CN207007595U - A kind of specimen preparation fixture of lap shear test - Google Patents
A kind of specimen preparation fixture of lap shear test Download PDFInfo
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- CN207007595U CN207007595U CN201720993445.3U CN201720993445U CN207007595U CN 207007595 U CN207007595 U CN 207007595U CN 201720993445 U CN201720993445 U CN 201720993445U CN 207007595 U CN207007595 U CN 207007595U
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- 238000012360 testing method Methods 0.000 title claims abstract description 76
- 238000002360 preparation method Methods 0.000 title claims abstract description 36
- 239000000758 substrate Substances 0.000 claims abstract description 59
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram 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
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Abstract
The utility model discloses a kind of specimen preparation fixture of lap shear test, including bottom plate, device for measuring length on bottom plate, lower portable plate, upper mobile board and height measuring gauge, upper mobile board is located at the top of lower portable plate, the upper surface of upper mobile board is arranged at intervals with some upper substrate slots for being used to place upper substrate, the upper surface of lower portable plate is arranged at intervals with some subtegulum grooves for being used to place underlying basal, each subtegulum groove and each upper substrate slot are relative one by one respectively, lower portable plate can move horizontally along the direction close to upper mobile board, so that upper substrate and underlying basal partly overlap to form overlap, for measuring the length of overlap, upper mobile board can descend portable plate vertically to move up and down relatively, height measuring gauge is used for the distance between upper surface for the upper surface and lower portable plate for measuring upper mobile board.It can prepare high-precision test piece, the accuracy of guarantee test result, can improve the production efficiency of test piece.
Description
Technical field
It the utility model is related to adhesive tensile shear strength measure device field, more particularly to a kind of lap shear test
Specimen preparation fixture.
Background technology
China's adhesive industry fast development in the last few years, various Novel adhesive products emerge in an endless stream, greatly supported
With the fast development for having promoted the fields such as industry and construction industry.Shear strength is evaluate adhesive and base material cohesive force most important
One of index, disclose national standard for this national standardization administration committee《GB/T 13936-2014 vulcanize rubber and gold
Category bonding tensile shear strength assay method》(hereinafter referred to as national standard).The length of the layer substrate of shearing test is defined in national standard
It is 25.0 ± 0.2mm to spend for 100.0 ± 0.2mm, width, and thickness is 2.0 ± 0.1mm, the length of the sheet rubber of bonding site
12.5 ± 0.5mm, width are 25.0 ± 0.2mm, thickness is 2.0 ± 0.1mm, and the fluctuation of sheet rubber thickness is not in same sample
More than 0.1mm.
However, national standard is not prescribed by either announcing the equipment or method of shearing test test piece overlap joint.In practice, same batch
Usually there is wide fluctuations phenomenon in the data of shear strength measured by secondary adhesive, the layer substrate between different batches
For size there is also error, the work to adhesive research and development analysis and quality control brings great puzzlement.It was verified that test piece
The accuracy of overlap joint and the homogeneity of specimen size are to cause one of principal element of data fluctuations.
Chinese patent CN105606464A discloses a kind of specimen preparation method of adhesive lap shear test, and it can be with
Pressure equipment of the shearing test piece with rubber when Nian Jie is controlled, makes the solidifying pressure of test piece in the range of standard regulation, still
Regulation is not made to the pressure of sheet rubber bonded metal in national standard, in actual use, rubber can not be accurately controlled
The thickness of piece, it is impossible to make the size of each test piece keep good homogeneity, so as to improve the error of lap shear test.
Utility model content
A purpose of the present utility model is：A kind of specimen preparation fixture of lap shear test is provided, it can be prepared
Go out high-precision test piece, the accuracy of guarantee test result.
Another purpose of the present utility model is：A kind of specimen preparation fixture of lap shear test is provided, it can be carried
The production efficiency of high test piece.
