CN204807544U - Visual three -dimensional simulation modeling experiment device in big inclination stratum - Google Patents
Visual three -dimensional simulation modeling experiment device in big inclination stratum Download PDFInfo
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- CN204807544U CN204807544U CN201520123661.3U CN201520123661U CN204807544U CN 204807544 U CN204807544 U CN 204807544U CN 201520123661 U CN201520123661 U CN 201520123661U CN 204807544 U CN204807544 U CN 204807544U
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Abstract
The utility model discloses a visual three -dimensional simulation modeling experiment device in big inclination stratum, the on -line screen storage device comprises a base, the base is connected with the activity and prevents empting the fagging, be provided with the support frame on the base, be provided with the feed bin on the support frame, be provided with adjustable cang gai on the feed bin, the feed bin side is provided with first transparent plate, second transparent plate, the feed bin bottom is provided with excavation billet and support billet, be provided with on the support frame and drive feed bin pivoted riser, the riser includes first riser main brace pole, second riser main brace pole, riser connecting rod, riser screw rod, riser strengthening rib and driver, the driver with the riser screw rod links to each other. The utility model discloses can adapt to the three -dimensional simulation experiment requirement on different inclination stratum under six visual conditions, especially can carry out the three -dimensional simulation experiment in 35 - 75 big inclination stratum, and have reliable, the miniaturized high accuracy of simple structure, the portable advantages such as observation and daylighting, mobility, convenient to use that make things convenient for.
Description
Technical field
The utility model relates to a kind of three-dimensional modelling experimental provision of adjustable-angle, is specifically related to a kind of visual three-dimensional modelling experimental provision of large dip angle strata six of adjustable-angle.
Background technology
The large-inclination-angle coal bed reserves that China's seam inclination is greater than 35 ° account for 15% ~ 20% of national coal total reserves, and wherein the coal seam reserves at 45 °-75 °, inclination angle account for 60%.Physical simulation is the effective means that mining research is commonly used, and comparatively ripe is plane simulation experimental technique.The Roof Control of moderate dip and flat seam exploitation can be reduced to plane problem, and plane simulation device can be adopted to study.And the roof caving after mining steeply dipping coal seam relates to the motion of on the strike and across strike both direction, belong to three-dimensional problem, three-dimensional modelling device must be adopted to study.
Existing large stereo analogue experiment installation, adopts traditional river sand as simulation material, and moulded dimension is large, and experimental period is long; Surrounding adopts steel plate, can not have an X-rayed, irremovable; Non-adjustable angle, can not simulate large-inclination-angle coal bed.In addition, the half three-dimensional modelling device also having some medium-sized, also non-adjustable angle, irremovable, surrounding can not have an X-rayed, be inconvenient to test and carry out.Can perspective simulation device in order to prevent perspective board reflective, higher to the angle requirement of available light, convenient mobile very important to the shooting of experimental phenomena.
Utility model content
For solving the problem, the utility model provides the visual three-dimensional analog simulation experimental device of a kind of large dip angle strata, the requirement of experiment on differing tilt angles stratum can be adapted under six visual conditions, and have simple and reliable for structure, miniaturization high precision, moveable convenient observe and daylighting, mobility, the advantage such as easy to use.
