CN207485587U - Convertible hydraulic turbine main shaft is bolted with runner and uses support device - Google Patents
Convertible hydraulic turbine main shaft is bolted with runner and uses support device Download PDFInfo
- Publication number
- CN207485587U CN207485587U CN201721632750.6U CN201721632750U CN207485587U CN 207485587 U CN207485587 U CN 207485587U CN 201721632750 U CN201721632750 U CN 201721632750U CN 207485587 U CN207485587 U CN 207485587U
- Authority
- CN
- China
- Prior art keywords
- plate
- runner
- pallet component
- supporting leg
- leg
- 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
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Classifications
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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
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- Hydraulic Turbines (AREA)
Abstract
The utility model discloses a kind of convertible hydraulic turbine main shaft and runners to be bolted with support device, including middle baffle plate, left branch leg, right supporting leg and liftable pallet component；The left branch leg and right supporting leg are hingeably secured to middle baffle plate in a manner of annexable, and middle baffle plate is used to fix left branch leg and the expansion limiting of right supporting leg, and left branch leg and right supporting leg are fixedly installed pallet component；Middle baffle plate bottom surface, which is fixed on, is provided with articulated shaft, left branch leg and right supporting leg include the curved support plate that horizontal supporting plate, skewed horizontal load plate and the both ends of rectangle structure that inner end is articulated with the articulated shaft are individually fixed in horizontal supporting plate outer end and skewed horizontal load plate outer end, and the curved support plate lateral wall is fixedly installed at least two universal rolling wheels that can be locked up；The pallet component support plate for being used to support pallet component is fixedly installed between the curved support plate and skewed horizontal load plate；It can be suitable for various sizes of runner, it is easy for installation.Effectively improve working efficiency.
Description
Technical field
The utility model is related to water generating fields, and in particular to a kind of convertible hydraulic turbine main shaft is bolted with runner
Use support device.
Background technology
Hydraulic turbine main shaft shaft link bolt is the important connection parts of turbine-generator units, is connected to hydraulic turbine main shaft and runner.
It plays an important role in the normal table operation for ensureing unit.It is coupled to set if shaft link bolt connection is unreliable
There are gaps between standby, and unit vibration will can be caused excessive, influence the normal table operation of unit.Situation will cause to join when serious
Axle bolt is broken, and main shaft comes off, and generates irremediable loss.Therefore, to pay special attention to during bolt is tightened, it is same to connect
The clamp force of each bolt in conjunction face has to unanimously, and symmetrically and evenly to tighten successively, in case parts are crooked and bolt bears clamp force not
Uniformly.
The connection of the main shaft and runner of the large and medium-sized hydraulic turbine mainly connects bolt using refined, has one section in the middle part of shank of bolt
The cylindrical surface of finishing, it is matched with flange hole, and gap very little (generally 0.02-0.04mm), cylindrical surface is born simultaneously
Axial force and torque.Bolt tenses method and is generally upside down (i.e. bolt hydraulic stretcher, which is inverted, puts), in this way to bolt
It tenses work and brings inconvenience.In turnbuckle, bolt tensioning jack need to utilize the method for balance reverse mounted just
About 2 tons of position, bolt tensioning jack and balance weight weight, hanging bolt stretcher and balance weight suspension centre needs weld in runner crown
Multiple suspension centres often pull the installation that a bolt needs to be required for 32 tons of cucurbits cooperations that could complete bolt tensioning jack during transposition
In place, since a bolt can only be tensed every time, it is difficult to keep the degree of tension of two symmetrical bolts consistent.It is all tensed in bolt
After need to cut off suspension centre polishing, not only increase the labor intensity of staff, but also working efficiency is low, simultaneously because space is narrow
It is narrow, the danger hurted sb.'s feelings is toppled over there are bolt tensioning jack when bolt tensioning jack is shifted, to solve the above problems, there is a kind of use
In the support device of carrying bolt stretcher, but the support device is used for specific dimensions runner, narrow application range, and
Assembling is inconvenient, and working efficiency is low.
Therefore, it is to solve problem above, a kind of convertible hydraulic turbine main shaft and runner is needed to be bolted with support device,
It can be suitable for various sizes of runner, it is easy for installation.Effectively improve working efficiency.
Utility model content
In view of this, the purpose of the utility model is to overcome in the prior art the defects of, convertible hydraulic turbine main shaft is provided
It is bolted with runner with support device, various sizes of runner can be suitable for, it is easy for installation.Effectively improve working efficiency.
The convertible hydraulic turbine main shaft of the utility model and runner are bolted with support device, including middle baffle plate, a left side
Supporting leg, right supporting leg and liftable pallet component；The left branch leg and right supporting leg are hingeably secured to centre in a manner of annexable
Baffle, the middle baffle plate are used to fix left branch leg and the expansion limiting of right supporting leg, and the left branch leg and the fixation of right supporting leg are set
It is equipped with pallet component；Middle baffle plate bottom surface, which is fixed on, is provided with articulated shaft, and the left branch leg and right supporting leg are hinged including inner end
Horizontal supporting plate, skewed horizontal load plate and both ends in the rectangle structure of the articulated shaft are individually fixed in horizontal supporting plate outer end
With the curved support plate of skewed horizontal load plate outer end, the curved support plate lateral wall is fixedly installed at least two and can be locked up
Universal rolling wheel；The pallet component branch for being used to support pallet component is fixedly installed between the curved support plate and skewed horizontal load plate
Fagging.
Further, the pallet component is included for lifting the tray body of bolt strainer, for driving tray body
The driving cylinder of lifting and multiple vertical bars that tray body upper surface is used to form annular fence are circumferentially fixed on, it is described
Vertical bar lower end is provided with external thread section, and the tray body upper surface is circumferentially spaced to be provided with for fixed vertical
The threaded hole of bar, the cylinder base of the driving cylinder are supported in pallet component support plate, the inside of the horizontal supporting plate
Guide groove is in strip along length direction concave shape among broadside, the piston shaft of the driving cylinder is embedded in bar shaped guide groove,
The width of the bar shaped guide groove is less than the diameter of cylinder body.
Further, the upper surface of the middle baffle plate is further fixedly arranged on lifting hook ring.
Further, the lower face of the tray body is provided with threaded hole, the piston shaft upper end setting of the driving cylinder
There is external thread section, the tray body is fixed on piston shaft upper end by thread fitting.
Further, the middle baffle plate is channel steel, and the both ends of the articulated shaft are individually fixed in the wing plates on two sides of channel steel.
Further, the distance between the horizontal supporting plate and pallet component support plate are equal to the height of the cylinder block
Degree.
The beneficial effects of the utility model are：A kind of convertible hydraulic turbine main shaft disclosed in the utility model and runner bolt
Connection support device by the way that left and right supporting leg is articulated with middle baffle plate in a manner of it can be limited, and so that support device can
It realizes and merges and expansion conducive to the rotation of left and right supporting leg, conducive to support device by runner crown middle via, facilitate lifting,
And supporting leg is provided with curved support plate, can support conducive to supporting leg in various sizes of runner crown inner wall, can be suitable for not
It is easy for installation with the runner of size.Effectively improve working efficiency.
Description of the drawings
The utility model is further described with reference to the accompanying drawings and examples：
Fig. 1 is the structure diagram after the utility model expansion；
Fig. 2 is the structure diagram after the utility model closes up；
Fig. 3 is the right view of Fig. 1；
Fig. 4 is the vertical view of horizontal supporting plate in the utility model.
Specific embodiment
Fig. 1 is the structure diagram after the utility model expansion, and Fig. 2 is the structure diagram after the utility model closes up,
Fig. 3 is the right view of Fig. 1, and Fig. 4 is the vertical view of horizontal supporting plate in the utility model, as shown in the figure, turning in the present embodiment
Rotatable hydraulic turbine main shaft and runner are bolted with support device, including middle baffle plate 1, left branch leg 2, right supporting leg 3 and liftable
Pallet component；The left branch leg 2 and right supporting leg 3 are hingeably secured to middle baffle plate 1, the middle baffle plate in a manner of annexable
1 is used to fix left branch leg 2 and the expansion limiting of right supporting leg 3, and the left branch leg 2 and right supporting leg 3 are fixedly installed pallet component；
1 bottom surface of middle baffle plate, which is fixed on, is provided with articulated shaft 4, and the left branch leg 2 and right supporting leg 3 are articulated with described hinged including inner end
Horizontal supporting plate 5, skewed horizontal load plate 6 and the both ends of the rectangle structure of axis 4 be individually fixed in 5 outer end of horizontal supporting plate with it is oblique
The curved support plate 7 of 6 outer end of support plate, 7 lateral wall of curved support plate be fixedly installed at least two can be locked up ten thousand
Way roller 8, the width direction of multiple universal rolling wheel 8 along horizontal supporting plates 5 are juxtaposed on the outer wall of curved support plate 7；It is described
The pallet component support plate for being used to support pallet component is fixedly installed between curved support plate 7 and skewed horizontal load plate 6；Level branch
Fagging 5 is hinged along one end of length and articulated shaft 4, and the hinged end of horizontal supporting plate 5 is inner end, otherwise is outer end；It is described can
The universal rolling wheel 8 being locked up is the prior art, and details are not described herein；The horizontal supporting plate 5 and skewed horizontal load plate 6 are rectangular
To plate, and 6 inner end of skewed horizontal load plate (one end along its length) is also articulated with articulated shaft 4, horizontal supporting plate 5 and oblique branch
Angle between fagging 6 between long side is 20-50 °, after left and right supporting leg 3 closes up, positioned at two skewed horizontal load plates 6 of different supporting legs
It abuts；By the way that left and right supporting leg 3 is articulated with middle baffle plate 1 in a manner of it can be limited, and cause support device can be conducive to it is left,
The rotation of right supporting leg 3, which is realized, to be merged and expansion, conducive to support device by 17 middle via of runner crown, facilitates lifting, and
Supporting leg is provided with curved support plate 7, can support conducive to supporting leg in various sizes of runner crown inner wall, can be suitable for different rulers
Very little runner, it is easy for installation.Effectively improve working efficiency.
In the present embodiment, the pallet component includes for lifting the tray body 9 of bolt strainer 18, holding in the palm for driving
Disk ontology 9 lift driving cylinder and be circumferentially fixed on 9 upper surface of tray body be used to form annular fence it is multiple vertically
Bar 10, vertical 10 lower end of bar are provided with external thread section, the circumferentially spaced setting in 9 upper surface of tray body
It is useful for fixing the threaded hole of vertical bar 10,11 bottom of cylinder body of the driving cylinder is supported in pallet component support plate 12,
Among the inside broadside of the horizontal supporting plate 5 guide groove 13, the driving cylinder are in strip along length direction concave shape
Piston shaft 14 be embedded in bar shaped guide groove 13, the width of the bar shaped guide groove 13 is less than the diameter of cylinder body 11；The vertical shelves
Bar can be limited to placing bolt tensioning jack therein, avoid sliding, by bar shaped guide groove 13 can to driving cylinder into
Row limiting, avoids falling, and the position of adjustable driving cylinder and tray body 9, improves the positional precision of pallet, meanwhile,
Conducive to the dismounting of driving cylinder.
In the present embodiment, the upper surface of the middle baffle plate 1 is further fixedly arranged on lifting hook ring 15；The lifting hook ring 15
The upper surface of middle baffle plate 1 is fixedly welded on, lifting is facilitated to operate.
In the present embodiment, the lower face of the tray body 9 is provided with threaded hole, on the piston shaft 14 of the driving cylinder
End is provided with external thread section, and the tray body 9 is fixed on 14 upper end of piston shaft by thread fitting；Utility tray ontology 9
Installation and removal, while bolt tension device can be finely adjusted by rotary-tray, improve installation accuracy.
In the present embodiment, the middle baffle plate 1 is channel steel, and the both ends of the articulated shaft 4 are individually fixed in the both sides of channel steel
Wing plate 16；The wing plates on two sides offers mounting hole, and 4 both ends of articulated shaft are locked by locking nut.
In the present embodiment, the distance between the horizontal supporting plate 5 and pallet component support plate 12 are equal to the cylinder cylinder
The height of body 11；It is effectively limited conducive to cylinder body 11, ensures the stabilization of driving cylinder.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the right of the utility model.
Claims (6)
1. a kind of convertible hydraulic turbine main shaft is bolted with runner with support device, it is characterised in that：Including middle baffle plate, a left side
Supporting leg, right supporting leg and liftable pallet component；The left branch leg and right supporting leg are hingeably secured to centre in a manner of annexable
Baffle, the middle baffle plate are used to fix left branch leg and the expansion limiting of right supporting leg, and the left branch leg and the fixation of right supporting leg are set
It is equipped with pallet component；Middle baffle plate bottom surface, which is fixed on, is provided with articulated shaft, and the left branch leg and right supporting leg are hinged including inner end
Horizontal supporting plate, skewed horizontal load plate and both ends in the rectangle structure of the articulated shaft are individually fixed in horizontal supporting plate outer end
With the curved support plate of skewed horizontal load plate outer end, the curved support plate lateral wall is fixedly installed at least two and can be locked up
Universal rolling wheel；The pallet component branch for being used to support pallet component is fixedly installed between the curved support plate and skewed horizontal load plate
Fagging.
2. convertible hydraulic turbine main shaft according to claim 1 is bolted with runner with support device, it is characterised in that：
The pallet component include for lift bolt strainer tray body, for drive tray body lift driving cylinder and
Circumferentially it is fixed on multiple vertical bars that tray body upper surface is used to form annular fence, the vertical bar lower end setting
There are external thread section, the circumferentially spaced threaded hole being provided with for fixing vertical bar in tray body upper surface, institute
The cylinder base for stating driving cylinder is supported in pallet component support plate, along from height among the inside broadside of the horizontal supporting plate
Degree direction concave shape is in strip guide groove, and the piston shaft of the driving cylinder is embedded in bar shaped guide groove, the bar shaped guide groove
Width is less than the diameter of cylinder body.
3. convertible hydraulic turbine main shaft according to claim 2 is bolted with runner with support device, it is characterised in that：
The upper surface of the middle baffle plate is further fixedly arranged on lifting hook ring.
4. convertible hydraulic turbine main shaft according to claim 3 is bolted with runner with support device, it is characterised in that：
The lower face of the tray body is provided with threaded hole, and the piston shaft upper end of the driving cylinder is provided with external thread section, described
Tray body is fixed on piston shaft upper end by thread fitting.
5. convertible hydraulic turbine main shaft according to claim 4 is bolted with runner with support device, it is characterised in that：
The middle baffle plate is channel steel, and the both ends of the articulated shaft are individually fixed in the wing plates on two sides of channel steel.
6. convertible hydraulic turbine main shaft according to claim 5 is bolted with runner with support device, it is characterised in that：
The distance between the horizontal supporting plate and pallet component support plate are equal to the height of the cylinder block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721632750.6U CN207485587U (en) | 2017-11-29 | 2017-11-29 | Convertible hydraulic turbine main shaft is bolted with runner and uses support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721632750.6U CN207485587U (en) | 2017-11-29 | 2017-11-29 | Convertible hydraulic turbine main shaft is bolted with runner and uses support device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207485587U true CN207485587U (en) | 2018-06-12 |
Family
ID=62472093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721632750.6U Expired - Fee Related CN207485587U (en) | 2017-11-29 | 2017-11-29 | Convertible hydraulic turbine main shaft is bolted with runner and uses support device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207485587U (en) |
-
2017
- 2017-11-29 CN CN201721632750.6U patent/CN207485587U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 Termination date: 20201129 |