CN105067797A - Similarity simulation experiment table for coal and rock roadway and assembling method for similarity simulation experiment table - Google Patents
Similarity simulation experiment table for coal and rock roadway and assembling method for similarity simulation experiment table Download PDFInfo
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Abstract
The invention discloses a similarity simulation experiment table for a coal and rock roadway. The similarity simulation experiment table comprises a base, a counterforce loading device and rotating devices, wherein a simulated rock stratum is arranged among loading baffle plates of the counterforce loading device; the counterforce loading device is fixedly arranged on the base through the rotating devices, and is driven by the rotating devices to rotate leftwards and rightwards on the base. Compared with the prior art, the similarity simulation experiment table for the coal and rock roadway has the advantages that the simulated rock stratum is arranged in the counterforce loading device, different bearing capacities of the simulated rock stratum in the counterforce loading device are controlled by controlling loading jacks, and the left and right rotating devices are controlled by supporting jacks to support the counterforce loading device and drive the counterforce loading device to rotate leftwards and rightwards to simulate coal and rock seams at different inclination angles to finish simulating coal and rock roadway excavation and supporting processes of different simulated rock strata.
Description
Technical field
The present invention relates to a kind of coal rock tunnel simulated experiment platform, in particular a kind of coal rock tunnel similarity simulation experiment platform and assembly method thereof.
Background technology
The stability of mine down-hole coal rock tunnel is the important guarantee of safety in production, and its primary construction expense and later maintenance expense occupy the very large proportion of coal production cost, and also concerning the important symbol whether colliery gets a profit, its importance is just self-evident.Along with colliery enters deep mining, the natural complex conditions such as Soft Rock Rheology characteristic manifests, complex structure stress, and for meeting the needs of colliery integral production, frequent needs safeguard Drift stability under chamber group, chamber of going up a hill, specific condition such as intersection tunnel, passing fault etc., thus causing large deformation or even roof collapse to happen occasionally in large absolutely number Deep Mine, the Stability Maintenance of coal rock tunnel becomes more and more difficult; Deep tunnel large deformation failure mechanism cannot be said clearly in theory again in reality, can only study by analog simulation, to deep understanding large deformation of roadway mechanism, search out feasible control technology.
And coal rock tunnel analog simulation experimental device mainly has the following disadvantages at present: inclination angle, different tunnel cannot be simulated; Cannot for convenience detach, assembling experiment table; Simulation plane and three-dimensional empirical model cannot be taken into account; Therefore, need to improve above-mentioned coal rock tunnel similarity simulation experiment platform.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of coal rock tunnel similarity simulation experiment platform and assembly method thereof, be applicable to the stability in the coal petrography tunnel under test different angle, lithology condition.
The present invention is achieved by the following technical solutions: a kind of coal rock tunnel similarity simulation experiment platform, comprise base, counter-force charger and whirligig, simulation rock stratum is placed between the loading baffle plate of described counter-force charger, described counter-force charger is fixed on base by described whirligig, and described whirligig drives described counter-force charger to rotate on described base.
As the further optimization of such scheme, described counter-force charger comprises at least two plane counter-force chargers and forward and backward baffle walls;
Described plane counter-force charger comprises upper and lower, left and right baffle plate, back timber, bottom girder, left column, right column, multiple ring flange and multiple loading lifting jack, described back timber, bottom girder, left column, right column are hinged to one by high-strength bolt, and all fixing at least two loading lifting jack on the lateral surface of described upper and lower, left and right baffle plate, the two ends of described loading lifting jack are equipped with ring flange, and the loading lifting jack other end correspondence on the baffle plate of described upper and lower, left and right is fixed on described back timber, bottom girder, left column and right column.
As the further optimization of such scheme, described base is trapezoidal base, comprises halfpace, is located at the right base on the right of halfpace and is located at the left base on the halfpace left side, and the height of described halfpace is higher than the height of described right base and described left base.
As the further optimization of such scheme, described right base is a groove.
As the further optimization of such scheme, described whirligig comprises left rotation device and right rotation device, and described right rotation device one end is fixed on right base, and one end is fixed on right section of the bottom surface of counter-force charger; One end of described left rotation device is fixed on described halfpace, and the stage casing of the bottom surface of counter-force charger is fixed in one end;
Described left and right whirligig comprises and is rotatably connected bearing and support jack, and the two ends on described support jack top are respectively equipped with described in one and are rotatably connected bearing.
The inside of described counter-force charger is located in simulation rock stratum, by the different bearer power of controlled loading lifting jack control simulation rock stratum in the inside of described counter-force charger, control described left and right whirligig by support jack and support described counter-force charger and drive described counter-force charger to rotate.
As the further optimization of such scheme, described counter-force charger comprises two plane counter-force chargers, two described plane counter-force chargers parallel and on front and back sides correspondence be provided with forward and backward baffle walls and fix.
As the further optimization of such scheme, the lateral surface of described upper and lower, left and right baffle plate is equipped with three loading lifting jack, the other end of three loading lifting jack on the baffle plate of described upper and lower, left and right respectively correspondence is fixed on described back timber, bottom girder, left column and right column.
An assembly method for coal rock tunnel similarity simulation experiment platform, comprises the steps:
(1) back timber, bottom girder, left column, right column are hinged to one by high-strength bolt; By mounting flange on the two ends of loading lifting jack; And by the lateral surface of installation upper and lower, left and right, the loading lifting jack one end baffle plate after mounting flange; And the other end of the loading lifting jack after mounting flange correspondence is installed on the medial surface of back timber, bottom girder, left column, right column, be assembled into plane counter-force charger;
(2) by plane counter-force charger positioned parallel that at least two steps (1) assemble, and on front and back sides, fixedly mount forward and backward baffle walls, be assembled into counter-force charger, and simulation rock stratum is placed in the upper and lower, left and right baffle plate of counter-force charger;
(3) two ends of support jack are all connected be rotatably connected bearing, assembling left rotation device and right rotation device, and the stage casing, bottom surface of counter-force charger is fixed on halfpace by left rotation device, and the right-hand member of the bottom surface of counter-force charger is fixed on right base by right rotation device, be assembled into a kind of coal rock tunnel similarity simulation experiment platform.
Compared with the prior art, the beneficial effect of a kind of coal rock tunnel similarity simulation experiment platform of the present invention is embodied in:
1, a kind of coal rock tunnel similarity simulation experiment platform of the present invention, is applicable to test different angle, lithology Coal Under rock gangway road " country rock-supporting " stability.A kind of coal rock tunnel similarity simulation experiment platform of the present invention conveniently can switch to plane or stereoscopic model experiment.The inside of counter-force charger is located in simulation rock stratum, by the different bearer power of controlled loading lifting jack control simulation rock stratum in the inside of counter-force charger, control left and right whirligig reaction of bearing charger by support jack and drive described counter-force charger to rotate, realize the simulation that left rotation and right rotation meets differing tilt angles coal rock layer, solve and cannot simulate different coal rock tunnel inclination angle at present.
2, the assembly method of a kind of coal rock tunnel similarity simulation experiment platform of the present invention, disassembly and assembly are convenient, facilitate the conversion of plane and three-dimensional analog simulation.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of coal rock tunnel similarity simulation experiment platform of the present invention.
Fig. 2 is the structural representation of plane counter-force charger of the present invention.
Fig. 3 is the structural representation that the upper and lower, left and right baffle plate in Fig. 2 is connected with loading lifting jack.
Fig. 4 (a) and Fig. 4 (b) are the structural representation of front board wall in Fig. 1 and backstop board wall respectively.
Fig. 5 is the structural representation that base of the present invention and whirligig are connected.
Fig. 6 (a) and Fig. 6 (b) are the structural representation of left rotation device in Fig. 5 and right rotation device respectively.
Fig. 7 is the structural representation of the state change of a kind of coal rock tunnel similarity simulation experiment platform of the present invention.
In figure: base 1, counter-force charger 2, whirligig 3, simulation rock stratum 4, left base 101, right base 102, halfpace 103, counter-force charger 2, plane counter-force charger 21, front board wall 22, backstop board wall 23, left rotation device 31, right rotation device 32, rotatable bearing 301, support jack 302, overhead gage 5, lower baffle plate 6, right baffle-plate 7, right baffle plate 8, back timber 51, bottom girder 61, left column 71, right column 81, loading lifting jack 9, ring flange 10, high-strength bolt 11.
Embodiment
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
See the structural representation that Fig. 1, Fig. 1 are a kind of coal rock tunnel similarity simulation experiment platforms of the present invention.A kind of coal rock tunnel similarity simulation experiment platform, comprise base 1, counter-force charger 2 and whirligig 3, simulation rock stratum 4 is placed between the loading baffle plate of counter-force charger 2, counter-force charger 2 is fixed on base 1 by whirligig 3, and rotation dress band dynamical reaction charger rotates on described base 1.
Counter-force charger 2 comprises two plane counter-force chargers 21, front board wall 22 and backstop board walls 23.See the structural representation that 4 (a) and Fig. 4 (b), Fig. 4 (a) and Fig. 4 (b) are front board wall in Fig. 1 and backstop board wall respectively.Plane counter-force charger 21 comprises overhead gage 5, lower baffle plate 6, right baffle-plate 7, right baffle plate 8, back timber 51, bottom girder 61, left column 71, right column 81, multiple ring flange 10 and multiple loading very heavy 9.See the structural representation that Fig. 2 and Fig. 3, Fig. 2 are plane counter-force chargers of the present invention.Fig. 3 is the structural representation of plane counter-force charger of the present invention.Back timber 51, bottom girder 61, left column 71, right column 81 are hinged to one by high-strength bolt, and the lateral surface of overhead gage 5, lower baffle plate 6, right baffle-plate 7, right baffle plate 8 all has three loading lifting jack 9, the two ends loading lifting jack 9 are equipped with ring flange 10, and loading lifting jack 9 other end correspondence on overhead gage 5, lower baffle plate 6, right baffle-plate 7, right baffle plate 8 is fixed on back timber 51, bottom girder 61, left column 71 and right column 81.
In addition, base 1 is trapezoidal base, comprises halfpace 103, is located at the right base 102 on the right of halfpace 103 and is located at the left base 101 on halfpace 103 left side, and the height of halfpace 103 is higher than the height of right base 102 and left base 101.The structural representation that base of the present invention and whirligig are connected see Fig. 5, Fig. 5.In preferred embodiments of the present invention, right base 101 is a groove.
Whirligig 3 comprises left rotation device 31 and right rotation device 32, is the structural representation of left rotation device in Fig. 5 and right rotation device see Fig. 6 (a) and Fig. 6 (b), Fig. 6 (a) and Fig. 6 (b) respectively.Left rotation device 31 and right rotation device 32 comprise and are rotatably connected bearing 301 and support jack 302, and the two ends of support jack 302 are respectively equipped with one and are rotatably connected bearing 301.Right rotation device 32 one end is fixed on right base 102, and the right-hand member of the bottom surface of counter-force charger 2 is fixed in one end; One end of left rotation device 31 is fixed on halfpace 103, and the stage casing of the bottom surface of counter-force charger 2 is fixed in one end.
The inside of counter-force charger 2 is located in simulation rock stratum 4, by the different bearer power of controlled loading lifting jack 9 control simulation rock stratum 4 in the inside of counter-force charger 2, control described left and right whirligig by support jack 302 and support described counter-force charger and drive described counter-force charger to rotate.Complete coal rock tunnel excavation and the Bracing Process of simulation different simulation rock stratum 4.Realize the simulation that left rotation and right rotation meets differing tilt angles coal rock layer, simulate different coal rock tunnel inclination angle.
A kind of coal rock tunnel similarity simulation experiment platform of the present invention adopts fabricated construction, there is larger scope of activities, adapt to different contents of the test and boundary condition thereof, different tests under meeting requirements on three-dimensional, plane strain and plane stress condition needs, such as three-dimensional stope, plane stope, three-dimensional roadway, plane tunnel.A kind of coal rock tunnel similarity simulation experiment platform of the present invention can left rotation and right rotation, and the maximum anglec of rotation 80 degree, meets the test simulation of different rock-layers.Counter-force charger full-size 2000 × 1500 × 600mm (wide × high × thick) of a kind of coal rock tunnel similarity simulation experiment platform of the present invention, minimum dimension 2000 × 1000 × 300mm.And can assemble by the multiple of 300mm in a thickness direction, minimum 300mm, maximum 600mm, 1500mm is constant for height.
An assembly method for coal rock tunnel similarity simulation experiment platform, comprises the steps:
(1) back timber, bottom girder, left column, right column are hinged to one by high-strength bolt; By mounting flange on the two ends of loading lifting jack; And by the lateral surface of installation upper and lower, left and right, the loading lifting jack one end baffle plate after mounting flange; And the other end of the loading lifting jack after mounting flange correspondence is installed on the medial surface of back timber, bottom girder, left column, right column, be assembled into plane counter-force charger;
(2) by plane counter-force charger positioned parallel that at least two steps (1) assemble, and on front and back sides, fixedly mount forward and backward baffle walls, be assembled into counter-force charger, and simulation rock stratum is placed in the upper and lower, left and right baffle plate of counter-force charger;
(3) two ends of support jack are all connected be rotatably connected bearing, assembling left rotation device and right rotation device, and the stage casing, bottom surface of counter-force charger is fixed on halfpace by left rotation device, and the right-hand member of the bottom surface of counter-force charger is fixed on right base by right rotation device, be assembled into a kind of coal rock tunnel similarity simulation experiment platform.
The assembly method of a kind of coal rock tunnel similarity simulation experiment platform of the present invention, disassembly and assembly are convenient, facilitate the conversion of plane and three-dimensional analog simulation.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (8)
1. a coal rock tunnel similarity simulation experiment platform, it is characterized in that: comprise base (1), counter-force charger (2) and whirligig (3), simulation rock stratum (4) is placed between the loading baffle plate of described counter-force charger (2), described counter-force charger (2) is fixed on base (1) by described whirligig (3), and described whirligig drives described counter-force charger in the upper rotation of described base (1).
2. a kind of coal rock tunnel similarity simulation experiment platform according to claim 1, is characterized in that: described counter-force charger (2) comprises at least two plane counter-force chargers (21) and forward and backward baffle walls (22,23);
Described plane counter-force charger (21) comprises, under, left, right baffle plate (5, 6, 7, 8), back timber (51), bottom girder (61), left column (71), right column (81), multiple ring flange (10) and multiple loading lifting jack (9), described back timber (51), bottom girder (61), left column (71), right column (81) is hinged to one by high-strength bolt, and described on, under, left, right baffle plate (5, 6, 7, 8) all fixing at least two loading lifting jack (9) on lateral surface, the two ends of described loading lifting jack (9) are equipped with ring flange (10), on described, under, left, right baffle plate (5, 6, 7, 8) loading lifting jack (9) other end correspondence on is fixed on described back timber (51), bottom girder (61), on left column (71) and right column (81).
3. a kind of coal rock tunnel similarity simulation experiment platform according to claim 1, it is characterized in that: described base (1) is trapezoidal base, comprise halfpace (103), be located at the right base (102) on halfpace (103) the right and be located at the left base (101) on halfpace (103) left side, and the height of described halfpace (103) is higher than the height of described right base (102) and described left base (101).
4. a kind of coal rock tunnel similarity simulation experiment platform according to claim 3, is characterized in that: described right base (101) is a groove.
5. a kind of coal rock tunnel similarity simulation experiment platform according to claim 1 or 2 or 3, it is characterized in that: described whirligig (3) comprises left rotation device (31) and right rotation device (32), described right rotation device (32) one end is fixed on right base (102), and one end is fixed on right section of the bottom surface of counter-force charger (2); One end of described left rotation device (31) is fixed on described halfpace (103), and the stage casing of the bottom surface of counter-force charger (2) is fixed in one end;
Described left and right whirligig (31,32) comprise and be rotatably connected bearing (301) and support jack (302), the two ends that described support jack (302) pushes up are respectively equipped with described in one and are rotatably connected bearing (301).
The inside of described counter-force charger is located in simulation rock stratum (4), by the different bearer power of controlled loading lifting jack (9) control simulation rock stratum (4) in the inside of described counter-force charger, control described left and right whirligig by support jack (302) and support described counter-force charger and drive described counter-force charger to rotate.
6. a kind of coal rock tunnel similarity simulation experiment platform according to claim 2, it is characterized in that: described counter-force charger (2) comprises two plane counter-force chargers (21), two described plane counter-force chargers (21) parallel and on front and back sides correspondence be provided with forward and backward baffle walls (22,23) and fix.
7. a kind of coal rock tunnel similarity simulation experiment platform according to claim 2, it is characterized in that: described upper and lower, left and right baffle plate (5,6,7,8) lateral surface is equipped with three loading lifting jack (9), described upper and lower, left and right baffle plate (5,6,7,8) other end of three loading lifting jack (9) on respectively correspondence is fixed on described back timber (51), bottom girder (61), left column (71) and right column (81).
8. the assembly method of the arbitrary described a kind of coal rock tunnel similarity simulation experiment platform of claim 1-7, is characterized in that: comprise the steps:
(1), back timber, bottom girder, left column, right column are hinged to one by high-strength bolt; By mounting flange on the two ends of loading lifting jack; And by the lateral surface of installation upper and lower, left and right, the loading lifting jack one end baffle plate after mounting flange; And the other end of the loading lifting jack after mounting flange correspondence is installed on the medial surface of back timber, bottom girder, left column, right column, be assembled into plane counter-force charger;
(2) by plane counter-force charger positioned parallel that at least two steps (1) assemble, and on front and back sides, fixedly mount forward and backward baffle walls, be assembled into counter-force charger, and simulation rock stratum is placed in the upper and lower, left and right baffle plate of counter-force charger;
(3) two ends of support jack are all connected be rotatably connected bearing, assembling left rotation device and right rotation device, and the stage casing, bottom surface of counter-force charger is fixed on halfpace by left rotation device, and the right-hand member of the bottom surface of counter-force charger is fixed on right base by right rotation device, be assembled into a kind of coal rock tunnel similarity simulation experiment platform.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610443036.6A CN106153858A (en) | 2015-09-10 | 2015-09-10 | A kind of assembly method possessing coal rock layer tunnel, inclination angle material simulation laboratory table |
| CN201610438698.4A CN106124733A (en) | 2015-09-10 | 2015-09-10 | A kind of assembly method based on coal rock tunnel similarity simulation experiment platform |
| CN201610438212.7A CN106124234A (en) | 2015-09-10 | 2015-09-10 | A kind of coal petrography tunnel simulated experiment platform possessing adjustable inclination angle |
| CN201510574087.8A CN105067797B (en) | 2015-09-10 | 2015-09-10 | A kind of coal rock tunnel similarity simulation experiment platform and its assembly method |
| CN201610438417.5A CN106124732A (en) | 2015-09-10 | 2015-09-10 | A kind of material similarity simulation experiment platform of coal rock tunnel |
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| CN201510574087.8A CN105067797B (en) | 2015-09-10 | 2015-09-10 | A kind of coal rock tunnel similarity simulation experiment platform and its assembly method |
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| CN201610438417.5A Division CN106124732A (en) | 2015-09-10 | 2015-09-10 | A kind of material similarity simulation experiment platform of coal rock tunnel |
| CN201610438212.7A Division CN106124234A (en) | 2015-09-10 | 2015-09-10 | A kind of coal petrography tunnel simulated experiment platform possessing adjustable inclination angle |
| CN201610438698.4A Division CN106124733A (en) | 2015-09-10 | 2015-09-10 | A kind of assembly method based on coal rock tunnel similarity simulation experiment platform |
| CN201610443036.6A Division CN106153858A (en) | 2015-09-10 | 2015-09-10 | A kind of assembly method possessing coal rock layer tunnel, inclination angle material simulation laboratory table |
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| CN105067797A true CN105067797A (en) | 2015-11-18 |
| CN105067797B CN105067797B (en) | 2017-03-01 |
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| CN201610438698.4A Pending CN106124733A (en) | 2015-09-10 | 2015-09-10 | A kind of assembly method based on coal rock tunnel similarity simulation experiment platform |
| CN201610438212.7A Pending CN106124234A (en) | 2015-09-10 | 2015-09-10 | A kind of coal petrography tunnel simulated experiment platform possessing adjustable inclination angle |
| CN201610438417.5A Pending CN106124732A (en) | 2015-09-10 | 2015-09-10 | A kind of material similarity simulation experiment platform of coal rock tunnel |
| CN201610443036.6A Pending CN106153858A (en) | 2015-09-10 | 2015-09-10 | A kind of assembly method possessing coal rock layer tunnel, inclination angle material simulation laboratory table |
| CN201510574087.8A Expired - Fee Related CN105067797B (en) | 2015-09-10 | 2015-09-10 | A kind of coal rock tunnel similarity simulation experiment platform and its assembly method |
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| CN201610438212.7A Pending CN106124234A (en) | 2015-09-10 | 2015-09-10 | A kind of coal petrography tunnel simulated experiment platform possessing adjustable inclination angle |
| CN201610438417.5A Pending CN106124732A (en) | 2015-09-10 | 2015-09-10 | A kind of material similarity simulation experiment platform of coal rock tunnel |
| CN201610443036.6A Pending CN106153858A (en) | 2015-09-10 | 2015-09-10 | A kind of assembly method possessing coal rock layer tunnel, inclination angle material simulation laboratory table |
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| CN106840567A (en) * | 2017-03-22 | 2017-06-13 | 西安科技大学 | A kind of coal bunker analog simulation experimental device and method |
| CN106840567B (en) * | 2017-03-22 | 2023-02-21 | 西安科技大学 | Coal bunker analog simulation experiment device and method |
| CN107221248A (en) * | 2017-07-07 | 2017-09-29 | 安徽理工大学 | One kind mining experimental teaching unit |
| CN107345486A (en) * | 2017-08-29 | 2017-11-14 | 河南理工大学 | A kind of angle, ventilation, the adjustable digging laneway dedusting analogue experiment installation in dirt source |
| CN109115996A (en) * | 2018-09-30 | 2019-01-01 | 太原理工大学 | A kind of excavating device for multi-angle roadway excavation in the similar simulation test of two dimension |
| CN109115996B (en) * | 2018-09-30 | 2020-12-29 | 太原理工大学 | A excavation device that is arranged in two-dimentional analog simulation test multi-angle tunnel to excavate |
| CN110702062A (en) * | 2019-09-06 | 2020-01-17 | 山东科技大学 | Plane movement deformation measurement system and application thereof in two-dimensional analog simulation experiment |
| CN110702062B (en) * | 2019-09-06 | 2020-11-17 | 山东科技大学 | Plane movement deformation measurement system and application thereof in two-dimensional analog simulation experiment |
| CN113848101A (en) * | 2021-09-22 | 2021-12-28 | 中铁二十局集团第四工程有限公司 | Similar simulation experiment system for realizing composite stratum circular tunnel under condition of considering plane strain state and use method |
| CN113848101B (en) * | 2021-09-22 | 2024-04-19 | 中铁二十局集团第四工程有限公司 | Simulation experiment system for realizing composite stratum circular tunnel under plane strain state and application method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106153858A (en) | 2016-11-23 |
| CN105067797B (en) | 2017-03-01 |
| CN106124234A (en) | 2016-11-16 |
| CN106124733A (en) | 2016-11-16 |
| CN106124732A (en) | 2016-11-16 |
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