Coal drop point centering device

Abstract

The utility model discloses a coal falling point center aligner, include: coal falling baffle, two coal falling baffle set up in coal falling square tube opposite two side walls, through two coal falling baffle gradually reduce the passage in coal falling square tube, the coal that falls is guided in the center place of the conveyer belt below coal falling square tube, coal falling baffle includes: deflector, two deflector symmetry sets up on coal falling square tube wall, and two deflectors gradually reduce from the side close to coal falling square tube wall to the side away from coal falling square tube wall, and two deflectors gradually reduce to away from adjacent place at adjacent place, install in coal falling pipe export place, and the coal is accurately fallen to the belt center through the structure optimization, and the hidden danger of deviation is eliminated from the source. Its simple structure, strong wear resistance can improve the stability of conveying system significantly, reduce maintenance cost.

Description

Technical Field

[0001] This utility model relates to the technical field of equipment in coal, mining, metallurgy, power generation, warehousing, and port transportation, and specifically to a coal drop point center aligner, which aims to solve the problem of belt misalignment caused by coal drop point eccentricity and improve the stability and service life of the conveying system. Background Technology

[0002] In material conveying systems in coal mines, power plants, and other fields, belt conveyors are one of the core pieces of equipment. In existing technologies, when coal falls onto the belt through the chutes, if the point of contact deviates from the belt's centerline, it leads to uneven stress on both sides of the belt, causing belt misalignment. Belt misalignment not only exacerbates equipment wear and increases maintenance costs but can also cause material spillage and even safety accidents. Although existing technologies use self-aligning idlers or correction devices for adjustment, these methods are mostly passive adjustments and cannot fundamentally solve the problem of misalignment at the coal drop point. Therefore, there is an urgent need for a device that can actively guide coal to the center of the belt. Utility Model Content

[0003] To address the problems existing in the prior art, this utility model provides a coal drop point center aligner, installed at the outlet of the coal drop pipe. Through structural optimization, it ensures that the coal falls accurately to the center of the conveyor belt, eliminating the risk of deviation at its source. Its simple structure and high wear resistance significantly improve the stability of the conveying system and reduce maintenance costs.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is: a coal dropping point center aligner, comprising: a coal dropping baffle, two of which are disposed on two opposite side walls of a coal dropping square tube. By gradually narrowing the channel in the coal dropping square tube through the two coal dropping baffles, the falling coal is guided to the center of the conveyor belt below the coal dropping square tube. The coal dropping baffle also includes: a guide plate, two of which are symmetrically disposed on the tube wall of the coal dropping square tube. The two guide plates gradually decrease from the side closer to the tube wall of the coal dropping square tube to the side farther away from the tube wall of the coal dropping square tube, and the two guide plates gradually decrease from adjacent to distant from each other.

[0005] Furthermore, the two guide plates in the coal drop baffle are fixed together.

[0006] Furthermore, the coal drop baffle is installed on the wall of the coal drop square tube by a fixed bracket.

[0007] Furthermore, the guide plate has a flat plate structure.

[0008] Furthermore, the two guide plates in the coal drop baffle are movable structures, meaning that adjacent sides of the two guide plates are hinged together.

[0009] Furthermore, the coal falling baffle is installed in the coal falling square tube via an adjusting bracket.

[0010] Furthermore, the adjusting bracket includes: a fixed bracket, a screw mechanism, and adjusting rods. The fixed bracket is installed on the coal drop square tube, the screw mechanism is installed on the fixed bracket, and the two ends of the plurality of adjusting rods are respectively hinged to the adjusting nut of the screw mechanism and the back of the guide plate. By rotating the adjusting screw, the inclination of the guide plate can be adjusted.

[0011] Furthermore, the guide plate is placed on the side wall of the coal drop tube near the coal drop tube, and a fixed support is placed below the connection position between the guide plate and the adjusting rod.

[0012] Furthermore, the guide plate is a flat plate or an arc-shaped structure.

[0013] Furthermore, it also includes: a flanged coal chute, with two of the aforementioned coal chute baffles installed on opposite side walls of the flanged coal chute.

[0014] The beneficial effects of this utility model are: it can actively control the coal flow point, prevent belt misalignment from the source, reduce reliance on correction devices, and has a simple and reliable structure, convenient installation and maintenance, strong adaptability, and wear-resistant design that significantly extends the life of the device and reduces replacement costs. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main view structure of Example 1;

[0016] Figure 2 This is a top view of the structure of Example 1;

[0017] Figure 3 This is a schematic diagram of the left-side structure of Example 1;

[0018] Figure 4 This is a schematic diagram of the left-side structure of Example 2;

[0019] Figure 5 This is a schematic diagram of the main view structure of Example 2;

[0020] Figure 6 This is a top view of the structure of Example 2;

[0021] Figure 7 This is a schematic diagram illustrating the working principle of Example 1-2;

[0022] Figure 8 This is a schematic diagram of the main view structure of Example 3;

[0023] Figure 9 This is a top view of the structure of Example 3;

[0024] Figure 10 This is a schematic diagram of the left-side structure of Example 3;

[0025] Figure 11 This is a schematic diagram of the left-side structure of Example 4;

[0026] Figure 12 This is a schematic diagram of the main view structure of Example 4;

[0027] Figure 13 This is a top view of the structure of Example 4;

[0028] Figure 14 This is a schematic diagram illustrating the working principle of Example 3-4;

[0029] Figure 15 This is a schematic diagram of the structure of Example 1 and the flanged coal chute.

[0030] Figure 16 This is a schematic diagram of the structure of Example 2 and the flanged coal chute.

[0031] Figure 17 This is a schematic diagram of the structure of Example 3 and the flanged coal chute.

[0032] Figure 18 This is a schematic diagram of the structure of Example 4 and the flanged coal chute.

[0033] In the diagram: 1. Guide plate; 2. Fixed bracket; 3. Screw mechanism; 4. Adjusting rod; 5. Flange-type coal drop tube. Detailed Implementation

[0034] 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. However, it should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit its scope.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention.

[0036] Example 1

[0037] like Figure 1-3As shown in Figure 7, a coal drop point center aligner includes: a coal drop baffle, two of which are disposed on opposite side walls of a coal drop square tube. The two coal drop baffles gradually narrow the channel in the coal drop square tube, guiding the falling coal to the center of the conveyor belt below the coal drop square tube. The coal drop baffle includes: a guide plate 1, two of which are symmetrically disposed on the tube wall of the coal drop square tube. The two guide plates 1 gradually decrease from the side closer to the tube wall to the side farther away from the tube wall, and the adjacent parts of the two guide plates 1 gradually decrease towards the distance from the adjacent parts.

[0038] The two guide plates 1 in the coal falling baffle are fixed together. The coal falling baffle is installed on the pipe wall of the coal falling square tube by a fixed bracket 2. The structure with the higher middle part of the two guide plates 1 can divide the falling coal into front and back and place it for accumulation. The two symmetrically arranged coal falling baffles are arranged around the circumference of the coal falling square tube outlet to form a gradually narrowing channel and guide the coal flow to converge towards the center.

[0039] The deflector plate 1 is a flat plate structure, such as a triangular or trapezoidal flat plate structure.

[0040] The guide plate 1 is also equipped with a wear-resistant liner, which is embedded in the surface of the guide plate 1 and is made of high-hardness alloy material to reduce the erosion and wear of the coal flow and extend its service life.

[0041] The fixed bracket 2 and the two guide plates 1 form a triangular prism structure to improve stability.

[0042] Example 2

[0043] like Figure 4-6 As shown in Figure 7, a coal drop point center aligner includes: a coal drop baffle, two of which are disposed on opposite side walls of a coal drop square tube. The two coal drop baffles gradually narrow the channel in the coal drop square tube, guiding the falling coal to the center of the conveyor belt below the coal drop square tube. The coal drop baffle includes: a guide plate 1, two of which are symmetrically disposed on the tube wall of the coal drop square tube. The two guide plates 1 gradually decrease from the side closer to the tube wall to the side farther away from the tube wall, and the adjacent parts of the two guide plates 1 gradually decrease towards the distance from the adjacent parts.

[0044] The two guide plates 1 in the coal drop baffle are movable structures, that is, the adjacent sides of the two guide plates 1 are hinged together. They can be hinged by hinges or pins to ensure that the two guide plates 1 can swing along adjacent positions.

[0045] The coal drop baffle is installed in the coal drop square tube by adjusting the bracket. The angle of the two guide plates 1 in the coal drop baffle is adjusted by adjusting the bracket to adjust the coal drop guide range and speed.

[0046] The adjusting support includes: a fixed support 2, a screw mechanism 3, and adjusting rods 4. The fixed support 2 is installed on the coal chute, and the screw mechanism 3 is installed on the fixed support 2. The screw structure includes a screw and a nut installed on the screw. Both ends of the screw are installed on the fixed support 2 through bearing seats, and one end of the screw extends out of the coal chute, allowing the screw to be rotated outside the coal chute. The two ends of the multiple adjusting rods 4 are respectively hinged to the adjusting nut of the screw mechanism 3 and the back of the guide plate 1. By rotating the adjusting screw, the inclination of the guide plate 1 is adjusted. The guide plate 1 is placed on the side wall of the coal chute, close to the side of the coal chute, and placed on the fixed support 2 below the connection position between the guide plate 1 and the adjusting rods 4 to ensure the stability of the guide plate 1 structure.

[0047] The deflector plate 1 is a flat plate or an arc-shaped structure; the flat plate structure is such as a triangular or trapezoidal flat plate structure, and the arc-shaped structure is such as a triangular or trapezoidal arc plate or a fan-shaped plate structure.

[0048] The guide plate 1 is also equipped with a wear-resistant liner, which is embedded in the surface of the guide plate 1 and is made of high-hardness alloy material to reduce the erosion and wear of the coal flow and extend its service life.

[0049] This adjustable bracket is used to dynamically adjust the tilt angle of the guide plate 1 to adapt to different coal flow rates and coal drop pipe sizes.

[0050] The two fixed supports 2 in the same coal drop point center aligner can be installed together to improve the overall stress of the coal drop point center aligner.

[0051] Fixed bracket 2 is a triangular prism structure bracket, which improves stability.

[0052] Example 3

[0053] like Figure 8-10 As shown in Figure 14, based on Example 1, the two fixed supports 2 in the same coal drop point center aligner can be installed together, improving the overall stress of the coal drop point center aligner.

[0054] Example 4

[0055] like Figure 11-14 As shown, based on Example 2, the two fixed supports 2 in the same coal drop point center aligner can be installed together to improve the overall stress of the coal drop point center aligner.

[0056] The fixed bracket 2 makes the axis of symmetry of the guide plate 1 perpendicular to the center line of the belt.

[0057] In Examples 2 and 4, the angle of the guide plate 1 is calibrated by adjusting the nut in the screw mechanism 3 to ensure the coal flow convergence effect. When the coal flow rate increases, the tilt angle of the guide plate 1 can be appropriately increased to enhance the guiding effect of the coal flow. The adjustment mechanism can finely adjust the angle of the guide plate 1 according to the actual working conditions to ensure the stable centering effect of the coal flow.

[0058] In examples 1-4 above, the coal was directly installed into the existing coal chute, which required long downtime and on-site construction each time. Therefore, an improvement was made by adding a flanged coal chute 5, such as... Figure 14-18 As shown, the two coal-falling baffles are set on the two opposite side walls of the flange-type coal-falling square tube 5 to form a whole. During construction, the flange-type coal-falling square tube 5 with the coal-falling baffles can be directly installed at the coal-falling square tube. This installation and replacement is more convenient.

[0059] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A coal drop point center alignment device, characterized in that, include: The coal falling baffles are arranged on two opposite side walls of the coal falling square tube. The two coal falling baffles gradually narrow the channel in the coal falling square tube, guiding the falling coal to the center of the conveyor belt below the coal falling square tube. The coal falling baffles include: guide plates, two guide plates are symmetrically arranged on the tube wall of the coal falling square tube. The two guide plates gradually decrease from the side closer to the tube wall to the side farther away from the tube wall, and the two guide plates gradually decrease from adjacent to distant from each other.

2. The coal drop point center aligner according to claim 1, characterized in that, The two guide plates in the coal falling baffle are fixed together.

3. The coal drop point center aligner according to claim 2, characterized in that, The coal drop baffle is installed on the wall of the coal drop square tube by a fixed bracket.

4. A coal drop point center aligner according to claim 3, characterized in that, The guide plate has a flat plate structure.

5. A coal drop point center aligner according to claim 2, characterized in that, The two guide plates in the coal drop baffle are movable structures, meaning that adjacent sides of the two guide plates are hinged together.

6. A coal drop point center aligner according to claim 5, characterized in that, The coal falling baffle is installed in the coal falling square tube by means of an adjusting bracket.

7. A coal drop point center aligner according to claim 6, characterized in that, The adjusting support includes: a fixed support, a screw mechanism, and adjusting rods. The fixed support is installed on the coal drop square tube, and the screw mechanism is installed on the fixed support. The two ends of the plurality of adjusting rods are respectively hinged to the adjusting nut of the screw mechanism and the back of the guide plate. By rotating the adjusting screw, the inclination of the guide plate can be adjusted.

8. A coal drop point center aligner according to claim 7, characterized in that, The guide plate is placed on the side wall of the coal drop tube near the coal drop tube, and on a fixed support below the connection position between the guide plate and the adjusting rod.

9. A coal drop point center aligner according to claim 6, characterized in that, The guide plate is a flat plate or an arc-shaped structure.

10. A coal drop point center aligner according to any one of claims 1-9, characterized in that, Also includes: The flanged coal chute has two coal chute baffles installed on opposite side walls.

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