Page 58 - Wire Rope News & Sling Technology
P. 58

continued from previous page                         prevent the cable from jamming as the cable is used to either
         del 3a by slings with shackles 15. The rope storage reel 13 is   recover or deposit an object, and a set of stabilizing legs each
         capable of storing typically two 1000 meter rope sections.  attached  to said bumper so as to stabilize and secure the
           The execution of the first sequence of the deployment op-  recovery or release apparatus.
         eration is shown completed in figure 3, where lowering of   According, the inventor formulated a set of principles that
         the first 1000 meter of rope section 4a has ended and been   enables the winch cable to be maintained perpendicular to the
         supported in the cradle 2 by landing the second roundel 3b,   winch drum while the cable is being released from or played
         which has been connected to the first rope section, into it.   onto the drum, thus minimizing, or eliminating uneven feed
         The  crane  hook  11  and grommet  6  are  disconnected  from   of the winch cable onto the winch drum thus preventing tan-
         the first roundel 3a and heaved up and located beneath the   gling and jamming of the cable. Figure 6, a plan view of one
         crane boom 12. The second rope section 4b remains on the   favored  embodiment,  illustrates  bumper/winch/stabilizing
                                                              system 10 made according to the principles of the present in-
                                                              vention. The system is contemplated for use on any machine
                                                              that is used for lifting, pulling, or depositing. For exemplary
                                                              purposes, which are not to be taken as limiting, the embodi-
                                                              ment is focused on how the invention’s principles are used
                                                              on a tow truck, which includes, but is not limited to, wrecker
                                                              trucks, breakdown trucks, recovery trucks, or lorries that are
                                                              usually used to recover vehicles of any sort.
                                                               Heavy duty bumper 2, made from steel, aluminum, or any
                                                              other material that offers the required strength and endur-
                                                              ance, is exclusively designed for housing a winch system ac-
                                                              cording  to  the  principles  of  the  present  invention.  Looking
                                                              now at the upwardly-facing surface of bumper 2 are two cavi-
                                                              ties 6 and one cavity 8 set into the bumper and opening on the
                                                              upwardly facing surface. In this example, the winch system
                                                              further includes a remotely, hydraulic-power system, which
                                                              is not shown because such system and their analogs are well
                                                              known in the art. The winch system also includes winch 30
                                                              housed in cavity 8. Winch 30 is constructed of winch drum
                                                              16 (also referred to as a spool) that rotates about winch drum
         Figure 5: Transverse section of the vessel, showing  the second   axle 18 to alternately play-out and wind-up cable 26.
         sequence completed.                                   The winch system further includes two vertical-axis grooved
                                                              pulleys 12 and 14, also referred to as sheaves or blocks, housed
         storage reel 13, ready to be pulled out and connected via the   in cavities 6. Note that cavity 8 is oriented at an angle with
         second roundel 3b to the first rope section 4a.      respect to the long axis of the bumper so that the winch drum
           Figure 4 is showing the execution of the second sequence   16 is always positioned perpendicularly to cable 26. Note also,
         of the deployment operation, with the crane hook  11 con-  that cavity 8 is positioned on one end of the length of bumper
         nected to the second roundel 3b on top of the first rope sec-  2 and that the cavity 6 that houses pulley 12 is located gener-
         tion 4a, by lowering the object 14 the next 1000 meter while   ally opposite to cavity 8 at the other end of bumper 2. Cavity 6
         the second rope section 4b is connected to the same roundel   that houses pulley 14 is located midway between the two ends
         3b and is freely unreeled from the deck storage reel 13. The   of bumper 2 just behind cavity 22. Set into the frontwardly-
         object 14 will then reach a depth of 2000 meter.     facing surface of bumper 2 and also opening to the upwardly-
           Figure 5 is showing the second sequence of the deployment   facing bumper surface cavity 22 houses horizontal-axis swiv-
         when completed, with the object 14 suspended in the two   el-sheave 20 housed in housing 25.
         first 1000 meter rope sections 4a and 4b from the support   Positioning the three pulleys and the winch in this man-
         mechanism on the edge of the vessel deck 8, and with the   ner relative to each other and to the vehicle to be recovered
         crane hook 11 disconnected from the object 14 and heaved   provides for cable  26 always being positioned perpendicu-
         up. Deck storage reel 13 is now empty.               larly, or nearly so, to winch drum 16 and for the length of
                                                              cable 26 to be the length required for maximum control of
         Recovery bumper with a multiple-pulley, multi-       cable 26. Cable 26, with hook 24 attached to its free end, has
         directional winch-system and stabilizing support legs  its other end attached to winch drum 16. Preventing cable
         Pat. 8,276,884  U.S. class 254/327  Int. class B66D 1/36  26 from coming off of either vertical-axis grooved pulley 12
         Inventor: Bernard Rusiniak, Depew, NY.
         Assignee: Bernard Rusiniak, Depew, NY.
           A remotely controllable recovery vehicle winch/stabilizing
         system, having a vehicle bumper; a first pulley attached to
         the bumper’s  first end; a  winch attached  to  bumper’s  sec-
         ond end; a second pulley approximately midway between the
         first pulley and said winch and adjacent a swivel sheave; a
         cable, directed by the first and second pulleys and the swiv-
         el sheave, to be wound or unwound about the winch, with
         the  pulleys,  the  swivel  sheave,  and  the  winch  operatively
         arranged with respect to each other so as to maintain the
         cable perpendicular, or nearly so, to the rotational axis of
         the drum as it is fed to or played off of the drum so as to   Figure 6: Plan view of a bumper housing a winch-cable system.

         58     Wire Rope News & Sling Technology   February 2018
   53   54   55   56   57   58   59   60   61   62   63