CN212803677U - Fan unit - Google Patents
Fan unit Download PDFInfo
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- CN212803677U CN212803677U CN202021758959.9U CN202021758959U CN212803677U CN 212803677 U CN212803677 U CN 212803677U CN 202021758959 U CN202021758959 U CN 202021758959U CN 212803677 U CN212803677 U CN 212803677U
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- synchronous clutch
- speed
- gear
- clutch
- fan
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Abstract
The utility model provides a fan unit, include: the steam turbine, the gear box, the synchronous clutch, the motor and the fan are connected in sequence; when the rotating speed of the input end of the synchronous clutch is greater than or equal to the output end of the synchronous clutch, the synchronous clutch is engaged; when the rotating speed of the input end of the synchronous clutch is less than the output end of the synchronous clutch, the synchronous clutch is disengaged. According to the fan unit, the steam turbine is used as a prime motor to be connected with the gear box, the synchronous clutch is connected with the motor, and the motor is connected with the fan, so that the normal engagement and disengagement relationship between the synchronous clutch and the fan in the operation process can be met; the steam turbine power generation can be used for the working conditions of high power and high rotating speed, the synchronous clutch can be automatically and dynamically connected or disconnected with the fan, the safety and the flexibility of equipment use are guaranteed, energy is saved to the maximum extent, and the steam turbine power generation device has the advantages of high thermoelectric efficiency, prominent technical advantages, high reliability and the like.
Description
Technical Field
The utility model relates to a fan technical field, specifically speaking relates to a fan unit.
Background
In order to save energy, a factory can generate electricity by waste heat through a steam turbine and simultaneously drive a fan to work, when no waste heat can be used, the steam turbine needs to be shut down, at the moment, the fan needs to be driven by taking a motor as a power source, and the power source is necessary to be switched between the steam turbine and the motor; however, at present, the switching of the power source between the turbine and the motor is not safe and flexible enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fan unit aims at solving prior art, and the power supply is safe and nimble problem inadequately in the switching between steam turbine and motor.
In order to solve the technical problem, the utility model provides a fan unit, include:
the steam turbine, the gear box, the synchronous clutch, the motor and the fan are connected in sequence;
one end of the synchronous clutch, which is connected with the gear box, is used as the input end of the synchronous clutch; one end of the synchronous clutch connected with the motor is used as the output end of the synchronous clutch;
when the rotating speed of the input end of the synchronous clutch is greater than or equal to the output end of the synchronous clutch, the synchronous clutch is engaged; and when the rotating speed of the input end of the synchronous clutch is less than the rotating speed of the output end of the synchronous clutch, the synchronous clutch is disengaged.
Optionally, the gearbox and the synchronous clutch are connected by a laminated coupling.
Optionally, the gearbox comprises a high speed input shaft, an input gear disposed on the high speed input shaft, a low speed output shaft, an output gear disposed on the low speed output shaft;
the high-speed input shaft and the low-speed output shaft are parallel to each other;
the shaft head of the high-speed input shaft is connected with the steam turbine;
the input gear is meshed with the output gear;
and the shaft head of the low-speed output shaft is connected with the laminated coupling.
Optionally, the high-speed input shaft and the low-speed output shaft both use elliptical pad bearings as support bearings.
Optionally, the input gear and the output gear are both herringbone teeth.
Optionally, the input gear has a diameter of 251 mm; the diameter of the output gear is 748 mm.
Optionally, the input gear is integrally formed with the high speed input shaft.
Optionally, the output gear is fixedly connected to the low-speed output shaft in an interference fit manner.
Optionally, the gearbox is integrated in the same housing as the synchronizing clutch.
Optionally, a lubrication line is disposed in the tank.
Advantageous effects
The utility model provides a fan unit, this fan unit includes:
the steam turbine, the gear box, the synchronous clutch, the motor and the fan are connected in sequence;
one end of the synchronous clutch connected with the gear box is used as the input end of the synchronous clutch; one end of the synchronous clutch connected with the motor is used as the output end of the synchronous clutch;
when the rotating speed of the input end of the synchronous clutch is greater than or equal to the output end of the synchronous clutch, the synchronous clutch is engaged; when the rotating speed of the input end of the synchronous clutch is less than the output end of the synchronous clutch, the synchronous clutch is disengaged.
