CN108931433A - A kind of aluminium alloy elongation percentage measuring device and method - Google Patents
A kind of aluminium alloy elongation percentage measuring device and method Download PDFInfo
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- CN108931433A CN108931433A CN201811109593.XA CN201811109593A CN108931433A CN 108931433 A CN108931433 A CN 108931433A CN 201811109593 A CN201811109593 A CN 201811109593A CN 108931433 A CN108931433 A CN 108931433A
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- aluminium alloy
- elongation percentage
- tensile bar
- measuring device
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title description 10
- 125000006850 spacer group Chemical group 0.000 claims abstract description 26
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 238000000691 measurement method Methods 0.000 claims abstract description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a kind of aluminium alloy elongation percentage measuring devices, it include: guide cylinder, one end is provided with fixed block piece, and the other end is provided with adjustable pitch component, and surface has an opening, a screw hole is set in the guide cylinder and is just being oppositely arranged with the opening；Support frame, it is vertical with the guide cylinder surface to connect；Balance-adjustable component, including arc spacer, the arc spacer are set in the guide cylinder.The invention also discloses a kind of aluminium alloy elongation percentage measurement methods.Aluminium alloy elongation percentage measuring device through the invention, easy to operate and measurement accuracy are higher.
Description
Technical field
The present invention relates to field of aluminum alloys, more particularly to a kind of aluminium alloy elongation percentage measuring device and method.
Background technique
Aluminum alloy spare part is widely applied in many industries (such as automobile industry), and elongation percentage is to measure aluminum alloy spare part
Important indicator, the mechanical strength of aluminum alloy spare part is measured by test elongation percentage.Usual upstream manufacturing enterprise usually will
Molten aluminum is cast as columned tensile bar, is especially cast as thick cylindric in intermediate thin, both ends and tests elongation percentage, due to
The shape of tensile bar is presented irregular status after tension test, and when contraposition is not easy to be aligned, and is easy inclination, therefore be easy to make
At measurement inaccuracy.
Therefore those skilled in the art are dedicated to developing a kind of higher aluminium alloy elongation percentage of easy to operate and measurement accuracy
Measuring device and method.
Summary of the invention
In view of the above drawbacks of the prior art, technical problem to be solved by the invention is to provide a kind of easy to operate and
The higher aluminium alloy elongation percentage measuring device of measurement accuracy and method.
To achieve the above object, the present invention provides a kind of aluminium alloy elongation percentage measuring devices, comprising: guide cylinder,
One end is provided with fixed block piece, and the other end is provided with adjustable pitch component, and surface has an opening, and a screw hole is set to described lead
It is just being oppositely arranged on cylinder and with the opening；Support frame, it is vertical with the guide cylinder surface to connect；Balance-adjustable group
Part, including arc spacer, the arc spacer are set in the guide cylinder.
Preferably, the position that the guide cylinder is bonded with the arc spacer is provided with and the arc spacer uniform thickness
The recess portion of degree, the arc spacer are set in the recess portion.
Preferably, the balance-adjustable component further includes a bolt, the arc spacer and vertical with the bolt it connect
, the bolt is connect with the screw hole.
Preferably, the adjustable pitch component includes cushion block, spring and adjustable screw rod, the both ends of the spring respectively with it is described
Cushion block is connected with one end of the adjustable screw rod, and the guide cylinder and the adjustable screw rod are connected with each other by screw thread.
Preferably, the adjustable pitch component further includes knob, the knob is connect with the adjustable screw rod other end.
Preferably, the opening is axially arranged along the guide cylinder, the length of the opening is drawn greater than aluminium alloy to be measured
The length of the original gauge length of power coupon, it is described to be open close to one end of the fixed block piece and the label alignment of the original gauge length
Setting.
Preferably, the length of the opening be greater than aluminium alloy tensile bar to be measured original gauge length length be [7mm,
10mm]。
The present invention provides a kind of aluminium alloy elongation percentage measurement method, step includes:
1) tensile bar that aluminium alloy tensile bar to be measured is broken into two sections of fractures, by the drawing of two sections of fractures
Power coupon is placed in aluminium alloy elongation percentage measuring device；
2) tensile bar for adjusting two sections of fractures carries out alignment contraposition in breaking part, so that described in two sections of breaking part
The tensile bar of fracture is in a horizontal position；
3) length of the tensile bar of two sections of fractures after measurement contraposition, is calculated surveyed aluminium alloy tensile bar
Elongation percentage.
Preferably, measured using above-mentioned aluminium alloy elongation percentage measuring device, it is described by two sections of institutes in step 1)
The tensile bar for stating fracture is placed in aluminium alloy elongation percentage measuring device, and specific steps include: by the drawing of two sections of fractures
Power coupon is placed in the guide cylinder in the opposite direction respectively from the opening.
Preferably, the breaking part of the tensile bar for adjusting two sections of fractures is aligned, specifically in step 2)
Step includes: to adjust the adjustable pitch component closely to be abutted the tensile bar of two sections of fractures in the breaking part,
The arc spacer is set to the underface of the breaking part of the tensile bar of two sections of fractures.
It, can be to breaking the beneficial effects of the present invention are: aluminium alloy elongation percentage measuring device and method through the invention
Tensile bar to be measured afterwards carries out auxiliary para alignment, and can also accurately be measured, and easy to operate and measurement accuracy is higher,
Also it can be assembled and be dismantled, easy to carry, manufacturing cost is low.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment of the invention aluminium alloy elongation percentage measuring device.
Fig. 2 is that embodiment of the invention tensile bar is broken preceding and post-rift structural schematic diagram.
Fig. 3 is that another specific embodiment tensile bar of the present invention is broken preceding and post-rift structural schematic diagram.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
As shown in Figure 1, Figure 2, Figure 3 shows, the embodiment of the invention discloses a kind of aluminium alloy elongation percentage measuring devices, comprising: leads
To cylinder 1, one end is provided with fixed block piece 2, and the other end is provided with adjustable pitch component 3, and surface has an opening 101, and one
Screw hole 102 is set in guide cylinder 1 and is just being oppositely arranged with opening 101；Support frame 4, it is vertical with 1 surface of guide cylinder to connect
It connects；Balance-adjustable component 5, including arc spacer 501, arc spacer 501 are set in guide cylinder 1.Usual upstream manufacture enterprise
Industry tensile bar is cast as it is cylindric, firstly, tensile bar can be broken into two sections, pulling force that then two sections are broken
The breaking portion of coupon measures after carrying out contraposition alignment, carries out two sections of auxiliary using aluminium alloy elongation percentage device of the invention
The contraposition registration process of the tensile bar of fracture, during processing, the fracture location for the tensile bar that two sections are broken are opposite
It is placed in guide cylinder, wherein the fixed block piece of one end abutting that one section of tensile bar is opposite with breaking portion, another section of pulling force
The both ends tensile bar of fracture be aligned by coupon one end opposite with breaking portion by adjustable pitch component be adjacent to after, then
Measure length.When being cast as the columned tensile bar of intermediate thin, both ends slightly to test elongation percentage, generally it is broken
Position is within the scope of the thin cylindrical region in centre of tensile bar, in order to keep two sections of fractures tensile bar fracture
The balance divided faces in opposite directions carries out contraposition alignment, can be encased inside the tensile bar that certain thickness arc spacer is broken at two sections
Fracture position, keep balance to face in opposite directions and carries out contraposition alignment.It is carried out by above-mentioned aluminium alloy elongation percentage measuring device
The length of measurement fracture back pull coupon, so that last calculated elongation percentage is more accurate.
In the present embodiment, support frame 4 is provided with the arc clamping head with 1 surface engagement of guide cylinder, and arc clamping head position
Between support frame 4 and guide cylinder 1.When setting arc clamping head is that guide cylinder is placed on desktop in order to prevent on the support frame
It will do it overturning, be unfavorable for aligning registration process and measurement, setting can prevent the overturning of guide cylinder in this way, and facilitate progress
Assembly and disassembly.
In the present embodiment, fixed block piece 2 is integrated with guide cylinder 1 is made.
In the present embodiment, the position that guide cylinder 1 is bonded with arc spacer 501 is provided with arc spacer 501 etc.
The recess portion of thickness, arc spacer 501 are set in recess portion；Balance-adjustable component 5 further includes a bolt 502,501 He of arc spacer
Connected vertically with bolt 502, bolt 502 is connect with screw hole 102.Arc spacer is set in recess portion, arc spacer is allowed to exist
It is on the same arc surface with the inner wall of guide cylinder in guide cylinder, so that the tensile bar of both ends fracture is put into guiding from opening
It is unrestricted when in cylinder；When test be it is intermediate thin, both ends slightly columned tensile bar when, adjustable bolt is by arc-shaped pad
Piece screws out from recess portion and has certain altitude, and the fracture position of the tensile bar of two sections of fractures is allowed to keep balancing.
In the present embodiment, adjustable pitch component 3 include cushion block 301, spring 302 and adjustable screw rod 303, the two of spring 302
End is connect with one end of cushion block 301 and adjustable screw rod 303 respectively, and guide cylinder 1 is mutually interconnected with adjustable screw rod 303 by screw thread
It connects.One end (non-fracture position) of the wherein one section of tensile bar for the tensile bar that cushion block is broken with two sections contacts, by adjustable
The adjusting of screw rod screws in, so that after spring pushes cushion block that the tensile bar that two sections are broken is carried out contraposition alignment, further such that
The breaking portion of the tensile bar of two sections of fractures is adjacent to.
In the present embodiment, adjustable pitch component 3 further includes knob 304, and knob 304 is connect with adjustable 303 other end of screw rod.
In the present embodiment, the guide cylinder 1 is transparent material, is tensile bar convenient for observing two sections of fractures being put into
Connection.
In the present embodiment, the aluminium alloy elongation percentage measuring device further includes support 6, the support 6 and the support
Frame 4 vertically connects.
In the present embodiment, opening 101 is along the axial setting of guide cylinder 1, and 101 length of being open is greater than aluminium alloy to be measured drawing
The length of the original gauge length of power coupon 7, opening 101 are arranged close to one end of fixed block piece 2 and the label alignment of original gauge length.Benefit
The length of breaked tensile bar is measured with vernier caliper.Preferably, the length of opening 101 is drawn greater than aluminium alloy to be measured
The length of the original gauge length of power coupon 7 is [7mm, 10mm].To tensile bar to be measured carry out elongation percentage test before, can to
Survey on tensile bar and the label of original gauge length be set, generally can on tensile bar to be measured opposite two opposite directions (such as
Transversely and horizontally place in the plane, opposite direction is from left to right and from right to left) all make a label respectively, amount to two
Label, general original gauge length is N times of tensile bar diameter of section to be measured, particularly for intermediate thin, two sections of thick barbell shapes
Tensile bar diameter of section be intermediate thin region cylinder diameter, preferably, being set as 6 times；It will be in the original of setting
The wherein one section of one end for being disposed close to cushion block being broken in gauge length, the length extended after being stretched convenient for measurement.
The embodiment of the invention discloses a kind of aluminium alloy elongation percentage measurement method, step includes:
1) tensile bars 8 that aluminium alloy tensile bar 7 to be measured is broken into two sections of fractures, by two sections of fractures
Tensile bar 8 is placed in aluminium alloy elongation percentage measuring device；
2) tensile bar 8 for adjusting two sections of fractures carries out alignment contraposition in breaking part, so that two sections of institutes of breaking part
The tensile bar 8 for stating fracture is in a horizontal position；
3) surveyed aluminium alloy pulling force examination is calculated in the length of the tensile bar 8 of two sections of fractures after measurement contraposition
The elongation percentage of stick 7.
In the present embodiment, it is measured using above-mentioned aluminium alloy elongation percentage measuring device, it is described to incite somebody to action in step 1)
The tensile bar 8 of two sections of fractures is placed in aluminium alloy elongation percentage measuring device, and specific steps include:
The tensile bar 8 of two sections of fractures is placed on the guiding circle from the opening 101 in the opposite direction respectively
In cylinder 1.
