CN208420537U - A kind of autoclave test specimen creeping clamp based on direct current potential drop method - Google Patents
A kind of autoclave test specimen creeping clamp based on direct current potential drop method Download PDFInfo
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- CN208420537U CN208420537U CN201821200682.0U CN201821200682U CN208420537U CN 208420537 U CN208420537 U CN 208420537U CN 201821200682 U CN201821200682 U CN 201821200682U CN 208420537 U CN208420537 U CN 208420537U
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- vertical section
- ceramic tube
- test specimen
- tube
- fixing piece
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Abstract
The utility model discloses a kind of autoclave test specimen creeping clamps based on direct current potential drop method, including the clamping structure clamped to test specimen and for the clamp body of clamping structure installation；Clamp body is the clamp body that its cross section is U-shaped, and clamp body includes the flat segments and flat segments perpendicular the first vertical section and the second vertical section in horizontal layout；Clamping structure includes fixing piece, the first ceramic tube for being coaxially mounted to fixing piece both ends and the second ceramic tube and the third ceramic tube being coaxially mounted in the middle part of fixing piece.The utility model passes through the first potsherd of setting and the second potsherd, form insulation environment, it avoids test specimen and clamp body, third outer tube and the first outer tube and the second outer tube from being in contact conduction, the first ceramic tube and the second ceramic tube is set, fixing piece and clamp body is made to insulate, third ceramic tube is set, so that fixing piece and test specimen is insulated, prevents contact conduction, experiment is made to be interfered, reliable and stable, using effect is good.
Description
Technical field
The utility model belongs to clamp art, tries more particularly, to a kind of autoclave based on direct current potential drop method
Part creeping clamp.
Background technique
Solid material strains the phenomenon that extending at any time and increasing referred to as creep under conditions of keeping stress constant.
In petrochemical industry metallurgy generating equipment, many metal parts work are in high temperature and high pressure environment.Most of high temperature and pressure (high temperature
Refer to that temperature is 300 DEG C -400 DEG C, high pressure finger pressure is by high temperature, height for the actual effect of 15Mpa-25Mpa) environment lower bearing carriers
Caused by high-temerature creep caused by pressure acts on.And relevant material mechanical performance is obtained under room temperature in laboratory mostly,
The accuracy of test data has certain limitation.In order to accurately obtain mechanical property of the material under high temperature and high pressure environment
Can, the material that needs a person with the qualifications of a general, which is placed in the autoclave that can simulate this environment, carries out test experiments.Material is measured at room temperature
Foil gauge can be pasted in surface of test piece when stress-strain characteristics to be tested, however foil gauge can not make under high temperature environment
With.Can solve foil gauge by direct current potential drop method cannot be used for the problem of testing under high temperature and high pressure environment, therefore utilize
Direct current potential drop method needs a kind of fixture that can be insulated with test equipment when measuring material mechanical performance, measured with reducing
The experimental error generated in journey.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiency of the prior art, provide one kind to be based on
The autoclave test specimen creeping clamp of direct current potential drop method forms dead ring by the first potsherd of setting and the second potsherd
Border avoids test specimen and clamp body, third outer tube and the first outer tube and the second outer tube from being in contact conduction, the first pottery of setting
Porcelain tube and the second ceramic tube make fixing piece and clamp body insulate, third ceramic tube are arranged, and so that fixing piece and test specimen is insulated, prevent
It is in contact conduction, so that experiment is interfered, reliable and stable, using effect is good.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of based on direct current potential drop method
Autoclave test specimen creeping clamp, it is characterised in that: including the clamping structure clamped to test specimen and supply the clamping structure
The clamp body of installation；
The clamp body is the clamp body that its cross section is U-shaped, clamp body include in horizontal layout flat segments, with it is described
Flat segments perpendicular the first vertical section and the second vertical section；
The clamping structure includes fixing piece, the first ceramic tube for being coaxially mounted to the fixing piece both ends and the second ceramics
The third ceramic tube in the middle part of the fixing piece is managed and is coaxially mounted to, first ceramic tube is arranged in the first vertical section,
Second ceramic tube is arranged in the second vertical section, and the third ceramic tube setting is vertical in first vertical section and second
In the cavity of Duan Zucheng；
It is provided with the first potsherd on the medial surface of first vertical section, is arranged on the medial surface of second vertical section
There is the second potsherd, the first potsherd is close in one end of first ceramic tube, and the other end of first ceramic tube extends to
On the outside of first vertical section, the second potsherd is close in one end of second ceramic tube, and the other end of second ceramic tube extends
On the outside of to the second vertical section.
Above-mentioned a kind of autoclave test specimen creeping clamp based on direct current potential drop method, it is characterised in that: described first
The outer sheath of ceramic tube is equipped with the first outer tube, and the outer sheath of second ceramic tube is equipped with the second outer tube, the third pottery
The outer sheath of porcelain tube is equipped with third outer tube.
A kind of above-mentioned autoclave test specimen creeping clamp based on direct current potential drop method, it is characterised in that: the fixation
Part is pin.
Above-mentioned a kind of autoclave test specimen creeping clamp based on direct current potential drop method, it is characterised in that: described first
The pin hole passed through for pin is offered on potsherd and the second potsherd.
Above-mentioned a kind of autoclave test specimen creeping clamp based on direct current potential drop method, it is characterised in that: described first
It offers the through-hole passed through for the first outer tube in vertical section, offers in second vertical section and passed through for the second outer tube
Through-hole.
Compared with the prior art, the utility model has the following advantages:
1, the utility model forms insulation environment, avoids test specimen and folder by the first potsherd of setting and the second potsherd
Specifically, third outer tube and the first outer tube and the second outer tube are in contact conduction, prevent experimental data during the experiment
It is interfered, reliable and stable, using effect is good.
2, the utility model makes fixing piece and clamp body insulate, setting by the first ceramic tube of setting and the second ceramic tube
Third ceramic tube makes fixing piece insulate with test specimen, prevents contact conduction, experiment is made to be interfered, and disassembly is easy for installation, real
It is strong with property.
3, the utility model is designed reasonably, structure is simple, convenient for promoting the use of.
In conclusion the utility model forms insulation environment, avoids trying by the first potsherd of setting and the second potsherd
Part and clamp body, third outer tube and the first outer tube and the second outer tube are in contact conduction, the first ceramic tube of setting and the
Two ceramic tubes make fixing piece and clamp body insulate, third ceramic tube are arranged, and so that fixing piece and test specimen is insulated, prevent to contact
Conduction makes experiment be interfered, and reliable and stable, using effect is good.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the usage state diagram of the utility model.
Description of symbols:
1-test specimen；2-clamp bodies；2-1-flat segments；
The first vertical section of 2-2-；The second vertical section of 2-3-；3-fixing pieces；
4-the first ceramic tube；5-the second ceramic tube；6-third ceramic tubes；
7-the first potsherd；8-the second potsherd；9-the first outer tube；
10-the second outer tube；11-third outer tubes；12-reference pieces.
Specific embodiment
As depicted in figs. 1 and 2, the utility model includes the clamping structure clamped to test specimen 1 and ties for the clamping
The clamp body 2 of structure installation；
The clamp body 2 is the clamp body that its cross section is U-shaped, clamp body 2 include in horizontal layout flat segments 2-1,
The first vertical section 2-2 and second vertical section 2-3 perpendicular with the flat segments 2-1；
The clamping structure includes fixing piece 3, the first ceramic tube 4 and second for being coaxially mounted to 3 both ends of fixing piece
Ceramic tube 5 and the third ceramic tube 6 for being coaxially mounted to 3 middle part of fixing piece, the setting of the first ceramic tube 4 are perpendicular first
In straight section 2-2, second ceramic tube 5 is arranged in the second vertical section 2-3, and the third ceramic tube 6 is arranged described first
In the cavity of vertical section 2-2 and the second vertical section 2-3 composition；
The first potsherd 7, the inside of the second vertical section 2-3 are provided on the medial surface of the first vertical section 2-2
The second potsherd 8 is provided on face, the first potsherd 7 is close in one end of first ceramic tube 4, first ceramic tube 4
The other end extends on the outside of the first vertical section 2-2, and the second potsherd 8, second pottery are close in one end of second ceramic tube 5
The other end of porcelain tube 5 extends on the outside of the second vertical section 2-3.
The first vertical section 2-2 and the second vertical section 2-3 and fixing piece 3 are perpendicular, the first vertical section 2-2 and
The mounting hole for clamping structure installation is offered on two vertical section 2-3.In the first vertical section 2-2 and the second vertical section
Plane is cut on the outside of 2-3, facilitates fixing piece 3 to install, the bottom the flat segments 2-1 is provided with bolt hole, clamp body 2 is facilitated to be mounted on
On autoclave.The test specimen 1 is mounted in the cavity of the first vertical section 2-2 and the second vertical section 2-3 composition, that is, is installed on third
On the third outer tube 11 in 6 outside of ceramic tube, thus by one end fixing clamp specific 2 of test specimen 1.In actual use, by test specimen 1
Both ends be separately fixed on two clamp bodies 2, reference piece 12 then hangs over the side of two clamp bodies 2, when test specimen 1 is drawn
When power, test specimen 1 is elongated, and resistance can change, so as to obtain the strain value of test specimen 1.And reference piece 12 is because hanging over two
The side of a clamp body 2 only provides a reference potential not by pulling force, avoids test specimen 1 by environmental change, make measurement result by
To influence.It is in order to which clamp body 2 and fixing piece 3 insulate, at the middle part of fixing piece 3 in the both ends ceramic tube for sleeving of fixing piece 3
Ceramic tube for sleeving is in order to which test specimen 1 and fixing piece 3 insulate, because during the experiment, test specimen 1 needs to be powered, in order to guarantee reality
It tests data not to be interfered, reduces the error of measurement, need exhausted with test specimen 1 and the insulation of fixing piece 3, clamp body 2 and fixing piece 3
Edge.
In the present embodiment, the outer sheath of first ceramic tube 4 is equipped with the first outer tube 9, second ceramic tube 5 it is outer
Side is set with the second outer tube 10, and the outer sheath of the third ceramic tube 6 is equipped with third outer tube 11.
First outer tube 9, the second outer tube 10 and third outer tube 11 are steel casing, first outer tube
9, mounting means and the first ceramic tube 4, the second ceramic tube 5 and third ceramic tube 6 of the second outer tube 10 and third outer tube 11
Mounting means it is identical.Because ceramic tube receiving pressure is limited, to prevent from being crushed during the experiment, steel is cased in ceramic tube
Outer tube increases ceramic tube contact force loaded area, and ceramic tube stress is avoided to concentrate, and is destroyed.
To prevent test specimen 1 to be in contact with clamp body 2, third outer tube 11 and the first outer tube 9 and the second outer tube 10
Conduction, therefore two sides are insulated with the first potsherd 7 and the second potsherd 8, it is conductive to prevent contact, avoid experiment by
Interference, reliable and stable, using effect is good.
In the present embodiment, the fixing piece 3 is pin.
In the present embodiment, the pin hole passed through for pin is offered on first potsherd 7 and the second potsherd 8.
It should be noted that play the role of that test specimen 1 can be clamped, fixing piece 3 has to pass through the first potsherd 7
With the second potsherd 8, test specimen 1 can just be installed on the third outer tube 11 at 3 middle part of fixing piece.
In the present embodiment, the through-hole passed through for the first outer tube 9 is offered on the first vertical section 2-2, described second
The through-hole passed through for the second outer tube 10 is offered on vertical section 2-3.
In actual use, one end of the fixing piece 3 is mounted in the first vertical section 2-2, and the fixing piece 3 this
Coaxial sleeve is equipped with the first ceramic tube 4 and the first outer tube 9 on end, and the other end of the fixing piece 3 is mounted on the second vertical section 2-3
It is interior, and coaxial sleeve is equipped with the second ceramic tube 5 and the second outer tube 10 on this one end of the fixing piece 3, therefore, described first is perpendicular
The through-hole needs opened up on straight section 2-2 and the second vertical section 2-3 can be such that the first outer tube 9 and the second outer tube 10 passes through.
As shown in Fig. 2, when the utility model is used, two clamp bodies 2 is needed to be used cooperatively, by one end of the test specimen 1
It is mounted in the cavity of the first vertical section 2-2 and the second vertical section 2-3 composition of first clamp body 2, that is, is installed on third pottery
On the third outer tube 11 in 6 outside of porcelain tube.Using same method, it is empty that the other end of test specimen 1 is fixed on second clamp body 2
On intracavitary third outer tube 11, reference piece 12 then hangs over the side of two clamp bodies 2, after completing above-mentioned steps, starts to survey
Measure the test of 1 creep of test specimen.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all
According to any simple modification to the above embodiments of the utility model technical spirit, change and equivalent structural changes, still
Belong in the protection scope of technical solutions of the utility model.
Claims (5)
1. a kind of autoclave test specimen creeping clamp based on direct current potential drop method, it is characterised in that: including being carried out to test specimen (1)
The clamping structure of clamping and the clamp body (2) installed for the clamping structure；
The clamp body (2) is the clamp body that its cross section is U-shaped, and clamp body (2) includes the flat segments (2- in horizontal layout
1), with the flat segments (2-1) perpendicular the first vertical section (2-2) and the second vertical section (2-3)；
The clamping structure includes fixing piece (3), the first ceramic tube (4) for being coaxially mounted to the fixing piece (3) both ends and
Two ceramic tubes (5) and the third ceramic tube (6) being coaxially mounted in the middle part of the fixing piece (3), first ceramic tube (4) set
It sets in the first vertical section (2-2), the second ceramic tube (5) setting is in the second vertical section (2-3), the third ceramic tube
(6) it is arranged in the cavity that first vertical section (2-2) and the second vertical section (2-3) form；
Be provided with the first potsherd (7) on the medial surface of first vertical section (2-2), second vertical section (2-3) it is interior
It is provided on side the second potsherd (8), the first potsherd (7) are close in one end of first ceramic tube (4), first pottery
The other end of porcelain tube (4) extends on the outside of the first vertical section (2-2), and the second ceramics are close in one end of second ceramic tube (5)
Piece (8), the other end of second ceramic tube (5) extend on the outside of the second vertical section (2-3).
2. a kind of autoclave test specimen creeping clamp based on direct current potential drop method described in accordance with the claim 1, feature exist
The first outer tube (9) are housed in: the outer sheath of first ceramic tube (4), the outer sheath of second ceramic tube (5) is equipped with the
The outer sheath of two outer tubes (10), the third ceramic tube (6) is equipped with third outer tube (11).
3. a kind of autoclave test specimen creeping clamp based on direct current potential drop method according to claim 1 or 2, feature
Be: the fixing piece (3) is pin.
4. a kind of autoclave test specimen creeping clamp based on direct current potential drop method described in accordance with the claim 3, feature exist
In: the pin hole passed through for pin is offered on first potsherd (7) and the second potsherd (8).
5. a kind of autoclave test specimen creeping clamp based on direct current potential drop method according to claim 1 or 2, feature
It is: offers the through-hole passed through for the first outer tube (9), second vertical section (2-3) on first vertical section (2-2)
On offer the through-hole passed through for the second outer tube (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821200682.0U CN208420537U (en) | 2018-07-27 | 2018-07-27 | A kind of autoclave test specimen creeping clamp based on direct current potential drop method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821200682.0U CN208420537U (en) | 2018-07-27 | 2018-07-27 | A kind of autoclave test specimen creeping clamp based on direct current potential drop method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208420537U true CN208420537U (en) | 2019-01-22 |
Family
ID=65124158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821200682.0U Expired - Fee Related CN208420537U (en) | 2018-07-27 | 2018-07-27 | A kind of autoclave test specimen creeping clamp based on direct current potential drop method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208420537U (en) |
-
2018
- 2018-07-27 CN CN201821200682.0U patent/CN208420537U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 Termination date: 20190727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |