CN107525658A - Fluid pressure type fatigue machine for testing torsion - Google Patents
Fluid pressure type fatigue machine for testing torsion Download PDFInfo
- Publication number
- CN107525658A CN107525658A CN201610666537.0A CN201610666537A CN107525658A CN 107525658 A CN107525658 A CN 107525658A CN 201610666537 A CN201610666537 A CN 201610666537A CN 107525658 A CN107525658 A CN 107525658A
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- China
- Prior art keywords
- axle
- torsion
- support
- hydraulic pressure
- tailstock
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Classifications
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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
-
- 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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of fluid pressure type fatigue machine for testing torsion, for detecting the tired moment of torsion of mechanical parts and components.Support is installed on the ground, hydraulic pressure loading device is housed on the right side of support, hydraulic pressure loading device is connected with support, bearing is housed between the axle and support of hydraulic pressure loading device, encoder is housed in hydraulic pressure loading device left end shaft, sample driving axle left end is connected with hydraulic pressure loading device, sample driving axle right-hand member flange hole and axis connection；Tailstock is arranged on tailstock, and axle is housed in tailstock endoporus, dynamic and hydrostatic bearing is provided between axle and tailstock, axle right-hand member is connected with flange, and flange is connected with torque sensor, and mounting flange is connected with torque sensor, and mounting flange is connected with support.The power of available hydraulic system of the present invention loads positive reaction torque to sample driving axle, simulate sample actual condition or strengthen operating mode, the test sample fatigue moment of torsion life-span, the hydraulic loaded response time is fast, it is swift in motion, test frequency is high, substantially reduces test period and cost, it can also be used to the Static torsion test of sample.
Description
Technical field
The present invention relates to machinery manufacturing technology field, specifically a kind of examination for being used to detect mechanical parts and components fatigue moment of torsion
Test equipment.
Background technology
The test data of mechanical parts and components fatigue moment of torsion, it is the important skill of the parts and components used in machine driven system
Art Performance Assessment index, tired torsional moment test are also a destructive testing, and Static torsion test is static maximum moment of torsion, tired
Torque value is the ability that sample resisting fatigue is destroyed in the case where simulating or strengthening normal use operating mode, the mistake of many mechanical parts and components
Effect is not that maximum quiet moment of torsion destroys, and often tired moment of torsion destroys, tired for the machine driving parts and components important to one
Labor torsional moment test is an essential content of the test.
For sample, with reference to the testing standard of correlation, a corresponding moment of torsion is loaded to sample, then Opposite side loading again
One corresponding moment of torsion, size reference concerned countries or the professional standard of moment of torsion, positive and negative loaded cycle is once the result of experiment
The number before sample is destroyed, number number be exactly fatigue strength value (such as 150,000 times or 300,000 times), fatigue torsion
The data of square experiment are to examine the fatigue life of machine driving parts and components, design, the work of fatigue life of sample directly with sample
Skill is related to manufacture etc., and tired torsional moment test is the foundation that design, technique and manufacture to sample is improved checking.
Existing mechanical tired machine for testing torsion, positive back-loading torque time length, and testing machine is impacted in itself greatly, sternly
Ghost image rings the precision and reliability of testing machine, tests that the time of needs is longer, and experimentation cost is higher.There is an urgent need to quickness and high efficiency,
The testing machine of the higher tired moment of torsion of reliability.
The content of the invention
For overcome the deficiencies in the prior art, goal of the invention of the invention is to provide a kind of fluid pressure type fatigue torsional moment test
Machine, to realize the tired torque value of the convenient and swift mechanical parts and components of measurement.
For achieving the above object, the present invention includes loading section, tailstock portion, hydraulic system and control system；
On the ground, the right side of support is equipped with hydraulic pressure loading device, and hydraulic pressure loading device passes through spiral shell for the support installation of the loading section
Bolt one is connected with support, and bearing is housed between the axle and support of hydraulic pressure loading device, coding is housed on the axle of hydraulic pressure loading device left end
Device, encoder are connected by encoder support with support；Sample driving axle left end is bolted with hydraulic pressure loading device, sample
The flange hole of power transmission shaft right-hand member is connected with axle by key three；
The tailstock of tailstock portion is arranged on tailstock, and axle is housed in tailstock endoporus, dynamic and hydrostatic bearing is provided between axle and tailstock, axle
Right-hand member is connected by key one with flange, and flange is connected with torque sensor by bolt two, and mounting flange leads to torque sensor
Cross bolt three to connect, mounting flange is connected with support by bolt four and key two；
Encoder, hydraulic system, torque sensor are connected with control system respectively；Hydraulic pressure loading device is connected with hydraulic system；
Control system, the servo valve hydraulic loaded of hydraulic system, the torque value of hydraulic system loading are monitored simultaneously by torque sensor
Control system is fed back to, the hydraulic pressure value of control system closed-loop control hydraulic system loading, carrys out dynamic and meets experiment to moment of torsion
The requirement of value, according to the torque value of the positive back-loading to sample driving axle of setting, control system records the number of loading automatically；
When hydraulic pressure loading device is swung, the windup-degree of the loading procedure of encoder record sample driving axle, control system was according to testing
Moment of torsion, torsion angle and the time of journey, draw out the curve of tired moment of torsion and load angle.
The center centering of the support, hydraulic pressure loading device, sample driving axle, axle, tailstock, torque sensor.
The present invention compared with prior art, can use the power of hydraulic system to load positive reaction torque, mould to sample driving axle
Intend the actual condition of sample or the operating mode of reinforcing, in the tired moment of torsion life-span of test sample, the hydraulic loaded response time is fast, and action is fast
Speed, test frequency is high, substantially reduces time and the cost of experiment.The fluid pressure type fatigue machine for testing torsion can also be used for sample
Static torsion test.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Embodiment
As shown in figure 1, the present invention includes loading section, tailstock portion, hydraulic system 9 and control system 23.
The support 5 of loading section is installed on the ground, and the right side of support 5 is equipped with hydraulic pressure loading device 7, and hydraulic pressure loading device 7 is logical
Cross bolt 1 to be connected with support 5, bearing 3, the axle of the left end of hydraulic pressure loading device 7 are housed between the axle and support 5 of hydraulic pressure loading device 7
Upper that encoder 2 is housed, encoder 2 is connected by encoder support 1 with support 5；The left end of sample driving axle 8 and hydraulic pressure loading device 7
It is bolted, the flange hole of the right-hand member of sample driving axle 8 is connected with axle 10 by key 3 11.
The tailstock 12 of tailstock portion is arranged on tailstock 22, and axle 10 is housed in the endoporus of tailstock 12, set between axle 10 and tailstock 12
There is dynamic and hydrostatic bearing 13, the right-hand member of axle 10 is connected by key 1 with flange 14, and flange 14 passes through bolt with torque sensor 17
2 16 connections, mounting flange 21 are connected with torque sensor 17 by bolt 3 20, and mounting flange 21 passes through bolt four with support 5
18 and key 2 19 connect.
Encoder 2, hydraulic system 9, torque sensor 17 are connected with control system 23 respectively；Hydraulic pressure loading device 7 and hydraulic pressure
System 9 connects.
The center centering of support 5, hydraulic pressure loading device 7, sample driving axle 8, axle 10, tailstock 12, torque sensor 17.
The present invention dynamic and hydrostatic bearing 13 come support the swing of positive the back-loading sample driving axle 8 and axle 10 of testing machine revolve
Turn, and dynamic and hydrostatic bearing 13（Filmatic bearing）Frictional resistance it is very small, can almost ignore, make the detection of torque sensor 17
Value is closer to the actual torque value of sample, and the normal work of dynamic and hydrostatic bearing 13 is, it is necessary to match corresponding dynamic and hydrostatic bearing 13
Hydraulic loaded constituent element（Do not represented on Fig. 1）.
During experiment, the control system 23 and hydraulic system 9 of testing machine are opened, it is corresponding to control system 23, hydraulic system 9
Servo valve hydraulic loaded, by controlling the hydraulic pressure of servo valve, the different load of loading can be achieved, control servo valve hydraulic pressure
Flow, the frequency of experiment can be achieved；The torque value that hydraulic system 9 loads is monitored by torque sensor 17 and feeds back to control system
23, the hydraulic pressure value of the closed-loop control hydraulic system 9 of control system 23 loading, carry out dynamic and meet to test the requirement to torque value,
The torque value of the positive back-loading of tired torsional moment test, it can be set according to country or professional standard by specific test program requirement；
To the torque value of the positive back-loading of sample driving axle 8, the number that record loads automatically of control system 23；Hydraulic pressure loading device 7 is swung
When, encoder 2 records the windup-degree of the loading procedure of sample driving axle 8, control system 23 according to the moment of torsion of experiment process, turn round
Corner and time, draw out the curve of tired moment of torsion and load angle.
The fluid pressure type fatigue machine for testing torsion can also be used for the Static torsion test of sample.
Claims (2)
- A kind of 1. fluid pressure type fatigue machine for testing torsion, it is characterised in that：The testing machine includes loading section, tailstock portion, hydraulic pressure System（9）And control system（23）；The support of the loading section（5）Install on the ground, support（5）Right side hydraulic pressure loading device is housed（7）, hydraulic loaded Device（7）Pass through bolt one（4）With support（5）Connection, hydraulic pressure loading device（7）Axle and support（5）Between bearing is housed（3）, liquid Press loader（7）Encoder is housed on the axle of left end（2）, encoder（2）Pass through encoder support（1）With support（5）Connection；Examination Sample power transmission shaft（8）Left end and hydraulic pressure loading device（7）It is bolted, sample driving axle（8）The flange hole and axle of right-hand member（10） Pass through key three（11）Connection；The tailstock of tailstock portion（12）Installed in tailstock（22）On, tailstock（12）Axle is housed in endoporus（10）, axle（10）With tailstock （12）Between be provided with dynamic and hydrostatic bearing（13）, axle（10）Right-hand member pass through key one（15）With flange（14）Connection, flange（14）With torsion Square sensor（17）Pass through bolt two（16）Connection, mounting flange（21）With torque sensor（17）Pass through bolt three（20）Even Connect, mounting flange（21）With support（5）Pass through bolt four（18）With key two（19）Connection；Encoder（2）, hydraulic system（9）, torque sensor（17）Respectively with control system（23）Connection；Hydraulic pressure loading device（7） With hydraulic system（9）Connection；Control system（23）, hydraulic system（9）Servo valve hydraulic loaded, hydraulic system（9）The torque value of loading is passed by moment of torsion Sensor（17）Monitor and feed back to control system（23）, control system（23）Closed-loop control hydraulic system（9）The hydraulic pressure pressure of loading Force value, carry out dynamic and meet to test the requirement to torque value, according to setting to sample driving axle（8）Positive back-loading moment of torsion Value, control system（23）The number of automatic record loading；Hydraulic pressure loading device（7）During swing, encoder（2）Record sample driving axle （8）Loading procedure windup-degree, control system（23）According to moment of torsion, torsion angle and the time of experiment process, draw out tired The curve of labor moment of torsion and load angle.
- 2. fluid pressure type fatigue machine for testing torsion according to claim 1, it is characterised in that：The support（5）, hydraulic loaded Device（7）, sample driving axle（8）, axle（10）, tailstock（12）, torque sensor（17）Center centering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610666537.0A CN107525658A (en) | 2016-08-15 | 2016-08-15 | Fluid pressure type fatigue machine for testing torsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610666537.0A CN107525658A (en) | 2016-08-15 | 2016-08-15 | Fluid pressure type fatigue machine for testing torsion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107525658A true CN107525658A (en) | 2017-12-29 |
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ID=60748427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610666537.0A Pending CN107525658A (en) | 2016-08-15 | 2016-08-15 | Fluid pressure type fatigue machine for testing torsion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107525658A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006635A (en) * | 2019-03-05 | 2019-07-12 | 中国航发北京航空材料研究院 | A kind of Biaxial stress fatigue tester |
| CN112067287A (en) * | 2020-09-17 | 2020-12-11 | 中国第一汽车股份有限公司 | Odd-gear input shaft torque fatigue test method and test system |
| CN113124904A (en) * | 2021-04-25 | 2021-07-16 | 重庆理工大学 | Moment gyroscope restoring moment test bed and measuring method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2611887Y (en) * | 2003-04-04 | 2004-04-14 | 中国第一汽车集团公司 | Hydraulic inertial torque fatigue machine |
| CN202420839U (en) * | 2012-01-17 | 2012-09-05 | 十堰晨鹏机电科技有限公司 | Static torsional and torsional fatigue test bed for automobile transmission shaft |
| CN203732351U (en) * | 2014-01-22 | 2014-07-23 | 沈阳工业大学 | Shaft torsion impact fatigue tester |
| CN205404094U (en) * | 2016-02-05 | 2016-07-27 | 上海北阅机械设备有限公司 | Novel fatigue test platform is twistd reverse to constant speed drive shaft |
-
2016
- 2016-08-15 CN CN201610666537.0A patent/CN107525658A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2611887Y (en) * | 2003-04-04 | 2004-04-14 | 中国第一汽车集团公司 | Hydraulic inertial torque fatigue machine |
| CN202420839U (en) * | 2012-01-17 | 2012-09-05 | 十堰晨鹏机电科技有限公司 | Static torsional and torsional fatigue test bed for automobile transmission shaft |
| CN203732351U (en) * | 2014-01-22 | 2014-07-23 | 沈阳工业大学 | Shaft torsion impact fatigue tester |
| CN205404094U (en) * | 2016-02-05 | 2016-07-27 | 上海北阅机械设备有限公司 | Novel fatigue test platform is twistd reverse to constant speed drive shaft |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006635A (en) * | 2019-03-05 | 2019-07-12 | 中国航发北京航空材料研究院 | A kind of Biaxial stress fatigue tester |
| CN110006635B (en) * | 2019-03-05 | 2021-03-26 | 中国航发北京航空材料研究院 | Double-shaft loading fatigue testing machine |
| CN112067287A (en) * | 2020-09-17 | 2020-12-11 | 中国第一汽车股份有限公司 | Odd-gear input shaft torque fatigue test method and test system |
| CN113124904A (en) * | 2021-04-25 | 2021-07-16 | 重庆理工大学 | Moment gyroscope restoring moment test bed and measuring method |
| CN113124904B (en) * | 2021-04-25 | 2023-09-08 | 重庆理工大学 | Moment gyro recovery moment test bed and measuring method |
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Application publication date: 20171229 |
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