EP2993277B1 - Device for cleaning and/or inspecting a flow channel - Google Patents

Device for cleaning and/or inspecting a flow channel Download PDF

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Publication number
EP2993277B1
EP2993277B1 EP15002553.4A EP15002553A EP2993277B1 EP 2993277 B1 EP2993277 B1 EP 2993277B1 EP 15002553 A EP15002553 A EP 15002553A EP 2993277 B1 EP2993277 B1 EP 2993277B1
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EP
European Patent Office
Prior art keywords
accordance
hollow piston
hose
nozzle
channel
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EP15002553.4A
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German (de)
French (fr)
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EP2993277A1 (en
Inventor
Karl Wiedemann
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
    • E03F9/002—Cleaning sewer pipes by mechanical means
    • E03F9/005—Apparatus for simultaneously pushing and rotating a cleaning device carried by the leading end of a cable or an assembly of rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E03F7/10—Wheeled apparatus for emptying sewers or cesspools
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing

Definitions

  • the invention relates to a device for cleaning and / or inspection of a flow channel, in particular a sewer, with an insertable into the channel, can be acted upon with high-pressure rinse water flushing hose, which is connected at its front end to a at least with a recoil effect generating jet nozzles provided channel nozzle, which is steerable by rotation about its axis.
  • An arrangement of this kind is for example from the DE 10 2011 120 152 A1 known.
  • a hose receiving means provided for receiving a flushing hose supply and designed as a reel is rotated about an axis parallel to the longitudinal axis of the outflowing flushing hose.
  • the reel is for this purpose mounted by means of a rotary joint at the rear of a carrier vehicle and rotatable by means of a drive device. All of the reel associated supply lines and the flushing water line must be performed centrally through the swivel joint. This proves to be very expensive and prone to failure.
  • a further disadvantage of the known arrangement is that it must then be rotated over its entire length in order to effect a rotation of the nozzle nozzle of this receiving flushing hose, which has an unfavorable effect on the achievable accuracy.
  • the flushing hose acted upon by high-pressure flushing water has a torsion spring property which is small but not completely negligible, so that a certain twisting results with a rotation of the flushing hose with increasing length, which causes a precise rotation of the duct nozzle difficult and therefore can lead to errors in the angle of rotation.
  • the known arrangement therefore proves to be not easy, trouble-free and accurate enough.
  • the DE 20 2012 011 773 U1 shows a flushing hose with interconnected by a coupling sections.
  • the coupling comprises a housing element and an engagement element engaging therein, wherein the engagement element is designed as a hollow ball element, which is assigned a receiving dome provided on the housing side in order to allow mutual movement of the two rinsing hose sections around axes of movement extending transversely to the flow axis.
  • the two elements of the clutch unit are locked against each other A rotational movement about the Spülschlauchachse is therefore transmitted from the rear hose section on the front hose section.
  • the flushing hose therefore has to be twisted overall for rotation of the duct nozzle, which leads to the above-mentioned disadvantages with regard to construction, accuracy and susceptibility to failure.
  • flushing hose is divided into at least two sections which are interconnected by a high-pressure flushing water coupling unit, which is connected to a flushing hose section housing element and axially movable in this, connected to the other flushing hose section Hollow piston element, wherein the housing member and the hollow piston member are supported by a spring against each other and cooperate via an axial movement into a rotary motion converting transducer means.
  • the flushing hose receiving device can therefore be arranged in an advantageous manner stationary, which greatly simplifies the structure and prevents a susceptibility to interference.
  • Another particular advantage of the measures according to the invention is also to be seen in that the clutch unit according to the invention easily and without major. Expenditure can be retrofitted, so that even existing arrangements for cleaning end inspection of flow channels can be equipped with the device according to the invention for rotating the front Spülschlauchabitess and attached thereto nozzle nozzle, which widens their potential applications and thus overall good economy results.
  • the hollow piston element has a circumferentially cooperating with the housing element head and a stepped neck therethrough, which passes through an associated, the housing-side Spellerschlauchan gleich opposite housing opening and connected with its outside thereof, facing away from the head end with the associated Spellerschlauchabites is.
  • the gradation of the hollow piston element results in an advantageous manner also within the Housing element an annular space in which the spring is placeable.
  • This can therefore be expediently designed as a helical compression spring, which comprises the inner region of the neck of the hollow piston element and is guided thereby, which can have an advantageous effect on the reliability.
  • a further advantageous measure may consist in that the transducer device is designed as a link arrangement, which has a provided on the one hand spiral groove and on the other hand provided, engaging in the spiral groove sliding element. This can be accomplished advantageously larger angle of rotation.
  • a particularly preferable Ausgestattung the above measures may consist in that the housing member are provided with an internal thread and the hollow piston member with an external thread engaging therewith. This measure not only results in a favorable producibility, but also leads advantageously to a reliable mutual engagement and thus to a reliable power transmission.
  • the clutch unit is arranged with a comparatively small distance of preferably 1-3 meters in front of the duct nozzle. This ensures that on the one hand, the mobility of the nozzle nozzle is not restricted by the clutch unit and that on the other hand no significant twisting of the leading from the coupling unit to the nozzle nozzle Spülschlauchabitess takes place.
  • FIG. 1 shows a section of a sewer system with an accessible via a shaft 1 channel 2, in which a high-pressure rinse water acted flushing hose 3 and a charged with induced draft suction hose 4 are introduced.
  • the flushing hose 3 carries at its front end provided with jet nozzles 5 channel nozzle 6. It can be provided forward and backward jet nozzles 5, from which in each case a high pressure water jet 7 emerges during operation.
  • the pressure of the high-pressure rinse water is in the order of 100-150 bar.
  • a forwardly directed beam serves to loosen dirt deposits 8.
  • the rays 7 emerging backwards cause a further loosening of the dirt deposits 8 and a recoil drive of the nozzle nozzle 6 and a flotation of the loosened dirt to the lowered to the sole of the channel 2 end of the suction hose 4 out.
  • the duct nozzle 6 can be provided with a lighting and camera device 9. On a forward emerging beam can also be dispensed with.
  • the rear jet nozzles 5 are expediently arranged asymmetrically with respect to the nozzle axis such that, in addition to the propulsion force, an upward force acting on the nozzle nozzle 6 results, so that the channel nozzle 6 is at a desired distance from the channel bottom
  • the flushing hose 3 is attached by the at its front end, by the recoil effect of the jet 7 propelled channel nozzle 6 fed into the channel 2.
  • the flushing hose 3 is withdrawn from a hose receiving device receiving a hose reservoir 10. This is formed in the example shown as a reel, which is attached to a carrier vehicle, in the example shown in the form of a sewer cleaning vehicle 11. This is provided in the example shown with a rotatable arm 12, which carries the hose receiving device 10.
  • the suction hose 4 which can be lowered with its front, open end to the channel bottom, can also be associated with a receiving device, not shown here in detail, accommodating a hose supply, for example in the form of a horizontal reel.
  • the lowerable into the channel suction hose 4 runs through a trunk 13 of the boom 12 into the channel.
  • the carrier vehicle here in the form of the sewer cleaning vehicle 11, contains a flushing water tank 15, to which a high-pressure pump 16, which supplies the flushing hose 3 with high-pressure flushing water, is connected on the suction side, which can produce a water pressure of 100-150 bar.
  • the flushing water tank 15 is separated in the example shown by an advantageously evacuated sludge tank 17, in which the suction hose 4 opens with its upper end, about which the extracted from the channel 2 water-dirt mixture is thrown into the sludge tank 17.
  • the duct nozzle 6 has to be rotated about its axis, for example to separate a tree root that has grown into the channel 2, or to channel the duct nozzle 6 into a lateral duct branch 2a, for example in the form of a domestic connection.
  • the channel nozzle 6 is rotated about its axis, that the rearwardly directed, emerging from the jet nozzles 5 arranged asymmetrically to the nozzle jet 7 cause a lateral force, whereby the channel nozzle 6 is directed into the lateral Kanala ownede Trent 2a.
  • the flushing hose 3 is divided into two sections 3a, 3b, which are interconnected by a flushed by flushing water coupling unit 18, by means of which a rotation of the front, the nozzle nozzle 6 supporting portion 3a in response to the pressure of the flushing hose 3 flowing through high-pressure rinse water can be effected.
  • the clutch unit 18 is, as best of FIG. 2 It can be seen from a connected to a hose section, here to the rear, coming from the hose receiving device 10 hose section 3a housing member 19 and a movable in this in the axial direction, to the other portion of the flushing hose 3, here to the nozzle nozzle 6 leading hose section 3b connected hollow piston element 20 which cooperates with the housing member 19 via an axial movement converting transducer means and is supported by a spring 21 thereto.
  • the hollow piston member 20 has a circumferentially cooperating with the inner circumference of a bore of the housing member 19 piston head 22 and a contrast stepped neck 23, which passes through a housing-side hose connection opposite frontal housing opening 24 and with its outer end with the facing rear end of the nozzle nozzle 6 leading Spülschlauchabitess 3b is connected.
  • a housing-side hose connection opposite frontal housing opening 24 and with its outer end with the facing rear end of the nozzle nozzle 6 leading Spülschlauchabitess 3b is connected.
  • this can simply be embodied as a helical compression spring which counteracts the water pressure and is supported on the one hand on the step of the hollow piston element 20 and on the other hand on a closure of the housing element 19 formed by a cover, etc., and is guided through the neck 23.
  • the above-mentioned converter device for converting an axial movement into a rotary movement is expediently designed as a slide arrangement, which has a spiral groove provided on the one hand and a slide element provided on the other hand, which is in engagement therewith.
  • the link arrangement is designed as a threaded connection.
  • the housing element 19 are provided with an internal thread 26 extending over at least part of the length of its interior, and the hollow piston element 20 is provided with an external thread 27 which is in engagement therewith and associated with the piston head.
  • the thread groove of the housing-side internal thread 26 as a spiral groove and the threaded ridge of the piston-side external thread 27 as hereby engaged sliding member.
  • the pitch of the spiral groove or the thread pitch is of course outside the self-locking region, so that an axial displacement of the hollow piston member 20 automatically leads to a rotation of the hollow piston member 20.
  • a device appropriately associated with the high-pressure pump 16 for changing the pressure of the high-pressure rinse water and a display device for displaying the momentarily acting pressure are provided.
  • a pressure change can be accomplished simply by changing the speed of the high pressure pump 16.
  • the display device can be designed as a manometer, which can be expediently provided with a scale for the angle of rotation.
  • a rotation of 90 ° is sufficient.
  • a rotation angle range of about 180 ° is sufficient. Since under certain circumstances several pipe branches can come one behind the other, a slightly larger rotation angle range than 180 ° is expediently provided.
  • a rotation angle range of 360 ° -450 ° is sufficient for most cases.
  • the subdivision of the flushing hose 3 in the two sections 3a and 3b can basically be done anywhere in the entire flushing hose length. A multiple subdivision of the flushing hose 3 would be conceivable. Suitably, this subdivision and thus the positioning of the clutch unit 18 takes place in a region close to the channel nozzle 6, so that the front tube section 3b is substantially shorter than the rearward tube section 3a.
  • the length of the hose section 3b and accordingly the removal of the nozzle nozzle 6 from the clutch unit 18 should on the one hand be large enough to ensure sufficient, independent of the clutch unit 18 mobility of the nozzle 6 and on the other hand small enough to neglect a Tordmaschine in the region of the hose section 3b can.
  • a length of the front tube portion 3b and, accordingly, a length of the Distance between the nozzle nozzle 6 and clutch unit 18 in the range of about 1-3 m meets the above requirements.
  • this adjacent coupling unit 18 can also be provided with such a camera device.
  • a plurality of camera devices can also be assigned.

Description

Die Erfindung betrifft eine Vorrichtung zur Reinigung und/oder Inspektion eines Strömungskanals, insbesondere eines Abwasserkanals, mit einem in den Kanal einführbaren, mit Hochdruck-Spülwasser beaufschlagbaren Spülschlauch, der mit seinem vorderen Ende an eine zumindest mit eine Rückstoßwirkung erzeugenden Strahldüsen versehene Kanaldüse angeschlossen ist, die durch Drehung um ihre Achse lenkbar ist.The invention relates to a device for cleaning and / or inspection of a flow channel, in particular a sewer, with an insertable into the channel, can be acted upon with high-pressure rinse water flushing hose, which is connected at its front end to a at least with a recoil effect generating jet nozzles provided channel nozzle, which is steerable by rotation about its axis.

Eine Anordnung dieser Art ist beispielsweise aus der DE 10 2011 120 152 A1 bekannt. Zur Drehung der Kanaldüse wird dabei der diese tragende Spülschlauch insgesamt verdreht. Hierzu wird bei der bekannten Anordnung eine zur Aufnahme eines Spülschlauchvorrats vorgesehene, als Haspel ausgebildete Schlauchaufnahmeeinrichtung um eine zur Längsachse des auslaufenden Spülschlauchs parallele Achse gedreht. Die Haspel ist hierzu mittels eines Drehgelenks am Heck eines Trägerfahrzeugs angebracht und mittels einer Antriebseinrichtung verdrehbar. Alle der Haspel zugeordneten Versorgungsleitungen sowie die Spülwasserleitung müssen dabei zentrisch durch das Drehgelenk durchgeführt werden. Dies erweist sich als sehr aufwendig und störanfällig. Ein weiterer Nachteil der bekannten Anordnung besteht darin, dann hier zur Bewerkstelligung einer Drehung der Kanaldüse der diese aufnehmende Spülschlauch insgesamt auf seiner ganzen Länge gedreht werden muss, was sich ungünstig auf die erzielbare Genauigkeit auswirkt. In diesem Zusammenhang ist nämlich davon auszugehen, dass der mit Hochdruck-Spülwasser beaufschlagte Spülschlauch eine zwar kleine aber doch nicht vollständig zu vernachlässigende Torsionsfedereigenschaft aufweist, so dass sich bei einer Drehung des Spülschlauchs mit zunehmender Länge eine gewisse Tordierung ergibt, was eine genaue Drehung der Kanaldüse erschwert und daher zu Fehlern bezüglich des Drehwinkels führen kann. Die bekannte Anordnung erweist sich daher als nicht einfach, störungsfrei und genau genug.An arrangement of this kind is for example from the DE 10 2011 120 152 A1 known. For rotation of the nozzle nozzle while this carrying purge hose is rotated in total. For this purpose, in the known arrangement, a hose receiving means provided for receiving a flushing hose supply and designed as a reel is rotated about an axis parallel to the longitudinal axis of the outflowing flushing hose. The reel is for this purpose mounted by means of a rotary joint at the rear of a carrier vehicle and rotatable by means of a drive device. All of the reel associated supply lines and the flushing water line must be performed centrally through the swivel joint. This proves to be very expensive and prone to failure. A further disadvantage of the known arrangement is that it must then be rotated over its entire length in order to effect a rotation of the nozzle nozzle of this receiving flushing hose, which has an unfavorable effect on the achievable accuracy. In this context, namely, it can be assumed that the flushing hose acted upon by high-pressure flushing water has a torsion spring property which is small but not completely negligible, so that a certain twisting results with a rotation of the flushing hose with increasing length, which causes a precise rotation of the duct nozzle difficult and therefore can lead to errors in the angle of rotation. The known arrangement therefore proves to be not easy, trouble-free and accurate enough.

Die DE 20 2012 011 773 U1 zeigt einen Spülschlauch mit durch eine Kupplung miteinander verbundenen Abschnitten. Die Kupplung enthält ein Gehäuseelement und ein in dieses eingreifendes Eingriffselement, wobei das Eingriffselement als Hohlkugelelement ausgebildet ist, dem eine gehäuseseitig vorgesehene Aufnahmekalotte zugeordnet ist, um eine gegenseitige Beweglichkeit der beiden Spülschlauchabschnitte um quer zur Strömungsachse verlaufende Bewegungsachsen zu ermöglichen. In Drehrichtung um die Spülschlauchachse sind die beiden Elemente des Kupplungsaggregats gegeneinander verriegelt Eine Drehbewegung um die Spülschlauchachse wird daher vom hinteren Schlauchabschnitt auf den vorderen Schlauchabschnitt übertragen. Auch bei dieser bekannten Anordnung muss daher zur Drehung der Kanaldüse der Spülschlauch insgesamt verdreht werden, was zu den oben bereits genannten Nachteilen hinsichtlich Bauweise, Genauigkeit und Störungsanfälligkeit führt.The DE 20 2012 011 773 U1 shows a flushing hose with interconnected by a coupling sections. The coupling comprises a housing element and an engagement element engaging therein, wherein the engagement element is designed as a hollow ball element, which is assigned a receiving dome provided on the housing side in order to allow mutual movement of the two rinsing hose sections around axes of movement extending transversely to the flow axis. In the direction of rotation about the Spülschlauchachse the two elements of the clutch unit are locked against each other A rotational movement about the Spülschlauchachse is therefore transmitted from the rear hose section on the front hose section. Even with this known arrangement, the flushing hose therefore has to be twisted overall for rotation of the duct nozzle, which leads to the above-mentioned disadvantages with regard to construction, accuracy and susceptibility to failure.

Hiervon ausgehend ist es die Aufgabe der vorliegenden Erfindung, eine Vorrichtung eingangs erwähnter Art mit einfachen und kostengünstigen Mitteln so zu verbessern, dass nicht nur eine einfache und kostengünstige Bauweise erreicht wird, sondern auch eine störungsarme und genaue Arbeitsweise gewährleistet sind.On this basis, it is the object of the present invention to improve a device of the type mentioned with simple and inexpensive means so that not only a simple and inexpensive construction is achieved, but also a low-interference and accurate operation are guaranteed.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass der Spülschlauch in wenigstens zwei Abschnitte unterteilt ist, die durch ein vom Hochdruck-Spülwasser durchströmbares Kupplungsaggregat miteinander verbunden sind, das ein an einem Spülschlauchabschnitt angeschlossenes Gehäuseelement und ein in diesem axial beweglich angeordnetes, an den anderen Spülschlauchabschnitt angeschlossenes Hohlkolbenelement aufweist, wobei das Gehäuseelement und das Hohlkolbenelement durch eine Feder aneinander abgestützt sind und über eine eine Axialbewegung in eine Drehbewegung umsetzende Wandlereinrichtung zusammenwirken.This object is achieved in that the flushing hose is divided into at least two sections which are interconnected by a high-pressure flushing water coupling unit, which is connected to a flushing hose section housing element and axially movable in this, connected to the other flushing hose section Hollow piston element, wherein the housing member and the hollow piston member are supported by a spring against each other and cooperate via an axial movement into a rotary motion converting transducer means.

Mit diesen Maßnahmen lassen sich die Nachteile des eingangs geschilderten Standes der Technik vollständig vermeiden. Durch den Druck des Hochdruck-Spülwassers wird der Spülschlauch nicht nur in radialer Richtung beansprucht, sondern auch in axialer Richtung. Mittels dieser Längskraft werden die beiden Elemente des Kupplungsaggregats in axialer Richtung gegeneinander verschoben, wobei die Axialbewegung mit Hilfe der Wandlereinrichtung in eine Drehbewegung umgesetzt wird. Es ist daher in vorteilhafter Weise möglich, durch Änderung des Drucks des Hochdrucksprühwassers eine Drehbewegung des die Kanaldüse tragenden Spülschlauchabschnitts gegenüber dem rückwärtigen Spülschlauchabschnitt zu bewerkstelligen. Eine Drehbewegung des gesamten Spülschlauchs einschließlich Schlauchaufnahmeeinrichtung etc. ist hier in vorteilhafter Weise nicht erforderlich. Die Spülschlauchaufnahmeeinrichtung kann daher in vorteilhafter Weise stationär angeordnet sein, was den Aufbau stark vereinfacht und einer Störanfälligkeit vorbeugt. Ein weiterer, besonderer Vorteil der erfindungsgemäßen Maßnahmen ist auch darin zu sehen, dass das erfindungsgemäße Kupplungsaggregat leicht und ohne größeren. Aufwand nachrüstbar ist, so dass auch bereits vorhandene Anordnungen zur Reinigung end Inspektion von Strömungskanälen mit der erfindungsgemäßen Vorrichtung zur Drehung des vorderen Spülschlauchabschnitts und der hieran angebrachten Kanaldüse ausgestattet werden können, was deren Einsatzmöglichkeiten verbreitert und damit insgesamt eine gute Wirtschaftlichkeit ergibt.With these measures, the disadvantages of the initially described prior art can be completely avoided. By the pressure of the high pressure rinse water the flushing hose is not only stressed in the radial direction, but also in the axial direction. By means of this longitudinal force, the two elements of the clutch assembly are displaced in the axial direction against each other, wherein the axial movement is converted by means of the transducer device into a rotational movement. It is therefore possible in an advantageous manner, by changing the pressure of the high-pressure spray water, to effect a rotary movement of the flushing hose section carrying the duct nozzle with respect to the rear flushing hose section. A rotational movement of the entire flushing hose including hose receiving device, etc. is not required here in an advantageous manner. The flushing hose receiving device can therefore be arranged in an advantageous manner stationary, which greatly simplifies the structure and prevents a susceptibility to interference. Another particular advantage of the measures according to the invention is also to be seen in that the clutch unit according to the invention easily and without major. Expenditure can be retrofitted, so that even existing arrangements for cleaning end inspection of flow channels can be equipped with the device according to the invention for rotating the front Spülschlauchabschnitts and attached thereto nozzle nozzle, which widens their potential applications and thus overall good economy results.

Vorteilhafte Ausgestaltungen und zweckmäßige Fortbildungen der übergeordneten Maßnahmen sind in den Unteransprüchen angegeben.Advantageous embodiments and expedient developments of the higher-level measures are specified in the subclaims.

So kann zweckmäßig vorgesehen sein, dass das Hohlkolbenelement einen umfangsseitig mit dem Gehäuseelement zusammenwirkenden Kopf und einen hiergegen abgestuften Hals aufweist, der eine zugeordnete, dem gehäuseseitigen Spülschlauchanschluss gegenüberliegende Gehäuseöffnung durchsetzt und mit seinem außerhalb hiervon sich befindenden, vom Kopf abgewandten Ende mit dem zugeordneten Spülschlauchabschnitt verbunden ist. Hierbei ergibt sich ein sinnfälliger Anschluss des Kupplungsaggregats an die einander zugewandten Enden der beiden Spülschlauchabschnitte. Infolge der Abstufung des Hohlkolbenelements ergibt sich in vorteilhafter Weise zudem innerhalb des Gehäuseelements ein Ringraum, in welchem die Feder platzierbar ist. Diese kann daher zweckmäßig als Schraubendruckfeder ausgebildet sein, die den inneren Bereich des Halses des Hohlkolbenelements umfasst und hierdurch geführt ist, was sich vorteilhaft auf die Betriebssicherheit auswirken kann.Thus, it can be expediently provided that the hollow piston element has a circumferentially cooperating with the housing element head and a stepped neck therethrough, which passes through an associated, the housing-side Spülschlauchanschluss opposite housing opening and connected with its outside thereof, facing away from the head end with the associated Spülschlauchabschnitt is. This results in a meaningful connection of the clutch unit to the mutually facing ends of the two Spülschlauchabschnitte. As a result of the gradation of the hollow piston element results in an advantageous manner also within the Housing element an annular space in which the spring is placeable. This can therefore be expediently designed as a helical compression spring, which comprises the inner region of the neck of the hollow piston element and is guided thereby, which can have an advantageous effect on the reliability.

Eine weitere vorteilhafte Maßnahme kann darin bestehen, dass die Wandlereinrichtung als Kulissenanordnung ausgebildet ist, die eine einerseits vorgesehene Spiralnut und ein andererseits vorgesehenes, in die Spiralnut eingreifendes Gleitelement aufweist. Hiermit lassen sich in vorteilhafter Weise auch größere Drehwinkel bewerkstelligen.A further advantageous measure may consist in that the transducer device is designed as a link arrangement, which has a provided on the one hand spiral groove and on the other hand provided, engaging in the spiral groove sliding element. This can be accomplished advantageously larger angle of rotation.

Eine besonders zu bevorzugende Ausgestattung der vorstehend genannten Maßnahmen kann darin bestehen, dass das Gehäuseelement mit einem Innengewinde und das Hohlkolbenelement mit einem hiermit im Eingriff stehenden Außengewinde versehen sind. Diese Maßnahme ergibt nicht nur eine günstige Herstellbarkeit, sondern führt in vorteilhafter Weise auch zu einem zuverlässigen gegenseitigen Eingriff und damit zu einer zuverlässigen Kraftübertragung.A particularly preferable Ausgestattung the above measures may consist in that the housing member are provided with an internal thread and the hollow piston member with an external thread engaging therewith. This measure not only results in a favorable producibility, but also leads advantageously to a reliable mutual engagement and thus to a reliable power transmission.

In weiterer Fortbildung der übergeordneten Maßnahmen kann vorgesehen sein, dass das Kupplungsaggregat mit vergleichsweise kleinem Abstand von vorzugsweise 1-3 Metern vor der Kanaldüse angeordnet ist. Hierdurch wird sichergestellt, dass einerseits die Beweglichkeit der Kanaldüse durch das Kupplungsaggregat nicht eingeschränkt wird und dass andererseits keine nennenswerte Tordierung des vom Kupplungsaggregat bis zur Kanaldüse führenden Spülschlauchabschnitts erfolgt.In a further development of the higher-level measures can be provided that the clutch unit is arranged with a comparatively small distance of preferably 1-3 meters in front of the duct nozzle. This ensures that on the one hand, the mobility of the nozzle nozzle is not restricted by the clutch unit and that on the other hand no significant twisting of the leading from the coupling unit to the nozzle nozzle Spülschlauchabschnitts takes place.

Weitere vorteilhafte Ausgestaltungen und zweckmäßige Fortbildungen der übergeordneten Maßnahmen sind in den restlichen Unteransprüchen angegeben und aus der nachstehenden Beispielsbeschreibung anhand der Zeichnung näher entnehmbar.Further advantageous embodiments and expedient developments of the parent measures are specified in the remaining subclaims and from the following description of the example with reference to the drawing closer.

