Limiting structure of hoisting sling

Abstract

The utility model relates to the technical field of hoisting slings, and discloses a limiting structure of a hoisting sling, which comprises a crane connecting block, a hoisting plate and a hoisting groove, the hoisting plate is arranged below the crane connecting block, the hoisting groove is arranged in the hoisting plate, a sliding device is arranged on the inner side of the hoisting groove, and the hoisting groove is arranged in the hoisting plate. A plurality of connecting chains are installed on the outer sides of the sliding device and the connecting chains, the sliding device comprises a telescopic spring, a bottom plate and first connecting plates, the telescopic spring is installed on the inner side of the hanging groove, the bottom plate is installed above the telescopic spring, and the first connecting plates are installed on the two sides of the upper portion of the bottom plate; a second connecting plate is installed between the first connecting plates on the two sides, and telescopic grooves are formed in the inner sides of the first connecting plates. The double protection force of the device is increased, the safety of the device is improved, and meanwhile the service life of the device can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting slings, and in particular to a limiting structure of a lifting sling. Background Art

[0002] The connecting parts between the crane or the hoisting body and the hoisted object are called slings, and when the slings are used to lift heavy objects, a limiting structure is required to reinforce the structural stability.

[0003] After searching, the Chinese patent authorization announcement number CN 218538956 U, announcement date February 28, 2023, discloses a limiting structure for lifting slings. The article proposes "a lifting ring and a stabilizing structure, and a stabilizing structure is installed inside the lifting ring. The stabilizing structure includes a slide groove, and the slide groove is opened inside the lifting ring." When the crane lifts the object, the device only has one level of protection. When the one level of protection is disconnected, the object will fall, reducing the safety of the device. In view of this, in-depth research was conducted on the above-mentioned problems, and this case came into being. Utility Model Content

[0004] The purpose of the present invention is to provide a limiting structure for a lifting sling to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a limiting structure of a lifting sling, comprising a crane connection block, a hanging plate and a hanging groove, a hanging plate is installed below the crane connection block, a hanging groove is arranged inside the hanging plate, a sliding device is arranged inside the hanging groove, and a plurality of connecting chains are installed between the sliding device and the outer side of the connecting chain;

[0006] The sliding device includes a telescopic spring, a base plate and a first connecting plate, a telescopic spring is installed on the inner side of the hanging groove, a base plate is installed above the telescopic spring, first connecting plates are installed on both sides above the base plate, a second connecting plate is installed between the first connecting plates on both sides, a telescopic groove is provided on the inner side of the first connecting plate, a telescopic rod is installed inside the telescopic groove, the top of the telescopic rod is connected to the inner wall of the hanging plate, a groove is provided in the middle position above the base plate, a pad is installed on the inner side of the groove, the base plate and the first connecting plate, a sliding block is installed on the outer side of the first connecting plate, the sliding block is installed inside the slide groove, and the slide groove is provided on the inner side of the hanging plate.

[0007] Preferably, the crane connecting block and the hanging plate are fixedly connected, and the hanging plate and the hanging groove are integrated.

[0008] Preferably, the telescopic springs are fixedly connected to the hanging plate and the bottom plate, and the bottom plate and the first connecting plate are arranged perpendicular to each other.

[0009] Preferably, the bottom plate and the groove are integrated, and the inner sides of the groove and the first connecting plate are arc-shaped.

[0010] Preferably, the first connecting plate and the second connecting plate are arranged perpendicular to each other, and the first connecting plate and the telescopic slot are arranged integrally.

[0011] Preferably, the telescopic slot and the telescopic rod are slidably connected, and the upper part of the telescopic rod and the inner side of the hanging plate are fixedly connected.

[0012] Preferably, the bottom plate, the first connecting plate and the inner wall of the hanging plate are tightly fitted.

[0013] Preferably, the first connecting plate and the sliding block are fixedly connected, and the sliding block and the sliding groove are slidably connected.

[0014] Preferably, the slide groove and the hanging plate are integrated.

[0015] Preferably, the pads are tightly fitted with the second connecting plate, the first connecting plate, the bottom plate and the groove.

[0016] Compared with the prior art, the beneficial effects of this invention are:

[0017] By setting a telescopic spring, a bottom plate and a first connecting plate, both sides of the object are fixed by a connecting chain, and the connecting chain is driven to slide on the outside of the bottom plate, the first connecting plate and the hanging plate according to the size of the object. When the crane is pulled upward, the crane drives the hanging plate connected to the crane connecting block to pull upward, the connecting chain pulls the object upward through the hanging plate, and the gravity of the object drives the sliding block connected to the first connecting plate to slide inside the slide groove through the connecting chain, and the telescopic rod slides inside the telescopic groove so as to have a double supporting force for the connecting chain, increase the double protection force of the device, and improve the safety of the device, and the slide groove limits the bottom plate inside the hanging plate, and at the same time utilizes the effect of the telescopic spring so that the telescopic spring can be retracted to relieve the pressure on the bottom plate, and utilizes the effect of the pad block so as to protect the bottom plate and the first connecting plate, thereby extending the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0019] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0020] Figure 2 This is a front view structural diagram of a sliding device used in the utility model;

[0021] Figure 3 It is a front cross-sectional structural schematic diagram of the sliding device of the utility model.

[0022] In the figure: 1. crane connecting block; 2. hanging plate; 3. hanging groove; 4. sliding device; 5. connecting chain; 401. telescopic spring; 402. bottom plate; 403. first connecting plate; 404. second connecting plate; 405. telescopic groove; 406. telescopic rod; 407. groove; 408. pad; 409. sliding block; 410. slide groove. DETAILED DESCRIPTION

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The following will be combined with the drawings in the practical embodiment to clearly and completely describe the technical solution in the practical embodiment. Obviously, the described embodiment is only a part of the embodiment of the practical embodiment, not all of the embodiments. Based on the embodiment in the practical embodiment, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this practical embodiment.

[0026] See also Figure 1-3The utility model provides a technical solution of a limiting structure of a lifting sling: a limiting structure of a lifting sling, comprising a crane connection block 1, a hanging plate 2 and a hanging groove 3, a hanging plate 2 is installed below the crane connection block 1, a hanging groove 3 is arranged inside the hanging plate 2, a sliding device 4 is arranged inside the hanging groove 3, and a plurality of connecting chains 5 are installed on the outer side of the sliding device 4 and the connecting chain 5;

[0027] The sliding device 4 includes a telescopic spring 401, a base plate 402 and a first connecting plate 403. The telescopic spring 401 is installed on the inner side of the hanging groove 3, and the base plate 402 is installed above the telescopic spring 401. The first connecting plates 403 are installed on both sides above the base plate 402, and the second connecting plate 404 is installed between the first connecting plates 403 on both sides. A telescopic groove 405 is provided on the inner side of the first connecting plate 403, and a telescopic rod 406 is installed inside the telescopic groove 405. The upper part of the telescopic rod 406 is connected to the inner wall of the hanging plate 2. A groove 407 is provided in the middle position above the base plate 402, and a pad 408 is installed on the inner side of the groove 407, the base plate 402 and the first connecting plate 403. A sliding block 409 is installed on the outer side of the first connecting plate 403, and the sliding block 409 is installed inside the slide groove 410, and the slide groove 410 is provided on the inner side of the hanging plate 2.

[0028] When in use, the two sides of the object are fixed by the connecting chain 5, and the connecting chain 5 is driven by the size of the object to slide on the outside of the bottom plate 402, the first connecting plate 403 and the hanging plate 2. When the crane is pulled upward, the crane drives the hanging plate 2 connected to the crane connecting block 1 to be pulled upward, and the connecting chain 5 pulls the object upward through the hanging plate 2, and the gravity of the object drives the sliding block 409 connected to the first connecting plate 403 to slide inside the slide groove 410 through the connecting chain 5, and the telescopic rod 406 slides inside the telescopic groove 405, so as to have a double supporting force for the connecting chain 5, increase the double protection force of the device, and improve the safety of the device, and the slide groove 410 limits the bottom plate 402 inside the hanging plate 2, and at the same time utilizes the effect of the telescopic spring 401 so that the telescopic spring 401 can be retracted to relieve the pressure on the bottom plate 402, and utilizes the effect of the pad 408 to protect the bottom plate 402 and the first connecting plate 403, thereby extending the service life of the device.

[0029] The crane connecting block 1 and the hanging plate 2 are fixedly connected, and the hanging plate 2 and the hanging groove 3 are integrated.

[0030] The telescopic springs 401 are fixedly connected to the hanging plate 2 and the bottom plate 402 , and the bottom plate 402 and the first connecting plate 403 are arranged perpendicular to each other.

[0031] The bottom plate 402 and the groove 407 are integrated, and the inner sides of the groove 407 and the first connecting plate 403 are arc-shaped.

[0032] The first connecting plate 403 and the second connecting plate 404 are arranged perpendicular to each other, and the first connecting plate 403 and the telescopic slot 405 are arranged integrally.

[0033] The telescopic slot 405 and the telescopic rod 406 are slidably connected, and the upper part of the telescopic rod 406 and the inner side of the hanging plate 2 are fixedly connected.

[0034] The bottom plate 402 , the first connecting plate 403 and the inner wall of the hanging plate 2 are tightly fitted.

[0035] The first connecting plate 403 and the sliding block 409 are fixedly connected, and the sliding block 409 and the sliding groove 410 are slidably connected.

[0036] The slide groove 410 and the hanging plate 2 are integrated.

[0037] The pads 408 are tightly fitted with the second connecting plate 404 , the first connecting plate 403 , the bottom plate 402 and the groove 407 .

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting sling limit structure, comprising a crane connection block (1), a hanging plate (2) and a hanging groove (3), characterized in that: A hanging plate (2) is installed below the crane connection block (1), a hanging groove (3) is provided inside the hanging plate (2), a sliding device (4) is provided inside the hanging groove (3), and a plurality of connecting chains (5) are installed between the sliding device (4) and the outer side of the connecting chain (5); The sliding device (4) comprises a telescopic spring (401), a bottom plate (402) and a first connecting plate (403); the inner side of the hanging groove (3) is provided with a telescopic spring (401); the upper side of the telescopic spring (401) is provided with a bottom plate (402); the first connecting plates (403) are provided on both sides of the upper side of the bottom plate (402); a second connecting plate (404) is provided between the first connecting plates (403) on both sides; the inner side of the first connecting plate (403) is provided with a telescopic groove (405); the telescopic groove (405) is provided with a telescopic groove (405); ) is installed inside, the top of the telescopic rod (406) is connected to the inner wall of the hanging plate (2), a groove (407) is provided in the middle position above the bottom plate (402), a cushion block (408) is installed on the inner side of the groove (407), the bottom plate (402) and the first connecting plate (403), a sliding block (409) is installed on the outer side of the first connecting plate (403), the sliding block (409) is installed inside the sliding groove (410), and the sliding groove (410) is provided on the inner side of the hanging plate (2).

2. A lifting sling limit structure according to claim 1, characterized in that: The crane connection block (1) and the hanging plate (2) are fixedly connected, and the hanging plate (2) and the hanging groove (3) are integrally arranged.

3. A lifting sling limit structure according to claim 2, characterized in that: The telescopic springs (401) are fixedly connected to the hanging plate (2) and the bottom plate (402), and the bottom plate (402) and the first connecting plate (403) are arranged perpendicular to each other.

4. A lifting sling limit structure according to claim 3, characterized in that: The bottom plate (402) and the groove (407) are integrated, and the inner sides of the groove (407) and the first connecting plate (403) are arc-shaped.

5. A lifting sling limit structure according to claim 4, characterized in that: The first connecting plate (403) and the second connecting plate (404) are arranged perpendicular to each other, and the first connecting plate (403) and the telescopic slot (405) are arranged in an integrated manner.

6. A lifting sling limit structure according to claim 5, characterized in that: The telescopic groove (405) and the telescopic rod (406) are slidably connected, and the upper part of the telescopic rod (406) and the inner side of the hanging plate (2) are fixedly connected.

7. A lifting sling limiter structure according to claim 6, characterized in that: The bottom plate (402), the first connecting plate (403) and the inner wall of the hanging plate (2) are tightly fitted.

8. The limiting structure of a lifting sling according to claim 7, characterized in that: The first connecting plate (403) and the sliding block (409) are fixedly connected, and the sliding block (409) and the sliding groove (410) are slidably connected.

9. A lifting sling limit structure according to claim 8, characterized in that: The slide groove (410) and the hanging plate (2) are integrally arranged.

10. A lifting sling limit structure according to claim 9, characterized in that: The cushion blocks (408) are tightly fitted with the second connecting plate (404), the first connecting plate (403), the bottom plate (402) and the groove (407).

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