CN110082504A - A kind of excavation simulation case apparatus, simulation experiment device and analogue experiment method - Google Patents
A kind of excavation simulation case apparatus, simulation experiment device and analogue experiment method Download PDFInfo
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- CN110082504A CN110082504A CN201910378705.XA CN201910378705A CN110082504A CN 110082504 A CN110082504 A CN 110082504A CN 201910378705 A CN201910378705 A CN 201910378705A CN 110082504 A CN110082504 A CN 110082504A
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- shaft
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- excavation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
Abstract
The invention discloses a kind of excavation simulation case apparatus, including excavation simulation case and elevating mechanism；Excavation simulation case includes the box side of box baseplate with the surrounding for being connected to box baseplate, and box roof is contacted with the box side of surrounding and can be slided up and down；Box side includes the top flap that on the bottom baffle being fixedly connected with box baseplate and the top for being hinged on bottom baffle and can be overturn；Elevating mechanism is mounted in box baseplate, and elevating mechanism supporting box top plate.The invention also discloses a kind of simulation experiment device and analogue experiment methods.Excavation simulation case apparatus, simulation experiment device and analogue experiment method disclosed by the invention, preferably solves the effect of threedimensional model inner space lossless excavation, digging process is by moving down box roof, so that top flap is inwardly overturn under the pressure of the similar layer in coal seam, it is almost the same with the coal seam digging mode at scene, improve the accuracy of experimental result.
Description
Technical field
The present invention relates to coal seam Excavation simulation experimental technique field more particularly to a kind of excavation simulation case apparatus, simulations in fact
Test equipment and analogue experiment method.
Background technique
The fifties start, and model test method makes certain gains in China's mine construction industry application to the sixties,
It has the characteristics that research cycle is short, at low cost, intuitive is strong, observation is convenient, and able person be control influence factor repeat into
Row experimental study.
Currently, physical simulation technology has been widely applied in engineering fields such as mining, water conservancy project, ground, and achieve
Great achievement, successful application in practical projects sufficiently demonstrate the practicability of this technology.
But relative to two-dimentional layer during similar model test, it is one that how three-dimensional similar test, which is simulated coal seam in the process and excavated,
Thorny problem.Although reaching currently, some researchers detach method, oil sac shrinkage method or bottom plate sedimentation etc. using bar steel
Simulate the purpose excavated in coal seam during three-dimensional layer during similar model test, but it is all more or less there are some problems, such as tie
The problems such as structure is complicated, experimental result is inaccurate.
In view of this, providing, a kind of structure is simple, and can be improved the accuracy of experimental result excavation simulation case apparatus,
Simulation experiment device and analogue experiment method necessitate.
Summary of the invention
Technical solution of the present invention provides a kind of excavation simulation case apparatus, including excavation simulation case and for driving the simulation
Excavate the elevating mechanism that the box roof of case moves up and down；
The excavation simulation case further includes the box side of box baseplate with the surrounding for being connected to the box baseplate, described
Box roof is contacted and can be slided up and down with the box side of surrounding；
The box side includes the bottom baffle being fixedly connected with the box baseplate and is hinged on the bottom baffle
Top on and the top flap that can overturn；
The elevating mechanism is mounted in the box baseplate, and the elevating mechanism supports the box roof；
The box roof has first position and the second position in the excavation simulation case；
When the box roof is in the first position, the box roof is contacted with the top flap；Every piece
The top flap all upwardly extends, and is in same plane with the corresponding bottom baffle respectively；
When the box roof is in the second position, the box roof is contacted with the bottom baffle；Every piece
The top flap is turned inside out both facing to the excavation simulation case.
Further, the elevating mechanism includes crane and the draw bar for drawing the crane lifting；
The crane includes first rotating shaft, the second shaft and third shaft, and second shaft is located at described first turn
Between axis and the third shaft, and second shaft by connecting rod respectively with the first rotating shaft and the third shaft
Connection；
The first rotating shaft is fixedly connected by fixed chuck with the box baseplate, and second rotating shaft support is described
The lower section of box roof；
It is provided with base slider in the third shaft, floor chute, the bottom are provided in the box baseplate
Plate sliding slot extends along the direction from the third shaft to the first rotating shaft, described in the base slider slideably configures
In floor chute；
The draw bar extends along the direction of the floor chute, and one end of the draw bar and the third shaft connect
It connects, the other end stretches out in the outside of one piece of bottom baffle.
Further, the roof chute parallel with the floor chute is provided on the lower surface of the box roof；
Top slide is provided in second shaft, the top slide is slidably disposed in the roof chute
It is interior.
Further, the draw bar is slidably disposed in the floor chute, and the draw bar is described in
Base slider is connect with the third shaft.
Further, it is provided with threaded portion on one end on the draw bar far from the third shaft, in the screw thread
Portion is threaded with adjusting nut.
Further, the elevating mechanism includes more than two cranes；
The draw bar is connect with the third shaft in each crane.
Further, the box roof and the box side are all tempered glass.
Further, multiple cameras are provided with below the box roof, the camera is towards the cabinet
The top of top plate.
Further, including multiple excavation simulation casees successively closely, each simulation is exploited in case
It is equipped with the elevating mechanism.
Technical solution of the present invention also provides a kind of simulation experiment device excavated for simulating coal seam, including experimental box,
The similar layer of bottom plate, the similar layer in coal seam on the similar layer of the bottom plate and position are sequentially arranged in the experimental box from bottom to top
In the similar layer of top plate on the similar layer in the coal seam；
It further includes excavation simulation case apparatus described in aforementioned any technical solution；
The side of the similar layer in the coal seam is provided with bottom plate groove in the bottom plate similar level, it is similar in the coal seam
The position that the bottom plate groove is corresponded on layer is provided with coal seam through-hole；
The box baseplate is mounted on the bottom of the bottom plate groove, and the bottom baffle is located in the bottom plate groove,
And the outer surface of bottom baffle layer similar with the bottom plate contacts；
Wherein, when the box roof is in the first position, the surrounding of the box roof and the top
The contact of portion's baffle, the bottom surface of the top surface of box roof layer similar with the top plate contact, and the top flap is located at described
In the through-hole of coal seam, and the outer surface of top flap layer similar with the coal seam contacts；
When the box roof is in the second position, the box roof is contacted with the bottom baffle, and every piece
The top flap is turned inside out both facing to the excavation simulation case, the similar layer in the coal seam be caving in the top flap and
The top of the box roof.
Further, the consistency of thickness of the height of top flap layer similar to the coal seam；
The top flap and the hinge joint of the bottom baffle are in the similar layer in coal seam layer similar to the bottom plate
Line of demarcation on.
Technical solution of the present invention, which also provides, a kind of to be carried out excavating coal seam simulated experiment using simulation experiment device above-mentioned
Analogue experiment method includes the following steps:
S001: box roof is driven to be moved to the second position from first position by elevating mechanism；
S002: under the pressure of the similar layer in coal seam, every piece of top flap is turned inside out both facing to excavation simulation case；
S003: data when the similar layer in coal seam is caving are recorded by camera, and data are exported to external control system.
By adopting the above technical scheme, it has the following beneficial effects:
Excavation simulation case apparatus, simulation experiment device and analogue experiment method provided by the invention, preferable solve three
The effect of the lossless excavation in dimension module inner space, digging process is by moving down box roof, so that top flap is in coal seam
It is inwardly overturn under the pressure of similar layer, it is almost the same with the coal seam digging mode at scene, improve the accuracy of experimental result.
Detailed description of the invention
Fig. 1 is the schematic diagram for the excavation simulation case apparatus that one embodiment of the invention provides；
Fig. 2 is the top view of box baseplate；
Fig. 3 is the bottom view of box roof；
Fig. 4 is the side view of box side；
Fig. 5 is the main view of box side；
Fig. 6 is the side view of elevating mechanism；
Fig. 7 is the top view of elevating mechanism；
Fig. 8 is the side view of crane；
Fig. 9 is the top view of crane；
Figure 10 is the structural schematic diagram of draw bar；
Figure 11 is the schematic diagram of multiple excavation simulation casees closely；
Figure 12 is the schematic diagram for the simulation experiment device that one embodiment of the invention provides；
Figure 13 is sectional view of the simulation experiment device shown in Figure 12 along the similar layer in coal seam；
Figure 14 is the arrangement schematic diagram of the similar layer of bottom plate, the similar layer in coal seam layer similar with top plate；
Figure 15 is the schematic diagram that bottom plate groove is provided on the similar layer of bottom plate；
Figure 16 is the schematic diagram that coal seam through-hole is provided in the similar layer in coal seam.
