CN106706445A - Experiment table for testing bending strength of stone and method for testing bending strength of stone - Google Patents
Experiment table for testing bending strength of stone and method for testing bending strength of stone Download PDFInfo
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- CN106706445A CN106706445A CN201611129363.0A CN201611129363A CN106706445A CN 106706445 A CN106706445 A CN 106706445A CN 201611129363 A CN201611129363 A CN 201611129363A CN 106706445 A CN106706445 A CN 106706445A
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- support base
- stone material
- bending strength
- support seat
- left support
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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
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- 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
- G01N2203/0023—Bending
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses an experiment table for testing the bending strength of a stone. An upper guide rail is arranged at the upper part of a lower guide rail; an upper left support seat and an upper right support seat are arranged at two ends of the upper guide rail separately and are in sliding fit with the upper guide rail; a lower left support seat and a lower right support seat are located at two ends of the lower guide rail separately and are in sliding fit with the lower guide rail; a dividing ruler is arranged on the lower guide rail; locating devices are arranged between the upper left support seat and the lower guide rail, between the upper right support seat and the upper guide rail, between the lower left support seat and the lower guide rail and between the lower right support seat and the lower guide rail; the locating devices are used for fastening relative positions of the support seats and the corresponding guide rails; and the experiment table for testing the bending strength of the stone also comprises a lifting device for driving the upper guide rail to move up and down. The invention further discloses a method for testing the bending strength of the stone. The experiment table has the advantages that the upper support seats and the lower support seats are prevented from moving in a test, the distances between the support seats can be quickly adjusted and the positions between the support seats are located on a straight line and test data are accurate.
Description
Technical field
The present invention relates to stone material bending strength technical field of measurement and test, more particularly to a kind of stone material bending strength test experiment
Platform, the method for stone material bending strength test.
Background technology
When stone material bending test is done, such as using GB/T 9966.2-2001, the distance of undersetting and upper bracket is basis
The difference of stone material thickness is adjusted.This experiment is done in ordinary test room two methods, and one kind is hold-down support mould；One
It is independent floor support mould to plant.Need to be equipped with the accessory of much difference offset distance if using if hold-down support mould, make experiment
Cost increases.If using independent floor support because without scale and guide rail, the position between support distance and bearing is
It is no to be point-blank difficult control, it is adjusted in place immediately, the light touch in process of the test may result in the movement of bearing,
Have influence on final test data.
The content of the invention
The present invention is in view of the shortcomings of the prior art, there is provided upper and lower bearing movement when one kind prevents test, support distance with
And the position between bearing point-blank, accurately a kind of stone material bending strength test experimental bench, stone material are curved for test data
The method of bent strength test.
The present invention realizes solving above-mentioned technical problem by following technological means：A kind of stone material bending strength test is real
Test platform, including upper left support seat, upper right support base, bottom left support base, bottom right support base, upper rail, lower guideway；The upper rail
The top of the lower guideway is arranged on, the upper left support seat, upper right support base are separately positioned on the two ends of the upper rail simultaneously
Be slidably matched with the upper rail, the bottom left support base, bottom right support base be separately positioned on the two ends of the lower guideway and with
The lower guideway is slidably matched；Graduated scale is provided with the lower guideway；Upper left support seat and the upper rail between, on
Between right support seat and the upper rail, between bottom left support base and the lower guideway, bottom right support base and the lower guideway
Between be provided with positioner, the positioner is to fastening support seat and the relative position between corresponding guide rail；It is described
Stone material bending strength test experimental bench also includes being used to the lowering or hoisting gear for driving the upper rail to move up and down.
Preferably：The bottom of the upper rail is provided with T-shaped gathering sill, is provided with T-shaped gathering sill on described
Left slider, upper right sliding block；The upper left slider, upper right sliding block are slidably matched in the spacing T-shaped gathering sill on described；
The bottom of the upper left slider is connected with the top of the upper left support seat, and the bottom of the upper right sliding block is upper right with described
The top connection of support base；The bottom of the lower guideway is provided with lower T-shaped gathering sill, is provided with the lower T-shaped gathering sill
Lower left slider, bottom right sliding block；The lower left slider, bottom right sliding block are slidably matched spacing in the lower T-shaped gathering sill；Institute
The top for stating lower left slider is connected with the bottom of the bottom left support base, the top of the bottom right sliding block and the lower right support
Bottom connects.
