CN203069456U - Multifunctional concrete sample splitting and pulling device - Google Patents
Multifunctional concrete sample splitting and pulling device Download PDFInfo
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- CN203069456U CN203069456U CN 201320086334 CN201320086334U CN203069456U CN 203069456 U CN203069456 U CN 203069456U CN 201320086334 CN201320086334 CN 201320086334 CN 201320086334 U CN201320086334 U CN 201320086334U CN 203069456 U CN203069456 U CN 203069456U
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Abstract
The utility model discloses a multifunctional concrete sample splitting and pulling device which comprises a framework; a lower pressing plate is arranged below the framework; a vertically movable upper pressing plate is arranged above the framework; the lower end surface of the upper pressing plate is provided with an upper pressing plate surface; the upper end surface of the lower pressing plate is provided with a lower pressing plate surface; the upper pressing plate surface and the lower pressing plate surface are in contact with a sample positioned between the upper pressing plate surface and the lower pressing plate surface in a line mode; the framework is also relatively provided with a movable baffle plate capable of sliding to a clamping sample. According to the utility model, through the arrangement of the upper pressing plate, the multifunctional concrete sample splitting and pulling device can be applied to multiple samples with different specifications; the arranged movable baffle plate can fix the samples conveniently, and centring can be conveniently realized by matching with a scaleplate; the multifunctional concrete sample splitting and pulling device provided by the utility model can center, split and pull accurately concrete samples with multiple sizes; and the whole device is simple in structure, is small in volume, can move freely, can be used repeatedly, is convenient and flexible to load and control, the detected data correspond to actual conditions and meet the splitting and pulling test regulations.
Description
Technical field
The present invention relates to the test unit field of mechanical performance of concrete, particularly a kind of multifunctional concrete test specimen is split drawing device.
Background technology
Tensile strength is important mechanical parameters of concrete.At present, the test method of mensuration concrete tensile strength has axial tension method, beams of concrete bend test method and splits and draw test method(s).Prove that according to related data the measured intensity of axial tension method tallies with the actual situation most, but there is the difficulty of centering in this method; And the measured intensity of beams of concrete bend test method is often high a lot of than actual strength, so adopt cubes or right cylinder diametral compression test to measure concrete tensile strength at home and abroad more.Apply a pressure line load at cube or right cylinder, like this test specimen intermediate vertical interface near adding the force the very little scope, even level distribution tension.When tension reached concrete tensile strength, test specimen was split into two halves.Yet the concentration line load on the test specimen is difficult to apply, and centering is also relatively more difficult, is unfavorable for studying concrete tensile strength.
Chinese patent: 201020619738.3 disclose a kind of concrete splitting tensile test servicing unit, and by be provided with the baffle plate of " L " shape at the pressing plate diagonal angle, the pressing plate center line is provided with filler strip.Employing is carried out integrated design with filler strip and the pressing plate that meets design requirement, and fixedly there is baffle plate to be used to locate test specimen at pressing plate, cancelled the step of determining splitting-face position in the test specimen line during test, the error of human factor has improved test efficiency when having exempted line.Because up and down pressing plate adopts absolute construction, between connectionless structure, draw the test unit volume little so more existing cube is split, quality is light.The problem that exists is, this device can only be applicable to the test specimen of fixed measure, then needs to make the pressing plate of multiple size when relating to the test specimen of plurality of specifications size, and experimental cost is higher, and is also inconvenient.
Summary of the invention
Technical matters to be solved by this invention provides a kind of multifunctional concrete test specimen and splits drawing device, can be applicable to the test specimen of multiple different size easily, has improved the work efficiency of test and the accuracy of test result.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of multifunctional concrete test specimen is split drawing device, comprise framework, the framework below is provided with lower platen, the framework top is provided with the vertically top board of activity, the lower surface of top board is provided with the top board face, and the upper surface of lower platen is provided with the lower platen face, and top board face and lower platen face become line to contact with test specimen between described top board face and lower platen face;
Also relatively be provided with the shifting board that slidably is used for clamping test specimen in the described framework.
Xsect camber, V-arrangement or the U-shaped of described top board face and lower platen face.
Described framework is to have the rectangle frame of being convenient to observe with action pane, and lower platen is fixed on the bottom of framework, and top board is connected with chute on the framework side plate by the top board termination;
Shifting board is connected with threaded rod by bearing, and the threaded hole on threaded rod and the side plate forms threaded engagement.
In the described framework, connecting by many connecting links between the side plate, fixedlys connected with substrate in the side plate lower end, and lower platen is connected with substrate;
The side plate upper end is provided with chute, and the top board termination of chute and top board is slidingly matched;
Also be provided with the bolt connecting hole that is connected for the threaded rod bearing on the shifting board, the threaded hole on threaded rod and the side plate forms threaded engagement.
Described lower platen two ends are provided with the lower platen termination, and the lower platen termination forms with the notch of side plate lower end and cooperates.
Shifting board is provided with a plurality of for the sliding eye that is slidingly matched with connecting link, and the shifting board lower end has avoids the shifting board notch of interfering with the lower platen face.
Described top board termination is provided with two sidewalls that are slidingly matched with chute formation.
Described framework upper edge length is or/and Width is provided with the scale for centering.
A kind of multifunctional concrete test specimen provided by the invention is split drawing device, by movable top board is set, goes for the test specimen of multiple different size, the shifting board of setting can be easily fixing test specimen, cooperate scale, can realize centering easily.The present invention can carry out accurate centering to the concrete sample of multiple size and split and draw, and package unit is simple in structure, and volume is less, can move freely, and can be repeatedly used, Loading Control is convenient, flexible, record data and more tally with the actual situation, satisfy to split and draw the testing regulations requirement.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is perspective view of the present invention.
Fig. 2 is main TV structure synoptic diagram of the present invention.
Fig. 3 is plan structure synoptic diagram of the present invention.
Fig. 4 is side-looking structural representation of the present invention.
Fig. 5 is the structural representation of shifting board among the present invention.
Fig. 6 is the structural representation of threaded rod bearing among the present invention.
Among the figure: substrate 1, lower platen 2, top board 3, shifting board 4, side plate 5, threaded rod 6, connecting link 7 connects guide rod 8, top board termination 9, chute 10, top board face 11, lower platen face 12, lower platen termination 13, shifting board notch 14, sliding eye 15, bolt connecting hole 16, threaded hole 17, sidewall 18.
Embodiment
Embodiment 1:
In Fig. 1-5, a kind of multifunctional concrete test specimen is split drawing device, comprise framework, the framework below is provided with lower platen 2, the framework top is provided with the vertically top board 3 of activity, the lower surface of top board 3 is provided with top board face 11, and the upper surface of lower platen 2 is provided with lower platen face 12, and top board face 11 and lower platen face 12 become line to contact with test specimen between described top board face 11 and lower platen face 12; In the scheme of optimizing, xsect camber, V-arrangement or the U-shaped of described top board face 11 and lower platen face 12.In Fig. 1,4, the arc that adopts in this example.
In Fig. 1-3, also relatively be provided with the shifting board 4 that slidably is used for clamping test specimen in the described framework.
Described framework is to have the rectangle frame of being convenient to observe with action pane, and is not shown.Be fixed on the bottom of framework with reference to lower platen 2 as Fig. 1,2 as shown in, top board 3 passes through top board termination 9 and is connected with chute on the framework side plate.Structure when top board 3 is exerted pressure, can realize test specimen is applied a pressure line load thus.
In Fig. 2, shifting board 4 is connected with threaded rod 6 by bearing, and the threaded hole 17 on threaded rod 6 and the side plate forms threaded engagement.
Described framework upper edge length is or/and Width is provided with the scale for centering.
Embodiment 2:
On the basis of embodiment 1, frame part has been done further optimization.
In Fig. 1-4, in the described framework, connect by many connecting links 7 between the side plate 5, as shown in Fig. 1-3, the bottom has the two ends of two connecting links 7 to fixedly connected with side plate 5, also have top to also have the two ends of 4 connection guide rods 8 to fixedly connected with side plate 5, fixedlying connected with substrate 1 in side plate 5 lower ends, forms firm framework thus.Lower platen 2 is connected with substrate 1.
