CN207586019U - A kind of fixture for the experiment of composite board compression performance - Google Patents
A kind of fixture for the experiment of composite board compression performance Download PDFInfo
- Publication number
- CN207586019U CN207586019U CN201721788484.6U CN201721788484U CN207586019U CN 207586019 U CN207586019 U CN 207586019U CN 201721788484 U CN201721788484 U CN 201721788484U CN 207586019 U CN207586019 U CN 207586019U
- Authority
- CN
- China
- Prior art keywords
- firm banking
- optical axis
- bottom plate
- composite board
- bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 39
- 238000007906 compression Methods 0.000 title claims abstract description 29
- 230000006835 compression Effects 0.000 title claims abstract description 24
- 238000002474 experimental method Methods 0.000 title claims abstract description 14
- 230000003287 optical effect Effects 0.000 claims abstract description 26
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 10
- 230000029052 metamorphosis Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012669 compression test Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of fixtures for the experiment of composite board compression performance, gripping in being tested for composite board compression performance, including top plate, bottom plate, upper firm banking, lower firm banking, overhead gage, lower baffle plate, linear bearing, bearing block, optical axis；A pair of upper firm banking is fixed in the lower surface of top plate, is each screwed with bolt on upper firm banking, upper bolt resists overhead gage；A pair of lower firm banking is fixed in the upper surface of bottom plate, is each screwed with lower bolt on lower firm banking, lower bolt resists lower baffle plate, and plank is clamped by upper and lower baffle；Two optical axises are arranged symmetrically in the both sides of plank, and optical axis passes through top plate and bottom plate, and the top of optical axis is cased with linear bearing, and linear bearing is mounted on bearing block, and bearing block is fixed on the upper surface of top plate, and the lower part of optical axis is connected with bottom plate.The utility model can effective fixing composite material plank, convenient for observing material damage phenomenon, have many advantages, such as that reliability is high, continuous work is good.
Description
Technical field
The utility model is related to the fixtures of plank compression performance experiment more particularly to a kind of composite board that is used for compress
The fixture of performance test.
Background technology
Compression performance experiment can measure mechanical property of the composite board under axial compressive force effect, be composite wood
One of basic skills of flitch material performance detection, mainly for detection of the composite board of compressive load is born.It is compressed axially
Performance is one of important mechanical property of composite board.It is multiple with the continuous increase of load during compression test
The active force that condensation material both ends are subject to is also increasing, is susceptible to sample and tilts and make the effect of load not in straight line
On, it can not ensure transfers of the load along plank, lead to test failure or result of the test is made to generate larger error.
At present, used composite board clamping device, the load that can not carry out compression direction apply at this stage.Separately
Outside, existing compression clamp is specific fixture on universal testing machine, be applicable in pipe that those can be upright in compression process,
Square tube or I-beam etc..There is higher requirement and limitation to the shape and structure of material.For the relatively thin composite panel in end face
Material also lacks preferable solution.In order to accurately obtain the performance that is compressed axially of composite board, and can be convenient for seeing
The metamorphosis that material damages failure in compression process is examined, a kind of reliable, effective compression clamp of design is tested for improving
Accuracy and reliability has very important meaning.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to propose one kind for composite board compression performance
The fixture of experiment can accurately obtain the performance that is compressed axially of composite board, and observation material can be convenient for compress
The metamorphosis of failure is damaged in the process.
To achieve the above object, the technical solution adopted in the utility model is：One kind is used for composite board compressibility
The fixture that can be tested, gripping in being tested for composite board compression performance, including top plate, bottom plate, upper fixed bottom
Seat, lower firm banking, overhead gage, lower baffle plate, linear bearing, bearing block, optical axis；The lower surface of the top plate is at least fixed a pair of
Upper firm banking is each at least provided with two the first threaded holes on upper firm banking, is screwed with bolt on the first threaded hole, often
Upper bolt on a upper firm banking resists an overhead gage, and the upper end of composite board is clamped by overhead gage；The bottom
At least fixed a pair of lower firm banking in the upper surface of plate, is each at least provided with two the second threaded holes on lower firm banking, and second
Lower bolt is screwed on threaded hole, the lower bolt on each lower firm banking resists a lower baffle plate, under composite board
End is clamped by lower baffle plate；
Two optical axises are arranged symmetrically in the both sides of composite board, and optical axis passes through top plate and bottom plate, and the top of optical axis covers
There is linear bearing, linear bearing is mounted on bearing block, and bearing block is fixed on the upper surface of top plate, lower part and the bottom plate phase of optical axis
Even.
