CN105910896A - Fixing frame specially used for thermal elongation test - Google Patents
Fixing frame specially used for thermal elongation test Download PDFInfo
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- CN105910896A CN105910896A CN201610304772.3A CN201610304772A CN105910896A CN 105910896 A CN105910896 A CN 105910896A CN 201610304772 A CN201610304772 A CN 201610304772A CN 105910896 A CN105910896 A CN 105910896A
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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
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Abstract
The invention relates to a special fixing frame, in particular to a fixing frame specially used for a thermal elongation test. The fixing frame specially used for the thermal elongation test solves the problem that in the current thermal elongation test, dumbbell samples in an oven easily swing due to external vibration, so that the elongations of the multiple dumbbell samples can not be accurately measured at the same time. According to the fixing frame, a ruler plate is vertically arranged and is fixedly connected with a base by a bracket used for the ruler plate; a plurality of upper clamping elements are evenly arranged on the top of the ruler plate along the length direction of the ruler plate, and a plurality of first lower clamping elements are evenly arranged on a surface of a front plate of the ruler plate along the length direction of the ruler plate; a first class of dumbbell sample is arranged between each upper clamping element and the corresponding first lower clamping element; all the first class of dumbbell samples are connected with the surface of the front plate of the ruler plate in a detachable way respectively by a plurality of first buckles; a plurality of groups of vertically arranged first marker scales are formed on the surface of the front plate of the ruler plate; one side of each first class of dumbbell sample is correspondingly provided with one group of first marker scales. The fixing frame is used for fixing and measuring the samples in the elongation test.
Description
Technical field
Present invention relates particularly to the special fixed mount of a kind of hot elongation test.
Background technology
Hot elongation test is the important tests evaluating high voltage power cable insulation, and the device frame that heat extends is by ready-made mute
Bell sample is fixed in the above and is then sent through a kind of device that baking oven heats and observes dumb bell sample extended state, by this measurement
Mode judges whether cable insulation material meets relevant criterion.The current following three aspect drawbacks of instrument existence:
One, dumb bell sample percentage elongation can not well be observed, lower maximum elongation rate≤175% of national Specification load, and
The requirement of State Grid Corporation of China is more tightened up than national standard, lower maximum elongation rate≤125% of load.Current each mechanism all uses
The methods such as artificial line, compares with ruler range estimation, estimation, it is impossible to the most corresponding rule, less can accurately learn
Big percentage elongation.
Two, during embedding device frame, there are vibrations and the phenomenon waved increases test error, in some instances it may even be possible to break examination
Sample, does not has good fixing device.
Three, the coupling part material of counterweight is more thick and heavy, adds the weight of counterweight, increases test error.
Summary of the invention
It is an object of the invention to provide the special fixed mount of a kind of hot elongation test, with solve at present in hot elongation test due to
Dumb bell sample is easily waved by extraneous vibration in an oven, causes cannot carrying out the elongation of multiple dumb bell sample accurately simultaneously
The problem of measurement.
The present invention solves that above-mentioned technical problem adopts the technical scheme that:
The special fixed mount of a kind of hot elongation test, it includes chi plate, chi plate support, base, multiple upper clamping element, many
Individual first time clamping element and multiple first buckle, described chi plate is vertically arranged and it is fixedly connected on base by chi plate support
On, multiple upper clamping elements are evenly arranged in the top of chi plate along the length direction of chi plate, and multiple first time clamping element are along chi plate
Length direction is evenly arranged on the front face of chi plate, and upper clamping element and first time clamping element one_to_one corresponding are arranged, each upper folder
Tightly being provided with a first kind dumb bell sample between part and first time clamping element of its correspondence, each first kind dumb bell sample is by many
Individual first buckle is detachably connected on the front face of chi plate, and the front face of described chi plate is machined with many groups of first be vertically arranged
Reference mark, the side of each first kind dumb bell sample is to there being one group of first reference mark.
