CN113915042A - Guide vane body structure of water turbine and mounting method thereof - Google Patents
Guide vane body structure of water turbine and mounting method thereof Download PDFInfo
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- CN113915042A CN113915042A CN202111072282.2A CN202111072282A CN113915042A CN 113915042 A CN113915042 A CN 113915042A CN 202111072282 A CN202111072282 A CN 202111072282A CN 113915042 A CN113915042 A CN 113915042A
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- Prior art keywords
- guide vane
- rolling
- shaft
- pipe
- water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/16—Stators
- F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
- F03B3/183—Adjustable vanes, e.g. wicket gates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/06—Bearing arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B15/00—Controlling
- F03B15/02—Controlling by varying liquid flow
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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
Abstract
The invention discloses a guide vane body structure of a water turbine and an installation method thereof, and aims to provide a guide vane body structure of a water turbine with blades arranged on controllable guide vanes and an installation method thereof. It includes stator regulator and control tube, the stator regulator is the cylinder, install antifriction bearing one and antifriction bearing two on the stator regulator, antifriction bearing two is arranged in on one of them terminal surface of stator regulator, antifriction bearing one contains a plurality of, a plurality of antifriction bearing evenly distributed is on the side of stator regulator, be equipped with the stator on the antifriction bearing one, the one end of stator is passed through antifriction bearing one and is connected with the stator regulator, the outside of stator regulator is arranged in to the other end of stator, the stator is perpendicular with the side of stator regulator, the blade is installed to the symmetry on the lateral surface of stator, the control tube passes through antifriction bearing two and is connected with the stator regulator. The invention has the beneficial effects that: the purpose of arranging blades on the guide vanes can be achieved; the protective effect of the blade can be realized.
Description
Technical Field
The invention relates to the technical field of guide vane bodies, in particular to a guide vane body structure of a water turbine and an installation method thereof.
Background
The hydraulic turbine is a power machine for converting the energy of water flow into rotary mechanical energy, and belongs to the turbine machinery in fluid machinery. As early as 100 years before the Yuan, China has developed a rudiment of a water turbine, namely a water wheel, which is used for pumping irrigation and driving grain processing equipment. Modern water turbines are mostly installed in hydropower stations and are used for driving generators to generate electricity. In a hydropower station, water in an upstream reservoir is guided to a water turbine through a water guide pipe to push a water turbine runner to rotate so as to drive a generator to generate electricity. The water after doing work is discharged to the downstream through the tail water pipeline. The higher the water head and the larger the flow, the larger the output power of the water turbine is.
The guide vane body is a rotary energy device of the centrifugal pump and is used for collecting liquid thrown out by the impeller, reducing the flow velocity of the liquid, converting partial velocity energy head into pressure energy head, and then uniformly introducing the pressure energy head into the next stage or discharging the pressure energy head through the diffusion pipe. The guide vane body is used as a flow guide device of the water turbine, and the importance of the guide vane body is self-evident.
The guide vane body structure of the current water turbine generally selects a sheet mode for guide vanes for guide vane body flow guiding, and the guide vanes are easy to damage by controlling the size of a flow channel of liquid through the rotation of the guide vane body, and the damaged guide vanes need to be replaced to be practical and very inconvenient.
Disclosure of Invention
The invention provides a guide vane body structure of a water turbine with blades arranged on controllable guide vanes and an installation method thereof, aiming at overcoming the defect that the guide vanes in a sheet mode are selected in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a hydraulic turbine guide vane body structure, includes stator regulator and control tube, the stator regulator is the cylinder, install antifriction bearing one and antifriction bearing two on the stator regulator, antifriction bearing two is arranged in on one of them terminal surface of stator regulator, antifriction bearing one contains a plurality of, a plurality of antifriction bearing evenly distributed on the side of stator regulator, be equipped with the stator on the antifriction bearing one, the one end of stator is passed through antifriction bearing one and is connected with the stator regulator, the outside of stator regulator is arranged in to the other end of stator, the stator is perpendicular with the side of stator regulator, the blade is installed to the symmetry on the lateral surface of stator, the control tube passes through antifriction bearing two and is connected with the stator regulator.
The guide vane connected with the guide vane adjuster through the rolling bearing can be opened to roll under the adjusting action of the guide vane adjuster, a plurality of blades are symmetrically arranged on the outer side surface of the guide vane and the outer end of the guide vane at the position, so that the blades can change states under the rolling work of the guide vane to control the size of a flow channel of liquid, and the purpose of installing the blades on the guide vane is achieved. The guide vane regulator is connected with the regulating pipe through the second rolling bearing, the regulating pipe is controlled to enable the guide vane regulator to smoothly rotate the guide vane, and the guide vane body structure damages the main blade and damages the blade when liquid flows, so that the guide vane regulator is simple and practical when being detached and re-installed on the guide vane.