In the present embodiment, in step 2), the breaking part of the tensile bar 8 for adjusting two sections of fractures is carried out pair
Position, specific steps include:
It adjusts the adjustable pitch component 3 and is closely abutted the tensile bar 8 of two sections of fractures in the breaking part,
The arc spacer 501 is set to the underface of the breaking part of the tensile bar 8 of two sections of fractures.
Aluminium alloy elongation percentage measuring device and method through the invention can carry out breaked tensile bar to be measured
Auxiliary para alignment, and can also accurately be measured, easy to operate and measurement accuracy is higher, and also it can be assembled and be dismantled,
Easy to carry, manufacturing cost is low.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of aluminium alloy elongation percentage measuring device characterized by comprising
Guide cylinder (1), one end are provided with fixed block piece (2), and the other end is provided with adjustable pitch component (3), and surface has
One opening (101), a screw hole (102) are set on the guide cylinder (1) and are just being oppositely arranged with the opening (101)；
Support frame (4), it is vertical with the guide cylinder (1) surface to connect；
Balance-adjustable component (5), including arc spacer (501), the arc spacer (501) are set to the guide cylinder (1)
It is interior.
2. aluminium alloy elongation percentage measuring device as described in claim 1, which is characterized in that the guide cylinder (1) with it is described
The position that arc spacer (501) is bonded is provided with the recess portion with the arc spacer (501) equal thickness, the arc spacer
(501) it is set in the recess portion.
3. aluminium alloy elongation percentage measuring device as described in claim 1, which is characterized in that the balance-adjustable component (5) is also
Including a bolt (502), the arc spacer (501) and connected vertically with the bolt (502), the bolt (502) with
Screw hole (102) connection.
4. the aluminium alloy elongation percentage measuring device as described in claims 1 or 2 or 3, which is characterized in that the adjustable pitch component
(3) include cushion block (301), spring (302) and adjustable screw rod (303), the both ends of the spring (302) respectively with the cushion block
(301) it is connected with one end of the adjustable screw rod (303), guide cylinder (1) is mutually interconnected with adjustable screw rod (303) by screw thread
It connects.
5. aluminium alloy elongation percentage measuring device as claimed in claim 4, which is characterized in that the adjustable pitch component (3) is also wrapped
It includes knob (304), the knob (304) connect with adjustable screw rod (303) other end.
6. aluminium alloy elongation percentage measuring device as described in claim 1, which is characterized in that the opening (101) is led along described
Axially it is arranged to cylinder (1), the length of the opening (101) is greater than the length of the original gauge length of aluminium alloy tensile bar (7) to be measured
Degree, the opening (101) are arranged close to one end of the fixed block piece (2) and the label alignment of the original gauge length.
7. aluminium alloy elongation percentage measuring device as claimed in claim 6, which is characterized in that the length of the opening (101) is big
In aluminium alloy tensile bar (7) to be measured original gauge length length be [7mm, 10mm].
8. a kind of aluminium alloy elongation percentage measurement method, which is characterized in that step includes:
1) tensile bars (8) that aluminium alloy tensile bar (7) to be measured is broken into two sections of fractures, by two sections of fractures
Tensile bar (8) is placed in aluminium alloy elongation percentage measuring device；
2) tensile bar (8) for adjusting two sections of fractures carries out alignment contraposition in breaking part, so that described in two sections of breaking part
The tensile bar (8) of fracture is in a horizontal position；
3) length of the tensile bar (8) of two sections of fractures after measurement contraposition, is calculated surveyed aluminium alloy tensile bar
(7) elongation percentage.
9. aluminium alloy elongation percentage measurement method as claimed in claim 8, which is characterized in that any using such as claim 1 to 7
The aluminium alloy elongation percentage measuring device measures, in step 1), the tensile bar (8) by two sections of fractures
It is placed in aluminium alloy elongation percentage measuring device, specific steps include:
The tensile bar (8) of two sections of fractures is placed on the guiding circle from the opening (101) in the opposite direction respectively
In cylinder (1).
10. aluminium alloy elongation percentage measurement method as claimed in claim 9, which is characterized in that described to adjust two in step 2)
The breaking part of the tensile bar (8) of Duan Suoshu fracture is aligned, and specific steps include:
The adjustable pitch component (3) is adjusted closely to be abutted the tensile bar (8) of two sections of fractures in the breaking part,
The arc spacer (501) is set to the underface of the breaking part of the tensile bar (8) of two sections of fractures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811109593.XA CN108931433A (en) | 2018-09-21 | 2018-09-21 | A kind of aluminium alloy elongation percentage measuring device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811109593.XA CN108931433A (en) | 2018-09-21 | 2018-09-21 | A kind of aluminium alloy elongation percentage measuring device and method |
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| Publication Number | Publication Date |
|---|---|
| CN108931433A true CN108931433A (en) | 2018-12-04 |
Family
ID=64443665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811109593.XA Pending CN108931433A (en) | 2018-09-21 | 2018-09-21 | A kind of aluminium alloy elongation percentage measuring device and method |
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| Country | Link |
|---|---|
| CN (1) | CN108931433A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595873A (en) * | 2019-09-10 | 2019-12-20 | 华中科技大学 | Tensile sample gauge length and post-fracture gauge length measuring equipment |
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| US20070151359A1 (en) * | 2005-12-29 | 2007-07-05 | Accellent, Inc. | Method for measuring and calculating tensile elongation of ductile metals |
| CN201828459U (en) * | 2010-06-11 | 2011-05-11 | 武汉钢铁(集团)公司 | Measuring device for percentage elongation after fracture of tensile test piece |
| CN203772183U (en) * | 2014-04-08 | 2014-08-13 | 凯斯曼秦皇岛汽车零部件制造有限公司 | Aluminum alloy elongation measuring device |
| CN204116143U (en) * | 2014-08-26 | 2015-01-21 | 陕西法士特齿轮有限责任公司 | A kind of metal stretching device for measuring properties |
| CN204705304U (en) * | 2015-06-05 | 2015-10-14 | 晋中市纺织机械产品质量监督检验中心 | A kind of tensile test bar detects appliance special for detecting |
| KR20180071035A (en) * | 2016-12-19 | 2018-06-27 | 성균관대학교산학협력단 | Elongation measuring device |
| CN209132092U (en) * | 2018-09-21 | 2019-07-19 | 重庆剑涛铝业有限公司 | A kind of aluminium alloy elongation percentage measuring device |
-
2018
- 2018-09-21 CN CN201811109593.XA patent/CN108931433A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070151359A1 (en) * | 2005-12-29 | 2007-07-05 | Accellent, Inc. | Method for measuring and calculating tensile elongation of ductile metals |
| CN201828459U (en) * | 2010-06-11 | 2011-05-11 | 武汉钢铁(集团)公司 | Measuring device for percentage elongation after fracture of tensile test piece |
| CN203772183U (en) * | 2014-04-08 | 2014-08-13 | 凯斯曼秦皇岛汽车零部件制造有限公司 | Aluminum alloy elongation measuring device |
| CN204116143U (en) * | 2014-08-26 | 2015-01-21 | 陕西法士特齿轮有限责任公司 | A kind of metal stretching device for measuring properties |
| CN204705304U (en) * | 2015-06-05 | 2015-10-14 | 晋中市纺织机械产品质量监督检验中心 | A kind of tensile test bar detects appliance special for detecting |
| KR20180071035A (en) * | 2016-12-19 | 2018-06-27 | 성균관대학교산학협력단 | Elongation measuring device |
| CN209132092U (en) * | 2018-09-21 | 2019-07-19 | 重庆剑涛铝业有限公司 | A kind of aluminium alloy elongation percentage measuring device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110595873A (en) * | 2019-09-10 | 2019-12-20 | 华中科技大学 | Tensile sample gauge length and post-fracture gauge length measuring equipment |
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