EP2312056A2 - Dispositif de production de lignes de marquage constituées d'une multitude de portions de matériau de marquage individuelles - Google Patents

Dispositif de production de lignes de marquage constituées d'une multitude de portions de matériau de marquage individuelles Download PDF

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Publication number
EP2312056A2
EP2312056A2 EP10186953A EP10186953A EP2312056A2 EP 2312056 A2 EP2312056 A2 EP 2312056A2 EP 10186953 A EP10186953 A EP 10186953A EP 10186953 A EP10186953 A EP 10186953A EP 2312056 A2 EP2312056 A2 EP 2312056A2
Authority
EP
European Patent Office
Prior art keywords
nozzle
support
individual
elements
compressed air
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
EP10186953A
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German (de)
English (en)
Other versions
EP2312056A3 (fr
EP2312056B1 (fr
Inventor
Frank Hofmann
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.)
Hofmann GmbH Maschinenfabrik und Vertrieb
Original Assignee
Hofmann GmbH Maschinenfabrik und Vertrieb
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Publication date
Application filed by Hofmann GmbH Maschinenfabrik und Vertrieb filed Critical Hofmann GmbH Maschinenfabrik und Vertrieb
Priority to PL10186953T priority Critical patent/PL2312056T3/pl
Publication of EP2312056A2 publication Critical patent/EP2312056A2/fr
Publication of EP2312056A3 publication Critical patent/EP2312056A3/fr
Application granted granted Critical
Publication of EP2312056B1 publication Critical patent/EP2312056B1/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
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/16—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings
    • E01C23/20—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ
    • E01C23/22—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ by spraying
    • E01C23/222—Devices for marking-out, applying, or forming traffic or like markings on finished paving; Protecting fresh markings for forming markings in situ by spraying specially adapted for automatic spraying of interrupted, individual or variable markings

Definitions

  • the invention relates to a device for producing marking lines consisting of many individual marking material portions, wherein the marking material portions are ejectable from a nozzle arrangement connected to a marking material source with a plurality of dispensing nozzles arranged side by side transversely to a direction of movement of the device by means of compressed air blasts.
  • Such a device generates marking lines consisting of rows of small marking material portions of usually two-component marking material, for example on roads.
  • the marking material portions are applied to a nozzle beam apparatus known in the art, which is equipped with a series of nozzles arranged transversely to the direction of movement of the apparatus, which are filled from a marking material source via feed channels with the mixed bi-component marking material and at regular intervals Help from supplied via another channel opening into the nozzle channel compressed air blasts in the direction of the surface to be coated, such as road surface, be emptied.
  • a mixing device Upstream of the nozzle bar of the device is a mixing device to which the two marking material components are supplied, which form a chemically reacting, namely curing mixture during and after the flow through the mixer, which therefore have only a limited residence time in the system until discharge from the nozzles may.
  • the residence time is usually between 5 and 15 minutes, depending on the type of marking material and the mixing ratio set.
  • a first device has a housing bottom provided with outlet openings and a single or a plurality of slides which are displaceable relative to the housing bottom and which periodically change the outlet cross-sections of the outlet openings as the device moves relative to the surface.
  • a second device has a hollow cylinder rotatably drivable in the interior of a housing chamber provided with a passage opening in a housing wall and provided with passages in the cylinder jacket, with its cylinder jacket slidably adjacent to two passage opening edges.
  • the known devices have a number of disadvantages.
  • One of the disadvantages is that the distance of the marking material portions transversely to the longitudinal direction of the marking line is unchangeable.
  • Another drawback is the large amount of detergent used in eliminating clogging of individual nozzles during a marker insert and in cleaning the device after a marker insert has been completed.
  • the likelihood that the marking process must be interrupted due to clogging of one of the many nozzles and the entire system must be freed from reacting marker material mixture by solvent rinse is relatively large.
  • the risk of clogging of one or more nozzles due to incipient hardening of the marking material is also great in a nozzle system in that there is no appreciable clogging of the marking material as clogging begins because the marking material makes its way through the other unclogged nozzles .
  • a hindrance to achieving a high average speed of the marking process is that a blockage must always be eliminated immediately, otherwise curing of the marking material will occur at the blockage site up to its final hardness. The marking material can then be eliminated only mechanically, in the worst case by drilling.
  • the rinsing procedure is very time-consuming, because from the entire system the marking material in mixture and thus in a curing reaction has to be rinsed out, which requires a large amount of rinsing agent at a high flow rate.
  • Detergents are expensive and polluting and must be collected below the nozzles and disposed of as hazardous.
  • the flushing agent seeks the easy path through the unclogged nozzles and often flushes the clogged nozzles and thus often eliminates clogging.
  • the nozzle beam is preceded by a provided with a Mark istsmaterialkanal distributor from which each nozzle of the nozzle beam is supplied via a separate line with marking material.
  • a commercial ball valve is arranged, with which the connection between the material distributor and nozzle can be interrupted.
  • ball valves have the important advantage of the straight passage in the open position for the marking material in reaction, in the blocking position, marking material trapped in the ball bore and between the seals hardens and renders the cock useless.
  • a commercial ball valve needs a supply and a derivative.
  • Ball valves are therefore unsuitable because of their principle of operation and especially in the aforementioned arrangement as a selection valve for switching on and off the marking material supply for the individual nozzles.
  • the ball valves arranged in the known device in the marking material lines to the nozzles are only suitable for flushing the system for the complete flushing of all nozzles, the flushing process starts with all taps on passage and successively those cocks are closed, from the connected Nozzle clean detergent emerges.
  • the nozzles together with their supply lines can thus be rinsed one after the other in the order of their resistance opposite to the detergent.
  • the remaining not flushed nozzles then acts in each case the entire available detergent pressure and that while until each of the least of the remaining resistances is overcome and after the flushing of the respective nozzle her upstream ball valve can be closed.
  • the device After removing a blockage but the device is far from ready to start again. To resume work, the device must again be completely filled with marking material mixture in the correct mixture starting from the mixing device to the nozzles, which is usually required to achieve the correct mixture, a more or less large initial amount in a drip tray ,
  • the object is to provide a device which avoids one or more of the above-mentioned disadvantages of the known devices and with which, individually or in combination with each other, in particular a high readiness to deliver, easy adaptability of the distances of the marking material for the individual case of need and an adjustment of the distances of the marking material portions by the operators of the device on site and the rapid provision of necessary for the various line widths device parts can be achieved.
  • variable and also on the spot in the marker insert variable nozzle arrangement is provided which allows easy and quick adaptation to different requirements in the production of different marking lines from a plurality of marking material portions.
  • the common, continuous support e.g. a beam-shaped profile, carries the individual nozzle elements, which allows a simple and stable construction.
  • each nozzle element is selectively replaceable associated with an individual support member which is expandable with a desired distance to adjacent support members forming spacers to a support beam.
  • a beam of a variable number of variably spaced from one another attachable, each having a nozzle member holding elements is formed.
  • the nozzle elements and the support elements can be efficiently produced and kept in large numbers.
  • the nozzle element in question without a cumbersome rinsing procedure is necessary, replace within a few seconds against a non-clogged nozzle member and perform the clogged nozzle member in due course a separate cleaning with very low detergent consumption.
  • it is possible to effectively reduce both the time required for flushing operations and the consumption of flushing agent in the case of nozzle clogging
  • the spacers are preferably formed by spacers, whereby they are simple and inexpensive to manufacture.
  • the support members and the spacers each have a material passage channel
  • the support members also each have an approximately perpendicular to the material passageway extending, branching off this first Materialaustragkanalabsacrificing and that the support members lined up with the spacers against each other by a clamping device to the support beam can be braced and form a formed by the aligned material passage channels, outwardly dense material supply channel for the nozzle elements.
  • the supply of the nozzles with the marking material is greatly simplified, because now no longer an individual external supply line is required for each nozzle.
  • the clamping device comprising all the nozzle elements to form a nozzle bar can be formed by one or two tension rods. on which the corresponding holes having nozzle elements are pushed. Spacers can be arranged between the nozzle elements. About the thickness and number of the distance between the nozzle elements and thus the nozzle spacing can be adjusted or changed. The bracing can then be done for example by end screwed onto the tie rods clamping nuts.
  • the individual nozzle elements with an unchangeable lateral distance to one another on a common holder can be releasably attached or attached.
  • different brackets can be used.
  • the common holder has a continuous material supply channel and per nozzle member each extending approximately perpendicular to the material supply channel, branching off from this first material discharge channel.
  • the common support may e.g. be a bar-shaped profile to which the support members are attachable.
  • the common holder can also be formed by one or two rods connecting all the holding elements, onto which the holding elements having corresponding bores with interposed spacers are pushed. With the thickness or number of spacers, the distance between the support elements can be adjusted as needed or changed.
  • each nozzle element has a second material discharge channel section which can be selectively brought into and out of flow communication with the first material discharge channel section in the associated holding element or in the common holder.
  • each nozzle element can be pressed by at least one retaining spring to the associated support member or to the common support and thus easily releasably halterbar.
  • the support is advantageously supported by a positive connection between the nozzle element on the one hand and the associated support member or the common support on the other.
  • the invention provides that each nozzle element on the one hand and each associated support member or the common support on the other hand are equipped with cooperating positioning means and / or guide means.
  • each nozzle element for supplying the compressed air surges into the discharge nozzle has an air duct which is inserted directly through the nozzle element or through a nozzle element, preferably releasably inserted Air channel body runs.
  • the first alternative is manufacturing technology particularly simple.
  • an on-demand replacement of the compressed air duct can be achieved by simply replacing the air duct body without the need to replace the entire nozzle member.
  • a further embodiment proposes that the compressed air duct is extended in a tubular manner into the discharge nozzle.
  • the drawing shows in cross-section and in plan view of a known from the prior art device 1 'for generating consisting of many individual marking material portions 11 marking lines 10.
  • a marking material channel 2 'having manifold 2 to a nozzle bar 3 made by flexible lines 4 and 5.
  • a break valve 6 usually in the form of a ball valve.
  • the components of a two-component marking material flow through a (not shown) mixing device and enter as a curing reaction mixture in the marking material channel 2 'in the arrow direction and flow from there via the lines 4 and 5 in the nozzle 7 of the nozzle beam.
  • the constantly forming in the nozzles 7 marking material filling is expelled by compressed air lines 8 supplied compressed air surges.
  • the marking line 10 consisting of a plurality of marking material portions 11 is formed.
  • FIG. 3 to Fig. 21 The drawing shows various embodiments of devices according to the invention 1.
  • the same parts of the device 1 in the FIGS. 3 to 21 provided with the same reference numerals, so not all reference numerals in each drawing figure must be rewritten.
  • FIG. 3 to FIG. 5 a first example of the device 1 is shown. It has a continuous support 15, for example, a rectangular profile made of steel or aluminum, which is seen in its longitudinal direction provided at regular intervals with upstanding pin 16. On the pin 16 individual nozzle elements 17, each with a bore 16 'easily interchangeable and attached with fixed distances from each other. To change the distances of the nozzle elements 17 from each other, the holder 15 can be designed to be interchangeable, with different holders 15 different distances and / or different numbers of pins 16 have.
  • Each nozzle element 17 has an individual marking material supply line 23, which continues in the interior of the nozzle element 17 as a channel 25 as far as a downwardly pointing discharge nozzle 18.
  • FIG. 6 to FIG. 9 a second example of the device 1 is shown.
  • This device 1 again has a continuous holder 15, to which side by side nozzle elements 17 by means of a respective retaining spring 26 releasably and vertically displaceable, but with fixed distances from each other, are clamped.
  • the marking material is supplied to the individual nozzle elements 17 here via individual supply lines 23 and, after flowing through each of a first material discharge channel section 24, arrives in the holder 15 in the in Fig. 6 congruent to this subsequent second Materialaustragkanalabites 25 of the pressed against the holder 15 by the retaining spring 26 nozzle member 17 and through this second Materialaustragkanalabites 25 then to the discharge nozzle 18th
  • the force of the retaining spring 26 is chosen so that the pressure of the marking material in the Materialaustragkanalaboughen 24 and 25 is not able to remove the nozzle member 17 to form a gap from the holder 15.
  • each nozzle member 17 of the displacement path is predetermined and limited to the necessary extent.
  • the nozzle elements 17 are here easily replaceable and take over in cooperation with the holder 15, the function for releasing and interrupting from Mark istsmaterial- or detergent supply to the individual discharge nozzles 18th
  • This device 1 also has a continuous holder 15, on the side by side nozzle elements 17 are mounted releasably and vertically displaceable by means of a respective retaining spring 26.
  • the holder 15 has a continuous material supply channel 30 extending in its longitudinal direction and branching off approximately perpendicularly from this material supply channel 30 per nozzle element 17, each having a first material discharge channel section 24.
  • the marking material is fed to the material supply passage 30 via a respective only partially shown common supply line 23 '.
  • the one supply line 23 'for supplying the marking material and the other supply line 23' serve for supplying rinsing liquid.
  • the compressed air supply also takes place here by means of individual compressed air lines 19 'and a compressed air channel 19 per nozzle unit 17 to each discharge nozzle 18th
  • FIGS. 14 to 17 a fourth example of the device 1 is shown.
  • This device 1 has a number of support members 20 which are pushed with corresponding holes on two tie rods 21.
  • the desired distance of the support members 20 to each other is here with intermediate spacers 22, here spacers set.
  • a nozzle member 17 is detachably arranged, here again clamped by means of a respective retaining spring 26.
  • the marking material is supplied to the individual support elements 20 here via individual supply lines 23 and, after flowing through a first material discharge channel section 24 in the support element 20, enters the in Fig. 14 congruent to this subsequent second Materialaustragkanalabites 25 of the nozzle member 17 and through this second Materialaustragkanalabites 25 to the discharge nozzle 18th
  • FIGS. 14, 15 and 16 It can be seen that the spacers 22 used for adjusting the nozzle spacing between the holding elements 20 have a projection 28 protruding beyond the holding elements 20, which extends laterally Guiding the nozzle elements 17 during their displacement relative to the support members 20 is used.
  • FIGS. 18 to 20 A fifth example of the device 1 is shown.
  • the support members 20 and spacers 22 here each have a material passageway 29, for example in the form of a bore, and each approximately perpendicularly branching off from this material passageway 29 a first material discharge channel section 24.
  • each nozzle member 17 can be individually displaced upwardly to bring the Materialaustragkanalabintroductorye 24 and 25 out of register, thus shutting off the passage.
  • the front ends of the support bar 15 ' are formed by the two end pieces 32 and 33. Via at least one of the end pieces 32, 33, the marking material is fed to the material supply channel 30 through one or two supply lines 23 '.
  • the distribution function of the material supply channel 30 with the function of mountable with variable distance support members 20 and with the blocking function for interrupting Markleitersmaterial- or detergent supply to the individual nozzle elements 17 is advantageous in space and Mark réellesmaterialinhalt saving and thus detergent-saving manner compactly summarized.
  • a sixth and final example of the device 1 is shown. It again has a continuous holder 15, here for example an extruded aluminum. On the holder 15 individual nozzle elements 17 are placed easily replaceable side by side, one of which is visible in cross section. Each nozzle element 17 has an individual marking material supply line 23, which continues in the interior of the nozzle element 17 as a channel 25 as far as a downwardly pointing discharge nozzle 18. Each of its own compressed air duct 19 'and a downwardly continuing compressed air duct 19 each discharge nozzle 18 can be supplied controlled from above compressed air shocks to each eject a Mark istsmaterialportion 11 from the discharge nozzle 18 on the substrate to be marked, such as road.
  • the compressed air channel 19 is not directly through the interior of the nozzle member 17, but by an air channel body 34, which is inserted as a separate item from above into the nozzle member 17, preferably releasably screwed is. Accordingly, here the compressed air line 19 'is connected to the upper end of the air duct body 34.
  • An on-demand replacement of the compressed air channel 19, for example, in case of clogging or wear or to change the cross section of the compressed air channel 19, can be done by simply replacing the air channel body 34 without an exchange of the entire nozzle member 17 is necessary.
  • the compressed air channel 19 is tubular in the discharge nozzle 18 extends into it.
  • the tubular lower part of the compressed air channel 19 projects so far into the discharge nozzle 18, that the free end of the compressed air channel 19 at the level of the mouth of the channel 25 is in the discharge nozzle 18.
  • the outer diameter of the tubular part of the compressed air channel 19 in relation to the inner diameter of the discharge nozzle 18 is so small that the tubular part of the air channel 19 does not hinder the feeding of the marking material from the channel 25 into the discharge nozzle 18.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Coating Apparatus (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
EP10186953.5A 2009-10-12 2010-10-08 Dispositif de production de lignes de marquage constituées d'une multitude de portions de matériau de marquage individuelles Active EP2312056B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10186953T PL2312056T3 (pl) 2009-10-12 2010-10-08 Urządzenie do wytwarzania złożonych z wielu pojedynczych porcji materiału znakującego linii znakujących

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009045576A DE102009045576A1 (de) 2009-10-12 2009-10-12 Vorrichtung zum Erzeugen von aus vielen einzelnen Markierungsmaterialportionen bestehenden Markierungslinien

Publications (3)

Publication Number Publication Date
EP2312056A2 true EP2312056A2 (fr) 2011-04-20
EP2312056A3 EP2312056A3 (fr) 2012-10-24
EP2312056B1 EP2312056B1 (fr) 2018-12-12

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ID=43430988

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10186953.5A Active EP2312056B1 (fr) 2009-10-12 2010-10-08 Dispositif de production de lignes de marquage constituées d'une multitude de portions de matériau de marquage individuelles

Country Status (4)

Country Link
EP (1) EP2312056B1 (fr)
DE (1) DE102009045576A1 (fr)
DK (1) DK2312056T3 (fr)
PL (1) PL2312056T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012221834A1 (de) 2012-11-29 2014-06-05 Hofmann Gmbh Maschinenfabrik Und Vertrieb Verfahren und Vorrichtung zum Erzeugen von Markierungen aus hochviskosem Markierungsmaterial auf einer zu markierenden Oberfläche

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10361531A1 (de) 2003-12-23 2005-07-28 Hofmann Gmbh Maschinenfabrik Und Vertrieb Verfahren und Vorrichtung zur Erzeugung von aus einer Vielzahl von Elementen bestehenden Markierungslinien

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1949765U (de) * 1965-09-11 1966-11-17 Degussa Fahrbare vorrichtung zum auftragen von dauerhaften markierungen auf strassen.
US3589612A (en) * 1969-12-22 1971-06-29 Prismo Universal Corp Modular liquid spray gun
DE2160030A1 (de) * 1971-12-03 1973-06-07 Walter Hofmann Verlegeeinrichtung fuer strassen-markierungsmaterialien
DE4321820C1 (de) * 1993-07-01 1995-01-26 Hofmann Walter Maschf Auftragvorrichtung für Straßenmarkierungsmaschinen für hochviskose Markierungsstoffe
WO1998051864A1 (fr) * 1997-05-15 1998-11-19 Plastiroute S.A. Engin pour marquage routier
AU4839097A (en) * 1997-12-08 1999-06-24 Anton Stembergar Action line marker
US6401976B1 (en) * 2000-03-23 2002-06-11 Nordson Corporation Electrically operated viscous fluid dispensing apparatus and method
NO316123B1 (no) * 2001-06-28 2003-12-15 Trysil Maskin As Markeringsbelegg for vegbaner, parkeringsplasser, vegavkjörsler o l, samt et apparat for avsetting av et slikt markeringsbelegg

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10361531A1 (de) 2003-12-23 2005-07-28 Hofmann Gmbh Maschinenfabrik Und Vertrieb Verfahren und Vorrichtung zur Erzeugung von aus einer Vielzahl von Elementen bestehenden Markierungslinien

Also Published As

Publication number Publication date
DE102009045576A1 (de) 2011-04-14
EP2312056A3 (fr) 2012-10-24
PL2312056T3 (pl) 2019-05-31
DK2312056T3 (en) 2019-04-01
EP2312056B1 (fr) 2018-12-12

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