CN113977461A - Cavitation repair device for water turbine set for energy storage power station and use method of cavitation repair device - Google Patents
Cavitation repair device for water turbine set for energy storage power station and use method of cavitation repair device Download PDFInfo
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- CN113977461A CN113977461A CN202111362900.7A CN202111362900A CN113977461A CN 113977461 A CN113977461 A CN 113977461A CN 202111362900 A CN202111362900 A CN 202111362900A CN 113977461 A CN113977461 A CN 113977461A
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- 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
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- 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
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- 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
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- 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
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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)
- Mechanical Engineering (AREA)
- Hydraulic Turbines (AREA)
Abstract
The invention discloses a hydraulic turbine unit cavitation repairing device for an energy storage power station and a using method thereof, and relates to the technical field of hydraulic turbine unit cavitation repairing. The invention has the beneficial effects that: the sandblasting gun barrel fixed by the repair mechanism is driven to overturn and move through overturning and moving of the repair mechanism fixing strip, the surface of the cavitation part is polished at first, then the gun barrel fixing frame is rotated, bristles of the painting barrel are made to contact with the inner wall of the runner chamber, special primer is coated on the surface of the cavitation hole and filled with high polymer materials, construction of complex processes such as air gouging and welding is avoided, 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 hydraulic turbine unit cavitation repair, in particular to a hydraulic turbine unit cavitation repair device for an energy storage power station and a using method thereof.
Background
When a turbine runner chamber unit of a through-flow turbine for an energy storage power station runs at a high water head for a long time, a large amount of bubbles appear in tail water, when water flows in a turbine runner and passes through a region with a pressure lower than a vaporization pressure, the water flowing through a blade gap is vaporized and boiled to generate bubbles and generate local impact pressure, so that the metal surface is subjected to repeated impact load, the material of the runner chamber is damaged, metal crystals are cavitated and fall off, and large-area cavitation pits appear on 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 designed water head in the actual operation process, so that the cavitation phenomenon of the unit is aggravated, the mechanical strength of the runner chamber is reduced, meanwhile, the roughness of a unit overflowing part is further increased, the 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 complex processes such as air gouging, welding and the like, the turbine runner chamber is overhauled, the runner chamber is disassembled firstly, the cavitation condition of the runner chamber is observed, the first step is to polish the surface and gouge the cavitation layer, the generally adopted tool is a carbon arc cavitation gouging polishing machine, the surface cleaning treatment is carried out after polishing, the second step is to brush special primer, the manual brushing is generally carried out by a brush, the cavitation part is completely smeared, then the most important work is to blend polymer material, the material is smeared on the cavitation part, the used tool is to scrape and coat the material along the reference surface according to an arc template ruler processed by the runner chamber until the cavitation part is completely covered, the repair is successful after the material is cured, because the volume of the runner chamber part is larger and the shape of the cavitation part is irregular, the labor intensity of the maintenance construction is large, and a large amount of maintenance funds are needed.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides a water turbine set cavitation repair device for an energy storage power station and a method for using the same.
The technical scheme is that the device comprises a bottom plate, a supporting seat arranged on the bottom plate, side plates arranged on two sides of the supporting seat and a supporting plate, wherein a rotating mechanism is arranged on each side plate, and a repairing mechanism is arranged on one side of each rotating mechanism;
the supporting seat is provided with a limiting block matched with a groove on the outer wall of a runner chamber of the hydraulic turbine unit, two ends of the limiting block are provided with limiting snap rings, and the two limiting snap rings are respectively clamped with the inner parts of two outer side edges of the runner chamber; the side plate is provided with a transverse limiting groove, the rotating mechanism comprises a rotating rod, a sliding part and a driving assembly, the sliding part drives the rotating rod to move in the horizontal direction, the driving assembly drives the sliding part to move, one end of the rotating rod is provided with a special-shaped turntable, one end of the special-shaped turntable is provided with a first sliding shaft in sliding fit with the limiting groove, the other end of the special-shaped turntable is provided with a repairing mechanism fixing strip, two limiting rings are arranged between the special-shaped turntable and the repairing mechanism fixing strip, a connecting groove is formed between the two limiting 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 limiting rings, and a T-shaped sliding block is fixedly arranged on one side of the vertical rod, which faces the side plate;
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 lead screw is arranged in the T-shaped groove, two ends of the lead screw are respectively rotatably connected with two ends of the guide rail, the middle of the T-shaped sliding block is in threaded connection with the lead screw, and the outer wall of the T-shaped sliding block is in sliding fit with the T-shaped groove.
The middle part of repair body fixed strip has seted up the repair body fixed slot, the screw hole of a plurality of evenly distributed is all seted up to the both sides of repair body fixed slot.
The repairing mechanism comprises a telescopic rod, an Jiong-shaped frame arranged at the bottom of the telescopic rod, a 20866-shaped barrel fixing frame arranged in the frame and a painting barrel arranged on one side of the barrel fixing frame, wherein a plurality of fixing rods are fixedly arranged below the barrel fixing frame, fixing rings are fixedly arranged at the bottoms of the fixing rods, a rotating shaft is arranged above the barrel fixing frame, the rotating shaft of the barrel fixing frame is rotatably connected with the Jiong-shaped frame, a motor is fixedly arranged on the side wall of the Jiong-shaped frame, and an output shaft of the motor is coaxially and fixedly connected with the rotating shaft of the barrel fixing frame;
jiong one side of shape frame is fixed to be provided with scribbles a brush section of thick bamboo mount, the both ends of scribbling a brush section of thick bamboo are provided with the pivot, the pivot of scribbling a brush section of thick bamboo both ends respectively through the bearing with a brush section of thick bamboo mount rotates to be connected, scribble a brush section of thick bamboo and be provided with the inner chamber, scribble a brush section of thick bamboo one side pivot fixedly on be provided with the inlet pipe, the inlet pipe with scribble the inner chamber intercommunication of a brush section of thick bamboo, the tip import department threaded connection of inlet pipe has sealed lid, be provided with a plurality of evenly distributed's brush hair on scribbling a brush section of thick bamboo's the outer wall, still set up a plurality of rows of evenly distributed's aperture on scribbling a brush section of thick bamboo's the outer wall. 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 through an iron wire or a rope and the like; the telescopic link chooses the electric telescopic link for use.
The fixed sliding block that is provided with the I-shaped in top of telescopic link, the riser of sliding block with repair body 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 the bolt fixed connection is passed through to the both sides of repair body fixed slot.
The side plate is characterized in that three cylindrical lugs are uniformly distributed 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 turntable, the outer walls of the limiting grooves between two adjacent limiting grooves and at two ends of the special-shaped turntable are both in a smooth arc shape, and the three limiting grooves are respectively in sliding fit with the three cylindrical lugs.
Electric push rods are arranged between the bottom of the side plate and the bottom of the supporting plate and the side wall of the supporting seat, and the telescopic ends of the electric push rods are fixedly connected with the side plate and the side wall of the supporting plate respectively.
The surface of the side plate is perpendicular to the axial direction of the runner chamber.
A transverse limiting groove is formed in the supporting plate, the supporting plate corresponds to the limiting groove in the side plate in the horizontal direction, a second sliding shaft is connected in the limiting groove of the supporting plate in a sliding mode, two limiting discs are arranged at the end portion of the second sliding shaft, the portion, between the two limiting discs, of the second sliding shaft is in sliding fit with the limiting groove, and the diameters of the two limiting discs are larger than the height of the limiting groove;
one side of the second sliding shaft facing the repair mechanism fixing strip is provided with a rectangular groove, and the rectangular groove is in sliding fit with the end part of the repair mechanism fixing strip.
The use method of the cavitation repair device based on the hydraulic turbine set for the energy storage power station comprises the following steps:
s1, in an initial state, electric push rods at the bottoms of the side plates and the supporting plate are pushed outwards, then the inner wall of the disassembled runner chamber is placed on the supporting seat upwards, the limiting blocks are matched with grooves in the outer wall of the runner chamber of the hydraulic turbine unit, and the two limiting clamp rings are respectively clamped with the inner parts of the two outer side edges of the runner chamber to prevent the runner chamber from sliding;
s2, electric push rods at the bottoms of the side plates and the support plate are retracted inwards to drive the side plates and the support plate to be close to the runner chamber, the end parts of repair mechanism fixing strips on the side plates are clamped with a rectangular groove on the support plate, the repair mechanism fixing strips can drive a second sliding shaft to rotate when rotating, the repair mechanism fixing strips are positioned at the upper end of the runner chamber, firstly, the surface of a cavitation part is polished, an I-shaped sliding block at the top of a telescopic rod slides to a position to be polished along the repair mechanism fixing groove, a transverse plate of the sliding block is fixedly connected with the two sides of the repair mechanism fixing groove through bolts, a barrel of a sand blasting machine is placed in a fixing ring, a steel wire or a rope and the like for the sand blasting gun is tied on a fixing rod of a barrel fixing frame, the telescopic rod can be adjusted according to the actual size of the runner chamber, and the front end of the barrel of the sand blasting machine can be ensured to be processed on the surface of the cavitation part, at the moment, the top surface of the gun barrel fixing frame is parallel to the top surface of the Jiong-shaped frame, namely, the nozzle of the sand blasting gun barrel is always vertical to the tangent plane of the inner wall of the rotating wheel chamber;
s3, starting a motor for driving a screw rod to rotate, driving a T-shaped sliding block to move in the horizontal direction by the screw rod, driving a sliding piece to move by the T-shaped sliding block, pulling a rotary rod to move horizontally along a limiting groove, clamping when a first limiting groove on a special-shaped rotary disc is contacted with a cylindrical bump, and respectively clamping the remaining limiting groove and the cylindrical bump, so that the rotary rod is turned over for 180 degrees, and the inner wall of a runner chamber can be comprehensively polished;
s4, after polishing, pouring special primer into a feeding pipe of the painting cylinder, starting a motor on the side wall of the Jiong-shaped frame to drive the gun barrel fixing frame to incline to one side of the painting cylinder by a certain angle, forming a certain angle between the top surface of the gun barrel fixing frame and the top surface of the Jiong-shaped frame, enabling the painting cylinder to approach the inner wall of the runner chamber, enabling bristles of the painting cylinder to contact the inner wall of the runner chamber, enabling the special primer to flow out along small holes in the outer wall of the painting cylinder, and uniformly painting the special primer through the rolling of the bristles of the painting cylinder;
s5, pouring a polymer material into the feeding pipe of the brushing barrel according to the method in the step 4, brushing the polymer material, ensuring that the brush hairs are contacted with the inner wall of the runner chamber, ensuring that the paint is completely and effectively contacted with the polished surface, ensuring that the cavitation pits are filled with the polymer material, and coating the polymer material until the viscous material is slightly higher than the surface of the inner wall of the runner chamber;
and S6, curing by using a bulb, a heater or a natural air drying curing mode after finishing the coating.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: the utility model provides a hydraulic turbine unit cavitation erosion prosthetic devices for energy storage power station and application method thereof, the upset through repair body fixed strip is removed and is driven the fixed sandblast barrel upset of repair body and move, at first polish the surface at cavitation position, then rotate the barrel mount, make the brush hair of painting a section of thick bamboo contact the runner indoor wall, brush special priming paint with a brush and then fill up with macromolecular material to cavitation hole surface, the construction of complicated technologies such as air gouging, welding has been avoided, the intensity of labour who overhauls the construction is reduced, a large amount of manpowers have been saved, a large amount of maintenance funds have also been saved.
Drawings
Fig. 1 is a first overall structural diagram of an embodiment of the present invention.
Fig. 2 is a partially enlarged view a of fig. 1.
Fig. 3 is a schematic overall structure diagram of the second embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a rotating rod according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a bottom plate and a supporting seat according to an embodiment of the 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 repair mechanism according to an embodiment of the present invention.
Wherein the reference numerals are: 1. a base plate; 2. a supporting seat; 201. a limiting block; 202. a limit snap ring; 3. a side plate; 4. a support plate; 5. a runner chamber; 6. an electric push rod; 7. a limiting groove; 8. rotating the rod; 801. a special-shaped turntable; 802. a first sliding shaft; 803. repairing the mechanism fixing strip; 804. a limiting ring; 805. a limiting disc; 806. repairing the mechanism fixing groove; 807. a second sliding shaft; 808. a rectangular groove; 901. a vertical rod; 902. a connecting ring; 903. a T-shaped sliding block; 1001. a guide rail; 1002. a T-shaped groove; 1003. a screw rod; 12. a telescopic rod; 13. jiong form rack; 14. a barrel mount; 15. a brushing cylinder; 16. brushing a cylinder fixing frame; 17. a feed pipe; 18. brushing; 19. a small hole; 20. a slider; 21. a cylindrical projection; 22. a limiting groove; 23. an electric motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected 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 through specific situations.
Example 1
Referring to fig. 1 to 7, the invention provides a water turbine set cavitation repair device for an energy storage power station and a use method thereof, the water turbine set cavitation repair device comprises a bottom plate 1, a support seat 2 arranged on the bottom plate 1, a side plate 3 and a support plate 4 arranged on two sides of the support seat 2, wherein a rotating mechanism is arranged on the side plate 3, and a repair mechanism is arranged on one side of the rotating mechanism;
the supporting seat 2 is provided with a limiting block 201 matched with a groove on the outer wall of the runner chamber 5 of the hydraulic turbine set, two ends of the limiting block 201 are provided with limiting snap rings 202, and the two limiting snap rings 202 are respectively clamped with the inner parts of two outer side edges of the runner chamber 5; a transverse limiting groove 7 is formed in the side plate 3, the rotating mechanism comprises a rotating rod 8, a sliding part and a driving assembly, the sliding part drives the rotating rod 8 to move in the horizontal direction, the driving assembly drives the sliding part to move, a special-shaped rotating disc 801 is arranged at one end of the rotating rod 8, a first sliding shaft 802 in sliding fit with the limiting groove 7 is arranged at one end of the special-shaped rotating disc 801, a repairing mechanism fixing strip 803 is arranged at the other end of the special-shaped rotating disc 801, two limiting rings 804 are arranged between the special-shaped rotating disc 801 and the repairing mechanism fixing strip 803, a connecting groove is formed between the two limiting rings 804, the sliding part comprises a vertical rod 901, a connecting ring 902 is fixedly arranged at the bottom of the vertical rod 901, the connecting groove between the connecting ring 902 and the limiting rings 804 is in sliding connection, and a T-shaped sliding block 903 is fixedly arranged on one side, facing the side plate 3, of the vertical rod 901;
the end of the first sliding shaft 802 is provided with a limiting disc 805, and the diameters of the limiting disc 805 and the special-shaped rotating 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 face of the side plate 3, a transverse T-shaped groove 1002 is formed in the guide rail 1001, a lead screw 1003 is arranged in the T-shaped groove 1002, two ends of the lead screw 1003 are respectively connected with two ends of the guide rail 1001 in a rotating mode, the middle of a T-shaped sliding block 903 is connected with the lead screw 1003 in a threaded mode, and the outer wall of the T-shaped sliding block 903 is in sliding fit with the T-shaped groove 1002.
Repair body fixed slot 806 has been seted up at the middle part of repair body fixed strip 803, and a plurality of evenly distributed's screw hole has all been seted up to repair body fixed slot 806's both sides.
The repairing mechanism comprises a telescopic rod 12, an Jiong-shaped frame 13 arranged at the bottom of the telescopic rod 12, and a 20866arranged at the bottom of the telescopic rod, a gun barrel fixing frame 14 arranged in the frame 13, and a painting barrel 15 arranged at one side of the gun barrel fixing frame 14, wherein a plurality of fixing rods are fixedly arranged below the gun barrel fixing frame 14, fixing rings are fixedly arranged at the bottoms of the fixing rods, a rotating shaft is arranged above the gun barrel fixing frame 14, the rotating shaft of the gun barrel fixing frame 14 is rotatably connected with the Jiong-shaped frame 13, a motor 23 is fixedly arranged on the side wall of the Jiong-shaped frame 13, and an output shaft of the motor 23 is coaxially and fixedly connected with the rotating shaft of the gun barrel fixing frame 14;
jiong one side of the shape frame 13 is fixed with scribbles brush section of thick bamboo mount 16, scribble the both ends of brush section of thick bamboo 15 and be provided with the pivot, scribble the pivot at the both ends of brush section of thick bamboo 15 and scribble a brush section of thick bamboo 16 and rotate and be connected through bearing and brush section of thick bamboo 16 respectively, it is provided with the inner chamber to scribble the brush section of thick bamboo 15, it is fixed on the pivot of a brush section of thick bamboo 15 one side and is provided with inlet pipe 17 to scribble, inlet pipe 17 communicates with the inner chamber of a brush section of thick bamboo 15, the threaded connection of tip import department of inlet pipe 17 has sealed lid, be provided with a plurality of evenly distributed brush hair 18 on the outer wall of a brush section of thick bamboo 15, still set up a plurality of rows of evenly distributed aperture 19 on the outer wall of a brush section of thick bamboo 15. The gun barrel fixing frame 14 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 through an iron wire or a rope and the like; the telescopic rod 12 is an electric telescopic rod.
The fixed sliding block 20 that is provided with the I-shaped in top of telescopic link 12, sliding block 20's riser and repair body fixed slot 806 sliding fit have seted up a plurality of screw hole on sliding block 20's the diaphragm, and sliding block 20's diaphragm passes through bolt fixed connection with repair body fixed slot 806's both sides.
Be provided with evenly distributed's three cylindrical lug 21 on the curb plate 3 lateral wall of spacing groove 7 middle part top, seted up three spacing recess 22 on the side of dysmorphism carousel 801, between two adjacent spacing recesses 22 and the spacing recess 22 outer wall at both ends all sets up to level and smooth arc, three spacing recess 22 respectively with three cylindrical lug 21 sliding fit.
All be provided with electric putter 6 between the bottom of curb plate 3 and backup pad 4 and the lateral wall of supporting seat 2, electric putter 6's flexible end respectively with curb plate 3 and backup pad 4's lateral wall fixed connection.
The plate surface of the side plate 3 is perpendicular to the axial direction of the runner chamber 5.
A transverse limiting groove 7 is formed in the supporting plate 4, the limiting grooves 7 in the supporting plate 4 and the side plate 3 correspond to each other in the horizontal direction, a second sliding shaft 807 is connected in the limiting groove 7 of the supporting plate 4 in a sliding mode, two limiting discs 805 are arranged at the end portion of the second sliding shaft 807, the portion, between the two limiting discs 805, of the second sliding shaft 807 is in sliding fit with the limiting groove 7, and the diameters of the two limiting discs 805 are larger than the height of the limiting groove 7;
one side of the second sliding shaft 807 facing the repair mechanism fixing strip 803 is provided with a rectangular groove 808, and the rectangular groove 808 is in sliding fit with the end of the repair mechanism fixing strip 803.
The use method of the cavitation repair device based on the hydraulic turbine set for the energy storage power station comprises the following steps:
s1, in an initial state, the electric push rods 6 at the bottoms of the side plates 3 and the supporting plate 4 are pushed outwards, then the inner wall of the disassembled runner chamber 5 is placed on the supporting seat 2 upwards, the limiting block 201 is matched with a groove in the outer wall of the runner chamber 5 of the hydraulic turbine set, and the two limiting snap rings 202 are respectively clamped with the inner parts of the two outer side edges of the runner chamber 5 to prevent the runner chamber 5 from sliding;
s2, the electric push rod 6 at the bottom of the side plate 3 and the support plate 4 retracts inwards to drive the side plate 3 and the support plate 4 to be close to the runner chamber 5, the end part of a repair mechanism fixing strip 803 on the side plate 3 is clamped with a rectangular groove 808 on the support plate 4, the repair mechanism fixing strip 803 rotates to drive a second sliding shaft 807 to rotate together, the repair mechanism fixing strip 803 is positioned at the upper end position of the runner chamber 5, firstly, the surface of a cavitation part is polished, an I-shaped sliding block 20 at the top of the telescopic rod 12 slides to a position needing polishing along the repair mechanism fixing groove 806, a transverse plate of the sliding block 20 is fixedly connected with two sides of the repair mechanism fixing groove 806 through bolts, a sand blasting gun barrel of a rust removing sand blasting machine is placed in the fixing ring, the sand blasting gun barrel is tied on the fixing rod of the gun barrel 14 through a wire or a rope and the like, the telescopic rod 12 can be adjusted according to the actual size of the runner chamber 5, the front end of the sand blasting gun tube can be ensured to be processed to the surface of a cavitation part, at the moment, the top surface of the gun tube fixing frame 14 is parallel to the top surface of the Jiong-shaped frame 13, namely, the nozzle of the sand blasting gun tube is always vertical to the tangent plane of the inner wall of the runner chamber 5;
s3, starting a motor for driving a screw rod 1003 to rotate, driving a T-shaped sliding block 903 to move in the horizontal direction by the screw rod 1003, driving a sliding piece 903 to move by the T-shaped sliding block 903, so that a rotating rod 8 is pulled to move horizontally along a limiting groove 7, when a first limiting groove 22 on a special-shaped turntable 801 is contacted with a cylindrical bump 21, the first limiting groove 22 is clamped, the remaining limiting grooves 22 and the remaining cylindrical bumps 21 are respectively clamped, so that the rotating rod 8 is turned over for 180 degrees, and the inner wall of a runner chamber 5 can be comprehensively polished;
