CN109374402B - Bellows tension and compression test device and test method - Google Patents
Bellows tension and compression test device and test method Download PDFInfo
- Publication number
- CN109374402B CN109374402B CN201811559688.1A CN201811559688A CN109374402B CN 109374402 B CN109374402 B CN 109374402B CN 201811559688 A CN201811559688 A CN 201811559688A CN 109374402 B CN109374402 B CN 109374402B
- Authority
- CN
- China
- Prior art keywords
- pull
- corrugated pipe
- compression
- end part
- joint
- 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
Classifications
-
- 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
-
- 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
-
- 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
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- 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
The invention provides a corrugated pipe tension and compression test device and a test method. The testing machine is fixed on the ground, one end of the pull-up compression joint is connected with an upper platform of the universal testing machine, the other end of the pull-up compression joint is connected with one end of a corrugated pipe testing piece, the other end of the corrugated pipe testing piece is connected with one end of a pull-down compression joint, the other end of the pull-down compression joint is connected with a lower platform of the universal testing machine, the fixed inner cylinder is connected with the pull-up compression joint and penetrates into the corrugated pipe testing piece, and the fixed sleeve is connected with the pull-up compression joint and wraps the corrugated pipe testing piece. The invention has high test efficiency and high test precision, is suitable for relevant tests such as stretching and compressing of the corrugated pipe in the fields of aerospace, mechanical industry and the like, is easy to popularize and apply, and has great practical value.
Description
Technical Field
The invention belongs to the technical field of pipeline connector tests, and particularly relates to a corrugated pipe tension and compression test device and a test method which are wide in application range, modularized, automatic, safe and environment-friendly.
Background
The corrugated pipe is a flexible pressure-resistant pipe fitting arranged in a fluid or circuit system and used for compensating the mutual displacement of a pipeline and a connecting end of equipment, absorbing vibration energy, playing roles of vibration reduction, noise reduction and the like, and has the characteristics of good flexibility, light weight, corrosion resistance, fatigue resistance, high and low temperature resistance and the like.
In order to check the mechanical properties of the corrugated pipe, the corrugated pipe needs to be subjected to a tensile test or a compression test, the existing test tool can only realize a single test of the tensile test or the compression test of the corrugated pipe, and the test tool is relatively complex and difficult to disassemble and assemble. And the bending deformation problem of the corrugated pipe in the stretching or compressing process is not considered in the stretching or compressing test process, and the stretching or compressing test precision is poor.
Disclosure of Invention
In order to overcome the defects of complicated component assembly, low test efficiency, bending deformation of the corrugated pipe and the like in the existing corrugated pipe stretching or compression test process, the corrugated pipe stretching and compression test device with high test efficiency and high test precision is provided, is suitable for relevant tests such as stretching and compression of the corrugated pipe in various fields such as aerospace, mechanical industry and the like, is easy to popularize and apply, and has great practical value.
The invention provides a corrugated pipe tension-compression test device which comprises a test machine, a tension-compression joint and a fixing device, wherein the tension-compression joint comprises an upper tension-compression joint and a lower tension-compression joint, the fixing device comprises a fixed inner cylinder and a fixed sleeve,
the testing machine is fixed on the ground, one end of the pull-up compression joint is connected with an upper platform of the testing machine, the other end of the pull-up compression joint is connected with one end of the corrugated pipe testing piece, the other end of the corrugated pipe testing piece is connected with one end of the pull-down compression joint, the other end of the pull-down compression joint is connected with a lower platform of the testing machine, one end of the fixed inner cylinder is connected with the pull-up compression joint, the other end of the fixed inner cylinder penetrates into the corrugated pipe testing piece, one end of the fixed sleeve is connected with the pull-up compression joint, and the other end of the fixed sleeve is sleeved outside the corrugated pipe testing piece.
Preferably, the pull-up pressing joint and the pull-down pressing joint are both in a stepped cylindrical structure.
Preferably, one end of the cylindrical structure of the pull-up compression joint is provided with a pin hole along the radial direction, and the pin hole is configured for being connected with an upper platform of the testing machine.
