EP3012403B1 - Système de fixation d'un outil de coupe sur une tête de coupe de tunnelier et tunnelier comprenant un tel système de fixation - Google Patents

Système de fixation d'un outil de coupe sur une tête de coupe de tunnelier et tunnelier comprenant un tel système de fixation Download PDF

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Publication number
EP3012403B1
EP3012403B1 EP15189964.8A EP15189964A EP3012403B1 EP 3012403 B1 EP3012403 B1 EP 3012403B1 EP 15189964 A EP15189964 A EP 15189964A EP 3012403 B1 EP3012403 B1 EP 3012403B1
Authority
EP
European Patent Office
Prior art keywords
wedges
housing
cutting tool
faces
flanges
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.)
Not-in-force
Application number
EP15189964.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3012403A1 (fr
Inventor
Salam MOUBARAK
Thomas Camus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NFM Technologies SAS
Original Assignee
NFM Technologies SAS
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 NFM Technologies SAS filed Critical NFM Technologies SAS
Priority to PL15189964T priority Critical patent/PL3012403T3/pl
Publication of EP3012403A1 publication Critical patent/EP3012403A1/fr
Application granted granted Critical
Publication of EP3012403B1 publication Critical patent/EP3012403B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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 present invention relates to a system for fixing a cutting tool on a cutting head of a tunnel boring machine.
  • the invention also relates to a tunnel boring machine comprising a cutting head including cutting tools fixed in the cutting head by means of such fastening systems.
  • Tunnel boring machines usually include a cutting head with knobs, which are circular cutting tools that rotate around an axis and punch the rock in the form of flaking plates. Tunneling machines may also include scraper tools called "rippers".
  • a cutting head thus comprises a plurality of wheels distributed regularly on its surface. Each of the knobs is fixed in a housing on the cutting head most often by a set of screws, wedges and nuts.
  • Such fastening systems manufactured in particular by the company Robbins, generally comprise several detachable elements such as shims for locking in position the wheel, wedge locking screws and possibly clamping nuts. These elements must be disassembled one by one by the operators when changing worn wheels. In some of these systems, the holds are not integral with any other part.
  • WO-2011/076616 discloses a wheel attachment system comprising a bayonet secured to the wheel, and movable in rotation relative to a support of the wheel, between a first position, in which edges of the bayonet are engaged in notches of a housing in which the wheel is mounted, and a second position, wherein the wheel can be extracted from the housing.
  • a preload is applied by means of screws inserted in holes of the bayonet.
  • the invention intends to remedy more particularly by proposing a new system for fixing a cutting tool on a cutting head of a tunnel boring machine, making it possible to replace the cutting tools in a simpler way and faster than the systems of the prior art.
  • the invention relates to a fixing system of a cutting tool on a cutting head of a tunnel boring machine, comprising a housing secured to the cutting head, in which the cutting tool is inserted, the cutting tool comprising two flanges between which is mounted an active part, the fastening system also comprising retractable locking elements captively connected to the flanges and adapted to lock the flanges in the housing, the locking elements being movable relative to the flanges between a first position, wherein the locking elements are engaged in the housing so as to lock the cutting tool in the housing, and a second position, in which the locking elements are disengaged from the housing and allow the extraction of the case cutting tool, characterized in that it comprises moving means integral with the cutting tool adapted for displacement. er translation locking elements between their first position and their second position, and in that these moving means are adapted to be actuated by a single operation.
  • the cutting tool such as a wheel or a ripper
  • the housing by means of locking elements whose movement does not require other means external to the fastening system than key.
