CN213953795U

CN213953795U - Hydroelectric set increase-volume device

Info

Publication number: CN213953795U
Application number: CN202022541360.6U
Authority: CN
Inventors: 崔连顺; 李铭; 周伍
Original assignee: Huaneng Hualiangting Hydropower Co ltd
Current assignee: Huaneng Hualiangting Hydropower Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-08-13
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a hydroelectric set capacity-increasing device, including impeller storehouse and electricity generation storehouse, be equipped with the connection pad in the impeller storehouse, connection pad fixed connection shaft, shaft and impeller storehouse rotate to be connected, and connection pad fixed connection impeller, impeller are equipped with the impeller inside groove, and the impeller inside groove is equipped with a plurality of evenly distributed's recess, and the impeller storehouse is equipped with communicating pipe, and the communicating pipe both ends are equipped with water inlet and delivery port respectively. When the utility model is used, one surface of the impeller facing to the water flow is provided with the impeller inner groove, so that the contact area of the impeller and the water is increased, the groove further increases the stress area, thereby increasing the torsion of the wheel shaft, and the rotor torque is increased through the matching of the first bevel gear and the second bevel gear, and finally the generating capacity is increased; the motor is started to drive the exhaust fan to rotate, the transmission bin is cooled, abrasion between the first bevel gear and the second bevel gear is reduced, and the service life of the first bevel gear and the service life of the second bevel gear are prolonged.

Description

Hydroelectric set increase-volume device

Technical Field

The utility model relates to a generating set specifically is a hydroelectric set increase-volume device.

Background

The water energy is a clean energy, is a green energy, and refers to energy resources such as kinetic energy, potential energy, pressure energy and the like of a water body. The water energy is a renewable energy source, and is mainly used for hydroelectric power generation. Hydroelectric power converts the potential and kinetic energy of water into electrical energy. The hydroelectric power generation plant is called a hydroelectric power plant, which is called a hydroelectric power plant for short and is also called a hydropower station. The hydroelectric power generation has the advantages of low cost, continuous regeneration and no pollution. The disadvantage is that the distribution is greatly limited by the natural conditions of hydrology, climate, landform, etc. The water-saving device is easily influenced by various factors such as terrain, climate and the like, and the nation is also researching how to better utilize water energy.

However, the conventional hydroelectric generating set has low power generation efficiency, and when the power generation amount is increased, the contact area between the impeller and water needs to be increased, so that the axle torsion is increased, and the impeller is difficult to adapt to the conventional hydroelectric generating set after being increased. Therefore, the utility model provides a hydroelectric set increase-volume device to solve the above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydroelectric set increase-volume device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a capacity increasing device of a hydroelectric generating set comprises an impeller bin and a power generation bin, wherein a connecting disc is arranged in the impeller bin and fixedly connected with a wheel shaft, the wheel shaft is rotatably connected with the impeller bin, the connecting disc is fixedly connected with an impeller, the impeller is provided with an impeller inner groove, the impeller inner groove is provided with a plurality of uniformly distributed grooves, the impeller bin is provided with a communicating pipe, and two ends of the communicating pipe are respectively provided with a water inlet and a water outlet;

the impeller bin is fixedly connected with the transmission bin, a first bevel gear is arranged in the transmission bin and fixedly connected with the wheel shaft, the first bevel gear is meshed with a second bevel gear, and the second bevel gear is fixedly connected with the rotating shaft;

the power generation cabin is rotatably connected with the rotating shaft, the rotating shaft is provided with a rotor, and the power generation cabin is provided with a stator.

As a further scheme of the utility model, be equipped with the mounting bracket in communicating pipe, the filter screen is installed to the mounting bracket.

As the utility model discloses further scheme again, installation air discharge fan in the transmission storehouse, air discharge fan installation motor.

As the utility model discloses further scheme again, the bearing is installed in the electricity generation storehouse, and the pivot runs through the bearing.

As the utility model discloses further scheme again, electricity generation storehouse mounting base, pivot and base rotate to be connected.

As the utility model discloses further scheme again, the first supporting leg of communicating pipe bottom fixed connection, electricity generation storehouse bottom fixed connection second supporting leg.

Compared with the prior art, the beneficial effects of the utility model are that:

1. an impeller inner groove is formed in one surface, facing water flow, of the impeller, so that the contact area of the impeller and the water is increased, the stress area is further increased through the groove, the torsion of the wheel shaft is increased, the rotor torque is increased through the matching of the first bevel gear and the second bevel gear, and finally the generating capacity is increased;

2. the motor is started to drive the exhaust fan to rotate, the transmission bin is cooled, abrasion between the first bevel gear and the second bevel gear is reduced, and the service life of the first bevel gear and the service life of the second bevel gear are prolonged;

3. the silt of filter screen filtration aquatic avoids silt to pile up in the recess, and avoids silt wearing and tearing impeller, guarantees the impeller normal operating.

Drawings

Fig. 1 is a schematic structural diagram of a water turbine generator set capacity increasing device.

Fig. 2 is a rear sectional view of a capacity increasing device of a water turbine generator set.

Fig. 3 is a connection diagram of an impeller and a connecting disc in the capacity increasing device of the water-turbine generator set.

In the figure: 1. an impeller chamber; 2. a connecting disc; 3. a wheel axle; 4. an impeller; 5. a communicating pipe; 6. a water inlet; 7. a water outlet; 8. a first support leg; 9. a power generation cabin; 10. a second support leg; 11. a first bevel gear; 12. an exhaust fan; 13. a second bevel gear; 14. a motor; 15. a rotating shaft; 16. a bearing; 17. a rotor; 18. a stator; 19. a base; 20. an impeller inner groove; 21. a groove; 22. a mounting frame; 23. a filter screen; 24. and a transmission bin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in an embodiment of the present invention, a capacity increasing device for a hydroelectric generating set includes an impeller chamber 1 and a power generation chamber 9, a connection pad 2 is disposed in the impeller chamber 1, the connection pad 2 is fixedly connected with a wheel shaft 3, the wheel shaft 3 is rotatably connected with the impeller chamber 1, the connection pad 2 is fixedly connected with an impeller 4, the impeller 4 is provided with an impeller internal groove 20, the impeller internal groove 20 is provided with a plurality of uniformly distributed grooves 21, the impeller chamber 1 is provided with a communicating pipe 5, two ends of the communicating pipe 5 are respectively provided with a water inlet 6 and a water outlet 7, a mounting frame 22 is disposed in the communicating pipe 5, the mounting frame 22 is provided with a filter screen 23, and the bottom of the communicating pipe 5 is fixedly connected with a first support leg 8;

the impeller cabin 1 is fixedly connected with a transmission cabin 24, a first bevel gear 11 is arranged in the transmission cabin 24, the first bevel gear 11 is fixedly connected with a wheel shaft 3, the first bevel gear 11 is meshed with a second bevel gear 13, the second bevel gear 13 is fixedly connected with a rotating shaft 15, an exhaust fan 12 is installed in the transmission cabin 24, and the exhaust fan 12 is provided with a motor 14;

the power generation bin 9 is rotatably connected with the rotating shaft 15, the bearing 16 is installed on the power generation bin 9, the rotating shaft 15 penetrates through the bearing 16, the rotor 17 is installed on the rotating shaft 15, the stator 18 is installed on the power generation bin 9, the power generation bin 9 is installed on the base 19, the rotating shaft 15 is rotatably connected with the base 19, and the bottom of the power generation bin 9 is fixedly connected with the second supporting leg 10.

The utility model discloses a theory of operation is:

water enters the communicating pipe 5 through the water inlet 6 and impacts the impeller 4, the impeller 4 drives the connecting disc 2, the wheel shaft 3 and the first bevel gear 11 to rotate, the first bevel gear 11 is meshed with the second bevel gear 13 so as to drive the rotating shaft 15 and the rotor 17 to rotate, and the stator 18 is matched with the rotor 17 to generate electricity; an impeller inner groove 20 is formed in one surface, facing water flow, of the impeller 4, so that the contact area of the impeller 4 and the water is increased, the stress area is further increased through the groove 21, the torsion of the wheel shaft 3 is increased, the torsion of the rotor 17 is increased through the matching of the first bevel gear 11 and the second bevel gear 13, and finally the generating capacity is increased;

the motor 14 is started to drive the exhaust fan 12 to rotate, so that the transmission bin 24 is cooled, the abrasion between the first bevel gear 11 and the second bevel gear 13 is reduced, and the service lives of the first bevel gear 11 and the second bevel gear 13 are prolonged; filter screen 23 filters the silt of aquatic, avoids silt to pile up in recess 21, and avoids silt wearing and tearing impeller 4, guarantees impeller 4 normal operating.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A capacity increasing device of a hydroelectric generating set comprises an impeller bin (1) and a power generation bin (9), and is characterized in that a connecting disc (2) is arranged in the impeller bin (1), the connecting disc (2) is fixedly connected with a wheel shaft (3), the wheel shaft (3) is rotatably connected with the impeller bin (1), the connecting disc (2) is fixedly connected with an impeller (4), the impeller (4) is provided with an impeller inner groove (20), the impeller inner groove (20) is provided with a plurality of uniformly distributed grooves (21), the impeller bin (1) is provided with a communicating pipe (5), and two ends of the communicating pipe (5) are respectively provided with a water inlet (6) and a water outlet (7);

the impeller bin (1) is fixedly connected with a transmission bin (24), a first bevel gear (11) is arranged in the transmission bin (24), the first bevel gear (11) is fixedly connected with a wheel shaft (3), the first bevel gear (11) is meshed with a second bevel gear (13), and the second bevel gear (13) is fixedly connected with a rotating shaft (15);

the power generation bin (9) is rotatably connected with the rotating shaft (15), the rotating shaft (15) is provided with a rotor (17), and the power generation bin (9) is provided with a stator (18).

2. The capacity increasing device for the hydroelectric generating set according to claim 1, wherein a mounting frame (22) is arranged in the communicating pipe (5), and a filter screen (23) is mounted on the mounting frame (22).

3. The capacity increasing device for the hydroelectric generating set according to claim 1, wherein an exhaust fan (12) is installed in the transmission bin (24), and the exhaust fan (12) is provided with the motor (14).

4. The capacity increasing device for the hydroelectric generating set according to claim 1, wherein the generating chamber (9) is provided with a bearing (16), and the rotating shaft (15) penetrates through the bearing (16).

5. The capacity increasing device for the hydroelectric generating set according to claim 1, wherein the generating chamber (9) is provided with a base (19), and the rotating shaft (15) is rotatably connected with the base (19).

6. The capacity increasing device for the hydroelectric generating set according to claim 1, wherein the bottom of the communicating pipe (5) is fixedly connected with the first supporting leg (8), and the bottom of the power generation bin (9) is fixedly connected with the second supporting leg (10).