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
  • 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
  • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
  • B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms

Definitions

• the invention relates to a lifting platform comprising, inter alia, a platform and a control console, from this platform, means for moving the nacelle to the ground and / or lifting means of the platform relative to to a chassis of the nacelle.
• a control panel is generally constituted by a parallelepiped casing which carries, on its upper face, buttons and / or control levers intended to be actuated by an operator.
• This housing is, most often, fixed in the upper part of a guardrail of the platform, on one side thereof facing forwards in a direction of main displacement of the nacelle.
• the operator O when it is controlling the platform by means of the control panel, the operator O is at a short distance from this desk so that, if it is struck by a beam P during a moving movement rear, it usually does not have time to stop the displacement of the platform before being firmly pressed against this desk.
• the invention intends to remedy more particularly by proposing a new aerial platform that improves the safety of an operator.
• the invention relates to a lifting platform comprising a chassis equipped with means for moving on the surface of the ground, a platform, means for raising the platform relative to the chassis and a control console, from this platform, means of displacement and / or elevation means.
• the control console comprises two half-panels each equipped with at least one lever or manual control button of the nacelle and arranged on either side of an operator present on the platform in a position of use of these levers or button with both hands, while the volume disposed in front of the operator in this position is devoid of lever and control button.
• the central volume arranged in front of the operator when he uses the control console can be clear of any obstacle likely to injure him, in particular levers or buttons protruding from the surface of the operator. a box of the control console.
• the position of the half-panels, on both sides of the operator is ergonomic insofar as these half-panels are approximately aligned with the forearms of the operator.
• shock with an obstacle occurring from the rear of the operator it is pushed back to the central volume which is less likely to hurt than the desks of the state of the art.
• such a nacelle may include one or more of the following features taken in any technically permissible combination:
• the half-desks are mounted on the nacelle independently of one another.
• At least one half-panel preferably the two half-panels, is or are mounted (s) pivoting (s) relative to the platform.
• the half-panel (s) is or are pivotable (s), each around a vertical axis, relative to the platform.
• the nacelle is equipped with at least one detector which, when the half-panel reaches a stop during a pivoting, emits an activation signal emergency stop means of the nacelle.
• the two half-panels are interconnected by a central console whose width, measured in a horizontal direction perpendicular to a straight line connecting the two half-panels, is less than the size of these half-panels in this direction .
• This console advantageously faces the operator present on the platform in the position of use of the levers or buttons of the half-panels with both hands and it is equipped with information devices without projecting part.
• the half-desks are mounted on a railing of the platform.
• each half-panel can be mounted and hinged on a vertical upright of the railing
• At least one of the half-desks is adjustable in height relative to the platform.
• FIG. 1 is a schematic representation of an impact configuration with a nacelle of the prior art
• FIG. 2 is a principle view in elevation of a nacelle according to the invention
• FIG. 3 is a view similar to FIG. 1, but on a smaller scale, in the context of the use of the nacelle of FIG. 2,
• FIG. 4 is a perspective view of the platform of the nacelle of FIGS. 2 and 3 in the direction of arrow IV in FIG. 3;
• FIG. 5 is a view similar to FIG. 3 for a nacelle according to a second embodiment of the invention.
• FIG. 6 is a view similar to FIG. 4, in the direction of arrow VI in FIG. 5, for the nacelle of FIG.
• the nacelle 1 shown in Figure 2 is equipped with a frame 2 resting on the surface of the ground S by means of four wheels, two of which are visible in this figure with references 3A and 3B.
• the chassis 2 carries a motorization assembly 4 to which is associated a mast 6 comprising a shaft 61, as well as two parts 62A and 62B that are telescopic with respect to each other and with respect to the shaft 61.
• the possibility of vertical extension of the mat 6 is represented by the double arrows F6.
• the mat could have more than two parts 62A and 62B or, on the contrary, only one such part.
• a stirrup 63 on which is articulated a parallelogram structure 64 supporting a platform 7 on which can be held one or more operators O.
• the platform 7 comprises a floor 71 and a railing 72 which define a volume in which an operator O can be held.
• the platform 71 is also equipped with a console 8 for controlling the movements of the pod 1 on the ground surface. S thanks to the motor assembly 4, the deployment of the mat 6 and the pivoting of the parallelogram structure 64, this by means of actuators not shown such as electric or hydraulic cylinders.
• the desk 8 is sometimes called a control module.
• An electronic control unit 9 is integrated into the motor assembly 4 and connected to the desk 8 by a not shown wire connection which makes it possible to route the control commands from the desk 8 to the unit 9.
• the console 8 comprises a first module 81 called a "left half panel” and a second module 82, called “right half panel”, which are each articulated on an upright 721, respectively 722, of the guard -body 72 around a vertical axis Z81, respectively Z82.
• each half-desk can pivot about its axis of articulation Z81 respectively Z82, as represented by the arrows F81 and F82 in Figure 4.
• V8 is the volume defined between the half-panels 81 and 82 along the railing 72.
• the upper tube 723 of the railing 72 is coated with a sleeve 83 of flexible material, for example elastomer.
• the left half-panel 81 is equipped with a lever 81 1 of the "joystick” type, an emergency stop button 812 and several switches 813 by which the operator can transmit control commands to the controller.
• the half-console 82 is equipped with a lever or "joystick” 821, an emergency stop button 822 and several switches 823.
• Indicator lights 814 and 824 are respectively provided on the half-panels 81 and 82. They allow the operator to obtain feedback on the commands he sends or on the activation of certain functions through the switches. 813 and 823.
• the half-panels 81 and 82 are mounted on the guard rail 72 near its upper tube 723, with a distance d8, measured between the axes Z81 and Z82 along this tube, such as an operator wishing to use the desk 8 may have his left hand surrounding the lever 81 1 and his right hand surrounding the lever 812 in a comfortable position, with the parallel forearms.
• the median axis Z0 of the body of the operator is disposed in a median plane P8 with respect to the axes Z81 and Z82 and perpendicular to the guard rail 72, in its zone between these axes.
• the median axis Z0 of the body of the operator O is located opposite the volume V8 in which the levers and buttons of the two half-panels 81 and 82 are not located.
• the half-panels 81 and 82 are articulated independently of each other on the uprights 721 and 722. This facilitates the configuration of the workstation according to the tastes and morphology of the operator O. This allows the half-desks to orient themselves independently of each other when they are struck by the body or the legs of the operator, in a variable direction which depends on the direction of movement of the platform 7 with respect to the beam P and / or movements of the operator.
• an automatic emergency stop system may be provided in the form of a detector of the angular position of one or the other or both half-panels 81 and 82 around their axes Z81 and Z82.
• a detector is visible in FIG. 4, for the half-panel 81 only, with the reference 85.
• the invention is represented in the case where the two half-panels 81 and 82 are articulated each around a vertical axis. Alternatively, only one of these desks can be pivoted in this way, or none of them.
• the console 8 comprises, in addition to the left half-panel 81 and the right half-panel 82, a central console 84 which carries indicators 844, while levers or "joysticks" 81 1 and 821 and Switches 813 and 823 are respectively provided on the half-panels 81 and 82.
• An emergency stop button 822 is provided on the right half-panel 82.
• a volume V8 is defined located along the upper tube 723 of the railing 72, between the half-panels 81 and 82.
• the console 84 is disposed in this volume V8.
• ⁇ 8 is a line parallel to the railing 72 and connecting the desks 81 and 82.
• D8 is a horizontal direction perpendicular to the right ⁇ 8. This direction D8 is parallel to the plane P8 defined as in the first embodiment.
• L81 and L82 denote the lengths of the half-panels 81 and 82 measured parallel to the direction D8.
• the width 84 of the console 84 measured parallel to this direction is noted.
• the width 184 is smaller than the lengths L81 and L82. In other words, the volume V8 is partly cleared in front of the operator O when it is in front of the desk 8 in a position of use of the levers or buttons 81 1, 821, 822, 813 and 823.
• the indicators 844 are integrated in the upper face of the console 84, so that they do not protrude above this surface.
• the console can be made of a flexible synthetic material or coated with such a material.
• the console 8 can be adjustable in height with respect to the floor 71 of the platform 7.
• the hinged mounting means of the half 81 and 82 on the uprights 721 and 722 of the railing 72 can be adjustable in height.
• the volume V8 in front of which the operator O stands when he uses the levers and buttons of the half-panels 81 and 82 is devoid of lever or knob projecting.
• the risk of injury to the operator O, when pushed towards this volume by the beam P in FIGS. 3 and 5, is reduced compared with the configuration of FIG. 1.
• the invention is shown in the figures in the case where the nacelle is vertical telescopic mast type. It is also applicable to any other aerial work platform, in particular of the "scissors" type or the articulated mat type.

Landscapes

• Engineering & Computer Science (AREA)
• Structural Engineering (AREA)
• Life Sciences & Earth Sciences (AREA)
• Geology (AREA)
• Mechanical Engineering (AREA)
• Forklifts And Lifting Vehicles (AREA)
• Invalid Beds And Related Equipment (AREA)
• Maintenance And Inspection Apparatuses For Elevators (AREA)
• Accommodation For Nursing Or Treatment Tables (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=47520942

Family Applications (1)

Country Status (6)

Cited By (1)

Families Citing this family (15)

Family Cites Families (17)

• 2011
  • 2011-12-19 FR FR1161940A patent/FR2984293B1/fr not_active Expired - Fee Related
• 2012
  • 2012-12-18 EP EP12812594.5A patent/EP2794460B1/de active Active
  • 2012-12-18 US US14/366,862 patent/US20140332314A1/en not_active Abandoned
  • 2012-12-18 AU AU2012357837A patent/AU2012357837A1/en not_active Abandoned
  • 2012-12-18 WO PCT/EP2012/076020 patent/WO2013092631A1/fr active Application Filing
  • 2012-12-18 CN CN201290001077.5U patent/CN204185196U/zh not_active Expired - Lifetime

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events