CN111060390B - High-efficiency high-temperature stretching clamping device and testing method - Google Patents
High-efficiency high-temperature stretching clamping device and testing methodInfo
- Publication number
- CN111060390B CN111060390B CN201911289799.XA CN201911289799A CN111060390B CN 111060390 B CN111060390 B CN 111060390B CN 201911289799 A CN201911289799 A CN 201911289799A CN 111060390 B CN111060390 B CN 111060390B
- Authority
- CN
- China
- Prior art keywords
- chuck
- clamp
- temperature
- clamping assembly
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000009864 tensile test Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000010998 test method Methods 0.000 claims 1
- 230000007123 defense Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000001808 coupling effect Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000015842 Hesperis Nutrition 0.000 description 1
- 235000012633 Iberis amara Nutrition 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
Abstract
The invention relates to a high-efficiency high-temperature stretching clamping device and a testing method, and belongs to the technical field of testing machines and precise instruments. The high-temperature tensile testing device comprises an upper clamp, a lower clamp and a clamping assembly, wherein the upper clamp and the lower clamp are respectively connected with a high-temperature tensile testing device (external equipment) through a universal joint I and a universal joint II, and the clamping assembly is respectively connected with an upper slotting chuck and a lower slotting chuck through an upper spherical hinge I and a lower spherical hinge I. The clamping assembly comprises a rod-shaped sample clamping assembly and a plate-shaped sample clamping assembly, and can clamp plate-shaped and rod-shaped samples of different materials and sizes. The advantages are that: the device has the advantages of simple structure, convenient sample clamping and good centering, can ensure parallel test of a plurality of samples, greatly improves test efficiency, and provides technical guarantee for testing high-temperature mechanical properties of key structural materials in the fields of aerospace, automobile manufacturing, national defense and military industry and the like.
Description
Technical Field
The invention relates to the technical field of testers and precise instruments, in particular to a high-efficiency high-temperature stretching clamping device and a testing method. The device can clamp a plurality of samples at one time in the test process, and the test efficiency is greatly improved. Based on the high-efficiency high-temperature stretching clamping device, the high-efficiency high-temperature stretching testing method is provided, and technical guarantee is provided for testing the high-temperature mechanical properties of key structural materials in the fields of aerospace, automobile manufacturing, national defense and military industry and the like.
Background
With the continuous development of science and technology, the requirements for testing the mechanical properties of key structural materials in various fields are increasing. In the fields of aerospace, automobile manufacturing, national defense and military industry and the like, some key structures such as aeroengine blades, automobile crankshafts, skins of aircraft rockets and the like often bear coupling actions of high temperature and mechanical loads, failure damage caused by the coupling actions occurs, huge losses are brought to national economy, and the key structures are ill-understood on deformation damage and failure damage mechanisms of key materials under the coupling actions of high temperature and mechanical loads. Therefore, the performance test of the simulated material under the actual service condition is significant.
The development of the high-temperature tensile test is the most direct method for obtaining deformation damage and failure mechanism of the material under the coupling action of high temperature and mechanical load. For high-temperature tensile test, a great number of scholars at home and abroad develop a plurality of test devices and sample clamping devices, the utility model patent CN201510344645.1 provides a high-temperature tensile clamp which can realize rapid clamping and taking out of samples, the utility model patent CN201320116368.5 provides a plate-shaped sample high-temperature tensile clamp which can realize accurate centering of plate-shaped samples, the utility model patent CN201820032001.8 provides a rod-shaped sample high-temperature tensile clamp, and the problem of sample deformation bonding clamp at high temperature is solved. The sample clamping device can effectively perform high-temperature tensile test on materials and ensure test precision. However, the disadvantage is that only one sample can be tested at a time during the test, which results in long test time, low energy utilization and low test efficiency. How to improve the efficiency of high-temperature tensile test and ensure the test precision is a problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a high-efficiency high-temperature stretching clamping device and a testing method, which solve the problems in the prior art, meet the important requirements of testing the mechanical properties of materials in the national high-temperature environment, and provide technical guarantee for testing the mechanical properties of materials with key structures in the fields of aerospace, automobile manufacturing, national defense and military industry and the like. The device has the advantages of simple structure, convenient sample clamping and good centering, can ensure parallel test of a plurality of samples, greatly improves test efficiency, and provides technical guarantee for testing the high-temperature mechanical properties of key structural materials in the fields of aerospace, automobile manufacturing, national defense and military industry and the like.
The above object of the present invention is achieved by the following technical solutions:
The high-efficiency high-temperature stretching clamping device comprises an upper clamp 1, a lower clamp 2 and a clamping assembly 3, wherein the upper clamp 1 and the lower clamp 2 are respectively connected with a high-temperature stretching testing device through a universal joint I105 and a universal joint II 203, and the clamping device is integrally centered in the test process; the clamping assembly 3 is connected with the upper slotting chuck 103 of the upper clamp 1 and the lower slotting chuck 201 of the lower clamp 2 through the upper spherical hinge I30101 and the lower spherical hinge I30103 respectively, so that automatic centering of each sample in the test process is realized.
The clamping assembly 3 comprises a rod-shaped sample clamping assembly 301 and a plate-shaped sample clamping assembly 302 which can be used interchangeably, wherein a rod-shaped sample 30102 of the rod-shaped sample clamping assembly 301 is in rigid connection through the matching of external threads of the end parts with internal threads of an upper thread clamp head I30105 and a lower thread clamp head I30104, the external cylindrical surface of the upper thread clamp head I30105 is matched with the internal cylindrical surface of an upper spherical hinge I30101, and the external cylindrical surface of the lower thread clamp head I30104 is matched with the internal cylindrical surface of a lower spherical hinge I30103; the upper end of a plate-shaped sample 30203 of the plate-shaped sample clamping assembly 302 is rigidly connected with an upper plate-shaped chuck 30202 through a bolt 30208 and a nut 30207, the lower end of the plate-shaped sample is rigidly connected with a lower plate-shaped chuck 30204 through a bolt 30208 and a nut 30207, the upper plate-shaped chuck 30202 is in threaded connection with an upper thread chuck II 30209, the lower plate-shaped chuck 30204 is in threaded connection with a lower thread chuck II 30205, the outer cylindrical surface of the upper thread chuck 30209 II is matched with the inner cylindrical surface of an upper spherical hinge II 30201, the outer cylindrical surface of the lower thread chuck II 30205 is matched with the inner cylindrical surface of a lower spherical hinge II 30206, the upper spherical hinge II 30201 is matched with the upper slotted chuck 103 through a spherical surface, and the lower spherical hinge II 30206 is matched with the lower slotted chuck 201 through a spherical surface; the rod-shaped sample holding unit 301 and the plate-shaped sample holding unit 302 are used interchangeably, and can firmly hold plate-shaped and rod-shaped samples of various materials and sizes.
The upper clamp 1 comprises a universal joint I105, an upper clamping plate 101, a force sensor 102, a high Wen Liangan I104 and an upper slotted chuck 103, wherein the upper end of the upper clamping plate 101 is locked with the universal joint I105, the lower end of the upper clamping plate is connected with the force sensor 102 through a double-end stud, the upper end of the high Wen Liangan I104 is in threaded connection with the force sensor 102, and the lower end of the upper clamping plate is in threaded connection with the upper slotted chuck 103.
The lower clamp 2 comprises a universal joint II 203, a lower clamping plate 202, a high Wen Liangan II 204 and a lower slotting chuck 201, wherein the lower end of the lower clamping plate 202 is locked with the universal joint II 203, the upper end of the lower clamping plate is in threaded connection with the high-temperature connecting rod II 204, and the upper end of the high Wen Liangan II 204 is in threaded connection with the lower slotting chuck 201.
Another object of the present invention is to provide a high-efficiency high-temperature tensile test method, which comprises the following steps when a high-temperature tensile test is performed on a rod-shaped sample:
Step 1, clamp installation: the upper clamp 1 and the lower clamp 2 are respectively arranged at the upper end and the lower end of external equipment of the universal testing machine through a universal joint I105 and a universal joint II 203;
Step 2, mounting a clamping assembly 3: the rod-shaped sample clamping assembly 301 is installed by installing an upper threaded chuck 30105 and an upper spherical hinge I30101 together, installing a lower threaded chuck I30104 and a lower spherical hinge I30103 together, then respectively connecting two ends of a rod-shaped sample 30102 sprayed with high-temperature speckles with the upper threaded chuck I30105 and the lower threaded chuck I30104 in a threaded manner, and connecting the rod-shaped sample clamping assembly 301 with an upper slotted chuck 103 of an upper clamp 1 and a lower slotted chuck 201 of a lower clamp 2 through the upper spherical hinge I30101 and the lower spherical hinge I30103 to complete the installation of the rod-shaped sample clamping assembly 301;
Step 3, starting the high-temperature non-contact strain gauge: starting a high-temperature non-contact strain gauge to perform high-temperature strain measurement on four rod-shaped samples 30102;
Step 4, loading high-temperature tensile load: starting high-temperature loading equipment to heat up to a specified temperature, and preserving heat for 10min; starting a static stretching loading unit of the universal testing machine, and performing static stretching loading on the tested sample by adopting displacement control, so as to finish loading of high-temperature stretching load; the stress-strain curve of each sample is obtained through subsequent data processing by the real force value measured by the force sensor 102 and the strain value measured by the high-temperature non-contact strain gauge.
The invention has the beneficial effects that: the device comprises an upper clamp, a lower clamp and a clamping assembly, wherein the upper clamp and the lower clamp are respectively connected with a high-temperature tensile testing device (external equipment) through a universal joint I and a universal joint II, and the clamping assembly is respectively connected with an upper slotting chuck and a lower slotting chuck through an upper spherical hinge I and a lower spherical hinge I. The clamping assembly comprises a rod-shaped sample clamping assembly and a plate-shaped sample clamping assembly, and can clamp plate-shaped and rod-shaped samples of different materials and sizes. The device has the advantages of simple structure, convenient sample clamping and good centering, can ensure parallel test of a plurality of samples, greatly improves test efficiency, and provides technical guarantee for testing the high-temperature mechanical properties of key structural materials in the fields of aerospace, automobile manufacturing, national defense and military industry and the like.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate and explain the application and together with the description serve to explain the application.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic structural view of an upper clamp of the present invention;
FIG. 3 is a schematic view of the structure of the lower clamp of the present invention;
FIG. 4 is a schematic view of a clamping assembly according to the present invention;
FIG. 5 is a schematic view of a rod-shaped sample holding assembly according to the present invention;
FIG. 6 is a schematic view of a plate-like sample clamping assembly of the present invention;
FIG. 7 is a partial schematic view of the joint between the ball joint and the slotted chuck according to the present invention;
FIG. 8 is a schematic view of the installation of the rod-shaped sample holder assembly of the present invention.
In the figure: 1. a clamp is arranged; 2. a lower clamp; 3. a clamping assembly; 101. an upper clamping plate; 102. a force sensor; 103. an upper slotted chuck; 104. a high-temperature connecting rod I; 105. a universal joint I; 201. a lower slotted chuck; 202. a lower clamping plate; 203. a universal joint II; 204. a high-temperature connecting rod II; 301. a rod-shaped sample clamping assembly; 302. a plate-like sample holding member; 30101. the upper spherical hinge I; 30102. a rod-shaped sample; 30103. a lower spherical hinge I; 30104. a lower thread clamp I; 30105. an upper thread chuck I; 30201. a spherical hinge II is arranged; 30202. an upper plate-shaped chuck; 30203. a plate-like sample; 30204. a lower plate-shaped chuck; 30205. a lower thread clamp II; 30206. a lower spherical hinge II; 30207. a nut; 30208. a bolt; 30209. and (5) an upper thread chuck II.
Detailed Description
The details of the present invention and its specific embodiments are further described below with reference to the accompanying drawings.
Referring to fig. 1 to 8, the high-efficiency high-temperature tensile clamping device comprises an upper clamp 1, a lower clamp 2 and a clamping assembly 3, wherein the upper clamp 1 and the lower clamp 2 are respectively connected with a high-temperature tensile testing device (external equipment) through a universal joint I105 and a universal joint II 203, and the clamping device is integrally centered in the test process; the clamping assembly 3 is connected with the upper slotting chuck 103 of the upper clamp 1 and the lower slotting chuck 201 of the lower clamp 2 through the upper spherical hinge I30101 and the lower spherical hinge I30103 respectively, so that automatic centering of each sample in the test process is realized. The spherical hinge material is a high-temperature alloy with small thermal expansion coefficient, high temperature resistance and good wear resistance.
Referring to fig. 4 to 6, the clamping assembly 3 comprises a rod-shaped sample clamping assembly 301 and a plate-shaped sample clamping assembly 302 which can be used interchangeably, wherein the rod-shaped sample clamping assembly 301 comprises an upper thread clamp head i 30105, a lower thread clamp head i 30104, an upper spherical hinge i 30101, a lower spherical hinge i 30103 and a rod-shaped sample 30102, the rod-shaped sample 30102 is in rigid connection with the upper thread clamp head i 30105 and the lower thread clamp head i 30104 through the matching of the external cylindrical surface of the upper thread clamp head i 30105 and the internal cylindrical surface of the upper spherical hinge i 30101 and the external cylindrical surface of the lower thread clamp head i 30104 and the internal cylindrical surface of the lower spherical hinge i 30103; the plate-shaped sample clamping assembly 302 comprises an upper thread clamp II 30209, a lower thread clamp II 30205, an upper spherical hinge II 30201, a lower spherical hinge II 30206, an upper plate clamp 30202, a lower plate clamp 30204, a bolt 30208, a nut 30207 and a plate-shaped sample 30203, wherein the upper end of the plate-shaped sample 30203 is rigidly connected with the upper plate clamp 30202 through a bolt 30208 and the nut 30207, the lower end of the plate-shaped sample 30203 is rigidly connected with the lower plate clamp 30204 through a bolt 30208 and the nut 30207, the upper plate clamp 30202 is in threaded connection with the upper thread clamp II 30209, the lower plate clamp 30204 is in threaded connection with the lower thread clamp II 30205, the outer cylindrical surface of the upper thread clamp 30209 II is matched with the inner cylindrical surface of the upper spherical hinge II 30201, the outer cylindrical surface of the lower thread clamp II 30205 is matched with the inner cylindrical surface of the lower spherical hinge II 30206, the upper spherical hinge II 30201 is matched with the upper grooved clamp 103 through a spherical surface, and the lower spherical hinge II 30206 is matched with the lower grooved clamp 201 through a spherical surface; the rod-shaped sample holding unit 301 and the plate-shaped sample holding unit 302 are used interchangeably, and can firmly hold plate-shaped and rod-shaped samples of various materials and sizes.
Referring to fig. 2, the upper fixture 1 includes a universal joint i 105, an upper clamping plate 101, a force sensor 102, a height Wen Liangan i 104, and an upper slotted chuck 103, wherein the upper end of the upper clamping plate 101 is locked with the universal joint i 105, the lower end is connected with the force sensor 102 through a stud, the upper end of the height Wen Liangan i 104 is in threaded connection with the force sensor 102, and the lower end is in threaded connection with the upper slotted chuck 103.
Referring to fig. 3, the lower fixture 2 includes a universal joint ii 203, a lower clamping plate 202, a high Wen Liangan ii 204, and a lower slotted chuck 201, where the lower end of the lower clamping plate 202 is locked with the universal joint ii 203, the upper end is in threaded connection with the high temperature connecting rod ii 204, and the upper end of the high Wen Liangan ii 204 is in threaded connection with the lower slotted chuck 201.
Referring to fig. 1 to 8, the high-efficiency high-temperature tensile test method of the present invention, when performing a high-temperature tensile test of a bar-shaped specimen, comprises the steps of:
Step 1, clamp installation: the upper clamp 1 and the lower clamp 2 are respectively arranged at the upper end and the lower end of a universal testing machine (external equipment) through a universal joint I105 and a universal joint II 203;
Step 2, mounting a clamping assembly 3: the rod-shaped sample clamping assembly 301 is installed by installing an upper threaded chuck 30105 and an upper spherical hinge I30101 together, installing a lower threaded chuck I30104 and a lower spherical hinge I30103 together, then respectively connecting two ends of a rod-shaped sample 30102 sprayed with high-temperature speckles with the upper threaded chuck I30105 and the lower threaded chuck I30104 in a threaded manner, and connecting the rod-shaped sample clamping assembly 301 with an upper slotted chuck 103 of an upper clamp 1 and a lower slotted chuck 201 of a lower clamp 2 through the upper spherical hinge I30101 and the lower spherical hinge I30103 to complete the installation of the rod-shaped sample clamping assembly 301;
Step 3, starting the high-temperature non-contact strain gauge: starting a high-temperature non-contact strain gauge to perform high-temperature strain measurement on four rod-shaped samples 30102;
Step 4, loading high-temperature tensile load: starting high-temperature loading equipment (external equipment) to heat up to a specified temperature, and preserving heat for 10min; starting a static stretching loading unit of a universal testing machine (external equipment), and performing static stretching loading on a tested sample by adopting displacement control, so as to finish loading of high-temperature stretching load; the stress-strain curve of each sample is obtained through subsequent data processing by the real force value measured by the force sensor 102 and the strain value measured by the high-temperature non-contact strain gauge.
The above description is only a preferred example of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The high-efficiency high-temperature tensile testing method is realized through a high-efficiency high-temperature tensile clamping device and is characterized in that: the high-efficiency high-temperature stretching clamping device comprises a plurality of groups of upper clamps (1), lower clamps (2) and clamping assemblies (3), and is used for testing a plurality of samples in parallel; the upper clamp (1) and the lower clamp (2) are respectively connected with the high-temperature tensile testing device through a universal joint I (105) and a universal joint II (203), and the integral centering of the clamping device in the test process is realized; the clamping assembly (3) is connected with an upper slotting chuck (103) of the upper clamp (1) and a lower slotting chuck (201) of the lower clamp (2) through an upper spherical hinge I (30101) and a lower spherical hinge I (30103) respectively, so that automatic centering of each sample in the test process is realized;
the test method comprises the following steps:
Step 1, clamp installation: the upper clamp (1) and the lower clamp (2) are respectively arranged at the upper end and the lower end of a universal testing machine (external equipment) through a universal joint I (105) and a universal joint II (203);
Step 2, mounting a clamping assembly (3): an upper thread clamp head (30105) of a rod-shaped sample clamping assembly (301) is installed together with an upper spherical hinge I (30101), a lower thread clamp head I (30104) is installed together with a lower spherical hinge I (30103), then two ends of the rod-shaped sample (30102) sprayed with high-temperature speckles are respectively in threaded connection with the upper thread clamp head I (30105) and the lower thread clamp head I (30104), the rod-shaped sample clamping assembly (301) is connected with an upper slotting clamp head (103) of an upper clamp (1) and a lower slotting clamp head (201) of a lower clamp (2) through the upper spherical hinge I (30101) and the lower spherical hinge I (30103), and the rod-shaped sample clamping assembly (301) is installed;
Step 3, starting the high-temperature non-contact strain gauge: starting a high-temperature non-contact strain gauge to measure high-temperature strain of four rod-shaped samples (30102);
Step 4, loading high-temperature tensile load: starting high-temperature loading equipment to heat up to a specified temperature, and preserving heat for 10min; starting a static stretching loading unit of the universal testing machine, and performing static stretching loading on the tested sample by adopting displacement control, so as to finish loading of high-temperature stretching load; the stress-strain curve of each sample is obtained through subsequent data processing by the real force value measured by the force sensor (102) and the strain value measured by the high-temperature non-contact strain measuring instrument.
2. The high-efficiency high-temperature tensile testing method according to claim 1, wherein: the clamping assembly (3) comprises a rod-shaped sample clamping assembly (301) and a plate-shaped sample clamping assembly (302) which can be used interchangeably, wherein a rod-shaped sample (30102) of the rod-shaped sample clamping assembly (301) is in rigid connection with an upper thread clamp head I (30105) and an inner thread of a lower thread clamp head I (30104) through external threads at the end parts, the external cylindrical surface of the upper thread clamp head I (30105) is matched with the inner cylindrical surface of an upper spherical hinge I (30101), and the external cylindrical surface of the lower thread clamp head I (30104) is matched with the inner cylindrical surface of a lower spherical hinge I (30103); the upper end of a plate-shaped sample (30203) of the plate-shaped sample clamping assembly (302) is rigidly connected with an upper plate-shaped chuck (30202) through a bolt (30208) and a nut (30207), the lower end of the plate-shaped sample clamping assembly is rigidly connected with a lower plate-shaped chuck (30204) through a bolt (30208) and a nut (30207), the upper plate-shaped chuck (30202) is in threaded connection with an upper threaded chuck II (30209), the lower plate-shaped chuck (30204) is in threaded connection with a lower threaded chuck II (30205), the outer cylindrical surface of the upper threaded chuck (30209) is matched with the inner cylindrical surface of an upper spherical hinge II (30201), the outer cylindrical surface of the lower threaded chuck II (30205) is matched with the inner cylindrical surface of a lower spherical hinge II (30206), the upper spherical hinge II (30201) is matched with an upper slotted chuck (103) through a spherical surface, and the lower spherical hinge II (30206) is matched with a lower slotted chuck (201) through a spherical surface; the rod-shaped sample clamping assembly (301) and the plate-shaped sample clamping assembly (302) are used interchangeably, so that the plate-shaped and rod-shaped samples with different materials and sizes can be firmly clamped.
3. The high-efficiency high-temperature tensile testing method according to claim 1, wherein: the upper clamp (1) comprises a universal joint I (105), an upper clamping plate (101), a force sensor (102), a high Wen Liangan I (104) and an upper slotting chuck (103), wherein the upper end of the upper clamping plate (101) is locked with the universal joint I (105), the lower end of the upper clamping plate is connected with the force sensor (102) through a double-end stud, the upper end of the high Wen Liangan I (104) is in threaded connection with the force sensor (102), and the lower end of the high Wen Liangan I is in threaded connection with the upper slotting chuck (103).
4. The high-efficiency high-temperature tensile testing method according to claim 1, wherein: the lower clamp (2) comprises a universal joint II (203), a lower clamping plate (202), a high Wen Liangan II (204) and a lower slotted chuck (201), wherein the lower end of the lower clamping plate (202) is locked with the universal joint II (203), the upper end of the lower clamping plate is in threaded connection with a high-temperature connecting rod II (204), and the upper end of the high Wen Liangan II (204) is in threaded connection with the lower slotted chuck (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911289799.XA CN111060390B (en) | 2019-12-16 | High-efficiency high-temperature stretching clamping device and testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911289799.XA CN111060390B (en) | 2019-12-16 | High-efficiency high-temperature stretching clamping device and testing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111060390A CN111060390A (en) | 2020-04-24 |
| CN111060390B true CN111060390B (en) | 2024-07-09 |
Family
ID=
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205981891U (en) * | 2016-08-30 | 2017-02-22 | 浙江工业大学 | Slow strain rate tensile test clamp |
| CN209707259U (en) * | 2019-03-26 | 2019-11-29 | 天祥(天津)质量技术服务有限公司 | A kind of stretcher strain ability meter |
| CN211697236U (en) * | 2019-12-16 | 2020-10-16 | 吉林大学 | High-efficient high-temperature stretching clamping device |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205981891U (en) * | 2016-08-30 | 2017-02-22 | 浙江工业大学 | Slow strain rate tensile test clamp |
| CN209707259U (en) * | 2019-03-26 | 2019-11-29 | 天祥(天津)质量技术服务有限公司 | A kind of stretcher strain ability meter |
| CN211697236U (en) * | 2019-12-16 | 2020-10-16 | 吉林大学 | High-efficient high-temperature stretching clamping device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110567819B (en) | Method for testing high-temperature compressive yield strength of material | |
| CN202735163U (en) | Fixture for testing bolted connection extrusion strength of composite material | |
| CN108344642B (en) | Creep experiment device based on gravity loading three-point bending and testing method | |
| CN110044690B (en) | Sample clamping device and method for high-temperature low-frequency complex load loading test | |
| CN110595889B (en) | Method for testing compressive yield strength of material | |
| CN103163016A (en) | Auxiliary device for carrying out axial tension test on quasi brittle materials | |
| CN107727487A (en) | Material at high temperature Mechanics Performance Testing equipment under a kind of aerothermodynamic coupling environment | |
| CN104019968A (en) | Testing system for testing fatigue performance of propeller blades | |
| CN111060390B (en) | High-efficiency high-temperature stretching clamping device and testing method | |
| CN109883820A (en) | Sample holding device for high-temperature high-frequency complex load load test | |
| CN111189717B (en) | Material and structure biaxial loading mechanical property test system in ultralow temperature environment | |
| CN110501216B (en) | Creep compression clamp assembly | |
| CN205352833U (en) | Bolt tensile test universal fixturing | |
| CN210136133U (en) | Sample clamping device for high-temperature low-frequency complex load loading test | |
| CN211697236U (en) | High-efficient high-temperature stretching clamping device | |
| CN111272557A (en) | Metal material compression creep testing device and measuring method | |
| CN107677541B (en) | Clamp for improving centering precision of carbon fiber composite material compression test piece | |
| CN111060390A (en) | High-efficiency high-temperature stretching clamping device and testing method | |
| CN110501217B (en) | Creep compression clamp | |
| CN209878471U (en) | Sample clamping device for high-temperature high-frequency complex load loading test | |
| CN113109141A (en) | High-temperature compression test fixture for special-shaped thin-wall plate-shaped structure | |
| CN111289357B (en) | Clamp device for vacuum high-temperature indentation creep test | |
| CN211179300U (en) | Stretching-twisting composite extensometer | |
| CN210604203U (en) | Three-point bending electric automatic accurate centering adjustment fixture | |
| CN110220791B (en) | Axial tensile test device for cylindrical concrete member |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |