WO2009024110A2 - Large rotary bearing - Google Patents

Large rotary bearing Download PDF

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Publication number
WO2009024110A2
WO2009024110A2 PCT/DE2008/001145 DE2008001145W WO2009024110A2 WO 2009024110 A2 WO2009024110 A2 WO 2009024110A2 DE 2008001145 W DE2008001145 W DE 2008001145W WO 2009024110 A2 WO2009024110 A2 WO 2009024110A2
Authority
WO
WIPO (PCT)
Prior art keywords
undercarriage
bearing
rotary joint
upper flange
clamping ring
Prior art date
Application number
PCT/DE2008/001145
Other languages
German (de)
French (fr)
Other versions
WO2009024110A3 (en
Inventor
Frank Wernicke
Original Assignee
Terex-Demag Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Terex-Demag Gmbh filed Critical Terex-Demag Gmbh
Publication of WO2009024110A2 publication Critical patent/WO2009024110A2/en
Publication of WO2009024110A3 publication Critical patent/WO2009024110A3/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
    • E02F9/12—Slewing or traversing gears
    • E02F9/121—Turntables, i.e. structure rotatable about 360°
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/84—Slewing gear
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
    • E02F9/12—Slewing or traversing gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
    • F16C19/381—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with at least one row for radial load in combination with at least one row for axial load
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/067—Fixing them in a housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/10—Application independent of particular apparatuses related to size
    • F16C2300/14—Large applications, e.g. bearings having an inner diameter exceeding 500 mm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2350/00—Machines or articles related to building
    • F16C2350/26—Excavators

Definitions

  • the invention relates to a panoramic largerung for releasably securing the upper part of a vehicle crane, excavator or the like.
  • Device on the relatively stationary U ⁇ terwagen same device which are provided for transmitting the rotational movement of the uppercarriage and on the undercarriage each running surfaces for rolling elements, and separately for transmission of axial and radial forces relative to the bearing axis.
  • Such a large rotary bearing is known for example from EP 1 239 172 B1.
  • the bearing parts are each welded to the superstructure and the undercarriage and are held together by a on both bearing parts (bearing rings) encompassing clamping ring.
  • rotary joints are also known in which the bearing parts are not connected by welding, but by fastening screws with the superstructure and the undercarriage, wherein a support ring is provided for attachment to the upper flange of the undercarriage.
  • the object of the invention is to simplify the pivot bearing, on the one hand by the reduction of the compound forming parts and on the other hand to facilitate the assembly and disassembly.
  • a bearing ring on the superstructure is releasably secured and a rotary connection for the superstructure is mounted on the undercarriage, wherein the rotary connection is connected by a radially outwardly and inwardly acting clamping ring releasably connected to the upper flange of the undercarriage.
  • a bearing ring is attached to the superstructure, which has two running surfaces for the rolling elements for receiving axial forces, and a running surface for rolling elements for receiving radial forces that a] -shaped rotary joint is provided with its J- shaped foot on the Upper belt of the undercarriage rests and having on its ⁇ -shaped head corresponding running surfaces, and that the rotary connection to the undercarriage by a claw or staple-like the foot of the rotary joint and the upper flange of the undercarriage comprehensive, radially outwardly and inwardly acting, clamping ring releasably connected together are.
  • the clamping ring can be designed as a whole or consist of individual, interconnectable segments.
  • the bearing ring 4 is fastened by means of a screw connection 3. From undercarriage 5, only the upper flange 6 is also indicated.
  • the upper flange is provided with an open recess 7, which receives a foot 8 or a foot part of a rotary joint 9.
  • the rotary joint 9 forms together with the bearing ring 4, the bearings, namely the thrust bearing 10 and radial bearings 11th
  • the rotary joint 9 is held on the upper belt of the undercarriage by a foot 8 and the upper belt claw or staple-like comprehensive clamping ring 12, so that then the detachable connection between the uppercarriage 1 and lowercarriage 5 is made.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The invention relates to a large rotary bearing for the detachable fastening of the upper part of a mobile crane, excavator or similar appliance to the undercarriage, which is fixed with respect thereto, of the appliance, wherein for the transmission of the rotational movement, running surfaces for rolling bodies (10, 11) are provided in each case on the revolving superstructure (1) and on the undercarriage (5), specifically separately for the transmission of axial and radial forces with respect to the bearing axis. The problem is solved in that one bearing ring (4) is detachably or non-detachably fastened to the revolving superstructure (1), and a rotary connection (9) for the revolving superstructure (1) is mounted on the undercarriage (5), wherein the rotary connection (9) is detachably connected, by means of a clamping ring (12) which acts radially outward and inward, to the upper flange (6) of the undercarriage (5).

Description

Großdrehlagerung United pivot bearing
Die Erfindung betrifft eine Großdrehlagerung zur lösbaren Befestigung des Oberteiles eines Fahrzeugkranes, Baggers oder dgl. Gerätes an dem relativ dazu feststehenden Uπterwagen desselben Gerätes, wobei zur Übertragung der Drehbewegung am Oberwagen und am Unterwagen jeweils Laufflächen für Wälzkörper vorgesehen sind, und zwar getrennt für die Übertragung von axialen und radialen Kräften bezogen auf die Lagerachse.The invention relates to a Großdrehlagerung for releasably securing the upper part of a vehicle crane, excavator or the like. Device on the relatively stationary Uπterwagen same device, which are provided for transmitting the rotational movement of the uppercarriage and on the undercarriage each running surfaces for rolling elements, and separately for transmission of axial and radial forces relative to the bearing axis.
Ein derartiges Großdrehlager ist beispielsweise aus der EP 1 239 172 B1 bekannt. Hierbei sind die Lagerteile jeweils am Oberwagen bzw. am Unterwagen angeschweißt und werden durch einen an beiden Lagerteilen (Lagerringen) umgreifenden Spannring zusammengehalten.Such a large rotary bearing is known for example from EP 1 239 172 B1. Here, the bearing parts are each welded to the superstructure and the undercarriage and are held together by a on both bearing parts (bearing rings) encompassing clamping ring.
In der Praxis sind auch Drehverbindungen bekannt, bei denen die Lagerteile nicht durch Schweißen, sondern durch Befestigungsschrauben mit dem Oberwagen und dem Unterwagen verbunden sind, wobei für die Befestigung am Obergurt des Unterwagens noch ein Auflagering vorgesehen ist.In practice, rotary joints are also known in which the bearing parts are not connected by welding, but by fastening screws with the superstructure and the undercarriage, wherein a support ring is provided for attachment to the upper flange of the undercarriage.
Aufgabe der Erfindung ist es die Drehlagerung zu vereinfachen, und zwar einerseits durch die Reduzierung der die Verbindung bildenden Teile und andererseits um die Montage und Demontage zu erleichtern.The object of the invention is to simplify the pivot bearing, on the one hand by the reduction of the compound forming parts and on the other hand to facilitate the assembly and disassembly.
Gelöst wird diese Aufgabe erfindungsgemäß dadurch, dass ein Lagerring am Oberwagen lösbar befestigt ist und eine Drehverbindung für den Oberwagen auf dem Unterwagen gelagert ist, wobei die Drehverbindung durch einen radial nach außen und innen wirkenden Spannring lösbar mit dem Obergurt des Unterwagens verbunden ist.This object is achieved according to the invention in that a bearing ring on the superstructure is releasably secured and a rotary connection for the superstructure is mounted on the undercarriage, wherein the rotary connection is connected by a radially outwardly and inwardly acting clamping ring releasably connected to the upper flange of the undercarriage.
Vorzugsweise ist am Oberwagen ein Lagerring befestigt, der zwei Laufflächen für die Wälzkörper zur Aufnahme axialer Kräfte aufweist, sowie eine Lauffläche für Wälzkörper zur Aufnahme radialer Kräfte, dass eine ]-förmige Drehverbindung vorgesehen ist, die mit ihrem J -förmigen Fuß auf dem Obergurt des Unterwagens aufliegt und an ihrem η -förmigen Kopf korrespondierende Laufflächen aufweist, und dass die Drehverbindung mit dem Unterwagen durch einen klauen- oder klammerartig den Fuß der Drehverbindung und den Obergurt des Unterwagens umfassenden, radial nach außen und innen wirkenden, Spannring lösbar miteinander verbunden sind. Der Spannring kann als Ganzes ausgeführt sein oder auch aus einzelnen, miteinander verbindbaren Segmenten bestehen.Preferably, a bearing ring is attached to the superstructure, which has two running surfaces for the rolling elements for receiving axial forces, and a running surface for rolling elements for receiving radial forces that a] -shaped rotary joint is provided with its J- shaped foot on the Upper belt of the undercarriage rests and having on its η-shaped head corresponding running surfaces, and that the rotary connection to the undercarriage by a claw or staple-like the foot of the rotary joint and the upper flange of the undercarriage comprehensive, radially outwardly and inwardly acting, clamping ring releasably connected together are. The clamping ring can be designed as a whole or consist of individual, interconnectable segments.
Durch diese erfindungsgemäße Art der Verbindung zwischen Oberwagen und Unterwagen entfallen gegenüber der herkömmlichen Montage der aufgeschweißte Auflagering sowie die Drehverbindungsschrauben. Damit entfällt aber auch die Montage und Wartung dieser Schrauben.By this type of connection according to the invention between superstructure and undercarriage omitted over the conventional assembly of the welded support ring and the rotary joint screws. But this also eliminates the installation and maintenance of these screws.
Die Erfindung soll nachfolgend an einem in der Zeichnung dargestellten Ausführungsbeipiel erläutert werden, wobei die Drehverbindung hier nur teilweise dargestellt ist, und zwar im Querschnitt.The invention will be explained below on an exemplary embodiment shown in the drawing, wherein the rotary joint is shown here only partially, in cross section.
An dem Untergurt 2 des Oberwagens 1 ist mittels einer Schraubverbindung 3 der Lagerring 4 befestigt. Vom Unterwagen 5 ist ebenfalls nur der Obergurt 6 angedeutet. Der Obergurt ist mit einer offenen Ausnehmung 7 versehen, die einen Fuß 8 oder ein Fußteil einer Drehverbindung 9 aufnimmt.On the lower flange 2 of the superstructure 1, the bearing ring 4 is fastened by means of a screw connection 3. From undercarriage 5, only the upper flange 6 is also indicated. The upper flange is provided with an open recess 7, which receives a foot 8 or a foot part of a rotary joint 9.
Die Drehverbindung 9 bildet zusammen mit dem Lagerring 4 die Lager , und zwar die Axiallager 10 und Radiallager 11.The rotary joint 9 forms together with the bearing ring 4, the bearings, namely the thrust bearing 10 and radial bearings 11th
Die Drehverbindung 9 wird am Obergurt des Unterwagens durch einen den Fuß 8 und den Obergurt klauen- oder klammerartig umfassenden Spannring 12 gehalten, so dass damit dann die lösbare Verbindung zwischen Oberwagen 1 und Unterwagen 5 hergestellt wird. The rotary joint 9 is held on the upper belt of the undercarriage by a foot 8 and the upper belt claw or staple-like comprehensive clamping ring 12, so that then the detachable connection between the uppercarriage 1 and lowercarriage 5 is made.

Claims

Ansprüche: Claims:
1. Großdrehlagerung zur lösbaren Befestigung des Oberteiles eines Fahrzeugkranes, Baggers oder dgi. Gerät an dem relativ dazu feststehenden Unterwagen des Gerätes, wobei zur Übertragung der Drehbewegung am Oberwagen (1) und am Unterwagen (5) jeweils Laufflächen für Wälzkörper (10, 11) vorgesehen sind, und zwar getrennt für die Übertragung von axialen und radialen Kräften bezogen auf die Lagerachse, dadurch gekennzeichnet, dass ein Lagerring (4) am Oberwagen (1) lösbar oder nicht lösbar befestigt ist und eine Drehverbindung (9) für den Oberwagen (1) auf dem Unterwagen (5) gelagert ist, wobei die Drehverbindung (9) durch einen radial nach außen und innen wirkenden Spannring (12) lösbar mit dem Obergurt (6) des Unterwagens (5) verbunden ist.1. Großdrehlagerung for releasably securing the upper part of a vehicle crane, excavator or dgi. Device on the relatively fixed undercarriage of the device, wherein for transmitting the rotational movement of the uppercarriage (1) and on the undercarriage (5) each running surfaces for rolling elements (10, 11) are provided, and separately for the transmission of axial and radial forces on the bearing axis, characterized in that a bearing ring (4) on the superstructure (1) is releasably or non-detachably mounted and a rotary connection (9) for the superstructure (1) on the undercarriage (5) is mounted, wherein the rotary joint (9 ) Is releasably connected by a radially outwardly and inwardly acting clamping ring (12) with the upper flange (6) of the undercarriage (5).
2. Großdrehlager nach Anspruch 1 , dadurch gekennzeichnet, dass am Oberwagen (1) ein Lagerring (4) lösber oder nicht lösbar befestigt ist, der zwei2. Großdrehlager according to claim 1, characterized in that the uppercarriage (1) is a bearing ring (4) löser or not releasably attached, the two
Laufflächen für die Wälzkörper zur Aufnahme axialer Kräfte aufweist, sowie eine Lauffläche für Wälzkörper zur Aufnahme radialer Kräfte, dass eine J-förmige Drehverbindung (9) vorgesehen ist, die mit ihrem -J -förmigen Fuß (8) auf dem Obergurt (6) des Unterwagens (5) aufliegt und an ihrem η -förmigen Kopf korrespondierende Laufflächen aufweist, und dass die Drehverbindung (9) mit dem Unterwagen (5) durch einen klauen - oder klammerartigen den Fuß der Drehverbindung (9) und den Obergurt (6) des Unterwagens (5) umfassenden, radial nach außen und innen wirkenden, Spannring (12) lösbar miteinander verbunden sind.Has running surfaces for the rolling elements for receiving axial forces, and a running surface for rolling elements for receiving radial forces, that a J-shaped rotary joint (9) is provided with its -J-shaped foot (8) on the upper flange (6) of the Undercarriage (5) rests and having at its η-shaped head corresponding running surfaces, and that the rotary joint (9) with the undercarriage (5) by a claw - or staple-like the foot of the rotary joint (9) and the upper flange (6) of the undercarriage (5), radially outwardly and inwardly acting, clamping ring (12) are releasably connected together.
3. Großdrehlager nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Spannring (12) aus einem Teil besteht oder aus Segmenten zusammengesetzt ist. 3. Large-bore bearing according to one of the preceding claims, characterized in that the clamping ring (12) consists of a part or is composed of segments.
PCT/DE2008/001145 2007-08-16 2008-07-10 Large rotary bearing WO2009024110A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007011612.8 2007-08-16
DE202007011612U DE202007011612U1 (en) 2007-08-16 2007-08-16 United pivot bearing

Publications (2)

Publication Number Publication Date
WO2009024110A2 true WO2009024110A2 (en) 2009-02-26
WO2009024110A3 WO2009024110A3 (en) 2009-04-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2008/001145 WO2009024110A2 (en) 2007-08-16 2008-07-10 Large rotary bearing

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DE (1) DE202007011612U1 (en)
WO (1) WO2009024110A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012104016B4 (en) * 2012-05-08 2014-03-13 Liebherr-Betonpumpen Gmbh rotary joint

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941252A (en) * 1975-01-23 1976-03-02 Koehring Company Crane with removable superstructure
SU767011A1 (en) * 1972-07-10 1980-09-30 Всесоюзный научно-исследовательский институт строительного и дорожного машиностроения Support and rotary platform for load lifting machines
DE3244153A1 (en) * 1982-11-29 1984-05-30 Mannesmann AG, 4000 Düsseldorf Device for the releasable attachment of the top part of a mobile crane, excavator or suchlike machine to the bottom part
JPS6417798A (en) * 1987-07-11 1989-01-20 Kato Seisakusho Kk Fixture for working machine swivel base
DE19549244A1 (en) * 1995-12-21 1997-06-26 Mannesmann Ag Connection for over-lying ring-shaped components esp. for crane carriage and chassis

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU767011A1 (en) * 1972-07-10 1980-09-30 Всесоюзный научно-исследовательский институт строительного и дорожного машиностроения Support and rotary platform for load lifting machines
US3941252A (en) * 1975-01-23 1976-03-02 Koehring Company Crane with removable superstructure
DE3244153A1 (en) * 1982-11-29 1984-05-30 Mannesmann AG, 4000 Düsseldorf Device for the releasable attachment of the top part of a mobile crane, excavator or suchlike machine to the bottom part
JPS6417798A (en) * 1987-07-11 1989-01-20 Kato Seisakusho Kk Fixture for working machine swivel base
DE19549244A1 (en) * 1995-12-21 1997-06-26 Mannesmann Ag Connection for over-lying ring-shaped components esp. for crane carriage and chassis

Also Published As

Publication number Publication date
DE202007011612U1 (en) 2007-10-25
WO2009024110A3 (en) 2009-04-23

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