CN111734661A - Safe and reliable and quill shaft industrial fan that heat dissipation function is strong - Google Patents
Safe and reliable and quill shaft industrial fan that heat dissipation function is strong Download PDFInfo
- Publication number
- CN111734661A CN111734661A CN202010729218.6A CN202010729218A CN111734661A CN 111734661 A CN111734661 A CN 111734661A CN 202010729218 A CN202010729218 A CN 202010729218A CN 111734661 A CN111734661 A CN 111734661A
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- China
- Prior art keywords
- hollow shaft
- heat dissipation
- reliable
- safe
- dissipation function
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/088—Ceiling fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a safe, reliable and strong heat dissipation hollow shaft industrial fan, which comprises a hanger component, a hollow shaft, a motor driving part, a plurality of fan blades and an anti-falling central support rod, wherein the hollow shaft is fixed at the bottom end of the hanger component, an up-and-down through channel is formed in the hollow shaft, the motor driving part is arranged on the periphery of the hollow shaft, the fan blades are driven by the motor driving part to rotate, the anti-falling central support rod penetrates through the hollow shaft, a central tray capable of supporting the motor driving part is arranged at the bottom of the anti-falling central support rod, a plurality of hanging rings are arranged on the periphery of the hanger component, the hanging rings are stably hung on a roof through first steel wire ropes penetrating through the hanging rings, and the upper. The invention has firm and reliable connection, high safety performance and good heat dissipation effect.
Description
Technical Field
The invention belongs to the technical field of industrial fans, and particularly relates to a hollow shaft industrial fan which is safe, reliable and strong in heat dissipation function.
Background
The industrial ceiling fan is a common industrial machine which is widely applied to high-volume spaces such as industrial factory buildings, logistics storage, waiting rooms, exhibition halls, gymnasiums, super-business rooms and the like, and used for ventilating the spaces and cooling personnel. The novel air flow layer can push a large amount of air flow to the ground, and the air flow layer at a certain height moves horizontally on the ground, so that the whole air circulation is facilitated, the benefit lies in the omnibearing ground covering and the three-dimensional circulation of air, and the natural ventilation and the overlarge covering area can be realized.
When weather changes heat, particularly in summer, indoor working temperature of large-scale places, particularly industrial factory buildings, becomes increasingly hot, the cooling effect of the traditional fan is very limited in a high-temperature day of thirty degrees, and the central air conditioner is difficult to realize even if the problem of energy consumption is not considered, so that the industrial ceiling fan is a feasible solution.
Although current industry ceiling fan possess a great deal of advantage, nevertheless still exist not enoughly in the aspect of safety, noise and motor heat dissipation, because this type of flabellum size is huge, flabellum length can reach 7.3 meters, if the ceiling fan part especially motor drops, harm is huge to the operating personnel of below, and because current industry fan adopts ordinary asynchronous machine and reduction gear drive, the noise is very big when the ceiling fan moves in this mode, in the aspect of the motor, because current ceiling fan motor, except that the conventional mode that adopts the motor fin cools down, lack better heat dissipation structure mode, the radiating effect is relatively poor, the life to the ceiling fan leads to the fact unfavorable influence unavoidably.
In the prior art, patent No. CN201920902927.2 discloses an industrial ceiling fan, which uses a steel wire rope as a safety means for preventing falling off, but the industrial ceiling fan still falls off after falling off, so that the safety performance of the industrial ceiling fan needs to be improved, and the heat dissipation effect is not ideal.
Therefore, there is a need to provide a new hollow shaft industrial fan with high safety, reliability and heat dissipation capability to solve the above-mentioned technical problems.
Disclosure of Invention
The invention mainly aims to provide a hollow shaft industrial fan which is safe, reliable and strong in heat dissipation function, firm and reliable in connection, high in safety performance and good in heat dissipation effect.
The invention realizes the purpose through the following technical scheme: the utility model provides a safe and reliable and quill shaft industrial fan that heat dissipation function is strong, its includes hanger subassembly, fixes hanger subassembly bottom and inside be formed with from top to bottom link up the quill shaft of passageway, set up and be in the motor drive spare of quill shaft periphery, receive the motor drive spare drive carries out a plurality of flabellums of rotation, passes the central die-pin of anticreep of quill shaft, anticreep center die-pin bottom is provided with and can holds in motor drive spare's central tray, hanger subassembly's periphery is provided with a plurality of links and through passing the stable string of first wire rope of link is established at the roof, the upper portion of the central die-pin of anticreep is hung through second wire rope and is established at the roof.
Furthermore, a plurality of radiating fins are arranged in the hollow shaft.
Further, the hanger subassembly includes the connecting rod, fixes the first connecting piece that just is used for being connected with top mounting panel or roof at connecting rod top, fix the second connecting piece of connecting rod bottom, be provided with the auris piece on the second connecting piece, it forms to have seted up the through-hole on the auris piece the link.
Further, the lower surface of the second connecting piece is fixedly connected with the top of the hollow shaft.
Further, the hollow shaft includes a hollow annular disc having a receiving cavity formed therein, a first hollow shaft body extending upward from an upper surface of the hollow annular disc, and a second hollow shaft body extending downward from a lower surface of the hollow annular disc.
Further, the radiating fins are distributed in the containing cavity at intervals in an annular mode, and the containing cavity is communicated with the through channel.
Further, the pair of bearings are respectively installed on the peripheries of the first hollow shaft body and the second hollow shaft body.
Further, the motor driving part comprises a stator assembly fixedly and tightly held on the outer peripheral surface of the hollow shaft, and a rotor assembly which is matched with the stator assembly to realize rotation; the rotor assembly comprises an upper rotating plate fixedly connected with one bearing outer ring, a lower rotating plate fixedly connected with the other bearing outer ring, and a magnetic steel cylinder body which connects the upper rotating plate and the lower rotating plate together along the outer circumference.
Further, the anti-dropping central support rod penetrates through the through channel.
Compared with the prior art, the hollow shaft industrial fan which is safe, reliable and strong in heat dissipation function has the beneficial effects that: the device is provided with triple safety anti-drop means: 1) the first connecting piece at the top of the hanger component is fixedly connected with the roof or the top connecting piece, so that a first heavy protection measure is taken; 2) the hanging rack component is hung on the roof by utilizing a plurality of first steel wire ropes in an annular and uniform manner to form a second heavy protection measure, and when the first heavy protection measure fails, the first steel wire ropes can play a role in preventing falling; 3) the upper part of the anti-falling central support rod is hung on the roof by a second steel wire rope through arranging the anti-falling central support rod penetrating through the hollow shaft, and the bottom of the anti-falling central support rod is provided with a central tray; the reliability and the safety of connection are greatly improved, and the safety risk caused by the falling of the fan is effectively solved; in addition, through the arrangement of the hollow shaft structure and the arrangement of the plurality of heat dissipation ribs in the accommodating cavity of the hollow shaft, when the fan works, the fan blades blow up the airflow above the fan blades, so that the airflow can flow through the hollow shaft and enter the accommodating cavity, the hollow shaft is cooled and dissipated, and the heat dissipation effect is greatly improved.
[ description of the drawings ]
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic structural view of the fan of the present invention with the fan blades removed;
FIG. 3 is a schematic diagram of a partial cross-sectional structure of an embodiment of the present invention;
the figures in the drawings represent:
100 hollow shaft industrial fan with safety, reliability and strong heat dissipation function;
1, a hanger component, 11 connecting rods, 12 first connecting pieces, 13 second connecting pieces, 14 lug hanging pieces and 15 hanging rings; 2 hollow shaft, 21 containing cavity, 22 hollow annular disc, 23 first hollow shaft, 24 second hollow shaft, 25 through channel; 3, a motor driving part, an upper rotating plate 31, a lower rotating plate 32, a magnetic steel cylinder 33, an annular cavity 34, a stator assembly 35 and a bearing 36; 4, fan blades; 5 anti-drop center support rod, 51 center tray; 6 a heat sink.
[ detailed description ] embodiments
Example (b):
referring to fig. 1 to 3, the present embodiment provides a safe and reliable hollow shaft industrial fan 100 with a strong heat dissipation function, which includes a hanger assembly 1, a hollow shaft 2 fixed at a bottom end of the hanger assembly 1 and having an upper and lower through channel 25 formed therein, a motor driving member 3 mounted on an outer periphery of the hollow shaft 2 through a pair of bearings 36, a plurality of blades 4 driven by the motor driving member 3 to rotate, an anti-falling center support rod 5 passing through the hollow shaft 2 and having a center tray 51 at a bottom thereof for supporting the motor driving member 3, a plurality of hanging rings 15 mounted on an outer periphery of the hanger assembly 1 and stably hung on a roof through first steel cables (not shown) passing through the hanging rings 15, an upper portion of the anti-falling center support rod 5 being hung on the roof through a second steel cable (not shown), and a plurality of heat dissipation fins 6 being disposed in the hollow shaft 2.
The hanger component 1 comprises a connecting rod 11, a first connecting piece 12 fixed at the top of the connecting rod 11 and used for being connected with a top mounting plate or a roof, and a second connecting piece 13 fixed at the bottom of the connecting rod 11, wherein a hanging lug piece 14 is arranged on the second connecting piece 13, and a through hole is formed in the hanging lug piece 14 to form a hanging ring 15. The lower surface of the second connecting member 13 is fixedly connected to the top of the hollow shaft 2, specifically, by screws.
The hollow shaft 2 comprises a hollow annular disc 22 with a hollow accommodating cavity 21, a first hollow shaft body 23 extending upwards from the upper surface of the hollow annular disc 22, and a second hollow shaft body 24 extending downwards from the lower surface of the hollow annular disc 22, wherein the heat radiating fins 6 are distributed in the accommodating cavity 21 at intervals. The pair of bearings are respectively mounted on the outer peripheries of the first hollow shaft body 23 and the second hollow shaft body 24. The housing cavity 21 communicates with the through passage 25.
The motor driving part 3 comprises a stator assembly 35 fixedly and tightly held on the outer peripheral surface of the hollow shaft 2 and a rotor assembly which is matched with the stator assembly 35 to realize rotation. The rotor assembly comprises an upper rotating plate 31 fixedly connected with one of the bearing outer rings, a lower rotating plate 32 fixedly connected with the other bearing outer ring, and a magnetic steel cylinder 33 connecting the upper rotating plate 31 and the lower rotating plate 32 together along the outer circumference. The stator assembly 35 is disposed in an annular cavity 34 formed by the magnetic steel cylinder 33 and the hollow shaft 2. The stator assembly 35 is fixedly held tightly on the outer peripheral surface of the hollow annular disk 22. The motor driver 3 is a permanent magnet synchronous brushless motor (outer rotor type). The magnet cylinder 33 rotates while carrying the upper rotating plate 31 and the lower rotating plate 32 for synchronous rotational movement around the hollow shaft 2. The motor driving piece 3 is a permanent magnet synchronous brushless motor
The fan blades 4 are fixed on the upper rotating plate 31 in an equiangular ring shape. In this embodiment, five fan blades 4 are provided, and in other embodiments, the number of the fan blades 4 can be flexibly designed according to requirements.
The anti-dropping central support rod 5 penetrates through the through channel 25 of the central shaft 2, and the diameter of the central tray 51 fixedly arranged at the bottom is larger than the inner diameter of the central hole of the lower rotating plate 32, so that the central tray 51 can support the lower rotating plate 32.
The hollow shaft industrial fan 100 of the present embodiment is safe, reliable, and has a strong heat dissipation function, and is provided with three safety anti-dropping means: 1) the first connecting piece at the top of the hanger component is fixedly connected with the roof or the top connecting piece, so that a first heavy protection measure is taken; 2) the hanging rack component is hung on the roof by utilizing a plurality of first steel wire ropes in an annular and uniform manner to form a second heavy protection measure, and when the first heavy protection measure fails, the first steel wire ropes can play a role in preventing falling; 3) the upper part of the anti-falling central support rod is hung on the roof by a second steel wire rope through arranging the anti-falling central support rod penetrating through the hollow shaft, and the bottom of the anti-falling central support rod is provided with a central tray; the reliability and the safety of connection are greatly improved, and the safety risk caused by the falling of the fan is effectively solved; in addition, through the arrangement of the hollow shaft structure and the arrangement of the plurality of heat dissipation ribs in the accommodating cavity of the hollow shaft, when the fan works, the fan blades blow up the airflow above the fan blades, so that the airflow can flow through the hollow shaft and enter the accommodating cavity, the hollow shaft is cooled and dissipated, and the heat dissipation effect is greatly improved.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a safe and reliable and hollow shaft industrial fan that heat dissipation function is strong which characterized in that: it includes the hanger subassembly, fixes just inside quill shaft, the setting that link up the passageway from top to bottom that is formed with of hanger subassembly bottom are in the motor drive spare of quill shaft periphery, receive the motor drive spare drive carries out a plurality of flabellums of rotation, passes the anticreep center die-pin of quill shaft, anticreep center die-pin bottom is provided with and can holds in the center tray of motor drive spare, the periphery of hanger subassembly is provided with a plurality of links and through passing the stable string of first wire rope of link is established at the roof, the upper portion of anticreep center die-pin is hung through second wire rope and is established at the roof.
2. The industrial fan with hollow shaft according to claim 1, which is safe, reliable and has strong heat dissipation function, and is characterized in that: a plurality of radiating fins are arranged in the hollow shaft.
3. The industrial fan with hollow shaft according to claim 1, which is safe, reliable and has strong heat dissipation function, and is characterized in that: the hanger component comprises a connecting rod, a first connecting piece and a second connecting piece, wherein the first connecting piece is used for being connected with a top mounting plate or a roof, the second connecting piece is fixed to the bottom of the connecting rod, a hanging lug piece is arranged on the second connecting piece, and a through hole is formed in the hanging lug piece to form the hanging ring.
4. The industrial fan with hollow shaft according to claim 3, which is safe, reliable and has strong heat dissipation function, characterized in that: the lower surface of the second connecting piece is fixedly connected with the top of the hollow shaft.
5. The industrial fan with hollow shaft according to claim 2, which is safe, reliable and has strong heat dissipation function, characterized in that: the hollow shaft comprises a hollow annular disc, a first hollow shaft body and a second hollow shaft body, wherein the hollow annular disc is hollow inside and provided with a containing cavity, the first hollow shaft body extends upwards from the upper surface of the hollow annular disc, and the second hollow shaft body extends downwards from the lower surface of the hollow annular disc.
6. The industrial fan with hollow shaft according to claim 5, which is safe, reliable and has strong heat dissipation function, and is characterized in that: the radiating fins are distributed in the containing cavity at intervals in an annular mode, and the containing cavity is communicated with the through channel.
7. The industrial fan with hollow shaft according to claim 5, which is safe, reliable and has strong heat dissipation function, and is characterized in that: the pair of bearings are respectively installed on the peripheries of the first hollow shaft body and the second hollow shaft body.
8. The industrial fan with hollow shaft according to claim 1, which is safe, reliable and has strong heat dissipation function, and is characterized in that: the motor driving part comprises a stator assembly fixedly and tightly held on the peripheral surface of the hollow shaft and a rotor assembly which is matched with the stator assembly to realize rotation; the rotor assembly comprises an upper rotating plate fixedly connected with one bearing outer ring, a lower rotating plate fixedly connected with the other bearing outer ring, and a magnetic steel cylinder body which connects the upper rotating plate and the lower rotating plate together along the outer circumference.
9. The industrial fan with hollow shaft according to claim 1, which is safe, reliable and has strong heat dissipation function, and is characterized in that: the anti-falling central support rod penetrates through the through channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010729218.6A CN111734661A (en) | 2020-07-27 | 2020-07-27 | Safe and reliable and quill shaft industrial fan that heat dissipation function is strong |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010729218.6A CN111734661A (en) | 2020-07-27 | 2020-07-27 | Safe and reliable and quill shaft industrial fan that heat dissipation function is strong |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111734661A true CN111734661A (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010729218.6A Pending CN111734661A (en) | 2020-07-27 | 2020-07-27 | Safe and reliable and quill shaft industrial fan that heat dissipation function is strong |
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| CN (1) | CN111734661A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082294A1 (en) * | 2021-11-15 | 2023-05-19 | 深圳市大疆创新科技有限公司 | Coaxial two-propeller unmanned aerial vehicle, unmanned aerial vehicle set, and motor |
-
2020
- 2020-07-27 CN CN202010729218.6A patent/CN111734661A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023082294A1 (en) * | 2021-11-15 | 2023-05-19 | 深圳市大疆创新科技有限公司 | Coaxial two-propeller unmanned aerial vehicle, unmanned aerial vehicle set, and motor |
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