US2262810A - Pickup device for piles - Google Patents

Pickup device for piles Download PDF

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Publication number
US2262810A
US2262810A US292806A US29280639A US2262810A US 2262810 A US2262810 A US 2262810A US 292806 A US292806 A US 292806A US 29280639 A US29280639 A US 29280639A US 2262810 A US2262810 A US 2262810A
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United States
Prior art keywords
section
pile
pickup device
roller
piles
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Expired - Lifetime
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US292806A
Inventor
George A Mccammon
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Standard Oil Development Co
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Standard Oil Development Co
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Publication date
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Priority to US292806A priority Critical patent/US2262810A/en
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Publication of US2262810A publication Critical patent/US2262810A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof

Definitions

  • the present invention is directed to a pickup device for piles, particularly concrete piles.
  • the principal object of the present invention is the provision of a device which can be attached to a lifting cable so as to make possible the picking up of concrete piles and the disengagement of the liftin cable from the pile after the pile is set in place.
  • Figure 2 is a cross section of Figure 1 along the line AA.
  • numeral 1 designates a concrete pile provided with a transverse bore 2 lined with a pipe 3. This pipe is set in place when the pile is cast and is provided particularly for the use of the pickup device of the present invention.
  • the pickup device of the present invention comprises a roller 4 adapted to slide through pipe 3 having at each end a section 5 of reduced diameter followed by a flange 6. At one of its ends a rope I is anchored in place so that the roller can be recovered after the pile is in place and the pickup device has been disengaged therefrom.
  • each of which has at one end an eye 9 adapted to receive a lifting cable H] which may be a length of cable formed in a loop the ends of which are fastened together by a clamp II and to which is attached the main length of cable l2, or which may be two separate lengths of cable attached to the main cable with a Y-connection.
  • the other end of each bar has a broadened section [3 in which is a slot having a lower end l4 of a width slightly greater than the outside diameter of the reduced section 5 of roller 4, and an upper end l5 of a width greater than the outside diameter of the flange B on roller 4.
  • each bar is provided with a raised section l6 of a thickness such as to fill the space between the flange 6 and the body of roller 4.
  • the upper edge of this thickened section is rounded as shown at I! so as to facilitate the entry of this thickened section into the space designated.
  • each bar On its inner face, at a point beginning intermediate the ends of the enlarged portion l5 of the slot, each bar is provided with a raised surface I8 the ends of which are also rounded as shown.
  • the purpose of this thickened section is to assist in the disengagement of the bars 8 from the roller 4 when by manipulation of the lifting line the bars 8 are caused to slide down relative to roller .4.
  • the bars are attached to the roller as shown, and the pile lifted and set in place. Then the lifting cable is suddenly slackened, thereby causing the bars to slide over the reduced section of roller 4. When this happens, the wide portion l5 of the slot is thrust over the flange 6 and the bars are disengaged from the roller which may be separately recovered as already-indicated.
  • a lifting device for a pile or beam comprising a rod member adapted to pass through the pile and protrude beyond the sides thereof and having a section of reduced diameter on each of its protruding ends in combination with a pair of arms adapted to be carried by a lifting cable, each of said arms being provided with a longitudinal slot having at its lower end a section of narrow width corresponding to the diameter of the reduced section of said rod and at its upper end a section of greater width than the diameter of the ends of said rods and with a raised portion arranged to be in contact with said pile adjacent the upper end of said slot.
  • a lifting device for a pile or beam comprising a rod member adapted to pass through the pile and protruding beyond the sides thereof, having a groove on each of its protruding ends in combination with a pair of arms, each of said arms having one end provided with a first opening at its other end provided with a longitudinal slot having at its lower end a section of narrow width corresponding to the diameter of the grooved sections of said rod and at its upper end a section of greaterwidth than the diameter of the end of said rod, a raised portion on one side of each of said arms adjacent the upper ends of said slots, said pair of arms having a cable passed through said first openings and formed into a loop for suspending said arms.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Description

Nov. 18, 1941. \G. A. MQCAMMON 2,262,810
PICKUP DEVICE FOR PILES Filed Aug. 31, 1939 MW. 777 Ca/mmm INVENTOR.
WWW
ATTORNEY. 7
Patented Nov. 18, 1941 PICKUP DEVICE FOR PILES George A. McCammon, La Salina, Venezuela, as-
signor to Standard Oil Development Company, a corporation of Delaware Application August 31, 1939, Serial No. 292,806
2 Claims.
The present invention is directed to a pickup device for piles, particularly concrete piles.
The principal object of the present invention is the provision of a device which can be attached to a lifting cable so as to make possible the picking up of concrete piles and the disengagement of the liftin cable from the pile after the pile is set in place.
Further objects and advantages of the present invention will appear from the accompanying drawing in which- Figure 1 is a side elevation of a lifting device of the present invention in engagement with a pile; and
Figure 2 is a cross section of Figure 1 along the line AA.
Referring to the drawing in detail, numeral 1 designates a concrete pile provided with a transverse bore 2 lined with a pipe 3. This pipe is set in place when the pile is cast and is provided particularly for the use of the pickup device of the present invention.
The pickup device of the present invention comprises a roller 4 adapted to slide through pipe 3 having at each end a section 5 of reduced diameter followed by a flange 6. At one of its ends a rope I is anchored in place so that the roller can be recovered after the pile is in place and the pickup device has been disengaged therefrom.
To cooperate with the roller 5 a pair of fiat bars 8 is provided, each of which has at one end an eye 9 adapted to receive a lifting cable H] which may be a length of cable formed in a loop the ends of which are fastened together by a clamp II and to which is attached the main length of cable l2, or which may be two separate lengths of cable attached to the main cable with a Y-connection. The other end of each bar has a broadened section [3 in which is a slot having a lower end l4 of a width slightly greater than the outside diameter of the reduced section 5 of roller 4, and an upper end l5 of a width greater than the outside diameter of the flange B on roller 4. The outer face of the lower end of each bar is provided with a raised section l6 of a thickness such as to fill the space between the flange 6 and the body of roller 4. The upper edge of this thickened section is rounded as shown at I! so as to facilitate the entry of this thickened section into the space designated. On its inner face, at a point beginning intermediate the ends of the enlarged portion l5 of the slot, each bar is provided with a raised surface I8 the ends of which are also rounded as shown. The purpose of this thickened section is to assist in the disengagement of the bars 8 from the roller 4 when by manipulation of the lifting line the bars 8 are caused to slide down relative to roller .4.
In use, the bars are attached to the roller as shown, and the pile lifted and set in place. Then the lifting cable is suddenly slackened, thereby causing the bars to slide over the reduced section of roller 4. When this happens, the wide portion l5 of the slot is thrust over the flange 6 and the bars are disengaged from the roller which may be separately recovered as already-indicated.
It will be understood that the present invention may be modified in various ways without departing from its scope which is defined in the appended claims, which are intended to be drawn as broadly as the prior art permits.
What is claimed is:
1. A lifting device for a pile or beam comprising a rod member adapted to pass through the pile and protrude beyond the sides thereof and having a section of reduced diameter on each of its protruding ends in combination with a pair of arms adapted to be carried by a lifting cable, each of said arms being provided with a longitudinal slot having at its lower end a section of narrow width corresponding to the diameter of the reduced section of said rod and at its upper end a section of greater width than the diameter of the ends of said rods and with a raised portion arranged to be in contact with said pile adjacent the upper end of said slot.
2. A lifting device for a pile or beam comprising a rod member adapted to pass through the pile and protruding beyond the sides thereof, having a groove on each of its protruding ends in combination with a pair of arms, each of said arms having one end provided with a first opening at its other end provided with a longitudinal slot having at its lower end a section of narrow width corresponding to the diameter of the grooved sections of said rod and at its upper end a section of greaterwidth than the diameter of the end of said rod, a raised portion on one side of each of said arms adjacent the upper ends of said slots, said pair of arms having a cable passed through said first openings and formed into a loop for suspending said arms.
GEORGE A. McCAMMON.
US292806A 1939-08-31 1939-08-31 Pickup device for piles Expired - Lifetime US2262810A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US292806A US2262810A (en) 1939-08-31 1939-08-31 Pickup device for piles

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Application Number Priority Date Filing Date Title
US292806A US2262810A (en) 1939-08-31 1939-08-31 Pickup device for piles

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US2262810A true US2262810A (en) 1941-11-18

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3674165A (en) * 1970-08-19 1972-07-04 Monsanto Co Hoisting and transporting device
NL1003454C2 (en) * 1996-06-28 1998-01-07 Gruenbauer G C Bv Beam and method and device for installing a beam.
NL1020608C2 (en) * 2002-05-16 2003-11-18 Constructiewerkplaats G C Gr N System incorporates at least steel girders, particularly for use in steel and/or concrete skeletal structures
EP1985572A1 (en) 2007-04-26 2008-10-29 Saab Ab Lifting device suitable for submersibles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3674165A (en) * 1970-08-19 1972-07-04 Monsanto Co Hoisting and transporting device
NL1003454C2 (en) * 1996-06-28 1998-01-07 Gruenbauer G C Bv Beam and method and device for installing a beam.
NL1020608C2 (en) * 2002-05-16 2003-11-18 Constructiewerkplaats G C Gr N System incorporates at least steel girders, particularly for use in steel and/or concrete skeletal structures
EP1985572A1 (en) 2007-04-26 2008-10-29 Saab Ab Lifting device suitable for submersibles
US20090033112A1 (en) * 2007-04-26 2009-02-05 Saab Ab Lifting device suitable for submersibles

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