CN206270337U - A kind of mining analog material physical test platform of large-scale three dimensional dynamic load - Google Patents
A kind of mining analog material physical test platform of large-scale three dimensional dynamic load Download PDFInfo
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- CN206270337U CN206270337U CN201621358348.9U CN201621358348U CN206270337U CN 206270337 U CN206270337 U CN 206270337U CN 201621358348 U CN201621358348 U CN 201621358348U CN 206270337 U CN206270337 U CN 206270337U
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Abstract
The utility model provides a kind of mining analog material physical test platform of large-scale three dimensional dynamic load, front apron, two side shields, square structure is enclosed between backboard and top board and the upper surface of pedestal, filled with simulation rock stratum in square structure, simulation tunnel is horizontally arranged with simulation rock stratum, the one end for simulating tunnel is provided with simulation coal seam, the other end is communicated to the outside of front apron, simulation is provided with miniature coal-winning machine in tunnel, high-speed camera is provided with miniature cutting coal machine, supporting part is additionally provided with the outside of baffle plate and top board, side shield, the outside distribution of backboard and top board is provided with jack, the base of jack is fixed on supporting part.The simulation test with similar mat-erial of the simulation test with similar mat-erial experiment and three-dimensional static load that focus primarily upon two dimension with the making and application that solve existing experiment porch is tested, dynamic test platform in part is influenceed to be difficult to apply by dynamic load source, influences the problem of experimental study.The utility model belongs to mine disaster research field.
Description
Technical field
The utility model is related to a kind of mining analog material physical test stage apparatus of large-scale three dimensional dynamic load, belongs to mine calamity
Evil research field.
Background technology
At present, with the development of mineral industry, mine disaster happens occasionally and condition is increasingly complex changeable, to this problem
Research is also deepening continuously, and traditional theoretical and experience shows slightly not enough, complexity, diversity due to disaster, and scene is seen in addition
The limitation of survey allows to carry out physical simulation experiment as important research method, the reproduction to accident, theoretical analysis and total
Have important booster action.
Making and application for current analog material Physical Experiment platform focus primarily upon the analog material thing of two dimension
Based on the simulation test with similar mat-erial experiment of reason simulated test and three-dimensional static load, part dynamic test platform is originated by dynamic load
(detonator, explosive by control class etc.) is influenceed to be difficult to apply, so the research work to Physical Experiment affects.
The content of the invention
The purpose of this utility model is：There is provided a kind of large-scale three dimensional dynamic load mining analog material physical test platform, with
The making and application for solving existing analog material Physical Experiment platform focus primarily upon the simulation test with similar mat-erial experiment of two dimension
And the simulation test with similar mat-erial experiment of three-dimensional static load, dynamic test platform in part is originated by dynamic load to be influenceed to be difficult to apply,
Influence the problem of experimental study.
To solve the above problems, intend using the mining analog material physical test platform of such a large-scale three dimensional dynamic load, bag
Include pedestal, be vertically provided with front apron, two side shields and backboard on pedestal, front apron, side shield and backboard it is upper
Side is provided between top board, and front apron, two side shields, backboard and top boards and the upper surface of pedestal and encloses squarely knot
Filled with simulation rock stratum in structure, the square structure for being enclosed, simulation tunnel is horizontally arranged with simulation rock stratum, simulation tunnel
One end is provided with simulation coal seam, and the other end is communicated to the outside of front apron, and simulation is provided with miniature coal-winning machine in tunnel, miniature to adopt
Coal machine provides certain impulsive force to simulate dynamic load, and high-speed camera, the baffle plate and top board are additionally provided with miniature cutting coal machine
Outside be additionally provided with supporting part, the outsides distribution of two side shields, backboard and top boards is provided with jack, the bottom of jack
Seat is fixed on supporting part, and the working end of jack holds out against and is arranged on corresponding side shield, backboard and top board.
In afore-mentioned test platform, simulation is provided with strain gauge and strain transducer in rock stratum, to monitor and to regulate and control
The force of jack；
In afore-mentioned test platform, the access adit outside that tunnel is simulated on front apron is additionally provided with working face excavation baffle plate, work
Make face excavate baffle plate on just to simulate tunnel access adit at be provided with can opening type roadway excavation baffle plate；
In afore-mentioned test platform, jack is equally spacedly distributed the outside for being arranged at side shield, backboard and top board, and thousand
Jin top is perpendicular with corresponding side shield, backboard or top board；
It is in afore-mentioned test platform, between pedestal, front apron, side shield, backboard and top board and is tightly connected, on pedestal
The filling pipe for being communicated to simulation rock stratum is additionally provided with, filling pipe is used to study the Physical Experiment of mine water disaster；
In afore-mentioned test platform, flexible rubber is additionally provided between jack and side shield, backboard and top board, made very heavy
Top operationally can synchronzed press, and the work such as compacting layering when contributing to model filler studies matchmaker for some importance
Body or rock stratum use pre-manufactured model block mode, and strain or the optical fiber of correlation are pasted on pre-designed pre-manufactured model block surface
Deng sensor, the pre-manufactured model block for then being bonded above using binding agent again turns into complete rock stratum or coal seam.
Compared with prior art, the utility model can more really simulate exploitation, the tunnel branch under three-dimensional Under Dynamic Load
The disaster problem of the basic problems such as shield and simple geological conditions, can also reproduce the generation of some accidents, compared to existing list
One experiment porch has more preferable comprehensive, authenticity and reliability, and the reproduction to accident, theoretical analysis and summary have
Particularly important effect.
Brief description of the drawings
Fig. 1 is side structure schematic view of the present utility model；
Fig. 2 is main structure diagram of the present utility model.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings.
Embodiment：
Referring to Figures 1 and 2, the mining analog material physical test platform of a kind of large-scale three dimensional dynamic load that the present embodiment is provided,
Vertically be provided with 2, two side shields 3 of front apron and backboard 4 including pedestal 1, on pedestal 1, front apron 2, side shield 3 and after
The top of baffle plate 4 is provided with top board 5, and front apron 2, two side shields 3, backboard 4 and top boards 5 and pedestal 1 upper surface it
Between enclose square structure, filled with simulation rock stratum 8 in the square structure for being enclosed, simulation is provided with stress sensing in rock stratum 8
Device 13 and strain transducer 14, to monitor and regulating and controlling the force of jack, are horizontally arranged with simulation tunnel in simulation rock stratum 8
9, the one end for simulating tunnel 9 is provided with simulation coal seam 10, and the other end is communicated to the outside of front apron 2, and simulation is provided with tunnel 9
Miniature coal-winning machine 11, miniature coal-winning machine 11 provides certain impulsive force to simulate dynamic load, and height is additionally provided with miniature cutting coal machine 11
The outside of fast video camera 12, the baffle plate and top board 5 is additionally provided with supporting part 6, two side shields 3, backboard 4 and top boards 5
Outside distribution is provided with jack 7, and the base of jack 7 is fixed on supporting part 6, and the working end of jack 7 holds out against and is arranged at
On corresponding side shield 3, backboard 4 and top board 5, it is additionally provided between jack 7 and side shield 3, backboard 4 and top board 5
Flexible rubber, jack 7 is equally spacedly distributed the outside for being arranged at side shield 3, backboard 4 and top board 5, and jack 7 and institute
Corresponding side shield 3, backboard 4 or top board 5 are perpendicular.
It is between pedestal 1, front apron 2, side shield 3, backboard 4 and top board 5 and is tightly connected, is additionally provided with pedestal 1
It is communicated to the filling pipe 17 of simulation rock stratum 8；
The access adit outside that tunnel 9 is simulated on front apron 2 is additionally provided with working face excavation baffle plate 15, and working face excavates baffle plate
On 15 just to simulate tunnel 9 access adit at be provided with can opening type roadway excavation baffle plate 16.
During research stability of the roadway sex chromosome mosaicism, after design, filler, pressurization stabilization, overlying rock, front and rear and left and right
The pressure of three applyings of the jack in direction 7 is different, so closer to real working condition；Opened in simulation tunnel 9
The quantitative excavation rock mass under the propulsion of hydraulic cylinder of miniature coal-winning machine 11 during digging, and it is regular logical according to design
Cross hydraulic cylinder control impact bar and apply certain impulsive force to the simulation working face of tunnel 9, now high-speed camera 12 is by under shooting
Roof and floor, two help and working face rock crushing situation, this design can Under Dynamic Load that preferably excavation simulation causes,
There is good booster action for the change of rock mass under research Under Dynamic Load, high-speed camera 12 will catch lower Under Dynamic Load next week
The complete situation of country rock body；The waste material of excavation is cleaned out by dust catcher；Coal, rock mass ess-strain situation will by stress and should
Become sensor collection data, finishing analysis confirm the experimental program of next step at any time；The steps such as supporting, slip casting can be using excavation
Punching afterwards is installed, and connects monitoring system of stress and strain in anchor pole etc., and installs change of the camera shooting after supporting
And the contrast of different support patterns, can effectively compare the quality of supporting scheme；In addition for tomography, karst post, old sky
The problem of water and water-bearing zone can add the waterproof materials such as rosin, paraffin in experiment material, jack 7 and flexible rubber it
Between using latex connect sealing.
During research stope mine pressing problem, after design, filler, pressurization stabilization, overlying rock, front and rear and left and right three
The pressure that the jack 7 in individual direction applies is different, so closer to real working condition；In coal-face propulsion
During the excavation coal body quantitative under the propulsion of hydraulic cylinder of miniature coal-winning machine 11, and pass through according to design is regular
Hydraulic cylinder controls impact bar to apply certain impulsive force to working face, and now high-speed camera 12 will shoot lower roof and floor, coal column
And the rock crushing situation of working face, this design can Under Dynamic Load that preferably excavation simulation causes, it is dynamic for research
The change of the lower roof and floor of load effect and working face coal body has good booster action, can preferably simulate actual production shape
State, high-speed camera 12 will catch the situation of change of lower roof and floor, coal column and working face；The waste material of excavation is cleared up by dust catcher
Totally；Coal, the ess-strain situation of rock mass will collect data by stress and strain transducer, and finishing analysis confirm next step at any time
Experimental program；With the propulsion of working face, camera detection top board change is installed in goaf；For in addition for tomography etc.
Change can be made in experiment material form tomography medium.
Claims (6)
1. the mining analog material physical test platform of a kind of large-scale three dimensional dynamic load, it is characterised in that：Including pedestal (1), pedestal (1)
On be vertically provided with front apron (2), two side shields (3) and backboard (4), front apron (2), side shield (3) and backboard
(4) top board (5), and front apron (2), two side shields (3), backboard (4) and top boards (5) and pedestal (1) are provided with above
Upper surface between enclose square structure, filled with simulation rock stratum (8) in the square structure for being enclosed, in simulation rock stratum (8)
Simulation tunnel (9) is horizontally arranged with, the one end for simulating tunnel (9) is provided with simulation coal seam (10), and the other end is communicated to front
The outside of plate (2), miniature coal-winning machine (11) is provided with simulation tunnel (9), is additionally provided with miniature coal-winning machine (11) and taken the photograph at a high speed
Supporting part (6), two side shields (3), backboard (4) and tops are additionally provided with the outside of camera (12), the baffle plate and top board (5)
The outside distribution of plate (5) is provided with jack (7), and the base of jack (7) is fixed on supporting part (6), the work of jack (7)
Held out against as end and be arranged on corresponding side shield (3), backboard (4) and top board (5).
2. the mining analog material physical test platform of a kind of large-scale three dimensional dynamic load according to claim 1, it is characterised in that：Mould
Intend being provided with strain gauge (13) and strain transducer (14) in rock stratum (8).
3. the mining analog material physical test platform of a kind of large-scale three dimensional dynamic load according to claim 1, it is characterised in that：Before
The access adit outside that tunnel (9) are simulated on baffle plate (2) is additionally provided with working face excavation baffle plate (15), and working face excavates baffle plate (15)
On just to simulate tunnel (9) access adit at be provided with can opening type roadway excavation baffle plate (16).
4. the mining analog material physical test platform of a kind of large-scale three dimensional dynamic load according to claim 1, it is characterised in that：Thousand
Jin top (7) is equally spacedly distributed the outside for being arranged at side shield (3), backboard (4) and top board (5), and jack (7) is right with institute
Side shield (3), backboard (4) or the top board (5) answered are perpendicular.
5. the mining analog material physical test platform of a kind of large-scale three dimensional dynamic load according to claim 1, it is characterised in that：Base
Seat (1), it is between front apron (2), side shield (3), backboard (4) and top board (5) and is tightly connected, pedestal also sets up on (1)
There is the filling pipe (17) for being communicated to simulation rock stratum (8).
6. the mining analog material physical test platform of a kind of large-scale three dimensional dynamic load according to claim 1, it is characterised in that：Thousand
Flexible rubber is additionally provided between jin top (7) and side shield (3), backboard (4) and top board (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621358348.9U CN206270337U (en) | 2016-12-08 | 2016-12-08 | A kind of mining analog material physical test platform of large-scale three dimensional dynamic load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621358348.9U CN206270337U (en) | 2016-12-08 | 2016-12-08 | A kind of mining analog material physical test platform of large-scale three dimensional dynamic load |
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| CN206270337U true CN206270337U (en) | 2017-06-20 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526133A (en) * | 2016-12-08 | 2017-03-22 | 贵州大学 | Large three-dimensional dynamic load mineral similar material physical test platform |
| CN108918812A (en) * | 2018-05-14 | 2018-11-30 | 刘柳平 | It include the test stand in helical radiation shape water-bearing layer in a kind of experiment of ground and teaching |
| CN108918817A (en) * | 2018-05-14 | 2018-11-30 | 冯飞鸽 | A kind of underwater security mining experimental provision in the see-through internal portion of analog simulation geotechnique |
| CN109143384A (en) * | 2018-09-27 | 2019-01-04 | 太原理工大学 | The physical simulation experiment method of the mined out zone position of ponding is detected in a kind of driving |
| CN110672424A (en) * | 2019-09-30 | 2020-01-10 | 广州市建筑科学研究院有限公司 | Visual safety monitoring system and method for large-tonnage static load test bed |
-
2016
- 2016-12-08 CN CN201621358348.9U patent/CN206270337U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526133A (en) * | 2016-12-08 | 2017-03-22 | 贵州大学 | Large three-dimensional dynamic load mineral similar material physical test platform |
| CN108918812A (en) * | 2018-05-14 | 2018-11-30 | 刘柳平 | It include the test stand in helical radiation shape water-bearing layer in a kind of experiment of ground and teaching |
| CN108918817A (en) * | 2018-05-14 | 2018-11-30 | 冯飞鸽 | A kind of underwater security mining experimental provision in the see-through internal portion of analog simulation geotechnique |
| CN109143384A (en) * | 2018-09-27 | 2019-01-04 | 太原理工大学 | The physical simulation experiment method of the mined out zone position of ponding is detected in a kind of driving |
| CN109143384B (en) * | 2018-09-27 | 2020-03-20 | 太原理工大学 | Physical simulation experiment method for detecting position of water-accumulating goaf in tunneling |
| CN110672424A (en) * | 2019-09-30 | 2020-01-10 | 广州市建筑科学研究院有限公司 | Visual safety monitoring system and method for large-tonnage static load test bed |
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