WO1999024348A2 - Grue et techniques en rapport - Google Patents

Grue et techniques en rapport Download PDF

Info

Publication number
WO1999024348A2
WO1999024348A2 PCT/US1998/023946 US9823946W WO9924348A2 WO 1999024348 A2 WO1999024348 A2 WO 1999024348A2 US 9823946 W US9823946 W US 9823946W WO 9924348 A2 WO9924348 A2 WO 9924348A2
Authority
WO
WIPO (PCT)
Prior art keywords
boom
affixed
crane
butt
butt adapter
Prior art date
Application number
PCT/US1998/023946
Other languages
English (en)
Inventor
Daniel E. Davis
Original Assignee
Davis Daniel E
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Davis Daniel E filed Critical Davis Daniel E
Priority to AU15213/99A priority Critical patent/AU1521399A/en
Publication of WO1999024348A2 publication Critical patent/WO1999024348A2/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/82—Luffing gear

Definitions

  • the present invention relates to a crane apparatus and method for more efficient lifting.
  • the chassis is generally supported on a tractor base.
  • the boom is arranged at the front of the chassis and is capable of rotating.
  • the chassis is also fitted with an A-frame-like structure, termed an A-frame.
  • a line typically runs between the upper end of the boom and the A- frame structure and is arranged by way of holding ropes, pulley blocks and rope winches. This line is used to hold the boom in place and to rotate the boom by lengthening or shortening the line in a relative manner.
  • the A-frame structure can be solidly attached to the chassis or rotate on it. If the A-frame structure rotates on it, the rotating frame is with the help of lines maintained in a respective position.
  • the distance between the bearings for the boom and those for the A-frame structure or the bearings for the line winches and lifting blocks is equal to the useful chassis length. Accordingly, the chassis must be very massive to cope with the enormous forces that are placed on it. Furthermore, the chassis generally requires two hoisting winches and one draw-in winch. The use of multiple winches makes it more difficult to install auxiliary equipment such as drive motors, pumps, oil tanks etc. on the chassis.
  • a feature of the present invention to provide an apparatus and method that offers more favorable load conditions.
  • Another feature of the present invention is to provide an apparatus and method that leads to a lighter and thus less expensive chassis.
  • Another feature of the present invention is to provide an apparatus and method such that provides more favorable space utilization.
  • a crane apparatus and method comprising a lower structure and a butt adapter pivotally mounted to the lower structure to enable the butt adapter to pivot freely in a plane parallel with the longitudinal axis of said lower structure. Also provided is a boom affixed to said butt adapter.
  • a gantry comprising a fixed end and a free end, with the fixed end rigidly affixed to the butt adapter in a plane perpendicular to the longitudinal axis of the butt adapter and the free end able to freely pivot about its fixed end upon pivotal motion of the butt adapter.
  • a guide wire has a gantry end and a boom remote therefrom. The gantry end is affixed to the free end of the gantry and the boom end is affixed to the boom. The guide wire keeps the boom, butt adapter and gantry in a rigidly fixed relationship as the butt adapter pivots.
  • An activating device comprising a forcing end and a pivoting end is provided with the pivoting end mounted to the lower structure and the forcing end affixed to the butt adapter. The actuating device can move the butt adapter.
  • a crane for freely suspending a load above the ground having a lower structure adapted for use with an excavator crawler.
  • An upper structure adapted for use with an excavator upper which upper structure is affixed to said lower structure.
  • a receptacle is affixed to the upper structure.
  • a butt adapter is pivotally mounted to the receptacle to enable the butt adapter to pivot freely in a plane parallel with the longitudinal axis of the upper structure.
  • a boom insert is affixed to the butt adapter.
  • a boom is affixed to the boom insert.
  • a gantry has a fixed end and a free end.
  • a guide wire has a gantry end and a boom end.
  • the gantry end is affixed to the free end of the gantry and the boom end is affixed to the boom.
  • the guide wire keeps the boom, boom insert, butt adapter and gantry in a rigidly fixed relationship as the butt adapter pivots.
  • An activating device has a forcing end and a pivoting end.
  • a crane apparatus for freely suspending a load above the ground.
  • the crane apparatus has a lower structure adapted for use with an excavator comprising a swivel at a position remote from the ground and a continuous belt drive track for mobilizing the crane over the ground.
  • the swivel is capable of being moved from an unlocked state to a locked state.
  • An upper structure is adapted for use with an excavator comprising a support chamber end and a platform.
  • the support chamber end is capable of receiving counterweights to provide structural integrity to the upper structure and the platform comprising a support end and a boom end, and providing a structural base for the lifting device.
  • the upper structure is pivotally mounted on the swivel of the lower structure such that the upper structure is able to rotate freely about its vertical axis while the swivel is in its unlocked state and the upper structure remains fixed in its rotated position while the swivel is in its locked state.
  • a receptacle is affixed to the platform of the upper structure such that the longitudinal axis of the receptacle coincides with the longitudinal axis of the platform of the upper structure.
  • a butt adapter has a receptacle end and a boom insert end.
  • the receptacle end is pivotally mounted to the receptacle to enable the boom insert end of the butt adapter to pivot freely about the mounted receptacle end in a plane parallel with the longitudinal axis of the platform of the upper structure from a first horizontal position, in which the longitudinal axis of the butt adapter lies in a horizontal plane coincident with the longitudinal axis of said upper structure with the boom insert end of said butt adapter pointing away from said support chamber of said upper structure, to a second vertical position in which the longitudinal axis of said butt adapter lies in a vertical plane coincident with the vertical axis of said upper structure.
  • a boom insert having a butt end and a boom end.
  • the butt end is affixed to the boom end of the butt adapter.
  • the boom has a fixed end and a functional end.
  • Thefixed end is rigidly affixed to the boom end of the boom insert.
  • a gantry has a fixed end and a free end.
  • the fixed end of the gantry is rigidly affixed to the butt adapter in a plane perpendicular to the longitudinal axis of the butt adapter and the free end is able to freely pivot about its fixed end upon pivotal motion of the butt adapter.
  • a guide wire has a gantry end and a boom end. The gantry end is affixed to the free end of the gantry and the boom end is affixed to the functional end of the boom.
  • the guide wire keeps the boom, boom insert, butt adapter and gantry in a rigidly fixed relationship as the butt adapter pivots from its a first horizontal position to a second vertical position.
  • An activating device has a forcing end and a pivoting end. The pivoting end of the activating device is pivotally mounted to the boom end of the platform of the upper structure and the forcing end is affixed to the boom insert end of the butt adapter. The actuating device is capable of moving the butt adapter from its first horizontal position to its second vertical position.
  • an improved method of disengaging a boom from a crane is provided.
  • the crane has a gantry, butt adapter, and boom insert.
  • the boom is held in a fixed relationship by a guide wire.
  • the crane has a stabilizing device affixed between the butt adapter and the boom insert.
  • the method comprises the steps of releasing the tension in the guide wire, releasing opposite sets of pins connecting the boom insert to the boom such upon the application of a requisite force, the boom is able to pivot about the remaining connected pins between the boom insert and the boom, applying a requisite force by extending the hydraulic cylinder of the stabilizing device such that the boom is able to pivot about the remaining connected pins between the boom insert and the boom, breaking apart the connection between the boom and boom insert, and releasing the remaining pins between the boom and boom insert.
  • FIG. 1 is an illustration of a conventional crane device.
  • FIG. 2 is a side elevational view of a preferred embodiment of the present invention.
  • FIG. 3 is an end view illustrating the relationship between the lower structure, the swivel, and the upper structure used in the preferred embodiment of the present invention as illustrated in FIG. 2.
  • FIG. 4 is a perspective view of the lower structure, continuous belt drive and swivel of the preferred embodiment of the present invention.
  • FIG. 5 is a perspective view of the upper structure mounted on the lower structure shown in FIG. 4. A portion of the upper structure is cut away to reveal the components of the receptacle.
  • FIG. 6 is an elevational view of the boom shown in FIG. 2 with an intermediate member added.
  • FIG. 7 is a detailed elevational view showing the relationship between the butt adapter, the receptacle, the boom end of the platform and the actuating device of the preferred embodiment shown in FIG. 2.
  • the illustration shows the range of motion of the butt adapter and actuating device.
  • FIG. 8 is a view illustrating the scope of coverage of the boom of the preferred embodiment of the crane apparatus of the present invention.
  • the crane is shown moving from Position A to a Position B.
  • FIG. 9 is an elevational view showning the relationship between the gantry, the boom and the butt adapter of the preferred embodiment.
  • FIG. 10 is a detailed elevational view showing the relationship of the butt adapter and boom shown in FIG. 9.
  • FIG. 11 is a detailed elevational view showing the interaction between the butt adapter, the actuating device, the stabilizing device, the boom insert and the boom as the boom is being disassembled.
  • FIG. 12 is an illustration showing the gantry being used to remove support weights from the support chamber.
  • the illustration shows the relationship between the support platform and support chamber of the upper structure and the gantry attached to the butt adapter as the support weight is lifted.
  • FIG. 13 shows the preferred embodiment shown in FIG. 2 with the winch located on the gantry rather than the butt adapter.
  • the lower structure 200 of the crane is that of an excavator crawler.
  • the lower structure provides support for the crane 100 and enables the crane 100 to both rotate and move laterally.
  • Rotation of the crane is enabled by the swivel 230 affixed to the upper portion of the lower structure 200.
  • the upper structure 300 is attached to the lower structure 200 by engagement with the swivel 230.
  • the upper structure 300 is rotatably engaged with the lower structure 200.
  • Lateral movement of the crane 100 is provided by the continuous belt drive track 210 powered by the belt spool 230.
  • the support platform 320 of the upper structure 300 consists of a support end 322 and a boom end 324.
  • the support end 322 provides support for the support chamber 310.
  • the support chamber 310 houses the counterweights 326 used to provide stability to the crane when lifting.
  • the boom end 324 of the support platform 320 houses the receptacle 340 and the actuator securing device 330.
  • the receptacle 340 is comprised of a left and right side wall (340a and 340b, respectively) which form a channel 350 in the receptacle.
  • the butt adapter 400 is shown affixed to the crane 100 of the preferred embodiment.
  • the butt adapter 400 is affixed at its receptacle end 410 to the receptacle 340.
  • the butt adapter 400 is secured to the receptacle 410 by use of the securing devices 360 on the receptacle 340 and the receptacle securing devices 430 on the butt adapter 400.
  • connection between the butt adapter 400 and the receptacle 340 is such as to allow the butt adapter 400 to pivot about the receptacle 340 in a plane parallel to the channel 350 in the receptacle 340.
  • Affixed to the receptacle end 410 of the butt adapter 400 are gantry securing devices 460 which enable the gantry 800 to be affixed to the butt adapter 400.
  • the opposite end of the butt adapter 400, the boom insert end 420 houses boom securing devices 450 which enable the butt adapter 400 to attach to the boom insert 500.
  • the boom insert end 420 of the butt adapter 400 houses an actuator securing device 440 to enable the actuation device 1000 to attach to the butt adapter 400.
  • the boom insert 500 is attached to the butt adapter 400 by securing the butt adapter securing devices 530 located on the butt end 510 of the boom insert 500 to the boom securing devices 450 attached to the butt adapter 400.
  • the connection allows for the boom insert 500 to rotate along a plane perpendicular to its parallel axis.
  • the opposite end of the boom insert 500 is the boom end 520.
  • the boom end 520 of the boom insert 500 has exterior and interior boom securing devices (540a and 540b, respectively).
  • Affixed to the boom insert 500 is the actual boom 600.
  • the boom 600 is affixed at its fixed end 610 to the boom insert 500 by securing the exterior and interior boom securing devices (630a and 630b, respectively) to the exterior and interior boom securing devices 540a and 540b on the boom insert 500.
  • the functional end 620 of the boom 600 houses the guide wire securing device 640.
  • intermediate boom members can be added. As shown in FIG. 6, the intermediate boom members
  • the intermediate members are secured to the boom insert and the boom by interior and exterior securing devices shown on FIG. 6 as numerals 730a, 730b, 740a, and 740b.
  • the gantry 800 is affixed at its fixed end 820 to the butt adapter 400.
  • the butt adapter securing device 840 is secured to the gantry securing device 460 located on the butt adapter 460.
  • the connection between the gantry 800 and the butt adapter 400 is a rigid connection.
  • the free end 810 of the gantry 800 houses a guide wire securing device 830.
  • the gantry end 910 of the guide wire 900 is affixed to the guide wire securing device 830 and the boom end 920 of the guide wire 900 is affixed to the guide wire securing device 640 of the boom 600.
  • the guide wire 900 acts to keep the gantry 800, the butt adapter 400, the boom insert 500 and the boom 600 in a rigidly fixed relationship. Thus, all of the components rotate about the receptacle 340 in a fixed relationship by virtue of the gantry 800 and the guide wire 900.
  • FIG. 12 an additional feature of the gantry 800 is shown in FIG. 12.
  • the gantry 800, as shown in FIG. 12 can be used to lift the counterweights 326 from the support chamber 310 by affixing a hook to the free end 830 of the gantry 800.
  • a stabilizing device 1100 is provided.
  • the stabilizing device 1100 is affixed at its butt adapter end 1110 to the butt adapter 400 and at its boom insert end 1120 to the boom insert 500.
  • the stabilizing device 1100 provides resistance to movement of the boom insert
  • the stabilizing device 1100 ensure that the rigid relationship between the gantry 800, butt adapter 400, and boom 600 is maintained. In addition, as illustrated in FIG. 11, the stabilizing device 1100 also helps to disassemble the boom 600 from the boom insert 500.
  • the actuating device 1000 is connected between the butt adapter 400 and the support platform 320 of the upper structure 300.
  • the actuating device 1000 is pivotally connected by the butt adapter securing devices 1030 at its forcing end 1010 to the actuator securing devices 440 of the butt adapter.
  • the actuating device 1000 is pivotally connected by the platform securing devices 1040 to the securing devices 300 of the platform 320.
  • the actuating device 1000 enables the boom 600 of the crane to lift. Extension of the forcing end 1010 of the actuating device 1000 forces the butt adapter 400 to rotate upwards. In turn, the boom 600 is also forced to move upwards.
  • the crane 100 is provided with a winch 1200 or a series of winches (not shown).
  • the winch 1200 is shown affixed to the butt adapter 400 in the preferred embodiment shown in FIG. 2. Shown in FIG. 13, the winch 1200 is shown affixed to the gantry 800.
  • the winch 1200 is comprised of a winch pulley 1220 and a functional end 1230 of the winch 1200.
  • the functional end 1230 is interchangeable depending on the operation being performed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

Cette invention a trait à une grue et aux techniques en rapport permettant de suspendre librement une charge au-dessus du sol. Un adaptateur d'about est monté pivotant sur la structure inférieure de la grue afin de pouvoir pivoter librement sur un plan parallèle à l'axe longitudinal de cette structure inférieure. Une flèche est également rattachée à cet adaptateur. La grue comporte une poutre dont une extrémité est fixe et l'autre libre, la première étant rattachée par un montage rigide à l'adaptateur, perpendiculairement à l'axe longitudinal de celui-ci, tandis que la seconde est à même de pivoter librement autour de son extrémité fixe après pivotement de l'adaptateur. L'une des extrémités d'un fil guide se trouve coté poutre et l'autre, à distance, coté flèche. L'extrémité coté poutre est rattachée à l'extrémité libre de la poutre et l'extrémité coté flèche à la flèche. Le fil guide maintient fixés de manière rigide la flèche, l'adaptateur et la poutre lorsque l'adaptateur pivote. La grue est également pourvue d'un actionneur comportant une extrémité exerçant une force et une extrémité pivotante, cette dernière étant montée pivotante sur la structure inférieure et l'extrémité exerçant une force étant rattachée à l'adaptateur. Cet actionneur est destiné à faire se déplacer l'adaptateur.
PCT/US1998/023946 1997-11-10 1998-11-10 Grue et techniques en rapport WO1999024348A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU15213/99A AU1521399A (en) 1997-11-10 1998-11-10 Crane apparatus and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT189997 1997-11-10
ATA1899/97 1997-11-10

Publications (1)

Publication Number Publication Date
WO1999024348A2 true WO1999024348A2 (fr) 1999-05-20

Family

ID=3523437

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/023946 WO1999024348A2 (fr) 1997-11-10 1998-11-10 Grue et techniques en rapport

Country Status (2)

Country Link
AU (1) AU1521399A (fr)
WO (1) WO1999024348A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2014603A3 (fr) * 2007-07-10 2010-02-24 Liebherr-Werk Ehingen GmbH Grue de véhicule

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2014603A3 (fr) * 2007-07-10 2010-02-24 Liebherr-Werk Ehingen GmbH Grue de véhicule
US7896316B2 (en) 2007-07-10 2011-03-01 Liebherr-Werk Ehingen Gmbh Truck crane

Also Published As

Publication number Publication date
AU1521399A (en) 1999-05-31

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