Often organize the first reference mark and include that a plurality of first mark graduation mark, a plurality of first mark graduation mark are horizontally disposed with from top to bottom
On the front face of chi plate, the scale value in a plurality of first mark graduation mark is incremented by the most successively, and a plurality of first mark is carved
The distance between zero graduation line and chi plate top surface in degree line is 5-10mm, the distance between every two first mark graduation marks
For 10mm, the Article 5 graduation mark in a plurality of first mark graduation mark represents that the elongation of first kind dumb bell sample is
50%, the Article 6 graduation mark in a plurality of first mark graduation mark represents that the elongation of first kind dumb bell sample is 100%,
Between Article 6 graduation mark and Article 7 graduation mark, the scale value at midpoint represents that the elongation of first kind dumb bell sample is
125%, the Article 7 graduation mark in a plurality of first mark graduation mark represents that the elongation of first kind dumb bell sample is
150%, between Article 7 graduation mark and Article 8 graduation mark, the scale value at midpoint represents the elongation percentage of first kind dumb bell sample
Ratio is 175%, and the Article 8 graduation mark in a plurality of first mark graduation mark represents that the elongation of first kind dumb bell sample is
200%.
Upper clamping element includes resilient clamp frame and two handpieces, and described upper resilient clamp frame is arranged on the top of chi plate, institute
State two handpieces and be separately positioned on the both sides of resilient clamp frame.
First time clamping element includes that lower resilient clamp frame, counterweight bar, limited block and multiple counterweight, lower resilient clamp frame are arranged on
On the front face of chi plate, the bare terminal end of lower resilient clamp frame is towards the upper resilient clamp frame of its correspondence, the end of lower resilient clamp frame
Portion is fixing with the upper end of counterweight bar to be connected, and the lower end of counterweight bar is fixing with limited block to be connected, and multiple counterweights are arranged on counterweight bar.
It also includes multiple second time clamping element and multiple second buckle, and multiple second time clamping element are equal along the length direction of chi plate
On the even back plate face being arranged in chi plate, upper clamping element and second time clamping element one_to_one corresponding are arranged, and each upper clamping element is right with it
Being provided with an Equations of The Second Kind dumb bell sample between the second time clamping element answered, each Equations of The Second Kind dumb bell sample blocks by multiple second
Button is detachably connected on the back plate face of chi plate, and the back plate face of described chi plate is machined with many groups of the second marks being vertically arranged and carves
Degree, the side of each Equations of The Second Kind dumb bell sample is to there being one group of second reference mark.
The structure of first time clamping element and second time clamping element is identical.
Often organize the second reference mark and include that a plurality of second mark graduation mark, a plurality of second mark graduation mark are horizontally disposed with from top to bottom
On the back plate face of chi plate, the scale value in a plurality of second mark graduation mark is incremented by the most successively, and a plurality of second mark is carved
The distance between zero graduation line and chi plate top surface in degree line is 5-10mm, the distance between every two second mark graduation marks
For 10mm, the midpoint between Article 2 graduation mark and Article 3 graduation mark in a plurality of second mark graduation mark represents Equations of The Second Kind
The elongation of dumb bell sample is 50%, and the Article 3 graduation mark in a plurality of second mark graduation mark represents Equations of The Second Kind dumbbell
The elongation of sample is 100%, is evenly arranged with three single lines between Article 3 graduation mark and Article 4 graduation mark, the
Article one, single line represents that the elongation of Equations of The Second Kind dumb bell sample is 125%, and Article 3 single line represents Equations of The Second Kind dumb bell sample
Elongation is 175%, and the Article 4 graduation mark in a plurality of second mark graduation mark represents the elongation of Equations of The Second Kind dumb bell sample
Percentage is 200%.
The method have the advantages that
1, the scientific structure design of the present invention is reasonable, and the front face of chi plate and back plate face can be fixed respectively and measure the first kind
Dumb bell sample and the elongation of Equations of The Second Kind dumb bell sample, this double-sided design is suitable for two kinds of specification dumbbell plates of national standard.
2, the present invention is by chi plate, chi plate support, base, multiple upper clamping element, multiple first time clamping element and multiple
Being equipped with between the first buckle can effectively realize the fixing of multiple first kind dumb bell sample and the work measured, it is ensured that the
The position of one class dumb bell sample is fixed and is not had beat phenomenon to occur.
3, the present invention is by chi plate, chi plate support, base, multiple upper clamping element, multiple first time clamping element, multiple
First buckle, being equipped with between multiple second time clamping element and multiple second buckle, it is possible to realize multiple first kind simultaneously
Dumb bell sample and the fixing and work of measurement of multiple Equations of The Second Kind dumb bell sample.
4, upper clamping element uses the mode of two-sided unilateral clamping, it is possible to make multiple first kind dumb bell sample and multiple Equations of The Second Kind mute
What bell sample was the compactest is attached on chi plate, does not rock and waves.
