CN204921721U - Axle coupling device between hydraulic turbine turning arm and activity water guide leaf - Google Patents
Axle coupling device between hydraulic turbine turning arm and activity water guide leaf Download PDFInfo
- Publication number
- CN204921721U CN204921721U CN201520568041.0U CN201520568041U CN204921721U CN 204921721 U CN204921721 U CN 204921721U CN 201520568041 U CN201520568041 U CN 201520568041U CN 204921721 U CN204921721 U CN 204921721U
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- CN
- China
- Prior art keywords
- guide vane
- arm
- vane arm
- water guide
- shroud ring
- 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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- 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
The utility model relates to an axle coupling device between hydraulic turbine turning arm and activity water guide leaf, the in -process is being overhauld in the axle hookup of having solved between current hydraulic turbine turning arm and the unit activity water guide leaf, take time to consume the force efficiency low, easily hinder equipment and the problem of incident appears, include the stator lamella arm of being connected with water guide rachis head, connect the connecting plate between stator lamella arm and connecting rod assembly, characterized by stator lamella arm be equipped with with the first cooperation portion of water guide rachis, this cooperation portion is two lamella shroud ring structures, the connecting plate is also personally experienced sth. Part of the body for the shroud ring with two lamella shroud ring structure cooperations department of stator lamella arm to be equipped with the locking bolt on this shroud ring body. It is convenient to dismantle the installation, has prevented phenomenon host devices damages such as water guide leaf hairpin, reduces intensity of labour, improves work efficiency, has guaranteed the security of personnel and equipment.
Description
Technical field
The utility model relates to Component of Hydraulic Turbines technology, the axle coupling arrangement between especially a kind of water turbine connecting lever and movable guide vane.
Background technique
Water turbine water guiding vane connecting lever is connected with the movable guide vane of unit, is the driving mechanism controlling the movable guide vane aperture of unit.Current existing water power plant water turbine connecting lever is mainly rounding type connecting lever, and movable guide vane spindle nose and connecting lever axle sleeve pass through very closely spaced Spielpassung, in order to transmitting torque; There is very large defect in the assembling mode of this routine, guide vane connecting lever and movable guide vane spindle nose matching gap little, after long-time running, because corrosion etc. produces dead phenomenon of becoming rusty between guide vane connecting lever and movable guide vane spindle nose; Need the man power and material of at substantial to dismantle when unit maintenance, as labor intensity is large, a unit has 24 connecting levers, and average dismounting one just needs the several operator strong physical work of nearly a day just can complete; The instrument used, especially on-the-spot, even adopt 36 pound weight hammers, hammering connecting lever of taking turns is to produce vibration, and needing to utilize special jack unit to work in coordination with could remove slow for connecting lever jack-up simultaneously.At need, also need to adopt flame barbecue to carry out local warming, be welded with the means cooperation dismounting work such as special pull bar, the unit maintenance of tired Nao Zhe hydroelectric power plant for a long time, become an extremely heavy manual labor, consuming timely to take a lot of work, easily there is security incident in maintainer, equipment quality also can be affected under extreme frazzle.Axle connecting mode conventional in addition also has the structural type such as axle sleeve, key, if patent publication No. is CN103322074A, disclosed a kind of high-pressure roller mill extrusion roll shaft connecting structure, comprise extrusion roll shaft, retarder hollow shaft, flange plate, flange shaft and expansion set coupling, extrusion roll shaft is connected by key with flange plate, flange plate is connected closing by bolt with one end of flange with in flange shaft, the other end of flange shaft is fitted in retarder hollow shaft, and makes between the other end of flange shaft and retarder hollow shaft fastening by expansion set coupling.As the coupling assembly of connection two axles that patent publication No. designs for CN104373469A, wherein the first axle comprises outward flange on one end, it has Axis Extension around the first axle through multiple first holes of outward flange, second axle is quill shaft, comprise on one end to inward flange, it has extending through to inward flange and multiple second holes aimed at each first hole with the first hole same diameter, coupling assembly comprises: attachment bolt, its first end and the second end have screw thread, inserts in the first hole and the second hole; First nut, engages with the first end of attachment bolt; Second nut, closes with the second termination of attachment bolt; And expansion sleeve, its endoporus is tapered to the other end from its one end, wherein expansion sleeve between attachment bolt and the first and second holes with the bolt that is fixedly connected relative to the first and second holes; Second nut is formed and has tapped hole with the one end engaged with attachment bolt and another closed end, and the profiled holes being less than tapped hole is formed on closed end between two parties.These Connecting format all cannot be applied between connecting lever and movable guide vane.
Summary of the invention
The purpose of this utility model is connected in maintenance process in order to the axle solved between existing water turbine connecting lever and the movable guide vane of unit, time-consuming, effort, efficiency are low, easy damaged equipment and occur the problem of security incident, a kind of reasonable in design is provided, obtains the axle coupling arrangement between the water turbine connecting lever of default effect and movable guide vane by the setting that non-rounding type guide vane arm, middle connecting plate and dismounting jackscrew are combined.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: the axle coupling arrangement between a kind of water turbine connecting lever and movable guide vane, comprise the guide vane arm be connected with guide vane spindle nose, be connected to the connecting plate between guide vane arm and connecting rod assembling, it is characterized in that described guide vane arm is provided with and guide vane spindle nose auxiliary section, this auxiliary section is two lobe shroud ring structures; Two lobe shroud ring respective outer side edges places of connecting plate and guide vane arm are also shroud ring body, and are provided with lock bolt on this shroud ring body.For prior art Problems existing, the technical program devises connecting plate, it can control the gap of guide vane arm when assembling spindle nose be connected with guide vane spindle nose, can directly coordinate with connecting rod again, and carries out pushing tow bolt matching by the compensation block that guide vane arm is extended.The cylinder section design mix valve structure that guide vane arm coordinates with guide vane spindle nose, as long as just opening degree of tightness can be controlled by lock bolt, pushing tow bolt, greatly improve connecting lever dismounting efficiency, and can not have a negative impact to whole driving mechanism.
As preferably, described guide vane arm cylindrical shell is provided with pushing tow bolt at groove position.During dismounting, utilize pushing tow bolt to back down two panels compensation block, guide vane arm groove gap is strengthened, thus be separated guide vane spindle nose.
As preferably, the pushing tow bolt on described guide vane arm cylindrical shell, both sides are vertically respectively equipped with clamping bolt.Pushing tow bolt is generally arranged on guide vane arm cylindrical shell intermediate portion, in use can force balance.
As preferably, described guide vane arm and guide vane spindle nose auxiliary section are provided with connecting key vertically.Its part of connecting key is arranged in guide vane arm inner hole wall, and remaining part is arranged in guide vane spindle nose.Connecting key is provided with height limit breach, and gap portions is provided with thick jam plate, by thick jam plate restriction connecting key play vertically.Thick jam plate is fixed in guide vane arm body end surface, as long as pull down thick jam plate, connecting key just can take out.
As preferably, described guide vane arm end face is provided with protecting cover, and connecting key one end is through protecting cover.Can connecting key routine work situation directly perceived, keep between attachment hole, axle by protecting cover clean.
As preferably, described connecting key is positioned at 9/10ths of the length≤guide vane arm hole length of guide vane arm.With the main length of thread engagement of guide vane arm axle head, namely the length section of outermost end is for connecting strong length reference object, when ensureing the job requirement intensity of connecting key, selects short getting carefully as far as possible.Further, connecting key, when practical application, can arrange two or more, is evenly distributed in the circumference of guide vane arm and the cooperation of guide vane spindle nose.
As preferably, described guide vane arm cylindrical shell is provided with compensation block at groove position, and pushing tow bolt, lock bolt are arranged on compensation block.Convenient operation, adjustment, ensure the structural strength of guide vane arm cylindrical shell.
The beneficial effects of the utility model are: the design of connecting key makes shaft hole matching connection both ensure that transmission requirement of strength, makes again dismounting operation become light; The split structure of guide vane arm, connecting plate, can control the openings of sizes of guide vane arm groove by clamping bolt and pushing tow bolt, make to remove and install to become very convenient; The setting of break pin prevents the damage occurring main process equipment during the unexpected phenomenons such as guide vane gets stuck; Avoid heavy bell impact, greatly reduce maintainer's labor intensity, increase work efficiency, ensure that the Security of personnel and equipment.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is that the A of the utility model Fig. 1 is to structural representation.
Fig. 3 is the partial enlargement structural representation of the utility model Fig. 2.
Fig. 4 is a kind of Fig. 1 guide vane arm position of the present utility model partial enlargement structural representation.
In figure: 1. connecting plate, 2. guide vane arm, 3. connecting key, 4. thick jam plate, 5. lock bolt, 6. break pin, 7. guide vane, 8. connecting rod assembling, 9. pushing tow bolt, 10. clamping bolt.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Axle coupling arrangement between the present embodiment a kind of water turbine connecting lever and movable guide vane, as shown in Figure 1, if a plate 1, one end is connected with the connecting rod means 8 duplex arm of transmission system by bearing pin, and the other end is connected with movable guide vane 7.
Particularly, its one end of connecting plate 1 is shroud ring body structure, and the other end is provided with the pin-and-hole be connected with connecting rod means 8 duplex arm, and intermediate portion is provided with the pin-and-hole be connected with water guide arm 2, as shown in Figure 2.Guide vane arm 2 has the cylindrical shell coordinated with guide vane 7 spindle nose, is provided with shoulder hole in cylindrical shell, and guide vane arm 2 cylindrical shell offers a groove vertically to form two valve structures.
Further, the upper end of guide vane arm 2 cylindrical shell coordinates with the shroud ring body of connecting plate 1, aligns with the groove of guide vane arm 2 in the position of cracking of connecting plate 1 shroud ring body.The lower part of guide vane arm 2 cylindrical shell is provided with symmetrically arranged two block compensation blocks at groove position, compensation block and guide vane arm 2 are integral type structure.
Compensation block is provided with row three hole vertically: middle is monolateral screw, is opened on two block compensation blocks wherein one piece, is used for assembling pushing tow bolt 9; Another holes assembling clamping bolt 10, is used for adjusting guide vane arm 2 groove gap and fixing with guide vane 7 spindle nose.
Connecting plate 1 shroud ring body is positioned at the one end of cracking and is provided with lock bolt 5 equally, and as shown in Figure 3, the object that the gap coordinated in order to energy adjusting hole axle and locking hole axle coordinate, guide vane arm 2 cylindrical shell groove spacing M is 10mm.Guide vane arm 2 is provided with connecting body towards connecting rod means 8 one end, and this connecting body and connecting plate 1 intermediate portion pin-and-hole assemble break pin 6 jointly.
Establish a connecting key 3 vertically at guide vane arm 2 and guide vane 7 spindle nose auxiliary section, see Fig. 4, the half of connecting key 3 is arranged in the inner hole wall of guide vane arm 2, and second half is arranged in guide vane 7 spindle nose.Connecting key 3 is provided with height limit breach, this breach is positioned at connecting key 2 and exposes part outside guide vane arm 2 endoporus, the length that connecting key 3 is positioned at guide vane arm 2 is generally 4/5ths of guide vane arm hole length, gap portions is used for coordinating thick jam plate 4, and thick jam plate 4 is screwed on guide vane arm 2 end face.
Guide vane arm 2 end face is provided with protecting cover, and one end of connecting key 3 is visual through protecting cover end.
Connecting key 3 pilot hole, break pin 6 pilot hole all can be processed in the two work pieces mate states cooperatively interacted, and reach monotony and coordinate.
This device can meet transmitted power requirement completely, and when unit maintenance, first connecting plate 1 and connecting rod means 8 is departed from, and takes out pin; Then remove break pin 6 and thick jam plate 6, extract connecting key 3, then open connecting plate 1 by unclamping lock bolt 5, remove clamping bolt 10 and unclamp guide vane arm 4 distinguish cylindrical shell, utilize pushing tow bolt 9 further, expand guide vane arm 4 cylindrical shell distinguish groove gap, subsequently connecting lever entirety is hung out.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, anyly all belongs to protection domain of the present utility model to the structure after simple transformation of the present utility model.
Claims (7)
1. the axle coupling arrangement between a water turbine connecting lever and movable guide vane, comprise the guide vane arm (2) be connected with guide vane (7) spindle nose, be connected to the connecting plate (1) between guide vane arm and connecting rod assembling (8), it is characterized in that described guide vane arm is provided with and guide vane spindle nose auxiliary section, this auxiliary section is two lobe shroud ring structures; Two lobe shroud ring respective outer side edges places of connecting plate and guide vane arm are also shroud ring body, and are provided with lock bolt (5) on this shroud ring body.
2. the axle coupling arrangement between a kind of water turbine connecting lever according to claim 1 and movable guide vane, is characterized in that described guide vane arm (2) cylindrical shell is provided with pushing tow bolt (9) at groove position.
3. the axle coupling arrangement between a kind of water turbine connecting lever according to claim 1 and 2 and movable guide vane, it is characterized in that the pushing tow bolt (9) on described guide vane arm (2) cylindrical shell, both sides are vertically respectively equipped with clamping bolt (10).
4. the axle coupling arrangement between a kind of water turbine connecting lever according to claim 1 and 2 and movable guide vane, is characterized in that being provided with connecting key (3) between described guide vane arm (2) and guide vane (7) spindle nose.
5. the axle coupling arrangement between a kind of water turbine connecting lever according to claim 4 and movable guide vane, is characterized in that described guide vane arm (2) end face is provided with protecting cover, and connecting key (3) one end is through protecting cover.
6. the axle coupling arrangement between a kind of water turbine connecting lever according to claim 5 and movable guide vane, is characterized in that described connecting key (3) is positioned at 9/10ths of the length≤guide vane arm hole length of guide vane arm (2).
7. the axle coupling arrangement between a kind of water turbine connecting lever according to claim 1 and 2 and movable guide vane, it is characterized in that described guide vane arm (2) cylindrical shell is provided with compensation block at groove position, pushing tow bolt (9), lock bolt (10) are arranged on compensation block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520568041.0U CN204921721U (en) | 2015-07-31 | 2015-07-31 | Axle coupling device between hydraulic turbine turning arm and activity water guide leaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520568041.0U CN204921721U (en) | 2015-07-31 | 2015-07-31 | Axle coupling device between hydraulic turbine turning arm and activity water guide leaf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204921721U true CN204921721U (en) | 2015-12-30 |
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ID=54970852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520568041.0U Expired - Fee Related CN204921721U (en) | 2015-07-31 | 2015-07-31 | Axle coupling device between hydraulic turbine turning arm and activity water guide leaf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204921721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798604A (en) * | 2016-05-25 | 2016-07-27 | 黑龙江省电力有限公司牡丹江水力发电总厂 | Dedicated mounting and adjusting tool for water guide blade |
-
2015
- 2015-07-31 CN CN201520568041.0U patent/CN204921721U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798604A (en) * | 2016-05-25 | 2016-07-27 | 黑龙江省电力有限公司牡丹江水力发电总厂 | Dedicated mounting and adjusting tool for water guide blade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20151230 |