer ring to be measured.
Pressure loading blocks are additionally provided with the clamping substrate, cushion is provided between the loading blocks that press and clamping substrate, delays
The material for rushing layer is rubber.
Also include pressure load maintainer, pressure load maintainer includes support shaft and pressure locking sleeve, and support shaft is provided with
External screw thread, pressure locking sleeve are provided with internal thread, support shaft and pressure locking sleeve threaded connection.
Bearing support is set with the support shaft.
The clamping substrate is provided with multiple acceleration transducers, and acceleration transducer detects bearing to be measured.
The model CA-YD-135 of the acceleration transducer.
A kind of bearing fault detection system, including lathe, above-mentioned bearing fault detection fixture, the claw of the lathe clamp
Connection pressure loading blocks or pressure locking sleeve on bearing inner race to be measured, the tool feeding disk of lathe.
A kind of application method of bearing fault detection system, comprises the following steps：
A, bearing to be measured accommodates
Bearing accommodates piece group and clamps bearing outer ring to be measured, and the claw of lathe is installed on bearing inner race to be measured；
B, speed governing is detected
Bearing to be measured is controlled to test rotating speed by lathe rotating speed；
C, pressure loading
Clamping substrate pressure dynamics is adjusted by tool feeding disk；
D, detection is completed
Bearing to be measured is measured by acceleration transducer.
A kind of application method of bearing fault detection system, pass through in the step D and rotate pressure locking sleeve fine adjustment
Clamp substrate pressure dynamics.
Beneficial effects of the present invention are：
1st, a kind of bearing fault detection fixture, including clamping substrate, acceleration transducer and bearing accommodate piece group, clamp on substrate
Piece group is accommodated provided with acceleration transducer and bearing, it is upper and lower two groups that the bearing, which accommodates piece component, and fixation from vertical direction is treated
Bearing is surveyed, every group of bearing accommodates piece and be divided into two pieces, and two pieces of bearings accommodate piece and clamp bearing to be measured, fix axle to be measured from horizontal direction
Hold, every group of bearing accommodates piece and clamp bearing outer ring to be measured by locking nut.It is easy to clamp different-thickness bearing.
2nd, upper and lower two groups of bearings are provided with bearing locating piece, locating piece one end and clamping substrate connection, positioning between accommodating piece
The block other end is provided with arc location-plate, and arc location-plate is bonded with bearing outer ring to be measured.It is easy to exert pressure and is evenly transferred to bearing
On, lift measuring accuracy.
3rd, clamp and pressure loading blocks are additionally provided with substrate, simulate bearing real running environment, pressure loading blocks and clamping base
Cushion is provided between plate, the material of cushion is rubber.It is easy to torque to uniformly transfer while reduces operation noise.
4th, press load maintainer, and pressure load maintainer includes support shaft and pressure locking sleeve, and support shaft is provided with outer spiral shell
Line, pressure locking sleeve are provided with internal thread, support shaft and pressure locking sleeve threaded connection.Feeding pressure is carried out by screw thread
Amount fine setting.Bearing support is set with the support shaft.Lift service life
5th, clamping substrate is provided with multiple acceleration transducers, and acceleration transducer detects bearing to be measured.Multi-point sampler, which improves, to be surveyed
Try precision.
6th, a kind of bearing fault detection system, including lathe, bearing fault detection fixture, the claw of the lathe are installed on
Bearing inner race to be measured, connection pressure loading blocks or pressure locking sleeve on the tool feeding disk of lathe.Large number quipments need not be purchased,
Lower testing cost.Equipment realizes that mass, scale are tested by coordinating with traditional machine tool.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of acceleration transducer.
Embodiment
A kind of bearing fault detection fixture, including clamping substrate 1, acceleration transducer 2 and bearing accommodate piece group 3, clamping
Substrate 1 is provided with acceleration transducer 2 and bearing and accommodates piece group 3, and the bearing accommodates piece group 3 and is divided to for upper and lower two groups, every group of axle
Hold blessing piece and be divided into two pieces, two pieces of bearings accommodate pieces and clamp bearings 12 to be measured, and every group of bearing accommodates piece and clamped by locking nut 4
The outer ring of bearing 12 to be measured.Two groups of bearings up and down are provided with bearing locating piece 5, the one end of locating piece 5 and clamping base between accommodating piece
Plate 1 is connected, and the other end of locating piece 5 is provided with arc location-plate 6, and arc location-plate 6 is bonded with the outer ring of bearing 12 to be measured.The clamping
Pressure loading blocks 7 are additionally provided with substrate 1, cushion 8, the material of cushion 8 are provided between the loading blocks 7 that press and clamping substrate 1
For rubber.
Also include pressure load maintainer 9, pressure load maintainer 9 includes support shaft 10 and pressure locking sleeve 11, support shaft
10 are provided with external screw thread, and pressure locking sleeve 11 is provided with internal thread, and support shaft 10 and pressure locking sleeve 11 are threadedly coupled.Institute
State suit bearing support 11 in support shaft 10.The clamping substrate 1 is provided with multiple acceleration transducers 2, acceleration transducer 2
Detect bearing 12 to be measured.The model CA-YD-135 of the acceleration transducer 2.
A kind of bearing fault detection system, including lathe, above-mentioned bearing fault detection fixture, the claw of the lathe clamp
Connection pressure loading blocks 7 or pressure locking sleeve 11 on the inner ring of bearing 12 to be measured, the tool feeding disk of lathe.
A kind of application method of bearing fault detection system, comprises the following steps：
A, bearing to be measured accommodates
Bearing accommodates piece group 3 and clamps the outer ring of bearing 12 to be measured, and the claw of lathe is installed on the inner ring of bearing 12 to be measured；
B, speed governing is detected
Bearing to be measured is controlled to test rotating speed by lathe rotating speed；
C, pressure loading
The clamping pressure dynamics of substrate 1 is adjusted by tool feeding disk；
D, detection is completed
Bearing 12 to be measured is measured by acceleration transducer 2.
In the step D pressure dynamics of substrate 1 is clamped by rotating pressure locking sleeve 11 fine adjustment.
Sensor is the front end of bearing fault detection instrument, and it is directly associated with object-based device.The reliability of its work and
Precision is directly connected to the confidence level of the last diagnostic result of detector；The size of its dynamic range, determine the dynamic of detector
The size of state scope, thus the selection of sensor has vital effect to overall performance.The composition of detector also can be because
Sensor difference and there is different forms because detector will be designed according to certain sensor.
This bearing fault detection instrument must possess carrying portable first, be easy to hand-held the characteristics of detecting, therefore the river selected
The CA-YD-135 piezoelectric acceleration transducers of energy-electronics technology Co., Ltd of the Soviet Union, profile signal are as shown in Figure 2.This biography
The built-in preamplifier of sensor, small volume are highly suitable for supporting the use.Also hand-holdable its parameter of formula monitoring instrument is as follows：
Experimental facilities：Rolling Bearing Fault Diagnosis Test-bed, 6208 type rolling bearings（Its geometric parameter is as shown in Table 5-1）、
CA6140 lathes.
The geometric parameter of the type rolling bearings of table 5-1 6208
Rolling Bearing Fault Diagnosis Test-bed is as shown in Figure 1.Rolling bearing is placed in support shaft right-hand member shown in Fig. 1, by it by clamping
Sleeve clamping make it that synchronous drive rolling bearing inner ring rotates when support shaft rotates, and support shaft left end is by three-jaw on CA6140 lathes
Chuck clamps.After housing washer positioning, loading blocks are clipped on lathe saddle, knife rest traverse feed is by loading blocks to rolling
Moving axis bearing outer-ring applies load, so ensures that housing washer is static, and the lateral feed for adjusting knife rest can
Change bearing outer ring size loaded.In experiment, different rotating speeds can be obtained by adjusting the rotating speed of lathe spindle.Due to
Influence of the riding position of sensor to fault detection sensitivity be it is bigger, sensor be placed on carrying direction when signal most
By force, at axial direction, signal is most weak, therefore this case has laid two sensors respectively in the carrying direction of rolling bearing.
Claims (10)
1. a kind of bearing fault detection fixture, it is characterised in that including clamping substrate（1）, acceleration transducer（2）With bearing plus
Hold piece group（3）, clamp substrate（1）It is provided with acceleration transducer（2）Piece group is accommodated with bearing（3）, the bearing blessing piece group
（3）It is divided into two groups up and down, every group of bearing accommodates piece and be divided into two pieces, and two pieces of bearings accommodate piece and clamp bearing to be measured（12）, every group of axle
Hold blessing piece and pass through locking nut（4）Clamp bearing to be measured（12）Outer ring.
2. a kind of bearing fault detection fixture according to claim 1, it is characterised in that two groups of bearings up and down accommodate
Bearing locating piece is provided between piece（5）, locating piece（5）One end and clamping substrate（1）Connection, locating piece（5）The other end is provided with arc
Shape location-plate（6）, arc location-plate（6）With bearing to be measured（12）Outer ring is bonded.
A kind of 3. bearing fault detection fixture according to claim 1, it is characterised in that the clamping substrate（1）On also set
There are pressure loading blocks（7）, press loading blocks（7）With clamping substrate（1）Between be provided with cushion（8）, cushion（8）Material be
Rubber.
4. a kind of bearing fault detection fixture according to claim 1, it is characterised in that also include pressure load maintainer
（9）, press load maintainer（9）Including support shaft（10）With pressure locking sleeve（11）, support shaft（10）External screw thread is provided with, is applied
Press locking sleeve（11）It is provided with internal thread, support shaft（10）With pressure locking sleeve（11）Threaded connection.
A kind of 5. bearing fault detection fixture according to claim 4, it is characterised in that the support shaft（10）Upper suit
Bearing support（11）.
A kind of 6. bearing fault detection fixture according to claim 4, it is characterised in that the clamping substrate（1）It is provided with
Multiple acceleration transducers（2）, acceleration transducer（2）Detect bearing to be measured（12）.
A kind of 7. bearing fault detection fixture according to claim 6, it is characterised in that the acceleration transducer（2）'s
Model CA-YD-135.
8. a kind of bearing fault detection system, it is characterised in that including the axle described in lathe, any one of the claims 1 to 7
Fault detect fixture is held, the claw of the lathe is installed on bearing to be measured（12）Inner ring, connect on the tool feeding disk of lathe and apply
Press loading blocks（7）Or pressure locking sleeve（11）.
9. a kind of application method of bearing fault detection system according to claim 8, it is characterised in that comprise the following steps：
A, bearing to be measured accommodates
Bearing accommodates piece group（3）Clamp bearing to be measured（12）Outer ring, the claw of lathe are installed on bearing to be measured（12）Inner ring；
B, speed governing is detected
Bearing to be measured is controlled to test rotating speed by lathe rotating speed；
C, pressure loading
Clamping substrate is adjusted by tool feeding disk（1）Pressure dynamics；
D, detection is completed
Pass through acceleration transducer（2）Measure bearing to be measured（12）.
10. a kind of application method of bearing fault detection system according to claim 9, it is characterised in that in the step D
By rotating the locking sleeve that presses（11）Fine adjustment clamps substrate（1）Pressure dynamics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711083360.2A CN107741325A (en) | 2017-11-07 | 2017-11-07 | A kind of bearing fault detection fixture, detecting system and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711083360.2A CN107741325A (en) | 2017-11-07 | 2017-11-07 | A kind of bearing fault detection fixture, detecting system and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107741325A true CN107741325A (en) | 2018-02-27 |
Family
ID=61234045
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711083360.2A Pending CN107741325A (en) | 2017-11-07 | 2017-11-07 | A kind of bearing fault detection fixture, detecting system and its application method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973601A (en) * | 2016-06-18 | 2016-09-28 | 上海大学 | Testing platform suitable for acceleration service life of rolling bearing |
| CN106586157A (en) * | 2016-11-16 | 2017-04-26 | 嘉善永金金属制品有限公司 | Labeling and detecting device for precision castings |
| CN106596107A (en) * | 2016-12-27 | 2017-04-26 | 华南理工大学 | Flexible precise thin wall bearing fault diagnosis life testing machine |
| CN107014612A (en) * | 2017-03-28 | 2017-08-04 | 浙江工业大学之江学院 | The many size rolling bearing fault simulated experiment platforms of ladder shaft type that a kind of screw rod is clamped |
| CN206445726U (en) * | 2017-01-24 | 2017-08-29 | 无锡飞而康精铸工程有限公司 | A kind of blade positioning and clamping device for vane type framework measuring tool |
-
2017
- 2017-11-07 CN CN201711083360.2A patent/CN107741325A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973601A (en) * | 2016-06-18 | 2016-09-28 | 上海大学 | Testing platform suitable for acceleration service life of rolling bearing |
| CN106586157A (en) * | 2016-11-16 | 2017-04-26 | 嘉善永金金属制品有限公司 | Labeling and detecting device for precision castings |
| CN106596107A (en) * | 2016-12-27 | 2017-04-26 | 华南理工大学 | Flexible precise thin wall bearing fault diagnosis life testing machine |
| CN206445726U (en) * | 2017-01-24 | 2017-08-29 | 无锡飞而康精铸工程有限公司 | A kind of blade positioning and clamping device for vane type framework measuring tool |
| CN107014612A (en) * | 2017-03-28 | 2017-08-04 | 浙江工业大学之江学院 | The many size rolling bearing fault simulated experiment platforms of ladder shaft type that a kind of screw rod is clamped |
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