Coal mine belt conveyor facilitating tensioning adjustment

Abstract

The utility model discloses a coal mine belt conveyor convenient for tension adjustment, which belongs to the technical field of belt conveyors and comprises a bottom plate, a plurality of support columns are fixedly connected to the top surface of the bottom plate, a support main frame is fixedly connected to the top ends of the plurality of support columns, and a plurality of support rollers are rotatably connected to the inner side of the support main frame. A length adjusting mechanism is arranged on the side portion of the supporting main frame, and pushing rollers are arranged at the two ends of the length adjusting mechanism respectively. According to the coal mine conveying device, the supporting roller, the pushing roller and the extrusion roller are used for supporting the conveying belt, the servo motor is used for driving the pushing roller to rotate, the pushing roller is used for driving the conveying belt to rotate to convey a coal mine, and when the conveying belt is abraded and loosened, the electric push rod is used for driving the extrusion roller to move downwards to extrude and push the conveying belt; therefore, the conveying belt is tightened, and the practicability of the conveying belt is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of belt conveyors, and more specifically to a coal mine belt conveyor which is convenient for tensioning and adjusting. Background Art

[0002] A coal mine is a reasonable space excavated by humans when they dig geological strata rich in coal. It usually includes tunnels, shafts, and mining faces, etc. Coal is the main solid fuel and a type of combustible organic rock. It is formed by lush plants that grow in a certain geological age. In a suitable geological environment, it gradually accumulates into thick layers and is buried under water or in mud. It is formed by natural coalification over a long geological period. In the mining of coal mines, conveyors are needed to transport the coal.

[0003] After searching, the utility model patent with announcement number CN219362335U discloses a coal mine belt conveyor, including a main frame, a transmission roller, a belt and an idler roller, wherein two groups of transmission rollers are installed on the main frame, the belt is arranged between the two groups of transmission rollers, and multiple groups of idlers are installed on the main frame, a collecting box is installed below the belt, a support plate is fixedly connected to the collecting box, a fixing frame is arranged above the support plate, a cleaning brush is installed on the fixing frame, an adjusting structure is installed on the support plate, the wire drum is fixedly connected to the bottom end of the support plate, and the lifting screw rod passes through the inside of the wire drum; this patent installs the cleaning brush on the adjusting structure that can be raised and lowered, so that the cleaning force of the cleaning brush on the belt can be flexibly adjusted, which is convenient for cleaning different mineral materials attached to the belt, and can collect the cleaned mineral materials to avoid waste of resources.

[0004] However, the above patents still have the following shortcomings: as the belt conveyor is used, the belt, the driving roller and the idler will wear out, the belt will become loose, the driving roller cannot drive the belt well, and it is not convenient to adjust the conveying length of the belt conveyor. Therefore, we propose a coal mine belt conveyor that is easy to adjust the tension. Utility Model Content

[0005] In view of the problems existing in the prior art, the utility model aims to provide a coal mine belt conveyor which is easy to adjust tension.

[0006] In order to solve the above problems, the utility model adopts the following technical solutions:

[0007] A coal mine belt conveyor which is easy to adjust tension, comprises a base plate, a plurality of support columns are fixedly connected to the top surface of the base plate, a support main frame is fixedly connected to the top ends of the plurality of support columns, a plurality of support rollers are rotatably connected to the inner side of the support main frame, a length adjustment mechanism is provided on the side of the support main frame, push rollers are respectively provided at both ends of the length adjustment mechanism, two groups of electric push rods are fixedly installed on the bottom surface of the support main frame, the bottom ends of the two electric push rods are respectively fixedly connected to U-shaped frames, the inner sides of the two U-shaped frames are respectively rotatably connected to squeezing rollers, and the outer sides of the squeezing rollers, push rollers and support rollers are sleeved with conveyor belts.

[0008] As a preferred solution of the utility model, the length adjustment mechanism includes two telescopic boxes fixedly connected to both sides of the supporting main frame, a dual-axis motor is fixedly installed in the middle of the inner cavity of the two telescopic boxes, the two output shafts of the two dual-axis motors are respectively fixedly connected to threaded rods, the outer sides of the threaded rods are threadedly sleeved with telescopic frames, the ends of the telescopic frames extend to the outside of the telescopic boxes, and the two pushing rollers are respectively rotatably connected between the two telescopic frames.

[0009] As a preferred solution of the present invention, a control panel is fixedly mounted on the outer side of one of the support columns.

