CN107560854A - The durable test device and its method of testing of a kind of needle bearing - Google Patents
The durable test device and its method of testing of a kind of needle bearing Download PDFInfo
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- CN107560854A CN107560854A CN201710916031.5A CN201710916031A CN107560854A CN 107560854 A CN107560854 A CN 107560854A CN 201710916031 A CN201710916031 A CN 201710916031A CN 107560854 A CN107560854 A CN 107560854A
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- pressurized cylinder
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- needle bearing
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- 238000012360 testing method Methods 0.000 title claims abstract description 64
- 238000010998 test method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000000047 product Substances 0.000 claims description 29
- 230000033001 locomotion Effects 0.000 claims description 16
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 239000003351 stiffener Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 206010003671 Atrioventricular Block Diseases 0.000 description 1
- 208000010271 Heart Block Diseases 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a kind of durable test device of needle bearing, and it can effectively realize durability test, so as to meet the durable use of certain time；Present invention also offers a kind of durability test method of needle bearing；It includes supporting plate, rotary loading mechanism is provided with the supporting plate, the rotary loading mechanism is connected with the eccentric block of water pressure fluctuations linkage, the piston rod of the trace of the water pressure fluctuations linkage and the pressurized cylinder of air pressure load maintainer connects, the pressurized cylinder is connected with the water receptacle of angle rotating mechanism by pipeline and communicated, pressurized cylinder and electric Proportion valve, the air pressure two-way valve of the air pressure-loading mechanism electricly connect, and the rotary loading mechanism, water pressure fluctuations linkage, air pressure-loading mechanism, angle rotating mechanism electricly connect.
Description
Technical field
The present invention relates to needle bearing technical field, the durable test device of specially a kind of needle bearing and its test side
Method.
Background technology
Existing automobile is by adjusting valve size, and to adjust the size of automobile power, and automobile engine is most attached most importance to
The part wanted, when valve is adjusted, needle bearing is installed on connected axle, to play support turning effort, and
For needle bearing in the test of automotive performance, there is the test of load wear, pitting corrosion etc., but in the resistance to of needle bearing
Compare shortcoming in test long, and portions of client needs needle bearing meeting the durable use of certain time again, therefore, rolling
The durability test of needle bearing is required.
The content of the invention
In view of the above-mentioned problems, the invention provides a kind of durable test device of needle bearing, it can effectively realize durable
Property test, so as to meet the durable use of certain time；Present invention also offers a kind of durability test method of needle bearing.
Its technical scheme is such, it is characterised in that it includes supporting plate, and rotation loading is provided with the supporting plate
Mechanism, the rotary loading mechanism are connected with the eccentric block of water pressure fluctuations linkage, the water pressure fluctuations linkage
The piston rod of the pressurized cylinder of trace and air pressure load maintainer connects, and the pressurized cylinder passes through pipeline and angle rotating mechanism
Water receptacle connection communicate, pressurized cylinder and electric Proportion valve, the air pressure two-way valve of the air pressure-loading mechanism electricly connect, institute
Rotary loading mechanism, water pressure fluctuations linkage, air pressure-loading mechanism, angle rotating mechanism is stated to electricly connect.
It is further characterized by：
The angle rotating mechanism includes electric rotating machine and the support frame in mountain font positioned at the side of supporting plate one,
The electric rotating machine is connected after connecting the first deceleration head by shaft coupling with rotating shaft one end, and the rotating shaft other end penetrates described
It is installed on after water receptacle by clutch shaft bearing on support frame as described above, water pressure gauge is housed on the water receptacle, test product is installed on
In the rotating shaft in the water receptacle；
The air pressure-loading mechanism includes the pressurized cylinder being fixed in the supporting plate, and the pressurized cylinder passes through described
Pipeline connects the water receptacle, fixed block is provided with the supporting plate, one end of the trace is after the fixed block
It is connected with the piston rod of the pressurized cylinder；
The rotary loading mechanism includes the fixed mount for being fixed on another side of the supporting plate, and second is equipped with the fixed mount
Deceleration head, servomotor are connected after connecting the second deceleration head with the eccentric block of the water pressure fluctuations linkage；
The water pressure fluctuations linkage includes eccentric stiffener, roller, trace, and the eccentric stiffener includes rotating wheel, bias
Block, it is connected between the rotating wheel, roller by connecting rod, the roller is loaded in U-shaped fixed block by bearing pin, described
Fixed block is connected with the other end of the trace, and the eccentric block bottom is connected with the second deceleration head, described inclined
Dovetail groove is provided with heart block, sliding bar bottom is assemblied in the dovetail groove, and the sliding bar upper end is filled by second bearing
Assigned in the rotating wheel；
A kind of durability test method of needle bearing, it is characterised in that：Its specific method of testing is：
（1）, setting test product the durable test time, after test product is installed in the rotating shaft in the water receptacle,
Electric Proportion valve transmission supercharging instruction is given by the servo controller, is increased by electric Proportion valve to inside pressurized cylinder
Add basic air pressure, basic air pressure increase is completed, and after stable gas pressure, closes air pressure two-way valve；
（2）, servomotor motion drive eccentric block rotate, rotating wheel and connected roller effect, drive trace back and forth
Move, then piston rod movement produces sine wave air pressure to compress pressurized cylinder；
（3）, electric rotating machine and servomotor be synchronized with the movement, after pressurized cylinder connects water receptacle by pipeline, pressurized cylinder produces
Sine wave air pressure be converted to the sine wave hydraulic pressure of circulation, the test product in water receptacle in rotating shaft is observed under the change hydraulic pressure
Whether end seeps water, if test product does not all seep water within the durable test time, that is, realizes the durable test of test product；
It is further characterized by：
The durable test time of test product is 1008h, and rotating wheel rotates a circle is for a cycle, each cycle usage time
1s, i.e. test product are in 1008h × 60min × realize durable test in 60s cycle；
When electric rotating machine is synchronized with the movement with servomotor, the angle that both rotate is corresponding, and its corresponding relation is：Work as electric rotating machine
0 ° is rotated forward, i.e., when the eccentric block that servomotor drives is in situ, piston rod is located in the middle part of pressurized cylinder；
When electric rotating machine rotates forward 45 °, i.e., the eccentric block that servomotor drives turn clockwise 1/4 circle when, piston rod is located at
Pressurized cylinder bottommost；
When electric rotating machine rotates forward 90 °, i.e., the eccentric block that servomotor drives turn clockwise 1/2 circle when, piston rod is located at
In the middle part of pressurized cylinder；
When electric rotating machine reversely rotate 45 °, i.e., servomotor drive eccentric block turn clockwise 3/4 circle when, piston rod is located at
Pressurized cylinder most external；
When electric rotating machine reversely rotates 90 °, i.e., the eccentric block that servomotor drives completes a circle rotation, piston rod is positioned at supercharging
Cylinder middle section；
The step（2）In the pressurized cylinder in sine wave air pressure be 0.02Mpa ~ 1Mpa；
The step（3）In, the pressure value in water pressure gauge monitoring water receptacle, if pressure value passes through not within setting range
Sliding bar, towards slip at pressurized cylinder, makes trace drive piston rod movement to compress supplement gas to pressurized cylinder in dovetail groove
Pressure.
The invention has the advantages that servo controller transmits supercharging instruction to electric Proportion valve, pass through electric Proportion valve
Increase basic air pressure to air pressure-loading mechanism, basic air pressure increase is completed, and after stable gas pressure, closes air pressure two-way valve, angle
Rotating mechanism, rotary loading mechanism are synchronized with the movement, and rotary loading mechanism effect makes air pressure-loading mechanism produce sine wave air pressure, with
Sine wave air pressure is converted to the sine wave hydraulic pressure of circulation in water receptacle afterwards, and test product end is observed under the sine wave hydraulic pressure is
No infiltration, if test product does not all seep water within the durable test time, that is, the durable test of test product is realized, so as to full
The durable use for the certain time that sufficient client needs.
Brief description of the drawings
Fig. 1 is the main structure diagram of the present invention；
Fig. 2 is the cross section structure diagram of the present invention；
Fig. 3 is the three-dimensional structure diagram of the present invention.
Embodiment
As shown in Fig. 1 ~ Fig. 3, the present invention includes supporting plate 1, and rotary loading mechanism, rotation loading are provided with supporting plate 1
Mechanism is connected with the eccentric block 18 of water pressure fluctuations linkage, the trace 12 and air pressure-loading machine of water pressure fluctuations linkage
The piston rod of the pressurized cylinder 10 of structure is connect, and pressurized cylinder 10 is communicated by the connection of the water receptacle 8 of pipeline and angle rotating mechanism,
Pressurized cylinder 10 and electric Proportion valve 2, the air pressure two-way valve 3 of air pressure-loading mechanism electricly connect, rotary loading mechanism, hydraulic pressure ripple
Dynamic linkage, air pressure-loading mechanism, angle rotating mechanism electricly connect, i.e. angle rotating mechanism, air pressure-loading mechanism, rotation
Load maintainer, electric Proportion valve 2, air pressure two-way valve 3 are corresponding to electricly connect servo controller, and servo controller is controlled using ethcat
Device processed, test product are installed on angle rotating mechanism.
Angle rotating mechanism includes electric rotating machine 4 and the support frame 5 in mountain font positioned at the side of supporting plate 1 one, rotation
Connect after the deceleration first 27 of the connection of rotating motor 4 first by shaft coupling 6 and the axle of rotating shaft 7, shaft coupling 6 is yielding coupling, and rotating shaft 7 is another
End is installed on support frame 5 after penetrating water receptacle 8 by clutch shaft bearing 9, and water pressure gauge 9, test product installation are housed on water receptacle 8
In in the rotating shaft 7 in water receptacle 8.
Air pressure-loading mechanism includes the pressurized cylinder 10 being fixed in supporting plate 1, and pressurized cylinder 10 connects water by pipeline
Container 8, fixed block 11 is provided with supporting plate 1, and the piston after fixed block 11 with pressurized cylinder 10 is run through in one end of trace 12
Bar is connected.
Rotary loading mechanism includes the fixed mount 13 for being fixed on 1 another side of supporting plate, subtracts on fixed mount 13 equipped with second
Kinetic head 14, it is connected after the deceleration first 14 of the connection of servomotor 15 second with water pressure fluctuations linkage；Water pressure fluctuations linkage
Including eccentric stiffener, roller 17, the eccentric stiffener includes rotating wheel 16, eccentric block 18, passed through between rotating wheel 16, roller 17
Connecting rod 19 is connected, and roller 17 is loaded in U-shaped fixed block 21 by bearing pin 20, the other end of fixed block 21 and trace 12
It is connected, the bottom of eccentric block 18 is connected with the second deceleration first 14, and dovetail groove 22, the bottom of sliding bar 23 dress are provided with eccentric block 18
Assigned in dovetail groove 22, the upper end of sliding bar 23 is assemblied in rotating wheel 16 by second bearing 24.
Clutch shaft bearing 9, second bearing 24 are deep groove ball bearing；Water receptacle 8 is transparent vessel.
A kind of durability test method of needle bearing, it is assumed that the durable test time that test product needs is 1008h, rotation
When motor 4 is synchronized with the movement with servomotor 15, rotation and the compression pressurized cylinder 10 of electric rotating machine 4 produce watching for sine wave air pressure
Take that the angle of motor 15 is corresponding, this corresponding relation according to circumstances can change in the test system of servo controller, rotation
It is 1s that wheel 16, which rotates a circle as a cycle, each cycle usage time, and test product is needed at 1008h × 60min × 60s
Meeting the durable test whether to seep water in cycle, then the sine wave hydraulic pressure in each cycle changes between 0.22Mpa ~ 0.32Mpa,
I.e. test product carries out durable test in the case where the 0.22Mpa ~ 0.32Mpa changes hydraulic pressure；
The course of work in each cycle is that is, specific method of testing is：
（1）, after test product is installed in the rotating shaft 7 in water receptacle 8, give the transmission of electric Proportion valve 2 to increase by servo controller
Pressure instruction, basic air pressure 0.27Mpa is increased to the inside of pressurized cylinder 10 by electric Proportion valve 2, the basic air pressure can be according to visitor
Family is needed freely to set, then basic air pressure increase is completed, and after stable gas pressure, closes air pressure two-way valve 3；
（2）, servomotor 15 motion drive eccentric block 18 rotate, rotating wheel 16 and connected roller 17 act on, drive connect
Lever 12 moves back and forth, then piston rod movement is to compress the sine wave air pressure that pressurized cylinder 10 produces 0.22Mpa ~ 0.32Mpa, i.e.,
Eccentric block 18 rotates a circle once to be moved back and forth equivalent to trace 12, and eccentric block 18 is rotated a circle and is set to the positive and reverse return of rotating shaft 7
Turn 0 ° ~ 90 °, i.e., the angle corresponding relation and corresponding pressure value that electric rotating machine 4 rotates with servomotor 15 are：
When electric rotating machine 4 rotates forward 0 °, i.e., the eccentric block 18 that servomotor 15 drives is in situ, piston rod is positioned at supercharging
The middle part of cylinder 10, the pressure value of pressurized cylinder 10 is 0.27 Mpa；
When electric rotating machine 4 rotates forward 45 °, i.e., the eccentric block 18 that servomotor 15 drives turn clockwise 1/4 circle when, piston rod
Positioned at the bottommost of pressurized cylinder 10, air pressure caused by pressurized cylinder 10 is 0.32Mpa；
When electric rotating machine 4 rotates forward 90 °, i.e., the eccentric block 18 that servomotor 15 drives turn clockwise 1/2 circle when, piston rod
Positioned at the middle part of pressurized cylinder 10, air pressure caused by pressurized cylinder 10 is 0.27Mpa；
When electric rotating machine 4 reversely rotate 45 °, i.e., servomotor 15 drive eccentric block 18 turn clockwise 3/4 circle when, piston rod
Positioned at the most external of pressurized cylinder 10, air pressure caused by pressurized cylinder 10 is 0.22Mpa；
When electric rotating machine 4 reversely rotates 90 °, i.e., the eccentric block 18 that servomotor 15 drives completes a circle rotation, piston rod position
In the middle part of pressurized cylinder 10, air pressure caused by pressurized cylinder 10 is 0.27Mpa；
（3）While electric rotating machine 4 is synchronized with the movement, after pressurized cylinder 10 connects water receptacle 8 by pipeline, pressurized cylinder 10 produces
Sine wave air pressure be converted to the 0.22Mpa ~ 0.32Mpa sine wave hydraulic pressure circulated accordingly, observe water under the change hydraulic pressure
Whether the test product end in container 8 in rotating shaft 7 is seeped water, and the resistance to of certain time is realized to test product by infiltration situation
Test long, if test product, in 1008h × 60min × all do not seeped water in 60s cycle, it is conjunction to mean that the test product
Lattice, the 1008h of client's needs durable use can be met；And water pressure gauge 9 monitors the pressure value in water receptacle 8, if often
In the individual cycle, sine wave air pressure or sine wave hydraulic pressure pressure value pass through sliding bar not within the scope of 0.22Mpa ~ 0.32Mpa
23 is interior towards slip at pressurized cylinder 10 in dovetail groove 22, makes trace 12 drive piston rod movement to be mended to be compressed to pressurized cylinder 10
Inflation pressure, is allowed to atmospheric pressure value and is within the scope of 0.22Mpa ~ 0.32Mpa, after the completion of supplement, sliding bar 23 is fixed on dovetail
In groove 22.
In figure, 25 be deep groove ball bearing；26 be sealing ring.
Claims (10)
1. a kind of durable test device of needle bearing, it is characterised in that it includes supporting plate, and rotation is provided with the supporting plate
Turn load maintainer, the rotary loading mechanism is connected with the eccentric block of water pressure fluctuations linkage, the water pressure fluctuations connecting rod
The piston rod of the trace of mechanism and the pressurized cylinder of air pressure load maintainer is connect, and the pressurized cylinder is revolved by pipeline and angle
The water receptacle connection of rotation mechanism communicates, and pressurized cylinder and electric Proportion valve, the air pressure two-way valve of the air pressure-loading mechanism are automatically controlled
Connection, the rotary loading mechanism, water pressure fluctuations linkage, air pressure-loading mechanism, angle rotating mechanism electricly connect.
A kind of 2. durable test device of needle bearing according to claim 1, it is characterised in that the angle whirler
Structure includes electric rotating machine and the support frame in mountain font positioned at the side of supporting plate one, the electric rotating machine connection the
It is connected after one deceleration head by shaft coupling with rotating shaft one end, the rotating shaft other end passes through first axle after penetrating the water receptacle
Hold and be installed on support frame as described above, water pressure gauge is housed on the water receptacle, test product is installed on described in the water receptacle
In rotating shaft.
A kind of 3. durable test device of needle bearing according to claim 1, it is characterised in that the air pressure-loading machine
Structure includes the pressurized cylinder being fixed in the supporting plate, and the pressurized cylinder connects the water capacity by the pipeline
Device, is provided with fixed block in the supporting plate, one end of the trace run through after the fixed block with the pressurized cylinder
Piston rod is connected.
A kind of 4. durable test device of needle bearing according to claim 1, it is characterised in that the rotation loading machine
Structure includes the fixed mount for being fixed on another side of the supporting plate, the second deceleration head is housed on the fixed mount, servomotor connects
It is connected after connecing the second deceleration head with the eccentric block of the water pressure fluctuations linkage.
5. the durable test device of a kind of needle bearing according to claim 1, it is characterised in that the water pressure fluctuations connect
Linkage includes eccentric stiffener, roller, trace, and the eccentric stiffener includes rotating wheel, eccentric block, the rotating wheel, roller
Between be connected by connecting rod, the roller by bearing pin loaded in U-shaped fixed block, the fixed block and the trace
The other end be connected, the eccentric block bottom is connected with the second deceleration head, and dovetail groove is provided with the eccentric block, sliding
Lever bottom is assemblied in the dovetail groove, and the sliding bar upper end is assemblied in the rotating wheel by second bearing.
6. using a kind of durability test method of the durable test device of needle bearing as claimed in claim 1, its feature exists
In：Its specific method of testing is：
（1）, setting test product the durable test time, after test product is installed in the rotating shaft in the water receptacle,
Electric Proportion valve transmission supercharging instruction is given by the servo controller, is increased by electric Proportion valve to inside pressurized cylinder
Add basic air pressure, basic air pressure increase is completed, and after stable gas pressure, closes air pressure two-way valve；
（2）, servomotor motion drive eccentric block rotate, rotating wheel and connected roller effect, drive trace back and forth
Move, then piston rod movement produces sine wave air pressure to compress pressurized cylinder；
（3）, electric rotating machine and servomotor be synchronized with the movement, after pressurized cylinder connects water receptacle by pipeline, pressurized cylinder produces
Sine wave air pressure be converted to the sine wave hydraulic pressure of circulation, the test product in water receptacle in rotating shaft is observed under the change hydraulic pressure
Whether end seeps water, if test product does not all seep water within the durable test time, that is, realizes the durable test of test product.
A kind of 7. durability test method of needle bearing according to claim 6, it is characterised in that test product it is durable
Testing time is 1008h, and it is 1s, i.e. test product that the rotating wheel, which rotates a circle as a cycle, each cycle usage time,
In 1008h × 60min × realize durable test in 60s cycle.
A kind of 8. durability test method of needle bearing according to claim 6, it is characterised in that the electric rotating machine with
When servomotor is synchronized with the movement, the angle that both rotate is corresponding, and its corresponding relation is：
When the electric rotating machine rotates forward 0 °, i.e., the eccentric block that described servomotor drives is in situ, piston rod
In the middle part of the pressurized cylinder；
When the electric rotating machine rotates forward 45 °, i.e., the eccentric block that described servomotor drives turns clockwise 1/4 circle
When, piston rod is located at the pressurized cylinder bottommost；
When the electric rotating machine rotates forward 90 °, i.e., the eccentric block that described servomotor drives turns clockwise 1/2 circle
When, piston rod is located in the middle part of the pressurized cylinder；
When the electric rotating machine reversely rotates 45 °, i.e., the eccentric block that the servomotor drives turns clockwise 3/4 circle
When, piston rod is located at the pressurized cylinder most external；
It is living when the electric rotating machine reversely rotates 90 °, i.e., the eccentric block that described servomotor drives completes a circle rotation
Stopper rod is located in the middle part of the pressurized cylinder.
A kind of 9. durability test method of needle bearing according to claim 6, it is characterised in that the step（2）In
The pressurized cylinder in sine wave air pressure be 0.02Mpa ~ 1Mpa.
A kind of 10. durability test method of needle bearing according to claim 6, it is characterised in that the step（3）
In, water pressure gauge monitors the pressure value in the water receptacle, if pressure value not within setting range, by sliding bar described
Towards slip at the pressurized cylinder in dovetail groove on eccentric block, the trace is set to drive piston rod movement with to the supercharging
Cylinder compression supplements air pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710916031.5A CN107560854B (en) | 2017-09-30 | 2017-09-30 | Durability testing device and method for needle bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710916031.5A CN107560854B (en) | 2017-09-30 | 2017-09-30 | Durability testing device and method for needle bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107560854A true CN107560854A (en) | 2018-01-09 |
| CN107560854B CN107560854B (en) | 2024-03-19 |
Family
ID=60983915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710916031.5A Active CN107560854B (en) | 2017-09-30 | 2017-09-30 | Durability testing device and method for needle bearing |
Country Status (1)
| Country | Link |
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| CN (1) | CN107560854B (en) |
Cited By (2)
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|---|---|---|---|---|
| CN109855871A (en) * | 2019-01-03 | 2019-06-07 | 洛阳轴承研究所有限公司 | A kind of needle bearing testing equipment |
| CN113155455A (en) * | 2021-04-14 | 2021-07-23 | 人本股份有限公司 | Needle bearing test mechanism |
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Cited By (2)
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| CN113155455A (en) * | 2021-04-14 | 2021-07-23 | 人本股份有限公司 | Needle bearing test mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107560854B (en) | 2024-03-19 |
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