WO2014090591A2 - Dispositif pour creuser des galeries, des tunnels ou analogues - Google Patents

Dispositif pour creuser des galeries, des tunnels ou analogues Download PDF

Info

Publication number
WO2014090591A2
WO2014090591A2 PCT/EP2013/074999 EP2013074999W WO2014090591A2 WO 2014090591 A2 WO2014090591 A2 WO 2014090591A2 EP 2013074999 W EP2013074999 W EP 2013074999W WO 2014090591 A2 WO2014090591 A2 WO 2014090591A2
Authority
WO
WIPO (PCT)
Prior art keywords
working head
tools
functional element
axis
electrical
Prior art date
Application number
PCT/EP2013/074999
Other languages
German (de)
English (en)
Inventor
Werner Hensgens
Alexander Neubauer
H. Gerd STEUFMEHL
Original Assignee
Aker Wirth Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Aker Wirth Gmbh filed Critical Aker Wirth Gmbh
Publication of WO2014090591A2 publication Critical patent/WO2014090591A2/fr

Links

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
    • 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
    • E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier

Definitions

  • the invention relates to a device for propulsion of routes, tunnels or the like, with a rotating drivable working head and with at least partially undercutting tools which are radially displaceable by means of hydraulically driven drives relative to a reference axis forming the axis of rotation of the Häkop- fes ,
  • Such a device is known for example from WO 96/15354.
  • undercutting tools are provided, which are arranged on tool arms, which are mounted in each case relative to a pivot axis of the working head forming the reference axis radially pivotable on the working head.
  • These tool arms are mounted so that they can be pivoted by means of cam-cylinder units about a pivot axis.
  • Each tool arm is assigned its own piston-cylinder unit.
  • the tool arms are individually pivoted by means of the respective piston-cylinder unit, that a pivoting movement is generated either radially from inside to outside or from outside to inside, so that provided on the tool arms cutting the working face of either work inside out or from outside to inside. Since the tool arms are independent of the angular position of the working head indi- viduell are pivotable, it is possible with this device to drive distances, tunnels or the like with non-circular cross-sections.
  • the power required for the drive must be transferred from a fixed part of the device - for example, a machine body - to the rotating working head.
  • a fixed part of the device for example, a machine body - to the rotating working head.
  • the fixed part rotatably to Masch inen body whose rotating part are arranged rotationally fixed to the working head.
  • the rotatable part of the rotary connection device (also called “rotor”) is screwed to the working head. connected to these controlling hydraulic valves.
  • the rotary connection device can be designed to supply further means required for operation, for example water, to the working head, which can be dispensed, for example, in the vicinity of the tools for cooling the same and / or reducing dust formation. Also for the supply of these funds from the rotor to the working head then more lines are required.
  • electrical lines can be provided between the rotor and the working head for signal transmission between sensors present on the working head, which respectively detect the position of a tool during operation and / or loads acting on it, and a control device controlling the device.
  • the control device relative to the working head is formed fixed, the rotary connection device then regularly includes sliding contacts and the rotor electrical connections from which cables are guided to the sensors.
  • a multifunctional element is provided on the working head, which rotates with the working head, and which serves for the passage of at least the essential, required for the operation of the tools fluid means and - if necessary - of electrical lines and / or signals , and in addition, at least the essential, with the working head with rotating components of the rotary connection device, which accomplishes the fuidischen and / or electrical connections between the rotatable working head and the fixed thereto machine body carries.
  • the multi-functional element is therefore a component of a special type.
  • the working head and the transfer block are matched to one another in such a way that the transfer of the fluid means and / or electrical powers and / or signals required for the operation of the tools between the working head and the machine body at the working head fluidic or electrical lines only in a reduced number, preferably not required.
  • All channels required for the fluidic lines are incorporated in the multifunctional element.
  • the diameters of the channels can be chosen differently and adapted to the needs in the operation of the device according to the invention that separate throttles for limiting the pressure and / or the flow rate of a hydraulic medium are superfluous.
  • electrical lines can be guided through the multi-functional element.
  • the multifunctional element has an essential mechanical function, since it serves to transmit the forces exerted by the rotor of the rotary connection device to the working head. These forces are not only determined by the mass of the rotor and possible friction with the fixed part of the rotary connection device - also called “stator” - but they are regularly increased by the mass of the stator, because this is to bending forces in and / or to avoid increased wear of the rotary joint device, stored floating on the rotor and connected only via a torque arm to the machine body.
  • such a multifunctional element is preferably provided in such devices for propelling routes, tunnels or the like, in which a plurality of individually displaceable on a drivable working head tools are provided.
  • the tools each comprise a relative to a rotational axis of the working head forming the reference axis radially pivotable tool arms, each with at least one undercutting working cutting tool, since the device then suitable in particular for propulsion of non-circular cross-section tunnels is, however, for which periodically significant amounts of hydraulic fluid must be transmitted via a plurality of lines between the machine body and the working head.
  • a multi-functional element of the type described above is particularly well suited.
  • the drives of the preferably at least partially undercutting tools preferably comprise double-acting hydraulic cylinders in the device according to the invention.
  • the hydraulic lines required for operating the same are realized in the form of separate bores in the transfer block. It is also particularly preferred if the at least partially undercutting tools outlet openings - provided in the case of tool arms with cutting tools on the tool arms - for water, which can be supplied for the purpose of cooling and / or reduction of dust. Also for the supply of this water, the multi-functional element comprises at least one separate hole.
  • the multifunctional element is preferably formed in one piece.
  • the holes required for the formation of ducts or for the passage of ducts are worked into the multifunctional element from the outside and their ends are closed, if necessary, by means of suitable plugs.
  • the material of the tempering block is a tempering steel, more preferably 42 CrMo4.
  • the multi-functional element preferably comprises a round flange whose center coincides with the axis of rotation of the working head.
  • connection means such as bores and contact means are provided for connecting channels or electrical lines provided in the rotor.
  • the spatial arrangement of the connection means is that in the rotor coordinated, so that a connection of the mutually associated channels or lines is ensured without further action.
  • the device according to the invention in which servo-valves are provided for controlling the drive of the tools, for example the double-acting hydraulic cylinder for swiveling the tool arms, which are arranged on the multifunctional element.
  • the profile of the channels in the multi-functional element is adapted to the connections of the servo valves such that the fluidic connection between the servo valves and the transmission block can take place without the interposition of separate hydraulic lines.
  • the multifunction element may also include safety and shut-off valves and pressure sensors, which serve to limit the pressure and to activate the holding function of the hydraulic cylinders.
  • FIG. 1 shows a side view of this embodiment of the device according to the invention, partly in section and partly in simplified form, at the beginning of a working cycle
  • Fig. 2 is the same view as in Fig. 1, but during working;
  • 3a to 3c show a front, a side and a rear view of an individual representation of a working head of a device according to the invention
  • Fig. 4 is a perspective view of a multi-functional element of in
  • FIG. 3 illustrated working head in a perspective view with mounted servo valves
  • Fig. 5 shows the multi-functional element according to FIG. 4 in a view from below as well
  • FIG. 6 shows a plan view of another exemplary embodiment of a multifunctional element.
  • the illustrated embodiment of the device for driving distances, tunnels or the like - also called “driving machine” for short - has a machine body 1 with a bearing 2 designated as a bearing for a rotatable working head 3.
  • This is provided by drive units 4, for example hydraulic motors, of which In the case of hydraulic motors, these can be supplied in a closed circuit by hydraulic pumps provided for this purpose.
  • hydraulic pumps provided for this purpose.
  • the machine body is provided with a front tensioning device 5 arranged close to the bearing 2 with upper and lower clamping claws 6 and 7 which can be pushed out and pulled in by pressure medium cylinders and with a rear tensioning device 8 with upper and lower clamping claws 9 and 9 which can also be pushed out by pressure medium cylinders and retracted 10 provided.
  • the device further comprises a device 20 for receiving and discharging the cuttings and other parts and devices, not shown, as come into consideration for the operation of such a device, such as a cabin for operators, protective shields, hydraulic pumps, control devices for controlling the Speed of the working head etc.
  • two oppositely disposed inner tool arms 1 1 and four outer tool arms 12 are arranged on the working head 3.
  • two of the outer tool arms 12 are opposite each other, ie by one Angle about the rotation axis M of 180 ° offset from each other.
  • the inner tool arms each comprise a tool holder 13, the outer one tool holder 14, and therein each a rotatably mounted roller drilling tool in the form of an undercut disc roller 15, 16.
  • the tool arms 10, 1 1 are hinged to the working head 3, that they by means of pistons Cylinder units 17, 18, which are formed as double-acting hydraulic cylinders to the axes 19 relative to a reference axis, which coincides with the machine longitudinal axis M, can be pivoted.
  • the disc rollers 15 serve on the inner tool arms 11 for working off an approximately circular central part of the working face B designated as the central region Z.
  • the two inner tool arms 11 are of an outer, in FIG 1 pivoted in the direction of the machine longitudinal axis M by means of the piston-cylinder units 17, while the working head 3 rotates, so that the disc rollers follow 1 5 spiral tracks around the machine longitudinal axis M from outside to inside.
  • the pivoting of the illustrated in Fig. 1 an inner tool arm 1 1 is symbolized by the arrow F1.
  • the outer tool arms 12 by means of the piston-cylinder units 18 in a pivoting movement in the direction of the arrows F2 radially offset from inside to outside, so that the disc rollers 16 begin to work from their respective points of engagement outside area A.
  • the piston-cylinder units 18 for the outer tool arms 12 by means of an electronic control, which also takes over the control of the piston-cylinder units 17 of the inner tool arms 1 1, so influenced that a respective desired profile shape or contour of the tunnel results.
  • a total of 21 designated support frame is provided below the machine body 1, a total of 21 designated support frame is provided.
  • This has a rigid frame 22 with legs 23, 24 on its NEN ends and is in the area of these legs with a front support device
  • each support device 2 on the legs 23 and 24 fixed support units 27 and 28, which have a suitable for good support and adjustment of the machine distance from each other in the transverse direction of the support frame 21.
  • Each support unit 27 or 28 contains a shoe 29 at the end of a controllably insertable and displaceable piston rod 30 of a piston-cylinder unit 31.
  • the support frame 21 and the machine body 1 are displaceable relative to one another by a limited amount.
  • the displacement can be effected by one or more piston-cylinder units 40, which are articulated on the one hand to the frame 22 of the support frame 21 and on the other hand to the machine body 1.
  • the machine is additionally equipped with a crawler track 51. This is firmly attached to the support frame 21.
  • Fig. 1 shows the state of the device at the beginning of a working cycle, as explained above.
  • the clamping jaws 6, 7 of the front clamping device and the clamping claws 9, 10 of the rear clamping device are extended and pressed against the wall of the tunnel, so that the device is braced in its position.
  • the support frame 21 is repumped by actuation of the piston-cylinder units 40, ie pushed from the position of FIG. 1 in the position of FIG. 2 relative to the strained machine body 1 to the front. Subsequently, the support units 27 and 28 of the support devices 25 and 26 are extended, wherein the shoes 29 sit again on the sole of the tunnel, as shown in Fig. 2.
  • the support units 27 and 28 can in The now occupied positions hydraulically or - depending on the version - be blocked in other ways.
  • the Nachsetzweg the support frame 21 is designated in Figs. 1 and 2 with the letter H.
  • the tool arms 1 1, 12 are brought to a new starting position.
  • the machine body 1 is advanced and tensioned by the stroke H by means of the piston-cylinder units 40, whereupon the support units 27 and 28 are retracted.
  • a state is achieved, as shown in FIG. 1, so that a new working cycle can begin.
  • a rotary connection device 60 which has a stator 62 connected to the machine body 1 via a torque support 61. To the stator all, for the operation of the tool arms 1 1, 12 required lines, be it connected, for example, electrical or hydraulic lines, as should be symbolized by the reference numeral 63.
  • the rotary connection device has for the transmission of, for example, supplied electrical power or electrical signals and pressurized hydraulic fluid or pressurized water, lubricant or the like appropriate measures, such as the stator 62 with a rotatable with the working head 3 rotor 64 suitably connecting sliding contacts, hydraulic Bushings or the like, as known in the art in a variety of ways.
  • the rotor is designed such that all channels or lines, via which it is fluidically or electrically connected to the stator, open at its end facing the working head 3 in its end face. With this front end, the rotor is fitted with a flange 65 of a multifunctional element 70 which is adapted to it by screwing with the aid of itself over the circumference of the rotor Flange distributing mounting screws, which are screwed through corresponding holes in the rotor 64 in threaded holes 66, attached.
  • symbolized connections 67 are provided in FIG. 4, to which associated lines of the rotor 64 are connected. These may be lines for fluidic media or electrical lines.
  • connections 67 communicate with fluidic or electrical lines machined in the multifunctional element 70. These lines are routed into the multifunctional element 70 by drilling channels of suitable diameter and dimensioned such that, for example, on the recognizable in Fig. 4 side of the multi-functional element 70 only exemplified connections 68 are connected to terminals on the working head 3, if the multi-functional element 70 is attached to the working head 3.
  • through holes 69 are provided in the radially outer region of the approximately symmetrical to its central axis S formed multi-functional element 69, are screwed through the fastening screws, not shown in the drawing into corresponding threaded holes of the working head 3.
  • servovalve arrangements 71, 72 are arranged on the upper side of the multifunctional element 70.
  • the servo valve assemblies 31 serve to control the movement of the inner tool arms, the servo valve assemblies 72 to those of the outer tool arms 12.
  • the multi-function element 70 in the drawing unrecognizable safety and shut-off valves, the Druckbegren- tion and activation the holding function of the piston-cylinder units 17, 18 serve.
  • the multi-functional element 70 further channels are incorporated, through which the working head 3 further liquid such as water can be supplied, which can for example be delivered to the tool arms 1 1, 12 in the vicinity of the disc rollers 15, 16, as shown in Fig. 1st is symbolized by the letter W.
  • the discharge of the water serves, for example, to reduce the development of dust or the cooling of the disc rolls.
  • a multi-functional element 80 is shown in a plan view without attachments such as servo valve assemblies, etc. in a plan view.
  • the basic structure and function of the multi-functional element 80 correspond to those of the embodiment 70 described above.
  • the multi-functional element 80 has no symmetrical shape to the transverse axis Q (see FIG.

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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)
  • Shovels (AREA)
  • Earth Drilling (AREA)

Abstract

L'invention concerne un dispositif pour creuser des galeries, des tunnels ou analogues, comprenant une tête d'abattage (3) qui peut être entraînée en rotation et qui présente des outils travaillant par dégagement, lesquels outils peuvent être déplacés radialement au moyen de systèmes d'entraînement à entraînement hydraulique par rapport à un axe de référence (M) formant l'axe de rotation de la tête d'abattage (3), les positions de ces outils pouvant de préférence être détectées et de l'eau pouvant de préférence être distribuée à proximité de ces outils. Selon l'invention, la tête d'abattage (3) est pourvue d'un élément multifonction (70, 80) qui tourne avec elle et qui sert à transporter des puissances électriques et/ou des signaux électriques et/ou des agents fluides nécessaires au fonctionnement des outils, et qui porte en outre au moins les composants principaux d'un système de raccord tournant (60), lesquels composants tournent avec la tête d'abattage (3), ce système de raccord tournant établissant la liaison fluidique et/ou électrique entre la tête d'abattage (3) rotative et un corps de machine (1) fixe par rapport à celle-ci.
PCT/EP2013/074999 2012-12-10 2013-11-28 Dispositif pour creuser des galeries, des tunnels ou analogues WO2014090591A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012111994.5 2012-12-10
DE201210111994 DE102012111994A1 (de) 2012-12-10 2012-12-10 Vorrichtung zum Vortreiben von Strecken, Tunneln oder dergleichen

Publications (1)

Publication Number Publication Date
WO2014090591A2 true WO2014090591A2 (fr) 2014-06-19

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PCT/EP2013/074999 WO2014090591A2 (fr) 2012-12-10 2013-11-28 Dispositif pour creuser des galeries, des tunnels ou analogues

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DE (1) DE102012111994A1 (fr)
WO (1) WO2014090591A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2019374159B2 (en) * 2019-04-19 2021-05-13 China University Of Mining And Technology Hard rock roadway and tunnel boring machine with actively rotating hobs
CN113606201A (zh) * 2021-08-04 2021-11-05 盾构及掘进技术国家重点实验室 一种高速高精度高稳定tbm扭矩油缸液压控制系统

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105221154B (zh) * 2015-09-30 2018-06-29 中铁工程装备集团有限公司 盾构机回转接头
CN112901159B (zh) * 2021-01-29 2022-01-11 中国矿业大学 一种矿井掘进机器人环境监测装置及方法
CN113356873B (zh) * 2021-05-26 2024-09-06 上海隧道工程有限公司 偏心刀盘的驱动油路装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4440261C2 (de) 1994-11-11 1997-04-30 Wirth Co Kg Masch Bohr Maschine zum Vortreiben von Strecken, Tunneln od. dgl.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2019374159B2 (en) * 2019-04-19 2021-05-13 China University Of Mining And Technology Hard rock roadway and tunnel boring machine with actively rotating hobs
CN113606201A (zh) * 2021-08-04 2021-11-05 盾构及掘进技术国家重点实验室 一种高速高精度高稳定tbm扭矩油缸液压控制系统
CN113606201B (zh) * 2021-08-04 2023-09-15 盾构及掘进技术国家重点实验室 一种高速高精度高稳定tbm扭矩油缸液压控制系统

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