CN112964582B - Fatigue testing machine for metal corrugated pipe - Google Patents
Fatigue testing machine for metal corrugated pipe Download PDFInfo
- Publication number
- CN112964582B CN112964582B CN202110138070.3A CN202110138070A CN112964582B CN 112964582 B CN112964582 B CN 112964582B CN 202110138070 A CN202110138070 A CN 202110138070A CN 112964582 B CN112964582 B CN 112964582B
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- Prior art keywords
- plate
- fixed
- slide
- pipe
- sliding
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- Expired - Fee Related
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- 239000002184 metal Substances 0.000 title claims abstract description 44
- 238000009661 fatigue test Methods 0.000 title claims abstract description 13
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 25
- 238000012360 testing method Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 238000005452 bending Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
Images
Classifications
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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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
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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
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- 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
- G01N2203/0021—Torsional
-
- 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
- G01N2203/0023—Bending
-
- 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
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
-
- 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 fatigue testing machine, relating to the technical field of fatigue testing machines, comprising a frame and a gear reducer, experimental coupling mechanism, slide one and removal straining device, gear reducer and controller electric connection and be fixed in the left side at frame top, experimental coupling mechanism locates on gear reducer's the output shaft and is used for connecting the one end of corrugated metal pipe, slide one sliding connection realizes moving on slide rail one with the help of removing straining device on the slide rail one on frame top right side, the top vertical fixation of slide one has fixed plate one, the left side of fixed plate one is connected with fixed plate two, the left side vertical fixation of fixed plate two has the hollow spliced pole one that is used for with corrugated metal pipe's other end threaded connection, the right side of fixed plate one is provided with the connecting pipe with the spliced pole coaxial, the inside intercommunication of connecting pipe and spliced pole one. The invention can carry out torsion resistance test and swing bending test on metal corrugated pipes with different lengths, and has better universality.
Description
Technical Field
The invention relates to the technical field of fatigue testing machines, in particular to a metal corrugated pipe fatigue testing machine.
Background
The metal corrugated pipe fatigue test is an important measure for detecting the quality of the metal corrugated pipe, but the existing metal pipe testing machine has incomplete functions, and the torsion resistance test and the swing bending test of the metal corrugated pipe need to be carried out on two devices, so that the cost of an enterprise is increased, and in addition, the existing testing machine can only test the metal corrugated pipe with single length generally, and the universality is poor.
Disclosure of Invention
The invention aims to provide a metal corrugated pipe fatigue testing machine to overcome the defects in the prior art.
Corrugated metal pipe fatigue testing machine, including frame, gear reducer, experimental coupling mechanism, slide one and removal straining device, gear reducer and controller electric connection and be fixed in the left side at frame top, experimental coupling mechanism locates on gear reducer's the output shaft and is used for connecting corrugated metal pipe's one end, a slide sliding connection realizes moving on slide rail one with the help of removing straining device on slide rail one on frame top right side, the top vertically fixed of slide one has fixed plate one, the left side of fixed plate one is connected with fixed plate two, the left side vertically fixed of fixed plate two has the hollow spliced pole one that is used for with corrugated metal pipe's the other end threaded connection, the right side of fixed plate one is provided with the connecting pipe with the spliced pole coaxial, the inside intercommunication of connecting pipe and spliced pole one.
Preferably, experimental coupling mechanism is including fixed cover, spliced pole two, connecting plate, slide two and spring, fixed cover is fixed in on gear reducer's the output shaft, two vertical fixation of spliced pole are on the right side of fixed cover, the connecting plate is fixed in the side of fixed cover, two sliding connection of slide are on slide rail two on connecting plate right side, two upward vertical fixation of slide have spliced pole three, be equipped with between the fixed plate three of slide two and connecting plate tip the spring.
Preferably, remove straining device and include fixed plate four, weight, connect rope, tray and pulley, fixed plate four is connected in the right side of frame, the pulley rotates to be connected in fixed plate four's right side, the tray is fixed in the lower extreme on frame right side, the one end of connecting the rope is connected to the right side of slide one, the other end connect in behind the pulley on the weight.
Preferably, the connecting pipe is connected with a vent pipe through a flange, and the vent pipe is used for introducing gas into the metal corrugated pipe.
The invention has the following advantages:
1. according to the invention, the connecting plate and the connecting post II are respectively fixed on the fixing sleeve of the gear reducer, the connecting post I is arranged on the sliding plate I of the movable tensioning mechanism, when two ends of the metal corrugated pipe are respectively connected with the connecting post I and the connecting post II, an anti-torsion test can be carried out, and when two ends of the metal corrugated pipe are respectively connected with the connecting post I and the connecting post III on the connecting plate, the sliding plate II on the connecting plate can move back and forth along the sliding rail II in the rotating process of the output shaft of the gear reducer, so that the metal corrugated pipe is driven to swing and bend, and a swing bending test can be carried out.
2. According to the movable tensioning mechanism, the position of the first sliding plate on the first sliding rail is adjusted by the weights through the connecting rope, so that the distance between the first sliding plate and the gear reducer can be adjusted, and the movable tensioning mechanism can be suitable for testing metal corrugated pipes with different lengths.
Drawings
Fig. 1 is a schematic overall three-dimensional structure of the present invention.
Fig. 2 is a partially enlarged view of the invention at a in fig. 1.
FIG. 3 is a schematic view of the right side of the skateboard of the present invention.
FIG. 4 is a schematic view of the left side of the skateboard of the present invention.
Wherein: 1. the device comprises a rack, 11, a first sliding rail, 2, a gear reducer, 3, a test connecting mechanism, 31, a fixing sleeve, 32, a second connecting column, 33, a connecting plate, 34, a second sliding plate, 341, a third connecting column, 35, a second sliding rail, 36, a spring, 37, a third fixing plate, 4, a first sliding plate, 41, a first fixing plate, 42, a second fixing plate, 421, a first connecting column, 43, a connecting pipe, 5, a movable tensioning mechanism, 51, a fourth fixing plate, 52, a pulley, 53, a tray, 54, a connecting rope, 55 and a weight.
Detailed Description
The following detailed description of the embodiments of the present invention will be given in order to provide those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention.
As shown in fig. 1-4, the invention provides a metal corrugated pipe fatigue testing machine, which comprises a rack 1, a gear reducer 2, a test connection mechanism 3, a sliding plate one 4 and a moving tensioning mechanism 5, wherein the gear reducer 2 is electrically connected with a controller and is fixed on the left side of the top of the rack 1, the test connection mechanism 3 is arranged on an output shaft of the gear reducer 2 and is used for connecting one end of a metal corrugated pipe, the sliding plate one 4 is connected to a sliding rail one 11 on the right side of the top of the rack 1 in a sliding manner and moves on the sliding rail one 4 by means of the moving tensioning mechanism 5, the top of the sliding plate one 4 is vertically fixed with a fixing plate one 41, the left side of the fixing plate one 41 is connected with a fixing plate two 42, the left side of the fixing plate two 42 is vertically fixed with a hollow connection column one 421 for being in threaded connection with the other end of the metal corrugated pipe, the right side of the fixing plate one 41 is coaxially provided with the connection column one 421, the connection pipe 43 is communicated with the inside of the connection column one 421.
In this embodiment, the test connection mechanism 3 includes a fixed sleeve 31, a second connection column 32, a connection plate 33, a second sliding plate 34 and a spring 36, the fixed sleeve 31 is fixed on the output shaft of the gear reducer 2, the second connection column 32 is vertically fixed on the right side of the fixed sleeve 31, the connection plate 33 is fixed on the side surface of the fixed sleeve 31, the second sliding plate 34 is slidably connected to a second sliding rail 35 on the right side of the connection plate 33, a third connection column 341 is vertically fixed on the second sliding plate 34, and the spring 36 is arranged between the second sliding plate 34 and a third fixing plate 37 on the end portion of the connection plate 33.
In this embodiment, the movable tensioning mechanism 5 includes a fixing plate four 51, a weight 55, a connecting rope 54, a tray 53 and a pulley 52, the fixing plate four 51 is connected to the right side of the frame 1, the pulley 52 is rotatably connected to the right side of the fixing plate four 51, the tray 53 is fixed at the lower end of the right side of the frame 1, one end of the connecting rope 54 is connected to the right side of the sliding plate one 4, and the other end of the connecting rope is connected to the weight 55 through the pulley 52.
In this embodiment, the connecting pipe 43 is connected with a vent pipe through a flange, and the vent pipe is used for introducing gas into the metal corrugated pipe.
The specific implementation mode and principle are as follows:
when the anti-torsion test is carried out, one end of a metal corrugated pipe to be tested is in threaded connection with the two connecting columns 32 on the fixing sleeve 31, then the first sliding plate 4 is moved to a proper position along the first sliding rail 11 by one hand, then the other end of the metal corrugated pipe is in threaded connection with the first connecting column 421 on the first sliding plate 4 by the other hand, then the two hands are loosened, the weight 55 drives the first sliding plate 4 to move rightwards along the first sliding rail 11 through the connecting rope 54, the metal corrugated pipe is tensioned, then the vent pipe is in flange connection with the connecting pipe 43, the metal corrugated pipe is filled with gas, then the switch of the testing machine is started, the controller controls the output shaft of the gear reducer 2 to rotate, the output shaft of the gear reducer 2 is firstly driven by the controller to rotate a certain angle clockwise, then the output shaft of the gear reducer 2 is controlled to rotate a certain angle anticlockwise, and (3) twisting the metal corrugated pipe in a forward and reverse direction, repeating the rotation process, and closing a switch of the testing machine when gas leaks from the metal corrugated pipe.
When the swing bending property test is carried out, one end of a metal corrugated pipe to be tested is in threaded connection with the connecting column III 341 on the sliding plate II 34, then one hand moves the sliding plate I4 to a proper position along the sliding rail I11, the other hand connects the other end of the metal corrugated pipe with the connecting column I421 on the sliding plate I4 in a threaded connection mode, then the two hands are loosened, a weight 55 drives the sliding plate I4 to move rightwards along the sliding rail I11 through a connecting rope 54, the metal corrugated pipe is tensioned, a vent pipe is in flange connection with the connecting pipe 43, the metal corrugated pipe is filled with gas, then a switch of the testing machine is started, the controller controls an output shaft of the gear reducer 2 to rotate, the output shaft of the gear reducer 2 firstly drives the metal corrugated pipe to rotate for a certain angle clockwise, and the sliding plate II 34 on the connecting plate can move back and forth along the sliding rail II 35 in the rotating process, thereby drive the metal bellows and carry out the swing bending, the output shaft of controller control gear reducer 2 is anticlockwise rotatory certain angle again after that, and the recirculation carries out this rotation process, leaks from the metal bellows as gas, then closes the switch of testing machine.
The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above embodiments, and it is within the scope of the invention to use the concept and technical solution of the invention in various insubstantial modifications, or to apply the concept and technical solution of the invention directly to other fields without modification.
Claims (3)
1. Metal bellows fatigue test machine, its characterized in that: the device comprises a rack (1), a gear speed reducer (2), a test connecting mechanism (3), a first sliding plate (4) and a movable tensioning mechanism (5), wherein the gear speed reducer (2) is electrically connected with a controller and is fixed on the left side of the top of the rack (1), the test connecting mechanism (3) is arranged on an output shaft of the gear speed reducer (2) and is used for connecting one end of a metal corrugated pipe, the first sliding plate (4) is connected onto a first sliding rail (11) on the right side of the top of the rack (1) in a sliding manner and moves on the first sliding rail (11) by virtue of the movable tensioning mechanism (5), a first fixing plate (41) is vertically fixed at the top of the first sliding plate (4), a second fixing plate (42) is connected to the left side of the first fixing plate (41), a first hollow connecting column (421) in threaded connection with the other end of the metal corrugated pipe is vertically fixed on the left side of the second fixing plate (42), the right side of the first fixing plate (41) and the first connecting column (421) are coaxially provided with a connecting pipe (43), and the connecting pipe (43) is communicated with the inside of the first connecting column (421);
experimental coupling mechanism (3) are including fixed cover (31), spliced pole two (32), connecting plate (33), slide two (34) and spring (36), fixed cover (31) are fixed in on the output shaft of gear reducer (2), spliced pole two (32) vertical fixation is in the right side of fixed cover (31), connecting plate (33) are fixed in the side of fixed cover (31), slide two (34) sliding connection are on slide rail two (35) on connecting plate (33) right side, the vertical fixation is gone up in slide two (34) has spliced pole three (341), be equipped with between the fixed plate three (37) of slide two (34) and connecting plate (33) tip spring (36).
2. A metal bellows fatigue testing machine according to claim 1, characterized in that: remove straining device (5) including fixed plate four (51), weight (55), connection rope (54), tray (53) and pulley (52), fixed plate four (51) are connected in the right side of frame (1), pulley (52) rotate to be connected in the right side of fixed plate four (51), tray (53) are fixed in the lower extreme on frame (1) right side, the one end of connecting rope (54) is connected to the right side of slide (4), the other end through pulley (52) the back connect in weight (55) on.
3. A metal bellows fatigue testing machine according to claim 1, characterized in that: the connecting pipe (43) is connected with a vent pipe through a flange, and the vent pipe is used for introducing gas into the metal corrugated pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110138070.3A CN112964582B (en) | 2021-02-01 | 2021-02-01 | Fatigue testing machine for metal corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110138070.3A CN112964582B (en) | 2021-02-01 | 2021-02-01 | Fatigue testing machine for metal corrugated pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112964582A CN112964582A (en) | 2021-06-15 |
| CN112964582B true CN112964582B (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110138070.3A Expired - Fee Related CN112964582B (en) | 2021-02-01 | 2021-02-01 | Fatigue testing machine for metal corrugated pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN112964582B (en) |
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| CN110361286A (en) * | 2019-07-22 | 2019-10-22 | 中国航发沈阳发动机研究所 | A kind of rotary bending tester calibrating installation and method |
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| CN209802881U (en) * | 2019-02-27 | 2019-12-17 | 上海市燃气设备计量检测中心有限公司 | Detection device for detecting bending resistance and twisting resistance of corrugated pipe |
| CN111289362A (en) * | 2020-02-29 | 2020-06-16 | 浙江方圆检测集团股份有限公司 | Multifunctional testing machine for corrugated pipe |
| CN211602748U (en) * | 2019-12-31 | 2020-09-29 | 博硕科技(江西)有限公司 | Stable novel bending test machine that sways |
| CN211784881U (en) * | 2020-03-13 | 2020-10-27 | 江苏省建筑工程质量检测中心有限公司 | Corrugated metal hose swinging and bending experimental device |
-
2021
- 2021-02-01 CN CN202110138070.3A patent/CN112964582B/en not_active Expired - Fee Related
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| CN201083618Y (en) * | 2007-10-12 | 2008-07-09 | 沈阳仪表科学研究院 | Metal corrugated pipe swinging test device |
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| Publication number | Publication date |
|---|---|
| CN112964582A (en) | 2021-06-15 |
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