CN206495738U - A kind of packaged axial flow formula hydraulic turbine - Google Patents
A kind of packaged axial flow formula hydraulic turbine Download PDFInfo
- Publication number
- CN206495738U CN206495738U CN201720137500.9U CN201720137500U CN206495738U CN 206495738 U CN206495738 U CN 206495738U CN 201720137500 U CN201720137500 U CN 201720137500U CN 206495738 U CN206495738 U CN 206495738U
- Authority
- CN
- China
- Prior art keywords
- hydraulic turbine
- top cover
- axial flow
- inner top
- seal box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Hydraulic Turbines (AREA)
Abstract
The utility model discloses a kind of packaged axial flow formula hydraulic turbine, including the axial flow hydraulic turbine spiral case being fixed in the water channel basis of power station, axial flow hydraulic turbine spiral case is connected with draft tube, water inlet stator and speed adjusting gear, axial flow hydraulic turbine spiral case top cover inner ring is provided with installation platform, a hydraulic turbine inner top cover is tightly connected in installation platform, connection generator shaft is worn in hydraulic turbine inner top cover, the lower end connection turbine impeller of main shaft, the rubber shaft bearing and packing seal box of sealing are provided between the cavity and main shaft of hydraulic turbine inner top cover, packing seal box is tightly connected with hydraulic turbine inner top cover, filler and gland are provided with packing seal box, a transition seal chamber is formed between rubber shaft bearing and packing seal box；The utility model is by setting multi-sealing structure, it is ensured that the intensity of the hydraulic turbine and generator shaft is reliable, favorable sealing property, makes small its compact conformation, overall volume, good seal performance, easy to install, generating set stable and safe in operation.
Description
Technical field
The utility model is related to technical field of hydroelectric generation, more particularly to a kind of packaged axial flow formula hydraulic turbine.
Background technology
The hydraulic turbine is the essential part of hydroelectric generation industry, and the hydraulic turbine can make full use of cleaning renewable energy
Realize energy-saving and emission-reduction, reduce environmental pollution in source.China's current hydraulic turbine installation is large number of, install it is more have mixed-flow,
Axial-flow type and tubular turbine.The axial flow hydraulic turbine that existing middle-size and small-size water-power plant is used generally all is to continue to use old
Structure design, is generally all separate type connection between axial flow hydraulic turbine and generator, generator and axial flow hydraulic turbine it
Between need to set connecting shaft, support base and bearing, and need to pour substantial amounts of concrete foundation, its installation quantities
Greatly, causing the construction of hydropower stations, just current cost is high, and needs the part safeguarded also many during operation, adds operation expense；
And when generating set is changed or upgraded using certain time limit, concrete foundation and connecting shaft, support base and bearing all may
Because physical dimension is mismatched to need to remove and rebuild, the overall benefit in power station is caused to be affected.
By the hydraulic turbine together with generator Integrated design, the turbine-generator units of a monoblock type are formed, can be reduced
Hydrogenerator overall volume, mitigates weight, reduces installation quantities, the reduction construction of hydropower stations just current cost, and energy
Operation expense is enough reduced, is the development trend of hydroelectric generation industry.
According to axial flow hydraulic turbine design feature, axial flow hydraulic turbine is formed one together with generator Integrated design
During the turbine-generator units of monoblock type, its structure needs re-optimization to improve, and just can ensure that the hydraulic turbine and generator of monoblock type
Between structural strength it is reliable, favorable sealing property reliable and stable can be run.
The content of the invention
To overcome the deficiencies in the prior art, the utility model is there is provided a kind of Stability Analysis of Structures is reliable, overall volume is small, sealing
Good, the easy to install packaged axial flow formula hydraulic turbine of performance.
The utility model is to reach that the technical scheme that above-mentioned technical purpose is used is：A kind of packaged axial flow formula hydraulic turbine,
Including the fixed axial flow hydraulic turbine spiral case for pouring installation in power station water channel basis, the axial flow hydraulic turbine spiral case center
Provided with draft tube vertically downward in the water channel basis of power station, it is provided with the inside of the axial flow hydraulic turbine spiral case above the draft tube
Water inlet stator, the water inlet stator is connected with the axial flow hydraulic turbine spiral case top cover above speed adjusting gear, the water inlet stator
Circle is provided with to be tightly connected in a hydraulic turbine inner top cover, the hydraulic turbine inner top cover in installation platform, the installation platform and worn
Connect in the main shaft of generator, the lower end connection turbine impeller of the main shaft, the hydraulic turbine inner top cover and be provided with mounting flange
With positioning shaft shoulder, the rubber shaft bearing of sealing, the rubber shaft bearing are provided between the cavity and main shaft of the hydraulic turbine inner top cover
It is arranged with a packing seal box, the packing seal box to be provided with to seal with the hydraulic turbine inner top cover on the main shaft of top and connects
The filler and gland coordinated with the main shaft seal, the rubber are provided with the sealing mounting surface connect, the packing seal box
A transition seal chamber is left in hydraulic turbine inner top cover cavity between glue bearing and packing seal box.
The end face of the packing seal box is provided with an interface being connected with the transition seal chamber.
Can be with the sealing close-fitting sealing chamfering of mounting surface, the sealing chamfering in the hydraulic turbine inner top cover
In be provided with sealing strip.
Mounting bracket of the hydraulic turbine inner top cover provided with support fixed generator.
