CN208432517U - Atmospheric corrosion of metal materials test fixture - Google Patents
Atmospheric corrosion of metal materials test fixture Download PDFInfo
- Publication number
- CN208432517U CN208432517U CN201821226905.0U CN201821226905U CN208432517U CN 208432517 U CN208432517 U CN 208432517U CN 201821226905 U CN201821226905 U CN 201821226905U CN 208432517 U CN208432517 U CN 208432517U
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- Prior art keywords
- atmospheric corrosion
- electro
- metal materials
- test fixture
- insulating rubber
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- 238000012360 testing method Methods 0.000 title claims abstract description 74
- 230000007797 corrosion Effects 0.000 title claims abstract description 41
- 238000005260 corrosion Methods 0.000 title claims abstract description 41
- 239000007769 metal material Substances 0.000 title claims abstract description 35
- 239000011148 porous material Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 abstract description 12
- 229910052751 metal Inorganic materials 0.000 abstract description 12
- 230000003628 erosive effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 150000002739 metals Chemical class 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
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model provides a kind of atmospheric corrosion of metal materials test fixture, comprising: chuck body, it has the axial passage that can place test specimen, there are two connecting plates for connection on the outer wall of the chuck body, two connecting plates are located at the two sides of the axial passage, connecting hole is offered in the chuck body, the connecting hole is connected with the axial passage；Bar is adjusted, the connecting hole can be movably arranged in, the end of the adjustment bar is connected with electro-insulating rubber gasket, and the electro-insulating rubber gasket can be abutted with the test specimen.The atmospheric corrosion of metal materials test fixture of the utility model, can sandwiched tubulose or rodlike metal parts, to carry out atmospheric corrosion resistance test.
Description
Technical field
The utility model relates to atmospheric corrosion of metal materials experimental technique field more particularly to a kind of metal material atmosphere are rotten
Test fixture is used in erosion.
Background technique
The atmospheric corrosion of metal material is that the important of failure damage occurs for the metal parts being on active service in the natural environment for a long time
Reason.The metal material for selecting atmospheric corrosion resistance excellent can effectively improve the environmental suitability ability of metal parts, mention
The service life of high equipment, therefore, the resistance to atmosphere that the design and use unit of metal structures all pays special attention to metal material are rotten
This performance indicator of erosion ability.
In order to evaluate the atmospheric corrosion resistance of metal material, need to carry out atmospheric corrosion examination when opening wide or covering
It tests.The atmospheric corrosion carried out at present is substantially the atmospheric corrosion resistance using plane plate specimen evaluation metal material, seldom selects
It is tested with tubulose and rodlike test button.Standard GB/T/T 14165 " metal and the examination of alloy atmospheric corrosion test scene
The general requirement tested " in point out, the samples such as sample in irregular shape, such as bolt, tubing, bar, can also carry out atmosphere corruption
Corrosion test.It is tubulose or rodlike metal parts, such as bus, conducting rod, transmission pressure for actual use shape, selects it
The sample of shape is actually used to evaluate the available corrosion data closer to during engineer application of its corrosion resisting property, to large size
Metal structures, the selection of metal equipment and exploration different regions atmosphere environment corrosion feature etc. more have directive significance.
Tubulose or rodlike metal parts need corresponding test fixture and are consolidated when carrying out atmospheric corrosion test
It is scheduled on test stand, and forms insulation between sample and other metals.Traditional atmospheric corrosion resistance test fixture cannot be used for pipe
The clamping of shape or rodlike metal parts.
Utility model content
The purpose of the utility model is to provide a kind of atmospheric corrosion of metal materials test fixtures, being capable of sandwiched tubulose or stick
The metal parts of shape, to carry out atmospheric corrosion resistance test.
Following technical proposal can be used to realize in the above-mentioned purpose of the utility model:
The utility model provides a kind of atmospheric corrosion of metal materials test fixture, comprising:
Chuck body has the axial passage that can place test specimen, is connected on the outer wall of the chuck body
Two connecting plates, two connecting plates are located at the two sides of the axial passage, connection are offered in the chuck body
Hole, the connecting hole are connected with the axial passage；
Bar is adjusted, the connecting hole can be movably arranged in, the end of the adjustment bar is connected with electro-insulating rubber gasket,
The electro-insulating rubber gasket can be abutted with the test specimen.
In the embodiments of the present invention, the inner wall of the chuck body is equipped with electro-insulating rubber layer.
In the embodiments of the present invention, the end of the adjustment bar is equipped with screw rod, is threadedly coupled on the screw rod
There is orbicule, the outer surface of the electro-insulating rubber gasket is equipped with spherical pore, and the adjustment bar is inserted into institute by the orbicule
It states in spherical pore, and is connected to the electro-insulating rubber gasket.
In the embodiments of the present invention, connection bolt is respectively equipped on two connecting plates.
In the embodiments of the present invention, the inner surface of the electro-insulating rubber gasket be can with outside the test specimen
The cambered surface of surface engagement.
In the embodiments of the present invention, the connecting hole is threaded hole, and the adjustment bar has external thread section, institute
It states adjustment bar and is threadedly connected to the connecting hole.
The characteristics of atmospheric corrosion of metal materials of the utility model test fixture and advantage are: the metal material atmosphere is rotten
Erosion test fixture can make to adjust according to the outer diameter of tubulose and rodlike test specimen by adjusting the height of adjustment bar
Electro-insulating rubber layer in the electro-insulating rubber gasket and chuck body of bar bottom fixes test specimen.The utility model can be according to not
With the tubulose or rodlike test specimen of size range, carrys out the clamping outer diameter of flexible modulation chuck body, improve test fixture
Applicability.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the front sectional view of the atmospheric corrosion of metal materials test fixture of the utility model.
Fig. 2 is the front sectional view of the chuck body of the atmospheric corrosion of metal materials test fixture of the utility model.
Fig. 3 is the top view of the chuck body of the atmospheric corrosion of metal materials test fixture of the utility model.
Fig. 4 is the main view of the adjustment bar of the atmospheric corrosion of metal materials test fixture of the utility model.
Fig. 5 is the use state top view of the atmospheric corrosion of metal materials test fixture of the utility model.
Drawing reference numeral explanation: 1, chuck body；11, axial passage；12, connecting plate；121, bolt is connected；122, nut；
123, threaded hole；13, connecting hole；14, electro-insulating rubber layer；2, bar is adjusted；21, electro-insulating rubber gasket；211, spherical pore；212, arc
Face；22, screw rod；23, orbicule；3, test specimen；4, test stand frame；41, sliding slot；5, sealant 10, metal material atmosphere
Test fixture is used in corrosion
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figures 1 to 4, the utility model provides a kind of atmospheric corrosion of metal materials test fixture, including fixture
Ontology 1 and adjustment bar 2, in which: chuck body 1 has the axial passage 11 that can place test specimen 3, the chuck body 1
Outer wall on connection there are two connecting plate 12, two connecting plates 12 are located at the two sides of the axial passage 11, described
Connecting hole 13 is offered in chuck body 1, the connecting hole 13 is connected with the axial passage 11；Adjusting bar 2 can be movably
It is arranged in the connecting hole 13, the end of the adjustment bar 2 is connected with electro-insulating rubber gasket 21,21 energy of electro-insulating rubber gasket
It is abutted with the test specimen 3.
Specifically, which is used for sandwiched tubulose or rodlike test specimen 3 with test fixture.The folder
Tool ontology 1 is made of stainless steel material, is substantially in cylinder barrel shaped, and it is circular axial passage which, which has section,
11, to facilitate clamping and/or accommodate tubulose or rodlike test specimen 3；Certainly, in other embodiments, the chuck body 1
Outer profile may be designed as rectangular-shape or obform body shape etc., herein with no restrictions, as long as the axial passage 11 of the chuck body 1
Section be circle.In the present embodiment, the connecting hole being connected with axial passage 11 is equipped in the chuck body 1
13, which is threaded hole, is provided with the top of chuck body 1.
Further, in the present invention, the inner wall of the chuck body 1 is equipped with electro-insulating rubber layer 14.Except fixture sheet
Outside the inner wall around connecting hole 13 on body 1, the electro-insulating rubber layer 14 is equipped on remaining inner wall of the chuck body 1.This is absolutely
Edge rubber layer 14 influences examination for preventing chuck body 1 from directly contacting with the tubulose of metal material or rodlike test specimen 3
Test result.
The connecting plate 12 is made of stainless steel material, and the outer wall for being connected to chuck body 1 is respectively welded in two connecting plates 12
On, and set up separately in the two sides of axial passage 11.In the present embodiment, two connecting plates 12 are diametrically arranged, and in two companies
Threaded hole 123 is offered on fishplate bar 12 respectively, connection bolt 121 is equipped in the threaded hole.
As shown in figure 4, adjustment bar 2 is substantially rod-shaped in cylinder, with external thread section, so as to the connection with chuck body 1
Hole 13 is threadedly coupled, and the end of adjustment bar 2 is connected with electro-insulating rubber gasket 21.In the present embodiment, the end of the adjustment bar 2 is set
There is screw rod 22, orbicule 23 is threaded on screw rod 22, which can be steel ball, the appearance of the electro-insulating rubber gasket 21
Face is equipped with spherical pore 211, and the diameter of the spherical pore 211 is slightly larger than the outer diameter of orbicule 23, which passes through orbicule 23
It is inserted into spherical pore 211, and is connected to electro-insulating rubber gasket 21.In the present embodiment, the inner surface of the electro-insulating rubber gasket 21
For the cambered surface 212 that can cooperate with 3 outer surface of test specimen.The electro-insulating rubber gasket 21 is for preventing adjustment bar 2 and metal material
Tubulose or rodlike test specimen 3 directly contact, and test result is had an impact.The lower end of screw rod 22 and orbicule 23
Internal thread hole guarantees that screw rod 22 is being tightened in release process, which does not rotate using being threadedly coupled.
When in use, as shown in figure 5, being separately connected a metal material at the both ends of tubulose or rodlike test specimen 3
Atmospheric corrosion test fixture 10, according to the tubulose of various outer diameter or rodlike test specimen 3, vertically up and down adjustment is each
The height of the adjustment bar 2 of atmospheric corrosion of metal materials test fixture 10, test specimen 3 is fixed in chuck body 1,
In the present embodiment, after the height adjustment to suitable position for adjusting bar 2, it need to use sealant 5 that will adjust at bar 2 and connecting hole 13
Clearance seal prevents from occurring to corrode between adjustment bar 2 and 13 screw thread of connecting hole that test specimen 3 is caused to be not fixed firmly and be detached from；Separately
Outside, it according to the length of tubulose or rodlike test specimen 3, adjusts between two atmospheric corrosion of metal materials test fixtures 10
Distance；Later, by band, there are two the tubuloses of atmospheric corrosion of metal materials test fixture 10 or rodlike test specimen 3 to be placed on
On test stand frame 4, the connection bolt 121 on connecting plate 12 is inserted into the sliding slot 41 of test stand frame 4, and pass through nut
122 is fixed.
The atmospheric corrosion of metal materials test fixture of the utility model, according to the outer of tubulose and rodlike test specimen 3
Diameter size chooses the appropriate test fixture of size, by adjusting the height of adjustment bar 2, makes the electro-insulating rubber pad for adjusting 2 bottom of bar
Electro-insulating rubber layer 14 in piece 21 and chuck body 1 is fixed by test specimen 3.The utility model can be according to different size ranges
Tubulose or rodlike test specimen 3, carry out the clamping outer diameter of flexible modulation chuck body 1, improve the applicability of test fixture.
The foregoing is merely several embodiments of the utility model, and those skilled in the art is according to disclosed in application documents
Content can carry out various changes or modifications without departing from the spirit and scope of the utility model to the utility model embodiment.
Claims (6)
1. a kind of atmospheric corrosion of metal materials test fixture characterized by comprising
Chuck body has the axial passage that can place test specimen, on the outer wall of the chuck body there are two connections
Connecting plate, two connecting plates are located at the two sides of the axial passage, and connecting hole, institute are offered in the chuck body
Connecting hole is stated to be connected with the axial passage；
Bar is adjusted, can movably be arranged in the connecting hole, the end of the adjustment bar is connected with electro-insulating rubber gasket, described
Electro-insulating rubber gasket can be abutted with the test specimen.
2. atmospheric corrosion of metal materials test fixture as described in claim 1, which is characterized in that the chuck body it is interior
Wall is equipped with electro-insulating rubber layer.
3. atmospheric corrosion of metal materials test fixture as claimed in claim 1 or 2, which is characterized in that the adjustment bar
End is equipped with screw rod, and orbicule is threaded on the screw rod, and the outer surface of the electro-insulating rubber gasket is equipped with spherical pore,
The adjustment bar is inserted into the spherical pore by the orbicule, and is connected to the electro-insulating rubber gasket.
4. atmospheric corrosion of metal materials test fixture as described in claim 1, which is characterized in that on two connecting plates
It is respectively equipped with connection bolt.
5. atmospheric corrosion of metal materials test fixture as described in claim 1, which is characterized in that the electro-insulating rubber gasket
Inner surface be can with the test specimen outer surface cooperate cambered surface.
6. atmospheric corrosion of metal materials test fixture as described in claim 1, which is characterized in that the connecting hole is screw thread
Hole, the adjustment bar have external thread section, and the adjustment bar is threadedly connected to the connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821226905.0U CN208432517U (en) | 2018-08-01 | 2018-08-01 | Atmospheric corrosion of metal materials test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821226905.0U CN208432517U (en) | 2018-08-01 | 2018-08-01 | Atmospheric corrosion of metal materials test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208432517U true CN208432517U (en) | 2019-01-25 |
Family
ID=65097221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821226905.0U Active CN208432517U (en) | 2018-08-01 | 2018-08-01 | Atmospheric corrosion of metal materials test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208432517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186756A (en) * | 2019-05-06 | 2019-08-30 | 东南大学 | A kind of device and method for testing extra-high strength wire stress corrosion |
-
2018
- 2018-08-01 CN CN201821226905.0U patent/CN208432517U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186756A (en) * | 2019-05-06 | 2019-08-30 | 东南大学 | A kind of device and method for testing extra-high strength wire stress corrosion |
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