According to the fan unit, the steam turbine is used as a prime motor to be connected with the gear box, the synchronous clutch is connected with the motor, and the motor is connected with the fan, so that the normal engagement and disengagement relationship between the synchronous clutch and the fan in the operation process can be met; the steam turbine power generation can be used for the working conditions of high power and high rotating speed, the synchronous clutch can be automatically and dynamically connected or disconnected with the fan, the safety and the flexibility of equipment use are guaranteed, energy is saved to the maximum extent, and the steam turbine power generation device has the advantages of high thermoelectric efficiency, prominent technical advantages, high reliability and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of a fan unit according to an embodiment of the present invention;
fig. 2 is a schematic view of an integrated device of a gear box and a synchronous clutch according to an embodiment of the present invention;
description of reference numerals:
the device comprises a steam turbine 1, a gear box 2, a synchronous clutch 3, a motor 4, a fan 5, a laminated coupling 6, a high-speed input shaft 21, a low-speed output shaft 22 and an oval tile bearing 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
This embodiment will provide a fan assembly, see fig. 1, fig. 2, this fan assembly includes:
the system comprises a steam turbine 1, a gear box 2, a synchronous clutch 3, a motor 4 and a fan 5 which are connected in sequence;
one end of the synchronous clutch 3 connected with the gear box 2 is used as the input end of the synchronous clutch 3; one end of the synchronous clutch 3 connected with the motor 4 is used as the output end of the synchronous clutch 3;
when the rotating speed of the input end of the synchronous clutch 3 is more than or equal to the output end of the synchronous clutch 3, the synchronous clutch 3 is engaged; when the rotational speed of the input end of the synchronous clutch 3 is less than the output end of the synchronous clutch 3, the synchronous clutch 3 is disengaged.
At the moment when the turbine 1 stops, the synchronizer clutch 3 is automatically and immediately disengaged, and the power transmission from the turbine 1 to the fan 5 is interrupted.
By the fan unit, the steam turbine 1 is used as a prime mover to be connected with the gear box 2, the synchronous clutch 3 is connected with the motor 4, and the motor 4 is connected with the fan 5, so that power transmission from the steam turbine 1 to the fan 5 is realized; the normal engagement and disengagement relationship between the synchronous clutch 3 and the fan 5 in the operation process can be met; the power generation of the steam turbine 1 can be used for the working conditions of high power and high rotating speed, the synchronous clutch 3 can be automatically and dynamically connected or disconnected with the steam turbine 1 and the fan 5, the safety and the flexibility of the use of equipment are guaranteed, meanwhile, the energy is saved to the greatest extent, and the device has the advantages of high thermoelectric efficiency, prominent technical advantages, high reliability and the like.
Optionally, the connection between the gearbox 2 and the synchronizer clutch 3 is made by a laminated coupling 6. The lamination coupling 6 can absorb the radial and axial offset of the gear box 2 and the synchronous clutch 3 caused by the problem of installation alignment, and can also absorb the radial and axial offset of the gear box 2 and the synchronous clutch 3 caused by thermal expansion, so that the connection and installation are simple, and the disassembly and the maintenance are convenient.
Alternatively, the gearbox 2 includes a high-speed input shaft 21, an input gear provided on the high-speed input shaft 21, a low-speed output shaft 22, an output gear provided on the low-speed output shaft 22;
the high-speed input shaft 21 and the low-speed output shaft 22 are parallel to each other;
the shaft head of the high-speed input shaft 21 is connected with the steam turbine 1;
the input gear is meshed with the output gear;
the head of the low speed output shaft 22 is connected to the laminated coupling 6.
Alternatively, the high-speed input shaft 21 and the low-speed output shaft 22 both employ elliptical pad bearings 23 as support bearings. The high-speed input shaft 21 and the low-speed output shaft 22 are guaranteed to have small temperature rise and low power consumption at high rotating speed, meanwhile, the bearings can provide large rigidity and damping, critical rotating speed does not exist in the range of working rotating speed of the high-speed input shaft 21 and the low-speed output shaft 22, and the high-speed input shaft 21 and the low-speed output shaft 22 are rigid rotors.
Optionally, the input gear and the output gear are both herringbone teeth. The input gear is a herringbone gear and is meshed with an output gear of the same herringbone gear to form primary parallel shaft transmission. Not only the transmission torque is ensured, but also the structural space of the gear box 2 is saved.
Optionally, the diameter of the input gear is 251 mm; the diameter of the output gear is 748 mm.
Alternatively, the input gear is integrally formed with the high speed input shaft 21.
Alternatively, the output gear is fixedly attached to the low speed output shaft 22 by way of an interference fit.
Optionally, the high-speed input shaft 21 and the steam turbine 1, the synchronous clutch 3 and the motor 4, and the motor 4 and the fan 5 are connected through couplings.
Alternatively, the gearbox 2 and the synchronizer clutch 3 are integrated into the same box, which is denoted as an integrated device of the gearbox 2 and the synchronizer clutch 3. In order to ensure the integrity and the integration performance of the gear box 2 and the synchronous clutch 3, the gear box 2 and the synchronous clutch 3 are connected through the laminated coupler 6 and integrated in a box body, so that the installation and the lubrication of the synchronous clutch 3 and the gear box 2 are facilitated, and the safety of each part is improved.
Optionally, a lubrication line is arranged in the box body; the exposure of the piping to the outside is reduced. The input gear, the output gear, the bearing, the synchronous clutch and the like can be lubricated through the lubricating pipeline.
The integrated device of the gear box 2 and the synchronous clutch 3 has large load transmission and high rotating speed, and the type of a bearing and the bearing capacity at high rotating speed, the dynamic characteristic of a high-speed rotor, the alignment and installation problems of the gear box 2 and the synchronous clutch 3 and the lubrication problems of the gear box 2 and the synchronous clutch 3 need to be considered; in the scheme of the embodiment, the high-speed input shaft 21 and the low-speed output shaft 22 both adopt the elliptical bush bearing 23 as the support bearing, so that the problem of insufficient bearing capacity at high rotating speed is solved; the laminated coupler 6 is used for connecting the gear box 2 and the synchronous clutch 3, so that the alignment and installation problems of the gear box 2 and the synchronous clutch 3 are solved; the lubrication problem of the gear box 2 and the synchronous clutch 3 is solved by integrating the gear box 2 and the synchronous clutch 3 into the same box body and intensively arranging lubrication pipelines in the box body.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and additions can be made without departing from the principle of the present invention, and these improvements and additions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A fan assembly, comprising:
the steam turbine, the gear box, the synchronous clutch, the motor and the fan are connected in sequence;
one end of the synchronous clutch, which is connected with the gear box, is used as the input end of the synchronous clutch; one end of the synchronous clutch connected with the motor is used as the output end of the synchronous clutch;
when the rotating speed of the input end of the synchronous clutch is greater than or equal to the output end of the synchronous clutch, the synchronous clutch is engaged; and when the rotating speed of the input end of the synchronous clutch is less than the rotating speed of the output end of the synchronous clutch, the synchronous clutch is disengaged.
2. The fan assembly of claim 1, wherein the gear box is coupled to the synchronizer clutch via a laminated coupling.
3. The fan assembly of claim 2, wherein the gear box comprises a high speed input shaft, an input gear disposed on the high speed input shaft, a low speed output shaft, an output gear disposed on the low speed output shaft;
the high-speed input shaft and the low-speed output shaft are parallel to each other;
the shaft head of the high-speed input shaft is connected with the steam turbine;
the input gear is meshed with the output gear;
and the shaft head of the low-speed output shaft is connected with the laminated coupling.
4. The fan assembly of claim 3, wherein the high-speed input shaft and the low-speed output shaft both use elliptical pad bearings as support bearings.
5. The fan assembly of claim 3, wherein the input gear and the output gear are each herringbone teeth.
6. The fan assembly of claim 3, wherein the input gear has a diameter of 251 mm; the diameter of the output gear is 748 mm.
7. The fan assembly of claim 3, wherein the input gear is integrally formed with the high speed input shaft.
8. The fan assembly of claim 3, wherein the output gear is fixedly coupled to the low-speed output shaft by interference fit.
9. The fan assembly according to any of claims 1 to 8, wherein the gear box and the synchronizing clutch are integrated in the same housing.
10. The fan assembly of claim 9, wherein a lubrication line is disposed in the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021758959.9U CN212803677U (en) | 2020-08-21 | 2020-08-21 | Fan unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021758959.9U CN212803677U (en) | 2020-08-21 | 2020-08-21 | Fan unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212803677U true CN212803677U (en) | 2021-03-26 |
Family
ID=75084543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021758959.9U Active CN212803677U (en) | 2020-08-21 | 2020-08-21 | Fan unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212803677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961885A (en) * | 2022-05-07 | 2022-08-30 | 中国船舶重工集团公司第七0三研究所 | Power switching method of double-power driving unit |
-
2020
- 2020-08-21 CN CN202021758959.9U patent/CN212803677U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961885A (en) * | 2022-05-07 | 2022-08-30 | 中国船舶重工集团公司第七0三研究所 | Power switching method of double-power driving unit |
| CN114961885B (en) * | 2022-05-07 | 2023-08-08 | 中国船舶重工集团公司第七0三研究所 | Power switching method of double-power driving unit |
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