CN220245272U

CN220245272U - Four-leg hanging chain for compound hanging hook

Info

Publication number: CN220245272U
Application number: CN202321805567.7U
Authority: CN
Inventors: 张玉录
Original assignee: Jiangsu Zhongtai Rigging Co ltd
Current assignee: Jiangsu Zhongtai Rigging Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2023-12-26
Anticipated expiration: 2033-07-11

Abstract

The utility model discloses a four-leg hanging chain for a duplex lifting hook, which belongs to the technical field of hanging chains and comprises a first hanging ring, wherein a rigging is arranged at the bottom end of the first hanging ring, four groups of hanging holes are formed in the bottom end surface of the rigging, a second hanging ring is movably connected in each group of hanging holes, a steel wire rope is movably connected at the bottom end of the second hanging ring, the steel wire rope is movably connected with the lifting hook through a rotating assembly arranged at the bottom end of the steel wire rope, a first rotating bracket is fixedly arranged on the side wall of the top end of the lifting hook, and a self-locking buckle is rotatably connected with the first rotating bracket; the self-locking buckle is positioned by the positioning mechanism to prevent the self-locking buckle from rotating under the influence of other external forces when the self-locking buckle is self-locked, and the self-locking buckle is contacted with the buffer cushion to avoid directly extruding the inner wall of the lifting hook to cause abrasion and indentation of the lifting hook.

Description

Four-leg hanging chain for compound hanging hook

Technical Field

The utility model relates to the technical field of hanging chains, in particular to a four-leg hanging chain for a compound hanging hook.

Background

The lifting appliance refers to a device for lifting a weight in a lifting machine. The most commonly used slings for lifting articles are hooks and slings, and others are slings, lifting chucks, clamps, forks and the like. The four-leg hanging chain for the double-type lifting hook is widely applied to the lifting industry, the lifting appliance refers to a device for lifting a heavy object in lifting machinery, the device is widely applied to the lifting industry, the hanging chain is one of special rigging commonly used in the lifting appliance, a rotatable self-locking buckle for self locking is commonly arranged on the lifting hook, and when the lifting hook is required to be self-locked, the self-locking buckle rotates to be abutted against the inner wall of the lifting hook, so that the self locking of the lifting hook is realized.

When the existing four-leg hanging chain for the compound lifting hook is self-locked, the self-locking buckle contacts and abuts against the inner wall of the lifting hook to generate extrusion force on the lifting hook, the extrusion force can cause indentation on the inner wall of the lifting hook, and in addition, the self-locking buckle can easily rotate due to the fact that the self-locking buckle is not positioned during self locking, so that the self-locking function can be invalid.

Accordingly, one skilled in the art would provide a four-legged chain for a multiple hanger to address the problems set forth in the background above.

Disclosure of Invention

The present utility model aims to provide a four-leg sling chain for a compound hook, which solves the above-mentioned drawbacks of the prior art.

In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:

the utility model provides a four-leg sling chain for a compound lifting hook, which comprises a first lifting ring, wherein a rigging is arranged at the bottom end of the first lifting ring, four groups of lifting holes are formed in the bottom end surface of the rigging, a second lifting ring is movably connected in each group of lifting holes, a steel wire rope is movably connected at the bottom end of the second lifting ring, and the steel wire rope is movably connected with the lifting hook through a rotating assembly arranged at the bottom end of the steel wire rope;

the lifting hook comprises a lifting hook body and is characterized in that a first rotating support is fixedly arranged on the side wall of the top end of the lifting hook, the first rotating support is connected with a self-locking buckle in a rotating mode, a buffer cushion is arranged on one side of the inner wall of the lifting hook in a fitting mode, an installation cavity is formed in the middle of the buffer cushion, a second rotating support is fixedly arranged in the installation cavity, a fixing rod is connected with the second rotating support in a rotating mode, and a fixing block is arranged on one side of the bottom end of the fixing rod.

Preferably, a rubber pad is movably arranged on the other side of the inner wall of the lifting hook, and the outer wall of the rubber pad is matched with the inner wall of the lifting hook.

Preferably, the rotating assembly comprises a rotating seat arranged at the bottom end of the steel wire rope, a rotating block is arranged in the rotating seat in a rotating mode, and the bottom end of the rotating block is connected with the lifting hook.

Preferably, the hole wall of each group of hanging holes is annularly provided with a plurality of groups of positioning springs, and each group of positioning springs is elastically connected with a positioning block matched with the second hanging ring.

Preferably, the outer wall of the first lifting ring is provided with a coating layer, and the coating layer is made of wear-resistant materials.

Preferably, the top of the first lifting ring is provided with a mounting block, and mounting bolts are symmetrically and movably mounted on two sides of the mounting block.

Compared with the prior art, the above technical scheme has the following beneficial effects:

the utility model provides a four-leg hanging chain for a duplex lifting hook, wherein a buffer cushion is arranged at a position, corresponding to the contact position of a self-locking buckle, of the inner wall of the lifting hook, a positioning mechanism for contacting and positioning the self-locking buckle is arranged at the middle position of the buffer cushion, when the self-locking buckle is self-locked, the self-locking buckle is positioned through the positioning mechanism to prevent the self-locking buckle from being influenced by other external forces to rotate, in addition, the self-locking buckle is contacted with the buffer cushion to avoid the direct extrusion of the inner wall of the lifting hook, so that the abrasion and indentation of the lifting hook are avoided, and the normal self-locking work and the use safety of the lifting hook are further ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic view of the hook structure of the present utility model;

FIG. 3 is a schematic view of the construction of the inner wall portion of the hook of the present utility model;

FIG. 4 is a schematic view of the self-locking buckle of the present utility model;

fig. 5 is an enlarged schematic view of fig. 1 at a in accordance with the present utility model.

In the figure:

1. a first hanging ring; 2. a rigging; 3. a hanging hole; 4. the second hanging ring; 5. a wire rope; 6. a lifting hook; 7. a first rotating bracket; 8. self-locking; 9. a cushion pad; 10. a mounting cavity; 11. a second rotating bracket; 12. a fixed rod; 13. a fixed block; 14. a rubber pad; 15. a rotating seat; 16. a rotating block; 17. a positioning spring; 18. a positioning block; 19. a coating layer; 20. a mounting block; 21. and (5) installing a bolt.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

As shown in fig. 1-5 of the accompanying drawings of the specification, the utility model provides a four-leg sling chain for a duplex lifting hook, which comprises a first lifting ring 1, wherein the bottom end of the first lifting ring 1 is provided with a sling 2, the bottom end surface of the sling 2 is provided with four groups of lifting holes 3, the inside of each group of lifting holes 3 is movably connected with a second lifting ring 4, the bottom end of each second lifting ring 4 is movably connected with a steel wire rope 5, the steel wire rope 5 is movably connected with a lifting hook 6 through a rotating assembly arranged at the bottom end of the steel wire rope 5, as shown in fig. 1, the corresponding required lifting objects are respectively butted through the lifting hooks 6 of each group, then the first lifting ring 1 is butted with lifting equipment, the lifting equipment drives the first lifting ring 1, and drives the second lifting ring 4 and the lifting objects to lift under the traction effect of the steel wire rope 5;

as shown in fig. 2, in this embodiment, a first rotating bracket 7 is fixedly disposed on a top side wall of a lifting hook 6, a self-locking buckle 8 is rotationally connected to the first rotating bracket 7, a cushion pad 9 is disposed on one side of an inner wall of the lifting hook 6, an installation cavity 10 is disposed in the middle of the cushion pad 9, a second rotating bracket 11 is fixedly disposed in the installation cavity 10, a fixing rod 12 is rotationally connected to the second rotating bracket 11, a fixing block 13 is disposed on one side of a bottom end of the fixing rod 12, the fixing rod 12 passes through the fixing block 13 connected with the self-locking buckle 8 and abuts against the self-locking buckle 8 to achieve locking fixation of the self-locking buckle 8, as shown in fig. 2, fig. 3 and fig. 4, in this embodiment, a cushion pad 9 is disposed at a position where the inner wall of the lifting hook 6 contacts with the self-locking buckle 8, and a positioning mechanism for positioning the self-locking buckle 8 is disposed at a middle position of the cushion pad 9, and when the self-locking buckle 8 is self-locked, the self-locking buckle 8 is prevented from being affected by other external forces, the self-locking buckle 8 is additionally contacted with the cushion pad 9 to avoid direct extrusion of the inner wall of the lifting hook 6, wear and indentation of the lifting hook 6 is further guaranteed, and the safety of the lifting hook 6 is ensured.

As shown in fig. 2, in this embodiment, a rubber pad 14 is movably disposed on the other side of the inner wall of the hook 6, the outer wall of the rubber pad 14 is matched with the inner wall of the hook 6, and the rubber pad 14 can prevent the surface of a lifted object from being worn due to the fact that the lifted object contacts with the hook 6 for too long time.

As shown in fig. 2, in this embodiment, the rotating assembly includes a rotating seat 15 disposed at the bottom end of the steel wire rope 5, a rotating block 16 is rotatably disposed in the rotating seat 15, and the bottom end of the rotating block 16 is connected with the hook 6.

As a preferred scheme of the utility model, in order to improve the wear resistance inside the hanging hole 3, as shown in fig. 5, preferably, the hole wall of each group of hanging holes 3 is annularly provided with a plurality of groups of positioning springs 17, each group of positioning springs 17 is elastically connected with a positioning block 18 matched with the second hanging ring 4, and the second hanging ring 4 is prevented from contacting with the hanging hole 3 by contacting the positioning block 18 with the positioning spring 17 and the second hanging ring 4, so that the second hanging ring 4 is worn in contact.

As a preferred solution of the present utility model, in order to improve the wear resistance of the first suspension ring 1 during operation, it is preferred that the outer wall of the first suspension ring 1 is provided with a coating layer 19, as shown in fig. 1, the coating layer 19 being made of a wear resistant material.

Specifically, as shown in fig. 1, a mounting block 20 is arranged at the top end of the first lifting ring 1, mounting bolts 21 are symmetrically and movably mounted on two sides of the mounting block 20, and the mounting bolts 21 are sequentially driven into mounting holes to realize the fixed mounting of the whole device on a station.

The foregoing is only illustrative of the preferred embodiments of the present utility model, and is not intended to be exhaustive or to be construed as limiting the utility model to the precise forms disclosed. It should be understood that the above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, and that the utility model is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the utility model.

Claims

1. The utility model provides a four leg hoist chain for duplex lifting hook, includes first rings (1), its characterized in that, the bottom of first rings (1) is provided with rigging (2), four sets of hanging hole (3) have been seted up to the bottom surface of rigging (2), every group the inside swing joint of hanging hole (3) has second rings (4), the bottom swing joint of second rings (4) has wire rope (5), wire rope (5) have lifting hook (6) through the rotation subassembly swing joint that its bottom set up;

the lifting hook is characterized in that a first rotating support (7) is fixedly arranged on the side wall of the top end of the lifting hook (6), the first rotating support (7) is rotationally connected with a self-locking buckle (8), a buffer pad (9) is attached to one side of the inner wall of the lifting hook (6), an installation cavity (10) is formed in the middle of the buffer pad (9), a second rotating support (11) is fixedly arranged in the installation cavity (10), a fixing rod (12) is rotationally connected to the second rotating support (11), and a fixing block (13) is arranged on one side of the bottom end of the fixing rod (12).

2. A four-leg link for a multiple hanger as claimed in claim 1 wherein: a rubber pad (14) is movably arranged on the other side of the inner wall of the lifting hook (6), and the outer wall of the rubber pad (14) is matched with the inner wall of the lifting hook (6).

3. A four-leg link for a multiple hanger as claimed in claim 1 wherein: the rotating assembly comprises a rotating seat (15) arranged at the bottom end of the steel wire rope (5), a rotating block (16) is arranged in the rotating seat (15) in a rotating mode, and the bottom end of the rotating block (16) is connected with the lifting hook (6).

4. A four-leg link for a multiple hanger as claimed in claim 1 wherein: and a plurality of groups of positioning springs (17) are annularly arranged on the hole wall of each group of hanging holes (3), and each group of positioning springs (17) is elastically connected with a positioning block (18) which is matched with the second hanging ring (4).

5. A four-leg link for a multiple hanger as claimed in claim 1 wherein: the outer wall of the first lifting ring (1) is provided with a coating layer (19), and the coating layer (19) is made of wear-resistant materials.

6. A four-leg link for a multiple hanger as claimed in claim 1 wherein: the top of the first lifting ring (1) is provided with a mounting block (20), and mounting bolts (21) are symmetrically and movably mounted on two sides of the mounting block (20).