EP1870520A1 - Maschine zur Bodenbearbeitung - Google Patents

Maschine zur Bodenbearbeitung Download PDF

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Publication number
EP1870520A1
EP1870520A1 EP06291039A EP06291039A EP1870520A1 EP 1870520 A1 EP1870520 A1 EP 1870520A1 EP 06291039 A EP06291039 A EP 06291039A EP 06291039 A EP06291039 A EP 06291039A EP 1870520 A1 EP1870520 A1 EP 1870520A1
Authority
EP
European Patent Office
Prior art keywords
mast
machine
maneuvering
ground
tube
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.)
Withdrawn
Application number
EP06291039A
Other languages
English (en)
French (fr)
Inventor
Jacky Husqvarna Belgium S.A. Chabrier
Sylvain Husqvarna Belgium S.A. Gauthier
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.)
Husqvarna Belgium SA
Original Assignee
Husqvarna Belgium SA
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 Husqvarna Belgium SA filed Critical Husqvarna Belgium SA
Priority to EP06291039A priority Critical patent/EP1870520A1/de
Priority to US11/765,506 priority patent/US7686402B2/en
Publication of EP1870520A1 publication Critical patent/EP1870520A1/de
Withdrawn legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/09Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
    • E01C23/0906Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges
    • E01C23/0926Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters
    • E01C23/0933Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges with power-driven tools, e.g. vibrated, percussive cutters rotary, e.g. circular-saw joint cutters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/04Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
    • B28D1/045Sawing grooves in walls; sawing stones from rocks; sawing machines movable on the stones to be cut

Definitions

  • the invention relates to a machine for machining the ground. It finds application in the field of the work of soils, roads or slabs of concrete or others.
  • ground machine shall be understood to include any machine for working or machining the ground, such as, for example, a floor saw, a concrete planer, or the like.
  • the following description is more particularly based on a floor saw, but it can be applied in the same way to all the machines to machine the ground.
  • a floor saw comprising a secondary chassis resting on the ground by means of wheels and which is mobile by rolling on the ground.
  • the floor saw also comprises a main frame supporting a circular saw and which is movable between a standby position and a sawing position and vice versa by rotation with respect to the subframe.
  • the circular saw cuts the ground when the main frame is in the sawing position.
  • An operating frame secured to the secondary chassis extends substantially vertically with respect to the ground and comprises at its upper part a flywheel which controls the movement of the main frame by means of drive means which allow the passage of the position waiting at the sawing position or vice versa.
  • handles that allow the user to maneuver the floor saw.
  • These handles are attached to the operating frame by means of screw-nut systems that allow a slight movement of the handles to allow a potential user to adapt the position of the handles to its familiaence.
  • the floor saw allows the adjustment of the handles to the tortence of each of the potential users, but it is not possible to adapt the height of the steering wheel to each of them, causing inconvenience in the use of the floor saw.
  • An object of the present invention is to propose a machine for machining the ground which does not have the disadvantages of ground-level machines of the state of the art and which makes it possible to adjust the height of the steering wheel according to the tortence of the machine. 'user.
  • the maneuvering mast consists of a lower tube secured to the secondary frame and an upper tube secured to said upper plate and movable relative to said lower tube.
  • the lower tube and the upper tube are mounted telescopically relative to each other.
  • the lower tube comprises a slot through which said drive pad passes.
  • said light has an oblong shape whose axis is parallel to said main axis.
  • the shaft comprises an inner recess whose dimensions are at least greater than the dimensions of said second means.
  • the ground machine comprises locking means of the upper tube relative to the lower tube.
  • the machine for machining the ground comprises handles integral with the maneuvering mast.
  • said handles are mounted on said maneuvering mast by means of an angular and / or lateral adjustment device.
  • the secondary chassis 104 is mounted on a set of wheels, generally four. Two wheels 114 are mounted at the front of the secondary chassis 104 and two wheels 112 are mounted at the rear of the same chassis. The secondary chassis 104 can thus be moved in translation by rolling on the ground 118.
  • the main frame 106 carries a motor 108 which carries and drives a circular saw type machining device 110 (shown here in phantom).
  • the main frame 106 is rotatable relative to the secondary frame 104 between a standby position, shown in FIG. 1, and a machining position, particularly sawing, shown in FIG. 3 and vice versa.
  • the axis of rotation 116 of the main frame 106 is, in the embodiment of FIG. 1, coincides with the axis of rotation of the rear wheels 112.
  • the maneuvering mast 102 is secured to the secondary frame 104 and extends along a main axis 160 which is substantially vertical with respect to the ground 118. This maneuvering mast 102 receives control elements which are necessary for a The user may manipulate the floor saw 100.
  • the maneuvering mast 102 includes drive means 134 for moving the main frame 106 from the standby position to the sawing position and vice versa.
  • the axis of rotation 116 of the main frame 106 and the axis of rotation of the rear wheels 112 are concurrent with the main axis 160.
  • the maneuvering mast 102 is adapted to allow the height adjustment of the actuating means 120 along the main axis 160.
  • the actuating means 120 which here takes the form of a flywheel, is mounted on an upper plate 622 (FIG 6) which is arranged at the top of the operating mast 102.
  • the actuating means 120 allows the user to operate the drive means 134 and thus move the main frame 106 from the waiting position to the sawing position and vice versa.
  • the drive means 134 allow the position of the main frame 106 to be changed, but they are also adapted to allow height adjustment of the actuating means 120 along the main axis 160.
  • This particular arrangement thus makes it possible to adapt the height of the control elements fixed on the maneuvering mast 102, in particular that of the actuating means 120, as a function of the diverence of each potential user.
  • the fact that the maneuvering mast 102 is secured to the secondary frame 104 further makes it possible to guarantee that the passage from the waiting position to the sawing position and vice versa does not entail any change in the height of the control and in particular to that of the actuating means 120.
  • the maneuvering mast 102 consists of a lower tube 146 secured to the secondary frame 104 and an upper tube 144 secured to the upper plate 622.
  • the lower tube 146 is thus stationary while the tube upper 144 can move in translation along the main axis 160 relative to the lower tube 146.
  • the height adjustment of the actuating means 120 is guided by a telescopic mounting of the lower tube 146 relative to the upper tube 144.
  • Fig. 4 represents an enlargement of the junction zone between the lower tube 146 and the upper tube 144.
  • the upper tube 144 is secured to a locking sleeve 402 on which are mounted two eyelets 414.
  • the locking sleeve 402 whose form wife that of the lower tube 146 extends radially over substantially the entire perimeter of the lower tube 146.
  • the locking sleeve 402 thus has the shape of a tubular arc, each end of which is provided with an eyelet 414 so that the two eyelets 414 are vis-à-vis when the upper tube 144 and the lower tube 146 are assembled.
  • a screw-nut system can then be put in place in the eyelets 414 and the tightening of this system causes the clamping sleeve 402 to be tightened on the lower tube 146 and thus the locking in translation of the upper tube 144 relative to the lower tube 146
  • the locking sleeve 402, the eyelets 414 and the screw-nut system constitute locking means of the upper tube 144 relative to the lower tube 146.
  • the locking means of the upper tube 144 relative to the lower tube 146 may consist of a cam device or a pin, or the like.
  • Fig. 4 also shows an enlargement of the drive means 134 of FIG. 1.
  • the shaft 136 extends along the main axis 160 and one of its ends is integral with the actuating means 120.
  • the interface 404 is locked in translation relative to the lower tube 146 and is free to rotate about the main axis 160.
  • the locking in translation and the freedom of rotation are provided by the establishment of a circlip 412 which comes wedging a shoulder of the interface 404 against a shoulder of an abutment sleeve 410 rigidly connected to the upper end of the lower tube 146.
  • the interface 404 also comprises, at one of these ends, sliding means 406 which cooperate with the shaft 136 to produce a slide connection between them.
  • the sliding means 406 may, for example, take the form of a ring whose central bore has the shape of a right prism.
  • the shaft 136 then has the same section as that of the bore and thus forms a right prism along the main axis 160.
  • the interface 404 has the general shape of a cylinder whose axis coincides with the main axis 160.
  • the first means 408 is preferably disposed at the other end of the interface 404 and here takes the form of a nut whose axis coincides with the main axis 160.
  • the second means 138 also forming a thread is locked in rotation and it can move in translation parallel to the main axis 160. This translational movement is achieved by the cooperation between the threading of the second means 138 and the thread of the first means 408.
  • the second means 138 here takes the form of a threaded rod.
  • the lower plate 140 is secured to the second means 138 and constrained to move only in translation along the main axis 160, for example, either because of its shape in the lower tube 146, or because of the existence of a light 302 whose function will be described below.
  • the lower plate 140 is also integral with the drive pad 142 which extends orthogonally to the main axis 160.
  • Each arm 126 is mounted between the drive pad 142 and the main frame 106. More specifically, one end of each arm 126 is rotatably mounted on the drive pad 142 and the other end of each arm 126 is rotatably mounted on the main frame 106. In the embodiment of FIG. 1, the mounting on the main frame 106 is effected via an axis 130 mounted on an outgrowth 128 of the main frame 106. The protrusion is disposed in front of the axis of rotation 116 of the main frame, each arm 126 therefore extends forward of the axis of rotation 116.
  • the elements constituting the drive means 134 are disposed inside the maneuvering mast 102 with the exception of the arm or arms 126.
  • Fig. 7 shows a section of the maneuvering mast 102 at the bottom plate 140. Inside the lower tube 146 there is the bottom plate 140 and the drive pad 142 and, outside the lower tube 146, two arms 126.
  • the drive pad 142 protrudes on either side of the lower tube 146 by the slots 302 made in the wall of the lower tube 146. In the case where there is only one arm 126, the stud drive 142 will only pass one side of the lower tube 146 and only one light 302 will be sufficient. Maintaining an arm 126 on the drive pad 142 is effected by sandwiching the arm 126 between a shoulder formed on the drive pad 142 and a circlip 702.
  • the light 302 which is best seen in FIG. 3, has an oblong shape whose axis is parallel to the main axis 160.
  • the dimensions of the light 302 are such that the fit between the light 302 and the drive pad 142 is a fair slip fit.
  • FIG. 1 shows the floor saw 100 when the actuating means 120 is in the down position
  • FIG. 2 shows the floor saw 100 when the actuating means 120 is in the up position
  • Fig. 4 represents an enlargement of the drive means 134 in the position of the Fig. 1
  • FIG. 5 shows an enlargement of the drive means 134 in the position of FIG. 2.
  • the user who wishes to adjust the height of the actuating means 120 from the low position to reach the high position must first loosen the locking sleeve 402 which has the effect of releasing the translational movement between the tube 146 and the upper tube 144.
  • the user can then move the upper tube 144 so that the actuating means 120 reaches the desired position, for example the position of FIG. 5, then, by tightening the locking sleeve 402, the lower tube 146 and the upper tube 144 are again secured and fixed relative to each other.
  • the shaft 136 being integral with the actuating means 120, the displacement of the latter causes the displacement of the shaft 136, which is not impeded in its displacement by the interface 404 because of the existence of a sliding connection between the latter and the shaft 136.
  • the shaft 136 slides on the interface 404 at the sliding means 406 of the interface 404.
  • the displacement of the actuating means 120 can therefore be very important. the length of the shaft 136 and, as explained below, the operation of the floor saw 100 is guaranteed as the shaft 136 cooperates with the sliding means 406 of the interface 404.
  • each of the other elements constituting the drive means 134 remains in its initial position.
  • FIG. 3 shows the same floor saw 100 as that of FIG. 1 but in the sawing position, that is to say in a position where the circular saw 110 is lowered to come into contact with the ground 118 to be cut.
  • the rotation of the flywheel 120 drives the shaft 136 in rotation because these two elements are integral.
  • the shaft 136 and the sliding means 406 of the interface 404 the latter is also rotated about the main axis 160 and, consequently, the first way 408 also turns.
  • This latter rotation and the fact that the second means 138 can not rotate imply that the latter moves in translation along the main axis 160.
  • the downward movement of the second means 138, and therefore the lower plate 140, and of the drive shaft 142 which is secured thereto, causes the end of each arm 126 connected to the drive shaft 142 to move downwards.
  • the lifting of the main frame 106 to the waiting position is performed in reverse, by raising the end of each arm 126 and draw on the main frame 106.
  • the shaft 136 and the second means 138 occupy a common space and to prevent them coming into contact, the shaft 136 is hollow and thus comprises an inner recess 416 whose dimensions are at least greater than the dimensions of the second means 138, that is to say the diameter when the second means 138 takes the form of a threaded rod.
  • Fig. 6 shows the top of the maneuvering mast 102 to which is attached the actuating means 120.
  • Two handles 122 are provided to allow the user to direct the ground saw 100.
  • Each handle 122 comprises an axis 620 which is fixed to a bracket 604 itself fixed to the upper tube 144. This arrangement makes it possible to adjust the height of the handles 122 at the same time as the height of the actuating means 120. Each handle 122 is thus secured to the maneuvering mast 102.
  • an angular and / or lateral adjustment device 124 can be provided between the handles 122 and the upper tube 144.
  • This angular and / or lateral adjustment device 124 comprises two jaws 606a and 606b, a first device for attaching the jaws 606a, 606b to each other and a second device for fixing the jaws 606a, 606b to each other.
  • the first device for fixing the jaws 606a and 606b comprises two cylinders 608a and 608b, a screw 610 and a nut 624.
  • Each cylinder 608a, respectively 608b, is integral with one of the jaws 606a, respectively 606b.
  • the screw 610 passes through the two cylinders 608a and 608b and the nut comes to tighten these against the head of the screw 610.
  • the second device for fixing the jaws 606a, 606b comprises two cylinders 612a and 612b and a screw 614.
  • Each cylinder 612a, respectively 612b, is integral with one of the jaws 606a, respectively 606b.
  • the screw 614 passes freely through the first cylinder 612a and is screwed inside the second cylinder 612b which is, for this purpose, provided with a thread.
  • a clamping handle 616 is provided to assist in the handling of this screw 614.
  • the jaws 606a and 606b enclose a tube 618, each end of which is integral with the axis 620 of one of the handles 122.
  • the first fixing device and the second fixing device are arranged on either side of the tube 618.
  • the tube 618 is inserted between the jaws 606a and 606b and the first fixing device and the second fixing device are tightened.
  • the user loosens the screw 614 provided with the clamping handle 616, then he positions the handles 122 according to his choice by rotation about the axis of the tube 618, then he tightens the screw 614 provided with the clamping handle 616.
  • the lateral adjustment of the handles 122 requires that the length of the jaws 606a and 606b be less than the length of the tube 618. Thus, a clearance parallel to the axis of the tube 618 is possible when the screw 614 is loosened.
  • Each jaw 606a, 606b here takes the form of a hexagon portion to promote the holding in position of the tube 618 which also takes the form of a hexagon, and therefore the handles 122 when the jaws 606a and 606b are tightened.
  • the jaws 606a and 606b and the tube 618 can take other forms complementary to each other and preferably comprising sharp edges to ensure the rotational locking of the handles 122 in the jaws 606a and 606b.
  • the upper tube 144 and the lower tube 146 are shown as having a circular section, but they may have a square, rectangular, oval, or other section.
  • the upper tube 144 and the lower tube 146 may assume such shapes that the handles 122 may be positioned at the front or rear of the main axis 160.
  • Such shapes oval, rectangular are not circular but are symmetrical with respect to a plane containing the main axis 160 and parallel to the axis of rotation 116 of the main frame 106.
  • Fig. 8 represents a second embodiment of the invention in which the elements common to the first embodiment of FIGS. 1 to 3 bear the same references.
  • the axis 816 which is the axis of rotation of the main frame 106 and the axis 818 which is the axis of rotation of the rear wheels 812 are not confused. In addition, none of these axes 816 and 818 is concurrent with the main axis 160.
  • the invention is more particularly described in the case where the arms which operate the main frame are arranged in front of the axis of rotation of the main frame, but it is possible that the arms are arranged behind the axis of rotation of the frame. main.
  • the lowering of the main frame is due to an uprising of the lower plate and its lifting to a lowering of the lower plate.
  • the main frame is more particularly described as being rotatable relative to the secondary frame, but it can be movable in translation.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Sawing (AREA)
EP06291039A 2006-06-20 2006-06-20 Maschine zur Bodenbearbeitung Withdrawn EP1870520A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP06291039A EP1870520A1 (de) 2006-06-20 2006-06-20 Maschine zur Bodenbearbeitung
US11/765,506 US7686402B2 (en) 2006-06-20 2007-06-20 Machine for machine working the ground

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06291039A EP1870520A1 (de) 2006-06-20 2006-06-20 Maschine zur Bodenbearbeitung

Publications (1)

Publication Number Publication Date
EP1870520A1 true EP1870520A1 (de) 2007-12-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06291039A Withdrawn EP1870520A1 (de) 2006-06-20 2006-06-20 Maschine zur Bodenbearbeitung

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US (1) US7686402B2 (de)
EP (1) EP1870520A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120174905A1 (en) * 2011-01-11 2012-07-12 Wy Peron Lee Ground level portable saw machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1001870A (fr) * 1949-12-09 1952-02-28 Machine à raboter et à polir les parquets et autres surfaces planes
EP0098798A2 (de) * 1982-07-06 1984-01-18 VON ARX AG Maschinenfabrik Fahrbares Oberflächenbearbeitungsgerät
WO2001012904A1 (de) * 1999-08-11 2001-02-22 Wacker-Werke Gmbh & Co. Kg Schneidvorrichtung mit veränderbarer schnitttiefe
US20030168054A1 (en) * 2000-02-18 2003-09-11 Mk Diamond Products, Inc. Portable concrete saw
EP1637655A2 (de) * 2004-09-17 2006-03-22 DIAMANT BOART Société Anonyme Bodensäge

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3357745A (en) * 1965-05-26 1967-12-12 Champion Mfg Company Mobile concrete floor sawing machine having pivotally adjustable frame sections
US4953523A (en) * 1989-10-16 1990-09-04 Equipment Development Company, Inc. Quick release mechanism for the tool of a concrete/asphalt abrader
US6926261B1 (en) * 2004-07-26 2005-08-09 Kaper Ii, Inc. Trailer tongue jack

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1001870A (fr) * 1949-12-09 1952-02-28 Machine à raboter et à polir les parquets et autres surfaces planes
EP0098798A2 (de) * 1982-07-06 1984-01-18 VON ARX AG Maschinenfabrik Fahrbares Oberflächenbearbeitungsgerät
WO2001012904A1 (de) * 1999-08-11 2001-02-22 Wacker-Werke Gmbh & Co. Kg Schneidvorrichtung mit veränderbarer schnitttiefe
US20030168054A1 (en) * 2000-02-18 2003-09-11 Mk Diamond Products, Inc. Portable concrete saw
EP1637655A2 (de) * 2004-09-17 2006-03-22 DIAMANT BOART Société Anonyme Bodensäge

Also Published As

Publication number Publication date
US7686402B2 (en) 2010-03-30
US20080067857A1 (en) 2008-03-20

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