CN106128259A - A kind of equivalent material simulating tomography assay device and test method - Google Patents
A kind of equivalent material simulating tomography assay device and test method Download PDFInfo
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- CN106128259A CN106128259A CN201610537780.2A CN201610537780A CN106128259A CN 106128259 A CN106128259 A CN 106128259A CN 201610537780 A CN201610537780 A CN 201610537780A CN 106128259 A CN106128259 A CN 106128259A
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- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
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Abstract
nullThe present invention relates to a kind of equivalent material simulating tomography assay device，Including framework，Described framework includes entablature、Sill and lateral column，Clamping plate are installed on described sill，Described clamping plate can slide on sill and can fix on sill，The hinged rotor plate of described clamping plate，Described rotor plate central authorities arrange elongated slot，Described elongated slot is installed the T-shaped plate that can slide along elongated slot，Two cross beam support beams it are fixedly installed below described entablature，Two lateral column support beams it are fixedly installed inside described lateral column，Vertically-mounted compression system below described entablature，It is transversely mounted compression system inside described two side columns，After using such structure，Actual pressure and the theoretical pressure applied closer to，The most accurate，The measurement result of experiment is accurate，Not only can realize the simulation to pressure at right angle but also the simulation to horizontal force can be realized，Not only can realize the simulation to constant force but also the simulation to directed varying forces can be realized.Equipment operation more convenient operation, is fully achieved automatization.
Description
Technical field
The present invention relates to a kind of equivalent material simulating tomography assay device and test method.
Background technology
Growing along with underground engineerings such as mankind's mining, the geological structure such as tomography, fold is to underground production activity
Development brings huge obstruction and causes severe safety accident further.Therefore, it is fully understood by subsurface structure and derives rule and stress
Field distribution becomes the task of top priority of the safe and scientific production of underground engineering.
Both direction driving force all structures to tomography in vertical peace row earth's surface, earth's surface change and have an impact, geological structure simulation
Difficult point be the most effectively to load vertical and horizontal impulse.For present existing geology structural model experiment platform, many
Number can only simulate vertical configuration stress, is confined to simulate tomography, and mostly is the simulation at fixed dimension and inclination angle, can only realize single
The control mode of motion, it is impossible to realize multiple region and move simultaneously.For the simulation of horizontal tectonics motion, theoretical method does not becomes
Ripe, experimental provision imperfection, motility is poor.
In prior art, the simulation to driving force generally uses oil cylinder, and oil cylinder is set certain force value, thus to mould
Intending material pressure, the actual pressure that simulation material is subject to may be not consistent with setting pressure, and existing experiment can only be realized greatly
The actual pressure being subject to for simulation material is equal with desirable pressure, produces error unavoidably.
On the other hand, both direction thrust may produce size variation over time, existing experimental facilities without
Method accurately realizes the simulation to change thrust.
Summary of the invention
The technical problem to be solved in the present invention is to provide one the most accurate equivalent material simulating tomography assay device, with
And test method.
For solving above-mentioned technical problem, the equivalent material simulating tomography assay device of the present invention, including framework, described framework
Including entablature, sill and lateral column, described sill being installed clamping plate, described clamping plate can slide on sill and can be
Fixing on sill, the hinged rotor plate of described clamping plate, described rotor plate central authorities arrange elongated slot, and installing in described elongated slot can be along elongated slot
The T-shaped plate slided, described T-shaped plate includes space bar and limiting plate, is fixedly installed two cross beam support beams below described entablature,
Two lateral column support beams it are fixedly installed inside described lateral column, vertically-mounted compression system below described entablature, described two side columns
Inner side is transversely mounted compression system, is respectively provided with baffle plate gripper shoe inside the post of the described left and right sides, and described baffle plate gripper shoe can be lived
Dynamic is arranged on lower and upper cross-member and can vertically horizontally slip by crossbeam, installs baffle plate between the baffle plate gripper shoe of described left and right two,
Described baffle plate can horizontally slip relative to two baffle plate gripper shoes；Described compression system includes hold-down devices, two upper ejection device, torr
Frame, pressurization backing plate, pressure transducer and processor, described bracket includes base plate and fixes two flanks being connected, institute with base plate
The piston rod stating hold-down devices withstands on downwards on the base plate of bracket, and the piston rod of upper ejection device upwards withstands under the flank of bracket
Side, arranges pressurization backing plate, arranges pressure transducer, described pressure transducer junction between pressurization backing plate and bracket below bracket
Reason device, described hold-down devices and upper ejection device connect processor；The cylinder barrel of the hold-down devices of vertically-mounted compression system is fixed
Being arranged on entablature, the cylinder barrel of upper ejection device is fixedly mounted on cross beam support beam, the pressure down of the compression system being transversely mounted
The cylinder barrel of device is fixedly mounted on lateral column, and the cylinder barrel of two upper ejection devices is fixedly mounted in two side columns support beam.
Improve described baffle plate gripper shoe as one to be arranged on lower and upper cross-member by bolt, described baffle plate gripper shoe sets
Put strip bolt hole.
Preferred described hold-down devices and upper ejection device are cylinder.
Described pressurization backing plate is elastomeric material.
The invention still further relates to use the test method of above-mentioned equivalent material simulating tomography assay device, comprise the following steps,
Installing baffle plate, similar materials of mating formation, at the top of similar materials and side loaded compression system, by processor control
Detected materials is pressurizeed by hold-down devices processed, reserves the preset pressure value that detected materials should be subject to the most in advance, passes through
Pressure transducer measures the actual pressure that detected materials is subject to, and compares actual pressure value and preset pressure that detected materials is subject to
Value, when actual pressure value exceedes, less than preset pressure value, the scope set in advance, and processor controls hold-down devices intensified pressure, when
Actual pressure value exceedes, more than preset pressure value, the scope set in advance, and processor controls hold-down devices and reduces pressure, makes reality
The difference of force value and preset pressure value is consistently less than a scope set in advance.
Improving as one, processor also controls upper ejection device, when actual pressure value exceedes in advance less than preset pressure value
The scope set, processor controls to strengthen while hold-down devices reduces pressure the pressure of upper ejection device, makes the pressure of ejection device
Power offsets the pressure of a part of hold-down devices, when actual pressure value exceedes, less than preset pressure value, the scope set in advance, processes
Device reduces the pressure of upper ejection device while controlling hold-down devices intensified pressure, make the difference of actual pressure value and preset pressure value begin
Eventually less than a scope set in advance.
Described hold-down devices and upper ejection device are cylinder, are controlled the pressure of pressue device by the folding size controlling air valve
Power.
After using such structure, the actual pressure of applying and theoretical pressure closer to, the most precisely, the measurement knot of experiment
Fruit precisely, not only can realize the simulation to pressure at right angle but also can realize the simulation to horizontal force, both can realize the simulation to constant force
The simulation to directed varying forces can be realized again.Equipment operation more convenient operation, is fully achieved automatization.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the equivalent material simulating tomography assay device of the present invention.
Fig. 2 is the partial enlarged drawing of part A in Fig. 1.
Fig. 3 is the partial enlarged drawing of part B in Fig. 1.
Fig. 4 is the partial enlarged drawing of C portion in Fig. 1.
Fig. 5 is the sectional view in Fig. 2 along line D-D.
Fig. 6 is the sectional view in Fig. 3 along E-E line.
Fig. 7 is the transverse cross-sectional view of T-shaped plate.
Fig. 8 is electron pressure control circuit figure.
Reference: crossbeam 1, sill 2, lateral column 3, clamping plate 4, rotor plate 5, elongated slot 6, T-shaped plate 7, space bar 7a, spacing
Plate 7b, cross beam support beam 8, lateral column support beam 9, compression system 10, baffle plate gripper shoe 11, strip bolt hole 12, lower air cylinder
13, upper top gas cylinder 14, bracket 15, base plate 15a, flank 15b, pressurization backing plate 16, pressure transducer 17, similar materials 18,
Baffle plate 19.
Detailed description of the invention
As shown in Figures 1 to 8, the equivalent material simulating tomography assay device of the present invention, including framework, framework includes horizontal stroke
Beam 1, sill 2 and lateral column 3, sill 2 is installed and installs clamping plate 4 by bolt, makes clamping plate 4 by the degree of tightness adjusting bolt
Can slide on sill 2 and fixing on sill 2, the hinged rotor plate of clamping plate 45, rotor plate 5 central authorities arrange elongated slot 6, long
Installing the T-shaped plate 7 that can slide along elongated slot 6 in groove 6, T-shaped plate 7 includes space bar 7a and limiting plate 7b, and space bar 7b inserts elongated slot
In 6, below entablature 1, it is fixedly installed two cross beam support beams 8, inside lateral column 3, is fixedly installed two lateral column support beams 9, upper horizontal stroke
Vertically-mounted compression system 10 below beam 1, is transversely mounted compression system 10, sets respectively inside left and right sides post 3 inside two side columns 3
Putting baffle plate gripper shoe 11, baffle plate gripper shoe 11 includes being connected with the pressurization bearing plate 11a that contact of backing plate 16 and fixing with bearing plate
And vertical installing plate 11b, installing plate 11b arranges strip bolt hole 12, baffle plate gripper shoe 11 is arranged on by bolt
On sill, baffle plate gripper shoe 11 vertically can horizontally slip and can not move in the vertical direction by crossbeam, and left and right two baffle plate props up
Installing baffle plate 19 between fagging 11, baffle plate 19 can horizontally slip relative to two baffle plate gripper shoes 11.
Compression system 10 includes the upper top gas cylinder 14 of lower air cylinder 13, two, bracket 15, pressurization backing plate 16, pressure transducer
17 and processor, bracket 15 includes base plate 15a and fixes two the flank 15b being connected, the piston of lower air cylinder 14 with base plate 15a
Bar withstands on downwards on the base plate 15a of bracket, and the piston rod of upper top gas cylinder 15 upwards withstands on below the flank 15b of bracket, bracket 15
Lower section arranges pressurization backing plate 16, and pressurization backing plate 16 is elastomeric material, arranges pressure transducer between pressurization backing plate 16 and bracket 15
17, pressure transducer 17 connects processor, lower air cylinder 13 and upper top gas cylinder 14 and connects processor；Vertically-mounted compression system
The cylinder barrel of the lower air cylinder 13 of 10 is fixedly mounted on entablature 1, and the cylinder barrel of lower air cylinder 14 is fixedly mounted on cross beam support beam 8
On, the lower air cylinder 13 of the compression system 10 being transversely mounted is arranged in lateral column support beam 9, the fixing peace of the cylinder barrel of upper top gas cylinder 14
It is contained in lateral column support beam 9.
Use the test method of above-mentioned equivalent material simulating tomography assay device, comprise the following steps, baffle plate 12, paving are installed
Dress similar materials 18, at the top of similar materials 18 and side loaded compression system 10, by under processor control
Simulation material 18 to be measured is pressurizeed by air cylinder, reserves the preset pressure value that simulation material 18 should be subject to the most in advance,
Measure, by pressure transducer 17, the actual pressure that detected materials is subject to, compare actual pressure value that detected materials is subject to and preset
Force value, when actual pressure value exceedes, less than preset pressure value, the scope set in advance, processor controls lower air cylinder and strengthens pressure
Power, when actual pressure value exceedes, more than preset pressure value, the scope set in advance, processor controls lower air cylinder and reduces pressure, makes
The difference of actual pressure value and preset pressure value is consistently less than a scope set in advance, such as can make difference be less than 1% or
5%.Under the effect of controller and cylinder, this change in process is the most small and rapid, the actual pressure that can be received by material
It is considered as the pressure being equal to set so that the result of experiment is the most accurate.
In another embodiment, processor also controls lower air cylinder, is controlled by the folding size controlling air valve
Lower air cylinder and the pressure of upper top gas cylinder.When actual pressure value exceedes the scope set in advance, processor less than preset pressure value
Control to strengthen while lower air cylinder reduces pressure the pressure of lower air cylinder, make to press-fit under a counteracted by pressure part for lower air cylinder
The pressure put, when actual pressure value exceedes, less than preset pressure value, the scope set in advance, processor controls lower air cylinder and strengthens
Reduce the pressure of lower air cylinder while pressure, make the difference of actual pressure value and preset pressure value be consistently less than one and set in advance
Scope.
In the case of requirement of experiment is more strict, the output pressure of upper top gas cylinder can add the weight of bracket 15, this
Sample simulation material pressure experienced value is the most accurately, less with the difference of the force value set.
In the case of requirement of experiment force value is bigger, pressue device may be used without oil cylinder, by controlling output hydraulic pressure oil
Valve size control oil cylinder pressure.Produced by hydraulic cylinder, pressure is relatively big, and cylinder changing sensitivity is more preferable, can adopt
The method combined with both, uses hold-down devices oil cylinder, and upper ejection device uses cylinder.
Pressure transducer gathers actual pressure signal, the amplifier being transferred in processor, simulation is believed by A/D module
Number being converted to digital signal, default force value is compared by processor with actual pressure value, then by required pressure signal through D/A
Module is sent to hold-down devices and upper ejection device after being converted to analogue signal.
Claims (7)
1. an equivalent material simulating tomography assay device, it is characterised in that: include framework, described framework include entablature, under
Crossbeam and lateral column, described sill is installed clamping plate, and described clamping plate can slide on sill and can fix on sill,
The hinged rotor plate of described clamping plate, described rotor plate central authorities arrange elongated slot, install the T-shaped plate that can slide along elongated slot in described elongated slot,
Described T-shaped plate includes space bar and limiting plate, is fixedly installed two cross beam support beams, inside described lateral column below described entablature
It is fixedly installed two lateral column support beams, vertically-mounted compression system below described entablature, it is transversely mounted inside described two side columns
Compression system, is respectively provided with baffle plate gripper shoe inside the post of the described left and right sides, described baffle plate gripper shoe is mobilizable to be arranged on
On sill and can vertically horizontally slip by crossbeam, installing baffle plate between the baffle plate gripper shoe of described left and right two, described baffle plate can phase
Two baffle plate gripper shoes are horizontally slipped；
Described compression system includes hold-down devices, two upper ejection devices, bracket, pressurization backing plate, pressure transducer and processor, institute
Stating bracket include base plate and fix two flanks being connected with base plate, the piston rod of described hold-down devices withstands on downwards the end of bracket
On plate, the piston rod of upper ejection device upwards withstands on below the flank of bracket, arranges pressurization backing plate, pressurization backing plate and torr below bracket
Arranging pressure transducer between frame, described pressure transducer connects processor, described hold-down devices and upper ejection device connection and processes
Device；
The cylinder barrel of the hold-down devices of vertically-mounted compression system is fixedly mounted on entablature, the fixing peace of the cylinder barrel of upper ejection device
Being contained on cross beam support beam, the cylinder barrel of the hold-down devices of the compression system being transversely mounted is fixedly mounted on lateral column, two upper tops
The cylinder barrel of device is fixedly mounted in two side columns support beam.
2. according to the equivalent material simulating tomography assay device described in claim 1, it is characterised in that: described baffle plate gripper shoe is led to
Cross bolt to be arranged on lower and upper cross-member, described baffle plate gripper shoe arranges strip bolt hole.
3. according to the equivalent material simulating tomography assay device described in claim 2, it is characterised in that: described hold-down devices and upper
Ejection device is cylinder.
4. according to the equivalent material simulating tomography assay device described in claim 3, it is characterised in that: described pressurization backing plate is rubber
Glue material.
5. use the test method of the equivalent material simulating tomography assay device of claim 1-4, it is characterised in that: include following
Step, installs baffle plate, and similar materials of mating formation, at the top of similar materials and side loaded compression system, by place
Reason device controls hold-down devices and pressurizes detected materials, reserves the preset pressure that detected materials should be subject to the most in advance
Value, measures the actual pressure that is subject to of detected materials by pressure transducer, compares actual pressure value that detected materials is subject to and pre-
If force value, when actual pressure value exceedes, less than preset pressure value, the scope set in advance, processor controls hold-down devices and strengthens
Pressure, when actual pressure value exceedes, more than preset pressure value, the scope set in advance, and processor controls hold-down devices and reduces pressure,
The difference making actual pressure value and preset pressure value is consistently less than a scope set in advance.
6. according to the equivalent material simulating tomography test method described in claim 5, it is characterised in that: processor also control on push up
Device, when actual pressure value exceedes, less than preset pressure value, the scope set in advance, and processor controls hold-down devices and reduces pressure
While strengthen the pressure of upper ejection device, make the pressure of a part of hold-down devices of counteracted by pressure of ejection device, work as actual pressure
Value exceedes, less than preset pressure value, the scope set in advance, pushes up dress while processor control hold-down devices intensified pressure in reduction
The pressure put, makes the difference of actual pressure value and preset pressure value be consistently less than a scope set in advance.
7. according to the equivalent material simulating tomography test method described in claim 6, it is characterised in that: described hold-down devices and upper
Ejection device is cylinder, is controlled the pressure of pressue device by the folding size controlling air valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610537780.2A CN106128259B (en) | 2016-07-08 | 2016-07-08 | A kind of equivalent material simulating tomography experimental rig and test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610537780.2A CN106128259B (en) | 2016-07-08 | 2016-07-08 | A kind of equivalent material simulating tomography experimental rig and test method |
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| CN106128259A true CN106128259A (en) | 2016-11-16 |
| CN106128259B CN106128259B (en) | 2018-08-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109859557A (en) * | 2018-12-27 | 2019-06-07 | 中国石油大学(北京) | For simulating the experimental provision of earth's crust stress deformation |
| CN111024500A (en) * | 2019-12-26 | 2020-04-17 | 山东科技大学 | Method for monitoring stress correction after fault formation simulation |
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| CN111024500B (en) * | 2019-12-26 | 2022-04-12 | 山东科技大学 | Method for monitoring stress correction after fault formation simulation |
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| CN106128259B (en) | 2018-08-31 |
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