Anti-blocking mechanical transmission device for pulverized coal pipeline

Abstract

The application discloses a kind of anti-clogging special mechanical transmission device of pulverized coal pipeline, it is related to pulverized coal pipeline technical field, including conveying pipe, the inside of conveying pipe is shaped with the first inner cavity for pulverized coal conveying, wind pipe, the inside of wind pipe is shaped with the second inner cavity for conveying wind force, the second inner cavity is fixed with fixed box inside by welding, stirring mechanism.The application is stirred by being provided with stirring mechanism, fan rotation drives rotating lever rotation, rotating lever rotation drives first bevel gear rotation, first bevel gear rotation drives second bevel gear rotation, second bevel gear rotation drives rotating column rotation, rotating column rotation drives stirring blade rotation, stirring blade rotation and the pulverized coal in the first inner cavity in conveying pipe inside are stirred, by this structure, it is favorable to the operation of pulverized coal conveying stirring and dispersing, avoid the situation that pulverized coal agglomerates appears in conveying pipe inside, to avoid the situation that pulverized coal blockage appears in conveying pipe inside.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coal powder pipeline, in particular to a special mechanical transmission device for anti-blocking coal powder pipeline. BACKGROUND

[0002] Coal powder refers to coal with a particle size less than 0.5 mm, which is the most commonly used additive in cast iron type sand. In recent years, foreign countries have mixed coal powder substances with clay to form a commodity (carbon clay) for the market. The addition of coal powder to wet sand for cast iron can prevent casting surface sand sticking defects, improve the surface finish of the casting, and reduce sand inclusion defects, improve the collapse function of the sand, and effectively prevent the occurrence of subcutaneous porosity for wet type ductile iron parts. A circular vortex flow burner can be used, and the air does not need to be preheated.

[0003] At present, coal powder is mainly transported by wind power. The wind blows the coal powder to move inside the conveying pipe. However, due to moisture, the coal powder sticks together and forms large blocks during transportation. The blocks move slowly in the wind transportation. When the blocky coal powder passes through the elbow of the conveying pipe, the wind blowing is blocked. If the number of blocky coal powder is large, the inner wall of the elbow of the conveying pipe is easily blocked, which is not conducive to the normal transportation of coal powder. Therefore, a special mechanical transmission device for anti-blocking coal powder pipeline is provided. SUMMARY

[0004] The purpose of the present application is to solve the problem of blockage at the elbow of the conveying pipe, and to provide a special mechanical transmission device for anti-blocking coal powder pipeline.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a special mechanical transmission device for anti-blocking coal powder pipeline, comprising a conveying pipe, a first inner cavity for conveying coal powder is formed in the inside of the conveying pipe, a wind power pipe for providing blowing power is fixed on one side of the conveying pipe by welding, a second inner cavity for conveying wind power is formed in the inside of the wind power pipe, a fixed box is fixed in the inside of the second inner cavity by welding, a stirring mechanism, the stirring mechanism comprises a fan arranged in the inside of the second inner cavity for rotation, one end of the fixed box is provided with a rotating column penetrating into the inside of the first inner cavity, a plurality of stirring blades for stirring and dispersing coal powder are fixed on the outer wall of the rotating column.

[0006] A material guiding mechanism, the material guiding mechanism comprises a material guiding plate arranged in the first inner cavity, and a rotating rod extending to the inner wall of the conveying pipe is fixed at the bottom end of the material guiding plate by welding.

[0007] As a further further scheme of the present application: the stirring mechanism further comprises a rotating rod fixed to the bottom end of the fan and extending into the fixed box, the bottom end of the rotating rod is fixed with a first bevel gear by welding, one end of the first bevel gear is engaged with a second bevel gear, and one end of the second bevel gear is fixedly connected with the rotating column.

[0008] As a further further scheme of the present application: the rotating rod is rotatably connected with the inner wall of the fixed box through a bearing, and the bottom end of the first bevel gear is rotatably connected with the inner wall of the fixed box through a rotating shaft.

[0009] As a further further scheme of the present application: the rotating column is rotatably connected with the inner walls of the fixed box and the conveying pipe through bearings at both ends, and a sealing element is arranged at the connection between the rotating column and the conveying pipe.

[0010] As a further further scheme of the present application: the conveying pipe is formed with ventilation grooves near one end of the wind pipe, the ventilation grooves are arranged in multiple and uniformly distributed on the outer wall of the conveying pipe.

[0011] As a further further scheme of the present application: the material guiding mechanism further comprises a rotating disc fixed to one end of the rotating column, a moving rod is slidably connected with the inner wall of the conveying pipe, the bottom end of the rotating disc is in contact with the top end of the moving rod, one end of the moving rod is fixed with a connecting block by welding, the bottom end of the connecting block is provided with a spring fixedly connected with the inner wall of the conveying pipe, the two sides of the moving rod are fixed with a rack by welding, one end of the rack is engaged with a first spur gear, one side of the first spur gear is connected with a second spur gear through a connecting shaft, one end of the second spur gear is engaged with a third spur gear, and one side of the third spur gear is fixedly connected with the rotating rod by welding.

[0012] As a further further scheme of the present application: the outer wall of the rotating disc is formed with a protrusion, the outer wall of the protrusion is arc-shaped, the top end of the moving rod is arc-shaped, and the inner wall of the conveying pipe is formed with a sliding groove matched with the moving rod.

[0013] As a further further scheme of the present application: one side of the first spur gear is rotatably connected with the inner wall of the conveying pipe through a rotating shaft, one side of the second spur gear is connected with an L-shaped rod through a rotating shaft, the L-shaped rod is fixedly connected with the inner wall of the conveying pipe, the bottom end of the third spur gear is connected with a cross rod through a rotating shaft, and the cross rod is fixedly connected with the L-shaped rod.

[0014] As a further further scheme of the present application: the inner wall of the conveying pipe is formed with a groove matched with the rotating track of the rotating rod, and the top end of the material guiding plate is formed with an arc-shaped groove.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] By setting the stirring mechanism, the fan rotates to drive the rotating rod to rotate, the rotating rod rotates to drive the first bevel gear to rotate, the first bevel gear rotates to drive the second bevel gear to rotate, the second bevel gear rotates to drive the rotating column to rotate, and the rotating column rotates to drive the stirring blade to rotate, and the stirring blade rotates and stirs the coal powder in the first inner cavity in the conveying pipe, which is beneficial to the operation of stirring and scattering the conveyed coal powder, avoids the situation that the coal powder is caked in the conveying pipe, and further avoids the situation that the coal powder is blocked in the conveying pipe. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present application;

[0018] Figure 2 It is a conveying pipe and a first view angle internal structure schematic diagram of the wind pipe of the present application;

[0019] Figure 3 It is a Figure 2 enlarged structure schematic diagram of A in the present application;

[0020] Figure 4 It is a conveying pipe and a second view angle internal structure schematic diagram of the wind pipe of the present application;

[0021] Figure 5 It is a Figure 4 enlarged structure schematic diagram of B in the present application;

[0022] Figure 6 It is a conveying pipe and a third view angle internal structure schematic diagram of the wind pipe of the present application;

[0023] Figure 7 It is a Figure 6 enlarged structure schematic diagram of C in the present application.

[0024] In the figure: 1, conveying pipe; 2, wind pipe; 3, fixed box; 4, stirring mechanism; 401, fan; 402, rotating rod; 403, first bevel gear; 404, second bevel gear; 405, rotating column; 406, stirring blade; 5, material guiding mechanism; 501, rotating disc; 502, moving rod; 503, connecting block; 504, spring; 505, rack; 506, first spur gear; 507, second spur gear; 508, third spur gear; 509, rotating rod; 510, material guiding plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the coal powder pipeline technical field without creative labor are within the scope of protection of the present application.

