CN207051107U - A kind of universal testing machine of more accurate measurement material elongation percentage - Google Patents
A kind of universal testing machine of more accurate measurement material elongation percentage Download PDFInfo
- Publication number
- CN207051107U CN207051107U CN201720948746.4U CN201720948746U CN207051107U CN 207051107 U CN207051107 U CN 207051107U CN 201720948746 U CN201720948746 U CN 201720948746U CN 207051107 U CN207051107 U CN 207051107U
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- Prior art keywords
- specimen holder
- clamp
- elongation percentage
- slideway
- testing machine
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Abstract
The utility model discloses a kind of universal testing machine of more accurate measurement material elongation percentage, belong to measuring apparatus field, its technical scheme is as follows, including base, leading truck, hitch frame, specimen holder, the base upper end is connected with leading truck, it is slidably connected between the leading truck with hitch frame, the hitch frame lower end is rotatablely connected with specimen holder, the base upper end is rotatablely connected specimen holder, the base side slidably connects extensometer, some measured materials are slidably connected on the extensometer, the measured material includes support, slideway, clamp, dynamic folder, the support is connected with slideway, the clamp is slidably connected with slideway, the dynamic folder is slidably connected with clamp, the fixture that can be caught between slideway and clamp is hinged with the slideway, the advantages of with more can accurately determine material elongation percentage.
Description
Technical field
Measuring apparatus field is the utility model is related to, more particularly to a kind of omnipotent examination of more accurate measurement material elongation percentage
Test machine.
Background technology
Universal testing machine is applied to every Mechanics Performance Testing experiment of various metal materials and nonmetallic materials, has strong
Big data analysis and process function.
Publication No. CN204422320 Chinese patent discloses a kind of steel stretching universal testing machine, and it only leads to
Cross fixture clamping material to be stretched, the spacing when needing to measure the elongation percentage of material between a measured material changes often not
Accurately, in general material is all that middle part deformation quantity is larger when being stretched, and the numerical value change measured herein can be more accurate
Calculate the elongation percentage of material.
Utility model content
The purpose of this utility model is to provide a kind of universal testing machine of more accurate measurement material elongation percentage, and it has can
The advantages of more accurately determining material elongation percentage.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of more accurate measurement
The universal testing machine of material elongation percentage, including base, leading truck, hitch frame, specimen holder, the base upper end are consolidated with leading truck
Even, it is slidably connected between the leading truck with hitch frame, the hitch frame lower end is rotatablely connected with specimen holder, on the base
End rotation connection specimen holder, the base side slidably connects extensometer, some surveys is slidably connected on the extensometer
Fixture is measured, the measured material includes support, slideway, clamp, dynamic folder, and the support is connected with slideway, the clamp and slideway
It is slidably connected, the dynamic folder is slidably connected with clamp, and the fixture that can be caught between slideway and clamp is hinged with the slideway.
By using above-mentioned technical proposal, before material elongation percentage is measured, first extensometer is outwards slid, then by clamp with
Dynamic folder is slid onto away from support along slideway length direction, is afterwards clamped sample upper and lower ends by specimen holder, now again will
Extensometer is pushed into towards sample direction, and measured material is slid onto into sample medium position along extensometer length direction afterwards, then will be fixed
Two parts above and below the middle part for pressing from both sides along slideway length direction return and clamping sample are pressed from both sides and moved, fixture is finally caught in slideway with determining
It is between folder that clamp is clamping fixed with moving；Measurable material when setting the measured material to make testing machine expanded material by portion in the sample
The deformation quantity at middle part, the elongation percentage of sample more can be accurately calculated by calculating the deformation quantity in the middle part of sample material, is improved real
Test precision.
Further, the measured material also includes sliding bar, briquetting, and described sliding bar one end is with moving clamping company, institute
State the sliding bar other end to be connected with briquetting, the sliding bar is slidably connected with clamp.
By using above-mentioned technical proposal, briquetting need to be only pressed into when needing and clamping sample and releases dynamic folder, operation ten
Divide simple and convenient.
Further, spring is provided between the briquetting and clamp.
By using above-mentioned technical proposal, it is clamped to sample and decontrols briquetting by spring automatic reset afterwards and pass through spring
Elastic clamping sample, achieves many things at one stroke.
By using above-mentioned technical proposal, briquetting need to be only pressed into when needing and clamping sample and releases dynamic folder, operation ten
Divide simple and convenient.
Further, load sensor is provided between the specimen holder and hitch frame.
By using above-mentioned technical proposal, testing machine is set to detect the pulling force of hitch frame in real time, after being convenient for measuring
The calculating of elongation percentage.
Further, the fixed knot for limiting specimen holder rotation position is provided between the specimen holder and base.
By using above-mentioned technical proposal, specimen holder is fixed using fixed knot, avoids specimen holder in tensile sample
Rotate and sample is twisted off into influence experimental result.
Further, the fixation for limiting specimen holder rotation position is provided between the specimen holder and load sensor
Knot.
By using above-mentioned technical proposal, specimen holder is fixed using fixed knot, avoids specimen holder in tensile sample
Rotate and sample is twisted off into influence experimental result.
Further, described fixed knot one end is threadedly coupled with base and load sensor, the fixed knot other end with
Specimen holder is slidably connected.
By using above-mentioned technical proposal, when needing to fix specimen holder, rotation fixed knot pushes down specimen holder and bottom
Seat and load sensor, utilize the rotation with base and the friction power restriction specimen holder of load sensor.
Further, the fixed knot circular arc end face is fixed with bull stick.
By using above-mentioned technical proposal, turn fixed knot can be facilitated, be easy to fixation and liberation to specimen holder.
In summary, the utility model has the advantages that：
1st, by setting extensometer and measured material to make the elongation percentage of measurement sample more accurate, experimental precision is improved；
2nd, by setting sliding bar, briquetting and the convenient clamping to sample of spring, operating efficiency is improved；
3rd, inserted by fixture between clamp and slideway, the convenient fixation to dynamic folder and dynamic folder；
4th, by setting fixed knot conveniently to fix the position of specimen holder.
Brief description of the drawings
Fig. 1 is the general assembly drawing of the present embodiment；
Fig. 2 is the side view of the present embodiment；
Fig. 3 is the measured material partial top view of the present embodiment；
Fig. 4 is the measured material partial side view of the present embodiment；
Fig. 5 is the measured material partial sectional view of the present embodiment；
Fig. 6 is the measured material and extensometer installation diagram of the present embodiment；
Fig. 7 is the enlarged drawing of A in Fig. 6；
Fig. 8 is the fixed knot assembling section of the present embodiment.
In figure, 1, base；2nd, leading truck；3rd, extensometer；31st, support frame；32nd, cylindrical bar；33rd, sliding stand；4th, hitch frame；
5th, load sensor；6th, fixed knot；61st, bull stick；7th, specimen holder；71st, flange；8th, measured material；81st, support；82nd, slideway；
821st, chute；83rd, fixture；831st, fixture block；84th, clamp；841st, slide plate；85th, folder is moved；86th, bar is slid；87th, briquetting；88th, bullet
Spring.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment：A kind of universal testing machine of more accurate measurement material elongation percentage, with reference to Fig. 1, Fig. 2, including base 1,
Leading truck 2, extensometer 3, hitch frame 4, specimen holder 7, the upper end of base 1 are connected with leading truck 2, and leading truck 2 is frame-shaped structure,
Length direction is vertical direction, and 2 liang of body side frames of leading truck are slidably connected with the both ends of hitch frame 4, and hitch frame 4 can be along leading truck 2
Length direction is slid, and specimen holder 7 is split in the lower end of hitch frame 4 and the upper end of base 1, and splitting two specimen holders 7 up and down can be square
Just clamping sample can make hitch frame 4 stretch sample simultaneously.
With reference to Fig. 1, Fig. 6, extensometer 3 is slidably connected with base 1, and extensometer 3 includes support frame 31, cylindrical bar 32, slided
Platform 33, sliding stand 33 are connected in the bottom of support frame 31, and sliding stand 33 is slidably connected with base 1, and cylindrical bar 32 is connected in support frame
In the middle part of in the of 31, two measured materials 8 are slidably connected on cylindrical bar 32, being slidably connected by sliding stand 33 and base 1 makes extensometer 3
It can be moved forward and backward in equipment, measured material 8 is avoided producing interference away from sample when placing sample；With reference to Fig. 3, Fig. 7,
Measured material 8 includes support 81, slideway 82, clamp 84, dynamic folder 85, and the one end of support 81 is connected with slideway 82, the other end of support 81
It is slidably connected with cylindrical bar 32, clamp 84 is slidably connected with slideway 82, the closing of the one end of slideway 82, avoids clamp 84 from slideway 82 1
End slips；Dynamic folder 85 is slidably connected with clamp 84, and the fixture 83 that can be caught between slideway 82 and clamp 84 is hinged with slideway 82,
With reference to Fig. 4, Fig. 5, chute 821 is provided with slideway 82, the side of clamp 84 is provided with slide plate 841, and slide plate 841 slides with chute 821 to be connected
Connect, the height of slide plate 841 is hinged on the outer end of slideway 82 than the groove of chute 821 height, fixture 83, and the bottom of fixture 83 is provided with fixture block 831；
Before measuring material elongation percentage, first extensometer 3 is outwards slid, then clamp 84 and dynamic folder 85 are slid onto along the length direction of slideway 82
Away from support 81, sample upper and lower ends are clamped by specimen holder 7 afterwards, are now again pushed into extensometer 3 towards sample direction,
Measured material 8 is slid onto into sample medium position along the length direction of extensometer 3 afterwards, then clamp 84 is pressed from both sides 85 along slideway 82 with dynamic
Length direction return and the upper and lower two parts in middle part for clamping sample, are finally caught in chute 821 by the fixture block 831 of the bottom of fixture 83
With the gap between slide plate 841, using the friction increased the pressure of slide plate 841 between slide plate 841 and chute 821 by clamp 84
Fixed with dynamic folder 85；Shape when setting the measured material 8 to make testing machine expanded material by portion in the sample in the middle part of measurable material
Variable, the elongation percentage of sample more can be accurately calculated by calculating the deformation quantity in the middle part of sample material, improves experimental precision.
With reference to Fig. 3, Fig. 7, measured material 8 also includes sliding bar 86, briquetting 87, and sliding one end of bar 86 and dynamic folder 85 are solid
Even, the sliding other end of bar 86 is connected with briquetting 87, and sliding bar 86 is slidably connected with clamp 84, between briquetting 87 and clamp 84
Provided with spring 88；Briquetting 87 need to be only pressed into when needing and clamping sample to release dynamic folder 85, decontrol briquetting 87 afterwards by bullet
Spring 88 resets and by the elastic clamping sample of spring 88, operation very simple is conveniently.
As shown in Fig. 2 the lower end of hitch frame 4 is provided with load sensor 5, the lower end of load sensor 5 is threaded with fixed knot
6, the lower end of fixed knot 6 is rotatablely connected with specimen holder 7, by setting load sensor 5 to make testing machine can be with specimen holder 7
The pulling force of detection hitch frame 4 in real time, the calculating of the elongation percentage after being convenient for measuring；The threaded upper ends of base 1 are connected with fixed knot 6,
The upper end of fixed knot 6 is rotatablely connected with specimen holder 7；With reference to Fig. 8, specimen holder 7 is provided with flange 71 close to the one end of fixed knot 6, Gu
To determine knot 6 to be enclosed on flange 71, the circular arc end face of fixed knot 6 is fixed with bull stick 61, with reference to Fig. 7, when needing to fix specimen holder 7,
Rotation fixed knot 6 makes fixed knot 6 push down flange 71 to make specimen holder 7 with base 1 and load sensor 5 be close to, using with base 1
With the rotation of the friction power restriction specimen holder 7 of load sensor 5, specimen holder 7 is fixed using fixed knot 6, avoids specimen holder
Tool 7 rotates in tensile sample sample twisting off influence experimental result；Bull stick 61 is set to facilitate turn fixed knot 6 simultaneously, just
In fixation and liberation to specimen holder 7.
Specific implementation process：Before material elongation percentage is measured, first extensometer 3 is outwards slid, then clamp 84 is pressed from both sides with dynamic
85 slide onto away from support 81 along the length direction of slideway 82, are afterwards clamped sample upper and lower ends by specimen holder 7, now again
Extensometer 3 is pushed into towards sample direction, measured material 8 is slid onto into sample medium position along the length direction of extensometer 3 afterwards, then
Clamp 84 along the length direction return of slideway 82 and is clamped into two parts above and below the middle part of sample with dynamic folder 85, finally by fixture 83
The fixture block 831 of bottom is caught in the gap between chute 821 and slide plate 841, using the pressure of slide plate 841 is increased slide plate 841 with
Clamp 84 and dynamic folder 85 are fixed in friction between chute 821, and turn fixed knot 6 fixes specimen holder 7, starting device again afterwards
Start the stretching to sample, need to only measure the change of the spacing between two measured materials 8 afterwards and bring formula into and can calculate material
The elongation percentage of material.
In summary, the utility model has by setting extensometer 3 and measured material 8 to make the elongation percentage of measurement sample more
To be accurate, raising experimental precision；By setting sliding bar 86, briquetting 87 and the convenient clamping to sample of spring 88, behaviour is improved
Make efficiency；Inserted by fixture 83 between clamp 84 and slideway 82, the convenient fixation to clamp 84 and dynamic folder 85；It is solid by setting
The advantages of determining the position of the convenient fixed specimen holder 7 of knot 6.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (8)
1. a kind of universal testing machine of more accurate measurement material elongation percentage, including base（1）, leading truck（2）, hitch frame（4）、
Specimen holder（7）, the base（1）Upper end and leading truck（2）It is connected, the leading truck（2）Between with hitch frame（4）The company of slip
Connect, the hitch frame（4）Lower end and specimen holder（7）Rotation connection, the base（1）Upper end is rotatablely connected specimen holder（7）,
It is characterized in that：The base（1）Side slidably connects extensometer（3）, the extensometer（3）If dry measure is slidably connected on
Fixture（8）, the measured material（8）Including support（81）, slideway（82）, clamp（84）, dynamic folder（85）, the support（81）With
Slideway（82）It is connected, the clamp（84）With slideway（82）It is slidably connected, the dynamic folder（85）It is slidably connected with clamp, the cunning
Road（82）On be hinged with and can be caught in slideway（82）With clamp（84）Between fixture（83）.
2. a kind of universal testing machine of more accurate measurement material elongation percentage according to claim 1, it is characterized in that：It is described
Measured material（8）Also include sliding bar（86）, briquetting（87）, the sliding bar（86）One end and dynamic folder（85）It is connected, it is described
Slide bar（86）The other end and briquetting（87）It is connected, the sliding bar（86）With clamp（84）It is slidably connected.
3. a kind of universal testing machine of more accurate measurement material elongation percentage according to claim 2, it is characterized in that：It is described
Briquetting（87）With clamp（84）Between be provided with spring（88）.
4. a kind of universal testing machine of more accurate measurement material elongation percentage according to claim 3, it is characterized in that：It is described
Specimen holder（7）With hitch frame（4）Between be provided with load sensor（5）.
5. a kind of universal testing machine of more accurate measurement material elongation percentage according to claim 4, it is characterized in that：It is described
Specimen holder（7）With base（1）Between be provided with limit specimen holder（7）The fixed knot of rotation position（6）.
6. a kind of universal testing machine of more accurate measurement material elongation percentage according to claim 5, it is characterized in that：It is described
Specimen holder（7）With load sensor（5）Between be provided with limit specimen holder（7）The fixed knot of rotation position（6）.
7. a kind of universal testing machine of more accurate measurement material elongation percentage according to claim 6, it is characterized in that：It is described
Fixed knot（6）One end and base（1）And load sensor（5）Threaded connection, the fixed knot（6）The other end and specimen holder
（7）It is slidably connected.
8. a kind of universal testing machine of more accurate measurement material elongation percentage according to claim 7, it is characterized in that：It is described
Fixed knot（6）Circular arc end face is fixed with bull stick（61）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720948746.4U CN207051107U (en) | 2017-07-31 | 2017-07-31 | A kind of universal testing machine of more accurate measurement material elongation percentage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720948746.4U CN207051107U (en) | 2017-07-31 | 2017-07-31 | A kind of universal testing machine of more accurate measurement material elongation percentage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207051107U true CN207051107U (en) | 2018-02-27 |
Family
ID=61498791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720948746.4U Expired - Fee Related CN207051107U (en) | 2017-07-31 | 2017-07-31 | A kind of universal testing machine of more accurate measurement material elongation percentage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207051107U (en) |
-
2017
- 2017-07-31 CN CN201720948746.4U patent/CN207051107U/en not_active Expired - Fee Related
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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: 20180227 Termination date: 20190731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |