River loose blade water turbine

By introducing silent components and shock-absorbing structures into the river movable blade turbine, the problems of rotating noise and collision of the movable blades are solved, achieving the effect of reducing noise and extending service life.

CN223434431UActive Publication Date: 2025-10-14谢政
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Patent Information

Application Number
CN202422925657.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-10-14
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

The movable blades and blade supports in the prior art generate relatively loud noises during rotation, and blade collisions affect the service life of the device.

Method used

It uses silent components and shock-absorbing structures, including springs, slides, limit grooves and shock-absorbing plates. The cylindrical iron rollers slide on the square steel to change the direction of the arc-shaped impeller, reducing noise and collision impact, and increasing rotation efficiency.

Benefits of technology

It effectively reduces noise, prolongs the service life of the device, and improves rotation efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of power generation power equipment, and discloses a river way loose blade water turbine which comprises a machine base and an iron circular plate, the iron circular plate is provided with a main supporting rod, the main supporting rod is connected with an outer fixing ring, square steel is connected between the iron circular plate and the main supporting rod, a cylindrical iron roller slides on the square steel, a rotating hole is formed in the main supporting rod, and an arc-shaped impeller is rotationally connected to the rotating hole. The cylindrical iron roller slides on the square steel, the square steel is provided with a mute part, the mute part comprises springs, the springs are fixed on the square steel, the springs are arranged at the two ends of the stroke of the cylindrical iron roller, and a shaft on one side of the iron circular plate protrudes out of the machine base and is connected with a generator. The cylindrical iron rollers slide on the square steel under the action of gravity, so that the arc-shaped impeller of the underwater part of the device is in full contact with water flow to increase the rotating speed, and the arc-shaped impeller of the overwater part is retracted inwards to reduce the windward side, reduce the air resistance and increase the rotating efficiency; and the spring of the mute part can reduce noise generated by impact in the movement process of the cylindrical iron roller.
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Description

TECHNICAL FIELD

[0001] The utility model relates to power generation power equipment technical field especially relates to river live leaf water turbine. BACKGROUND

[0002] The known water turbine that can convert natural river water flow water energy into electric energy, the connection mode of its water energy tapping device mainly has two kinds: one tapping device is straight blade type, and the blade is directly connected on the rotating shaft, another tapping device is the rolling groove type, and the rolling groove is connected on the force arm that the rotating shaft extends. These water turbines, because its water energy tapping device is not movable, will form resistance to different degrees when not doing work, to a certain extent, affect the tapping of water energy.

[0003] According to the patent network discloses an activity blade type water turbine (authorization announcement number: CN202325978U) in the description "by power main shaft, power support, blade support, activity blade, transverse support five parts constitute, on the power main shaft, evenly have a plurality of power support that the frame is rectangle, on each power support, evenly have a plurality of blade support that is parallel to the power main shaft, each blade support is connected with the activity blade that the shape is rectangle through multiple hinges, each activity blade is perpendicular to the power support and is provided with the angle control support that controls the inclination angle of activity blade at the power support on the side that does not meet the water flow, on the two sides of each two power support far end is connected with transverse support.".

[0004] For the above description, the applicant thinks that there are the following problems:

[0005] The utility model in the use process, because on each power support, evenly have a plurality of blade support that is parallel to the power main shaft, each blade support is connected with the activity blade that the shape is rectangle through multiple hinges, each activity blade is perpendicular to the power support and is provided with the angle control support, the activity blade in the prior art and the rotating process of blade support will produce larger noise because of impact, and the impact of the opposite activity blade affects the service life of the device, so river live leaf water turbine needs to be improved to solve the above problems. Utility model content

[0006] In order to overcome the problem that the activity blade in the prior art and the rotating process of blade support will produce larger noise, and the impact of the opposite activity blade affects the service life of the device.

[0007] The utility model discloses a technical scheme for a riverway movable vane hydraulic turbine, which comprises a base, an iron round plate arranged on the base, the iron round plate being rotationally connected with the base, main supporting rods arranged on the two sides of the iron round plate in the axial direction and extending towards the radial direction, an outer fixing ring connected with one side of the main supporting rods away from the iron round plate, square steels connected between the iron round plate and the main supporting rods, cylindrical iron rollers sliding on the square steels, rotating blocks arranged on the main supporting rods, rotating holes arranged on the rotating blocks, arc-shaped impellers rotationally connected with the rotating holes, the cylindrical iron rollers being capable of changing the direction of the arc-shaped impellers by sliding on the square steels, the cylindrical iron rollers changing positions on the square steels under the action of gravity when the outer fixing ring rotates, mute parts arranged on the square steels, the mute parts comprising springs, the springs being fixed on the square steels and arranged at the two ends of the stroke of the cylindrical iron rollers, and a generator connected with the base through the protruding shaft on one side of the iron round plate.

[0008] Preferably, the mute part further comprises a sliding groove arranged on the square steel, the two sides of the sliding groove in the length direction are provided with insertion holes, the opposite two sides of the sliding groove are provided with limiting grooves, and shock-absorbing plates are slidingly connected in the limiting grooves and contact the sliding groove through the springs.

[0009] Preferably, the shock-absorbing plate is provided with a limiting column in the direction close to the insertion hole, the limiting column is matched with the insertion hole, and the limiting column is provided with a spring.

[0010] Preferably, when the shock-absorbing plate slides to the side away from the insertion hole of the limiting groove, the limiting column cannot slide out of the insertion hole.

[0011] Preferably, the sliding groove is slidingly provided with a cylindrical iron roller, and the cylindrical iron roller is arranged between the shock-absorbing plates on the two sides of the sliding groove.

[0012] Preferably, one side of the arc-shaped impeller is provided with an impeller shaft, the two sides of the impeller shaft are provided with rotating shafts, the rotating shafts can be inserted into the rotating holes of the rotating blocks, the same side of the main supporting rods as the rotating blocks is provided with a blocking rod, the blocking rod is closer to the iron round plate relative to the rotating blocks, and one side of the main supporting rods away from the iron round plate is provided with a pull rod.

[0013] Preferably, the inner side of the outer fixing ring is coaxially provided with an inner fixing ring, and the iron round plate, the inner fixing ring and the outer fixing ring are connected through the main supporting rods.

[0014] The utility model has the advantages that compared with the prior art in which each blade support is connected with a movable blade in the shape of a rectangle through multiple hinges, the spring of the mute part can reduce the noise generated by the cylindrical iron roller during movement due to impact, the cylindrical iron roller slides on the square steel under the action of gravity, the arc-shaped impeller of the part of the device under water is fully contacted with the water flow to increase the rotating speed, the arc-shaped impeller in the part of the device above water is retracted, the windward surface is reduced, the air resistance is reduced, and the rotating efficiency is increased. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the cylindrical iron roller of the utility model;

[0017] Figure 3 This is a schematic diagram of the spring structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the arc-shaped impeller of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the shock-absorbing plate of the utility model.

[0020] Explanation of the accompanying reference numerals: 1. Machine base; 21. Main support rod; 211. Rotating block; 2111. Rotating hole; 22. Blocking rod; 23. Arc-shaped impeller; 231. Impeller shaft; 232. Rotating shaft; 241. Spring; 242. Shock-absorbing plate; 243. Limiting column; 25. Outer fixing ring; 26. Iron round plate; 27. Inner fixing ring; 29. ​​Square steel; 291. Slide groove; 2911. Limiting groove; 2912. Socket; 31. Cylindrical iron roller; 32. Pull rod. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] See also Figure 1-Figure 5 The utility model provides an embodiment: a river channel movable blade turbine, comprising a machine base 1, and also comprising an iron circular plate 26 arranged on the machine base 1, the iron circular plate 26 being rotatably connected to the machine base 1, main support rods 21 facing in the radial direction are provided on both sides of the axial direction of the iron circular plate 26, an outer fixing ring 25 is connected to the side of the main support rod 21 away from the iron circular plate 26, a square steel 29 is connected between the iron circular plate 26 and the main support rod 21, a cylindrical iron roller 31 slides on the square steel 29, a rotating block 211 is provided on the main support rod 21, a rotating hole 2111 is provided on the rotating block 211, an arc-shaped impeller 23 is rotatably connected to the rotating hole 2111, the cylindrical iron roller 31 slides on the square steel 29 to change the direction of the arc-shaped impeller 23, and when the outer fixing ring 25 is turned, a rotating block 211 is provided on the main support rod 21, and a rotating hole 2111 is provided on the rotating block 211. During rotation, the cylindrical iron roller 31 changes position on the square steel 29 due to the force of gravity. The square steel 29 is provided with a silent part, which includes a spring 241. The spring 241 is fixed to the square steel 29 and is arranged at both ends of the travel of the cylindrical iron roller 31. The shaft on one side of the iron circular plate 26 protrudes from the machine base 1 and is connected to the generator. The cylindrical iron roller 31 slides on the square steel 29 due to gravity, so that the arc-shaped impeller 23 of the device located underwater is fully in contact with the water flow, increasing the rotation speed. The arc-shaped impeller 23 located above the water is retracted, reducing the windward surface, reducing air resistance, and increasing rotation efficiency. The spring 241 of the silent part can reduce the noise generated by the impact during the movement of the cylindrical iron roller 31.

[0023] See also Figures 1-4In this embodiment, the silent part also includes a slide groove 291 located on the square steel 29, and the slide groove 291 is provided with a socket 2912 on both sides in the length direction. The slide groove 291 is provided with a limiting groove 2911 on the opposite sides. A shock-absorbing plate 242 is slidably connected in the limiting groove 2911. The shock-absorbing plate 242 contacts the slide groove 291 through the spring 241. The shock-absorbing plate 242 withstands the impact of the cylindrical iron roller 31, which is conducive to uniformly transmitting the impact force of the cylindrical iron roller 31 to the spring 241. The limiting groove 2911 can limit the movement direction of the shock-absorbing plate 242 to prevent the shock-absorbing plate 242 from shaking and falling. The shock-absorbing plate 242 is provided with a limiting column 243 in the direction close to the socket 2912. The limiting column 243 matches the socket 2912. 43 is provided with a spring 241, and the spring 241 is sleeved in the limiting column 243 to prevent the spring 241 from falling. When the shock-absorbing plate 242 slides to the side of the limiting groove 2911 away from the insertion hole 2912, the limiting column 243 cannot slide out of the insertion hole 2912. The limiting column 243 cannot slide out of the insertion hole 2912, so that the shock-absorbing plate 242 can also limit the spring 241 when moving back and forth to prevent the spring 241 from falling off. A cylindrical iron roller 31 slides in the slide groove 291, and the cylindrical iron roller 31 is located between the shock-absorbing plates 242 on both sides of the slide groove 291. The rolling direction of the cylindrical iron roller 31 is limited by the slide groove 291. At the same time, the shock-absorbing plates 242 on both sides of the slide groove 291 can alleviate the noise generated by the impact of the cylindrical iron roller 31.

[0024] See also Figure 2-Figure 5 The cam 23 is provided with a plurality of support rods 231 on the inner wall 211 of the cam 232, and the support rods 232 are provided with a plurality of support rods 232 on the inner wall 211 of the cam 232.

[0025] In the process of work, install the device in the section of the river water quickly, and according to the width of the river, design the size, establish the machine base 1 across the river on one side of the river embankment, build a power house, the iron round plate 26 side of the shaft protrudes from the machine base 1 and is provided with a gear, the gear is connected to the generator through the chain, under the push of the water in the river, each main branch 21 rotates in one direction, through the positions of a, b, c, d, e, f, g, h, among them, the arc impeller 23 and the cylindrical iron roller 31 are in the positions of g, h, a, b, the arc impeller 23 is folded to the inside of the iron round plate 26, through the positions of c, d, e, f, the cylindrical iron roller 31 slides along the chute 291 to the side away from the iron round plate 26, the arc impeller 23 flips along the axis of the rotating shaft 232 to the direction away from the iron round plate 26, increasing the contact with the water flow and improving the rotating efficiency of the device, the blocking rod 22 and the pull rod 32 limit the rotating direction of the arc impeller 23 around the impeller shaft 231 axis, here the arc impeller 23, the cylindrical iron roller 31 and the water form a huge lever force, the cylindrical iron roller 31 slides in the chute 291, when the cylindrical iron roller 31 hits the two sides of the length direction of the chute 291, the shock absorbing plate 242 contracts in the direction of the impact, the limiting column 243 enters the insertion hole 2912, and the spring 241 sleeved on the limiting column 243 contracts, here the rotating range of the arc impeller 23 is ninety degrees, the arc impeller 23 has an arc shape, three to ten meters long and one point five to two point five meters wide, the cylindrical iron roller 31 is three to ten meters long and one hundred to two thousand catties heavy, the number of main branch 21 is eight to twelve, the length of main branch 21 is five to ten meters, the thickness of iron round plate 26 is five to ten centimeters, and the iron round plate 26 is used to fix the main branch 21.

