CN214660983U - Electric spindle for high-speed fan - Google Patents
Electric spindle for high-speed fan Download PDFInfo
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- CN214660983U CN214660983U CN202120842439.4U CN202120842439U CN214660983U CN 214660983 U CN214660983 U CN 214660983U CN 202120842439 U CN202120842439 U CN 202120842439U CN 214660983 U CN214660983 U CN 214660983U
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- main shaft
- fan
- electricity main
- electric spindle
- stator
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Abstract
The utility model provides an electricity main shaft for high-speed fan, belongs to the fan field, the main shaft axle center and the fan intake duct center of electricity main shaft are on same axis, and the main shaft and the impeller pivot of electricity main shaft are on same straight line, and the opposite side at the fan intake duct is installed to electricity main shaft, the periphery of electricity main shaft is provided with the rotor, installs the stator in the casing that corresponds with the rotor of main shaft periphery, is provided with stator cooling circuit in the electricity main shaft, and cooling circuit's access & exit is located the rear end cap of motor, is provided with power input socket simultaneously on the rear end cap, through connecting this kind of electricity main shaft on fan impeller shaft, can improve the life of fan, reduces the noise of fan, improves impeller rotation rate, increases the wind-force of fan.
Description
Technical Field
The utility model relates to an electricity main shaft, in particular to an electricity main shaft for high-speed fan belongs to the fan field.
Background
In recent years, with the development of science and technology and the progress of technology, the requirements of various power equipment are higher and higher, and a fan is also required to provide low noise and high wind power by using a small volume. In particular to the industries of chemical industry, underground operation mines and the like, a high-power fan is required to discharge harmful gas, a common fan is driven by a common motor, wind power generated by the common motor generally cannot meet the high-power requirement, the power of the fan needs to be improved, the high-speed driving motor is not utilized or the structure of the fan is not changed, if the common motor is utilized, the improvement of the power can increase noise, the performance of the fan is improved while the noise of the fan is reduced, the performance requirement of the high-power fan is met, a new problem is brought to technicians, the performance of the fan is improved on the basis of not improving the noise, and the performance of the fan can be exerted to the maximum extent only by organically combining the change of the structure of the fan and the improvement of the performance of the motor.
Disclosure of Invention
To the trend that requires more and more high to fan performance at present, the utility model provides an electricity main shaft for fan, its purpose is on the basis that changes the fan structure, utilizes electric main shaft drive fan, realizes the purpose of low noise, big wind-force.
The technical scheme of the utility model is that: an electric spindle for a high-speed fan comprises a spindle, a rotor and a stator, wherein the spindle axis of the electric spindle and the center of an air inlet passage of the fan are on the same axis, the spindle of the electric spindle and the axis of a rotating shaft of an impeller are on the same straight line, the electric spindle is installed on the opposite side of the air inlet passage of the fan, the rotor is arranged on the periphery of the electric spindle, the stator is installed in a casing corresponding to the rotor on the periphery of the spindle, a stator cooling circuit is arranged in the electric spindle, an inlet and an outlet of the cooling circuit are located on a rear end cover of a motor, and a power input socket is simultaneously arranged on the rear end cover;
furthermore, a T-shaped mounting part is arranged at the front end of the casing and is fixed on a bottom plate on one side of the fan by a compression ring;
further, the maximum rotating speed of the electric spindle is 12000rpm, and the static precision of the front end of the spindle is as follows: the radial runout is less than or equal to 0.002 mm;
further, cooling liquid flows in the stator cooling loop, the pressure of the cooling liquid is 0.1-0.12 MPa, and the flow per minute is more than or equal to 10 liters;
further, the outer surface of the shell of the electric spindle is coated with an anticorrosive layer.
The utility model discloses the positive benefit who has does: the main shaft of the electric main shaft and the rotating shaft of the impeller are on the same straight line, so that the electric main shaft can directly drive the impeller of the fan to rotate at a high speed, and gas is sucked from the air inlet duct by utilizing the high-speed rotation of the impeller, thereby improving the suction force of the fan, increasing the air exhaust amount and reducing the energy consumption brought by intermediate transmission; by arranging the stator cooling loop in the electric spindle, the temperature generated in the electric spindle can be reduced by using the supercooling liquid, and the stable operation of the electric spindle is ensured; the T-shaped mounting part is arranged at the front end of the casing, so that the electric main shaft can be connected with the fan by using a fixing bolt of the compression ring, and the electric main shaft is connected with the fan impeller main shaft; through the casing outward appearance coating anticorrosive coating at electric main shaft, can prevent that chemical gas from corroding the motor casing, can prolong the life of motor enough, through connecting this kind of electric main shaft on fan impeller shaft, can improve the life of fan, reduce the noise of fan, improve impeller rotation speed, increase the wind-force of fan.
Drawings
Fig. 1 is a schematic view of a cross-sectional structure of the present invention.
Description of reference numerals: 11-shell, 12-main shaft, 13-stator, 14-rotor, 15-stator coil, 16-bearing, 17-rear end cover, 18-cooling liquid inlet, 19-power input socket, 20-T-shaped mounting part, 21-clamp ring, 22-fixing bolt, 30-fan air inlet channel, 31-air outlet, 32-fan channel, 33-impeller, 34-impeller rotating shaft and 35-outlet connecting flange.
Detailed Description
The technical scheme of the utility model is an electricity main shaft for high-speed fan, figure 1 is the utility model discloses a section structure schematic diagram. Is a structural schematic diagram of assembling an electric spindle on one side of a fan, the electric spindle comprises a spindle 12, a rotor 14 and a stator 13, the axis of the main shaft 12 of the electric main shaft and the center of the air inlet duct 30 of the fan are on the same axis, the axis of the main shaft 12 of the electric main shaft and the axis of the rotating shaft of the impeller are on the same straight line, the electric main shaft is arranged on the opposite side of the air inlet duct 30 of the fan, 31 is an air outlet, an outlet connecting flange 35 is arranged on the air outlet 31 and is convenient to be connected with other components, 32 is a fan honeycomb flow passage, 33 is an impeller, 34 is an impeller rotating shaft, rotors 14 and 15 are stator coils arranged on the periphery of the electric main shaft, a stator 13 is installed in the housing 11 corresponding to the rotor 14 on the periphery of the main shaft 12, a cooling circuit of the stator 13 is arranged in the electric main shaft, an inlet and an outlet of the cooling circuit are positioned on a rear end cover 17 of the motor, 18 is a cooling liquid inlet, and the rear end cover 17 is also provided with a power input socket 19.
The front end of the casing 11 is provided with a T-shaped mounting part 20, and the T-shaped mounting part 20 is fixed on a bottom plate on one side of the fan by a clamp ring 21.
Because the fan mechanism is different from a common fan structure, the wind power of the fan can be improved by connecting the electric spindle rotating at a high speed, and the fan mechanism is more beneficial to air exhaust in a well or a tunnel.
And bearings 16 are arranged between the inner peripheries of two ends of the stator 13 on the inner periphery of the machine shell 11 and two ends of the rotor 14 on the outer periphery of the main shaft 12.
The maximum rotating speed of the electric spindle is 12000rpm which is far greater than the rotating speed of a general fan motor, and the static precision of the front end of the spindle 12 is as follows: the radial runout is less than or equal to 0.002mm, and the stability is extremely high.
The cooling liquid flows in the cooling loop of the stator 13, the pressure of the cooling liquid is 0.1-0.12 MPa, and the flow per minute is more than or equal to 10 liters.
The outer surface of the shell 11 of the electric spindle is coated with an anticorrosive layer, so that the corrosion of chemical gas to the shell of the electric spindle can be prevented, and the service lives of the motor and the whole fan can be prolonged.
The utility model discloses the positive benefit that has does: the main shaft 12 of the electric main shaft and the rotating shaft of the impeller are on the same straight line, so that the electric main shaft can directly drive the impeller of the fan to rotate at a high speed, and gas is sucked from the air inlet duct by utilizing the high-speed rotation of the impeller, thereby improving the suction force of the fan, increasing the air exhaust amount and reducing the energy consumption brought by intermediate transmission; by arranging the stator 13 cooling loop in the electric spindle, the temperature generated in the electric spindle can be reduced by using the supercooling liquid, and the stable operation of the electric spindle is ensured; the T-shaped mounting part 20 is arranged at the front end of the casing 11, so that the electric main shaft can be connected with the fan by using a fixing bolt 22 of a compression ring 21, and the electric main shaft is connected with the fan impeller main shaft 12; through 11 outward appearance coating anticorrosive coating at the motor shaft, can prevent that chemical gas from corroding motor housing 11, can prolong the life of motor enough, through connecting this kind of motor shaft on fan impeller shaft, can improve the life of fan, reduce the noise of fan, improve impeller rotational speed, increase the wind-force of fan.
Claims (5)
1. An electric main shaft for a high-speed fan comprises a main shaft, a rotor and a stator, and is characterized in that: the utility model discloses a fan, including the fan intake duct, the main shaft of electricity main shaft, the main shaft axle center of electricity main shaft and fan intake duct center are on same axis, and the main shaft of electricity main shaft and the axle center of impeller pivot are on same straight line, and the electricity main shaft is installed in the opposite side of fan intake duct, the periphery of electricity main shaft is provided with the rotor, installs the stator in the casing that corresponds with main shaft periphery rotor, is provided with stator cooling circuit in the electricity main shaft, and cooling circuit's access & exit is located the rear end cap of motor, is provided with electric power input socket on the rear end cap simultaneously.
2. The electric spindle for the high-speed fan according to claim 1, characterized in that: the front end of the casing is provided with a T-shaped mounting part, and the T-shaped mounting part is fixed on a bottom plate on one side of the fan by a compression ring.
3. The electric spindle for the high-speed fan according to claim 1, characterized in that: the highest rotating speed of the electric spindle is 12000rpm, and the static precision of the front end of the spindle is as follows: the radial runout is less than or equal to 0.002 mm.
4. The electric spindle for the high-speed fan according to claim 1, characterized in that: the stator cooling loop flows with cooling liquid, the pressure of the cooling liquid is 0.1-0.12 MPa, and the flow per minute is more than or equal to 10 liters.
5. The electric spindle for the high-speed fan according to claim 1, characterized in that: the outer surface of the shell of the electric spindle is coated with an anticorrosive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120842439.4U CN214660983U (en) | 2021-04-23 | 2021-04-23 | Electric spindle for high-speed fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120842439.4U CN214660983U (en) | 2021-04-23 | 2021-04-23 | Electric spindle for high-speed fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214660983U true CN214660983U (en) | 2021-11-09 |
Family
ID=78466005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120842439.4U Active CN214660983U (en) | 2021-04-23 | 2021-04-23 | Electric spindle for high-speed fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214660983U (en) |
-
2021
- 2021-04-23 CN CN202120842439.4U patent/CN214660983U/en active Active
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