• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention concerns a fall arrest system of an operator comprising a retractable device (16) fixed at a height comprising a fastening hook (21). The system comprises extensible and retractable means (14) on command connected to said fastening hook (21). When the operator needs to work at height, he activates the command associated with said means (14) to bring the hook (21) to man height.
    公开号:CH706359B1
    申请号:CH00705/13
    申请日:2013-04-02
    公开日:2017-05-31
    发明作者:Lupi Giuseppe
    申请人:Fin Group S R L；
    IPC主号:
    专利说明:

    Description [0001] The present invention relates to a fall arrest system in particular of the type comprising a retractable device.
    [0002] Falls from above almost always have serious consequences. The construction sector, in particular, is characterized by the highest number of fatal accidents resulting from falls from high connected with the performance of work at height.
    [0003] This danger also occurs in other sectors, in situations where an operator must perform work at height.
    [0004] For example, it is mentioned in the places where an overhead crane is used to carry materials that are often superimposed on each other and the operator to mount the hooks of the bridge crane to the materials must rise above them.
    [0005] To avoid dangerous consequences in the event of work at height, a system must be set up to ensure the user of a fixed anchorage point in order to prevent or safely stop falling from above.
    [0006] Taking inspiration again from the places where an overhead crane is used, they are often used as safety elements for operators of fall arrest systems with retractable type UNI 360, which are variable length devices that connect a fixed point and the operator's harness and are characterized by a self-locking function and an automatic tension and return system for the lanyard.
    [0007] These devices are fixed directly on the bridge crane and the operator must use a pole for their use in order to recover the connection ring and fix it to his harness.
    [0008] The difficulty and waste of time to recover this ring is clear.
    [0009] Alternatively, the ring can be fixed at man height so that the operator does not have problems for his recovery. But the device, in this case, cannot be fixed to the bridge crane due to its displacements. A situation of this kind can be used if the retractable device is fixed in a fixed place, for example, on the roof of a shed.
    [0010] The object of the present invention is to provide a fall arrest system in particular of the type comprising a retractable device which does not have the drawbacks of the known art.
    [0011] According to the present invention, these aims and others are achieved by a fall arrest system of an operator comprising a retractable device fixed at a height comprising a fixing hook to the operator characterized in that it comprises extensible and retractable means on command connected to said fixing hook.
    [0012] Further characteristics of the invention are described in the dependent claims.
    [0013] Thanks to the present invention a retractable device is used which does not waste time for the recovery of the ring even when it is fixed on a bridge crane.
    [0014] Furthermore, the cable does not hinder normal work operations as when it is fixed at man height.
    [0015] Even the pantograph does not hinder normal work as it is extended only in the event of recovery or storage of the hook.
    [0016] The characteristics and advantages of the present invention will become clear from the following detailed description of an embodiment thereof, illustrated by way of a non-limiting example in the enclosed drawings, in which: fig. 1 schematically shows a fall arrest system, seen retracted, according to the present invention; fig. 2 schematically shows a fall arrest system, seen in an extended manner, according to the present invention; fig. 3 shows schematically in more detail a fall arrest system, seen retracted, according to the present invention.
    [0017] Referring to the attached figures, according to the present invention, a bridge crane 10 of a known type is seen comprising a horizontal beam 11 which has the possibility of moving along a direction perpendicular to the beam itself. The beam 11 comprises a winch for moving the materials.
    [0018] A track 12 is fixed below or to the side of the beam 11 by means of attachments 13 arranged periodically along the entire length. The connections 13, come from one side, bolted to the structure of the beam 11, and from the other embrace the track 12.
    [0019] The track 12 is preferably as long as the beam 11, and can be a single track along the beam or two tracks one on the right and one on the left of a central portion of the rail without rail.
    [0020] A motorized pantograph 14 is fixed to the beam 11 directly on it or on the track 12 and can be extended downwards on command.
    [0021] For example, the pantograph 14 is fixed to the beam 11 by means of a joint 15.
    权利要求:
    Claims (9)
    [1]
    [0022] To the side of the pantograph 14 there are two retractable devices 16, each fixed (welded or bolted) on its own trolley 17. [0023] The carriages 17 comprise wheels so that they can slide along the track 12. [0024] From the retractable devices 16, of a known type, a cable 20 comes out, at whose end there is a hook 21 which is connected to the harness of the operator. [0025] At rest, the hook 21 is fixed to a ring 22 located at the lower end of the pantograph 14. [0026] The pantograph 14 comprises a drive motor controlled by cable (not shown), with actuation switches (extension and contraction) ) preferably associated with the bridge crane controls. [0027] In an advantageous embodiment, the drive motor is controlled by a remote control available to the operator. [0028] The operation of the device according to the invention is evident from what has been described and illustrated and, in particular, is substantially the following. [0029] When an operator needs to work at height, he operates the pantograph 14 by means of the command associated with the bridge crane's controls, making it extend and in this way bringing the ring 22 to man height. The operator detaches a hook 21 from the ring 22 and fixes it to his harness. The operator again actuates the controls of the pantograph 14 to bring it back to its resting position near the beam 11. [0030] The operator can now work safely when working at height, secured to the retractable device 16. The carriage 17 it can slide along the track 12 and therefore the operator has a large working area with secured fall protection. [0031] When the use is finished, the operator recalls the pantograph at the bottom, hangs the hook 21 back to the ring 22 and returns the pantograph to its rest position. [0032] In the embodiment described and shown in the figures, two rectilinear rails are used, one on the right and one on the left of the pantograph, fixed on the girder 11 of the bridge crane, with two retractable devices 16. [0033] Alternatively, the rails on the ceiling of a shed, you can use even curved tracks so that the trolley with the retractable device can slide along the entire shed. [0034] We have seen that a pantograph can handle two (or even more) retractable devices. [0035] As an alternative to the pantograph 14, a motorized telescopic rod or similar devices can also be used. [0036] The system is not further described since a person skilled in the art is able to carry it out based on the above indications. claims
    1. Fall arrest system of an operator comprising a retractable device (16) able to be fixed at a height comprising a hook (21) for fixing to the operator characterized in that it comprises extensible and retractable means (14) on command connected to said fixing hook (21).
    [2]
    2. System according to claim 1 characterized in that said extendable and retractable means (14) comprise a motorized pantograph (14).
    [3]
    3. System according to claim 1 characterized in that said extendable and retractable means (14) comprise a motorized telescopic rod (14).
    [4]
    4. System according to claim 1 characterized in that it comprises a carriage (17) and a track (12), said retractable device (16), being fixed to the carriage (17); said carriage (17) can slide along the track (12) fixed in height.
    [5]
    5. System according to claim 4 characterized in that said track (12) is straight or curved.
    [6]
    6. System according to claim 1 characterized in that said extendable and retractable means (14) comprise at their lower end a ring (22) to which said fastening hook (21) is hooked.
    [7]
    7. System according to claim 1 characterized in that said extensible and retractable drive means (14) comprise a motor controlled by cable.
    [8]
    8. System according to claim 1 characterized in that said extensible and retractable means (14) on command comprise a motor controlled by remote control.
    [9]
    9. Overhead crane to which a fall arrest system according to one of claims 1 to 8 is fixed, comprising a horizontal beam (11) to which a track (12) is fixed.
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    同族专利:
    公开号 | 公开日
    CH706359A2|2013-10-15|
    ITBG20120017U1|2013-10-07|
    AT14409U1|2015-10-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US7341159B2|2005-08-23|2008-03-11|Roger Gail Nelson|Safety system for preventing falls|WO2022029571A1|2020-08-07|2022-02-10|Sicurlive Group S.R.L.|Electronic fall arrest safety system anchorable to a machine for lifting and moving materials, and related method and kit|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    IT000017U|ITBG20120017U1|2012-04-06|2012-04-06|FALL ARREST SYSTEM|
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