EP4019702A1 - Appareil de démolition vibrant - Google Patents

Appareil de démolition vibrant Download PDF

Info

Publication number: EP4019702A1
Authority: EP; European Patent Office
Prior art keywords: axis; vibrating; assembly; frame; along
Prior art date: 2020-12-24
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

EP21210580.3A

Other languages

German (de)

English (en)

Other versions

EP4019702B1 (fr

Inventor

Fabio Maria Gazza

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.)

Socomec Costruzioni Meccaniche SpA Soc

Original Assignee

Socomec Costruzioni Meccaniche SpA Soc

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.)

2020-12-24

Filing date

2021-11-25

Publication date

2022-06-29

2021-11-25 Application filed by Socomec Costruzioni Meccaniche SpA Soc filed Critical Socomec Costruzioni Meccaniche SpA Soc

2022-06-29 Publication of EP4019702A1 publication Critical patent/EP4019702A1/fr

2023-07-19 Application granted granted Critical

2023-07-19 Publication of EP4019702B1 publication Critical patent/EP4019702B1/fr

Status Active legal-status Critical Current

2041-11-25 Anticipated expiration legal-status Critical

Images

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
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
- E02F3/402—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with means for facilitating the loading thereof, e.g. conveyors
- E02F3/405—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with means for facilitating the loading thereof, e.g. conveyors using vibrating means
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
- E02F5/32—Rippers
- E02F5/326—Rippers oscillating or vibrating
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/08—Wrecking of buildings
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit

Definitions

the present invention relates to a vibrating demolition apparatus.
Vibrating apparatuses are known, called vibrating "rippers", which are mainly used for the demolition of materials, and in use they are coupled to the end of the work arm of an excavator for executing, for example, earth moving operations on the ground.
These vibrating apparatuses are substantially constituted by a frame that can be associated with the arm of the excavator and which supports a vibrating assembly adapted to generate unidirectional vibrations along a work axis and a work tool, of the type of a tooth, which is associated with the vibrating assembly and extends along the work axis.
This tool by virtue of the vibrations transmitted by the vibrating assembly, is designed to progressively crumble the material to be demolished.
the vibrating assembly comprises a box-like body inside which is accommodated at least one pair of counter-rotating eccentric masses, which are adapted to generate unidirectional vibrations of predefined amplitude along the work axis.
the vibrating assembly is associated with the frame via a pair of linkages that are parallel to each other, each of which has one end articulated to the frame and the opposite end articulated to the vibrating assembly, so as to define an articulated parallelogram.
Means for damping the vibrations are also interposed between the frame and the vibrating assembly, so as to reduce the transmission of unwanted stresses to the arm of the excavator.
the coupling of the vibrating assembly to the frame using articulated linkages determines a movement path of the assembly itself and of the tool associated with it along a circular arc.
the path of the tool has a component that is parallel to the work axis (generally vertical) and a component that is transverse to the work axis (generally horizontal).
the motion component of the tool that is transverse to the work axis can determine the risk of the tool becoming trapped in the material to be demolished, thus resulting in the transmission of bothersome vibrations to the arm of the excavator.
the aim of the present invention is to eliminate the above mentioned drawbacks of the prior art, by providing a vibrating demolition apparatus that makes it possible to reduce, or even eliminate, the motion components transmitted to the work tool transversely to the work axis, so as to prevent the work tool from becoming trapped in the material to be demolished and prevent unwanted stresses from being transmitted to the arm of the excavator.
an object of the present invention is to enable a safe and effective use of the apparatus independently of the hardness of the materials on which to work.
Another object of the present invention is for it to be capable of being incorporated in existing apparatuses with some simple structural modifications.
Last but not least, another object of the present invention is to provide a simple structure which is easy and practical to implement, safe in use and effective in operation, and of low cost.
the reference numeral 1 generally designates a vibrating demolition apparatus.
the apparatus 1 comprises a frame 2 which can be associated with the movable arm of an excavator (not shown), a unidirectional vibrating assembly 3 adapted to impart an alternating translational motion along a work axis L, related retention means 4 interposed between the frame 2 and the vibrating assembly 3, and at least one work tool 5 which is associated with the vibrating assembly 3 and protrudes from the frame 2 along the work axis L.
the frame 2 is substantially constituted by a box-like shell provided with an opening in the lower face through which the tool 5 is inserted so as to pass through it, and a pair of mutually opposite side walls 6.
anchoring means 7 which can be associated with the arm of the excavator according to methods known to the person skilled in the art.
the vibrating assembly 3 not described in detail as it is conventional, comprises a box-like body inside which at least two counter-rotating eccentric masses are accommodated which are supported by respective shafts associated with means of rotary actuation.
the vibrating assembly 3 is adapted to generate unidirectional vibrations along the work axis L, so as to impart an alternating translational motion along this axis to the tool 5 connected to the vibrating assembly.
the vibrating assembly 3 is accommodated so that it can move inside the frame 2.
vibration damping elements 13 are interposed between the frame 2 and the vibrating assembly 3.
these vibration damping elements 13 are interposed between the side walls 6 of the frame 2 and the box-like body of the vibrating assembly 3.
the number and the arrangement of the vibration damping elements 13 can vary on the basis of the specific implementation.
the tool 5 is of the type of a conventional demolition tooth and extends substantially along the work axis L.
the tool 5 protrudes below the frame 2 with its tip directed downward.
the apparatus 1 is generally arranged with the work axis L substantially vertical.
the retention means 4 comprise at least one first connecting assembly 8 adapted to allow an alternating translational motion in a direction that is substantially parallel to the work axis L and to hinder translations along directions that are incident to that work axis.
the first connecting assembly 8 allows a single degree of freedom in translation along the work axis L, thus preventing translations along directions that are incident to the work axis, except for the usual machining tolerances and tolerances in the assembly of the components.
the first connecting assembly 8 comprises at least one sliding guide 9 arranged substantially parallel to the work axis L and a movable element 10 associated with alternating sliding along this guide.
the first connecting assembly 8 comprises two sliding guides 9, arranged mutually spaced apart and parallel, and the movable element 10 is associated with alternating sliding between these.
the movable element 10 can be constituted by at least one slider 11 which is adapted to slide on the sliding guide(s) 9 or by at least one idle 12 wheel which is adapted to roll on the sliding guide(s) 9.
the vibrating assembly 3 is supported by the frame 2 via the retention means 4.
the retention means 4 act on the vibrating assembly 3 at a first axis A1 and at a second axis A2 which are substantially parallel to each other and are substantially perpendicular to the work axis L.
the work axis L, the first axis A1 and the second axis A2 lie on a single plane which is substantially vertical during the use of the apparatus 1.
first axis A1 is arranged above the second axis A2.
the at least one first connecting assembly 8 is arranged along either or both of the first axis A1 and the second axis A2.
the apparatus 1 comprises at least one first pivot 14 arranged along the first axis A1 and associated with either the frame 2 or the vibrating assembly 3.
the first pivot 14 can protrude from opposite sides of the vibrating assembly 3 for connection with the retention means 4.
the apparatus 1 comprises at least one second pivot 15 arranged along the second axis A2 and associated with either the frame 2 or the vibrating assembly 3.
the second pivot 15 can protrude from opposite sides of the vibrating assembly 3 for connection with the retention means 4.
first connecting assemblies 8 interposed between the frame 2 and the vibrating assembly 3 along either or both of the first axis A1 and the second axis A2 on opposite sides of the vibrating assembly.
each first connecting assembly 8 has the movable element 10 associated with the corresponding first pivot 14 or second pivot 15 and the sliding guides 9 associated with the side walls 6 of the frame 2.
the sliding guides 9 are accommodated at a slot 21 defined in the corresponding side wall 6 and the movable element 10 is arranged to protrude through this slot between the sliding guides 9.
each movable element 10 comprises a supporting block 16 which bears on opposite sides two skids 11, each one facing toward a respective sliding guide 9.
the block 16 is provided with a hole for allowing the insertion of the corresponding pivot 14 or 15 and is associated with a cover 17 for locking that pivot.
each movable element 10 comprises an idle wheel 12 associated with the corresponding first pivot 14 or the second pivot 15.
connection 8 of the type described above only at one of the axes A1 or A2 the retention means 4 can have a second connecting assembly 19 provided with an articulation linkage 20 interposed between the frame 2 and the vibrating assembly 3.
the linkage 20 has a first end articulated to the vibrating assembly 3 at the other one of the axes A1 and A2, i.e. the axis along which there are no first connecting assemblies 8, by way of the respective first or second pivot 14 or 15.
the linkage 20 has a second end, opposite to the first end, which is pivoted to the frame 2 about a third axis A3 substantially parallel to the axes A1 and A2 at a third pivot 22.
the apparatus 1 has retention means 4 constituted by four first connecting assemblies 8 of the type described above, of which two are arranged along the first axis A1 and two are arranged along the second axis A2 on opposite sides of the vibrating assembly.
first pivot and the second pivot 14 and 15 are protruding on opposite sides of the vibrating assembly for connection to respective skids 11.
first connecting assemblies 8 are provided with skids 11, but the possibility is not ruled out that as an alternative they could be provided with idle wheels 12.
the apparatus 1 has retention means 4 which are constituted by two first connecting assemblies 8 arranged along the second axis A2 on opposite sides of the vibrating assembly 3 and a second connecting assembly 19 with the linkage 20 pivoted at the first axis A1.
first connecting assemblies 8 are provided with skids 11, but the possibility is not ruled out that as an alternative they could be provided with idle wheels 12.
the second pivot 15 protrudes from opposite sides of the vibrating assembly 3 for connection to respective skids 11.
the linkage 20 is pivoted to the vibrating assembly 3 at the first pivot 14 and to the frame 2 at the third pivot 22.
the apparatus 1 has retention means 4 which are constituted by two first connecting assemblies 8 arranged along the first axis A1 on opposite sides of the vibrating assembly 3 and a second connecting assembly 19 with the linkage 20 pivoted at the second axis A2.
the first connecting assemblies 8 are provided with skids 11.
the first pivot 14 protrudes from opposite sides of the vibrating assembly 3 for connection to respective skids 11.
the linkage 20 is pivoted to the vibrating assembly 3 at the second pivot 15 and to the frame 2 at the third pivot 22.
Figures 13-14 show a variation of the third embodiment in which the first connecting assemblies 8 are provided with respective idle wheels 12 fitted over the ends of the first pivot 14, as an alternative to the above mentioned skids 11.
the invention as described achieves the intended aim and objects and, in particular, attention is drawn to the fact that the apparatus according to the invention makes it possible to reduce, or even eliminate, the unwanted stresses transmitted to the arm of the excavator, making the work of the operators safer and easier, independently of the hardness of the material to be demolished.
the invention can be incorporated both in apparatuses of new manufacture and in apparatuses that are already in use, thus optimizing their performance.

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Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Architecture (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
General Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Crushing And Grinding (AREA)
Shovels (AREA)
Working Measures On Existing Buildindgs (AREA)

EP21210580.3A 2020-12-24 2021-11-25 Appareil de démolition vibrant Active EP4019702B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT202000032363		2020-12-24

Publications (2)

Publication Number	Publication Date
EP4019702A1 true EP4019702A1 (fr)	2022-06-29
EP4019702B1 EP4019702B1 (fr)	2023-07-19

Family

ID=74875173

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP21210580.3A Active EP4019702B1 (fr)	2020-12-24	2021-11-25	Appareil de démolition vibrant

Country Status (3)

Country	Link
EP (1)	EP4019702B1 (fr)
KR (1)	KR20220092430A (fr)
ES (1)	ES2961702T3 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4698925A (en) *	1986-01-22	1987-10-13	Jones Harry A	Soil reclaiming implement
WO1999046451A1 (fr) *	1998-03-10	1999-09-16	Odin Ireland	Godet d'excavation a ensemble actionneur a percussion

2021
- 2021-11-25 EP EP21210580.3A patent/EP4019702B1/fr active Active
- 2021-11-25 ES ES21210580T patent/ES2961702T3/es active Active
- 2021-12-23 KR KR1020210186206A patent/KR20220092430A/ko active Pending

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4698925A (en) *	1986-01-22	1987-10-13	Jones Harry A	Soil reclaiming implement
WO1999046451A1 (fr) *	1998-03-10	1999-09-16	Odin Ireland	Godet d'excavation a ensemble actionneur a percussion

Also Published As

Publication number	Publication date
EP4019702B1 (fr)	2023-07-19
ES2961702T3 (es)	2024-03-13
KR20220092430A (ko)	2022-07-01

Publication	Publication Date	Title
JPH0143090B2 (fr)	1989-09-19
DE102007000093A1 (de)	2008-08-21	Handwerkzeuggerät
WO1998021014A1 (fr)	1998-05-22	Outil pouvant etre guide dans une poignee
US7971655B2 (en)	2011-07-05	Hand-held power tool with a vibration-damped rounded handle
SE458693B (sv)	1989-04-24	Anordning foer loesbar sammankoppling av ett arbetsredskap och en graevmaskins manoeverarm
EP1161325A1 (fr)	2001-12-12	Rasoir electrique
EP4019702B1 (fr)	2023-07-19	Appareil de démolition vibrant
EP0837756B1 (fr)	2001-10-17	Amortissement des vibrations d'outils mecaniques
IT8320481A1 (it)	1984-10-07	Dispositivo di attacco ad azione rapida per utensili di lavoro
EP2746465B1 (fr)	2016-11-09	Dispositif de fixation d'une vitre inférieure pour cabine d'engin de travaux publics
US4453772A (en)	1984-06-12	Modular impact ripper assembly
JPS6397731A (ja)	1988-04-28	地中に溝を掘るための掘削機
JPH0714563B2 (ja)	1995-02-22	鉄骨カッター
AU561758B2 (en)	1987-05-14	Earth-working machine
EP3552469B1 (fr)	2023-09-13	Dispositif d'isolation du broutement dans des engins agricoles
EP3786370B1 (fr)	2023-07-12	Appareil vibrant pour excavation et/ou démolition
CN210231310U (zh)	2020-04-03	一种便于清洗的钣金落料装置
JPWO2004069444A1 (ja)	2006-05-25	板材曲げ加工機
CN217283973U (zh)	2022-08-26	一种深松铲防过载保护装置
GB1593452A (en)	1981-07-15	Mechanical shovel bucket
JP2878253B1 (ja)	1999-04-05	覆土機
RU2298901C1 (ru)	2007-05-20	Глубокорыхлитель
GB2103523A (en)	1983-02-23	Supporting and connecting element for vibration or percussion equipment
EP1321021A1 (fr)	2003-06-25	Unité déchiqueteuse insérable et enlevable pour tondeuse à gazon
WO2024033075A1 (fr)	2024-02-15	Machine-outil dotée d'un élément de protection

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