CN220393075U - Tower crane lifting hook component - Google Patents

Abstract

The utility model relates to the field of tower cranes, and discloses a tower crane lifting hook assembly, which comprises a damping box, wherein sliding grooves are formed in two sides of the inner part of the damping box, sliding blocks are inserted in the two sliding grooves in a sliding manner, one ends of the two sliding blocks, which are close to each other, are respectively provided with a mounting plate through welding, the bottom ends of the mounting plates are provided with lifting hooks through bolts, one side top of each lifting hook is movably provided with an anti-falling plate through a rivet, two sides of the bottom ends of the mounting plates are respectively provided with a damping spring through screws, the bottom ends of the two damping springs are respectively provided with a supporting plate through welding, and one ends, which are far away from each other, of the two supporting plates are respectively provided with two sides of the bottom ends of the damping box through welding. The utility model has the following advantages and effects: through installing damping spring at the bottom both ends screw of mounting panel, when using, cushion, subdue the impact force that the lifting hook bore through two damping spring, the effectual lifting hook of avoiding appears cracked problem because of bearing great impact force, very big improvement lifting hook's life.

Description

Tower crane lifting hook component

Technical Field

The utility model relates to the technical field of tower cranes, in particular to a tower crane lifting hook assembly.

Background

Through retrieving, the patent document of the bulletin number CN112239140A discloses a tower crane hook assembly, which comprises a device body, the device body comprises a connecting frame, a pulley lifting lug is movably arranged in the connecting frame, a connecting rod is fixedly connected with the bottom end of the connecting frame, a supporting block is fixedly arranged in the connecting rod, and a hook body is movably arranged in the supporting block.

However, the above design has the disadvantage that the lifting hook can bear a large impact force during lifting, so that the lifting hook has the problem of plastic deformation or rigid fracture, and therefore, a tower crane lifting hook assembly is proposed to solve the problem.

Disclosure of Invention

The utility model aims to provide a tower crane hook assembly which has a damping effect.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a tower crane lifting hook subassembly, includes the shock attenuation box, the spout has all been seted up to the inside both sides of shock attenuation box, two the inside of spout is all pegged graft in the slip has the slider, two the one end that the slider is close to each other has all been installed the mounting panel through the welding, the lifting hook is installed through the bolt to the bottom of mounting panel, one side top of lifting hook has the anticreep board through rivet movable mounting, the damping spring is all installed through the screw to the bottom both sides of mounting panel, two damping spring's bottom is all installed the layer board through the welding, two the one end that the layer board kept away from each other all through welded mounting in the bottom both sides of shock attenuation box.

The utility model is further provided with: and the top of the damping box is welded with a pulley box.

Through adopting above-mentioned technical scheme, through being in the top welding of shock attenuation box has the pulley case, realizes connecting steadily, increases safety in utilization, avoids appearing cracked problem.

The utility model is further provided with: the two sides of the interior of the pulley box are inserted with rotating shafts of which the two ends are sleeved with rolling bearings through the through holes.

Through adopting above-mentioned technical scheme, through the inside both sides of pulley case have the rotation axis that the antifriction bearing has been cup jointed at both ends through the through-hole grafting of seting up, realize the activity rotation of rotation axis, the effectual rotatory flexibility that improves reduces friction and abnormal sound's production.

The utility model is further provided with: the outside of rotation axis has three pulleys through the equidistant grafting of connecting key.

Through adopting above-mentioned technical scheme, through the outside of rotation axis has three pulleys through the equidistant grafting of connecting key, realizes that the installation is stable, is convenient for install and remove the action.

The utility model is further provided with: the top of pulley case has run through and has offered the inlet wire.

Through adopting above-mentioned technical scheme, through the top of pulley case runs through and has offered the inlet, is convenient for add the wire rod through the inlet.

The utility model is further provided with: the two damping springs are pressure springs, and the lifting hook penetrates through a gap between the two supporting plates.

Through adopting above-mentioned technical scheme, through will two damping spring is the pressure spring, realizes when using, cushions, reduces the impact force that the lifting hook bore through two damping spring, effectually avoids the lifting hook to appear cracked problem because of bearing great impact force, very big improvement lifting hook's life.

The utility model is further provided with: the pulley box is all circular box, the inside week side of pulley box is all installed soundproof cotton through the rivet.

Through adopting above-mentioned technical scheme, through all installing soundproof cotton through the rivet in the inside week side of pulley case, increase the sound insulation of the inside of pulley case avoids appearing great noise production.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the damping springs are arranged at the two ends of the bottom of the mounting plate through the screws, and when the damping spring is used, the impact force born by the lifting hook is buffered and reduced through the two damping springs, so that the problem that the lifting hook breaks due to bearing of a larger impact force is effectively avoided, and the service life of the lifting hook is greatly prolonged;

2. according to the utility model, the sliding blocks welded at the two ends of the mounting plate are clamped in the sliding grooves, so that the displacement of the mounting plate is limited through the two sliding grooves, and the moving efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a tower crane hook assembly of the present utility model;

FIG. 2 is a schematic diagram of the front view of a tower crane hook assembly according to the present utility model;

fig. 3 is a schematic a structural view of a tower crane hook assembly according to the present utility model.

