CN113008691A - Vibration testing machine for metal corrugated pipe - Google Patents
Vibration testing machine for metal corrugated pipe Download PDFInfo
- Publication number
- CN113008691A CN113008691A CN202110136677.8A CN202110136677A CN113008691A CN 113008691 A CN113008691 A CN 113008691A CN 202110136677 A CN202110136677 A CN 202110136677A CN 113008691 A CN113008691 A CN 113008691A
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- CN
- China
- Prior art keywords
- guide rail
- plate
- vibration
- metal corrugated
- corrugated pipe
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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
- G01N3/14—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by dead weight, e.g. pendulum; generated by springs tension
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/025—Measuring arrangements
-
- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
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- 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
- G01N2203/003—Generation of the force
- G01N2203/0032—Generation of the force using mechanical means
- G01N2203/0033—Weight
-
- 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
- G01N2203/0274—Tubular or ring-shaped specimens
Abstract
The invention discloses a metal corrugated pipe vibration testing machine, which relates to the technical field of metal corrugated pipes and comprises a supporting mechanism, a stretching mechanism and a vibration mechanism, wherein the supporting mechanism specifically comprises a supporting plate I, a supporting frame and a supporting plate II, the stretching mechanism is arranged on the upper side of the supporting plate I and is used for stretching the metal corrugated pipe, the stretching mechanism specifically comprises a guide rail base I, a linear guide rail I, a sliding plate I, a movable base, a fixed base, a suspension plate and a tray, the vibration mechanism is arranged on the upper side of the supporting plate II and is used for realizing vibration of the metal corrugated pipe, and the vibration mechanism specifically comprises a guide rail base II, a linear guide rail II, a sliding plate II, a connecting rod, an eccentric shaft, a direct-current speed reducing motor. In summary, the metal corrugated pipe vibration testing machine provided by the invention can realize a tensile test of the metal corrugated pipe under a continuous vibration condition.
Description
Technical Field
The invention relates to the technical field of metal corrugated pipes, in particular to a vibration testing machine for metal corrugated pipes.
Background
At present, after manufacturing of metal corrugated pipes is completed by manufacturing enterprises, in order to ensure that produced metal corrugated pipes in different batches can meet long-term use requirements in the future, the metal corrugated pipes need to be subjected to selective inspection on characteristics such as tensile, bending, torsion and fatigue. The tensile property of the metal corrugated pipe is particularly important, and the existing test equipment for the tensile property of the metal corrugated pipe is lacked.
Disclosure of Invention
The invention aims to provide a vibration testing machine for a metal corrugated pipe, which aims to overcome the defects caused in the prior art.
The utility model provides a be used for metal bellows shock test machine, includes supporting mechanism, tension mechanism and vibrations mechanism, wherein:
the supporting mechanism specifically comprises a first supporting plate, a supporting frame and a second supporting plate, the first supporting plate is horizontally arranged on the upper side of the supporting frame, and the second supporting plate is centrally positioned below the first supporting plate and horizontally arranged in the middle of the supporting frame;
the stretching mechanism is arranged on the upper side of the first support plate and used for stretching the metal corrugated pipe;
and the vibration mechanism is arranged on the upper side of the second support plate and is used for realizing vibration of the metal corrugated pipe.
Preferably, the stretching mechanism specifically comprises a first guide rail base, a first linear guide rail, a first sliding plate, a movable base, a fixed base, a cantilever plate and a tray, wherein the first guide rail base is horizontally arranged on the right side of the upper surface of the first support plate, the first linear guide rail is provided with a pair of guide rail sliders which are symmetrically arranged on the upper surface of the first guide rail base in a front-back manner, the first linear guide rail is provided with a first guide rail slider in a sliding manner, the first sliding plate is horizontally arranged on the upper side of the first guide rail slider in a front-back manner, the movable base is arranged on the upper surface of the first sliding plate, the movable base is provided with a first connecting block on the inner side, the first connecting block is arranged in the middle on the inner side, the fixed base is arranged on the left side of the upper surface of the first support plate, the third connecting block is arranged in the middle on the inner side, the third, overhang board level and overhang are installed in the right side of the upper surface of guide rail base one, the overhang end of overhang board rotates and is connected with the fixed pulley, the tray level is located the below of fixed pulley, be connected with the cable wire on the tray, the cable wire is walked around fixed pulley and its other end and is connected with the slide plate with the help of rings, the weight has been put to the sign indicating number in the tray.
Preferably, the vibration mechanism specifically comprises a second guide rail base, a second linear guide rail, a second sliding plate, a connecting rod, an eccentric shaft, a direct-current speed reduction motor and a vibration plate, the second guide rail base is vertically installed on the right side of the upper surface of the second support plate, the second linear guide rail is provided with a pair of guide rail sliders which are vertically and symmetrically installed on the left side of the second guide rail base, the second linear guide rail is provided with a second guide rail slider in a sliding manner, the second sliding plate is vertically installed on the left side of the second guide rail slider, a connecting shaft is vertically fixed on the left side of the second sliding plate, the eccentric shaft is installed in the middle of the upper surface of the second support plate by virtue of a bearing seat, the connecting rod is positioned between the connecting shaft and the eccentric shaft, two ends of the connecting rod and the eccentric shaft are respectively in rotating connection with the connecting shaft and the eccentric, the vibration plate is vertically arranged at the top of the second sliding plate, a through groove for the vibration plate to pass through is formed in the first supporting plate, a circular through hole is formed in the upper portion of the vibration plate, and the through hole is flush with the first connecting pipe and the second connecting pipe.
Preferably, movable base leans on the outside to install connecting block two, unable adjustment base leans on the outside to install connecting block four, all be equipped with trachea interface between two parties on connecting block two and the connecting block four.
Preferably, the first linear guide rail and the second linear guide rail are both dovetail-shaped guide rails.
The invention has the advantages that: the vibration testing machine for the metal corrugated pipe is in practical application:
firstly, all weights on the tray are dismounted, then two ends of the metal corrugated pipe to be tested are respectively connected to the first connecting pipe and the second connecting pipe in a threaded mode, then the weights with the preselected weight are placed into the tray, and the tested metal corrugated pipe is stretched under the action of the dead weight of the weights in the tray so as to conduct the tensile test of the metal corrugated pipe.
When periodic vibration needs to be input on the metal corrugated pipe, the metal corrugated pipe penetrates into the through hole in the vibration plate before the metal corrugated pipe is connected to the first connecting pipe and the second connecting pipe, then the eccentric shaft is driven to rotate through the direct-current speed reduction motor and the coupler in the process of performing a tensile test, the eccentric shaft drives the second sliding plate and the vibration plate to perform reciprocating movement back and forth along the second linear guide rail through the connecting rod, and then the metal corrugated pipe is driven to perform periodic vibration so as to perform the tensile test on the metal corrugated pipe under the vibration condition.
And thirdly, in the process of performing a tensile test, connecting external pressure gas sources at the air pipe interfaces on the second connecting block and the fourth connecting block respectively to enable the pressure gas to be filled into the metal corrugated pipe connected between the first connecting pipe and the second connecting pipe, and judging that the test is finished when the metal corrugated pipe is pulled to be air-leaking.
In summary, the metal corrugated pipe vibration testing machine provided by the invention can realize a tensile test of the metal corrugated pipe under a continuous vibration condition.
Drawings
Fig. 1 is a schematic overall three-dimensional structure of the present invention.
Fig. 2 is a schematic structural diagram of the whole front view of the present invention.
Fig. 3 is a schematic structural diagram of the support mechanism of the present invention.
Fig. 4 and 5 are schematic structural views of the stretching mechanism in the present invention.
Fig. 6 and 7 are schematic structural views of the vibration mechanism in the present invention.
Wherein:
10-a support mechanism; 101-a first support plate; 101 a-a through slot; 102-a support frame; 103-support plate two;
20-a stretching mechanism; 201-guide rail base one; 202-linear guide rail one; 203-a first guide rail slide block; 204-a first sliding plate; 205-a movable base; 206-connecting block one; 207-connecting pipe one; 208-connecting block two; 209-fixed base; 210-connecting block III; 211-connecting tube two; 212-connecting block four; 213-overhanging plate; 214-a fixed pulley; 215-a tray; 216-a steel cord; 217-lifting ring; 218-weight;
30-a vibration mechanism; 301-guide rail base two; 302-linear guide rail two; 303-a second guide rail sliding block; 304-a second sliding plate; 305-a connecting shaft; 306-a connecting rod; 307-eccentric shaft; 308-a bearing seat; 309-direct current gear motor; 310-motor fixing plate; 311-a coupler; 312-a vibrating plate; 312 a-through hole;
40-metal bellows.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, a vibration testing machine for metal corrugated pipes includes a supporting mechanism 10, a stretching mechanism 20 and a vibrating mechanism 30, wherein:
the supporting mechanism 10 specifically comprises a first supporting plate 101, a supporting frame 102 and a second supporting plate 103, wherein the first supporting plate 101 is horizontally arranged on the upper side of the supporting frame 102, and the second supporting plate 103 is centrally positioned below the first supporting plate 101 and is horizontally arranged in the middle of the supporting frame 102;
the stretching mechanism 20 is arranged on the upper side of the first support plate 101 and is used for stretching the metal corrugated pipe 40;
the vibration mechanism 30 is arranged on the upper side of the second support plate 103 and is used for realizing vibration of the metal corrugated pipe 40.
In this embodiment, the stretching mechanism 20 specifically includes a first guide rail base 201, a first linear guide rail 202, a first sliding plate 204, a movable base 205, a fixed base 209, an overhanging plate 213, and a tray 215, the first guide rail base 201 is horizontally installed on the right side of the upper surface of the first support plate 101, the first linear guide rail 202 is provided with a pair of guide rail sliders 203 installed on the first guide rail 201 in a front-back symmetrical manner, the first sliding plate 204 is horizontally installed on the upper sides of the first guide rail sliders 203, the movable base 205 is installed on the upper surface of the first sliding plate 204, the first movable base 205 is installed on a first connecting block 206 near the inner side, the first connecting pipe 207 is installed on the center of the first connecting block 206 near the inner side, the fixed base 209 is installed on the left side of the upper surface of the first support plate 101, and the third connecting block 210 is installed on the inner side of the fixed, connecting pipe two 211 is installed between two parties by the inboard to three 210 of connecting block, coaxial distribution and its surface all are equipped with the external screw thread between connecting pipe 207 and the connecting pipe two 211, overhang board 213 level and overhang are installed in the right side of the upper surface of guide rail base 201, the overhang end of overhang board 213 rotates and is connected with fixed pulley 214, tray 215 level is located the below of fixed pulley 214, be connected with cable wire 216 on the tray 215, cable wire 216 walks around fixed pulley 214 and its other end and is connected with a sliding plate 204 with the help of rings 217, the sign indicating number has put weight 218 in the tray 215. In an actual test, all the weights 218 on the tray 215 are removed, two ends of the metal corrugated pipe 40 to be tested are respectively connected to the first connecting pipe 207 and the second connecting pipe 211 in a threaded manner, the weights 218 with the preselected weight are placed on the tray 215, and the metal corrugated pipe 40 to be tested is stretched under the self-weight action of the weights 218 in the tray 215 so as to perform a tensile test on the metal corrugated pipe 40.
In this embodiment, the vibration mechanism 30 specifically includes a second guide rail base 301, a second linear guide rail 302, a second sliding plate 304, a connecting rod 306, an eccentric shaft 307, a dc speed-reducing motor 309 and a vibration plate 312, the second guide rail base 301 is vertically installed on the right side of the upper surface of the second support plate 103, the second linear guide rail 302 is provided with a pair of guide rail bases 302 and vertically symmetrically installed on the left side of the second guide rail base 301, the second linear guide rail 302 is slidably installed with a second guide rail slider 303, the second sliding plate 304 is vertically installed on the left side of the second upper and lower guide rail slider 303, the second sliding plate 304 is vertically fixed with a connecting shaft 305 near the left side, the eccentric shaft 307 is installed in the middle of the upper surface of the second support plate 103 through a bearing seat 308, the connecting rod 306 is located between the connecting shaft 305 and the eccentric shaft 307 and has two ends respectively rotatably connected with the connecting shaft 305 and the eccentric shaft 307, the output shaft of the direct current speed reducing motor 309 is connected with the eccentric shaft 307 through a coupling 311, the vibration plate 312 is vertically installed at the top of the second sliding plate 304, a through groove 101a for the vibration plate 312 to pass through is formed in the first supporting plate 101, a circular through hole 312a is formed in the upper portion of the vibration plate 312, and the through hole 312a is flush with the first connecting pipe 207 and the second connecting pipe 211. In an actual test, when periodic vibration needs to be applied to the metal corrugated tube 40, before the metal corrugated tube 40 is connected to the first connecting tube 207 and the second connecting tube 211, the metal corrugated tube 40 is inserted into the through hole 312a of the vibration plate 312, and then in the process of performing a tensile test, the eccentric shaft 307 is driven to rotate by the dc speed-reducing motor 309 through the coupling 311, the eccentric shaft 307 drives the second sliding plate 304 and the vibration plate 312 to reciprocate back and forth along the second linear guide rail 302 through the connecting rod 306, so as to drive the metal corrugated tube 40 to perform periodic vibration, thereby performing the tensile test of the metal corrugated tube 40 under the vibration condition.
In this embodiment, a second connecting block 208 is installed on the outer side of the movable base 205, a fourth connecting block 212 is installed on the outer side of the fixed base 209, and the second connecting block 208 and the fourth connecting block 212 are both provided with a gas pipe connector in the middle. And connecting external pressure gas sources at the air pipe interfaces on the second connecting block 208 and the fourth connecting block 212 respectively to enable the interior of the metal corrugated pipe 40 connected between the first connecting pipe 207 and the second connecting pipe 211 to be filled with the pressure gas, and judging that the test is finished when the metal corrugated pipe 40 is pulled to be leaked.
In this embodiment, the first linear guide 202 and the second linear guide 202 are both dovetail-shaped guides. The dovetail-shaped guide rail has the characteristics of good guidance quality, high guidance precision and overturning moment resistance, and meets the actual use requirements of the application.
In the embodiment, the vibration testing machine for the metal corrugated pipe is in practical application:
firstly, all the weights 218 on the tray 215 are removed, then two ends of the metal corrugated pipe 40 to be tested are respectively connected to the first connecting pipe 207 and the second connecting pipe 211 in a threaded manner, then the weights 218 with the preselected weight are placed on the tray 215, and the tested metal corrugated pipe 40 is stretched under the action of the self weight of the weights 218 in the tray 215 so as to perform the tensile test of the metal corrugated pipe 40.
Secondly, when periodic vibration needs to enter the metal corrugated pipe 40, before the metal corrugated pipe 40 is connected to the first connecting pipe 207 and the second connecting pipe 211, the metal corrugated pipe 40 is firstly inserted into the through hole 312a on the vibration plate 312, then in the process of performing a tensile test, the eccentric shaft 307 is driven to rotate by the direct current speed reducing motor 309 through the coupler 311, the eccentric shaft 307 drives the second sliding plate 304 and the vibration plate 312 to reciprocate back and forth along the second linear guide rail 302 through the connecting rod 306, and further the metal corrugated pipe 40 is driven to perform periodic vibration so as to perform the tensile test of the metal corrugated pipe 40 under the vibration condition.
And thirdly, in the process of performing the tensile test, connecting external pressure gas sources at the air pipe interfaces on the second connecting block 208 and the fourth connecting block 212 respectively to enable the pressure gas to be filled into the metal corrugated pipe 40 connected between the first connecting pipe 207 and the second connecting pipe 211, and judging that the test is finished when the metal corrugated pipe 40 is pulled to be air-leaking.
