CN211202186U - Coupling type submersible power generation device - Google Patents

Abstract

The utility model relates to a shaft coupling type diving power generation device, which comprises a plurality of water turbine components, a power generation component and a plurality of transmission components, wherein the plurality of water turbine components are connected with the power generation component through the transmission components; each water turbine assembly comprises a shell, and a plurality of impellers and a main shaft which are arranged in the shell, wherein the impellers are sequentially sleeved on the main shaft; the main shafts in two adjacent water turbine assemblies are parallel to each other and are positioned on the same plane; the power generation assembly comprises a power generator and a transmission shaft connected with the power generator, the transmission shaft is perpendicular to the main shaft, and the transmission shaft is arranged at the tail end of the main shaft and is simultaneously connected with the main shafts through a plurality of transmission assemblies. The utility model discloses a coupling setting of a plurality of main shafts and a transmission shaft for the kinetic energy that a plurality of main shafts obtained adds and drives single transmission shaft and rotates, makes the transmission shaft obtain more kinetic energy, and then improves the generating efficiency.

Description

Coupling type submersible power generation device

Technical Field

The utility model relates to a hydroelectric power generation technical field especially relates to a shaft coupling formula dive power generation facility.

Background

The generator is a mechanical device for converting energy of other forms into electric energy, at present, hydroelectric power generation has become a mainstream power generation mode, and water flow with potential energy at high positions such as rivers and hurpos is led to low positions and passes through a water turbine to convert the potential energy of the water flow into mechanical energy, the water turbine rotates and serves as motive power to push the generator to generate electric energy, and at the moment, the mechanical energy is converted into electric energy. However, the existing hydroelectric power generation device needs to build a dam, raise the water level and convert the potential energy of the water level difference into mechanical energy, and the mechanical energy is converted into electric energy through a power generation device. However, the cost and difficulty of building the dam are high, and the dam is not suitable for large-scale popularization and application.

However, in the submersible power generation device in the prior art, only the main shaft in a single water turbine assembly is used for transmitting kinetic energy to drive the generator to rotate, and because the submersible power generation device is used for generating power in water flow with small fall, the kinetic energy of the water flow is insufficient, so that the kinetic energy obtained by the main shaft is small, and further the power generation efficiency is low.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims to overcome the not enough of prior art, provide a shaft coupling formula dive power generation facility, its structural design is ingenious, and the generating efficiency is high, and application scope is wide.

The utility model discloses a realize based on following design: a kind of shaft coupling type dive generating set, including several hydraulic turbine assemblies, generating set and several drive assemblies, the said several hydraulic turbine assemblies are connected with said generating set through the said drive assembly; each water turbine assembly comprises a shell, and a plurality of impellers and a main shaft which are arranged in the shell, wherein the impellers are sequentially sleeved on the main shaft; the main shafts in two adjacent water turbine assemblies are parallel to each other and are positioned on the same plane; the power generation assembly comprises a power generator and a transmission shaft connected with the power generator, the transmission shaft is perpendicular to the main shaft, and the transmission shaft is arranged at the tail end of the main shaft and connected with the main shaft through a plurality of transmission assemblies.

Compared with the prior art, the utility model provides a shaft coupling formula dive power generation facility, it is through setting up a plurality of hydraulic turbine subassemblies to make a plurality of main shafts be connected with a transmission shaft, be about to a plurality of main shafts and transmission shaft "shaft coupling" setting. Make a plurality of hydraulic turbine subassemblies can dive into the aquatic simultaneously, rivers get into impact impeller and drive the main shaft rotation in a plurality of hydraulic turbine subassemblies respectively, and the kinetic energy that a plurality of main shafts obtained adds and drives single transmission shaft and rotate for this transmission shaft obtains more kinetic energy, and then improves the generating efficiency of generator.

Further, each transmission assembly comprises a first bevel gear and a second bevel gear, the first bevel gear is arranged at the tail end of the main shaft, the second bevel gear is sleeved on the bevel gear, and the first bevel gear is meshed with the second bevel gear; and a plurality of second bevel gears in the plurality of transmission assemblies are sequentially sleeved on the transmission shaft. Through setting up intermeshing's first bevel gear and second bevel gear, can carry out power transmission with transmission shaft and the main shaft that the looks set up.

Further, each transmission assembly further comprises a sealed box, the sealed box is connected with the shell, and the first bevel gear and the second bevel gear are arranged in the sealed box; the main shaft and the transmission shaft are respectively inserted into the seal box and are respectively connected with the first bevel gear and the second bevel gear. The seal box prevents water from entering the first bevel gear and the second bevel gear, thereby preventing the reduction of the transmission efficiency of the first bevel gear and the second bevel gear caused by rusting or corrosion, and simultaneously reducing the transmission resistance between the first bevel gear and the second bevel gear.

Further, the transmission assembly further comprises a sealing ring, and the sealing ring is filled in gaps at the connection positions of the main shaft and the transmission shaft with the sealing box.

Further, each water turbine assembly further comprises a flow guide unit, the flow guide unit is arranged inside the shell, a drainage pipe is arranged in the flow guide unit, and the cross-sectional area of the drainage pipe is gradually reduced along the direction from the inlet end to the outlet end of the drainage pipe. Because the cross-sectional area of honeycomb duct reduces from entry end to exit end gradually, the velocity of flow in the honeycomb duct increases gradually, and kinetic energy increases, obtains more mechanical energy when assaulting the impeller to make this coupling formula underwater power generation device can use in natural rivers.

Furthermore, the flow guide unit further comprises a collecting pipe, the collecting pipe is connected with the outlet end of the drainage pipe, and the collecting pipe covers the impellers.

Further, a filter screen is arranged at the inlet of the shell. The setting of filter screen can filter the impurity in the rivers, prevents that impurity from causing in getting into the impeller to block up or the impeller damage, and then has prolonged the life of impeller.

Further, the water turbine structure further comprises a fixing assembly, wherein a plurality of water turbine assemblies are arranged on the fixing assembly, and the fixing assembly submerges the water turbine assemblies into water flow and fixes the positions of the water turbine assemblies.

Further, the transmission shaft is an input shaft of the generator. The mechanical energy of the transmission shaft can be transmitted to the generator through a simple transmission structure so as to be converted into electric energy.

Further, a crankshaft of the generator is vertically connected with the transmission shaft. The main shaft of the water turbine assembly and the transmission shaft of the power generation assembly are arranged in an intersecting manner, namely, are not coaxially arranged, so that the water turbine assembly only needs to be submerged into water flow when the water turbine assembly is used, and the generator in the power generation assembly can be exposed on the water surface, thereby reducing the sealing and waterproof requirements of the power generation assembly and further reducing the manufacturing cost; meanwhile, the generator is convenient to replace and overhaul.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a sectional structural view of a single water turbine assembly according to embodiment 1 of the present invention;

fig. 2 is a top view structural diagram of the coupling type submersible power generation device according to embodiment 1 of the present invention;

fig. 3 is a structure view of the connection between the shaft and the transmission shaft of the shaft coupling type submersible power generation device according to embodiment 2 of the present invention.

Description of the drawings:

a-a first water turbine assembly, B-a second water turbine assembly, C-a third water turbine assembly, 11-a shell, 111-an inlet, 112-an outlet, 113-a filter screen, 13-a main shaft, 131-a first main shaft, 132-a second main shaft, 133-a third main shaft, 14-an impeller, 121-a guide box, 122-a drainage pipe, 123-a collecting pipe, 21-a generator, 22-a transmission shaft, 23-a shaft sleeve, 24-a brake wheel shell, 31-a sealing box, 32-a first bevel gear, 33-a second bevel gear, 41-a support, 42-an anchor chain, 50-a connecting rod, 60-a crankshaft, 61-a third bevel gear, 62-a fourth bevel gear and 63-a sealing shell.

Detailed Description

Example 1

Referring to fig. 1 and fig. 2, in this embodiment 1, a coupled submersible power generation apparatus is provided, which includes a plurality of hydraulic turbine assemblies, a power generation assembly, a plurality of transmission assemblies, and a fixing assembly, where the plurality of hydraulic turbine assemblies are connected to the power generation assembly through the transmission assemblies; and the water turbine assemblies are arranged on the fixing assembly.

Each water turbine assembly comprises a shell 11, and a flow guide unit, a main shaft 13 and a plurality of impellers 14 which are arranged in the shell 11; the housing 11 is a hollow housing, an inlet 111 and an outlet 112 are formed in the housing, the inlet 111 is provided with a filter screen 113 for blocking impurities in water flow, and the water flow flows into the inlet 111, passes through the flow guide unit, the main shaft 13 and the impellers 14 therein, and then flows out of the outlet 112.

The flow guide unit comprises a flow guide box 121, a drainage tube 122 and a collecting pipe 123, the flow guide box 121, the drainage tube 122 and the drainage tube are sequentially arranged along the direction from the inlet 111 to the outlet 112 of the shell 11, the outlet 112 end of the flow guide box 121 is connected with the inlet 111 end of the drainage tube 122, the outlet 112 end of the drainage tube 122 is connected with the inlet 111 end of the drainage tube, and the outlet 112 end of the collecting pipe 123 is communicated with the outlet 112 of the shell 11. Specifically, the guide box 121 is a hollow box body for introducing water flow into the draft tube 122; the draft tube 122 is a hollow pipe having a circular cross-section at each position, and the cross-sectional area gradually decreases from the inlet 111 end to the outlet 112 end of the draft tube 122; the header 123 is a hollow tube, preferably a uniform tube of constant cross-sectional diameter.

The main shaft 13 is inserted into the collecting pipe 123 along the central axis direction of the collecting pipe 123 and is fixed by a plurality of bearings; the impellers 14 are sequentially sleeved on the main shaft 13 along the central axis direction of the collecting pipe 123, and the diameter of the impellers 14 is slightly smaller than that of the collecting pipe 123, so that the impellers 14 can be arranged inside the collecting pipe 123; in the present embodiment 1, the number of the impellers 14 is more than three.

Further, in the embodiment 1, a plurality of turbine assemblies are included, and 1-n turbine assemblies may be provided, and in the embodiment 1, there are 3 turbine assemblies, which are the first turbine assembly a, the second turbine assembly B, and the third turbine assembly C respectively. The first water turbine assembly A, the second water turbine assembly B and the third water turbine assembly C are respectively provided with a first main shaft 131, a second main shaft 132 and a third main shaft 133, and the first main shaft 131, the second main shaft 132 and the third main shaft 133 are arranged in parallel and located on the same plane.

Further, the main shaft 13 is connected with the power generation assembly through a plurality of transmission assemblies. The power generation assembly comprises a transmission shaft 22, the transmission shaft 22 and the main shafts 13 of the three water turbine assemblies are perpendicular to the transmission shaft 22 and are arranged at the tail ends of the main shafts 13, and the transmission shaft 22 is connected with the main shafts 13 through a plurality of transmission assemblies. The number of the transmission assemblies is equal to that of the water turbine assemblies.

Specifically, each of the transmission assemblies includes a sealed box 31 and a first bevel gear 32 and a second bevel gear 33 provided in the sealed box 31; one end of the seal box 31 is connected with the outlet 112 of the shell 11 through a plurality of connecting rods 50, the connecting rods 50 are arranged around the circumference, a space is formed in the middle, and a gap between two adjacent connecting rods 50 forms the outlet 112 for water flow to flow out; the main shaft 13 penetrates through the space formed between the connecting rods 50, so that the end of the main shaft 13 penetrates through the seal box 31 and is fixed on the seal box 31 through a bearing, and the end of the main shaft 13 extends into the seal box 31 and is connected with the first bevel gear 32. The transmission shaft 22 passes through the plurality of seal boxes 31 and is rotatably fixed on the seal boxes 31 through bearings, and the plurality of second bevel gears 33 respectively positioned in the plurality of seal boxes 31 are simultaneously sleeved on the transmission shaft 22. Further, the first bevel gear 32 is engaged with the second bevel gear 33, specifically, a plurality of tooth grooves annularly formed along a conical surface are respectively arranged on the first bevel gear 32 and the second bevel gear 33, and straight lines where center axes of the first bevel gear 32 and the second bevel gear 33 are located are perpendicular to each other, so that the tooth grooves of the first bevel gear 32 are engaged with the tooth grooves of the second bevel gear, when the main shaft 13 rotates, the first bevel gear 32 is driven to rotate, teeth on the first bevel gear 32 slide in the tooth grooves of the second bevel gear 33, and further the second bevel gear 33 is driven to transmit with the transmission shaft 22 fixedly connected with the second bevel gear 33. Thereby, the plurality of main shafts 13 in the plurality of turbine assemblies rotate, and simultaneously, the drive shaft 22 rotates. Further, the transmission assembly further includes a sealing ring (not shown) filled in a gap between the main shaft 13 and the joint of the transmission shaft 22 and the seal box 31, thereby preventing water from entering the seal box 31.

The power generation assembly further comprises a power generator 21, a shaft sleeve 23 and a brake wheel shell 24; the generator 21 is arranged at one end of the transmission shaft 22, the transmission shaft 22 is an input shaft of the generator 21 and is used for providing power for generating electricity for the generator 21, and on the basis, the generator 21 and the transmission shaft 22 are on the same plane; the generator 21 is further provided with an electric energy output end, an input shaft of the generator 21 provides mechanical energy, the mechanical energy is converted into electric energy inside the generator 21, and the electric energy is finally output from the electric energy output end of the generator 21; preferably, a waterproof device (not shown) is further sleeved outside the generator 21 to prevent the generator 21 from being damaged due to water seepage. The shaft sleeve 23 is sleeved outside the transmission shaft 22, so that the transmission shaft 22 can rotate in the shaft sleeve 23; the brake wheel housing 24 is disposed on the upper portion of the transmission shaft 22, and is a disc-shaped housing, and the brake wheel housing 24 is used for emergently braking the transmission shaft 22 under the action of an external force.

The fixing assembly is fixedly arranged at the bottom of the plurality of water turbine assemblies and the plurality of seal boxes 31, and specifically, the fixing assembly comprises a bracket 41 and an anchor chain 42, wherein the bracket 41 is fixed at the bottom of the plurality of shells 11, so that the plurality of shells 11 are arranged in parallel on the bracket 41; the support 41 is preferably a support 41 shaped like a Chinese character tian, and is made of a light material; one end of the anchor chain 42 is fixedly connected with the bracket 41, and the other end is used for being fixed in a riverbed; the length of the anchor chain 42 may be set according to the depth of the river. Thereby, the anchor chain 42 submerges the turbine assembly in the water current and pulls the turbine assembly to float in the water current, so that the bracket 41 and the turbine assembly fixed to the bracket 41 can be turned with the change of the water current direction.

When the water turbine assembly is used, the water turbine assemblies are simultaneously sunk into water flow to float below the water surface, the length of the anchor chain 42 is adjusted, and the anchor chain 42 is cast in a river bed for fixing. When water flows through the filter screen 113, a large amount of impurities and particles are blocked, the water flows through the diversion box 121 and enters the drainage pipe 122, the flow velocity of the water flows in the drainage pipe 122 is gradually increased due to the fact that the cross-sectional area of the drainage pipe 122 is gradually reduced, the water flows are enabled to quickly enter the collecting pipe 123 and impact the impellers 14 in the collecting pipe 123, the impellers 14 rotate under the impact of the water flows, the main shaft 13 is driven to rotate, the power of the main shaft 13 is transmitted to the transmission shaft 22 through the meshing of the first bevel gear 32 and the second bevel gear 33, meanwhile, the main shafts 13 transmit power to one transmission shaft 22 at the same time, the kinetic energy obtained by the transmission shaft 22 is superposed, and further the generator 21 generates more electric energy. In this process, the water flows out from the outlet 112 of the housing 11 and the gap between the connecting rods 50, and in addition, when the flow direction of the water changes, the support 41 and the turbine assembly fixed to the support 41 can change directions along with the change of the water flow direction.

Compared with the prior art, the utility model provides a shaft coupling formula dive power generation facility, it is through setting up a plurality of hydraulic turbine subassemblies to make a plurality of main shafts be connected with a transmission shaft, be about to a plurality of main shafts and transmission shaft "shaft coupling" setting. A plurality of hydraulic turbine subassembly can dive in the aquatic simultaneously, and rivers get into impact impeller and drive the main shaft rotation in a plurality of hydraulic turbine subassemblies respectively, and the kinetic energy that a plurality of main shafts obtained adds and drives single transmission shaft and rotate for this transmission shaft obtains more kinetic energy, and then improves the generating efficiency of generator. In addition, the coupling type submersible power generation device is fixed in a riverbed in a traction mode, so that the coupling type submersible power generation device can be applied to environments with a large change of water flow directions, such as rivers, and the like, and has strong applicability and adaptability.

Example 2

The embodiment 2 of the utility model provides a shaft coupling formula submarine power generation device is basically the same with embodiment 1, and its difference only lies in: the generator 21 further comprises a crankshaft 60, the crankshaft 60 serves as an input shaft of the generator 21, the crankshaft 60 is vertically connected with the transmission shaft 22, and the crankshaft 60 is in a vertical state relative to a horizontal plane.

Specifically, referring to fig. 3, the crankshaft 60 is connected to the transmission shaft 22 through a third bevel gear 61 and a fourth bevel gear 62, the third bevel gear 61 is disposed at an end of the transmission shaft 22, and the fourth bevel gear 62 is disposed at an end of the crankshaft 60, such that the third bevel gear 61 and the fourth bevel gear 62 are engaged, such that the transmission shaft 22 drives the crankshaft 60 of the generator 21 to rotate; the third bevel gear 61 and the fourth bevel gear 62 are disposed in a sealed housing 6311. Accordingly, the shaft 60 of the generator 21 is oriented vertically with respect to the horizontal plane and may be exposed to the water surface during use.

Compared with the prior art, the utility model provides a shaft coupling formula dive power generation facility, through setting up transmission shaft and spindle intersect, non-coaxial setting, only need during the use submerge the hydraulic turbine subassembly in rivers, and the generator in the power generation subassembly can expose on the surface of water, has reduced the sealed and waterproof requirement of power generation subassembly to manufacturing cost has been reduced; meanwhile, the generator is convenient to replace and overhaul.

The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.

Claims (10)

1. A kind of shaft coupling type dive generating set, characterized by: the system comprises a plurality of water turbine components, a power generation component and a plurality of transmission components, wherein the water turbine components are connected with the power generation component through the transmission components; each water turbine assembly comprises a shell, and a plurality of impellers and a main shaft which are arranged in the shell, wherein the impellers are sequentially sleeved on the main shaft; the main shafts in two adjacent water turbine assemblies are parallel to each other and are positioned on the same plane; the power generation assembly comprises a power generator and a transmission shaft connected with the power generator, the transmission shaft is perpendicular to the main shaft, and the transmission shaft is arranged at the tail end of the main shaft and is simultaneously connected with the main shafts through a plurality of transmission assemblies.

2. The coupled submersible power plant of claim 1, wherein: each transmission assembly comprises a first bevel gear and a second bevel gear, the first bevel gear is arranged at the tail end of the main shaft, the second bevel gear is sleeved on the bevel gear, and the first bevel gear is meshed with the second bevel gear; and a plurality of second bevel gears in the plurality of transmission assemblies are sequentially sleeved on the transmission shaft.

3. The coupled submersible power plant of claim 2, wherein: each transmission assembly further comprises a seal box, the seal box is connected with the shell, and the first bevel gear and the second bevel gear are arranged in the seal box; the main shaft and the transmission shaft are respectively inserted into the seal box and are respectively connected with the first bevel gear and the second bevel gear.

4. A coupled submersible power plant according to claim 3, wherein: the transmission assembly further comprises a sealing ring, and the sealing ring is filled in gaps at the connecting positions of the main shaft and the transmission shaft with the sealing box.

5. The coupled submersible power plant of claim 1, wherein: each water turbine assembly further comprises a flow guide unit, the flow guide unit is arranged inside the shell, a drainage tube is arranged in the flow guide unit, and the cross-sectional area of the drainage tube is gradually reduced along the direction from the inlet end to the outlet end of the drainage tube.

6. The coupled submersible power plant of claim 5, wherein: the flow guide unit further comprises a collecting pipe, the collecting pipe is connected with the outlet end of the drainage tube, and the collecting pipe covers the impellers.

7. The coupled submersible power plant of claim 1, wherein: and a filter screen is arranged at the inlet of the shell.

8. The coupled submersible power plant of claim 1, wherein: the water turbine assembly fixing device is characterized by further comprising a fixing assembly, wherein the water turbine assemblies are arranged on the fixing assembly, and the fixing assembly submerges the water turbine assemblies into water flow and fixes the positions of the water turbine assemblies.

9. A coupled submersible power plant according to any of claims 1 to 8, wherein: the transmission shaft is an input shaft of the generator.

10. A coupled submersible power plant according to any of claims 1 to 8, wherein: and a crankshaft of the generator is vertically connected with the transmission shaft.

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