Turbine for hydroelectric power generation equipment

Abstract

The turbine for the hydroelectric power generation equipment comprises a shell, a water outlet pipe is arranged at the bottom end of the shell, two sets of parallel water inlet pipes are arranged at the end, away from the water outlet pipe, of the shell, and an inclined plate is arranged in the shell and located between the water inlet pipes and the water outlet pipe. Cleaning net barrels are slidably connected into the water inlet pipes, sliding rails parallel to each other in pairs are arranged at the ends, close to the two water inlet pipes, of the shell, limiting strips are arranged in the middles of the opposite inner sides of the sliding rails, and baffles are slidably connected between the sliding rails in pairs. The cleaning net barrel is arranged on the water inlet pipe to effectively intercept impurities, equipment reliability is improved, the fault probability is reduced, the service life is prolonged, the water inlet pipe can be switched through the movable baffle during cleaning to guarantee power generation continuity, and meanwhile reliable control and moving stability of water flow are guaranteed through accurate control of the baffle and cooperation of the rolling wheels and other components. And the operation stability and the power generation quality and stability of the turbine are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydropower generation, in particular to a turbine used in hydropower generation equipment. Background Art

[0002] As the global demand for clean energy continues to grow, hydropower has been widely used as an important renewable energy generation method. However, traditional hydropower equipment has some problems during operation.

[0003] For example, impurities in the water flow, such as mud, branches, and leaves, can easily enter the turbine, causing damage to key components such as blades and impellers, reducing the efficiency and service life of the turbine. In addition, when the water inlet pipe needs to be cleaned, it is usually necessary to stop the operation of the entire hydropower generation system, which will cause power generation interruptions and affect the stability of the power supply.

[0004] To this end, we propose a turbine for a hydroelectric power plant. Utility Model Content

[0005] The main purpose of the present utility model is to provide a turbine for hydroelectric power generation equipment, in order to prevent impurities in the water flow from entering the interior of the turbine and causing damage to key components such as blades and impellers, reducing the efficiency and service life of the turbine, and avoiding stopping the operation of the entire hydroelectric power generation system when cleaning the water inlet pipe, resulting in power generation interruption and affecting the stability of the power supply, thereby improving the reliability and service life of the equipment, ensuring the continuity and stability of power generation, and effectively solving the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A turbine for hydroelectric power generation equipment comprises a housing, a water outlet pipe is provided at the bottom end of the housing, two sets of parallel water inlet pipes are provided at one end of the housing away from the water outlet pipe, an inclined plate is provided inside the housing and between the water inlet pipe and the water outlet pipe, a cleaning net cylinder is slidably connected to the water inlet pipe, two mutually parallel slide rails are provided at one end of the housing close to the two water inlet pipes, and limit bars are provided at the middle portions of the opposite inner sides of the slide rails, a baffle is slidably connected between the two slide rails, and the two baffles are both in contact with one end of the water outlet pipe;

[0008] Two sets of relatively parallel connecting frames are transversely arranged on the outer sides of the two baffles, and the connecting frames are fixedly connected to fixed shafts. The outer sides of the fixed shafts are rotatably connected to rollers through bearings. The rollers are provided with limiting grooves that are compatible with the limiting strips, and the rollers are clamped into the inner sides of the slide rails.

[0009] A driving motor is fixedly installed on the top of the shell, and the output end of the driving motor passes through the shell and is fixedly connected to a threaded rod. The outer surface of the threaded rod is threadedly connected to a screw sleeve, and a fixing block is provided on the outside of the screw sleeve. One side of the fixing block is fixedly connected to one end of the baffle.

[0010] By adopting the above technical solution, as water flows into the interior of the housing from the two sets of parallel water inlet pipes, the cleaning net cylinder is made of high-strength and corrosion-resistant materials. Its fine mesh structure can effectively intercept various impurities in the water, such as mud, branches, leaves, etc., thus preventing impurities from entering the interior of the turbine and avoiding damage to key components such as the turbine blades and impeller, thereby ensuring the normal operation of the turbine and extending its service life.

[0011] During the baffle control stage, the start of the drive motor accurately drives the threaded rod to rotate. Since the threaded connection between the threaded rod and the sleeve has a high precision, the sleeve can move stably along the axial direction when the threaded rod rotates. This precise movement method ensures that the position control of the baffle is accurate. The matching design of the connecting frame, fixed shaft, roller, slide rail and limit strip on the outside of the baffle further enhances the stability of the baffle movement. The roller cooperates closely with the limit strip on the slide rail through the limit groove, which not only limits the moving direction of the roller and prevents it from deviating from the track, but also can withstand various lateral forces exerted on the baffle during movement, ensuring that the baffle always moves smoothly in a specific direction. When the two baffles move to fit one end of the outlet pipe, they can tightly block the outflow of water and achieve reliable control of the water flow.

[0012] During the water outflow stage, when the baffle is opened, the water flows through the other components of the turbine in the casing to achieve energy conversion, and then flows out from the outlet pipe at the bottom of the casing. In this process, the turbine converts the kinetic energy of the water flow into mechanical energy, which in turn drives the generator to generate electricity. When one of the water inlet pipes needs to be cleaned, it can be shut off and the other water inlet pipe can be replaced to work without delaying the power generation work. The cleaning net cylinder in the water inlet pipe is taken out and the intercepted water inlet pipe is cleaned. This design enables the hydropower equipment to continue to operate during the cleaning of the water inlet pipe, ensuring the continuity of power generation. At the same time, the sliding connection design of the cleaning net cylinder facilitates its disassembly and installation, and improves the efficiency of the cleaning operation. This turbine for hydropower equipment achieves effective control of water flow, impurity filtration and continuity of power generation through reasonable structural design and precise control methods, providing reliable technical support for hydropower generation.

[0013] Furthermore, one end of the two cleaning net cylinders close to the baffle is fixedly connected to a pull rod, and the other end of the two pull rods is fixedly connected to a pull frame.

[0014] By adopting the above technical solution, after the interception is completed, the operator can operate through the pulling frame, which is connected to the cleaning net cylinder through the pulling rod. When the pulling frame is pulled, the pulling rod will drive the cleaning net cylinder to slide along the axial direction of the water inlet pipe in the water inlet pipe. Since the cleaning net cylinder and the water inlet pipe are in a sliding connection, under the action of the pulling force, the cleaning net cylinder can be smoothly pulled out of the water inlet pipe.

[0015] Furthermore, inner walls of the two water inlet pipes at one end close to the pulling frame are provided with a retaining ring for limiting the cleaning net cylinder.

[0016] By adopting the above technical solution, when the cleaning net is installed in the water inlet pipe, the retaining ring can prevent the cleaning net from sliding excessively to the outside of the water inlet pipe under the impact of the water flow. Under normal working conditions, water flows into the water inlet pipe, the cleaning net filters impurities, and the retaining ring ensures that the cleaning net always remains in the appropriate position and stably performs the filtering function.

[0017] Furthermore, a water outlet hole is provided on the cleaning net cylinder away from the pulling frame.

[0018] By adopting the above technical solution, the water outlet hole allows the filtered water to flow out of the cleaning net cylinder smoothly and continue to flow into the interior of the shell.

[0019] Furthermore, the two end surfaces of the water inlet pipe in contact with the baffle are wedge-shaped surfaces parallel to each other.

[0020] By adopting the above technical solution, due to the special shape of the wedge surface, the contact area gradually increases as the baffle moves, and the wedge surface can guide the baffle to better fit the end face of the water inlet pipe, thereby effectively improving the sealing and preventing water leakage in the interception state; compared with vertical plane contact, the wedge surface makes the baffle smoother when moving, reduces the power required to drive the motor, and improves the energy efficiency of the system; when the interception operation is required, the baffle can more easily find the position of the water inlet pipe and accurately fit along the direction of the wedge surface to ensure a reliable interception effect; at the same time, when the interception state is released, the wedge surface also helps the baffle to quickly detach from the water inlet pipe, reducing operation time.

[0021] Furthermore, a generator is fixedly installed inside the water outlet pipe, and a turbine is fixedly connected to the output shaft of the generator.

[0022] By adopting the above technical solution, when water flows out of the casing through the outlet pipe, the kinetic energy of the water flow acts on the turbine, driving the turbine to rotate. Since the turbine is fixedly connected to the output shaft of the generator, the rotation of the turbine drives the rotor of the generator to rotate in the magnetic field. According to the principle of electromagnetic induction, the generator converts the kinetic energy of the water flow into electrical energy.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] (1) The utility model relates to a turbine for hydroelectric power generation equipment. The turbine of this patent is provided with a cleaning net in the water inlet pipe, which can effectively intercept impurities in the water flow and prevent the impurities from entering the interior of the turbine and causing damage to key components such as blades and impellers. This greatly improves the reliability of the equipment and reduces the probability of equipment failure. The cleaning net is made of high-strength and corrosion-resistant materials and has good durability. At the same time, through the movable baffle, the water inlet pipe can be cleaned without stopping power generation, ensuring the continuous operation of the equipment, which extends the service life of the turbine and reduces the maintenance cost of the equipment.

[0025] (2) The utility model provides a turbine for hydroelectric power generation equipment. When one of the water inlet pipes needs to be cleaned, the water inlet pipe can be shut off by controlling the baffle, and the other water inlet pipe can be switched to operate at the same time without delaying the power generation work. This design enables the hydroelectric power generation equipment to continue to operate during the process of cleaning the water inlet pipe, thereby ensuring the continuity of power generation.

[0026] (3) The utility model relates to a turbine for hydroelectric power generation equipment. The movement of the baffle is precisely controlled by a driving motor, a threaded rod, a screw sleeve and other components, thereby ensuring the accurate position of the baffle and realizing reliable control of the water flow. At the same time, the coordinated design of the roller, the slide rail, the limit bar and other components ensures the stability of the movement of the baffle, which helps to improve the operational stability of the turbine and ensure the quality and stability of power generation. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The utility model is a schematic structural diagram of a turbine for hydropower generation equipment.

[0028] Figure 2 The utility model is a schematic diagram of the internal structure of a turbine for hydropower generation equipment.

[0029] Figure 3 The utility model is a turbine for hydropower generation equipment Figure 2 Enlarged view of point A in the middle.

[0030] Figure 4 This is a schematic diagram of the structure of a turbine for hydropower generation equipment before closing according to the present invention.

[0031] Figure 5 The utility model is a closed front sectional view of a turbine for hydroelectric power generation equipment.

[0032] Figure 6 This is a closed rear sectional view of a turbine for hydroelectric power generation equipment according to the present invention.

[0033] Figure 7The utility model is a schematic diagram of the connection structure of the roller and the slide rail of the turbine used in the hydropower generation equipment.

[0034] In the figure: 1. outer shell; 2. water inlet pipe; 3. cleaning net cylinder; 4. limit bar; 5. roller; 6. limit groove; 7. fixed shaft; 8. baffle; 9. connecting frame; 10. drive motor; 11. threaded rod; 12. screw sleeve; 13. fixing block; 14. pull rod; 15. pull frame; 16. water outlet pipe; 17. inclined plate; 18. generator; 19. turbine; 20. retaining ring; 21. slide rail; 22. water outlet hole. DETAILED DESCRIPTION

[0035] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0036] In order to prevent impurities in the water flow from entering the turbine and damaging key components such as blades and impellers, reducing the efficiency and service life of the turbine, and to avoid stopping the operation of the entire hydropower generation system when cleaning the water inlet pipe, resulting in power interruption and affecting the stability of power supply, thereby improving the reliability and service life of the equipment, such as Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 As shown, a turbine for hydroelectric power generation equipment includes a housing 1, a water outlet pipe 16 is opened at the bottom end of the housing 1, and two sets of parallel water inlet pipes 2 are opened at the end of the housing 1 away from the water outlet pipe 16. An inclined plate 17 is provided inside the housing 1 and between the water inlet pipe 2 and the water outlet pipe 16. A cleaning net cylinder 3 is slidably connected to the water inlet pipe 2. Two mutually parallel slide rails 21 are provided at one end of the housing 1 close to the two water inlet pipes 2, and a limit bar 4 is provided at the middle part of the opposite inner side of the slide rails 21. A baffle 8 is slidably connected between the two slide rails 21, and the two baffles 8 are both in contact with one end of the water outlet pipe 16;

[0037] Two sets of relatively parallel connecting frames 9 are transversely arranged on the outside of the two baffles 8. A fixed shaft 7 is fixedly connected to each connecting frame 9. A roller 5 is rotatably connected to the outside of the fixed shaft 7 through a bearing. A limiting groove 6 is provided on the roller 5 to match the limiting strip 4, and the roller 5 is clamped into the inner side of the slide rail 21.

[0038] A driving motor 10 is fixedly installed on the top of the shell 1, and the output end of the driving motor 10 passes through the shell 1 and is fixedly connected to a threaded rod 11. The external thread of the threaded rod 11 is threadedly connected to a screw sleeve 12. A fixing block 13 is provided on the outside of the screw sleeve 12, and one side of the fixing block 13 is fixedly connected to one end of the baffle 8.

[0039] During use, as water flows from the two parallel water inlet pipes 2 into the housing 1, the cleaning net 3 is made of high-strength and corrosion-resistant material. Its fine mesh structure can effectively intercept various impurities in the water, such as mud, sand, branches, leaves, etc., thereby preventing impurities from entering the turbine and damaging key components such as the turbine blades and runner, thereby ensuring the normal operation of the turbine and extending its service life.

[0040] The cam 12 is rotated by the spring 11 and the spring 12 is rotated by the spring 11, and the cam 12 is rotated by the spring 11. When the cam 12 is rotated, the cam 12 is rotated by the spring 11, and the cam 12 is rotated by the spring 11. When the cam 12 is rotated, the cam 12 is rotated by the spring 11. When the cam 12 is rotated, the cam 12 is rotated by the spring 11. When the cam 12 is rotated, the cam 12 is rotated by the spring 11. When the cam 12 is rotated, the cam 12 is rotated by the spring 11.

[0041] During the water outflow stage, when the baffle 8 is opened, the water flows through the other components of the turbine in the casing 1 to achieve energy conversion, and then flows out from the outlet pipe 16 at the bottom end of the casing 1. In this process, the turbine converts the kinetic energy of the water flow into mechanical energy, which in turn drives the generator to generate electricity. When one of the water inlet pipes 2 needs to be cleaned, it can be shut off and the other water inlet pipe 2 can be used without delaying the power generation work. The cleaning net 3 in the water inlet pipe 2 is taken out and the intercepted water inlet pipe 2 is cleaned. This design enables the hydroelectric power generation equipment to continue to operate during the cleaning of the water inlet pipe 2, ensuring the continuity of power generation. At the same time, the sliding connection design of the cleaning net 3 facilitates its disassembly and installation, and improves the efficiency of the cleaning operation. This turbine for hydroelectric power generation equipment achieves effective control of water flow, impurity filtration and continuity of power generation through reasonable structural design and precise control methods, providing reliable technical support for hydroelectric power generation.

[0042] For example, Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 、 Figure 6 As shown, the utility model further includes that one end of the two cleaning net cylinders 3 close to the baffle 8 is fixedly connected to a pull rod 14, and the other end of the two pull rods 14 is fixedly connected to a pull frame 15.

[0043] During use, after the interception is completed, the operator can operate through the pulling frame 15, which is connected to the cleaning net cylinder 3 through the pull rod 14. When the pulling frame 15 is pulled, the pull rod 14 will drive the cleaning net cylinder 3 to slide along the axial direction of the water inlet pipe 2. Since the cleaning net cylinder 3 and the water inlet pipe 2 are slidably connected, under the action of the pulling force, the cleaning net cylinder 3 can be smoothly pulled out of the water inlet pipe 2.

[0044] For example, Figure 3 As shown, the present invention further comprises that the inner walls of one end of the two water inlet pipes 2 close to the pulling frame 15 are both provided with a retaining ring 20 for limiting the cleaning net cylinder 3.

[0045] During use, when the cleaning net 3 is installed in the water inlet pipe 2, the retaining ring 20 can prevent the cleaning net 3 from sliding excessively to the outside of the water inlet pipe 2 under the impact of the water flow. Under normal working conditions, water flows in from the water inlet pipe 2, and the cleaning net 3 filters impurities. The retaining ring 20 ensures that the cleaning net 3 always remains in the appropriate position and stably performs the filtering function.

[0046] For example, Figure 5 、 Figure 6 As shown, the present invention further includes that a water outlet 22 is provided on the cleaning net cylinder 3 away from the pulling frame 15 .

[0047] When in use, the water outlet 22 allows the filtered water to flow out of the cleaning net cylinder 3 smoothly and continue to flow into the interior of the housing 1.

[0048] For example, Figure 5 、 Figure 6 As shown, the present invention also includes that the two end surfaces of the water inlet pipe 2 contacting the baffle 8 are wedge-shaped surfaces parallel to each other.

[0049] During use, due to the special shape of the wedge surface, as the baffle 8 moves, the contact area gradually increases, and the wedge surface can guide the baffle 8 to better fit the end face of the water inlet pipe 2, thereby effectively improving the sealing and preventing water leakage in the interception state; compared with vertical plane contact, the wedge surface makes the baffle 8 smoother when moving, reduces the power required to drive the motor 10, and improves the energy efficiency of the system; when the interception operation is required, the baffle 8 can more easily find the position of the water inlet pipe 2 and fit accurately along the direction of the wedge surface, ensuring a reliable interception effect; at the same time, when the interception state is released, the wedge surface also helps the baffle 8 to quickly detach from the water inlet pipe 2, reducing the operation time.

[0050] For example, Figure 1 As shown, the present invention further includes a generator 18 fixedly installed inside the water outlet pipe 16 , and a turbine 19 fixedly connected to the output shaft of the generator 18 .

[0051] During use, when water flows out of the casing 1 through the water outlet pipe 16, the kinetic energy of the water flow acts on the turbine 19, driving the turbine 19 to rotate. Since the turbine 19 is fixedly connected to the output shaft of the generator 18, the rotation of the turbine 19 drives the rotor of the generator 18 to rotate in the magnetic field. According to the principle of electromagnetic induction, the generator 18 converts the kinetic energy of the water flow into electrical energy.

[0052] It should be noted that the present invention is a turbine for hydroelectric power generation equipment. The valve of the water inlet pipe 2 is opened to allow water to flow from two sets of parallel water inlet pipes 2 into the interior of the housing 1. When the water flows through the cleaning mesh cylinder 3 in the water inlet pipe 2, impurities are intercepted. The filtered water continues to flow into the interior of the housing 1 through the water outlet holes 22 on the cleaning mesh cylinder 3. During the flow inside the housing 1, the water is guided by the inclined plate 17 and flows in a specific direction and speed. When the water flows out of the water outlet pipe 16 at the bottom end of the housing 1, it drives the turbine 19 on the output shaft of the generator 18 in the water outlet pipe 16 to rotate, thereby driving the generator 18 to generate electricity.

[0053] When one of the water inlet pipes 2 needs to be cleaned, the drive motor 10 is started, and the drive motor 10 drives the threaded rod 11 to rotate, so that the screw sleeve 12 moves axially along the threaded rod 11, and then drives the fixed block 13 and the baffle 8 connected thereto to move. The baffle 8, with the cooperation of the roller 5, the slide rail 21, the limit bar 4 and other components, accurately moves to the water inlet pipe 2 that needs to be cleaned, fits tightly with the wedge-shaped surface of the water inlet pipe 2, realizes interception, and switches to another water inlet pipe 2 to work, ensuring that the power generation work is not delayed, and pulls the pull rod 14 by the pull frame 15 to move the water inlet pipe 2 that needs to be cleaned. The cleaning net cylinder 3 inside is pulled out from the water inlet pipe 2. Since the cleaning net cylinder 3 is slidably connected to the water inlet pipe 2 and is restricted by the retaining ring 20, the cleaning net cylinder 3 can be smoothly taken out, and the cleaning operation is performed on the cleaning net cylinder 3 to remove the impurities intercepted thereon. After cleaning is completed, the cleaning net cylinder 3 is slid back into the water inlet pipe 2 through the port of the water inlet pipe 2 to restore its filtering function. When the water inlet pipe 2 needs to be put into use again, it is only necessary to adjust the position of the baffle 8 and open the water inlet pipe 2 to allow water to flow through the water inlet pipe 2 again, and the cleaning net cylinder 3 continues to play the role of filtering impurities.

[0054] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A turbine for a hydroelectric power plant, comprising a housing (1), characterized in that The bottom end of the shell (1) is provided with a water outlet pipe (16), and the end of the shell (1) away from the water outlet pipe (16) is provided with two sets of parallel water inlet pipes (2). An inclined plate (17) is provided inside the shell (1) and between the water inlet pipe (2) and the water outlet pipe (16). A cleaning net cylinder (3) is slidably connected in the water inlet pipe (2). The end of the shell (1) close to the two water inlet pipes (2) is provided with two mutually parallel slide rails (21), and the middle part of the relative inner side of the slide rails (21) is provided with a limit strip (4). A baffle (8) is slidably connected between the two slide rails (21), and the two baffles (8) are both fitted with one end of the water outlet pipe (16); Two groups of relatively parallel connecting frames (9) are transversely arranged on the outer sides of the two baffles (8), and the connecting frames (9) are fixedly connected to fixed shafts (7). The outer sides of the fixed shafts (7) are rotatably connected to rollers (5) through bearings. The rollers (5) are provided with limiting grooves (6) that are compatible with the limiting strips (4), and the rollers (5) are clamped into the inner sides of the slide rails (21); A driving motor (10) is fixedly mounted on the top of the housing (1); an output end of the driving motor (10) passes through the housing (1) and is fixedly connected to a threaded rod (11); the threaded rod (11) is externally threadedly connected to a screw sleeve (12); a fixing block (13) is provided on the outside of the screw sleeve (12); and one side of the fixing block (13) is fixedly connected to one end of the baffle (8).

2. A turbine for hydropower generation equipment according to claim 1, characterized in that: One end of the two cleaning net cylinders (3) close to the baffle (8) is fixedly connected to a pull rod (14), and the other end of the two pull rods (14) is fixedly connected to a pull frame (15).

3. The turbine for hydropower generation equipment according to claim 1, characterized in that: The inner walls of one end of the two water inlet pipes (2) close to the pull frame (15) are both provided with a retaining ring (20) for limiting the cleaning net cylinder (3).

4. The turbine for hydropower generation equipment according to claim 1, characterized in that: The cleaning net cylinder (3) is provided with a water outlet hole (22) on a portion away from the pulling frame (15).

5. The turbine for hydropower generation equipment according to claim 1, characterized in that: The two end surfaces of the water inlet pipe (2) in contact with the baffle (8) are wedge-shaped surfaces parallel to each other.

6. The turbine for hydropower generation equipment according to claim 1, characterized in that: A generator (18) is fixedly installed inside the water outlet pipe (16), and a turbine (19) is fixedly connected to the output shaft of the generator (18).

Images