CN217539068U - High temperature resistant centrifugal fan - Google Patents
High temperature resistant centrifugal fan Download PDFInfo
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- CN217539068U CN217539068U CN202221608204.XU CN202221608204U CN217539068U CN 217539068 U CN217539068 U CN 217539068U CN 202221608204 U CN202221608204 U CN 202221608204U CN 217539068 U CN217539068 U CN 217539068U
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- hollow tube
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Abstract
The utility model relates to a high temperature resistance centrifugal fan, which comprises a bracket, including a motor, an end cap, a controller, and a cover plate, fan shell and fan blade, fixed mounting can be dismantled in the support upper end to the motor, fan shell fixed mounting is in the support upper end, fan blade rotates and locates inside the fan shell, be equipped with transmission cooling body between motor and the fan blade, transmission cooling body includes the cooler bin, the hollow tube, transmission shaft and a plurality of fin, cooler bin fixed mounting is in fan shell rear end, the cooler bin is fixed to be located inside the hollow tube, the transmission shaft rotates and locates inside the hollow tube, all be equipped with the bearing between both sides around transmission shaft and the hollow tube, a plurality of fin annular fixed mounting are in the hollow tube outside, the inside packing of cooler bin has the conduction oil, the device can absorb the heat of transmission shaft transmission through hollow tube and the conduction oil that the cooler bin was equipped with, reduce the temperature of transmission shaft, protect the bearing of motor and transmission shaft, reduce the maintenance rate.
Description
Technical Field
The utility model belongs to the technical field of centrifugal fan, concretely relates to high temperature resistance centrifugal fan.
Background
Centrifugal fan wide application in chemical industry, petroleum, metallurgy, forging and pressing, electric power, nuclear power station, fields such as environmental protection, can take indoor high-temperature gas out through centrifugal fan, reduce indoor temperature, but current centrifugal fan is when extracting high-temperature gas, the temperature of fan casing and fan blade can rise, the high temperature of fan casing and fan blade can conduct to motor spindle and motor, the conduction of high temperature leads to the motor to break down easily, influence centrifugal fan's normal use, lead to the maintenance rate to rise, for this provide a high temperature resistance centrifugal fan and solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: aims to provide a high-temperature resistant centrifugal fan for solving the problems existing in the background technology.
In order to realize the technical purpose, the utility model discloses a technical scheme as follows:
a high-temperature resistant centrifugal fan comprises a support, a motor, a fan shell and a fan blade, wherein the motor is detachably and fixedly assembled at the upper end of the support, the fan shell is fixedly assembled at the upper end of the support, the fan blade is rotatably arranged in the fan shell, and a transmission cooling mechanism is arranged between the motor and the fan blade;
the transmission cooling mechanism comprises a cooling box, a hollow tube, a transmission shaft and a plurality of radiating fins, the cooling box is fixedly assembled at the rear end of the fan shell, the hollow tube is fixedly arranged inside the cooling box, the front end and the rear end of the hollow tube are communicated with the outside, the transmission shaft is rotatably arranged inside the hollow tube, the front end of the transmission shaft is rotatably penetrated through the fan shell and fixedly connected with fan blades, bearings are respectively assembled between the front side and the rear side of the transmission shaft and between the front side and the rear side of the hollow tube, the transmission shaft is in transmission connection with the motor, the plurality of radiating fins are annularly and fixedly assembled outside the hollow tube, and heat conducting oil is filled inside the cooling box.
The transmission shaft rear end and the equal fixed gear that is equipped with of motor output, two the transmission is connected with drive chain between the gear, the fixed safety cover that is equipped with in support upper end, two are located to the safety cover gear with drive chain is outside.
Both ends are all fixed and are equipped with radiator unit about the cooler bin, radiator unit is including supporting shell, radiator fan and a plurality of thermal-arrest piece, support the shell fixed assembly in the cooler bin side, radiator fan assemble in it keeps away from to support the shell cooler bin one side, it is a plurality of thermal-arrest piece fixed assembly in it is close to support the shell cooler bin one side, support the shell side and seted up a plurality of air inlets.
The cooling tank upper end is equipped with the inlet, the cooling tank downside is equipped with the liquid outlet.
The fan shell and the fan blade are both made of glass fiber reinforced plastics.
The utility model has the advantages that when the device is operated, the hollow pipe can transmit the heat on the transmission shaft, the heat can rapidly enter the heat-conducting oil to be diffused by the plurality of radiating fins, and the heat-conducting oil has good heat conductivity, so that the heat of the transmission shaft can be rapidly neutralized, the temperature of the transmission shaft is reduced, rapid cooling is realized, the bearing and the motor of the transmission shaft are protected, and high temperature overload is prevented to cause high temperature failure; carry out quick heat absorption through a plurality of thermal-arrest pieces to the cooler bin, rely on radiator fan to carry out high-efficient cooling to the thermal-arrest piece again, can carry out quick cooling to the cooler bin and handle, improve the cooler bin and to the cooling efficiency of transmission shaft.
Drawings
The invention can be further illustrated by means of non-limiting examples given in the figures.
Fig. 1 is a first schematic structural diagram of a first embodiment of a high temperature resistant centrifugal fan according to the present invention;
fig. 2 is a schematic structural diagram of a first embodiment of a high temperature resistant centrifugal fan according to the present invention;
fig. 3 is a schematic view of a partial cross-sectional structure of a first embodiment of a high temperature resistant centrifugal fan according to the present invention;
FIG. 4 is an enlarged schematic view at A in FIG. 3;
fig. 5 is a schematic structural view of a second embodiment of a high temperature resistant centrifugal fan according to the present invention;
FIG. 6 is an enlarged schematic view at B of FIG. 5;
the main element symbols are as follows:
the fan comprises a support 1, a motor 11, a fan shell 12, a fan blade 13, a cooling box 14, a hollow pipe 15, a transmission shaft 16, a radiating fin 17, a gear 21, a transmission chain 22, a protective cover 23, a supporting shell 24, an air inlet 241, a radiating fan 25, a heat collecting fin 26, an air inlet 27 and an air outlet 28.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.
The first embodiment is as follows:
as shown in fig. 1-4, the high temperature resistant centrifugal fan of the present invention comprises a support 1, a motor 11, a fan housing 12 and a fan blade 13, wherein the motor 11 is detachably and fixedly assembled at the upper end of the support 11, the fan housing 12 is fixedly assembled at the upper end of the support 1, the fan blade 13 is rotatably disposed inside the fan housing 12, and a transmission cooling mechanism is disposed between the motor 11 and the fan blade 13;
drive cooling body includes cooler bin 14, hollow tube 15, transmission shaft 16 and a plurality of fin 17, cooler bin 14 fixed mounting is in 12 rear ends of fan housing, inside cooler bin 14 was located to hollow tube 15 is fixed, both ends all communicate with the external world around the hollow tube 15, inside hollow tube 15 was located in the rotation of transmission shaft 16, 16 front ends of transmission shaft rotate and run through fan housing 12 and fan blade 13 fixed connection, all be equipped with the bearing between both sides around transmission shaft 16 and the hollow tube 15, transmission shaft 16 is connected with the transmission of motor 11, 17 annular fixed mountings in the 15 outsides of hollow tube of a plurality of fin, 14 inside packings of cooler bin have the conduction oil.
The motor 11 rotates to enable the fan blade 13 to rotate, so that the centrifugal fan can operate, the two bearings are respectively arranged in grooves formed in the front side and the rear side of the hollow pipe 15, and the transmission shaft 16 is assembled on the inner sides of the two bearings, so that the transmission shaft 16 is close to the inner side of the hollow pipe 15, and heat conduction is facilitated; when the device is used in an industrial scene, the device is usually arranged outside a plant, and high-temperature gas in the plant is extracted through a built pipeline;
when the device starts to extract indoor high-temperature gas, the motor 11 can drive the transmission shaft 16 to rotate, the transmission shaft 16 rotates the transmission to drive the fan blade 13 to rotate, so that the indoor high-temperature gas can be extracted, after the high-temperature gas is extracted for a period of time, the fan blade 13 and the fan shell 12 can be gradually heated up and then are conducted to the transmission shaft 16, because the transmission shaft 16 rotates in the hollow tube 15 through the bearing, the hollow tube 15 can conduct heat to heat-conducting oil in the cooling box 14 through the plurality of radiating fins 17, so that the heat can be rapidly diffused, the transmission shaft 16 is cooled, the temperature of the transmission shaft 16 is prevented from being too high, the heat conducted to the motor 11 direction is reduced, the temperature of the rotating part of the bearing can be reduced, the bearing is prevented from being deformed due to high temperature, the transmission shaft 16 is influenced to rotate, so that the bearings on the motor 11 and the transmission shaft 16 can be protected, the temperatures on the motor 11 and the transmission shaft 16 are reduced, high-temperature overload is prevented, and high-temperature faults are avoided.
In the preferred embodiment, the rear end of the transmission shaft 16 and the output end of the motor 11 are both fixedly provided with gears 21, a transmission chain 22 is connected between the two gears 21 in a transmission manner, the upper end of the bracket 1 is fixedly provided with a protective cover 23, and the two gears 21 and the transmission chain 22 are sleeved with the protective cover 23.
The motor 11 is connected with the transmission shaft 16 through the transmission mode of the two gears 21 and the transmission chain 22, so that the heat conduction of the transmission shaft 16 to the motor 11 can be greatly reduced, the motor 11 is well protected, the failure rate of the motor is greatly reduced, the effect of the cooling box 14 at the moment is just to reduce the heat transfer quantity of the transmission shaft 16 to the gears 21 and the transmission chain 22, the gears 21 and the transmission chain 22 are protected, and high-temperature overload is prevented.
An inlet 27 is provided at the upper end of the cooling tank 14, and an outlet 28 is provided at the lower side of the cooling tank 14.
The liquid inlet 27 is convenient for the cooling box 14 to add heat conduction oil, and the liquid outlet 28 is convenient for people to discharge the heat conduction oil in the cooling box 14, so that people can clean the cooling box 14 and replace the heat conduction oil; this cooling tank 14 also can be through external pump body and the box of storing the conduction oil, recycles the conduction oil of its inside, makes the conduction oil flow for thermal diffusion.
The fan housing 12 and the fan blades 13 are made of glass fiber reinforced plastic.
The glass fiber reinforced plastic has the advantage of low thermal conductivity, can effectively reduce the heat transferred to the transmission shaft 16 by the fan shell 12 and the fan blade 13, and can be more suitable for a high-temperature environment due to good corrosion resistance and high temperature resistance of the glass fiber reinforced plastic, so that the service life of the centrifugal fan is prolonged.
The second embodiment:
as shown in fig. 5-6, for further optimization of the first embodiment, heat dissipation assemblies are fixedly disposed at both left and right ends of the cooling box 14, each heat dissipation assembly includes a supporting shell 24, a heat dissipation fan 25 and a plurality of heat collection fins 26, the supporting shell 24 is fixedly mounted at a side of the cooling box 14, the heat dissipation fan 25 is mounted at a side of the supporting shell 24 away from the cooling box 14, the plurality of heat collection fins 26 are fixedly mounted at a side of the supporting shell 24 close to the cooling box 14, and a plurality of air inlets 241 are disposed at a side of the supporting shell 24.
The transmission shaft 16 is through the heat-conduction of conduction oil, make cooler bin 14 heat up, just need cool down the processing to cooler bin 14 this moment, a plurality of thermal-arrest pieces 26 shape are wave lamellar, can absorb the heat that delivers from cooler bin 14 more fast, then carry out high-efficient cooling processing to a plurality of thermal-arrest pieces 26 through starting radiator fan 25, can reduce cooler bin 14's bulk temperature like this, make cooler bin 14 better to the effect of transmission shaft 16 cooling, improve the efficiency of cooling.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a high temperature resistant centrifugal fan, includes support, motor, fan shell and fan blade, its characterized in that: the motor is detachably and fixedly assembled at the upper end of the bracket, the fan shell is fixedly assembled at the upper end of the bracket, the fan blade is rotatably arranged in the fan shell, and a transmission cooling mechanism is arranged between the motor and the fan blade;
the transmission cooling mechanism comprises a cooling box, a hollow tube, a transmission shaft and a plurality of radiating fins, the cooling box is fixedly assembled at the rear end of the fan shell, the hollow tube is fixedly arranged inside the cooling box, the front end and the rear end of the hollow tube are communicated with the outside, the transmission shaft is rotatably arranged inside the hollow tube, the front end of the transmission shaft is rotatably penetrated through the fan shell and fixedly connected with fan blades, bearings are respectively assembled between the front side and the rear side of the transmission shaft and between the front side and the rear side of the hollow tube, the transmission shaft is in transmission connection with the motor, the plurality of radiating fins are annularly and fixedly assembled outside the hollow tube, and heat conducting oil is filled inside the cooling box.
2. The high temperature resistant centrifugal fan of claim 1, wherein: the transmission shaft rear end and the equal fixed gear that is equipped with of motor output, two the transmission is connected with drive chain between the gear, the fixed safety cover that is equipped with in support upper end, two are located to the safety cover gear with drive chain is outside.
3. The high temperature resistant centrifugal fan of claim 1, wherein: both ends are all fixed and are equipped with radiator unit about the cooler bin, radiator unit is including supporting shell, radiator fan and a plurality of thermal-arrest piece, support the shell fixed assembly in the cooler bin side, radiator fan assemble in it keeps away from to support the shell cooler bin one side, it is a plurality of thermal-arrest piece fixed assembly in it is close to support the shell cooler bin one side, support the shell side and seted up a plurality of air inlets.
4. The high temperature resistant centrifugal fan of claim 1, wherein: the cooling tank upper end is equipped with the inlet, the cooling tank downside is equipped with the liquid outlet.
5. The high temperature resistant centrifugal fan of claim 1, wherein: the fan shell and the fan blades are both made of glass fiber reinforced plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221608204.XU CN217539068U (en) | 2022-06-23 | 2022-06-23 | High temperature resistant centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221608204.XU CN217539068U (en) | 2022-06-23 | 2022-06-23 | High temperature resistant centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217539068U true CN217539068U (en) | 2022-10-04 |
Family
ID=83421672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221608204.XU Active CN217539068U (en) | 2022-06-23 | 2022-06-23 | High temperature resistant centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217539068U (en) |
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2022
- 2022-06-23 CN CN202221608204.XU patent/CN217539068U/en active Active
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