CN113049772A - Continuous triaxial coal and gas outburst simulation experiment device - Google Patents
Continuous triaxial coal and gas outburst simulation experiment device Download PDFInfo
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- CN113049772A CN113049772A CN202110304089.0A CN202110304089A CN113049772A CN 113049772 A CN113049772 A CN 113049772A CN 202110304089 A CN202110304089 A CN 202110304089A CN 113049772 A CN113049772 A CN 113049772A
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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
- G01N33/22—Fuels, explosives
- G01N33/222—Solid fuels, e.g. coal
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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
- G01N33/22—Fuels, explosives
- G01N33/227—Explosives, e.g. combustive properties thereof
Abstract
The invention discloses a continuous triaxial coal and gas outburst simulation experiment device, which belongs to the field of coal and gas outburst simulation experiment devices, and comprises a continuous triaxial coal and gas outburst simulation experiment device, wherein a plurality of outburst boxes are utilized to sequentially carry out outburst experiments, outburst states are simulated as much as possible according to various factors such as time, gas concentration change and the like, the outburst conditions of coal and gas are simulated for a plurality of times through one experiment, in the outburst process, the first sealing rubber mat is utilized to match with an outburst pipe and a outburst cone to increase the sealing performance of the simulation box and the outburst box, the accuracy of the experiment is increased, the simulation of actual conditions is realized to the maximum extent, the accuracy of the experiment is increased, the error existing between the simulation and the actual conditions is reduced, the defects existing in the simulation are reduced, meanwhile, a connecting cable is utilized to form a closed space in a second box body, so that more, the diversity and accuracy of the experiment are increased.
Description
Technical Field
The invention relates to the field of coal and gas outburst simulation experiment devices, in particular to a continuous three-axis coal and gas outburst simulation experiment device.
Background
Coal and gas outburst is an extremely complex dynamic phenomenon under a coal mine, seriously threatens the safety production of the coal mine and influences the exertion of the production capacity of the coal mine. Coal and gas delay outburst often occurs in the process of tunneling working face, particularly rock cross-cut coal uncovering, and is the coal and gas outburst occurring at the blasting or operation position in a period of time after blasting or operation.
The existing coal and gas outburst experiment device mainly has the following problems: (1) the device can only generate one-time outburst and cannot truly reflect the phenomenon of underground coal and gas outburst; (2) the opening speed of the projection opening is slow, the coal and gas projection time is influenced to a certain extent, and the situation can not be close to the field situation.
Because the environment under the mine is comparatively complicated, and very easily form multiple different physical environment in the multiple ore deposit way that the manual work excavated formation, consequently in the actual production life process, the actual outstanding condition between coal and the gas can receive the physical environment influence, is difficult to directly simulate the actual outstanding condition of coal and gas through once outstanding, and the simulation has very big defect.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a continuous triaxial coal and gas outburst simulation experiment device, which can simulate the outburst condition of coal and gas for many times through one experiment, realize the simulation of the actual condition to a greater extent, increase the accuracy of the experiment, reduce the error between the simulation and the actual condition and reduce the defects of the simulation.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A continuous triaxial coal and gas outburst simulation experiment device comprises a base, wherein a pair of electromagnetic tracks are arranged at the upper end of the base in a chiseling mode, a simulation box and a plurality of outburst boxes are placed at the upper end of the base, a pair of electromagnetic slide blocks matched with the electromagnetic tracks are fixedly connected to the lower ends of the simulation box and the plurality of outburst boxes respectively, the simulation box comprises a first box body, an air guide pipe is fixedly connected to the side wall of one end of the first box body, one end, close to the first box body, of the air guide pipe penetrates through the first box body and is fixedly connected with the inside of the first box body, a first outburst hole is arranged in the first box body in a chiseling mode, is located at one end opposite to the air guide pipe, a first sealing rubber gasket is fixedly connected in the first outburst hole, a coal bed is placed in the first box body, the coal bed is located on one side, close to the first, the left end of the second box body is fixedly connected with an extruding pipe, one end of the extruding pipe, which is close to the second box body, penetrates through the second box body and is communicated with the interior of the second box body, a mounting ring is fixedly connected in the extruding pipe and is positioned at one side of the extruding pipe, which is far away from the second box body, a extruding cone is connected in the extruding pipe in a sliding manner, a sealing ring is connected between the extruding cone and the extruding pipe, the sealing ring is fixedly connected at the opening of the extruding pipe, a compression spring is fixedly connected between the mounting ring and the extruding cone, the extruding cone comprises a straight pipe part, the straight pipe part is inserted in the extruding pipe, a cone head part is fixedly connected at one end of the straight pipe part, which is far away from the extruding pipe, a surface chute is formed in the outer wall of the straight pipe part, a plurality of air holes are formed in the surface chute, a second extruding hole is formed in the second box body, and is positioned, the second protruding hole is internally and fixedly connected with a second sealing rubber pad matched with the second protruding hole, the first protruding hole, the second protruding hole and the protruding pipe are matched in size, so that the protruding situation of multiple times of coal and gas can be simulated through one-time experiment, the simulation of the actual situation is realized to a greater extent, the accuracy of the experiment is improved, the error existing in the simulation and the actual situation is reduced, and the defect existing in the simulation is reduced.
