CN211784758U - Clamp for universal testing machine pipe tensile sample - Google Patents
Clamp for universal testing machine pipe tensile sample Download PDFInfo
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- CN211784758U CN211784758U CN201921960310.2U CN201921960310U CN211784758U CN 211784758 U CN211784758 U CN 211784758U CN 201921960310 U CN201921960310 U CN 201921960310U CN 211784758 U CN211784758 U CN 211784758U
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- support ring
- sleeve
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- chuck
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Abstract
The utility model provides a universal testing machine tubular product anchor clamps for tensile sample, including tubular sample, tubular sample left and right ends soaking fusion welding support ring just extends into the support ring, the support ring is kept away from tubular sample one end and is set up the sleeve and extend into the sleeve, the sleeve is kept away from support ring one end fixed connection hexagon nut, hexagon nut keeps away from sleeve one end and sets up the chuck, the chuck is close to hexagon nut right-hand member intermediate position fixed connection double-screw bolt, double-screw bolt threaded connection is in hexagon nut and passes hexagon nut and be connected with the chuck, adopt tubular sample of pipeline section to carry out tensile test at first, avoided the uncertain influence factor that traditional approach system appearance brought, simultaneously also can really simulate the mechanical properties of tubular product under the actual operating mode, reuse support ring and hexagon nut to connect chuck and tubular sample, when connecting chuck and universal testing machine, convenient to use improves the experiment accuracy.
Description
Technical Field
The utility model relates to an universal testing machine tubular product anchor clamps for tensile sample belongs to small-bore thermoplastic plastic tubular product tensile properties and detects technical field.
Background
The tensile property of the plastic pipe is a main technical index for evaluating whether the pipe meets the use requirement under special conditions, and GB/T8804.3-2003 thermoplastic plastic pipe tensile property determination part 3: in polyolefin pipe materials, a tensile test method of the pipe materials is specified, the test method requires that a pipe material is sampled to prepare a tensile sample strip with a specified shape, and then a tensile test is carried out through tensile furniture which is standard matched by a universal testing machine. The method is characterized in that the pipe is sampled from the upper surface of the pipe, the tensile property of the pipe is represented by the tensile property of a sample strip, the sampling is non-uniform, and the sample preparation conformity is uncertain, so that the method cannot visually and accurately reflect the real mechanical property of the pipe and cannot simulate the mechanical property of a product under special working conditions or conditions.
The utility model discloses a pipeline section and test fixture are connected and are carried out tensile test, have avoided the uncertain influence factor that traditional method system appearance brought, also can really simulate out the mechanical properties of tubular product under the operating condition simultaneously, and at present known, pipeline section tensile test does not have special test fixture, need design an universal tester tubular product tensile test for the sample anchor clamps carry out pipeline section tensile test specially.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing an universal testing machine tubular product anchor clamps for tensile sample to solve the problem that proposes in the above-mentioned background art, the utility model discloses convenient to use improves the experiment accuracy.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides an universal testing machine tubular product anchor clamps for tensile sample, includes tubular sample, tubular sample left and right sides both ends soaking fusion welding support ring just extends into in the support ring, tubular sample one end setting sleeve is kept away from to the support ring and is extended into in the sleeve, support ring one end fixed connection hexagon nut is kept away from to the sleeve, hexagon nut keeps away from sleeve one end and sets up the chuck, the chuck is close to hexagon nut right-hand member intermediate position fixed connection double-screw bolt, double-screw bolt threaded connection passes hexagon nut in hexagon nut and is connected with the chuck.
Furthermore, a connecting column is fixed at the middle position of one end, far away from the stud, of the chuck, and a through hole is formed in the connecting column.
Further, chuck, double-screw bolt and spliced pole are integrated structure, hexagon nut and sleeve are integrated structure.
Further, two at least first jacks are arranged on the outer side of the sleeve ring in an equal distance mode, two at least second jacks are arranged on the outer side of the support ring in an equal distance mode, the second jacks are located on the outer side of the tubular sample, two at least round nuts are fixedly connected to the outer side of the sleeve ring in an equal distance mode, the inner ends of the first jacks are provided with the second jacks and the first jacks are located on the inner ends of the round nuts, the round nuts are far away from one end of the sleeve in a threaded connection mode, and the inner ends of the fastening bolts penetrate through the round nuts, the second jacks and the first jacks and extend into the.
Further, the support ring is made of a cylindrical hollow structure plastic pipe.
Furthermore, a chamfer is arranged at the inner cavity position of one end, close to the tubular sample, of the support ring.
Further, the support ring includes a big section of thick bamboo and a little section of thick bamboo, a big section of thick bamboo and a little section of thick bamboo are integral structure, two at least second jacks are seted up to the annular outside equidistance of a little section of thick bamboo, a little section of thick bamboo sets up in the sleeve, tubular sample extends into in a big section of thick bamboo.
The utility model has the advantages that: the utility model discloses an universal testing machine tubular product anchor clamps for tensile sample.
