CN106128259B - A kind of equivalent material simulating tomography experimental rig and test method - Google Patents
A kind of equivalent material simulating tomography experimental rig and test method Download PDFInfo
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- CN106128259B CN106128259B CN201610537780.2A CN201610537780A CN106128259B CN 106128259 B CN106128259 B CN 106128259B CN 201610537780 A CN201610537780 A CN 201610537780A CN 106128259 B CN106128259 B CN 106128259B
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/40—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for geology
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Abstract
The present invention relates to a kind of equivalent material simulating tomography experimental rigs,Including frame,The frame includes upper beam,Bottom end rail and lateral column,Clamping plate is installed on the bottom end rail,The clamping plate can be slided on bottom end rail and can be fixed on bottom end rail,The clamping plate is hinged rotor plate,Elongated slot is arranged in the rotor plate center,The T-type plate that installation can be slided along elongated slot in the elongated slot,Two supporting crossbeams are fixedly installed below the upper beam,Two lateral column supporting beams are fixedly installed on the inside of the lateral column,Vertically-mounted compression system below the upper beam,It is transversely mounted compression system on the inside of the two side columns,After such structure,The actual pressure of application and theoretical pressure are closer,It is more accurate,The measurement result of experiment is accurate,Not only it can realize the simulation to pressure at right angle but also can realize the simulation to horizontal force,Not only it can realize the simulation to constant force but also can realize the simulation to directed varying forces.Equipment operation more convenient operation fully achieves automation.
Description
Technical field
The present invention relates to a kind of equivalent material simulating tomography experimental rig and test methods.
Background technology
With the mankind mining etc. underground engineerings it is growing, the geological structures such as tomography, fold to underground produce it is movable
Further development brings huge obstruction and causes serious safety accident.Therefore, it fully understands subsurface structure and derives rule and stress
Field distribution becomes the task of top priority of the safe and scientific production of underground engineering.
Vertical earth's surface all has an impact the variation of the construction of tomography with parallel earth's surface both direction driving force, geological structure simulation
Difficult point be how effectively to load vertical and horizontal impulse.It is more for present existing geology structural model experiment platform
Number can only simulate vertical configuration stress, be confined to simulation tomography, and the simulation of mostly fixed dimension and inclination angle, can only realize single
The control mode of movement cannot achieve multiple regions while move.For horizontal tectonics movement simulation, theoretical method not at
Ripe, experimental provision is not perfect, and flexibility is poor.
Oil cylinder is generally used to the simulation of driving force in the prior art, certain pressure value is set to oil cylinder, to mould
Quasi- 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 required pressure, inevitably generates error.
On the other hand, both direction thrust may change with time and generate size variation, existing experimental facilities without
Method accurately realizes the simulation to changing thrust.
Invention content
The technical problem to be solved in the present invention is to provide a kind of more accurate equivalent material simulating tomography experimental rig, with
And test method.
In order to solve the above technical problems, the equivalent material simulating tomography experimental rig of the present invention, including frame, the frame
Including upper beam, bottom end rail and left and right sides column, clamping plate is installed on the bottom end rail, the clamping plate can slide on bottom end rail
And can be fixed on bottom end rail, the clamping plate is hinged rotor plate, and elongated slot is arranged in the rotor plate center, and installation can in the elongated slot
Along the T-type plate of elongated slot sliding, the T-type plate includes spacing board and limiting plate, and two crossbeams are fixedly installed below the upper beam
Two lateral column supporting beams, the vertically-mounted compression train in the upper beam lower section is fixedly installed in supporting beam, the left and right sides column inside
System, the left and right sides column inside are transversely mounted compression system, baffle support plate, institute are respectively set on the inside of the left and right sides column
It states baffle support plate to be movably arranged on lower and upper cross-member and can vertically crossbeam horizontally slip, the support of two baffle of the left and right
Baffle is installed, the baffle can horizontally slip relative to two baffle support plates between plate；The compression system include hold-down devices,
Two upper ejection devices, bracket, pressurization backing plate, pressure sensor and processor, the bracket include bottom plate and fix company with bottom plate
Two flanks connect, the piston rod of the hold-down devices are withstood on the bottom plate of bracket downwards, and the piston rod of upper ejection device pushes up upwards
Below the flank of bracket, setting pressurization backing plate below bracket pressurizes and pressure sensor, the pressure is arranged between backing plate and bracket
Force snesor connection processing device, the hold-down devices and upper ejection device connection processing device；The pushing of vertically-mounted compression system
The cylinder barrel of device is fixedly mounted on upper beam, and the cylinder barrel of upper ejection device is fixedly mounted in supporting crossbeam, is transversely mounted
The cylinder barrel of the hold-down devices of compression system is fixedly mounted on the column of the left and right sides, and the cylinder barrel of two upper ejection devices is fixedly mounted on two
In the lateral column supporting beam of left and right.
As an improvement the baffle support plate is mounted on by bolt on lower and upper cross-member, set in the baffle support plate
Set strip bolt hole.
The preferred hold-down devices and upper ejection device are cylinder.
The pressurization backing plate is rubber material.
The invention further relates to the test methods for using above-mentioned equivalent material simulating tomography experimental rig, include the following steps,
Baffle is installed, similar materials of mating formation pass through processor control on the top of similar materials and side loaded compression system
Hold-down devices processed pressurize to detected materials, set the preset pressure value that detected materials should be subject in advance on a processor, pass through
Pressure sensor measures the actual pressure that detected materials are subject to, and compares the actual pressure value and preset pressure that detected materials are subject to
Value is more than the range being set in advance when actual pressure value is less than preset pressure value, and processor controls hold-down devices intensified pressure, when
It is more than the range being set in advance that actual pressure value, which is more than preset pressure value, and processor controls hold-down devices and reduces pressure, makes reality
Pressure value and the difference of preset pressure value are consistently less than a range being set in advance.
As an improvement processor also controls ejection device, it is more than in advance when actual pressure value is less than preset pressure value
The range of setting, processor control the pressure for increasing upper ejection device while hold-down devices reduce pressure, make the pressure of ejection device
Power offsets the pressure of a part of hold-down devices, is more than the range being set in advance, processing when actual pressure value is less than preset pressure value
Device reduces the pressure of upper ejection device while controlling hold-down devices intensified pressure, actual pressure value and the difference of preset pressure value is made to begin
It is less than a range being set in advance eventually.
The hold-down devices and upper ejection device are cylinder, and the pressure of pressue device is controlled by controlling the folding size of air valve
Power.
After such structure, the actual pressure and theoretical pressure of application are closer, more precisely, the measurement knot of experiment
Fruit is accurate, can not only realize the simulation to pressure at right angle but also can realize the simulation to horizontal force, can both realize the simulation to constant force
The simulation to directed varying forces can be realized again.Equipment operation more convenient operation fully achieves automation.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of the equivalent material simulating tomography experimental rig of the present invention.
Fig. 2 is the partial enlarged view of part A in Fig. 1.
Fig. 3 is the partial enlarged view of part B in Fig. 1.
Fig. 4 is the partial enlarged view of C portion in Fig. 1.
Fig. 5 is the sectional view along line D-D in Fig. 2.
Fig. 6 is in Fig. 3 along the sectional view of E-E lines.
Fig. 7 is the transverse cross-sectional view of T-type plate.
Fig. 8 is electron pressure electric operation control circuit figure.
Reference numeral：Crossbeam 1, bottom end rail 2, lateral column 3, clamping plate 4, rotor plate 5, elongated slot 6, T-type plate 7, spacing board 7a, limit
Plate 7b, supporting crossbeam 8, lateral column supporting beam 9, compression system 10, baffle support plate 11, strip bolt hole 12, lower air cylinder
13, upper top gas cylinder 14, bracket 15, bottom plate 15a, flank 15b, pressurization backing plate 16, pressure sensor 17, similar materials 18,
Baffle 19.
