CN104990810A - Connector shear strength testing device - Google Patents

Connector shear strength testing device Download PDF

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Publication number
CN104990810A
CN104990810A CN201510397966.8A CN201510397966A CN104990810A CN 104990810 A CN104990810 A CN 104990810A CN 201510397966 A CN201510397966 A CN 201510397966A CN 104990810 A CN104990810 A CN 104990810A
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CN
China
Prior art keywords
pull bar
guide rail
pull rod
backing plate
shear strength
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.)
Pending
Application number
CN201510397966.8A
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Chinese (zh)
Inventor
吴江瑞
吴金杰
李兴霞
冯振
冯振国
翟德梅
程芳
公永建
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Henan Mechanical and Electrical Engineering College
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Henan Mechanical and Electrical Engineering College
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Mechanical and Electrical Engineering College filed Critical Henan Mechanical and Electrical Engineering College
Priority to CN201510397966.8A priority Critical patent/CN104990810A/en
Publication of CN104990810A publication Critical patent/CN104990810A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a connector shear strength testing device. The connector shear strength testing device comprises a guide rail 1-1, a guide rail 1-2, a pull rod 2-1, a pull rod 2-2, a base plate 3-1 and a base plate 3-2. The pull rod 2-1 and the pull rod 2-2 are symmetrically distributed in a square cavity formed by the guide rails. A tested overlapped joint sample 4 is placed in a cavity formed by the pull rod 2-1 and the pull rod 2-2. Due to the fact that the pull rods can only move in the cavity formed by the guide rails, connecting materials cannot be separated from the pull rod 2-1 and the pull rod 2-2 due to tensile force in the testing process, the device is simple and easy to implement, and working efficiency can be improved obviously. The device is completely composed of panel structural components, and thus processing and manufacturing are easy. Moreover, the shear strength can be detected in a stretched mode.

Description

A kind of jointing testing device for shear strength
Technology neck city
The invention belongs to Material mechanics test field, particularly relate to for the test of jointing shear resistance, the device that also can destroy as jointing.
Background technology
The method of attachment of material is a lot, but researcher can not be made for the shear resistance test of thin plate jointing satisfied because being subject to the impact of device always.
Document " C.Isola et al, Joining of Surface Modified Carbon-Carbon Composites using a Barium-Aluminum-Boro-Silicate glass, J.Euro.Ceram.Soc., 1998, 18, 1017 ~ 1024 " describe a kind of test fixture for shear intensity of joint and see accompanying drawing 3, this test fixture divides upper and lower two parts, upper fastener 1-1 and lower fastener 1-2, when carrying out shearing strength of joint test, material 3 glue after bonding is bonded at facade in fastener 1-1 and lower fastener 1-2 respectively, with upper fastener 1-1 close contact above material 3 a slice after bonding, with lower fastener 1-2 close contact below bonding another sheet of rear material 3, the shearing strength of joint that pressurizeed is tested.Test and comparison is time-consuming, and material is easy to lower fastener comes off.
" test fixture for shear intensity of joint " of Northwestern Polytechnical University's invention is shown in accompanying drawing 4, and cutting ferrule 2 is cylinders, and 1-1 upper fastener and 1-2 lower fastener are cylinders, and in applying press process, cutting ferrule 2 is easily stuck with upper lower fastener, and not easily processing and manufacturing.
Summary of the invention
The object of the invention is, design a kind of novel for jointing testing device for shear strength, by the loading system of existing omnipotent mechanics machine, to control and data output system completes shear resistance testing experiment.
It is composed as follows for jointing testing device for shear strength used for the present invention:
A kind of jointing testing device for shear strength, comprises guide rail 1-1, guide rail 1-2, pull bar 2-1, pull bar 2-2, backing plate 3-1, backing plate 3-2, and guide rail 1-1 and guide rail 1-2 are square slot type guide rail structure and identical, and guide rail is bolted.
Described pull bar 2-1 is square card slot type structure with pull bar 2-2 and identical, the thickness of the material 4 after draw-in groove depth ratio connects is larger, the width of pull bar 2-1 and pull bar 2-2 is equal with the width of the groove of guide rail 1-1 and guide rail 1-2, the deep equality of the thickness of pull bar 2-1 and pull bar 2-2 and the groove of guide rail 1-1 and guide rail 1-2.
Described backing plate 3-1 is equal with the thickness of pull bar 2-1 and pull bar 2-2 with the thickness of backing plate 3-2, and the width of backing plate 3-1 and backing plate 3-2 is equal with the width of pull bar 2-1 and pull bar 2-2.
Pull bar 2-1, pull bar 2-2 symmetrical placement in the rectangular cavity that guide rail 1-1 and guide rail 1-2 forms, the material 4 after connection is placed on inside a chamber of pull bar 2-1 and pull bar 2-2 composition.
The invention has the beneficial effects as follows, by the loading system of existing omnipotent mechanics machine, control and data output system complete shear resistance testing experiment.Not only can be used as jointing testing device for shear strength, the device that also can destroy as jointing.Simple, be convenient to processing and manufacturing.
Accompanying drawing explanation
Fig. 1 is that the present invention assembles rear test mode schematic diagram
Fig. 2 is part drawing of the present invention
Fig. 3 is prior art 1 test mode figure
Fig. 4 is prior art 2 test mode figure
Fig. 5 is that the present invention tests front and back sample
Embodiment
Be further described originally practical below in conjunction with drawings and Examples.
As Fig. 1 and Fig. 2, the present invention includes guide rail 1-1, guide rail 1-2, pull bar 2-1, pull bar 2-2, backing plate 3-1, backing plate 3-2, guide rail 1-1 and guide rail 1-2 are square slot type guide rail structure and identical, and guide rail is bolted.Pull bar 2-1 is square card slot type structure with pull bar 2-2 and identical, the thickness of the material 4 after draw-in groove depth ratio connects is larger, the width of pull bar 2-1 and pull bar 2-2 is equal with the width of the groove of guide rail 1-1 and guide rail 1-2, the deep equality of the thickness of pull bar 2-1 and pull bar 2-2 and the groove of guide rail 1-1 and guide rail 1-2.The thickness of backing plate 3-1 and backing plate 3-2 is equal with the thickness of pull bar 2-1 and pull bar 2-2, and the width of backing plate 3-1 and backing plate 3-2 is equal with the width of pull bar 2-1 and pull bar 2-2.Pull bar 2-1, pull bar 2-2 symmetrical placement in the rectangular cavity that guide rail 1-1 and guide rail 1-2 forms, the material 4 surveyed after connecting is placed on inside a chamber of pull bar 2-1 and pull bar 2-2 composition.The slot length of pull bar 2-1 and pull bar 2-2 and the degree of depth are determined by the size of jointing, but the length of pull rod slot is slightly larger than material.
By the loading system of existing omnipotent mechanics machine, control and data output system complete shear resistance testing experiment.
Concrete test cases
The lap joint of the aluminium sheet that 3mm is thick and the thick hot-dip galvanizing sheet steel of 3mm.
The degree of depth of pull bar 2-1, pull bar 2-2 groove is 3mm, and width is 20mm, cuts the welding joint of suitable dimension, grinds off unnecessary weld metal, makes joint and pull bar 2-1, the chamber proper fit that pull bar 2-2 forms.
Assemble by Fig. 1, be clamped on omnipotent mechanics machine, loading speed 2mm/min, under loading system, output system and device, complete experiment, the sample before and after shearing as shown in Figure 5.
The area of the maximum load obtained by output system and joint faying face, just can obtain the shear resistance of joint.

Claims (4)

1. a jointing testing device for shear strength, comprises guide rail 1-1, guide rail 1-2, pull bar 2-1, pull bar 2-2, backing plate 3-1, and backing plate 3-2, is characterized in that: guide rail 1-1 and guide rail 1-2 are square slot type guide rail structure and identical, and guide rail is bolted.
2. shearing strength of joint proving installation according to claim 1, it is characterized in that: pull bar 2-1 is square card slot type structure with pull bar 2-2 and identical, the thickness of the material 4 after draw-in groove depth ratio connects is larger, the width of pull bar 2-1 and pull bar 2-2 is equal with the width of the groove of guide rail 1-1 and guide rail 1-2, the deep equality of the thickness of pull bar 2-1 and pull bar 2-2 and the groove of guide rail 1-1 and guide rail 1-2.
3. shearing strength of joint proving installation according to claim 1 and 2, it is characterized in that: the thickness of backing plate 3-1 and backing plate 3-2 is equal with the thickness of pull bar 2-1 and pull bar 2-2, the width of backing plate 3-1 and backing plate 3-2 is equal with the width of pull bar 2-1 and pull bar 2-2.
4. the shearing strength of joint proving installation according to claim 1 or 3, it is characterized in that: pull bar 2-1, pull bar 2-2 symmetrical placement in the rectangular cavity that guide rail 1-1 and guide rail 1-2 forms, surveys lap joint sample 4 and is placed on inside a chamber of pull bar 2-1 and pull bar 2-2 composition.
CN201510397966.8A 2015-07-03 2015-07-03 Connector shear strength testing device Pending CN104990810A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510397966.8A CN104990810A (en) 2015-07-03 2015-07-03 Connector shear strength testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510397966.8A CN104990810A (en) 2015-07-03 2015-07-03 Connector shear strength testing device

Publications (1)

Publication Number Publication Date
CN104990810A true CN104990810A (en) 2015-10-21

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107796711A (en) * 2017-09-20 2018-03-13 天津大学 A kind of method for testing complete sample and structural plane dynamic shear strength
CN107907403A (en) * 2017-12-01 2018-04-13 中国航发沈阳黎明航空发动机有限责任公司 For measuring the fixing device and its measuring method of electric resistance welding joint bending stiffness
CN109975133A (en) * 2019-04-15 2019-07-05 华侨大学 A kind of vacuum brazing shear strength detection method and device
CN114235603A (en) * 2021-12-06 2022-03-25 哈尔滨焊接研究院有限公司 Device and method for testing shear strength of titanium alloy laser filler wire welding lap joint

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2041814U (en) * 1988-09-01 1989-07-26 北京有色金属研究总院 Fixture for measuring metal
RU2020453C1 (en) * 1991-07-06 1994-09-30 Всероссийский научно-исследовательский институт экспериментальной физики Device for testing of material specimens
FR2733048B1 (en) * 1995-04-12 1997-05-16 Snecma DEVICE FOR MEASURING DEFORMATIONS OF A TEST SUBJECT TO A SHEAR TEST
CN2779379Y (en) * 2004-12-24 2006-05-10 西北工业大学 Test fixture for shear intensity of joint
CN102095647A (en) * 2010-11-15 2011-06-15 西安交通大学 Device for testing mechanical properties of thin sheet under simple shear loading
CN202886192U (en) * 2012-10-13 2013-04-17 安徽省建筑工程质量监督检测站 Sealing rubber strip shear strength test clamp
CN203658156U (en) * 2013-12-23 2014-06-18 美巢集团股份公司 Fixture for determining shearing intensity of tackiness agent
CN203858156U (en) * 2014-05-26 2014-10-01 和平安 Clamp device for measuring shear strength of lapped joint
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
CN203929532U (en) * 2014-07-08 2014-11-05 河南理工大学 A kind of jointing testing device for shear strength

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2041814U (en) * 1988-09-01 1989-07-26 北京有色金属研究总院 Fixture for measuring metal
RU2020453C1 (en) * 1991-07-06 1994-09-30 Всероссийский научно-исследовательский институт экспериментальной физики Device for testing of material specimens
FR2733048B1 (en) * 1995-04-12 1997-05-16 Snecma DEVICE FOR MEASURING DEFORMATIONS OF A TEST SUBJECT TO A SHEAR TEST
CN2779379Y (en) * 2004-12-24 2006-05-10 西北工业大学 Test fixture for shear intensity of joint
CN102095647A (en) * 2010-11-15 2011-06-15 西安交通大学 Device for testing mechanical properties of thin sheet under simple shear loading
CN202886192U (en) * 2012-10-13 2013-04-17 安徽省建筑工程质量监督检测站 Sealing rubber strip shear strength test clamp
CN203658156U (en) * 2013-12-23 2014-06-18 美巢集团股份公司 Fixture for determining shearing intensity of tackiness agent
CN203858156U (en) * 2014-05-26 2014-10-01 和平安 Clamp device for measuring shear strength of lapped joint
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
CN203929532U (en) * 2014-07-08 2014-11-05 河南理工大学 A kind of jointing testing device for shear strength

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107796711A (en) * 2017-09-20 2018-03-13 天津大学 A kind of method for testing complete sample and structural plane dynamic shear strength
CN107796711B (en) * 2017-09-20 2019-11-19 天津大学 A method of for testing complete sample and structural plane dynamic shear strength
CN107907403A (en) * 2017-12-01 2018-04-13 中国航发沈阳黎明航空发动机有限责任公司 For measuring the fixing device and its measuring method of electric resistance welding joint bending stiffness
CN109975133A (en) * 2019-04-15 2019-07-05 华侨大学 A kind of vacuum brazing shear strength detection method and device
CN109975133B (en) * 2019-04-15 2024-01-09 华侨大学 Vacuum brazing shear strength detection method and device
CN114235603A (en) * 2021-12-06 2022-03-25 哈尔滨焊接研究院有限公司 Device and method for testing shear strength of titanium alloy laser filler wire welding lap joint

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