CN209727457U - A kind of bearing inner race rotary test tooling - Google Patents
A kind of bearing inner race rotary test tooling Download PDFInfo
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- CN209727457U CN209727457U CN201920367681.3U CN201920367681U CN209727457U CN 209727457 U CN209727457 U CN 209727457U CN 201920367681 U CN201920367681 U CN 201920367681U CN 209727457 U CN209727457 U CN 209727457U
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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 63
- 238000009434 installation Methods 0.000 claims abstract description 34
- 239000000523 sample Substances 0.000 claims description 13
- 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
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000007405 data analysis 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
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model 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, 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 utility model 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 utility model belongs to bearing tester field, is related to a kind of exclusive clamps of combined type rolling bearing life testing machine
Tool, the specially fixed special bearing in a kind of inner ring rotation outer ring test 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 utility model is a kind of use
In the special tooling of the composite test equipment, specially a kind of inner ring rotates the fixed test fixture in outer ring.
Summary of the invention
The purpose of the utility model is to provide a kind of replacements conveniently, suitable for the special fixture of composite bearing test lathe.
The purpose of this utility model 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 utility model is a kind of special test tooling for combined type bearing tester, can
So that inner ring is in rotary course, complete the load to the axial of test bearing outer ring, radial direction and tipping load, and it is this plus
Load can choose single loading method, also can choose knockdown loading method.The utility model is only a kind of test
Tooling can realize the different modes load of a variety of load, and mechanism is ingenious in design, simplifies the mechanism for testing of bearing, but also
Have the characteristics that convenient for disassembly and assembly.
Detailed description of the invention
Fig. 1 is the preceding whole axis side structure schematic diagram of the utility model.
Fig. 2 is the rear whole axis side structure schematic diagram of the utility model.
Fig. 3 is the main view of the utility model.
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 this utility model, and embodiment cannot herein one
One repeats, but therefore the embodiments of the present invention is 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:
When the utility model at work, bearing inner race rotary shaft 1 is connected with main drive part, can drive test bearing 2
The rotation of inner ring is interference fitted and fixed between the outer ring and bearing outside 4 of test bearing 2.Apply at Fig. 4 F and carries
Lotus can carry out the load of tipping load to test bearing 2；It, can when radial loaded seat 4-3 on bearing outside 4 is drawn or pressed
The load of radial Tensile or Compressive Loading is carried out to test bearing 2；Pass through the load arc surface 4-1 and axially position on bearing outside 4
Hole 4-2 can carry out the load of axial load to the outer ring of test bearing 2.Bearing inner race rotary shaft 1 and bearing outer ring cover retaining ring 5
Equipped with certain gap, touching for sound part is rubbed when can prevent.It, can be by being mounted on sensor when carrying out bearing life test
Vibrating sensor 8-3 on installation probe 8-2 picks up the vibration signal of test bearing 2, is then carried out by test analysis software
Whether data analysis discriminating test bearing 2 breaks down.
Above-described embodiment is only the preferable example of the utility model, is not to the utility model embodiment
It limits, for those of ordinary skill in the art, other different forms can also be made on the basis of the above description
Variation or variation, there is no necessity and possibility to exhaust all the enbodiments, all spirit and original in the utility model
Made any modifications, equivalent replacements, and improvements etc. within then, should be included in the claims of the utility model
Within.
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 |
|---|---|---|---|
| CN201920367681.3U CN209727457U (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 |
|---|---|---|---|
| CN201920367681.3U CN209727457U (en) | 2019-03-21 | 2019-03-21 | A kind of bearing inner race rotary test tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209727457U true CN209727457U (en) | 2019-12-03 |
Family
ID=68687923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920367681.3U Expired - Fee Related CN209727457U (en) | 2019-03-21 | 2019-03-21 | A kind of bearing inner race rotary test tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209727457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017983A (en) * | 2019-03-21 | 2019-07-16 | 佛山衡生医疗自动化有限公司 | A kind of bearing inner race rotary test tooling |
| CN114323648A (en) * | 2021-11-30 | 2022-04-12 | 北京智束科技有限公司 | Test system for dynamic performance of ball bearing of X-ray tube |
-
2019
- 2019-03-21 CN CN201920367681.3U patent/CN209727457U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110017983A (en) * | 2019-03-21 | 2019-07-16 | 佛山衡生医疗自动化有限公司 | A kind of bearing inner race rotary test tooling |
| CN110017983B (en) * | 2019-03-21 | 2025-03-25 | 烟台大学 | A bearing inner ring rotation test tool |
| CN114323648A (en) * | 2021-11-30 | 2022-04-12 | 北京智束科技有限公司 | Test system for dynamic performance of ball bearing of X-ray tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |