Chain ring for scraper conveyor

Abstract

The utility model discloses a chain ring for a scraper conveyer. The chain ring comprises a U-shaped first half connecting chain ring, a U-shaped second half connecting chain ring and a connecting pin, the first half connecting chain ring is provided with a first positioning table, a first positioning groove, a first arc-shaped groove, a first arc-shaped hole sealing part and a first pin hole; the second half connecting chain ring is provided with a second positioning table, a second positioning groove, a second arc-shaped groove, a second arc-shaped hole sealing part and a second pin hole; the first positioning table is matched with the second positioning groove, the first positioning groove is matched with the second positioning table, the first arc-shaped groove is matched with the second arc-shaped hole sealing part to form a first chain ring connecting hole, and the first arc-shaped hole sealing part is matched with the second arc-shaped groove to form a second chain ring connecting hole; the connecting pin is located in the first pin hole and the second pin hole. The positioning blocks and the positioning grooves are matched to enable the two half-connection chain rings to be meshed together, the two half-connection chain rings are locked through the connecting pins, the chain rings are not separated when bearing horizontal force, and connection is firm and reliable. The positioning blocks and the positioning grooves are convenient to machine, high in structural strength and not prone to damage.

Description

Technical Field

[0001] This utility model relates to the field of scraper conveyor technology, and more specifically, to a chain link for a scraper conveyor. Background Technology

[0002] A scraper conveyor is a mechanical device used for conveying materials, mainly for short-distance horizontal or inclined conveying at an angle not exceeding 15°. It consists of components such as a frame, rollers, scrapers, chains, motors, and reducers.

[0003] A chain is formed by connecting individual links, such as... Figure 4 and Figure 5 As shown, this is a common type of chain link in the prior art. The chain link consists of two half-links 6. The two half-links 6 are provided with multiple helical teeth 61 and multiple helical tooth grooves 62. The two half-links 6 form a chain link by the cooperation of the helical teeth 61 and the helical tooth grooves 62.

[0004] The chain links in the above structure have the following disadvantages:

[0005] (1) Helical teeth and helical tooth grooves are difficult to process, take a long time to process, have low production efficiency and high cost;

[0006] (2) The helical teeth are too small, resulting in low structural strength and easy deformation under stress. Utility Model Content

[0007] To address the aforementioned shortcomings, the technical problem to be solved by this utility model is to provide a chain link for scraper conveyors that has high structural strength and is easy to process.

[0008] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:

[0009] A chain link for a scraper conveyor includes: a first half-connecting chain link, a second half-connecting chain link, and a connecting pin;

[0010] The first half-connecting link is U-shaped. The inner side of the first connecting arm of the first half-connecting link is provided with a first positioning platform. The outer side of the second connecting arm of the first half-connecting link is provided with a first positioning groove. The connection part between the first connecting arm and the second connecting arm of the first half-connecting link is provided with a first arc-shaped groove. The end of the second connecting arm of the first half-connecting link is provided with a first arc-shaped sealing hole. The first half-connecting link is provided with a first pin hole.

[0011] The second half-link is U-shaped. The inner side of the first connecting arm of the second half-link is provided with a second positioning platform. The outer side of the second connecting arm of the second half-link is provided with a second positioning groove. The connecting part between the first connecting arm and the second connecting arm of the second half-link is provided with a second arc-shaped groove. The end of the second connecting arm of the second half-link is provided with a second arc-shaped sealing hole. The second half-link is provided with a second pin hole.

[0012] The first positioning platform and the second positioning groove are adapted to each other, the first positioning groove and the second positioning platform are adapted to each other, the first arc-shaped groove and the second arc-shaped sealing hole cooperate to form the first chain link connection hole, and the first arc-shaped sealing hole and the second arc-shaped groove cooperate to form the second chain link connection hole;

[0013] The connecting pin is located in the first pin hole and the second pin hole.

[0014] Preferably, the inner side of the second connecting arm of the first half-connecting link is provided with a first limiting step, and the inner side of the second connecting arm of the second half-connecting link is provided with a second limiting step, and the first limiting step and the second limiting step are adapted to each other.

[0015] Preferably, the connecting pin is a flexible cylindrical pin.

[0016] After adopting the above technical solution, the beneficial effects of this utility model are:

[0017] In this application, a positioning block and a positioning groove are used to engage the first and second half-links of the chain, and a connecting pin is used to lock the first and second half-links together, ensuring that the links do not separate under horizontal force, and the connection between the first and second half-links is firm and reliable. Compared with the helical teeth and helical tooth grooves in the prior art, the positioning block and positioning groove have a simple structure, are easy to process, require less processing time, and have lower cost. Moreover, the positioning block and positioning groove are large in size, have high structural strength, good stress resistance, and are not easily damaged. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of an embodiment of the chain link for a scraper conveyor according to this utility model;

[0019] Figure 2 yes Figure 1 A schematic diagram of the structure of the first half of the connecting link;

[0020] Figure 3 yes Figure 1 Schematic diagram of the second half of the connecting link;

[0021] Figure 4 This is a schematic diagram of a common chain link structure in existing technology;

[0022] Figure 5 yes Figure 4 A schematic diagram of the structure of a half-link in the chain;

[0023] In the diagram: 1. First half-connected chain link; 11. First positioning platform; 12. First positioning groove; 13. First arc-shaped groove; 14. First arc-shaped sealing hole; 15. First pin hole; 16. First limiting step; 2. Second half-connected chain link; 21. Second positioning platform; 22. Second positioning groove; 23. Second arc-shaped groove; 24. Second arc-shaped sealing hole; 25. Second pin hole; 26. Second limiting step; 3. Connecting pin; 4. Chain link connecting hole; 5. Chain link connecting hole; 6. Half-connected chain link; 61. Helical tooth; 62. Helical tooth groove. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0025] like Figures 1-3 As shown in the figure, a chain link for a scraper conveyor includes: a first half-connecting chain link 1, a second half-connecting chain link 2, and a connecting pin 3;

[0026] The first half-connecting link 1 is U-shaped. The inner side of the first connecting arm of the first half-connecting link 1 is provided with a first positioning platform 11. The outer side of the second connecting arm of the first half-connecting link 1 is provided with a first positioning groove 12. The connecting part between the first connecting arm and the second connecting arm of the first half-connecting link 1 is provided with a first arc-shaped groove 13. The end of the second connecting arm of the first half-connecting link 1 is provided with a first arc-shaped sealing hole 14. The first half-connecting link 1 is provided with a first pin hole 15.

[0027] The second half-connecting link 2 is U-shaped. The inner side of the first connecting arm of the second half-connecting link 2 is provided with a second positioning platform 21, the outer side of the second connecting arm of the second half-connecting link 2 is provided with a second positioning groove 22, the connecting part between the first connecting arm and the second connecting arm of the second half-connecting link 2 is provided with a second arc-shaped groove 23, the end of the second connecting arm of the second half-connecting link 2 is provided with a second arc-shaped sealing hole 24, and the second half-connecting link is provided with a second pin hole 25.

[0028] The first positioning platform 11 and the second positioning groove 22 are adapted to each other, the first positioning groove 12 and the second positioning platform 21 are adapted to each other, the first arc-shaped groove 13 and the second arc-shaped sealing hole 24 cooperate to form the first chain link connecting hole 4, the first arc-shaped sealing hole 14 and the second arc-shaped groove 23 cooperate to form the second chain link connecting hole 5, and the chain link connecting hole 4 and the chain link connecting hole 5 are used to connect with the chain link.

[0029] The connecting pin 3 is located in the first pin hole 15 and the second pin hole 25.

[0030] In this application, a positioning block and a positioning groove are used to engage the first half-link 1 and the second half-link 2 together, and a connecting pin 3 is used to lock the first half-link 1 and the second half-link 2, ensuring that the links do not separate when subjected to horizontal force, and the connection between the first half-link 1 and the second half-link 2 is firm and reliable. Compared with the helical teeth and helical tooth grooves in the prior art, the positioning block and positioning groove have a simple structure, are easy to process, consume less processing time, and have low cost. Moreover, the positioning block and positioning groove are large in size, have high structural strength, good stress resistance, and are not easily damaged.

[0031] The inner side of the second connecting arm of the first half-connecting link 1 is provided with a first limiting step 16, and the inner side of the second connecting arm of the second half-connecting link 2 is provided with a second limiting step 26. The first limiting step 16 and the second limiting step 26 are adapted to each other. The first limiting step 16 and the second limiting step 26 not only serve a positioning function, but also increase the force-bearing points, enhance the ability of the link to withstand horizontal forces, and further enhance the connection between the first half-connecting link 1 and the second half-connecting link 2.

[0032] Preferably, the connecting pin 3 is an elastic cylindrical pin, which is easy to assemble and disassemble, and the chain link is easy to assemble and disassemble.

[0033] The above are examples of the preferred embodiments of this utility model. Parts not described in detail are common knowledge to those skilled in the art. The scope of protection of this utility model is determined by the claims. Any equivalent modifications based on the technical teachings of this utility model are also within the scope of protection of this utility model.

Claims

1. A chain link for a scraper conveyor, characterized in that, include: First half-link, second half-link, and connecting pin; The first half-connecting link is U-shaped. The inner side of the first connecting arm of the first half-connecting link is provided with a first positioning platform. The outer side of the second connecting arm of the first half-connecting link is provided with a first positioning groove. The connection part between the first connecting arm and the second connecting arm of the first half-connecting link is provided with a first arc-shaped groove. The end of the second connecting arm of the first half-connecting link is provided with a first arc-shaped sealing hole. The first half-connecting link is provided with a first pin hole. The second half-link is U-shaped. The inner side of the first connecting arm of the second half-link is provided with a second positioning platform. The outer side of the second connecting arm of the second half-link is provided with a second positioning groove. The connecting part between the first connecting arm and the second connecting arm of the second half-link is provided with a second arc-shaped groove. The end of the second connecting arm of the second half-link is provided with a second arc-shaped sealing hole. The second half-link is provided with a second pin hole. The first positioning platform and the second positioning groove are adapted to each other, the first positioning groove and the second positioning platform are adapted to each other, the first arc-shaped groove and the second arc-shaped sealing hole cooperate to form the first chain link connection hole, and the first arc-shaped sealing hole and the second arc-shaped groove cooperate to form the second chain link connection hole; The connecting pin is located in the first pin hole and the second pin hole.

2. The chain link for a scraper conveyor as described in claim 1, characterized in that, The inner side of the second connecting arm of the first half-link is provided with a first limiting step, and the inner side of the second connecting arm of the second half-link is provided with a second limiting step. The first limiting step and the second limiting step are adapted to each other.

3. The chain link for a scraper conveyor as described in claim 1, characterized in that, The connecting pin is a flexible cylindrical pin.

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