EP0724916A1 - Machine de nettoyage de tuyaux pour l'entraînement de spirales de nettoyage - Google Patents

Machine de nettoyage de tuyaux pour l'entraînement de spirales de nettoyage Download PDF

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Publication number
EP0724916A1
EP0724916A1 EP96101163A EP96101163A EP0724916A1 EP 0724916 A1 EP0724916 A1 EP 0724916A1 EP 96101163 A EP96101163 A EP 96101163A EP 96101163 A EP96101163 A EP 96101163A EP 0724916 A1 EP0724916 A1 EP 0724916A1
Authority
EP
European Patent Office
Prior art keywords
coupling
housing
clutch
hollow shaft
jaws
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP96101163A
Other languages
German (de)
English (en)
Other versions
EP0724916B1 (fr
Inventor
Jürgen Dipl.-Ing. Trüschler
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.)
Rothenberger Werkzeuge AG
Original Assignee
Rothenberger Werkzeugemaschinen 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
Application filed by Rothenberger Werkzeugemaschinen GmbH filed Critical Rothenberger Werkzeugemaschinen GmbH
Publication of EP0724916A1 publication Critical patent/EP0724916A1/fr
Application granted granted Critical
Publication of EP0724916B1 publication Critical patent/EP0724916B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
    • B08B9/045—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices being rotated while moved, e.g. flexible rotating shaft or "snake"

Definitions

  • the invention relates to a pipe cleaning machine for driving spring shafts through a hollow shaft connected to a drive motor, which is mounted in a machine housing and acts on a rotary coupling with at least two coupling jaws, which is radially and axially movable in recesses delimited by parallel surfaces of a rotatable with the hollow shaft Jaw holder are stored and can be pressed under the influence of a control device on the spring shaft.
  • Pipe cleaning machines of this type with two clutch shoes are known from DE-PS 27 14 124.
  • spring shafts which are relatively torsionally stiff but otherwise flexible coil springs, of which several can also be passed through the hollow shaft of the pipe cleaning machine through specially designed couplings.
  • various cleaning tools can be attached, which are used to drill or cut contaminants in pipelines, which can have a very tortuous course.
  • These tools include, for example, cross-blade drills, ring saws, centrifugal chains, milling heads, etc. It is also possible to pass pressure hoses through the spring shafts, so that an additional flushing action can be generated in the area of the cleaning tool.
  • the jaw holder is rigidly connected to the hollow shaft and is overhung by means of this outside the machine housing.
  • the jaw holder has two approximately rectangular recesses, in which two coupling jaws are arranged diametrically opposite the axis of rotation, which interact via two parallel inclined surfaces with crossbars on the one hand and axially movable tappets on the other, in order to carry out a radial movement through the implementation of an axial movement, through which the Clutch jaws are brought into frictional engagement with the spring shaft.
  • This floating bearing is to be able to dismantle and clean or replace the clutch shoes individually without further disassembly work.
  • the second inclined surfaces are formed by inclined longitudinal grooves in only one side wall of the coupling jaws, so that forces are generated by this one-sided guidance, which at least promote tilting of the coupling jaws.
  • a main problem of the known solution is that the overhung jaw holder due to its sharp corners and edges, which protrude considerably from the machine housing, one poses a certain danger to the operator, since objects can get caught in the relatively jagged surface of the jaw holder when it rotates.
  • a protective housing is supplied, which makes it difficult to replace the individual clutch shoes. In addition, the operator can refrain from unscrewing the protective housing!
  • the invention is therefore based on the object of specifying a pipe cleaning machine of the type described in the introduction, in which rotating parts protruding from the machine housing cannot get caught with other objects and in which the clutch shoes do not have to be handled individually for the purpose of cleaning and / or replacement .
  • the object is achieved in the pipe cleaning machine described in the introduction in that the hollow shaft is rotatably connected at one end to a circumferentially at least substantially closed clutch housing larger inner diameter than the inner diameter of the hollow shaft and that The jaw holder with the clutch jaws is mounted in the clutch housing so that it can rotate, but can be removed in the axial direction.
  • the jaw holder with the coupling jaws thus have the shape and properties of a "coupling cartridge", and the operator of such a pipe cleaning machine can carry a whole series of coupling cartridges with them, whose connection dimensions are matched to the coupling housing of the same pipe cleaning machine, so that it is only the Pulling out such a cartridge from the clutch housing and replacing it with another cartridge is required to convert the pipe cleaning machine in question to a different diameter of the spring shafts.
  • the fixed connection of the clutch housing with the hollow shaft which has a smaller inner diameter, at the same time ensures that no impurities which are carried along by the spring shaft can penetrate into the interior of the machine.
  • a particularly easily detachable and restorable connection of the jaw holder in the clutch housing consists in the use of a bayonet connection known per se.
  • the coupling housing with the jaw holder is accommodated in the machine housing at least over most of its length, which can also be done by a projecting collar attached to the machine housing. This eliminates any risk to the operator from a component rotating at high speed.
  • At least one rotary bearing for the hollow shaft is arranged between the clutch housing and the machine housing. In this way, a floating mounting of the jaw holder is avoided and a tendency to vibrate is suppressed.
  • the second guide body is namely passed through the respective coupling jaw and is supported at both ends in the jaw holder. If the clutch shoe is to be replaced, it is easily possible to drive the second guide body, which can be designed as a cylindrical pin or a grooved pin, out of its two bores, after which the clutch shoe can be removed from the jaw holder by a slight pivoting movement. However, this does not cause any difficulties, since the jaw holder with the clutch jaws is removed as a whole from the clutch housing in the form of a cartridge.
  • the coupling jaws each have a blind bore in the center, the axis of which extends in the direction of the longest cross-sectional axis of the elongated hole and in which between the end of the blind hole and a compression spring is arranged in the guide body located in the elongated hole, by means of which the coupling jaw is displaced into its most open position after the control device has been withdrawn.
  • This central arrangement of the compression springs also generates absolutely symmetrical forces which prevent the coupling jaws from tilting between the parallel walls of the recesses in the jaw holder.
  • the compression spring is protected and is captively trapped between the coupling jaw and the guide body as long as it is not removed. Because the central bore for the compression spring starts from the friction surface, this compression spring can be installed and removed through the friction surface as long as the guide body is not inserted. After inserting the guide body, the compression spring is held captive and protected.
  • a pipe cleaning machine 1 is shown, to which a machine housing 2 belongs, which consists of a frame or a central frame and two lids, but which are not shown or removed here in detail.
  • the machine housing 2 is equipped with casters 3.
  • a hollow shaft 4 with a horizontal axis of rotation A-A is arranged in the interior of the machine housing 2 and is mounted near its front end in a bearing block 5 with a roller bearing 6.
  • the hollow shaft 4 is driven by a belt drive 7 and an electric drive motor 8. Power connections, switches, etc. are shown in a hint, but are not numbered, since these parts of the equipment belong to the prior art.
  • the hollow shaft 4 is provided in a torsion-proof manner with a clutch housing 9, which to a certain extent represents an extension of the hollow shaft 4, but has a significantly larger inner diameter than the hollow shaft 4 itself.
  • This clutch housing is at least essentially closed on the circumference and is composed of two stepped cylinder surfaces limited, of which the larger one forms a support shoulder 10 for two roller bearings 11, via which the clutch housing 9 and thus the other end of the hollow shaft 4 are supported in the machine housing 2.
  • This has on the circumference of the clutch housing 9 or from its support shoulder 10 a projecting annular collar 12, which protects the operator from any accidental contact with the clutch housing 9.
  • the coupling housing 9 is accommodated with its support shoulder 10 over its entire length in the machine housing 2.
  • the coupling housing 9 forms in cooperation with the built-in parts described in more detail below, a rotary coupling 13, of whose jaw holder 14 only a short piece of pipe 15 is visible, which serves as a handle for the removal of the jaw holder, but has no surface irregularities that can be caught with other objects could serve.
  • the rotary clutch 13 is actuated by a control device 16, which will be explained in more detail with reference to FIG. 2.
  • the control device 16 includes an angled hand lever 17, only a portion of which is shown, and which is inserted into the machine housing 2 through a bellows 18.
  • the rotary clutch 13 can be controlled by moving the hand lever 17 up and down in the direction of the double arrow 19, for this purpose the hand lever 17 is connected to a shift fork 20 which is located in the interior of the machine housing 2.
  • FIG. 2 shows the manner in which the hollow shaft 4 is connected to the clutch housing 9 designed as a revolution body, namely by means of a shrink fit.
  • the clutch housing has stepped inner and outer cylinder surfaces and is detachably connected to the jaw holder 14 via a multi-part bayonet connection 21.
  • the jaw holder 14 has a main part 22 in which there are two radial recesses 23 which are delimited by parallel surfaces 24 and 25.
  • the cohesion takes place via a closed ring part 26, in which there are cylindrical pins 27 which are parts of the bayonet connection 21.
  • the jaw holder 14 can be removed from the clutch housing 9 in the axial direction, with the two clutch jaws 28 and 29, which are axially and radially movable between the surfaces 24 and 25.
  • the clutch housing 9 has a much larger inner diameter than the hollow shaft 4.
  • the shoe holder 14 has two guide bodies 30 and 31 for each coupling shoe 28 and 29, which are designed as cylindrical pins, are guided transversely through the recesses 23 and are mounted on both sides of the respective recess 23 in the shoe holder 14. At least the guide bodies 31 can be easily driven out of their bores. That’s why Guide body 30 and 31 clamped at both ends, and there are two symmetrically acting abutments for the clutch shoes.
  • the clutch shoes 28 and 29 each have a first inclined surface 32 for contact with the first guide body 30 and a continuous elongated hole 33 running transversely to the hollow shaft 4, one surface of which has a second inclined surface 34 for the contact the second guide body 31.
  • the two inclined surfaces 32 and 34 run parallel to one another.
  • the coupling jaws also have two plane-parallel side surfaces 35 and 36, so that they are guided with play in the recesses 23, and a friction surface 37 for cooperation with the spring shaft (not shown).
  • the friction surfaces 37 can have a different shape, so that they can also interact with spring shafts of different diameters.
  • the clutch shoes 28 and 29 each have a blind bore 38 in the center, starting from their friction surface 37, the axis 39 of which extends in the direction of the longest cross-sectional axis of the elongated hole 33 and in that between the end of the blind hole 38 and that in the elongated hole located guide body 31, a compression spring 40 is arranged, by means of which the clutch shoes 28 and 29 are moved into their most open position after the control device 16 has been withdrawn.
  • the control device 16 acts on the clutch shoes 28 and 29 by means of axially parallel impacts 41 and 42. These plungers 41 and 42 are fastened to a pressure ring 43 which surrounds the hollow shaft 4 and is displaceable against the action of a pressure spring 44 which is supported on the clutch housing 9 (FIG. 2).
  • the shift occurs with the interposition of a Thrust bearing 45 by means of a sliding sleeve 46 on which the shift fork 20 engages via an articulated connection 47.
  • the shift fork 20 is in turn mounted by means of a hinge pin 49 on a bearing block 48 which is fixedly connected to the machine housing 2.
  • the tappets By pivoting the shift fork by means of the hand lever 17 in a clockwise direction, the tappets are shifted from the relief position shown in FIG. 2, below, into the working position, shown in FIG. 2, above, the clutch shoes 28 and 29 interacting due to the guide bodies 30 and 31 Carry out movements with axial and radial components with the inclined surfaces 32 and 34.
  • the assembly shown in FIG. 3 the so-called clutch cartridge, can be removed from the clutch housing 9 and cleaned and / or replaced by another clutch cartridge (for different diameters of the spring shafts) in the manner already described.
  • FIGs 7 and 8 in which the same reference numerals are used, show a cartridge-shaped jaw holder 14 with three coupling jaws 28, 29 and 50, which are arranged equidistantly on the circumference of the jaw holder 14. There are trough-shaped notches 51 between the recesses in order to make the bores for the pin-shaped guide bodies 30 and 31 easier and to drive the guide bodies themselves more easily.
  • the bayonet connection has also been changed and there are now three cylinder bolts 27.
  • the control device must then also be supplemented by a further tappet.
  • the pipe section 15 was made more grippy by knurling 15a.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Mechanical Operated Clutches (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
EP96101163A 1995-02-02 1996-01-28 Machine de nettoyage de tuyaux pour l'entraínement de spirales de nettoyage Expired - Lifetime EP0724916B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19503276 1995-02-02
DE19503276A DE19503276C1 (de) 1995-02-02 1995-02-02 Antriebsvorrichtung für die Federwelle einer Rohrreinigungsmaschine

Publications (2)

Publication Number Publication Date
EP0724916A1 true EP0724916A1 (fr) 1996-08-07
EP0724916B1 EP0724916B1 (fr) 1998-11-04

Family

ID=7752934

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96101163A Expired - Lifetime EP0724916B1 (fr) 1995-02-02 1996-01-28 Machine de nettoyage de tuyaux pour l'entraínement de spirales de nettoyage

Country Status (7)

Country Link
US (1) US5603136A (fr)
EP (1) EP0724916B1 (fr)
JP (1) JPH08318238A (fr)
AT (1) ATE172896T1 (fr)
AU (1) AU692646B2 (fr)
DE (2) DE19503276C1 (fr)
ES (1) ES2125066T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107202091A (zh) * 2016-03-18 2017-09-26 里奇工具公司 用于管道工具的马达阻尼器和传动系

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6076219A (en) * 1999-01-15 2000-06-20 Irwin; Lawrence F. Waste line clean out apparatus
US6546582B2 (en) * 2001-06-18 2003-04-15 Lee H. Silverman Drain cleaning machine and adjustable collet chuck mechanism therefor
DE202015000547U1 (de) 2015-01-27 2015-03-12 Ooo Gazpron Transgaz Sankt Petersburg Anlage zur Lichtbogen-Plasma-Reinigung der Außenoberfläche von Fernleitungen (Anlage zur Reinigung der Außenoberfläche von Fernleitungen nach dem Lichtbogen-Plasma-Verfahren)
DE102015117888A1 (de) 2015-10-21 2017-04-27 OOO Gazprom transgaz Sankt Petersburg Verfahren zur Lichtbogen-Plasma-Oberflächenreinigung von Metallerzeugnissen und eine Einrichtung hierfür
DE202016008318U1 (de) 2016-04-08 2017-07-21 Andrey Senokosov Maschine zur Plasmareinigung von Rohraußenflächen
CN218945840U (zh) * 2018-08-10 2023-05-02 米沃奇电动工具公司 排水管清洁组件和引导组件
EP3969192A4 (fr) 2019-05-15 2023-04-26 Milwaukee Electric Tool Corporation Dispositif de nettoyage de drains
US11396034B2 (en) 2019-09-30 2022-07-26 Milwaukee Electric Tool Corporation Motor control of a drain cleaning machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2714124A1 (de) * 1977-03-30 1978-10-12 Horst Kluender Antriebseinrichtung eines Rohrreinigungsgeraetes
NL8500014A (nl) * 1985-01-04 1986-08-01 Rior B V Inrichting voor het aandrijven van een schroefvormige buigingsveer, die aan een uiteinde kan worden voorzien van leiding-reinigingsmiddelen.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2318172A (en) * 1939-07-22 1943-05-04 Long Hugh Universal tool
US2940099A (en) * 1956-01-26 1960-06-14 Karl J Kollmann Sewer cleaner
US3213473A (en) * 1963-09-03 1965-10-26 Singer Louis Pipe cleaning device
DE2613944C3 (de) * 1976-04-01 1981-07-23 Rowo Rohrwolf Produktions Ag Und Co Vertriebs Kg, 3436 Hessisch Lichtenau Tragbares Rohrreinigungsgerät mit einer in Umdrehung versetzbaren Drahtwendel
DE3109876A1 (de) * 1981-03-14 1982-09-30 Rothenberger GmbH & Co Werkzeuge-Maschinen KG, 6000 Frankfurt Rohrreinigungsmaschine mit einem behaelter fuer die aufnahme von reinigungsspiralen unterschiedlicher durchmesser
DE9110901U1 (fr) * 1991-09-03 1992-01-02 Horst Kluender Gmbh, 6367 Karben, De

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2714124A1 (de) * 1977-03-30 1978-10-12 Horst Kluender Antriebseinrichtung eines Rohrreinigungsgeraetes
NL8500014A (nl) * 1985-01-04 1986-08-01 Rior B V Inrichting voor het aandrijven van een schroefvormige buigingsveer, die aan een uiteinde kan worden voorzien van leiding-reinigingsmiddelen.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107202091A (zh) * 2016-03-18 2017-09-26 里奇工具公司 用于管道工具的马达阻尼器和传动系
CN107202091B (zh) * 2016-03-18 2020-01-07 里奇工具公司 用于管道工具的马达阻尼器和传动系
US10851868B2 (en) 2016-03-18 2020-12-01 Ridge Tool Company Motor dampener and drive train for plumbing tools
US11815152B2 (en) 2016-03-18 2023-11-14 Ridge Tool Company Motor dampener and drive train for plumbing tools

Also Published As

Publication number Publication date
EP0724916B1 (fr) 1998-11-04
JPH08318238A (ja) 1996-12-03
DE19503276C1 (de) 1996-04-25
AU4218696A (en) 1996-08-08
ATE172896T1 (de) 1998-11-15
AU692646B2 (en) 1998-06-11
US5603136A (en) 1997-02-18
DE59600748D1 (de) 1998-12-10
ES2125066T3 (es) 1999-02-16

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