s4, after polishing, pouring special primer into the feeding pipe 17 of the painting cylinder 15, starting the motor 23 on the side wall of the Jiong-shaped frame 13 at the moment, driving the barrel fixing frame 14 to incline to one side of the painting cylinder 15 by a certain angle, forming a certain angle between the top surface of the barrel fixing frame 14 and the top surface of the Jiong-shaped frame 13 at the moment, namely, the painting cylinder 15 approaches to the inner wall of the runner chamber 5, enabling the bristles 18 of the painting cylinder 15 to contact the inner wall of the runner chamber 5, enabling the special primer to flow out along the small holes 19 in the outer wall of the painting cylinder 15, and uniformly painting the special primer through the rolling of the bristles 18 of the painting cylinder 15;
s5, pouring a polymer material into the feeding pipe 17 of the brushing barrel 15 according to the method in the step 4, brushing the polymer material, and ensuring that the brush bristles 18 contact the inner wall of the runner chamber 5, so that the paint is completely and effectively contacted with the polished surface, the cavitation pits are filled with the polymer material, and the polymer material is coated until the viscous material is slightly higher than the surface of the inner wall of the runner chamber 5;
and S6, curing by using a bulb, a heater or a natural air drying curing mode after finishing the coating.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The cavitation repair device for the water turbine set 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 a supporting plate (4) which are arranged on two sides of the supporting seat (2), wherein a rotating mechanism is arranged on the side plates (3), and a repair mechanism is arranged on one side of the rotating mechanism;
the supporting seat (2) is provided with a limiting block (201) matched with a groove on the outer wall of a runner chamber (5) of the hydraulic turbine unit, two ends of the limiting block (201) are provided with limiting snap rings (202), and the two limiting snap rings (202) are respectively clamped with the inner parts of two outer side edges of the runner chamber (5); the side plate (3) is provided with a transverse limiting groove (7), the rotating mechanism comprises a rotating rod (8), a sliding part and a driving component, the sliding part drives the rotating rod (8) to move in the horizontal direction, the driving component drives the sliding part to move, one end of the rotating rod (8) is provided with a special-shaped turntable (801), one end of the special-shaped turntable (801) is provided with a first sliding shaft (802) in sliding fit with the limiting groove (7), the other end of the special-shaped turntable (801) is provided with a repair mechanism fixing strip (803), two limiting rings (804) are arranged between the special-shaped turntable (801) and the repair mechanism fixing strip (803), a connecting groove is formed between the two limiting 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), and the connecting groove between the connecting ring (902) and the limiting rings (804) is in sliding connection, a T-shaped sliding block (903) is fixedly arranged on one side, facing the side plate (3), of the vertical rod (901);
the end part of the first sliding shaft (802) is provided with a limiting disc (805), and the diameters of the limiting disc (805) and the special-shaped rotating disc (801) are both larger than the height of the limiting groove (7).
2. The cavitation repair device for the hydraulic turbine unit for the energy storage power station as claimed in claim 1, wherein 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 lead screw (1003) is arranged in the T-shaped groove (1002), two ends of the lead screw (1003) are rotatably connected with two ends of the guide rail (1001) respectively, the middle part of the T-shaped sliding block (903) is in threaded connection with the lead screw (1003), and the outer wall of the T-shaped sliding block (903) is in sliding fit with the T-shaped groove (1002).
3. The cavitation repair device for the water turbine unit for the energy storage power station as recited in claim 1, wherein a repair mechanism fixing groove (806) is formed in the middle of the repair mechanism fixing strip (803), and a plurality of threaded holes are uniformly distributed on both sides of the repair mechanism fixing groove (806).
4. The cavitation repair device for the water turbine set used for the energy storage power station as claimed in claim 3, wherein the repair mechanism comprises a telescopic rod (12), an Jiong-shaped frame (13) arranged at the bottom of the telescopic rod (12), a barrel fixing frame (14) arranged inside the 20866;, and a painting brush barrel (15) arranged at one side of the barrel fixing frame (14), wherein a plurality of fixing rods are fixedly arranged below the barrel fixing frame (14), fixing rings are fixedly arranged at the bottoms of the fixing rods, a rotating shaft is arranged above the barrel fixing frame (14), the rotating shaft of the barrel fixing frame (14) is rotatably connected with the Jiong-shaped frame (13), a motor (23) is fixedly arranged on the side wall of the Jiong-shaped frame (13), and an output shaft of the motor (23) is coaxially and fixedly connected with the rotating shaft of the barrel fixing frame (14);
jiong one side of shape frame (13) is fixed to be provided with and applies paint a brush a mount (16), the both ends of scribbling a brush section of thick bamboo (15) are provided with the pivot, the pivot of scribbling a brush section of thick bamboo (15) both ends respectively through the bearing with apply paint a brush a mount (16) and rotate and be connected, scribble a brush section of thick bamboo (15) and be provided with the inner chamber, scribble and fixedly on the pivot of a brush section of thick bamboo (15) one side and be provided with inlet pipe (17), inlet pipe (17) and the inner chamber intercommunication of applying a brush section of thick bamboo (15), the tip import department threaded connection of inlet pipe (17) has sealed lid, be provided with a plurality of evenly distributed's brush hair (18) on the outer wall of a brush section of thick bamboo (15), still set up a plurality of rows of evenly distributed's aperture (19) on the outer wall of a brush section of thick bamboo (15).
5. The cavitation repair device for the water turbine unit for the energy storage power station as claimed in claim 4, wherein 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 repair 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 repair mechanism fixing groove (806) through bolts.
6. The cavitation repair device for the water turbine unit for the energy storage power station as claimed in claim 1, wherein three cylindrical bumps (21) are uniformly distributed on the side wall of the side plate (3) above the middle of the limiting groove (7), three limiting grooves (22) are formed in the side edge of the special-shaped turntable (801), the outer walls of the limiting grooves (22) between two adjacent limiting grooves (22) and at two ends are both in the shape of a smooth arc, and the three limiting grooves (22) are respectively in sliding fit with the three cylindrical bumps (21).
7. The cavitation repair device for the water turbine unit for the energy storage power station as recited in claim 1, characterized in that electric push rods (6) are arranged between the bottom of the side plate (3) and the supporting plate (4) and the side wall of the supporting seat (2), and the telescopic ends of the electric push rods (6) are respectively fixedly connected with the side plate (3) and the side wall of the supporting plate (4).
8. The cavitation repair device for the hydraulic turbine unit for the energy storage power station as recited in claim 1, wherein the plate surface of the side plate (3) is arranged perpendicular to the axial direction of the runner chamber (5).
9. The cavitation repair device for the water turbine set for the energy storage power station as claimed in claim 1, characterized in that a transverse limiting groove (7) is formed in the supporting plate (4), the supporting plate (4) and the limiting groove (7) in the side plate (3) correspond to each other in the horizontal direction, a second sliding shaft (807) is connected in the limiting groove (7) of the supporting plate (4) in a sliding manner, two limiting discs (805) are arranged at the end of the second sliding shaft (807), the part of the second sliding shaft (807) between the two limiting discs (805) is in sliding fit with the limiting groove (7), and the diameters of the two limiting discs (805) are both greater than the height of the limiting groove (7);
one side, facing the repairing mechanism fixing strip (803), of the second sliding shaft (807) is provided with a rectangular groove (808), and the rectangular groove (808) is in sliding fit with the end part of the repairing mechanism fixing strip (803).
10. The use method of the cavitation repair device for the hydraulic turbine set for the energy storage power station is characterized by comprising the following steps:
s1, in an initial state, the electric push rods (6) at the bottoms of the side plates (3) and the supporting plate (4) are pushed away outwards, then the inner walls of the disassembled runner chambers (5) are placed on the supporting seat (2) upwards, the limiting blocks (201) are matched with grooves in the outer walls of the runner chambers (5) of the hydraulic turbine set, and the two limiting snap rings (202) are respectively clamped with the inner parts of the two outer side edges of the runner chambers (5) to prevent the runner chambers (5) from sliding;
s2, electric push rods (6) at the bottoms of the side plates (3) and the support plate (4) are all retracted inwards to drive the side plates (3) and the support plate (4) to be close to the runner chamber (5), the end parts of repair mechanism fixing strips (803) on the side plates (3) are clamped with rectangular grooves (808) on the support plate (4), the repair mechanism fixing strips (803) can drive a second sliding shaft (807) to rotate together when rotating, the repair mechanism fixing strips (803) are positioned at the upper end position of the runner chamber (5), firstly, the surface of a cavitation part is polished, an I-shaped sliding block (20) at the top of a telescopic rod (12) slides to a position required to be polished along the repair mechanism fixing grooves (806), the two sides of a transverse plate of the sliding block (20) and the transverse plate repair mechanism fixing grooves (806) are fixedly connected through bolts, a barrel of a rust removing sand blasting machine is placed in a fixing ring, the sand blasting gun tube is tied to a fixing rod of the gun tube fixing frame (14) through iron wires or ropes and the like, the telescopic rod (12) can be adjusted according to the size of the actual runner chamber (5), the front end of the sand blasting gun tube can be guaranteed to be capable of treating the surface of a cavitation part, at the moment, the top surface of the gun tube fixing frame (14) is parallel to the top surface of the Jiong-shaped frame (13), namely, a nozzle of the sand blasting gun tube is always perpendicular to the section of the inner wall of the runner chamber (5);
s3, then starting a motor for driving a screw rod (1003) to rotate, wherein the screw rod (1003) drives a T-shaped sliding block (903) to move upwards in the horizontal direction, the T-shaped sliding block (903) drives the sliding piece to move, so that a rotating rod (8) is pulled to horizontally move along a limiting groove (7), when a first limiting groove (22) on a special-shaped turntable (801) contacts a cylindrical bump (21), the first limiting groove is clamped, the remaining limiting grooves (22) and the cylindrical bump (21) are respectively clamped, so that the rotating rod (8) is turned over for 180 degrees, and the inner wall of a runner chamber (5) can be comprehensively polished;
s4, after polishing, pouring special primer into a feeding pipe (17) of the painting cylinder (15), starting a motor (23) on the side wall of the Jiong-shaped frame (13) to drive the gun barrel fixing frame (14) to incline to one side of the painting cylinder (15) by a certain angle, forming a certain angle between the top surface of the gun barrel fixing frame (14) and the top surface of the Jiong-shaped frame (13), namely, the painting cylinder (15) approaches to the inner wall of the runner chamber (5), enabling bristles (18) of the painting cylinder (15) to contact with the inner wall of the runner chamber (5), enabling the special primer to flow out along small holes (19) in the outer wall of the painting cylinder (15), and uniformly painting the special primer through rolling of the bristles (18) of the painting cylinder (15);
s5, pouring a polymer material into the feeding pipe (17) of the brushing barrel (15) according to the method in the step 4, smearing the polymer material, wherein the bristles (18) contact the inner wall of the runner chamber (5), so that the paint is completely and effectively contacted with a polished surface, the cavitation pits are filled with the polymer material, and the polymer material is coated on the inner wall surface of the runner chamber (5) until the sticky material is slightly higher than the inner wall surface of the runner chamber (5);
and S6, curing by using a bulb, a heater or a natural air drying curing mode after finishing the coating.
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| 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 |
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| 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 |
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Citations (11)
| 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 |
| US20110318998A1 (en) * | 2010-06-24 | 2011-12-29 | Hon Hai Precision Industry Co., Ltd. | Polishing device |
| 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 |
-
2021
- 2021-11-17 CN CN202111362900.7A patent/CN113977461B/en active Active
Patent Citations (11)
| 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 |
| US20110318998A1 (en) * | 2010-06-24 | 2011-12-29 | Hon Hai Precision Industry Co., Ltd. | Polishing device |
| 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 |
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| CN113977461B (en) | 2023-08-29 |
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