EP0499682A1 - Godet pour engin de terrassement - Google Patents

Godet pour engin de terrassement Download PDF

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Publication number
EP0499682A1
EP0499682A1 EP91111259A EP91111259A EP0499682A1 EP 0499682 A1 EP0499682 A1 EP 0499682A1 EP 91111259 A EP91111259 A EP 91111259A EP 91111259 A EP91111259 A EP 91111259A EP 0499682 A1 EP0499682 A1 EP 0499682A1
Authority
EP
European Patent Office
Prior art keywords
grate
bucket according
blade
side cheeks
vibration
Prior art date
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
EP91111259A
Other languages
German (de)
English (en)
Other versions
EP0499682B1 (fr
Inventor
Helmut Wack
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.)
Caterpillar Vibra Ram GmbH and Co KG
Original Assignee
Wack Helmut
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 Wack Helmut filed Critical Wack Helmut
Publication of EP0499682A1 publication Critical patent/EP0499682A1/fr
Application granted granted Critical
Publication of EP0499682B1 publication Critical patent/EP0499682B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E02F3/28—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
    • 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
    • E02F3/407—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with ejecting or other unloading device
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F7/00—Equipment for conveying or separating excavated material
    • E02F7/06—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S37/00—Excavating
    • Y10S37/904—Vibration means for excavating tool

Definitions

  • the invention relates to a bucket for an exercise machine, e.g. Excavators, wheel loaders or the like according to the preamble of patent claim 1.
  • Buckets of this type are designed as attachments for excavators, wheel loaders or corresponding work equipment and have two steel side cheeks which are arranged essentially parallel to one another at a mutual spacing.
  • a blade base which is also made of steel, extends between the side panels and connects the side panels to one another, so that a vessel-like blade which is open at least on one side is formed.
  • a wedge-shaped receiving bar is arranged on the lower edge of the bucket bottom, which is equipped with teeth, which should facilitate the penetration of the bucket into the ground or the material to be picked up.
  • Buckets of this type are also known as loading buckets.
  • folding buckets which consist of two buckets interacting in the form of jaws, the two buckets basically having the same structure as a loading bucket. It should be noted here that the invention relates to both types of blades.
  • the bucket is attached to the free end of an excavator arm and connected to the excavator hydraulic circuit so that it is pivotable and adjustable relative to the excavator boom and arm.
  • the shovel is usually used to dig trenches and pits, to move and pick up spilled material, as well as to load vehicles with loose material or to transfer material.
  • earthmoving devices such as excavators, wheel loaders or the like are usually used, which are provided with a loading shovel of the type mentioned.
  • the demolition material picked up in this way consists not only of the relatively large fragments still to be crushed, but also of concrete pieces that are already of such a small size that further crushing in the crushing plant is not necessary and may not be possible. If these small-sized concrete pieces are nevertheless fed to the crushing plant, the remaining capacity of the crushing plant for the large fragments to be crushed is reduced. In this way, the performance of the crushing plant, i.e. the amount of shredded material per unit of time is reduced. Material of particularly small grain size is even extremely undesirable in crushing plants, since it leads to increased wear on the crushing tools and also to malfunctions.
  • a rotating drum i.e. a sieve drum.
  • the drum has a closable opening through which the material to be sorted can be received. After the opening has been closed, the drum is set in vibration, whereby the material contained in it is pre-sorted or screened with constant circulation.
  • a rotary drum is not only very complex in terms of construction and therefore expensive, the sorting of the material is also time-consuming and thus cost-intensive. Also, the drum cannot be used for other purposes, for example for loading the "sieve residue".
  • the invention has for its object to develop a shovel for earthmoving equipment such that a quick and good sorting or separation of the material in the shovel is reliably achieved.
  • the blade base consists, at least in sections, of a grate which is mounted on the blade and which can be set in vibration relative to the blade. Due to the grid-like grate, a pre-sorting or screening of the material in the bucket can be achieved. Clogging of the grate by the vibration movements that keep the material in constant motion is effectively avoided. This can good and quick sorting of small fragments to be sorted out and coarse demolition material can be achieved.
  • the shovel according to the invention can also be used without vibrating the grid-like grate, whereby its mode of operation corresponds to that of a conventional loading or folding shovel without or with only a slight sorting effect. In this way, the scoop according to the invention can be used in a variety of ways and can therefore be used inexpensively.
  • the entire blade base is formed by the grid-like grate, a very rapid separation of the material to be sorted out can be achieved, wherein in particular it is avoided that the material in the blade builds up in some areas and the sieving effect is reduced. It is advantageous to store the grid-like grate on the side cheeks, since the side cheeks are rigid and have a relatively high stability, so that the mobility of the grid-like grate is not impaired by its storage.
  • loading and folding buckets have a strip of wedge-shaped cross-section on the receiving edge of the bucket bottom, which is usually still covered with wear-resistant teeth.
  • the grid-like grate is floating, on the one hand a vibration movement is possible, while the grate on the other hand to the overall streak the shovel contributes.
  • Storage using tried and tested vibration dampers, for example vibrating metals, is inexpensive to implement and moreover enables the grate-like grate to be moved with little noise, which is advantageous in terms of conditions at the workplace and in terms of environmental protection.
  • the vibration is also not transmitted to the excavator arm via the attachment points of the bucket. If the grate-like grate is supported on each side cheek by two vibration dampers, tilting of the grate can be largely avoided and a high sorting effect can thus be ensured.
  • a hydraulic motor is used to generate the oscillatory movement, it can be easily connected to the hydraulic device of the earth moving device, e.g. of the excavator, wheel loader or the like. Are connected so that no additional drive unit is necessary.
  • An eccentric gearbox is structurally relatively simple and not susceptible to faults, which is very advantageous given the difficult working conditions that are usually present on construction sites.
  • a vibration-stable and favorable in terms of the sorting effect results from the fact that the hydraulic motor and the transmission is arranged approximately in the middle of the bucket bottom and approximately in the middle between the side cheeks, which is further optimized in that the Hydraulic motor and the transmission is arranged approximately in the middle between the vibration dampers on the side cheeks.
  • a linear vibration movement or the combination of a circular and a linear vibration movement is also possible.
  • the vibration movement can either run essentially parallel to the plane of the side cheeks or perpendicular to it, movement parallel to the plane of the side cheeks having the advantage that the bearing forces, when the grid-like grate is mounted on the side cheeks, in the plane of the side cheeks act, and unfavorable lateral forces can be kept low.
  • the lattice-like grate according to claim 18 consists of crescent-shaped disc segments which are arranged next to one another essentially parallel to the plane of the side cheeks, high stability of the lattice-like grate can be achieved. Even an impact of the back of the blade against, for example, a concrete part to be demolished does not lead to a deformation of the grid-like grate, since the forces are essentially introduced into the disc plane of the crescent-shaped disc segments and can therefore be derived in a simple manner.
  • an earthmoving device in the form of an excavator 10 has a chassis 13 on which the body is rotatably mounted.
  • the structure comprises a driver's cab 11 and a motor 12, which serves both to move the excavator 10 and to move the attachments attached to the excavator.
  • a boom 14 is mounted on the structure, to which in turn the excavator arm 15 is connected.
  • Boom 14 and stick 15 are movable both relative to one another and relative to the excavator structure by means of known hydraulic actuators.
  • a shovel 20 is mounted, which can be pivoted relative to the excavator arm 15 in the plane of the drawing according to FIG. 1 by means of a piston-cylinder unit 16.
  • FIGS. 2 to 4 show an enlarged representation of the blade 20.
  • the blade 20 has two side cheeks 21 which are connected at the top by means of crossbeams 21a and stiffened by means of these and by means of a cutting knife 21b at the bottom are.
  • connecting straps 20a are fastened, by means of which the shovel can be attached to the free end of the excavator arm 15.
  • Teeth 29 are mounted on the cutting knife 21b, which facilitate the penetration of the blade into the material to be picked up.
  • the side walls 21 as well as the crossbeams 21a and the cutting knife form a rigid, rigid frame.
  • a grid-like grate 23 is used, which forms the scoop bottom.
  • the lattice-like grate 23 consists of a plurality of sickle-shaped disc segments 22 which are arranged next to one another essentially parallel to the plane of the side cheeks 21 and are held together at a distance by means of a plurality of cross bars 27 and 28.
  • the cutting knife 21b has a wedge-shaped cross section.
  • the upper edge 21c lying inside the blade is higher than the upper side 22a of the disk segments 22 in this area, so that they are not loaded from the front by the working pressure of the blade when the demolition material is picked up.
  • the grid-like grate 23 is mounted on the side cheeks 21 via vibration dampers 25, two vibration dampers being provided on each side cheek. Such storage of the grid-like grate 23 enables its movement relative to the rigid frame formed by the side cheeks 21 and the cross members 21a and the cutting knife.
  • a hydraulic motor 24 is located on the grid-like grate 23 arranged, which is connected via pressure medium lines 24a to the hydraulic circuit of the excavator, as shown in Figure 1.
  • a gear 26 is interposed, which is designed as an eccentric gear, as shown in particular in Figure 2.
  • the eccentric rotates in the drawing plane according to FIG. 2, whereby the grid-like grate 23 is excited to a circular vibration movement in the drawing plane according to FIG. 2 or in a plane parallel to it.
  • Such a circular vibration movement runs essentially parallel to the plane of the side cheeks 21. This vibration movement keeps the material in the blade 20 in constant motion and effectively sorts it.
  • the vibration frequency should be about 2000 min ⁇ 1, but depending on the type and nature of the material to be sorted, good results can also be achieved with other vibration frequencies.
  • the hydraulic motor 24 and the transmission 26 sit approximately in the middle between the bearings or the vibration dampers 25, via which the grate is connected to the side cheeks 21.
  • the axes of the bearings or of the vibration dampers on the one hand and of the hydraulic motor 25 or of the gear 26 on the other hand are only slightly offset, so that an overall vibration-stable design results.
  • a linear vibration movement can also be provided.
  • the eccentric gear shown is a gear of a different design necessary, which converts the rotary movement of the hydraulic motor into a linear vibration movement.
  • the invention is not limited to a vibration running parallel to the plane of the side walls, but it is also possible to excite the grid-like grate essentially perpendicular to the plane of the side walls, ie in the plane of the drawing in FIGS. 3 and 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Shovels (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Revetment (AREA)
  • Soil Working Implements (AREA)
  • Component Parts Of Construction Machinery (AREA)
EP91111259A 1991-02-18 1991-07-06 Godet pour engin de terrassement Expired - Lifetime EP0499682B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4104950A DE4104950A1 (de) 1991-02-18 1991-02-18 Schaufel fuer erdbewegungsgeraete
DE4104950 1991-02-18
DE9202321U DE9202321U1 (de) 1991-02-18 1992-02-22 Schaufel für Erdbewegungsgeräte

Publications (2)

Publication Number Publication Date
EP0499682A1 true EP0499682A1 (fr) 1992-08-26
EP0499682B1 EP0499682B1 (fr) 1995-04-19

Family

ID=25901127

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91111259A Expired - Lifetime EP0499682B1 (fr) 1991-02-18 1991-07-06 Godet pour engin de terrassement

Country Status (8)

Country Link
US (1) US5172498A (fr)
EP (1) EP0499682B1 (fr)
JP (1) JP2956798B2 (fr)
AT (1) ATE121479T1 (fr)
CA (1) CA2048551A1 (fr)
DE (4) DE9116810U1 (fr)
DK (1) DK0499682T3 (fr)
ES (1) ES2072486T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9301667A (nl) * 1993-09-28 1995-04-18 Gerardus Cornelis Petrus Maria Schudbak voor het schonen van materialen voorzien van beweegbare spijlvormige trilelementen (puin, stenen, etc.), monteerbaar op iedere (grondverzet-) machine.
EP1002904A1 (fr) * 1997-04-12 2000-05-24 Dappen, Peter Godet d'excavatrice
ITMO20130094A1 (it) * 2013-04-12 2014-10-13 Vibbra S R L Benna ad effetto vagliante.

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5398430A (en) * 1991-05-20 1995-03-21 Scott; Thomas M. Earth moving and compacting rig
SE464094B (sv) * 1990-03-06 1991-03-04 Clifford Modig Skopaggregat med saallningsfunktion
RU2002908C1 (ru) * 1991-06-19 1993-11-15 Институт горного дела СО РАН Экскаваторный ковш активного действи
FI749U1 (fi) * 1993-03-04 1993-06-09 Ideachip Oy Siktkross foer jordmaterial
US5493796A (en) * 1994-07-25 1996-02-27 Ballew; Raymond E. Pipeline padding apparatus
USD409629S (en) * 1997-02-03 1999-05-11 Kabushiki Kaisha Kobe Seiko Sho Excavator
USD406152S (en) * 1997-05-15 1999-02-23 Kabushiki Kaisha Kobe Seiko Sho Excavator
US6135290A (en) * 1998-06-05 2000-10-24 Rockland Manufacturing Company Sifter attachment for excavating machines and the like
GB9908699D0 (en) * 1999-04-17 1999-06-09 Leyland Rodney J Segregator bucket
BR0109212A (pt) 2000-03-14 2005-02-09 Htb Llc Aparelho separador de material e método todo para utilização do mesmo
US6581308B1 (en) 2000-07-25 2003-06-24 Caterpillar Inc. High capacity bucket arrangement
US6662681B2 (en) * 2002-01-14 2003-12-16 Kent Demolition, Inc. Connector assembly for mounting an implement to a prime mover
AUPS270802A0 (en) * 2002-05-31 2002-06-20 Turnbull, Sam Dominic Seaton A screen/mixer
US6757992B1 (en) 2003-01-14 2004-07-06 New Holland North America, Inc. Skid steer loader bucket shaker
FI113846B (fi) * 2003-04-09 2004-06-30 Yhteisviejaet Tamex Oy Menetelmä maa-aineksen seulomiseksi ja seulaväline
JP5362074B2 (ja) * 2012-05-29 2013-12-11 株式会社小松製作所 建設機械の掘削バケット
FI123997B (fi) * 2012-10-01 2014-01-31 Pohmako Ky Kauha ja sen käyttö
US20140137444A1 (en) * 2012-11-16 2014-05-22 Caterpillar Inc. Loader bucket with counterweight
USD772952S1 (en) * 2014-08-05 2016-11-29 Caterpillar Inc. Excavator
JP6604624B2 (ja) * 2015-05-11 2019-11-13 キャタピラー エス エー アール エル 作業機械の自動振動装置

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
WO1990012929A1 (fr) * 1989-04-21 1990-11-01 Tord Jonsson Systeme pour une pelle mecanique trieuse

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US683775A (en) * 1900-12-15 1901-10-01 Millard F Kirkpatrick Dipper for steam-shovels.
AT210661B (de) * 1959-02-23 1960-08-25 Kuxmann & Co Komm Ges A Akt Hackfruchterntemaschine mit hinter dem Schar angeordneten Schwingsiebrosten
US3072257A (en) * 1959-08-21 1963-01-08 Lester W Hockenberry Combined gravel collecting and screening mechanism
US3003265A (en) * 1959-12-30 1961-10-10 Lutjens Herman Bucket device
AT218299B (de) * 1960-09-29 1961-11-27 Steyr Daimler Puch Ag Vorratsroder für Hackfrüchte
US3461968A (en) * 1966-04-28 1969-08-19 Rca Corp Screening loader
US3395798A (en) * 1968-02-20 1968-08-06 Walter A. Erickson Materials separating loader bucket
GB1291555A (en) * 1970-01-15 1972-10-04 Econofuel Ltd Apparatus for and method of screening free running material
DE3101606A1 (de) * 1981-01-20 1982-08-19 Raiffeisenbank Winzer-Hengersberg eG, 8351 Winzer Vorrichtung zum laden von druckempfindlichem gut voneiner halde, insbesondere von zuckenrueben auf ein transportfahrzeug zum abtransport vom feld
SE454096B (sv) * 1984-10-18 1988-03-28 Prodec Inter Ab Roterbar separationskorg med kopplingsorgan till redskapsberare

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
WO1990012929A1 (fr) * 1989-04-21 1990-11-01 Tord Jonsson Systeme pour une pelle mecanique trieuse

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9301667A (nl) * 1993-09-28 1995-04-18 Gerardus Cornelis Petrus Maria Schudbak voor het schonen van materialen voorzien van beweegbare spijlvormige trilelementen (puin, stenen, etc.), monteerbaar op iedere (grondverzet-) machine.
EP1002904A1 (fr) * 1997-04-12 2000-05-24 Dappen, Peter Godet d'excavatrice
ITMO20130094A1 (it) * 2013-04-12 2014-10-13 Vibbra S R L Benna ad effetto vagliante.

Also Published As

Publication number Publication date
DK0499682T3 (da) 1995-09-04
DE9116810U1 (de) 1993-12-16
JPH04269217A (ja) 1992-09-25
US5172498A (en) 1992-12-22
DE59105270D1 (de) 1995-05-24
ES2072486T3 (es) 1995-07-16
CA2048551A1 (fr) 1992-08-19
ATE121479T1 (de) 1995-05-15
JP2956798B2 (ja) 1999-10-04
DE4104950A1 (de) 1992-08-20
EP0499682B1 (fr) 1995-04-19
DE9202321U1 (de) 1993-03-25

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