CN117231408B - Water conservancy turbine unit power generation facility - Google Patents

Water conservancy turbine unit power generation facility Download PDF

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Publication number
CN117231408B
CN117231408B CN202311522871.5A CN202311522871A CN117231408B CN 117231408 B CN117231408 B CN 117231408B CN 202311522871 A CN202311522871 A CN 202311522871A CN 117231408 B CN117231408 B CN 117231408B
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pipeline
wall
plate
assembly
switching
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CN117231408A (en
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赵亮
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Anhui Fengzhou Construction Technology Co ltd
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Anhui Fengzhou Construction Technology Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

Abstract

The invention discloses a hydraulic turbine unit power generation device, which relates to the technical field of hydraulic power generation devices, and comprises a power generation unit, wherein a pipeline for being butted at a water outlet of a reservoir is arranged on the outer surface of the power generation unit, blocking nets are arranged at two ends of the pipeline, a first hydraulic turbine is arranged in the middle of the pipeline, a main shaft is arranged at the center of the first hydraulic turbine, a second hydraulic turbine is sleeved on the outer surface of the main shaft close to the rightmost end, a power generator is arranged at the right end of the main shaft, and a mounting seat is arranged at the left end of the main shaft.

Description

Water conservancy turbine unit power generation facility
Technical Field
The invention relates to the technical field of hydroelectric power generation equipment, in particular to hydroelectric turbine generating equipment.
Background
Hydroelectric power generation is a form of generating power by utilizing water energy in water resources such as rivers, and the use of the form can be used on natural river channels, diversion and the like in the building construction process. The basic equipment of hydroelectric power generation is a hydraulic generator, when water flow passes through the hydraulic turbine, the impeller of the hydraulic turbine is pushed by the water flow to rotate, the hydraulic turbine drives the generator to generate power, the mechanical energy is converted into electric energy, and then the electric power is transmitted to users through power transformation and transmission and distribution equipment;
the current hydroelectric power generation equipment generally can be provided with the cistern when using, install the water outflow mouth at the cistern with power generation facility again, if meet heavy rain period, the water in the cistern is too much, when leading to the rivers velocity of flow, the rotational speed of impeller can be too fast, lead to the impeller not rotatory according to the rotational speed of settlement, lead to vibrations too big, lead to the screw to become flexible or electric load is too big, lead to the generator overload, damage even, simultaneously if meet the arid period, the water in the cistern is less, if the velocity of flow is too low then can cause the rotational speed of impeller insufficient, can not reach the rotational speed of the needs of generator electricity generation, the generated energy is caused to become low, stability is insufficient.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention aims to solve the problems: the rotational speed of impeller can be too fast, leads to screw loosening or power load to be too big, leads to the generator overload, damages even, if meet drought period simultaneously, the water in the cistern is less, if the velocity of flow is too low can cause the rotational speed of impeller not enough, can not reach the rotational speed that the needs of generator electricity generation and lead to the problem that the generated energy becomes low.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a water conservancy turbine unit power generation facility, includes the generating set, generating set surface installs the pipeline that is used for docking at the cistern water flow outlet, the block is installed at the both ends of pipeline, pipeline mid-mounting has the hydraulic turbine one, the center department of hydraulic turbine one installs the main shaft, the main shaft has cup jointed hydraulic turbine two near the outer surface of rightmost end, the generator is installed to the main shaft right-hand member, the mount pad is installed to the main shaft left end;
the first switching component is arranged on the inner wall of the leftmost end of the pipeline and is used for switching the movement track of water flow;
the adjusting component is arranged on the inner wall of one side of the pipeline and is used for adjusting under the pushing of the centrifugal component to drive the switching component to switch the one-way mode;
the centrifugal components are arranged at the top and the bottom of the mounting seat, the number of the centrifugal components is two, and the two groups of the centrifugal components are used for driving the adjusting components to adjust through the action of centrifugal force;
the scraping component is arranged on the inner wall of the pipeline and is used for removing sludge or shell organisms on the inner wall of the pipeline through the flowing force of water flow;
and the second switching component is arranged on the inner wall of the pipeline, and the position of the second switching component is arranged on the left side of the second water turbine.