Preferably：The front and back sides of the upper rail offer preceding upper locating slot, go up locating slot afterwards respectively, described preceding fixed
Position groove, afterwards upper locating slot are connected with the upper T-shaped gathering sill；The front and back sides of the lower guideway offer front lower positioning respectively
Groove, locating slot is descended afterwards, the front lower locating slot, afterwards lower locating slot are connected with the lower T-shaped gathering sill；The positioner bag
Screw rod, nut are included, the internal thread groove being adapted to the screw rod is provided with all sliding blocks；One end of the screw rod passes through correspondence
Locating slot can be threadedly coupled with corresponding sliding block internal thread groove, and the other end of the screw rod exposes to correspondence locating slot and is rotary with institute
State nut.
Preferably：Left sliding sleeve, upper right sliding sleeve are arranged with the upper rail；The upper left sliding sleeve and upper left support seat
Connection, the upper right sliding sleeve is connected with the upper right support base；The bottom left support base, bottom right support base be set in it is described under lead
The outside of rail；Left sliding sleeve, upper right sliding sleeve, bottom left support base, bottom right support base offer internal thread hole described, described fixed
Position device includes bolt, and the bolt is screwed in into corresponding internal thread hole.
Preferably：The upper left support seat, upper right support base are semi-cylindrical, the bottom left support base, lower right support
The L-shaped block of semicolumn block and lower end of the seat including upper end.
Preferably：The lowering or hoisting gear includes push rod, oil cylinder, one kind of cylinder.
Preferably：The lowering or hoisting gear is connected with the console of omnipotent mechanics machine, and the console is used to drive institute
State lowering or hoisting gear motion.
A kind of method that stone material bending strength test is carried out with experimental bench using above-mentioned stone material bending strength test, including
Following steps：
（1）Stone material is cut into prescribed level according to the rules；
（2）Regulation upper and lower rails between vertical interval, upper left support seat and upper right support base between level interval and under
Level interval between left support seat and bottom right support base；
（3）Stone material after being cut into be placed on the upper left support seat, upper right support base, bottom left support base, bottom right support base it
Between；
（4）Firing test machine applies downward stress to stone material；
（5）After stone material destruction, failing load is recorded；After experiment is finished, each sample bending strength and average value are calculated.
The advantage of the invention is that：The present invention is improved on independent floor support mold foundation, is equipped with upper and lower bearing
Guide rail, and graduated scale is set on lower guideway, the quick adjustment of support distance in process of the test can be accomplished, it is ensured that bearing
It is in all the time on straight line position in process of the test, it is ensured that the degree of accuracy of test data.Further, since positioner
Set, effectively prevent the relative movement of the bearing in process of the test.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is for above left slider is fastened on the structural representation under upper rail state in the embodiment of the present invention 1.
Fig. 3 is for left slider is fastened on the structural representation under lower guideway state down in the embodiment of the present invention 1.
Fig. 4 is the structural representation of the embodiment of the present invention 2.
Fig. 5 is for above left sliding sleeve is fastened on the structural representation under upper rail state in the embodiment of the present invention 2.
Fig. 6 is that bottom left support base is fastened on structural representation under lower guideway state in the embodiment of the present invention 2.
Fig. 7 is the structural representation that the present invention is assemblied under omnipotent mechanics machine state.
Specific embodiment
To further describe the present invention, it is described further with reference to embodiment.
Embodiment 1
As Figure 1-3, the present invention discloses a kind of stone material bending strength test experimental bench, including upper left support seat 1, upper right branch
Support seat 2, bottom left support base 3, bottom right support base 4, upper rail, lower guideway.Upper rail is arranged on the top of lower guideway, upper left support
Seat 1, upper right support base 2 is separately positioned on the two ends of upper rail and is slidably matched with upper rail, bottom left support base 3, lower right support
Seat 4 is separately positioned on the two ends of lower guideway and is slidably matched with lower guideway.Graduated scale is provided with lower guideway（Do not drawn in figure
Go out）, the scale direction of graduated scale is parallel with the guide direction of lower guideway.Upper left support seat 1 and upper rail between, on right support
Between seat 2 and upper rail, between bottom left support base 3 and lower guideway, positioning is provided between bottom right support base 4 and lower guideway
Device 7, positioner 7 is to fastening support seat and the relative position between corresponding guide rail.The test of stone material bending strength is tested
Platform also includes being used to the lowering or hoisting gear 8 for driving upper rail to move up and down.The lift side of lowering or hoisting gear 8 is contacted with upper rail.
In certain embodiments：The bottom of upper rail is provided with T-shaped gathering sill 51, is set in upper T-shaped gathering sill 51
There are upper left slider 91, upper right sliding block.Upper left slider 91, upper right sliding block are slidably matched spacing in upper T-shaped gathering sill 51.