The beneficial effects of the utility model are：Using said structure, connection generator can be worn by setting one
The hydraulic turbine inner top cover of main shaft, turbine impeller can be directly installed on main shaft, set in the cavity of hydraulic turbine inner top cover
Rubber shaft bearing and packing seal box, and a transition seal chamber is formed, pass through the sealing structure of this multiple settings, it is ensured that water
The intensity of the generator shaft being fixedly connected in turbine inner top cover is reliable, favorable sealing property, can reliably realize generator with
Hydraulic turbine integrated is designed, and makes small its compact conformation, overall volume, good seal performance, easy to install, is advantageously ensured that whole
The hydraulic generator stable and safe in operation of body formula structure.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.Wherein：
Fig. 1 is the structural representation of the utility model packaged axial flow formula hydraulic turbine.
Embodiment
To describe technology contents of the present utility model, construction feature, the objects and the effects in detail, below in conjunction with implementation
Mode simultaneously coordinates accompanying drawing to describe in detail.
Refer to shown in Fig. 1, the utility model packaged axial flow formula hydraulic turbine includes fixation in power station water channel basis 1 and poured
Provided with vertical in the axial flow hydraulic turbine spiral case 11 of installation, the power station water channel basis 1 at the center of axial flow hydraulic turbine spiral case 11
Straight downward draft tube 12, the inner side of axial flow hydraulic turbine spiral case 11 of the top of draft tube 12 is described provided with water inlet stator 13
Water inlet stator 13 is connected with speed adjusting gear 14, and the top cover inner ring of axial flow hydraulic turbine spiral case 11 of the top of water inlet stator 13 is provided with
It is tightly connected in a hydraulic turbine inner top cover 2, the hydraulic turbine inner top cover 2 and wears in installation platform 15, the installation platform 15
Connect in the main shaft 3 of generator, the lower end connection turbine impeller 4 of the main shaft 3, the hydraulic turbine inner top cover 2 provided with installation
Flange 21 and positioning shaft shoulder 22, are provided with the rubber shaft bearing 5 of sealing, institute between the cavity and main shaft 3 of the hydraulic turbine inner top cover 2
It is arranged with a packing seal box 6, the packing seal box 6 and is provided with and the water wheels on the main shaft 3 for stating the top of rubber shaft bearing 5
It is provided with the sealing mounting surface 61 that machine inner top cover 2 is tightly connected, the packing seal box 6 and seals filling out for cooperation with the main shaft 3
One is left in material 62 and gland 63, the cavity of hydraulic turbine inner top cover 2 between the rubber shaft bearing 5 and packing seal box 6
Transition seal chamber 23.
The end face of the packing seal box 6 is provided with an interface 64 being connected with the transition seal chamber 23.
In the hydraulic turbine inner top cover 2 can with it is described sealing mounting surface 61 it is close-fitting sealing chamfering 24, it is described close
Seal and sealing strip 25 is provided with chamfering 22.
Mounting bracket 7 of the hydraulic turbine inner top cover 2 provided with support fixed generator.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure transformation made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in other correlations
Technical field, is similarly included in scope of patent protection of the present utility model.
Claims (4)
1. a kind of packaged axial flow formula hydraulic turbine, it is characterised in that：Including the fixed axle stream for pouring installation in power station water channel basis
Provided with draft tube vertically downward in formula spiral case, the power station water channel basis at the axial flow hydraulic turbine spiral case center,
Provided with water inlet stator on the inside of axial flow hydraulic turbine spiral case above the draft tube, the water inlet stator is connected with speed adjusting gear,
Axial flow hydraulic turbine spiral case top cover inner ring above the water inlet stator, which is provided with installation platform, the installation platform, to be tightly connected
The main shaft of connection generator, the lower end connection water of the main shaft are worn in one hydraulic turbine inner top cover, the hydraulic turbine inner top cover
Mounting flange and positioning shaft shoulder, the cavity of the hydraulic turbine inner top cover and master are provided with engine blade wheel, the hydraulic turbine inner top cover
It is provided between axle on the main shaft above the rubber shaft bearing of sealing, the rubber shaft bearing and is arranged with a packing seal box, it is described
Be provided with provided with the sealing mounting surface that is tightly connected with the hydraulic turbine inner top cover in packing seal box, in the packing seal box with
Filler and gland that the main shaft seal coordinates, the hydraulic turbine inner top cover chamber between the rubber shaft bearing and packing seal box
A transition seal chamber is left in body.
2. a kind of packaged axial flow formula hydraulic turbine according to claim 1, it is characterised in that：The end face of the packing seal box
Provided with an interface being connected with the transition seal chamber.
3. a kind of packaged axial flow formula hydraulic turbine according to claim 1, it is characterised in that：Energy in the hydraulic turbine inner top cover
It is enough that sealing strip is provided with the close-fitting sealing chamfering of mounting surface, the sealing chamfering with described seal.
4. a kind of packaged axial flow formula hydraulic turbine according to claim 1, it is characterised in that：Set on the hydraulic turbine inner top cover
There is the mounting bracket of support fixed generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720137500.9U CN206495738U (en) | 2017-02-16 | 2017-02-16 | A kind of packaged axial flow formula hydraulic turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720137500.9U CN206495738U (en) | 2017-02-16 | 2017-02-16 | A kind of packaged axial flow formula hydraulic turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206495738U true CN206495738U (en) | 2017-09-15 |
Family
ID=59804786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720137500.9U Expired - Fee Related CN206495738U (en) | 2017-02-16 | 2017-02-16 | A kind of packaged axial flow formula hydraulic turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206495738U (en) |
-
2017
- 2017-02-16 CN CN201720137500.9U patent/CN206495738U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170915 Termination date: 20200216 |