CN103541754A - Coal mining face hydraulic support straightening system and straightening method - Google Patents
Coal mining face hydraulic support straightening system and straightening method Download PDFInfo
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- CN103541754A CN103541754A CN201310492654.6A CN201310492654A CN103541754A CN 103541754 A CN103541754 A CN 103541754A CN 201310492654 A CN201310492654 A CN 201310492654A CN 103541754 A CN103541754 A CN 103541754A
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- 239000003245 coal Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005065 mining Methods 0.000 title abstract description 6
- 238000009432 framing Methods 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 11
- 230000004044 response Effects 0.000 claims description 9
- 230000008569 process Effects 0.000 abstract description 4
- 238000003491 array Methods 0.000 abstract 2
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- 238000005516 engineering process Methods 0.000 description 1
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Abstract
A coal mining face hydraulic support straightening system comprises a support controller and a laser transceiver. The laser transceiver has a structure of multiple groups of arrays. The support controller is connected with the laser transceiver electrically. The laser transceiver comprises an emitting unit and a receiving unit which have the structure of multiple groups of arrays. According to the coal mining face hydraulic support straightening system, adjacent supports or supports at intervals can be moved and positioned conveniently according to moving laser positioning signals, so that situations that hydraulic supports are moved or added or multiple hydraulic support are moved simultaneously in the automatic machinery tracking process can be adapted; the hydraulic support which is moved can serve as a benchmark for hydraulic support movement to control, and straight degree control of the mining face hydraulic support is implemented.
Description
Technical field
The present invention relates to a kind of working surface hydraulic support straightening system and straightening method, relate in particular to a kind of laser transceiver of installing and carry out the system and method that hydraulic support group straightness accuracy is controlled on hydraulic support column.
Background technology
Coal-face is arranged in order to form at work plane by many hydraulic supports and realizes the support of face roof and the migration to scratch board conveyor.In when work, in order to realize the normal operation of work plane, between a plurality of working surface hydraulic supports, need the straightness accuracy that keeps certain, a plurality of working surface hydraulic supports are substantially on same straight line.Meanwhile, in coal mining process, scratch board conveyor is the track of coal-winning machine operation, thus at the straightness accuracy of working surface hydraulic support, be the prerequisite that guarantees scratch board conveyor straightness accuracy, finally for coal-winning machine thereon reaches good coal cutting effect.
At present, hydraulic support manual system work plane is all by manually carrying out working surface hydraulic support straightening control.At the work plane that disposes electrohydraulic control system, due to the accumulation of control system sensor error, hydraulic system is fed back when stagnant, causes that work plane operation is most or take the hydraulic support straightening that artificial electric control operation is Main Means controls.And in prior art, the control of straightness accuracy relies on the passing stroke of stroke sensor to judge substantially, there is no a set of verification feedback mechanism, once stroke sensor breaks down, make very much the straightness accuracy generation relatively large deviation of each hydraulic support and scratch board conveyor, serious also can bring down-hole accident, brings serious impact to the normal mining work of work plane.
For this reason, a kind of safe and reliable working surface hydraulic support straightness accuracy control system of development is badly in need of in this area, be used for adjusting comparatively accurately and easily the straightness accuracy of working surface hydraulic support, thereby realize the control of the straightness accuracy between each working surface hydraulic support, finally realize the straightness accuracy of scratch board conveyor and control.
Summary of the invention
For addressing the above problem, the present invention proposes a kind of coal mine work area hydraulic support straightening method, comprise hydraulic support, bracket controller and laser transceiver, described bracket controller is arranged on hydraulic support, described laser transceiver is arranged on hydraulic support column, and the transmitting-receiving that can carry out laser signal by described controller is controlled.
A hydraulic support straightening system, is characterized in that: comprise bracket controller and laser transceiver, it is characterized in that: described laser transceiver has many group patterns formula structure.
Preferred described bracket controller and the electrical connection of described laser transceiver.
Preferred described laser transceiver comprises transmitter unit and receiving element.
Preferred described transmitter unit and receiving element have respectively many group patterns formula structure.
The method of using above-mentioned coal mine work area hydraulic support straightening system to carry out straightening, comprises
1. the bracket controller of preparing to move the hydraulic support of frame sends and moves frame positioning request signal;
2. nearest the completing of hydraulic support that the above-mentioned preparation of distance moves frame moves the above-mentioned frame positioning request signal of moving of hydraulic support response of frame action, and its bracket controller is controlled its laser transceiver transmitting and moved frame framing signal;
3. the hydraulic support of preparing to move frame starts to move frame, and detect at any time and move frame framing signal by its bracket controller, when this laser transceiver receives while moving frame framing signal, what stop this moves frame action, and is sent and moved frame location ring off signal by its bracket controller;
4. transmitting moves that the hydraulic support response of frame framing signal is above-mentioned moves frame location ring off signal, and stops transmitting and move frame framing signal.
At the first of work plane and last, can carry out first hydraulic moving stand and control by install a set of laser beam emitting device at work plane head, tail, this method is not suitable for the feed stepping of cutting sth. askew in Triangle Coal region and controls.
The invention has the advantages that: according to moving frame laser positioning signal, can realize easily adjacent stent or shelf and move frame location so that adapt to automation with hydraulic moving stand after frame in machine process or many hydraulic supports the situation with time shift frame; Using completing the hydraulic support that moves frame action, as the mark post of hydraulic moving stand, control, realized the straightness accuracy of working surface hydraulic support and controlled; There is array laser signal transceiver window and be arranged on hydraulic vertical prop outside, in hydraulic support course of action, do not have mobile object or pedestrian is blocked signal, improved the reliability of navigation system, system has simple in structure, precision is high, reliability is high, installation, maintenance, the advantage such as easy to use.
Accompanying drawing explanation
Accompanying drawing 1 is the structure chart of the working surface hydraulic support with laser transceiver used in the present invention;
Accompanying drawing 2 is working surface hydraulic support group annexation operating principle schematic diagram in straightening system of the present invention.
Reference numeral is as follows: 1-scratch board conveyor; 2-hydraulic support; 3-bracket controller; 4-laser transceiver.
The specific embodiment
Referring to accompanying drawing 1-2, it has been described according to a preferred embodiment of coal mine work area hydraulic support straightening system of the present invention, and in the present embodiment, along with the iterative method of work plane, the scratch board conveyor that each hydraulic support promotes the place ahead moves forward in turn.Bracket controller and laser transceiver are installed on hydraulic support, what bracket controller carried out this moves the basic operations such as frame action, and can carry out communication with other bracket controller, information transmits and receive data, bracket controller is connected by connector with laser transceiver, bracket controller can be controlled laser transceiver and receive and transmitted signal, laser transceiver is arranged on hydraulic support column, for avoiding laser transceiver to come off and guaranteeing the steady and audible of laser signal, preferably laser transceiver is fixed on the front column of hydraulic support by connecting steel ring, its signal transmitting and receiving window stretches out by steel pole, and guarantee below the top board of its signal transmitting and receiving window in hydraulic support.Laser transceiver comprises transmitter unit and receiving element, transmitter unit Emission Lasers signal, receiving element receives laser signal, bracket controller connects generating laser by linkage unit, consider the control task of bracket controller many and with respect to the computing capability of ground control unit a little less than, the environment of simultaneously considering down-hole is severe, preferably linkage unit comprises the first linkage unit and the second linkage unit, bracket controller connects transmitter unit by the first linkage unit, by the second linkage unit, connect receiving element, electric independence between the first linkage unit and the second linkage unit, guarantee receiving element and transmitter unit respectively with the independent communication of bracket controller, avoid signal to disturb.Transmitter unit and receiving element are many group patterns formula, a plurality of little generating lasers or laser pickoff, consist of the matrix of a Laser emission or reception, can launch or receive the laser signal of a group pattern formula.
Pass through this setup, complete on the hydraulic support two ends support that moves frame, by bracket controller, open generating laser transmitting and move frame laser positioning signal, carry out the bracket controller that moves frame and opening laser pickoff, detect and move frame laser positioning signal at any time, when bracket controller detects while moving frame laser positioning signal, stop moving frame action, and will not close generating laser completing the hydraulic support that moves frame edge, complete the generating laser of opening that moves frame, the hydraulic support that does not move frame for adjacent frame and shelf provides and moves frame laser signal.
For realizing the hydraulic support of controlling with machine automation, may be because coal shearer speed is very fast, hydraulic support there will be many phenomenons of moving frame, need to carry out the sequential control of laser signal according to moving frame stroke like this, first the hydraulic support that has approached unit advance finishes to move frame process according to the frame locating laser signal that moves receiving, and open immediately and move frame laser positioning transmitter, for other complete the hydraulic support that moves frame, do not provide and move frame locating laser signal.
Working surface hydraulic support completes same above-mentioned steps successively, each hydraulic support moves frame in a manner described successively, until moving frame, this work plane all hydraulic support completes, now the frame distance of moving of all support of work plane is all consistent with the frame distance of moving of first hydraulic support, and each hydraulic support can keep a reasonable straightness accuracy.
The concrete grammar of straightening is as follows:
The bracket controller that first-selected preparation moves the hydraulic support (hereinafter to be referred as the first hydraulic support) of frame sends and moves frame positioning request signal, and this signal sends to work plane in the mode of broadcast, makes each hydraulic support all can receive this signal;
The hydraulic support that moves frame action in work plane to complete responds the above-mentioned frame positioning request signal of moving, bracket controller by separately sends response signal to the bracket controller of the first hydraulic support, in response signal with the characteristic information that sends the bracket controller of this signal;
The first hydraulic support receives all response signals, according to the characteristic information in response signal, in conjunction with the pre-deposit data in self bracket controller, judge and draw from own nearest completing and move the hydraulic support (hereinafter to be referred as the second hydraulic support) of frame action, and send handshake to the second hydraulic support;
The second hydraulic support receives after handshake, and its bracket controller is controlled its laser transceiver transmitting and moved frame framing signal;
The first hydraulic support starts to move frame after sending handshake, and detect at any time and move frame framing signal by its bracket controller, because the first hydraulic support is initially located in the frame state that do not move, it has completed after the second hydraulic support position of moving frame action leans on relatively, therefore what it cannot receive the second hydraulic support moves frame framing signal, reach along with the first hydraulic support, when its laser transceiver receives while moving frame framing signal, illustrate that the position of the hydraulic support of execution is concordant with the second hydraulic support in its position, the frame that moves that now stops this moving, and send and move frame location ring off signal to the second hydraulic support by its bracket controller,
The second hydraulic support response is above-mentioned moves frame location ring off signal, and stops transmitting and move frame framing signal;
Repeat above-mentioned steps, until whole work plane move frame release.
The above; it is only the preferably specific embodiment of patent of the present invention; but the protection domain of patent of the present invention is not limited to this; anyly be familiar with in technical scope that those skilled in the art disclose in patent of the present invention; the variation that can expect easily or replacement, within all should being encompassed in the protection domain of patent of the present invention.
Claims (5)
1. a coal mine work area hydraulic support straightening system, comprises bracket controller and laser transceiver, it is characterized in that: described laser transceiver has many group patterns formula structure.
2. coal mine work area hydraulic support straightening system as claimed in claim 1, is characterized in that: described bracket controller and the electrical connection of described laser transceiver.
3. coal mine work area hydraulic support straightening system as claimed in claim 1 or 2, is characterized in that: described laser transceiver comprises transmitter unit and receiving element.Described laser transceiver is two-sided bi-directional transceiver, two sides at laser transceiver transceiver is all furnished with transmitter unit and receiving element, the receiving element of the laser transceiver that the corresponding adjacent stent of transmitter unit is installed, the transmitter unit of the laser transceiver that the corresponding adjacent stent of receiving element is installed, half receives half and sends, and can carry out respectively the control of transmitter unit and receiving element by described bracket controller.
4. coal mine work area hydraulic support straightening system as claimed in claim 3, is characterized in that: described transmitter unit and receiving element have respectively many group patterns formula structure.
5. right to use requires the method that the arbitrary described coal mine work area hydraulic support straightening system of 1-4 is carried out straightening, it is characterized in that: comprise
1. the bracket controller of preparing to move the hydraulic support of frame sends and moves frame positioning request signal;
2. nearest the completing of hydraulic support that the above-mentioned preparation of distance moves frame moves the above-mentioned frame positioning request signal of moving of hydraulic support response of frame action, and its bracket controller is controlled its laser transceiver transmitting and moved frame framing signal;
3. the hydraulic support of preparing to move frame starts to move frame, and detect at any time and move frame framing signal by its bracket controller, when this laser transceiver receives while moving frame framing signal, what stop this moves frame action, and is sent and moved frame location ring off signal by its bracket controller;
4. transmitting moves that the hydraulic support response of frame framing signal is above-mentioned moves frame location ring off signal, and stops transmitting and move frame framing signal.
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| CN201310492654.6A CN103541754B (en) | 2013-10-21 | 2013-10-21 | Coal mining face hydraulic support straightening system and straightening method |
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| CN201310492654.6A CN103541754B (en) | 2013-10-21 | 2013-10-21 | Coal mining face hydraulic support straightening system and straightening method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100277A (en) * | 2014-08-01 | 2014-10-15 | 北京天地玛珂电液控制系统有限公司 | Automatic control system for pseudo-inclined fully mechanized mining face |
| CN108518237A (en) * | 2018-03-13 | 2018-09-11 | 中国矿业大学 | A method of according to the effective pass trip straightening drag conveyor of hydraulic support |
| CN108663032A (en) * | 2018-04-20 | 2018-10-16 | 太原理工大学 | Working surface hydraulic support posture and linearity testing apparatus based on robot and method |
| CN110426016A (en) * | 2019-07-30 | 2019-11-08 | 精英数智科技股份有限公司 | A kind of alignment householder method and system for moving frame for fully-mechanized mining working surface hydraulic support |
| CN111502724A (en) * | 2020-06-01 | 2020-08-07 | 国家能源集团宁夏煤业有限责任公司枣泉煤矿 | One-way coal cutting automatic frame moving process applied to intelligent working face |
| CN114352278A (en) * | 2022-01-07 | 2022-04-15 | 郑州煤机液压电控有限公司 | Evaluation method of fully mechanized coal mining face straightening system |
| CN114413755A (en) * | 2022-01-14 | 2022-04-29 | 尤洛卡（山东）矿业科技有限公司 | Alignment detection system for fully-mechanized mining support for coal mine |
| CN115371597A (en) * | 2022-09-13 | 2022-11-22 | 山东科技大学 | Working face hydraulic support base position precision checking method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104100277A (en) * | 2014-08-01 | 2014-10-15 | 北京天地玛珂电液控制系统有限公司 | Automatic control system for pseudo-inclined fully mechanized mining face |
| CN108518237A (en) * | 2018-03-13 | 2018-09-11 | 中国矿业大学 | A method of according to the effective pass trip straightening drag conveyor of hydraulic support |
| CN108518237B (en) * | 2018-03-13 | 2019-05-21 | 中国矿业大学 | A method of effectively elapsing stroke straightening drag conveyor according to hydraulic support |
| CN108663032A (en) * | 2018-04-20 | 2018-10-16 | 太原理工大学 | Working surface hydraulic support posture and linearity testing apparatus based on robot and method |
| CN108663032B (en) * | 2018-04-20 | 2020-07-03 | 太原理工大学 | Working face hydraulic support posture and straightness detection device and method based on robot |
| CN110426016A (en) * | 2019-07-30 | 2019-11-08 | 精英数智科技股份有限公司 | A kind of alignment householder method and system for moving frame for fully-mechanized mining working surface hydraulic support |
| CN111502724A (en) * | 2020-06-01 | 2020-08-07 | 国家能源集团宁夏煤业有限责任公司枣泉煤矿 | One-way coal cutting automatic frame moving process applied to intelligent working face |
| CN111502724B (en) * | 2020-06-01 | 2021-07-06 | 国家能源集团宁夏煤业有限责任公司枣泉煤矿 | One-way coal cutting automatic frame moving process applied to intelligent working face |
| CN114352278A (en) * | 2022-01-07 | 2022-04-15 | 郑州煤机液压电控有限公司 | Evaluation method of fully mechanized coal mining face straightening system |
| CN114413755A (en) * | 2022-01-14 | 2022-04-29 | 尤洛卡（山东）矿业科技有限公司 | Alignment detection system for fully-mechanized mining support for coal mine |
| CN115371597A (en) * | 2022-09-13 | 2022-11-22 | 山东科技大学 | Working face hydraulic support base position precision checking method |
| CN115371597B (en) * | 2022-09-13 | 2023-08-04 | 山东科技大学 | Method for checking position accuracy of hydraulic support base of working face |
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Address after: 100013, Beijing, Chaoyang District, Hepingli Youth ditch East Road, building 5, one floor Patentee after: CCTEG Beijing Tianma Intelligent Control Technology Co.,Ltd. Address before: 100013, Beijing, Chaoyang District, Hepingli Youth ditch East Road, building 5, one floor Patentee before: BEIJING TIANDI-MARCO ELECTRO-HYDRAULIC CONTROL SYSTEM Co.,Ltd. |