Because the structure of upper left slider, upper right sliding block is identical, the embodiment of the present invention is labeled to upper left slider, introduces,
Upper right sliding block refers to upper left slider.
The top of the bottom of upper left slider 91 and upper left support seat 1 is connected, the bottom of upper right sliding block and upper right support base
Top connects.
The bottom of lower guideway is provided with lower T-shaped gathering sill 61, be provided with lower T-shaped gathering sill 61 lower left slider 92, under
Right sliding block.Lower left slider 92, bottom right sliding block are slidably matched spacing in lower T-shaped gathering sill 61.
Because the structure of lower left slider, bottom right sliding block is identical, the embodiment of the present invention is labeled to lower left slider, introduces,
Bottom right sliding block refers to lower left slider.
The top of lower left slider 92 is connected with the bottom of bottom left support base 3, top and the bottom right support base of bottom right sliding block
Bottom connects.
The front and back sides of upper rail offer preceding upper locating slot 52, go up locating slot afterwards respectively（Do not marked in figure）, it is preceding fixed
Position groove 52, afterwards upper locating slot are connected with upper T-shaped gathering sill 51.The front and back sides of lower guideway offer front lower locating slot respectively
62nd, locating slot is descended afterwards（Do not marked in figure）, front lower locating slot 62, afterwards lower locating slot are connected with lower T-shaped gathering sill 61.Positioning dress
Putting 7 includes screw rod 71, nut 72, and the internal thread groove being adapted to screw rod 71 is provided with all sliding blocks.Wear one end of screw rod 71
Crossing corresponding locating slot can be threadedly coupled with corresponding sliding block internal thread groove, and the other end of screw rod 71 exposes to correspondence locating slot and rotation
There is nut 72.
Due to upper left support seat 1, upper right support base 2 of the invention, bottom left support base 3, the slip of bottom right support base 4, tight
Guyuan reason it is identical, the present embodiment to upper left support seat 1 slip, fastening principle be introduced.
By sliding screw 71 so that screw rod 71 is along preceding upper locating slot 52, upper locating slot is moved left and right afterwards, so as to drive
Upper left slider 91 is moved left and right along upper T-shaped gathering sill 51,1 movement in the horizontal direction of left support seat in drive.Similarly, also can
Realize that upper right support base 2, bottom left support base 3, bottom right support base 4 are moved horizontally, thus realize to upper left support seat 1 with it is upper right
The regulation of level interval between support base 2, between bottom left support base 3 and bottom right support base 4.After position adjustments, then by by spiral shell
Female 72 screw to preceding upper locating slot 52 or rear upper locating slot on the outside of the position that is adjacent to, increase nut 72 and corresponding locating slot it
Between friction, upper left slider 91 is fastened into position after adjustment, increase its resistance to sliding, prevent its from being slided in test, from
And realize the fixation to 1 position of upper left support seat.Similarly, realize to upper right support base 2, bottom left support base 3, bottom right support base 4
Fixation.
Embodiment 2
As Figure 4-Figure 6, the present invention discloses a kind of stone material bending strength test experimental bench, including upper left support seat 1, upper right branch
Support seat 2, bottom left support base 3, bottom right support base 4, upper rail 5, lower guideway 6.Upper rail 5 is arranged on the top of lower guideway 6, a upper left side
Support base 1, upper right support base 2 are separately positioned on the two ends of upper rail 5 and are slidably matched with upper rail 5, bottom left support base 3, under
Right support seat 4 is separately positioned on the two ends of lower guideway 6 and is slidably matched with lower guideway 6.Graduation mark is carved with lower guideway 6, is carved
Degree direction is parallel with the guide direction of lower guideway.Between upper left support seat 1 and upper rail 5, upper right support base 2 and upper rail 5
Between, between bottom left support base 3 and lower guideway 6, between bottom right support base 4 and lower guideway 6 be provided with positioner 7, it is fixed
Position device 7 is to fastening support seat and the relative position between corresponding guide rail.Stone material bending strength test experimental bench also includes
It is used to the lowering or hoisting gear 8 for driving upper rail 5 to move up and down.The lift side of lowering or hoisting gear 8 is contacted with upper rail 5.
In some embodiments：Left sliding sleeve 121, upper right sliding sleeve 122 are arranged with the upper rail 5；Upper left sliding sleeve
121 are connected with upper left support seat 1, and upper right sliding sleeve 122 is connected with upper right support base 2.Bottom left support base 3, bottom right support base 4 are arranged
In the outside of lower guideway 6.Interior spiral shell is offered in upper left sliding sleeve 121, upper right sliding sleeve 122, bottom left support base 3, bottom right support base 4
Pit, positioner 7 includes bolt, and bolt is screwed in into corresponding internal thread hole.
