WO2004027163A1 - Appareil de montage de lame arriere de bulldozer - Google Patents

Appareil de montage de lame arriere de bulldozer Download PDF

Info

Publication number
WO2004027163A1
WO2004027163A1 PCT/US2003/011046 US0311046W WO2004027163A1 WO 2004027163 A1 WO2004027163 A1 WO 2004027163A1 US 0311046 W US0311046 W US 0311046W WO 2004027163 A1 WO2004027163 A1 WO 2004027163A1
Authority
WO
WIPO (PCT)
Prior art keywords
blade
bulldozer
hydraulic cylinder
frame
cylinders
Prior art date
Application number
PCT/US2003/011046
Other languages
English (en)
Original Assignee
Hopson, Donald G.
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 Hopson, Donald G. filed Critical Hopson, Donald G.
Priority to AU2003221857A priority Critical patent/AU2003221857A1/en
Publication of WO2004027163A1 publication Critical patent/WO2004027163A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/7622—Scraper equipment with the scraper blade mounted on a frame to be hitched to the tractor by bars, arms, chains or the like, the frame having no ground supporting means of its own, e.g. drag scrapers
    • E02F3/7631—Scraper equipment with the scraper blade mounted on a frame to be hitched to the tractor by bars, arms, chains or the like, the frame having no ground supporting means of its own, e.g. drag scrapers with the scraper blade adjustable relative to the frame about a horizontal axis
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/7609—Scraper blade mounted forwardly of the tractor on a pair of pivoting arms which are linked to the sides of the tractor, e.g. bulldozers
    • E02F3/7618—Scraper blade mounted forwardly of the tractor on a pair of pivoting arms which are linked to the sides of the tractor, e.g. bulldozers with the scraper blade adjustable relative to the pivoting arms about a horizontal axis
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/963—Arrangements on backhoes for alternate use of different tools
    • E02F3/964—Arrangements on backhoes for alternate use of different tools of several tools mounted on one machine

Definitions

  • This invention relates to a rear blade mounting apparatus for a bulldozer.
  • the invention relates to a blade apparatus and its control method, which blade is mounted to the rear of the bulldozer such that the rear blade can be operated in lift or tilt modes.
  • a bulldozer is typically a tractor-like machine having a forwardly mounted bucket that extends forward of the body of the bulldozer.
  • the bulldozer further includes a pair of
  • Hydraulic cylinders or the like, are mounte on the loader arms and controlled to cause the bucket to be positioned in various desired positions.
  • the bucket can be lifted over the body or placed on the ground. Further, the orientation of the bucket can be controlled to hold dirt or the like or to dump the same.
  • the rear of the tractor may include an attachment that trails the body of the bulldozer such as a ripper, or a winch, or the rear of the tractor may not include any such accessory.
  • the present invention is designed to be mounted to the rear of a bulldozer that will effectively access and make collectable materials such as fine material remaining at near the walls of a mine pit for example, that the front-end bucket of the bulldozer is unable to access.
  • the preferred embodiment generally includes a frame that extends from the rear of the body of the bulldozer, said frame including a pair of extending loader arms pivotally connected to the rear of the bulldozer, and a blade pivotally mounted on free ends of the loader arms, and hydraulic cylinders, or the like, controlle to cause the blade to be positioned in various desired positions.
  • Fig. 1 is a side view of a bulldozer having rearwardly mounted the preferred embodiment of the present invention, where the blade is in a first position.
  • Fig. 2 is a side view of the bulldozer of Fig.1 where the blade is in a second position.
  • Fig. 3 illustrates a perspective view of the frame of the present invention.
  • Fig. 4 illustrates a perspective view of the blade of the present invention.
  • Fig. 5 illustrates a partial view of the bulldozer with the blade in a third position.
  • Figs. 1 - 5 illustrate a preferred embodiment of a bulldozer rear blade mounting structure 50 made in accordance with the present invention.
  • a common bulldozer tractor 10 also referred to as a tractor 10) having the prior art forwardly mounted bulldozer structure 12 having a bucket 15 secured to the front of th tractor 10 is disclosed.
  • the structure 50 includes a frame 55, said frame 55, as best shown in Fig. 3, having first and second support arms 55A and 55B.
  • the support arms 55A and 55B extend from the rear of the body o the tractor 10 and is pivotally mounted to the rear of the body of the tractor 10 in a manner using connecting pivot points 57A (not shown) and 57B (shown in Fig. 5).
  • Th opposite ends of support arms 59A and 59B of the support arms are coupled to midwa end portions 65A and 65B of the inside of a blade 60.
  • the blade 60 having a blade edge member 61 and including upper end portions 62A (not shown) and 62B disposed at the approximate upper end of the blade 60 at opposing right and left ends thereof.
  • the midway end portions 65A and 65B disposed at the approximate midway of the blade 60 at opposing right and left ends thereof.
  • the blade 60 having a substantially rectangular configuration.
  • each of said arms 55A and 55B is disposed coupling joints 56A and 56B that attach to a pair of upper hydraulic cylinders 66A and 66B and pair of lower hydraulic cylinders 67A (not shown) and 67B as will be further described.
  • the frame 55 further including support plates 70 and 72 disposed between support arms 55A and 55B, the plates 70 and 72 provided to suppo the functional elements of the frame 55.
  • the rear of the tractor 10 having pairs of upper and lower end joints 58A (not shown), 58B and 58C (not shown), 58D, respectively, for attaching the hydraulic cylinders 66A, 66B and 67A and 67B.
  • the upper hydraulic cylinders 66A and 66B are removably and pivotally installed to the upper end joints 58A and 58B of the rear of the tractor 10; and the lower hydraulic cylinders 67A and 67B are removably and pivotally installed to the lower end joints 58C and 58D of the rear of the tractor 10.
  • the other end of the pair of upper hydraulic cylinders 66A and 66B removably and pivotally attached to the upper end portions 62A and 62B of the inside of the blade 60; and th
  • said upper hydraulic cylinders 66A and 66B being longer than the lower hydraulic cylinders 67A and 67B in order to further extend the blade 60 from the tractor 10 and to give sufficient clearance between the blade 60 and the tracto 10.
  • said cylinders 66A and 66B being pivotally attached to the upper end portions 62A and 62B at the approximate upper end of the blade 60, the blade 60 is able to be positioned higher than the standard forwardly mounted bucket 15.
  • the rear blade mounting structur 50 is symmetrically constructed with pairs of elements on opposite sides of the tractor 10. As such, only the elements found on one side of the tractor 10 is primarily discussed and shown in the Figs. 1 - 2. It should be understood that the other set of elements are identical to those described, with the exception that the other set of elements are mirror images of the first set of elements described.
  • the application of the rear blade mounting structure 50 is generally operating means used for the conventional forwardly mounted bulldozer structure 12 known in the art.
  • the blade 60 may be moved substantially vertically by rotating the frame 55 about pivot arm 57B and the blade 60 can be rotated about pivot point 65B which forms a substantial horizontal axis.
  • the user can retract upper cylinder pair 66A, B to raise the blade 60 to the position shown in Fig. 2.
  • This position allows the user to position the blade 60 above a pile of material to be moved.
  • the user can extend cylinder pair 67A, B to drop the frame 55 and extend cylinder pair 66A, B to achieve a third position shown in Fig. 5.
  • the blade edge 61 can dig in and by pulling the whole tractor 10 forward material in front of the blade 60 can be pulled forward.
  • the user adjusts the blade 60 by selectively extending or retracting the upper hydraulic cylinders 66A and 66B, and the lower hydraulic cylinders 67A and 67B.
  • said cylinders 66A, 66B and 67A, 67B are telescopically adjusted such to be shorter or longer, the blade 60 is shifted and rotates about said substantially horizontal axis.
  • the user If the user wishes the blade 60 to be oriented at a selected angle with respect to the longitudinal axis of the tractor 10 (as shown in Figs. 1 - 2), the user extends either the upper hydraulic cylinders 66A and 66B or the lower hydraulic cylinders 67A and 67B until the blade 60 is at the desired orientation.
  • the tractor 10 uses the forwardly mounted bulldozer bucket 15 to collect and remove earth, from a mine pit work site for example.
  • the user utilizes the rear blade mounting structure 50 mounted to the rear of the tractor 10 to move such material so that the forwardly mounted bucket 15 is then able to collect and remove such material.
  • the operator raises the upper hydraulic cylinders 66A and 66B causing the blade 60 to rotate as shown in Fig. 2, so that the blade 60 is positioned above the said material to be moved and on the approximate same vertical axis as the said wall of the pit.
  • the blade 60 moves that material in contact with the blade 60, that material approximately between the blade 60 and the rear of the tractor 10. It has been found that such material should be moved the approximate length of the body of the tractor 1 in order to make available to the bucket 15 for collection.. Once moved, such material is then accessible to the bucket 15 and is collected and removed by the bucket 15 on the front of the tractor 10 in a conventional manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)

Abstract

L'invention concerne un appareil (50) de montage de lame arrière pour un bulldozer (10). Cet appareil de montage comprend généralement une structure (55) qui s'étend depuis l'arrière du corps du bulldozer (10). Cette structure comprend une paire de bras de chargement (55a, b) reliés pivotants à l'arrière du bulldozer (10), une lame (60) montée pivotante sur les extrémités libres des bras de chargement, et des vérins hydrauliques (66, 67) ou analogues, commandés pour amener la lame à être positionnée dans diverses positions désirées.
PCT/US2003/011046 2002-04-11 2003-04-11 Appareil de montage de lame arriere de bulldozer WO2004027163A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003221857A AU2003221857A1 (en) 2002-04-11 2003-04-11 Bulldozer rear blade mounting apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US37133102P 2002-04-11 2002-04-11
US60/371,331 2002-04-11

Publications (1)

Publication Number Publication Date
WO2004027163A1 true WO2004027163A1 (fr) 2004-04-01

Family

ID=32030562

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/011046 WO2004027163A1 (fr) 2002-04-11 2003-04-11 Appareil de montage de lame arriere de bulldozer

Country Status (2)

Country Link
AU (1) AU2003221857A1 (fr)
WO (1) WO2004027163A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1516966A1 (fr) 2003-09-22 2005-03-23 Giat Industries Vehicule militaire d'aménagement de terrain

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2874489A (en) * 1957-06-19 1959-02-24 Wayne W Orjala Tool attaching device
US3822751A (en) * 1973-06-12 1974-07-09 Valley Engineering Mounting assembly for attaching a material treating blade to a vehicle
US4529041A (en) * 1984-01-30 1985-07-16 Black Milton W Soil scraper and leveler
US4562891A (en) * 1982-07-30 1986-01-07 Bomadier-Rotax-Wien Produktions- und Vertriebsgesellschaft mbH Front vehicle blade mount
US4991659A (en) * 1990-04-23 1991-02-12 Caterpillar Inc. Ripper assembly with pitch control and integral frame and push block
US5156215A (en) * 1991-07-01 1992-10-20 Golden Sunlight Mines, Inc. Counterweight assembly for crawler tractor
US5538086A (en) * 1994-12-27 1996-07-23 Wright; Rocky A. Variable orientation attachment implement
US5555944A (en) * 1993-09-08 1996-09-17 Kabushiki Kaisha Komatsu Seisakusho Twin-scrape dozer

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2874489A (en) * 1957-06-19 1959-02-24 Wayne W Orjala Tool attaching device
US3822751A (en) * 1973-06-12 1974-07-09 Valley Engineering Mounting assembly for attaching a material treating blade to a vehicle
US4562891A (en) * 1982-07-30 1986-01-07 Bomadier-Rotax-Wien Produktions- und Vertriebsgesellschaft mbH Front vehicle blade mount
US4529041A (en) * 1984-01-30 1985-07-16 Black Milton W Soil scraper and leveler
US4991659A (en) * 1990-04-23 1991-02-12 Caterpillar Inc. Ripper assembly with pitch control and integral frame and push block
US5156215A (en) * 1991-07-01 1992-10-20 Golden Sunlight Mines, Inc. Counterweight assembly for crawler tractor
US5555944A (en) * 1993-09-08 1996-09-17 Kabushiki Kaisha Komatsu Seisakusho Twin-scrape dozer
US5538086A (en) * 1994-12-27 1996-07-23 Wright; Rocky A. Variable orientation attachment implement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1516966A1 (fr) 2003-09-22 2005-03-23 Giat Industries Vehicule militaire d'aménagement de terrain

Also Published As

Publication number Publication date
AU2003221857A1 (en) 2004-04-08

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