CN205941234U - Tired machine for testing torsion of fluid pressure type - Google Patents
Tired machine for testing torsion of fluid pressure type Download PDFInfo
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- CN205941234U CN205941234U CN201620878698.1U CN201620878698U CN205941234U CN 205941234 U CN205941234 U CN 205941234U CN 201620878698 U CN201620878698 U CN 201620878698U CN 205941234 U CN205941234 U CN 205941234U
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Abstract
The utility model provides a tired machine for testing torsion of fluid pressure type for detect the tired moment of torsion of machinery zero, part. The frame is installed subaerial, and the hydraulic pressure loader is equipped with on the frame right side, and the hydraulic pressure loader is connected with the frame, the hydraulic pressure loader the axle and the frame between the bearing is equipped with, the epaxial encoder that is equipped with of hydraulic pressure loader left end, sample transmission shaft left end is connected with the hydraulic pressure loader, sample transmission shaft right -hand member flange hole and hub connection, the tailstock is installed on the tailstock, is equipped with the axle in the tailstock hole, is equipped with hybrid bearing between axle and tailstock, axle right -hand member and flange joint, and the flange is connected with torque sensor, and mounting flange and torque sensor are connected, and mounting flange is connected with the frame. The utility model discloses sample operating condition or intensive operating mode are simulated to the positive reaction torque of sample transmission shaft load to available hydraulic system's power, and in the tired moment of torsion life -span of experimental sample, response time is fast for the hydraulic pressure load, and the action is rapid, and the test frequency height has shortened test time and cost greatly, and the static torque who also can be used to the sample is experimental.
Description
Technical field
This utility model is related to machinery manufacturing technology field, and specifically one kind is used for detecting mechanical parts and components fatigue moment of torsion
Testing equipment.
Background technology
The test data of mechanical parts and components fatigue moment of torsion, is the important skill of the parts and components used in machine driven system
Art Performance Assessment index, tired torsional moment test is also a destructive testing, and Static torsion test is static maximum moment of torsion, fatigue
Torque value is to simulate or strengthening under normal applying working condition, the ability that sample resisting fatigue is destroyed, much mistakes of mechanical parts and components
Effect is not that maximum quiet moment of torsion destroys, and often tired moment of torsion destroys, for the machine driving parts and components important to, tired
Labor torsional moment test is a requisite content of the test.
For sample, with reference to related test standard, a corresponding moment of torsion is loaded to sample, then Opposite side loading again
One corresponding moment of torsion, the size of moment of torsion with reference to concerned countries or industry standard, positive and negative loaded cycle is once, the result of test
Be sample be destroyed before number of times, number of times number be exactly fatigue strength value (such as 150,000 times or 300,000 times), fatigue turn round
The data of square test is the fatigue life of inspection machine driving parts and components, and fatigue life of sample is directly and the design of sample, work
The correlation such as skill and manufacture, tired torsional moment test is the foundation that the design to sample, technique and manufacture improve checking.
Existing mechanical type fatigue machine for testing torsion, positive back-loading torque time is long and big to testing machine impact itself, sternly
Ghost image rings precision and the reliability of testing machine, and the time that test needs is longer, and experimentation cost is higher.In the urgent need to quickness and high efficiency,
The testing machine of the higher tired moment of torsion of reliability.
Content of the invention
For overcoming the deficiencies in the prior art, goal of the invention of the present utility model is to provide a kind of fluid pressure type fatigue moment of torsion examination
Test machine, to realize the tired torque value of the mechanical parts and components of convenient and swift measurement.
For realizing above-mentioned utility model purpose, this utility model includes loading section, tailstock portion, hydraulic system and control
System；
The support of described loading section is installed on the ground, and equipped with hydraulic pressure loading device, hydraulic pressure loading device leads on the right side of support
Cross bolt one to be connected with support, equipped with bearing between the axle of hydraulic pressure loading device and support, on the axle of hydraulic pressure loading device left end equipped with
Encoder, encoder is connected with support by encoder support；Sample driving axle left end is bolted with hydraulic pressure loading device,
The flange hole of sample driving axle right-hand member is connected by key three with axle；
The tailstock of tailstock portion is arranged on tailstock, equipped with axle in tailstock endoporus, is provided with dynamic and hydrostatic bearing between axle and tailstock,
The right-hand member of axle is connected with flange by key one, and flange is connected by bolt two with torque sensor, mounting flange and torque sensing
Device is connected by bolt three, and mounting flange passes through bolt four with support and key two is connected；
Encoder, hydraulic system, torque sensor are connected with control system respectively；Hydraulic pressure loading device is with hydraulic system even
Connect.
Described support, hydraulic pressure loading device, sample driving axle, axle, tailstock, the center centering of torque sensor.
This utility model compared with prior art, can use the power of hydraulic system that sample driving axle is loaded just anti-twisted
Square, the simulation actual condition of sample or the operating mode of strengthening, in the tired moment of torsion life-span of test sample, hydraulic loaded response time is fast,
It is swift in motion, test frequency is high, substantially reduces time and the cost of test.This fluid pressure type fatigue machine for testing torsion can also be used for
The Static torsion test of sample.
Brief description
Fig. 1 is structure diagram of the present utility model.
Specific embodiment
As shown in figure 1, this utility model includes loading section, tailstock portion, hydraulic system 9 and control system 23.
The support 5 of loading section is installed on the ground, and equipped with hydraulic pressure loading device 7, hydraulic pressure loading device 7 leads on the right side of support 5
Cross bolt 1 to be connected with support 5, equipped with bearing 3 between the axle of hydraulic pressure loading device 7 and support 5, the axle of hydraulic pressure loading device 7 left end
On be connected with support 5 by encoder support 1 equipped with encoder 2, encoder 2；Sample driving axle 8 left end and hydraulic pressure loading device 7
It is bolted, the flange hole of sample driving axle 8 right-hand member is connected by key 3 11 with axle 10.
The tailstock 12 of tailstock portion is arranged on tailstock 22, equipped with axle 10 in tailstock 12 endoporus, sets between axle 10 and tailstock 12
There is dynamic and hydrostatic bearing 13, the right-hand member of axle 10 is connected with flange 14 by key 1, flange 14 passes through bolt with torque sensor 17
2 16 connections, mounting flange 21 is connected by bolt 3 20 with torque sensor 17, 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.
Support 5, hydraulic pressure loading device 7, sample driving axle 8, axle 10, tailstock 12, the center centering of torque sensor 17.
Dynamic and hydrostatic bearing 13 of the present utility model is supporting the positive back-loading sample driving axle 8 of testing machine and the swing of axle 10
Rotation, and dynamic and hydrostatic bearing 13（Filmatic bearing）Frictional resistance very little, almost can ignore, make the inspection of torque sensor 17
Measured value, closer to the actual torque value of sample, the normal work of dynamic and hydrostatic bearing 13, needs to mate corresponding dynamic and hydrostatic bearing 13
Hydraulic loaded constituent element（Do not represent on Fig. 1）.
During test, open control system 23 and the hydraulic system 9 of testing machine, corresponding to control system 23, hydraulic system 9
Servo valve hydraulic loaded, by controlling the hydraulic pressure of servo valve, can achieve and load different loads, control servo valve hydraulic pressure
Flow, can achieve the frequency of test；The torque value that hydraulic system 9 loads is monitored by torque sensor 17 and is fed back to control system
23, the hydraulic pressure value that control system 23 closed loop control hydraulic system 9 loads, dynamically to meet the requirement to torque value for the test,
The torque value of the positive back-loading of tired torsional moment test, can be set by specific test program requirement according to country or industry standard；
Torque value to the positive back-loading of sample driving axle 8, control system 23 records the number of times of loading automatically；Hydraulic pressure loading device 7 swings
When, encoder 2 records the windup-degree of the loading procedure of sample driving axle 8, and control system 23 is according to the moment of torsion of process of the test, torsion
Corner and time, draw out the curve of tired moment of torsion and load angle.
This fluid pressure type fatigue machine for testing torsion can also be used for the Static torsion test of sample.
Claims (2)
1. a kind of fluid pressure type fatigue machine for testing torsion it is characterised in that：This testing machine includes loading section, tailstock portion, hydraulic pressure
System（9）And control system（23）；
The support of described loading section（5）Install on the ground, support（5）Right side equipped with hydraulic pressure loading device（7）, hydraulic loaded
Device（7）By bolt one（4）With support（5）Connect, hydraulic pressure loading device（7）Axle and support（5）Between equipped with bearing（3）, liquid
Pressure loader（7）Equipped with encoder on the axle of left end（2）, encoder（2）By encoder support（1）With support（5）Connect；Examination
Sample power transmission shaft（8）Left end and hydraulic pressure loading device（7）It is bolted, sample driving axle（8）The flange hole of right-hand member and axle（10）
By key three（11）Connect；
The tailstock of tailstock portion（12）It is arranged on tailstock（22）On, tailstock（12）Equipped with axle 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）Connect, flange（14）With torsion
Square sensor（17）By bolt two（16）Connect, mounting flange（21）With torque sensor（17）By bolt three（20）Even
Connect, mounting flange（21）With support（5）By bolt four（18）With key two（19）Connect；
Encoder（2）, hydraulic system（9）, torque sensor（17）Respectively with control system（23）Connect；Hydraulic pressure loading device（7）
With hydraulic system（9）Connect.
2. fluid pressure type according to claim 1 fatigue machine for testing torsion it is characterised in that：Described 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 |
|---|---|---|---|
| CN201620878698.1U CN205941234U (en) | 2016-08-15 | 2016-08-15 | Tired machine for testing torsion of fluid pressure type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620878698.1U CN205941234U (en) | 2016-08-15 | 2016-08-15 | Tired machine for testing torsion of fluid pressure type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205941234U true CN205941234U (en) | 2017-02-08 |
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ID=57920165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620878698.1U Active CN205941234U (en) | 2016-08-15 | 2016-08-15 | Tired machine for testing torsion of fluid pressure type |
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| Country | Link |
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| CN (1) | CN205941234U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627407A (en) * | 2018-06-11 | 2018-10-09 | 中国航发哈尔滨东安发动机有限公司 | First half sleeve assembly high-cycle fatigue test device |
| CN108827622A (en) * | 2018-08-03 | 2018-11-16 | 天津鼎成高新技术产业有限公司 | A kind of torsional fatigue test platform |
-
2016
- 2016-08-15 CN CN201620878698.1U patent/CN205941234U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627407A (en) * | 2018-06-11 | 2018-10-09 | 中国航发哈尔滨东安发动机有限公司 | First half sleeve assembly high-cycle fatigue test device |
| CN108827622A (en) * | 2018-08-03 | 2018-11-16 | 天津鼎成高新技术产业有限公司 | A kind of torsional fatigue test platform |
| CN108827622B (en) * | 2018-08-03 | 2024-01-12 | 天津鼎成高新技术产业有限公司 | Torsional fatigue test stand |
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