CN204789189U - Tunnel rock burst analogue means - Google Patents
Tunnel rock burst analogue means Download PDFInfo
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- CN204789189U CN204789189U CN201520319463.4U CN201520319463U CN204789189U CN 204789189 U CN204789189 U CN 204789189U CN 201520319463 U CN201520319463 U CN 201520319463U CN 204789189 U CN204789189 U CN 204789189U
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Abstract
The utility model provides a tunnel rock burst analogue means, is applicable to the simulation that tunnel rock burst phenomenon takes place. It is including the simulation frame, establish the simulation bottom plate in the simulation frame in proper order, simulation coal seam and simulation roof, it helps the impact body of coal (rock) the body to be equipped with simulation tunnel two in the simulation coal seam, the bilateral symmetry of assaulting the body be equipped with the energy storage equipment and link to each other with the energy storage equipment add the stay bolt, both sides are equipped with transparent organic glass board around the simulation frame, organic glass board both sides border is equipped with the bolt hole, the organic glass board both sides of going up the lower extreme are equipped with the fixed lateral wall board that adds the stay bolt respectively, both ends are even as an organic whole with the organic glass board of last lower extreme through the bolt about the lateral wall board, be equipped with the clamp plate of bearing responsibility on the simulation roof, be equipped with the pneumatic cylinder on the clamp plate of bearing responsibility, the top of simulation frame is equipped with the back timber. Can the visual simulation show the coal mine tunnel rock burst phenomenon of the coal petrography body on every side to through transparency glass plate observation, record experimentation, can replace the sample, duplicate test.
Description
Technical field
The utility model relates to a kind of rock burst analogue means, especially a kind of analogue means being applicable to simulation heading rock burst.
Background technology
Along with the increase of mining depth, the coal mine rock burst generation frequency constantly increases, and brings larger threat to Safety of Coal Mine Production.Rock burst generating process is of short duration, destructive large, on-the-spot it is seen that phenomenon after impact failure, is difficult to observe on-the-spot rock burst generating process.Through investigation, rock burst is multiple to be born in tunnel.Simulation rock burst generating process is the basis of research rock burst genesis mechanism and Prevention Technique.Given this, be necessary to press analogue means with designing a kind of roadway bump.
Summary of the invention
The purpose of this utility model is the weak point overcome in prior art, presses analogue means with providing the roadway bump that a kind of structure is simple, easy to operate, simulate effect is good.
For achieving the above object, roadway bump ground of the present utility model pressure analogue means, comprise simulation frame, be located at the simulation base plate of simulating in support body, simulation coal seam and simulation top board successively, described simulation frame comprises base, is located at the lateral wall plate of the base left and right sides and back timber; The impact body in simulation tunnel is provided with in described simulation coal seam, the Lengthened bolt that the symmetria bilateralis of impact body is provided with energy storage equipment and is connected with energy storage equipment, the both sides, front and back in described simulation tunnel are provided with transparent poly (methyl methacrylate) plate, and two ends, poly (methyl methacrylate) plate left and right are fixedly linked through the lateral wall plate of bolt with simulation frame both sides respectively; Described simulation top board is provided with pressing plate of bearing responsibility, and pressing plate of bearing responsibility is provided with press cylinder.
The described upper and lower termination of lateral wall plate is welded with the link angle steel be fixed on by lateral wall crab bolt on base and back timber.
Described lateral wall plate, base, back timber are Q235 type channel-section steel.
Described energy storage equipment comprises the orienting sleeve be fixed on impact body and the spring be connected with orienting sleeve.
Described poly (methyl methacrylate) plate adopts the poly (methyl methacrylate) plate that can bear more than 30Mpa compressive strength.
Described simulation coal seam is the strip or bulk made with rubber.
Described impact body is the brittle sheet made by gypsum.
Beneficial effect: the utility model is applicable to the simulation that roadway bump effect on crustalstress occurs.By linking angle steel in the upper and lower termination welding of lateral wall plate, lateral wall plate is bolted on base and back timber, be fixed on lateral wall plate with the poly (methyl methacrylate) plate of high strength by bolted splice, lateral wall plate, base, back timber all adopt High-strength channel steel, slowly apply in static load process by hydraulic control system, energy storage equipment by centralize ability, simultaneously by stress and energy transferring to impact body, when impact body reaches the breakdown strength limit, impact body by destruction, go out original position.Compared with prior art, major advantage has:
Can the rock burst phenomenon of coal and rock around visual simulation display coal mine roadway, replaceable sample, revision test.During sample generation impact failure, the fragment of splashing is kept off by the organic glass plate resistance of high strength, guarantees the security of experimentation, can be observed simultaneously, record experimentation, can be widely used in the teaching and scientific research of mining engineering subject by transparency glass plate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A-A sectional view of the present utility model.
In figure: 1-simulation tunnel, 2-simulation coal seam, 3-impact body, 4-pressing plate of bearing responsibility, 5-hydraulic cylinder, 6-simulation base plate, 7-base, 8-back timber, 9-lateral wall plate, 10-simulation top board, 11-energy storage equipment, 12-Lengthened bolt, 13-nut, 14-transparent plexiglass plate, 15-bolt, 16-link angle steel.
Embodiment
Below in conjunction with accompanying drawing, an embodiment of the present utility model is further described:
Roadway bump ground of the present utility model pressure analogue means, primarily of simulation frame, be successively located at simulation support body in simulation base plate 6, simulation coal seam 2 and simulation top board 10 form, described simulation frame comprises base 7, is located at lateral wall plate 9 and the back timber 8 of base 7 left and right sides; Described lateral wall plate about 9 termination is welded with the link angle steel 16 be bolted to by lateral wall plate 9 on base 7 and back timber 8; Described lateral wall plate 9, base 7, back timber 8 all adopt Q235 type channel-section steel.Be provided with the impact body 3 in simulation tunnel 1 in described simulation coal seam 2, described impact body 3 adopts the brittle sheet made by gypsum.The Lengthened bolt 12 that the symmetria bilateralis of impact body 3 is provided with energy storage equipment 11 and is connected with energy storage equipment 11, described energy storage equipment 11 comprises the orienting sleeve be fixed on impact body 3 and the spring be connected with orienting sleeve.The both sides, front and back in described simulation tunnel 1 are provided with transparent poly (methyl methacrylate) plate 14, and described poly (methyl methacrylate) plate 14 adopts the poly (methyl methacrylate) plate that can bear more than 30Mpa compressive strength.Border, poly (methyl methacrylate) plate about 14 two ends is respectively equipped with two row's bolts hole, simulation frame both sides are provided with the lateral wall plate 9 in strap bolt hole, lateral wall plate 9 is connected as a single entity through bolt 15 and poly (methyl methacrylate) plate 14, and poly (methyl methacrylate) plate about 14 two ends are fixedly linked through the lateral wall plate 9 of bolt with simulation frame both sides respectively; Described simulation top board 10 is provided with pressing plate 4 of bearing responsibility, and pressing plate 4 of bearing responsibility is provided with press cylinder 5.Described simulation top board 10 adopts that lime, sand, cement mixing are cementing to be made.Described simulation coal seam 2 is the strip or bulk made with rubber strip.The top of simulation frame is provided with back timber 8.
The course of work:
1) in the welding of lateral wall plate about 9 termination, angle steel 16 is linked, lateral wall plate 9 is fixed on base 7 and back timber 8 by bolt 15, transparent plexiglass plate 14 is hingedly fixed on lateral wall plate 9 by bolt 15, lateral wall plate 9, base 7, back timber 8 are Q235 type channel-section steel, form basic simulation frame with upper-part.
2) on the upside of base 7, inside lateral wall plate 9, simulation base plate 6, simulation coal seam 2, simulation top board 10 is laid from lower to upper successively; In the process of deployment of simulation coal seam 2, reserve the space in tunnel 1, in the both sides in tunnel 1, impact body 3 is installed.
3) simulate base plate 6, simulation top board 10 generally can have that lime, sand, cement etc. are cementing to be made; Simulation coal seam 2 generally can be done into strips by rubber or bulk; Impact body 3 generally can make brittle sheet by gypsum etc.
4) on lateral wall plate 9, bore a circular hole, welded nut 13 outside circular hole, Lengthened bolt 12 can be screwed into, be back-outed by nut 13; Energy storage equipment 11(is installed between Lengthened bolt 12 and impact body 3 be generally made up of the spring that can reuse).
5) on simulation top board 10 top, pressing plate 4 of bearing responsibility is installed, hydraulic cylinder 5 installed by pressing plate 4 of bearing responsibility;
6) making energy storage equipment 11 store certain energy by being screwed into Lengthened bolt 12, being pressurizeed to hydraulic jack 5 by hydraulic control system, the perpendicular stress in simulated formation, because the displacement of lateral wall plate 9 limits thus can produce horizontal stress in the earth formation;
7) hydraulic control system slowly applies in static load process, energy storage equipment 11 by centralize ability, simultaneously by stress and energy transferring to impact body 3, when impact body 3 reaches the breakdown strength limit, impact body 3 by destruction, go out original position.
The various embodiments described above are only for illustration of the utility model; wherein the structure of each parts, connected mode, material and manufacture craft etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (7)
1. a roadway bump ground pressure analogue means, it is characterized in that: it comprises simulation frame, is located at the simulation base plate (6) of simulating in support body, simulation coal seam (2) and simulation top board (10) successively, and described simulation frame comprises base (7), is located at the lateral wall plate (9) of base (7) left and right sides and back timber (8); The impact body (3) of simulation tunnel (1) is provided with in described simulation coal seam (2), the Lengthened bolt (12) that the symmetria bilateralis of impact body (3) is provided with energy storage equipment (11) and is connected with energy storage equipment (11), the both sides, front and back of described simulation tunnel (1) are provided with transparent poly (methyl methacrylate) plate (14), and poly (methyl methacrylate) plate (14) two ends, left and right are fixedly linked through the lateral wall plate (9) of bolt with simulation frame both sides respectively; Described simulation top board (10) is provided with pressing plate of bearing responsibility (4), and pressing plate of bearing responsibility (4) is provided with press cylinder (5).
2. a kind of roadway bump ground according to claim 1 pressure analogue means, is characterized in that: described lateral wall plate (9) up and down termination is welded with the link angle steel (16) be bolted to by lateral wall plate (9) on base (7) and back timber (8).
3. a kind of roadway bump ground according to claim 2 pressure analogue means, is characterized in that: described lateral wall plate (9), base (7), back timber (8) are Q235 type channel-section steel.
4. a kind of roadway bump ground according to claim 1 pressure analogue means, is characterized in that: described energy storage equipment (11) comprises the orienting sleeve be fixed on impact body (3) and the spring be connected with orienting sleeve.
5. a kind of roadway bump ground according to claim 1 pressure analogue means, is characterized in that: described poly (methyl methacrylate) plate (14) adopts the poly (methyl methacrylate) plate that can bear more than 30Mpa compressive strength.
6. a kind of roadway bump ground according to claim 1 pressure analogue means, is characterized in that: described simulation coal seam (2) is the strip or bulk made with rubber.
7. a kind of roadway bump ground according to claim 1 pressure analogue means, is characterized in that: described impact body (3) is the brittle sheet made by gypsum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520319463.4U CN204789189U (en) | 2015-05-18 | 2015-05-18 | Tunnel rock burst analogue means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520319463.4U CN204789189U (en) | 2015-05-18 | 2015-05-18 | Tunnel rock burst analogue means |
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| Publication Number | Publication Date |
|---|---|
| CN204789189U true CN204789189U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520319463.4U Expired - Fee Related CN204789189U (en) | 2015-05-18 | 2015-05-18 | Tunnel rock burst analogue means |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865921A (en) * | 2016-05-06 | 2016-08-17 | 安徽理工大学 | Large-size simulated roadway shotcrete supporting shotcrete layer loading method |
| CN109958420A (en) * | 2019-03-15 | 2019-07-02 | 河南理工大学 | Simulate the visual test device and test method that stope of coal mines tunnel crack develops |
| CN110007059A (en) * | 2019-05-29 | 2019-07-12 | 河南理工大学 | Bump breaks coal containing methane gas experimental system for simulating and broken coal experimental method |
-
2015
- 2015-05-18 CN CN201520319463.4U patent/CN204789189U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865921A (en) * | 2016-05-06 | 2016-08-17 | 安徽理工大学 | Large-size simulated roadway shotcrete supporting shotcrete layer loading method |
| CN109958420A (en) * | 2019-03-15 | 2019-07-02 | 河南理工大学 | Simulate the visual test device and test method that stope of coal mines tunnel crack develops |
| CN109958420B (en) * | 2019-03-15 | 2021-04-23 | 河南理工大学 | Visual test device and test method for simulating coal mine stoping roadway fracture evolution |
| CN110007059A (en) * | 2019-05-29 | 2019-07-12 | 河南理工大学 | Bump breaks coal containing methane gas experimental system for simulating and broken coal experimental method |
| CN110007059B (en) * | 2019-05-29 | 2023-06-23 | 河南理工大学 | Impact ground pressure breaking gas-containing coal simulation experiment system and coal breaking experiment method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20160518 |
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| CF01 | Termination of patent right due to non-payment of annual fee |