CN107121328B - A kind of hot modeling test machine and its temperature measuring equipment - Google Patents
A kind of hot modeling test machine and its temperature measuring equipment Download PDFInfo
- Publication number
- CN107121328B CN107121328B CN201710339348.7A CN201710339348A CN107121328B CN 107121328 B CN107121328 B CN 107121328B CN 201710339348 A CN201710339348 A CN 201710339348A CN 107121328 B CN107121328 B CN 107121328B
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- infrared temperature
- driving mechanism
- temperature instrument
- spring
- temperature measuring
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 230000003068 static effect Effects 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 7
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 3
- 230000002706 hydrostatic effect Effects 0.000 description 6
- 238000012669 compression test Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
-
- 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 present invention provides a kind of hot modeling test machine and its temperature measuring equipment, to solve the problems, such as that sample in the prior art cannot follow acting to temperature measuring point and causing temperature-measuring results error larger for sample since thermo detector is fixed on the rack in stress deformation.Hot modeling test machine includes moved end and static side, hot modeling test machine further includes temperature measuring equipment, temperature measuring equipment includes thermometric bracket, the thermometric bracket is equipped with infrared temperature instrument, the moved end drives infrared temperature instrument to be translatable on thermometric bracket and waits for temperature measuring point to track sample by tracking driving mechanism, the input terminal and the moved end for tracking driving mechanism are sequentially connected, and the output end for tracking driving mechanism is connected with infrared temperature instrument.Thermo detector is connected by tracking driving mechanism with moved end, and moved end drives thermo detector to be translatable on thermometric bracket and waits for temperature measuring point to track sample, and the temperature measuring point and sample for reducing thermo detector wait for 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 and its temperature measuring equipments.
Background technique
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, and sample is placed between dynamic head and hydrostatic head, dynamic pressure is passed through
The mobile compression sample of head.Simultaneously when doing hot compress test, need to carry out real time temperature measurement to the middle position of sample to understand
The temperature change in sample middle position in hot compression, it is generally the case that weld upper thermocouple in the middle position of sample, in this way
During test, temperature measuring point is in the middle position of sample always, can real-time detection go out the temperature of sample center.
But when practical operation, exist can not in the sample the heart position welding thermocouple the case where, at this time, it is generally the case that thermal simulation
The thermo detector of testing machine is fixed in hot modeling test machine rack, during doing hot compress test temperature measuring point fix and
It cannot track and be moved together by the sample center of compressive deformation, real time temperature measurement can not be carried out to the middle position of sample, cause to survey
The data error of amount is larger.Likewise, also accurately accurate thermometric can not be carried out to specific position a certain on sample.
Summary of the invention
The purpose of the present invention is to provide a kind of temperature measuring equipment, with solve in the prior art sample in stress deformation due to
Thermo detector is fixed on the rack the problem that cannot be followed acting to temperature measuring point for sample and cause temperature-measuring results error larger；Purpose
It is to provide a kind of hot modeling test machine using the temperature measuring equipment.
To achieve the above object, the technical solution of hot modeling test machine of the present invention is: a kind of hot modeling test machine, including dynamic
End and static side, hot modeling test machine further include temperature measuring equipment, and temperature measuring equipment includes thermometric bracket, and the thermometric bracket is equipped with red
Outer thermo detector, the moved end are translatable on thermometric bracket to be measured to track sample by tracking driving mechanism driving infrared temperature instrument
Warm spot, the input terminal and the moved end for tracking driving mechanism are sequentially connected, and track the output end and infrared temperature instrument of driving mechanism
It is connected.
Thermometric bracket is equipped with the guide frame for guiding the infrared temperature instrument translation, the translation side of the infrared temperature instrument
To being parallel to moved end moving direction, the infrared measurement of temperature is calculated as with sample middle position to the corresponding midpoint thermometric of temperature measuring point
Meter, the translatory distance of midpoint thermo detector and the ratio of moved end moving distance are half.
Tracking driving mechanism includes pulley and spring on infrared temperature instrument, and spring is tension spring, in infrared temperature instrument
The pulley and tension spring are divided into the infrared temperature instrument two sides on moving direction, and tracking driving mechanism further includes around the cunning
The drawstring of wheel, and the input terminal that one end of the drawstring is the tracking driving mechanism is connected with the moved end, and the other end is solid
Fixed end.
