EP0076501B1 - Pipe loading device - Google Patents

Pipe loading device Download PDF

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Publication number
EP0076501B1
EP0076501B1 EP82109145A EP82109145A EP0076501B1 EP 0076501 B1 EP0076501 B1 EP 0076501B1 EP 82109145 A EP82109145 A EP 82109145A EP 82109145 A EP82109145 A EP 82109145A EP 0076501 B1 EP0076501 B1 EP 0076501B1
Authority
EP
European Patent Office
Prior art keywords
frame
pipes
another
longitudinal direction
carrying fingers
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
EP82109145A
Other languages
German (de)
French (fr)
Other versions
EP0076501A1 (en
Inventor
Friedrich Wilhelm Rockelsberg
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.)
W Rockelsberg & Co KG GmbH
Original Assignee
W Rockelsberg & Co KG 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 W Rockelsberg & Co KG GmbH filed Critical W Rockelsberg & Co KG GmbH
Priority to AT82109145T priority Critical patent/ATE15637T1/en
Publication of EP0076501A1 publication Critical patent/EP0076501A1/en
Application granted granted Critical
Publication of EP0076501B1 publication Critical patent/EP0076501B1/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/28—Duplicate, e.g. pivoted, members engaging the loads from two sides

Definitions

  • the invention relates to a device for the group-wise loading of pipes according to the preamble of claim 1, in particular large pipes, which often have to undergo a change in their mutual position during loading due to the transport regulations on the one hand and optimal transport space utilization on the other hand.
  • the invention is based on the object of avoiding the aforementioned disadvantages and, in particular, of creating a loading device which can be used to pack tubes lying next to one another, for example for three, four, five or six packs, and at the same time to dissolve the relevant tube package or -stacked in a flat position from individual tubes lying side by side.
  • the supporting fingers according to the invention are arranged on articulated rods which are connected to the frame and with their ends and can be pivoted transversely to the longitudinal direction of the pipe.
  • a frame can be easily attached to the hook of a conventional loading crane and can therefore be used anywhere without retrofitting.
  • the frame can be telescoped, i. H. be formed in several parts and provided with a displacement drive. Since the displacement path of such a frame is naturally limited and depends, for example, on the stroke of a displacement cylinder. the frame can also be provided with at least one intermediate piece which adjusts the length of the frame to the dimensions of the pipes to be loaded.
  • the support fingers are arranged on, preferably interchangeable, connecting rods connected to the frame, the number of which is always greater by one than the number of pipes to be loaded.
  • the articulated rods provided with a motion drive allow the pipes to be brought from a flat position to one another as compactly as possible - as in the case of a three-pack, for example, or vice versa.
  • lifting drives arranged on opposite frame sides can engage in at least one joint joint point of two joint rods in the longitudinal axis of the frame.
  • the linear actuator can also engage in the middle of the middle joint rod, for example when packing and loading in front of four tubes.
  • the supporting fingers should be rotatably mounted.
  • the frame can also be suspended from a rotary drive by means of ropes or rods in order to simplify the loading operation and to bring the pipes into any desired position.
  • the individual motion drives for the frame and the support fingers can be switched on and off or controlled in the usual way via radio or cable.
  • the transport device consists of a frame 1 with two frame parts 2, 3 which are displaceably guided one inside the other.
  • the frame 1 is suspended via four ropes 6 on a rotating device 7 with an eyelet for a crane hook and has lifting cylinders 8 arranged on the end face on its longitudinal axis, the piston rods 9 of which engage articulated rods 10, 11, 12, 13.
  • the articulated rods 10 to 13 are fastened to the frame 1 at articulation points 14, 15 and articulated to one another at further articulation points 16, 17, 18.
  • the interchangeable support fingers 19 corresponding to the number of tubes to be loaded are also stored in these articulation points.
  • the number and the diameter of the pipes to be loaded change, then the number and / or the lengths of the joint rods with the associated support fingers need only be changed by a slight modification. In individual cases, however, the need for a change depends on the respective pipe diameter.
  • the supporting finger axles do not necessarily coincide with the tube axes, as shown in the drawing.
  • the loading device hanging on the hook of a crane is brought over the tube stack with the frame 1 extended but the Hyb cylinders 8 retracted. Then the frame is retracted and the tube stack is brought into the storage space provided, where the piston rods of the lifting cylinders 8 are then extended again in order to lay the tubes in a flat position. The frame 1 is then extended again until the transport fingers 19 are outside the tubes and the frame can move freely again.

