CN107167367A - A kind of hot modeling test machine - Google Patents
A kind of hot modeling test machine Download PDFInfo
- Publication number
- CN107167367A CN107167367A CN201710341595.0A CN201710341595A CN107167367A CN 107167367 A CN107167367 A CN 107167367A CN 201710341595 A CN201710341595 A CN 201710341595A CN 107167367 A CN107167367 A CN 107167367A
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- Prior art keywords
- test machine
- modeling test
- infrared temperature
- hot modeling
- sample
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 230000033001 locomotion Effects 0.000 claims abstract description 9
- 230000003068 static effect Effects 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 5
- 230000002706 hydrostatic effect Effects 0.000 description 7
- 230000033228 biological regulation Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000012669 compression test Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000003827 upregulation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
-
- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention provides a kind of hot modeling test machine, treating temperature measuring point action and causing the problem of temperature-measuring results error is larger for sample can not be followed in frame because infrared temperature instrument is fixed in stress deformation to solve sample in the prior art.Hot modeling test machine includes moved end and static side, hot modeling test machine includes thermometric support, the thermometric support is provided with infrared temperature instrument, driving infrared temperature instrument translation or to track the drive mechanism that sample treats temperature measuring point on thermometric support when hot modeling test machine is additionally included in moved end movement.The hot modeling test machine that the present invention is provided, moved end movement is compressed or during tension test, drive mechanism drives infrared temperature instrument translation on thermometric support, track sample treats temperature measuring point, with infrared temperature instrument in the prior art be fixed on can not be followed in frame sample treat temperature measuring point action compared with, the temperature measuring point and sample for reducing infrared temperature instrument treat the distance between temperature measuring point, reduce the error of temperature-measuring results.
Description
Technical field
The present invention relates to a kind of hot modeling test machine.
Background technology
Hot modeling test machine generally includes power-control section, moved end and static side, and when doing hot compress test, moved end includes
Dynamic connecting rod and dynamic head, static side include quiet connecting rod and hydrostatic head, sample are placed between dynamic head and hydrostatic head, passes through dynamic pressure
The mobile compression sample of head.When doing hot compress test, it is necessary to understand sample to the centre position progress real time temperature measurement of sample
The temperature change in centre position in hot compression, it is generally the case that the thermocouple in the centre position welding of sample, so in examination
During testing, temperature measuring point is in the centre position of sample all the time, and the temperature of sample center can be detected in real time.But
During practical operation, there is a situation where that thermocouple can not be welded in heart position in the sample, now, it is generally the case that thermal modeling test
The thermo detector of machine is integrally fixed in hot modeling test machine frame, and temperature measuring point is fixed and can not during hot compress test is done
Tracking is moved together by the sample center of compression, it is impossible to is carried out real time temperature measurement to the centre position of sample, is caused measurement
Data error is larger.Likewise, also accurate thermometric accurately can not be carried out to a certain ad-hoc location on sample.
The content of the invention
It is an object of the invention to provide a kind of hot modeling test machine, with solve in the prior art sample in stress deformation
Due to thermo detector be fixed on can not be followed in frame sample treating temperature measuring point action and cause the problem of temperature-measuring results error is larger.
To achieve the above object, the technical scheme of hot modeling test machine of the present invention is：A kind of hot modeling test machine, including it is dynamic
End and static side, hot modeling test machine include thermometric support, and the thermometric support is provided with infrared temperature instrument, and hot modeling test machine is also
When being included in moved end movement driving infrared temperature instrument on thermometric support translation to track the drive mechanism that sample treats temperature measuring point.
Guide frame of the thermometric support provided with guiding infrared temperature instrument translation.
The infrared temperature instrument translation is oriented parallel to moved end moving direction, and the infrared measurement of temperature is calculated as and sample interposition
The corresponding midpoint thermo detector of temperature measuring point put, the translatory distance of midpoint thermo detector and the ratio of moved end displacement is two/
One.
The drive mechanism includes the electric pushrod being arranged on thermometric support, and electric pushrod has and the infrared measurement of temperature
The push rod of drive connection is counted, hot modeling test machine also includes being used in infrared temperature instrument translation direction up-regulation section electric push rod position
Adjustment structure.
The drive mechanism includes slider-crank mechanism, and slider-crank mechanism includes driving crank, kinematic link and sliding block,
The sliding block is described infrared temperature instrument.
The infrared temperature instrument is oriented to by linear bearing and is arranged on the thermometric support, and the linear bearing is constituted
Described guide frame.
The beneficial effects of the invention are as follows：The hot modeling test machine that the present invention is provided, moved end movement is compressed or stretched examination
When testing, drive mechanism driving infrared temperature instrument translation on thermometric support, tracking sample treats temperature measuring point, and red in the prior art
Outer thermo detector be fixed on can not follow sample in frame treat that temperature measuring point motion is compared, reduce the temperature measuring point of infrared temperature instrument with
Sample treats the distance between temperature measuring point, reduces the error of temperature-measuring results.
Brief description of the drawings
Fig. 1 is the use schematic diagram of hot modeling test machine embodiment 1 of the present invention；
Fig. 2 is the use schematic diagram of hot modeling test machine embodiment 2 of the present invention.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
Embodiment 1：The specific embodiment 1 of the hot modeling test machine of the present invention, as shown in figure 1, wherein, 1 is dynamic Control
Part, 2 be dynamic connecting rod, and 3 be dynamic head, and 5 be hydrostatic head, and 6 be frame, and 7 be quiet connecting rod, and 8 be infrared temperature instrument, and 9 be linear axis
Hold, 10 be stepper motor push rod, and 11 be thermometric support, and 12 be left regulation wheel.
The present embodiment is illustrated so that hot modeling test machine makees Axial compression tests as an example.Hot modeling test machine includes power
Control section 1 and frame 6, power-control section 1 are connected with dynamic connecting rod 2, and the one end for moving connecting rod 2 is provided with dynamic head 3, in frame 6
On be fixed with quiet connecting rod 7, one end of quiet connecting rod 7 is provided with hydrostatic head 5.In use, sample 4 is arranged on into dynamic head 3 and hydrostatic head 5
Between, the Uniaxial Compression to sample 4 is realized by the one-way movement of dynamic head 3.The interposition to sample 4 is needed in the present embodiment
The temperature for treating temperature measuring point put is measured.
It has been wholely set in frame 6 on thermometric support 11, thermometric support 11 and linear bearing 9 is installed, on linear bearing 9
Infrared temperature instrument 8 is installed, the left and right directions that infrared temperature instrument 8 can be on linear bearing 9 shown in Fig. 1 is moved, infrared survey
Temperature meter 8 includes infrared temperature measuring head.Meanwhile, motor push rod is also equipped with thermometric support 11, motor push rod includes stepper motor
（It is unmarked in figure）With stepper motor push rod 10, motor push rod be oriented to be installed on thermometric support 11, stepper motor push rod 10 with
Infrared temperature instrument 8 is connected.Left regulation wheel 12 is connected with one end of motor push rod, left regulation wheel 12 being capable of a regulation motor push rod left side
The position of right direction, makes the centre position of infrared temperature measuring head registration coupon 4 in infrared temperature instrument 8.In the present embodiment, motor push rod
Constitute drive mechanism.
In use, the translational speed of adjustment stepper motor push rod 10, the translational speed for making stepper motor push rod 10 is dynamic pressure
The half of first 3 translational speed, in such manner, it is possible to ensure to sample carry out Uniaxial Compression when, the displacement of infrared temperature instrument 8 with
The ratio of the displacement of dynamic head 3 is 1/2nd, and infrared temperature instrument 8 is capable of the centre position of registration coupon 4 all the time.
The use process of hot modeling test machine of the present invention is：Sample 4 is arranged between dynamic head 3 and hydrostatic head 5 first,
By adjust left regulation wheel 12 adjust infrared temperature instrument 8 position, make the centre position of the registration coupon 4 of infrared temperature instrument 8, it is laggard
Row compression test, starts the stepper motor of motor push rod, due to the mobile speed of stepper motor push rod 10 while starting dynamic head 3
The half of the translational speed for dynamic head 3 is spent, infrared temperature instrument 8 is capable of the centre position of registration coupon 4 all the time.
Embodiment 2：The specific embodiment 2 of hot modeling test machine of the present invention, as shown in Fig. 2 the difference with embodiment 1
It is：Drive mechanism in embodiment 2 is slider-crank mechanism 12, and slider-crank mechanism 12 includes driving crank 13 and transmission connects
Bar, the other end connection infrared temperature instrument 8 of kinematic link, infrared temperature instrument 8 constitutes the sliding block in slider-crank mechanism.Pass through
The swing of driving crank 13 drives thermo detector to occur the movement on left and right directions, in use, the pendulum by adjusting driving crank 13
Dynamic speed adjusts the ratio of thermo detector translational speed and dynamic head translational speed.
In the above embodiments, dynamic connecting rod and dynamic head constitute moved end, and quiet connecting rod and hydrostatic head constitute static side.In heat
When simulation test machine does tension test, moved end includes dynamic connecting rod and dynamic pull head, and static side includes quiet connecting rod and quiet pull head.In other realities
Apply in example, drive mechanism can promote the mechanism of thermo detector, such as driving cylinder mechanism for other.
Need to test the centre position of sample in above-described embodiment, the translational speed of thermo detector is dynamic head speed
Half, within the identical time, the displacement of thermo detector is equal to the half of dynamic head displacement.In other embodiment
In, when needing a certain ad-hoc location to sample to carry out thermometric, it is necessary to reset the actuating speed of drive mechanism.Above-mentioned reality
Apply the drive mechanism in example and be to accurately measure a certain specific temperature for treating temperature measuring point of sample, in other embodiments, can be with
The ratio of the displacement between thermo detector and moved end is not set, as long as thermo detector can track moved end and be moved, it becomes possible to
Reduce the error of measurement result caused by being fixed on due to thermo detector in frame.
