EP1598161B1 - Maschine zum Schneiden von Steinblöcken oder Betonteilen - Google Patents

Maschine zum Schneiden von Steinblöcken oder Betonteilen Download PDF

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Publication number
EP1598161B1
EP1598161B1 EP04425291A EP04425291A EP1598161B1 EP 1598161 B1 EP1598161 B1 EP 1598161B1 EP 04425291 A EP04425291 A EP 04425291A EP 04425291 A EP04425291 A EP 04425291A EP 1598161 B1 EP1598161 B1 EP 1598161B1
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EP
European Patent Office
Prior art keywords
cutting
machine according
arms
machine
cutting machine
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
Application number
EP04425291A
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English (en)
French (fr)
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EP1598161A1 (de
Inventor
Marco Terzo Pellegrini
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.)
Pellegrini Meccanica SpA
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Pellegrini Meccanica SpA
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Priority to ES04425291T priority Critical patent/ES2267030T3/es
Priority to AT04425291T priority patent/ATE329738T1/de
Priority to EP04425291A priority patent/EP1598161B1/de
Priority to DE602004001218T priority patent/DE602004001218T2/de
Publication of EP1598161A1 publication Critical patent/EP1598161A1/de
Application granted granted Critical
Publication of EP1598161B1 publication Critical patent/EP1598161B1/de
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Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/08—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with saw-blades of endless cutter-type, e.g. chain saws, i.e. saw chains, strap saws

