CN113977461B - Cavitation repairing device for water turbine unit of energy storage power station and use method of cavitation repairing device - Google Patents
Cavitation repairing device for water turbine unit of energy storage power station and use method of cavitation repairing device Download PDFInfo
- Publication number
- CN113977461B CN113977461B CN202111362900.7A CN202111362900A CN113977461B CN 113977461 B CN113977461 B CN 113977461B CN 202111362900 A CN202111362900 A CN 202111362900A CN 113977461 B CN113977461 B CN 113977461B
- Authority
- CN
- China
- Prior art keywords
- sliding
- rotating
- shaped
- groove
- fixing
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/02—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to separate articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Turbines (AREA)
Abstract
The invention discloses a cavitation repairing device for a water turbine unit for an energy storage power station and a use method thereof, and relates to the technical field of cavitation repairing of water turbine units. The beneficial effects of the invention are as follows: the sand blasting gun barrel fixed by the repairing mechanism is driven to move in a turnover mode through the turnover movement of the fixing strip of the repairing mechanism, firstly, the surface of a cavitation part is polished, then the gun barrel fixing frame is rotated, so that bristles of the brushing barrel are contacted with the inner wall of the rotating wheel chamber, the surface of the cavitation pit is coated with special primer and then filled with high polymer materials, the construction of complicated processes such as gouging and welding is avoided, the labor intensity of maintenance construction is reduced, a large amount of manpower is saved, and a large amount of maintenance funds are saved.
Description
Technical Field
The invention relates to the technical field of cavitation repair of a water turbine unit, in particular to a cavitation repair device of a water turbine unit for an energy storage power station and a use method of the cavitation repair device.
Background
In the long-term high-head running process of the unit of the through-flow water turbine runner chamber for the energy storage power station, a large number of bubbles appear in tail water, water flows through a region with the pressure lower than the vaporization pressure in a runner of the water turbine, the water flowing through a blade gap is vaporized and boiled to generate bubbles, local impact pressure is generated, the metal surface is subjected to repeated impact load, the runner chamber material is damaged, metal crystals are cavitation-shed, and large-area cavitation pits appear in the upper part and the lower part of a lining of the runner chamber. When the tail water level of the power station is continuously reduced, the maximum water head of the unit sometimes exceeds the maximum design water head in the actual operation process, so that the cavitation phenomenon of the unit is aggravated, the mechanical strength of the rotating wheel chamber is reduced, meanwhile, the roughness of the overcurrent part of the unit is further increased, the water head loss is increased, the efficiency of the unit is reduced, and the output and safe and stable operation of the unit are influenced.
The existing turbine runner chamber cavitation repair generally adopts the construction of complicated processes such as gouging, welding and the like, the turbine runner chamber is overhauled, the cavitation condition of the turbine runner chamber is observed, the cavitation part is repaired, the first step is to carry out surface polishing treatment, the cavitation layer is scraped off, a tool is a carbon arc gouging and polishing machine, a lower surface cleaning treatment is carried out after polishing, a special primer is brushed, the brush is generally used for manual brushing, the cavitation part is coated completely, then the most important work is to blend polymer materials, the cavitation part is coated with materials, the used tool is an arc-shaped sample ruler processed according to the turbine runner chamber, the scraping coating is carried out along a datum plane until the cavitation part is covered completely, the repair is successful after the material curing is finished, and the maintenance construction has large labor intensity due to the large volume of the runner chamber part and irregular shape of the maintenance construction and simultaneously requires a large amount of maintenance funds.
Disclosure of Invention
In order to achieve the above-mentioned aim, the invention provides a cavitation repairing device for a water turbine set for an energy storage power station and a using method thereof.
The technical scheme is that the repairing device comprises a bottom plate, a supporting seat arranged on the bottom plate, side plates and supporting plates, wherein the side plates and the supporting plates are arranged on two sides of the supporting seat, a rotating mechanism is arranged on each side plate, and a repairing mechanism is arranged on one side of each rotating mechanism;
a limiting block matched with a groove on the outer wall of a rotating wheel chamber of the water turbine unit is arranged on the supporting seat, limiting clamping rings are arranged at two ends of the limiting block, and the two limiting clamping rings are respectively clamped with the inner sides of two outer side edges of the rotating wheel chamber; the side plate is provided with a transverse limit groove, the rotating mechanism comprises a rotating rod, a sliding part driving the rotating rod to move upwards in the horizontal direction and a driving assembly driving the sliding part to move, one end of the rotating rod is provided with a special-shaped rotary plate, one end of the special-shaped rotary plate is provided with a first sliding shaft in sliding fit with the limit groove, the other end of the special-shaped rotary plate is provided with a repairing mechanism fixing strip, two limit rings are arranged between the special-shaped rotary plate and the repairing mechanism fixing strip, a connecting groove is formed between the two limit rings, the sliding part comprises a vertical rod, the bottom of the vertical rod is fixedly provided with a connecting ring, the connecting ring is in sliding connection with the connecting groove between the limit rings, and one side of the vertical rod, which faces the side plate, is fixedly provided with a T-shaped sliding block;
the end part of the first sliding shaft is provided with a limiting disc, and the diameters of the limiting disc and the special-shaped rotary disc are both larger than the height of the limiting groove.
