CN216349523U - Fatigue tester for metal corrugated pipe - Google Patents
Fatigue tester for metal corrugated pipe Download PDFInfo
- Publication number
- CN216349523U CN216349523U CN202122785038.2U CN202122785038U CN216349523U CN 216349523 U CN216349523 U CN 216349523U CN 202122785038 U CN202122785038 U CN 202122785038U CN 216349523 U CN216349523 U CN 216349523U
- Authority
- CN
- China
- Prior art keywords
- vertical plate
- driving mechanism
- corrugated pipe
- plate
- test machine
- 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.)
- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 title claims abstract description 21
- 238000009661 fatigue test Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 13
- 238000012360 testing method Methods 0.000 description 10
- 239000000047 product Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a metal corrugated pipe fatigue testing machine which comprises a first vertical plate, a second vertical plate and a third vertical plate which are parallel to each other and connected through a guide rod, wherein heating elements are arranged on the first vertical plate and the second vertical plate; a corrugated pipe is arranged between the first vertical plate and the second vertical plate; the first vertical plate is connected with a first driving mechanism, and the first driving mechanism drives the corrugated pipe to twist; the second vertical plate is connected with a second driving mechanism, and the second driving mechanism drives the corrugated pipe to move in the radial direction; the third vertical plate is connected with a third driving mechanism, and the third driving mechanism drives the corrugated pipe to axially move. In the operation process of the utility model, the detection precision and the detection efficiency both meet the detection requirements, the operation of the air pressure system is reliable, and the detection working precision and various technical indexes meet the detection requirements.
Description
Technical Field
The utility model relates to the technical field of detection devices, in particular to a metal corrugated pipe fatigue testing machine.
Background
The metal corrugated pipe is widely applied in various technical fields, particularly in various measuring instruments and meters, and is mainly used as a measuring element in the instruments such as pressure, temperature, flow and the like, and the metal corrugated pipe is converted into indexes such as pressure, temperature, flow and the like through the change of displacement, force or volume. The quality of the manufactured product is directly related to the accuracy of measurement, and the performance, the execution function and the like of the instrument are influenced. In the design and use process of the metal corrugated pipe, the sealing performance and the service life are important technical indexes. In the production process inspection, fatigue resistance tests are required to be carried out on each batch of products to ensure the quality of the products. The corrugated pipes produced by general companies have more batches and types, while the traditional metal corrugated pipe fatigue testing machine is a single corrugated pipe fatigue resistance test, and can only test one type of corrugated pipe, so that the testing efficiency is relatively low.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model discloses a fatigue testing machine for a metal corrugated pipe.
The technical scheme adopted by the utility model is as follows:
a metal corrugated pipe fatigue testing machine comprises a first vertical plate, a second vertical plate and a third vertical plate which are parallel to each other and connected with each other through a guide rod, wherein heating elements are arranged on the first vertical plate and the second vertical plate; a corrugated pipe is arranged between the first vertical plate and the second vertical plate; the first vertical plate is connected with a first driving mechanism, and the first driving mechanism drives the corrugated pipe to twist; the second vertical plate is connected with a second driving mechanism, and the second driving mechanism drives the corrugated pipe to move in the radial direction; the third vertical plate is connected with a third driving mechanism, and the third driving mechanism drives the corrugated pipe to axially move.
The method is further technically characterized in that: the first vertical plate is internally provided with a first fixing plate, the first driving mechanism comprises a first air cylinder, the first air cylinder is arranged on a first fixing seat, a piston rod of the first air cylinder is connected with a first connecting rod, one end of the first connecting rod is provided with a first joint bearing, the center of the first joint bearing penetrates through a first guide rod, and the first guide rod is fixed on the first fixing plate.
The method is further technically characterized in that: the first fixing plate is provided with a compressed air inlet.
The method is further technically characterized in that: the first fixing plate is provided with a temperature sensor.
The method is further technically characterized in that: the second vertical plate is internally provided with a second fixing plate, the second driving mechanism comprises a second air cylinder, a piston rod of the second air cylinder is connected with a second connecting rod, one end of the second connecting rod is provided with a second joint bearing, and the second joint bearing is connected with the second fixing plate through a rotating shaft.
The method is further technically characterized in that: the end of the second cylinder is fixedly mounted on the connecting plate, the bottom of the connecting plate is provided with a sliding block, the sliding block and the guide rail are mutually embedded, and the guide rail is mounted on the second fixed seat.
The method is further technically characterized in that: the third driving mechanism comprises a third air cylinder, a piston rod of the third air cylinder is connected with a third connecting rod, and the third connecting rod penetrates through the third vertical plate and is connected with the second vertical plate.
The method is further technically characterized in that: the distance between the first vertical plate and the second vertical plate is adjustable, and the corrugated pipe is in flange connection with the first vertical plate and the second vertical plate respectively.
The method is further technically characterized in that: the first vertical plate and the third vertical plate are both arranged on the workbench.
The utility model has the following beneficial effects:
1. in the operation process of the utility model, the detection precision and the detection efficiency both meet the detection requirements, the operation of the air pressure system is reliable, and the detection working precision and various technical indexes meet the detection requirements.
2. The utility model can detect the corrugated pipes with different expansion amounts at one time, and can adapt to the expansion displacement of the corrugated pipes by adjusting the position of the second vertical plate, thereby realizing the fatigue detection of the corrugated pipes with multiple waves and different displacements.
3. The utility model is suitable for the design of the corrugated pipes with various types and different expansion amounts, greatly increases the detection range and obtains better use effect.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a side view of the present invention.
Fig. 4 is a top view of the present invention.
Fig. 5 is a schematic structural view of the second fixing plate.
Fig. 6 is a schematic structural diagram of the second vertical plate.
In the figure: 1. a first cylinder; 2. a first fixed seat; 3. a first link; 4. a temperature sensor; 5. a heating element; 6. a first vertical plate; 7. a first fixing plate; 8. a compressed air inlet; 9. a guide bar; 10. a second fixing plate; 1001. a first plate; 1002. connecting the ear seat; 1003. a first through hole; 11. a second vertical plate; 1101. a second plate; 1102. a second through hole; 12. a second link; 13. a guide rail; 14. a second fixed seat; 15. a second cylinder; 16. a third link; 17. a third vertical plate; 18. a third cylinder; 19. a bellows; 20. an air outlet; 21. a work table; 22. a fourth link; 23. and a bearing seat.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings. Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Therefore, the directional terminology used is for the purpose of describing, but not limiting, the utility model, and moreover, like reference numerals designate like elements throughout the embodiments.
The following describes a specific embodiment of the present embodiment with reference to the drawings.
Referring to fig. 1 to 4, a fatigue testing machine for metal bellows includes a first vertical plate 6, a second vertical plate 11, and a third vertical plate 17, which are parallel to each other and connected through a guide rod 9. Specifically, four corners of first vertical plate 6, four corners of second vertical plate 11, and four corners of third vertical plate 17 all have guide holes, the positions of the guide hole of first vertical plate 6, the position of the guide hole of second vertical plate 11, and the position of the guide hole of third vertical plate 17 correspond respectively, and guide rod 9 passes through the guide hole of first vertical plate 6, the position of the guide hole of second vertical plate 11, and the position of the guide hole of third vertical plate 17 in sequence.
The first vertical plate 6 and the second vertical plate 11 are both provided with heating elements 5, the installation positions of the heating elements 5 are shown in the figure, preferably, the heating elements 5 are heating pipes, and the types and the powers of the heating pipes are selected and adjusted by a person skilled in the art according to needs. First upright 6 and third upright 17 are both mounted on table 21.
Specifically, a first fixing plate 7 is installed in the first vertical plate 6. The first driving mechanism comprises a first air cylinder 1, the first air cylinder 1 is installed on the first fixing seat 2, a piston rod of the first air cylinder 1 is connected with a first connecting rod 3, a first joint bearing is installed at one end of the first connecting rod 3, a first guide rod penetrates through the center of the first joint bearing, and the first guide rod is fixed on the first fixing plate 7.
The first fixing plate 7 is provided with a compressed air inlet 8, the compressed air inlet 8 is communicated with an air source, and the corrugated pipe 19 is provided with an air outlet 20. The first fixing plate 7 is provided with a temperature sensor 4, the installation position of the temperature sensor 4 is shown in the figure, the temperature sensor 4 is a commercial product, the working principle of the temperature sensor is common knowledge, and the temperature sensor is selected by a person skilled in the art according to requirements.
A second fixing plate 10 is installed in the second vertical plate 11, the second driving mechanism comprises a second air cylinder 15, a piston rod of the second air cylinder 15 is connected with a second connecting rod 12, one end of the second connecting rod 12 is provided with a second joint bearing, and the second joint bearing is connected with the second fixing plate 10 through a rotating shaft.
With reference to fig. 5 and fig. 6, in this embodiment, the second fixing plate 10 includes a first plate 1001, a connecting ear seat 1002 is disposed at the bottom of the first plate 1001, the connecting ear seat 1002 and the first plate 1001 are integrally formed, the first plate 1001 is provided with a set of first through holes 1003, and the first through holes 1003 are used for connecting with the second vertical plate 11. Second upright plate 11 includes second flat plate 1101, a notch is formed in the center of second flat plate 1101, the shape of the notch is the same as that of first flat plate 1001, second flat plate 1101 is provided with a set of second through holes 1102, the position of first through hole 1003 corresponds to the position of second through hole 1102, and the fixing rod can sequentially pass through first through hole 1003 and second through hole 1102, so as to fix second fixing plate 10 in second upright plate 11.
The end of the second cylinder 15 is fixed on the connecting plate, the bottom of the connecting plate is provided with a slide block, the slide block and the guide rail 13 are mutually embedded, and the guide rail 13 is arranged on the second fixed seat 14. The slide block and the guide rail 13 are used for matching the second vertical plate 11 to move between the first vertical plate 6 and the third vertical plate 17 along the length direction of the guide rod 9.
The third driving mechanism comprises a third air cylinder 18, a piston rod of the third air cylinder 18 is connected with a third connecting rod 16, and the third connecting rod 16 penetrates through a third vertical plate 17 and is connected with the second vertical plate 11.
An operator can adjust the distance between the first vertical plate 6 and the second vertical plate 11 according to the length of the corrugated pipe to be tested, and two sides of the corrugated pipe 19 are in flange connection with the first vertical plate 6 and the second vertical plate 11 respectively.
The working principle of the utility model is as follows:
the bellows 19 to be tested is installed between the first vertical plate 6 and the second vertical plate 11, two sides of the bellows 19 are respectively in flange connection with the first vertical plate 6 and the second vertical plate 11, and planes of two sides of the bellows 19 to be tested are just in contact with the plane of the first vertical plate 6 and the plane of the second vertical plate 11.
Opening the air source, adjusting the output pressure of the air source, opening the input stop valve, adjusting the pressure reducing valve, enabling the pressure display value of the output pressure gauge to reach the rated pressure value, opening the output stop valve, observing whether the tested corrugated pipe 19 leaks air, switching on the power supply under the condition of ensuring that no air leaks, enabling the numerical value of the counting element to be zero, starting the first driving mechanism, the second driving mechanism, the third driving mechanism and the heating element 5, and starting the pressure fatigue test of the corrugated pipe 19. Specifically, a piston rod of the first cylinder 1 pushes the first connecting rod 3 to move, the first connecting rod 3 transmits power to the first fixing plate 7, a piston rod of the second cylinder 15 pushes the second connecting rod 12 to move, the second connecting rod 12 transmits power to the second fixing plate 10, a piston rod of the third cylinder 18 pushes the third connecting rod 16, the third connecting rod 16 transmits power to the second fixing plate 10, and the corrugated pipe 19 is made to reach a rotating speed corresponding to a test requirement.
In the test process, the equipment and the test article need to be observed frequently to ensure the normal operation of the test equipment. And when the detection times reach the rated set value of the counting element, stopping the first driving mechanism, the second driving mechanism, the third driving mechanism and the heating element 5, and making detection records of the product types and batches.
The fatigue testing machine for metal corrugated pipes is already applied in the production of a certain company, and the data of the test experiment part of the corrugated pipe 19 with the same model is as follows:
in conclusion, in the operation process of the equipment, the detection precision and the detection efficiency both meet the detection requirements, the air pressure system is reliable in operation, and the detection working precision and various technical indexes meet the detection requirements. The utility model is suitable for the design of the corrugated pipes 19 with various types and different expansion amounts, greatly increases the detection range and obtains better use effect.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing description is illustrative of the present invention and is not to be construed as limiting the utility model, which is defined by the scope of the appended claims, as the utility model may be modified in any manner without departing from the essential structure thereof.
Claims (9)
1. The utility model provides a metal bellows fatigue test machine which characterized in that: the heating device comprises a first vertical plate (6), a second vertical plate (11) and a third vertical plate (17) which are parallel to each other and connected through a guide rod (9), wherein heating elements (5) are arranged on the first vertical plate (6) and the second vertical plate (11); a corrugated pipe (19) is arranged between the first vertical plate (6) and the second vertical plate (11); the first vertical plate (6) is connected with a first driving mechanism, and the first driving mechanism drives the corrugated pipe (19) to twist; the second vertical plate (11) is connected with a second driving mechanism, and the second driving mechanism drives the corrugated pipe (19) to move in the radial direction; the third vertical plate (17) is connected with a third driving mechanism, and the third driving mechanism drives the corrugated pipe (19) to axially move.
2. The metal bellows fatigue test machine of claim 1, wherein: a first fixing plate (7) is installed in the first vertical plate (6), the first driving mechanism comprises a first air cylinder (1), the first air cylinder (1) is installed on the first fixing seat (2), a piston rod of the first air cylinder (1) is connected with a first connecting rod (3), a first knuckle bearing is installed at one end of the first connecting rod (3), a first guide rod penetrates through the center of the first knuckle bearing, and the first guide rod is fixed on the first fixing plate (7).
3. The metal bellows fatigue test machine of claim 2, wherein: the first fixing plate (7) is provided with a compressed air inlet (8).
4. The metal bellows fatigue test machine of claim 2, wherein: the first fixing plate (7) is provided with a temperature sensor (4).
5. The metal bellows fatigue test machine of claim 1, wherein: a second fixing plate (10) is installed in the second vertical plate (11), the second driving mechanism comprises a second air cylinder (15), a piston rod of the second air cylinder (15) is connected with a second connecting rod (12), a second joint bearing is installed at one end of the second connecting rod (12), and the second joint bearing is connected with the second fixing plate (10) through a rotating shaft.
6. The metal bellows fatigue test machine of claim 5, wherein: the end part of the second cylinder (15) is fixedly arranged on a connecting plate, the bottom of the connecting plate is provided with a sliding block, the sliding block and the guide rail (13) are mutually embedded, and the guide rail (13) is arranged on a second fixed seat (14).
7. The metal bellows fatigue test machine of claim 1, wherein: the third driving mechanism comprises a third air cylinder (18), a piston rod of the third air cylinder (18) is connected with a third connecting rod (16), and the third connecting rod (16) penetrates through the third vertical plate (17) and is connected with the second vertical plate (11).
8. The metal bellows fatigue test machine of claim 1, wherein: the distance between the first vertical plate (6) and the second vertical plate (11) is adjustable, and the corrugated pipe (19) is in flange connection with the first vertical plate (6) and the second vertical plate (11) respectively.
9. The metal bellows fatigue test machine of claim 1, wherein: the first vertical plate (6) and the third vertical plate (17) are both arranged on a workbench (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122785038.2U CN216349523U (en) | 2021-11-13 | 2021-11-13 | Fatigue tester for metal corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122785038.2U CN216349523U (en) | 2021-11-13 | 2021-11-13 | Fatigue tester for metal corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216349523U true CN216349523U (en) | 2022-04-19 |
Family
ID=81148730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122785038.2U Expired - Fee Related CN216349523U (en) | 2021-11-13 | 2021-11-13 | Fatigue tester for metal corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216349523U (en) |
-
2021
- 2021-11-13 CN CN202122785038.2U patent/CN216349523U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102563362A (en) | Compressed air system and intelligent pipe network leakage detecting method for same | |
| CN105628371A (en) | Blade fatigue performance tester | |
| CN108535129A (en) | The micro-nano impression test system of low temperature that large journey low-temperature floats under micro- component | |
| CN114046977A (en) | Fatigue testing machine for metal corrugated pipe and operation method thereof | |
| CN101158608A (en) | Loading test bench of straight stroke electric actuating mechanism | |
| CN203405137U (en) | Gauge for measuring level difference of big head and small head of connecting rod | |
| CN101349604B (en) | Apparatus and method for testing and monitoring pipe real time pressure | |
| CN216349523U (en) | Fatigue tester for metal corrugated pipe | |
| CN110702307A (en) | Method for testing pressure parameters of multi-channel sensor | |
| CN209131895U (en) | A kind of press-in connection platform for pressure meter calibration | |
| CN112881012A (en) | Speed reducer detection device | |
| CN110017313B (en) | Cylinder performance detection method | |
| CN201155962Y (en) | Off-grade metal pipes detection device | |
| CN212586147U (en) | Portable pressure pipeline detection device | |
| CN205262599U (en) | Capacitanc pipe / shaft -like object vibration on - line measuring device | |
| CN101451801A (en) | Lift range measuring apparatus of locating plate of air-conditioner compressor | |
| CN203772484U (en) | Performance testing apparatus for automotive air pressure sensor and pressure switch | |
| CN111365220B (en) | Internal flow field parameter testing system of vacuum dry pump | |
| CN220170832U (en) | Product detection gauge | |
| CN112709727B (en) | Debugging system of direct-acting hydraulic valve | |
| CN213516327U (en) | Comprehensive detection test bed for technical performance of regulating valve | |
| CN111122249A (en) | High-precision full-automatic sampling device and method for measuring oil content of refrigerant | |
| CN111537227A (en) | Service life test bench for measuring service life of lead screw nut | |
| CN220982502U (en) | Pipeline detection equipment normal position calibrating device | |
| CN209223951U (en) | Dismantling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220419 |