CN110779808A - High-temperature tensile test fixture suitable for special-shaped section steel wire - Google Patents
High-temperature tensile test fixture suitable for special-shaped section steel wire Download PDFInfo
- Publication number
- CN110779808A CN110779808A CN201911261103.2A CN201911261103A CN110779808A CN 110779808 A CN110779808 A CN 110779808A CN 201911261103 A CN201911261103 A CN 201911261103A CN 110779808 A CN110779808 A CN 110779808A
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- lantern ring
- steel wire
- chuck
- temperature tensile
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 53
- 239000010959 steel Substances 0.000 title claims abstract description 53
- 238000009864 tensile test Methods 0.000 title claims abstract description 25
- 230000002159 abnormal effect Effects 0.000 claims abstract 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 7
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/025—Geometry of the test
- G01N2203/0252—Monoaxial, i.e. the forces being applied along a single axis of the specimen
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A high-temperature tensile test clamp suitable for a steel wire with an abnormal section relates to the field of clamp design. The clamp aims to solve the problems that an existing clamp cannot clamp and fix a steel wire with an abnormal section, and when a high-temperature tensile experiment is carried out on the steel wire with the abnormal section, the existing clamp is adopted to damage a detected material greatly, so that the test result is inaccurate and an error exists. The chuck is the cylinder form, and the lower surface center department of chuck is equipped with the boss, and the upper surface center department of chuck is equipped with square through hole, and the chuck along even being equipped with two pinholes on the circumferencial direction outer wall, and two pinhole symmetries set up, the lantern ring is for having the cuboid form of cavity, and lantern ring top is equipped with n square boss, and n is the positive integer, and two side symmetries of the lantern ring are equipped with the multiunit through-hole, and the chuck passes the one end of the lantern ring to through pin fixed connection. The invention is suitable for clamping the steel wire with the special-shaped section and performing a high-temperature tensile test.
Description
Technical Field
The invention relates to the field of clamp design, in particular to a high-temperature tensile test clamp suitable for a special-shaped section steel wire.
Background
The closed steel wire rope is a novel building product with high tensile strength, fatigue resistance, smooth surface, good closing and corrosion resistance, and the special-shaped section steel wires (including but not limited to Z-shaped, X-shaped and the like) are the main reasons for the excellent performance. However, since the research and development time of the product is relatively late, the existing clamps on the market cannot clamp the special-shaped steel wire, and the clamping method of the steel wire is not available in the specification. At present, a round bar test piece can be prepared by coring a special-shaped steel wire with a larger diameter, but the test result is often inaccurate due to the large processing difficulty, the large damage to materials and the like, so that the application research of the closed cable is greatly limited.
In conclusion, the existing clamp cannot clamp and fix the special-shaped section steel wire, and when a high-temperature tensile experiment is performed on the special-shaped section steel wire, the existing clamp is used for greatly damaging a detected material, so that the test result is inaccurate, and an error exists.
Disclosure of Invention
The invention provides a high-temperature tensile test fixture suitable for a special-shaped section steel wire, aiming at solving the problems that the existing fixture cannot clamp and fix the special-shaped section steel wire, and when a high-temperature tensile test is carried out on the special-shaped section steel wire, the existing fixture is large in damage to a detected material, so that the test result is inaccurate, and errors exist.