To reach this purpose, the utility model uses following technical scheme：
The specimen preparation fixture of kind of lap shear test, including bottom plate, the linear measure longimetry on the bottom plate are provided
Device, lower portable plate, upper mobile board and the height measuring gauge on the upper mobile board, the upper mobile board is positioned at described
The top of lower portable plate, the upper surface of the upper mobile board are arranged at intervals with some upper substrate slots for being used to place upper substrate,
The upper surface of the lower portable plate be arranged at intervals with it is some be used to placing the subtegulum grooves of underlying basal, each subtegulum groove with
Each upper substrate slot is relative one by one respectively, and the lower portable plate can move horizontally along the direction close to the upper mobile board, with
The upper substrate and the underlying basal is set to partly overlap to form overlap, the device for measuring length is positioned close on described
The side of portable plate or the lower portable plate, for measuring the length of the overlap, the upper mobile board can it is relatively described under
Portable plate vertically moves up and down, and the height measuring gauge is used for the upper surface for measuring the upper mobile board and the lower work
The distance between upper surface of dynamic plate.
As a kind of preferable technical scheme of the specimen preparation fixture of described lap shear test, opened on the bottom plate
Provided with the sliding groove for installing the lower portable plate, the length of the sliding groove and the length of the lower portable plate match, described
Lower portable plate can slide along the sliding groove.
As a kind of preferable technical scheme of the specimen preparation fixture of described lap shear test, the lower portable plate
Both ends along its length are respectively arranged with elongated hole, the width extension of the length of the elongated hole along the lower portable plate,
The elongated hole is corresponded on the sliding groove and offers the first screwed hole, the first lock-screw passes through the elongated hole and first spiral shell
Pit spins cooperation, so that the lower portable plate is locked with the bottom plate.
As a kind of preferable technical scheme of the specimen preparation fixture of described lap shear test, the linear measure longimetry
Device sets adjacent to the sliding groove and is located at the side of the lower portable plate along its length.
As a kind of preferable technical scheme of the specimen preparation fixture of described lap shear test, the linear measure longimetry
Device is slide measure, and the slide measure includes blade, the chi frame and vertical with the chi frame that can be moved relative to the blade
Locating piece, described locating piece one end is connected with the chi frame, and the other end extends towards the lower portable plate.
As a kind of preferable technical scheme of the specimen preparation fixture of described lap shear test, in addition to it is installed on
Support member on the bottom plate, the height measuring gauge are inside micrometer, and the micrometric screw of the inside micrometer runs through
The top plate of the support member is connected with the upper mobile board.
As a kind of preferable technical scheme of the specimen preparation fixture of described lap shear test, the support member
Also include two spaced supporting cell guides, one end of the supporting cell guide is connected with the bottom plate, the other end and the top plate
Connection.
As a kind of preferable technical scheme of the specimen preparation fixture of described lap shear test, the upper mobile board
On offer the second post holes to match with the supporting cell guide, the supporting cell guide is through second post holes and the bottom plate
Connection.
As a kind of preferable technical scheme of the specimen preparation fixture of described lap shear test, the subtegulum groove
Groove depth be less than the thickness of the underlying basal, the groove depth of the upper substrate slot is less than the thickness of the upper substrate.
As a kind of preferable technical scheme of the specimen preparation fixture of described lap shear test, the lower portable plate
On be provided with the first pressure strip, the upper mobile board is provided with the second pressure strip, and first pressure strip passes through the 6th locking screw
Nail is connected with the lower portable plate, and second pressure strip is connected by the 7th lock-screw with the upper mobile board.
The beneficial effects of the utility model are：The specimen preparation fixture of lap shear test described in the utility model is being made
Make can to control the length and thickness of test piece during test piece, accurately surveyed by progress of the device for measuring length to overlap
Amount, is measured, the energy during operation by height measuring gauge to the vertical range between upper mobile board and lower portable plate
The distance between upper substrate and underlying basal are enough accurately controlled, and then the thickness of test piece is accurately measured.Pass through
Device for measuring length and height measuring gauge, during test piece is made, it can in real time be measured, be accurately controlled overlap
Thickness and length, the error of test piece is reduced, so as to improve the accuracy of test structure, by adjusting upper mobile board, while real
The control of the distance between each top substrate layer and each underlying substrate is showed, the thickness of each test film keeps homogeneous.
Brief description of the drawings
The utility model is described in further detail below according to drawings and examples.
Fig. 1 is the specimen preparation fixture dimensional structure diagram of lap shear test described in embodiment.
Fig. 2 is the structural representation of the lower portable plate of the specimen preparation fixture of lap shear test described in embodiment.
Fig. 3 is the structural representation of the upper mobile board of the specimen preparation fixture of lap shear test described in embodiment.
Fig. 4 is the structural representation of the bottom plate of the specimen preparation fixture of lap shear test described in embodiment.
In figure：
1st, slide measure；11st, blade；12nd, chi frame；13rd, locating piece；
2nd, inside micrometer；21st, fixes sleeve；22nd, microdrum；23rd, micrometric screw；24th, thrust ball bearing；
3rd, lower portable plate；31st, subtegulum groove；32nd, elongated hole；33rd, the first lock-screw；34th, the first pressure strip；35th, the 6th
Lock-screw；36th, the first stopper slot；37th, the 7th screwed hole；
4th, upper mobile board；41st, upper substrate slot；42nd, second compress；43rd, the 7th lock-screw；44th, the second stopper slot；45、
First post holes；46th, through hole；
5th, bottom plate；51st, sliding groove；52nd, projection；53rd, mounting groove；54th, the first screwed hole；55th, the second post holes；
6th, support member；61st, top plate；62nd, supporting cell guide；63rd, the second lock-screw.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
As shown in figures 1-4, in the present embodiment, a kind of specimen preparation of lap shear test described in the utility model
Fixture, including bottom plate 5, device for measuring length, height measuring gauge, lower portable plate 3 on the bottom plate 5 and installed in institute
The height measuring gauge on upper mobile board 4 is stated, the upper mobile board 4 is located at the top of the lower portable plate 3, the upper mobile board 4
Upper surface be arranged at intervals with and some be used to place the upper substrate slots 41 of upper substrate, the upper surface interval of the lower portable plate 3
Some subtegulum grooves 31 for being used to place underlying basal are provided with, each subtegulum groove 31 is distinguished with each upper substrate slot 41
Relative one by one, the lower portable plate 3 can move horizontally along the upper mobile board 4 close to the upper mobile board 4, so that on described
Layer substrate and the underlying basal partly overlap to form overlap, and the device for measuring length is positioned close to the upper mobile board 4
Or the side of the lower portable plate 3, for measuring the length of the overlap, the upper mobile board 4 can relatively described lower activity
Plate 3 vertically moves up and down, and the height measuring gauge is used for the upper surface for measuring the upper mobile board 4 and the lower activity
The distance between upper surface of plate 3.
The specimen preparation fixture of lap shear test described in the utility model can control the length and thickness of test piece,
Accurately measured by progress of the device for measuring length to overlap, by height measuring gauge to the upper surface of upper mobile board 4 and under
The distance between upper surface of portable plate 3 measures, measure upper mobile board 4 upper surface and lower portable plate 3 upper surface it
Between distance subtract the thickness of underlying basal, can obtain the distance between opposite face of upper substrate and underlying basal, so as to
Go out the thickness of overlap, the distance between upper substrate and underlying basal can be accurately controlled by such a mode, so it is right
The thickness of test piece is accurately measured.Wherein, it is respectively arranged with substrate slot on multiple on upper mobile board 4 and lower portable plate 3
41 and subtegulum groove 31, test piece can be produced in batches simultaneously, improve the production efficiency of test piece.In the operating process of reality
In, first each underlying basal is correspondingly placed in each subtegulum groove 31 respectively, each upper substrate is corresponded to respectively and placed
In upper substrate slot 41 and by length direction flare of the one end of the upper substrate in upper substrate slot 41 along upper substrate slot 41, make
One end of upper substrate is placed in substrate slot 41 away from upper substrate slot 41, the other end, specifically, upper substrate flare part
The length of distance be not less than 12.5mm；Then, lower portable plate 3 is moved horizontally along the direction close to upper mobile board 4 so that under
Portable plate 3 is close to the side of upper mobile board 4, and causes upper substrate flare part and the underlying basal shape in lower portable plate 3
