CN212305024U

CN212305024U - Hydraulic generator main shaft cooling device

Info

Publication number: CN212305024U
Application number: CN202021299486.0U
Authority: CN
Inventors: 陈剑
Original assignee: Tianjin Tianfa Yongliang Hydropower Equipment Manufacturing Co Ltd
Current assignee: Tianjin Tianfa Yongliang Hydropower Equipment Manufacturing Co Ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-01-05
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a hydraulic generator main shaft cooling device, including setting up inlet, the liquid outlet on the bearing frame, be equipped with bearing and bearing in the bearing frame and install on the main shaft of generator, the inside cooling chamber that is equipped with of bearing frame, cooling chamber and inlet and liquid outlet intercommunication set up, the inlet passes through feed liquor union coupling condenser pipe delivery port, the liquid outlet passes through the drain pipe and connects the condenser pipe water inlet, the condenser pipe sets up bottom in the cooling bin, condenser pipe upper portion is equipped with a plurality of radiator fan, the cooling bin lower surface is equipped with the fin, be equipped with a plurality of baffle in the condenser pipe, the one end of baffle is connected on the condenser pipe internal surface. The utility model aims at providing a hydraulic generator main shaft cooling device connects the condenser pipe through inlet, the liquid outlet of setting on the bearing frame, can evenly effectively dispel the heat to hydroelectric set, avoids self radiating effect not good and leads to the unit inside to damage because of the high temperature.

Description

Hydraulic generator main shaft cooling device

Technical Field

The utility model relates to a hydraulic generator field especially relates to a hydraulic generator main shaft cooling device.

Background

The hydraulic generator produces a large amount of heats when the operation, and long-time high temperature operation can cause the production of the inside high temperature trouble of generator, reduces the life of generator, for the safety and stability operation of guaranteeing the generator, must design cooling device.

Chinese patent with application number 201711240249X discloses a cooling device for hydraulic generator main shaft, including bearing and bearing frame, the bearing is installed on the main shaft of generator, the bearing housing is located on the bearing, its characterized in that: the bearing seat is provided with a water inlet, a water outlet and a cooling cavity, the water inlet and the water outlet are arranged on the side wall of the bearing seat, the cooling cavity is arranged inside the bearing seat, and the cooling cavity is communicated with the water inlet and the water outlet. However, the cooling water in the technical scheme cannot be recycled to cause waste, natural convection heat conduction is adopted, but heat flows upwards in a normal state, and cold flows downwards, so that the temperature of each part is unbalanced, and the service life of the hydraulic generator is shortened.

SUMMERY OF THE UTILITY MODEL

To the above problem, the present invention provides a cooling device for a main shaft of a hydraulic generator to solve the technical problem in the background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted is: the utility model provides a hydraulic generator main shaft cooling device, is including setting up inlet, the liquid outlet on the bearing frame, be equipped with bearing and bearing in the bearing frame and install on the main shaft of generator, the inside cooling chamber that is equipped with of bearing frame, the cooling chamber sets up with inlet and liquid outlet intercommunication, the inlet passes through the feed liquor union coupling condenser pipe delivery port, the liquid outlet passes through the drain pipe and connects the condenser pipe water inlet, the condenser pipe sets up bottom in the cooling bin, condenser pipe upper portion is equipped with a plurality of radiator fan, the cooling bin lower surface is equipped with the fin, be equipped with a plurality of baffle in the condenser pipe, the one end of baffle is connected on the condenser pipe internal surface.

Further, the condensation pipe is a coil pipe.

Furthermore, the baffle is spiral along the axial direction of the condenser pipe and is uniformly distributed.

Furthermore, a cooling liquid pump is arranged on the liquid inlet pipe.

Furthermore, the number of the heat radiation fans is two, and the two heat radiation fans are symmetrically arranged around the vertical center line of the cooling bin.

Furthermore, the radiating fin is made of aluminum alloy.

Furthermore, a support is arranged at the lower part of the cooling device.

The utility model has the advantages that:

the utility model discloses a hydraulic generator main shaft cooling device is through the inlet that sets up on the bearing frame, the condenser pipe is connected to the liquid outlet, the condenser pipe sets up inside the cooling bin, mutually support through radiator fan and fin, carry out the forced air cooling to the inside high-temperature liquid of suction condenser pipe, make liquid effectively cool down in the condenser pipe and guarantee recycling, and through be equipped with a plurality of baffles on the condenser pipe inner wall, make the inside liquid temperature distribution of condenser pipe even, it is unbalanced to have solved each position temperature among the prior art effectively, the technical problem that the life that leads to hydraulic generator shortens, can evenly effectively dispel the heat to the hydraulic generator main shaft, avoid self radiating effect not good and lead to hydraulic generator inside because of the high temperature damage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the condensation pipe of the present invention.

Fig. 3 is a schematic structural view of the condenser tube and the internal partition thereof.

Wherein:

1. a bearing seat; 2. a generator; 3. a main shaft; 4. a liquid outlet; 5. a liquid outlet pipe; 6. a cooling bin; 7. a liquid inlet; 8. a liquid inlet pipe; 9. a heat radiation fan; 10. a condenser tube; 11. a heat sink; 12. a coolant pump; 13. a support; 14. a partition plate;

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a main shaft cooling device for a hydraulic generator includes a liquid inlet 7 and a liquid outlet 4 disposed on a bearing seat 1, a bearing is disposed in the bearing seat 1, the bearing is mounted on a main shaft 3 of the generator 2, a cooling chamber is disposed inside the bearing seat 1, the cooling chamber is communicated with the liquid inlet 7 and the liquid outlet 4, the liquid inlet 7 is connected to a water outlet of a condensation pipe 10 through a liquid inlet pipe 8, a cooling liquid pump 12 is disposed on the liquid inlet pipe 8, the liquid outlet 4 is connected to a water inlet of the condensation pipe 10 through a liquid outlet pipe 5, the condensation pipe 10 is disposed at the bottom of the cooling chamber 6, the condensation pipe 10 is a serpentine pipe, a plurality of cooling fans 9 are disposed on the upper portion of the condensation pipe 10, the number of the cooling fans 9 is two, the two cooling fans 9 are symmetrically disposed about a vertical center line of the cooling, the cooling fin 11 is the aluminum alloy material, be equipped with a plurality of baffle 14 in the condenser pipe 10, the one end of baffle 14 is connected on the condenser pipe 10 internal surface, baffle 14 is the spiral just along the axial of condenser pipe 10 the baffle 14 is the equipartition and distributes.

In this embodiment, a bracket 13 is provided at the lower part of the cooling device.

The working mode is as follows:

all the driving parts (referring to power elements), the electric devices and the adaptive power supply are connected through leads, and specific connecting means refer to the following working principle that the electric devices are electrically connected in sequence.

The main shaft cooling device of the hydraulic generator of the utility model is connected with the condenser pipe 10 through the liquid inlet 7 and the liquid outlet 4 which are arranged on the bearing seat 1, the condenser pipe 10 is arranged inside the cooling bin 6, and through the mutual matching of the cooling fan 9 and the cooling fins 11, high-temperature liquid sucked into the condenser pipe 10 is cooled by air, the cooled liquid enters the bearing seat 1 from the liquid inlet 7 through the liquid inlet pipe 8, cooling the main shaft 3 to effectively cool the liquid in the condensation pipe 10 and ensure the liquid to be recycled, and the inner wall of the condensation pipe 10 is provided with the plurality of partition plates 14, so that the temperature of the liquid in the condensation pipe 10 is uniformly distributed, the technical problem that the service life of the hydraulic generator is shortened due to unbalanced temperature of each part in the prior art is effectively solved, can carry out even effective heat dissipation to hydraulic generator main shaft, avoid self radiating effect not good and lead to hydraulic generator inside because of the high temperature damage.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a hydraulic generator main shaft cooling device, its characterized in that, including inlet, the liquid outlet of setting on the bearing frame, be equipped with bearing and bearing in the bearing frame and install on the main shaft of generator, the inside cooling chamber that is equipped with of bearing frame, cooling chamber and inlet and liquid outlet intercommunication set up, the inlet passes through the feed liquor union coupling condenser pipe delivery port, the liquid outlet passes through the drain pipe and connects the condenser pipe water inlet, the condenser pipe sets up bottom in the cooling chamber, condenser pipe upper portion is equipped with a plurality of radiator fan, the cooling chamber lower surface is equipped with the fin, be equipped with a plurality of baffle in the condenser pipe, the one end of baffle is connected on the condenser pipe internal surface.

2. The shaft cooling device for a hydraulic generator according to claim 1, wherein the condensation duct is a serpentine duct.

3. The cooling device for the main shaft of the hydraulic generator according to claim 1, wherein the partition plates are spiral along the axial direction of the condensation pipe and are uniformly distributed.

4. The cooling device for the main shaft of the hydraulic generator according to claim 1, wherein a cooling liquid pump is disposed on the liquid inlet pipe.

5. The main shaft cooling device for a hydraulic generator according to claim 1, wherein the number of the heat dissipation fans is two, and the two heat dissipation fans are symmetrically arranged about a vertical center line of the cooling chamber.

6. The main shaft cooling device for the hydraulic generator according to claim 1, wherein the heat sink is made of aluminum alloy.

7. The cooling device for the main shaft of the hydraulic generator according to claim 1, wherein a bracket is arranged at the lower part of the cooling device.