EP1486620B1 - Fräswerkzeug zur Herstellung von Schlitzen, das ein schnelles Wechseln des Schneidekopfes zulässt. - Google Patents

Fräswerkzeug zur Herstellung von Schlitzen, das ein schnelles Wechseln des Schneidekopfes zulässt. Download PDF

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Publication number
EP1486620B1
EP1486620B1 EP04291449A EP04291449A EP1486620B1 EP 1486620 B1 EP1486620 B1 EP 1486620B1 EP 04291449 A EP04291449 A EP 04291449A EP 04291449 A EP04291449 A EP 04291449A EP 1486620 B1 EP1486620 B1 EP 1486620B1
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EP
European Patent Office
Prior art keywords
cutting tool
motor assembly
tool according
plate
cutter members
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.)
Active
Application number
EP04291449A
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English (en)
French (fr)
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EP1486620A1 (de
Inventor
Philippe c/o COMPAGNIE DU SOL Chagnot
Fabrice c/o Compagnie du Sol Mathieu
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.)
Compagnie du Sol SARL
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Compagnie du Sol SARL
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 Compagnie du Sol SARL filed Critical Compagnie du Sol SARL
Priority to PL04291449T priority Critical patent/PL1486620T3/pl
Publication of EP1486620A1 publication Critical patent/EP1486620A1/de
Application granted granted Critical
Publication of EP1486620B1 publication Critical patent/EP1486620B1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/3604—Devices to connect tools to arms, booms or the like
    • E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/13—Foundation slots or slits; Implements for making these slots or slits
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
    • E02F3/205—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels with a pair of digging wheels, e.g. slotting machines
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/08—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging wheels turning round an axis

Definitions

  • the present invention relates to a milling tool for making trenches.
  • excavation machines For the excavation of trenches in the ground in order to produce molded walls, excavation machines known as strawberries are known. They comprise a frame suspended at the end of lifting means, this frame being provided at its lower end with two wheels driven by hydraulic motors and provided with teeth distributed on two drums with horizontal axes. These teeth have the role of excavating the ground to turn it into small pieces that can then be transported by suction using a pipe connected to a suction pump and placed on the cutter.
  • Such a milling or excavating tool is described in particular in the European patent EP 262 050 in the name of the plaintiff.
  • the cutter is equipped with two wheels that turn in opposite directions, each wheel having two drums.
  • the wheels as indicated, are rotated by a hydraulic motor or by two hydraulic motors positioned in the central hub of each wheel and arranged at the lower end of the body of the tool.
  • the drums support the teeth that are used to excavate the terrain.
  • teeth For each type of terrain, it is necessary to use teeth adapted to the nature of the terrain to be excavated. Indeed, depending on whether the ground is hard, soft or sticky, the choice of teeth to use and their positioning on the drums is different.
  • the patent FR 2 819 834 describes for example the shape and positioning of teeth to be used in the case of hard ground or sticky terrain.
  • the ground to be excavated is a superposition of layers of rocks of natures and hardnesses different.
  • the cutter has to cross alternating layers of soft rocks then very hard.
  • the problem here is the choice of the type of teeth. Because, as we have already seen, to a type of ground corresponds a type of teeth. Therefore, it would be particularly interesting to be able to change the type of teeth during the same excavation operation to adapt the mill to the ground.
  • a first solution would be to disassemble the drums to which the teeth are attached and then to reassemble other drums to which is fixed another type of teeth.
  • this solution has many disadvantages. As we said, the teeth are firmly fixed, so the successive disassembly and reassembly operations would be long, difficult and risky. Another disadvantage would be the time lost by strawberry users which would imply additional costs to be provided for the excavation operation.
  • the present invention aims to solve this problem by proposing a simple, modular and economical device.
  • the motor assembly is a motor on which the milling members are mounted. It is understood that when changing the cutting head, the removable part comprises the motors and the milling members.
  • the milling tool further comprises suction means secured to the frame, a removable suction nozzle with at least the part of the motor assembly on which the milling members are fixed and means for connecting in a suitable manner. dismountable these two elements. It is understood that the present invention provides connecting means which allow to disassemble the suction nozzle at the same time as the cutting head.
  • the removable fastening means comprise a plate on the underside of which is mounted at least the portion of the motor assembly on which are fixed the milling members. It is understood here that such a plate serves as support for both the motor, the cutters and also the suction nozzle.
  • the lower end of the frame further comprises a plate on which bears the plate associated with the portion of the motor assembly on which the milling member is mounted. It is understood that the interest here lies in the plane support plan which provides the necessary stability when fixing the cutting head to the frame.
  • the relative positioning means and the securing means between the frame and at least the part of the motor assembly on which the milling members are fixed comprise two fixing pins secured to the plate associated with the motor assembly.
  • the axes firstly allow the two plates to be correctly positioned relative to one another, secondly to prevent any relative movement between the two plates and thirdly to fix the two plates in a manner that is easily dismountable.
  • the fixing pin comprises an orifice which passes therethrough and that it is intended to receive a locking member mounted on the frame.
  • the orifices are adapted to receive the locking members.
  • the locking member is a key.
  • a particularly powerful embodiment for the removable attachment is a locking system axes by keying. Said key being positioned in the opening of the axis emerging from the plate associated with the frame.
  • the plate associated with the frame is connected to the lower end of the frame by a pivoting system. It is understood that in this configuration, the cutting head is tilting relative to the frame. There are then several working positions corresponding to different angles of inclination.
  • the plate 14 has on its upper part means for securing the motor assembly 12 with the lower end of the frame.
  • the means consist of two axes in the form of cylindrical metal pins 22 rigidly fixed to the plate 14 symmetrically with respect to the center of the plate 14 and orthogonally to this plate.
  • the lugs 22 further comprise an internal bore 24 which passes horizontally through and has an upper portion 26 conical to facilitate assembly which will be detailed below.
  • a suction nozzle 28 for suction of the cut particles is attached to the center of the lower portion of the plate 14 between the motors.
  • the plate 14 has at its center a cylindrical hole 32 .
  • FIG. 1 and 2 is shown the lower portion of the frame 34 .
  • a metal plate 36 tilting relative to said frame having substantially the same dimensions as the plate 14 associated with the cutting head 10 .
  • the inclination of the plate 36 is controlled by the hydraulic cylinders 38 fixed on said plate.
  • a suction pipe 30 for discharging rock particles cut to the surface.
  • the lower end thereof passes through the plate 36 at its center.
  • two cylindrical orifices 40 having a diameter substantially equal to the diameter of the lugs 22 fixed on the plate 14 associated with the cutting head 10 .
  • These holes 40 are arranged symmetrically with respect to the center of the plate 36 so as to receive the lugs 22 when the two plates are positioned one above the other.
  • Figure 1 shows the frame 34 and the cutting head 10 in the secured position, that is to say in the existing configuration during the excavation operation.
  • the sides of the two plates are parallel in pairs
  • the lugs 22 of the cutting head 10 are positioned in the holes 24 of the plate associated with the frame 36
  • the keys 44 are positioned in the holes 24 of the lugs 22. in order to block any relative movement between the two plates.
  • the hydraulic hoses 46 coming from a surface-mounted winder G are fixed to the frame 34 and their lower ends comprise connectors 48 intended to be connected. to the junction boxes 20 located on the plate 14 associated with the cutting head 10 .
  • the relative arrangement of the end of the frame 34 , the cutting head 10 , the hydraulic fluid supply means and the evacuation means provides a device capable of offering the same functionalities that a non-removable milling tool.
  • disassembly of the cutting head 10 allows a very rapid tool change.
  • disassembly is obtained by actuating cylinders, which greatly facilitates this operation.
  • the engine assembly was constituted by a motor and a torque transmission assembly such as a gearbox so that the engine remains attached to the frame and the torque transmission assembly can be dismounted with the milling members.
  • the cutting head 10 may be mounted on a cutting tool, shown in FIG. 4 , for producing substantially vertical trenches in order to produce molded walls, preferably of great depths, for example at least 20 meters.
  • the cutting tool comprises a tracked vehicle A equipped with a bracket B on which is suspended a milling frame C by means of a cable.
  • Two pairs of horizontal axis milling wheels D driven by hydraulic motors are arranged at the lower end of the milling frame C. These milling wheels are equipped with teeth distributed at the periphery and intended to dig the ground.
  • a hydraulic pump E is also installed on this part of the chassis C , above the milling wheels. This pump makes it possible to suck the particles cut by the cutters and to evacuate them to the surface via the discharge pipe F.

Claims (17)

  1. Fräswerkzeug zur Herstellung von vertikalen Schlitzen, umfassend:
    - einen Träger (B), an dem ein Fräsrahmen (34 ; C) mittels eines Kabels aufgehängt ist,
    - eine Vielzahl von Fräselementen (18), die auf wenigstens einer zylindrischen Fläche angeordnet sind,
    - eine Motoreinheit (12),
    - Mittel zur Energiezufuhr (46) für die Motoreinheit (12),
    dadurch gekennzeichnet, dass es außerdem umfasst:
    - demontierbare Verbindungsmittel (22; 44) für wenigstens einen Teil der Motoreinheit (12), auf dem die Fräselemente (18) befestigt sind, mit dem unteren Ende des Rahmens (34);
    - Mittel zur relativen Positionierung zwischen dem Rahmen (34) und der Motoreinheit (12);
    - Mittel zum Verbinden der Mittel zur Energiezufuhr (46) mit der Motoreinheit (12),
    wodurch wenigstens ein Teil der Motoreinheit (12) mit den Fräseelementen (18) bezüglich des Rahmens (34) der Maschine leicht demontiert werden können.
  2. Fräswerkzeug nach Anspruch 1, dadurch gekennzeichnet, dass die Motoreinheit (12) ein Motor ist, der mit dem Rahmen (34) durch die demontierbaren Verbindungsmittel (22 ; 44) verbunden ist.
  3. Fräswerkzeug nach Anspruch 2, dadurch gekennzeichnet, dass der Motor ein hydraulischer Motor ist.
  4. Fräswerkzeug nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Mittel zur Energiezufuhr hydraulische biegsame Wellen sind.
  5. Fräswerkzeug nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass es außerdem ein Ansaugmittel (30, F), das mit dem Rahmen (34; C) verbunden ist, eine Ansaugdüse (28), die mit wenigstens dem Teil der Motoreinheit (12), auf dem die Fräselemente (18) befestigt sind, demontierbar ist, und ein Mittel zur demontierbaren Verbindung dieser beiden Elemente aufweist.
  6. Fräswerkzeug nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Mittel zur Verbindung der Motoreinheit (12) mit den Mitteln zur Energiezufuhr Verbindungsgehäuse (20) aufweisen.
  7. Fräswerkzeug nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die demontierbaren Verbindungsmittel eine Platte (14) aufweisen, auf deren Unterseite wenigstens der Teil der Motoreinheit (12), der die Fräselemente (18) trägt, befestigt ist.
  8. Fräswerkzeug nach Anspruch 7, dadurch gekennzeichnet, dass das untere Ende des Rahmens (34) außerdem eine Platte (36) aufweist, auf der die Platte (14), die mit wenigstens dem einen Teil der Motoreinheit (12), das die Fräselemente (18) trägt, zum Aufliegen kommt.
  9. Fräswerkzeug nach einem der Ansprüche 7 und 8, dadurch gekennzeichnet, dass die Mittel zur relativen Positionierung und die Verbindungsmittel zwischen dem Rahmen (34) und einem Teil wenigstens der Motoreinheit (12) wenigstens eine Befestigungsachse (22) aufweisen, die auf der Platte (14), die mit dem Teil wenigstens der Motoreinheit (12), das die Fräselemente (18) trägt, verbunden ist.
  10. Fräswerkzeug nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass die Mittel zur relativen Positionierung und die Verbindungsmittel zwischen dem Rahmen (34) und einem Teil wenigstens der Motoreinheit (12) zwei Befestigungsachsen (22) aufweisen, die auf der Platte (14), die mit dem Teil wenigstens der Motoreinheit (12), das die Fräselemente (18) trägt, verbunden ist.
  11. Fräswerkzeug nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, dass das Mittel zur relativen Positionierung zwischen dem Rahmen (34) und dem Teil wenigstens der Motoreinheit (12), das die Fräselemente (18) trägt, wenigstens eine Öffnung (40) aufweist, die auf der mit dem Rahmen (34) verbundenen Platte aufliegt und zur Aufnahme einer Befestigungsachse (22) bestimmt ist.
  12. Fräswerkzeug nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, dass die Befestigungsachse (22) eine Öffnung (24) aufweist, die diese von einer Seite zur anderen durchquert, und dass sie zur Aufnahme eines auf dem Rahmen (34) befestigten Verriegelungselements (44) bestimmt ist.
  13. Fräswerkzeug nach Anspruch 12, dadurch gekennzeichnet, dass das Verriegelungselement (44) durch Motorenmittel (42) angetrieben ist.
  14. Fräswerkzeug nach Anspruch 13, dadurch gekennzeichnet, dass die Motorenmittel wenigstens einen Zylinder (42) aufweisen.
  15. Fräswerkzeug nach einem der Ansprüche 12 bis 14, dadurch gekennzeichnet, dass das Verriegelungselement (44) ein Keil ist.
  16. Fräswerkzeug nach Anspruch 7, dadurch gekennzeichnet, dass die mit dem Rahmen (34) verbundene Platte mit dem unteren Ende des Rahmens (34) durch ein Schwenksystem verbunden ist.
  17. Fräswerkzeug nach Anspruch 16, dadurch gekennzeichnet, dass das Schwenksystem hydraulische Zylinder (38) umfasst.
EP04291449A 2003-06-11 2004-06-10 Fräswerkzeug zur Herstellung von Schlitzen, das ein schnelles Wechseln des Schneidekopfes zulässt. Active EP1486620B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04291449T PL1486620T3 (pl) 2003-06-11 2004-06-10 Narzędzie frezarskie do wykonywania wykopów wąskoprzestrzennych, umożliwiające szybką zmianę głowicy tnącej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0307028 2003-06-11
FR0307028A FR2856088B1 (fr) 2003-06-11 2003-06-11 Outil de fraisage pour la realisation de tranchees, permettant un changement rapide de la tete de coupe

Publications (2)

Publication Number Publication Date
EP1486620A1 EP1486620A1 (de) 2004-12-15
EP1486620B1 true EP1486620B1 (de) 2007-08-22

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EP04291449A Active EP1486620B1 (de) 2003-06-11 2004-06-10 Fräswerkzeug zur Herstellung von Schlitzen, das ein schnelles Wechseln des Schneidekopfes zulässt.

Country Status (11)

Country Link
US (1) US7114271B2 (de)
EP (1) EP1486620B1 (de)
JP (1) JP4503360B2 (de)
KR (1) KR101093292B1 (de)
AT (1) ATE371060T1 (de)
CA (1) CA2470810C (de)
DE (1) DE602004008375T2 (de)
ES (1) ES2293183T3 (de)
FR (1) FR2856088B1 (de)
HK (1) HK1072793A1 (de)
PL (1) PL1486620T3 (de)

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Also Published As

Publication number Publication date
KR101093292B1 (ko) 2011-12-14
PL1486620T3 (pl) 2008-01-31
US20050000122A1 (en) 2005-01-06
EP1486620A1 (de) 2004-12-15
DE602004008375T2 (de) 2008-05-15
KR20040106241A (ko) 2004-12-17
ATE371060T1 (de) 2007-09-15
CA2470810C (en) 2012-08-21
JP4503360B2 (ja) 2010-07-14
ES2293183T3 (es) 2008-03-16
CA2470810A1 (en) 2004-12-11
DE602004008375D1 (de) 2007-10-04
US7114271B2 (en) 2006-10-03
FR2856088A1 (fr) 2004-12-17
FR2856088B1 (fr) 2005-09-09
HK1072793A1 (en) 2005-09-09
JP2005002785A (ja) 2005-01-06

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