CN118996315B - Abrasion-resistant thermal spraying device for maintaining water pump and water turbine - Google Patents
Abrasion-resistant thermal spraying device for maintaining water pump and water turbine Download PDFInfo
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- CN118996315B CN118996315B CN202410918962.9A CN202410918962A CN118996315B CN 118996315 B CN118996315 B CN 118996315B CN 202410918962 A CN202410918962 A CN 202410918962A CN 118996315 B CN118996315 B CN 118996315B
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- abrasion
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 238000005299 abrasion Methods 0.000 title claims abstract description 25
- 238000007751 thermal spraying Methods 0.000 title claims description 26
- 238000005507 spraying Methods 0.000 claims abstract description 35
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 238000012423 maintenance Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 7
- 238000005485 electric heating Methods 0.000 claims description 4
- 238000000576 coating method Methods 0.000 abstract description 24
- 239000011248 coating agent Substances 0.000 abstract description 23
- 239000000843 powder Substances 0.000 abstract description 13
- 238000007747 plating Methods 0.000 abstract description 10
- 238000004140 cleaning Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008646 thermal stress Effects 0.000 abstract description 6
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 238000001035 drying Methods 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 238000007664 blowing Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of hot spraying powder plating, and particularly discloses an anti-abrasion hot spraying device for maintaining a water pump and a water turbine, which comprises a device seat, wherein a fixed ring frame is rotationally connected to the upper side of the device seat, a plurality of sliding seats are arranged on the surface of the fixed ring frame, connecting rods are rotationally connected to the upper side of the outer ends of the sliding seats, pressing blocks are rotationally connected to the front ends of the connecting rods, and sliding bar rods sliding forwards and backwards are arranged in the sliding seats. The fixed ring frame structure and the sliding seat enable the assembly process to be simpler and more convenient, impeller blades with different sizes can be quickly fixed through simple rotation, the fixation is ensured to be firm, the water cleaning and drying preheating system effectively cleans and pretreats the surfaces of the impellers or the blades, the adhesive force and the quality of a coating are ensured, the risk of thermal stress is reduced, and the position and the angle of a spraying head can be accurately adjusted by the quick adjusting mechanism so as to optimize the spraying parameters and improve the uniformity and the quality of the coating.
Description
Technical Field
The invention relates to the technical field of hot spraying powder plating, in particular to an anti-abrasion hot spraying device for maintaining a water pump and a water turbine.
Background
Water pumps are mainly used for transporting water or liquid, and water turbines are devices for converting kinetic energy of water into mechanical energy or electric energy, and in some hydraulic systems, water pumps are generally used for helping to improve efficiency of the water turbines or for hydraulic control. Water pumps and turbines are hydraulic devices and in everyday operating environments often contain particulate matter such as sand, earth or other solid particles that can cause wear to metal surfaces, and water pumps often operate in environments containing corrosive media such as salt water, chemical solutions, etc., impellers may also be exposed to corrosive gases at high temperatures and pressures, and when the impellers and pumps are operated at high speeds, blades and impellers are exposed to high temperature and high speed airflow impacts that can exacerbate surface wear and thermal stresses, all of which can cause greater wear to the water pump impellers and impeller blade surfaces.
Therefore, the method is particularly necessary for daily maintenance of the surfaces of the water pump and the water turbine so as to ensure long-term efficient operation and loss reduction, the thermal spraying powder coating is an efficient surface treatment coating technology, combines the characteristics of thermal spraying and powder coating, is used for improving the wear resistance, corrosion resistance and mechanical property of the surfaces of the workpiece, and can enable the surfaces of the water pump and the turbine to be smoother and firmer, reduce friction loss and improve energy efficiency.
