CN105403684B - The multiple dimensioned analog simulation test platform being caving for simulating colliery overlying strata - Google Patents

The multiple dimensioned analog simulation test platform being caving for simulating colliery overlying strata Download PDF

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Publication number
CN105403684B
CN105403684B CN201510745017.4A CN201510745017A CN105403684B CN 105403684 B CN105403684 B CN 105403684B CN 201510745017 A CN201510745017 A CN 201510745017A CN 105403684 B CN105403684 B CN 105403684B
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side plate
horizontal
plate
caving
pressure head
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CN105403684A (en
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王宏伟
姜耀东
林志男
邓代新
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China University of Mining and Technology Beijing CUMTB
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China University of Mining and Technology Beijing CUMTB
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24Earth materials

Abstract

The present invention relates to a kind of multiple dimensioned analog simulation test platform being caving for simulating colliery overlying strata, including 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, and the first side plate is equipped with multiple equally distributed first level pressure heads;Second side plate is slidably connected at side opposite with the first side plate on platform base, and the second side plate is equipped with multiple equally distributed second horizontal pressure heads;Upper plate is set in the upper end of the first side plate and the second side plate, and the upper plate is equipped with multiple equally distributed vertical pressure heads.The multiple dimensioned analog simulation Testing Table Design of the present invention has the first side plate and the second side plate for installing horizontal addload pressure head additional, so as to can realize that the test platform left and right sides is seamless, scale model can be established with granular materials such as sandy soil with this;In addition the second side plate of the invention horizontal can slide, upper plate can realize that multiple dimensioned scale model is established with vertical sliding motion with this.

