DE6904408U - LOAD HOOKS FOR LIFTING EQUIPMENT, CRANES AND THE LIKE - Google Patents

Description

Load hooks for hoists, cranes and the like

The invention relates to a load hook for hoists, cranes and the like. Such load hooks are in different Embodiments are known, in particular those are known which consist in their basic structure of the The upper part of the hook defining the load hook and the lower part of the hook with a load-bearing bed and a lockable hook mouth. At acquaintances Load hook of this type, the hook mouth can be closed by an additional, tongue-like component, which is attached to the upper part of the hook or is hinged to the lower part of the hook and can be pushed back against a spring when the load is suspended. The is complex and not always reliable. When the load is detached, e.g. an obstacle against which the the no longer loaded load hook puts on, open the hook mouth and release the load.

The invention is based on the object of simplifying a load hook of the type described and, according to a preferred embodiment, functionally improve at the same time.

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Patent attorneys Dr. W. Andrejewski, Dr. M. Honke, 43 Essen, Kettwiger Strasse 36

The invention relates to a load hook for hoists, cranes and the like, consisting of (defining the load hook axis) Hook upper part and hook lower part with load bearing bed and lockable hook mouth. The invention consists in that the lower part of the hook is mounted on the upper part of the hook so that it can pivot about an axis orthogonal to the load-bearing axis and through this Pivoting movement is to open and close the hook mouth formed between the upper hook part and the lower hook part. That brings already a considerable simplification, since only two elements are functionally essential. In combination with it can be assigned a locking device, which the described pivoting movement between the upper hook part and The lower part of the hook blocked.

In particular, there are several possibilities within the scope of the invention. So you will generally arrange a hook nose on the hook upper part and this the hook lower part with his Map tip. The locking device can in principle be designed in various ways. Puncture-proof and according to a preferred embodiment of the invention, a locking device which has one or more in the upper part of the hook is robust has housed cylinders or wedges, which in turn have a locking surface on the lower part of the hook, on the other hand, an * self-locking abutment surface on the upper part of the hook interact. Here, with every force that tries to open the hook mouth, the locking force increases, while nonetheless, if a force trying to open the hook mouth is not acting, the lock will be easy can be released by lifting a wedge or cylinder.

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Patent attorneys Dr. W. Andrejewski, Dr. M. Honke, 43 Essen, Kettwiger Strasse 36

As is customary with load hooks, the inventive Load hook is molded onto a pivot pin on the upper part of the hook or be connected in some other way.

The advantages achieved by the invention consist first of all in a considerable simplification, with one at the same time (. Functional improvement is achieved. This applies in particular to the embodiment with a self-locking locking device, which is therefore of particular importance.

In the following, the invention is explained in more detail with reference to a drawing showing only one embodiment; show it:

1 shows a load hook according to the invention in side view,

EIg. 2 the object according to FIG. 1 in a different functional position,

FIG. 5 shows a view of the object of FIG. 1 from the direction of arrow A.

The load hook shown in the figures is intended for hoists, cranes and the like. It consists in its fundamental Structure of an upper hook part 2 defining the load hook axis 1 and a lower hook part 3 with a load-bearing bed 4 and has a lockable hook mouth 5. For this purpose, the lower hook part 3 is about a to the load hook axis 1 orthogonal axis 6 pivotably mounted on the upper hook part 2.

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Patent attorneys Dr. W. Andrejewski, Dr. M. rlonke, 43 Essen, Kettwiger Strasse

It can be seen from a comparative consideration of the two positions that have ^{been indicated in Fig. 1 r} that the hook mouth 5 formed between hook upper part 2 and hook lower part 5 can be opened and closed by this pivoting movement. In order to block the pivoting movement of the lower part of the hook with respect to the upper part of the hook 2, the hook

^ - Lower part 5 assigned a locking device. the

In the exemplary embodiment, the locking device consists of a cylinder 7 * which is accommodated in the hookpertop part 2 on the one hand with a locking surface 8 on the lower hook part 3, on the other hand with an abutment surface 9 on the upper hook part 2 self-locking wechss Iwrikt. Instead of the cylinder 7, a wedge can also be provided. Works on the lower part of the hook 3 a force in the direction of arrow 10, the self-locking occurs, so that the locking force with the opening force gets bigger. If there is no such opening force, the cylinder 7 can be lifted slightly, including a corresponding clamping sleeve 11 is provided which

(~) is guided in a slot 12 on the upper hook part 2 and the

can be easily operated from the outside. Of course, the self-locking cylinder 7 of the locking device can also be operated in other ways.

On the hook upper part 2 there is a hook nose 13, this is associated with the lower hook part 3 with its tip 15, so that when the hook mouth 5 is closed, a practical complete closure has been achieved. In addition, the upper hook part 2 has an integrally formed pivot pin 14.

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Patent attorneys Dr. W. Andrejewski, Dr. M. Honke, 43 Essen, Kettwiger Strasse

The joint between the upper part of the hook 2 and the lower part of the hook 3 a pin joint, a clamping sleeve can be used as pin 15.

The load hook shown can be used for a wide variety of purposes. It is suitable because of the properties described in particular in connection with tipping devices for transport containers, pallets and the like, as e.g. German Patent 1 210 7-6.

Protection claims:

Claims (5)

lilt ·· ■ · ·· ·· ·· I till I »1 till · 1 I 111 I · 11 111! 1) jlll Jl I j I <> J Jl J '* ti> l Patent Attorneys Dr. W. Andrejewiki, Dr. M. Honlce, 43 Essen, Kettwiger Strasse 36 -6- Protection claims \ J 1. Load hook for hoists, cranes and the like, consisting of hook upper part and hook lower part with load bearing bed as well lockable hook mouth, characterized in that the lower part of the hook (3) is about an axis orthogonal to the load hook axis (l) Axis (6) pivotably mounted on the upper hook part (2) and through this pivoting movement between the upper hook part (2) and the lower hook part (3) formed hook mouth (5) is to be opened and closed. 2. Load hook according to claim 1, characterized in that, in combination with this, the lower hook part (3) has a locking device assigned. 3. Load hook according to claims 1 and 2, characterized in that the locking device has one or more im The upper part of the hook (2) has cylinders (7), balls or wedges, which on the one hand have a locking surface (8) interacts in a self-locking manner on the upper hook part (3), on the other hand, an abutment surface (9) on the upper hook part (2). 4. Load hook according to claims 1 to 3, thereby marked, that a hook nose (13) is arranged on the upper hook part (2) and the lower hook part (3) with its tip (16) assigned. 5. Load hook according to claims 1 to 4, characterized in that a pivot pin (l4) is integrally formed on the upper hook part (2). PAe Dr Andrejewski, Dr Honke