Novel water turbine working wheel convenient to replace

Abstract

The utility model discloses a novel water turbine working wheel convenient to replace, and particularly relates to the technical field of water turbines, the novel water turbine working wheel comprises a working wheel main body, a quick assembly convenient for a bolt to insert is arranged in a threaded hole, the quick assembly comprises a connecting port, the connecting port is of a trumpet-shaped structure, and a threaded section is arranged in the middle of the threaded hole. The connecting ports are formed above and below the threaded hole, the large-diameter ends of the two connecting ports face the upper portion and the lower portion of the working wheel body respectively, the quick assembly further comprises a guide unit, the guide unit comprises a guide plate, and the guide plate is movably arranged in the connecting ports. According to the quick assembly, the positions of the bolt and the threaded hole can be matched through the trumpet-shaped connecting port included in the quick assembly, the trumpet-shaped large-caliber ends are arranged above and below the threaded hole respectively, the position of the connecting bolt can be matched more conveniently, the time for aligning the connecting bolt and the threaded hole is further shortened, and the assembling efficiency is improved. And the use is more convenient and faster.

Description

TECHNICAL FIELD

[0001] The utility model relates to water turbine technical field, concretely is a novel water turbine working wheel convenient to replace. BACKGROUND

[0002] Water turbine is the energy conversion of water flow for rotating mechanical energy power machinery, it belongs to the turbine of fluid machinery. As early as 100 years ago, China appeared the rudiment of water turbine - water wheel, is used to promote irrigation and drive food processing equipment. Modern water turbine is mostly installed in the hydropower station, is used to drive generator to generate electricity. In the hydropower station, the water in the upstream reservoir is introduced to the water turbine through the water diversion pipe, and the water turbine runner is rotated to drive the generator to generate electricity. The water that has done work is discharged to the downstream through the tail water pipeline. The higher the water head, the greater the flow, and the greater the output power of the water turbine.

[0003] The existing water turbine working wheel generally needs to be fixedly connected to the mounting seat at the bottom by bolts, but when the water turbine working wheel needs to be replaced, the threaded hole position on the water turbine working wheel needs to be corresponded with the connecting hole position on the mounting seat when installing the new water turbine working wheel on the mounting seat. The threaded hole is generally a straight cylinder structure, and when the bolt is fixed, the position of the bolt needs to be adjusted several times due to the limitation of the installation position, so that the bolt can be fixed in the threaded hole, which is inconvenient to use.

[0004] Therefore, we improve it and provide a novel water turbine working wheel convenient to replace. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0006] The utility model discloses a novel water turbine working wheel convenient to replace, including the working wheel main part, the upper and lower of working wheel main part all are seted up with threaded hole, the threaded hole is provided with the quick assembly that is convenient for bolt insertion, the quick assembly includes the connecting mouth, the connecting mouth is set up to the flared structure, the middle part of threaded hole is provided with the threaded section, the connecting mouth sets up in the upper and lower of threaded hole, the large diameter end of two connecting mouth is respectively towards the upper and lower of working wheel main part, the quick assembly still includes the guide unit, the guide unit includes the guide plate, the guide plate swing setting is in the inside of connecting mouth.

[0007] As a preferred technical scheme of the utility model, the inside of the connecting mouth is provided with an installation cavity, the inside of the installation cavity is fixedly connected with a spring, the spring is vertically arranged with the inner bottom surface of the installation cavity, one end of the spring away from the installation cavity is fixedly connected with a sliding plate, the sliding plate is slidingly arranged in the inside of the installation cavity, and the guide plate is arranged on the sliding plate.

[0008] As a preferred embodiment of this utility model, the outer wall of the slide plate is slidably connected to the inner wall of the mounting cavity, a connecting rod is fixedly connected to the slide plate, the connecting rod is perpendicular to the slide plate, and the end of the connecting rod away from the spring is fixedly connected to the guide plate.

[0009] As a preferred embodiment of this utility model, a limiting plate is fixedly connected to the opening end of the mounting cavity, and a limiting hole is provided on the limiting plate. The outer wall of the connecting rod is in sliding contact with the inner wall of the limiting hole.

[0010] As a preferred technical solution of this utility model, the guide plate is provided with an installation groove, the installation groove is configured in a spherical structure, and a ball is rolled in the installation groove. The surface of the ball is always higher than the surface of the guide plate and the ball is always located inside the installation groove.

[0011] As a preferred embodiment of this utility model, the mounting cavities are arranged in groups of two, with each group of mounting cavities symmetrically arranged on both sides of the threaded hole.

[0012] The beneficial effects of this utility model are as follows: In this utility model, by setting up a quick-connect component, the position of the bolt and the threaded hole can be matched by using the flared connection port included in the quick-connect component. By setting the large diameter end of the flared shape above and below the threaded hole respectively, it is easier to adapt the position of the connecting bolt, further reducing the time for aligning the connecting bolt and the threaded hole, making it more convenient and faster to use. Attached Figure Description

[0013] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic cross-sectional view of the present invention;

[0016] Figure 3 This is a partial cross-sectional structural diagram of the present invention;

[0017] Figure 4 This is a utility model Figure 3 Enlarged schematic diagram of the structure of section A in the middle.

[0018] In the figure: 1, the main body of the working wheel; 2, threaded hole; 3, threaded section; 4, connecting port; 5, mounting cavity; 6, spring; 7, sliding plate; 8, limiting plate; 9, connecting rod; 10, guide plate; 101, mounting groove; 11, ball; 12, limiting hole. DETAILED DESCRIPTION

[0019] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0020] Embodiment: as Figures 1 to 4 shown, the utility model discloses a novel water turbine working wheel convenient to replace, including the main body of working wheel 1, the upper and lower of main body of working wheel 1 are all set up threaded hole 2, threaded hole 2 is provided with the quick assembly convenient for bolt insertion, and the quick assembly includes connecting port 4, and connecting port 4 is set up the horn structure, and through the horn structure's connecting port 4 that sets up, can be more convenient to the guide installation of connecting bolt, and the middle part of threaded hole 2 is provided with threaded section 3, and connecting port 4 is set up in the upper and lower of threaded hole 2, and the large diameter end of two connecting ports 4 is respectively towards the upper and lower of main body of working wheel 1, and the quick assembly still includes guide unit, and guide unit includes guide plate 10, and guide plate 10 is movably arranged in the inside of connecting port 4, and through the guide plate 10 in guide unit, can be more convenient to the end of connecting bolt through the rolling contact mode and slide into threaded hole 2.

[0021] The inside of connecting port 4 is set up mounting cavity 5, and through the mounting cavity 5 in the inside of connecting port 4, can be more convenient to install guide plate 10, and the inside fixed connection of mounting cavity 5 has spring 6, and through the spring 6 of fixed connection in mounting cavity 5, can be more convenient to the guide of connecting bolt, and spring 6 and the inner bottom surface of mounting cavity 5 are vertically set up, and the end fixed connection of spring 6 away from mounting cavity 5 has sliding plate 7, and sliding plate 7 is slidably arranged in the inside of mounting cavity 5, and guide plate 10 is set up on sliding plate 7, and through the mode of guide plate 10 setting on sliding plate 7, can be more convenient to drive guide plate 10 and move.

[0022] The outer wall of sliding plate 7 and the inner wall of mounting cavity 5 are slidably connected, and through the mode of the outer wall of sliding plate 7 and the inner wall of mounting cavity 5 slidably connected, can effectively prevent the situation that sliding plate 7 appears in the process of moving, and sliding plate 7 is fixedly connected with connecting rod 9, and connecting rod 9 and sliding plate 7 are vertically set up, and the end fixed connection between connecting rod 9 away from spring 6 and guide plate 10, and through the mode of connecting rod 9 fixedly connected on sliding plate 7, can be more convenient to install guide plate 10.

[0023] The open end of the mounting cavity 5 is fixedly connected with a limiting plate 8, the limiting plate 8 fixedly connected with the open end of the mounting cavity 5 can effectively prevent the connecting rod 9 from falling out of the mounting cavity 5; a limiting hole 12 is formed in the limiting plate 8, the outer wall of the connecting rod 9 is in sliding contact with the inner wall of the limiting hole 12; by using the sliding connection between the connecting rod 9 and the limiting hole 12, the movement path of the connecting rod 9 can be more conveniently limited, and the connecting rod 9 can be prevented from being stuck during movement.

[0024] A mounting groove 101 is formed in the guide plate 10, the mounting groove 101 is in a spherical structure, by using the spherical mounting groove 101, the ball 11 can be more conveniently mounted; the ball 11 is rolling connected in the mounting groove 101, the surface of the ball 11 is always higher than the surface of the guide plate 10 and the ball 11 is always located in the inside of the mounting groove 101; by using the ball 11, the connecting bolt can be more conveniently slid into the threaded hole 2 by using the rolling contact between the ball 11 and the connecting bolt.

[0025] The mounting cavities 5 are in groups of two, each group of mounting cavities 5 is symmetrically arranged on the two sides of the threaded hole 2; by using the symmetrically arranged mounting cavities 5 on the two sides of the threaded hole 2, the connecting bolt can be more conveniently slid into the threaded hole 2 by using the rolling of the ball 11.

[0026] During work, when the working wheel body 1 in the water turbine needs to be replaced, the old working wheel body 1 is disassembled from the mounting seat at the bottom of the water turbine, then the working wheel body 1 to be replaced is moved vertically downward, the connecting bolt is screwed from the bottom of the mounting seat to the top of the mounting seat, then the connecting port 4 formed below the threaded hole 2 can be more conveniently used to put the connecting bolt into the threaded hole 2, then by using the ball 11 rolling arranged in the guide plate 10, the connecting bolt can be more conveniently screwed into the threaded section 3 in the threaded hole 2 by using the rolling contact with the connecting bolt.

[0027] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A new type of water turbine runner for easy replacement, comprising a runner body (1), characterized in that, The upper and lower of the working wheel body (1) are provided with threaded holes (2), the threaded holes (2) are provided with quick assembly for facilitating bolt insertion, the quick assembly includes connecting port (4), the connecting port (4) is provided in a horn structure, the middle of the threaded hole (2) is provided with a threaded section (3), the connecting port (4) is provided above and below the threaded hole (2), the large diameter end of the two connecting ports (4) respectively faces the upper and lower of the working wheel body (1), the quick assembly further includes a guide unit, the guide unit includes a guide plate (10), the guide plate (10) is movably arranged in the connecting port (4).

2. A new and improved runner for water turbines according to claim 1, characterized in that, The inside of the connecting port (4) is provided with a mounting cavity (5), the inside of the mounting cavity (5) is fixedly connected with a spring (6), the spring (6) is arranged vertically to the inner bottom surface of the mounting cavity (5), one end of the spring (6) away from the mounting cavity (5) is fixedly connected with a sliding plate (7), the sliding plate (7) is slidably arranged in the mounting cavity (5), and the guide plate (10) is arranged on the sliding plate (7).

3. A new and improved runner for water turbines according to claim 2, characterized in that, The outer wall of the sliding plate (7) is slidably connected with the inner wall of the mounting cavity (5), the connecting rod (9) is fixedly connected to the sliding plate (7), the connecting rod (9) is arranged vertically between the sliding plate (7), and one end of the connecting rod (9) away from the spring (6) is fixedly connected with the guide plate (10).

4. A new and improved working bucket of a water turbine according to claim 3, characterized in that, The opening end of the mounting cavity (5) is fixedly connected with a limiting plate (8), the limiting plate (8) is provided with a limiting hole (12), and the outer wall of the connecting rod (9) is in sliding contact with the inner wall of the limiting hole (12).

5. A new and improved working bucket of a water turbine according to claim 4, characterized in that, The guide plate (10) is provided with a mounting groove (101), the mounting groove (101) is provided in a spherical structure, the mounting groove (101) is rollingly connected with a ball (11), the surface of the ball (11) is always higher than the surface of the guide plate (10), and the ball (11) is always located in the inside of the mounting groove (101).

6. A new and improved working bucket of a water turbine, according to claim 5, characterized in that, Each two mounting cavities (5) form a group, and each group of mounting cavities (5) is symmetrically arranged on both sides of the threaded hole (2).

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