EP2027939B1 - Appareil de nettoyage haute pression - Google Patents

Appareil de nettoyage haute pression Download PDF

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Publication number
EP2027939B1
EP2027939B1 EP08104284A EP08104284A EP2027939B1 EP 2027939 B1 EP2027939 B1 EP 2027939B1 EP 08104284 A EP08104284 A EP 08104284A EP 08104284 A EP08104284 A EP 08104284A EP 2027939 B1 EP2027939 B1 EP 2027939B1
Authority
EP
European Patent Office
Prior art keywords
winding unit
cleaning device
pressure cleaning
hose
pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP08104284A
Other languages
German (de)
English (en)
Other versions
EP2027939A1 (fr
Inventor
Mark Ellam
Stefan Kern
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE202007018340U external-priority patent/DE202007018340U1/de
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2027939A1 publication Critical patent/EP2027939A1/fr
Application granted granted Critical
Publication of EP2027939B1 publication Critical patent/EP2027939B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/026—Cleaning by making use of hand-held spray guns; Fluid preparations therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B2203/00—Details of cleaning machines or methods involving the use or presence of liquid or steam
    • B08B2203/02—Details of machines or methods for cleaning by the force of jets or sprays
    • B08B2203/0276—Hose reels specific for high pressure cleaners

Definitions

  • the invention is based on a high-pressure cleaning device according to the preamble of claim 1.
  • the invention is based on a high-pressure cleaning device with a high-pressure cleaning device.
  • the WO 2004/069436 A discloses a high-pressure cleaner with a hose winding unit, which is partially automated. A hose and a cable are arranged on a common drum. There is a handle provided, but no housing.
  • the DE 298 09 473 U1 discloses a high-pressure cleaner in which a hose and a cable are arranged on open drums. An at least partially automated high-pressure hose winding unit is not disclosed.
  • DE 299 14 193 U1 such as FR-A-2 793 710 disclose high-pressure cleaning devices, in each case a hose is arranged on a drum. However, a cable winding unit is not disclosed.
  • the DE 4119 907 A1 discloses a high pressure cleaning apparatus having a shell forming a housing in which a non-automated hose winding unit and cable winding unit are disposed.
  • the invention has for its object to improve the above-mentioned high-pressure cleaner. This is achieved by the characterizing features of claim 1.
  • the high-pressure cleaning device has a hose winding unit, in particular a high-pressure hose winding unit, which is designed to be at least partially automated.
  • automated should in particular be understood to mean that the hose winding unit carries out at least one process at least partially automatically, such as an unwinding process and / or at least advantageously a winding process. This can be a cumbersome folding, a risk of looping, a risk of kinking, a stumbling hazard and in particular a separation of a hose to be avoided by a high-pressure cleaner.
  • a "high-pressure cleaning device is to be understood, in particular, as an electrically operated, portable working device which, with the aid of water pressure, in particular from 15 bar, and optionally with the use of additional cleaning agents to remove soiling is used.
  • the high-pressure cleaning device preferably weighs less than 25 kg and particularly advantageously less than 20 kg.
  • a "high-pressure hose winding unit” should be understood to mean, in particular, a winding unit which is specifically intended for opening and / or unwinding high-pressure hoses, wherein a "high-pressure hose” is to be understood as meaning, in particular, a hose which is at least 15 bar and preferably is designed to be at least 60 bar and more preferably at least 140 bar pressure.
  • the hose winding unit has at least one actuator which is provided for winding and / or unwinding or is intended to provide a positioning force for an up and / or unwinding operation.
  • the actuator can be formed by various actuators that appear reasonable to those skilled in the art, such as by an electric motor or particularly advantageous by an actuator with a spring drive, whereby this can be designed in a particularly simple, lightweight, space-saving and cost-effective manner, in particular if the spring drive comprises a scroll spring, preferably at least partially formed by a spring steel strip. It should be understood in particular a spring which is at least partially rolled up under a "roll spring".
  • an actuator formed by an electric motor advantageously both an automated unwinding process and an automated reeling process could be made possible.
  • the electric motor could also be used as a brake unit.
  • the scroll spring has a number of turns of at least five, and preferably of at least eight, in at least one operating mode, a uniform power development can advantageously be achieved.
  • the hose winding unit has a bearing axis with at least one supply channel, whereby this space can be integrated to save space and additional components can be saved.
  • an advantageous distribution of an inflowing medium, in particular of water, can be achieved if the hose winding unit has a circulation distributor extending radially outward from the bearing axis.
  • the hose winding unit has at least one web extending at least substantially parallel to a winding axis, as a result of which high stability can be achieved.
  • "essentially parallel” should be understood in particular to mean that the web has a main extension direction which deviates less than 10% relative to its main extension from a parallel axis of the winding about which a drum of the hose winding unit is rotatably mounted.
  • the device has a cable winding unit and in particular an at least partially automated cable winding unit, wherein a "cable winding unit” is to be understood in particular a winding unit, which is specifically intended for winding and / or unwinding a power cable.
  • a particularly short-term work readiness can be achieved, in particular if the hose winding unit and the cable winding unit have separately formed drums on which a hose or a cable up and / or can be unwound. It can be achieved in each case a quick and convenient return to a depot, with a return button, by means of which a return operation can be triggered.
  • the hose and / or the cable can advantageously be stored protected in a device housing.
  • a reversing mechanism is particularly advantageous, by means of which locking can be achieved, in particular by accelerated return, and with a slowed-down retraction, a locking can be avoided and a complete reeling can be achieved.
  • the hose winding unit and / or the cable winding unit has a braking device
  • an operation controlled by an operator, in particular winding and / or unwinding can advantageously be achieved, in particular if the braking device is intended to brake a rotatably mounted drum and / or block, so that the hose and / or the cable can preferably be pulled out to various desired lengths and upon reaching the respective desired length by means of the braking device, the drum can be blocked, so that further unwinding and in particular a rolling is avoided.
  • the cable winding unit is provided in the direction of a winding axis for single-layer winding, in particular by the same having a cable receiving area which is smaller than a double cable diameter of a cable provided for the cable winding unit.
  • a particularly advantageous winding and unwinding can be achieved structurally simple with few components and in particular a particularly advantageous heat dissipation can be ensured.
  • a required cooling by means of a motor fan can be avoided.
  • a single-layer winding or multilayer windings considered in the radial direction relative to a winding axis is also conceivable.
  • the cable winding unit has at least one sliding contact for electrical contacting, as a result of which an advantageous electrical contacting can be achieved easily.
  • the cable winding unit and the hose winding unit are arranged in at least partially separate housing units, undesired interactions between the hose winding unit and the cable winding unit can be avoided. It should be understood in particular “separated” that storage spaces for the hose winding unit and the cable winding unit are at least partially and preferably largely separated by a partition.
  • a partition wall is molded onto a frame of the hose winding unit, which can then be sealed by means of a sealant, such as preferably by means of a sealing ring or a sealing tape against a housing, so that a water passage to the cable winding unit can be avoided in a defective hose.
  • an "end region” should be understood to mean in particular a region which is smaller than 10% of a total length in a longitudinal direction and / or in a transverse direction of the housing starting from one end in the longitudinal direction and / or in the transverse direction or an outer edge of the housing Longitudinal direction or a total width or total height in the transverse direction.
  • the power connection for an electrical connection and the hose connection are arranged on opposite sides of the housing, in particular device housing sides, a particularly high level of safety, in particular with respect to electrical shock, can be achieved, in particular if a water supply connection and a high-pressure connection on a common housing side and the power connection are arranged on an opposite side of the housing.
  • the high-pressure cleaning device has a device housing, in which in particular a drive unit, such as an electric motor, and / or a compressor unit is arranged.
  • the high-pressure cleaning device advantageously has a device housing that is at least partially separated from the device housing.
  • the device housing can form its own transport unit next to the device housing, however, is advantageously at least in an operating mode firmly connected to the device housing and thus forms with this for an operator a common transport unit.
  • the device housing may preferably be arranged at least partially in the device housing.
  • the device housing may be connected to the device housing for a permanent fixed connection, i. by a permanent connection and / or by a connection intended to be released exclusively by a service person.
  • the device housing may also be connected to a connection to the device housing intended to be released by an operator, such as a latching connection, etc.
  • FIG. 1 shows a section through a device according to the invention with a high-pressure hose 9 'comprising a hose assembly and an automated high-pressure hose winding unit 1' and with a power cable 9 and an automated cable winding unit 1.
  • the high-pressure hose winding unit 1 'and the cable winding unit 1 are arranged functionally separated working in a common device housing, which is formed of two housing units 2, 2 ', which are spatially divided by a partition wall 2a, to safely prevent water from the high-pressure hose winding unit 1' to the cable winding unit 1, especially in the event of damage.
  • the partition wall 2 a is molded onto the housing unit 2.
  • a partition wall 2a 'could be particularly advantageously also formed on a frame and / or on a flange 17' of the high-pressure hose winding unit 1 ', as shown in FIG. 1 schematically indicated, whereby a simplified construction can be achieved.
  • the partition wall 2a ' is advantageously sealed off from the housing unit 2' by means of a sealing tape 2a ".
  • the housing units 2, 2 'each have a common lower part and a common upper part.
  • the connection unit 20 is formed by a detachable latching connection, but could also be formed by other, the skilled person appears to be useful form-fitting, cohesive and / or non-positive connections.
  • the cable winding unit 1 has a spring drive comprehensive actuator with a scroll spring 4 made of a spring steel strip, which is integrated in a braking device with a fixed brake plate 3 of the cable winding unit 1.
  • the cable winding unit 1 has a rotatably mounted cable drum 5, which is provided for single-layer winding of the power cable 9, by having a receiving area whose width 5a is smaller than a double net cable diameter.
  • an electrical connection is made from a power connection or a mains cable connection 8 of the rotatable cable drum 5 to an electric drive of the high-pressure cleaning device ( FIGS. 1 . 2 and 3 ).
  • the drive or motor not shown, has the task of driving a piston pump of the high-pressure cleaning device to generate an operating pressure.
  • drive motors come here depending on the embodiment both universal motors with reduction gear and asynchronous motors in the order of 2000 W recording power in question.
  • an integrally formed with the brake plate 3 or molded on a Bremsplattenstirnseite axis 6 assumes the storage of the two-part cable drum 5 and der Jardintrommelgephaseuses.
  • the configuration of the cable drum 5 basically two embodiments can be considered.
  • the power cable 9 is considered single layered in the direction of a winding axis 56, i. in vertically successive turns on each other or rolled up. This embodiment is preferred when a particularly narrow design of the cable drum 5 appears necessary due to limited space.
  • a second embodiment is to roll up the power cord 9, preferably in a longitudinal direction of a drum axis known from hose reels for rolling up garden hoses.
  • the Drum attached oscillator may be provided, which performs a reciprocating motion, for example by means of a threaded rod according to the pitch of the net cable 9 to be rolled up and thus guarantees a uniform winding, but in principle the single-layer design, especially for cost reasons, is preferred.
  • the winding devices can be performed both for power cord and for the high-pressure hose in a preferred extension of the drums, especially if both times large lengths are to be provided or if there is a demand to build extremely flat but wide.
  • Fig. 1 . 5 . 6 and 7 show schematic sections and partial views of the high-pressure hose winding unit 1 '.
  • the high-pressure hose winding unit 1 ' is arranged in the housing unit 2', has as a basic function an automatic retraction of the high-pressure hose 9 'and is essentially constructed in accordance with the cable winding unit 1.
  • the high-pressure hose winding unit 1 Analogous to the cable winding unit 1, the high-pressure hose winding unit 1 'on the front side a braking device with a brake plate 3' and with the individual parts of a braking device, which are designed according to construction and function of the braking device for the power cord 9. Furthermore, the high-pressure hose winding unit 1 'comprises an actuator comprising a spring drive with a spring 4' made of a spring steel strip which is arranged on a side of a hose drum housing 5.1 ', 5.2' opposite the brake plate 3 '.
  • the scroll spring 4 ' has a number of turns of about ten.
  • For locking in the required length provides a working together with the braking device stop mechanism.
  • the power cord 9 and the high-pressure hose 9 ' can be completely or automatically retracted to any length.
  • the flange 17 On one of the brake plate 3 'opposite end face is the flange 17 which enters into a fixed connection with the brake plate 3' by halves each arranged with their main directions of extension parallel to the winding axis 56 extending webs 15 and 16.
  • the webs 15, 16 are used to stabilize the system and also provide protection against injury during repairs in the event of a jump of the high-tensioned scroll spring 4 '.
  • Two interconnected bearing shafts 10 and 11 make an inner connection between the brake plate 3 'and flange 17 forth, wherein the bearing shaft 10 rotatably connected to the flange 17 and the bearing shaft 11 rotatably connected to the brake plate 3'.
  • the bearing shaft 10 forms a bearing 6.1 'for a first hose reel housing part 5.1' of the two-part hose reel housing 5.1 ', 5.2'.
  • the bearing shaft 11 forms a second bearing 6.2 'for a second hose drum housing part 5.2' of the hose drum housing 5.1 ', 5.2'.
  • the bearing axis 11 has a feed channel 12 and has the task of producing a high-pressure connection to the high-pressure hose 9 'via a pump-side high-pressure hose connection 7' and via the feed channel 12.
  • the high-pressure hose connection 7 'and the power cable connection 8 are arranged in opposite housing end regions of the device housing.
  • a hose reel connection 8 'on the circumference of the hose reel housing 5.1', 5.2 ' is used to establish a connection to the high-pressure hose 9'.
  • the hose reel housing 5.1 ', 5.2' serves to receive the high-pressure hose 9 'and is dimensioned such that the high-pressure hose 9' can be sufficiently accommodated or stowed in its full length in terms of volume.
  • the scroll spring 4 ' which is arranged in a roller spring housing 4.1', is permanently attached with its outer end to a housing wall of the first hose drum housing part 5.1 '. Because of the demand for as equal a force as possible over the entire travel, the scroll spring 4 'has a flat characteristic and a plurality of turns. It is then most biased when the high pressure hose 9 'is pulled out to the maximum.
  • the scroll spring 4 ' has the task of completely and uniformly recapturing the high-pressure hose 9' in its fully extended length with as constant a force as possible and partly with the aid of a braking device.

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  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)

Claims (16)

  1. Appareil de nettoyage haute pression comprenant un dispositif de nettoyage haute pression avec une unité d'enroulement de tuyau (1') qui sert d'unité d'enroulement de tuyau haute pression et qui est réalisée au moins en partie sous forme automatisée, et avec une unité d'enroulement de câble (1), caractérisé en ce que l'unité d'enroulement de câble (1) et l'unité d'enroulement de tuyau (1') sont disposées dans des unités de boîtier (2, 2') au moins partiellement séparées, qui sont séparées spatialement par une paroi de séparation (2a), afin d'éviter de manière fiable un débordement d'eau depuis l'unité d'enroulement de tuyau haute pression vers l'unité d'enroulement de câble (1).
  2. Appareil de nettoyage haute pression selon la revendication 1, caractérisé en ce que l'unité d'enroulement de tuyau haute pression et l'unité d'enroulement de câble (1) sont disposées de manière à travailler de manière séparée fonctionnellement et dans un boîtier de dispositif commun qui est formé par les deux unités de boîtier (2, 2').
  3. Appareil de nettoyage haute pression selon la revendication 1 ou 2, caractérisé en ce que la paroi de séparation (2a) est pulvérisée sur l'unité de boîtier (2) ou est façonnée sur un cadre et/ou sur une bride (17') de l'unité d'enroulement de tuyau haute pression.
  4. Appareil de nettoyage haute pression selon l'une quelconque des revendications précédentes, caractérisé en ce que la paroi de séparation (2a') est rendue étanche au moyen d'une bande d'étanchéité (2a") par rapport à l'unité de boîtier (2').
  5. Appareil de nettoyage haute pression selon l'une quelconque des revendications précédentes, caractérisé en ce que les unités de boîtier (2, 2') présentent à chaque fois une partie inférieure commune et une partie supérieure commune.
  6. Appareil de nettoyage haute pression selon l'une quelconque des revendications précédentes, caractérisé en ce que les unités de boîtier (2, 2') sont disposées dans un boîtier d'appareil (30) d'un appareil de nettoyage haute pression et sont connectées fixement à celui-ci au moyen d'une unité de connexion (20), l'unité de connexion (20) étant formée de préférence par une connexion par encliquetage desserrable.
  7. Appareil de nettoyage haute pression selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité d'enroulement de tuyau (1') est réalisée sous forme d'unité d'enroulement de tuyau haute pression.
  8. Appareil de nettoyage haute pression selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité d'enroulement de tuyau (1') présente un actionneur qui présente de préférence un entraînement à ressort.
  9. Appareil de nettoyage haute pression selon la revendication 8, caractérisé en ce que l'entraînement à ressort présente un ressort enroulé (4'), qui est formé en particulier au moins en partie par une bande d'acier à ressort, et qui présente de préférence dans au moins un mode de fonctionnement, un nombre d'enroulements d'au moins cinq, notamment d'au moins huit.
  10. Appareil de nettoyage haute pression selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité d'enroulement de tuyau (1') présente un axe de palier (11) ayant au moins un canal d'alimentation (12), et de préférence présente un distributeur périphérique (13) s'étendant radialement vers l'extérieur depuis l'axe de palier (11).
  11. Appareil de nettoyage haute pression selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité d'enroulement de tuyau (1') comprend un dispositif de freinage.
  12. Appareil de nettoyage haute pression selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité d'enroulement de tuyau (1') présente au moins une nervure (15, 16) s'étendant au moins essentiellement parallèlement à un axe d'enroulement (56).
  13. Appareil de nettoyage haute pression selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité d'enroulement de câble (1) est réalisée au moins en partie sous forme automatisée.
  14. Appareil de nettoyage haute pression selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité d'enroulement de câble (1), vue dans la direction d'un axe d'enroulement (56), est prévue pour effectuer l'enroulement sur une couche.
  15. Appareil de nettoyage haute pression selon l'une quelconque des revendications précédentes, caractérisé en ce que l'unité d'enroulement de câble (1) présente au moins un contact frottant (7) pour assurer le contact électrique.
  16. Appareil de nettoyage haute pression selon l'une quelconque des revendications précédentes, caractérisé par un raccord électrique (8) et un raccord de tuyau (7'), qui sont disposés dans des régions d'extrémité du boîtier opposées.
EP08104284A 2007-08-22 2008-06-06 Appareil de nettoyage haute pression Active EP2027939B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007018340U DE202007018340U1 (de) 2007-08-22 2007-08-22 Hochdruckreinigungsgerät
DE102008012359A DE102008012359A1 (de) 2007-08-22 2008-03-03 Hochdruckreinigungsgerät

