CN207937256U - A kind of Axial extensometer mounting device - Google Patents
A kind of Axial extensometer mounting device Download PDFInfo
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- CN207937256U CN207937256U CN201820063059.9U CN201820063059U CN207937256U CN 207937256 U CN207937256 U CN 207937256U CN 201820063059 U CN201820063059 U CN 201820063059U CN 207937256 U CN207937256 U CN 207937256U
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- strut
- supporting table
- cube frame
- axial extensometer
- carriage
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Abstract
The utility model discloses a kind of Axial extensometer mounting device, including cube frame, two positioning devices for being horizontally placed on the carriage of the intracavity bottom of cube frame and being connected with carriage, carriage includes sliding rail and two sliding parts, two positioning devices are oppositely arranged, positioning device includes strut, supporting table and movable position-limit mechanism, strut is erected on sliding part, supporting table is set in such a way that the length direction progress along strut is movable on strut, the upper surface of supporting table is horizontally disposed, movable position-limit mechanism is set to strut and is abutted against with the lower surface of supporting table, elevation carrection tool is equipped on cube frame, the utility model has convenient, take shorter advantage, the upper ring and a lower ring of Axial extensometer can be met in setting height and the installation requirement of holding level.
Description
Technical field
The utility model is related to rock mechanics experiment fields, more particularly to a kind of Axial extensometer mounting device
Background technology
With the continuous continuous improvement promoted with economic level of china's overall national strength, infrastructure enters high speed development
All there is closely the construction of the engineerings such as excavation of foundation pit, construction of subway, mining in period with the scientific research of all kinds of rock mass
Contact, study of rocks mechanics parameter in all cases and destructive characteristics can more scientifically and more effectively carry out engineering practice.
When carrying out the experiment of correlation properties of rock using electro-hydraulic servo rock three-axis tester, the measurement of deformation is extended using axial
Meter is completed, the specific steps are：Rock sample by coring, cutting, polishing processing and etc. at radius 50mm, the circle of height 100mm
Cylinder, according to the requirement of International Society of Rock Mechanics (ISRM), rock sample both ends irregularity degree is less than 0.05mm.Rock sample is fixed on bottom
On seat, outside is set with chain type circumferential direction extensometer, and Axial extensometer is divided into two parts, has certain thickness metal by two respectively
Annulus forms, and two annulus are respectively upper ring and a lower ring, and it is appropriate that upper ring and a lower ring answers severity to be placed on rock sample or more both sides
The position of height, and the position of mounting hole in upper ring and a lower ring must correspond to, to ensure that metallic rod can be vertically inserted into
In the mounting hole of upper ring and a lower ring, correctness and reliability that Axial extensometer is related to test result can be accurately installed.
Nowadays many scholars carry out experiment of machanics using electro-hydraulic servo rock three-axis tester to rock, but to axial direction
Still man-hour manually hand-held is used to operate on the installation method of extensometer.Several notable problems are brought in this way：(1) man-hour manually hand-held is axial
Extensometer carries out installation on rock sample and easy tos produce angle, height and the deviation of position, and authenticity is obtained to influence test data
And reliability.(2) manual operation takes longer, needs to take ruler on the other hand, adjusts the position of Axial extensometer on the other hand.(3) artificial behaviour
When making, if the installation of lower ring is not achieved level requirement, the installation of the mounting hole and lower ring of ring can not be just made when after upper ring installation
Hole is corresponding.(4) manual operation can not accurately ensure the mounting height of Axial extensometer so that lower ring install it is excessively high or
It is too low to cause the position of ring far from the upper end of rock sample.It is greatly difficult that problem above brings experiment.Therefore, how accurate and square
Just it is the technical issues of being badly in need of solving in rock mechanics experiment to measure Axial extensometer desired height.
For the mounting device specifically for Axial extensometer in Rock Mechanics Test at present almost without.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of installations and installation consumption convenient for Axial extensometer of needle
When it is short, Axial extensometer mounting device to the installation requirement of the upper ring and a lower ring of extensometer can be met.
In order to achieve the above objectives, the solution of the utility model is：
A kind of Axial extensometer mounting device, it is characterised in that：Including cube frame, it is horizontally placed on the cube
The carriage of the intracavity bottom of frame and two positioning devices being connected with the carriage, the carriage include
Sliding rail and two sliding parts, two sliding parts are answered for one or two with two positioning device, two positioning dresses
It sets and is oppositely arranged, the positioning device includes strut, supporting table and movable position-limit mechanism, and the strut is erected on corresponding described
On sliding part, the supporting table is set in such a way that the length direction along the strut is slided on the strut, described
The upper surface of supporting table is horizontally disposed, the activity position-limit mechanism be set on the strut and with the lower surface of the supporting table
It abuts against, elevation carrection tool is equipped on the cube frame.
The strut is screw rod, and the position-limit mechanism is stop nut, and the supporting table is movably set in the screw rod.
The elevation carrection tool is the graduated scale being arranged on the cube frame.
The graduated scale is vertically arranged on the outer surface of the cube frame.
With the above structure, a kind of Axial extensometer mounting device of the utility model has the advantages that：Support
Platform is set in such a way that the length direction progress along strut is movable on strut, and the upper surface of supporting table is horizontally disposed, on strut
It is provided with movable position-limit mechanism, movable position-limit mechanism can limit supporting table moving up and down on strut, to fixed support
Height where platform, positioning device device can be slided along sliding slot, and horizontally disposed two supporting tables are respectively used to support
Two annulus of Axial extensometer, compared to the installation of installation Axial extensometer is more convenient manually, it is shorter to take, can meet Axial extensometer
Upper ring and a lower ring in setting height and keep horizontal installation requirement.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is structural schematic diagram when the utility model is used；
In figure：1. cube frame, 2. carriages, 21. sliding slots, 22. sliding blocks, 3. positioning devices, 31. screw rods, 32. limits
Position nut, 33. horizontal cushion caps, 34. sheet supporting plates, 4. graduated scales, 5. rock samples, 6. pedestals, 7. footstocks, ring, 9. times rings on 8..
Specific implementation mode
In order to which the technical solution of the utility model is explained further, below by specific embodiment come to the utility model into
Row elaborates.
A kind of Axial extensometer mounting device as shown in Figure 1, including cube frame 1, carriage 2 and positioning device
3。
Cube frame 1 is the frame that the cube made of 12 welded steels fills, if cube frame is horizontal positioned
When its length direction be left and right directions, its short transverse is upper and lower directions, its width direction is its front-rear direction, above-mentioned 12 steel
Material surrounds leading flank, trailing flank, left side, right side, upper side and downside, wherein on the outside of the steel of the leading flank
It is welded with the graduated scale 4 for being vertically arranged steel material；In addition leading flank, trailing flank, left side, right side, upper side and downside
Face surrounds the inner cavity of cube frame 1 jointly.
Carriage 2 is set to the intracavity bottom of cube frame 1, and carriage 2 includes sliding rail and two cunnings
Dynamic portion is fixedly installed two pieces of horizontally disposed bar shaped long slabs, the sliding on above-mentioned leading flank and above-mentioned trailing flank
Track is one of the sliding slot 21 being opened on each bar shaped long slab, and 21 level of sliding slot opens up, and two sliding slots 21 are oppositely arranged, the cunning
Dynamic portion is sliding block 22, and the both ends of sliding block 22 carry idler wheel, and the both ends of each sliding block 22 are respectively arranged at two above-mentioned sliding slots 21
It is interior.
Positioning device 3 includes that strut, supporting table and movable position-limit mechanism, two positioning devices 3 are slided with above-mentioned two respectively
Dynamic device 2 connects one to one, and the strut is erected on slide unit 22, and lower end and the slide unit 22 of the strut are detachably connected
Connect or fix welding.
The supporting table is set in such a way that the length direction along the strut is slided on the strut, specifically
, the strut is screw rod 31, and the position-limit mechanism is the stop nut 32 to match with screw rod 31, and the support platform includes
Horizontal cushion cap 33 and the sheet supporting plate 34 being arranged on horizontal cushion cap, the small big round platform under being of horizontal cushion cap 33；Horizontal cushion cap
Offer through-hole on 33 center, the aperture of above-mentioned through-hole is slightly larger than the major diameter of screw rod 31, screw rod 31 be arranged in above-mentioned through-hole from
And horizontal cushion cap 33 is movably set on screw rod 31, sheet supporting plate 34 is fixed in the top surface edge of horizontal cushion cap 32, water
The upper surface of flat cushion cap 33 is generally aligned in the same plane with sheet supporting plate 34.
Stop nut 32 is threadedly coupled with screw rod 31, the following table of the upper surface of stop nut 32 and horizontal cushion cap 33
Face abuts against, and the upper and lower surface of sheet supporting plate 34 is arranged in parallel with horizontal plane.
The utility model has the following advantages that：The leading flank welded bands graduated scale 4 of cube frame 1, to measure
Mounting height where each section of positioning device 3；Carriage 2 is set to the intracavity bottom of cube frame 1, positioning dress
It sets 3 to be set on sliding block 22, positioning device 3 is allow to be slided along the length direction of sliding slot 21 in cube frame 1；Limit
On the screw rod 31 of position 32 mounting and positioning device of nut, the support platform is set on screw rod 31, and stop nut 32 can limit institute
State the height that support platform is located on screw rod 31.
