CN105403684A - Multi-scale analog simulation test platform for simulating collapse of coal covering rock - Google Patents
Multi-scale analog simulation test platform for simulating collapse of coal covering rock Download PDFInfo
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- CN105403684A CN105403684A CN201510745017.4A CN201510745017A CN105403684A CN 105403684 A CN105403684 A CN 105403684A CN 201510745017 A CN201510745017 A CN 201510745017A CN 105403684 A CN105403684 A CN 105403684A
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- side plate
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- test platform
- simulation test
- slide rail
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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
Abstract
The invention relates to a multi-scale analog simulation test platform for simulating collapse of coal covering rock. The multi-scale analog simulation test platform comprises a platform base, a first lateral plate, a second lateral plate and upper top plates, wherein the first lateral plate is fixedly jointed on one side of the platform base; a plurality of uniformly distributed first horizontal pressure heads are arranged on the first lateral plate; the second lateral plate is in sliding connection with one side, opposite to the first lateral plate, of the platform base; a plurality of uniformly distributed second horizontal pressure heads are arranged on the second lateral plate; the upper top plates sleeve the upper ends of the first lateral plate and the second lateral plate; and a plurality of uniformly distributed vertical pressure heads are arranged on the upper top plates. The first lateral plate and the second lateral plate with horizontal loading pressure heads are designed on the multi-scale analog simulation test platform provided by the invention, so that zero gap on left and right sides of the test platform is realized and the granular materials, such as, sandy soil, and the like, can be used for constructing a similar model. Besides, the second lateral plate of the multi-scale analog simulation test platform provided by the invention can horizontally slide and the upper top plates can vertically slide, so that the establishment of multi-scale similarity model can be realized.
Description
Technical field
The present invention relates to Geotechnical Engineering field, specifically, relating to a kind of for simulating the multiple dimensioned resemble simulation test platform that colliery overlying strata are caving.
Background technology
Resemble simulation test can complete the research of the aspect such as tunnel (or tunnel) Mechanism of Deformation And Failure, rock stratum migration characteristics, initial stress detection of laboratory yardstick in Geotechnical Engineering and mining engineering.At present, domestic had resemble simulation test platform has following features and shortcoming:
1. can use various scale model material, but test platform size is fixed, the foundation of multiple dimensioned model and the applying of horizontal load cannot be realized;
2. can realize the applying of horizontal load, but test platform comparatively opening, prefabricated gypsum plate can only be used for test material, and test platform cannot realize the foundation of Scale Model simultaneously.
Summary of the invention
The invention provides a kind of for simulating the multiple dimensioned resemble simulation test platform that colliery overlying strata are caving, technical matters to be solved is: the foundation of multiple dimensioned scale model; Multiple scale model material can be used; The applying of horizontal load; The Simultaneous Monitoring of infrared imaging and high-speed camera.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
The invention provides a kind of for simulating the multiple dimensioned resemble simulation test platform that colliery overlying strata are caving, comprise platform base, the first side plate, the second side plate and upper plate, first side plate is fixedly connected on the side of platform base, described first side plate is provided with and is multiplely uniformly distributed horizontal through hole, and described first horizontal pressure head runs through and is socketed in described horizontal through hole; Second side plate is slidably connected at side relative with the first side plate on platform base, and described second side plate is provided with multiple equally distributed horizontal through hole, and described second horizontal pressure head runs through and is socketed in described horizontal through hole; Upper plate is set in the upper end of the first side plate and the second side plate, described upper plate and the first side plate is dismountable is slidably connected, described upper plate and the second side plate is dismountable is slidably connected, described upper plate is provided with multiple equally distributed vertical pressure head, described vertical pressure head and upper plate is dismountable is slidably connected.
Preferably, described first side plate is provided with two symmetrical upright slide rails, and described vertical installation of slide track is on the first side plate and away from the side of the second side plate; Described upper plate is provided with two upright slide blocks corresponding with upright slide rail position, and described upright slide block is fixedly connected with upper plate, and described upright slide block and upright slide rail are slidably connected, and described slide block does up-and-down movement along upright slide rail.
This preferred version can realize the up-and-down movement of epipleural, realizes scale model multi-scale Modeling in the vertical direction with this.
Preferably, the both sides, front and back of described platform base are respectively provided with a horizontal slide rail, the bottom of described second side plate is provided with two cross sliding clocks corresponding with described horizontal slide rail position, and described cross sliding clock and horizontal slide rail are slidably connected, and do horizontal reciprocating movement along horizontal slide rail.
This preferred version can realize the horizontal reciprocating movement of right plate, realizes scale model multi-scale Modeling in the horizontal direction with this.
Preferably, described platform base is provided with the symmetrical horizontal slide rail in two, front and back, and the multiple pulleys being provided with front and back symmetry of the bottom of described second side plate, described pulley and horizontal slide rail are slidably connected, and described pulley does horizontal reciprocating movement along horizontal slide rail.
Preferably, described pulley is provided with braking catch, and realizing right plate can control rate and drilling depth gear at any time when doing tangential movement; Described pulley is arranged on side plate inside, slides in base plate slideway, just can be seamless with platform base bottom such right plate.
Preferably, the compression aspect of described first horizontal pressure head is relative with the compression aspect of the second horizontal pressure head.
This preferred version can the horizontal load of implementation model apply, and the slippage of simulation Geotechnical Engineering interrupting layer is by the affecting laws of horizontal load.
Preferably, also comprise at least one piece of front apron and at least one piece of backboard, described front apron and the first side plate and the second side plate is dismountable is connected, described backboard and the first side plate and the second side plate is dismountable is connected.
This preferred version can ensure the integrality of scale model front and back sides in process of the test, is unlikely to make front and back sides broken because model is caving.Meanwhile, front and rear baffle can also play certain squeezing action to model, and model front and back sides is unlikely to without constraint.
Preferably, the inwall of described horizontal through hole and described first horizontal pressure head fit tightly.
This preferred version can ensure the airtight connection of the side plate of scale model, thus realizes the seamless connection of whole equipment, can meet the demand of the simulation of the sheet forming such as demand and gypsum of the simulation of the realities such as the particulate materials such as sandy soil mix with water simultaneously.
Preferably, former and later two end faces of described first side plate are symmetrically arranged with multiple first bolt hole; Former and later two end faces of described second side plate are symmetrically arranged with multiple second bolt hole; Former and later two end faces of described upper plate are symmetrically arranged with multiple 3rd bolt hole; Distance between described two vertical the second adjacent bolts hole equals the distance between two vertical the 3rd adjacent bolts hole.
The epipleural of this preferred version is connected by different bolts with right plate, thus realizes multi-scale Modeling.
Preferably, matching used thermal camera and high-speed camera with it is also comprised.
This preferred version can implementation model energy field, displacement field and stress field in deformation process synchronous integrated monitoring, realize the many reference amounts data analysis of a model.
Preferably, described platform base is fixedly connected with on the ground by bolt, thus the stable use of the equipment of guarantee.
The invention has the beneficial effects as follows: the multiple dimensioned resemble simulation test Platform Designing be caving for simulating colliery overlying strata of the present invention has the first side plate and the second side plate that install horizontal addload pressure head additional, thus it is seamless to realize the test platform left and right sides, scale model can be set up with granular materials such as sandy soil with this, and the simulation of the particulate materials such as sandy soil and the reality such as water mixes can be met; In addition the second side plate of the present invention can horizontal slip, upper plate can vertical sliding motion, multiple dimensioned scale model can be realized with this and set up.
Accompanying drawing explanation
Fig. 1 is the structural representation for simulating the multiple dimensioned resemble simulation test platform that colliery overlying strata are caving of the present invention.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment 1
As shown in Figure 1, the invention provides a kind of for simulating the multiple dimensioned resemble simulation test platform that colliery overlying strata are caving, comprise platform base 1, first side plate 2, second side plate 3 and upper plate 4, first side plate 2 is fixedly connected on the side of platform base 1, described first side plate 2 is provided with multiple equally distributed horizontal through hole, and described first horizontal pressure head 21 runs through and is socketed in described horizontal through hole; Second side plate 3 to be slidably connected on platform base 1 and to be arranged on the side relative with the first side plate position, and described second side plate 3 is provided with multiple equally distributed horizontal through hole, and described second horizontal pressure head 31 runs through and is socketed in described horizontal through hole; Upper plate 4 is set in the upper end of the first side plate 2 and the second side plate 3, described upper plate 4 and the first side plate 2 is dismountable is slidably connected, described upper plate 4 and the second side plate 3 is dismountable is slidably connected, described upper plate 4 is provided with multiple equally distributed vertical pressure head 41, and described vertical pressure head 41 is slidably connected with upper plate 4 is dismountable.
Described first side plate 2 is provided with two symmetrical upright slide rails 22, and described upright slide rail 22 to be arranged on the first side plate 2 and away from the side of the second side plate 3; Described upper plate 4 is provided with two upright slide blocks corresponding with upright slide rail 22 position, and described upright slide block is fixedly connected with upper plate 4, and described upright slide block and upright slide rail 22 are slidably connected, and described upright slide block does up-and-down movement along upright slide rail 22.
The both sides, front and back of described platform base 1 are respectively provided with a horizontal slide rail 11, the bottom of described second side plate 3 is provided with two cross sliding clocks corresponding with described horizontal slide rail 11 position, described cross sliding clock and horizontal slide rail 11 are slidably connected, and do horizontal reciprocating movement along horizontal slide rail 11; The compression aspect of described first horizontal pressure head 21 is relative with the compression aspect of the second horizontal pressure head 31; Also comprise at least one piece of front apron and at least one piece of backboard, described front apron and the first side plate and the second side plate is dismountable is connected, described backboard and the first side plate and the second side plate is dismountable is connected; Inwall and the described first horizontal pressure head 21 of described horizontal through hole fit tightly.
Former and later two end faces of described first side plate are symmetrically arranged with multiple first bolt hole 23; Former and later two end faces of described second side plate are symmetrically arranged with multiple second bolt hole 33; Former and later two end faces of described upper plate are symmetrically arranged with multiple 3rd bolt hole 42; Distance between described two vertical the second adjacent bolts hole 33 equals the distance between two vertical the 3rd adjacent bolts hole 42; Also comprise matching used thermal camera and high-speed camera with it, described platform base is fixedly connected with on the ground by bolt.
Embodiment 2
As shown in Figure 1, the invention provides a kind of for simulating the multiple dimensioned resemble simulation test platform that colliery overlying strata are caving, comprise platform base 1, first side plate 2, second side plate 3 and upper plate 4, first side plate 2 is fixedly connected on the side of platform base 1, described first side plate 2 is provided with multiple equally distributed horizontal through hole, and described first horizontal pressure head 21 runs through and is socketed in described horizontal through hole; Second side plate 3 to be slidably connected on platform base 1 and to be arranged on the side relative with the first side plate position, and described second side plate 3 is provided with multiple equally distributed horizontal through hole, and described second horizontal pressure head 31 runs through and is socketed in described horizontal through hole; Upper plate 4 is set in the upper end of the first side plate 2 and the second side plate 3, described upper plate 4 and the first side plate 2 is dismountable is slidably connected, described upper plate 4 and the second side plate 3 is dismountable is slidably connected, described upper plate 4 is provided with multiple equally distributed vertical pressure head 41, and described vertical pressure head 41 is slidably connected with upper plate 4 is dismountable.
Described first side plate 2 is provided with two symmetrical upright slide rails 22, and described upright slide rail 22 to be arranged on the first side plate 2 and away from the side of the second side plate 3; Described upper plate 4 is provided with two upright slide blocks corresponding with upright slide rail 22 position, and described upright slide block is fixedly connected with upper plate 4, and described upright slide block and upright slide rail 22 are slidably connected, and described upright slide block does up-and-down movement along upright slide rail 22; Described platform base 1 is provided with the symmetrical horizontal slide rail 11 in two, front and back, the multiple pulleys 32 being provided with front and back symmetry of the bottom of described second side plate, and described pulley 32 is slidably connected with horizontal slide rail 11, and described pulley 32 does horizontal reciprocating movement along horizontal slide rail 11; Described pulley 32 is provided with braking catch, and described pulley 32 is arranged on side plate inside, slides in base plate slideway, just can be seamless with platform base bottom such right plate.
The compression aspect of described first horizontal pressure head 21 is relative with the compression aspect of the second horizontal pressure head 31; Also comprise at least one piece of front apron and at least one piece of backboard, described front apron and the first side plate and the second side plate is dismountable is connected, described backboard and the first side plate and the second side plate is dismountable is connected; Inwall and the described first horizontal pressure head 21 of described horizontal through hole fit tightly.
Former and later two end faces of described first side plate are symmetrically arranged with multiple first bolt hole 23; Former and later two end faces of described second side plate are symmetrically arranged with multiple second bolt hole 33; Former and later two end faces of described upper plate are symmetrically arranged with multiple 3rd bolt hole 42; Distance between described two vertical the second adjacent bolts hole 33 equals the distance between two vertical the 3rd adjacent bolts hole 42; Also comprise matching used thermal camera and high-speed camera with it, described platform base is fixedly connected with on the ground by bolt.
During use, all parts is installed together according to the said equipment, size as required moves upper plate and the first side plate and the second side plate to the position needed, at the first side plate, second side plate, the sandstone carrying out simulated experiment or other particulate materials of needs is inserted in the space formed between front and rear baffle and base, to be filled complete after, take off front and rear baffle, by the first horizontal pressure head, second horizontal pressure head and vertical pressure head pressurize to filling material, now by thermal camera and high-speed camera to energy field in its deformation process, the synchronous integrated monitoring of displacement field and stress field, realize the many reference amounts data analysis of a model.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. one kind for simulating the multiple dimensioned resemble simulation test platform that colliery overlying strata are caving, it is characterized in that, comprise platform base (1), the first side plate (2), the first horizontal pressure head (21), the second side plate (3), the second horizontal pressure head (31) and upper plate (4)
First side plate (2) is fixedly connected on the side of platform base (1), described first side plate (2) is provided with multiple equally distributed horizontal through hole, and described first horizontal pressure head (21) runs through and is socketed in described horizontal through hole;
Second side plate (3) is slidably connected at platform base (1) and goes up and be arranged on the side relative with the first side plate position, described second side plate (3) is provided with multiple equally distributed horizontal through hole, and described second horizontal pressure head (31) runs through and is socketed in described horizontal through hole;
Upper plate (4) is set in the upper end of the first side plate (2) and the second side plate (3), described upper plate (4) is slidably connected with the first side plate (2) is dismountable, described upper plate (4) is slidably connected with the second side plate (3) is dismountable, described upper plate (4) is provided with multiple equally distributed vertical pressure head (41), and described vertical pressure head (41) is slidably connected with upper plate (4) is dismountable.
2. according to claim 1 for simulating the multiple dimensioned resemble simulation test platform that colliery overlying strata are caving, it is characterized in that: described first side plate (2) is provided with two symmetrical upright slide rails (22), it is upper and away from the side of the second side plate (3) that described upright slide rail (22) is arranged on the first side plate (2);
Described upper plate (4) is provided with two upright slide blocks corresponding with upright slide rail (22) position, described upright slide block is fixedly connected with upper plate (4), described upright slide block and upright slide rail (22) are slidably connected, and described upright slide block does up-and-down movement along upright slide rail (22).
3. according to claim 1 for simulating the multiple dimensioned resemble simulation test platform that colliery overlying strata are caving, it is characterized in that: the both sides, front and back of described platform base (1) are respectively provided with a horizontal slide rail (11), the bottom of described second side plate (3) is provided with two cross sliding clocks corresponding with described horizontal slide rail (11) position, described cross sliding clock and horizontal slide rail (11) are slidably connected, and do horizontal reciprocating movement along horizontal slide rail (11).
4. according to claim 1 for simulating the multiple dimensioned resemble simulation test platform that colliery overlying strata are caving, it is characterized in that: described platform base (1) is provided with the symmetrical horizontal slide rail (11) in two, front and back, the multiple pulleys (32) being provided with front and back symmetry of the bottom of described second side plate, described pulley (32) and horizontal slide rail (11) are slidably connected, and described pulley (32) does horizontal reciprocating movement along horizontal slide rail (11).
5. according to claim 4 for simulating the multiple dimensioned resemble simulation test platform that colliery overlying strata are caving, it is characterized in that: described pulley (32) is provided with braking catch.
6. according to claim 1 for simulating the multiple dimensioned resemble simulation test platform that colliery overlying strata are caving, it is characterized in that: the compression aspect of described first horizontal pressure head (21) is relative with the compression aspect of the second horizontal pressure head (31).
7. according to claim 1 for simulating the multiple dimensioned resemble simulation test platform that colliery overlying strata are caving, it is characterized in that: also comprise at least one piece of front apron and at least one piece of backboard, described front apron and the first side plate (2) and the second side plate (3) is dismountable is connected, described backboard and the first side plate (2) and the second side plate (3) is dismountable is connected.
8. according to claim 1 for simulating the multiple dimensioned resemble simulation test platform that colliery overlying strata are caving, it is characterized in that: inwall and the described first horizontal pressure head (21) of described horizontal through hole fit tightly.
9. arbitrary described for simulating the multiple dimensioned resemble simulation test platform that colliery overlying strata are caving according to claim 1-8, it is characterized in that: former and later two end faces of described first side plate (2) are symmetrically arranged with multiple first bolt hole (23); Former and later two end faces of described second side plate (3) are symmetrically arranged with multiple second bolt hole (33); Former and later two end faces of described upper plate (4) are symmetrically arranged with multiple 3rd bolt hole (42); Distance between described two vertical adjacent the second bolts hole (33) equals the distance between two vertical the 3rd adjacent bolts hole (42).
10. arbitrary described for simulating the multiple dimensioned resemble simulation test platform that colliery overlying strata are caving according to claim 1-8, it is characterized in that: also comprise matching used thermal camera and high-speed camera with it; Described platform base (1) is fixedly connected with on the ground by bolt.
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| CN201510745017.4A CN105403684B (en) | 2015-11-05 | 2015-11-05 | The multiple dimensioned analog simulation test platform being caving for simulating colliery overlying strata |
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| CN105973695A (en) * | 2016-07-29 | 2016-09-28 | 湖南科技大学 | Constant pressure loading device for similarity simulation experiments |
| CN106226494A (en) * | 2016-07-05 | 2016-12-14 | 安徽理工大学 | A kind of orebody mining disturbance country rock causes permeable similar physical analog test apparatus |
| CN106645635A (en) * | 2016-10-20 | 2017-05-10 | 中国矿业大学 | Leakage-proof physical similarity simulation experiment frame |
| CN110181513A (en) * | 2019-05-30 | 2019-08-30 | 北京农业信息技术研究中心 | Crop canopies phenotype and assimilation synchro measure robot |
| CN113299140A (en) * | 2021-05-28 | 2021-08-24 | 华能煤炭技术研究有限公司 | Colliery roof accident analogue means that sinks |
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