EP3656921B1 - Dispositif d'épandage destiné à la distribution du produit d'épandage liquide et granulé - Google Patents

Dispositif d'épandage destiné à la distribution du produit d'épandage liquide et granulé Download PDF

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Publication number
EP3656921B1
EP3656921B1 EP18207828.7A EP18207828A EP3656921B1 EP 3656921 B1 EP3656921 B1 EP 3656921B1 EP 18207828 A EP18207828 A EP 18207828A EP 3656921 B1 EP3656921 B1 EP 3656921B1
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EP
European Patent Office
Prior art keywords
spreading
spreading material
plate
grit
chute
Prior art date
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Application number
EP18207828.7A
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German (de)
English (en)
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EP3656921A1 (fr
Inventor
Philipp Körbler
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Springer Kommunaltechnik GmbH
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Springer Kommunaltechnik GmbH
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Priority to EP18207828.7A priority Critical patent/EP3656921B1/fr
Publication of EP3656921A1 publication Critical patent/EP3656921A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
    • E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
    • E01C19/201—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels
    • E01C19/202—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels solely rotating, e.g. discharging and spreading drums
    • E01C19/203—Centrifugal spreaders with substantially vertical axis
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H10/00—Improving gripping of ice-bound or other slippery traffic surfaces, e.g. using gritting or thawing materials ; Roadside storage of gritting or solid thawing materials; Permanently installed devices for applying gritting or thawing materials; Mobile apparatus specially adapted for treating wintry roads by applying liquid, semi-liquid or granular materials
    • E01H10/007—Mobile apparatus specially adapted for preparing or applying liquid or semi-liquid thawing material or spreading granular material on wintry roads
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
    • E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
    • E01C2019/2055—Details not otherwise provided for
    • E01C2019/207—Feeding the distribution means
    • E01C2019/208—Feeding the distribution means with longitudinal auger

Definitions

  • the invention relates to a spreading device for spreading liquid and granular spreading material according to the preamble of claim 1.
  • the spreading plate shaft is rotatably mounted in a central housing body.
  • the scattering device comprises a grit dispensing device for dispensing the liquid grit onto the distribution hub, the grit dispensing device having a grit outlet opening which is directed towards the distribution hub.
  • the liquid grit is fed to the grit dispenser by means of a feed line.
  • Such spreading devices are usually attached in the rear area of winter service vehicles, for example trucks, in order to spread liquid and / or granular spreading material on roads or other surfaces.
  • the spreading material should be applied to the ground as evenly as possible and in a predetermined spreading width by the rotating spreading disc.
  • a brine i.e. a salt solution
  • moist salt is often used, i.e. road salt that is moistened with a salt solution (brine).
  • a moist salt has the particular advantage over dry road salt that the desired thawing effect occurs very quickly and there is a significantly lower risk of drifting.
  • the brine and the dry road salt are usually brought together in the area of the spreading disc distribution hub, which is preferably designed as a conical impact body, to which the brine is fed on the one hand by means of a brine dispenser and on the other hand the road salt is fed via a gritter chute.
  • a spreading device in which liquid thawing substances can be fed to a central, rotating centrifugal sleeve and from there passed on to rotating centrifugal pipes in order to spread the liquid thawing substances.
  • the centrifugal tubes are combined with a spreader plate for discharging granules, so that granules and liquid thawing substances can be discharged alternately.
  • the invention is therefore based on the object of creating a spreading device of the type mentioned above, with which the best possible mixing of liquid and granular grit and the most even and targeted distribution of the grit on the ground and the mixing process at any time and in a very fine way can be adapted to the respective requirements.
  • the position of the grit outlet opening for the liquid grit can be changed by means of an electrical, hydraulic or pneumatic actuator, viewed in the circumferential direction of the distribution hub.
  • the point of impact of the liquid spreading material, in particular the brine, on the distribution hub around the axis of rotation of the distribution hub, i.e. in the circumferential direction of the distribution hub can be changed by a motor and preferably continuously.