5, length scale is effectively tied mutually by the unique design often organizing the first reference mark and the second reference mark with elongation
Close, make observer observe first kind dumb bell sample and the amount of tension of Equations of The Second Kind dumb bell sample and elongation at a glance,
The accurate error of measurement result is little.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the present invention；
Fig. 2 is the backsight structural representation of the present invention；
Fig. 3 is the main TV structure schematic diagram of upper clamping element 4.
Detailed description of the invention
Detailed description of the invention one: combine Fig. 1, Fig. 2 and Fig. 3 illustrate present embodiment, present embodiment include chi plate 1,
Chi plate support 2, base 3, multiple upper clamping element 4, multiple first time clamping element 5 and multiple first buckle 6, described chi
Plate 1 is vertically arranged and it is fixedly connected on base 3 by chi plate support 2, and multiple upper clamping elements 4 are along the length of chi plate 1
Degree direction is evenly arranged in the top of chi plate 1, and multiple first time clamping element 5 are evenly arranged in chi along the length direction of chi plate 1
On the front face of plate 1, upper clamping element 4 and first time clamping element 5 one_to_one corresponding are arranged, each upper clamping element 4 and its correspondence
First time clamping element 5 between be provided with a first kind dumb bell sample 7, each first kind dumb bell sample 7 is by multiple first
Buckle 6 is detachably connected on the front face of chi plate 1, and the front face of described chi plate 1 is machined with many groups of first be vertically arranged
Reference mark 8, the side of each first kind dumb bell sample 7 is to there being one group of first reference mark 8.
In present embodiment multiple first buckles 6 be designed to ensure that multiple first kind dumb bell sample 7 is arranged on chi plate 1
Time upper, position is stable, does not waves.The fastener that first buckle 6 is sold for existing market.
In present embodiment, chi plate 1 is steel ruler plate, its a size of 300mm × 110mm, and chi plate support 2 props up for steel ruler plate
Frame, it isDiameter pipe, total length 100mm, there is 30mm the top of chi plate support 2 and steel ruler plate junction
Deep groove uses the fastening of M4 bolt.Base 3 is the pedestal using 350mm × 120mm steel plate to make, and it is used with chi plate
Support 2 is connected with, and the corner of base 3 is respectively adopted the fixing also leveling of adjusting nut 13, and adjusting nut 13 adapts to many
Plant place, it is possible to ensure the stationarity of base 3.
Present embodiment is provided with on the front face of chi plate 1 protective plate of a high temperature resistant stainless steel material.
The upper every side of clamping element 4 fastens with two M4 bolts near the one side of steel ruler plate, and the clamping force of upper clamping element 4 to reach
10N, it is ensured that clamping first kind dumb bell sample 7.
Detailed description of the invention two: combine Fig. 1 and present embodiment is described, often organizes the first reference mark 8 and includes in present embodiment
A plurality of first mark graduation mark, a plurality of first mark graduation mark is horizontally set on the front face of chi plate 1 from top to bottom, a plurality of
Scale value in first mark graduation mark is incremented by the most successively, the zero graduation line in a plurality of first mark graduation mark and chi plate
Distance between 1 end face is 5-10mm, and the distance between every two first mark graduation marks is 10mm, a plurality of first mark
Article 5 graduation mark in note graduation mark represents that the elongation of first kind dumb bell sample 7 is 50%, a plurality of first mark
Article 6 graduation mark in graduation mark represents that the elongation of first kind dumb bell sample 7 is 100%, Article 6 graduation mark and
Between Article 7 graduation mark, the scale value at midpoint represents that the elongation of first kind dumb bell sample 7 is 125%, a plurality of first
Article 7 graduation mark in mark graduation mark represents that the elongation of first kind dumb bell sample 7 is 150%, Article 7 scale
Between line and Article 8 graduation mark, the scale value at midpoint represents that the elongation of first kind dumb bell sample 7 is 175%, a plurality of
Article 8 graduation mark in first mark graduation mark represents that the elongation of first kind dumb bell sample 7 is 200%.
In the range of in present embodiment, the top of first kind dumb bell sample 7 is clipped in the 5-10mm at carpenters square plate 1 top, and guarantee
Article 2 graduation mark in a plurality of first mark graduation mark is to the region between Article 4 graduation mark and first kind dumb bell sample 7
Middle part stretch zones is corresponding.The present invention also can mark a plurality of aid mark line on first kind dumb bell sample 7, is used for observing
The first corresponding for first kind dumb bell sample 7 reference mark 8 can preferably be compared by person.Guarantee the data of observation more
Add accurately.
In present embodiment, the elongation of first kind dumb bell sample 7 is based on what length scale drew, its be one relatively
Value.Draw according to repeatedly sampling test, when the elongation of first kind dumb bell sample 7 is 50%, the quarter of its correspondence
Degree is exactly the Article 5 graduation mark in a plurality of first mark graduation mark.Length scale and percentage scale are effectively combined by the present invention
Together, it is possible to save the observation time of first kind dumb bell sample 7, the accuracy of measured value can also be improved simultaneously.Other
The reason of the corresponding graduation mark of elongation value is ibid.Other NM structures and annexation and detailed description of the invention one
Identical.
Detailed description of the invention three: combine Fig. 1 and Fig. 3 and present embodiment is described, in present embodiment, upper clamping element 4 includes
Resilient clamp frame 4-1 and two handpiece 4-2, described upper resilient clamp frame 4-1 are arranged on the top of chi plate 1, and described two
Individual handpiece 4-2 is separately positioned on the both sides of resilient clamp frame 4-1.Other NM structures and annexation are with concrete
Embodiment one or two is identical.
Detailed description of the invention four: combine Fig. 1 and present embodiment is described, in present embodiment, first time clamping element 5 includes lower bullet
Property gripper frame 5-1, counterweight bar 5-2, limited block 5-3 and multiple counterweight 5-4, lower resilient clamp frame 5-1 are arranged on chi plate 1
Front face on, the bare terminal end of lower resilient clamp frame 5-1 is towards the upper resilient clamp frame 4-1 of its correspondence, lower resilient clamp frame
The bottom of 5-1 is fixing with the upper end of counterweight bar 5-2 to be connected, and the lower end of counterweight bar 5-2 is fixing with limited block 5-3 to be connected, many
Individual counterweight 5-4 is arranged on counterweight bar 5-2.Other NM structures and annexation are identical with detailed description of the invention four.
Detailed description of the invention five: combine Fig. 2 and Fig. 3 and present embodiment is described, present embodiment it also include multiple second time
Clamping element 9 and multiple second buckle 10, multiple second time clamping element 9 are evenly arranged in chi plate 1 along the length direction of chi plate 1
Back plate face on, upper clamping element 4 and second time clamping element 9 one_to_one corresponding are arranged, the of each upper clamping element 4 and its correspondence
Being provided with an Equations of The Second Kind dumb bell sample 11 between two times clamping elements 9, each Equations of The Second Kind dumb bell sample 11 is by multiple second
Buckle 10 is detachably connected on the back plate face of chi plate 1, and the back plate face of described chi plate 1 is machined with many groups of be vertically arranged
Two reference marks 12, the side of each Equations of The Second Kind dumb bell sample 11 is to there being one group of second reference mark 12.
In present embodiment multiple second buckles 10 be designed to ensure that multiple first kind dumb bell sample 7 is arranged on chi plate 1
Time upper, position is stable, does not waves.The fastener that second buckle 10 is sold for existing market.
Present embodiment is also equipped with on the back plate face of chi plate 1 protective plate of a high temperature resistant stainless steel material.
The upper every side of clamping element 4 fastens with two M4 bolts near the one side of steel ruler plate, and the clamping force of upper clamping element 4 to reach
10N, it is ensured that clamping first kind dumb bell sample 7 and Equations of The Second Kind dumb bell sample 11.
Dumb bell sample 7 includes two kinds altogether, i.e. first kind dumb bell sample 7 and Equations of The Second Kind dumb bell sample 11, both at meeting
Two kinds of specification dumbbell plates of national standard, make both at crosslinked polyethylene.Other NM structures and annexation with
Detailed description of the invention one or four is identical.
Detailed description of the invention six: combine Fig. 1, Fig. 2 and Fig. 3 and present embodiment is described, first time clamping in present embodiment
Part 5 is identical with the structure of second time clamping element 9.Other NM structures and annexation are identical with detailed description of the invention five.