[0026] Through the above steps, the spring 241 of the mute part can reduce the noise generated by the impact of the cylindrical iron roller 31 during movement, the cylindrical iron roller 31 slides on the square steel 29 under the action of gravity, so that the arc impeller 23 of the part of the device under water fully contacts with the water flow to increase the rotating speed, the arc impeller 23 in the part above water is folded inward to reduce the windward surface and reduce air resistance, thereby increasing the rotating efficiency, so as to solve the problems that the existing technology produces relatively large noise in the process of rotating the movable blade and the blade support, and the collision of the movable blade affects the service life of the device.

Claims

1. A river channel movable blade turbine, comprising a base (1), characterized in that: The machine also includes an iron circular plate (26) provided on the machine base (1), the iron circular plate (26) being rotatably connected to the machine base (1), main support rods (21) facing in the radial direction being provided on both sides of the iron circular plate (26) in the axial direction, an outer fixing ring (25) being connected to the side of the main support rod (21) away from the iron circular plate (26), a square steel (29) being connected between the iron circular plate (26) and the main support rod (21), a cylindrical iron roller (31) being slidably provided on the square steel (29), a rotating block (211) being provided on the rotating block (211), and a rotating hole (2111) being provided on the rotating hole (2111). 11) is rotatably connected to an arc-shaped impeller (23), and a cylindrical iron roller (31) slides on a square steel (29) to change the direction of the arc-shaped impeller (23). When the outer fixing ring (25) rotates, the cylindrical iron roller (31) is subjected to the action of gravity on the square steel (29) to change its position. A silent part is provided on the square steel (29), and the silent part includes a spring (241). The spring (241) is fixed on the square steel (29). The spring (241) is arranged at both ends of the stroke of the cylindrical iron roller (31). The shaft on one side of the iron round plate (26) protrudes from the machine base (1) and is connected to a generator.

2. The river channel movable blade turbine according to claim 1, characterized in that: The silent part also includes a slide groove (291) located on the square steel (29), and the slide groove (291) is provided with a socket (2912) on both sides in the length direction. The slide groove (291) is provided with a limiting groove (2911) on the opposite sides. A shock-absorbing plate (242) is slidably connected in the limiting groove (2911), and the shock-absorbing plate (242) contacts the slide groove (291) through a spring (241).

3. The river channel movable blade turbine according to claim 2, characterized in that: A limiting column (243) is provided on the damping plate (242) in a direction close to the insertion hole (2912), the limiting column (243) matches the insertion hole (2912), and a spring (241) is sleeved inside the limiting column (243).

4. The river channel movable blade turbine according to claim 3, characterized in that: When the damping plate (242) slides to the side of the limiting groove (2911) away from the insertion hole (2912), the limiting column (243) cannot slide out of the insertion hole (2912).

5. The river channel movable blade turbine according to claim 2, characterized in that: A cylindrical iron roller (31) slides in the chute (291), and the cylindrical iron roller (31) is located between the shock absorbing plates (242) on both sides of the chute (291).

6. The river channel movable blade turbine according to claim 5, characterized in that: An impeller shaft (231) is provided on one side of the arc-shaped impeller (23), and rotating shafts (232) are provided on both sides of the impeller shaft (231). The rotating shaft (232) can be inserted into the rotating hole (2111) of the rotating block (211). A blocking rod (22) is provided on the main support rod (21) on the same side as the rotating block (211). The blocking rod (22) is closer to the iron round plate (26) relative to the rotating block (211), and a pull rod (32) is provided on the side of the main support rod (21) away from the iron round plate (26).

7. The river channel movable blade turbine according to claim 6, characterized in that: An inner fixing ring (27) is coaxially arranged on the inner side of the outer fixing ring (25), and the iron circular plate (26), the inner fixing ring (27) and the outer fixing ring (25) are connected via a main support rod (21).

Citation Information

Patent Citations

  • Movable blade water turbine

    CN202325978U