Further, the lower part of the optical axis is mounted on horizontal bearing, and horizontal bearing is mounted on bearing block, bearing block
It is fixed on the lower surface of bottom plate.
Further, for set there are one spring, one end of spring resists the lower surface of top plate on every optical axis, spring it is another
End resists the upper surface of bottom plate.
Further, the upper bolt and lower bolt are hexagon socket head cap screw.
Further, the optical axis is solid shafting.
Compared with prior art, the utility model has the advantages that：1. the utility model is used for composite material
The fixture of plank compression performance experiment is abutted by baffle so that material sample preferably centering ensures axis of the load along plank
To transmission, accurate acquisition composite board is compressed axially performance.2. the utility model compresses for composite board
The fixture of performance test can be convenient for observing the metamorphosis that material damages failure in compression process.
Description of the drawings
Fig. 1 is the stereogram of the fixture for the experiment of composite board compression performance of the utility model；
Fig. 2 is the schematic diagram that 1 plank of the utility model embodiment is clamped and is pressurized；
Fig. 3 is the schematic diagram that 2 plank of the utility model embodiment is clamped and is pressurized；
In figure：Optical axis 1, linear bearing 2, bearing block 3, top plate 4, upper bolt 5, upper firm banking 6, overhead gage 7, spring 8,
Composite board 9, bottom plate 10, horizontal bearing 11, lower firm banking 12, lower bolt 13, lower baffle plate 14.
Specific embodiment
Figure of description 1,2,3 is please referred to, the utility model is used for what composite board compression performance was tested to be a kind of
Fixture, just attached drawing in conjunction with the embodiments, is described in further detail the specific implementation method of the utility model, so that this practicality below
New Scheme is more readily understood and grasps.
As inscribed shown in 1-3, the utility model proposes a kind of fixture for the experiment of composite board compression performance, packets
Include top plate 4 and bottom plate 10 adjustable in pitch, the spacing of top plate 4 and bottom plate 10 is to form the compression stroke of material, the top plate 4
Lower surface fix a pair of upper firm banking 6, each opened on upper firm banking 6 there are two the first threaded hole, on the first threaded hole
Bolt 5 is screwed with, the upper bolt 5 on each upper firm banking 6 resists an overhead gage 7, and (i.e. top has a pair of of overhead gage
7), the upper end of composite board 9 clamps overhead gage 7 by this；A pair of lower fixed bottom is fixed in the upper surface of the bottom plate 10
Seat 12 is each opened on lower firm banking 12 there are two the second threaded hole, and lower bolt 13 is screwed on the second threaded hole, each lower solid
Determine the lower bolt 13 on pedestal 12 and resist a lower baffle plate 14 (i.e. lower part has a pair of of lower baffle plate 14), composite board 9
Lower end clamps lower baffle plate 14 by this；The upper bolt 5 and lower bolt 13 are hexagon socket head cap screw, by the shearing force of screw thread
Pushing action is completed, negative direction torsion can unclamp clamping, convenient to remove sheet coupon after completing to test.
Top plate 4 has vertical direction displacement by a pair of of optical axis 1 and bottom plate 10, and optical axis 1 limits the lateral position of top plate 4
It moves, particularly, the upper surface of top plate 4 is fixed with bearing block 3, and linear bearing 2 is fixed in bearing block 3, and linear bearing 2 is sleeved on
On optical axis 1, there is adjustable compression space with top plate 4 so as to make top plate 4 and bottom plate 10 that can slide in vertical direction.
Spring 8 is cased on optical axis 1, one end of spring 8 resists the lower surface of top plate 4, and the other end of spring 8 resists the upper table of bottom plate 10
Face, spring 8 make 4 both sides uniform force of top plate, top plate 4 are avoided to tilt.
The lower part of the optical axis 1 is mounted on horizontal bearing 11, and horizontal bearing 11 is mounted on bearing block, and bearing block is fixed
In the lower surface of bottom plate 10.
For the ease of observing the morphing process of the damage failure in the compression process of composite board, this embodiment party
There are two operation embodiments for method：
Embodiment 1：Convenient for observing the metamorphosis of the width direction of plank damage failure, as shown in Figure 2.
Embodiment 2：Convenient for observing the metamorphosis of the thickness direction of plank damage failure, as shown in Figure 3.
