WO2004059129A1 - Steuerung der ausbaueinheiten in dem streb eines bergwerkes - Google Patents
Steuerung der ausbaueinheiten in dem streb eines bergwerkes Download PDFInfo
- Publication number
- WO2004059129A1 WO2004059129A1 PCT/DE2003/004083 DE0304083W WO2004059129A1 WO 2004059129 A1 WO2004059129 A1 WO 2004059129A1 DE 0304083 W DE0304083 W DE 0304083W WO 2004059129 A1 WO2004059129 A1 WO 2004059129A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- control
- shield
- expansion
- controls
- signals
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/12—Control, e.g. using remote control
- E21D23/14—Effecting automatic sequential movement of supports, e.g. one behind the other
- E21D23/146—Transmission of signals and commands by cable
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/12—Control, e.g. using remote control
- E21D23/14—Effecting automatic sequential movement of supports, e.g. one behind the other
- E21D23/148—Wireless transmission of signals or commands
Definitions
- the invention relates to an expansion control for controlling the movements of the expansion units in the longwall of a mine.
- This control is e.g. B. known from DE 10207698.7 A1 (TBT 2104) and from DE 19982113.5-24 A1 (TBT 9805).
- shields can be controlled from a central control or by individual control units, each of which is assigned to a shield (shield controls or by radio control unit. Basically, those entered by the control unit run Radio commands to one of the shield controls, which is equipped with a receiver. From this shield control, the neighboring shields or several neighboring shields are then controlled. Basically, the control signals are supplied to all shield controls via a line common to all shield controls. However, the shield controls are programmed so that only the shield control is addressed and the switching commands are carried out, to which the code word sent with the control command is assigned. All other shield controls route the control signal with the code word r.One entry of a control command is assigned to the common line (bus line).
- the object of the invention is an embodiment of the expansion control in which signal traffic is simultaneously possible in both directions between the operating device and the shield controls and in particular other signals can also be sent with a control signal.
- This configuration results in the advantage that the entire dismantling control, including control of the shields and the dismantling machines, is carried out from an operating device, preferably a handheld operating device a success check can be carried out at the same time by checking the returned status data and measurement data.
- all shield control devices can be called up one after the other for condition monitoring or for trial operation, and the operator can follow the dismantling of the coal front and the control movements of the removal devices and track the correctness of the removal.
- the present invention makes the presence of the operator on site and, in particular, in the danger area of the moving shoes and dismantling devices superfluous.
- the distance between the operating device and the sign control, which has to be bridged by radio. is always only brief and clear, while the data transfer to more distant shield controls takes place via cable and is therefore insensitive to interference.
- the multi-channel capability according to this invention means that the control unit addressed is contested with each control signal at the same time, so that interference in radio communication or cable transmission be noticed immediately. This takes account of the safety requirements of the mining industry.
- the data density that can be transmitted via cable is adapted to the data density of radio communication
- the invention makes it possible, independently of the input of control signals, for measurement or other status signals to the operator or to transfer the central control. Likewise, an acknowledgment signal can also be issued for each control signal at the same time and without a time delay, by means of which the input and / or the execution of the control command is confirmed.
- Figure 1 The section through a strut with an expansion
- Figure 2 The schematic plan view of a Schräm machine and a group of extensions.
- Figure 3 The schematic arrangement of the central control and the shield control operating device.
- FIG. 1 one of the expansion units 1-18 is shown.
- a plurality of expansion units 1 to 18 is shown in FIG.
- the expansion units are arranged along a seam 20.
- the seam 20 is mined in the mining direction 22 with a cutting device 23, 24 of a mining machine 21.
- the extraction machine is in the form of a cutting machine 21.
- the cutting machine 21 can be moved in the cutting direction 19 by means of a cutting rope, which is not shown. It has two cutting rollers 23, 24, which are set at different heights and mill the coal wall.
- the broken coal is loaded onto a conveyor by the cutting machine, also known as a “loader”.
- the conveyor consists of a trough 25 in which a tank conveyor is moved along the coal front.
- the cutting machine 21 can be moved along the coal front.
- the trough 25 is subdivided into individual units which are connected to one another, but can move relative to one another in the direction of degradation 22.
- Each of the Units is connected by a cylinder-piston unit (SchreStkolben) 29 as a force generator with one of the expansion units 1 to 18.
- Each of the expansion units serves the purpose of supporting the longwall.
- another Zyl ⁇ nder-Koiben-E he ⁇ t 30 is used, which braces a base plate against a roof plate.
- the roof panel has a so-called coal bumper 48 at its front end facing the FSöz. This is a flap that can be folded in front of the dismantled coal wall. The coal bumper must be folded up in front of the approaching cutting machine 21.
- each of the power transmitters is a hydraulic cylinder / piston unit.
- Each of the extensions 1-18 is for this purpose assigned a shield control 34.
- One of the shield control units 34 is assigned to one of the extensions 1-18 and is connected to the pilot valves 45 and main valves 44 of all power transmitters of the extensions 1, 2, 3, ... (to 18) via a valve control 40 (microprocessor).
- Each of the shield controls can be used for data entry or data query.
- a face control 33 or also the entirety of the shield controls, a central expansion control (main control center 50 and / or auxiliary control center 51) for data input, which is connected to the shield controls, can be assigned to a group of several shield controls.
- a central expansion control main control center 50 and / or auxiliary control center 51 for data input, which is connected to the shield controls, can be assigned to a group of several shield controls.
- Such an embodiment is shown in Figure 2.
- the central expansion control consists of the main control center 5 ⁇ and the auxiliary control center 51.
- the cable 58 (bus line) connects all shield controls 34 to one another.
- the entered or issued removal commands, status data and other data are passed on via each shield control.
- a removal command a certain expansion function is z. B. triggered in the sense of robbery, striding, setting. This removal command is received and passed on by all shield controls 34 via bus line 58.
- the expansion commands / control commands can be done manually at the main control center 50 or auxiliary control center 51, the face control 33, to which a group of shield controls is assigned, or via an operating device 3? to be triggered.
- the entered expansion commands are forwarded from the main control center 50 or the auxiliary control center 51 or the face control 33 or the operating device 37 to the nearest shield control.
- the removal commands then arrive from this shield control via the bus line 58 to all other shield controls 34.
- only one of the shield controls 1-18 or a group of shield controls is activated by a predetermined coding in order to carry out the respective expansion functions.
- the activated shield control then converts the expansion command received into Valve control commands to the control valves or main valves assigned to the affected extensions.
- the mentioned shield control is at the same time prompted to enter the status data of the addressed functional elements such as e.g. B. Output cylinder-piston units and other measurement data.
- This data is then transmitted back via the bus line 58 and transmitted back from the respectively nearest sign control to at least the command-triggering device, i.e. main control center 50 or auxiliary control center 51 or face control 33 or control device 37. This enables the operator who entered a control command to immediately check whether the intended function has been triggered
- a control device 37 which is designed as a hand-held device and is carried by the operator, is used for central manual operation of the command input. To enter the command, the operator can stand outside the strut in a distance or at least away from the current dismantling location.
- the handheld device is connected by radio to the spark arrays 38, which are provided in each of the shield controls.
- the shield control which is initially located on the sedan device, will receive the strongest radio signals.
- this shield control now passes on the signal received via bus line 58, so that the shield control addressed by the code word can react accordingly.
- an acknowledgment signal from the addressed shield control and, preferably, also the status and the is also via one of the channels of the radio connection Signal representing the change in state is transmitted via bus line 58 to the individual radio transceivers, so that the strongest radio signal that is likely to emanate from the next shield control is transmitted to the operating device at the same time. The operator therefore has the possibility of an immediate success control.
- the operating device can simultaneously record the entire data traffic of the strut, so that contradicting control commands are avoided.
- the rectangular handheld device has control buttons on one side (control side). These keys can also be used to enter the code of the expansion control to be operated (one of the shield controls 341, 34.2 ...) and to trigger a removal command to trigger a desired function or a desired functional sequence (e.g. robbing or walking).
- the antenna 39 of the handheld device is used for radio transmission.
- the hand-held device When the operator turns the hand-held device 180 ° around its longitudinal axis, he sees the controiiselles of the hand-held device. This is equipped with two diodes, a display and other buttons. The operator can light up the two diodes with his head lamp. Only if he covers one of the diodes, for example with a finger, will the control function of the handheld device be triggered. To check, the operator enters the code of the removal to be checked. As a result, the hand-held device connects to the nearest sign control by radio, as has already been described in the transmission of control signals. The connection to the shield control addressed by the code word is thereby established via radio and via cables 58, 59. This invention enables a direct dialogue.
- the operator can query certain functions or operating states using one of the buttons.
- a program is stored in the shield control with which queries or sequences of queries can be made Functions, operating states and functional sequences of the respective plate (removal) can be carried out.
- the data obtained are then transmitted essentially simultaneously via cables 58, 59 to the neighboring sign controls and from one of the sign controls via radio to the handheld device and shown on the display. In this way, the operator can convince himself whether a certain expansion is still fully functional or whether maintenance or the replacement of functional elements or control elements is required.
- a trial run can be simulated in this way.
- the test operation can also be carried out in real life by the operator addressing each shield control in sequence from his location via the control side of the hand-held device and having one or more functions carried out.
- the simultaneous retransmission of the statuses and status changes makes it possible to check whether the longwall construction is ready for operation and can be put into operation.
- the shield controls 34 are connected to one another by the cable 58, which in previous versions has only two wires and which is used for serial transmission of a code word and the expansion command in each case. Only that shield control 34 / expansion unit is addressed, whose stored one Codeword is identical to the transmitted codeword.
- the cable 58 is therefore a two-core cable which is laid in the form of a bus line from one shield control 34 to the next and also connects the main control center 50 and the auxiliary control center 51 to one another via the shield controls 34 located in between
- a second two-wire cable 59 is used in parallel, in this application as parallel Designated bus, laid In this application, cables 58, 59 are also referred to as bus lines
- FIG. 3 The principle of the connection of the cables in the individual shield controls 34 is shown in FIG. 3.
- Two shield controls 34.1 and 34.2 are shown from a large number of shield controls.
- the shield controls are connected to the main control center 50 and the auxiliary control center 51 via bus lines 58 and 59.
- the bus line 58 has the two chamfers 58.1 and 58.2; the bus line 59 has the two chamfers 59.1 and 59.2.
- All four phases of both bus lines are connected to the input elements 52 of the shield controls 34.1, 34.2, ... From the input elements, the incoming signals are processed in the shield controls. H. first checked whether the codeword sent corresponds to the stored codeword and assigned to this respective label control. If the transmitted signals are control signals, the corresponding processing and forwarding then takes place to the corresponding functional elements of the shield, which have been described above.
- each chamfer 58.2 or 59.2 of each of the bus lines is then fed to a switching element 53.
- the corresponding chamfers leave the switching element 53 via the output and are then fed to the corresponding switching element 53 of the adjacent shield control 34.2.
- both bevels 58.2 and 59.2 can be separated synchronously or individually.
- the other chamfer 58.1 and 59.1 of the bus lines 58 and 59 are then fed to an amplifier element 54.
- the corresponding chamfers are fed from the output of the reinforcement element to the reinforcement element of the adjacent shield control 34.2.
- Each shield control 34.1, 34.2 ... then has a further "right" input element 52 which receives and processes the signals which come from the right-hand side, ie the auxiliary center 51 or a shield control 34.3 ... located further to the right.
- Adjacent shield controls 34.1, 34.2 are in turn connected by two cables, each of which has two chamfers.
- the switch 53 with its two switching elements is closed to normal catfish, so that it is passed through. However, the bus lines are disconnected when faults occur. On the one hand, this can make troubleshooting easier.
- the switching elements of the right or left shield controls are opened individually and in sequence by one of the control devices (main control center, auxiliary control center, handheld device face control or shield control) and a control signal is then entered. Since the control signal is acknowledged immediately by the mentioned shield control even with the radio connection according to the invention, it can be determined which of the shield controls wins beyond the faulty shield control. On the other hand, in the event of a fault, the separation can take place in order to isolate a faulty shield control and to separate it from the bus line or the bus lines. As a result, the other shield controls remain controllable and the troubleshooting can be done without shutting down the strut.