  • the place of mixing between the liquid grit and the granular grit changes accordingly, whereby the mixing process can be optimized depending on the composition of the liquid and granular grit, the driving speed and the desired spreading width.
  • the mixing process can be improved at any time and in a very fine way - possibly by interacting with a motorized adjustment of the grit chute and / or a motorized pivoting of the spreading device or parts thereof about one or more vertical axes and adapted to the respective requirements.
  • the grit dispensing device for the liquid grit can advantageously be rotated around the shaft housing.
  • the grit outlet opening describes an arc around the longitudinal axis of the shaft housing and thus around the axis of rotation of the distribution hub when the position is adjusted.
  • the grit dispensing device advantageously consists of a grit dispensing box which extends around the shaft housing and is rotatably mounted on it.
  • a grit dispensing box which extends around the shaft housing and is rotatably mounted on it.
  • the liquid grit can initially be collected somewhat in the immediate vicinity of the spreading plate and from there selectively fed to the distribution hub via the grit outlet opening. In this way, it can be achieved in a simple manner that the liquid spreading material is always available in the area of the spreading plate when required and can be optimally output from there to the distribution hub in every rotational position of the spreading material delivery device.
  • the actuator has a variable-length actuating arm which is movement-coupled to the grit dispensing device in such a way that a change in length of the actuating arm causes a rotary movement of the grit dispensing device around the axis of rotation of the distribution hub.
  • the actuating arm of the actuator is coupled in terms of movement to the supply line for the liquid spreading material, such that the supply line is part of a power transmission device for rotating the spreading material dispensing device.
  • this means that the actuating arm of the actuator is not connected directly to the grit dispensing device, for example grit dispensing can, but to the Feed line for the liquid grit is connected and moves the grit dispensing device by means of this feed line.
  • the supply line between the connection point with the actuating arm and the grit dispensing device is so rigid that the movement is transmitted to the grit dispensing device without any appreciable deformation of the supply line.
  • a very simple structure is possible by means of such an embodiment.
  • the grit dispensing device is advantageously held axially on the shaft housing by means of the feed line for the liquid grit. This eliminates the need for additional axial bearings between the grit dispensing device and the shaft housing.
  • the grit dispensing device is held at the correct height on the shaft housing solely by the feed line, the feed line expediently being guided relatively close to the grit dispensing device by a suitable guide device.
  • the spreading device has a guide plate attached to the shaft body and a slide element which is slidably guided on the guide plate in such a way that it can be moved by the actuator on a circular arc around the spreading plate shaft, the slide element being coupled in terms of movement to the spreading material dispensing device.
  • the guide plate has an arcuate elongated hole which forms a guide slot into which at least one guide bolt attached to the slide element engages.
  • the longitudinal movement of the actuating arm can be converted in a simple and safe manner into a circular movement of the slide element around the spreading plate shaft. This circular movement can then be transmitted from the slide element - preferably via the supply line for the liquid grit - to the grit dispenser, so that it also rotates accordingly relative to the distribution hub, whereby the position of the grit outlet opening can be varied relative to the distribution hub.
  • the actuator for changing the position of the grit outlet opening for the liquid grit preferably consists of an electrically operated drive motor. This enables a relatively simple construction, since no additional hydraulic or pneumatic line is required. However, a hydraulic or pneumatic drive is also possible.
  • the spreading device comprises a spreading plate module which comprises the spreading plate, a spreading plate cover and the shaft housing, as well as a spreading chute and a holding structure attached to the spreading chute for pivoting the spreading plate module relative to the spreading chute, the spreading plate module using a second electrical, hydraulic or
  • the pneumatic actuator can be pivoted relative to the gritting chute in such a way that the point of impact of the granular grit fed in via the gritting chute on the distribution hub can be changed.
  • this second actuator it is possible to pivot the entire spreading plate module around a vertical axis in such a way that the granular grit from the grit chute hits the distribution hub either in the middle or laterally to the left or right.
  • the spreading pattern and the positioning of the spreading material on the ground can also be changed in a very simple and preferably stepless manner.
  • the spreading chute has a lower output section which can be pivoted about a horizontal axis by means of a third electrical, hydraulic or pneumatic actuator in such a way that the point of impact of the granular spreading material on the distribution hub can be changed in the vertical direction of the distribution hub.
  • the gritting chute has an upper chute section and a lower chute section to which the holding structure for the pivotable mounting of the spreading plate module is attached, the lower chute section being rotatably mounted on the upper chute section and being rotatable by means of a fourth electrical, hydraulic or pneumatic actuator .
  • a fourth actuator By means of such a fourth actuator, the entire lower section of the spreading device can be pivoted about a vertical axis in a very simple and precise manner, which creates a further motorized setting option to spread the spreading material further to the left or right relative to the direction of travel.
  • Figure 1 shows a spreading device 1 according to the invention, which is attached to a spreading material container 2, which is only indicated.
  • the grit container 2 is usually arranged on a vehicle, in particular a truck, and is used to hold granular grit, in particular road salt.
  • this grit container 2 for granular grit there is usually a further grit container, not shown, for liquid grit, in particular brine, which can be mounted on the vehicle next to the grit container 2.
  • the spreading device 1 comprises a screw conveyor 3, which conveys the granular spreading material from the spreading container 2 into the spreading device 1.
  • the speed of rotation of the screw conveyor 3 is preferably continuously adjustable by means of a drive motor 4, which is for example a hydraulic or electric motor.
  • the granular spreading material arrives from the area of the screw conveyor 3 into a spreading chute 5, which comprises an upper spreading chute part 6 and a lower spreading chute part 7.
  • the upper grit chute part 6 and the lower grit chute part 7 are connected to one another by means of a turntable 8 in such a way that the lower grit chute part 7 and thus all elements attached to it, which will be explained in more detail below, can be rotated around a vertical axis 9, in particular vertical axis, over a certain angular range.
  • This rotary movement is brought about by an actuator 10, which has an actuating arm 10a of variable length and is in operative connection on the one hand with the upper grit chute part 6 and on the other hand with the lower grit chute part 7.
  • the actuator 10 can be, for example, an electrical, hydraulic or pneumatic actuator. It is expediently an electrical actuator, the actuating arm 10a having a spindle drive.
  • the rotary mounting of the lower grit chute part 7 on the upper grit chute part 6 can be realized in that it is attached to the upper grit chute part 6
  • Turntable 8 an annular disc 11 arranged on the lower part 7 of the spreading chute ( Figure 2 ) reaches under.
  • a holding structure 12 is attached to the lower gritting chute part 7, on which a spreader plate module 13 is held pivotably about a pivot axis 14.
  • the pivot axis 14 is advantageously arranged vertically.
  • the pivot bearing is formed by a bearing pin 15, which is fixed on a bearing block 16 of the holding structure 12, and by a bearing sleeve 17 which is fastened to the spreading plate module 13 and surrounds the bearing pin 15.
  • the spreading plate module 13 comprises a spreading plate 18 which is used to spread the liquid and granular spreading material, in particular a wet salt in the form of road salt moistened with a brine, and which is rotatable about an axis of rotation 21.
  • the axis of rotation 21 is preferably arranged vertically.
  • the spreading plate 18 comprises an impeller 22 with a plate-shaped base plate 23, an upper annular disc 24 and, preferably vertically aligned, throwing plates 25 arranged between them.
  • the spreading plate 18 comprises a distribution hub 26 which is arranged centrally within the impeller 22 and has a frustoconical shape that tapers upwards.
  • a distribution hub 26 which is arranged centrally within the impeller 22 and has a frustoconical shape that tapers upwards.
  • the spreading plate 18 is held and set in rotation by a spreading plate shaft 27, which axially penetrates the distribution hub 26 and is connected to it in a rotationally fixed manner.
  • this spreading plate shaft 27 is rotatably supported in a tubular shaft housing 29 by means of bearings 28a, 28b.
  • a drive motor 30 which is coupled non-rotatably to the spreading plate shaft 27, the housing of which is flanged onto the shaft housing 29, serves to drive the spreading plate 18.
  • the liquid grit is fed to the distribution hub 26 via a feed line 31 and a grit dispenser 32 connected to it.
  • the connection between the supply line 31 and the grit dispensing device 32 takes place via a rigid, tubular bend 33, which in the illustrated embodiment is a 90 ° bend.
  • the grit dispensing device 32 for the liquid grit consists of a grit dispensing box 34 with an outer, for example octagonal, peripheral wall 35 ( Figure 4 ) and a radially spaced inner, cylindrical peripheral wall 36 ( Figure 3 ).
  • the area between the peripheral walls 35, 36 forms an annular collecting space 37 for the liquid grit.
  • the collecting space 37 is closed at the top by an end wall 38.
  • the grit dispensing box 34 has a grit outlet opening 39 which only extends over extends a relatively small circumferential area of the collecting space 37, for example over an angular range of 30 to 50 °, in particular of about 40 °.
  • the collecting space 37 is closed at the bottom by means of a lower end wall 40.
  • the grit outlet opening 39 is also located on a beak-shaped spout 41 provided at the lower end area of the grit dispensing box 34, which is formed by a downwardly protruding extension of the outer peripheral wall 35 and extends downward somewhat into the space between the upper annular disk 24 and the bottom plate 23 of the Spreading plate 18 extends into it and directs the liquid spreading material specifically onto the distribution hub 26.
  • the collecting space 37 as in Figure 3 shown, be divided into an upper and lower section by means of an annular circumferential, somewhat obliquely arranged intermediate wall 42.
  • the partition 42 is provided with an opening in the area above the grit outlet opening 39 so that the liquid grit can pass from the upper section into the lower section. By means of the partition 42, the liquid grit can be fed to the grit outlet opening 39 in a very uniform manner.
  • the grit dispensing can 34 is rotatably mounted on the shaft housing 29 by means of a bearing sleeve 43.
  • the bearing sleeve 43 is expediently made of plastic.
  • the bearing sleeve 43 is firmly connected to the grit dispensing box 34, for example by the bearing sleeve 43 being pressed into the sleeve formed by the inner peripheral wall 36.
  • the lower section of the shaft housing 29, on which the grit dispensing box 34 is mounted is cylindrical with a constant outer diameter. This makes it possible for the grit dispensing box 34 to be pushed onto the shaft housing 29 from below during assembly.
  • the position of the grit outlet opening 39 relative to the distribution hub 26 and thus the point of impact of the liquid grit on the distribution hub 26 is determined both by the height position and by the rotational position of the grit dispensing can 34 relative to the stationary shaft housing 29. Both this height and the rotational position of the grit dispensing can 34 are determined or set by means of the supply line 31 for the liquid grit, which is held in its lower end region in the manner described below and is guided in such a way that the rotational position of the grit dispenser 32 / grit dispenser 34 is relative to the distribution hub 26 can be changed continuously.
  • the feed line 31 is guided by means of a slide element 46 which is firmly connected to the feed line 31 and which is slidably guided on a guide plate 47.
  • the guide plate 47 is arranged flat and horizontally in the embodiment shown. In your In the inner wall area, the guide plate 47 is fastened by means of fastening screws 45 to a fastening plate 48 firmly connected to the shaft housing 29.
  • the fastening screws 45 clamp together a plate assembly which comprises a spacer plate 49 resting on the guide plate 47 and an upper guide plate 50 resting on the spacer plate 49.
  • the upper guide plate 50 protrudes laterally outward beyond the spacer plate 49, so that a gap is created between the lower guide plate 47 and the upper guide plate 50, into which a horizontal plate section 51 of the slide element 46 can slide.
  • the upper guide plate 50 prevents the inner edge region of the slide element 46 from lifting upwards.
  • the guide plate 47 has an arcuate slot 52 which is guided in the shape of a circular arc around the axis of rotation 21 of the spreading plate shaft 27 and thus around the axis of rotation 21 of the distribution hub 26.
  • the two helical guide elements 44 which are firmly connected to the slide element 46, extend through this elongated hole 52. This forms a link guide with which the slide element 46 can be guided on an arc around the axis of rotation 21 and thus around the spreading plate shaft 27.
  • the guide plate 47 extends laterally outward beyond the feed line 31 and has an arcuate slot 56 for guiding the feed line 31 through.
  • an electric actuator or drive motor 57 is provided, which is coupled to the slide element 46 in terms of movement .
  • the actuator 57 is, on the one hand, fixed to the shaft housing 29 via a holding device 58 and, on the other hand, has an actuating arm 57a of variable length, which is coupled to the slide element 46 via a hinge pin 60.
  • the actuating arm 57a can, for example, have a motor-driven extendable and retractable spindle.
  • the slide element 46 can thus be moved continuously over a certain circular arc. Since the feed line 31 is clamped to the slide element 46, the lower end area of the feed line 31 and thus the grit dispensing can 34 also move around the distribution hub 26 by a certain angular amount. The grit outlet opening 39 for the liquid grit is thus also moved accordingly in the circumferential direction of the distribution hub 26, so that the position of the liquid grit on the distribution hub 26 relative to the The direction of travel of the vehicle carrying the spreading device 1 can be changed.
  • FIG 4 three different rotational positions of the grit outlet opening 39 for the liquid grit are shown, with lines 61a, 61b, 61c representing central axes of the grit outlet opening 39.
  • the line 61a represents a central position of the grit outlet opening 39 aligned parallel to the direction of travel 62
  • the line 61b represents a left-hand end position
  • the line 61c represents a right-hand end position.
  • the rotational position of the grit outlet opening can be changed by an angle ⁇ of approximately 50 °.
  • the spreading chute 5 for the granular spreading material in the lower end region of the lower spreading chute part 7 has a channel-shaped output section 63 which is attached to the lower spreading chute part 7 such that it can pivot about a horizontal pivot axis 64.
  • the lower end 65 of the dispensing section 63 is arranged in particular in such a way that the granular material to be spread through a circular recess 66 ( Figures 3 and 4th ) of the upper ring disk 24 of the spreading plate 18 can fall through into the space between the upper annular disk 24 and the bottom plate 23 of the spreading plate 18.
  • the inclination adjustment of the output section 63 for the granular grit can be effected steplessly and motor-driven by means of an actuator 67, the length-adjustable actuating arm 67a of which is hinged with its upper end 68 to the fixed section of the lower grit chute part 7, while its lower end 69 is hinged to the output section 63 is.
  • a further change in the spreading pattern, the spreading width and / or the mixture between liquid and granular spreading material can, as already described, be achieved in that the entire spreading plate module 13 is pivoted about the pivot axis 14 relative to the spreading chute 5.
  • This pivoting is also motorized and preferably steplessly by means of an actuator 70 ( Figure 2 ).
  • a variable-length actuating arm 70a of this actuator 70 is supported, on the one hand, on a holding arm 71, which is connected to the holding structure 12 of the lower gritting chute part 7, and, on the other hand, on a holder 72, which is attached to the shaft housing 29.
  • a spreading plate cover 73 is located above the spreading plate 18, which covers the components of the spreading device located above the spreading plate cover 73 1 protects against spraying up grit.
  • the radially inner area of the spreading plate cover 73 extends into the area between the grit dispensing box 34 and the guide plate 47 and can also be attached to the shaft housing 29 by means of the attachment screws 45.
  • the supply line 31 for the liquid spreading material passes through a recess 74 in the spreading plate cover 73 through the latter. In Figure 4 this recess 74 is only indicated schematically.
