CN219314368U - Novel lifting hook component - Google Patents

Abstract

The utility model belongs to the technical field of lifting appliances, and particularly relates to a novel lifting hook component. The novel lifting hook assembly comprises a lifting hook, a connecting frame and a lifting ring, wherein the lifting hook comprises a hook rod, a hook head is arranged at the lower end of the lifting hook, and a hook claw is arranged at the upper end of the lifting hook; a plurality of positioning columns are arranged in the connecting frame, the hook claw is inserted between the adjacent positioning columns or locks and holds the positioning columns, the lifting ring is arranged on the upper part of the connecting frame, the hook rod of the lifting hook is in sliding connection with the connecting frame through the vertical damping mechanism and is used for realizing the hooking and unhooking of the hook claw and the positioning columns, and the hook head of the lifting hook extends out from the lower part of the connecting frame; the lifting hook of the lifting hook component is connected through flexible damping, and the positioning and locking after the lifting hook applies force, so that the functions of elastic buffering during lifting and positioning and falling prevention of the lifting hook after lifting are realized.

Description

Novel lifting hook component

Technical Field

The utility model belongs to the technical field of lifting appliances, and particularly relates to a novel lifting hook component.

Background

The lifting hook is usually hung on a steel wire rope (sling) of a lifting mechanism by means of pulley blocks and other parts, and is the most common lifting appliance in the current lifting machinery. The lifting hook is mainly used for lifting and transporting heavy structures, and once a lifting hook object falls due to improper operation, great potential safety hazards are brought to personal and property safety, and any factors possibly influencing the safety of the lifting hook are paid attention to before and during operation.

The existing lifting hook generally adopts a direct-connection type connector, and the rigid connection mode has overlarge lifting impact force after sleeving the rope, so that the lifting hook is required to have higher mechanical strength, and meanwhile, the bearing performance of the rope is good, so that the rope is prevented from being broken in the lifting process; secondly, because the hook body structure is open and can rotate relatively to the joint, the rope is prevented from slipping during hoisting, and especially when the lifting hook moves transversely, the hook body and the joint are ensured to be relatively static, so that the problems of rope falling, overlarge hysteresis deviation amplitude of a hoisted object and the like caused by the swinging of the hook body are prevented.

Disclosure of Invention

The utility model aims to provide a novel lifting hook component which is flexibly connected in a damping way and locked in a positioning way after the lifting hook applies force, and has the characteristics of elastic buffering during lifting and positioning and falling prevention of the lifting hook after lifting.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a novel hook assembly, characterized in that: the lifting hook comprises a hook rod, a hook head is arranged at the lower end of the lifting hook, and a hook claw is arranged at the upper end of the lifting hook; be equipped with a plurality of reference columns in the connecting frame, collude claw insert adjacently between the reference column or lock hold the reference column, rings are arranged in connecting frame upper portion, the hooked pole of lifting hook with the connecting frame passes through vertical damping mechanism sliding connection, is used for realizing collude claw and reference column collude and open, the gib head of lifting hook stretches out by the lower part of connecting frame.

Additional technical features that constitute the above-mentioned novel hook assembly include:

the connecting frame consists of a panel, a back plate and a plurality of connecting rods or screws arranged between the panel and the back plate, and two ends of the positioning column are welded or in threaded connection with the panel and the back plate;

the vertical damping mechanism arranged between the hook rod and the connecting frame is characterized in that a vertical groove is formed in a panel and/or a back plate of the connecting frame, a limit pin is arranged on a rod body of the hook rod, the limit pin slides in the vertical groove, and the limit pin is connected with the panel and/or the back plate through a pre-tightening spring or an air spring;

the upper part of a hook rod of the lifting hook is provided with an inclined section, the lower part of the hook rod is provided with a vertical section, the end part of the inclined section is connected with the hook claw, the end part of the vertical section is connected with the hook head, and a limit column matched with the inclined section is arranged in the connecting frame;

the safety clamp is arranged at the root of the hook head, one end of the safety clamp is rotatably connected with the root of the hook head through a pin shaft, the other end of the safety clamp is in contact with the end part of the hook head, the torsion spring is sleeved on the pin column, and two ends of the torsion spring are respectively connected with the hook head and the safety clamp.

Compared with the prior art, the novel lifting hook assembly provided by the utility model has the following advantages: the lifting hook of the novel lifting hook assembly consists of the hook claw, the hook rod and the hook head, wherein the hook claw is matched with the positioning column in the connecting frame, the vertical movement of the hook claw can lock the positioning column or insert the positioning column into a gap, the positioning locking effect of the lifting hook after lifting is achieved, the lifting hook is prevented from swinging during transverse movement, the falling of the lifting hook or a rope is avoided, and the safety and stability of the lifting process are improved; secondly, the hook rod of the lifting hook is in sliding connection with the connecting frame through the vertical damping mechanism, so that the hooking and unhooking of the hook claw and the positioning column are realized, in addition, the vertical damping motion provides hoisting elastic buffering, the overload of the load of the lifting hook is avoided, the force application uniformity of the lifting hook is ensured, the hook head of the lifting hook extends out from the lower part of the connecting frame, the force is downwards moved, the force is removed, the vertical damping motion is not easy to be influenced by hoisting displacement, and the motion stability of a hoisted object is ensured.

Drawings

Fig. 1 is a schematic view of a novel hook assembly (panel separated) according to the present utility model.

Detailed Description

The construction and operation of the novel hook assembly provided by the present utility model will now be described in further detail with reference to the accompanying drawings, wherein it is apparent that the illustrated embodiments are merely some, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the terms "upper", "lower", "horizontal", "vertical", "oblique", and the like refer to an orientation or positional relationship based on that shown in the drawings, for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the utility model.

It should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, the novel lifting hook assembly structurally comprises a lifting hook, a connecting frame and a lifting ring 3, wherein the lifting hook comprises a hook rod 11, a hook head 12 is arranged at the lower end of the lifting hook, and a hook claw 13 is arranged at the upper end of the lifting hook; a plurality of positioning columns 21 are arranged in the connecting frame, the hook claw 13 is inserted between the adjacent positioning columns 21 or is locked and held by the positioning columns 21, the hanging ring 3 is arranged on the upper part of the connecting frame, the hook rod 11 of the hanging hook is in sliding connection with the connecting frame through a vertical damping mechanism, and the hook claw 13 is used for achieving hooking and unhooking of the hook claw 13 and the positioning columns 21, and the hook head 12 of the hanging hook extends out from the lower part of the connecting frame.

The working principle is as follows: the lifting hook lifts an object through a rope, and the lower end hook head 12 moves downwards under the force; the hook claw 13 at the upper end moves downwards to be inserted into a gap of the positioning column 21 of the connecting frame or directly locks and holds the positioning column 21, so that the lifting hook is positioned, the relative movement after lifting is prevented, the lifting hook moves up and down due to the fact that the hook rod 11 of the lifting hook is in sliding connection with the connecting frame through the vertical damping mechanism, locking of the lifting hook is ensured, elastic buffering can be provided for the lifting hook, and the flexible joint enhances the load stability of the lifting hook.

In the construction constituting the novel hook assembly described above,

preferably, the connecting frame is composed of a panel 22, a back plate 23 and a plurality of connecting rods or screws 24 arranged between the panel 22 and the back plate 23, namely, the connecting frame is opened up and down, the panel 22 and the back plate 23 are welded with the hanging ring 3 through the high-strength nuts 10, a shell cavity for accommodating the hook rod 11 of the hanging hook is formed between the panel 22 and the back plate 23, the connecting rods or screws 24 are connected with the panel 22 and the back plate 23 in parallel side by side to form a whole, and two ends of the positioning column 21 are welded or in threaded connection with the panel 22 and the back plate 23, so that the function of limiting the hook claw 13 is achieved, and the structural strength of the connecting frame can be further enhanced;

in one embodiment, vertical grooves 41 are formed in both the front plate 22 and the back plate 23 of the connecting frame, the vertical grooves 41 correspond horizontally, horizontal limiting pins 42 are symmetrically arranged on the rod body of the hook rod 11, the end parts of the two limiting pins 42 are respectively positioned in the vertical grooves 41 and slide, the limiting pins 42 are connected with the front plate 22 and the back plate 23 through air springs or pre-tightening springs 43, the springs 43 can be sleeved outside the hook rod 11, damping movement effect is achieved in the telescopic process, when the pre-tightening springs 43 are installed on the upper parts of the limiting pins 42, the pre-tightening springs 43 are in a tensioning state, after the lifting hooks are unloaded, the hook heads 12 are pulled to move upwards, when the pre-tightening springs 43 are installed on the lower parts of the limiting pins 42, in a pre-pressing state, after the lifting hooks are unloaded, the hook heads 12 are pushed to move upwards;

preferably, the upper part of the hook rod 11 of the lifting hook is provided with an inclined section 51, the lower part is a vertical section 52, the end part of the inclined section 51 is connected with the hook claw 13, the end part of the vertical section 52 is connected with the hook head 12, the opening directions of the hook claw 13 and the hook head 12 are opposite, namely, the lifting hook is a 8-shaped double-headed hook, a limit post 53 matched with the inclined section 51 is arranged in the connecting frame, the hook claw 13 is inserted into the gap of the positioning post 21, the limit post 53 and the two positioning posts 21 are used for positioning and locking the lifting hook at three points, when the lifting hook is lifted, the hook rod 11 is upwards along the limit post 53, and the hook claw 13 slides out of the gap of the positioning post 21;

further, the root of the hook head 12 is provided with the safety card 61, one end of the safety card 61 is rotationally connected with the root of the hook head 12 through a pin shaft, the other end of the safety card 61 is in contact with the end of the hook head 12, the pin is sleeved with the torsion spring 62, the two ends of the torsion spring 62 are respectively connected with the hook head 12 and the safety card 61, namely, the safety card 61 is pressed on the end of the hook head 12 under the action of the torsion spring 62, and the safety card 61 has the function of a one-way valve and can push the safety card 61 to be opened inwards for putting in or taking out a rope, but cannot be opened outwards to prevent the rope from falling off during hoisting.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limited to the implementation conditions of the present utility model, so that other modifications of the technical solution of the present utility model, or the equivalent of the structural dimensions and internal structures, should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims (5)

1. A novel hook assembly, characterized in that: the lifting hook comprises a hook rod, a hook head is arranged at the lower end of the lifting hook, and a hook claw is arranged at the upper end of the lifting hook; be equipped with a plurality of reference columns in the connecting frame, collude claw insert adjacently between the reference column or lock hold the reference column, rings are arranged in connecting frame upper portion, the hooked pole of lifting hook with the connecting frame passes through vertical damping mechanism sliding connection, is used for realizing collude claw and reference column collude and open, the gib head of lifting hook stretches out by the lower part of connecting frame.

2. A novel hook assembly according to claim 1, wherein: the connecting frame is composed of a panel, a back plate and a plurality of connecting rods or screws arranged between the panel and the back plate, and two ends of the positioning column are welded or in threaded connection with the panel and the back plate.

3. A novel hook assembly according to claim 1 or 2, wherein: the vertical damping mechanism installed between the hook rod and the connecting frame is characterized in that a vertical groove is formed in a panel and/or a back plate of the connecting frame, a limiting pin is arranged on a rod body of the hook rod, the limiting pin slides in the vertical groove, and the limiting pin is connected with the panel and/or the back plate through a pre-tightening spring or an air spring.

4. A novel hook assembly according to claim 1, wherein: the upper part of a hook rod of the lifting hook is provided with an inclined section, the lower part of the hook rod is provided with a vertical section, the end part of the inclined section is connected with the hook claw, the end part of the vertical section is connected with the hook head, and a limit column matched with the inclined section is arranged in the connecting frame.

5. A novel hook assembly according to claim 1, wherein: the root of the hook head is provided with a safety card, one end of the safety card is rotationally connected with the root of the hook head through a pin shaft, the other end of the safety card is in contact with the end part of the hook head, the pin column is sleeved with a torsion spring, and two ends of the torsion spring are respectively connected with the hook head and the safety card.

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