CN216896725U - Hydraulic generator spray bearing safety oil level governing system - Google Patents

Hydraulic generator spray bearing safety oil level governing system Download PDF

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Publication number
CN216896725U
CN216896725U CN202220108015.XU CN202220108015U CN216896725U CN 216896725 U CN216896725 U CN 216896725U CN 202220108015 U CN202220108015 U CN 202220108015U CN 216896725 U CN216896725 U CN 216896725U
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oil
pipe
storage tank
oil storage
communicating pipe
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郑小康
路振刚
杨仕福
铎林
刘健俊
佟德利
朱忠英
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Dongfang Electric Machinery Co Ltd DEC
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Dongfang Electric Machinery Co Ltd DEC
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    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

Abstract

The utility model relates to the technical field of power generation equipment bearing lubrication, in particular to a safety oil level adjusting system for a spray bearing of a hydraulic generator, which comprises an oil storage tank, a circulating cooling system, an inter-tile oil supply pipe, a thrust bearing tile, a mirror plate and a thrust head, wherein a bottom plate of the oil storage tank is provided with a liquid level adjusting mechanism and an oil outlet pipe; the liquid level adjusting mechanism comprises an operating rod and a communicating pipe matched with the oil outlet pipe; communicating pipe one end is located the oil pipe, and the other end is located the batch oil tank, and still be provided with on communicating pipe and be used for passing through the journal stirrup that the screw thread closed soon with the action bars, the action bars rotation is used for driving communicating pipe and reciprocates in the oil pipe for realize in the batch oil tank that the oil storage from the top of communicating pipe gets into in the oil storage tank downwards. Through this governing system, can effectively solve the problem that can not the accurate adjustment oil storage tank oil level.

Description

Hydraulic generator spray bearing safety oil level governing system
Technical Field
The utility model relates to the technical field of power generation equipment bearing lubrication, in particular to a safety oil level adjusting system for a spray bearing of a hydraulic generator.
Background
The conventional hydraulic generator bearing is lubricated by generally adopting a soaking type operation mode, namely, when the unit operates, the bearing bush is always soaked in lubricating oil, and the safe operation of the bearing bush can be met only by ensuring that the circulating oil quantity of the bearing is sufficient. However, the immersion bearing can severely stir the lubricating oil in the oil storage tank during operation, and oil mist in the oil storage tank is easily generated. In addition, the loss of the immersion bearing is large.
For realizing the operation that sprays, unit operation liquid level is located below the rotary part, for preventing the emergence of oil pump outage accident, is provided with the oil storage tank of high-order generally in the top of bearing. Once the outer circulating oil pump has a power failure accident, the oil storage tank of the oil storage tank falls back to submerge the liquid level of the guide bearing and the liquid level of the thrust bearing, and the safety of the bearing bush is guaranteed.
In the prior art, a chinese utility model patent document with publication number CN207421131U and publication date of 2018, 05 and 29 is proposed, and the technical scheme disclosed in the patent document is as follows: a thrust bearing lubricating oil circulation system relates to the technical field of power generation equipment liquid lubrication. The oil-saving lubricating device comprises a rotating part, a supporting tile, a supporting part, an oil storage tank and an external circulating cooling system, wherein a sliding lubricating surface is formed between the rotating part and the supporting tile, the oil-saving lubricating device also comprises an oil storage tank and an inter-tile oil distribution system, an oil inlet pipe of the circulating cooling system is connected with the bottom of the oil storage tank, an oil outlet pipe of the circulating cooling system is connected with the upper part of the oil storage tank, one end of the inter-tile oil distribution system is connected with the lower part of the oil storage tank, the other end of the inter-tile oil distribution system extends into the oil storage tank, and oil in the oil storage tank is sprayed on the sliding lubricating surface formed between the rotating part and the supporting tile.
In the actual use process, the following problems can occur in the technical scheme:
the volume of the reservoir is theoretically equal to the reservoir level drop fluid volume, which is also the basis of reservoir design. However, different units have operation differences, such as differences in oil temperature, different amounts of generated bubbles, and the like. The oil storage height in the oil storage tank is changed by different oil temperatures, and the operation liquid level of the oil storage tank cannot be accurately estimated according to the amount of generated bubbles. The volume of the oil storage tank is designed to be too large, the liquid level of the oil storage tank is pulled down a lot, and the liquid level can not submerge the bearing bush in time when the pump is cut off, so that potential hazards are brought to the safe operation of the bearing bush; the oil storage tank has small volume design, and the liquid level of the oil storage tank can not be pulled below the rotating part, so that the oil storage tank can not play a role of a spray bearing.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a safe oil level adjusting system for a spray bearing of a hydraulic generator, which can effectively solve the problem that the oil level of an oil storage tank cannot be accurately adjusted and can meet the requirements of bearing systems under various working conditions, such as normal operation of a unit, shutdown of a broken pump and the like, on the oil level of the oil storage tank.
The utility model is realized by adopting the following technical scheme:
the utility model provides a hydraulic generator spray bearing safety oil level governing system, includes oil storage tank, circulative cooling system, the interior fuel feeding pipe of tile, thrust bearing tile, runner plate and thrust collar, its characterized in that: a liquid level adjusting mechanism and an oil outlet pipe are arranged on a bottom plate of the oil storage tank; the liquid level adjusting mechanism comprises an operating rod and a communicating pipe matched with the oil outlet pipe; communicating pipe one end is located the oil pipe, and the other end is located the batch oil tank, and still be provided with on communicating pipe and be used for passing through the journal stirrup that the screw thread closed soon with the action bars, the action bars rotation is used for driving communicating pipe and reciprocates in the oil pipe for realize in the batch oil tank that the oil storage from the top of communicating pipe gets into in the oil storage tank downwards.
Still be equipped with the seal groove on the inner wall of oil outlet pipe, be equipped with the sealing member in the seal groove.
The operating rod sequentially comprises a threaded section, a guide rod section and a square section.
The operating rod is further provided with a flange plate attached to the bottom plate, the flange plate is located between the guide rod section and the square section, and the flange plate is fixed through bolts.
And a sealing ring is also arranged between the flange plate and the bottom plate.
An oil discharge valve is further arranged on the bottom plate.
Still include the connecting pipe, the connecting pipe is with oil outlet pipe swing joint.
The ring pipe is communicated with the connecting pipe, and the inter-tile oil supply pipe is connected to the ring pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. after the machine is started, the circulating cooling system supplies the oil in the oil storage tank to the oil storage tank, the oil in the oil storage tank is increased, and the oil in the oil storage tank is reduced; the oil storage tank has less oil and the oil storage tank has more oil. In the utility model, the operating rod can rotate to drive the communicating pipe to move up and down according to the actual operation condition of the unit bearing, the oil storage capacity of the oil storage tank can be changed by adjusting the height of the communicating pipe, thereby playing the role of accurately adjusting the liquid level in the oil storage tank, meeting the requirements of bearing systems under various working conditions such as normal operation of the unit, shutdown of a pump and the like on the oil level of the oil storage tank,
2. the cooperation of seal groove and sealing member is used for communicating pipe can reciprocate in the oil pipe, can let the oil storage only can follow the top entering oil storage tank of communicating pipe, prevents that communicating pipe and the nested part of oil pipe from taking place the oil leak, and in case the oil leak, the oil of oil storage tank will all fall down, and the initial liquid level of oil storage tank has just increased.
3. The operating rod comprises a threaded section, a guide rod section and a square section in sequence, wherein the guide rod section is used for being better matched with the opening of the oil groove bottom plate, so that the operating rod can rotate more easily. The square section is arranged, so that a better mounting tool can be used, and the operation and rotation are facilitated.
4. Still be equipped with the ring flange with the bottom plate laminating on the action bars, the ring flange is located between guide rod section and the square section, and is fixed the ring flange through the bolt, connects conveniently, still is equipped with the sealing washer between ring flange and bottom plate for sealed effect is better.
5. And the bottom plate is also provided with an oil discharge valve for discharging the oil stored at the bottom of the oil storage tank during maintenance.
6. Still include the connecting pipe, the connecting pipe is with play oil pipe swing joint, the better installation of being convenient for and maintenance batch oil tank.
7. The ring pipe is communicated with the connecting pipe, and the oil supply pipe between the tiles is connected to the ring pipe, so that the oil supply effect between the tiles is better.
Drawings
The utility model will be described in further detail with reference to the following description taken in conjunction with the accompanying drawings and detailed description, in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of region A of the present invention;
the mark in the figure is:
1. the oil storage tank comprises an oil storage tank, 2, an external circulation oil pump, 3, an oil storage tank, 4, an oil inlet pipe, 5, an inter-tile oil supply pipe, 6, a cooler, 7, a thrust bearing tile, 8, a mirror plate, 9, a thrust head, 10, a communicating pipe, 11, a sealing groove, 12, an oil outlet pipe, 13, a support lug, 14, an operating rod, 15, a guide rod section, 16, a sealing ring, 17, a square section, 18, a bolt, 19, an oil discharge valve, 20, a connecting pipe, 21 and a ring pipe.
Detailed Description
Example 1
As a basic implementation mode of the utility model, the utility model comprises a safe oil level adjusting system of a spray bearing of a hydraulic generator, which comprises an oil storage tank 1, an oil storage tank 3, a circulating cooling system, an inter-tile oil supply pipe 5, thrust bearing tiles 7, a mirror plate 8 and a thrust head 9. The bottom plate of the oil storage tank 1 is provided with a liquid level adjusting mechanism and an oil outlet pipe 12. The liquid level regulating mechanism comprises an operating rod 14 and a communicating pipe 10 matched with the oil outlet pipe 12. The operating rod 14 penetrates through the bottom plate upwards, and a threaded section is arranged on the operating rod 14 positioned in the oil storage tank 1. One end of the communicating pipe 10 is embedded in the oil outlet pipe 12, the other end is located in the oil storage tank 1, and the communicating pipe 10 is further provided with a support lug 13 which is screwed with the operating rod 14 through threads. The operation rod 14 rotates to drive the communicating pipe 10 to move up and down in the oil outlet pipe 12, so that the stored oil in the oil storage tank 1 can enter the oil storage tank 3 from the top of the communicating pipe 10.
Example 2
As a preferred embodiment of the utility model, the utility model comprises a safety oil level adjusting system for a spray bearing of a hydraulic generator, which comprises an oil storage tank 1, an oil storage tank 3, a circulating cooling system, an inter-tile oil supply pipe 5, thrust bearing tiles 7, a mirror plate 8 and a thrust head 9. The bottom plate of the oil storage tank 1 is provided with a liquid level adjusting mechanism, an oil outlet pipe 12, an oil discharge valve 19 and a through hole for the operating rod 14 to pass through. The liquid level regulating mechanism comprises an operating rod 14 and a communicating pipe 10 matched with the oil outlet pipe 12. The operating rod 14 is inserted into the oil reservoir 1 from the inside of the through hole, and the operating rod 14 is rotatable in the through hole. In order to realize sealing, a rubber ring can be arranged in the through hole. One end of the communicating pipe 10 is embedded in the oil outlet pipe 12, and the other end is positioned in the oil storage tank 1. Still be equipped with seal groove 11 on the inner wall of oil outlet pipe 12, be equipped with the sealing member in the seal groove 11, avoid nested part to take place the oil leak.
The communicating pipe 10 is further provided with a support lug 13 screwed with the operating rod 14 through threads, and the operating rod 14 rotates to drive the communicating pipe 10 to move up and down in the oil outlet pipe 12, so that the stored oil in the oil storage tank 1 can enter the oil storage tank 3 from the top of the communicating pipe 10 downwards.
The oil outlet pipe is characterized by further comprising a connecting pipe 20, wherein the connecting pipe 20 is movably connected with the oil outlet pipe 12 and can be in threaded connection. The other end of the connecting pipe 20 can be connected with an inter-tile oil supply pipe 5 for realizing spray lubrication.
Example 3
As another preferred embodiment of the utility model, the utility model comprises a safe oil level adjusting system for a spray bearing of a hydraulic generator, which comprises an oil storage tank 1, an oil storage tank 3, a circulating cooling system, an inter-tile oil supply pipe 5, thrust bearing tiles 7, a mirror plate 8 and a thrust head 9. The bottom plate of the oil storage tank 1 is provided with a liquid level adjusting mechanism, an oil outlet pipe 12 and a through hole. The liquid level regulating mechanism comprises an operating rod 14 and a communicating pipe 10 matched with the oil outlet pipe 12. The operating rod 14 comprises a threaded section, a guide rod section 15 and a square section 17 in sequence. And a flange plate is also arranged between the guide rod section 15 and the square section 17. The operating rod 14 penetrates through the through hole and is upwards inserted into the oil storage tank 1, the threaded section is located in the oil storage tank 1, the guide rod section 15 is matched with the through hole and is easy to rotate, the flange plate is attached to the bottom plate, the attaching surface is provided with the sealing ring 16, and the flange plate and the bottom plate are fixed together through the bolt 18.
One end of the communicating pipe 10 is located in the oil outlet pipe 12, the other end of the communicating pipe is located in the oil storage tank 1, and a support lug 13 screwed with the operating rod 14 is further arranged on the communicating pipe 10. The square section 17 is rotated to drive the thread section, so that the communicating pipe 10 is driven to move up and down in the oil outlet pipe 12, and the stored oil in the oil storage tank 1 can enter the oil storage tank 3 from the top of the communicating pipe 10 downwards.
Example 4
Referring to the attached figure 1 of the specification, the utility model comprises a safety oil level adjusting system of a spray bearing of a hydraulic generator, which comprises an oil storage tank 1, an oil storage tank 3, a circulating cooling system, an inter-tile oil supply pipe 5, a thrust bearing tile 7, a mirror plate 8 and a thrust head 9. The circulative cooling system is including advancing oil pipe 4, it links to each other with batch oil tank 1 to advance 4 one ends of oil pipe, and the other end links to each other with batch oil tank 3, and advances to still be provided with outer circulating oil pump 2 and cooler 6 on oil pipe 4. An oil outlet pipe 12 is arranged on the bottom plate of the oil storage tank 1. The oil outlet pipe 12 is movably connected with a connecting pipe 20, which can be a flange connection. The other end of the connection pipe 20 may be connected to a loop pipe 21, and the inter-tile supply pipe 5 is connected to the loop pipe 21. The number of the inter-tile oil supply pipes 5 is matched with the number of the thrust bearing tiles 7, and is generally consistent with the number of the thrust bearing tiles 7. The other end of the inter-tile oil supply pipe 5 is communicated to the space between the thrust bearing tiles 7 and is positioned below the mirror plate 8, and the oil outlet of the inter-tile oil supply pipe 5 is positioned on one surface facing the mirror plate 8 and is directly sprayed onto the surface of the mirror plate 8. At first, the oil liquid level in the oil storage tank 3 is located initial liquid level position, and the oil storage is taken out through the interior oil storage of oil storage tank 3 after the external circulation oil pump 2 starts and is got into the batch oil tank 1 after 6 coolings in the cooler, and the oil storage slowly increases in the batch oil tank 1, and the oil storage liquid level descends in the batch oil tank 3, treats that the liquid level operation is stable after, stores up slow lubricating oil in the batch oil tank 1, and the 3 oil levels in batch oil tank are located the working oil level. In order to accurately adjust the working oil level position of the oil storage tank 3, a liquid level adjusting mechanism is further installed on the bottom plate of the oil storage tank 1. Referring to fig. 2 of the drawings, the liquid level adjusting mechanism includes an operating lever 14 and a communicating pipe 10 matching with the oil outlet pipe 12. One end of the communicating pipe 10 is positioned in the oil outlet pipe 12, and the other end is positioned in the oil storage tank 1. The operating rod 14 comprises a threaded section, a guide rod section 15, a flange plate and a square section 17 in sequence. The bottom plate of the oil storage tank 1 is provided with a through hole matched with the guide rod section 15, so that the oil storage tank is easier to rotate. The operating rod 14 is passed upwardly through the through hole so that the threaded section is located within the reservoir 1. The flange plate is attached to the bottom plate of the oil storage tank 1, a sealing ring 16 is arranged on the attaching surface, and the flange plate and the bottom plate are fixed together through bolts 18. The upper part of the communication pipe 10 is further provided with a support lug 13 screwed with the operating rod 14. The threaded section is driven by rotating the square section 17, so that the communicating pipe 10 is driven to move up and down in the oil outlet pipe 12, the stored oil in the oil storage tank 1 downwards enters the oil storage tank 3 from the top of the communicating pipe 10, the oil mass entering the oil storage tank is changed, and the working liquid level of the oil storage tank 3 is adjusted.
In order to achieve precise fit between the communication pipe 10 and the oil outlet pipe 12, a seal groove 11 is further provided on the inner wall of the oil outlet pipe 12, and a packing is provided in the seal groove 11 so that the communication pipe 10 can move up and down in the oil outlet pipe 12 without oil leakage.
And an oil discharge valve 19 is also arranged on the bottom plate and used for discharging the oil stored at the bottom of the oil storage tank 1 during maintenance.
In summary, after reading the present disclosure, those skilled in the art should make various other modifications without creative efforts according to the technical solutions and concepts of the present disclosure, which are within the protection scope of the present disclosure.

Claims (8)

1. The utility model provides a hydraulic generator spray bearing safety oil level governing system, includes oil storage tank (1), oil storage tank (3), circulative cooling system, inter tile oil feed pipe (5), thrust bearing tile (7), runner plate (8) and thrust collar (9), its characterized in that: a bottom plate of the oil storage tank (1) is provided with a liquid level adjusting mechanism and an oil outlet pipe (12); the liquid level adjusting mechanism comprises an operating rod (14) and a communicating pipe (10) matched with the oil outlet pipe (12); communicating pipe (10) one end is located out oil pipe (12), and the other end is located batch oil tank (1), and still be provided with on communicating pipe (10) and be used for with branch ear (13) that operating rod (14) closed through the screw thread soon, operating rod (14) rotation is used for driving communicating pipe (10) and reciprocates in out oil pipe (12) for realize in the oil storage tank (1) the top of oil storage from communicating pipe (10) gets into in oil storage tank (3) downwards.
2. The system of claim 1 for regulating the safe oil level of the spray bearing of the hydraulic generator, which is characterized in that: the inner wall of the oil outlet pipe (12) is also provided with a sealing groove (11), and a sealing piece is arranged in the sealing groove (11).
3. The system of claim 1 for regulating the safe oil level of the spray bearing of the hydraulic generator, which is characterized in that: the operating rod (14) sequentially comprises a threaded section, a guide rod section (15) and a square section (17).
4. The system of claim 3 for regulating the safe oil level of the spray bearing of the hydraulic generator, which is characterized in that: and the operating rod is also provided with a flange plate attached to the bottom plate, the flange plate is positioned between the guide rod section (15) and the square section (17), and the flange plate is fixed through a bolt (18).
5. The safety oil level adjusting system for the spray bearing of the hydro-generator according to claim 4, characterized in that: and a sealing ring (16) is also arranged between the flange plate and the bottom plate.
6. The system for regulating the safe oil level of the spray bearing of the hydraulic generator according to claim 1 or 5, wherein: an oil discharge valve (19) is also arranged on the bottom plate.
7. The system of claim 1 for regulating the safe oil level of the spray bearing of the hydraulic generator, which is characterized in that: the oil outlet pipe is characterized by further comprising a connecting pipe (20), wherein the connecting pipe (20) is movably connected with the oil outlet pipe (12).
8. The system of claim 7 for regulating the safe oil level of the spray bearing of the hydraulic generator, which is characterized in that: the device also comprises a ring pipe (21) communicated with the connecting pipe (20), and the inter-tile oil supply pipe (5) is connected to the ring pipe (21).
CN202220108015.XU 2022-01-17 2022-01-17 Hydraulic generator spray bearing safety oil level governing system Active CN216896725U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115164080A (en) * 2022-07-15 2022-10-11 东方电气集团东方电机有限公司 Generator, starting method and shutdown method thereof, and computer readable storage medium
CN116498739A (en) * 2023-06-30 2023-07-28 广汽埃安新能源汽车股份有限公司 Oil cooling system of automobile oil cooling electric drive assembly and automobile

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115164080A (en) * 2022-07-15 2022-10-11 东方电气集团东方电机有限公司 Generator, starting method and shutdown method thereof, and computer readable storage medium
CN115164080B (en) * 2022-07-15 2024-04-05 东方电气集团东方电机有限公司 Generator, starting method and shutdown method thereof, and computer readable storage medium
CN116498739A (en) * 2023-06-30 2023-07-28 广汽埃安新能源汽车股份有限公司 Oil cooling system of automobile oil cooling electric drive assembly and automobile
CN116498739B (en) * 2023-06-30 2023-10-27 广汽埃安新能源汽车股份有限公司 Oil cooling system of automobile oil cooling electric drive assembly and automobile

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