CN204082424U - Underwater shaft system for marine tidal-current energy generating rotates protective gear and tidal generating set - Google Patents
Underwater shaft system for marine tidal-current energy generating rotates protective gear and tidal generating set Download PDFInfo
- Publication number
- CN204082424U CN204082424U CN201420359639.4U CN201420359639U CN204082424U CN 204082424 U CN204082424 U CN 204082424U CN 201420359639 U CN201420359639 U CN 201420359639U CN 204082424 U CN204082424 U CN 204082424U
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- China
- Prior art keywords
- bearing
- oiling agent
- rotating shaft
- current energy
- energy generating
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- Expired - Lifetime
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2380/00—Electrical apparatus
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
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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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- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Sealing Of Bearings (AREA)
Abstract
The utility model provides a kind of underwater shaft system for marine tidal-current energy generating to rotate protective gear and tidal generating set.Underwater shaft system rotation protective gear for marine tidal-current energy generating is applicable to protection and is positioned at undersurface axle system; axle system comprises rotating shaft and at least one bearing; the sheathed rotating shaft of bearing, the underwater shaft system for marine tidal-current energy generating rotates protective gear and comprises oiling agent storage box, at least two seal rings and conduit.Oiling agent storage box stores oiling agent, and oiling agent storage box is positioned on the water surface.At least two seal rings are sheathed in rotating shaft, form lubricant cavity between two seal rings and axle system.One end of conduit is communicated with oiling agent storage box, and the other end is communicated with lubricant cavity.The underwater shaft system for marine tidal-current energy generating that the utility model provides rotates protective gear energy available protecting introduced contaminants, and the silt especially in water enters axle system, thus the normal work of available protecting bearing.
Description
Technical field
The utility model relates to a kind of rotation protective gear, particularly relates to a kind of underwater shaft system for marine tidal-current energy generating and rotates protective gear and tidal generating set.
Background technique
Axle system comprises rotating shaft and bearing.Bearing is used to support and fixed rotating shaft, and it can ensure the running accuracy of rotating shaft, makes it can only realize rotating, and controls its axial and radial movement.Lubrication is the necessary condition ensureing that bearing runs well.Can say, whether whether the performance of a machinery can give full play to the lubrication that will depend on bearing suitable.The lubrication of bearing needs to make with lubricator, and for preventing bleeding of lubricant, bearing must seal.
But most of axle system is used in land.Small part special dimension, as oil drilling platform, submarine and steamer, because its production and application needs, its axle system can be positioned among liquid.Because the particularity of operation environment, these fields can be high especially to the sealing requirements of bearing.Once blow-by, being not only oiling agent can run off, and affects the normal work of axle system between the rolling element that the liquid in outside also may pierce space between bearing and rotating shaft or bearing.
To this, the mode increasing seal ring in prior art, is usually adopted to improve the sealing of bearing.No matter be oil drilling platform, the rotating shaft that uses in submarine or steamer, the external force that what its major part was subject to is vertically.Therefore traditional seal ring just can solve the demand of its sealing.
But for utilizing ocean energy, especially marine tidal-current energy carries out the electricity generating device that generates electricity, and the rotating shaft wherein used is more be subject to current enormous impact power radially.After using a period of time, seal ring is owing to deforming, and the sealing of bearing cannot ensure.Owing to cannot solve the high problem of sealing demand, existing ocean power generating device can only give up the rolling bearing adopting oil as oiling agent, selects the sliding bearing that can use water as oiling agent.But existing technical staff have ignored a problem.Must be able to be clear water as the water of oiling agent.In other words, due to normal containing a large amount of silt in current, if seal ring pours in bearing because resiliently deformable causes outside water to carry the impurity such as silt, the lubrication to bearing not only cannot be realized, also can affect the normal work of rotating shaft, finally affect the generating efficiency of electricity generating device.Therefore, existing ocean power generating device usually faces needs replacing axle system and shaft to keep in repair, and causes the problem that cost is climbed to a higher point.
Model utility content
The utility model, in order to overcome the deficiencies in the prior art, provides a kind of underwater shaft system for marine tidal-current energy generating to rotate protective gear and tidal generating set.
In order to realize an object of the present utility model; the utility model provides a kind of underwater shaft system for marine tidal-current energy generating to rotate protective gear; be applicable to protection and be positioned at undersurface axle system; axle system comprises rotating shaft and at least one bearing; the sheathed rotating shaft of bearing, the underwater shaft system for marine tidal-current energy generating rotates protective gear and comprises oiling agent storage box, at least two seal rings and conduit.Oiling agent storage box stores oiling agent, and oiling agent storage box is positioned on the water surface.At least two seal rings are sheathed in rotating shaft, form lubricant cavity between two seal rings and axle system.One end of conduit is communicated with oiling agent storage box, and the other end is communicated with lubricant cavity.
In an embodiment of the present utility model, whether the underwater shaft system for marine tidal-current energy generating rotates protective gear and also comprises detection module, be arranged at oiling agent storage box and reduce to detect oiling agent.
In an embodiment of the present utility model, bearing is sliding bearing, and lubricant cavity is formed by two seal rings and bearing and rotating shaft.
In an embodiment of the present utility model, bearing is rolling bearing, and axle system also comprises bearing support, and lubricant cavity is formed by two seal rings and bearing support and rotating shaft, and the rolling element of bearing is positioned at lubricant cavity.
In an embodiment of the present utility model, oiling agent is lubricant oil or water.
In order to realize another object of the present utility model, the utility model also provides a kind of tidal current energy generating equipment, comprises water turbine, axle system, generator and underwater shaft system and rotates protective gear.Water turbine is positioned at underwater, and the axial direction of water turbine is perpendicular to horizontal plane.Axle system comprises rotating shaft and at least one bearing.Rotating shaft wears water turbine, and rotating shaft is rotated with the rotation of water turbine.The sheathed rotating shaft of at least one bearing.Underwater shaft system rotates protective gear and comprises oiling agent storage box, at least two seal rings and conduit.Oiling agent storage box stores oiling agent, and oiling agent storage box is positioned on the water surface.At least two seal rings are sheathed in rotating shaft, two seal rings and form lubricant cavity between bearing and rotating shaft.One end of conduit is communicated with oiling agent storage box, and the other end is communicated with lubricant cavity.
In an embodiment of the present utility model, whether underwater shaft system rotates protective gear and also comprises detection module, be arranged at oiling agent storage box and reduce to detect oiling agent.
In an embodiment of the present utility model, tidal current energy generating equipment also comprises framework, and framework comprises external frame and inner gimbal, and inner gimbal is arranged in external frame separably, and water turbine is arranged in inner gimbal.
In an embodiment of the present utility model, bearing is sliding bearing, and lubricant cavity is formed by two seal rings and bearing and rotating shaft.
In an embodiment of the present utility model, bearing is rolling bearing, and axle system also comprises bearing support, and lubricant cavity is formed by two seal rings and bearing support and rotating shaft, and the rolling element of bearing is positioned at lubricant cavity.
In sum, the underwater shaft system for marine tidal-current energy generating that the utility model provides rotates protective gear energy available protecting introduced contaminants, and the silt especially in water enters axle system, thus the normal work of available protecting bearing.The tidal current energy generating equipment that the utility model provides, by adopting underwater shaft system to rotate protective gear, while prolongation bearing working life, considerably reducing maintenance frequency and maintenance cost, effectively ensure that generating efficiency is unaffected simultaneously.In addition, the bearing in the tidal current energy generating equipment that the utility model provides can adopt rolling bearing, overcomes underwater shaft system in prior art and can only use the technology barriers of the sliding bearing of water lubrication.
In addition, by arranging detection module, can know whether the sealing of bearing reduces in time and intuitively, thus effectively guide maintenance personnel when where is keeped in repair, improve promptness and the reliability of maintenance.By framework is set to separable external frame and inner gimbal, protective gear can be rotated to water turbine and underwater shaft system quickly and easily and repair or replace, greatly reduce maintenance cost.
For above-mentioned and other objects, features and advantages of the present utility model can be become apparent, preferred embodiment cited below particularly, and coordinate accompanying drawing, be described in detail below.
Accompanying drawing explanation
Figure 1 shows that the underwater shaft system for marine tidal-current energy generating provided according to the utility model first embodiment rotates the partial schematic diagram of protective gear.
Figure 2 shows that the schematic diagram of the tidal current energy generating equipment according to the utility model first embodiment.
Figure 3 shows that the enlarged diagram of circle mark V in Fig. 2.
Figure 4 shows that the schematic diagram of the tidal current energy generating equipment according to the utility model second embodiment.
Figure 5 shows that the enlarged diagram of circle mark U in Fig. 4.
Embodiment
Figure 1 shows that the underwater shaft system for marine tidal-current energy generating provided according to the utility model first embodiment rotates the partial schematic diagram of protective gear.Figure 2 shows that the schematic diagram of the tidal current energy generating equipment according to the utility model first embodiment.Figure 3 shows that the enlarged diagram of circle mark V in Fig. 2.Please also refer to Fig. 1 to Fig. 3.
The underwater shaft system rotation protective gear 4 for marine tidal-current energy generating that the present embodiment provides is applicable to protection and is positioned at undersurface axle system 2.Axle system 2 comprises rotating shaft 21 and at least one bearing 22, the sheathed rotating shaft 21 of bearing 22.In practical application, axle system 2 also comprises bearing support 23, and bearing 22 is fixed in bearing support 23.Axle system 2 all can be positioned at underwater, also partly can be positioned at underwater.The form of the tidal current energy generating equipment that the utility model shaft 2 is used also is not limited in any way.When axle system 2 is used in vertical-axis tide energy electricity generating device, rotating shaft 21 can be the central shaft of horizontal shaft water-turbine.When axle system 2 is used in horizontal axis tidal current energy electricity generating device, rotating shaft 21 can for a change horizontal axis water turbine towards rotating shaft.
Underwater shaft system for marine tidal-current energy generating rotates protective gear 4 and comprises oiling agent storage box 41, at least two seal rings 42 and conduit 43.Oiling agent storage box 41 stores oiling agent 411, and oiling agent storage box 41 is positioned on water surface P.At least two seal rings 42 are sheathed in rotating shaft 21, form lubricant cavity 421 between two seal rings 42 and axle system 2.
One end of conduit 43 is communicated with oiling agent storage box 41, and the other end is communicated with lubricant cavity 421.In the present embodiment, the quantity of conduit 43 and oiling agent storage box 41 is two, and two conduits 43 are communicated with both sides and two oiling agent storage boxes 41 of lubricant cavity 421 respectively.By increasing the quantity of conduit 43 to improve the speed of filling oiling agent 411.But the utility model is not limited in any way this.In the present embodiment, conduit 43 can adopt stainless steel to make.
In the first embodiment, bearing 22 is sliding bearing, and lubricant cavity 421 is formed by two seal rings 42 and bearing 22 and rotating shaft 21.Specifically, the upper and lower surface of lubricant cavity 421 is made up of respectively two seal rings 42, and the internal surface of lubricant cavity 421 is the outer surface of rotating shaft 21 necked part, and the outer surface of lubricant cavity 421 is the internal surface of bearing 22.Lubricant cavity 421 is cross sections is rings, and longitudinal section is rectangular ring-shaped cylinder.Oiling agent 411 is filled in lubricant cavity 421 to form lubricating film thus to reduce friction.In the first embodiment, oiling agent 411 is not containing the pure seawater of the impurity such as silt.
In the first embodiment, tidal current energy generating equipment 100 comprises water turbine 1, axle system 2, generator 3 and underwater shaft system and rotates protective gear 4.Under water turbine 1 is positioned at water surface P, the axial direction A of water turbine 1 is perpendicular to horizontal plane P.Axle system 2 comprises rotating shaft 21 and at least one bearing 22.Rotating shaft 21 wears water turbine 1.The sheathed rotating shaft 21 of at least one bearing 22.Underwater shaft system rotation protective gear 4 adopts structure as shown in Figure 1.
In practical application, the impeller of water turbine 1 is subject to the impact force of trend, thus rotates.Can be interference fit between rotating shaft 21 and water turbine 1, rotating shaft 21 is rotated with the rotation of water turbine 1.In the present embodiment, generator 3 also comprises gear-box 31, and the gear hole of the driving gear in one end of rotating shaft 21 and gear-box 31 is interference fit.The rotation of rotating shaft 21 drives the rotation of this gear, then by engaging each other between gear, mechanical energy is passed to generator 3 thus orders about generator 3 and generate electricity.Gear-box 31 plays the effect of transmitting kinetic energy and deceleration.
Because the impact force of trend to water turbine 1 is huge, seal ring 42 is subject to huge radial force for a long time, is easy to resiliently deformable occurs, thus causes no longer sealing between seal ring 42 and rotating shaft 21, namely there is space between seal ring 42 and rotating shaft 21.Be be arranged in lubricant cavity 421 because oiling agent 411 is original, after lubricant cavity 421 exists space, oiling agent 411 probably runs off, and meanwhile, the water of outside also can carry the impurity such as silt and pour in from space.
Below the underwater shaft system for marine tidal-current energy generating that introducing the present embodiment in detail provides rotates protective gear 4 and how to protect being positioned at undersurface axle system 2.
Because oiling agent storage box 41 is positioned on water surface P, and axle system 2 is positioned under water surface P, there is height difference therebetween.According to the formula of liquid pressure, pressure and the degree of depth (height between pressure point to liquid level) proportional relation.Be positioned at the oiling agent 411 of lubricant cavity 421 owing to being carried by the conduit 43 being communicated with oiling agent storage box 41, when density is the same, lubricant cavity 421 is greater than the pressure of outside, same depth of water place certainly with the pressure of conduit 43 connectivity part.Meanwhile, because liquid can transmit pressure, the internal pressure that seal ring 42 sealing place is subject to is greater than the external pressure that seal ring 42 sealing place is subject to certainly.Therefore, lubricant cavity 421 is in " micro positive pressure " state all the time.
In other words; even if sealing cannot be realized between bearing 22 and rotating shaft 21; namely there is space between seal ring 42 and rotating shaft 21; oiling agent 411 also constantly can flow in lubricant cavity 421 under differential pressure action from oiling agent storage box 41; then flow out to seal ring 42 from space; water with silt outside being arranged in also can not flow into lubricant cavity 421 from space, thus really realizes the protective action of shaft 2.
In the first embodiment, along the axis of rotating shaft 21, bearing 22 is provided with three.In practical application, conduit 43 also comprises joint 431, and by joint 431, conduit 43 can realize multichannel arrangement, thus total road that the lubricant cavity 421 in three bearings 22 can share a conduit 43 is communicated with common oiling agent storage box 41.But the utility model is not limited in any way this.
In the present embodiment, whether the underwater shaft system for marine tidal-current energy generating rotates protective gear 4 and also comprises detection module 45, be arranged at oiling agent storage box 41 and reduce to detect oiling agent 411.In practical application, detect module 45 and can be infrared inductor, whether whether the height of detection oiling agent 411 in oiling agent storage box 41 reduces the section of sentencing oiling agent 411 is reduced.Detect module 45 and also can be gravity sensor, whether whether the quality of detection oiling agent 411 in oiling agent storage box 41 reduces the amount judging oiling agent 411 changes.The sealability that the minimizing of oiling agent 411 represents axle system 2 declines, thus reminds maintenance man's seal ring 42 aging or there occurs distortion needs and carry out keeping in repair and changing.Detect module 45 by arranging, maintenance man intuitively and in time can know the state of axle system 2, the especially using state of seal ring 42, and safeguards tidal current energy generating equipment 100 in time.
In reality uses, the underwater shaft system for marine tidal-current energy generating rotates protective gear 4 can also comprise alarm module (not shown), and described alarm module connects described detection module 45.When detecting module 45 and detecting that oiling agent 411 reduces, alarm module gives the alarm.
In the present embodiment, tidal current energy generating equipment 100 also comprises framework 5, and oiling agent storage box 41 is fixed on framework 5.In the present embodiment, framework 5 comprises inner gimbal 51 and external frame 52, and water turbine 1 is arranged in inner gimbal 51, and inner gimbal 51 is arranged in external frame 52 separably.
In practical application, can first water turbine 1 is fixed in inner gimbal 51, then multiple inner gimbal 51 is separately fixed in external frame 52, thus the modularization realizing water turbine 1 be installed and array-type distribution.Enormously simplify installation procedure, reduce the installation time, reduce installation difficulty in ocean.In addition, easily damage due to seal ring 42 and agingly will to change, needs keep in repair by traditional ocean power generating device in water.Such maintenance is very difficult and expense is huge.But, the module that inner gimbal 51 and water turbine 1 form can directly be taken out by tidal current energy generating equipment 100 of the present utility model from water, conveniently water turbine 1 and axle system 2 are repaired or replaced, realize the rapid-maintenance of tidal current energy generating equipment 100, greatly reduce maintenance cost.
Figure 4 shows that the schematic diagram of the tidal current energy generating equipment according to the utility model second embodiment.Figure 5 shows that the enlarged diagram of circle mark U in Fig. 4.Please also refer to Fig. 4 and Fig. 5.
Water turbine 1 in the present embodiment, generator 3, oiling agent storage box 41, conduit 43, the structure detecting module 45 and framework 5 and annexation as in the first embodiment, do not repeat them here.Similar elements adopts identical label, is only explained with regard to difference below.
Because rolling bearing surface friction drag is little, the Applicable scope of easy startup, load, rotating speed and operating temperature is wider, running accuracy is high, lubrication, the series of advantages such as easy to maintenance, bearing in the tidal current energy generating equipment that the utility model provides can adopt rolling bearing, overcomes underwater shaft system in prior art and can only use the technology barriers of the sliding bearing of water lubrication.
In the second embodiment, bearing 22 ' comprises inner ring 221 ', outer ring 222 ' and rolling element 223 '.Inner ring 221 ' and rotating shaft 21 ' match to merge and rotate together with rotating shaft 21 ', match with bearing support 23 ' and play a supportive role in outer ring 222 '.Sliding friction between sliding bearing shaft and bearing has been become the rolling friction being positioned at rolling element 223 ' between inner ring 221 ' and outer ring 222 ' by bearing 22 '.
In the present embodiment, axle system 2 ' also comprises bearing support 23 ', and lubricant cavity 421 ' is formed by two seal rings 42 ' and bearing support 23 ' and rotating shaft 21 ', and the rolling element 223 ' of bearing 22 ' is positioned at lubricant cavity 421 '.Specifically, the bearing support 23 ' of the present embodiment comprises two end caps 231 '.End cap 231 ' not only plays the axially locating effect of bearing 22 ', also plays the effect of anti-impurity and sealing together with seal ring 42 '.Upper and lower two end caps 231 ', seal ring 42 ', rotating shaft 21 ' and circumference bearing support 23 ' between form Seal cage, bearing 22 ' is positioned at cavity.
In the second embodiment, oiling agent 411 ' is lubricant oil.A conduit 43 is communicated in upper end cap 231 ' place, and another root conduit 43 is communicated in lower end cap 231 ' place.By this set, the rolling element 223 ' of bearing 22 ' is infiltrated in lubricant oil.
Although the density of lubricant oil is slightly less than the density of water, and pressure and density, the degree of depth are all proportional, but because the height difference of the oiling agent storage box 41 on the water surface and lubricant cavity 421 ' is under water larger, through calculating, on the whole, lubricant cavity 421 ' is still in " micro positive pressure " state.In other words; even if the seal ring 42 ' being positioned at below cannot realize sealing; oiling agent 411 ' also can constantly flow in lubricant cavity 421 ' under differential pressure action from oiling agent storage box 41; then flow out to seal ring 42 ' from space; water with silt outside being arranged in also can not flow into lubricant cavity 421 ' from space, thus really realizes the protective action of shaft 2 '.
In sum, the underwater shaft system for marine tidal-current energy generating that the utility model provides rotates protective gear energy available protecting introduced contaminants, and the silt especially in water enters axle system, thus the normal work of available protecting bearing.The tidal current energy generating equipment that the utility model provides, by adopting underwater shaft system to rotate protective gear, while prolongation bearing working life, considerably reducing maintenance frequency and maintenance cost, effectively ensure that generating efficiency is unaffected simultaneously.In addition, the bearing in the tidal current energy generating equipment that the utility model provides can adopt rolling bearing, overcomes underwater shaft system in prior art and can only use the technology barriers of the sliding bearing of water lubrication.
In addition, by arranging detection module, can know whether the sealing of bearing reduces in time and intuitively, thus effectively guide maintenance personnel when where is keeped in repair, improve promptness and the reliability of maintenance.By framework is set to separable external frame and inner gimbal, protective gear can be rotated to water turbine and underwater shaft system quickly and easily and repair or replace, greatly reduce maintenance cost.
Although the utility model discloses as above by preferred embodiment; but and be not used to limit the utility model; anyly know this those skilled in the art; not departing from spirit and scope of the present utility model; can do a little change and retouching, therefore protection domain of the present utility model is when being as the criterion depending on claims scope required for protection.
Claims (10)
1. one kind is rotated protective gear for the underwater shaft system of marine tidal-current energy generating; be applicable to protection and be positioned at undersurface axle system, described axle system comprises rotating shaft and at least one bearing, the sheathed described rotating shaft of described bearing; be characterised in that, the described underwater shaft system for marine tidal-current energy generating rotates protective gear and comprises:
Oiling agent storage box, stores oiling agent, and described oiling agent storage box is positioned on the water surface;
At least two seal rings, are sheathed in rotating shaft, form lubricant cavity between two seal rings and axle system;
Conduit, one end of described conduit is communicated with described oiling agent storage box, and the other end is communicated with described lubricant cavity.
2. the underwater shaft system for marine tidal-current energy generating according to claim 1 rotates protective gear; it is characterized in that; whether the described underwater shaft system for marine tidal-current energy generating rotates protective gear and also comprises detection module, be arranged at described oiling agent storage box and reduce to detect oiling agent.
3. the underwater shaft system for marine tidal-current energy generating according to claim 1 rotates protective gear, and it is characterized in that, described bearing is sliding bearing, and described lubricant cavity is formed by two seal rings and bearing and rotating shaft.
4. the underwater shaft system for marine tidal-current energy generating according to claim 1 rotates protective gear; it is characterized in that; described bearing is rolling bearing; described axle system also comprises bearing support; described lubricant cavity is formed by two seal rings and bearing support and rotating shaft, and the rolling element of described bearing is positioned at described lubricant cavity.
5. the underwater shaft system for marine tidal-current energy generating according to claim 1 rotates protective gear, and it is characterized in that, described oiling agent is lubricant oil or water.
6. a tidal current energy generating equipment, is characterized in that, comprising:
Water turbine, is positioned at underwater, and the axial direction of described water turbine is perpendicular to horizontal plane;
Axle system, comprise rotating shaft and at least one bearing, described rotating shaft wears described water turbine, and described rotating shaft is rotated, the sheathed described rotating shaft of at least one bearing with the rotation of described water turbine;
Generator, to be positioned on the water surface and to connect one end of described rotating shaft;
Underwater shaft system rotates protective gear, comprising:
Oiling agent storage box, stores oiling agent, and described oiling agent storage box is positioned on the water surface;
At least two seal rings, are sheathed in rotating shaft, two seal rings and form lubricant cavity between bearing and rotating shaft;
Conduit, one end of described conduit is communicated with oiling agent storage box, and the other end is communicated with lubricant cavity.
7. tidal current energy generating equipment according to claim 6, is characterized in that, whether described underwater shaft system rotates protective gear and also comprises detection module, be arranged at described oiling agent storage box and reduce to detect oiling agent.
8. tidal current energy generating equipment according to claim 6, is characterized in that, described tidal current energy generating equipment also comprises framework, and described framework comprises external frame and inner gimbal, and inner gimbal is arranged in external frame separably, and water turbine is arranged in inner gimbal.
9. tidal current energy generating equipment according to claim 6, is characterized in that, described bearing is sliding bearing, and described lubricant cavity is formed by two seal rings and bearing and rotating shaft.
10. tidal current energy generating equipment according to claim 6, it is characterized in that, described bearing is rolling bearing, and described axle system also comprises bearing support, described lubricant cavity is formed by two seal rings and bearing support and rotating shaft, and the rolling element of described bearing is positioned at described lubricant cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420359639.4U CN204082424U (en) | 2014-06-30 | 2014-06-30 | Underwater shaft system for marine tidal-current energy generating rotates protective gear and tidal generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420359639.4U CN204082424U (en) | 2014-06-30 | 2014-06-30 | Underwater shaft system for marine tidal-current energy generating rotates protective gear and tidal generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204082424U true CN204082424U (en) | 2015-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420359639.4U Expired - Lifetime CN204082424U (en) | 2014-06-30 | 2014-06-30 | Underwater shaft system for marine tidal-current energy generating rotates protective gear and tidal generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204082424U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105986951A (en) * | 2015-02-09 | 2016-10-05 | 杭州林东新能源科技股份有限公司 | Sliding bearing and tide generating set provided with same |
| WO2017000555A1 (en) * | 2014-06-30 | 2017-01-05 | 杭州林东新能源科技股份有限公司 | Modular two-way power generation device using tidal energy |
| CN107834905A (en) * | 2017-12-01 | 2018-03-23 | 浙江海洋大学 | A kind of piezoelectric type marine tidal-current energy energy accumulator |
| CN110131316A (en) * | 2019-05-13 | 2019-08-16 | 江苏九九久科技有限公司 | The method for improving liquid lower bearing service life |
| CN111608844A (en) * | 2020-06-19 | 2020-09-01 | 杭州林黄丁新能源研究院有限公司 | Rolling bearing protection device and its applicable vertical axis tidal current power generation device |
| CN111779763A (en) * | 2020-07-01 | 2020-10-16 | 中车永济电机有限公司 | Axle suspension bush for direct current traction motor |
| CN113236468A (en) * | 2021-04-26 | 2021-08-10 | 浙江富春江水电设备有限公司 | Water guide supporting structure of tubular turbine set |
-
2014
- 2014-06-30 CN CN201420359639.4U patent/CN204082424U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017000555A1 (en) * | 2014-06-30 | 2017-01-05 | 杭州林东新能源科技股份有限公司 | Modular two-way power generation device using tidal energy |
| CN105986951A (en) * | 2015-02-09 | 2016-10-05 | 杭州林东新能源科技股份有限公司 | Sliding bearing and tide generating set provided with same |
| CN107834905A (en) * | 2017-12-01 | 2018-03-23 | 浙江海洋大学 | A kind of piezoelectric type marine tidal-current energy energy accumulator |
| CN107834905B (en) * | 2017-12-01 | 2023-07-11 | 浙江海洋大学 | Piezoelectric type tide energy harvester |
| CN110131316A (en) * | 2019-05-13 | 2019-08-16 | 江苏九九久科技有限公司 | The method for improving liquid lower bearing service life |
| CN111608844A (en) * | 2020-06-19 | 2020-09-01 | 杭州林黄丁新能源研究院有限公司 | Rolling bearing protection device and its applicable vertical axis tidal current power generation device |
| CN111779763A (en) * | 2020-07-01 | 2020-10-16 | 中车永济电机有限公司 | Axle suspension bush for direct current traction motor |
| CN113236468A (en) * | 2021-04-26 | 2021-08-10 | 浙江富春江水电设备有限公司 | Water guide supporting structure of tubular turbine set |
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Inventor after: Lin Dong Inventor after: Gan Min Inventor after: Chen Li Inventor after: Jiang Fang Inventor before: Lin Dong Inventor before: Ding Xingzhe Inventor before: Gan Min Inventor before: Chen Li Inventor before: Jiang Fang |
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Granted publication date: 20150107 |
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