Abstract

1. Apparatus for loading and unloading pipes by groups, consisting of a frame (1) and carrying fingers (19), wherein the carrying fingers are disposed opposite to one another in the longitudinal direction of the pipes and are movable towards one another and at least in one line perpendicularly to the pipe longitudinal direction, characterized in that the carrying fingers (19) are mounted on link rods (10, 11, 12, 13), connected with the frame (1) and with one another by their ends and pivotal transversely to the pipe longitudinal direction.

Description

Die Erfindung bezieht sich auf eine Vorrichtung zum gruppenweisen Verladen von Rohren gemäß dem Oberbegriff von Patentanspruch 1, insbesondere Großrohren, die beim Verladen infolge der Transportvorschriften einerseits und einer optimalen Transportraumausnutzung andererseits häufig eine Veränderung ihrer gegenseitigen Lage erfahren müssen.The invention relates to a device for the group-wise loading of pipes according to the preamble of claim 1, in particular large pipes, which often have to undergo a change in their mutual position during loading due to the transport regulations on the one hand and optimal transport space utilization on the other hand.

So werden Großrohre wegen der begrenzten Ladehöhe auf lastkraftwagen und Bundesbahnwaggons üblicherweise im Dreierpack transportiert, d. h. in der Lücke zweier benachbarter Rohre befindet sich ein drittes Rohr, so daß die Verbindungslinien der Rohrachsen ein gleichseitiges Dreieck bilden. Beim Umladen in den Stauraum eines Schiffes müssen die Rohre des Dreierpacks im Hinblick auf eine optimale Raumausnutzung jedoch in eine Planlage nebeneinander gebracht werden, so daß die Verbindungslinie der Rohrachsen in einer Ebene liegt. Um das zu ermöglichen, werden die Rohre üblicherweise mit Hilfe zweier sie im Abstand ihrer Enden umschlingender Ketten verladen, so daß sich die Rohre nach dem Ablegen auf dem Boden des Transportraumes bzw. einer dort bereits vorhandenen Rohrlage und dem Lösen der Ketten in eine Lage nebeneinander bewegen können. Der Nachteil dieser Verladeweise besteht darin, daß die Ketten unter den Rohren weggezogen werden müssen, was leicht zu Oberflächenfehlern führt.Because of the limited loading height on trucks and federal railroad cars, large pipes are usually transported in a pack of three. H. In the gap between two neighboring pipes there is a third pipe, so that the connecting lines of the pipe axes form an equilateral triangle. When reloading into the storage space of a ship, the tubes of the triple pack must be placed next to each other in a flat position with a view to optimal use of space, so that the connecting line of the tube axes lies in one plane. To make this possible, the tubes are usually loaded with the help of two chains that wrap around them at the ends, so that after placing them on the floor of the transport space or an already existing tube layer and loosening the chains into one position next to each other can move. The disadvantage of this method of loading is that the chains have to be pulled away from the tubes, which easily leads to surface defects.

Des weiteren ist es bekannt, Rohre mit Hilfe von Saugnäpfen zu verladen und nach dem Absetzen beispielsweise eines Dreierpacks im Stauraum eines Schiffes das oberste Rohr zu erfassen und neben den beiden anderen Rohren abzulegen. Diese Verladeweise ist jedoch insofern mit Gefahren verbunden, als die Haltekraft der Saugnäpfe im Falle eines Stromausfalls zeitlich begrenzt ist und es demzufolge zu einem Herabfallen der Rohre kommen kann. Ähnliche Gefahren ergeben sich beim Verladen mit Hilfe eines oder mehrerer Haftmagnete, die ohnehin nur bei nichtisolierten Rohren zur Anwendung kommen können.Furthermore, it is known to load pipes with the aid of suction cups and, after depositing, for example, a three-pack in the storage space of a ship, to grasp the top pipe and to place it next to the other two pipes. However, this method of loading is associated with dangers insofar as the holding force of the suction cups is limited in time in the event of a power failure and the pipes can therefore fall down. Similar dangers arise when loading with the help of one or more holding magnets, which can only be used with non-insulated pipes anyway.

