CN205538444U - A smart positioner that is used for concrete to split drawing experiment - Google Patents
A smart positioner that is used for concrete to split drawing experiment Download PDFInfo
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- CN205538444U CN205538444U CN201620265199.5U CN201620265199U CN205538444U CN 205538444 U CN205538444 U CN 205538444U CN 201620265199 U CN201620265199 U CN 201620265199U CN 205538444 U CN205538444 U CN 205538444U
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- top board
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Abstract
The utility model provides a smart positioner that is used for concrete to split drawing experiment, includes bottom plate, end plate, top board, holding down plate, baffle, locating lever, the bottom plate both ends be equipped with with bottom plate vertically end plate, be equipped with the holding down plate on the bottom plate top surface, be equipped with the top board parallel with the bottom plate between two end plates, the end plate both sides be equipped with with bottom plate vertically baffle, two end plate both sides all are equipped with the first spout and the second spout of horizontal direction, and the locating lever passes two end plates with the first spout and the second spout of one side and fix on first spout and second spout. The top board bottom surface is the convex arc shape of face with the holding down plate top surface, is equipped with first filler strip on the top board bottom surface, is equipped with the second filler strip on the holding down plate top surface. Still be equipped with the transverse orientation cutting on the bottom plate. Adopt above -mentioned structure, realized the concrete and split the concentrated and test piece location of the load that draws in the experiment, effectively promoted the security of the accuracy and the process of the test of test result.
Description
Technical field
This utility model relates to concrete test device field, a kind of splits the accurate positioning device drawing test for concrete.
Background technology
Tensile strength is one of basic mechanical parameter of concrete, is to judge structure crack, the important indicator of generation brittle break.The assay method that concrete tensile strength is conventional the most both at home and abroad has uniaxial direct tensile method, beams of concrete to bend test method(s), concrete surface hubbing (ASTM-C1583), splitting tensile test method.There is centering difficulty in uniaxial direct tensile method, test data discreteness is bigger；Beams of concrete bending intensity measured by test method(s) is often high than actual strength；Concrete surface hubbing has particular/special requirement to sample dimensions, operational approach, operates more complicated；Therefore, the current domestic tensile strength using cube or cylinder diametral compression test to measure concrete more.On test specimen, lower support surface arranges filler strip, applies pressure line load by filler strip, causes cube center or the cleavage fracture of cylinder diameter tangent plane, conversion to obtain concrete tensile strength.The problem that presently, there are has: 1, concentration line load is difficult to accurately apply；2, test specimen centering location existing problems；3, the filler strip Type-Inconsistencies of each code requirement and the filler strip size of different size test specimen are inconsistent, how to take into account, existing problems；4, during splitting tensile test is carried out, easily eject after test specimen splitting, there is potential safety hazard.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of accurate positioning device split for concrete and draw test, splitting at concrete draws in test, line load in active set, ensure the accurate applying of line load, test specimen can also be accurately positioned, change various sizes of filler strip according to different sample dimensions simultaneously, require the requirement utilizing same device to meet Multitest for different specification.
For solving above-mentioned technical problem, this utility model be the technical scheme is that a kind of accurate positioning device split for concrete and draw test, including base plate, end plate, top board, lower platen, baffle plate, location bar, base plate two ends are provided with the end plate vertical with base plate, plate top surface is provided with lower platen, being provided with the top board parallel with base plate between two end plates, end plate both sides are provided with the baffle plate vertical with base plate；
Two end plates both sides are equipped with the first chute and second chute of horizontal direction, and location bar is through first chute of two end plates the same side and the second chute and is fixed on the first chute and the second chute.
Preferably in scheme, described base plate two ends are equipped with multiple first spacing hole, and end plate bottom is provided with the positioning tooth identical with the first spacing hole population size, and end plate inserts the first spacing hole by positioning tooth and is fixed on base plate.
Preferably in scheme, described end plate both sides form stopper slot by connecting L-shaped structure body, and baffle plate is arranged in the stopper slot of two end plates the same side.
Preferably in scheme, described lower platen two ends are provided with the second positioning tooth, and along being provided with the second spacing hole under end plate, second positioning tooth at lower platen two ends is fixed in the second spacing hole.
Preferably in scheme, on described end plate, edge is provided with the opening of vertical direction, and opening both sides are convex globoidal guide rail, and top board two ends are provided with the first positioning tooth, and the first positioning tooth both sides are provided with cancave cambered surface breach, and cancave cambered surface breach is fixed on convex globoidal guide rail.
Preferably in scheme, described top board bottom surface and lower platen end face are convex globoidal shape, and top board bottom surface is provided with the first filler strip, and lower platen end face is provided with the second filler strip.
Preferably in scheme, described base plate is additionally provided with located lateral cutting.
Preferably in scheme, described top board end face is provided with positioning boss.
Preferably in scheme, the first described chute and the second chute are provided with thin rubber pad on the one end inside end plate.
This is the most novel provided a kind of splits the accurate positioning device drawing test for concrete, by using said structure, has the advantages that
(1) device accurate positioning, it is possible to realize the precise alignment location of test specimen, the reliability of test final data result is effectively ensured；
(2) detachable filler strip is used, it is possible to when carrying out different test specimen experiment, carry out the replacing of filler strip for different specification, to meet the requirement of Multitest；
(3) test specimen is fixing firm, and after test specimen cleaves, test specimen fragment will not splash ejection, and the safety of test is higher.
Accompanying drawing explanation
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is side-looking structural representation of the present utility model.
Fig. 3 is base arrangement schematic diagram of the present utility model.
Fig. 4 is of the present utility model to face structural representation.
Fig. 5 is base plate of the present utility model and the structural representation under lower platen connection status.
Fig. 6 lower platen of the present utility model structural representation.
Fig. 7 tip plate configurations of the present utility model schematic diagram.
In figure: base plate 1, end plate 2, top board 3, lower platen 4, baffle plate 5, positions bar 6, the first spacing hole 7, located lateral cutting 8, convex globoidal guide rail 9, the first chute 10, the second chute 11, positioning tooth 12, stopper slot 13, positioning boss 14, first filler strip 15, the first positioning tooth 16, cancave cambered surface breach 17, second filler strip 18, the second positioning tooth 19, the second spacing hole 20.
Detailed description of the invention
In figure, a kind of split the accurate positioning device drawing test for concrete, including base plate 1, end plate 2, top board 3, lower platen 4, baffle plate 5, location bar 6, base plate 1 two ends are provided with the end plate 2 vertical with base plate 1, base plate 1 end face is provided with lower platen 4, being provided with the top board 3 parallel with base plate 1 between two end plates, end plate 2 both sides are provided with the baffle plate 5 vertical with base plate 1；
Two end plates 2 both sides are equipped with the first chute 10 and the second chute 11 of horizontal direction, and location bar 6 is through first chute 10 of two end plates 2 the same side and the second chute 11 and is fixed on the first chute 10 and the second chute 11.
Preferably in scheme, described base plate 1 two ends are equipped with multiple first spacing hole 7, and end plate 2 bottom is provided with the positioning tooth 12 identical with the first spacing hole 7 population size, and end plate 2 inserts the first spacing hole 7 by positioning tooth 12 and is fixed on base plate 1.
Preferably in scheme, described end plate 2 both sides form stopper slot 13 by connecting L-shaped structure body, and baffle plate 5 is arranged in the stopper slot 13 of two end plates 2 the same side.
Preferably in scheme, described lower platen 4 two ends are provided with the second positioning tooth 19, and 2 times edges of end plate are provided with the second spacing hole 20, and second positioning tooth 19 at lower platen 4 two ends is fixed in the second spacing hole 20.
Preferably in scheme, on described end plate 2, edge is provided with the opening of vertical direction, and opening both sides are convex globoidal guide rail 9, and top board 3 two ends are provided with the first positioning tooth 16, first positioning tooth 16 both sides are provided with cancave cambered surface breach 17, and cancave cambered surface breach 17 is fixed on convex globoidal guide rail 9.Use said structure, it is achieved that top board 3 on-test with at the end of dismounting.
Preferably in scheme, described top board 3 bottom surface and lower platen 4 end face are convex globoidal shape, and top board 3 bottom surface is provided with the first filler strip 15, and lower platen 4 end face is provided with the second filler strip 18.Top board 3 bottom surface uses the structure of convex globoidal shape with lower platen 4 end face, top board 3 bottom surface arranges the first filler strip 15, lower platen 4 end face arranges the second filler strip 18, it is achieved that the applying to the line load of test specimen, it is ensured that the concentration of line load.
Preferably in scheme, described base plate 1 is additionally provided with located lateral cutting 8.Set located lateral cutting 8, when placing test specimen for the centering regulation of test specimen, enables test specimen precise alignment, it is ensured that the uniform force of test specimen each position.
Preferably in scheme, described top board 3 end face is provided with positioning boss 14.Set positioning boss 14, positions for pressure head, it is ensured that load applies the accurate of position.
Preferably in scheme, the first described chute 10 and the second chute 11 are provided with thin rubber pad on the one end inside end plate 2.Arranging one layer of thin rubber pad, enable location bar to fix when positioning test specimen, after test specimen cleaves, location bar moves along the first chute and the second chute, then ejected by the splashing of location bar restriction test specimen fragment, it is ensured that the safety of test.
Use said structure, can split at concrete draws in test, line load in active set, ensure the accurate applying of line load, test specimen can also be accurately positioned, change various sizes of filler strip according to different sample dimensions simultaneously, require the requirement utilizing same device to meet Multitest for different specification, be also greatly improved the safety of test simultaneously.
Claims (9)
1. split, for concrete, the accurate positioning device drawing test for one kind, including base plate (1), end plate (2), top board (3), lower platen (4), baffle plate (5), location bar (6), it is characterized in that: base plate (1) two ends are provided with the end plate (2) vertical with base plate (1), base plate (1) end face is provided with lower platen (4), being provided with the top board (3) parallel with base plate (1) between two end plates, end plate (2) both sides are provided with the baffle plate (5) vertical with base plate (1)；
Two end plates (2) both sides are equipped with the first chute (10) and second chute (11) of horizontal direction, and location bar (6) is through first chute (10) of two end plates (2) the same side and the second chute (11) and is fixed on the first chute (10) and the second chute (11).
The most according to claim 1 a kind of split the accurate positioning device drawing test for concrete, it is characterized in that: described base plate (1) two ends are equipped with multiple first spacing hole (7), end plate (2) bottom is provided with the positioning tooth (12) identical with the first spacing hole (7) population size, and end plate (2) inserts the first spacing hole (7) by positioning tooth (12) and is fixed on base plate (1).
The most according to claim 1 a kind of split the accurate positioning device drawing test for concrete, it is characterized in that: described end plate (2) both sides form stopper slot (13) by connecting L-shaped structure body, and baffle plate (5) is arranged in the stopper slot (13) of two end plates (2) the same side.
The most according to claim 1 a kind of split the accurate positioning device drawing test for concrete, it is characterized in that: described lower platen (4) two ends are provided with the second positioning tooth (19), along being provided with the second spacing hole (20) under end plate (2), second positioning tooth (19) at lower platen (4) two ends is fixed in the second spacing hole (20).
5. split the accurate positioning device drawing test for concrete according to a kind of described in claim 1 or 4, it is characterized in that: described end plate (2) is upper along the opening being provided with vertical direction, opening both sides are convex globoidal guide rail (9), top board (3) two ends are provided with the first positioning tooth (16), first positioning tooth (16) both sides are provided with cancave cambered surface breach (17), and cancave cambered surface breach (17) is fixed on convex globoidal guide rail (9).
The most according to claim 5 a kind of split the accurate positioning device drawing test for concrete, it is characterized in that: described top board (3) bottom surface and lower platen (4) end face are convex globoidal shape, top board (3) bottom surface is provided with the first filler strip (15), and lower platen (4) end face is provided with the second filler strip (18).
The most according to claim 1 a kind of split the accurate positioning device drawing test for concrete, it is characterised in that: it is additionally provided with located lateral cutting (8) on described base plate (1).
The most according to claim 1 a kind of split the accurate positioning device drawing test for concrete, it is characterised in that: described top board (3) end face is provided with positioning boss (14).
The most according to claim 1 a kind of split the accurate positioning device drawing test for concrete, it is characterised in that: described the first chute (10) and the second chute (11) are provided with thin rubber pad on the one end near end plate (2) inner side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620265199.5U CN205538444U (en) | 2016-04-01 | 2016-04-01 | A smart positioner that is used for concrete to split drawing experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620265199.5U CN205538444U (en) | 2016-04-01 | 2016-04-01 | A smart positioner that is used for concrete to split drawing experiment |
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| Publication Number | Publication Date |
|---|---|
| CN205538444U true CN205538444U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620265199.5U Expired - Fee Related CN205538444U (en) | 2016-04-01 | 2016-04-01 | A smart positioner that is used for concrete to split drawing experiment |
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| CN (1) | CN205538444U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289981A (en) * | 2016-10-11 | 2017-01-04 | 昆山市建设工程质量检测中心 | Kerbstone bending test device |
| CN107870119A (en) * | 2016-09-23 | 2018-04-03 | 河北新丰工程检测有限公司 | For adjusting the device of concrete test block compression strength center |
| CN108709800A (en) * | 2018-08-31 | 2018-10-26 | 中国矿业大学 | A kind of centralising device for concrete sample spilt test |
| CN109085058A (en) * | 2018-10-08 | 2018-12-25 | 贵州工程应用技术学院 | A kind of clamping device and its experimental method for testing Tensile Strength of Rock |
-
2016
- 2016-04-01 CN CN201620265199.5U patent/CN205538444U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107870119A (en) * | 2016-09-23 | 2018-04-03 | 河北新丰工程检测有限公司 | For adjusting the device of concrete test block compression strength center |
| CN106289981A (en) * | 2016-10-11 | 2017-01-04 | 昆山市建设工程质量检测中心 | Kerbstone bending test device |
| CN108709800A (en) * | 2018-08-31 | 2018-10-26 | 中国矿业大学 | A kind of centralising device for concrete sample spilt test |
| CN109085058A (en) * | 2018-10-08 | 2018-12-25 | 贵州工程应用技术学院 | A kind of clamping device and its experimental method for testing Tensile Strength of Rock |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20180401 |