1. The method comprises the steps of firstly adopting a tubular sample of a pipe section to carry out a tensile test, avoiding uncertain influence factors caused by sample preparation by a traditional method, simultaneously also truly simulating the mechanical property of the pipe under an actual working condition, respectively inserting two support rings into two ends of the tubular sample, carrying out hot-melt welding on the tubular sample and the two support rings, inserting the support rings into a sleeve on a hexagon nut, fastening, carrying out threaded connection on a stud and the hexagon nut on a chuck, connecting the chuck with a universal testing machine after connection, carrying out a test again, facilitating use and improving the accuracy of the test.
2. After the support ring is inserted into the sleeve, the fastening bolt is in threaded connection with the round nut, the inner end of the fastening bolt moves inwards under the action of threads, the fastening bolt penetrates through the round nut and the first jack on the sleeve and penetrates through the second jack on the support ring to extend into the support ring, the support ring and the sleeve are fastened and installed, the support ring and the sleeve can be rapidly disassembled and assembled conveniently, and the subsequent tubular sample can be conveniently installed.
3. The tubular samples and the sleeves with different diameters are mounted, and the application range is enlarged.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a clamp for a universal testing machine pipe tensile sample of the present invention;
FIG. 2 is a perspective view of the clamp for the tube tensile sample of the universal testing machine of the present invention;
FIG. 3 is a diagram of an embodiment of a tubular sample in a clamp for a universal testing machine tubular product tensile sample of the present invention;
FIG. 4 is a diagram of another embodiment of a tubular sample in the fixture for a universal testing machine tubular product tensile sample of the present invention;
FIG. 5 is a cross-sectional view of the tubular specimen of FIG. 4;
in the figure: the test tube comprises a 1-tubular sample, a 2-chuck, a 3-stud, a 4-hexagon nut, a 5-sleeve, a 6-support ring, a 21-through hole, a 22-connecting column, a 51-first jack, a 52-round nut, a 53-fastening bolt and a 61-second jack.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1 to 5, embodiment 1: the utility model provides an universal testing machine tubular product anchor clamps for tensile sample, including tubular sample 1, tubular sample 1 is controlled both ends soaking fusion welding support ring 6 and is extended into in the support ring 6, support ring 6 is kept away from 1 one end of tubular sample and is set up sleeve 5 and extend into in the sleeve 5, 6 one end fixed connection hexagon nuts 4 of support ring are kept away from to sleeve 5, 5 one end of sleeve is kept away from to hexagon nuts 4 and is set up chuck 2, chuck 2 is close to 4 right-hand member intermediate position fixed connection double-screw bolts 3 of hexagon nuts, 3 threaded connection of double-screw bolts are in hexagon nuts 4 and pass hexagon nuts 4 and are connected with chuck.
Specifically, the tubular sample 1 of the pipe section is firstly adopted for tensile test, so that uncertain influence factors caused by sample preparation by the traditional method are avoided, meanwhile, the mechanical property of the pipe under the actual working condition can be truly simulated, then, the two support rings 6 are respectively inserted into both ends of the tubular sample 1, and the tubular sample 1 is thermally welded to the two support rings 6, then the support ring 6 is inserted into the sleeve 5 on the hexagon nut 4 and is fastened, then the stud 3 on the chuck 2 is connected with the hexagon nut 4 by screw thread, after the connection, the chuck 2 is connected with a universal testing machine, and the tubular sample 1 is connected and installed with the universal testing machine, the test software is opened on a computer, the test can be started by inputting necessary test parameters, and the tensile yield strength, the tensile breaking strength and the tensile breaking elongation are recorded, so that the use is convenient, and the test accuracy is improved.
The chuck 2 is far away from 3 one ends intermediate positions fixed connection post 22 of double-screw bolt, offers through-hole 21 on the connection post 22, specifically, runs through-hole 21 on the connection post 22 through the bolt, realizes that connection post 22 and universal tester fasten.
Chuck 2, double-screw bolt 3 and spliced pole 22 are the integral structure, and hexagon nut 4 and sleeve 5 are the integral structure, specifically, are convenient for produce.
The support ring 6 is made of a cylindrical hollow-structured plastic tube, and in particular, the welding of the support ring 6 to the tubular test specimen 1 is achieved.
The inner cavity position of the support ring 6 close to one end of the tubular sample 1 is provided with a chamfer, and particularly, the tubular sample 1 is convenient to insert into the support ring 6.
Example 2: at least two first jacks 51 are arranged on the outer side of the ring of the sleeve 5 at equal intervals, at least two second jacks 61 are arranged on the outer side of the ring of the support ring 6 at equal intervals, the second jacks 61 are positioned on the outer side of the tubular sample 1, at least two round nuts 52 are fixedly connected on the outer side of the ring of the sleeve 5 at equal intervals, the second jacks 61 are arranged on the inner end of the first jacks 51, the first jacks 51 are positioned on the inner end of the round nuts 52, one ends, far away from the sleeve 5, of the round nuts 52 are in threaded connection with the fastening bolts 53, and the inner ends of the fastening bolts 53 penetrate through the round nuts 52, the second jacks.
Specifically, after the support ring 6 is inserted into the sleeve 5, the fastening bolt 53 is placed at the outer end of the round nut 52, the fastening bolt 53 is rotated to enable the fastening bolt 53 to be in threaded connection with the round nut 52, at the moment, the inner end of the fastening bolt 53 moves inwards under the action of threads, and then the fastening bolt 53 penetrates through the round nut 52 and the first insertion hole 51 in the sleeve 5 and penetrates through the second insertion hole 61 in the support ring 6 to extend into the support ring 6, so that the support ring 6 and the sleeve 5 are fastened and mounted, the support ring 6 and the sleeve 5 are convenient to disassemble and mount quickly, and the subsequent tubular sample 1 is convenient to mount.
Example 3: the support ring 6 includes a big section of thick bamboo and a little section of thick bamboo, and a big section of thick bamboo and a little section of thick bamboo are integral structure, and two at least second jacks 61 are seted up to the annular outside equidistance of a little section of thick bamboo, and a little section of thick bamboo sets up in sleeve 5, and tubular sample 1 extends into a big section of thick bamboo, specifically, as shown in fig. 4 and fig. 5, realizes installing tubular sample 1 and sleeve 5 of different diameters, increases application range.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a universal testing machine tubular product anchor clamps for tensile sample which characterized in that: including tubular sample, tubular sample left and right ends soaking fusion welding is used for connecting the support ring of the tubular sample of different diameters and extends into the support ring in, tubular sample one end setting is kept away from to the support ring and is used for the sleeve of fixed support ring and extends into in the sleeve, support ring one end fixed connection hexagon nut is kept away from to the sleeve, hexagon nut keeps away from the chuck that sleeve one end set up and universal tester is connected, the chuck is close to hexagon nut right-hand member intermediate position fixed connection and is used for the double-screw bolt of installing with hexagon nut, double-screw bolt threaded connection passes hexagon nut in hexagon nut and is connected with the chuck.
2. The clamp for the tensile sample of the universal tester pipe according to claim 1, characterized in that: the middle position of one end of the chuck, which is far away from the stud, is fixedly connected with a connecting column, and a through hole is formed in the connecting column.
3. The clamp for the tensile sample of the universal tester pipe according to claim 1 or 2, characterized in that: the chuck, the stud and the connecting column are of an integrated structure, and the hexagon nut and the sleeve are of an integrated structure.
4. The clamp for the tensile sample of the universal tester pipe according to claim 1, characterized in that: at least two first jacks are arranged on the outer side of the sleeve ring in an equal distance mode, at least two second jacks and the second jacks are arranged on the outer side of the support ring in an equal distance mode, at least two round nuts are fixedly connected on the outer side of the sleeve ring in an equal distance mode, the inner ends of the first jacks are provided with the second jacks and the first jacks and are arranged on the inner ends of the round nuts, the round nuts are far away from a sleeve end threaded connection fastening bolt, and the inner ends of the fastening bolt penetrate through the round nuts, the second jacks and the first jacks and extend into the support ring.
5. The clamp for the tensile sample of the universal tester pipe according to claim 1, characterized in that: the support ring is made of a cylindrical hollow structure plastic pipe.
6. The clamp for the tensile sample of the universal tester pipe according to claim 1, characterized in that: and a chamfer is arranged at the inner cavity position of one end of the support ring, which is close to the tubular sample.
7. The clamp for the tensile sample of the universal tester pipe according to claim 1, characterized in that: the support ring includes a big section of thick bamboo and a little section of thick bamboo, a big section of thick bamboo and a little section of thick bamboo are integral structure, two at least second jacks are seted up to the annular outside equidistance of a little section of thick bamboo, a little section of thick bamboo sets up in the sleeve, tubular sample extends into in the big section of thick bamboo.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921960310.2U CN211784758U (en) | 2019-11-13 | 2019-11-13 | Clamp for universal testing machine pipe tensile sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921960310.2U CN211784758U (en) | 2019-11-13 | 2019-11-13 | Clamp for universal testing machine pipe tensile sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211784758U true CN211784758U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921960310.2U Active CN211784758U (en) | 2019-11-13 | 2019-11-13 | Clamp for universal testing machine pipe tensile sample |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798409A (en) * | 2020-12-30 | 2021-05-14 | 东北轻合金有限责任公司 | Special clamp for XXXX high-end aluminum alloy tensile sample and use method |
| CN113804541A (en) * | 2021-08-13 | 2021-12-17 | 浙江大学 | Steel pipe sample for tensile test in high-pressure hydrogen environment and preparation method thereof |
-
2019
- 2019-11-13 CN CN201921960310.2U patent/CN211784758U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112798409A (en) * | 2020-12-30 | 2021-05-14 | 东北轻合金有限责任公司 | Special clamp for XXXX high-end aluminum alloy tensile sample and use method |
| CN113804541A (en) * | 2021-08-13 | 2021-12-17 | 浙江大学 | Steel pipe sample for tensile test in high-pressure hydrogen environment and preparation method thereof |
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