CN205482904U - A clamping device for extensometer - Google Patents
A clamping device for extensometer Download PDFInfo
- Publication number
- CN205482904U CN205482904U CN201620036120.1U CN201620036120U CN205482904U CN 205482904 U CN205482904 U CN 205482904U CN 201620036120 U CN201620036120 U CN 201620036120U CN 205482904 U CN205482904 U CN 205482904U
- Authority
- CN
- China
- Prior art keywords
- extensometer
- blade
- supporting rod
- clamping device
- measuring
- 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.)
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Abstract
The utility model relates to an extensometer technical field, specifically speaking relates to a clamping device for extensometer. It includes the extensometer body, and the extensometer body includes the gage beam, the gage beam outside is equipped with clamping device, and clamping device includes supporting rod and at least one collar of locating the gage beam outside, penetrates supporting rod axial slidable at least one collar is interior and parallel with the gage beam, spacing tip is constructed into in the peripherad extension of supporting rod left end portion, and supporting rod right -hand member portion constructs into the centre gripping tip to the cutting edge lateral buckling, spacing tip with be equipped with compression spring between at least one collar, the centre gripping tip is used for measuring the piece with the cutting edge cooperation with the centre gripping under compression spring's effect. The utility model discloses the extensometer cutting edge can be realized better and the location between the piece is measured.
Description
Technical field
The present invention relates to extensometer technical field, specifically, relate to a kind of clamping device for extensometer.
Background technology
Extensometer is a kind of instrument of the top-stitching deformation measuring component and 2, other objects, generally by sensor,
Amplifier and recorder three part composition.Direct and the tested component of sensor contacts.2 points tested on component
Between distance be gauge length, gauge length be changed to line deformation, the deformation of member, sensor is along with deformation, and handle
This deformation is converted to the information such as machinery, optical, electrical, sound, and the tiny signal that sensor exports is put by amplifier
Greatly, the signal after recorder (or reader) will amplify directly displays or automatically records.
At present, various metals both domestic and external and nonmetallic material testing machine, are equipped with clip electronic extensometer,
This clip electronic extensometer often uses rubber band two pieces of cutting edge pieces of binding on sample, measures sample and exists
Deformation in specific length (gauge length), the elongation of detection sample.This kind of electronic extensometer measuring gage fixed length
Degree (gauge length) is fixing, i.e. different gauge lengths, must be equipped with different extensometers.And due to the elasticity of rubber band
The different differences with testing crew, can cause result of the test to have bigger difference, and repeatable accuracy is poor, not even
Accurately, inevitably there is bias in sample, thus causes the bias of tension test, causes sample measurement to be tied
There is error in fruit.
Summary of the invention
In order to overcome certain or some defect of prior art, the invention provides a kind of for measuring gold
Belong to the extensometer of material deformation.
According to the extensometer for measuring metallic materials deformation of the present invention, it includes extensometer body, extends
Meter body includes measuring arm；Measure and outside arm, be provided with clamping device, measure arm right-hand member and be provided with blade；
Clamping device includes supporting rod and is located at least one mounting ring measured outside arm, and supporting rod axially may be used
Penetrate at least one mounting ring described slidably interior and parallel with measuring arm；Supporting rod left part extends outside
Being configured to spacing end, supporting rod right part is configured to clamping end to blade lateral buckling；Spacing end and institute
Stating at least one installation interannular and be provided with compression spring, clamping end is used under the effect of compression spring and blade
Coordinate to clamp measuring piece；
Blade includes connecting portion and the blade portion being sequentially connected with, and measures arm right side and is configured with for connecting portion slotting
The installation slotted eye entered；Connecting portion sidewall is radially provided with at least one Blind locating holes, installs slotted eye sidewall corresponding
The most radially it is provided with positioning screw hole at arbitrary Blind locating holes, is equipped with for stretching into location at arbitrary positioning screw hole
Location screw in blind hole.
The present invention's is a kind of in the extensometer of measuring metallic materials deformation, measures and can be provided with folder outside arm
Hold device, clamping device can include one can be axially movable supporting rod, supporting rod can be by multiple
Mounting ring is located at outside measurement arm, and supporting rod left part can extend outside and be configured to spacing end, clamping
Bar right part can be configured to the installation interannular energy of clamping end, spacing end and the leftmost side to blade lateral buckling
Enough being provided with a compression spring, this structure makes, when measuring piece is clamped by needs, it is possible to pass through
Clamping end is pulled to be placed between clamping end and blade by measuring piece, under the effect of compression spring spring,
Clamping end and blade can be cooperated thus preferably realize the clamping to measuring piece.
The present invention's is a kind of in the extensometer of measuring metallic materials deformation, the connection that blade can be removable
Measuring arm end, so that blade can be conveniently replaceable.
As preferably, arbitrary mounting ring sidewall is the most radially provided with slack adjuster.
The present invention's is a kind of in the extensometer of measuring metallic materials deformation, and arbitrary mounting ring sidewall all can
Radially it is provided with slack adjuster, so that, after clamping end and blade cooperate and clamp measuring piece,
Can be by screwing slack adjuster it is thus possible to preferably avoid blade to produce during measuring and break away, not
When needing measuring piece is clamped, it is possible to by screwing slack adjuster so that clamping end can be preferable
Blade is protected by ground.
As preferably, the most thinning blade that is configured to of blade portion thickness, it is configured with at least one at blade and separates
Groove, at least one separation trough described for being divided into the blade that at least two is separate by blade.
The present invention's is a kind of in the extensometer of measuring metallic materials deformation, blade can include multiple mutually
Independent blade, when measuring piece is clamped, cooperating of multiple blades so that blade can be relatively
It is engaged in multiple different measuring piece surface goodly.
In order to overcome certain or some defect of prior art, present invention also offers a kind of for extending
The clamping device of meter, it can preferably apply in any of the above-described kind of extensometer.
According to the clamping device for extensometer of the present invention, it includes extensometer body, extensometer body bag
Include measurement arm；Measuring and be provided with clamping device outside arm, clamping device includes supporting rod and is located at outside measurement arm
At least one mounting ring, in supporting rod axially slidably penetrates at least one mounting ring described and with measurement
Arm is parallel；Supporting rod left part extends outside and is configured to spacing end, and supporting rod right part is to blade lateral bending
Folding is configured to clamping end；Spacing end is provided with compression spring, bare terminal end with at least one installation interannular described
Portion is for coordinating with blade to clamp measuring piece under the effect of compression spring.
The present invention's is a kind of in the clamping device of extensometer, clamping device can include one can be axial
Movable supporting rod, supporting rod can be located at outside measurement arm by multiple mounting rings, supporting rod left part energy
Enough extending outside and be configured to spacing end, supporting rod right part can be configured to bare terminal end to blade lateral buckling
Portion, spacing end can be provided with a compression spring with the installation interannular of the leftmost side, and this structure makes, when
When needing measuring piece is clamped, it is possible to by pulling clamping end that measuring piece is placed in clamping end and cutter
Between sword, under the effect of compression spring spring so that clamping end and blade can cooperate thus relatively
Realize the clamping to measuring piece goodly.
As preferably, arbitrary mounting ring sidewall is the most radially provided with slack adjuster.
The present invention's is a kind of in the clamping device of extensometer, and arbitrary mounting ring sidewall all can radially set
There is slack adjuster, so that, after clamping end and blade cooperate and clamp measuring piece, it is possible to logical
The tight slack adjuster of overwinding it is thus possible to preferably avoid blade measure during produce break away, need not right
When measuring piece is clamped, it is possible to by screwing slack adjuster so that clamping end can be preferably to cutter
Sword is protected.
As preferably, the quantity of at least one mounting ring described is 2.
The present invention's is a kind of in the clamping device of extensometer, and the quantity of mounting ring is preferably 2, from
And can preferably ensure that supporting rod will not produce during clamping measuring piece and rock.
In order to overcome certain or some defect of prior art, the invention provides a kind of for extensometer
Edge structure, it can preferably apply in any of the above-described kind of extensometer.
According to the edge structure for extensometer of the present invention, it includes extensometer body, extensometer body bag
Include measurement arm；Measuring arm right-hand member and be provided with blade, blade includes connecting portion and the blade portion being sequentially connected with, and measures
Arm right side is configured with the installation slotted eye inserted for connecting portion；Connecting portion sidewall is radially provided with at least one
Blind locating holes, installs and is the most radially provided with positioning screw hole, Ren Yiding at the corresponding arbitrary Blind locating holes of slotted eye sidewall
The location screw being equipped with in stretching into Blind locating holes at the screw of position.
The present invention's is a kind of in the edge structure of extensometer, and what blade can be removable is connected to measure arm
End, so that blade can be conveniently replaceable.
As preferably, the most thinning blade that is configured to of blade portion thickness, it is configured with at least one at blade and separates
Groove, at least one separation trough described for being divided into the blade that at least two is separate by blade.
The present invention's is a kind of in the edge structure of extensometer, and blade can include multiple separate cutter
Sheet, when measuring piece is clamped, cooperating of multiple blades so that blade can preferably be engaged
On multiple different measuring piece surface.
As preferably, the thickness of described at least two blade is identical, and the spacing of any two adjacent knife blades is cutter
2～3 times of sheet thickness.
The present invention's is a kind of in the edge structure of extensometer, and the thickness of all blades can be identical, arbitrarily
The spacing of two adjacent knife blades can be 2～3 times of blade thickness, and this structure makes, and different blades exists
Can be by the power of similarity degree in clamping such that it is able to preferably avoid because of only portion blade serious wear
And cause whole blade normally to use, and the most also making, all of blade can preferably cooperate
And can possess preferably intensity.
Accompanying drawing explanation
Fig. 1 is the side view of a kind of extensometer for measuring metallic materials deformation in embodiment 1；
Fig. 2 is the top view of a kind of extensometer for measuring metallic materials deformation in embodiment 1；
Fig. 3 is the structural representation of blade in embodiment 3；
Fig. 4 is blade and the assembling schematic diagram measuring arm in embodiment 3.
Detailed description of the invention
For further appreciating that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.Should
When being understood by, embodiment be only the present invention explained and and non-limiting.
Embodiment 1
Present embodiments providing a kind of extensometer for measuring metallic materials deformation, it can be preferably to gold
The deformation quantity belonging to material measures.
As shown in Figure 1 and Figure 2, the extensometer in the present embodiment includes extensometer body 100.Extensometer body
100 include measuring arm 110, measure and are provided with clamping device 120 outside arm 110, measure arm 110 right-hand member and are provided with
Blade 130.
Clamping device 120 includes supporting rod 121 and is located at least one mounting ring 122 measured outside arm 110,
It is interior and parallel with measuring arm 110 that supporting rod 121 axially slidably penetrates at least one mounting ring 122 described；
Supporting rod 121 left part extends outside and is configured to spacing end 124, and supporting rod 121 right part is to blade
130 lateral bucklings are configured to clamping end 210；Set between spacing end 124 and at least one mounting ring 122 described
Have a compression spring 123, clamping end 210 for coordinate with blade 130 under the effect of compression spring 123 with
Clamping measuring piece.
In the present embodiment, mounting ring 122 amounts to 2, and arbitrary mounting ring 122 sidewall is the most radially provided with pine
Tight screw 125.
Embodiment 2
Present embodiments providing a kind of clamping device for extensometer, it can be preferably used for embodiment 1
In extensometer in, it includes extensometer body 100.
Extensometer body 100 includes measuring arm 110, measures and is provided with clamping device 120 outside arm 110, clamping
Device 120 includes supporting rod 121 and is located at least one mounting ring 122 measured outside arm 110, supporting rod
In 121 axially slidably penetrate at least one mounting ring 122 described and parallel with measuring arm 110；Supporting rod
121 left parts extend outside and are configured to spacing end 124, and supporting rod 121 right part is to blade 130 lateral bending
Folding is configured to clamping end 210；It is provided with compression bullet between spacing end 124 and at least one mounting ring 122 described
Spring 123, clamping end 210 is for coordinating to clamp measurement with blade 130 under the effect of compression spring 123
Part.
In the present embodiment, mounting ring 122 amounts to 3, and arbitrary mounting ring 122 sidewall is the most radially provided with pine
Tight screw 125.It addition, the clamping end 210 one side pressure relative with blade 130 is carved with netted indentation, from
And can preferably increase the frictional force of clamping end 210 and measuring piece surface, and then preferably prevent blade
130 sideslips during measuring.
Embodiment 3
Present embodiments providing a kind of edge structure for extensometer, it can be preferably used for embodiment 1
In extensometer in, it includes extensometer body 100.Extensometer body 100 includes measuring arm 110, measures
Arm 110 right-hand member is provided with blade 130.
As shown in Figure 3,4, blade 130 includes connecting portion 310 and the blade portion 320 being sequentially connected with, and measures
Arm 110 right side is configured with the installation slotted eye 410 inserted for connecting portion 310；Connecting portion 310 sidewall is along footpath
To being provided with at least one Blind locating holes 311, equal edge at the corresponding arbitrary Blind locating holes 311 of slotted eye 410 sidewall is installed
It is radially provided with positioning screw hole 411, is equipped with in stretching into Blind locating holes 311 at arbitrary positioning screw hole 411
Location screw.
In the present embodiment, the most thinning blade that is configured to of blade portion 320 thickness, it is configured with 2 points at blade
Separate slot 321, these 2 separation troughs 321 for being divided into 3 322,3 separate, blades by blade
The thickness of blade 322 is identical.The spacing of any two adjacent knife blades 322 can be the 2～3 of blade 322 thickness
Times, the present embodiment is 2.5 times.
In the present embodiment, the equal via nitride in surface of arbitrary blade 322 processes the nitridation being configured with one layer of 0.5mm
Layer, so that arbitrary blade 322 is respectively provided with preferably hardness.It addition, the quantity of Blind locating holes 311 is 4
Individual, the corresponding surrounding being distributed in connecting portion 310 respectively, so that blade 130 can preferably be fixed.
Below being schematically described the present invention and embodiment thereof, this description does not has restricted, attached
Shown in figure is also one of embodiments of the present invention, and actual structure is not limited thereto.So,
If those of ordinary skill in the art is enlightened by it, in the case of without departing from the invention objective, no
Through creatively designing the frame mode similar to this technical scheme and embodiment, all should belong to the present invention's
Protection domain.
Claims (3)
1. for the clamping device of extensometer, including extensometer body (100), extensometer body (100)
Including measuring arm (110)；It is characterized in that: measure arm (110) outside and be provided with clamping device (120), folder
Hold device (120) include supporting rod (121) and be located at least one mounting ring measuring arm (110) outside
(122) in, supporting rod (121) axially slidably penetrates described at least one mounting ring (122) and with
Measure arm (110) parallel；Supporting rod (121) left part extends outside and is configured to spacing end (124),
Supporting rod (121) right part is configured to clamping end (210) to blade (130) lateral buckling；Spacing end
And between at least one mounting ring described (122), be provided with compression spring (123), clamping end (210) (124)
For coordinating to clamp measuring piece with blade (130) under the effect of compression spring (123).
Clamping device for extensometer the most according to claim 1, it is characterised in that: arbitrary installation
Ring (122) sidewall is the most radially provided with slack adjuster (125).
Clamping device for extensometer the most according to claim 2, it is characterised in that: described at least
The quantity of one mounting ring (122) is 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620036120.1U CN205482904U (en) | 2016-01-14 | 2016-01-14 | A clamping device for extensometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620036120.1U CN205482904U (en) | 2016-01-14 | 2016-01-14 | A clamping device for extensometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205482904U true CN205482904U (en) | 2016-08-17 |
Family
ID=56668570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620036120.1U Expired - Fee Related CN205482904U (en) | 2016-01-14 | 2016-01-14 | A clamping device for extensometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205482904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827904A (en) * | 2019-03-19 | 2019-05-31 | 安徽理工大学 | A kind of reaction pool device based on micro-cantilever beam sensor |
-
2016
- 2016-01-14 CN CN201620036120.1U patent/CN205482904U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827904A (en) * | 2019-03-19 | 2019-05-31 | 安徽理工大学 | A kind of reaction pool device based on micro-cantilever beam sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20180114 |