Preferably, the outer shells of the first water turbine and the second water turbine are fixedly arranged on the inner wall of the pipeline, two ends of the pipeline are funnel-shaped, and the stress directions of the first water turbine and the second water turbine are consistent.
Preferably, the first switching component comprises an arc-shaped rail I, the arc-shaped rail I is arranged on the inner side of the pipeline, a sliding rod I is slidably arranged on the inner side of the arc-shaped rail I, a telescopic rod I is arranged on one side of the sliding rod I, a guide plate I is arranged at the other end part of the telescopic rod I, a rotating shaft I is rotatably arranged at the other end part of the guide plate I, and a gear I is sleeved at the center of the rotating shaft I.
Preferably, the shape of the first arc-shaped track is the same as the rotating track of the first guide plate, the first guide plate is in a half funnel shape, the initial position of the first guide plate is clung to funnel-shaped parts at two ends of the pipeline, the first rotating shaft is arranged on the inner side of the pipeline, and the first sliding rod is connected with the side wall of the first arc-shaped track in a damping mode.
Preferably, the adjusting part comprises a side mounting plate, the inboard at the pipeline is installed to the side mounting plate, the circular arc limiting plate is installed to side mounting plate tip, circular arc groove has been seted up to circular arc limiting plate inboard, first telescopic link is installed at circular arc limiting plate top, the curb plate is installed to circular arc limiting plate one side, the rack is installed to curb plate tip, the rack is connected with a gear meshing, the quantity of adjusting part sets up to two sets of, installs the inboard at the pipeline adjacent left and right sides both ends respectively.
Preferably, the centrifugal component comprises a sliding plate, the sliding plate is in sliding engagement with the side wall of the circular arc limiting plate, openings at two ends of a groove in which the sliding plate is in engagement with the side wall of the circular arc limiting plate are in an outward expansion shape, a gravity block is installed at the bottom of the sliding plate, a sleeve is sleeved on the inner wall of the gravity block, a first spring is installed on the inner wall of the bottom of the sleeve, a rolling ball is arranged at the top end of the first spring, an elastic telescopic rod is installed at the bottom of the gravity block, and the bottom end of the elastic telescopic rod is installed at the top of the installation seat.
Preferably, the rolling ball is rotationally connected with the inner wall of the sleeve, when the side wall of the circular arc limiting plate rotates with the gravity block, the movement track of the sliding plate is the same, and when the rolling ball is propped against the inner wall of the circular arc groove, the end part of the sliding plate always keeps on a track with the side wall of the circular arc limiting plate.
Preferably, the scraping assembly comprises a limiting ring, the limiting ring is arranged on the inner side of the pipeline, a scraping plate is arranged on one side of the limiting ring, a rotating ring is arranged at one end of the scraping plate, a plurality of groups of fan blades are arranged on the left side of the rotating ring and are uniformly distributed on one side of the rotating ring in an annular shape, the stress directions of the fan blades are the same in a plurality of groups, the rotating ring can rotate on the inner side of the pipeline, the rotating ring is adjacent to an arc limiting plate, the scraping plate is clung to the inner wall of the pipeline, and the shape of the scraping plate is set to be S-shaped.
Preferably, the second switching assembly comprises an arc-shaped track II, the arc-shaped track II is arranged on the inner side of the pipeline, a sliding rod II is sleeved on the inner wall of the arc-shaped track II in a sliding manner, a telescopic rod II is arranged on one side of the sliding rod II, a guide plate II is rotatably arranged at the end of the telescopic rod II, a rotating shaft II is rotatably arranged at the other end of the guide plate II, a gear II is sleeved at the center of the rotating shaft II, a gear III is connected with one side of the gear II in a meshed manner, a rotating shaft III is sleeved at the center of the gear III, the rotating shaft II and the rotating shaft III are rotatably connected with the inner side of the pipeline, a first group of adjusting assemblies and a second group of adjusting assemblies are identical in structure, a second group of adjusting assemblies are arranged between the second group of switching assemblies and the centrifugal assemblies, the first group of centrifugal assemblies and the centrifugal assemblies are identical in structure, the second group of the switching assemblies are identical in structure, the unique and different guide plates II are opposite in direction, the left side of the adjacent water turbine II are meshed with one another, the second group of switching assemblies are arranged on the left side of the switching assemblies, the second group of the switching assemblies are connected with the rotating shaft III, and the two groups of the two adjusting assemblies are meshed with the rotating shafts in parallel with the first group of the side of the adjusting assemblies, and the side of the two side racks are connected with the first group of the adjusting assemblies.
Compared with the prior art, the invention has at least the following advantages:
1. according to the invention, the first switching component is arranged on the inner wall of the pipeline, when the flow speed of water flows is too fast, the centrifugal component drives the regulating component to move through the change of the centrifugal force of the gravity block in the centrifugal component when the rotation speed of the centrifugal component is too fast, the first switching component is pushed to move, the first switching component is deformed and contracted inwards to cut water flow from the upper part and the lower part, the water flow is partitioned, the water flow quantity of which the center directly flows to the adjacent water turbine is reduced, the flow speed of the first water turbine is physically reduced by reducing the water flow on the first water turbine, and the generator set is protected from overload;
2. according to the invention, when the switching assembly is used for partitioning water flow, partial water flow is directly acted on the scraping assembly by increasing the water flow space of the outer side space of the switching assembly, sludge or shell organisms attached to the inner wall of the pipeline are removed, and finally the scraped sludge or shell organisms flow away through the water flow, so that the cleaning degree of the inner wall of the pipeline is improved, the water flow resistance in the pipeline is reduced, the flow speed of the water flow on the inner wall of the pipeline is improved, and the power generation efficiency is improved;
3. when the flow speed is slow, the second centrifugal component is pulled to shrink by changing the centrifugal force of the gravity block in the centrifugal component through changing the centrifugal force of the second centrifugal component, the diameter of the tail part of the pipeline is reduced, the flow speed of water flow on the second water turbine directly acted on the tail part of the pipeline is physically increased by reducing the diameter of the water column, and the main shaft is driven to rotate at a high speed by accelerating the second water turbine, so that the rotating speed of the impeller is prevented from being insufficient, the rotating speed required by the power generation of the generator is not reached, and the generated energy is reduced;
4. the invention monitors the rotation speed of the main shaft in real time through the gravity block for the operation of the power generation equipment in heavy rain and drought weather, cuts water flow under the action of centrifugal force, simultaneously drives the scraping assembly to remove sludge or shell organisms attached to the inner wall of the pipeline in heavy rain, improves the stability of the water conservancy power generation equipment, can improve the power generation efficiency to a certain extent, has strong practicability and does not need electricity.
Drawings
Fig. 1 is a schematic view of an external structure of a generator set.
Fig. 2 is a schematic diagram of the whole half-section structure of the generator set.
Fig. 3 is a schematic diagram of the left half of the generator set.
Fig. 4 is a schematic structural diagram of a first switching component.
Fig. 5 is a schematic view of the spindle, centrifuge assembly and adjustment assembly.
Fig. 6 is a schematic diagram of a centrifugal assembly.
Fig. 7 is a schematic view of a scraping assembly.
Fig. 8 is a schematic view of a part of the structures of the second switching assembly and the scraping assembly.
Fig. 9 is a schematic diagram of a second structure of the switching component.
In the figure, 1, a generator set; 10. a pipe; 11. a blocking net; 12. a first water turbine; 13. a main shaft; 14. a second water turbine; 15. a generator; 16. a mounting base; 2. a first switching component; 20. arc-shaped rail I; 21. a first sliding rod; 22. a first telescopic rod; 23. a first guide plate; 24. a first rotating shaft; 25. a first gear; 3. an adjustment assembly; 30. a side mounting plate; 31. an arc limiting plate; 32. an arc groove; 33. a first telescopic rod; 34. a side plate; 35. a rack; 4. a centrifuge assembly; 40. a sliding plate; 41. a gravity block; 42. a sleeve; 43. a first spring; 44. a rolling ball; 45. an elastic telescopic rod; 5. a scraping assembly; 50. a limiting ring; 51. a scraper; 52. a rotating ring; 53. a fan blade; 6. a second switching component; 60. arc-shaped rails II; 61. a sliding rod II; 62. a second telescopic rod; 63. a second guide plate; 64. a second rotating shaft; 65. a second gear; 66. a third gear; 67. and a rotating shaft III.
Detailed Description
The present invention will be described in further detail below.
Example 1: referring to fig. 1-7, the electric generator set 1 comprises an electric generator set 1, wherein a pipeline 10 for being in butt joint with a water outlet of a reservoir is arranged on the outer surface of the electric generator set 1, blocking nets 11 are arranged at two ends of the pipeline 10, a first water turbine 12 is arranged in the middle of the pipeline 10, a main shaft 13 is arranged at the center of the first water turbine 12, a second water turbine 14 is sleeved on the outer surface of the main shaft 13 close to the rightmost end, a generator 15 is arranged at the right end of the main shaft 13, and a mounting seat 16 is arranged at the left end of the main shaft 13;
the first switching component 2 is arranged on the inner wall of the leftmost end of the pipeline 10, and the first switching component 2 is used for switching the motion trail of water flow;
the adjusting component 3 is arranged on the inner wall of one side of the pipeline 10, and the adjusting component 3 is used for adjusting under the pushing of the centrifugal component 4 to drive the switching component to switch the mode of one 2;
the centrifugal assemblies 4 are arranged at the top and the bottom of the mounting seat 16, the number of the centrifugal assemblies 4 is two, and the two groups of centrifugal assemblies 4 are used for driving the adjusting assemblies 3 to adjust through the action of centrifugal force;
the scraping assembly 5 is arranged on the inner wall of the pipeline 10, and the scraping assembly 5 is used for removing sludge or shell organisms on the inner wall of the pipeline 10 through flowing force of water flow.
Furthermore, the outer shells of the first water turbine 12 and the second water turbine 14 are fixedly arranged on the inner wall of the pipeline 10, the two ends of the pipeline 10 are provided with funnels, the stressing directions of the first water turbine 12 and the second water turbine 14 are consistent, the first switching component 2 comprises a first arc-shaped track 20, the first arc-shaped track 20 is arranged on the inner side of the pipeline 10, a first sliding rod 21 is slidably arranged on the inner side of the first arc-shaped track 20, a first telescopic rod 22 is arranged on one side of the first sliding rod 21, a first guide plate 23 is arranged at the other end part of the first telescopic rod 22, a first rotating shaft 24 is rotatably arranged at the other end part of the first guide plate 23, a first gear 25 is sleeved at the center of the first rotating shaft 24, the first arc-shaped track 20 is in the same shape as the rotating track of the first guide plate 23, the first guide plate 23 is in a half funnels shape, the initial position of the first guide plate 23 is tightly attached to the funnels at the two ends of the pipeline 10, (for the purpose of preventing the influence of the flow velocity of water flow in the initial state), the first rotating shaft 24 is arranged on the inner side of the pipeline 10, the first sliding rod 21 is in damping connection with the side wall of the first arc-shaped track 20, the adjusting component 3 comprises a side mounting plate 30, the side mounting plate 30 is arranged on the inner side of the pipeline 10, the end part of the side mounting plate 30 is provided with an arc limiting plate 31, the inner side of the arc limiting plate 31 is provided with an arc groove 32, the top of the arc limiting plate 31 is provided with a first telescopic rod 33, one side of the arc limiting plate 31 is provided with a side plate 34, the end part of the side plate 34 is provided with a rack 35, the rack 35 is in meshing connection with the first gear 25, the quantity of the adjusting component 3 is two groups, the two groups are respectively arranged on the inner sides of the pipeline 10 adjacent to the left end and the right end, the centrifugal component 4 comprises sliding plates 40, the sliding plates 40 are in sliding engagement with the side walls of the arc limiting plate 31, the side walls of the arc limiting plate 31 are in the outward expansion shape of the two end openings of the groove where the sliding plates 40 are in engagement, the gravity block 41 is arranged at the bottom of the sliding plate 40, the sleeve 42 is sleeved on the inner wall of the gravity block 41, the first spring 43 is arranged on the inner wall of the bottom of the sleeve 42, the rolling ball 44 is arranged at the top end of the first spring 43, the elastic telescopic rod 45 is arranged at the bottom of the gravity block 41, the bottom end of the elastic telescopic rod 45 is arranged at the top of the mounting seat 16, the rolling ball 44 is rotationally connected with the inner wall of the sleeve 42, when the side wall of the circular arc limiting plate 31 rotates with the gravity block 41, the movement track of the sliding plate 40 is the same, and when the rolling ball 44 is propped against the inner wall of the circular arc groove 32, the end part of the sliding plate 40 always keeps on a track with the side wall of the circular arc limiting plate 31;
