EP1327717B1 - Dispositif d'épandage pour un véhicule de service d'hiver - Google Patents

Dispositif d'épandage pour un véhicule de service d'hiver Download PDF

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Publication number
EP1327717B1
EP1327717B1 EP02029087A EP02029087A EP1327717B1 EP 1327717 B1 EP1327717 B1 EP 1327717B1 EP 02029087 A EP02029087 A EP 02029087A EP 02029087 A EP02029087 A EP 02029087A EP 1327717 B1 EP1327717 B1 EP 1327717B1
Authority
EP
European Patent Office
Prior art keywords
spreading
conveyor belt
carpet
roller
comminuting
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
EP02029087A
Other languages
German (de)
English (en)
Other versions
EP1327717A3 (fr
EP1327717A2 (fr
Inventor
Reinhold Dankwardt
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.)
Kuepper Weisser GmbH
Original Assignee
Kuepper Weisser 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 Kuepper Weisser GmbH filed Critical Kuepper Weisser GmbH
Publication of EP1327717A2 publication Critical patent/EP1327717A2/fr
Publication of EP1327717A3 publication Critical patent/EP1327717A3/fr
Application granted granted Critical
Publication of EP1327717B1 publication Critical patent/EP1327717B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • E01C2019/2075—Feeding the distribution means with longitudinal conveyor belt

Definitions

  • the invention relates to a device for spreading material comprising a scattering container with a Streustoffaustragö réelle and a spreading material conveyor in the form of a conveyor belt on which a discharged from the container through the discharge spill carpet is fed to a scattering distributor.
  • the aforementioned spreaders find application, for example, on winter maintenance vehicles for spreading salt.
  • the scattering container typically has a conical, funnel-like cross-section, at the bottom of which the conveyor belt lies.
  • the conveyor belt moves under the salt dipper in the hopper against the direction of travel of the winter utility vehicle, thereby drawing salt from under the salt dome and promotes a salt carpet through the Streustoffaustragö réelle addition to the scattering distributor, usually a slinger or a so-called spreading plate.
  • the height and width of the salt carpet produced on the conveyor belt is determined by the opening cross section of the scattering substance discharge opening.
  • the desired spread rate per road surface is metered at a given opening cross section depending on the driving speed by adjusting the conveyor belt speed.
  • the problem is the processing of grit, which tends to stick, such as vacuum salt. If very fine evaporated salt has a moisture content of more than one percent by weight, it begins to stick together very strongly. This effect increases at temperatures below -3 ° C.
  • the spread carpet transported on the conveyor belt then forms a salt cake, the breaks briquette from the conveyor end of the conveyor belt and falls into the spreader. This lumpy breaking then creates a very uneven, pulsating scattering pattern with places of particularly high concentration and other places in which no salt is distributed to the roadway. This problem is particularly pronounced at low vehicle speeds of 5 km / h and below. It can take several seconds, in which no salt falls on the spreading plate.
  • the scattering material is transported by means of a conveyor belt from a Streustonüenatter through a Streustoffaustragö réelle and fed to a scattering agent distributor.
  • a paddle wheel Before the conveyor end of the conveyor belt is a paddle wheel, which rotates counter to the transport direction of the conveyor belt that the transported on the conveyor belt scattering material is swirled by the blade and spun over the paddle away to the rear in a leading to the dust distributor manifold shaft.
  • Object of the present invention is therefore to propose a solution to the problem, as can be discharged reliably for bonding tendency boiling salt even at low conveyor belt speeds.
  • a scattering carpet shredder is provided outside the scattering container and before the delivery end of the conveyor belt. It is a crushing roller, which is particularly effective when it is located directly at the conveyor end of the conveyor belt, because there it can rest on a deflection roller of the conveyor belt. This may be the deflection roller as such or else the material of the conveyor belt lying between the deflection roller and the comminuting roller. At this point, the crushing roller can be designed without special effort so that it runs along positively conveyed on the belt or the pulley.
  • the conveyor belt is the least flexible in the region of its deflection roller, so that the force applied by the crushing roller to the spreading mat is completely available for the comminution of the spreading mat.
  • a foreign drive for the crushing roller may be expedient instead of forced conveyance.
  • the comminution cylinder has comminution rods lying in its lateral surface which dig into the scattering carpet during rotation of the comminution cylinder and break it open.
  • the crushing rods are preferably arranged helically in the lateral surface. Thus, only a short section of the shredding rod always acts on the scattered carpet. This makes it possible to form the crushing rods comparatively narrow with a correspondingly favorable cutting action on the grit to be crushed.
  • FIG. 1 shows schematically in side view, representative of many types of carrier vehicles and their structures, a winter service spreading vehicle with a loading area 2, on which a scattering container 1 rests.
  • the scattering container 1 is in FIG. 2 shown again in plan view. It can also be mounted as a trailer or as a fixed structure on a chassis.
  • the side walls 9 of the container 1 converge toward the container bottom, on which a conveyor belt 4 is located.
  • the conveyor belt 4 runs away in the transport direction (arrow direction) under a salt stick located in the container 1 and thereby removes salt.
  • the salt is carried out through a Streustoffaustragö réelle 3 from the container 1, wherein Forming a scattered carpet 11 on the conveyor belt 4 outside the container 1 ( FIG. 3 ).
  • the height and width of the spread carpet 11 is determined by the opening cross section of the discharge opening 3, the height of which is in turn manually adjustable by a vertically displaceable slide 13.
  • the amount of salt delivered per unit time is defined by the transport speed of the conveyor belt 4. For a given spread rate per lane area, the transport speed of the conveyor belt 4 depends on the width of the area to be spread on the one hand and the vehicle speed on the other hand.
  • the conveyed with the conveyor belt 4 scattering material falls from the end of the conveyor belt 4 in a hopper 8 and from there to a scattering agent distributor 7 in the form of a centrifugal disc or a spreading plate.
  • a spread carpet shredder 5 is provided in the manner of a comminution roller in order to break up any clumped bedding material before it falls down into the hopper 8.
  • the crushing roller 5 is located with its axis of rotation perpendicular to and parallel to the axis of rotation of the guide roller 12 of the conveyor belt 4 and is pressed against the guide roller 12 and the conveyor belt 4 therebetween, so that the roller 5 forcibly conveyed by the conveyor belt 4.
  • the crushing roller 5 comprises two wheels 10, between which the spreading carpet 11 passes, and crushing rods 6, which lie helically between the wheels 10 in the imaginary lateral surface of the roller 5.
  • the roller 5 is thus basically hollow with a central axis of rotation for stabilizing the crushing roller. By this arrangement, a uniform rupture of the scattering carpet 11 is achieved.
  • the helically arranged crushing rods 6 need not necessarily all have the same direction of rotation. On the contrary, it is advantageous even for a uniform rupture of the scattering carpet 11, if individual crushing rods 6 in their screw-shaped direction of rotation differ.
  • a preferred embodiment which in Fig. 4 is shown, provides that the crushing rods 6 do not extend over the entire length of the crushing roller 5, but for example only from each side of the crushing roller 5 to its center. In the middle and / or at other locations of the comminution cylinder 5, further impellers 11 or stabilizing disks 14 may be provided for stabilizing the comminuting rods 6.
  • the crushing rods 6 can have very different cross sections. You can, for example, round rods or, as in Fig. 4 be made of flat steel, in the latter case, the narrow side of the flat steel preferably points radially away from the axis of rotation of the crushing roller 5, so that the crushing rods 6 cut into the spreader carpet 11 from above.
  • Another advantage of the helical arrangement of the crushing rods 6 is the fact that a crushing rod 6 does not immediately with its entire length with the spreader carpet 11 is engaged. This would mean a heavy load and require correspondingly more stable and larger comminution rods 6 with possibly poorer comminution qualities.
  • FIG. 5 shows the crushing roller 5 from Fig. 4 with a mounting plate 15 for fixing the roller 5 to the turntable suspension and with an over the entire width of the roller 5 extending stripper 16, which strips the sticky, crushed mass from the belt, otherwise fixes a considerable portion of the road salt on the conveyor belt.
  • the constancy of the scattering pattern can thus be significantly improved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Fertilizing (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (7)

  1. Dispositif d'épandage de matériau d'épandage, comprenant un distributeur de matériau d'épandage (7), un réservoir à matériau d'épandage (1) comportant une ouverture de répartition de matériau d'épandage (3), et un convoyeur de matériau d'épandage (4) sous forme d'un ruban convoyeur sur lequel un tapis de matériau d'épandage (11) déversé du réservoir à matériau d'épandage (1) à travers l'ouverture de répartition de matériau d'épandage (3) est acheminé au distributeur de matériau d'épandage (7), un broyeur de tapis de matériau d'épandage (5) comprenant un rouleau de broyage étant prévu à l'extérieur du réservoir à matériau d'épandage (1) et avant la fin de convoi du ruban convoyeur (4), caractérisé en ce que le rouleau de broyage (5) possède des barres de broyage (6) disposées dans sa surface d'enveloppe qui s'enfouissent dans le tapis de matériau d'épandage et rompent ce dernier quand le rouleau de broyage tourne.
  2. Dispositif selon la revendication 1, le broyeur de tapis de matériau d'épandage (5) étant agencé à la fin de convoi du ruban convoyeur (4).
  3. Dispositif selon la revendication 1 ou 2, les barres de broyage (6) étant disposées en hélice dans la surface d'enveloppe.
  4. Dispositif selon une des revendications de 1 à 3, le rouleau de broyage (5) tournant sur des roues porteuses (10) qui appuient sur le ruban convoyeur (4) ou sur un rouleau de renvoi (12) du ruban convoyeur (4) à côté du tapis de matériau d'épandage (11).
  5. Dispositif selon une des revendications de 1 à 4, le rouleau de broyage (5) étant actionné de manière forcée par le ruban convoyeur (4) ou par un rouleau de renvoi (12) du ruban convoyeur (4).
  6. Dispositif selon une des revendications de 1 à 5, caractérisé par un racleur (16) agencé dans la direction de transport du ruban convoyeur (4) derrière le broyeur de tapis de matériau d'épandage (5) et destiné à expulser du ruban convoyeur (4), par mouvement de raclage, le tapis de matériau d'épandage (11) broyé.
  7. Véhicule de service d'hiver comprenant un dispositif selon une des revendications de 1 à 6.
EP02029087A 2002-01-03 2002-12-30 Dispositif d'épandage pour un véhicule de service d'hiver Expired - Lifetime EP1327717B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10200087 2002-01-03
DE10200087A DE10200087A1 (de) 2002-01-03 2002-01-03 Streuvorrichtung für Winterdienstfahrzeug

Publications (3)

Publication Number Publication Date
EP1327717A2 EP1327717A2 (fr) 2003-07-16
EP1327717A3 EP1327717A3 (fr) 2003-11-12
EP1327717B1 true EP1327717B1 (fr) 2011-09-14

Family

ID=7711477

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02029087A Expired - Lifetime EP1327717B1 (fr) 2002-01-03 2002-12-30 Dispositif d'épandage pour un véhicule de service d'hiver

Country Status (3)

Country Link
EP (1) EP1327717B1 (fr)
AT (1) ATE524612T1 (fr)
DE (1) DE10200087A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR968362A (fr) * 1948-06-25 1950-11-24 Hardy & Cie Perfectionnements aux dispositifs d'épandage de matériaux granuleux ou pulvérulents
IT1241203B (it) 1990-04-24 1993-12-29 Giletta Michele S P A Dispositivo spargitore di materiali granulari o in polvere atto ad essere montato su un veicolo
DE9304487U1 (fr) 1993-03-24 1993-07-15 Bfi Entsorgungstechnologie Gmbh, 4300 Essen, De
DE29914407U1 (de) 1999-08-17 2000-12-28 Haesler Andreas Austragvorrichtung für Kastenbeschicker
NL1018785C2 (nl) * 2001-08-20 2003-02-24 Nido Universal Machines Bv Inrichting voor het strooien van zout.

Also Published As

Publication number Publication date
EP1327717A3 (fr) 2003-11-12
EP1327717A2 (fr) 2003-07-16
ATE524612T1 (de) 2011-09-15
DE10200087A1 (de) 2003-07-17

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