EP1333153A1 - Kaliberaufweitungsschneidwerkzeug für Tunnelbohrmaschinen - Google Patents
Kaliberaufweitungsschneidwerkzeug für Tunnelbohrmaschinen Download PDFInfo
- Publication number
- EP1333153A1 EP1333153A1 EP02002618A EP02002618A EP1333153A1 EP 1333153 A1 EP1333153 A1 EP 1333153A1 EP 02002618 A EP02002618 A EP 02002618A EP 02002618 A EP02002618 A EP 02002618A EP 1333153 A1 EP1333153 A1 EP 1333153A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- caliber
- cutting
- cutting roller
- hub
- tunnel
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000005553 drilling Methods 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 239000011435 rock Substances 0.000 description 9
- 230000007704 transition Effects 0.000 description 4
- 210000003746 feather Anatomy 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Images
Classifications
-
- 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
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
- E21D9/104—Cutting tool fixtures
Definitions
- the invention relates to a caliber expansion cutting roller for tunnel boring machines and a method for expanding the caliber of a tunnel according to the generic term of respective independent claim.
- Tunnel boring machines have a drill head, which depending on Soil quality with various cutting elements can be provided.
- cutting elements among other things so-called cutting rollers for use.
- the cutting rollers on the face of the Drill head are arranged and for processing the working face (this is how the rock face in front of the face of the Boring head) or whether the cutting rollers are so are arranged to process the Transition area from the face to the tunnel wall serve, so the diameter or the "caliber" of the tunnel determine.
- the latter cutting rolls are therefore also called “caliber cutting rolls”.
- FIG. 1 A section through an embodiment of a drill head Such a tunnel boring machine is shown in Fig. 1.
- the caliber cutting roller 10 can be seen of the drill head 1, which is the diameter or the caliber of the tunnels to be drilled.
- FIG. 2 is a sectional view of the caliber cutting roller 10 shown on a tunnel wall TW, namely in the right half a caliber cutting roller 10 in unused condition and one in the left half worn out caliber cutting roller 10.
- the caliber cutting roller 10 includes a hub 100 on which a Cutting ring 101 is firmly seated.
- a Cutting ring 101 is firmly seated.
- the measure of Wear on the cutting ring is the diameter D (through the corresponding arrow indicated) with such worn out caliber cutting roller drilled tunnel less than before, as in the left half of FIG. 2 is recognizable.
- the caliber cutting roller 10 is arranged in the drill head 1 so that some reduction in diameter - so a certain wear of the cutting ring 101 - can be tolerated can.
- the outer cutting edge 101a of the Cutting ring 101 of the caliber cutting roller is not so far over the rest of the drill head 1 outwards in front of that a arbitrary wear of the cutting ring 101 can be tolerated can.
- There is a constructive limit which guarantees that until this limit is reached the tunnel boring machine still through that in diameter reduced tunnel fits.
- FIG. 3 shows an embodiment of a (caliber) Cutting roller 10 shown somewhat more completely.
- the hub 100 of the caliber cutting roller 10 is on a bearing 102 (Fig. 3) and the bearing 102 arranged on an axis 103.
- the axis 103 is in turn in a cutting roller housing box 11 firmly clamped (Fig. 4), which is fixed in Drill head 1 is seated.
- the housing box 11 has a slot 110, which is open at one point to the inside.
- Axis 103 is used to insert a caliber cutting roller with the bearing 102 arranged thereon and that on the bearing seated hub 100 with the cutting ring 101 from the inside inserted into the slot 110 of the housing box 11 and then shifted in the circumferential direction in the slot 110.
- two clamping elements 104, 105 which can be actuated from the inside are then the axis 103 in the housing box 11 is fixed clamped.
- a caliber cutting roller is removed accordingly in reverse order: loosen the Clamping elements 104, 105, shifting the axis 103 in Slit 110 in the circumferential direction and subsequent removal the caliber cutting roller (axle, bearing, hub, cutting ring) inside.
- the caliber be expanded so that the new, unworn caliber cutting roller 10 at all in the housing box 11 of the Drill head 1 can be used.
- Another option is to widen the caliber in it after removing the worn caliber cutting roller for example the tunnel wall through the interior of the drill head of the tunnel boring machine.
- This chiseling is relatively complex and due to the small space available in the Inside the drill head is also very cumbersome and takes also take quite a long time in which is the tunnel boring machine.
- the invention seeks to remedy this situation by providing this Exchange of the caliber cutting roller in total from the Implementation forth simplified and also the time during which the tunnel boring machine is standing, shortened.
- the caliber expansion cutting roller is the cutting ring in the axial direction on the hub slidably arranged.
- the cutting ring is initially in a position in which the caliber expansion cutting roller exactly the worn out caliber cutting roller replaced.
- the drill head thus still has the (reduced) cutting diameter, the one with a worn caliber cutting roller corresponds to existing. If the rotating drill head is in In the direction of the tunnel axis, the Cutting ring in the axial direction (axial means in this Connection in the direction of the longitudinal axis of the hub) on the Hub shifted until it is between the hub and the tunnel wall tense, so it can no longer move on the hub.
- the expansion of the caliber can be done simply by doing so done that instead of the very arduous and time-consuming chiseling a caliber expansion cutting roller is inserted into the drill head and then through Driving the drill head widened the caliber of the tunnel becomes. Is the full or at least sufficient Expansion of the caliber takes place, so the Caliber expansion cutting roller out of the drill head removed and the new, unworn caliber cutting roller can be inserted into the drill head and the tunnel can then Drilled normally with the new caliber cutting roller become.
- the Caliber expansion cutting roller has the hub at one end a stop and the cutting ring is with a appropriate stop surface provided, the Stop surface of the cutting ring in the starting position of the Cutting ring on the stop provided on the hub is applied. In this position the cutting ring must be assured that the caliber expansion cutting roller can be used in any case in the drill head. With in other words, that means that the cutting edge of the Caliber expansion cutting roller not in this position protrude further in the direction of the diameter of the tunnel wall may be that of a worn caliber cutting roller. This is too concerned with the design of the caliber expansion cutting roller consider.
- caliber expansion cutting roller according to the invention has the Hub on the other end also on a stop, which the maximum possible axial displacement of the cutting ring limited.
- the Caliber widening cutting roller is the sliding one Cutting ring shorter than the hub by a predetermined length.
- This predetermined length when axially moving the Cutting ring on the hub corresponds to a predetermined one Expansion of the caliber of the tunnel.
- the predetermined one Widening the caliber of the tunnel results from this the length by which the cutting ring is axially displaceable and from the angle that the longitudinal axis of the hub with the Includes tunnel axis. That means that you have this Length (the angle is determined by the arrangement of the Cutting roller specified in the drill head) the extent of the expansion of the caliber can (pre) determine.
- the Caliber expansion cutting roller is the hub of the Cutting roller on a bearing and the bearing on an axis arranged.
- the axis is together with the bearing and the one on it arranged hub and the cutting ring in one in the Drill head arranged housing box can be used directly and the axis can then be in the housing box of the drill head be clamped.
- the housing box can be one Stop to limit the displacement of the Cutting ring on the hub.
- the Caliber expansion cutting roller is between the hub and a positive connection is provided to the cutting ring.
- a positive connection is provided to the cutting ring.
- it can be used as a key (sliding key) be formed which in a recess (keyway) stuck in the shell of the hub while a continuous groove allows sliding movement in the cutting ring by play.
- the purpose of the feather key is to achieve that when unrolling the cutting roller on the tunnel wall (when processing the Tunnel wall) not the cutting ring relative to the hub rotates, but rather that the hub with the help of the bearing, on which it sits, rotates relative to the axis, on which the camp is arranged. This will make the well-defined and proven for the caliber cutting rolls Guaranteed rotational movement with the help of the bearing.
- a caliber widening cutting roller according to one of the preceding claims, with which the caliber of the tunnel is widened, is thus used - as already described - to widen the caliber of the tunnel.
- the caliber expansion cutting roller is removed from the drill head again and the new caliber cutting roller is inserted into the drilling head. The expansion of the caliber of the tunnel is therefore carried out in a relatively simple manner and the time required for the expansion of the caliber and during which the tunnel boring machine is standing is reduced.
- the longitudinal axis 206 closes the.
- Fig. 5 in the right half is the caliber widening cutter 20 shown in the starting position and in the left half after the expansion process in the End position.
- a solid line shows the tunnel wall TW, where the tunnel has a reduced diameter D because the cutting ring 101 of the caliber cutting roller 10 (see Fig.2) was worn out.
- the transition of the Tunnel wall TW indicated to face.
- the parallel to the solid line dashed line denotes the tunnel wall TW after the expansion process, which will be described in more detail below.
- the caliber expansion cutting roller 20 includes a hub 200 and one on the hub 200 in the axial direction - in Direction of the longitudinal axis 206 of the caliber expansion cutting roller 20 - slidably arranged cutting ring 201.
- the cutting ring 201 has one on the inside continuous groove running parallel to the axis of rotation (208) on.
- a groove 207 is provided in the jacket of the hub 200, in which is a key (not shown here) is used frictionally. The key acts as Positive connection between the hub 200 and the Cutting ring 201, as will be explained.
- the hub 200 is with a stop 200b and the cutting ring 201 provided with a corresponding stop surface 201b, with the stop surface 201b in the starting position (right half in Fig. 5) abuts the stop 200b.
- the Hub 200 can also have one at the other end (not here shown) stop to limit the Shifting the cutting ring 201 on the hub 200. Will now the drill head is driven rotating in the direction of the TA axis - According to the arrow V in Fig. 5 - and lies the Cutting edge 201a of the cutting ring 201 as in the right one Half shown in Fig.
- the sliding cutting ring 201 is shorter than the hub 200 by a predetermined length ⁇ L.
- the length ⁇ L can be calculated, when moving from the starting position of the cutting ring 201 (Stop surface 201b abuts stop 200b, see Fig. 5, right half) and the end position of the cutting ring 201 (see Fig. 5, left half) goes out.
- the caliber expansion cutting roller 20 be basically the same as that (Caliber) cutting roller 10, so it can in particular Have bearings, which is arranged on an axis, so as shown in FIG. 3 for the caliber cutting roller 10 shown and has already been explained above.
- the hub 200 relative to the bearing is rotated to the axis and not the cutting ring 201 relative to the hub 200, is in the illustrated Embodiment of the inventive Caliber expansion cutting roller 20 in the recess (groove) 207 a key arranged in the jacket of the hub 200, the acts as a sliding spring.
- the cutting ring 201 has one corresponding groove (208).
- the slide spring forms one positive connection that a when the Caliber expansion cutting roller 20 on the tunnel wall TW transmits the cutting ring 201 acting torque.
- a caliber cutting roller 10 is now worn out (see 2, left half), then according to the invention Move the caliber cutting roller 10 together with the bearing 102 and the axis 103 from the housing box 11 (see FIG. 4) the drill head 1 removed. Then one Caliber expansion cutting roller 20 according to the invention (also together with the bearing and the axle) in the Housing box 11 of the drill head 1 used, namely in the Starting position in which the stop surface 201b of the Cutting ring 201 abuts the stop 200b of the hub 200. The expansion of the tunnel's caliber then takes place in the way described above.
- the caliber expansion roller 20 (together with the bearing and the axle) again removed the housing box 11 of the drill head 1 and a new, unworn caliber cutting roller 10 (together with the associated bearing and the axis) in the housing box 11 used and fixed. Then the tunnel can be used the newly used, unworn caliber cutting roller 10 can be drilled further.
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
Description
Bei dem erfindungsgemässen Verfahren zur Aufweitung des Kalibers eines Tunnels wird also - wie bereits beschrieben - zum Aufweiten des Kalibers des Tunnels eine Kaliberaufweitungs-Schneidrolle gemäss einem der vorangehenden Ansprüche in den Bohrkopf eingesetzt, mit welcher das Kaliber des Tunnels aufgeweitet wird. Nach dem Aufweiten des Kalibers mit Hilfe der Kaliberaufweitungs-Schneidrolle wird die Kaliberaufweitungs-Schneidrolle wieder aus dem Bohrkopf ausgebaut und die neue Kaliber-Schneidrolle in den Bohrkopf eingesetzt. Die Aufweitung des Kalibers des Tunnels erfolgt also auf relativ einfache Art und Weise und die Zeit, die zur Aufweitung des Kalibers benötigt wird und während der die Tunnelbohrmaschine steht, wird verkürzt.
- Fig. 1
- einen Schnitt durch ein Ausführungsbeispiel eines Bohrkopfs mit Kaliber-Schneidrolle einer Tunnelbohrmaschine,
- Fig. 2
- eine unverschlissene Kaliber-Schneidrolle sowie eine verschlissene Kaliber-Schneidrolle an einer Tunnelwand (vereinfachte Darstellung),
- Fig. 3
- die Kaliber-Schneidrolle mitsamt einem Lager und einer Achse,
- Fig. 4
- einen Ausschnitt aus einem Bohrkopf mit einem Schneidrollen-Gehäusekasten, in welchem die Kaliber-Schneidrolle angeordnet ist,
- Fig. 5
- ein Ausführungsbeispiel einer erfindungsgemässen Kaliberaufweitungs-Schneidrolle (vereinfachte Darstellung) an einer Tunnelwand, sowohl in der Ausgangsstellung des Schneidrings vor dem Aufweitvorgang als auch in der Endstellung des Schneidrings nach dem Aufweitvorgang.
Claims (9)
- Kaliberaufweitungs-Schneidrolle (20) für Tunnelbohrmaschinen, mit einer Nabe (200) und einem auf dieser Nabe (200) angeordneten Schneidring (201), dadurch gekennzeichnet, dass der Schneidring (201) in axialer Richtung (206) auf der Nabe (200) verschiebbar angeordnet ist.
- Kaliberaufweitungs-Schneidrolle nach Anspruch 1, bei welcher die Nabe (200) an einem Ende einen Anschlag (200b) aufweist und der Schneidring (201) mit einer entsprechenden Anschlagfläche (201b) versehen ist, wobei die Anschlagfläche (201b) des Schneidrings (201) in der Ausgangsposition des Schneidrings (201) an dem an der Nabe (200) vorgesehenen Anschlag (200b) anliegt.
- Kaliberaufweitungs-Schneidrolle nach Anspruch 2, bei welcher die Nabe (200) einen weiteren Anschlag aufweist, welcher die maximal mögliche axiale Verschiebung des Schneidrings (201) begrenzt.
- Kaliberaufweitungs-Schneidrolle nach einem der Ansprüche 1 bis 3, bei welcher der Schneidring (201) um eine vorbestimmte Länge (ΔL) kürzer ist als die Nabe (200), wobei diese vorbestimmte Länge (ΔL) beim axialen Verschieben des Schneidrings (201) auf der Nabe (200) einer vorbestimmten Aufweitung des Kalibers des Tunnels entspricht.
- Kaliberaufweitungs-Schneidrolle nach einem der vorangehenden Ansprüche, bei welcher die Nabe (200) der Schneidrolle (20) auf einem Lager und das Lager auf einer Achse (103) angeordnet ist, und dass die Achse (103) mitsamt dem Lager und der darauf angeordneten Nabe (200) und dem Schneidring (201) in einen in dem Bohrkopf (1) angeordneten Gehäusekasten (11) einsetzbar ist.
- Kaliberaufweitungs-Schneidrolle nach Anspruch 5, bei welcher der Gehäusekasten (11) einen Anschlag zur Begrenzung der Verschiebung des Schneidrings (201) bildet.
- Kaliberaufweitungs-Schneidrolle nach einem der vorangehenden Ansprüche, bei welcher zwischen der Nabe (200) und dem Schneidring (201) eine formschlüssige Verbindung vorgesehen ist.
- Kaliberaufweitungs-Schneidrolle nach Anspruch 7, bei welcher die formschlüssige Verbindung als Passfeder, insbesondere als Gleitfeder, ausgebildet ist, welche in einer Aussparung (207) im Mantel der Nabe (200) angeordnet ist, und dass in der Innenwand des Schneidrings (201) eine entsprechende Aussparung (208) vorgesehen ist, in welche die Passfeder eingreift.
- Verfahren zur Aufweitung des Kalibers eines Tunnels, welcher mit Hilfe einer Tunnelbohrmaschine gebohrt wird, die einen Bohrkopf (1) mit einer Kaliber-Schneidrolle (10) umfasst, bei welchem Verfahren die Kaliber-Schneidrolle (10) aus dem Bohrkopf (1) ausgebaut wird, bei welchem Verfahren dann das Kaliber des Tunnels aufgeweitet wird und bei welchem Verfahren nach dem Aufweiten des Kalibers eine neue Kaliber-Schneidrolle (10) in den Bohrkopf (1) eingesetzt wird, sodass der Tunnel anschliessend mit der neu eingesetzten Kaliber-Schneidrolle (10) weitergebohrt werden kann, dadurch gekennzeichnet, dass zum Aufweiten des Kalibers des Tunnels eine Kaliberaufweitungs-Schneidrolle (20) gemäss einem der vorangehenden Ansprüche in den Bohrkopf (1) eingesetzt wird, mit welcher das Kaliber des Tunnels aufgeweitet wird, und dass nach dem Aufweiten des Kalibers mit Hilfe der Kaliberaufweitungs-Schneidrolle (20) die Kaliberaufweitungs-Schneidrolle (20) wieder aus dem Bohrkopf (1) ausgebaut und die neue Kaliber-Schneidrolle (10) in den Bohrkopf (1) eingesetzt wird.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT02002618T ATE325257T1 (de) | 2002-02-05 | 2002-02-05 | Kaliberaufweitungsschneidwerkzeug für tunnelbohrmaschinen |
DE50206647T DE50206647D1 (de) | 2002-02-05 | 2002-02-05 | Kaliberaufweitungsschneidwerkzeug für Tunnelbohrmaschinen |
EP02002618A EP1333153B1 (de) | 2002-02-05 | 2002-02-05 | Kaliberaufweitungsschneidwerkzeug für Tunnelbohrmaschinen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02002618A EP1333153B1 (de) | 2002-02-05 | 2002-02-05 | Kaliberaufweitungsschneidwerkzeug für Tunnelbohrmaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1333153A1 true EP1333153A1 (de) | 2003-08-06 |
EP1333153B1 EP1333153B1 (de) | 2006-05-03 |
Family
ID=8185434
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02002618A Expired - Lifetime EP1333153B1 (de) | 2002-02-05 | 2002-02-05 | Kaliberaufweitungsschneidwerkzeug für Tunnelbohrmaschinen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1333153B1 (de) |
AT (1) | ATE325257T1 (de) |
DE (1) | DE50206647D1 (de) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2500961A1 (de) * | 1975-01-11 | 1976-07-15 | Demag Ag | Rollenbohrwerkzeug |
US3982595A (en) * | 1972-07-24 | 1976-09-28 | Dresser Industries, Inc. | Rock boring cutter with replaceable cutting elements |
US4454923A (en) * | 1981-08-17 | 1984-06-19 | Wirth Maschinen-Und Bohrgerate-Fabrik Gmbh | Holding device for boring head tools or the like |
DE3439748A1 (de) * | 1984-10-31 | 1986-04-30 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Lagerbock mit darin gelagertem rollenmeissel |
US5234064A (en) * | 1992-03-09 | 1993-08-10 | The Robbins Company | Roller cutter assembly having adjustable ring cutter spacing |
EP0704600A2 (de) * | 1994-10-01 | 1996-04-03 | Wirth Maschinen- und Bohrgeräte-Fabrik GmbH | Verfahren und Arbeitskopf zum Erzeugen einer Profilvergrösserung beim Einsatz von Vortriebsmaschinen |
US5598895A (en) * | 1995-01-19 | 1997-02-04 | Atlas Copco Robbins Inc. | Cutter assembly having a plurality of independently rotatable cutting units thereon |
US5961185A (en) * | 1993-09-20 | 1999-10-05 | Excavation Engineering Associates, Inc. | Shielded cutterhead with small rolling disc cutters |
DE29905981U1 (de) * | 1999-04-09 | 2000-08-31 | Wirth Co Kg Masch Bohr | Vorrichtung zum Vortreiben von Strecken, Tunneln o.dgl. |
-
2002
- 2002-02-05 DE DE50206647T patent/DE50206647D1/de not_active Expired - Lifetime
- 2002-02-05 AT AT02002618T patent/ATE325257T1/de not_active IP Right Cessation
- 2002-02-05 EP EP02002618A patent/EP1333153B1/de not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3982595A (en) * | 1972-07-24 | 1976-09-28 | Dresser Industries, Inc. | Rock boring cutter with replaceable cutting elements |
DE2500961A1 (de) * | 1975-01-11 | 1976-07-15 | Demag Ag | Rollenbohrwerkzeug |
US4454923A (en) * | 1981-08-17 | 1984-06-19 | Wirth Maschinen-Und Bohrgerate-Fabrik Gmbh | Holding device for boring head tools or the like |
DE3439748A1 (de) * | 1984-10-31 | 1986-04-30 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Lagerbock mit darin gelagertem rollenmeissel |
US5234064A (en) * | 1992-03-09 | 1993-08-10 | The Robbins Company | Roller cutter assembly having adjustable ring cutter spacing |
US5961185A (en) * | 1993-09-20 | 1999-10-05 | Excavation Engineering Associates, Inc. | Shielded cutterhead with small rolling disc cutters |
EP0704600A2 (de) * | 1994-10-01 | 1996-04-03 | Wirth Maschinen- und Bohrgeräte-Fabrik GmbH | Verfahren und Arbeitskopf zum Erzeugen einer Profilvergrösserung beim Einsatz von Vortriebsmaschinen |
US5598895A (en) * | 1995-01-19 | 1997-02-04 | Atlas Copco Robbins Inc. | Cutter assembly having a plurality of independently rotatable cutting units thereon |
DE29905981U1 (de) * | 1999-04-09 | 2000-08-31 | Wirth Co Kg Masch Bohr | Vorrichtung zum Vortreiben von Strecken, Tunneln o.dgl. |
Also Published As
Publication number | Publication date |
---|---|
ATE325257T1 (de) | 2006-06-15 |
EP1333153B1 (de) | 2006-05-03 |
DE50206647D1 (de) | 2006-06-08 |
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