  • An apron 75 is also attached in an edge region of the spreading plate cover 73 in order to protect the vehicle from the spreading material that escapes. Accordingly, the skirt 75 extends only over a smaller part of the circumference of the spreading plate cover 73 and in that circumferential area which is directed towards the vehicle. The apron 75 extends from the plate-shaped spreading plate cover 73 downward so far over the spreading plate 18 that the emerging spreading material impacts against the apron 75 and can only flow down from there.
  • a sensor 76 for example an ultrasonic sensor, detects the spread pattern of the emerging spreading material and can be used to control or regulate the actuators 10, 57, 67 and / or 70.
  • an actuator 57 is thus used for the motorized, preferably stepless, variation of the impact position of the liquid spreading material on the spreading plate 18 or on the distribution hub 26 and optionally one or more further actuators 10, 67, 70 are used for further setting and variation of the spreading pattern of the emerging spreading material.
  • the actuator 57 can be referred to as the first actuator, the actuator 70 as the second actuator, the actuator 67 as the third actuator and the actuator 10 as the fourth actuator.
  • the actuators 10, 57, 67, 70 are preferably electrical (or electromechanical) actuators. However, hydraulic or pneumatic actuators 10, 57, 67, 70 are also possible. Mixed forms of electrical, hydraulic or pneumatic actuators 10, 57, 67, 70 are also possible.
  • the actuator 57 and optionally one or more of the further actuators 10, 67, 70 are expediently part of an automatic control or regulation device with which the spread pattern and the spreading width can be varied in many ways and preferably continuously depending on the most varied spreading compositions, driving speeds and control requirements .

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Claims (12)

  1. Dispositif de dispersion pour l'épandage de produits à disperser liquides et granulaires, comportant :
    - un disque de dispersion rotatif (18) qui possède un moyeu de répartition (26),
    - un arbre de disque de dispersion (27),
    - un carter d'arbre (29) dans lequel l'arbre de disque de dispersion (27) est monté de manière rotative,
    - un dispositif de distribution de produits à disperser (32) pour distribuer les produits liquides sur le moyeu de répartition (26), le dispositif de distribution de produits (32) présentant une ouverture de sortie de produits (39) dirigée vers le moyeu de répartition (26),
    - une conduite d'alimentation (31) pour amener les produits liquides vers le dispositif de distribution de produits (32),
    caractérisé en ce que
    la position de l'ouverture de sortie de produits (39) pour les produits à disperser liquides est variable en direction périphérique du moyeu de répartition (26) à l'aide d'un actionneur électrique, hydraulique ou pneumatique (57).
  2. Dispositif de dispersion selon la revendication 1,
    caractérisé en ce que le dispositif de distribution de produits (32) est rotatif autour du carter d'arbre (29).
  3. Dispositif de dispersion selon la revendication 1 ou 2,
    caractérisé en ce que le dispositif de distribution de produits (32) consiste en une boîte de distribution de produits (34) qui s'étend autour du carter d'arbre (29) et qui est montée de manière rotative sur celui-ci.
  4. Dispositif de dispersion selon l'une des revendications précédentes,
    caractérisé en ce que l'actionneur (57) comprend un bras d'actionnement (57a) réglable en longueur qui est couplé en mouvement au dispositif de distribution de produits (32) de telle manière qu'une modification de la longueur du bras d'actionnement (57a) provoque un mouvement de rotation du dispositif de distribution de produits (32) autour de l'axe de rotation (21) du moyeu de répartition (26).
  5. Dispositif de dispersion selon la revendication 4,
    caractérisé en ce que le bras d'actionnement (57a) de l'actionneur (57) est couplé en mouvement à la conduite d'alimentation (31) pour les produits à disperser liquides, de sorte que la conduite d'alimentation (31) fait partie d'un dispositif de transmission de force pour faire tourner le dispositif de distribution de produits (32).
  6. Dispositif de dispersion selon l'une des revendications précédentes,
    caractérisé en ce que le dispositif de distribution de produits (32) est monté axialement sur le carter d'arbre (29) au moyen de la conduite d'alimentation (31) pour les produits à disperser liquides.
  7. Dispositif de dispersion selon l'une des revendications précédentes,
    caractérisé par une plaque de guidage (47) fixée sur le carter d'arbre (29) et par un élément formant chariot (46) qui est guidé de manière mobile en translation sur la plaque de guidage (47) de telle sorte qu'il peut être déplacé par l'actionneur (57) sur un arc de cercle autour de l'arbre de disque de dispersion (27), l'élément formant chariot (46) étant couplé en mouvement au dispositif de distribution de produits (32).
  8. Dispositif de dispersion selon la revendication 7,
    caractérisé en ce que la plaque de guidage (47) présente un trou oblong (52) en forme d'arc qui forme une coulisse de guidage dans laquelle s'engage au moins un élément de guidage (44) fixé à l'élément formant chariot (46).
  9. Dispositif de dispersion selon l'une des revendications précédentes,
    caractérisé par un module de disque de dispersion (13) comprenant le disque de dispersion (18), un couvercle de disque de dispersion (73) et le carter d'arbre (29), ainsi que par une goulotte (5) pour les produits à disperser et par une structure de maintien (12) fixée à la goulotte (5) pour le montage pivotant du module de disque de dispersion (13) par rapport à la goulotte (5) pour les produits à disperser, le module de disque de dispersion (13) pouvant être pivoté par rapport à la goulotte (5) pour les produits à disperser au moyen d'un deuxième actionneur électrique, hydraulique ou pneumatique (70) de telle sorte que la zone d'impact, des produits à disperser granulaires amenés par la goulotte (5), sur le disque de dispersion (18) peut être modifiée dans la direction latérale.
  10. Dispositif de dispersion selon la revendication 9,
    caractérisé en ce que la goulotte (5) pour les produits à disperser présente une portion de sortie inférieure (63) qui peut être pivotée autour d'un axe de pivotement horizontal (64) au moyen d'un troisième actionneur électrique, hydraulique ou pneumatique (67) de telle sorte que la zone d'impact, des produits à disperser granulaires, sur le disque de dispersion (18) peut être modifiée dans le sens de la hauteur du moyeu de répartition (26).
  11. Dispositif de dispersion selon la revendication 9 ou 10,
    caractérisé en ce que la goulotte (5) pour les produits à disperser comprend une partie supérieure de goulotte (6) et une partie inférieure de goulotte (7) sur laquelle est fixée la structure de support (12) pour le montage pivotant du module de disque de dispersion (13), la partie inférieure de goulotte (7) étant montée de manière rotative sur la partie supérieure de goulotte (6) et pouvant tourner au moyen d'un quatrième actionneur électrique, hydraulique ou pneumatique (10).
  12. Dispositif de dispersion selon l'une des revendications précédentes,
    caractérisé en ce que l'actionneur (57) fait partie d'un dispositif de commande ou de régulation pour commander ou réguler automatiquement l'épandage des produits à disperser.
EP18207828.7A 2018-11-22 2018-11-22 Dispositif d'épandage destiné à la distribution du produit d'épandage liquide et granulé Active EP3656921B1 (fr)

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT360070B (de) * 1975-12-15 1980-12-29 Kahlbacher Anton Vorrichtung zum bestreuen von verkehrsflaechen
AT369076B (de) * 1978-04-24 1982-12-10 Kahlbacher Anton Vorrichtung zum bestreuen von verkehrsflaechen
DE3712452A1 (de) * 1986-07-11 1988-11-24 Pietsch Max Kg Gmbh & Co Streufahrzeug mit verteilereinrichtung fuer taustoffe
DE4016369C2 (de) * 1990-05-21 1994-04-07 Kuepper Weisser Gmbh Winterdienst-Streugerät
JP3148193B2 (ja) * 1999-02-10 2001-03-19 ソリトン・コム株式会社 凍結防止剤の散布装置
EP3318676A1 (fr) * 2016-11-03 2018-05-09 Springer Kommunaltechnik GmbH Plateau d'épandage et ensemble plateau d'épandage

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