CN108152038A - A kind of bearing retainer fatigue experimental device and test method - Google Patents
A kind of bearing retainer fatigue experimental device and test method Download PDFInfo
- Publication number
- CN108152038A CN108152038A CN201711450272.1A CN201711450272A CN108152038A CN 108152038 A CN108152038 A CN 108152038A CN 201711450272 A CN201711450272 A CN 201711450272A CN 108152038 A CN108152038 A CN 108152038A
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- Prior art keywords
- retainer
- bearing retainer
- block stamp
- bearing
- computer
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of bearing retainer fatigue experimental device and test method, it is related to a kind of experimental rig and test method, and the present invention cannot be verified with solving the problem of that the fatigue behaviour of bearing retainer can only analyze simulation result by simulation software.The present invention includes pedestal, column, retainer tooling, high-speed camera, computer, Hydrauservo System and two block stamps, column is set on the base, the top of column is connect with plate, the pedestal of hydraulic cylinder in Hydrauservo System is affixed onboard, the hydraulic stem of hydraulic cylinder is connect with push plate, the hydraulic cylinder of Hydrauservo System controls output pressure and frequency by computer, retainer tooling is fixed on pedestal, bearing retainer is housed in retainer tooling, block stamp and high-speed camera are equipped with above bearing retainer, each block stamp is hinged with push plate, retractable adjusting bar assembly is hinged on each block stamp, the end of each block stamp is equipped with pressure sensor.The present invention is suitable for bearing retainer fatigue test.
Description
Technical field
Present invention relates particularly to a kind of bearing retainer fatigue experimental device and test methods.
Background technology
Bearing is generally made of inner ring, outer ring, retainer and rolling element.In recent years, during bearing use, due to protecting
Bearing fault caused by holding frame fracture takes place frequently, therefore predicts that fatigue life of the retainer under specific operation is more and more important.Nothing
By being ball bearing or roller bearing, for bearing under high-speed condition, inner and outer ring generates relatively crooked, rolling element and retainer
Collide the resonance generated, rolling element is all to cause the important original of retainer fatigue rupture to factors such as the clamping actions of retainer
Cause.At present, each Bearing Factory and scientific research institutions are not to trying the fatigue behaviour of bearing retainer in the service life examination of bearing
Examination is tested, prediction retainer fatigue behaviour can only be analyzed by simulation software, and simulation analysis result not yet obtains testing
Card.
Invention content
For the present invention in order to solve that the fatigue behaviour of bearing retainer can only be analyzed by simulation software, simulation result cannot
The problem of being verified, and a kind of bearing retainer fatigue experimental device and test method are provided.
The present invention adopts the technical scheme that solve above-mentioned technical problem：
It includes pedestal, column, retainer tooling, high-speed camera, computer, Hydrauservo System and two block stamps,
Column is set on the base, and the top of column is connect with plate, and the pedestal of the hydraulic cylinder in Hydrauservo System is affixed
Onboard, the hydraulic stem of hydraulic cylinder is connect with push plate, the hydraulic cylinder of Hydrauservo System by computer control output pressure and
Frequency, retainer tooling are fixed on pedestal, and retainer tooling is equipped with bearing retainer, and block stamp is equipped with above bearing retainer
And high-speed camera, each block stamp are hinged with push plate, and retractable adjusting bar assembly is hinged on each block stamp, each block stamp
End is equipped with pressure sensor, and pressure sensor is connected by the data port of cable and computer, it is each adjust bar assembly with
Push plate is hinged, and high-speed camera is arranged in push plate, and high-speed camera is connected by the data port of cable and computer.
A kind of bearing retainer fatigue test method includes following steps:
Step 1：After retainer is fixed by retainer work, according to the height of the size adjusting post of test sample
Degree, to adjust the height of the block stamp in push plate to suitable position；
Step 2: adjust the angle of two block stamps by adjusting bar assembly；
Step 3: Hydrauservo System is controlled by computer, and pressure and frequency are passed to block stamp, to simulate axis
The process that the rolling element held is hit on retainer；
Step 4: the signal of collection is transmitted to computer by the pressure sensor on block stamp, high-speed camera record was tested
Photo is transmitted to computer by journey, and then to the durability analysis of retainer.
The present invention has the advantages that compared with prior art：
First, it is of the invention by retainer tooling come locating retainer, to ensure that retainer is tested during being hit
The accuracy of data.
2nd, high-speed camera of the invention can dynamically capture the state of retainer fatigue fracture, by result of the test into
Service life of the row analysis retainer under alternate stress.
3rd, the pressure and frequency for controlling Hydrauservo System by computer to export different carry out test data pair
Than to carry out data analysis.
4th, by adjusting the angle of block stamp to be applicable in the retainer fatigue test of different structure.
Description of the drawings
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is the left view of Fig. 1；
Fig. 4 is the front view of locating shaft；
Fig. 5 is the left view of Fig. 4；
Fig. 6 is partial enlarged view at the I of Fig. 3.
Specific embodiment
Specific embodiment one：Illustrate present embodiment with reference to Fig. 1~Fig. 3, present embodiment it include pedestal 1, vertical
Column 2, retainer tooling 4, high-speed camera 6, computer 9, Hydrauservo System 10 and two block stamps 5,
Column 2 is arranged on pedestal 1, and the top of column 2 is connect with adjustable plate 11, the hydraulic cylinder in Hydrauservo System 10
Pedestal be fixed on adjustable plate 11, the hydraulic stem of hydraulic cylinder is connect with push plate 12, and the hydraulic cylinder of Hydrauservo System 10 passes through
Computer 9 controls output pressure and frequency, retainer tooling 4 to be fixed on pedestal 1, and retainer tooling 4 is kept equipped with bearing
Frame 7,7 top of bearing retainer are equipped with block stamp 5 and high-speed camera 6, and each block stamp 5 is hinged with push plate 12, is cut with scissors on each block stamp 5
Retractable adjusting bar assembly 8 is connected to, the end of each block stamp 5 is equipped with pressure sensor, and pressure sensor passes through cable and meter
The data port connection of calculation machine 9, each bar assembly 8 that adjusts is hinged with push plate 12, and high-speed camera 6 is arranged in push plate 12, high
Fast video camera 6 is connect by cable with the data port of computer 9.
Specific embodiment two：Illustrate present embodiment with reference to Fig. 1~Fig. 6, present embodiment retainer tooling 4 includes
Two locating shaft 4-2, two symmetrical mandrel 4-1, two fixed seat 4-3 and six catching 4-4,
The endoporus of two symmetrical mandrel 4-1 and retainer 7 are interference fitted, and the end of each mandrel 4-1 is respectively provided with and mandrel
The concentric through-hole of 4-1 outer circles, the end edge of each mandrel 4-1 is arc-shaped, and two symmetrical mandrel 4-1 are arranged on retainer
The through-hole of formation U-loop slot 4-1-1 in its edge on 7, one end of each locating shaft 4-2 and each mandrel 4-1 are clearance fit,
Each the evenly over the circumference affixed of locating shaft 4-2 is each provided with a catching there are three sleeve 4-2-1, three sleeve 4-2-1
4-4, each catching 4-4 can be slided in sleeve 4-2-1 and be stuck on the outer diameter of retainer 7, and the side of each sleeve 4-2-1 is set
There is tapped through hole, holding screw is provided in each tapped through hole, the other end of each locating shaft 4-2 is fixed in fixed seat 4-3,
Each fixed seat 4-3 is connect with pedestal 1.
Present embodiment can adjust the position of retainer 7, make two neighboring pocket hole and the end of block stamp 5 on retainer 7
It is corresponding.Other compositions and connection relation are same as the specific embodiment one.
Specific embodiment three：Illustrate present embodiment with reference to Fig. 3, the end of block stamp 5 described in present embodiment is ball
Shape or cylinder.The end set of block stamp 5 is to simulate bearing roller into spherical or cylinder by present embodiment.
Other compositions and connection relation are the same as one or two specific embodiments.
Specific embodiment four：Illustrate present embodiment with reference to Fig. 3, two block stamps 5 of present embodiment are cut with scissors with push plate 12
It connects in inverted "eight" shape.
Other compositions and connection relation are identical with specific embodiment three.
Specific embodiment five：Illustrate present embodiment with reference to Fig. 1, the top of column 2 is equipped with described in present embodiment
Screw thread, column 2 pass through adjustable plate 11, and the two sides of adjustable plate 11 is respectively provided with the nut with column 2 for thread fitting.
Present embodiment adjusts the position of two nuts to adjust the position of adjustable plate 11 to adapt to different structure retainer 7
Height.
Other compositions and connection relation are identical with specific embodiment four.
Specific embodiment six：Illustrate present embodiment with reference to Fig. 3, present embodiment each adjusts bar assembly 8 as liquid
Cylinder pressure.Other compositions and connection relation are identical with specific embodiment four or five.
Specific embodiment seven：Illustrate present embodiment with reference to Fig. 3 and Fig. 6, present embodiment each adjusts bar assembly 8
Including bar 8-1, adjusting nut 8-2 and screw rod 8-3,
Bar 8-1 is hinged with block stamp 5, and adjusting nut 8-2 connect with bar 8-1 and can rotate, one end and the push plate 12 of screw rod 8-3
It is hinged, the other end and the adjusting nut 8-2 thread fittings of screw rod 8-3.
Other compositions and connection relation are identical with specific embodiment four or five.
Specific embodiment eight：Illustrate present embodiment, the test method described in present embodiment with reference to Fig. 1~Fig. 3
It is as follows：
Step 1：After retainer 7 is fixed by retainer tooling 4, according to the size adjusting post 2 of test sample
Highly, to adjust the height of the block stamp 5 in push plate 12 to suitable position；
Step 2: adjust the angle of two block stamps 5 by adjusting bar assembly 8；
Step 3: Hydrauservo System 10 is controlled by computer 9, and passes to block stamp 5 by pressure and frequency, carry out mould
Intend the process that retainer 7 is impacted by bearing roller；
Step 4: the signal of collection is transmitted to computer 9, the record experiment of high-speed camera 6 by the pressure sensor on block stamp 5
Photo is transmitted to computer 9 by process, and then to the durability analysis of retainer；
The pressure and frequency of experiment loading are calculated according to bearing operating mode (load and rotating speed etc.), hydraulic servo system
The pressure and frequency that the hydraulic cylinder of system 10 transmits are set to consistent with the pressure and frequency being calculated, to simulate retainer reality
Loading conditions, cycle-index are service life of the retainer under the operating mode, it may be verified that simulation analysis is as a result, instruct design bearing.
Specific embodiment nine：Illustrate present embodiment with reference to Fig. 1~Fig. 3, present embodiment ball bearing retainer is used
Block stamp 5 end be and the matched sphere in ball bearing retainer pocket hole.
Other compositions and connection relation are identical with specific embodiment eight.
Specific embodiment ten：Illustrate present embodiment, present embodiment roller bearing retainer with reference to Fig. 1~Fig. 3
The end of block stamp 5 is and the matched cylinder in roller bearing retainer pocket hole.It is other composition and connection relation with specifically
Embodiment eight is identical.
Claims (10)
1. a kind of bearing retainer fatigue experimental device, it is characterised in that：It includes pedestal (1), column (2), retainer tooling
(4), high-speed camera (6), computer (9), Hydrauservo System (10) and two block stamps (5),
Column (2) is arranged on pedestal (1), and the top of column (2) is connect with adjustable plate (11), in Hydrauservo System (10)
The pedestal of hydraulic cylinder is fixed on adjustable plate (11), and the hydraulic stem of hydraulic cylinder is connect with push plate (12), Hydrauservo System (10)
Hydraulic cylinder output pressure and frequency, retainer tooling (4) is controlled to be fixed on pedestal (1) by computer (9), retainer work
It fills (4) and is equipped with bearing retainer (7), block stamp (5) and high-speed camera (6), each block stamp are equipped with above bearing retainer (7)
(5) it is hinged with push plate (12), retractable adjusting bar assembly (8), the end of each block stamp (5) are hinged on each block stamp (5)
Equipped with pressure sensor, pressure sensor is connect by cable with the data port of computer (9), each adjusts bar assembly (8)
Hinged with push plate (12), high-speed camera (6) is arranged in push plate (12), and high-speed camera (6) passes through cable and computer (9)
Data port connection.
2. a kind of bearing retainer fatigue experimental device according to claim 1, it is characterised in that：Retainer tooling (4)
Including two locating shafts (4-2), two symmetrical mandrels (4-1), two fixed seats (4-3) and six catchings (4-4),
Two symmetrical mandrels (4-1) and the endoporus of retainer (7) are interference fitted, and the end of each mandrel (4-1) is respectively provided with and core
The concentric through-hole of axis (4-1) outer circle, the end edge of each mandrel (4-1) is arc-shaped, and two symmetrical mandrels (4-1) are set
Its edge forms U-loop slot (4-1-1), one end and each mandrel (4-1) of each locating shaft (4-2) on retainer (7)
Through-hole for clearance fit, there are three sleeve (4-2-1), three sleeves for each locating shaft (4-2) evenly over the circumference affixed
(4-2-1) is each provided with a catching (4-4), and each catching (4-4) can be slided in sleeve (4-2-1) and be stuck in retainer
(7) on outer diameter, the side of each sleeve (4-2-1) is equipped with tapped through hole, is provided with holding screw in each tapped through hole, often
The other end of a locating shaft (4-2) is fixed in fixed seat (4-3), and each fixed seat (4-3) connect with pedestal (1).
3. a kind of bearing retainer fatigue experimental device according to claim 1 or 2, it is characterised in that：The block stamp (5)
End be spherical or cylindrical.
4. a kind of bearing retainer fatigue experimental device according to claim 3, it is characterised in that：Two block stamps (5) with
Push plate (12) is in hingedly inverted "eight" shape.
5. a kind of bearing retainer fatigue experimental device according to claim 5, it is characterised in that：The column (2)
Top is equipped with screw thread, and for column (2) across adjustable plate (11), it is thread fitting that the two sides of adjustable plate (11), which is respectively provided with column (2),
Nut.
6. a kind of bearing retainer fatigue experimental device according to claim 4 or 5, it is characterised in that：Each adjusting rod
Component (8) is hydraulic cylinder.
7. a kind of bearing retainer fatigue experimental device according to claim 4 or 5, it is characterised in that：Each adjusting rod
Component (8) includes bar (8-1), adjusting nut (8-2) and screw rod (8-3),
Bar (8-1) and block stamp (5) are hinged, and adjusting nut (8-2) connect with bar (8-1) can simultaneously rotate, one end of screw rod (8-3) and
Push plate (12) is hinged, the other end and adjusting nut (8-2) thread fitting of screw rod (8-3).
8. a kind of bearing retainer fatigue test method, it is characterised in that：It the described method comprises the following steps：
Step 1：After retainer (7) is fixed by retainer tooling (4), according to the size adjusting post (2) of test sample
Height, to adjust the height of the block stamp (5) in push plate (12) to suitable position；
Step 2: adjust the angle of two block stamps (5) by adjusting bar assembly (8)；
Step 3: Hydrauservo System (10) is controlled by computer (9), and passes to block stamp (5) by pressure and frequency, come
The process that simulation retainer (7) is impacted by bearing roller；
Step 4: the signal of collection is transmitted to computer (9), high-speed camera (6) record examination by the pressure sensor on block stamp (5)
It tests process and photo is transmitted to computer (9), and then to the durability analysis of retainer.
9. a kind of bearing retainer fatigue test method according to claim 8, it is characterised in that：Ball bearing retainer is used
Block stamp (5) end be and the matched sphere in ball bearing retainer pocket hole.
10. a kind of bearing retainer fatigue test method according to claim 8, it is characterised in that：Roller bearing is kept
The end of the block stamp (5) of frame is and the matched cylinder in roller bearing retainer pocket hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711450272.1A CN108152038A (en) | 2017-12-27 | 2017-12-27 | A kind of bearing retainer fatigue experimental device and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711450272.1A CN108152038A (en) | 2017-12-27 | 2017-12-27 | A kind of bearing retainer fatigue experimental device and test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108152038A true CN108152038A (en) | 2018-06-12 |
Family
ID=62463306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711450272.1A Pending CN108152038A (en) | 2017-12-27 | 2017-12-27 | A kind of bearing retainer fatigue experimental device and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108152038A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238618A (en) * | 2018-10-10 | 2019-01-18 | 中南大学 | A kind of cutter impact property test device |
| CN110823540A (en) * | 2019-10-24 | 2020-02-21 | 人本集团有限公司 | Automatic detection device for double-row ball bearing retainer |
| CN113390597A (en) * | 2021-06-22 | 2021-09-14 | 西安工业大学 | Planetary bearing collision test system |
| CN114034455A (en) * | 2021-10-25 | 2022-02-11 | 西安交通大学 | Rolling bearing retainer and rolling element collision recovery coefficient measuring device |
| CN117109913A (en) * | 2023-07-12 | 2023-11-24 | 大连工业大学 | Variable contact angle ball bearing steel ball and retainer circumferential impact test device |
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| CN105891036A (en) * | 2016-05-23 | 2016-08-24 | 西南交通大学 | Impacting-sliding composite frictional wear testing device and method thereof |
| CN106442102A (en) * | 2016-12-07 | 2017-02-22 | 中航工业哈尔滨轴承有限公司 | Strength test device for bearing square hole metal retaining frame |
| CN107289846A (en) * | 2017-07-07 | 2017-10-24 | 无锡诚石轴承有限公司 | A kind of bearing iron retainer vibration movement detection device |
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| CS229328B1 (en) * | 1982-09-02 | 1984-06-18 | Radoslav Sablik | Clamping device for a sleeve of the testing apparatus |
| JP2003057151A (en) * | 2001-08-10 | 2003-02-26 | Koyo Seiko Co Ltd | Fatigue testing apparatus for holder for roller bearing |
| JP2007024187A (en) * | 2005-07-15 | 2007-02-01 | Nsk Ltd | Plastic cage for rolling bearing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238618A (en) * | 2018-10-10 | 2019-01-18 | 中南大学 | A kind of cutter impact property test device |
| CN110823540A (en) * | 2019-10-24 | 2020-02-21 | 人本集团有限公司 | Automatic detection device for double-row ball bearing retainer |
| CN113390597A (en) * | 2021-06-22 | 2021-09-14 | 西安工业大学 | Planetary bearing collision test system |
| CN114034455A (en) * | 2021-10-25 | 2022-02-11 | 西安交通大学 | Rolling bearing retainer and rolling element collision recovery coefficient measuring device |
| CN117109913A (en) * | 2023-07-12 | 2023-11-24 | 大连工业大学 | Variable contact angle ball bearing steel ball and retainer circumferential impact test device |
| CN117109913B (en) * | 2023-07-12 | 2024-04-02 | 大连工业大学 | Variable contact angle ball bearing steel ball and retainer circumferential impact test device |
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