CN103216235A - Automatically controlled full-mechanized caving mining loose visual simulation experiment table - Google Patents
Automatically controlled full-mechanized caving mining loose visual simulation experiment table Download PDFInfo
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- CN103216235A CN103216235A CN2013100745166A CN201310074516A CN103216235A CN 103216235 A CN103216235 A CN 103216235A CN 2013100745166 A CN2013100745166 A CN 2013100745166A CN 201310074516 A CN201310074516 A CN 201310074516A CN 103216235 A CN103216235 A CN 103216235A
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Abstract
The invention provides an automatically controlled full-mechanized caving mining loose visual simulation experiment table. The invention comprises a experiment table framework, a visual portion, a remote control apparatus, a top coal support grid and moving system, a support moving system and an angle adjusting system; The main body of the experiment table employs a frame-type structure, and the side surface of the experiment table framework employs a transparent plastic plate, and the remote control apparatus controls the simulation experiment table system, and experiment table system control parameters are set by the remote control apparatus, and an initial goaf is simulated on the experiment table frame, and a spoil baffle plate is disposed behind the initial goaf, thereby the simulation is directly in a normal top coal case; the top coal support grid is temporarily supported by top coal and the top board, and the support employs a simple top coal support, and support is provided with a gear which moves on a self-moving track, and the support gear is driven by a stepping motor, and a tooth bar which is engaged with the support gear is fixed on a experiment table framework base plate, and the top coal support grid moves on the self-moving rack by the support which is remotely controlled by a stepping motor.
Description
Technical field
The present invention is a kind of controlled longwall top coal caving prose style free from parallelism visual Simulation experimental bench, realize longwall top coal caving bastard coal flow performance and mixed cash rule visual simulation and automation control, can simulate different mining conditions simultaneously, explore different drawing coal technologies etc. to combining the influence of letting slip the coal back production of journey top, determine to provide experiment basis for automation caving coal reasonable process parameter.Therefore,, carry out the research of big mining height fully mechanized coal face bastard coal Field Characteristics, optimize its technological parameter on this basis,, become the problem that presses for solution to realize the work plane safety and high efficiency at big mining height fully mechanized coal face geology and technical condition.
Background technology
The fully mechanized coal face field practice shows, analyzes and grasp the mobile and mixed cash rule of longwall top coal caving bastard coal, is the basis that reasonably optimizing is determined fully mechanized coal face drawing coal technology parameter, has important directive significance for the fully mechanized coal face safety and high efficiency.According to the coal petrography of the theory of similarity and the fully mechanized coal face prose style free from parallelism feature that falls that collapses, platform carries out prose style free from parallelism simulated experiment by experiment, the simulation of every operations such as the support in the experiment moves, coal discharge outlet is opened and close realizes control automatically, mobile and the mixed cash rule of bastard coal is visualized, has solved the key technical problem in the experiment of longwall top coal caving analog simulation.
Summary of the invention
The objective of the invention is problem, provide a kind of technology simple, easy to operate at the solution of present mining experiment needs, controlled good, accurate degree height, the effective longwall top coal caving prose style free from parallelism visualized experiment platform that can control automatically.
Technical scheme of the present invention such as following: controlled longwall top coal caving prose style free from parallelism visual Simulation experimental bench comprises experimental bench framework, viewable portion, remote control unit, top coal supporting grating and mobile system, support mobile system and angular adjustment system; What the experimental bench main body adopted is tower structure, it is characterized in that: the experimental bench frame facet adopts transparent plastic sheet, remote control unit is controlled the simulated experiment platform system, the experimental bench system control parameters adopts remote control unit to be provided with, simulate initial goaf at the experimental bench framework, place a spoil baffle plate at initial rear, goaf, make simulation directly be in normal caving coal situation; Top coal and top board by support to top coal supporting grating temporary lining, support adopts simple and easy sublevel caving hydrau lic support, support is provided with the gear that moves on the track that moves certainly, support gear is driven by stepper motor, be fixed on the experimental bench chassis base with the tooth bar of support gear engagement, top coal supporting grating is moved on the track that moves certainly by the remote control control bracket by described stepper motor, and remote control unit sets in advance mobile step pitch, after the model filling finishes; Coal discharge outlet is provided with puts the coal plate, put the coal plate by the rotating of remote control unit control drive motors to put the coal plate corresponding up and down open closing motion, realize putting coal automatically, after putting coal and finishing, on plastic plate, carry out describing of track.The step motor control support repeats to finish circulation from the track that moves with this.
