CN110017983A - A kind of bearing inner race rotary test tooling - Google Patents
A kind of bearing inner race rotary test tooling Download PDFInfo
- Publication number
- CN110017983A CN110017983A CN201910219991.5A CN201910219991A CN110017983A CN 110017983 A CN110017983 A CN 110017983A CN 201910219991 A CN201910219991 A CN 201910219991A CN 110017983 A CN110017983 A CN 110017983A
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- bearing
- inner race
- test
- retaining ring
- bearing inner
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- 238000012360 testing method Methods 0.000 title claims abstract description 62
- 238000009434 installation Methods 0.000 claims abstract description 34
- 239000000523 sample Substances 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 11
- 238000011068 loading method Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01M13/045—Acoustic or vibration analysis
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of bearing inner race rotary test toolings, assembly is installed including bearing inner race rotary shaft, test bearing, bearing inner race set retaining ring, bearing outside, bearing outer ring set retaining ring, outer snare retaining ring fastening bolt, interior snare retaining ring fastening bolt and sensor, it is characterized by: the bearing inner race rotary shaft setting rotates in integrally-built left side in the drive lower bearing inner ring of rotary shaft；Test bearing is mounted at the axle journal of bearing inner race rotary shaft by interference fit；Bearing inner race set retaining ring is fixed in bearing inner race rotary shaft by interior snare retaining ring fastening bolt；Bearing outside is located at the right side of entire mechanism, and cooperates with the outer ring of test bearing；Sensor installation assembly is mounted on bearing outside.The present invention is a kind of special tooling for bearing combined testing machine, and specially a kind of inner ring rotates the fixed test fixture in outer ring, can carry out life test to test bearing in the case where applying single or combined load operating condition.
Description
Technical field
The invention belongs to bearing tester fields, are related to a kind of special fixture of combined type rolling bearing life testing machine,
A kind of specially fixed special bearing in inner ring rotation outer ring tests installs fixture.
Background technique
Rolling bearing is one of the machine components being most widely used, while being also the member that damage is easiest in mechanical equipment
One of part, especially rolling bearing under the conditions of high-speed overload, due to the prolonged and repeated effect of working face contact stress, easily
Cause fatigue, crackle, degrade, the failures such as impression, is produced fracture to cause bearing, it is deadlocked, phenomena such as scaling loss, and then cause whole
The exception of a equipment.
Therefore, the life test before being dispatched from the factory for rolling bearing not only can be improved the production technology of bearing, may be used also
To instruct to use the timely replacement of bearing in equipment.Axial add can be met simultaneously for the life test of bearing is few at present
It carries, topple load and radial loaded, and the bearing test equipment of high-speed overload operating condition can be born, the present invention is a kind of for being somebody's turn to do
The special tooling of composite test equipment, specially a kind of inner ring rotate the fixed test fixture in outer ring.
Summary of the invention
The object of the present invention is to provide a kind of replacements conveniently, suitable for the special fixture of composite bearing test lathe.
The purpose of the present invention is achieved through the following technical solutions with conception:
A kind of bearing inner race rotary test tooling, including bearing inner race rotary shaft, test bearing, bearing inner race set retaining ring,
Bearing outside, bearing outer ring set retaining ring, outer snare retaining ring fastening bolt, interior snare retaining ring fastening bolt and sensor installation assembly
Body, which is characterized in that the bearing inner race rotary shaft is arranged in integrally-built left side, passes through the bolt hole in left end face
It is fixed to each other with rotation drive shaft, so that entire bearing inner race rotary shaft be driven to rotate；Test bearing passes through interference fit installation
At the axle journal of bearing inner race rotary shaft, and the width of axle journal is slightly less than the width of test bearing inner ring；Bearing inner race covers retaining ring
It is fixed in bearing inner race rotary shaft by interior snare retaining ring fastening bolt, is used for axially position test bearing；Bearing outside is set
It cooperates on the right side of entire mechanism, and with the outer ring of test bearing；Bearing outer ring covers retaining ring setting and rotates in bearing inner race
Between axis and bearing outside, it is connected by outer snare retaining ring fastening bolt with bearing outside, bearing outer ring covers retaining ring and is equipped with band
There is the boss of step, is clamped fixation for the outer ring of axially position test bearing, and by outer snare retaining ring fastening bolt；
Sensor installation assembly is mounted on bearing outside.
Further, the left side of the bearing inner race rotary shaft is equipped with the installation conical surface, and mutual with the conical surface of drive shaft
Cooperation；The right side of bearing inner race rotary shaft is equipped with the thimble conical surface and axially loaded thimble cooperates.
Further, the right side of the bearing outside be equipped with axially loaded arc surface, can with it is axially loaded and topple add
Carry and cooperate, test bearing simultaneously topple load and it is axially loaded when, can be generated on axially loaded arc surface
Small sliding prevents axially loaded part from bearing tipping load；It is axial fixed to be equipped with above load arc surface on the right side of bearing outside
Position hole, can position axially loaded part；The side on the cylindrical surface of bearing outside is equipped with radial loaded seat, can cooperate radial direction
Loading device applies radial load to test bearing.
Further, the sensor installs assembly, including sensor installation housing, sensor installation probe, vibration
Dynamic sensor, adjusting nut and pressing spring, above-mentioned sensor installation probe one end are in contact with the outer ring of test bearing, separately
One end is connected with vibrating sensor, and is clearance fit with the inner hole of sensor installation housing；Vibrating sensor passes through pressurization
Spring is pressed on sensor installation probe；Adjusting nut is threadedly attached in outside sensor installation and puts on, while compressing pressurization
The pressing force between vibrating sensor and sensor installation probe is adjusted in spring.
Compared with prior art, the present invention is a kind of special test tooling for combined type bearing tester, be may make
Inner ring completes the load to the axial of test bearing outer ring, radial direction and tipping load in rotary course, and this load can
To select single loading method, knockdown loading method also can choose.The present invention is only a kind of test fixture
It realizes the different modes load of a variety of load, and mechanism is ingenious in design, simplifies the mechanism for testing of bearing, but also there is dismounting
The features such as facilitating.
Detailed description of the invention
Fig. 1 is preceding whole axis side structure schematic diagram of the invention.
Fig. 2 is rear whole axis side structure schematic diagram of the invention.
Fig. 3 is main view of the invention.
Fig. 4 is the cross-sectional view in the direction Fig. 3 A-A.
Fig. 5 is that sensor installs assembly.
As shown in the figure: 1 is bearing inner race rotary shaft, 1-1 is that the installation conical surface, 1-2 are the thimble conical surface, 2 are test bearing, 3
For bearing inner race cover retaining ring, 4 be bearing outside, 4-1 is axially loaded arc surface, 4-2 is axially position hole, 4-3 be it is radial plus
Carry seat, 5 be bearing outer ring cover retaining ring, 6 be outer snare retaining ring fastening bolt, 7 be interior snare retaining ring fastening bolt, 8 be sensor
Installation assembly, 8-1 are sensor installation housing, 8-2 is sensor installation probe, 8-3 is vibrating sensor, 8-4 is adjustment
Nut, 8-5 are pressing spring.
Specific embodiment
Following specific embodiment is described in further detail the purpose of the present invention, and embodiment cannot go to live in the household of one's in-laws on getting married one by one herein
It states, but therefore embodiments of the present invention are not limited to the following examples.
Referring to attached drawing 1 and attached drawing 4, a kind of bearing inner race rotary test tooling, including bearing inner race rotary shaft 1, test axis
Hold 2, bearing inner race set retaining ring 3, bearing outside 4, bearing outer ring set retaining ring 5, outer snare retaining ring fastening bolt 6, interior snare retaining ring
Fastening bolt 7 and sensor install assembly 8, which is characterized in that the bearing inner race rotary shaft 1 is arranged integrally-built
Left side is fixed to each other, to drive entire bearing inner race rotary shaft 1 with rotation drive shaft by the bolt hole in left end face
Rotation；Test bearing 2 is mounted at the axle journal of bearing inner race rotary shaft 1 by interference fit, and the width of axle journal is slightly less than survey
Try the width of 2 inner ring of bearing；Bearing inner race covers retaining ring 3 and is fixed on bearing inner race rotary shaft 1 by interior snare retaining ring fastening bolt 7
On, it is used for axially position test bearing 2；Bearing outside 4 is located at the right side of entire mechanism, and mutual with the outer ring of test bearing 2
Cooperation；Bearing outer ring covers retaining ring 5 and is arranged between bearing inner race rotary shaft 1 and bearing outside 4, fastens spiral shell by outer snare retaining ring
Bolt 6 is connected with bearing outside 4, and bearing outer ring covers retaining ring 5 and is equipped with step boss, for the outer ring of axially position test bearing 2,
And fixation is clamped by outer snare retaining ring fastening bolt 6；Sensor installation assembly 8 is mounted on bearing outside 4.
Referring to attached drawing 1 and attached drawing 2, this example the difference from embodiment 1 is that, a left side for the bearing inner race rotary shaft 1
Side is equipped with installation conical surface 1-1, and cooperates with the conical surface of drive shaft；The right side of bearing inner race rotary shaft 1 is equipped with the thimble conical surface
1-2 and axially loaded thimble cooperate.
Referring to attached drawing 2 and attached drawing 4, this example the difference from embodiment 1 is that, the right side of the bearing outside 4 is equipped with
Axially loaded arc surface 4-1 can cooperate with axially loaded and load of toppling, add simultaneously topple to test bearing 2
When carrying and is axially loaded, small sliding can be generated on axially loaded arc surface 4-1, prevent axially loaded part from bearing load of toppling
Lotus；It is equipped with axially position hole 4-2 above the load arc surface 4-1 on 4 right side of bearing outside, axially loaded part can be determined
Position；The side on the cylindrical surface of bearing outside 4 is equipped with radial loaded seat 4-3, and radial loading device can be cooperated to apply test bearing 2
Radial load.
Referring to attached drawing 5 and attached drawing 3, this example the difference from embodiment 1 is that, the sensor installs assembly 8, packet
Sensor installation housing 8-1, sensor installation probe 8-2, vibrating sensor 8-3, adjusting nut 8-4 and pressing spring 8-5 are included,
Above-mentioned sensor installation probe one end 8-2 is in contact with the outer ring of test bearing 2, and the other end is connected with vibrating sensor 8-3
It connects, and is clearance fit with the inner hole of sensor installation housing 8-1；Vibrating sensor 8-3 is pressed in sensing by pressing spring 8-5
On device installation probe 8-2；Adjusting nut 8-4 is threadedly attached on sensor installation housing 8-1, while compressing pressing spring
The pressing force between vibrating sensor 8-3 and sensor installation probe 8-2 is adjusted in 8-5.
The working principle of this implementation is as follows:
At work, bearing inner race rotary shaft 1 is connected the present invention with main drive part, can drive 2 inner ring of test bearing
Rotation, between the outer ring and bearing outside 4 of test bearing 2 for interference fit and it is fixed.Applying load at Fig. 4 F can
The load of tipping load is carried out to test bearing 2；It, can be to survey when radial loaded seat 4-3 on bearing outside 4 is drawn or pressed
Examination bearing 2 carries out the load of radial Tensile or Compressive Loading；Pass through the load arc surface 4-1 and axially position hole 4- on bearing outside 4
2, the load of axial load can be carried out to the outer ring of test bearing 2.Bearing inner race rotary shaft 1 is equipped with bearing outer ring set retaining ring 5
Certain gap, touching for sound part is rubbed when can prevent.It, can be by being mounted on sensor installation when carrying out bearing life test
The vibrating sensor 8-3 to pop one's head on 8-2 picks up the vibration signal of test bearing 2, then carries out data by test analysis software
Whether analysis discriminating test bearing 2 breaks down.
Above-described embodiment is only preferable example of the invention, is not the restriction to embodiment of the present invention, right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes, there is no necessity and possibility to exhaust all the enbodiments, done within the spirit and principles of the present invention
Any modifications, equivalent replacements, and improvements etc. should be included within claims of the invention.
Claims (4)
1. a kind of bearing inner race rotary test tooling, including bearing inner race rotary shaft (1), test bearing (2), bearing inner race set gear
Enclose (3), bearing outside (4), bearing outer ring set retaining ring (5), outer snare retaining ring fastening bolt (6), interior snare retaining ring fastening bolt
(7) and sensor installs assembly (8), which is characterized in that the bearing inner race rotary shaft (1) is arranged on an integrally-built left side
Side is fixed to each other, to drive entire bearing inner race rotary shaft (1) with rotation drive shaft by the bolt hole in left end face
Rotation；Test bearing (2) is mounted at the axle journal of bearing inner race rotary shaft (1) by interference fit, and the width of axle journal is smaller
In the width of test bearing (2) inner ring；Bearing inner race covers retaining ring (3) and is fixed on bearing by interior snare retaining ring fastening bolt (7)
In inner ring rotary shaft (1), it is used for axially position test bearing (2)；Bearing outside (4) is located at the right side of entire mechanism, and with survey
The outer ring for trying bearing (2) cooperates；Bearing outer ring covers retaining ring (5) and is arranged in bearing inner race rotary shaft (1) and bearing outside (4)
Between, it is connected by outer snare retaining ring fastening bolt (6) with bearing outside (4), bearing outer ring covers retaining ring (5) and is equipped with platform
The boss of rank is used for the outer ring of axially position test bearing (2), and is clamped admittedly by outer snare retaining ring fastening bolt (6)
It is fixed；Sensor installation assembly (8) is mounted on bearing outside (4).
2. bearing inner race rotary test tooling according to claim 1, it is characterised in that: the bearing inner race rotary shaft
(1) left side is equipped with the installation conical surface (1-1), and cooperates with the conical surface of drive shaft；Bearing inner race rotary shaft is set on the right side of (1)
There are the thimble conical surface (1-2) and axially loaded thimble to cooperate.
3. bearing inner race rotary test tooling according to claim 1, it is characterised in that: the bearing outside (4)
Right side is equipped with axially loaded arc surface (4-1), can cooperate with axially loaded and load of toppling, same to test bearing (2)
Shi Jinhang topple load and it is axially loaded when, small sliding can be generated on axially loaded arc surface (4-1), prevented axially loaded
Bear tipping load in part；It is equipped with axially position hole (4-2) above axially loaded arc surface (4-1) on the right side of bearing outside (4),
Axially loaded part can be positioned；The side on the cylindrical surface of bearing outside (4) is equipped with radial loaded seat (4-3), can cooperate
Radial loading device applies radial load to test bearing (2).
4. bearing inner race rotary test tooling according to claim 1, it is characterised in that: the sensor installs assembly
Body (8), including sensor installation housing (8-1), sensor installation probe (8-2), vibrating sensor (8-3), adjusting nut (8-
4) with pressing spring (8-5), above-mentioned sensor installation probe one end (8-2) is in contact with the outer ring of test bearing (2), another
End is connected with vibrating sensor (8-3), and is clearance fit with the inner hole of sensor installation housing (8-1)；Vibrating sensor
(8-3) is pressed on sensor installation probe (8-2) by pressing spring (8-5)；Adjusting nut (8-4) is threadedly attached in biography
Sensor is installed on housing (8-1), while compressing pressing spring (8-5) and vibrating sensor (8-3) and sensor installation spy is adjusted
Pressing force between head (8-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910219991.5A CN110017983A (en) | 2019-03-21 | 2019-03-21 | A kind of bearing inner race rotary test tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910219991.5A CN110017983A (en) | 2019-03-21 | 2019-03-21 | A kind of bearing inner race rotary test tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110017983A true CN110017983A (en) | 2019-07-16 |
Family
ID=67189858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910219991.5A Pending CN110017983A (en) | 2019-03-21 | 2019-03-21 | A kind of bearing inner race rotary test tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110017983A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887589A (en) * | 2019-12-04 | 2020-03-17 | 兰州华汇仪器科技有限公司 | Method for measuring friction torque of bearing during rotation |
| CN115219196A (en) * | 2022-06-23 | 2022-10-21 | 核工业理化工程研究院 | Miniature sensor mounting seat and mounting method thereof |
-
2019
- 2019-03-21 CN CN201910219991.5A patent/CN110017983A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887589A (en) * | 2019-12-04 | 2020-03-17 | 兰州华汇仪器科技有限公司 | Method for measuring friction torque of bearing during rotation |
| CN110887589B (en) * | 2019-12-04 | 2021-08-17 | 兰州华汇仪器科技有限公司 | Method for measuring friction torque of bearing during rotation |
| CN115219196A (en) * | 2022-06-23 | 2022-10-21 | 核工业理化工程研究院 | Miniature sensor mounting seat and mounting method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Zhen Inventor after: Li Weiguang Inventor after: Huang Wenbo Inventor after: Liu Xingjiao Inventor after: Liu Zhenyu Inventor after: Wang Chunbao Inventor after: Liu Quanquan Inventor after: Chen Hui Inventor before: Li Weiguang Inventor before: Li Zhen Inventor before: Huang Wenbo Inventor before: Liu Xingjiao Inventor before: Liu Zhenyu Inventor before: Wang Chunbao Inventor before: Liu Quanquan Inventor before: Chen Hui |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20241010 Address after: 264005, Qingquan Road, Laishan District, Shandong, Yantai, 30 Applicant after: Yantai University Country or region after: China Address before: 528225, Room B201, Building B, Nanhai Industrial Think Tank City, Taoyuan Road, Software Park, Shishan Town, Nanhai District, Foshan City, Guangdong Province Applicant before: FOSHAN HENGSHENG MEDICAL AUTOMATION Co.,Ltd. Country or region before: China |