EP1002904B1 - Löffelbagger - Google Patents

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Info

Publication number: EP1002904B1
Authority: EP; European Patent Office
Prior art keywords: axis; screen bars; excavator according; shaft; bucket excavator
Prior art date: 1997-04-12
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.): Expired - Lifetime

Application number

EP98108482A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP1002904A1 (de

Inventor

Peter Dappen

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.)

1997-04-12

Filing date

1998-05-09

Publication date

2002-08-07

1997-04-12 Priority to DE19715358A priority Critical patent/DE19715358C2/de

1998-05-09 Priority to AT98108482T priority patent/ATE221942T1/de

1998-05-09 Priority to DE59805124T priority patent/DE59805124D1/de

1998-05-09 Priority to ES98108482T priority patent/ES2182171T3/es

1998-05-09 Priority to PT98108482T priority patent/PT1002904E/pt

1998-05-09 Application filed by Individual filed Critical Individual

1998-05-09 Priority to DK98108482T priority patent/DK1002904T3/da

1998-05-09 Priority to EP98108482A priority patent/EP1002904B1/de

2000-05-24 Publication of EP1002904A1 publication Critical patent/EP1002904A1/de

2002-08-07 Application granted granted Critical

2002-08-07 Publication of EP1002904B1 publication Critical patent/EP1002904B1/de

2018-05-09 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

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
- E02F3/28—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

Definitions

the invention relates to a backhoe, its backhoe a slotted screen with several spaced apart has lying sieve bars.
every second sieve bars combined into a group which is an elongated, slightly kinked once Shape in relation to the sieve bars in between one in the area of the front ends of the sieve bars common axis oscillating to opposite movements drive.
the sieve bars of each group are with theirs rear ends attached to a plate.
the drive system for the two groups of sieves comprises one rotating drivable shaft on which is offset by 180 ° Eccentric discs are attached.
the eccentric discs are each housed in bearing housings on which elongated, flexible elements are attached at one end, while other ends attack the respective plates, making overall a relatively complex and a high Drive system exposed to wear is realized.
the invention has for its object a backhoe, whose excavator spoon has a slotted sieve bottom with several at a distance from each other has sieve bars in the area their front ends pivotable on a common axis are stored, each with adjacent sieve rods oscillating are drivable to opposite movements and each Sieve bars pivotable in the same direction to form a first group and a second group are combined, with a simplified compared to the prior art and in particular to provide low-wear drive system.
each sieve bar has a first, essentially horizontal in a middle rest position rectilinear section and an adjoining, arcuate upward curved second section to which a third rectilinear section is tangential followed.
first and second axles attached the two groups of sieves are oscillating relative to the axis of the Pivotal movement of the drivable shaft are diametrically opposite, where these three axes lie in a common plane, in in the middle position of the two sieve bar groups also the common in the area of the front ends of the sieve bars Axis lies.
the bucket 10 shown in the drawing contains a traverse 3 as a connector to the excavator arm.
a traverse 3 is a spanning the entire length of the bucket 10 extending hood 4 attached.
On this hood are attached to both sides of side walls 5, the corresponding the desired profile of the bucket are designed.
These side walls 5 are at the front lower end of the Excavator spoon connected by a cross strut 6.
a cross strut 6 For protection the cross strut 6 and the two side walls 5 are suitable Wear protection pieces 7 are provided.
the actual bottom of the bucket is at a distance sieve bars 1a - 1n and 2a - 2n lying apart from one another, in each case adjacent sieve bars oscillating to the opposite Movements can be driven. All sieve bars are in the area of their front ends on one between the Side walls 5 extending common axis 8 pivotable stored. Each sieve bar has a first one, in a middle one
the rest position is essentially a horizontal straight line Section 1.1 or 2.1 and a subsequent, arcuate upward curved second section 1.2 or 2.2, to which there is a third straight section tangentially 1.3 or 2.3 connects.
Pivotal movement driven shaft 9 mounted on the which can be pivoted together in the same direction, along a first group forming sieve bars 1a-1n a first common axis 11 and the rest, one second group forming sieve bars 2a - 2n along a second common axis 12 from the first axis 11 in the distance, are articulated.
fingers attached to the shaft in the manner of a comb serve for combing purposes 13 and 14.
the first and second axes 11 and 12 lie diametrically opposite each other relative to the axis of the shaft 9, wherein these three axes lie in a common plane in which in the middle position of the two sieve bar groups axis 8 also lies.
the Siebenstab In the middle rest position of the Siebenstab includes the plane defined by these three axes the vertical an angle ⁇ between 28 ° to 42 °, preferably 34 ° to 38 °, especially 36 °, a, whereby, in particular when the total pivot angle of the shaft 11 about its axis is less than 26 °, the mechanical when operating the excavator bucket Stress in the area of the drive ends the sieve bars remain low.
the curved one second section 1.2 of the sieve bars of the one sieve bar group 1a - 2n extends over an angle ⁇ from 140 ° to 150 °, during the curved section of the sieve bars 2a - 2n of the other group over an angle ⁇ of 120 to 130 ° extends.
the horizontal distance b which also essentially corresponds to the length of the first straight sections of the screen bars, lies between this axis 8 and the shaft axis (11) in the size of 0.7-0.8 a , preferably 0.75 a .
the distance between the first and second axes 11 and 12 from the axis of the shaft 9 is of the order of 0.08-0.12 a , preferably 0.1 a .
the radius of curvature r of the second arcuately curved section of the sieve bars is of the order of magnitude of 0.4-0.5 a , preferably 0.45 a .
the oscillating pivot drive of the shaft 11 can either take place by means of hydraulic cylinders or in the manner shown in FIG. 2 by means of a crank drive 14.

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)
Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Harvester Elements (AREA)
Jib Cranes (AREA)
Crystals, And After-Treatments Of Crystals (AREA)

EP98108482A 1997-04-12 1998-05-09 Löffelbagger Expired - Lifetime EP1002904B1 (de)

Priority Applications (7)

Application Number	Priority Date	Filing Date	Title
DE19715358A DE19715358C2 (de)	1997-04-12	1997-04-12	Löffelbagger
DE59805124T DE59805124D1 (de)	1997-04-12	1998-05-09	Löffelbagger
ES98108482T ES2182171T3 (es)	1997-04-12	1998-05-09	Excavadora de cuchara.
PT98108482T PT1002904E (pt)	1997-04-12	1998-05-09	Pa de escavadora
AT98108482T ATE221942T1 (de)	1997-04-12	1998-05-09	Löffelbagger
DK98108482T DK1002904T3 (da)	1997-04-12	1998-05-09	Skovlgravemaskine
EP98108482A EP1002904B1 (de)	1997-04-12	1998-05-09	Löffelbagger

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19715358A DE19715358C2 (de)	1997-04-12	1997-04-12	Löffelbagger
EP98108482A EP1002904B1 (de)	1997-04-12	1998-05-09	Löffelbagger

Publications (2)

Publication Number	Publication Date
EP1002904A1 EP1002904A1 (de)	2000-05-24
EP1002904B1 true EP1002904B1 (de)	2002-08-07

Family

ID=26035735

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98108482A Expired - Lifetime EP1002904B1 (de)	1997-04-12	1998-05-09	Löffelbagger

Country Status (6)

Country	Link
EP (1)	EP1002904B1 (da)
AT (1)	ATE221942T1 (da)
DE (2)	DE19715358C2 (da)
DK (1)	DK1002904T3 (da)
ES (1)	ES2182171T3 (da)
PT (1)	PT1002904E (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10014415C2 (de) *	2000-03-24	2002-01-31	Markus Roesmann	Lade- und Räumfahrzeug zum Sortieren von Bauschutt
DE10224470A1 (de) *	2002-06-03	2003-12-11	Peter Dappen	Löffelbagger
FI131369B1 (fi) *	2022-05-04	2025-03-11	Allu Innovation And Res Center Oy	Täryseula kivi- ja/tai maa-ainesten seulomiseksi

Family Cites Families (5)

* 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
SE462110B (sv) *	1989-04-21	1990-05-07	Tord Jonsson	Anordning vid sorterskopa
JPH0726418B2 (ja) *	1989-09-26	1995-03-22	伊藤工業株式会社	篩専用バケット
DE4104950A1 (de) *	1991-02-18	1992-08-20	Helmut Wack	Schaufel fuer erdbewegungsgeraete
JPH09119146A (ja) *	1995-10-26	1997-05-06	Tagawa Kogyo Kk	コンクリート塊及び土石等の分離用バケット

1997
- 1997-04-12 DE DE19715358A patent/DE19715358C2/de not_active Expired - Fee Related
1998
- 1998-05-09 AT AT98108482T patent/ATE221942T1/de not_active IP Right Cessation
- 1998-05-09 ES ES98108482T patent/ES2182171T3/es not_active Expired - Lifetime
- 1998-05-09 PT PT98108482T patent/PT1002904E/pt unknown
- 1998-05-09 DE DE59805124T patent/DE59805124D1/de not_active Expired - Lifetime
- 1998-05-09 EP EP98108482A patent/EP1002904B1/de not_active Expired - Lifetime
- 1998-05-09 DK DK98108482T patent/DK1002904T3/da active

Also Published As

Publication number	Publication date
ATE221942T1 (de)	2002-08-15
DK1002904T3 (da)	2002-12-02
PT1002904E (pt)	2002-12-31
DE19715358A1 (de)	1998-10-29
EP1002904A1 (de)	2000-05-24
ES2182171T3 (es)	2003-03-01
DE59805124D1 (de)	2002-09-12
DE19715358C2 (de)	1999-11-25

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DE69111227T2 (de)	1996-04-04	Baggerlöffel mit siebanordnung.
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