• 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:
    Lifting device comprising a body (1), a lifting line (2), a drum coil (3) arranged adjacent to the body, to which the first end of the lifting line (2) is attached, and a lifting part (4), which via the lifting line (2) rising and falling. Said lifting device further comprises a fastening device (5) for the second end (2-2) of the lifting line (2), which comprises at least one section in which a threaded groove (15) is formed surrounding said section and in which a nearby the other end (2-2) located at the other end of the lifting line (2) to surround said section. The lifting device further comprises a fastening arrangement (6) which locks the other end (2-2) of the lifting line (2-2) to the fastening device (5) and prevents the other end (2-2) from being pulled away from the fastening device (5).
    公开号:FI20176108A1
    申请号:FI20176108
    申请日:2017-12-12
    公开日:2019-06-13
    发明作者:Jenni Tähtinen；Henri Kokko；Niko Laukkanen；Adeyinka Abass
    申请人:Konecranes Global Oy；
    IPC主号:
    专利说明:

    Lifting device lifting rope fastener
    Background of the Invention
    The invention relates to a device for attaching the end of a hoisting rope to a hoisting device.
    It is previously known to use steel ropes as lifting ropes for lifting devices. For example, wedge housings and rope clamps are often used to secure the steel rope to the hoist. This solution is well suited for use with steel ropes, but with ropes containing other material, this solution has proven to be disadvantageous.
    The purpose of the solution presented herein is to develop a lifting rope attachment head which allows the material of the lifting rope to be freely selected for the application.
    Brief Description of the Invention
    The above object is achieved by a lifting device according to the invention, characterized in that it comprises a frame, a lifting rope and a drum coil arranged in connection with the frame, on which the first end of the lifting rope is fastened. the lifting device further comprising a fastening device for the other end of the hoisting rope having at least one portion formed by a helical groove surrounding said portion and receiving a portion close to one end of the hoisting rope to encircle said portion; pulling out of the retaining device. Such a solution allows the fitting of the hoisting rope, which allows the material of the hoisting rope to be more freely chosen for the application.
    BRIEF DESCRIPTION OF THE DRAWINGS
    The invention will now be further described in connection with preferred embodiments, with reference to the accompanying drawings, in which:
    Figure 1 illustrates a first embodiment of a lifting device;
    Figure 2 shows a second embodiment of the lifting device;
    Figures 3a-3c show a first embodiment of a fastening device suitable for the lifting device of Figures 1 and 2;
    2172077FI
    Figures 4a and 4b show another embodiment of a fastening device suitable for the lifting device of Figures 1 and 2; and
    Figure 5 shows an embodiment of fastening the other end of a lifting rope suitable for the fastening device of Figures 3-4.
    DETAILED DESCRIPTION OF THE INVENTION
    Referring to Figure 1, the fastening device for attaching the synthetic rope to the hoisting device comprises as its main components the hoisting body 1, the hoisting rope 2, the drum coil 3 arranged in connection with the hoist, wherein a portion near the other end of the lifting rope 2 is received to surround said portion and a fastening arrangement 6 which locks the other end of the lifting rope to the fastening device 5.
    Said second end fastening device 5 of the hoisting rope 2 is fastened in this embodiment, for example, to the hoist device body 1 as shown in Fig. 1. The fastening is preferably carried out in such a way that the joint is removable and rotatable. The removable attachment allows the position of the attachment device 5 to be rotated as needed and the rotatable attachment allows the attachment device to rotate about the attachment point, for example, when the load to be lifted is swinging.
    With the attachment device 5 attached to the hoist body 1, at least one first diverting wheel 7 receiving the hoisting rope 2 from the drum coil 3 must be connected to the hoisting part 4, several times extending between the hoisting part 4 and a second diverting wheel 8 is provided. In this example, the attachment device is mounted on the same shaft 9 as the other diverting wheel 8.
    Said portion of the fastening device 5 in the example of Figure 1 is shaped as a closed loop so as to rotate a fastening point arranged in the middle part of the fastening device 5 through which the fastening device 5 is attached to the lifting device. Alternatively, said loop may be open at some point. The loop may be angular in shape, or at least partially rounded, as shown in Figure 1.
    The fastener 5 may be made of cast iron or steel and the lifting rope 2 may be a synthetic lifting rope, for example Dyneema®, where Dyneema® is a trademark of DSM IP Assets B.V.
    2172077FI
    Figure 2 illustrates another embodiment of the lifting device. The embodiment of Fig. 2 is very similar to the embodiment of Fig. 1, therefore, the embodiment of Fig. 2 will now be described mainly by highlighting only the differences between these embodiments. In this example, the clamping device 5 is attached to the lifting member 4 on a separate shaft 10. Alternatively, the clamping device 5 may alternatively be mounted on the same shaft 12 with the diverting pulley 11, either simultaneously with the diverting pulley 11 or in place of the diverting pulley 11.
    Figures 3a-3c show a first preferred embodiment of the fastening device which can be utilized in the embodiments of Figures 1 and 2. 3a-3c, said portion is shaped as a closed, square-shaped loop with rounded corners. In this example, the fastening device 5 has a fastening point 13 formed inside the loop, which is formed by an opening 14 which can be threaded to the end of the shaft or through which, for example, a fastening bolt can be threaded. Alternatively, the attachment point 13 of the attachment device 5 may also be arranged outside the loop.
    Referring to Figures 3a and 3b, the anchorage point 13 of the anchorage 5 is preferably disposed such that the fate between the first and second ends 2-2 of the hoisting rope 2 is received in the groove 15 of the anchorage 5, vertically on the same line 16 as the anchorage 13 of in the groove 15 of the fastener 5, this point is in the vicinity of the first end 15-1 of the groove 15, as shown in Figure 3c.
    3a to 3c, in a preferred embodiment the loop is at least partially arranged to surround a groove 15 which receives the second end 2-2 of the lifting rope. Said groove 15 may also substantially surround the entire loop. It is advantageous to arrange multiple groove turns in said portion, since several groove rounds increase the friction between the hoisting rope and the securing device, thereby ensuring sufficient securing of the attachment. In addition, the surface of the groove 15 may be treated to increase friction. Increasing friction in the groove 15 may be accomplished, for example, by coating the groove 15 or by forming protrusions in the groove 15 during the manufacturing step that increase the friction.
    The groove 15 is substantially circular, or at least rounded, and the groove has a substantially semicircular shape, and the groove has a dimension corresponding to the outer diameter of the hoisting rope 2 used closely. Thus, under tension, the groove 15 supports the lifting rope 2 on its sides to prevent the lifting rope from collapsing, particularly when it is subjected to
    2172077EN tensile stress. Preferably, the groove 15 extends beyond the receiving position of the hoisting rope 2 so that movement of the hoisting rope 2 along the groove 15 is possible without contact with sharp corners, as will be discussed later in connection with swinging movements.
    Figures 4a and 4b show another preferred embodiment of the fastening device which can be utilized in the embodiments of Figures 1 and 2. The embodiment of Figures 4a and 4b corresponds very closely to the embodiment of Figures 3a-3c, therefore the embodiment of Figures 4a and 4b will now be described mainly by highlighting only the differences between these embodiments. The embodiment shown in Figures 4a and 4b comprises a fastening device 5 ', said portion of which is rotated by said groove 15, being shaped as a circular closed loop. In this embodiment, said groove 15 substantially encircles the entire loop.
    Referring still to Figures 3a-3c and Figures 4a and 4b, the lifting rope 2 is received near the first end 15-1 of the groove, after which the lifting rope 2 is arranged at least partially in the groove 15. Finally, the other end 2-2 of the lifting rope 2
    Figure 5 shows, by way of example, a fastening arrangement. This fastening arrangement comprises a fastening means, for example a bolt 17, and a knot 18, e.g. In this particular arrangement, the hoisting rope 2 is separated from the groove side of the hoisting rope, and a bolt 17 is inserted through the formed slot, which is twisted to engage the securing device, thereby locking the other end 2-2 of the hoisting rope 2. The node then prevents the broken rope end from unfolding.
    Unlike Fig. 5, the fastening device may have a hole through which one end 2-2 of the hoisting rope 2 is threaded, after which a knot is made at the other end 22 of the hoisting rope to prevent the hoisting rope 2 from being pulled out. In this case, the screw shown in Fig. 5 is not needed in the fastening arrangement, but the knot and the hole hold the other end of the rope in place in the fastening device.
    With reference to the figures above, it is shown, by way of example, that the portion of the fastening device around which the hoisting rope is threaded is shaped as a loop. However, this is only an example of a preferred embodiment which makes it possible to provide a compact fastening device that can be mounted, for example, coaxially with the pulleys on the extension of the pulleys shaft. Alternatively, it is also possible that said portion is shaped as a straight bar.
    2172077FI
    Contrary to the examples in the figures, the fastening arrangement may comprise threading the other end 2-2 of the lifting rope 2 under itself and tensioning after undercutting, whereby the undercut rope portion is tensioned between the lifting rope 2 and the securing device 5. The attachment can be further enhanced by knotting the knot at the end of the hoisting rope 2 underneath and thus preventing the pulling rope from being pulled out when the hoisting rope 2 is in a tensioned state.
    Further, unlike the figures, the fastening arrangement may comprise a plate and fastening means by which one end 2-2 of the lifting rope 2 is clamped between said plate and the fastening device 5. This fastening arrangement can also be enhanced by knotting 10 at one end of lifting rope 2 to prevent the lifting rope 2 from being pulled out when the lifting rope 2 is in a tensioned state.
    In various embodiments with respect to load fluctuation, it can be appreciated that the load fluctuation in any direction from the northwesterly can be accounted for structurally. For example, in the directions shown in Figure 1, there is talk of a lateral oscillation movement, which is taken into account by providing the attachment device with an attachment point 13 around which the attachment device can rotate. When the oscillation movement is transverse to the aforementioned lateral movement, i.e., oscillating in the direction of the axis of the anchor point 13, it can be taken into account by extending the rope groove beyond the lower edge of the anchorage. In practice, all oscillations and skew situations can be divided into the above two directions of motion.
    It will be obvious to a person skilled in the art that as technology advances, the basic idea of the invention can be implemented in many different ways. The invention and its embodiments are thus not limited to the examples described above, but may vary within the scope of the claims.
    权利要求:
    Claims (12)
    [1]
    The claims
    A lifting device, comprising a frame (1), a lifting rope (2), a drum reel (3) arranged in connection with the frame, on which a first end of a lifting rope (2) is fastened, a lifting part (4) which 2) rising and lowering, characterized in that the lifting device comprises a fastening device (5) for the other end (2-2) of the lifting rope (2) having at least one portion formed by a helical groove (15) surrounding said portion into which the lifting rope (2) a portion adjacent to one end (2-2) is received to encircle said portion, and that the lifting device has a fastening arrangement (6) that locks the other end (2-2) of the lifting rope (2) to the fastening device (5), preventing the other end (2-2) withdrawing from retaining device (5).
    [2]
    Lifting device according to claim 1, characterized in that said lifting rope (2) fastening device (5) is removably and pivotally attached to the lifting part (4).
    [3]
    Lifting device according to Claim 1, characterized in that the lifting part (4) has at least one deflection wheel (7) which receives the lifting rope (2) from the drum reel (3), and that said lifting rope (2) fastening device (5) receives the folding rope (2) of the wheel (7) is removably and pivotally mounted to the frame.
    [4]
    Lifting device according to claim 2 or 3, characterized in that said lifting rope (2) fastening device (5) is removably and pivotally attached to the end of the pivot shaft.
    [5]
    Lifting device according to one of Claims 1 to 4, characterized in that said part of the fastening device (5) is shaped as a loop.
    [6]
    Lifting device according to Claim 5, characterized in that said loop rotates an attachment point (13) arranged in the middle part of the loop through which the attaching device (5) is attached to the lifting device.
    [7]
    Lifting device according to claim 5 or 6, characterized in that said loop is a closed loop.
    [8]
    Lifting device according to claim 5 or 6, characterized in that said loop is an open loop.
    2172077FI
    20176108 prh 12-12-2017
    [9]
    Lifting device according to Claim 5 or 6, characterized in that said loop is an angled loop.
    [10]
    Lifting device according to Claim 5 or 6, characterized in that said loop is at least partially a circular loop.
    Lifting device according to one of the preceding claims, characterized in that the point between the first and second ends (2-2) of the lifting rope (2) from which the lifting rope (2) is received in the groove (15) of the fastening device (5) ) as the attachment point (13) of the attachment device (5).
    Lifting device according to one of the preceding claims, characterized in that said fastening arrangement (6) which locks one end (2-2) of the lifting rope (2) to the fastening device (5) comprises a bolt (17) through which the other end (2) 2-2) engages with the mounting device (5).
    [11]
    Lifting device according to one of the preceding claims, characterized in that said fastening arrangement (6), which locks the other end (2-2) of the lifting rope (2) to the fastening device (5), comprises a knot (18) -2) engages the mounting device (5).
    [12]
    Lifting device according to one of the preceding claims, characterized in that the groove (15) of the fastening device (5) is rounded and dimensioned to correspond to the outer diameter of the lifting rope (2).
    Lifting device according to one of the preceding claims, characterized in that said lifting rope (2) comprises a synthetic material.
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    引用文献:
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    US10422411B2|2016-01-14|2019-09-24|The Crosby Group LLC|Synthetic rope termination|FI20195742A1|2019-09-09|2021-03-10|Konecranes Global Oy|Rope fastening arrangement of hoisting device|
    法律状态:
    2020-07-31| FG| Patent granted|Ref document number: 128543 Country of ref document: FI Kind code of ref document: B |
    优先权:
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