Into overlap, device for measuring length is utilized to coordinate the length of adjustment overlap so that in the length of overlap to be 12.5mm；Secondly,
Smearing thickness is more than or equal to 2mm test sample glue on the position of corresponding overlap on upper substrate；Then, along vertical side
Portable plate 3 is descended to move up and down relatively to the horizontal upper mobile board 4 of adjustment, and engagement height measuring appliance is by upper mobile board 4 and lower activity
The control of the distance between plate 3 is close to the side of close lower portable plate 3 until making the flare of upper substrate in 2mm, upper mobile board 4
Position is glued with test sample is taken, and during upper mobile board 4 continues to move down, upper mobile board 4 is squeezed by the gravity of itself
Press the test sample glue on upper mobile board 4, when the distance between portable plate 3 and upper mobile board 4 are 2mm instantly, the thickness of test sample glue
Degree also be 2mm, after sample adhesive curing to be tested, then by outside overlap cull removing, that is, obtain test piece.It is worth noting that,
In the present embodiment, used upper substrate and underlying basal use test film specified in national standard.In the case where producer provides
Layer substrate and upper substrate, per a batch of size there is certain poor, by device for measuring length and height measuring gauge, making
It during making test piece, can in real time be measured, accurately control the thickness and length of overlap, reduce the mistake of test piece
Difference, so as to improve the accuracy of test structure, by adjusting upper mobile board 4, at the same realize each top substrate layer with it is each under
The control of the distance between laminar substrate, the thickness of each test film keep homogeneous.
Originally in the present embodiment, subtegulum groove 31 and upper substrate slot 41 are correspondingly arranged on ten respectively, certain actual production
In, subtegulum groove 31 and upper substrate slot 41 can also be set 20 or scattered 30 etc. according to being actually needed.
In the specimen preparation fixture of described lap shear test, the installation lower activity is offered on the bottom plate 5
The sliding groove 51 of plate 3, the length of the sliding groove 51 and the length of the lower portable plate 3 match, and the lower portable plate 3 can edge
The sliding groove 5 slides.Lower portable plate 3 is arranged in sliding groove 51, lower portable plate 3 can be along sliding groove 51 on bottom plate 5
To close to the side of upper mobile board 4 or the Slideslip away from upper mobile board 4, edge during portable plate 3 is prevented under movement
The length direction of bottom plate 5 is shifted over, so as to efficiently avoid each corresponding upper substrate slot 41 and the phase of subtegulum groove 31
The phenomenon mutually to misplace.
Both ends of the lower portable plate 3 in the bottom plate 5 along its length are respectively arranged with elongated hole 32, the elongated hole 32
Width extension of the length along the lower portable plate 3, correspond to the elongated hole 32 on the sliding groove 5 and offer the first screw thread
Hole 54, the first lock-screw 33 spins cooperation through the elongated hole 32 and first screwed hole 54, so that the lower portable plate 3
Locked with the bottom plate 5.Set elongated hole 32 that lower portable plate 3 can be made to be slided in sliding groove 51 along the length direction of elongated hole 32
It is dynamic, lower portable plate 3 is locked on bottom plate 5 using lock-screw.Wherein, the diameter of lock nut is more than the width of elongated hole 32,
Lower portable plate 3 is locked between lock nut and bottom plate 5 by lock nut during lock nut is mobile into screwed hole,
Prevent when upper substrate and underlying basal are in overlap joint in the horizontal direction or vertical direction is subjected to displacement.
Wherein, the device for measuring length sets adjacent to the sliding groove 51 and is located at the lower portable plate 3 side along its length
To side.Designed by this, the length of overlap can be convenient for measuring.
The device for measuring length is slide measure 1, the slide measure 1 include blade 11, can relatively described blade 11 move
Dynamic chi frame 12 and the locating piece 13 vertical with the chi frame 12, described one end of locating piece 13 are connected with the chi frame 12, separately
One end extends towards the lower portable plate 3.Device for measuring length is arranged to slide measure 1, it is possible to increase to the length of overlap
The accuracy of measurement.In order to improve the measurement accuracy of device for measuring length, the device for measuring length uses accuracy value as 0.02mm's
Slide measure 1.
