CN210799218U - Water guide mechanism of water turbine - Google Patents
Water guide mechanism of water turbine Download PDFInfo
- Publication number
- CN210799218U CN210799218U CN201921928831.XU CN201921928831U CN210799218U CN 210799218 U CN210799218 U CN 210799218U CN 201921928831 U CN201921928831 U CN 201921928831U CN 210799218 U CN210799218 U CN 210799218U
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- CN
- China
- Prior art keywords
- connecting rod
- guide vane
- water
- sleeve
- top cover
- 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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- 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 water guide mechanism of a water turbine, which comprises a top cover plate, wherein a plurality of through holes are arranged on the top cover plate, a guide vane shaft is inserted in the through holes in a rotating way, the lower end of the guide vane shaft penetrates through the lower end of the top cover plate and is connected with a guide vane, the upper end of the guide vane shaft is rotatably connected with a rotating arm, the end part of the rotating arm is rotatably connected with a movable rod, the end part of the movable rod is sleeved with a first sleeve, a first spring is connected between the inner side of the first sleeve and the movable rod, the end part of the first sleeve is fixedly connected with a positioning plate through a bolt, the positioning plate is vertically fixed on the top surface of the top cover plate, two adjacent rotating arms are connected with an elastic mechanism, the elastic mechanism comprises a first connecting rod and a second connecting rod, the outer side of the first connecting rod and the outer side of the second connecting rod are sleeved with a second sleeve, therefore, the connecting structure of the water distributor is not easy to break, and the service life is long.
Description
Technical Field
The utility model relates to a hydraulic turbine technical field, in particular to water distributor of hydraulic turbine.
Background
The water turbine is a power machine which converts the energy of water flow into rotary mechanical energy, is widely applied to hydropower stations and is used for driving a generator to generate electricity, and in the hydropower stations, water in an upstream reservoir is guided to the water turbine through a water guide pipe to push a water turbine runner to rotate so as to drive the generator to generate electricity. The water flow from the upstream reservoir to the water turbine runner needs to pass through the water distributor and then enters the runner, and the water distributor has the main function of adjusting the flow of the water turbine according to the change of the load of the power system so as to adapt to the requirement of the system on the output of the unit, and forming and changing the water flow circulation amount entering the runner so as to meet the requirement of the water turbine on the water flow circulation amount before entering the runner, and the guide vanes are required to be closed to cut off the water flow when the runner stops working. The opening degree of the guide vane of the water turbine distributor is required to be adjusted according to different working states. In the prior art, the water guide mechanism of the water turbine comprises a guide vane crank arm fixedly connected with a guide vane, the guide vane crank arm is hinged with an adjustable connecting rod, the adjustable connecting rod is hinged with a control ring, and a push-pull rod controlled by an oil cylinder drives the control ring to rotate so as to drive the opening degree of the guide vane to change.
The fixing of the water turbine water distributor is generally fixed with the ground through a base, and the water turbine water distributor fixed with the ground through the base needs to be reinforced by a pull rod for preventing the water turbine water distributor from shaking under the impact of strong water flow, so that the installation is complex; moreover, the weight of the top cover of the water distributor and the guide vane mounting plate is borne by the impeller of the water distributor, and the impeller is required to bear the radial thrust of the rotating device, so that the water distributor of the water turbine is easy to shake under the impact of water flow, so that the pull rod for fixing the water distributor is broken, and the broken pull rod for fixing the water distributor needs to be replaced every two or three months in the actual use process, and the operation is very inconvenient.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a water distributor of a water turbine, which can effectively solve the problems of the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a water guide mechanism of a water turbine comprises a top cover plate, a plurality of through holes are arranged on the top cover plate, a guide vane shaft is rotatably inserted in the through hole, the lower end of the guide vane shaft penetrates through the lower end of the top cover plate and is connected with a guide vane, the upper end of the guide vane shaft is rotatably connected with a rotating arm, the end part of the rotating arm is rotatably connected with a movable rod, a first sleeve is sleeved at the end part of the movable rod, a first spring is connected between the inner side of the first sleeve and the movable rod, the end part of the first sleeve is fixedly connected with a positioning plate through a bolt, the positioning plate is vertically fixed on the top surface of the top cover plate, two adjacent rotating arms are connected with an elastic mechanism, the elastic mechanism comprises a first connecting rod and a second connecting rod, a second sleeve is sleeved outside the first connecting rod and the second connecting rod, and a second spring is connected between the first connecting rod and the second connecting rod on the inner side of the second sleeve.
Preferably, ten through holes and ten guide vane shafts are arranged, and the ten through holes and the guide vane shafts are distributed in an annular mode at equal intervals.
Preferably, one end of each of the first connecting rod and the second connecting rod is rotatably connected with the surface of each of the two adjacent rotating arms.
Preferably, through holes matched with the first connecting rod and the second connecting rod are formed in the two ends of the first sleeve.
Compared with the prior art, the utility model discloses following beneficial effect has: this water distributor of hydraulic turbine, when the stator received the water impact, the stator drives the guide vane axle rotatory, the guide vane axle and then drives the rotor arm rotation at top, the rotor arm alleviates corresponding radial impact force through elastic mechanism after that, elastic mechanism is used for buffering the pressure between head rod and the second connecting rod through the second spring, thereby adjacent rotor arm alleviates the radial impact force that above-mentioned rotor arm received through first spring and the cooperation of first sleeve simultaneously, thereby alleviate the pressure of impeller, ensure that water distributor is difficult for producing under the impact of rivers and rock, thereby make the difficult fracture of connection structure who connects water distributor, long service life.
Drawings
Fig. 1 is a schematic view of the overall structure of a water distributor of a water turbine according to the present invention.
Fig. 2 is a cross-sectional view of the first sleeve of the distributor of the present invention.
Fig. 3 is a profile view of the elastic mechanism of the water distributor of the present invention.
In the figure: 1. a top cover plate; 2. a guide vane shaft; 3. a second spring; 4. a rotating arm; 5. a movable rod; 6. a first sleeve; 7. a first spring; 8. positioning a plate; 9. an elastic mechanism; 10. a first connecting rod; 11. a second connecting rod; 12. a second sleeve.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-3, a water distributor of a water turbine includes a top cover plate 1, the top cover plate 1 is provided with a plurality of through holes, guide vane shafts 2 are rotatably inserted into the through holes, the lower ends of the guide vane shafts 2 penetrate through the lower end of the top cover plate 1 and are connected with guide vanes, the upper ends of the guide vane shafts 2 are rotatably connected with rotating arms 4, the end portions of the rotating arms 4 are rotatably connected with movable rods 5, the end portions of the movable rods 5 are sleeved with first sleeves 6, a first spring 7 is connected between the inner sides of the first sleeves 6 and the movable rods 5, the end portions of the first sleeves 6 are fixedly connected with positioning plates 8 through bolts, the positioning plates 8 are vertically fixed on the top surface of the top cover plate 1, two adjacent rotating arms are connected with elastic mechanisms 9, the elastic mechanisms 9 include first connecting rods 10 and second connecting rods 11, a second sleeve 12 is sleeved on the outer sides of the first connecting rod 10 and the second connecting rod 11, and a second spring 3 is connected between the first connecting rod 10 and the second connecting rod 11 on the inner side of the second sleeve 12.
In this embodiment, preferably, ten through holes and ten guide vane shafts 2 are provided, and the ten through holes and the guide vane shafts 2 are annularly distributed at equal intervals.
In this embodiment, preferably, one end of each of the first connecting rod 10 and the second connecting rod 11 is rotatably connected to the surface of each of the two adjacent rotating arms 4.
In this embodiment, preferably, through holes adapted to the first connecting rod 10 and the second connecting rod 11 are formed at both ends of the first sleeve 6.
It should be noted that, the utility model relates to a water distributor of hydraulic turbine, when using, when the stator received the water impact, the stator drives guide vane axle 2 rotatory, guide vane axle 2 and then the rotor arm 4 that drives the top is rotatory, rotor arm 4 alleviates corresponding radial impact force through elastic mechanism 9 after that, elastic mechanism 9 is used for buffering pressure between head rod 10 and the second connecting rod 11 through second spring 3, thereby adjacent rotor arm 4 alleviates the radial impact force that above-mentioned rotor arm 4 received through first spring 7 and the cooperation of first sleeve 6 simultaneously, thereby alleviate the pressure of impeller, ensure that water distributor is difficult for producing under the impact of rivers and rock, thereby make the connection structure of connecting water distributor difficult fracture, long service life.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a water distributor of hydraulic turbine, includes lamina tecti (1), its characterized in that: the improved structure of the guide vane comprises a top cover plate (1), wherein a plurality of through holes are formed in the top cover plate (1), guide vane shafts (2) are rotatably inserted into the through holes, the lower ends of the guide vane shafts (2) penetrate through the lower end of the top cover plate (1) and are connected with guide vanes, the upper ends of the guide vane shafts (2) are rotatably connected with rotating arms (4), the ends of the rotating arms (4) are rotatably connected with movable rods (5), the end parts of the movable rods (5) are sleeved with first sleeves (6), first springs (7) are connected between the inner sides of the first sleeves (6) and the movable rods (5), the end parts of the first sleeves (6) are fixedly connected with positioning plates (8) through bolts, the positioning plates (8) are vertically fixed on the top surface of the top cover plate (1), two adjacent rotating arms (4) are connected with elastic mechanisms (9), each elastic mechanism (9) comprises a first connecting rod (10) and a second, the outer side of the first connecting rod (10) and the outer side of the second connecting rod (11) are sleeved with a second sleeve (12), and a second spring (3) is connected between the first connecting rod (10) and the second connecting rod (11) on the inner side of the second sleeve (12).
2. The water distributor of a water turbine as claimed in claim 1, wherein: the through holes and the guide vane shafts (2) are ten in number, and the ten through holes and the guide vane shafts (2) are distributed in an annular mode at equal intervals.
3. The water distributor of a water turbine as claimed in claim 1, wherein: one end of each of the first connecting rod (10) and the second connecting rod (11) is respectively in surface rotation connection with the two adjacent rotating arms (4).
4. The water distributor of a water turbine as claimed in claim 1, wherein: and through holes matched with the first connecting rod (10) and the second connecting rod (11) are formed in the two ends of the first sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921928831.XU CN210799218U (en) | 2019-11-11 | 2019-11-11 | Water guide mechanism of water turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921928831.XU CN210799218U (en) | 2019-11-11 | 2019-11-11 | Water guide mechanism of water turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210799218U true CN210799218U (en) | 2020-06-19 |
Family
ID=71228289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921928831.XU Expired - Fee Related CN210799218U (en) | 2019-11-11 | 2019-11-11 | Water guide mechanism of water turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210799218U (en) |
-
2019
- 2019-11-11 CN CN201921928831.XU patent/CN210799218U/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: 20200619 Termination date: 20211111 |