The invention relates to a high-temperature tensile test fixture suitable for a steel wire with a special-shaped section, which comprises a lantern ring and a chuck;
the clamp is cylindrical, a boss is arranged at the center of the lower surface of the clamp, a square through hole is arranged at the center of the upper surface of the clamp, two pin holes are uniformly formed in the outer wall of the clamp along the circumferential direction and are symmetrically arranged, the lantern ring is rectangular and is provided with a cavity, n square bosses are arranged at the top of the lantern ring, n is a positive integer, a plurality of groups of through holes are symmetrically arranged on two side faces of the lantern ring, and the clamp penetrates through one end of the lantern ring and is fixedly connected with the lantern ring through a pin;
furthermore, the number n of the upper-shaped bosses of the lantern ring is more than or equal to 1 and less than or equal to 3;
furthermore, the lantern ring and the chuck are both made of high-temperature alloy 4169;
further, the section of the lantern ring is 5:3 rectangular;
further, the length of the lantern ring is 6 mm-10 mm;
further, the diameter of the chuck is 30 mm;
further, when the device is used, a through hole is drilled at one end of the special-shaped section steel wire, one end of the special-shaped section steel wire is inserted into the lantern ring and is aligned with a through hole on the side face of the lantern ring, the chuck penetrates through one end of the lantern ring, the lantern ring is fixedly connected with the special-shaped section steel wire and the chuck through the pin, the chucks of a proper number are installed on the lantern ring when the device is used for testing pieces of different sections of the special-shaped section steel wire, the special-shaped section steel wire is connected onto the chuck through the pin, the pin limits displacement in the vertical direction, the lantern ring makes displacement in the horizontal direction, the test pieces are guaranteed to be completely fixed, and only acting.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the invention overcomes the defects of the prior art, adopts the structure that the inside of the chuck is a rectangular hole, and the inside of the chuck is connected with the chuck through the pin no matter what the section of the sample is, so the clamp can be used for steel wires with different special sections (such as Z-shaped, X-shaped, herringbone and the like) without replacing the clamp.
The steel wires with the same cross section shape and different diameters can be limited to move along the direction of the pin by adjusting the number of the lantern rings. The chuck, the lantern ring and the sample are connected into a whole through the pin, the vertical displacement of the chuck, the lantern ring and the sample is limited, and damage to the detected material is avoided.
When the high-temperature tensile test is carried out on the steel wire with the special-shaped section, the chuck penetrates through one end of the lantern ring, and the lantern ring, the steel wire with the special-shaped section and the chuck are fixedly connected through the pin, so that a test piece is completely fixed and only receives acting force in the vertical direction, the damage to a detected material is avoided, the experimental result is improved, and the error is reduced.
Drawings
FIG. 1 is an assembly front view of a high-temperature tensile test fixture suitable for a steel wire with a special-shaped section, which is disclosed by the invention;
FIG. 2 is a front view of a chuck in the high-temperature tensile test fixture suitable for the steel wire with the special-shaped section, which is disclosed by the invention;
FIG. 3 is a top view of a chuck of the high-temperature tensile test fixture for the steel wire with the special-shaped section, which is disclosed by the invention;
FIG. 4 is a three-dimensional view of a lantern ring in the high-temperature tensile test fixture suitable for the steel wire with the special-shaped section.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 4, and the high temperature tensile test fixture suitable for the steel wire with the special-shaped section according to the present embodiment includes a collar 1 and a chuck 2;
the clamp 2 is cylindrical, a boss is arranged at the center of the lower surface of the clamp 2, a square through hole is arranged at the center of the upper surface of the clamp 2, two pin holes are uniformly formed in the outer wall of the clamp 2 along the circumferential direction and are symmetrically arranged, the lantern ring 1 is rectangular with a cavity, n square bosses are arranged at the top of the lantern ring 1, n is a positive integer, a plurality of groups of through holes are symmetrically formed in two side faces of the lantern ring 1, and the clamp 2 penetrates through one end of the lantern ring 1 and is fixedly connected with the end face of the lantern ring 1 through a pin;
this embodiment, when using, the one end with heterotypic cross-section steel wire has bored the through-hole, and insert the inside of the lantern ring 1 with the one end of heterotypic cross-section steel wire, and aim at with the opening of lantern ring 1 side, pass the one end of lantern ring 1 with chuck 2 again, and with lantern ring 1 through the pin, heterotypic cross-section steel wire and chuck 2 fixed connection, when to the test piece of the different cross-sections of heterotypic cross-section steel wire, install the chuck 2 of suitable quantity on the lantern ring 1, connect heterotypic cross-section steel wire on chuck 2 with the pin, the pin will restrict the displacement of vertical direction, the displacement of lantern ring 1 system horizontal direction, guarantee that the test piece is fixed completely, only receive the effort.
The second embodiment is as follows: the present embodiment is described with reference to fig. 4, and is further limited to the clamp described in the first embodiment, and the number n of the upper-shaped bosses of the collar 1, n, 1 ≦ n ≦ 3 of the high-temperature tensile test clamp applied to the steel wire with the irregular cross section described in the present embodiment.
