CN107860650A - A kind of flaky material wound form high temperature tension test fixture - Google Patents

A kind of flaky material wound form high temperature tension test fixture Download PDF

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Publication number
CN107860650A
CN107860650A CN201711072161.1A CN201711072161A CN107860650A CN 107860650 A CN107860650 A CN 107860650A CN 201711072161 A CN201711072161 A CN 201711072161A CN 107860650 A CN107860650 A CN 107860650A
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CN
China
Prior art keywords
lower clamp
upper fixture
fixture
test specimen
high temperature
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CN201711072161.1A
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CN107860650B (en
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曹正罡
于洋
孙瑛
张健
乔培鑫
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Harbin Institute of Technology
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Harbin Institute of Technology
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • G01N3/04Chucks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/18Performing tests at high or low temperatures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0016Tensile or compressive
    • G01N2203/0017Tensile
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/022Environment of the test
    • G01N2203/0222Temperature
    • G01N2203/0226High temperature; Heating means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/04Chucks, fixtures, jaws, holders or anvils
    • G01N2203/0423Chucks, fixtures, jaws, holders or anvils using screws

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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)

Abstract

A kind of flaky material wound form high temperature tension test fixture, it is related to a kind of tensile test fixture.The present invention is in order to solve the problems, such as that the experiment presence of existing building structural materials mechanical behavior under high temperature can not measure in drawing process actual length change and normal temperature tensile test fixture can not normal use.The present invention includes upper fixture body, lower clamp body and test specimen, and the upper end of upper fixture body and the lower end of lower clamp body are connected with cupping machine, connected between the lower end of upper fixture body and the upper end of lower clamp body by test specimen.The present invention have devised a kind of Sizes when being directed to the high temperature tension test of this kind of flaky material of building film material, simple, reliable, can efficiently accomplish the fixture of high temperature tension test.Mainly solve effective clamping and grip size matching problem of the flaky material in bare terminal end.The present invention is used for flaky material tension test.

Description

A kind of flaky material wound form high temperature tension test fixture
Technical field
The present invention relates to a kind of tensile test fixture, and in particular to a kind of flaky material wound form high temperature tension test folder Tool, belongs to flaky material mechanical test technical field.
Background technology
The experimental study of building structural materials mechanical behavior under high temperature has extremely important with assessment in Building Fire Protection field Meaning.The research method comparative maturity of the traditional building material high temperature such as steel, concrete material experiment at present, correlative study achievement Also it has been applied to Building Fire Protection to study.Membrane material is as the 5th emerging class construction material, although so that its quality is slim and graceful, light transmittance Height, the characteristics such as antifouling and self-cleaning performance is good are widely used in longspan structure, but the research of the mechanical behavior under high temperature for membrane material Almost do not have.
Before a kind of construction material comes into operation, it is necessary to the performance test of a large amount of correlations is carried out to it, and to membrane material high temperature Research is few at present for material property.On the one hand it is due to that membrane material film thickness direction size is smaller (typically in 1 millimeter), makes With traditional mechanical grip method in stretching, first, in bare terminal end with fixture Relative sliding may occur for test specimen, drawing can not be measured Actual length changes during stretching;Second, test specimen is ruptured around in bare terminal end when may stretch, tension test can not be efficiently accomplished. On the other hand it is due to that hot test needs environmental cabinet or high temperature furnace to provide stable hot environment, the fixture of normal temperature tension test Size is larger and the inner space of environmental cabinet or high temperature furnace is smaller, therefore normal temperature tensile test fixture can not normal use.
In summary, the experiment presence of existing building structural materials mechanical behavior under high temperature can not measure true in drawing process Real length change and normal temperature tensile test fixture can not normal use the problem of.
The content of the invention
The invention aims to solve the experiment presence of existing building structural materials mechanical behavior under high temperature not surveying Go out in drawing process actual length change and normal temperature tensile test fixture can not normal use the problem of.And then provide a kind of sheet Material wound form high temperature tension test fixture.
The technical scheme is that:A kind of flaky material wound form high temperature tension test fixture, it include upper fixture body, Lower clamp body and test specimen, the upper end of upper fixture body and the lower end of lower clamp body are connected with cupping machine, under upper fixture body Connected between end and the upper end of lower clamp body by test specimen;Upper fixture body includes upper fixture A connecting rods, upper fixture length adjustment Valve, upper fixture B connecting rods, upper fixture bare terminal end and upper fixture winding end, between upper fixture A connecting rods and upper fixture B connecting rods Connected by upper fixture length adjustment valve, upper fixture bare terminal end and the lower end of upper fixture B connecting rods are connected by upper fixture pin hole Connect, upper fixture winding end is arranged in upper fixture bare terminal end, and the one ends wound of test specimen is on upper fixture winding end;Lower clamp body bag Lower clamp A connecting rods, lower clamp length adjustment valve, lower clamp B connecting rods, lower clamp bare terminal end and lower clamp winding end are included, under Connected between fixture A connecting rods and lower clamp B connecting rods by lower clamp length adjustment valve, lower clamp bare terminal end and lower clamp B Connecting rod is connected by lower clamp pin hole, and lower clamp winding end is arranged on lower clamp bare terminal end, and the one ends wound of test specimen exists On lower clamp winding end.
Further, upper fixture length adjustment valve is identical with lower clamp length adjustment valve arrangement, upper fixture length adjustment valve Including cylinder and two handles, two handles are fixedly mounted on the lateral wall of cylinder, are offered in cylinder oppositely oriented interior Screw thread.
Further, upper fixture bare terminal end includes two upper holders, and two upper holders are oppositely arranged, each above to clamp Part includes upper grip block and upper supporting rod, and upper supporting rod is arranged on the upper end of upper grip block and is formed integrally with upper grip block, Through hole in three sectors is offered in the middle part of upper grip block;Lower clamp bare terminal end includes two lower holders, two lower holders It is oppositely arranged, each lower holder includes lower grip block and lower supporting rod, and lower supporting rod is arranged on the upper end of lower grip block simultaneously It is formed integrally with lower grip block, three fan-shaped lower through-holes is offered in the middle part of lower grip block.
Further, in three sectors the mode of through hole and three fan-shaped equal circular arrays of lower through-hole arrangement.
Further, each holder also includes pin, and upper supporting rod is with upper fixture B connecting rods or lower supporting rod with Connected between fixture B connecting rods by pin.
Further, upper fixture winding end is identical with lower clamp winding end structure, and upper fixture winding end includes three and above fanned Shape block, described three upper secter pats are respectively the first secter pat, the second secter pat and the 3rd secter pat, and each secter pat is inserted into In one sector in through hole;Lower clamp winding end includes three lower secter pats, and three lower secter pats are respectively the four fan-shaped Block, the 5th secter pat and the 6th secter pat, each secter pat are inserted into a fan-shaped lower through-hole.
Further, three secter pats are inserted on the left of upper fixture bare terminal end first, test specimen is then bent into C-shaped, and The upper groove of C-shaped test specimen is embedded in the first secter pat, the both sides of C-shaped test specimen upper groove are passed through to the seam of the first secter pat face Gap, and these three secter pats are inserted on the right side of upper fixture bare terminal end, complete the preliminary assembling of upper fixture specimen holder;Adjustment first The length of secter pat both sides C-shaped test specimen causes short side to be bonded and just wraps the outer rim of the second secter pat, then by upper fixture Winding end dextrorotation is circled to be connected with upper fixture B connecting rods by upper fixture pin hole, completes upper fixture part test specimen peace Fill work;Three secter pats are inserted on the left of lower clamp bare terminal end, the low groove of C-shaped test specimen is then embedded in the four fan-shaped piece, By the both sides of C-shaped test specimen low groove through the gap of the four fan-shaped piece of face, and these three secter pats insertion lower clamp is clamped End right side, completes the preliminary assembling of lower clamp specimen holder;The length of the four fan-shaped piece of both sides C-shaped test specimen is adjusted so that short side pastes Merge the outer rim for just wrapping the 5th secter pat, lower clamp winding end rotate counterclockwise is led to for one week with lower clamp B connecting rods The connection of lower clamp pin hole is crossed, completes lower clamp part test specimen installment work.
Further, test specimen winds winding contact position on end or lower clamp winding end in upper fixture and scribbles resistant to elevated temperatures lubrication Oil.
The present invention has the following effects that compared with prior art:
1st, the present invention can change winding according to the different thickness of flaky material (referring to test specimen) under identical canoe The size of secter pat and bare terminal end fan-shaped pylone is held, in the case of small size change the sleeve clamp can be made to be adapted to different-thickness piece The high temperature tension test of shape material.
2nd, the present invention is due to surface of test piece degree of roughness difference, to prevent the part that contacted with each other in stretching after sample winding Between maximum static friction force stretch test result is had an impact, therefore resistant to elevated temperatures lubrication is smeared at the test specimen place of contacting with each other after winding Oil causes smooth contact between sample, is capable of the stretching of continuously smooth, experimental error is eliminated with this.
3rd, the present invention solves tension test test specimen and truly grown in the skidding of fixture bare terminal end can not measure drawing process The problem of degree change.Because flaky material thickness is small, surface is typically more smooth, easily occurs when using tradition machinery method of clamping Relative sliding occurs in bare terminal end.The present invention is clamped using wound form, and in stretching, pulling force is bigger, the test specimen internal layer of winding then by To bigger pressure, and then the frictional force for preventing that sample from skidding in bare terminal end enough is obtained, solve tradition stretching examination well Test the shortcomings that fixture is when handling flaky material.
4th, the present invention solves fixture and high temperature furnace size matching problem.Though when carrying out normal temperature flaky material tension test So there is the fixture using wound form clamp method fastening membrane material, but the size of fixture in itself is larger, needs the length of sample longer, And step is various in fixed specimen.And the present invention is according to the size of high temperature furnace, brand-new design wound form clamping side The core component of method so that the fixture can effectively fasten test specimen in the limited high temperature furnace of narrow space, effective complete Into tension test, the purpose for matching hot test fixture with high temperature furnace is reached.
5th, the present invention solves the problems, such as the drawing by high temperature of different initial length samples.The length set between the connecting rod of fixture two For degree regulating valve to meet that the sample of different initial lengths carries out the requirement of high temperature tension test, the length adjustment valve is placed in high temperature furnace Outside, it is not only restricted to narrow space limitation inside high temperature furnace so that the use of fixture is more flexible.
6th, a kind of Sizes are have devised when the present invention is directed to the high temperature tension test of this kind of flaky material of building film material, Simply, reliably, the fixture of high temperature tension test can be efficiently accomplished.It is main solve flaky material in effective clamping of bare terminal end and Grip size matching problem.The high temperature tension test research of existing a variety of building film materials is applicable not only to, for remaining sheet material The high temperature tension test of material and normal temperature tension test all can be carried out effectively.
Brief description of the drawings
Fig. 1 is the structural representation of upper fixture of the present invention;Fig. 2 is the structural representation of lower clamp of the present invention;Fig. 3 is upper folder Has the front view of A connecting rods;Fig. 4 is Fig. 3 top view;Fig. 5 is the front view of upper fixture length adjustment valve;Fig. 6 is bowing for Fig. 5 View;Fig. 7 is the front view of upper fixture B connecting rods;Fig. 8 is that Fig. 7 is top view;Fig. 9 is the schematic diagram of upper fixture bare terminal end;Figure 10 be the front view at upper fixture winding end;Figure 11 is the canoe schematic diagram at upper fixture winding end;Figure 12 is the whole of the present invention Body structural representation;Figure 13 is the canoe schematic diagram at the lower clamp winding end of the present invention;Figure 14 is lower clamp bare terminal end Schematic diagram;Figure 15 is winding process schematic diagram of the present invention;Figure 16 is the structural representation after present invention winding.
Embodiment
Embodiment one:Illustrate present embodiment with reference to Fig. 1 to Figure 16, a kind of flaky material of present embodiment twines Wound high temperature tension test fixture, it includes upper fixture body, lower clamp body and test specimen 7, the upper end of upper fixture body and lower clamp body Lower end be connected with cupping machine, connected between the lower end of upper fixture body and the upper end of lower clamp body by test specimen 7;
Upper fixture body includes upper fixture A connecting rods 1, upper fixture length adjustment valve 2, upper fixture B connecting rods 3, upper fixture folder End 5 and upper fixture winding end 6 are held, passes through upper fixture length adjustment valve 2 between upper fixture A connecting rods 1 and upper fixture B connecting rods 3 Connection, upper fixture bare terminal end 5 are connected with upper fixture B connecting rods 3 by upper fixture pin hole 4, and upper fixture winding end 6 is arranged on In upper fixture bare terminal end 5, the one ends wound of test specimen 7 is on upper fixture winding end 6;
Lower clamp body includes lower clamp A connecting rods 8, lower clamp length adjustment valve 9, lower clamp B connecting rods 10, lower clamp folder End 12 and lower clamp winding end 13 are held, passes through lower clamp length adjustment between lower clamp A connecting rods 8 and lower clamp B connecting rods 10 Valve 9 is connected, and lower clamp bare terminal end 12 is connected with lower clamp B connecting rods 10 by lower clamp pin hole 11, lower clamp winding end 13 On lower clamp bare terminal end 12, the one ends wound of test specimen 7 is on lower clamp winding end 13.
The A connecting rods of the present invention are responsible for being connected with cupping machine, play stationary fixture;Length adjustment valve is responsible for adjustment Fixture length, can set different initial spacing in the original state of cupping machine between upper lower clamp, therefore the sleeve clamp Suitable for the flaky material tension test of different gauge lengths;For B connecting rods with being provided with pin hole on bare terminal end, two parts pass through pin It is connected to become the entirety of synergy;Winding end is that three bottom surfaces are fan-shaped cylinder, is being pressed from both sides according to the geometry at winding end Hold end lower side and open up fan-shaped pylone 5-3, winding end is connected directly between on bare terminal end through hole.So far, fixture each several part An entirety is connected to become, and is consolidated with cupping machine and is connected to form a set of Sizes, it is simple reliable, can be to flaky material Carry out the fixture of effective high temperature tension test.
High temperature in the high temperature tension test that the present invention is applied refers to the operating mode that temperature is less than 400 DEG C.
Embodiment two:Illustrate present embodiment, the He of upper fixture length adjustment valve 2 of present embodiment with reference to Figure 12 Lower clamp length adjustment 9 structures of valve are identical, and upper fixture length adjustment valve 2 includes cylinder 2-1 and two handle 2-2, two handles 2-2 is fixedly mounted on cylinder 2-1 lateral wall, and oppositely oriented internal thread 2-3 is offered in cylinder 2-1;Upper fixture A connections The external screw thread being engaged with internal thread 2-3 is equipped with bar 1 and upper fixture B connecting rods 3.It is arranged such, is easy to actually using When, upper fixture A connecting rods 1 and upper fixture B connecting rods 3 are adjusted in the length of vertical direction by pulling two handle 2-2, are made With more flexibly, operation is more accurate.Other compositions and annexation are identical with embodiment one.
Embodiment three:Illustrate present embodiment with reference to Figure 12, the upper fixture bare terminal end 5 of present embodiment includes two Individual upper holder, two upper holders are oppositely arranged, and each upper holder includes upper grip block 5-1 and upper supporting rod 5-2, on Supporting rod 5-2 is formed integrally installed in upper grip block 5-1 upper end and with upper grip block 5-1, is opened up in the middle part of upper grip block 5-1 There is through hole 5-3 in three sectors;Lower clamp bare terminal end 12 includes two lower holders, and two lower holders are oppositely arranged, each Lower holder includes lower grip block 12-1 and lower supporting rod 12-2, and lower supporting rod 12-2 is arranged on lower grip block 12-1 upper end And be formed integrally with lower grip block 12-1, three fan-shaped lower through-hole 12-3 are offered in the middle part of lower grip block 12-1.It is arranged such, It is easy to upper fixture winding end 6 or lower clamp winds end 13 and firmly wound, there is provided one clamps and supports.Other compositions and company It is identical with embodiment two to connect relation.
Embodiment four:Illustrate present embodiment with reference to Fig. 9, present embodiment:In three sectors through hole 5-3 and The arrangement of the mode of three fan-shaped equal circular arrays of lower through-hole 12-3.It is arranged such, is easy to clamp test specimen.Other compositions and company It is identical with embodiment three to connect relation.
Embodiment five:Illustrate present embodiment with reference to Fig. 9, each holder of present embodiment also includes pin 20, pass through pin 20 between the upper supporting rod 12-2 of supporting rod 5-2 and upper fixture B connecting rod 3 or lower and lower clamp B connecting rods 10 Connection.It is arranged such, connected mode is simple, reliable, easy to disassemble.Other compositions and annexation and embodiment one, 2nd, three or four is identical.
Embodiment six:Illustrate present embodiment, upper fixture winding end 6 and the lower folder of present embodiment with reference to Figure 11 The tool winding structure of end 13 is identical, and upper fixture winding end 6 includes three upper secter pats, and described three upper secter pats are respectively the first fan Shape block 6-1, the second secter pat 6-2 and the 3rd secter pat 6-3, each secter pat are inserted into a sector in through hole 5-3;Lower folder Tool winding end 13 includes three lower secter pats, and three lower secter pats are respectively the four fan-shaped piece of 13-1, the 5th secter pat 13- 2 and the 6th secter pat 13-3, each secter pat are inserted into a fan-shaped lower through-hole 12-3.It is arranged such, is easy to test specimen to wind. Other compositions and annexation are identical with embodiment one, two, three, four or five.
Embodiment seven:Illustrate present embodiment with reference to Figure 11, Figure 13, Figure 15 and Figure 16, present embodiment is first Three secter pats are inserted into the left side of upper fixture bare terminal end 5, test specimen 7 are then bent into C-shaped, and make the upper groove of C-shaped test specimen 7 embedding Enter the first secter pat 6-1, by the both sides of the upper groove of C-shaped test specimen 7 pass through the first secter pat 6-1 faces gap, and by these three The right side of secter pat insertion upper fixture bare terminal end 5, completes the preliminary assembling of upper fixture specimen holder;Adjust the first secter pat 6-1 two The length of side C-shaped test specimen 7 causes short side to be bonded and just wraps the second secter pat 6-2 outer rim, then winds upper fixture Hold 6 dextrorotations to circle to be connected by upper fixture pin hole 4 with upper fixture B connecting rods 3, complete the test specimen installation of upper fixture part Work;Three secter pats are inserted into the left side of lower clamp bare terminal end 12, the low groove of C-shaped test specimen 7 is then embedded in the four fan-shaped piece 13-1, by the both sides of the low groove of C-shaped test specimen 7 through the gap of the four fan-shaped piece of 13-1 face, and these three secter pats are inserted The right side of lower clamp bare terminal end 12, completes the preliminary assembling of lower clamp specimen holder;Adjust the four fan-shaped piece of 13-1 both sides C-shaped test specimen 7 length causes short side to be bonded and just wraps the 5th secter pat 13-2 outer rim, and lower clamp winding end 13 is revolved counterclockwise Circle and be connected with lower clamp B connecting rods 10 by lower clamp pin hole 11, complete lower clamp part test specimen installment work.So Set, winding is firm.Other compositions and annexation are identical with embodiment one, two, three, four, five or six.
Embodiment eight:Illustrate present embodiment with reference to Figure 11 and Figure 12, the test specimen 7 of present embodiment is in upper fixture The test specimen contact position wound on winding end 6 or lower clamp winding end 13 scribbles resistant to elevated temperatures lubricating oil, and resistant to elevated temperatures lubricating oil is Imported bearing ecru lubricating grease, it is resistant to 700 DEG C of high temperature.In the part coating lubricating oil that test specimen contacts with each other, prevent from stretching Test specimen Schistosity in journey;Do not smeared in test specimen and winding termination synapsis (test specimen of internal layer and the surface for winding end in contact), Prevent test specimen from Relative sliding occurs in the end of winding.It is arranged such, smooth contact between sample, is capable of the stretching of continuously smooth, Experimental error is eliminated with this.Other compositions and annexation are identical with embodiment one, two, three, four, five, six or seven.
During present invention actual use,
If the flaky material thickness for the 1, carrying out tension test is thicker, preset clearance between winding end and bare terminal end is can adjust, That is the width in Fig. 5 between three parts, so that flaky material thickness interspaces match in advance with winding end, make the sleeve clamp can be right The material of different-thickness carries out tension test.
If the 2, carrying out the tension test of normal temperature flaky material, fixture bare terminal end size is not limited by high temperature furnace inner space System, therefore can be adjusted according to the width of sample to winding the length at end and the length of B connecting rods bottom, ensureing not change Cause the sleeve clamp on the basis of core wound form method of clamping can carry out tension test to the flaky material of different in width.
3rd, the wound form method of clamping that this patent fixture winding end uses can be effectively wound experiments verify that simple and reliable The fixed membrane material in end, therefore the canoe can expand the boudary portion for being applied to tensioning membrane material in membrane structure building, i.e., in boundary portion Position is substituted by wound form method of clamping in a manner of traditional mechanical grip, is pressed from both sides in a manner of eliminating mechanical grip in bare terminal end and phase easily occurs The problems such as to sliding and membrane material easy damaged.It is contemplated that the wound form method of clamping has a good application prospect.

Claims (8)

  1. A kind of 1. flaky material wound form high temperature tension test fixture, it is characterised in that:It include upper fixture body, lower clamp body and Test specimen (7), the upper end of upper fixture body and the lower end of lower clamp body are connected with cupping machine, the lower end of upper fixture body and lower folder Connected between specific upper end by test specimen (7);
    Upper fixture body includes upper fixture A connecting rods (1), upper fixture length adjustment valve (2), upper fixture B connecting rods (3), upper fixture Bare terminal end (5) and upper fixture winding end (6), are grown between upper fixture A connecting rods (1) and upper fixture B connecting rods (3) by upper fixture Regulating valve (2) connection is spent, upper fixture bare terminal end (5) is connected with upper fixture B connecting rods (3) by upper fixture pin hole (4), upper folder Tool winding end (6) is arranged in upper fixture bare terminal end (5), and the one ends wound of test specimen (7) is in upper fixture winding end (6);
    Lower clamp body includes lower clamp A connecting rods (8), lower clamp length adjustment valve (9), lower clamp B connecting rods (10), lower clamp Bare terminal end (12) and lower clamp winding end (13), pass through lower folder between lower clamp A connecting rods (8) and lower clamp B connecting rods (10) Has length adjustment valve (9) connection, lower clamp bare terminal end (12) is connected with lower clamp B connecting rods (10) by lower clamp pin hole (11) Connect, lower clamp winding end (13) is arranged on lower clamp bare terminal end (12), and the one ends wound of test specimen (7) winds end in lower clamp (13) on.
  2. A kind of 2. flaky material wound form high temperature tension test fixture according to claim 1, it is characterised in that:Upper fixture Length adjustment valve (2) is identical with lower clamp length adjustment valve (9) structure, upper fixture length adjustment valve (2) include cylinder (2-1) and Two handles (2-2), two handles (2-2) are fixedly mounted on cylinder (2-1) lateral wall, and rotation is offered in cylinder (2-1) To opposite internal thread (2-3).
  3. A kind of 3. flaky material wound form high temperature tension test fixture according to claim 2, it is characterised in that:Upper fixture Bare terminal end (5) includes two upper holders, and two upper holders are oppositely arranged, and each upper holder includes upper grip block (5- 1) it is arranged on the upper end of upper grip block (5-1) with upper supporting rod (5-2), upper supporting rod (5-2) and is made with upper grip block (5-1) Integrally, through hole (5-3) in three sectors is offered in the middle part of upper grip block (5-1);Lower clamp bare terminal end (12) is included under two Holder, two lower holders are oppositely arranged, and each lower holder includes lower grip block (12-1) and lower supporting rod (12-2), Lower supporting rod (12-2) is arranged on the upper end of lower grip block (12-1) and is formed integrally with lower grip block (12-1), lower grip block Three fan-shaped lower through-holes (12-3) are offered in the middle part of (12-1).
  4. A kind of 4. flaky material wound form high temperature tension test fixture according to claim 3, it is characterised in that:Three fans The arrangement of through hole (5-3) and three fan-shaped lower through-holes (12-3) mode of circular array in shape.
  5. A kind of 5. flaky material wound form high temperature tension test fixture according to claim 4, it is characterised in that:Each folder Gripping member also includes pin (20), and upper supporting rod (5-2) connects with upper fixture B connecting rods (3) or lower supporting rod (12-2) with lower clamp B Connected between extension bar (10) by pin (20).
  6. 6. a kind of flaky material wound form high temperature tension test fixture according to claim 1,2,3,4 or 5, its feature exist In:Upper fixture winding end (6) is identical with lower clamp winding end (13) structure, and upper fixture winding end (6) includes three upper secter pats, Described three upper secter pats are respectively the first secter pat (6-1), the second secter pat (6-2) and the 3rd secter pat (6-3), are each fanned Shape block is inserted into a sector in through hole (5-3);Lower clamp winding end (13) includes three lower secter pats, three lower fans Shape block is respectively the four fan-shaped piece (13-1), the 5th secter pat (13-2) and the 6th secter pat (13-3), and each secter pat inserts In a fan-shaped lower through-hole (12-3).
  7. A kind of 7. flaky material wound form high temperature tension test fixture according to claim 6, it is characterised in that:First will On the left of three secter pat insertion upper fixture bare terminal ends (5), test specimen (7) is then bent into C-shaped, and make the fovea superior of C-shaped test specimen (7) Groove is embedded in the first secter pat (6-1), and the both sides of C-shaped test specimen (7) upper groove are passed through to the gap of the first secter pat (6-1) face, And insert these three secter pats on the right side of upper fixture bare terminal end (5), complete the preliminary assembling of upper fixture specimen holder;Adjustment first The length of secter pat (6-1) both sides C-shaped test specimen (7) causes short side to be bonded and just wraps the second secter pat (6-2) outer rim, Then upper fixture winding end (6) dextrorotation is circled and is connected with upper fixture B connecting rods (3) by upper fixture pin hole (4), Complete upper fixture part test specimen installment work;Three secter pats are inserted on the left of lower clamp bare terminal end (12), then by C-shaped test specimen (7) low groove is embedded in the four fan-shaped piece (13-1), and the both sides of C-shaped test specimen (7) low groove are passed through into the four fan-shaped piece (13-1) The gap of face, and these three secter pats are inserted on the right side of lower clamp bare terminal end (12), complete the preliminary of lower clamp specimen holder Assembling;The length of the four fan-shaped piece (13-1) both sides C-shaped test specimen (7) is adjusted so that short side is bonded and just wraps the 5th sector The outer rim of block (13-2), lower clamp is wound into end (13) rotate counterclockwise and passes through lower clamp with lower clamp B connecting rods (10) within one week Pin hole (11) connects, and completes lower clamp part test specimen installment work.
  8. A kind of 8. flaky material wound form high temperature tension test fixture according to claim 7, it is characterised in that:Test specimen (7) winding contact position scribbles resistant to elevated temperatures lubricating oil in upper fixture winding end (6) or lower clamp winding end (13).
CN201711072161.1A 2017-11-03 2017-11-03 Sheet material winding type high-temperature tensile test fixture for building membrane material Expired - Fee Related CN107860650B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711072161.1A CN107860650B (en) 2017-11-03 2017-11-03 Sheet material winding type high-temperature tensile test fixture for building membrane material

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CN109220398A (en) * 2018-12-10 2019-01-18 徐州徐薯薯业科技有限公司 A kind of agricultural greenhouse plastic film connection buckle
CN109781516A (en) * 2018-12-28 2019-05-21 东北大学 A kind of material strain original position EBSD observation test fixture and the test method
CN112082880A (en) * 2020-09-11 2020-12-15 安徽佳通乘用子午线轮胎有限公司 Device and method for testing high-low temperature tensile property of fiber cord
CN112611635A (en) * 2020-11-09 2021-04-06 西北工业大学 Concrete uniaxial tension test fixture and test method
CN113740149A (en) * 2021-08-26 2021-12-03 深圳市华星光电半导体显示技术有限公司 Clamping device for film material tensile test and testing method thereof
CN116448590A (en) * 2023-06-08 2023-07-18 华北科技学院 Clamp assembly, test device and test method for sheet high-temperature tensile test

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JPH11295199A (en) * 1998-04-10 1999-10-29 Mitsubishi Materials Corp Holding jig for wire tensile test and winding method for wire test piece
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CN109220398A (en) * 2018-12-10 2019-01-18 徐州徐薯薯业科技有限公司 A kind of agricultural greenhouse plastic film connection buckle
CN109781516A (en) * 2018-12-28 2019-05-21 东北大学 A kind of material strain original position EBSD observation test fixture and the test method
CN109781516B (en) * 2018-12-28 2024-02-02 东北大学 Clamp for material strain in-situ EBSD observation test and test method
CN112082880A (en) * 2020-09-11 2020-12-15 安徽佳通乘用子午线轮胎有限公司 Device and method for testing high-low temperature tensile property of fiber cord
CN112611635A (en) * 2020-11-09 2021-04-06 西北工业大学 Concrete uniaxial tension test fixture and test method
CN113740149A (en) * 2021-08-26 2021-12-03 深圳市华星光电半导体显示技术有限公司 Clamping device for film material tensile test and testing method thereof
CN113740149B (en) * 2021-08-26 2023-11-28 深圳市华星光电半导体显示技术有限公司 Clamping device for film tensile test and testing method thereof
CN116448590A (en) * 2023-06-08 2023-07-18 华北科技学院 Clamp assembly, test device and test method for sheet high-temperature tensile test
CN116448590B (en) * 2023-06-08 2023-08-25 华北科技学院 Clamp assembly, test device and test method for sheet high-temperature tensile test

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