CN219513909U - Main and auxiliary motor driving mechanism of air preheater - Google Patents
Main and auxiliary motor driving mechanism of air preheater Download PDFInfo
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- CN219513909U CN219513909U CN202320273479.0U CN202320273479U CN219513909U CN 219513909 U CN219513909 U CN 219513909U CN 202320273479 U CN202320273479 U CN 202320273479U CN 219513909 U CN219513909 U CN 219513909U
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- main
- motor
- auxiliary
- air preheater
- driving mechanism
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The main motor liquid pair driving mechanism comprises a main motor, an auxiliary motor and a main input shaft, wherein the output end of the main motor is connected with a main input shaft of a speed reduction box of the air preheater; the auxiliary motor liquid couple driving mechanism comprises an auxiliary motor, an auxiliary hydraulic coupler and an overrunning clutch, wherein the output end of the auxiliary motor is connected with the auxiliary hydraulic coupler, the output end of the auxiliary hydraulic coupler is connected with the input shaft of the overrunning clutch, and the output end of the overrunning clutch is connected with the auxiliary input shaft of the air preheater reduction gearbox; the problem of the air preheater main and auxiliary motor influence each other when breaking down is solved to make auxiliary motor start time-hour preheater rotational speed and main motor drive rotational speed the same make the unit load not influenced.
Description
Technical Field
The utility model belongs to the technical field of transmission, and particularly relates to a main and auxiliary motor driving mechanism of an air preheater.
Background
Air preheater, air preheater for short. As shown in fig. 1, the main motor driving mechanism of the existing air preheater generally adopts a hydraulic coupler for driving, the auxiliary motor driving mechanism generally adopts a small 4:1 reduction gearbox and an overrunning clutch for driving, the driving efficiency of the driving mode is low, the mechanical loss is large, not only is frequent maintenance required, but also the operation of the air preheater is greatly influenced, especially when the overrunning clutch fails, the overrunning clutch cannot be normally separated, the auxiliary speed reducer is driven to rotate for a long time, and the main speed reducer can reversely carry out the rotation of the auxiliary speed reducer due to the different rotation speeds of the main speed reducer and the auxiliary speed reducer, so that the auxiliary speed reducer becomes a speed increaser, the auxiliary motor is driven to perform long-time overspeed operation (the original auxiliary motor rotation speed 1450r/min and the overspeed rotation speed reaches 6000 r/min), and the service life of the auxiliary motor is seriously shortened.
Disclosure of Invention
In order to solve the problem, a main and auxiliary motor driving mechanism of an air preheater is provided.
The main motor liquid pair driving mechanism comprises a main motor, an auxiliary motor and a main input shaft, wherein the main motor is connected with the main input shaft of a speed reduction box of the air preheater; the auxiliary motor liquid couple driving mechanism comprises an auxiliary motor, an auxiliary hydraulic coupler and an overrunning clutch, wherein the output end of the auxiliary motor is connected with the auxiliary hydraulic coupler, the output end of the auxiliary hydraulic coupler is connected with the input shaft of the overrunning clutch, and the output end of the overrunning clutch is connected with the auxiliary input shaft of the air preheater reduction gearbox.
Further, the main motor fluid coupling driving mechanism further comprises a main fluid coupler, and the output end of the main fluid coupler is connected with a main input shaft of the air preheater reduction gearbox.
Further, the output end of the main motor is provided with a main motor coupler, and the main motor coupler is connected with the main hydraulic coupler.
Further, an auxiliary motor coupler is arranged at the output end of the auxiliary motor, and the auxiliary motor coupler is connected with the auxiliary hydraulic coupler.
Further, the main motor liquid pair driving mechanism and the auxiliary motor liquid pair driving mechanism can be placed on the same side of the air preheater reduction gearbox or on two sides of the air preheater reduction gearbox.
Further, the power and the rotating speed of the main motor and the auxiliary motor are the same.
The technical scheme of the utility model has the advantages that:
the problem of the air preheater main and auxiliary motor influence each other when breaking down is solved to make auxiliary motor start time-hour preheater rotational speed the same with main motor drive rotational speed, make the unit load not receive the influence.
Drawings
FIG. 1 is a schematic diagram of a conventional drive mechanism;
FIG. 2 is a schematic diagram of a driving mechanism according to the present utility model;
reference numerals in the drawings: 1. the device comprises a main motor, a main motor coupler, a main fluid coupler, an air preheater reduction gearbox, an overrunning clutch, an auxiliary speed reducer, an auxiliary motor coupler, an auxiliary fluid coupler and an auxiliary fluid coupler.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, it being understood that the description is only for the purpose of illustrating and explaining the utility model, and not for the purpose of limiting the same.
Referring to fig. 2, the main and auxiliary motor driving mechanism of the air preheater comprises a main motor liquid pair driving mechanism and an auxiliary motor liquid pair driving mechanism, wherein the main motor liquid pair driving mechanism comprises a main motor 1 and a main hydraulic coupler 3, the output end of the main motor 1 is provided with a main motor coupler 2, the main motor coupler 2 is connected with the main hydraulic coupler 3, and the output end of the main hydraulic coupler 3 is connected with a main input shaft of a speed reduction box 4 of the air preheater; the auxiliary motor liquid couple driving mechanism comprises an auxiliary motor 8, an auxiliary liquid coupler 9 and an overrunning clutch 5, wherein an auxiliary motor coupler 7 is arranged at the output end of the auxiliary motor 8, the auxiliary liquid coupler 9 is connected through the auxiliary motor coupler 7, the output end of the auxiliary liquid coupler 9 is connected with the input shaft of the overrunning clutch 5, and the output end of the overrunning clutch 5 is connected with the auxiliary input shaft of the air preheater reduction gearbox 4.
When the motor is designed to be applied, the rotation speeds of the main motor 1 and the auxiliary motor 8 are the same or similar, and the powers are the same or similar. The liquid couple driving mechanism of the main motor and the auxiliary motor of the air preheater can buffer starting and isolate vibration.
The hydraulic coupler 9 is adopted to replace the auxiliary speed reducer 6, and the power of the auxiliary motor 8 is increased, so that overspeed operation of the auxiliary motor is not caused when the overrunning clutch cannot be normally separated, meanwhile, the hydraulic coupler 9 is additionally arranged to achieve a soft start function, the motor is protected from being impacted, the hydraulic coupler 9 is additionally arranged, if the overrunning clutch cannot be normally separated, and when the auxiliary motor fails, the hydraulic coupler belongs to soft connection, overcurrent protection action of the main motor is not caused (if mechanical jamming occurs on the side of the main motor, and overcurrent is not caused after the auxiliary motor is started).
The auxiliary motor drives and reforms transform the back drive air preheater reducing gear box output, auxiliary motor drive rotational speed, power and main motor drive unanimous, have both strengthened the operational safety of air preheater drive arrangement and also guaranteed that auxiliary motor drive air preheater can not cause the unit load to be restricted after main motor trouble.
The power of the main motor is 45KW, and the rotating speed is 1450r/min. The auxiliary motor is 35KW or 42KW, and the rotating speed is 1450r/min.
The air preheater reduction gearbox 4 is connected with the auxiliary motor and the overrunning clutch by adopting a hydraulic coupler, and the connection sequence is as follows: the air preheater reduction gearbox 4, the overrunning clutch 5, the hydraulic coupler 9 and the auxiliary motor 8.
The main motor liquid doll driving mechanism and the auxiliary motor liquid doll driving mechanism can be placed on the same side of the air preheater reduction gearbox or on two sides of the air preheater reduction gearbox.
Finally, it should be noted that: the foregoing is merely illustrative of the present utility model and is not to be construed as limiting thereof, and although the present utility model has been described in detail, it will be apparent to those skilled in the art that modifications may be made to the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The main motor liquid pair driving mechanism comprises a main motor, an auxiliary motor and a main input shaft, wherein the main motor is connected with the main input shaft of a speed reduction box of the air preheater; the auxiliary motor liquid couple driving mechanism comprises an auxiliary motor, an auxiliary hydraulic coupler and an overrunning clutch, wherein the output end of the auxiliary motor is connected with the auxiliary hydraulic coupler, the output end of the auxiliary hydraulic coupler is connected with the input shaft of the overrunning clutch, and the output end of the overrunning clutch is connected with the auxiliary input shaft of the air preheater reduction gearbox.
2. The air preheater main and auxiliary motor driving mechanism according to claim 1, wherein the main motor hydraulic coupling driving mechanism further comprises a main hydraulic coupler, and an output end of the main hydraulic coupler is connected with a main input shaft of a speed reduction box of the air preheater.
3. The main and auxiliary motor driving mechanism of an air preheater according to claim 2, wherein the output end of the main motor is provided with a main motor coupling, and is connected with the main fluid coupling through the main motor coupling.
4. The driving mechanism of a main motor and an auxiliary motor of an air preheater according to claim 1, wherein an auxiliary motor coupler is arranged at an output end of the auxiliary motor and is connected with the auxiliary hydraulic coupler through the auxiliary motor coupler.
5. The main and auxiliary motor driving mechanisms of the air preheater according to claim 1, wherein the main motor liquid pair driving mechanism and the auxiliary motor liquid pair driving mechanism can be placed on the same side of the air preheater speed reduction box or on two sides of the air preheater speed reduction box.
6. The air preheater main and auxiliary motor driving mechanism according to claim 1, wherein the power and the rotation speed of the main motor and the auxiliary motor are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320273479.0U CN219513909U (en) | 2023-02-21 | 2023-02-21 | Main and auxiliary motor driving mechanism of air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320273479.0U CN219513909U (en) | 2023-02-21 | 2023-02-21 | Main and auxiliary motor driving mechanism of air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219513909U true CN219513909U (en) | 2023-08-11 |
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ID=87530180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320273479.0U Active CN219513909U (en) | 2023-02-21 | 2023-02-21 | Main and auxiliary motor driving mechanism of air preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219513909U (en) |
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2023
- 2023-02-21 CN CN202320273479.0U patent/CN219513909U/en active Active
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