CN204255760U - A kind of tensile test fixture and assembly - Google Patents
A kind of tensile test fixture and assembly Download PDFInfo
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- CN204255760U CN204255760U CN201420769505.XU CN201420769505U CN204255760U CN 204255760 U CN204255760 U CN 204255760U CN 201420769505 U CN201420769505 U CN 201420769505U CN 204255760 U CN204255760 U CN 204255760U
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- tensile test
- fiber reinforced
- anchor pole
- semicylinders
- reinforced rebar
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Abstract
The utility model discloses a kind of tensile test fixture and assembly.Described tensile test fixture is used for gripping fiber reinforced rebar anchor pole and carries out tensile test, and the outside surface of fiber reinforced rebar anchor pole is the external thread helically extended.Tensile test fixture comprises two semicylinders, the bundling belts that xsect is semi-circular shape.The inner side of two semicylinders is provided with internal thread, and the outside of two semicylinders all offers in semiorbicular groove.Two semicylinder symmetries are combined in entirety cylindrically and by fiber reinforced rebar anchor pole is bundled in, and corresponding recesses is combined ringwise.Make two semicylinders be bundled on fiber reinforced rebar anchor pole in two grooves that bundling belt is wrapped in two semicylinders, and internal thread and external thread are screwed.The utility model not only can ensure that fiber reinforced rebar anchor pole is coaxial with fixture, improve the accuracy of tension test, and fixture can also reuse.The utility model also openly comprises the assembly of two such tensile test fixtures.
Description
Technical field
The utility model relates to a kind of fixture, particularly a kind of fiber reinforced rebar anchor pole tensile test tensile test fixture and there is the assembly of described tensile test fixture.
Background technology
Tensile strength judges one of fiber reinforced rebar anchor pole performance quality large critical index, and the outside surface of fiber reinforced rebar anchor pole is the external thread helically extended.The tensile test of fiber reinforced rebar anchor pole adopts tensile test instrument to carry out, and fiber reinforced rebar anchor pole, when fixing, is not directly fixed on tensile test instrument, but is indirectly fixed on tensile test instrument by fixture.Traditional indirect fixed form is the two ends being enclosed within fiber reinforced rebar anchor pole with two steel pipes respectively, then toward injecting glue in steel pipe, after the glue solidifies, the two ends of fiber reinforced rebar anchor pole are just fixed on the steel pipe at two ends firmly, and the equipment then two steel pipes being arranged on respectively tensile test carries out tensile test.
The tensile test fixture of existing use has following shortcoming:
1, because fiber reinforced rebar anchor pole is enclosed within steel pipe, and the diameter of fiber reinforced rebar anchor pole is slightly smaller than the diameter of steel pipe, so can not ensure the right alignment of fiber reinforced rebar anchor pole and steel pipe, affects tensile test result;
2, the glue in steel pipe cannot be removed, and causes steel pipe not reuse, and the steel pipe connecting doing tensile test all must discard with fiber reinforced rebar anchor pole, causes the waste of cost;
3, after injecting glue, glue is not easy to parch, and the glue solidifies for needs etc., immediately can not carry out tensile test, generally needs aptitude tests in second day by the time, affects test efficiency.
Utility model content
For the deficiency of existing scheme, the utility model proposes a kind of tensile test fixture, not only can ensure that fiber reinforced rebar anchor pole is coaxial with steel pipe, improve the accuracy of tension test, and fixture can also reuse.
The utility model realizes like this, a kind of tensile test fixture, it carries out tensile test for gripping fiber reinforced rebar anchor pole, the outside surface of described fiber reinforced rebar anchor pole is the external thread helically extended, and described tensile test fixture comprises two semicylinders, at least one bundling belt that xsect is semi-circular shape; The inner side of described two semicylinders is provided with internal thread, and the outside of described two semicylinders all offers at least one groove semiorbicular; Described two semicylinder symmetries are combined in entirety cylindrically and by described fiber reinforced rebar anchor pole is bundled in, and corresponding recesses is combined ringwise, make described two semicylinders be bundled on described fiber reinforced rebar anchor pole in the corresponding recesses that described at least one bundling belt is wrapped in described two semicylinders, and described internal thread and described external thread are screwed.
As the further improvement of such scheme, the outside of described two semicylinders is also provided with some anti-slip veins.
As the further improvement of such scheme, described bundling belt is iron wire.
As the further improvement of such scheme, the quantity of described groove is two, and two grooves are opened in the two ends, outside of described two semicylinders, and the quantity of the bundling belt corresponding with described groove is at least two.
The utility model also provides a kind of tensile test clamp assembly, it comprises for two the tensile test fixtures of fastening clamp at fiber reinforced rebar anchor pole two ends, the outside surface of described fiber reinforced rebar anchor pole is the external thread helically extended, and described tensile test fixture comprises two semicylinders, at least one bundling belt that xsect is semi-circular shape; The inner side of described two semicylinders is provided with internal thread, and the outside of described two semicylinders all offers at least one groove semiorbicular; Described two semicylinder symmetries are combined in entirety cylindrically and by described fiber reinforced rebar anchor pole is bundled in, and corresponding recesses is combined ringwise, make described two semicylinders be bundled on described fiber reinforced rebar anchor in the corresponding recesses that described at least one bundling belt is wrapped in described two semicylinders, and described internal thread and described external thread are screwed.
As the further improvement of such scheme, the outside of described two semicylinders is also provided with some anti-slip veins.
As the further improvement of such scheme, described bundling belt is iron wire.
As the further improvement of such scheme, the quantity of described groove is two, and two grooves are opened in the two ends, outside of described two semicylinders, and the quantity of the bundling belt corresponding with described groove is at least two.
Two semicylinders are bundled on fiber reinforced rebar anchor pole by bundling belt by the utility model, because the internal thread in two semicylinders mates with the external thread spiro fastening of fiber reinforced rebar anchor pole, thus fiber reinforced rebar anchor pole and tensile test fixture can be ensured greatly on the same axis, and then the fiber reinforced rebar anchor pole in tensile test can not depart from center of effort's line, improve the accuracy of tensile test; In addition, adopt the thread fiting mode with fiber reinforced rebar anchor pole, tensile test fixture can freely load and unload, recycling, improves the utilization rate of tensile test fixture, and does not need to bond with glue, without the need to the stand-by period, reduce the loss of fiber reinforced rebar anchor pole and tensile test fixture.
Accompanying drawing explanation
The application schematic diagram of the tensile test fixture that Fig. 1 provides for the utility model first embodiment.
Fig. 2 is the structural representation of tensile test fixture in Fig. 1.
The application schematic diagram of the tensile test fixture that Fig. 3 provides for the utility model second embodiment.
Fig. 4 is the structural representation of tensile test fixture in Fig. 3.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
First embodiment
Refer to Fig. 1 and Fig. 2, tensile test clamp assembly, for fiber reinforced rebar anchor pole 2 is fixed on tensile test instrument (not shown) indirectly, facilitates tensile test instrument to carry out tensile test to fiber reinforced rebar anchor pole 2.Tensile test instrument is as tensilon.The outside surface of fiber reinforced rebar anchor pole 2 is the external thread 21 helically extended.
Tensile test clamp assembly comprises two identical tensile test fixtures of structure.Two tensile test fixtures are bundled in the two ends of fiber reinforced rebar anchor pole 2 respectively, are indirectly fixed on tensile test instrument by fiber reinforced rebar anchor pole 2 by two tensile test fixtures.If fiber reinforced rebar anchor pole 2 is directly fixed on tensile test instrument, can, because stress surface is smaller, cause, when the pulling force of tensile test instrument becomes very large, being easy to be caught broken.Adopt two tensile test fixtures to be indirectly fixed on tensile test instrument by fiber reinforced rebar anchor pole 2, the stress surface of muscle anchor pole 2 can be strengthened by increased fiber, place fiber reinforced rebar anchor pole 2 and press from both sides bad and cannot test.
Described tensile test fixture comprises two semicylinders 1, at least one bundling belt 3 that xsect is semi-circular shape.The inner side of two semicylinders 1 is provided with internal thread 11, and the outside that the outside of two semicylinders 1 all offers in a semiorbicular groove 12, two semicylinders 1 also can be provided with some anti-slip veins 13.
