CN210178614U - Draught fan of electric power boiler - Google Patents
Draught fan of electric power boiler Download PDFInfo
- Publication number
- CN210178614U CN210178614U CN201920827808.5U CN201920827808U CN210178614U CN 210178614 U CN210178614 U CN 210178614U CN 201920827808 U CN201920827808 U CN 201920827808U CN 210178614 U CN210178614 U CN 210178614U
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- China
- Prior art keywords
- motor
- fan
- base
- supporting
- driven gear
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Abstract
The utility model discloses an electric power boiler draught fan, the on-line screen storage device comprises a base, the backplate, including a motor, an end cap, a controller, and a cover plate, the motor terminal box, the motor fan housing, the fan shell, the air outlet, the crossbeam, the supporting seat, the driving gear, the connecting seat, driven gear, the bolt, the supporting pad board, the blade, the air intake, the conveyer belt, the driven gear connecting axle, the blade connecting axle, the arc-shaped supporting shoe, the base is located below the motor and the fan shell, four supporting pad boards are respectively through the bolt fastening on four angles of base, the backplate is in one side of motor and. The utility model discloses can conveniently adjust the position of the air outlet of draught fan, easy to assemble dismantlement and maintenance in addition.
Description
Technical Field
The utility model relates to an electric power boiler production accessory technical field especially relates to an electric power boiler draught fan.
Background
The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, the boiler output has certain steam, high-temperature water or organic heat carrier boiler induced draft fan depends on the mechanical energy input by the motor, the mechanical energy increases the gas pressure and discharges the gas, and the induced draft fan is a driven fluid machine and is indispensable for boiler production. Boiler induced draft fans are widely used for ventilation, dust exhaust and cooling of power production, factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial kilns, cooling and ventilation in air conditioning equipment and household electrical equipment, drying and sorting of grains, inflation and propulsion of wind tunnel wind sources and air cushion ships and the like. Because long-time high load operation in the field use of boiler draught fan, regular maintenance is often required to carry out to the boiler draught fan, however traditional boiler draught fan often is a whole constitution, often can only take the draught fan body apart when needing maintenance, makes the maintenance of traditional boiler draught fan extremely difficult like this, and present draught fan all is rigid basically after the dress, inconvenient adjustment air outlet.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an electric power boiler draught fan is provided, its position that can conveniently adjust the air outlet of draught fan, easy to assemble dismantlement and maintenance in addition.
The utility model discloses a solve above-mentioned technical problem through following technical scheme: an induced draft fan of an electric power boiler comprises a base, a protective plate, a motor junction box, a motor fan cover, a fan shell, an air outlet, a cross beam, a supporting seat, a driving gear, a connecting seat, a driven gear, bolts, supporting base plates, blades, an air inlet, a conveying belt, a driven gear connecting shaft, a blade connecting shaft and an arc-shaped supporting block, wherein the base is positioned below the motor and the fan shell, the four supporting base plates are respectively fixed on four corners of the base through the bolts, the protective plate is positioned at one side of the motor and the fan shell, the motor is fixed on the supporting seat through a plurality of screws, the motor junction box is connected on the upper surface of the motor, the tail part of the motor is connected with the motor fan cover, the fan shell is positioned on the upper surface of the base, the, the driving gear is connected with the fan shell and is meshed with the driven gear, the connecting seat is located between the guard plate and the fan shell, the blade is fixedly connected with the blade connecting shaft and is located on the inner side of the fan shell, the blade connecting shaft is connected with a main shaft of the motor through a conveying belt and is located on the inner side of the guard plate, and the driven gear connecting shaft is connected with one driven gear and is located on one side of the guard plate.
Preferably, two screw holes are arranged on the supporting seat.
Preferably, a gasket is arranged on the bolt.
Preferably, the supporting base plate is provided with a plurality of through holes, and the through holes are positioned on the outer side of the base.
Preferably, the fan housing is of a detachable structure.
The utility model discloses an actively advance the effect and lie in: the utility model discloses can conveniently adjust the position of the air outlet of draught fan, easy to assemble dismantles and maintenance in addition, simple structure, and is with low costs.
Drawings
Fig. 1 is a schematic view of a side three-dimensional structure of the present invention.
Fig. 2 is a schematic view of the other side of the three-dimensional structure of the present invention.
Fig. 3 is a schematic diagram of a part of the discrete structure of the present invention.
In the figure: the electric boiler induced draft fan comprises a base 1, a guard plate 2, a motor 3, a motor junction box 4, a motor fan cover 5, a fan shell 6, an air outlet 7, a cross beam 8, a supporting seat 9, a driving gear 10, a connecting seat 11, a driven gear 12, a bolt 13, a supporting base plate 14, a blade 15, an air inlet 16, a conveying belt 17, a driven gear connecting shaft 18, a blade connecting shaft 19 and an arc-shaped supporting block 20.
Detailed Description
The following provides a preferred embodiment of the present invention with reference to the accompanying drawings to explain the technical solutions of the present invention in detail.
As shown in fig. 1 to 3, the induced draft fan of the electric power boiler of the present invention comprises a base 1, a protection plate 2, a motor 3, a motor junction box 4, a motor fan housing 5, a fan housing 6, an air outlet 7, a cross beam 8, a support base 9, a driving gear 10, a connection base 11, a driven gear 12, bolts 13, support pads 14, blades 15, an air inlet 16, a conveyor belt 17, a driven gear connection shaft 18, a blade connection shaft 19, and an arc-shaped support block 20, wherein the base 1 is located below the motor 3 and the fan housing 6, the four support pads 14 are respectively fixed on four corners of the base 1 through the bolts 13, the protection plate 2 is located on one side of the motor 3 and the fan housing 6, the motor 3 is fixed on the support base 9 through a plurality of screws, the motor junction box 4 is connected on the upper surface of the motor 3 and the tail portion, the top of fan shell 6 is equipped with air outlet 7, crossbeam 8, supporting seat 9 is all fixed with base 1, arc supporting shoe 20 fixes on crossbeam 8 and supports fan shell 6, driving gear 10 and fan shell 6 are connected and mesh with driven gear 12, connecting seat 11 is located between backplate 2 and fan shell 6, blade 15 and 19 fixed connection of blade connecting axle and the inboard that is located fan shell 6, connect through conveyer belt 17 between 19 and the main shaft of motor 3 and be located the inboard of backplate 2, driven gear connecting axle 18 connects a driven gear 12 and is located one side of backplate 2.
Be equipped with two screw holes on the supporting seat 9, can be with motor fixed connection on the supporting seat like this, also make things convenient for the later stage to the dismantlement and the maintenance of motor.
The bolt 13 is provided with a gasket, so that the bolt can be locked without damaging the base.
The supporting base plate 14 is provided with a plurality of through holes, and the through holes are positioned at the outer side of the base, so that the through holes on the supporting base plate are conveniently fixed with the ground.
The fan shell 6 is of a detachable structure, and the problem of inconvenient installation and maintenance is solved.
The working principle of the utility model is as follows: the base is the main supporting seat of whole fan, plays the effect of supporting and storing other devices. The guard plate is used for protecting the conveyor belt from being damaged and preventing operators from being injured in the operation process. The motor is a power source of the draught fan, the motor rotates to drive the conveying belt and drive the blade connecting shaft, the air inlet sucks air, and the air is discharged from the air outlet. The motor junction box is on the motor itself for protecting the internal circuitry of the motor. The motor fan housing is used for protecting the motor from being damaged. The fan shell is used for storing the effect of blade and blast, and one side of it is gear structure, can be with the blade rotation, conveniently be connected with other interfaces. The air outlet is used for carrying the opening of going out, and the crossbeam distributes in the centre of base and is used for supporting the fan shell, has increased the bearing capacity and the stability of base. The supporting seat is used for supporting the motor, and the driving gear is directly connected with the gear on the fan shell and is connected with the driven gear, so that the blades can be effectively rotated, and the angle of the air outlet can be adjusted. The bolt is used for connecting the supporting base plate and fixing the supporting base plate on the base. The support base plate plays a role in stably supporting the base, and stability is improved. The blades can draw wind in from the wind inlet and discharge the wind from the wind outlet. The conveying belt is used for connecting the motor rotating shaft and the blade connecting shaft and driving the blades to rotate. The driven gear connecting shaft connects the driven gear with the connecting seat, and plays a role in supporting and driving the blades to rotate. The arc-shaped supporting block is fixed on the cross beam and supports the fan shell, and the angle of the fan shell can be adjusted at any time, so that the position of an air outlet of the draught fan is conveniently adjusted. The utility model discloses mostly be through connections such as bolt, convenient dismantlement and installation, maintenance.
To sum up, the utility model discloses can conveniently adjust the position of the air outlet of draught fan, easy to assemble dismantles and maintenance in addition, simple structure, and is with low costs.
The above-mentioned embodiments further explain the technical problems, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. An induced draft fan of an electric boiler is characterized by comprising a base (1), a protective plate (2), a motor (3), a motor junction box (4), a motor fan cover (5), a fan shell (6), an air outlet (7), a cross beam (8), a supporting seat (9), a driving gear (10), a connecting seat (11), a driven gear (12), bolts (13), supporting base plates (14), blades (15), an air inlet (16), a conveying belt (17), a driven gear connecting shaft (18), a blade connecting shaft (19) and arc-shaped supporting blocks (20), wherein the base (1) is positioned below the motor (3) and the fan shell (6), the four supporting base plates (14) are respectively fixed on four corners of the base (1) through the bolts (13), the protective plate (2) is arranged on one side of the motor (3) and the fan shell (6), the motor (3) is fixed on the supporting seat (9) through a plurality of, the upper surface of the motor (3) is connected with a motor junction box (4) and the tail part is connected with a motor fan cover (5), a fan shell (6) is positioned on the base (1) and is provided with an air inlet (16) at the side surface, the top part of the fan shell (6) is provided with an air outlet (7), a cross beam (8) and a supporting seat (9) are fixed with the base (1), an arc-shaped supporting block (20) is fixed on the cross beam (8) and supports the fan shell (6), a driving gear (10) is connected with the fan shell (6) and is meshed with a driven gear (12), a connecting seat (11) is positioned between a protective plate (2) and the fan shell (6), a blade (15) is fixedly connected with a blade connecting shaft (19) and is positioned on the inner side of the fan shell (6), the blade connecting shaft (19) is connected with a main shaft of the motor (3, the driven gear connecting shaft (18) is connected with a driven gear (12) and is positioned on one side of the guard plate (2).
2. The induced draft fan of the electric boiler according to claim 1, wherein two screw holes are provided on the supporting base (9).
3. The induced draft fan for the electric boiler according to claim 1, wherein the bolt (13) is provided with a gasket.
4. The induced draft fan for the electric boiler according to claim 1, wherein the supporting mat (14) is provided with a plurality of through holes, and the through holes are positioned at the outer side of the base.
5. The induced draft fan for the electric boiler according to claim 1, wherein the fan housing (6) is of a detachable structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920827808.5U CN210178614U (en) | 2019-06-04 | 2019-06-04 | Draught fan of electric power boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920827808.5U CN210178614U (en) | 2019-06-04 | 2019-06-04 | Draught fan of electric power boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210178614U true CN210178614U (en) | 2020-03-24 |
Family
ID=69836176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920827808.5U Expired - Fee Related CN210178614U (en) | 2019-06-04 | 2019-06-04 | Draught fan of electric power boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210178614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033724A (en) * | 2021-11-29 | 2022-02-11 | 上海冠带通风节能设备有限公司 | Fan with direction-adjustable air port |
-
2019
- 2019-06-04 CN CN201920827808.5U patent/CN210178614U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033724A (en) * | 2021-11-29 | 2022-02-11 | 上海冠带通风节能设备有限公司 | Fan with direction-adjustable air port |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200324 Termination date: 20200604 |