Furthermore, first sealed cushion includes the cushion main part, it has the glue storage groove to chisel in the cushion main part, the glue storage groove is located the cushion main part and is close to one side at the edge, the packing of glue storage groove is sealed the sizing material, and it has a plurality of capillary cracks to chisel in the cushion main part, and most capillary crack's both ends all are linked together with the glue storage groove, and when protruding awl punctures first sealed cushion, under the squeezing action of protruding awl and protruding pipe, can extrude the sealed sizing material of storing up the packing in the glue storage groove, fill in the joint gap between first sealed cushion and protruding pipe and protruding awl, increase the sealed effect between first sealed cushion and protruding pipe and the protruding awl by a wide margin, increase experiment accuracy.
Further, the sealing rubber material is preferably air-hardening rubber material, preferably 502 rubber, and after the sealing rubber material flows out and the protruding cone and the protruding pipe completely penetrate into the first box body, the sealing performance is increased through the self-solidification of the sealing rubber material.
Furthermore, the plurality of hairline cracks are communicated with one another in a staggered mode to form a net-shaped channel, so that the connectivity of the hairline cracks is greatly increased, and the phenomenon that the part of the hairline cracks is blocked by hardened sealant to cause that the sealant cannot flow out normally is avoided.
Further, it has the surperficial groove of scarceing to cut on the lateral wall of cushion main part, it has capillary microgroove to cut on the lateral wall of surperficial groove of scarce, and when the experiment ended, need maintain, clear up and separate simulation case and outstanding case, in outstanding case and the simulation case separation process, easily tear the separation with outstanding pipe and outstanding awl with first sealed cushion from first outstanding downthehole, reduce and maintain the degree of difficulty.
Furthermore, the inner wall of the glue storage tank is fixedly connected with a reinforcing net matched with the glue storage tank, so that the possibility that the glue storage tank is torn due to external force in the separation process can be greatly reduced, the possibility that sealing glue in the glue storage tank leaks is greatly reduced, and the difficulty in cleaning and maintenance is reduced.
Furthermore, the reinforcing net is formed by twisting and weaving high-toughness elastic fibers, so that the tensile resistance of the reinforcing net is improved, and the reinforcing net is not easy to tear and fail.
Furthermore, a connecting cable is fixedly connected between the protruding cone and the sealing ring, the connecting cable is in a stretched state, the vent hole is located in the protruding pipe, a sealing structure is formed inside a structure formed by the second box body, the protruding pipe and the protruding cone under the action of the connecting cable, and experimenters can simulate more gas protruding states through the change of the air pressure in the second box body, so that the accuracy of the experiment is improved.
Furthermore, a plurality of prefabricated grooves are cut on the connecting cable, so that the connecting cable is easier to break under the action of the compression spring on the premise of not influencing the normal fixation of the connecting cable, and the normal experimental measurement is not easy to influence.
