CN210241615U

CN210241615U - Novel close air damper

Info

Publication number: CN210241615U
Application number: CN201921210727.7U
Authority: CN
Inventors: Hongwei Gao; 高红伟; Xinjiang Han; 韩新江; shan You; 尤山; Siwen Gao; 高祀文; Song Gao; 高嵩; Feng Gao; 高峰
Original assignee: Qingdao Hengye Power Equipment Co Ltd
Current assignee: Qingdao Hengye Power Equipment Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-04-03
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a novel close air damper relates to power equipment trade field, including frame beam structure, blade switching mechanism, blade cooling body, frame beam structure includes that the left side erects roof beam, entablature, right side and erects roof beam, bottom end rail, blade switching mechanism includes driving motor, motor mounting panel, drive shaft, drive gear, driven gear, cavity driven shaft, bearing, blade cooling body includes that the play water is taken over, is intake and takes over, intake end quill shaft, seal ring. The utility model relates to a scheme is applicable to the abominable air door that keeps off that closes of operational environment, has solved the dead problem of card under the hot-state operating mode of blade through the design of blade cooling body, and extension air door life keeps off, reduces the dimension and protects the cost.

Description

Novel close air damper

Technical Field

The utility model belongs to the technical field of the power equipment trade and specifically relates to a novel close air door.

Background

At present, the closing damper door is widely applied as important accessory equipment of a power station, but the problem that blades are easy to block under a thermal state working condition commonly exists in the existing closing damper door, so that a power station flue is blocked, the processing work is complicated, and the operation and maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect that exists among the prior art, the utility model provides a novel close air door.

The utility model provides a technical scheme that its technical problem adopted is: a novel closed air damper comprises a frame beam structure, a blade opening and closing mechanism and a blade cooling mechanism, wherein the frame beam structure comprises a left vertical beam, an upper cross beam, a right vertical beam and a lower cross beam, the blade opening and closing mechanism comprises a driving motor, a motor mounting plate, a driving shaft, a driving gear, a driven gear, a hollow driven shaft, a water inlet end hollow shaft, a bearing and blades, and the blade cooling mechanism comprises a water outlet connecting pipe, a water inlet connecting pipe and a sealing gasket; the left vertical beam, the upper cross beam, the right vertical beam and the lower cross beam are rigidly connected to form a square frame beam structure, the motor mounting plate is rigidly mounted at the lower part of the left vertical beam, the driving motor is mounted on the motor mounting plate, the left end of the driving shaft is rigidly connected to the power output end of the driving motor, the driving gear is rigidly mounted at the right end of the driving shaft, the driven gear and the driving gear are mounted at a meshing position, the left side of the hollow driven shaft is in key connection with the driven gear, the bearing is rigidly mounted on the left vertical beam and the right vertical beam, the right outer wall of the hollow driven shaft is matched and mounted with the inner wall of the bearing, the left end of the blade is rigidly connected with the right end of the hollow driven shaft, the right end of the blade is rigidly connected with the left end of the hollow shaft at the water inlet end, the right outer, the water inlet connecting pipe is installed at the right end of the hollow shaft at the water inlet end in a matched mode through a sealing washer.

Foretell a novel keep off air door of closing, it connects the drain pipe to go out water takeover lower extreme, the delivery pipe is connected to the takeover lower extreme that intakes.

Foretell a novel close air baffle door, the inside coolant liquid that leads to of blade cavity.

The beneficial effects of the utility model are that, the utility model provides a scheme is applicable to the abominable air door that keeps off that closes of operational environment, has solved dead problem of card under the hot-state operating mode of blade through the design of blade cooling body, and extension air door life keeps off, reduces the dimension and protects the cost.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a front sectional view of the overall structure of the present invention;

FIG. 2 is a partial enlarged view of the area A of the present invention;

fig. 3 is a schematic view of the hollow structure inside the blade of the present invention.

In the figure, 1, a left vertical beam, 2, an upper cross beam, 3, a right vertical beam, 4, a lower cross beam, 5, a driving motor, 6, a motor mounting plate, 7, a driving shaft, 8, a driving gear, 9, a driven gear, 10, a water outlet connecting pipe, 11, a hollow driven shaft, 12, a bearing, 13, a blade, 14, a water inlet connecting pipe, 15, a water inlet end hollow shaft and 16 are sealed gaskets.

Detailed Description

In order to more clearly illustrate the technical solution of the present invention, the following provides a further description of the present invention with reference to the accompanying drawings, and obviously, the following described drawings are only one embodiment of the present invention, and for those skilled in the art, other embodiments can be obtained according to the drawings and the embodiment without any creative work, and all belong to the protection scope of the present invention.

A novel closed air damper comprises a frame beam structure, a blade opening and closing mechanism and a blade cooling mechanism, wherein the frame beam structure comprises a left vertical beam 1, an upper cross beam 2, a right vertical beam 3 and a lower cross beam 4, the blade opening and closing mechanism comprises a driving motor 5, a motor mounting plate 6, a driving shaft 7, a driving gear 8, a driven gear 9, a hollow driven shaft 11, a water inlet end hollow shaft 15, a bearing 12 and blades 13, and the blade cooling mechanism comprises a water outlet connecting pipe 10, a water inlet connecting pipe 14 and a sealing gasket 16; the left vertical beam 1, the upper beam 2, the right vertical beam 3 and the lower beam 4 are rigidly connected to form a square frame beam structure, the motor mounting plate 6 is rigidly mounted on the lower portion of the left vertical beam 1, the driving motor 5 is mounted on the motor mounting plate 6, the left end of the driving shaft 7 is rigidly connected to the power output end of the driving motor 5, the driving gear 8 is rigidly mounted on the right end of the driving shaft 7, the driven gear 9 and the driving gear 8 are mounted at the meshing position, the left side of the hollow driven shaft 11 is connected with the driven gear 9 in a key mode, the bearing 12 is rigidly mounted on the left vertical beam 1 and the right vertical beam 3, the outer wall of the right side of the hollow driven shaft 11 is mounted in a matching mode with the inner wall of the bearing 12, the left end of the blade 13 is rigidly connected with the right end of the hollow driven shaft 11, the right outer wall of the water inlet end hollow shaft 15 is installed in a matched mode with the inner wall of the bearing 12, the water outlet connecting pipe 10 is installed at the left end of the hollow driven shaft 11 in a matched mode through a sealing washer 16, and the water inlet connecting pipe 14 is installed at the right end of the water inlet end hollow shaft 15 in a matched mode through the sealing washer 16.

In detail, the lower end of the water outlet connecting pipe 10 is connected with a water discharge pipe, the lower end of the water inlet connecting pipe 14 is connected with a water supply pipe, and the hollow inside of the blade 13 is filled with cooling liquid.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims

1. The utility model provides a novel close air blocking door, includes frame beam structure, blade closing mechanism, blade cooling body, its characterized in that: the frame beam structure comprises a left vertical beam (1), an upper beam (2), a right vertical beam (3) and a lower beam (4), the blade opening and closing mechanism comprises a driving motor (5), a motor mounting plate (6), a driving shaft (7), a driving gear (8), a driven gear (9), a hollow driven shaft (11), a water inlet end hollow shaft (15), a bearing (12) and blades (13), and the blade cooling mechanism comprises a water outlet connecting pipe (10), a water inlet connecting pipe (14) and a sealing gasket (16); the square frame beam structure is formed by rigidly connecting a left vertical beam (1), an upper cross beam (2), a right vertical beam (3) and a lower cross beam (4), a motor mounting plate (6) is rigidly mounted at the lower part of the left vertical beam (1), a driving motor (5) is mounted on the motor mounting plate (6), the left end of a driving shaft (7) is rigidly connected with the power output end of the driving motor (5), a driving gear (8) is rigidly mounted at the right end of the driving shaft (7), a driven gear (9) and the driving gear (8) are mounted at the meshing position, the left side of a hollow driven shaft (11) is in key connection with the driven gear (9), a bearing (12) is rigidly mounted on the left vertical beam (1) and the right vertical beam (3), the right outer wall of the hollow driven shaft (11) is mounted in a matching way with the inner wall of the bearing (12), and the left end of a blade (13), the water inlet end hollow shaft structure is characterized in that the right end of the blade (13) is rigidly connected with the left end of the water inlet end hollow shaft (15), the blade (13) is of an internal hollow structure, the outer wall of the right side of the water inlet end hollow shaft (15) is installed in a matched mode with the inner wall of the bearing (12), the water outlet connecting pipe (10) is installed at the left end of the hollow driven shaft (11) in a matched mode through a sealing gasket (16), and the water inlet connecting pipe (14) is installed at the right end of the water inlet end hollow shaft (15) in.

2. The novel closing air damper as claimed in claim 1, wherein the lower end of the water outlet connecting pipe (10) is connected with a water drainage pipe, and the lower end of the water inlet connecting pipe (14) is connected with a water supply pipe.

3. A new type of closing damper as claimed in claim 1, characterised in that said blades (13) are provided with a cooling fluid inside the hollow.