CN220618136U

CN220618136U - Novel hoist hook

Info

Publication number: CN220618136U
Application number: CN202321872950.4U
Authority: CN
Inventors: 魏臻
Original assignee: Shengzhou Shanying Lifting Tools Co ltd
Current assignee: Shengzhou Shanying Lifting Tools Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-03-19
Anticipated expiration: 2033-07-17

Abstract

The utility model provides a novel hoist lifting hook, which relates to the technical field of hoist lifting hooks, and mainly comprises a connecting block and a lifting hook, wherein a cross-shaped chain installation opening is formed in the top of the connecting block, a fixing bolt penetrating through the chain installation opening is arranged on the side surface of the connecting block, a retaining piece is arranged on the lifting hook, a thrust ball bearing capable of rotating the lifting hook and a universal joint for adjusting the position of the lifting hook are arranged between the connecting block and the lifting hook, and a horizontal shaft ring and a seat ring are arranged in the connecting block, so that balls clamped in the connecting block can completely and uniformly bear the pressure brought by the lifting hook while rotating, the abrasion between components is reduced, the operation is more stable and smooth, the position of the lifting hook can be better adjusted by adding the universal joint between a rotating shaft and the lifting hook, and the use is more convenient.

Description

Novel hoist hook

Technical Field

The utility model relates to the technical field of lifting hooks of lifting blocks, in particular to a novel lifting hook of a lifting block.

Background

The crane has wide application in various goods transportation and weight transfer, and the hoist lifting hook is an important part of the electric hoist crane or the chain hoist lifting machine, and a plurality of hoist lifting hooks exist in the market at present.

An electric hoist hook according to chinese patent publication No. CN 217921057U, in which a ring groove is formed between a hook mount and a shank, and balls are filled in the ring groove, so that the shank can rotate freely with respect to the hook mount.

However, since the shank is vertically inserted into the hook mounting seat, the balls are subjected to all pressure brought by the hook while rotating horizontally, the pressure between the two ring grooves on the balls can cause great abrasion to the balls and the ring grooves, and the overall structure is unstable.

The hook head is directly and fixedly connected to the hook handle, so that the hook head cannot freely move, and the practical use is inconvenient.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a novel hoist hook, which solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the novel hoist lifting hook comprises a connecting block and a lifting hook, wherein a cross-shaped chain installation opening is formed in the top of the connecting block, a fixed bolt penetrating through the chain installation opening is arranged on the side surface of the connecting block, and a backstop piece is arranged on the lifting hook; the lifting hook is characterized in that a thrust ball bearing capable of rotating the lifting hook and a universal joint for adjusting the position of the lifting hook are arranged between the connecting block and the lifting hook, the thrust ball bearing is arranged inside the connecting block, and the universal joint is connected between the thrust ball bearing and the lifting hook.

Preferably, the thrust ball bearing comprises a shaft collar, balls and a seat ring, wherein the seat ring is horizontally fixed on the connecting block, and the balls are clamped between the shaft collar and the seat ring.

Preferably, the center of the shaft collar extends downwards to form a rotating shaft, and the rotating shaft extends out of the lower surface of the connecting block.

Preferably, a sealing bolt is arranged on the side surface of the connecting block and extends to the shaft collar in the connecting block.

Preferably, the universal joint comprises an upper yoke, a lower yoke and a cross shaft, the upper and lower openings of the upper yoke and the lower yoke are opposite and vertical, and the cross shaft is respectively pivoted on the side edges of the upper yoke and the lower yoke.

Preferably, the lower end of the rotating shaft is fixedly connected with the upper surface of the upper joint fork.

Preferably, the shank of the lifting hook is fixedly connected to the lower surface of the lower yoke.

(III) beneficial effects

The utility model provides a novel lifting hook of a hoist. The beneficial effects are as follows:

1. this novel hoist hook through set up horizontal pedestal ring and seat circle in the connecting block, makes the centre gripping in the ball wherein can bear the pressure that the lifting hook brought completely evenly in the pivoted, has reduced wearing and tearing between the subassembly, also makes the operation more stable smooth and easy, adds the universal joint and also can adjust the lifting hook position better between pivot and the lifting hook, and it is more convenient to use.

Drawings

FIG. 1 is an overall isometric view of the present utility model;

figure 2 is a right side view in cross section of an isometric view of the present utility model.

In the figure: 1 connecting block, 11 chain installation port, 2 universal joint, 21 upper yoke, 22 lower yoke, 23 cross axle, 3 lifting hook, 31 stop piece, 4 dead bolt, 5 sealing bolt, 6 thrust ball bearing, 61 shaft collar, 62 ball, 63 seat ring, 64 pivot.

Detailed Description

The embodiment of the utility model provides a novel hoist lifting hook, which comprises a rectangular connecting block 1 positioned at the top end and a lifting hook 3 positioned at the bottom end, wherein a circular groove is downwards sunk at the center of the upper surface of the connecting block 1, a cross-shaped chain installation opening 11 is further formed at the center of the circular groove, a rectangular groove is inwards sunk on the side surface of the connecting block 1, and a fixing bolt 4 and a sealing bolt 5 are arranged on the fixing bolt.

The lifting hook 3 is provided with a retaining member 31, one end of the retaining member 31 is pivoted in the hook handle and is provided with a torsion spring, so that the default state of the retaining member 31, namely the attachment of the tail end of the lifting hook 3, is ensured, and the falling out of a weight hung and buckled in the lifting hook 3 in the transportation process is prevented.

The universal joint 2 is connected between the lifting hook 3 and the connecting block 1, the universal joint 2 comprises two upper yoke 21 and lower yoke 22 which are identical in shape and , and a cross shaft 23, the openings of the upper yoke 21 and the lower yoke 22 are opposite and vertical, and the four ends of the cross shaft 23 are pivoted on the inner side surfaces of the upper yoke 21 and the lower yoke 22.

The top end of the lifting hook 3 is fixedly connected to the center of the lower surface of the lower joint fork 22, and the lifting hook 3 can randomly adjust the front, back, left and right positions through the universal joint 2.

As shown in fig. 2, the fixing bolt 4 completely penetrates the chain installation opening 11 inwards and is connected to the other side, the fixing bolt 4 is connected with the connecting block 1 through threads, and when the chain is installed, the chain is only required to be placed in the chain installation opening 11, and then the fixing bolt 4 is screwed in to penetrate the chain hole to be fixed.

A cylindrical cavity is arranged below the chain mounting port 11, a ring-shaped seat ring 63 is formed on the lower surface, a ring of shaft rings 61 with the same size are arranged above the seat ring 63, and opposite arc-shaped annular grooves are formed between the shaft rings 61 and the seat ring 63 to clamp the balls 62 therein.

The center of the seat ring 63 is provided with a cylindrical through hole downwards, the center of the shaft ring 61 extends downwards to form a rotating shaft, the rotating shaft extends out of the connecting block 1 and is fixedly connected with the center of the upper surface of the upper yoke 21, the shaft ring 61 and the seat ring 63 rotate relatively under the action of the balls 62, and the free rotation of the lifting hook 3 relative to the connecting block 1 can be completed through the connection of the rotating shaft 64.

The sealing bolt 5 is connected with the connecting block 1 through threads, the bottom end of the opening of the sealing bolt is flush with the upper surface of the seat ring 63, the size of the sealing bolt is the same as that of the ball 62, the sealing bolt penetrates through the connecting block 1 to the positions of the shaft collar 61 and the seat ring 63 inwards, and the height of the shaft collar 61 is smaller than that of the cavity.

When needed, the sealing bolt 5 is only required to be unscrewed, the rotating shaft 64 is ejected inwards, the shaft collar 61 and the seat ring 63 are separated, the balls 62 are not clamped any more, the balls 62 can be taken out through the sealing bolt 5, the balls 62 are replaced, or the inside of the thrust ball bearing 6 is cleaned or oiled.

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

Claims

1. The novel hoist lifting hook comprises a connecting block (1) and a lifting hook (3), wherein a cross-shaped chain installation opening (11) is formed in the top of the connecting block (1), a fixing bolt (4) penetrating through the chain installation opening (11) is arranged on the side face of the connecting block (1), and a backstop piece (31) is arranged on the lifting hook (3); the method is characterized in that: the novel lifting hook is characterized in that a thrust ball bearing (6) capable of rotating the lifting hook (3) and a universal joint (2) for adjusting the position of the lifting hook (3) are arranged between the connecting block (1) and the lifting hook (3), the thrust ball bearing (6) is arranged inside the connecting block (1), and the universal joint (2) is connected between the thrust ball bearing (6) and the lifting hook (3).

2. A novel hoist hook as claimed in claim 1, wherein: the thrust ball bearing (6) comprises a shaft collar (61), balls (62) and a seat ring (63), wherein the seat ring (63) is horizontally fixed on the connecting block (1), and the balls (62) are clamped between the shaft collar (61) and the seat ring (63).

3. A novel hoist hook as claimed in claim 2, wherein: the center of the shaft collar (61) extends downwards to form a rotating shaft (64) which extends out of the lower surface of the connecting block (1).

4. A novel hoist hook as claimed in claim 2, wherein: the sealing bolt (5) is arranged on the side face of the connecting block (1), and the sealing bolt (5) extends into the connecting block (1) to the shaft collar (61).

5. A novel hoist hook as claimed in claim 1, wherein: the universal joint (2) comprises an upper yoke (21), a lower yoke (22) and a cross shaft (23), wherein upper openings of the upper yoke (21) and the lower yoke (22) are opposite and vertical, and the cross shaft (23) is respectively pivoted on the side edges of the upper yoke (21) and the lower yoke (22).

6. A novel hoist hook as claimed in claim 3, wherein: the lower end of the rotating shaft (64) is fixedly connected with the upper surface of the upper yoke (21).

7. A novel hoist hook as claimed in claim 1, wherein: the shank of the lifting hook (3) is fixedly connected to the lower surface of the lower joint fork (22).