Two semicylinder 1 symmetries are combined in entirety cylindrically and by fiber reinforced rebar anchor pole 2 is bundled in, and two grooves 12 are in circular.Make two semicylinders 1 be bundled on fiber reinforced rebar anchor pole 2 in the groove 12 that bundling belt 3 is wrapped in two semicylinders 1, and internal thread 11 and external thread 21 are screwed.In the present embodiment, the quantity of groove 12 is illustrated for one, at this moment the quantity at least one of bundling belt 3, as long as certainly can two semicylinders 1 be bundled on fiber reinforced rebar anchor pole 2, the quantity of groove 12, the quantity of bundling belt 3 all can also be more, and the quantity be not limited in present embodiment limits.Bundling belt 3 can be thin wire, and can be bundled on fiber reinforced rebar anchor pole 2 by two semicylinders 1 as long as be appreciated that, bundling belt 3 is not limited to the form of thin wire.
Two semicylinders 1 are bundled on fiber reinforced rebar anchor pole 2 by bundling belt 3 by the utility model, mate because the internal thread 11 in two semicylinders 1 screws togather with the external thread 21 of fiber reinforced rebar anchor pole 2, thus fiber reinforced rebar anchor pole 2 and tensile test fixture can be ensured greatly on the same axis, and then the fiber reinforced rebar anchor pole in tensile test can not depart from center of effort's line, improve the accuracy of tensile test; In addition, adopt the thread fiting mode with fiber reinforced rebar anchor pole 2, tensile test fixture can freely load and unload, recycling, improves the utilization rate of tensile test fixture, and does not need to bond with glue, without the need to the stand-by period, reduce the loss of fiber reinforced rebar anchor pole 2 and tensile test fixture.
Second embodiment
Refer to Fig. 3 and Fig. 4, tensile test clamp assembly, for fiber reinforced rebar anchor pole 2 is fixed on tensile test instrument (not shown) indirectly, facilitates tensile test instrument to carry out tensile test to fiber reinforced rebar anchor pole 2.The outside surface of fiber reinforced rebar anchor pole 2 is the external thread 21 helically extended.
Tensile test clamp assembly comprises two identical tensile test fixtures of structure.Two tensile test fixtures are bundled in the two ends of fiber reinforced rebar anchor pole 2 respectively, are indirectly fixed on tensile test instrument by fiber reinforced rebar anchor pole 2 by two tensile test fixtures.If fiber reinforced rebar anchor pole 2 is directly fixed on tensile test instrument, can, because stress surface is smaller, cause, when the pulling force of tensile test instrument becomes very large, being easy to be caught broken.Adopt two tensile test fixtures to be indirectly fixed on tensile test instrument by fiber reinforced rebar anchor pole 2, the stress surface of muscle anchor pole 2 can be strengthened by increased fiber, place fiber reinforced rebar anchor pole 2 and press from both sides bad and cannot test.
Described tensile test fixture comprises two semicylinders, 10, at least two bundling belts (sign) that xsect is semi-circular shape.The inner side of two semicylinders 10 is provided with internal thread 11, and the outside that the two ends, outside of two semicylinders 10 all offer in semiorbicular two grooves 12, two semicylinders 10 also can be provided with some anti-slip veins 13.
Two semicylinder 10 symmetries are combined in entirety cylindrically and by fiber reinforced rebar anchor pole 2 is bundled in, and two grooves 12 are in circular.Make two semicylinders 10 be bundled on fiber reinforced rebar anchor pole 2 in two grooves 12 that described at least two bundling belts are wrapped in two semicylinders 10, and internal thread 11 and external thread 21 are screwed.In the present embodiment, the quantity of groove 12 is illustrated for two, at this moment the quantity at least two of bundling belt, as long as certainly can two semicylinders 10 be bundled on fiber reinforced rebar anchor pole 2, the quantity of groove 12, the quantity of bundling belt all can also be more, and the quantity be not limited in present embodiment limits.Described bundling belt can be thin wire, and can be bundled on fiber reinforced rebar anchor pole 2 by two semicylinders 10 as long as be appreciated that, described bundling belt is not limited to the form of thin wire.
Two semicylinders 10 are bundled on fiber reinforced rebar anchor pole 2 by bundling belt by the utility model, mate because the internal thread 11 in two semicylinders 10 screws togather with the external thread 21 of fiber reinforced rebar anchor pole 2, thus fiber reinforced rebar anchor pole 2 and tensile test fixture can be ensured greatly on the same axis, and then the fiber reinforced rebar anchor pole in tensile test can not depart from center of effort's line, improve the accuracy of tensile test; In addition, adopt the thread fiting mode with fiber reinforced rebar anchor pole 2, tensile test fixture can freely load and unload, recycling, improves the utilization rate of tensile test fixture, and does not need to bond with glue, without the need to the stand-by period, reduce the loss of fiber reinforced rebar anchor pole 2 and tensile test fixture.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a tensile test fixture, it carries out tensile test for gripping fiber reinforced rebar anchor pole, the outside surface of described fiber reinforced rebar anchor pole is the external thread helically extended, and it is characterized in that: described tensile test fixture comprises two semicylinders, at least one bundling belt that xsect is semi-circular shape; The inner side of described two semicylinders is provided with internal thread, and the outside of described two semicylinders all offers at least one groove semiorbicular; Described two semicylinder symmetries are combined in entirety cylindrically and by described fiber reinforced rebar anchor pole is bundled in, and corresponding recesses is combined ringwise; Make described two semicylinders be bundled on described fiber reinforced rebar anchor pole in the corresponding recesses that described at least one bundling belt is wrapped in described two semicylinders, and described internal thread and described external thread are screwed.
2. tensile test fixture as claimed in claim 1, is characterized in that: the outside of described two semicylinders is also provided with some anti-slip veins.
3. tensile test fixture as claimed in claim 1, is characterized in that: described bundling belt is iron wire.
4. tensile test fixture as claimed in claim 1, is characterized in that: the quantity of described groove is two, and two grooves are opened in the two ends, outside of described two semicylinders, and the quantity of the bundling belt corresponding with described groove is at least two.
5. a tensile test clamp assembly, it comprises for two the tensile test fixtures of fastening clamp at fiber reinforced rebar anchor pole two ends, it is characterized in that: described two tensile test fixtures are as the tensile test fixture in Claims 1-4 as described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420769505.XU CN204255760U (en) | 2014-09-30 | 2014-12-09 | A kind of tensile test fixture and assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014205745139 | 2014-09-30 | ||
| CN201420574513 | 2014-09-30 | ||
| CN201420769505.XU CN204255760U (en) | 2014-09-30 | 2014-12-09 | A kind of tensile test fixture and assembly |
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| CN204255760U true CN204255760U (en) | 2015-04-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390853A (en) * | 2014-09-30 | 2015-03-04 | 淮北宇鑫新型材料有限公司 | Tensile test fixture and assembly |
| CN105547816A (en) * | 2016-02-23 | 2016-05-04 | 江苏大学 | Carbon-fiber rib anchoring system based on long-term performance and conversion device thereof |
| CN109724853A (en) * | 2018-12-04 | 2019-05-07 | 中国航空工业集团公司西安飞机设计研究所 | A kind of overproof repair method of honeycomb sandwich board axial compression test part |
-
2014
- 2014-12-09 CN CN201420769505.XU patent/CN204255760U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390853A (en) * | 2014-09-30 | 2015-03-04 | 淮北宇鑫新型材料有限公司 | Tensile test fixture and assembly |
| CN105547816A (en) * | 2016-02-23 | 2016-05-04 | 江苏大学 | Carbon-fiber rib anchoring system based on long-term performance and conversion device thereof |
| CN105547816B (en) * | 2016-02-23 | 2019-03-05 | 江苏大学 | Carbon fibre bar anchor system based on long-term behaviour |
| CN109724853A (en) * | 2018-12-04 | 2019-05-07 | 中国航空工业集团公司西安飞机设计研究所 | A kind of overproof repair method of honeycomb sandwich board axial compression test part |
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