• 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:
    This invention relates to a protective device (1) for protecting a rack system against impact, comprising an outer shell (2) provided to be mounted against an upright column of a rack system, and an inner element (3) provided in the outer shell (2). ) which is made of a flexible material which, in use, is provided against or abutting a part of the column, the inner element (3) being pivotally connected with its longitudinal ends (6) to the inner circumference of the outer shell (2) so that upon impact the inner element (3) bends in the direction of the outer shell (2), whereby this outer shell (2) is better clamped against the column against which this outer shell (2) is attached.
    公开号:BE1022625B1
    申请号:E2014/0707
    申请日:2014-09-18
    公开日:2016-06-17
    发明作者:Xavier Ramon
    申请人:Boplan Bvba；
    IPC主号:
    专利说明:

    RENEWED RACK PROTECTION
    This invention relates to a protective device for protecting a rack system against impact, comprising an outer shell which is provided to be mounted against and an upright column of a rack system, and an inner element provided in the outer shell made of a flexible material and which in use is provided against or adjacent to a part of the column. The protection device according to the present invention is particularly suitable for providing optimum protection for stacking racks.
    Collisions, such as forklift trucks, from stacking racks in warehouses and the like can have far-reaching consequences. They almost always lead to skyrocketing material costs when the racks collapse, often reinforced by an uncontrollable domino effect. In addition, this almost always leads to life-threatening situations for the forklift driver or other people present in the building. However, such a scenario can easily be avoided by placing a protection device.
    Various such protective devices are already known. As standard these devices comprise on the one hand an outer shell which is provided to be mounted against a column of a rack and on the other hand an inner element which in use rests against a part of the column. The European patent EP 1 689 659 describes such a built-up protective device. According to this patent, the flat-shaped inner element, the ends of which are connected to the outer shell via a first and second connecting means respectively, and the outer shell is fixedly connected to each other via a number of elastic support spokes, whereby in the event of impact the forces will be removed by bending of the elastic support spokes.
    Another protection device is described in the European patent publication EP 1 738 030. In order to absorb the forces due to an impact, the device described therein is provided with a solid inner liner which can be fixedly connected to the outer shell or can be slidably arranged in this outer shell.
    In the case of an impact, the forces generated by the impact at the above-described protective devices will mainly be absorbed and discharged by the inner element. More than that will not happen. With such protective devices there is also the risk that, with a large impact, they will come loose from the column against which they are mounted.
    However, it is an object of the present invention to provide a protection device that will use the forces generated during an impact to thereby increase the clamping of the protection device on the rack system.
    The object of the invention is achieved by providing a protection device for protecting a rack system against impact, comprising an outer shell which is provided to be mounted against an upright column of a rack system, and an inner element provided in the outer shell manufactured made of a flexible material which is in use provided against or abutting a part of the column, wherein the inner element with its longitudinal ends is hingedly connected to the inner circumference of the outer shell, whereby the raised edges of the outer shell are movable towards each other in the event of an impact. Preferably, the inner element is only hingedly connected to the inner circumference of the outer shell via its longitudinal ends. The inner element is provided in such a way that, in the event of an impact, it will ensure that the raised edges of the outer shell will move towards each other, thereby achieving a better clamping.
    For this invention it is important that the inner element is pivotable with respect to the outer shell. Because the inner element is hinged, the inner element will develop a counter force in the event of an impact which will cause the raised edges of the outer shell to move towards each other, so that the outer shell is better clamped against the column against which this outer shell is attached.
    The hinged inner element can be achieved via a first embodiment, wherein the inner circumference of the outer shell comprises guide means in which the inner element is arranged so as to be slidable and pivotable, and wherein said inner element is arranged such that upon impact the inner element bends in the direction of the outer shell. The inner element is provided in such a way that, in the event of an impact, it will ensure that the raised edges of the outer shell will move towards each other, so that a better clamping is achieved.
    The guide means of the outer shell of a protection device according to the present invention preferably comprise a first and a second guide channel, in which the inner element with its respective longitudinal ends is slidably arranged.
    Such a first and second guide channel are herein preferably arranged at a distance from the respective longitudinal ends of the outer shell.
    The longitudinal ends of the inner element of such a protective device with a first and a second guide channel as guide means of the outer shell are preferably made thickened. Preferably, the guide channels are then each designed as a groove that has a shape corresponding to the respective thickening, so that the longitudinal ends of the inner element can engage in the respective guide channel to realize a firm (slidable and pivotable) connection between the outer shell and the inner element. . In particular, the guide channels are provided on one side with a blocking element, as a result of which the inner element cannot slide out of the outer shell along the relevant side.
    The hinged inner element can also be achieved via a second embodiment, wherein the longitudinal ends of the inner element are fixedly hinged to the inner circumference of the outer shell. This can, for example, be done via a film dealer. The longitudinal ends of the inner element are also thickened in this embodiment.
    The protection device according to the present invention is provided for mounting against an upright column of a rack system. This will also be the most common application for such a protection device. Of course, this protection device can also be useful for protecting beams or columns that are arranged in a direction other than the vertical direction against impact. However, in the application of a protection device according to the present invention, we will always refer to upright columns.
    The outer shell of a protection device according to the present invention is preferably shaped so that it can be clamped around the upright column so that this outer shell in use adheres to this column in a self-attaching manner, so that no additional fastening means are required to attach this outer shell to the column. and so that in use the inner element is held between the outer shell and the column. To this end, the outer shell of such a protection device is preferably C-shaped in cross-section.
    This C-shape, in the unmounted state of the outer shell, preferably extends over an angle between 300 ° and 340 °, so that in use the longitudinal ends (raised edges) of the outer shell are clamped against the column. The height of such an outer shell is preferably chosen somewhere between 30 and 120 cm. The outer diameter is preferably between 10 and 15 cm. The wall thickness is preferably chosen between 3 and 12 mm.
    In the embodiment with guide means, the inner element and the outer shell are preferably slidable relative to each other in a direction along the central axis of the outer shell (in the case of an outer shell with a C-shaped cross-section, the axis through the center of the C-shaped cross-sections).
    The outer shell is preferably made from resilient material with an elastomeric polymer material as the basis. It can be made, for example, from polyethylene, high-density polyethylene, polypropylene, polycarbonate, polyvinyl chloride, polystyrene, plastic, a mixture of different plastics, etc. The inner element is preferably made from a bendable material similar to that of the outer shell.
    The outer shell and the inner element are preferably manufactured by injection molding or by extrusion. In case the inner element is fixedly connected to the outer shell, the stretch protector can be manufactured in one extrusion step
    There is preferably an air gap between the outer scoop and the inner element during use and in the resting state.
    In particular, the height of the inner element is smaller than the height of the outer shell. This offers the advantage that, depending on the positioning of the inner element with respect to the outer shell, a space can be provided at the bottom and / or the top where the inner element is not present, and thus in this way does not form an obstacle to other parts. , such as, for example, fixing bolts.
    Preferably, the inner element of a protection device according to this invention touches the outer shell only at the height of its longitudinal ends in the rest position.
    In the event of an impact, the inner element will initially move in the direction of the outer shell, as a result of this movement the raised edges of the outer shell will also move towards each other. In principle, with a small impact, the inner element will never move so far that it comes to lie against the outer shell. However, this will happen in the case of a large impact, as a result of which the inner element will come to rest against the outer shell, as a result of which a double wall is formed, as it were, which will provide additional protection for the rack system, so that the column to which the protection device is attached, moves as little as possible and is damaged as little as possible.
    The inner element of a protection device according to the present invention furthermore preferably follows a curved curve viewed between its longitudinal ends in cross-section, this curved curve comprising one or more bends. With one or more bends, when the outer shell comes into contact with the inner element in the event of a (large) impact, the distance between the outer shell and the column will be further bridged by means of curved pieces of the inner element. The load that can reach the column in this way is further minimized with the help of these bent pieces.
    These one or more bends herein preferably comprise a mushroom-shaped widening towards the outer shell. The inner shell can herein be alveolar or meander-shaped. With such a mushroom-shaped widening, when the outer shell comes into contact with the inner element in the event of a (large) impact, there will be a relatively large contact surface between the two. In this way large zones are created for receiving and transmitting the occurring forces.
    Preferably, the inner element further comprises a plurality of said bends, so that the inner element is also easily adaptable to different widths of columns. This makes it possible to mount the protection device according to the invention on columns of different widths, which was not possible with the previously described systems. This makes the protection device according to the invention universally applicable.
    In a special embodiment of a protective device according to the present invention, the inner element comprises zones with different thicknesses. The thicknesses of these zones are preferably chosen as a function of the desired deformation of the inner element in order to be able to absorb forces acting upon it as efficiently as possible. These (flexible) zones in the inner element also contribute to the hinging action of the inner element. In a preferred embodiment, the thicker parts with a thickness between 3 to 6 mm will be chosen and the thinner parts with a thickness between 2 to 5 mm will be chosen.
    If such an inner element with zones with different thicknesses comprises one or more said bends with a mushroom-head widening, then each mushroom-head widening is preferably made thinner than zones of the inner element adjacent thereto. When impacting the outer shell against the inner element, these zones will first deform so as to further increase the contact surface between the outer shell and the inner element for optimum transmission of the occurring forces.
    Furthermore, in the case of inner elements with zones of different thicknesses, zones adjacent the column in use are preferably made thinner than adjacent zones of the inner element. These thinner zones will therefore deform earlier than the adjacent zones of the inner element in the case of impact, so that the contact surface between the inner element and the column becomes as large as possible for the optimum transmission of the occurring forces.
    Thanks to the hinged action of the inner element, in the event of an impact, the inner element will deform and fold at the zones that are made thinner, as a result of which the longitudinal ends of the inner element will experience a force towards each other. When the inner element is fixed at these longitudinal ends to the outer shell, the longitudinal ends of the outer element will hereby also be pulled towards each other, as a result of which the outer shell, when impacted, does not come loose from a column against which it is arranged, column will be attracted.
    In a specific embodiment of a protection device according to the present invention, the inner element and the outer shell are transparent. As a result, in use, the condition of the inner element and the column can be easily inspected, so that in the event of damage, this damage is quickly detected and the inner element (if this is slidable, a guiding means) can be replaced if necessary. (mandatory) inspection of the rack systems, no longer removing and replacing all protective devices.
    More specifically, a protection device according to the present invention can further comprise a compressible (shock-absorbing) element which is provided in use between the outer shell and the inner element.
    This compressible element is preferably designed as a foam element. This compressible element is preferably made from a material that has an even smaller density than the material of the inner element. This can be made, for example, from polyethylene, polypropylene, polycarbonate, polyvinyl chloride, polystyrene, a natural foam or a synthetic foam, compressible composite, closed cell styrene butadiene foam, etc.
    Preferably, this compressible element does not extend over the entire space between the outer shell and the inner element, but in use extends to a distance from the longitudinal ends of the inner element.
    When the inner element follows a curved curve, the compressible element preferably comprises a surface that follows an at least partially corresponding curved curve, so that the compressible element fits as closely as possible to the inner element.
    The protection device according to the invention is preferably conical. The diameter, in use, will gradually increase from top to bottom.
    Moreover, the protective devices according to the present invention are perfectly stackable. For this purpose, the inside of the outer shell, at the level of the underside, is provided with a number of reinforcing ribs, which reinforcing ribs will rest on stacking on the upper edge of a protective device provided underneath.
    To further clarify and indicate these and other features and specifics of this invention, a more detailed description of the device according to the invention now follows. It is clear that nothing in the following description can be interpreted as a limitation of the protection claimed for the invention in the claims.
    In this description reference is made to the accompanying drawings by reference numerals, in which: figure 1 is a perspective representation of a protection device according to the present invention in accordance with a first embodiment; figure 2 is a perspective representation of the outer shell of the protection device shown in figure 1; figure 3 is a perspective representation of the inner element of the protection device shown in figure 1; figure 4 is a top view of the protection device of figure 1; figure 5 is a top view of only the outer shell of the protection device of figure 1; figure 6 is a top view of the inner element of the protection device of figure 1; figure 7 is a representation of a protective device according to the present invention provided with a foam element between the outer shell and the inner element; figure 8: shows schematically what will happen in the event of an impact on the protection device according to the invention; figure 9 is a representation of a protection device according to the invention in mounted condition on a column which, for example, forms part of a neck system; figure 10: is a perspective view of a protection device according to the present invention in accordance with a second embodiment.
    The protection device (1) for protecting a rack system or similar structure according to the present invention and as represented in the accompanying figures, comprises an outer shell (2) provided for mounting (clamping) against an upright column (12) of a rack system and an inner element (3) pivotally connected to said outer shell (2). The outer shell (2) (see, inter alia, Figure 2) is made of plastic such as, for example, PE or PP and has a C-shaped cross section.
    In order to realize the hinged connection between the inner element (3) and the inner circumference of the outer shell (2), the outer shell (2) of the protective device (1) according to a first embodiment comprises, on its inner circumference, at a distance from its upright longitudinal edges ( longitudinal ends (9)) a first and a second guide channel (5) which are provided for slidably and pivotally receiving the inner element (3). To prevent the inner element (3) from sliding easily out of the outer shell (2), each guide channel can be provided with at least one blocking element.
    Another possibility to realize the pivotal connection between the inner element (3) and the inner circumference of the outer shell (2) is shown in Figure 10, in this second embodiment of the protective device (1) according to the invention the longitudinal ends (6) of the inner element (3) fixedly hinged to the inner circumference of the outer shell. This embodiment has, inter alia, the advantage that the protective device, in particular the outer shell (2) and the fixedly connected inner element (3), can be formed in one part, for example via an extrusion process.
    Between its longitudinal ends (9) and the first and the second guide channel (5), or the place where the longitudinal end (6) of the inner element (3) is connected to the outer shell (2), the outer shell (2) is each provided with a lip (14) for maximum grip on this column when clamping a column (12) with this outer shell (2). To simplify the mounting of the outer shell (2) around a column (12), the upper corners (10) of the outer shell (2) are rounded.
    The outer shell (2) can, as can be seen from figures 1 and 2, be designed to turn outwards at its lower side, whereby a stacking edge (13) is formed as it were. For example, different protection devices (1) can be stacked on top of each other, with the lower edge of the upper outer shell (2) overlapping the upper edge of the underlying outer shell (2). When such a protection device (1) is arranged over a column which is fixed at the bottom to a floor with the aid of bolts, then this lower edge (13) can also extend over these bolts. However, the underside of the device can also be flat (see Figure 9). In order to be able to stack devices of this design, the outer shell (2) is provided on its inner circumference, at the level of the underside, with a number of reinforcement ribs, which reinforcement ribs will rest on stacking on the upper edge of a protective device provided underneath.
    The inner element (3) which with its longitudinal ends (6) is either fixedly connected to the outer shell (2) or can be slidably arranged in the first and the second guide channel (5) of the outer shell (2) and is thereby slidable in one direction according to the axis through the center of the C-shaped cross-sections, is preferably made from the same material as the outer shell (2), but this is not necessary.
    After attachment of the outer shell (2) to the column, the inner element (3) extends into the space between the column and the outer shell (2), whereby it touches the outer shell (2) only at its longitudinal ends (6).
    The longitudinal ends (6) of the inner element (3) are thickened, and in the first embodiment have a shape corresponding to the shape of the cavity of the guide channels (5). This in order to be able to slide these thickened longitudinal ends (6) into the guide channels (5) in a form-retaining manner. However, a certain amount of play is still possible. Also in the second embodiment, the longitudinal ends (6) of the inner element (3) are of a thickened design.
    Between the longitudinal ends (6) of the inner element (3) the inner element (3), viewed in cross-section, follows a curved path with different bends. In this way the inner element (3) has a meander-shaped design. Towards the outer shell (2), these bends comprise three mushroom-shaped widenings (7) that are made thinner than the adjacent parts (8) of the inner element (3). Towards the column, the curved parts (15) of the inner element (3) are also made thinner than the adjacent parts (8) of the inner element (3).
    When a (shock-absorbing) foam element (4) is arranged so as to be slidable between the inner element (3) and the outer shell (2), as shown in Figure 7, this preferably fits form-fittingly on this inner element (3) and the outer shell (2) wherein an air gap between the inner element (3) and the outer shell (2) is still maintained on either side. This foam element (4) is preferably slidable both with respect to the inner element (3) and with respect to the outer shell (3) in a direction along the axis through the center of the C-shaped cross sections of the outer shell (2).
    The protection device (1) according to the present invention can, by virtue of its construction, and as can be seen from Figure 8 and the following description, use the forces that are generated during an impact to increase the clamping of the protection device on the rack system.
    In the event of an impact on the protection device (1) with a certain force, for example in the direction indicated by arrow A, the inner element (3) will develop a counterforce (according to arrow B) which, thanks to the hinged action of the inner element (3), will ensure that this inner element will deform and fold at the zones that are made thinner, as a result of which the outer legs of the inner element (3) will experience a force (indicated by C) towards each other, so that also the longitudinal ends (6) of the inner element (3) will move towards each other. Because the inner element (3) is connected via these longitudinal ends (6) to the outer shell (2), the longitudinal ends of the outer shell (2) will also be pulled towards each other (indicated by D), as a result of which this outer shell ( 2) is better clamped against the column against which this outer shell (2) is attached.
    With a low impact, the inner element (3) will in principle only move with limited movement in the direction of the outer shell (2) (according to arrow B). However, with a large impact, the inner element (2) can fold in such a way that with its mushroom-shaped widening (7) it comes to rest against the wall of the outer shell (2), so that a double wall is formed, as it were, which can absorb maximum loads. .
    Another advantage of the protection device according to the invention is that it is applicable to various rack systems. In the most commonly used rack systems, the (upright) column has a width that, depending on the model, can vary between approximately 55 and 130 mm. The previously described known systems have the disadvantage that they have to adapt the inner element to the width of the column, so that they have to provide a different inner element for each rack system. However, the protection device according to the invention can be considered as a universal protection device in that the inner element (2) adapts to the width of the (upright) column.
    The protection device (1) according to the present invention is furthermore preferably conical. However, it is evident that other embodiments, e.g. law, also fall within the scope of protection.
    权利要求:
    Claims (17)
    [1]
    CONCLUSIONS
    A protective device (1) for protecting a rack system against impact, comprising an outer shell (2) which is provided for mounting against an upright column of a rack system, and an inner element (3) provided in the outer shell (2) is made of a flexible material which is in use provided against or abutting a part of the column, characterized in that the inner element (3) with its longitudinal ends (6) is hingedly connected to the inner circumference of the outer shell (2) whereby impact the raised edges of the outer shell (2) are movable towards each other.
    [2]
    Protective device (1) according to claim 1, characterized in that the inner element (3) is only hingedly connected to the inner circumference of the outer shell (2) via its longitudinal ends (6).
    [3]
    The protective device (1) according to claim 1, characterized in that the inner circumference of the outer shell (2) comprises guide means (5) in which the inner element (3) is slidably and hingedly arranged and said inner element (3) is arranged so that in case of impact the inner element (3) bends in the direction of the outer shell (2).
    [4]
    Protection device (1) according to claim 3, characterized in that the guide means (5) of the outer shell (2) comprise a first and a second guide channel (5) in which the inner element (3) can be slid with its respective longitudinal ends (6) prepared.
    [5]
    Protective device (1) according to claim 4, characterized in that the first and the second guide channel (5) are arranged at a distance from the respective longitudinal ends (9) of the outer shell (2).
    [6]
    Protective device (1) according to claim 1 or 2, characterized in that the inner element (3) with its longitudinal ends (6) is fixedly pivotally connected to the inner circumference of the outer shell (2).
    [7]
    Protective device (1) according to one of the preceding claims, characterized in that the inner element (3) in use in the rest position only touches the outer shell (2) at the height of its longitudinal ends (6).
    [8]
    Protective device (1) according to claim 7, characterized in that the inner element (3) follows a curved curve between its longitudinal ends (6), viewed in cross-section, this curved curve comprising one or more bends.
    [9]
    Protective device (1) according to claim 8, characterized in that the one or more bends towards the outer shell (2) comprise a mushroom-shaped widening (7).
    [10]
    Protective device (1) according to claim 8 or 9, characterized in that the inner element (3) comprises a plurality of said bends.
    [11]
    Protective device (1) according to one of the preceding claims, characterized in that the inner element (3) comprises zones (7, 8, 15) with different thicknesses.
    [12]
    The protective device (1) according to claim 11, characterized in that zones (15) of the inner element (3) which, in use, adjoin the column, are made thinner than adjacent zones (8) of the inner element (3).
    [13]
    Protective device (1) according to one of the preceding claims, characterized in that the inner element (3) and the outer shell (2) are transparent.
    [14]
    Protective device (1) according to one of the preceding claims, characterized in that the longitudinal ends (9) of the inner element (3) are made with a thickened design.
    [15]
    Protection device (1) according to one of the preceding claims, characterized in that this protection device (1) comprises a compressible element (4) provided for use between the outer shell (2) and the inner element (3).
    [16]
    Protective device (1) according to claim 15, characterized in that the compressible element (4) in use extends at a distance from the longitudinal ends (6) of the inner element (3).
    [17]
    Protective device (1) according to one of the preceding claims, characterized in that the protective device is conical.
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    同族专利:
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    BEBE2013/0620|2013-09-18|
    BE2013/0620A|BE1021279B1|2013-09-18|2013-09-18|RACK PROTECTION|
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