Chain of scraper conveyor

Abstract

The invention discloses a scraper chain, and relates to the technical field of chains. Comprising inner connecting units, outer connecting units and connecting assemblies, the inner connecting units and the outer connecting units are connected through the connecting assemblies, the inner connecting units are arranged in parallel pairwise, and the outer connecting units are arranged in parallel pairwise. The inner connecting units and the outer connecting units are connected through connecting assemblies to form a closed chain body. The two chain bodies are arranged in parallel, and a scraper is arranged between the two chain bodies. The closed chain body is formed by the inner connecting units and the outer connecting units through the connecting assemblies, the structural stability of the chain in the running process is guaranteed through the design, the problems caused by chain deformation or looseness are reduced, the reliability and durability of equipment are improved, the scraper mounting bases are arranged on the inner sides of the outer connecting units, and the scraper mounting bases are convenient to use. The scraper is fixed through the bolts, the replacement and maintenance process of the scraper is simplified through the design, and the scraper is installed more firmly and stably through the perforated design.

Description

Technical Field

[0001] The present invention relates to the technical field of chains, and particularly to a scraper chain. Background Art

[0002] A scraper is a transportation machine used in coal mining working faces. It is mainly used for transporting in coal mining working faces and gateways along the goaf, and can also be used in driving working faces of coal roadways and semi-coal rock roadways. It can transport upwards or downwards. The scraper chain is a core transmission component on the scraper, which realizes the movement of the scraper. The existing scraper chains have poor stability and are prone to displacement and detachment during use. Therefore, it is necessary to design a scraper chain that can solve the above problems. Summary of the Invention

[0003] To achieve the above object, the present invention provides the following technical solution: A scraper chain, which includes an inner connection unit, an outer connection unit, and a connection component. The inner connection unit and the outer connection unit are connected by the connection component. The inner connection units are arranged parallel to each other in pairs, and the outer connection units are arranged parallel to each other in pairs. The inner connection unit and the outer connection unit are connected by the connection component to form a closed chain body; two chain bodies are arranged parallel to each other, and a scraper is arranged between the two chain bodies; The connection component includes a fixing cap, a connection cylinder, a connection head, and a rotating seat. The fixing cap and the connection cylinder are fixedly arranged, and the connection head and the rotating seat are fixedly arranged. The fixing cap is a hexagonal structure. An internal threaded hole is provided at one end of the connection cylinder away from the fixing cap, and an external threaded column is provided at one end of the connection head away from the rotating seat. The connection cylinder and the connection head are connected by internal and external threads.

[0004] Preferably, scraper mounting seats are provided on the inner sides of the outer connection units of the chain body. A through hole is provided on the scraper mounting seat, and the scraper mounting seat and the scraper are fixedly connected by a bolt passing through the through hole.

[0005] Preferably, the outer connection unit includes an outer connection unit one and an outer connection unit two. The outer connection unit one is arranged on the outer side of the chain body, and the outer connection unit two is arranged on the inner side of the chain body.

[0006] Preferably, two connection holes are provided on the outer connection unit two. A hexagonal fixing hole is provided on the outside of the connection hole. The hexagonal fixing hole is used in cooperation with the fixing cap. The connection hole is a round hole, and the center line of the connection hole coincides with the center line of the hexagonal fixing hole.

[0007] Preferably, a reinforcing rib is provided between the scraper mounting seat and the outer connection unit. The reinforcing rib is arranged on the outside of the scraper mounting seat.

[0008] Preferably, a sleeve is sleeved on the connecting cylinder and the connecting head.

[0009] Beneficial effects: Compared with the prior art, in the present invention, the inner connecting unit and the outer connecting unit form a closed chain body through the connecting component. This design ensures the structural stability of the chain during operation, reduces problems caused by chain deformation or loosening, improves the reliability and durability of the equipment. A scraper mounting seat is arranged on the inner side of the outer connecting unit, and the scraper is fixed by bolts. This design simplifies the replacement and maintenance process of the scraper. The perforation design makes the scraper installation more firm and stable, effectively preventing the scraper from shifting or falling off during use. The connecting component includes a fixing cap, a connecting cylinder, a connecting head and a rotating seat, which are connected by internal and external threads, ensuring the firmness and reliability of the connection. This design avoids the loosening or breaking problems that may occur in conventional connection methods, enhancing the overall durability and stability. Reinforcing ribs are arranged on the outer connecting unit, which are on the outer side of the scraper mounting seat, improving the strength and wear resistance of the connecting part and extending the service life of the scraper conveyor chain. The present invention improves the reliability and stability of the equipment, and also brings obvious improvements in the convenience of scraper installation, maintenance and working efficiency. Description of the Drawings

[0010] Figure 1 It is a three-dimensional structure diagram of the present invention.

[0011] Figure 2 It is a three-dimensional structure diagram of a part of the present invention.

[0012] Figure 3 It is a three-dimensional structure diagram of the connecting component of the present invention.

[0013] Figure 4 It is a three-dimensional structure diagram of the second outer connecting unit of the present invention.

[0014] Figure 5 It is a top view of a part of the present invention.

[0015] In the drawings: 1 - inner connecting unit, 2 - outer connecting unit, 201 - first outer connecting unit, 202 - second outer connecting unit, 203 - connecting hole, 204 - hexagonal fixing hole, 3 - connecting component, 301 - fixing cap, 302 - connecting cylinder, 303 - connecting head, 304 - connecting seat, 305 - internal thread hole, 306 - external thread hole, 4 - scraper, 5 - scraper mounting seat, 6 - perforation, 7 - sleeve, 8 - bolt, 9 - reinforcing rib. Detailed Description of the Invention

[0016] The technical solutions of this patent will be further described in detail below in conjunction with the specific embodiments.

[0017] Embodiment Please refer to the attached drawings of the specification. In an embodiment of the present invention, a scraper chain includes an inner connection unit 1, an outer connection unit 2, and a connection component 3. The inner connection unit 1 and the outer connection unit 2 are connected by the connection component 3. The inner connection units 1 are arranged parallel to each other in pairs, and the outer connection units 2 are arranged parallel to each other in pairs. The inner connection unit 1 and the outer connection unit 2 are connected by the connection component 3 to form a closed chain body. Two chain bodies are arranged parallel to each other, and a scraper 4 is arranged between the two chain bodies. The connection component 3 includes a fixing cap 301, a connection cylinder 302, a connection head 303, and a rotating seat 304. The fixing cap 301 and the connection cylinder 302 are fixedly arranged, and the connection head 303 and the rotating seat 304 are fixedly arranged. The fixing cap 301 has a hexagonal structure. An internal threaded hole 305 is provided at one end of the connection cylinder 302 away from the fixing cap 301, and an external threaded column 306 is provided at one end of the connection head 303 away from the rotating seat 304. The connection cylinder 302 and the connection head 303 are connected by internal and external threads.

[0018] Furthermore, scraper mounting seats 5 are provided on the inner sides of the outer connection units 2 of the chain body. A perforation 6 is provided in the scraper mounting seat 5. The scraper mounting seat 5 and the scraper 4 are fixedly connected by a bolt 8 passing through the perforation 6.

[0019] Furthermore, the outer connection unit 2 includes an outer connection unit one 201 and an outer connection unit two 202. The outer connection unit one 201 is arranged on the outer side of the chain body, and the outer connection unit two 202 is arranged on the inner side of the chain body.

[0020] Furthermore, two connection holes 203 are provided on the outer connection unit two 2. A hexagonal fixing hole 204 is provided on the outer side of the connection hole 203. The hexagonal fixing hole 204 is used in cooperation with the fixing cap 301. The connection hole 203 is a round hole, and the center line of the connection hole 203 coincides with the center line of the hexagonal fixing hole 204.

[0021] Furthermore, a reinforcing rib 9 is provided between the scraper mounting seat 5 and the outer connection unit 2. The reinforcing rib 9 is provided on the outer side of the scraper mounting seat 5. The reinforcing rib is provided on the outer side of the scraper mounting seat to enhance the connection stability and durability between the scraper mounting seat and the outer connection unit.

[0022] Furthermore, a sleeve 7 is sleeved on the connection cylinder 302 and the connection head 303.

[0023] Working principle: The inner connection unit and the outer connection unit are connected together through connection components (fixed cap, connection cylinder, connection head and rotating seat) to form a closed chain body. Such a design ensures the stability and structural integrity of the chain during operation; perforations are provided on the scraper mounting seat inside the outer connection unit, and bolts can be used to fix the scraper through these perforations. The fixed connection between the scraper mounting seat and the scraper effectively prevents the scraper from shifting or falling off during operation; reinforcing ribs are also provided between the scraper mounting seat and the outer connection unit, enhancing the stability and durability of the connection. Especially under high-intensity usage conditions, it can effectively extend the service life of the scraper and the chain; the design of connection components such as the fixed cap, connection cylinder, connection head and rotating seat is crucial. The fixed cap is of a hexagonal structure and is used in conjunction with the hexagonal fixing holes of the outer connection unit. Through the connection method of internal and external threads, the firmness and stability of the connection are ensured; the setting of the connection cylinder and the connection head enables the chain to rotate relatively freely during operation while maintaining the tightness of the connection, avoiding problems caused by loose connection of the chain.

[0024] In summary, in the present invention, the inner connection unit and the outer connection unit form a closed chain body through connection components. This design ensures the structural stability of the chain during operation, reduces problems caused by chain deformation or loosening, and improves the reliability and durability of the equipment. A scraper mounting seat is provided inside the outer connection unit, and the scraper is fixed by bolts. This design simplifies the replacement and maintenance process of the scraper. The perforation design makes the scraper installation more firm and stable, effectively preventing the scraper from shifting or falling off during use. The connection components include a fixed cap, a connection cylinder, a connection head and a rotating seat. Through the connection of internal and external threads, the firmness and reliability of the connection are ensured. This design avoids problems such as loosening or breaking that may occur in conventional connection methods, enhancing the overall durability and stability. Reinforcing ribs are provided on the outer connection unit. These reinforcing ribs are on the outside of the scraper mounting seat, improving the strength and wear resistance of the connection part and extending the service life of the scraper chain of the scraper conveyor. The present invention patent improves the reliability and stability of the equipment and also brings obvious improvements in terms of the convenience of scraper installation, maintenance and work efficiency.

[0025] It should be noted that, without conflict, the embodiments in the present invention and the features in the embodiments may be combined with each other. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and defined, the terms "mounted", "connected", "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention may be understood according to specific circumstances.

Claims

1. A scraper chain, characterized in that: It includes an inner connection unit (1), an outer connection unit (2) and a connection component (3). The inner connection unit (1) and the outer connection unit (2) are connected by the connection component (3). The inner connection units (1) are arranged parallel to each other in pairs. The outer connection units (2) are arranged parallel to each other in pairs. The inner connection unit (1) and the outer connection unit (2) are connected by the connection component (3) to form a closed chain body. Two chain bodies are arranged parallel to each other, and a scraper (4) is arranged between the two chain bodies; The connection component (3) includes a fixing cap (301), a connection cylinder (302), a connection head (303) and a rotating seat (304). The fixing cap (301) and the connection cylinder (302) are fixedly arranged. The connection head (303) and the rotating seat (304) are fixedly arranged. The fixing cap (301) is a hexagonal structure. An internal thread hole (305) is arranged at one end of the connection cylinder (302) away from the fixing cap (301). An external thread post (306) is arranged at one end of the connection head (303) away from the rotating seat (304). The connection cylinder (302) and the connection head (303) are connected by internal and external threads.

2. The scraper chain according to claim 1, characterized in that: Scraper mounting seats (5) are arranged on the inner sides of the outer connection units (2) of the chain body. A perforation (6) is formed on the scraper mounting seat (5). The scraper mounting seat (5) and the scraper (4) are fixedly connected by a bolt (8) passing through the perforation (6).

3. A scraper chain according to claim 1, characterized in that: The outer connection unit (2) includes an outer connection unit one (201) and an outer connection unit two (202). The outer connection unit one (201) is arranged on the outer side of the chain body, and the outer connection unit two (202) is arranged on the inner side of the chain body.

4. A scraper chain according to claim 3, characterized in that: Two connection holes (203) are arranged on the outer connection unit two (2). A hexagonal fixing hole (204) is arranged on the outer side of the connection hole (203). The hexagonal fixing hole (204) is used in cooperation with the fixing cap (301). The connection hole (203) is a round hole. The center line of the connection hole (203) coincides with the center line of the hexagonal fixing hole (204).

5. A scraper chain according to claim 1, characterized in that: A reinforcing rib (9) is arranged between the scraper mounting seat (5) and the outer connection unit (2). The reinforcing rib (9) is arranged on the outer side of the scraper mounting seat (5).

6. A scraper chain according to claim 1, characterized in that: A sleeve (7) is sleeved on the connection cylinder (302) and the connection head (303).

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