The third concrete implementation mode: the present embodiment will be described with reference to fig. 2 and 4, and the present embodiment is a further limitation of the clamp according to the second embodiment, and the high-temperature tensile test clamp applied to the profiled-section steel wire according to the present embodiment is configured such that the material of the collar 1 and the material of the collet 2 are both high-temperature alloy 4169;
in the embodiment, the lantern ring 1 and the chuck 2 both made of the high-temperature alloy 4169 are adopted, under the condition of high temperature (600-.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 4, and the present embodiment is a further limitation to the clamp described in the second embodiment, and the high temperature tensile test clamp applied to the deformed cross-section steel wire described in the present embodiment has a cross-sectional shape of the collar 1 being a 5:3 rectangle;
in the specific embodiment, the section shape of the lantern ring 1 is a rectangle with the ratio of 5:3, the section shape of the test piece can be Z-shaped or X-shaped, and the requirement of the tensile section of the test piece is weakened.
The fifth concrete implementation mode: the present embodiment will be described with reference to fig. 4, which is a further limitation of the jig according to the fourth embodiment, and the length of the thimble 1 is 6mm to 10mm in the high temperature tensile test jig according to the present embodiment, which is applied to the deformed cross-section steel wire.
The sixth specific implementation mode: the present embodiment will be described with reference to fig. 4, which is a further limitation of the jig according to the first embodiment, and the high temperature tensile test jig according to the present embodiment, which is applied to a deformed section steel wire, has a collet 2 having a diameter of 30 mm;
in the specific embodiment, the diameter of the chuck 2 is 30mm, so that the strength of the clamp is improved.
Principle of operation
When using, the one end of having heterotypic cross-section steel wire bores the through-hole, and insert the inside of the lantern ring 1 with the one end of heterotypic cross-section steel wire, and aim at with the opening of lantern ring 1 side, pass the one end of lantern ring 1 with chuck 2 again, and with lantern ring 1, heterotypic cross-section steel wire and chuck 2 fixed connection through the pin, when to the test piece of the different cross-sections of heterotypic cross-section steel wire, install the chuck 2 of suitable quantity on the lantern ring 1, connect heterotypic cross-section steel wire on chuck 2 with the pin, the pin will restrict the displacement of vertical direction, the displacement of the horizontal direction is made to lantern ring 1, guarantee that the test piece is fixed completely.
Claims (6)
1. The utility model provides a high temperature tensile test anchor clamps suitable for abnormal shape cross-section steel wire which characterized in that: the clamp comprises a lantern ring (1) and a chuck (2);
chuck (2) are the cylinder form, the lower surface center department of chuck (2) is equipped with the boss, the upper surface center department of chuck (2) is equipped with square through hole, the edge of chuck (2) is even on the circumferencial direction outer wall is equipped with two pinholes, and two pinhole symmetries set up, the cuboid form of lantern ring (1) for having the cavity, and lantern ring (1) top is equipped with a plurality of square boss of n, n is the positive integer, two side symmetries of the lantern ring (1) are equipped with the multiunit through-hole, the one end of the lantern ring (1) is passed in chuck (2), and through pin fixed connection.
2. The high-temperature tensile test fixture suitable for the special-shaped section steel wire according to claim 1, characterized in that: the number n of the square bosses above the lantern ring (1) is more than or equal to 1 and less than or equal to 3.
3. The high-temperature tensile test fixture suitable for the special-shaped section steel wire according to claim 2, characterized in that: the lantern ring (1) and the chuck (2) are both made of high-temperature alloy 4169.
4. The high-temperature tensile test fixture suitable for the special-shaped section steel wire according to claim 3, wherein: the section of the lantern ring (1) is 5:3 rectangular.
5. The high-temperature tensile test fixture suitable for the special-shaped section steel wire according to claim 4, wherein: the length of the lantern ring (1) is 6 mm-10 mm.
