EP0912816B1 - Verfahren zum steuern des schneidprozesses und einrichtung zur erfassung der einbruchstiefe von schrämwerkzeugen - Google Patents
Verfahren zum steuern des schneidprozesses und einrichtung zur erfassung der einbruchstiefe von schrämwerkzeugen Download PDFInfo
- Publication number
- EP0912816B1 EP0912816B1 EP97929020A EP97929020A EP0912816B1 EP 0912816 B1 EP0912816 B1 EP 0912816B1 EP 97929020 A EP97929020 A EP 97929020A EP 97929020 A EP97929020 A EP 97929020A EP 0912816 B1 EP0912816 B1 EP 0912816B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- depth
- sensors
- distance
- cutting
- distance sensors
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title abstract description 7
- 238000011156 evaluation Methods 0.000 claims abstract description 9
- 238000009412 basement excavation Methods 0.000 claims 2
- 238000005259 measurement Methods 0.000 abstract description 18
- 239000011435 rock Substances 0.000 abstract description 6
- 230000005641 tunneling Effects 0.000 description 11
- 230000035515 penetration Effects 0.000 description 4
- 238000005065 mining Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002559 palpation Methods 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/24—Mineral freed by means not involving slitting by milling means acting on the full working face, i.e. the rotary axis of the tool carrier being substantially parallel to the working face
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/24—Remote control specially adapted for machines for slitting or completely freeing the mineral
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/108—Remote control specially adapted for machines for driving tunnels or galleries
Definitions
- the invention relates to a device for detection the penetration depth of cutting tools of tunneling machines in the face.
- Partial cutting machines require for the removal of the face first a break in the face. To this end the part cutting machine is moved so that the removal tools into the face over a predetermined depth of penetration penetrate, after which for the propulsion a chamfering of the entire Face face is done. Depending on the circumstances in the Route or the nature of the rock, this takes place Break-in process first in the area of the roof, the center of the face or in the area of the track sole.
- a chamfering is an exact recording of the actual one Depth of cut of the cutting tool required. Both Previously known proposals to record the depth of burglary became a non-driven measuring wheel next to the crawler track the movable part cutting machine.
- This distance measuring distance covered during the burglary process should give information about the depth of burglary.
- dry sole such as in potash mining, has one such measuring device has proven itself. Measurement inaccuracies but result from a different sole quality.
- An exact one Measurement is usually carried out in the area of road jacking
- Directional control devices which of a theodolite in a fixed position, the corresponding measurements respectively.
- the measurement can be carried out using measuring beams, which in turn via receiving devices on the tunneling machine can be recorded and subsequently evaluated.
- For such facilities are thus separate facilities within the route is necessary, especially with bad Sole conditions and poor visibility in the area the tunneling machine distortions of the measurement results are not excluded can be.
- an indirect distance measurement at which directly monitors the movement of the crawler track does not lead to the desired precision, because with uneven, dirty and wet sole the slip is not taken into account is, so that useless measurement data can occur here can.
- the invention now aims to set up a device to create the type mentioned, with which without separate facilities within the track even with poor sole conditions and poor visibility in the area of the tunneling machine sufficiently accurate measurement results for the burglary depth achieved can be.
- the facility should be structurally simple be, so that the operational safety even in rough driving operations is given at all times.
- the device according to the invention essentially consists in that at least in the area of the slewing gear of the tunneling machine two distance sensors facing the working face are the area in front of and behind the cutting track of the Measure the chisel of the cutting heads and that the distance sensors with an evaluation device are connected, the sensor signals a comparison circuit for evaluating the difference of Signals are fed.
- the tunneling machine at least two facing the working face Distance sensors are arranged, if possible short distance and therefore more reproducible even in poor visibility immediately performed a distance measurement, whereby the mining movement is taken into account during tunneling.
- the break-in occurs in the path of the cutting tools behind the cutting tools a greater depth, which a smaller one Depth in front of the cutting tools.
- the distance sensors can be stationary or together with the slewing gear be arranged pivotable so that each immediately a measurement is made in front of and behind the cutting tool and thus a corresponding comparison through difference formation is made possible.
- An improvement of the measurement results by averaging of peak values can take place in that, as one preferred training corresponds, the distance sensors pivotable are arranged. With such swiveling sensors can scan a relatively large area of the working face , where peak values can be filtered out and that Measurement result is improved. Immediate information about the area in the immediate vicinity of the cutting heads or the Cutting tools can be ensured that the distance sensors arranged at the same height of the tunneling machine are.
- the burglary depth is evaluated in a particularly simple manner Way, as already indicated, by forming a difference, for what the Sensor signals from a comparison circuit for evaluating the difference the signals are fed.
- Another possibility of evaluating measurement data for the Distance to the face is that the sensor signals with from side distance sensors known per se be compared in the evaluation device. To this Relocation of the machine can also be taken into account such side distance sensors for example in DE-A1 44 39 601 are described.
- the training is advantageously taken such that the sensors and / or another sensor on the lower working area alignable and that the signal from these sensors via an evaluation circuit with the drive for the break-in connected is. If such a measurement has a high degree of filling results in the loading device, another burglary process be delayed until the removal in to the required extent.
- FIG. 1 shows a side view of a tunnel boring machine with the device according to the invention
- FIG. 2 a plan view of the illustration of FIG. 1st
- Fig. 1 is a part-cutting machine which is movable on a crawler track 1 2 shown, the swivel mechanism designated 3 is.
- On the swivel mechanism is one in the vertical direction and laterally pivotable boom arm 4 articulated, the swivel mechanism even pivotable about the axis 5 in the horizontal direction is.
- the cantilever arm 4 carries cutting heads 6, which in the illustration 1 in the face over a depth of burglary te are presented.
- the jacking motion to dismantle of the rock is done by swiveling the Swivel mechanism 3 about the substantially vertical axis 5 in essentially horizontal direction.
- Neighboring the slewing gear are arranged distance sensors 7, whereby, as in particular 2 shows such distance sensors are arranged on both sides of the swivel mechanism 3.
- the Right distance sensor seen in machine longitudinal direction is with 7 denotes, whereas the opposite sensor denotes 8 is.
- the sensors 7 and 8 can themselves be arranged in a stationary manner be, or hinged to the tunneling machine 2 his.
- the pivoting in a substantially vertical Direction leads to a palpation of the face over the Area in which the break-in has already taken place, so the largest measured value plus the distance to the working face corresponds to the penetration depth te.
- the distance sensors can in a conventional manner, for example as ultrasonic sensors be trained and operated in the manner of an echo sounder become.
- there are other radiation sources, such as Infrared rays can be used for the sensor, each time from the difference in the transit time between the sent and the reflected Signal is closed at the respective distance.
- a pile 10 can be seen, whereby, as shown in FIG. 1, a relatively high degree of filling depending on the swivel position of the boom arm 4 is possible.
- the distance to the pile 10 can also measured via sensors 7 or 8 or separate sensors are too small a distance here too high Filling the charging device 9 results. If the filling is too high the further burglary can be interrupted until the Removal to the desired extent while increasing the measured distance to the pile 10 is done.
- the cantilever arm 4 is when cutting in the direction of arrow 11 pivoted, being in the already milled section in the Track of the cutting heads increased the greater the distance Penetration depth is measured.
- One in this lane Sensor 8 thus measures a higher value for the distance than that Sensor 7, so that the difference of these signals directly Burglary depth can be determined.
- the measured values of the distance sensor 7 may be greater than the measured values of the Distance sensor 8.
- the material hitting the loading device is over a continuous conveyor 12 to drop or handover end 13 of this conveyor transported and can subsequently in conventional Way to be transported away.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Earth Drilling (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Machine Tool Sensing Apparatuses (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Automatic Control Of Machine Tools (AREA)
- Gear Processing (AREA)
Description
Claims (5)
- Einrichtung zur Erfassung der Einbruchtiefe von Schrämwerkzeugen (6) von Vortriebsmaschinen (2) in die Ortsbrust, dadurch gekennzeichnet, daß im Bereich des Schwenkwerkes (3) der Vortriebsmaschine (2) wenigstens zwei zur Ortsbrust gerichteter Abstandssensoren (7,8) angeordnet sind, die jeweils den Bereich vor und hinter der Schneidspur der Meißel der Schrämköpfe (6) messen und daß die Abstandssensoren (7,8) mit einer Auswerteeinrichtung verbunden sind, wobei die Sensorsignale einer Vergleichsschaltung zur Auswertung der Differenz der Signale zugeführt sind.
- Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Abstandssensoren (7,8) verschwenkbar angeordnet sind.
- Einrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Abstandssensoren (7,8) auf gleicher Höhe der Vortriebsmaschine (2) angeordnet sind.
- Einrichtung nach einem der Ansprüche 1, 2 oder 3, dadurch gekennzeichnet, daß die Sensorsignale zusammen mit von an sich bekannten Seitenabstandssensoren ermittelten Sensorsignalen in der Auswerteeinrichtung verarbeitet werden.
- Einrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Sensoren (7,8) und/oder ein weiterer Sensor auf den unteren Ortsbrustbereich hin ausrichtbar und daß das Signal dieser Sensoren über eine Auswerteschaltung mit dem Antrieb für den Einbruch verbunden ist.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT12/96 | 1996-07-18 | ||
AT1296 | 1996-07-18 | ||
AT0129696A AT406892B (de) | 1996-07-18 | 1996-07-18 | Verfahren zum steuern des schneidprozesses und einrichtung zur erfassung der einbruchstiefe von schrämwerkzeugen |
PCT/AT1997/000159 WO1998003770A1 (de) | 1996-07-18 | 1997-07-09 | Verfahren zum steuern des schneidprozesses und einrichtung zur erfassung der einbruchstiefe von schrämwerkzeugen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0912816A1 EP0912816A1 (de) | 1999-05-06 |
EP0912816B1 true EP0912816B1 (de) | 2001-12-12 |
Family
ID=3510817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97929020A Expired - Lifetime EP0912816B1 (de) | 1996-07-18 | 1997-07-09 | Verfahren zum steuern des schneidprozesses und einrichtung zur erfassung der einbruchstiefe von schrämwerkzeugen |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0912816B1 (de) |
AT (2) | AT406892B (de) |
AU (1) | AU722290B2 (de) |
DE (1) | DE59705784D1 (de) |
ES (1) | ES2134181T1 (de) |
WO (1) | WO1998003770A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110094210A (zh) * | 2019-03-16 | 2019-08-06 | 陈武琼 | 一种全自动煤巷自感应无人掘进装置及使用方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2821590A1 (de) | 2013-07-04 | 2015-01-07 | Sandvik Intellectual Property AB | Bergbaumaschinen-Sammelkopf |
CN114086954B (zh) * | 2021-10-29 | 2024-07-12 | 中国煤炭科工集团太原研究院有限公司 | 掘锚一体机的自动化控制方法、装置、电子设备及存储介质 |
CN114194719B (zh) * | 2021-11-25 | 2023-08-25 | 中国煤炭科工集团太原研究院有限公司 | 掘进机机尾刮板机与转载机自适应控制方法及系统 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4072349A (en) * | 1973-12-07 | 1978-02-07 | Coal Industry (Patents) Limited | Steering of mining machines |
US3922015A (en) * | 1973-12-17 | 1975-11-25 | Consolidation Coal Co | Method of mining with a programmed profile guide for a mining machine |
US4200335A (en) * | 1978-08-18 | 1980-04-29 | Peabody Coal Company | Gauging apparatus and method, particularly for controlling mining by a mining machine |
DE2901598C2 (de) * | 1979-01-17 | 1986-03-20 | Gebr. Eickhoff Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum | Vorrichtung zur Kontrolle der Lage einer Teilschnittvortriebsmaschine |
AT383867B (de) * | 1985-11-04 | 1987-09-10 | Voest Alpine Ag | Verfahren zum steuern der bewegung eines allseits schwenkbaren schraemarmes einer teilschnittschraem- maschine sowie vorrichtung zur durchfuehrung dieses verfahrens |
US4952000A (en) * | 1989-04-24 | 1990-08-28 | Thin Seam Miner Patent B.V., The Netherlands | Method and apparatus for increasing the efficiency of highwall mining |
DE4333032C2 (de) * | 1993-09-29 | 1996-11-28 | Honeywell Ag | Vorrichtung zur Bestimmung der Position, Lage und Ausrichtung einer Tunnelvortriebsmaschine |
DE4439601C2 (de) * | 1994-11-05 | 1999-02-18 | Voest Alpine Bergtechnik | Verfahren zur Richtungssteuerung einer im Untertagebetrieb eingesetzten Maschine sowie zur Durchführung des Verfahrens geeignete Maschine |
CA2141984C (en) * | 1995-02-07 | 2002-11-26 | Herbert A. Smith | Continuous control system for a mining or tunnelling machine |
-
1996
- 1996-07-18 AT AT0129696A patent/AT406892B/de not_active IP Right Cessation
-
1997
- 1997-07-09 EP EP97929020A patent/EP0912816B1/de not_active Expired - Lifetime
- 1997-07-09 ES ES97929020T patent/ES2134181T1/es active Pending
- 1997-07-09 AT AT97929020T patent/ATE210782T1/de not_active IP Right Cessation
- 1997-07-09 DE DE59705784T patent/DE59705784D1/de not_active Expired - Lifetime
- 1997-07-09 WO PCT/AT1997/000159 patent/WO1998003770A1/de active IP Right Grant
- 1997-07-09 AU AU33286/97A patent/AU722290B2/en not_active Ceased
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110094210A (zh) * | 2019-03-16 | 2019-08-06 | 陈武琼 | 一种全自动煤巷自感应无人掘进装置及使用方法 |
Also Published As
Publication number | Publication date |
---|---|
ATA129696A (de) | 2000-02-15 |
AT406892B (de) | 2000-10-25 |
ES2134181T1 (es) | 1999-10-01 |
AU722290B2 (en) | 2000-07-27 |
ATE210782T1 (de) | 2001-12-15 |
WO1998003770A1 (de) | 1998-01-29 |
AU3328697A (en) | 1998-02-10 |
EP0912816A1 (de) | 1999-05-06 |
DE59705784D1 (de) | 2002-01-24 |
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