CN216520854U - Centralized lubricating device for control ring of water guide mechanism of bulb tubular turbine - Google Patents
Centralized lubricating device for control ring of water guide mechanism of bulb tubular turbine Download PDFInfo
- Publication number
- CN216520854U CN216520854U CN202220006146.7U CN202220006146U CN216520854U CN 216520854 U CN216520854 U CN 216520854U CN 202220006146 U CN202220006146 U CN 202220006146U CN 216520854 U CN216520854 U CN 216520854U
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- CN
- China
- Prior art keywords
- control ring
- ring
- distributor
- lubricating grease
- lubricating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 78
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000004519 grease Substances 0.000 claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000005461 lubrication Methods 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000009826 distribution Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000001502 supplementing effect Effects 0.000 abstract description 2
- 230000032683 aging Effects 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 abstract 1
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Hydraulic Turbines (AREA)
Abstract
The utility model discloses a centralized lubricating device for a bulb tubular turbine water distributor control ring. Belonging to the technical field of hydropower station equipment. The control ring lubricating grease overflow is caused by water inflow, radial clearance between the pressure ring and the control ring exceeding standard, tongue-shaped seal aging or abrasion and improper lubricating grease selection, so that the steel ball is lack of lubrication, and the control ring track and the steel ball are seriously abraded (rusted). The utility model provides a centralized lubricating mechanism for a control ring, which can be used for supplementing lubricating grease in time after the lubricating grease overflows, also can be used for intensively filling the lubricating grease during maintenance and simultaneously meets the requirement of periodic lubrication of the control ring.
Description
Technical Field
The utility model relates to a centralized lubricating mechanism, in particular to a centralized lubricating device for a bulb tubular turbine distributor control ring.
Background
In recent years, with the rapid development of new energy in China, after solar power generation and wind power generation are vigorously developed, the peak regulation and standby tasks borne by a hydropower station are more prominent, the power of a water turbine is adjusted timely, a control ring rotates around an outer ring of a water distributor ceaselessly in a circular manner under the operation of a guide vane servomotor, the abrasion degree of steel balls and rails between the control ring and the outer ring of the water distributor is increased, the radial gap between the control ring and the outer ring of the water distributor is enlarged, the control ring deflects to one side, the force of the servomotor is uneven, the servomotor is eccentrically worn, and the water leakage of a guide vane in a closed state is increased. Meanwhile, the control ring enters the control ring due to water leakage of the outer shaft head of the guide vane on the wall surface at the upstream of the water distributor, radial clearance between the pressure ring and the control ring exceeds the standard, tongue-shaped seal is aged or abraded, and lubricating grease is improperly selected, so that lubricating grease of the control ring overflows, the steel ball is lack of necessary lubrication, and the control ring rail and the steel ball are seriously abraded and rusted. The severe person causes the control ring to be jammed and inflexible in operation, and threatens the safe and stable operation of the unit. In the past, the problem can be solved only by periodically switching the unit to a maintenance state, disassembling the control ring, derusting, checking the track and the steel ball of the control ring and coating grease. The mode of regular maintenance has consumed a large amount of manpower and materials like this, still directly influences the normal electricity generation of unit.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems of the control ring, the utility model provides the centralized lubricating device for the control ring of the water turbine, which is convenient to use and has a good effect.
In order to achieve the purpose, the utility model adopts the technical scheme that: a centralized lubricating device for a control ring of a water distributor of a bulb tubular turbine comprises a stirring rod type lubricating pump, a single-wire distributor group, a single-wire distributor oil supply branch pipe, an oil pressure sensor, a main oil pipe, a signal feedback line of the single-wire distributor oil pressure sensor and a straight-through type pressure injection oil cup on a control ring pressing ring.
The working process of the centralized lubricating device for the control ring of the water distributor of the bulb tubular turbine is that lubricating grease is loaded into an oil tank of the centralized lubricating device through a stirring rod type lubricating pump, the stirring rod cuts the lubricating grease when a motor runs, the lubricating grease moves downwards under the action of gravity, the lubricating grease is sent into an oil pumping opening of a plunger pump through a scraper, and the lubricating grease is pressurized by the plunger pump. One end of the main oil pipe is connected with the outlet of the self-lubricating pump plunger pump, and the other end of the main oil pipe is connected with the inlet of the single-wire distributor group. The pressurized lubricating grease enters the single-line distributor group through the main oil pipe, the single-line distributor group is connected with a straight-through type pressure injection oil cup arranged on the whole ring control ring pressure ring through a branch pipe connected to the outlet of the single-line distributor group, and the lubricating grease is conveyed into the control ring for lubricating the control ring.
The centralized lubricating device for the control ring of the water distributor of the bulb tubular turbine has the advantages that the mechanism adopts a full parallel connection structure, the tail end of the single-line distributor at the farthest end of the main oil pipe is provided with the oil pressure sensor, the running state of the system is detected in real time, and a fault signal is transmitted to the lubricating pump when a fault occurs. The amount of oil injected at each lubrication point can be set individually as needed based on the actual operating conditions of the control ring. The single-wire distributor set is equipped with auxiliary unloading valve, when the pressure of main oil pipe is raised to safe overflow pressure due to blockage, the main oil pipe is decompressed to ensure that the lubricating grease is quantitatively distributed to each lubricating point by the single-wire distributor, and the auxiliary unloading valve assists the single-wire distributor to decompress so as to realize the quantitative storage of the lubricating grease.
In the centralized lubricating device for the control ring of the water distributor of the bulb tubular turbine, the stirring rod type lubricating pump is arranged right above the water distribution ring outside the water distributor. Two single-line distributor groups (comprising auxiliary unloading valves) are arranged on the left side and the right side of the outer water distribution ring, and the branched branch pipes are uniformly connected to oil cups of the control ring pressure ring, so that the oil conveying capacity can be increased by adding a stirring rod type lubricating pump or the single-line distributor group when the requirement on lubricating grease of a large-scale unit is large.
In the centralized lubricating device for the control ring of the water distributor of the bulb tubular turbine, the stirring rod type lubricating pump is provided with the manual oil filling port, and the interface is connected with an external electric lubricating grease pump through the interface when the lubricating pump cannot work, so that lubricating grease is manually supplemented for the control ring.
The centralized lubricating device for the control ring of the water distributor of the bulb tubular turbine can be used for supplementing lubricating grease in time after the lubricating grease overflows, also can be used for intensively filling the lubricating grease during maintenance, and simultaneously meets the requirement of regular lubrication of the control ring.
Drawings
FIG. 1 is a schematic view of a bulb tubular turbine water distributor control ring mechanism; FIG. 2 is an enlarged view of a portion of FIG. 1 at A; FIG. 3 is a schematic view of a centralized lubrication mechanism for a bulb tubular turbine control ring; FIG. 4 is a partial schematic view of the oil supply of the centralized lubrication mechanism of the bulb tubular turbine control ring; in the figure: the serial number 1 is a control ring; 2 is a control annular compression ring, and 21 is a straight-through type pressure injection oil cup; 3 is the outer water distribution ring of the water distributor; 4, control ring tongue type rubber seal; 5 is a steel ball; 6, a stirring rod type lubricating pump, 61, a main oil pipe, 62, a signal feedback line of a single-wire type distributor oil pressure sensor and 63, a manual oil filling port; 7 is a single line distributor group, 71 is a single line distributor oil supply branch pipe, and 72 is an oil pressure sensor.
Detailed Description
The utility model discloses a centralized lubricating device for a control ring of a water distributor of a bulb tubular turbine, which comprises a stirring rod type lubricating pump 6, a single-wire distributor group 7, a single-wire distributor oil supply branch pipe 71, an oil pressure sensor 72, a main oil pipe 61, a single-wire distributor oil pressure sensor signal feedback line 62 and a straight-through type pressure injection oil cup 21 on a control ring pressing ring 2. The edge of the inner side of the control ring 1 is provided with a control ring pressing ring 2 along the circumferential direction, and the control ring 1 and the water distributor outer water distribution ring 3 slide through steel balls 5.
The utility model relates to a bulb tubular turbine water distributor control ring centralized lubricating device, which comprises the following working processes: the lubricating grease is loaded into the oil tank through the stirring rod type lubricating pump 6, the stirring rod cuts the lubricating grease when the motor runs, the lubricating grease moves downwards under the action of gravity, and the lubricating grease is sent into the oil pumping opening of the plunger pump through the scraper and is pressurized by the plunger pump. One end of the main oil pipe 61 is connected with the outlet of the self-lubricating pump plunger pump, and the other end is connected with the inlet of the single-thread distributor group 7. The pressurized lubricating grease enters the single-wire distributor group 7 through the main oil pipe 61, the single-wire distributor group 7 is connected with the straight-through type pressure injection oil cup 21 arranged on the whole ring control ring pressing ring 2 through the single-wire distributor oil supply branch pipe 71 connected to the outlet of the single-wire distributor group, and the lubricating grease is conveyed into the control ring 1 to lubricate the steel balls 5 of the control ring 1. An oil pressure sensor 72 is arranged at the tail end of the single-line distributor group 7 at the farthest end of the main oil pipe 61, the running state of the system is detected in real time, and when a fault occurs, the signal is transmitted to the stirring rod type lubricating pump 6 through a signal feedback line 62 of the single-line distributor oil pressure sensor. The stirring rod type lubricating pump 6 can independently set the oil injection amount of each straight-through type pressure injection cup 21 according to the actual operation condition of the control ring 1. The single-line distributor group 7 is provided with an auxiliary unloading valve, when the pressure of the main oil pipe 61 rises to the safe overflow pressure due to blockage, the main oil pipe 61 is depressurized to ensure that the lubricating grease is quantitatively distributed to each lubricating point through the single-line distributor group 7, and the auxiliary unloading valve assists the single-line distributor group 7 to be depressurized to realize the quantitative storage of the lubricating grease.
Further, for convenient operation, the stirring rod type lubricating pump 6 is arranged right above the water distributor outer water distribution ring 3. Two single-wire distributor groups 7 are arranged at the left side and the right side of the water distribution ring 3 outside the water distributor, the single-wire distributor oil supply branch pipes 71 distributed by the single-wire distributor groups 7 are uniformly connected to the straight-through type pressure injection oil cup 21 of the control ring compression ring 2, and the stirring rod type lubricating pump 6 or the single-wire distributor group 7 can be added to increase the oil transportation capacity when the requirement on lubricating grease of a large-scale unit is large. The stirring rod type lubricating pump 6 is provided with a manual oil filling port 63, and when the lubricating pump 6 cannot work, the manual oil filling port 63 is connected with an external electric lubricating grease pump through the manual oil filling port 63, so that lubricating grease is manually supplemented to the control ring 1.
Claims (1)
1. The utility model provides a bulb tubular turbine water distributor control ring centralized lubrication device which characterized in that: the system comprises a stirring rod type lubricating pump (6), a single-wire distributor group (7), a single-wire distributor oil supply branch pipe (71), an oil pressure sensor (72), a main oil pipe (61), a single-wire distributor oil pressure sensor signal feedback line (62) and a straight-through type pressure injection oil cup (21) on a control annular compression ring (2); a control ring pressing ring (2) is arranged on the edge of the inner side of the control ring (1) along the circumferential direction, and the control ring (1) and the water distributor outer water distribution ring (3) slide through steel balls (5); the lubricating grease is conveyed to an inlet of a single-line distributor group (7) through a main oil pipe (61) by a stirring rod type lubricating pump (6); then the lubricating grease is connected with a straight-through type pressure injection oil cup (21) arranged on the whole ring control ring pressure ring (2) through a single wire distributor oil supply branch pipe (71) at the outlet of the single wire distributor group (7), and the lubricating grease is conveyed into the control ring (1) to lubricate the steel balls (5) of the control ring (1); an oil pressure sensor (72) is arranged at the tail end of a single-line distributor group (7) at the farthest end of a main oil pipe (61), the running state of the system is detected in real time, and when a fault occurs, a signal feedback line (62) of the single-line distributor oil pressure sensor is transmitted to the stirring rod type lubricating pump (6); the stirring rod type lubricating pump (6) can independently set the oil injection amount of each straight-through type pressure injection oil cup (21) according to the actual operation condition of the control ring (1); the single-line distributor group (7) is provided with an auxiliary unloading valve, when the pressure of the main oil pipe (61) rises to the safe overflow pressure due to blockage, the main oil pipe (61) is depressurized to ensure that the lubricating grease is quantitatively distributed to each lubricating point through the single-line distributor group (7), and the auxiliary unloading valve assists the single-line distributor group (7) to be depressurized to realize the quantitative storage of the lubricating grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220006146.7U CN216520854U (en) | 2022-01-05 | 2022-01-05 | Centralized lubricating device for control ring of water guide mechanism of bulb tubular turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220006146.7U CN216520854U (en) | 2022-01-05 | 2022-01-05 | Centralized lubricating device for control ring of water guide mechanism of bulb tubular turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216520854U true CN216520854U (en) | 2022-05-13 |
Family
ID=81518523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220006146.7U Expired - Fee Related CN216520854U (en) | 2022-01-05 | 2022-01-05 | Centralized lubricating device for control ring of water guide mechanism of bulb tubular turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216520854U (en) |
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2022
- 2022-01-05 CN CN202220006146.7U patent/CN216520854U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220513 |
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| CF01 | Termination of patent right due to non-payment of annual fee |