Definitions

  • the present invention relates to a machine for cutting blocks of stone material or concrete manufactured products according to the preamble of claim 1.
  • machine which forms the subject matter of the present invention can be used to cut any block of stone material or any concrete manufactured product, it is preferably intended for use for cutting precast reinforced concrete manufactured products.
  • precast reinforced concrete pipes or beams such as those used to build warehouses, bridges, etc., to which specific references are made below.
  • Such beams are normally produced by casting the concrete in a mould in which the metal reinforcement was previously prepared.
  • Very long beams (for example around 100 - 150 m) are normally produced, which must then be cut into lengths corresponding to the requirements of the end user.
  • a first technique involves substantially manual cutting, using a machine with a disk for cutting concrete and an oxy-hydrogen flame for cutting metal parts.
  • the second technology involves the use of a machine consisting mainly of two opposite vertical cutter disks positioned transversally to the direction in which the beam extends.
  • the machine is very large since, for mechanical strength reasons, only around one third of the height of each disk can actually be used for cutting.
  • the beam in order to cut it, the beam must be lifted off the ground, which is not easy considering the size of the beam.
  • this machine only allows the beam to be cut according to vertical cutting planes perpendicular to the direction in which the beam extends.
  • Patents US 3,158,146 and US 5,173,250 also describe two machines respectively for cutting blocks of stone material and walls of nuclear reactors, although not suitable for cutting precast beams made of reinforced concrete or the like.
  • the technical need which forms the basis of the present invention is to provide a machine for cutting blocks of stone material or concrete manufactured products which overcomes the above-mentioned disadvantages.
  • the technical need of the present invention is to provide a machine for cutting blocks of stone material or concrete manufactured products which has limited dimensions and minimised operating cost.
  • a further technical need of the present invention is to provide a machine for cutting blocks of stone material or concrete manufactured products which allows a precast beam to be cut according to any predetermined profile.
  • Another technical need of the present invention is to provide a machine for cutting blocks of stone material or concrete manufactured products which guarantees greater operator safety than the known machines.
  • the numeral 1 denotes as a whole a machine for cutting blocks 2 of stone material or concrete manufactured products in accordance with the present invention.
  • the machine 1 comprises a supporting structure 2 consisting of two vertical uprights 3 distanced from one another and a crosspiece 4 rigidly connected on top of the two uprights 3.
  • each vertical upright 3 it also comprises a base 5 and an angled stiffening element 6 connected between the base 5 and the zone at which the upright 3 and the crosspiece 4 join.
  • the machine 1 also comprises at least one horizontal track 7 on which the supporting structure 2 is slidably mounted on wheels 8.
  • the structure is also operatively connected to drive means 9 (of the known type) so that when the command is given the structure moves along the track 7.
  • FIG. 1 Under the crosspiece 4 of the supporting structure 2 there is a zone 10 for positioning an element to be cut, which in the embodiment illustrated in Figure 1 consists of a reinforced concrete beam 11 ( Figure 1 also schematically illustrates the mould 12 for the beam 11) resting on its own supporting element 13.
  • a wire cutting device 14 is slidably mounted on the supporting structure 2 according to a vertical sliding direction.
  • the machine 1 comprises a carriage 15 slidably connected, at its ends, to the vertical uprights 3, and at least one thrust block 16 rotatably connected under the carriage 15 and supporting the cutting device 14, which can therefore rotate relative to the supporting structure 2 about a substantially vertical axis of rotation (Figure 2 illustrates two possible cutting device 14 angles with dashed lines).
  • the carriage 15 is operatively connected to drive means 17 which move the cutting device 14 vertically relative to the structure 2, whilst the thrust block 16 is operatively connected to rotation means 18 which, when the command is given, cause the cutting device 14 to rotate, again relative to the supporting structure 2.
  • the cutting device 14 has at least one driving pulley 19, at least two idle return pulleys 20 coplanar with the driving pulley 19, and a cutting wire 21 which runs along a looped path formed by the driving pulley 19 and the idle pulleys 20. In the embodiment illustrated there are also two additional return pulleys 22.
  • the idle pulleys 20 form between them an operating section 23 along the path of the cutting wire 21, where the element to be cut is cut.
  • the cutting device 14 also has at least two arms 24 which mainly extend vertically and are capable of reciprocal movement according to a substantially horizontal direction parallel with the plane in which the cutting wire 21 lies.
  • each arm 24 is illustrated in a closed position and in an open position.
  • One of the idle pulleys 20 is rotatably connected to each arm 24, at one end of the arm 24 close to the operating section 23.
  • the looped path of the cutting wire 21 has two secondary sections 25 extending mainly vertically.
  • the secondary sections 25 and the operating section 23 form an offshoot of the path of the cutting wire 21 which extends towards the positioning zone 10, and which allows the cutting device 14 to be inserted in the space in the mould 12.
  • the secondary sections 25 extend substantially parallel with the arms 24, or within the maximum dimensions of the arms 24.
  • each arm 24 can rotate about an axis of rotation substantially perpendicular to the plane in which the cutting wire 21 lies and distanced from the axis of rotation of the idle pulleys 20. In the embodiment illustrated this axis of rotation passes through the end of the arm 24 opposite that supporting the idle pulley.
  • Tensioning means 26 consisting of two actuators, are operatively connected to each arm 24 to make it rotate and so tension the cutting wire 21.
  • the distance between the two arms 24 is determined by spacer means 27 also consisting of two actuators.
  • spacer means 27 also consisting of two actuators.
  • the cutting device 14 has a telescopic shape.
  • Figure 2 shows how the track 7 also extends mainly perpendicular to the plane in which the structure 2 lies.
  • the machine 1 also comprises a programmable electronic control unit 28 operatively connected to the mobile parts of the machine 1 to control their movements.
  • control unit 28 allows simultaneous activation of the drive means 17, the rotation means 18, the tensioning means 26, the spacer means 27, the driving pulley 19 and the drive means 9.
  • beams can be cut and ends shaped as required can be created on the individual lengths.
  • the machine 1 can cut both horizontally and vertically and according to angled or curved cutting planes or surfaces, as required.
  • the machine 1 when intended for cutting reinforced concrete, the machine 1 preferably also comprises a system 28 for detecting the machine 1 absorbed power during a cutting operation, operatively connected to the control unit 28.
  • the control unit 28 is in turn programmed to vary the cutting device 14 speed of vertical movement according to the machine 1 absorbed power, in particular reducing the speed of movement when the machine 1 absorbed power increases.
  • the speed of forward movement may be higher when cutting concrete (step during which power absorption is relatively low) whilst it must be lower when cutting metal (step during which power absorption is relatively high).
  • the detection system 28 measures the electrical current absorbed by the machine 1 (which, the power supply voltage being equal, is proportional to the power).
  • Machine 1 operation is immediately derived from the above description.
  • the idle pulleys 20 are kept as close as possible to the element to be cut, at the same time guaranteeing correct tensioning of the cutting wire 21, by operating appropriately on the rotation and distancing of the arms 24 from one another.
  • the present invention brings important advantages.
  • the machine for cutting blocks of stone material or concrete manufactured products disclosed has limited dimensions and a minimised operating cost, thanks to the high cutting speeds, much greater than can be achieved with manual cutting.
  • the machine allows cuts to be made according to any predetermined profile.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Claims (14)

  1. Maschine zum Schneiden von Steinblöcken oder aus Beton hergestellten Produkten, enthaltend:
    - eine Trägerstruktur (2) mit wenigstens zwei vertikalen Ständern (3), die voneinander abstehend sind, und einen Querbalken (4), starr angeschlossen an die oberen Enden der beiden Ständer (3);
    - einen Bereich (10) zum Positionieren eines zu schneidenden Elementes, angeordnet unterhalb des Querbalkens (4);
    - eine Drahtschneidevorrichtung (14), gleitbar montiert an der Trägerstruktur (2) nach einer vorgegebenen Gleitrichtung und wenigstens eine Antriebsrolle (19), wenigstens zwei leerlaufende Umlenkrollen (20), koplanar zu der Antriebsrolle (19), und einen Schneiddraht (21) aufweisend, welcher entlang einer durch die Rollen gebildeten, ringförmig geschlossenen Bahn läuft, wobei die leerlaufenden Rollen (20) zwischen sich einen Arbeitsabschnitt (23) entlang der Bahn des Schneiddrahtes (21) bilden;
    - wobei die Schneidvorrichtung (14) ebenfalls wenigstens zwei Arme (24) hat, welche sich vorwiegend vertikal erstrecken und jeder an seinem Ende dicht an dem Arbeitsbereich (23) eine der leerlaufenden Rollen (20) trägt;
    - wobei die Arme (24) in der Lage sind, sich im Verhältnis zueinander nach einer horizontalen Richtung parallel zu der Ebene zu bewegen, in welcher der Schneiddraht (21) liegt;
    - Antriebsmittel (17) zum Erzeugen einer vertikalen Bewegung der Schneidvorrichtung (14) im Verhältnis zu der Struktur;
    wobei die Maschine dadurch gekennzeichnet ist, dass die ringförmig geschlossene Bahn des Schneiddrahtes (21) zwei sekundäre Abschnitte (25) aufweist, die sich vorwiegend vertikal erstrecken, ausgehend von den leerlaufenden Rollen (20) an den Seiten des Arbeitsabschnittes (23), wobei die sekundären Abschnitte (25) und der Arbeitsabschnitt (23) einen Ausläufer der Bahn bilden, der sich zu dem Positionierbereich (10) hin erstreckt.
  2. Schneidmaschine nach Patentanspruch 1, dadurch gekennzeichnet, dass sich die sekundären Abschnitte (25) im wesentlichen parallel zu den Armen (24) erstrecken.
  3. Schneidmaschine nach Patentanspruch 1 oder 2, dadurch gekennzeichnet, dass sich die Schneidvorrichtung (14) im Verhältnis zu der Trägerstruktur (2) um eine im wesentlichen vertikale Drehachse drehen kann.
  4. Schneidmaschine nach Patentanspruch 3, dadurch gekennzeichnet, dass sie ebenfalls einen Schlitten (15) enthält, gleitbar angeschlossen an die vertikalen Ständer (3), und wenigstens ein Drucklager (16), drehbar an den Schlitten (15) angeschlossen und die Schneidvorrichtung (14) tragend.
  5. Schneidmaschine nach Patentanspruch 4, dadurch gekennzeichnet, dass sie ebenfalls Drehmittel (18) enthält, die betrieblich mit dem Drucklager (16) verbunden sind, und welche auf einen Befehl hin das Drehen der Schneidvorrichtung (14) bewirken.
  6. Schneidmaschine nach einem beliebigen der vorstehenden Patentansprüche, dadurch gekennzeichnet, dass, wenn der Befehl ausgegeben ist, sich jeder der Arme (24) um eine Drehachse drehen kann, die im wesentlichen lotrecht zu der Ebene verläuft, in welcher der Schneiddraht (21) liegt, und die einen Abstand von der Drehachse der leerlaufenden Rollen (20) hat.
  7. Schneidmaschine nach Patentanspruch 6, dadurch gekennzeichnet, dass sie ebenfalls Spannmittel (26) enthält, betrieblich angeschlossen an die Arme (24), welche das Drehen der Arme bewirken und den Schneiddraht (21) spannen.
  8. Schneidmaschine nach einem beliebigen der vorstehenden Patentansprüche, dadurch gekennzeichnet, dass sie ebenfalls wenigstens ein Gleis (7) enthält, das sich vorwiegend lotrecht zu der Ebene erstreckt, die durch die Trägerstruktur (2) beschrieben wird, welche gleitbar auf dem Gleis montiert ist.
  9. Schneidmaschine nach Patentanspruch 8, dadurch gekennzeichnet, dass sie ebenfalls Antriebsmittel (9) enthält, betrieblich angeschlossen an die Trägerstruktur, so dass diese bei Aussenden eines Befehls entlang dem Gleis (7) bewegt wird.
  10. Schneidmaschine nach einem beliebigen der vorstehenden Patentansprüche, dadurch gekennzeichnet, dass sie eine programmierbare elektronische Steuereinheit (28) enthält, betrieblich angeschlossen an die beweglichen Teile der Maschine zum Steuern von deren Bewegung.
  11. Schneidmaschine nach den Patentansprüchen 5, 7, 9 und 10, dadurch gekennzeichnet, dass die Steuereinheit (28) die gleichzeitige Aktivierung der Antriebsmittel (17), der Umdrehungsmittel (18), der Spannmittel (26), der Antriebsrolle (19), der Arme (24) und der Antriebsmittel (9) erlaubt.
  12. Schneidmaschine nach Patentanspruch 11, dadurch gekennzeichnet, dass sie ebenfalls ein System (28) zum Erfassen der durch die Maschine (1) während eines Schneidvorgangs aufgenommen Leistung enthält, betrieblich angeschlossen an die Steuereinheit (28), wobei die Steuereinheit (28) die Geschwindigkeit der vertikalen Bewegung der Schneidvorrichtung (14) je nach der während des Schneidens durch die Maschine (1) aufgenommene Leistung verändert.
  13. Schneidmaschine nach Patentanspruch 12, dadurch gekennzeichnet, dass das Erfassungssystem (28) den durch die Maschine (1) während des Schneidens aufgenommenen elektrischen Strom misst.
  14. Schneidmaschine nach Patentanspruch 12 oder 13, dadurch gekennzeichnet, dass die Bewegungsgeschwindigkeit reduziert wird, wenn die durch die Maschine (1) während des Schneidens aufgenommene Leistung zunimmt.
EP04425291A 2004-04-29 2004-04-29 Maschine zum Schneiden von Steinblöcken oder Betonteilen Expired - Lifetime EP1598161B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES04425291T ES2267030T3 (es) 2004-04-29 2004-04-29 Maquina para cortar bloques de material lapideo o productos manufacturados de hormigon.
AT04425291T ATE329738T1 (de) 2004-04-29 2004-04-29 Maschine zum schneiden von steinblöcken oder betonteilen
EP04425291A EP1598161B1 (de) 2004-04-29 2004-04-29 Maschine zum Schneiden von Steinblöcken oder Betonteilen
DE602004001218T DE602004001218T2 (de) 2004-04-29 2004-04-29 Maschine zum Schneiden von Steinblöcken oder Betonteilen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04425291A EP1598161B1 (de) 2004-04-29 2004-04-29 Maschine zum Schneiden von Steinblöcken oder Betonteilen

Publications (2)

Publication Number Publication Date
EP1598161A1 EP1598161A1 (de) 2005-11-23
EP1598161B1 true EP1598161B1 (de) 2006-06-14

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ID=34932459

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04425291A Expired - Lifetime EP1598161B1 (de) 2004-04-29 2004-04-29 Maschine zum Schneiden von Steinblöcken oder Betonteilen

Country Status (4)

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EP (1) EP1598161B1 (de)
AT (1) ATE329738T1 (de)
DE (1) DE602004001218T2 (de)
ES (1) ES2267030T3 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2328838T3 (es) * 2005-11-29 2009-11-18 Pellegrini Meccanica S.P.A. Maquina de varios alambres para cortar materiales lapideos.
US8833219B2 (en) 2009-01-26 2014-09-16 Illinois Tool Works Inc. Wire saw
IT1395077B1 (it) 2009-08-13 2012-09-05 Ts R&D S R L Macchina per il taglio di elementi strutturali, quali piloni, travi, putrelle o simili di sostegno di strutture in acciaio, calcestruzzo, acciaio e calcestruzzo, materiali litoidi o simili
US9186805B2 (en) 2011-09-08 2015-11-17 Illinois Tool Works Inc. Wire saw for cutting pipe
US10076797B2 (en) 2013-10-11 2018-09-18 Illinois Tool Works Inc. Cutting apparatus including a wire cutting member
DE102014103271B4 (de) * 2014-03-12 2015-10-01 David Plattner Seilsägevorrichtung und Verwendung einer Seilsägevorrichtung
US10434589B2 (en) 2017-06-09 2019-10-08 Illinois Tool Works Inc. Cutting apparatus including a wire cutting member
IT201700068576A1 (it) * 2017-06-20 2018-12-20 Prussiani Eng S P A Apparato a filo per il taglio di materiale lapideo
KR101953987B1 (ko) * 2017-08-30 2019-03-04 두산중공업 주식회사 원자로 용기의 노즐 절단 장치
CN111605089A (zh) * 2020-06-28 2020-09-01 南通华兴石油仪器有限公司 一种用于制备非常规岩样的循环切割装置
CN114179234B (zh) * 2021-12-31 2023-05-02 江苏宏盛环保科技有限公司 一种便于收集废料的蒸压加气混凝土砌块切块装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3158146A (en) * 1962-05-28 1964-11-24 Granite City Iron Works Co Swinging frame contour wire saw
JP2969222B2 (ja) * 1990-06-07 1999-11-02 清水建設株式会社 原子炉の生体遮蔽コンクリート壁の解体装置および原子炉の生体遮蔽コンクリート壁の解体工法
FR2725931A1 (fr) * 1994-10-20 1996-04-26 Dg Construction Procede et dispositif pour couper une surface dans un bloc de matiere et machine comprenant un tel dispositif

Also Published As

Publication number Publication date
ATE329738T1 (de) 2006-07-15
DE602004001218T2 (de) 2007-06-14
DE602004001218D1 (de) 2006-07-27
EP1598161A1 (de) 2005-11-23
ES2267030T3 (es) 2007-03-01

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