CN206450576U - A kind of etchant solution circulatory system for metallic material corrosion fatigue test - Google Patents
A kind of etchant solution circulatory system for metallic material corrosion fatigue test Download PDFInfo
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- CN206450576U CN206450576U CN201720089239.XU CN201720089239U CN206450576U CN 206450576 U CN206450576 U CN 206450576U CN 201720089239 U CN201720089239 U CN 201720089239U CN 206450576 U CN206450576 U CN 206450576U
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Abstract
The utility model discloses a kind of etchant solution circulatory system for metallic material corrosion fatigue test, including the axial push-pull fatigue criteria test specimen applied to fatigue tester, test specimen is provided with upper clamp end and bottom bare terminal end applied to fatigue tester, also include corrosion box and the storage bin for storing etchant solution, corrode cassette bottom portion to be provided with for the connecting hole through bottom bare terminal end, the rubber sheet gasket and flange nut for sealing and fixing are connected with by bottom bare terminal end inside and outside corrosion box, the top for corroding box is provided with lid, corrosion box is connected by water inlet pipe and outlet pipe with storage bin, water pump is connected with water inlet pipe, water inlet pipe and outlet pipe are constituted by glass tube and flexible pipe.The problem of being circulated system solves the problem the etchant solution seepage occurred in test, etchant solution simultaneously can avoid the electrochemical effect that occurs non-test material as far as possible, metal material is carried out the corrosion fatigue test of axial tension on fatigue tester.
Description
Technical field
The utility model is related to metallic material corrosion fatigue experimental device, in particular, is to be related to one kind to be used for metal
The etchant solution circulatory system of material corrosion fatigue test.
Background technology
At present, the research to the Corrosion Fatigue Properties of metal material needs to carry out corrosion fatigue test to it.When using one
As fatigue tester when being tested, it is necessary to set corrosion box to carry out corrosion fatigue test in the bare terminal end of test specimen, but
The problems such as sealing, the circulation of etchant solution, electrochemical effect for corroding box, is difficult to solve.Therefore, for the corrosion of metal material
Fatigue test method, designs a kind of experimental rig that can apply to most of fatigue tester, can play good sealing
Act on, facilitate etchant solution to circulate and avoid as far as possible the metallic material corrosion for occurring the electrochemical effect of non-test material
Fatigue experimental device becomes particularly important and urgent.
Utility model content
The purpose of this utility model is of the prior art not enough tired for metallic material corrosion there is provided one kind in order to overcome
The etchant solution circulatory system of labor experiment, is circulated system solves the problem the etchant solution seepage occurred in test, etchant solution
The problem of and the electrochemical effect that occurs non-test material can be avoided as far as possible, allow metal material general tired
The corrosion fatigue test of axial tension is carried out on labor testing machine.
The purpose of this utility model is achieved through the following technical solutions：
A kind of etchant solution circulatory system for metallic material corrosion fatigue test, including applied to fatigue tester
Axial push-pull fatigue criteria test specimen, axial push-pull fatigue criteria test specimen be provided with applied to fatigue tester upper clamp end and
Bottom bare terminal end, in addition to the corrosion box and storage bin for storing etchant solution, the corrosion cassette bottom portion be provided be used for through
It is connected with inside and outside the connecting hole of the bottom bare terminal end, the corrosion box by bottom bare terminal end for sealing and consolidating
Fixed rubber sheet gasket and flange nut, the top of the corrosion box is provided with lid, and the corrosion box passes through water inlet pipe and outlet pipe
It is connected with the storage bin, water pump is connected with the water inlet pipe, the water inlet pipe and outlet pipe are by glass tube and flexible pipe
Composition.
External diameter big 0.1-0.3mm of the diameter of the connecting hole than test specimen bare terminal end.
The water inlet pipe stretches into the length in corrosion box and is longer than the length that the outlet pipe is stretched into corrosion box.The glass
Pipe is arranged in the corrosion box.
The bottom thickness of the corrosion box is 10-20mm；The wall thickness for corroding box is 5-8mm；The external diameter for corroding box is 90-
120mm。
The thickness of the pad is less than or equal to 5mm.The pad is rubber sheet gasket or silica gel pad.
The corrosion box and lid are constituted by transparent organic glass material, and lid, which is provided with, to be used for through top folder
Hold three holes of end, water inlet pipe and outlet pipe.
One end of the bottom bare terminal end is provided with screw thread.
Compared with prior art, the beneficial effect that the technical solution of the utility model is brought is：
1. the utility model system materials are easy, convenient processing is with installing.
2. flange nut, the presence of rubber (or silica gel) pad make it that the sealing for corroding box is good in system, can be effective
Ground avoids the leakage problems for occurring in test etchant solution, and flange nut can select stainless steel and avoid non-reality as far as possible
Test material and electrochemical effect occurs in etchant solution.
3. the presence of the small pump and external etchant solution storage bin in system, facilitate the circulation of etchant solution with more
Change.Additionally since corrosion box is made of transparent lucite (acrylic material), in test can intuitively viewing test
Process.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation for corroding box.
Fig. 3 is the structural representation of lid.
Fig. 4 is the 3 d effect graph for corroding box part.
Reference：1- upper clamps end, 2- bottoms bare terminal end, 3- axial push-pull fatigue criteria test specimens, 4- corrosion boxes, 5-
Lid, 6- storage bins, 7- pads, 8- flange nuts, 9- water inlet pipes, 10- water pumps, 11- outlet pipes, 12- connecting holes,
Embodiment
The utility model will be further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, the utility model protects a kind of etchant solution for metallic material corrosion fatigue test to follow
Loop system, including fatigue test board, fatigue test board are provided with the upper clamp for being used for clamping axial push-pull fatigue criteria test specimen 3
End 1 and bottom bare terminal end 2, corrosion fatigue test, the examination can be carried out by installing the system additional on general fatigue tester
The convenient processing of experiment device is with installing, good sealing effect, with larger versatility.
The circulatory system also includes a storage bin 6 for being used to store etchant solution, and one is arranged on specimen holder end
Corrode box 4, corrosion box 4 bottom is provided with connecting hole 12, size can depending on the diameter according to specimen holder end, without processing screw thread,
The connecting hole 12 of circle is convenient to install than test specimen bare terminal end (bottom bare terminal end 2) the big 0.2mm of external diameter in the present embodiment.Corrode box 4 to lead to
Cross connecting hole 12 to pass through after lower end bare terminal end 2, pass through two flange nuts 8 being located inside and outside corrosion cassette bottom portion, two pads
Piece 7 is fixed.
Etchant solution storage bin 6 is connected with corrosion box 5 using water inlet pipe 9 and outlet pipe 11, and wherein storage bin 6 is sealing
Casing, water inlet pipe 9 and outlet pipe 11 constituted by glass tube and flexible pipe, and glass tube is arranged in the corrosion box, water inlet pipe 9
The length for stretching into the glass tube in corrosion box is longer than the length for the glass tube that outlet pipe 11 is stretched into corrosion box.Enter in corrosion box 4
The hose of mouth of a river side adds the circulation power that a small pump 10 provides etchant solution；One is processed on corrosion box 4 top
The lid 5 of water inlet glass bend pipe and water outlet glass bend pipe can be fixed.The utility model system, need to be in bottom when installing making
One end processing screw thread of bare terminal end 2 conveniently tightens two flange nuts 8 inside and outside corrosion box 4, and corrosion box 4 is secured firmly into axle
To the test section part of drawingand pressing fatigue standard specimen 3, and the compressible pad 7 being made up of rubber or silica gel plays sealing effect
Really, and it can be avoided and corrode the frictional impact of box 4, it is convenient to reuse.Corroding the base plate thickness of box 4 in the present embodiment can be
10-20mm, corrosion box 4 cylinder thickness can be 5-8mm, and the highly length with test section matches, and corrosion box 4 external diameter is 90-
120mm, corrodes box 4 and square case cap 5 is processed by lucite (acrylic material) thereon, can be directly perceived using lucite
Viewing test section.
The specification of flange nut 8 can be depending on the diameter according to bottom bare terminal end 2.The thickness of pad 7 is less than or equal to 5mm, interior
Footpath is smaller than the diameter of bottom bare terminal end 2.Lid 5 needs to process three holes, and central circular hole supplies the circular hole that test specimen is passed through, and size is omited
More than or equal to specimen holder end diameter, both sides process fixed water inlet, two circular holes of water outlet glass bend pipe, circular hole respectively
Diameter is slightly less than the diameter of glass bend pipe.
During installation, flange nut 8 is first screwed to relevant position from the side of bottom bare terminal end 2；Pad 7 is padded in flange
The bottom of nut 8, then corrosion box 4 is enclosed on below flange nut 8 by its bottom connecting hole 12；It will corrode again outside box 4 afterwards
Pad 7 be enclosed on outside corrosion box 4, outside flange nut 8 is fully tightened, completes to corrode the consolidating at specimen holder end of box 4
It is fixed.Two glass tubes for inserting water inlet pipe 9 and outlet pipe 11 after lid 5 in its reserved circular hole are installed, glass of intaking is noted
The delivery port of glass pipe is in the bottom of corrosion box, and the delivery port of water outlet glass tube is on the top of corrosion box, to ensure solution in experiment
In abundant circulation.
In the present embodiment, the corrosion bottom plate of box 4 is formed using lucite (acrylic material) hot plate welding.Pad 7 it is interior
Footpath size need to 0.2mm smaller than corresponding matching size or so, it is tightly bound round on the bare terminal end of test specimen, play sealing effectiveness.
, it is necessary to which the flange nut 8 outside corrosion box 4 is tightened as far as possible when box 4 is corroded in fixed, installation, corrosion box 4 is fixed on accordingly
Position, it is to avoid vibrate in test.Pad can be added between the fixture and flange nut of bottom bare terminal end 2, it is to avoid
Collision is produced in test, is installed and is first clipped bottom bare terminal end 2 after corrosion box 4 and carry out upper clamp end 1 and testing machine again
It is fixedly clamped.Start the first circulation of progress etchant solution before experiment, start to open after after the corrosion internal solution liquid level stabilizing of box 4
Begin to test.
The utility model is not limited to embodiments described above.The description to embodiment is intended to description above
With explanation the technical solution of the utility model, above-mentioned embodiment is only schematical, is not restricted.
Do not depart from the case of the utility model objective and scope of the claimed protection, one of ordinary skill in the art is in this practicality
The specific conversion of many forms can be also made under new enlightenment, these are belonged within protection domain of the present utility model.
Claims (9)
1. a kind of etchant solution circulatory system for metallic material corrosion fatigue test, including the axle applied to fatigue tester
To drawingand pressing fatigue standard specimen, axial push-pull fatigue criteria test specimen is provided with the upper clamp end applied to fatigue tester with
Portion's bare terminal end, it is characterised in that the storage bin also including corrosion box and for storing etchant solution, the corrosion cassette bottom portion is provided with
For the connecting hole through the bottom bare terminal end, being connected with inside and outside the corrosion box by bottom bare terminal end is used for
Sealing and fixed pad and flange nut, the top of the corrosion box are provided with lid, and the corrosion box is by water inlet pipe and goes out
Water pipe is connected with the storage bin, is connected with water pump on the water inlet pipe, the water inlet pipe and outlet pipe by glass tube and
Flexible pipe is constituted.
2. a kind of etchant solution circulatory system for metallic material corrosion fatigue test, its feature according to claim 1
It is, external diameter big 0.1-0.3mm of the diameter than test specimen bare terminal end of the connecting hole.
3. a kind of etchant solution circulatory system for metallic material corrosion fatigue test, its feature according to claim 1
It is, the water inlet pipe stretches into the length in corrosion box and is longer than the length that the outlet pipe is stretched into corrosion box.
4. a kind of etchant solution circulatory system for metallic material corrosion fatigue test according to claim 1 or 3, it is special
Levy and be, the glass tube is arranged in the corrosion box.
5. a kind of etchant solution circulatory system for metallic material corrosion fatigue test, its feature according to claim 1
It is, the bottom thickness of the corrosion box is 10-20mm, and the wall thickness of corrosion box is 5-8mm, and the external diameter of corrosion box is 90-
120mm。
6. a kind of etchant solution circulatory system for metallic material corrosion fatigue test, its feature according to claim 1
It is, the thickness of the pad is less than or equal to 5mm.
7. a kind of etchant solution circulatory system for metallic material corrosion fatigue test, its feature according to claim 1
It is, the corrosion box and lid are constituted by transparent organic glass material, and lid, which is provided with, to be used for through the upper clamp
Three holes at end, water inlet pipe and outlet pipe.
8. a kind of etchant solution circulatory system for metallic material corrosion fatigue test according to claim 1 or 6, it is special
Levy and be, the pad is rubber sheet gasket or silica gel pad.
9. a kind of etchant solution circulatory system for metallic material corrosion fatigue test, its feature according to claim 1
It is, one end of the bottom bare terminal end is provided with screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720089239.XU CN206450576U (en) | 2017-01-20 | 2017-01-20 | A kind of etchant solution circulatory system for metallic material corrosion fatigue test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720089239.XU CN206450576U (en) | 2017-01-20 | 2017-01-20 | A kind of etchant solution circulatory system for metallic material corrosion fatigue test |
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| Publication Number | Publication Date |
|---|---|
| CN206450576U true CN206450576U (en) | 2017-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720089239.XU Active CN206450576U (en) | 2017-01-20 | 2017-01-20 | A kind of etchant solution circulatory system for metallic material corrosion fatigue test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596384A (en) * | 2017-01-20 | 2017-04-26 | 天津大学 | Corrosion solution circulation system for corrosion fatigue test of metal material |
| CN108956440A (en) * | 2018-08-03 | 2018-12-07 | 中国核动力研究设计院 | It is a kind of for liquid lead or the corrosion testing apparatus and method of liquid lead bismuth alloy |
-
2017
- 2017-01-20 CN CN201720089239.XU patent/CN206450576U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596384A (en) * | 2017-01-20 | 2017-04-26 | 天津大学 | Corrosion solution circulation system for corrosion fatigue test of metal material |
| CN108956440A (en) * | 2018-08-03 | 2018-12-07 | 中国核动力研究设计院 | It is a kind of for liquid lead or the corrosion testing apparatus and method of liquid lead bismuth alloy |
| CN108956440B (en) * | 2018-08-03 | 2020-08-18 | 中国核动力研究设计院 | Corrosion test device and method for liquid lead or liquid lead bismuth alloy |
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Address after: 300350 District, Jinnan District, Tianjin Haihe Education Park, 135 beautiful road, Beiyang campus of Tianjin University Patentee after: Tianjin University Address before: 300072 Tianjin City, Nankai District Wei Jin Road No. 92 Patentee before: Tianjin University |