CN208476712U - Electronic tensile test machine length, width extensometer self-checking unit - Google Patents
Electronic tensile test machine length, width extensometer self-checking unit Download PDFInfo
- Publication number
- CN208476712U CN208476712U CN201820426569.8U CN201820426569U CN208476712U CN 208476712 U CN208476712 U CN 208476712U CN 201820426569 U CN201820426569 U CN 201820426569U CN 208476712 U CN208476712 U CN 208476712U
- Authority
- CN
- China
- Prior art keywords
- extensometer
- self
- checking unit
- steel plate
- type steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009864 tensile test Methods 0.000 title claims abstract description 20
- 238000012360 testing method Methods 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 238000004458 analytical method Methods 0.000 abstract description 5
- 230000009021 linear effect Effects 0.000 abstract description 3
- 241001269238 Data Species 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 238000005070 sampling Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 2
- 238000004164 analytical calibration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model is a kind of electronic tensile test machine length, width extensometer self-checking unit, is symmetrically assembled self-checking unit on testing machine plate specification fixture when mainly by a pair of of L-type steel board group at, use, and be allowed on testing machine axis of movement；The detection mouth of required self-test transverse direction extensometer is connected to the outside of a pair of of free side of L-type steel plate；The detection bayonet of required self-test longitudinal direction extensometer is placed between the baffle on a pair of of free side of L-type steel plate；When work, width and length extensometer pass through the design self-checking unit, it is mounted on electronic tensile test machine sampling test region, the function being displaced using electronic tensile test equipment, realize the Quick Acquisition to achievement datas such as measure linears of extending and analysis, extensometer actual use precision is effectively improved, it is practical, it is easy to operate.
Description
Technical field
The utility model relates to a kind of detection devices, are specifically that a kind of electronic tensile test machine length, width are extended
Self-checking unit is counted, detection, measuring equipment research field are belonged to.
Background technique
According to " JJG 762-1992 extensometer vertification regulation " and " GB/T 12160-2002 uniaxial test extensometer
Calibration " method, extensometer needs periodically demarcated and calibrated, the calibration and calibration of existing length and width extensometer, lead
If being demarcated to realize to extensometer using dedicated extensometer marking apparatus.Calibration week under normal circumstances is provided in standard
Phase is about 12 months.
In actual tests work, in some cases, it is also desirable to which reality is temporarily carried out to length and width working condition of extending
When examine and determine, although such as test data deviation beyond the imagination and normal estimation or within the calibrating phase, interval time is longer, makes
It is higher with frequency, the case where cannot effectively being held whether to extensometer precision and stability, uncertain, performance state meets test
Under, it is necessary to the performance state of extensometer tentatively and simply determine, and uses special validation program, efficiency is just shown
Must be relatively low, operability is relatively poor.
Select relatively rapid simple method whether normal to check extensometer working condition in this case, then root
According to data cases analysis is checked, determine whether extensometer meets trystate requirement, if need to demarcate using professional extensometer
Instrument calibration, the efficiency of specific experiment work can be improved in this way, can also control the working condition of extensometer.
Utility model content
The technical issues of the utility model is solved is that providing one kind directly has using electronic tensile test machine itself
High precision displacement transmission system, calibrating check is carried out to extensometer, deformation essence is carried out to lateral extensometer and longitudinal extensometer
Spend electronic tensile test machine length, the width extensometer self-checking unit of detection.
The utility model patent is achieved through the following technical solutions: a kind of electronic tensile test machine length, width draw
Meter self-checking unit is stretched, when mainly by a pair of of L-type steel board group at, assembly, self-checking unit is symmetrically assembled in testing machine plate specification
On fixture, and it is allowed on testing machine axis of movement；The detection mouth of required self-test transverse direction extensometer is connected to a pair of of L-type steel plate
The outside of free side；The detection bayonet of required self-test longitudinal direction extensometer is placed between the baffle on a pair of of free side of L-type steel plate.
The technical solution that the utility model further limits are as follows:
Further, the L-type steel plate include have itself can by test device steel plate standard fixture clamping install and can
For the fixed arm of length extensometer installation detection, and for the detection arm of lateral extensometer installation detection；
The detection arm of the L-type steel plate, which is equipped with, enables the tested dimensional directions of lateral extensometer to be accurately parallel to testing equipment
It is displaced the step of moving direction, position is equipped with for determining mutual alignment between self-checking unit between a pair of two detections arm
V-notch and boss.
Further, the detection bayonet of longitudinal extensometer is fixedly mounted on the mountable of a pair of of L-type steel plate fixed arm
Region.
Further, according to extensometer useful range, the total kilometres of a pair of of L-type steel plate are set.
Further, total kilometres are 5,10 or 20 equidistant strokes.
The utility model has the following beneficial effects: the utility model is for extensometer precision controlling in the work of daily seizure test
A kind of alternative scheme of aspect can carry out quick accuracy detection to extensometer by this method, avoid due to using interval
Time is long, and frequency of use is high, the phenomenon that cannot effectively holding to extensometer working condition, improves the reliability of test data.Draw
Meter is stretched by the design self-checking unit, is mounted on electronic tensile test machine sampling test region, is utilized electronic tensile test equipment
The function of displacement realizes the Quick Acquisition to achievement datas such as measure linears of extending and analysis, effectively improves extensometer reality
Service precision, it is practical, it is easy to operate.The convenient judgement in the daily seizure test course of work to extensometer working condition,
Lower the influence to Test Detection Work.
Detailed description of the invention
Fig. 1 is tensile test equipment plate specification fixture schematic diagram；
Fig. 2 is the schematic diagram of step 2；
Fig. 3 is the schematic diagram of step 3；
Fig. 4 is the schematic diagram of step 4；
Fig. 5 is the schematic diagram of step 5.
Fig. 6 is that relevant range and structure define schematic diagram on a pair of of L-type steel plate.
In figure: 1. lateral extensometers, 2. longitudinal extensometers, 3. self-checking units, 4. testing machine steel plate fixtures, the positioning of 5.V type
Notch and boss, 6. detection arms, 7. steel plate fixture clamping zones, 8. fixed arms.
Specific embodiment
In order to be apparent to the technical means, creative features, achievement of purpose, and effectiveness of the utility model, now in conjunction with
Attached drawing is further described how the utility model patent is implemented:
Electronic tensile test machine length, width extensometer self-checking unit, including lateral extensometer 1, longitudinal extensometer 2, from
Checking device 3 and testing machine plate specification fixture 4, the self-checking unit is mainly by a pair of of L-type steel board group at a pair of of L-type steel plate mirror
As being symmetrically assemblied on testing machine plate specification fixture 4, a pair of of L-type steel plate is on testing machine axis of movement；L-type steel plate includes
Longer fixed arm and shorter detection arm detect the baffle that evagination is equipped with the plate of arm, detect the one of the nearly fixed arm of arm rest
Side side is equipped with the bayonet of indent；
The fixed arm of a pair of of L-type steel plate is respectively fixedly connected with testing machine plate specification fixture 4, at this time a pair of of L-type steel plate
Arm is detected with respect to parallelly distribute on, the detection mouth of lateral extensometer 1 is connected in the bayonet of a pair of of detection arm, longitudinal extensometer 2
Detection bayonet is placed between the baffle of a pair of of L-type steel plate detection arm；The detection bayonet of longitudinal extensometer 2 at least abuts a L-type steel
The baffle of plate detection arm.
Before detection, by other measurers (such as dial gauge or amesdial) of having examined to the displacement accuracy of tensile compression test equipment
Accordingly detected, it is linear to obtain testing equipment displacement data accordingly to be grasped to testing equipment Bit andits control ability
The case where variation and deviation.Testing equipment and extensometer annual test can also be stored when testing equipment, extensometer carry out calibration annual test
Data when measurement compare as later progress extensometer accuracy detection data reference analysis.
The present invention utilizes electronic tensile test machine high precision displacement mechanism, carries out lateral extensometer and longitudinal extensometer deformation
Accuracy detection, steps are as follows for specific experiment:
Step 1, by equipment regulation requirement, start testing equipment, open controlling test program.
Step 2, self-checking unit 3 is installed on electronic tensile test machine steel plate collet 4, and is parallelly mounted to test
Equipment axis direction；
Step 3, by independently installed 3 corresponding position of self-checking unit of width extensometer 1,6 are entered step；
Step 4, by independently installed 3 corresponding position of self-checking unit of length extensometer 2,6 are entered step；
Step 5, width extensometer 1 and length extensometer 2 are installed into 3 corresponding position of self-checking unit simultaneously, enters step 6；
Step 6, testing equipment displacement and primary data in extensometer deformation data data frame in program is controlled to reset.
Step 7, width extensometer 1 and 2 useful range of length extensometer are divided into 5,10 or 20 equidistantly
Stroke；
Step 8, adjustment equipment Bit andits control direction controlling is to pull to, and rate of displacement low speed constant control is set by test
Standby displacement Electronic control, is respectively completed each stroke, and path increment does not have to accurate control, need to only control roughly；
Step 9, the displacement and extensometer deflection of each stroke of corresponding record；
Step 10, it is determined by the point data deviation and line number of extensometer deflection and equipment displacement according to variance analysis
Extensometer pulls to whether deformation meets test service precision requirement；
Step 11, similarly, extensometer can be carried out and press to deformation accuracy detection.
It should be understood that this method is a kind of reference scaling method of extensometer precision, final extensometer precision
Whether working condition accordance, need to verify by the extensometer marking apparatus of profession.
Claims (5)
1. a kind of electronic tensile test machine length, width extensometer self-checking unit, it is characterised in that: mainly by a pair of of L-type steel plate
Composition when assembly, self-checking unit is symmetrically assembled on testing machine plate specification fixture, and is allowed in testing machine axis of movement
On；The detection mouth of required self-test transverse direction extensometer is connected to the outside of a pair of of free side of L-type steel plate；Required self-test is longitudinally extended
The detection bayonet of meter is placed between the baffle on a pair of of free side of L-type steel plate.
2. electronic tensile test machine length according to claim 1, width extensometer self-checking unit, it is characterised in that: institute
Stating L-type steel plate includes having itself to be installed by test device steel plate standard fixture clamping and install detection for length extensometer
Fixed arm, and for lateral extensometer installation detection detection arm；
The detection arm of the L-type steel plate, which is equipped with, enables the tested dimensional directions of lateral extensometer to be accurately parallel to testing equipment displacement
The step of moving direction, position is equipped with the V-type for determining mutual alignment between self-checking unit between a pair of two detections arm
Notch and boss.
3. electronic tensile test machine length according to claim 2, width extensometer self-checking unit, it is characterised in that: institute
The detection bayonet for stating longitudinal extensometer is fixedly mounted on the mountable region of a pair of of L-type steel plate fixed arm.
4. electronic tensile test machine length according to claim 2, width extensometer self-checking unit, it is characterised in that: root
According to extensometer useful range, the total kilometres of a pair of of L-type steel plate are set.
5. electronic tensile test machine length according to claim 4, width extensometer self-checking unit, it is characterised in that: will
Total kilometres are divided into 5 equidistant strokes, 10 equidistant strokes or 20 equidistant strokes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820426569.8U CN208476712U (en) | 2018-03-28 | 2018-03-28 | Electronic tensile test machine length, width extensometer self-checking unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820426569.8U CN208476712U (en) | 2018-03-28 | 2018-03-28 | Electronic tensile test machine length, width extensometer self-checking unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208476712U true CN208476712U (en) | 2019-02-05 |
Family
ID=65207139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820426569.8U Expired - Fee Related CN208476712U (en) | 2018-03-28 | 2018-03-28 | Electronic tensile test machine length, width extensometer self-checking unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208476712U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115575274A (en) * | 2022-09-28 | 2023-01-06 | 河南省计量科学研究院 | Calibration device and calibration method for strain gauge extensometer |
-
2018
- 2018-03-28 CN CN201820426569.8U patent/CN208476712U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115575274A (en) * | 2022-09-28 | 2023-01-06 | 河南省计量科学研究院 | Calibration device and calibration method for strain gauge extensometer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106705823A (en) | Field calibration method for linear displacement sensor | |
| CN203672259U (en) | Shifting fork inspection fixture | |
| CN102735133B (en) | Installation hole detection device | |
| CN207936891U (en) | A kind of instrument for measuring pitch diameter of internal thread | |
| CN102494595A (en) | Coaxiality detection apparatus | |
| CN204043626U (en) | A kind of resistance to deformation measuring device of antiglare shield | |
| CN208476712U (en) | Electronic tensile test machine length, width extensometer self-checking unit | |
| CN113758545A (en) | Four-valve piston type dynamic flow metering standard device and metering method | |
| CN203443523U (en) | Hole distance gauge with reading function | |
| CN102121814B (en) | Tool for measuring perpendicularity of workpiece | |
| CN204903046U (en) | Starter shift fork spring dynamometer | |
| JP2007101472A (en) | Water meter testing equipment | |
| CN104964729A (en) | Calibrating device for fluid metering instrument | |
| CN2932303Y (en) | Inner diameter measuring device | |
| CN202599384U (en) | Detector for jerk value of gear rack meshing | |
| CN207881682U (en) | A kind of simple type measures the device of round tube inside diameter deformation | |
| CN217330928U (en) | Positioning assembly and indicator verification instrument | |
| CN217303818U (en) | Automatic detection equipment for building materials | |
| CN211528030U (en) | Glass sample stress application force measuring device for stress photoelastic coefficient test | |
| CN203053808U (en) | Labeled block fixing frame for calibrating test sample measuring mechanism of tensile testing machine | |
| CN208238756U (en) | Dial gauge calibration device | |
| CN207866178U (en) | A kind of sliding block perpendicularity detection tool | |
| CN108375336B (en) | Method and device for calibrating intelligent detector for wheel tread parameters | |
| CN219830716U (en) | High-precision motion viscosity meter | |
| CN207515686U (en) | The measurement cubing of heavy caliber inner circle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |