CN208184880U - A kind of water-use for hydropower turbine overtemperature protection system - Google Patents
A kind of water-use for hydropower turbine overtemperature protection system Download PDFInfo
- Publication number
- CN208184880U CN208184880U CN201820218963.2U CN201820218963U CN208184880U CN 208184880 U CN208184880 U CN 208184880U CN 201820218963 U CN201820218963 U CN 201820218963U CN 208184880 U CN208184880 U CN 208184880U
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- Prior art keywords
- cabinet
- bearing
- water
- internal
- running hot
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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 water-use for hydropower turbine overtemperature protection systems; it is characterized by comprising water wheel axles (1) and bearing running hot protection cabinet (4); the forward end of water wheel axle (1) is fixedly connected with turbine blade (2), and bearing (3) are socketed on water wheel axle (1)；Bearing running hot protection cabinet (4) is socketed on water wheel axle (1); water wheel axle (1) and bearing running hot protection cabinet (4) rotation connection, bearing (3) are set in bearing running hot protection cabinet (4)；Internal bearings cabinet (5) are socketed with outside the bearing (3); internal bearings cabinet (5) is set in bearing running hot protection cabinet (4); it is connected with fixed support column (6) on internal bearings cabinet (5) lower end surface, fixed support column (6) pass through bearing running hot protection cabinet (4).The utility model has the advantage of it can overcome the disadvantages of the prior art, novelty reasonable in design.
Description
Technical field:
The utility model relates to a kind of water-use for hydropower turbine overtemperature protection systems, belong to hydroelectric field.
Background technique:
The hydraulic turbine is the dynamic power machine for the energy of water flow being converted to rotating mechanical energy, it belongs to the turbine in fluid machinery
It is mechanical.Before and after B.C. 100 years, there have been the blanks of the hydraulic turbine for China --- water wheels, for irrigating by lifting water to a higher level with a water pump, etc. and driving grain
Operated implement.The modern hydraulic turbine is then most of to be mounted in power station, is used to driven generator and is generated electricity.In power station, upstream
Water in reservoir guides the hydraulic turbine into through aqueduct, pushes rotary wheel of water turbine rotation, drives electrical power generators.The water for finishing function then leads to
Cross tail water pipeline row downstream.Head is higher, flow is bigger, and the output power of the hydraulic turbine is also bigger.The water wheels of the hydraulic turbine are logical
It crosses bearing to be installed in rack, has sealing device with the junction of rack.The lubrication of bearing is generally to be directly stored in turn
In dynamic cabinet.As the long-time of water wheels rotates, oil temperature is increased, expansion, is overflowed, to cause bearing, locking phenomenon, is affected
The normal operation of the hydraulic turbine.
Utility model content:
The purpose of this utility model is that for proposing in the prior art: " as the long-time of water wheels rotates, oil temperature liter
High, expansion is overflowed, to cause bearing, locking phenomenon, affects the normal operation of the hydraulic turbine " the problem of, a kind of waterpower is provided
Power generation hydraulic turbine overtemperature protection system.
The utility model is implemented by following technical solution: a kind of water-use for hydropower turbine overtemperature protection system, including water
Wheel shaft and bearing running hot protect cabinet, and the forward end of water wheel axle is fixedly connected with turbine blade, is socketed with bearing on water wheel axle；
The bearing running hot protection cabinet is socketed on water wheel axle, water wheel axle and bearing running hot protection cabinet rotation connection, bearing setting
In in bearing running hot guard box body；The bearing outside is connected to internal bearings cabinet, and internal bearings cabinet is set to bearing running hot
In guard box body, fixed support column is connected on internal bearings cabinet lower end surface, fixed support column passes through bearing running hot guard box
Body；Several inner fins disposed in parallel are provided on the internal bearings cabinet, internal heat dissipating on piece is provided with several equal
The through-hole of even setting；Several water inlet pipes, bearing are provided on the end face of turbine blade on the bearing running hot protection cabinet
Several outlet pipes are provided on another side end face of overheating protection cabinet, in water inlet pipe, outlet pipe and bearing running hot guard box body
Portion's connection；Internal heat dissipating component is provided in the bearing running hot guard box body.
In the technical solution of the application, internal bearings cabinet is provided with outside bearing, and be arranged on internal bearing housing
Inner fin, when hydraulic turbine work, turbine blade rotation, water flow is entered from the water inlet pipe of bearing running hot protection cabinet
In bearing running hot guard box body and inner fin is washed away, the heat that bearing rotation generates is transmitted to interior by internal bearings cabinet
Portion's cooling fin, the water flow for passing into inner fin take away the heat of inner fin, so that in internal bearings cabinet
Heat losses, and then reduce bearing temperature.Water flow protects the outlet pipe on cabinet to flow out by bearing running hot, so that bearing
The intracorporal water of overheating protection case is recycled.
It is additionally arranged internal heat dissipating component in the technical solution of the application, the heat of bearing is scattered and disappeared faster, prevents
Bearing running hot only occurs.
Optimization, above-mentioned water-use for hydropower turbine overtemperature protection system, the internal heat dissipating component includes an inside
Cavity, bearing is set in internal cavity and the outer surface of bearing is contacted with internal cavity inner wall；The internal cavity appearance
It is provided with several support rings between face and internal bearings cabinet wall, several interior bones, internal bearings are provided in support ring
Several outer through holes are respectively arranged on the both ends end face of cabinet.
Water flow is entered in internal cavity by outer through holes, by the interior bone in support ring water flow is existed
Circulation, the heat of internal cavity outer surface is transmitted to by water flow with bearing running in internal cavity, enables the heat of bearing
It scatters and disappears faster.
Optimization, above-mentioned water-use for hydropower turbine overtemperature protection system, the inner fin is cone, and inside dissipates
The conical tip of backing is towards the rear end of water wheel axle.
Inner fin is that cone increases the contact area of water flow and inner fin from so that internal heat dissipating
The heat of on piece can be taken away by water flow is more to the greatest extent, so that inner fin fast cooling.
Optimization, above-mentioned water-use for hydropower turbine overtemperature protection system, the water wheel axle is also socketed with internal flow-disturbing fan
Leaf, internal flow-disturbing flabellum are set in bearing running hot guard box body, and internal flow-disturbing flabellum is located at turbine blade and internal bearings case
Between body.
In the technical solution of the application, internal flow-disturbing flabellum is provided on water wheel axle, internal flow-disturbing flabellum passes through rotation
The intracorporal water flow of bearing overheating protection case is stirred, so that the intracorporal water flow of bearing running hot guard box generates vortex, increases water flow
Flowing velocity and in the intracorporal uniformity of bearing running hot guard box.
Optimization, the axis of above-mentioned water-use for hydropower turbine overtemperature protection system, two adjacent water inlet pipes is at an acute angle
Angle.
The axis angle at an acute angle of two adjacent water inlet pipes enables to enter bearing running hot guard box from water inlet pipe
Intracorporal water flow washes away inner fin from different directions, accelerates the heat dissipation of inner fin.
Optimization, above-mentioned water-use for hydropower turbine overtemperature protection system, the internal bearings tank ends closing, inside
Bearing housing is docked by the splicing cylinder of two semi-cylindricals.
In the technical solution of the application, sets internal bearings cabinet to the form of splicing, facilitate internal bearings cabinet
Splicing installation.
Optimization, above-mentioned water-use for hydropower turbine overtemperature protection system, the inner fin is by two parts half-conical
Shape cylinder is spliced, and half cone-shaped cylinder and the splicing cylinder of inner fin are equipped with.
In the technical solution of the application, sets inner fin to the form of splicing, facilitate installation.
Optimization, above-mentioned water-use for hydropower turbine overtemperature protection system, the water wheel axle and bearing running hot protect cabinet
Between rotatory sealing, rotatory sealing between water wheel axle and internal bearings cabinet.
Rotatory sealing can preferably prevent the lubricating fluid in bearing from flowing out, and put sealing and enter in lubricating fluid.
Optimization, above-mentioned water-use for hydropower turbine overtemperature protection system, the intracorporal bearing of internal bearings case is two
It is a.
The setting of multiple bearings enables to the rotation of water wheel axle more smooth, while reducing the fever of single bearing.
The advantages of the utility model: in the technical solution of the application, internal bearings cabinet is provided with outside bearing, and inside
Inner fin is provided on portion's bearing housing, when hydraulic turbine work, turbine blade rotation, water flow is from bearing running hot guard box
The water inlet pipe of body enters in bearing running hot guard box body and washes away inner fin, and the heat that bearing rotation generates passes through inside
Bearing housing is transmitted to inner fin, and the water flow for passing into inner fin takes away the heat of inner fin, makes
The intracorporal heat losses of internal bearings case are obtained, and then reduce the temperature of bearing.Water flow protects going out on cabinet by bearing running hot
Water pipe outflow, so that the intracorporal water of bearing running hot guard box is recycled.
Detailed description of the invention:
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is enlarged drawing at the B of Fig. 1.
Specific embodiment:
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As depicted in figs. 1 and 2, the utility model is a kind of water-use for hydropower turbine overtemperature protection system, including water wheels
Axis 1 and bearing running hot protect cabinet 4, and the forward end of water wheel axle 1 is fixedly connected with turbine blade 2, is socketed with axis on water wheel axle 1
Hold 3；The bearing running hot protection cabinet 4 is socketed on water wheel axle 1, and water wheel axle 1 and bearing running hot protection cabinet 4 are rotatablely connected,
Bearing 3 is set in bearing running hot protection cabinet 4；It is socketed with internal bearings cabinet 5 outside the bearing 3, internal bearings cabinet 5 is set
It is placed in bearing running hot protection cabinet 4, fixed support column 6 is connected on 5 lower end surface of internal bearings cabinet, fixed support column 6 is worn
Cross bearing running hot protection cabinet 4；Several inner fins disposed in parallel 7 are provided on the internal bearings cabinet 5, inside dissipates
Several through-holes 8 being uniformly arranged are provided on backing 7；On the bearing running hot protection cabinet 4 on the end face of turbine blade 2
It is provided with several water inlet pipes 9, is provided with several outlet pipes 10 on another side end face of bearing running hot protection cabinet 4, water inlet pipe 9,
It is connected to inside outlet pipe 10 and bearing running hot protection cabinet 4；Internal heat dissipating group is provided in the bearing running hot protection cabinet 4
Part.
In the technical solution of the application, internal bearings cabinet 5 is provided with outside bearing 3, and set on internal bearing housing 5
Inner fin 7 is set, when hydraulic turbine work, turbine blade 2 is rotated, water inlet pipe 9 of the water flow from bearing running hot protection cabinet 4
Inner fin 7 is entered in bearing running hot protection cabinet 4 and washes away, the heat that the rotation of bearing 3 generates passes through internal bearings case
Body 5 is transmitted to inner fin 7, and the water flow for passing into inner fin 7 takes away the heat of inner fin 7, so that
Heat losses in internal bearings cabinet 5, and then reduce the temperature of bearing 3.Water flow protects going out on cabinet 4 by bearing running hot
Water pipe 10 flows out, so that the water in bearing running hot protection cabinet 4 is recycled.
It is additionally arranged internal heat dissipating component in the technical solution of the application, the heat of bearing 3 is scattered and disappeared faster, prevents
Bearing 3 only occurs to overheat.
The internal heat dissipating component includes an internal cavity 11, and bearing 3 is set in internal cavity 11 and bearing 3
Outer surface is contacted with 11 inner wall of internal cavity；It is provided between 11 outer surface of internal cavity and 5 inner wall of internal bearings cabinet
Several support rings 12 are provided with several interior bones 13 in support ring 12, are respectively set on the both ends end face of internal bearings cabinet 5
There are several outer through holes 14.
Water flow is entered in internal cavity 11 by outer through holes 14, makes water by the interior bone 13 in support ring 12
Stream can circulate in internal cavity 11, be transmitted to the heat of 11 outer surface of internal cavity with bearing running 3 by water flow, so that axis
Holding 3 heat can scatter and disappear faster.
The inner fin 7 is cone, and the conical tip of inner fin 7 is towards the rear end of water wheel axle 1.
Inner fin 7 is that cone increases the contact area of water flow and inner fin 7 from so that internal dissipate
Heat on backing 7 can be taken away by water flow is more to the greatest extent, so that 7 fast cooling of inner fin.
The water wheel axle 1 is also socketed with internal flow-disturbing flabellum 15, and internal flow-disturbing flabellum 15 is set to bearing running hot guard box
In body 4, internal flow-disturbing flabellum 15 is between turbine blade 2 and internal bearings cabinet 5.
In the technical solution of the application, internal flow-disturbing flabellum 15 is provided on water wheel axle 1, internal flow-disturbing flabellum 15 passes through
Water flow in rotation agitation bearing overheating protection cabinet 4 increases so that the water flow in bearing running hot protection cabinet 4 generates vortex
The flowing velocity of water flow and the uniformity in bearing running hot protection cabinet 4.
The axis angle at an acute angle of two adjacent water inlet pipes 9.
The axis angle at an acute angle of two adjacent water inlet pipes 9 enables to enter bearing running hot protection from water inlet pipe 9
Water flow in cabinet 4 washes away inner fin 7 from different directions, accelerates the heat dissipation of inner fin 7.
The internal bearings cabinet 5 is closed at both ends, internal bearings cabinet 5 by the docking of splicing cylinder 51 of two semi-cylindricals and
At.
In the technical solution of the application, sets internal bearings cabinet 5 to the form of splicing, facilitate internal bearings cabinet 5
Splicing installation.
The inner fin 7 is spliced by two parts half cone-shaped cylinder, the half cone-shaped cylinder of inner fin 7
It is equipped with splicing cylinder 51.
In the technical solution of the application, sets inner fin 7 to the form of splicing, facilitate installation.
Rotatory sealing between the water wheel axle 1 and bearing running hot protection cabinet 4, between water wheel axle 1 and internal bearings cabinet 5
Rotatory sealing.
Rotatory sealing can preferably prevent the lubricating fluid in bearing from flowing out, and put sealing and enter in lubricating fluid.
Optimize, above-mentioned water-use for hydropower turbine overtemperature protection system, the bearing 3 in the internal bearings cabinet 5 is
Two.
The setting of multiple bearings 3 enables to the rotation of water wheel axle 1 more smooth, while reducing the fever of single bearing 3.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (9)
1. a kind of water-use for hydropower turbine overtemperature protection system, it is characterised in that: protected including water wheel axle (1) and bearing running hot
Cabinet (4), the forward end of water wheel axle (1) are fixedly connected with turbine blade (2), and bearing (3) are socketed on water wheel axle (1)；Institute
It states bearing running hot protection cabinet (4) to be socketed on water wheel axle (1), water wheel axle (1) and bearing running hot protection cabinet (4) rotation connect
It connects, bearing (3) is set in bearing running hot protection cabinet (4)；It is socketed with internal bearings cabinet (5) outside the bearing (3), it is internal
Bearing housing (5) is set in bearing running hot protection cabinet (4), is connected with fixed support on internal bearings cabinet (5) lower end surface
Column (6), fixed support column (6) pass through bearing running hot protection cabinet (4)；It is provided on the internal bearings cabinet (5) several flat
The inner fin (7) of row setting, is provided with several through-holes (8) being uniformly arranged on inner fin (7)；The bearing running hot
It is provided with several water inlet pipes (9) on the end face of turbine blade (2) in protection cabinet (4), bearing running hot protects cabinet (4)
It is provided on another side end face several outlet pipes (10), in water inlet pipe (9), outlet pipe (10) and bearing running hot protection cabinet (4)
Portion's connection；Internal heat dissipating component is provided in bearing running hot protection cabinet (4).
2. water-use for hydropower turbine overtemperature protection system according to claim 1, it is characterised in that: the internal heat dissipating
Component includes an internal cavity (11), and bearing (3) is set in internal cavity (11) and the outer surface of bearing (3) and internal
The contact of cavity (11) inner wall；It is provided between internal cavity (11) outer surface and internal bearings cabinet (5) inner wall several
Pushing out ring (12) is provided with several interior bones (13) in support ring (12), sets respectively on the both ends end face of internal bearings cabinet (5)
It is equipped with several outer through holes (14).
3. water-use for hydropower turbine overtemperature protection system according to claim 1, it is characterised in that: the internal heat dissipating
Piece (7) is cone, the rear end of the conical tip of inner fin (7) towards water wheel axle (1).
4. water-use for hydropower turbine overtemperature protection system according to claim 1, it is characterised in that: the water wheel axle
(1) it is also socketed with internal flow-disturbing flabellum (15), internal flow-disturbing flabellum (15) is set in bearing running hot protection cabinet (4), internal
Flow-disturbing flabellum (15) is located between turbine blade (2) and internal bearings cabinet (5).
5. water-use for hydropower turbine overtemperature protection system according to claim 1, it is characterised in that: adjacent two into
The axis angle at an acute angle of water pipe (9).
6. water-use for hydropower turbine overtemperature protection system according to claim 1, it is characterised in that: the internal bearings
Cabinet (5) is closed at both ends, and internal bearings cabinet (5) is docked by the splicing cylinder (51) of two semi-cylindricals.
7. water-use for hydropower turbine overtemperature protection system according to claim 6, it is characterised in that: the internal heat dissipating
Piece (7) is spliced by two parts half cone-shaped cylinder, the half cone-shaped cylinder of inner fin (7) and splicing cylinder (51) cooperation
Setting.
8. water-use for hydropower turbine overtemperature protection system according to claim 1, it is characterised in that: the water wheel axle
(1) rotatory sealing between bearing running hot protection cabinet (4), rotatory sealing between water wheel axle (1) and internal bearings cabinet (5).
9. water-use for hydropower turbine overtemperature protection system according to claim 1, it is characterised in that: the internal bearings
Bearing (3) in cabinet (5) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820218963.2U CN208184880U (en) | 2018-02-07 | 2018-02-07 | A kind of water-use for hydropower turbine overtemperature protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820218963.2U CN208184880U (en) | 2018-02-07 | 2018-02-07 | A kind of water-use for hydropower turbine overtemperature protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208184880U true CN208184880U (en) | 2018-12-04 |
Family
ID=64440309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820218963.2U Expired - Fee Related CN208184880U (en) | 2018-02-07 | 2018-02-07 | A kind of water-use for hydropower turbine overtemperature protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208184880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594086A (en) * | 2019-09-24 | 2019-12-20 | 福州恒汽新能源科技有限公司 | Tidal power generation disc capable of protecting marine organisms from being damaged |
-
2018
- 2018-02-07 CN CN201820218963.2U patent/CN208184880U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594086A (en) * | 2019-09-24 | 2019-12-20 | 福州恒汽新能源科技有限公司 | Tidal power generation disc capable of protecting marine organisms from being damaged |
| CN110594086B (en) * | 2019-09-24 | 2020-12-04 | 福州德瑞水下工程有限公司 | Tidal power generation disc capable of protecting marine organisms from being damaged |
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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 |
Granted publication date: 20181204 Termination date: 20200207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |