Page 57 - Wire Rope News & Sling Technology

 

 

 

 

 

Page 57 - Wire Rope News & Sling Technology
P. 57

slewing body 20 slewably mounted on the lower propelling
         body 10, a boom 25 pivotably attached to the upper slewing
         body 20, a mast 30 pivotably attached to the upper slewing
         body 20 at a position rearward of the boom 25, and a pair of
         right and left counterweight support members 41 attached
         to a rear end of the upper slewing body 20, the counterweight
         50 being hung from the upper end of the mast 30. The lower
         propelling body 10 includes a propelling body 11 shown in
         figure 2 and a pair of crawlers 17 (figure 1) attached to right
         and left sides of the propelling body 11 respectively, provid-
         ed for traveling of the mobile crane 1.
           The propelling body 11, as shown in figure 2, has a car
         body 12, a pair of right and left crawler frames 13, and a
         body lifter 15. The car body 12 makes up a central portion
         of the propelling body 11, and has a rectangular shape when
         viewed from above. The crawler frames 13 are arranged re-
         spective ones  of right  and left sides  of  the car  body  12  to
         extend in a frontward-rearward direction. The crawlers 17
         are attached to respective ones of the crawler frames 13. The
                                                                  PULLEYS & SHEAVESVES
         body lifter 15 is attached to four corners of the car body 12   PULLEYS & SHEA
         to lift/lower the lower propelling body 10 during assembling
         and disassembling of the lower propelling body 10.
           The body lifter  15 comprises four arms  16 each having
         a basal end attached to the car body 12 and adapted to be
         horizontally rotationally moved about the basal end, and
         four body lifter cylinders each attached to a distal end of the
         arms 16 respectively. In this embodiment, the hydraulic cyl-
         inders 60 are additionally used as the body lifter cylinders.
           The distal end of the arm 16 is formed as a body-lifter-side
         cylinder-holding portion, namely a second cylinder-holding
         portion, adapted to detachably hold the hydraulic cylinder 60
         used as the body lifter cylinder. More specifically, as shown
                                                                  Military Specification Pulleys
                                                                  & Commercial Sheaves.


                                                                  Loos & Co., Inc. is proud to off er a
                                                                  wide variety of military specifi cation
                                                                  and commercial pulleys and sheaves.
                                                                  These products are the perfect
                                                                  compliment to the specialized wire
                                                                  and wire ropes used in the markets
         Figure 3:. Rear view of a propelling body.               that we have supported for years.


         in figure 3, the arm 16 has an arm-side bracket 16b, and the
         hydraulic cylinder 60, which can be additionally used as the   Pair these products with our wide
         body lifter cylinder, has a cylinder-side bracket 60b adapted   range of wire rope and cable products
         to be attached to the mounting bracket 16b. The brackets   and you’ll get the performance you
         16b and 60b have respective pin holes, into which respective   need, when you need it.
         pins are inserted to fix the hydraulic cylinder 60 to the distal
         end of the arm 16.
           For assembling and disassembling of the lower propelling
         body 10, the body lifter 15 is extracted from the car body 12   Call 800-533-5667 or email
         outwardly in the frontward-rearward direction, as indicated
         by the solid lines in figure 2, and then operated to separate   sales@loosco.com for a quote today.
         the propelling body 11 upward from a ground surface G, as
         shown in figure 3 (it should be noted that figure 3 expresses
         the spacing as a change in position of the ground surface
         G from G2 to G1). In this state, the crawler frames 13 are
         attached/detached to/from the car body 12 while the crawl-
         ers 17 shown in figure 1 are kept attached to the respective        www.loosco.com
         crawler frames 13. On the other hand, during a period other
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