DE915145C - Support device for car, railway cranes or the like. - Google Patents

Support device for car, railway cranes or the like.

Info

Publication number
DE915145C
DE915145C DEA17894A DEA0017894A DE915145C DE 915145 C DE915145 C DE 915145C DE A17894 A DEA17894 A DE A17894A DE A0017894 A DEA0017894 A DE A0017894A DE 915145 C DE915145 C DE 915145C
Authority
DE
Germany
Prior art keywords
car
support device
tabs
railway cranes
forces
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
Application number
DEA17894A
Other languages
German (de)
Inventor
Karl Macrander
Karl-Heinz Schlizies
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.)
ARDELTWERKE GmbH
Original Assignee
ARDELTWERKE 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 ARDELTWERKE GmbH filed Critical ARDELTWERKE GmbH
Priority to DEA17894A priority Critical patent/DE915145C/en
Application granted granted Critical
Publication of DE915145C publication Critical patent/DE915145C/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/62Constructional features or details
    • B66C23/72Counterweights or supports for balancing lifting couples
    • B66C23/78Supports, e.g. outriggers, for mobile cranes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Description

Die Erfindung bezieht- sich auf die Ausführung der Abstützarme sowie die dazugehörigen Ausschwenklager für Eisenbahn- sowie straßengängige Krane usw.The invention relates to the execution of the support arms as well the associated swivel bearings for railway and road cranes, etc.

Die Ausschwenkarme besitzen im allgemeinen als Drehpunkte Laschen, die oben und unten an den entsprechenden Trägern des Kranunterwagens angebracht und um diese schwenkbar sind. Im abgestützten Zustand des Kranes werden die Laschen stark auf Biegung sowie Zug und Druck beansprucht und sind deshalb meist als massive Gußstücke ausgeführt.The swivel arms generally have tabs as pivot points, which are attached to the corresponding beams of the crane undercarriage at the top and bottom and can be pivoted about them. When the crane is supported, the lugs are strongly stressed on bending as well as tension and pressure and are therefore mostly considered massive Castings executed.

Erfindungsgemäß sollen die Laschen von allen Biegungsmomenten entlastet werden. Die Kräfte werden deshalb in Horizontal- und Vertikalkräfte zerlegt, und es wird durch zweckmäßige Konstruktion erreicht, daß die Laschen nur noch Horizontal-, also Zug- oder Druckkräfte aufzunehmen haben. Die Vertikalkräfte werden nicht über die Laschen, sondern über scharnierartige Hülsen direkt auf den Steg des I-Querschnittes des Abstützarmes weitergeleitet. Sinngemäß erfolgt die Kräfteleitung ebenso bei allen anderen Querschnitten der Abstützarme.According to the invention, the brackets should be relieved of all bending moments will. The forces are therefore divided into horizontal and vertical forces, and it is achieved by an appropriate construction that the tabs only horizontal, thus have to absorb tensile or compressive forces. The vertical forces are not over the tabs, but via hinge-like sleeves directly on the web of the I cross-section of the support arm forwarded. Correspondingly, the forces are also directed at all other cross-sections of the support arms.

Eine erfindungsgemäße Ausführungsforiri zeigt die Abbildung. In dem Träger F am Kranunterwagen sitzt der Bolzen 2 als Drehpunkt für die Abstützarme, welche mit den Laschen 3 und 4 um den Bolzen :2 schwenken. Die Vertikalkräfte werden von der Hülse 5 am Oberwagen auf das Hülsensegment 6 und von dort auf den Steg 7 des Abstützarmes weitergeleitet. Die Laschen 3 und 4 haben somit nur noch Horizontalkräfte aufzunehmen und können demnach entsprechend leicht ausgeführt werden.An embodiment according to the invention is shown in the figure. By doing Beam F on the crane undercarriage has bolt 2 as a pivot point for the support arms, which with the tabs 3 and 4 around the bolt: 2 swivel. The vertical forces will be from the sleeve 5 on the superstructure to the sleeve segment 6 and from there to the web 7 of the support arm forwarded. The tabs 3 and 4 therefore only have horizontal forces and can therefore be carried out easily.

Durch diese Anordnung ergibt sich eine wesentliche Gewichts- und damit Kostenersparnis gegenüber den bisherigen Ausführungen.This arrangement results in a significant weight and thus Cost savings compared to the previous versions.

Claims (1)

PATENTANSPRUCH: Abstützvorrichtung für Auto-, Eisenbahnkrane od. @dgl., gekennzeichnet durch eine solche Lagerung, welche die auftretenden Beanspruchungen in horizontale und vertikale Kräfte zerlegt, wobei die Vertikalkräfte durch scharnierähnliche Hülsen (5, 6) oder entsprechend ausgebildete Druckstücke von dem Kranunterwagen auf die Abstützarme geleitet werden und somit die Horizontalkräfte von dem Bolzen (2) auf die Laschen (3, 4) übergehen. PATENT CLAIM: Support device for car, railway cranes or the like the support arms are guided and thus the horizontal forces are transferred from the bolt (2) to the tabs (3, 4).
DEA17894A 1953-04-26 1953-04-26 Support device for car, railway cranes or the like. Expired DE915145C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEA17894A DE915145C (en) 1953-04-26 1953-04-26 Support device for car, railway cranes or the like.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA17894A DE915145C (en) 1953-04-26 1953-04-26 Support device for car, railway cranes or the like.

Publications (1)

Publication Number Publication Date
DE915145C true DE915145C (en) 1954-07-15

Family

ID=6924013

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA17894A Expired DE915145C (en) 1953-04-26 1953-04-26 Support device for car, railway cranes or the like.

Country Status (1)

Country Link
DE (1) DE915145C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986000875A1 (en) * 1984-07-19 1986-02-13 Fried. Krupp Gesellschaft Mit Beschränkter Haftung Sub-frame for a vehicle-transported crane

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986000875A1 (en) * 1984-07-19 1986-02-13 Fried. Krupp Gesellschaft Mit Beschränkter Haftung Sub-frame for a vehicle-transported crane
GB2175876A (en) * 1984-07-19 1986-12-10 Krupp Gmbh Sub-frame for a vehicle-transported crane

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