CN217152700U

CN217152700U - Oil cooling structure for bearing of water turbine

Info

Publication number: CN217152700U
Application number: CN202123406474.0U
Authority: CN
Inventors: 柳家平
Original assignee: Jiangsu Huanxin Machinery Co ltd
Current assignee: Jiangsu Huanxin Machinery Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-09
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses an oil cooling structure for a bearing of a water turbine, which comprises a bearing seat, a main shaft penetrates through the inner part of the bearing seat, a sealing element is arranged on the outer side of the bearing seat on the outer surface of the main shaft, an impeller is arranged on one side of the sealing element on one end of the main shaft, a bearing is arranged on the inner part of the bearing seat on the outer surface of the main shaft, an oil spraying pipe penetrates through the two inner sides of the bearing seat, a nozzle is arranged at one end of the oil spraying pipe, an oil collecting pipe is fixedly connected with the inner wall of the bearing seat, a dropper is arranged on the outer surface of the oil collecting pipe, the oil spraying pipe injects oil into the oil collecting pipe through the nozzle, the oil collecting pipe extrudes the oil to the inner part of the bearing in multiple directions through a plurality of droppers arranged on the outer surface, the oil collecting pipe can reduce the oil pressure of the oil sprayed by the nozzle, the oil is prevented from splashing around to generate waste, the oil can drip to the inner part of the bearing in multiple directions through the arrangement of the droppers, the cooling effect of the bearing is more uniform and quicker.

Description

Oil cooling structure for bearing of water turbine

Technical Field

The utility model relates to a cooling structure technical field specifically is a hydraulic turbine is oil cooling structure for bearing.

Background

The hydraulic turbine generally mainly has two kinds of cooling methods of water-cooling and oil cooling, because oil is cold for direct cooling, the cooling efficiency is high, be favorable to promoting the power density of motor, consequently, the cold mode of oil is used widely, traditional oil is cold the mechanism and is generally through setting up the fuel sprayer at the bearing both ends, the mode of spraying lubricating oil in to the ball of bearing reduces the temperature of bearing, and the comparatively thick great injection pressure of needs of lubricating oil, the mode of this kind of direct injection lubricating oil makes oil splash easily, not only produce extravagantly, and the cooling effect of bearing is relatively poor. Therefore, the oil cooling structure for the bearing of the water turbine is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a hydraulic turbine is oil cooling structure for bearing, including the bearing frame, the inside activity of bearing frame is run through there is the main shaft, the outside that the surface of main shaft is located the bearing frame is provided with the sealing member, and one side that the one end of main shaft is located the sealing member is provided with the impeller, the inside that the surface of main shaft is located the bearing frame is provided with the bearing, the inside both sides of bearing frame are run through there is the oil spout pipe, the one end of oil spout pipe is provided with the shower nozzle, the inner wall fixedly connected with collection oil pipe of bearing frame, the surface of collection oil pipe is provided with the burette.

As an optimal technical scheme of the utility model, the one end fixed connection of shower nozzle is in the inside of collection oil pipe, the collection oil pipe is located between bearing frame and the bearing.

As an optimal technical scheme of the utility model, the side surface parallel arrangement that the collection oil pipe is located the bearing, be connected perpendicularly between shower nozzle and the collection oil pipe.

As an optimized technical proposal of the utility model, the dropper is vertically connected with the oil collecting pipe and is close to the outer surface of the bearing.

As an optimal technical scheme of the utility model, the one end of spouting the oil pipe extends to the outside of bearing frame, spout and be parallel to each other between oil pipe and the collection oil pipe.

As a preferred technical scheme of the utility model, the opposite side that the inside of bearing frame is located the bearing is provided with the collecting vat, the surface packing that the both ends of collecting vat are located the bearing frame has the shutoff valve.

As an optimized technical scheme of the utility model, the collecting vat is the linear type structure, the shutoff valve is the rubber material.

The utility model has the advantages that:

1. this kind of hydraulic turbine is oil cooling structure for bearing, through pouring into oil from spouting the oil pipe, spout the inside that the oil pipe passes through the shower nozzle with oil injection collection oil pipe, collection oil pipe is through a plurality of droppers of surface setting with the multidirectional inside of extruding to the bearing of oil, the setting of collection oil pipe can reduce the oil pressure that the shower nozzle erupted, prevent that oil from spattering and producing extravagantly, the setting of a plurality of droppers can make oil along the inside of a plurality of position drippage to the bearing, the effect that makes the bearing cooling is more even and quick.

2. This kind of hydraulic turbine is oil cooling structure for bearing, oil can be collected from the inside of bearing throw away or drippage to the inside of collecting tank at the rotatory in-process of bearing, is convenient for carry out recycle to oil, and the collecting vat of linear type structure is convenient for take oil out from bearing frame's inside, uses the shutoff valve to carry out the shutoff with the both ends of collecting vat, can prevent that oil from outwards spilling over.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of an internal sectional view of an oil cooling structure for a bearing of a water turbine according to the present invention;

FIG. 2 is an enlarged schematic view of a portion A in FIG. 1 of an oil cooling structure for a bearing of a water turbine according to the present invention;

fig. 3 is a schematic view of a partial cross-sectional structure of an oil cooling structure for a bearing of a water turbine according to the present invention.

In the figure: 1. a bearing seat; 2. a main shaft; 3. a seal member; 4. an impeller; 5. a bearing; 6. an oil spray pipe; 7. a spray head; 8. an oil collecting pipe; 9. a dropper; 10. collecting tank; 11. and (4) plugging the valve.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the utility model relates to an oil cooling structure for hydraulic turbine bearing, including bearing frame 1, main shaft 2 has been run through in the inside activity of bearing frame 1, the outside that the surface of main shaft 2 is located bearing frame 1 is provided with sealing member 3, and one side that the one end of main shaft 2 is located sealing member 3 is provided with impeller 4, the inside that the surface of main shaft 2 is located bearing frame 1 is provided with bearing 5, the inside both sides of bearing frame 1 are run through has oil spout pipe 6, the one end of oil spout pipe 6 is provided with shower nozzle 7, the inner wall fixedly connected with collection oil pipe 8 of bearing frame 1, the surface of collection oil pipe 8 is provided with burette 9.

Wherein, one end of the spray head 7 is fixedly connected inside the oil collecting pipe 8, the oil collecting pipe 8 is positioned between the bearing seat 1 and the bearing 5, the oil collecting pipe 8 is positioned on the side surface of the bearing 5 and is arranged in parallel, the spray head 7 is vertically connected with the oil collecting pipe 8, the dropper 9 is close to the outer surface of the bearing 5, one end of the oil spraying pipe 6 extends to the outer side of the bearing seat 1, the oil spraying pipe 6 is parallel to the oil collecting pipe 8, the oil is injected from the oil spraying pipe 6, the oil spraying pipe 6 injects the oil into the oil collecting pipe 8 through the spray head 7, the oil collecting pipe 8 extrudes the oil to the inside of the bearing 5 in multiple directions through the plurality of droppers 9 arranged on the outer surface, the oil collecting pipe 8 can reduce the oil pressure of the oil sprayed by the spray head 7, the waste caused by the four splashes of the oil is prevented, the plurality of droppers 9 can enable the oil to drop to the inside of the bearing 5 in multiple directions, the cooling effect of the bearing 5 is more uniform and faster.

Wherein, the inside opposite side that is located bearing 5 of bearing frame 1 is provided with collecting vat 10, the surface packing that the both ends of collecting vat 10 are located bearing frame 1 has shutoff valve 11, collecting vat 10 is the linear type structure, shutoff valve 11 is the rubber material, oil is thrown away or is driped from the inside of bearing 5 and collects the inside of collecting vat 10, be convenient for carry out recycle to oil, and the collecting vat 10 of linear type structure is convenient for take oil out from the inside of bearing frame 1, use shutoff valve 11 to carry out the shutoff with the both ends of collecting vat 10, can prevent that oil from outwards spilling over.

The working principle is as follows: pour into oil from spouting oil pipe 6, spout oil pipe 6 and pour into the inside of collection oil pipe 8 with oil through shower nozzle 7, collection oil pipe 8 extrudes oil multidirectionally to bearing 5's inside through a plurality of burettes 9 of surface setting, the oil pressure of the oil that shower nozzle 7 erupted can be reduced in the setting of collection oil pipe 8, prevent that oil from spattering and producing extravagantly, the setting of a plurality of burettes 9 can make oil along a plurality of position drippage to bearing 5's inside, the effect that makes bearing 5 cool down is more even and quick, oil can be collected from bearing 5 inside throw away or drippage to the inside of collecting tank 10 at the rotatory in-process of bearing 5, be convenient for carry out recycle to oil, and the collecting tank 10 of linear type structure is convenient for take oil out from bearing frame 1's inside, use shutoff valve 11 to carry out the shutoff with the both ends of collecting tank 10, can prevent that oil from outwards overflowing.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 according to specific situations by those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a hydraulic turbine is oil cooling structure for bearing, includes bearing frame (1), its characterized in that, the inside activity of bearing frame (1) is run through and is had main shaft (2), the outside that the surface of main shaft (2) is located bearing frame (1) is provided with sealing member (3), and one side that the one end of main shaft (2) is located sealing member (3) is provided with impeller (4), the inside that the surface of main shaft (2) is located bearing frame (1) is provided with bearing (5), the inside both sides of bearing frame (1) are run through and are had oil spout pipe (6), the one end of oil spout pipe (6) is provided with shower nozzle (7), the inner wall fixedly connected with collection oil pipe (8) of bearing frame (1), the surface of collection oil pipe (8) is provided with burette (9).

2. An oil cooling structure for a water turbine bearing according to claim 1, wherein one end of the nozzle (7) is fixedly connected to the inside of an oil collecting pipe (8), and the oil collecting pipe (8) is located between the bearing block (1) and the bearing (5).

3. An oil cooling structure for a water turbine bearing according to claim 1, wherein the oil collecting pipe (8) is disposed in parallel on a side surface of the bearing (5), and the spray head (7) and the oil collecting pipe (8) are vertically connected.

4. An oil cooling structure for a water turbine bearing according to claim 1, characterized in that the drip pipe (9) is vertically connected with the oil collecting pipe (8), and the drip pipe (9) is close to the outer surface of the bearing (5).

5. The oil cooling structure for the bearing of the water turbine as claimed in claim 1, wherein one end of the oil spray pipe (6) extends to the outside of the bearing seat (1), and the oil spray pipe (6) and the oil collection pipe (8) are parallel to each other.

6. An oil cooling structure for a water turbine bearing according to claim 1, wherein a collecting groove (10) is provided inside the bearing housing (1) at the other side of the bearing (5), and both ends of the collecting groove (10) at the outer surface of the bearing housing (1) are filled with a plugging valve (11).

7. The oil cooling structure for a turbine bearing according to claim 6, wherein the collecting groove (10) is of a straight-line type structure, and the block valve (11) is made of rubber.