WO2013156402A1 - Hochdruckschlauch für eine reinigungsvorrichtung und reinigungsvorrichtung - Google Patents
Hochdruckschlauch für eine reinigungsvorrichtung und reinigungsvorrichtung Download PDFInfo
- Publication number
- WO2013156402A1 WO2013156402A1 PCT/EP2013/057665 EP2013057665W WO2013156402A1 WO 2013156402 A1 WO2013156402 A1 WO 2013156402A1 EP 2013057665 W EP2013057665 W EP 2013057665W WO 2013156402 A1 WO2013156402 A1 WO 2013156402A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pressure hose
- cleaning device
- hose
- inner tube
- protective tube
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/06—Protection of pipes or objects of similar shape against external or internal damage or wear against wear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/005—Devices restraining ruptured tubes from whipping
Definitions
- the invention relates to a high-pressure hose according to the preamble of patent claim 1 and to a cleaning device equipped with this high-pressure hose.
- Such a high-pressure hose is known from DE 43 249 43 AI.
- an inner hose is surrounded on its outer casing with a protective cover, which is relatively short in comparison to the overall length of the actual high-pressure hose. If the high-pressure hose comes off at the end of a fitting located there or leaking in the vicinity of it occurs, although high-pressure water exits, but this can not escape freely. Ropes are connected to the cuff that hold the high pressure hose.
- a method for producing a flexible high-pressure hose is known.
- a flexible, tubular plastic material which constitutes the inner layer, is externally wrapped and reinforced with a textile material and finally encapsulated with an outer layer of a further plastic material embedding the reinforcement.
- Such high pressure hoses are at risk when pulled over sharp edges. Sharp edges occur when an interior of any container or pipe has to be cleaned and the hose is inserted into the interior cavity. He comes usually with an edge of the container or tube in contact. Cutting, breaking or otherwise injuring may take place at the contact surface.
- the pressure of a liquid medium in the high-pressure hose is generally so high that, if the pressure medium escapes uncontrollably, in particular water, there is a risk of injury to personnel and also damage to equipment. exists.
- a pressure jet of, for example, 1,000 to 2,000 bar can certainly pierce a person.
- High pressure is understood to mean a pressure of at least 300 bar, in particular at least 1000 bar. This is where the invention starts. It has set itself the task of developing a high pressure hose of the type mentioned so that it is largely protected against cuts and injuries, so that fractures, incisions and other injuries can be substantially ruled out.
- This object is achieved in that the actual hose is given with a flexible protective tube made of metal ring mesh.
- This flexible protective hose is similar to a chainmail shirt formed. It avoids that the jacket of the inner tube can be damaged by sharp edges.
- the flexible protective hose thus ensures that the inner tube can not be damaged mechanically. Only the inner tube is responsible for the tightness, insofar the flexible protective tube is not involved. But if by some process, such as a material defect, but the inner tube is leaking and high pressure water leaking, this must pass through the flexible protective tube. It is atomized and cut in the flexible protective tube. It can not escape directly as a free jet, the dangerous effect of a jet is released by the protective tube. In that regard, even if the actual hose has become leaky, the protective hose helps to prevent accidents, at least to reduce the risk of accidents.
- Metal ring meshes are known in principle. In addition to the chainmail shirt already mentioned, they are also used in ring plaits or in ring mesh products. Thus, from DE 329 112 A a machine for the production of ring mesh in tube form is known. This wire rings are constantly formed, which are connected before closing with other wire rings, they engage in these other wire rings. In this way, a sheet-like structure consisting only of rings is formed. From DE 33 05 841 AI a metal ring mesh for protective clothing is known. From DE 198 33 816 AI a flexible protective surface of metal rings is known, which is preferably suitable for use in personal protection.
- the metal elements in particular wire rings, are not themselves connected to one another, but a thread-like material is provided which passes through the openings (30) of the individual metal ring elements and effects the connection. It is preferably arranged in such a way that it itself can not be affected by a sharp object or has a sufficiently cut-resistant design.
- the flexible protective tube is preferably only connected at the end to the inner tube. The connection may be by gluing, by a clamp or other encompassing means, or by other suitable methods.
- the flexible protective cover is connected only at its ends with the inner tube. But it is also possible, the flexible protective cover over its entire length or a larger part of the total length, z. B. more than 50%, to connect to the inner tube, for example, to glue.
- the flexible protective cover can be moved over a distance of at least three centimeters, preferably at least 10 cm, relative to the jacket. This makes it possible for the flexible protective hose to catch on an edge, but the inner hose can still be moved back and forth.
- the flexible protective tube extends over as large a part of the total length of the inner tube.
- the flexible protective hose only in the vicinity of the working end of the high-pressure hose, for example only on the first 10 or 20 meters, calculated from the nozzle at which the outlet of the water takes place.
- the metal ring mesh of the flexible protective cover is as "opaque” as possible.
- "Opaque” or optical transparency is understood to mean how much vertically incident light passes through the metal mesh. A transparency of less than 20%, in particular less than 10% is sought.
- This has the advantage that no direct rays can pass through the metal mesh. NEN. Accordingly, no direct water jets can pass through the metal mesh, but rather water jets in the metal mesh are broken, thereby rendered harmless.
- Under high pressure is understood a pressure of at least 300 bar, preferably at least 1000 bar. High pressure is present when water jets can cause significant damage to persons.
- Fig. 1 A schematic side view of a cleaning device for the
- Fig. 3 a section along the section line III-III in Figure 4 and Fig. 4 is a plan view of a small piece of metal ring mesh in greatly enlarged playback.
- Figure 1 shows a conventional cleaning device 20. It has a high-pressure pump 22, via a high-pressure hose 24, the water is supplied to a nozzle 26, where it exits under high pressure, see exit jet.
- the nozzle 26 is located in the interior of a container 28.
- This container 28 has a closable opening 30 through which the high pressure hose 24 is passed. In the opening 30 are sharp edges on which the high-pressure hose 24 can rub, where it can be damaged.
- FIGS. 2 and 3 show the typical construction of a high-pressure hose 24. It is composed of an inner hose 32 and a flexible protective hose 34.
- the inner tube 32 is constructed according to the prior art, it is multilayer of concentrically arranged layers 36, 37, 38 created. These layers include at least one embedded reinforcement layer, here referred to as layer 37. It can be designed differently, as well as a Comparison of Figures 2 and 3 shows. It may, for example, textile threads for reinforcement, but it can also be equipped with metallic threads, plastic threads and the like.
- the inner tube 32 has a jacket 40. An axis line of the inner tube is shown.
- the inner tube is basically suitable for directing high-pressure water.
- the protective tube 34 is an additional part, it causes the protection of the inner tube 32, in particular it causes that the jacket 40 can not be easily damaged. The protective tube 34 thus has the task of avoiding injuries to the inner tube 32 or the jacket 40.
- FIG. 4 shows a section of the high-pressure hose 24.
- the tubular protective hose 34 is firmly connected to the inner hose 32 by means of a clamp.
- the clamp 42 surrounds the protective tube 34 and the inner tube 32, it spans the protective tube 34 and presses it against the inner tube 32.
- a connecting region is formed.
- a mechanical connection is achieved.
- To the right of the clamp 32 you can see how the protective tube sags down due to gravity. This is also shown in FIG. It can be seen that the protective tube 34 on the one hand is not connected to the jacket 40 and on the other hand has an excess in the radial plane relative to the jacket 40.
- the excess is at least 5%, preferably at least 20% of the cross-sectional area of the inner tube 34 and is limited to the top, preferably at a maximum of 30%, but not more than 50%. Due to the excess of the protective tube 34 can be moved relative to the jacket 40. The displacement is possible by at least 2 cm, in particular at least 10 cm with respect to the jacket 40.
- the protective hose 34 is connected to the jacket 40 in a ring-shaped and circumferential manner in a connection region 44.
- the corresponding section, the figure 3 shows, can be seen that the jacket 40 and the protective tube 34 are connected.
- Suitable adhesives are used, for example two-component adhesives, polyurethane adhesives or the like.
- the state, as it is present in FIG. 3, is above a strip, for example 1 to 5 cm wide. It can also be given over the entire length of the high-pressure hose 24. Then there is no slack, as shown in Figure 4 below.
- the clamp 42 is preferably made of metal. Its axial width is between 1 and 8 cm.
- the connection region 44 is correspondingly wide.
- FIG. 5 shows a small section of a metal ring mesh. To make the presentation easier to understand, transparency is decidedly high, well above 50%. The metal meshes actually used should have a much smaller transparency. Are used made of round wire metal ring elements, which in Fig. 5 are designed as round rings. For the preparation, reference is made to the above-mentioned publications. As can be seen from the illustration, each ring is penetrated by a total of four adjacent rings in the selected braid.
- the metal ring elements can be out of round, for example, square.
- the metal ring elements have at least one passage through which adjacent metal ring elements can pass or through which a connecting thread or another connecting element is made.
- the passage is significantly smaller in relation to the total area of the ring, this leads to a lower transparency.
- the metal ring mesh is made of stainless material, such as stainless steel. But there is also the possibility to use a plastic ring mesh instead of a metal ring mesh.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112013000141.1T DE112013000141A5 (de) | 2012-04-19 | 2013-04-12 | Hochdruckschlauch für eine Reinigungsvorrichtung und Reinigungsvorrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012206485 | 2012-04-19 | ||
DE102012206485.0 | 2012-04-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013156402A1 true WO2013156402A1 (de) | 2013-10-24 |
Family
ID=48095850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2013/057665 WO2013156402A1 (de) | 2012-04-19 | 2013-04-12 | Hochdruckschlauch für eine reinigungsvorrichtung und reinigungsvorrichtung |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE112013000141A5 (de) |
WO (1) | WO2013156402A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015102838A1 (de) | 2014-05-14 | 2015-11-19 | Buchen Umweltservice Gmbh | Hochdruckreinigungsvorrichtung |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE329112C (de) | 1919-03-12 | 1920-11-13 | Christian Kauderer | Maschine zur Herstellung von Ringgeflecht in Schlauchform |
DE1504943A1 (de) | 1961-10-25 | 1969-04-03 | Kiyoshi Takemoto | Verfahren zum Herstellen eines flexiblen Hochdruckschlauches |
DE1629821A1 (de) | 1961-09-12 | 1970-08-13 | Vohrer Herbert | Druckschlauch und Verfahren zu dessen Herstellung |
US3722539A (en) * | 1970-12-04 | 1973-03-27 | Industrial Filter Pump Mfg Co | Fluid feed conduit for processing apparatus |
EP0034486A2 (de) * | 1980-02-15 | 1981-08-26 | Imperial Clevite Inc. | Hochdruckschläuche mit Ausblasschutzvorrichtung |
DE3305841A1 (de) | 1983-02-19 | 1984-08-30 | Friedrich Münch GmbH & Co. KG, 7130 Mühlacker | Metallringgeflecht fuer schutzbekleidung |
DE3533894A1 (de) * | 1984-09-28 | 1986-05-22 | Pehr Malung Lars-Jos | Bekleidungsgegenstand aus ringpanzerstruktur |
US4766662A (en) * | 1984-08-15 | 1988-08-30 | Dayco Products, Inc. | Method of protecting hose with a plastic abrasion-resistant protective sleeve |
DE9100903U1 (de) | 1991-01-26 | 1991-04-18 | WAP Reinigungssysteme GmbH & Co, 7919 Bellenberg | Knickschutz für einen Hochdruckschlauch bei Hochdruckreinigern |
DE4324943A1 (de) | 1993-07-24 | 1995-01-26 | Bernd Weigel | Sicherheitsschlauch |
DE19833816A1 (de) | 1998-07-28 | 2000-03-02 | Wissens Und Technologietransfe | Flexible Schutzfläche zum vorzugsweisen Einsatz im Personenschutz |
DE20314718U1 (de) * | 2003-09-23 | 2003-12-18 | Fränkische Rohrwerke Gebr. Kirchner GmbH + Co. KG | Hausgerätezulaufleitung |
DE202005014062U1 (de) * | 2005-09-07 | 2005-12-08 | Fere Dosier- Und Klebsysteme Gmbh | Schutzüberzug für Schläuche mit Draht-Außengeflecht |
US20090049869A1 (en) * | 2007-08-23 | 2009-02-26 | Malloy Cassie M | Thermal Protection Sleeve With Knit Thermal Protection Features And Method Of Construction Thereof |
-
2013
- 2013-04-12 DE DE112013000141.1T patent/DE112013000141A5/de not_active Withdrawn
- 2013-04-12 WO PCT/EP2013/057665 patent/WO2013156402A1/de active Application Filing
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE329112C (de) | 1919-03-12 | 1920-11-13 | Christian Kauderer | Maschine zur Herstellung von Ringgeflecht in Schlauchform |
DE1629821A1 (de) | 1961-09-12 | 1970-08-13 | Vohrer Herbert | Druckschlauch und Verfahren zu dessen Herstellung |
DE1504943A1 (de) | 1961-10-25 | 1969-04-03 | Kiyoshi Takemoto | Verfahren zum Herstellen eines flexiblen Hochdruckschlauches |
US3722539A (en) * | 1970-12-04 | 1973-03-27 | Industrial Filter Pump Mfg Co | Fluid feed conduit for processing apparatus |
EP0034486A2 (de) * | 1980-02-15 | 1981-08-26 | Imperial Clevite Inc. | Hochdruckschläuche mit Ausblasschutzvorrichtung |
DE3305841A1 (de) | 1983-02-19 | 1984-08-30 | Friedrich Münch GmbH & Co. KG, 7130 Mühlacker | Metallringgeflecht fuer schutzbekleidung |
US4766662A (en) * | 1984-08-15 | 1988-08-30 | Dayco Products, Inc. | Method of protecting hose with a plastic abrasion-resistant protective sleeve |
DE3533894A1 (de) * | 1984-09-28 | 1986-05-22 | Pehr Malung Lars-Jos | Bekleidungsgegenstand aus ringpanzerstruktur |
DE9100903U1 (de) | 1991-01-26 | 1991-04-18 | WAP Reinigungssysteme GmbH & Co, 7919 Bellenberg | Knickschutz für einen Hochdruckschlauch bei Hochdruckreinigern |
DE4324943A1 (de) | 1993-07-24 | 1995-01-26 | Bernd Weigel | Sicherheitsschlauch |
DE19833816A1 (de) | 1998-07-28 | 2000-03-02 | Wissens Und Technologietransfe | Flexible Schutzfläche zum vorzugsweisen Einsatz im Personenschutz |
DE20314718U1 (de) * | 2003-09-23 | 2003-12-18 | Fränkische Rohrwerke Gebr. Kirchner GmbH + Co. KG | Hausgerätezulaufleitung |
DE202005014062U1 (de) * | 2005-09-07 | 2005-12-08 | Fere Dosier- Und Klebsysteme Gmbh | Schutzüberzug für Schläuche mit Draht-Außengeflecht |
US20090049869A1 (en) * | 2007-08-23 | 2009-02-26 | Malloy Cassie M | Thermal Protection Sleeve With Knit Thermal Protection Features And Method Of Construction Thereof |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015102838A1 (de) | 2014-05-14 | 2015-11-19 | Buchen Umweltservice Gmbh | Hochdruckreinigungsvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
DE112013000141A5 (de) | 2014-06-26 |
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