CN207923861U - Two-dimensional physical analog simulation test platform - Google Patents
Two-dimensional physical analog simulation test platform Download PDFInfo
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- CN207923861U CN207923861U CN201820261692.9U CN201820261692U CN207923861U CN 207923861 U CN207923861 U CN 207923861U CN 201820261692 U CN201820261692 U CN 201820261692U CN 207923861 U CN207923861 U CN 207923861U
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- chamber
- angle control
- simulation test
- analog simulation
- dimensional physical
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Abstract
The utility model discloses a kind of two-dimensional physical analog simulation test platforms, including pedestal, chamber, tilt angle control, strain gauge, stress collector and stress acquisition and analysis instrument；The chamber is set to the base top, described chamber one end is rotatably connected with the pedestal, the chamber other end is connect with the tilt angle control, the strain gauge is set to inside the chamber, the strain gauge is connect with the stress collector, and the stress collector is connect with the stress acquisition and analysis instrument；Two-dimensional physical analog simulation test platform provided by the utility model can realize that automation adjusts the angle, have convenient, accurate advantage.
Description
Technical field
The utility model is related to simulation test device technical fields, are tested more particularly to a kind of two-dimensional physical analog simulation
Platform.
Background technology
Two-dimensional physical analog simulation experiment is mainly used for study coal petrography in mining active process, overlying rock be caving form and
Changing rule；The influence etc. that overlying strata crack develops to On The Characters of Methane Seepage.And theoretical, rule is used for simulated coal mine by it,
To realize safe efficient exploitation.
Under conditions of not considering gas adsorption, there are mainly of two types for the experiment of two-dimensional physical analog simulation：One is not
Two-dimensional physical similarity simulation experiment containing inclination angle, another kind are that have the two-dimensional physical analog simulation at inclination angle to test.
Currently, inclination angle control aspect mainly using manual control method.This method is mainly：It is flat in experiment
One end of platform is fixed, then that the other end is padded, and the number of degrees are tilted by the bevel protractor manual control of fixed point.Another method
It is exactly：Test platform is first placed into level, then measures height of the platform floor away from ground with tape measure；Then by experiment porch one
End is fixed, and the other end is padded, and the height risen by the other end utilizes trigonometric function with difference in level and the length of bottom plate
Calculate angle.
The method of manual control angle has certain defect, and the method for controlling inclination angle using bevel protractor, bevel protractor is difficult to solid
It is fixed, cause resultant error larger and adjustable height control difficulty cannot be accurately controlled in greatly the inclination angle that experiment is set.Triangle letter
Number calculating method is since there are large errors in measurement process, it is also possible to cause error of tilt larger.
Therefore, it is susceptible to error of tilt with the presence of the experiment of the two-dimensional physical analog simulation at inclination angle at present, experiment is caused to tie
The inaccurate disadvantage of fruit.
Utility model content
The purpose of this utility model is to provide a kind of two-dimensional physical analog simulation test platform, to solve the above-mentioned prior art
There are the problem of, can realize automation adjust the angle, have convenient, accurate advantage.
To achieve the above object, the utility model provides following scheme：
The utility model provides a kind of two-dimensional physical analog simulation test platform, including pedestal, chamber, pitch angle control system
System, strain gauge, stress collector and stress acquisition and analysis instrument；The chamber is set to the base top, the examination
Tryoff one end is rotatably connected with the pedestal, and the chamber other end is connect with the tilt angle control, the stress
Sensor is set to inside the chamber, and the strain gauge is connect with the stress collector, the stress collector
It is connect with the stress acquisition and analysis instrument；
The tilt angle control includes motor, leading screw and pitch angle control device, and the motor is set to the base top,
The leading screw is connect with the output end of the motor, and the motor is connect with the pitch angle control device, the leading screw and the examination
Tryoff is threadedly coupled.
Preferably, the chamber includes bottom plate, column and horizontal steel bar, and there are two the column settings, and two described vertical
Column is respectively arranged at both ends at the top of the bottom plate, and the horizontal steel bar is provided with two groups, and horizontal steel bar described in one group is removably connected to
Between the front side wall of two columns, horizontal steel bar described in another group be removably connected to two columns rear end side wall it
Between.
Preferably, described bottom plate one end is provided with a hinged block for carrying hinge hole, and the hinged block passes through the pedestal
The shaft of upper setting is hinged with the pedestal, and the bottom plate other end is provided with an elevator, and spiral shell is provided on the elevator
Pit, the elevator are connect by the threaded hole with the threads of lead screw.
Preferably, the strain gauge is set to the chamber bottom.
Preferably, it is additionally provided with angle tester in the chamber.
Preferably, the first measurement steel ruler is horizontally arranged in the front end side wall of the bottom plate, one of them column
The second measurement steel ruler is vertically provided in front end side wall.
Preferably, the pedestal includes the supporting rack that two bottoms carry universal wheel, activity between two support frames as described above
It is connected with connecting rod.
Preferably, limiter, the limiter and the elevator phase are additionally provided at the top of one of support frame as described above
To setting.
Preferably, the pitch angle control device includes bracket base and pitch angle control case, and the pitch angle control case is set to institute
It states at the top of bracket base, angle indicator, angle control handle and angle indicator light is provided on the pitch angle control case.
The utility model achieves following advantageous effects compared with the existing technology：
Two-dimensional physical analog simulation test platform provided by the utility model, by the way that tilt angle control is arranged, using electricity
Machine is power output source, and motor output end connects a leading screw, and chamber one end is connect with threads of lead screw, by controlling the defeated of motor
Go out revolution, driving leading screw rotates accordingly, generates inclination angle to drive chamber to rise, realizes inside accurate Adjustment Tests case
The angle of inclination of coal petrography test model can realize chamber automation pitch angle control, and experiment process is more convenient, test data
It is more accurate.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without having to pay creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of two-dimensional physical analog simulation test platform in the utility model；
Fig. 2 is the forward structure schematic diagram of chamber in the utility model；
Fig. 3 is the right side structure schematic diagram of chamber in the utility model；
In figure：1- pedestals, 2- chambers, 3- stress collector, 4- stress acquisition and analysis instrument, 5- motors, 6- leading screws, 7- incline
Angle controller, 8- bottom plates, 9- columns, the horizontal steel bars of 10-, 11- hinged blocks, 12- shafts, 13- elevators, 14- angle testers,
15- first measures steel ruler, 16- second measures steel ruler, 17- universal wheels, 18- supporting racks, 19- connecting rods, 20- limiters, 21- holders
Pedestal, 22- pitch angle control casees.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The purpose of this utility model is to provide a kind of two-dimensional physical analog simulation test platform, to solve prior art presence
The problem of.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
The present embodiment provides a kind of two-dimensional physical analog simulation test platforms, as shown in Figs. 1-3, including pedestal 1, chamber
2, tilt angle control, strain gauge, stress collector 3 and stress acquisition and analysis instrument 4；Chamber 2 is set to the top of pedestal 1
Portion, 2 one end of chamber are rotatably connected with pedestal 1, and 2 other end of chamber is connect with tilt angle control, and strain gauge is set
It is placed in inside chamber 2, strain gauge is connect with stress collector 3, and stress collector 3 is connect with stress acquisition and analysis instrument 4；
In the present embodiment, tilt angle control includes motor 5, leading screw 6 and pitch angle control device 7, and motor 5 is set to pedestal 1
Top, motor 5 are specially a stepper motor, and leading screw 6 is connect with the output end of motor 5, and motor 5 is connect with pitch angle control device 7, silk
Thick stick 6 is threadedly coupled with chamber 2；Wherein, chamber 2 includes bottom plate 8, column 9 and horizontal steel bar 10, and there are two the settings of column 9, and two
A column 9 is respectively arranged at 8 top both ends of bottom plate, and horizontal steel bar 10 is provided with two groups, and one group of horizontal steel bar 10 is removably connected to two
Between the front side wall of a column 9, another group of horizontal steel bar 10 is removably connected between the rear end side wall of two columns 9；Horizontal steel bar
10 can be preferably channel steel, and be attached by bolt with column 9.The setting of horizontal steel bar 10 is to build coal petrography examination
When testing model, model surface is protected, and prevents coal petrography test model surface irregularity, influences test effect；Right side
Column 9 can be selected as " rich " font structure, convenient on the model for the testing stand upper pillar stand side put up, being arranged high-order brill
It tests in hole.
In order to realize that chamber 2 can generate inclination angle relative to bottom plate 8, in the present embodiment, one band is set in 8 one end of bottom plate
There is the hinged block 11 of hinge hole, hinged block 11 is hinged by the shaft 12 and pedestal 1 being arranged on pedestal 1, the setting of 8 other end of bottom plate
There is an elevator 13, threaded hole is provided on elevator 13, elevator 13 is threadedly coupled by threaded hole with leading screw 6；Due to spiral shell
Line connects, and leading screw 6 generates rotation, and elevator 13 can be along lifting moving on leading screw 6.
In the present embodiment, strain gauge is set to 8 top (not shown) of bottom plate, and strain gauge is for measuring coal
Under rock test model mining influence, the stress variation situation of overlying rock, and stress variation situation is transferred to stress acquisition
Device 3, and then corresponding test data is obtained on stress acquisition and analysis instrument 4.
In specific application, the strain gauge in the present embodiment uses CL-YB-137 load cells (size 14cm
×1cm×1.5cm)；Stress collector 3 is 128 channel data Acquisition Instrument of AD-128 types, and using 16 A/D resolution ratio
And the sampling rate of 250K, optionally connected line terminals or aerial plug-in unit sensor connecting interface, it is in working power
Input signal under AC220V/50Hz：10~20mV is equipped with dedicated upper computer software：Show real-time measurement values and curve；It can be single
The automatic continuous storage measurement data in secondary storage measurement data or according to set time interval；Inquired with historical data and curve,
The functions such as data export, transducer calibration calibration.
In the present embodiment, it is additionally provided with angle tester 14 in chamber 2, is capable of the angle of real-time testing chamber 2
Variation.
The first measurement steel ruler 15 is horizontally arranged in the front end side wall of the present embodiment bottom plate 8, before one of column 9
The second measurement steel ruler 16 is vertically provided on the wall of end side；It is convenient that the overlying strata crack evolution condition of coal petrography test model is intuitively surveyed
Amount and later stage crack, which develop, tests the crack positioning analysis of picture.
In the present embodiment, pedestal 1 includes the supporting rack 18 that two bottoms carry universal wheel 17, is lived between two supporting racks 18
It is dynamic to be connected with connecting rod 19；The connecting rod 19 that different length can be needed replacing according to experiment, obtains various sizes of test platform.Its
In 18 top of supporting rack be provided with limiter 20, limiter 20 is oppositely arranged with elevator 13, when chamber 2 declines,
Limiter 20 can protect equipment and its safety of user.
In the present embodiment, pitch angle control device 7 includes bracket base 21 and pitch angle control case 22, and pitch angle control case 22 is set to
At the top of bracket base 21, angle indicator, angle control handle and angle indicator light are provided on pitch angle control case 22；This implementation
The angle of inclination that chamber 2 is shown on angle indicator in example, can be realized angle gear by turning angle control handle
It adjusts, angle display lamp is used to prompt the operating status of chamber 2.
The test method for the two-dimensional physical analog simulation test platform that above-described embodiment provides is as follows：
Step 1: adjusting angle by the angle control handle on angle controller, it is transferred to the angle value of needs, angle control
Device control motor 5 processed is run, and motor 5 drives leading screw 6 to rotate, and elevator 13 is made to rise to corresponding angle along leading screw 6；
Step 2: building coal petrography test model inside chamber 2, connected in two columns, 9 front of and behind when building
Horizontal steel bar 10 is protected；
Step 3: after the completion of test model is built, horizontal steel bar 10 is dismantled, dries coal petrography test model；
Step 4: after coal petrography test model dries, in 9 front installation poly (methyl methacrylate) plate of column；
Step 5: chamber is adjusted to horizontal by angle controller, carrying out simulation to coal petrography test model adopts, leads to
The stress variation of overlying rock under the corresponding inclination angle of overstress sensor measurement, and observe in stress acquisition and analysis instrument 4 and answering accordingly
Power changes, and obtains test data.
The utility model applies specific case and is expounded to the principles of the present invention and embodiment, the above reality
The explanation for applying example is merely used to help understand the method and its core concept of the utility model；Meanwhile for the general of this field
Technical staff, according to the thought of the utility model, there will be changes in the specific implementation manner and application range.To sum up,
The content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. a kind of two-dimensional physical analog simulation test platform, it is characterised in that：Including pedestal, chamber, tilt angle control, answer
Force snesor, stress collector and stress acquisition and analysis instrument；The chamber is set to the base top, the chamber one
End is rotatably connected with the pedestal, and the chamber other end is connect with the tilt angle control, the strain gauge
Be set to inside the chamber, the strain gauge is connect with the stress collector, the stress collector with it is described
Stress acquisition and analysis instrument connects；
The tilt angle control includes motor, leading screw and pitch angle control device, and the motor is set to the base top, described
Leading screw is connect with the output end of the motor, and the motor is connect with the pitch angle control device, the leading screw and the chamber
It is threadedly coupled.
2. two-dimensional physical analog simulation test platform according to claim 1, it is characterised in that：The chamber includes bottom
Plate, column and horizontal steel bar, there are two the column settings, and two columns are respectively arranged at both ends at the top of the bottom plate, institute
It states horizontal steel bar and is provided with two groups, horizontal steel bar described in one group is removably connected between the front side wall of two columns, another group
The horizontal steel bar is removably connected between the rear end side wall of two columns.
3. two-dimensional physical analog simulation test platform according to claim 2, it is characterised in that：Bottom plate one end setting
There is a hinged block for carrying hinge hole, the hinged block is hinged by the shaft being arranged on the pedestal and the pedestal, described
The bottom plate other end is provided with an elevator, is provided with threaded hole on the elevator, the elevator by the threaded hole with
The threads of lead screw connection.
4. two-dimensional physical analog simulation test platform according to claim 3, it is characterised in that：The strain gauge is set
It is placed in the chamber bottom.
5. two-dimensional physical analog simulation test platform according to claim 4, it is characterised in that：It is also set in the chamber
It is equipped with angle tester.
6. two-dimensional physical analog simulation test platform according to claim 5, it is characterised in that：The front end side of the bottom plate
It is horizontally arranged with the first measurement steel ruler on wall, the second measurement steel is vertically provided in the front end side wall of one of them column
Ruler.
7. two-dimensional physical analog simulation test platform according to claim 6, it is characterised in that：The pedestal includes two
Bottom carries the supporting rack of universal wheel, and connecting rod is connected between two support frames as described above.
8. two-dimensional physical analog simulation test platform according to claim 7, it is characterised in that：One of them described support
Top of the trellis is additionally provided with limiter, and the limiter is oppositely arranged with the elevator.
9. two-dimensional physical analog simulation test platform according to claim 1, it is characterised in that：The pitch angle control device packet
Bracket base and pitch angle control case are included, the pitch angle control case is set at the top of the bracket base, on the pitch angle control case
It is provided with angle indicator, angle control handle and angle indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820261692.9U CN207923861U (en) | 2018-02-22 | 2018-02-22 | Two-dimensional physical analog simulation test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820261692.9U CN207923861U (en) | 2018-02-22 | 2018-02-22 | Two-dimensional physical analog simulation test platform |
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| Publication Number | Publication Date |
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| CN207923861U true CN207923861U (en) | 2018-09-28 |
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ID=63600131
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| CN201820261692.9U Active CN207923861U (en) | 2018-02-22 | 2018-02-22 | Two-dimensional physical analog simulation test platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107181A (en) * | 2018-02-22 | 2018-06-01 | 西安科技大学 | Two-dimensional physical analog simulation test platform and its test method |
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2018
- 2018-02-22 CN CN201820261692.9U patent/CN207923861U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107181A (en) * | 2018-02-22 | 2018-06-01 | 西安科技大学 | Two-dimensional physical analog simulation test platform and its test method |
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