In use, as shown in Fig. 2, by rock by coring, cutting, polishing processing and etc. be processed into radius 50mm, it is high
The rock sample 5 for spending the cylindrical shape of 100mm, rock sample 5 is fixed on pedestal 6, is fixed footstock 7 in the upper end of rock sample 5, is become rock sample
Sample, wherein above-mentioned pedestal 6 and footstock 7 are the fixture in known technology for making rock sample sample, outside above-mentioned rock sample sample
It is arranged Axial extensometer, Axial extensometer is the conventional axial extensometer in known technology, has upper ring 8, lower ring 9 and metal
It is offered on bar, upper ring 8 and lower ring 9 and is positioned over this after the mounting hole being inserted into, upper ring 8 and lower ring 9 for the metallic rod
It is installed in utility model, specifically, between pedestal 6 is placed on two sliding slots 21, mobile two sliding blocks 22 clamp pedestal
6, the scale on reference mark ruler 4 adjusts the stop nut 32 in two positioning device in the position of screw rod 31 to make two respectively
A horizontal cushion cap 33 is located at preset height, and rotate one of them horizontal cushion cap 33 makes sheet supporting plate to ring 8 simultaneously in movement
34 supports, which live in ring 8, keeps environmentally friendly 8 water holding flat, and then moving lower ring 9 while rotating another horizontal cushion cap 33 makes piece thereon
34 support of shape supporting plate ring 9 of staying keeps lower environmentally friendly water holding flat, to complete Axial extensometer lower ring 9 height setting, finally revolve
Turn upper ring 8 and lower ring 9, the mounting hole on ring 8 and lower ring 9 is made to align, the metallic rod is inserted into upper ring 8 and lower ring
In 9 mounting hole, the installation of Axial extensometer is completed, removes sliding block 22 after completing installation, taking-up installs Axial extensometer
Rock sample sample.
The utility model disclosure satisfy that the requirement that Rock Mechanics Test installs Axial extensometer, while ensure axial extend
The requirement of the level and its mounting height of the annulus of meter abandons the previous ruler that manually holds and measures Axial extensometer installation height
The traditional form of degree.The utility model is simple in structure, easy to use.
The product form and style of above-described embodiment and attached drawing and non-limiting the utility model, any technical field
The appropriate changes or modifications that those of ordinary skill does it all should be regarded as the patent category for not departing from the utility model.
Claims (4)
1. a kind of Axial extensometer mounting device, it is characterised in that：Including cube frame, it is horizontally placed on the cube frame
The carriage of the intracavity bottom of frame and two positioning devices being connected with the carriage, the carriage include sliding
Dynamic rail road and two sliding parts, two sliding parts and two positioning devices correspond, two positioning devices
It is oppositely arranged, the positioning device includes that strut, supporting table and movable position-limit mechanism, the strut are erected on the corresponding cunning
In dynamic portion, the supporting table is set in such a way that the length direction along the strut is slided on the strut, the branch
The upper surface for supportting platform is horizontally disposed, and the activity position-limit mechanism is set to the lower surface phase on the strut and with the supporting table
It abuts, elevation carrection tool is equipped on the cube frame.
2. a kind of Axial extensometer mounting device as described in claim 1, it is characterised in that：The strut is screw rod, described
Position-limit mechanism is stop nut, and the supporting table is movably set in the screw rod.
3. a kind of Axial extensometer mounting device as described in claim 1, it is characterised in that：The elevation carrection tool is to set
Set the graduated scale on the cube frame.
4. a kind of Axial extensometer mounting device as claimed in claim 3, it is characterised in that：The graduated scale is vertically arranged in
On the outer surface of the cube frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820063059.9U CN207937256U (en) | 2018-01-15 | 2018-01-15 | A kind of Axial extensometer mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820063059.9U CN207937256U (en) | 2018-01-15 | 2018-01-15 | A kind of Axial extensometer mounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207937256U true CN207937256U (en) | 2018-10-02 |
Family
ID=63649207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820063059.9U Active CN207937256U (en) | 2018-01-15 | 2018-01-15 | A kind of Axial extensometer mounting device |
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| Country | Link |
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| CN (1) | CN207937256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088735A (en) * | 2018-01-15 | 2018-05-29 | 华侨大学 | A kind of Axial extensometer erecting device |
| CN111442971A (en) * | 2020-05-09 | 2020-07-24 | 华侨大学 | Positioning device and positioning method for axial deformation extensometer |
-
2018
- 2018-01-15 CN CN201820063059.9U patent/CN207937256U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088735A (en) * | 2018-01-15 | 2018-05-29 | 华侨大学 | A kind of Axial extensometer erecting device |
| CN111442971A (en) * | 2020-05-09 | 2020-07-24 | 华侨大学 | Positioning device and positioning method for axial deformation extensometer |
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