CN203863637U - Hydraulic turbine generator thrust bearing force balance adjustment apparatus - Google Patents
Hydraulic turbine generator thrust bearing force balance adjustment apparatus Download PDFInfo
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- CN203863637U CN203863637U CN201420255712.3U CN201420255712U CN203863637U CN 203863637 U CN203863637 U CN 203863637U CN 201420255712 U CN201420255712 U CN 201420255712U CN 203863637 U CN203863637 U CN 203863637U
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- hammer
- thrust bearing
- energy
- spring
- adjusting device
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- 238000009527 percussion Methods 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000010304 firing Methods 0.000 abstract 1
- 230000013011 mating Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000005381 potential energy Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 3
- 210000003746 feather Anatomy 0.000 description 3
- 230000003116 impacting effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Abstract
The utility model relates to a hydraulic turbine generator thrust bearing force balance adjustment apparatus, in order to solve the problem that the time and effort are wasted in hydroelectric generator group thrust bearing force adjustment and the problems of the difficulty of thrust force balance adjustment caused by uneven force, higher temperature of part pad caused by uneven force of a thrust pad and the influence to the running stability of the safety of the machine group are solved. The hydraulic turbine generator thrust bearing force balance adjustment apparatus comprises a barrel body, a movable support for supporting the barrel body and a power cylinder located on tail end of the barrel body and is characterized in that a striking hammer is set in the barrel body; an energy-storing spring is set between the striking hammer and the power cylinder; a mating portion of a firing control device mounted on the barrel body is set at a front end of the striking hammer; and a hammer reset pull rod is set on one end of the striking hammer towards the direction of the energy-storing spring. The utility model has the advantages of high efficiency and security, short duration of operation and convenient moving; the force is applied uniformly, so the thrust bearing force adjustment is ensured to be accurate and balanced, and the force adjustment of the machine group is good; and the maintenance process is enhanced; the watt temperature is decreased; and the service life of the thrust pad is prolonged.
Description
Technical field
The utility model relates to mechanical equipment technical field, especially a kind of hydraulic generator thrust bearing stress balance adjusting device.
Background technology
Thrust bearing is the vitals of hydraulic generator unit, is carrying weight and the hydraulic thrust of the whole rotary part of unit, and the safety and stablization of thrust bearing are the necessary conditions that guarantees hydraulic generator unit safe and stable operation.Most Hydropower Unit adopts rigidity screw column support type bearing, it is mainly comprised of runner plate, bearing shell, pallet, anti-heavy screw, oil cooler and oil groove etc., bearing shell is placed on pallet, pallet is supported on the anti-heavy screw terminal of sphere, can when different rotating speeds and load, automatically adjust bearing shell gradient, to set up suitable wedge-shaped oil film.Bearing is generally comprised of some fan-shaped elastic metal plastic tiles, as shown in Figure 8.Structure and effect restriction because of unit thrust bearing, need be when major overhaul or the excessive repairing of unit vibration throw, after unit axis etc. is readjusted, must carry out thrust bearing force bearing adjustment, adopt the mode of manually making hammer, allow the stressed basic identical of every thrust bearing shoe valve, not only require great effort time-consuming, and different personnel operate its level, dynamics is uneven, cause thrust force bearing adjustment difficulty, also can, because of manpower adjustment, strength inequality, cause thrust bearing shoe valve unbalance stress, make part watt temperature drift, affect unit safety stable operation.
Hammering device is applied very wide in industrial production, if patent publication No. is CN101781969A, disclosed a kind of self-rotating air hammer, comprise rotation interrupter, rotating mechanism, valve actuating mechanism, piston component and Anti-fall bore bit, rotation interrupter comprises top connection, rubber seal cone, check valve case, spring, sealing ring and outer shell, wherein, top connection one end is threaded with BHA, the other end of top connection is threaded with outer shell, rubber seal cone and check valve case are positioned between the distribution flap of top connection and valve actuating mechanism by spring, sealing ring is arranged between top connection and outer shell, rotating mechanism comprises clutch, rifle bar and rifle nut, wherein, clutch is arranged on the distribution seat inside of valve actuating mechanism, rifle bar top is connected with clutch by spline, rifle bar bottom is connected with rifle nut by spline, rifle nut is threaded connection the piston top at piston component.This device, can also output torque when impact function is provided, makes pneumatic hammer spinning.And for example patent publication No. is CN102275698A, a kind of bunker wall vibration pneumatic hammer proposing, comprise solenoid directional control valve, cylinder, tup, rapid escape valve etc., cylinder is fixed on base, piston rod in cylinder connects tup, this device is whole to be arranged on outside bucket wall, by electric control system, realizes timing, vibration continuously, is mainly used in dredging hopper and stops up.These devices all cannot solve the problem of required solution in this programme.
Summary of the invention
The purpose of this utility model is when solving hydroelectric generation unit thrust bearing force bearing adjustment, waste time and energy, dynamics is uneven, cause thrust force bearing adjustment difficulty, thrust bearing shoe valve unbalance stress, makes part watt temperature drift, affects the problems such as unit safety stable operation, a kind of reasonable in design is provided, can guarantees exactly the hydraulic generator thrust bearing stress balance adjusting device that unit force bearing adjustment is good.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of hydraulic generator thrust bearing stress balance adjusting device, comprise cylindrical shell, supporting cylinder movable stand, be positioned at the actuating cylinder of cylindrical shell tail end, it is characterized in that being provided with in cylindrical shell peening hammer, between peening hammer and actuating cylinder, be provided with energy-stored spring, peening hammer front end is provided with and the auxiliary section that is arranged on the percussion actuation means on cylindrical shell, and peening hammer is provided with hammer reset lever towards one end of energy-stored spring direction.The technical program mainly contains following position and forms, the one, by peening hammer, moved impacting every thrust bearing shoe valve of thrust bearing, the 2nd, utilize the compression of energy-stored spring to carry out energy storage, the 3rd, energy is provided by pneumatic means, being that power is pneumatic gives energy-stored spring work done, makes after energy-stored spring energy storage the kinetic energy that is peening hammer by its potential energy converting and energy, thereby carries out strike work, the 4th, operation hand gear, pulls the trigger actuation means and hammer reset lever.By percussion actuation means limitation locking peening hammer, actuating cylinder configures pneumatic reversing switch, Compressed Gas is sent into actuating cylinder, cylinder piston moves ahead and by spring-compressed under the effect of Compressed Gas, when spring obtains after enough potential energy, start percussion actuation means, peening hammer is converted into kinetic energy by potential energy rapidly under the effect of spring force, peening hammer strike work spanner, thus make anti-heavy screw under impact force action, obtain enough moments of torsion.
As preferably, described peening hammer front end is provided with and the location buckle side of pulling the trigger actuation means and coordinating, and location buckle side is suitable to the distance of barrel front end face and the distance of two operating points of hammer reset lever.Percussion actuation means limits operating point by locating buckle side, keeps peening hammer to remain static in the amount of the enough energy of deposit, and the front end of peening hammer stretches out barrel front end and does stroke when energy-stored spring releases energy.
As preferably, described percussion actuation means comprises control stick, and one end of control stick is provided with quadrant and lacks, and described circle lacks and coordinates with rifle button one end, and the other end of rifle button coordinates with the location buckle side of peening hammer front end.Pull control stick, rifle be buckled under the scarce effect of quadrant, rifle button and peening hammer locating button emaciated face from, thereby peening hammer is gone out.
As preferably, described percussion actuation means also comprises percussion seat, in percussion seat, is provided with back-moving spring, and back-moving spring and rifle link and connect.It is upper that rifle button is fixed on percussion seat by bearing pin, under the effect of control stick, rotates, and while resetting after peening hammer work, by back-moving spring, rifle buckled and reset to and buckle side position, peening hammer location, prepares to impact next time.
As preferably, on the hammer body of described peening hammer, be provided with vertically gathering sill, this gathering sill coordinates with the guide-localization mechanism being arranged on movable stand.In order to guarantee the stability of peening hammer in impacting process, utilize gathering sill and guide-localization mechanism to carry out peening hammer guiding.
As preferably, described peening hammer front end is provided with the striking head that diameter is less than hammer body external diameter, and the end face of striking head is sphere, and the front end of cylindrical shell is provided with end cap, and end cap position is provided with buffer unit, and buffer unit is provided with the buffing pad that endoporus is greater than striking head diameter endoporus.Spheric end can make peening hammer have better positioning and guiding, and is difficult for fluffing in the process of working long hours.The buffer unit of barrel front end can absorb tup and hit rear unnecessary energy.
As preferably, described cylindrical shell is provided with the groove coordinating with hammer reset lever vertically, and hammer reset lever front portion is provided with bumping post.After tup work, can utilize hammer reset lever to reset, to obtain after potential energy task again.
As preferably, spring base is equipped with in described actuating cylinder piston rod end, and the hammer body tail end of peening hammer is provided with boss, and boss center is provided with blind hole, and energy-stored spring is arranged between spring base and boss.Spring base and boss have formed energy-stored spring two ends fixed part jointly, keep the fixed position of energy-stored spring and spring base, boss in the course of work.
As preferably, between described spring base and peening hammer boss, be provided with the energy-stored spring that is positioned at energy-stored spring inside, one end of interior energy-stored spring is arranged in the blind hole at boss center, and the rotation direction of interior energy-stored spring is contrary with energy-stored spring.The technical program adopts inside and outside double-spring structure, interior energy-stored spring is sleeved in energy-stored spring, and the one, increase spring force, the 2nd, improve the stability of peening hammer when impacting.
As preferably, described movable stand comprises carrier base, and the top of carrier base is fitted with turning cylinder, and the top of turning cylinder is provided with U-shaped frame, is provided with adjustment washer sets in the hypomere of carrier base, and the bottom of movable stand is provided with universal wheel.Arranging of universal wheel, turning cylinder helps peening hammer fast, correctly to find accurately and impact position, the supporting-point of UXing Jiayeshi guide-localization mechanism.
Effective effect of the present utility model is: thoroughly change and manually beat hammer or other impact device unequal phenomenon of exerting all one's strength that wastes time and energy, efficiently, the operation duration is short, conveniently moving, uniform force application, guaranteed the accurate balance of thrust bearing force bearing adjustment, thereby make unit force bearing adjustment good, promoted maintenance craft, reduce watt temperature, extended thrust bearing shoe valve service life, improve unit operation stability, guaranteed equipment and operator safety.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the right TV structure schematic diagram of the utility model Fig. 1.
Fig. 3 is the cylindrical shell front segment structure schematic diagram of the utility model Fig. 1.
Fig. 4 is the local structure for amplifying schematic diagram of a kind of percussion actuation means of the present utility model.
Fig. 5 is the local structure for amplifying schematic diagram of a kind of hammer reset lever of the present utility model.
Fig. 6 is a kind of cylindrical shell of the present utility model and actuating cylinder connecting portion structural representation.
Fig. 7 is a kind of cylindrical shell of the present utility model end buffer locations structural representation.
Fig. 8 is a kind of target rigidity thrust bearing schematic diagram of the present utility model.
In figure: 1. cylindrical shell, 101. end cap, 2. pull the trigger actuation means, 201. control stick, 202. percussion seats, 203. back-moving spring, 204. rifle buttons, 3. peening hammer, 4. energy-stored spring, 5. hammer reset lever, 501. crashproof nails, 502. bumping post, 6. actuating cylinder, 7. cylinder floor push, 8. interior energy-stored spring, 9. movable stand, 901. U-shaped framves, 902. turning cylinder, 903. carrier base, 904. adjust washer sets, 10. guide-localization mechanism, 1001. feather key locating piece, 1002. pressing plate, 11. spring bases, 12. spring travel indicating arms, 13. buffer units, 1301. buffing pad, 1302. buffer spring, 1303. cushion pad, 1304. equal pressing plate, 14. rigidity thrust bearings.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Referring to Fig. 1, Fig. 2, a kind of hydraulic generator thrust bearing stress balance of the present embodiment adjusting device, establishes a cylindrical shell 1, and cylindrical shell 1 is assemblied on movable stand 9, and the tail end of cylindrical shell is equipped with actuating cylinder 6.
In cylindrical shell 1, establish peening hammer 3, the tail end of peening hammer 3 is provided with boss, and as shown in Figure 3, the external diameter of this boss is used for fixing one end of energy-stored spring 4, and in a heavy blind hole of boss middle part reprocessing, this heavy blind hole is used for locating one end of interior energy-stored spring 8.At actuating cylinder piston rod head, be provided with a spring base 11, this spring base 11 is used for locating the other end of energy-stored spring 4, interior energy-stored spring 8.Interior energy-stored spring 8 is sleeved on the inside of energy-stored spring 4, and both rotation directions are contrary.Corresponding with peening hammer 3 tail ends, spring base 11 is equipped with in the piston rod end of actuating cylinder 6, and spring base 11 has the effect of location energy-stored spring 4, interior energy-stored spring 8.
The tail end limit portion of peening hammer 3 is provided with hammer reset lever 5, stretches out, and fill a bumping post 502 in hammer reset lever 5 forward positions in the groove hole that hammer reset lever 5 is offered vertically from cylindrical shell 1 wall, and the crashproof nail 501 of bumping post 502 use is fixing, as shown in Figure 5.
The front end of peening hammer 3 is provided with the striking head that one section of diameter is less than hammer body diameter, the end face of striking head is sphere, the shaft shoulder between striking head and hammer body has formed and the auxiliary section that is arranged on the percussion actuation means 2 on cylindrical shell, locate buckle side, the length of stretching out barrel front end during striking head work is provided with 80mm.
Percussion actuation means 2 is provided with a percussion seat 202, in percussion seat 202, by bearing pin, fix one and take bearing pin as the rotating rifle button 204 of hinge, referring to Fig. 4, in percussion seat 202, establish a back-moving spring 203, one end of back-moving spring 203 is buckled 204 with rifle and is connected, and guarantees the 204 action resets afterwards of rifle button.If a control stick 201, its one end coordinating with rifle button 204 has quadrant to lack, and by this circle, is lacked and is controlled 204 actions of rifle button, make rifle button 204 and peening hammer 3 location buckle sides complete button and from.During actual installation, percussion seat 202 bottoms should keep the gap of 2mm left and right with peening hammer 3 external diameters, and button 204 one end that make to draw guns exceed tup external diameter 2～3mm, after peening hammer 3 resets, play position-limiting action.
Front end at cylindrical shell 1 is equipped with end cap 101, and end cap 101 positions are used for installing buffer unit 13.
Buffer unit 13 as shown in Figure 7, be provided with a buffing pad 1301, buffing pad 1301 is provided with the endoporus that is greater than striking head diameter, buffing pad 1301 is connected with end cap 101 by flange form bolt connecting mode, buffing pad 1301 is provided with inner groove, in inner groove, arrange six buffer springs 1302, buffing pad 1301 is provided with six rubber making cushion pads 1303 in cylindrical shell 1, the end of cushion pad 1303 is provided with equal pressing plate 1304, and all 1304,6 buffer springs 1302 of pressing plate, cushion pad 1303 use six cover bolts are installed together and position.This structure makes cushion pad 1303 under the effect of buffer spring 1302 spring forces, have certain compression elasticity that is subject to, after this buffer unit 13 is impacted, peening hammer 3 slows down under cushion pad 1303 effects, and six cover bolts travel forward together in company with grading ring 1304 simultaneously; When peening hammer 3 leaves buffer unit 13, cushion pad 1303 resets, and meanwhile, grading ring 1304 is returned to original state together with six cover bolts.
On the hammer body of peening hammer 3, be provided with vertically two with the gathering sill of axle center symmetry, this gathering sill coordinates with the guide-localization mechanism 10 being arranged on movable stand 9.Guide-localization mechanism 10 comprises a feather key locating piece 1001 coordinating with gathering sill, and feather key locating piece 1001 is fixed on the U-shaped frame 901 two-port positions of movable stand 9 by pressing plate 1002, connecting bolt.
Downside at cylindrical shell 1 is provided with a length and 5 two equidistant grooves in operating point of hammer reset lever, as the orbit of spring travel indicating arm 12, is used for observing the operating position of energy-stored spring 4, spring base 11, as shown in Figure 6.
U-shaped frame 901 belows of movable stand 9 are connected with turning cylinder 902, turning cylinder 902 is inserted into the top of carrier base 903, in carrier base, be provided with the adjustment washer sets 904 that is sleeved on turning cylinder 902 hypomeres, adjust washer sets 904 and comprise some single pads, single padded degree is pressed 5mm, 10mm, 15mm numerical value setting by that analogy, is used for adjusting the working depth of peening hammer 3.The bottom of movable stand is provided with universal wheel.
With the supporting one group of pneumatic means of actuating cylinder 6, this device is comprised of pressure regulator valve, jettron, turnover tracheae, adpting flange etc., jettron is cylinder floor push 7, during work, start cylinder floor push 7, cylinder piston travels forward and promotes spring base 11 and moves ahead under the effect of Compressed Gas, spring base 11 compressed energy-storage springs 4 and interior energy-stored spring 8 storage potential energy, alignment work point, starts percussion actuation means 2, and energy-stored spring work done promotes tup and moves ahead and hit spanner; Complete after work done, unclamp floor push, piston rod reclaims, and pulls peening hammer 3 to the front position of hitting, and pressure regulator valve is installed on total inlet pipe and is used for adjusting tup hitting power.In this course of work, by buffer unit 13, absorb peening hammer 3 and hit rear unnecessary energy.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any structure after simple transformation of the present utility model is all belonged to protection domain of the present utility model.
Claims (10)
1. a hydraulic generator thrust bearing stress balance adjusting device, comprise cylindrical shell (1), supporting cylinder movable stand (9), be positioned at the actuating cylinder (6) of cylindrical shell tail end, it is characterized in that being provided with in cylindrical shell (1) peening hammer (3), between peening hammer and actuating cylinder, be provided with energy-stored spring (4), peening hammer front end is provided with and the auxiliary section that is arranged on the percussion actuation means (2) on cylindrical shell, and peening hammer is provided with hammer reset lever (5) towards one end of energy-stored spring direction.
2. a kind of hydraulic generator thrust bearing stress balance adjusting device according to claim 1, it is characterized in that described peening hammer (3) front end is provided with and the location buckle side of pulling the trigger actuation means (2) and coordinating, locate buckle side suitable to the distance of cylindrical shell (1) front end face and the distance of (5) two operating points of hammer reset lever.
3. a kind of hydraulic generator thrust bearing stress balance adjusting device according to claim 2, it is characterized in that described percussion actuation means (2) comprises control stick (201), one end of control stick is provided with quadrant and lacks, described circle lacks and coordinates with rifle button (204) one end, and the other end of rifle button coordinates with the location buckle side of peening hammer (3) front end.
4. according to a kind of hydraulic generator thrust bearing stress balance adjusting device described in claim 2 or 3, it is characterized in that described percussion actuation means (2) also comprises percussion seat (202), in percussion seat, be provided with back-moving spring (203), back-moving spring is buckled (204) and is connected with rifle.
5. according to a kind of hydraulic generator thrust bearing stress balance adjusting device described in claim 1 or 2 or 3, on the hammer body of the peening hammer (3) described in it is characterized in that, be provided with vertically gathering sill, this gathering sill coordinates with the guide-localization mechanism (10) being arranged on movable stand (9).
6. according to a kind of hydraulic generator thrust bearing stress balance adjusting device described in claim 1 or 2 or 3, it is characterized in that described peening hammer (3) front end is provided with the striking head that diameter is less than hammer body external diameter, the end face of striking head is sphere, the front end of cylindrical shell (1) is provided with end cap (101), end cap position is provided with buffer unit (13), and buffer unit is provided with the buffing pad (1301) that endoporus is greater than striking head diameter endoporus.
7. a kind of hydraulic generator thrust bearing stress balance adjusting device according to claim 1, it is characterized in that described cylindrical shell (1) is provided with the groove coordinating with hammer reset lever (5) vertically, hammer reset lever front portion is provided with bumping post (502).
8. according to a kind of hydraulic generator thrust bearing stress balance adjusting device described in claim 1 or 2 or 3 or 7, spring base (11) is equipped with in actuating cylinder (6) piston rod end described in it is characterized in that, the hammer body tail end of peening hammer (3) is provided with boss, boss center is provided with blind hole, and energy-stored spring (4) is arranged between spring base and boss.
9. a kind of hydraulic generator thrust bearing stress balance adjusting device according to claim 8, it is characterized in that being provided with and being positioned at the inner energy-stored spring (8) of energy-stored spring (4) between described spring base (11) and peening hammer (3) boss, one end of interior energy-stored spring is arranged in the blind hole at boss center, and the rotation direction of interior energy-stored spring is contrary with energy-stored spring (4).
10. according to a kind of hydraulic generator thrust bearing stress balance adjusting device described in claim 1 or 2 or 3 or 7, it is characterized in that described movable stand (9) comprises carrier base (903), the top of carrier base is fitted with turning cylinder (902), the top of turning cylinder is provided with U-shaped frame (901), in the hypomere of carrier base, be provided with and adjust washer sets (904), the bottom of movable stand is provided with universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420255712.3U CN203863637U (en) | 2014-05-20 | 2014-05-20 | Hydraulic turbine generator thrust bearing force balance adjustment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420255712.3U CN203863637U (en) | 2014-05-20 | 2014-05-20 | Hydraulic turbine generator thrust bearing force balance adjustment apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN203863637U true CN203863637U (en) | 2014-10-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420255712.3U Withdrawn - After Issue CN203863637U (en) | 2014-05-20 | 2014-05-20 | Hydraulic turbine generator thrust bearing force balance adjustment apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN203863637U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097185A (en) * | 2014-05-20 | 2014-10-15 | 国网新源水电有限公司新安江水力发电厂 | Stress balance adjusting device for thrust bearing of hydro-generator |
-
2014
- 2014-05-20 CN CN201420255712.3U patent/CN203863637U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104097185A (en) * | 2014-05-20 | 2014-10-15 | 国网新源水电有限公司新安江水力发电厂 | Stress balance adjusting device for thrust bearing of hydro-generator |
| CN104097185B (en) * | 2014-05-20 | 2015-10-28 | 国家电网公司 | A kind of hydraulic generator thrust bearing stress balance adjusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: XIN ANJIANG HYDROELECTRIC GENERATION FACTORY OF STATE GRID XINYUAN HYDROPOWER CO., LTD. Effective date: 20141203 Owner name: STATE GRID XINYUAN HYDROELECTRIC COMPANY LIMITED X Effective date: 20141203 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 311600 HANGZHOU, ZHEJIANG PROVINCE TO: 100031 DONGCHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141203 Address after: 100031 West Chang'an Avenue, Beijing, No. 86 Patentee after: State Grid Corporation of China Patentee after: State Grid Xinyuan Hydropower Co., Ltd. Patentee after: Xinanjiang River hydraulic power plant of Guo Wangxinyuan water power company limited Address before: 311600, No. 1, Zijin beach, Xin'An River Street, Hangzhou, Zhejiang, Jiande Patentee before: Xinanjiang River hydraulic power plant of Guo Wangxinyuan water power company limited |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20141008 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |