CN108562488A - The device and operating method of single fiber puller system fixing concrete sample - Google Patents
The device and operating method of single fiber puller system fixing concrete sample Download PDFInfo
- Publication number
- CN108562488A CN108562488A CN201711440101.0A CN201711440101A CN108562488A CN 108562488 A CN108562488 A CN 108562488A CN 201711440101 A CN201711440101 A CN 201711440101A CN 108562488 A CN108562488 A CN 108562488A
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- China
- Prior art keywords
- adjustment means
- vertical extension
- concrete sample
- fiber
- extension adjustment
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0429—Chucks, fixtures, jaws, holders or anvils using adhesive bond; Gluing
Abstract
The invention discloses a kind of devices and operating method of single fiber puller system fixing concrete sample, including lateral length adjustment means, vertical extension adjustment means, fiber grips, concrete sample and single fiber；The lateral length adjustment means are located at the top of concrete sample；The vertical extension adjustment means are located at the both sides of concrete sample, are one or more per side vertical extension adjustment means；The fiber grips are fixed on the lifting platform of electronic mono-fiber strength machine, and fiber grips top is provided with fixing groove, and adhesive is equipped in fixing groove, and the single fiber below the concrete sample is inserted into fixing groove, and is clamped by fixing bolt.The present invention can change the fixture that electronic mono-fiber strength machine is connected with force snesor into the present invention, play the role of fixing concrete sample, make instrument under the premise of not doing big change, be used widely, especially PVA single fibers pull-out test.
Description
Technical field
The invention belongs to civil engineering materials fields, are specifically related to the dress of single fiber puller system fixing concrete sample
It sets and operating method.
Background technology
The tension test of polyvinyl alcohol (PVA) fiber reinforced cement-based material is for observing PVA fiber-cement basal body interfaces
Performance show that PVA fibers are being extracted to simulate the properties of fibre reinforced composites by Single fiber pull-out test
Failure mechanism and PVA fiber-matrix interface performance parameters in experiment calculate, and in conjunction with scanning electron microscope (SEM) image, are described in detail
The processing of PVA fiber surface finishes, cement matrix component (flyash, the ratio of mud and sand-lime when sand type) variation are to interface characteristics
The influence of energy.
Electronic mono-fiber strength machine is in the ultimate strength of various single fibers, elongation at break, elastic recovery rate, plasticity
The test of the indexs such as deformation rate, is widely used in home and abroad commodity inspection, quality inspection organization and school, research institute, the units such as factory, and one
As be both ends gripping fibers or yarn.
Invention content
The purpose of the present invention is overcoming the deficiencies of the prior art and provide a kind of simple in structure, simple operation, test efficiency is high
Electronic mono-fiber strength machine fixing concrete device and operating method.
The technical solution adopted by the present invention is：A kind of device of single fiber puller system fixing concrete sample, including cross
To length adjustment component, vertical extension adjustment means, fiber grips, concrete sample and single fiber；
The lateral length adjustment means are located at the top of concrete sample, and ten thousand are provided with above lateral length adjustment means
To hinge, universal hinge can flexible rotating, pull rod is set in universal hinge, pull rod is connect with the force snesor of electronic mono-fiber strength machine；
The vertical extension adjustment means are located at the both sides of concrete sample, be per side vertical extension adjustment means one or
It is multiple；
When vertical extension adjustment means are one：Vertical extension adjustment means top is equipped with transverse slat, and the transverse slat is logical
It crosses guide rail to connect with the lateral length adjustment means, guide rail passes through guide-rail brake fixed position；Quarter is provided with above transverse slat
Degree, can determine application position according to scale；Vertical extension adjustment means bottom is rotated into collet by rotating 90 degree of hinge,
Vertical extension adjustment means are equipped with angle mounting hole, and collet is fixed in such a way that fixed strip is inserted into angle mounting hole；
When vertical extension adjustment means are multiple：Multiple vertical extension adjustment means longitudinal stacks link together, adjacent
Vertical extension adjustment means contact position be equipped with the corresponding bell and spigot in position, and pass through in bell and spigot be inserted into socket joint bolt connect
It is connected together；Uppermost vertical extension adjustment means top is equipped with transverse slat, and the transverse slat passes through guide rail and the lateral length
Adjustment means connect, and guide rail passes through guide-rail brake fixed position；It is provided with scale above transverse slat, can be determined and be braked according to scale
Position；Nethermost vertical extension adjustment means bottom is rotated into collet, vertical extension adjustment means by rotating 90 degree of hinge
It is equipped with angle mounting hole, collet is fixed in such a way that fixed strip is inserted into angle mounting hole；
The fiber grips are fixed on the lifting platform of electronic mono-fiber strength machine, and fiber grips are universal hinge rotation side
Formula, fiber grips top are provided with fixing groove, are equipped with adhesive in fixing groove, the concrete sample is shelved on the collet
On, the single fiber below concrete sample is inserted into fixing groove, and is clamped by fixing bolt.
The operating method of the device of above-mentioned single fiber puller system fixing concrete sample, includes the following steps：
1) according to the size for the concrete sample that need to be placed, each scantling of selecting device, the quarter identified according to transverse slat
Rail plate is spent to graduation position, adjusted position is fixed with guide-rail brake, to meet the lateral dimension of concrete sample；
2) according to the vertical dimension for the concrete sample that need to be placed, it is determined whether need and need several vertical extension tune
Component is saved, if vertical extension adjustment means meet the vertical dimension of concrete sample, by vertical extension adjustment means lower part
Collet by rotatable hinge to turning over 90 degree on the inside of device, fixed strip is inserted into the hole of vertical extension adjustment means,
Collet is fixed, in vertical state with device side, to have the function that support concrete sample；
3) it is required as concrete sample needs multiple vertical extension adjustment means superpositions that could meet size, adjacent is vertical
The contact position of length adjustment component is equipped with the corresponding bell and spigot in position, and is bolted to one by being inserted into socket joint in bell and spigot
It rises；It repeats above operation, required vertical extension adjustment means is connected in turn, it, will be bottom after reaching size requirement
Fixed strip is inserted into two holes of vertical extension adjustment means by the collet of vertical extension adjustment means to 90 degree of rotation on the inside of device
In so that collet is vertical with device side；
4) concrete is shelved on the inside of assembled device, it is symmetrically placed according to the scale on collet, it is mixed by being placed with
The device of solidifying soil sample is connected by the force snesor of pull rod and electronic mono-fiber strength machine on lateral length adjustment means transverse slat
It connects, fiber grips are fixed on lifting platform, start instrument, and fiber grips reach setting position with lifting platform, single fiber is put into
Have in the fixing groove of adhesive to drop, tightens fixing bolt and clamp single fiber, start single fiber pull-out test.
Advantageous effect：The present invention is made using carbon fibre composite, and intensity is high, and proportion is small, light structure, operation letter
It is single.The fixture that electronic mono-fiber strength machine is connected with force snesor can be changed into the present invention, play the work of fixing concrete sample
With making instrument under the premise of not doing big change, be used widely, especially PVA single fibers pull-out test.The present invention is lateral
Length adjustment component, vertical extension adjustment means, rotation collet, fiber grips adjust setting successively, universal hinge, pull rod, guide rail,
The setting of bell and spigot frame solves the pull-out test that electronic mono-fiber strength machine cannot carry out fiber implantation concrete test block, good
Solve the needles of various sizes requirement for adapting to concrete sample well, it is simple to operate, concrete sample can be made in items
It can keep stablizing in the measurement of index, improve experiment precision and test efficiency, reduce influence of the error to structure.
Description of the drawings
Fig. 1 is the overall detail view of the present invention；
Fig. 2 is the fiber grips detail view of the present invention；
Fig. 3 is the overall side figure of the present invention；
Fig. 4 is the overall frontside figure of the present invention；
Fig. 5 is the bottom vertical extension adjustment means detail drawing of the present invention；
Fig. 6 is the guide rail detail drawing of the present invention；
Fig. 7 is the usage state diagram of the present invention.
In figure：1- lateral length adjustment means；2- pull rods；The universal hinges of 3-；4- guide-rail brakes；5- guide rails；6- transverse slats；7-
The top vertical extension adjustment means；8- collets；The bottoms 9- vertical extension adjustment means；10- socket joint bolts；11- bell and spigots；
12- rotates hinge；13- fixed strips；14- angle mounting holes；15- fiber grips；16- fixing grooves；17- fixing bolts；18- concrete
Sample；19- single fibers.
Specific implementation mode
The present invention is described further with reference to the accompanying drawings and detailed description.
As shown in figs. 1-7, a kind of device of single fiber puller system fixing concrete sample, including lateral length adjust structure
Part 1, vertical extension adjustment means, fiber grips 15, concrete sample 18 and single fiber 19；
The lateral length adjustment means 1 are located at the top of concrete sample 18, and lateral length adjustment means 1 are arranged above
Have a universal hinge 3, universal hinge 3 can flexible rotating, pull rod 2 is set in universal hinge 3, the power of pull rod 2 and electronic mono-fiber strength machine passes
Sensor connects；
The vertical extension adjustment means are located at the both sides of concrete sample 18, are one per side vertical extension adjustment means
Or it is multiple；
When vertical extension adjustment means are one：Vertical extension adjustment means top is equipped with transverse slat 6, the transverse slat 6
It is connect with the lateral length adjustment means 1 by guide rail 5, guide rail 5 passes through 4 fixed position of guide-rail brake；Transverse slat 6 is set above
It is equipped with scale, can determine application position according to scale；Vertical extension adjustment means bottom carries out 90 by rotating hinge 12
Degree is rotated into collet 8, and vertical extension adjustment means are equipped with angle mounting hole 14, and collet 8 is inserted into angle by fixed strip 13 and consolidates
The mode for determining hole 14 is fixed；
When vertical extension adjustment means are multiple：Multiple vertical extension adjustment means longitudinal stacks link together, adjacent
Vertical extension adjustment means contact position be equipped with the corresponding bell and spigot 11 in position, and pass through in bell and spigot 11 be inserted into socket joint spiral shell
Bolt 10 links together；Uppermost 7 top of vertical extension adjustment means is equipped with transverse slat 6, and the transverse slat 6 passes through guide rail 5 and institute
The connection of lateral length adjustment means 1 is stated, guide rail 5 passes through 4 fixed position of guide-rail brake；Transverse slat 6 is provided with scale above, can root
Application position is determined according to scale；Nethermost 9 bottom of vertical extension adjustment means is rotated by rotating 90 degree of the progress of hinge 12
Collet 8, vertical extension adjustment means are equipped with angle mounting hole 14, and collet 8 is inserted into angle mounting hole 14 by fixed strip 13
Mode is fixed；
The fiber grips 15 are fixed on the lifting platform of electronic mono-fiber strength machine, and fiber grips 15 rotate for universal hinge
Mode, 15 top of fiber grips are provided with fixing groove 16, are equipped with adhesive in fixing groove 16, the concrete sample 18 is shelved on
On the collet 8, the single fiber 19 below concrete sample 18 is inserted into fixing groove 16, and is clamped by fixing bolt 17.
The operating method of the device of above-mentioned single fiber puller system fixing concrete sample, includes the following steps：
1) according to the size for the concrete sample that need to be placed, each scantling of selecting device, the quarter identified according to transverse slat
Rail plate is spent to graduation position, adjusted position is fixed with guide-rail brake, to meet the lateral dimension of concrete sample；
2) according to the vertical dimension for the concrete sample that need to be placed, it is determined whether need and need several vertical extension tune
Component is saved, if vertical extension adjustment means meet the vertical dimension of concrete sample, by vertical extension adjustment means lower part
Collet by rotatable hinge to turning over 90 degree on the inside of device, fixed strip is inserted into the hole of vertical extension adjustment means,
Collet is fixed, in vertical state with device side, to have the function that support concrete sample；
3) it is required as concrete sample needs multiple vertical extension adjustment means superpositions that could meet size, adjacent is vertical
The contact position of length adjustment component is equipped with the corresponding bell and spigot in position, and is bolted to one by being inserted into socket joint in bell and spigot
It rises；It repeats above operation, required vertical extension adjustment means is connected in turn, it, will be bottom after reaching size requirement
Fixed strip is inserted into two holes of vertical extension adjustment means by the collet of vertical extension adjustment means to 90 degree of rotation on the inside of device
In so that collet is vertical with device side；
4) concrete is shelved on the inside of assembled device, it is symmetrically placed according to the scale on collet, it is mixed by being placed with
The device of solidifying soil sample is connected by the force snesor of pull rod and electronic mono-fiber strength machine on lateral length adjustment means transverse slat
It connects, fiber grips are fixed on lifting platform, start instrument, and fiber grips reach setting position with lifting platform, single fiber is put into
Have in the fixing groove of adhesive to drop, tightens fixing bolt and clamp single fiber, start single fiber pull-out test.
It should be pointed out that for those skilled in the art, without departing from the principle of the present invention,
Several improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.In the present embodiment not
The available prior art of specific each component part is realized.
Claims (2)
1. a kind of device of single fiber puller system fixing concrete sample, it is characterised in that：Including lateral length adjustment means,
Vertical extension adjustment means, fiber grips, concrete sample and single fiber；
The lateral length adjustment means are located at the top of concrete sample, are provided with above lateral length adjustment means universal
It cuts with scissors, pull rod is set in universal hinge, pull rod is connect with the force snesor of electronic mono-fiber strength machine；
The vertical extension adjustment means are located at the both sides of concrete sample, are one or more per side vertical extension adjustment means
It is a；
When vertical extension adjustment means are one：Vertical extension adjustment means top is equipped with transverse slat, and the transverse slat is by leading
Rail is connect with the lateral length adjustment means, and guide rail passes through guide-rail brake fixed position；Scale is provided with above transverse slat；Institute
It states vertical extension adjustment means bottom and is rotated into collet by rotating 90 degree of hinge, vertical extension adjustment means are solid equipped with angle
Determine hole, collet is fixed in such a way that fixed strip is inserted into angle mounting hole；
When vertical extension adjustment means are multiple：Multiple vertical extension adjustment means longitudinal stacks link together, and adjacent is perpendicular
It is equipped with the corresponding bell and spigot in position to the contact position of length adjustment component, and is bolted to by being inserted into socket joint in bell and spigot
Together；Uppermost vertical extension adjustment means top is equipped with transverse slat, and the transverse slat is adjusted by guide rail and the lateral length
Component connects, and guide rail passes through guide-rail brake fixed position；Scale is provided with above transverse slat；Nethermost vertical extension adjusts structure
Part bottom is rotated into collet by rotating 90 degree of hinge, and vertical extension adjustment means are equipped with angle mounting hole, and collet passes through solid
The mode for determining item insertion angle mounting hole is fixed；
The fiber grips are fixed on the lifting platform of electronic mono-fiber strength machine, and fiber grips are universal hinge rotating manner, fine
Dimension fixture top is provided with fixing groove, is equipped with adhesive in fixing groove, the concrete sample is shelved on the collet, coagulation
Single fiber below soil sample is inserted into fixing groove, and is clamped by fixing bolt.
2. the operating method of the device of single fiber puller system fixing concrete sample according to claim 1, feature
It is, includes the following steps：
1）According to the size for the concrete sample that need to be placed, each scantling of selecting device is slided according to the scale of transverse slat mark
Dynamic guide rail fixes adjusted position, to meet the lateral dimension of concrete sample to graduation position with guide-rail brake；
2）According to the vertical dimension for the concrete sample that need to be placed, it is determined whether need and need several vertical extensions to adjust structure
Part, if vertical extension adjustment means meet the vertical dimension of concrete sample, by the bottom of vertical extension adjustment means lower part
Support turns over 90 degree by rotatable hinge to device inside, fixed strip is inserted into the hole of vertical extension adjustment means, fixed
Firmly collet, in vertical state with device side, to have the function that support concrete sample；
3）As concrete sample needs multiple vertical extension adjustment means superpositions that could meet size requirement, adjacent vertical extension
The contact position of adjustment means is equipped with the corresponding bell and spigot in position, and is bolted together by being inserted into socket joint in bell and spigot；
It repeats above operation, required vertical extension adjustment means is connected in turn, it, will be bottom vertical after reaching size requirement
Fixed strip is inserted into 90 degree of rotation on the inside of device in two holes of vertical extension adjustment means by the collet of length adjustment component,
So that collet is vertical with device side；
4）Concrete is shelved on the inside of assembled device, it is symmetrically placed according to the scale on collet, concrete will be placed with
The device of sample is connect by the pull rod on lateral length adjustment means transverse slat with the force snesor of electronic mono-fiber strength machine, fine
Dimension fixture is fixed on lifting platform, starts instrument, and fiber grips reach setting position with lifting platform, and single fiber, which is put into drop, to be had
In the fixing groove of adhesive, tightens fixing bolt and clamp single fiber, start single fiber pull-out test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711440101.0A CN108562488B (en) | 2017-12-27 | 2017-12-27 | Device for fixing concrete sample by single fiber tensile machine and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711440101.0A CN108562488B (en) | 2017-12-27 | 2017-12-27 | Device for fixing concrete sample by single fiber tensile machine and operation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108562488A true CN108562488A (en) | 2018-09-21 |
| CN108562488B CN108562488B (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711440101.0A Active CN108562488B (en) | 2017-12-27 | 2017-12-27 | Device for fixing concrete sample by single fiber tensile machine and operation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612824A (en) * | 2018-12-03 | 2019-04-12 | 佛山科学技术学院 | A kind of easy positioning mold for reinforcing bar pull-out test |
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|---|---|---|---|---|
| SU1245925A1 (en) * | 1985-02-01 | 1986-07-23 | Харьковский Филиал Всесоюзного Научно-Исследовательского Института Литейного Машиностроения,Литейной Технологии, Автоматизации Литейного Производства | Gripper for break testing of specimens with shape like figure of eight |
| CN203164048U (en) * | 2013-04-12 | 2013-08-28 | 长安大学 | Asphalt mixture direct tensile testing device for avoiding eccentric tension |
| CN204116131U (en) * | 2014-08-29 | 2015-01-21 | 盐城工学院 | A kind of multifunctional stretching fixture |
| CN104792613A (en) * | 2015-05-08 | 2015-07-22 | 沈阳工业大学 | Rectangular pyramid concrete tensile specimen clamp |
| CN107036901A (en) * | 2017-04-28 | 2017-08-11 | 武汉大学 | A kind of monofilament pull-out test device for applying lateral pressure |
-
2017
- 2017-12-27 CN CN201711440101.0A patent/CN108562488B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1245925A1 (en) * | 1985-02-01 | 1986-07-23 | Харьковский Филиал Всесоюзного Научно-Исследовательского Института Литейного Машиностроения,Литейной Технологии, Автоматизации Литейного Производства | Gripper for break testing of specimens with shape like figure of eight |
| CN203164048U (en) * | 2013-04-12 | 2013-08-28 | 长安大学 | Asphalt mixture direct tensile testing device for avoiding eccentric tension |
| CN204116131U (en) * | 2014-08-29 | 2015-01-21 | 盐城工学院 | A kind of multifunctional stretching fixture |
| CN104792613A (en) * | 2015-05-08 | 2015-07-22 | 沈阳工业大学 | Rectangular pyramid concrete tensile specimen clamp |
| CN107036901A (en) * | 2017-04-28 | 2017-08-11 | 武汉大学 | A kind of monofilament pull-out test device for applying lateral pressure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612824A (en) * | 2018-12-03 | 2019-04-12 | 佛山科学技术学院 | A kind of easy positioning mold for reinforcing bar pull-out test |
| CN109612824B (en) * | 2018-12-03 | 2021-02-19 | 佛山科学技术学院 | Simple and convenient positioning die for steel bar drawing test |
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| Publication number | Publication date |
|---|---|
| CN108562488B (en) | 2020-06-19 |
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