For achieving the above object, the technical scheme that the utility model is taked is:
The visual three-dimensional analog simulation experimental device of large dip angle strata, comprise base, described base is connected with movable overturning-preventing fagging, described base is provided with bracing frame, support frame as described above comprises and is arranged on side guide on base and rear fender spaced with side guide, support frame as described above is provided with feed bin, described feed bin is wrapped with feed bin frame, described feed bin is provided with adjustable Cang Gai, described feed bin side is provided with the first transparent panel, second transparent panel, described bin bottom is provided with excavation steel bar and support steel bar, support frame as described above is provided with the lifter driving feed bin to rotate, described lifter comprises the first lifter main supporting rod, second lifter main supporting rod, lifter connecting rod, jack screw, lifter reinforcement and driver, described driver is connected with described jack screw, described jack screw and described first lifter main supporting rod, second lifter main supporting rod is connected, described first lifter main supporting rod, second lifter main supporting rod is connected with lifter connecting rod, described lifter connecting rod is connected with feed bin side, described movable overturning-preventing fagging is connected with rear fender by bearing, described movable overturning-preventing fagging is arranged with stable fagging, the bottom of described feed bin is provided with connecting rod, described connecting rod is connected with bin bottom by bearing side, described connecting rod opposite side is connected with described lifter, described bin bottom is provided with spring, one end of spring is arranged on the base angle of feed bin, the other end of spring is connected with base, when rotating under the drive of feed bin at lifter, spring has traction action to feed bin, prevent seal silo from rotating too fast, cause the experiment material generation relative motion of seal silo inside and be destroyed.
Preferably, the steel plate that described excavation steel bar is 0.4cm by thickness is made, described excavation steel bar is convex shape, described excavation steel bar both sides are provided with extension, the length of described extension is 2cm, both sides extension is equipped with the screw that diameter is 3mm, described excavation steel bar is connected with bin bottom with nut by screw.
Preferably, the pedestal of described support steel bar is that 0.4cm steel plate is made by thickness, described support steel bar is furnished with the simulation support that 33 1.5cm are wide, described simulation support is provided with stress loop, can the force-bearing situation of Real-Time Monitoring support, described simulation bracket base is provided with the hole of φ 5mm, facilitate stress loop wire to draw and measure support load, described support steel bar is fixedly connected with bin bottom by nut, and is arranged in below the continuous excavated surface advanced by replacing the excavation steel bar of excavated surface bottom all the time.
Preferably, described base side is provided with an angle scale.
Preferably, the bottom of described base is provided with movable pulley.
Preferably, described driver is hand crank.
Preferably, described adjustable case lid is poly (methyl methacrylate) plate.
Preferably, the first described transparent panel and the second transparent panel are poly (methyl methacrylate) plate.
Preferably, described movable overturning-preventing fagging is collapsible, and the height of described stable fagging regulates voluntarily by variable valve.
The utility model has following beneficial effect:
The utility model carries out testing under six visual environment, and the three-dimensional more comprehensively can observing overlying strata is destroyed and is caving the characteristics of motion, improves the accuracy of experiment; By the elevating function of lifter self, make the adjustable different angles of three-dimensional experimental provision, simulate the coal seam at the inclination angle of 0 °-75 °, expand the scope of application of device; The setting of bin bottom excavation steel bar and support steel bar, makes excavation simulation convenient, and the overlying strata being also convenient to observe from base plate excavation bar workplace goaf are caving state, compensate for the deficiency of device in the past.Simulation support can obtain the stressing conditions of support, and Real-Time Monitoring face roof pressure changes, and the Support selection and the Roof Control that can be the exploitation of real work face provide reliable foundation.In addition, this device can adopt the meticulous analog materials such as silica sand as aggregate, can realize small scale, high precision, little workload, shorten experimental period, reduce experimental cost.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the visual three-dimensional analog simulation experimental device of the utility model embodiment large dip angle strata.
Fig. 2 is the right TV structure schematic diagram of the visual three-dimensional analog simulation experimental device of the utility model embodiment large dip angle strata.
Fig. 3 is the left TV structure schematic diagram of the visual three-dimensional analog simulation experimental device of the utility model embodiment large dip angle strata.
Fig. 4 is the visual three-dimensional analog simulation experimental device mid-riser systematic schematic diagram of the utility model embodiment large dip angle strata.
Fig. 5 is the structural representation excavating steel bar in the visual three-dimensional analog simulation experimental device of the utility model embodiment large dip angle strata.
Fig. 6 is the visual three-dimensional analog simulation experimental device medium-height trestle steel bar structural representation of the utility model embodiment large dip angle strata.
