CN109540521A - A kind of ball bearing abrasion original reason test platform - Google Patents
A kind of ball bearing abrasion original reason test platform Download PDFInfo
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- CN109540521A CN109540521A CN201910054854.0A CN201910054854A CN109540521A CN 109540521 A CN109540521 A CN 109540521A CN 201910054854 A CN201910054854 A CN 201910054854A CN 109540521 A CN109540521 A CN 109540521A
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- test platform
- breadboard
- ball bearing
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of ball bearing abrasion original reason test platform, including frame body, placement plate is installed on frame body, the bottom of placement plate is connect by slide bar with bottom plate, movable plate is slidably arranged on slide bar and by loading lead screw up and down adjustment vertically, the movable plate upper end is equipped with adaptive elevating mechanism, and adaptive elevating mechanism is connected with breadboard, and sample bulb is equipped on breadboard；Side direction pressurization apparatus is provided in the placement plate of sample bulb side；The upper end of the sample bulb is set with the sample ball cap to match with it, and sample ball cap is connected by transmission mechanism with variable-frequency motor.A kind of ball bearing provided by the invention wears original reason test platform, sample easy to setup, and the ball bearing abrasion original reason test platform of test parameters can be changed without stopping testing stand both in test process.
Description
Technical field
The present invention relates to ball bearing wear test platform, especially a kind of ball bearing wears original reason test platform.
Background technique
With the development of science and technology ball bearing in the industry using more and more extensive, the abrasion principle of the ball bearing of people
Research also more next go deep into.There is sample installation and removal inconvenience, positioning accurates mostly for wear test platform in the prior art
Degree is not high, and after certain test period, needs to stop examination when will appear gap between sample, and changing test parameters
The shortcomings that testing the test efficiency reduced.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of ball bearings to wear original reason test platform, both examination easy to setup
Sample, and test parameters can be changed in the case where not stopping testing stand work.
In order to solve the above technical problems, the technical scheme adopted by the invention is that:
A kind of ball bearing wears original reason test platform, including frame body, is installed with placement plate on frame body, the bottom of placement plate passes through cunning
Bar and bottom plate are linked to be entirety, and movable plate is slidably arranged on slide bar and by loading lead screw up and down adjustment, the movable plate vertically
Upper end is equipped with adaptive elevating mechanism, and adaptive elevating mechanism is connected with breadboard, and sample is detachably equipped on breadboard
Bulb；Side direction pressurization apparatus is provided in the placement plate of sample bulb side, side direction pressurization apparatus includes threaded rod, screw thread
Bar is threadedly coupled with the screw boss in placement plate, and the top of threaded rod is connected with lateral movement plate, on the lateral movement plate
Adaptive hold-down mechanism is installed；The upper end of the sample bulb is set with the sample ball cap to match with it, and sample ball cap is logical
Transmission mechanism is crossed to be connected with variable-frequency motor.
The adaptive elevating mechanism includes the connecting rod connecting with breadboard, and connecting rod lower end passes freely through movable plate,
Pressure plate is between breadboard and movable plate and passes freely through connecting rod, and automatic compensation is cased in the connecting rod of pressure plate lower end
Spring, pressure plate upper end are equipped with pressure sensor.
The breadboard is equipped with spacer pin, the limit hole grafting of spacer pin and sample bulb bottom.
The adaptive hold-down mechanism includes lateral pressure plate, and laterally attached bar one end connect with lateral pressure plate, is another
End passes freely through lateral movement plate, is cased with automatic compensation on the laterally attached bar between the lateral movement plate and lateral pressure plate
Spring.
The transmission mechanism is made of shaft coupling, torque sensor, bearing block and ball cap connecting rod；The ball cap connects
The top of extension bar passes through in the bearing hole of bearing block, then is connected by shaft coupling with the lower end of torque sensor, the torsion
The upper end of square sensor is connected by shaft coupling with variable-frequency motor, and the bottom of the ball cap connecting rod is equipped with connecting pin, described
Connecting pin insertion sample ball cap at the top of connecting hole in realize and the connection of sample ball cap.
The placement plate is in rectangular-ambulatory-plane structure, and breadboard is located at the center of placement plate.
The frame body side is equipped with control cabinet, and control cabinet is equipped with signal receiving module, button and display.
