A water turbine guide vane structure that is easy to assemble

Abstract

This utility model discloses a conveniently assembled turbine guide vane structure, aiming to provide a convenient turbine guide vane structure that is easy to assemble and adjust in angle. It includes: a mounting base with an upper mounting ring and a lower mounting ring arranged in parallel; a guide vane, the upper end of which is rotatably connected to the upper mounting ring, and the lower end of which is rotatably connected to the lower mounting ring; an adjusting gear ring, which is rotatably sleeved with the lower mounting ring, and an adjusting gear is mounted on the lower end of the guide vane, meshing with the adjusting gear ring; and a drive rod connected to the adjusting gear ring. The advantages of this utility model are: a simple structure that avoids individual angle adjustment of each guide vane, providing an adjustment structure that makes assembly convenient and simple; and simple, convenient, safe, and synchronous operation when adjusting the guide vane angle.

Description

Technical Field

[0001] This utility model relates to the technical field of water turbines, and in particular to a water turbine guide vane structure that is easy to assemble. Background Technology

[0002] A water turbine mainly consists of a volute and guide vanes forming the water intake and guidance system, and also includes a runner, top cover, bottom ring, and draft tube. In the water guidance system, a thruster drives a connecting rod to rotate the guide vanes. As the guide vanes rotate, the amount of water entering the turbine changes, thus altering the turbine's operating efficiency.

[0003] When assembling this type of guide vane structure, each guide vane is equipped with a thruster, which makes the assembly operation inconvenient. At the same time, the operation is also inconvenient and the synchronization is poor when adjusting the guide vane angle.

[0004] To ensure ease of assembly and angle adjustment, improvements are needed. Utility Model Content

[0005] This invention aims to overcome the shortcomings of existing technologies, such as inconvenient assembly and angle adjustment, and provides a convenient turbine guide vane structure that is easy to assemble and adjust.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a turbine guide vane structure that is easy to assemble, comprising: The mounting base is provided with an upper mounting ring and a lower mounting ring, which are arranged in parallel. The guide vane has its upper end rotatably connected to the upper mounting ring and its lower end rotatably connected to the lower mounting ring. An adjusting gear ring is rotatably sleeved with a lower mounting ring, and an adjusting gear is installed at the lower end of the guide vane, the adjusting gear meshing with the adjusting gear ring; A drive rod, which is connected to an adjusting gear ring.

[0007] This guide vane structure includes a mounting base consisting of an upper mounting ring and a lower mounting ring arranged in parallel. The upper and lower mounting rings are held together by a pull rod to ensure stability. A guide vane is installed between the upper and lower mounting rings. An adjusting gear ring is located on the outer side of the lower mounting ring, and an adjusting gear is installed at the lower end of the guide vane. The adjusting gear meshes with the adjusting gear ring. A drive rod, a telescopic hydraulic rod, is located on the outer side of the adjusting gear ring. When the drive rod extends or retracts outward, it drives the adjusting gear ring to rotate, which in turn meshes with the adjusting gear, causing the guide vane to rotate and thus adjusting the guide vane angle. This structure allows for the rotation of several guide vanes by rotating the adjusting gear ring, achieving angle adjustment. The structure is simple, making assembly and installation convenient. Furthermore, the guide vane angle can be adjusted entirely by rotating the adjusting gear ring, making guide vane angle adjustment easy.

[0008] Preferably, the guide vane is equipped with mounting shafts at both ends, and the upper and lower mounting rings are each provided with a plurality of mounting holes. The mounting shafts are connected to the mounting holes via bearings. The guide vane consists of blades and mounting shafts. The mounting shafts are inserted into the blades. Mounting holes are provided on the upper and lower mounting rings, and bearings are installed within these holes. The mounting shafts at both ends of the guide vane are inserted into the bearings, completing the installation of the guide vane. This structure facilitates the installation of the guide vane, and the bearings also allow for easy adjustment of the guide vane angle, making operation simple and convenient.

[0009] Preferably, the lower end of the inner wall of the adjusting gear ring is provided with a snap-fit ​​groove, and the outer wall of the lower mounting ring is provided with a snap-fit ​​ring, which is embedded in the snap-fit ​​groove. Specifically, the snap-fit ​​groove on the lower end of the inner wall of the adjusting gear ring and the snap-fit ​​ring on the outer wall of the lower mounting ring, which can be embedded in the snap-fit ​​groove, ensures stable rotation of the adjusting gear ring during adjustment, facilitates the meshing of the adjusting gear ring and the adjusting gear, and facilitates the angle adjustment of the guide vane.

[0010] Preferably, the drive rod is equipped with a hydraulic rod, the front end of which is connected to a hinge block, and the hinge block is connected to a connecting block. A mounting block is provided on the outer wall of the adjusting gear ring, and the connecting block is hinged to the mounting block. Specifically, the drive rod is equipped with a hydraulic rod capable of extension and retraction. A hinge block is mounted at the front end of the hydraulic rod, and the end of the hinge block is hinged to a connecting block. Simultaneously, the connecting block is hinged to the mounting block on the outer side of the adjusting gear ring. This structure ensures that when the hydraulic rod extends outwards, its hinged structure guarantees the rotation of the adjusting gear ring, thereby ensuring the angle adjustment of the guide vane. This structure is simple, easy to assemble and install, and convenient to operate during angle adjustment.

[0011] Preferably, the top of the upper mounting ring is provided with several fixing plates, which are located on one side of the mounting hole. A spiral spring is connected to the upper end of the guide vane's mounting shaft, and the spiral spring is connected to the fixing plates. Specifically, the upper mounting ring has several fixing plates on its top, located on one side of the mounting hole. After the upper end of the guide vane's mounting shaft is inserted into the mounting hole, the shaft extends beyond the surface of the upper mounting ring. A spiral spring is mounted on this shaft, and its outer end is connected to the fixing plates. This allows the spiral spring to assist in adjusting the guide vane's angle, making angle adjustment simple and convenient. Furthermore, this structure is easy to install.

[0012] Preferably, a limiting block is provided in the snap-fit ​​groove, and a limiting groove is provided in the snap-fit ​​ring, with the limiting block embedded in the limiting groove. Specifically, a limiting block is provided on the inner wall of the snap-fit ​​groove, and a limiting groove is provided on the outer side of the snap-fit ​​ring. The limiting block is placed in the limiting groove, and the rotation angle of the gear ring can be controlled by the movement distance of the limiting block within the limiting groove. This structure serves as a limiting mechanism, preventing excessive rotation of the guide vane and potential impact damage, thus providing protection.

[0013] The advantages of this utility model are: the structure is simple and avoids the need to adjust the angle of each guide vane individually, providing an adjustment structure that makes assembly convenient and simple; when adjusting the guide vane angle, the operation is simple and convenient, and the angle adjustment is safe and has good synchronization. Attached Figure Description

[0014] Figure 1 This is a three-dimensional view of the present invention; Figure 2 This is a sectional view of the present invention; Figure 3 This is a cross-sectional view of the limiting block and limiting groove of this utility model.

[0015] In the attached diagram: 1. Mounting base; 2. Guide vane; 3. Adjusting gear ring; 4. Adjusting gear; 5. Drive rod; 6. Scroll spring; 10. Upper mounting ring; 11. Lower mounting ring; 12. Mounting hole; 13. Snap-fit ​​ring; 14. Fixing plate; 15. Limiting groove; 20. Mounting shaft; 30. Snap-fit ​​groove; 31. Mounting block; 32. Limiting stop; 50. Hydraulic rod; 51. Hinge block; 52. Connecting block. Detailed Implementation

[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present application or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0017] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0018] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0019] Example 1, such as Figure 1-3 As shown, a turbine guide vane structure that is easy to assemble includes: a mounting base 1, wherein the mounting base 1 is provided with an upper mounting ring 10 and a lower mounting ring 11, the upper mounting ring 10 and the lower mounting ring 11 being arranged in parallel; a guide vane 2, the upper end of the guide vane 2 being rotatably connected to the upper mounting ring 10, and the lower end of the guide vane 2 being rotatably connected to the lower mounting ring 11; an adjusting gear ring 3, the adjusting gear ring 3 being rotatably sleeved with the lower mounting ring 11, and an adjusting gear 4 being installed at the lower end of the guide vane 2, the adjusting gear 4 meshing with the adjusting gear ring 3; and a drive rod 5, the drive rod 5 being connected to the adjusting gear ring 3.

[0020] The guide vane 2 is equipped with mounting shafts 20 at both ends. The upper mounting ring 10 and the lower mounting ring 11 are respectively provided with a plurality of mounting holes 12. The mounting shafts 20 are connected to the mounting holes 12 by bearings.

[0021] The lower end of the inner wall of the adjusting gear ring 3 is provided with a snap-fit ​​groove 30, and the outer wall of the lower mounting ring 11 is provided with a snap-fit ​​ring 13, which is embedded in the snap-fit ​​groove 30.

[0022] The drive rod 5 is equipped with a hydraulic rod 50, the front end of which is connected to a hinge block 51, and the hinge block 51 is connected to a connecting block 52. The outer wall of the adjusting gear ring 3 is provided with a mounting block 31, and the connecting block 52 is hinged to the mounting block 31.

[0023] The top of the upper mounting ring 10 is provided with several fixing plates 14, which are located on one side of the mounting hole 12. The upper end of the guide vane 2 is connected to the mounting shaft 20 with a spiral spring 6, which is connected to the fixing plate 14.

[0024] A limiting block 32 is provided in the snap-fit ​​groove 30, and a limiting groove 15 is provided in the snap-fit ​​ring 13, with the limiting block 32 embedded in the limiting groove 15.

[0025] The working principle of this utility model is as follows: Figure 1-3 As shown, the guide vane 2 structure includes a mounting base 1, which is composed of an upper mounting ring 10 and a lower mounting ring 11 arranged in parallel. The upper mounting ring 10 and the lower mounting ring 11 are pulled together by a pull rod to ensure their stability. A guide vane 2 is installed between the upper mounting ring 10 and the lower mounting ring 11. An adjusting gear ring 3 is provided on the outer side of the lower mounting ring 11, and an adjusting gear 4 is installed at the lower end of the guide vane 2. The adjusting gear 4 meshes with the adjusting gear ring 3. A drive rod 5, which is a telescopic hydraulic rod 50, is provided on the outer side of the adjusting gear ring 3. When the drive rod 5 extends or retracts outward, it can drive the adjusting gear ring 3 to rotate, thereby meshing with the adjusting gear 4 and rotating the guide vane 2, thus adjusting the angle of the guide vane 2. In this structure, the rotation of the adjusting gear ring 3 can drive the rotation of several guide vanes 2 to complete the angle adjustment. This structure is simple, making assembly and installation convenient. Furthermore, the angle of the guide vane 2 can be completely adjusted simply by rotating the adjusting gear ring 3, making the angle adjustment of the guide vane 2 convenient.

[0026] The guide vane 2 consists of a blade and a mounting shaft 20. The mounting shaft 20 is inserted into the blade. Mounting holes 12 are respectively provided on the upper mounting ring 10 and the lower mounting ring 11. Bearings are installed in the mounting holes 12. The mounting shafts 20 at the upper and lower ends of the guide vane 2 are respectively inserted into the bearings to complete the installation of the guide vane 2. This structure facilitates the installation of the guide vane 2. At the same time, due to the function of the bearings, the angle of the guide vane 2 can be easily adjusted. The operation is simple and convenient.

[0027] The adjusting gear ring 3 has a snap-fit ​​groove 30 at the lower end of its inner wall and a snap-fit ​​ring 13 on the outer wall of the lower mounting ring 11. The snap-fit ​​ring 13 can be embedded in the snap-fit ​​groove 30. This structure can ensure that the adjusting gear ring 3 rotates stably during adjustment, facilitates the meshing of the adjusting gear ring 3 and the adjusting gear 4, and facilitates the angle adjustment of the guide vane 2.

[0028] The drive rod 5 is equipped with a hydraulic rod 50, which can extend and retract. A hinge block 51 is installed at the front end of the hydraulic rod 50, and a connecting block 52 is hinged to the end of the hinge block 51. At the same time, the connecting block 52 is hinged to the mounting block 31 on the outside of the adjusting gear ring 3. This structure ensures that when the hydraulic rod 50 extends outward, the hinged structure can ensure the rotation of the adjusting gear ring 3, thereby ensuring the angle adjustment of the guide vane 2. The structure is simple, easy to assemble and install, and convenient to operate when adjusting the angle.

[0029] The upper mounting ring 10 has several fixing plates 14 on its top. The fixing plates 14 are located on one side of the mounting hole 12. After the mounting shaft 20 at the upper end of the guide vane 2 is inserted into the mounting hole 12, the mounting shaft 20 extends beyond the surface of the upper mounting ring 10. A spiral spring 6 is installed on the mounting shaft 20. The outer end of the spiral spring 6 is connected to the fixing plate 14. When the guide vane 2 is adjusted, the spiral spring 6 can assist in the angle adjustment of the guide vane 2, making the angle adjustment operation simple and convenient. At the same time, the structure is easy to install.

[0030] A limiting block 32 is provided on the inner wall of the snap-fit ​​groove 30, and a limiting groove 15 is provided on the outer side of the snap-fit ​​ring 13. The limiting block 32 is placed in the limiting groove 15. The rotation angle of the gear ring 3 can be controlled by the movement distance of the limiting block 32 in the limiting groove 15. This structure can play a limiting role to prevent the guide vane 2 from rotating too much and being damaged by impact. This structure can play a protective role.

[0031] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A turbine guide vane structure that is easy to assemble, characterized in that, include: Mounting base (1), the mounting base (1) is provided with an upper mounting ring (10) and a lower mounting ring (11), the upper mounting ring (10) and the lower mounting ring (11) are arranged in parallel; Guide vane (2), the upper end of the guide vane (2) is rotatably connected to the upper mounting ring (10), and the lower end of the guide vane (2) is rotatably connected to the lower mounting ring (11); Adjusting gear ring (3), the adjusting gear ring (3) is rotatably sleeved with the lower mounting ring (11), and the lower end of the guide vane (2) is equipped with an adjusting gear (4), the adjusting gear (4) meshing with the adjusting gear ring (3); Drive rod (5), which is connected to adjusting gear ring (3).

2. The turbine guide vane structure for easy assembly according to claim 1, characterized in that, The guide vane (2) is equipped with mounting shafts (20) at both ends. The upper mounting ring (10) and the lower mounting ring (11) are respectively provided with a number of mounting holes (12). The mounting shafts (20) and the mounting holes (12) are connected by bearings.

3. The turbine guide vane structure for easy assembly according to claim 1, characterized in that, The lower end of the inner wall of the adjusting gear ring (3) is provided with a snap-fit ​​groove (30), and the outer wall of the lower mounting ring (11) is provided with a snap-fit ​​ring (13), which is embedded in the snap-fit ​​groove (30).

4. The turbine guide vane structure for easy assembly according to claim 1, characterized in that, The drive rod (5) is provided with a hydraulic rod (50), the front end of the hydraulic rod (50) is connected to a hinge block (51), the hinge block (51) is connected to a connecting block (52), the outer side wall of the adjusting gear ring (3) is provided with a mounting block (31), and the connecting block (52) is hinged to the mounting block (31).

5. The turbine guide vane structure for easy assembly according to claim 2, characterized in that, The top of the upper mounting ring (10) is provided with several fixing plates (14), the fixing plates (14) are located on one side of the mounting hole (12), and the mounting shaft (20) at the upper end of the guide vane (2) is connected to a spiral spring (6), the spiral spring (6) is connected to the fixing plate (14).

6. The turbine guide vane structure for easy assembly according to claim 3, characterized in that, The snap-fit ​​groove (30) is provided with a limit stop (32), the snap-fit ​​ring (13) is provided with a limit groove (15), and the limit stop (32) is embedded in the limit groove (15).

Images