- the incoming digital signals are refreshed. This is done by determining in the amplification element whether the incoming signals exceed a certain predetermined threshold value. If this is the case, signals of greater strength, preferably of the original strength, are generated in the output, so that the transmission of the signals is ensured by all shield controls. This type of amplification is particularly useful since the control signals, measurement signals, etc. are transmitted in digital form ,
- the expansion control can also be reliably controlled via radio, even if the face length is considerable.
- the control device has for this purpose the peculiarity that signals are only transmitted by radio to the closest of the control devices, but are passed on to the rest of them in a refreshed form with the required strength. Using the common computer capacity, it is possible to reliably determine the expansion units to be addressed.
- control command is transported via the free bus line 58 or 59 in each case in the manner described by the individual shield controls 34.1, 34.2 .... Only the shield control is addressed whose stored code word matches the code word which is added to the control signal.
- the receipt and / or the execution of the corresponding control command can be acknowledged by a feedback signal because the one of the two bus lines 58 and 59 as well as the radio connection is available for this.
- the feedback can take place immediately and without a time delay, so that an immediate control is possible at each input device, ie main control center 50, auxiliary control center 51 and control device 37.
- valve control 40 (FIG. 1).
- the control magnet of the pilot valve 45 is activated and the respective main valve 44 of the force generator 30 is actuated.
- the signals of the pressure sensors which are arranged for control and monitoring on each of the force transmitters and / or valves, can also be transmitted back via the bus lines.
- radio receiver 32 32. radio receiver 32
- Control unit 34 Control unit 34, shield control, shield control unit, expansion control 35, antenna 35
- control unit 40 Valve control, microprocessor, control unit 40 41.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003291958A AU2003291958A1 (en) | 2002-12-21 | 2003-12-11 | Control mechanism for the extension units in the longwall face of a mine |
DE10393865.6T DE10393865B4 (de) | 2002-12-21 | 2003-12-11 | Ausbausteuerung |
US10/538,828 US7455368B2 (en) | 2002-12-21 | 2003-12-11 | Control mechanism for the extension units in the longwall face of a mine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10261139 | 2002-12-21 | ||
DE10261139.4 | 2002-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004059129A1 true WO2004059129A1 (de) | 2004-07-15 |
Family
ID=32667550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2003/004083 WO2004059129A1 (de) | 2002-12-21 | 2003-12-11 | Steuerung der ausbaueinheiten in dem streb eines bergwerkes |
Country Status (7)
Country | Link |
---|---|
US (1) | US7455368B2 (de) |
CN (1) | CN100585126C (de) |
AU (1) | AU2003291958A1 (de) |
DE (1) | DE10393865B4 (de) |
PL (1) | PL202666B1 (de) |
RU (1) | RU2334108C2 (de) |
WO (1) | WO2004059129A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2439664A (en) * | 2005-03-17 | 2008-01-02 | Tiefenbach Control Sys Gmbh | Extraction controller for coal mining |
US7613157B2 (en) * | 2005-08-30 | 2009-11-03 | Interdigital Technology Corporation | Wireless communication method and apparatus for processing enhanced uplink scheduling grants |
DE112009001512A5 (de) * | 2008-04-21 | 2011-04-07 | Tiefenbach Control Systems Gmbh | Bildschirm |
DE102011017439A1 (de) * | 2010-07-30 | 2012-02-23 | Tiefenbach Control Systems Gmbh | Sicherheitseinrichtung an den beweglichen Abbaugeräten in einem Streb des untertätigen Bergbaus |
CN101963791B (zh) * | 2010-09-01 | 2012-06-06 | 广州日滨科技发展有限公司 | 液压支架电液控制系统控制器软件升级方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3406342A (en) * | 1965-01-21 | 1968-10-15 | Hubner Rolf | Safety monitoring and acknowledgment system for subterranean structures using radio relays |
GB2167924A (en) * | 1984-12-01 | 1986-06-04 | Eickhoff Geb | Arrangement for controlling a powered support system used in underground mining |
GB2265652A (en) * | 1992-04-04 | 1993-10-06 | Meco Electronics Ltd | Mine communication system |
DE19546427A1 (de) | 1995-02-02 | 1996-08-08 | Tiefenbach Gmbh | Ausbausteuerung für Bergbau-Gewinnungsmaschinen |
DE10207698A1 (de) | 2001-02-24 | 2002-10-24 | Tiefenbach Bergbautechnik Gmbh | Strebsteuerung für den Strebausbau |
DE19982113C1 (de) | 1998-10-21 | 2003-12-18 | Tiefenbach Bergbautechnik Gmbh | Steuerung für den Strebausbau |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1576317A (en) * | 1976-08-20 | 1980-10-08 | Dobson Park Ind | Control of self-advancing mine roof supports |
DE3207517C2 (de) * | 1982-03-03 | 1985-09-05 | Gebr. Eickhoff Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum | Steuerung für Ausbaugestelle des Untertagebergbaues |
DE3715586C1 (de) * | 1987-05-09 | 1988-09-22 | Gewerkschaft Eisenhuette Westfalia Gmbh, 4670 Luenen, De | |
US5029943A (en) * | 1990-05-17 | 1991-07-09 | Gullick Dobson Limited | Apparatus for transmitting data |
US6509842B1 (en) * | 1999-04-16 | 2003-01-21 | Tiefenbach Bergbautechnik Gmbh | Control system for a longwall support |
DE19925721B4 (de) * | 1999-06-07 | 2015-11-05 | Caterpillar Global Mining Europe Gmbh | Verfahren und Einrichtung zur ferngesteuerten Betätigung eines Steuergeräts |
CN2420422Y (zh) * | 2000-02-20 | 2001-02-21 | 兖矿集团有限公司 | 自动控制的放顶煤支架 |
-
2003
- 2003-12-11 WO PCT/DE2003/004083 patent/WO2004059129A1/de active Application Filing
- 2003-12-11 US US10/538,828 patent/US7455368B2/en not_active Expired - Lifetime
- 2003-12-11 PL PL377216A patent/PL202666B1/pl unknown
- 2003-12-11 RU RU2005123044/03A patent/RU2334108C2/ru active
- 2003-12-11 CN CN200380107227A patent/CN100585126C/zh not_active Expired - Lifetime
- 2003-12-11 AU AU2003291958A patent/AU2003291958A1/en not_active Abandoned
- 2003-12-11 DE DE10393865.6T patent/DE10393865B4/de not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3406342A (en) * | 1965-01-21 | 1968-10-15 | Hubner Rolf | Safety monitoring and acknowledgment system for subterranean structures using radio relays |
GB2167924A (en) * | 1984-12-01 | 1986-06-04 | Eickhoff Geb | Arrangement for controlling a powered support system used in underground mining |
GB2265652A (en) * | 1992-04-04 | 1993-10-06 | Meco Electronics Ltd | Mine communication system |
DE19546427A1 (de) | 1995-02-02 | 1996-08-08 | Tiefenbach Gmbh | Ausbausteuerung für Bergbau-Gewinnungsmaschinen |
DE19982113C1 (de) | 1998-10-21 | 2003-12-18 | Tiefenbach Bergbautechnik Gmbh | Steuerung für den Strebausbau |
DE10207698A1 (de) | 2001-02-24 | 2002-10-24 | Tiefenbach Bergbautechnik Gmbh | Strebsteuerung für den Strebausbau |
Also Published As
Publication number | Publication date |
---|---|
CN100585126C (zh) | 2010-01-27 |
RU2334108C2 (ru) | 2008-09-20 |
PL202666B1 (pl) | 2009-07-31 |
CN1729349A (zh) | 2006-02-01 |
DE10393865D2 (de) | 2005-08-18 |
DE10393865B4 (de) | 2016-07-21 |
US7455368B2 (en) | 2008-11-25 |
PL377216A1 (pl) | 2006-01-23 |
RU2005123044A (ru) | 2006-07-27 |
AU2003291958A1 (en) | 2004-07-22 |
US20060158016A1 (en) | 2006-07-20 |
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