Tracking driving mechanism includes pulley and spring on infrared temperature instrument, and spring is pressure spring, in infrared temperature instrument
The pulley and pressure spring are set to the ipsilateral of the infrared temperature instrument on moving direction, and tracking driving mechanism further includes around the cunning
The drawstring of wheel, and the input terminal that one end of the drawstring is the tracking driving mechanism is connected with the moved end, and the other end is solid
Fixed end.
One end of spring is connected with the infrared temperature instrument, and the other end is fixing end, the fixing end of drawstring and consolidating for spring
Fixed end passes through adjusting, and screw position is adjustable is mounted on thermometric bracket.
The technical solution of temperature measuring equipment of the present invention is: a kind of temperature measuring equipment, including thermometric bracket, sets on the thermometric bracket
There is infrared temperature instrument, temperature measuring equipment further includes waiting for thermometric for driving infrared temperature instrument to be translatable on thermometric bracket to track sample
The tracking driving mechanism of point, the tracking driving mechanism have input terminal for being sequentially connected with hot modeling test machine moved end and
The output end being connected with the infrared temperature instrument.
Thermometric bracket is equipped with the guide frame for guiding the infrared temperature instrument translation, the translation side of the infrared temperature instrument
To being parallel to moved end moving direction, the infrared measurement of temperature is calculated as with sample middle position to the corresponding midpoint thermometric of temperature measuring point
Meter, the translatory distance of midpoint thermo detector and the ratio of moved end moving distance are half.
Tracking driving mechanism includes pulley and spring on infrared temperature instrument, and spring is tension spring, mobile in thermo detector
The pulley and tension spring are divided into the thermo detector two sides on direction, and tracking driving mechanism further includes the drawing around the pulley
One end of rope, the drawstring is connected for the input terminal for tracking driving mechanism with the moved end, and the other end is fixing end.
Tracking driving mechanism includes pulley and spring on thermo detector, and spring is pressure spring, in thermo detector moving direction
The upper pulley and pressure spring are set to the ipsilateral of the infrared temperature instrument, and tracking driving mechanism further includes the drawing around the pulley
One end of rope, the drawstring is connected for the input terminal for tracking driving mechanism with the moved end, and the other end is fixing end.
One end of spring is connected with the infrared temperature instrument, and the other end is fixing end, the fixing end of drawstring and consolidating for spring
Fixed end passes through adjusting, and screw position is adjustable is mounted on thermometric bracket.
The beneficial effects of the present invention are: hot modeling test machine provided by the invention, infrared temperature instrument passes through tracking driving machine
Structure is connected with moved end, and when hot modeling test machine carries out stretching or compression test, moved end drives thermo detector to be translatable on thermometric bracket
Wait for temperature measuring point to track sample, compared with thermo detector is fixed on the rack in the prior art, reduce the temperature measuring point of thermo detector with
Sample waits for the distance between temperature measuring point, reduces the error of temperature-measuring results, keeps measurement structure more accurate.
Detailed description of the invention
Fig. 1 uses schematic diagram for hot modeling test machine embodiment 1 of the present invention；
Fig. 2 uses schematic diagram for hot modeling test machine embodiment 2 of the present invention；
Fig. 3 uses schematic diagram for hot modeling test machine embodiment 3 of the present invention.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
Embodiment 1: the specific embodiment 1 of hot modeling test machine of the invention, as shown in Figure 1, the present embodiment is with thermal simulation
Testing machine is illustrated for doing Axial compression tests, carries out tracking and temperature testing to the middle position of sample.Hot modeling test machine packet
Including rack 1, power-control section 2, dynamic connecting rod 3, dynamic head 4, rack 1 are equipped with quiet connecting rod 5 and hydrostatic head 6.Thermal modeling test
Machine further includes temperature measuring equipment, and temperature measuring equipment includes thermometric bracket 13, and in the present embodiment, thermometric bracket 13 is wholely set with rack 1.
