EP0291830B1 - Waste disposal vehicle - Google Patents

Waste disposal vehicle Download PDF

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Publication number
EP0291830B1
EP0291830B1 EP88107543A EP88107543A EP0291830B1 EP 0291830 B1 EP0291830 B1 EP 0291830B1 EP 88107543 A EP88107543 A EP 88107543A EP 88107543 A EP88107543 A EP 88107543A EP 0291830 B1 EP0291830 B1 EP 0291830B1
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EP
European Patent Office
Prior art keywords
hose
thrust piece
suction hose
guide
drive
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.)
Expired - Lifetime
Application number
EP88107543A
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German (de)
French (fr)
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EP0291830A1 (en
EP0291830B2 (en
Inventor
Udo Th. Thüner
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.)
MABO/HFA-TEC, HANDEL IM- UND EXPORT, FAHRZEUG- UND
Original Assignee
Utef - Mabo Utef Umwelt-Technik Entsorgungs-Fahrzeuge Ges fur Entw Konstruktionen und Patentverwertung Mbh & Co Mabo KG
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Application filed by Utef - Mabo Utef Umwelt-Technik Entsorgungs-Fahrzeuge Ges fur Entw Konstruktionen und Patentverwertung Mbh & Co Mabo KG filed Critical Utef - Mabo Utef Umwelt-Technik Entsorgungs-Fahrzeuge Ges fur Entw Konstruktionen und Patentverwertung Mbh & Co Mabo KG
Priority to AT88107543T priority Critical patent/ATE73883T1/en
Publication of EP0291830A1 publication Critical patent/EP0291830A1/en
Publication of EP0291830B1 publication Critical patent/EP0291830B1/en
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Publication of EP0291830B2 publication Critical patent/EP0291830B2/en
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Classifications

    • 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
    • E03F7/106—Accessories, e.g. hose support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/54—Large containers characterised by means facilitating filling or emptying
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/10—Hydraulically loosening or dislodging undesirable matter; Raking or scraping apparatus ; Removing liquids or semi-liquids e.g., absorbing water, sliding-off mud
    • E01H1/108—Removing liquids or semi- liquids, e.g. absorbing rain water, sucking-off mud
    • 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

Definitions

  • the invention relates to a disposal vehicle with a vacuum container which can be evacuated by means of a vacuum pump for receiving liquid, muddy and / or pourable waste, to which a suction hose for receiving this waste is connected and on the top of which a hose holder is arranged in such a way that the suction hose is pulled off and away from it is traceably received and is guided via a runway articulated to the hose guide and pivotable at least about a horizontal axis, a drive for the movement of the suction hose being provided which is fixed on one side of the vehicle and in particular supported against the vacuum vessel.
  • Disposal vehicles of this type are used both in the field of municipal waste disposal and in the field of industrial waste disposal.
  • the waste materials that are disposed of may be affected by the negative pressure. captured with suctioned air from the suction hose, picked up and conveyed into the vacuum container. This presupposes that the suction hose can be immersed in the waste material to be disposed of, which is often located underground for reasons of space or container.
  • a disposal vehicle with a container to be filled advantageously from above is required, in which the free end of the suction hose can be brought out to different lengths in a simple manner.
  • disposal vehicles with a swivel joint on the top of the container, the swivel joint being connected to an inlet nozzle, and a swiveling and liftable one on the swivel joint Provide arm that serves as a guide for the suction hose. This arm allows the free end of the suction hose to be lowered into manholes, but, if the hose cannot be lowered sufficiently deep, particularly when the hose is lowered into underground containers or manholes, coupling of an extension piece cannot be avoided.
  • the DD-PS 79 689 proposes an extendable guide device which is able to guide the pressure hose to be pulled off a reel in a desired direction.
  • the DD-PS 79 698 proposes a guide device designed as a flexible column, which e.g. arranged on the suction vehicle facilitates the retraction and extension of the hose in a simple manner. But here too the reel with the necessary rotary connection is retained.
  • DE-OS 30 38 339 picks up on the technical problem and suggests, in order to improve the possibility of introducing a suction hose into a pit of a suction truck, to design a disposal vehicle in which the suction hose is in a hose holder (in one embodiment) on the Vacuum receptacle is located, which is designed in the shape of a circular arc and in which the suction hose lying therein can be extended or retracted by means of a swivel arm which can be rotated about the center point of the arc.
  • the extension or retraction is carried out with a drive that is fixed to the vehicle on one side.
  • the suction hose runs over an articulated drainage guide, which allows the exact positioning of the suction hose with respect to the insertion opening of the pit in a simple manner pivotable about a horizontal axis.
  • This arrangement also uses a swivel joint with the associated difficulties to connect the swivel arm to the receptacle.
  • the fixed hose receptacle provided on the apex of the vacuum container with guide profiles arranged on both sides of the central plane of the vacuum container and running essentially axially parallel is able to receive the drawn-in suction hose (e.g. while driving).
  • the thrust piece which can be moved along the guide profiles, on the one hand causes a hose deflection by an approximately 180 arc and, on the other hand, in cooperation with the drive, extends the suction hose at the place of use or retracts it after the suction has ended.
  • Such a loop guide of a hose that can be pulled out to a desired length is already known from petrol stations, e.g. in U.S. Patent 2,345,338.
  • the filling hose forms a vertical loop; for this purpose, it is guided over a deflection wheel forming a movable roller, the mass of which holds the loop under tension.
  • the (relatively) easily movable filling hose can be pulled out by hand and, after use, is usually not easily brought back into its position by the weight of the mass raised when it is pulled out.
  • This retraction by means of a raised mass presupposes a vertical arrangement which cannot be used because of the special conditions in waste disposal technology - there is a risk that the downward apex of the "U" will become clogged. Extending the hose without a tensile force acting on the hose end is not possible with this arrangement.
  • the guide profiles are U-profiles on the vacuum container, the open sides of which face each other, the suction hose being accommodated in the U-profile.
  • the thrust piece with the hose deflection is guided by the guide profiles, the hose deflection is located between the guide profiles.
  • the thrust piece has guide elements which can be designed as sliding pieces or as rollers, the sliding pieces advantageously being made of low-friction plastic or provided with a low-friction coating and the rollers being able to be arranged as outer rollers or inner rollers
  • the thrust piece of the hose deflection guided by the guide profiles can grip around or engage in the guide profiles. In this case, it is advisable to provide appropriately arranged slide or roller bearings in order to give the thrust piece the necessary ease of movement and to prevent it from tilting.
  • the drive means which engage in the center or symmetrically to the center plane on both sides of the thrust piece, are supported on one side in a vehicle-fixed manner on the vacuum container and act with their free end on the thrust piece.
  • All types of drives can be provided, such as spindle drives, hydraulic or pneumatic cylinders, rack and pinion drives, cable winch drives or the like.
  • the synchronization is important, since even a slight difference between the drive on one side and the drive on the other can cause the thrust piece to tilt and thus, in the limit case, to block the feed.
  • Such synchronization is e.g. achieved with a double spindle drive, both spindles being driven by a motor without slippage or in the case of a rack and pinion drive, the pinions causing the feed being also driven by a drive motor while seated on a common shaft.
  • the running run is expediently guided over a runway provided with sliders or rollers.
  • this runway which can also be pivoted about a vertical axis in the horizontal plane and / or a horizontal axis in the vertical plane, the length of the free suction hose end can be changed in a simple manner in conjunction with the length of the free suction hose deflection which is caused by the position of the thrust piece of the hose deflection Reach hose positioning to lower the hose into the medium to be sucked up.
  • the adjustment is expediently carried out hydraulically or pneumatically via swivel motors or swivel cylinders.
  • locking members are useful which prevent the hose from "bulging". These locking elements must cooperate with the thrust piece of the hose deflection in such a way that when the thrust piece is moved, the hose unlocks where it leaves the guide profile and enters the hose deflection and can leave or enter the guide profile and that outside the area of the thrust piece the locking elements can leave the hose keep in the management profile.
  • release means cooperating with the locking members are provided on the thrust piece.
  • the locking members can be designed as a weight-loaded pendulum or spring-loaded plunger or lever, being a trigger on the thrust piece seen finger, which can be provided with a terminal ball bearing to reduce friction and for better triggering, or a rail running along the thrust piece parallel to the guide profiles is provided.
  • the infeed ends of these rails are designed as inclined surfaces and act as an inclined plane on which a finger or a lever arm connected to the plunger runs.
  • rollers are provided at the front ends of the locking parts of the locking members, which roll on the surface of the hose.
  • the arrangement of the locking members can be connected to the uprights of the guide profiles; additional supports for such locking members can also be provided between the elevations for the guide profiles on the vacuum container. It goes without saying that, in particular in the case of guide profiles extending beyond the vacuum container, these can also be used as carrier-fixed supports for the locking members. It is irrelevant whether the thrust piece of the hose deflection engages around the guide profiles or engages in the guide profiles; in both cases, the arrangement of the locking members on the guide profile is possible independently of a stand carrying the guide profile on the vacuum container.
  • FIG. 1 shows a disposal vehicle with a disposal container built on a chassis 2 provided with wheels 2.1, in front of which the driver's cab 4 is located.
  • the pump unit 5 required for suction is arranged to the side of the disposal container.
  • the hose guide 7 with the slide 9 is arranged on the top of the container, the hose guide 7 being supported with supports 8 relative to the container jacket.
  • the hose 6 emerging from the hose guide 7 is guided over a curved slideway 10, the slideway 10 being articulated to a plate 11 which has a vertical pivot axis S H and thus allows pivoting in the horizontal plane and to which the slideway with a horizontal one Axis S v is articulated so that it can be pivoted in the vertical plane.
  • the pivoting is advantageously carried out by motor (the drives used for this are not shown in detail).
  • the disposal container 3 is closed on its rear side with the lid 3.1, which is articulated on the container jacket and can be opened with the aid of the cylinders 3.2.
  • the runway 10 for the hose 6 must be pivoted out of the pivoting range of the lid. 2 shows the vehicle in its rear view; the position of the slideway 10 is selected such that it is not in its end position according to FIG. 1, by pivoting the plate 11 (FIG. 1) about the axis S H , the depending hose end 6 with the hose mouth 6.2 can be via the container 3 carried away sideways next to him.
  • Fig. 3 shows the top view of the disposal container (without vehicle), here the two guide profiles 7.1 and 7.2 can be seen on the right and left of the container, as well as the suction hose inlet 6.1, where the suction hose is guided over a curved piece over the top of the container and with a short Introduction is passed through the jacket of the container.
  • the deflection of the hose 6 is effected by a hose deflection with a thrust piece 9, guide rollers 9.1 guiding the hose in the desired manner.
  • the thrust piece 9 is moved in both directions by a drive shown as a cylinder 13, depending on whether the hose 6 is to be relaxed or caught up.
  • FIG. 4 shows two embodiments of the push piece 9, in FIG. 1 the push piece 9 engages in the guide profiles, while in FIG. 4b the push piece 9 engages around the guide profiles 7. Since the representations are symmetrical to the central axis, they are only shown in half.
  • the hose 6 runs into the thrust piece and is held and guided by the guide rollers 6.1.
  • the thrust piece 9 guided by the guide profiles 7 can slide freely therein, be guided with guide strips, or — as shown — be supported with rollers 15.
  • corner rollers 15.1 are shown, which engage in the edges of the guide profile 7 and thus support the thrust piece 9 of the hose deflection.
  • Fig. 4a corner rollers 15.1 are shown, which engage in the edges of the guide profile 7 and thus support the thrust piece 9 of the hose deflection.
  • Fig. 15.1 corner rollers 15.1 are shown, which engage in the edges of the guide profile 7 and thus support the thrust piece 9 of the hose deflection.
  • 4b surface rollers 15.2 are shown, which ensure a rolling movement of the thrust piece 9 distributed over the length of the guide profiles 7. It goes without saying that it is irrelevant whether the rollers are provided on the thrust piece 9 or on the guide profile 7 if only the purpose of reducing the friction of the thrust piece in the guide profiles and its guidance is achieved.
  • 4a shows the point of attack for the drive as a bolt receptacle 9.2 in the plane of symmetry for a center drive, corresponding to FIG. 3; 4b shows symmetrical attack eyes 9.2 for eccentric drives, corresponding to FIG. 7.
  • a trigger bar 16 is provided on the thrust piece 9, which cooperate with the locking members 17 and 18 (FIG. 8, FIG. 9), causing the hose to be correctly positioned in the guide profiles 7.
  • FIG. 5 finally shows a longitudinal section through the thrust piece 9, cut near the middle plane, the thrust piece 9 engaging in the guide profile 7 according to FIG. 4a.
  • the guide wheels 9.1 adapted to the hose profile guide the hose 6 in the region of its deflection.
  • the movement of the thrust piece 9 is brought about by force transmission to the (centrally arranged) stop 9.2, the stop 9.2 being connected to the force-transmitting member of the drive.
  • the rail 16 which triggers the locking members 17 and 18 (FIGS. 8, 9) shows the sliding surfaces which act as inclined planes and which are important for trouble-free unlocking.
  • 6 shows the corner roller bearing of FIG. 4a in detail, the wheel-shaped rollers 15.1 provided in the corners of the thrust piece 9 engaging in the corner edges of the guide profile 7.
  • FIG. 7 shows a spindle drive as an example of a symmetrical drive type, the spindles 14.2 being forcibly driven synchronously by a drive motor 14 via chains or toothed belt drives 14.1.
  • the thrust piece 9 is therefore also forcibly displaced in parallel by the interaction of the nuts 9.2 with the spindles 14.2, so that canting and thus malfunctions caused by canting are excluded.
  • Such synchronous drives are not limited to spindles, it goes without saying that rack and pinion drives with pinions, driven by a common motor, also meet this condition.
  • 8 and 9 show two possibilities with which the hose lying in the guide profiles 7 can be held and secured outside the thrust piece.
  • 8 shows a support 8 which is mounted on the container wall 3 and which carries the guide profile 7.
  • a ram cage is provided on this guide profile with a cover plate 17.4 and a base plate 17.6, which are kept at a distance from one another by the side walls 17.5.
  • the plunger 17, which cooperates with a spring 17.3, moves in this plunger cage, the spring 17.3 being supported with one side against the end plate 17.6 of the plunger cage and with its other end against a ring 17.1 fastened to the plunger 17.
  • This ring 17.1 is provided with a finger-like extension 17.2 protruding from the tappet cage, which cooperates with the rail 16. Propulsion and guidance of the thrust piece 9 is - accordingly
  • Fig. 4b formed by rollers 15.2 and spindle drive with nut 9.2.
  • the plunger is in the position 17 'shown in broken lines, the plunger finger 17.2 is in the region of the entry into the rail 16 (FIG. 5) and the spring 17.3 is (largely) relaxed.
  • the thrust piece 9 is advanced, the finger 17.2 slides onto the inclined inlet surface of the rail 16 as if on an inclined plane and is pressed downwards in accordance with the advance until the rail height and thus the maximum deflection is reached. In this position, the plunger 17 is fully immersed in the front panel 17.4.
  • Fig. 9 shows the same situation with a lever-locking member 18, wherein the thrust piece 9 and guide profile 17 are formed according to Fig. 4a.
  • a cranked part of the lever 18.3 receives one end of a spring 18.2, the other end of which is connected to the support 8. This spring is tensioned by the rail 16 when the lever 18 is deflected, it supplies the force which forces the lever 18 back into the position 18 shown in broken lines outside the region of the rail 16.
  • connection shown with the support 8 is not necessary.
  • the Befe is for hose guides that extend beyond the length of the container (see Fig. 1) inclination on the fixed guide profile 7 possible.
  • Another embodiment of the locking member is that of a weight-loaded pendulum which is articulated to the guide profile 7.
  • the pendulum rod 19 is rotatable about the pivot axis 19.2, which in turn is mounted either directly in the guide profile or in an intermediate piece 7.1 connected to the guide profile.
  • a pendulum mass 19.3 At the lower end of the pendulum there is a pendulum mass 19.3, which ensures that the pendulum that is not triggered remains in a vertical position.
  • the upwardly projecting free end 19.1 of the pendulum 19 lies in front of the hose 6 lying in the guide profile and blocks it.
  • the pendulums 19 lying approximately horizontally are released when the last finger 16.1 (or its ball bearing) attached to the bar 16 disappears from the pendulum region.
  • the free end 19.1 of the pendulum straightens up and, due to the weight load, presses the hose (if it should not yet be guided through the deflection rollers into the guide profile) into the guide profile 7.
  • the inclined surface 19.4 provided on the front of the locking projection 19.1 of the pendulum helps to press the hose 6 into the guide profile 7 as an inclined plane if the hose is not deep enough in the guide profile 7 due to any circumstances is introduced.
  • a roller attached to or near the front end of the plunger 17 of the lever 18 or the projection 19.1 of the pendulum 19 with an axis of rotation parallel to the guide profile has a similar effect.
  • a roller arranged at or near the front end of the plunger 17 of the lever 18 or the protrusion 19.1 of the pendulum with an axis of rotation in the plunger, lever arm or protrusion direction permits easier movement of the hose 6 in the guide profile 7.

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  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Public Health (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Refuse Collection And Transfer (AREA)
  • Refuse-Collection Vehicles (AREA)
  • Sewage (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)

Abstract

In order, in a waste disposal vehicle having a vacuum container, which can be evacuated by means of a vacuum pump, for receiving liquid, slimy and/or pourable waste, the vacuum container being connected to a suction hose intended for receiving this waste, to keep the suction-line inlet into the vacuum container free from additional forces and to be able to take off the length of suction line required for a particular case, there is arranged on the top of the vacuum container (3) a fixed hose guide (7) having guide profiles (7.1, 7.2) arranged on both sides of the median plane of the vacuum container (3) and extending substantially axially parallel, and also a push-piece (9), displaceable along the guide profiles (7.1, 7.2), for turning the hose around, the suction hose, firmly connected at one end via a connection piece (6.1) to the vacuum container (3), being guided in each of the fixed guide profiles (7.1, 7.2) and being turned around in the push-piece (9) with an arc enclosing approximately 180 DEG . <IMAGE>

Description

Die Erfindung betrifft ein Entsorgungsfahrzeug mit einem mittels einer Vakuumpumpe evakuierbaren Vakuumbehälter zur Aufnahme flüssiger, schlammiger und/oder schüttfähiger Abfälle, an den ein Saugschlauch zum Aufnehmen dieser Abfälle angeschlossen und auf dessen Scheitel eine Schlauchaufnahme derart angeordnet ist, daß der Saugschlauch von ihr abzieh- und rückführbar aufgenommen und über eine an die Schlauchführung angelenkte, zumindest um eine horizontale Achse schwenkbare Ablaufbahn geführt ist, wobei ein einseitig fahrzeugfester, insbesondere gegen den Vakuumkessel abgestützer Antrieb für die Bewegung des Saugschlauches vorgesehen ist.The invention relates to a disposal vehicle with a vacuum container which can be evacuated by means of a vacuum pump for receiving liquid, muddy and / or pourable waste, to which a suction hose for receiving this waste is connected and on the top of which a hose holder is arranged in such a way that the suction hose is pulled off and away from it is traceably received and is guided via a runway articulated to the hose guide and pivotable at least about a horizontal axis, a drive for the movement of the suction hose being provided which is fixed on one side of the vehicle and in particular supported against the vacuum vessel.

Derartige Entsorgungsfahrzeuge werden sowohl im Bereich kommunaler Entsorgungen, als auch im Bereich von Industrie-Entsorgungen eingesetzt. Die zur Entsorgung gelangenden Abfallstoffe werden durch den Unterdruck u.U. mit angesaugter Luft vom Saugschlauch erfaßt, aufgenommen und in den Vakuumbehälter gefördert. Dies setzt voraus, daß der Saugschlauch in den in einem oft aus Platzgründen auch unterirdisch angeordneten Tank oder einem Behälter vorhandenen, zu entsorgenden Abfallstoff eintauchen kann. In ähnlicher Weise tritt das Problem auf bei der Reinigung von unterirdischer Kanalsystemen, aus denen z.B. beim Spülen gelöste Schlämme durch einen Revisionsschacht hindurch aufgenommen und in ein Entsorgungsfahrzeug gesaugt werden sollen. In all diesen Fällen bedarf es eines Entsorgungsfahrzeugs mit vorteilhafterweise von oben zu befüllenden Behälter, bei dem das freie Ende des Saugschlauches in einfacher Weise auf unterschiedliche Länge ausbringbar ist. Abgesehen von der sehr arbeitsintensiven Lösung dieses Problems durch Zusammensetzen der Schlauchleitung aus einzelnen Abschnitten, wurde bereits vorgeschlagen, Entsorgungsfahrzeuge mit einem Drehgelenk auf dem Scheitel des Behälters zu versehen, wobei das Drehgelenk mit einem Einlaufstutzen verbunden ist, und auf dem Drehgelenk einen schwenk- und hebbaren Arm vorzusehen, der als Führung des Saugschlauches dient. Dieser Arm gestattet ein Absenken des freien Endes des Saugschlauches in Schächte, wobei jedoch, wenn besonders beim Absenken des Schlauches in unterirdische Behälter oder Schächte nicht hinreichend tief absenkbar ist, ein Ankuppeln eines Verlängerungsstückes nicht vermieden werden kann.Disposal vehicles of this type are used both in the field of municipal waste disposal and in the field of industrial waste disposal. The waste materials that are disposed of may be affected by the negative pressure. captured with suctioned air from the suction hose, picked up and conveyed into the vacuum container. This presupposes that the suction hose can be immersed in the waste material to be disposed of, which is often located underground for reasons of space or container. Similarly, the problem arises when cleaning underground sewer systems, e.g. Sludge loosened during rinsing is to be taken up through an inspection shaft and sucked into a disposal vehicle. In all of these cases, a disposal vehicle with a container to be filled advantageously from above is required, in which the free end of the suction hose can be brought out to different lengths in a simple manner. In addition to the very labor-intensive solution to this problem by assembling the hose line from individual sections, it has already been proposed to provide disposal vehicles with a swivel joint on the top of the container, the swivel joint being connected to an inlet nozzle, and a swiveling and liftable one on the swivel joint Provide arm that serves as a guide for the suction hose. This arm allows the free end of the suction hose to be lowered into manholes, but, if the hose cannot be lowered sufficiently deep, particularly when the hose is lowered into underground containers or manholes, coupling of an extension piece cannot be avoided.

Aus der DE-AS 1 082 860 ist bekannt, einen Saugschlauch über einen Ausleger anzuheben bzw. abzusenken, so daß das freie Saugende des Saugschlauches ohne Veränderung der Länge des freien Saugendes in einen Revisionsschacht oder in eine Grube eingebracht werden kann. Zur Führung des Schlauches schlägt die DD-PS 79 689 ein ausfahrbares Leitgerät vor, das den von einer Haspel abzuziehenden Druckschlauch in eine gewünschte Richtung zu führen in der Lage ist.From DE-AS 1 082 860 it is known to raise or lower a suction hose via a boom, so that the free suction end of the suction hose can be introduced into a revision shaft or a pit without changing the length of the free suction end. To guide the hose, the DD-PS 79 689 proposes an extendable guide device which is able to guide the pressure hose to be pulled off a reel in a desired direction.

Es wurde auch bereits vorgeschlagen (DE-GM 80 01 876) anstelle des Schwenkarmes eine Saugschlauchhaspel einzusetzen, die um eine im wesentlichen vertikale Achse in horizontaler Ebene drehbar ein "Abspulen" des Saugschlauches gestattet. Bei den im Straßenverkehr zulässigen Fahrzeugbreiten ist der Durchmesser einer solchen Schlauchhaspel begrenzt und - wegen des zulässigen Krümmungsradius für Saugschläuche - auch die Zahl der auf die Haspel aufbringbaren Windungen. Die abspulbare Schlauchlänge ist somit begrenzt; darüber hinaus muß das die Saugleitungs-Durchführung bildende Drehgelenk sämtliche statischen und dynamischen Kräfte auch während des Saugbetriebes aufnehmen. Um bei dem Abziehen des Schlauches von der Haspel eine sichere Führung des Schlauches zu erreichen, schlägt die DD-PS 79 698 ein als biegsame Säule ausgebildetes Leitgerät vor, das z.B. auf dem Saugfahrzeug angeordnet das Ein- und Ausfahren des Schlauches in einfacher Weise erleichtert. Aber auch hier bleibt die Haspel mit dem notwendigen Drehanschluß erhalten.It has also already been proposed (DE-GM 80 01 876) to use a suction hose reel instead of the swivel arm, which allows the suction hose to be “unwound” rotatably about a substantially vertical axis in the horizontal plane. With the vehicle widths permitted in road traffic, the diameter of such a hose reel is limited and - because of the permitted radius of curvature for suction hoses - the number of turns that can be applied to the reel. The hose length that can be unwound is thus limited; In addition, the swivel joint forming the suction line leadthrough must absorb all static and dynamic forces even during suction operation. In order to ensure that the hose is reliably guided when the hose is pulled off the reel, the DD-PS 79 698 proposes a guide device designed as a flexible column, which e.g. arranged on the suction vehicle facilitates the retraction and extension of the hose in a simple manner. But here too the reel with the necessary rotary connection is retained.

Schließlich greift die DE-OS 30 38 339 das technischen Problem auf, und schlägt zur Verbesserung der Möglichkeit des Einbringens eines Saugschlauches in eine Grube von einem Saugwagen eine Ausbildung eines Entsorgungsfahrzeugs vor, bei der der Saugschlauch in einer Schlauchaufnahme (bei einer Ausführungsform) auf dem Vakuum-Aufnahmebehälter liegt, die kreisbogenförmig ausgebildet ist und bei der der in ihr liegende Saugschlauch mittels eines um den Kreismittelpunkt des Bogens drehbaren Schwenkarm ausgefahren bzw. eingezogen werden kann. Das Ausfahren bzw. das Einziehen erfolgt mit einem einseitig fahrzeugfest abgestützen Antrieb. Bei dieser Bewegung läuft der Saugschlauch über eine angelenkte Ablaufführung, die um eine horizontale Achse schwenkbar das genaue Positionieren des Saugschlauches hinsichtlich der Einführöffnung der Grube in einfacher Weise gestattet. Auch diese Anordnung benutzt zur Verbindung des Schwenkarmes mit dem Aufnahmebehälter ein Drehgelenk mit den damit verbundenen Schwierigkeiten.Finally, DE-OS 30 38 339 picks up on the technical problem and suggests, in order to improve the possibility of introducing a suction hose into a pit of a suction truck, to design a disposal vehicle in which the suction hose is in a hose holder (in one embodiment) on the Vacuum receptacle is located, which is designed in the shape of a circular arc and in which the suction hose lying therein can be extended or retracted by means of a swivel arm which can be rotated about the center point of the arc. The extension or retraction is carried out with a drive that is fixed to the vehicle on one side. During this movement, the suction hose runs over an articulated drainage guide, which allows the exact positioning of the suction hose with respect to the insertion opening of the pit in a simple manner pivotable about a horizontal axis. This arrangement also uses a swivel joint with the associated difficulties to connect the swivel arm to the receptacle.

Daraus stellt sich die der Erfindung zugrunde liegende Aufgabe ein Entsorgungsfahrzeug der angegebenen Gattung unter Erhaltung der Möglichkeit, die benötigte Schlauchlänge abziehen und zurückführen zu können, so weiterzubilden, daß ein besonderen Kraftaufwand des Bedienungspersonals für die Schlauchbewegung entfällt, ein Drehgelenk für die Schlaucheinführung in den Aufnahmebehälter vermieden und diese frei von zusätzlichen Kräften gehalten wird, wobei das Fahrzeug einfach und wirtschaftlich zu betreiben und ohne wesentlichen Mehraufwand herstellbar sein und für bestehende Fahrzeuge eine Nachrüstbarkeit gegeben sein soll.This is the object of the invention, a disposal vehicle of the type specified while maintaining the possibility of being able to pull off and return the required hose length, so that a special effort on the part of the operating personnel for the hose movement is eliminated, a swivel joint for the hose insertion into the receptacle avoided and this free of additional Chen forces is maintained, the vehicle to be operated easily and economically and can be produced without significant additional effort and a retrofit should be given for existing vehicles.

Diese Aufgabe wird nach der Erfindung gelöst durch die im Kennzeichen des Anspruchs 1 beschriebenen Merkmale; vorteilhafte Weiterbildungen und bevorzugte Ausführungsformen sind in den Unteransprüchen beschrieben.This object is achieved according to the invention by the features described in the characterizing part of claim 1; advantageous developments and preferred embodiments are described in the subclaims.

Die auf dem Scheitel des Vakuumbehälters vorgesehene feste Schlauchaufnahme mit beidseits der Mittelebene des Vakuumbehälters angeordneten, im wesentlichen achsparallel verlaufenden Führungsprofile ist in der Lage, den eingezogenen Saugschlauch (z.B. während der Fahrt) aufzunehmen. Das längs der Führungsprofile bewegbare Schubstück bewirkt zum einen eine Schlauchumlenkung um einen etwa 180 umfassenden Bogen und zum anderen im Zusammenwirken mit dem Antrieb das Ausfahren des Saugschlauches am Einsatzort bzw. sein Einfahren nach Beendigung des Aufsaugens. Zwar ist eine derartige Schlaufenführung eines auf eine gewünschte Länge ausziehbaren Schlauches schon von Tankstellen bekannt, wie z.B. in der US-PS 2 345 338 beschrieben. Nach diesem Vorschlag bildet der Füllschlauch eine vertikale Schlaufe; er ist dazu über ein eine bewegliche Rolle bildendes Umlenkrad geführt, dessen Masse die Schlaufe gespannt hält. Der (relativ) leicht bewegbare Füllschlauch ist von Hand ausziehbar und er wird nach Gebrauch in aller Regel nicht ohne weiteres durch die Gewichtskraft der beim Ausziehen angehobenen Masse in seine Lage zurückgebracht. Dieses Zurückziehen mittels einer angehobenen Masse setzt eine vertikale Anordnung voraus, die wegen der besonderen Verhältnisse in der Entsorgungstechnik - es besteht die Gefahr, daß der nach unten gerichtete Scheitel des "U" sich zusetzt - nicht angewandt werden kann. Ein Ausfahren des Schlauches ohne eine auf das Schlauchende wirkende Zugkraft ist bei dieser Anordnung nicht möglich.The fixed hose receptacle provided on the apex of the vacuum container with guide profiles arranged on both sides of the central plane of the vacuum container and running essentially axially parallel is able to receive the drawn-in suction hose (e.g. while driving). The thrust piece, which can be moved along the guide profiles, on the one hand causes a hose deflection by an approximately 180 arc and, on the other hand, in cooperation with the drive, extends the suction hose at the place of use or retracts it after the suction has ended. Such a loop guide of a hose that can be pulled out to a desired length is already known from petrol stations, e.g. in U.S. Patent 2,345,338. According to this proposal, the filling hose forms a vertical loop; for this purpose, it is guided over a deflection wheel forming a movable roller, the mass of which holds the loop under tension. The (relatively) easily movable filling hose can be pulled out by hand and, after use, is usually not easily brought back into its position by the weight of the mass raised when it is pulled out. This retraction by means of a raised mass presupposes a vertical arrangement which cannot be used because of the special conditions in waste disposal technology - there is a risk that the downward apex of the "U" will become clogged. Extending the hose without a tensile force acting on the hose end is not possible with this arrangement.

Vorteilhaft ist es die Führungsprofile als auf dem Vakuumbehälter aufgeständerte U-Profile auszubilden, deren offene Seiten einander zugewandt sind, wobei der Saugschlauch in dem U-Profil Platz findet. Das Schubstück mit der Schlauchumlenkung wird dabei von den Führungsprofilen geführt, die Schlauchumlenkung befindet sich zwischen den Führungsprofilen. Zur reibungsarmen Umlenkung des Schlauches weist das Schubstück Führungselemente auf, die als Gleitstücke oder als Rollen ausgebildet sein können, wobei die Gleitstücke vorteilhaft aus reibungsarmen Kunststoff oder mit reibungsarmer Beschichtung versehen hergestellt werden und wobei die Rollen als Außenrollen oder Innenrollen angeordnet sein könnenIt is advantageous to design the guide profiles as U-profiles on the vacuum container, the open sides of which face each other, the suction hose being accommodated in the U-profile. The thrust piece with the hose deflection is guided by the guide profiles, the hose deflection is located between the guide profiles. For low-friction deflection of the hose, the thrust piece has guide elements which can be designed as sliding pieces or as rollers, the sliding pieces advantageously being made of low-friction plastic or provided with a low-friction coating and the rollers being able to be arranged as outer rollers or inner rollers

Das von den Führungsprofilen geführte Schubstück der Schlauchumlenkung kann die Führungsprofile umgreifen oder in diese eingreifen. Dabei empfiehlt es sich zweckmäßig angeordnete Gleit-oder Rollenlager vorzusehen, um dem Schubstück die notwendige Leichtgängigkeit zu erteilen und einem Verkanten vorzubeugen.The thrust piece of the hose deflection guided by the guide profiles can grip around or engage in the guide profiles. In this case, it is advisable to provide appropriately arranged slide or roller bearings in order to give the thrust piece the necessary ease of movement and to prevent it from tilting.

Die Antriebsmittel, die mittig oder symmetrisch zur Mittelebene beidseits am Schubstück angreifen, sind einseitig fahrzeugfest am Vakuumbehälter abgestützt und wirken mit ihrem freien Ende auf das Schubstück ein. Dabei können alle Antriebsarten vorgesehen sein, wie Spindelantrieb, Hydraulik-oder Pneumatikzylinder, Zahnstangentrieb, Seilwindentrieb oder ähnliche. Bei symmetrisch angeordneten Antrieben ist die Synchronisierung bedeutsam, da schon ein geringer Unterschied zwischen dem Antrieb der einen und dem Antrieb der anderen Seite zu einer Verkantung des Schubstückes und so im Grenzfall zu einer Blockierung des Vorschubs führen kann. Eine derartige Synchronisierung wird z.B. mit einem Doppelspindelantrieb erreicht, wobei beide Spindeln schlupflos von einem Motor angetrieben werden oder bei einem Zahnstangenantrieb, wobei die den Vorschub bewirkenden Ritzel auf gemeinsamer Welle sitzend ebenfalls von einem Antriebsmotor angetrieben werden.The drive means, which engage in the center or symmetrically to the center plane on both sides of the thrust piece, are supported on one side in a vehicle-fixed manner on the vacuum container and act with their free end on the thrust piece. All types of drives can be provided, such as spindle drives, hydraulic or pneumatic cylinders, rack and pinion drives, cable winch drives or the like. In the case of drives arranged symmetrically, the synchronization is important, since even a slight difference between the drive on one side and the drive on the other can cause the thrust piece to tilt and thus, in the limit case, to block the feed. Such synchronization is e.g. achieved with a double spindle drive, both spindles being driven by a motor without slippage or in the case of a rack and pinion drive, the pinions causing the feed being also driven by a drive motor while seated on a common shaft.

Das ablaufende Trum wird zweckmäßigerweise über eine mit Gleitstücken oder Rollen versehene Ablaufbahn geführt. Durch diese Ablaufbahn, die zusätzlich noch um eine vertikale Achse in horizontaler Ebene und/oder eine horizontale Achse in vertikaler Ebene schwenkbar ist, läßt sich in einfacher Weise in Verbindung mit der durch die Stellung des Schubstücks der Schlauchumlenkung veränderlichen Länge des freien Saugschlauch-Endes die Schlauchpositionierung zum Absenken des Schlauches in das aufzusaugende Medium erreichen. Die Verstellung erfolgt dabei zweckmäßigerweise hydraulisch oder pneumatisch über Schwenkmotoren oder Schwenkzylinder.The running run is expediently guided over a runway provided with sliders or rollers. Through this runway, which can also be pivoted about a vertical axis in the horizontal plane and / or a horizontal axis in the vertical plane, the length of the free suction hose end can be changed in a simple manner in conjunction with the length of the free suction hose deflection which is caused by the position of the thrust piece of the hose deflection Reach hose positioning to lower the hose into the medium to be sucked up. The adjustment is expediently carried out hydraulically or pneumatically via swivel motors or swivel cylinders.

Um ein einwandfreies Einlegen des Schlauches in die Führungsprofile zu erreichen sind Sperrglieder zweckmäßig, die ein "Ausbeulen" des Schlauches unterbinden. Diese Sperrglieder müssen mit den Schubstück der Schlauchumlenkung so zusammenwirken, daß beim Verschieben des Schubstückes der Schlauch dort wo er das Führungsprofil verläßt und in die Schlauchumlenkung einläuft entsperrt das Führungsprofil verlassen bzw. in dieses einlaufen kann und daß außerhalb des Bereichs des Schubstückes die Sperrglieder den Schlauch im Führungsprofil halten. Dazu sind am Schubstück mit den Sperrgliedern zusammenwirkende Auslösemittel vorgesehen. Die Sperrglieder können als gewichtsbelastete Pendel bzw. federbelastete Stössel oder Hebel ausgebildet sein,
wobei als Auslösemittel ein am Schubstück vorgesehener Finger, der zur Herabsetzung der Reibung und zum besseren Auslösen mit einem endständigen Kugellager versehen sein kann, oder eine längs des Schubstückes parallel zu den Führungsprofilen verlaufende Schiene vorgesehen ist. Zur leichten Auslösung werden dabei die Einlaufenden dieser Schienen als Schrägflächen ausgebildet und wirken als schiefe Ebene, auf die ein mit dem Stössel verbundener Finger bzw. ein Hebelarm aufläuft. Um die Bewegung des Sperrgliedes in die Sperrstellung nicht zu hemmen ist es vorteilhaft das vordere Ende des sperrenden Teiles mit einer Schrägfläche zu versehen, die den Schlauch, sollte er noch nicht tief genug im Führungsprofil liegen, als schiefe Ebene in dieses eindrückt. Weiter ist es vorteilhaft die axiale Bewegbarkeit des im Führungsprofil liegenden Schlauches dadurch sicher zu stellen, daß an den vorderen Enden der sperrenden Teile der Sperrglieder Rollen vorgesehen sind, die auf der Oberfläche des Schlauches abrollen. Die Anordnung der Sperrglieder kann mit den Ständern der Führungsprofile verbunden werden, es können auch zwischen den Aufständerungen für die Führungsprofile auf dem Vakuumbehälter zusätzliche Halterungen für derartige Sperrglieder vorgesehen sein. Es versteht sich von selbst, daß insbesondere bei über den Vakuumbehälter hinaus reichenden Führungsprofilen diese ebenfalls als behälterfeste Träger der Sperrglieder eingesetzt werden können. Dabei ist es unerheblich, ob das Schubstück der Schlauchumlenkung die Führungsprofile umgreift oder in die Führungsprofile eingreift; in beiden Fällen ist die Anordnung der Sperrglieder am Führungsprofil unabhängig von einem, das Führungsprofil auf dem Vakuumbehälter tragenden Ständer möglich.In order to ensure that the hose is correctly inserted into the guide profiles, locking members are useful which prevent the hose from "bulging". These locking elements must cooperate with the thrust piece of the hose deflection in such a way that when the thrust piece is moved, the hose unlocks where it leaves the guide profile and enters the hose deflection and can leave or enter the guide profile and that outside the area of the thrust piece the locking elements can leave the hose keep in the management profile. For this purpose, release means cooperating with the locking members are provided on the thrust piece. The locking members can be designed as a weight-loaded pendulum or spring-loaded plunger or lever,
being a trigger on the thrust piece seen finger, which can be provided with a terminal ball bearing to reduce friction and for better triggering, or a rail running along the thrust piece parallel to the guide profiles is provided. For easy triggering, the infeed ends of these rails are designed as inclined surfaces and act as an inclined plane on which a finger or a lever arm connected to the plunger runs. In order not to inhibit the movement of the locking member into the locking position, it is advantageous to provide the front end of the locking part with an inclined surface which, if it is not yet deep enough in the guide profile, presses the hose as an inclined plane into it. It is also advantageous to ensure the axial movability of the hose lying in the guide profile in that rollers are provided at the front ends of the locking parts of the locking members, which roll on the surface of the hose. The arrangement of the locking members can be connected to the uprights of the guide profiles; additional supports for such locking members can also be provided between the elevations for the guide profiles on the vacuum container. It goes without saying that, in particular in the case of guide profiles extending beyond the vacuum container, these can also be used as carrier-fixed supports for the locking members. It is irrelevant whether the thrust piece of the hose deflection engages around the guide profiles or engages in the guide profiles; in both cases, the arrangement of the locking members on the guide profile is possible independently of a stand carrying the guide profile on the vacuum container.

Das Wesen der Erfindung wird anhand der Figuren 1 bis 9 beispielhaft geschildert. Dabei zeigen:

  • Fig. 1 ein Entsorgungsfahrzeug in Seitansicht,
  • Fig. 2 ein Entsorgungsfahrzeug in rückwärtiger Ansicht,
  • Fig. 3 den Vakuumbehälter in Aufsicht,
  • Fig. 4 Querschnitt durch Führungsprofil mit Schubstück der Schlauchumlenkung (mittig geschnitten)
    • Fig. 4a: Schubstück in Führungsprofile eingreifend,
    • Fig. 4b: Schubstück Führungsprofile umgreifend,
  • Fig. 5 Längsschnitt durch Schubstück (ohne Führungsprofile),
  • Fig. 6 Beispiel für Rollenführung eines in das Führungsprofil eingreifenden Schubstücks,
  • Fig. 7 Antrieb des Schubstücks als Doppelspindelantrieb,
  • Fig. 8 federbelasteter Stössel als Sperrglied bei das Führungsprofil umgreifenden Schubstück,
  • Fig. 9 als Hebel ausgebildetes Sperrglied bei in das Führungsprofil eingreifendem Schubstück.
  • Fig. 10 als Pendel ausgebildetes Sperrglied bei das Führungsprofil umgreifendem Schubstück
The essence of the invention is described by way of example with reference to FIGS. 1 to 9. Show:
  • 1 is a disposal vehicle in side view,
  • 2 is a disposal vehicle in rear view,
  • 3 the vacuum container in supervision,
  • 4 cross section through guide profile with thrust piece of the hose deflection (cut in the middle)
    • 4a: thrust piece engaging in guide profiles,
    • 4b: thrust piece encompassing guide profiles,
  • 5 longitudinal section through thrust piece (without guide profiles),
  • 6 example of roller guidance of a thrust piece engaging in the guide profile,
  • 7 drive of the thrust piece as a double spindle drive,
  • 8 spring-loaded plunger as a locking member in the thrust piece encompassing the guide profile,
  • Fig. 9 formed as a locking member with engaging in the guide profile thrust piece.
  • Fig. 10 formed as a pendulum locking member in the guide profile encompassing thrust piece

Die Fig. 1 zeigt ein Entsorgungsfahrzeug mit auf einem mit Rädern 2.1 versehenen Chassis 2 aufgebautem Entsorgungsbehälter, vor dem sich das Führerhaus 4 befindet. Seitlich neben dem Entsorgungsbehälter ist das zum Saugen notwendige Pumpenaggregat 5 angeordnet. Auf dem Behälterscheitel ist die Schlauchführung 7 mit dem Gleitstück 9 angeordnet, wobei die Schlauchführung 7 mit Stützen 8 gegenüber dem Behältermantel abgestützt ist. Der aus der Schlauchführung 7 austretende Schlauch 6 wird über eine gebogene Gleitbahn 10 geführt, wobei die Gleitbahn 10 an einen Teller 11 angelenkt ist, der eine vertikale Schwenkachse SH aufweist und so ein schwenken in horizontaler Ebene erlaubt und an den die Gleitbahn mit einer horizontalen Achse Sv so angelenkt ist, daß sie in vertikaler Ebene verschwenkt werden kann. Das Verschwenken wird vorteilhaft motorisch vorgenommen (die dazu dienenden Antriebe sind nicht näher dargestellt). Der Entsorgungsbehälter 3 ist auf seiner Rückseite mit dem Deckel 3.1 verschlossen, der an den Behältermantel angelenkt, mit Hilfe der Zylinder 3.2 aufgefahren werden kann. Zum Auffahren des Behälters muß die Ablaufbahn 10 für den Schlauch 6 aus dem Schwenkbereich des Deckels verschwenkt werden. Die Fig. 2 zeigt das Fahrzeug in seiner Rückansicht; die Stellung der Gleitbahn 10 ist dabei so gewählt, daß sie entsprechend Fig. 1 nicht in ihrer Endposition ist, durch Schwenken des Tellers 11 (Fig. 1) um die Achse SH kann das herabhängende Schlauchende 6 mit der Schlauchmündung 6.2 über den Behälter 3 hinweggeführt seitlich neben ihm gelagert werden.1 shows a disposal vehicle with a disposal container built on a chassis 2 provided with wheels 2.1, in front of which the driver's cab 4 is located. The pump unit 5 required for suction is arranged to the side of the disposal container. The hose guide 7 with the slide 9 is arranged on the top of the container, the hose guide 7 being supported with supports 8 relative to the container jacket. The hose 6 emerging from the hose guide 7 is guided over a curved slideway 10, the slideway 10 being articulated to a plate 11 which has a vertical pivot axis S H and thus allows pivoting in the horizontal plane and to which the slideway with a horizontal one Axis S v is articulated so that it can be pivoted in the vertical plane. The pivoting is advantageously carried out by motor (the drives used for this are not shown in detail). The disposal container 3 is closed on its rear side with the lid 3.1, which is articulated on the container jacket and can be opened with the aid of the cylinders 3.2. To open the container, the runway 10 for the hose 6 must be pivoted out of the pivoting range of the lid. 2 shows the vehicle in its rear view; the position of the slideway 10 is selected such that it is not in its end position according to FIG. 1, by pivoting the plate 11 (FIG. 1) about the axis S H , the depending hose end 6 with the hose mouth 6.2 can be via the container 3 carried away sideways next to him.

Die Fig. 3 zeigt die Aufsicht auf den Entsorgungsbehälter (ohne Fahrzeug), hier sind die beiden Führungsprofile 7.1 und 7.2 rechts und links am Behälter erkennbar, ebenso die Saugschlaucheinführung 6.1, wo der Saugschlauch über ein gekrümmtes Stück über den Behälterscheitel geführt und mit einer kurzen Einführung durch den Mantel des Behälters geleitet wird. Die Umlenkung des Schlauches 6 wird durch eine Schlauchumlenkung mit Schubstück 9 bewirkt, wobei Führungsrollen 9.1 den Schlauch in der gewünschten Weise leiten. Das Schubstück 9 wird durch einen als Zylinder 13 dargestellten Antrieb in beiden Richtungen bewegt, je nach dem ob der Schlauch 6 nachgelassen oder eingeholt werden soll.Fig. 3 shows the top view of the disposal container (without vehicle), here the two guide profiles 7.1 and 7.2 can be seen on the right and left of the container, as well as the suction hose inlet 6.1, where the suction hose is guided over a curved piece over the top of the container and with a short Introduction is passed through the jacket of the container. The deflection of the hose 6 is effected by a hose deflection with a thrust piece 9, guide rollers 9.1 guiding the hose in the desired manner. The thrust piece 9 is moved in both directions by a drive shown as a cylinder 13, depending on whether the hose 6 is to be relaxed or caught up.

Die Figuren 4 zeigen zwei Ausführungsformen des Schubstückes 9, in Fig. 1 greift das Schubstück 9 in die Führungsprofile ein, während in der Fig. 4b das Schubstück 9 die Führungsprofile 7 umgreift. Da die Darstellungen symmetrisch zur Mittelachse sind, sind sie jeweils nur ein-hälftig dargestellt. Der Schlauch 6 läuft in das Schubstück ein und wird von den Führungsrollen 6.1 gehalten und geführt. Das von den Führungsprofilen 7 geführte Schubstück 9 kann in diesen frei gleiten, mit Führungsleisten geführt sein, oder - wie dargestellt - mit Rollen 15 abgestützt sein. In der Fig. 4a sind Eckrollen 15.1 dargestellt, die in die Kanten des Führungsprofils 7 eingreifen und so das Abstützen des Schubstückes 9 der Schlauchumlenkung bewirken. In der Fig. 4b sind Flächenrollen 15.2 dargestellt, die über die Länge der Führungsprofile 7 verteilt eine abrollende Bewegung des Schubstükkes 9 sicherstellen. Es versteht sich von selbst, daß es unerheblich ist, ob die Rollen am Schubstück 9 oder am Führungsprofil 7 vorgesehen sind, wenn nur der Zweck das Herabsetzen der Reibung des Schubstückes in den Führungsprofilen und seine Führung erreicht wird. In der Fig. 4a ist die Angriffsstelle für den Antrieb als Bolzenaufnahme 9.2 in der Symmetrieebene dargestellt für einen Mittenantrieb, entsprechend Fig. 3; in der Fig. 4b sind symmetrische Angriffsaugen 9.2 für außermittige Antriebe, entsprechend Fig. 7 dargestellt. Darüber hinaus ist am Schubstück 9 eine Auslöseleiste 16 vorgesehen, die mit den Sperrgliedern 17 und 18 (Fig. 8, Fig. 9) zusammenwirken, eine einwandfreie Lage des Schlauches in den Führungsprofilen 7 bewirkt. Die Fig. 5 zeigt schließlich einen Längsschnitt durch das Schubstück 9, geschnitten nahe der Mittelebene, wobei das Schubstück 9 entsprechend der Fig. 4a in das Führungsprofil 7 eingreift. Die dem Schlauchprofil angepaßten Führungsräder 9.1 führen den Schlauch 6 im Bereich seiner Umlenkung. Die Bewegung des Schubstückes 9 wird durch Kraftübertragung auf den (mittig angeordneten) Anschlag 9.2 bewirkt, wobei der Anschlag 9.2 mit dem die Kraft übertragenden Glied des Antriebs verbunden wird. Die die Sperrglieder 17 und 18 (Fig. 8,9) auslösende Schiene 16 zeigt die als schiefe Ebenen wirkenden Aufgleitflächen, die für das störungsfreie Entsperren wichtig sind. In der Fig. 6 ist im Detail die Eckrollen-Lagerung der Fig. 4a dargestellt, wobei die in den Ecken des Schubstückes 9 vorgesehenen radförmigen Rollen 15.1 in die Eckanten des Führungsprofils 7 eingreifen.4 shows two embodiments of the push piece 9, in FIG. 1 the push piece 9 engages in the guide profiles, while in FIG. 4b the push piece 9 engages around the guide profiles 7. Since the representations are symmetrical to the central axis, they are only shown in half. The hose 6 runs into the thrust piece and is held and guided by the guide rollers 6.1. The thrust piece 9 guided by the guide profiles 7 can slide freely therein, be guided with guide strips, or — as shown — be supported with rollers 15. In Fig. 4a corner rollers 15.1 are shown, which engage in the edges of the guide profile 7 and thus support the thrust piece 9 of the hose deflection. In Fig. 4b surface rollers 15.2 are shown, which ensure a rolling movement of the thrust piece 9 distributed over the length of the guide profiles 7. It goes without saying that it is irrelevant whether the rollers are provided on the thrust piece 9 or on the guide profile 7 if only the purpose of reducing the friction of the thrust piece in the guide profiles and its guidance is achieved. 4a shows the point of attack for the drive as a bolt receptacle 9.2 in the plane of symmetry for a center drive, corresponding to FIG. 3; 4b shows symmetrical attack eyes 9.2 for eccentric drives, corresponding to FIG. 7. In addition, a trigger bar 16 is provided on the thrust piece 9, which cooperate with the locking members 17 and 18 (FIG. 8, FIG. 9), causing the hose to be correctly positioned in the guide profiles 7. 5 finally shows a longitudinal section through the thrust piece 9, cut near the middle plane, the thrust piece 9 engaging in the guide profile 7 according to FIG. 4a. The guide wheels 9.1 adapted to the hose profile guide the hose 6 in the region of its deflection. The movement of the thrust piece 9 is brought about by force transmission to the (centrally arranged) stop 9.2, the stop 9.2 being connected to the force-transmitting member of the drive. The rail 16 which triggers the locking members 17 and 18 (FIGS. 8, 9) shows the sliding surfaces which act as inclined planes and which are important for trouble-free unlocking. 6 shows the corner roller bearing of FIG. 4a in detail, the wheel-shaped rollers 15.1 provided in the corners of the thrust piece 9 engaging in the corner edges of the guide profile 7.

Als Beispiel für eine symmetrische Antriebsart ist in Fig. 7 ein Spindelantrieb dargestellt, wobei die Spindeln 14.2 von einem Antriebsmotor 14 über Ketten oder Zahnriementriebe 14.1 zwangsweise synchron angetrieben werden. Das Schubstück 9 wird durch das Zusammenwirken der Muttern 9.2 mit den Spindeln 14.2 daher auch zwangsweise parallel verschoben, so daß ein Verkanten und damit durch Verkanten bedingte Betriebsstörungen ausgeschlossen ist. Derartige Synchronantriebe sind nicht auf Spindeln beschränkt, es versteht sich von selbst, daß auch Zahnstangenantriebe mit Ritzeln,angetrieben von einem gemeinsamen Motor diese Bedingung erfüllen.7 shows a spindle drive as an example of a symmetrical drive type, the spindles 14.2 being forcibly driven synchronously by a drive motor 14 via chains or toothed belt drives 14.1. The thrust piece 9 is therefore also forcibly displaced in parallel by the interaction of the nuts 9.2 with the spindles 14.2, so that canting and thus malfunctions caused by canting are excluded. Such synchronous drives are not limited to spindles, it goes without saying that rack and pinion drives with pinions, driven by a common motor, also meet this condition.

Die Fig. 8 und 9 zeigen zwei Möglichkeiten, mit denen der in den Führungsprofilen 7 liegende Schlauch außerhalb des Schubstückes gehalten und gesichert werden kann. In der Fig. 8 ist eine auf der Behälterwand 3 montierte Stütze 8 zu erkennen, die das Führungsprofil 7 trägt. An diesem Führungsprofil ist ein Stösselkäfig mit einer Deckplatte 17.4 und einer Bodenplatte 17.6 vorgesehen, die durch die Seitenwände 17.5 in Abstand voneinander gehalten sind. In diesem Stösselkäfig bewegt sich der Stössel 17, der mit einer Feder 17.3 zusammenwirkt, wobei sich die Feder 17.3 mit einer Seite gegen die Endplatte 17.6 des Stösselkäfigs und mit ihrem anderen Ende gegen einen am Stössel 17. befestigten Ring 17.1 abstützt. Dieser Ring 17.1 ist mit einer fingerartigen, aus dem Stösselkäfig ragenden Verlängerung 17.2 versehen, die mit der Schiene 16 zusammenwirkt. Vortrieb und Führung des Schubstückes 9 ist - entsprechend8 and 9 show two possibilities with which the hose lying in the guide profiles 7 can be held and secured outside the thrust piece. 8 shows a support 8 which is mounted on the container wall 3 and which carries the guide profile 7. A ram cage is provided on this guide profile with a cover plate 17.4 and a base plate 17.6, which are kept at a distance from one another by the side walls 17.5. The plunger 17, which cooperates with a spring 17.3, moves in this plunger cage, the spring 17.3 being supported with one side against the end plate 17.6 of the plunger cage and with its other end against a ring 17.1 fastened to the plunger 17. FIG. This ring 17.1 is provided with a finger-like extension 17.2 protruding from the tappet cage, which cooperates with the rail 16. Propulsion and guidance of the thrust piece 9 is - accordingly

Fig. 4b durch Rollen 15.2 und Spindelantrieb mit Mutter 9.2 ausgesbildet. Außerhalb des Wirkungsbereichs der Schiene 16 befindet sich der Stössel in der gestrichelt dargestellten Stellung 17', der Stösselfinger 17.2 liegt im Bereich des Einlaufs in die Schiene 16 (Fig. 5) und die Feder 17.3 ist (weitgehend) entspannt. Bei Vorschub des Schubstückes 9 gleitet der Finger 17.2 auf die schräge Einlauffläche der Schiene 16 wie auf eine schiefe Ebene auf und wird entsprechend dem Vorschub nach unten gedrückt, bis die Schienenhöhe und somit die maximale Auslenkung erreicht ist. In dieser Stellung ist der Stössel 17 voll in die Frontplatte 17.4 eingetaucht.Fig. 4b formed by rollers 15.2 and spindle drive with nut 9.2. Outside the area of action of the rail 16, the plunger is in the position 17 'shown in broken lines, the plunger finger 17.2 is in the region of the entry into the rail 16 (FIG. 5) and the spring 17.3 is (largely) relaxed. When the thrust piece 9 is advanced, the finger 17.2 slides onto the inclined inlet surface of the rail 16 as if on an inclined plane and is pressed downwards in accordance with the advance until the rail height and thus the maximum deflection is reached. In this position, the plunger 17 is fully immersed in the front panel 17.4.

Die Fig. 9 zeigt die gleichen Verhältnisse mit einem Hebel-Sperrglied 18, wobei Schubstück 9 und Führungsprofil 17 entsprechend Fig. 4a ausgebildet sind. Die wiederum am Schubstück 9 befestigte Schiene 16 wirkt auf den Hebel 18 ein, der an der Stütze 8 mittels eines als Drehachse wirkenden Bolzens 18.1 befestigt ist. Ein abgekröpfter Teil des Hebels 18.3 nimmt das eine Ende einer Feder 18.2 auf, deren anderes Ende mit der Stütze 8 verbunden ist. Diese Feder wird beim Auslenken des Hebels 18 durch die Schiene 16 gespannt, sie liefert die Kraft die den Hebel 18 außerhalb des Bereichs der Schiene 16 in die gestrichelt dargestellte Position 18 zurück zwingt.Fig. 9 shows the same situation with a lever-locking member 18, wherein the thrust piece 9 and guide profile 17 are formed according to Fig. 4a. The rail 16, which is in turn fastened to the thrust piece 9, acts on the lever 18, which is fastened to the support 8 by means of a bolt 18.1 acting as an axis of rotation. A cranked part of the lever 18.3 receives one end of a spring 18.2, the other end of which is connected to the support 8. This spring is tensioned by the rail 16 when the lever 18 is deflected, it supplies the force which forces the lever 18 back into the position 18 shown in broken lines outside the region of the rail 16.

Bei beiden Ausführungsformen des Sperrglieds ist die dargestellte Verbindung mit der Stütze 8 nicht notwendig. Für über die Behälterlänge hinaus geführte Schlauchführungen (s. Fig. 1) ist die Befestigung am gestellfesten Führungsprofil 7 möglich.In both embodiments of the locking member, the connection shown with the support 8 is not necessary. The Befe is for hose guides that extend beyond the length of the container (see Fig. 1) inclination on the fixed guide profile 7 possible.

Eine weitere Ausführungsform des Sperrgliedes ist die eines gewichtsbelasteten Pendels, das an das Führungsprofil 7 angelenkt ist. Die Pendelstange 19 ist dabei um die Schwenkachse 19.2 drehbar, die ihrerseits entweder direkt im Führungsprofil oder in einem mit dem Führungsprofil verbundenen Zwischenstück 7.1 gelagert ist. Am unteren Ende des Pendels befindet sich eine Pendelmasse 19.3, die dafür sorgt, daß das nicht ausgelöste Pendel in vertikaler Position verharrt. Dabei liegt das nach oben überstehende freie Ende 19.1 des Pendels 19 vor dem im Führungsprofil liegenden Schlauch 6 und sperrt diesen. Erreicht das Schubstück 9 mit seinem, an der Schiene 16 vorgesehenen Finger 16.1 das Pendel 19, wird dieses in Bewegungsrichtung des Schubstückes 9 mitgenommen, sein freies Ende 19.1 verschwenkt gegen die Bewegungsrichtung und gibt den Schlauch 6 frei. Ein am Ende des Fingers 16.1 angebrachtes Kugellager 16.2 setzt die Reibung herab und erleichtert das Mitnehmen. Um das Pendel 19 im gesamten Bereich des Schubstückes 9 in horizontaler Position zu halten, ist es zweckmäßig die Leiste 16 über die gesamte Länge des Schubstükkes 9 zu führen und im Abstand kürzer als der Pendelarm verteilt Finger 16.1 bzw. Kugellager 16.2 vorzusehen. Beim Zurückziehen des Schubstücks werden die in etwa waagerechter Lage liegenden Pendel 19 dann freigegeben, wenn der an der Leiste 16 befestigte letzte Finger 16.1 (bzw. sein Kugellager) aus dem Pendelbereich verschwindet. Der Bewegung folgend richtet sich das freie Ende 19.1 des Pendels auf und drückt durch die Gewichtsbelastung den Schlauch (sofern er noch nicht durch die Umlenkrollen in das Führungsprofil geführt sein sollte) in das Führungsprofil 7.
Die an der Vorderseite des sperrenden Überstandes 19.1 des Pendels vorgesehene Schrägfläche 19.4 (wie auch am Stössel 17 oder am Hebel 18) hilft als schiefe Ebene den Schlauch 6 in das Führungsprofil 7 einzudrücken, wenn der Schlauch durch irgendwelche Umstände nicht tief genug in das Führungsprofil 7 eingeführt ist. Eine am oder nahe am vorderen Ende des Stössels 17 des Hebels 18 oder des Überstands 19.1 des Pendels 19 befestigte Rolle mit Drehachse parallel zum Führungsprofil erfüllt eine ähnliche Wirkung. Eine am oder nahe dem vorderen Ende des Stössels 17 des Hebels 18 bzw. des Überstands 19.1 des Pendels angeordnete Rolle mit Drehachse in Stössel-, Hebelarm- bzw. Überstandrichtung erlaubt eine leichtere Bewegbarkeit des Schlauches 6 im Führungsprofil 7.Another embodiment of the locking member is that of a weight-loaded pendulum which is articulated to the guide profile 7. The pendulum rod 19 is rotatable about the pivot axis 19.2, which in turn is mounted either directly in the guide profile or in an intermediate piece 7.1 connected to the guide profile. At the lower end of the pendulum there is a pendulum mass 19.3, which ensures that the pendulum that is not triggered remains in a vertical position. The upwardly projecting free end 19.1 of the pendulum 19 lies in front of the hose 6 lying in the guide profile and blocks it. If the push piece 9 reaches the pendulum 19 with its finger 16.1 provided on the rail 16, this is taken along in the direction of movement of the push piece 9, its free end 19.1 swivels against the direction of movement and releases the hose 6. A ball bearing 16.2 attached to the end of the finger 16.1 reduces the friction and makes it easier to take along. In order to keep the pendulum 19 in the entire area of the thrust piece 9 in a horizontal position, it is advisable to guide the bar 16 over the entire length of the thrust piece 9 and to provide fingers 16.1 or ball bearings 16.2 distributed at a distance shorter than the pendulum arm. When the thrust piece is withdrawn, the pendulums 19 lying approximately horizontally are released when the last finger 16.1 (or its ball bearing) attached to the bar 16 disappears from the pendulum region. Following the movement, the free end 19.1 of the pendulum straightens up and, due to the weight load, presses the hose (if it should not yet be guided through the deflection rollers into the guide profile) into the guide profile 7.
The inclined surface 19.4 provided on the front of the locking projection 19.1 of the pendulum (as well as on the plunger 17 or on the lever 18) helps to press the hose 6 into the guide profile 7 as an inclined plane if the hose is not deep enough in the guide profile 7 due to any circumstances is introduced. A roller attached to or near the front end of the plunger 17 of the lever 18 or the projection 19.1 of the pendulum 19 with an axis of rotation parallel to the guide profile has a similar effect. A roller arranged at or near the front end of the plunger 17 of the lever 18 or the protrusion 19.1 of the pendulum with an axis of rotation in the plunger, lever arm or protrusion direction permits easier movement of the hose 6 in the guide profile 7.

Claims (14)

1. Disposal vehicle (1) having a vacuum container (3) which can be evacuated by means of a vacuum pump (5), for receiving liquid, sludgy and/or pourable waste products, to which vacuum container a suction hose (6) is connected to receive said waste products, and on the apex of which a hose receptacle (7) is arranged in such a way that the suction hose (6) is received by said hose receptacle so that it is removable and returnable and is guided via a slipway (10) which is linked to the hose guide and can be swivelled at least about a horizontal axis, a drive being provided for the movement of the suction hose (6), which drive is fixed to the vehicle on one side and is, in particular, supported against the vacuum vessel, characterised in that the hose receptacle is formed by guide profiles (7.1, 7.2), which extend on both sides of the vertical longitudinal centre plane of the vacuum container (3) essentially parallel to said plane, are open towards one another and whose height is at least equal to the diameter of the suction hose (6) and whose depth is at least equal to 1/3 of said diameter, and by a thrust piece (9), which is arranged between the guide profiles (7.1, 7.2), is guided by the latter, interacts with the drive (13, 14) and is provided with guide means, engaging on the outer and on the inner arc of the suction hose (6) to deflect the suction hose (6) about an arc covering approximately 180 °.
2. Disposal vehicle according to Claim 1, characterised in that the thrust piece (9) of the hose deflection has guide elements in the form of sliding or rolling bearings which interact with the guide profiles (7.1, 7.2), engage in the latter or grip around them.
3. Disposal vehicle according to Claim 1 or 2, characterised in that the thrust piece (9) of the hose deflection has guide elements in the form of sliding blocks, preferably with a low-friction coating, which interact with the suction hose (6).
4. Disposal vehicle according to Claim 1 or 2, characterised in that the thrust piece (9) of the hose deflection has guide elements in the form of outer or inner rollers (9.1) which are adapted to the diameter of the suction hose (6) which interact with the suction hose (6).
5. Disposal vehicle according to one of Claims 1 to 4, characterised in that the drive for the movement of the thrust piece (9) is constructed as a spindle drive (14, 14.1, 14.2), at least one spindle (14.2) interacting with a drive connection (9.2) which is provided on the thrust piece (9) and is constructed as a nut.
6. Disposal vehicle according to Claim 5, characterised in that the spindle drive is provided with a double spindle (14.2), each one of the spindles (14.2) being arranged in the region of one of the guide profiles (7.1; 7.2).
7. Disposal vehicle according to one of Claims 1 to 4, characterised in that the drive for the movement of the thrust piece (9) is constructed as a hydraulic or pneumatic cylinder (13).
8. Disposal vehicle according to one of Claims 1 to 4, characterised in that the drive for the movement of the thrust piece (9) is constructed as a rack drive having at least one rack, preferably two racks being connected in each case to one of the guide profiles, and the thrust piece (9) of the hose deflection being provided with the displacement motor interacting with the rack/s.
9. Disposal vehicle according to one of Claims 1 to 4, characterised in that the drive for the movement of the thrust piece (9) is constructed as a cable winch drive.
10. Disposal vehicle according to one of Claims 1 to 9, characterised in that, in addition to the swivellability about the horizontal axis (Sv) of its attachment (12) to the corresponding guide profile (7.1; 7.2), the slipway (10), arranged at the outlet of the free portion of the suction hose (6) and guiding the latter over sliding blocks or rollers, can also be swivelled in a horizontal plane about a vertical axis (SH) of a hinge (11) provided on the apex of the vacuum container (3).
11. Disposal vehicle according to Claim 10, characterised in that the slipway (10) can be moved by motor drive, preferably hydraulically or pneumatically, about the vertical axis (SH) of the hinge (11) or about the horizontal axis (Sv) of the attachment (12).
12. Disposal vehicle according to one of Claims 1 to 11, characterised in that the C-shaped guide profiles (7.1, 7.2) are provided with blocking members (17; 18; 19) which are distributed over their length, are attached movably to the guide profiles (7.1, 7.2), can be released by the thrust piece (9) of the hose deflection at least during forward movement, and hold the suction hose (6) in the guide profiles (7.1; 7.2), and in that the thrust piece (9), in turn, has release means which are arranged on both sides and interact with the blocking members in such a way that the suction hose (6), which passes into the region of the hose deflection during forward movement, is released and locked again when the hose deflection is driven back.
13. Disposal vehicle according to Claim 12, characterised in that the blocking members are constructed as weight-loaded pendulums (19), the pendulum rod having a projection (19.1) which protrudes beyond the pivot and blocks the suction hose (6), and the release means, arranged on the thrust piece (9), having at least one pin (16.1) protruding into the region of the pendulum (19).
14. Disposal vehicle according to Claim 12, characterised in that the blocking members are constructed as spring-loaded rams (17) having a projecting finger (17.2), the finger fastening (17.1) serving as abutment for a spring (17.3) whose other end is supported on the ram housing (17.4, 17.5, 17.6), and in that the release means, arranged on the thrust piece (9), are constructed as rails (16) which extend over approximately the length of said thrust piece, interact with the fingers (17.2) and whose inlet portions have sloping surfaces, the height of the rails (16) corresponding to the stroke height of the rams (17) which is necessary to release the suction hose (6), and the blocking members preferably being provided on their blocking parts (17; 18; 19.1), interacting with the suction hose (6), with a roller which can roll off on the surface of the suction hose (6).
EP88107543A 1987-05-17 1988-05-11 Waste disposal vehicle Expired - Lifetime EP0291830B2 (en)

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AT88107543T ATE73883T1 (en) 1987-05-17 1988-05-11 DISPOSAL VEHICLE.

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DE8707098U DE8707098U1 (en) 1987-05-17 1987-05-17 Disposal vehicle
DE8707098U 1987-05-17

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EP0291830B1 true EP0291830B1 (en) 1992-03-18
EP0291830B2 EP0291830B2 (en) 2001-12-05

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DE3869198D1 (en) 1992-04-23
EP0291830A1 (en) 1988-11-23
EP0291830B2 (en) 2001-12-05
DE8707098U1 (en) 1988-06-23
ATE73883T1 (en) 1992-04-15

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