CN213144814U

CN213144814U - Boiler induced draft fan actuating mechanism with protective structure

Info

Publication number: CN213144814U
Application number: CN202021792153.1U
Authority: CN
Inventors: 刘凤袖; 陈磊; 李珊珊
Original assignee: Guangzhou Huantu Nansha Environmental Protection Energy Co ltd
Current assignee: Guangzhou Huantu Nansha Environmental Protection Energy Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-05-07
Anticipated expiration: 2030-08-25

Abstract

The utility model relates to the technical field of draught fans, in particular to a boiler draught fan actuating mechanism with a protective structure, which comprises a boiler, wherein a pipeline is arranged on one side of the boiler, the boiler is fixedly connected with the pipeline, a base is arranged at the bottom of the pipeline, the base is fixedly connected with the pipeline, a motor is arranged on the back side of the top of the pipeline, a flange plate is arranged on one side of the pipeline away from the motor, the flange plate and the pipeline are designed in an integrated mode, a pull rod is arranged in the pipeline and is connected in the pipeline in a sliding mode, and a rotary rod is arranged in the flange plate, so that the utility model has the advantages of reasonable design and ingenious structure, can be fixed only by rotating through mutual cooperation between the structures, is more convenient to fix and firmer to increase the direction of the wind force, can be adjusted according to the requirements, and, has good market competitiveness and is worthy of recommendation.

Description

Boiler induced draft fan actuating mechanism with protective structure

Technical Field

The utility model relates to a draught fan technical field especially relates to a boiler draught fan actuating mechanism with protective structure.

Background

The induced draft fan is a device which generates negative pressure through rotation of an impeller and further extracts air from a system, is generally arranged at the tail end of a boiler and is used for extracting hot flue gas in a hearth, and in daily life, the induced draft fan is generally divided into the induced draft fan and the air blower according to different positive and negative pressure use modes, and the induced draft fan is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; the working principle of the induced draft fan is basically the same as that of a turbine compressor, and the induced draft fan only needs to take the change of the specific volume of the gas into consideration because the flow rate of the gas is low and the pressure change is not large, namely the gas is treated as incompressible fluid.

But fixed with the boiler is more troublesome, and can not adjust the wind direction as required, and application scope is less.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the boiler draught fan actuating mechanism with protective structure who proposes, the utility model relates to a rationally, the structure is ingenious, through mutually supporting between the structure, only needs the rotation just can fix, and is fixed more convenient, and fixed more firm, increases the direction of wind power, can adjust according to the demand, increases the application scope of device, has good market competition, is worth recommending.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an actuating mechanism of a boiler induced draft fan with a protective structure is designed, which comprises a boiler, wherein a pipeline is arranged at one side of the boiler, the boiler is fixedly connected with the pipeline, the bottom of the pipeline is provided with a base which is fixedly connected with the pipeline, a motor is arranged on the back side of the top of the pipeline, a flange plate is arranged on one side of the pipeline away from the motor, the flange plate and the pipeline are designed in an integrated mode, a pull rod is arranged inside the pipeline and is connected inside the pipeline in a sliding mode, a rotating rod is arranged inside the flange plate, the flange plate is rotationally connected with the rotating rod, a fixed block is arranged on one side of the top of the pull rod, the fixed block is fixedly connected with the pipeline, the inside of fixed block is installed with the fixed orifices, the fixed block is the integral type design with the fixed orifices, the surface mounting of pull rod has the extrusion pole, extrusion pole and pull rod fixed connection.

Preferably, the surface mounting of rotary rod has the extruded piece, rotary rod and extruded piece fixed connection, the internally mounted of extruded piece has the mounting, the surface mounting of extruded piece has a fixed section of thick bamboo, fixed section of thick bamboo fixed connection is in the inside of ring flange, mounting sliding connection is in the inside of a fixed section of thick bamboo.

Preferably, the internally mounted of a fixed section of thick bamboo has first fixture block, a fixed section of thick bamboo is the integral type design with first fixture block, first draw-in groove is installed to the position that the inside of mounting corresponds first fixture block, first draw-in groove is the integral type design with the mounting, first fixture block and first draw-in groove phase-match, first fixture block sliding connection is in the inside of first draw-in groove, the internally mounted of first draw-in groove has first spring, first spring is close to the one end and the first fixture block welding of first fixture block, the one end and the mounting welding of first fixture block are kept away from to first spring.

Preferably, a limiting rod is installed on one side of the pull rod, the motor is fixedly connected with the pipeline, a guide plate is installed on the surface of the limiting rod, and the guide plate is rotatably connected with the limiting rod through a rotating shaft.

Preferably, a first steering gear is mounted at an end portion of an output shaft of the motor, the first steering gear is welded to the end portion of the output shaft of the motor, a second steering gear is mounted at the bottom of the first steering gear, the second steering gear is meshed with the first steering gear, and the shape of the cross section of the second steering gear is an isosceles trapezoid.

Preferably, the flabellum is installed to second steering gear's bottom, flabellum and second steering gear fixed connection, the internally mounted of pipeline has the mounting bracket, the mounting bracket rotates with second steering gear to be connected, mounting bracket and pipeline fixed connection, the filter screen is installed on the top of pipeline, filter screen and pipeline fixed connection.

The utility model provides a pair of boiler draught fan actuating mechanism with protective structure, beneficial effect lies in: the rotating rod is rotated to drive the extruding part to rotate by the rotating rod, so that the fixing part moves, the fixing part is clamped into the boiler through the fixing cylinder to fix the pipeline and the boiler, the first steering gear is driven to rotate by the motor to drive the second steering gear to rotate, the fan blades are driven to rotate by the rotation of the second steering gear, so that wind power is generated, the passing gas can be filtered through the filter screen, the pull rod drives the extruding rod to move by moving the pull rod, the extruding rod supports against the guide plate, so that the guide plate is turned over, the guide plate is rotatably connected with the limiting rod through the rotating shaft, so that the orientation of the guide plate is adjusted, and the direction of the wind in the pipeline reaching the inside of the boiler is changed, the utility model has the advantages of reasonable design and ingenious structure, and can be fixed only by rotation through the mutual matching between the structures, it is more convenient to fix, and fixed more firm, increases the direction of wind, can adjust according to the demand, increases the application scope of device, has good market competition, is worth recommending.

Drawings

Fig. 1 is a cross-sectional view of an actuator of a boiler induced draft fan with a protective structure, which is provided by the utility model;

fig. 2 is an enlarged view of a part a of a boiler induced draft fan actuating mechanism diagram 1 with a protective structure according to the present invention;

fig. 3 is a partial cross-sectional view of an actuator of a boiler induced draft fan with a protective structure provided by the present invention;

FIG. 4 is a partial side sectional view of an actuator of a boiler induced draft fan with a protective structure according to the present invention;

fig. 5 is the utility model provides a boiler draught fan actuating mechanism pipeline local cut-away view with protective structure.

In the figure: 1. a boiler; 2. a flange plate; 3. a base; 4. a pipeline; 5. a motor; 6. a pull rod; 7. rotating the rod; 8. a first clamping block; 9. a fixing member; 10. a first card slot; 11. a first spring; 12. a fixed block; 13. a fixing hole; 14. an extrusion stem; 15. a restraining bar; 16. a guide plate; 17. a fixed cylinder; 18. an extrusion; 19. a first steering gear; 20. a second steering gear; 21. filtering with a screen; 22. a mounting frame; 23. a fan blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a boiler induced draft fan actuating mechanism with protective structure, including boiler 1, pipeline 4 is installed to one side of boiler 1, boiler 1 and pipeline 4 fixed connection, base 3 is installed to the bottom of pipeline 4, base 3 and pipeline 4 fixed connection, motor 5 is installed to the top dorsal part of pipeline 4, first steering gear 19 is installed to the output shaft tip of motor 5, first steering gear 19 welds with the output shaft tip of motor 5, second steering gear 20 is installed to the bottom of first steering gear 19, second steering gear 20 meshes with first steering gear 19, the axle cross sectional shape of second steering gear 20 is isosceles trapezoid, make the removal more stable.

Flabellum 23 is installed to second steering gear 20's bottom, flabellum 23 and second steering gear 20 fixed connection, and the internally mounted of pipeline 4 has mounting bracket 22, and mounting bracket 22 rotates with second steering gear 20 to be connected, and mounting bracket 22 and pipeline 4 fixed connection, filter screen 21 are installed on the top of pipeline 4, and filter screen 21 and pipeline 4 fixed connection increase the fastness of device.

The ring flange 2 is installed to the one side that motor 5 was kept away from to pipeline 4, and ring flange 2 is the integral type design with pipeline 4, and the internally mounted of pipeline 4 has pull rod 6, and restriction lever 15 is installed to one side of pull rod 6, and motor 5 and pipeline 4 fixed connection, the surface mounting of restriction lever 15 have deflector 16, and deflector 16 rotates through the pivot with restriction lever 15 to be connected, the direction of convenient adjustment wind.

The pull rod 6 is connected in the pipeline 4 in a sliding mode, the rotary rod 7 is installed in the flange plate 2, the extruding part 18 is installed on the surface of the rotary rod 7, the rotary rod 7 is fixedly connected with the extruding part 18, the fixing part 9 is installed in the extruding part 18, the fixing barrel 17 is installed on the outer surface of the extruding part 18, the fixing barrel 17 is fixedly connected in the flange plate 2, the fixing part 9 is connected in the fixing barrel 17 in a sliding mode, and fixing is firmer.

Fixed cylinder 17's internally mounted has first fixture block 8, fixed cylinder 17 is the integral type design with first fixture block 8, first draw-in groove 10 is installed to the inside position that corresponds first fixture block 8 of mounting 9, first draw-in groove 10 is the integral type design with mounting 9, first fixture block 8 and first draw-in groove 10 phase-match, first fixture block 8 sliding connection is in the inside of first draw-in groove 10, the internally mounted of first draw-in groove 10 has first spring 11, first spring 11 is close to the one end of first fixture block 8 and welds with first fixture block 8, the one end that first fixture block 8 was kept away from to first spring 11 welds with mounting 9, increase the stability of removal.

Flange plate 2 rotates with rotary rod 7 to be connected, and fixed block 12 is installed to top one side of pull rod 6, fixed block 12 and pipeline 4 fixed connection, and the internally mounted of fixed block 12 has fixed orifices 13, and fixed block 12 is the integral type design with fixed orifices 13, and the surface mounting of pull rod 6 has squeeze bar 14, squeeze bar 14 and pull rod 6 fixed connection.

The working principle is as follows: the rotating rod 7 is rotated to drive the rotating rod 7 to rotate the extruding part 18, so that the fixing part 9 moves, the fixing part 9 is clamped into the boiler 1 through the fixing cylinder 17 to fix the pipeline 4 and the boiler 1, the motor 5 drives the first steering gear 19 to rotate, the second steering gear 20 rotates to drive the fan blades 23 to rotate, so that wind power is generated, the passing gas can be filtered through the filter screen 21, the pull rod 6 drives the extruding rod 14 to move by moving the pull rod 6, the extruding rod 14 abuts against the guide plate 16, so that the guide plate 16 is turned, the guide plate 16 is rotatably connected with the limiting rod 15 through the rotating shaft, the orientation of the guide plate 16 is adjusted, and the direction of the wind in the pipeline 4 reaching the boiler 1 is changed.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a boiler draught fan actuating mechanism with protective structure, includes boiler (1), its characterized in that, pipeline (4) are installed to one side of boiler (1), boiler (1) and pipeline (4) fixed connection, base (3) are installed to the bottom of pipeline (4), base (3) and pipeline (4) fixed connection, motor (5) are installed to the top dorsal part of pipeline (4), flange dish (2) are installed to one side that motor (5) were kept away from in pipeline (4), flange dish (2) are the integral type design with pipeline (4), the internally mounted of pipeline (4) has pull rod (6), pull rod (6) sliding connection is in the inside of pipeline (4), the internally mounted of flange dish (2) has rotary rod (7), flange dish (2) rotate with rotary rod (7) and are connected, fixed block (12) are installed to top one side of pull rod (6), fixed block (12) and pipeline (4) fixed connection, the internally mounted of fixed block (12) has fixed orifices (13), fixed block (12) are the integral type design with fixed orifices (13), the surface mounting of pull rod (6) has extrusion pole (14), extrusion pole (14) and pull rod (6) fixed connection.

2. The boiler induced draft fan actuating mechanism with the protection structure according to claim 1, wherein the surface of the rotating rod (7) is provided with an extrusion piece (18), the rotating rod (7) is fixedly connected with the extrusion piece (18), the inside of the extrusion piece (18) is provided with a fixing piece (9), the outer surface of the extrusion piece (18) is provided with a fixing barrel (17), the fixing barrel (17) is fixedly connected with the inside of the flange plate (2), and the fixing piece (9) is slidably connected with the inside of the fixing barrel (17).

3. The boiler induced draft fan actuating mechanism with the protection structure according to claim 2, a first clamping block (8) is arranged in the fixed cylinder (17), the fixed cylinder (17) and the first clamping block (8) are designed in an integrated manner, a first clamping groove (10) is arranged in the fixing piece (9) corresponding to the first clamping block (8), the first clamping groove (10) and the fixing piece (9) are designed in an integrated manner, the first clamping block (8) is matched with the first clamping groove (10), the first clamping block (8) is connected in the first clamping groove (10) in a sliding manner, a first spring (11) is arranged in the first clamping groove (10), one end of the first spring (11) close to the first clamping block (8) is welded with the first clamping block (8), one end, far away from the first clamping block (8), of the first spring (11) is welded with the fixing piece (9).

4. The boiler induced draft fan actuating mechanism with the protection structure according to claim 1, wherein a limiting rod (15) is installed on one side of the pull rod (6), the motor (5) is fixedly connected with the pipeline (4), a guide plate (16) is installed on the surface of the limiting rod (15), and the guide plate (16) is rotatably connected with the limiting rod (15) through a rotating shaft.

5. The boiler induced draft fan actuating mechanism with the protection structure according to claim 1, wherein a first steering gear (19) is installed at an output shaft end portion of the motor (5), the first steering gear (19) is welded with the output shaft end portion of the motor (5), a second steering gear (20) is installed at the bottom of the first steering gear (19), the second steering gear (20) is meshed with the first steering gear (19), and the shape of the axial cross section of the second steering gear (20) is an isosceles trapezoid.

6. The boiler induced draft fan actuating mechanism with the protection structure according to claim 5, wherein fan blades (23) are installed to the bottom of the second steering gear (20), fan blades (23) and second steering gear (20) fixed connection are provided, the internally mounted of pipeline (4) has a mounting rack (22), the mounting rack (22) is connected with the second steering gear (20) rotation, the mounting rack (22) is connected with pipeline (4) fixed connection, filter screen (21) is installed on the top of pipeline (4), filter screen (21) and pipeline (4) fixed connection.