Hydropower station drainage flow secondary power generation device

Abstract

The utility model relates to the technical field of hydroelectric generation, and discloses a hydropower station drainage flow secondary power generation device which comprises a water inlet pipe, a bearing seat, a mounting groove, a driving shaft and a supporting seat, a spherical groove is formed in the supporting seat, a movable clamping ball is movably clamped in the spherical groove, and a supporting spring is arranged in the spherical groove. According to the utility model, the driving shaft is positioned in the mounting groove in the bearing seat and is connected in a buffering manner, when the blades at the end part of the driving shaft are pressed to vibrate, the supporting seats outside the driving shaft can move in the mounting groove at the same time, and when the two groups of movable clamping balls extrude each other, the driving shaft is driven to rotate. The movable clamping balls can extrude the supporting springs, the multiple sets of supporting springs can correspondingly buffer and counteract the acting force transmitted by the driving shaft and support and pull the driving shaft at the same time, dislocation is avoided, and therefore the service life of the driving shaft and the service life of the supporting base are prolonged, and the stable operation and use effect of power generation equipment is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of hydropower generation, in particular to a secondary power generation device for water discharge flow of a hydropower station. Background Art

[0002] my country is one of the countries with abundant water resources in the world. With the increasing depletion of non-renewable energy in the world and the improvement of my country's social level, water resources, a clean and pollution-free energy, have been well developed and applied in my country. The total installed capacity of hydropower generation has been continuously increased, making my country a powerful country in the world in hydropower generation. Hydropower generation uses water with potential energy in rivers, lakes, etc. located at high places to flow to lower places, converting the potential energy contained in it into kinetic energy of turbines, and then using turbines as the original power to drive generators to generate electricity.

[0003] When the tail water discharged from a hydropower station is collected for secondary use through a power generation device, the impact force between the water source and the blades will be more turbulent because the tail water is discharged downward at a vertical angle. The drive shaft end of the blade itself will also generate a greater force when connected to the bearing seat. When the drive shaft runs for a long time, it will easily cause damage to the shaft body, affecting the normal operation of the power generation equipment. For this reason, we propose a secondary power generation device for the discharge water of a hydropower station. Utility Model Content

[0004] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a secondary power generation device for the discharge flow of a hydropower station.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a secondary power generation device for the discharge flow of a hydropower station, comprising a water inlet pipe and a bearing seat, a mounting groove is provided inside the bearing seat, a driving shaft penetrating the water inlet pipe is arranged inside the mounting groove, a support seat is rotatably connected to the periphery of the driving shaft and the inner side of the mounting groove, a spherical groove is provided inside the support seat, the spherical groove is a three-quarter spherical hollow groove body, a movable clamping ball is movably connected inside the spherical groove, a support spring that is supported and connected with the movable clamping ball is fixedly installed on the inner side of the spherical groove, and every two groups of the movable clamping balls are supported and connected by support rods.

[0006] Preferably, when the drive shaft is located inside the mounting groove and moves, the support seat outside the drive shaft can form a supporting buffer state at any angle when the supporting spring is squeezed by the movable locking ball.

[0007] Preferably, a threaded groove is provided on the inner side of the mounting groove, a sealing sleeve is provided on the outer side of the driving shaft, the inner side of the sealing sleeve is connected to a sealing sleeve gasket which is sealed and molded with the outer side of the driving shaft through a bearing ring, and the sealing sleeve gasket itself has deformation characteristics.

[0008] Preferably, the outer periphery of the sealing sleeve is provided with mounting threads, and the outer periphery of the sealing sleeve is connected and matched with the inner threads of the thread groove through the mounting threads.

[0009] Preferably, the surface of the mounting thread is covered with a buffer pad, and the buffer pad itself has deformation characteristics.

[0010] Preferably, when the sealing sleeve is connected to the inner thread of the thread groove through the mounting thread, the buffer gasket on the surface of the mounting thread is in a bite-and-extrude state between the sealing sleeve and the thread groove.

[0011] Beneficial Effects

[0012] The utility model provides a secondary power generation device for the discharge flow of a hydropower station, which has the following beneficial effects:

[0013] 1. A secondary power generation device for the discharge flow of a hydropower station. In this article, the drive shaft is located in the mounting groove inside the bearing seat and is connected in a buffering manner, which changes the traditional gap-type tight connection. When the blades at the end of the drive shaft vibrate under pressure, the support seat outside the drive shaft will move simultaneously inside the mounting groove, and the two groups of support seats on the inner side of the mounting groove and the outer periphery of the drive shaft support each other through the support rods on the movable clamping balls. When the two groups of movable clamping balls are squeezed against each other, the movable clamping balls can be squeezed against the multiple groups of support springs inside the spherical groove, and the multiple groups of support springs can buffer and offset the force transmitted by the drive shaft and support and pull the drive shaft at the same time to avoid dislocation. In this way, the direct force resonance between the bearing and the bearing seat on the outer periphery of the traditional drive shaft can be changed to produce damage, thereby extending the service life of the drive shaft and the support seat themselves, and ensuring the stable operation and use of the power generation equipment.

[0014] 2. In a secondary power generation device for the discharge flow of a hydropower station, the sealing sleeve plate sleeved on the outside of the drive shaft can be threadedly encapsulated by installing threads and the inner side of the thread groove, and the inner side of the sealing sleeve plate forms a covering and sealing connection with the outer periphery of the drive shaft through a sealing sleeve gasket, and the sealing sleeve gasket itself has a deformation characteristic. While the sealing sleeve gasket seals the water source, it can deform and move accordingly according to the movement of the drive shaft, and the sealing sleeve gasket itself can also support and pull the drive shaft through its own characteristics, thereby ensuring the stable operation of the drive shaft and avoiding serious dislocation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0016] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 A magnified view of middle;

[0019] Figure 3 It is a partial schematic diagram of the support seat of the utility model;

[0020] Figure 4 For this utility model Figure 1 Enlarged view of middle B;

[0021] Figure 5 It is a partial schematic diagram of the sealing sleeve of the utility model.

[0022] Legend:

[0023] 1. Water inlet pipe; 2. Bearing seat; 3. Mounting groove; 4. Drive shaft; 5. Support seat; 6. Spherical groove; 7. Movable card ball; 8. Support spring; 9. Support rod; 10. Threaded groove; 11. Sealing sleeve; 12. Mounting thread; 13. Sealing sleeve gasket; 14. Buffer pad. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1: A secondary power generation device for water discharge flow from a hydropower station, such as Figure 1 , Figure 2 , Figure 3As shown, it includes a water inlet pipe 1 and a bearing seat 2, a mounting groove 3 is provided inside the bearing seat 2, a driving shaft 4 penetrating the water inlet pipe 1 is arranged inside the mounting groove 3, the periphery of the driving shaft 4 and the inner side of the mounting groove 3 are rotatably connected with a support seat 5, a spherical groove 6 is provided inside the support seat 5, the spherical groove 6 is a three-quarter spherical hollow groove body, a movable clamping ball 7 is movably connected inside the spherical groove 6, a support spring 8 supporting and connecting with the movable clamping ball 7 is fixedly installed on the inner side of the spherical groove 6, and every two groups of movable clamping balls 7 are supported and connected by a support rod 9.

[0026] Furthermore, when the driving shaft 4 is located inside the mounting groove 3 and moves, the support seat 5 outside the driving shaft 4 can form a supporting buffer state at any angle when the movable locking ball 7 squeezes the supporting spring 8.

[0027] Embodiment 2: A secondary power generation device for water discharge from a hydropower station, such as Figure 1 , Figure 4 , Figure 5 As shown, it includes a water inlet pipe 1 and a bearing seat 2, a mounting groove 3 is provided inside the bearing seat 2, a driving shaft 4 penetrating the water inlet pipe 1 is arranged inside the mounting groove 3, the periphery of the driving shaft 4 and the inner side of the mounting groove 3 are rotatably connected with a support seat 5, a spherical groove 6 is provided inside the support seat 5, the spherical groove 6 is a three-quarter spherical hollow groove body, a movable clamping ball 7 is movably connected inside the spherical groove 6, a support spring 8 supporting and connecting with the movable clamping ball 7 is fixedly installed on the inner side of the spherical groove 6, and every two groups of movable clamping balls 7 are supported and connected by a support rod 9.

[0028] Furthermore, when the driving shaft 4 is located inside the mounting groove 3 and moves, the support seat 5 outside the driving shaft 4 can form a supporting buffer state at any angle when the movable locking ball 7 squeezes the supporting spring 8.

[0029] Furthermore, a threaded groove 10 is opened on the inner side of the mounting groove 3, a sealing sleeve 11 is sleeved on the outer side of the driving shaft 4, and a sealing sleeve gasket 13 is connected to the inner side of the sealing sleeve 11 through a bearing ring and is sealed and molded with the outer side of the driving shaft 4, and the sealing sleeve gasket 13 itself has deformation characteristics.

[0030] Furthermore, a mounting thread 12 is provided on the periphery of the sealing sleeve 11 , and the periphery of the sealing sleeve 11 is threadably connected and matched with the inner thread of the thread groove 10 via the mounting thread 12 .

[0031] Furthermore, the surface of the mounting thread 12 is covered with a buffer pad 14 , and the buffer pad 14 itself has deformation characteristics.

[0032] Furthermore, when the sealing sleeve 11 is threadedly connected to the inner part of the thread groove 10 through the mounting thread 12 , the buffer pad 14 on the surface of the mounting thread 12 is in a bite-and-extrusion state between the sealing sleeve 11 and the thread groove 10 .

[0033] The working principle of this utility model:

[0034] The drive shaft 4 is located in the mounting groove 3 inside the bearing seat 2 and is connected in a buffering manner, which changes the traditional gap-type tight connection. When the blades at the end of the drive shaft 4 vibrate under pressure, the support seat 5 outside the drive shaft 4 will move simultaneously inside the mounting groove 3, and the two groups of support seats 5 on the inner side of the mounting groove 3 and the outer side of the drive shaft 4 are supported by the support rod 9 on the movable clamping ball 7. When the two groups of movable clamping balls 7 are squeezed against each other, the movable clamping balls 7 can be squeezed against the multiple groups of support springs 8 inside the spherical groove 6, and the multiple groups of support springs 8 can buffer and offset the force transmitted by the drive shaft 4 accordingly and support and pull the drive shaft 4 at the same time to avoid dislocation. In this way, the direct force resonance between the bearing and the bearing seat on the outer periphery of the traditional drive shaft can be changed to produce damage, thereby extending the service life of the drive shaft 4 and the support seat 5 themselves, and ensuring the stable operation and use of the power generation equipment.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A secondary power generation device for water discharge flow of a hydropower station, comprising a water inlet pipe (1) and a bearing seat (2), wherein a mounting groove (3) is provided inside the bearing seat (2), and a driving shaft (4) penetrating the water inlet pipe (1) is provided inside the mounting groove (3), characterized in that: The periphery of the driving shaft (4) and the inner side of the mounting groove (3) are both rotatably connected with a support seat (5), the interior of the support seat (5) is provided with a spherical groove (6), the spherical groove (6) is a three-quarter spherical hollow groove body, the interior of the spherical groove (6) is movably connected with an active locking ball (7), the inner side of the spherical groove (6) is fixedly installed with a support spring (8) that is supported and connected with the active locking ball (7), and every two groups of the active locking balls (7) are supported and connected by a support rod (9).

2. A secondary power generation device for discharge flow of a hydropower station according to claim 1, characterized in that: When the drive shaft (4) is located inside the mounting groove (3) and moves, the support seat (5) outside the drive shaft (4) can form a support buffer state at any angle by squeezing the support spring (8) through the movable clamping ball (7).

3. A secondary power generation device for discharge flow of a hydropower station according to claim 2, characterized in that: A threaded groove (10) is provided on the inner side of the installation groove (3), a sealing sleeve (11) is sleeved on the outer side of the drive shaft (4), and a sealing sleeve gasket (13) is connected to the outer side of the drive shaft (4) through a bearing ring on the inner side of the sealing sleeve (11).

4. A secondary power generation device for discharge flow of a hydropower station according to claim 3, characterized in that: The outer periphery of the sealing sleeve (11) is provided with a mounting thread (12), and the outer periphery of the sealing sleeve (11) is threadably connected with the inner thread of the thread groove (10) via the mounting thread (12).

5. A secondary power generation device for discharge flow of a hydropower station according to claim 4, characterized in that: The surface of the mounting thread (12) is covered with a buffer pad (14), and the buffer pad (14) itself has a deformation property.

6. A secondary power generation device for discharge flow of a hydropower station according to claim 5, characterized in that: When the sealing sleeve (11) is connected to the inner thread of the thread groove (10) through the mounting thread (12), the buffer pad (14) on the surface of the mounting thread (12) is in a bite-and-extrusion state between the sealing sleeve (11) and the thread groove (10).

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