DE1921906B2

DE1921906B2 - LOAD HOOK FOR LIFTING EQUIPMENT

Info

Publication number: DE1921906B2
Application number: DE19691921906
Authority: DE
Inventors: Der Anmelder Ist
Original assignee: Neuhäuser, Helmut, 4628 Lünen
Priority date: 1969-04-29
Filing date: 1969-04-29
Publication date: 1972-09-21
Also published as: DE1921906A1

Description

und besitzt ein verschließbares Hakenraaul 5. Dazu ist das Hakenunterteil 3 um eine horizontale Achse 6 schwenkbar am Hakenoberteil 2 gelagert. Man erkennt aus einer vergleichenden Betrachtung der beiden in F i g. 1 und 2 gezeigten Stellungen, daß durch diese Schwenkbewegung das zwischen Hakenoberteil 2 und Hakenunterteil 3 gebildete Hakenmaul 5 zu öffnen und zu schließen ist. Um die Schwenkbewegung des Hakenunterteils 3 gegenüber dem Hakenoberteil 2 zu blockieren, ist dem Hakenunterteil 3 eine Verriegelungsvorrichtung zugeordnet. Die Verriegelungsvorrichtung besteht aus einem als Verriegelungselement im Hakenoberteil 2 geführten Zylinder 7, der einerseits mit einer Verriegelungsfläche 8 am Hakenunterteil 3, andererseits mit einer Widerlagerfläche am Hakenoberteil 2 selbsthemmend zusammenwirkt. An Stelle des Zylinders 7 mit seiner Mantelfläche 9 kann auch ein Keil vorgesehen sein. Wirkt am Hakenunterteil 3 eine Kraft in Richtung des Pfeiles 10, so tritt die Selbsthemmung ein, so daß mit der Öffnungskraft die Verriegelungskraft größer wird. Ist eine solche Öffnungskraft nicht vorhanden, so kann der Zylinder 7 leicht angehoben werden, wozu eine entsprechende Spannhülse 11 vorgesehen fet, die in einer Langlochführung 12 am Hakenoberteil 2 gefuhrt ist S und die von außen leicht betätigt werden kann. Selbstverständlich kann der selbsthemmende Zylinder 7 der Verriegelungsvorrichtung auch auf andere Weise betätigt werden. . .
Am Hakenoberteil 2 befindet sich eme Haken-and has a lockable hook rack 5. For this purpose, the lower hook part 3 is mounted on the upper hook part 2 so as to be pivotable about a horizontal axis 6. One can see from a comparative consideration of the two in FIG. 1 and 2 positions shown that through this pivoting movement the hook mouth 5 formed between the upper hook part 2 and the lower hook part 3 can be opened and closed. In order to block the pivoting movement of the lower hook part 3 with respect to the upper hook part 2, a locking device is assigned to the lower hook part 3. The locking device consists of a cylinder 7 which is guided as a locking element in the upper hook part 2 and which interacts in a self-locking manner on the one hand with a locking surface 8 on the lower hook part 3 and on the other hand with an abutment surface on the upper hook part 2. Instead of the cylinder 7 with its outer surface 9, a wedge can also be provided. If a force acts on the lower hook part 3 in the direction of arrow 10, self-locking occurs so that the locking force increases with the opening force. If such an opening force is not available, the cylinder 7 can be raised slightly, for which purpose a corresponding clamping sleeve 11 is provided, which is guided in an elongated hole guide 12 on the upper hook part 2 and which can be easily operated from the outside. Of course, the self-locking cylinder 7 of the locking device can also be actuated in other ways. . .
On the upper hook part 2 there is a hook

i. maulnase 13, der am Hakenunterteil3 die Hakenspitze 15 zugeordnet ist, so daß bei geschlossenem Hakenmaul 5 ein praktisch vollständiger Verschluß erreicht ist. Im übrigen besitzt das Hakenoberteil 2 einen angeformten Schwenkzapfen 14. Das Gelenki. mouth nose 13, which is assigned to the hook tip 15 on the hook lower part 3, so that when the hook mouth is closed 5 a practically complete closure is achieved. The upper part of the hook also has 2 an integrally formed pivot pin 14. The joint

zwischen Hakenoberteil 2 und Hakenunterteil 3 ist ein Bolzengelenk; es kann eine Spannhülse als Bolzen verwendet werden. ,between hook upper part 2 and hook lower part 3 is a Pin joint; a clamping sleeve can be used as a bolt. ,

Der dargestellte Lasthaken ist allgemein verwendbar Er ist wegen seiner Eigenschaften besonders furThe load hook shown is generally applicable. Because of its properties, it is particularly suitable for

Kippvorrichtungen für Transportbehälter, Paletten und dergleichen geeignet.Tilting devices suitable for transport containers, pallets and the like.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims

ι 2ι 2

ken the load hook and put on a counter-claim: the lower part of the hook was raised and the

Hakeamaul is released.

Load hook for hoists, consisting of a load hook of a similar type (cf.

Hook upper part and one between the cheeks of the 5 USA. Patents 1956 786, 2 436 792 and hook upper part around a horizontal axis 2 476 847 and German patent 959 130), the pivoting hook lower part with hook tip also with a to hang up the load and If the load-bearing bed is provided with a lower part of the hook at the end of the hook, only the upper part is arranged, which has been modified from the upper part of the hook and the locking device. So the hook bottom part formed mouth in the working position io are the locking devices as an eccentric locking hook mouth nose, and with a key, spring-loaded catches or as a locking device with which the pivot teeth with the hook bottom part in engagement movement of the hook bottom part out of the working position and pivotable Hooked noses formed,
Furthermore, load hooks of a completely different type are provided with a locking surface as well as with 15 (see German patents 515 637, 122 822 a substantially vertically extending long and 46 885), in which special catch levers for the Hole guide, characterized in a pivotable lower part or a cover for the * = that in the upper hook part in the elongated hole guide upwardly extended end of the hook (12) can be raised as a lever, a locking element in the form of a lower part or a pivotable and with the Haeines cylinder (7) , a ball or a wedge 20 kenunterteil is guided over a toothing in engagement and that this locking element up-coming hook nose are provided. These known embodiments, on the one hand, via an abutment surface on the hook, require a composite upper part (2) and, on the other hand, via the interlocking structure and offer no security The locking release position is blocked in a self-locking manner and adjusted in such a way that the locking can only be released by lifting it out of the working position.

gives. The invention has for its object to be a

To design load hooks of the type described at the beginning with a simple structure that the locking

30 management device with simplified operation absolutely

is functionally reliable.

This object is achieved by the invention in that in the upper part of the hook in the slot guide

The invention relates to a load hook for lifting and lifting a locking element in the form of a Zy Ze, consisting of a hook upper part and a 35 linder, a ball or a wedge is guided and between the cheeks of the hook upper part about a horizontal that this locking element can be pivoted on the one hand about a zontal axis The lower part of the hook has an abutment surface on the upper part of the hook, on the other hand, the tip of the hook and the load-bearing bed and a mouth, which is arranged on the upper part of the hook and is formed from the upper part of the hook in the locking position and is self-locking blocking part and the lower part of the hook, in the working position and only by lifting the cylinder, the wedge ment closing hook nose and releases with a ball or from the working position.
Locking device with which the Schwenkbewe ^ The advantages achieved by the invention are

Movement of the lower part of the hook from the working position can mainly be seen in the fact that, on the one hand, it can be blocked in production is, with at least the lower part of the hook, special formations on the pre-technical point Verriepdungsnache seen as well as with a hook point in the 45 or on the hook nose as well as other essentials vertically running elongated hole guide. ren parts are omitted, which leads to an essential

A known load hook of this type has a simplified structure and, on the other hand, is easy to use (see U.S. Patent 2 359 557) the structure is, in terms of genetics, an increase in the load situation, that the lower part of the hook, the slot guide kenuntsteils with, if necessary, attaching to it and with this on a lower hook part and 50 striking means are omitted as well as the locking element hook upper part connecting trunnions are automatically stored in the elements due to their own weight is. Furthermore, a hook-promoting locking position is incurred on the lower part of the hook and by an external one Mige locking lug molded, which are no longer adjustable in the lowered Ar influences. It can be beitsstellung of the lower hook part an associated in a simple way to implement the structure so that Abutment on the hooked nose overgrown. The 55 when a force that opens the hook mouth occurs Lying surfaces are used as stop or guide surfaces to increase the locking force formed, which is barbar when lowering the hook.

Partly in the working position a pivoting movement In the drawings, the invention is illustrated by hand

the lower part of the hook to the upper part of the hook. an embodiment explained in more detail; The disadvantage of this known load hook is that it shows 60

to hang or unhook a load the Ha- F i g. 1 a load hook in side view,

lower part must be lifted. That requires F i g. 2 the subject of F i g. 1 in other

especially with larger load hooks a significant functional position and

chen effort, since the load attachment means with an- F i g. 3 is a view of the subject matter of FIG. 1

need to be lifted. Furthermore, the above 65 leads from the direction of arrow A.

Structure described in the known load hook The load hook for hoists consists of a

too high manufacturing costs. In addition, the upper part of the hook defines the load hook axle2 there is no security against the fact that the lower part and a lower hook part 3 with a load-bearing bed 4