Publications (2)

Publication Number Publication Date
EP2027939A1 EP2027939A1 (fr) 2009-02-25
EP2027939B1 true EP2027939B1 (fr) 2010-11-17

Family

ID=39942969

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08104284A Active EP2027939B1 (fr) 2007-08-22 2008-06-06 Appareil de nettoyage haute pression

Country Status (3)

Country Link
EP (1) EP2027939B1 (fr)
CN (1) CN101372009B (fr)
DE (2) DE102008012359A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021003027A1 (de) 2021-06-15 2022-12-15 TRO GmbH Teleskopsprühlanze für die Reinigung von Gebäudefassaden

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3940543A1 (de) * 1989-12-07 1991-06-13 Wolf Geraete Gmbh Vertrieb Hochdruckreiniger
DE4119907A1 (de) 1991-06-17 1992-12-24 Juergen Dr Ing Spillecke Tansportables, kompaktes pumpenaggregat
DK129697A (da) * 1997-11-14 1999-05-15 Kew Ind As Højtryksrenser
DE29809473U1 (de) 1998-05-26 1998-10-01 Alfred Kärcher GmbH & Co, 71364 Winnenden Hochdruckreinigungsgerät
FR2793710A1 (fr) 1999-05-20 2000-11-24 Aquasystem Soc Module de nettoyage haute-pression libre-service transportable et amphibie
DE29914193U1 (de) 1999-08-14 1999-10-21 Alfred Kärcher GmbH & Co, 71364 Winnenden Hochdruckreinigungsgerät
AU2003203149A1 (en) 2003-02-05 2004-08-30 Alto Danmark A/S Device for high-pressure cleaning with hose accumulator for high-pressure hose
DE202006007167U1 (de) 2006-05-03 2007-06-21 Syntecs Gmbh Reinigungssysteme Hochdruckreinigungsgerät

Also Published As

Publication number Publication date
CN101372009B (zh) 2013-03-27
CN101372009A (zh) 2009-02-25
DE502008001808D1 (de) 2010-12-30
DE102008012359A1 (de) 2009-02-26
EP2027939A1 (fr) 2009-02-25

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