EP1060052B1 - Dispositif pour travailler une surface, en particulier plate-forme de levage, et procede pour faire fonctionner un tel dispositif - Google Patents

Dispositif pour travailler une surface, en particulier plate-forme de levage, et procede pour faire fonctionner un tel dispositif Download PDF

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Publication number
EP1060052B1
EP1060052B1 EP99913210A EP99913210A EP1060052B1 EP 1060052 B1 EP1060052 B1 EP 1060052B1 EP 99913210 A EP99913210 A EP 99913210A EP 99913210 A EP99913210 A EP 99913210A EP 1060052 B1 EP1060052 B1 EP 1060052B1
Authority
EP
European Patent Office
Prior art keywords
working
boom
blasting
superstructure
movement
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
EP99913210A
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German (de)
English (en)
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EP1060052A1 (fr
Inventor
Georg Thierer
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.)
JLG Industries Inc
Original Assignee
Liftlux Potain GmbH
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Filing date
Publication date
Application filed by Liftlux Potain GmbH filed Critical Liftlux Potain GmbH
Publication of EP1060052A1 publication Critical patent/EP1060052A1/fr
Application granted granted Critical
Publication of EP1060052B1 publication Critical patent/EP1060052B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
    • B24C3/06—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00—Abrasive blasting machines or devices; Plants
    • B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
    • B24C3/06—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable
    • B24C3/065—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable with suction means for the abrasive and the waste material

Definitions

  • the invention relates to a device for processing a surface, in particular an aerial work platform, according to the preamble of Claim 1 and a method for operating such a device.
  • Such a device is known from US 4,286,417.
  • a Device for cleaning surfaces of large objects with a movable jet basket is known from DE 36 29 623 C2.
  • Blasting basket are one or more blasting nozzles of a sandblasting device, such as they are known from AT E 151 678 T1 for the dust-free irradiation of Areas housed.
  • EP 0 511 636 A1 shows a device for positioning and guiding a tool, for example a cleaning tool for a Aircraft in which the orientation of the work equipment is controlled by sensors Stepper motors are carried out on swiveling and coupled to each other Support arms are attached.
  • Stepper motors are carried out on swiveling and coupled to each other Support arms are attached.
  • a similar arrangement from one another arranged and coupled with each other and motorized swivel Support arms are shown in WO 83/03071.
  • EP 0 665 085 A1 shows a device for surface treatment, in which the working medium by magnetic force on the surface to be machined is created.
  • the permanent magnets that apply the magnetic force are arranged on a carrier device for the work equipment.
  • the aerial work platform usually includes a motor-driven one Chassis on which a superstructure rotates about a vertical axis is arranged. On the uppercarriage it is around a horizontal axis swiveling boom arranged.
  • the boom is telescopic extendable and has at its end facing away from the guard Work equipment, a work platform or a work basket, for example a blasting basket, on.
  • the device can also be operated, for example, by scissors or Stamping platform to be formed on their facing the work equipment End forms a platform that the tool side end of the Cantilever corresponds.
  • the device is preferably arranged on a mobile base, in particular on one a fully lockable steering with one preferably steering angle on both sides of at least 90 ° mobile Pedestal arranged.
  • Working overhead blasting becomes the working tool by extending the platform in contact with the area to be worked brought during the feed and parallel shifting in particular done by moving the stage. This happens when blasting sideways Creating by moving or positioning the stage, whereas the Feed can be done in particular by lifting and lowering the stage.
  • the parallel shifted editing of the surface takes place again especially by moving the stage.
  • a multi-articulated boom is usually considered due to the number of joints a mechanical spatial Has overdetermination.
  • one or two-row brush seals come a vacuum seal or a magnetic force assisted seal, such as from known from DE 29 04 093 A1.
  • the application or pressing takes place of the work equipment to the surface to be processed via a swivel torque of the superstructure, which is about the vertical axis opposite the chassis is pivotable, or via sensor-controlled, multi-axis and on the Work equipment directly attacking drive systems.
  • This has the Disadvantage that either the application force is not exactly adjustable and is adjustable because the entire mass of the Upper carriage, the boom and the work basket are pivoted must, or the sensor-driven drive systems in the area of Work equipment is prone to failure. This means both the required tightness between work equipment and surface to be worked as well the required lifespan of the aerial work platform is not guaranteed.
  • the well-known aerial work platforms Machining operations on sensitive surfaces, such as do not clean or paint aircraft surfaces.
  • the invention is therefore based on the object of a device for Working on a surface, especially an aerial work platform, To provide that has a long service life and with the the application force is adjustable with a high degree of constancy.
  • the object of a method for operating a to provide such an aerial work platform.
  • the procedure is supposed to in particular the traversing of a predefinable path on a surface higher order, in which the work equipment in constant system with the machined area.
  • the suspension is preferably formed by a fork-shaped suspension for the bell-shaped or basket-shaped working medium, the shaft of the fork-shaped suspension being freely rotatable about its longitudinal axis, for example by means of a tapered roller bearing.
  • limit switches By suitably attaching limit switches to the two axes of the suspension, when a predetermined swiveling angle of the working medium to the fork or the axis of the tapered roller bearing is reached the work equipment can be pivoted back into a basic position by means of appropriate drive means.
  • the basic position can be, for example, the position of the work equipment, in which the supply hoses and lines lead to the work equipment, for example to a blasting or spraying tool.
  • position sensors in particular angle sensors, can be arranged on the two axes of the suspension. which provide feedback to the control unit about the position of the two axes and thus about the orientation of the work equipment in relation to the surface to be worked. This can ensure that the application force acting on the suspension always acts essentially in a direction that includes a right angle with the surface to be worked.
  • the surface spanned by the fork of the suspension is preferably parallel to the surface to be machined or forms an acute angle with it of 0 ° to 30 °.
  • a pneumatic or hydraulic cylinder, a spring with an adapted spring constant which is comparatively low in the working range or the like can be considered as a means for providing the application force.
  • a hydraulic cylinder can be operated alone or in cooperation with a hydraulic pressure accumulator. It can preferably be subjected to a constant and comparatively low pressure.
  • the energy storage effect can be achieved particularly easily due to the compressibility of the working medium.
  • the changes in distance resulting from the movement of the working medium along a predeterminable path on the surface to be machined are compensated for by the stroke of the means for providing the application force, in particular the pneumatic cylinder.
  • Several position switches can be arranged along the stroke path, in particular at the end positions and in a central position. Instead of or as an alternative to the position switches, which realize a discrete position detection, a continuous position detection of the stroke position of the energy accumulator can also be provided.
  • the work equipment or the suspension carrying it is by means of the first Drive means about two axes enclosing a right angle rotatably rotatable relative to the end of the boom near the work equipment, in particular, a first drive element of the first drive means rotates the Suspension around a first vertical axis and a second drive element the first drive means rotates the suspension around a first horizontal Axis.
  • the first drive element can additionally by another horizontal axis by means of a third drive element of the first Drive means can be rotated.
  • the first drive means serve a tracking of the means for providing the investor and are from the position information of the means for providing the application force controlled. Due to the pivotability of the work equipment relative to the The boom is both side machining and overhead machining Area possible, with changes in the distance between the Work equipment and the area to be processed by the means for Providing the investor to be balanced.
  • the funds for providing the Applying force and thus the work equipment or the suspension by means of second drive means that extend and retract telescopically Drive the boom opposite a superstructure by a second horizontal axis is rotatable, and which compared to a substructure, in particular a chassis, rotatable about a second vertical axis Drive the uppercarriage.
  • the second drive means can be controlled at least partially by the position information of the means for providing the application force. For example, in the case of lateral blasting, by controlling the movement of the extension and retraction of the boom and the rotation of the boom about the second horizontal axis relative to the superstructure, a path which can be predetermined by a control device can be traversed on the surface to be processed.
  • the distance between the end of the boom on the working medium side and the surface to be processed becomes so large that it can no longer be compensated for by the means for providing the application force, and corresponding position information of these means is sent to the control device is actuated, for example an end position switch the boom is adjusted by rotating the superstructure in relation to the substructure in the direction of the surface to be worked.
  • tracking can be carried out by rotating the boom about the second horizontal axis if the predetermined path is followed by controlling the extension and retraction of the boom and by rotating the superstructure relative to the substructure.
  • the movements caused by the second drive means are sensed, in particular the tracking movement is used as an input variable for uses the control of the movement of the working means along the predetermined path, for example to be able to carry out control corrections caused by the tracking movement and / or to to keep the web speed constant when working on the surface.
  • the first and second drive means can in particular be double acting pneumatic or hydraulic cylinders include.
  • such devices are, in particular, for processing ship hulls the processing of weld seams, usable or for removing paint or other layers or contaminants from aircraft.
  • the provision of two sequences offset by 90 ° ensures reliable removal of the waste materials resulting from the machining process, both with side blasting and with overhead blasting.
  • Lateral blasting in which the surface to be irradiated is at an angle of for example includes 90 ° to 45 ° with the footprint of the device, is essentially by extending and retracting the boom and by Control the usually hydraulic or electric driven The boom is rotated relative to the superstructure.
  • Overhead blasting where the area to be irradiated is at an angle for example 45 ° to 0 ° with the footprint of the device includes, essentially by extending and retracting the boom and by actuating them, which are also usually hydraulic or electrical driven rotary movement of the superstructure in relation to the substructure carried out. With both jet types, the means for Providing the investor with the tracking of the work equipment resulting changes in distance.
  • the work equipment is first applied to the surface to be worked, then along the surface of a predefinable path on the surface moves, and in doing so they move by moving along the path resulting changes in the distance between the work equipment and the area is compensated for by the means for providing the application force.
  • the movement along the predefinable path is usually carried out by Extending and retracting the boom and rotating the boom by one second horizontal axis opposite the superstructure or by turning of the superstructure around a second vertical axis opposite the substructure.
  • the movements are, for example, by a Programmable logic controller controlled, making automated any tracks can be traveled, for example meandering juxtaposed and essentially vertical and themselves overlapping sheets for cleaning a large area, for example a hull.
  • the programmable logic controller Control does not take on a direct control function for the system of the Work equipment on the surface to be worked. This is through the suspension of the work equipment, especially in connection with the Force storage of the means for providing the applied force accomplished.
  • the application force is preferably controlled by a pneumatic cylinder provided. As soon as this ends its Travel distance reached and a corresponding limit switch is actuated, or continuous position monitoring reaching the Signaled end position, are the means to provide a Tracking force by means of the first and / or second drive means.
  • FIG. 1 shows an aerial work platform 100 with a blasting basket for lateral blasting, which has a motor-driven chassis 101 and an uppercarriage 103 which is rotatable thereon about a second vertical axis 102 and on which a boom 104 which is pivotable about a second horizontal axis is arranged.
  • a hydraulic drive element 136 of the second drive means acts between the superstructure 103 and the boom 104.
  • the boom 104 can be extended telescopically and has a blasting basket 105 at its end facing away from the superstructure 103.
  • the fork 107 of the suspension of the blasting basket 105 and a third hydraulic drive element 108 of the first drive means which serves to track the means 318 for providing the application force as well as a pivoting movement of the blasting basket 105 about a further horizontal axis 333.
  • the illustrated lateral blasting can be carried out, for example, on surfaces to be machined which form an angle between 45 ° and 90 ° with the standing surface 106 of the aerial work platform 100.
  • the boom 104 is opposite the superstructure 103 by means of a first one Drive elements of the second drive means in the form of a hydraulic Cylinder 136 rotatable.
  • This rotating or swiveling movement also affects the cylinder 134, which is preferably used as a master cylinder for the third can serve hydraulic drive element 108, which in this Use case primarily as slave cylinder and only secondarily as independent third hydraulic drive element is used.
  • FIG. 2 shows an aerial work platform 100 with a blasting basket 205 at Overhead beams.
  • a blasting basket 205 at Overhead beams.
  • the fork 207 of the suspension in side view and the third Drive element 208 a second hydraulic drive element 209 of the first drive means, which is also like the third drive element 208, both a swiveling movement of the jet basket 205 - this time around a first horizontal axis 326 - as well as a tracking of the means 318 can serve to provide the application force.
  • Both drive elements 208, 209 are designed as double-acting hydraulic cylinders. As an alternative to this embodiment there are also double-acting ones pneumatic cylinders into consideration.
  • the overhead blasting will provided, for example, when the surface 311 to be machined also has the footprint 106 of the aerial work platform 100 has an angle of 0 ° to 45 ° includes.
  • the conical, shown in Figs. 1 and 2, for processing surface 311 open jet basket 105, 205 typically has a diameter of 1 m and a mass of 100 kg. All of that Device arranged on the working side end of the boom 104 a mass of about 500 kg. Sand, for example, serves as blasting material, Corundum or aluminum oxide or steel gravel. A possible one The application of these blasting baskets is the pretreatment of Ship hulls before painting.
  • the blasting basket 305 has a feed 313 for the blasting material and two, about 90 ° offsets 314 attached to the blasting basket 305.
  • the blasting basket 305 is free on fork 307 about a first horizontal axis 315 pivotally suspended.
  • the shaft of the fork 307 is on one Tapered roller bearing 316 around an almost vertical axis 316 'free pivotally suspended.
  • the fork 307 and the tapered roller bearing 316 realize the two, preferably a right angle including axes freely movable suspension of the blasting basket 305 at the end of the boom 304 near the blasting basket.
  • the tapered roller bearing 316 is an angular element with the piston 317 of the pneumatic cylinder 318 connected.
  • the storage of the Piston 317 or the piston rod of the pneumatic cylinder 318 takes place on second rollers 319.
  • the pneumatic cylinder 318 is with this first leg 323 firmly connected.
  • the first arm 324 is over one opposite leg 325 about a first horizontal axis 326 a second arm 328 pivotable.
  • the swivel movement is from a first double-acting pneumatic or hydraulic Cylinder 327 of the first drive means causes that with the first leg 323 of the first arm 324 and the second arm 328 is connected.
  • the second arm 328 is about a first vertical axis 329 by means of a hydraulic rotary motor or a swivel cylinder 330 swivel.
  • the hydraulic swivel cylinder 330 is fixed with a first leg 331 of a two-armed lever 332 connected to another horizontal axis 333 opposite the end of the boom near the jet basket 304 is pivotable.
  • the pivoting movement is done by a second double acting pneumatic or hydraulic cylinder 334 the causes first drive means which on the one hand with the boom 304 connected and on the other hand to the second leg 335 of the lever 332 connected is.
  • This second double acting cylinder 334 can in hydraulic version additionally or alone as slave cylinder on the one hand with the boom 304 and on the other hand with the Superstructure 103 connected and the drive element 136 mechanically parallel connected master cylinder 134 are moved so that even when Swiveling the boom 304 against the superstructure 103 about his second horizontal axis the first vertical axis 329 substantially maintains its vertical orientation.
  • the exemplary embodiment shown in FIG. 3 has an over-determination with regard to the pivoting movements.
  • This Over-determination with regard to the swiveling movements allows larger ones Degrees of freedom when tracking the blasting basket on the one to be processed Area.
  • the pneumatic cylinder 318 which can be acted upon by an adjustable, constant air pressure via a pressure control valve (not shown).
  • the distance change is compensated by the pneumatic cylinder 318 until the cam 320 interacts with one of the limit switches 321.
  • a correspondingly generated control signal activates one of the double-acting cylinders 327, 334 or a tracking movement by moving the boom 101 in or out, by rotating the boom 101 relative to the superstructure 103, or by rotating the superstructure 103 relative to the chassis 101.
  • the readjustment can take place until either the cam 320 interacts with the limit switch 321 at the opposite end of the stroke of the pneumatic cylinder 318 or until the cam 320 interacts with the center switch 322.
  • FIG. 4 shows the blasting basket 405 during overhead blasting.
  • 3 is the extension of the first double-acting cylinder 427.
  • the waste materials resulting from the processing are discharged from the blasting basket 405 essentially via the outlet 414.
  • the further mode of operation in particular the compensation of changes in distance between the jet basket 405 and the surface 411 to be processed, takes place in an analogous manner to the mode of operation as described with reference to FIG. 3.
  • an increased proportion of the weight force compared to the lateral blasting must be applied by the means for providing the application force.
  • This portion can be determined, for example, with the aid of an acceleration sensor attached to the pneumatic cylinder 318 and determining the acceleration due to gravity, or by an angle sensor which determines the angular position of the first arm 324 with respect to the first horizontal axis 326.
  • FIG. 5 shows the top view of the blasting basket 505 during overhead blasting from the surface 411 to be machined.
  • the suspension is shown the blasting basket 505 by means of the fork 507 and the tapered roller bearing 516.
  • the rollers 510 guarantee low-friction guidance of the Blasting basket 505 on the surface to be processed 411.
  • the ring Running, multi-row brush seal 512 ensures reliable Sealing the blasting chamber from the environment.
  • the blasting material is fed in 513 and this is done in the processes 514 Machining material removed from the blasting basket 505.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Cleaning In General (AREA)
  • Spray Control Apparatus (AREA)
  • Multi-Process Working Machines And Systems (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
  • Coating Apparatus (AREA)
  • Movable Scaffolding (AREA)

Claims (10)

  1. Dispositif pour traiter une surface (311), en particulier plate-forme de travail pouvant être déplacée en hauteur (100), avec une flèche (304) ou une plate-forme, avec un élément de travail (305) pouvant être appliqué contre la surface à traiter (311) et avec des éléments (318) pour produire une force d'appui agissant sur l'élément de travail (305), qui sont disposés entre la flèche (304) ou la plate-forme et l'élément de travail (305), caractérisé en ce que l'élément de travail (305) est suspendu à un élément suspendu (307, 316) de manière à pouvoir se déplacer librement autour de deux axes incluant de préférence un angle droit et en ce que les moyens (318) pour produire la force d'appui agissent sur l'élément suspendu (307, 316).
  2. Dispositif selon la revendication 1, caractérisé en ce que les éléments pour produire la force d'appui comprennent un accumulateur d'énergie, en particulier un vérin pneumatique ou hydraulique (318), pouvant être actionné par une pression constante, de préférence réglable à l'aide d'une vanne de régulation de pression, et en ce que le long du trajet de course de l'accumulateur d'énergie sont disposés des éléments pour détecter la position de course de l'accumulateur d'énergie, en particulier au moins un interrupteur de position (321, 322).
  3. Dispositif selon la revendication 2, caractérisé en ce que l'élément de travail (305) ou l'élément suspendu (307, 316) peut tourner par rapport à l'extrémité de la flèche (304) proche de l'élément de travail au moyen de premiers moyens d'entraínement pneumatiques, hydrauliques ou électriques (327, 330, 334) autour d'un premier axe vertical (329) et autour d'un premier axe horizontal (326, 333) et en ce qu'au moins une partie des premiers moyens d'entraínement (327, 330, 334) peut être commandée par les éléments de détection de la position de la course.
  4. Dispositif selon la revendication 2 ou 3, caractérisé en ce que la flèche (104) peut faire l'objet d'un déploiement et d'une rétractation télescopique au moyen de deuxièmes moyens d'entraínement pneumatiques, hydrauliques ou électriques, qu'elle peut tourner par rapport à une partie tournante autour d'un deuxième axe horizontal et que la partie tournante (103) peut tourner par rapport au support de base, en particulier un châssis de véhicule (101), autour d'un deuxième axe vertical (102) et en ce qu'au moins une partie des deuxièmes moyens d'entraínement peut être commandée par les éléments de détection de la position de la course.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que l'élément de travail comprend une nacelle de travail (305), en particulier une nacelle de nettoyage au jet de la surface, qui est munie d'un outillage de nettoyage au jet.
  6. Dispositif selon la revendication 5, caractérisé en ce que la nacelle de travail (305) comprend une arrivée (313) pour un fluide de travail, en particulier pour un fluide de nettoyage au jet, et deux départs (314) disposés avec un décalage d'environ 90°, en particulier des ouvertures d'aspiration.
  7. Procédé pour la mise en oeuvre d'un dispositif selon l'une des revendications 1 à 6, comprenant les étapes consistant à :
    mettre en place l'élément de travail (305) sur la surface à traiter (311),
    déplacer l'élément de travail (305) le long d'une trajectoire pouvant être prédéterminée et
    compenser, à l'aide des éléments pour produire la force d'appui (318), les modifications de l'espacement entre l'élément de travail (305) et la surface (311) provoquées par le déplacement le long de la trajectoire.
  8. Procédé selon la revendication 7 pour la mise en oeuvre d'un dispositif selon l'une des revendications 4 à 6 comprenant l'étape consistant à :
    repositionner, au moyen des premiers ou des deuxièmes moyens d'entraínement et selon les informations de commande des éléments pour la détection de la position de la course, les éléments pour produire la force d'appui (318), en particulier lorsqu'un premier interrupteur de position (321), se trouvant à une première extrémité de l'accumulateur d'énergie (318), est actionné, et ceci jusqu'à ce qu'un deuxième interrupteur de position, se trouvant en particulier à la deuxième extrémité opposée de la course de l'accumulateur de pression (318), soit actionné.
  9. Procédé selon la revendication 8, caractérisé en ce que le déplacement de l'élément de travail (305) le long de la trajectoire pouvant être prédéterminée est commandé par le dispositif de commande, en particulier à programmation en mémoire, pilotant le mouvement de déploiement et de rétractation de la flèche (104) et le déplacement de la partie tournante (103) par rapport au châssis autour du deuxième axe vertical (102) ou le déplacement de la flèche (104) par rapport à la partie tournante (103) autour du deuxième axe horizontal, et en ce que le repositionnement des éléments pour produire une force d'appui (318) a lieu à l'aide d'un déplacement de la flèche (106) par rapport à la partie tournante (103) autour du deuxième axe horizontal ou à l'aide d'un déplacement de la partie tournante (103) par rapport au châssis autour du deuxième axe vertical (102).
  10. Procédé selon la revendication 9, caractérisé en ce que le mouvement de repositionnement constitue une valeur d'entrée pour la commande du déplacement de l'élément de travail (105) le long de la trajectoire pouvant être prédéterminée.
EP99913210A 1998-03-03 1999-03-02 Dispositif pour travailler une surface, en particulier plate-forme de levage, et procede pour faire fonctionner un tel dispositif Expired - Lifetime EP1060052B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19808691 1998-03-03
DE19808691A DE19808691A1 (de) 1998-03-03 1998-03-03 Hubarbeitsbühne und Verfahren zum Betrieb einer Hubarbeitsbühne
PCT/EP1999/001344 WO1999044788A1 (fr) 1998-03-03 1999-03-02 Dispositif pour travailler une surface, en particulier plate-forme de levage, et procede pour faire fonctionner un tel dispositif

Publications (2)

Publication Number Publication Date
EP1060052A1 EP1060052A1 (fr) 2000-12-20
EP1060052B1 true EP1060052B1 (fr) 2002-02-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP99913210A Expired - Lifetime EP1060052B1 (fr) 1998-03-03 1999-03-02 Dispositif pour travailler une surface, en particulier plate-forme de levage, et procede pour faire fonctionner un tel dispositif

Country Status (8)

Country Link
US (1) US6464569B1 (fr)
EP (1) EP1060052B1 (fr)
JP (1) JP2002505202A (fr)
KR (1) KR20010041532A (fr)
CN (1) CN1096916C (fr)
DE (2) DE19808691A1 (fr)
ES (1) ES2172984T3 (fr)
WO (1) WO1999044788A1 (fr)

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DE202005011280U1 (de) * 2005-07-18 2006-11-23 Kinshofer Greiftechnik Gmbh & Co. Kg Hub-/Schwenkvorrichtung für Ladebordwände und/oder -rampen

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CN103537990A (zh) * 2013-08-06 2014-01-29 湖南星邦重工有限公司 一种自适应船体表面进行喷丸的高空作业平台
CA2945598A1 (fr) * 2014-05-12 2015-11-19 Linepro Equipment Ltd. Ensemble fleche monte sur un vehicule dote d'un accessoire de lavage
CN106944934B (zh) * 2017-04-24 2023-07-04 贵州金石车载式流动打砂机制造有限责任公司 动力转换式的可移动小型打砂机
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CN1291930A (zh) 2001-04-18
ES2172984T3 (es) 2002-10-01
CN1096916C (zh) 2002-12-25
DE59900829D1 (de) 2002-03-21
US6464569B1 (en) 2002-10-15
EP1060052A1 (fr) 2000-12-20
KR20010041532A (ko) 2001-05-25
JP2002505202A (ja) 2002-02-19
DE19808691A1 (de) 1999-09-09
WO1999044788A1 (fr) 1999-09-10

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