CN107589068A - A kind of laboratory mining scale model dynamic loading method - Google Patents
A kind of laboratory mining scale model dynamic loading method Download PDFInfo
- Publication number
- CN107589068A CN107589068A CN201610536263.3A CN201610536263A CN107589068A CN 107589068 A CN107589068 A CN 107589068A CN 201610536263 A CN201610536263 A CN 201610536263A CN 107589068 A CN107589068 A CN 107589068A
- Authority
- CN
- China
- Prior art keywords
- scale
- scale model
- stand
- laboratory
- load metric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000011068 loading method Methods 0.000 title claims abstract description 24
- 241000668854 Howardia biclavis Species 0.000 title claims abstract description 13
- 238000002474 experimental method Methods 0.000 claims abstract description 17
- 238000012360 testing method Methods 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 239000003245 coal Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention relates to a kind of laboratory mining scale model dynamic loading method, can effectively solve the problems, such as the dynamic load of laboratory mining scale model, its technical scheme solved is, including fixed seat, stand, positioning beam, guiding scale bar, load metric blocks, magnechuck, circuit, electromagnetic controller, infrared inductor, Thin interbed device.When carrying out influence experiment of the dynamic load to scale model, gravitional force is produced under certain altitude to experimental rig application load using load metric blocks and the weight for being oriented to scale bar, to ensure the orderly progress of device, magnechuck is controlled to measure impact energy using Thin interbed device and then the movement of falling object of control load metric blocks and guide rod by electromagnetic controller.Structure of the present invention is novel, simple to operate, carries out that when influence of the dynamic load to scale model of digging up mine is tested good experiment effect can be reached in laboratory, is an innovation of laboratory mining scale model dynamic loading device.
Description
Technical field
The present invention relates to mining engineering field, and in particular to a kind of laboratory scale model dynamic loading method.
Background technology
Currently, many collieries in China have been enter into deep mining, and engineering soft rock is presented in most roadway surrounding rocks under high stress
Feature, influence of the dynamic pressure phenomenon in colliery to Safety of Coal Mine Production are increasingly severe.Because underground coal mine complex geologic conditions are changeable,
Spatial dimension is big, and the exploitation cycle is longer, it is difficult to dynamic pressure relevant issues research is carried out by field test, therefore laboratory is similar
Simulated test turns into one of such issues that research maximally efficient method.Such as anchor pole（Rope）Supporting is as a kind of active support shape
Formula, the advantages of so that its support cost is low, supporting effect is good, support speed is fast, it is used widely in coal production.Due to coal
Complex environment condition under mine, therefore influence anchor pole（Rope）The factor of anchor force has a lot, and wherein dynamic pressure is to anchor pole（Rope）Anchor
Gu the influence of power can not be ignored, but carry out anchor pole in underground（Rope）The dynamic pressure of anchor force influences experiment by underground work environment
With the limitation of facility, and specially do this need of work and expend substantial amounts of manpower and financial resources, therefore anchor is carried out in laboratory
A kind of effective and simple method Gu the test of power be can yet be regarded as, while and can provides ginseng for the design of its support of coal mine down-hole tunnel
Examine foundation.Anchor pole is carried out in laboratory（Rope）, it is necessary to apply necessarily to experimental rig when the dynamic pressure of anchor force influences experiment
Dynamic load, to simulate the dynamic pressure environment of underground coal mine, due to a kind of not such anchor pole（Rope）Dynamic loading method, experiment
Personnel have to be replaced with other methods, so the size for applying dynamic load are difficult to accurately measure, are unable to reach expected effect
Fruit, and then experimental result is influenceed, therefore the improvement and innovation of laboratory scale model dynamic loading method are imperative.
The content of the invention
For the above situation, to solve the defect of prior art, the purpose of the present invention is just to provide a kind of laboratory mining
Scale model dynamic loading method, this method can effectively solve to waste time and energy caused by the prior art of laboratory, experimental error compared with
Greatly, make the dynamic pressure of mining scale model in laboratory influence test more to facilitate, accurately.
The technical scheme that the present invention solves is, including fixed seat, stand, location-plate, be oriented to scale bar, load metric blocks,
Magnechuck, circuit, electromagnetic controller, infrared inductor, Thin interbed device, stand are arranged on base, load metric blocks
Fixed with being oriented to scale bar, be oriented to the scale bar other end and pass through magnechuck and positioning beam, and be oriented to scale bar and magnechuck
Coordinate with the guide hole of positioning beam for coaxial small―gap suture, can vertically move freely, be oriented on scale bar and be labeled with scale,
Positioning beam is fixed on stand by screw bolt and nut, and electromagnetic controller is arranged on the outside of stand, and infrared inductor is arranged on
On the inside of stand, Thin interbed device is connected by circuit with infrared inductor, on the outside of stand.When starting experiment, root
According to requirement of experiment, positioning depth of beam is adjusted, load metric blocks is chosen, switches on power, inhales electromagnetism by electromagnetic controller
Disk is in running order, and magnechuck holds load metric blocks.When experimental rig needs dynamic load, pass through electromagnetic controller
Magnechuck is controlled, is at resting state, load metric blocks and is oriented to scale bar freely falling body under gravity, is produced
Gravitional force applies dynamic load to experimental rig, and now, infrared inductor senses load metric blocks, and signal is delivered to energy
Identifier is measured, and is shown on Thin interbed device.
The inventive method is simple, easy to operate, and it is by load metric blocks and is oriented to gravitional force caused by scale bar to examination
Experiment device applies dynamic load, and the size of load metric blocks can be changed according to test requirements document, can play and add well
Effect is carried, can effectively be solved the problems, such as in laboratory to the dynamic load of experimental rig.
Brief description of the drawings
Fig. 1 is the front view of the present invention.
Fig. 2 is the guiding scale bar magnechuck structural representation of the present invention.
Fig. 3 is the use schematic diagram of the present invention.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing.Provided by Fig. 1 ~ 3, the present invention
When implementing, laboratory mining scale model dynamic loading device, described laboratory mining scale model dynamic are installed first
Loading device includes fixed seat 1, stand 2, positioning beam 5, guiding scale bar 6, load metric blocks 7, magnechuck 8, Electromagnetic Control
Device 10, infrared inductor 11 and Thin interbed device 12；Stand 2 is fixed in fixed seat 1, and positioning beam 5 passes through bolt 4 and stand
2 are connected, and are oriented to one end connection load metric blocks 7 of scale bar 6, magnechuck 8 is fixed on the inner side of positioning beam 5, and magnechuck 8 is logical
Cross circuit 9 to be connected with electromagnetic controller 10, electromagnetic controller 10, infrared inductor 11 and Thin interbed device 12 are separately mounted to
Outside in stand 2.Re-using experiment room mining scale model dynamic loading device, is carried out according to the following steps.
The first step, laboratory mining scale model dynamic loading device is fixed, scale model device 13 is placed on dynamic
In state loading device, and scale model is set to be in immediately below load metric blocks 7.
Second step, the height of positioning beam 5 is adjusted, load metric blocks 7 is chosen, switches on power, magnechuck 8 is in work
Make state, magnechuck 8 holds load metric blocks 7, load metric blocks 7 and is oriented to the freely falling body under gravity of scale bar 6,
Produce gravitional force and dynamic load is applied to experimental rig.
3rd step, infrared inductor 11 sense load metric blocks 7, and signal is delivered to Thin interbed device 12, and in energy
Shown on amount identifier 12.
In order to ensure using effect, the described lower end of stand 2 is provided with fixed seat 1, and the both sides of stand 2 are provided with bolt hole 3, fixed
The position height of beam 5 is set according to test requirements document, and is connected between stand 2 by bolt 4.
Described one end of guiding scale bar 6 is embedded in load metric blocks 7, is oriented to the other end of scale bar 6 and is inhaled through electromagnetism
Disk 8 and positioning beam 5, and coordinate with magnechuck 8, positioning beam 5 for coaxial small―gap suture.
The weight of described load metric blocks 7 is set according to requirement of experiment, is oriented on scale bar 6 and is labeled with scale, is embedded in
That section in load metric blocks 7 is marked without scale, and since scale is marked exposing load metric blocks 7.
Described magnechuck 8 is fixed on the inner side of positioning beam 5 by spy with glue, and passes through circuit 9 and electromagnetic controller
10 are connected, and electromagnetic controller 10 is arranged on the outside of stand 2.
Described infrared inductor 11 is arranged on the inner side of stand 2, and its height should be than 13 high 1 ~ 2mm of experimental rig, energy
Identifier 12 is connected by circuit 9 with infrared inductor 11, and installed in the outside of stand 2.
The present invention working condition be:When influence experiment of the dynamic pressure to scale model of digging up mine is carried out in laboratory, it will test
Device is placed in scale model dynamic loading device, according to requirement of experiment adjust positioning beam position and load metric blocks it is big
Small, now, switching on power makes magnechuck is in running order to hold load metric blocks, and electromagnetism is controlled by electromagnetic controller
Sucker, the movement locus of scale bar guiding load metric blocks is oriented to, ensures that load metric blocks are movable in a vertical direction, led to during experiment
Cross electromagnetic controller and do the movement of falling object together with scale bar with being oriented to by load metric blocks, under certain altitude and self gravitation
Gravitional force is produced, the purpose of dynamic load is reached with this, positioning beam can be adjusted and change degree of loading by testing the load of needs
The size of gauge block is adjusted, and is sensed in load metric blocks dropping process by infrared inductor, its impact energy is by energy
Identifier measures.
The present invention operation principle be：When influence experiment of the dynamic load to scale model of digging up mine is carried out in laboratory, need
Dynamic load is carried out to it, using load metric blocks and the freely falling body of guiding scale bar, be measured in certain altitude and load
Gravitional force is produced under block self gravitation, and then loads purpose.
The inventive method is simple, easy to operate, and it is by load metric blocks and is oriented to gravitional force caused by scale bar to examination
Experiment device applies dynamic load, and the size of load metric blocks can be changed according to test requirements document, can play and add well
Effect is carried, can effectively solve the problems, such as to the dynamic load of experimental rig in laboratory, be laboratory scale model dynamic load side
Innovation in method, there is significant economic and social benefit.
Claims (6)
- The scale model dynamic loading method 1. a kind of laboratory is dug up mine, including fixed seat（1）, stand（2）, positioning beam（5）, be oriented to Scale bar（6）, load metric blocks（7）, magnechuck（8）, electromagnetic controller（10）, infrared inductor（11）And Thin interbed Device（12）, it is characterised in that described stand（2）It is fixed on fixed seat（1）On, positioning beam（5）Pass through bolt（4）With stand （2）It is connected, is oriented to scale bar（6）One end connects load metric blocks（7）, magnechuck（8）It is fixed on positioning beam（5）Inner side, Magnechuck（8）Pass through circuit（9）With electromagnetic controller（10）Connection, electromagnetic controller（10）, infrared inductor（11）With Thin interbed device（12）It is separately mounted to stand（2）Interior outside；Re-using experiment room mining scale model dynamic loading device, is pressed Following steps are carried out：The first step, laboratory mining scale model dynamic loading device is fixed, by scale model device（13）It is placed on dynamic In loading device, and scale model is set to be in load metric blocks（7）Underface；Second step, adjust positioning beam（5）Highly, load metric blocks are chosen（7）, switch on power, make magnechuck（8）It is in Working condition, magnechuck（8）Hold load metric blocks（7）, load metric blocks（7）With guiding scale bar（6）In Action of Gravity Field Lower freely falling body, gravitional force is produced to experimental rig（13）Apply dynamic load；3rd step, infrared inductor（11）Sense load metric blocks（7）, signal is delivered to Thin interbed device（12）, and Thin interbed device（12）On show.
- The scale model dynamic loading method 2. laboratory according to claim 1 is dug up mine, it is characterised in that described stand （2）Lower end is provided with fixed seat（1）, stand（2）Both sides are provided with bolt hole（3）, positioning beam（5）Height is set according to test requirements document It is fixed, and and stand（2）Between pass through bolt（4）Connection.
- The scale model dynamic loading method 3. laboratory according to claim 1 is dug up mine, it is characterised in that described guiding Scale bar（6）One end is embedded in load metric blocks（7）It is interior, it is oriented to scale bar（6）The other end passes through magnechuck（8）And positioning beam （5）, and and magnechuck（8）, positioning beam（5）Coordinate for coaxial small―gap suture.
- The scale model dynamic loading method 4. laboratory according to claim 1 is dug up mine, it is characterised in that described load Metric blocks（7）Weight set according to requirement of experiment, be oriented to scale bar（6）On be labeled with scale, embedded in load metric blocks（7）It is interior That section marked without scale, scale mark is from exposing load metric blocks（7）Start.
- The scale model dynamic loading method 5. laboratory according to claim 1 is dug up mine, it is characterised in that described electromagnetism Sucker（8）Positioning beam is fixed on glue by spy（5）Inner side, and pass through circuit（9）With electromagnetic controller（10）It is connected, electricity Magnetic controller（10）Installed in stand（2）Outside, and eventually through circuit（9）Connect power supply.
- The scale model dynamic loading method 6. laboratory according to claim 1 is dug up mine, it is characterised in that described is infrared Line inductor（11）Installed in stand（2）Inner side, its height should be higher 1 ~ 2mm than experimental rig, Thin interbed device（12）Pass through line Road（9）With infrared inductor（11）It is connected, and is arranged on stand（2）Outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610536263.3A CN107589068A (en) | 2016-07-08 | 2016-07-08 | A kind of laboratory mining scale model dynamic loading method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610536263.3A CN107589068A (en) | 2016-07-08 | 2016-07-08 | A kind of laboratory mining scale model dynamic loading method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107589068A true CN107589068A (en) | 2018-01-16 |
Family
ID=61045579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610536263.3A Pending CN107589068A (en) | 2016-07-08 | 2016-07-08 | A kind of laboratory mining scale model dynamic loading method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107589068A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1948945A (en) * | 2006-10-24 | 2007-04-18 | 中国矿业大学(北京) | Material flowing deformation disturbed effect testing system and testing method thereof |
| CN103471942A (en) * | 2013-09-18 | 2013-12-25 | 山东科技大学 | Uniaxial impact ground pressure simulation test system and application method of impact ground pressure uniaxial simulation test system |
| CN103558006A (en) * | 2013-11-06 | 2014-02-05 | 中国矿业大学 | Controllable impact force physical simulation impact test method and device for impact mine pressure roadway support |
| CN104142278A (en) * | 2014-08-25 | 2014-11-12 | 中国矿业大学 | Drop weight type dynamic and static combined load impact experimental device |
| CN104990814A (en) * | 2015-06-23 | 2015-10-21 | 哈尔滨工程大学 | Impact test device and test method for nuclear power station U-shaped pole type anti-flinging piece |
-
2016
- 2016-07-08 CN CN201610536263.3A patent/CN107589068A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1948945A (en) * | 2006-10-24 | 2007-04-18 | 中国矿业大学(北京) | Material flowing deformation disturbed effect testing system and testing method thereof |
| CN103471942A (en) * | 2013-09-18 | 2013-12-25 | 山东科技大学 | Uniaxial impact ground pressure simulation test system and application method of impact ground pressure uniaxial simulation test system |
| CN103558006A (en) * | 2013-11-06 | 2014-02-05 | 中国矿业大学 | Controllable impact force physical simulation impact test method and device for impact mine pressure roadway support |
| CN104142278A (en) * | 2014-08-25 | 2014-11-12 | 中国矿业大学 | Drop weight type dynamic and static combined load impact experimental device |
| CN104990814A (en) * | 2015-06-23 | 2015-10-21 | 哈尔滨工程大学 | Impact test device and test method for nuclear power station U-shaped pole type anti-flinging piece |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207198149U (en) | One kind is based on numerical simulation study close-in seamses group's water-retaining production experimental provision | |
| CN205449674U (en) | Experimental die pull - displacement monitoring devices is drawn to laboratory stock | |
| CN106769484B (en) | Two to static and impact dynamically load Roadway model experimental provision and experimental method | |
| CN203502301U (en) | Similar simulation material experiment equipment for roadway surrounding rock deformation | |
| CN103558006B (en) | Impulsive force controllable type impulsion pressure roadway support physical simulation impact test method and device | |
| CN106018105A (en) | Multifunctional physical simulation test system for coal engineering and coal model test method | |
| CN109490100B (en) | Drill string friction torque test device | |
| US11835431B1 (en) | True three-dimensional physical simulation system for influence of fault movement on tunnel operation and test method | |
| CN104237025A (en) | Mining fracturing simulating test method for sealing drilling | |
| CN103206202B (en) | A kind of deep-sea tube-in-tube mechanics transmission characteristic analysis design mothod device | |
| CN108732043B (en) | Deep rock mass creep impact test device capable of simulating impact disturbance | |
| CN105043852B (en) | A kind of function loading device tested suitable for mine laneway analog simulation | |
| CN203848966U (en) | Impactor impact force detection device | |
| CN105181927A (en) | Multi-field coupled low permeability coal seam hydraulic fracturing simulation test method | |
| CN110082227A (en) | Simulate the residual exploiting field coal column group of dynamic loading tool post formula stable tester and its method | |
| CN112881188B (en) | Laboratory three-dimensional dynamic rock breaking test system and method | |
| CN105067438A (en) | Model testing device capable of applying three-axis stress for tunnel dislocation destruction when movable fault zone is penetrated | |
| Huang et al. | Geostress measurements near fault areas using borehole stress-relief method | |
| CN105928650B (en) | The method of the indoor test expansion sleeve bolt anchor head bulbs of pressure | |
| CN205091195U (en) | Can apply model test device that movable fracture belt tunnel changing of relative positions of passing through of triaxial stress destroyed | |
| CN205826492U (en) | A kind of laboratory mining scale model dynamic loading device | |
| CN201424647Y (en) | Pressure box embedding device | |
| CN206129254U (en) | Simulation coal layer fracture test permeability system | |
| CN107589068A (en) | A kind of laboratory mining scale model dynamic loading method | |
| CN105134197B (en) | Reservoir pressure change induces the analogue experiment installation and its experimental method of interlayer slip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180116 |