In above-described embodiment, the motion of thermo detector is oriented parallel to the mobile side of moved end for translation and the translation of thermo detector
To, in other embodiments, the translation direction of thermo detector can be obliquely installed, reduce thermo detector temperature measuring point and sample it is to be measured
The distance between warm spot, reduces the error of result.
In the present embodiment, thermometric support is wholely set with frame, in other embodiments, can be using other connection sides
Formula is fixed connected, or thermometric support is fixed in other structures.
In the present embodiment, linear bearing constitutes the guide frame of guiding thermo detector translation.In other embodiments, can be with
It is oriented to by opening up translation of the guide groove to thermo detector on thermometric support, now, guide groove constitutes guide frame.This
In embodiment, left regulation wheel constitutes adjustment structure.
Claims (6)
1. a kind of hot modeling test machine, including moved end and static side, it is characterised in that：Hot modeling test machine includes thermometric support, institute
Thermometric support is stated provided with infrared temperature instrument, driving infrared temperature instrument is in thermometric when hot modeling test machine is additionally included in moved end movement
Translation is to track the drive mechanism that sample treats temperature measuring point on support.
2. hot modeling test machine according to claim 1, it is characterised in that：Thermometric support is provided with guiding infrared temperature instrument
The guide frame of translation.
3. hot modeling test machine according to claim 2, it is characterised in that：The infrared temperature instrument translation is oriented parallel to
Moved end moving direction, the infrared measurement of temperature is calculated as midpoint corresponding with the temperature measuring point in sample centre position thermo detector, midpoint thermometric
The translatory distance of meter is 1/2nd with the ratio of moved end displacement.
4. hot modeling test machine according to claim 2, it is characterised in that：The drive mechanism includes being arranged at thermometric branch
Electric pushrod on frame, electric pushrod has the push rod being connected with the infrared temperature instrument, and hot modeling test machine also includes
Adjustment structure for raising section electric push rod position in infrared temperature instrument translation direction.
5. hot modeling test machine according to claim 2, it is characterised in that：The drive mechanism includes crank block machine
Structure, slider-crank mechanism includes driving crank, kinematic link and sliding block, and the sliding block is described infrared temperature instrument.
6. hot modeling test machine according to claim 2, it is characterised in that：The infrared temperature instrument is led by linear bearing
To on the thermometric support, the linear bearing constitutes described guide frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710341595.0A CN107167367A (en) | 2017-05-15 | 2017-05-15 | A kind of hot modeling test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710341595.0A CN107167367A (en) | 2017-05-15 | 2017-05-15 | A kind of hot modeling test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107167367A true CN107167367A (en) | 2017-09-15 |
Family
ID=59816019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710341595.0A Pending CN107167367A (en) | 2017-05-15 | 2017-05-15 | A kind of hot modeling test machine |
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| CN (1) | CN107167367A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09101249A (en) * | 1995-10-04 | 1997-04-15 | Shimadzu Corp | Material test machine |
| CN101666728A (en) * | 2009-09-28 | 2010-03-10 | 郑州仕佳通信科技有限公司 | Transmission device used for optical cable repeated bending testing machine |
| CN202159001U (en) * | 2011-07-05 | 2012-03-07 | 哈尔滨工业大学 | Wheel load simulation test device |
| CN103149087A (en) * | 2013-02-07 | 2013-06-12 | 湘潭大学 | Follow-up window and digital image-based non-contact real-time strain measurement method |
| CN103267699A (en) * | 2013-06-05 | 2013-08-28 | 浙江大学 | Reciprocating-type friction-wear testing machine and method thereof |
| CN104483219A (en) * | 2014-11-28 | 2015-04-01 | 中国海洋大学 | Material fatigue process integrated test system |
-
2017
- 2017-05-15 CN CN201710341595.0A patent/CN107167367A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09101249A (en) * | 1995-10-04 | 1997-04-15 | Shimadzu Corp | Material test machine |
| CN101666728A (en) * | 2009-09-28 | 2010-03-10 | 郑州仕佳通信科技有限公司 | Transmission device used for optical cable repeated bending testing machine |
| CN202159001U (en) * | 2011-07-05 | 2012-03-07 | 哈尔滨工业大学 | Wheel load simulation test device |
| CN103149087A (en) * | 2013-02-07 | 2013-06-12 | 湘潭大学 | Follow-up window and digital image-based non-contact real-time strain measurement method |
| CN103267699A (en) * | 2013-06-05 | 2013-08-28 | 浙江大学 | Reciprocating-type friction-wear testing machine and method thereof |
| CN104483219A (en) * | 2014-11-28 | 2015-04-01 | 中国海洋大学 | Material fatigue process integrated test system |
Non-Patent Citations (3)
| Title |
|---|
| HANS-JÜRGEN KRÖNING ET AL.: "High temperature Gleeble microtensile testing of metallic micro specimens", 《MATERIALS TESTING》 * |
| 李红斌等: "关于热模拟试验机压缩试验中温度弹跳的分析", 《理化检验-物理分册》 * |
| 袁剑雄等: "《机械结构设计禁忌》", 29 February 2008, 机械工业出版社 * |
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Application publication date: 20170915 |
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