CN206740532U - The measurement apparatus of sample deformation - Google Patents
The measurement apparatus of sample deformation Download PDFInfo
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- CN206740532U CN206740532U CN201720645231.7U CN201720645231U CN206740532U CN 206740532 U CN206740532 U CN 206740532U CN 201720645231 U CN201720645231 U CN 201720645231U CN 206740532 U CN206740532 U CN 206740532U
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- sample deformation
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- 238000005259 measurement Methods 0.000 title claims abstract description 53
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000011056 performance test Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005477 standard model Effects 0.000 description 2
- 229910000897 Babbitt (metal) Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
It the utility model is related to the performance test field of sample, disclose a kind of measurement apparatus of sample deformation, wherein, the measurement apparatus includes heating furnace (1), stretching clamp and measurement portion, the stretching clamp is included in the first fixture (2) and the second fixture (3) in the heating furnace (1), the measurement portion includes the first bracket (4) and the second bracket (5), first bracket (4) is connected to first fixture (2), second bracket (5) is connected to second fixture (3), the measurement portion also includes being used for the range sensor for measuring distance between first bracket (4) and second bracket (5).Pass through above-mentioned technical proposal, the change of the relative distance of first bracket and the second bracket can embody the relative distance change of the first fixture and the second fixture, so as to be difficult in heating furnace direct test in the length change of the externally measured tensile sample of heating furnace, the tensile sample for solving the problems, such as small size.
Description
Technical field
The performance test field of sample is the utility model is related to, more particularly to a kind of measurement apparatus of sample deformation.
Background technology
Metal material especially holds the mechanical properties such as temperature, pressure-bearing metal part its drawing by high temperature, high-temerature creep to judging gold
The performance of category material is most important, and what is provided in the market is the measurement apparatus of standard model, and these measurement apparatus include
The fixture of standard model, it is desirable to could be tested after material to be measured is processed as into standard-sized sample.
In fields such as electric power, chemical industry, Aero-Space, it is necessary to which some parts during use are carried out with performance test, bag
The test of drawing by high temperature and high temperature creep property is included, so as to extrapolate residual life of these parts etc..It is however, such
It is difficult that will prepare standard specimen that part is limited by factors such as space, overall dimensions, is particularly difficult to sampling without damage, example
Such as, for pipeline member, it is difficult to the sample of sufficient size is removed in the case where not destroying the structure of pipeline.
In order to solve the problems, such as that standard size sample is difficult to prepare, the surface cut in part to be tested can be selected more micro-
Small tiny sample, and drawing by high temperature and high-temerature creep test are carried out to tiny sample.The test of tiny sample needs corresponding chi
Very little fixture, also, its deformation quantity is relatively small, it is difficult to measures under the high temperature conditions.
Utility model content
The purpose of this utility model is to provide a kind of deformation quantity for the tensile sample that can more easily test small size
Measurement apparatus.
To achieve these goals, the utility model provides a kind of measurement apparatus of sample deformation, it is characterised in that institute
Stating measurement apparatus includes heating furnace, stretching clamp and measurement portion, and the stretching clamp is included in the heating furnace to be drawn along sample
Stretch direction be arranged at intervals and can be along the draw direction the first fixture and the second fixture close to each other or remote, the measurement
Portion includes the first bracket and the second bracket outside the heating furnace, and first bracket is connected to first fixture simultaneously
The first fixture synchronizing moving can be followed, second bracket is connected to second fixture and can follow described second
Fixture synchronizing moving, the measurement portion also include being used for the distance for measuring distance between first bracket and second bracket
Sensor.
Preferably, the measurement apparatus includes multiple range sensors.
Preferably, the measurement apparatus includes support beam, and the support beam is provided with the cunning extended along the draw direction
Rail portion, first bracket and/or second bracket include the sliding part for being slidably engaged to the slide rail portion.
Preferably, the support beam is aligned in the stretching clamp along the draw direction, the support beam it is relative
Both sides are respectively equipped with the slide rail portion, and first bracket and/or second bracket are included with two slide rail portions one by one
Two sliding parts of corresponding engagement, two sliding positions are in the both sides of the support beam and pass through Flexible Connector pressure
It is against the support beam.
Preferably, the sliding part is provided with rotatable roller.
Preferably, first bracket is connected to first fixture by head rod, and second bracket passes through
Second connecting rod is connected to second fixture, and the head rod and second connecting rod are parallel to the draw direction
Extension, the through hole that the heating furnace passes through formed with the permission head rod and second connecting rod.
Preferably, the head rod is arranged in pairs and symmetrical on the center line of the stretching clamp, and described
Two connecting rods are arranged in pairs and symmetrical on the center line of the stretching clamp.
Preferably, first fixture is provided with first boss, and the head rod is connected to the first boss, institute
State the second fixture and be provided with second boss, second connecting rod is connected to the second boss.
Preferably, first bracket is provided with stop block, and the range sensor includes telescopic grating scale, the light
One end of grid chi is connected to second bracket, and the other end presses on the stop block.
Preferably, the distance between first fixture and second fixture are 3-15mm.
The relative distance change of Pass through above-mentioned technical proposal, the first bracket and the second bracket can embody the first fixture and the
The relative distance change of two fixtures, so as in the length change of the externally measured tensile sample of heating furnace, solve small size
Tensile sample the problem of being difficult in heating furnace direct test.
Brief description of the drawings
Fig. 1 is according to a kind of structural representation of the measurement apparatus of the sample deformation of embodiment of the present utility model.
Description of reference numerals
The fixture of 1 heating furnace 2 first
The bracket of 3 second fixture 4 first
The support beam of 5 second bracket 6
The roller of 7 slide rail portion 8
The connecting rod of 9 head rod 10 second
The second boss of 11 first boss 12
The grating scale of 13 stop block 14
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
The utility model provides a kind of measurement apparatus of sample deformation, wherein, the measurement apparatus include heating furnace 1,
Stretching clamp and measurement portion, the stretching clamp be included in the heating furnace 1 along sample draw direction be arranged at intervals and can
First fixture 2 and second fixture 3 close to each other or remote along the draw direction, the measurement portion include being located at the heating
The first bracket 4 and the second bracket 5 outside stove, first bracket 4 are connected to first fixture 2 and can follow described
The synchronizing moving of one fixture 2, second bracket 5 are connected to second fixture 3 and can follow second fixture 3 is synchronous to move
Dynamic, the measurement portion also includes being used for the range sensor for measuring distance between first bracket 4 and second bracket 5.
The measurement apparatus of the sample deformation can be used for the high temperature tensile properties and high temperature creep property for measuring sample, i.e.,
Measurement sample is stretched performance during active force at high operating temperatures.Heating furnace 1 can heat to sample, described
The first fixture 2 and the second fixture 3 of stretching clamp can clamp the both ends of sample respectively, and the first fixture 2 and the second fixture 3 can be with
Reverse movement is with tensile sample.Tensile sample can be substantially bar shaped plate-like shape or shaft-like, and can be with shape in intermediate region
Into smallest cross-sectional, so as to can preferentially produce deformation under a stretching force at smallest cross-sectional, it is easy to observation to measure.
This programme does not set deformation measuring device in heating furnace 1, but distance is provided with outside heating furnace 1 and is surveyed
Device is measured, is exported the displacement of the first fixture 2 outside heating furnace 1 by the first bracket 4, and by the second bracket 5 by the
The displacement of two fixtures 3 is exported outside heating furnace 1, so as to which the change of the distance between the first bracket 4 and the second bracket 5 embodies the
The distance between one fixture 2 and the second fixture 3 change, and are measured by range sensor between the first bracket 4 and the second bracket 5
Distance and change, you can measurement the distance between the first fixture 2 and the second fixture 3 and change.
For the less sample of size, its deformation quantity is smaller under stretching action, and under the high temperature conditions, measurement
Device is difficult to install, and measurement apparatus is easily deformed by high temperature action and influences measurement accuracy, therefore, passes through export
The measuring method of formula, the measurement accuracy of small size sample change in size in drawing by high temperature can be improved.
Further, the measurement apparatus includes multiple range sensors, it is preferable that the range sensor is two
It is individual, and be symmetrically arranged on the center line of the stretching clamp.The center line of the stretching clamp can be the drawing of clamping
The center line of sample along its length is stretched, the length direction of tensile sample is draw direction.That is, pass through multiple distances
Sensor, the data that can obtain measurement enter contrast, if difference is larger, show gripping in the presence of inclined for tensile sample
Tiltedly even fail stably to clamp, and it is possible to using the average value of multiple data of measurement as the stretcher strain amount of sample, carry
High measurement accuracy.
