CN114216760B - Fixing device for galvanized sheet deformation test - Google Patents
Fixing device for galvanized sheet deformation test Download PDFInfo
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- CN114216760B CN114216760B CN202111297347.3A CN202111297347A CN114216760B CN 114216760 B CN114216760 B CN 114216760B CN 202111297347 A CN202111297347 A CN 202111297347A CN 114216760 B CN114216760 B CN 114216760B
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- Prior art keywords
- galvanized sheet
- fixedly connected
- strip
- operation panel
- bar spout
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- 238000012360 testing method Methods 0.000 title claims abstract description 37
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 26
- 238000000034 method Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 238000009864 tensile test Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- G01N3/02—Details
- G01N3/04—Chucks
-
- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
-
- 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
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Landscapes
- 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 Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a fixing device for a galvanized sheet deformation test, which belongs to the technical field of fixing of sheet deformation tests and comprises an operation table, wherein two sides of the top of the operation table are respectively provided with a first completely penetrating strip-shaped chute, one side of the first strip-shaped chute, which is far away from each other, is respectively provided with a second strip-shaped chute, two ends of the first strip-shaped chute are respectively connected with a support rod in a sliding manner, the third strip-shaped chute is internally provided with a third strip-shaped chute, and the third strip-shaped chute is internally connected with a first slide block.
Description
Technical Field
The invention relates to the technical field of fixing of plate deformation tests, in particular to a fixing device for a galvanized plate deformation test.
Background
The galvanized sheet is a steel sheet plated with a layer of zinc on the surface. Galvanization is a frequently used economical and effective rust-proofing method, and about half of the world zinc yield is used in this process. Galvanized steel sheets are produced by coating a layer of zinc metal on the surface of a steel sheet to prevent the surface of the steel sheet from corrosion and prolong the service life of the steel sheet, and the galvanized steel sheet is called a galvanized sheet.
The galvanized sheet is generally subjected to tensile test and bending test after galvanization. In bending test, one side of the galvanized sheet is unidirectionally stretched, the other side is unidirectionally compressed, and the maximum positive stress appears on the surface of the galvanized sheet and is sensitive to surface defects, so that bending test is often used for checking surface defects of materials such as carburization or quality of a surface quenching layer. In addition, for brittle materials, because the brittle materials are sensitive to eccentricity, the mechanical property indexes of the brittle materials are not easy to accurately measure by using a tensile test, so that bending strength of the brittle materials is measured by using a bending test box, and deformation capacity of the brittle materials is relatively compared. The existing bending test equipment cannot be suitable for testing galvanized plates with various sizes, the fixing device is very troublesome when fixing the galvanized plates, the distance between the connecting positions of the galvanized plates and the fixing device can be changed along with the bending degree during bending test, the conventional fixing device easily causes deformation when the galvanized plates are contacted with the fixing device, and finally the galvanized plates or the galvanized layers are damaged, so that the resource waste is caused.
Therefore, a fixing device for testing deformation of a galvanized sheet body is provided by a person skilled in the art to solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide a fixing device for testing deformation of a galvanized plate body, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a galvanized sheet plate body deformation test is with fixing device, includes the operation panel, bar spout first that runs through completely has all been seted up to operation panel top both sides, bar spout second has all been seted up to one side that bar spout first kept away from each other, the equal sliding connection in both ends of bar spout first has the bracing piece, bar spout third has been seted up in the bracing piece, sliding connection has slider first in the bar spout third, slider first side fixedly connected with stop bolt, stop bolt threaded connection has stop nut, stop nut laminating has the slip cap, notch second that runs through from top to bottom has been seted up to the slip cap, notch second cover is established on the bracing piece, be provided with slider second between the slip cap, notch first has all been seted up to the slider second, be provided with connecting rod first in the notch, equal sliding connection in connecting rod both ends is on the slip cap, the spheroid down, the thread bush is equipped with galvanized sheet, thread bush threaded connection has the screw rod, the link frame threaded connection has the slider, link frame is at two fixed connection bottom at the support, support leg second.
As a further scheme of the invention: the connecting frame is fixedly connected with a spring, the spring is fixedly connected with an upper ball body, the spring and the upper ball body are all sleeved on a screw rod, the upper ball body is conveniently pushed by the spring to be contacted with a galvanized plate, and shaking is avoided when the galvanized plate is used.
As still further aspects of the invention: the second strip-shaped sliding groove is formed in the side edge of the operating platform, a fixing bolt is connected to the second strip-shaped sliding groove in a sliding mode, one end of the fixing bolt is fixedly connected to the supporting rod, a fixing nut is connected to the other end of the fixing bolt in a threaded mode, the fixing nut is attached to the side edge of the operating platform, the supporting rod is fixed through the fixing bolt and the fixing nut, and tensile testing is conducted after bending testing is facilitated.
As still further aspects of the invention: the second inner wall of bar spout is smooth surface, be provided with the gasket between fixation nut and the operation panel, improve the friction between fixation nut and the operation panel, avoid the use, the bracing piece to appear becoming flexible.
As still further aspects of the invention: every equal fixedly connected with of bracing piece is spacing piece one, two spacing piece one laminate respectively in the operation panel upper and lower both sides, in the use, increase the area of force of bracing piece, avoid the bracing piece slope, cause the experimental result to have the error, perhaps cause equipment to damage.
As still further aspects of the invention: one side of the limiting piece, which is close to the operation table, is polished smoothly, and the inner wall of the strip-shaped chute and the surface of the support rod are smooth surfaces, so that the support rod can slide on the operation table conveniently, and the abrasion of the support rod in the use process is reduced.
As still further aspects of the invention: the one end sliding connection that the threaded sleeve was kept away from to the screw rod has the connecting rod two, the equal fixedly connected with spacing piece two in connecting rod two both ends avoids connecting rod two to break away from the screw rod to and conveniently rotate the screw rod through connecting rod two.
As still further aspects of the invention: rubber pads are arranged on the surfaces of the lower ball body, the threaded sleeve and the upper ball body, so that the damage degree of the equipment to the galvanized plate during bending test of the galvanized plate is reduced.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the through support rod slides in the strip-shaped sliding groove I on the operation table, the support rod drives the connecting rod I to move through the sliding sleeve, the connecting rod I drives the slide block II to move, the slide block II drives the slide rod to stop sliding when the distance between the threaded sleeve and the through holes at two ends of the galvanized sheet is the same, then the slide block II drives the slide rod to move with the threaded sleeve, when the distance between the threaded sleeve and the through holes at two sides of the galvanized sheet is the same, the slide block II drives the screw rod to rotate through the connecting rod II, the screw rod is connected with the threaded sleeve, the spring pushes the upper sphere, and the upper sphere pushes the galvanized sheet between the lower spheres, so that the problem that the conventional bending test equipment cannot be suitable for testing of galvanized sheets with various sizes is solved, and the galvanized sheet is rapidly fixed.
2. According to the bending test device, the sliding sleeve is slid on the supporting rod to the designated height through the sliding sleeve, the limiting nut is screwed, the limiting nut drives the first sliding block to be attached to the supporting rod through the limiting bolt, the sliding sleeve is fixed, and the heights of the sliding sleeve and the operating table are adjusted so as to be convenient for the bending degree of the bending test.
3. According to the invention, the sliding block II is pulled by the threaded sleeve and the lower ball body to slide on the connecting rod I, the supporting rod I is pulled by the sliding sleeve to slide in the strip-shaped sliding groove I, the change of the distance between each corner of the galvanized plate in the bending process is automatically adjusted, and the problems that the galvanized plate is easy to deform due to the contact of the galvanized plate with the fixing device in the traditional fixing device and finally the galvanized plate or the galvanized layer is damaged and resources are wasted due to the matching of the upper ball body and the lower ball body are solved.
4. According to the invention, the support rod is fixed in the first strip-shaped chute on the operating platform through the fixing nut and the fixing bolt on one side, the support rod on the other side is moved, a tension test can be performed, and in addition, the distance between the support rods can be driven by sliding the fixing bolt in the second strip-shaped chute, so that the invention can be suitable for tension tests of galvanized plates with various lengths.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1A;
FIG. 3 is a schematic illustration of one connection of the connecting rod according to the present invention;
FIG. 4 is a schematic view of the connection of the support rods according to the present invention;
FIG. 5 is a schematic view of the connection at the sliding sleeve according to the present invention;
FIG. 6 is a schematic diagram of two connection points of the slider according to the present invention.
In the figure: 1. an operation table; 2. a first strip-shaped chute; 3. a second strip-shaped chute; 4. a support rod; 5. a first limiting piece; 6. a fixing bolt; 7. a fixing nut; 8. a strip-shaped chute III; 9. a first sliding block; 10. a limit bolt; 11. a limit nut; 12. a sliding sleeve; 13. a first connecting rod; 14. a second slide block; 15. a lower sphere; 16. a thread sleeve; 17. a screw; 18. a connecting frame; 19. a spring; 20. an upper sphere; 21. a second connecting rod; 22. a second limiting piece; 23. support legs; 24. galvanized sheet material; 25. a notch I; 26. and a notch II.
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.
Referring to fig. 1-6, in an embodiment of the invention, a fixing device for testing deformation of a galvanized sheet body comprises an operation table 1, wherein two sides of the top of the operation table 1 are respectively provided with a first completely-penetrating strip-shaped chute 2, one sides of the first mutually-distant strip-shaped chute 2 are respectively provided with a second strip-shaped chute 3, two ends of the first strip-shaped chute 2 are respectively and slidably connected with a support rod 4, a third strip-shaped chute 8 is arranged in the support rod 4, a first slide block 9 is slidably connected in the third strip-shaped chute 8, a limit bolt 10 is fixedly connected with a limit bolt 10 on the side edge of the first slide block 9, the limit bolt 10 is in threaded connection with a limit nut 11, the limit nut 11 is attached to a slide sleeve 12, a second slide sleeve 12 is provided with a notch 26 which penetrates vertically, the second notch 26 is sleeved on the support rod 4, a second slide block 14 is arranged between the slide sleeves 12, the slide blocks 14 are respectively provided with a notch 25, a first connecting rod 13 is arranged in the notch 25, two ends of the connecting rod 13 are respectively fixedly connected to the slide sleeve 12, a lower ball 15 is fixedly connected to the top of the slide block 14, a threaded sleeve 16 is fixedly connected to the lower ball 15, a threaded sleeve 16 is sleeved on the threaded sleeve 16, a galvanized sheet material 24 is fixedly connected to the threaded sleeve 17, a threaded frame 18 is fixedly connected to the bottom of the support rod 18, and a threaded frame 18 is fixedly connected to the bottom of the slide frame 18. According to the invention, through sliding the sliding block II 14 on the connecting rod I13 and sliding the supporting rod 4 in the strip-shaped chute I2 on the operating platform 1, the distance between the threaded sleeves 16 is adjusted, so that the galvanized sheet 24 is rapidly fixed through the screw 17 and the threaded sleeves 16 by using bending tests of the galvanized sheet 24 with various sizes, and during bending experiments, the supporting rod 4 slides in the strip-shaped chute I2, the distance between the fixed galvanized sheet 24 and the fixed position in the bending process is adjusted, and deformation or damage of the connecting part of the galvanized sheet 24 and the fixing device in the experimental process is avoided.
The connecting frame 18 is fixedly connected with a spring 19, the spring 19 is fixedly connected with an upper sphere 20, the spring 19 and the upper sphere 20 are sleeved on the screw 17, the upper sphere 20 is conveniently pushed by the spring 19 to be in contact with the galvanized sheet 24, and shaking of the galvanized sheet 24 during use is avoided; the second strip-shaped sliding groove 3 is formed in the side edge of the operating platform 1, the second strip-shaped sliding groove 3 is connected with the fixing bolt 6 in a sliding mode, one end of the fixing bolt 6 is fixedly connected to the supporting rod 4, the other end of the fixing bolt 6 is connected with the fixing nut 7 in a threaded mode, the fixing nut 7 is attached to the side edge of the operating platform 1, the supporting rod 4 is fixed through the fixing bolt 6 and the fixing nut 7, and tensile testing is conducted after bending testing is facilitated; the inner wall of the second strip-shaped chute 3 is a smooth surface, a gasket is arranged between the fixing nut 7 and the operation table 1, friction between the fixing nut 7 and the operation table 1 is improved, and the support rod 4 is prevented from loosening in the use process; each supporting rod 4 is fixedly connected with two first limiting sheets 5, the two first limiting sheets 5 are respectively attached to the upper side and the lower side of the operating table 1, and in the using process, the stressed area of the supporting rod 4 is increased, and the supporting rod 4 is prevented from tilting, so that an experiment result is error or equipment is damaged; the side, close to the operation table 1, of the first limiting piece 5 is polished smoothly, and the inner wall of the first strip-shaped chute 2 and the surface of the support rod 4 are smooth surfaces, so that the support rod 4 can conveniently slide on the operation table 1, and abrasion of the support rod 4 in the use process is reduced; one end of the screw rod 17 far away from the thread bush 16 is slidably connected with a second connecting rod 21, both ends of the second connecting rod 21 are fixedly connected with a second limiting piece 22, the second connecting rod 21 is prevented from being separated from the screw rod 17, and the screw rod 17 is convenient to rotate through the second connecting rod 21; rubber pads are arranged on the surfaces of the lower ball 15, the threaded sleeve 16 and the upper ball 20, so that the damage degree of equipment to the galvanized sheet 24 during bending test of the galvanized sheet 24 is reduced.
The working principle of the invention is as follows:
when the device is used, through holes with the same size are formed in four corners of a galvanized sheet 24, the support rod 4 slides in the first strip-shaped chute 2 on the operating platform 1, the support rod 4 drives the first connecting rod 13 to move through the sliding sleeve 12, the first connecting rod 13 drives the second sliding block 14 to move, the second sliding block 14 moves through the lower ball 15 and the threaded sleeve 16, when the distance between the threaded sleeve 16 and the through holes at two ends of the galvanized sheet 24 is the same, the sliding support rod 4 is stopped, then the second sliding block 14 drives the lower ball 15 and the threaded sleeve 16 to move, when the distance between the threaded sleeve 16 and the through holes at two sides of the galvanized sheet 24 is the same, the sliding block 14 stops to drive the threaded sleeve 16 to pass through the through holes on the galvanized sheet 24, the second connecting rod 21 drives the screw 17 to rotate, the screw 17 is connected with the threaded sleeve 16, the spring 19 pushes the upper ball 20 to push the galvanized sheet 24 between the lower balls 15, and the problem that the conventional bending test equipment cannot be suitable for testing of the galvanized sheet 24 with various sizes is solved.
Before the bending test, the sliding sleeve 12 slides on the support rod 4 to a specified height, the limit nut 11 is screwed, the limit nut 11 drives the first sliding block 9 to be attached to the support rod 4 through the limit bolt 10, the sliding sleeve 12 is fixed, and the heights of the sliding sleeve 12 and the operating table 1 are adjusted so as to be convenient for adapting to the bending degree of the bending test; during bending test, after the galvanized sheet 24 is extruded by external force, the second slide block 14 is pulled by the threaded sleeve 16 and the lower ball 15 to slide on the first connecting rod 13, the first connecting rod 13 is pulled by the sliding sleeve 12 to slide the first supporting rod 4, the supporting rod 4 is pulled by the pulling force to slide in the first bar-shaped sliding groove 2, the change of the distance between the corners of the galvanized sheet 24 is automatically adjusted in the bending process, and under the cooperation of the upper ball 20 and the lower ball 15, the problems that the galvanized sheet 24 is easily deformed due to the contact with the fixing device by the traditional fixing device, the galvanized sheet or the galvanized layer is finally damaged, and the resource waste is caused are solved.
In addition, after the galvanized sheet 24 is galvanized, a tensile test is required, the support rod 4 is fixed in the first strip-shaped chute 2 on the operating platform 1 through the fixing nut 7 and the fixing bolt 6 on one side, the support rod 4 on the other side is moved, the tensile test can be performed, in addition, the distance between the support rods 4 can be driven by sliding the fixing bolt 6 in the second strip-shaped chute 3, and the galvanized sheet 24 with various lengths can be suitable for the tensile test. What is not described in detail in this specification is prior art known to those skilled in the art.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. Fixing device is used in galvanized sheet body deformation test, including operation panel (1), its characterized in that: the utility model discloses a zinc plating device, including operation panel (1), bar spout one (2) that runs through completely are all offered to operation panel (1) top both sides, bar spout two (3) have all been offered to one side that bar spout one (2) kept away from each other, the equal sliding connection in both ends of bar spout one (2) has bracing piece (4), bar spout three (8) have been offered to bracing piece (4), sliding connection has slider one (9) in bar spout three (8), slider one (9) side fixedly connected with spacing bolt (10), spacing bolt (10) threaded connection has spacing nut (11), spacing nut (11) laminating has slip cap (12), notch two (26) that run through from top to bottom have been offered to slip cap (12), notch two (26) cover are established on bracing piece (4), be provided with slider two (14) between slip cap (12), notch one (25) have been offered in the notch one (25), connecting rod one (13) are connected with slider one (12) in the sliding connection, ball (16) are all fixed on slip cap (12), ball (16) are connected with one another in a fixed connection under (16), threaded sleeve (16) threaded connection has screw rod (17), screw rod (17) threaded connection has link (18), link (18) fixed connection is on slider two (14), operation panel (1) bottom fixedly connected with supporting leg (23), link (18) fixedly connected with spring (19), spring (19) fixedly connected with goes up spheroid (20), spring (19) are all overlapped with last spheroid (20) and are established on screw rod (17), bar spout two (3) have been seted up to operation panel (1) side, sliding connection has fixing bolt (6) in bar spout two (3), fixing bolt (6) one end fixed connection is on bracing piece (4), fixing nut (7) laminating is in operation panel (1) side, every bracing piece (4) all fixedly connected with two spacing pieces one (5), two spacing piece one (5) laminate respectively on operation panel (1) down, one side of sliding connection has fixing bolt (6) one end fixed nut (6) other end threaded connection on bracing piece (7), one side of each side of sliding surface (4) is smooth with one side of the smooth surface (2).
2. The fixing device for deformation test of a galvanized sheet body according to claim 1, characterized in that: the inner walls of the second strip-shaped sliding grooves (3) are smooth surfaces, and gaskets are arranged between the fixing nuts (7) and the operating table (1).
3. The fixing device for deformation test of a galvanized sheet body according to claim 1, characterized in that: one end of the screw rod (17) far away from the thread bush (16) is connected with a second connecting rod (21) in a sliding mode, and two ends of the second connecting rod (21) are fixedly connected with a second limiting plate (22).
4. The fixing device for deformation test of a galvanized sheet body according to claim 1, characterized in that: rubber pads are arranged on the surfaces of the lower ball body (15), the threaded sleeve (16) and the upper ball body (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111297347.3A CN114216760B (en) | 2021-11-04 | 2021-11-04 | Fixing device for galvanized sheet deformation test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111297347.3A CN114216760B (en) | 2021-11-04 | 2021-11-04 | Fixing device for galvanized sheet deformation test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114216760A CN114216760A (en) | 2022-03-22 |
| CN114216760B true CN114216760B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111297347.3A Active CN114216760B (en) | 2021-11-04 | 2021-11-04 | Fixing device for galvanized sheet deformation test |
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| CN (1) | CN114216760B (en) |
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Inventor after: Hu Zhenhua Inventor after: Guo Zhaoming Inventor after: Gu Cairu Inventor before: Hu Zhenhua Inventor before: Guo Zhaoming Inventor before: Guo Cairu |