DE102012000234B4 - Marking machine for applying marking substances, including post-spreading agents, to traffic areas. - Google Patents

Abstract

Marking machine for applying marking substances (7) with subsequent application of Nachstreumitteln (4) on traffic areas comprising a supply tank for Nachstreumittel (18) from which the Nachstreumittel (18) at least one Nachstreumittel application unit, such as a pervert (2) or a bead gun, supplied, characterized in that - the Nachstreumittel application unit is at least partially enclosed by means of a movably arranged, open-sided Einhausungsvorrichtung (1) during the application process, - wherein the Einhausungsvorrichtung (1) on both sides along the Markierungsline, outside of the previously applied, fresh marker fabric (4, 7), close to the road surface (5) is arranged - and the Einhausungsvorrichtung (1) slot-like, close to the ground, the freshly applied marker fabric (4, 7) without contact spanning, narrow recesses (21) exhibit t, which are arranged predominantly transversely to the marking line on the two narrow sides of the housing device (1), - wherein the housing device (1) comprises a movable hose-like suction connection (9) for non-marking material (4, 7) fixed after-scattering means (11) and a Having the sucked Nachstreumittel (11) outside the Einhausungskörpers (1) to the nachströmenden Nachstreumittelversorgung or the supply tank for Nachstreumittel (11).

Description

The invention relates to a marking machine for applying markers according to the preamble of the main claim. 1

For applying horizontal markers on roads, airfields and other traffic areas for years self-propelled marking machines (own motor drive, including onboard power supply to other consumers, such as hydraulic and pressure or vacuum compressors), also known as ride-on machines (English: self-propelled) , and not used self-propelled marking machines. The marking substances are applied with these marking machines for the application process in an unfastened state on the marking substrate (asphalt-bonded ceilings = black ceilings or concrete ceilings).

In addition, factory-prepared marking films are applied by hand-guided or by means of special, self-propelled film laying machines. The invention does not relate to the marking devices or machines for the application of marking films.

Horizontal road markings are an important factor in road safety and traffic management in the field of public road transport. In Germany, the ZTV M 02 (Additional Technical Terms of Contract and Guideline for Marking on Roads), together with DIN EN 1436, regulates the material and laying requirements for road markings.

The road markings (outside the group of marking foils) are subdivided into marking inks, cold and thermoplastic products, the multi-component cold plastics and the thermoplastic products being applied in a layer thickness of up to 7 mm. Thermoplastic and cold plastic markings are incorporated with a continuous flat, non-textured surface or structured top (agglomerate markers).

The TL M 06 - Technical Delivery Conditions for Marking Materials - the Research Association for Road and Transportation, Traffic Management and Traffic Safety Working Group, Edition 2006, FGSV Verlag GmbH, describes, among other things, the various marking substances:
According to the TL M 06, point 2.4. Among other things, the "... Reflective bodies and grip agents and Nachstreumittelgemische ..." under the generic term "Beistoffe" summarized. Under point 2.4.4. "Reflective body" is the definition "... Reflective bodies are untreated or treated glass beads or other bodies ...". "... and / or be sprinkled with the application and serve the generation of the Nachtsichtbarkeit ...".

The cold plastic markings are made on the basis of solvent-free methyl methacrylates, the chemical reaction process is triggered by the mixing of the powdery or in liquid form peroxide hardener, or this hardener starts a no longer reversible chemical reaction of the cold plastic (thermoset material).

The solvent-free thermoplastic markings are melted for installation to temperatures up to 220 C and applied mainly on asphalt surfaces. Due to this installation temperature, the formed on bituminous base materials, or formulated thermoplastic melts with the asphalt surface, and upon cooling, a coherent film forms.

Thermoplastics markings are thus laid without melting of a chemical, irreversible reaction only by melting.

In the case of color markings, one- and two-component marking inks must be distinguished. The one-component colors differ again in those with organic solvents and the water colors (solvent: water). Both types of products dry physically after application and incorporation of the NSM. The two-component marking inks dry initially by the escape of solvents physically, and at the same time the chemical reaction is started by the previously added addition of the most liquid hardener.

These described marking products are applied in non-solid form (liquid to viscoplastic) on the road surface and provided with Nachstreumitteln (retroreflective glass beads, partially mixed with grip agents, sprinkled in a drop-on process).

With the markings of at least 1 mm thick, a distinction is made between the markings placed in a milling groove and the markings placed directly on the road surface. In most cases, the inserted markers are thermoplastic products.

In addition, factory-made marking films are used as Type I and Type II markings, which are glued on site by means of appropriate primers on the road surface. These marking films are not the subject of the invention.

The traffic properties of road markings are grip, visibility, night visibility in dry conditions (type I marking) and night visibility in wet or damp conditions (type II marking). Type I markings are subdivided into non-structured thermoplastics or cold plastic markings and color markings on top.

The type II markings are usually made with a top side evenly or irregularly structured surface. For type II markings also cold plastics, thermoplastics and color markings are used. Color markings can not be laid as an agglomerate marking due to the product.

In particular, the two parameters: Night visibility wet and dry are of the post-scattered (drop-on process) and partially in the marking compound factory-mixed, retroreflective glass beads (beads mixed in as premix beads) or dependent on reflection elements. For many markers, the NSMs consist of reflective elements or beads with factory-made grip materials. The grip materials used exclusively for increased slip resistance show no reflection properties.

The official test certificates of the Federal Highway Research Institute (BASt) describe the testing of a marking system on the concentricity test rig of BASt (RPA), the traffic requirements for marking systems (grip, night visibility, dry and damp, day visibility and roll over) according to DIN EN 1436 (" Requirements for markings on roads "). The test certificate continues to classify the tested marking system in the various "traffic classes". The traffic classes indicate the maximum number of vehicle rollovers reached (up to class P7 with 4 million rollovers) up to which the minimum requirements of the abovementioned "traffic properties" are still met.

By the term "marking system" is meant the label with the applied NSM. Both product groups are to be applied with predetermined consumption quantities in the course of application with the marking machine. When applying the marker, no or only minor application losses occur. In the case of NSM, however, a not inconsiderable proportion of the pearl / grip agents do not enter the surface of the marking substance.

These NSM are used in the dark of the retroreflection of the vehicle light back to the driver. In the ideal case, the reflection beads or reflection elements should penetrate into the marking surface with about 50-60% of their diameter. The retroreflection of the incident with a flat input angle vehicle light takes place after the light beam is refracted according to the refraction angle of the glass body, at the mostly white back of the reflection body. The white reflection surface is formed by the marker, in which the reflection body is partially penetrated and fixed. Therefore, the application of Reflektelelemten or beads in the fresh, just applied marking material for reasons of Nachsichtbarkeit (dry and wet or wet) is necessary.

Depending on the marking type and the corresponding test certificates for the marking system, the NSM consist only of reflection bodies or of these mixed with non-reflective grip means.

This application of the NSM is usually done by bead spinning or bead guns. These devices are firmly connected to the marking machine for each application process, with the machine personnel having to adjust the bead spinning or bead gun with respect to the mounting height above the pavement, the distance to the application unit of the marker etc. per order and specifications. These adjustments also include the amount of NSM consumed.

According to the state of the art, the bead blower or bead gun is mounted freely above the pavement without further cladding. Likewise, according to the publications, brochures or technical descriptions of the manufacturers or suppliers of plodders or pear guns and the manufacturers of fully equipped marking machines, a device for receiving the NSM not fixed in the marking substance is not known.

The bead blower consists essentially of two arranged at a small distance or without gap, counter-driven rubber rollers. Both rollers are driven by the same drive source. The NSMs are filled in above the rollers. The roller rotations cause NSM acceleration, causing the bead-type putter fixedly attached to the marking machine between about 8-20 cm above the marker to shoot the NSM onto the marking surface at high speed. In most cases, the plodders work with an additional increase in acceleration supported by compressed air. The air pressure is adjustable and also influences the applied amount of NSM.

The roller speed is adjusted via variable sprocket ratios to the different NSM consumption specifications. Via an impeller, which is passed over the road surface and thus picks up the driving speed, the translation input speed is given proportional to the vehicle speed. The desired transmission output speed (= roller speed) can be set via various sprocket sizes. This technique always ensures the same amount of NSM (per m ^{2 of} marking area) regardless of the driving speed of the marking machine. It is also referred to in this context by a "path-dependent application", meaning the speed-independent maintenance of the NSM application amount.

The bead gun achieves NSM acceleration through compressed air assist. By changing the air pressure or by other adjustment options, the NSM consumption amount can be varied. The speed-independent maintenance of the NSM application amount is achieved in addition to the adjustable air pressure by means of the impeller gear ratios previously described as an example.

In the bead-spinning and bead-gun variants, the required amount of NSM is measured before application and adjusted to the specifications via the various gear ratios. For this purpose, an NSM collecting vessel or a collection bag is attached to the bottom outlet of the plodder or bead gun. Thereafter, the marking machine travels a stroke length corresponding to one square meter of marking area (for example, 0.1 m ready for painting: 10 m to be traveled). The collected amount of NSM is weighed and compared with the test certificate specifications. In case of deviations other gear ratios are used. In the case of bead spinning, exemplary NSM consumption quantities of about 100 to 1000 g / m ^{2 are} feasible.

This usually allows a reasonable consumption approach to the test certificate specifications to be achieved. The NSM collection process described thus takes place lossless, it is all the bead gun or pear thrower leaving NSM collected and weighed. However, this measured amount of NSM does not correspond to the amount of NSM subsequently incorporated in the marker.

Under EP0225653 A2 On the one hand the procedure for the NSM consumption measurement before the application is described. Furthermore, there is already the difference between the pre-measured amount of NSM and then actually applied in the marker surface NSM amount with the formulation: "... Such a test, however, even if it is carried out very carefully, no assurance whether the amount of beads detected during the test has actually been scattered during laying throughout the day's output ... ".

In addition to the initial setting of the marking machine, the ZTV M 02 also demands the regular execution of self-monitoring to be logged in the context of marking orders. This is under 6.1.2.1. "Self-monitoring during execution" in the ZTV M 02 described.

The ZTV M 02 regulates under point 5.2 "Application of Marking Substances" with reference to the NSM: "... The post-scattering agents must be evenly distributed over the surface and embedded sufficiently deep in the marking substance. The quantity of post-emergence agent specified in the test certificate must not be less than ... "and then" ... The after-spreading agents must be applied with an application device which ensures a uniform distribution of the after-grit .... "

The application width of the bead spin or bead guns should correspond to the applied line width of the marker. The bead blowers or bead guns must be aligned with the marking line.

However, the ZTV M 02 does not deal with the usual application-related NSM losses.

Problem of the prior art

According to the state of the art, the application units for the marking substance and the NSM bead spinning or bead guns without separating element are arranged one behind the other along the driving or marking direction. This leads in practice to contamination of the marker substance application unit by the NSM bead blower or bead gun and vice versa. Furthermore, the adjacent components of the marking machine are contaminated with marking material glued NSM residues.

The NSM are accelerated at the bead gun by adding air pressure, similar to the atomizing spray technique, to ensure NSM embedding in the marker. In the case of bead spinning, an acceleration roller (metal tube with a series of metal webs mounted perpendicularly on the carrier tube) is usually arranged below the counter-rotating double rollers (also often referred to as "quantity metering rollers"). This accelerator roller is mostly operated by air pressure and accelerates the NSM to the necessary speed. Thus cause Nipples and pearlesks are subject to air pressure induced NSM swirls and thus NSM losses, which are not averted by the current state of the art.

It comes in stronger winds to a blown NSM beam, a part of the NSM thus does not reach the surface of the marker. According to experience, the strong air movements caused by passing lorries at highway markings also lead to undesired deflections of the NSM jet.

In particular, in the application of marking inks (also applies to the application of cold spray plastic = KSP), the two techniques: airless or air spray application are applied. In both processes, strong air currents or air turbulences occur, which can likewise lead to NSM drifts in the closely spaced NSM application.

In the case of agglomerate markings consisting of thermoplastics or cold plastic products, the marking substance is not deliberately applied over the entire line width. The "Merkblatt für Agglomeratmarkierungen" of the Forschungsgemeinschaft für Straßen- und Verkehrwesen, Traffic Management and Traffic Safety Working Group, issue 2006, FGSV Verlag GmbH, describes the agglomerate markings in more detail. In the case of the agglomerate markings, up to 40 of the road surface are deliberately not covered with marking substance in the course of the marking application in accordance with the specifications in the said leaflet. The resulting gaps allow better water removal from the marking surface on the adjacent road surface. Above all, this flank area, which is not closed and interrupted, creates sufficient flank areas.

These non-horizontal, agglomerate flanks sprinkled with NSM remain longer protected against damage caused by over-travel, in particular the flank areas are less damaged by snowplough overruns. The flank surfaces also provide improved retroreflection values (after-visibility values dry, wet or moist).

When shedding a thermoplastic or Kaltplastikagglomeratmarkierung systemically hit part of the NSM on the unmarked road surface or an existing solid marker color and are thrown from there uncontrolled because of the high kinetic energy of the impinging NSM of the marking surface away.

In the case of the agglomerate markings and in the case of all other marking types to be applied over the entire surface, an NSM fraction which is not exactly quantifiable passes outside the lateral marking delimitations on the road surface because of the usual open, disguising-free assembly of the NSM bead spinning or bead guns and therefore jumps uncontrollably away from the marking surface. This can currently be detected with any NSM application. Partially, the NSM jump up to 2 meters high, so wear many machine operators goggles against this beading.

Thus, the uncontrollably rebounding from the road surface NSM even pose a risk of injury to the machine personnel or other, nearby people.

These loss pearls are usually slightly retroreflective after passing the marking machine, sometimes "sparkling", recognizable on both sides of the marking up to a width of 40 cm. This quantity of NSM, which is not included in the marking substance, is accepted in marking practice as an unavoidable deviation from the previously determined loss-free NSM application quantity (1 m ² -NSM consumption quantity determination described above).

The ZTV M 02 demands under point 5.2. "Application of Marking Agents" u. a .: "... The quantity of post-emergence agent specified in the test certificate must not be less than ..." However, the ZTV M 02 does not address the previously described state of the art inevitable NSM losses. No corresponding NSM consumption surcharge for the wastage is described. There is also no precise procedure described in the regulations as to whether or how the application-related NSM losses could be measured or compensated.

In marking practice, it is only possible with additional testing effort to determine the amount of NSM actually fixed on the marking surface and thus the loss of NSM. For this purpose, previously balanced test plates, if possible with and without NSM, should be marked with the machine. Due to the differences in weight taking into account the marked test plate surface, the integrated quantity of NSM can be determined. The NSM loss can be determined by comparison with the pre-marker lossless 1 m ² SNM consumption measurement. The ZTV M 02 describes under point 6.1.3.2 - control tests during the application - the control measurements by means of such sample carriers. However, the problem of NSM losses is not explicitly addressed in the ZTV M 02.

In addition to the losses mentioned, the amount of NSM released by the plodder or pearl gun changes during one working day more often, without being noticed or controlled by the machine personnel. Due to the many ancillary components, the compressors, etc., the marking machines generate vibrations which can lead to changes in the quantities of NSM released by the plodder or pearling gun.

In addition, there is the possibility of fluctuating air pressure in the machine's own compressed air supply, this too can lead to changes in the applied amount of NSM. The machine personnel can hardly detect changes in the applied quantities of NSM during driving.

The manufacturers of marking machines and the suppliers of bead-spinning or beadguns are equally indifferent to NSM losses in their publications, as is the case with the manufacturers of tested marking systems (tracer with NSM).

From the publication EP 0 682 149 A2 For example, there is disclosed a dual component sprayer for road markings comprising a spray gun having both a nozzle for the paint component and an outlet for other components such as hardeners, beads or sand. It is possible in this way to achieve with this one spray gun the paint application of the road marking as well as the simultaneous application of these additional components. The aim of this disclosure is to design the spray gun so that an easy cleaning of this spray gun by disassembly is possible, so that even rapidly interacting mixtures of example color components and hardener do not lead to clogging of the spray gun.

A disadvantage of this arrangement, however, is that only guide surfaces are described for the application of paint, which limit the alignment of the mark. The exiting additional components such as beads or sand are guided by the guide surface laterally, however, remains a significant amount of not bound in color components that remain as loose on the road surface as NSM losses and can not be used for further use.

Against this background, it is an object of the present invention to provide a marking machine for applying markers and NSM on traffic areas, which eliminates the aforementioned disadvantages. It should thus be a significant reduction of application-related NSM loss, in conjunction with increased environmental friendliness, a lower risk of accidents, improved transport properties of the applied label (including higher values of dry and wet measurable night visibility) can be achieved.

This is intended to considerably reduce the previous difference between the NSM consumption quantity mentioned in the test certificate and the loss-free determined amount of NSM (1 m ² SNR capture measurement) on the one hand and the NSM losses customary in practice on the other hand.

The invention makes it possible for the first time to bring the quantities of NSM consumed by the client in accordance with the test certificates with an acceptable and relatively constant NSM loss rate onto the surface of the marking substance.

The invention described in the claims represents a significant improvement of the prior art described above.

This is achieved according to the invention by means of the attachment of a movably arranged, open at the bottom Einhausungsvorrichtung enclosing the Nachstreumittel application unit during the application process in whole or in part, the Einhausungsvorrichtung both sides along the marking line, outside the previously applied, fresh marker, close to the road surface is arranged and the Einhausungsvorrichtung slit-like, close to the ground, the freshly applied marker has contactless spanning, narrow recesses, which are arranged mainly transverse to the marking line on the two narrow sides of the Einhausungsvorrichtung, wherein the Einhausungsvorrichtung includes a movable hose-like Absaugverbindung for not fixed in the marker Nachstreumittel and a supply of the extracted Nachstreumittel outside of the housing body to the nachströmenden nachstreumittelversorgung o which has to the supply tank for Nachstreumittel.

The inventive Einhausungsvorrichtung allows in conjunction with a suction device for not fixed in the marker NSM for the first time a reuse of these previous NSM loss amounts.

Particularly in the case of the use of bead guns, the housing device according to the invention, by means of slot-like recesses, makes it possible to specifically divert the air overpressure present in the housing device to the outside. These two slot-like recesses thereby direct a portion of the NSM, not already embedded in the marker, outside the enclosure, primarily longitudinally across the marking surface. This can be a part of this through the slit-like recesses transported NSM before or behind the housing device still embed in the marking surface.

The Einhausungsvorrichtung is in the lowest working position ziehkastenähnlich out or just over the road surface.

The Einhausungsvorrichtung can be moved in an advantageous design by means of mechanical guide components from a rest position to a working position and vice versa, so that they do not obstruct the setting, maintenance and control settings on the Nachstreumittel application units above or outside the bead gun or plodder in the rest position ,

In the working position, the housing device completely or partially encloses the bead gun or bead blower. The NSM supply connections of the bead gun or bead blower are guided through the housing device in such a way that the operation of the bead gun or bead blower remains ensured.

Advantageously, the operability of the bead gun or bead blower is ensured, regardless of whether the housing device is in the rest or working position or between these two end positions.

The Einhausungsvorrichtung is advantageous from the beginning when building a marking machine or as an attachment to existing marking machines feasible. The necessary for the operation of Einhausungsvorrichtung electrical, pneumatic and / or hydrauliche Engerieversorgung is also present on older, self-propelled marking machines.

The housing device according to the invention is easily adapted to the respective structural and technical conditions. The Einhausungsvorrichtung works largely maintenance-free and low-wear. Depending on the units used, it is therefore necessary to create differently dimensioned enclosures in order to perform the function safely while at the same time not hindering the marking function.

The marking machine, including the Nachstreumittel application unit can also be used when the Einhausungsvorrichtung is moved to the rest position.

Particularly in the application of bar-gap markings (usually interrupted center markings or wider block markings), the housing device in the gap area, in which it is not marked, can be raised slightly above the road surface to be marked. This reduces the wear on the slide rails.

The Absaugfunktion the Einhausungsvorrichtung can remain by means of appropriate control after completion of the marking application for a short distance in operation with a time delay, so that the rate of aspirated, not included in the marker Nachstreumittel is increased.

By an in and / or outside, elastic cladding or coating of Einhausungsvorrichtung damage to the bouncing NSM on the inner wall are avoided in an advantageous design, and at the same time reduces such an elastic cladding resulting noise emissions.

The Einhausungsvorrichtung may have appropriate recesses or openings in an appropriate design, especially when using Perlschleudern through which the bead spin drive shaft is guided. Most of the plodders are driven by an impeller that is forced over the pavement and at the same time ensuring the speed-independent, consistent NSM application rate of the plodder.

Also in the structural variant with the bead gun application such wheels are used to ensure a speed-independent, constant NSM application amount. Therefore, can be avoided by the described openings in the outer wall of the Einhausungsvorrichtung complex power transmission techniques here. These impellers are usually equipped with a coupling that makes it possible to ensure rapid switching on and off of the NSM application in stroke-gap applications. The coupling components are located outside of the invention Einhausungsvorrichtung.

In one embodiment of the housing device, the lower end face (including one of the slot-like openings) pointing in the direction of travel and thus marking direction can be designed to be somewhat raised and running. This undesirable placement of this driving direction side end face of the Einhausungsvorrichtung is avoided on uneven ceiling surfaces. This objective can also be achieved by placing the entire housing device raised in the direction of travel.

The invention is in all marking products such as cold plastics, cold spray, thermoplastic, thermosetting plastic and the color markings in which NSM in the freshly applied Marking surface are introduced, can be used advantageously.

The invention enables the increased use of higher quality NSM, in particular of reflective beads or elements with a higher refractive index and thus with a higher night visibility. The significantly lower NSM loss rate makes the use of these higher-priced reflection beads or elements economically and technically sensible.

In recent years, agglomerate tags to be produced more with cold plastic and hot plastic products have been incorporated. These agglomerate markings are produced by deliberately interrupted individual labeling elements. According to ZTV M 02, no marking substance is applied to a maximum of 40% of the base area to be marked. As already described above, however, the NSMs applied over the entire surface partially deflect from the road surface in an uncontrolled manner and thus do not reach the marking surface, or only with a reduced shot velocity. The use according to the invention of the housing device and the NSM collection and reuse option thus ensured reduce the NSM loss in the case of agglomerate markings so significantly.

Furthermore, there is an advantage in that the systemic property of the containment device is a relatively constant amount of NSM due to the interaction of containment, NSM evacuation, and NSM repatriation in the event of unwanted changes in the output NSM delivered by the posttreatment agent application unit to guide on the marking surface. That is, should be given by fluctuations about too much NSM and thus more than can absorb the mark, so this does not lead to losses, since so only the rate of the recycled NSM increases, but they remain in the system.

In an inventive design horizontally extending slot-like recesses of the Einhausungsvorrichtung are provided, which allow overflow of the Einhausungsvorrichtung on the freshly applied marking area and can serve depending on the prevailing in the Einhausungsvorrichtung air pressure conditions either the ventilation or venting.

The background to this is that the air-pressure-promoting bead gun generates a strong air flow and thus overpressure in the housing device. This excess air, mixed with NSM, makes sense to increase the suction power and / or open additional openings in the containment device, perhaps with metal nets retaining the NSM. Part of the overpressure will be able to escape through the flat slits above the fresh mark. These slots should therefore also be conveniently adjustable in the slot height. In the plodder without compressed air support, less pressure / NSM will escape through the two slot openings.

Hereinafter, the embodiment of the invention by means of three drawings is described in detail. The drawings show in terms of a better visibility of the fiction related details no air pressure driven acceleration roller, as it is usually mounted below the opposing double metering rollers. Likewise, the drawing of the Nachstreumittel supply tank was omitted.

Show it

1 a section through the narrow side of the Einhausungsvorrichtung, according to section BB (see 3 ), shown in the lower working position and

2 a section through the narrow side of the Einhausungsvorrichtung in the upper rest position and

3 a longitudinal section through the Einhausungsvorrichtung, according to section AA (see 1 ).

In 1 is the enclosure 1 Recognizable, in a bead spinner 2 is arranged, which has a chain drive wheel 3 is driven. The representation corresponds to the section BB (according to FIG 3 ).

The enclosure 1 is just above the one with a marker 4 provided road surface 5 , where the enclosure 1 in this exemplary design via slide rails 6 is guided, which is on the road surface 5 support. The illustrated three figures do not show the application unit for the marker 7 ,

The enclosure 1 has on the two end faces depending on a lower slot-like openings 21 on. These openings 21 prevent the contact of the enclosure 1 with the marker 7 or the NSM-postmarked marker 4 ,

On the street ceiling 5 recognizable is a freshly applied road marking with "drop-on" Nachstreummeln (NSM) 4 that comes from the ping-pong 2 within the enclosure 1 on the fresh mark 7 be applied. The NSM are the pear thrower 2 within the plodder supply tube 8th supplied on the top side 18 , The supply pipe 8th is with the NSM reservoir, not shown on the marking machine connected. The supply pipe 8th serves in addition to the management of the enclosure 1 with the help of the sliding tube 12 That on the housing top 1 is attached when the enclosure 1 from rest to working position and vice versa.

Above are in the enclosure 1 by way of example, two tubular return connections 9 for the non-tracer NSM 11 arranged. These hose-like return connections 9 be outside the enclosure 1 together 22 and are with the enclosure 1 over the two connection possibilities 10 connected. In this way, the enclosure causes 1 on the one side, an orientation of the applied NSM, so that laterally on the inside of the enclosure 1 incident NSM are returned to the marking surface, thereby increasing the rate of NSM remaining on the marking surface.

On the other side is the bead blower 2 Protected against external influences, especially wind, causing the orientation of the pervelent 2 is improved. Finally, the effect within the enclosure 1 arranged suction that NSM, not in the marking surface 4 respectively. 7 be integrated, recorded and on the transport route 23 , inside the NSM supply pipe 8th , as NSM supply 18 , which means that no or few NSMs are released into the environment unused and thus the NSM utilization rate is improved, which contributes to a cost reduction.

The enclosure 1 , with the sliding tube attached to it 12 , is from the rest position to this working position along the plodder supply pipe 8th and with the help of the frame 13 , which is part of the not fully illustrated mechanical guide components, has been spent.

The two bead spinning rollers 14 be over the axis 15 from the sprocket 3 driven. The sprocket 3 is about the chain drive 16 connected to an impeller, not shown. The impeller gets over the road surface 5 forcibly guided and picks up the speed there.

The enclosure 1 is by means of the side of the enclosure 1 mounted slide rails guided over the road surface.

The one on the enclosure 1 fixed frame 13 is part of the not fully illustrated mechanical guide components.

2 shows the bead blower 2 in the position as in 1 shown. The enclosure 1 was moved to the higher resting position. This is previously fixed on the enclosure 1 attached sliding tube 12 along the bead blower supply pipe 8th been brought into this higher resting position. The bead blower 2 is also usable in this configuration, but then significantly less NSM in the surface of the marker 7 embedded.

In this configuration, the protection against wind induced NSM drift is missing, a part of the NSM goes unused into the environment. The NSM usage rate is according to the operation according to 1 reduces and thus the night visibility of the marking surface 4 (dry and wet measurable) lower.

Furthermore, larger deviations of the NSM consumption quantity prescribed in the test certificates compared to the embedded NSM quantity are to be expected. The NSM application, without the protection of the housing placed in the working position 1 , makes it necessary for the operator of the marking machine wearing safety goggles against high-jumping NSM for reasons of safety at work.

3 shows the inner longitudinal structure of the enclosure 1 according to the section AA (see 1 ). The bead blower 2 transports the top through the NSM supply pipe 8th upcoming NSM 18 through two opposing rollers 14 with elastic surface on the marking surface 7 , Not shown is usually additionally in the plodder 2 installed, often compressed air powered accelerator roll.

Right before the housing is the application unit, not shown for the marker 7 , The NSMs not embedded in the marking surface 11 be outside the enclosure 1 over the two connection possibilities 10 the two hose-like return connections 9 and then the NSM supply 18 fed.

The wheel 19 exemplifies the two opposing rollers 14 within the plodder 2 at. This wheel 19 is over the axis 15 with the outside of the enclosure 1 located Kettenantriebsrad 3 connected. The enclosure 1 shows a slit-like opening at the side 20 through which the axis 15 to be led. This allows the enclosure 1 over the bead blower 2 be spent when the ping-pong 2 is in its lower working position.

Furthermore, this slit-like opening allows 20 the enclosure 1 that the enclosure 1 can be brought steplessly in all conceivable positions between working and rest position.

Exemplary is the NSM extraction 11 not into the marking surface 7 embedded NSM over the two connection possibilities 10 , the transport route 23 and finally back to NSM care 18 shown.

LIST OF REFERENCE NUMBERS

1

housing

2

Perlschleuder

3

Sprocket

4

Marker with NSM

5

pavement

 6

slides

 7

Marker without NSM

8th

Perlschleuder service pipe

9

Back connection

 10

connection options

 11

NSM

 12

sliding tube

 13

frame

 14

Perlschleuderwalzen

 15

axis

 16

chain drive

 18

NSM supply

 19

wheel

 20

slit-like opening

 21

openings

 22

Junction point

 23

transport distance

Claims (11)

Marking machine for applying marking substances ( 7 ) with subsequent application of Nachstreumitteln ( 4 ) on traffic areas comprising a supply tank for post-emergence agents ( 18 ), from which the Nachstreumittel ( 18 ) at least one post-spreading agent application unit, for example a plodder ( 2 ) or a bead gun, characterized in that - the after-spreading agent application unit is arranged by means of a movably arranged, on the underside open Einhausungsvorrichtung ( 1 ) is at least partially enclosed during the application process, - wherein the Einhausungsvorrichtung ( 1 ) on both sides along the marking line, outside the previously applied, fresh marker ( 4 . 7 ), just above the road surface ( 5 ) - and the housing device ( 1 ) slot-like, ground-level, the freshly applied marker ( 4 . 7 ) Non-contact spanning, narrow recesses ( 21 ), which are predominantly transverse to the marking line on the two narrow sides of the housing device ( 1 ) are arranged, - wherein the Einhausungsvorrichtung ( 1 ) a movable hose-like suction connection ( 9 ) for not in the marker ( 4 . 7 ) fixed Nachstreumittel ( 11 ) and a supply of the sucked Nachstreumittel ( 11 ) outside the housing body ( 1 ) to the nachströmenden Nachstreumittelversorgung or to the supply tank for Nachstreumittel ( 11 ) having. Marking machine for applying marking substances ( 7 ) with subsequent application of Nachstreumitteln ( 4 ) on traffic areas according to claim 1, characterized in that - the housing device ( 1 ) can be brought from a adjustment position on the Nachstreumittel application unit non-obstructing rest position by means of mechanical guide components in a working position, - wherein the rest position of the movably arranged Einhausungsvorrichtung ( 1 ) may be below, above or laterally offset from the post-spreading agent application unit. Marking machine for applying marking substances ( 4 . 7 ) with subsequent application of Nachstreumitteln traffic areas according to claim 1 or 2, characterized in that the Nachstreumittel application unit and the other functional units of the marking machine without lowering and thus use of the Einhausungsvorrichtung ( 1 ) are functional and so by the Einhausungsvorrichtung ( 1 ) are hindered in any operating position. Marking machine for applying marking substances ( 4 . 7 ) with subsequent application of Nachstreumitteln traffic areas according to one of claims 2 or 3, characterized in that - the Einhausungsvorrichtung ( 1 ) can be moved from the rest position to the working position and vice versa when the marking machine is stationary and / or moving, the suction function not being used in the marking substance ( 4 . 7 ) fixed post-emergence agent ( 11 ) can be switched off and on in the rest and working position. Marking machine according to one of the preceding claims, characterized in that - the Nachstreumittel-suction installation in and / or outside the Einhausungsvorrichtung ( 1 ), the post-diffuser extraction installations being retrofitted on or in the enclosure device as required ( 1 ), and at least one movable hose-like suction connection ( 9 ) between the housing device ( 1 ) and the re-injection point as a return possibility of the sucked Nachstreumittel ( 11 ) in the transport route ( 18 ) of the post-flow or post-conveyed post-emergence agent ( 18 ) is available. Marking machine according to one of the preceding claims, characterized in that - the inside of the housing device ( 1 ) in whole or in part with an elastic, the impact energy of the impacting Nachstreumittel ( 11 ) is provided with damping lining, - and / or the outside of the enclosure device ( 1 ) is fully or partially equipped with an elastic, fixed or removable, the sound level reducing cladding or coating. Marking machine according to one of the preceding claims, characterized in that the horizontally extending slot-like recesses ( 21 ) of the housing device ( 1 ), which is an overpass of the housing device ( 1 ) over the freshly applied marking area ( 4 . 7 ), depending on the housing device ( 1 ) prevailing air pressure conditions either the ventilation or can serve. Marking machine according to one of the preceding claims, characterized by - a height-related adjustment possibility of the two slot-like recesses ( 21 ) of the housing device ( 1 ) above the freshly applied marker ( 4 . 7 ) and - by the presence of optionally further openable recesses in the surface of the housing device ( 1 ) with or without net-like, air-permeable design of the recesses, the removal of excess air pressure (especially in air-pressure-based promotion of the Nachstreumittel) from the Einhausungsvorrichtung ( 1 ) to the outside. Marking machine according to one of the preceding claims, characterized in that a stepless height-related adjustment possibility of the housing device ( 1 ) above the background to be marked ( 5 ) is possible. Marking machine according to one of the preceding claims, characterized in that movable and / or fixed supply units, the drive shaft ( 15 ) of the post-spreading agent application unit as well as other supply and control connections between the marking machine and the post-scattering agent application unit by the housing device ( 1 ), that there is no use restriction for the post-emergence application unit. Marking machine according to one of the preceding claims 2-10, characterized in that the housing device ( 1 ) in the working position by means of sliding or rolling elements ( 6 ) on the side of the marking surface ( 4 . 7 ) over the underground of the traffic area to be marked ( 5 ) to be led.

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