CN212953872U

CN212953872U - Lifting hook for tower crane

Info

Publication number: CN212953872U
Application number: CN202021594158.3U
Authority: CN
Inventors: 谷加勇; 申云德; 赵安贵; 吴升; 郑常明; 杨文武
Original assignee: Sichuan Longchang Machinery Manufacturing Co ltd
Current assignee: Sichuan Longchang Machinery Manufacturing Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-13
Anticipated expiration: 2030-08-04

Abstract

The utility model relates to a lifting hook for tower crane, which comprises a lifting hook and a connecting cylinder arranged at the upper end of the lifting hook, wherein the connecting cylinder is provided with two sealed ends, the top of the connecting cylinder is provided with a connecting hole in a penetrating way, the connecting hole is connected with a connecting column in a matching way, the upper part and the lower part of the connecting column are respectively provided with an upper limiting plate and a lower limiting plate, the side wall of the connecting cylinder is provided with an adjusting hole in a penetrating way, the adjusting hole is connected with a limiting hook in a matching way, the limiting hook is arranged in a right angle way, one end of the limiting hook is fixedly connected with the side wall of the connecting column, the limiting hook is connected with a U-shaped limiting plate in a matching way, when in use, after a rope is hooked by the lifting hook, the U-shaped limiting plate is clamped with the limiting hook, when, can effectually avoid the lifting hook at the during operation, and cause the rope to rock the problem that drops, improve the stability of device greatly.

Description

Lifting hook for tower crane

Technical Field

The utility model relates to a crane equipment technical field specifically is a lifting hook for tower crane.

Background

The tower crane consists of three parts, including metal structure, work mechanism and electric system, and is used mainly in vertical and horizontal conveying of material and installation of building member in building construction.

At the present stage, when the tower crane is used, the rope is hooked through the lifting hook to lift the article, the existing lifting hook is mostly a single lifting hook, a structure for stabilizing and limiting the rope is not arranged, the article is caused to shake in the stretching process, and therefore the rope is caused to fall and the like, the safety performance of the device is poor, the practicability of the device is greatly reduced, and the lifting hook for the tower crane is provided for the purpose.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tower crane hook to it is spacing to stabilize to the rope that lifts by crane the in-process unable efficient among the solution prior art, avoids taking place the problem that drops because of rocking.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lifting hook for tower crane, includes the lifting hook and sets up the connecting cylinder in the lifting hook upper end, the connecting cylinder is the sealed setting in both ends, the top of connecting cylinder is run through and has been seted up the connecting hole, the cooperation is connected with the spliced pole in the connecting hole, the upper portion and the lower part of spliced pole are provided with spacing board and lower limiting plate respectively, the lateral wall of connecting cylinder runs through and has been seted up the regulation hole, the cooperation is connected with spacing hook in the regulation hole, spacing hook is the right angle setting, the one end fixed connection of spacing hook is at the lateral wall of spliced pole, the cooperation is connected with U type limiting plate on the spacing hook, U type limiting plate swing.

Preferably, the upper limiting plate is located above the connecting hole, and the lower limiting plate is located below the connecting hole.

Preferably, a plurality of groups of springs are connected between the lower limiting plate and the bottom wall of the connecting cylinder.

Preferably, the side wall of the lifting hook is provided with an arc-shaped sliding groove in a penetrating manner, and the arc-shaped sliding groove is matched with the U-shaped limiting plate.

Preferably, the lower end of the U-shaped limiting plate is connected with a limiting rod in a penetrating mode, and the limiting rod is movably connected with the inner wall of the arc-shaped sliding groove.

Preferably, the top of the connecting column is provided with a tower crane connecting hole in a penetrating way.

The utility model discloses possess following beneficial effect at least:

(1) the utility model relates to a lifting hook for tower crane, through being provided with U type limiting plate, the gag lever post, the arc spout, the spliced pole, go up the limiting plate, lower limiting plate and spacing hook, hook the back with the rope through the lifting hook during use, with U type limiting plate and spacing hook joint, when rising, because the pulling force of tower crane, drive the spliced pole and upwards draw, make and carry on spacingly to U type limiting plate, and carry out spacing fixed to the rope, can effectually avoid the lifting hook at the during operation, and cause the rope to rock the problem that drops, the stability of device has been improved greatly.

(2) The utility model relates to a tower crane lifting hook through being provided with the spring, can stabilize the buffering spacing to the spliced pole during use, avoids causing spacing hook to damage because of the operating power to can have the upper and lower slip of allowable spliced pole to carry on spacingly, improved the stability of device.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the position A of the present invention;

fig. 3 is the utility model discloses well U type limiting plate structure schematic diagram.

In the reference symbols: 1. a hook; 11. an arc-shaped chute; 2. a connecting cylinder; 21. connecting holes; 22. an adjustment hole; 3. connecting columns; 31. a lower limiting plate; 32. an upper limiting plate; 33. connecting holes of a tower crane; 4. a spring; 5. a limiting hook; 6. a U-shaped limiting plate; 61. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a lifting hook for a tower crane comprises a lifting hook 1 and a connecting cylinder 2 arranged at the upper end of the lifting hook 1, wherein the connecting cylinder 2 is sealed at two ends, a connecting hole 21 is formed in the top of the connecting cylinder 2 in a penetrating manner, a connecting column 3 is connected in the connecting hole 21 in a matching manner, an upper limiting plate 32 and a lower limiting plate 31 are respectively arranged at the upper part and the lower part of the connecting column 3, an adjusting hole 22 is formed in the side wall of the connecting cylinder 2 in a penetrating manner, a limiting hook 5 is connected in the adjusting hole 22 in a matching manner, the limiting hook 5 is arranged at a right angle, one end of the limiting hook 5 is fixedly connected to the side wall of the connecting column 3, a U-shaped limiting plate 6 is connected on the limiting hook 5 in a matching manner, the U-shaped limiting plate 6 is movably connected to the lifting hook 1, the device can stably limit a rope in a pulling-, the safety performance of the device is greatly improved.

Wherein, go up the limiting plate 32 and be located the top of connecting hole 21, lower limiting plate 31 is located the below of connecting hole 21, and upper limiting plate 32 and lower limiting plate 31 through setting up for it is more stable to slide from top to bottom to spliced pole 3.

Wherein, be connected with multiunit spring 4 between the diapire of lower limiting plate 31 and connecting cylinder 2, through the spring 4 that sets up for can slide from top to bottom to spliced pole 3 and carry out certain buffer memory effort, can effectually protect spacing hook 5.

Wherein, the lateral wall of lifting hook 1 runs through and has seted up arc spout 11, and arc spout 11 and 6 phase-matchs of U type limiting plate are through the arc spout 11 that sets up for this lifting hook 1 can adjust spacingly according to the size of rope, improves the practicality of device greatly.

Wherein, the lower extreme through connection of U type limiting plate 6 has gag lever post 61, gag lever post 61 and 11 inner wall swing joint of arc spout for be convenient for stabilize the regulation to U type limiting plate 6 through the gag lever post 61 that sets up.

Wherein, the top of spliced pole 3 runs through and has seted up tower crane connecting hole 33, and the lifting hook 1 of being convenient for is connected with the tower crane.

Specifically, when the utility model is used, firstly, the tower crane is connected with the lifting hook 1 through the tower crane connecting hole 33, the lifting hook 1 is hooked on an object rope to be lifted, the U-shaped limiting plate 6 is adjusted to be clamped with the limiting hook 5, the lifting hook 1 is driven to stably ascend through the operation of the tower crane, the connecting column 3 is driven to move upwards due to the limitation of the lower limiting plate 31 to the connecting hole 21, the U-shaped limiting plate 6 is stably limited, the limiting rod 61 on the U-shaped limiting plate 6 is freely adjusted according to the size of the rope, the rope is limited, the problem that the rope falls due to shaking is avoided, after the use is finished, the U-shaped limiting plate 6 is separated from the limiting hook 5, and the rope is taken out, compared with the prior device, the utility model can effectively avoid the phenomenon that the lifting hook falls due to rope shaking, and greatly improves the stability of the device, until the whole working sequence is completed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lifting hook for a tower crane is characterized by comprising a lifting hook (1) and a connecting cylinder (2) arranged at the upper end of the lifting hook (1), the two ends of the connecting cylinder (2) are arranged in a sealing way, the top of the connecting cylinder (2) is provided with a connecting hole (21) in a penetrating way, the connecting hole (21) is internally matched and connected with a connecting column (3), the upper part and the lower part of the connecting column (3) are respectively provided with an upper limiting plate (32) and a lower limiting plate (31), an adjusting hole (22) is formed in the side wall of the connecting cylinder (2) in a penetrating manner, a limiting hook (5) is connected in the adjusting hole (22) in a matching manner, the limiting hook (5) is arranged in a right angle, one end of the limiting hook (5) is fixedly connected with the side wall of the connecting column (3), the limiting hook (5) is connected with a U-shaped limiting plate (6) in a matched mode, and the U-shaped limiting plate (6) is movably connected to the lifting hook (1).

2. A lifting hook for a tower crane according to claim 1, characterized in that: the upper limiting plate (32) is located above the connecting hole (21), and the lower limiting plate (31) is located below the connecting hole (21).

3. A tower crane hook as claimed in claim 2, wherein: a plurality of groups of springs (4) are connected between the lower limiting plate (31) and the bottom wall of the connecting cylinder (2).

4. A lifting hook for a tower crane according to claim 1, characterized in that: the lateral wall of lifting hook (1) runs through and has seted up arc spout (11), arc spout (11) and U type limiting plate (6) phase-match.

5. A tower crane hook as claimed in claim 4, wherein: the lower extreme through connection of U type limiting plate (6) has gag lever post (61), gag lever post (61) and arc spout (11) inner wall swing joint.

6. A lifting hook for a tower crane according to claim 1, characterized in that: and a tower crane connecting hole (33) is formed in the top of the connecting column (3) in a penetrating manner.