Preferably, the other end part of the cylindrical structure of the pull-up compression joint is provided with a groove matched with the corrugated pipe test piece along the radial direction, and the top surface of the groove is provided with a threaded hole.
Preferably, a pin hole is formed in one end portion of the cylindrical structure of the pull-down press joint in the radial direction, the pin hole is configured to be connected with a lower platform of the testing machine, a groove matched with the corrugated pipe test piece is formed in the other end portion of the cylindrical structure of the pull-down press joint in the radial direction, and an external thread structure is further arranged at the end portion provided with the groove.
Preferably, the fixed inner cylinder is a cylindrical structural member, one end of the fixed inner cylinder is provided with an external thread structure, the end is connected with the pull-up crimping head through the external thread structure, and the other end of the fixed inner cylinder is provided with a screwing structure, and the end penetrates into the corrugated pipe test piece through the screwing structure.
Preferably, the fixing sleeve is a cylindrical structural member, an internal thread structure is arranged in one end portion of the cylindrical structural member, knurling is arranged outside the cylindrical structural member, the end portion is connected with the pull-down crimping connector, and the other end portion of the cylindrical structural member is sleeved outside the corrugated pipe test piece.
Preferably, a method for testing by using the bellows tension-compression testing device comprises the following testing processes:
s1, connecting a corrugated pipe test piece to a corrugated pipe tension-compression test device;
s2, setting the stretching speed, the stretching force and the stretching displacement of the testing machine according to the testing requirements, and resetting the load value;
s3, a tensile test process: when an upper platform of the adjusting tester is contacted with the bottom surface of the mounting flange of the corrugated pipe test piece, starting the test, stopping the test when the set tensile force or tensile displacement is reached, and recording the deformation or tensile force of the corrugated pipe test piece under the tensile force or tensile displacement;
s4, compression test process: when the upper platform of the adjusting tester is contacted with the top surface of the corrugated pipe test piece, the testing is started, and when the set compression force or compression displacement is reached, the testing is stopped, and the deformation or compression force of the corrugated pipe test piece under the compression force or compression displacement is recorded.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention adopts the joint with the notch adapted to the flange joint of the corrugated pipe to be connected with the corrugated pipe test piece, and compared with the traditional test tool, the invention does not adopt a connection mode of threads or quick-release clamps, has convenient clamping and disassembly, and can realize the stretching and compression test of the corrugated pipe by one-time installation.
(2) Compared with the traditional test tool, the flexible pipe bending deformation can be prevented when the flexible pipe is stretched or compressed, and the test precision of the stretching force or the compression force applied along the axial direction is higher.
(3) The invention has high test efficiency and high test precision, is suitable for relevant tests such as stretching and compressing of the corrugated pipe in the fields of aerospace, mechanical industry and the like, is easy to popularize and apply, and has great practical value.
Drawings
FIG. 1a is a schematic illustration of the various components of the present invention;
FIG. 1b is a second schematic diagram of the components of the present invention;
FIG. 2 is a schematic cross-sectional view of a portion of the structure of the present invention;
FIG. 3 is a second schematic cross-sectional view of a portion of the structure of the present invention;
FIG. 4 is a schematic view of a pull-up crimp of the present invention;
FIG. 5 is a schematic view of a pull-down crimp head according to the present invention;
FIG. 6a is a schematic view of a fixing sleeve according to the present invention;
FIG. 6b is a schematic cross-sectional view of a fixing sleeve according to the present invention;
fig. 7 is a schematic view of the structure of the fixed inner cylinder of the present invention.
Detailed Description
Exemplary embodiments, features and aspects of the present invention will be described in detail below with reference to the attached drawings. In the drawings, like reference numbers indicate identical or functionally similar elements. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The invention provides a corrugated pipe tension and compression test device which comprises a test machine 1, a tension and compression joint and a fixing device. The overall installation structure is schematically shown in fig. 1a and 1 b.
The testing machine 1 is a universal testing machine, and the universal testing machine is a material testing machine integrating functions of stretching, bending, compressing, shearing, ring stiffness and the like, is mainly used for mechanical property tests of metal and nonmetal materials, and most commonly comprises a lever pendulum type and an oil pressure pendulum type.
As shown in fig. 1a and 1b, the pull crimp includes a pull crimp 2 and a pull crimp 3, and the fixing device includes a fixing inner cylinder 6 and a fixing sleeve 5. The pull-up press fitting 2 and the pull-down press fitting 3 are fixedly connected by means of a fixing inner cylinder 6 and a fixing sleeve 5, one end of the bellows test piece 4 is connected with one end of the pull-up press fitting 2, and the other end of the bellows test piece 4 is connected with one end of the pull-down press fitting 3.
The testing machine 1 is fixed on the ground, and the testing machine 1 is provided with an upper platform 11 and a lower platform 12. The upper end, namely the first end, of the pull-up crimping connector 2 is connected with the upper platform of the testing machine 1, the second end, namely the first end, of the pull-up crimping connector 2 is connected with the upper end, namely the first end, of the corrugated pipe testing piece 4, the lower end, namely the second end, of the corrugated pipe testing piece 4 is connected with the upper end, namely the first end, of the pull-down crimping connector 3, and the other end of the pull-down crimping connector 3 is connected with the lower platform of the testing machine 1.
The fixed inner cylinder 6 is connected with the pull-up compression joint 2, and the fixed inner cylinder 6 penetrates into the corrugated pipe test piece 4, the fixed sleeve 5 is connected with the pull-down compression joint 3, and the fixed sleeve 5 is sleeved outside the corrugated pipe test piece 4.
As shown in fig. 1a, 1b, 2 and 4, the pull-up compression joint 2 has a stepped cylindrical structure as a whole. One end part of the pull-up compression joint 2 is provided with a pin hole 21, the other end part of the pull-up compression joint 2 is provided with a groove 22 along the radial direction, the groove 22 is matched with the corrugated pipe, the top surface of the groove 22 is provided with an internal thread structure 23, and the internal thread structure 23 is matched with the thread structure outside the fixed inner cylinder 6.
One end of the pull-up compression joint 2 is connected with the upper platform of the testing machine 1 through a pin hole 21, the other end of the pull-up compression joint 2 is connected with a corrugated pipe through a groove 22, and an internal thread structure 23 is connected with a thread structure 62 outside the fixed internal cylinder 6. The pull-up crimping 2 is provided for connecting the upper platform of the test machine 1 to the bellows test piece 4, in other words, the upper platform of the test machine 1 is connected to the bellows test piece 4 by means of the pull-up crimping 2.
As shown in fig. 1a, 1b, 2 and 5, the pull-down crimp head 3 has a stepped cylindrical structure as a whole. One end of the pull-down press fitting 3 is provided with a pin hole 31, the other end of the pull-down press fitting 3 is provided with a groove 32, the groove 32 is matched with the corrugated pipe test piece 4, the end of the pull-down press fitting 3 provided with the groove is also provided with an external thread structure 33, and the external thread structure 33 is matched with an internal thread structure 52 of the fixed sleeve 5.
One end of the pull-down pressure joint 3 is connected with a lower platform of the testing machine 1 through a pin hole 31, the other end of the pull-down pressure joint 3 is connected with the corrugated pipe test piece 4 through a groove 32, and the external thread structure 33 is connected with an internal thread structure 52 of the fixed sleeve 5. The pull-down crimp 3 serves to connect the lower platform of the testing machine 1 to the bellows test piece 4, in other words, the lower platform of the testing machine 1 is connected to the bellows test piece 4 by means of the pull-up crimp 2.
As shown in fig. 1a, 1b, 2, 3, 6a and 6b, the fixing sleeve 5 is a cylindrical structural member, one end of the cylindrical structural member is internally provided with an internal thread structure, the outside is provided with knurling, one end of the cylindrical structural member is connected with the pull-down crimping connector, and the other end of the cylindrical structural member is sleeved outside the bellows test piece 4.
When in connection, the lower end of the fixed sleeve 5 is connected with the pull-down crimping head 3 through the internal thread structure 52, and the upper end of the fixed sleeve 5 is sleeved outside the corrugated pipe test piece 4. The upper end of the fixed sleeve 5 is provided with a cylindrical structure 53, and the cylindrical structure 53 can be sleeved outside the corrugated pipe test piece 4.
The fixing sleeve 5 is used for realizing radial limiting of the corrugated pipe test piece 4, preventing the corrugated pipe test piece 4 from bending and ensuring that the tensile force and the compressive force are applied along the axial direction.
As shown in fig. 1a, 1b, 2, 3 and 7, the fixed inner cylinder 6 is a cylindrical structural member with an external screw structure 61, one end of which is connected to the pull-up crimping head 2 by the external screw structure 61, and the other end of which is provided with a wrenching structure and penetrates into the bellows test piece 4.
When in connection, the upper end of the fixed inner cylinder 6 is connected with the pull-up compression joint 2 through an external thread structure 61, and the lower end is provided with a screwing structure 62 and penetrates into the corrugated pipe test piece 4.
The fixed inner cylinder 6 is used for realizing radial limit of the corrugated pipe test piece 4, preventing the corrugated pipe test piece 4 from bending, and ensuring that the tensile force and the compressive force are applied along the axial direction.
The working principle of the invention is further explained below:
the invention adopts a universal testing machine to connect the pull-up compression joint 2 and the pull-down compression joint 3 to realize the stretching and the compression of the corrugated pipe; the bending of the corrugated pipe test piece is prevented by the fixed inner cylinder 6 connected with the pull-up press joint and the fixed sleeve 5 of the pull-down press joint respectively, and the stretching and the compression deformation along the axial direction are ensured.
The test process of the invention by using the bellows tension-compression test device comprises the following steps:
s1, connecting a corrugated pipe test piece to a corrugated pipe tension-compression test device;
s2, setting the stretching speed, the stretching force and the stretching displacement of the testing machine according to the testing requirements, and resetting the load value;
s3, a tensile test process: when an upper platform of the adjusting tester is contacted with the bottom surface of the mounting flange of the corrugated pipe test piece, starting the test, stopping the test when the set tensile force or tensile displacement is reached, and recording the deformation or tensile force of the corrugated pipe test piece under the tensile force or tensile displacement;
s4, compression test process: when the upper platform of the adjusting tester is contacted with the top surface of the corrugated pipe test piece, the testing is started, and when the set compression force or compression displacement is reached, the testing is stopped, and the deformation or compression force of the corrugated pipe test piece under the compression force or compression displacement is recorded.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
Test example 1
Measurement of tensile elongation of corrugated hose:
wherein the original length L of the corrugated tube is measured to obtain the elongation S at 100N 1 ：
As shown in fig. 2, first, the original length L of the bellows is measured.
And secondly, connecting the pull-up press joint and the pull-down press joint to a universal testing machine, respectively connecting two ends of the corrugated hose with the pull-up press joint and the pull-down press joint, and adjusting an upper platform of the testing machine to start to contact with the mounting flange of the corrugated pipe test piece.
Setting the tensile force parameter of a stretcher to be 100N, setting the tensile rate v, clearing test load and displacement, starting the test, stopping the test when the tensile force is 100N, and recording the elongation delta L of the corrugated pipe;
calculation of elongation S 1 ＝ΔL/L。
Test example 2
Measurement of the compression ratio of corrugated hose:
original length L of corrugated pipe, and compression ratio S of 100N compression force is measured 2 ：
As shown in fig. 2, first, the original length L of the bellows is measured.
And secondly, connecting the pull-up press joint and the pull-down press joint to a universal testing machine, respectively connecting two ends of the corrugated hose with the pull-up press joint and the pull-down press joint, and adjusting an upper platform of the testing machine to start to contact with the mounting flange of the corrugated pipe test piece.
Setting the compression force parameter of the stretcher as 100N, setting the compression rate v, clearing test load and displacement, starting the test, stopping the test when the compression force is 100N, and recording the elongation delta L of the corrugated pipe;
calculating the compression ratio S 2 ＝ΔL/L。
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention adopts the joint with the notch adapted to the flange joint of the corrugated pipe to be connected with the corrugated pipe test piece, and compared with the traditional test tool, the invention does not adopt a connection mode of threads or quick-release clamps, has convenient clamping and disassembly, and can realize the stretching and compression test of the corrugated pipe by one-time installation.
(2) Compared with the traditional test tool, the flexible pipe bending deformation can be prevented when the flexible pipe is stretched or compressed, and the test precision of the stretching force or the compression force applied along the axial direction is higher.
(3) The invention has high test efficiency and high test precision, is suitable for relevant tests such as stretching and compressing of the corrugated pipe in the fields of aerospace, mechanical industry and the like, is easy to popularize and apply, and has great practical value.
Finally, it should be noted that: the embodiments described above are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (4)
1. The utility model provides a bellows draws pressure test device which characterized in that: which comprises a testing machine, a pull-press joint and a fixing device, wherein the pull-press joint comprises an upward pull-press joint and a downward pull-press joint, the fixing device comprises a fixed inner cylinder and a fixed sleeve,
the testing machine is fixed on the ground, one end part of the pull-up compression joint is connected with an upper platform of the testing machine, the other end part of the pull-up compression joint is connected with one end part of the corrugated pipe test piece, the other end part of the corrugated pipe test piece is connected with one end part of the pull-down compression joint, the other end part of the pull-down compression joint is connected with a lower platform of the testing machine, one end part of the fixed inner cylinder is connected with the pull-up compression joint, the other end part of the fixed inner cylinder penetrates into the corrugated pipe test piece, one end part of the fixed sleeve is connected with the pull-up compression joint, and the other end part of the fixed sleeve is sleeved outside the corrugated pipe test piece;
the upward pulling and pressing joint and the downward pulling and pressing joint are of stepped cylindrical structures;
a pin hole is formed in one end part of the cylindrical structure of the upward-pulling compression joint along the radial direction, and the pin hole is configured to be connected with an upper platform of the testing machine;
a groove matched with the corrugated pipe test piece is formed in the other end part of the cylindrical structure of the pull-up compression joint along the radial direction, and a threaded hole is formed in the top surface of the groove;
the device is characterized in that a pin hole is formed in one end part of the pull-down compression joint cylindrical structure along the radial direction, the pin hole is configured to be connected with a lower platform of the testing machine, a groove matched with a corrugated pipe test piece is formed in the other end part of the pull-down compression joint cylindrical structure along the radial direction, and an external thread structure is further arranged at the end part provided with the groove.
2. The bellows tension-compression test apparatus according to claim 1, wherein: the fixed inner cylinder is a cylindrical structural member, one end part of the fixed inner cylinder is provided with an external thread structure, the end part is connected with the pull-up crimping head through the external thread structure, the other end part of the fixed inner cylinder is provided with a screwing structure, and the end part penetrates into the corrugated pipe test piece through the screwing structure.
3. The bellows tension-compression test apparatus according to claim 1, wherein: the fixing sleeve is a cylindrical structural member, an internal thread structure is arranged in one end portion of the cylindrical structural member, knurling is arranged outside the cylindrical structural member, the end portion is connected with the pull-down crimping connector, and the other end portion of the cylindrical structural member is sleeved outside the corrugated pipe test piece.
4. A method of testing using the bellows tension-compression test apparatus of claim 1, characterized in that: the test process comprises the following steps:
s1, connecting a corrugated pipe test piece to a corrugated pipe tension-compression test device;
s2, setting the stretching speed, the stretching force and the stretching displacement of the testing machine according to the testing requirements, and resetting the load value;
s3, a tensile test process: when an upper platform of the adjusting tester is contacted with the bottom surface of the mounting flange of the corrugated pipe test piece, starting the test, stopping the test when the set tensile force or tensile displacement is reached, and recording the deformation or tensile force of the corrugated pipe test piece under the tensile force or tensile displacement;
s4, compression test process: when the upper platform of the adjusting tester is contacted with the top surface of the corrugated pipe test piece, the testing is started, and when the set compression force or compression displacement is reached, the testing is stopped, and the deformation or compression force of the corrugated pipe test piece under the compression force or compression displacement is recorded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811559688.1A CN109374402B (en) | 2018-12-19 | 2018-12-19 | Bellows tension and compression test device and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811559688.1A CN109374402B (en) | 2018-12-19 | 2018-12-19 | Bellows tension and compression test device and test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109374402A CN109374402A (en) | 2019-02-22 |
| CN109374402B true CN109374402B (en) | 2023-09-05 |
Family
ID=65370977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811559688.1A Active CN109374402B (en) | 2018-12-19 | 2018-12-19 | Bellows tension and compression test device and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109374402B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729800B (en) * | 2020-12-28 | 2023-05-16 | 航天推进技术研究院 | Swinging fatigue test system and method for gas swinging device |
| CN113514216B (en) * | 2021-06-11 | 2023-06-16 | 北京航天动力研究所 | Device and method for realizing dry-wet mode test of metal corrugated pipe assembly |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5917132A (en) * | 1982-07-21 | 1984-01-28 | Sumitomo Metal Ind Ltd | Composite testing device for steel pipe |
| SU1116344A1 (en) * | 1983-04-29 | 1984-09-30 | Московский Ордена Трудового Красного Знамени Инженерно-Физический Институт | Device for intrareactor mechanical tests |
| US5193396A (en) * | 1991-09-25 | 1993-03-16 | Her Majesty The Queen In Right Of Canada | Tensile testing apparatus |
| CN202814793U (en) * | 2012-09-04 | 2013-03-20 | 天津市奥凯石油机械有限公司 | Tensile testing machine |
| CN104101532A (en) * | 2013-04-09 | 2014-10-15 | 中国科学院金属研究所 | Fixture for axial push-pull fatigue testing of metal thin-walled tube sample in high-temperature and high-pressure water |
| CN104535435A (en) * | 2014-10-13 | 2015-04-22 | 南京航空航天大学 | Fragile material tension and torsion test method and test auxiliary device |
| CN104749024A (en) * | 2015-04-10 | 2015-07-01 | 南车南京浦镇车辆有限公司 | Testing method for static strength of vehicle body |
| CN106323789A (en) * | 2016-10-31 | 2017-01-11 | 华中科技大学 | Loading and measuring device for full sea depth simulation frictional wearing bed stand |
| CN206470121U (en) * | 2017-02-14 | 2017-09-05 | 济南科汇试验设备有限公司 | A kind of spring buffer Compression and Expansion test fixture |
| CN107817167A (en) * | 2017-12-05 | 2018-03-20 | 中国航空综合技术研究所 | Pipeline fitting bonding strength test device and its method of testing |
| CN207703637U (en) * | 2017-12-05 | 2018-08-07 | 中国航空综合技术研究所 | Pipeline fitting bonding strength test device |
| CN209215087U (en) * | 2018-12-19 | 2019-08-06 | 中国航空综合技术研究所 | A kind of bellows tension and compression testing device |
-
2018
- 2018-12-19 CN CN201811559688.1A patent/CN109374402B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5917132A (en) * | 1982-07-21 | 1984-01-28 | Sumitomo Metal Ind Ltd | Composite testing device for steel pipe |
| SU1116344A1 (en) * | 1983-04-29 | 1984-09-30 | Московский Ордена Трудового Красного Знамени Инженерно-Физический Институт | Device for intrareactor mechanical tests |
| US5193396A (en) * | 1991-09-25 | 1993-03-16 | Her Majesty The Queen In Right Of Canada | Tensile testing apparatus |
| CN202814793U (en) * | 2012-09-04 | 2013-03-20 | 天津市奥凯石油机械有限公司 | Tensile testing machine |
| CN104101532A (en) * | 2013-04-09 | 2014-10-15 | 中国科学院金属研究所 | Fixture for axial push-pull fatigue testing of metal thin-walled tube sample in high-temperature and high-pressure water |
| CN104535435A (en) * | 2014-10-13 | 2015-04-22 | 南京航空航天大学 | Fragile material tension and torsion test method and test auxiliary device |
| CN104749024A (en) * | 2015-04-10 | 2015-07-01 | 南车南京浦镇车辆有限公司 | Testing method for static strength of vehicle body |
| CN106323789A (en) * | 2016-10-31 | 2017-01-11 | 华中科技大学 | Loading and measuring device for full sea depth simulation frictional wearing bed stand |
| CN206470121U (en) * | 2017-02-14 | 2017-09-05 | 济南科汇试验设备有限公司 | A kind of spring buffer Compression and Expansion test fixture |
| CN107817167A (en) * | 2017-12-05 | 2018-03-20 | 中国航空综合技术研究所 | Pipeline fitting bonding strength test device and its method of testing |
| CN207703637U (en) * | 2017-12-05 | 2018-08-07 | 中国航空综合技术研究所 | Pipeline fitting bonding strength test device |
| CN209215087U (en) * | 2018-12-19 | 2019-08-06 | 中国航空综合技术研究所 | A kind of bellows tension and compression testing device |
Non-Patent Citations (1)
| Title |
|---|
| 考虑波纹管组合钢筋浆锚搭接长度的装配式剪力墙拟静力试验;陈昕;刘明;姚大鹏;管乃彦;丁浩爽;陈则全;;大连理工大学学报(第06期);69-76 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109374402A (en) | 2019-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109374402B (en) | Bellows tension and compression test device and test method | |
| CN109870371B (en) | Creep compression experimental device | |
| CN203772637U (en) | Minimum bolt tensile load test fixture | |
| CN110440999B (en) | Testing device for monitoring sealing performance of special threaded oil casing under dynamic load working condition | |
| CN105606452B (en) | The power rod member outfield load calibration of aircraft two/strength test portable unit | |
| CN109030230A (en) | A kind of debugging of constant-force spring hanger and load detecting device | |
| CN105277448A (en) | Metal hose bending rigidity measuring device | |
| CN209215087U (en) | A kind of bellows tension and compression testing device | |
| CN107957310B (en) | Measuring device for threaded fastener of oil pipe joint | |
| CN111238969B (en) | Fatigue test fixing device for composite material pipe | |
| CN207610928U (en) | A kind of silicon carbide cladding tubes axial tension detection device | |
| CN105431665A (en) | 4-round thread form | |
| CN111720413B (en) | Visual connecting device of fastening state | |
| CN111855393A (en) | Brittle material tensile strength test clamping device | |
| CN205228962U (en) | Metal collapsible tube bending stiffness measuring device | |
| CN110441136B (en) | Stretching-twisting composite clamp based on positive and negative thread structure | |
| CN110308055B (en) | Method for improving connection reliability of composite material connecting piece | |
| CN111351707B (en) | Device and method for detecting welding tension of annular fuel assembly guide pipe | |
| CN209148432U (en) | A kind of cold spraying metal coating bond strength test device | |
| CN108436819B (en) | Calibration device and calibration method for high-load bolt fastening machine tool | |
| CN107884271B (en) | Impact-pulling converter for rock dynamic direct tensile test and impact-pulling test method | |
| CN108225754B (en) | Testing device for checking accuracy of pulling and pressing test frame of petroleum downhole tool | |
| CN113267283A (en) | Detection device and detection method for axial residual tensile force of bolt | |
| CN112240825A (en) | Pipe joint sealing structure torsion-tension relation testing device and method | |
| CN112666018A (en) | Ultrasonic frequency mechanical loading fatigue test system for dissimilar metal welded joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |