WO2006089368A1 - Fixation hydraulique for chargeurs a direction a glissement - Google Patents

Fixation hydraulique for chargeurs a direction a glissement Download PDF

Info

Publication number
WO2006089368A1
WO2006089368A1 PCT/AU2006/000242 AU2006000242W WO2006089368A1 WO 2006089368 A1 WO2006089368 A1 WO 2006089368A1 AU 2006000242 W AU2006000242 W AU 2006000242W WO 2006089368 A1 WO2006089368 A1 WO 2006089368A1
Authority
WO
WIPO (PCT)
Prior art keywords
attachment
mast
post
assembly
tool
Prior art date
Application number
PCT/AU2006/000242
Other languages
English (en)
Inventor
Glen William Lapham
Carey Michael Johnston
Original Assignee
Glen William Lapham
Carey Michael Johnston
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
Priority claimed from AU2005900892A external-priority patent/AU2005900892A0/en
Application filed by Glen William Lapham, Carey Michael Johnston filed Critical Glen William Lapham
Priority to AU2006216124A priority Critical patent/AU2006216124A1/en
Priority to US11/817,256 priority patent/US20080190633A1/en
Publication of WO2006089368A1 publication Critical patent/WO2006089368A1/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
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E02F3/966—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of hammer-type tools
    • 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
    • E02F3/06—Dredgers; Soil-shifting machines mechanically-driven with digging screws

Definitions

  • This invention relates to an attachment, in particular to an hydraulic attachment which is particularly suited for use with skid steer loaders including small mechanical loaders such as stand on min-skid steer loaders,
  • the attachment of the invention is suitable for attachment to any form or size of machinery or vehicles.
  • the present invention relates to an attachment which serves as a post driver for use in driving posts such as fence posts or guard rail posts into the ground.
  • Background Art Where it is desired to install posts into the ground such as fence posts or guard rails posts, the common procedure is to use a earth drilling device to form a hole in the ground and thereafter install a post in the hole which is backfilled or filled with concrete to hold the post firmly in position. Alternatively the hole can be made manually. In either situation, the procedure is relatively time consuming and tedious where a large number of posts are to be installed. Removal of posts from the ground can also prove difficult.
  • Some of the large earth working machines such as backhocs can be provided with pile driving attachments which arc mounted on an articulated arm at the rear of the machine. It is difficult to manipulate the pile driver close to the post to be driven into the ground in these machines and hold the pile driver attachment in position during the pile driving operation.
  • the present invention aims to provide an attachment and in particular an hydraulic attachment which is particularly suited to use with a skid-steer loader and which may be used for a number of different purposes.
  • the hydraulic attachment of the invention may be used with other machinery such as other forms of loaders such as front end loaders or with ox in association with other forms of vehicle.
  • Other objects and advantages of the invention will become apparent from the following description.
  • the present invention thus provides in one aspect a hydraulic attachment adapted to be mounted to machinery or a vehicle such as earth working machinery, said attachment including a telescopic mast assembly, said mast assembly including a first lower mast member and at least one second upper mast member telescopically engaged with said lower mast member, at least one hydraulic actuator for extending or retracting said upper mast member relative to said lower mast member, mounting means for mounting said mast assembly to said machinery so as to be supported in use in a substantially upstanding attitude, and support means at the upper end of said mast assembly for supporting or carrying a tool.
  • the tool may comprise a post driver tool, an earth drilling tool or a post or tree extraction tool.
  • the support means is adapted to support the tool such that the tool depends from the support means.
  • the post driver tool for example may comprise reciprocative driving means for applying a reciprocative impact force to a post to be driven into the ground.
  • the driving means comprise fluid driven driving means suitably pneumatic driving means.
  • the driving means comprises a pneumatically reciprocative member which carries a weighted anvil or driving head.
  • the earth drilling tool may comprise an auger drivable by any suitable driving means for applying rotation to the auger.
  • the driving means may comprise an hydraulic motor.
  • the post or tree extraction tool may include means to grip a post or tree trunk such as hydrauHcally actuated jaws. Alternatively the post or tree extraction tool may simply comprise a chain which is wrapped around a post or tree and secured to the mast assembly.
  • the tools are detachably engageable with the support means.
  • the upper ends of the tools are detachably engageable with the support means.
  • the support means at the upper end of the mast assembly comprises an outwardly extending arm for supporting or carrying a tool.
  • the respective tools are detachably engaged with, the arm such that respective tools may be interchanged. If necessary the arm may be braced to the mast assembly.
  • the mast assembly may have a foot at its lower end which may be engaged with the ground to. stabilize the mast assembly in use. The foot may be adjustable from the lower end of the mast assembly for example by being telescopically extendable from the mast assembly.
  • the foot comprises a planar member adapted to seat on a ground surface.
  • the mounting means is suitably provided on the side of the post assembly opposite the support means for the tool.
  • the mounting means suitably includes a first part fixed to the mast assembly and a second part mountable to the machinery.
  • the mounting means may include means for adjusting the upright attitude of the mast assembly in a transverse vertical plane.
  • the first and second parts are preferably pivotally mounted to each other pivotal movement relative to each other about an axis extending substantially normal to the mast assembly which in use comprises a generally horizontal axis.
  • the means for adjusting the upright attitude of the post assembly suitably comprises means for pivoting the second part relative to the first part.
  • the means for pivoting the second part relative to the first part suitably comprises at least one actuator.
  • the actuator suitably is provided between the second part and the mast assembly.
  • the at least one actuator suitably comprises at least one hydraulic ram.
  • the second part extends laterally of the post assembly.
  • the second part extends laterally to opposite sides of the post assembly and a pair of hydraulic rams is provided, respective rams being located on opposite sides of the mast assembly and extending between the laterally extending portions of the second part and the mast assembly.
  • Means are suitably provided for holding the second part against, or in substantial juxtaposition with, the first part.
  • the holding means suitably comprises at least one connector.
  • the at least one connector suitably extends through at least one slot, suitably an arcuate slot in the first part which can accommodate limited pivotal movement of the first part relative to the second part.
  • a pair of connectors are provided on opposite sides of the mast assembly and extend from the second part and through respective slots in the first part.
  • the second part may include at least one slot and at least one connector may extend from the first part and through the at least one arcuate slot in the second part.
  • the connector or connectors suitable comprise bolts.
  • the second part includes coupling means for coupling to a complementary coupling means carried by the machinery.
  • the coupling means carried by the second part and machinery comprise male-female coupling means.
  • the coupling means comprises attachment means for releasably attaching the second part to the complementary coupling means carried by the machinery.
  • the second member of the mast assembly is received telescopically within the first member of the mast assembly.
  • the second mast member is received non-rotatably within the first mast member.
  • the first and second mast members comprise hollow sections preferably of a rectangular or square cross section, the sections being such that the second mast member has an external configuration of dimensions slightly less than the internal dimensions of the first mast member so as to be receivable in the first mast member for sliding movement relative thereto.
  • the mast assembly suitably also includes a third mast member telescopically received within the second mast member.
  • the third mast member is received non-rotatably within the mast member,
  • the third- mast member comprises a hollow section preferably of a rectangular or square cross section with an external configuration of dimensions slightly less than the internal dimensions of the second mast member such that the third mast member is receivable in the second mast member for sliding movement relative thereto.
  • the support means for the tool such as an arm is rigidly connected to the third mast member.
  • the arm extends substantially at right angles to the third mast member.
  • means are provided to extend and retract the third mast member relative to the second mast ' member.
  • Such means preferably comprise an hydraulic ram between the third mast member and second mast member.
  • the hydraulic ram is connected between a bracket secured to the second mast member and third mast member.
  • the bracket suitably comprises an elongated bracket secured at one end to the second mast member and extending longitudinally of the mast members and externally of the main mast member towards the normally lower end of the second and main mast members.
  • the present invention comprises machinery or a vehicle having an attachment described above mounted thereto.
  • the machinery suitably comprises hydraulically operated machinery such as earth working machinery.
  • the eaxth working machinery comprises a skid-steer loader or front-end loader and the mounting means mounts the attachment to the loader.
  • the present invention provides an impact applying attachment adapted to be mounted to machinery such as earth working or loading machinery, said attachment including a telescopic mast assembly, mounting means for releasably mounting said post assembly to said machinery so as to be arranged in a substantially upstanding altitude, and support means from the upper end of said post assembly and extending therefrom, said support means carrying impact applying means.
  • the impact applying means depends from the support means.
  • the impact applying means is provided on the side of the mast assembly opposite the mounting means.
  • the impact applying means is associated with a weighted driving head or anvil.
  • the mast assembly and mounting means may be substantially of the same configuration as those described above. Whilst the impact applying attachment is particularly designed for driving posts or piles into the ground, the attachment, may also be used in other applications by replacing the anvil or driving head with another form of too). Thus the driving bead m may be replaced with a rock or concrete breaking head.
  • Fig. 1 illustrates in side elevation a hydraulic attachment according to an embodiment of the invention supporting a post driver
  • Fig. 2 is an opposite side elevation of the post driver of Fig 1 ;
  • Fig. 3 is a partly cut-away sectional view of the mast assembly along line A-A of Fig. 1 (excluding the hydraulic extension rams);
  • Fig. 4 illustrates the attachment fitted to a skid-steer loader for driving a post into the ground; .
  • Fig. 5 illustrates an auger assembly for mounting to the attachment;
  • Fig. 6 illustrates a post gripper for mounting to the attachment
  • Fig. 7 illustrates the manner in which a chain puller is used with the attachment for removing a post from the ground.
  • an attachment 10 typically for small size earth-working machinery according to an embodiment of the invention, the attachment 10 comprising an elongated tele$co ⁇ ic mast assembly 11 comprising an outer elongated main hollow ma$t member 12 of square cross section, a second inner elongated hollow mast member 13 of complementary square cross section to and within the main mast member 12 and a third inner elongated hollow mast member 14 of complementary square cross section to and within the second inner hollow mast member 13.
  • the members 12; 13 and 14 may thus be extended telescopically relative to each other to extend the length of the mast assembly 11.
  • Slides 10' (shown in clotted outline in Figs. 1 and 2) are provided within the upper ends of the main hollow member 12 and second inner hollow member 13 and at the lower end and on the outside of the second inner hollow member 13 and third inner hollow member 14.
  • the slides 10' are provided on. each of the faces of the respective members so as to occupy the space between the respective members 12 and l3 and 13 and 14 to facilitate smooth movement of the members 12, 13 and 14 during telescopic extension and retraction of the post assembly 11.
  • a first hydraulic ram 15 which extends longitudinally of the mast assembly 11 is mounted at opposite ends via mounting brackets 16 and 17 to a lower part of the main hollow member 12 and an upper part of the second member 13 respectively on one side of the mast assembly 11.
  • a second hydraulic ram 18 which also extends longitudinally of the mast assembly 11 is provided on the opposite side of the mast assembly 11 to the ram 15 and is mounted at its opposite ends 19 and 20 respectively to a bracket at an upper part of the third member 14 and a bracket 21 which is attached at 21' such as by welding to an upper part of the second member 13, the bracket 21 being of a generally elongated U-shape configuration and extending from its attachment point 21' downwardly along and on the outside of the mast assembly 11 towards a lower end of the main member 12 so that the lower end of the bracket 21 to which the lower end of the ram 18 is attached is free.
  • Extension of the first ram 15 will extend the second and third members 13 and 14 together and simultaneously from the main member 12 whist extension of the second ram 18 will extend the third member 14 from the second member 13. Similarly retraction of the ram 18 will retract the third member 14 into the second member 13 and retraction of the ram 15 will retract the third member 14 and second member simultaneously into the main member 12.
  • a tool support in the form of a boom arm 22 Extending substantially at right angles from and rigidly fixed to the third member 14 is a tool support in the form of a boom arm 22.
  • the boom arm 22 carries in this case an impact hammer 23 which is mounted at its upper end to the arm 22 to depend therefrom so as to be substantially parallel to the mast assembly 11.
  • the hammer 23 comprises a pneumatically driven impact hammer provided with a weighted impact head or anvil 24. Pressurized air applied to the impact hammer 23 will cause reciprocation of the driving mechanism of the impact head 24 in a substantially vertical direction.
  • the impact hammer 23 comprises a rock breaker with the driving pin thereof being connected to the impact head 24.
  • the attachment 10 additionally includes a mounting assembly 25 on the side of the mast assembly 11 opposite the arm 22 and impact hammer 23 for mounting the attachment 10 to a suitable prime mover.
  • the mounting assembly 25 comprises a first plate 26 which is fixed rigidly to the main member 12 and extends laterally on opposite sides thereof and a second similar plate 27 which is pivotally mounted to the first plate 26 by a pivot pin 28 (shown in dotted outline) extending through aligned openings in the plates 26 and 27 whereby the plate 27 is mounted for rotation relative to the plate 26 about an axis extending normal to the longitudinal axis of the mast assembly 11.
  • the second plate 27 is retained to the first plate 26 by a pair of bolts 29 on opposite sides of the post assembly 11, the bolts 29 passing through arcuate slots 30 in the first plate 26 which allow for limited pivotal movement of the second plate 27 and bolts 29 relative to the first plate 26.
  • the bolts 29 at the same time maintain the plates 26 and 27 in substantial face-to-face contact.
  • a pair of hydraulic rams 31 are provided on opposite sides of the mast assembly
  • the second plate 27 also carries a coupling 34 to enable the attachment 10 to be mounted to a prime mover s ⁇ ch. as a stand-on mini skid-steer loader 35 (see Fig. 4).
  • a loader 35 provided with a complementary coupling 36 to the coupling 34 can engage and support the attachment 10, the coupling 36 being provided at the end of link arms 37 of the loader 35 which can be hydraulically elevated or towered.
  • the coupling 36 is provided with spring-loaded pins 38 to enable positive connection between the couplings 34 and 36 when arranged in a mating complementary relationship with each other, the pins 38 being adapted to locate in corresponding holes 38' in the coupling 34.
  • the impact hammer 23 is mounted to the arm 22 and the loader 35 is used to position the mast assembly Il adjacent to the post 39 and the ram and/or rams 15 and/or 18 are used to extend the mast assembly 11 and elevate the impact hammer 23 above the post 39.
  • the loader 35 can be manipulated towards and away from the post 39 so that the impact head 24 is substantially vertically above the post 39.
  • the hydraulic rams 31 are actuated if required to pivot the mast assembly 11 about a substantially horizontal axis as indicated by the arrows in Fig.
  • the mast assembly 10 Whilst in the embodiment shown in Fig. 4, the mast assembly 10 is raised above the ground, the loader 35 can lower the mast assembly 10 onto the ground so that it is supported during the post driving operation.
  • the lower end of (he mast member 12 may be provided with a foot 40 shown, in dotted outline in Fig. 4 which may comprise a flat plate for seating flat on the ground.
  • the foot 40 may be mounted for telescopic extension from the mast assembly 10. All hydraulic fluid for supplying the rams 15, 18 and 31 is supplied from the hydraulic supply of the loader 35 and under the control of hydraulic valves on the loader 35 controllable by the operator of the loader 35.
  • An auxiliary hydraulic supply however may be used to supply fluid to the rams.
  • the impact hammer 23 most suitably is detachable mounted to the arm 22 through a detachable coupling 41 which comprises complementary coupling parts on the arm 22 and hammer 23.
  • the hammer 23 may be removed and replaced with other forms of tool for example an hydraulically operated auger assembly 42 as shown in Fig, 5.
  • the hydraulic attachment 10 may also carry a drilling device used for deep hole drilling where a series of drill rods may be interconnected one above the other.
  • the hydraulic attachment 10 carrying such a drilling device may be initially extended for attachment of the drilling rods to the drilling motor and then lowered to urge the drill rods into the ground, At the retracted position of the hydraulic attachment 10, the drill rods may be disconnected from the drilling motor and the attachment 10 then extended to enable attachment of a further drill rods between the drilling motor and drill rod in. the ground and the procedure repeated until the required depth is achieved.
  • a post gripper 43 as shown in Fig. 6 may be attached to the arm 22 and lowered such that the jaws 44 of the gripper 43 can locate about the post 39 for gripping the post 39 (shown in dotted outline).
  • the member 12 is lowered by the loader 35 such that the foot 40 seats on the surface of the ground.
  • the foot 40 may be extended from the lower end of the member 12 to engage the ground.
  • the post gripper 43 may then, be actuated, such that the jaws 44 grip the post 39 after which the rams 18 and/or 15 may be extended to elevate the mast assembly 11 and arm 22 and extract the post 39.
  • the attachment. 10 may include one or more attachment points 45 to which a chain may be connected.
  • one attachment point 45 may be provided on top of the mast assembly 11 and another attachment point 45' at or adjacent the outer end of the arm 22.
  • the chain 46 is wrapped around the post 39 or tree and secured to one or both attachment points 45 (an/or 45').
  • the attachment 10 may then again be elevated by means of the rams 15 and/or 18 such as to the position shown in dotted outline in Fig. 7 to lift the arm 22 and the chain 46 and thus lift the post 39 (or other member) from the ground.
  • attachment 1,0 Whilst the attachment 1,0 is shown and described in association with a mini skid- steer loader, it may be used with other forms of machinery such as earth working machinery or attached to a vehicle. Furthermore whilst the embodiment of Fig. 4 is described as a post driver, a substitute head may be used in place of the impact applying head. 24 for other applications such as for jack hammer or rock breaking operations. Whilst the impact hammer 23 suitably comprises a pneumatically operated hammer, it may be any other form of impact applying tool such as a hydraulically operated hammer or tool.
  • Tt will also be appreciated, that may different forms of tool may be coupled to the arm 22 through the complementary coupling 41.
  • the coupling 41 may be of many different configurations which will permit secure but releasable attachment of a tool to the arm 22.
  • a bracing member 47 shown in dotted outline in Fig. 1 may be provided between and connected to the arm 22 and member 14, To accommodate movement of the member 14 relative to the member 12 and/or 13, the members 12 and 13 are provided with longitudinally extending aligned slots 48 and 49 through which the bracing member 47 passes (see Fig. 3) for attachment to the member 14.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

La présente invention concerne une fixation hydraulique (10) adaptée pour être montée sur une machinerie ou un véhicule tel qu’un chargeur à direction à glissement (35) et comportant un ensemble de mât télescopique (11) comprenant un premier élément de mât inférieur (12) et au moins un second élément de mât supérieur (13) en prise de façon télescopique avec l’élément de mât inférieur (12) et au moins un actionneur hydraulique (15) destiné à étendre ou rétracter l’élément de mât supérieur (13) par rapport à l’élément de mât inférieur (12). Des moyens de montage (34) sont prévus pour monter l’ensemble de mât (11) sur le chargeur (35) afin d’être supporté de manière sensiblement verticale durant l’utilisation et l’ensemble de mât (12) comprend des moyens de support (22) au niveau de son extrémité supérieure destinés à supporter ou transporter un outil tel qu’un outil d’application d’impact (23).
PCT/AU2006/000242 2005-02-28 2006-02-28 Fixation hydraulique for chargeurs a direction a glissement WO2006089368A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2006216124A AU2006216124A1 (en) 2005-02-28 2006-02-28 Hydraulic attachment for skid-steer loaders
US11/817,256 US20080190633A1 (en) 2005-02-28 2006-02-28 Hydraulic Attachment for Skid Steer Loaders

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AU2005900892 2005-02-28
AU2005900892A AU2005900892A0 (en) 2005-02-28 Post driver
AU2005901934 2005-04-19
AU2005901934A AU2005901934A0 (en) 2005-04-19 Hydraulic attachment for skid-steer loaders

Publications (1)

Publication Number Publication Date
WO2006089368A1 true WO2006089368A1 (fr) 2006-08-31

Family

ID=36926966

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2006/000242 WO2006089368A1 (fr) 2005-02-28 2006-02-28 Fixation hydraulique for chargeurs a direction a glissement

Country Status (2)

Country Link
US (1) US20080190633A1 (fr)
WO (1) WO2006089368A1 (fr)

Cited By (2)

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EP3645809A4 (fr) * 2017-06-29 2021-06-09 Tanner, Rusty Systèmes, dispositifs et/ou procédés pour enfoncer des poteaux
EP4335995A1 (fr) * 2022-09-08 2024-03-13 HEP Industrie (Hydraulique Equipements Pyrénées Industrie) Véhicule automobile comprenant au moins un bras de levage, un dispositif d' arrachage d'un poteau et un dispositif de forage hydraulique

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US9777459B2 (en) * 2012-07-31 2017-10-03 Solar Foundations Usa, Inc Attachment for a skid steer loader and method of use thereof
EP3507422B1 (fr) * 2016-08-30 2021-05-26 Clark Equipment Company Dispositif de levage de puissance
WO2019165230A1 (fr) 2018-02-23 2019-08-29 Clark Equipment Company Machine électrique dotée d'un instrument d'entraînement de poteau
US20210188374A1 (en) * 2019-12-24 2021-06-24 Brian J. Hollis Tractor Hydraulic Adapter and Process
DE102021124401A1 (de) 2020-09-21 2022-03-24 Michael Bauer Anbaugerät für Fahrzeuge zur Bodenverbesserung am Standort einer Pflanze

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Publication number Priority date Publication date Assignee Title
EP3645809A4 (fr) * 2017-06-29 2021-06-09 Tanner, Rusty Systèmes, dispositifs et/ou procédés pour enfoncer des poteaux
EP4335995A1 (fr) * 2022-09-08 2024-03-13 HEP Industrie (Hydraulique Equipements Pyrénées Industrie) Véhicule automobile comprenant au moins un bras de levage, un dispositif d' arrachage d'un poteau et un dispositif de forage hydraulique

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