CN214577212U - Testing arrangement of turbo generator oar formula fan blade angle and amount of wind - Google Patents
Testing arrangement of turbo generator oar formula fan blade angle and amount of wind Download PDFInfo
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- CN214577212U CN214577212U CN202120605756.4U CN202120605756U CN214577212U CN 214577212 U CN214577212 U CN 214577212U CN 202120605756 U CN202120605756 U CN 202120605756U CN 214577212 U CN214577212 U CN 214577212U
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Abstract
The utility model relates to a turbo generator oar formula fan blade angle and testing arrangement of the amount of wind, the interior cold turbo generator technical field of belonged to, the large-scale motor assembly jig comprises a main shaft, main shaft one end be equipped with the dragging machine, the main shaft both sides all be equipped with main shaft looks bearing type nested connection's sliding bearing seat, be equipped with the windshield between two sliding bearing seats, the windshield in be equipped with a plurality of with the fixed fan seats of main shaft looks snap ring type nested connection, the fan seat on be equipped with a plurality of fan blades that are equidistant annular distribution, the windshield outside be equipped with the amount of wind detector that is linked together with the fan blade. The cooling device has the characteristics of simple structure, good operation stability and strong cooling effect. The problem of fan blade installation optimum angle has been solved.
Description
Technical Field
The utility model relates to an empty interior cold turbo generator technical field, concretely relates to turbo generator paddle type fan blade angle and testing arrangement of the amount of wind.
Background
The cooling mode of the rotor of the air-cooled turbogenerator adopts axial and radial auxiliary grooves for ventilation, cooling gas at the end part of the rotor enters the air holes from the end of the end part of the winding, and the cooling gas is discharged into the air gap at the end of the body. The cooling air of the linear part enters from the auxiliary slot opening below the rotor slot, enters the winding at the bottom of each slot, and is discharged from the radial direction after walking in the ventilation hole of each turn of winding. Cooling air is discharged into the rotor through paddle type fan blades on two sides of the rotor body, and the air quantity generated by the fan blades at different angles is different, so that the cooling effect of the generator is directly influenced.
Disclosure of Invention
The utility model discloses there is the poor not enough with the cooling effect weak of operational stability among the main prior art of solving, provides a turbo generator paddle formula fan blade angle and the testing arrangement of the amount of wind, and it has simple structure, the good and strong characteristics of cooling effect of operational stability. The problem of fan blade installation optimum angle has been solved.
The above technical problem of the present invention can be solved by the following technical solutions:
a testing device for the angle and the air quantity of a paddle type fan blade of a steam turbine generator comprises a main shaft, wherein one end of the main shaft is provided with a dragging machine, two sides of the main shaft are respectively provided with a sliding bearing seat which is in bearing type nested connection with the main shaft, a wind shield is arranged between the two sliding bearing seats, a plurality of fan seats which are in nested connection and fixation with the main shaft in a clamping ring type are arranged in the wind shield, a plurality of fan blades which are distributed in an equally-spaced annular mode are arranged on each fan seat, and an air quantity detector which is communicated with the fan blades is arranged on the outer side of the wind shield.
Preferably, nuts which are in threaded sleeve joint with the fan blades are arranged in the fan seats.
Preferably, the fan base comprises a fan base body, a nut installation ring groove inserted with a nut is formed in the fan base body, and a plurality of fan blade installation holes which are sleeved with fan blades and are communicated with the nut installation ring groove at the lower end are formed in the upper end of the fan base body. The fan blade mounting hole is used for mounting a fan blade and is fixed through a nut.
Preferably, the upper end of the fan blade mounting hole is provided with a limiting counter sink groove, and a plurality of fan blade angle limiting screw holes which are distributed in an equidistant annular mode are arranged in the limiting counter sink groove. The fan blade angle limiting screw hole fixes the fan blade angle by screwing in the positioning screw, the positioning screw is screwed in one at each time, and different positions correspond to different fan angles.
Preferably, a coupling is arranged between the main shaft and the towing engine.
The utility model discloses can reach following effect:
the utility model provides a turbo generator paddle type fan blade angle and testing arrangement of the amount of wind compares with prior art, has simple structure, operating stability good and the strong characteristics of cooling effect. The problem of fan blade installation optimum angle has been solved. The fan blade angle is changed by changing the positioning screws, so that different air volume values are obtained, and the optimal fan design angle is finally obtained.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the installation of the fan blade and the fan base in the present invention.
Fig. 3 is a sectional view of the structure for mounting the fan blade and the fan base.
Fig. 4 is a sectional view of the fan base according to the present invention.
Fig. 5 is a schematic top view of the fan base of the present invention.