A kind of ball bearing of the present invention wears original reason test platform, has following technical effect that
1), the sample of this testing stand is easy to disassemble improves sample ball simultaneously because being equipped with spacer pin on breadboard with installation
The installation accuracy of head reduces during testing because of test error caused by installation accuracy.
2), control cabinet is equipped with signal receiving module, button and display, and signal receiving module can receive pressure sensing
The signal of device and torque sensor, and shown by display, experimenter can be allowed to understand real-time test situation, root
Change loading force etc. according to situation, experimenter can also adjust the revolving speed of variable-frequency motor by button.Change test parameters
Process substantially increases the efficiency of test without stopping test.
3), it can guarantee that sample contacts always during the test by adaptive elevating mechanism, adaptive hold-down mechanism
Together, wearing clearance is compensated, experimental error and machine stop times are reduced.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is main view of the invention.
Fig. 3 is the structural schematic diagram of lower half portion of the present invention.
Fig. 4 is the structural schematic diagram of adaptive elevating mechanism in the present invention.
Fig. 5 is the main view of adaptive elevating mechanism in the present invention.
Fig. 6 is the partial enlargement diagram in Fig. 1 at A.
Fig. 7 is the structural schematic diagram of sample bulb in the present invention.
Fig. 8 is the structural schematic diagram of sample ball cap in the present invention.
Fig. 9 is the structural schematic diagram of ball cap connecting rod in the present invention.
Figure 10 is the structural schematic diagram that plate is displaced sideways in the present invention.
In figure: frame body 1, feet 10, lower frame 101, upper frame 102 are vertical to load lead screw 11, sample bulb 2, sample ball
Cap 20, limit hole 201, spacer pin 202, ball cap connecting rod 21, connecting pin 22, connecting hole 23, threaded rod 24, screw boss 25,
It is displaced sideways plate 26, laterally attached bar 27, sliding rail 28 is displaced sideways plate 29, slide bar 4, bottom plate 3, control cabinet 5, signal reception mould
Block 50, button 51, display 52, shaft coupling 6, torque sensor 60, bearing block 61, bearing block fixed plate 62, torque sensor
Fixed beam 63, variable-frequency motor 7, motor fixing plate 70, placement plate 8, breadboard 80, connecting rod 801, the automatic counterbalance spring of abrasion loss
802, pressure plate 803, pressure sensor 804, movable plate 9.
Specific embodiment
As shown in Figure 1, a kind of ball bearing wears original reason test platform, including frame body 1, frame body 1 divides for upper frame 102 under
The frame structure that frame body 101, upper frame 102 and lower frame 101 are made of crossbeam, stringer.
It is equipped with feet 10 in the bottom of lower frame 101, feet 10 is in inverted bowl-type, and the placement of testing stand can be improved
Stability.
As shown in Figure 1, being equipped with control cabinet 5 in the side of upper frame 102, it is equipped with processor module in the control cabinet 5,
Processor module uses Siemens SM323PLC；The processor module is separately connected signal receiving module 50, display 52, institute
It states signal receiving module 50 and connects torque sensor 60.Signal receiving module 50 include signal amplification circuit, signal filter circuit,
A/D conversion circuit;The signal amplification circuit uses MAX4196 chip, realizes the amplification of sensor detection signal；The letter
Number filter circuit uses step low-pass ButterWorth filter circuit, filters out other interference noises in sensor signal；It is described
A/D conversion circuit uses ADC0808 chip, realizes the number conversion of sensor detection signal.Display 52 uses 9 cun of works of Mitsubishi
Industry liquid crystal display AA090mh01.Torque sensor 60 uses DTNJ-1050C torque sensor.
As shown in Figure 1, Figure 3, connected between the lower frame 101 and upper frame 102 by placement plate 8, placement plate 8 is in back
Character form structure, centre are equipped with notch, and breadboard 80 is located at the center of placement plate 8 and keeps being spaced with 8 inner wall of placement plate,
It is divided into 1mm-3mm.Spacer pin 202 is equipped on breadboard 80, sample bulb 2 is inserted by the limit hole 201 of themselves bottom
Being fixedly connected for the two is realized in spacer pin 202.By the way that spacer pin is arranged, the installation accuracy of sample bulb 2 can be improved, reduce
The test error as caused by installation accuracy.
As shown in Figs 1-4, the bottom of the breadboard 80 is fixed by slide bar 4 and bottom plate 3 and is linked to be entirety, movable plate 9
It is slidably arranged on slide bar 4,9 center of movable plate is equipped with bearing, and the vertical lead screw 11 that loads rotatably is connected by bearing with movable plate 9
It connects.Vertical load 11 lower end of lead screw passes through bottom plate 3 and is threadedly coupled with bottom plate 3.When the vertical load lead screw 11 of rotation, can drive
Movable plate 9 is along 4 oscilaltion of slide bar.
As in Figure 3-5, the movable plate 9 is equipped with adaptive elevating mechanism, adaptive elevating mechanism and breadboard 80
Connection, and by adaptive elevating mechanism, 2 automatic impaction of sample bulb can be adjusted in 2 course of work of sample bulb.
The adaptive elevating mechanism includes the connecting rod 801 connecting with breadboard 80, and 801 lower end of connecting rod passes freely through
Movable plate 9, so that movable plate 9 can be free to slide along connecting rod 801.Pressure plate 803 between breadboard 80 and movable plate 9 and
Connecting rod 801 is passed freely through, automatic counterbalance spring 802,803 upper end of pressure plate are cased in the connecting rod 801 of 803 lower end of pressure plate
Pressure sensor 804 is installed.It, can be by the pressure sensor 804 on pressure plate 803 due to the effect of automatic counterbalance spring 802
Always it is pressed on breadboard 80.
As shown in Fig. 1, Fig. 7-8,2 upper end of sample bulb is set with the sample ball cap 20 to match with it, sample ball
Connecting hole 23 is equipped at the top of cap 20, the bottom of ball cap connecting rod 21 is equipped with connecting pin 22, and connecting pin 22 is inserted into sample ball cap 20 and pushes up
The connection with sample ball cap 20 is realized in the connecting hole 23 in portion.And ball cap connecting rod 21 is mounted on bearing block 61 by bearing and
The top of ball cap connecting rod 21 is connect after passing through bearing block 61 with shaft coupling 6, and shaft coupling 6 is connected with the lower end of torque sensor 60
It connects, the upper end of torque sensor 60 is connected by shaft coupling 6 with variable-frequency motor 7.By variable-frequency motor 7 drive sample ball cap 20 into
The fretting wear to sample bulb 2 is realized in row rotation.
As shown in Fig. 1, Fig. 6, in addition, it is equipped with side direction pressurization apparatus in the side of placement plate 8 or opposite two sides, it is lateral to add
Pressure device includes threaded rod 24, and threaded rod 24 is threadedly coupled with the screw boss 25 in placement plate 8 and screw boss is stretched out at both ends
25, the front end of threaded rod 24 is connected with lateral movement plate 29, when threaded rod 24 moves forward, is displaced sideways plate 29 also to being pushed forward
It is dynamic.It is additionally provided with adaptive hold-down mechanism in lateral movement 29 side of plate, it can be real to sample bulb 2 by adaptive hold-down mechanism
It is now lateral to compress.
Adaptive hold-down mechanism includes lateral pressure plate 26, and laterally attached 27 one end of bar connect with lateral pressure plate 26, is another
One end passes freely through lateral movement plate 29, covers on the laterally attached bar 27 between the lateral movement plate 29 and lateral pressure plate 26
There is automatic counterbalance spring 802.Lateral pressure plate 26 can be held out against on sample bulb 2 always by automatic counterbalance spring 802, mended
Repay wearing clearance.
In addition, being additionally provided with sliding rail 28 on lateral pressure plate 26, it is displaced sideways at left and right sides of plate 29 and is provided with notch, it is lateral to move
Movable plate 29 can be moved on sliding rail 28 and is oriented to.
In addition, it is identical as adaptive elevating mechanism structure, it is equipped between lateral movement plate 29 and lateral pressure plate 26
Pressure sensor (pressure sensor is not drawn into Fig. 6, but can refer to Fig. 5).
Operation principle and process:
1), when to carry out friction-wear test to sample, sample bulb 2 is first inserted in the spacer pin 202 of breadboard 80
On, then sample ball cap 20 is connected with ball cap connecting rod 21.
2), when sample after the installation is completed, by load vertically screw rod 11 and threaded rod 24 to sample carry out vertical direction
And lateral pressurization.It is now placed between pressure plate 803 and breadboard 80, is displaced sideways between plate 29 and lateral pressure plate 26
On-load pressure can be transmitted in the signal receiving module of control cabinet 5 by pressure sensor 804, and be worked as by the display of display 52
Preceding on-load pressure, the size for the on-load pressure that experimenter can show according to display 52 continue load still to select to fit
Unloading appropriate.After pressure-loaded finishes, the starting and control of variable-frequency motor 7 are controlled by the button on control cabinet 5
Its revolving speed (top that variable-frequency motor 7 is mounted on upper spider 102 by motor fixing plate 70) is made, variable-frequency motor 7 passes through at this time
Shaft coupling 6 transmits motion on torque sensor 60 that (torque sensor 60 is fixed on by torque sensor fixed beam 63
On frame body 101), the torque of measurement is transmitted on signal receiving module 50 by torque sensor 60 on one side, will move through on one side
Shaft coupling 6 passes to ball cap connecting rod 21, and ball cap connecting rod 21 drives sample ball cap 20 to rotate on sample bulb 2, both to examination
Sample carries out friction-wear test.
When carrying out friction-wear test, the abrasion of sample bulb 2 and sample ball cap 20 will cause, to generate
Gap can impact the result of test.Connecting rod 801 and lateral movement plate 29 between movable plate 9 and pressure plate
The automatic counterbalance spring 802 of abrasion loss is installed, abrasion loss compensates bullet automatically on the laterally attached bar 27 between lateral pressure plate 26
Spring 802 can guarantee that sample contacts always during the test, reduce because of the gap pair generated in friction process
The influence that test result generates.
In order to make ball cap connecting rod 21 more steady in the rotation, allowing ball cap connecting rod 21 by shaft coupling 6 and turn round
Square sensor 60 be connected before, be first passed through bearing block 61 bearing hole (bearing block 61 by bearing block fixed plate 62 fixation
On upper spider 102).
Above-mentioned ball bearing abrasion original reason test platform is able to achieve, and test sample is easy to disassemble and installs, simultaneously because
Breadboard 80 is equipped with spacer pin 202, improves the installation accuracy of sample bulb 2, reduces during testing because of installation essence
Test error caused by spending, simultaneously because control cabinet 5 is equipped with signal receiving module 50, button 51 and display 52, signal is connect
Receiving module 50 can receive the signal of pressure sensor and torque sensor 60, and be shown by display 52, can be with
It allows the experimenter to understand real-time test situation, according to circumstances changes loading force etc., experimenter can also adjust by button 51
The revolving speed of whole variable-frequency motor 7.Change the process of test parameters without stopping test, substantially increases the efficiency of test.
Claims (7)
1. a kind of ball bearing wears original reason test platform, it is characterised in that: including frame body (1), frame body is installed with placement plate on (1)
(8), the bottom of placement plate (8) is linked to be entirety by slide bar (4) and bottom plate (3), and movable plate (9) is slidably arranged on slide bar (4)
And by loading lead screw (11) up and down adjustment vertically, movable plate (9) upper end is equipped with adaptive elevating mechanism, adaptive to rise
Descending mechanism is connected with breadboard (80), and sample bulb (2) are detachably equipped on breadboard (80)；The sample bulb (2) one
Side direction pressurization apparatus is provided in the placement plate (8) of side, side direction pressurization apparatus includes threaded rod (24), threaded rod (24) and placement
Screw boss (25) on plate (8) is threadedly coupled, and the top of threaded rod (24) is connected with lateral movement plate (29), the lateral shifting
Movable plate is equipped with adaptive hold-down mechanism on (29)；The upper end of the sample bulb (2) is set with the sample ball to match with it
Cap (20), sample ball cap (20) are connected by transmission mechanism with variable-frequency motor (7).
2. a kind of ball bearing according to claim 1 wears original reason test platform, it is characterised in that: the adaptive lifting
Mechanism includes the connecting rod (801) connecting with breadboard (80), and connecting rod (801) lower end passes freely through movable plate (9), pressure plate
(803) it between breadboard (80) and movable plate (9) and passes freely through connecting rod (801), the connection of pressure plate (803) lower end
It is cased on bar (801) automatic counterbalance spring (802), pressure plate (803) upper end is equipped with pressure sensor (804).
3. a kind of ball bearing according to claim 1 wears original reason test platform, it is characterised in that: the breadboard (80)
It is equipped with spacer pin (202), limit hole (201) grafting of spacer pin (202) and sample bulb (2) bottom.
4. a kind of ball bearing according to claim 1 wears original reason test platform, it is characterised in that: the adaptive compression
Mechanism includes lateral pressure plate (26), and laterally attached bar (27) one end is connect with lateral pressure plate (26), the other end passes freely through
It is displaced sideways plate (29), is cased with certainly on the laterally attached bar (27) between lateral movement plate (29) and lateral pressure plate (26)
Dynamic counterbalance spring (802).
5. a kind of ball bearing according to claim 1 wears original reason test platform, it is characterised in that: the transmission mechanism by
Shaft coupling (6), torque sensor (60), bearing block (61) and ball cap connecting rod (21) composition；The ball cap connecting rod
(21) top passes through in the bearing hole of bearing block (61), then is connected by shaft coupling (6) with the lower end of torque sensor (60)
It connects, the upper end of the torque sensor (60) is connected by shaft coupling (6) with variable-frequency motor (7), the ball cap connecting rod
(21) bottom is equipped with connecting pin (22), and the connecting pin (22) is inserted into real in the connecting hole (23) at the top of sample ball cap (20)
Now with the connection of sample ball cap (20).
6. a kind of ball bearing according to claim 1 wears original reason test platform, it is characterised in that: the placement plate (8)
In rectangular-ambulatory-plane structure, breadboard (9) is located at the center of placement plate (8).
7. a kind of ball bearing according to claim 1 wears original reason test platform, it is characterised in that: the frame body (1) one
Side is equipped with control cabinet (5), and control cabinet (5) is equipped with signal receiving module (50), button (51) and display (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910054854.0A CN109540521B (en) | 2019-01-21 | 2019-01-21 | Ball bearing wearing principle test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910054854.0A CN109540521B (en) | 2019-01-21 | 2019-01-21 | Ball bearing wearing principle test bed |
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| Publication Number | Publication Date |
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| CN109540521A true CN109540521A (en) | 2019-03-29 |
| CN109540521B CN109540521B (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910054854.0A Active CN109540521B (en) | 2019-01-21 | 2019-01-21 | Ball bearing wearing principle test bed |
Country Status (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031224A (en) * | 2019-05-06 | 2019-07-19 | 浙江省机电产品质量检测所 | Roller bearing Dynamic performance examination machine |
| CN110342310A (en) * | 2019-07-11 | 2019-10-18 | 江苏大屯矿业设备有限公司 | A kind of polyurethane adhesive plate conveying device that may be implemented to compensate automatically after abrasion |
| CN111256963A (en) * | 2019-12-23 | 2020-06-09 | 宁波拓普汽车电子有限公司 | Spherical hinge torque test tool |
| CN112345246A (en) * | 2020-11-30 | 2021-02-09 | 苏州亨允晟机电科技有限公司 | Rolling bearing's test die mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110031224A (en) * | 2019-05-06 | 2019-07-19 | 浙江省机电产品质量检测所 | Roller bearing Dynamic performance examination machine |
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| CN110342310A (en) * | 2019-07-11 | 2019-10-18 | 江苏大屯矿业设备有限公司 | A kind of polyurethane adhesive plate conveying device that may be implemented to compensate automatically after abrasion |
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| CN111256963A (en) * | 2019-12-23 | 2020-06-09 | 宁波拓普汽车电子有限公司 | Spherical hinge torque test tool |
| CN112345246A (en) * | 2020-11-30 | 2021-02-09 | 苏州亨允晟机电科技有限公司 | Rolling bearing's test die mechanism |
| CN112345246B (en) * | 2020-11-30 | 2021-11-30 | 佛山市喜舍机械设备有限公司 | Test die mechanism of rolling bearing and use method thereof |
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|---|---|
| CN109540521B (en) | 2021-03-23 |
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Effective date of registration: 20220408 Address after: 211700 east of Yulan Avenue and south of Jinyuan Road, Xuyi county economic development zone, Huai'an City, Jiangsu Province Patentee after: Jiangsu Jingzhou Bearing Co.,Ltd. Address before: 443000 No. 1-2502, building 3, Taifu Plaza, No. 21, Chengdong Avenue, high tech Zone, Yichang City, Hubei Province* Patentee before: YICHANG HUICHENG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20220408 Address after: 443000 No. 1-2502, building 3, Taifu Plaza, No. 21, Chengdong Avenue, high tech Zone, Yichang City, Hubei Province* Patentee after: YICHANG HUICHENG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 443002 No. 8, University Road, Xiling District, Yichang, Hubei Patentee before: CHINA THREE GORGES University |