CN209115247U - A kind of adjustment device of hydrogenerator measurement revolving speed and phase key phase - Google Patents
A kind of adjustment device of hydrogenerator measurement revolving speed and phase key phase Download PDFInfo
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- CN209115247U CN209115247U CN201822100367.7U CN201822100367U CN209115247U CN 209115247 U CN209115247 U CN 209115247U CN 201822100367 U CN201822100367 U CN 201822100367U CN 209115247 U CN209115247 U CN 209115247U
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- phase
- main support
- key phase
- hydrogenerator
- revolving speed
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- 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
Abstract
A kind of adjustment device of hydrogenerator measurement revolving speed and phase key phase, it is related to hydroturbine generator.The utility model is to solve the problem of that existing key phase installation site is limited cannot accurately make key phase corresponding keys photograph.The utility model includes main support, secondary support, retaining mechanism and two binding nuts, the shape of main support is L shape, the middle part of main support vertical end is equipped with adjustment tank along its length, the middle part of secondary support is equipped with locating slot along its length, it is connected between main support and secondary support by retaining mechanism, retaining mechanism is arranged in adjustment tank and locating slot, and key phase is inserted into locating slot, the front and rear sides of secondary support are respectively provided with a binding nut respectively, and binding nut spinning is on key phase.The utility model is used for key phase.
Description
Technical field
The utility model relates to hydroturbine generators, and in particular to a kind of hydrogenerator measurement revolving speed and phase key phase
The adjustment device of sensor.
Background technique
Turbine-generator units will carry out the vibration and throw test of unit after new machine plays machine debugging or unit maintenance, right
Vibration and the biggish unit of throw numerical value will also carry out the dynamic balance running of generator amature, in order to really understand the vibration of unit
With throw level, the accurate revolving speed and phase for measuring unit, need on big axis installation key photograph, key photograph installation site it is usually right
Answer the 0 of rotor#Magnetic pole, convenient for the lookup of hydraulic generator rotor dynamic balance running phase, if key phase is installed not just
Really, it is inaccurate to will lead to the measurement of data frequency multiplication, there are deviations for measurement phase, lead to the reduction of dynamic balance running accuracy.Currently, key
Phase also needs to install throw measurement while installation key phase and passes usually all using current vortex sensor
Sensor, need to led on turbine-generator units, under lead, water pilot bearing position temporarily install measurement throw electricity consumption currents sensing
Device carries out data acquisition, and to facilitate the runout situation to the hydraulic turbine to assess, the installation of interim test sensor needs to protect
It demonstrate,proves sensor installation quickly, is easy to adjust and dismantle, is adapted to a variety of mounting conditions, there is strong anti-interference ability, high safety can
By property the characteristics of.And existing key phase installation site is limited, cannot accurately make key phase corresponding keys photograph.
Utility model content
The utility model is limited in order to solve existing key phase installation site, cannot accurately make key phase corresponding
The problem of key photograph, and then propose the adjustment device of a kind of hydrogenerator measurement revolving speed and phase key phase.
The utility model adopts the technical scheme that solve above-mentioned technical problem:
The utility model includes main support, secondary support, retaining mechanism and two binding nuts, and the shape of main support is L shape,
The middle part of main support vertical end is equipped with adjustment tank along its length, and the middle part of secondary support is equipped with locating slot, main branch along its length
It is connected between frame and secondary support by retaining mechanism, retaining mechanism is arranged in adjustment tank and locating slot, the inserting of key phase
In locating slot, the front and rear sides of secondary support are respectively provided with a binding nut respectively, and binding nut spinning is on key phase.
The beneficial effect that the utility model includes compared with prior art is:
The utility model can quickly adjust different peaces for the concrete condition at scene and the installation site of key photograph
Dress height, adapts to the main shaft test position of various installation environments, can install multiple key phases simultaneously, adapts in same angle
The case where needing to install throw sensor and key phase simultaneously, solves test position narrow space, required installation site
There is the limitation of the conditions such as boss, and needs to avoid to there are problems that burr or mounted key photograph bring interference on big axis body.This
Adjustment device can not be limited by the installation site of key phase, keep key phase and key photograph accurately corresponding, be measured
The accuracy of phase can be improved 90%, reduce phase error for dynamic balance running, and also solving installation sensor, time-consuming, difficult tune
The problem of section, can adjust at any time according to the special test position in scene, solve test position limited space, need to avoid big axis axis
There are problems that uneven integral point or installed key photograph bring interference on body.
Detailed description of the invention
Fig. 1 is that overall structure when main support 1 and 2 angle of secondary support are 180 ° in the utility model embodiment 1 is shown
It is intended to；
Fig. 2 is that overall structure when main support 1 and 2 angle of secondary support are 90 ° in the utility model embodiment 1 is illustrated
Figure；
Fig. 3 is the overall structure diagram of the utility model embodiment 2.
Specific embodiment
Specific embodiment 1: illustrating present embodiment, a kind of hydraulic generator described in present embodiment in conjunction with Fig. 1 to Fig. 3
The adjustment device of machine measurement revolving speed and phase key phase includes main support 1, secondary support 2, retaining mechanism 6 and two clampings
The shape of nut 5, main support 1 is L shape, and the middle part of 1 vertical end of main support is equipped with adjustment tank 1-1 along its length, secondary support 2
Middle part is equipped with locating slot 2-1 along its length, is connected between main support 1 and secondary support 2 by retaining mechanism 6, retaining mechanism 6 is set
It sets in adjustment tank 1-1 and locating slot 2-1, key phase 3 is inserted into locating slot 2-1, the front and rear sides difference of secondary support 2
It is respectively provided with a binding nut 5,5 spinning of binding nut is on key phase 3.
Secondary support 2 is detachable installation in present embodiment, and key phase 3 is mounted on main support 1 or secondary support 2,
Main support 1 can move up and down on main supporting plate, and the installation site of concrete condition and key photograph for scene can be with
Different mounting heights is quickly adjusted, the main shaft test position of various installation environments is adapted to, this main support 1 or secondary support 2 can
Multiple key phases 3 are installed simultaneously, adapt to the feelings for needing to install throw sensor and key phase simultaneously in same angle
Condition can carry out installation and adjustment to multiple sensors simultaneously using this adjustment device.Secondary support 2 can be on main support 1
The adjustment of row any angle solves test position narrow space, and required installation position is equipped with the limitation of the conditions such as boss, and needs to avoid
There are problems that burr or mounted key photograph bring interference on big axis body.This adjustment device is solved due to key phase
The problem of 3 installation site is limited, cannot accurately make 3 corresponding keys photograph of key phase, while ensure that the standard of measurement phase
True property reduces phase error for dynamic balance running, at the same also solve the problems, such as installation sensor time-consuming, it is difficult adjust, can root
It is adjusted at any time according to the special test position in scene, solves test position limited space, need to avoid to have injustice on big axis axis body
The problem of integral point or installed key photograph bring interference.
A kind of adjustment of hydrogenerator measurement revolving speed and phase key phase described in embodiment 1, present embodiment
Device includes main support 1, secondary support 2, retaining mechanism 6 and two binding nuts 5, and the shape of main support 1 is L shape, and main support 1 is perpendicular
The middle part of straight end is equipped with adjustment tank 1-1 along its length, and the middle part of secondary support 2 is equipped with locating slot 2-1, main support along its length
It is connected between 1 and secondary support 2 by retaining mechanism 6, retaining mechanism 6 is arranged in adjustment tank 1-1 and locating slot 2-1, and key passes on from one to another
Sensor 3 is inserted into locating slot 2-1, and the front and rear sides of secondary support 2 are respectively provided with a binding nut 5,5 spinning of binding nut respectively
On key phase 3.The horizontal ends of main support 1 are fixed on guide bearing cover board, secondary support 2 is fixed by retaining mechanism 6
On main support 1, secondary support 2 can carry out Arbitrary Rotation on main support 1, and can carry out different height adjusting, solve
The problem that in-site installation environment is complicated, installation space is limited, key phase 3 carry out two-way grip fastening by binding nut 5
It is scheduled on secondary support 2, by the collected data signal transmission to signal analyzer of key phase 3, is sent out for subsequent water wheels
The vibration of motor group and the evaluation and test of throw data and determining for dynamic balance running phase provide accurate foundation.
A kind of adjustment of hydrogenerator measurement revolving speed and phase key phase described in embodiment 2, present embodiment
Device includes main support 1 and two binding nuts 5, and the shape of main support 1 is L shape, and the middle part of 1 vertical end of main support is along length side
To adjustment tank 1-1 is equipped with, key phase 3 is inserted into adjustment tank 1-1, and the front and rear sides of main support 1 are respectively provided with one respectively
Binding nut 5,5 spinning of binding nut is on key phase 3.The horizontal ends of main support 1 are fixed on guide bearing cover board, key
Phase 3 carries out Bidirectional clamping by binding nut 5 and is fixed on main support 1, and can carry out different height adjusting, by key phase
It is vibration and the throw number of subsequent turbine-generator units on the collected data signal transmission to signal analyzer of sensor 3
Accurate foundation is provided according to evaluation and test and determining for dynamic balance running phase.
The horizontal ends of main support 1 can be sticked on guide bearing cover board by using instant drying adhesive.
Specific embodiment 2: illustrate present embodiment in conjunction with Fig. 1 to Fig. 3, binding nut 5 described in present embodiment and pair
Grip gasket 4 is equipped between bracket 2.The technical features not disclosed in this embodiment are same as the specific embodiment one.
It is designed in this way convenient for key phase 3 is carried out Bidirectional clamping by grip gasket 4 and binding nut 5 and is fixed, it will
Key phase 3 is clamped on main support 1 or secondary support 2.
Specific embodiment 3: illustrate present embodiment in conjunction with Fig. 1 to Fig. 3, adjustment tank 1-1 described in present embodiment and fixed
The groove width of position slot 2-1 is identical.The technical features not disclosed in this embodiment are the same as one or two specific embodiments.
Be designed in this way convenient for by retaining mechanism 6 by main support 1 and the connection locking of secondary support 2, while adjustment tank 1-1 and fixed
The groove width of position slot 2-1 is identical, and the diameter all with key phase 3 matches, and key phase 3 can arbitrarily be pacified as needed
On main support 1 or secondary support 2.
Specific embodiment 4: illustrating present embodiment in conjunction with Fig. 1 to Fig. 3, adjusted on main support 1 described in present embodiment
The side of slot 1-1 is equipped with graduation mark along its length, and the side of locating slot 2-1 is equipped with carves along its length on secondary support 2
Spend line.The technical features not disclosed in this embodiment are the same as the specific implementation mode 3.
Mounting height can be adjusted at any time by being designed in this way, and adapted to the different installation sites of key photograph, be ensure that key phase 3
Position accuracy, ensure that measurement phase accuracy.
Specific embodiment 5: illustrate present embodiment in conjunction with Fig. 1 to Fig. 3,1 horizontal ends of main support described in present embodiment
Middle part be equipped with mounting hole 1-2.The technical features not disclosed in this embodiment are the same as the specific implementation mode 1,2 or 4.
Bolt can be installed in mounting hole 1-2 according to the special test environment in scene by being designed in this way, by bolt by main branch
Frame 1 is combined and installed.
Specific embodiment 6: illustrating present embodiment in conjunction with Fig. 1 to Fig. 3, retaining mechanism 6 described in present embodiment includes
Clamping screw 6-1 and locking nut 6-2, clamping screw 6-1 are inserted into adjustment tank 1-1 and locating slot 2-1, clamping screw 6-1
Nut the outside of secondary support 2 is set, the inner side end of clamping screw 6-1 nut and the lateral wall of secondary support 2 cooperate, locking
For nut 6-2 spinning on clamping screw 6-1, the outside of main support 1, the inner end of locking nut 6-2 is arranged in locking nut 6-2
The lateral wall of face and main support 1 cooperates.The technical features not disclosed in this embodiment are identical as specific embodiment five.
Specific embodiment 7: illustrate present embodiment in conjunction with Fig. 1 to Fig. 3, locking nut 6-2 described in present embodiment with
Lock washer is equipped between main support 1.The technical features not disclosed in this embodiment are identical as specific embodiment six.
Working principle
Key phase 3 is mounted on main support 1 or secondary support 2 in present embodiment, and main support 1 can on main supporting plate
To move up and down, it is high that the installation site of concrete condition and key photograph for scene can quickly adjust different installations
Degree, adapts to the main shaft test position of various installation environments, this main support 1 or secondary support 2 can install multiple key phases simultaneously
3, it adapts to the case where same angle needs to install throw sensor and key phase simultaneously, it can be same using this adjustment device
When to multiple sensors carry out installation and adjustment.Secondary support 2 can carry out any angle adjustment on main support 1, solve survey
Position narrow space is tried, required installation position is equipped with the limitation of the conditions such as boss, and needs to avoid on big axis body there are burr or pacified
The problem of key photograph of dress brings interference.This adjustment device is solved since the installation site of key phase 3 is limited, Bu Nengzhun
The problem of really making 3 corresponding keys photograph of key phase, while ensure that the accuracy of measurement phase, reduce phase for dynamic balance running
Position error, at the same also solve the problems, such as installation sensor time-consuming, it is difficult adjust, can be adjusted at any time according to the special test position in scene
It is whole, it solves test position limited space, needs to avoid to have uneven integral point or installed key photograph band on big axis axis body
Come the problem of interference.
Claims (7)
1. a kind of adjustment device of hydrogenerator measurement revolving speed and phase key phase, it is characterised in that: described one kind
The adjustment device of hydrogenerator measurement revolving speed and phase key phase includes main support (1), secondary support (2), locking machine
The shape of structure (6) and two binding nuts (5), main support (1) is L shape, and the middle part of main support (1) vertical end is set along its length
Have adjustment tank (1-1), the middle part of secondary support (2) is equipped with locating slot (2-1) along its length, main support (1) and secondary support (2) it
Between connected by retaining mechanism (6), retaining mechanism (6) setting is interior in adjustment tank (1-1) and locating slot (2-1), key phase
(3) it is inserted into locating slot (2-1), the front and rear sides of secondary support (2) are respectively provided with a binding nut (5), binding nut respectively
(5) spinning is on key phase (3).
2. a kind of adjustment device of hydrogenerator measurement revolving speed and phase key phase according to claim 1,
It is characterized in that: being equipped with grip gasket (4) between the binding nut (5) and secondary support (2).
3. the adjustment device of a kind of hydrogenerator measurement revolving speed and phase key phase according to claim 1 or claim 2,
It is characterized by: the adjustment tank (1-1) is identical as the groove width of locating slot (2-1).
4. a kind of adjustment device of hydrogenerator measurement revolving speed and phase key phase according to claim 3,
Be characterized in that: the side of adjustment tank (1-1) is equipped with graduation mark along its length on the main support (1), determines on secondary support (2)
The side of position slot (2-1) is equipped with graduation mark along its length.
5. a kind of according to claim 1,2 or 4 adjustment dress of hydrogenerator measurement revolving speed and phase key phase
It sets, it is characterised in that: the middle part of main support (1) horizontal ends is equipped with mounting hole (1-2).
6. a kind of adjustment device of hydrogenerator measurement revolving speed and phase key phase according to claim 5,
Be characterized in that: the retaining mechanism (6) includes clamping screw (6-1) and locking nut (6-2), and clamping screw (6-1) is inserted into
In adjustment tank (1-1) and locating slot (2-1), the nut of clamping screw (6-1) is arranged in the outside of secondary support (2), clamping screw
The inner side end of (6-1) nut and the lateral wall of secondary support (2) cooperate, and locking nut (6-2) spinning is at clamping screw (6-1)
On, locking nut (6-2) setting in the outside of main support (1), the inner side end of locking nut (6-2) and main support (1) it is outer
Side wall cooperation.
7. a kind of adjustment device of hydrogenerator measurement revolving speed and phase key phase according to claim 6,
It is characterized in that: being equipped with lock washer between the locking nut (6-2) and main support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822100367.7U CN209115247U (en) | 2018-12-13 | 2018-12-13 | A kind of adjustment device of hydrogenerator measurement revolving speed and phase key phase |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822100367.7U CN209115247U (en) | 2018-12-13 | 2018-12-13 | A kind of adjustment device of hydrogenerator measurement revolving speed and phase key phase |
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| CN209115247U true CN209115247U (en) | 2019-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822100367.7U Active CN209115247U (en) | 2018-12-13 | 2018-12-13 | A kind of adjustment device of hydrogenerator measurement revolving speed and phase key phase |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834142A (en) * | 2020-12-29 | 2021-05-25 | 哈动国家水力发电设备工程技术研究中心有限公司 | Method for determining cavitation initial position of runner blade of axial flow model water turbine |
| CN113700589A (en) * | 2021-09-28 | 2021-11-26 | 中国长江电力股份有限公司 | System and method for acquiring shafting state characteristic parameters of hydroelectric generating set |
-
2018
- 2018-12-13 CN CN201822100367.7U patent/CN209115247U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834142A (en) * | 2020-12-29 | 2021-05-25 | 哈动国家水力发电设备工程技术研究中心有限公司 | Method for determining cavitation initial position of runner blade of axial flow model water turbine |
| CN112834142B (en) * | 2020-12-29 | 2023-02-07 | 哈动国家水力发电设备工程技术研究中心有限公司 | Method for determining cavitation initial position of runner blade of axial flow model water turbine |
| CN113700589A (en) * | 2021-09-28 | 2021-11-26 | 中国长江电力股份有限公司 | System and method for acquiring shafting state characteristic parameters of hydroelectric generating set |
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