CN110044546A - A kind of hydroelectric generating set rotor static balancing apparatus - Google Patents
A kind of hydroelectric generating set rotor static balancing apparatus Download PDFInfo
- Publication number
- CN110044546A CN110044546A CN201910308515.0A CN201910308515A CN110044546A CN 110044546 A CN110044546 A CN 110044546A CN 201910308515 A CN201910308515 A CN 201910308515A CN 110044546 A CN110044546 A CN 110044546A
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- CN
- China
- Prior art keywords
- fastener
- pedestal
- mounting groove
- support
- generating set
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/02—Details of balancing machines or devices
- G01M1/04—Adaptation of bearing support assemblies for receiving the body to be tested
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/12—Static balancing; Determining position of centre of gravity
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a kind of hydroelectric generating set rotor static balancing apparatus, by the way that mounting bar is arranged, first mounting groove, slot, inserted link, connection frame and the first fastener, the mounting bar of rest base is installed in the first mounting groove, it again will be inside the inserted link insertion slot of connection frame, the first fastener is tightened again, support is fixedly mounted on the base at this time, clamping is placed in the second mounting groove, two holding frames are inwardly pushed away, tighten the second fastener, holding frame is fixed on the base, then two holding frames are fixed together by bolt again, support can be reinforced；Petroleum pipeline is connected with high-pressure oil feed case by clasp, when dismounting and change, separator need to only be opened, can be replaced；By setting supporting plate, first annular sliding rail, the first sliding equipment, accessory plate, the second sliding equipment and the second endless glide, it can be achieved that being assisted in rotating member rotation, the static balance effect of rotating member can be reinforced.
Description
Technical field
The present invention relates to Hydropower Unit technical field, specially a kind of hydroelectric generating set rotor static balancing apparatus.
Background technique
Hydro-generating Unit is also referred to as " turbine-generator units ".On power station every hydraulic turbine and it is matched generator combined and
At generator unit, be power station production electric energy main dynamics equipment.When the water flow of power station reference passes through the hydraulic turbine, by water
It can be converted to and drive the mechanical mechanical energy rotated；Generator converts mechanical energy into electric energy again and exports.Hydro-generating Unit is made
With being that rivers and creeks, lake etc. are located to eminence to flow to lower with the water of potential energy, the mechanical energy of the hydraulic turbine, water are converted into through the hydraulic turbine
Turbine pushing generator power generation again, converts mechanical energy into electric energy.Hydrogenerator in hydro-generating Unit is driven by the hydraulic turbine
It is dynamic.The revolving speed of generator determines the frequency of output alternating current, therefore stablizes the revolving speed of rotor to guaranteeing the stabilization of frequency to Guan Chong
It wants.The mode of closed-loop control can be taken to control rotational speed of water turbine, that is, take the frequency signal sample of the alternating current of sending
This, is fed back to the output power that the control hydraulic turbine is removed in the control system of control guide vanes of water turbine folding angle, with
Achieve the purpose that make generator speed stable.
Existing hydroelectric generating set rotor sphere static pressure balancing device, it is necessary to pass through the square chest and jack dress below runner
It sets according to sensitivity requirement, in advance holds up runner by the height of calculating, leveling, keep gap convex, between concave spherical surface balanced, build
Pressure film is erected, carry out sensitivity test later and is calculated, sensitivity is qualified, can carry out static balance, otherwise must be again
Rotating member is lifted by crane, spacer height is adjusted.
It is existing application No. is 201220316930.4 propose a kind of hydroelectric generating set rotor static balancing apparatus, mainly
It is by automatically controlling the technologies such as aspect using mechanical, hydraulic etc., providing using high pressure oil jack-up, sphere static pressure support concept
A kind of large carrying capacity, frictional resistance is small, stable, the high-precision static balancing apparatus that is conveniently adjusted, but device installation is torn open
Trouble is unloaded, maintenance replacement is inconvenient.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of hydroelectric generating set rotor static balance dress
It sets, can effectively solve the problems in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of hydroelectric generating set rotor static balancing apparatus, packet
Ontology is included, the body bottom portion is equipped with pedestal, and the pedestal top center is equipped with several first mounting grooves, the pedestal top
It is symmetrically arranged with the second mounting groove in first mounting groove two sides, is equipped with support above the pedestal, the rest base is equipped with
Several mounting bars to match with first mounting groove, the mounting bar surface, which is run through, is equipped with slot, the slot and institute
It is parallel to state the first mounting groove, connection frame is equipped on the outside of the pedestal, the connection frame outer wall is equipped with several and the slot phase
Matched inserted link, the connection frame outer wall, which runs through, is equipped with the first fastener, and first fastener one end passes through the connection frame
It is connect with the pedestal, is equipped with high-pressure oil feed case in the support side at the top of the pedestal, the support side is symmetrically arranged with
The holding frame to match with second mounting groove, the holding frame top is run through far from the support side is equipped with the second fastening
Part, second fastener bottom extend on the inside of second mounting groove through the holding frame, the holding frame other side
It extends to above the pedestal, two holding frames are bolted, and the holder top is equipped with mounting rack, the installation
Top of the trellis is equipped with recessed sphere, oil-circuit converter is equipped on the outside of the recessed sphere, matching is equipped with convex sphere, institute at the top of the recessed sphere
High-pressure oil feed case side is stated equipped with oil transportation mouth, the oil-circuit converter bottom is equipped with petroleum pipeline, described petroleum pipeline one end with it is described
Oil-circuit converter connection, the petroleum pipeline other end through the support extend to the rest base side be equipped with it is described defeated
The clasp that hydraulic fluid port matches, the petroleum pipeline are equipped with separator in the clasp side, and the carrier exterior is equipped with rotation
Part, the support outer wall are equipped with accessory plate below the mounting rack, are equipped with supporting plate, the supporting plate at the top of the rotating member
Bottom centre connect with the convex sphere, and the rotating member is equipped with first annular sliding rail, the bracket below the supporting plate
Board ends bottom symmetrical is equipped with the first sliding equipment to match with the first annular sliding rail, and first sliding equipment includes
Damping spring, the damping spring bottom are equipped with link block, and the link block bottom and side are equipped with the first sliding part, described
Accessory plate bottom both ends are symmetrically arranged with the second sliding equipment, and second sliding equipment includes fixed block, at the top of the fixed block
It is connect with the accessory plate bottom, fixed block outer wall two sides are symmetrically arranged with the second sliding part, and the rotating member is in described
The second endless glide to match with second sliding equipment is equipped with below one endless glide.
As a preferred technical solution of the present invention, first sliding part includes spring, the spring one end and institute
Link block connection is stated, the spring other end is equipped with ball, and the ball contacts with the first annular sliding rail inner wall, and described the
Two sliding parts are identical as first slider structure.
As a preferred technical solution of the present invention, two, and two first peaces are arranged in first mounting groove
Tankage is symmetrically set in the pedestal top center.
As a preferred technical solution of the present invention, the clasp includes rotary sleeve, and matching is set in the rotary sleeve
There is lock.
As a preferred technical solution of the present invention, the separator includes isolation board, and the isolation board two sides are symmetrical
Equipped with slideway, matching is set there are two clamping plate on the slideway, and two clamping plates are respectively arranged on the isolation board two sides, it is described every
Off member is equipped with swingle in the oil transportation pipe outer wall, and described swingle one end is equipped with connecting rod, and the connecting rod two end is respectively provided with one
A link block, described link block one end are connect with the clamping plate.
As a preferred technical solution of the present invention, first fastener and second fastener are preload spiral shell
Silk.
As a preferred technical solution of the present invention, the connection frame outer wall, which runs through, to be equipped with and the first fastener phase
Matched first threaded hole, the base outer wall side are equipped with the first thread groove to match with first fastener.
As a preferred technical solution of the present invention, through being equipped with and the second fastener phase at the top of the holding frame
Matched second threaded hole, the second mounting groove inside top are equipped with the second screw thread to match with second fastener
Slot.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention can be consolidated support by setting mounting bar, the first mounting groove, slot, inserted link, connection frame and the first fastener
Dingan County fills on the base.
2, holding frame can be fixed on base by setting holding frame, the second mounting groove, the second fastener and bolt by the present invention
On seat, then two holding frames are fixed together by bolt again, support can be reinforced.
3, the present invention by setting clasp and separator, it can be achieved that the Fast Installation of oil-way pipe is replaced, when dismounting and change,
Separator need to only be opened, then unscrew clasp to be replaced.
4, the present invention passes through setting supporting plate, first annular sliding rail, the first sliding equipment, accessory plate, the second sliding equipment
With the second endless glide, it can be achieved that being assisted in rotating member rotation, the static balance effect of rotating member can be reinforced.
Detailed description of the invention
Fig. 1 is a kind of main view of hydroelectric generating set rotor static balancing apparatus of the present invention；
Fig. 2 is the enlarged diagram in a kind of hydroelectric generating set rotor static balancing apparatus Fig. 1 of the present invention at A；
Fig. 3 is a kind of main view of hydroelectric generating set rotor static balancing apparatus connection frame of the present invention；
Fig. 4 is a kind of main view of hydroelectric generating set rotor static balancing apparatus supporting plate of the present invention；
Fig. 5 is a kind of main view of hydroelectric generating set rotor static balancing apparatus accessory plate of the present invention.
In figure: 1, ontology；2, pedestal；3, the first mounting groove；4, the second mounting groove；5, support；6, mounting bar；7, slot；
8, connection frame；9, inserted link；10, the first fastener；11, high-pressure oil feed case；12, holding frame；13, the second fastener；14, it installs
Frame；15, recessed sphere；16, oil-circuit converter；17, convex sphere；18, oil transportation mouth；19, petroleum pipeline；20, clasp；21, separator；
22, rotating member；23, supporting plate；24, first annular sliding rail；25, the first sliding equipment；26, damping spring；27, link block；28,
First sliding part；29, accessory plate；30, the second sliding equipment；31, bolt；32, fixed block；33, the second sliding part；34, second
Endless glide.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of hydroelectric generating set rotor static balancing apparatus, including
Ontology 1,1 bottom of ontology are equipped with pedestal 2, and 2 top center of pedestal is equipped with several first mounting grooves 3, the pedestal 2
Top is symmetrically arranged with the second mounting groove 4 in 3 two sides of the first mounting groove, is equipped with support 5, the support 5 above the pedestal 2
Bottom is equipped with several mounting bars 6 to match with first mounting groove 3, and 6 surface of mounting bar, which is run through, is equipped with slot 7,
The slot 7 is parallel with first mounting groove 3, and connection frame 8 is equipped on the outside of the pedestal 2, if 8 outer wall of the connection frame is equipped with
The dry inserted link 9 to match with the slot 7,8 outer wall of connection frame, which runs through, is equipped with the first fastener 10, first fastening
10 one end of part passes through the connection frame 8 and connect with the pedestal 2, and 2 top of pedestal is supplied in 5 side of support equipped with high pressure
Fuel tank 11,5 side of support are symmetrically arranged with the holding frame 12 to match with second mounting groove 4, and the holding frame 12 pushes up
Portion is run through far from 5 side of support is equipped with the second fastener 13, and the holding frame 12 is run through in 13 bottom of the second fastener
4 inside of the second mounting groove is extended to, 12 other side of holding frame extends to 2 top of pedestal, two clampings
Frame 12 is connected by bolt 31, and mounting rack 14 is equipped at the top of the support 5, is equipped with recessed sphere 15, institute at the top of the mounting rack 14
It states and is equipped with oil-circuit converter 16 on the outside of recessed sphere 15, matching is equipped with convex sphere 17, the high-pressure oil feed at the top of the recessed sphere 15
11 side of case be equipped with oil transportation mouth 18,16 bottom of oil-circuit converter be equipped with petroleum pipeline 19, described 19 one end of petroleum pipeline with it is described
Oil-circuit converter 16 connect, 19 other end of petroleum pipeline through the support 5 extend to 5 bottom side of support be equipped with
The clasp 20 that the oil transportation mouth 18 matches, the petroleum pipeline 19 is equipped with separator 21 in 20 side of clasp, described
Rotating member 22 is equipped with outside support 5,5 outer wall of support is equipped with accessory plate 29, the rotating member below the mounting rack 14
22 tops are equipped with supporting plate 23, and 23 bottom centre of supporting plate connect with the convex sphere 17, and the rotating member 22 is in described
First annular sliding rail 24 is equipped with below supporting plate 23, the 23 both ends bottom symmetrical of supporting plate is equipped with and the first annular sliding rail
24 the first sliding equipments 25 to match, first sliding equipment 25 include damping spring 26,26 bottom of damping spring
Equipped with link block 27,27 bottom of link block and side are equipped with the first sliding part 28, the 29 bottom both ends pair of accessory plate
Claim to be equipped with the second sliding equipment 30, second sliding equipment 30 includes fixed block 32,32 top of the fixed block with it is described auxiliary
29 bottom of plate is helped to connect, the 32 outer wall two sides of fixed block are symmetrically arranged with the second sliding part 33, and the rotating member 22 is in described the
The second endless glide 34 to match with second sliding equipment 30 is equipped with below one endless glide 24.
In the present embodiment, it is preferred that first sliding part 28 includes spring, the spring one end and the link block 27
Connection, the spring other end are equipped with ball, and the ball is contacted with first annular 24 inner wall of sliding rail, second sliding
Part 33 is identical as 28 structure of the first sliding part.
In the present embodiment, it is preferred that first mounting groove 3 is arranged two, and two first mounting grooves 3 are symmetrically set
In 2 top center of pedestal.
In the present embodiment, it is preferred that the clasp 20 includes rotary sleeve, and matching is equipped with lock in the rotary sleeve.
In the present embodiment, it is preferred that the separator 21 includes isolation board, and the isolation board two sides are symmetrically arranged with slideway,
Matching is set there are two clamping plate on the slideway, and two clamping plates are respectively arranged on the isolation board two sides, the separator 21 in
19 outer wall of petroleum pipeline is equipped with swingle, and described swingle one end is equipped with connecting rod, and the connecting rod two end is respectively provided with a company
Block is connect, described link block one end is connect with the clamping plate.
In the present embodiment, it is preferred that first fastener 10 and second fastener 13 are preload screw.
In the present embodiment, it is preferred that 8 outer wall of connection frame runs through for being equipped with and matching with first fastener 10
One threaded hole, the 2 outer wall side of pedestal are equipped with the first thread groove to match with first fastener 10.
In the present embodiment, it is preferred that match with second fastener 13 at the top of the holding frame 12 through being equipped with
Second threaded hole, 4 inside top of the second mounting groove are equipped with the second thread groove to match with second fastener 13.
The present invention during installation, by the way that the mounting bar 6 of 5 bottom of support is installed in the first mounting groove 3, then by connection frame
8 inserted link 9 is inserted into inside slot 7, then tightens the first fastener 10, and support 5 is fixedly mounted on the base 2, by holding frame at this time
12 are placed in the second mounting groove 4, and two holding frames 12 are inwardly pushed away, and tighten the second fastener 13, and holding frame 12 is fixed on base
On seat 1, then two holding frames 12 are fixed together by bolt 31 again, support 5 can be reinforced；Pass through clasp 20
Petroleum pipeline 19 and high-pressure oil feed case 11 are connected, when dismounting and change, separator 21 need to only be opened, can be replaced；Pass through
Supporting plate 23, first annular sliding rail 24, the first sliding equipment 25, accessory plate 29, the second sliding equipment 30 and the second annular are set
Sliding rail 34, it can be achieved that rotating member 22 rotate when assisted, the static balance effect of rotating member 22 can be reinforced.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of hydroelectric generating set rotor static balancing apparatus, including ontology (1), it is characterised in that: ontology (1) bottom is equipped with
Pedestal (2), pedestal (2) top center are equipped with several first mounting grooves (3), and pedestal (2) top is in described first
Mounting groove (3) two sides are symmetrically arranged with the second mounting groove (4), are equipped with support (5) above the pedestal (2), support (5) bottom
Equipped with the mounting bar (6) that several match with first mounting groove (3), mounting bar (6) surface, which is run through, is equipped with slot
(7), the slot (7) is parallel with the first mounting groove (3), is equipped with connection frame (8) on the outside of the pedestal (2), the connection
Frame (8) outer wall is equipped with several inserted links (9) to match with the slot (7), and connection frame (8) outer wall, which runs through, is equipped with first
Fastener (10), described first fastener (10) one end pass through the connection frame (8) and connect with the pedestal (2), the pedestal
(2) top is equipped with high-pressure oil feed case (11) in the support (5) side, and support (5) side is symmetrically arranged with and described second
The holding frame (12) that mounting groove (4) matches, holding frame (12) top is run through far from the support (5) side is equipped with second
Fastener (13), the second fastener (13) bottom extend in second mounting groove (4) through the holding frame (12)
Side, holding frame (12) other side extend to above the pedestal (2), and two holding frames (12) are connected by bolt (31)
It connects, is equipped with mounting rack (14) at the top of the support (5), be equipped with recessed sphere (15) at the top of the mounting rack (14), the recessed sphere
(15) outside is equipped with oil-circuit converter (16), and matching is equipped with convex sphere (17) at the top of the recessed sphere (15), the high-pressure oil feed
Case (11) side is equipped with oil transportation mouth (18), and oil-circuit converter (16) bottom is equipped with petroleum pipeline (19), the petroleum pipeline (19)
One end is connect with the oil-circuit converter (16), and petroleum pipeline (19) other end extends to the branch through the support (5)
Seat (5) bottom side is equipped with the clasp (20) to match with the oil transportation mouth (18), and petroleum pipeline (19) Yu Suoshu links closely
Part (20) side is equipped with separator (21), is equipped with rotating member (22) outside the support (5), support (5) outer wall is in described
Accessory plate (29) are equipped with below mounting rack (14), are equipped with supporting plate (23) at the top of the rotating member (22), the supporting plate (23)
Bottom centre connect with the convex sphere (17), and first annular cunning is equipped with below rotating member (22) the Yu Suoshu supporting plate (23)
Rail (24), supporting plate (23) the both ends bottom symmetrical are equipped with the first skate machine to match with the first annular sliding rail (24)
Structure (25), first sliding equipment (25) include damping spring (26), and damping spring (26) bottom is equipped with link block
(27), link block (27) bottom and side are equipped with the first sliding part (28), and accessory plate (29) the bottom both ends are symmetrical
Equipped with the second sliding equipment (30), second sliding equipment (30) includes fixed block (32), at the top of the fixed block (32) with
Accessory plate (29) the bottom connection, fixed block (32) the outer wall two sides are symmetrically arranged with the second sliding part (33), the rotation
It is sliding that part (22) is equipped with the second annular to match with second sliding equipment (30) below the first annular sliding rail (24)
Rail (34).
2. a kind of hydroelectric generating set rotor static balancing apparatus according to claim 1, it is characterised in that: first sliding part
It (28) include spring, the spring one end is connect with the link block (27), and the spring other end is equipped with ball, the ball
It is contacted with first annular sliding rail (24) inner wall, second sliding part (33) and the first sliding part (28) structure phase
Together.
3. a kind of hydroelectric generating set rotor static balancing apparatus according to claim 1, it is characterised in that: first mounting groove
(3) it is arranged two, and two first mounting grooves (3) are symmetrically set in the pedestal (2) top center.
4. a kind of hydroelectric generating set rotor static balancing apparatus according to claim 1, it is characterised in that: the clasp (20)
Including rotary sleeve, matching is equipped with lock in the rotary sleeve.
5. a kind of hydroelectric generating set rotor static balancing apparatus according to claim 1, it is characterised in that: the separator (21)
Including isolation board, the isolation board two sides are symmetrically arranged with slideway, and clamping plate there are two setting, two clamping plates are matched on the slideway
The isolation board two sides are respectively arranged on, separator (21) Yu Suoshu petroleum pipeline (19) outer wall is equipped with swingle, the rotation
Bull stick one end is equipped with connecting rod, and the connecting rod two end is respectively provided with a link block, and described link block one end is connect with the clamping plate.
6. a kind of hydroelectric generating set rotor static balancing apparatus according to claim 1, it is characterised in that: first fastener
(10) and second fastener (13) is preload screw.
7. a kind of hydroelectric generating set rotor static balancing apparatus according to claim 6, it is characterised in that: the connection frame (8)
Outer wall, which runs through, is equipped with the first threaded hole for matching with first fastener (10), pedestal (2) the outer wall side be equipped with
The first thread groove that first fastener (10) matches.
8. a kind of hydroelectric generating set rotor static balancing apparatus according to claim 7, it is characterised in that: the holding frame (12)
The second threaded hole for being equipped with and matching with second fastener (13), the second mounting groove (4) inside top are run through in top
Equipped with the second thread groove to match with second fastener (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910308515.0A CN110044546A (en) | 2019-04-17 | 2019-04-17 | A kind of hydroelectric generating set rotor static balancing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910308515.0A CN110044546A (en) | 2019-04-17 | 2019-04-17 | A kind of hydroelectric generating set rotor static balancing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110044546A true CN110044546A (en) | 2019-07-23 |
Family
ID=67277565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910308515.0A Withdrawn CN110044546A (en) | 2019-04-17 | 2019-04-17 | A kind of hydroelectric generating set rotor static balancing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110044546A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS523483A (en) * | 1975-06-20 | 1977-01-11 | Hofmann Maschf Geb | Device for static imbalance |
| CN101236122A (en) * | 2008-02-22 | 2008-08-06 | 四川东风电机厂有限公司 | Hydroelectric generating set rotor seat type spherical face static pressure balancing device |
| CN201166598Y (en) * | 2008-02-15 | 2008-12-17 | 四川东风电机厂有限公司 | Runner plate type static balancing apparatus for dydropower generating units runner steel ball |
| SE1100770A1 (en) * | 2011-05-10 | 2012-09-11 | Tll Mekankonsult Ab | Method and apparatus for horizontal static equilibrium balancing of a rotary body with center holes |
| CN202693207U (en) * | 2012-06-29 | 2013-01-23 | 东芝水电设备（杭州）有限公司 | Rotating component static balance device of hydroelectric generating set |
| CN207636239U (en) * | 2017-11-14 | 2018-07-20 | 孙强强 | A kind of hydroelectric generating set rotor static balancing apparatus |
-
2019
- 2019-04-17 CN CN201910308515.0A patent/CN110044546A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS523483A (en) * | 1975-06-20 | 1977-01-11 | Hofmann Maschf Geb | Device for static imbalance |
| CN201166598Y (en) * | 2008-02-15 | 2008-12-17 | 四川东风电机厂有限公司 | Runner plate type static balancing apparatus for dydropower generating units runner steel ball |
| CN101236122A (en) * | 2008-02-22 | 2008-08-06 | 四川东风电机厂有限公司 | Hydroelectric generating set rotor seat type spherical face static pressure balancing device |
| SE1100770A1 (en) * | 2011-05-10 | 2012-09-11 | Tll Mekankonsult Ab | Method and apparatus for horizontal static equilibrium balancing of a rotary body with center holes |
| CN202693207U (en) * | 2012-06-29 | 2013-01-23 | 东芝水电设备（杭州）有限公司 | Rotating component static balance device of hydroelectric generating set |
| CN207636239U (en) * | 2017-11-14 | 2018-07-20 | 孙强强 | A kind of hydroelectric generating set rotor static balancing apparatus |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190723 |