CN205537593U - Device for measuring radial deformation of cylindrical test piece - Google Patents
Device for measuring radial deformation of cylindrical test piece Download PDFInfo
- Publication number
- CN205537593U CN205537593U CN201620203957.0U CN201620203957U CN205537593U CN 205537593 U CN205537593 U CN 205537593U CN 201620203957 U CN201620203957 U CN 201620203957U CN 205537593 U CN205537593 U CN 205537593U
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- China
- Prior art keywords
- sensor
- radial deformation
- pillar
- linear displacement
- measurement apparatus
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Abstract
The utility model discloses a device for measuring radial deformation of cylindrical test piece, including base (1), pillar (2), fastening screw (3), sensor location frame (4) and linear displacement sensor (6), install on base (1) pillar (2), sets up sliding guide on the outside of pillar (2), install on the sliding guide of pillar through fastening screw (3) sensor location frame (4), install on sensor location frame (4) linear displacement sensor (6), sensor location frame (4) are one side with notch annular. The utility model has the advantages of simple structure, the error is little, is applicable to the low -intensity material, still solve the installation of actual measurement in -process test piece and dismantled more, problem that the operation is inconvenient consuming time.
Description
Technical field
This utility model relates to materials mechanics experimental field, is specifically related to a kind of cylinder specimen radial deformation measurement apparatus.
Background technology
Cylinder specimen is the standard specimen form of rock mechanics field, the most common in other materials field tests.Test specimen
Radial direction (laterally) strain be requisite for calculating the Poisson's ratio of material and bulk strain.Therefore, cylinder is being carried out
During the uniaxial compression deformation test of test specimen, not only need to measure the axial stress strained situation of test specimen, in addition it is also necessary to obtain test specimen radially
(laterally) deformation.
At present to the cylinder specimen measurement that radially (laterally) deforms, patent ZL201420232646.8 provides one to measure cylinder
The shape test specimen measurement apparatus that radially (laterally) deforms under Uniaxial Compression, this apparatus structure is simple, and measurement error is little, no
Producing active force with test test specimen, do not easily cause specimen fails, the radial direction solving the cylinder specimen that low-intensity material is made is (horizontal
To) dependent variable measurement problem.
But owing to the framework of device described in patent ZL201420232646.8 is annular, limit test operation space, the peace of test specimen
Fill and remove the space being both needed to by device top and carry out, need the top board of forcing press to move longer distance.It is being carried out continuously
When testing in a large number, distance moves the pressing plate of forcing press back and forth needs to expend the more time, and unfavorable to testing machine.
Utility model content
During this utility model solves actual measurement, test specimen is installed and removes problem the most more, unhandy, it is provided that
A kind of measurement cylinder specimen cylinder specimen radial deformation measurement apparatus that radially (laterally) deforms under Uniaxial Compression.
In order to solve above-mentioned technical problem, the technical solution of the utility model is: a kind of cylinder specimen radial deformation measurement apparatus,
Including base, pillar, fastening screw, sensor positioning framework and linear displacement transducer, described pillar is installed on base,
Arranging rail plate on the outside of pillar, described sensor positioning framework is installed on the rail plate of pillar by fastening screw,
Described linear displacement transducer is installed on sensor positioning framework, and described sensor positioning framework is the notched annular in side.
Using base and pillar is the supporting construction mounting platform as whole device, and wherein base guarantees that whole device is stable, and
For pillar provide fixed platform, pillar is vertical with base, and setting be available for sensor positioning framework adjustment upper-lower height slip lead
Rail.
Sensor positioning framework is arranged on the rail plate of pillar, can slide up and down to adjust height on rail plate, and
Being fixed on certain height horizontal plane by fastening screw, during height adjustment, several pillars must keep synchronizing, it is to avoid annular passes
Sensor positioning framework tilts.
As preferably, central angle >=100 degree of breach.
As preferably, the length >=7cm of breach.
To ensure that rock standard specimen (or cylinder specimen of the Φ 50mm of other materials) can pass through nick translation and put into
Measurement apparatus.
As preferably, described linear displacement transducer is three, and axis angle between any two is 120 degree.Make straight-line displacement
The center of circle of sensor orientation sensor positioning framework.
As preferably, described linear displacement transducer is provided with sensor abutment sleeve, so that linear displacement transducer axis
It is in same level.
As preferably, sensor set screw is installed between described linear displacement transducer and sensor abutment sleeve.Use
During use sensor set screw position before and after linear displacement transducer is finely adjusted.
Using technique scheme, in this utility model, the slip that sensor positioning framework is installed on pillar by fixed screw is led
On rail and in side leaving certain gaps uncovered by the economic plan, facilitate the installation of test specimen during test operation and remove.This utility model has simple in construction,
Error is little, it is adaptable to the advantages such as low-intensity material, and during also solving actual measurement, the most more, behaviour is installed and removed to test specimen
The problem making inconvenience.
Accompanying drawing explanation
Fig. 1 is the top view of this utility model cylinder specimen radial deformation measurement apparatus.
In figure, 1-base, 2-pillar, 3-fastens screw, 4-sensor positioning framework, 5-sensor abutment sleeve, 6-straight line
Displacement transducer, 7-sensor set screw.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further.At this it should be noted that for this
The explanation of a little embodiments is adapted to assist in and understands this utility model, but is not intended that restriction of the present utility model.Additionally, below
Just can be mutual as long as technical characteristic involved in described each embodiment of this utility model does not constitutes conflict each other
Combination.
In this utility model, a kind of cylinder specimen radial deformation measurement apparatus, including base 1, pillar 2, fastening screw 3,
Sensor positioning framework 4 and linear displacement transducer 6, pillar 2 is installed on base 1, arranges cunning on the outside of pillar 2
Dynamic guide rail, sensor positioning framework 4 is installed on the rail plate of pillar by fastening screw 3, can be on rail plate on
Lower slider is to adjust height, and is fixed on certain height horizontal plane by fastening screw, and during height adjustment, several pillars are necessary
Keep synchronizing, it is to avoid loop sensor positioning framework tilts.
Linear displacement transducer 6 is installed on sensor positioning framework 4, linear displacement transducer 6 axis angle between any two
It it is 120 degree.In this utility model, sensor positioning framework 4 is the notched annular in side, the central angle of breach and length with
Ensure that rock standard specimen (or cylinder specimen of the Φ 50mm of other materials) can pass through nick translation and put into measurement dress
It is set to standard.
Sensor abutment sleeve 5 is installed, so that linear displacement transducer 6 axis is in same water on linear displacement transducer 6
Plane is also intersected in the center of circle.Sensor set screw 7 is installed between linear displacement transducer 6 and sensor abutment sleeve 5.
During work, cylinder specimen is placed on forcing press lower platen, then by this utility model cylinder specimen radial deformation
Measurement apparatus is placed on outside cylinder specimen, centering, makes this utility model device concentric with cylinder specimen, by sensor posting
Frame is adjusted to certain height, regulates linear displacement transducer the most again so that it is with the surface perpendicular contact of cylinder specimen, test specimen
During deformation, the deformation data that three linear displacement transducers collect is exactly the radial deformation value of cylinder specimen, preferably three numbers
Minima according to is as the measured value of test specimen radial deformation.
After single test terminates, can remove from the test specimen translation after the indentation, there of band breach framework will be destroyed, clean out chip
After, move to next test specimen to be measured the centre of this device, after regulation displacement transducer height and position, carry out next
Secondary test.During follow-on test, it is not required to mobile device framework and pressure plate of press machine.
This utility model has simple in construction, and error is little, it is adaptable to the advantages such as low-intensity material, also solves actual measurement process
Middle test specimen is installed and removes problem the most more, unhandy.
Above in association with accompanying drawing, embodiment of the present utility model is explained in detail, but this utility model is not limited to described reality
Execute mode.For a person skilled in the art, in the case of without departing from this utility model principle and spirit, real to these
The mode of executing carries out multiple change, revises, replaces and modification, still falls within protection domain of the present utility model.
Claims (6)
1. a cylinder specimen radial deformation measurement apparatus, it is characterised in that: include base (1), pillar (2), fastening spiral shell
Silk (3), sensor positioning framework (4) and linear displacement transducer (6), described pillar (2) is installed on base (1),
Arranging rail plate on the outside of pillar (2), described sensor positioning framework (4) is installed on by fastening screw (3) and props up
On the rail plate of post, described linear displacement transducer (6) is installed on sensor positioning framework (4), and described sensor is fixed
Position framework (4) is the notched annular in side.
2. cylinder specimen radial deformation measurement apparatus as claimed in claim 1, it is characterised in that: the center of circle of described breach
Angle >=100 degree.
3. cylinder specimen radial deformation measurement apparatus as claimed in claim 1, it is characterised in that: the length of described breach
≥7cm。
4. a kind of cylinder specimen radial deformation measurement apparatus as according to any one of claim 1-3, it is characterised in that: institute
The linear displacement transducer (6) stated axis angle between any two is 120 degree.
5. a kind of cylinder specimen radial deformation measurement apparatus, it is characterised in that: described straight line
Sensor abutment sleeve (5) is installed, so that linear displacement transducer (6) axis is in same water on displacement transducer (6)
Plane.
6. a kind of cylinder specimen radial deformation measurement apparatus as claimed in claim 5, it is characterised in that: described straight line position
Sensor set screw (7) is installed between displacement sensor (6) and sensor abutment sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620203957.0U CN205537593U (en) | 2016-03-16 | 2016-03-16 | Device for measuring radial deformation of cylindrical test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620203957.0U CN205537593U (en) | 2016-03-16 | 2016-03-16 | Device for measuring radial deformation of cylindrical test piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205537593U true CN205537593U (en) | 2016-08-31 |
Family
ID=56782808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620203957.0U Expired - Fee Related CN205537593U (en) | 2016-03-16 | 2016-03-16 | Device for measuring radial deformation of cylindrical test piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205537593U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941146A (en) * | 2017-11-07 | 2018-04-20 | 浙江大学 | Contactless body structure surface shape test device |
| CN109060045A (en) * | 2018-10-25 | 2018-12-21 | 大连民族大学 | A kind of test specimen inner wall measuring device |
| CN109282767A (en) * | 2018-09-18 | 2019-01-29 | 大连理工大学 | Mobile contactless gas hydrates pipeline blockage cross section profile detection device and equipment |
-
2016
- 2016-03-16 CN CN201620203957.0U patent/CN205537593U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941146A (en) * | 2017-11-07 | 2018-04-20 | 浙江大学 | Contactless body structure surface shape test device |
| CN109282767A (en) * | 2018-09-18 | 2019-01-29 | 大连理工大学 | Mobile contactless gas hydrates pipeline blockage cross section profile detection device and equipment |
| CN109060045A (en) * | 2018-10-25 | 2018-12-21 | 大连民族大学 | A kind of test specimen inner wall measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20180316 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |