EP1420889B1 - Dispositif d'arrosage comprenant une tete d'arroseur pivotable bidirectionellement - Google Patents

Dispositif d'arrosage comprenant une tete d'arroseur pivotable bidirectionellement Download PDF

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Publication number
EP1420889B1
EP1420889B1 EP02769975A EP02769975A EP1420889B1 EP 1420889 B1 EP1420889 B1 EP 1420889B1 EP 02769975 A EP02769975 A EP 02769975A EP 02769975 A EP02769975 A EP 02769975A EP 1420889 B1 EP1420889 B1 EP 1420889B1
Authority
EP
European Patent Office
Prior art keywords
sprinkler head
actuating element
hollow shaft
drive device
sprinkler
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.)
Expired - Lifetime
Application number
EP02769975A
Other languages
German (de)
English (en)
Other versions
EP1420889A1 (fr
Inventor
Christoph Schiedt
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.)
Gardena Manufacturing GmbH
Original Assignee
Gardena Manufacturing GmbH
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 Gardena Manufacturing GmbH filed Critical Gardena Manufacturing GmbH
Publication of EP1420889A1 publication Critical patent/EP1420889A1/fr
Application granted granted Critical
Publication of EP1420889B1 publication Critical patent/EP1420889B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
    • B05B3/0409—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements
    • B05B3/0418—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine
    • B05B3/0422—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine with rotating outlet elements
    • B05B3/0431—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine with rotating outlet elements the rotative movement of the outlet elements being reversible
    • B05B3/0436—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine with rotating outlet elements the rotative movement of the outlet elements being reversible by reversing the direction of rotation of the rotor itself

Definitions

  • the first bearing TLU of the turbine shaft is advantageously in the axial direction in the region of the axial extent of the turbine wheel TU or at most by the amount of this extension beyond the turbine wheel.
  • the turbine shaft TW is advantageously of small diameter, in particular less than 2 mm, and is advantageously made of stainless steel.
  • the impeller has around the turbine shaft on a narrow annular contact surface, with which the impeller can be supported on the transmission housing against the axially acting Anström concept.
  • the turbine shaft may additionally be mounted in an axially spaced second shaft bearing TLO.
  • the opening AO of the gear housing has an output shaft facing the upper edge OK, which in a plane perpendicular to the pivot axis SA, about which bidirectionally the output shaft is rotatable extends.
  • the output shaft includes a support plate TR with a plane extending in a plane perpendicular to the pivot axis SA sliding surface GF.
  • the output shaft is guided during assembly with the side of the gear ZW through the preferably circular formed around the pivot axis SA opening, wherein the gear ZW engages in the last gear stage, and lies with the gear surface GF on the upper edge.
  • the radius of the sliding surface is larger, that of the gear ZW smaller than that of the opening AO.
  • the pressing force of the sliding surface GF of the output shaft against the upper edge OK of the opening AO advantageously takes place in that the output shaft is supported against the housing cover of the drive device for sprinkler head final housing cover with the interposition of a parallel to the direction of the pivot axis elastically deformable element.
  • a sliding washer is additionally inserted between the housing cover GD and the output shaft.
  • the direction of rotation of the hollow shaft is switched upon reaching the respective pivot angle limit, which, as described, preferably by switching the direction of flow from the nozzle channels DKL and DKR done on the turbine TU.
  • FIGS. 15 and 16 a two-disc arrangement of the setting before, wherein a first disc MS1 again has the recording MA and now at fixed circumferential position, for example, as sketched in the recording MA from the disc plane projecting a first, fixedly positioned limiter LEF carries.
  • a second disc MS2 is arranged coaxially with the first disc and has in the plane of the first limiter element and at the same radius as this a second limiter element LEV.
  • the second disc is angularly adjustable relative to the first disc about the pivot axis SA and, for example, frictionally connected thereto or, as in Fig. 16 sketched, provided with a sprocket MK, in which a user accessible toothed actuating shaft engages the rotation of the angular position of the second disc is adjustable to obtain a variable swivel angle range between the two limiter elements LEF and LEV, but the one area limit with respect to Housing HO is fixed.
  • Both at the shim MS after FIGS. 12 and 13 as well as the first disc MS1 Fig. 15 is exactly one shot MA for the actuator BE provided.
  • the disc MS or MS2 with the actuator facing the short distance R1 coaxial with the pivot axis in particular also together with the sprinkler head, can be placed on the drive device without simultaneously deforming the actuator radially.
  • the adjuster and / or the sprinkler head is rotated about the pivot axis until the actuator engages the receptacle MA and thus assumes the regular operating position.
  • the drive plate of the adjusting device can also have a plurality of such, mutually angularly offset receptacles for the actuating element contained, which then serve not only as a safeguard against excessive force application, but also allow a quick manual adjustment of the orientation of the sprinkler head.
  • the peripheral surface UF is, in order to enable automatic follow-up with actuation element disengaged from the receptacle MA under the action of the drive device, without steps or steep flanks in the course around the pivot axis, so that upon sliding of the actuating element disengaged from the receptacle by mishandling the peripheral surface UF no tangential entrainment force overcoming the switching threshold acts on the actuating element until it engages again in the receptacle and, with continued pivoting of the sprinkler head, causes it to switch over again at the regular angular range limit by abutment against a steep lateral flank of the receptacle.
  • the peripheral surface may, for example, be circular, offset in the direction of the receptacle eccentrically (EX) against the pivot axis SA.

Landscapes

  • Nozzles (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Catching Or Destruction (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Claims (15)

  1. Dispositif d'arrosage comprenant une tête d'arrosage pouvant pivoter de manière bidirectionnelle par rapport à un socle fixe autour d'un axe de pivotement (SA) dans une plage angulaire de pivotement limitée, dont le pivotement est effectué par un dispositif d'entraînement de sens de rotation inversable, un système de réglage provoquant une inversion du sens de rotation du mouvement de pivotement de la tête d'arrosage par le biais d'un élément d'actionnement, lorsque la tête d'arrosage a atteint une position de fin de course du mouvement de pivotement, l'élément d'actionnement contenant un élément en forme de barre, le système de réglage comprenant au moins un logement dans lequel, dans une position fonctionnelle, un élément de transfert vient se placer et un déplacement d'inversion du logement transmet un mouvement d'inversion au dispositif déterminant le sens du mouvement de pivotement, le logement pouvant être déplacé au-delà du déplacement d'inversion et l'élément de transfert pouvant ainsi ressortir du logement, sans destruction et de manière réversible, caractérisé en ce que l'élément d'actionnement (BE) forme en même temps l'élément de transfert et se place dans le logement (MA), et en ce que l'élément d'actionnement (BE) est disposé de manière décalée latéralement par rapport à l'axe de pivotement (SA).
  2. Dispositif selon la revendication 1, caractérisé en ce que le mouvement d'inversion de l'élément d'actionnement (BE) s'effectue tangentiellement et le mouvement de sortie s'effectue essentiellement radialement par rapport à l'axe de pivotement (SA).
  3. Dispositif selon la revendication 1 ou 2, caractérisé par au moins une surface périphérique (UF) du système de réglage, sur laquelle l'élément d'actionnement (BE) ressorti glisse tangentiellement lorsque le système de réglage continue de tourner.
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le système de réglage présente exactement un logement (MA) pour l'élément d'actionnement (BE).
  5. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le système de réglage présente plusieurs logements disposés avec un décalage angulaire autour de l'axe de pivotement.
  6. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le système de réglage présente un disque d'entraînement (MS) avec des éléments de limitation (LE) à positionnement variable.
  7. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le système de réglage comprend deux disques d'entraînement (MS1, MS2) réglables l'un par rapport à l'autre autour de l'axe de pivotement, avec un élément de limitation respectif (LEF, LEV), et au moins l'un des deux disques d'entraînement (MS1) présente au moins un logement (MA) pour l'élément d'actionnement (BE).
  8. Dispositif selon l'une quelconque des revendications 1 à 7, caractérisé en ce que l'élément d'actionnement (BE) est un élément en forme de barre avec une position centrale parallèle à l'axe de rotation (DA).
  9. Dispositif selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'élément d'actionnement (BE) est un fil en acier à ressort.
  10. Dispositif d'arrosage selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le couple pouvant être transmis entre le dispositif d'entraînement et la tête d'arrosage est limité par une protection contre les surcharges, en ce que le boîtier du dispositif d'entraînement présente, vers la tête d'arrosage, une ouverture de sortie (AU), à travers laquelle est guidé un arbre creux guidant l'eau (HW) de manière pivotante par rapport au boîtier du dispositif d'entraînement, l'arbre creux étant étanche par rapport au dispositif d'entraînement, en ce que l'arbre creux (HW) est accouplé en rotation à un arbre conjugué (AW) du dispositif d'entraînement et/ou de la tête d'arrosage par le biais de structures d'accouplement (ZK), et en ce que sur l'arbre creux (HW) et/ou l'arbre conjugué (AW) sont réalisées des pièces de la protection contre les surcharges.
  11. Dispositif selon la revendication 10, caractérisé en ce que l'arbre creux est accouplé en rotation à l'arbre conjugué par le biais de structures d'axe parallèle à engagement positif (ZK).
  12. Dispositif selon la revendication 10 ou 11,
    caractérisé en ce que l'arbre creux (HW) est connecté fixement à la tête d'arrosage et l'arbre conjugué (AW) est un arbre de sortie dans le dispositif d'entraînement.
  13. Dispositif selon l'une quelconque des revendications 10 à 12, caractérisé en ce que la protection contre les surcharges contient des segments flexibles de manière radialement élastique (ZA), avec des structures d'engagement (ZK) parallèles à l'axe de pivotement.
  14. Dispositif selon l'une quelconque des revendications 10 à 13, caractérisé en ce que l'arbre creux (HW) de la tête d'arrosage est maintenu dans le dispositif d'entraînement de manière à ne pas pouvoir être retiré.
  15. Dispositif selon la revendication 14, caractérisé en ce que l'arbre creux (HW) de la tête d'arrosage est maintenu axialement par une rondelle d'un segment de ressort (SS).
EP02769975A 2001-08-29 2002-08-21 Dispositif d'arrosage comprenant une tete d'arroseur pivotable bidirectionellement Expired - Lifetime EP1420889B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10142145 2001-08-29
DE10142145A DE10142145A1 (de) 2001-08-29 2001-08-29 Beregnungsvorrichtung mit bidirektional schwenkbarem Regnerkopf
PCT/EP2002/009306 WO2003020432A1 (fr) 2001-08-29 2002-08-21 Dispositif d'arrosage comprenant une tete d'arroseur pivotable bidirectionnellement

Publications (2)

Publication Number Publication Date
EP1420889A1 EP1420889A1 (fr) 2004-05-26
EP1420889B1 true EP1420889B1 (fr) 2008-07-16

Family

ID=7696877

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02769975A Expired - Lifetime EP1420889B1 (fr) 2001-08-29 2002-08-21 Dispositif d'arrosage comprenant une tete d'arroseur pivotable bidirectionellement

Country Status (5)

Country Link
EP (1) EP1420889B1 (fr)
AT (1) ATE401129T1 (fr)
DE (2) DE10142145A1 (fr)
ES (1) ES2310606T3 (fr)
WO (1) WO2003020432A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2383042A1 (fr) * 2010-04-29 2011-11-02 Yuan Mei Corporation Passage d'eau pour arroseur rotatif intégré

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7028920B2 (en) 2004-03-10 2006-04-18 The Toro Company Adjustable arc sprinkler with full circle operation
FR2907349B1 (fr) * 2006-10-24 2009-01-23 Yuan Mei Corp Structure d'arroseur a fonctions multiples

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL80102A (en) * 1986-09-21 1994-02-27 Naan Mech Works Sprinkler
US4901924A (en) * 1988-04-19 1990-02-20 Kah Jr Carl L C Sprinkler device with angular control
DE3833984C2 (de) * 1988-10-06 1996-10-17 Gardena Kress & Kastner Gmbh Regner
US4892252A (en) * 1988-11-03 1990-01-09 L. R. Nelson Corporation Adjustable part circle sprinkler assembly
US5383600A (en) * 1993-10-25 1995-01-24 Anthony Manufacturing Corp. Vandal resistant part circle pop-up gear driven rotary irrigation sprinkler
US5695123A (en) * 1995-10-16 1997-12-09 James Hardie Irrigation, Inc. Rotary sprinkler with arc adjustment device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2383042A1 (fr) * 2010-04-29 2011-11-02 Yuan Mei Corporation Passage d'eau pour arroseur rotatif intégré

Also Published As

Publication number Publication date
WO2003020432A1 (fr) 2003-03-13
ES2310606T3 (es) 2009-01-16
ATE401129T1 (de) 2008-08-15
EP1420889A1 (fr) 2004-05-26
DE10142145A1 (de) 2003-03-20
DE50212517D1 (de) 2008-08-28

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