CN216881191U - Bending device for stainless steel intercrystalline corrosion sample - Google Patents
Bending device for stainless steel intercrystalline corrosion sample Download PDFInfo
- Publication number
- CN216881191U CN216881191U CN202120371546.3U CN202120371546U CN216881191U CN 216881191 U CN216881191 U CN 216881191U CN 202120371546 U CN202120371546 U CN 202120371546U CN 216881191 U CN216881191 U CN 216881191U
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- pressure head
- base plate
- pressure
- stainless steel
- thrust
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- 238000005452 bending Methods 0.000 title claims abstract description 34
- 230000007797 corrosion Effects 0.000 title claims abstract description 26
- 238000005260 corrosion Methods 0.000 title claims abstract description 26
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 20
- 239000010935 stainless steel Substances 0.000 title claims abstract description 20
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- BQJTUDIVKSVBDU-UHFFFAOYSA-L copper;sulfuric acid;sulfate Chemical compound [Cu+2].OS(O)(=O)=O.[O-]S([O-])(=O)=O BQJTUDIVKSVBDU-UHFFFAOYSA-L 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model provides a stainless steel intercrystalline corrosion sample bending device which comprises an upper die, a lower die and an adjusting mechanism, wherein the upper die comprises an upper die base plate and two upper pressure heads which are arranged on the upper die base plate and are parallel to each other, the lower die comprises a lower die base plate and a lower pressure head which is arranged on the lower die base plate, the lower pressure head is positioned right below the position between the two upper pressure heads, the adjusting mechanism comprises fixing plates which are arranged on two sides of the upper die plate, a thrust threaded hole and a tension threaded hole which are arranged on the fixing plates, a sliding block pressure head which is arranged between the lower pressure head and the fixing plates, a thrust screw rod and a pressure screw rod which are arranged on the sliding block pressure head, the thrust screw rod and the pressure screw rod are respectively engaged with the thrust threaded hole and the tension threaded hole, and one surface of the sliding block pressure head, which faces the lower pressure head, is an inclined surface. The bending die has the advantages that the bending die can be formed at one time when bending an S-shaped sample, and the requirements of samples of different specifications can be met.
Description
Technical Field
The utility model relates to a bending device, in particular to a stainless steel intercrystalline corrosion sample bending device.
Background
A large number of austenitic stainless steel parts are applied to nuclear reactor equipment, boilers, pump valves and other equipment, and according to the requirements of material design, an intergranular corrosion test needs to be carried out on the austenitic stainless steel material to evaluate whether the austenitic stainless steel material has an intergranular corrosion tendency. The standard commonly used for the test is GB/T4334 ' test method for corrosion of metals and alloys between crystal stainless steel's corrosion between crystal grains ', ASTM A262 ' Standard method for detecting sensitivity of corrosion between crystal grains of austenitic stainless steel ' RCCM MC1000, etc., wherein the most commonly used method is bending test method after corrosion of sulfuric acid-copper sulfate. The sample after corrosion is bent into a U shape or an S shape according to various standard requirements, a bending device which is mostly adopted in the same industry at present is composed of a T-shaped upper die and a U-shaped lower die, the sample can be bent into the U shape by pressing down once, two detection surfaces are required to be bent once respectively when the S-shaped sample is bent, the surfaces need to be turned over between two times of bending, the positions need to be aligned for many times during actual operation, the positions which are not well controlled are easy to deviate, and the bending angle of the sample cannot meet the standard requirements.
SUMMERY OF THE UTILITY MODEL
In view of the defects of the conventional bending device, the utility model provides a stainless steel intergranular corrosion sample bending device which can realize the effects of one-step forming and meeting the requirements of samples with different specifications when an S-shaped sample is bent.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a stainless steel intercrystalline corrosion sample device that bends, stainless steel intercrystalline corrosion sample device that bends includes mould, lower mould and adjustment mechanism, it includes the last die bed board and sets up two last pressure heads that are parallel to each other on last die bed board to go up the mould, the lower mould includes lower die bed board and sets up the lower pressure head on lower die bed board, the pressure head is located under between two last pressure heads down, adjustment mechanism is including setting up the fixed plate in cope match-plate pattern both sides, setting up thrust screw hole and the pulling force screw hole on the fixed plate, setting up the slider pressure head between pressure head and fixed plate down, setting up thrust screw rod and the pressure screw rod on the slider pressure head, thrust screw rod and pressure screw rod sting with thrust screw hole and pulling force screw hole screw thread respectively, the one side of slider pressure head towards the lower pressure head is the inclined plane.
According to one aspect of the utility model, the upper die base plate and the lower die base plate are respectively provided with connecting threaded holes.
According to one aspect of the utility model, one end of the pressure screw is provided with a clamping groove, the bottom of the slide block pressure head is provided with a pin hole, a pin rod is arranged in the pin hole, and the pin rod is clamped in the clamping groove to fix the pressure screw.
According to one aspect of the utility model, the slider pressure head is provided with a threaded mounting hole, and the thrust screw is connected with the slider pressure head through the threaded mounting hole.
According to one aspect of the utility model, the outer end of the thrust screw is provided with a hexagon socket head, and the outer end of the pressure screw is provided with a rotary rod.
The implementation of the utility model has the advantages that:
the utility model provides a stainless steel intercrystalline corrosion sample bending device which comprises an upper die, a lower die and an adjusting mechanism, wherein the upper die comprises an upper die base plate and two upper pressure heads which are arranged on the upper die base plate and are parallel to each other, the lower die comprises a lower die base plate and a lower pressure head which is arranged on the lower die base plate, the lower pressure head is positioned right below the two upper pressure heads, the adjusting mechanism comprises fixing plates which are arranged on two sides of the upper die plate, a thrust threaded hole and a tension threaded hole which are arranged on the fixing plates, a slide block pressure head which is arranged between the lower pressure head and the fixing plates, a thrust screw rod and a pressure screw rod which are arranged on the slide block pressure head, the thrust screw rod and the pressure screw rod are respectively engaged with the thrust threaded hole and the tension threaded hole, and one surface of the slide block pressure head, which faces the lower pressure head, is an inclined plane. The bending die has the advantages that the bending die can be formed at one time when bending an S-shaped sample, and the requirements of samples of different specifications can be met.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is an exploded front view structural schematic diagram of a stainless steel intergranular corrosion sample bending device according to the present invention;
FIG. 2 is a schematic diagram of an explosion right-view structure of a stainless steel intergranular corrosion sample bending device according to the present invention;
fig. 3 is a schematic structural diagram of an explosion solid of the bending device for the stainless steel intergranular corrosion sample according to the present invention.
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, a bending device for a stainless steel intercrystalline corrosion sample comprises an upper die, a lower die and an adjusting mechanism, wherein the upper die comprises an upper die base plate 1 and two upper press heads 3 arranged on the upper die base plate 1 in parallel, the lower die comprises a lower die base plate 7 and a lower press head 8 arranged on the lower die base plate 7, the lower press head 8 is positioned right below the two upper press heads 3, the adjusting mechanism comprises fixing plates 2 arranged on two sides of the upper die plate, a thrust threaded hole 10 and a tension threaded hole 11 arranged on the fixing plates 2, a slide block press head 4 arranged between the lower press head 8 and the fixing plates 2, and a thrust screw 5 and a pressure screw 9 arranged on the slide block press head 4, the thrust screw 5 and the pressure screw 9 are respectively engaged with the thrust threaded hole 10 and the tension threaded hole 11, and one surface of the sliding block pressing head 4 facing the lower pressing head 8 is an inclined surface.
In this embodiment, the upper mold base plate 1 and the lower mold base plate 7 are respectively provided with a connection threaded hole 12.
In this embodiment, one end of the pressure screw 9 is provided with a clamping groove, the bottom of the slider pressure head is provided with a pin hole, a pin rod 6 is arranged in the pin hole, and the pin rod 6 is clamped into the clamping groove to fix the pressure screw 9.
In this embodiment, a threaded mounting hole is formed in the slider pressing head 4, and the thrust screw 5 is connected with the slider pressing head 4 through the threaded mounting hole.
In this embodiment, the outer end of the thrust screw 5 is provided with a hexagon socket head, and the outer end of the pressure screw 9 is provided with a rotating rod.
In the actual experiment process, before the sample is bent, the distance between the lower pressure head and the pressure head slide block is adjusted according to the length of the sample, the upper die and the lower die are fixed on the upper working platform and the lower working platform of the press machine, the position of the sample is adjusted, and the press machine is pressed down in place once to realize the bending of the S-shaped sample. The bending device can also bend a conventional U-shaped sample, and at the moment, the bending of the U-shaped sample can be finished by only adjusting the pressure head slide block of the lower die to the position close to the edge and utilizing the pressure heads of the upper die and the lower die.
The implementation of the utility model has the advantages that:
the utility model provides a stainless steel intercrystalline corrosion sample bending device which comprises an upper die, a lower die and an adjusting mechanism, wherein the upper die comprises an upper die base plate and two upper pressure heads which are arranged on the upper die base plate and are parallel to each other, the lower die comprises a lower die base plate and a lower pressure head which is arranged on the lower die base plate, the lower pressure head is positioned right below the two upper pressure heads, the adjusting mechanism comprises fixing plates which are arranged on two sides of the upper die plate, a thrust threaded hole and a tension threaded hole which are arranged on the fixing plates, a slide block pressure head which is arranged between the lower pressure head and the fixing plates, a thrust screw rod and a pressure screw rod which are arranged on the slide block pressure head, the thrust screw rod and the pressure screw rod are respectively engaged with the thrust threaded hole and the tension threaded hole, and one surface of the slide block pressure head, which faces the lower pressure head, is an inclined plane. The bending die has the advantages that the bending die can be formed at one time when bending an S-shaped sample, and the requirements of samples of different specifications can be met.
The adjustment position makes pressure head slider parallel with fixed pressure head, screws up pull bolt and thrust bolt simultaneously, can realize the fixed of pressure head slider.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (5)
1. The utility model provides a stainless steel intercrystalline corrosion sample device that bends which characterized in that: the stainless steel intercrystalline corrosion sample bending device comprises an upper die, a lower die and an adjusting mechanism, wherein the upper die comprises an upper die base plate and two upper pressure heads which are parallel to each other and are arranged on the upper die base plate, the lower die comprises a lower die base plate and a lower pressure head arranged on the lower die base plate, the lower pressure heads are arranged under the two upper pressure heads, the adjusting mechanism comprises fixing plates arranged on two sides of the upper die plate, thrust threaded holes and tension threaded holes arranged on the fixing plates, a sliding block pressure head arranged between the lower pressure head and the fixing plates, and thrust screw rods and pressure screw rods arranged on the sliding block pressure head, the thrust screw rods and the pressure screw rods are respectively meshed with the thrust threaded holes and the tension threaded holes, and one surface of the sliding block pressure head facing the lower pressure head is an inclined surface.
2. The stainless steel intergranular corrosion sample bending device according to claim 1, characterized in that: and the upper die base plate and the lower die base plate are respectively provided with a connecting threaded hole.
3. The stainless steel intergranular corrosion sample bending device according to claim 2, characterized in that: one end of the pressure screw is provided with a clamping groove, the bottom of the sliding block pressure head is provided with a pin hole, a pin rod is arranged in the pin hole, and the pin rod is clamped into the clamping groove to fix the pressure screw.
4. The stainless steel intergranular corrosion sample bending device according to claim 3, characterized in that: the sliding block pressure head is provided with a threaded mounting hole, and the thrust screw rod is connected with the sliding block pressure head through the threaded mounting hole.
5. The stainless steel intergranular corrosion sample bending device according to claim 4, wherein: the outer end of the thrust screw rod is provided with an inner hexagonal head, and the outer end of the pressure screw rod is provided with a rotary rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120371546.3U CN216881191U (en) | 2021-02-17 | 2021-02-17 | Bending device for stainless steel intercrystalline corrosion sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120371546.3U CN216881191U (en) | 2021-02-17 | 2021-02-17 | Bending device for stainless steel intercrystalline corrosion sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216881191U true CN216881191U (en) | 2022-07-05 |
Family
ID=82178542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120371546.3U Active CN216881191U (en) | 2021-02-17 | 2021-02-17 | Bending device for stainless steel intercrystalline corrosion sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216881191U (en) |
-
2021
- 2021-02-17 CN CN202120371546.3U patent/CN216881191U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201109 Shanghai city Minhang District humin Road No. 3082 Patentee after: Shanghai Xinmin New Energy Technology Co.,Ltd. Address before: 201109 Shanghai city Minhang District humin Road No. 3082 Patentee before: SHANGHAI XINMIN HEAVY FORGING CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |