CN207923598U - A kind of station boiler small punch test device - Google Patents
A kind of station boiler small punch test device Download PDFInfo
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- CN207923598U CN207923598U CN201820356401.4U CN201820356401U CN207923598U CN 207923598 U CN207923598 U CN 207923598U CN 201820356401 U CN201820356401 U CN 201820356401U CN 207923598 U CN207923598 U CN 207923598U
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- collet
- test device
- station boiler
- pedestal
- small punch
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Abstract
A kind of station boiler small punch test device disclosed in the utility model embodiment, including pedestal, collet, jumper bar and heating element, collet is arranged on pedestal, and collet and pedestal are provided with the mounting groove for installing test specimen, jumper bar is clamped in collet, and fixed link is provided on the end face of the pedestal；The collet is provided with adjustment hole with the matched position of the fixed link；One end of the stretching adjustment hole of the fixed link is provided with fixed knob, and elastomeric element is provided between the fixed knob and the collet.Test specimen is mounted in mounting groove when use, position of the rotation fixed knob in fixed link adjusts the pressing force and distance between collet and pedestal.It can be seen that loading force on test specimen can be adjusted using the station boiler small punch test device in the utility model and for the test specimen of different-thickness.To expand the accommodation of station boiler small punch test device.
Description
Technical field
The utility model is related to small punch test technology fields, are tried more specifically to a kind of small jumper bar of station boiler
Experiment device.
Background technology
Station boiler refers to the large-sized boiler for providing specified quantity and quality steam in power plant to steam turbine, is firepower hair
One of main heat power equipment of power plant, one of most important index are exactly prolonged safe and stable operation.In station boiler
Most of component long service under the environment such as high temperature, high pressure, different degrees of deterioration can occur for metal material, serious to draw
Send out safety accident.Stable operation when to ensure that each pressure-containing member can be long as required needs to carry out each component regular during service
It examines.Conventional non-destructive testing can be detected under the premise of not injury device or component structural integrity in or surface
Defect, and be unable to get the mechanical property of material, such as the indexs such as tensile strength, yield strength, fracture toughness.To conventional drawing
The mechanical property of material can be obtained but be required for a large amount of test material by stretching experiment, impact test, fracture toughness test etc.
And belong to destructive sampling test.Based on above deficiency, the advantages of small punch test (i.e. SP methods) is sampled due to its micro- damage
And it is widely studied.
Since station boiler SP methods will test different temperatures, the mechanical property of different metal material, need to load
Power is differed by more than ten kilograms to up to a hundred kilograms, and traditional fixture cannot meet this requirement.In addition, SP experiments at present can only be tested
A kind of test specimen of thickness, if specimen thickness changes, current device possibly can not carry out SP experiments.
Therefore, the accommodation for how expanding station boiler small punch test device becomes those skilled in the art urgently
The technical issues of solution.
Utility model content
In view of this, technical problem to be solved in the utility model is how to expand station boiler small punch test device
Accommodation, for this purpose, the utility model provides a kind of station boiler small punch test device.
To achieve the above object, the utility model provides the following technical solutions：
A kind of station boiler small punch test device, including pedestal, collet, jumper bar and heating element, the collet setting
On the pedestal, the collet and the pedestal are provided with the mounting groove for installing test specimen, and the jumper bar is clamped in the collet
In, it is provided with fixed link on the end face of the pedestal；The collet is provided with adjustment hole with the matched position of the fixed link；
One end of the stretching adjustment hole of the fixed link is provided with fixed knob, is arranged between the fixed knob and the collet
Flexible component.
Preferably, in above-mentioned station boiler small punch test device, the elastomeric element is spring.
Preferably, in above-mentioned station boiler small punch test device, the fixed link is permanently to connect with the pedestal
It connects.
Preferably, in above-mentioned station boiler small punch test device, described fixed link one end is welded on the pedestal.
Preferably, in above-mentioned station boiler small punch test device, one end that the fixed link stretches out the collet is set
It is equipped with screw thread.
Preferably, in above-mentioned station boiler small punch test device, one end that the screw thread stretches out the collet is also set
It is equipped with scale.
Preferably, in above-mentioned station boiler small punch test device, the fixed link is symmetrically arranged two.
It can be seen from the above technical scheme that test specimen is mounted in mounting groove when using, rotation fixed knob is solid
Position in fixed pole adjusts pressing force and distance between collet and pedestal.It can be seen that using the electricity in the utility model
Boiler small punch test device of standing can adjust the loading force on test specimen and the test specimen for different-thickness.To expand electricity
It stands the accommodation of boiler small punch test device.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
A kind of sectional structure for station boiler small punch test device that Fig. 1 is provided by the utility model embodiment is illustrated
Figure；
A kind of structural schematic diagram for fixed link that Fig. 2 is provided by the utility model embodiment；
The structural schematic diagram for another fixed link that Fig. 3 is provided by the utility model embodiment.
In diagram, 1 it is pedestal, 2 is collet, 3 is jumper bar, 4 is mounting groove, 5 is test specimen, 6 is fixed link, 7 is fixed rotation
Button, 8 be elastomeric element, 9 be scale.
Specific implementation mode
For this purpose, the core of the utility model is to provide a kind of station boiler small punch test device, to expand power station pot
The accommodation of stove small punch test device.
In addition, embodiments illustrated below does not play any restriction effect to the utility model content recorded in claim.
In addition, the full content of the composition represented by following example is not limited to the solution as the utility model recorded in claim
Necessary to scheme.
Referring to Fig. 1, the station boiler small punch test device, including pedestal 1, collet 2, jumper bar 3 and heating element 4,
Collet 2 is arranged on pedestal 1, and collet 2 and pedestal 1 are provided with the mounting groove 4 for installing test specimen 5, and jumper bar 3 is clamped in collet 2, base
It is provided with fixed link 6 on the end face of seat 1；Collet 2 is provided with adjustment hole with 6 matched position of fixed link；The stretching of fixed link 6
One end of adjustment hole is provided with fixed knob 7, and elastomeric element 8 is provided between fixed knob 7 and collet 2.
Test specimen 5 is mounted in mounting groove 4 when use, position of the rotation fixed knob 7 in fixed link 6 adjusts collet 2
Pressing force between pedestal 1 and distance.It can be seen that using the station boiler small punch test device in the utility model
The loading force on test specimen 5 and the test specimen 5 for different-thickness can be adjusted.To expand station boiler small punch test dress
The accommodation set.
The effect of elastomeric element 8 is in order to prestore the pretightning force between fixed rotation and collet 2, to adjust collet
Loading force between 2 and pedestal 1 and distance, the limited elastomeric element 8 are spring, and spring has the advantages that easy for installation.
The fixed link 6 is detachably connected with the use of pedestal 1 or permanent connection, wherein fixation can be facilitated by being detachably connected
The replacement of bar 6；And permanent connection can ensure the stability that fixed link 6 is connect with pedestal 1, wherein permanent connection is specific
To be formed with 1 overall processing of pedestal or fixed link 6 is welded on pedestal 1.
And fixed knob 7, one end that fixed link 6 stretches out collet 2 are provided with screw thread in order to facilitate the installation of.Certainly, fixed link 6
Part inside collet 2 can be threaded, and can also be not provided with screw thread.
Referring to Fig. 3, further, in order to reach the accurate loading force adjusted between collet 2 and pedestal 1, screw thread stretches out
One end of collet 2 is additionally provided with scale 9.
As shown in Figure 2.The unit of force that scale 9 is shown is kg, meets jumper bar 3 within the scope of 100N~1000N, and test specimen 5 is protected
It holds and does not generate the mobile any deviation brought.Fixed link 6 is at least symmetrical arranged two groups, is convenient for 5 uniform force of test specimen.
Fasten the power of the application of test specimen 5 power=6 groups of fixed link number × every group.
Fasten 5 power of test specimen>Jumper bar 3 is to 5 applied force of test specimen.
Stiffness factor (coefficient of stiffiness) k of spring is selected according to Hooke's law：
K- stiffness factors (coefficient of stiffiness)
F-kg power can choose maximum value by scale 9 according to Fig.2,
X- spring elongations
The scale 9 that 7 top of fixed knob is exposed is the power that is applied.Circular knob generally is used, if strength is not achieved,
Hexagon or quadrangle etc. can be used, rotated with tool easy to use.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (8)
1. a kind of station boiler small punch test device, including pedestal (1), collet (2) and jumper bar (3), collet (2) setting
On the pedestal (1), the collet (2) and the pedestal (1) are provided with the mounting groove (4) for installing test specimen (5), the jumper bar
(3) it is clamped in the collet (2), which is characterized in that be provided with fixed link (6) on the end face of the pedestal (1)；The collet
(2) fixed link (6) matched position is provided with adjustment hole；The one of the stretching adjustment hole of the fixed link (6)
End is provided with fixed knob (7), and elastomeric element (8) is provided between the fixed knob (7) and the collet (2).
2. station boiler small punch test device as described in claim 1, which is characterized in that the elastomeric element (8) is bullet
Spring.
3. station boiler small punch test device as claimed in claim 2, which is characterized in that the fixed link (6) with it is described
Pedestal (1) is permanent connection.
4. station boiler small punch test device as claimed in claim 3, which is characterized in that fixed link (6) one end weldering
It is connected on the pedestal (1).
5. station boiler small punch test device as claimed in claim 4, which is characterized in that the fixed link (6) stretches out institute
The one end for stating collet (2) is provided with screw thread.
6. station boiler small punch test device as claimed in claim 5, which is characterized in that the screw thread stretches out the collet
(2) one end is additionally provided with scale (9).
7. such as station boiler small punch test device according to any one of claims 1 to 6, which is characterized in that the fixation
Bar (6) is symmetrically arranged two.
8. such as station boiler small punch test device according to any one of claims 1 to 6, which is characterized in that the fixation
Knob (7) is cylindrical, hexagon or quadrangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820356401.4U CN207923598U (en) | 2018-03-15 | 2018-03-15 | A kind of station boiler small punch test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820356401.4U CN207923598U (en) | 2018-03-15 | 2018-03-15 | A kind of station boiler small punch test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207923598U true CN207923598U (en) | 2018-09-28 |
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ID=63599188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820356401.4U Active CN207923598U (en) | 2018-03-15 | 2018-03-15 | A kind of station boiler small punch test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207923598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225902A (en) * | 2018-03-15 | 2018-06-29 | 国电锅炉压力容器检验中心 | A kind of station boiler small punch test device |
-
2018
- 2018-03-15 CN CN201820356401.4U patent/CN207923598U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225902A (en) * | 2018-03-15 | 2018-06-29 | 国电锅炉压力容器检验中心 | A kind of station boiler small punch test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 2096, Beijing New Energy Technology Research Institute Patentee after: GUODIAN BOILER AND PRESSURE VESSEL INSPECTION Co.,Ltd. Address before: No. 2096, Beijing New Energy Technology Research Institute Patentee before: GUODIAN BOILER AND PRESSURE VESSEL INSPECTION CENTER Address after: No. 2096, Beijing New Energy Technology Research Institute Patentee after: Guoneng boiler and Pressure Vessel Inspection Co.,Ltd. Address before: No. 2096, Beijing New Energy Technology Research Institute Patentee before: GUODIAN BOILER AND PRESSURE VESSEL INSPECTION Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |