CN116131502B - Stable type water turbine stator frame - Google Patents
Stable type water turbine stator frame Download PDFInfo
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- CN116131502B CN116131502B CN202310416180.0A CN202310416180A CN116131502B CN 116131502 B CN116131502 B CN 116131502B CN 202310416180 A CN202310416180 A CN 202310416180A CN 116131502 B CN116131502 B CN 116131502B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The invention discloses a stable water turbine stator frame, which comprises a supporting mechanism, a supporting mechanism and a supporting mechanism, wherein the supporting mechanism comprises a building base body, a base ring constructed on the building base body and a positioning cavity arranged on the base ring; the stator frame comprises a stator frame body, supporting legs arranged on the stator frame body and an extending positioning component arranged on the supporting legs; and the locking mechanism comprises a lock seat arranged on the base ring and a bolt part arranged on the lock seat. Through setting up location cavity and extending the locating part, after extending the locating part and entering into the inboard of a plurality of location cavities completely, the bottom of a plurality of supporting legs all laminates with the base circle, and the base circle can form stable support to the supporting leg in this moment, has avoided among the prior art, supports unstable problem to the supporting leg.
Description
Technical Field
The invention relates to the technical field of water turbines, in particular to a stable water turbine stator base.
Background
The water turbine and the auxiliary machine are important hydroelectric equipment, are indispensable components in the hydroelectric industry, are important equipment for realizing energy conservation and emission reduction by fully utilizing clean renewable energy, and are suitable for the development scale of the hydroelectric industry in China. Under the strong pulling of the electric power demand of China, the manufacturing industries of the water turbines and auxiliary machines in China enter the rapid development period, the economic scale and the technical level of the water turbines in China are obviously improved, and the manufacturing technology of the water turbines in China reaches the world advanced level.
The utility model discloses a hydraulic turbine stator frame in the chinese patent document of application number 202011009360, including seat circle, a plurality of frame leg and last frame, the shape of seat circle is the ring, a plurality of frame legs along the circumferencial direction evenly distributed of seat circle and with seat circle fixed connection, the one end of frame leg is located the top of seat circle and is equipped with the supporting shoe, is equipped with self-locking mechanism on the supporting shoe, and the supporting shoe passes through self-locking mechanism and goes up the frame and can dismantle the connection, and the other end of frame leg is located the below of seat circle.
However, in the above prior art, the spring is provided below the contact block, in which case, when the contact block supports its support arm, the spring is always between the contact block and the support block, so that there is always a gap between the contact block and the support block, which causes a problem that it is difficult for the support block to stably support the contact block.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.
The invention is provided in view of the problem of unstable support of the existing stable turbine stator base.
It is therefore an object of the present invention to provide a stable turbine stator housing.
In order to solve the technical problems, the invention provides the following technical scheme: the support mechanism comprises a building matrix, a base ring built on the building matrix and a positioning cavity arranged on the base ring; the stator frame comprises a stator frame body, supporting legs arranged on the stator frame body and an extending positioning component arranged on the supporting legs; and a locking mechanism comprising a lock base provided on the base ring and a tongue component provided on the lock base;
wherein, when extending the locating part and fully entering the locating chamber inboard, the supporting leg can with the laminating of base circle, the spring bolt part can lock and extend the locating part.
As a preferred embodiment of the stator housing of a stabilized water turbine according to the present invention, the following is adopted: the extending positioning component comprises an extending body fixed on the supporting leg, an entering groove is formed in the bottom end of the extending body, an abutting protrusion is arranged in the entering groove, and a locking groove communicated with the entering groove is formed in the extending body; the lock tongue part comprises a sliding column arranged on the lock seat and a locking tongue arranged at the end part of the sliding column; when the extending positioning component enters the positioning cavity, the locking tongue can reach the inner side of the locking groove through the entering groove.
As a preferred embodiment of the stator housing of a stabilized water turbine according to the present invention, the following is adopted: the device comprises a pressing part arranged on the supporting leg, a transmission part arranged on the base ring and a limiting part connected with the transmission part; when the pressing part presses the transmission part, the transmission part can push the limiting part, and the limiting part can be close to the lock tongue part.
As a preferred embodiment of the stator housing of a stabilized water turbine according to the present invention, the following is adopted: the transmission part comprises a pressing body arranged on the base ring, a pressing spring which is in pressing contact with the pressing body, and a pushing component arranged at the end part of the pressing body; the limiting component comprises a translation piece pushed by the pushing component, a connecting piece for connecting the translation piece and the pushing component, and a limiting piece arranged on the translation piece.
As a preferred embodiment of the stator housing of a stabilized water turbine according to the present invention, the following is adopted: the locking mechanism also comprises a rotating part arranged on the lock seat and comprises an inner rotating component which can rotate, and a setting component connected with the inner rotating component; the lock seat is provided with an abutting position, the sliding column is connected onto the placement component in a sliding mode, and when the locking tongue abuts against the locking groove, the abutting position can form a support for the placement component.
As a preferred embodiment of the stator housing of a stabilized water turbine according to the present invention, the following is adopted: the reinforcing mechanism further comprises a mounting seat, wherein the mounting seat comprises a seat body fixed on the supporting leg, a mounting column fixed on the seat body, a positioning hole formed in the seat body and a positioning pin; the pressing component is rotationally sleeved on the outer side of the mounting column, a corresponding hole is formed in the pressing component, and when the corresponding hole is overlapped with the positioning hole, the pressing component can be locked through the positioning pin.
As a preferred embodiment of the stator housing of a stabilized water turbine according to the present invention, the following is adopted: the lock seat is provided with a transverse moving groove, one end of the transverse moving groove is close to the transverse moving groove, and the other end of the transverse moving groove extends towards the direction of the lock tongue part; the translation part is arranged on the lock seat in a sliding way through the transverse moving groove; the limiting piece comprises a lifting column which is arranged on the translation piece and can slide perpendicular to the direction of the translation piece, a guide column which is fixed on the lifting column and extends to the inner side of the offset groove and can slide along the offset groove, and a limiting end part component which is arranged at the end part of the lifting column.
As a preferred embodiment of the stator housing of a stabilized water turbine according to the present invention, the following is adopted: the pushing component is provided with an inclined pushing groove; the connecting piece comprises a sleeve frame connected with the translation piece and a side sliding block connected with the connecting piece and slidingly arranged on the inner side of the inclined pushing groove.
As a preferred embodiment of the stator housing of a stabilized water turbine according to the present invention, the following is adopted: the sliding column is also provided with a tail column extending in a direction away from the locking tongue; and the limiting end part component is provided with a limiting groove matched with the tail column.
As a preferred embodiment of the stator housing of a stabilized water turbine according to the present invention, the following is adopted: the sliding column is further provided with a side protruding structure, the outer side of the sliding column is sleeved with a reset spring, one end of the reset spring is in contact with the side protruding structure, and the other end of the reset spring is in contact with the placement member.
The invention has the beneficial effects that: through setting up location cavity and extending the locating part, after extending the locating part and entering into the inboard of a plurality of location cavities completely, the bottom of a plurality of supporting legs all laminates with the base circle, the base circle can form stable support to the supporting leg at this time, simultaneously, extend the locating part and enter into the inboard of location cavity completely, the spring bolt part in the locking mechanical system can extend the locating part through the locking, avoid extending the locating part and follow the problem that the inboard of location cavity breaks away from, reach the quick installation effect to stator support body and hydraulic turbine stator coil, avoided among the prior art simultaneously, support unstable problem to the supporting leg.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a schematic diagram of the overall structure of a stator frame of a stabilized water turbine according to the present invention.
Fig. 2 is a schematic view of the internal structure of the stator frame of the stabilized water turbine according to the present invention.
Fig. 3 is a schematic structural view of an extended positioning member of the stator frame of the stabilized hydraulic turbine according to the present invention.
Fig. 4 is an enlarged view of the stator housing of the stabilized turbine of the present invention at a point a in fig. 2.
Fig. 5 is a partial structural cross-sectional view of the stator frame of the stabilized water turbine of the present invention.
Fig. 6 is a schematic structural view of a locking mechanism and a reinforcing mechanism of a stator frame of a stabilized water turbine according to the present invention.
Fig. 7 is an exploded view showing the structure of the locking mechanism and the reinforcing mechanism of the stator frame of the stabilized hydraulic turbine of the present invention.
Fig. 8 is an enlarged view of the stator housing of the stabilized turbine of the present invention at B in fig. 7.
Fig. 9 is an exploded view of the structure of the mounting base of the stator base of the stabilized water turbine of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present invention in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Example 1
Referring to fig. 1 to 4, fig. 1 provides an overall schematic diagram of a stabilized stator frame of a hydraulic turbine, which includes a supporting mechanism 100 including a building base 101, a base ring 102 built on the building base 101, and a positioning chamber 103 opened on the base ring 102; the stator frame 200 comprises a stator frame body 201, supporting legs 202 arranged on the stator frame body 201, and an extending positioning component 203 arranged on the supporting legs 202; and, a locking mechanism 300 comprising a lock base 301 provided on the base ring 102, and a latch bolt assembly 302 provided on the lock base 301; wherein the support leg 202 can engage the base ring 102 when the extended positioning member 203 is fully inside the positioning chamber 103 and the tongue member 302 can lock the extended positioning member 203.
The building matrix 101 can be a platform body built by cement, steel bars and concrete, the base ring 102 can be a ring body structure formed by building the same material as the building matrix 101, or can be a ring body structure formed by casting hard metals (such as iron materials, alloy materials and the like) and fixed on the inner ring of the building matrix 101, in this embodiment, the number of the positioning chambers 103 is 4 to 8, and the supporting mechanism 100 is used for providing support for the stator frame 200;
the stator coil of the hydraulic turbine is fixed on the inner side of the stator frame 201, the number of the supporting legs 202 is also 4 to 8, the supporting legs 202 are annularly distributed on the stator frame 201, the number and the positions of the supporting legs 202 are in one-to-one correspondence with the positioning chambers 103, and when the hydraulic turbine is installed, the extending positioning components 203 on the supporting legs 202 can simultaneously and respectively enter the inner sides of the positioning chambers 103.
During installation, the plurality of extending locating parts 203 respectively enter the inner sides of the plurality of locating cavities 103 at the same time, after the plurality of extending locating parts 203 completely enter the inner sides of the plurality of locating cavities 103, the bottom ends of the plurality of supporting legs 202 are attached to the base ring 102, at the moment, the base ring 102 can form stable support for the supporting legs 202, meanwhile, when the extending locating parts 203 completely enter the inner sides of the locating cavities 103, the bolt parts 302 in the locking mechanism 300 can lock the extending locating parts 203, the problem that the extending locating parts 203 are separated from the inner sides of the locating cavities 103 is avoided, the rapid installation effect on the stator frame 201 and the stator coil of the water turbine is achieved, and meanwhile the problem that the supporting legs 202 are supported unstably in the prior art is avoided.
Specifically, the extending positioning component 203 includes an extending body 203a fixed on the supporting leg 202, an entering groove 203b is formed at the bottom end of the extending body 203a, an abutting protrusion 203c is formed in the entering groove 203b, and a locking groove 203d communicated with the entering groove 203b is formed on the extending body 203 a; the tongue component 302 includes a sliding post 302a provided on the lock base 301, and a locking tongue 302b provided at an end of the sliding post 302 a; when the extended positioning member 203 enters the positioning chamber 103, the locking tongue 302b can reach the inside of the locking groove 203d through the entry groove 203 b.
The base ring 102 is provided with a mounting cavity 102a at a corresponding position of each positioning cavity 103, the locking mechanism 300 is arranged on the inner side of the mounting cavity 102a, wherein the entering groove 203b and the locking groove 203d are arranged on one side close to the mounting cavity 102a, the abutting protrusion 203c is provided with an arc-shaped extrusion surface M1, when the extending body 203a enters the inner side of the positioning cavity 103, the locking tongue 302b reaches the inner side of the entering groove 203b and contacts with the arc-shaped extrusion surface M1, and as the extending body 203a moves down, the arc-shaped extrusion surface M1 presses the locking tongue 302b, the locking tongue 302b moves towards the inner side of the mounting cavity 102a, and when the locking tongue 302b reaches the locking groove 203d from the entering groove 203b, the locking tongue 302b and the arc-shaped extrusion surface M1 are separated.
In this embodiment, the latch bolt 302 formed by the sliding post 302a and the locking tongue 302b is disposed obliquely, and one end facing the positioning chamber 103 is lower than one end facing the mounting chamber 102a, when the locking tongue 302b and the arc-shaped pressing surface M1 are disengaged, the locking tongue 302b slides into the inner side of the locking groove 203d under the action of gravity, the locking groove 203d has a first abutting locking surface M2, the locking tongue 302b has a second abutting locking surface M3, and when the locking tongue 302b slides into the inner side of the locking groove 203d, the second abutting locking surface M3 and the first abutting locking surface M2 are attached to achieve the effect of locking the extension 203a, thereby achieving the effect of locking the whole stator frame 200 and the stator coil of the water turbine.
The operation process comprises the following steps: during installation, a plurality of extending locating parts 203 enter the inner sides of a plurality of locating cavities 103 respectively at the same time, after the plurality of extending locating parts 203 enter the inner sides of a plurality of locating cavities 103 completely, the bottom ends of a plurality of supporting legs 202 are attached to the base ring 102, at the moment, the base ring 102 can form stable support for the supporting legs 202, meanwhile, when the extending locating parts 203 enter the inner sides of the locating cavities 103 completely, the bolt parts 302 in the locking mechanism 300 can lock the extending locating parts 203, the problem that the extending locating parts 203 are separated from the inner sides of the locating cavities 103 is avoided, the rapid installation effect on the stator frame 201 and the stator coil of the water turbine is achieved, and meanwhile the problem that the supporting legs 202 are supported unstably in the prior art is avoided.
Example 2
Referring to fig. 1 to 6, this embodiment differs from the first embodiment in that: further included is a reinforcement mechanism 400 comprising a pressing member 401 provided on the support leg 202, a transmission member 402 provided on the base ring 102, and a stopper member 403 connected to the transmission member 402; when the pressing part 401 presses the driving part 402, the driving part 402 can push the limiting part 403, and the limiting part 403 can be close to the latch bolt part 302.
In the installation process, in the process that the extending and positioning part 203 enters the inner side of the positioning cavity 103, the supporting leg 202 can drive the pressing part 401 to descend, the pressing part 401 can press the transmission part 402, the transmission part 402 pushes the limiting part 403 under the pushing of the pressing part 401, the limiting part 403 moves towards the direction of the lock tongue part 302, when the locking tongue 302b in the lock tongue part 302 enters the inner side of the locking groove 203d, the limiting part 403 reaches the side of one end of the sliding column 302a far away from the locking tongue 302b, and the limiting part 403 limits the sliding column 302a, so that the problem that the locking tongue 302b is separated from the inner side of the locking groove 203d is avoided.
Specifically, the transmission component 402 includes a pressing body 402a disposed on the base ring 102, a pressing spring 402b that presses against the pressing body 402a, and a pushing member 402c disposed at an end of the pressing body 402 a; the limiting part 403 includes a translation 403a pushed by the pushing member 402c, a connector 403b connecting the translation 403a and the pushing member 402c, and a limiting part 403c provided on the translation 403 a.
The base ring 102 is provided with a protruding structure, a through hole is formed in the inner side of the protruding structure, a baffle ring is arranged in the through hole, a pressing head is arranged at the top of the pressing body 402a, the pressing spring 402b is located between the pressing head and the baffle ring, and when the pressing body 402a moves downwards under the pushing of the pressing component 401, the pressing head presses the pressing spring 402b.
When the pressing body 402a moves downwards, the pushing member 402c can be driven to move downwards, the pushing member 402c can push the translation piece 403a to move transversely, and in the process of moving the translation piece 403a transversely, the limiting piece 403c can be driven to move vertically, so that the limiting piece 403c is close to the lock tongue part 302.
The rest of the structure is the same as in embodiment 1.
The operation process comprises the following steps: in the process that the extending positioning part 203 enters the inner side of the positioning cavity 103, the supporting leg 202 can drive the pressing part 401 to descend, the pressing part 401 can press the transmission part 402, the transmission part 402 pushes the limiting part 403 under the pushing of the pressing part 401, the limiting part 403 moves towards the lock tongue part 302, when the locking tongue 302b in the lock tongue part 302 enters the inner side of the locking groove 203d, the limiting part 403 reaches the side of one end of the sliding column 302a far away from the locking tongue 302b, and the limiting part 403 limits the sliding column 302a, so that the problem that the locking tongue 302b is separated from the inner side of the locking groove 203d is avoided.
Example 3
Referring to fig. 2 to 9, this embodiment differs from the above embodiments in that: the locking mechanism 300 further includes a rotating part 303 provided on the lock base 301, which includes an inner rotating member 303a capable of rotating, and a setting member 303b connected to the inner rotating member 303 a; the lock base 301 is provided with a supporting position 301a, the sliding column 302a is slidably connected to the mounting member 303b, and when the locking tongue 302b abuts against the locking groove 203d, the supporting position 301a can support the mounting member 303 b.
The inner side of the lock seat 301 is provided with an arc-shaped rail 301d, the inner rotating member 303a penetrates through the arc-shaped rail 301d, the inner side of the lock seat 301 can be rotationally arranged through the arc-shaped rail 301d, the lock seat 301 is fixed at the inner side of the mounting cavity 102a, two sides of the lock seat 301 are both limiting ring parts 301e, a connecting arc part 301f is arranged between the two limiting ring parts 301e, the arc-shaped rail 301d is fixed on the connecting arc part 301f, the abutting position 301a is one end, close to the positioning cavity 103, of the connecting arc part 301f, the mounting member 303b is U-shaped in the embodiment, one end of the mounting member 303b is connected with the inner rotating member 303a, a sleeving hole is formed in the mounting member 303b, the mounting member is matched with the sliding column 302a, the sliding column 302a is glidingly sleeved at the inner side of the sleeving hole, the purpose of the embodiment is to facilitate unlocking of the stator frame 200, when the stator frame 200 is required to be unlocked, the pressing of the pressing part 401 is only required to be released, the limiting part 403 is no longer limited on the sliding column 302a, the sliding tongue 200 is pulled upwards, one end 203d is close to one end of the connecting arc part 301f, which is close to the positioning cavity 103, the positioning cavity 103 is completely separated from the inner side of the positioning cavity, the stator 103 b, and the inner side of the positioning tongue is completely locked by the positioning tongue is pushed by the thrust piece 203b, and the positioning tongue is completely, and the inner side of the positioning member 302b can be completely separated from the positioning cavity, and the positioning cavity is completely separated from the positioning cavity, and the positioning cavity.
Specifically, the reinforcement mechanism 400 further includes a mounting base 404, which includes a base 404a fixed to the support leg 202, a mounting post 404b fixed to the base 404a, a positioning hole 404c formed in the base 404a, and a positioning pin 404d; the pressing member 401 is rotatably sleeved on the outer side of the mounting post 404b, and the pressing member 401 is provided with a corresponding hole 401a, and when the corresponding hole 401a and the positioning hole 404c are overlapped, the pressing member 401 can be locked by the positioning pin 404 d.
Through setting up mount pad 404, in the in-process of installation, the pressure exerting part 401 is in the state that can rotate, after locking tongue 302b enters the inboard of locked groove 203d, anticlockwise rotation pressure exerting part 401 this moment, press driving part 402 through pressure exerting part 401, driving part 402 promotes spacing part 403 and is close to and laminating sliding column 302a, and conflict sliding column 302a, avoid sliding column 302a anticlockwise rotation, when spacing part 403 conflict sliding column 302a, locating hole 404c and corresponding hole 401a coincide, insert locating pin 404d simultaneously the inboard of corresponding hole 401a and locating hole 404c this moment, can accomplish the work of locking pressure exerting part 401, spacing part 403 can keep the spacing to sliding column 302a this moment.
When the stator frame 200 needs to be unlocked and disassembled, only the positioning pin 404d needs to be pulled out, so that the limiting component 403 and the lock tongue component 302 are separated, at this time, the lock tongue component 302 can rotate along with the inner rotating component 303a, the stator frame 200 is pulled upwards, the first abutting locking surface M2 of the locking groove 203d can press the locking tongue 302b upwards, after the locking tongue 302b receives thrust, the locking tongue 302b can rotate anticlockwise, and completely enters the inner side of the installation cavity 102a, and at this time, the extending positioning component 203 can be separated from the inner side of the positioning cavity 103, so that the unlocking and the disassembling of the stator frame 200 and the stator coil of the water turbine are completed.
Further, the lock base 301 is provided with a lateral movement groove 301b, and an offset groove 301c with one end close to the lateral movement groove 301b and the other end extending toward the bolt member 302; the translation part 403a is slidably arranged on the lock base 301 through the lateral movement groove 301 b; the stopper 403c includes a lifting column 403c-1 provided on the translation member 403a so as to be slidable in a direction perpendicular to the translation member 403a, a guide column 403c-2 fixed to the lifting column 403c-1 so as to extend to the inside of the offset groove 301c and so as to be slidable along the offset groove 301c, and a stopper end member 403c-3 provided at an end of the lifting column 403 c-1.
In this embodiment, the lateral moving groove 301b is parallel to the top surface of the base ring 102, the translational member 403a has a rod structure, the number of the lateral moving grooves 301b is two, the two lateral moving grooves are respectively formed on one side of the two limiting ring portions 301e, which are close to each other, and two ends of the translational member 403a extend to the inner sides of the two lateral moving grooves 301 b.
The translation piece 403a is provided with a through hole, the lifting column 403c-1 slides and penetrates through the through hole, an anti-rotation protrusion is arranged on the inner side of the through hole, an anti-rotation groove is arranged on the outer side of the lifting column 403c-1, the anti-rotation protrusion slides and is arranged on the inner side of the anti-rotation groove, the end of the shifting groove 301c, which is close to the transverse moving groove 301b, is higher than the end, which is close to the lock tongue part 302, when the translation piece 403a is pushed by the pushing component 402c, the lifting column 403c-1 is driven to move, at the moment, the guide column 403c-2 moves from the end, which is close to the transverse moving groove 301b, to the end, which is close to the lock tongue part 302a, of the lifting column 403c-1 descends, and the sliding column 302a is limited by the limiting end component 403c-3.
Wherein the offset groove 301c is a circular arc type groove.
Further, the pushing member 402c is provided with an inclined pushing groove 402c-1; the connecting member 403b includes a sleeve frame 403b-1 connected to the translation member 403a, and a side slide block 403b-2 connected to the connecting member 403b and slidably disposed inside the inclined push groove 402 c-1.
In this embodiment, the pushing member 402c is of a triangle shape, a cavity is formed in the pushing member 402c, one end of the sleeve frame 403b-1 extends to the inner side of the cavity, two side walls of the cavity are provided with inclined pushing grooves 402c-1 parallel to the inclined plane of the pushing member 402c, and when the pushing member 402c descends, the side sliding block 403b-2 is pressed by the inclined pushing grooves 402c-1, and the side sliding block 403b-2 pushes the translation part 403a to move.
Further, a tail post 302c extending away from the locking tongue 302b is further provided on the sliding post 302 a; the limit end member 403c-3 is provided with a limit groove Y1 adapted to the tail boom 302 c.
The tail post 302c is used for being matched with the limiting end member 403c-3, when the limiting end member 403c-3 is in interference with the tail post 302c, the limiting end member 403c-3 can be sleeved on the outer side of the tail post 302c through the limiting groove Y1, the position of the tail post 302c is limited, the tail post 302c is prevented from rotating anticlockwise, and further the whole lock tongue component 302 is prevented from rotating anticlockwise.
Further, a side protruding structure 302d is further provided on the sliding column 302a, a return spring 302e is sleeved on the outer side of the sliding column 302a, one end of the return spring 302e abuts against the side protruding structure 302d, and the other end abuts against the mounting member 303 b.
By arranging the return spring 302e, in the process that the limiting end member 403c-3 is sleeved on the tail post 302c, the sliding post 302a can be pushed by the side protruding structure 302d, so that the contact area of the second abutting locking surface M3 of the locking tongue 302b and the first abutting locking surface M2 of the locking groove 203d is increased, when the limiting end member 403c-3 and the side protruding structure 302d are separated, the elastic force of the return spring 302e pushes the sliding post 302a to return, the contact area is reduced, and the locking tongue 302b is separated from the inner side of the locking groove 203d conveniently.
The rest of the structure is the same as in embodiment 2.
The operation process comprises the following steps: when the stator frame 200 needs to be unlocked, only the pressing part 401 needs to be released to press the driving part 402, the limiting part 403 does not limit the sliding column 302a any more, at this time, the stator frame 200 is pulled upwards, the first abutting locking surface M2 of the locking groove 203d presses the locking tongue 302b upwards, after the locking tongue 302b receives the pushing force, the locking tongue 302b can rotate anticlockwise and completely enter the inner side of the installation cavity 102a, and at this time, the extending positioning member can be separated from the inner side of the positioning cavity 103, so that the unlocking and the dismounting of the stator frame 200 and the stator coil of the water turbine are completed.
It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the invention, or those not associated with practicing the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (6)
1. A stable type hydraulic turbine stator frame, its characterized in that: comprising the steps of (a) a step of,
a support mechanism (100) comprising a building base (101), a base ring (102) built on the building base (101), and a positioning chamber (103) opened on the base ring (102);
the stator frame (200) comprises a stator frame body (201), supporting legs (202) arranged on the stator frame body (201), and an extending positioning component (203) arranged on the supporting legs (202); the method comprises the steps of,
a locking mechanism (300) comprising a lock base (301) provided on the base ring (102), and a tongue component (302) provided on the lock base (301);
wherein when the extending positioning component (203) completely enters the inner side of the positioning cavity (103), the supporting leg (202) can be attached to the base ring (102), and the bolt component (302) can lock the extending positioning component (203);
the extending positioning component (203) comprises an extending body (203 a) fixed on the supporting leg (202), an entering groove (203 b) is formed in the bottom end of the extending body (203 a), an abutting protrusion (203 c) is arranged in the entering groove (203 b), and a locking groove (203 d) communicated with the entering groove (203 b) is formed in the extending body (203 a);
the bolt part (302) comprises a sliding column (302 a) arranged on the lock seat (301), and a locking bolt (302 b) arranged at the end part of the sliding column (302 a);
when the extending positioning component (203) enters the positioning cavity (103), the locking tongue (302 b) can reach the inner side of the locking groove (203 d) through the entering groove (203 b);
the device also comprises a reinforcing mechanism (400) which comprises a pressing part (401) arranged on the supporting leg (202), a transmission part (402) arranged on the base ring (102) and a limiting part (403) connected with the transmission part (402);
when the pressing part (401) presses the transmission part (402), the transmission part (402) can push the limiting part (403), and the limiting part (403) can be close to the lock tongue part (302);
the transmission part (402) comprises a pressing body (402 a) arranged on the base ring (102), a pressing spring (402 b) which is in pressing contact with the pressing body (402 a), and a pushing component (402 c) arranged at the end part of the pressing body (402 a);
the limiting component (403) comprises a translation piece (403 a) pushed by a pushing component (402 c), a connecting piece (403 b) for connecting the translation piece (403 a) and the pushing component (402 c), and a limiting piece (403 c) arranged on the translation piece (403 a);
the locking mechanism (300) further comprises a rotating part (303) arranged on the lock seat (301) and comprising a rotatable inner rotating member (303 a) and a setting member (303 b) connected with the inner rotating member (303 a);
the lock seat (301) is provided with an abutting position (301 a), the sliding column (302 a) is connected to the placement member (303 b) in a sliding mode, and when the locking tongue (302 b) abuts against the locking groove (203 d), the abutting position (301 a) can support the placement member (303 b).
2. The stabilized turbine stator frame of claim 1 wherein: the reinforcing mechanism (400) further comprises a mounting seat (404), which comprises a seat body (404 a) fixed on the supporting leg (202), a mounting column (404 b) fixed on the seat body (404 a), a positioning hole (404 c) formed in the seat body (404 a) and a positioning pin (404 d);
the pressing component (401) is rotationally sleeved on the outer side of the mounting column (404 b), a corresponding hole (401 a) is formed in the pressing component (401), and when the corresponding hole (401 a) is overlapped with the positioning hole (404 c), the pressing component (401) can be locked through the positioning pin (404 d).
3. The stabilized turbine stator frame of claim 2 wherein: a transverse moving groove (301 b) and an offset groove (301 c) with one end close to the transverse moving groove (301 b) and the other end extending towards the direction of the lock tongue part (302) are formed on the lock seat (301);
the translation piece (403 a) is arranged on the lock seat (301) in a sliding way through the transverse moving groove (301 b);
the limiting piece (403 c) comprises a lifting column (403 c-1) which is arranged on the translation piece (403 a) and can slide along the direction perpendicular to the translation piece (403 a), a guide column (403 c-2) which is fixed on the lifting column (403 c-1) and extends to the inner side of the offset groove (301 c) and can slide along the offset groove (301 c), and a limiting end part component (403 c-3) which is arranged at the end part of the lifting column (403 c-1).
4. A stabilized turbine stator housing as in claim 3 wherein: the pushing component (402 c) is provided with an inclined pushing groove (402 c-1);
the connecting piece (403 b) comprises a sleeve frame (403 b-1) connected with the translation piece (403 a), and a side sliding block (403 b-2) connected with the connecting piece (403 b) and slidingly arranged on the inner side of the inclined pushing groove (402 c-1).
5. The stabilized turbine stator frame of claim 4 wherein: the sliding column (302 a) is also provided with a tail column (302 c) extending away from the locking tongue (302 b);
and a limit groove (Y1) matched with the tail column (302 c) is formed in the limit end part component (403 c-3).
6. A stabilized turbine stator housing as claimed in claim 4 or 5, wherein: the sliding column (302 a) is further provided with a side protruding structure (302 d), a return spring (302 e) is sleeved on the outer side of the sliding column (302 a), one end of the return spring (302 e) is in interference with the side protruding structure (302 d), and the other end of the return spring is in interference with the placement member (303 b).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310416180.0A CN116131502B (en) | 2023-04-19 | 2023-04-19 | Stable type water turbine stator frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310416180.0A CN116131502B (en) | 2023-04-19 | 2023-04-19 | Stable type water turbine stator frame |
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| CN116131502A CN116131502A (en) | 2023-05-16 |
| CN116131502B true CN116131502B (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310416180.0A Active CN116131502B (en) | 2023-04-19 | 2023-04-19 | Stable type water turbine stator frame |
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| EP0516442A2 (en) * | 1991-05-31 | 1992-12-02 | Texas Instruments Incorporated | Mounting apparatus for electrical motor control components and method for disengaging locked connectors |
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|---|---|
| CN116131502A (en) | 2023-05-16 |
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