CN105910898A - Clamp used for shearing test of welding material and application method of clamp - Google Patents
Clamp used for shearing test of welding material and application method of clamp Download PDFInfo
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- CN105910898A CN105910898A CN201610502796.XA CN201610502796A CN105910898A CN 105910898 A CN105910898 A CN 105910898A CN 201610502796 A CN201610502796 A CN 201610502796A CN 105910898 A CN105910898 A CN 105910898A
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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
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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
- G01N3/24—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
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- Health & Medical Sciences (AREA)
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- 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)
Abstract
The invention discloses a clamp used for a shearing test of a welding material and an application method of the clamp and relates to the technical field of a shearing strength testing device. The clamp comprises a clamping plate I and a clamping plate II which have L-shaped sections and are the same in structure; a round setting-out hole I and a round setting-out hole II, which can be aligned to each other, are formed in longer sections of the clamping plate I and the clamping plate II; a key slot I and a key slot II, which can be aligned to each other, are formed in inner walls of the setting-out hole I and the setting-out hole II respectively; and the key slot I and the key slot II penetrate through the two ends of the setting-out hole I and the setting-out hole II respectively. With the adoption of the device and the method, disclosed by the invention, the shearing strength of the welding material can be smoothly tested and is recorded; and the device and the method have relatively good stability and are convenient, rapid and practical.
Description
Technical field
The present invention relates to shearing strength test device technique field.
Background technology
In centrifugal casting field, the self-anchoring joint of ductile iron pipe needs the slot side at bulb to weld a becket, wherein shearing strength is one of its important Testing index, the quality of this index directly affects the quality of the sealing property of ductile iron pipe self-anchoring joint, and the shearing resistance quality that is directly connected to the most up to standard of welding material, not for the finished product detection equipment of this project in current detection equipment Market, this kind inspection equipment is in market vacancy state.
So being badly in need of a kind of a kind of device that welding material can be carried out shearing test and the method using this device to test for the problems referred to above.
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 using method thereof, this device and the method is utilized smoothly the shearing strength of welding material to be tested, and carry out record, there is preferable stability, convenient and swift practicality.
For solving the problems referred to above, the present invention adopts the technical scheme that: a kind of fixture for welding material shearing test, this fixture includes two clamping plate that cross section is L-shaped and structure is identical one and clamping plate two, setting-out hole one that is that be respectively equipped with circle on longer section of clamping plate one and clamping plate two and that can align and setting-out hole two, the inwall in setting-out hole one and setting-out hole two is respectively equipped with the keyway one and keyway two that can align, described keyway one and keyway two through setting-out hole one and the two ends in setting-out hole two respectively.
Preferably, the cross sectional shape of described 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 align, shorter section of clamping plate one and clamping plate two lays respectively at top and bottom and horizontally disposed.
Preferably, the material of described clamping plate one and clamping plate two is 42CrMo steel.
The using method of a kind of fixture for welding material shearing test, comprises the steps:
1) according to setting-out hole one and the shape and size in setting-out hole two, processing sample one, and have gap slot in the edge of sample one, according to keyway one, keyway two and the shape and size of gap slot, processing sample two, and measure total cross-sectional area S of sample one and sample two, note down；
2) longer section of clamping plate one and clamping plate two is contacted with each other and setting-out hole one and setting-out hole two aligns, keyway one and keyway two align, sample one is put into the setting-out hole one aligned and setting-out hole two simultaneously, sample two is inserted in the cavity being made up of keyway one, keyway two and gap slot；
3) clamping plate one and clamping plate two are arranged on universal testing machine；
4) starting test, imposed load, persistently load according to optional test speed, until being cut off by sample coupon by shearing force, stopping test；
5) clamping plate one and clamping plate two are removed, take out sample one and sample two；The maximum Fmax of record universal testing machine load；
6) calculate shearing strength τ, with the maximum Fmax of universal testing machine load divided by cross-sectional area sum S acquisition shearing strength τ, i.e. τ=Fmax/S of sample one and sample two, fill in protocol, send sample examining report.
The invention has the beneficial effects as follows: (1) testing machine can applying test force steady to sample, its simple in construction, detection dependable performance.(2) solve the vertical center line of clamping plate, shearing section, load axis three misaligned and that bring sample is occurred by stretch bending, the irregular phenomenon in shearing section, improve the stability of test.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is sample one and the structural representation of sample two；
Fig. 4 is the 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.
Detailed description of the invention
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings: as Figure 1-3, a kind of fixture for welding material shearing test, this fixture includes two clamping plate that cross section is L-shaped and structure is identical 1 and clamping plate 22, setting-out hole 1 that is that be respectively equipped with circle on longer section of clamping plate 1 and clamping plate 22 and that can align and setting-out hole 24, the inwall in setting-out hole 1 and setting-out hole 24 is respectively equipped with the keyway 1 and keyway 26 that can align, described keyway 1 and keyway 26 through setting-out hole 1 and the two ends in 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 1 and setting-out hole 24 align, shorter section of clamping plate 1 and clamping plate 22 lays respectively at top and bottom and horizontally disposed.The material of clamping plate 1 and clamping plate 22 is 42CrMo steel.
The using method of a kind of fixture for welding material shearing test, comprises the steps:
1) according to setting-out hole 1 and the shape and size in setting-out hole 24, processing sample 1, and have gap slot 9 in the edge of sample 1, according to keyway 1, keyway 26 and the shape and size of gap slot 9, processing sample 28, and measure total cross-sectional area S of sample 1 and sample 28, note down；
2) longer section of clamping plate 1 and clamping plate 22 is contacted with each other and setting-out hole 1 and setting-out hole 24 aligns, keyway 1 and keyway 26 align, sample 1 is put into the setting-out hole 1 aligned and setting-out hole 24 simultaneously, sample 28 is inserted in the cavity being made up of keyway 1, keyway 26 and gap slot 9；
3) clamping plate 1 and clamping plate 22 are arranged on universal testing machine；
4) starting test, imposed load, persistently load according to optional test speed, until being cut off by sample coupon by shearing force, stopping test；
5) clamping plate 1 and clamping plate 22 are removed, take out sample 1 and sample 28；The maximum Fmax of record universal testing machine load；
6) calculate shearing strength τ, with the maximum Fmax of universal testing machine load divided by cross-sectional area sum S acquisition shearing strength τ, i.e. τ=Fmax/S of sample 1 and sample 28, fill in protocol, send sample examining report.
The invention has the beneficial effects as follows: (1) testing machine can applying test force steady to sample, its simple in construction, detection dependable performance.(2) solve the vertical center line of clamping plate, shearing section, load axis three misaligned and that bring sample is occurred by stretch bending, the irregular phenomenon in shearing section, improve the stability of test.
Claims (5)
1. the fixture for welding material shearing test, it is characterized in that: this fixture includes two clamping plate that cross section is L-shaped and structure is identical (1) and clamping plate two (2), setting-out hole one (3) that is that be respectively equipped with circle on longer section of clamping plate one (1) and clamping plate two (2) and that can align and setting-out hole two (4), the inwall in setting-out hole one (3) and setting-out hole two (4) is respectively equipped with the keyway one (5) and keyway two (6) that can align, described keyway one (5) and keyway two (6) through setting-out hole one (3) and the two ends in setting-out hole two (4) respectively.
A kind of fixture for welding material shearing test the most according to claim 1, is characterized in that: the cross sectional shape of described keyway one (5) and keyway two (6) is rectangle.
A kind of fixture for welding material shearing test the most according to claim 2, it is characterized in that: when keyway one (5) and keyway two (6) align and setting-out hole one (3) and setting-out hole two (4) align, shorter section of clamping plate one (1) and clamping plate two (2) lays respectively at top and bottom and horizontally disposed.
A kind of fixture for welding material shearing test the most according to claim 3, is characterized in that: the material of described clamping plate one (1) and clamping plate two (2) is 42CrMo steel.
A kind of using method of the fixture for welding material shearing test, it is characterised in that: comprise the steps:
1) according to setting-out hole one (3) and the shape and size in setting-out hole two (4), processing sample one (7), and have gap slot (9) in the edge of sample one (7), according to keyway one (5), keyway two (6) and the shape and size of gap slot (9), processing sample two (8), and measure total cross-sectional area S of sample one (7) and sample two (8), note 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) aligns, keyway one (5) and keyway two (6) align, sample one (7) is put into the setting-out hole one (3) aligned and setting-out hole two (4) simultaneously, sample two (8) is inserted in the cavity being made up of keyway one (5), keyway two (6) and gap slot (9)；
3) clamping plate one (1) and clamping plate two (2) are arranged on universal testing machine；
4) starting test, imposed load, persistently load according to optional test speed, until being cut off by sample coupon by shearing force, stopping test；
5) clamping plate one (1) and clamping plate two (2) are removed, take out sample one (7) and sample two (8)；The maximum Fmax of record universal testing machine load；
6) calculate shearing strength τ, with the maximum Fmax of universal testing machine load divided by cross-sectional area sum S acquisition shearing strength τ, i.e. τ=Fmax/S of sample one (7) and sample two (8), fill in protocol, send 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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| CN105910898A true CN105910898A (en) | 2016-08-31 |
| CN105910898B CN105910898B (en) | 2019-04-09 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN107664597A (en) * | 2017-09-27 | 2018-02-06 | 中国航空工业标准件制造有限责任公司 | Head is welded with the twisting test fixture of spring leaf 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 |
| CN109520862A (en) * | 2018-12-06 | 2019-03-26 | 哈尔滨工业大学 | A kind of tubing pure shear loading device and method |
| CN109632531A (en) * | 2019-01-15 | 2019-04-16 | 北京航空航天大学 | A kind of high intensity circulation shear test fixture |
| 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 |
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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 |
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2016
- 2016-06-30 CN CN201610502796.XA patent/CN105910898B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
Cited By (10)
| 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 |
| CN107664597A (en) * | 2017-09-27 | 2018-02-06 | 中国航空工业标准件制造有限责任公司 | Head is welded with the twisting test fixture of spring leaf bolt |
| 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 |
| CN109520862A (en) * | 2018-12-06 | 2019-03-26 | 哈尔滨工业大学 | A kind of tubing pure shear loading device and method |
| CN109520862B (en) * | 2018-12-06 | 2020-12-04 | 哈尔滨工业大学 | Pure shearing loading device and method for pipes |
| CN109632531A (en) * | 2019-01-15 | 2019-04-16 | 北京航空航天大学 | A kind of high intensity circulation shear test fixture |
| 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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| CN105910898B (en) | 2019-04-09 |
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