Preferably, the rolling bearing comprises an inner ring and an outer ring, a plurality of balls I are installed between the inner ring and the outer ring, the outer ring is connected with the inner ring through the balls I, the outer ring is connected with the guide vane adjuster, the guide vane is perpendicularly connected with one end face of the inner ring, a rolling shaft I is installed on the other end face of the inner ring, the rolling shaft I comprises a plurality of rolling shafts, the rolling shafts are evenly distributed on the other end face of the inner ring, a rolling shaft II is arranged in the guide vane adjuster, the rolling shaft I is parallel to the rolling shaft II, the inner ring is connected with the rolling shaft II through the rolling shaft I, and the other end of the rolling shaft II is connected with the adjusting pipe. The outer ring of the rolling bearing I can be connected with the guide vane adjuster, one end face of the inner ring of the rolling bearing I is connected with the guide vane vertically, the other end face of the inner ring can be provided with the rolling shaft I, the inner ring can be connected with the outer edge of one end of the rolling shaft II in the guide vane adjuster through the rolling shaft I, the rolling shaft I can be driven to roll when the rolling shaft II in the guide vane adjuster rolls, and the rolling shaft I rolls smoothly under the supporting effect of the rolling bearing I.
Preferably, a first gear is mounted on the first rolling shaft, a second gear is mounted at one end of the second rolling shaft, and the first gear is meshed with the second gear. The design is that the first gear on the first rolling shaft and the second gear which is arranged at one end of the second rolling shaft and meshed with the first gear can drive the first rolling shaft to rotate when the second rolling shaft rotates.
Preferably, the other end of the rolling shaft II is provided with a gear III, the side surface of the adjusting pipe is connected with a plurality of movable shafts which are uniformly distributed, the rolling shaft II is perpendicular to the adjusting pipe, and the gear III is meshed with the movable shafts. The gear III arranged at the other end of the rolling shaft II and the movable shaft on the adjusting pipe meshed with the gear III are designed to drive the rolling shaft II to rotate when the adjusting pipe rotates.
As preferred, still include the flowing water pipe, be equipped with water inlet and delivery port on the flowing water pipe, the flowing water pipe is arranged in to the stator regulator, be equipped with antifriction bearing three on another terminal surface of stator regulator, antifriction bearing three outer lane is connected with the stator regulator, circle in antifriction bearing three and install the pivot, evenly install a plurality of flabellum in the pivot, the outside of flowing water pipe is arranged in to the pipe wall that the flowing water pipe was passed to the one end of regulating pipe, the inside of stator regulator is arranged in to the other end of regulating pipe, the loose axle is arranged in on the inside regulating pipe of stator regulator. In the design, liquid can be injected through the water inlet of the water flowing pipe, the liquid can be discharged through the water outlet of the water flowing pipe after passing through the water flowing pipe, one end of the adjusting pipe on the guide vane adjuster in the water flowing pipe passes through the pipe wall of the water flowing pipe and is arranged outside the water flowing pipe, the other end of the adjusting pipe is arranged inside the guide vane adjuster through the inner bearing ring of the rolling bearing II, thus, the end part of the adjusting pipe arranged outside the water flowing pipe is well connected with the motor, the motor drives the adjusting pipe to rotate, and the bearing inner ring of the second rolling bearing rotates under the rotation effect of the adjusting pipe, so that the flow guide work of the guide vane adjuster is convenient to control, the bearing outer ring of the second rolling bearing is sleeved on the end surface of the guide vane adjuster, the other end surface of the guide vane adjuster is provided with a third rolling bearing, the inner ring of the third rolling bearing is provided with a rotating shaft, the rotating shaft is uniformly provided with a plurality of fan blades, and thus, flowing water after the flow guide work of the guide vane adjuster impacts the fan blades in a following manner.
Preferably, a plurality of rolling bearings are uniformly distributed on the rotating shaft, the outer rings of the rolling bearings are connected with the rotating shaft, the inner rings of the rolling bearings are connected with the fan blade shaft, two fan blades are arranged on the fan blade shaft and are distributed in a central symmetry mode by taking the fan blade shaft as the center, each fan blade comprises a transverse plate and a folded plate, the connecting position of the transverse plate and the folded plate is an obtuse angle alpha, and the transverse plate is connected with the outer side face of the fan blade shaft. The design lets the flabellum axle that the flabellum is connected rotate under antifriction bearing four's supporting effect through the flabellum receives water impact like this, the flabellum includes diaphragm and folded plate, the diaphragm is connected with the lateral surface of flabellum axle and the junction of diaphragm and folded plate is obtuse angle alpha, water impact just lets the leaf axle atress rotate on the diaphragm with on the folded plate, the rivers that impact on the folded plate can flow through the diaphragm in the same trend after that, the leaf axle passes through antifriction bearing four and is connected with the pivot, the impact that diaphragm and folded plate received just lets the leaf axle atress drive the pivot and rotate, be connected because of diaphragm and the lateral surface of leaf axle, the water impact that the diaphragm received is greater than the water impact that the folded plate received the rotation effect of pivot to the rotation effect of pivot.
Preferably, a hollow pipe is sleeved outside the adjusting pipe, penetrates through the pipe wall of the water flowing pipe and is connected with the outer ring of the rolling bearing II, and the hollow pipe is connected with the pipe wall of the water flowing pipe. The hollow pipe can be sleeved on the adjusting pipe in the design, and the pipe wall of the hollow pipe capable of flowing through the water pipe is connected with the inner bearing ring of the rolling bearing II.
Preferably, the joint of the hollow pipe and the water flowing pipe is provided with a sealing filler, and the hollow pipe is connected with the water flowing pipe in a sealing way through the sealing filler. The sealing effect of the hollow pipe can be ensured through the sealing filler at the joint of the hollow pipe and the water flowing pipe.
Preferably, the blade is provided with a protective layer, the protective layer is sleeved on the outer side face of the blade, and a connecting strip is arranged at the connecting position of the protective layer and the outer side face of the guide vane. The protective layer of suit on the lateral surface of blade can play the guard action to the blade like this, and the connecting strip of the junction of protective layer and stator lateral surface not only plays the effect of the junction of protective layer and stator lateral surface, has still strengthened the connection effect of protective layer and stator lateral surface.
The invention also provides an installation method of the guide vane body structure of the water turbine, which specifically comprises the following steps:
the method comprises the following steps: two blades are connected to the outer side surface of the guide vane, the two blades are respectively distributed on the left side and the right side of the guide vane, then a protective layer is sleeved on the outer side surface of each blade, and a connecting strip is welded at the connecting position of the protective layer and the outer side surface of the guide vane;
step two: the guide vane is vertically connected to one end face of the circumference of an inner ring of a rolling bearing, the other end face of the circumference of the inner ring of the rolling bearing is connected with a plurality of first rolling shafts, the plurality of first rolling shafts are uniformly distributed, a first gear is installed on the first rolling shaft, a second rolling shaft is installed in the guide vane adjuster, a second gear is installed on one end of the second rolling shaft, a third gear is installed at the other end of the second rolling shaft, the plurality of first rolling shafts are meshed with the second gear on the outer edge of the rolling shaft through the first gear, and then the outer ring of the first rolling shaft is connected with the side face of the guide vane adjuster;
step three: inserting a plurality of movable shafts on the guide vane adjuster, enabling the movable shafts to be uniformly connected to the side faces of the adjusting pipes, enabling the movable shafts to be meshed with the third gear, then installing an outer ring of a second rolling bearing on one end face of the guide vane adjuster, sleeving the guide vane adjuster in the water pipe, installing the other end face of the guide vane adjuster and the outer ring of the third rolling bearing, installing a rotating shaft on the end face of an inner ring of the third rolling bearing, uniformly installing a plurality of fan blades on the rotating shaft, sleeving a hollow pipe on the adjusting pipe, and enabling the hollow pipe to penetrate through the pipe wall of the water pipe to be connected with the outer ring of the second rolling bearing;
step four: the flowing water is poured into the flowing water pipe through the water inlet, the flowing water can touch the blades, the first gear on the first rolling shaft is matched with the second gear on one end of the second rolling shaft, and the third gear on the other end of the second rolling shaft is matched with the movable shaft, so that the blades are impacted by the flowing water to play a role in limiting the flow, and the water flow is controlled;
step five: the flowing water continuously flows downwards after impacting the blades and impacts the fan blades on the fan blade shaft, the fan blades are symmetrically distributed by taking the fan blade shaft as the center, the fan blades comprise transverse plates and folded plates, the connecting parts of the transverse plates and the folded plates form obtuse angles alpha, the transverse plates are connected with the outer side faces of the fan blade shaft, the flowing water can impact the transverse plates and the folded plates, the transverse plates and the folded plates are influenced by the impact force and can drive the fan blade shaft to rotate, the fan blade shaft is connected with the rotating shaft through a rolling bearing, and the water flow impact force of the transverse plates enables the fan blade shaft to be stressed to drive the rotating shaft to rotate.
The invention has the beneficial effects that: the purpose of arranging blades on the guide vanes can be achieved; the protective effect of the blade can be realized.
Drawings
FIG. 1 is a general layout of a vane regulator of the present invention;
FIG. 2 is a structural layout of the vane regulator of the present invention;
FIG. 3 is a general layout of the present invention;
FIG. 4 is a schematic structural view taken along line A in FIG. 3;
FIG. 5 is a schematic view of the connection of the first scroll shaft and the second scroll shaft of the present invention;
fig. 6 is a schematic view of the connection of gear three and the movable shaft of the invention.
In the figure: 1. the guide vane adjuster comprises a guide vane adjuster 2, guide vanes 3, blades 4, a first rolling bearing 5, a second rolling bearing 6, an adjusting pipe 7, sealing filler 8, a water inlet 9, a water outlet 10, a rotating shaft 11, an outer ring 12, an inner ring 13, a first rolling shaft 14, a first gear 15, a second rolling shaft 16, a second gear 17, a third gear 18, a movable shaft 19, a hollow pipe 20, a protective layer 21, a connecting strip 22, a first ball 23, a water flowing pipe 24, a third rolling bearing 25, a transverse plate 26, a fourth rolling bearing 27, a fan blade shaft 28 and a folded plate.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
In the embodiment shown in fig. 1 to 3, a water turbine guide vane structure includes a guide vane regulator 1 and a regulating pipe 6, the guide vane regulator 1 is a cylinder, a first rolling bearing 4 and a second rolling bearing 5 are installed on the guide vane regulator 1, the second rolling bearing 5 is disposed on one end surface of the guide vane regulator 1, the first rolling bearing 4 includes a plurality of rolling bearings 4, the first rolling bearings 4 are uniformly distributed on the side surface of the guide vane regulator 1, a guide vane 2 is installed on the first rolling bearing 4, one end of the guide vane 2 is connected with the guide vane regulator 1 through the first rolling bearing 4, the other end of the guide vane 2 is disposed outside the guide vane regulator 1, the guide vane 2 is perpendicular to the side surface of the guide vane regulator 1, blades 3 are symmetrically installed on the outer side surface of the guide vane 2, and the regulating pipe 6 is connected with the guide vane regulator 1 through the second rolling bearing 5.
As shown in fig. 2, 5 and 6, the rolling bearing i 4 includes an inner ring 12 and an outer ring 11, a plurality of balls i 22 are installed between the inner ring 12 and the outer ring 11, the outer ring 11 is connected with the inner ring 12 through the balls i 22, the outer ring 11 is connected with the vane adjuster 1, the vane 2 is vertically connected with one end surface of the inner ring 12, a rolling shaft i 13 is installed on the other end surface of the inner ring 12, the rolling shaft i 13 includes a plurality of rolling shafts i 13, the plurality of rolling shafts i 13 are uniformly distributed on the other end surface of the inner ring 12, a rolling shaft ii 15 is arranged in the vane adjuster 1, the rolling shaft i 13 is parallel to the rolling shaft ii 15, the inner ring 12 is connected with the rolling shaft ii 15 through the rolling shaft i 13, and the other end of the rolling shaft ii 15 is connected with the adjusting pipe 6. The first rolling shaft 13 is provided with a first gear 14, one end of the second rolling shaft 15 is provided with a second gear 16, and the first gear 14 is meshed with the second gear 16. The other end of the rolling shaft II 15 is provided with a gear III 17, the side surface of the adjusting pipe 6 is connected with a plurality of movable shafts 18 which are uniformly distributed, the rolling shaft II 15 is vertical to the adjusting pipe 6, and the gear III 17 is meshed with the movable shafts 18.
As shown in fig. 3 and 4, the guide vane regulator further comprises a water flowing pipe 23, the water flowing pipe 23 is provided with a water inlet 8 and a water outlet 9, the guide vane regulator 1 is arranged in the water flowing pipe 23, the other end surface of the guide vane regulator 1 is provided with a rolling bearing three 24, an outer ring of the rolling bearing three 24 is connected with the guide vane regulator 1, an inner ring of the rolling bearing three 24 is provided with a rotating shaft 10, the rotating shaft 10 is uniformly provided with a plurality of fan blades 25, one end of the adjusting pipe 6 penetrates through the pipe wall of the water flowing pipe 23 and is arranged outside the water flowing pipe 23, the other end of the adjusting pipe 6 is arranged inside the guide vane regulator 1, and the movable shaft 18 is arranged on the adjusting pipe 6 inside the guide vane regulator 1. A plurality of rolling bearings 26 are uniformly distributed on the rotating shaft 10, the outer rings of the rolling bearings 26 are connected with the rotating shaft 10, the inner rings of the rolling bearings 26 are connected with a fan blade shaft 27, two fan blades are arranged on the fan blade shaft 27 and are distributed in a central symmetry mode by taking the fan blade shaft 27 as a center, each fan blade comprises a transverse plate 25 and a folded plate 28, the connecting position of the transverse plate 25 and the folded plate 28 is an obtuse angle alpha, and the transverse plate 25 is connected with the outer side face of the fan blade shaft 27. The outer side of the adjusting pipe 6 is sleeved with a hollow pipe 19, the hollow pipe 19 penetrates through the pipe wall of the water flowing pipe 23 to be connected with the outer ring of the rolling bearing II 5, and the hollow pipe 19 is connected with the pipe wall of the water flowing pipe 23. The joint of the hollow pipe 19 and the water flowing pipe 23 is provided with a sealing filler 7, and the hollow pipe 19 is connected with the water flowing pipe 23 in a sealing way through the sealing filler 7.
As shown in fig. 1 and 2, a protective layer 20 is provided on the blade 3, the protective layer 20 is sleeved on the outer side surface of the blade 3, and a connecting strip 21 is provided at the joint of the protective layer 20 and the outer side surface of the guide vane 2.
The invention also provides an installation method of the guide vane body structure of the water turbine, which specifically comprises the following steps:
the method comprises the following steps: two blades 3 are connected to the outer side surface of the guide vane 2, the two blades 3 are respectively distributed on the left side and the right side of the guide vane 2, then a protective layer 20 is sleeved on the outer side surface of each blade 3, and a connecting strip 21 is welded at the connecting position of the protective layer 20 and the outer side surface of the guide vane 2;
the method specifically comprises the following steps: two blades 3 are connected on the left side and the right side of the outer side face of the guide vane 2, and the blades 3 and the guide vane 2 can be connected through screws, so that the connection is firm, and the installation and the disassembly are convenient. Then protective layer 20 is sleeved on the outer side face of blade 3, after the protective layer is sleeved, connecting strip 21 is welded at the joint of protective layer 20 and the outer side face of guide vane 2, so that protective layer 20 can protect blade 3, damage to blade 3 caused by external impact is avoided, the connecting effect of protective layer 20 and the outer side face of guide vane 2 is enhanced, the upper end and the lower end of connecting strip 21 are respectively arranged at the upper end and the lower end of protective layer 20, and the whole edge of protective layer 20 connected with guide vane 2 is welded by connecting strip 21.
Step two: the guide vane 2 is vertically connected to one end face of the circumference of an inner ring 12 of a first rolling bearing 4, the other end face of the circumference of the inner ring 12 of the first rolling bearing 4 is connected with a plurality of first rolling shafts 13, the plurality of first rolling shafts 13 are uniformly distributed, a first gear 14 is installed on each first rolling shaft 13, a second rolling shaft 15 is installed in the guide vane adjuster 1, a second gear 16 is installed at one end of each second rolling shaft 15, a third gear 17 is installed at the other end of each second rolling shaft 15, the plurality of first rolling shafts 13 are meshed with the second gear 16 on the outer edge of the second rolling shaft 15 through the first gears 14, and then an outer ring 11 of the first rolling bearing 4 is connected with the side face of the guide vane adjuster 1;
the method specifically comprises the following steps: the lower end of the guide vane 2 is vertically connected with one end of the circumference of an inner ring 12 of a rolling bearing I4 on the guide vane regulator 1, the other end of the circumference of the inner ring 12 of the rolling bearing I4 is connected with a plurality of rolling shafts I13, a first gear 14 is arranged on the first rolling shaft 13, a second rolling shaft 15 is arranged in the vane regulator 1, a second gear 16 is arranged at one end of the second rolling shaft 15, a third gear 17 is arranged at the other end of the second rolling shaft 15, a plurality of first rolling shafts 13 are not only arranged at the outer edge of one end of the second rolling shaft 15 but also are meshed with the second gear 16 through the first gear 14 and connected with the second rolling shaft 15, then, the outer ring 11 of the rolling bearing I4 is welded with the guide vane adjuster 1, so that when the rolling shaft II 15 rotates, the first gear 14, which is engaged by the second gear 16, causes the first rolling shaft 13 to rotate, so that the inner ring 12 is also rotated, and the inner ring 12 rotates while the outer ring 11 is supported by the vane adjuster 1.
Step three: inserting a plurality of movable shafts 18 on the guide vane regulator 1 to enable the movable shafts 18 to be uniformly connected to the side face of the regulating pipe 6, wherein the movable shafts 18 are meshed with the third gear 17, then installing an outer ring of a second rolling bearing 5 on one end face of the guide vane regulator 1, sleeving the guide vane regulator 1 in the water flowing pipe 23, installing the other end face of the guide vane regulator 1 and the outer ring of the third rolling bearing 24, installing a rotating shaft 10 on the end face of an inner ring of the third rolling bearing 24, uniformly installing a plurality of fan blades on the rotating shaft 10, sleeving a hollow pipe 19 on the regulating pipe 6, and connecting the hollow pipe 19 with the outer ring of the second rolling bearing 5 through the pipe wall of the water flowing pipe 23;
the method specifically comprises the following steps: a plurality of movable shafts 18 are inserted from the guide vane regulator 1, the movable shafts 18 are uniformly connected to the side surface of the regulating pipe 6, the side surface of the regulating pipe 6 can be provided with threads, the end part of the movable shaft 18 can be arranged on the threads matched with the threads of the regulating pipe 6, the movable shaft 18 is connected with the regulating pipe 6 through threaded connection, when the movable shaft 18 is connected, the movable shaft 18 enters the guide vane regulator 1 and is meshed with the gear III 17, then an outer ring of the rolling bearing II 5 is sleeved on one end surface of the guide vane regulator 1, the rolling bearing II 5 is supported by the guide vane regulator 1 to stably work, then the guide vane regulator 1 is sleeved in the water flow pipe 23, an opening is drilled on the water flow pipe 23, the position of the rolling bearing II 5 on the guide vane regulator 1 is vertically corresponding to the position of the opening, one end of the regulating pipe 6 penetrates through the pipe wall of the water flow pipe 23 and is arranged outside the water flow pipe 23, the outer side of the adjusting pipe 6 can be sleeved with the inside of a hollow pipe 19, the hollow pipe 19 is connected with the outer ring of the rolling bearing II 5, and then the joint of the hollow pipe 19 and the water flowing pipe 23 can be filled with a sealing filler 7, so that the air tightness of the water flowing pipe 23 is ensured.
Step four: flowing water is poured into the flowing water pipe 23 through the water inlet 8, the flowing water touches the blades 3, the first gear 14 on the first rolling shaft 13 of the flowing water is matched with the second gear 16 on one end of the second rolling shaft 15, the third gear 17 on the other end of the second rolling shaft 15 is matched with the movable shaft 18, so that the blades 3 are impacted by the flowing water to play a role in limiting the flow, and the water flow is controlled;
the method specifically comprises the following steps: the flowing water is poured into the flowing water pipe 23 from the water inlet 8, the flowing water is guided by the flowing water pipe 23 to touch the blade 3 on the guide vane 2 in the flowing water pipe 23, the flowing water at the position can be matched with the gear II 16 on one end of the rolling shaft II 15 through the gear I14 on the rolling shaft I13, and the gear III 17 on the other end of the rolling shaft II 15 is matched with the movable shaft 18 to enable the blade 3 to be impacted by the flowing water to achieve the effect of flow limiting, so that the water flow is controlled.
Step five: flowing water impacts the blades 3 and then flows downwards to impact the fan blades on the fan blade shaft 27, the fan blades are symmetrically distributed by taking the fan blade shaft 27 as a center, the fan blades comprise a transverse plate 25 and a folded plate 28, the connecting part of the transverse plate 25 and the folded plate 28 is an obtuse angle alpha, the transverse plate 25 is connected with the outer side face of the fan blade shaft 27, the flowing water can impact the transverse plate 25 and the folded plate 28, the transverse plate 25 and the folded plate 28 can drive the fan blade shaft 27 to rotate under the influence of impact force, the fan blade shaft 27 is connected with the rotating shaft 10 through a rolling bearing four 26, and the water flow impact force of the transverse plate 25 enables the fan blade shaft 27 to be stressed to drive the rotating shaft 10 to rotate.
The method specifically comprises the following steps: the flowing water can continuously flow downwards after impacting the blades 3, a rotating shaft 10 is arranged below the blades 3, a plurality of rolling bearings four 26 are distributed on the rotating shaft 10, fan blade shafts 27 are arranged on inner rings of the rolling bearings four 26, fan blades are symmetrically distributed on the outer side surfaces of the fan blade shafts 27, the fan blades comprise transverse plates 25 and folded plates 28, the transverse plates 25 are connected with the outer side surfaces of the fan blade shafts 27, the connecting positions of the transverse plates 25 and the folded plates 28 form obtuse angles alpha, the flowing water can directly impact the transverse plates 25 and the folded plates 28, the transverse plates 25 and the folded plates 28 are impacted by the flowing water to drive the fan blade shafts 27 to open and rotate, meanwhile, the fan blade shafts 27 are connected with the rotating shaft 10 through the rolling bearings four 26, the fan blade shafts 27 are affected by the impact force on the transverse plates 25 and the folded plates 28 to drive the rotating shaft 10 to rotate, and the transverse plates 25 are connected with the outer side surfaces of the fan blade shafts 27, the rotating effect of the water impact on the rotating shaft 10 by the transverse plates 25 is greater than that the water impact on the folded plates 28, the water flowing through the flap 28 will then flow through the transverse plate 25 to which the flap 28 is attached.
At first connect two blades 3 on the left and right sides on the lateral surface of stator 2, but blade 3 and stator 2 optional screwed connection, not only firm in connection but also convenient to assemble and dismantle. Then protective layer 20 is sleeved on the outer side face of blade 3, after the protective layer is sleeved, connecting strip 21 is welded at the joint of protective layer 20 and the outer side face of guide vane 2, so that protective layer 20 can protect blade 3, damage to blade 3 caused by external impact is avoided, the connecting effect of protective layer 20 and the outer side face of guide vane 2 is enhanced, the upper end and the lower end of connecting strip 21 are respectively arranged at the upper end and the lower end of protective layer 20, and the whole edge of protective layer 20 connected with guide vane 2 is welded by connecting strip 21. Then the lower end of the guide vane 2 is vertically connected to one end of the circumference of an inner ring 12 of a rolling bearing I4 on the guide vane regulator 1, the other end of the circumference of the inner ring 12 of the rolling bearing I4 is connected with a plurality of rolling shafts I13, a first gear 14 is arranged on the first rolling shaft 13, a second rolling shaft 15 is arranged in the vane regulator 1, a second gear 16 is arranged at one end of the second rolling shaft 15, a third gear 17 is arranged at the other end of the second rolling shaft 15, a plurality of first rolling shafts 13 are not only arranged at the outer edge of one end of the second rolling shaft 15 but also are meshed with the second gear 16 through the first gear 14 and connected with the second rolling shaft 15, then, the outer ring 11 of the rolling bearing I4 is welded with the guide vane adjuster 1, so that when the rolling shaft II 15 rotates, the first gear 14, which is engaged by the second gear 16, causes the first rolling shaft 13 to rotate, so that the inner ring 12 is also rotated, and the inner ring 12 rotates while the outer ring 11 is supported by the vane adjuster 1.
Then a plurality of movable shafts 18 are inserted from the guide vane regulator 1, the movable shafts 18 are uniformly connected to the side surface of the regulating pipe 6, the side surface of the regulating pipe 6 can be provided with threads, the end part of the movable shaft 18 can be arranged on the threads matched with the threads of the regulating pipe 6, the movable shaft 18 is connected with the regulating pipe 6 through threaded connection, when the movable shaft 18 is connected, the movable shaft 18 enters the guide vane regulator 1 and is meshed with a gear III 17, then an outer ring of a rolling bearing II 5 is sleeved on one end surface of the guide vane regulator 1, the rolling bearing II 5 is supported by the guide vane regulator 1 to stably work, then the guide vane regulator 1 is sleeved in the water flow pipe 23, an opening is arranged on the water flow pipe 23, the position of the rolling bearing II 5 on the guide vane regulator 1 corresponds to the position of the opening up and down, one end of the regulating pipe 6 penetrates through the pipe wall of the water flow pipe 23 and is arranged outside the water flow pipe 23, the outer side of the adjusting pipe 6 can be sleeved with the inside of a hollow pipe 19, the hollow pipe 19 is connected with the outer ring of the rolling bearing II 5, and then the joint of the hollow pipe 19 and the water flowing pipe 23 can be filled with a sealing filler 7, so that the air tightness of the water flowing pipe 23 is ensured.
Then, flowing water is poured into the flowing water pipe 23 through the water inlet 8, the flowing water touches the blades 3, the first gear 14 on the first rolling shaft 13 of the flowing water is matched with the second gear 16 on one end of the second rolling shaft 15, the third gear 17 on the other end of the second rolling shaft 15 is matched with the movable shaft 18, so that the blades 3 are impacted by the flowing water to achieve the effect of flow limitation, and the water flow is controlled. The flowing water can continuously flow downwards after impacting the blades 3, a rotating shaft 10 is arranged below the blades 3, a plurality of rolling bearings four 26 are distributed on the rotating shaft 10, fan blade shafts 27 are arranged on inner rings of the rolling bearings four 26, fan blades are symmetrically distributed on the outer side surfaces of the fan blade shafts 27, the fan blades comprise transverse plates 25 and folded plates 28, the transverse plates 25 are connected with the outer side surfaces of the fan blade shafts 27, the connecting positions of the transverse plates 25 and the folded plates 28 form obtuse angles alpha, the flowing water can directly impact the transverse plates 25 and the folded plates 28, the transverse plates 25 and the folded plates 28 are impacted by the flowing water to drive the fan blade shafts 27 to open and rotate, meanwhile, the fan blade shafts 27 are connected with the rotating shaft 10 through the rolling bearings four 26, the fan blade shafts 27 are affected by the impact force on the transverse plates 25 and the folded plates 28 to drive the rotating shaft 10 to rotate, and the transverse plates 25 are connected with the outer side surfaces of the fan blade shafts 27, the rotating effect of the water impact on the rotating shaft 10 by the transverse plates 25 is greater than that the water impact on the folded plates 28, the water flowing through the flap 28 will then flow through the transverse plate 25 to which the flap 28 is attached.
The protective layer 20 and the connecting strip 21 on the guide vane body structure of the water turbine can be made of stainless steel, so that the guide vane body structure is firm and durable, and is not easy to rust in a liquid environment, and the sealing filler 7 can be made of rubber, so that the guide vane body structure is convenient to connect, does not rust and is durable.
Claims (10)
1. The utility model provides a hydraulic turbine guide vane body structure, characterized by includes stator regulator (1) and governing pipe (6), stator regulator (1) is the cylinder, install antifriction bearing (4) and antifriction bearing two (5) on stator regulator (1), antifriction bearing two (5) are arranged in on one of them terminal surface of stator regulator (1), antifriction bearing (4) contain a plurality of, a plurality of antifriction bearing (4) evenly distributed is on the side of stator regulator (1), be equipped with stator (2) on antifriction bearing (4), the one end of stator (2) is passed through antifriction bearing (4) and is connected with stator regulator (1), the outside of stator regulator (1) is arranged in to the other end of stator (2), stator (2) are perpendicular with the side of stator regulator (1), blade (3) are installed to the symmetry on the lateral surface of stator (2), the adjusting pipe (6) is connected with the guide vane adjuster (1) through a rolling bearing II (5).
2. The water turbine guide vane body structure is characterized in that the rolling bearing I (4) comprises an inner ring (12) and an outer ring (11), a plurality of rolling balls I (22) are installed between the inner ring (12) and the outer ring (11), the outer ring (11) is connected with the inner ring (12) through the rolling balls I (22), the outer ring (11) is connected with the guide vane adjuster (1), the guide vane (2) is vertically connected with one end face of the inner ring (12), a rolling shaft I (13) is installed on the other end face of the inner ring (12), the rolling shaft I (13) comprises a plurality of rolling shafts I (13) which are uniformly distributed on the other end face of the inner ring (12), a rolling shaft II (15) is arranged in the guide vane adjuster (1), the rolling shaft I (13) is parallel to the rolling shaft II (15), and the inner ring (12) is connected with the rolling shaft II (15) through the rolling shaft I (13), the other end of the second rolling shaft (15) is connected with the adjusting pipe (6).
3. The water turbine guide vane structure as claimed in claim 2, wherein a first gear (14) is mounted on the first rolling shaft (13), a second gear (16) is mounted on one end of the second rolling shaft (15), and the first gear (14) is meshed with the second gear (16).
4. The water turbine guide vane body structure is characterized in that a gear wheel III (17) is installed at the other end of the rolling shaft II (15), a plurality of movable shafts (18) which are uniformly distributed are connected to the side face of the adjusting pipe (6), the rolling shaft II (15) is perpendicular to the adjusting pipe (6), and the gear wheel III (17) is meshed with the movable shafts (18).
5. The water turbine guide vane structure according to claim 1, further comprising a water flow pipe (23), the water flowing pipe (23) is provided with a water inlet (8) and a water outlet (9), the guide vane regulator (1) is arranged in the water flowing pipe (23), a rolling bearing III (24) is arranged on the other end surface of the guide vane regulator (1), the outer ring of the rolling bearing III (24) is connected with the guide vane regulator (1), the inner ring of the rolling bearing III (24) is provided with a rotating shaft (10), a plurality of fan blades (25) are uniformly arranged on the rotating shaft (10), one end of the adjusting pipe (6) penetrates through the pipe wall of the water flowing pipe (23) and is arranged outside the water flowing pipe (23), the other end of the adjusting pipe (6) is arranged in the guide vane adjuster (1), the movable shaft (18) is arranged on the adjusting pipe (6) in the guide vane adjuster (1).
6. The water turbine guide vane structure of claim 5, wherein a plurality of rolling bearings (26) are uniformly distributed on the rotating shaft (10), the outer ring of each rolling bearing (26) is connected with the rotating shaft (10), the inner ring of each rolling bearing (26) is connected with a vane shaft (27), two vanes are arranged on each vane shaft (27), the two vanes are centrosymmetrically distributed by taking the vane shaft (27) as the center, each vane comprises a transverse plate (25) and a folded plate (28), the connecting position of the transverse plate (25) and the folded plate (28) is an obtuse angle alpha, and the transverse plate (25) is connected with the outer side face of the vane shaft (27).
7. The water turbine guide vane structure according to claim 5, wherein a hollow pipe (19) is sleeved outside the adjusting pipe (6), the hollow pipe (19) penetrates through the pipe wall of the water flowing pipe (23) to be connected with the outer ring of the rolling bearing II (5), and the hollow pipe (19) is connected with the pipe wall of the water flowing pipe (23).
8. The water turbine guide vane structure according to claim 7, wherein a sealing filler (7) is arranged at the joint of the hollow pipe (19) and the water flowing pipe (23), and the hollow pipe (19) is connected with the water flowing pipe (23) in a sealing manner through the sealing filler (7).
9. The water turbine guide vane body structure according to claim 1, wherein a protective layer (20) is arranged on the blade (3), the protective layer (20) is sleeved on the outer side face of the blade (3), and a connecting strip (21) is arranged at the joint of the protective layer (20) and the outer side face of the guide vane (2).
10. A method for installing a guide vane body structure of a water turbine is characterized by comprising the following steps:
the method comprises the following steps: two blades (3) are connected to the outer side face of the guide vane (2), the two blades (3) are respectively distributed on the left side and the right side of the guide vane (2), then a protective layer (20) is sleeved on the outer side face of each blade (3), and a connecting strip (21) is welded at the connecting position of the protective layer (20) and the outer side face of the guide vane (2);
step two: the guide vane adjusting device is characterized in that a guide vane (2) is vertically connected to one end face of the circumference of an inner ring (12) of a first rolling bearing (4), the other end face of the circumference of the inner ring (12) of the first rolling bearing (4) is connected with a plurality of first rolling shafts (13), the plurality of first rolling shafts (13) are uniformly distributed, a first gear (14) is installed on the first rolling shaft (13), a second rolling shaft (15) is installed in a guide vane adjuster (1), a second gear (16) is installed at one end of the second rolling shaft (15), a third gear (17) is installed at the other end of the second rolling shaft (15), the plurality of first rolling shafts (13) are meshed with the second gear (16) on the outer edge of the second rolling shaft (15) through the first gear (14), and then the outer ring (11) of the first rolling bearing (4) is connected with the side face of the guide vane adjuster (1);
step three: a plurality of movable shafts (18) are inserted into the guide vane regulator (1), the movable shafts (18) are uniformly connected to the side faces of the regulating pipes (6), the movable shafts (18) are meshed with the third gear (17), then an outer ring of the second rolling bearing (5) is installed on one end face of the guide vane regulator (1), the guide vane regulator (1) is sleeved in the water flowing pipe (23), the other end face of the guide vane regulator (1) is installed with the outer ring of the third rolling bearing (24), a rotating shaft (10) is installed on the end face of the inner ring of the third rolling bearing (24), a plurality of fan blades are distributed on the rotating shaft (10), a hollow pipe (19) is sleeved on the regulating pipe (6), and the hollow pipe (19) penetrates through the pipe wall of the water flowing pipe (23) to be connected with the outer ring of the second rolling bearing (5);
step four: pouring flowing water into the flowing water pipe (23) through the water inlet (8), wherein the flowing water touches the blades (3), a first gear (14) on a first rolling shaft (13) of the flowing water is matched with a second gear (16) on one end of a second rolling shaft (15), and a third gear (17) on the other end of the second rolling shaft (15) is matched with a movable shaft (18) to enable the blades (3) to be impacted by the flowing water to achieve a flow limiting effect, so that the water flow is controlled;
step five: flowing water continuously flows downwards after impacting the blades (3) and impacts fan blades on the fan blade shaft (27), the fan blades are symmetrically distributed by taking the fan blade shaft (27) as a center, the fan blades comprise transverse plates (25) and folded plates (28), the connecting positions of the transverse plates (25) and the folded plates (28) form obtuse angles alpha, the transverse plates (25) are connected with the outer side faces of the fan blade shaft (27), the flowing water can impact the transverse plates (25) and the folded plates (28), the transverse plates (25) and the folded plates (28) can drive the fan blade shaft (27) to rotate under the influence of impact force, the fan blade shaft (27) is connected with the rotating shaft (10) through a rolling bearing four (26), and the water flow impact force of the transverse plates (25) enables the fan blade shaft (27) to be stressed to drive the rotating shaft (10) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111072282.2A CN113915042A (en) | 2021-09-14 | 2021-09-14 | Guide vane body structure of water turbine and mounting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111072282.2A CN113915042A (en) | 2021-09-14 | 2021-09-14 | Guide vane body structure of water turbine and mounting method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962118A (en) * | 2022-03-28 | 2022-08-30 | 太原市立科致业科技有限公司 | Ocean current power generation equipment for ocean energy exploitation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962118A (en) * | 2022-03-28 | 2022-08-30 | 太原市立科致业科技有限公司 | Ocean current power generation equipment for ocean energy exploitation |
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