CN205691418U - The relaxation device when compression of thin stephanoporate elastomeric material is long - Google Patents
The relaxation device when compression of thin stephanoporate elastomeric material is long Download PDFInfo
- Publication number
- CN205691418U CN205691418U CN201620541293.9U CN201620541293U CN205691418U CN 205691418 U CN205691418 U CN 205691418U CN 201620541293 U CN201620541293 U CN 201620541293U CN 205691418 U CN205691418 U CN 205691418U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- load
- elastomeric material
- top board
- compression
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses relaxation device when a kind of thin stephanoporate elastomeric material compresses long, use circular design, mainly it is made up of base, lower platen, cover plate, lock nut and load bar, wherein base, the framework of cover plate composition rigidity, on the cover board there is fairlead, there are load bar, load bar and fairlead precision-fit at seaming chuck, load；Seaming chuck symmetry has two Ф 8 through holes, and LVDT extensometer can be fixed in Ф 8 through hole of top board, carries out sample strain measurement in loading procedure.This device uses single-point to load, it is achieved bed course is carried out homogeneous compaction loading；Using LVDT extensometer to measure the decrement of bed course, decrement is more accurate；Resistance-type load transducer is positioned between lower platen and base, can measure sample compressive load in real time.Test loads simple, and the rate of loading is fast, integral rigidity framework, it is not necessary to secondary assembles, and once loads, and the test procedure is few.
Description
Technical field
This utility model relates to Experimental Mechanics technical field, is specifically related to pine when a kind of thin stephanoporate elastomeric material compresses long
The measurement apparatus of relaxation rate.
Background technology
Thin stephanoporate elastomeric material belongs to macromolecular material, and macromolecular material has the viscous-elastic behaviours such as lax, creep, its with
Action time is close, and in certain external force and hot environment, material produces lax deformation, and therefore, lax when compressing long is high
One important mechanical property of molecular material is for the material used long-time under high ambient conditions, lax when compressing long
Also it is an important indicator.Sample should be made to keep constant deformation due to lax when compression is long, also to carry out in hot environment
Processing, therefore assay device volume is little, can carry out the test of multiple sample in sweat box simultaneously, and letter to be operated
Single, it is easy to test.
Utility model content
This utility model overcomes the deficiencies in the prior art, it is provided that a kind of for accurately being surveyed by decrement sample
Relaxation device when the thin stephanoporate elastomeric material compression of examination is long.
In view of the problems referred to above of prior art, according to disclosed in this utility model aspect, this utility model uses
Techniques below scheme:
Relaxation device when a kind of thin stephanoporate elastomeric material compression is long, it include base, lower platen, cover plate, lock nut,
Load bar, extensometer, load transducer and top board, described base and cover plate are cylindrical, and described cover plate is arranged at the described end
Seat top, is provided with the cavity of cylinder in described base, described top board is positioned at described load bar lower end and the two is one
Body structure, described lower platen, load bar, top board and load transducer be positioned at described cavity, and described load transducer is positioned at
Below described lower platen, described top board is positioned at above described lower platen, and described lower platen be arranged in parallel with described top board, institute
Stating placement sample between lower platen and described top board, on described cover plate, middle side part arranges a fairlead, described load bar and institute
Stating fairlead to coordinate, described fairlead outer wall arranges external screw thread, and described lock nut coordinates with described external screw thread, described load bar
Upper end arranges the diameter lobe less than load bar main diameter, arranges one for described lobe in the middle part of described lock nut
The hole passed, described in extend and be calculated as two, described top board is symmetrical arranged two through holes, two described extensometers are installed on two
In individual described through hole, described cover plate is run through in described extensometer upper end.
In order to this utility model is better achieved, further technical scheme is:
According to an embodiment of the present utility model, described in extend and be calculated as LVDT extensometer.
According to another embodiment of the present utility model, described load transducer is resistance-type load transducer.
According to another embodiment of the present utility model, described base welds with described cover plate.
According to another embodiment of the present utility model, described base and described cover plate are all stainless steel.
According to another embodiment of the present utility model, the through-hole diameter on described top board is Ф 8mm.
This utility model it may also is that
According to another embodiment of the present utility model, described cover plate is provided for the sector that described extensometer runs through
Hole.
Compared with prior art, one of the beneficial effects of the utility model are:
Relaxation device when a kind of thin stephanoporate elastomeric material compression of the present utility model is long, has: (1) uses circle to set
Meter, single-point loads, it is achieved bed course is carried out homogeneous compaction loading；(2) LVDT extensometer is used to measure the decrement of bed course, compression
It is more accurate to measure；(3) use resistance-type load transducer to measure the compressive load of bed course, the real-time of the long-term relaxation force of bed course can be realized
Measure；(4) device uses integral rigidity framework, simple structure, and test loads simple, and the rate of loading is fast, it is not necessary to secondary assembles, and one
Secondary loading, the test procedure is few.
Accompanying drawing explanation
For clearer explanation present specification embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in the description of prior art, it should be apparent that, the accompanying drawing in describing below is only
It is to the reference of some embodiments in present specification, for those skilled in the art, is not paying creative work
In the case of, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 shows that when the thin stephanoporate elastomeric material compression according to one embodiment of this utility model is long, relaxation device shows
It is intended to.
Fig. 2 shows the base front surface structural representation according to one embodiment of this utility model.
Fig. 3 shows the base plan structure schematic diagram according to one embodiment of this utility model.
Fig. 4 shows the lower platen side structure schematic diagram according to one embodiment of this utility model.
Fig. 5 shows the lower platen bottom surface structure schematic diagram according to one embodiment of this utility model.
Fig. 6 shows the cover plate side structure schematic diagram according to one embodiment of this utility model.
Fig. 7 shows the cover plate plan structure schematic diagram according to one embodiment of this utility model.
Fig. 8 shows the lock nut structural representation according to one embodiment of this utility model.
Fig. 9 shows the load bar structural representation according to one embodiment of this utility model.
Wherein, entitled corresponding to the reference in accompanying drawing:
1-base, 2-lower platen, 3-cover plate, 4-lock nut, 5-load bar, 6-extensometer, 7-sample, 8-
Load transducer, 9-top board, 10-fairlead, 11-lobe, 12-hole.
Detailed description of the invention
Below in conjunction with embodiment, this utility model is described in further detail, but embodiment of the present utility model is not
It is limited to this.
Method of testing lax when the compression of thin stephanoporate material is long is first thin stephanoporate sample to be compressed to certain load,
When deflection reaches setting, keeping this displacement compression amount, under certain humiture environment, measuring load changes over
Relation, stress relaxation rate and the stress relaxation coefficient of sample can be calculated.This test requirements document sample accurate by decrement, smart
Really, and sample is evenly compressed, and also requires that assay device volume is little, lightweight, it is simple to carry out process etc. at sweat box.This reality
With novel test apparatus structure as shown in Fig. 1～Fig. 9, it is slim many that Fig. 1 shows according to one embodiment of this utility model
Relaxation device schematic diagram when hole elastomeric material compression is long, relaxation device when a kind of thin stephanoporate elastomeric material compression is long, it includes
Base 1, lower platen 2, cover plate 3, lock nut 4, load bar 5, extensometer 6, load transducer 8 and top board 9, described base 1
Being cylindrical with cover plate 3, described cover plate 3 is arranged at described base 1 top, is provided with the cavity of cylinder, institute in described base 1
State top board 9 and be positioned at described load bar 5 lower end and the two is structure as a whole, described lower platen 2, load bar 5, top board 9 and
Load transducer 8 is positioned at described cavity, and described load transducer 8 is positioned at below described lower platen 2, and described top board 9 is positioned at
Above described lower platen 2, described lower platen 2 be arranged in parallel with described top board 9, between described lower platen 2 and described top board 9
Placing sample 7, on described cover plate 3, middle side part arranges a fairlead 10, and described load bar 5 coordinates with described fairlead 10, described
Fairlead 10 outer wall arranges external screw thread, and described lock nut 4 coordinates with described external screw thread, and described load bar 5 upper end is arranged always
Footpath less than the lobe 11 of load bar 5 main diameter, arranges one and passes for described lobe 11 in the middle part of described lock nut 4
Hole 12, described extensometer 6 is two, and described top board 9 is symmetrical arranged two through holes, and two described extensometers 6 are installed on two
In individual described through hole, described cover plate 3 is run through in described extensometer 6 upper end.
This device uses circular design, and load bar 5 and top board 9 are integral type structure, and lock nut 4 can be to load bar 5
Loading and lock, when loading load bar 5, the load bar 5 fairlead 10 along cover plate 3 slides, in fairlead 10
Gathering sill, load bar 5 and fairlead 10 precision-fit can be set, it is ensured that top board 9 is the most eccentric, and the upper lower platen depth of parallelism is high,
Then ensure that sample is evenly compressed.
For " convex " type mechanism and the through hole matching design of lock nut 4 of load bar 5, device can realize the testing of materials
Machine loads and manual loading two ways.Material Testing Machine loading can control its loading speed and load and carry out sample directly
Loading, whether manual loading can directly be twisted and be loaded nut, carry out judgement sample by the strain value of extensometer and load and put in place.
The preferable LVDT extensometer of extensometer 6.The preferable resistance-type load transducer of load transducer 8, can be to test pressure
Contracting load is measured in real time.
Symmetrical can offer the through hole of two a diameter of Ф 8 on top board 9, and draw described in being provided on described cover plate 3
Stretching the scallop hole that meter 6 runs through, LVDT extensometer can enter Ф 8 through hole being fixed on top board 9 by the scallop hole on cover plate 3
In, loading procedure carries out sample strain measurement, i.e. can get sample by decrement.
Base 1 and described cover plate 3 all can use stainless steel.Base 1 can be fixing even with described cover plate 3 by welding
Connecing, after welding, globality is strong, and fastening structure the most easily operates, and there is not location and the tolerance issues of junction when secondary assembles.
Owing to base 1 and cover plate 3 form rigid frame by welding manner, it is internal that lower platen 2 is positioned over base 1, due to framework material
For rustless steel, intensity is high, and tested object is porous material, loads force value and is usually no more than 1kN, therefore in loading procedure
Steel framework is basically unchanged shape, and sample loads not impact.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, identical similar portion cross-reference between each embodiment.
" embodiment ", " another embodiment ", " embodiment " spoken of in this manual, etc., refer to knot
Specific features, structure or the feature of closing the description of this embodiment are included at least one embodiment that the application generality describes
In.The most multiple local appearance statement of the same race is not necessarily to refer to same embodiment.Appoint furthermore, it is understood that combine
When one embodiment describes a specific features, structure or feature, to be advocated is, and to combine other embodiments this to realize
Feature, structure or feature also fall in the range of this utility model.
This utility model is described by multiple explanatory embodiment the most of the present utility model, but,
It should be understood that those skilled in the art can be designed that a lot of other amendments and embodiment, these amendment and embodiments
To fall within spirit disclosed in the present application and spirit.More specifically, in disclosure and the scope of claim
In, the building block of theme composite configuration and/or layout can be carried out multiple modification and improvement.Except to building block and/
Or the modification that carries out of layout and outside improving, to those skilled in the art, other purposes also will be apparent from.
Claims (7)
1. relaxation device when thin stephanoporate elastomeric material compression is long, it is characterised in that it include base (1), lower platen (2),
Cover plate (3), lock nut (4), load bar (5), extensometer (6), load transducer (8) and top board (9), described base (1)
Being cylindrical with cover plate (3), described cover plate (3) is arranged at described base (1) top, and described base is provided with cylinder in (1)
Cavity, described top board (9) is positioned at described load bar (5) lower end and the two is structure as a whole, and described lower platen (2), adds
Carry bar (5), top board (9) and load transducer (8) are positioned at described cavity, described load transducer (8) be positioned at described under press
Plate (2) lower section, described top board (9) is positioned at described lower platen (2) top, and described lower platen (2) is parallel with described top board (9)
Arranging, place sample (7) between described lower platen (2) and described top board (9), the upper middle side part of described cover plate (3) arranges one and leads
To set (10), described load bar (5) coordinates with described fairlead (10), and described fairlead (10) outer wall arranges external screw thread, described
Lock nut (4) coordinates with described external screw thread, and described load bar (5) upper end arranges a diameter less than load bar (5) main diameter
Lobe (11), described lock nut (4) middle part arranges one for the hole (12) that described lobe (11) passes, described in extend
Meter (6) is two, and described top board (9) is symmetrical arranged two through holes, two described extensometers (6) be installed on two described logical
In hole, described cover plate (3) is run through in described extensometer (6) upper end.
Thin stephanoporate elastomeric material the most according to claim 1 compression long time relaxation device, it is characterised in that described in extend
Meter (6) is LVDT extensometer.
Relaxation device when thin stephanoporate elastomeric material the most according to claim 1 compression is long, it is characterised in that described load
Sensor (8) is resistance-type load transducer.
Relaxation device when thin stephanoporate elastomeric material the most according to claim 1 compression is long, it is characterised in that described base
(1) weld with described cover plate (3).
Relaxation device when thin stephanoporate elastomeric material the most according to claim 1 compression is long, it is characterised in that described base
(1) with described cover plate (3) be all stainless steel.
Relaxation device when thin stephanoporate elastomeric material the most according to claim 1 compression is long, it is characterised in that described upper pressure
Through-hole diameter on plate (9) is Ф 8mm.
Relaxation device when thin stephanoporate elastomeric material the most according to claim 1 compression is long, it is characterised in that described cover plate
(3) scallop hole that described extensometer (6) runs through it is provided on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620541293.9U CN205691418U (en) | 2016-06-02 | 2016-06-02 | The relaxation device when compression of thin stephanoporate elastomeric material is long |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620541293.9U CN205691418U (en) | 2016-06-02 | 2016-06-02 | The relaxation device when compression of thin stephanoporate elastomeric material is long |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205691418U true CN205691418U (en) | 2016-11-16 |
Family
ID=57259992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620541293.9U Active CN205691418U (en) | 2016-06-02 | 2016-06-02 | The relaxation device when compression of thin stephanoporate elastomeric material is long |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205691418U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593538A (en) * | 2018-04-16 | 2018-09-28 | 中国民航科学技术研究院 | Long span electronic test machine for EMAS cell cube mechanics properties testings |
| CN109030234A (en) * | 2018-09-19 | 2018-12-18 | 中国工程物理研究院化工材料研究所 | The test macro and test method of croop property when a kind of explosive is long |
| CN110068504A (en) * | 2019-06-09 | 2019-07-30 | 河南工业大学 | The device and method that a kind of test grain inside temperature and humidity influences its compression property |
-
2016
- 2016-06-02 CN CN201620541293.9U patent/CN205691418U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593538A (en) * | 2018-04-16 | 2018-09-28 | 中国民航科学技术研究院 | Long span electronic test machine for EMAS cell cube mechanics properties testings |
| CN108593538B (en) * | 2018-04-16 | 2023-11-21 | 中国民航科学技术研究院 | Large-span electronic testing machine for detecting physical performance of EMAS unit |
| CN109030234A (en) * | 2018-09-19 | 2018-12-18 | 中国工程物理研究院化工材料研究所 | The test macro and test method of croop property when a kind of explosive is long |
| CN109030234B (en) * | 2018-09-19 | 2024-03-12 | 中国工程物理研究院化工材料研究所 | System and method for testing long-time creep property of explosive |
| CN110068504A (en) * | 2019-06-09 | 2019-07-30 | 河南工业大学 | The device and method that a kind of test grain inside temperature and humidity influences its compression property |
| CN110068504B (en) * | 2019-06-09 | 2024-01-30 | 河南工业大学 | Device and method for testing influence of internal temperature and humidity of grain on compression characteristics of grain |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2769395C1 (en) | Gradient stress load testing apparatus and method for accurate measurement of load power | |
| CN205691418U (en) | The relaxation device when compression of thin stephanoporate elastomeric material is long | |
| CN103983516B (en) | Method for measuring and calculating poisson ratio of soil body | |
| CN207439813U (en) | A kind of vertical tensile test apparatus containing tencel cloth fixture | |
| CN106248263A (en) | The contact force experiment with measuring device of a kind of granular materials riding chain structure and using method | |
| CN105158070A (en) | Testing method for one-time measurement of tensile modulus and compression modulus of rock | |
| CN208860250U (en) | A kind of construction quality detection device | |
| CN209182151U (en) | A kind of apparent resistivity measuring device in rock damage and failure test | |
| CN104596695B (en) | Loading device for accurately controlling rivet preload of riveting member | |
| CN104296980A (en) | Device and method for testing normal static stiffness characteristics of joint surfaces of shim plate, foundation and foundation bolt of heavy-duty machine tool | |
| CN205826416U (en) | The device of thin stephanoporate elastomeric material compression set | |
| CN103149107B (en) | Method for manually adjusting clamping distance tested by tension tester | |
| CN206546164U (en) | Clutch surface counterbore thickness gauge | |
| CN205049466U (en) | Device of survey concrete and steel bar anchoring bearing capacity | |
| CN207540900U (en) | A kind of band device for measuring force electric-liquid type pressure test machine | |
| CN205749126U (en) | Extensometer method measure apparatus of youngs modulus | |
| CN207540916U (en) | A kind of device for drawing the novel curve of rock core relative hardness | |
| CN203287240U (en) | Test apparatus for mechanical properties of experimental teaching materials | |
| CN202974770U (en) | Young modulus measurer | |
| CN109406396A (en) | A kind of film and basal body binding force manual measurement device | |
| CN105628268B (en) | POS machine safety contact pressure testing system and test method | |
| KR101655566B1 (en) | Apparatus for safety assessement of glass materials and evaluation method thereof | |
| CN207623143U (en) | The intelligent experimental rig that a kind of detection soil body horizontal direction tension is split | |
| CN207423704U (en) | A kind of device for testing tensile force | |
| CN205067231U (en) | Small tensile force measurement device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |