CN215890544U

CN215890544U - Fan blade for cooling tower

Info

Publication number: CN215890544U
Application number: CN202122324384.0U
Authority: CN
Inventors: 陈志刚; 贾广华
Original assignee: Shanghai Haoqiang Agricultural Machinery Co ltd
Current assignee: Shanghai Haoqiang Agricultural Machinery Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-02-22
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses a fan blade for a cooling tower, which comprises a rotary table and a plurality of fan blade bodies connected with the rotary table, wherein the fan blade bodies are arranged at equal intervals along the circumferential direction of the rotary table, and the inner wall of each fan blade body is provided with a cavity. This application has reduced the weight of blade self by a wide margin through the blade that sets up hollow structure to the loss of the reduction of power that can be by a wide margin at blade pivoted in-process.

Description

Fan blade for cooling tower

Technical Field

The utility model relates to the technical field of cooling towers, in particular to fan blades for a cooling tower.

Background

A cooling tower is a device for dissipating waste heat generated in industry or in a refrigerating air conditioner by evaporation using contact of water and air. In the working process of the fan, heat is absorbed from the system and is discharged into the atmosphere, heat exchange is carried out by utilizing water after flowing and contacting with air to generate steam, the steam volatilizes and takes away the heat to achieve the principles of evaporation heat dissipation, convection heat transfer, radiation heat transfer and the like to dissipate the evaporation heat dissipation device which is used for reducing the water temperature by preheating generated in the industry or in a refrigeration air conditioner, so as to ensure the normal operation of the system.

The inventor thinks that the fan blades of the cooling tower in the related art are of a solid structure, so that the power consumption is high in the rotating process of the fan blades, and the energy is wasted.

SUMMERY OF THE UTILITY MODEL

In order to improve among the relevant art cooling tower fan flabellum power dissipation great at the pivoted in-process, the problem of the extravagant energy, the application provides a fan flabellum that cooling tower was used.

The application provides a fan flabellum that cooling tower used adopts following technical scheme:

the utility model provides a fan blade that cooling tower was used, including the carousel and with a plurality of flabellum body that the carousel is connected, the flabellum body sets up along carousel circumference equidistance, the cavity has been seted up to the inner wall of flabellum body.

By adopting the technical scheme, the weight of the blades is greatly reduced, so that the required power is lower under the condition that the rotating speeds of the fans are the same, and the energy-saving fan has the beneficial effect of saving energy.

Optionally, the flabellum body all includes blade and petiole, the blade is equipped with the first bolt of a plurality of, the both sides of blade all are equipped with the first bolt male through-hole of a plurality of confession, the petiole is equipped with the through-hole that the first bolt of a plurality of confession passed, first bolt inserts the blade and passes behind the petiole, and is fixed through the nut.

Through adopting above-mentioned technical scheme, when needing to be changed the blade, the first bolt of unscrewing takes off old blade, then changes new blade and fixes through first bolt and nut, has the beneficial effect of conveniently changing the blade.

Optionally, a plurality of supporting plates for supporting the cavity are arranged in the cavity, and each supporting plate extends from one end of each blade to the other end of each blade.

Through adopting above-mentioned technical scheme, improved the intensity of blade, at blade pivoted in-process, the setting up of backup pad makes the blade be difficult to take place to sink or deform.

Optionally, the fan blade body further comprises a cover body for sealing the cavity, the cover body is connected with the blades through a plurality of second bolts, and the cover body is provided with a through hole for the blade handle to penetrate through.

Through adopting above-mentioned technical scheme, when the blade is inside to take place to damage, loosen the second bolt soon, take off the lid to repair blade inside, repair the completion back, cover the lid, screw up the second bolt fastening, have the convenient beneficial effect of repairing blade inside.

Optionally, a fixing block is arranged on the inner wall of the cavity, a limiting hole for the petiole to pass through is formed in the fixing block, and the petiole is in clearance fit with the side wall of the limiting hole.

Through adopting above-mentioned technical scheme, the fixed block is further spacing to the petiole for the petiole is more difficult to take place unexpected removal.

Optionally, the first bolts are provided with spacers, and the spacers are located between the first bolts and the side walls of the blades.

Through adopting above-mentioned technical scheme, when precession first bolt, more effort is used in on the gasket, has the beneficial effect that makes the blade be difficult to take place deformation.

Optionally, the fan blade body still includes the fixed plate, the fixed plate is located the blade is kept away from to the petiole one end be provided with a plurality of third bolt on the fixed plate, the fixed plate is provided with a plurality of and supplies third bolt male through-hole, after inserting the fixed plate, the third bolt with carousel threaded connection.

By adopting the technical scheme, when the fan blade needs to be disassembled, the third bolts are unscrewed, and the fan blade body is taken down; when fan blades need to be installed, the third bolts are screwed down, the blade bodies are fixed on the rotary disc, and the fan blade mounting structure has the beneficial effect of being convenient to detach or install the fan blades.

Optionally, the two sides of the blade are both provided with reinforcing ribs, and the length direction of the reinforcing ribs is the same as that of the blade.

Through adopting above-mentioned technical scheme, the setting up of strengthening rib makes the intensity of blade further strengthen, the stronger wind-force of adaptation that can be better.

In summary, the present application includes at least one of the following benefits:

the weight of the blades is greatly reduced, so that the required power is lower under the condition of the same rotating speed of the fan, and the energy-saving fan has the beneficial effect of saving energy.

Drawings

Fig. 1 is a perspective view of fan blades for a cooling tower in an embodiment of the present application.

FIG. 2 is a perspective view of a fan blade body according to an embodiment of the present disclosure.

FIG. 3 is a cross-sectional view of a fan blade body in an embodiment of the present application.

Fig. 4 is an enlarged schematic view of a point a in fig. 2 in the embodiment of the present application.

Description of reference numerals: 1. reinforcing ribs; 2. a fan blade body; 21. a petiole; 22. a blade; 23. a cavity; 24. a cover body; 25. a fixing plate; 3. a support plate; 4. a first bolt; 5. a second bolt; 6. a fixed block; 7. a limiting hole; 8. a gasket; 9. a third bolt; 10. a turntable; 101. a connecting plate; 11. a fourth bolt; 12. an upper cover body; 13. a lower cover body.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses fan blade for cooling tower. Referring to fig. 1 and 4, the fan blade for the cooling tower includes a rotating disk 10 and a plurality of blade bodies 2, the rotating disk 10 includes a connecting plate 101, each blade body 2 includes a blade shank 21, a blade 22, a cover 24 and a fixing plate 25, the blade 22 is provided with a plurality of first bolts 4, each first bolt 4 is provided with a gasket 8, each gasket 8 is located between each first bolt 4 and the corresponding blade 22, each gasket 8 is provided with a through hole for the first bolt 4 to pass through, each blade 22 is provided with a plurality of through holes for the first bolts 4 to insert into at both sides, the blade shank 21 is made of carbon steel with a number of twenty, the blade shank 21 is provided with a plurality of through holes for the first bolts 4 to pass through, after the first bolts 4 are inserted into the blades 22 and pass through the blade shanks 21, the other sides of the blades 22 are fixed by nuts, the fixing plate 25 is fixedly connected with the blade shanks 21, the fixing plate 25 is located at one end of the blade shank 21 far from the blades 22, the fixing plate 25 is provided with a plurality of third bolts 9, the fixing plate 25 is provided with a plurality of through holes for inserting the third bolts 9, and the third bolts 9 are inserted into the fixing plate 25 and then are in threaded connection with the connecting plate 101. A plurality of flabellum body 2 sets up along carousel 10 circumference equidistance.

Referring to fig. 1, an upper cover 12 is disposed on an upper surface of a rotary table 10, a lower cover 13 is disposed on a lower surface of the rotary table 10, a through hole for inserting a connecting plate 101 is formed between the upper cover 12 and the lower cover 13, the rotary table 10 is provided with a plurality of fourth bolts 11, the upper cover 12 is provided with a through hole for inserting the fourth bolts 11, the rotary table 10 is provided with a through hole for inserting the fourth bolts 11, the lower cover 13 is provided with a through hole for inserting the fourth bolts 11, and the fourth bolts 11 are fixed by nuts after passing through the upper cover 12, the rotary table 10 and the lower cover 13, so that the rotary table 10 is not prone to oxidation corrosion.

Referring to fig. 2, the cover 24 is disposed at an end of the blade 22 close to the fixing plate 25, the cover 24 is provided with a through hole for the blade 22 to pass through, the cover 24 is provided with a plurality of second bolts 5, the cover 24 is provided with a plurality of through holes for the second bolts 5 to be inserted into, and the second bolts 5 are inserted into the cover 24 and then are in threaded connection with the blade 22. The two sides of the blade 22 are provided with the reinforcing ribs 1, the length direction of the reinforcing ribs 1 is the same as that of the blade 22, and the strength of the blade 22 is improved.

Referring to fig. 3, the blade 22 is made of an aluminum alloy material, a cavity 23 is formed in the inner wall of the blade 22, a plurality of support plates 3 for supporting the cavity 23 are arranged on the inner wall of the blade 22, the support plates 3 extend from one end of the blade 22 to the other end of the blade 22, and the number of the support plates 3 is four in the embodiment of the present application. The inner wall of the blade 22 is provided with a fixing block 6, the fixing block 6 is positioned in the cavity 23, the fixing block 6 is provided with a limiting hole 7 used for limiting the blade handle 21, and the blade handle 21 penetrates through the limiting hole 7 and then is in clearance fit with the side wall of the limiting hole 7.

The implementation principle of the fan blade for the cooling tower in the embodiment of the application is as follows: when the fan blade works, the weight of the fan blade body 2 is greatly reduced due to the hollow structure of the fan blade body 2, so that the energy consumption of the fan generated when the rotating speed is the same is low, and meanwhile, the strength of the fan blade body 2 is ensured due to the arrangement of the supporting plate 3 and the reinforcing ribs 1, so that the blades 22 are not easy to damage.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fan blade that cooling tower was used, including carousel (10) and with a plurality of flabellum body (2) that carousel (10) are connected, flabellum body (2) set up its characterized in that along carousel (10) circumference equidistance: the inner wall of the fan blade body (2) is provided with a cavity (23).

2. A fan blade for a cooling tower as claimed in claim 1, wherein: fan blade body (2) all include blade (22) and petiole (21), blade (22) are equipped with the first bolt of a plurality of (4), the both sides of blade (22) all are equipped with the through-hole that a plurality of supplied first bolt (4) to insert, petiole (21) are equipped with the through-hole that a plurality of supplied first bolt (4) to pass, first bolt (4) insert blade (22) and pass petiole (21) after, fixed through the nut.

3. A fan blade for a cooling tower as claimed in claim 1, wherein: the blade support is characterized in that a plurality of support plates (3) used for supporting the cavity (23) are arranged in the cavity (23), and each support plate (3) extends to the other end of each blade (22) from one end of each blade (22).

4. A fan blade for a cooling tower as claimed in claim 2, wherein: the fan blade body (2) further comprises a cover body (24) used for sealing the cavity (23), the cover body (24) is connected with the blades (22) through a plurality of second bolts (5), and the cover body (24) is provided with through holes for the blade handles (21) to penetrate.

5. A fan blade for a cooling tower as claimed in claim 1, wherein: the inner wall of the cavity (23) is provided with a fixing block (6), the fixing block (6) is provided with a limiting hole (7) for the petiole (21) to penetrate through, and the petiole (21) is in clearance fit with the side wall of the limiting hole (7).

6. A fan blade for a cooling tower as claimed in claim 2, wherein: the first bolts (4) are provided with gaskets (8), and the gaskets (8) are located between the first bolts (4) and the side walls of the blades (22).

7. A fan blade for a cooling tower as claimed in claim 2, wherein: flabellum body (2) still include fixed plate (25), fixed plate (25) are located the one end of blade (22) is kept away from in petiole (21) be provided with a plurality of third bolt (9) on fixed plate (25), fixed plate (25) are provided with a plurality of and supply third bolt (9) male through-hole, third bolt (9) insert behind fixed plate (25) with carousel (10) threaded connection.

8. A fan blade for a cooling tower as claimed in claim 2, wherein: the two sides of the blade (22) are provided with reinforcing ribs (1), and the length direction of the reinforcing ribs (1) is the same as that of the blade (22).