Detailed description of the invention seven: combine Fig. 1, Fig. 2 and Fig. 3 and present embodiment is described, often organizes the second mark in present embodiment
Note scale 12 includes that a plurality of second mark graduation mark, a plurality of second mark graduation mark are horizontally set on chi plate 1 from top to bottom
On back plate face, the scale value in a plurality of second mark graduation mark is incremented by the most successively, in a plurality of second mark graduation mark
Distance between zero graduation line and chi plate 1 end face is 5-10mm, and the distance between every two second mark graduation marks is
10mm, the midpoint between Article 2 graduation mark and Article 3 graduation mark in a plurality of second mark graduation mark represents that Equations of The Second Kind is mute
The elongation of bell sample 11 is 50%, and the Article 3 graduation mark in a plurality of second mark graduation mark represents Equations of The Second Kind dumbbell
The elongation of sample 11 is 100%, is evenly arranged with three single lines between Article 3 graduation mark and Article 4 graduation mark,
Article 1, single line represents that the elongation of Equations of The Second Kind dumb bell sample 11 is 125%, and Article 3 single line represents Equations of The Second Kind dumbbell
The elongation of sample 11 is 175%, and the Article 4 graduation mark in a plurality of second mark graduation mark represents Equations of The Second Kind dumbbell
The elongation of sample 11 is 200%.
In the range of in present embodiment, the top of Equations of The Second Kind dumb bell sample 11 is clipped in the 5-10mm at carpenters square plate 1 top, and really
Protect the Article 1 graduation mark in a plurality of second mark graduation mark to the region between Article 2 graduation mark and Equations of The Second Kind dumb bell sample
In the middle part of in the of 11, stretch zones is corresponding.The present invention also can mark a plurality of aid mark line on Equations of The Second Kind dumb bell sample 11, is used for
The second corresponding for Equations of The Second Kind dumb bell sample 11 reference mark 12 can preferably be compared by observer.Guarantee observation
Data are more accurate.
In present embodiment, the elongation of Equations of The Second Kind dumb bell sample 11 is based on what length scale drew, and it is a phase
To value.Drawing according to repeatedly sampling test, when the elongation of Equations of The Second Kind dumb bell sample 11 is 100%, it is corresponding
Scale be exactly a plurality of second mark graduation mark in Article 3 graduation mark.The present invention is by effective to length scale and percentage scale
Combine, it is possible to save the observation time of Equations of The Second Kind dumb bell sample 11, the accuracy of measured value can also be improved simultaneously.
The reason of the corresponding graduation mark of other elongation value is ibid.Other NM structures and annexation and specific embodiment party
Formula six is identical.
Claims (7)
1. the special fixed mount of a hot elongation test, it is characterised in that: it include chi plate (1), chi plate support (2),
Base (3), multiple upper clamping element (4), multiple first time clamping element (5) and multiple first buckle (6), described chi
Plate (1) is vertically arranged and it is fixedly connected on base (3) by chi plate support (2), multiple upper clamping elements (4)
Length direction along chi plate (1) is evenly arranged in the top of chi plate (1), and multiple first time clamping element (5) are along chi plate (1)
Length direction be evenly arranged on the front face of chi plate (1), upper clamping element (4) and first time clamping element (5) 1 a pair
Should arrange, between each upper clamping element (4) and first time clamping element (5) of its correspondence, be provided with a first kind dumb bell sample
(7), each first kind dumb bell sample (7) is detachably connected on the header board of chi plate (1) by multiple first buckles (6)
On face, the front face of described chi plate (1) is machined with many groups of the first reference marks (8) being vertically arranged, and each first kind is mute
The side of bell sample (7) is to there being one group of first reference mark (8).
The special fixed mount of a kind of hot elongation test the most according to claim 1, it is characterised in that: often group the first mark
Scale (8) includes that a plurality of first mark graduation mark, a plurality of first mark graduation mark are horizontally set on chi plate (1) from top to bottom
Front face on, a plurality of first mark graduation mark in scale value be incremented by the most successively, a plurality of first mark graduation mark in
Zero graduation line and chi plate (1) end face between distance be 5-10mm, every two first mark graduation marks between distances be
10mm, the Article 5 graduation mark in a plurality of first mark graduation mark represents that the elongation of first kind dumb bell sample (7) is
50%, the Article 6 graduation mark in a plurality of first mark graduation mark represents that the elongation of first kind dumb bell sample (7) is
100%, between Article 6 graduation mark and Article 7 graduation mark, the scale value at midpoint represents the elongation of first kind dumb bell sample (7)
Percentage is 125%, and the Article 7 graduation mark in a plurality of first mark graduation mark represents the elongation of first kind dumb bell sample (7)
Percentage is 150%, and between Article 7 graduation mark and Article 8 graduation mark, the scale value at midpoint represents first kind dumb bell sample (7)
Elongation be 175%, a plurality of first mark graduation mark in Article 8 graduation mark represent first kind dumb bell sample (7)
Elongation be 200%.
The special fixed mount of a kind of hot elongation test the most according to claim 1 and 2, it is characterised in that: upper clamping element
(4) include that resilient clamp frame (4-1) and two handpieces (4-2), described upper resilient clamp frame (4-1) are arranged on chi
The top of plate (1), said two handpiece (4-2) is separately positioned on the both sides of resilient clamp frame (4-1).
The special fixed mount of a kind of hot elongation test the most according to claim 3, it is characterised in that: first time clamping element
(5) lower resilient clamp frame (5-1), counterweight bar (5-2), limited block (5-3) and multiple counterweight (5-4) are included, under
Resilient clamp frame (5-1) is arranged on the front face of chi plate (1), and the bare terminal end of lower resilient clamp frame (5-1) is right towards it
The upper resilient clamp frame (4-1) answered, the bottom of lower resilient clamp frame (5-1) is fixing with the upper end of counterweight bar (5-2) to be connected,
The lower end of counterweight bar (5-2) is fixing with limited block (5-3) to be connected, and multiple counterweights (5-4) are arranged on counterweight bar (5-2).
5. according to the special fixed mount of a kind of hot elongation test described in claim 1 or 4, it is characterised in that: it also includes
Multiple second time clamping element (9) and multiple second buckle (10), multiple second time clamping element (9) are along the length of chi plate (1)
Degree direction is evenly arranged on the back plate face of chi plate (1), and upper clamping element (4) and second time clamping element (9) one_to_one corresponding set
Put, between each upper clamping element (4) and second time clamping element (9) of its correspondence, be provided with an Equations of The Second Kind dumb bell sample (11),
Each Equations of The Second Kind dumb bell sample (11) is detachably connected on the back plate face of chi plate (1) by multiple second buckles (10),
The back plate face of described chi plate (1) is machined with many groups of the second reference marks (12) being vertically arranged, each Equations of The Second Kind dumb bell sample
(11) side is to there being one group of second reference mark (12).
The special fixed mount of a kind of hot elongation test the most according to claim 5, it is characterised in that: first time clamping element
(5) structure of with the second time clamping element (9) is identical.
The special fixed mount of a kind of hot elongation test the most according to claim 6, it is characterised in that: often group the second mark
Scale (12) includes that a plurality of second mark graduation mark, a plurality of second mark graduation mark are horizontally set on chi plate (1) from top to bottom
Back plate face on, a plurality of second mark graduation mark in scale value be incremented by the most successively, a plurality of second mark graduation mark in
Zero graduation line and chi plate (1) end face between distance be 5-10mm, every two second mark graduation marks between distances be
10mm, the midpoint between Article 2 graduation mark and Article 3 graduation mark in a plurality of second mark graduation mark represents Equations of The Second Kind dumbbell
The elongation of sample (11) is 50%, and the Article 3 graduation mark in a plurality of second mark graduation mark represents Equations of The Second Kind dumbbell
The elongation of sample (11) is 100%, is evenly arranged with three single lines between Article 3 graduation mark and Article 4 graduation mark,
Article 1, single line represents 125%, and Article 3 single line represents 175%, the Article 4 graduation mark table in a plurality of second mark graduation mark
The elongation showing Equations of The Second Kind dumb bell sample (11) is 200%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610304772.3A CN105910896B (en) | 2016-05-10 | 2016-05-10 | A kind of special fixed frame of hot elongation test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610304772.3A CN105910896B (en) | 2016-05-10 | 2016-05-10 | A kind of special fixed frame of hot elongation test |
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| CN105910896A true CN105910896A (en) | 2016-08-31 |
| CN105910896B CN105910896B (en) | 2018-07-24 |
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| CN108613888A (en) * | 2018-07-12 | 2018-10-02 | 东莞市越铧电子科技有限公司 | A kind of hot extending test device based on image procossing |
| CN109991065A (en) * | 2019-05-05 | 2019-07-09 | 中国人民解放军陆军装甲兵学院 | The coating spraying method of matrix of samples for the observation of coating material original position stretching |
| CN112098232A (en) * | 2018-03-20 | 2020-12-18 | 国网山东省电力公司济宁供电公司 | Method for measuring ultimate tensile length of test piece |
| CN112213210A (en) * | 2020-09-28 | 2021-01-12 | 安徽徽宁电器仪表集团有限公司 | Thermal extension test detection equipment for tubular insulation test piece |
| CN113533180A (en) * | 2021-06-18 | 2021-10-22 | 中铁检验认证中心有限公司 | Waterproof board alkali resistance test device and sample rack for same |
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