EP0139827A2 - Dispositif pour la pose de pavés - Google Patents

Dispositif pour la pose de pavés Download PDF

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Publication number
EP0139827A2
EP0139827A2 EP84106340A EP84106340A EP0139827A2 EP 0139827 A2 EP0139827 A2 EP 0139827A2 EP 84106340 A EP84106340 A EP 84106340A EP 84106340 A EP84106340 A EP 84106340A EP 0139827 A2 EP0139827 A2 EP 0139827A2
Authority
EP
European Patent Office
Prior art keywords
gripper jaws
gripper
following
horizontal
trolley
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Withdrawn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
EP84106340A
Other languages
German (de)
English (en)
Other versions
EP0139827A3 (fr
Inventor
Hubert Schnieder
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0139827A2 publication Critical patent/EP0139827A2/fr
Publication of EP0139827A3 publication Critical patent/EP0139827A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
    • B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
    • B66C1/445—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces motor actuated
    • B66C1/447—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces motor actuated by hydraulic or pneumatic motors
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/52—Apparatus for laying individual preformed surfacing elements, e.g. kerbstones

Definitions

  • the invention relates to a device for laying paving stones, with at least two gripper jaws movable in the manner of pliers with which a plurality of paving stones located at least next to one another can be gripped and lifted and deposited at a predetermined location.
  • Pliers-like devices for laying paving stones are known, which are intended to lift several paving stones lying next to one another, to transport them to a specific location and to deposit them there.
  • the previously known device has the disadvantage that it does not work without problems. It is e.g. very difficult or impossible to grasp a layer of paving stones on pallets, on which such paving stones are usually transported by the manufacturer, with such pliers-like devices, to lift the relevant layer and to transport it to the predetermined installation location. This is probably due, among other things, to the fact that the force transmission of the gripper jaws to the paving stones occurs in an uncontrolled or unfavorable manner, so that stones often slip, individual or several stones fall down or the paving stone layer bulges up. All of these difficulties usually lead to either the seized
  • Paving stones fall down, or the laying quality is unsatisfactory. A fast, problem-free and cost-saving work is therefore not possible with such a device.
  • the invention has for its object to significantly improve a device according to the prerequisite type and to avoid the disadvantages inherent in the prior art.
  • a forceps-like transport and laying device has been created by the invention, which makes it possible to efficiently lay paving stones of any design. At least one complete layer of paving stones can be gripped from a conventional transport pallet, lifted up and transported to the installation site and stored here in such a way that reworking is practically no longer necessary. Secret tests have shown that the laying quality by means of a device according to the invention of laid paving stone layers is even better than that of manually laid paving stones.
  • the gripper jaws align themselves automatically depending on the resulting forces so that the gripper forces are optimally introduced into the paving stone position in each case. This prevents paving stones from falling or throwing them up or damaging the layer. Rather, the stones remain in the flight in which they were on the transport pallet. Even crushing paving stones is no longer possible with a device according to the invention.
  • the gripper jaws are continuous, so they extend at least over a paving stone layer and are each pivotally mounted on a continuous, horizontal axis in the vertical plane.
  • the gripper jaws into a plurality of gripper jaws, each of which is arranged on a horizontal pivot axis, which is in particular arranged coaxially to one another.
  • a particularly advantageous embodiment is described in claim 5, in which the gripper jaws are motor-driven.
  • the work can not only be carried out easily and with little effort by an operator, e.g. remote control from a control station, in particular from a suitable earth-working vehicle, but it is also ensured that the same, predetermined forces are always applied to the gripper jaws, which can be regulated from the control station if necessary.
  • An embodiment according to claim 6 is of great advantage, in which the gripper jaws can be actuated from a piston-cylinder unit which extends essentially in a horizontal plane above the paving stone layer to be acted upon, alternately acting on both sides with pressure medium pressure, in particular hydraulic oil.
  • the cylinder of this piston-cylinder unit is coupled to at least one angle lever, which in turn is assigned to the relevant gripper jaw or gripper jaws on one side of the device, while the piston rod is also connected to the gripper jaw or gripper jaws of the other via at least one angle lever Side of the device is in gear connection.
  • angle levers extend essentially in the vertical plane.
  • the gripper jaws themselves are provided with wear inserts made of an at least limited elastic, wear-resistant plastic on their surface parts which come into contact with the paving stones or the lining associated with the gripper jaws. This protects the paving stones when they are gripped. In addition, there is an even more uniform introduction of the forces.
  • the device is designed to be adjustable in width and / or length. In this way, alternately large paving stone layers can be easily gripped, transported and installed.
  • the width and / or length adjustment of the device and / or the gripper jaws is infinitely variable, e.g. by means of piston-cylinder units which can be acted on alternately on both sides by pressure medium, in particular hydraulic oil.
  • An embodiment according to claim 11 is particularly advantageous.
  • the device and thus the gripper jaws can be driven about a vertical axis of rotation via an electric or hydraulic or electro-hydraulic rotary motor. This makes it possible to control the gripper jaws both when picking up the paving stones and when placing them in the correct rotational position.
  • B. either from a suitable central control station, e.g. B. from an earth-working machine, a crane or the like., Or from another central control station, or by means of a hand switch by a person standing next to the device, by simply actuating switches.
  • Claim 14 describes a robust embodiment. This enables large weights to be gripped and transported. In the case of long gripper jaws, it is also possible to allow several such piston-cylinder units to engage over the length of each gripper jaw, so that the same amount of force is applied over the entire length of the gripper jaw and jamming is avoided.
  • a tube, a profile tube or several profile irons that complement the tube will be selected for the load suspension device.
  • the area in which the piston-cylinder units are supported against these pipes, iron or the like can be reinforced by an intermediate piece.
  • Claim 15 describes an advantageous embodiment.
  • the embodiment according to claim 16 favors the implementation of rapid repair work, since the axes to which the angle levers are attached can be exchanged as structural units.
  • a practical embodiment is described in claim 17.
  • the person standing next to the device on the ground to be paved can pull and / or push and / or swivel the device hanging on the load suspension device, to a certain extent in the air to the point of sale, to a certain extent in the air and / or turn in, after which the paving stone layer in question can be set down.
  • Claim 18 describes a particularly practical embodiment.
  • the circular ring enables the device to be gripped from all sides. Hand injuries are also excluded.
  • the device that is to say in particular the gripper jaws, with the paving stones they grip can be moved by horizontal movement even when the load-carrying means is at a standstill.
  • This also gives the opportunity opened to drive the paving stones very precisely on the spot.
  • the machine on which the device is attached e.g. B. on an excavator, a crane hook or the like. Accordingly, it does not need to work with millimeter precision. Rather, after the device has been pivoted approximately, the exact movement of the device can take place via this special design of a roller bearing hanging bearing or a support bearing. This also increases the radius of action. So z. B.
  • the paving stone layer can be placed at any point with millimeter precision, especially in patterns to be installed.
  • Such a thrust bearing can, for. B. are formed from two spaced and parallel plates, one of which has a through opening through which an element assigned to the pliers passes and is connected to the other pressure plate located above.
  • Rolling elements - balls, barrels, rollers, rollers or wheels - can be arranged between the pressure plates.
  • the two plates can be z. B. shift all around by a limited amount in the vertical plane on the roller bearings.
  • the transverse displacement can be limited by stops.
  • the rolling elements can be arranged in a cage or in other guides.
  • At least one trolley is arranged, which enables the gripper tongs to cross-move to the load suspension device.
  • the reference number 1 designates a load suspension device which, at a distance from its upper, free end, has a shackle holder 2 for coupling to a tension element or the like, not shown, e.g. on the load hook of an excavator or other suitable vehicle.
  • the load suspension device 1 has a vertical part 3 and webs connected thereto by welding and extending at an acute angle to one another, of which only the web 4 can be seen from FIG. 2.
  • the other, opposite web is designed accordingly.
  • Reference number 5 is assigned to this web, which is not shown in detail. From Fig. 4, however, the concealed, and therefore dashed circumferential edges 6 and 7 of the webs 4 and 5 can be seen, which with a cross member 7, e.g. by welding.
  • the pincer-like device is essentially frame-shaped and consists of profiled iron, namely the two outer cross members 8 and 9, the middle cross member 10 and the outer cross members 11 and 12.
  • the two cross members 11 and 12 are each connected in one piece to parts of the width members 8 and 9 by welding.
  • the wide beams 8, 9 can consist of several detachable parts.
  • the two wide beams 8 and 9 have a plurality of bores in their central length range, of which only one is designated by the reference number 13. These holes 13 pass through the wide beams 8 and 9, so that through them e.g. Screws can be inserted, through which the parts of the side supports 8 and 9, which are each lashed together in the middle length range, can be coupled together with a connecting piece 14 or 15, respectively. By pulling out the screws or the like and moving them by at least one hole spacing, the width supports 8 and 9 can be adjusted in length and the device can thereby be set up to different widths.
  • the device has at the end regions of the cross members 8 and 9 each a horizontal axis 16 and 17, which have spaced apart and parallel to each other, downwardly extending, plate-shaped angle levers 18 and 19, each on the associated Axis 16 or 17 are pushed on by means of bores and are connected in one piece to the axis 16 or 17 at the same angles in the predetermined position by welds or the like.
  • a clamping jaw lever 20 or 21 is coupled pivotably about a horizontal axis in the vertical plane, only the two pivot axes 22 and 23 being provided with reference numerals.
  • a clamping jaw 24a or 24b which extends in the form of a strip and extends over the entire length of the device, is connected to each clamping jaw lever 20 or 21 and is thus likewise pivotably arranged in a vertical plane via the associated clamping jaw lever 20 or 21.
  • each jaw 24a, 24b is composed of a metal part which is approximately U-shaped in cross section and a hard rubber insert, in particular of a suitable plastic.
  • the hard rubber insert can e.g. be arranged either under tension and / or by gluing within the metallic U-shaped body.
  • an alternating piston-cylinder unit which can be acted upon by motor pressure on both sides, in particular with hydraulic oil, which is referred to below as the hydraulic cylinder and has the overall reference number 25.
  • This hydraulic cylinder 25 is coupled with its cylinder via a horizontal pivot axis 26 to an angle lever 27 consisting of two parallel plates and pivotable in a vertical plane, the ends of which are firmly connected to the axis 17 by welding.
  • the piston rod 28 is connected via a horizontal pivot axis 29 to an angle lever 30, which is also formed from two plates spaced apart and parallel to one another, and which is likewise welded through a bore with the axis 16
  • the reference numerals 31, 32, 33, 34, 35 and 36 are designated ier wornen vell N i, each having a bolt, a nut and a clamp member in the illustrated embodiment.
  • the screw bolt 38 , the nut 39 and the hold-down device 40 have been provided with reference numerals.
  • the other leveling devices are designed accordingly, whereby it is not of critical importance for the function of the parts themselves whether the hold-down device is designed as an angle iron or as a part with a U- shaped cross section.
  • the tongs-like device can be adjusted to the respective level, in particular to the respective thickness of the paving stone layer 41 to be detected.
  • the device e.g. is lowered over the layer 41 to be gripped by means of an excavator or another suitable vehicle until the leveling devices 31-36 rest on the top of the paving stone layer 41 to be gripped.
  • the hydraulic cylinder 25 is acted upon on the other side with hydraulic oil, so that the gripper jaws 24a and 24b come to rest against the paving stones 41, with such great force that the entire layer 41 of e.g. lifted off a pallet, transported away and put down at the place where the paving stones 41 are to be laid, all at once, without the need for manual reworking. Then the cycle is repeated accordingly.
  • a plurality of gripper jaws can also be arranged one above the other in different planes, so that it is possible with one gripping movement to grasp several layers of paving stones 41 and to lay them one after the other.
  • the gripper jaws can e.g. attached to different lever arms; be arranged so that the relieved gripper jaws can be swiveled away to the side and the other layer can be laid without any problems.
  • FIGS. 5 to 8 the same reference numerals have been used for parts with the same function as in the embodiment described above, but with the difference that in this embodiment a total of two piston-cylinder units 25a, 25b, their longitudinal axes 5 coaxial to each other, are arranged.
  • the piston rods of these piston-cylinder units 25a and 25b are designated by 28a and 28b, while 29a and 29b in turn denote the horizontal pivot axes with which angle levers 30 and 27 of the gripper tongs are coupled.
  • the angle lever 30 with the associated axis 16 on the one hand and the angle lever 27 with the associated axis 17 on the other hand form interchangeable units, so that these parts can be replaced quickly and easily, for example to carry out maintenance and / or repair work, or to to change the device to other operating conditions. It is also conceivable that the angle lever 27 and 30 releasably on the associated axes, for. B. by clamping connection or in any other way to arrange.
  • the axes 26a and 26b are each arranged in swivel abutments 42 and 43, which are made of upright parts, for. B. formed as a fork, can exist.
  • the pivot abutments 42 and 43 are attached to the top of the gripper structure, for example by welding.
  • the pivot abutments 42 and 43 can be reinforced by lateral and / or inner insert parts, so that the reaction forces of the piston-cylinder units 25a and 25b can be absorbed without deformation.
  • the reference numeral 45 designates a handle which, in the embodiment shown, is designed as a circular ring in the top view of FIG. 5, ie with a view of the vertical axis of rotation 44.
  • This handle 45 is in one piece, for example by welding, assigned to the web 4, 5 via spokes, not shown in detail, and has such a large diameter that it can be comfortably gripped by a person standing next to the device.
  • a coupling piece 46 is arranged, the z. B. is connected by welds to the handle 45 and / or the web 4, 5.
  • With 47, 48 coupling carriers are designated, which are connected by screws 49, 50 to the coupling piece. 51 is a cat body of a trolley to be described in detail.
  • This cat body 51 consists of two parallel and spaced hollow rails 52 and 53, the z. B. can consist of two with their horizontally extending legs directed against each other U-profiles, but can also be designed in a different way.
  • a guide groove, slot, or raceway can be formed between the rails to guide the carriage.
  • the rails 52 and 53 of the trolley body 51 are held in one piece by cross members 54 and 55 at a distance.
  • the cross members 54 and 55 are connected to the profile rails 52 and 53 by welding.
  • the trusses 54 and 55 can also profile iron, z. B. U-iron or the like.
  • trolleys 56 and 57 with rollers 58, 59 and 60, 61 are arranged to be movable in the X and Y directions by a limited amount.
  • the rollers can be moved in the grooves, grooves or the like.
  • the rollers have horizontal axes of rotation.
  • the travel path in the X or Y direction is limited by stops 62, 63 or 64, 65. These stops can be formed by heads of screws or other suitable elements which are integral with the relevant rails 52 or 53, for. B. but releasably connected.
  • the trolleys 56 and 57 can be coupled to one another so that together they form a trolley which can be moved in the X and Y directions, on which the device underneath, e.g. B. over the coupling piece 46 and the coupling carrier 47, 48, so that by moving in the direction X or Y all the device parts arranged below it, including the paving stone layer 51 to a limited extent in the direction X or Y of the previously taken coaxial center line 44 all parts can be moved.
  • a suspension rail 66 or 67 is connected to each crossmember 54 or 55, which is connected in one piece to the central longitudinal section of the respective crossmember 54 or 55 by screws 68 or 69.
  • each hanging rail 66 or 67 is designed in the manner of a standing U, in the U-shaped area of which the screws or the screw head 68 or 69 are arranged.
  • Each of the hanging rails 66, 67 forms part of a trolley 70 or 71, to which pairs of rollers 72, 73 or 74, 75 with horizontal axes of rotation are also assigned, which likewise
  • undercarriages 70 and 71 can also be connected to one another to form a mobile trolley which is movable in the directions A and B.
  • the rollers 72, 73 and 74, 75 also run in profile rails 76, 77, which are offset by 90 degrees to the level of the profile rails 52 and 53, but run in a horizontal plane, thus parallel to the profile rails 52 and 53.
  • the profile rails 76 and 77 are arranged in the illustrated embodiment at the same distance as the profile rails 52 and 53 and also run parallel to one another.
  • the carriages 70 and 71 can be moved in the aforementioned manner in the direction A and B via their rollers 72 to 75.
  • the travel path is also limited by stops 78, 79 and 80, 81. These stops 78 to 81 can be configured in the same way as the stops 62 to 65.
  • the trolleys can be connected to the coupling carriers.
  • the rails 76 and 77 are in one piece in the middle length range by two spacers 82 and 83, z. B, connected by welding.
  • the spacer rails 82, 83 can also be profiled bars, for example U-bars or the like, which are arranged parallel and at a distance from one another and in the middle length range by means of spacers 84 and 85, preferably also by welding, in one piece with one another to form a very solid frame construction are connected.
  • a coupling flange 87 is fastened by means of several screws 86, to which a rotary motor 88, e.g. B. a hydraulic rotary motor is assigned, which can be driven continuously in the direction T or K (FIG.
  • the rotary motor 88 can be abutted via a coupling part 89 to a crane hook or the like, not shown, so that the entire device hangs on it. In this way, by driving the rotary motor 88, it is possible to control the entire device in the direction T or K by remote control about the vertical axis 44 and to lock it in any rotational position. It is also possible that the device attached to the two trolleys arranged one above the other in horizontal planes, e.g. B. in the X or Y direction to move next to the center line 44 and / or to bring about a movement in the X or Y direction.
  • the two trolleys which are arranged one above the other, but offset by 90 degrees in their directions of movement, can also be steplessly controlled by a motor and stopped and locked in any intermediate positions.
  • the arrangement has been made so that the diameter of all the rollers 58 to 61 on the one hand and 72 to 75 on the other hand is so large that the rollers are largely supported on the upper and lower flanges or only a relatively small amount of play between them respective inner upper flange and the rollers, so that even a strong tilting moment can not lead to tilting of the trolleys. Furthermore, you have it by spacing the axes, for example, the axes of rotation of the rollers 58, 59 or 72, 73 in hand, also to prevent the load from swinging when the device is extended relatively far from the vertical center line 44.
  • the web 4, 5 can also be designed in the embodiment according to FIGS. 5 to 8 as a vertical tube or solid wall part, or else have the design as described in connection with the embodiment according to FIGS. 1 to 4.
  • the support part 4, 5 is in turn connected in one piece to the handwheel 45, which, for. B. can be designed as a vertical pin in the upper region and here passes through an opening 90 which is arranged in a bottom of the housing 91 of a hanging bearing.
  • the handwheel 45 which, for. B. can be designed as a vertical pin in the upper region and here passes through an opening 90 which is arranged in a bottom of the housing 91 of a hanging bearing.
  • a plurality of roller bodies 92 are arranged, which can be designed to be infinitely rotatable in both directions about a vertical axis.
  • a plate 93 which is connected in one piece to the supporting part 4, 5 by welding, is mounted, which can thus be displaced to a limited extent on all sides in the horizontal plane by abutment against the walls of the opening 90, as a result of which the device hanging on this plate 93 also the piston-cylinder units, the gripping tongs and the paving stone layer 41 which has been picked up can also be displaced in any direction, to a certain extent articulated.
  • Reference numeral 88 in turn denotes a rotary motor, which can have the same design and arrangement as the rotary motor in FIG. 5.
  • This rotary motor 88 is in turn fixedly but releasably connected by a flange 46 to a flange 94 of the housing 91 by screws.
  • the reference number 95 denotes a hanger which can be attached to a crane hook or the like.
  • the thrust bearing 91, 92 and 93 can optionally by a rubber or plastic block with rubber-elastic properties, for. B. be replaced by a silent block, which is in some way articulated deformable, which also allows a certain deformation or displacement in the horizontal plane.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Machines (AREA)
EP84106340A 1983-10-28 1984-06-04 Dispositif pour la pose de pavés Withdrawn EP0139827A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3339115 1983-10-28
DE19833339115 DE3339115A1 (de) 1983-10-28 1983-10-28 Vorrichtung zum verlegen von pflastersteinen

Publications (2)

Publication Number Publication Date
EP0139827A2 true EP0139827A2 (fr) 1985-05-08
EP0139827A3 EP0139827A3 (fr) 1986-07-16

Family

ID=6212942

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84106340A Withdrawn EP0139827A3 (fr) 1983-10-28 1984-06-04 Dispositif pour la pose de pavés

Country Status (3)

Country Link
EP (1) EP0139827A3 (fr)
JP (1) JPS60105703A (fr)
DE (1) DE3339115A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165523A (en) * 1984-10-13 1986-04-16 Donald George Ross Improvements relating to block handling apparatus
FR2663622A1 (fr) * 1990-06-25 1991-12-27 Sk Kk Fixation pour charger et decharger un element de construction.
GB2279639A (en) * 1993-04-01 1995-01-11 Newquake Limited Paving stone laying tool
WO2003024883A2 (fr) * 2001-09-19 2003-03-27 William Bruce Smith Systeme et procede permettant d'enlever et de remplacer des dalles de chaussee rigides
GB2413543A (en) * 2004-04-29 2005-11-02 John Sanderson Lifting device for planar objects, particularly paving slabs
EP2428484A1 (fr) * 2010-09-13 2012-03-14 E. Norton & Associates Appareil de levage hydraulique
US8459897B1 (en) 2012-06-08 2013-06-11 Ronald A. Knapp Fragmented slab lifting apparatus and method
CN106948244A (zh) * 2017-05-02 2017-07-14 上海铁路局杭州工务段 悬臂式全电动步行板换装车

Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
DE3616808A1 (de) * 1986-05-17 1987-11-19 Michael Hubertus Richterich Selbstein- und ausrichtende steinverschiebverlegezange
DE3738733A1 (de) * 1987-11-14 1989-05-24 Werner Keller Verlegegeraet fuer gruppen bzw. schichten von belagelementen, insbesondere pflastersteinen
JPH049407U (fr) * 1990-05-15 1992-01-28
DE4130955A1 (de) * 1991-09-04 1993-03-18 Ulrich Rein Maschinell betaetigbare greifzange fuer bordsteine und dergleichen jeweils formgleiche bauelemente

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GB704571A (en) * 1951-11-05 1954-02-24 R H Corbett & Company Ltd Improvements in or relating to automotive lifting trucks and like vehicles
DE1117280B (de) * 1959-02-05 1961-11-16 Peter Moskopf Vielfachgreifer zum Stapeln, Arken und Verladen von Deckensteinen, Platten od. dgl.
US3103282A (en) * 1962-02-28 1963-09-10 Cleveland Crane Eng Article grab
US3825293A (en) * 1973-07-27 1974-07-23 Lingl Corp Brick gripping apparatus
FR2386641A1 (fr) * 1977-04-06 1978-11-03 Langsdorff Bau Procede et dispositif de production d'un pavage constitue par des paves separes
DE2730629A1 (de) * 1977-07-07 1979-01-25 Oldenburger Betonsteinwerke Vorrichtung zum klammern und ausrichten einer lage pflastersteine zu einer verlegeeinheit
FR2410713A1 (fr) * 1977-12-03 1979-06-29 Oldenburger Betonsteinwerke Procede et dispositif pour cramponner et enligner une couche de dalles de beton a elements d'emboitement en un ensemble de pose
DE3128585A1 (de) * 1981-07-20 1983-02-17 Rudolf N. 8034 Germering Aumiller Beton-pflasterstein-mehrlagenverlegeverfahren
WO1983001797A1 (fr) * 1981-11-23 1983-05-26 Göpfert, Reinhard Dispositif automoteur pour le transport d'elements lourds en beton
WO1983003270A1 (fr) * 1982-03-17 1983-09-29 Verheijen Maschf Bv Procede et appareil de revetement mecanique de routes

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DE7736974U1 (de) * 1979-02-08 Oldenburger Betonsteinwerke Gmbh, 2906 Wardenburg Vorrichtung zum Klammern und Ausrichten einer Lage von Betonsteinen mit Verbundelementen zu einer Verlegeeinheit
DE2731942A1 (de) * 1976-12-03 1979-02-01 Barth Kg Dr Vorrichtung zum verlegen von bodenbelagelementen
DE7717723U1 (de) * 1977-06-04 1977-10-13 Lahn-Waschkies Gmbh & Co Kg, Reinhard Schneider, 6301 Heuchelheim Vorrichtung zum verlegen von bodenplatten
DE2853656C2 (de) * 1978-12-13 1986-06-26 Optimas Bauelemente u. Baugeräte GmbH, 2915 Saterland Gerät zum Verlegen von Pflastersteinen
DE8230672U1 (de) * 1982-11-02 1984-04-12 Zapf, Werner, 8580 Bayreuth Pflasterstein-verlegeeinrichtung

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB704571A (en) * 1951-11-05 1954-02-24 R H Corbett & Company Ltd Improvements in or relating to automotive lifting trucks and like vehicles
DE1117280B (de) * 1959-02-05 1961-11-16 Peter Moskopf Vielfachgreifer zum Stapeln, Arken und Verladen von Deckensteinen, Platten od. dgl.
US3103282A (en) * 1962-02-28 1963-09-10 Cleveland Crane Eng Article grab
US3825293A (en) * 1973-07-27 1974-07-23 Lingl Corp Brick gripping apparatus
FR2386641A1 (fr) * 1977-04-06 1978-11-03 Langsdorff Bau Procede et dispositif de production d'un pavage constitue par des paves separes
DE2730629A1 (de) * 1977-07-07 1979-01-25 Oldenburger Betonsteinwerke Vorrichtung zum klammern und ausrichten einer lage pflastersteine zu einer verlegeeinheit
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165523A (en) * 1984-10-13 1986-04-16 Donald George Ross Improvements relating to block handling apparatus
FR2663622A1 (fr) * 1990-06-25 1991-12-27 Sk Kk Fixation pour charger et decharger un element de construction.
GB2279639A (en) * 1993-04-01 1995-01-11 Newquake Limited Paving stone laying tool
GB2279639B (en) * 1993-04-01 1996-09-11 Newquake Limited Lifting device for flag stones etc
WO2003024883A2 (fr) * 2001-09-19 2003-03-27 William Bruce Smith Systeme et procede permettant d'enlever et de remplacer des dalles de chaussee rigides
US6595718B2 (en) * 2001-09-19 2003-07-22 Works R&D, Inc. Exo-lift
WO2003024883A3 (fr) * 2001-09-19 2004-04-22 William Bruce Smith Systeme et procede permettant d'enlever et de remplacer des dalles de chaussee rigides
GB2413543A (en) * 2004-04-29 2005-11-02 John Sanderson Lifting device for planar objects, particularly paving slabs
GB2413543B (en) * 2004-04-29 2007-07-11 John Sanderson Lifting device
EP2428484A1 (fr) * 2010-09-13 2012-03-14 E. Norton & Associates Appareil de levage hydraulique
US8459897B1 (en) 2012-06-08 2013-06-11 Ronald A. Knapp Fragmented slab lifting apparatus and method
CN106948244A (zh) * 2017-05-02 2017-07-14 上海铁路局杭州工务段 悬臂式全电动步行板换装车
CN106948244B (zh) * 2017-05-02 2022-09-16 上海铁路局杭州工务段 悬臂式全电动步行板换装车

Also Published As

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DE3339115C2 (fr) 1989-03-02
DE3339115A1 (de) 1985-05-15
EP0139827A3 (fr) 1986-07-16
JPS60105703A (ja) 1985-06-11

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