The present embodiment is introduced to the upper left support seat 1, slip of bottom left support base 3, fastening principle.By sliding a upper left side
Sliding sleeve 121 so that it is moved along upper rail 5,1 level of left support seat is moved left and right in drive；After position adjustments, by tightening
Bolt pushes against upper rail 5 to it, and the resistance to sliding of left sliding sleeve 121 in increase prevents it from being slided in test, so as to realize to a upper left side
The fixation of the position of support base 1.Similarly realize slip, the fastening of upper right support base 2.
By sliding bottom left support base 3 so that it is moved along lower guideway 6, realize that level of bottom left support base 3 or so is moved
It is dynamic；After position adjustments, lower guideway 6 is pushed against to it by tightening bolt, the resistance to sliding of left sliding sleeve 121 in increase prevents it from surveying
Slided during examination, so as to realize the fixation to the position of bottom left support base 3.Similarly realize slip, the fastening of bottom right support base 4.
In some embodiments：Upper left support seat 1, upper right support base 2 is semi-cylindrical, bottom left support base 3, bottom right branch
The L-shaped block of semicolumn block and lower end of the support seat 4 including upper end.
In some embodiments：Lowering or hoisting gear 8 includes push rod, oil cylinder, one kind of cylinder.Preferably electric pushrod, servo
Oil cylinder, servo cylinder.
As shown in fig. 7, in some embodiments：Lowering or hoisting gear 8 is connected with the console 101 of omnipotent mechanics machine, control
Platform processed 101 is used to drive lowering or hoisting gear 8 to move.
By manually the input test data in the control panel of console, such as thickness of stone material 9, driven by console
Lowering or hoisting gear 8 is moved, so as to drive upper rail 5 to move up and down, adjusts the spacing of upper and lower rails 6, improves automaticity.
It is of course also possible to control on/off to control falling unit movement degree by workman, between realizing upper and lower rails 6
Away from regulation.
Embodiment 3
The method that a kind of test of stone material bending strength carries out stone material bending strength test with experimental bench, comprises the following steps：
（1）Stone material is cut into prescribed level according to the rules.
（2）Regulation upper and lower rails between vertical interval, upper left support seat and upper right support base between level interval with
And the level interval between bottom left support base and bottom right support base.
（3）Stone material after being cut into be placed on bottom left support base, bottom right support base, bottom left support base, bottom right support base it
Between.
（4）Start omnipotent mechanics machine and downward stress is applied to stone material.
（5）After stone material destruction, failing load is recorded.After experiment is finished, according to PW =3FL/4KH2Calculate each sample bending strong
Degree, then average.
Wherein, Pw represents bending strength, Mpa；F represents sample breaking load（Stress）, N；L represents distance between fulcrum
（The distance between bottom left support base fulcrum and bottom right support base fulcrum）, mm；K represents the width of sample, mm；H represents that sample is thick
Degree, mm.Using every group of arithmetic mean of instantaneous value of sample bending strength as bending strength, the numerical value revision of the convention to 1Mpa.
Omnipotent mechanics machine of the invention can be the omnipotent mechanics examination of Yangzhou Hua Hui detecting instruments Co., Ltd production
Test machine, or other existing omnipotent mechanics machines.
The preferred embodiment of the invention is these are only, creation is not intended to limit the invention, it is all in the present invention
Any modification, equivalent and improvement made within the spirit and principle of creation etc., should be included in the guarantor of the invention
Within the scope of shield.
Claims (8)
1. a kind of stone material bending strength test experimental bench, it is characterised in that：Including upper left support seat, upper right support base, bottom left
Support base, bottom right support base, upper rail, lower guideway；The upper rail is arranged on the top of the lower guideway, the upper left support
Seat, upper right support base are separately positioned on the two ends of the upper rail and are slidably matched with the upper rail, the bottom left support base,
Bottom right support base is separately positioned on the two ends of the lower guideway and is slidably matched with the lower guideway；Set on the lower guideway
There is graduated scale；On described between left support seat and the upper rail, between upper right support base and the upper rail, in bottom left branch
Between support seat and the lower guideway, positioner, the positioner are provided between bottom right support base and the lower guideway
To fastening support seat and the relative position between corresponding guide rail；Also include being used to the lifting for driving the upper rail to move up and down
Device.
2. a kind of stone material bending strength test experimental bench according to claim 1, it is characterised in that：The upper rail
Bottom is provided with T-shaped gathering sill, is provided with left slider, upper right sliding block in T-shaped gathering sill on described；The upper left cunning
Block, upper right sliding block are slidably matched in the spacing T-shaped gathering sill on described；
The bottom of the upper left slider is connected with the top of the upper left support seat, and the bottom of the upper right sliding block is upper right with described
The top connection of support base；The bottom of the lower guideway is provided with lower T-shaped gathering sill, is provided with the lower T-shaped gathering sill
Lower left slider, bottom right sliding block；The lower left slider, bottom right sliding block are slidably matched spacing in the lower T-shaped gathering sill；Institute
The top for stating lower left slider is connected with the bottom of the bottom left support base, the top of the bottom right sliding block and the lower right support
Bottom connects.
3. a kind of stone material bending strength test experimental bench according to claim 2, it is characterised in that：The upper rail
Front and back sides upper locating slot before offering respectively, go up locating slot afterwards, it is described before upper locating slot, rear above locating slot with the upper T
Shape gathering sill is connected；The front and back sides of the lower guideway offer front lower locating slot, descend locating slot afterwards respectively, the front lower positioning
Groove, afterwards lower locating slot are connected with the lower T-shaped gathering sill；The positioner includes screw rod, nut, is all provided with all sliding blocks
It is equipped with the internal thread groove being adapted to the screw rod；One end of the screw rod can be with the interior spiral shell of corresponding sliding block through correspondence locating slot
Groove is threadedly coupled, and the other end of the screw rod exposes to correspondence locating slot and is rotary with the nut.
4. a kind of stone material bending strength test experimental bench according to claim 1, it is characterised in that：In the upper rail
On be arranged with left sliding sleeve, upper right sliding sleeve；The upper left sliding sleeve is connected with upper left support seat, and the upper right sliding sleeve is upper right with described
Support base is connected；The bottom left support base, bottom right support base are set in the outside of the lower guideway；Described left sliding sleeve, on
Right sliding sleeve, bottom left support base, bottom right support base offer internal thread hole, and the positioner includes bolt, the bolt rotation
Enter into corresponding internal thread hole.
5. a kind of stone material bending strength test experimental bench according to claim 1, it is characterised in that：The upper left support
Seat, upper right support base are semi-cylindrical, semicolumn block including upper end of the bottom left support base, bottom right support base and under
The L-shaped block at end.
6. a kind of stone material bending strength test experimental bench according to claim 1, it is characterised in that：The lowering or hoisting gear
Including push rod, oil cylinder, cylinder one kind.
7. a kind of stone material bending strength test experimental bench according to claim 1 or 6, it is characterised in that：The lifting
Device is connected with the console of omnipotent mechanics machine, and the console is used to drive the lowering or hoisting gear to move.
8. a kind of stone material bending strength test using as described in claim any one of 1-7 carries out stone material bending with experimental bench by force
The method for spending test, it is characterised in that comprise the following steps：
（1）Stone material is cut into prescribed level according to the rules；
（2）Regulation upper and lower rails between vertical interval, upper left support seat and upper right support base between level interval and under
Level interval between left support seat and bottom right support base；
（3）Stone material after being cut into be placed on the upper left support seat, upper right support base, bottom left support base, bottom right support base it
Between；
（4）Firing test machine applies downward stress to stone material；
（5）After stone material destruction, failing load is recorded；After experiment is finished, each sample bending strength and average value are calculated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611129363.0A CN106706445A (en) | 2016-12-09 | 2016-12-09 | Experiment table for testing bending strength of stone and method for testing bending strength of stone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611129363.0A CN106706445A (en) | 2016-12-09 | 2016-12-09 | Experiment table for testing bending strength of stone and method for testing bending strength of stone |
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| Publication Number | Publication Date |
|---|---|
| CN106706445A true CN106706445A (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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|---|---|---|---|---|
| CN107271271A (en) * | 2017-06-30 | 2017-10-20 | 东南大学 | A kind of ancillary test device for being exclusively used in the research of small rod flexural property |
| CN108519286A (en) * | 2018-04-27 | 2018-09-11 | 中国信息通信研究院 | A kind of load test equipment and test method for chute |
| CN111272577A (en) * | 2020-02-17 | 2020-06-12 | Tcl华星光电技术有限公司 | Twisting device |
| CN114062157A (en) * | 2020-07-30 | 2022-02-18 | 宝山钢铁股份有限公司 | Aluminum alloy plate bending limit evaluation device capable of automatically adjusting gap |
| RU2770504C1 (en) * | 2021-08-03 | 2022-04-18 | Акционерное общество "Научно-исследовательский центр "Строительство", АО "НИЦ "Строительство" | Method for testing three-layer exterior walls (options) |
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