6. The high-temperature tensile test fixture suitable for the special-shaped section steel wire according to claim 1, characterized in that: the diameter of the chuck (2) is 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911261103.2A CN110779808A (en) | 2019-12-10 | 2019-12-10 | High-temperature tensile test fixture suitable for special-shaped section steel wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911261103.2A CN110779808A (en) | 2019-12-10 | 2019-12-10 | High-temperature tensile test fixture suitable for special-shaped section steel wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110779808A true CN110779808A (en) | 2020-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911261103.2A Pending CN110779808A (en) | 2019-12-10 | 2019-12-10 | High-temperature tensile test fixture suitable for special-shaped section steel wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110779808A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1793823A (en) * | 2005-12-30 | 2006-06-28 | 四川大学 | Movable gripping head of Young's modulus instrument |
| CN103018101A (en) * | 2012-12-20 | 2013-04-03 | 南京航空航天大学 | Clamp for high temperature tensile test of ceramic matrix composite material |
| CN203629955U (en) * | 2013-11-28 | 2014-06-04 | 江苏科技大学 | Steel wire rope clamping device |
| CN203658150U (en) * | 2013-10-25 | 2014-06-18 | 中石化胜利油建工程有限公司 | Novel plastic tensile property test clamp |
| CN104122143A (en) * | 2014-07-14 | 2014-10-29 | 宝钢集团南通线材制品有限公司 | A clamp specially used for a low-frequency electro-hydraulic servo fatigue testing machine |
| CN107024385A (en) * | 2017-04-20 | 2017-08-08 | 江苏博朗森思医疗器械有限公司 | A kind of novel fine justifies wire tension test fixture |
| CN206504819U (en) * | 2017-03-09 | 2017-09-19 | 江苏法尔胜技术开发中心有限公司 | A kind of chuck of vertical pulling method measuring steel wire rope tension |
| CN207764042U (en) * | 2018-01-23 | 2018-08-24 | 中钢集团郑州金属制品研究院有限公司 | A kind of clamping device carrying out high frequency fatigue test suitable for hot-dip galvanizing steel wire |
| CN110031311A (en) * | 2019-05-20 | 2019-07-19 | 贵州工程应用技术学院 | The method of rapid survey rock tensile mechanical properties |
| CN211148310U (en) * | 2019-12-10 | 2020-07-31 | 哈尔滨工业大学 | High-temperature tensile test fixture suitable for special-shaped section steel wire |
-
2019
- 2019-12-10 CN CN201911261103.2A patent/CN110779808A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1793823A (en) * | 2005-12-30 | 2006-06-28 | 四川大学 | Movable gripping head of Young's modulus instrument |
| CN103018101A (en) * | 2012-12-20 | 2013-04-03 | 南京航空航天大学 | Clamp for high temperature tensile test of ceramic matrix composite material |
| CN203658150U (en) * | 2013-10-25 | 2014-06-18 | 中石化胜利油建工程有限公司 | Novel plastic tensile property test clamp |
| CN203629955U (en) * | 2013-11-28 | 2014-06-04 | 江苏科技大学 | Steel wire rope clamping device |
| CN104122143A (en) * | 2014-07-14 | 2014-10-29 | 宝钢集团南通线材制品有限公司 | A clamp specially used for a low-frequency electro-hydraulic servo fatigue testing machine |
| CN206504819U (en) * | 2017-03-09 | 2017-09-19 | 江苏法尔胜技术开发中心有限公司 | A kind of chuck of vertical pulling method measuring steel wire rope tension |
| CN107024385A (en) * | 2017-04-20 | 2017-08-08 | 江苏博朗森思医疗器械有限公司 | A kind of novel fine justifies wire tension test fixture |
| CN207764042U (en) * | 2018-01-23 | 2018-08-24 | 中钢集团郑州金属制品研究院有限公司 | A kind of clamping device carrying out high frequency fatigue test suitable for hot-dip galvanizing steel wire |
| CN110031311A (en) * | 2019-05-20 | 2019-07-19 | 贵州工程应用技术学院 | The method of rapid survey rock tensile mechanical properties |
| CN211148310U (en) * | 2019-12-10 | 2020-07-31 | 哈尔滨工业大学 | High-temperature tensile test fixture suitable for special-shaped section steel wire |
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