DE520319C - Device for achieving horizontal load movement in luffing cranes with swinging jib - Google Patents
Device for achieving horizontal load movement in luffing cranes with swinging jibInfo
- Publication number
- DE520319C DE520319C DEM112762D DEM0112762D DE520319C DE 520319 C DE520319 C DE 520319C DE M112762 D DEM112762 D DE M112762D DE M0112762 D DEM0112762 D DE M0112762D DE 520319 C DE520319 C DE 520319C
- Authority
- DE
- Germany
- Prior art keywords
- boom
- jib
- horizontal load
- load movement
- pivot axis
- 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
Links
Classifications
-
- 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
- B66C23/06—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 with jibs mounted for jibbing or luffing movements
- B66C23/08—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 with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths
- B66C23/10—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 with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths the paths being substantially horizontal; Level-luffing jib-cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
- B66C2700/0307—Cranes in which it is essential that the load is moving horizontally during the luffing movement of the arm or jib
Description
Bei Wippkranen wird bekanntlich gefordert, daß sich die Last beim Heben und Senken des Auslegers möglichst in waagerechter Ebene bewegt.With luffing cranes it is known that the load is required when lifting and lowering of the boom if possible moved in a horizontal plane.
Die Erfindung besteht in der durch den Anspruch gekennzeichneten und nachstehend näher erläuterten Einrichtung, welche dies in einfacher Weise bei -Wippkranen mit von einer Seite zur anderen durchschwingendemThe invention consists in that characterized by the claim and below explained in more detail device, which this in a simple manner with luffing cranes with from swinging through from one side to the other
ίο Ausleger ermöglicht.ίο Boom enables.
Dem in den beiden Abb. ι und 2 dargestellten Ausführungsbeispiel der Erfindung ist ein Kran mit geneigt am Krangerüst gelagerter Auslegerschwenkachse zugrunde gelegt.The embodiment of the invention shown in the two Fig. Ι and 2 is based on a crane with an inclined jib pivot axis mounted on the crane frame placed.
Der Ausleger α ist auf der am Krangerüst b geneigt gelagerten Achse c in bekannter Weise schwenkbar angeordnet. Von seiner Kopf rolle d aus ist das Lastseil e zwischen zwei am Ausleger gelagerten Lenkrollen /, f durchgeführt, die in einer senkrecht zur Schwenkachse c verlaufenden Ebene liegen. Am oberen Ende des hinteren Teiles des Gerüsts b sind in der gleichen Ebene ebensolche Lenkrollen g, g' gelagert, zwischen denen das Lastseil e zur Winde h geführt ist. Die Anordnung der Lastrollen ist so getroffen, daß in der mittleren, aus Abb. 2 in ausgezogenen Linien ersichtlichen Hochlage des Auslegers α die auf gleicher Seite liegenden Umlenkrollen f, g bzw. /', g' unmittelbar übereinander stehen, so daß beim Schwenken des Auslegers jeweils die auf der Neigungsseite desselben liegende, am Gerüst gelagerte Rolle mit der auf der anderen Seite liegenden Rolle des Auslegers zusammenwirkt. Der Abstand der Rollen von der Schwenkachse c ist dabei so bemessen, daß, wie in Abb. 2 für zwei gestrichelt dargestellte Stellungen des Auslegers mit χ bzw. y angedeutet ist, die sich beim Schwenken des Auslegers ergebenden Abstandsänderungen der jeweils zusammenwirkenden Rollen der Seilstrecke entsprechen, die beim Wippen über die Auslegerkopf rolle d laufen muß, um die waagerechte Lastbewegung zu erzielen.The boom α is pivotably arranged in a known manner on the axis c , which is inclined on the crane frame b. From its head roll d from the load rope e is carried out between two swivel castors mounted on the boom /, f , which lie in a plane perpendicular to the pivot axis c. At the upper end of the rear part of the frame b , such steering rollers g, g 'are mounted in the same plane, between which the load rope e is guided to the winch h. The arrangement of the load rollers is such that in the middle raised position of the boom α, shown in solid lines in Fig. 2, the pulleys f, g or / ', g' on the same side are directly above one another, so that when the Cantilever, the roll on the incline side of the same, mounted on the frame, interacts with the roll of the boom on the other side. The distance between the rollers and the pivot axis c is dimensioned so that, as shown in Fig. 2 for two positions of the boom shown in dashed lines, χ and y correspond to the changes in the distance between the respective co-operating rollers of the cable section when the boom is pivoted that must roll over the boom head when luffing to achieve the horizontal load movement.
Die Auslegerkopf rolle rf ist am Ausleger schwenkbar so gelagert, daß die Schwenkachse in der Richtung der von der Kopf rolle zu den Umlenkrollen des Auslegers verlaufenden Seilstrecke liegt. Es wird dadurch erreicht, daß die Schwenkbewegungen der Kopf rolle ohne Einfluß auf die Seilbewegung bleiben.The boom head roll rf is pivotably mounted on the boom so that the pivot axis in the direction of the roll from the head to the pulleys of the boom running Cable route lies. It is achieved in that the pivoting movements of the Head roll has no effect on the rope movement.
Im übrigen kann der Antrieb des Auslegers und der Seiltrommel in bekannter Weise und durch bekannte, nicht besonders dargestellte Mittel erfolgen.In addition, the drive of the boom and the cable drum can be known Manner and by known means not specifically shown.
Die sinngemäß gleiche Einrichtung läßt sich ohne Schwierigkeiten auch an einem Kran mit waagerecht gelagerter Auslegerschwenkachse anbringen.The same device can be used without difficulty on one Attach the crane with the jib swivel axis in a horizontal position.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEM112762D DE520319C (en) | Device for achieving horizontal load movement in luffing cranes with swinging jib |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEM112762D DE520319C (en) | Device for achieving horizontal load movement in luffing cranes with swinging jib |
Publications (1)
Publication Number | Publication Date |
---|---|
DE520319C true DE520319C (en) | 1931-03-09 |
Family
ID=7327609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEM112762D Expired DE520319C (en) | Device for achieving horizontal load movement in luffing cranes with swinging jib |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE520319C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0039529A2 (en) * | 1980-04-25 | 1981-11-11 | Boomse Metaalwerken | Crane |
-
0
- DE DEM112762D patent/DE520319C/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0039529A2 (en) * | 1980-04-25 | 1981-11-11 | Boomse Metaalwerken | Crane |
EP0039529A3 (en) * | 1980-04-25 | 1981-11-25 | Boomse Metaalwerken | Crane |
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