CN105910898B - A kind of application method of the fixture for welding material shearing test - Google Patents
A kind of application method of the fixture for welding material shearing test Download PDFInfo
- Publication number
- CN105910898B CN105910898B CN201610502796.XA CN201610502796A CN105910898B CN 105910898 B CN105910898 B CN 105910898B CN 201610502796 A CN201610502796 A CN 201610502796A CN 105910898 B CN105910898 B CN 105910898B
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- setting
- keyway
- clamping plate
- sample
- out hole
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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
- G01N3/02—Details
- G01N3/04—Chucks
-
- 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
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
-
- 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
- G01N2203/0025—Shearing
Abstract
The invention discloses a kind of fixtures and its application method for welding material shearing test, it is related to shearing strength test device technical field, the fixture includes L-shaped two sections and the identical clamping plate one of structure and clamping plate two, circular and setting-out that is can aligning hole one and setting-out hole two are respectively equipped on longer section of clamping plate one and clamping plate two, the keyway one and keyway two that can be aligned are respectively equipped on the inner wall in setting-out hole one and setting-out hole two, the keyway one and keyway two penetrate through the both ends in setting-out hole one and setting-out hole two respectively.Smoothly the shearing strength of welding material can be tested using the device and this method, and recorded, there is preferable stability, it is convenient and efficient practical.
Description
Technical field
The present invention relates to shearing strength test device technical fields.
Background technique
In centrifugal casting field, the self-anchoring joint of ductile iron pipe needs to weld a metal in the slot side of bulb
Ring, wherein shearing strength is its important one of Testing index, and the superiority and inferiority of the index directly affects ductile iron pipe self-anchoring joint
Sealing performance quality, and whether the shearing resistance of welding material up to standard is directly related to quality, current detection device
In the market without the finished product detection equipment for the project, which examines equipment to be in market vacancy state.
So being badly in need of a kind of a kind of device that can carry out shearing test to welding material and use regarding to the issue above
The method that the device is tested.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of fixture for welding material shearing test and its users
Method can smoothly test the shearing strength of welding material using the device and this method, and be recorded, and have
Preferable stability, it is convenient and efficient practical.
To solve the above problems, the technical solution adopted by the present invention is that: a kind of fixture for welding material shearing test,
The fixture includes that two sections are L-shaped and the identical clamping plate one of structure and clamping plate two, on longer section of clamping plate one and clamping plate two
It is respectively equipped with circular and setting-out that is can aligning hole one and setting-out hole two, is divided on the inner wall in setting-out hole one and setting-out hole two
The keyway one and keyway two that She You not can align, the keyway one and keyway two penetrate through setting-out hole one and setting-out hole two respectively
Both ends.
Preferably, the cross sectional shape of the keyway one and keyway two is rectangle.
Preferably, when keyway one and keyway two align and setting-out hole one and setting-out hole two are mutually to timing, clamping plate one
Top and bottom and horizontally disposed are located at the relatively short section of clamping plate two.
Preferably, the material of the clamping plate one and clamping plate two is 42CrMo steel.
A kind of application method of the fixture for welding material shearing test, includes the following steps:
1) it according to the shape and size in setting-out hole one and setting-out hole two, processing sample one, and is opened in the edge of sample one
Jagged slot according to the shape and size of keyway one, keyway two and gap slot, processing sample two, and measures sample one and examination
The total cross-sectional area S of sample two, notes down；
2) by longer section of clamping plate one and clamping plate two contact with each other and setting-out hole one and setting-out hole two align, keyway one
It is aligned with keyway two, sample one is put into the setting-out hole one and setting-out hole two aligned simultaneously, sample two is inserted into
In the cavity as composed by keyway one, keyway two and gap slot；
3) clamping plate one and clamping plate two are mounted on universal testing machine；
4) start to test, apply load, persistently loaded according to optional test rate, until passing through shearing force for sample
Part is cut, and test is stopped；
5) clamping plate one and clamping plate two are removed, takes out sample one and sample two；Record the maximum value of universal testing machine load
Fmax；
6) shearing strength τ is calculated, with the maximum value Fmax of universal testing machine load divided by the transversal of sample one and sample two
The sum of area S obtains shearing strength τ, i.e. τ=Fmax/S, fills in original record, issues sample examining report.
The beneficial effects of the present invention are: (1) testing machine can steadily apply test force to sample, structure is simple, detects
Reliable performance.(2) solve the vertical center line of clamping plate, shearing section, load axis three be not overlapped and bring sample
Occurred by stretch bending, the irregular phenomenon in shearing section, improves the stability of test.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the structural schematic diagram of sample one and sample two；
Fig. 4 is the cross-sectional view of Fig. 3.
Wherein, 1, clamping plate one, 2, clamping plate two, 3, setting-out hole one, 4, setting-out hole two, 5, keyway one, 6, keyway two, 7, sample
One, 8, sample two, 9, gap slot.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments: as shown in Figure 1-3, it is a kind of
For the fixture of welding material shearing test, which includes L-shaped two sections and the identical clamping plate 1 of structure and clamping plate two
2, circular and setting-out that is can aligning hole 1 and setting-out hole two are respectively equipped on longer section of clamping plate 1 and clamping plate 22
4, the keyway 1 and keyway 26 that can be aligned, the keyway are respectively equipped on the inner wall in setting-out hole 1 and setting-out hole 24
1 and keyway 26 penetrate through the both ends in setting-out hole 1 and setting-out hole 24 respectively.
The cross sectional shape of keyway 1 and keyway 26 is rectangle.When keyway 1 and keyway 26 align and setting-out hole one
3 and setting-out hole 24 when aligning, the relatively short section of clamping plate 1 and clamping plate 22 is located at top and bottom and horizontally disposed.
The material of clamping plate 1 and clamping plate 22 is 42CrMo steel.
A kind of application method of the fixture for welding material shearing test, includes the following steps:
1) according to the shape and size in setting-out hole 1 and setting-out hole 24, processing sample 1, and at the edge of sample 1
Place is provided with gap slot 9, according to the shape and size of keyway 1, keyway 26 and gap slot 9, processing sample 28, and measures examination
The total cross-sectional area S of sample 1 and sample 28, notes down；
2) by longer section of clamping plate 1 and clamping plate 22 contact with each other and setting-out hole 1 and setting-out hole 24 align, key
Slot 1 and keyway 26 align, and sample 1 is put into the setting-out hole 1 and setting-out hole 24 aligned simultaneously, will be tried
Sample 28 is inserted into the cavity as composed by keyway 1, keyway 26 and gap slot 9；
3) clamping plate 1 and clamping plate 22 are mounted on universal testing machine；
4) start to test, apply load, persistently loaded according to optional test rate, until passing through shearing force for sample
Part is cut, and test is stopped；
5) clamping plate 1 and clamping plate 22 are removed, takes out sample 1 and sample 28；Record universal testing machine load most
Big value Fmax；
6) shearing strength τ is calculated, with the maximum value Fmax of universal testing machine load divided by the cross of sample 1 and sample 28
The sum of sectional area S obtains shearing strength τ, i.e. τ=Fmax/S, fills in original record, issues sample examining report.
The beneficial effects of the present invention are: (1) testing machine can steadily apply test force to sample, structure is simple, detects
Reliable performance.(2) solve the vertical center line of clamping plate, shearing section, load axis three be not overlapped and bring sample
Occurred by stretch bending, the irregular phenomenon in shearing section, improves the stability of test.
Claims (1)
1. a kind of application method of the fixture for welding material shearing test, it is characterised in that: the fixture includes two sections
The identical clamping plate one (1) of L-shaped and structure and clamping plate two (2) are set respectively on longer section of clamping plate one (1) and clamping plate two (2)
There are circular and setting-out that is can aligning hole one (3) and setting-out hole two (4), in the interior of setting-out hole one (3) and setting-out hole two (4)
The keyway one (5) and keyway two (6) that can be aligned are respectively equipped on wall, the keyway one (5) and keyway two (6) penetrate through respectively
The both ends in setting-out hole one (3) and setting-out hole two (4)；The cross sectional shape of the keyway one (5) and keyway two (6) is rectangle；Work as key
When slot one (5) and keyway two (6) align and setting-out hole one (3) and setting-out hole two (4) align, clamping plate one (1) and folder
The relatively short section of plate two (2) is located at top and bottom and horizontally disposed；The material of the clamping plate one (1) and clamping plate two (2) is
42CrMo steel；
The application method of the fixture includes the following steps:
1) according to the shape and size in setting-out hole one (3) and setting-out hole two (4), processing sample one (7), and in sample one (7)
Edge is provided with gap slot (9), according to the shape and size of keyway one (5), keyway two (6) and gap slot (9), processing sample
Two (8), and the total cross-sectional area S of sample one (7) and sample two (8) is measured, it notes down；
2) longer section of clamping plate one (1) and clamping plate two (2) is contacted with each other and setting-out hole one (3) and setting-out hole two (4) is mutually right
Just, keyway one (5) and keyway two (6) align, and sample one (7) is put into the setting-out hole one (3) aligned simultaneously and is put
In sample hole two (4), sample two (8) is inserted into the cavity as composed by keyway one (5), keyway two (6) and gap slot (9)；
3) clamping plate one (1) and clamping plate two (2) are mounted on universal testing machine；
4) start to test, apply load, persistently loaded according to optional test rate, until being cut sample coupon by shearing force
It is disconnected, stop test；
5) clamping plate one (1) and clamping plate two (2) are removed, takes out sample one (7) and sample two (8)；Record universal testing machine load
Maximum value Fmax；
6) shearing strength τ is calculated, with the maximum value Fmax of universal testing machine load divided by the cross of sample one (7) and sample two (8)
The sum of sectional area S obtains shearing strength τ, i.e. τ=Fmax/S, fills in original record, issues sample examining report.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610502796.XA CN105910898B (en) | 2016-06-30 | 2016-06-30 | A kind of application method of the fixture for welding material shearing test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610502796.XA CN105910898B (en) | 2016-06-30 | 2016-06-30 | A kind of application method of the fixture for welding material shearing test |
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| Publication Number | Publication Date |
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| CN105910898A CN105910898A (en) | 2016-08-31 |
| CN105910898B true CN105910898B (en) | 2019-04-09 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044941A (en) * | 2017-03-24 | 2017-08-15 | 中国科学院金属研究所 | A kind of single shear performance test methods for being widely used in minute sample |
| CN107024384A (en) * | 2017-04-12 | 2017-08-08 | 哈尔滨汽轮机厂有限责任公司 | A kind of method that shearing experiment detects weld seam shear strength between cellular band and seal with honeycomb seal experimental piece and with it |
| CN107664597B (en) * | 2017-09-27 | 2023-12-01 | 中国航空工业标准件制造有限责任公司 | Spanner-screw test clamp with head welded with spring bolt |
| CN108344632A (en) * | 2018-01-17 | 2018-07-31 | 北京航空航天大学 | A kind of extremely low modulus composite material interlayer shearing clamp and test method |
| CN110031344A (en) * | 2018-01-24 | 2019-07-19 | 中国科学院金属研究所 | A kind of material shear fatigue performance test methods |
| CN109520862B (en) * | 2018-12-06 | 2020-12-04 | 哈尔滨工业大学 | Pure shearing loading device and method for pipes |
| CN109632531B (en) * | 2019-01-15 | 2020-08-25 | 北京航空航天大学 | High-strength cyclic shear test fixture |
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| CN202994576U (en) * | 2012-12-10 | 2013-06-12 | 中国飞机强度研究所 | Shear loading clamp |
| CN203287247U (en) * | 2013-06-08 | 2013-11-13 | 武汉钢铁(集团)公司 | Clamp for testing shear performance of screws |
| CN103487324A (en) * | 2013-09-22 | 2014-01-01 | 重庆交通大学 | Composite soil body compression-shearing fracture failure test method and test device |
| CN203894110U (en) * | 2014-06-19 | 2014-10-22 | 贵州省交通规划勘察设计研究院股份有限公司 | Simple-shear test fixture applicable to detection on self characteristics of coaxial cable |
| CN105699186A (en) * | 2016-03-04 | 2016-06-22 | 中国汽车工程研究院股份有限公司 | Method for testing and evaluating angle-variable kinetic performance of metal resistance spot welding point |
| CN205749111U (en) * | 2016-06-30 | 2016-11-30 | 新兴铸管股份有限公司 | A kind of fixture for welding material shearing test |
-
2016
- 2016-06-30 CN CN201610502796.XA patent/CN105910898B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202994576U (en) * | 2012-12-10 | 2013-06-12 | 中国飞机强度研究所 | Shear loading clamp |
| CN203287247U (en) * | 2013-06-08 | 2013-11-13 | 武汉钢铁(集团)公司 | Clamp for testing shear performance of screws |
| CN103487324A (en) * | 2013-09-22 | 2014-01-01 | 重庆交通大学 | Composite soil body compression-shearing fracture failure test method and test device |
| CN203894110U (en) * | 2014-06-19 | 2014-10-22 | 贵州省交通规划勘察设计研究院股份有限公司 | Simple-shear test fixture applicable to detection on self characteristics of coaxial cable |
| CN105699186A (en) * | 2016-03-04 | 2016-06-22 | 中国汽车工程研究院股份有限公司 | Method for testing and evaluating angle-variable kinetic performance of metal resistance spot welding point |
| CN205749111U (en) * | 2016-06-30 | 2016-11-30 | 新兴铸管股份有限公司 | A kind of fixture for welding material shearing test |
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| CN105910898A (en) | 2016-08-31 |
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