The driving assembly comprises a guide rail fixedly arranged on the side face of the side plate, a transverse T-shaped groove is formed in the guide rail, a screw rod is arranged in the T-shaped groove, two ends of the screw rod are respectively connected with two ends of the guide rail in a rotating mode, the middle of the T-shaped sliding block is in threaded connection with the screw rod, and the outer wall of the T-shaped sliding block is in sliding fit with the T-shaped groove.
The middle part of repairing mechanism fixed strip has seted up repairing mechanism fixed slot, a plurality of evenly distributed's screw hole has all been seted up to repairing mechanism fixed slot's both sides.
The repairing mechanism comprises a telescopic rod, a -shaped frame arranged at the bottom of the telescopic rod, a gun tube fixing frame arranged in the -shaped frame and a brushing barrel arranged on one side of the gun tube fixing frame, wherein a plurality of fixing rods are fixedly arranged below the gun tube fixing frame, a fixing ring is fixedly arranged at the bottom of the fixing rods, a rotating shaft is arranged above the gun tube fixing frame, the rotating shaft of the gun tube fixing frame is rotationally connected with the -shaped frame, a motor is fixedly arranged on the side wall of the -shaped frame, and an output shaft of the motor is coaxially and fixedly connected with the rotating shaft of the gun tube fixing frame;
the novel brush holder is characterized in that a brush holder is fixedly arranged on one side of the -shaped frame, rotating shafts are arranged at two ends of the brush holder, the rotating shafts at two ends of the brush holder are respectively connected with the brush holder in a rotating mode through bearings, an inner cavity is formed in the brush holder, a feeding pipe is fixedly arranged on one side of the brush holder in the rotating shaft, the feeding pipe is communicated with the inner cavity of the brush holder, a sealing cover is connected with an inlet of the end portion of the feeding pipe in a threaded mode, a plurality of evenly distributed bristles are arranged on the outer wall of the brush holder, and a plurality of rows of evenly distributed small holes are further formed in the outer wall of the brush holder. The gun barrel fixing frame is used for fixing a sand-blasting gun barrel of the rust-removing sand-blasting machine, the sand-blasting gun barrel is placed in the fixing ring, and then the sand-blasting gun barrel can be bound on the fixing rod by using iron wires or ropes; the telescopic rod is an electric telescopic rod.
The top of telescopic link is fixed and is provided with the sliding block of I-shaped, the riser of sliding block with repairing mechanism fixed slot sliding fit, a plurality of screw hole has been seted up on the diaphragm of sliding block, the diaphragm of sliding block with repairing mechanism fixed slot's both sides pass through bolt fixed connection.
Three cylindrical protruding blocks which are evenly distributed are arranged on the side wall of the side plate above the middle of the limiting groove, three limiting grooves are formed in the side edge of the special-shaped rotary table, the outer walls of the limiting grooves between two adjacent limiting grooves and at two ends are all smooth circular arcs, and the three limiting grooves are respectively in sliding fit with the three cylindrical protruding blocks.
Electric push rods are arranged between the bottoms of the side plates and the supporting plates and between the bottoms of the supporting plates and the side walls of the supporting seats, and the telescopic ends of the electric push rods are fixedly connected with the side plates and the side walls of the supporting plates respectively.
The plate surface of the side plate is perpendicular to the axial direction of the rotating wheel chamber.
The support plate is provided with a transverse limit groove, the support plate corresponds to the limit groove on the side plate in the horizontal direction, a second sliding shaft is connected in the limit groove of the support plate in a sliding manner, the end part of the second sliding shaft is provided with two limit discs, the part of the second sliding shaft between the two limit discs is in sliding fit with the limit groove, and the diameters of the two limit discs are larger than the height of the limit groove;
and one side of the second sliding shaft, which faces the repair mechanism fixing strip, is provided with a rectangular groove which is in sliding fit with the end part of the repair mechanism fixing strip.