Linear bearing 12 is installed on thermometric bracket 13, guiding is equipped with thermo detector 16, the lower end of thermo detector 16 on linear bearing 12
With infrared temperature measuring head, it is capable of the temperature of non-cpntact measurement sample.It is connected between the right side and thermometric bracket 13 of thermo detector 16
There is tension spring 15, is fixed with pulley 11 in the left side of thermo detector 16.It is fixed with dynamic bracket 8 on dynamic connecting rod 3, moves fixed on bracket 8
There is drawstring 10, one end of drawstring 10 is fixed on dynamic bracket 8, and the other end is around the survey for being fixed on dynamic 8 side of bracket after pulley 11
On warm bracket 13.In the present embodiment, drawstring 10 adjusts that screw 9 is adjustable is mounted on thermometric bracket 13 by drawstring, tension spring 15
One end adjusts that screw 14 is adjustable is mounted on thermometric bracket 13 by tension spring.
Use process of the invention is: sample 7 being mounted between dynamic head 4 and hydrostatic head 6 first, by adjusting two
Screw is adjusted, the middle position of the infrared temperature measuring head registration coupon 7 of thermo detector 16 is made.After the completion of adjusting, tension spring 15, which is in, to be stretched
State, active force to the right can be generated to thermo detector 16.Carry out compression test when, power-control section 2 drive dynamic head 4 to
Right compression sample 7, dynamic connecting rod 3 move right, meanwhile, tension spring 15, which is shunk, drives thermo detector 16 to move right, due to thermo detector 16
Left side be connected with thermometric bracket 13 and dynamic bracket 8 by pulley 11, the displacement of thermo detector 16 to the right is 4 displacement of dynamic head
Half, enable the middle position of the infrared temperature measuring head of thermo detector 16 registration coupon 7 always, to the middle position of sample 7 into
Line trace measurement.
In the present embodiment, spring is tension spring, thermo detector, drawstring, pulley, tension spring, thermometric bracket, linear bearing and adjusting spiral shell
Nail constitutes temperature measuring equipment.Pulley, drawstring and tension spring constitute tracking driving mechanism, in the present embodiment, move connecting rod, dynamic head and
Dynamic bracket constitutes moved end, and quiet connecting rod, hydrostatic head constitute static side.The part of drawstring being connected with dynamic bracket is input terminal, sliding
Taking turns the part being connected with thermo detector is output end.
In other embodiments, pressure spring can be set between the left side of thermo detector and the thermometric holder part in left side to push away
Dynamic thermo detector moves right.
Embodiment 2: the specific embodiment 2 of hot modeling test machine of the invention, as shown in Fig. 2, it is different from embodiment 1 it
Be in: pulley 11 is located at the side of the close hydrostatic head of thermo detector, move bracket 8 be the structure repeatedly bent, move bracket 8 on consolidate
Surely it is fixed on thermometric bracket after thering is drawstring 10, drawstring 10 to bypass pulley 11.Pressure is installed between thermometric bracket and thermo detector
Spring 20, pressure spring 20 are the stability in order to maintain thermo detector.
In the present embodiment, spring is pressure spring, and thermo detector, pressure spring, pulley, thermometric bracket and drawstring constitute temperature measuring equipment,
Pulley, drawstring and pressure spring constitute tracking driving mechanism.
In other embodiments, it is steady that tension spring can be set between the left side of thermo detector and the thermometric holder part in left side
Determine thermo detector.
Embodiment 3: the specific embodiment 3 of hot modeling test machine of the invention, as shown in figure 3, with embodiment 1 and embodiment
2 the difference is that, the tracking driving mechanism in the present embodiment include the rack gear 17 being set on dynamic connecting rod 3 and with rack gear 17
The first gear 18 of engagement rotation, the second gear 19 with 18 external toothing of first gear, between second gear 19 and thermo detector 16
It is connected by slider-crank mechanism 20, wherein the crank structure of crank pulley mechanism 20 is mounted in second gear 19, sliding block shape
At on thermo detector 16, dynamic moving left and right for connecting rod 3 is converted to the second tooth by rack gear 17, first gear 18 and second gear 19
The rotation of wheel 19, and then drive thermo detector 16 to move right by slider-crank mechanism 20.
In other embodiments, tracking driving mechanism may include the rack gear being arranged between moved end and thermo detector, first
Gear, second gear and connecting lever, rack gear are mounted on moved end, and first gear with rack gear and second gear engaged transmission, turns simultaneously
Arm one end is arranged in second gear, and the other end is arranged on thermo detector, by the first gear and second that different-diameter is arranged
Gear is different to make the angular speed of first gear and second gear in engagement process, rotates first gear and second gear
Angle difference realizes the movement speed of moved end and thermo detector difference, enables the middle position of thermo detector registration coupon.
In the above embodiments, thermometric bracket is wholely set with rack, and in other embodiments, thermometric bracket can disobey
It holds in the palm and is arranged in rack.
The above embodiments are illustrated by taking compression test as an example, which is equally applicable to tension test.
In above-described embodiment, the movement of thermo detector is that the translational direction of translation and thermo detector is parallel to the mobile side of moved end
To, in other embodiments, the translational 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 above embodiments, one end for being connected in drawstring with thermometric bracket is fixing end, the other end by dynamic bracket with
Dynamic connecting rod is connected, for the input terminal for tracking driving mechanism.The one end of spring being connected with thermometric bracket is fixing end.
In above-described embodiment, linear bearing is guide frame, and in other embodiments, guide frame can be thermometric branch
The guide groove opened up on frame.
The specific embodiment of temperature measuring equipment of the present invention, temperature measuring equipment is identical as the structure of temperature measuring equipment in above-described embodiment,
Details are not described herein for its content.
Claims (4)
1. a kind of hot modeling test machine, including the moved end being oppositely arranged in left-right direction and static side, it is characterised in that: thermal simulation examination
The machine of testing further includes temperature measuring equipment, and temperature measuring equipment includes thermometric bracket, and the thermometric bracket is equipped with infrared temperature instrument, the moved end
It drives infrared temperature instrument to be translatable on thermometric bracket to track sample and wait for temperature measuring point by tracking driving mechanism, tracks driving mechanism
Input terminal and the moved end be sequentially connected, the output end for tracking driving mechanism is connected with infrared temperature instrument, sets on thermometric bracket
There is the guide frame for guiding the infrared temperature instrument to be translatable in left-right direction, linear bearing is installed on thermometric bracket, it is described
Infrared temperature instrument is oriented to is mounted on linear bearing in left-right direction, and the lower end of infrared temperature instrument has infrared temperature measuring head, described
Linear bearing constitutes the guide frame, and linear bearing is located at the top of infrared temperature instrument, and infrared temperature instrument is located at moved end and quiet
The top at end, the translational direction of the infrared temperature instrument are parallel to moved end moving direction, the infrared measurement of temperature be calculated as in sample
Between position to the corresponding midpoint thermo detector of temperature measuring point, the translatory distance of midpoint thermo detector and the ratio of moved end moving distance are two
/ mono-, tracking driving mechanism includes pulley and spring on infrared temperature instrument；Spring is tension spring, is moved in infrared temperature instrument
The pulley and tension spring are divided into the infrared temperature instrument two sides on dynamic direction, and tracking driving mechanism further includes around the pulley
Drawstring, one end of the drawstring is the input terminal of the tracking driving mechanism and is connected with the moved end that the other end is fixation
End；Alternatively, spring is pressure spring, the pulley and pressure spring are set to the same of the infrared temperature instrument on infrared temperature instrument moving direction
Side, tracking driving mechanism further include the drawstring around the pulley, and one end of the drawstring is the defeated of the tracking driving mechanism
Enter end and be connected with the moved end, the other end is fixing end.
2. hot modeling test machine according to claim 1, it is characterised in that: one end of spring and the infrared temperature instrument phase
Even, the other end is fixing end, and the fixing end of drawstring and the fixing end of spring, which pass through adjusting screw position are adjustable, is mounted on thermometric
On bracket.