Description

The multiple dimensioned analog simulation test platform being caving for simulating colliery overlying strata
Technical field
The present invention relates to geotechnical engineering field, specifically, be related to it is a kind of be used to simulating colliery overlying strata be caving it is multiple dimensioned Analog simulation test platform.
Background technology
Analog simulation experiment can complete tunnel (or tunnel) deformation of laboratory scale in geotechnical engineering and mining engineering The research of failure mechanism, rock stratum migration characteristics, stress of primary rock detection etc..At present, the domestic analog simulation experiment possessed Platform has following features and shortcoming:
1. various scale model materials can be used, but test platform size is fixed, and can not realize the foundation of multiple dimensioned model With the application of horizontal load;
2. it can realize the application of horizontal load, but test platform is more open, can only use prefabricated gypsum plate as experiment material Material, while test platform can not realize the foundation of Scale Model.
The content of the invention
Present invention offer is a kind of to be used to simulate the multiple dimensioned analog simulation test platform that colliery overlying strata are caving, to be solved Technical problem is:The foundation of multiple dimensioned scale model;A variety of scale model materials can be used;The application of horizontal load;It is infrared into The Simultaneous Monitoring of picture and high-speed camera.
The technical solution that the present invention solves above-mentioned technical problem is as follows:
The present invention provides a kind of for simulating the multiple dimensioned analog simulation test platform that colliery overlying strata are caving, including platform bottom Seat, the first side plate, the second side plate and upper plate, the first side plate are fixedly connected on the side of platform base, on first side plate Horizontal through hole is uniformly distributed equipped with multiple, the first level pressure head, which runs through, to be socketed in the horizontal through hole;Second side plate is slided Dynamic to be connected to side opposite with the first side plate on platform base, second side plate is equipped with multiple equally distributed horizontal logical Hole, the second horizontal pressure head, which runs through, to be socketed in the horizontal through hole;Upper plate is set in the first side plate and the second side plate Upper end, the upper plate are removably slidably connected with the first side plate, the dismountable company of slip of the upper plate and the second side plate Connect, the upper plate is equipped with multiple equally distributed vertical pressure heads, the dismountable company of slip of the vertical pressure head and upper plate Connect.
Preferably, first side plate is equipped with two symmetrical upright slide rails, and the vertical installation of slide track is in the first side On the plate and side away from the second side plate;The upper plate is equipped with two upright slide blocks corresponding with upright slide rail position, The upright slide block is fixedly connected with upper plate, and the upright slide block is slidably connected with upright slide rail, and the sliding block is slided along vertical Rail does up-and-down movement.
This preferred solution can realize the up-and-down movement of epipleural, and more rulers of the scale model in vertical direction are realized with this Degree modeling.
Preferably, the front and rear sides of the platform base are respectively provided with a horizontal slide rail, and the bottom of second side plate is set Have with corresponding two horizontal sliders in the horizontal slide rail position, the horizontal slider is slidably connected with horizontal slide rail, along water Smooth rail does horizontal reciprocating movement.
This preferred solution can realize the horizontal reciprocating movement of right plate, and scale model more rulers in the horizontal direction are realized with this Degree modeling.
Preferably, the platform base is equipped with front and rear two symmetrical horizontal slide rails, the bottom of second side plate Equipped with front and rear symmetrical multiple pulleys, the pulley is slidably connected with horizontal slide rail, and the pulley does horizontal past along horizontal slide rail Multiple movement.
Preferably, the pulley is equipped with braking catch, realizes that right plate can control speed at any time when moving horizontally With drilling depth gear;The pulley be installed on side plate inside, slided in bottom plate slideway, such right plate bottom can and platform Base is seamless.
Preferably, the compression aspect of the first level pressure head is opposite with the compression aspect of the second horizontal pressure head.
This preferred solution can realize that the horizontal load of model applies, and the interrupting layer sliding of simulation geotechnical engineering is by horizontal load Affecting laws.
Preferably, at least one piece of front apron and at least one piece of rear baffle, the front apron and the first side plate and are further included Two side plates removably connect, and the rear baffle is removably connected with the first side plate and the second side plate.
This preferred solution can ensure the integrality of scale model front and back sides during experiment, be unlikely to because model is caving So that front and back sides crush.Meanwhile front and rear baffle can also play model certain squeezing action so that model front and back sides It is unlikely to no constraint.
Preferably, the inner wall of the horizontal through hole is fitted closely with the first level pressure head.
This preferred solution can ensure the airtight connection of the side plate of scale model, so as to fulfill the seamless company of whole equipment Connect, can meet that the granular materials such as sandy soil such as mix at the sheet formings such as demand and the gypsum of the simulation of reality with water at the same time The demand of simulation.
Preferably, multiple first bolts hole are symmetrically arranged with former and later two end faces of first side plate;Described second Multiple second bolts hole are symmetrically arranged with former and later two end faces of side plate;Symmetrically set on former and later two end faces of the upper plate It is equipped with multiple 3rd bolts hole;The distance between described two vertical second adjacent bolts hole are equal to two vertical adjacent the The distance between three bolts hole.
The epipleural of this preferred solution can be connected so as to fulfill multi-scale Modeling with right plate by different bolts.
Preferably, the matched thermal camera and high-speed camera used is further included.
This preferred solution can realize the synchronous integrated prison of model energy field, displacement field and stress field in deformation process Survey, realize many reference amounts data analysis of a model.
Preferably, the platform base can be bolted to connection on the ground, so as to ensure that stablizing for equipment uses.
The beneficial effects of the invention are as follows:The multiple dimensioned analog simulation experiment that colliery overlying strata are caving that is used to simulate of the present invention is put down Platform is designed with the first side plate and the second side plate for installing horizontal addload pressure head additional, so as to can realize seamless at left and right sides of test platform Gap, scale model can be established with this with granular materials such as sandy soil, and can meet that the granular materials such as sandy soil are mixed with water Etc. the simulation of reality;In addition the second side plate of the invention horizontal can slide, upper plate can be with vertical sliding motion, can be real with this Existing multiple dimensioned scale model is established.
Brief description of the drawings