The application method of the cavitation repairing device for the water turbine unit based on the energy storage power station comprises the following steps of:
s1, in an initial state, the electric push rods at the bottoms of the side plates and the supporting plates are pushed outwards, then the inner wall of the detached runner chamber is upwards placed on the supporting seat, the limiting block is matched with a groove on the outer wall of the runner chamber of the water turbine unit, and the two limiting snap rings are respectively clamped with the two outer side edges of the runner chamber to prevent the runner chamber from slipping;
s2, the electric push rods at the bottoms of the side plates and the supporting plates retract inwards to drive the side plates and the supporting plates to be close to the runner chamber, the end parts of the fixing strips of the repairing mechanisms on the side plates are clamped together with the rectangular grooves in the supporting plates, the fixing strips of the repairing mechanisms can drive the second sliding shafts to rotate together, the fixing strips of the repairing mechanisms are positioned at the upper end positions of the runner chamber, firstly polishing the surfaces of cavitation parts, the I-shaped sliding blocks at the tops of the telescopic rods slide to the positions required to be polished along the fixing grooves of the repairing mechanisms, the transverse plates of the sliding blocks are fixedly connected with the two sides of the fixing grooves of the repairing mechanisms through bolts, the sand blasting barrel of the rust removing sand blasting machine is placed in the fixing rings, the sand blasting barrel is bound on the fixing rods of the barrel fixing frame through iron wires or ropes and the like, the telescopic rods can be adjusted according to the size of the actual runner chamber, the front ends of the sand blasting barrel can be guaranteed to be processed to the surfaces of the cavitation parts, and the top surfaces of the barrel fixing frames are parallel to the top surfaces of the -shaped frames, namely the sand blasting nozzles are always perpendicular to the tangential surfaces of the inner walls of the runner chamber;
s3, starting a motor for driving the screw rod to rotate, wherein the screw rod drives the T-shaped sliding block to move horizontally, the T-shaped sliding block drives the sliding piece to move, so that the rotating rod is pulled to move horizontally along the limiting groove, when a first limiting groove on the special-shaped turntable contacts with the cylindrical protruding block, the remaining limiting groove and the cylindrical protruding block are respectively clamped, so that the rotating rod is turned over by 180 degrees, and the inner wall of the rotating wheel chamber can be comprehensively polished;
s4, after finishing polishing, filling special primer into a feed pipe of the brushing barrel, starting a motor on the side wall of the -shaped frame at the moment, driving a gun barrel fixing frame to incline to one side of the brushing barrel by a certain angle, and forming a certain angle between the top surface of the gun barrel fixing frame and the top surface of the -shaped frame at the moment, namely, the brushing barrel approaches to the inner wall of the rotating wheel chamber, the bristles of the brushing barrel contact the inner wall of the rotating wheel chamber, and the special primer flows out along small holes on the outer wall of the brushing barrel and uniformly coats the special primer through rolling of the bristles of the brushing barrel;
s5, filling a polymer material into a feed pipe of the brushing barrel according to the method of the step 4, smearing the polymer material, enabling bristles to contact the inner wall of the rotating wheel chamber, ensuring that the paint and the polishing surface are in complete and effective contact, ensuring that cavitation pits are filled with the polymer material, and coating the cavitation pits to the surface of the inner wall of the rotating wheel chamber slightly higher than the viscous material;
s6, after the smearing is finished, curing by adopting a bulb, a heater or a natural air drying curing mode.
The technical scheme provided by the embodiment of the invention has the beneficial effects that: according to the cavitation repairing device for the water turbine unit for the energy storage power station and the use method thereof, the sand blasting gun barrel fixed by the repairing mechanism is driven to move in a overturning mode through the overturning movement of the fixing strip of the repairing mechanism, firstly, the surface of a cavitation part is polished, then, the gun barrel fixing frame is rotated, bristles of the brushing barrel are enabled to be contacted with the inner wall of the rotating wheel chamber, the surfaces of cavitation pits are coated with special priming paint and then are filled with high polymer materials, construction of complicated processes such as gouging and welding is avoided, labor intensity of overhaul construction is reduced, a large amount of manpower is saved, and a large amount of maintenance funds are saved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention.
Fig. 2 is a partial enlarged view of a of fig. 1.
Fig. 3 is a schematic diagram of the overall structure of the second embodiment of the present invention.
Fig. 4 is a schematic structural view of a rotary rod according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a base plate and a supporting seat according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a sliding member according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a repairing mechanism according to an embodiment of the present invention.
Wherein, the reference numerals are as follows: 1. a bottom plate; 2. a support base; 201. a limiting block; 202. a limiting snap ring; 3. a side plate; 4. a support plate; 5. a wheel chamber; 6. an electric push rod; 7. a limit groove; 8. a rotating rod; 801. a special-shaped turntable; 802. a first sliding shaft; 803. a repair mechanism fixing strip; 804. a limit ring; 805. a limiting disc; 806. a repair mechanism fixing groove; 807. a second sliding shaft; 808. rectangular grooves; 901. a vertical rod; 902. a connecting ring; 903. a T-shaped sliding block; 1001. a guide rail; 1002. t-shaped grooves; 1003. a screw rod; 12. a telescopic rod; 13. shaped shelves; 14. a gun barrel fixing frame; 15. a brushing cylinder; 16. a brushing cylinder fixing frame; 17. a feed pipe; 18. brushing; 19. a small hole; 20. a sliding block; 21. a cylindrical bump; 22. a limit groove; 23. and a motor.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. Of course, the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the invention, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art in a specific case.
Example 1
Referring to fig. 1 to 7, the invention provides a cavitation repairing device for a water turbine set for an energy storage power station and a using method thereof, wherein the cavitation repairing device comprises a bottom plate 1, a supporting seat 2 arranged on the bottom plate 1, side plates 3 and supporting plates 4 arranged on two sides of the supporting seat 2, a rotating mechanism is arranged on the side plates 3, and a repairing mechanism is arranged on one side of the rotating mechanism;
a limiting block 201 matched with a groove on the outer wall of the runner chamber 5 of the water turbine unit is arranged on the supporting seat 2, limiting snap rings 202 are arranged at two ends of the limiting block 201, and the two limiting snap rings 202 are respectively clamped with the two outer side edges of the runner chamber 5; the side plate 3 is provided with a transverse limit groove 7, the rotating mechanism comprises a rotating rod 8, a sliding part driving the rotating rod 8 to move in the horizontal direction and a driving component driving the sliding part to move, one end of the rotating rod 8 is provided with a special-shaped rotary plate 801, one end of the special-shaped rotary plate 801 is provided with a first sliding shaft 802 in sliding fit with the limit groove 7, the other end of the special-shaped rotary plate 801 is provided with a repairing mechanism fixing strip 803, two limit rings 804 are arranged between the special-shaped rotary plate 801 and the repairing mechanism fixing strip 803, a connecting groove is formed between the two limit rings 804, the sliding part comprises a vertical rod 901, the bottom of the vertical rod 901 is fixedly provided with a connecting ring 902, the connecting ring 902 is in sliding connection with the connecting groove between the limit rings 804, and one side of the vertical rod 901 facing the side plate 3 is fixedly provided with a T-shaped sliding block 903;
the end of the first sliding shaft 802 is provided with a limit disc 805, and the diameters of the limit disc 805 and the special-shaped rotary disc 801 are both larger than the height of the limit groove 7.
The drive assembly includes the fixed guide rail 1001 that sets up on curb plate 3 side, has seted up horizontal T font recess 1002 on the guide rail 1001, is provided with the lead screw 1003 in the T font recess 1002, and the both ends of lead screw 1003 are rotated with the both ends of guide rail 1001 respectively and are connected, and the middle part and the lead screw 1003 threaded connection of T font slider 903, the outer wall and the T font recess 1002 sliding fit of T font slider 903.
The middle part of repair mechanism fixing strip 803 has seted up repair mechanism fixing groove 806, and a plurality of evenly distributed's screw hole has all been seted up to repair mechanism fixing groove 806's both sides.
The repairing mechanism comprises a telescopic rod 12, a -shaped frame 13 arranged at the bottom of the telescopic rod 12, a gun tube fixing frame 14 arranged in the -shaped frame 13 and a brushing cylinder 15 arranged on one side of the gun tube fixing frame 14, wherein a plurality of fixing rods are fixedly arranged below the gun tube fixing frame 14, a fixing ring is fixedly arranged at the bottom of the fixing rods, a rotating shaft is arranged above the gun tube fixing frame 14, the rotating shaft of the gun tube fixing frame 14 is in rotary connection with the -shaped frame 13, a motor 23 is fixedly arranged on the side wall of the -shaped frame 13, and an output shaft of the motor 23 is in coaxial fixed connection with the rotating shaft of the gun tube fixing frame 14;
one side of the -shaped frame 13 is fixedly provided with a brushing tube fixing frame 16, two ends of the brushing tube 15 are provided with rotating shafts, the rotating shafts at the two ends of the brushing tube 15 are respectively connected with the brushing tube fixing frame 16 in a rotating way through bearings, the brushing tube 15 is provided with an inner cavity, one side of the brushing tube 15 is fixedly provided with a feeding tube 17 in the rotating shaft, the feeding tube 17 is communicated with the inner cavity of the brushing tube 15, an end inlet of the feeding tube 17 is in threaded connection with a sealing cover, the outer wall of the brushing tube 15 is provided with a plurality of evenly distributed bristles 18, and the outer wall of the brushing tube 15 is also provided with a plurality of rows of evenly distributed small holes 19. The gun barrel fixing frame 14 is used for fixing a sand-blasting gun barrel of a rust-removing sand-blasting machine, the sand-blasting gun barrel is placed in a fixing ring, and then the sand-blasting gun barrel can be bound on a fixing rod by using an iron wire or a rope; the telescopic rod 12 is an electric telescopic rod.
The top of the telescopic rod 12 is fixedly provided with an I-shaped sliding block 20, a vertical plate of the sliding block 20 is in sliding fit with a repairing mechanism fixing groove 806, a plurality of threaded holes are formed in a transverse plate of the sliding block 20, and the transverse plate of the sliding block 20 is fixedly connected with two sides of the repairing mechanism fixing groove 806 through bolts.
Three cylindrical protruding blocks 21 which are uniformly distributed are arranged on the side wall of the side plate 3 above the middle part of the limiting groove 7, three limiting grooves 22 are formed in the side edge of the special-shaped rotary table 801, smooth circular arcs are arranged between two adjacent limiting grooves 22 and on the outer walls of the limiting grooves 22 at the two ends, and the three limiting grooves 22 are respectively in sliding fit with the three cylindrical protruding blocks 21.
Electric push rods 6 are arranged between the bottoms of the side plates 3 and the supporting plates 4 and the side walls of the supporting base 2, and the telescopic ends of the electric push rods 6 are fixedly connected with the side walls of the side plates 3 and the supporting plates 4 respectively.
The plate surface of the side plate 3 is arranged perpendicular to the axial direction of the runner chamber 5.
The support plate 4 is provided with a transverse limit groove 7, the limit grooves 7 on the support plate 4 and the side plates 3 are corresponding in the horizontal direction, a second sliding shaft 807 is connected in a sliding manner in the limit groove 7 of the support plate 4, two limit discs 805 are arranged at the end parts of the second sliding shaft 807, part of the second sliding shaft 807 between the two limit discs 805 is in sliding fit with the limit groove 7, and the diameters of the two limit discs 805 are larger than the height of the limit groove 7;
the second sliding shaft 807 is provided with a rectangular groove 808 on a side facing the repair mechanism fixing strip 803, the rectangular groove 808 being in sliding engagement with an end portion of the repair mechanism fixing strip 803.
The application method of the cavitation repairing device for the water turbine unit based on the energy storage power station comprises the following steps of:
s1, in an initial state, the electric push rods 6 at the bottoms of the side plates 3 and the supporting plates 4 are pushed outwards, then the inner wall of the detached runner chamber 5 is upwards placed on the supporting seat 2, the limiting blocks 201 are matched with grooves on the outer wall of the runner chamber 5 of the water turbine unit, and the two limiting snap rings 202 are respectively clamped with the inner sides of the two outer side edges of the runner chamber 5 to prevent the runner chamber 5 from sliding;
s2, the electric push rods 6 at the bottoms of the side plates 3 and the supporting plates 4 retract inwards to drive the side plates 3 and the supporting plates 4 to be close to the rotating wheel chamber 5, the end parts of the repairing mechanism fixing strips 803 on the side plates 3 are clamped with the rectangular grooves 808 on the supporting plates 4, the repairing mechanism fixing strips 803 can drive the second sliding shafts 807 to rotate together, the repairing mechanism fixing strips 803 are positioned at the upper end positions of the rotating wheel chamber 5, firstly polishing the surfaces of the cavitation parts, the I-shaped sliding blocks 20 at the tops of the telescopic rods 12 slide to the positions required to be polished along the repairing mechanism fixing grooves 806, the transverse plates of the sliding blocks 20 are fixedly connected with the two sides of the repairing mechanism fixing grooves 806 through bolts, the sand blasting barrel of the rust removing sand blasting machine is placed in the fixing rings, the barrel is bound on the fixing rods of the barrel fixing frame 14 through iron wires or ropes and the like, the telescopic rods 12 can be adjusted according to the size of the actual rotating wheel chamber 5, the front ends of the barrel can be guaranteed to be processed to the surfaces of the cavitation parts, at the moment, the top surfaces of the fixing frames 14 are parallel to the top surfaces of the , namely the top surfaces of the sand blasting barrels are always perpendicular to the cut surfaces of the sand blasting barrels 5;
s3, starting a motor for driving the screw rod 1003 to rotate, wherein the screw rod 1003 drives the T-shaped slider 903 to move in the horizontal direction, the T-shaped slider 903 drives the slider to move, so that the rotary rod 8 is pulled to move horizontally along the limit groove 7, when a first limit groove 22 on the special-shaped turntable 801 contacts the cylindrical protruding block 21, the first limit groove 22 and the cylindrical protruding block 21 are clamped, and the rest limit grooves 22 and the cylindrical protruding block 21 are respectively clamped, so that the rotary rod 8 is turned over for 180 degrees, and the inner wall of the rotary wheel chamber 5 can be comprehensively polished;
s4, after finishing polishing, filling special priming paint into the feed pipe 17 of the brushing barrel 15, at the moment, starting a motor 23 on the side wall of the -shaped frame 13 to drive the gun barrel fixing frame 14 to incline to one side of the brushing barrel 15 by a certain angle, at the moment, forming a certain angle between the top surface of the gun barrel fixing frame 14 and the top surface of the -shaped frame 13, namely, the brushing barrel 15 approaches to the inner wall of the rotating wheel chamber 5, the bristles 18 of the brushing barrel 15 contact the inner wall of the rotating wheel chamber 5, the special priming paint flows out along small holes 19 on the outer wall of the brushing barrel 15, and the special priming paint is uniformly coated through rolling of the bristles 18 of the brushing barrel 15;
s5, filling a polymer material into a feed pipe 17 of the brushing barrel 15 according to the method of the step 4, smearing the polymer material, enabling bristles 18 to contact the inner wall of the rotating wheel chamber 5, ensuring that the paint and the polishing surface are in complete and effective contact, ensuring that cavitation pits are filled with the polymer material, and coating the polymer material to the surface of the viscous material slightly higher than the inner wall of the rotating wheel chamber 5;
s6, after the smearing is finished, curing by adopting a bulb, a heater or a natural air drying curing mode.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (1)
1. The cavitation repairing device for the water turbine unit for the energy storage power station is characterized by comprising a bottom plate (1), a supporting seat (2) arranged on the bottom plate (1), side plates (3) and supporting plates (4) arranged on two sides of the supporting seat (2), wherein a rotating mechanism is arranged on the side plates (3), and a repairing mechanism is arranged on one side of the rotating mechanism;
limiting blocks (201) matched with grooves on the outer wall of a runner chamber (5) of the water turbine unit are arranged on the supporting seat (2), limiting clamping rings (202) are arranged at two ends of each limiting block (201), and the two limiting clamping rings (202) are respectively clamped with the inner sides of the two outer side edges of the runner chamber (5); the side plate (3) is provided with a transverse limit groove (7), the rotating mechanism comprises a rotating rod (8), a sliding part driving the rotating rod (8) to move in the horizontal direction and a driving component driving the sliding part to move, one end of the rotating rod (8) is provided with a special-shaped rotary plate (801), one end of the special-shaped rotary plate (801) is provided with a first sliding shaft (802) which is in sliding fit with the limit groove (7), the other end of the special-shaped rotary plate (801) is provided with a repairing mechanism fixing strip (803), two limit rings (804) are arranged between the special-shaped rotary plate (801) and the repairing mechanism fixing strip (803), a connecting groove is formed between the two limit rings (804), the sliding part comprises a vertical rod (901), the bottom of the vertical rod (901) is fixedly provided with a connecting ring (902), the connecting ring (902) is in sliding connection with the connecting groove between the limit rings (804), and one side of the vertical rod (901) is fixedly provided with a T-shaped sliding block (903);
a limiting disc (805) is arranged at the end part of the first sliding shaft (802), and the diameters of the limiting disc (805) and the special-shaped rotary disc (801) are both larger than the height of the limiting groove (7);
the driving assembly comprises a guide rail (1001) fixedly arranged on the side surface of the side plate (3), a transverse T-shaped groove (1002) is formed in the guide rail (1001), a screw rod (1003) is arranged in the T-shaped groove (1002), two ends of the screw rod (1003) are respectively connected with two ends of the guide rail (1001) in a rotating mode, the middle of the T-shaped sliding block (903) is in threaded connection with the screw rod (1003), and the outer wall of the T-shaped sliding block (903) is in sliding fit with the T-shaped groove (1002);
a repair mechanism fixing groove (806) is formed in the middle of the repair mechanism fixing strip (803), and a plurality of evenly distributed threaded holes are formed in two sides of the repair mechanism fixing groove (806);
the repairing mechanism comprises a telescopic rod (12), a -shaped frame (13) arranged at the bottom of the telescopic rod (12), a gun tube fixing frame (14) arranged in the -shaped frame (13) and a brushing cylinder (15) arranged on one side of the gun tube fixing frame (14), wherein a plurality of fixing rods are fixedly arranged below the gun tube fixing frame (14), a fixing ring is fixedly arranged at the bottom of the fixing rods, a rotating shaft is arranged above the gun tube fixing frame (14), the rotating shaft of the gun tube fixing frame (14) is in rotating connection with the -shaped frame (13), a motor (23) is fixedly arranged on the side wall of the -shaped frame (13), and an output shaft of the motor (23) is in coaxial and fixed connection with the rotating shaft of the gun tube fixing frame (14);
a brushing cylinder fixing frame (16) is fixedly arranged on one side of the -shaped frame (13), rotating shafts are arranged at two ends of the brushing cylinder (15), the rotating shafts at two ends of the brushing cylinder (15) are respectively connected with the brushing cylinder fixing frame (16) in a rotating mode through bearings, an inner cavity is formed in the brushing cylinder (15), a feeding pipe (17) is fixedly arranged on one side of the rotating shaft of the brushing cylinder (15), the feeding pipe (17) is communicated with the inner cavity of the brushing cylinder (15), a sealing cover is connected at an inlet of the end portion of the feeding pipe (17) in a threaded mode, a plurality of evenly distributed bristles (18) are arranged on the outer wall of the brushing cylinder (15), and a plurality of rows of evenly distributed small holes (19) are formed in the outer wall of the brushing cylinder (15);
an I-shaped sliding block (20) is fixedly arranged at the top of the telescopic rod (12), a vertical plate of the sliding block (20) is in sliding fit with the repairing mechanism fixing groove (806), a plurality of threaded holes are formed in a transverse plate of the sliding block (20), and the transverse plate of the sliding block (20) is fixedly connected with two sides of the repairing mechanism fixing groove (806) through bolts;
three cylindrical protruding blocks (21) which are uniformly distributed are arranged on the side wall of the side plate (3) above the middle part of the limiting groove (7), three limiting grooves (22) are formed in the side edge of the special-shaped rotary table (801), the outer walls of the limiting grooves (22) between two adjacent limiting grooves (22) and at two ends are smooth circular arcs, and the three limiting grooves (22) are respectively in sliding fit with the three cylindrical protruding blocks (21);
the support plate (4) is provided with a transverse limit groove (7), the support plate (4) corresponds to the limit groove (7) on the side plate (3) in the horizontal direction, a second sliding shaft (807) is connected in the limit groove (7) of the support plate (4) in a sliding mode, two limit discs (805) are arranged at the end parts of the second sliding shaft (807), parts of the second sliding shaft (807) between the two limit discs (805) are in sliding fit with the limit groove (7), and the diameters of the two limit discs (805) are larger than the height of the limit groove (7);
a rectangular groove (808) is formed in one side, facing the repair mechanism fixing strip (803), of the second sliding shaft (807), and the rectangular groove (808) is in sliding fit with the end part of the repair mechanism fixing strip (803);
an electric push rod (6) is arranged between the bottoms of the side plates (3) and the supporting plate (4) and the side wall of the supporting seat (2), and the telescopic ends of the electric push rod (6) are fixedly connected with the side walls of the side plates (3) and the supporting plate (4) respectively;
the plate surface of the side plate (3) is perpendicular to the axial direction of the rotating wheel chamber (5);
the application method of the cavitation repairing device for the water turbine unit based on the energy storage power station comprises the following steps of:
s1, in an initial state, the side plates (3) and the electric push rods (6) at the bottoms of the supporting plates (4) are pushed outwards, then the inner wall of the detached runner chamber (5) is upwards placed on the supporting seat (2), the limiting blocks (201) are matched with grooves on the outer wall of the runner chamber (5) of the water turbine unit, and the two limiting snap rings (202) are respectively clamped with the inner sides of the two outer sides of the runner chamber (5) to prevent the runner chamber (5) from sliding;
s2, the side plates (3) and the electric push rods (6) at the bottoms of the supporting plates (4) retract inwards to drive the side plates (3) and the supporting plates (4) to be close to the rotating wheel chamber (5), the ends of the repairing mechanism fixing strips (803) on the side plates (3) are clamped with the rectangular grooves (808) on the supporting plates (4), the second sliding shafts (807) can be driven to rotate by the rotating repairing mechanism fixing strips (803), the repairing mechanism fixing strips (803) are positioned at the upper end positions of the rotating wheel chamber (5), firstly polishing the surface of a cavitation part, the I-shaped sliding blocks (20) at the tops of the telescopic rods (12) slide to the position required to be polished along the repairing mechanism fixing grooves (806), the transverse plates of the sliding blocks (20) are fixedly connected with the two sides of the repairing mechanism fixing grooves (806) through bolts, sand blasting of a rust removing sand blasting machine is placed in the fixing rings, sand blasting gun barrels are bound on the fixing rods of the fixing frames (14) through iron wires or ropes and the like, the telescopic rods (12) can be adjusted according to the size of the actual rotating wheel chamber (5), and the front end of the sand blasting can be guaranteed to be always perpendicular to the top surface of the rotating wheel chamber (13) of the rotating wheel chamber (14), namely the top surface of the sand blasting machine is perpendicular to the top surface of the rotating wheel (3813 of the gun barrel (13) of the gun barrel;
s3, starting a motor for driving the screw rod (1003) to rotate, wherein the screw rod (1003) drives the T-shaped sliding block (903) to move in the horizontal direction, the T-shaped sliding block (903) drives the sliding piece to move, so that the rotating rod (8) is pulled to move horizontally along the limiting groove (7), when a first limiting groove (22) on the special-shaped turntable (801) contacts the cylindrical protruding block (21), the remaining limiting grooves (22) and the cylindrical protruding block (21) are respectively clamped, so that the rotating rod (8) is turned over by 180 degrees, and the inner wall of the rotating wheel chamber (5) can be comprehensively polished;
s4, after finishing polishing, special priming paint can be poured into a feed pipe (17) of the brushing cylinder (15), at the moment, a motor (23) on the side wall of the -shaped frame (13) is started to drive a gun barrel fixing frame (14) to incline to one side of the brushing cylinder (15) by a certain angle, at the moment, the top surface of the gun barrel fixing frame (14) and the top surface of the -shaped frame (13) form a certain angle, namely, the brushing cylinder (15) approaches to the inner wall of the rotating wheel chamber (5), bristles (18) of the brushing cylinder (15) contact with the inner wall of the rotating wheel chamber (5), the special priming paint flows out along small holes (19) on the outer wall of the brushing cylinder (15), and the special priming paint is uniformly coated through rolling of the bristles (18) of the brushing cylinder (15);
s5, filling a polymer material into a feed pipe (17) of a brushing cylinder (15) according to the method of the step 4, smearing the polymer material, enabling bristles (18) to contact the inner wall of the rotating wheel chamber (5), ensuring that the paint and a polishing surface are completely and effectively contacted, ensuring that cavitation pits are filled with the polymer material, and coating the polymer material to the surface of the viscous material slightly higher than the inner wall of the rotating wheel chamber (5);
s6, after the smearing is finished, curing by adopting a bulb, a heater or a natural air drying curing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111362900.7A CN113977461B (en) | 2021-11-17 | 2021-11-17 | Cavitation repairing device for water turbine unit of energy storage power station and use method of cavitation repairing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111362900.7A CN113977461B (en) | 2021-11-17 | 2021-11-17 | Cavitation repairing device for water turbine unit of energy storage power station and use method of cavitation repairing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113977461A CN113977461A (en) | 2022-01-28 |
| CN113977461B true CN113977461B (en) | 2023-08-29 |
Family
ID=79749095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111362900.7A Active CN113977461B (en) | 2021-11-17 | 2021-11-17 | Cavitation repairing device for water turbine unit of energy storage power station and use method of cavitation repairing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113977461B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2023694A1 (en) * | 1989-08-22 | 1991-02-23 | Benny Ray Porter | Method and apparatus for hydraulic turbine repair |
| KR20180050899A (en) * | 2016-11-07 | 2018-05-16 | 삼성중공업 주식회사 | Apparatus for peeing paint |
| CN108636677A (en) * | 2018-07-17 | 2018-10-12 | 青岛恒林机械有限公司 | A kind of steel pipe bundle ball blast spray painting drying integral machine |
| CN110587397A (en) * | 2019-09-18 | 2019-12-20 | 合肥集知匠心科技发展有限公司 | Automobile hub local correction repair optimization method |
| CN210147666U (en) * | 2019-04-02 | 2020-03-17 | 南通怡达运动用品有限公司 | Combined multifunctional intelligent environment-friendly spraying line for personalized comprehensive fitness training equipment |
| CN111604754A (en) * | 2020-06-23 | 2020-09-01 | 韩军奇 | Working method of three-face-fit self-propelled H-shaped steel welding bead floating repair device |
| CN111618694A (en) * | 2020-06-23 | 2020-09-04 | 韩军奇 | Floating repair device for three-face-fit self-propelled H-shaped steel welding bead |
| CN112059460A (en) * | 2020-09-19 | 2020-12-11 | 安徽鼎恒再制造产业技术研究院有限公司 | Spray welding system and method for repairing rail vehicle wheel set based on spray welding technology |
| CN212444506U (en) * | 2020-09-08 | 2021-02-02 | 福建工友机械有限公司 | Weld joint surface repairing device for production and processing of intermediate frequency furnace |
| CN113084600A (en) * | 2021-04-08 | 2021-07-09 | 陈晨阳 | Surface rust removal method for high-strength steel plate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201200293A (en) * | 2010-06-24 | 2012-01-01 | Hon Hai Prec Ind Co Ltd | Polishing device |
-
2021
- 2021-11-17 CN CN202111362900.7A patent/CN113977461B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2023694A1 (en) * | 1989-08-22 | 1991-02-23 | Benny Ray Porter | Method and apparatus for hydraulic turbine repair |
| KR20180050899A (en) * | 2016-11-07 | 2018-05-16 | 삼성중공업 주식회사 | Apparatus for peeing paint |
| CN108636677A (en) * | 2018-07-17 | 2018-10-12 | 青岛恒林机械有限公司 | A kind of steel pipe bundle ball blast spray painting drying integral machine |
| CN210147666U (en) * | 2019-04-02 | 2020-03-17 | 南通怡达运动用品有限公司 | Combined multifunctional intelligent environment-friendly spraying line for personalized comprehensive fitness training equipment |
| CN110587397A (en) * | 2019-09-18 | 2019-12-20 | 合肥集知匠心科技发展有限公司 | Automobile hub local correction repair optimization method |
| CN111604754A (en) * | 2020-06-23 | 2020-09-01 | 韩军奇 | Working method of three-face-fit self-propelled H-shaped steel welding bead floating repair device |
| CN111618694A (en) * | 2020-06-23 | 2020-09-04 | 韩军奇 | Floating repair device for three-face-fit self-propelled H-shaped steel welding bead |
| CN212444506U (en) * | 2020-09-08 | 2021-02-02 | 福建工友机械有限公司 | Weld joint surface repairing device for production and processing of intermediate frequency furnace |
| CN112059460A (en) * | 2020-09-19 | 2020-12-11 | 安徽鼎恒再制造产业技术研究院有限公司 | Spray welding system and method for repairing rail vehicle wheel set based on spray welding technology |
| CN113084600A (en) * | 2021-04-08 | 2021-07-09 | 陈晨阳 | Surface rust removal method for high-strength steel plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113977461A (en) | 2022-01-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107649755B (en) | High-speed arc discharge grinding composite processing method | |
| CN112007797A (en) | Automatic coating equipment for workpiece machining and coating method thereof | |
| CN212263648U (en) | Building materials pipeline outer wall spraying device | |
| CN113977461B (en) | Cavitation repairing device for water turbine unit of energy storage power station and use method of cavitation repairing device | |
| CN113199406B (en) | Machining device and process for deburring copper-tungsten alloy contact fluid | |
| CN117066983B (en) | Core shaft grinding machine for submerged halogen pump | |
| CN113858025A (en) | Hub polishing machine and using method thereof | |
| CN209793426U (en) | Surface polishing machine for processing drainage cast iron pipe | |
| CN216126929U (en) | Grinding equipment is used in vertical bearing processing | |
| CN215940365U (en) | Storage tank container anticorrosion repair structure | |
| CN114833052A (en) | Construction process of anticorrosive heat-insulating coating | |
| CN211053296U (en) | Automatic polishing equipment | |
| CN112725611A (en) | Automatic heat treatment system for manufacturing deformed steel bar | |
| CN220944426U (en) | Polishing device for multi-specification cutters | |
| CN214390747U (en) | Metal sheet priming paint spraying apparatus | |
| CN114921842B (en) | Device and method for polishing inner wall of large rotary part through plasma electrolysis | |
| CN213498186U (en) | Semi-automatic chamfering machine for thrust plate production | |
| CN220678269U (en) | Corrosion-resistant treatment device for alloy product surface | |
| CN219881475U (en) | Deburring chamfering machine | |
| CN213004629U (en) | Polishing fire head for production and processing of electric light source lamp | |
| CN112963529B (en) | Wear-resistant breaking hammer piston and machining equipment thereof | |
| CN215547930U (en) | Rotating disc type numerical control full-automatic sand blasting machine | |
| CN216883656U (en) | Speed reducer rapid Assembly frock | |
| CN115672588B (en) | Silicon carbide powder spraying production line and spraying method | |
| CN214322760U (en) | Polishing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |