EP0004025B1 - Refuse vehicle with a refuse-collecting rotary drum - Google Patents

Refuse vehicle with a refuse-collecting rotary drum Download PDF

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Publication number
EP0004025B1
EP0004025B1 EP79100589A EP79100589A EP0004025B1 EP 0004025 B1 EP0004025 B1 EP 0004025B1 EP 79100589 A EP79100589 A EP 79100589A EP 79100589 A EP79100589 A EP 79100589A EP 0004025 B1 EP0004025 B1 EP 0004025B1
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EP
European Patent Office
Prior art keywords
rotary drum
girder
ball bearing
large ball
pinion
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
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EP79100589A
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German (de)
French (fr)
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EP0004025A1 (en
Inventor
Herbert Ing. Grad. Schmidt
Erwin Kurz
Rudolf Ing. Grad. Berger
Erich Ing. Grad. Pilz
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.)
Trasformazione Societaria faun Umwelttechnik Aktie
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Industrie Werke Karlsruhe Ausburg AG
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Publication of EP0004025A1 publication Critical patent/EP0004025A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
    • B65F3/00—Vehicles particularly adapted for collecting refuse
    • B65F3/14—Vehicles particularly adapted for collecting refuse with devices for charging, distributing or compressing refuse in the interior of the tank of a refuse vehicle
    • B65F3/22—Vehicles particularly adapted for collecting refuse with devices for charging, distributing or compressing refuse in the interior of the tank of a refuse vehicle with screw conveyors, rotary tanks

Definitions

  • the invention relates to a refuse collection vehicle with a rotating drum serving as a collecting container, the rear open end wall of which can be closed by a non-rotatable cover equipped with a screw-shaped baffle acting as a clearing and pressing screw for the waste, and the front end wall of which is mounted on a central pivot in a bearing block and their rear-side mounting via a large ball bearing with attachment of its outer ring to a lower support, which is axially supported on a pin which sits on a subframe attached to the vehicle frame below the drum axis line, and which lies loosely on the subframe on both sides of the pin transversely to the rotary drum axis line , wherein at the rear end of the rotary drum, a ring gear is attached to its rotary drive by a pinion on its outer jacket.
  • FIG. 1 of the following drawings Such a refuse collection vehicle is known from DE-PS 1 144 185 and its essential elements are shown in FIG. 1 of the following drawings. It carries a rotating drum 1, the rear end of which is closed by an end cover 2 which is held on the chassis 3 and can be folded up relative to the rotating drum.
  • the cover 2 carries a truncated hollow cone 5 protruding into the inside of the rotating drum, on the outside of which a screw-shaped baffle 6 is fastened, which extends from the upper vertex S on the cover plate to about 180 ° to a point E on the inner truncated cone plane and thus an incline has, which extends over the entire depth of the truncated cone 5 in the said angular range.
  • the guide plate 6 is extended in the radial direction by a further 90 ° in the form of a segment of a circle. It serves to prevent the bulk material, which is conveyed axially by the screw conveying action of the guide plate 6 in cooperation with driving ribs running axially on the end cover 2 and on the rotating drum interior, and which is forced into the rotating drum interior by screw conveyors 7 from falling back into this packing chamber.
  • the rotary drum 1 is rotated and held in accordance with FIG. 1 via a ring gear 8 welded onto the circumference and a power take-off 9 derived from the vehicle drive, shown in dash-dot lines.
  • the drive units themselves are mounted in an auxiliary frame 10, which is set up for the special features of the actual useful structure, so that a standard truck chassis can be used.
  • the known storage of the rotating drum on the chassis described at the outset is characterized by a trouble-free interplay between the rotating drum, which is to be regarded as a rigid structure, and the cover held by the chassis or subframe even when the chassis twists, as occurs, for example, on uneven terrain can since it is a three point bearing.
  • the rear bearing of the rotating drum via a large ball bearing 11 with its outer ring attached to a lower carrier 12 has already become known (DE-GM 7 132 410) and has the advantage of making optimum use of the profile light width limited by road traffic regulations for the rotating drum diameter can. It has the storage of the end cap, the storage of its opening cylinder and the storage of the lid lock on arms independently attached to each other on the outer ring of the large ball bearing, which makes a relatively heavy design of the large ball bearing required.
  • the object underlying the invention is seen in the outer ring of the large Ku to use gel bearings to close a power circuit for the rotary drive, the rotary drive in particular becoming insensitive to torsion of the chassis and thus protecting its drive pinion, and furthermore the advantageous properties of the known refuse vehicles are retained, such as optimal use of the largest, clear diameter of the large ball bearing and the three-point bearing of the rotating drum.
  • the carrier Since, according to the invention, the carrier produces the frictional connection, it is essential in a further embodiment of the object of the invention to make it particularly stable or, in turn, torsionally rigid.
  • the carrier is designed as a box girder tangent to the outer ring of the large ball bearing on three sides, each with a side wall part, which encompasses it overall and has a longitudinal extension.
  • This configuration of the carrier as a box carrier with three-sided, tangent attachment to the outer ring of the large ball bearing forms an additional, advantageous stiffening of the latter and relieves it of the absorption of the forces for the lid holder and lock.
  • the design of the box girder according to the invention provides much more favorable conditions with regard to the force components, so that the large ball bearing can be made lighter. Compared to the known rotary drum garbage trucks, a reduction in the weight of the overall structure can also be achieved due to the more favorable force relationships. Due to the frictional connection of the box girder and drive, no torsional forces are transmitted to the subframe and the chassis to drive the rotating drum, which could lead to breakage.
  • the container 20 is mounted on a large ball bearing 22 in a closed two-part box carrier 23.
  • This box girder consists of an upper and lower part, which are connected to each other.
  • the lower part of the box girder 23 is horizontally movable about an axial support pin 33 directly on a plate 34 of the subframe, which is fixedly connected to the chassis 21, whereby the bearing forces of the collecting container 20 or the rotating drum are introduced directly into the chassis 21.
  • the drive and pressing forces are also introduced into this box girder 23.
  • the former are received via drive means flanged directly onto the lower part of the box girder 23, in the example shown via a separate drive motor 24 for the ring gear 25 welded to the circumference of the collecting container 20.
  • the pressing forces, which originate from the guide plate attached to the end cover 26, are transmitted to these via mutually complementary locks 27, one component of which is rigidly connected to the lower part of the box girder 23.
  • the drive for the ring gear 25 it is also conceivable and within the scope of the invention to drive it via a flexible coupling from a power take-off of the vehicle drive.
  • the collecting container 20 or the rotating drum which is driven by the pinion 31 mounted on the lower part of the box carrier 23, forwards the torque M t via the garbage to the guide plate, which is firmly connected to the cover 26.
  • the cover 26 in turn transmits the torque to the centering 32 of the box girder 23 connected to the lock, as a result of which the moments cancel each other out and are not passed on to the chassis frame 21.
  • the weight resulting from the dead weight of the body and from the payload is indicated vectorially with G.
  • the tooth engagement point i.e. the point at which the pinion 31 engages in the ring gear 25, in such a way that it lies close to the large ball bearing 22 so that the forces acting on the rotary drum 1 can practically exert no torsion and corresponding Vibrations do not even occur.
  • the arrangement of the tooth engagement point 31/25 with respect to the axial support pin 33 also acts towards the drum side, while the large ball bearing 22 is arranged towards the rear side. The forces exerted by the pinion 31 via the ring gear 25 on the rotary drum 1 thus do not increase the bearing pressure in the large ball bearing 22, but rather can be absorbed by the axial support pin 33.

Description

Die Erfindung betrifft ein Müllfahrzeug mit als Sammelbehälter dienender Drehtrommel, deren heckseitig offene Stirnwand durch einen undrehbar gehaltenen, mit schraubenförmigem, als Ausräum- und Preßschnecke für den Müll wirksamen Leitblech ausgerüsteten Deckel verschließbar ist und deren vordere Stirnwand an einem zentralen Drehzapfen in einem Lagerblock gelagert ist und deren heckseitige Lagerung über ein Großkugellager unter Befestigung seines Außenringes an einem unteren Träger erfolgt, der sich axial an einem Zapfen abstützt, welcher an einem am Fahrzeugrahmen befestigten Hilfsrahmen unterhalb der Trommeldrehachslinie sitzt, und der quer zur Drehtrommelachslinie beiderseits des Zapfens lose auf dem Hilfsrahmen aufliegt, wobei am hinteren Ende der Drehtrommel an ihrem Außenmantel ein Zahnkranz für ihren durch ein Zahnritzel erfolgenden Drehantrieb befestigt ist.The invention relates to a refuse collection vehicle with a rotating drum serving as a collecting container, the rear open end wall of which can be closed by a non-rotatable cover equipped with a screw-shaped baffle acting as a clearing and pressing screw for the waste, and the front end wall of which is mounted on a central pivot in a bearing block and their rear-side mounting via a large ball bearing with attachment of its outer ring to a lower support, which is axially supported on a pin which sits on a subframe attached to the vehicle frame below the drum axis line, and which lies loosely on the subframe on both sides of the pin transversely to the rotary drum axis line , wherein at the rear end of the rotary drum, a ring gear is attached to its rotary drive by a pinion on its outer jacket.

Ein derartiges Müllfahrzeug ist aus der DE-PS 1 144 185 bekannt und hinsichtlich seiner wesentlichen Elemente in Fig. 1 der nachfolgenden Zeichnungen dargestellt. Es trägt eine Drehtrommel 1, deren hinteres Ende durch einen Abschlußdeckel 2 abgeschlossen ist, der an dem Fahrgestell 3 gehalten und gegenüber der Drehtrommel hochklappbar ist. Der Deckel 2 trägt einen in das Drehtrommelinnere ragenden, abgestumpften Hohlkegel 5, an dessen Mantelaußenseite ein schraubenförmiges Leitblech 6 befestigt ist, das sich vom oberen Scheitelpunkt S am Abschlußdeckel bis über etwa 180° zu einem Punkt E an der inneren Kegelstumpfebene erstreckt und somit eine Steigung aufweist, die sich auf dem genannten Winkelbereich über die ganze Tiefe des Kegelstumpfes 5 erstreckt. Das Leitblech 6 ist in radialer Richtung um weitere 90° in Form eines Kreissegments verlängert. Es dient dazu, das durch die Schneckenförderwirkung des Leitblechs 6 im Zusammenwirken mit am Abschlußdeckel 2 und am Drehtrommelinnenraum axial verlaufenden Mitnehmerrippen aus dem Einschüttraum herausgeförderte und über Förderschnecken 7 in den Drehtrommelinnenraum abgedrängte Schüttgut am Zurückfallen in diesen Einschüttraum zu hindern.Such a refuse collection vehicle is known from DE-PS 1 144 185 and its essential elements are shown in FIG. 1 of the following drawings. It carries a rotating drum 1, the rear end of which is closed by an end cover 2 which is held on the chassis 3 and can be folded up relative to the rotating drum. The cover 2 carries a truncated hollow cone 5 protruding into the inside of the rotating drum, on the outside of which a screw-shaped baffle 6 is fastened, which extends from the upper vertex S on the cover plate to about 180 ° to a point E on the inner truncated cone plane and thus an incline has, which extends over the entire depth of the truncated cone 5 in the said angular range. The guide plate 6 is extended in the radial direction by a further 90 ° in the form of a segment of a circle. It serves to prevent the bulk material, which is conveyed axially by the screw conveying action of the guide plate 6 in cooperation with driving ribs running axially on the end cover 2 and on the rotating drum interior, and which is forced into the rotating drum interior by screw conveyors 7 from falling back into this packing chamber.

Die Ausräumung des Einschüttraums wirkt zwangsläufig und sichert eine laufende Freihaltung des Einschüttraumes und damit die Möglichkeit zu ständigem Nachfüllen neuen Schüttgutes. Nach vollständiger Füllung der Drehtrommel kann auf diese zunächst lose Ladung auch eine Verdichtungswirkung ausgeübt werden, die aus der Drehbewegung des an der feststehenden Schneckenwindung des Leitblechs 6 anstehenden Stirnwand des Ladegutes entsteht. Die aus dieser Verdichtung resultierenden Reaktionskräfte ergeben erhöhte Beanspruchung an der Deckelhalterung und -verriegelung sowie an dem Drehantrieb der Trommel.The clearing out of the pouring-in space has an inevitable effect and ensures that the pouring-in space is kept free and thus the possibility of constantly refilling new bulk goods. After the rotary drum has been completely filled, a compression effect can also be exerted on this initially loose charge, which is produced by the rotational movement of the end wall of the cargo lying against the fixed screw turn of the guide plate 6. The reaction forces resulting from this compression result in increased stress on the lid holder and lock as well as on the rotary drive of the drum.

Die Drehtrommel 1 wird gemäß Fig. 1 über einen am Umfang aufgeschweißten Zahnkranz 8 und einen vom Fahrzeugantrieb abgeleiteten - strichpunktiert gezeichneten - Nebenantrieb 9 in Drehbewegung versetzt und gehalten. Die Antriebsaggregate selbst sind dabei in einem Hilfsrahmen 10 gelagert, der auf die Besonderheiten des eigentlichen Nutzaufbaus eingerichtet ist, so daß ein serienmäßiges Lastfahrzeugchassis benutzt werden kann.The rotary drum 1 is rotated and held in accordance with FIG. 1 via a ring gear 8 welded onto the circumference and a power take-off 9 derived from the vehicle drive, shown in dash-dot lines. The drive units themselves are mounted in an auxiliary frame 10, which is set up for the special features of the actual useful structure, so that a standard truck chassis can be used.

Die eingangs beschriebene, bekannte Lagerung der Drehtrommel auf dem Fahrgestell zeichnet sich durch ein störungsfreies Zusammenspiel zwischen der als steifes Gebilde anzusehenden Drehtrommel und dem vom Fahrgestell bzw. Hilfsrahmen gehaltenen Deckel auch dann aus, wenn das Fahrgestell sich verwindet, wie das beispielsweise auf unebenem Gelände vorkommen kann, da sie eine Drei-Punkt-Lagerung ist.The known storage of the rotating drum on the chassis described at the outset is characterized by a trouble-free interplay between the rotating drum, which is to be regarded as a rigid structure, and the cover held by the chassis or subframe even when the chassis twists, as occurs, for example, on uneven terrain can since it is a three point bearing.

Die heckseitige Lagerung der Drehtrommel über ein Großkugellager 11 unter Befestigung seines Außenringes an einem unteren Träger 12 ist bereits bekanntgeworden (DE-GM 7 132 410) und hat den Vorteil, für den Drehtrommel-Durchmesser die von den Straßenverkehrsvorschriften begrenzte Profil-Lichtbreite optimal nutzen zu können. Dabei hat man die Lagerung des Abschlußdeckels, die Lagerung seiner Öffnungszylinder und die Lagerung der Deckelverriegelung über Arme unabhängig voneinander am Außenring des Großkugellagers segmentförmig befestigt, was eine relativ schwere Bauart des Großkugellagers erforderlich macht.The rear bearing of the rotating drum via a large ball bearing 11 with its outer ring attached to a lower carrier 12 has already become known (DE-GM 7 132 410) and has the advantage of making optimum use of the profile light width limited by road traffic regulations for the rotating drum diameter can. It has the storage of the end cap, the storage of its opening cylinder and the storage of the lid lock on arms independently attached to each other on the outer ring of the large ball bearing, which makes a relatively heavy design of the large ball bearing required.

Abgesehen davon sind aber, wie bereits erwähnt, bei den bekannten Drehtrommel-Müllfahrzeugen einerseits die Antriebsaggregate für die Drehtrommel im Hilfsrahmen gelagert, andererseits jedoch stützt sich diese Drehtrommel auf einem Großkugellager (siehe Position 11 in Fig. 1) ab, das seinerseits mit seinem Außenring am Träger (siehe Position 12 in Fig. 1) befestigt ist, der mit dem Fahrgestell fest verbunden ist. Somit treten also bei der Drehbewegung des Sammelbehälters bzw. der Drehtrommel Kräfte auf, die sowohl auf den Hilfsrahmen als auch auf das Fahrgestell einwirken, und zwar derart, daß resultierende Kraftkomponenten entstehen, die zu Schäden am Fahrgestell und/oder am Hilfsrahmen führen können. Aufgrund dieser Kräfte und bei Verwindungen des Fahrgestells - beispielsweise im unebenen Gelände - kommt es immer wieder zu Abweichungen zwischen der Achse des Drehtrommel-Behälters und der Achse des Zahnritzels. Daraus resultieren nun einerseits Verbiegungsspannungen, die gegebenenfalls zu Materialermüdungsschäden führen können. Andererseits resultiert aus den Achsabweichungen eine Verringerung des Wirkungsgrades des Drehtrommelantriebs.Apart from this, however, as already mentioned, in the known rotary drum refuse collection vehicles, the drive units for the rotary drum are mounted in the subframe, on the other hand, however, this rotary drum is supported on a large ball bearing (see position 11 in Fig. 1), which in turn with its outer ring is attached to the carrier (see position 12 in Fig. 1) which is firmly connected to the chassis. Thus, during the rotational movement of the collecting container or the rotating drum, forces occur which act both on the subframe and on the chassis, in such a way that resulting force components arise which can lead to damage to the chassis and / or to the subframe. Because of these forces and when the chassis is twisted - for example on uneven terrain - there are always deviations between the axis of the rotating drum container and the axis of the pinion. On the one hand, this results in bending stresses, which can lead to material fatigue damage. On the other hand, the axis deviations result in a reduction in the efficiency of the rotary drum drive.

Die der Erfindung zugrunde liegende Aufgabe wird darin gesehen, den Außenring des Großkugellagers zum Schließen eines Kraftkreises für den Drehantrieb einzusetzen, wobei insbesondere der Drehantrieb störunanfällig gegen Verwindungen des Fahrgestells wird und damit sein Antriebsritzel geschont wird, sowie darüber hinaus die vorteilhaften Eigenschaften der bekannten Müllfahrzeuge erhalten bleiben, wie optimale Nutzung des größtzulässigen, lichten Durchmessers des Großkugellagers und die Drei-Punkt-Lagerung der Drehtrommel.The object underlying the invention is seen in the outer ring of the large Ku to use gel bearings to close a power circuit for the rotary drive, the rotary drive in particular becoming insensitive to torsion of the chassis and thus protecting its drive pinion, and furthermore the advantageous properties of the known refuse vehicles are retained, such as optimal use of the largest, clear diameter of the large ball bearing and the three-point bearing of the rotating drum.

Diese Aufgabe wird bei einem Müllfahrzeug der eingangs genannten Bauart erfindungsgemäß dadurch gelöst, daß der Träger das Lager für das Zahnritzel trägt, und daß der Zahnkranz im Längsbereich des Trägers angeordnet ist.This object is achieved according to the invention in a garbage truck of the type mentioned at the outset in that the carrier carries the bearing for the toothed pinion and in that the toothed ring is arranged in the longitudinal region of the carrier.

Da an dem Träger gemäß dem nächstliegenden Stand der Technik der Außenring des Großkugellagers befestigt ist, erfolgt über ihn gemäß der Erfindung der unmittelbare Kraftschluß vom Zahnritzel zu diesem Außenring. Sowohl dieser Außenring des Großkugellagers als auch der Zahnkranz, in den das Ritzel eingreift, beziehen ihre Festigkeit bzw. Verwindungssteifigkeit von der zu lagernden Drehtrommel, die dank ihrer Form und Größe als steifes Gebilde anzusehen ist, und zwar im Gegensatz zu dem als nachgiebig anzusehenden Fahrgestell.Since the outer ring of the large ball bearing is fastened to the carrier in accordance with the closest prior art, the non-positive connection from the pinion to this outer ring takes place via it according to the invention. Both this outer ring of the large ball bearing and the ring gear, in which the pinion engages, derive their strength or torsional rigidity from the rotating drum to be stored, which, thanks to its shape and size, can be regarded as a rigid structure, in contrast to the chassis, which is considered to be flexible .

Da erfindungsgemäß der Träger den Kraftschluß herstellt, ist es in weiterer Ausgestaltung der Erfindungsaufgabe wesentlich, diesen besonders stabil bzw. seinerseits verwindungssteif zu machen. Diese Zusatzaufgabe wird dadurch gelöst, daß der Träger als ein den Außenring des Großkugellagers an drei Seiten mit je einer Seitenwandpartie tangierender, ihn insgesamt umfassender und eine Längserstreckung aufweisender Kastenträger ausgebildet ist. Diese Ausgestaltung des Trägers als Kastenträger mit dreiseitiger, tangierender Befestigung am Außenring des Großkugellagers bildet eine zusätzliche, vorteilhafte Versteifung des letzteren und entlastet ihn von der Aufnahme der Kräfte für die Deckelhalterung und -verriegelung.Since, according to the invention, the carrier produces the frictional connection, it is essential in a further embodiment of the object of the invention to make it particularly stable or, in turn, torsionally rigid. This additional task is solved in that the carrier is designed as a box girder tangent to the outer ring of the large ball bearing on three sides, each with a side wall part, which encompasses it overall and has a longitudinal extension. This configuration of the carrier as a box carrier with three-sided, tangent attachment to the outer ring of the large ball bearing forms an additional, advantageous stiffening of the latter and relieves it of the absorption of the forces for the lid holder and lock.

Die Verwendung des Trägers für die Halterung des Abschlußdeckels ist bereits bekanntgeworden (DE-PS 938117). Dieser Träger weist jedoch einerseits Ringform auf und ist andererseits nicht dazu bestimmt, Antriebskräfte für die Drehtrommel aufzunehmen.The use of the carrier for holding the end cover has already become known (DE-PS 938117). However, this carrier has an annular shape on the one hand and is not intended on the other hand to absorb driving forces for the rotary drum.

Die erfindungsgemäße Konzeption des Kastenträgers erbringt wesentlich günstigere Verhältnisse bezüglich der Kraftkomponenten, so daß eine leichtere Ausführung des Großkugellagers möglich ist. Gegenüber den bekannten Drehtrommel-Müllwagen läßt sich aufgrund der günstigeren Kräfteverhältnisse auch eine Reduzierung des Gewichts des Gesamtaufbaus erreichen. Aufgrund der Kraftschlüssigkeit von Kastenträger und Antrieb werden für den Antrieb der Drehtrommel vom Aufbau her keine Verwindungskräfte auf den Hilfsrahmen und das Fahrgestell übertragen, die zu Brüchen führen könnten.The design of the box girder according to the invention provides much more favorable conditions with regard to the force components, so that the large ball bearing can be made lighter. Compared to the known rotary drum garbage trucks, a reduction in the weight of the overall structure can also be achieved due to the more favorable force relationships. Due to the frictional connection of the box girder and drive, no torsional forces are transmitted to the subframe and the chassis to drive the rotating drum, which could lead to breakage.

Die Erfindung und ihre vorteilhaften, weiteren Ausgestaltungen, die Gegenstand der Unteransprüche sind, werden im folgenden anhand eines in den Zeichnungen dargestellten Ausführungsbeispiels näher erläutert. Es zeigt

  • Fig. 1 den Stand derTechnik,
  • Fig. 2 das rückwärtige Ende des neuen Müllfahrzeugs in Seitenansicht,
  • Fig. 3 die Heckansicht ohne Deckel,
  • Fig.4 die Draufsicht auf die Lagerung des Trägers an dem Hilfsrahmen.
The invention and its advantageous further refinements, which are the subject of the subclaims, are explained in more detail below with reference to an embodiment shown in the drawings. It shows
  • 1 shows the state of the art,
  • 2 shows the rear end of the new garbage truck in side view,
  • 3 the rear view without cover,
  • 4 shows the top view of the mounting of the carrier on the subframe.

Wie Fig. 2 erkennen läßt, ist der Behälter 20 über ein Großkugellager 22 in einem geschlossenen zweiteiligen Kastenträger 23 gelagert. Dieser Kastenträger besteht aus einem oberen und unteren Teil, die miteinander verbunden sind. Der untere Teil des Kastenträgers 23 liegt um einen Axialabstützzapfen 33 horizontal beweglich unmittelbar auf einer Platte 34 des Hilfsrahmens auf, der mit dem Fahrgestell 21 fest verbunden ist, wodurch die Auflagekräfte des Sammelbehälters 20 bzw. der Drehtrommel direkt in das Fahrgestell 21 eingeleitet werden.2 shows, the container 20 is mounted on a large ball bearing 22 in a closed two-part box carrier 23. This box girder consists of an upper and lower part, which are connected to each other. The lower part of the box girder 23 is horizontally movable about an axial support pin 33 directly on a plate 34 of the subframe, which is fixedly connected to the chassis 21, whereby the bearing forces of the collecting container 20 or the rotating drum are introduced directly into the chassis 21.

In diesen Kastenträger 23 werden auch die Antriebs- und Preßkräfte eingeleitet. Erstere werden über unmittelbar am unteren Teil des Kastenträgers 23 angeflanschte Antriebsmittel, im dargestellten Beispiel über einen separaten Antriebsmotor 24 für den auf dem Umfang des Sammelbehälters 20 verschweißten Zahnkranz 25 aufgenommen. Die Preßkräfte, die von dem am Abschlußdeckel 26 angebrachten Leitblech herrühren, werden über zueinander komplementäre Verriegelungen 27, deren einer Bestandteil mit dem unteren Teil des Kastenträgers 23 starr verbunden ist, auf diesen übertragen. Hinsichtlich des Antriebs für den Zahnkranz 25 ist es auch denkbar und liegt im Rahmen der Erfindung, diesen über eine flexible Kupplung von einem Nebenantrieb des Fahrzeugantriebs anzutreiben.The drive and pressing forces are also introduced into this box girder 23. The former are received via drive means flanged directly onto the lower part of the box girder 23, in the example shown via a separate drive motor 24 for the ring gear 25 welded to the circumference of the collecting container 20. The pressing forces, which originate from the guide plate attached to the end cover 26, are transmitted to these via mutually complementary locks 27, one component of which is rigidly connected to the lower part of the box girder 23. With regard to the drive for the ring gear 25, it is also conceivable and within the scope of the invention to drive it via a flexible coupling from a power take-off of the vehicle drive.

Zur Vervollständigung wird darauf hingewiesen, daß im oberen Teil des Kastenträgers 23 die durch ein Gelenk 29 realisierte Abschlußdeckel-Lagerung sowie die Lagerung für die der Öffnung des Abschlußdeckels 26 dienenden Zylinder 30 angeordnet sind (siehe Fig. 3).For completion, it is pointed out that in the upper part of the box girder 23 the end cover bearing realized by a joint 29 and the bearing for the opening of the end cover 26 serving cylinder 30 are arranged (see Fig. 3).

In Fig. 3 sind die im Kastenträger 23 angreifenden Elemente und die von ihnen herrührenden Kräfte aufgezeichnet. Der durch das am unteren Teil des Kastenträgers 23 gelagerte Ritzel 31 angetriebene Sammelbehälter 20 bzw. die Drehtrommel leitet das Drehmoment Mt über den Müll auf das Leitblech, welches mit dem Deckel 26 fest verbunden ist, weiter. Der Deckel 26 wiederum überträgt das Moment auf mit der Verriegelung verbundene Zentrierungen 32 des Kastenträgers 23, wodurch sich die Momente aufheben und nicht auf den Fahrgestellrahmen 21 weitergeleitet werden. Das vom Eigengewicht des Aufbaus und von der Nutzlast herrührende Gewicht ist mit G vektoriell angedeutet.3, the elements acting in the box girder 23 and the forces resulting from them are recorded. The collecting container 20 or the rotating drum, which is driven by the pinion 31 mounted on the lower part of the box carrier 23, forwards the torque M t via the garbage to the guide plate, which is firmly connected to the cover 26. The cover 26 in turn transmits the torque to the centering 32 of the box girder 23 connected to the lock, as a result of which the moments cancel each other out and are not passed on to the chassis frame 21. The weight resulting from the dead weight of the body and from the payload is indicated vectorially with G.

In Fig.4 sind die Beschleunigungs- und Verzögerungskräfte PB dargestellt, die vom Eigengewicht und von der Nutzlast herrühren und über den Hilfsrahmen auf das Fahrgestell 21 übertragen werden. Der Ableitungspunkt dieser Kräfte liegt im Axialabstützzapfen 33, der die Verbindung zwischen Kastenträger 23 und Hilfsrahmen darstellt.4 shows the acceleration and deceleration forces P B which result from the dead weight and from the payload and are transmitted to the chassis 21 via the subframe. The derivation point of this Forces lies in the axial support pin 33, which represents the connection between the box girder 23 and the subframe.

Es ist besonders vorteilhaft, die Zahneingriffsstelle, also diejenige Stelle, an welcher das Ritzel 31 in den Zahnkranz 25 eingreift, derart anzuordnen, daß sie dicht neben dem Großkugellager 22 liegt, damit die auf die Drehtrommel 1 wirkenden Kräfte praktisch keine Torsion ausüben können und entsprechende Schwingungen gar nicht erst auftreten. Im Sinne einer guten Lastverteilung wirkt auch die Anordnung der Zahneingriffsstelle 31/25 bezüglich des Axialabstützzapfens 33 zur Trommelseite hin, während das Großkugellager 22 zur Heckseite hin angeordnet ist. Die vom Ritzel 31 über den Zahnkranz 25 auf die Drehtrommel 1 ausgeübten Kräfte verstärken somit nicht den Lagerdruck im Großkugellager 22, können vielmehr vom Axialabstützzapfen 33 aufgenommen werden. Aus Raumgründen ist es zweckmäßig, den separaten Antriebsmotor 24 für das Zahnritzel 31 in dem unteren freien Winkelraum des Trägers 23 an dem mit dem Außenring des Großkugellagers 22 befestigten, unteren Teil des Trägers 23 anzuflanschen. Diese Maßnahme begünstigt gleichzeitig ein schwingungs- und verwindungsfreies Einleiten der Reaktionskräfte des Motors in den Träger 23.It is particularly advantageous to arrange the tooth engagement point, i.e. the point at which the pinion 31 engages in the ring gear 25, in such a way that it lies close to the large ball bearing 22 so that the forces acting on the rotary drum 1 can practically exert no torsion and corresponding Vibrations do not even occur. In the sense of a good load distribution, the arrangement of the tooth engagement point 31/25 with respect to the axial support pin 33 also acts towards the drum side, while the large ball bearing 22 is arranged towards the rear side. The forces exerted by the pinion 31 via the ring gear 25 on the rotary drum 1 thus do not increase the bearing pressure in the large ball bearing 22, but rather can be absorbed by the axial support pin 33. For reasons of space, it is expedient to flange the separate drive motor 24 for the pinion 31 in the lower free angular space of the carrier 23 to the lower part of the carrier 23 fastened to the outer ring of the large ball bearing 22. This measure favors a vibration-free and torsion-free introduction of the reaction forces of the motor into the carrier 23.

Claims (5)

1. A garbage truck having a rotary drum (1, 20) which serves as a collecting bin while its end face wall which is open at the tail side is adapted to be closed by a non-rotatably mounted cover member (20, 26) provided with a helical guide plate (6) operative as a garbage removing and pressing worm, wherein the front end face wall of said rotary drum is pivotally mounted on a central journal in a bearing block and wherein the pivotal support of said rotary drum at the tail side is provided by dint of a large ball bearing member (11, 22) having its outer race secured to a lower girder (12, 23) which is axially supported at a pivot member (33) resting on a sub-frame (10) - secured to the chassis frame of said truck - underneath the line of the axis of rotation of said rotary drum and which is loosely resting on said sub-frame (10) at either side of said pivot member (33) transversely to the line of the axis of said rotary drum while at the rear end of said rotary drum (1, 20) on its outer jacket a gearring (8, 25) is mounted for the rotary drive of said drum that is taking place by way of a pinion (31), characterized in that said girder (12, 23) support the bearing for said pinion (31), and in that said gearring (25) is disposed in the longitudinal range of the girder (23).
2. The garbage truck according to claim 1, characterized in that said girder is designed as a box type girder (23) which is tangentially touching the outer race of said large ball bearing member (22) at three sides each time by a respective one of the side wall portions thereof and which surrounds said outer race totally and extends longitudinally.
3. A garbage truck according to claim 1 or 2, characterized in that the meshing point of engagement between the teeth of said pinion and of said gearring respectively (31/25) is closely adjacent said large ball bearing member (22).
4. The garbage truck according to claim 3, characterized in that with respect to the axially supporting pivot member (33) said meshing point (31/25) is disposed toward the drum side while the large ball bearing member (22) is disposed toward the tail side.
5. A garbage truck according to claims 1 to 4, characterized in that a separate drive motor (24) for said pinion (31) is flanged within the lower free angle space of said girder (23) to the lower portion of said girder (23) that is fixed with the outer race of said large ball bearing member (22).
EP79100589A 1978-03-03 1979-02-28 Refuse vehicle with a refuse-collecting rotary drum Expired EP0004025B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2809191 1978-03-03
DE2809191A DE2809191C3 (en) 1978-03-03 1978-03-03 Garbage truck with a rotating drum serving as a collecting container

Publications (2)

Publication Number Publication Date
EP0004025A1 EP0004025A1 (en) 1979-09-19
EP0004025B1 true EP0004025B1 (en) 1981-11-25

Family

ID=6033472

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79100589A Expired EP0004025B1 (en) 1978-03-03 1979-02-28 Refuse vehicle with a refuse-collecting rotary drum

Country Status (9)

Country Link
US (1) US4257728A (en)
EP (1) EP0004025B1 (en)
JP (1) JPS54124429A (en)
AT (1) AT362721B (en)
AU (1) AU531395B2 (en)
BR (1) BR7901245A (en)
DE (2) DE2809191C3 (en)
ES (1) ES478163A1 (en)
PT (1) PT69221A (en)

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DE3113819C2 (en) * 1981-04-06 1985-12-05 Thyssen Industrie Ag, 4300 Essen Rotary bin garbage truck
US4769788A (en) * 1986-09-22 1988-09-06 Ncr Corporation Shared line direct write nonvolatile memory cell array
EP0451134B1 (en) * 1990-04-03 1993-10-06 M-U-T Maschinen-Umwelttechnik- Transportanlagen Gesellschaft M.B.H. Garbage collection vehicle with rotatable drum-shaped container
AT394840B (en) * 1991-01-08 1992-06-25 Pickart Josef Refuse vehicle
AT396579B (en) * 1991-12-09 1993-10-25 Weinzetl Johann Mag DRIVE FOR A ROTATING DRUM AS A COLLECTION CONTAINER ON WASTE VEHICLES, COMPOSTED DRUM OD. DGL.
US5290030A (en) * 1992-06-05 1994-03-01 Mgx, Inc. Cue stick
GB9220382D0 (en) * 1992-09-26 1992-11-11 Hamilton Robin Compacting apparatus
WO1994007688A1 (en) * 1992-09-26 1994-04-14 Marshall Spv Ltd. Compaction methods and apparatus
AT398066B (en) * 1992-11-18 1994-09-26 Brosowitsch Josef WASTE VEHICLE WITH A TURNTUBE THAT WORKS AS A COLLECTION CONTAINER
US5845566A (en) * 1998-04-30 1998-12-08 Lee; Ming-Fong Multi-slot closed type powerful garbage compression structure
US5868068A (en) * 1998-07-30 1999-02-09 Lee; Ming-Fong Enclosed type two-stage garbage compaction and storage structure
US8533879B1 (en) * 2008-03-15 2013-09-17 Stryker Corporation Adaptive cushion method and apparatus for minimizing force concentrations on a human body
CN109808562B (en) * 2019-03-20 2024-02-02 江苏徐工工程机械研究院有限公司 Article taking and placing structure and fire truck
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DE7132410U (en) * 1971-12-02 Keller & Knappich Garbage truck
NL93742C (en) * 1900-01-01
DE938117C (en) * 1953-11-07 1956-01-19 Keller & Knappich Gmbh Vehicle for transporting bulk goods, especially garbage
DE958457C (en) * 1955-03-20 1957-02-21 Streicher Fa M Drum-shaped container for bulk goods with a paddle wheel closed off from the outside
US2825478A (en) * 1956-02-29 1958-03-04 Leon A Hunnicutt Hay and silage carrier
US3104022A (en) * 1960-09-07 1963-09-17 Keller & Knappich Gmbh Garbage disposal means
JPS4939615U (en) * 1972-07-12 1974-04-08

Also Published As

Publication number Publication date
DE2809191C3 (en) 1981-10-08
DE2809191B2 (en) 1980-10-30
DE2961392D1 (en) 1982-01-28
AT362721B (en) 1981-06-10
JPS54124429A (en) 1979-09-27
AU4478079A (en) 1979-09-06
AU531395B2 (en) 1983-08-25
DE2809191A1 (en) 1979-09-06
US4257728A (en) 1981-03-24
ES478163A1 (en) 1979-05-16
PT69221A (en) 1979-03-01
JPS6315201B2 (en) 1988-04-04
ATA155979A (en) 1980-10-15
BR7901245A (en) 1979-10-02
EP0004025A1 (en) 1979-09-19

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