Fig. 1 is the structural representation for being used to simulate the multiple dimensioned analog simulation test platform that colliery overlying strata are caving of the present invention Figure.
Embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and It is non-to be used to limit the scope of the present invention.
Embodiment 1
It is used to simulate the multiple dimensioned analog simulation test platform that colliery overlying strata are caving as shown in Figure 1, present invention offer is a kind of, Including platform base 1, the first side plate 2, the second side plate 3 and upper plate 4, the first side plate 2 is fixedly connected on the one of platform base 1 Side, first side plate 2 are equipped with multiple equally distributed horizontal through hole, and the first level pressure head 21 is described through being socketed in In horizontal through hole;Second side plate 3 is slidably connected on platform base 1 and is arranged on the side opposite with the first side plate position, institute State the second side plate 3 and be equipped with multiple equally distributed horizontal through hole, the second horizontal pressure head 31, which runs through, is socketed in the level In through hole;Upper plate 4 is set in the upper end of the first side plate 2 and the second side plate 3, and the upper plate 4 and the first side plate 2 are dismountable It is slidably connected, the upper plate 4 is removably slidably connected with the second side plate 3, and the upper plate 4 is equipped with multiple be uniformly distributed Vertical pressure head 41, the vertical pressure head 41 is removably slidably connected with upper plate 4.
First side plate 2 is equipped with two symmetrical upright slide rails 22, and the upright slide rail 22 is arranged on the first side plate 2 Side upper and away from the second side plate 3;The upper plate 4 is equipped with vertical sliding with corresponding two of 22 position of upright slide rail Block, the upright slide block are fixedly connected with upper plate 4, and the upright slide block is slidably connected with upright slide rail 22, described vertical sliding Block does up-and-down movement along upright slide rail 22.
The front and rear sides of the platform base 1 are respectively provided with a horizontal slide rail 11, the bottom of second side plate 3 be equipped with Corresponding two horizontal sliders in 11 position of horizontal slide rail, the horizontal slider is slidably connected with horizontal slide rail 11, along water Smooth rail 11 does horizontal reciprocating movement;The compression aspect of the compression aspect of the first level pressure head 21 and the second horizontal pressure head 31 Relatively;At least one piece of front apron and at least one piece of rear baffle are further included, the front apron and the first side plate and the second side plate are removable The connection unloaded, the rear baffle are removably connected with the first side plate and the second side plate;The inner wall of the horizontal through hole with it is described First level pressure head 21 fits closely.
Multiple first bolts hole 23 are symmetrically arranged with former and later two end faces of first side plate;Second side plate Multiple second bolts hole 33 are symmetrically arranged with former and later two end faces;It is symmetrically arranged with former and later two end faces of the upper plate Multiple 3rd bolts hole 42;The distance between described two vertical second adjacent bolts hole 33 are equal to two vertical adjacent the The distance between three bolts hole 42;Further include the matched thermal camera and high-speed camera used, the platform base It can be bolted to connection on the ground.
Embodiment 2
It is used to simulate the multiple dimensioned analog simulation test platform that colliery overlying strata are caving as shown in Figure 1, present invention offer is a kind of, Including platform base 1, the first side plate 2, the second side plate 3 and upper plate 4, the first side plate 2 is fixedly connected on the one of platform base 1 Side, first side plate 2 are equipped with multiple equally distributed horizontal through hole, and the first level pressure head 21 is described through being socketed in In horizontal through hole;Second side plate 3 is slidably connected on platform base 1 and is arranged on the side opposite with the first side plate position, institute State the second side plate 3 and be equipped with multiple equally distributed horizontal through hole, the second horizontal pressure head 31, which runs through, is socketed in the level In through hole;Upper plate 4 is set in the upper end of the first side plate 2 and the second side plate 3, and the upper plate 4 and the first side plate 2 are dismountable It is slidably connected, the upper plate 4 is removably slidably connected with the second side plate 3, and the upper plate 4 is equipped with multiple be uniformly distributed Vertical pressure head 41, the vertical pressure head 41 is removably slidably connected with upper plate 4.
First side plate 2 is equipped with two symmetrical upright slide rails 22, and the upright slide rail 22 is arranged on the first side plate 2 Side upper and away from the second side plate 3;The upper plate 4 is equipped with vertical sliding with corresponding two of 22 position of upright slide rail Block, the upright slide block are fixedly connected with upper plate 4, and the upright slide block is slidably connected with upright slide rail 22, described vertical sliding Block does up-and-down movement along upright slide rail 22;The platform base 1 is equipped with front and rear two symmetrical horizontal slide rails 11, described The bottom of second side plate is equipped with front and rear symmetrical multiple pulleys 32, and the pulley 32 is slidably connected with horizontal slide rail 11, described Pulley 32 does horizontal reciprocating movement along horizontal slide rail 11;The pulley 32 is equipped with braking catch, and the pulley 32 is installed on side Intralamellar part, is slided in bottom plate slideway, and such right plate bottom can be seamless with platform base.
The compression aspect of the first level pressure head 21 is opposite with the compression aspect of the second horizontal pressure head 31;Further include at least One piece of front apron and at least one piece of rear baffle, the front apron is removably connected with the first side plate and the second side plate, after described Baffle is removably connected with the first side plate and the second side plate;The inner wall of the horizontal through hole and the first level pressure head 21 are tight Closely connected conjunction.
Multiple first bolts hole 23 are symmetrically arranged with former and later two end faces of first side plate;Second side plate Multiple second bolts hole 33 are symmetrically arranged with former and later two end faces;It is symmetrically arranged with former and later two end faces of the upper plate Multiple 3rd bolts hole 42;The distance between described two vertical second adjacent bolts hole 33 are equal to two vertical adjacent the The distance between three bolts hole 42;Further include the matched thermal camera and high-speed camera used, the platform base It can be bolted to connection on the ground.
In use, all parts are installed together according to the said equipment, size movement upper plate as required and the Side plate and the second side plate are to the position needed, the space formed between the first side plate, the second side plate, front and rear baffle and base In insert needs progress simulated experiment sandstone or other particulate materials, after the completion of to be filled, remove front and rear baffle, pass through First level pressure head, the second horizontal pressure head and vertical pressure head pressurize filler, pass through thermal camera and high-speed camera at this time Machine monitors the synchronous integrated of energy field, displacement field and stress field in its deformation process, realizes many reference amounts number of a model According to analysis.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention.

Claims (7)

1. a kind of be used to simulate the multiple dimensioned analog simulation test platform that colliery overlying strata are caving, it is characterised in that including platform bottom Seat (1), the first side plate (2), first level 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), and first side plate (2) is equipped with multiple be uniformly distributed Horizontal through hole, the first level pressure head (21) is through being socketed in the horizontal through hole;
Second side plate (3) is slidably connected on platform base (1) and is arranged on the side opposite with the first side plate position, and described Two side plates (3) are equipped with multiple equally distributed horizontal through hole, and the second horizontal pressure head (31), which is run through, is socketed in the level In through hole;
Upper plate (4) is set in the upper end of the first side plate (2) and the second side plate (3), the upper plate (4) and the first side plate (2) Removably it is slidably connected, the upper plate (4) is removably slidably connected with the second side plate (3), is set on the upper plate (4) There are multiple equally distributed vertical pressure heads (41), the vertical pressure head (41) is removably slidably connected with upper plate (4);
First side plate (2) is equipped with two symmetrical upright slide rails (22), and the upright slide rail (22) is arranged on the first side On plate (2) and the side away from the second side plate (3);
The upper plate (4) be equipped with corresponding two upright slide blocks in upright slide rail (22) position, the upright slide block with Upper plate (4) is fixedly connected, and the upright slide block is slidably connected with upright slide rail (22), and the upright slide block is along upright slide rail (22) up-and-down movement is done;
The platform base (1) is equipped with front and rear two symmetrical horizontal slide rails (11), and the bottom of second side plate is equipped with Front and rear symmetrical multiple pulleys (32), the pulley (32) are slidably connected with horizontal slide rail (11), and the pulley (32) is along level Slide (11) does horizontal reciprocating movement.
2. according to claim 1 be used to simulate the multiple dimensioned analog simulation test platform that colliery overlying strata are caving, its feature It is:The pulley (32) is equipped with braking catch.
3. according to claim 1 be used to simulate the multiple dimensioned analog simulation test platform that colliery overlying strata are caving, its feature It is:The compression aspect of the first level pressure head (21) is opposite with the compression aspect of the second horizontal pressure head (31).
4. according to claim 1 be used to simulate the multiple dimensioned analog simulation test platform that colliery overlying strata are caving, its feature It is:Further include at least one piece of front apron and at least one piece of rear baffle, the front apron and the first side plate (2) and the second side plate (3) dismountable connection, the rear baffle are removably connected with the first side plate (2) and the second side plate (3).
5. according to claim 1 be used to simulate the multiple dimensioned analog simulation test platform that colliery overlying strata are caving, its feature It is:The inner wall of the horizontal through hole is fitted closely with the first level pressure head (21).
6. the multiple dimensioned analog simulation test platform for being used to simulate colliery overlying strata and being caving according to claim 1-5 is any, It is characterized in that:Multiple first bolts hole (23) are symmetrically arranged with former and later two end faces of first side plate (2);Described Multiple second bolts hole (33) are symmetrically arranged with former and later two end faces of two side plates (3);The upper plate (4) former and later two Multiple 3rd bolts hole (42) are symmetrically arranged with end face;The distance between described two vertical adjacent second bolts hole (33) The distance between the 3rd bolt hole (42) adjacent vertically equal to two.
7. the multiple dimensioned analog simulation test platform for being used to simulate colliery overlying strata and being caving according to claim 1-5 is any, It is characterized in that:Further include the matched thermal camera and high-speed camera used;The platform base (1) can pass through spiral shell Bolt is fixedly connected on the ground.
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