In Fig. 1, side plate 5 upper ends are provided with chute 10, and chute 10 is slidingly matched with the top board termination 9 of top board 3; In the scheme of optimizing, described top board termination 9 is provided with two sidewalls that are slidingly matched with chute 10 formation.Structure has improved the precision that top board 3 slides, the accuracy of alignment when guaranteeing to test thus.
In Fig. 5, also be provided with the bolt connecting hole 16 that is connected for threaded rod 6 bearings on the shifting board 4, structure thus forms rotatable and can not be along threaded rod 6 axially movable connected modes mutually between threaded rod 6 and the shifting board 4.Need to prove that rotation herein can be that rolling bearing also can be sliding bearing, bearing can be located in the bolt connecting hole 16, also can be the termination that is positioned at threaded rod 6, and as shown in Figure 6, the bearing among the figure is positioned at the termination of threaded rod 6.Structure described herein also can be used for embodiment 1.
Threaded hole 17 on threaded rod 6 and the side plate forms threaded engagement, is provided with handle in the outer end of threaded rod 6 usually, perhaps the butterfly sheet.Structure is rotated threaded rod 6 thus, and under the effect of the threaded hole 17 on the side plate, threaded rod 6 namely promotes shifting board 4 motions, because the existence of bearing, shifting board 4 can be along with threaded rod 6 rotations.
In Fig. 1,4, described lower platen 2 two ends are provided with lower platen termination 13, and lower platen termination 13 forms with the notch of side plate 5 lower ends and cooperates.Structure is thus further guaranteed the accuracy of alignment of lower platen 2.
In Fig. 5, shifting board 4 is provided with a plurality of for the sliding eye 15 that is slidingly matched with connecting link 7, and shifting board 4 lower ends have avoids the shifting board notch 14 of interfering with lower platen face 12.Structure guarantees that the slip of shifting board 4 is more smooth and easy thus, and in sliding process, can not be subjected to the influence of threaded rod 6 rotations.
Described framework upper edge length is or/and Width is provided with the scale for centering, and is not shown.Structure thus is convenient to the centering of test specimen.
Device of the present invention not only is suitable for the cube specimen of different size, also is applicable to the standard cylinder test specimen in the u.s. norm.When needs are split when drawing cube specimen, lower platen 2 is placed on substrate 1, lower platen termination 13 is by side plate 5 location, connecting link 7 passes the respective aperture on side plate 5 and the shifting board 4, rotation threaded rod 6 is fixed on test specimen by shifting board 4 middle of lower platen 2, install pressing plate 3, the top board termination 9 at top board 3 two ends is placed in the chute 10 of side plate 5.A whole set of test unit is placed on the omnipotent test pressure machine, is placed on the middle of pressing machine by the scale control device on the framework; The crossbeam of falling pressure machine is until compressing top board 3; Take out the connecting link 7 of side plate 5 both sides, the starting pressure machine loads, continuously equably until destruction.Splitting when drawing the standard cylinder test specimen, the shifting board 4 in the middle of only need unloading, connecting link 7 passes two corresponding holes, side plate 5 outsides, and all the other are operated with above-mentioned the same.
Claims (8)
1. a multifunctional concrete test specimen is split drawing device, comprise framework, it is characterized in that: the framework below is provided with lower platen (2), the framework top is provided with the vertically top board (3) of activity, the lower surface of top board (3) is provided with top board face (11), the upper surface of lower platen (2) is provided with lower platen face (12), and top board face (11) and lower platen face (12) become line to contact with the test specimen that is positioned between described top board face (11) and the lower platen face (12);
Also relatively be provided with the shifting board (4) that slidably is used for clamping test specimen in the described framework.
2. a kind of multifunctional concrete test specimen according to claim 1 is split drawing device, it is characterized in that: xsect camber, V-arrangement or the U-shaped of described top board face (11) and lower platen face (12).
3. a kind of multifunctional concrete test specimen according to claim 1 and 2 is split drawing device, it is characterized in that: described framework is to have the rectangle frame of being convenient to observe with action pane, lower platen (2) is fixed on the bottom of framework, and top board (3) is connected with chute on the framework side plate by top board termination (9);
Shifting board (4) is connected with threaded rod (6) by bearing, and the threaded hole (17) on threaded rod (6) and the side plate forms threaded engagement.
4. a kind of multifunctional concrete test specimen according to claim 1 and 2 is split drawing device, it is characterized in that: in the described framework, connecting by many connecting links (7) between the side plate (5), fixedlys connected with substrate (1) in side plate (5) lower end, and lower platen (2) is connected with substrate (1);
Side plate (5) upper end is provided with chute (10), and chute (10) is slidingly matched with the top board termination (9) of top board (3);
Also be provided with the bolt connecting hole (16) that is connected for threaded rod (6) bearing on the shifting board (4), the threaded hole (17) on threaded rod (6) and the side plate forms threaded engagement.
5. a kind of multifunctional concrete test specimen according to claim 4 is split drawing device, it is characterized in that: described lower platen (2) two ends are provided with lower platen termination (13), and lower platen termination (13) form with the notch of side plate (5) lower end and cooperate.
6. a kind of multifunctional concrete test specimen according to claim 4 is split drawing device, it is characterized in that: shifting board (4) is provided with a plurality of for the sliding eye (15) that is slidingly matched with connecting link (7), and shifting board (4) lower end has avoids the shifting board notch (14) of interfering with lower platen face (12).
7. a kind of multifunctional concrete test specimen according to claim 4 is split drawing device, it is characterized in that: described top board termination (9) is provided with two sidewalls that are slidingly matched with chute (10) formation.
8. a kind of multifunctional concrete test specimen according to claim 1 is split drawing device, it is characterized in that: described framework upper edge length is or/and Width is provided with the scale for centering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320086334 CN203069456U (en) | 2013-02-26 | 2013-02-26 | Multifunctional concrete sample splitting and pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320086334 CN203069456U (en) | 2013-02-26 | 2013-02-26 | Multifunctional concrete sample splitting and pulling device |
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| Publication Number | Publication Date |
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| CN203069456U true CN203069456U (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320086334 Expired - Fee Related CN203069456U (en) | 2013-02-26 | 2013-02-26 | Multifunctional concrete sample splitting and pulling device |
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| CN (1) | CN203069456U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149092A (en) * | 2013-02-26 | 2013-06-12 | 三峡大学 | Multifunctional concrete sample splitting device |
| CN106644691A (en) * | 2016-12-09 | 2017-05-10 | 安徽省建筑工程质量监督检测站 | Support leveling device for testing of splitting tensile strength and clamp thereof |
| CN106644723A (en) * | 2016-12-30 | 2017-05-10 | 三峡大学 | Freezing-thawing environment-based concrete splitting tension testing device |
| CN110243868A (en) * | 2019-06-13 | 2019-09-17 | 中铁六局集团有限公司 | A kind of portable concrete electric flux detector and application method |
-
2013
- 2013-02-26 CN CN 201320086334 patent/CN203069456U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149092A (en) * | 2013-02-26 | 2013-06-12 | 三峡大学 | Multifunctional concrete sample splitting device |
| CN103149092B (en) * | 2013-02-26 | 2016-02-17 | 三峡大学 | Drawing device split by multifunctional concrete test specimen |
| CN106644691A (en) * | 2016-12-09 | 2017-05-10 | 安徽省建筑工程质量监督检测站 | Support leveling device for testing of splitting tensile strength and clamp thereof |
| CN106644723A (en) * | 2016-12-30 | 2017-05-10 | 三峡大学 | Freezing-thawing environment-based concrete splitting tension testing device |
| CN110243868A (en) * | 2019-06-13 | 2019-09-17 | 中铁六局集团有限公司 | A kind of portable concrete electric flux detector and application method |
| CN110243868B (en) * | 2019-06-13 | 2021-11-02 | 中铁六局集团有限公司 | Portable concrete electric flux detector and use method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20170226 |