CN208781484U - Large-inclination-angle coal bed bracket and Surrounding Rock System four-dimension physical simulation experiment platform - Google Patents
Large-inclination-angle coal bed bracket and Surrounding Rock System four-dimension physical simulation experiment platform Download PDFInfo
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- CN208781484U CN208781484U CN201820830582.XU CN201820830582U CN208781484U CN 208781484 U CN208781484 U CN 208781484U CN 201820830582 U CN201820830582 U CN 201820830582U CN 208781484 U CN208781484 U CN 208781484U
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- loading frame
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- 239000003245 coal Substances 0.000 title claims abstract description 44
- 238000004088 simulation Methods 0.000 title claims abstract description 32
- 239000011435 rock Substances 0.000 title claims abstract description 21
- 239000002828 fuel tank Substances 0.000 claims abstract description 9
- 238000002474 experimental method Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000011160 research Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a kind of large-inclination-angle coal bed brackets and Surrounding Rock System four-dimension physical simulation experiment platform, including outer fixed frame and the fixed frame crossbeam being located in the middle part of outer fixed frame, and it is located at the rotating stand and rotational fuel tank of outer fixed frame bottom and supporting loading frame member；It is equipped with simulation coal seam in loading frame, several row's top plate load cylinders are set at the top of loading frame, sets several upper end load cylinders and bracket load cylinder respectively in the right in simulation coal seam, the left side sets mobile stope position oil cylinder；It is equipped with arc-shaped guide rail on outer fixed frame, is exerted a force by rotational fuel tank to loading frame, loading frame changes along outer fixed frame realizes stable rotation；By adjusting top plate load cylinder and mobile stope position oil cylinder, so that top plate load cylinder remains that vertical direction loads under loading frame.The platform provides favourable conditions for the working condition for simulating the bracket in large-inclination-angle coal bed four dimensional scaffolds-Surrounding Rock System and instability status research.
Description
Technical field
The utility model relates to a kind of mine seam mining experimental provision, especially a kind of large-inclination-angle coal bed bracket and country rock
System four-dimension physical simulation experiment platform.
Background technique
It is well known that the large-inclination-angle coal bed complexity for moving towards the distribution of coal wall surrouding rock stress results in, " bracket-encloses
Bracket in general sense, at " unstable state " system, is passed through control of the working resistance to top plate by " stable state " system by rock " system
System has extended to bracket and had not only needed to control roof and floor by working resistance, but also needs through working resistance and architectural characteristic
Combination the stability of itself and " bracket-country rock " system is controlled.Moreover, it bows oblique work in high inclination-angle puppet
Face, effect of the bracket by the pseudo- tilted direction of bowing in goaf spoil edge, while bracket is contacted with front coal wall, makes " bracket-country rock "
System stability is more complicated, results in large inclination working surface support stability and is difficult to control.
Utility model content
To solve drawbacks described above existing in the prior art, the purpose of this utility model is to provide a kind of large-inclination-angle coal bed
" bracket-country rock " system four-dimension physical simulation experiment platform, large-inclination-angle coal bed four-dimensional " bracket-country rock " system of the platform analog
In bracket working condition and instability status.Effectively to study four-dimensional " bracket-country rock " system stability of large inclination working surface
Provide favourable conditions.There is very big facilitation for studying large-inclination-angle coal bed safety and high efficiency.
The utility model is realized by following technical proposals.
A kind of large-inclination-angle coal bed bracket and Surrounding Rock System four-dimension physical simulation experiment platform, including outer fixed frame and be located at
Fixed frame crossbeam in the middle part of outer fixed frame, and it is located at the rotation branch of outer fixed frame bottom and supporting loading frame member
Seat and rotational fuel tank；Be equipped in loading frame simulation coal seam, set at the top of loading frame several row's angles or so it is adjustable, plus
The top plate load cylinder being downloaded on simulation coal seam sets the adjustable upper end of several angles or more in the right in simulation coal seam respectively
Load cylinder and bracket load cylinder, the left side set mobile stope position oil cylinder；
It is equipped with arcuate rotation guide rail on outer fixed frame, is exerted a force by rotational fuel tank to loading frame, by loading frame
Frame realizes stable rotation along 0~60 ° of range of outer fixed frame；By adjusting and moving stope position oil cylinder, so that top plate
Load cylinder remains that vertical direction is loaded in 0~60 ° of range of loading frame.
For above-mentioned technical proposal, there are also further preferred schemes for the utility model:
Further, the top plate load cylinder is applied on the top plate above simulation coal seam by bearing plate, below top plate
Several brackets are additionally provided with, several brackets simulate along top plate perpendicular separation parallelly distribute on and are equipped with bottom plate, bottom plate below coal seam and bracket
The inclined angular distribution of frame bottom along loading frame.
Further, the top plate load cylinder is applied directly on simulation coal seam by bearing plate, if below bearing plate
Heavenly Stems and Earthly Branches frame is directly placed at frame bottom in loading frame along bearing plate perpendicular separation parallelly distribute on, bracket.
Further, arch is equipped with several row's top plate load cylinders in loading frame, be equipped on the right side of loading frame with it is every
Arrange the corresponding upper end load cylinder of top plate load cylinder and bracket load cylinder；Each load cylinder and each row's top plate load oil
The top plate or bracket of cylinder connection connect, and the oil cylinder bearing plate at bracket rear is hinged on bracket load cylinder.
Further, the fixed frame crossbeam being located in the middle part of outer fixed frame is respectively distributed with one in upper and lower four direction
Root, outer fixed frame are made of with the Vierendeel girder of hang plate top, are collectively formed by outer fixed frame and fixed frame crossbeam
Experiment porch frame.
Further, it is set on the outer fixed frame there are two arcuate rotation guide rail, in loading frame two opposite frames
It is equipped with corresponding guide rail roller bearing, it is mobile that the guide rail roller bearing of loading frame arcuately rotates guide rail.
The utility model has the beneficial effects that:
The utility model device real simulation loaded feature of large-inclination-angle coal bed fully-mechanized mining working bracket, for research " top
Plate-bracket-bottom plate " and the dynamic process of " spoil-bracket-coal wall " both direction upper bracket unstability create condition, to disclose
The four-dimensional mechanism of action of large-inclination-angle coal bed fully-mechanized mining working " bracket-country rock " provides safeguard.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
It does not constitute improper limits to the present invention, in the accompanying drawings:
Fig. 1 is the utility model main view；
Fig. 2 (a)-Fig. 2 (c) is respectively the partial enlarged view at B, C, E, D, F of Fig. 1；
Fig. 3 is the side view of Fig. 1.
In figure: 1, outer fixed frame；2, fixed frame crossbeam；3, rotating stand；4, rotational fuel tank；5, arcuate rotation is led
Rail；6, guide rail roller bearing；7, loading frame；8, upper end load cylinder；9, top plate load cylinder；10, bearing plate；11, top plate；
12, bracket；13, stope position oil cylinder；14, bottom plate；15, oil cylinder bearing plate；16, bracket load cylinder；17, coal seam is simulated.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing and specific embodiment, in the signal of this utility model
Property embodiment and explanation be used to explain the utility model, but be not intended to limit the scope of the present invention.
As shown in Fig. 1,2 (a)-(c), Fig. 3, the large-inclination-angle coal bed bracket of the utility model and the physical analogy of the Surrounding Rock System four-dimension
Experiment porch, including outer fixed frame 1 are located at the fixed frame crossbeam 2 at outer 1 middle part of fixed frame, are located in outer fixed frame 1
The fixed frame crossbeam 2 in portion is respectively distributed with one in upper and lower four direction, and outer fixed frame 1 is had the frame of hang plate by top
Beam is constituted, and collectively forms experiment porch frame by outer fixed frame 1 and fixed frame crossbeam 2.Two are equipped on outer fixed frame 1
A arcuate rotation guide rail 5 is equipped with corresponding guide rail roller bearing 6, the guide rail of loading frame 7 on loading frame 7 two opposite frames
It is mobile that roller bearing 6 arcuately rotates guide rail 5.
It further include the rotating stand 3 and rotational fuel tank 4 for being located at outer 1 bottom of fixed frame and the rotation of supporting loading frame 7,
It is equipped with simulation coal seam 17 in loading frame 7, sets that several row's angles or so are adjustable, are loaded into simulation coal at the top of loading frame 7
Top plate load cylinder 9 on layer 17 sets the adjustable upper end load of several angles or more in the right in simulation coal seam 17 respectively
Oil cylinder 8 and bracket load cylinder 16, the left side set mobile stope position oil cylinder 13；Arc turns there are two setting on outer fixed frame 1
Dynamic guide rail 5 is equipped with three pairs of guide rail roller bearings 6 on loading frame 7 two opposite frames, is applied by rotational fuel tank 4 to loading frame 7
Power realizes stable rotation along 0~60 ° of range of outer fixed frame by loading frame 7；By adjusting and moving stope position
Oil cylinder 13, so that top plate load cylinder 9 remains that vertical direction is loaded when loading frame 7 is in 0~60 ° of range.
As shown in Figure 1, arch is equipped with 3 row's angles or so adjustable top plate load cylinder 9, every row in loading frame 7
15, bearing plate 10 is equipped with below top plate load cylinder 9,10 lower section of bearing plate is manually equipped with top plate 11, top plate load cylinder 9
It is applied to by bearing plate 10 on the top plate 11 of 17 top of simulation coal seam, several brackets 12 is additionally provided with below top plate 11, it is several
Frame 12 is along 11 perpendicular separation parallelly distribute on of top plate；12 lower part of bracket is the bottom plate 14 being manually laid with；Bottom plate 14 is along loading frame 7
The inclined angular distribution of frame bottom.3 angles or more adjustable upper end load cylinder 8 and bracket are equipped on the right side of loading frame 7
Load cylinder 16, left side are equipped with mobile stope position oil cylinder 13；Each load cylinder 8 is connect with each row's top plate load cylinder 9
Top plate 11 connects, and the oil cylinder bearing plate 15 at bracket rear is hinged on bracket load cylinder 16, by top plate 11 and bracket 12 and bottom
Plate 14 constitutes stope space.
Embodiment:
When being tested, loading frame 7 is horizontal positioned, artificial to be laid with top plate 11 and bottom plate 14 and simulation coal seam 17, paving
If after the completion, loading frame 7 to be gone to the angle of needs, the load of top plate load cylinder 9 is adjusted by stope position oil cylinder 13
Angle makes it keep vertical load.
Coal seam is excavated, bracket 12 is arranged in stope, both very can tiltedly be arranged, it can also pseudo- tiltedly arrangement.It is loaded by top plate
Oil cylinder 9, upper end load cylinder 8 and bracket load cylinder 16 are loaded, and top plate 11 and bottom plate 14, above-mentioned top can not also be laid with
Plate load cylinder 9 is acted directly on simulation coal seam 17 by bearing plate 10, and bracket 12 is directly placed at 7 inside casing of loading frame
Bottom.
One is given below by specific structure principle to further illustrate the utility model.
(1) internal stope space
Stope space is rectangular box body, is spliced in front of cabinet by 2~3 isometric narrow boards, convenient for simulation material
The progress of the work such as filling and the advance of the face.
Stope should actually reach 30cm along advance of the face direction, and (advance of the face 3~5 circulations, single depth are 60
~100mm), along inclined direction reach 90cm (about 10~15 frame bracket), the height of stope should be in 10~15cm range.It is internal
Stope bulk: 90 × 30 × 75cm；
(2) loading frame
Top plate load cylinder arranges that Preliminary design is 3 rows, single 15, amounts to 45.Working face upper end load cylinder 3
It is a；Bracket load cylinder；Mobile stope position oil cylinder 1；Load cylinder angle is adjustable, guarantees that top plate load cylinder is being tested
Frame angle can remain that vertical direction loads when being 0~60 ° of range.Guarantee upper end load cylinder in experiment frame angle
It is loaded for that can be remained when 0~60 ° of range with bottom plate parallel direction.Goaf stope position oil cylinder is pushed through in working face
Afterwards, can with bottom plate parallel plane in bracket application is acted on, and oil cylinder angle passes through flexible pass in 0~60 ° of range
Power bar is connect with rotatably force rectangular slab, simulates effect of the goaf spoil to bracket.Concentration, list can be used when loading in top plate
Only control mode, analog realize roof weighting.
3 load cylinders of working face upper end can both load simultaneously, can also realize single load, can control and realize top plate
Pressure.Upper end load cylinder utilizes T-shaped plate power transmission (shown in Fig. 2 (b)), not only constrained effect, but also can inside power transmission.Oil cylinder adds
Carrying power can reach 0.125MPa.Inner frame loading frame size: long * wide * high=1.65m*0.5m*1.05m.
(3) fixed frame
Experiment frame angle is stepless adjustable within the scope of 0~60 °, has stabilizing control system, need to be convenient for test and personnel behaviour
Make.Interior fixed outer framework guarantees that interior loading frame is stablized by arcuate rotation guide rail in angle rotary course.Outer fixed frame is also
Should have observation ancillary equipment, such as: ladder, platform for personnel's observation.Outer fixed frame size: long * wide * high=2m*
0.8m*2m。
The utility model is not limited to above-described embodiment, on the basis of technical solution disclosed by the utility model, this
For the technical staff in field according to disclosed technology contents, not needing creative labor can be special to some of which technology
Sign makes some replacements and deformation, these replacements and deformation are within the protection scope of the present utility model.
Claims (6)
1. a kind of large-inclination-angle coal bed bracket and Surrounding Rock System four-dimension physical simulation experiment platform, it is characterised in that: including outer fixation
Frame (1) and the fixed frame crossbeam (2) being located in the middle part of outer fixed frame (1), and be located at outer fixed frame (1) bottom and prop up
Support the rotating stand (3) and rotational fuel tank (4) of loading frame (7) rotation；Simulation coal seam is equipped in loading frame (7)
(17), the top plate load cylinder that several row's angles or so are adjustable, are loaded into simulation coal seam (17) is set at the top of loading frame (7)
(9), the adjustable upper end load cylinder (8) of several angles or more and bracket load are set respectively in the right of simulation coal seam (17)
Oil cylinder (16), the left side set mobile stope position oil cylinder (13)；
Arcuate rotation guide rail (5) are equipped on outer fixed frame (1), is exerted a force, is led to loading frame (7) by rotational fuel tank (4)
It crosses loading frame (7) and realizes stable rotation along 0~60 ° of range of outer fixed frame；By adjust top plate load cylinder (9) and
Mobile stope position oil cylinder (13), so that top plate load cylinder (9) is remained in (7) 0~60 ° of ranges of loading frame
Vertical direction load.
2. large-inclination-angle coal bed bracket according to claim 1 and Surrounding Rock System four-dimension physical simulation experiment platform, feature
It is: on the top plate (11) that the top plate load cylinder (9) is applied to above simulation coal seam (17) by bearing plate (10), top plate
(11) lower section is additionally provided with several brackets (12), and several brackets (12) simulate coal seam along top plate (11) perpendicular separation parallelly distribute on
(17) and below bracket (12) bottom plate (14) are equipped with, bottom plate (14) is along the inclined angular distribution of loading frame (7) interior frame bottom.
3. large-inclination-angle coal bed bracket according to claim 1 and Surrounding Rock System four-dimension physical simulation experiment platform, feature
Be: the top plate load cylinder (9) is applied directly in simulation coal seam (17) by bearing plate (10), below bearing plate (10)
Several brackets (12) along bearing plate (10) perpendicular separation parallelly distribute on, bracket (12) is directly placed at loading frame (7) inside casing
Bottom.
4. flat according to the described in any item large-inclination-angle coal bed brackets of claim 2-3 and Surrounding Rock System four-dimension physical simulation experiment
Platform, it is characterised in that: be equipped with several row's top plate load cylinders (9), loading frame (7) right side in loading frame (7) interior arch
Equipped with upper end load cylinder (8) corresponding with every row's top plate load cylinder (9) and bracket load cylinder (16)；Each load oil
The top plate (11) or bracket (12) that cylinder (8) is connect with each row's top plate load cylinder (9) connect, hinged on bracket load cylinder (16)
There is the oil cylinder bearing plate (15) at bracket rear.
5. large-inclination-angle coal bed bracket according to claim 1 and Surrounding Rock System four-dimension physical simulation experiment platform, feature
Be: the fixed frame crossbeam (2) being located in the middle part of outer fixed frame (1) is respectively distributed with one in upper and lower four direction, outside
Fixed frame (1) is made of top with the Vierendeel girder of hang plate, common by outer fixed frame (1) and fixed frame crossbeam (2)
Constitute experiment porch frame.
6. large-inclination-angle coal bed bracket according to claim 1 and Surrounding Rock System four-dimension physical simulation experiment platform, feature
It is: is set on the outer fixed frame (1) there are two arcuate rotation guide rail (5), on loading frame (7) two opposite frames
Equipped with corresponding guide rail roller bearing (6), it is mobile that the guide rail roller bearing (6) of loading frame (7) arcuately rotates guide rail (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820830582.XU CN208781484U (en) | 2018-05-30 | 2018-05-30 | Large-inclination-angle coal bed bracket and Surrounding Rock System four-dimension physical simulation experiment platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820830582.XU CN208781484U (en) | 2018-05-30 | 2018-05-30 | Large-inclination-angle coal bed bracket and Surrounding Rock System four-dimension physical simulation experiment platform |
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| Publication Number | Publication Date |
|---|---|
| CN208781484U true CN208781484U (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820830582.XU Expired - Fee Related CN208781484U (en) | 2018-05-30 | 2018-05-30 | Large-inclination-angle coal bed bracket and Surrounding Rock System four-dimension physical simulation experiment platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766178A (en) * | 2018-05-30 | 2018-11-06 | 西安科技大学 | A kind of large-inclination-angle coal bed holder and Surrounding Rock System four-dimension physical simulation experiment platform |
| CN113863982A (en) * | 2021-09-03 | 2021-12-31 | 中煤科工集团西安研究院有限公司 | Large-scale real three-dimensional old air disaster simulation experiment device that permeates water |
-
2018
- 2018-05-30 CN CN201820830582.XU patent/CN208781484U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766178A (en) * | 2018-05-30 | 2018-11-06 | 西安科技大学 | A kind of large-inclination-angle coal bed holder and Surrounding Rock System four-dimension physical simulation experiment platform |
| CN108766178B (en) * | 2018-05-30 | 2023-05-16 | 西安科技大学 | Four-dimensional physical simulation experiment platform for large-dip-angle coal seam support and surrounding rock system |
| CN113863982A (en) * | 2021-09-03 | 2021-12-31 | 中煤科工集团西安研究院有限公司 | Large-scale real three-dimensional old air disaster simulation experiment device that permeates water |
| CN113863982B (en) * | 2021-09-03 | 2024-05-03 | 中煤科工集团西安研究院有限公司 | Large-scale true three-dimensional hollow permeable disaster simulation experiment device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190423 |