Specific embodiment
Further illustrate a specific embodiment of the invention with reference to the accompanying drawing.Wherein identical components are with identical
Appended drawing reference indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down"
Refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to the direction towards or away from geometric center of specific component.
As shown in Figs. 1-5, the excavation simulation case apparatus 100 that one embodiment of the invention provides, including excavation simulation case 1 and use
In the elevating mechanism 2 for driving the box roof 13 of excavation simulation case 1 to move up and down.
Excavation simulation case 1 further includes the box side 12 of box baseplate 11 with the surrounding for being connected to box baseplate 11, cabinet
Top plate 13 is contacted and can be slided up and down with the box side 12 of surrounding.
Box side 12 includes the bottom baffle 121 being fixedly connected with box baseplate 11 and is hinged on bottom baffle 121
On top and the top flap 122 that can overturn.
Elevating mechanism 2 is mounted in box baseplate 11, and 2 supporting box top plate 13 of elevating mechanism.
Box roof 13 has first position and the second position in excavation simulation case 1.
When box roof 13 is in first position, box roof 13 is contacted with top flap 122；Every piece of top flap
122 all upwardly extend, and are in same plane with corresponding bottom baffle 121 respectively.
When box roof 13 is in the second position, box roof 13 is contacted with bottom baffle 121, every piece of top flap
122 turning inside out both facing to excavation simulation case 1.
Excavation simulation case apparatus 100 provided by the invention is mainly used for simulating coal seam excavation.The excavation simulation case apparatus
100 are mainly made of excavation simulation case 1 and elevating mechanism 2.
Excavation simulation case 1 includes box baseplate 11, box side 12 and box roof 13, and box side 12 is arranged in cabinet
The edge of the surrounding of bottom plate 11, box roof 13 is contacted with box side 12, and the box roof 13 is in elevating mechanism 2
Under the action of can be moved up and down in excavation simulation case 1.
Elevating mechanism 2 can be that connecting rod lifting mechanism, cylinder elevating mechanism etc. arbitrarily being capable of the liftings of drive case top plate 13
Element.
Elevating mechanism 2 is mounted in box baseplate 11, and elevating mechanism 2 is also supported on the lower section of box roof 13, from
And it is used to that box roof 13 to be driven to go up and down.
In order to preferably embody the effect in excavation simulation coal seam, set box side 12 to by bottom baffle 121 and top
Portion's baffle 122 forms.The lower end of bottom baffle 121 is connect with box baseplate 11, and the upper end of bottom baffle 121 passes through hinge 123
Or hinge is connect with top flap 122, so that top flap 122 being capable of turning inside out to excavation simulation case 1.
The box roof 13 has first position and the second position in excavation simulation case 1, and the height of first position is higher than
The height of the second position.Under the action of elevating mechanism 2, it can convert between the first location and the second location.
When box roof 13 is in first position, the edge of box roof 13 is contacted with top flap 122 respectively,
Preferably the edge of box roof 13 is contacted with the tip edge of top flap 122 respectively, so that top flap 122
It upwardly extends, and is aligned in same plane with corresponding bottom baffle 121.
When elevating mechanism 2 drives box roof 13 to be displaced downwardly to the second position, box roof 13 is displaced downwardly to top flap 122
Lower section.At this point, the edge of box roof 13 is contacted with bottom baffle 121.Under external force, top flap 122 can
With turning inside out towards excavation simulation case 1.
In conjunction with shown in Figure 12, in experiment, the surrounding of bottom baffle 121 is the similar layer 3 of bottom plate, the four of top flap 122
Week is the similar layer 4 in coal seam, and the top of box roof 13 is the similar layer 5 of top plate.
When simulating coal seam excavation, moving down for box roof 13 can be controlled by elevating mechanism 2, to simulate coal seam excavation.
The speed of box roof 13 is controlled by elevating mechanism 2,
When box roof 13 is displaced downwardly to the second position, under the action of similar layer 4 in the coal seam of surrounding, top flap 122
Towards turning inside out for excavation simulation case 1, the inside of the coal seam of surrounding similar layer 4 towards excavation simulation case 1 is caving, and guarantees to excavate
Boundary is not supported by baffle, and the similar 4 energy spontaneous caving of layer in the coal seam of surrounding destroys, so that the coal seam at excavation simulation and scene is excavated
Mode is almost the same, improves the accuracy of experimental result.
Preferably, elevating mechanism 2 includes crane 21 and goes up and down for drawing crane 21 as shown in Fig. 2 and Fig. 5-10
Draw bar 22.
Crane 22 includes first rotating shaft 211, the second shaft 212 and third shaft 213, and the second shaft 212 is located at first
Between shaft 211 and third shaft 213, and the second shaft 212 is turned with first rotating shaft 211 and third respectively by connecting rod 214
Axis 213 connects.
First rotating shaft 211 is fixedly connected by fixed chuck 215 with box baseplate 11, and the second shaft 212 is supported on cabinet
The lower section of top plate 13.
It is provided with base slider 216 in third shaft 213, floor chute 111, bottom plate are provided in box baseplate 11
Sliding slot 111 extends along from third shaft 213 to the direction of first rotating shaft 211, and it is sliding that base slider 216 slideably configures bottom plate
In slot 111.
Draw bar 22 extends along the direction of floor chute 111, and one end of draw bar 22 is connect with third shaft 213,
The other end stretches out in the outside of one piece of bottom baffle 121.
For second shaft 212 between first rotating shaft 211 and third shaft 213, the second shaft 212 is used to support cabinet top
Plate 13.It is provided with fixed chuck 215 in first rotating shaft 211, fixation hole 112 is set in box baseplate 11, fixed chuck 215 is pacified
In fixation hole 112, so that first rotating shaft 211 is fixed in box baseplate 11.Second shaft 212 and first rotating shaft 211
It is connected by connecting rod 214.Second shaft 212 is also connect by above-mentioned connecting rod 214 with third shaft 213.
Sleeve or connection through-hole, connecting rod 214 are provided in connecting rod 214 can be respectively relative to first rotating shaft 211, the
The rotation of two shafts 212 and third shaft 213, that is to say connecting rod 214 and first rotating shaft 211, the second shaft 212 and third shaft
213 connection relationship is to be rotatably connected.That is to say, the second shaft 212 by connecting rod 214 respectively with first rotating shaft 211 and
Third shaft 213 is rotatably connected.
Preferably, the both ends of the second shaft 212 pass through two connecting rods 214 respectively and connect with first rotating shaft 211, and second turn
The both ends of axis 212 are also connect by two other connecting rods 214 with third shaft 213 respectively, to improve structural stability.
Floor chute 111 is provided in box baseplate 11, along from first rotating shaft 211 to the side of third shaft 213
To extension.Base slider 216 is provided in third shaft 213, base slider 216 is inserted in floor chute 111, and can
It is slided in floor chute 111, so that guiding role is played, so that third shaft 213 only being capable of prolonging along floor chute 111
It is mobile to stretch direction, to realize the lifting of crane 21.
Draw bar 22 is disposed to extend along the direction of floor chute 111, and one end is connect with third shaft 213, another
The opening 124 on one piece of bottom baffle 121 is held, the outside of excavation simulation case 1 is stretched out in.
When driving draw bar 22 mobile to 211 side of first rotating shaft, draw bar 22 will drive third shaft 213 towards first
211 side of shaft is mobile, since first rotating shaft 211 is fixed in box baseplate 1, so at this time the second shaft 212 can be risen, makes
It drives box roof 13 to rise.
When pulling draw bar 22 mobile to the outside of excavation simulation case 1, draw bar 22 will drive 213 direction of third shaft
Direction far from first rotating shaft 211 is mobile, and first rotating shaft 211 is fixed in box baseplate 1, so can make the second shaft at this time
212 declines, make it that box roof 13 be driven to decline, to simulate coal seam excavation.
Preferably, as shown in figures 3 and 8, being provided on the lower surface of box roof 13 parallel with floor chute 111
Roof chute 131.Top slide 217 is provided in the second shaft 212, it is sliding that top slide 217 is slidably disposed in top plate
In slot 131.Top slide 217 is inserted in roof chute 131, and can be slided in roof chute 131, to box roof
13 play the role of guiding role, also play cross spacing to it, it is avoided to offset up in the side perpendicular to top plate groove 131.
Preferably, draw bar 22 is slidably disposed in floor chute 111, and is led as shown in Fig. 1-2, Fig. 6 and Fig. 8
Draw bar 22 to connect by base slider 216 with third shaft 213.Specifically, limit hole 25, bottom are provided on draw bar 22
The lower end of sliding block 216 is inserted in limit hole 25.Draw bar 22 is arranged in floor chute 111, it can be to draw bar 22
It is mobile that guiding is provided, conducive to driving third shaft 213 to move along the direction of floor chute 111, and facilitate connection and assembling,
It can reduce structural volume.
Preferably, as shown in Figure 10, it is provided with threaded portion 24 on one end on draw bar 22 far from third shaft 213,
Threaded portion 24 is threaded with adjusting nut 23.After installation, adjusting nut 23 is located at the outside of excavation simulation case 1, can pass through
Adjusting nut 23 is turned to drive the back-and-forth motion of draw bar 22, facilitates control.Adjusting nut 23 and the screw thread of threaded portion 24 connect
Make 22 auto-extending of draw bar under the pressure for the analog material that binding structure can be caving to avoid portion inside, influences experimental result.
Preferably, as shown in fig. 6-7, elevating mechanism 2 includes more than two cranes 21.Draw bar 22 and each lifting
Third shaft 213 in frame 21 connects, and can also drive institute by a draw bar 22 to 13 even support of box roof
Some cranes 21 are gone up and down, so that the adjustable height of each crane 1 is consistent, improve the accuracy of experiment.
Preferably, box roof 13 and box side 12 are all tempered glass, conducive to the experimental conditions inside directly observing,
Such as the similar layer in coal seam is caving situation.
Preferably, be provided with multiple cameras in the lower section of box roof 13, camera is towards the top of box roof 13.
Camera is arranged in the lower section of box roof 13, and makes it towards the top of box roof 13, is caving conducive to monitoring from top
The form of the similar layer in the coal seam got off is made a mess of without being caving the analog material to get off.
Preferably, as shown in figure 11, which includes multiple excavation simulations successively closely
Case 1, each simulation exploit in case 1 and are equipped with an elevating mechanism 2, expand the scope of experiment once tested, improve reality
Test the accuracy of result.
As shown in figs. 12-16, provided in an embodiment of the present invention a kind of for simulating the simulation experiment device of coal seam excavation, packet
Include experimental box 200.
It is sequentially arranged the similar layer 3 of bottom plate, the coal seam phase on the similar layer 3 of bottom plate from bottom to top in experimental box 200
Like layer 4 and the similar layer 5 of top plate on the similar layer 4 in coal seam.
The simulation experiment device further includes excavation simulation case apparatus 100 described in aforementioned any embodiment.
The side of the similar layer 4 in coal seam is provided with bottom plate groove 31 in bottom plate similar layer 3, it is right on the similar layer 4 in coal seam
The position of bottom plate groove 31 is answered to be provided with coal seam through-hole 41.
Box baseplate 11 is mounted on the bottom of bottom plate groove 31, and bottom baffle 121 is located in bottom plate groove 31, and bottom is kept off
The outer surface of plate 121 layer 3 similar with bottom plate contacts.
Wherein, when box roof 13 is in first position, the surrounding of box roof 13 is contacted with top flap 122, case
The bottom surface of the top surface of body top plate 13 layer 5 similar with top plate contacts, and top flap 122 is located in coal seam through-hole 41, and top flap
122 outer surface layer 4 similar with coal seam contacts.
When box roof 13 is in the second position, box roof 13 is contacted with bottom baffle 121, every piece of top flap
122 turning inside out both facing to excavation simulation case 1, the similar layer 4 in coal seam are caving in the upper of top flap 122 and box roof 13
Side.
Structure, construction and its working principle in relation to excavation simulation case apparatus 100, please refer to the description of front, herein not
It repeats again.
The seat earth that the similar layer 3 of bottom plate, the similar layer 4 in coal seam layer 5 similar with top plate are made by analog material respectively
Analog material layer, coal seam analog material layer and seat earth analog material layer.
At the beginning of experiment, box baseplate 11 is mounted in bottom plate groove 31, bottom baffle 121 is mounted on bottom plate groove 31
Side wall on, contact its layer 3 similar with the bottom plate of surrounding, play a supporting role.Top flap 122 is mounted on coal seam through-hole
On 41 hole wall, its layer 4 similar with the coal seam of surrounding is contacted, is played a supporting role.Box roof 13 is arranged in top plate phase
It like the lower section of layer 5, and contacts its edge with the top flap 122 of surrounding, plays the role of supporting top flap 122,
The form at the beginning of mining can also be simulated.
In simulated experiment, elevating mechanism 2 drives box roof 13 to drop to the second position, in the similar layer in the coal seam of surrounding
Under the action of 4, top flap 122 is turned inside out towards excavation simulation case 1, and the similar layer 4 in the coal seam of surrounding is towards excavation simulation
The inside of case 1 is caving, and guarantees that excavate boundary is not supported by baffle, and the similar 4 energy spontaneous caving of layer in the coal seam of surrounding destroys, so that mould
Quasi- excavation and the coal seam digging mode at scene are almost the same, improve the accuracy of experimental result.
It specifically, can be by rotating the adjusting nut 23 in 200 outside of chamber, pulling draw bar 22 mobile and then controlling
The lifting of crane 21 processed.
Preferably, the consistency of thickness of the height of top flap 122 layer 4 similar to coal seam.
Top flap 122 and the hinge joint of bottom baffle 121 are in the line of demarcation of the similar layer 4 in coal seam layer 3 similar to bottom plate
On, it is ensured that it excavates boundary and is not supported by baffle, the similar layer 4 in the coal seam of surrounding can spontaneous caving destruction.
One embodiment of the invention, which also provides, a kind of to be carried out excavating coal seam simulated experiment using simulation experiment device above-mentioned
Analogue experiment method includes the following steps:
S001: box roof 12 is driven to be moved to the second position from first position by elevating mechanism 2.
S002: under the pressure of the similar layer 4 in coal seam, interior rollover of the every piece of top flap 122 both facing to excavation simulation case 1
Turn.
S003: data when the similar layer in coal seam is caving are recorded by camera, and data are exported to external control system.
In conclusion excavation simulation case apparatus, simulation experiment device and analogue experiment method provided by the invention, preferable
Solves the effect of the lossless excavation in threedimensional model inner space, digging process is by moving down box roof, so that top is kept off
Plate is inwardly overturn under the pressure of the similar layer in coal seam, almost the same with the coal seam digging mode at scene, improves experimental result
Accuracy.
As needed, above-mentioned each technical solution can be combined, to reach best-of-breed technology effect.
Above-described is only the principle of the present invention and preferred embodiment.It should be pointed out that for the common skill of this field
For art personnel, on the basis of the principle of the invention, several other modifications can also be made, also should be regarded as protection model of the invention
It encloses.
Claims (12)
1. a kind of excavation simulation case apparatus, which is characterized in that including excavation simulation case and for driving the excavation simulation case
The elevating mechanism that box roof moves up and down；
The excavation simulation case further includes the box side of box baseplate with the surrounding for being connected to the box baseplate, the cabinet
Top plate is contacted and can be slided up and down with the box side of surrounding；
The box side includes the bottom baffle being fixedly connected with the box baseplate and the top for being hinged on the bottom baffle
On end and the top flap that can overturn；
The elevating mechanism is mounted in the box baseplate, and the elevating mechanism supports the box roof；
The box roof has first position and the second position in the excavation simulation case；
When the box roof is in the first position, the box roof is contacted with the top flap；Described in every piece
Top flap all upwardly extends, and is in same plane with the corresponding bottom baffle respectively；
When the box roof is in the second position, the box roof is contacted with the bottom baffle；Described in every piece
Top flap is turned inside out both facing to the excavation simulation case.
2. excavation simulation case apparatus according to claim 1, which is characterized in that the elevating mechanism includes crane and use
In the draw bar for drawing the crane lifting；
The crane includes first rotating shaft, the second shaft and third shaft, second shaft be located at the first rotating shaft with
Between the third shaft, and second shaft is connected with the first rotating shaft and the third shaft respectively by connecting rod
It connects；
The first rotating shaft is fixedly connected by fixed chuck with the box baseplate, and second rotating shaft support is in the cabinet
The lower section of top plate；
It is provided with base slider in the third shaft, floor chute is provided in the box baseplate, the bottom plate is sliding
Slot extends along the direction from the third shaft to the first rotating shaft, and the base slider slideably configures the bottom plate
In sliding slot；
The draw bar extends along the direction of the floor chute, and one end of the draw bar is connect with the third shaft,
Its other end stretches out in the outside of one piece of bottom baffle.
3. excavation simulation case apparatus according to claim 2, which is characterized in that set on the lower surface of the box roof
It is equipped with the roof chute parallel with the floor chute；
Top slide is provided in second shaft, the top slide is slidably disposed in the roof chute.
4. excavation simulation case apparatus according to claim 2, which is characterized in that the draw bar is slidably disposed in institute
It states in floor chute, and the draw bar is connect by the base slider with the third shaft.
5. excavation simulation case apparatus according to claim 2, which is characterized in that turn on the draw bar far from the third
It is provided with threaded portion on one end of axis, is connected with adjusting nut in the threaded portion.
6. excavation simulation case apparatus according to claim 2, which is characterized in that the elevating mechanism includes more than two
Crane；
The draw bar is connect with the third shaft in each crane.
7. excavation simulation case apparatus according to claim 2, which is characterized in that the box roof and the box side
It is all tempered glass.
8. excavation simulation case apparatus according to claim 7, which is characterized in that be provided with below the box roof
Multiple cameras, the camera is towards the top of the box roof.
9. excavation simulation case apparatus according to claim 1 to 8, which is characterized in that including it is multiple successively closely
The excavation simulation case together, each simulation, which is exploited in case, is equipped with the elevating mechanism.
10. a kind of for simulating the simulation experiment device of coal seam excavation, including experimental box, in the experimental box from bottom to top according to
It is secondary to be disposed with the similar layer of bottom plate, the similar layer in coal seam on the similar layer of the bottom plate and the top on the similar layer in the coal seam
The similar layer of plate；
It is characterized in that, further including excavation simulation case apparatus of any of claims 1-9；
The side of the similar layer in the coal seam is provided with bottom plate groove in the bottom plate similar level, on the similar layer in the coal seam
The position of the corresponding bottom plate groove is provided with coal seam through-hole；
The box baseplate is mounted on the bottom of the bottom plate groove, and the bottom baffle is located in the bottom plate groove, and institute
The outer surface layer similar with the bottom plate for stating bottom baffle contacts；
Wherein, when the box roof is in the first position, the surrounding of the box roof and the top are kept off
Plate contact, the bottom surface of the top surface of box roof layer similar with the top plate contact, and the top flap is located at the coal seam
In through-hole, and the outer surface of top flap layer similar with the coal seam contacts；
When the box roof is in the second position, the box roof is contacted with the bottom baffle, described in every piece
Top flap is turned inside out both facing to the excavation simulation case, and the similar layer in the coal seam is caving in the top flap and described
The top of box roof.
11. simulation experiment device according to claim 10, which is characterized in that the height of the top flap and the coal
The consistency of thickness of the similar layer of layer；
The top flap is in dividing for the similar layer layer similar to the bottom plate in the coal seam to the hinge joint of the bottom baffle
In boundary line.
12. a kind of simulated experiment for excavate using simulation experiment device described in claim 10-11 coal seam simulated experiment
Method, which comprises the steps of:
S001: box roof is driven to be moved to the second position from first position by elevating mechanism；
S002: under the pressure of the similar layer in coal seam, every piece of top flap is turned inside out both facing to excavation simulation case；
S003: data when the similar layer in coal seam is caving are recorded by camera, and data are exported to external control system.
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Cited By (1)
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| CN114280275A (en) * | 2021-12-15 | 2022-04-05 | 国家能源投资集团有限责任公司 | Coal seam module fine excavation system in three-dimensional simulation test |
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