In the figure, 1, a damping box; 2. a chute; 3. a slide block; 4. a mounting plate; 5. a lifting hook; 6. an anti-drop plate; 7. a damping spring; 8. a supporting plate; 9. a pulley box; 10. a rotation shaft; 11. a pulley; 12. and a wire inlet.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the 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 fall within the scope of the utility model.

When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present, the term "disposed" indicating a manner of presence and may be connected, mounted, fixedly connected, operatively connected, or the like. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the utility model provides a tower crane lifting hook assembly, which comprises a shock absorption box 1, wherein sliding grooves 2 are formed in two sides of the inner part of the shock absorption box 1, sliding blocks 3 are inserted in the two sliding grooves 2 in a sliding manner, a mounting plate 4 is mounted at one ends of the two sliding blocks 3, which are close to each other, through welding, a lifting hook 5 is mounted at the bottom end of the mounting plate 4 through bolts, a drop-off preventing plate 6 is movably mounted at the top of one side of the lifting hook 5 through rivets, shock absorption springs 7 are mounted at two sides of the bottom end of the mounting plate 4 through screws, supporting plates 8 are mounted at two ends, which are far away from each other, of the two supporting plates 8 are mounted at two sides of the bottom end of the shock absorption box 1 through welding.

Specifically, the top welding of shock attenuation box 1 has pulley case 9, and the rotation axis 10 that antifriction bearing has been cup jointed at both ends has been pegged graft through the through-hole of seting up to the inside both sides of pulley case 9, and three pulley 11 have been pegged graft through the connecting key equidistance to the outside of rotation axis 10, and the top of pulley case 9 runs through and has seted up inlet wire 12, and two damping spring 7 are the pressure spring, and lifting hook 5 runs through the clearance between two layer boards 8, and the equal circular box of pulley case 9, the soundproof cotton is all installed through the rivet to the inside week side of pulley case 9.

By adopting the scheme, the pulley box 9 is welded at the top of the damping box 1, the connection stability is realized, the use safety is improved, the problem of fracture is avoided, the rolling bearing is sleeved at the two ends of the rotating shaft 10 through the through holes formed in the two sides of the inner part of the pulley box 9, the movable rotation of the rotating shaft is realized, the rotation flexibility is effectively improved, friction force and abnormal sound are reduced, three pulleys 11 are equidistantly spliced through connecting keys outside the rotating shaft 10, the installation stability is realized, the assembly and disassembly behaviors are convenient, the wire inlet 12 is formed through penetrating through the top of the pulley box 9, the wire rod is convenient to add through the wire inlet 12, the impact force born by the two damping springs 7 is reduced through the pressure springs, the problem of fracture is effectively avoided, the service life of the lifting hook 5 is greatly prolonged due to the fact that the impact force is born, soundproof cotton is arranged on the inner peripheral side of the pulley box 9 through rivets, and the noise is avoided.

The utility model has been described in detail with reference to a tower crane hook assembly. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (7)

1. A tower crane hook assembly, characterized in that: including shock attenuation box (1), spout (2) have all been seted up to the inside both sides of shock attenuation box (1), two the inside of spout (2) is all pegged graft in the slip has slider (3), two the one end that slider (3) are close to each other is all installed mounting panel (4) through the welded connection, lifting hook (5) are installed through the bolt to the bottom of mounting panel (4), one side top of lifting hook (5) is through rivet movable mounting has anticreep board (6), the bottom both sides of mounting panel (4) are all installed damping spring (7) through the screw, two damping spring (7)'s bottom is all installed layer board (8) through the welded connection, two the one end that layer board (8) kept away from each other all through welded connection in the bottom both sides of shock attenuation box (1).

2. A tower crane hook assembly as defined in claim 1, wherein: the top of the shock absorption box (1) is welded with a pulley box (9).

3. A tower crane hook assembly as defined in claim 2, wherein: the two sides of the inside of the pulley box (9) are inserted with rotating shafts (10) with two ends sleeved with rolling bearings through holes.

4. A tower crane hook assembly according to claim 3, wherein: the outside of rotation axis (10) has three pulleys (11) through the equidistant grafting of connecting key.

5. A tower crane hook assembly as defined in claim 2, wherein: the top of the pulley box (9) is provided with a wire inlet (12) in a penetrating way.

6. A tower crane hook assembly as defined in claim 1, wherein: the two damping springs (7) are pressure springs, and the lifting hook (5) penetrates through a gap between the two supporting plates (8).

7. A tower crane hook assembly as defined in claim 2, wherein: the pulley box (9) is a round box body, and soundproof cotton is arranged on the inner peripheral side of the pulley box (9) through rivets.