CN203396643U - Cube test block splitting test clamp - Google Patents
Cube test block splitting test clamp Download PDFInfo
- Publication number
- CN203396643U CN203396643U CN201320527591.9U CN201320527591U CN203396643U CN 203396643 U CN203396643 U CN 203396643U CN 201320527591 U CN201320527591 U CN 201320527591U CN 203396643 U CN203396643 U CN 203396643U
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- China
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- test block
- lower bolster
- plate
- upper padding
- padding plate
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Abstract
The utility model discloses a cube test block splitting test clamp which comprises an upper pad plate and a lower pad plate, wherein the upper pad plate is provided with an arced lower surface which protrudes downwards; vertical guide columns are respectively arranged on corners of the upper pad plate; the lower pad plate is provided with an arced upper surface which protrudes upwards; guide sleeves corresponding to the guide columns are respectively arranged on the corners of the lower pad plate; and the guide columns are sleeved with the guide sleeves. Due to adoption of the cube test block splitting test clamp disclosed by the utility model, heavy brackets on two sides are saved, and the upper pad plate and the lower pad plate are sleeved and positioned through the guide columns and the guide sleeves, therefore, the overall structure is simple, the weight is small, the operation is labor-saving and convenient, and meanwhile the cube test block splitting test clamp is applicable to pressure machines of different sizes, and is high in applicability.
Description
Technical field
The utility model relates to the fixture of solid material strength characteristics test, relates in particular to a kind of square test block diametral compression test fixture of concrete material tensile splitting strength test.
Background technology
Diametral compression test is that symmetry in diametric(al) applies and along Y, is uniformly distributed pressure and makes it to destroy by square or cylindrical rock sample, thereby measures a kind of test method of rock sample intensity.And concrete splitting tensile strength is a routine inspection project of normal concrete material mechanical performance test.In concrete splitting test for tensile strength, after generally sample workpiece being clamped by fixture, utilize pressing machine continuous load, until test specimen splitting is write down destruction lotus and exerted pressure, reach test purpose.Shown in Fig. 1, existing square test block diametral compression test fixture generally comprises support 30 ' and upper padding plate 10 ' and lower bolster 20 ', support 30 ' is provided with bayonet socket, described upper padding plate 10 ' is arranged between relative two stands 30 ', in the process of using, sample workpiece need to be placed between upper padding plate 10 ' and lower bolster 20 ', finally, the pressing plate of pressing machine is declined and is pressed in upper padding plate 10 ' above to exert pressure, the fixture of this structure, on the one hand, due to upper, lower bolster 10 ', 20 ' and support 30 ' self heavier, so comparatively heavy effort in moving process, very inconvenient, on the other hand, restriction due to two side stands 30 ', the pressing machine that part is relatively large number, its pressing plate is larger, by two side stands 30 ', is blocked, and can not directly decline and act on upper padding plate 10 ', must between the pressing plate of pressing machine and upper padding plate 10 ', increase other cushion blocks, therefore, its applicability is poor, applicable inconvenient.
Utility model content
The purpose of this utility model be to overcome deficiency of the prior art and provide a kind of simple in structure, easy to use, applicable to the square test block diametral compression test fixture of various sizes pressing machine.
The technical scheme that the utility model solution prior art problem adopts is: a kind of square test block diametral compression test fixture, it comprises
Upper padding plate, has the arc lower surface of downward protrusion, and the corner location of this upper padding plate is respectively equipped with vertical guide pillar;
Lower bolster, has curved upper surface protruding upward, and the corner location of this lower bolster is respectively equipped with the guide pin bushing corresponding with described guide pillar, and described guide pillar and described guide pin bushing socket-connect.
Below technique scheme is further elaborated:
Further, also comprise
Location-plate, has vertical locating surface, and this location-plate is provided with two collars, and described in two, the collar is socketed with two adjacent described guide pin bushings respectively, so that described location-plate is fixing in the horizontal direction.
Further, described in two the collar respectively with described lower bolster Width on two adjacent described guide pin bushings sockets.
Further, the arc radius of described curved upper surface and arc lower surface is 75mm.
Further, the thickness of described upper padding plate and lower bolster is 20mm, and the width of described upper padding plate and lower bolster is 80mm-120mm.
Further, along the distance between two guide pin bushings on described lower bolster length direction, be greater than 150mm.
Further, the guide pin bushing height on described lower bolster is less than 100mm.
Further, the length of described location-plate is 100mm or 150mm.
The beneficial effects of the utility model are: the square test block diametral compression test fixture that one, the utility model provide, with respect to existing fixture, two heavy side stands have been saved, between upper padding plate and lower bolster, adopt guide pillars and bushes socket location, so, its one-piece construction is simpler, and weight is lighter, at fixture, move in process more laborsaving convenience; , in use, only upper padding plate need to be raised, guide pillar is by upward sliding in guide pin bushing meanwhile, then square test block is positioned between upper padding plate and lower bolster, and without by upper padding plate directly from taking off, it is more convenient to operate, also more laborsaving; Two, with respect to existing fixture, owing to having saved support, in fixture of the present utility model, upper padding plate is positioned at extreme higher position, therefore, the pressing machine of any size, all can directly apply pressure on upper padding plate, therefore, its use is convenient, be applicable to the pressing machine of any different size, its applicability is stronger; Its three, the utility model also adopts a location-plate as the test block object of reference in when alignment location, is conducive to place fast test block, guarantees that test block accurately locates.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing splitting fixture;
Fig. 2 is the structural representation of the utility model embodiment;
The realization of the utility model object, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Below with reference to drawings and the specific embodiments, describe the technical solution of the utility model in detail, so as clearer, understand invention essence of the present utility model intuitively.
As shown in Figure 2, the utility model provides a kind of square test block diametral compression test fixture, in order to clamp square test block, and complete diametral compression test under pressing machine effect, this fixture comprises upper padding plate 10 and lower bolster 20, wherein, upper padding plate 10 has the arc lower surface of downward protrusion, and the corner location of this upper padding plate 10 is respectively equipped with vertical guide pillar 11; Corresponding, lower bolster 20 has curved upper surface protruding upward, the corner location of this lower bolster 20 is respectively equipped with the guide pin bushing 21 corresponding with described guide pillar 11, and described guide pillar 11 socket-connects with described guide pin bushing 21, so, between upper padding plate 10 and lower bolster 20, be formed with the space that can hold square test block, and upper padding plate 10 can move up or down, guide pillar 11 slides up and down in guide pin bushing 21, simultaneously, above-mentioned space can be moved and increases with upper padding plate 10 upper, moving down and reduce with upper padding plate 10.In process of the test, can first will on upper padding plate 10, move, square test block is positioned over to the space between upper padding plate 10 and lower bolster 20, now, the arc lower surface of upper padding plate 10 is clamped in the upper surface of square test block, pressing machine applied pressure is passed to the square test block of below, and the curved upper surface of lower bolster 20 is relative with above-mentioned arc lower surface, the lower surface of this curved upper surface and square test block supports.
In addition, also comprise location-plate 30, this location-plate 30 has vertical locating surface, this location-plate 30 is provided with two collars 31, described in two, the collar 31 is socketed with two adjacent described guide pin bushings 21 respectively, so that described location-plate 30 is fixing in the horizontal direction, preferably, described in two the collar 31 respectively with described lower bolster 20 Widths on two adjacent described guide pin bushings 21 sockets, certainly, be understandable that, can also be on described lower bolster 20 length directions a sheathed above-mentioned location-plate 30, so, in process of the test, when square test block is positioned over the space between upper padding plate 10 and lower bolster 20, with locating surface as a reference, square test block is positioned at middle, the side of square test block surrounding is parallel with the locating surface of corresponding location-plate 30.
In the present embodiment, the arc radius R of described curved upper surface and arc lower surface is 75mm.The thickness C of described upper padding plate 10 and lower bolster 20 is 20mm, the width A of described upper padding plate 10 and lower bolster 20 is 80mm-120mm, preferably, the width A of upper padding plate 10 and lower bolster 20 is 100mm left and right, along the distance B between two guide pin bushings 21 on described lower bolster 20 length directions, is greater than 150mm; Guide pin bushing height on described lower bolster is less than the height of square test block, general test block is highly 100mm, the height that is guide pin bushing is less than 100mm, and the length of location-plate is 100mm or two kinds of specifications of 150mm, and being adapted to length is 100mm and the test block of two kinds of different size squares of 150mm.
Fixture of the present utility model, in concrete process of the test, is specifically used step as follows:
The first step: first upper padding plate 10 is raised, made the height in the space of formation between upper padding plate 10 and lower bolster 20 be greater than square test block height;
Second step: square test block is positioned in the space between upper padding plate 10 and lower bolster 20, and the curved upper surface of the lower surface of square test block and lower bolster 20 offsets;
The 3rd step: with the locating surface on location-plate 30 as a reference, adjust test block, make the side of square test block parallel with locating surface, and the center line of test block and the center line of described lower bolster 20 are positioned at same perpendicular (projection substantially overlap) in the horizontal direction;
The 4th step: reduce upper padding plate 10, the arc lower surface of upper padding plate 10 and the upper surface of square test block are offseted;
The 5th step: press machine starts, the pressing plate on pressing machine declines, with the surperficial butt of upper padding plate 10, and continuous load, until square test block splitting is write down destruction lotus and is exerted pressure, off-test.
In sum, the square test block diametral compression test fixture that the utility model provides, first, with respect to existing fixture, two heavy side stands have been saved, between upper padding plate 10 and lower bolster 20, adopt guide pillar 11 and guide pin bushing 21 socket location, so, its one-piece construction is simpler, and weight is lighter, at fixture, move in process more laborsaving convenience; Meanwhile, in use, only upper padding plate 10 need to be raised, guide pillar 11 is by the interior upward sliding of guide pin bushing 21, then square test block is positioned between upper padding plate 10 and lower bolster 20, and without by upper padding plate 10 directly from taking off, it is more convenient to operate, also more laborsaving; Secondly, with respect to existing fixture, owing to having saved support, in fixture of the present utility model, upper padding plate 10 is positioned at extreme higher position, therefore, the pressing machine of any size, all can directly apply pressure on upper padding plate 10, therefore, its use is convenient, is applicable to the pressing machine of any different size, and its applicability is stronger; Again, the utility model also adopts a location-plate 30 as the test block object of reference in when alignment location, is conducive to place fast test block, guarantees that test block accurately locates.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. a square test block diametral compression test fixture, is characterized in that: it comprises
Upper padding plate, has the arc lower surface of downward protrusion, and the corner location of this upper padding plate is respectively equipped with vertical guide pillar;
Lower bolster, has curved upper surface protruding upward, and the corner location of this lower bolster is respectively equipped with the guide pin bushing corresponding with described guide pillar, and described guide pillar and described guide pin bushing socket-connect.
2. square test block diametral compression test fixture according to claim 1, is characterized in that: also comprise
Location-plate, has vertical locating surface, and this location-plate is provided with two collars, and described in two, the collar is socketed with two adjacent described guide pin bushings respectively, so that described location-plate is fixing in the horizontal direction.
3. square test block diametral compression test fixture according to claim 2, is characterized in that: described in two the collar respectively with described lower bolster Width on two adjacent described guide pin bushings sockets.
4. according to the square test block diametral compression test fixture described in any one in claims 1 to 3, it is characterized in that: the arc radius of described curved upper surface and arc lower surface is 75mm.
5. according to the square test block diametral compression test fixture described in any one in claims 1 to 3, it is characterized in that: the thickness of described upper padding plate and lower bolster is 20mm, the width of described upper padding plate and lower bolster is 80mm-120mm.
6. according to the square test block diametral compression test fixture described in any one in claims 1 to 3, it is characterized in that: along the distance between two guide pin bushings on described lower bolster length direction, be greater than 150mm.
7. according to the square test block diametral compression test fixture described in any one in claims 1 to 3, it is characterized in that: the guide pin bushing height on described lower bolster is less than 100mm.
8. according to the square test block diametral compression test fixture described in claim 2 or 3, it is characterized in that: the length of described location-plate is 100mm or 150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320527591.9U CN203396643U (en) | 2013-08-28 | 2013-08-28 | Cube test block splitting test clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320527591.9U CN203396643U (en) | 2013-08-28 | 2013-08-28 | Cube test block splitting test clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203396643U true CN203396643U (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320527591.9U Expired - Fee Related CN203396643U (en) | 2013-08-28 | 2013-08-28 | Cube test block splitting test clamp |
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| Country | Link |
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| CN (1) | CN203396643U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043876A (en) * | 2015-08-25 | 2015-11-11 | 张江涛 | Testing device for determining tensile strength of quasi-brittle material by bilinear splitting method |
| CN107477312A (en) * | 2017-08-31 | 2017-12-15 | 覃子衍 | A kind of hydraulic die cushion |
| CN111912708A (en) * | 2020-08-18 | 2020-11-10 | 山东联工检测设备有限公司 | Cement mortar splitting tensile test tool |
-
2013
- 2013-08-28 CN CN201320527591.9U patent/CN203396643U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043876A (en) * | 2015-08-25 | 2015-11-11 | 张江涛 | Testing device for determining tensile strength of quasi-brittle material by bilinear splitting method |
| CN105043876B (en) * | 2015-08-25 | 2018-02-16 | 张江涛 | Bilinearity split the law determines the experimental rig of quasi-brittle material tensile strength |
| CN107477312A (en) * | 2017-08-31 | 2017-12-15 | 覃子衍 | A kind of hydraulic die cushion |
| CN111912708A (en) * | 2020-08-18 | 2020-11-10 | 山东联工检测设备有限公司 | Cement mortar splitting tensile test tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20170828 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |