CN106898232A - Longwall top coal caving coal-rock detection face 3D " scanning+printing " experimental benches and method - Google Patents
Longwall top coal caving coal-rock detection face 3D " scanning+printing " experimental benches and method Download PDFInfo
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- 239000003245 coal Substances 0.000 title claims abstract description 122
- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 239000011435 rock Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000007639 printing Methods 0.000 title abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 68
- 238000004088 simulation Methods 0.000 claims abstract description 51
- 238000007599 discharging Methods 0.000 claims abstract description 31
- 238000002474 experimental method Methods 0.000 claims abstract description 24
- 229920005479 Lucite® Polymers 0.000 claims abstract description 5
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 5
- 238000012800 visualization Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims 2
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
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Abstract
The invention discloses a kind of longwall top coal caving coal-rock detection face 3D " scanning+printing " experimental benches and method, including transparent experimental bench support body, graduated scale, coal-caving supporter, gear coal flat board, pneumatic hinge, enabling draw ring, transparent top coal simulation particle, prose style free from parallelism spoil simulation particle, particle screen selecting device, discharging port A, discharging opening B, 3D scanner, computer, 3D printer.The experimental bench support body is formed by connecting by four blocks of lucite, and graduated scale is carved with four sides, is connected with gear coal flat board and coal-caving supporter back timber respectively, and discharging port A and discharging opening B are located at the left and right sides, and 3D scanners are located at surrounding, and computer and 3D printer are located at side；Coal-caving supporter column is connected with particle screen selecting device, and coal flat board is seamless contacts with gear for tail boom, and caving shield and tail boom are by pneumatic gemel connection.The present invention can be automatically separated top coal and spoil simulation particle, can the different coal-rock detection faces for putting the coal moment in 3D scanner unis printing different coal occurrence condition, different caving mode decentralization coal experiments.
Description
Technical field
The present invention relates to a kind of longwall top coal caving coal-rock detection face 3D " scanning+printing " experimental benches and method, belong to mine work
Journey technical field.
Background technology
Coal Mining Equipment Complement is developed rapidly after introducing China from the eighties in 20th century, is thick and special China's exploitation
One of main method of high seam, due to the not visible property of scene top coal migration rule, it is that research is put that coal experiment is put in laboratory
Push up the main method of coal mining.The description during coal is tested for coal-rock detection face is put at present and is in two-dimensional state mostly, for it
Three-dimensional space shape properties study is less.Therefore it is simple to operate in the urgent need to one kind is practical, can intuitively reflect coal petrography point
The experimental bench of interface shape form, obtains the relation of coal-rock detection face form and top-coal recovery rate under different occurrence conditions, so as to
Fully mechanized coal face is instructed to improve top-coal recovery rate.
The content of the invention
The present invention proposes a kind of longwall top coal caving coal-rock detection face 3D " scanning+printing " experimental benches and method, and the experimental bench can
With the coal-rock detection surface development process under directly observing different coal occurrence condition, different caving modes, and 3D printing goes out space
Curved surface, realizes coal-rock detection face permanence visual research, at the same realize top coal simulation particle and spoil simulation particle from
Dynamic separation function, reduces experimenter's workload.
The present invention is adopted the following technical scheme that：
The present invention include transparent experimental bench support body, graduated scale, coal-caving supporter, gear coal flat board, pneumatic hinge, enabling draw ring,
It is transparent top coal simulation particle, a prose style free from parallelism spoil simulation particle, particle screen selecting device, discharging port A, discharging opening B, 3D scanner, computer,
3D printer；The transparent experimental bench support body is formed by connecting by four blocks of lucite, is installed on the transparent experimental bench support body
The coal-caving supporter and the graduated scale；The coal-caving supporter column is connected with the particle screen selecting device, coal-caving supporter back timber
It is connected with the transparent experimental bench support body；The gear coal flat board is connected with the transparent experimental bench support body, with the coal-caving supporter
Contact that tail boom is seamless；The caving shield and tail boom of coal-caving supporter described in the pneumatic gemel connection；The enabling draw ring is put with described
Coal support tail boom is connected；The transparent top coal simulation particle and prose style free from parallelism spoil simulation particle are layed on the coal-caving supporter successively
Side；The particle screen selecting device constitutes screening net by some stainless steel materials；The discharging port A and discharging opening B are located at described
The transparent experimental bench support body left and right sides；The 3D scanners are located at the transparent experimental bench support body surrounding；The computer and described
3D printer is located at the transparent experimental bench support body side.
The drawstring of the enabling draw ring is made up of the steel wire of certain rigidity, through the coal-caving supporter column, pulls described
Enabling draw ring realizes coal discharge outlet opening function.
The pneumatic hinge unclamps the enabling draw ring and realizes that coal discharge outlet is closed automatically by the use of compressed nitrogen as rotary motive power
Close function.
Spacing is adjustable between adjacent two stainless steel materials in the particle screen selecting device, and should be with selected simulation grain diameter
It is adapted, the different prose style free from parallelism spoil simulation particle of the particle size of whereabouts and transparent top coal simulation particle can be made a distinction,
Released by discharging port A and discharging opening B respectively.
The graduated scale is located at the transparent side of experimental bench support body four respectively, can be used to measure different layers position coal-rock detection face and cuts
Face diameter.
The prose style free from parallelism spoil simulation particle gradually invades the transparent top coal simulation particle during coal is put, and realizes coal petrography
Interface spatial shape is visualized.
The 3D scanners can be by different phase in different coal occurrence condition, different caving mode decentralization coal experiments
Coal-rock detection Surface scan restores its three-dimensional space shape, and visualization permanence is printed by the computer and the 3D printer
Coal-rock detection face.
Its experimental procedure is as follows：
Each parts of experimental bench are adjusted before a, experiment, and carry out safety inspection and exclude hidden danger, experimental bench is installed extremely
Requirement of experiment state；
B, the suitable transparent top coal simulation particle of particle size and prose style free from parallelism spoil simulation particle are chosen according to requirement of experiment, pressed
Thickness proportion is laid on experimental bench successively；
After c, simulation particle laying are finished, removal boundary effect selects a frame support as 1# coal-caving supporters；
D, according to requirement of experiment caving mode, put coal by 1# coal-caving supporters, pull the corresponding enabling of 1# coal-caving supporters
Draw ring, coal discharge outlet (coal-caving supporter tail boom) is opened and carries out putting coal；
E, the transparent top coal simulation particle released are released by discharging opening B, record top coal caving time, and enabling draw ring is unclamped after t s,
Coal is put in stopping；
F, measure different layers position coal-rock detection face tangent plane diameter now every certain altitude respectively by four side graduated scales
Size, and open four side 3D scanners coal-rock detection face form now is scanned, and by scanning result by computer control
Supporting 3D printer prints visualization space curved surface；
G, the enabling draw ring for pulling 1# coal-caving supporters, carry out putting coal again, stop putting coal once every t s, until by saturating
When bright experimental bench support body front sees that first prose style free from parallelism spoil simulation particle occurs, terminate this support and put coal process, repeat step
F, records coal-rock detection face form after each top coal caving time section t；
H, it is repeated in step d to g and is subsequently put coal, completes whole experiment；
I, by portion's remainder particulate in transparent experimental stand body from coal-caving supporter coal discharge outlet release, it is transparent top coal simulation particle and
Prose style free from parallelism spoil simulation particle is skidded off by discharging port A and discharging opening B respectively, is used for testing again.
The beneficial effects of the invention are as follows：
The present invention is using the visual characteristic of lucite to putting coal process spoil simulation particle flow rule and coal petrography point
Interface shape morphological development process is constantly observed, and realizes its visualization function；Using 3D scanners and 3D printer also
Original prints the coal-rock detection space of planes curved surface formed after each top coal caving time section, realizes its permanent visual research；Can be with
Coal petrography interface spatial shape under the conditions of observation different coal occurrence condition, different caving modes, draws coal-rock detection face with top
Relation curve between coal recovery ratio；Spoil and top coal simulation particle automatic separation are realized, person works are greatly reduced
Amount.
Brief description of the drawings
When considered in conjunction with the accompanying drawings, the present invention can more completely be more fully understood.Accompanying drawing described herein is used for providing
A further understanding of the present invention, embodiment and its illustrates, for explaining the present invention, not constitute inappropriate limitation of the present invention.
Fig. 1 is the experimental bench schematic diagram of longwall top coal caving coal-rock detection face 3D " scanning+printing " in the embodiment of the present invention.
Fig. 2 is that the experimental bench part of longwall top coal caving coal-rock detection face 3D " scanning+printing " in the embodiment of the present invention shows
It is intended to.
Before Fig. 3 is for longwall top coal caving coal-rock detection face 3D " scanning+printing " experimental benches and method put coal in the embodiment of the present invention
Schematic diagram.
After Fig. 4 is for longwall top coal caving coal-rock detection face 3D " scanning+printing " experimental benches and method put coal in the embodiment of the present invention
Schematic diagram.
Fig. 5 is longwall top coal caving coal-rock detection face 3D " scanning+printing " experimental benches and method 3D printing in the embodiment of the present invention
Go out first and put coal to terminate rear coal-rock detection face effect diagram.
Label symbol explanation in accompanying drawing：
The transparent experimental bench support bodys of 1-, 2- graduated scales, 3- coal-caving supporters, 4- gear coals flat board, the pneumatic hinges of 5-, 6- open the door and draw
The transparent top coal simulation particle of ring, 7-, 8- prose style free from parallelisms spoil simulation particle, 9- particle screen selectings device, 10- discharging port As, 11- discharging openings
B, 12-3D scanner, 13- computers, 14-3D printers.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real to enable the above objects, features and advantages of the present invention more obvious understandable
The present invention is further detailed explanation to apply mode.
Longwall top coal caving coal-rock detection face 3D " scanning+printing " experimental benches and method, including transparent experimental bench support body 1, scale
Chi 2, coal-caving supporter 3, gear coal flat board 4, pneumatic hinge 5, enabling draw ring 6, transparent top coal simulation particle 7, the simulation of prose style free from parallelism spoil
Grain 8, particle screen selecting device 9, discharging port A 10, discharging opening B 11,3D scanners 12, computer 13,3D printer 14.
As shown in Figure 1,2,3, 4, in this visualized experiment platform transparent experimental bench support body 1 connected by four blocks of lucite and
Into installation coal-caving supporter 3 and the graduated scale 2 on transparent experimental bench support body 1；The column of coal-caving supporter 3 connects with particle screen selecting device 9
Connect, the back timber of coal-caving supporter 3 is connected with transparent experimental bench support body 1；Gear coal flat board 4 is connected with transparent experimental bench support body 1, and puts coal branch
Contact that the tail boom of frame 3 is seamless；Pneumatic hinge 5 connects the caving shield and tail boom of coal-caving supporter 3；Enabling draw ring 6 and the tail boom of coal-caving supporter 3
Connection；Transparent top coal simulation particle 7 and prose style free from parallelism spoil simulation particle 8 are layed in the top of coal-caving supporter 3 successively；Particle screen selecting device
9 constitute screening net by some stainless steel materials；Discharging port A 10 and discharging opening B 11 are located at transparent experimental bench support body 1 or so two
Side；3D scanners 12 are located at the transparent surrounding of experimental bench support body 1；Computer 13 and 3D printer 14 are located at transparent experimental bench support body 1 one
Side.
Its experimental procedure is as follows：
Each parts of experimental bench are adjusted before a, experiment, and carry out safety inspection and exclude hidden danger, experimental bench is installed extremely
Requirement of experiment state；
B, the suitable transparent top coal simulation particle 7 of particle size and prose style free from parallelism spoil simulation particle 8 are chosen according to requirement of experiment,
It is laid on experimental bench successively by thickness proportion；
After c, simulation particle laying are finished, removal boundary effect selects a frame support as 1# coal-caving supporters；
D, according to requirement of experiment caving mode, put coal by 1# coal-caving supporters, pull the corresponding enabling of 1# coal-caving supporters
Draw ring 6, coal discharge outlet (tail boom of coal-caving supporter 3) is opened and carries out putting coal；
E, the transparent top coal simulation particle 7 released are released by discharging opening B 11, record top coal caving time, are unclamped after t s and opened the door
Coal is put in draw ring 6, stopping；
F, measure different layers position coal-rock detection face tangent plane diameter now every certain altitude respectively by four side graduated scales 2
Size, and open four side 3D 12 pairs of coal-rock detection face forms now of scanner and be scanned, and by scanning result by computer 13
The supporting 3D printer 14 of control prints visualization space curved surface；
G, the enabling draw ring 6 for pulling 1# coal-caving supporters, carry out putting coal again, stop putting coal once every t s, until by saturating
When the front of bright experimental bench support body 1 sees that first prose style free from parallelism spoil simulation particle 8 occurs, terminate this support and put coal process, repeat to walk
Rapid f, records coal-rock detection face form after each top coal caving time section t；
H, it is repeated in step d to g and is subsequently put coal, completes whole experiment；
I, by the inside remainder particulate of transparent experimental bench support body 1 from the coal discharge outlet of coal-caving supporter 3 release, it is transparent top coal simulation particle
7 and a prose style free from parallelism spoil simulation particle 8 skidded off by discharging port A 10 and discharging opening B 11 respectively, used for testing again.
Certainly, described above is only presently preferred embodiments of the present invention, and the present invention is not limited to enumerate above-described embodiment, should
When explanation, any those of ordinary skill in the art are all equivalents for being made, bright under the teaching of this specification
Aobvious variant, all falls within the essential scope of this specification, ought to be subject to protection of the invention.
Claims (8)
1. a kind of longwall top coal caving coal-rock detection face 3D " scans+prints " experimental bench and method, it is characterised in that including transparent experiment
Stand body, graduated scale, coal-caving supporter, gear coal flat board, pneumatic hinge, enabling draw ring, transparent top coal simulation particle, prose style free from parallelism spoil mould
Intend particle, particle screen selecting device, discharging port A, discharging opening B, 3D scanner, computer, 3D printer；The transparent experimental bench support body
It is formed by connecting by four blocks of lucite, the coal-caving supporter and the graduated scale is installed on the transparent experimental bench support body；Institute
State coal-caving supporter column to be connected with the particle screen selecting device, coal-caving supporter back timber is connected with the transparent experimental bench support body；Institute
Gear coal flat board is stated to be connected with the transparent experimental bench support body, it is seamless with the coal-caving supporter tail boom to contact；The pneumatic hinge connects
Connect the caving shield and tail boom of the coal-caving supporter；The enabling draw ring is connected with the coal-caving supporter tail boom；The transparent top coal
Simulation particle and prose style free from parallelism spoil simulation particle are layed in the coal-caving supporter top successively；The particle screen selecting device is by some
Stainless steel material composition screening net；The discharging port A and discharging opening B are located at the transparent experimental bench support body left and right sides；It is described
3D scanners are located at the transparent experimental bench support body surrounding；The computer and the 3D printer are located at the transparent experimental stand
Body side.
2. longwall top coal caving coal-rock detection face 3D according to claim 1 " scans+prints " experimental bench and method, and its feature exists
In the drawstring of the enabling draw ring is made up of the steel wire of certain rigidity, through the coal-caving supporter column, pulls described enabling to draw
Ring realizes coal discharge outlet opening function.
3. longwall top coal caving coal-rock detection face 3D according to claim 1 " scans+prints " experimental bench and method, and its feature exists
In the pneumatic hinge unclamps the enabling draw ring and realize that coal discharge outlet is automatically switched off work(by the use of compressed nitrogen as rotary motive power
Energy.
4. longwall top coal caving coal-rock detection face 3D according to claim 1 " scans+prints " experimental bench and method, and its feature exists
In spacing is adjustable between adjacent two stainless steel materials in the particle screen selecting device, and should mutually be fitted with selected simulation grain diameter
Should, the different prose style free from parallelism spoil simulation particle of the particle size of whereabouts and transparent top coal simulation particle can be made a distinction, respectively
Released by discharging port A and discharging opening B.
5. longwall top coal caving coal-rock detection face 3D according to claim 1 " scans+prints " experimental bench and method, and its feature exists
The transparent side of experimental bench support body four is located at respectively in, the graduated scale, can be used to measure different layers position coal-rock detection face tangent plane straight
Footpath.
6. longwall top coal caving coal-rock detection face 3D according to claim 1 " scans+prints " experimental bench and method, and its feature exists
In the prose style free from parallelism spoil simulation particle gradually invades the transparent top coal simulation particle during coal is put, and realizes coal-rock detection
Space of planes form is visualized.
7. longwall top coal caving coal-rock detection face 3D according to claim 1 " scans+prints " experimental bench and method, and its feature exists
In the 3D scanners can be by the coal petrography in different coal occurrence condition, different caving mode decentralization coal experiments not in the same time
Boundary Surface scan restores its three-dimensional space shape, and visualization permanence coal petrography is printed by the computer and the 3D printer
Interface.
8. longwall top coal caving coal-rock detection face 3D according to claim 1 " scans+prints " experimental bench and method, and its feature exists
It is as follows in its experimental procedure：
Each parts of experimental bench are adjusted before step a, experiment, and carry out safety inspection and exclude hidden danger, experimental bench is installed extremely
Requirement of experiment state；
Step b, the suitable transparent top coal simulation particle of particle size and prose style free from parallelism spoil simulation particle are chosen according to requirement of experiment, pressed
Thickness proportion is laid on experimental bench successively；
After step c, simulation particle laying are finished, removal boundary effect selects a frame support as 1# coal-caving supporters；
Step d, according to requirement of experiment caving mode, put coal by 1# coal-caving supporters, pull the corresponding enabling of 1# coal-caving supporters
Draw ring, coal discharge outlet (coal-caving supporter tail boom) is opened and carries out putting coal；
Step e, the transparent top coal simulation particle released are released by discharging opening B, record top coal caving time, and enabling draw ring is unclamped after ts,
Coal is put in stopping；
Step f, measure different layers position coal-rock detection face tangent plane diameter now every certain altitude respectively by four side graduated scales
Size, and open four side 3D scanners coal-rock detection face form now is scanned, and by scanning result by computer control
Supporting 3D printer prints visualization space curved surface；
Step g, the enabling draw ring for pulling 1# coal-caving supporters, carry out putting coal again, stop putting coal once every ts, until by transparent
When experimental bench support body front sees that first prose style free from parallelism spoil simulation particle occurs, terminate this support and put coal process, repeat step f,
Record coal-rock detection face form after each top coal caving time section t；
Step h, it is repeated in step d to g and is subsequently put coal, completes whole experiment；
Step i, by portion's remainder particulate in transparent experimental stand body from coal-caving supporter coal discharge outlet release, it is transparent top coal simulation particle and
Prose style free from parallelism spoil simulation particle is skidded off by discharging port A and discharging opening B respectively, is used for testing again.
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| CN110954671B (en) * | 2018-09-27 | 2024-01-26 | 中国矿业大学(北京) | Fully-mechanized caving mining simulation experiment device and method based on stress luminescent material |
| CN109470501A (en) * | 2018-10-24 | 2019-03-15 | 中国矿业大学(北京) | A kind of similar reconstruction model experimental provision and method based on three-dimensional geological exploration |
| CN114033494A (en) * | 2021-10-18 | 2022-02-11 | 中国矿业大学 | Simulation test system and test method based on top coal caving |
| CN114033494B (en) * | 2021-10-18 | 2024-05-07 | 中国矿业大学 | Roof caving coal based simulation test system and test method |
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