CN113484139A - 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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- CN113484139A CN113484139A CN202110614103.7A CN202110614103A CN113484139A CN 113484139 A CN113484139 A CN 113484139A CN 202110614103 A CN202110614103 A CN 202110614103A CN 113484139 A CN113484139 A CN 113484139A
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 41
- 239000010935 stainless steel Substances 0.000 title claims abstract description 41
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 241000252254 Catostomidae Species 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 23
- 238000001125 extrusion Methods 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 12
- 230000009471 action Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect 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
- 230000000694 effects Effects 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
- 238000006467 substitution reaction Methods 0.000 description 1
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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
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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
- G01N2203/0019—Compressive
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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
- G01N2203/02—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
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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
- G01N2203/02—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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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention relates to the technical field of stainless steel gas pipe detection, and discloses a device for a stainless steel gas corrugated pipe flattening experiment, which comprises a bottom plate, two side plates and a rear plate, wherein the side plates are fixed on both 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 side plate on the left side, guide rods are symmetrically arranged on the right side of the side plate on the left side relative to the threaded rod, and a movable disc is connected to the outer surface of the threaded rod in a threaded manner; in the in-process that uses, can set up extruded maximum pressure on the controller, at extruded in-process, pressure when pressure sensor between connection pad and the electromagnetic disk can real-time supervision extrusion stainless steel gas bellows, after pressure reached predetermined pressure value, stopped the extrusion pipeline, can make the experimenter know the amount of collapsing of pipeline under the pressure of difference to can make the experimenter know the in-process that pressure gradually becomes big, 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 a stainless steel gas corrugated pipe flattening experiment.
Background
The gas is gaseous fuel's collective name, it can burn and give off the heat, supply resident and industrial enterprise to use, in order to guarantee the transport of gas, general 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 is before coming into use, generally can carry out the flattening experiment to stainless steel gas bellows through flattening experimental apparatus, traditional flattening experimental apparatus is when using, make extrusion mechanism feed compression stainless steel gas bellows through the artifical screw rod that rotates, the extrusion is accomplished the back, the manual work is measured stainless steel bellows's the volume of collapsing through the steelyard, but traditional flattening experimental apparatus is when using, artificial more, produce very big influence to the structural accuracy of experiment easily.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a device for a stainless steel gas corrugated pipe flattening experiment, which solves the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a device for a stainless steel gas corrugated pipe flattening experiment 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, a moving disc is in threaded connection with the outer surface of the threaded rod, the two guide rods penetrate through the moving disc, connecting rods are fixed on the right side of the moving disc in front of and behind the threaded rod, a connecting disc is fixed on the right ends of the two connecting rods together, an electromagnetic disc is arranged on the right side of the connecting disc, a servo motor is arranged on the left side of the left side plate, the left end of the threaded rod is fixedly connected with the output end of the servo motor, a horizontal column is arranged on the front surface of the rear plate, an infrared distance measuring sensor is fixed on the outer surface of the cross column opposite to the electromagnetic disc, a controller is fixed on the right side of the side plate on the right side, and the controller is electrically connected with the infrared distance measuring sensor, the servo motor and the electromagnetic disc respectively.
Preferably, the right side of the side plate on the left side is provided with a through first sliding groove, the inside of the first sliding groove is connected with a first sliding block in a sliding manner, the right side of the servo motor is fixedly connected with the left side of the first sliding block, the threaded rod penetrates through the first sliding block, the left ends of the two guide rods are fixedly connected with the right side of the first sliding block, the top of the side plate on the left side is fixedly provided with a first electric telescopic rod, the bottom end of the output shaft of the first electric telescopic rod is fixedly connected with the upper surface of the first sliding block, the front surface of the rear plate is provided with a penetrating second sliding chute, the inside of the second sliding chute is connected with a second sliding block in a sliding way, the rear end of the cross columns is fixedly connected with the front surface of the second sliding block, a second electric telescopic rod is fixed at the top of the rear plate, the bottom end of the output shaft of the second electric telescopic rod is fixedly connected with the top of the second sliding 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 respectively fixed with a powerful sucker.
Preferably, the right side symmetry of back plate is fixed with the axle sleeve, two it is connected with the pivot to rotate between the axle sleeve, the rear 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 integrally formed with a groove.
Preferably, the top and the bottom of the rotating shaft are respectively located in the two shaft sleeves, and the outer surface of the rotating shaft is attached to the inner surface of each shaft sleeve.
(III) advantageous effects
The invention provides a device for a stainless steel gas corrugated pipe flattening experiment, which has the following beneficial effects:
(1) during the use process, the stainless steel gas corrugated pipe is placed on the bottom plate and sleeved on the cross column, the outer wall of the pipeline is in contact with the right side plate, the threaded rod is driven to rotate through the servo motor, the movable disc can be moved, the stainless steel gas corrugated pipe is extruded through the connecting disc and the electromagnetic disc on the connecting disc, the pipeline is collapsed, the data measured before the pipeline is collapsed and the data measured after the pipeline is collapsed can be fed back to the controller through the infrared distance measuring sensor on the cross column, the collapse amount can be displayed on the display screen through calculation of the controller, compared with a traditional collapsing device, the device is less in manual intervention, the extrusion process is full-automatic, and the accuracy of experimental data is greatly improved.
(2) During the use process of the invention, the maximum extrusion pressure can be set on the controller, during the extrusion 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, and when the pressure reaches a preset pressure value, the pipeline extrusion is stopped, so that experimenters can know the collapse amount of the pipeline under different pressures, and can know the collapse condition of the pipeline in the process of gradually increasing the pressure.
(3) When the device is used, 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 expansion amount of the stainless steel gas corrugated pipe can be simulated by matching with the pressure sensor between the connecting disc and the electromagnetic disc when the internal pressure of the pipeline is too high.
(4) When the stainless steel gas corrugated pipe with different pipe diameters is 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 to enable the first sliding block and the second sliding block to synchronously move up and down, so that the cross columns and the threaded rods can be adjusted to appropriate positions to extrude the pipe.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the present invention;
fig. 3 is a rear view structural diagram of the writing board of the present invention.
In the figure: 1. a base 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 movable tray; 8. a guide bar; 9. a threaded rod; 10. a limiting block; 11. a connecting disc; 12. an electromagnetic disk; 13. a connecting rod; 14. a back 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 sucker; 27. a writing board; 28. a pen slot; 29. and (4) a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the present invention provides a technical solution: a device for a stainless steel gas corrugated pipe flattening experiment comprises a bottom plate 1, two side plates 2 and a rear plate 14, wherein the side plates 2 are fixed on two sides of the upper surface of the bottom plate 1, the rear plate 14 is fixed on the rear surface of the bottom plate 1, a threaded rod 9 is arranged on the right side of the left side plate 2, guide rods 8 are symmetrically arranged on the right side of the left side plate 2 relative to the threaded rod 9, a moving disc 7 is in threaded connection with the outer surface of the threaded rod 9, the two guide rods 8 penetrate through the moving disc 7, connecting rods 13 are fixed on the right side of the moving disc 7 in front of and behind the threaded rod 9, connecting discs 11 are jointly fixed at the right ends of the two connecting rods 13, an electromagnetic disc 12 is arranged on the right side of the connecting discs 11, a servo motor 3 is arranged on the left side of the left side plate 2, the left end of the threaded rod 9 is fixedly connected with the output end of the servo motor 3, a horizontal beam 19 is arranged on the front surface of the rear plate 14, an infrared distance measuring sensor 25 is fixed on the outer surface of the horizontal beam 19 relative to the electromagnetic disc 12, when the device is used, firstly, the stainless steel gas corrugated pipe is placed on the bottom plate 1 and sleeved on the cross column 19, the pipeline is simultaneously contacted with the side plate 2 on the right side, then the servo motor 3 drives the threaded rod 9 to rotate, so that the movable disc 7 can move, the stainless steel gas corrugated pipe is extruded through the connecting disc 11 and the electromagnetic disc 12 on the connecting disc 11, so that the pipeline is collapsed, the infrared distance measuring sensor 25 on the cross column 19 feeds back data measured before the pipeline is collapsed and data measured after the pipeline is collapsed to the controller 22, the collapse amount is displayed on a display screen through calculation of the controller 22, compared with the traditional collapsing device, the device has less manual intervention and fully automatic extrusion process, the accuracy of experimental data is greatly improved to at actual operation's in-process, the experimenter can make electromagnetism dish 12 circular telegram produce magnetic force through controller 22 according to experimental needs, thereby can adsorb stainless steel gas bellows, then servo motor 3 drives threaded rod 9 reversal, makes removal dish 7 remove to left side curb plate 2, thereby can simulate when pipeline internal pressure is too big, the inflation volume of stainless steel gas bellows.
Further, a penetrating first sliding groove 14 is formed in the right side of the left side plate 2, a first sliding block 4 is connected inside the first sliding groove 14 in a sliding manner, the right side of the servo motor 3 is fixedly connected with the left side of the first sliding block 4, a 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, a first electric telescopic rod 5 is fixed on the top of the left side plate 2, 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, a penetrating second sliding groove 17 is formed in the front surface of the rear plate 14, a second sliding block 18 is connected inside the second sliding groove 17 in a sliding manner, the rear end of a cross column 19 is fixedly connected with the front surface of the second sliding block 18, a second electric telescopic rod 16 is fixed on the top of the rear plate 14, 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 use process, when stainless steel gas bellows with different pipe diameters are placed on the bottom plate 1, the controller 22 can synchronously adjust the first electric telescopic rod 5 and the second electric telescopic rod 16 to synchronously move the first slider 4 and the second slider 18 up and down, so that the cross columns 19 and the threaded rod 9 can be adjusted to appropriate positions to extrude the pipe.
Further, the symmetry is fixed with pressure sensor 24 between connection pad 11 and the electromagnetic disk 12, pressure sensor 24 and controller 22 electric connection, in the use, can set up extruded maximum pressure on controller 22, at extruded in-process, pressure sensor 24 between connection pad 11 and the electromagnetic disk 12 can real-time supervision pressure when extrudeing stainless steel gas bellows, after pressure reaches predetermined pressure value, stop to extrude the pipeline, can make the experimenter know the amount of collapsing of pipeline under the pressure of difference, and can make the experimenter know the in-process that pressure gradually becomes big, the condition of collapsing of pipeline.
Furthermore, a limiting block 10 is fixed at the right end of the guide rod 8, so that the movable disk 7 is prevented from falling off the threaded rod 9.
Furthermore, the four corners of the lower surface of the bottom plate 1 are fixed with strong suction cups 26, so that the whole device can be firmly fixed on a table for use.
Further, the right side symmetry of back plate 14 is fixed with axle sleeve 20, it is connected with pivot 21 to rotate between two axle sleeves 20, the rear surface of back plate 14 is equipped with clipboard 27, clipboard 27's lateral wall is fixed with frame 15, frame 15's surface and pivot 21's fixed surface are connected, at the in-process of using, can rotate clipboard to one side, thereby can write the crumple value of different stainless steel gas bellows on the clipboard, conveniently demonstrate the explanation and demonstrate.
Further, a pen groove 28 has been seted up at the rear surface top of frame 15, and writing pen 23 has been seted up to the inside of pen groove 28, and the equal integrated into one piece in top and the bottom of pen groove 28 is fluted 29, makes things convenient for the experimenter directly to take out writing pen 23 from pen groove 28 and writes on clipboard 27.
Further, the top and the bottom of pivot 21 are located the inside of two axle sleeves 20 respectively, and the surface of pivot 21 laminates with the internal surface of axle sleeve 20 mutually, avoid when using, and clipboard 27 takes place the condition of rocking to through the frictional force between pivot 21 and the axle sleeve 20, can avoid writing the in-process, clipboard 27 takes place the pivoted condition easily.
In conclusion, the working process of the invention is as follows: when in use, the first electric telescopic rod 5 and the second electric telescopic rod 16 can be synchronously adjusted by the controller 22, so that the first slider 4 and the second slider 18 synchronously move up and down, the cross posts 19 and the threaded rod 9 can be adjusted to appropriate positions, then the stainless steel gas corrugated pipe is placed on the bottom plate 1 and sleeved on the cross posts 19, and the pipeline is in contact with the side plate 2 on the right side, then the threaded rod 9 is driven by the servo motor 3 to rotate, so that the movable disc 7 can be moved, and the stainless steel gas corrugated pipe is pressed by the connecting disc 11 and the electromagnetic disc 12 thereon, so that the pipeline is collapsed, the infrared distance measuring sensor 25 on the cross posts 19 feeds data measured before the pipeline is collapsed and data measured after the pipeline is collapsed back to the controller 22, the collapse amount is displayed on the display screen through calculation of the controller 22, and in the conventional collapsing device, the device manual intervention is less, and the extrusion process is full-automatic, has improved experimental data's accuracy greatly, and at actual operation's in-process, the experimenter can make electromagnetism dish 12 circular telegram produce magnetic force through controller 22 according to experimental needs, thereby can adsorb stainless steel gas bellows, then servo motor 3 drives threaded rod 9 reversal, make removal dish 7 remove to left side curb plate 2, thereby can simulate when pipeline internal pressure is too big, the inflation volume of stainless steel gas bellows.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 upper surface of the bottom plate (1) is fixedly provided with the side plates (2), the rear surface of the bottom plate (1) is fixedly provided with the rear plate (14), the right side of the left side plate (2) is provided with a threaded rod (9), the right side of the left side plate (2) is symmetrically provided with guide rods (8) relative to the threaded rod (9), the outer surface of the threaded rod (9) is in threaded connection with a movable disc (7), the two guide rods (8) penetrate through the movable disc (7), the right side of the movable disc (7) is positioned in front of and behind the threaded rod (9) and is fixedly provided with connecting rods (13), the right ends of the two connecting rods (13) are jointly fixed with connecting discs (11), the right side of the connecting discs (11) is provided with an electromagnetic disc (12), the left side of the left side plate (2) is provided with a servo motor (3), the left end of the threaded rod (9) is fixedly connected with the output end of the servo motor (3), the front surface of the rear plate (14) is provided with a cross column (19), an infrared distance measuring sensor (25) is fixed on the outer surface of the cross column (19) opposite to the electromagnetic disc (12), a controller (22) is fixed on the right side of the side plate (2) on the right side, and the controller (22) is electrically connected with the infrared distance measuring sensor (25), the servo motor (3) and the electromagnetic disc (12) respectively.
2. The device for the stainless steel gas corrugated pipe flattening experiment according to claim 1, is characterized in that: a penetrating first sliding groove (14) is formed in the right side of the left side plate (2), a first sliding block (4) is connected to the inside of the first sliding groove (14) in a sliding manner, 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), a first electric telescopic rod (5) is fixed to the top of the left side plate (2), 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), a penetrating second sliding groove (17) is formed in the front surface of the rear plate (14), a second sliding block (18) is connected to the inside of the second sliding groove (17) in a sliding manner, and the rear end of the cross column (19) is fixedly connected with the front surface of the second sliding block (18), and a second electric telescopic rod (16) is fixed at the top of the rear plate (14), and the bottom end of an output shaft of the second electric telescopic rod (16) is fixedly connected with the top of the second sliding block (18).
3. The device for the stainless steel gas corrugated pipe flattening experiment according to claim 1, is characterized in that: 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 device for the stainless steel gas corrugated pipe flattening experiment according to claim 1, is characterized in that: and a limiting block (10) is fixed at the right end of the guide rod (8).
5. The device for the stainless steel gas corrugated pipe flattening experiment according to claim 1, is characterized in that: powerful suckers (26) are fixed at four corners of the lower surface of the bottom plate (1).
6. The device for the stainless steel gas corrugated pipe flattening experiment according to claim 1, is characterized in that: the right side symmetry of backplate (14) is fixed with axle sleeve (20), two it is connected with pivot (21) to rotate between axle sleeve (20), the rear surface of backplate (14) is equipped with clipboard (27), the lateral wall of clipboard (27) is fixed with frame (15), the surface of frame (15) with the fixed surface of pivot (21) is connected.
7. The device for the stainless steel gas corrugated pipe flattening experiment according to claim 6, is characterized in that: a pen groove (28) is formed in the top of the rear surface of the frame (15), a writing pen (23) is formed in the pen groove (28), and a groove (29) is formed in the top and the bottom of the pen groove (28) in an integrated mode.
8. The device for the stainless steel gas corrugated pipe flattening experiment according to claim 7, is characterized in that: 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 each 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 true CN113484139A (en) | 2021-10-08 |
| CN113484139B CN113484139B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
|---|
| 谭羽非, 刘海军: "多层不锈钢波纹管热工性能的实验研究", 煤气与热力, no. 06, 25 June 2003 (2003-06-25) * |
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| CN113484139B (en) | 2024-03-26 |
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