CN213356680U

CN213356680U - Self-rotation-preventing lifting hook of crane

Info

Publication number: CN213356680U
Application number: CN202021536678.9U
Authority: CN
Inventors: 崔守乐
Original assignee: Hebei Shen Li Rigging Group Co ltd
Current assignee: Hebei Shen Li Rigging Group Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-06-04
Anticipated expiration: 2030-07-29

Abstract

The utility model belongs to the technical field of crane lifting hooks, in particular to a crane anti-self-rotation lifting hook, which comprises a lifting hook and a connecting disc, wherein a connecting rod is fixed on the lifting hook, two groups of clamping grooves are arranged at the outer side of the connecting rod, a limiting block is fixed at the top end of the connecting rod, a clamping ring is connected on the connecting rod in a threaded manner, a threaded hole is arranged at the central position of the clamping ring, the spacing between the limiting holes of each group is the same as that of the limiting bolts of each group, one end of each limiting bolt is arranged inside the limiting hole in a penetrating manner, a connecting ring is fixed at the top end of the connecting disc, when the angle of the lifting hook is adjusted to a corresponding angle by rotating the lifting hook connected on the connecting disc, the clamping ring is rotated and adjusted to be lifted to push the chuck to move upwards, and then the limiting bolt arranged on the chuck is moved to the, thereby avoiding the situation where the hook is spinning.

Description

Self-rotation-preventing lifting hook of crane

Technical Field

The utility model belongs to the technical field of the crane hook, especially, relate to a self-rotation-preventing hook of crane.

Background

The crane is a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects in a certain range, and mainly comprises a hoisting mechanism, a running mechanism, a luffing mechanism, a slewing mechanism, a metal structure and the like. The hoisting mechanism is the basic working mechanism of the crane and is mostly composed of a hanging mechanism and a winch.

The lifting hook is the most common lifting appliance in the hoisting machinery, the lifting hook is usually hung on a steel wire rope of a hoisting mechanism by means of a pulley block and other parts, the lifting hook is divided into a single hook and a double hook according to the shape, and the lifting hook used on a crane is the single hook.

The prior art has the following problems: in the hanging mechanism, the lifting hook is easy to rotate, and the angle cannot be limited.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a hoist prevents spin lifting hook.

In order to achieve the above object, the utility model provides a following technical scheme: a crane anti-self-rotation lifting hook comprises a lifting hook and a connecting disc, wherein a connecting rod is fixed on the lifting hook, two groups of clamping grooves are formed in the outer side of the connecting rod, a limiting block is fixed at the top end of the connecting rod, a clamping ring is connected to the connecting rod in a threaded manner, a threaded hole is formed in the center of the clamping ring, two groups of rotating rods are symmetrically fixed on the outer side of the clamping ring, a chuck is movably mounted on the connecting rod, two groups of clamping blocks are fixed on the inner side of a round hole formed in the center of the chuck, the clamping blocks are mounted inside the clamping grooves, a plurality of groups of limiting bolts are fixed on the upper surface of the chuck, a through hole is formed in the center of the connecting disc, the connecting disc is movably mounted on the connecting rod through the through hole, a plurality of groups, one end of the limiting bolt is arranged inside the limiting hole in a penetrating mode, and a connecting ring is fixed to the top end of the connecting disc.

As the utility model relates to a hoist spin-proof lifting hook is preferred, the snap ring passes through the screw hole with constitute elevation structure between the connecting rod, the snap ring with formula structure as an organic whole between the bull stick.

As the utility model relates to a hoist is prevented spin lifting hook preferred, the chuck with constitute sliding construction between the connecting rod, the outside dimension of fixture block with the inside dimension of draw-in groove is the same.

As the utility model relates to a hoist spin-proof lifting hook is preferred, the chuck with formula structure as an organic whole between the stop cock, angle settings such as stop cock are in on the chuck.

As the utility model relates to a hoist spin-proof lifting hook is preferred, the connection pad with constitute revolution mechanic between the connecting rod, the diameter of connecting rod with the aperture of through-hole is the same, the aperture of through-hole is less than the diameter of stopper.

As the utility model relates to a hoist spin-proof lifting hook is preferred, the equidistance has been seted up on the connection pad spacing hole, the aperture in spacing hole with the diameter of spacing bolt is the same, spacing bolt with constitute the block structure between the spacing hole.

Compared with the prior art, the beneficial effects of the utility model are that: when hanging the object on the lifting hook cooperation hoist, through the lifting hook of connecting on the rotatory connection pad, when making lifting hook angle modulation to the angle that corresponds, at the rotation regulation snap ring, make the snap ring rise and then promote chuck rebound, and then make the spacing bolt that sets up on the chuck remove the inside in spacing hole to make the lifting hook with the help of chuck and spacing bolt and connection pad between the angle inject, thereby avoid appearing the self-rotating condition of lifting hook.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the limited lifting hook of the present invention;

fig. 3 is a schematic diagram of the explosion structure of the present invention.

In the figure: 1. a hook; 2. a connecting rod; 3. a card slot; 4. a limiting block; 5. a snap ring; 6. a threaded hole; 7. a rotating rod; 8. a chuck; 9. a clamping block; 10. a limit bolt; 11. a connecting disc; 12. a through hole; 13. a limiting hole; 14. and (7) connecting rings.

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.

Referring to fig. 1-3, the present invention provides the following technical solutions: a crane anti-self-rotation lifting hook comprises a lifting hook 1 and a connecting disc 11, wherein a connecting rod 2 is fixed on the lifting hook 1, two groups of clamping grooves 3 are formed in the outer side of the connecting rod 2, a limiting block 4 is fixed at the top end of the connecting rod 2, a clamping ring 5 is in threaded connection with the connecting rod 2, a threaded hole 6 is formed in the center of the clamping ring 5, two groups of rotating rods 7 are symmetrically fixed on the outer side of the clamping ring 5, a chuck 8 is movably mounted on the connecting rod 2, two groups of clamping blocks 9 are fixed on the inner side of a round hole formed in the center of the chuck 8, the clamping blocks 9 are mounted inside the clamping grooves 3, a plurality of groups of limiting bolts 10 are fixed on the upper surface of the chuck 8, a through hole 12 is formed in the center of the connecting disc 11, the connecting disc 11 is movably mounted on the connecting rod 2 through the through hole 12, a plurality of groups of limiting holes, a connecting ring 14 is fixed on the top end of the connecting disc 11.

In this embodiment: when hanging the object on the 1 cooperation hoist of lifting hook, through the lifting hook 1 of connecting on the rotatory connection pad 11, when making 1 angular adjustment of lifting hook to the angle that corresponds, at rotatory regulation snap ring 5, make snap ring 5 rise and then promote chuck 8 rebound, and then make the spacing bolt 10 that sets up on the chuck 8 remove the inside in spacing hole 13 to make lifting hook 1 inject with the help of the angle between chuck 8 and spacing bolt 10 and the connection pad 11, thereby avoid appearing the self-rotating condition of lifting hook 1.

As the utility model relates to a hoist spin-proof lifting hook is preferred, and snap ring 5 constitutes elevation structure through between screw hole 6 and the connecting rod 2, and formula structure as an organic whole between snap ring 5 and the bull stick 7 is rotatory with the help of 7 control bull sticks snap ring 5, makes snap ring 5 remove on connecting rod 2 through screw hole 6, and then makes snap ring 5 remove on connecting rod 2.

As the utility model relates to a hoist is prevented spin lifting hook preferred, constitutes sliding construction between chuck 8 and the connecting rod 2, and the external dimension of fixture block 9 is the same with the internal dimension of draw-in groove 3, installs in the inside of draw-in groove 3 through the fixture block 9 that sets up on chuck 8, makes chuck 8 only can be perpendicular linear position on connecting rod 2.

As the utility model relates to a hoist is prevented spin lifting hook preferred, formula structure as an organic whole between chuck 8 and the spacing bolt 10, angle settings such as spacing bolt 10 are connected through spacing bolt 10 and spacing hole 13 that set up on chuck 8, and then connect through spacing bolt 10 and connection pad 11 and prescribe a limit to.

As the utility model relates to a hoist is prevented spin lifting hook preferred, constitutes revolution mechanic between connection pad 11 and the connecting rod 2, and the diameter of connecting rod 2 is the same with the aperture of through-hole 12, and the aperture of through-hole 12 is less than stopper 4's diameter, and through the through-hole 12 of seting up on connection pad 11 rotatory on connecting rod 2, changes the angle between connection pad 11 and the lifting hook 1 to with the help of stopper 4, make connection pad 11 can not follow connecting rod 2 and separate out.

As the utility model relates to a hoist is prevented spin lifting hook preferred, and spacing hole 13 has been seted up to the equal angle on the connection pad 11, and the aperture of spacing hole 13 is the same with the diameter of spacing bolt 10, constitutes block structure between spacing bolt 10 and the spacing hole 13, runs through the inside of installing spacing hole 13 through the one end with spacing bolt 10, makes the angle relatively injectd between connection pad 11 and the chuck 8.

The utility model discloses a theory of operation and use flow: before the article is hung by the hook 1, the connecting disc 11 can rotate on the connecting rod 2 through the through hole 12, so that the angle between the hook 1 and the connecting ring 14 is changed, when the hook 1 is adjusted to a proper angle, the clamping ring 5 is controlled to rotate by the rotating rod 7, the clamping ring 5 moves on the connecting rod 2 through the threaded hole 6, so that the clamping ring 5 moves on the connecting rod 2, the clamping ring 5 pushes the chuck 8 to slide on the connecting rod 2, the chuck 8 is installed in the clamping groove 3 through the clamping block 9 arranged on the chuck 8, so that the chuck 8 can only make a vertical straight line position on the connecting rod 2, a plurality of groups of limiting bolts 10 arranged on the chuck 8 are moved into corresponding limiting holes 13, further, the angle between the hook 1 and the connecting disc 11 is limited by the chuck 8, the clamping block 9 and the limiting bolts 10, and when the hook 1 is matched with a crane to hang and hang the article, the hook 1 does not spin.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a hoist prevents spin lifting hook, includes lifting hook (1) and connection pad (11), its characterized in that: the lifting hook is characterized in that a connecting rod (2) is fixed on the lifting hook (1), two groups of clamping grooves (3) are formed in the outer side of the connecting rod (2), a limiting block (4) is fixed at the top end of the connecting rod (2), a clamping ring (5) is connected to the connecting rod (2) in a threaded manner, a threaded hole (6) is formed in the central position of the clamping ring (5), two groups of rotating rods (7) are symmetrically fixed on the outer side of the clamping ring (5), a chuck (8) is movably mounted on the connecting rod (2), two groups of clamping blocks (9) are fixed on the inner side of a round hole formed in the center of the chuck (8), the clamping blocks (9) are mounted inside the clamping grooves (3), a plurality of groups of limiting bolts (10) are fixed on the upper surface of the chuck (8), a through hole (12) is formed in the central position of the connecting disc (11), and the, the connecting plate is characterized in that a plurality of groups of limiting holes (13) are formed in the connecting plate (11), the distance between every two groups of limiting holes (13) is the same as that of every two groups of limiting bolts (10), one end of each limiting bolt (10) is arranged inside the corresponding limiting hole (13) in a penetrating mode, and a connecting ring (14) is fixed to the top end of the connecting plate (11).

2. The crane anti-spin hook according to claim 1, wherein: the clamping ring (5) passes through the threaded hole (6) and the lifting structure is formed between the connecting rods (2), and the clamping ring (5) and the rotating rods (7) are of an integrated structure.

3. The crane anti-spin hook according to claim 1, wherein: the clamping device is characterized in that the clamping disc (8) and the connecting rod (2) form a sliding structure, and the outer size of the clamping block (9) is the same as the inner size of the clamping groove (3).

4. The crane anti-spin hook according to claim 1, wherein: chuck (8) with formula structure as an organic whole between spacing bolt (10), angle settings such as spacing bolt (10) are in on chuck (8).

5. The crane anti-spin hook according to claim 1, wherein: the connecting disc (11) and constitute revolution mechanic between the connecting rod (2), the diameter of connecting rod (2) with the aperture of through-hole (12) is the same, the aperture of through-hole (12) is less than the diameter of stopper (4).

6. The crane anti-spin hook according to claim 1, wherein: the limiting hole (13) is formed in the connecting disc (11) at an equal angle, the diameter of the limiting hole (13) is the same as that of the limiting bolt (10), and a clamping structure is formed between the limiting bolt (10) and the limiting hole (13).