In the figure: the wind power generation device comprises a dragging machine 1, a coupler 2, a main shaft 3, a wind shield 4, fan blades 5, a fan seat 6, an air volume detector 7, a sliding bearing seat 8, a nut 9, a fan seat body 10, a limiting counter bore groove 11, a fan blade mounting hole 12, a nut mounting ring groove 13 and a fan blade angle limiting screw hole 14.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as shown in fig. 1-5, a testing device for the angle and the air volume of a paddle type fan blade of a turbonator comprises a main shaft 3, and a coupling 2 is arranged between the main shaft 3 and a dragging machine 1. The electric fan comprises a main shaft 3, a dragging machine 1 is arranged at one end of the main shaft 3, sliding bearing seats 8 which are in bearing type nested connection with the main shaft 3 are arranged on two sides of the main shaft 3, a wind shield 4 is arranged between the two sliding bearing seats 8, a pair of fan seats 6 which are distributed in a mirror symmetry mode and are fixedly connected with the main shaft 3 in a clamping ring type nested mode are arranged in the wind shield 4, each fan seat 6 comprises a fan seat body 10, a nut mounting ring groove 13 which is connected with a nut 9 in an inserting mode is arranged in the fan seat body 10, 26 fan blade mounting holes 12 which are connected with fan blades 5 in an inserting mode and the lower ends of the fan blade mounting holes are communicated with the nut mounting ring groove 13 are arranged at the upper end of the fan seat body 10. The upper end of the fan blade mounting hole 12 is provided with a limiting counter sink groove 11, and the limiting counter sink groove 11 is internally provided with 10 fan blade angle limiting screw holes 14 which are distributed in an equidistant annular manner. The fan seat 6 is provided with 26 fan blades 5 which are distributed in an annular shape at equal intervals, and nuts 9 which are in threaded sleeve joint with the fan blades 5 are arranged in the fan seat 6. An air volume detector 7 communicated with the fan blade 5 is arranged outside the wind shield 4.
In conclusion, the testing device for the paddle type fan blade angle and the air quantity of the turbonator has the characteristics of simple structure, good operation stability and strong cooling effect. The problem of fan blade installation optimum angle has been solved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.
Claims (5)
1. The utility model provides a test device of turbo generator oar formula fan blade angle and amount of wind which characterized in that: the wind power generation device is characterized by comprising a main shaft (3), wherein a towing engine (1) is arranged at one end of the main shaft (3), sliding bearing seats (8) in bearing type nested connection with the main shaft (3) are arranged on two sides of the main shaft (3), a wind shield (4) is arranged between the two sliding bearing seats (8), a plurality of fan seats (6) which are fixedly connected with the main shaft (3) in a clamping ring type nested mode are arranged in the wind shield (4), a plurality of fan blades (5) which are distributed in an equidistant annular mode are arranged on the fan seats (6), and a wind volume detector (7) communicated with the fan blades (5) is arranged on the outer side of the wind shield (4).
2. The device for testing the angle and the air volume of the paddle type fan blade of the steam turbine generator according to claim 1, is characterized in that: and nuts (9) which are in threaded sleeve joint with the fan blades (5) are arranged in the fan seat (6).
3. The device for testing the angle and the air volume of the paddle type fan blade of the steam turbine generator as claimed in claim 2, wherein: fan seat (6) include fan seat body (10), fan seat body (10) in be equipped with nut installation annular (13) of pegging graft mutually with nut (9), fan seat body (10) upper end be equipped with a plurality of with fan blade (5) cup joint mutually and fan blade mounting hole (12) that lower extreme and nut installation annular (13) are linked together.
4. The device for testing the angle and the air volume of the paddle type fan blade of the steam turbine generator according to claim 3, is characterized in that: the fan blade angle limiting device is characterized in that a limiting counter sink groove (11) is formed in the upper end of the fan blade mounting hole (12), and a plurality of fan blade angle limiting screw holes (14) which are distributed in an equidistant annular mode are formed in the limiting counter sink groove (11).
5. The device for testing the angle and the air volume of the paddle type fan blade of the steam turbine generator according to claim 1, is characterized in that: a coupling (2) is arranged between the main shaft (3) and the dragging machine (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120605756.4U CN214577212U (en) | 2021-03-25 | 2021-03-25 | Testing arrangement of turbo generator oar formula fan blade angle and amount of wind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120605756.4U CN214577212U (en) | 2021-03-25 | 2021-03-25 | Testing arrangement of turbo generator oar formula fan blade angle and amount of wind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214577212U true CN214577212U (en) | 2021-11-02 |
Family
ID=78355493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120605756.4U Active CN214577212U (en) | 2021-03-25 | 2021-03-25 | Testing arrangement of turbo generator oar formula fan blade angle and amount of wind |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214577212U (en) |
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2021
- 2021-03-25 CN CN202120605756.4U patent/CN214577212U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hu Chunjiang Inventor after: Qiu Dilin Inventor after: Lu Zengquan Inventor after: Wang Lei Inventor before: Hu Chunjiang |
|
| CB03 | Change of inventor or designer information |