Fig. 7 is the side view of the visual three-dimensional analog simulation experimental device medium-height trestle steel bar of the utility model embodiment large dip angle strata.
Embodiment
In order to make the purpose of this utility model and advantage clearly understand, below in conjunction with embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As Figure 1-4, the utility model embodiment provides the visual three-dimensional analog simulation experimental device of a kind of large dip angle strata, comprise base 1, described base 1 is connected with movable overturning-preventing fagging 5, described base 1 is provided with bracing frame, support frame as described above comprises and is arranged on side guide 3 on base 1 and rear fender 20 spaced with side guide 3, support frame as described above is provided with feed bin 17, described feed bin 17 is wrapped with feed bin frame 22, described feed bin 17 is provided with adjustable storehouse lid 15, described feed bin 17 side is provided with the first transparent panel 13, second transparent panel 14, excavation steel bar 12 and support steel bar 24 is provided with bottom described feed bin 17, support frame as described above is provided with the lifter 10 driving feed bin 1 to rotate, described lifter 10 comprises the first lifter main supporting rod 8, second lifter main supporting rod 9, lifter connecting rod 11, jack screw 6, lifter reinforcement 18 and driver 7, described driver 7 is connected with described jack screw 6, described jack screw 6 and described first lifter main supporting rod 8, second lifter main supporting rod 9 is connected, described first lifter main supporting rod 8, second lifter main supporting rod 9 is connected with lifter connecting rod 11, described lifter connecting rod 11 is connected with feed bin 17 side, described movable overturning-preventing fagging 5 is connected with rear fender 20 by bearing 21, described movable overturning-preventing fagging 5 is arranged with stable fagging 4, the bottom of described feed bin 17 is provided with connecting rod 11, described connecting rod 11 is connected with bottom feed bin 17 by stationary shaft 16 side, described connecting rod 11 opposite side is connected with described lifter 10, spring 23 is provided with bottom described feed bin 17, one end of spring 23 is arranged on the base angle of feed bin 17, the other end of spring 23 is connected with base 1, when feed bin 17 rotates under the drive of lifter 10, spring has traction action to feed bin, prevent seal silo from rotating too fast, cause the experiment material generation relative motion of seal silo inside and be destroyed
As illustrated in figs. 5-7, the steel plate that described excavation steel bar 12 is 0.4cm by thickness is made, described excavation steel bar 12 is convex shape, described excavation steel bar 12 both sides are provided with extension, the length of described extension is 2cm, both sides extension is equipped with the screw that diameter is 3mm, described excavation steel bar 12 is connected with bottom feed bin 17 with nut by screw, the pedestal of described support steel bar 24 is that 0.4cm steel plate is made by thickness, described support steel bar 24 is furnished with the simulation support 26 that 33 1.5cm are wide, described simulation support 26 is provided with stress loop, can the force-bearing situation of Real-Time Monitoring support, described simulation bracket base is provided with the hole of φ 5mm, facilitate stress loop wire to draw and measure support load, described support steel bar 24 is fixedly connected with bottom feed bin 17 by nut, described base 1 side is provided with an angle scale 25, the bottom of described base 1 is provided with movable pulley 2, described driver 7 is hand crank.Described adjustable case lid 15 is poly (methyl methacrylate) plate.The first described transparent panel 13 and the second transparent panel 14 are poly (methyl methacrylate) plate.Described movable overturning-preventing fagging 5 is collapsible, and the height of described stable fagging 4 regulates voluntarily by variable valve 19.
This concrete lifter of implementing is the principle design using scissor-like jack, and bottom is the internal thread block that two pieces of hand of spirals are contrary, and when bolt rotary, two threaded blocks move round about, then drive four-bar mechanism, realize elevating function.
When model is mated formation, first movable overturning-preventing fagging is opened, regulate elevating lever, feed bin is placed in horizontality, fixing movable pulley; Excavation steel bar is arranged in bin bottom production zone, and steel bar height is concordant with base plate; Lay coal seam according to design at bin bottom, then successively lay top board, reach design thickness; Operation elevating lever, makes seam inclination in feed bin reach the angle of simulation needed for coal seam; Opening driver, allows rocking bar drive jack screw to rotate, thus lifter height is changed, make lifter connecting rod increase, drive the rotation of the feed bin fixed with bearing, makes feed bin turn to angle needed for simulated formation, fixes lifter.
During model excavation, by screwing the nut being fixed on excavation steel bar 12 two ends, realizing removing and steel bar device being installed, thus can excavate coal seam from bottom, realizing simulation.For 1: 200 geometric similarity ratio, excavation steel bar 12 width is 1.4cm, is equivalent to workplace three and cuts deep length.During initial excavation, remove the 1st and the 2nd steel bar respectively, excavated surface cuts eye, after this installs the support steel bar 25 that width is 2.8cm.When workplace normally advances, support steel bar 25 moves forward successively, and excavation steel bar is installed in the goaf at rear portion in time.By constantly excavating the dismounting of steel bar 24 and support steel bar 25, realize the simulation of the advance of the face, and force piece load can be measured.
Position corresponding on side guide 3 is provided with angle display panel, conveniently can learn the angle of body pivot.The bottom of base 1 is provided with movable pulley 2, this device can be driven to move by movable pulley 2, as poor at experimental situation light, by movable pulley 2, this device be moved to the position of well lighted.Described driver 7 is hand crank, by hand crank manpower drive screw 9, very easy to use, and has saved experimental cost.Transparent panel 13,14 is glass plate, by arranging glass plate, can meet the requirement of people's observation experiment phenomenon, and glass plate is cheap.
After having excavated or at the mining phase of necessity, the excavation steel bar of detachable gob floor, releases inbreak top board, and that observes overburden of the goaf is caving shape of space structure; Also surface subsidence is observed, by phenomenons such as surrounding visible observation strata movements by case lid.The subsurface formations can simulating mining steeply dipping coal seam really by this device moves the steric environment of destruction, for Practical Project provides scientific basis.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. the visual three-dimensional analog simulation experimental device of large dip angle strata, it is characterized in that, comprise base (1), described base (1) is connected with movable overturning-preventing fagging (5), (1) is provided with bracing frame to described base, support frame as described above comprise be arranged on side guide (3) on base (1) and with side guide (3) spaced rear fender (20), support frame as described above is provided with feed bin (17), described feed bin (17) is wrapped with feed bin frame (22), described feed bin (17) is provided with adjustable Cang Gai (15), described feed bin (17) side is provided with the first transparent panel (13), second transparent panel (14), described feed bin (17) bottom is provided with excavation steel bar (12) and support steel bar (24), support frame as described above is provided with the lifter (10) driving feed bin (1) to rotate, described lifter (10) comprises the first lifter main supporting rod (8), second lifter main supporting rod (9), lifter connecting rod (11), jack screw (6), lifter reinforcement (18) and driver (7), described driver (7) is connected with described jack screw (6), described jack screw (6) and described first lifter main supporting rod (8), second lifter main supporting rod (9) is connected, described first lifter main supporting rod (8), second lifter main supporting rod (9) is connected with lifter connecting rod (11), described lifter connecting rod (11) is connected with feed bin (17) side, described movable overturning-preventing fagging (5) is connected with rear fender (20) by bearing (21), described movable overturning-preventing fagging (5) is arranged with stable fagging (4), the bottom of described feed bin (17) is provided with connecting rod (11), described connecting rod (11) is connected with feed bin (17) bottom by stationary shaft (16) side, described connecting rod (11) opposite side is connected with described lifter (10), described feed bin (17) bottom is provided with spring (23), one end of spring (23) is arranged on the base angle of feed bin (17), the other end of described spring (23) is connected with base (1).
2. the visual three-dimensional analog simulation experimental device of large dip angle strata according to claim 1, it is characterized in that, the steel plate that described excavation steel bar (12) is 0.4cm by thickness is made, described excavation steel bar (12) is convex shape, described excavation steel bar (12) both sides are provided with extension, the length of described extension is 2cm, both sides extension is equipped with the screw that diameter is 3mm, described excavation steel bar (12) is connected with feed bin (17) bottom with nut by screw.
3. the visual three-dimensional analog simulation experimental device of large dip angle strata according to claim 1, it is characterized in that, the pedestal of described support steel bar (24) is that 0.4cm steel plate is made by thickness, described support steel bar (24) is furnished with the simulation support (26) that 33 1.5cm are wide, described simulation support (26) is provided with stress loop, described simulation support (26) base is provided with the hole of φ 5mm, facilitate stress loop wire to draw and measure support load, described support steel bar (24) is fixedly connected with feed bin (17) bottom by nut.
4. the visual three-dimensional analog simulation experimental device of large dip angle strata according to claim 1, is characterized in that, described base (1) side is provided with an angle scale (25).
5. the visual three-dimensional analog simulation experimental device of large dip angle strata according to claim 1, is characterized in that, the bottom of described base (1) is provided with movable pulley (2).
6. the visual three-dimensional analog simulation experimental device of large dip angle strata according to claim 1, is characterized in that, described driver (7) is hand crank.
7. the visual three-dimensional analog simulation experimental device of large dip angle strata according to claim 1, is characterized in that, described adjustable case lid (15) is poly (methyl methacrylate) plate.
8. the visual three-dimensional analog simulation experimental device of large dip angle strata according to claim 1, is characterized in that, described the first transparent panel (13) and the second transparent panel (14) are poly (methyl methacrylate) plate.
9. the visual three-dimensional analog simulation experimental device of large dip angle strata according to claim 1, it is characterized in that, described movable overturning-preventing fagging (5) is collapsible, and the height of described stable fagging (4) regulates voluntarily by variable valve (19).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520123661.3U CN204807544U (en) | 2015-03-02 | 2015-03-02 | Visual three -dimensional simulation modeling experiment device in big inclination stratum |
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| CN201520123661.3U CN204807544U (en) | 2015-03-02 | 2015-03-02 | Visual three -dimensional simulation modeling experiment device in big inclination stratum |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729868A (en) * | 2015-03-02 | 2015-06-24 | 西安科技大学 | Angle-adjustable three-dimensional simulation experiment device for large-dip-angle stratums |
| CN106290799A (en) * | 2016-09-22 | 2017-01-04 | 西安科技大学 | A kind of three dimensional physical analog simulation experiment shelf of angle adjustable |
| CN108508184A (en) * | 2018-04-09 | 2018-09-07 | 山东科技大学 | A kind of complex conditions seam mining subsidence analog simulation experimental rig and method |
-
2015
- 2015-03-02 CN CN201520123661.3U patent/CN204807544U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729868A (en) * | 2015-03-02 | 2015-06-24 | 西安科技大学 | Angle-adjustable three-dimensional simulation experiment device for large-dip-angle stratums |
| CN104729868B (en) * | 2015-03-02 | 2018-05-04 | 西安科技大学 | The large dip angle strata three-dimensional modelling experimental provision of adjustable-angle |
| CN106290799A (en) * | 2016-09-22 | 2017-01-04 | 西安科技大学 | A kind of three dimensional physical analog simulation experiment shelf of angle adjustable |
| CN108508184A (en) * | 2018-04-09 | 2018-09-07 | 山东科技大学 | A kind of complex conditions seam mining subsidence analog simulation experimental rig and method |
| CN108508184B (en) * | 2018-04-09 | 2023-08-18 | 山东科技大学 | Device and method for simulating subsidence of surface of coal seam mining under complex condition |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20160302 |
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| CF01 | Termination of patent right due to non-payment of annual fee |