CN107505195A - Metallic gasket and strength of joint test fixture and method of the coiled material without piercing welding - Google Patents
Metallic gasket and strength of joint test fixture and method of the coiled material without piercing welding Download PDFInfo
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- CN107505195A CN107505195A CN201710923865.9A CN201710923865A CN107505195A CN 107505195 A CN107505195 A CN 107505195A CN 201710923865 A CN201710923865 A CN 201710923865A CN 107505195 A CN107505195 A CN 107505195A
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- 239000000463 material Substances 0.000 title claims abstract description 104
- 238000012360 testing method Methods 0.000 title claims abstract description 79
- 238000003466 welding Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title description 19
- 238000009434 installation Methods 0.000 claims abstract description 56
- 239000002184 metal Substances 0.000 claims abstract description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010998 test method Methods 0.000 claims description 6
- 238000010304 firing Methods 0.000 claims description 3
- 238000012956 testing procedure Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 9
- 238000002474 experimental method Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000145637 Lepturus Species 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
- 238000012795 verification Methods 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
- G01N3/02—Details
- G01N3/04—Chucks
-
- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/0012—Constant speed test
-
- 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
- G01N2203/0091—Peeling or tearing
-
- 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
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
-
- 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
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The metallic gasket that the invention provides and strength of joint test fixture of the coiled material without piercing welding, include installation unit, lower installation unit, drawbar unit, after the drawbar unit passes through the coiled material and metallic gasket being welded, coiled material is attached to the lower installation unit, institute's drawbar unit is connected with the upper installation unit again, so as to complete the installation of fixture and coiled material.The invention can quickly and accurately determine the peeling force of single metal pad and coiled material using the specific fixture, quantify the firm welding degree of metallic gasket and coiled material, and design parameter is provided as reference for construction；Simultaneously can also be according to the single metal pad peel force value of acquisition, it is established that it is taken off the wind resistance that experiment obtains by wind resistance with identical material and takes off relation between ability, calculate construction needed for minimum pad density, have higher actual reference.
Description
Technical field
The invention belongs to waterproof material installation and testing of materials field, more particularly, to metallic gasket and coiled material without wearing
The fixture and method for the strength of joint test that eyelet welding connects.
Background technology
Traditional waterproof coiled material construction mode is has perforation type to be mechanically fixed, and emerging one kind is with specific coatings in recent years
The mechanical anchoring methods realized in a manner of without perforation of metal gasket sheet.Because this method is to lead to waterproof material and metallic gasket
Welding manner is crossed to be combined as a whole, thus fixed effect by material having a great influence in itself, if failure welding will influence it is whole
The firmness of waterproof construction installation.
But do not have one to the strength of welded joint of specific web material and metallic gasket at present to be widely recognized as
Method of testing, and the evaluation method being mechanically fixed in existing national standard for waterproof roll, only wind resistance take off test.Should
After test is simulation actual roof waterpoof material installation, simulated in a manner of air blast is pressurizeed air flow in reality bring it is negative
Pressure, the numerical value measured is air pressure value, can not measure the joint bonding strength of single metal pad and coiled material.It is in addition, anti-
The limitation that wind takes off test is a lot, and domestic few mechanisms have the ability to test, and test process has very big demand to material and manually,
Testing cost is high, test period length.
Therefore, it is directed at this stage and utilizes metallic gasket and coiled material without the welding of piercing welding method, its strength of welded joint
Detection be all that metallic gasket is torn with manpower with pliers after worker's test weld, by observing bonding plane by micro-judgment welding effect
Fruit, but this method can only judge whether solder side is full, not energetic welding effect, currently also be surveyed without appropriate method
The strength of welded joint of single metal pad and coiled material is tried, but the strength of welded joint of single metal pad and coiled material directly affects
The firmness of waterproof roll installation.
Based on this situation, it is badly in need of a kind of side tested for metallic gasket with coiled material without piercing welding strength of joint of design
Method, the peeling force between single metal pad and coiled material can be directly measured, and the welding of metallic gasket and coiled material is calculated with this
Strength of joint quantifies welding effect, can also be calculated as needed according to the single pad peeling force measured needed for construction
Minimum pad density, improve practicality.
At the same time, the measure of peeling force needs to use electronic universal tester, puller system or electronic stripping tester (below
It is referred to as testing machine), the fixture that usual testing machine is often equipped with is both for the test method being related in existing national standard, relatively
It is fairly simple, because metallic gasket belongs to new technology with coiled material without piercing welding technology, it not can be used for the weldering on testing machine
The fixture of joint peel test force, therefore, also need to design a kind of metallic gasket with coiled material without the test of piercing welding strength of joint
Fixture, using the fixture the enterprising row metal pad peeling force of testing machine measure.
The content of the invention
The invention provides a kind of metallic gasket with coiled material without piercing welding strength of joint test fixture, solves without suitable
When fixture determines the problem of single metal pad and coiled material are without piercing welding strength of joint.
In order to solve the above technical problems, the technical scheme that the invention uses is：
Metallic gasket and strength of joint test fixture of the coiled material without piercing welding, include installation unit, and lower installation is single
Member, drawbar unit, after the drawbar unit passes through the coiled material and metallic gasket being welded, it is single that coiled material is attached to the lower installation
Member, the drawbar unit are attached with the upper installation unit again.
Further, the upper installation unit includes upper fixture mounting pin, band pin universal joint, connector of pull rod, safety buckle
Ring, the upper fixture mounting pin are fixedly connected with the entablature of testing machine, and the band pin universal joint is located at institute by top shank
State in upper fixture mounting pin, the connector of pull rod is connected to the band pin universal joint bottom, the safety cramp ring by nut
Located at the periphery of the connector of pull rod bottom, and can be slided up and down with respect to connector of pull rod.
Further, the lower installation unit includes lower clamp mounting pin, fixed disc, clamping rings, the lower clamp
Mounting pin is fixedly arranged on the sill of the testing machine, and the fixed disc is consolidated with the lower clamp mounting pin by helicitic texture
Fixed connection, the clamping rings are fixedly arranged on the fixed disc top by trip bolt, and the coiled material for being welded with metallic gasket is set
Between the clamping rings and fixed disc.
Further, the clamping rings and fixed disc axis coinciding, and external diameter is identical.
Further, the clamping rings is provided with some equally distributed through holes with the fixed disc at same position,
Some screw threads are additionally provided with through-hole wall on the fixed disc.
Further, the clamping rings is at least three with the number of through-holes on fixed disc.
Further, the drawbar unit includes pull bar, nut, and the pull bar is that one end band head of a nail other end is threaded
Long metallic rod, described threaded one end of pull bar through being connected with the nut after coiled material and metallic gasket, the nut again with institute
State installation unit to be attached, head of a nail one end of the pull bar is then in the space between metallic gasket and coiled material.
The invention also resides in provide a kind of realizes metallic gasket and coiled material without piercing welding using the test fixture
The method of strength of joint test, testing procedure include：
(1) corresponding waterproof roll is laid on metallic gasket, metallic gasket top will be placed on without piercing welding device
Coiled material at, press heat button, after certain time weld complete, remove welding machine, coiled material is integral with welded metal pad；
(2) cooler is placed on the coiled material on metallic gasket, with cooling rod cooling welding position；
(3) coiled material is installed on fixture, and cuts out and go redundance to make coiled material identical with the fixed disc size；
(4) firing test machine carries out peel test：Test speed selection typically strips off the 100mm/min that experiment uses；Survey
Examination stop technology selection force value declines more than 80% (can ensure that pad peels off).
The invention has the advantages and positive effects of：
(1) the invention can quickly and accurately determine the peeling force of single metal pad and coiled material, quantify metal gasket
The firm welding degree of piece and coiled material, design parameter is provided as reference for construction；
(2) the invention can make the ratio of the peeling force measured and the actual welding area of metallic gasket and coiled material
For the intensity level of welding point, welding effect is evaluated with this；
(3) in the invention, according to the single metal pad peel force value of acquisition, it is established that it leads to identical material
Cross wind resistance and take off the wind resistance that experiment obtains and take off relation between ability, calculate construction needed for minimum pad density, have higher reality
Border reference value；
(4) in the invention, pad peeling direction is vertical with web plane, clamping rings, fixed disc, pull bar with
The concentric design of metallic gasket just meets the requirement vertically peeled off, at the same annulus be designed as pad and stripping process carries
Enough spaces are supplied, this is that traditional laboratory holder can not be realized；
(5) retained part of the invention coiled material uses the fixed form of screw lock, not only can effectively clamp volume
Material, while also prevent the horizontal direction sliding of coiled material in stripping process；
(6) fixture that the invention is provided, simple in construction, with strong points, test process is easy to operate, test result
Accurately, it can be tested on general tensile force type testing machine, be easy to be widely popularized and apply in this area.
Brief description of the drawings
Fig. 1 is the floor map of test fixture in embodiment；
Fig. 2 is the schematic perspective view of test fixture in embodiment；
Fig. 3-4 is the schematic diagram of metallic gasket in embodiment；
Fig. 5-6 is that fixture is located at the schematic diagram on testing machine in embodiment.
In figure：1st, upper installation unit, 101, upper fixture mounting pin, 102, band pin universal joint, 103, connector of pull rod, 104,
Safety cramp ring, 2, drawbar unit, 201, pull bar, 202, nut, 3, lower installation unit, 301, clamping rings, 302, fixed disc,
303rd, trip bolt, 304, lower clamp mounting pin, 4, coiled material, 5, metallic gasket, 6, testing machine entablature, 7, horizontal under testing machine
Beam.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the invention can
To be mutually combined.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the invention and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the invention, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the invention
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
Describe the invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Embodiment 1 (fixture)
The present embodiment provides a kind of metallic gasket and strength of joint test fixture of the coiled material without piercing welding, can be by examination
Test machine and carry out the measure of single metal pad peeling force, then carry out correlation computations and obtain strength of welded joint, solve and do not fit
When fixture tests the problem of metallic gasket is with coiled material strength of welded joint.
The fixture includes installation unit 1, and lower installation unit 3, drawbar unit 2, the drawbar unit 2 is from bottom to top
Through after the coiled material and metallic gasket being welded, coiled material is attached to the lower installation unit 3, the drawbar unit 2 again with institute
State installation unit 1 to connect, so as to complete the installation of fixture and coiled material.During installation it is noted that：The upper installation unit, pull bar list
Main core in first and lower installation unit all mutually coincides, and ensures that tensile force can act perpendicularly to coiled material and metallic gasket.
The upper installation unit 1 includes upper fixture mounting pin 101, band pin universal joint 102, connector of pull rod 103, safety
Clasp 104, the upper fixture mounting pin 101 are fixedly connected with testing machine entablature 6, and the band pin universal joint 102 passes through top
For shank in the upper fixture mounting pin 101, the connector of pull rod 103 is connected to the band pin universal joint by nut
102 bottoms, and its underpart is provided with a groove, the safety cramp ring 104 is located at the periphery of the bottom of connector of pull rod 103, and
It can be slided up and down with respect to connector of pull rod 103.The band pin universal joint 102 can ensure in stripping process, the pull bar list
Member 2 keeps vertical state, so that metallic gasket uniform force.
The lower installation unit 3 includes lower clamp mounting pin 304, fixed disc 302, clamping rings 301, the lower folder
Tool mounting pin 304 is fixedly arranged on testing machine sill 7, and the fixed disc 302 passes through screw thread with the lower clamp mounting pin 304
Structure is fixedly connected, the clamping rings 301 be correspondingly arranged at the top of fixed disc 302 and with outside the fixed disc 302
Footpath is identical, the two axis coinciding, and coiled material to be determined, the fixation are accompanied between the clamping rings 301 and fixed disc 302
Annulus 301 is logical on the fixed disc 302 with being provided with some equally distributed through holes at the same position of fixed disc 302
Some screw threads are additionally provided with the inwall of hole, the trip bolt 303 can pass through described solid by the through hole on the clamping rings 301
Determine annulus 301 and coiled material (also corresponding on coiled material to be provided with the hole inserted for trip bolt 303), be screwed into the fixed disc 302
Screwed hole in, coiled material and the lower installation unit 3 are connected.When being attached, it is ensured that the metal gasket on coiled material
Piece all overlaps with the axle center of the fixed disc 302 and clamping rings 301, so as to ensure the uniform force of welding point.
When being peeled off, metallic gasket stress point should be at pad center, rather than some point of edge, therefore the through hole
And the position of screw hole is required to be uniformly distributed, and more than 1 points；Fixed for coiled material using the mode of screw thread nail
Preferably, it can both ensure that chucking power and can prevented that coiled material slides in stripping process.
The drawbar unit 2 includes pull bar 201, nut 202, and the pull bar 201 is one end band head of a nail other end band spiral shell
The long metallic rod of line, during installation, the pull bar 201 from bottom to top sequentially passes through coiled material and metallic gasket, the head of a nail card of its underpart
Between metallic gasket and coiled material, its top is connected by helicitic texture with the nut 202.
In fixture in use, the nut 202 is located in the groove of the connector of pull rod 103, and pass through the groove
Outer safety cramp ring 104 is locked with click on fashion, prevents that the nut 202 drops during experiment, fixture ablation experiment machine.Thus,
The connection of the upper installation unit 1 and the lower installation unit 3 is completed by the drawbar unit 2.
After the pull bar 201 passes through metallic gasket, coiled material and the lower installation unit 3 are fixed, coiled material is positioned at described
On fixed disc 302, then the lower installation unit 3 is fixed on testing machine sill 7, then the pull bar 201 can only be in gold
Belong to activity between pad and the fixed disc, the upper limit of pull bar 201 may move space and there was only several millimeters, but the pull bar
201 through the connection after the metallic gasket that is welded with the upper installation unit 1 be needs activity, it is dismountable.Therefore, originally
What is designed in embodiment is connected mode of the connection between the pull bar 201 and the upper installation unit 1 for screw thread and nut,
It is easy to operate through actual verification, the connected mode.When mounted, the displacement accuracy of testing machine sill 7 is limited, controls its movement
The time is also expended to appropriate location, the pull bar 201 and institute can be adjusted in the range of thin tail sheep by the thread connecting mode
The position relationship of installation unit 1 is stated, completes the installation of the two；And complete once test after, it is convenient to by pull bar 201 from
Disassemble on the upper installation unit 1, then tested next time.
If want to carry out metallic gasket with peel test of the waterproof roll without piercing welding joint, it is necessary in a particular manner will
The coiled material that metallic gasket is welded is fixed on fixture, present embodiments provides a kind of fixture suitable for the test process, institute
The specific installation steps for stating fixture and coiled material are as follows：
(1) borehole on the coiled material below the metallic gasket being welded, the diameter in hole are slightly larger than the head of a nail diameter,
Ensure that the pull bar 201 can be by the hole completely into the space between metallic gasket and coiled material；
(2) pull bar 201 from bottom to top passes through coiled material and the metallic gasket (metal by the hole cut on coiled material
It is provided among pad and is available for the through hole that the pull bar 201 passes through, its aperture is slightly larger than the diameter of the pull bar 201, facilitates pull bar
Through metallic gasket, but it is less than the size of the head of a nail, that is, ensures that the head of a nail cannot pass through the metallic gasket), the pull bar
The head of a nail on 201 is stayed in the space between coiled material and metallic gasket；
(3) it will be welded and dig out through hole on the coiled material of metallic gasket and be placed on the fixed disc 302, then cover described solid
Determine annulus 301, and the axle center of metallic gasket will overlap with the clamping rings 301 and fixed disc 302；Then in corresponding spiral shell
Pit or lead to the hole site trip bolt 303 fasten, and are finally fixedly arranged on the fixed disc 302 by helicitic texture described
In lower clamp mounting pin 304, the lower installation unit 3 completes installation；
(4) the upper fixture mounting pin 101 on the upper installation unit 1 is connected with the testing machine entablature 6, that is, completed
The connection of the upper installation unit 1 and testing machine；
(5) nut 202 and the pull bar 201 are attached by the screw thread on pull bar top；
(6) the lower clamp mounting pin 304 is installed on testing machine sill 7, completes the lower installation unit 3 and examination
The connection of machine is tested, and the testing machine sill 7 is moving beam, the testing machine sill 7 is adjusted to by Control experiment machine
Appropriate location so that the upper surface of nut 202 is alignd with the lower surface of connector of pull rod 103, and the nut 202 is directed at institute
Groove is stated, then by the pull-up of safety cramp ring 104, the displacement of fine setting testing machine sill 7, makes the nut 202 recessed with entering
Groove, now the safety cramp ring 104 is put down again, lock the nut 202, fixture completes installation.
In the present embodiment, tested machine sill 7 is moving beam, and testing machine entablature 6 is fixed cross beam, therefore is logical
The installation of the completion fixture of nigration machine sill 7 is crossed, but this fixture is not limited in this kind of testing machine, or top
For moving beam, bottom is the structure of fixed cross beam, in this way, can then pass through after the lower installation unit is fixed on sill
Mobile entablature makes the connector of pull rod 103 be attached with the drawbar unit 2, completes the installation of fixture, this also illustrates
The strong applicability of the fixture, suitable for different testing machines.
Embodiment 2 (method of testing)
A kind of according to the offer of embodiment 1 is used for metallic gasket and strength of joint test fixture of the coiled material without piercing welding,
The present embodiment carries out corresponding disbonded test using the fixture, obtains the peeling force of metallic gasket, then carry out the meter of strength of joint
Calculate, Fig. 5-6 is the schematic diagram of disbonded test.
Specific test procedure is as follows：
(1) corresponding waterproof roll is laid on metallic gasket, metallic gasket top will be placed on without piercing welding device
Coiled material at, press heat button, after certain time weld complete, remove welding machine, coiled material is integral with welded metal pad；
(2) cooler is placed on the coiled material on metallic gasket, with cooling rod cooling welding position；
(3) coiled material is installed on fixture by the step in embodiment 1, and cuts out and go redundance to make coiled material and the fixation
The size of disk 302 is identical；
(4) firing test machine carries out peel test：Test speed selection typically strips off the 100mm/min that experiment uses；Survey
Examination stop technology selection force value declines more than 80% (can ensure that pad peels off).
Embodiment 3 (calculating of weld intensity and minimum pad density)
Using the fixture in embodiment 1, by the method for testing in embodiment 2, can obtain metallic gasket and coiled material without
The joint peel test results of piercing welding, i.e., the peeling force of single pad.Peel test in national standard generally by maximum, force and
Two kinds of parameters of mean force are applicable using maximum peeling force as test result, this method of testing and are used as test result.
Strength of joint without piercing welding, can be according to maximum peeling force and the ratio of metallic gasket and coiled material bonding area
Directly obtain, metallic gasket and welding effect of the coiled material without piercing welding are quantified with this.
If the wind resistance ability of taking off of coiled material is required, it is necessary to calculate pad density, the peeling force of single pad can
To be used directly as actual parameter, it is close to calculate minimum pad needed for construction according to the obtained single pad peeling force of test
Degree, calculating process are as follows：
(1) single pad peeling force A (N) is measured according to the experiment of embodiment 2；
(2) according to wind resistance take off experiment measure needed for wind resistance take off ability B (pa)
(3) wind resistance for calculating single pad takes off area：S=A/B (㎡)；
(4) by (3) at least to there is in S square metres a pad to fix coiled material, then corresponding laying work area area and S
Ratio is required minimum pad density.
Thus, it is possible to which set up peeling force size takes off the relation of ability with wind resistance, obtained according to minimum pad density value
The coiled material laying of respective area is needed to carry out the minimum number of the metallic gasket without piercing welding, and the waterproof roll of this area is pacified
Equipped with higher practical reference value.
The embodiment of the invention is described in detail above, but the content is only the preferable of the invention
Embodiment, it is impossible to be considered as the practical range for limiting the invention.It is all made according to the invention application range it is equal
Deng change and improvement etc., all should still belong within the patent covering scope of the invention.
Claims (8)
1. metallic gasket and strength of joint test fixture of the coiled material without piercing welding, it is characterised in that include installation unit,
Lower installation unit, drawbar unit, after the drawbar unit passes through the coiled material and metallic gasket being welded, coiled material is attached to described
Lower installation unit, the drawbar unit are attached with the upper installation unit again.
2. metallic gasket as claimed in claim 1 and strength of joint test fixture of the coiled material without piercing welding, it is characterised in that
The upper installation unit includes upper fixture mounting pin, band pin universal joint, connector of pull rod, safety cramp ring, the upper fixture peace
Dress pin is fixedly connected with the entablature of testing machine, and the band pin universal joint is located at the upper fixture mounting pin by top shank
On, the connector of pull rod is connected to the band pin universal joint bottom by nut, and the safety cramp ring connects located at the pull bar
The periphery of junctor bottom, and can be slided up and down with respect to connector of pull rod.
3. metallic gasket as claimed in claim 1 and strength of joint test fixture of the coiled material without piercing welding, it is characterised in that
The lower installation unit includes lower clamp mounting pin, fixed disc, clamping rings, and the lower clamp mounting pin is fixedly arranged on described
On the sill of testing machine, the fixed disc is fixedly connected with the lower clamp mounting pin by helicitic texture, the fixation
Annulus is fixedly arranged on the fixed disc top by trip bolt, be welded with the coiled material of metallic gasket located at the clamping rings with
Between fixed disc.
4. metallic gasket as claimed in claim 3 and strength of joint test fixture of the coiled material without piercing welding, it is characterised in that
The clamping rings and fixed disc axis coinciding, and external diameter is identical.
5. metallic gasket as claimed in claim 3 and strength of joint test fixture of the coiled material without piercing welding, it is characterised in that
The clamping rings is provided with some equally distributed through holes with the fixed disc at same position, on the fixed disc
Through-hole wall on be additionally provided with some screw threads.
6. metallic gasket as claimed in claim 5 and strength of joint test fixture of the coiled material without piercing welding, it is characterised in that
The clamping rings is at least three with the number of through-holes on fixed disc.
7. metallic gasket as claimed in claim 1 and strength of joint test fixture of the coiled material without piercing welding, it is characterised in that
The drawbar unit includes pull bar, nut, and the pull bar is one end with the threaded long metallic rod of the head of a nail other end, the drawing
The threaded one end of bar is connected after passing through coiled material and metallic gasket with the nut, and the nut is carried out with the upper installation unit again
Connection, head of a nail one end of the pull bar is then in the space between metallic gasket and coiled material.
8. metallic gasket and strength of joint method of testing of the coiled material without piercing welding, it is characterised in that using claim 1 to 7
Any one of the strength of joint test fixture of metallic gasket and coiled material without piercing welding realize that testing procedure includes：
(1) corresponding waterproof roll is laid on metallic gasket, the volume on metallic gasket top will be placed on without piercing welding device
At material, heat button is pressed, welds and completes after certain time, remove welding machine, coiled material is integral with welded metal pad；
(2) cooler is placed on the coiled material on metallic gasket, with cooling rod cooling welding position；
(3) coiled material is installed on fixture, and cuts out and go redundance to make coiled material identical with the fixed disc size；
(4) firing test machine carries out peel test：Test speed selects 100mm/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710923865.9A CN107505195A (en) | 2017-09-30 | 2017-09-30 | Metallic gasket and strength of joint test fixture and method of the coiled material without piercing welding |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111239043A (en) * | 2020-02-29 | 2020-06-05 | 天津大学 | Drawing clamp for solder bonding strength test |
| CN112304760A (en) * | 2020-10-30 | 2021-02-02 | 广西玉柴机器股份有限公司 | Method for evaluating tensile strength of non-metal gasket |
| CN113533032A (en) * | 2021-07-16 | 2021-10-22 | 中国建筑第五工程局有限公司 | Welding strength testing equipment and using method |
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| CN207408216U (en) * | 2017-09-30 | 2018-05-25 | 天津滨海澳泰防水材料有限公司 | Metal gasket and strength of joint test fixture of the coiled material without piercing welding |
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| CN111239043A (en) * | 2020-02-29 | 2020-06-05 | 天津大学 | Drawing clamp for solder bonding strength test |
| CN112304760A (en) * | 2020-10-30 | 2021-02-02 | 广西玉柴机器股份有限公司 | Method for evaluating tensile strength of non-metal gasket |
| CN112304760B (en) * | 2020-10-30 | 2022-12-16 | 广西玉柴机器股份有限公司 | Method for evaluating tensile strength of non-metallic gasket |
| CN113533032A (en) * | 2021-07-16 | 2021-10-22 | 中国建筑第五工程局有限公司 | Welding strength testing equipment and using method |
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