Specific implementation mode
As shown in Figures 1 to 8, equivalent material simulating tomography experimental rig of the invention, including frame, frame include upper cross
Beam 1, bottom end rail 2 and left and right sides column 3, by bolt installation clamping plate 4, elastic by adjusting bolt makes for installation on bottom end rail 2
Obtaining clamping plate 4 can slide on bottom end rail 2 and be fixed on bottom end rail 2, and clamping plate 4 is hinged rotor plate 5,5 center setting of rotor plate
Elongated slot 6, the T-type plate 7 that installation can be slided along elongated slot 6 in elongated slot 6, T-type plate 7 include spacing board 7a and limiting plate 7b, spacing board 7b
It is inserted into elongated slot 6, two supporting crossbeams 8 are fixedly installed in 1 lower section of upper beam, and two sides are fixedly installed in column 3 inside in the left and right sides
Column supporting beam 9, the 1 vertically-mounted compression system 10 in lower section of upper beam, column 3 inside in the left and right sides is transversely mounted compression system 10, left
Baffle support plate 11 is respectively set in 3 inside of right two side columns, and baffle support plate 11 includes the bearing plate 11a contacted with pressurization backing plate 16
It is fixedly connected with bearing plate and strip bolt hole 12, baffle support plate is set on vertical mounting plate 11b, mounting plate 11b
11 by bolt be mounted on lower and upper cross-member on, baffle support plate 11 can vertically crossbeam horizontally slip and cannot be in the up-down direction
It is mobile, baffle 19 is installed between two baffle support plates 11 of left and right, baffle 19 can horizontally slip relative to two baffle support plates 11.
Compression system 10 includes the upper top gas cylinder 14 of lower air cylinder 13, two, bracket 15, pressurization backing plate 16, pressure sensor
17 and processor, bracket 15 includes bottom plate 15a and two flank 15b being fixedly connected with bottom plate 15a, the piston of lower air cylinder 14
Bar is withstood on downwards on the bottom plate 15a of bracket, and the piston rod of upper top gas cylinder 15 is withstood on upwards below the flank 15b of bracket, bracket 15
Lower section setting pressurization backing plate 16, pressurization backing plate 16 is rubber material, pressurizes and pressure sensor is arranged between backing plate 16 and bracket 15
17,17 connection processing device of pressure sensor, 14 connection processing device of lower air cylinder 13 and upper top gas cylinder；Vertically-mounted compression system
The cylinder barrel of 10 lower air cylinder 13 is fixedly mounted on upper beam 1, and the cylinder barrel of lower air cylinder 14 is fixedly mounted on supporting crossbeam 8
On, the lower air cylinder 13 for the compression system 10 being transversely mounted is mounted in lateral column supporting beam 9, and the cylinder barrel of upper top gas cylinder 14 fixes peace
In lateral column supporting beam 9.
Using the test method of above-mentioned equivalent material simulating tomography experimental rig, include the following steps, baffle 12, paving are installed
Dress similar materials 18 are controlled down on the top of similar materials 18 and side loaded compression system 10 by processor
Air cylinder pressurizes to simulation material 18 to be measured, sets the preset pressure value that simulation material 18 should be subject in advance on a processor,
The actual pressure that detected materials are subject to is measured by pressure sensor 17, compares actual pressure value and preset that detected materials are subject to
Pressure value is more than the range being set in advance when actual pressure value is less than preset pressure value, and processor controls lower air cylinder and increases pressure
Power is more than the range being set in advance when actual pressure value is more than preset pressure value, and processor controls lower air cylinder and reduces pressure, makes
Actual pressure value and the difference of preset pressure value are consistently less than a range being set in advance, for example, can make difference be less than 1% or
5%.Under the action of controller and cylinder, this change in process is very small and rapid, the practical pressure that can receive material
Power is considered as the pressure for being equal to setting so that the result of experiment is more accurate.
In another embodiment, processor also controls lower air cylinder, is controlled by controlling the folding size of air valve
The pressure of lower air cylinder and upper top gas cylinder.It is more than the range being set in advance, processor when actual pressure value is less than preset pressure value
The pressure for increasing lower air cylinder while lower air cylinder reduces pressure is controlled, makes to be pressed under a counteracted by pressure part for lower air cylinder
The pressure set is more than the range being set in advance when actual pressure value is less than preset pressure value, and processor controls lower air cylinder and increases
The pressure for reducing lower air cylinder while pressure, makes actual pressure value and the difference of preset pressure value be consistently less than one and is set in advance
Range.
In the case where requirement of experiment is more stringent, the output pressure of upper top gas cylinder can add the weight of bracket 15, this
The pressure value that sample simulation material is subject to is with regard to accurate, the difference smaller with the pressure value of setting.
In the case of requirement of experiment pressure value bigger, oil cylinder can also be used in pressue device, by controlling output hydraulic pressure oil
Valve size control cylinder pressure.Since pressure caused by hydraulic cylinder is larger, and cylinder changing sensitivity is more preferable, can adopt
Hold-down devices are used oil cylinder by the method combined with the two, and upper ejection device uses cylinder.
Pressure sensor acquires actual pressure signal, and the amplifier being transferred in processor is believed simulation by A/D modules
Number be converted to digital signal, processor by preset pressure value compared with actual pressure value, then by required pressure signal through D/A
Module is transmitted to hold-down devices and upper ejection device after being converted to analog signal.
Claims (7)
1. a kind of equivalent material simulating tomography experimental rig, it is characterised in that：Including frame, the frame include upper beam, under
Crossbeam and left and right sides column install clamping plate on the bottom end rail, and the clamping plate can slide on bottom end rail and can be in bottom end rail
Upper fixation, the clamping plate are hinged rotor plate, and elongated slot is arranged in the rotor plate center, and installation can be along elongated slot sliding in the elongated slot
T-type plate, the T-type plate include spacing board and limiting plate, and two supporting crossbeams, the left side is fixedly installed below the upper beam
Two lateral column supporting beams, the vertically-mounted compression system in the upper beam lower section, the left and right two are fixedly installed on the inside of right two side columns
It is transversely mounted compression system on the inside of lateral column, baffle support plate, the baffle support plate is respectively set on the inside of the left and right sides column
It is movably arranged on lower and upper cross-member and can vertically crossbeam horizontally slip, gear is installed between two baffle support plate of the left and right
Plate, the baffle can horizontally slip relative to two baffle support plates；
The compression system includes hold-down devices, two upper ejection devices, bracket, pressurization backing plate, pressure sensor and processor, institute
It includes bottom plate and two flanks being fixedly connected with bottom plate to state bracket, and the piston rod of the hold-down devices withstands on downwards the bottom of bracket
On plate, the piston rod of upper ejection device is withstood on upwards below the flank of bracket, setting pressurization backing plate below bracket, pressurize backing plate and support
Pressure sensor, the pressure sensor connection processing device, the hold-down devices and upper ejection device connection processing are set between frame
Device；
The cylinder barrel of the hold-down devices of vertically-mounted compression system is fixedly mounted on upper beam, and the cylinder barrel of upper ejection device fixes peace
In supporting crossbeam, the cylinder barrel of the hold-down devices for the compression system being transversely mounted is fixedly mounted on the column of the left and right sides, and two
The cylinder barrel of a upper ejection device is fixedly mounted in two or so lateral column supporting beams.
2. equivalent material simulating tomography experimental rig described in accordance with the claim 1, it is characterised in that：The baffle support plate is logical
Bolt is crossed on lower and upper cross-member, strip bolt hole is set in the baffle support plate.
3. equivalent material simulating tomography experimental rig according to claim 2, it is characterised in that：Hold-down devices and upper
Ejection device is cylinder.
4. equivalent material simulating tomography experimental rig described in accordance with the claim 3, it is characterised in that：The pressurization backing plate is rubber
Glue material.
5. the test method of the equivalent material simulating tomography experimental rig using any one of claim 1-4, feature exist
In：Include the following steps, install baffle, similar materials of mating formation are pressurizeed on the top of similar materials and side loaded
System controls hold-down devices by processor and pressurizes to detected materials, and setting detected materials in advance on a processor should be by
Preset pressure value, the actual pressure that is subject to of detected materials is measured by pressure sensor, compares the reality that detected materials are subject to
Pressure value and preset pressure value are more than the range being set in advance when actual pressure value is less than preset pressure value, under processor control
Pressure device intensified pressure is more than the range being set in advance, the lower press fitting of processor control when actual pressure value is more than preset pressure value
Reduction pressure is set, actual pressure value and the difference of preset pressure value is made to be consistently less than a range being set in advance.
6. equivalent material simulating tomography test method according to claim 5, it is characterised in that：Processor pushes up on also controlling
Device is more than the range being set in advance when actual pressure value is less than preset pressure value, and processor controls hold-down devices and reduces pressure
While increase the pressure of upper ejection device, make the pressure of a part of hold-down devices of the counteracted by pressure of ejection device, work as actual pressure
It is more than the range being set in advance that value, which is less than preset pressure value, and dress is pushed up in reduction while processor controls hold-down devices intensified pressure
The pressure set makes actual pressure value and the difference of preset pressure value be consistently less than a range being set in advance.
7. equivalent material simulating tomography test method according to claim 6, it is characterised in that：Hold-down devices and upper
Ejection device is cylinder, and the pressure of pressue device is controlled by controlling the folding size of air valve.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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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| Publication Number | Publication Date |
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| CN106128259A CN106128259A (en) | 2016-11-16 |
| CN106128259B true CN106128259B (en) | 2018-08-31 |
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| CN201610537780.2A Expired - Fee Related CN106128259B (en) | 2016-07-08 | 2016-07-08 | A kind of equivalent material simulating tomography experimental rig and test method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109859557B (en) * | 2018-12-27 | 2020-11-17 | 中国石油大学(北京) | Experimental device for simulating crustal stress deformation |
| CN111024500B (en) * | 2019-12-26 | 2022-04-12 | 山东科技大学 | Method for monitoring stress correction after fault formation simulation |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2902538A1 (en) * | 2006-06-14 | 2007-12-21 | Commissariat Energie Atomique | TOUCH OR HAPTIC SIMULATION DEVICE AND MUSICAL KEYBOARD COMPRISING AT LEAST ONE SUCH SIMULATION DEVICE |
| CN104089822B (en) * | 2014-05-16 | 2017-01-18 | 山东科技大学 | Deep mining stress field evolution process test method |
| CN104200734B (en) * | 2014-09-15 | 2016-04-06 | 河南理工大学 | A kind of method of inverting coal seam bottom water bursting |
| CN105004509A (en) * | 2015-07-30 | 2015-10-28 | 中国电建集团昆明勘测设计研究院有限公司 | Water and mud outburst test device for tectonic fracture filling structure |
| CN105181465B (en) * | 2015-09-29 | 2017-09-29 | 辽宁工程技术大学 | A kind of rock stratum adds unloading fracture research experiment device |
| CN205210040U (en) * | 2015-11-05 | 2016-05-04 | 中国矿业大学(北京) | A multiple dimensioned simulation test test platform for simulating colliery overlying strata collapse and |
| CN205176015U (en) * | 2015-11-11 | 2016-04-20 | 河南理工大学 | Simulation modeling experiment device of adjustable lift height |
| CN205301062U (en) * | 2015-12-17 | 2016-06-08 | 山东科技大学 | A horizontal loading device for simulation test is experimental |
| CN105651965B (en) * | 2016-01-06 | 2017-10-03 | 武汉科技大学 | One kind can load analog simulation experimental rig and its application method |
| CN105548506B (en) * | 2016-02-04 | 2017-07-14 | 河南理工大学 | Simulate the simulation test device by mining influence coal seam bottom water bursting pilot system |
| CN105699203B (en) * | 2016-04-21 | 2018-05-15 | 山东大学 | A kind of experimental rig and method for measuring construction material compression strength under confined pressure |
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- 2016-07-08 CN CN201610537780.2A patent/CN106128259B/en not_active Expired - Fee Related
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