In der nachstehend beschriebenen Zeichnung zeigen:

Figur 1
eine schematische Darstellung einer erfindungsgemäßen Vorrichtung zur Kanalreinigung und/oder -inspektion und
Figur 2
eine vergrößerte, schematische Darstellung des die Abschnitte des unterteilten Spülschlauchs miteinander verbindenden Kupplungsaggregats der Anordnung gemäß Figur 1.
In the drawing described below:
FIG. 1
a schematic representation of a device according to the invention for channel cleaning and / or inspection and
FIG. 2
an enlarged, schematic representation of the sections of the divided flushing hose interconnecting clutch assembly of the arrangement according to FIG. 1 ,

Die Figur 1 zeigt einen Abschnitt eines Abwasserkanalsystems mit einem über einen Schacht 1 zugänglichen Kanal 2, in den ein mit Hochdruck-Spülwasser beaufschlagter Spülschlauch 3 und ein mit Saugzug beaufschlagter Saugschlauch 4 eingeführt sind. Der Spülschlauch 3 trägt an seinem vorderen Ende eine mit Strahldüsen 5 versehene Kanaldüse 6. Dabei können nach vorne und nach hinten gerichtete Strahldüsen 5 vorgesehen sein, aus denen im Betrieb jeweils ein Hochdruckwasserstrahl 7 austritt. Der Druck des Hochdruckspülwassers liegt in der Größenordnung von 100-150 bar.The FIG. 1 shows a section of a sewer system with an accessible via a shaft 1 channel 2, in which a high-pressure rinse water acted flushing hose 3 and a charged with induced draft suction hose 4 are introduced. The flushing hose 3 carries at its front end provided with jet nozzles 5 channel nozzle 6. It can be provided forward and backward jet nozzles 5, from which in each case a high pressure water jet 7 emerges during operation. The pressure of the high-pressure rinse water is in the order of 100-150 bar.

Ein nach vorne gerichteter Strahl dient dabei der Lockerung von Schmutzablagerungen 8. Die nach rückwärts austretenden Strahlen 7 bewirken eine weitere Lockerung der Schmutzablagerungen 8 sowie einen Rückstoßantrieb der Kanaldüse 6 und eine Flotation des gelockerten Schmutzes zum bis auf die Sohle des Kanals 2 abgesenkten Ende des Saugschlauches 4 hin. Zur Durchführung einer Kanalinspektion kann die Kanaldüse 6 mit einer Beleuchtungs- und Kameraeinrichtung 9 versehen sein. Auf einen nach vorne austretenden Strahl kann dabei auch verzichtet werden.A forwardly directed beam serves to loosen dirt deposits 8. The rays 7 emerging backwards cause a further loosening of the dirt deposits 8 and a recoil drive of the nozzle nozzle 6 and a flotation of the loosened dirt to the lowered to the sole of the channel 2 end of the suction hose 4 out. To carry out a duct inspection, the duct nozzle 6 can be provided with a lighting and camera device 9. On a forward emerging beam can also be dispensed with.

Die rückwärtigen Strahldüsen 5 sind zweckmäßig bezüglich der Düsenachse derart unsymmetrisch angeordnet, dass sich zusätzlich zur Vortriebskraft auch eine auf die Kanaldüse 6 wirkende, nach oben gerichtete Kraft ergibt, so dass sich die Kanaldüse 6 in einem gewünschten Abstand von der Kanalsohle befindetThe rear jet nozzles 5 are expediently arranged asymmetrically with respect to the nozzle axis such that, in addition to the propulsion force, an upward force acting on the nozzle nozzle 6 results, so that the channel nozzle 6 is at a desired distance from the channel bottom

Der Spülschlauch 3 wird von der an seinem vorderen Ende angebrachten, durch die Rückstoßwirkung der Strahlen 7 vorangetriebenen Kanaldüse 6 in den Kanal 2 eingezogen. Der Spülschlauch 3 wird dabei von einer einen Schlauchvorrat aufnehmenden Schlauchaufnahmeeinrichtung 10 abgezogen. Diese ist im dargestellten Beispiel als Haspel ausgebildet, die an einem Trägerfahrzeug, im dargestellten Beispiel in Form eines Kanalreinigungsfahrzeugs 11 angebracht ist. Dieses ist im dargestellten Beispiel mit einem drehbaren Ausleger 12 versehen, der die Schlauchaufnahmeeinrichtung 10 trägt.The flushing hose 3 is attached by the at its front end, by the recoil effect of the jet 7 propelled channel nozzle 6 fed into the channel 2. The flushing hose 3 is withdrawn from a hose receiving device receiving a hose reservoir 10. This is formed in the example shown as a reel, which is attached to a carrier vehicle, in the example shown in the form of a sewer cleaning vehicle 11. This is provided in the example shown with a rotatable arm 12, which carries the hose receiving device 10.

Dem Saugschlauch 4, der mit seinem vorderen, offenen Ende bis zur Kanalsohle absenkbar ist, kann ebenfalls eine hier nicht näher dargestellte, einen Schlauchvorrat aufnehmende Aufnahmevorrichtung, beispielsweise in Form einer liegenden Haspel etc., zugeordnet sein. Der in den Kanal absenkbare Saugschlauch 4 läuft über einen Rüssel 13 des Auslegers 12 in den Kanal ab.The suction hose 4, which can be lowered with its front, open end to the channel bottom, can also be associated with a receiving device, not shown here in detail, accommodating a hose supply, for example in the form of a horizontal reel. The lowerable into the channel suction hose 4 runs through a trunk 13 of the boom 12 into the channel.

Das Trägerfahrzeug, hier in Form des Kanalreinigungsfahrzeugs 11. enthält einen Spülwassertank 15, an den eine den Spülschlauch 3 mit Hochdruck-Spülwasser versorgende Hochdruckpumpe 16 saugseitig angeschlossen ist, die einen Wasserdruck von 100 - 150 bar erzeugen kann. Der Spülwassertank 15 ist im dargestellten Beispiel von einem vorteilhaft evakuierbaren Schlammbehälter 17 getrennt, in den der Saugschlauch 4 mit seinem oberen Ende einmündet, worüber das aus dem Kanal 2 abgesaugte Wasser-Schmutzgemisch in den Schlammbehälter 17 eingeworfen wird.The carrier vehicle, here in the form of the sewer cleaning vehicle 11, contains a flushing water tank 15, to which a high-pressure pump 16, which supplies the flushing hose 3 with high-pressure flushing water, is connected on the suction side, which can produce a water pressure of 100-150 bar. The flushing water tank 15 is separated in the example shown by an advantageously evacuated sludge tank 17, in which the suction hose 4 opens with its upper end, about which the extracted from the channel 2 water-dirt mixture is thrown into the sludge tank 17.

Im Betrieb kommt es vor, dass die Kanaldüse 6 um ihre Achse gedreht werden muss, um z.B. eine in den Kanal 2 hineingewachsene Baumwuzel abzutrennen, oder die Kanaldüse 6 in eine seitliche Kanalabzweigung 2a, beispielsweise in Form eines Hausanschlusses etc., hinein zu lenken. Hierzu wird die Kanaldüse 6 so um ihre Achse gedreht, dass die nach hinten gerichteten, aus den asymmetrisch zur Düsenachse angeordneten Strahldüsen 5 austretenden Strahlen 7 eine Seitenkraft bewirken, wodurch die Kanaldüse 6 in die seitliche Kanalabzweigung 2a hineingelenkt wird. Die Drehung der Kanaldüse 6 erfolgt mittels Drehung des die Kanaldüse 6 tragenden Spülschlauchs 3. Um jedoch nicht den gesamten Spülschlauch 3 drehen zu müssen, ist der Spülschlauch 3 in zwei Abschnitte 3a, 3b unterteilt, die durch ein vom Spülwasser durchströmbares Kupplungsaggregat 18 miteinander verbunden sind, mittels dessen eine Drehung des vorderen, die Kanaldüse 6 tragenden Abschnitts 3a in Abhängigkeit vom Druck des den Spülschlauch 3 durchströmenden Hochdruck-Spülwassers bewirkt werden kann.In operation, it may happen that the duct nozzle 6 has to be rotated about its axis, for example to separate a tree root that has grown into the channel 2, or to channel the duct nozzle 6 into a lateral duct branch 2a, for example in the form of a domestic connection. For this purpose, the channel nozzle 6 is rotated about its axis, that the rearwardly directed, emerging from the jet nozzles 5 arranged asymmetrically to the nozzle jet 7 cause a lateral force, whereby the channel nozzle 6 is directed into the lateral Kanalabzweigung 2a. The rotation of the nozzle nozzle 6 takes place However, in order not to have to rotate the entire flushing hose 3, the flushing hose 3 is divided into two sections 3a, 3b, which are interconnected by a flushed by flushing water coupling unit 18, by means of which a rotation of the front, the nozzle nozzle 6 supporting portion 3a in response to the pressure of the flushing hose 3 flowing through high-pressure rinse water can be effected.

Das Kupplungsaggregat 18 besteht, wie am besten aus Figur 2 erkennbar ist, aus einem an einen Schlauchabschnitt, hier an den rückwärtigen, von der Schlauchaufnahmeeinrichtung 10 kommenden Schlauchabschnitt 3a angeschlossenen Gehäuseelement 19 und einem in diesem in axialer Richtung beweglichen, an den anderen Abschnitt des Spülschlauchs 3, hier an den zur Kanaldüse 6 führenden Schlauchabschnitt 3b angeschlossenen Hohlkolbenelement 20, das mit dem Gehäuseelement 19 über eine eine Axialbewegung umsetzende Wandlereinrichtung zusammen wirkt und durch eine Feder 21 hieran abgestützt ist.The clutch unit 18 is, as best of FIG. 2 It can be seen from a connected to a hose section, here to the rear, coming from the hose receiving device 10 hose section 3a housing member 19 and a movable in this in the axial direction, to the other portion of the flushing hose 3, here to the nozzle nozzle 6 leading hose section 3b connected hollow piston element 20 which cooperates with the housing member 19 via an axial movement converting transducer means and is supported by a spring 21 thereto.

Das Hohlkolbenelement 20 besitzt einen umfangsseitig mit dem Innenumfang einer Bohrung des Gehäuseelement 19 zusammenwirkenden Kolbenkopf 22 und einen hiergegen abgestuften Hals 23, der eine dem gehäuseseitigen Schlauchanschluss gegenüberliegende stirnseitige Gehäuseöffnung 24 durchsetzt und mit seinem äußeren Ende mit dem zugewandten rückwärtigen Ende des zur Kanaldüse 6 führenden Spülschlauchabschnitts 3b verbunden ist. In Folge der Abstufung zwischen Kolbenkopf 22 und Hals 23 ergibt sich innerhalb des Gehäuseelements 19 ein Ringraum 25, in welchem die Feder 21 platziert werden kann. Diese kann dementsprechend einfach als den Hals 23 umfassende, dem Wasserdruck entgegenwirkende Schraubendruckfeder ausgebildet sein, die sich einerseits an der Stufe des Hohlkolbenelements 20 und andererseits an einem z.B. durch einen Deckel etc. gebildeten Verschluss des Gehäuseelements 19 abstützt und durch den Hals 23 geführt wird.The hollow piston member 20 has a circumferentially cooperating with the inner circumference of a bore of the housing member 19 piston head 22 and a contrast stepped neck 23, which passes through a housing-side hose connection opposite frontal housing opening 24 and with its outer end with the facing rear end of the nozzle nozzle 6 leading Spülschlauchabschnitts 3b is connected. As a result of the gradation between the piston head 22 and the neck 23 results in an annular space 25 within the housing member 19, in which the spring 21 can be placed. Accordingly, this can simply be embodied as a helical compression spring which counteracts the water pressure and is supported on the one hand on the step of the hollow piston element 20 and on the other hand on a closure of the housing element 19 formed by a cover, etc., and is guided through the neck 23.

Die oben genannte Wandlereinrichtung zur Umsetzung einer Axialbewegung in eine Drehbewegung ist zweckmäßig als Kulissenanordnung ausgebildet, die eine einerseits vorgesehene Spiralnut und ein andererseits vorgesehenes, hiermit im Eingriff stehendes Gleitelement aufweist. Im dargestellten Beispiel ist die Kulissenanordnung als Gewindeverbindung ausgebildet. Hierzu sind das Gehäuseelement 19 mit einem zumindest über einen Teil der Länge seines Innenraums sich erstreckenden Innengewinde 26 und das Hohlkolbenelement 20 mit einem hiermit im Eingriff stehenden, dem Kolbenkopf zugeordneten Außengewinde 27 versehen. Dementsprechend fungieren hier die Gewindenut des gehäuseseitigen Innengewindes 26 als Spiralnut und der Gewindesteg des kolbenseitigen Außengewindes 27 als hiermit im Eingriff stehendes Gleitelement. Die Steigung der Spiralnut bzw. die Gewindesteigung liegt selbstverständlich außerhalb des selbsthemmenden Bereichs, so dass eine axiale Verschiebung des Hohlkolbenelements 20 automatisch zu einer Drehung des Hohlkolbenelements 20 führt.The above-mentioned converter device for converting an axial movement into a rotary movement is expediently designed as a slide arrangement, which has a spiral groove provided on the one hand and a slide element provided on the other hand, which is in engagement therewith. In the example shown, the link arrangement is designed as a threaded connection. For this purpose, the housing element 19 are provided with an internal thread 26 extending over at least part of the length of its interior, and the hollow piston element 20 is provided with an external thread 27 which is in engagement therewith and associated with the piston head. Accordingly, here function the thread groove of the housing-side internal thread 26 as a spiral groove and the threaded ridge of the piston-side external thread 27 as hereby engaged sliding member. The pitch of the spiral groove or the thread pitch is of course outside the self-locking region, so that an axial displacement of the hollow piston member 20 automatically leads to a rotation of the hollow piston member 20.

Im Betrieb ergibt sich in Folge des an der Rückseite des vom Hochdruck-Spülwasser durchströmten Hohlkolbenelements 20 anstehenden Drucks eine in Strömungsrichtung nach vorne gerichtete, auf das Hohlkolbenelement 20 wirkende Kraft, durch die das Hohlkolbenelement 20 entgegen der Wirkung der Feder 21 nach vorne, d.h. in Strömungsrichtung des es durchströmenden Hochdruck-Spülwassers verschoben wird, wobei die Axialbewegung in Folge der hier durch das Innengewinde 26 und Außengewinde 27 gebildeten Kulissenanordnung gleichzeitig in eine Drehbewegung des Hohlkolbenelements 20 und damit des hieran angebrachten, vorderen Spülschlauchabschnitts 3b und der hieran wiederum angebrachten Kanaldüse 6 umgewandelt wird. Wenn der Druck des Hochdruck-Spülwassers steigt, ergibt sich eine Vorwärtsbewegung mit entsprechender Drehbewegung des Hohlkolbenelements 20, wobei die dem Wasserdruck entgegenwirkende Feder 21 zusammengedrückt wird. Wenn der Druck des Hochdruck-Spülwassers abnimmt, wird das Hohlkolbenelement 20 durch die Feder 21 zurückgestellt, wobei die axiale Rückwärtsbewegung des Hohlkolbenelements in eine entgegen gesetzte Drehbewegung umgewandelt wird.During operation, as a result of the pressure applied to the back of the hollow piston element 20 flowing through the high-pressure rinse water, a force directed forwardly in the flow direction and acting on the hollow piston element 20 is produced by which the hollow piston element 20 is moved forward against the action of the spring 21, ie Flow direction of the high-pressure rinse water flowing through it is displaced, wherein the axial movement due to the here formed by the internal thread 26 and external thread 27 gate assembly simultaneously converted into a rotational movement of the hollow piston member 20 and thus attached thereto, front Spülschlauchabschnitts 3b and the turn attached thereto nozzle 6 becomes. When the pressure of the high-pressure rinse water increases, there is a forward movement with corresponding rotational movement of the hollow piston member 20, wherein the water pressure counteracting spring 21 is compressed. When the pressure of the high-pressure rinse water decreases, the hollow piston member 20 is returned by the spring 21, wherein the axial rearward movement of the hollow piston member is converted into an opposite rotational movement.

Durch Änderung des Drucks des Hochdruck-Spülwassers ist dementsprechend eine Drehbewegung des Hohlkolbenelements in jeder gewünschten Drehrichtung und damit der über den Schlauchabschnitt 3b hiermit verbundenen Kanaldüse 6 möglich.Accordingly, by changing the pressure of the high-pressure rinsing water, a rotational movement of the hollow piston element in any desired direction of rotation and thus of the hose nozzle 3b connected thereto by the nozzle 6 is possible.

Um dies zu bewerkstelligen ist eine zweckmäßig der Hochdruckpumpe 16 zugeordnete Einrichtung zur Änderung des Drucks des Hochdruck-Spülwassers sowie eine Anzeigeeinrichtung zum Anzeigen des momentan wirkenden Drucks vorgesehen. Eine Druckänderung kann einfach durch eine Änderung der Geschwindigkeit der Hochdruckpumpe 16 bewerkstelligt werden. Die Anzeigeeinrichtung kann als Manometer ausgebildet sein, das hier zweckmäßig mit einer Skala für den Drehwinkel versehen sein kann.To accomplish this, a device appropriately associated with the high-pressure pump 16 for changing the pressure of the high-pressure rinse water and a display device for displaying the momentarily acting pressure are provided. A pressure change can be accomplished simply by changing the speed of the high pressure pump 16. The display device can be designed as a manometer, which can be expediently provided with a scale for the angle of rotation.

Zur Umlenkung der Kanaldüse 6 um 90° genügt eine Drehung um 90°. Für eine Umlenkung nach links oder nach rechts genügt daher ein Drehwinkelbereich von etwa 180°. Da unter Umständen mehrere Rohrabzweigungen hintereinander kommen können, ist zweckmäßig ein etwas größerer Drehwinkelbereich als 180° vorgesehen. Ein Drehwinkelbereich von 360°-450° ist für die meisten Fälle ausreichend.To deflect the nozzle nozzle 6 by 90 °, a rotation of 90 ° is sufficient. For a deflection to the left or to the right, therefore, a rotation angle range of about 180 ° is sufficient. Since under certain circumstances several pipe branches can come one behind the other, a slightly larger rotation angle range than 180 ° is expediently provided. A rotation angle range of 360 ° -450 ° is sufficient for most cases.

Die Unterteilung des Spülschlauchs 3 in die beiden Abschnitte 3a und 3b kann grundsätzlich überall im Bereich der ganzen Spülschlauchlänge erfolgen. Auch eine mehrfache Unterteilung des Spülschlauchs 3 wäre denkbar. Zweckmäßig erfolgt diese Unterteilung und damit die Positionierung des Kupplungsaggregats 18 in einem nahe bei der Kanaldüse 6 liegenden Bereich, so dass der vordere Schlauchabschnitt 3b wesentlich kürzer als der rückwärtige Schlauchabschnitt 3a ist. Die Länge des Schlauchabschnitts 3b und dementsprechend die Entfernung der Kanaldüse 6 vom Kupplungsaggregat 18 soll einerseits groß genug sein, um eine ausreichende, vom Kupplungsaggregat 18 unabhängige Beweglichkeit der Kanaldüse 6 zu gewährleisten und andererseits klein genug, um eine Tordierung im Bereich des Schlauchabschnitts 3b vernachlässigen zu können. Eine Länge des vorderen Schlauchabschnitts 3b und dementsprechend eine Länge des Abstands zwischen Kanaldüse 6 und Kupplungsaggregat 18 im Bereich von etwa 1-3 m wird den vorstehend genannten Anforderungen gerecht.The subdivision of the flushing hose 3 in the two sections 3a and 3b can basically be done anywhere in the entire flushing hose length. A multiple subdivision of the flushing hose 3 would be conceivable. Suitably, this subdivision and thus the positioning of the clutch unit 18 takes place in a region close to the channel nozzle 6, so that the front tube section 3b is substantially shorter than the rearward tube section 3a. The length of the hose section 3b and accordingly the removal of the nozzle nozzle 6 from the clutch unit 18 should on the one hand be large enough to ensure sufficient, independent of the clutch unit 18 mobility of the nozzle 6 and on the other hand small enough to neglect a Tordierung in the region of the hose section 3b can. A length of the front tube portion 3b and, accordingly, a length of the Distance between the nozzle nozzle 6 and clutch unit 18 in the range of about 1-3 m meets the above requirements.

Bei mehrfacher Unterteilung des Spülschlauchs 3 ergeben sich mehrere aufeinander folgende Kupplungsaggregate, die jeweils gleiche Drehbewegungen durchführen, deren Drehwinkel sich addieren, so dass man bereits mit vergleichsweise geringen Druckänderungen auskommt. Zusätzlich oder alternativ zur Kameraeinrichtung 9 der Kanaldüse 6 kann auch das dieser benachbarte Kupplungsaggregat 18 mit einer derartigen Kameraeinrichtung versehen sein. Bei mehreren Kupplungsaggregaten 18 kann auch mehreren eine Kameraeinrichtung zugeordnet sein.With multiple subdivision of the purge hose 3, several successive clutch units, each performing the same rotational movements, the rotation angle add up, so that you can already manage with comparatively small pressure changes. In addition or as an alternative to the camera device 9 of the channel nozzle 6, this adjacent coupling unit 18 can also be provided with such a camera device. In the case of several clutch units 18, a plurality of camera devices can also be assigned.

Claims (10)

  1. A device for cleaning and/or inspecting a flow channel, in particular a sewage channel, comprising a rinsing hose (3) which is insertable into the channel and suppliable with high pressure rinsing water, such rinsing hose (3) being connected with its front end to a channel nozzle (6) at least provided with jet nozzles (5) generating a recoil force, such channel nozzle (6) being steerable by rotation around its axis, characterized in that the rinsing hose (3) is divided into at least two sections (3a, 3b) connected with each other by a coupling unit (18) through which high pressure rinsing water may flow, which comprises a housing element (19) connected with a rinsing hose section (3a) and further a hollow piston element (20) arranged in an axially moveable manner in the said housing element (19) and connected with the other rinsing hose section (3b), with the housing element (19) and the hollow piston element (20) being supported on each other by a spring (21) and acting together via a converter device converting an axial into a rotary movement.
  2. A device in accordance with claim 1, characterized in that the rear rinsing hose section (3a) coming from a hose receiving unit (10) is connected with the housing element (19) and the front rinsing hose section (3b) leading to the channel nozzle (6) is connected with the hollow piston element (20).
  3. A device in accordance with any of the preceding claims, characterized in that the hollow piston element (20) comprises at its circumference a head (22) acting together with the housing element (19), and further a neck (23) tiered against such head (22), extending through an associated opening (24) of the housing element (19) opposite the housing side rinsing hose connection and with its outside end being connected with the associated rinsing hose section (3b).
  4. A device in accordance with any of the preceding claims, characterized in that the spring (21) is designed as a helical compression spring arranged in the housing element (19) and enclosing an inner area of a neck (23), if any provided, of the hollow piston element (20).
  5. A device in accordance with any of the preceding claims, characterized in that the converter device is designed as a slide unit comprising on one side a spiral groove and on the other a slide element in engagement therewith.
  6. A device in accordance with claim 5, characterized in that the slide unit is designed as a thread connection and that the housing element (19) for this purpose is provided with an internal thread (26) and the hollow piston element (20) is provided with an external thread (27) being in engagement with said hollow piston element (20).
  7. A device in accordance with any of the preceding claims 5 or 6, characterized in that the pitch of the spiral groove and/or the sliding element associated therewith is located outside the area of self locking.
  8. A device in accordance with any of the preceding claims, characterized in that the coupling unit (18) is arranged in front of the channel nozzle (6) at a comparatively small distance, preferably in the region of 1 - 3 m.
  9. A device in accordance with any of the preceding claims, characterized in that provision is made for a device for altering the pressure of the high pressure rinsing water associated with the rinsing hose (3).
  10. A device in accordance with any of the preceding claims, characterized in that associated with the channel nozzle (6) is a lighting and/or photographic device (9).
EP15002553.4A 2014-09-04 2015-08-29 Device for cleaning and/or inspecting a flow channel Active EP2993277B1 (en)

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DE102014012882.2A DE102014012882B4 (en) 2014-09-04 2014-09-04 Device for cleaning and / or inspection of a flow channel

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Publication number Priority date Publication date Assignee Title
DE102016006276A1 (en) * 2016-05-25 2017-11-30 Karl Wiedemann Vehicle for sewer cleaning
CN106475374B (en) * 2016-10-26 2019-05-03 西可林控制系统(上海)有限公司 A kind of automatic pipe profile inner cavity flusher and control system
CN107626705A (en) * 2017-10-30 2018-01-26 四川爱尔西科技有限公司 Improve the chemical industry cleaning device of cleaning efficiency and quality
CN111174041A (en) * 2020-01-09 2020-05-19 皖西学院 Supporting mechanism for municipal public works sewer scrubbing equipment
CN112191626B (en) * 2020-10-09 2021-12-03 山东国舜建设集团有限公司 Dust collector of fluidization wind pipeline
CN112217159B (en) * 2020-10-14 2023-03-28 贵州黔程慧通科技发展有限责任公司 Cable heat abstractor in tunnel
CN113529919B (en) * 2021-06-22 2022-09-13 浙大城市学院 Intelligent pipeline dredging robot
CN114260263B (en) * 2021-12-27 2023-03-10 亚太轻合金(南通)科技有限公司 Coil pipe inner wall processing apparatus

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AU4135701A (en) * 1999-11-16 2001-05-30 Polaris Pool Systems, Inc. Rotatable hose coupling
US20090261575A1 (en) * 2008-04-22 2009-10-22 Halliburton Energy Services Inc. Adjustable Length Discharge Joint for High Pressure Applications
DE202010002714U1 (en) * 2010-02-24 2011-09-07 Arnold Pläsier Flushing head and flushing device
DE102011120152B4 (en) 2011-12-06 2017-09-21 Karl Wiedemann Device for cleaning and / or inspecting a flow channel
DE202012011773U1 (en) * 2012-12-10 2014-03-13 P & W Umwelttechnik Gmbh Rinsing hose joint, rinsing tube rotating device and rinsing nozzle

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HUE031651T2 (en) 2017-07-28
DE102014012882B4 (en) 2017-06-08
US20160067751A1 (en) 2016-03-10
EP2993277A1 (en) 2016-03-09
DE102014012882A1 (en) 2016-03-10
US10105738B2 (en) 2018-10-23
PL2993277T3 (en) 2017-07-31

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