However, due to impeller and blade shape specifications, there are problems in thermal spray repair of the same, such as:
Because the impeller and the vane have complex shapes, in order to ensure that uniform and high-quality coatings are formed on the surfaces of the impeller and the vane, the control requirements on the nozzle distance, the nozzle angle and the like are higher in the thermal spraying process;
because the sizes of the impeller and the blades are different, the stable fixation before spraying is also important when the powder plating is carried out on the impeller and the blades, and the adjustment procedure of the fixing structure is complex at present;
The surface of the impeller blade contains greasy dirt, oxide or other pollutants, the adhesive force and quality of the coating can be influenced, the coating material can be cooled rapidly after thermal spraying, so that the thermal stress between the coating and the substrate is increased, cracks are generated in the coating or at the interface between the coating and the substrate, the adhesive force and durability of the coating are further influenced, and a solution method and a subsequent treatment structure for the problems are lacking in the conventional device. The present invention therefore proposes an anti-abrasion thermal spraying device for maintenance of water pumps and turbines, which solves the problems mentioned in the background art.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an anti-abrasion thermal spraying device for maintaining a water pump and a water turbine.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The abrasion-resistant thermal spraying device for maintaining the water pump and the water turbine comprises a device seat, wherein a fixed ring frame is rotationally connected to the upper side of the device seat, a plurality of sliding seats are arranged on the surface of the fixed ring frame, connecting rods are rotationally connected to the upper side of the outer ends of the sliding seats, pressing blocks are rotationally connected to the front ends of the connecting rods, and sliding bar rods which slide forwards and backwards are arranged inside the sliding seats;
The center of the upper side of the fixed ring frame is rotationally connected with a plurality of groove rods corresponding to sliding seats, the outer parts of the groove rods are sleeved with threaded sleeves, and the threaded sleeves are in threaded connection with the outer corresponding sliding bar rods;
the device is characterized in that a water spraying head, a fan cover and a spraying head are arranged on the peripheral side of the outer portion of the device seat, a rotating seat is rotationally connected to the outer side of the device seat, a sliding seat sliding back and forth is arranged on the upper side of the rotating seat, a first stay rod is rotationally connected to the front end of the sliding seat, a second stay rod is arranged between the first stay rod and the sliding seat, the spraying head is arranged at the upper end of the first stay rod, the water spraying head is arranged on the device seat, a water pipe is connected to the water spraying head, and a water pump is connected to the water pipe.
Preferably, the water spraying head, the fan cover and the spraying head are annularly arranged on the periphery of the device seat in an array manner, the fan cover is arranged on the device seat, an air cavity chamber corresponding to the fan cover is arranged on the outer side of the device seat, an air pipe is connected between the air cavity chamber and the fan cover, and an electric heating element is arranged in the fan cover.
Preferably, the air cavity is internally provided with a fan blade, the inlet of the air cavity is connected with an air pump, a spur gear is fixed on the upper side of the fan blade, and an external tooth ring meshed with the spur gear is fixed on the outer part of the fixed ring frame.
Preferably, a plurality of sliding brackets corresponding to the sliding seats are arranged on the fixed ring frame, the sliding seats slide on the fixed ring frame through the inside and the outside of the sliding brackets, a sliding groove corresponding to the sliding bar is formed in the sliding brackets, a spur gear II is fixed at the rotating position of the lower end of the connecting rod, and a tooth block meshed with the upper spur gear II is fixed at the upper side of the outer end of the sliding bar.
Preferably, the upper side and the lower side of the groove rod are both provided with limiting grooves, the threaded sleeve is sleeved outside the groove rod through the limiting grooves and is provided with a first spur gear, the inner end of the groove rod is fixed with a first spur gear, and the surface of the upper side of the face ratchet disc is fixed with a face gear meshed with the first spur gears.
Preferably, the rotary frame is fixed on the lower side of the face ratchet disc, a plurality of sliding shafts corresponding to the sliding seat are fixed on the outer end of the rotary frame, and a plurality of inclined slots corresponding to the sliding shafts are formed on the lower side of the sliding seat.
Preferably, the upper and lower face ratchet teeth are opposite in tooth direction and opposite in direction to the corresponding inclined block, the inclined block is rotatably connected to the intermediate shaft, and a torsion spring is arranged at the joint of the inclined block and the intermediate shaft.
Preferably, the lower side of the intermediate shaft is fixed with a rotary column, a section of external thread is arranged at the upper end of the rotary column, a corresponding locking screw sleeve is sleeved at the upper end of the rotary column, and the locking screw sleeve is attached to the lower side face of the device seat.
Preferably, the upper end of the second stay bar is rotationally connected with the stay bar, the lower end of the second stay bar is rotationally connected with a sliding block, the sliding block slides back and forth inside the sliding seat, a stud is fixed on the sliding block, and a nut which is tightly attached to the surface of the sliding seat is connected to the stud through threads.
Preferably, the device seat outside is provided with the inserted block that corresponds the swivel mount, and the inserted block slides from top to bottom on the device seat, the swivel mount outside is fixed with the inserted disc that corresponds the inserted block, and a plurality of positioning slots that correspond the inserted block have been seted up to inserted disc week side, and are provided with reset spring between inserted block downside and the device seat.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, a fixed ring frame structure which rotates on a device seat is designed, a plurality of sliding seats are arranged on the fixed ring frame, when the fixed ring frame rotates in one direction through a middle shaft structure, the peripheral sliding seats are close to the middle, the preliminary fixing of the central impeller blade is realized, then the middle shaft rotates in the other direction, the upper pressing block of the connecting rod is pressed down, the upper and lower fixing of the impeller blade is completed, the structure can realize the rapid fixed assembly and fixing work of the impeller blades with different sizes, and the operation is simple;
2. The invention is provided with the water cleaning structure, can clean the surface of a workpiece before the powder plating by hot spraying and remove greasy dirt, ensure the surface clean, ensure the quality of a coating after the powder plating and the adhesive force of the coating on the surface of a substrate, and is also provided with the drying and preheating structure, wherein the hot air is used for quickly drying and preheating the surface of an impeller or a blade, thereby being beneficial to reducing the temperature gradient between the coating and the substrate, reducing the occurrence of thermal stress, and being capable of avoiding the quick cooling of the spraying surface of the impeller or the blade by continuous hot air blowing after the powder plating is carried out and ended;
3. The invention is also provided with a quick adjusting mechanism which is adaptive to the thermal spraying head, can realize quick adjustment of the height, angle and front and back positions of the spraying head, is suitable for impeller blades with different shapes and sizes, ensures accurate control and optimization of parameters such as nozzle distance, nozzle angle and the like, improves the uniformity and quality of a coating, pumps air in an air chamber, links a fixed ring frame in a device frame, enables the fixed ring frame to rotate at a constant speed, and is matched with the cleaning, drying and spraying work.
Drawings
FIG. 1 is a schematic diagram of a thermal spray device for preventing abrasion for maintaining a water pump and a water turbine according to the present invention;
FIG. 2 is a schematic diagram of a second embodiment of an anti-abrasion thermal spraying device for maintaining a water pump and a water turbine according to the present invention;
FIG. 3 is a schematic diagram of a thermal spray device for preventing abrasion for maintaining a water pump and a water turbine according to the third embodiment of the present invention;
FIG. 4 is a schematic diagram showing a cross-sectional structure of a pump and turbine maintenance anti-abrasion thermal spraying device according to the present invention;
FIG. 5 is a schematic diagram of a thermal spray device for preventing abrasion for maintaining a water pump and a water turbine according to the present invention;
FIG. 6 is a schematic view of a part of an enlarged structure of an anti-abrasion thermal spraying device for maintaining a water pump and a water turbine according to the present invention;
Fig. 7 is a schematic diagram of a connection structure of a sliding seat in an anti-abrasion thermal spraying device for maintaining a water pump and a water turbine according to the present invention.
The device comprises a device seat 1, a device seat 2, a fixed ring frame 3, a spraying head 4, a fan housing 5, a water spraying head 6, a water pipe 7, a spur gear 8, an air cavity chamber 9, a fan blade 10, an air pipe 11, a sliding seat 12, a connecting rod 13, a pressing block 14, a straight gear 15, a groove rod 16, a threaded sleeve 17, a sliding bar 18, a tooth block 19, a straight gear two, a 20, a swivel seat 21, a sliding seat 22, a supporting bar one 23, a supporting bar two, a sliding block 24, a sliding block 25, a stud 26, an end face gear 27, a rotating column 28, a locking screw sleeve 29, a chute 30, a rotating frame 31, a middle shaft 32, a face ratchet disc 33, an oblique block 34 and a sliding shaft.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-7, an anti-abrasion thermal spraying device for maintaining a water pump and a water turbine comprises a device seat 1, wherein a fixed ring frame 2 is rotationally connected to the upper side of the device seat 1, a plurality of sliding seats 11 are arranged on the surface of the fixed ring frame 2, a connecting rod 12 is rotationally connected to the upper side of the outer end of the sliding seats 11, a pressing block 13 is rotationally connected to the front end of the connecting rod 12, sliding bars 17 sliding back and forth are arranged in the sliding seats 11, a plurality of sliding brackets corresponding to the sliding seats 11 are arranged on the fixed ring frame 2, the sliding seats 11 slide on the fixed ring frame 2 through the inner sides and the outer sides of the sliding brackets, sliding grooves corresponding to the sliding bars 17 are formed in the sliding brackets, impeller blades and water pump impellers which need to be subjected to anti-abrasion repair are firstly detached, placed in the middle of the upper side of the fixed ring frame 2 of the device seat 1, the sliding seats 11 are close to the center through the sliding seats, surrounding clamping and are fixed through the pressing blocks 13 on the connecting rod 12;
Further, referring to fig. 3, 5 and 6, the center of the fixed ring frame 2 is rotationally connected with an intermediate shaft 31, the upper side and the lower side of the intermediate shaft 31 are respectively rotationally connected with a face ratchet disc 32, the upper side and the lower side of the intermediate shaft 31 are respectively provided with a plurality of inclined blocks 33 corresponding to the face ratchet disc 32, the teeth of the upper side and the lower side ratchet disc 32 are opposite, the directions of the corresponding inclined blocks 33 are opposite, the inclined blocks 33 are rotationally connected to the intermediate shaft 31, torsion springs are arranged at the joint of the inclined blocks 33 and the intermediate shaft 31, a rotating frame 30 is fixed at the lower side of the lower side ratchet disc 32, a plurality of sliding shafts 34 corresponding to the sliding seat 11 are fixed at the outer end of the rotating frame 30, a plurality of inclined grooves 29 corresponding to the sliding shafts 34 are formed at the lower side of the sliding seat 11, a rotating column 27 is fixed at the lower side of the intermediate shaft 31, and the upper side of the intermediate shaft 31 rotates the intermediate shaft 31 through the rotating column 27, when the intermediate shaft 31 rotates towards one direction, the upper side or the lower side inclined blocks 33 acts on the corresponding face ratchet disc 32, and the other side of the inclined blocks 33 rotates towards the corresponding face ratchet disc 32, and the rotating blades of the rotating frame 32 are driven by the rotating frame 32, namely, and the rotating blades of the corresponding sliding seat 32 are driven by the rotating frame 32 to the upper side of the sliding seat 2, and the sliding discs are driven by the corresponding to the sliding frame 32, and the sliding frame 32 is rotated to the sliding frame 32;
Further, referring to fig. 3, 4, 6, and 7, the center of the upper side of the fixed ring frame 2 is rotatably connected with a plurality of groove rods 15 corresponding to the sliding seat 11, a threaded sleeve 16 is sleeved outside the groove rods 15, the threaded sleeve 16 is in threaded connection with an external corresponding sliding bar 17, limiting grooves are respectively arranged on the upper side and the lower side of the groove rods 15, the threaded sleeve 16 is sleeved outside the groove rods 15 through the limiting grooves, a spur gear 14 is fixed at the inner end of each groove rod 15, an end face gear 26 meshed with the plurality of spur gears 14 is fixed on the surface of each upper side ratchet 32, a spur gear 19 is fixed at the lower end rotation position of each connecting rod 12, a tooth block 18 meshed with the corresponding upper spur gear 19 is fixed at the upper side of the outer end of each sliding bar 17, after the plurality of sliding seats 11 clamp the impeller or blades around, a middle shaft 31 rotates in the other direction, the middle shaft 31 drives an upper side ratchet 32 to rotate, the upper side ratchet 32 drives the connected end face gears 26 to rotate, and then drives the plurality of gears 14, the spur gears 14 drive the fixed groove rods 15 to rotate, the upper side ratchet wheel 11 drive the inner end face gear 15 to rotate, the inner end face gear 16 rotates tightly, and the inner end of each sliding bar 11 rotates tightly, and the inner end of each sliding bar 16 rotates to the corresponding to the impeller 13 through the sliding seat 17, and the sliding sleeve 13 is pressed tightly, and the inner end of the sliding bar 13 is pressed tightly by the sliding bar 13;
Further, referring to fig. 5, an external thread is provided at the upper end of the rotary post 27, and a corresponding locking screw sleeve 28 is sleeved at the upper end of the rotary post 27, and the locking screw sleeve 28 is attached to the lower side surface of the device seat 1, after finishing the fixing work of the impeller or the blade to be spray-repaired, the locking screw sleeve 28 on the rotary post 27 is rotated to be close to the lower side surface of the fixed ring frame 2, and then fixed to the rotation angle of the intermediate shaft 31, and further fixed to the position of the sliding seat 11, and the position of the pressing block 13;
Still further, referring to fig. 2 and 3, the outer circumference side of the device seat 1 is provided with a water spray head 5, a fan housing 4 and a spraying head 3, the outer side of the device seat 1 is rotationally connected with a swivel base 20, the upper side of the swivel base 20 is provided with a sliding seat 21 which slides forwards and backwards, the front end of the sliding seat 21 is rotationally connected with a first supporting rod 22, a second supporting rod 23 is arranged between the first supporting rod 22 and the sliding seat 21, the spraying head 3 is arranged at the upper end of the first supporting rod 22, the water spray head 5, the fan housing 4 and the spraying head 3 are annularly arranged at the periphery of the device seat 1, the upper end of the second supporting rod 23 is rotationally connected with the first supporting rod 22, the lower end of the second supporting rod 23 is rotationally connected with a sliding block 24, the sliding block 24 is longitudinally slid inside the sliding seat 21, a stud 25 is fixed on the sliding block 24, the stud 25 is screwed on the sliding seat 25, the sliding seat is tightly attached to a nut on the surface of the sliding seat 21, according to the size position of an impeller or a blade, the angle of the second supporting rod 23 is adjusted, the angle of the first supporting rod 22 is further realized, and the angle of the first supporting rod 22 is adjusted through rotating the sliding seat 21, the sliding block 25 is locked, the sliding seat 24 is correspondingly positioned at the position of the sliding seat 20, the outer side of the sliding seat 1 is correspondingly positioned at the outer side of the sliding seat 1, and the sliding seat 1 is correspondingly positioned at the sliding seat 20, the sliding seat is correspondingly positioned at the position of the upper end of the sliding seat 20, and the sliding seat is fixed at the position 20, the position of the sliding seat 20, the sliding seat is correspondingly, the position of the sliding seat is correspondingly, the sliding seat is fixed at the position, and the position of the upper end of the sliding seat 20, and the upper end is fixed The application only installs the thermal spraying nozzle part on the central spraying device, the other techniques such as powder supply system, gas supply system, control system and electrical interface are well known in the art, so it will not be described in detail;
Still further, referring to fig. 1 to 3, the water spraying head 5 is installed on the device seat 1, the water spraying head 5 is connected with a water pipe 6, and the water pipe 6 is connected with a water pump, after the impeller and the blade device are fixed, before the thermal spraying work is performed, water is introduced into the water spraying head 5 through the water pipe 6, the surface of the impeller or the blade is washed, oil stains, oxides and other pollutants are removed, the surface cleaning is ensured, and the quality of the sprayed coating and the adhesive force of the coating on the surface of the substrate are ensured;
Still further, referring to fig. 3 and 4, the fan housing 4 is mounted on the device seat 1, the air chamber 8 corresponding to the fan housing 4 is mounted on the outer side of the device seat 1, an air pipe 10 is connected between the air chamber 8 and the fan housing 4, an electric heating element is mounted in the fan housing 4, a fan blade 9 is mounted in the air chamber 8, an air pump is connected to the inlet of the air chamber 8, a spur gear 7 is fixed on the upper side of the fan blade 9, an outer toothed ring meshed with the spur gear 7 is fixed on the outer part of the fixed ring frame 2, before and after the hot spraying powder plating is performed, air is pumped into the air chamber 8 through the air pump, and the air at the air outlet of the fan housing 4 is heated through the electric heating element, during cleaning, the hot air rapidly dries and preheats the surface of the impeller or the fan blade, thereby being helpful for reducing the temperature gradient between the coating and the base material, reducing the occurrence of thermal stress, after the powder plating is performed and finished, the continuous hot air blowing can avoid the rapid cooling of the spraying surface of the impeller or the blade, after powder plating, if the cooling is faster, the thermal stress in the coating or at the interface between the coating and the substrate increases, thereby triggering the risk of cracking or peeling of the coating, proper hot air blowing ensures the slow reduction of the coating temperature on the surface of the impeller or the blade, controls the solidification temperature and time, ensures that the coating can be uniformly solidified, reduces the accumulation of internal stress, and when the pumped air passes through the air chamber 8, drives the internal fan blade 9 to rotate, and drives the upper spur gear 7 to rotate at the same time, and the spur gear 7 drives the fixed ring frame 2 in the device seat 1 to rotate, so long as the constant air quantity is kept, the fixed ring frame 2 in the device seat 1 rotates at a uniform speed, and then cooperates with the uniform cleaning, drying and powder plating work of the impeller or the blade.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. The abrasion-resistant thermal spraying device for maintaining the water pump and the water turbine comprises a device seat (1), and is characterized in that a fixed ring frame (2) is rotationally connected to the upper side of the device seat (1), a plurality of sliding seats (11) are arranged on the surface of the fixed ring frame (2), connecting rods (12) are rotationally connected to the upper side of the outer ends of the sliding seats (11), pressing blocks (13) are rotationally connected to the front ends of the connecting rods (12), and sliding bar rods (17) sliding forwards and backwards are arranged inside the sliding seats (11);
The center of the fixed ring frame (2) is rotationally connected with a middle shaft (31), the upper side and the lower side of the middle shaft (31) are rotationally connected with a face ratchet disc (32), the upper side and the lower side of the middle shaft (31) are respectively provided with a plurality of inclined blocks (33) corresponding to the face ratchet disc (32), the center of the upper side of the fixed ring frame (2) is rotationally connected with a plurality of groove rods (15) corresponding to the sliding seats (11), the outside of the groove rods (15) is sleeved with a threaded sleeve (16), and the threaded sleeve (16) is in threaded connection with an external corresponding sliding bar (17);
The device comprises a device seat (1), and is characterized in that a water spraying head (5), a fan cover (4) and a spraying head (3) are arranged on the outer periphery of the device seat (1), a rotating seat (20) is rotatably connected to the outer side of the device seat (1), a sliding seat (21) capable of sliding forwards and backwards is arranged on the upper side of the rotating seat (20), a first supporting rod (22) is rotatably connected to the front end of the sliding seat (21), a second supporting rod (23) is arranged between the first supporting rod (22) and the sliding seat (21), the spraying head (3) is arranged at the upper end of the first supporting rod (22), the water spraying head (5) is arranged on the device seat (1), a water pipe (6) is connected to the water spraying head (5), and the water pipe (6) is connected with a water pump;
The upper and lower face ratchet dish (32) tooth is opposite, and corresponds sloping block (33) opposite direction, and the downside face ratchet dish (32) downside is fixed with revolving rack (30), and revolving rack (30) outer end is fixed with a plurality of sliding shafts (34) that correspond sliding seat (11), and cell pole (15) inner is fixed with straight-tooth wheel one (14), and upside face ratchet dish (32) surface is fixed with face gear (26) with a plurality of straight-tooth wheel one (14) meshing.
2. The abrasion-resistant thermal spraying device for water pump and water turbine maintenance according to claim 1, wherein the water spray head (5), the fan housing (4) and the spraying head (3) are annularly arrayed on the periphery of the device seat (1), the fan housing (4) is mounted on the device seat (1), an air cavity (8) corresponding to the fan housing (4) is mounted on the outer side of the device seat (1), an air pipe (10) is connected between the air cavity (8) and the fan housing (4), and an electric heating element is mounted inside the fan housing (4).
3. The abrasion-resistant thermal spraying device for water pump and water turbine maintenance according to claim 2, wherein a fan blade (9) is installed in the air chamber (8), an air pump is connected to an inlet of the air chamber (8), a spur gear (7) is fixed on the upper side of the fan blade (9), and an outer toothed ring meshed with the spur gear (7) is fixed on the outer portion of the fixed ring frame (2).
4. The abrasion-resistant thermal spraying device for water pump and water turbine maintenance according to claim 1, wherein a plurality of sliding brackets corresponding to the sliding seats (11) are arranged on the fixed ring frame (2), the sliding seats (11) slide on the fixed ring frame (2) through the sliding brackets, sliding grooves corresponding to the sliding bar (17) are formed in the sliding brackets, a spur gear (19) is fixed at the rotating position of the lower end of the connecting rod (12), and a tooth block (18) meshed with the upper spur gear (19) is fixed on the upper side of the outer end of the sliding bar (17).
5. The abrasion-resistant thermal spraying device for water pump and water turbine maintenance according to claim 1, wherein limiting grooves are formed in the upper side and the lower side of the groove rod (15), and the threaded sleeve (16) is sleeved outside the groove rod (15) through the limiting grooves.
6. The abrasion-resistant thermal spraying device for maintaining the water pump and the water turbine according to claim 1, wherein a plurality of inclined grooves (29) corresponding to the sliding shafts (34) are formed on the lower side of the sliding seat (11).
7. The abrasion-resistant thermal spraying device for water pump and turbine maintenance according to claim 1, wherein the inclined block (33) is rotatably connected to the intermediate shaft (31), and a torsion spring is provided at the junction of the inclined block (33) and the intermediate shaft (31).
8. The abrasion-resistant thermal spraying device for water pump and water turbine maintenance according to claim 1, wherein a rotary column (27) is fixed on the lower side of the intermediate shaft (31), a section of external threads is formed at the upper end of the rotary column (27), a corresponding locking screw sleeve (28) is sleeved at the upper end of the rotary column (27), and the locking screw sleeve (28) is attached to the lower side surface of the device seat (1).
9. The abrasion-resistant thermal spraying device for water pump and water turbine maintenance according to claim 1, wherein the upper end of the second supporting rod (23) is rotatably connected with the first supporting rod (22), the lower end of the second supporting rod (23) is rotatably connected with a sliding block (24), the sliding block (24) slides back and forth inside the sliding seat (21), a stud (25) is fixed on the sliding block (24), and a nut closely attached to the surface of the sliding seat (21) is connected on the stud (25) in a threaded manner.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410918962.9A CN118996315B (en) | 2024-07-10 | 2024-07-10 | Abrasion-resistant thermal spraying device for maintaining water pump and water turbine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410918962.9A CN118996315B (en) | 2024-07-10 | 2024-07-10 | Abrasion-resistant thermal spraying device for maintaining water pump and water turbine |
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| CN118996315A CN118996315A (en) | 2024-11-22 |
| CN118996315B true CN118996315B (en) | 2025-04-22 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205236328U (en) * | 2015-12-29 | 2016-05-18 | 大连船舶重工集团舾装有限公司 | Pipe fitting inner wall rotational molding machine's for plastic -coated clamping mechanism is exclusively used in |
| CN217371490U (en) * | 2022-06-08 | 2022-09-06 | 哈尔滨实力航空工业有限公司 | Clamping device for fixing horizontal and vertical tails of airplane |
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| KR20090005985U (en) * | 2007-12-13 | 2009-06-17 | 주식회사 혜성 | Output annulus gear drilling jig for automotive automatic transmission |
| CN112846265A (en) * | 2021-02-05 | 2021-05-28 | 胡文正 | Automatic centering three-jaw chuck for large lathe |
| CN113755778B (en) * | 2021-09-09 | 2023-07-07 | 浙江固特气动科技股份有限公司 | A gate valve processing technology and device |
| CN114523318B (en) * | 2022-03-17 | 2022-11-15 | 顺达模具科技有限公司 | A machining fixture for aluminum castings of chassis brackets for automobiles |
| CN217433093U (en) * | 2022-06-10 | 2022-09-16 | 无锡鑫嘉铭金属制品有限公司 | Three-jaw chuck with positioning structure |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205236328U (en) * | 2015-12-29 | 2016-05-18 | 大连船舶重工集团舾装有限公司 | Pipe fitting inner wall rotational molding machine's for plastic -coated clamping mechanism is exclusively used in |
| CN217371490U (en) * | 2022-06-08 | 2022-09-06 | 哈尔滨实力航空工业有限公司 | Clamping device for fixing horizontal and vertical tails of airplane |
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| CN118996315A (en) | 2024-11-22 |
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