  • Disassembly and reassembly of the cutting tools are simple and fast, and can in particular be performed by robots able to control the means of travel.
  • the invention also relates to a tunnel boring machine comprising a cutting head including cutting tools fixed in the cutting head by means of fixing systems as mentioned above.
  • the figure 1 represents a fastening system 100 of a cutting tool, formed by a wheel 1 in this example, on a not shown cutting head of a TBM also not shown.
  • the fastening system 100 comprises a hollow housing 3 fixedly secured to the cutting head, and wherein the wheel 1 is inserted.
  • the housing 3 has a front face 30, of which the wheel 1 protrudes, and intended to be vis-à-vis with a rock wall to dig.
  • the housing 3 comprises a rear face 32, by which the operators have access to the fastening system 100 to disassemble the wheel 1 to be replaced by a new wheel.
  • An axis perpendicular to the front 30 and rear faces 32 defines the longitudinal direction XX 'of the fastening system 100.
  • the qualifiers "front" and "back” are used with reference to the front 30 and rear 32.
  • the wheel 1 comprises two flanges 5 and 6, between which is mounted a rotating part of the wheel 1 comprising a cutting disc 70.
  • This rotating part forms an active part of the cutting tool, adapted to be in contact with the ground and dig it.
  • the flanges 5 and 6 are inserted in corresponding recessed reliefs 340 and 360 formed respectively in an upper wall 34 and a lower wall 36 of the housing 3.
  • the flanges 5 and 6 each have two lateral faces 51 and 61 forming a conical profile of which the shape is complementary with the surfaces of the recessed reliefs 340 and 360. This complementary shape facilitates the insertion and alignment of the wheel 1 in the housing 3.
  • the fastening system 100 further comprises two screws 8 each screwed into a threaded hole in one of the flanges 5 and 6.
  • the disassembly of the wheel does not require the screws 8 of the flanges 5 and 6 to be completely unscrewed and thus all the parts of the fastening system remain integral with each other and the wheel 1 during disassembly and reassembly operations.
  • the screws 8 are mounted along longitudinal axes parallel to the axis X-X '.
  • the fastening system 100 also comprises clamping members 11.
  • a clamping piece 11 is slidably mounted in translation parallel to the axis XX 'on each of the screws 8.
  • the clamping pieces 11 have a generally triangular symmetrical with respect to the axes of the screws 8.
  • a ring 13 is screwed on each of the screws 8.
  • the screws 8 and the rings 13 are integral in translation along the axis X-X '.
  • a head 80 of the screw 8 is accessible from the rear side of each of the clamping pieces 11 so as to form a control operable by an operator or a robot performing the disassembly of the wheel 1.
  • the clamping pieces 11 are captive of the screws 8 between the rings 13 and the heads 80, so that when the screws 8 are screwed, the clamping pieces 11 are driven in translation towards the front by the head 80. When unscrewing screws 8, the clamping pieces 11 are driven in translation backwards by the rings 13.
  • the wedges 15 and 16 are mounted on the clamping pieces 11 in sliding connection on inclined faces 110 and 111 with respect to the longitudinal axis of the screws 8, the shims 15 and 16 being free in translation along the inclined faces 110 and 111.
  • the wedges 15 and 16 have a generally parallelepiped shape.
  • the slide connection between the wedges 15 and 16 and the inclined faces 110 and 111 is formed by the sliding between rails 113 of the inclined faces 110 and 111 and grooves provided in the wedges 15 and 16 whose shape is complementary to that of the rails 113.
  • the wheel 1 When the wheel 1 is extracted, it forms a single block with the screws 8, the clamping pieces 11, the rings 13 and the shims 15 and 16. None of these parts need to be disconnected. which simplifies the extraction of wheel 1 and avoids the risk of loss.
  • the recessed reliefs 340 and 360 comprise lateral notches 370 symmetrical with respect to a median plane Pm of the casing 3, passing through the axis X-X ', perpendicular to the walls 34 and 36 and to the faces 30 and 32.
  • the notches 370 have a parallelepipedal shape complementary to the shape of the wedges 15 and 16, and the wedges 15 and 16 are able to fit into the notches 370.
  • the plane faces 150 and 160 of the shims 15 and 16 form with respect to the median plane Pm an angle of between 30 and 60 degrees.
  • the disassembling operation of the wheel 1 is carried out as follows.
  • the operation is to unscrew the screws 8 flanges 5 and 6 through the heads 80, so as to initiate a translational movement of the clamping members 11 towards the rear of the fastening system 100, as shown by the arrow F1 .
  • the support of the rectilinear faces 150 and 160 against the faces 372, as well as the freedom in translation of the wedges 15 and 16 with respect to the inclined faces 110 and 111 leads to the shims 15 and 16 in translation on the rails 113, as shown by the arrows F2.
  • the screws 8, the rings 13 and the clamping pieces 11 thus form means for moving the shims 15 and 16 between their position engaged in the notches 370 and their position disengaged from the notches 370.
  • the displacement means are integral with the wheel 1 , and disassembly or reassembly operations do not require external means other than a key to obtain the displacement of shims 15 and 16.
  • the heads 80 of the screws 8 form commands for the displacement means of the wedges 15 and 16, operable in a single operation, that is to say using a single type of movement, here a rotation, achievable by a single tool.
  • This allows an operator, or advantageously a robot, to easily obtain the locking of the wheel 1 in the housing 3 by rotating the screws 8, which results in the translation of the wedges 15 and 16.
  • the fastening system 100 is therefore easy to use because it requires only one operation for disassembly or reassembly of the wheel 1.
  • the figure 3 represents the fastening system 100 during the translational movement of the clamping pieces 11 and shims 15 and 16.
  • the translational movement of the wedges 15 and 16 has the effect of sliding the rectilinear faces 150 and 160 against the faces 372 so that that the shims 15 and 16 are partially disengaged from the notches 370.
  • the wedges 15 and 16 therefore undergo a rectilinear translation with respect to the flanges 5 and 6 and to the housing 3. This rectilinear translation is represented by the arrow F4 to figures 3 and 5 .
  • the wedges 15 and 16 In the second position of the clamping pieces 11, the wedges 15 and 16 abut against the rear faces 53 and 63 of the flanges 5 and 6, which makes it possible to limit the translation towards the median plane Pm of the wedges 15 and 16 and the rearward translation of the clamping pieces 11 relative to the flanges 5 and 6.
  • the shims 15 and 16 comprise for this purpose front plane faces 151 and 161 opposite and parallel to the rectilinear faces 150 and 160, able to lean against the faces 53 and 63, as is visible on the Figures 4 to 6 .
  • the tightening of the screws 8 can cause jamming of the wedges 15 and 16 in the notches 370, between the faces 150 and 160 and the faces 372.
  • the unscrewing of the screws 8 makes it possible to cancel this entrapment by inducing a slight displacement of the flanges 5 and 6 forwards, which causes a clearance between the faces 150 and 160 and the faces 372.
  • the relative sliding between these surfaces can thus take place, and the clearance of the wedges 15 and 16 of the notches 370 to proceed normally.
  • a space E extending along the axis X-X ' exists between the rings 13 and the flanges 5 and 6.
  • This space E allows an additional tightening of the screws 8 in case wear or matting shims 15 and 16 or notches 370.
  • This space allows to continue to effectively tighten the shims 15 and 16 in the notches 370 during the life of the fastening system 100.
  • the unlocking of shims 15 and 16 can be obtained by actuating a common control flanges 5 and 6 allowing simultaneous screwing and unscrewing screws 8 of each flange 5 and 6.
  • the system 100 may comprise a screw 8, a nut 13, a clamping piece 11 and shims 15 and 16 on only one of the flanges 5 and 6.
  • the actuation of the displacement means of the locking elements formed by the wedges 15 and 16 can be obtained by a different operation of screwing or unscrewing the screws 8, for example by the actuation of a lever or any other system capable of driving the clamping members 11 in translation by a single operation.
  • the wheel can be replaced by another type of cutting tool, such as a scraper tool called "ripper".
  • This ripper comprises a scraping part, forming the active part of the ripper, mounted in a base itself mounted between the flanges 5 and 6.
  • the scraping portion can be tilting or fixed relative to the base.

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)
  • Environmental & Geological Engineering (AREA)
  • Milling Processes (AREA)
  • Earth Drilling (AREA)
  • Clamps And Clips (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Connection Of Plates (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
EP15189964.8A 2014-10-16 2015-10-15 Système de fixation d'un outil de coupe sur une tête de coupe de tunnelier et tunnelier comprenant un tel système de fixation Not-in-force EP3012403B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15189964T PL3012403T3 (pl) 2014-10-16 2015-10-15 System mocowania narzędzia skrawającego do głowicy urabiającej maszyny drążącej tunele i maszyna drążąca tunele zawierająca taki system mocowania

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1459948A FR3027337A1 (fr) 2014-10-16 2014-10-16 Systeme de fixation d'une molette sur une tete de coupe de tunnelier et tunnelier comprenant un tel systeme de fixation

Publications (2)

Publication Number Publication Date
EP3012403A1 EP3012403A1 (fr) 2016-04-27
EP3012403B1 true EP3012403B1 (fr) 2017-12-06

Family

ID=52007170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15189964.8A Not-in-force EP3012403B1 (fr) 2014-10-16 2015-10-15 Système de fixation d'un outil de coupe sur une tête de coupe de tunnelier et tunnelier comprenant un tel système de fixation

Country Status (10)

Country Link
EP (1) EP3012403B1 (es)
AU (1) AU2015238845B2 (es)
DK (1) DK3012403T3 (es)
ES (1) ES2661960T3 (es)
FR (1) FR3027337A1 (es)
HK (1) HK1218147A1 (es)
NO (1) NO3012403T3 (es)
PL (1) PL3012403T3 (es)
SG (1) SG10201508227QA (es)
TR (1) TR201802862T4 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10480318B2 (en) * 2017-05-18 2019-11-19 The Robbins Company Cutter housing with inline mounting
CN110080788B (zh) * 2019-06-06 2024-09-20 中国铁建重工集团股份有限公司 一种盾构机滚刀刀箱装置
DE102019123630B3 (de) * 2019-09-04 2020-08-13 Herrenknecht Aktiengesellschaft Vorrichtung zum Halten einer Schneidrolle, Schneidrad mit einer Vorrichtung zum Halten einer Schneidrolle und Tunnelbohrmaschine mit einem eine Vorrichtung zum Halten einer Schneidrolle aufweisenden Schneidrad

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU523508B2 (en) * 1979-08-07 1982-07-29 Robbins Company, The Roller cutter mounts
AT399750B (de) * 1993-06-22 1995-07-25 Voest Alpine Bergtechnik Einrichtung zum befestigen von disken einer tunnelvortriebsmaschine
US5577565A (en) * 1995-06-29 1996-11-26 Boretec, Inc. Compact roller cutter
AU2010335304B2 (en) * 2009-12-22 2015-12-17 Bouygues Travaux Publics Method for replacing a tunnel boring machine disk cutter, handling device and disk cutter suited to such a method
DE102011114830B3 (de) * 2011-10-05 2013-03-07 Herrenknecht Ag Vorrichtung zum Überwachen des Drehzustandes einer Schneidrollenanordnung einer Schildvortriebsmaschine und Schneidrollenanordnung für eine Schildvortriebsmaschine
FR3012843B1 (fr) * 2013-11-04 2018-10-26 Bouygues Travaux Publics Porte-outil de coupe pour un tunnelier et ensemble de coupe associe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
SG10201508227QA (en) 2016-05-30
EP3012403A1 (fr) 2016-04-27
NO3012403T3 (es) 2018-05-05
DK3012403T3 (en) 2018-03-05
TR201802862T4 (tr) 2018-03-21
AU2015238845A1 (en) 2016-05-19
AU2015238845B2 (en) 2016-10-13
ES2661960T3 (es) 2018-04-04
HK1218147A1 (zh) 2017-02-03
FR3027337A1 (fr) 2016-04-22
PL3012403T3 (pl) 2018-06-29

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