Large-capacity long-distance belt conveyor

Abstract

The utility model relates to a large-capacity long-distance belt conveyor, which aims to solve the technical problem that the current roller is easy to damage due to long-term bearing of larger pressure, and comprises a rack, a conveying belt is arranged on the rack in a transmission manner, and the large-capacity long-distance belt conveyor further comprises a conveyor roller structure; a plurality of conveyor roller structures are arranged between the conveying belt and the rack at equal intervals; the conveyor roller structure comprises a base, a roller frame and a machine roller. The base is fixedly arranged on the rack; the two sides of the bottom of the roller frame are connected with the two ends of the base through elastic supporting assemblies correspondingly. The three rollers are rotationally arranged on the roller frame in a V shape; wherein the V shape formed by the three machine rollers is in transmission fit with the inner side of the conveying belt, and the coal conveying device has the advantages that gravity from coal on the conveying belt acts on the machine rollers, part of pressure is buffered and released through the elastic supporting assemblies, the pressure instantly borne by the machine rollers is reduced, and the machine rollers are protected.

Description

Technical Field

[0001] The utility model relates to the technical field of belt conveyors, in particular to a large-capacity and long-distance belt conveyor. Background Art

[0002] Coal washing is to separate raw coal of different components and specific gravity into different grades through the impact of water flow, remove dust and waste rock, and reduce ash and sulfur content. Coal washing is an indispensable part of coal processing. The coal after coal washing is called clean coal. Coal washing can not only achieve the purpose of environmental protection but also improve the utilization rate of coal.

[0003] Before coal washing, the coal mined from the mine is transported to the coal washing area by a belt conveyor. The belt conveyor has a long conveying distance and a large conveying volume, so multiple rollers are set between the conveyor frame and the conveyor belt to support it. The existing roller frame is directly fixed to the frame, and the roller bears the heavy pressure of the coal on the conveyor belt. The pressure is all on the roller. The roller is prone to damage if it is subjected to large pressure for a long time.

[0004] In view of this, we propose large-capacity and long-distance belt conveyors. Utility Model Content

[0005] The utility model aims to overcome the deficiencies of the prior art, meet practical needs, and provide a large-capacity and long-distance belt conveyor to solve the technical problem that the current machine rollers are prone to damage due to long-term exposure to high pressure.

[0006] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: designing a large-capacity and long-distance belt conveyor, including a frame, a conveyor belt is driven on the frame, and also includes a conveyor roller structure;

[0007] A plurality of conveyor roller structures are equidistantly arranged between the conveyor belt and the frame;

[0008] The conveyor roller structure comprises a base, a roller frame and a conveyor roller;

[0009] The base is fixed on the frame; the two sides of the bottom of the roller frame are connected to the two ends of the base through elastic support components respectively; three machine rollers are rotatably arranged on the roller frame in a V shape; wherein the V shape formed by the three machine rollers cooperates with the inner side of the conveyor belt in transmission.

[0010] Preferably, the elastic support assembly includes a fixed plate A, a fixed plate B, a sleeve box B, a movable block B and a damping spring;

[0011] The fixed plate A is arranged on the top side of the base; the fixed plate B is fixed on the bottom side of the roller frame; the sleeve box B is fixed on the top side of the fixed plate A; the movable block B is fixed on the bottom side of the fixed plate B; wherein the movable block B is inserted into the opening of the sleeve box B; two damping springs are symmetrically arranged between the fixed plate B and the sleeve box B.

[0012] Preferably, the fixing plate A and the fixing plate B are fixedly connected to the base and the roller frame respectively by screws.

[0013] Preferably, two connecting plates are symmetrically fixed on the bottom side of the fixing plate B, and sliding bars are respectively fixed on the bottom of the opposite sides of the two connecting plates, and the sliding bars are slidably matched with the limiting grooves opened on both sides of the sleeve B.

[0014] Preferably, the inner side of the connecting plate contacts and cooperates with the side end of the sleeve B.

[0015] Preferably, a sleeve frame A is fixedly provided in the middle of the top side of the base, and a movable block A is fixedly provided in the middle of the bottom side of the roller frame, and the movable block A is inserted into the opening of the sleeve frame A.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model has the advantages of arranging a base, a roller frame and an elastic support component, so that the gravity of the coal on the conveyor belt acts on the machine roller, and the elastic support component is used to buffer and unload part of the pressure, thereby reducing the pressure on the machine roller instantaneously and protecting the machine roller, thereby solving the problem that the machine roller 204 is prone to damage due to long-term exposure to large pressure.

[0018] 2. The utility model has the advantages of buffering the machine roller after being pressed, maintaining the lateral stability of the machine roller, reducing the pressure on the machine roller and not affecting the passage of the conveyor belt by arranging the fixed plate A, the fixed plate B, the sleeve box B, the movable block B and the damping spring.

[0019] 3. The utility model has the advantage of maintaining the relative shape of the movable block B and the sleeve box B when the machine roller is buffered and decompressed by arranging the connecting plate, the sliding bar and the limiting groove, and the movable block B is separated from the opening of the sleeve box B.

[0020] 4. The utility model provides the sleeve frame A and the movable block A, so that after the elastic support assembly is disassembled, the movable block A is inserted into the sleeve frame A to support the roller frame and keep the roller frame stable relative to the base. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the conveyor roller structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the elastic support assembly of the utility model;

[0024] Figure 4 This is a schematic diagram of the connection structure of the connection plate of the utility model;

[0025] In the figure: 1. Frame; 2. Conveyor roller structure; 3. Conveyor belt;

[0026] 201, base; 202, elastic support assembly; 203, roller frame; 204, machine roller; 205, sleeve frame A; 206, movable block A;

[0027] 2021. Fixed plate A; 2022. Fixed plate B; 2023. Box B; 2024. Movable block B; 2025. Damping spring; 2026. Screw; 2027. Connecting plate; 2028. Sliding bar; 2029. Limiting groove. DETAILED DESCRIPTION

[0028] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0029] Example 1: Large capacity and long distance belt conveyor, see Figures 1 to 4 , including a frame 1, a conveyor belt 3 is provided on the frame 1 for transmission, and a conveyor roller structure 2; a plurality of conveyor roller structures 2 are arranged equidistantly between the conveyor belt 3 and the frame 1; the conveyor roller structure 2 includes a base 201, a roller frame 203 and a machine roller 204; the base 201 is fixed on the frame 1; the two sides of the bottom of the roller frame 203 are connected to the two ends of the base 201 through elastic support components 202 respectively; three machine rollers 204 are arranged on the roller frame 203 in a V-shaped rotation; wherein the V-shape formed by the three machine rollers 204 cooperates with the inner side of the conveyor belt 3 for transmission. The utility model has the advantages of providing a base 201, a roller frame 203 and an elastic support component 202, so that the gravity of the coal on the conveyor belt 3 acts on the machine roller 204, and the elastic support component 202 is used to buffer and unload part of the pressure, thereby reducing the pressure on the machine roller 204 to be instantly borne, and protecting the machine roller 204, thereby solving the problem that the machine roller 204 is easily damaged due to long-term exposure to large pressure.

[0030] Specifically, the elastic support assembly 202 includes a fixed plate A2021, a fixed plate B2022, a sleeve B2023, a movable block B2024 and a damping spring 2025; the fixed plate A2021 is arranged on the top side of the base 201; the fixed plate B2022 is fixed on the bottom side of the roller frame 203; the sleeve B2023 is fixed on the top side of the fixed plate A2021; the movable block B2024 is fixed on the bottom side of the fixed plate B2022; wherein, the movable block B2024 is inserted into the opening of the sleeve B2023; two damping springs 2025 are symmetrically arranged between the fixed plate B2022 and the sleeve B2023, and the two ends of the damping spring 2025 are fixedly connected to the fixed plate B2022 and the sleeve B2023 respectively, and the elastic coefficient of the damping spring 2025 is selected and used by the technical personnel in this profession according to actual conditions. The utility model has the advantages of buffering the machine roller 204 after being pressurized, maintaining the lateral stability of the machine roller 204, and reducing the pressure on the machine roller 204 without affecting the passage of the conveyor belt 3 by arranging a fixed plate A2021, a fixed plate B2022, a sleeve box B2023, a movable block B2024 and a damping spring 2025.

[0031] Further, the fixing plate A2021 and the fixing plate B2022 are fixedly connected to the base 201 and the roller frame 203 respectively by screws 2026. The fixing plate A2021 and the fixing plate B2022 can be removed by screws 2026, and the damping spring 2025 can be removed separately for replacement after aging and losing elasticity.

[0032] Furthermore, two connecting plates 2027 are symmetrically fixed on the bottom side of the fixed plate B2022, and slide bars 2028 are fixed on the bottom of the opposite sides of the two connecting plates 2027, respectively. The slide bars 2028 are slidably matched with the limiting grooves 2029 opened on both sides of the sleeve box B2023; the inner side of the connecting plate 2027 is in contact with the side end of the sleeve box B2023. The utility model has the advantages of maintaining the relative shape of the movable block B2024 and the sleeve box B2023 when the machine roller 204 is buffered and decompressed by providing the connecting plate 2027, the slide bar 2028 and the limiting groove 2029, and the movable block B2024 is separated from the opening of the sleeve box B2023.

[0033] It is worth noting that a sleeve frame A205 is fixedly provided in the middle of the top side of the base 201, and a movable block A206 is fixedly provided in the middle of the bottom side of the roller frame 203, and the movable block A206 is inserted into the opening of the sleeve frame A205. The utility model has the advantages of inserting the movable block A206 into the sleeve frame A205 to support the roller frame 203 after disassembling the elastic support assembly 202, thereby keeping the roller frame 203 stable relative to the base 201.

[0034] Working principle: With the device of the utility model, the coal mined from the mine is transported to the coal washing place by the conveyor belt 3, and the gravity of the coal on the conveyor belt 3 acts on the machine roller 204. After the roller frame 203 is under pressure, it acts on the fixed plate B2022 and the movable block B2024. The movable block B2024 is inserted into the sleeve box B2023, and the damping spring 2025 is further compressed. The reverse elastic force generated by the compression of the damping spring 2025 is used for buffering, so as to maintain the lateral stability of the machine roller 204, and reduce the pressure on the machine roller 204 without affecting the The conveyor belt 3 passes through; the fixed plate A2021 and the fixed plate B2022 can be removed by loosening the screws 2026. The damping spring 2025 can be removed separately for replacement after aging and losing its elasticity. After removal, the movable block A206 is inserted into the sleeve A205 to support the roller frame 203, keeping the roller frame 203 stable relative to the base 201, and a new damping spring 2025 is replaced. The fixed plate A2021 and the fixed plate B2022 are fixedly connected to the base 201 and the roller frame 203 by screws 2026 respectively, and continue to be used.

[0035] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A large-capacity and long-distance belt conveyor, comprising a frame (1), on which a conveyor belt (3) is provided for transmission, characterized in that: Also includes: A plurality of conveyor roller structures (2) are equidistantly arranged between the conveyor belt (3) and the frame (1); The conveyor roller structure (2) comprises: A base (201) is fixedly mounted on the frame (1); The roller frame (203) has two sides of the bottom connected to the two ends of the base (201) through elastic support components (202) respectively; Three machine rollers (204) are rotatably arranged on the roller frame (203) in a V shape; The V-shape formed by the three machine rollers (204) cooperates with the inner side of the conveyor belt (3) in transmission.

2. The large-capacity and long-distance belt conveyor according to claim 1, characterized in that: The elastic support assembly (202) comprises: A fixing plate A (2021), arranged on the top side of the base (201); A fixed plate B (2022) is fixedly arranged on the bottom side of the roller frame (203); The sleeve box B (2023) is fixedly mounted on the top side of the fixing plate A (2021); A movable block B (2024) is fixedly mounted on the bottom side of the fixed plate B (2022); Wherein, the movable block B (2024) is inserted into the opening of the sleeve box B (2023); Two damping springs (2025) are symmetrically arranged between the fixing plate B (2022) and the sleeve box B (2023).

3. The large-capacity and long-distance belt conveyor according to claim 2, characterized in that: The fixed plate A (2021) and the fixed plate B (2022) are fixedly connected to the base (201) and the roller frame (203) respectively via screws (2026).

4. The large-capacity and long-distance belt conveyor according to claim 2, characterized in that: Two connecting plates (2027) are symmetrically fixed on the bottom side of the fixing plate B (2022), and sliding bars (2028) are respectively fixed on the bottom of the opposite sides of the two connecting plates (2027), and the sliding bars (2028) are slidably matched with the limiting grooves (2029) opened on both sides of the sleeve box B (2023).

5. The large-capacity and long-distance belt conveyor according to claim 4, characterized in that: The inner side of the connecting plate (2027) contacts and cooperates with the side end of the sleeve box B (2023).

6. The large-capacity and long-distance belt conveyor according to claim 1, characterized in that: A sleeve frame A (205) is fixedly arranged in the middle of the top side of the base (201), and a movable block A (206) is fixedly arranged in the middle of the bottom side of the roller frame (203), and the movable block A (206) is inserted into the opening of the sleeve frame A (205).

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