Schließlich ist aus der DE-A-23 36 903 eine Vorrichtung der eingangs genannten Art bekannt, mit der lediglich ein Verladen von in einer Planlage liegenden Rohren möglich ist.Finally, from DE-A-23 36 903 a device of the type mentioned is known, with which only loading of pipes lying in a flat position is possible.

Der Erfindung liegt nun die Aufgabe zugrunde, die vorerwähnten Nachteile zu vermeiden und insbesondere eine Verladevorrichtung zu schaffen, die an beliebiges Packetieren nebeneinander liegender Rohre, beispielsweise zum Dreier-, Vierer-, Fünfer- oder auch Sechserpack und gleichzeitig ein Auflösen des betreffenden Rohrpaketes bzw.-stapels in eine Planlage aus einzelnen nebeneinander liegenden Rohren gestattet.The invention is based on the object of avoiding the aforementioned disadvantages and, in particular, of creating a loading device which can be used to pack tubes lying next to one another, for example for three, four, five or six packs, and at the same time to dissolve the relevant tube package or -stacked in a flat position from individual tubes lying side by side.

Die Lösung dieser Aufgabe besteht darin, daß bei einer Vorrichtung der eingangs erwähnten Art, die also einen Rahmen und Tragfinger aufweist, wobei die Tragfinger in Rohrlängsrichtung einander gegenüberliegend angeordnet und aufeinander zu, sowie zumindest in einer Linie senkrecht zur Rohrlängsrichtung beweglich sind, erfindungsgemäß die Tragfinger an mit dem Rahmen und mit ihren Enden untereinander verbundenen, quer zur Rohrlängsrichtung verschwenkbaren Gelenkstäben angeordnet sind. Ein derartiger Rahmen läßt sich leicht am Haken eines üblichen Verladekrans befestigen und daher ohne Umrüstung überall einsetzen. Um die Tragfinger senkrecht aufeinander zu- oder voneinander wegzubewegen, kann der Rahmen teleskopierbar, d. h. mehrteilig ausgebildet und mit einem Verschiebeantrieb versehen sein. Da der Verschiebeweg eines derartigen Rahmens naturgemäß begrenzt ist, und beispielsweise von dem Hub eines Verschiebezylinders abhängt. kann der Rahmen auch mit mindestens einem Zwischenstück versehen sein, das die Länge des Rahmens auf die Abmessungen der zu verladenden Rohre einstellt.The solution to this problem is that in a device of the type mentioned, which therefore has a frame and supporting fingers, the supporting fingers being arranged opposite one another in the longitudinal direction of the tube and moving towards one another and at least in one line perpendicular to the longitudinal direction of the tube, the supporting fingers according to the invention are arranged on articulated rods which are connected to the frame and with their ends and can be pivoted transversely to the longitudinal direction of the pipe. Such a frame can be easily attached to the hook of a conventional loading crane and can therefore be used anywhere without retrofitting. In order to move the support fingers vertically towards or away from each other, the frame can be telescoped, i. H. be formed in several parts and provided with a displacement drive. Since the displacement path of such a frame is naturally limited and depends, for example, on the stroke of a displacement cylinder. the frame can also be provided with at least one intermediate piece which adjusts the length of the frame to the dimensions of the pipes to be loaded.

Die Tragfinger sind an mit dem Rahmen verbundenen, vorzugsweise austauschbaren, Gelenkstäben angeordnet, deren Zahl immer um eins größer ist als die Zahl der zu verladenden Rohre. Die mit einem Bewegungsantrieb versehenen Gelenkstäbe gestatten es, die Rohre aus einer Planlage in eine möglichst kompakte gegenseitige Lage - wie beispielsweise im Falle eines Dreierpacks - zu bringen oder umgekehrt. Dazu können in mindestens je einem gemeinsamen Gelenkpunkt zweier Gelenkstäbe in der Rahmenlängsachse an einander gegenüberliegenden Rahmenseiten angeordnete Hubantriebe angreifen. Beim Einfahren beispielsweise der Kolbenstange eines Hubzylinders, werden die Gelenkstäbe nach oben verschwenkt und bewegen sich die Rohre aus ihrer Planlage in ihre Stapellage, die sie beim Ausfahren der Kolbenstange wieder verlassen, um schließlich in ihre Planlage zurückzukehren. Auf diese Weise lassen sich mehrere Rohre von einem Lagerplatz aufnehmen und packetieren bzw. stapeln, sowie späterhin wieder in eine Planlage bringen.The support fingers are arranged on, preferably interchangeable, connecting rods connected to the frame, the number of which is always greater by one than the number of pipes to be loaded. The articulated rods provided with a motion drive allow the pipes to be brought from a flat position to one another as compactly as possible - as in the case of a three-pack, for example, or vice versa. For this purpose, lifting drives arranged on opposite frame sides can engage in at least one joint joint point of two joint rods in the longitudinal axis of the frame. When the piston rod of a lifting cylinder is retracted, for example, the joint rods are pivoted upward and the tubes move from their flat position into their stacked position, which they leave when the piston rod is extended to finally return to their flat position. In this way, several pipes can be picked up from a storage location and packetized or stacked, and later brought back to a flat position.

Je nach der Anzahl der zu verladenden Rohre kann der Hubantrieb auch in der Mitte des jeweils mittleren Gelenkstabes angreifen, beispielsweise beim Packetieren und Verladen vor vier Rohren.Depending on the number of tubes to be loaded, the linear actuator can also engage in the middle of the middle joint rod, for example when packing and loading in front of four tubes.

Um ein Abwälzen der Rohre zu ermöglichen, sollten die Tragfinger drehbar gelagert sein. Darüberhinaus kann der Rahmen auch über Seile oder Stäbe an einem Drehantrieb aufgehängt sein, um den Verladebetrieb zu vereinfachen, und die Rohre in jede gewünschte Lage zu bringen. Die einzelnen Bewegungsantriebe für den Rahmen und die Tragfinger können in üblicher Weise über Funk oder Kabel ein- und ausgeschaltet bzw. gesteuert werden.In order to allow the pipes to roll off, the supporting fingers should be rotatably mounted. In addition, the frame can also be suspended from a rotary drive by means of ropes or rods in order to simplify the loading operation and to bring the pipes into any desired position. The individual motion drives for the frame and the support fingers can be switched on and off or controlled in the usual way via radio or cable.

Die Erfindung wird nachfolgend anhand von in der Zeichnung dargestellten Ausführungsbeispielen des näheren erläutert. In der Zeichnung zeigen :

  • Figur 1 die Seitenansicht einer Verladevorrichtung,
  • Figur 2 eine Stirnansicht der Vorrichtung gemäß Fig. 1,
  • Figuren 3 bis 4 verschiedene Rohrpakete in ihrer Stapellage.
The invention is explained below with reference to exemplary embodiments shown in the drawing. The drawing shows:
  • FIG. 1 shows the side view of a loading device,
  • FIG. 2 shows an end view of the device according to FIG. 1,
  • Figures 3 to 4 different tube packs in their stack position.

Die Transportvorrichtung besteht aus einem Rahmen 1 mit zwei verschiebbar ineinandergeführten Rahmenteilen 2, 3. Auf dem Rahmenteil 2 befindet sich ein Verschiebezylinder 4, dessen Kolbenstange an einer Konsole 5 des anderen Rahmenteils 3 angreift. Der Rahmen 1 ist über vier Seile 6 an einer Drehvorrichtung 7 mit einer Öse für einen Kranhaken aufgehängt und weist stirnseitig auf seiner Längsachse angeordnete Hubzylinder 8 auf, deren Kolbenstangen 9 an Gelenkstäben 10, 11, 12, 13 angreifen. Die Gelenkstäbe 10 bis 13 sind in Gelenkpunkten 14, 15 an den Rahmen 1 befestigt und in weiteren Gelenkpunkten 16, 17, 18 gelenkig miteinander verbunden. In diesen Gelenkpunkten sind auch die der Anzahl zu verladenden Rohre ensprechenden auswechselbaren Tragfinger 19 gelagert. Ändern sich die Zahl und die Durchmesser der zu verladenden Rohre, dann brauchen durch einen leichten Umbau lediglich die Zahl und/oder die Längen der Gelenkstäbe mit den zugehörigen Tragfingern geändert werden. Im Einzelfall hängt die Notwendigkeit einer Änderung jedoch von dem jeweiligen Rohrdurchmesser ab. Die Tragfingerachsen fallen je nach dem Tragfingerdurchmesser - anders als zeichnerisch dargestellt - nicht unbedingt mit den Rohrachsen zusammen.The transport device consists of a frame 1 with two frame parts 2, 3 which are displaceably guided one inside the other. On the frame part 2 there is a displacement cylinder 4, the piston rod of which engages on a bracket 5 of the other frame part 3. The frame 1 is suspended via four ropes 6 on a rotating device 7 with an eyelet for a crane hook and has lifting cylinders 8 arranged on the end face on its longitudinal axis, the piston rods 9 of which engage articulated rods 10, 11, 12, 13. The articulated rods 10 to 13 are fastened to the frame 1 at articulation points 14, 15 and articulated to one another at further articulation points 16, 17, 18. The interchangeable support fingers 19 corresponding to the number of tubes to be loaded are also stored in these articulation points. If the number and the diameter of the pipes to be loaded change, then the number and / or the lengths of the joint rods with the associated support fingers need only be changed by a slight modification. In individual cases, however, the need for a change depends on the respective pipe diameter. Depending on the diameter of the supporting finger, the supporting finger axles do not necessarily coincide with the tube axes, as shown in the drawing.

Beim Aufnehmen von beispielsweise drei Rohren 21, 22, 23 aus der in Fig. dargestellten Planlage wird der Rahmen im gespreizten Zustand, d. h. mit ausgefahrenem Verschiebezylinder 4 und senkrecht herabhängenden Gelenkstäben 10, 13 sowie rechtwinkelig dazu verlaufenden Gelenkstäben 11, 12 so über die Rohre' gefahren, daß die Haltefingerachsen in etwa mit den Rohrachsen zusammenfallen. Alsdann wird der Verschiebezylinder 4 wieder eingefahren, bis die Haltefinger 19 in das Innere der Rohre eingreifen. Alsdann werden die Kolbenstangen 9 der beiden Hubzylinder 8 eingefahren, wobei sich das mittlere Rohre 22 nach oben bewegt, während sich die beiden äußeren Rohre 21, 23 bis zur gegenseitigen Anlage aufeinander zubewegen. Schließlich bilden die Rohre das aus Fig.2 ersichtliche Dreierpack und können in dieser Lage umschnürt sowie auf einen Bundesbahnwaggon verladen werden.When picking up, for example, three tubes 21, 22, 23 from the flat position shown in FIG. H. with extended displacement cylinder 4 and vertically hanging articulated rods 10, 13 as well as articulated rods 11, 12 running at right angles to them so that the retaining finger axes coincide approximately with the tube axes. The displacement cylinder 4 is then retracted again until the holding fingers 19 engage in the interior of the tubes. Then the piston rods 9 of the two lifting cylinders 8 are retracted, the middle tube 22 moving upwards, while the two outer tubes 21, 23 move towards one another until they abut against one another. Finally, the tubes form the three-pack shown in Fig. 2 and can be strapped in this position and loaded onto a federal railway wagon.

Beim Umladen auf ein Schiff wird die am Haken eines Krans hängende Verladevorrichtung mit ausgefahrenem Rahmen 1, jedoch eingefahrenen Hybzylindern 8 über den Rohrstapel gebracht. Alsdann wird der Rahmen eingefahren und der Rohrstapel in den vorgesehenen Stauraum gebracht, wo dann die Kolbenstangen der Hubzylinder 8 wieder ausgefahren werden, um die Rohre in einer Planlage abzulegen. Alsdann wird der Rahmen 1 wieder ausgefahren, bis sich die Transportfinger 19 außerhalb der Rohre befinden und sich der Rahmen wieder frei bewegen kann.When reloading onto a ship, the loading device hanging on the hook of a crane is brought over the tube stack with the frame 1 extended but the Hyb cylinders 8 retracted. Then the frame is retracted and the tube stack is brought into the storage space provided, where the piston rods of the lifting cylinders 8 are then extended again in order to lay the tubes in a flat position. The frame 1 is then extended again until the transport fingers 19 are outside the tubes and the frame can move freely again.

Claims (8)

1. Apparatus for loading and unloading pipes by groups, consisting of a frame (1) and carrying fingers (19), wherein the carrying fingers are disposed opposite to one another in the longitudinal direction of the pipes and are movable towards one another and at least in one line perpendicularly to the pipe longitudinal direction, characterized in that the carrying fingers (19) are mounted on link rods (10, 11, 12, 13), connected with the frame (1) and with one another by their ends and pivotal transversely to the pipe longitudinal direction.
2. Apparatus according to Claim 1, characterized by a telescopic frame (2, 3) having a displacement drive (4).
3. Apparatus according to Claim 1 or 2, characterized by a frame (1) consisting of two parts (2, 3) and at least one intermediate component.
4. Apparatus according to one or more of Claims 1 to 3, characterized in that the link rods (10, 11, 12, 13) are detachably connected with the frame (1).
5. Apparatus according to Claim 3, characterized in that the link rods (10, 11, 12, 13) are connected with a movement drive (8).
6. Apparatus according to one or more of Claims 1 to 5, characterized in that the carrying fingers (19) are rotatably journalled.
7. Apparatus according to one or more of Claims 1 to 6, characterized in that the frame (1) is suspended by ropes (6) from a rotary drive (7).
8. Apparatus according to one or more of Claims 1 to 7, characterized in that lifting drives (8), disposed at mutually opposite ends of the frame, act each in a common articulation point of two link rods (10, 11, 12, 13) in the frame longitudinal axis.
EP82109145A 1981-10-03 1982-10-04 Pipe loading device Expired EP0076501B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82109145T ATE15637T1 (en) 1981-10-03 1982-10-04 DEVICE FOR LOADING PIPES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3139418A DE3139418C2 (en) 1981-10-03 1981-10-03 "Device for loading pipes"
DE3139418 1981-10-03

Publications (2)

Publication Number Publication Date
EP0076501A1 EP0076501A1 (en) 1983-04-13
EP0076501B1 true EP0076501B1 (en) 1985-09-18

Family

ID=6143344

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82109145A Expired EP0076501B1 (en) 1981-10-03 1982-10-04 Pipe loading device

Country Status (3)

Country Link
EP (1) EP0076501B1 (en)
AT (1) ATE15637T1 (en)
DE (2) DE3139418C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107826958A (en) * 2017-11-14 2018-03-23 安徽晨讯智能科技有限公司 A kind of pipe fitting hoisting structure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107285183A (en) * 2016-04-01 2017-10-24 中国二冶集团有限公司 A kind of method of hoisting rolling mill frame

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE304916C (en) *
DD63867A (en) *
US2789716A (en) * 1954-10-15 1957-04-23 Lloyd J Wolf Mobile pipe handling mechanism
DE1935165U (en) * 1965-07-22 1966-03-24 Moskopf & Co G M B H P DEVICE FOR CHANGING THE DISTANCE FROM ROWS OF SINGLE GRIPPERS ON A GRIPPING DEVICE.
FR2108994B1 (en) * 1970-10-28 1973-12-07 Barra Philippe
DE2336903A1 (en) * 1973-07-20 1975-02-06 Gerhard Rippen Concrete pipe handling grab - has hooks sliding in pipes actuated via linkage by single vertical ram

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107826958A (en) * 2017-11-14 2018-03-23 安徽晨讯智能科技有限公司 A kind of pipe fitting hoisting structure

Also Published As

Publication number Publication date
ATE15637T1 (en) 1985-10-15
DE3266407D1 (en) 1985-10-24
EP0076501A1 (en) 1983-04-13
DE3139418C2 (en) 1983-10-20
DE3139418A1 (en) 1983-04-28

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