Above two operates embodiment by adjusting overhead gage 7, upper firm banking 6, upper stud 5, lower baffle plate 14, lower fixation
The position of pedestal 12, lower stud 13, wherein mainly adjusting the position of upper firm banking 6 and lower firm banking 12.Top plate 4 and bottom
Four threaded holes are respectively equipped on plate 10, for the installation of upper firm banking 6 and lower firm banking 12, the distribution of four threaded holes
Four angles of the position for square, in this way setting can effectively make firm banking 6 adjust installation site and lower fixation on the top plate 4
Pedestal 12 adjusts installation site on bottom plate 10 (two installation sites are just mutually perpendicular to).
During concrete operations, the spacing of top plate 4 and bottom plate 10 is adjusted, then plank is positioned between top plate 4 and bottom plate 10,
The position of top plate 4 is adjusted, sheet end surface is made to be connected to top plate 4 and bottom plate 10.By the upper and lower baffle of hexagon socket head cap screw pushing tow, make
Upper and lower baffle clamps plank, and plane where in addition also needing to meet plank and plane where top plate are perpendicular.Composite board
After installing, between fixture is positioned over universal testing machine compression tablet, compression test is carried out.It can facilitate from the front of fixture
Carry out the metamorphosis of the damage failure of the figuratrix of plank.After completing compression test, by reversely rotating hexagon socket head cap screw
Until sheet coupon loosens, sample is removed.
It is visible by above description：Be equipped with using the fixture of the utility model, between top plate 4 and bottom plate 10 adjustable berth away from
Bearing arrangement, the upper and lower baffle clamp structure at plank both ends also adjustable berth away from can be used to the composite wood to different sizes
Expect that sheet coupon carries out compression performance experiment, improve the applicability of fixture, it is right in compression process to additionally improve plank
Neutrality makes compression performance result of the test more accurately and reliably；The firm banking in adjustable direction facilitates the mark sheet of observation plank
The metamorphosis of the damage failure in face.
Still there are many embodiment, all technologies formed using equivalents or equivalent transformation for the utility model
Scheme is all fallen within the scope of protection of the utility model.
Claims (4)
1. a kind of fixture for the experiment of composite board compression performance, it is characterised in that：Including top plate, bottom plate, upper fixation
Pedestal, lower firm banking, overhead gage, lower baffle plate, linear bearing, bearing block, optical axis；
At least fixed a pair of upper firm banking in the lower surface of the top plate, is each at least provided with two the first spiral shells on upper firm banking
Pit is screwed with bolt on the first threaded hole, and the upper bolt on each upper firm banking resists an overhead gage, composite material
The upper end of plank is clamped by overhead gage；
At least fixed a pair of lower firm banking in the upper surface of the bottom plate, is each at least provided with two the second spiral shells on lower firm banking
Pit is screwed with lower bolt on the second threaded hole, and the lower bolt on each lower firm banking resists a lower baffle plate, composite material
The lower end of plank is clamped by lower baffle plate；
Two optical axises are arranged symmetrically in the both sides of composite board, and optical axis passes through top plate and bottom plate, and the top of optical axis is cased with directly
Spool is held, and linear bearing is mounted on bearing block, and bearing block is fixed on the upper surface of top plate, and the lower part of optical axis is connected with bottom plate.
2. as described in claim 1 for the fixture of composite board compression performance experiment, it is characterised in that：The optical axis
Lower part be mounted on horizontal bearing on, horizontal bearing be mounted on bearing block on, bearing block is fixed on the lower surface of bottom plate.
3. as claimed in claim 2 for the fixture of composite board compression performance experiment, it is characterised in that：Every optical axis
Upper set is there are one spring, and one end of spring to resist the lower surface of top plate, and the other end of spring resists the upper surface of bottom plate.
4. as claimed in claim 3 for the fixture of composite board compression performance experiment, it is characterised in that：The upper spiral shell
Bolt and lower bolt are hexagon socket head cap screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721788484.6U CN207586019U (en) | 2017-12-19 | 2017-12-19 | A kind of fixture for the experiment of composite board compression performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721788484.6U CN207586019U (en) | 2017-12-19 | 2017-12-19 | A kind of fixture for the experiment of composite board compression performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207586019U true CN207586019U (en) | 2018-07-06 |
Family
ID=62739088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721788484.6U Expired - Fee Related CN207586019U (en) | 2017-12-19 | 2017-12-19 | A kind of fixture for the experiment of composite board compression performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207586019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351701A (en) * | 2020-04-01 | 2020-06-30 | 西北工业大学 | Composite laminated board off-axis compression test fixture |
-
2017
- 2017-12-19 CN CN201721788484.6U patent/CN207586019U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351701A (en) * | 2020-04-01 | 2020-06-30 | 西北工业大学 | Composite laminated board off-axis compression test fixture |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 |