[0026] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art of coal powder pipeline technology, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The embodiments of the present application will be described below according to the overall structure of the present application.

[0027] Please refer to Figures 1 to 7 In the embodiment of the present application, a special mechanical transmission device for preventing the coal powder pipeline from being blocked includes a conveying pipe 1, a first inner cavity for conveying coal powder is formed in the inside of the conveying pipe 1, a wind pipe 2 for providing blowing power is fixed on one side of the conveying pipe 1 by welding, a second inner cavity for conveying wind power is formed in the inside of the wind pipe 2, a fixed box 3 is fixed in the inside of the second inner cavity by welding, a stirring mechanism 4, the stirring mechanism 4 includes a fan 401 arranged in the inside of the second inner cavity for rotation, one end of the fixed box 3 is provided with a rotating column 405 penetrating into the inside of the first inner cavity, a plurality of stirring blades 406 for stirring and dispersing coal powder are fixed on the outer wall of the rotating column 405;

[0028] A material guiding mechanism 5, the material guiding mechanism 5 includes a material guiding plate 510 arranged in the first inner cavity, the bottom end of the material guiding plate 510 is fixed with a rotating rod 509 extending to the inner wall of the conveying pipe 1 by welding.

[0029] In this embodiment: the conveying pipe 1 is used for conveying coal powder, the wind pipe 2 is used for conveying the wind power output by the external fan, the conveyed wind power is used to provide power for coal powder conveying, the setting of the stirring mechanism 4 is conducive to the stirring and dispersing operation of the conveyed coal powder, avoiding the situation that the coal powder in the conveying pipe 1 is agglomerated, thereby avoiding the situation that the coal powder in the conveying pipe 1 is blocked, the setting of the material guiding mechanism 5 is conducive to protecting the inner wall of the bend of the conveying pipe 1, reducing the impact force of the coal powder on the inner wall of the bend of the conveying pipe 1, thereby improving the service life of the conveying pipe 1.

[0030] Please focus on Figure 1 , 2 , the stirring mechanism 4 further comprises a rotating rod 402 fixed to the bottom end of the fan 401 by welding and extending into the inside of the fixed box 3, the bottom end of the rotating rod 402 is fixed with a first bevel gear 403 by welding, one end of the first bevel gear 403 is engaged with a second bevel gear 404, one end of the second bevel gear 404 is fixedly connected with a rotating column 405; the rotating rod 402 is rotatably connected with the inner wall of the fixed box 3 through a bearing, the bottom end of the first bevel gear 403 is rotatably connected with the inner wall of the fixed box 3 through a rotating shaft; both ends of the rotating column 405 are rotatably connected with the inner wall of the fixed box 3 and the conveying pipe 1 through bearings, and a sealing element is arranged at the connection between the rotating column 405 and the conveying pipe 1; a plurality of ventilation grooves are formed on the end of the conveying pipe 1 close to the wind power pipe 2, and are uniformly distributed on the outer wall of the conveying pipe 1.

[0031] In this embodiment: the air inlet of the wind power pipe 2 is connected with an external conveying fan, the external fan works to send air into the second inner cavity in the wind power pipe 2, and then the pulverized coal is conveyed into the first inner cavity in the conveying pipe 1, the air in the wind power pipe 2 is sent into the first inner cavity in the conveying pipe 1 through the ventilation grooves on the outer wall of the conveying pipe 1, the air entering the first inner cavity provides a thrust to the pulverized coal in the first inner cavity, thereby driving the pulverized coal to move, at the same time the wind drives the fan 401 to rotate, the fan 401 drives the rotating rod 402 to rotate, the rotating rod 402 drives the first bevel gear 403 to rotate, the first bevel gear 403 drives the second bevel gear 404 to rotate, the second bevel gear 404 drives the rotating column 405 to rotate, the rotating column 405 drives the stirring blade 406 to rotate, the stirring blade 406 rotates and stirs the pulverized coal in the first inner cavity in the conveying pipe 1, through this structure, it is beneficial to the operation of stirring and scattering the conveyed pulverized coal, avoiding the situation that the pulverized coal in the conveying pipe 1 is caked, thereby avoiding the situation that the conveying pipe 1 is blocked by the pulverized coal.

[0032] Please focus on Figures 2 to 7The material guiding mechanism 5 further comprises a rotating disc 501 fixed to one end of the rotating column 405 by welding, the inner wall of the conveying pipe 1 is slidably connected with a moving rod 502, the bottom end of the rotating disc 501 is in contact with the top end of the moving rod 502, one end of the moving rod 502 is fixed with a connecting block 503 by welding, the bottom end of the connecting block 503 is provided with a spring 504 fixedly connected with the inner wall of the conveying pipe 1, the two sides of the moving rod 502 are fixed with a rack 505 by welding, one end of the rack 505 is engaged with a first spur gear 506, one side of the first spur gear 506 is connected with a second spur gear 507 through a connecting shaft, one end of the second spur gear 507 is engaged with a third spur gear 508, one side of the third spur gear 508 is fixedly connected with a rotating rod 509 through welding; the outer wall of the rotating disc 501 is formed with a protrusion, the outer wall of the protrusion is arc-shaped, the top end of the moving rod 502 is arc-shaped, and the inner wall of the conveying pipe 1 is formed with a sliding groove matched with the moving rod 502; one side of the first spur gear 506 is rotatably connected with the inner wall of the conveying pipe 1 through a rotating shaft, one side of the second spur gear 507 is connected with an L-shaped rod through a rotating shaft, the L-shaped rod is fixedly connected with the inner wall of the conveying pipe 1, and the bottom end of the third spur gear 508 is connected with a cross rod through a rotating shaft, and the cross rod is fixedly connected with the L-shaped rod; the inner wall of the conveying pipe 1 is formed with a groove matched with the rotating track of the rotating rod 509, and the top end of the material guiding plate 510 is formed with an arc-shaped groove.

[0033] In the coal powder conveying process, the rotating column 405 drives the rotating disc 501 to rotate, the rotating disc 501 drives the protrusion on the outer wall of the rotating disc 501 to rotate, the protrusion on the outer wall of the rotating disc 501 drives the moving rod 502 to move downwards, the moving rod 502 drives the connecting block 503 to move downwards, the spring 504 is compressed under stress, the moving rod 502 drives the rack 505 to move while moving, the rack 505 drives the first spur gear 506 to rotate, the first spur gear 506 drives the second spur gear 507 to rotate, the second spur gear 507 drives the third spur gear 508 to rotate, the third spur gear 508 drives the rotating rod 509 to rotate, the rotating rod 509 drives the material guiding plate 510 to rotate upwards, the material guiding plate 510 rotates and pushes the coal powder passing through the top end of the material guiding plate 510 upwards, the pushing force of the material guiding plate 510 is reduced, and the impact force of the coal powder on the inner wall of the bend of the conveying pipe 1 is reduced; when the protrusion on the outer wall of the rotating disc 501 is separated from the moving rod 502, the spring 504 is reset to drive the moving rod 502 to reset and move, the moving rod 502 resets and moves to drive the material guiding plate 510 to reset and rotate through mechanical transmission, and the coal powder conveying operation in the bend is continuously repeated, so that the impact force of the coal powder on the inner wall of the bend of the conveying pipe 1 is reduced, the scattered coal powder is shaken through the reciprocating pushing operation, and the normal operation of the coal powder conveying operation in the bend is ensured.

[0034] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art of the pulverized coal pipeline technology field, according to the technical solution and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A mechanical transmission device for preventing clogging of a pulverized coal pipeline, comprising a conveying pipe (1) having a first inner cavity for conveying pulverized coal formed in the inside of the conveying pipe (1), a wind pipe (2) for providing blowing force fixed to one side of the conveying pipe (1) by welding, the wind pipe (2) having a second inner cavity for conveying wind force formed in the inside of the wind pipe (2), and a fixing box (3) fixed to the inside of the second inner cavity by welding, characterized in that, The stirring mechanism (4) comprises a fan (401) arranged inside the second inner cavity for rotation, one end of the fixed box (3) is provided with a rotating column (405) penetrating into the inside of the first inner cavity, and the outer wall of the rotating column (405) is fixed with a plurality of stirring blades (406) for stirring and dispersing the pulverized coal; The material guiding mechanism (5) comprises a material guiding plate (510) arranged in the first inner cavity, and the bottom end of the material guiding plate (510) is fixed with a rotating rod (509) extending to the inner wall of the conveying pipe (1) through welding. The stirring mechanism (4) further comprises a rotating rod (402) fixed to the bottom end of the fan (401) and extending to the inside of the fixed box (3) through welding, the bottom end of the rotating rod (402) is fixed with a first bevel gear (403), one end of the first bevel gear (403) is engaged with a second bevel gear (404), and one end of the second bevel gear (404) is fixedly connected with the rotating column (405). The material guiding mechanism (5) further comprises a rotating disc (501) fixed to one end of the rotating column (405), the inner wall of the conveying pipe (1) is slidably connected with a moving rod (502), the bottom end of the rotating disc (501) is in contact with the top end of the moving rod (502), one end of the moving rod (502) is fixed with a connecting block (503) through welding, the bottom end of the connecting block (503) is provided with a spring (504) fixedly connected with the inner wall of the conveying pipe (1), the two sides of the moving rod (502) are fixed with a rack (505) through welding, one end of the rack (505) is engaged with a first spur gear (506), one side of the first spur gear (506) is connected with a second spur gear (507) through a connecting shaft, one end of the second spur gear (507) is engaged with a third spur gear (508), and one side of the third spur gear (508) is fixedly connected with the rotating rod (509) through welding. The outer wall of the rotating disc (501) is shaped as a convex block, the outer wall of the convex block is shaped as an arc surface, the top end of the moving rod (502) is shaped as an arc surface, and the inner wall of the conveying pipe (1) is shaped as a sliding groove matched with the moving rod (502).

2. A mechanical transmission device for preventing blockage of a pulverized coal pipeline according to claim 1, wherein The rotating rod (402) is rotatably connected with the inner wall of the fixed box (3) through a bearing, and the bottom end of the first bevel gear (403) is rotatably connected with the inner wall of the fixed box (3) through a rotating shaft.

3. A mechanical transmission device for preventing blockage of a pulverized coal pipeline according to claim 2, wherein The two ends of the rotating column (405) are rotatably connected with the inner walls of the fixed box (3) and the conveying pipe (1) through bearings, and a sealing element is arranged at the connection between the rotating column (405) and the conveying pipe (1).

4. A mechanical transmission device for preventing blockage of a pulverized coal pipeline according to claim 3, wherein An air vent groove is formed at one end of the conveying pipe (1) close to the wind pipe (2), a plurality of air vent grooves are arranged on the outer wall of the conveying pipe (1) and are uniformly distributed.

5. A mechanical transmission device for preventing the blockage of a pulverized coal pipeline according to claim 4, characterized in that, One side of the first spur gear (506) is rotatably connected with the inner wall of the conveying pipe (1) through a rotating shaft, one side of the second spur gear (507) is connected with an L-shaped rod through a rotating shaft, the L-shaped rod is fixedly connected with the inner wall of the conveying pipe (1), and the bottom end of the third spur gear (508) is connected with a cross rod through a rotating shaft, and the cross rod is fixedly connected with the L-shaped rod.

6. A mechanical transmission device for preventing blockage of a pulverized coal pipeline according to claim 5, wherein The inner wall of the conveying pipe (1) is formed with a groove matched with the rotating track of the rotating rod (509), and the top end of the guide plate (510) is formed with an arc-shaped groove.

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