In addition, the measurement apparatus includes support beam 6, the support beam 6 is provided with the cunning extended along the draw direction
Rail portion 7, first bracket 4 and/or second bracket 5 include the sliding part for being slidably engaged to the slide rail portion 7.Branch
Support beam 6 is that at least one of relatively-stationary part, the first fixture 2 and the second fixture 3 of the stretching clamp can be along drawing
Direction movement is stretched, and one of which can be fixed relatively, such as be fixed in support beam 6.First bracket 4 and/or second
Bracket 5 is sliding engaged in the slide rail portion 7 of support beam 6, improves the stability of slipper, ensures the first bracket 4 slided
And/or second bracket 5 in the stretching direction along rectilinear movement.
Further, the support beam 6 is aligned in the stretching clamp, the phase of the support beam 6 along the draw direction
To both sides be respectively equipped with the slide rail portion 7, first bracket 4 and/or second bracket 5 includes and two slide rails
Portion 7 corresponds two sliding parts of engagement, and two sliding positions are in the both sides of the support beam 6 and pass through elasticity
Connector is pressed against the support beam 6.As shown in figure 1, the two parts of the first bracket 4 including being located at the both sides of support beam 6, this two
Divide and be engaged in respectively by the sliding part in the slide rail portion 7 of support beam 6, two sliding parts are connected by Flexible Connector
Connect, and under the pulling force effect of Flexible Connector, the sliding part can be pressed in the slide rail portion 7.Two cunnings
Rail portion 7 can on the stretching clamp center line it is symmetrical, the first bracket 4 also correspondingly center on the stretching clamp
Line is symmetrical arranged.Second bracket 5 can also be formed as the structure similar to the first bracket 4, not be repeated.
Specifically, the sliding part is provided with rotatable roller 8.Slide rail portion 7 can form the structure coordinated with roller 8,
Roller 8 is limited along straight-line rolling.
In addition, first bracket 4 is connected to first fixture 2 by head rod 9, second bracket 5 is logical
Cross the second connecting rod 10 and be connected to second fixture 3, the head rod 9 and second connecting rod 10 are parallel to described
Draw direction extends, and the heating furnace 1 passes through logical formed with the permission head rod 9 and second connecting rod 10
Hole.Through hole can be formed on the furnace wall of heating furnace 1, it is allowed to which the connecting rod 10 of head rod 9 and second passes through, and ensures to heat
Stove 1 has heating and thermal insulation effect well.
Further, the head rod 9 is arranged in pairs and, institute symmetrical on the central axis of the stretching clamp
The second connecting rod 10 is stated to be arranged in pairs and symmetrical on the central axis of the stretching clamp.Two head rods 9 can be with
It is connected to two parts that first bracket 4 is located at the both sides of support beam 6 so that work of the head rod 9 to the first bracket 4
Firmly more average, the first bracket 4 more can be moved stably along the draw direction, avoid the first bracket 4 from tilting even
Rock.Second bracket 5 is it can also be provided that the structure similar to the first bracket 4, and certainly, the first bracket 4 or the second bracket 5 can be with
Select relatively to fix without movement.
Specifically, first fixture 2 is provided with first boss 11, and it is convex that the head rod 9 is connected to described first
Platform 11, second fixture 3 are provided with second boss 12, and second connecting rod 10 is connected to the second boss 12.In Fig. 1
In, head rod 9 is shown as partly overlapping with the second connecting rod 10, however, as described above, head rod 9 and second
Connecting rod 10 is parallel relation, rather than coincide with one another, the two movement interference is avoided, correspondingly, on the draw direction,
First boss 11 and second boss 12 offset one from another and not lined up.First boss 11 is formed in the side wall of the first fixture 2, is easy to
Head rod 9 is connected, similarly, second boss 12 is formed in the side wall of the second fixture 3, is easy to connect the second connecting rod
10, and head rod 9 can be avoided to interfere with the second fixture 3.
Specifically, first bracket 4 is provided with stop block 13, and the range sensor includes telescopic grating scale 14,
One end of the grating scale 14 is connected to second bracket 5, and the other end presses on the stop block 13.In the He of the first fixture 2
When the collective effect of second fixture 3 stretches sample to be measured, away from each other, grating scale 14 produces for the first bracket 4 and the second bracket 5
Deformation, its deformation quantity is equal to the elongation of tensile sample, by measuring calculating to the deformation quantity of grating scale 14, it can be deduced that
The elongation of tensile sample.
Specifically, the distance between first fixture 2 and second fixture 3 are 3-15mm.The sample deformation
Measurement apparatus can measure the deformation quantity of very little especially suitable for the less tensile sample of size.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing
In this.In range of the technology design of the present utility model, a variety of simple variants can be carried out to the technical solution of the utility model,
It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model
Various combinations of possible ways are no longer separately illustrated.But these simple variants and combination should equally be considered as the utility model institute
Disclosure, belong to the scope of protection of the utility model.
Claims (10)
- A kind of 1. measurement apparatus of sample deformation, it is characterised in that the measurement apparatus include heating furnace (1), stretching clamp and Measurement portion, the stretching clamp be included in the heating furnace (1) along sample draw direction be arranged at intervals and can be along the drawing Direction the first fixture (2) and the second fixture (3) close to each other or remote are stretched, the measurement portion is included outside the heating furnace First bracket (4) and the second bracket (5) in portion, first bracket (4) are connected to first fixture (2) and can follow institute State the first fixture (2) synchronizing moving, second bracket (5) is connected to second fixture (3) and can follow described second Fixture (3) synchronizing moving, the measurement portion also include being used to measure between first bracket (4) and second bracket (5) The range sensor of distance.
- 2. the measurement apparatus of sample deformation according to claim 1, it is characterised in that the measurement apparatus includes multiple institutes State range sensor.
- 3. the measurement apparatus of sample deformation according to claim 2, it is characterised in that the measurement apparatus includes support beam (6), the support beam (6) is provided with the slide rail portion (7) extended along the draw direction, first bracket (4) and/or described Second bracket (5) includes the sliding part for being slidably engaged to the slide rail portion (7).
- 4. the measurement apparatus of sample deformation according to claim 3, it is characterised in that the support beam (6) is along the drawing Stretch direction and be aligned in the stretching clamp, the relative both sides of the support beam (6) are respectively equipped with the slide rail portion (7), described First bracket (4) and/or second bracket (5) include corresponding described in two engaged with two slide rail portions (7) Sliding part, two sliding parts positioned at the both sides of the support beam (6) and are pressed against the branch by Flexible Connector respectively Support beam (6).
- 5. the measurement apparatus of sample deformation according to claim 4, it is characterised in that the sliding part is provided with rotatable Roller (8).
- 6. the measurement apparatus of sample deformation according to claim 4, it is characterised in that first bracket (4) passes through One connecting rod (9) is connected to first fixture (2), and second bracket (5) is connected to described by the second connecting rod (10) Second fixture (3), the head rod (9) and second connecting rod (10) extend parallel to the draw direction, described The through hole that heating furnace (1) passes through formed with the permission head rod (9) and second connecting rod (10).
- 7. the measurement apparatus of sample deformation according to claim 6, it is characterised in that the head rod (9) is paired Set and symmetrical on the center line of the stretching clamp, second connecting rod (10) is arranged in pairs and on the drawing The center line for stretching fixture is symmetrical.
- 8. the measurement apparatus of sample deformation according to claim 7, it is characterised in that first fixture (2) is provided with First boss (11), the head rod (9) are connected to the first boss (11), and second fixture (3) is provided with the Two boss (12), second connecting rod (10) are connected to the second boss (12).
- 9. the measurement apparatus of sample deformation according to claim 1, it is characterised in that first bracket (4) is provided with only Block (13), the range sensor include telescopic grating scale (14), and one end of the grating scale (14) is connected to described Second bracket (5), the other end press on the stop block (13).
- 10. the measurement apparatus of the sample deformation according to any one in claim 1-9, it is characterised in that described first The distance between fixture (2) and second fixture (3) are 3-15mm.
Priority Applications (1)
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CN201720645231.7U CN206740532U (en) | 2017-06-05 | 2017-06-05 | The measurement apparatus of sample deformation |
Applications Claiming Priority (1)
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CN201720645231.7U CN206740532U (en) | 2017-06-05 | 2017-06-05 | The measurement apparatus of sample deformation |
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CN206740532U true CN206740532U (en) | 2017-12-12 |
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CN201720645231.7U Active CN206740532U (en) | 2017-06-05 | 2017-06-05 | The measurement apparatus of sample deformation |
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- 2017-06-05 CN CN201720645231.7U patent/CN206740532U/en active Active
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