CN103439198B - A kind of weak coal petrography material shear creep test device - Google Patents
A kind of weak coal petrography material shear creep test device Download PDFInfo
- Publication number
- CN103439198B CN103439198B CN201310401744.XA CN201310401744A CN103439198B CN 103439198 B CN103439198 B CN 103439198B CN 201310401744 A CN201310401744 A CN 201310401744A CN 103439198 B CN103439198 B CN 103439198B
- Authority
- CN
- China
- Prior art keywords
- load
- posting
- transfer mechanism
- load transfer
- maintainer
- 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.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 239000003245 coal Substances 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 title claims abstract description 22
- 238000012546 transfer Methods 0.000 claims abstract description 27
- 238000012544 monitoring process Methods 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 238000013480 data collection Methods 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000011435 rock Substances 0.000 abstract description 2
- 238000010008 shearing Methods 0.000 abstract 1
- 238000011160 research Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of weak coal petrography material shear creep test device, comprise load maintainer, load transfer mechanism, dead load mechanism, monitoring system, frame; Described load maintainer and load transfer mechanism lead to male and fomale(M&F) and contact, rigid cylindrical is had between described load transfer mechanism and dead load mechanism, described monitoring system is fixed on load transfer mechanism, is connected with dynamic measuring system, and described frame supports dead load mechanism and load maintainer.This test unit has light structure, stable load, data monitoring precision high; This equipment can complete the experimental study of the mechanical characteristic such as shearing, shear creep of weak coal and rock respectively from grand thin sight two angles.
Description
Technical field
The present invention relates to weak coal and rock shear creep test technical field of measurement and test, particularly relate to a kind of weak coal petrography material shear creep test device.
Background technology
The grand mesomechanics characteristic of coal petrography material and its occur under external force grand thin see be out of shape and the change of internal microstructure closely related.Shear and the shear creep attribute testing research research coal petrography material impact that the growth of its internal microstructure, development, scale expansion, change of properties etc. produce coal petrography material damage in shear failure process exactly.The loading system of existing coal rock-like material shear creep attribute testing equipment relies on external pressure machine, there is the shortcomings such as creep loading instability, complex structure, precision deficiency, makes experimental study very inconvenient.In addition, existing coal rock-like material shear creep test equipment can not realize integration to internal structure change in its creep process, dynamically carefully see monitoring in real time, be difficult to the gradually distortion process monitoring coal rock-like material, cannot from the mechanical characteristic Evolution of Study on Coal rock-like material while of grand, thin sight two angles.
Summary of the invention
The technical matters that the present invention solves is the deficiency making up existing testing equipment, simplified apparatus structure, realizes grand, the thin combination seeing research, realizes dynamic realtime monitoring, and improves the practicality of testing equipment.
In order to overcome the above problems, design of the present invention is:
A kind of weak coal petrography material shear creep test device, mainly comprises load maintainer, load transfer mechanism, dead load mechanism, mechanism for monitoring and frame.Described load maintainer, load transfer mechanism, dead load mechanism are arranged in frame, and load transfer mechanism is assemblied on the load maintainer of bottom.Dead load mechanism is positioned on load transfer mechanism.Described mechanism for monitoring is fixed on load transfer mechanism.
One of the present invention weak coal petrography material shear creep test device, achieves system independent loads, unloading by load maintainer; By dead load mechanism, load suffered by test specimen can realize relative constancy under small deformation; Small-sized microcosmic monitoring arrangement in mechanism for monitoring achieves coal rock-like material at the record by micro-crack evolution condition under shear-type load; By high-precision digital-display measurement mechanism and the data acquisition software worked out voluntarily, achieve the mobilism monitoring of coal rock-like material detrusion; This test unit can realize the laboratory examination research of coal rock-like material shear creep characteristic, is that a kind of structure is simple, the experimental facilities of high precision, high reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the left view (removal frame) of Fig. 1.
Mark in figure:
1, load maintainer; 2, posting bed die; 3, posting mold; 4, circle rolls part; 5, load transfer mechanism; 6, pressure transmission plate; 7, constant voltage ring; 8, web joint; 9, bolt; 10, dead load mechanism; 11, fixed support; 12, digital display measuring equipment; 13, microcosmic supervising device; 14, mechanism for monitoring; 15, bearing bottom plate; 16, pressure-bearing top board; 17, bracing frame; 18, nut; 19, sounding rod; 20, magnet base.
Embodiment
When considered in conjunction with the accompanying drawings, by referring to detailed description below, understanding the present invention that can be more complete and more easily learn wherein other advantages many, but accompanying drawing described herein is used to provide a further understanding of the present invention, form a part of the present invention, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.
For enabling above-mentioned purpose, feature and advantage more obvious, understandable, below in conjunction with Fig. 1-2 and embodiment, the present invention is further detailed explanation:
The present invention is a kind of weak coal petrography material shear creep test device, mainly comprises load maintainer 1, load transfer mechanism 5, dead load mechanism 10, mechanism for monitoring 14 and frame.Described load maintainer 1, load transfer mechanism 5, dead load mechanism 10 are arranged in frame.Load transfer mechanism 5 is assemblied on the load maintainer 1 of bottom.Dead load mechanism 10 is positioned on load transfer mechanism 5, between be provided with rigidity circle roll part 4.Described mechanism for monitoring 14 is fixed on load transfer mechanism 5.
Described frame is made up of the bracing frame 17 of both sides, the pressure-bearing top board 16 that is fixedly mounted on the bearing bottom plate 15 bottom bracing frame 17 and is assemblied in bracing frame 17 top; Pressure-bearing top board 16 is fixed tightly on bracing frame 17 by nut 18.
Described load maintainer 1 is placed in the centre on bearing bottom plate 15.Preferred as one, load maintainer 1 is high precision numerical control hydraulic loading device.There is at load maintainer 1 upper surface center a projection.
Described load transfer mechanism 5 comprises posting bed die 2, posting mold 3; Posting bed die 2 lower surface center is provided with a groove matched with the projection on load maintainer 1; Load maintainer 1 and posting bed die 2 by male and fomale(M&F) contact free, and align with bearing bottom plate 15 center.Described posting mold 3 is the oblique angle mould with fixed angle with described posting bed die 2, between posting bed die 2 and the oblique angle mould of posting mold 3, lay subjects.
Described dead load mechanism 10 comprises constant voltage ring 7, pressure transmission plate 6 and web joint 8.Web joint 8 passes through bolt 9 by fastening bottom constant voltage ring 7 with pressure transmission plate 6, and constant voltage ring 7 top is threaded connection on pressure-bearing top board 16 up.Preferred as one, described constant voltage ring is elastic circular ring.Circle rolls part 4 and is freely emitted on posting mold 3 upper surface, and with pressure transmission plate 6 contact free.Preferred as one, it is steel roller that described rigidity circle rolls part.
Described mechanism for monitoring 14 comprises digital display measuring equipment 12 and microcosmic supervising device 13, and digital display measuring equipment 12 is provided with sounding rod 19.Mechanism for monitoring 14 is fixed on load transfer mechanism 5 by stationary installation.Preferred as one, described stationary installation forms a multi-function magnetic seat support by fixed support 11 and magnet base 20.Fixed support 11 relies on magnet base 20 sorption on posting bed die 2 surface of load transfer mechanism 5, and is connected by fixture with digital display measuring equipment 12 and microcosmic supervising device 13.During work, digital display measuring equipment 12, by sounding rod 19 and posting mold 3 surface contact, measures the macroscopic deformation amount of subjects, automatic data collection.Fine sight supervising device 13 is arranged in height level identical with subjects by fixed support 11, sees angle real-time dynamic surveillance experimental subjects internal crack evolution properties from thin.The variable quantity that digital display measuring equipment 12 and microcosmic supervising device 13 detect, be connected with dynamic measuring system and computer (do not belong to content of the present invention, do not show in figure).
During the one weakness coal petrography material shear creep test device specific works that the present invention relates to, coal petrography material test specimen is placed between posting bed die 2 and posting mold 3, suitable rising load maintainer 1, makes load maintainer 1 roll part 4 and posting mold 3 and pressure transmission plate 6 close contact with posting bed die 2 close contact, posting bed die 2 and posting mold 3 and coal petrography material test specimen close contact, circle; By regulating fixed support 11, make the sounding rod 19 of digital display measuring equipment 12 vertical, the other end contacts with posting mold 3.Simultaneously by regulating fixed support 11, fine sight supervising device 13 is made to be in correct position, monitoring experiment object internal crack dynamic evolution.By raising load maintainer 1 gradually, increasing shear-type load suffered by test specimen, the deflection of the test specimen of dynamic monitoring simultaneously and the dynamic evolution in test specimen crack, realizing the dynamic monitoring research of coal rock-like material shear failure characteristic.
As mentioned above, embodiments of the invention are explained, but as long as do not depart from inventive point of the present invention in fact and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation is also all included within protection scope of the present invention.
Claims (6)
1. a weak coal petrography material shear creep test device, is characterized in that: mainly comprise load maintainer, load transfer mechanism, dead load mechanism, mechanism for monitoring and frame; Described load maintainer, load transfer mechanism, dead load mechanism are arranged in frame, and load transfer mechanism is assemblied on the load maintainer of bottom; Dead load mechanism is positioned on load transfer mechanism; Dead load mechanism comprises constant voltage ring, pressure transmission plate and web joint; Web joint and pressure transmission plate are by bolt by fastening bottom constant voltage ring, and constant voltage ring top is threaded connection on pressure-bearing top board up; Described constant voltage ring is elastic circular ring; Described mechanism for monitoring is fixed on load transfer mechanism; Described load maintainer is numerical control hydraulic charger; Load maintainer is placed in the centre on bearing bottom plate, has a projection at load maintainer upper surface center; Described load transfer mechanism comprises posting bed die, posting mold; Posting bed die lower surface center is provided with a groove matched with the projection on load maintainer; Load maintainer and posting bed die by male and fomale(M&F) contact free, and align with bearing bottom plate center; Described posting mold and described posting bed die are the oblique angle mould with fixed angle; Subjects is laid between posting bed die and the oblique angle mould of posting mold.
2. test unit according to claim 1, is characterized in that: described frame is made up of the bracing frame of both sides, the pressure-bearing top board that is fixedly mounted on the bearing bottom plate bottom bracing frame and is assemblied in bracing frame top; Pressure-bearing top board is fixed tightly on bracing frame by nut.
3. test unit according to claim 1, is characterized in that: between dead load mechanism and load transfer mechanism, be provided with rigidity circle roll part; Described rigidity circle rolls part and is freely emitted on posting mold upper surface, and with pressure transmission plate contact free.
4. test unit according to claim 3, is characterized in that: it is steel roller that described circle rolls part.
5. test unit according to claim 1, is characterized in that: described mechanism for monitoring comprises digital display measuring equipment and microcosmic supervising device, and mechanism for monitoring is fixed on load transfer mechanism by stationary installation; Digital display measuring equipment is provided with sounding rod; Described stationary installation forms a multi-function magnetic seat support by fixed support and magnet base; Fixed support relies on magnet base sorption in the posting bottom mold surface of load transfer mechanism, and is connected by fixture with digital display measuring equipment and microcosmic supervising device.
6. test unit according to claim 5, is characterized in that: during work, described digital display measuring equipment is contacted with posting top mold surface by sounding rod, measures the macroscopic deformation amount of subjects, automatic data collection; Fine sight supervising device is arranged in height level identical with subjects by fixed support, sees angle real-time dynamic surveillance experimental subjects internal crack evolution properties from thin; The variable quantity that digital display measuring equipment and microcosmic supervising device detect, is connected with dynamic measuring system and computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310401744.XA CN103439198B (en) | 2013-09-06 | 2013-09-06 | A kind of weak coal petrography material shear creep test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310401744.XA CN103439198B (en) | 2013-09-06 | 2013-09-06 | A kind of weak coal petrography material shear creep test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103439198A CN103439198A (en) | 2013-12-11 |
| CN103439198B true CN103439198B (en) | 2016-02-17 |
Family
ID=49692898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310401744.XA Expired - Fee Related CN103439198B (en) | 2013-09-06 | 2013-09-06 | A kind of weak coal petrography material shear creep test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103439198B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191313B (en) * | 2014-08-26 | 2017-03-01 | 广东工业大学 | Sheet metal circle shear cutting processing three-dimensional force measuring device and its method |
| CN104458446B (en) * | 2014-12-10 | 2017-01-11 | 中国科学院工程热物理研究所 | Device and method for testing shearing characteristics of non-metallic materials |
| CN108931436B (en) * | 2018-06-01 | 2021-02-26 | 陕西省地质环境监测总站 | Eccentric loading and shear creep combined action test device for soft rock |
| CN117606908B (en) * | 2023-12-08 | 2024-05-07 | 中山大学 | Concrete test device and method based on load-corrosion coupling effect |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101105432A (en) * | 2007-06-13 | 2008-01-16 | 长安大学 | Cutting creep instrument |
| CN102116721A (en) * | 2010-01-04 | 2011-07-06 | 中国科学院地质与地球物理研究所 | Rock shear creep testing system capable of cyclic pulling and pressing fluctuating load |
| CN102297812A (en) * | 2011-05-20 | 2011-12-28 | 长安大学 | Torsional shear test device for asphalt pavement material and structure |
-
2013
- 2013-09-06 CN CN201310401744.XA patent/CN103439198B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101105432A (en) * | 2007-06-13 | 2008-01-16 | 长安大学 | Cutting creep instrument |
| CN102116721A (en) * | 2010-01-04 | 2011-07-06 | 中国科学院地质与地球物理研究所 | Rock shear creep testing system capable of cyclic pulling and pressing fluctuating load |
| CN102297812A (en) * | 2011-05-20 | 2011-12-28 | 长安大学 | Torsional shear test device for asphalt pavement material and structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103439198A (en) | 2013-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103439198B (en) | A kind of weak coal petrography material shear creep test device | |
| CN102749169B (en) | Simple and easy pressure calibration device of annular pressure sensor | |
| CN104180750B (en) | Accurate tester of superconductive-bulk magnetic-repulsion under micro gap and test method thereof | |
| CN103954262A (en) | Device for measuring radial deformation of cylindrical test piece | |
| CN106546492B (en) | A kind of Rock And Soil large scale original position triaxial creep test system | |
| CN204807396U (en) | It changes device to show behind test cell -phone screen pressurized | |
| CN103148822A (en) | Multipoint thickness measuring device and usage method thereof | |
| CN207132827U (en) | A kind of bearing roller detection means | |
| CN203949656U (en) | A kind of cylinder specimen radial deformation measurement mechanism | |
| CN203785964U (en) | Digital portable press | |
| CN210427198U (en) | Multifunctional test platform device | |
| CN203432801U (en) | Performance test experiment table for static-pressure gas antithrust bearing | |
| CN203502308U (en) | Shear creep test device for soft coal and rock material | |
| CN103913384A (en) | Axial rigidity measuring apparatus of ball screw assembly | |
| CN201795762U (en) | Roundness measuring instrument | |
| CN106644329B (en) | 120MN bridge support testing machine for high-precision dynamic measurement | |
| CN202886200U (en) | Medium-sized rock-servo-controlled true triaxial test device | |
| CN202582983U (en) | Mobile beam locking device of compression testing machine | |
| CN101629797A (en) | Instrument for measuring one-side bulge quantity of bearing | |
| CN204007580U (en) | Steering column phasing degree testing agency | |
| CN103398805B (en) | Three-dimensional nanometer measurement head elastically supported by spiral leaf spring | |
| CN108195249B (en) | Hole location detecting tool | |
| CN203249614U (en) | Compression deformation measuring device | |
| CN203287264U (en) | Micro-structure mechanical property piece external-bending testing device | |
| CN201476776U (en) | Instrument for measuring single-sided convex value of bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20180906 |