EP1773707B1 - Hebeanordnung - Google Patents

Hebeanordnung Download PDF

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Publication number
EP1773707B1
EP1773707B1 EP05794886A EP05794886A EP1773707B1 EP 1773707 B1 EP1773707 B1 EP 1773707B1 EP 05794886 A EP05794886 A EP 05794886A EP 05794886 A EP05794886 A EP 05794886A EP 1773707 B1 EP1773707 B1 EP 1773707B1
Authority
EP
European Patent Office
Prior art keywords
power unit
platform
mast
assembly according
motor
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
EP05794886A
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English (en)
French (fr)
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EP1773707A1 (de
Inventor
Xavier Lombard
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Individual
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Individual
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Publication date
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Publication of EP1773707A1 publication Critical patent/EP1773707A1/de
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Publication of EP1773707B1 publication Critical patent/EP1773707B1/de
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/16—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure
    • B66B9/187—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure with a liftway specially adapted for temporary connection to a building or other structure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/18—Scaffolds primarily resting on the ground adjustable in height
    • E04G1/20—Scaffolds comprising upright members and provision for supporting cross-members or platforms at different positions therealong

Definitions

  • the invention relates to an elevator assembly as described for example in the document EP-A-1,260,480 .
  • lifting assembly is meant a lifting device in which a platform is adapted to have different heights on a mast, allowing a vertical movement of a load.
  • an elevator assembly may be an elevator, a freight elevator, a rack platform, etc.
  • the invention relates to a driving unit of the elevator assembly, fulfilling a driving function and a guiding function of the platform along the mast.
  • the invention also relates to a geared motor which can in particular be integrated in a power unit of a lift assembly.
  • the invention also relates to a power unit provided with a braking regulator device.
  • Said device finds particular applications on elevators provided with two masts, and two motor units for up and down simultaneously along two masts, so as to move a platform mounted between the two masts.
  • the invention finds applications, inter alia, in the field of construction, for example on construction sites.
  • An object of the invention is to provide a power unit capable of raising and guiding various lifting devices along a mast.
  • the elevating devices may be different in the sense that the trays have different weights and dimensions, but also in the sense that the same tray may require different guidance and driving functions according to the needs of a user.
  • Another object of the invention is to provide a geared motor, which can be mounted in a power unit of a lift assembly, said power unit being able to reduce the forces in the guides and the reactions on the mast carrying the unit. driving.
  • Such a power unit may be particularly advantageous in the case where the platform carried by the power unit extends overhang on the rack mast.
  • the scaffolding comprises an elevator assembly.
  • the elevator assembly is provided with at least one rack mast.
  • the mast can be mounted as and when the elevation of the building or the structural work completed.
  • a motorized platform can move vertically along the rack mast, and thus have different heights on said mast.
  • the platform is powered by a power unit comprising at least one engine block and at least two roller boxes. The power unit is guided on the rack mast.
  • the platform is attached to the drive unit which raises it and guides it along said rack mast.
  • the motor units currently known are monoblocks. By monobloc means that the engine block, completing the motor function, and the roller box, fulfilling the guiding function, form a single set.
  • the drive function can not be individualized from the guidance function.
  • this monobloc power unit has a specific structure that changes depending on the platform to be raised and the rack-and-pinion along which it is guided. Indeed, the size of a tray of an elevator, a work platform, a freight elevator or a material hoist is not the same. Each of these lift assemblies must therefore be arranged differently relative to the mast on the one hand and to the power unit on the other hand.
  • the load plate of said hoist is secured to a rack mast via a drive unit.
  • a pan of the mast carrying the rack is directed outwardly with respect to the construction along which the hoist is mounted, and extends in a plane parallel to a plane of the construction.
  • the load plate is hooked on a side face of the power unit, i.e. the power unit is located next to the load plate.
  • the load plate can not be on the side of the face receiving the motors because of the congestion of the latter and the need for the load plate down as close as possible to the ground.
  • the platform of said elevator is secured to a rack mast, via a different drive unit.
  • the pan of the mast carrying the rack is directed outward with respect to the construction along which the elevator is mounted, but extends in a plane perpendicular to a plane of the construction.
  • the platform is hung under the power unit.
  • a construction lift carries equipment with a high weight.
  • the work plate is also attached to the side faces of the power unit.
  • the pan of the mast carrying the rack extends in a different plane of the mast carrying a hoist load.
  • the driving unit has a different structure.
  • the drive unit of the invention is formed of a plurality of modular elements, which can be secured to one another, and then separated if necessary, in order to fulfill a driving function and a flexible guiding function according to the device. relevant elevator and in a rack-and-pinion orientation.
  • each element is independent, said modular elements can be stacked in a variable order and in variable numbers as needed.
  • the elements fulfilling the motor function can be varied in number, depending on the weight to be lifted and / or the desired speed.
  • the elements fulfilling the guiding function can be varied in number as needed.
  • the modular elements fulfilling the motor function are interchangeable with each other, just as the modular elements fulfilling the guiding function are interchangeable between them.
  • the elevator device of the invention comprises at least one rack mast along which a platform of the device elevator can be mounted and lowered at will by means of a motor unit adjustable according to the invention.
  • the drive unit comprises at least one motor unit, fulfilling the driving function, and at least two roller boxes fulfilling the guiding function along the rack mast.
  • the roller boxes frame the engine block, so as to ensure good guidance of the engine block along the mast, and prohibit any tearing of the engine block relative to the rack-and-pinion. It is possible to provide the power unit with several roller boxes, for example four, two roller boxes being located above the engine block and two roller boxes being located below the engine block.
  • the power unit can itself be provided with several engine blocks according to the importance of the load to be lifted.
  • the modular elements of the power unit are secured to each other by means of mechanical correspondences, coinciding with each other.
  • the motor unit of the invention thus adjustable in its driving function and in its guiding function, can be hung on all kinds of rack-and-pinion poles, that is to say whatever orientation of the mast section the rack with respect to a wall along which the mast is mounted.
  • the platform of the elevator device can be hung above, below, on a right side, a left side, a front face or a rear face of the power unit, according to a destination of the work plate.
  • the same power unit can be used to mount and guide a construction elevator, a jack-up platform, or any other lifting device.
  • the invention also relates to an engine block whose rigidity is important, but a low total weight.
  • the engine block of the invention is provided with a carrier plate on which a motor and a reducer are fixed.
  • the geared motor according to the invention is provided with a reaction arm integral with the plate and a drive shaft of the gearbox.
  • the motor and the gearbox are mounted floating relative to the drive shaft.
  • the drive shaft extends a substantial length above the plate. Length means the largest dimension of the drive shaft, perpendicular to the plate.
  • the stresses to which the plate is subjected are at least partially taken up by the reaction arm.
  • the geared motor of the invention can be advantageously used as a motor of the motor unit of the drive unit of the invention.
  • the invention also relates to a power unit of which an engine block is provided with a backup braking device, able to compensate for a failure of the main drive device.
  • Two motor units provided with such engine blocks can advantageously be mounted on two rack-mounted masts, spaced apart from each other and interconnected by a platform.
  • the platform a total length strictly greater than a distance between the two masts, is secured by two opposite ends of the two masts.
  • Power units with their own motors move up and down at different speeds and are electrically synchronized.
  • the braking device or the power supply of at least one of the two motor units is faulty, that is to say that it does not work or only partially.
  • the end of the fixed platform of the power unit whose braking device is defective descends more quickly than the end of the fixed platform of the power unit whose braking device is working properly.
  • the platform descends askew.
  • the mast carrying the end of the platform that descends the most bends towards the second mast, which can cause it to break.
  • Such a rupture of one of the masts obviously has serious consequences from a material point of view and sometimes even human.
  • the driving unit of the invention is such that the emergency braking device is actuated as soon as a difference in level between the two ends of the platform is installed.
  • the emergency braking device then makes it possible to brake a descent of the end of the platform whose braking device or power supply is faulty, along the mast. concerned until the two ends are found again in the same plane perpendicular to the masts.
  • Rack mast means an assembly consisting mainly of at least two vertical uprights and a rack disposed between the two vertical uprights, or along an upright.
  • platform is meant the platform of the device to be raised, intended to carry the loads.
  • the platform extends in a plane substantially parallel to the ground.
  • a first motor unit comprises a geared motor and a braking device
  • a second motor unit comprising a single geared motor
  • Roller box means a device comprising a structure on which cylindrical wheels are mounted in staggered rows, so that vertical uprights of the mast on which the structure is mounted, are framed by the wheels. The wheels thus allow the guidance of the structure on said uprights.
  • adjacent modular element is meant a modular element located above or below the modular reference element.
  • the modular elements are interchangeable, they all have mechanical fasteners arranged so as to coincide with each other. others, from one modular element to another. It is thus possible to stack a variable number of modular elements, in any order.
  • said platform is hooked on a side face, an upper face or a lower face of the power unit.
  • the invention also relates to a geared motor carried by a plate and having, on a first side of the plate, a drive gear mounted on a drive shaft of the geared motor, characterized in that the driving shaft extends perpendicular to the plate, a second side of said plate, a free end of the shaft drive, located on the second side of the plate, being integral with a reaction arm, said reaction arm being fixed on the plate.
  • the reaction arm can be formed on the platen.
  • the plate is provided at the location of an end bearing the drive shaft, opposite the end bearing the motor, a vertical projection, extending perpendicular to the portion of the platen carrying the motor and the gearbox, said projection extending substantially parallel to the drive shaft. It is also possible to produce an independent reaction arm, which is secured, for example by welding or screwing, to the plate.
  • the geared motor is mounted floating on the plate and is provided with means for measuring the torque. Such means therefore allow the weighing of a transported load.
  • transported load means the load displaced, for example, along a rack mast by means of said geared motor.
  • said means may also be able to detect a commitment of a braking regulator device.
  • the invention also relates to a drive unit for guiding an elevator assembly along a rack mast, said unit being provided with an engine block and a braking device, characterized in that it is provided with a braking regulator device.
  • Such a braking regulator device warns of a possible overspeed and may if necessary regulate a descent speed of the drive unit, and therefore of the platform.
  • the braking device comprises a centrifugal braking mechanism with a shaft driven by a displacement of the driving unit
  • the regulating device comprises a slide-in slide-mounted slide passageway formed in the power unit, two opposite ends of the drawer being located at two opposite sides of the power unit, each end of the drawer being intended to be secured to one end of a platform, a translation of a first end of the drawer towards the inside of the housing accompanied by a translation of a second end of the drawer out of said housing, and a plate mounted in translation, and fixed in rotation, with respect to the unit motor, the translations of the drawer accompanied by a moving the plate towards a disk carried by the shaft of the braking mechanism.
  • the invention also relates to a lift assembly provided with a modulable power unit whose motor unit comprises a geared motor of the invention.
  • the invention also relates to an elevator assembly provided with two rack-mounted masts, a platform carried by the two masts and able to move vertically along said masts, and two motor units that can be modulated according to the invention, each unit motor unit being mounted on a mast, said motor units controlling a vertical displacement of the platform along the masts, at least one power unit comprising a braking regulator device according to the invention.
  • said elevator assembly is provided with an integral synchronization shaft by two opposite ends of an engine and / or a parachute of each of the power units.
  • the synchronization shaft can thus be integral with a drive shaft of each of the motors, ensuring perfect synchronization of the two motors.
  • Parachute means a braking device intended to stop and keep the platform at a standstill. The parachute is then included in the engine block.
  • FIG. 1 shows an elevator assembly 10 provided with a rack mast 11 along which a platform 12 is slidably mounted by means of a power unit 100.
  • the power unit 100 comprises a power unit 101, framed by an upper roller box 102 and a lower roller box 103.
  • the upper roller box 102 is secured to an upper face 104 of the engine block 101.
  • the lower roller box 103 is secured to a lower face 105 of the motor unit 101.
  • By lower is meant directed downwards in Figures 1, while upper is heard directed upwardly in the figures.
  • the engine block 101 comprises a geared motor 106 and a braking device 107 such as a parachute.
  • the power unit 100 is driven on the mast 11 via a rack 13.
  • An output gear (not visible) of the geared motor 106 meshes along the rack 13, allowing up or down the the driving unit 100.
  • the platform 12 being integral with the drive unit 100, and more precisely the upper roller boxes 102 and lower 103, the descent or the rise of the driving unit 100 is accompanied by the descent or the platform 12 is thus able to move along the mast 11 via the driving unit 100.
  • the platform 12 is secured to the lateral faces 108. roller boxes, and is therefore attached to the sides of the power unit 100.
  • FIG. 2 shows another example of an elevator assembly 20.
  • the elevator assembly 20 is provided with a mast 21 provided with a rack 22.
  • Two motor blocks, 200 and 201 respectively, are mounted in translation on the mast.
  • the lower engine block 200 located lowest in FIG. 2, comprises a geared motor 203 and a parachute 204.
  • the lower engine block 200 is mounted between an upper roller box 205 and a roller box. 206.
  • a fork 23, intended to receive an elevator car, is mounted on lateral faces 207 of the upper roller box 205 situated above the lower engine block 200.
  • the upper engine block 201 comprises a geared motor. 209.
  • An upper roller box 210 and a lower roller box 211 enclose the engine block 201.
  • a spacer 212 is mounted on the mast 21 between the lower roller box 211 and the upper roller box 205.
  • the spacer 212 increases a distance D between the lower engine block 200 of the upper engine block 201.
  • distance D is meant the dimension, parallel to the mast 21, separating the two motor blocks 200 and 201.
  • the drive unit according to FIG. 2 thus comprises two motor blocks 200 and 201, four roller boxes 206, 205, 211, 210 and a spacer 212.
  • the platform 23 is integral with the box. rollers 205 secured to the lower engine block 200.
  • the elevator assembly 30 is provided with a rack 31 32 on which is mounted in translation a load platform 33.
  • the load platform 33 is made movable along the mast 31 via a power unit 300.
  • the power unit 300 comprises a motor unit 301 provided with a geared motor 302 and a parachute 303.
  • a lower roller box 304 and an upper roller box 305 surround the engine block 301.
  • the power unit 300 comprises a spacer 306 and a third roller box 307 located at the location of an upper face 308 of the spacer 306.
  • the power unit 300 is provided in order, d an upper roller box 307 secured to an upper face 308 of a spacer 306, itself secured to an upper face 309 of a second upper roller box 305, itself integral with an upper face 310 of a motor unit 301, itself secured to an upper face 311 of a housing
  • the load platform 33 is secured to an upper face of the power unit 300.
  • the platform 33 is located above the power unit 300.
  • FIG 4 there is shown a fourth embodiment of elevator assembly 40 of the invention.
  • the elevator assembly 40 is provided with a mast 41 with rack 42, along which a load platform 43 is mounted in translation.
  • the translation is allowed thanks to a power unit 400.
  • the power unit 400 comprises a motor unit 401 provided with a gear motor 402 and a parachute block 403.
  • the motor unit 401 is framed by an upper roller box 404 and a lower roller box 405.
  • a lower face 406 of the lower roller box 405 is integral with an upper face 407 of a spacer 408.
  • a lower face 409 of the spacer 408 is itself integral with a upper face 410 of a second lower roller box 411.
  • the load platform 43 is secured to the second lower roller box 411.
  • the engine block 401 is located above the load platform 43 .
  • FIG 5 there is shown a fifth embodiment of a lift assembly 50 of the invention.
  • the elevator assembly 50 is provided with a rack mast 51 and a drive unit 500.
  • the drive unit 500 is provided with a motor block 501 flanked by a lower roller box 502 and a upper roller box. 503.
  • the engine block 501 comprises a geared motor 504 and a parachute 505.
  • the power unit 500 allows to descend or mount along the mast 51 a load platform 53.
  • the platform 53 is located on one side of the power unit 500.
  • the load platform 53 is cantilevered on a single side face 506 of the roller boxes 501 and 502.
  • said platform is fixed load form 53 to the drive unit 500 through two brackets 507 (a single bracket 507 visible) fixed on the one hand to the power unit 500 and on the other hand to the load platform 53.
  • a vertical upright 508 of the bracket 507 is secured to the drive unit 500, while a horizontal upright 509 of the bracket 507 is secured to the load platform 53.
  • the amount of horizontal 509 is formed by the load platform 53 itself.
  • the force is distributed on the drive unit 500, via the upright 508.
  • the roller box lower 502 which takes the efforts due to the platform 53, but the two roller boxes respectively lower 502 and upper 503 ..
  • each support fork is secured to a corresponding roller box. We then bring the platform, which is supported by the support fork.
  • the support fork may have, for example, a hooking end adapted to fit over a recess length on a roller box of the power unit.
  • the support fork is secured to the brackets 507, or partially forms said brackets 507.
  • the drive unit of the invention is therefore provided with a plurality of modular elements comprising at least two roller boxes, at least one motor unit, and possibly a spacer.
  • the number of roller boxes, engine blocks and the presence or absence of spacer varies depending on the platform to be moved along the mast.
  • the power unit 600 is mounted on a mast 61 of triangular section.
  • triangular section is meant that the mast 61 is a mast with 3 faces, one of the faces 67 carrying a rack 62.
  • the face 63 of the mast 61 carrying the rack 62 also carries the drive unit 600.
  • the power unit 600 is shown partially in Figure 6A.
  • the drive unit 600 comprises a lower roller box 601 secured to a lower face 603 of a motor unit 604.
  • the power unit 600 furthermore comprises an upper roller box (no shown) integral with an upper face 605 of the engine block 604.
  • the roller boxes make it possible to guide the engine block 604, which itself has a driving function, along the mast 61.
  • each roller box 601 is provided with guide rollers 606 (only 2 guide rollers 606 visible in FIG. 6A).
  • the mast 61 is, as specified above, provided with three faces.
  • the mast 61 is more precisely formed of three vertical uprights, respectively 64, 65 and 66, arranged relative to one another to form a triangle, said uprights 64, 65 and 66 being connected together by transverse bars 67 spaced regularly along the mast 61.
  • the front face 63 of the mast 61 is formed by two vertical uprights 64 and 65 and cross bars 67 connecting the two uprights 64 and 65 to one another.
  • the rack 62 is integral with the transverse bars 67.
  • the guide rollers 606 of the upper and lower roller boxes of the power unit 600 frame the uprights 64 and 65. That is to say that each roller box 601 is provided with at least six guide rollers 606, arranged in three, so that each vertical upright 64 is surrounded by three guide rollers 606.
  • the motor unit 604 of the power unit 600 is provided with at least one rack-against counter 608 rolling along a smooth face of the rack 62.
  • the drive unit 600 further comprises a spacer 609.
  • These modular elements respectively roller box 601, engine block 604 and spacer 609 are secured to each other, as required, by means of mechanical fasteners for securing the different modular elements to each other.
  • the mechanical fastener elements are formed by orifices 610, screws 611 and nuts; that is, orifices 610 on a first modular element coincide with orifices 610 on a second adjacent modular element. A screw is then introduced into said orifices 610, which are held in the two coinciding orifices 610 by means of a nut, to mechanically hold said modular elements together.
  • Each modular element, 601, 604, 609 has at its top and bottom ends, a plate 612 on which are formed the orifices 610.
  • Plate 612 is a sheet extending perpendicular to an axis of the modular element concerned. When it is desired to secure two modular elements to one another, the plate 612 is placed at the location of an upper end of a modular element on the plate 612 located at the end of one end. lower part of the adjacent modular element.
  • the driving unit 620 comprises a motor unit 621, framed by a lower roller box 622 and a roller box. 623.
  • the upper roller box 623 is secured to a spacer 624, itself secured to a second upper roller box 625.
  • a platform 68 is secured to the side faces 626, 627, 628 and 629 of the boxes. with upper rollers 623 and lower 622 of the drive unit 621.
  • FIG 7 there is shown an enlargement of a work plate 70 can be carried by a drive unit of the invention.
  • the work plate 70 is provided with a succession of horizontal tubular elements 71 able to fit into each other. That is to say that one end of a first horizontal tubular element 71 is able to fit into a second horizontal tubular element 71, and so on step by step, until a platform length is obtained. 70 desired.
  • the adjacent horizontal tubular elements 71 are connected together by a connecting device 75.
  • a horizontal tubular element 71 is provided with an end 73 adapted to fit into one end 74 of an adjacent horizontal tubular element 71.
  • the connecting device 75 keeps this interlocking.
  • the connecting device 75 is provided with an axis 76 carrying two sleeves 79 and 80.
  • the axis 76 is housed in an orifice 77, the orifice 77 corresponding to the superposition of two orifices formed at the location of two nested ends 73 and 74.
  • the axis 76 is held in position in the orifice 77, for example by a pin.
  • the sleeves 79 and 80 are able to receive guards forming, for example, guardrails.
  • an elevator assembly 80 of the invention can be seen, in cross-section, at the location of the power unit of the power unit 800.
  • a mast 81 is provided at the location of a front face 82, a rack 83.
  • the drive unit 800 is mounted in translation on and along the front face 82 of the mast 81, so as to mesh with the rack 83.
  • the power unit 800 comprises in particular a geared motor 801.
  • the geared motor 801 comprises a motor 802, and a reducer (not visible) whose gear pinion 803 allows to engage the rack 83 in order to raise or lower the power unit 800 along the mast 81.
  • gear motor 801 is carried by a plate 805.
  • the plate 805 is guided along the mast 81 via the roller boxes of the power unit 800 (see Figure 6 A link between the mast and the power unit ).
  • a drive shaft 804 of the geared motor 801 extends perpendicular to the plate 805.
  • the plate 805 carries the drive shaft 804.
  • a first end 806 of the drive shaft 804 drives the gear pinion 803.
  • a second end 807, opposed to the first end 806, or free end, is integral with a reaction arm 808 and is guided in the plate 805 via a bearing.
  • the reaction arm 808 is fixedly mounted on the plate 805.
  • the reaction arm 808 extends perpendicular to the plate 805. More specifically, the reaction arm 808 has a generally L-shaped.
  • a first bar 813 of the L 808 s extends perpendicular to the plate 805 and parallel to the drive shaft 804.
  • a second bar 814 of the L 808, which holds the free end 807 of the drive shaft 804, extends perpendicular to the first bar 813, in the direction of the drive shaft 804.
  • the drive shaft 804 is rotatably mounted on the reaction arm 808. That is, the drive shaft 804 is drivable. in rotation, by the motor 802, the reaction arm 808 being only there to maintain the reaction arm 808 in position and to resume the efforts.
  • the reaction arm 808 belongs to the plate 805.
  • the plate 805 comprises the reaction arm 808, that is to say that the plate 805 is molded with the reaction arm 808
  • the reaction arm 808 is secured to the plate 805 by means of mechanical fastening means, such as screw and nut holes, or by welding.
  • FIG. 8 also shows a roller box 809 at its guide rollers 810.
  • Each lateral face 811 and 812 of the roller box 809 comprises three guide rollers 810.
  • the vertical uprights 84 and 85 of the mast 81, forming the front face 82, are each framed by three guide rollers 810.
  • Two guide rollers 810 are arranged on either side of a vertical upright 84 or 85.
  • the third guide roller 810 is set back from the other two rollers 810, so that the amount 84 or 85 is framed.
  • the roller box 809 can be made in such a way that the rollers 810 can have two different positions in said roller box 809. More specifically, a first position of the rollers 810 can guide the power unit 800 along a mast 81 of larger dimensions, a second position of said rollers 810. In the second position, the rollers 810 are more advanced towards the mast, which guides the motor unit 800 along a mast of smaller dimensions.
  • FIG. 9A the elevator 90 is provided with a platform 91 extending perfectly perpendicularly to two rack masts 92 and 93.
  • FIG. 9B the platform 91 is crooked on the masts 92 and 93. By crooked is meant that all or part of the platform 91 extends obliquely with respect to the two masts 92 and 93.
  • the elevator 90 is provided with two rackmounts 92 and 93 between which a platform 91 is mounted in translation along said masts 92 and 93 via two driving units, respectively 900 and 901, each driving unit 900 and 901 being mounted in translation along a rack mast 92 or 93.
  • Each power unit 900 and 901 is provided with a lower roller box 902 and an upper roller box 903 surrounding a motor unit 904.
  • a platform 91 it is important that the two drive units 900 and 901 operate in a synchronized manner, so that said working plate 91 remains perfectly flat with respect to the two rack-and-pinion mowers 92 and 93.
  • perfectly plane means that the platform 91 extends in a plane perpendicular to the planes containing the rackmills 92 and 93.
  • the braking device 905 of a motor unit 904 operates less well on one of the two motor units 900 or 901, or that a more loaded motor go down faster than the other.
  • the driving units 900 and 901 of the invention are provided, in addition to the braking device 905, with a braking regulator device 906.
  • the braking control device 906 is for example located at the location of the lower roller box 902.
  • the power units 900 and 901 are provided at their lower roller box 902 with a slide device 906.
  • slide device 906 means, passing right through the lower roller box 902, slidable within a housing in the lower roller box 902 (not shown).
  • the ends of the platform 91 are secured to the lower roller box 902 of each power unit 900 and 901 via the slide device 906.
  • the drawer arrangement 906 allows some clearance of the platform 91 relative to the lower roller boxes 902. Indeed, opposed ends 907 and 908 of a drawer located in a roller box 902 are in contact with each other. mechanical connection with ends of the platform 91. Also, when a first end 907 of the drawer out of the housing, the second end 908 of said drawer, it enters said housing, by an opposite end of the housing.
  • FIG. 11 a schematic representation of the braking device 905 and the braking regulator 906 of the engine block 904 can be seen.
  • the braking device 905 comprises for example a centrifugal braking device housed in a cylindrical housing 911, and a shaft 910 driven by a displacement of the driving unit 900 or 901.
  • the shaft 910 is rotatably mounted within the housing 911.
  • a first end of the housing 911 is closed by a first cover 912 fixed to the housing 911.
  • a second end is closed by a second cover 915.
  • the shaft 910 enters the housing 911 through an orifice 913 formed on the first cover 912.
  • a free end 914 of the shaft 910, opposite a rotatably driven end (not shown) is secured to the second cover 915.
  • the shaft 910 is held in position in the orifice 913 by a retaining ring 916 and springs 917, the springs 917 being integral on the one hand with the retaining ring 916 and on the other hand with an inner face 918 of the first cover 912.
  • the braking device 905 is also provided with two pads 920 intended to be applied against the inner wall of the cylinder 911. A friction of the pads 920 against said wall makes it possible to slow down, or even to stop, the rotation of the cylinder 911.
  • the platform 91 descends askew.
  • a cross-position of the platform 91 allows the drawers 906 of the two drive units 900 and 901 to move in translation in their respective housing.
  • the drawer of the lower power unit 900 or 901 actuates, by moving, a connecting rod which, via a rotating arm, presses a disk 923 of the braking regulator device 906 against the second cover 915
  • the disk 923 is fixed in rotation.
  • the cover 923 is provided with tabs 925 capable of being housed in housings 924 formed in the casing 911.
  • the tabs 925 extend radially outwardly on said cover 923.
  • the cover 923 being applied towards the housing 911, the tabs 925 are inserted into the housings 924.
  • the cover 923 being fixed in rotation, it then prevents rotation of the cylindrical housing 911.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Types And Forms Of Lifts (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Claims (15)

  1. Hebezusammenbau (10, 20, 30, 40, 50, 60, 70, 80, 90), der
    - zumindest einen Zahnstangenmast (11, 21, 31, 41, 51, 61, 81, 92, 93),
    - eine Plattform (12, 23, 33, 43, 53, 91), die sich vertikal an den Mast entlang bewegen kann,
    - zumindest eine motorische Einheit (100, 300, 400, 500, 600, 800, 900, 901), die auf dem Mast montiert ist und eine vertikale Bewegung der Plattform an den Mast entlang steuert, enthält,
    dadurch gekennzeichnet, daß die motorische Einheit eine Pluralität von Modularelementen, davon zumindest einen Motorblock (101, 200, 201, 301, 401, 501, 604, 621, 801, 904), zumindest einen oberen Rollenkasten (102, 205, 210, 305, 404, 503, 627, 903) und zumindest einen unteren Rollenkasten (103, 206, 304, 405, 502, 601, 629, 902), umfasst, wobei die oberen und unteren Rollenkasten einerseits und anderseits des Motorblocks angeordnet sind, jedes untere Modularelement austauschbar ist, und mechanische Bindungsmittel (610, 611, 612) enthält, die den von jedem anderen Modularelement entsprechen und mit den mechanischen Bindungsmitteln (610, 611, 612) eines angrenzenden Modularelements übereinstimmen, so daß die besagten Modularelemente reversibel solidarisiert werden.
  2. Zusammenbau nach Anspruch 1, dadurch gekennzeichnet, daß die Plattform an einer seitlichen Seite, an einer oberen Seite oder an einer unteren Seite der motorischen Einheit hängt.
  3. Zusammenbau nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, daß er mit Zwischenverbindungselementen versehen ist, die zumindest eine Halterungsgabel enthalten, welche sich senkrecht zum Mast in einen Fortsatz eines Rollenkastens erstreckt, wobei die besagte Halterungsgabel die Plattform hält.
  4. Zusammenbau nach Anspruch 3, dadurch gekennzeichnet, daß die Zwischenverbindungselemente auch zwei Vertikalständer, die je als Winkel (507) montiert und parallel miteinander angeordnet sind, wobei jeder Winkel mit dem Vertikalständer (508), der mit einer seitlichen Seite der motorischen Einheit zusammenhaltend ist, und mit einem Horizontalständer (509), der mit der Halterungsgabel zusammenhaltend oder durch diese gebildet ist, versehen wird.
  5. Zusammenbau nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die motorische Einheit einen Abstandshalter (212, 306, 408, 609, 624) aufweist, wobei der besagte Abstandshalter mechanische Bindungsmittel zum Hängen an den angrenzenden Modularelementen enthält.
  6. Zusammenbau nach Anspruch 5, dadurch gekennzeichnet, daß der Abstandshalter einen Mastschützer bildet.
  7. Zusammenbau nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die motorische Einheit zwei Motorblöcke (200, 201) enthält, und zwar ein erster Motorblock (200), der mit einem oberen Ende des Abstandshalters zusammenhaltend ist und ein zweiter Motorblock (201), der mit einem unteren Ende des Abstandshalters zusammenhaltend ist.
  8. Zusammenbau nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die motorische Einheit zwei oberen Rollenkasten und zwei unteren Rollenkasten enthält.
  9. Zusammenbau nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die mechanischen Bindungselemente Schraubendurchgangsmündungen (610), Schrauben und Muttern (611) enthalten.
  10. Zusammenbau nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die motorische Einheit (900, 901) mit einer Bremsvorrichtung (905) und einer Bremsregelvorrichtung (922) versehen ist.
  11. Zusammenbau nach Anspruch 10, dadurch gekennzeichnet, daß die Bremsvorrichtung einen Fliehbremsmechanismus mit einer durch eine Bewegung der motorischen Einheit angetriebenen Welle (910), und dadurch gekennzeichnet, daß die Regelvorrichtung eine Schublade, die in einer durchgehenden, in der motorischen Einheit angeordneten Aufnahme schiebend montiert ist, wobei zwei gegenüberliegenden Enden (907, 908) der Schublade sich an zwei gegenüberliegenden Seiten der motorischen Einheit befinden, jedes Ende (907, 908) der Schublade dafür bestimmt ist, mit einem Ende der Plattform (91) zusammenhaltend zu sein, wobei eine Übertragung eines ersten Endes (908) der Schublade nach dem Inneren der Aufnahme sich mit einer Übertragung eines zweiten Endes (907) der Schublade außerhalb der besagten Aufnahme bringt, und eine gegenüber der motorischen Einheit übertragend und festdrehend montiertes Blech enthält, wobei die Übertragungen der Schublade sich mit einer Bewegung des Bleches in Richtung einer von der Welle des Bremsmechanismus getragenen Scheibe bringen.
  12. Hebezusammenbau (90) nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß er zwei Zahnstangenmaste (92, 93), eine Plattform (91), die von den zwei Masten getragen ist und sich vertikal an die Maste entlang bewegen kann, zwei motorischen Einheiten (900, 901), wobei jede motorische Einheit an einem Mast montiert ist, die besagten motorischen Einheiten eine vertikale Bewegung der Plattform an die Maste entlang steuern, zumindest eine motorische Einheit mit einer Bremsvorrichtung (905) versehen ist, und eine Bremsregelvorrichtung (922) enthält.
  13. Hebezusammenbau nach Anspruch 12, dadurch gekennzeichnet, daß er mit einer Synchronisierungswelle versehen ist, die durch zwei gegenüberliegenden Enden eines Motors und/oder einer Fangvorrichtung mit jeder von den motorischen Einheiten zusammenhaltend ist.
  14. Hebezusammenbau nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß er einen Getriebemotor (801) aufweist, der von einer Platine (805) getragen ist und auf einer ersten Seite der Platine ein Antriebsräderwerk (803), das an einer Antriebswelle (804) des Getriebemotors montiert ist, enthält, wobei die Antriebswelle (804) sich auf einer anderen Seite der Platine senkrecht zur Platine erstreckt, ein freies Ende (807) der Antriebswelle, die sich auf der anderen Seite der Platine befindet, mit einem Reaktionsarm (808) zusammenhaltend ist, wobei der Reaktionsarm an der Platine fixiert ist.
  15. Hebezusammenbau nach Anspruch 14, dadurch gekennzeichnet, daß er lose an der Platine montiert und mit Mitteln zur Drehmomentmessung versehen ist.
EP05794886A 2004-07-30 2005-07-28 Hebeanordnung Active EP1773707B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0451737A FR2873672B1 (fr) 2004-07-30 2004-07-30 Ensemble elevateur
PCT/FR2005/050628 WO2006021715A1 (fr) 2004-07-30 2005-07-28 Ensemble elevateur

Publications (2)

Publication Number Publication Date
EP1773707A1 EP1773707A1 (de) 2007-04-18
EP1773707B1 true EP1773707B1 (de) 2007-11-21

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US (1) US7942244B2 (de)
EP (1) EP1773707B1 (de)
CN (1) CN100551813C (de)
CA (1) CA2575394C (de)
DE (1) DE602005003480T2 (de)
ES (1) ES2297760T3 (de)
FR (1) FR2873672B1 (de)
RU (1) RU2380313C2 (de)
WO (1) WO2006021715A1 (de)

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CN102166750B (zh) * 2011-05-16 2014-01-29 机械科学研究总院先进制造技术研究中心 定位梁及具有该定位梁的机器人直线运动单元
FR2975388B1 (fr) * 2011-05-19 2014-06-27 Sarl Smap Dispositif de monte-charge
JP5874999B2 (ja) * 2011-10-05 2016-03-02 光洋機械産業株式会社 昇降式足場装置
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CN103334383B (zh) * 2013-07-19 2015-07-08 济南金曰公路工程有限公司 一种高架桥养护施工专用升降装置
CN106255788A (zh) * 2014-02-04 2016-12-21 杰斯珀·赖伯格·洛纳尔迪 用于支架的提升机设备
DE102015105168B4 (de) * 2015-04-02 2024-06-27 HELLA GmbH & Co. KGaA Lichtleiter für eine Beleuchtungseinrichtung
CN105110258B (zh) * 2015-09-24 2017-05-17 青岛静力工程股份有限公司 异步顶升装置和工法
CN105236240B (zh) * 2015-10-29 2017-10-03 广东裕华兴建筑机械制造有限公司 一种导架爬升式工作平台
CN105715026B (zh) * 2016-04-13 2018-01-02 上海建工五建集团有限公司 一种双导架施工升降平台
CN105928956B (zh) * 2016-07-05 2019-01-22 重庆日联科技有限公司 X射线检测系统
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CN107144308B (zh) * 2017-07-07 2024-02-13 宁波如意股份有限公司 一种位移和速度检测装置及其检测方法
JP7340025B2 (ja) * 2019-09-17 2023-09-06 株式会社日立製作所 工事用エレベーター
CN111646386B (zh) * 2020-07-08 2024-05-17 宁波天弘电力器具有限公司 一种升降装置
CN112096032A (zh) * 2020-09-19 2020-12-18 饶孟树 一种结构稳定的钢结构安装用辅助装置
CN112249979B (zh) * 2020-11-24 2022-05-17 广东旭峰建筑工程有限公司 建筑施工用升浆机
CN113264470B (zh) * 2021-05-22 2023-04-25 浙江迦南科技股份有限公司 多角度配合的提升机
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Also Published As

Publication number Publication date
FR2873672B1 (fr) 2008-02-01
CA2575394C (fr) 2009-05-05
US7942244B2 (en) 2011-05-17
ES2297760T3 (es) 2008-05-01
CN100551813C (zh) 2009-10-21
RU2007107592A (ru) 2008-09-20
RU2380313C2 (ru) 2010-01-27
FR2873672A1 (fr) 2006-02-03
EP1773707A1 (de) 2007-04-18
DE602005003480T2 (de) 2008-09-25
DE602005003480D1 (de) 2008-01-03
CA2575394A1 (fr) 2006-03-02
WO2006021715A1 (fr) 2006-03-02
US20080011548A1 (en) 2008-01-17
CN101001803A (zh) 2007-07-18

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