CN214087327U

CN214087327U - Tower crane hook

Info

Publication number: CN214087327U
Application number: CN202023132893.5U
Authority: CN
Inventors: 张景永
Original assignee: Jinan Hengqi Construction Machinery Co Ltd
Current assignee: Jinan Hengqi Construction Machinery Co Ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-08-31
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a tower crane lifting hook, including the lifting hook body, the surface on lifting hook body top is provided with the mounting box, one side fixedly connected with drive box of mounting box, the inside wall one end of drive box is rotated and is connected with the pivot, the outer fixed surface cover of pivot has connect the worm sleeve, the lateral wall of drive box is close to the equal fixedly connected with bracing piece in both sides of pivot, two the one end that the lateral wall was kept away from in the drive box to the bracing piece is rotated jointly and is connected with the back shaft, the outer fixed surface cover of back shaft has connect worm wheel and baffle, the opening has been seted up jointly to the lateral wall and the diapire of drive box. The utility model discloses in, possess certain buffering space, can provide the buffering protection, reduce external oppression power and vibrations power, make article remain stable, can swiftly adjusting the baffle, provide the check and keep off the protection, prevent that article from accidentally unhooking in the air, cause the incident.

Description

Tower crane hook

Technical Field

The utility model relates to a crane accessory technical field especially relates to a tower crane lifting hook.

Background

The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, also called a crown block, a crane and a crane, and is divided into various types of cranes, wherein the tower crane consists of a metal structure, a working mechanism and an electrical system, and is mainly used for vertically and horizontally conveying materials and installing building components in building construction;

tower crane lifting hook bears the carrier of article as the transportation, play crucial effect in the lift function, the most structure of current lifting hook is comparatively simple, the functionality is comparatively single, lack the buffering protection, certain oppression power and vibrations power that hoist sudden rising and falling or can produce at aerial switching direction, lead to article atress to damage easily, influence follow-up operation and cause certain loss, do not separate the shelves simultaneously, when carrying out direction conversion and rapid transit, because article do not support and rock easily and cause the unhook, there is certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a tower crane hook.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a tower crane hook comprises a hook body, wherein the outer surface of the top end of the hook body is provided with a mounting box, one side of the mounting box is fixedly connected with a driving box, one end of the inner side wall of the driving box is rotatably connected with a rotating shaft, the outer surface of the rotating shaft is fixedly sleeved with a worm sleeve, two sides of the side wall of the driving box, which are close to the rotating shaft, are fixedly connected with supporting rods, one ends of the two supporting rods, which are far away from the inner side wall of the driving box, are jointly and rotatably connected with a supporting shaft, the outer surface of the supporting shaft is fixedly sleeved with a worm wheel and a baffle, the side wall and the bottom wall of the driving box are jointly provided with an opening, one end of the baffle, which is far away from the worm wheel, penetrates through the opening and extends downwards to the upper part of the hook body, a first buffer plate is arranged above the hook body, a second buffer plate is arranged below the hook body, two sides inside the hook body are both provided with buffer cavities, and the inner bottom walls of the two buffer cavities are both fixedly connected with buffer springs, the equal fixedly connected with dead lever in lower surface both sides of first buffer board, the bottom of dead lever all runs through the cushion chamber and extends to inside and fixedly connected with connecting plate, two the connecting plate respectively with two buffer spring fixed connection.

As a further description of the above technical solution:

the mounting box upper surface is provided with the installation piece.

As a further description of the above technical solution:

fixedly connected with link between the both sides inner wall of mounting box, the top of lifting hook body runs through the link and upwards extends and fixedly connected with stopper.

As a further description of the above technical solution:

one end of the rotating shaft, which is far away from the driving box, penetrates through the side wall of the driving box and extends to the outside and is fixedly connected with a knob.

As a further description of the above technical solution:

the worm wheel is located inside the baffle, and the worm wheel is connected with the worm sleeve in a meshed mode.

As a further description of the above technical solution:

first buffer board and second buffer board are the rubber material, and the lower fixed surface of first buffer board is connected with the connecting axle, the bottom of connecting axle runs through lifting hook body downwardly extending and second buffer board fixed connection.

The utility model discloses following beneficial effect has:

1. this tower crane lifting hook through first buffer board, second buffer board, cushion chamber, connecting axle, dead lever, connecting plate and buffer spring who sets up, possesses certain buffering space, when the hoist rises and falls rapidly or turns to fast, can provide certain buffering protection, prevents that article from receiving outside compressive force and shaking force and too big causing the damage, and the increase friction makes article can keep certain stability.

2. This tower crane lifting hook through baffle, drive box, pivot, worm sleeve, worm wheel, back shaft and the bracing piece that sets up, can be at the position of the swift adjusting the baffle of the in-process of fixed article, and article are fixed the back, and are closed with baffle and lifting hook body one end, provide certain protection, prevent that article from causing the incident unhook because of sliding in the air.

Drawings

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

fig. 2 is a sectional view of the drive cassette of the present invention;

fig. 3 is an enlarged view of a of the present invention.

Illustration of the drawings:

1. a hook body; 2. a limiting block; 3. mounting a box; 4. a connecting frame; 5. mounting blocks; 6. a drive cartridge; 7. a baffle plate; 8. a knob; 9. a rotating shaft; 10. a worm sleeve; 11. a support bar; 12. a worm gear; 13. an opening; 14. a support shaft; 15. a first buffer plate; 16. a second buffer plate; 17. a connecting shaft; 18. fixing the rod; 19. a connecting plate; 20. a buffer chamber; 21. a buffer spring.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a tower crane hook comprises a hook body 1, a mounting box 3 is arranged on the outer surface of the top end of the hook body 1, a driving box 6 is fixedly connected to one side of the mounting box 3, one end of the inner side wall of the driving box 6 is rotatably connected with a rotating shaft 9, a worm sleeve 10 is fixedly sleeved on the outer surface of the rotating shaft 9, supporting rods 11 are fixedly connected to both sides of the side wall of the driving box 6 close to the rotating shaft 9, one ends of the two supporting rods 11 far away from the inner side wall of the driving box 6 are rotatably connected with a supporting shaft 14 together, a worm wheel 12 and a baffle 7 are fixedly sleeved on the outer surface of the supporting shaft 14, an opening 13 is formed in the side wall and the bottom wall of the driving box 6 together, one end of the baffle 7 far away from the worm wheel 12 penetrates through the opening 13 and extends downwards to the upper part of the hook body 1, a first buffer plate 15 is arranged above the hook body 1, a second buffer plate 16 is arranged below the hook body 1, and buffer cavities 20 are formed in both sides inside the hook body 1, the equal fixedly connected with buffer spring 21 of the interior diapire of two cushion chambers 20, the equal fixedly connected with dead lever 18 in lower surface both sides of first buffer board 15, the bottom of dead lever 18 all runs through cushion chamber 20 and extends to inside and fixedly connected with connecting plate 19, two connecting plates 19 respectively with two buffer spring 21 fixed connection.

The mounting block 5 is arranged on the upper surface of the mounting box 3, and can be conveniently mounted with a crane; the connecting frames 4 are fixedly connected between the inner walls of the two sides of the mounting box 3, the top end of the lifting hook body 1 penetrates through the connecting frames 4 to extend upwards and is fixedly connected with the limiting block 2, so that the lifting hook body 1 can rotate and can be kept stable with the mounting box 3, and the lifting hook is not easy to fall off; one end of the rotating shaft 9, which is far away from the driving box 6, penetrates through the side wall of the driving box 6 and extends to the outside, and is fixedly connected with a knob 8, so that the position of the baffle 7 can be conveniently and manually adjusted, and the adjustment is convenient and accurate; the worm wheel 12 is positioned in the baffle 7, so that the worm wheel 12 can rotate, the worm wheel 12 is meshed with the worm sleeve 10, and the worm wheel 12 is driven to rotate by the rotation of the worm sleeve 10 to adjust the position of the baffle 7; first buffer board 15 and second buffer board 16 are the rubber material, can cushion antiskid, and the lower fixed surface of first buffer board 15 is connected with connecting

axle

17, and 1 downwardly extending of lifting hook body and 16 fixed connection of second buffer board are run through to the bottom of connecting axle 17, provide certain buffering space, effectively protect article, reduce the loss.

The working principle is as follows: when the tower crane hook is used, the hook body 1 is installed with the crane through the installation box 3 and the installation block 5, after the installation is finished, the knob 8 is twisted to rotate the rotating shaft 9 and the worm sleeve 10, the worm wheel 12, the supporting shaft 14 and the baffle 7 are driven to rotate, the baffle 7 is adjusted to be in a horizontal position, the article is connected with the lifting hook body 1 through a rope, after the fixation is finished, the knob 8 is reversely twisted, so that the worm sleeve 10 reversely rotates to drive the worm wheel 12 and the baffle 7 to rotate, the baffle 7 is adjusted to be closed with one end of the hook body 1 in the vertical direction to provide protection, in the transportation process, when the crane rises and falls rapidly or turns rapidly, the first buffer plate 15 is descended by external force, the connecting shaft 17 is descended, meanwhile, the fixing rod 18 descends to drive the connecting plate 19 to descend and compress the buffer spring 21, so that certain buffer is provided, and the generated impact force is reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a tower crane lifting hook, includes lifting hook body (1), its characterized in that: the outer surface of the top end of the lifting hook body (1) is provided with a mounting box (3), one side of the mounting box (3) is fixedly connected with a driving box (6), one end of the inner side wall of the driving box (6) is rotatably connected with a rotating shaft (9), a worm sleeve (10) is fixedly sleeved on the outer surface of the rotating shaft (9), two sides, close to the rotating shaft (9), of the side wall of the driving box (6) are fixedly connected with supporting rods (11), one ends, far away from the inner side wall of the driving box (6), of the two supporting rods (11) are rotatably connected with a supporting shaft (14) together, a worm wheel (12) and a baffle (7) are fixedly sleeved on the outer surface of the supporting shaft (14), the side wall and the bottom wall of the driving box (6) are provided with openings (13) together, one end, far away from the worm wheel (12), of the baffle (7) penetrates through the openings (13) and extends downwards to the top of the lifting hook body (1), lifting hook body (1) top is provided with first buffer board (15) and below is provided with second buffer board (16), cushion chamber (20), two have all been seted up to lifting hook body (1) inside both sides the equal fixedly connected with buffer spring (21) of inner diapire of cushion chamber (20), the equal fixedly connected with dead lever (18) in lower surface both sides of first buffer board (15), the bottom of dead lever (18) all runs through cushion chamber (20) and extends to inside and fixedly connected with connecting plate (19), two connecting plate (19) respectively with two buffer spring (21) fixed connection.

2. A tower crane hook according to claim 1, wherein: and the upper surface of the mounting box (3) is provided with a mounting block (5).

3. A tower crane hook according to claim 1, wherein: fixedly connected with link (4) between the both sides inner wall of mounting box (3), the top of lifting hook body (1) runs through link (4) and upwards extends and fixedly connected with stopper (2).

4. A tower crane hook according to claim 1, wherein: one end of the rotating shaft (9), which is far away from the driving box (6), penetrates through the side wall of the driving box (6) and extends to the outside and is fixedly connected with a knob (8).

5. A tower crane hook according to claim 1, wherein: the worm wheel (12) is positioned inside the baffle (7), and the worm wheel (12) is meshed with the worm sleeve (10).

6. A tower crane hook according to claim 1, wherein: first buffer board (15) and second buffer board (16) are the rubber material, and the lower fixed surface of first buffer board (15) is connected with connecting axle (17), lifting hook body (1) downwardly extending and second buffer board (16) fixed connection are run through to the bottom of connecting axle (17).