Uniform coaling mechanism for boiler coal bunker

Abstract

The utility model provides a uniform coaling mechanism for a coal bunker of a boiler, which comprises a support and a conveying belt obliquely arranged on the support and used for conveying coals, and is characterized in that a first mounting frame is further fixed on the support and located below the discharge end of the conveying belt, and a second mounting frame is further fixed on the support and located below the discharge end of the conveying belt. A fixed material guide rail is obliquely installed on the first installation frame, a movable material guide rail is connected to the fixed material guide rail in a sliding mode, the movable material guide rail is connected with a driving mechanism capable of enabling the movable material guide rail to stretch and retract back and forth, a trumpet-shaped discharging hopper is installed on the movable material guide rail, a first power motor is installed on the discharging hopper, and a second power motor is installed on the second power motor. An output shaft of the first power motor is arranged upwards, and a regulation and control swing piece is fixed to the end of the output shaft of the first power motor.

Description

Technical Field

[0001] The utility model belongs to the technical field of machinery and relates to a uniform coal feeding mechanism used for a boiler coal bunker. Background Art

[0002] A boiler is an energy conversion device. The energy input to the boiler includes chemical energy and electrical energy in the fuel, and the boiler outputs steam, high-temperature water or organic heat carrier with a certain amount of thermal energy. Coal is one of the fuels of the boiler. Coal is added to the coal bunker from a fixed position on the top of the coal bunker to form a conical coal pile, and then a pulverized coal area is formed in the middle and a lump coal area is formed on the edge. The uneven distribution of the particle size of the powder will lead to poor combustion of the subsequent boiler. Therefore, it is necessary to design a uniform coal feeding mechanism for the boiler coal bunker. Summary of the invention

[0003] The utility model aims to solve the above problems in the prior art and proposes a uniform coal feeding mechanism for a boiler coal bunker.

[0004] The purpose of the utility model can be achieved through the following technical solutions: a uniform coal feeding mechanism for a boiler coal bunker, comprising a bracket, on which a transport belt for transporting coal is obliquely arranged, characterized in that a mounting frame is also fixed on the bracket, and the mounting frame is located below the discharge end of the transport belt, a fixed guide rail is obliquely installed on the mounting frame, a movable guide rail is slidably connected to the fixed guide rail, the movable guide rail is connected to a driving mechanism that can enable it to retract back and forth, a trumpet-shaped discharge hopper is installed on the movable guide rail, a power motor is installed on the discharge hopper, and the output shaft of the power motor is arranged upward, and a regulating pendulum is fixed to the end of the output shaft of the power motor.

[0005] The regulating ornament is provided with a triangular auxiliary head.

[0006] The driving mechanism includes a second power motor, a driving handle, a transverse guide rod and a T-bar. The transverse guide rod is fixed to the coal bunker through a second mounting frame. The T-bar is horizontally slidably connected to the transverse guide rod. The T-bar has a vertically arranged guide groove, and a slider is provided in the guide groove. The second power motor is fixed to the transverse guide rod through a mounting rod, and the output shaft of the second power motor is horizontally arranged. The end of the output shaft of the second power motor is fixedly connected to one end of the driving handle, and the other end of the driving handle is rotatably connected to the slider. The movable material guide rail is connected to the T-bar through a sliding assembly.

[0007] The sliding assembly comprises a guide column and a guide sleeve, wherein the guide column is vertically fixed on the T-shaped rod, the guide sleeve is sleeved on the guide column, and the movable material guide rail is connected with the guide sleeve through a connecting rod.

[0008] A spring is also provided between the transverse guide rod and the T-shaped rod.

[0009] Compared with the prior art, the uniform coal feeding mechanism for boiler coal bunker has the following advantages:

[0010] In the utility model, the movable material guide rail is extended or retracted relative to the fixed material guide rail by the second power motor, and at the same time, the regulating pendulum is driven to move by the first power motor, so that the coal can be added into the boiler coal bunker more evenly. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the plane structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the planar structure of the utility model with the removed part;

[0013] Figure 3 It is a three-dimensional structural schematic diagram of the dismantled part of the utility model;

[0014] In the figure, 1. coal bunker; 2. mounting frame 2; 3. discharge hopper; 4. movable guide rail; 5. fixed guide rail; 6. mounting frame 1; 7. transport belt; 8. bracket; 9. T-bar; 9a. guide groove; 10. guide sleeve; 11. guide column; 12. power motor 1; 13. connecting rod; 14. spring; 15. transverse guide rod; 16. power motor 2; 17. driving handle; 18. slider; 19. auxiliary head; 20. regulating ornament. DETAILED DESCRIPTION

[0015] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0016] like Figure 1-Figure 3 As shown, the uniform coal feeding mechanism for the boiler coal bunker includes a bracket 8, on which a conveying belt 7 for conveying coal is obliquely arranged, and the conveying belt 7 adopts an existing product; a mounting frame 6 is also fixed on the bracket 8, and the mounting frame 6 is located below the discharge end of the conveying belt 7, and a fixed guide rail 5 is obliquely installed on the mounting frame 6, and a movable guide rail 4 is slidably connected to the fixed guide rail 5, and the movable guide rail 4 is connected to a driving mechanism that can make it extend and retract back and forth, that is, the movable guide rail 4 can extend or retract relative to the fixed guide rail 5, so that the discharge hopper 3 can move back and forth on the coal bunker 1, and at the same time, the regulating pendulum 20 is driven to rotate by the power motor 12, so that it can be output from different positions of the discharge hopper 3; a trumpet-shaped discharge hopper 3 is installed on the movable guide rail 4, and a power motor 12 is installed on the discharge hopper 3, and the output shaft of the power motor 12 is arranged upward, and the end of the output shaft of the power motor 12 is fixed with a regulating pendulum 20.

[0017] The regulating ornament 20 is provided with a triangular auxiliary head 19 .

[0018] The driving mechanism includes a power motor 16, a driving handle 17, a transverse guide rod 15 and a T-bar 9. The transverse guide rod 15 is fixed to the coal bunker 1 through a mounting frame 2. The T-bar 9 is horizontally slidably connected to the transverse guide rod 15. The T-bar 9 has a vertically arranged guide groove 9a, and a slider 18 is arranged in the guide groove 9a. The power motor 16 is fixed to the transverse guide rod 15 through a mounting rod, and the output shaft of the power motor 16 is horizontally arranged. The output shaft end of the power motor 16 is fixedly connected to one end of the driving handle 17, and the other end of the driving handle 17 is rotatably connected to the slider 18. The movable guide rail 4 is connected to the T-bar 9 through a sliding assembly. With this structure, the driving handle 17 is driven to rotate by the power motor 16, and the driving handle 17 causes the slider 18 to move in the guide groove 9a, so that the T-bar 9 can move back and forth along the transverse guide rod 15.

[0019] The sliding assembly includes a guide column 11 and a guide sleeve 10, the guide column 11 is vertically fixed on the T-bar 9, the guide sleeve 10 is sleeved on the guide column 11, and the movable material guide rail 4 is connected to the guide sleeve 10 through a connecting rod 13; by adopting this structure, the guide column 11 and the guide sleeve 10 cooperate to enable the movable material guide rail 4 to be smoothly extended or retracted relative to the fixed material guide rail 5.

[0020] A spring 14 is further provided between the transverse guide rod 15 and the T-bar 9 .

[0021] In the utility model, the movable material guide rail 4 is extended or retracted relative to the fixed material guide rail 5 by the power motor 2 16, and at the same time, the regulating pendulum 20 is driven by the power motor 12 to move, so that the coal can be added into the boiler coal bunker 1 more evenly.

[0022] The above components are all common standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0023] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A uniform coal feeding mechanism for a boiler coal bunker, comprising a bracket (8), on which a conveying belt (7) for conveying coal is obliquely arranged, characterized in that: A mounting frame (6) is also fixed on the bracket (8), and the mounting frame (6) is located below the discharge end of the conveying belt (7). A fixed material guide rail (5) is obliquely installed on the mounting frame (6), and a movable material guide rail (4) is slidably connected to the fixed material guide rail (5). The movable material guide rail (4) is connected to a driving mechanism that can extend and retract the movable material guide rail (4). A trumpet-shaped discharge hopper (3) is installed on the movable material guide rail (4), and a power motor (12) is installed on the discharge hopper (3), and the output shaft of the power motor (12) is arranged upward, and a regulating pendulum (20) is fixed to the end of the output shaft of the power motor (12).

2. A uniform coal feeding mechanism for a boiler coal bunker according to claim 1, characterized in that: The regulating ornament (20) is provided with a triangular auxiliary head (19).

3. The uniform coal feeding mechanism for a boiler coal bunker according to claim 1, characterized in that: The driving mechanism comprises a second power motor (16), a driving handle (17), a transverse guide rod (15) and a T-shaped rod (9); the transverse guide rod (15) is fixed to the coal bunker (1) through a second mounting frame (2); the T-shaped rod (9) is horizontally slidably connected to the transverse guide rod (15); the T-shaped rod (9) has a vertically arranged guide groove (9a); a slider (18) is arranged in the guide groove (9a); the second power motor (16) is fixed to the transverse guide rod (15) through a mounting rod, and the output shaft of the second power motor (16) is horizontally arranged; the end of the output shaft of the second power motor (16) is fixedly connected to one end of the driving handle (17); the other end of the driving handle (17) is rotatably connected to the slider (18); the movable material guide rail (4) is connected to the T-shaped rod (9) through a sliding assembly.

4. A uniform coal feeding mechanism for a boiler coal bunker according to claim 3, characterized in that: The sliding assembly comprises a guide column (11) and a guide sleeve (10), wherein the guide column (11) is vertically fixed on a T-shaped rod (9), and the guide sleeve (10) is sleeved on the guide column (11), and the movable material guide rail (4) is connected to the guide sleeve (10) via a connecting rod (13).

5. The uniform coal feeding mechanism for a boiler coal bunker according to claim 3, characterized in that: A spring (14) is also provided between the transverse guide rod (15) and the T-shaped rod (9).

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