Further, transparent plastic sheet is adopted in the experimental bench side, makes things convenient for describing of track; The parameter of the automatic control of system adopts remote control to be provided with, and realizes Long-distance Control by pressing button on operation interface, comprises that moving of top coal propping bar, simple rack reaches closing of coal discharge outlet etc.
Further, simple and easy sublevel caving hydrau lic support comprises back timber, gripper shoe, tail boom and brace summer, and back timber, gripper shoe and tail boom, brace summer keeping parallelism are installed in the centre position of brace summer with drive motors, and closing of coal plate put in control.
Further, gripper shoe and brace summer are fixed by front column, establish the aperture that equally spaced intensive bolt passes on the front column, regulate the mining height of support by changing bolt position, establish connecting rod between tail boom and the front column, adopting radial type to be connected between connecting rod and the tail boom, is to be fixed on the described aperture by latch between connecting rod and the front column.
Further, top coal supporting grating adopts the hollow steel pipe of some arrangements, the central authorities of hollow steel pipe are grid, the two ends head is equipped with solid cylinder and is connected with bearing, the bearing draw-in groove is with steel ring and adopts chain to connect, stay the gap of 1～2mm between the hollow steel pipe, bearing is installed in the stainless steel U groove, as the track of motion.
The solid cylinder that coal supporting grating two ends, top head is provided with is connected motor output end, realizes i.e. the moving of top coal propping bar of solid cylinder by the control motor, and error is less than 1mm.
Further, between back timber and the tail boom, gripper shoe is connected by hinge with brace summer, realize the adjustment of angle with this, adjustment process realizes with the relative position of column aperture and by the aperture that latch fixedly aligns by changing connecting rod, will keep tail boom parallel with brace summer in the adjustment process; Simultaneously, at tail boom and back timber angle fixedly the time, back timber and gripper shoe can be adjusted height synchronously, realize that with this bearing height can adjust with the actual experiment condition, and adjustment process is by changing between active column and the vertical columns relative position and being realized by the aperture that latch fixedly aligns.
In addition, requiring to put the coal plate has rational length to adapt to the variation of putting coal angle and supporting height.
Further, drive motors is controlled by remote control, is equipped with gear in the drive motors rotating shaft, plate tail end welding tooth bar, and both carry out the rigidity interlock, by the control motor steering, control closing of coal discharge outlet; Lay two tooth bars in the experimental bench bottom surface, described stepper motor is fixed on the base of support, and output installing gear with the mutual interlock of tooth bar, is realized moving certainly of support.
Further, in the goaf at support rear, place one can adjusting angle waste rock board, two ends are hinged on the experimental bench, the situation of the true caving coal under can the direct modeling normal operation.
Beneficial effect of the present invention: the present invention can realize longwall top coal caving bastard coal flow performance and mix the simulation of cash rule, control by automation, reduce experimenter's workload, reduce simultaneously because manually-operated is observed the mutual interference mutually that causes with experimental phenomena, guarantee to test and have enough precision, ensure to test and carry out in order, bastard coal flow performance and the mixed visual and automatization simulation of cash rule in the longwall top coal caving have really been realized, can simulate different mining conditions simultaneously, the present invention has realized longwall top coal caving bastard coal flow performance and has mixed cash rule visual simulation and automation control, can simulate simultaneously, determine to provide experiment basis for automation caving coal reasonable process parameter to different mining conditions.
Description of drawings
The present invention is further described below in conjunction with accompanying drawing.
Fig. 1 is the front view of experimental bench.
Fig. 2 is the left view of experimental bench.
Fig. 3 is a top coal supporting grating schematic diagram.
Marginal data: 1-spoil baffle plate, the simple and easy sublevel caving hydrau lic support of 2-, 3-coal discharge outlet control motor, 4-is put the coal plate, 5-base plate tooth bar, 6-top coal supporting grating, 8-steel pipe grid motor, 9-stepper motor, the small-sized drag conveyor of 11-.
10-top board track, 12-transparent plastic sheet, 13-model framework.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing:
A kind of longwall top coal caving prose style free from parallelism visual simulation method that can control has automatically been realized the automation of longwall top coal caving bastard coal flow performance and mixed cash rule visual simulation.The present invention mainly comprises experimental bench framework, viewable portion, remote control unit, top coal supporting grating and parts such as sliding system, simple rack and control system and angular adjustment system.Remote control unit sets in advance mobile step pitch, after the model filling finishes; Coal discharge outlet is provided with puts the coal plate, put the coal plate by the rotating of remote control unit control drive motors to put the coal plate corresponding up and down open closing motion, realize putting coal automatically, after putting coal and finishing, on plastic plate, carry out describing of track.The present invention mainly comprises experimental bench framework, viewable portion, remote control unit, top coal supporting grating and parts such as sliding system, simple rack and control system and angular adjustment system.What the experimental bench main body adopted is tower structure, and transparent plastic sheet is adopted in the side, and system's parameter of control automatically adopts remote control to be provided with; Top coal and top board are by top coal supporting grating temporary lining, and top coal supporting grating is moved by Electric Machine Control, by the mobile step pitch that sets in advance, realize that the steel pipe grid are from moving; Place a spoil baffle plate, the normal caving coal of direct modeling situation at initial rear, goaf; Plate is finished plate by remote control control motor positive and inverse and is opened closing motion, realizes putting coal automatically, and support adopts simple and easy sublevel caving hydrau lic support, and stepper motor is equipped with gear, and tooth bar is fixed on the chassis base, the track that oneself moves as support.Implementation step is specific as follows:
(1) according to requirement of experiment, the caving shield of simple and easy sublevel caving hydrau lic support 2 is adjusted into the top board direction with plate becomes fixed angle, place the spoil baffle plate 1 of a simulation at the support rear, angle changes by changing parts to be finished, can avoid the initial stage to put the coal situation, direct modeling caving coal normal operating conditions.
(2) the transparent organic plastic plate 12 that will strengthen is installed on the framework of experimental bench, and reinforces, and then the material according to simulated experiment carries out the model laying.Model lay finish after, just changeing by remote control control motor 3 and to open the skylight, what experimentize puts coal first.
(3) when spoil appears in coal discharge outlet, utilize 3 counter-rotatings of remote control control motor to finish closing motion, after the bastard coal mixture of emitting adopts the mode that flows out automatically to flow to base of frame, by manually adding up and handling.After putting coal and finishing to close coal discharge outlet, move frame.
(4) the mobile of bracket base is to provide power by stepper motor 9, advances along the tooth bar 5 of base plate, and two tooth bars of every support setting are controlled by telecommand, and its displacement is drawing interval.After moving frame and finishing, carry out moving of top board steel pipe grid 6.
(5) model adopted the top coal and the top board of movable steel pipe grid 6 temporary support fragmentations, set mobile step pitch by Digiplex, control the motion of top board motor 8, finish move after, carrying out the record and the track of bastard coal flow performance and mixed cash rule experimental phenomena describes, carry out the coal of putting of next round then, circulate with this and carry out.
Though the present invention discloses as above with preferred embodiment, so it is not in order to limit the present invention.The persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (9)
1. a controlled longwall top coal caving prose style free from parallelism visual Simulation experimental bench comprises experimental bench framework, viewable portion, remote control unit, top coal supporting grating and mobile system, support mobile system and angular adjustment system; What the experimental bench main body adopted is tower structure, it is characterized in that: the experimental bench frame facet adopts transparent plastic sheet, remote control unit is controlled the simulated experiment platform system, the experimental bench system control parameters adopts remote control unit to be provided with, intend initial goaf in the experiment of table frame mould, place a spoil baffle plate at initial rear, goaf, make simulation directly be in normal caving coal situation; Top coal and top board by support to top coal supporting grating temporary lining, support adopts simple and easy sublevel caving hydrau lic support, support is provided with the gear that moves on the track that moves certainly, support gear is driven by stepper motor, be fixed on the experimental bench chassis base with the tooth bar of support gear engagement, top coal supporting grating is moved on the track that moves certainly by the remote control control bracket by described stepper motor, and remote control unit sets in advance mobile step pitch, after the model filling finishes; Coal discharge outlet is provided with puts the coal plate, put the coal plate by the rotating of remote control unit control drive motors to put the coal plate corresponding up and down open closing motion, realize putting coal automatically, after putting coal and finishing, on plastic plate, carry out describing of track.
2. controlled longwall top coal caving prose style free from parallelism visual Simulation experimental bench according to claim 1 is characterized in that: transparent plastic sheet is adopted in the experimental bench side, makes things convenient for describing of track; The parameter of the automatic control of system adopts remote control to be provided with, and realizes Long-distance Control by pressing button on operation interface, comprises that moving of top coal propping bar, simple rack reaches closing of coal discharge outlet etc.
3. controlled longwall top coal caving prose style free from parallelism visual Simulation experimental bench according to claim 1, it is characterized in that: simple and easy top coal is put support and is comprised back timber, gripper shoe, tail boom and brace summer, back timber, gripper shoe and tail boom, brace summer keeping parallelism, drive motors is installed in the centre position of brace summer, and closing of coal plate put in control.
4. controlled longwall top coal caving prose style free from parallelism visual Simulation experimental bench according to claim 3, it is characterized in that: gripper shoe and brace summer are fixed by front column, establish the aperture that equally spaced intensive bolt passes on the front column, regulate the mining height of support by changing bolt position, establish connecting rod between tail boom and the front column, adopting radial type to be connected between connecting rod and the tail boom, is to be fixed on the described aperture by latch between connecting rod and the front column.
5. controlled longwall top coal caving prose style free from parallelism visual Simulation experimental bench according to claim 1, it is characterized in that: top coal supporting grating adopts the hollow steel pipe of some arrangements, the central authorities of hollow steel pipe are grid, the two ends head is equipped with solid cylinder and is connected with bearing, the bearing draw-in groove is with steel ring and adopts chain to connect, stay the gap of 1～2mm between the hollow steel pipe, bearing is installed in the stainless steel U groove, as the track of motion.
The solid cylinder that coal supporting grating two ends, top head is provided with is connected motor output end, realizes i.e. the moving of top coal propping bar of solid cylinder by the control motor, and error is less than 1mm.
6. controlled longwall top coal caving prose style free from parallelism visual Simulation experimental bench according to claim 1, it is characterized in that: between back timber and the tail boom, gripper shoe is connected by hinge with brace summer, realize the adjustment of angle with this, adjustment process realizes with the relative position of column aperture and by the aperture that latch fixedly aligns by changing connecting rod, will keep tail boom parallel with brace summer in the adjustment process; Simultaneously, at tail boom and back timber angle fixedly the time, back timber and gripper shoe can be adjusted height synchronously, realize that with this bearing height can adjust with the actual experiment condition, and adjustment process is by changing between active column and the vertical columns relative position and being realized by the aperture that latch fixedly aligns.
7. controlled longwall top coal caving prose style free from parallelism visual Simulation experimental bench according to claim 1, it is characterized in that: drive motors is controlled by remote control, be equipped with gear in the drive motors rotating shaft, plate tail end welding tooth bar, both carry out the rigidity interlock, by the control motor steering, control closing of coal discharge outlet; Lay two tooth bars in the experimental bench bottom surface, described stepper motor is fixed on the base of support, and output installing gear with the mutual interlock of tooth bar, is realized moving certainly of support.
8. in check longwall top coal caving prose style free from parallelism visual Simulation experimental bench according to claim 1, it is characterized in that: in the goaf at support rear, place one can adjusting angle waste rock board, two ends are hinged on the experimental bench, the situation of the true caving coal under can the direct modeling normal operation.
9. controlled longwall top coal caving prose style free from parallelism visual Simulation experimental bench according to claim 6, it is characterized in that: putting the coal plate has rational length to adapt to the variation of putting coal angle and supporting height.
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| CN201310074516.6A CN103216235B (en) | 2013-03-08 | 2013-03-08 | A kind of longwall top coal caving prose style free from parallelism visual Simulation experimental bench that can automatically control |
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| CN201310074516.6A CN103216235B (en) | 2013-03-08 | 2013-03-08 | A kind of longwall top coal caving prose style free from parallelism visual Simulation experimental bench that can automatically control |
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Cited By (12)
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| CN104034545A (en) * | 2014-06-10 | 2014-09-10 | 鞍钢集团矿业公司 | Automatic ore drawing experimental device and method capable of adjusting end wall inclination of working face |
| CN104131814A (en) * | 2014-07-03 | 2014-11-05 | 冀中能源集团有限责任公司 | Coal cutter coal rock interface simulation experiment apparatus |
| CN105259332A (en) * | 2015-11-10 | 2016-01-20 | 西安科技大学 | Similar material simulation test device and method |
| CN105571886A (en) * | 2016-01-12 | 2016-05-11 | 河南理工大学 | Hydraulic support, surrounding rock coupling and automatic monitoring control analog simulation experiment stand and method |
| CN106297530A (en) * | 2016-11-03 | 2017-01-04 | 中国矿业大学(北京) | A kind of experiment feed screw nut controls formula synthetical support |
| CN108223013A (en) * | 2018-02-11 | 2018-06-29 | 山东科技大学 | A kind of coal rock detection pilot system based on vibration |
| CN109297737A (en) * | 2018-10-19 | 2019-02-01 | 安徽理工大学 | Coal mine longwall top coal caving imitative experimental appliance |
| WO2019174534A1 (en) * | 2018-03-14 | 2019-09-19 | 山东科技大学 | Coal gangue interface recognition test system for top coal caving |
| CN110596342A (en) * | 2019-07-09 | 2019-12-20 | 太原理工大学 | Similar simulation test device and method for modular caving coal mining |
| CN111038922A (en) * | 2019-12-11 | 2020-04-21 | 辽宁工程技术大学 | Slippage experiment table and experiment method for scraper conveyor with large-dip-angle fully-mechanized mining face |
| CN112433039A (en) * | 2020-06-30 | 2021-03-02 | 中煤华晋集团有限公司王家岭矿 | Fully-mechanized caving mining top coal migration rule similarity simulation test platform and method |
| CN112557015A (en) * | 2020-12-09 | 2021-03-26 | 中核建中核燃料元件有限公司 | Grid buckling and loosening test device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104034545B (en) * | 2014-06-10 | 2016-12-07 | 鞍钢集团矿业公司 | The automatic ore drawing experimental provision at scalable work surface end wall inclination angle and experimental technique |
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| CN105571886A (en) * | 2016-01-12 | 2016-05-11 | 河南理工大学 | Hydraulic support, surrounding rock coupling and automatic monitoring control analog simulation experiment stand and method |
| CN105571886B (en) * | 2016-01-12 | 2018-02-13 | 河南理工大学 | A kind of hydraulic support is coupled with country rock and automatic monitoring analog simulation experiment shelf and method |
| CN106297530A (en) * | 2016-11-03 | 2017-01-04 | 中国矿业大学(北京) | A kind of experiment feed screw nut controls formula synthetical support |
| CN108223013A (en) * | 2018-02-11 | 2018-06-29 | 山东科技大学 | A kind of coal rock detection pilot system based on vibration |
| AU2019233100B2 (en) * | 2018-03-14 | 2021-11-18 | Shandong University Of Science And Technology | Coal gangue interface recognition test system for top coal caving |
| WO2019174534A1 (en) * | 2018-03-14 | 2019-09-19 | 山东科技大学 | Coal gangue interface recognition test system for top coal caving |
| CN109297737A (en) * | 2018-10-19 | 2019-02-01 | 安徽理工大学 | Coal mine longwall top coal caving imitative experimental appliance |
| CN109297737B (en) * | 2018-10-19 | 2023-10-17 | 安徽理工大学 | Simulation experiment device for fully-mechanized caving of coal mine |
| CN110596342A (en) * | 2019-07-09 | 2019-12-20 | 太原理工大学 | Similar simulation test device and method for modular caving coal mining |
| CN111038922A (en) * | 2019-12-11 | 2020-04-21 | 辽宁工程技术大学 | Slippage experiment table and experiment method for scraper conveyor with large-dip-angle fully-mechanized mining face |
| CN111038922B (en) * | 2019-12-11 | 2021-06-04 | 辽宁工程技术大学 | Slippage experiment table and experiment method for scraper conveyor with large-dip-angle fully-mechanized mining face |
| CN112433039A (en) * | 2020-06-30 | 2021-03-02 | 中煤华晋集团有限公司王家岭矿 | Fully-mechanized caving mining top coal migration rule similarity simulation test platform and method |
| CN112557015A (en) * | 2020-12-09 | 2021-03-26 | 中核建中核燃料元件有限公司 | Grid buckling and loosening test device and method |
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