CN219711907U - Protection device for axial-flow induced-draft fan blade - Google Patents
Protection device for axial-flow induced-draft fan blade Download PDFInfo
- Publication number
- CN219711907U CN219711907U CN202320146835.2U CN202320146835U CN219711907U CN 219711907 U CN219711907 U CN 219711907U CN 202320146835 U CN202320146835 U CN 202320146835U CN 219711907 U CN219711907 U CN 219711907U
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- Prior art keywords
- axial
- draft fan
- flow induced
- blade
- annular pipe
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- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000000903 blocking effect Effects 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 230000001012 protector Effects 0.000 claims description 10
- 210000003437 trachea Anatomy 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims 2
- 239000012535 impurity Substances 0.000 abstract description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005192 partition Methods 0.000 description 8
- 239000007921 spray Substances 0.000 description 7
- 238000000926 separation method Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a protection device for blades of an axial flow induced draft fan, relates to the technical field of protection devices, and aims to solve the problems that in the prior art, the blades of the axial flow induced draft fan can adsorb a large amount of impurities in air during working, so that a large amount of impurities with strong corrosiveness can be attached to the surfaces of the blades, rust on the blades is not easily caused by long-time protection of the blades, and the service life of the blades is reduced. The inside of axial-flow induced-draft fan is provided with the blade, the front side of blade is provided with the annular pipe, the shower nozzle is installed in the outside of annular pipe, and shower nozzle and annular pipe threaded connection, the annular pipe is provided with three, the shower nozzle is provided with a plurality of, the inside of axial-flow induced-draft fan is provided with the protective housing, the support is installed in the outside of protective housing, the internally mounted of protective housing has the motor, install the transmission case on the preceding terminal surface of protective housing.
Description
Technical Field
The utility model relates to the technical field of protection devices, in particular to a protection device for blades of an axial flow induced draft fan.
Background
The blades of the axial flow induced draft fan can adsorb a large amount of impurities in the air during working, so that the blades are protected by a protection device;
for example, the application publication number is CN216306345U, an intelligent sand-blown protection device for an axial flow fan is characterized in that a transverse air duct is horizontally arranged at a ventilation window of the axial flow fan, a longitudinal air duct is vertically and downwards fixedly arranged at the bottom end of the transverse air duct, an electric push rod is arranged on the outer wall of the longitudinal air duct, and a telescopic rod of the electric push rod is connected with the top end of a movable plate;
above-mentioned application simple structure, design horizontal wind channel and vertical wind channel, and design intelligent electric liquid push rod on the wind channel, suspended particle sensor transmission signal gives the controller when the suspended particles of air china exceeds standard, the controller control movable plate is sealed horizontal wind channel, thereby change ventilation streamline, simultaneously in vertical wind channel design dust collector, the tissue sand dust that can be fine enters into axial fan, avoid polluting the workshop, high-efficient environmental protection, be worth using widely, but can not clean the protection to the blade, and the blade surface can adhere to a large amount of impurity that corrosivity is strong, do not cause the blade to rust the damage very easily to the blade for a long time, blade life has been reduced, therefore market emergency develops an axial fan blade and uses protector to help people to solve current problem.
Disclosure of Invention
The utility model aims to provide a protection device for an axial flow induced draft fan blade, which aims to solve the problems that the axial flow induced draft fan blade provided in the background art can adsorb a large amount of impurities in the air during working, so that a large amount of impurities with strong corrosiveness can be attached to the surface of the blade, the blade is not easily damaged by rust on the blade after long-time protection, and the service life of the blade is reduced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a protector for axial-flow induced-draft fan blade, includes axial-flow induced-draft fan, axial-flow induced-draft fan's inside is provided with the blade, the front side of blade is provided with the annular pipe, the shower nozzle is installed in the outside of annular pipe, and shower nozzle and annular pipe threaded connection, the annular pipe is provided with three, the shower nozzle is provided with a plurality of.
Preferably, the inside of axial-flow induced-draft fan is provided with the protective housing, the support is installed in the outside of protective housing, the internally mounted of protective housing has the motor, install the transmission case on the preceding terminal surface of protective housing.
Preferably, an output shaft is arranged in the transmission case, the output shaft and the motor are arranged into an integrated structure, the output shaft and the blades are fixedly connected through bolts, and a driving gear is arranged on the outer side of the output shaft.
Preferably, a driven gear is arranged in the transmission case and is connected with the driving gear in a meshed mode, a driving shaft is arranged above the transmission case and is connected with the transmission case in a rotating mode through a bearing, and the driving shaft is fixedly connected with the driven gear through a fastening screw.
Preferably, the booster pump and the pulse valve are respectively installed above the axial-flow induced draft fan, the booster pump is connected with the pulse valve through an air pipe, the pulse valve is connected with the annular pipe through an air pipe, the filter grille is installed inside the axial-flow induced draft fan, the filter grille is fixedly connected with the axial-flow induced draft fan through a fastening screw, and the blocking column is arranged inside the pulse valve.
Preferably, the outside of blocking post is provided with the fender dish, and keeps off the dish and blocking post sets up as an organic whole structure, the inside of pulse valve is provided with cuts off the dish, cut off dish and blocking post sliding connection, the compression spring is installed to the below of cutting off the dish, and compression spring passes through fastening screw fixed connection with cutting off the dish, compression spring's inboard is provided with stable axle, stable axle passes through fastening screw fixed connection with pulse valve, cut off dish and stable axle sliding connection.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the arrangement of the annular pipes and the spray heads, the three annular pipes are arranged in a sleeve manner, the diameters of the three annular pipes are decreased from outside to inside in proportion, the spray heads are arranged on the annular pipes and are uniformly distributed at the circle centers of the annular pipes, so that the high-pressure air flow can be conveyed into the annular pipes, and then the high-pressure air flow is sprayed on the surfaces of blades of the axial flow induced draft fan through the spray heads, thereby realizing the effect of directly blowing and cleaning the surfaces of the blades, and carrying out targeted cleaning and protection on the blades, so that a large amount of corrosive dirt is prevented from adhering to the surfaces of the blades, and the service life of the blades is prolonged.
According to the utility model, through the arrangement of the booster pump and the pulse valve, the booster pump can boost air, then the air is conveyed into the pulse valve, and then the air is conveyed into the annular pipe in a pulse mode by the pulse valve, so that the air flow sprayed by the spray head is pulse air flow, and the blades are cleaned by the pulse air flow, so that the cleaning effect is improved.
Drawings
FIG. 1 is a schematic view of the internal structure of a protector for blades of an axial-flow induced-draft fan according to the present utility model;
FIG. 2 is a front view of the annular tube of the present utility model;
FIG. 3 is a schematic view showing the internal structure of the booster pump of the present utility model;
fig. 4 is an enlarged schematic view of the present utility model at a.
In the figure: 1. an axial flow induced draft fan; 2. a protective shell; 3. a bracket; 4. a motor; 5. a blade; 6. an annular tube; 7. a filter grid; 8. a drive shaft; 9. a booster pump; 10. a pulse valve; 11. a spray head; 12. plugging the column; 13. a partition plate; 14. a baffle disc; 15. a stabilizing shaft; 16. a compression spring; 17. a transmission case; 18. an output shaft; 19. a drive gear; 20. a driven gear.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a protector for axial-flow induced-draft fan blade, includes axial-flow induced-draft fan 1, and axial-flow induced-draft fan 1's inside is provided with blade 5, and blade 5's front side is provided with annular pipe 6, and shower nozzle 11 is installed in annular pipe 6's outside, and shower nozzle 11 and annular pipe 6 threaded connection, annular pipe 6 are provided with three, and shower nozzle 11 is provided with a plurality of.
During the use, through the setting of ring pipe 6 and shower nozzle 11, ring pipe 6 is provided with three, and three ring pipe 6 sets up with sheathed tube form, and the diameter of three ring pipe 6 is by outside in the scale decline, and shower nozzle 11 sets up on ring pipe 6 to ring pipe 6's centre of a circle evenly distributed to the accessible carries high-pressure air current to ring pipe 6's inside, then sprays the surface of axial-flow induced draught fan blade with high-pressure air current through shower nozzle 11, realizes the effect to blade 5 surface direct blowing dirt-removing, carries out the clean protection of pertinence to blade 5, thereby avoids a large amount of corrosivity dirt to adhere to at the surface of blade, improves the life of blade 5.
Further, the inside of axial-flow induced-draft fan 1 is provided with protective housing 2, and support 3 is installed in the outside of protective housing 2, and the internally mounted of protective housing 2 has motor 4, installs transmission case 17 on the preceding terminal surface of protective housing 2, and protective housing 2 and axial-flow induced-draft fan 1 all pass through bolt and support 3 fixed connection, and motor 4 passes through fastening screw fixed connection with protective housing 2, and transmission case 17 passes through fastening screw fixed connection with protective housing 2.
Further, an output shaft 18 is arranged in the transmission case 17, the output shaft 18 and the motor 4 are integrally formed, the output shaft 18 and the blades 5 are fixedly connected through bolts, a driving gear 19 is arranged on the outer side of the output shaft 18, and the driving gear 19 and the output shaft 18 are fixedly connected through fastening screws.
Further, a driven gear 20 is arranged in the transmission case 17, the driven gear 20 is connected with the driving gear 19 in a meshed mode, the driving shaft 8 is arranged above the transmission case 17, the driving shaft 8 is connected with the transmission case 17 in a rotating mode through a bearing, the driving shaft 8 is fixedly connected with the driven gear 20 through a fastening screw, and the driven gear 20 and the driving gear 19 are bevel gears.
Further, booster pump 9 and pulse valve 10 are installed respectively to the top of axial-flow induced-draft fan 1, booster pump 9 and pulse valve 10 pass through the trachea and are connected, pulse valve 10 and annular pipe 6 pass through the trachea and are connected, the internally mounted of axial-flow induced-draft fan 1 has filter grille 7, and filter grille 7 and axial-flow induced-draft fan 1 pass through fastening screw fixed connection, the inside of pulse valve 10 is provided with blocks up post 12, be provided with the fixed bolster between annular pipe 6 and the axial-flow induced-draft fan 1, utilize the fixed bolster to fix annular pipe 6, the power supply of booster pump 9 is drive shaft 8.
Further, a baffle plate 14 is arranged on the outer side of the blocking column 12, the baffle plate 14 and the blocking column 12 are arranged into an integrated structure, a separation plate 13 is arranged in the pulse valve 10, the separation plate 13 is in sliding connection with the blocking column 12, a compression spring 16 is arranged below the separation plate 13, the compression spring 16 is fixedly connected with the separation plate 13 through a fastening screw, a stable shaft 15 is arranged on the inner side of the compression spring 16, the stable shaft 15 is fixedly connected with the pulse valve 10 through the fastening screw, the separation plate 13 is in sliding connection with the stable shaft 15, the separation plate 13 is arranged below the baffle plate 14, and four compression springs 16 and the stable shaft 15 are arranged.
Working principle: when the air-conditioning device is used, the motor 4 is started, the motor 4 drives the output shaft 18 to rotate, the output shaft 18 drives the blades 5 to rotate, drainage is realized through rotation of the blades 5, the output shaft 18 also drives the driving gear 19 to rotate, the driving gear 19 drives the driving shaft 8 to rotate through the driven gear 20, the driving shaft 8 is a power source of the booster pump 9, the booster pump 9 is used for conveying high-pressure air flow to the pulse valve 10, the high-pressure air flow is collected in the pulse valve 10 and is collected above the partition plate 13, the space pressure above the partition plate 13 is increased to compress the compression spring 16, the partition plate 13 is enabled to descend, when the partition plate 13 is completely lowered to the lower end of the blocking column 12, air can enter the lower half space of the pulse valve 10 through a perforation in the middle of the partition plate 13, so that the pressure above the partition plate 13 is released, the partition plate 13 can reciprocate up and down, the high-pressure air flow is conveyed into the annular pipe 6 in a pulse mode, and then the high-pressure pulse air flow is sprayed to the surface of the blades 5 through the spray heads 11 of the annular pipe 6, and cleaning and protecting work of the blades 5 is realized.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a protector for axial fan blade, includes axial fan (1), its characterized in that: the inside of axial-flow draught fan (1) is provided with blade (5), the front side of blade (5) is provided with annular pipe (6), shower nozzle (11) are installed in the outside of annular pipe (6), and shower nozzle (11) and annular pipe (6) threaded connection, annular pipe (6) are provided with three, shower nozzle (11) are provided with a plurality of.
2. The protector for axial flow induced draft fan blade as claimed in claim 1, wherein: the inside of axial-flow induced-draft fan (1) is provided with protective housing (2), support (3) are installed in the outside of protective housing (2), internally mounted of protective housing (2) has motor (4), install transmission case (17) on the preceding terminal surface of protective housing (2).
3. The protector for axial flow induced draft fan blade according to claim 2, wherein: the inside of transmission case (17) is provided with output shaft (18), output shaft (18) and motor (4) set up to an organic whole structure, output shaft (18) pass through bolt fixed connection with blade (5), drive gear (19) are installed in the outside of output shaft (18).
4. A protector for an axial flow induced draft fan blade as claimed in claim 3 wherein: the inside of transmission case (17) is provided with driven gear (20), driven gear (20) and drive gear (19) interlock are connected, drive shaft (8) are installed to the top of transmission case (17), and drive shaft (8) are connected through the bearing rotation with transmission case (17), drive shaft (8) are through fastening screw fixed connection with driven gear (20).
5. The protector for axial flow induced draft fan blade as claimed in claim 1, wherein: the utility model discloses a high-pressure air conditioner, including axial-flow induced-draft fan (1), booster pump (9) and pulse valve (10) are installed respectively to the top of axial-flow induced-draft fan (1), booster pump (9) are connected through the trachea with pulse valve (10), pulse valve (10) are connected through the trachea with annular pipe (6), internally mounted of axial-flow induced-draft fan (1) has filtration grid (7), and filtration grid (7) pass through fastening screw fixed connection with axial-flow induced-draft fan (1), the inside of pulse valve (10) is provided with blocking post (12).
6. The protector for an axial flow induced draft fan blade as claimed in claim 5, wherein: the outside of blocking post (12) is provided with fender dish (14), and fender dish (14) set up as an organic whole structure with blocking post (12), the inside of pulse valve (10) is provided with cuts off dish (13), cut off dish (13) and blocking post (12) sliding connection, compression spring (16) are installed to the below of cutting off dish (13), and compression spring (16) and cut off dish (13) through fastening screw fixed connection, the inboard of compression spring (16) is provided with stable axle (15), stable axle (15) and pulse valve (10) pass through fastening screw fixed connection, cut off dish (13) and stable axle (15) sliding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320146835.2U CN219711907U (en) | 2023-02-08 | 2023-02-08 | Protection device for axial-flow induced-draft fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320146835.2U CN219711907U (en) | 2023-02-08 | 2023-02-08 | Protection device for axial-flow induced-draft fan blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219711907U true CN219711907U (en) | 2023-09-19 |
Family
ID=87997697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320146835.2U Active CN219711907U (en) | 2023-02-08 | 2023-02-08 | Protection device for axial-flow induced-draft fan blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219711907U (en) |
-
2023
- 2023-02-08 CN CN202320146835.2U patent/CN219711907U/en active Active
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| GR01 | Patent grant |