In summary, the metal corrugated pipe vibration testing machine provided by the invention can realize a tensile test of the metal corrugated pipe under a continuous vibration condition.
The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (5)
1. The utility model provides a be used for metal bellows shock test machine which characterized in that: including supporting mechanism (10), tensile mechanism (20) and vibrations mechanism (30), wherein:
the supporting mechanism (10) specifically comprises a first supporting plate (101), a supporting frame (102) and a second supporting plate (103), wherein the first supporting plate (101) is horizontally arranged on the upper side of the supporting frame (102), and the second supporting plate (103) is centrally positioned below the first supporting plate (101) and is horizontally arranged in the middle of the supporting frame (102);
the stretching mechanism (20) is arranged on the upper side of the first support plate (101) and is used for stretching the metal corrugated pipe (40);
the vibration mechanism (30) is arranged on the upper side of the second support plate (103) and is used for realizing vibration of the metal corrugated pipe (40).
2. The vibration testing machine for the metal corrugated pipe according to claim 1, characterized in that: the stretching mechanism (20) specifically comprises a first guide rail base (201), a first linear guide rail (202), a first sliding plate (204), a movable base (205), a fixed base (209), an overhanging plate (213) and a tray (215), wherein the first guide rail base (201) is horizontally arranged on the right side of the upper surface of a first support plate (101), the first linear guide rail (202) is provided with a pair of guide rail bases (201) which are symmetrically arranged front and back on the upper surface of the first guide rail base (201), a first guide rail slider (203) is slidably arranged on the first linear guide rail (202), the first sliding plate (204) is horizontally arranged on the upper side of the first guide rail slider (203) front and back, the movable base (205) is arranged on the upper surface of the first sliding plate (204), a first connecting block (206) is arranged on the inner side of the movable base (205), and a first connecting pipe (207) is arranged on the inner side, the fixed base (209) is arranged on the left side of the upper surface of the first support plate (101), a third connecting block (210) is arranged on the inner side of the fixed base (209), a second connecting pipe (211) is arranged in the middle of the third connecting block (210) close to the inner side, the first connecting pipe (207) and the second connecting pipe (211) are coaxially distributed and are provided with external threads on the surfaces, the overhanging plate (213) is horizontally and overhung and arranged on the right side of the upper surface of the first guide rail base (201), the overhanging end of the overhanging plate (213) is rotatably connected with a fixed pulley (214), the tray (215) is horizontally positioned below the fixed pulley (214), the tray (215) is connected with a steel cable (216), the steel cable (216) bypasses the fixed pulley (214), the other end of the steel cable is connected with the first sliding plate (204) through a hanging ring (217), and a weight (218) is stacked in the tray (215).
3. The vibration testing machine for the metal corrugated pipe according to claim 2, characterized in that: the vibration mechanism (30) specifically comprises a second guide rail base (301), a second linear guide rail (302), a second sliding plate (304), a connecting rod (306), an eccentric shaft (307), a direct-current speed reduction motor (309) and a vibration plate (312), wherein the second guide rail base (301) is vertically installed on the right side of the upper surface of the second support plate (103), the second linear guide rail (302) is provided with a pair of guide rails and is vertically and symmetrically installed on the left side of the second guide rail base (301), a second guide rail sliding block (303) is slidably installed on the second linear guide rail (302), the second sliding plate (304) is vertically installed on the left side of the second upper and lower guide rail sliding block (303), the second sliding plate (304) is vertically fixed with a connecting shaft (305) close to the left side, the eccentric shaft (307) is installed in the middle of the upper surface of the second support plate (103) through a bearing seat (308), the connecting rod (306) is located between the connecting shaft (305) and the eccentric shaft 307) The vibration plate is rotatably connected, the direct current speed reducing motor (309) is mounted on the left side of the upper surface of the second support plate (103) through the motor fixing plate (310), the output shaft of the direct current speed reducing motor (309) is connected with the eccentric shaft (307) through the coupler (311), the vibration plate (312) is vertically mounted at the top of the second sliding plate (304), a through groove (101a) for the vibration plate (312) to penetrate through is formed in the first support plate (101), a circular through hole (312a) is formed in the upper portion of the vibration plate (312), and the through hole (312a) is flush with the first connecting pipe (207) and the second connecting pipe (211).
4. The vibration testing machine for the metal corrugated pipe according to claim 2, characterized in that: movable base (205) lean on the outside to install connecting block two (208), unable adjustment base (209) lean on the outside to install connecting block four (212), all be equipped with trachea interface between two parties on connecting block two (208) and connecting block four (212).
5. The vibration testing machine for the metal corrugated pipe according to claim 3, wherein: the first linear guide rail (202) and the second linear guide rail (202) are both dovetail-shaped guide rails.
Priority Applications (1)
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CN202110136677.8A CN113008691A (en) | 2021-02-01 | 2021-02-01 | Vibration testing machine for metal corrugated pipe |
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CN202110136677.8A CN113008691A (en) | 2021-02-01 | 2021-02-01 | Vibration testing machine for metal corrugated pipe |
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CN202110136677.8A Pending CN113008691A (en) | 2021-02-01 | 2021-02-01 | Vibration testing machine for metal corrugated pipe |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113390624A (en) * | 2021-08-17 | 2021-09-14 | 南通艾迈特机械有限公司 | Pipeline compensator stress detection device that stretches out and draws back |
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CN207472689U (en) * | 2017-11-10 | 2018-06-08 | 东阳市恒达金属波纹管有限公司 | A kind of high pressure adjusting bellows equipment for testing service life |
CN108918290A (en) * | 2018-09-06 | 2018-11-30 | 中国矿业大学 | The test soil body is uniaxially stretched the device and method of rheological behavior |
CN208383630U (en) * | 2018-07-16 | 2019-01-15 | 济南中创工业测试系统有限公司 | A kind of wire torque tester |
CN208420332U (en) * | 2018-07-27 | 2019-01-22 | 河北华特汽车部件有限公司 | Bellows fatigue rig |
CN110567821A (en) * | 2019-10-11 | 2019-12-13 | 迪赛福测量技术(江苏)有限公司 | Alternating bending tester |
CN111879639A (en) * | 2020-08-07 | 2020-11-03 | 长春工业大学 | Fatigue testing machine for metal corrugated pipe of automobile exhaust system |
CN112033821A (en) * | 2020-08-27 | 2020-12-04 | 中国石油天然气集团公司 | Pipeline fatigue test device |
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2021
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CN206638538U (en) * | 2017-03-31 | 2017-11-14 | 无锡威孚力达催化净化器有限责任公司 | Test the experimental rig in metal bellows single-degree-of-freedom fatigue fracture life-span |
CN207472689U (en) * | 2017-11-10 | 2018-06-08 | 东阳市恒达金属波纹管有限公司 | A kind of high pressure adjusting bellows equipment for testing service life |
CN208383630U (en) * | 2018-07-16 | 2019-01-15 | 济南中创工业测试系统有限公司 | A kind of wire torque tester |
CN208420332U (en) * | 2018-07-27 | 2019-01-22 | 河北华特汽车部件有限公司 | Bellows fatigue rig |
CN108918290A (en) * | 2018-09-06 | 2018-11-30 | 中国矿业大学 | The test soil body is uniaxially stretched the device and method of rheological behavior |
CN110567821A (en) * | 2019-10-11 | 2019-12-13 | 迪赛福测量技术(江苏)有限公司 | Alternating bending tester |
CN111879639A (en) * | 2020-08-07 | 2020-11-03 | 长春工业大学 | Fatigue testing machine for metal corrugated pipe of automobile exhaust system |
CN112033821A (en) * | 2020-08-27 | 2020-12-04 | 中国石油天然气集团公司 | Pipeline fatigue test device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113390624A (en) * | 2021-08-17 | 2021-09-14 | 南通艾迈特机械有限公司 | Pipeline compensator stress detection device that stretches out and draws back |
CN113390624B (en) * | 2021-08-17 | 2021-10-29 | 南通艾迈特机械有限公司 | Pipeline compensator stress detection device that stretches out and draws back |
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