in real-time use, firstly, a worker installs the pipeline 10 of the generator set 1 at the water outlet of the reservoir, then opens the water outlet, water flows into the pipeline 10, starts to drive the first water turbine 12 and the second water turbine 14 to drive the main shaft 13 to rotate, the main shaft 13 drives the generator 15 to start rotating to generate electricity, when the water flow speed is too fast, when the speed of the main shaft 13 is increased, the gravity block 41 in the centrifugal assembly 4 is driven to rotate, the elastic limit of the elastic telescopic rod 45 is broken, the elastic telescopic rod moves outwards to push the arc groove 32 of the arc limiting plate 31, the upper arc limiting plate 31 and the lower arc limiting plate 31 are pushed upwards (as shown in figure 5), the rolling ball 44 always rolls tightly against the arc groove 32, the purpose is to reduce friction force, the first spring 43 at the bottom of the rolling ball 44 always rolls against the top end of the sleeve 42 to prevent retraction, the elastic force of the first spring 43 is larger than that of the elastic telescopic rod 45, the first sliding rod 21 is in damping connection with the side wall of the first arc-shaped track 20, so that the arc-shaped limiting plate 31 can temporarily stay at the position, the flow rate is only affected by the water in the reservoir because the size of the outlet of the reservoir is not changed, the water flow rate slowly increases when the reservoir is heavy rain, the water pressure changes to cause the flow rate to slowly change, the flow rate generally does not suddenly increase, the centrifugal force keeps slowly increasing, the positions of the gravity block 41 and the sliding plate 40 do not suddenly change, the positions of the gravity block 41 and the sliding plate 40 are only slowly changed, when the gravity block enters the side surface of the arc-shaped limiting plate 31 and the arc-shaped groove 32, the sliding plate 40 also easily enters the groove where the side wall of the arc-shaped limiting plate 31 is embedded by the sliding plate 40, and pushes the arc-shaped limiting plate 31, the gravity block 41 and the sliding plate 40 can just enter the groove on the side surface of the circular arc limiting plate 31 each time when rotating, when the flow speed is increased, the circular arc limiting plate 31 can change the track along with the pushing of the gravity block 41 and the rolling ball 44, the side plate 34 and the rack 35 are driven to move outwards simultaneously, the rack 35 drives the gear I25 which is in meshed connection with the rack to rotate, the gear I25 drives the rotating shaft I24 to rotate, then the rotating shaft I24 drives the guide plate I23 to rotate, the guide plate I23 slides in the arc track I20 through the sliding rod I21 to limit, the inward contraction changes the position, water flow is cut off from the upper part and the lower part, the water flow is partitioned, the water flow quantity of water flowing to the adjacent water turbine I12 from the center is reduced, the flow speed of the water turbine I12 is physically reduced by reducing the water flow quantity of the water turbine I12, and the generator set 1 is subjected to speed protection to avoid overload;
further, the scraping assembly 5 includes a limiting ring 50, the limiting ring 50 is installed at the inner side of the pipeline 10, a scraping plate 51 is installed at one side of the limiting ring 50, a rotating ring 52 is installed at one end of the scraping plate 51, a plurality of groups of fan blades 53 are installed at the left side of the rotating ring 52, the plurality of groups of fan blades 53 are uniformly distributed at one side of the rotating ring 52 in a ring shape, the stress directions of the plurality of groups of fan blades 53 are the same, the rotating ring 52 can rotate at the inner side of the pipeline 10, the rotating ring 52 is adjacent to the circular arc limiting plate 31, the scraping plate 51 is tightly attached to the inner wall of the pipeline 10, and the shape is set to be S-shaped, (in order that the track of the scraping plate 51 cuts in from an inclined plane when scraping sludge or shell organisms on the inner wall of the pipeline 10 is similar to a knife blade, the shell organisms with larger adhesion force can be better cut off);
meanwhile, part of water flow directly acts on the scraping assembly 5 by increasing the water flow space of the space outside the switching assembly (in normal times, the water flow is guided by the cambered surface of the circular arc limiting plate 31 to form vortex flow of the water turbine I12 in the middle, the speed is not fast, the scraping assembly 5 is not driven to rotate), then the water flow at the scraping assembly 5 is opened, the water flow acts on the rotating ring 52 and the plurality of groups of fan blades 53 in the scraping assembly 5, the rotating ring 52 is driven to drive the scraping plate 51 to rotate, sludge or shell organisms attached to the inner wall of the pipeline 10 are removed, and finally the cleaned inner wall sludge or shell organisms are driven by the water flow to flow away, so that the cleaning degree of the inner wall of the pipeline 10 is improved, the water flow resistance in the pipeline 10 is reduced, the flow speed of the water flow at the inner wall of the pipeline 10 is improved, and the power generation efficiency is improved;
example 2: referring to fig. 5, 6, 8 and 9; the second switching component 6 is arranged on the inner wall of the pipeline 10, and the position of the second switching component 6 is arranged on the left side of the second water turbine 14;
further, the second switching assembly 6 comprises a second arc-shaped track 60, the second arc-shaped track 60 is installed on the inner side of the pipeline 10, a second sliding rod 61 is sleeved on the inner wall of the second arc-shaped track 60 in a sliding manner, a second telescopic rod 62 is installed on one side of the second sliding rod 61, a second guide plate 63 is rotatably installed at the end of the second telescopic rod 62, a second rotating shaft 64 is rotatably installed at the other end of the second guide plate 63, a second gear 65 is sleeved at the center of the second rotating shaft 64, one side of the second gear 65 is in meshed connection with a third gear 66, a third rotating shaft 67 is sleeved at the center of the third gear 66, the second rotating shaft 64 and the third rotating shaft 67 are in meshed connection with the inner side of the pipeline 10, the first switching assembly 3 and the second switching assembly 3 are in the same structure, the second centrifugal assembly 4 is installed in the middle of the second switching assembly 6 and the second centrifugal assembly 4, the first centrifugal assembly 4 is in the same structure of the second group, the second switching assembly 6 is in the same structure as the first switching assembly 2, the directions of the only different guide plates 63 are opposite, the right side of the water turbine 14 is in the left side, the second switching assembly 6 is in the right side of the adjacent connection with the second switching assembly 6, the second switching assembly 6 is installed on the left side of the third switching assembly 6, the second switching assembly 6 is in the meshed connection with the third gear 67 is in the initial sliding assembly 35, the initial sliding state is in the rack 35, and the first sliding assembly is in the state of the rack is in the state in the sliding connection with the second sliding assembly 3, and the first sliding assembly is in the initial state in the sliding state in the pipeline 6 is in the sliding connection with the first sliding assembly 6 is in the first sliding stage in the first sliding assembly 6;
in real-time use, when the flow speed of the second group of centrifugal components 4 is slowed down through the main shaft 13, the main shaft 13 drives the gravity block 41 in the centrifugal components 4 to rotate, because the elastic telescopic rod 45 always has a pulling force on the gravity block 41 in the initial state, the main shaft 13 is just in a constant position in the normal state of the rotating speed, the circular arc limiting plate 31 is kept parallel, when the main shaft 13 drives the rotating speed of the gravity block 41 to be slowed down, the gravity block 41 can shrink inwards and move towards the mounting seat 16, when the sliding plate 40 is embedded on the side wall of the circular arc limiting plate 31, the circular arc limiting plate 31 is pulled back, the sliding rod II 61 is in damping connection with the side wall of the circular arc track II 60, the circular arc limiting plate 31 can be temporarily stopped at the position, the flow speed is only limited by the amount of water in the reservoir due to the fact that the size of the reservoir outlet is not changed, and when drought, the water flow is slowly reduced, the water pressure changes to cause the slow change of the flow speed, the flow speed generally does not suddenly decrease, the centrifugal force also keeps slowly increasing, the positions of the gravity block 41 and the sliding plate 40 do not suddenly change, the sliding plate 40 is pulled by only slowly changing when entering the side surface of the circular arc limiting plate 31 and the circular arc groove 32, the sliding plate 40 can easily enter the groove of the side wall of the circular arc limiting plate 31, which is embedded by the sliding plate 40, because the two end openings of the groove of the side wall of the circular arc limiting plate 31, which is embedded by the sliding plate 40, are expanded outwards, the gravity block 41 and the sliding plate 40 can just enter the groove of the side surface of the circular arc limiting plate 31 each time when rotating, (the rolling ball 44 rolls tightly against the circular arc groove 32, the aim is to reduce friction force) to push the upper and lower groups of circular arc limiting plates 31, the side plates 34 and the racks 35 are driven to move inwards simultaneously, the rack 35 drives the gear II 65 which is meshed with the rack 35 to rotate anticlockwise, the gear II 65 drives the gear III 66 to rotate clockwise, the rotating shaft III 67 is driven to rotate clockwise, then the rotating shaft III 67 drives the guide plate II 63 to rotate clockwise, the guide plate II 63 slides in the arc-shaped track II 60 through the sliding rod II 61 to limit, the switch component II 6 is pulled to shrink, the diameter of the tail part of the pipeline 10 is reduced, the diameter of a water column is reduced, the flow velocity of water flow on the water turbine II 14 is directly increased by the physical increase of the tail water flow of the pipeline 10 due to the principle that the smaller flow velocity of the water flow is faster, the water turbine II 14 is accelerated, the main shaft 13 is driven to rotate at the same speed, the rotation speeds of the water turbine I12 and the water turbine II 14 are prevented from being insufficient, the rotation speed required by the power generation of the generator 15 is not reached, and the generated energy is reduced.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.

Claims (2)

1. The utility model provides a water conservancy turbine group power generation facility, includes generating set (1), its characterized in that: the electric generator set is characterized in that a pipeline (10) for being in butt joint with a water outlet of a reservoir is arranged on the outer surface of the electric generator set (1), blocking nets (11) are arranged at two ends of the pipeline (10), a first water turbine (12) is arranged in the middle of the pipeline (10), a main shaft (13) is arranged at the center of the first water turbine (12), a second water turbine (14) is sleeved on the outer surface of the main shaft (13) close to the rightmost end, an electric generator (15) is arranged at the right end of the main shaft (13), and a mounting seat (16) is arranged at the left end of the main shaft (13);
the first switching component (2) is arranged on the inner wall of the leftmost end of the pipeline (10), and the first switching component (2) is used for switching the motion trail of water flow; the switching assembly I (2) comprises an arc-shaped track I (20), the arc-shaped track I (20) is arranged on the inner side of the pipeline (10), a sliding rod I (21) is slidably arranged on the inner side of the arc-shaped track I (20), a telescopic rod I (22) is arranged on one side of the sliding rod I (21), a guide plate I (23) is arranged at the other end part of the telescopic rod I (22), a rotating shaft I (24) is rotatably arranged at the other end part of the guide plate I (23), a gear I (25) is sleeved at the center of the rotating shaft I (24), the shape of the arc-shaped track I (20) is identical to the rotating track of the guide plate I (23), the shape of the guide plate I (23) is half of a funnel shape, the initial position of the guide plate I (23) is tightly attached to the funnel-shaped parts at two ends of the pipeline (10), the rotating shaft I (24) is arranged on the inner side of the pipeline (10), and the sliding rod I (21) is in damping connection with the side wall of the arc-shaped track I (20).
The adjusting assembly (3), adjusting assembly (3) sets up in pipeline (10) one side inner wall, adjusting assembly (3) are used for adjusting under the promotion of centrifugal assembly (4), drive to switch over switching assembly one (2) and carry out the switching of mode, adjusting assembly (3) are including side mounting panel (30), side mounting panel (30) are installed in the inboard of pipeline (10), circular arc limiting plate (31) are installed to side mounting panel (30) tip, circular arc groove (32) have been seted up to circular arc limiting plate (31) inboard, first telescopic link (33) are installed at circular arc limiting plate (31) top, curb plate (34) are installed to circular arc limiting plate (31) one side, rack (35) are installed to curb plate (34) tip, rack (35) are connected with gear one (25) meshing, the quantity of adjusting assembly (3) sets up to two sets of, installs respectively in pipeline (10) near the inboard at left and right sides both ends;
the centrifugal assemblies (4) are arranged at the top and the bottom of the mounting seat (16), the number of the centrifugal assemblies (4) is two, and the two groups of the centrifugal assemblies (4) are used for driving the adjusting assemblies (3) to adjust through the action of centrifugal force; the centrifugal assembly (4) comprises a sliding plate (40), the sliding plate (40) is in sliding engagement with the side wall of the circular arc limiting plate (31), the side wall of the circular arc limiting plate (31) is in outward expansion shape by opening at two ends of a groove in which the sliding plate (40) is in engagement, a gravity block (41) is installed at the bottom of the sliding plate (40), a sleeve (42) is sleeved on the inner wall of the gravity block (41), a first spring (43) is installed on the inner wall of the bottom of the sleeve (42), a rolling ball (44) is arranged at the top end of the first spring (43), an elastic telescopic rod (45) is installed at the bottom of the gravity block (41), the bottom end of the elastic telescopic rod (45) is installed at the top of the mounting seat (16), the rolling ball (44) is in rotary connection with the inner wall of the sleeve (42), and when the side wall of the circular arc limiting plate (31) rotates with the gravity block (41), the movement track of the sliding plate (40) is the same, and when the rolling ball (44) is propped against the inner wall of the circular arc groove (32), the end of the sliding plate (40) always keeps a limit track with the circular arc side wall (31);
the scraping assembly (5) is arranged on the inner wall of the pipeline (10), and the scraping assembly (5) is used for removing sludge or shell organisms on the inner wall of the pipeline (10) through the flowing force of water flow; the scraping assembly (5) comprises a limiting ring (50), the limiting ring (50) is arranged on the inner side of the pipeline (10), a scraping plate (51) is arranged on one side of the limiting ring (50), a rotating ring (52) is arranged at one end of the scraping plate (51), a plurality of groups of fan blades (53) are arranged on the left side of the rotating ring (52), the fan blades (53) are uniformly distributed on one side of the rotating ring (52) in an annular shape, the stress directions of the fan blades (53) are the same, the rotating ring (52) can rotate on the inner side of the pipeline (10), the rotating ring (52) is adjacent to the circular arc limiting plate (31), and the scraping plate (51) is clung to the inner wall of the pipeline (10) and is in an S shape;
the switching component II (6), the inner wall at pipeline (10) is installed to switching component II (6), the position setting of switching component II (6) is in the left side of hydraulic turbine II (14), switching component II (6) is including arc track II (60), arc track II (60) are installed in the inboard of pipeline (10), sliding rod II (61) have been cup jointed to arc track II (60) inner wall slip, telescopic link II (62) are installed to sliding rod II (61) one side, deflector II (63) are installed in telescopic link II (62) tip rotation, deflector II (63) other end rotation is installed pivot II (64), gear II (65) have been cup jointed in pivot II (64) center department, gear II (65) one side meshing is connected with gear III (66), gear III (67) center department cup joints pivot III (67), pivot II (64) and pivot III (67) are connected with the inboard rotation of pipeline (10), first group adjusting component (3) and second group adjusting component (3) are installed with second group (4) the same in the centrifugal component II (4) of second group of adjusting component II (4) the centrifugal component II (4), the structure of the switching assembly II (6) is the same as that of the switching assembly I (2), the directions of the unique and different guide plates II (63) are opposite, the guide plates are adjacent to the left side of the water turbine II (14), the switching assembly I (2) is arranged on the left side of the switching assembly II (6), the initial state of the guide plates II (63) is in a parallel state, the sliding rod II (61) is in damping connection with the side wall of the arc-shaped track II (60), and racks (35) in the second group of adjusting assemblies (3) are in meshing connection with the gear III (66).
2. A hydraulic turbine power plant according to claim 1, wherein: the outer shells of the first water turbine (12) and the second water turbine (14) are fixedly arranged on the inner wall of the pipeline (10), the two ends of the pipeline (10) are funnel-shaped, and the stress directions of the first water turbine (12) and the second water turbine (14) are consistent.
CN202311522871.5A 2023-11-16 2023-11-16 Water conservancy turbine unit power generation facility Active CN117231408B (en)

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