Chain for lifting
By incorporating reinforcing rings and ribs into the lifting chain, the weak points between the connecting shaft and the chain plate are resolved, thereby improving the overall strength and stability of the chain, preventing breakage, and extending its service life.
Patent Information
- Application Number
- CN202520178139.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-05
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-02-05
AI Technical Summary
When a lifting chain is subjected to a large tensile force, the connection point between the connecting shaft and the chain plate is prone to become a weak point, leading to breakage. The chain plate is also prone to breakage due to insufficient strength during long-term use.
By setting reinforcing rings and reinforcing ribs between the connecting shaft and the chain plate, the connection stability and support strength are enhanced. These include reinforcing rings No. 1, No. 2, No. 3 and reinforcing ribs, which improve the overall load-bearing capacity and stability of the chain.
It effectively prevents breakage between the connecting shaft, side fixing shaft, first chain plate, and second chain plate, improving the overall strength and stability of the chain and enhancing its service life under high loads.
Smart Images

Figure CN223794582U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of chain technology, specifically to a lifting chain. Background Technology
[0002] Lifting chains are a special type of chain mainly used for lifting materials vertically or at an incline. Lifting chains typically have high strength and load-bearing capacity, capable of withstanding huge loads and impacts to ensure the safety of equipment and personnel. However, when subjected to large tensile forces, the connection point between the connecting shaft and the chain plate can easily become a weak point, leading to breakage. In addition, the chain plate is also prone to breakage due to insufficient strength during long-term use. Utility Model Content
[0003] The purpose of this utility model is to provide a lifting chain to solve the problem mentioned in the background art that the connection point between the connecting shaft and the chain plate is prone to become a weak link when the lifting chain is subjected to large tensile force, leading to breakage. In addition, the chain plate is also prone to breakage due to insufficient strength during long-term use.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a lifting chain, comprising:
[0005] Connecting shaft;
[0006] Side-fixed shaft, which is fixed to both ends of the connecting shaft;
[0007] The first chain plate is installed on the outside of the side fixed shaft, and the inner side of the first chain plate is symmetrically provided with a first mounting hole that mates with the side fixed shaft.
[0008] The second chain plate is installed on the outside of the side fixed shaft, and the interior of the second chain plate is symmetrically provided with second mounting holes that cooperate with the side fixed shaft.
[0009] The first reinforcing ring is symmetrically rotated and positioned on the outside of the connecting shaft, and the outside of the first reinforcing ring is fixedly connected to the first chain plate.
[0010] The second reinforcing ring is symmetrically rotated and arranged on the outside of the side fixed shaft. One side of one of the second reinforcing rings is fixedly connected to the first chain plate, and the other second reinforcing ring is fixedly connected to the second chain plate.
[0011] A fixed side plate is fixedly connected to one end of a side fixed shaft;
[0012] A connecting side shaft is rotatably mounted at one end of a fixed side disc, and a reinforcing chain plate is rotatably mounted on the outer side of the connecting side shaft.
[0013] As a preferred embodiment of this utility model: the interior of the reinforcing chain plate is symmetrically provided with mounting through holes that cooperate with the connecting side shaft, the connecting side shaft is rotatably connected to the inner side of the mounting through holes, and one end of the connecting side shaft is provided with a side limiting plate.
[0014] As a preferred embodiment of this utility model: a third reinforcing ring is fixedly connected to the outer side of the second chain plate, and the third reinforcing ring is rotatably connected to the side fixed shaft.
[0015] As a preferred embodiment of this utility model, a second reinforcing rib is fixedly connected to the inner side of the first chain plate.
[0016] As a preferred embodiment of this utility model, a reinforcing rib is fixedly connected to the outer side of the second chain plate.
[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: By setting up a reinforcing chain plate, this utility model further improves the stability of the connection and support between each second chain plate. During lifting operations, it distributes the tension between the second chain plate and the first chain plate, thereby improving the overall stability. By setting up the first, second, and third reinforcing rings, the first, second, and third reinforcing rings enhance the support strength between the first and second chain plates and the connecting shaft and the side fixed shaft, thereby improving the overall load-bearing capacity of the chain. Combined with the setting of the reinforcing chain plate, it prevents the connection shaft, the side fixed shaft, and the first and second chain plates from breaking. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the connecting shaft, chain plate number one, and chain plate number two of this utility model.
[0020] Figure 3 This is a rear view of the present invention.
[0021] In the diagram: 1. Reinforcing rib No. 1; 2. Connecting shaft; 3. Side fixing shaft; 4. Reinforcing ring No. 1; 5. Reinforcing ring No. 2; 6. Reinforcing ring No. 3; 7. Fixed side plate; 8. Connecting side shaft; 9. Reinforcing chain plate; 10. Mounting through hole; 11. Side limiting plate; 12. Chain plate No. 1; 13. Chain plate No. 2; 14. Mounting hole No. 1; 15. Mounting hole No. 2; 16. Reinforcing rib No. 2. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figures 1 to 3 This utility model provides a technical solution: a lifting chain, comprising: a connecting shaft 2; a side fixing shaft 3 fixedly connected to both ends of the connecting shaft 2; a first chain plate 12 installed on the outside of the side fixing shaft 3, with a first mounting hole 14 symmetrically opened on the inner side of the first chain plate 12 to cooperate with the side fixing shaft 3; a second chain plate 13 installed on the outside of the side fixing shaft 3, with a second mounting hole 15 symmetrically opened on the inside of the second chain plate 13 to cooperate with the side fixing shaft 3; a first reinforcing ring 4 symmetrically rotatably disposed on the outside of the connecting shaft 2, with the outer side of the first reinforcing ring 4 fixedly connected to the first chain plate 12; a second reinforcing ring 5 symmetrically rotatably disposed on the outside of the side fixing shaft 3, with one side of one second reinforcing ring 5 fixedly connected to the first chain plate 12, and the other second reinforcing ring 5 fixedly connected to the second chain plate 13; a fixed side plate 7 fixedly connected to one end of the side fixing shaft 3; a connecting side shaft 8 rotatably disposed on one end of the fixed side plate 7, with a reinforcing chain plate 9 rotatably installed on the outer side of the connecting side shaft 8.
[0024] It is understood that this utility model uses the connecting shaft 2 to connect and support the first chain plate 12 and the second chain plate 13. By providing auxiliary support at the connection point of the connecting shaft 2, the side fixing shaft 3, and the first chain plate 12, a first reinforcing ring 4 and a second reinforcing ring 5 are provided to improve the stability of the connection between the first chain plate 12, the connecting shaft 2, and the side fixing shaft 3, thus reinforcing the connection. Furthermore, by providing a second reinforcing ring 5 and a third reinforcing ring 6 at the connection point between the connecting shaft 2, the side fixing shaft 3, and the second chain plate 13, the support strength between the second chain plate 13 and the connecting shaft 2 is enhanced. Fixed side plates 7 are provided at both ends of the fixed shaft 3. The reinforcing chain plate 9 and the mounting through hole 10 are installed through the connecting side shaft 8 provided on the outside of the fixed side plate 7. The side limiting plate 11 restricts the position of the reinforcing chain plate 9. The reinforcing chain plate 9 improves the stability of the connection between each second chain plate 13. Combined with the first chain plate 12, the connection stability between the second chain plates 13 is improved, and the overall strength of the chain is improved. The support strength of the second chain plate 13 is improved by setting the first reinforcing rib 1, and the support strength of the first chain plate 12 is improved by setting the second reinforcing rib 16.
[0025] Please see Figures 1 to 3The inner side of the reinforcing chain plate 9 is symmetrically provided with mounting through holes 10 that cooperate with the connecting side shaft 8. The connecting side shaft 8 is rotatably connected to the inner side of the mounting through hole 10. One end of the connecting side shaft 8 is provided with a side limiting plate 11.
[0026] It is understood that this utility model uses the mounting through hole 10 to limit the installation on the outside of the connecting side shaft 8, and uses the side limiting plate 11 to limit the installation position of the reinforcing chain plate 9 on the outside of the connecting side shaft 8.
[0027] Please see Figures 1 to 3 The outer side of the second chain plate 13 is fixed with the third reinforcing ring 6, which is rotatably connected to the side fixed shaft 3.
[0028] It is understandable that this utility model improves the stability of the connection between the second chain plate 13 and the side fixed shaft 3 by combining the third reinforcing ring 6 with the second reinforcing ring 5.
[0029] Please see Figures 1 to 3 The inner side of the first chain plate 12 is fixed with the second reinforcing rib 16.
[0030] It is understandable that this utility model improves the stability of the first chain plate 12 by using the second reinforcing rib 16, thereby preventing the first chain plate 12 from breaking.
[0031] Please see Figures 1 to 3 A reinforcing rib 1 is fixedly attached to the outer side of the second chain plate 13.
[0032] It is understandable that this utility model improves the stability of the second chain plate 13 by using the first reinforcing rib 1, so as to avoid the second chain plate 13 from breaking during the lifting operation.
[0033] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0034] Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include at least one of those features.
[0035] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0036] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A hoisting chain, characterized in that Include: Connecting shaft (2); Side fixed shaft (3), side fixed shaft (3) is connected at both ends of connecting shaft (2); No. 1 chain plate (12), no. 1 chain plate (12) is installed on the outside of side fixed shaft (3), the inside of the said no. 1 chain plate (12) is symmetrically provided with no. 1 installation hole (14) matched with side fixed shaft (3); No. 2 chain plate (13), no. 2 chain plate (13) is installed on the outside of side fixed shaft (3), the inside of the said no. 2 chain plate (13) is symmetrically provided with no. 2 installation hole (15) matched with side fixed shaft (3); No. 1 reinforcing ring (4), no. 1 reinforcing ring (4) is symmetrically arranged on the outside of connecting shaft (2), the outside of the said no. 1 reinforcing ring (4) is fixed with no. 1 chain plate (12); No. 2 reinforcing ring (5), no. 2 reinforcing ring (5) is symmetrically arranged on the outside of side fixed shaft (3), one side of the said no. 2 reinforcing ring (5) is fixed with no. 1 chain plate (12), the other said no. 2 reinforcing ring (5) is fixed with no. 2 chain plate (13); Fixed side disc (7), fixed side disc (7) is fixed at one end of side fixed shaft (3); Connecting side shaft (8), connecting side shaft (8) is arranged on one end of fixed side disc (7), the outside of the said connecting side shaft (8) is rotatably installed with reinforcing chain plate (9).
2. A lifting chain according to claim 1, characterized in that: The inside of the said reinforcing chain plate (9) is symmetrically provided with installation through hole (10) matched with connecting side shaft (8), the inside of the said connecting side shaft (8) and installation through hole (10) is rotatably connected, one end of the said connecting side shaft (8) is provided with side limiting disc (11).
3. A lifting chain according to claim 1, characterized in that: The outside of the said no. 2 chain plate (13) is fixed with no. 3 reinforcing ring (6), the said no. 3 reinforcing ring (6) is rotatably connected with side fixed shaft (3).
4. A lifting chain according to claim 1, characterized in that: The inside of the said no. 1 chain plate (12) is fixed with no. 2 reinforcing rib (16).
5. A lifting chain according to claim 1, characterized in that: The outside of the said no. 2 chain plate (13) is fixed with no. 1 reinforcing rib (1).