CN217947368U

CN217947368U - Anti-drop's hoist assembly

Info

Publication number: CN217947368U
Application number: CN202222560063.5U
Authority: CN
Inventors: 郭长宇; 梁宁; 吴传栋; 张东普; 王景辉
Original assignee: Henan Dafang Heavy Machinery Co Ltd
Current assignee: Henan Dafang Heavy Machinery Co Ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2022-12-02
Anticipated expiration: 2032-09-27

Abstract

The utility model provides an anti-drop crane sling assembly, which comprises a hoisting part connected with a hoisting mechanism, a hook part connected with a heavy object, and a transition part connected with the hoisting part and the hook part, wherein two sides of the hoisting part are respectively provided with connecting lugs which are respectively connected with a chain, and the lower ends of the chains are respectively connected with a sliding part; the transition portion comprises a cross beam; the sliding part is slidably mounted on the cross beam, first positioning holes are uniformly formed in the cross beam, positioning pieces are arranged on the sliding part corresponding to the first positioning holes, and the lower end of the sliding part is connected with the hook part respectively; the hook part comprises a hook part and an anti-falling part matched with the hook part. This anti-drop's hoist assembly can adjust the distance of two couple portions as required, and is more stable when lifting by crane the great article of volume.

Description

Anti-drop's hoist assembly

Technical Field

The utility model relates to a jack-up hoist, specific theory has related to an anti-drop's hoist assembly.

Background

The hoisting sling is an indispensable key component of the crane, one end of the hoisting sling is connected with a hoisting mechanism of the crane, the other end of the hoisting sling is connected with a heavy object to be moved, a hook structure is usually adopted for facilitating the connection of the heavy object, however, the hook usually comprises an opening, and the slipping risk exists in the process of lifting the heavy object. Chinese patent CN213202085U discloses a positioning lifting hook for electric block bridge crane, which is characterized in that the surface of the anti-slip slope groove on the surface of the hook claw is rough and the shape is curved by arranging the anti-slip slope groove and the damping spring, so that the phenomenon of slipping of the heavy object is avoided. Chinese patent CN205527332U discloses a lifting hook is taken off from locking-type antiskid to bearing for jack-up, take off blend arm and limit stop including lifting hook coupler body, arc wall, antiskid, lifting hook coupler body upper end is equipped with rings, and the arc wall has been seted up to lifting hook coupler body lower extreme portion of bending, is provided with the antiskid in the arc wall and takes off the blend arm, and the antiskid takes off the blend arm middle part and has seted up the pivot hole, wears to be equipped with the axis of rotation in the pivot hole, and the antiskid takes off blend arm one end and is equipped with the pressure head, and spring card groove has been seted up to the pressure head below, and spring card groove internal fixation has reset spring, and the antiskid takes off the blend arm other end and is equipped with the permanent magnetism spheroid, and the inboard welding of lifting hook coupler body upper end has limit stop, has seted up the arc breach on the limit stop.

The Chinese patent CN205527332U and the Chinese patent CN213202085U are both provided with lifting hooks independently, and the balance of lifting is difficult to ensure for heavy objects with large volume. Furthermore, the surface of the hook claw of CN213202085U is designed into a groove structure to form a rough anti-slip surface, which is easy to damage the hanging part of the heavy object after long-term use. In addition, chinese patent CN205527332U and chinese patent CN213202085U both have a stopper rod or an anti-slip stopper arm that is configured on the hook and is limited in one direction by magnetic force, so as to play a role in preventing slipping, and the stability of the one-way limiting structure by magnetic force is poor.

In order to solve the above problems, people are always seeking an ideal technical solution.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art to an anti-drop's hoist assembly.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is:

an anti-drop crane sling assembly comprises a hoisting part connected with a hoisting mechanism, a hook part connected with a heavy object, and a transition part connected with the hoisting part and the hook part, wherein connecting lugs are respectively arranged on two sides of the hoisting part, the connecting lugs are respectively connected with chains, and the lower ends of the chains are respectively connected with a sliding part; the transition portion comprises a cross beam; the sliding part is slidably mounted on the cross beam, first positioning holes are uniformly formed in the cross beam, positioning parts are arranged on the sliding part corresponding to the first positioning holes, and the lower end of the sliding part is connected with the hook part respectively; the hook part comprises a hook part and an anti-falling part matched with the hook part.

The sliding part comprises two sliding plates which are respectively positioned on the front side and the rear side of the cross beam, the upper ends of the sliding plates are connected through an upper connecting block, the lower ends of the sliding plates are connected through a lower connecting block, the upper connecting block and the lower connecting block are respectively connected with a first connecting ring, and the first connecting ring is used for connecting the lower end of a chain or the upper end of the hook part; the sliding plate is also provided with a first positioning hole and a positioning pin, and the positioning pin is connected with the sliding plate and the cross beam.

The upper end of the bent hook part is provided with a straight connecting part, the straight connecting part is rotatably connected with a second connecting ring, and the second connecting ring is connected with the first connecting ring.

The anti-disengaging part comprises an anti-disengaging rod, the anti-disengaging rod is bent to be in a reverse V shape, the bent part is hinged to the upper end of the hook part, a torsion spring is arranged on a hinged shaft, one of the support legs of the reverse V shape is located in the bent part of the hook part, the length of the support leg of the reverse V shape is larger than the opening width of the hook part, and the other support leg of the reverse V shape is attached to the side part of the hook part.

One of the support legs of the inverted V shape is a long support leg, the other support leg of the inverted V shape is a short support leg, the length of the long support leg is greater than that of the short support leg, and second positioning holes are respectively formed in the short support leg and the bent hook part; under the natural state, the long supporting leg is abutted to the hook part, and the short supporting leg is connected with the second positioning hole in the hook part through the positioning pin in an aligned mode.

And the two ends of the chain are also respectively provided with the hook parts which are used for connecting the connecting lugs with the sliding parts.

Compared with the prior art, the utility model has the beneficial effects that, the utility model provides an anti-drop's hoist assembly can adjust two hook portion's distance as required, and is more stable when lifting by crane the great article of volume. Particularly, the sliding part can be moved to a proper position as required so as to adjust the position of the hook part, then the positioning part is matched with the first positioning hole for positioning, and the distance between the two hook parts is correspondingly increased for an object with a large transverse length, so that the balance of the hoisting process is ensured. In addition, the hook is matched with the anti-falling rod, and the anti-falling rod is locked by the positioning pin and the hinged shaft, so that the stability of the structure is improved.

Drawings

Fig. 1 is a schematic structural view of the middle hook part of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

In the figure: 1. a hoisting part; 2. a chain; 3. a cross beam; 4. a first positioning hole; 5. a hook portion; 6. a sliding part; 7. an upper connecting block; 8. a lower connecting block; 9. a second connection ring; 10. a first connecting ring; 11. an anti-drop rod; 12. a hook part is bent.

Detailed Description

The technical solution of the present invention will be described in further detail through the following embodiments.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be 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. "mounted," "provided," "connected," and the like may be by means conventional in the art, such as: integral arrangement, clamping installation, welding connection, bonding connection, bolt connection and the like. The specific meaning of the above terms in the present invention can be understood in a specific case and suitable connection, arrangement or mounting means can be selected in the prior art for a person skilled in the art.

As shown in fig. 1-2, an anti-drop crane sling assembly comprises a hoisting part 1 for connecting with a hoisting mechanism, a hook part 5 for connecting with a heavy object, and a transition part for connecting the hoisting part 1 and the hook part 5, wherein two sides of the hoisting part 1 are respectively provided with a connecting lug, the connecting lugs are respectively connected with a chain 2, and the lower ends of the chains 2 are respectively connected with a sliding part 6; the transition portion comprises a cross beam 3; the sliding part 6 is slidably mounted on the cross beam 3, first positioning holes 4 are uniformly formed in the cross beam 3, positioning parts are arranged on the sliding part 6 corresponding to the first positioning holes 4, and the lower ends of the sliding part 6 are respectively connected with the hook parts 5; the hook part 5 comprises a hook part 12 and an anti-falling part matched with the hook part 12.

This anti-drop's hoist assembly can adjust the distance of two hook portions as required, and is more stable when hoisting the great article of volume. Particularly, the sliding part can be moved to a proper position as required so as to adjust the position of the hook part, then the positioning part is matched with the first positioning hole for positioning, and the distance between the two hook parts is correspondingly increased for an object with a large transverse length, so that the balance of the hoisting process is ensured.

Preferably, the sliding part 6 comprises two sliding plates, the two sliding plates are respectively positioned at the front side and the rear side of the cross beam 3, the upper ends of the sliding plates are connected through an upper connecting block 7, the lower ends of the sliding plates are connected through a lower connecting block 8, the upper connecting block 7 and the lower connecting block 8 are respectively connected with a first connecting ring 10, and the first connecting ring 10 is used for connecting the lower end of the chain 2 or the upper end of the hook part 5; the sliding plate is also provided with a first positioning hole 4 and a positioning pin, and the positioning pin is connected with the sliding plate and the cross beam 3.

Preferably, a straight connecting portion is disposed at an upper end of the bent portion 12, the straight connecting portion is rotatably connected to the second connection ring 9, and the second connection ring 9 is connected to the first connection ring 10.

Preferably, the anti-falling part comprises an anti-falling rod 11, the anti-falling rod 11 is bent to be an inverted V shape, a bent part is hinged to the upper end of the hook part 12, a torsion spring is arranged on a hinged shaft, one leg of the inverted V shape is located in the bent part of the hook part 12, the length of the leg is larger than the opening width of the hook part 12, and the other leg of the inverted V shape is attached to the side part of the hook part 12.

Preferably, one of the support legs of the inverted V-shape is a long support leg, the other support leg of the inverted V-shape is a short support leg, the length of the long support leg is greater than that of the short support leg, and the short support leg and the hook part 12 are respectively provided with a second positioning hole; in a natural state, the long leg is abutted against the hook part 12, and the short leg is connected with the second positioning hole on the hook part 12 through the positioning pin in alignment. In the hoisting process, the positioning pin is taken down firstly, the long support leg is pulled, the hook is connected with a hoisting point of a heavy object, then the positioning pin is installed and positioned through the positioning pin, the anti-falling rod is locked, and the stability of the structure is improved.

Preferably, the two ends of the chain 2 are also respectively provided with the hook parts 5 for connecting the connecting lug and the sliding part 6.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides an anti-drop's hoist and mount assembly, includes the hoist and mount portion that is used for being connected with hoisting mechanism, is used for connecting the hook portion of heavy object, is used for connecting hoist and mount portion with hook portion's transition portion, its characterized in that: connecting lugs are arranged on two sides of the hoisting part respectively and are connected with chains respectively, and the lower ends of the chains are connected with sliding parts respectively; the transition portion comprises a cross beam; the sliding part is slidably mounted on the cross beam, first positioning holes are uniformly formed in the cross beam, positioning parts are arranged on the sliding part corresponding to the first positioning holes, and the lower end of the sliding part is connected with the hook part respectively; the hook part comprises a hook part and an anti-falling part matched with the hook part.

2. An anti-drop crane spreader assembly according to claim 1, wherein: the sliding part comprises two sliding plates which are respectively positioned on the front side and the rear side of the cross beam, the upper ends of the sliding plates are connected through an upper connecting block, the lower ends of the sliding plates are connected through a lower connecting block, the upper connecting block and the lower connecting block are respectively connected with a first connecting ring, and the first connecting ring is used for connecting the lower end of a chain or the upper end of the hook part; the sliding plate is also provided with a first positioning hole and a positioning pin, and the positioning pin is connected with the sliding plate and the cross beam.

3. An anti-drop crane spreader assembly according to claim 2, wherein: the upper end of the bent hook part is provided with a straight connecting part, the straight connecting part is rotatably connected with a second connecting ring, and the second connecting ring is connected with the first connecting ring.

4. A drop resistant crane spreader assembly as claimed in claim 1 or claim 2, wherein: the anti-disengaging part comprises an anti-disengaging rod, the anti-disengaging rod is bent to be in a reverse V shape, the bent part is hinged to the upper end of the hook part, a torsion spring is arranged on a hinged shaft, one of the support legs of the reverse V shape is located in the bent part of the hook part, the length of the support leg of the reverse V shape is larger than the opening width of the hook part, and the other support leg of the reverse V shape is attached to the side part of the hook part.

5. An anti-drop crane spreader assembly according to claim 4, wherein: one of the support legs of the inverted V shape is a long support leg, the other support leg of the inverted V shape is a short support leg, the length of the long support leg is greater than that of the short support leg, and second positioning holes are respectively formed in the short support leg and the bent hook part; under the natural state, the long supporting leg is abutted against the hook part, and the short supporting leg is connected with the second positioning hole in the hook part through the positioning pin in an aligned mode.

6. A drop resistant crane spreader assembly as claimed in claim 1 or claim 2, wherein: and the two ends of the chain are also respectively provided with the hook parts which are used for connecting the connecting lugs with the sliding parts.