CN219412966U

CN219412966U - Combined forced air-cooled large-sized high-temperature fan

Info

Publication number: CN219412966U
Application number: CN202223337868.XU
Authority: CN
Inventors: 徐孟磊; 郦才撑
Original assignee: Ningfeng Technology Ningbo Co ltd
Current assignee: Ningfeng Technology Ningbo Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-07-25
Anticipated expiration: 2032-12-12

Abstract

The utility model relates to the field of fans and discloses a combined forced air-cooled large-sized high-temperature fan, which is characterized by comprising a frame body, wherein an impeller and a main shaft connected with the impeller are arranged in the frame body, a heat dissipation disc is fixedly connected to the main shaft, the heat dissipation disc is arranged on the main shaft and absorbs heat transferred by the main shaft and dissipates the heat, so that the heat of the main shaft is dissipated, the bearing between the impeller and the main shaft is enabled to bear a temperature within an bearable range, the heat dissipation disc is cooled through a first cooling part and a second cooling part, the heat dissipation efficiency of the heat dissipation disc is improved, the heat dissipation disc is ensured to be always in a heat dissipation state, the bearing at the place is protected from being influenced by high temperature, and the service life of the fan is greatly prolonged.

Description

Combined forced air-cooled large-sized high-temperature fan

Technical Field

The utility model relates to the field of fans, in particular to a combined forced air cooling large-sized high-temperature fan.

Background

The fans are widely applied to various industries, and some fans meeting special working conditions are generated, such as high temperature resistance, inflammability, explosiveness, leakage resistance, corrosion resistance, abrasion resistance and the like, wherein the medium temperature value of the high temperature resistance fans is continuously increased from the conventional 200 ℃ to 800-900 ℃ under some special working conditions, and the design difficulty is greatly improved for large fans;

the fan comprises a main shaft and an impeller connected with the main shaft in a transmission way, a bearing box is arranged on the main shaft, a bearing is arranged in the bearing box and is connected with the main shaft, and the bearing is difficult to bear high temperature due to higher temperature under special working conditions, so that the bearing is damaged, and the service life of the bearing is prolonged.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a combined forced air cooling large-sized high-temperature fan which is used for reducing the temperature of a bearing.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a large-scale high temperature fan of forced air cooling of combination formula, includes the support body, be provided with the impeller in the support body and with the main shaft that the impeller is connected, be provided with the bearing box on the main shaft, fixedly connected with cooling plate on the main shaft, fixedly connected with cover body on the support body, the cooling plate is located in the cover body, a plurality of through-holes have been seted up on the cover body, be provided with first cooling portion in the cover body, first cooling portion is used for right the cooling of cooling plate.

As a further improvement of the utility model, the first cooling part comprises a first fan and a cylinder, the cylinder is fixedly connected with the cover body, the first fan is fixedly connected in the cylinder, and one end of the cylinder, which is away from the cover body, is provided with a first net cover.

As a further improvement of the utility model, a second cooling part is arranged in the frame body, an air outlet which is opposite to the heat dissipation plate is arranged on the frame body, and the second cooling part is used for cooling the heat dissipation plate.

As a further improvement of the utility model, the second cooling part comprises a second fan and an air duct, one end of the air duct is communicated with the air outlet, the other end of the air duct is connected with the frame body, a second net cover is arranged, and the second fan is arranged in the air duct.

As a further improvement of the utility model, a motor is fixedly connected to the frame body, and the output end of the motor is in transmission connection with the main shaft.

As a further improvement of the utility model, the cover body is provided with a circulation port, and the main shaft enters the cover body through the circulation port.

As a further improvement of the utility model, the material of the heat dissipation plate is aluminum.

As a further improvement of the utility model, the heat dissipation disc is provided with a plurality of ring grooves.

The utility model has the beneficial effects that: according to the utility model, the heat radiating disc is arranged on the main shaft, absorbs heat transferred by the main shaft and radiates the heat, so that the heat of the main shaft is radiated, the temperature born by the bearing is in a bearable range, the heat radiating disc is radiated through the first cooling part and the second cooling part, the heat radiating efficiency of the heat radiating disc is improved, the heat radiating disc is ensured to be always in a heat radiating state, the bearing at the position is protected from high temperature, and the service life of the fan is greatly prolonged.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

fig. 3 is a schematic view of a heat dissipating plate according to the present utility model.

Reference numerals: 1. a frame body; 11. an air outlet; 12. a motor; 13. a bearing housing; 2. an impeller; 3. a main shaft; 4. a heat dissipation plate; 41. a ring groove; 5. a cover body; 51. a through hole; 52. a flow port; 61. a cylinder; 62. a first mesh enclosure; 71. an air duct; 72. and a second net cover.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and examples. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

Referring to fig. 1 to 3, a combined forced air-cooled large-sized high-temperature fan in this embodiment includes a frame 1, an impeller 2 and a main shaft 3 connected with the impeller 2 are disposed in the frame 1, the impeller 2 is a main part of the fan, the fan further includes an impeller 2 cover, the impeller 2 is disposed in the impeller 2 cover, the main shaft 3 is driven to rotate by a motor 12, so that the impeller 2 rotates, the frame 1 is fixedly connected with the motor 12, an output end of the motor 12 is in transmission connection with the main shaft 3, a bearing box 13 is disposed on the main shaft 3, two bearings are disposed in the bearing box 13, the bearings are in transmission connection with the main shaft 3, and a heat dissipation disc 4 is disposed between the bearing box 13 and the impeller 2;

the main shaft 3 is fixedly connected with the cooling disc 4, the cooling disc 4 absorbs heat transferred from the bearing by the main shaft 3 and dissipates the heat, so that the main shaft 3 dissipates heat, the bearing bears temperature in a bearable range, the frame body 1 is fixedly connected with the cover body 5, the cooling disc 4 is positioned in the cover body 5, the cover body 5 is provided with a plurality of through holes 51, the through holes 51 are used for air circulation and are convenient for heat dissipation, the through holes 51 are distributed on two opposite sides of the cover body 5 and are arranged vertically and at intervals, a first cooling part is arranged in the cover body 5 and is used for cooling the cooling disc 4, the heat dissipation efficiency of the cooling disc 4 is improved, the cooling disc 4 is ensured to be always in a heat dissipation state, the bearing is protected from being influenced by high temperature, and the service life of the fan is greatly prolonged.

Referring to fig. 1 and 2, the first cooling part includes a first fan and a cylinder 61, the cylinder 61 is fixedly connected with the cover 5, the first fan is fixedly connected in the cylinder 61, the cylinder 61 is obliquely arranged, the first fan blows air into the cover 5 through a first mesh cover 62 and flows out through a through hole 51 and a flow port 52 to dissipate heat of the heat dissipation disc 4, the heat of the heat dissipation disc 4 is brought out of the cover 5, one end of the cylinder 61, which is away from the cover 5, is provided with the first mesh cover 62, and the first mesh cover 62 can reduce dust from entering the cylinder 61.

The second cooling part is arranged in the frame body 1, the frame body 1 is provided with the air outlet 11 which is opposite to the cooling disc 4, so that the air blown out by the second fan is opposite to the cooling disc 4, the cooling effect is good, the second cooling part is used for cooling the cooling disc 4 and is jointly acted with the first cooling part, the cooling efficiency is improved, the second cooling part comprises the second fan and the air duct 71, one end of the air duct 71 is communicated with the air outlet 11, the other end of the air duct 71 is connected with the frame body 1, the second screen 72 is arranged in the air duct 71, the second fan is sealed in the air duct 71 through the second screen 72, enters the cover body 5 through the air outlet 11, and finally flows out through the through hole 51 and the circulation port 52.

Referring to fig. 1, the cover 5 is provided with a flow port 52, the spindle 3 enters the cover 5 through the flow port 52, and part of the bearing housing 13 enters the cover 5, and a large gap exists between the flow port 52 and the bearing housing 13, so that air circulation is facilitated.

The heat dissipation disc 4 is made of aluminum, and the heat dissipation disc 4 is made of aluminum, so that high-temperature heat transferred from the main shaft 3 can be effectively absorbed.

Referring to fig. 2 and 3, the heat dissipation disc 4 is provided with a plurality of ring grooves 41, which increases the heat dissipation area, so that the heat absorbed by the heat dissipation disc 4 can be dissipated as soon as possible, and the dissipation efficiency is improved.

The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a large-scale high temperature fan of forced air cooling of combination formula, includes support body (1), be provided with impeller (2) in support body (1) and with main shaft (3) that impeller (2) are connected, be provided with bearing box (13), its characterized in that on main shaft (3): fixedly connected with cooling plate (4) on main shaft (3), fixedly connected with cover body (5) on support body (1), cooling plate (4) are located cover body (5), a plurality of through-holes (51) have been seted up on cover body (5), be provided with first cooling portion in cover body (5), first cooling portion is used for right cooling plate (4).

2. The combined forced air cooled large-scale high temperature air blower of claim 1, wherein: the first cooling part comprises a first fan and a cylinder body (61), the cylinder body (61) is fixedly connected with the cover body (5), the first fan is fixedly connected in the cylinder body (61), and one end of the cylinder body (61) deviating from the cover body (5) is provided with a first net cover (62).

3. A combined forced air cooled large high temperature fan according to any of claims 1 or 2, characterized in that: the cooling device comprises a frame body (1), wherein a second cooling part is arranged in the frame body (1), an air outlet (11) which is opposite to the cooling disc (4) is formed in the frame body (1), and the second cooling part is used for cooling the cooling disc (4).

4. A combined forced air cooled large high temperature air blower according to claim 3, characterized in that: the second cooling part comprises a second fan and an air duct (71), one end of the air duct (71) is communicated with the air outlet (11), the other end of the air duct (71) is connected with the frame body (1), a second net cover (72) is arranged, and the second fan is arranged in the air duct (71).

5. The combined forced air cooled large-scale high temperature air blower of claim 1, wherein: the frame body (1) is fixedly connected with a motor (12), and the output end of the motor (12) is in transmission connection with the main shaft (3).

6. The combined forced air cooled large-scale high temperature air blower of claim 5, wherein: the cover body (5) is provided with a circulation port (52), and the main shaft (3) enters the cover body (5) through the circulation port (52).

7. The combined forced air cooled large-scale high temperature air blower of claim 1, wherein: the heat dissipation plate (4) is made of aluminum.

8. The combined forced air cooled large-scale high temperature air blower of claim 7, wherein: a plurality of ring grooves (41) are formed in the radiating disc (4).