[0010] As a preferred solution of the utility model, the inner wall of the telescopic box and the side surface of the telescopic frame are in contact with each other.

[0011] As a preferred solution of the utility model, a servo motor is fixedly installed on the outer side of the telescopic frame, and the output shaft of the servo motor is connected to one end of a driving roller shaft.

[0012] As a preferred solution of the utility model, the supporting roller, the pushing roller and the squeezing roller are of the same model.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] (1) In the utility model, the conveyor belt is supported by support rollers, push rollers and squeeze rollers, and the push rollers are driven by a servo motor to rotate, and the push rollers are driven by the conveyor belt to rotate to transport coal. When the conveyor belt is worn and loosened, the squeeze rollers are driven downward by an electric push rod to squeeze and push the conveyor belt, thereby tightening the conveyor belt and improving the practicality of the belt conveyor.

[0015] (2) In the utility model, before use, two dual-axis motors are used to drive four threaded rods to rotate, and the threaded cooperation between the threaded rods and the telescopic frame is used to drive the push rollers at both ends of the telescopic frame to move outward or inward, thereby adjusting the distance between the two push rollers, thereby adjusting the length of the top surface of the conveyor belt arranged on the outside of the two push rollers, and then the electric push rod, U-shaped frame and squeezing roller are used to tighten the conveyor belt, thereby realizing the function of adjusting the coal mine transportation distance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a structural schematic diagram of the main support frame of the utility model;

[0018] Figure 3 It is a cross-sectional schematic diagram of the telescopic box of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the conveyor belt of the utility model.

[0020] Explanation of the numbers in the figure: 1. Base plate; 2. Support column; 3. Support main frame; 4. Support roller; 5. Length adjustment mechanism; 6. Push roller; 7. Electric push rod; 8. U-shaped frame; 9. Squeeze roller; 10. Conveyor belt; 11. Telescopic box; 12. Double-axis motor; 13. Threaded rod; 14. Telescopic frame; 16. Servo motor; 17. Control panel. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" 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 position, be constructed and operated in a specific position, and therefore cannot be understood as limiting 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.

[0023] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "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 indirectly connected 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 utility model can be understood according to specific circumstances.

[0024] Example:

[0025] See also Figure 1-4 A coal mine belt conveyor which is easy to adjust tensioning comprises a bottom plate 1, a plurality of support columns 2 are fixedly connected to the top surface of the bottom plate 1, a support main frame 3 is fixedly connected to the top ends of the plurality of support columns 2, a plurality of support rollers 4 are rotatably connected to the inner side of the support main frame 3, a length adjustment mechanism 5 is arranged on the side of the support main frame 3, a push roller 6 is arranged at both ends of the length adjustment mechanism 5, two groups of electric push rods 7 are fixedly installed on the bottom surface of the support main frame 3, a U-shaped frame 8 is fixedly connected to the bottom ends of the two electric push rods 7, an extrusion roller 9 is rotatably connected to the inner sides of the two U-shaped frames 8, and a conveyor belt 10 is sleeved on the outer sides of the extrusion roller 9, the push roller 6 and the support roller 4.

[0026] For details, please refer to Figures 1 to 3 The length adjustment mechanism 5 includes two telescopic boxes 11 fixedly connected to both sides of the supporting main frame 3, and a dual-axis motor 12 is fixedly installed in the middle of the inner cavity of the two telescopic boxes 11. The two output shafts of the two dual-axis motors 12 are respectively fixedly connected with threaded rods 13, and the outer sides of the threaded rods 13 are threadedly sleeved with telescopic frames 14. The ends of the telescopic frames 14 extend to the outside of the telescopic boxes 11, and the two pushing rollers 6 are respectively rotatably connected between the two telescopic frames 14.

[0027] In this embodiment, the two dual-axis motors 12 are of the same model, ensuring that the two dual-axis motors 12 can drive the multiple threaded rods 13 to rotate synchronously.

[0028] For details, please refer to Figure 2 A control panel 17 is fixedly mounted on the outer side of a supporting column 2 .

[0029] In this embodiment, the control panel 17 is used to control the dual-axis motor 12 , the electric push rod 7 and the servo motor 16 .

[0030] For details, please refer to Figure 3 , the inner wall of the telescopic box 11 and the side of the telescopic frame 14 are in contact with each other.

[0031] In this embodiment, the telescopic frame 14 is limited by the inner wall of the telescopic box 11 , so that the telescopic frame 14 can only move along the axial direction of the threaded rod 13 .

[0032] For details, please refer to Figure 2 A servo motor 16 is fixedly installed on the outer side of a telescopic frame 14, and the output shaft of the servo motor 16 is connected to one end of the rotating shaft of a pushing roller 6.

[0033] In this embodiment, a servo motor 16 is used to drive a push roller 6 to rotate, and the push roller 6 is used to drive the conveyor belt 10 to rotate.

[0034] For details, please refer to Figure 1 and Figure 2 The supporting roller 4, the pushing roller 6 and the squeezing roller 9 are of the same model.

[0035] In this embodiment, it is ensured that the supporting roller 4 , the pushing roller 6 and the squeezing roller 9 can stably support the conveyor belt 10 .

[0036] Working principle: When in use, first start the electric push rod 7 to drive the U-shaped frame 8 and the squeezing roller 9 to move up so that the conveyor belt 10 is in a relaxed state, start the two dual-axis motors 12 to drive the four threaded rods 13 to rotate, and use the threaded cooperation between the threaded rods 13 and the telescopic frame 14 to drive the push rollers 6 at both ends of the telescopic frame 14 to move outward or inward, thereby adjusting the distance between the two push rollers 6, and then start the electric push rod 7 to drive the U-shaped frame 8 and the squeezing roller 9 to move downward, and use the squeezing roller 9 to squeeze the conveyor belt 10, so that the conveyor belt 10 is in a taut state on the outside of the push roller 6, the support roller 4 and the squeezing roller 9, and then start the servo motor 16 to drive a push roller 6 to rotate, and use the push roller 6 to drive the conveyor belt 10 to rotate, and use the conveyor belt 10 to transport the coal mine. Finally, when the conveyor belt 10 is worn during use, the conveyor belt 10 will be relaxed, start the electric push rod 7 to drive the U-shaped frame 8 and the squeezing roller 9 to move downward, and use the squeezing roller 9 to squeeze the conveyor belt 10, so as to tighten the conveyor belt 10.

[0037] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.

Claims

1. A coal mine belt conveyor that is easy to adjust in tension, comprising a bottom plate (1), characterized in that: The top surface of the bottom plate (1) is fixedly connected to a plurality of support columns (2), the top ends of the plurality of support columns (2) are fixedly connected to a support main frame (3), the inner side of the support main frame (3) is rotatably connected to a plurality of support rollers (4), the side of the support main frame (3) is provided with a length adjustment mechanism (5), the two ends of the length adjustment mechanism (5) are respectively provided with push rollers (6), the bottom surface of the support main frame (3) is fixedly installed with two groups of electric push rods (7), the bottom ends of the two electric push rods (7) are respectively fixedly connected to a U-shaped frame (8), the inner sides of the two U-shaped frames (8) are respectively rotatably connected to an extrusion roller (9), and the outer sides of the extrusion roller (9), the push roller (6) and the support roller (4) are sleeved with a conveyor belt (10).

2. A coal mine belt conveyor that is easy to adjust in tension according to claim 1, characterized in that: The length adjustment mechanism (5) comprises two telescopic boxes (11) fixedly connected to both sides of the supporting main frame (3); a dual-axis motor (12) is fixedly installed in the middle of the inner cavity of the two telescopic boxes (11); two output shafts of the two dual-axis motors (12) are respectively fixedly connected to threaded rods (13); the outer sides of the threaded rods (13) are threadedly sleeved with telescopic frames (14); the ends of the telescopic frames (14) extend to the outside of the telescopic boxes (11); and the two pushing rollers (6) are respectively rotatably connected between the two telescopic frames (14).

3. A coal mine belt conveyor that is easy to adjust in tension according to claim 1, characterized in that: A control panel (17) is fixedly mounted on the outer side of one of the support columns (2).

4. A coal mine belt conveyor that is easy to adjust in tension according to claim 2, characterized in that: The inner wall of the telescopic box (11) is in contact with the side surface of the telescopic frame (14).

5. The coal mine belt conveyor that is easy to adjust in tension according to claim 2, characterized in that: A servo motor (16) is fixedly mounted on the outer side of the telescopic frame (14), and the output shaft of the servo motor (16) is connected to one end of a rotating shaft of a pushing roller (6).

6. The coal mine belt conveyor that is easy to adjust in tension according to claim 1, characterized in that: The supporting roller (4), the pushing roller (6) and the squeezing roller (9) are of the same model.

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