CN113484139B - Device for stainless steel gas corrugated pipe flattening experiment - Google Patents
Device for stainless steel gas corrugated pipe flattening experiment Download PDFInfo
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- CN113484139B CN113484139B CN202110614103.7A CN202110614103A CN113484139B CN 113484139 B CN113484139 B CN 113484139B CN 202110614103 A CN202110614103 A CN 202110614103A CN 113484139 B CN113484139 B CN 113484139B
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 40
- 239000010935 stainless steel Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 abstract description 21
- 238000001125 extrusion Methods 0.000 abstract description 11
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 16
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- G01N3/08—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
- G01N2203/0019—Compressive
-
- 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
-
- 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
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- 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 Or Analysing Materials By Optical Means (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of stainless steel gas pipe detection and discloses a device for stainless steel gas corrugated pipe flattening experiments, which comprises a bottom plate, two side plates and a rear plate, wherein the side plates are fixed on two sides of the upper surface of the bottom plate, the rear plate is fixed on the rear surface of the bottom plate, a threaded rod is arranged on the right side of the left side plate, guide rods are symmetrically arranged on the right side of the left side plate relative to the threaded rod, and a movable disc is connected on the outer surface of the threaded rod in a threaded manner; in the use, can set up extruded maximum pressure on the controller, at extruded in-process, pressure sensor between connection pad and the electromagnetism dish can real-time supervision extrusion stainless steel gas bellows pressure when, after pressure reaches the pressure value of predetermineeing, stops extrusion pipeline, can make the experimenter know the amount of collapsing of pipeline under different pressures to can make the experimenter know the in-process that pressure grow gradually, the condition of collapsing of pipeline.
Description
Technical Field
The invention relates to the technical field of stainless steel gas pipe detection, in particular to a device for stainless steel gas corrugated pipe flattening experiments.
Background
The gas is a generic term of gas fuel, it can burn and give off heat, supply resident and industrial enterprise to use, in order to guarantee the transportation of gas, generally can adopt stainless steel gas bellows to carry the gas, in order to guarantee the reliability that stainless steel gas bellows used, stainless steel gas bellows generally can carry out flattening experiment to stainless steel gas bellows through flattening experimental apparatus before putting into use, traditional flattening experimental apparatus is when using, make extrusion mechanism feed compression stainless steel gas bellows through the manual work rotation screw rod, after the extrusion is accomplished, the manual work is measured the collapsing volume of stainless steel bellows through the steel ruler, but traditional flattening experimental apparatus is when using, the manual work intervenes more, easy extremely big influence to experimental structural accuracy produces.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a device for flattening experiments of stainless steel gas corrugated pipes, which solves the problems in the prior art.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a device for stainless steel gas bellows flattens experiment, includes bottom plate, two curb plates and back plate, the upper surface both sides of bottom plate all are fixed with the curb plate, just the back surface fixing of bottom plate has the back plate, left the right side of curb plate is equipped with the threaded rod, and left the right side of curb plate is with threaded rod symmetry is equipped with the guide bar about the threaded rod, the surface threaded connection of threaded rod has the movable disk, two the guide bar runs through the movable disk, the right side of movable disk is located the place ahead and the rear of threaded rod all are fixed with the connecting rod, two the right-hand member of connecting rod is fixed with the connection pad jointly, the right side of connection pad is equipped with the electric disk, left side the left side of curb plate is equipped with servo motor, the left end of threaded rod with servo motor's output fixed connection, the front surface of back plate is equipped with the horizontal post, the surface of horizontal post is relative electromagnetic disk department is fixed with infrared range sensor, the right side of curb plate is fixed with the controller respectively with infrared range finder, controller with infrared range finder and electric sensor.
Preferably, the right side of the side plate is provided with a first through chute, the first chute is connected with a first slide block in a sliding manner, the right side of the servo motor is fixedly connected with the left side of the first slide block, the threaded rod penetrates through the first slide block, the left ends of the two guide rods are fixedly connected with the right side of the first slide block, the left side of the guide rods is fixedly provided with a first electric telescopic rod, the bottom end of an output shaft of the first electric telescopic rod is fixedly connected with the upper surface of the first slide block, the front surface of the rear plate is provided with a second through chute, the second slide block is connected with the second slide block in a sliding manner, the rear end of the rear column is fixedly connected with the front surface of the second slide block, and the top of the rear plate is fixedly provided with a second electric telescopic rod, and the bottom end of an output shaft of the second electric telescopic rod is fixedly connected with the top of the second slide block.
Preferably, pressure sensors are symmetrically fixed between the connecting disc and the electromagnetic disc, and the pressure sensors are electrically connected with the controller.
Preferably, a limiting block is fixed at the right end of the guide rod.
Preferably, four corners of the lower surface of the bottom plate are all fixed with powerful suckers.
Preferably, the right side symmetry of back plate is fixed with the axle sleeve, two rotate between the axle sleeve and be connected with the pivot, the back surface of back plate is equipped with the clipboard, the lateral wall of clipboard is fixed with the frame, the surface of frame with the surface fixed connection of pivot.
Preferably, the top of the rear surface of the frame is provided with a pen groove, a writing pen is arranged in the pen groove, and the top and the bottom of the pen groove are uniformly and integrally formed with grooves.
Preferably, the top and the bottom of the rotating shaft are respectively positioned in the two shaft sleeves, and the outer surface of the rotating shaft is attached to the inner surface of the shaft sleeve.
(III) beneficial effects
The invention provides a device for stainless steel gas corrugated pipe flattening experiments, which has the following beneficial effects:
(1) In the using process, the stainless steel gas corrugated pipe is placed on the bottom plate and sleeved on the cross column, meanwhile, the outer wall of the pipeline is contacted with the right side plate, then the servo motor drives the threaded rod to rotate, so that the movable plate can move, the stainless steel gas corrugated pipe is extruded through the connecting plate and the electromagnetic plate on the connecting plate, the pipeline is collapsed, the infrared ranging sensor on the cross column feeds back data measured before the pipeline is collapsed and data measured after the pipeline is collapsed to the controller, the collapsing amount is displayed on the display screen through the calculation of the controller, compared with a traditional flattening device, the device has less manual intervention, the extruding process is fully automatic, and the accuracy of experimental data is greatly improved.
(2) The invention can set the extrusion maximum pressure on the controller in the using process, the pressure sensor between the connecting disc and the electromagnetic disc can monitor the pressure when the stainless steel gas corrugated pipe is extruded in real time in the extrusion process, and when the pressure reaches the preset pressure value, the pipeline extrusion is stopped, so that an experimenter can know the collapse amount of the pipeline under different pressures, and the experimenter can know the collapse condition of the pipeline in the process of gradually increasing the pressure.
(3) In the using process of the invention, the electromagnetic disc can be electrified through the controller according to specific experimental requirements, so that the electromagnetic disc generates suction force, the servo motor drives the threaded rod to rotate reversely, the movable disc moves towards the left side plate, and the pressure sensor between the connecting disc and the electromagnetic disc is matched, so that the expansion quantity of the stainless steel gas corrugated pipe can be simulated when the pressure in the pipeline is overlarge.
(4) When the stainless steel gas corrugated pipes with different pipe diameters are placed on the bottom plate in the using process, the controller can synchronously adjust the first electric telescopic rod and the second electric telescopic rod, so that the first sliding block and the second sliding block synchronously move up and down, and the cross beam column and the threaded rod can be adjusted to proper positions to squeeze the pipe.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic elevational view of the present invention;
fig. 3 is a schematic rear view of the writing board of the present invention.
In the figure: 1. a bottom plate; 2. a side plate; 3. a servo motor; 4. a first slider; 5. a first electric telescopic rod; 6. a first chute; 7. a moving tray; 8. a guide rod; 9. a threaded rod; 10. a limiting block; 11. a connecting disc; 12. an electric magnetic disk; 13. a connecting rod; 14. a rear plate; 15. a frame; 16. a second electric telescopic rod; 17. a second chute; 18. a second slider; 19. a cross column; 20. a shaft sleeve; 21. a rotating shaft; 22. a controller; 23. a writing pen; 24. a pressure sensor; 25. an infrared ranging sensor; 26. a powerful suction cup; 27. a writing board; 28. a pen slot; 29. a groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-3, the present invention provides a technical solution: the utility model provides a device for stainless steel gas bellows flattens experiment, which comprises a base plate 1, two curb plates 2 and back plate 14, the upper surface both sides of bottom plate 1 are fixed with curb plate 2, and the back surface of bottom plate 1 is fixed with back plate 14, the right side of left curb plate 2 is equipped with threaded rod 9, and the right side of left curb plate 2 is equipped with guide bar 8 about threaded rod 9 symmetry, the surface threaded connection of threaded rod 9 has movable dish 7, two guide bars 8 run through movable dish 7, the right side of movable dish 7 is located the place ahead and the rear of threaded rod 9 and all is fixed with connecting rod 13, the right-hand member of two connecting rods 13 is fixed with connecting disc 11 jointly, the right side of connecting disc 11 is equipped with electric disk 12, the left side of left curb plate 2 is equipped with servo motor 3, the left end of threaded rod 9 and the output fixed connection of servo motor 3, the front surface of back plate 14 is equipped with beam 19, an infrared distance measuring sensor 25 is fixed on the outer surface of the horizontal column 19 relative to the electric disk 12, a controller 22 is fixed on the right side of the right side plate 2, the controller 22 is respectively electrically connected with the infrared distance measuring sensor 25, the servo motor 3 and the electric disk 12, when the electric disk is used, firstly, a stainless steel gas corrugated pipe is placed on the bottom plate 1 and sleeved on the horizontal column 19, meanwhile, a pipeline is contacted with the right side plate 2, then the servo motor 3 drives the threaded rod 9 to rotate, so that the movable disk 7 can be moved, the stainless steel gas corrugated pipe is extruded by the connecting disk 11 and the electromagnetic disk 12 thereon, the pipeline is collapsed, the infrared distance measuring sensor 25 on the horizontal column 19 feeds back the data measured before the pipeline is collapsed and the data measured after the pipeline is collapsed to the controller 22, the collapse amount is displayed on a display screen through the calculation of the controller 22 compared with the traditional collapse device, the device manual intervention is less, and the extrusion process is full-automatic, has improved experimental data's accuracy greatly to at the in-process of actual operation, the experimenter can pass through controller 22 and make electric disk 12 circular telegram produce magnetic force according to experimental needs, thereby can adsorb stainless steel gas bellows, then servo motor 3 drives threaded rod 9 reversal, makes movable disk 7 remove to left side curb plate 2, thereby can simulate the expansion volume of pipeline internal pressure when too big, stainless steel gas bellows.
Further, the right side of the left side plate 2 is provided with a first sliding groove 6 penetrating through, the inside of the first sliding groove 6 is slidingly connected with a first sliding block 4, the right side of the servo motor 3 is fixedly connected with the left side of the first sliding block 4, the threaded rod 9 penetrates through the first sliding block 4, the left ends of the two guide rods 8 are fixedly connected with the right side of the first sliding block 4, the top of the left side plate 2 is fixedly provided with a first electric telescopic rod 5, the bottom end of an output shaft of the first electric telescopic rod 5 is fixedly connected with the upper surface of the first sliding block 4, the front surface of the rear plate 14 is provided with a second sliding groove 17 penetrating through, the inside of the second sliding groove 17 is slidingly connected with a second sliding block 18, the rear end of the horizontal column 19 is fixedly connected with the front surface of the second sliding block 18, the top of the rear plate 14 is fixedly connected with a second electric telescopic rod 16, the bottom end of the output shaft of the second electric telescopic rod 16 is fixedly connected with the top of the second sliding block 18, in the using process, when stainless steel corrugated pipes with different diameters are placed on the bottom plate 1, the first electric telescopic rod and the second sliding rod 16 can be synchronously adjusted by the controller 22, and the second telescopic rod can be moved to the second sliding rod 18, and the second sliding rod can be adjusted to the position of the second sliding rod 19, and the second sliding rod can be synchronously moved down, and the second sliding rod can be adjusted to the position of the column 19.
Further, the pressure sensor 24 is symmetrically fixed between the connecting disc 11 and the electromagnetic disc 12, the pressure sensor 24 is electrically connected with the controller 22, in the using process, the extrusion maximum pressure can be set on the controller 22, in the extrusion process, the pressure sensor 24 between the connecting disc 11 and the electromagnetic disc 12 can monitor the pressure when extruding the stainless steel gas corrugated pipe in real time, after the pressure reaches a preset pressure value, the pipeline is stopped from being extruded, so that an experimenter can know the collapse amount of the pipeline under different pressures, and the experimenter can know the collapse condition of the pipeline in the process of gradually increasing the pressure.
Further, the right end of the guide rod 8 is fixed with a limiting block 10, so that the situation that the movable disc 7 falls off from the threaded rod 9 is avoided.
Further, four corners of the lower surface of the base plate 1 are respectively fixed with a powerful sucker 26, so that the whole device can be firmly fixed on a tabletop for use when in use.
Further, the right side symmetry of back plate 14 is fixed with axle sleeve 20, rotates between two axle sleeves 20 and is connected with pivot 21, and the rear surface of back plate 14 is equipped with clipboard 27, and the lateral wall of clipboard 27 is fixed with frame 15, and the surface of frame 15 and the surface fixed connection of pivot 21 can rotate the clipboard to one side in the use to can write the collapsing value of different stainless steel gas bellows on the clipboard, conveniently demonstrate explanation and demonstrate.
Further, the top of the rear surface of the frame 15 is provided with a pen slot 28, the interior of the pen slot 28 is provided with a writing pen 23, and the top and the bottom of the pen slot 28 are uniformly and integrally formed with a groove 29, so that an experimenter can directly take out the writing pen 23 from the pen slot 28 to write on the writing board 27.
Further, the top and the bottom of the rotating shaft 21 are respectively located inside the two shaft sleeves 20, and the outer surface of the rotating shaft 21 is attached to the inner surface of the shaft sleeve 20, so that the shaking condition of the writing board 27 is avoided when the writing board is used, and the condition that the writing board 27 is easy to rotate in the writing process can be avoided through the friction force between the rotating shaft 21 and the shaft sleeve 20.
To sum up, the workflow of the invention: when the device is used, the first electric telescopic rod 5 and the second electric telescopic rod 16 can be synchronously regulated through the controller 22, so that the first sliding block 4 and the second sliding block 18 can synchronously move up and down, the horizontal column 19 and the threaded rod 9 can be regulated to proper positions, then the stainless steel gas corrugated pipe is placed on the bottom plate 1 and sleeved on the horizontal column 19, meanwhile, the pipeline is in contact with the right side plate 2, the threaded rod 9 is driven to rotate through the servo motor 3, the movable disc 7 can be moved, the stainless steel gas corrugated pipe is extruded through the connecting disc 11 and the electromagnetic disc 12 on the connecting disc, the pipeline is collapsed, the infrared ranging sensor 25 on the horizontal column 19 can feed back data measured before the pipeline collapse and data measured after the pipeline collapse to the controller 22, the collapse amount is displayed on the display screen through the calculation of the controller 22, compared with a traditional device, the device has less manual intervention, the full automatic extrusion process, the accuracy of experimental data is greatly improved, and in the actual operation, the personnel can drive the electric motor to drive the threaded rod 9 to rotate through the servo motor, the electromagnetic force sensor 12 on the inner side plate 9, and the pipeline can be expanded through the electromagnetic force sensor 12, and the electromagnetic force sensor 12 on the inner side plate 9 can be expanded, and the stainless steel corrugated pipe can be expanded through the magnetic force, and the magnetic force can be expanded through the magnetic force the experiment device 2, and the inner side plate 9 can be expanded, and the large-like.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a device for stainless steel gas bellows flattens experiment, includes bottom plate (1), two curb plates (2) and back plate (14), its characterized in that: the utility model discloses a distance measuring device, including bottom plate (1), connecting plate (14), connecting plate (11), servo motor (3) are equipped with on the right side of connecting plate (11), servo motor (3) are equipped with on the left right side of curb plate (2) about threaded rod (9) symmetry, the surface threaded connection of threaded rod (9) has movable dish (7), two guide rod (8) run through movable dish (7), the right side of movable dish (7) is located the place ahead and the rear of threaded rod (9) are all fixed with connecting rod (13), two connecting rod (13) are fixed with connection pad (11) jointly in the right-hand member, connection pad (11) are equipped with electric disk (12) on the right side, servo motor (3) are equipped with on the left side of curb plate (2), servo motor (3)'s output fixed connection on the left end of threaded rod (9), the front surface of back plate (14) is equipped with infrared sensor (19), distance measuring sensor (22) are located on the right side of fixed surface of fixed sensor (22), sensor (22) are located on the right side of fixed sensor (22) The servo motor (3) is electrically connected with the electromagnetic disc (12).
2. The apparatus for stainless steel gas bellows collapse test according to claim 1, wherein: the left side the first spout (6) of running through has been seted up on the right side of curb plate (2), the inside sliding connection of first spout (6) has first slider (4), the right side of servo motor (3) with the left side fixed connection of first slider (4), threaded rod (9) run through first slider (4), two the left end of guide bar (8) all with the right side fixed connection of first slider (4), the left side the top of curb plate (2) is fixed with first electric telescopic handle (5), the output shaft bottom of first electric telescopic handle (5) with the upper surface fixed connection of first slider (4), the second spout (17) of running through have been seted up to the front surface of back plate (14), the inside sliding connection of second spout (17), the rear end of post (19) with the front surface fixed connection of second slider (18), the bottom of electric telescopic handle (16) are fixed with on the top of back plate (14), the bottom of second electric telescopic handle (16) is connected with the top of second slider (18).
3. The apparatus for stainless steel gas bellows collapse test according to claim 1, wherein: pressure sensors (24) are symmetrically fixed between the connecting disc (11) and the electromagnetic disc (12), and the pressure sensors (24) are electrically connected with the controller (22).
4. The apparatus for stainless steel gas bellows collapse test according to claim 1, wherein: a limiting block (10) is fixed at the right end of the guide rod (8).
5. The apparatus for stainless steel gas bellows collapse test according to claim 1, wherein: four corners of the lower surface of the bottom plate (1) are respectively fixed with a powerful sucker (26).
6. The apparatus for stainless steel gas bellows collapse test according to claim 1, wherein: the right side symmetry of back plate (14) is fixed with axle sleeve (20), two rotate between axle sleeve (20) and be connected with pivot (21), the back surface of back plate (14) is equipped with clipboard (27), the lateral wall of clipboard (27) is fixed with frame (15), the surface of frame (15) with the surface fixed connection of pivot (21).
7. The apparatus for stainless steel gas bellows collapse test according to claim 6, wherein: the pen groove (28) is formed in the top of the rear surface of the frame (15), the writing pen (23) is formed in the pen groove (28), and grooves (29) are formed in the top and bottom of the pen groove (28) in a uniform mode.
8. The apparatus for stainless steel gas bellows collapse test according to claim 7, wherein: the top and the bottom of the rotating shaft (21) are respectively positioned in the two shaft sleeves (20), and the outer surface of the rotating shaft (21) is attached to the inner surface of the shaft sleeve (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110614103.7A CN113484139B (en) | 2021-06-02 | 2021-06-02 | Device for stainless steel gas corrugated pipe flattening experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110614103.7A CN113484139B (en) | 2021-06-02 | 2021-06-02 | Device for stainless steel gas corrugated pipe flattening experiment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113484139A CN113484139A (en) | 2021-10-08 |
| CN113484139B true CN113484139B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110614103.7A Active CN113484139B (en) | 2021-06-02 | 2021-06-02 | Device for stainless steel gas corrugated pipe flattening experiment |
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| CN (1) | CN113484139B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090053485A (en) * | 2007-11-23 | 2009-05-27 | 한국원자력연구원 | Stress - strain measuring apparatus using bellows structure |
| CN210358832U (en) * | 2019-07-08 | 2020-04-21 | 仪征市爱特电器有限责任公司 | Pressure punch press that security performance is good |
| JP2021032405A (en) * | 2019-08-16 | 2021-03-01 | 方小剛 | Extensible and contractible connection type pipe |
| CN112461672A (en) * | 2020-11-25 | 2021-03-09 | 浙江金科复合材料科技有限公司 | Device capable of detecting stress resistance of polyethylene buried double-wall corrugated pipe |
-
2021
- 2021-06-02 CN CN202110614103.7A patent/CN113484139B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090053485A (en) * | 2007-11-23 | 2009-05-27 | 한국원자력연구원 | Stress - strain measuring apparatus using bellows structure |
| CN210358832U (en) * | 2019-07-08 | 2020-04-21 | 仪征市爱特电器有限责任公司 | Pressure punch press that security performance is good |
| JP2021032405A (en) * | 2019-08-16 | 2021-03-01 | 方小剛 | Extensible and contractible connection type pipe |
| CN112461672A (en) * | 2020-11-25 | 2021-03-09 | 浙江金科复合材料科技有限公司 | Device capable of detecting stress resistance of polyethylene buried double-wall corrugated pipe |
Non-Patent Citations (1)
| Title |
|---|
| 多层不锈钢波纹管热工性能的实验研究;谭羽非, 刘海军;煤气与热力;20030625(第06期);全文 * |
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| CN113484139A (en) | 2021-10-08 |
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