Specifically, setting projection 52 adjacent to one end of the sliding groove 51 close to the bottom plate 5, set on the projection 52
Have a mounting groove 53 for installing the slide measure 1, the blade 11 across in the mounting groove 53 and the assembly of chi frame 12 extremely
In institute's mounting groove 53, the side wall of the mounting groove 53 is respectively arranged with locating slot, the blade close to the both ends of the blade 11
11 both ends are respectively arranged with the plug division corresponding with the locating slot.During installation, plug division is inserted and positioned
In groove, slide measure 1 is positioned on projection 52.
The specimen preparation fixture of described lap shear test also includes the support member 6 being installed on the bottom plate 5, institute
It is inside micrometer 2 to state height measuring gauge, and the micrometric screw 23 of the inside micrometer 2 runs through the top plate of the support member 6
61 are connected with the upper mobile board 4.Specifically, upper mobile board 4 offers the micrometer spiral shell that through hole 46 is used to connect inside micrometer 2
Bar 23.Preferably, in order to facilitate the regulation of the micrometric screw 23 to the inside micrometer 2, the micrometer of the inside micrometer 2
The position that screw rod 23 is connected with the upper mobile board 4 is provided with thrust ball bearing 24.In the present embodiment, in order to carry elevation carrection
The measurement accuracy of device, height measuring gauge use inside micrometer 2 of the accuracy value for 0.01mm.
In the present embodiment, the support member 6 also includes two spaced supporting cell guides 62, the supporting cell guide 62
One end be connected with the bottom plate 5, the other end is connected with the top plate 61.One end of inside micrometer 2 is arranged on the top
On plate 61, the fixes sleeve 21 of inside micrometer 2 and microdrum 22 is set respectively positioned at the top of top plate 61, facilitate reading.
In the present embodiment, the position of corresponding two supporting cell guides 62 of top plate 61 opens up the first post holes 45, for convenience of consolidating to top plate 61
It is fixed, open up opening in the side of the first post holes 45, side wall corresponding to the opening of the first post holes 45 is provided with the second screwed hole and the
Three screwed holes.In use, the second lock-screw 63 is sequentially passed through into second screwed hole and the 3rd screwed hole, controlled
Folding size between side wall corresponding to opening is to reach the size of the first post holes 45 of control.
Preferably, the one end of the supporting cell guide 62 away from the top plate 61 is connected with the bottom plate 5, the upper mobile board
The second post holes 55 to match with the supporting cell guide 62 is offered on 4, the supporting cell guide 62 passes through second post holes 55
It is connected with the bottom plate 5.Set the second post holes 55 that upper mobile board 4 can be made to be moved up and down along the second post holes 55, prevent from moving
The displacement of upper mobile board 4 during the height and position of dynamic adjustment upper mobile board 4.
In the present embodiment, opening is opened up respectively in the side of the first post holes 45 and the second post holes 55, be open relative side
The 4th screwed hole and the 5th screwed hole are provided with wall.The 3rd screwed hole and the 5th are sequentially passed through using the 3rd lock-screw
Screwed hole, the folding corresponding to the opening of the second post holes 55 between side wall is controlled to be sized to control the first post holes 45 and the respectively
The size of two post holes 55.
Specifically, the groove depth of the subtegulum groove 31 is less than the thickness of the underlying basal, the upper groove depth of substrate slot 41
Less than the thickness of the upper substrate.
Preferably, the depth of subtegulum groove 31 and the upper substrate slot 41 is 1mm.
Preferably, the length of subtegulum groove 31 and the upper substrate slot 41 is 70-82mm.Subtegulum groove 31 and institute
The width for stating substrate slot 41 is all higher than 24.8mm and is less than 25.2mm.
The first pressure strip 34 is provided with the lower portable plate 3, the upper mobile board 4 is provided with the plate of the second compression 42, institute
State the first pressure strip 34 to be connected with the lower portable plate 3 by the 6th lock-screw 35, second compression, 42 plates pass through the 7th
Lock-screw 43 is connected with the upper mobile board 4.By tightening the 6th lock-screw 35 by the first pressure strip 34 to close to described
One side compression of lower portable plate 3, so as to compress underlying basal in subtegulum groove 31, effectively to preventing in subtegulum groove 31
Underlying basal shifts；42 plates are compressed to the side pressure close to the upper mobile board 4 by second by tightening the 7th lock-screw 43
Tightly, so as to compress upper substrate in subtegulum groove 31, effectively the upper substrate in upper substrate slot 41 is carried out spacing.Tool
Body, the first pressure strip 34 and lower portable plate 3 offer corresponding 6th screwed hole and the 7th screwed hole 37, the 6th locking respectively
Screw 35 sequentially passes through the 6th screwed hole and the 7th screwed hole 37 by the first pressure strip 34 to close to the side of the lower portable plate 3
Compress.
Upper substrate and underlying basal are carried out in order to further it is spacing, the both sides of the subtegulum groove 31 and it is described under
The both sides of substrate slot 31 are respectively arranged with the first stopper slot 36 of limit and the second stopper slot 44.
In the present embodiment, after the completion for the treatment of the test piece overlap joint, the cull around test piece is shaved with blade, using common
Vernier caliper measurement shearing test test piece described in overlap sample glue size, and according to national standard carry out shear strength test.
In description herein, it is to be understood that term " first ", " second ", " the 3rd ", " the 4th ", " the 5th ",
" the 6th ", " the 7th " are only used for being distinguish between in description, without particular meaning.
It is to be understood that above-mentioned embodiment is only preferred embodiment of the present utility model and institute's application technology
Principle, in technical scope disclosed in the utility model, what any one skilled in the art was readily apparent that
Change or replacement, it should all cover in the scope of protection of the utility model.
Claims (10)
- A kind of 1. specimen preparation fixture of lap shear test, it is characterised in that including bottom plate, the length on the bottom plate Spend measuring appliance, lower portable plate, upper mobile board and the height measuring gauge on the upper mobile board, the upper mobile board position In the top of the lower portable plate, the upper surface of the upper mobile board is arranged at intervals with some upper bases for being used to place upper substrate Film trap, the upper surface of the lower portable plate are arranged at intervals with some subtegulum grooves for being used to place underlying basal, each lower base Film trap and each upper substrate slot are relative one by one respectively, and the lower portable plate can be along close to the horizontal shifting in the direction of the upper mobile board Dynamic, so that the upper substrate and the underlying basal partly overlap to form overlap, the device for measuring length is positioned close to The side of the upper mobile board or the lower portable plate, for measuring the length of the overlap, the upper mobile board can be relative The lower portable plate vertically moves up and down, and the height measuring gauge is used for upper surface and the institute for measuring the upper mobile board State the distance between upper surface of lower portable plate.
- 2. the specimen preparation fixture of lap shear test according to claim 1, it is characterised in that opened up on the bottom plate There is the sliding groove for installing the lower portable plate, the length of the sliding groove and the length of the lower portable plate match, under described Portable plate can slide along the sliding groove.
- 3. the specimen preparation fixture of lap shear test according to claim 2, it is characterised in that the lower portable plate edge The both ends of its length direction are respectively arranged with elongated hole, the width extension of the length of the elongated hole along the lower portable plate, institute State and the elongated hole is corresponded on sliding groove offer the first screwed hole, the first lock-screw is through the elongated hole and first screw thread Hole spins cooperation, so that the lower portable plate is locked with the bottom plate.
- 4. the specimen preparation fixture of lap shear test according to claim 2, it is characterised in that the device for measuring length The neighbouring sliding groove sets and is located at the side of the lower portable plate along its length.
- 5. the specimen preparation fixture of lap shear test according to claim 1, it is characterised in that the device for measuring length For slide measure, the slide measure includes blade, the chi frame that can be moved relative to the blade and vertical with the chi frame Locating piece, described locating piece one end are connected with the chi frame, and the other end extends towards the lower portable plate.
- 6. the specimen preparation fixture of lap shear test according to claim 1, it is characterised in that also include being installed on institute The support member on bottom plate is stated, the height measuring gauge is inside micrometer, and the micrometric screw of the inside micrometer runs through institute The top plate for stating support member is connected with the upper mobile board.
- 7. the specimen preparation fixture of lap shear test according to claim 6, it is characterised in that the support member is also Including two spaced supporting cell guides, one end of the supporting cell guide is connected with the bottom plate, and the other end connects with the top plate Connect.
- 8. the specimen preparation fixture of lap shear test according to claim 7, it is characterised in that on the upper mobile board The second post holes to match with the supporting cell guide is offered, the supporting cell guide connects through second post holes and the bottom plate Connect.
- 9. the specimen preparation fixture of the lap shear test according to any one of claim 1 to 8, it is characterised in that described The groove depth of subtegulum groove is less than the thickness of the underlying basal, and the groove depth of the upper substrate slot is less than the thickness of the upper substrate Degree.
- 10. the specimen preparation fixture of lap shear test according to claim 9, it is characterised in that the lower portable plate On be provided with the first pressure strip, the upper mobile board is provided with the second pressure strip, and first pressure strip passes through the 6th locking screw Nail is connected with the lower portable plate, and second pressure strip is connected by the 7th lock-screw with the upper mobile board.
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| CN201720993445.3U CN207007595U (en) | 2017-08-09 | 2017-08-09 | A kind of specimen preparation fixture of lap shear test |
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| CN201720993445.3U CN207007595U (en) | 2017-08-09 | 2017-08-09 | A kind of specimen preparation fixture of lap shear test |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108908157A (en) * | 2018-07-06 | 2018-11-30 | 江西洪都航空工业集团有限责任公司 | A kind of test piece method for rapidly positioning |
| CN109443909A (en) * | 2018-10-15 | 2019-03-08 | 西北工业大学 | A kind of experiment shear test block weld clip |
| CN109668770A (en) * | 2019-03-01 | 2019-04-23 | 郑州中原思蓝德高科股份有限公司 | Sealant lap device and sealant overlap preparation method of sample |
| CN110539266A (en) * | 2019-09-30 | 2019-12-06 | 重庆长安汽车股份有限公司 | Bonding experiment tool |
| CN111678751A (en) * | 2020-04-30 | 2020-09-18 | 中国航发南方工业有限公司 | Shearing test piece polishing clamp |
| CN113702135A (en) * | 2021-09-16 | 2021-11-26 | 中车株洲电力机车有限公司 | Sample preparation device |
| CN117030454A (en) * | 2023-07-28 | 2023-11-10 | 速维工程技术股份有限公司 | Pressure pipeline pressure detection equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108908157A (en) * | 2018-07-06 | 2018-11-30 | 江西洪都航空工业集团有限责任公司 | A kind of test piece method for rapidly positioning |
| CN108908157B (en) * | 2018-07-06 | 2020-05-08 | 江西洪都航空工业集团有限责任公司 | Test piece rapid positioning method |
| CN109443909A (en) * | 2018-10-15 | 2019-03-08 | 西北工业大学 | A kind of experiment shear test block weld clip |
| CN109668770A (en) * | 2019-03-01 | 2019-04-23 | 郑州中原思蓝德高科股份有限公司 | Sealant lap device and sealant overlap preparation method of sample |
| CN110539266A (en) * | 2019-09-30 | 2019-12-06 | 重庆长安汽车股份有限公司 | Bonding experiment tool |
| CN111678751A (en) * | 2020-04-30 | 2020-09-18 | 中国航发南方工业有限公司 | Shearing test piece polishing clamp |
| CN111678751B (en) * | 2020-04-30 | 2023-07-25 | 中国航发南方工业有限公司 | Shearing test piece polishing clamp |
| CN113702135A (en) * | 2021-09-16 | 2021-11-26 | 中车株洲电力机车有限公司 | Sample preparation device |
| CN113702135B (en) * | 2021-09-16 | 2024-02-06 | 中车株洲电力机车有限公司 | Sample preparation device |
| CN117030454A (en) * | 2023-07-28 | 2023-11-10 | 速维工程技术股份有限公司 | Pressure pipeline pressure detection equipment |
| CN117030454B (en) * | 2023-07-28 | 2024-01-30 | 速维工程技术股份有限公司 | Pressure pipeline pressure detection equipment |
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