CN214173016U - All-steel cooling tower permanent magnet motor speed-changing energy-saving noise-reducing structure - Google Patents
All-steel cooling tower permanent magnet motor speed-changing energy-saving noise-reducing structure Download PDFInfo
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- CN214173016U CN214173016U CN202022619199.XU CN202022619199U CN214173016U CN 214173016 U CN214173016 U CN 214173016U CN 202022619199 U CN202022619199 U CN 202022619199U CN 214173016 U CN214173016 U CN 214173016U
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- cooling tower
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Abstract
The utility model discloses an all-steel cooling tower permanent magnet motor speed change energy-saving noise reduction structure, which comprises a permanent magnet motor and a bearing disc, wherein the surface of the bearing disc is provided with mounting holes in a penetrating way, and the outer side of the bearing disc is connected with blades; and a connecting shaft in plug-in fit with the mounting hole is formed on an output shaft of the permanent magnet motor, and a locking nut is arranged on the outer side of the connecting shaft through threads and is used for being matched with the output shaft to clamp and fix the bearing plate on the outer side of the connecting shaft. Has the advantages that: the permanent magnet motor directly drives the blades to rotate, so that the loss is small, the efficiency is high, the noise is greatly reduced, the maintenance is convenient, and the using effect is good.
Description
Technical Field
The utility model relates to a cooling tower fan technical field, concretely relates to all steel cooling tower permanent-magnet machine variable speed energy-saving noise reduction structure.
Background
The cooling tower is a device which uses water as circulating coolant, absorbs heat from a system and discharges the heat to the atmosphere so as to reduce the water temperature; the cold is an evaporation heat dissipation device which utilizes the principle that the heat is carried out by volatilization of steam to achieve evaporation heat dissipation, convection heat transfer, radiation heat transfer and the like to dissipate the waste heat generated in industry or refrigeration air conditioners to reduce the water temperature after the water is in flowing contact with the air to generate the steam through heat exchange.
The fan is an important component of the cooling tower and is mainly used for heat dissipation. However, the existing fan is composed of a motor, a speed changer, a belt transmission structure and a fan blade, the speed changer and the belt transmission structure are required for transmission, the loss is large, the efficiency is low, the maintenance cost is high, the noise is large, and the using effect is not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an all steel cooling tower permanent-magnet machine energy-saving noise reduction of variable speed structure just lies in solving above-mentioned problem to solve among the prior art present fan and have motor, derailleur, belt drive structure and fan leaf to constitute, need derailleur and belt drive structure to transmit, the loss is big, inefficiency, the maintenance cost is high, the noise is big, technical problem such as result of use is unsatisfactory. The utility model provides an it is rotatory that preferred technical scheme passes through permanent-magnet machine direct drive blade among a great deal of technical scheme, and the loss is little, efficient, greatly reduced the noise and be convenient for maintain, excellent in use effect wait technological effect, see the explanation below for details.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an all-steel cooling tower permanent magnet motor speed change energy-saving noise reduction structure, which comprises a permanent magnet motor and a bearing disc, wherein the surface of the bearing disc is provided with mounting holes in a penetrating way, and the outer side of the bearing disc is connected with blades;
and a connecting shaft in plug-in fit with the mounting hole is formed on an output shaft of the permanent magnet motor, and a locking nut is arranged on the outer side of the connecting shaft through threads and is used for being matched with the output shaft to clamp and fix the bearing disc on the outer side of the connecting shaft.
By adopting the speed-changing energy-saving noise-reducing structure of the permanent magnet motor of the all-steel cooling tower, the connecting shaft penetrates through the mounting hole, the locking nut is screwed outside the connecting shaft, the bearing disc is tightly pressed and fixed outside the connecting shaft through the locking nut and the output shaft, the permanent magnet motor is directly connected with the bearing disc, the permanent magnet motor directly drives the blades to rotate, transmission systems such as a belt transmission system and a speed reducer are omitted, the system efficiency is greatly improved, the structure has a stepless speed regulation function, the running rotating speed can be adjusted according to working conditions, the working efficiency is improved, the comprehensive energy saving is up to more than 30% compared with the traditional transmission mode, and the economic benefit is remarkable and considerable; due to the adoption of a direct drive mode, high noise pollution is avoided when the belt and the speed reducer are driven, and the influence on the noise of the surrounding environment is reduced to the maximum extent; the direct drive is adopted to reduce the traditional transmission fault points, and the maintenance cost is saved due to the fact that no belt or speed reducer is used for transmission; the structure is compact, the weight is light, the modular design is adopted, and the installation is simple, convenient and quick; and a speed reducer and a belt are not needed, so that the part of expense and the part of maintenance cost are saved.
Preferably, the connecting shaft comprises an inverted cone column, the inverted cone column is formed at the end part of the output shaft, and the small-diameter end of the inverted cone column is far away from the output shaft and is connected with a threaded column matched with the locking nut.
Preferably, the mounting hole inner wall is provided with the keyway, back taper post outside shaping have with keyway matched with connecting key.
Preferably, the connecting key is of a right-angled triangle structure, the hypotenuse of the connecting key is connected with the outer side of the inverted cone column, and the two right-angled sides of the connecting key are in a vertical state and a horizontal state respectively.
Preferably, the outer wall of the permanent magnet motor is formed with cooling fins, and the cooling fins extend along the axial direction of the permanent magnet motor and are uniformly distributed on the circumference of the axis of the permanent magnet motor.
Preferably, a mounting plate is formed on the outer side of the permanent magnet motor close to the output shaft, and a connecting through hole is formed in the surface of the mounting plate in a penetrating mode;
the mounting panel is provided with the polylith, and is petal structure evenly distributed and is in the permanent-magnet machine outside.
Preferably, an air guide cavity is arranged between the mounting plate and the radiating fin.
Preferably, the end part of the permanent magnet motor, which is far away from the output shaft, is connected with a blank cap, and a rubber water-blocking ring is arranged at the joint of the output shaft and the permanent magnet motor shell.
Has the advantages that: the permanent magnet motor directly drives the blades to rotate, so that the loss is small, the efficiency is high, the noise is greatly reduced, the maintenance is convenient, and the using effect is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is a schematic perspective view of a permanent magnet motor;
FIG. 4 is a front view of FIG. 3;
fig. 5 is an enlarged schematic view of part B of fig. 4.
The reference numerals are explained below:
1. a permanent magnet motor; 2. a carrier tray; 201. mounting holes; 202. a keyway; 3. a blade; 4. an output shaft; 5. a connecting shaft; 501. a reverse taper column; 502. a connecting bond; 503. a threaded post; 6. locking the nut; 7. covering the blank with a cover; 8. a heat sink; 9. mounting a plate; 901. a connecting through hole; 10. the wind-guiding chamber.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, the utility model provides an all-steel cooling tower permanent magnet motor speed-changing energy-saving noise-reducing structure, which comprises a permanent magnet motor 1 and a bearing disc 2, wherein the surface of the bearing disc 2 is provided with a mounting hole 201 in a penetrating way, and the outer side of the bearing disc 2 is connected with blades 3;
the output shaft 4 of the permanent magnet motor 1 is formed with a connecting shaft 5 which is in plug-in fit with the mounting hole 201, and the outer side of the connecting shaft 5 is provided with a locking nut 6 through threads for being matched with the output shaft 4 to clamp and fix the bearing disc on the outer side of the connecting shaft 5.
As an optional embodiment, the connecting shaft 5 includes an inverted cone column 501, the inverted cone column 501 is formed at the end of the output shaft 4, the small diameter end of the inverted cone column 501 is far away from the output shaft 4 and is connected with a threaded column 503 matched with the locking nut 6, and thus the connecting shaft 5 is conveniently inserted into the mounting hole 201 through the inverted cone column 501.
The mounting hole 201 inner wall is provided with keyway 202, and the shaping of the back taper post 501 outside has the connecting key 502 with keyway 202 matched with, sets up like this, can guarantee output shaft 4 to blade 3's drive stability.
The connection key 502 is the right triangle structure, and the hypotenuse of connection key 502 is connected with back taper post 501's the outside, and the two right-angle sides of connection key 502 are in vertical and horizontality respectively, set up like this, can make connection key 502 and keyway 202 fully contact, guarantee transmission stability.
The outer wall molding of permanent magnet motor 1 has fin 8, and fin 8 just sets up like this with permanent magnet motor 1's axis circumference evenly distributed along permanent magnet motor 1's axial extension, can improve permanent magnet motor 1's radiating effect.
The mounting plate 9 is formed on the outer side, close to the output shaft 4, of the permanent magnet motor 1, and the surface of the mounting plate 9 is provided with the connecting through hole 901 in a penetrating mode, so that the permanent magnet motor 1 can be conveniently mounted on the well frame through the mounting plate 9 and the connecting through hole 901;
the mounting panel 9 is provided with the polylith, and is petal shape structure evenly distributed in the permanent-magnet machine 1 outside, sets up like this, can guarantee permanent-magnet machine 1's installation steadiness.
An air guide cavity 10 is arranged between the mounting plate 9 and the radiating fins 8, so that air flow can fully contact with the radiating fins 8 through the air guide cavity 10, and the radiating effect of the permanent magnet motor 1 is guaranteed.
The end part, far away from the output shaft 4, of the permanent magnet motor 1 is connected with the blank cap 7, so that water vapor can be prevented from entering the interior of the permanent magnet motor 1 from the rear end cover of the permanent magnet motor 1 through the blank cap 7, and the waterproof effect is ensured; the handing-over department of output shaft 4 and permanent-magnet machine 1 casing is provided with the rubber ring that blocks water, sets up like this, blocks water through the rubber and encircles and can prevent that steam from getting into permanent-magnet machine 1 through the junction of output shaft 4 inside, guarantees water-proof effects.
By adopting the structure, the connecting shaft 5 penetrates through the mounting hole 201, the locking nut 6 is screwed on the outer side of the connecting shaft 5, the bearing disc 2 is tightly pressed and fixed on the outer side of the connecting shaft 5 through the locking nut 6 and the output shaft 4, the permanent magnet motor 1 is directly connected with the bearing disc 2, the blades 3 are directly driven to rotate through the permanent magnet motor 1, transmission systems such as belt transmission, speed reducers and the like are omitted, the system efficiency is greatly improved, the stepless speed regulation function is realized, the operating rotating speed can be adjusted according to the working condition, the working efficiency is improved, the comprehensive energy saving can reach more than 30% compared with the traditional transmission mode, and the economic benefit is remarkable and considerable; due to the adoption of a direct drive mode, high noise pollution is avoided when the belt and the speed reducer are driven, and the influence on the noise of the surrounding environment is reduced to the maximum extent; the direct drive is adopted to reduce the traditional transmission fault points, and the maintenance cost is saved due to the fact that no belt or speed reducer is used for transmission; the structure is compact, the weight is light, the modular design is adopted, and the installation is simple, convenient and quick; and a speed reducer and a belt are not needed, so that the part of expense and the part of maintenance cost are saved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides an all steel cooling tower permanent-magnet machine variable speed energy-saving noise reduction structure which characterized in that: the permanent magnet motor comprises a permanent magnet motor (1) and a bearing disc (2), wherein a mounting hole (201) penetrates through the surface of the bearing disc (2), and blades (3) are connected to the outer side of the bearing disc (2);
an output shaft (4) of the permanent magnet motor (1) is formed with a connecting shaft (5) which is matched with the mounting hole (201) in an inserting mode, and a locking nut (6) is installed on the outer side of the connecting shaft (5) through threads and used for being matched with the output shaft (4) to clamp and fix the bearing disc (2) on the outer side of the connecting shaft (5).
2. The all-steel cooling tower permanent magnet motor speed-changing energy-saving noise-reducing structure according to claim 1, characterized in that: the connecting shaft (5) comprises an inverted cone column (501), the inverted cone column (501) is formed at the end part of the output shaft (4), and the small-diameter end of the inverted cone column (501) is far away from the output shaft (4) and is connected with a thread column (503) matched with the locking nut (6).
3. The all-steel cooling tower permanent magnet motor speed-changing energy-saving noise-reducing structure according to claim 2, characterized in that: the inner wall of the mounting hole (201) is provided with a key groove (202), and a connecting key (502) matched with the key groove (202) is formed on the outer side of the inverted cone column (501).
4. The all-steel cooling tower permanent magnet motor speed-changing energy-saving noise-reducing structure according to claim 3, characterized in that: the connecting key (502) is of a right-angled triangle structure, the hypotenuse of the connecting key (502) is connected with the outer side of the inverted cone column (501), and the two right-angled sides of the connecting key (502) are in vertical and horizontal states respectively.
5. The all-steel cooling tower permanent magnet motor speed-changing energy-saving noise-reducing structure according to claim 1, characterized in that: the outer wall of the permanent magnet motor (1) is formed with cooling fins (8), and the cooling fins (8) extend along the axial direction of the permanent magnet motor (1) and are uniformly distributed on the circumference of the axis of the permanent magnet motor (1).
6. The all-steel cooling tower permanent magnet motor speed-changing energy-saving noise-reducing structure according to claim 5, characterized in that: a mounting plate (9) is formed on the outer side, close to the output shaft (4), of the permanent magnet motor (1), and a connecting through hole (901) penetrates through the surface of the mounting plate (9);
mounting panel (9) are provided with the polylith, and are petal structure evenly distributed and be in permanent-magnet machine (1) the outside.
7. The all-steel cooling tower permanent magnet motor speed-changing energy-saving noise-reducing structure according to claim 6, characterized in that: an air guide cavity (10) is arranged between the mounting plate (9) and the radiating fin (8).
8. The all-steel cooling tower permanent magnet motor speed-changing energy-saving noise-reducing structure according to claim 1, characterized in that: the end part, far away from the output shaft (4), of the permanent magnet motor (1) is connected with a blank cap (7), and a rubber water-blocking ring is arranged at the joint of the output shaft (4) and the shell of the permanent magnet motor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022619199.XU CN214173016U (en) | 2020-11-13 | 2020-11-13 | All-steel cooling tower permanent magnet motor speed-changing energy-saving noise-reducing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022619199.XU CN214173016U (en) | 2020-11-13 | 2020-11-13 | All-steel cooling tower permanent magnet motor speed-changing energy-saving noise-reducing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214173016U true CN214173016U (en) | 2021-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022619199.XU Active CN214173016U (en) | 2020-11-13 | 2020-11-13 | All-steel cooling tower permanent magnet motor speed-changing energy-saving noise-reducing structure |
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| Country | Link |
|---|---|
| CN (1) | CN214173016U (en) |
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2020
- 2020-11-13 CN CN202022619199.XU patent/CN214173016U/en active Active
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