Furthermore, the connecting cable is formed by twisting a plurality of elastic cables, so that the tensile resistance of the connecting cable is improved, the impact resistance of the connecting cable is not affected, and the overall strength of the connecting cable is improved.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
in this scheme, utilize a plurality of outburst casees to carry out the outburst experiment in proper order, according to multiple factors such as time and gas concentration change, as far as possible simulate out the outstanding state, through once the experiment, simulate out the outstanding condition of many times coal and gas.
In the protruding process, the first sealing rubber gasket is matched with the protruding pipe and the protruding cone to increase the sealing performance of the simulation box and the protruding box and increase the accuracy of the experiment.
The simulation of the actual condition is realized to the greatest extent, the accuracy of the experiment is increased, the error between the simulation and the actual condition is reduced, and the defects of the simulation are reduced.
Meanwhile, a closed space is formed in the second box body by utilizing the connecting cable, more choices are provided for environment simulation, and the diversity and the accuracy of the experiment are improved.
Drawings
FIG. 1 is a schematic view of a triaxial coal and gas outburst simulation experiment apparatus according to the present invention;
FIG. 2 is a schematic diagram of the structure of the simulation box of the present invention;
FIG. 3 is a schematic cross-sectional view of the sealing rubber gasket of the present invention;
FIG. 4 is a view at A in FIG. 3;
FIG. 5 is a schematic cross-sectional view of the outbox of the present invention;
FIG. 6 is a schematic view of the structure at B in FIG. 5;
FIG. 7 is a schematic structural view of a protruding cone of the present invention;
fig. 8 is a partial sectional view of the protruding tube and the protruding cone in embodiment 2 of the present invention.
The reference numbers in the figures illustrate:
the device comprises a base 1, an electromagnetic track 2, a simulation box 3, an outburst box 4, a first box body 5, a coal seam 6, a first outburst hole 7, a first sealing rubber gasket 8, a rubber gasket body 801, a rubber storage groove 802, a capillary crack 803, a reinforcing mesh 804, a groove on the surface 805, a capillary micro groove 806, an air duct 9, a second box body 10, a second outburst hole 11, a second sealing rubber gasket 12, an outburst pipe 13, a mounting ring 14, a protruding cone 15, a straight pipe 1501, a conical head 1502, a sliding groove on the surface 1503, an air vent 1504, a compression spring 16 and a connecting rope 17.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection can be direct connection or indirect connection through an intermediate medium, and can be communication inside the model adapting element. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-2 and 5-7, a continuous triaxial coal and gas outburst simulation experiment device comprises a base 1, a pair of electromagnetic rails 2 is chiseled at the upper end of the base 1, a simulation box 3 and a plurality of outburst boxes 4 are placed at the upper end of the base 1, a pair of electromagnetic sliders matched with the electromagnetic rails 2 are fixedly connected at the lower ends of the simulation box 3 and the plurality of outburst boxes 4, the simulation box 3, the plurality of outburst boxes 4 and the base 1 are in sliding connection through the electromagnetic sliders and the electromagnetic rails 2, the simulation box 3 comprises a first box body 5, an air duct 9 is fixedly connected on the side wall of one end of the first box body 5, one end of the air duct 9, which is close to the first box body 5, penetrates through the first box body 5 and is fixedly connected with the inside of the first box body 5, a first outburst hole 7 is drilled on the first box body 5, the end of the first outburst hole, a first sealing rubber gasket 8 is fixedly connected in the first protruding hole 7, a coal seam 6 is placed in the first box body 5, the coal seam 6 is positioned on one side of the first box body 5 close to the first protruding hole 7, the protruding box 4 comprises a second box body 10, a protruding pipe 13 is fixedly connected at the left end of the second box body 10, one end of the protruding pipe 13 close to the second box body 10 penetrates through the second box body 10 and is communicated with the inside of the second box body 10, a mounting ring 14 is fixedly connected in the protruding pipe 13, the mounting ring 14 is positioned on one side of the protruding pipe 13 far away from the second box body 10, a protruding cone 15 is slidably connected in the protruding pipe 13, a sealing ring is connected between the protruding cone 15 and the protruding pipe 13, the sealing ring is fixedly connected at the opening of the protruding pipe 13, a compression spring 16 is fixedly connected between the mounting ring 14 and the protruding cone 15, the protruding cone 15 comprises a straight pipe portion 1501, the straight pipe portion 1501 is inserted in the protruding pipe 13, a cone, the outer wall of the straight pipe portion 1501 is provided with a surface sliding groove 1503, the surface sliding groove 1503 is provided with a plurality of vent holes 1504, the second box body 10 is provided with a second protruding hole 11, the second protruding hole 11 is positioned on the side wall of the second box body 10 far away from the protruding pipe 13, a second sealing rubber gasket 12 matched with the second protruding hole 11 is fixedly connected in the second protruding hole 11, and the first protruding hole 7, the second protruding hole 11 and the protruding pipe 13 are matched in size.
In particular, the simulation box 3 and the protruding box 4 of the present embodiment need to be equipped with various sensors to detect data, and the types of sensors include but are not limited to: the gas concentration sensor, the air flow rate sensor, the temperature sensor, the pressure sensor, the humidity sensor and the like are used for detecting physical indexes in the simulation box 3 and the protruding box 4 and completing simulation experiments, the specific installation, arrangement design and use of the sensors are known technologies of technicians in the field, and the technicians in the field can carry out reasonable design, installation and use according to the prior art, so that the sensors are not disclosed in detail in the application.
One end of the air duct 9, which is far away from the first box body 5, is communicated with a high-pressure air pump, and the high-pressure air pump can inject gas with specified volume into the first box body 5 through the air duct 9 for controlling the quality of the gas in the first box body 5.
In the scheme, firstly, a high-pressure air pump is used for injecting gas into the first box body 5 through the air duct 9, the preset experimental standard is met, the gas injection is stopped, the first box body 5 is sealed, then the electromagnetic slider of the outburst box 4 is started, the outburst box 4 moves towards the simulation box 3, the outburst cone 15 and the outburst tube 13 are utilized for sequentially puncturing the first sealing rubber mat 8 and the coal bed 6, the outburst tube 13 and the outburst cone 15 are inserted into the first box body 5, in the process of inserting the outburst cone 15, the outburst cone 15 is extruded into the outburst tube 13 under the action of the first sealing rubber mat 8 and the coal bed 6, the vent hole 1504 is protected by the outburst tube 13 and is not easily polluted by the coal bed 6, after the outburst cone 15 completely passes through the coal bed 6, the outburst cone 15 is ejected away from the outburst tube 13 under the action of the compression spring 16 in a compression state, and the vent hole 1504 is exposed to the, and the first box body 5 and the second box body 10 are communicated, gas enters the second box body 10 through the protruding cone 15 and the protruding pipe 13, a protruding experiment is carried out for the first time, and then the next protruding box 4 is controlled to move towards the previous protruding box 4 to puncture the second protruding hole 11 and the second sealing rubber gasket 12 to carry out a secondary protruding experiment according to the preset standard of the experiment, including but not limited to the time structure and the change of the gas in the protruding box 4, after the specified concentration is reached.
The outburst condition of multiple times of coal and gas can be simulated through one-time experiment, the simulation of the actual condition is realized to a greater extent, the accuracy of the experiment is increased, the error existing between the simulation and the actual condition is reduced, and the defect existing in the simulation is reduced.
In particular, in this embodiment, the specific structures of the first sealing rubber gasket 8 and the second protruding hole 11 are completely the same, and the difference is that only the first sealing rubber gasket 8 is used in different devices, so only the specific structural limitation is performed on the first sealing rubber gasket 8 in this embodiment, the structure of the second protruding hole 11 can be substantially implemented with reference to the first sealing rubber gasket 8, referring to fig. 3-4, the first sealing rubber gasket 8 includes a rubber gasket main body 801, a rubber storage tank 802 is drilled in the rubber gasket main body 801, the rubber storage tank 802 is located at a side of the rubber gasket main body 801 close to the edge, the rubber storage tank 802 is filled with a sealing rubber material, the rubber gasket main body 801 is drilled with a plurality of capillary cracks 803, both ends of the plurality of capillary cracks 803 are communicated with the rubber storage tank 802, when the protruding cone 15 pierces the first sealing rubber gasket 8, the sealing rubber material filled in the rubber storage tank 802 is extruded and filled in the connection gap between the first rubber gasket 8 and the protruding tube 13 and the protruding cone 15, the sealing effect between the first sealing rubber gasket 8 and the protruding pipe 13 and the protruding cone 15 is greatly increased, the experimental accuracy is increased, the sealing rubber material is preferably air-hardening rubber material, preferably 502 rubber, after the sealing rubber material flows out, and the protruding cone 15 and the protruding pipe 13 completely penetrate into the first box body 5, the sealing performance is increased by the self-solidification of the sealing rubber material, the plurality of capillary cracks 803 are mutually communicated in a staggered mode to form a net-shaped channel, the connectivity of the capillary cracks 803 is greatly increased, the phenomenon that the sealing rubber material cannot flow out normally due to the fact that the part of the capillary cracks 803 is blocked by the hardened sealing rubber material is not prone to occur, a surface groove 805 is formed in the side wall of the rubber gasket main body 801, a fine groove 806 is formed in the side wall of the surface groove 805, when the experiment is finished, when the simulation box 3 and the protruding box 4 need to be maintained, cleaned and separated, the protruding box 4 and the simulation box 3 are separated, the protruding pipe 13 and the protruding cone 15 are prone to tear and separate the first sealing rubber gasket 8 from the first protruding hole, the maintenance difficulty is reduced, the reinforcing mesh 804 matched with the glue storage tank 802 is fixedly connected to the inner wall of the glue storage tank 802, the possibility that the glue storage tank 802 is torn due to pulling of external force in the separation process can be greatly reduced, the possibility that sealing glue in the glue storage tank 802 leaks is greatly reduced, the difficulty of cleaning and maintenance is reduced, the reinforcing mesh 804 is formed by twisting and weaving high-toughness elastic fibers, the tensile resistance of the reinforcing mesh 804 is improved, and the reinforcing mesh 804 is not prone to tearing and failure.
In this scheme, utilize a plurality of outburst casees 4 to carry out the outburst experiment in proper order, according to multiple factors such as time and gas concentration change, as far as possible simulate out the outstanding state, through once the experiment, simulate out the outstanding condition of a lot of coal and gas, realize the simulation to actual conditions in the great extent, increase the accuracy of experiment, reduce the error that simulation and actual conditions exist, reduce the defect that the simulation exists.
Example 2
Referring to fig. 8, a continuous triaxial coal and gas outburst simulation experiment device, a connecting cable 17 is fixedly connected between an outburst cone 15 and a sealing ring, the connecting cable 17 is in a stretched state, a vent hole 1504 is positioned in an outburst pipe 13, a sealing structure is formed inside a structure formed by a second box 10, the outburst pipe 13 and the outburst cone 15 under the action of the connecting cable 17, an experimenter can simulate more gas outburst states by changing the air pressure in the second box 10, the accuracy of the experiment is improved, because the outburst cone 15 is completely compressed into the outburst pipe 13 in the puncturing process, after the puncturing is finished, the outburst cone 15 is ejected under the action of a compression spring 16 in the compression state, when the connecting cable 17 reaches the self length limit, the speed of the connecting cable 17 is suddenly reduced due to the self length limit, impact is formed, and the connecting cable 17 is broken, get rid of the restraint to outstanding awl 15 for outstanding awl 15 can normally work, it has a plurality of pregrooves to cut on the connecting cable 17, under the prerequisite that does not influence connecting cable 17 and normally fix, make connecting cable 17 change and break apart under compression spring 16 effect, be difficult for influencing normal experimental measurement, connecting cable 17 chooses for use a plurality of elastic cables transposition to form, increase connecting cable 17's stretch-proofing performance, do not influence connecting cable 17's shock resistance, increase connecting cable 17 bulk strength.
The connecting cable 17 is utilized to form a closed space in the second box body 10, so that more choices are provided for environmental simulation, and the diversity and the accuracy of the experiment are increased.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a continuous type triaxial coal and gas outburst simulation experiment device, includes base (1), the upper end of base (1) is opened and is chiseled there is a pair of electromagnetism track (2), simulation case (3) and a plurality of outburst case (4) have been placed to the upper end of base (1), the equal fixedly connected with of lower extreme of simulation case (3) and a plurality of outburst case (4) a pair of and electromagnetism track (2) assorted electromagnetism slider, its characterized in that: simulation case (3) include first box (5), fixedly connected with air duct (9) on the one end lateral wall of first box (5), air duct (9) are close to the one end of first box (5) and run through first box (5) and with first box (5) inside fixed connection, first outburst hole (7) have been dug on first box (5), first outburst hole (7) are located the one end relative with air duct (9), fixedly connected with first sealed cushion (8) in first outburst hole (7), coal seam (6) have been placed in first box (5), coal seam (6) are located one side that first box (5) are close to first outburst hole (7), outburst case (4) include second box (10), the left end fixedly connected with outburst exit tube (13) of second box (10), the one end that outburst exit tube (13) are close to second box (10) runs through second box (10) and with second box ( (10) The interior of the protruding pipe (13) is communicated, a mounting ring (14) is fixedly connected in the protruding pipe (13), the mounting ring (14) is located on one side, away from the second box body (10), of the protruding pipe (13), a protruding cone (15) is connected in the protruding pipe (13) in a sliding mode, a sealing ring is connected between the protruding cone (15) and the protruding pipe (13), the sealing ring is fixedly connected at an opening of the protruding pipe (13), a compression spring (16) is fixedly connected between the mounting ring (14) and the protruding cone (15), the protruding cone (15) comprises a straight pipe portion (1501), the straight pipe portion (1501) is inserted in the protruding pipe (13), a cone head portion (1502) is fixedly connected at one end, away from the protruding pipe (13), of the straight pipe portion (1501), a surface chute (1503) is drilled in the outer wall of the straight pipe portion (1503), and a plurality of vent holes (1504) are drilled in the surface chute (1503), second outburst hole (11) have been dug on second box (10), second outburst hole (11) are located second box (10) and keep away from the lateral wall of outburst exit tube (13), fixedly connected with and self assorted second sealing rubber pad (12) in second outburst hole (11), the size phase-match of first outburst hole (7), second outburst hole (11) and outburst tube (13).
2. The continuous triaxial coal and gas outburst simulation experiment device according to claim 1, wherein: the first sealing rubber pad (8) comprises a rubber pad main body (801), a rubber storage groove (802) is formed in the rubber pad main body (801) in a chiseled mode, the rubber storage groove (802) is located on one side, close to the edge, of the rubber pad main body (801), sealing rubber is filled in the rubber storage groove (802), a plurality of hairline cracks (803) are formed in the rubber pad main body (801) in a chiseled mode, and two ends of the plurality of hairline cracks (803) are communicated with the rubber storage groove (802).
3. The continuous triaxial coal and gas outburst simulation experiment device according to claim 2, wherein: the sealing compound is preferably an air-setting compound, preferably a 502 compound, and flows out of the sealing compound.
4. The continuous triaxial coal and gas outburst simulation experiment device according to claim 2, wherein: the plurality of capillary cracks (803) are communicated with each other in a staggered mode to form a reticular channel.
5. The continuous triaxial coal and gas outburst simulation experiment device according to claim 2, wherein: the side wall of the rubber mat main body (801) is provided with a surface groove (805), and the side wall of the surface groove (805) is provided with a capillary micro groove (806).
6. The continuous triaxial coal and gas outburst simulation experiment device according to claim 2, wherein: the inner wall of the glue storage tank (802) is fixedly connected with a reinforcing net (804) matched with the glue storage tank.
7. The continuous triaxial coal and gas outburst simulation experiment device according to claim 6, wherein: the reinforcing net (804) is formed by twisting and weaving high-toughness elastic fibers.
8. The continuous triaxial coal and gas outburst simulation experiment device according to claim 1, wherein: a connecting cable (17) is fixedly connected between the protruding cone (15) and the sealing ring, the connecting cable (17) is in a stretched state, and the vent hole (1504) is positioned in the protruding pipe (13).
9. The continuous triaxial coal and gas outburst simulation experiment device according to claim 8, wherein: a plurality of prefabricated grooves are drilled on the connecting cable (17).
10. The continuous triaxial coal and gas outburst simulation experiment device according to claim 8, wherein: the connecting cable (17) is formed by twisting a plurality of elastic cables.
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