EP1956165A2 - Enfonce-pieux - Google Patents

Enfonce-pieux Download PDF

Info

Publication number: EP1956165A2
Authority: EP; European Patent Office
Prior art keywords: mast; hammer; post driver; support frame; post
Prior art date: 2007-02-01
Legal status (The legal status 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 status listed.): Granted

Application number

EP08150985A

Other languages

German (de)

English (en)

Other versions

EP1956165A3 (fr

EP1956165B1 (fr

Inventor

Joseph Anthony Brennan

Michael Richard Brennan

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

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.)

2007-02-01

Filing date

2008-02-01

Publication date

2008-08-13

2008-02-01 Application filed by Individual filed Critical Individual

2008-08-13 Publication of EP1956165A2 publication Critical patent/EP1956165A2/fr

2010-03-17 Publication of EP1956165A3 publication Critical patent/EP1956165A3/fr

2014-04-16 Application granted granted Critical

2014-04-16 Publication of EP1956165B1 publication Critical patent/EP1956165B1/fr

Status Active legal-status Critical Current

2028-02-01 Anticipated expiration legal-status Critical

Links

Images

Classifications

- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/26—Devices for erecting or removing fences
- E04H17/261—Devices for erecting or removing fences for post and wire handling
- E04H17/263—Devices for erecting or removing fences for post and wire handling for erecting posts

Definitions

This invention relates to post drivers for driving posts into the ground.
the invention is particularly concerned with post drivers of the type including:
the present invention is directed towards providing an improved post driver of relatively simple and lightweight construction which is cheap to manufacture and is reliable in operation.
the present invention is characterised in that the movable pulley is rotatably mounted on a carriage, said carriage slidably engaging the mast, and the drive means is operably connected to the carriage for sliding the carriage on the mast.
the mast comprises an I-section beam having an inner flange and an outer flange which are substantially parallel and spaced-apart, said flanges being interconnected by an intermediate web which is substantially perpendicular to said flanges, the carriage being slidably mounted on the inner flange and the hammer being slidably mounted on the outer flange.
a pair of spaced-apart reinforcing plates are mounted at a lower end of the mast, said reinforcing plates being substantially parallel and extending rearwardly outwardly from the inner flange of the mast and being substantially perpendicular thereto.
the mast is mounted on the support frame by means of the reinforcing plates.
the drive means is a ram mounted between the reinforcing plates and the movable pulley.
the ram is mounted at a lower end of the reinforcing plates and extends upwardly between the reinforcing plates, said reinforcing plates and the inner flange of the mast forming a housing for reception of the ram.
a foot member is mounted at a lower end of the mast extending laterally outwardly therefrom.
the fixed pulley has a diameter greater than the depth of the mast and said fixed pulley is rotatably mounted on the mast such that a circumferential rope guide channel of the fixed pulley projects forwardly of the outer flange and rearwardly of the inner flange of the mast.
the drive means is a ram connected between the carriage and a ram mount on the mast below the carriage.
a pulley mount is provided at the top of the mast on which the fixed pulley is rotatably mounted.
the rope anchor point for the second end of the rope is provided on the pulley mount.
a post cap associated with the hammer is slidably mounted on the mast beneath the hammer.
the mast is pivotally mounted on the support frame.
a tilt ram is mounted between the support frame and the mast, said tilt ram being operable to pivot the mast relative to the support frame.
the support frame has means for attachment to an excavator vehicle hitch.
said attachment means is engagable with a boom of the excavator vehicle for movement in a plane perpendicular to the plane through which the mast moves under operation of the tilt ram.
the support frame has means for attachment to a three point linkage of a tractor vehicle.
the post driver 1 has a support frame 2 with an excavator hitch 3 for attachment to a digger vehicle.
a mast 4 is mounted on the support frame 2.
a hammer 5 is slidably mounted on the mast 4 for movement between a raised position at a top of the mast 4 and a lowered position, as shown in the drawings.
a hammer actuating assembly is operable for raising the hammer 5 on the mast 4 for release to drive a post.
the actuating assembly 8 includes a hammer lifting rope 10 having a first or outer end 11 attached by a pin 12 between a pair of upstanding lugs 14 on top of the hammer 5.
the rope 10 extends upwardly from the hammer 5 and around a fixed pulley 15 which is rotatably mounted by a pivot pin 16 on a pulley mount 17 fixed at a top of the mast 4.
the rope 10 then passes downwardly and around a movable pulley 18 and then back upwardly to an anchor point 19 on the pulley mount 17 at the top of the mast 14 to which the second or inner end 20 of the rope 10 is attached.
the movable pulley 18 has a pulley wheel (not shown) rotatably mounted by a spindle 22 between a pair of substantially parallel spaced-apart mounting plates 23. These mounting plates 23 are attached to a slide block 25 which slidably engages the mast 4. The slide block 25 forms a carriage for the movable pulley 18.
a hammer lifting ram 26 has a cylinder 27 with an outwardly extending piston rod 28.
a lower end of the cylinder 27 is attached by a lower mounting pin 29 at a bottom of the mast 4.
An upper end of the piston rod 28 is attached by an upper mounting pin 30 to the movable pulley 18. Retraction of the piston rod 28 into the cylinder 27 slides the movable pulley 18 downwardly on the mast 4, thus raising the hammer 5 on the opposite side of the mast 4. It will be noted that due to the engagement of the rope 10 around the movable pulley 18 movement of the hammer 5 will be twice the distance of the hammer lifting ram 26 stroke.
the mast 4 is of I-section having an inner flange 35 and an outer flange 36, said flanges 35, 36 being interconnected by an intermediate web 37.
the slide block 25, which forms a carriage for the movable pulley 18, is slidably mounted on the inner flange 35.
the slide block is C-shaped in section, wrapping around the inner flange 35 at each side of the inner flange 35.
the hammer 5 is slidably mounted on the outer flange 36, the hammer 5 having slide elements 38 for slidably engaging the outer flange 36.
a post cap 40 is also slidably mounted on the outer flange 36 beneath the hammer 5.
the fixed pulley 15 mounted at a top of the mast 4 has a diameter greater than the depth of the mast 4 and the fixed pulley 15 is rotatably mounted on the mast 4 such that a circumferential rope guide channel of the fixed pulley 15 projects forwardly of the outer flange 36 and rearwardly of the inner flange 35 of the mast 4, as is best seen in Fig. 2 .
the rope 10 extends substantially vertically downwardly at opposite sides of the mast 4 to engage the hammer 5 and movable pulley 18 to provide a smooth action when raising and lowering the hammer 5. Also only a single pulley 15 is required to feed the rope 10 around the top of the mast 4.
the mast 4 is pivotally mounted on the support frame 2 by means of a pivot pin 45 which engages between the support frame 2 and mounting brackets formed by reinforcing plates 46 which extend rearwardly from the mast 4.
a pair of spaced-apart reinforcing plates 46 are mounted at a lower end of the mast 4. These reinforcing plates 46 are substantially parallel and extend rearwardly outwardly from the inner flange 35 of the mast 4 and are substantially perpendicular thereto.
the ram 26 is mounted at a lower end of the reinforcing plates 46 by means of the lower mounting pin 29 and extends upwardly between the reinforcing plates 46.
the reinforcing plates 46 and the inner flange 35 of the mast 4 form a housing for reception of the ram 26.
a tilt ram 48 is mounted between the support frame 2 and the mast 4 and is operable to tilt the mast 4 relative to the support frame 2.
the tilt ram 48 connects to the support frame 2 by pivot pin 50 and to the mast 4 by pivot pin 51 on the reinforcing plates 46.
a foot member 60 is mounted at a lower end of the mast 4 extending laterally outwardly therefrom.
the foot member 60 is formed by a metal plate.
the excavator hitch 3 extends in a direction perpendicular to the tilt ram 48.
the excavator hitch 3 is engagable with a boom of an excavator vehicle in a plane perpendicular to the plane through which the mast 4 moves under operation of the tilt ram 48.
tilting of the mast 4 in two mutually perpendicular directions can be achieved by operation of the tilt ram 48 and by a ram on the boom of the excavator vehicle.
Hydraulic control levers 55 for operation of the rams 26, 48 are provided at a control station 56 mounted at one side of the mast 4.
the rams 26, 48 can conveniently be connected to an hydraulic power supply on the vehicle on which the post driver 1 is mounted for operation of the rams 26, 48.
the post driver 1 is positioned at a post with the cap 40 sitting on top of the post.
the hammer lifting ram 26 is operated by retracting the piston rod 28 into the cylinder 27 to pull down the movable pulley 18, thus raising the hammer 5 on the mast 4.
the hammer 5 drops downwardly striking the cap 40 and driving the post into the ground.
Figs. 3 and 4 show another post driver, indicated generally by the reference numeral 80. Parts similar to those described previously are assigned the same reference numerals.
the post driver 80 is adapted for mounting on the three point linkage of a tractor.
Lower mounting brackets 81 and upper mounting brackets 82 are provided for attachment to the three point linkage of a tractor.
a box section foot member 84 extends laterally outwardly at a lower end of the mast 4.
the lower mounting brackets 81 are attached at outer ends of the foot member 84, as shown in the drawings.
Forwardly extending arms 86 are provided at each outer end of the foot member 4.
the upper mounting brackets 82 are mounted on the reinforcing plates 46.
Bias means may be provided to aid ram 26 extension and reduce drag on the hammer 5 as it falls.
Such bias means may for example comprise a spring mounted between the movable pulley 18 and the pulley mount 17 at the top of the mast 4, said spring being tensioned as the ram 26 pulls down the movable pulley 18.
the bias might also possibly be provided by hydraulic pressure in the cylinder 27 to raise the piston rod 28.
the invention provides a post driver of relatively lightweight, compact, sturdy and cheap construction.
the sliding carriage protects the ram and prevents twisting of the movable pulley promoting a smooth action and fast ram operation.

Landscapes

Engineering & Computer Science (AREA)
Architecture (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Earth Drilling (AREA)
Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Forklifts And Lifting Vehicles (AREA)

EP20080150985 2007-02-01 2008-02-01 Enfonce-pieux Active EP1956165B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IES20070059 IES20070059A2 (en)	2007-02-01	2007-02-01	A post driver

Publications (3)

Publication Number	Publication Date
EP1956165A2 true EP1956165A2 (fr)	2008-08-13
EP1956165A3 EP1956165A3 (fr)	2010-03-17
EP1956165B1 EP1956165B1 (fr)	2014-04-16

Family

ID=39309983

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20080150985 Active EP1956165B1 (fr)	2007-02-01	2008-02-01	Enfonce-pieux

Country Status (2)

Country	Link
EP (1)	EP1956165B1 (fr)
IE (2)	IES20070059A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2010124386A1 (fr) *	2009-05-01	2010-11-04	Jay Gunnarson	Système d'avance télescopique
KR102719922B1 (ko) *	2024-01-12	2024-10-18	유현정	조명 조경 및 유지보수가 용이한 수동 승강식 태양광 야외조명등 장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2476390A (en)	1947-05-26	1949-07-19	John H Lucas	Post driver
US2659583A (en)	1950-01-16	1953-11-17	Ottawa Steel Products Inc	Drop hammer and carriage therefor
US6520268B1 (en)	2000-11-03	2003-02-18	James Ernest Fairbrother	Post driver beams
GB2400130A (en)	2003-03-29	2004-10-06	John William George Ellis	Post driver
GB2420367A (en)	2004-11-23	2006-05-24	Joseph Anthony Brennan	Post driver

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS60435U (ja) *	1983-06-11	1985-01-05	株式会社スズテック	杭打機
GB0503696D0 (en) *	2005-02-23	2005-03-30	Bryce John M	Post drivers

2007
- 2007-02-01 IE IES20070059 patent/IES20070059A2/en not_active IP Right Cessation
2008
- 2008-02-01 EP EP20080150985 patent/EP1956165B1/fr active Active
- 2008-02-01 IE IE20080076A patent/IE20080076A1/en unknown

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2476390A (en)	1947-05-26	1949-07-19	John H Lucas	Post driver
US2659583A (en)	1950-01-16	1953-11-17	Ottawa Steel Products Inc	Drop hammer and carriage therefor
US6520268B1 (en)	2000-11-03	2003-02-18	James Ernest Fairbrother	Post driver beams
GB2400130A (en)	2003-03-29	2004-10-06	John William George Ellis	Post driver
GB2420367A (en)	2004-11-23	2006-05-24	Joseph Anthony Brennan	Post driver

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Series I,II and III Kinghitter Postdrivers & accessories", KINGHITTER THE HEAVYWEIGHT IN POSTDRIVERS, pages 1 - 6, XP003021182

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2010124386A1 (fr) *	2009-05-01	2010-11-04	Jay Gunnarson	Système d'avance télescopique
US8764347B2 (en)	2009-05-01	2014-07-01	Northstar Energy Services Inc.	Telescoping leader system
EP2425062A4 (fr) *	2009-05-01	2015-04-08	Northstar Energy Services Inc	Système d'avance télescopique
KR102719922B1 (ko) *	2024-01-12	2024-10-18	유현정	조명 조경 및 유지보수가 용이한 수동 승강식 태양광 야외조명등 장치

Also Published As

Publication number	Publication date
IES20070059A2 (en)	2008-07-09
EP1956165A3 (fr)	2010-03-17
EP1956165B1 (fr)	2014-04-16
IE20080076A1 (en)	2008-12-10

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Publication	Publication Date	Title
US4586867A (en)	1986-05-06	Connection devices
EP0395305A2 (fr)	1990-10-31	Excavateur
EP1956165B1 (fr)	2014-04-16	Enfonce-pieux
IES20090656A2 (en)	2010-03-31	Post driver improvements
US20050220602A1 (en)	2005-10-06	Implement for driving posts
IE20130053A1 (en)	2015-04-22	Improved post drivers
EP1312491B1 (fr)	2006-06-14	Dispositif d'accouplement pour tracteur ou similaire
EP2182143A2 (fr)	2010-05-05	Enfonce-pieux
IES84923Y1 (en)	2008-07-09	A post driver
IE20070059U1 (en)	2008-07-09	A post driver
IE87010B1 (en)	2019-05-01	A post driver
GB2423549A (en)	2006-08-30	Adjustable post driver
WO2018153934A1 (fr)	2018-08-30	Dispositif pour une excavatrice
GB2441071A (en)	2008-02-20	Post driver with independent hydraulic legs
CN214194709U (zh)	2021-09-14	挖坑机
CN115485435B (en)	2026-05-05	Erection and lifting tool
JP3224435U (ja)	2019-12-19	杭の圧入及び引き抜き装置
WO2019034612A1 (fr)	2019-02-21	Dispositif pour une excavatrice
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