3. a kind of temperature measuring equipment, it is characterised in that: including thermometric bracket, the thermometric bracket is equipped with infrared temperature instrument, thermometric
Device further include for driving infrared temperature instrument to be translatable on thermometric bracket to track the tracking driving mechanism that sample waits for temperature measuring point,
The tracking driving mechanism have input terminal for being sequentially connected with hot modeling test machine moved end and with the infrared temperature instrument
Connected output end, thermometric bracket is equipped with the guide frame for guiding the infrared temperature instrument to be translatable in left-right direction, in thermometric
Linear bearing is installed, the infrared temperature instrument is oriented to is mounted on linear bearing in left-right direction, infrared temperature instrument on bracket
Lower end there is infrared temperature measuring head, the linear bearing constitutes the guide frame, and linear bearing is located at the upper of infrared temperature instrument
Side, infrared temperature instrument are located at the top of moved end and static side, and the translational direction of the infrared temperature instrument is parallel to moved end moving direction,
The infrared measurement of temperature is calculated as with sample middle position to the corresponding midpoint thermo detector of temperature measuring point, the translatory distance of midpoint thermo detector
Ratio with moved end moving distance is half, and tracking driving mechanism includes the pulley and spring being set on infrared temperature instrument,
Spring is tension spring, and the pulley and tension spring are divided into the thermo detector two sides on thermo detector moving direction, tracks driving mechanism
Further include the drawstring around the pulley, one end of the drawstring be the input terminal of the tracking driving mechanism and with the moved end
It is connected, the other end is fixing end；Alternatively, spring is pressure spring, the pulley and pressure spring are set to described on thermo detector moving direction
Infrared temperature instrument it is ipsilateral, tracking driving mechanism further includes the drawstring around the pulley, one end of the drawstring be it is described with
The input terminal of track driving mechanism and be connected with the moved end, the other end is fixing end.
4. temperature measuring equipment according to claim 3, it is characterised in that: one end of spring is connected with the infrared temperature instrument,
The other end is fixing end, and the fixing end of drawstring and the fixing end of spring, which pass through adjusting screw position are adjustable, is mounted on thermometric bracket
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710339348.7A CN107121328B (en) | 2017-05-15 | 2017-05-15 | A kind of hot modeling test machine and its temperature measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710339348.7A CN107121328B (en) | 2017-05-15 | 2017-05-15 | A kind of hot modeling test machine and its temperature measuring equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107121328A CN107121328A (en) | 2017-09-01 |
| CN107121328B true CN107121328B (en) | 2019-10-18 |
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| CN201710339348.7A Expired - Fee Related CN107121328B (en) | 2017-05-15 | 2017-05-15 | A kind of hot modeling test machine and its temperature measuring equipment |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09101249A (en) * | 1995-10-04 | 1997-04-15 | Shimadzu Corp | Material test machine |
| CN103822873A (en) * | 2014-02-11 | 2014-05-28 | 河南科技大学 | Thermal compression tester and compression head assembly thereof |
| CN104007007A (en) * | 2014-06-13 | 2014-08-27 | 太原理工大学 | Fatigue analysis method based on magnesium alloy test piece surface temperature characteristics |
| JP2016142679A (en) * | 2015-02-04 | 2016-08-08 | 株式会社ジェイテクト | Infrared stress measurement method and infrared stress measurement device |
-
2017
- 2017-05-15 CN CN201710339348.7A patent/CN107121328B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09101249A (en) * | 1995-10-04 | 1997-04-15 | Shimadzu Corp | Material test machine |
| CN103822873A (en) * | 2014-02-11 | 2014-05-28 | 河南科技大学 | Thermal compression tester and compression head assembly thereof |
| CN104007007A (en) * | 2014-06-13 | 2014-08-27 | 太原理工大学 | Fatigue analysis method based on magnesium alloy test piece surface temperature characteristics |
| JP2016142679A (en) * | 2015-02-04 | 2016-08-08 | 株式会社ジェイテクト | Infrared stress measurement method and infrared stress measurement device |
Non-Patent Citations (2)
| Title |
|---|
| 《关于热模拟试验机压缩试验中温度弹跳的分析》;李红斌 等;《理化检验-物理分册》;20120108;第48卷(第1期);第15页第1栏第1段-第17页第1栏第5段 * |
| Hans-Jürgen Kröning et al..《High temperature Gleeble microtensile testing of metallic micro specimens》.《Materials Testing》.2016,第58卷(第10期),第826-832页. * |
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