CN114734175B - Mixed-flow runner welding device for water turbine - Google Patents
Mixed-flow runner welding device for water turbine Download PDFInfo
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- CN114734175B CN114734175B CN202210649036.7A CN202210649036A CN114734175B CN 114734175 B CN114734175 B CN 114734175B CN 202210649036 A CN202210649036 A CN 202210649036A CN 114734175 B CN114734175 B CN 114734175B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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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 relates to the technical field of welding, in particular to a mixed-flow runner welding device for a water turbine. The blade welding machine comprises a first supporting seat, a supporting mechanism, a robot and a welding head, wherein the supporting mechanism used for supporting is connected to the top of the first supporting seat, the robot is installed on the supporting mechanism, and the welding head used for carrying out electric welding fixing on a blade is installed at the lower end of the robot. According to the invention, the sliding frame can be driven to rotate by taking the driving part as a driving force, so that the rotating wheel can be driven to rotate, and then the welding head can be controlled by the robot to fix the blade between the lower ring and the upper crown in an electric welding manner, so that the operation is simple and convenient, and the time and the labor are saved.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a mixed-flow rotating wheel welding device for a water turbine.
Background
The mixed flow water turbine is also called as Francis water turbine, the water flow flows into the runner from the periphery in radial direction and then flows out of the runner approximately in axial direction, the runner is composed of an upper crown, a lower ring and blades, and the mixed flow water turbine is an important component for converting the kinetic energy of the water in the hydroelectric power generation into mechanical energy.
At present, the runner is when preparing, need earlier fix the position between crown and the lower ring, then spot welding blade between crown and lower ring, make it just possess the model, further with the crown again, it is firm to weld through the mode of electric welding between lower ring and the blade, because the blade quantity of runner is more, and partial welding district section can shelter from each other, operating personnel is when carrying out welding operation, because the weight of runner is very heavy, people are difficult to the position of accurate adjustment runner, change position and angle when needing this moment from time to time accomplish the operation, it is fairly loaded down with trivial details, waste time and energy.
Disclosure of Invention
The invention provides a mixed-flow runner welding device capable of driving a runner to rotate and used for a water turbine, which solves the problem that in the technical background, when blades of the runner are welded manually, the position and the angle are required to be changed from time to complete the operation, so that the runner is welded more time-saving and labor-saving.
The invention is realized by the following technical approaches: the utility model provides a mixed-flow runner welding set for hydraulic turbine, including first supporting seat, supporting mechanism, robot and bonding tool, the top of first supporting seat is connected with the supporting mechanism who is used for playing the supporting role, install the robot on the supporting mechanism, the lower extreme of robot is installed and is used for welding the bonding tool of fixed to the blade, still including slewing mechanism and placement machine, the middle part of first supporting seat is connected with slewing mechanism, the last placement machine that is connected with of slewing mechanism, when the runner is placed on placement machine, slewing mechanism can drive the runner and rotate, make the robot can control the bonding tool with the blade through the accurate installation of mode of electric welding between crown and lower ring.
Further, supporting mechanism is including support column, crossbearer and mounting disc, and the top of first supporting seat is connected with the support column that quantity is one at least, and the upper portion of support column all is connected with the crossbearer, is connected with the mounting disc between the inboard of crossbearer, and the bottom at the mounting disc is installed to the robot.
Further, slewing mechanism is including the driving piece, the speed reduction piece, bearing and pivot, the middle part of first supporting seat is connected with the driving piece that is used for providing power, the top of driving piece is connected with the speed reduction piece, the output shaft of driving piece and the input shaft of speed reduction piece, the middle part of first supporting seat is connected with bearing, bearing is located the driving piece top, bearing's inner wall connection has the pivot, the bottom of pivot and the output shaft of speed reduction piece, start the driving piece, can drive the pivot and rotate, the pivot drives the runner and rotates.
Further, place the mechanism including fixing base, second supporting seat and carriage, the top intermediate junction of first supporting seat has the fixing base, and the top of pivot is connected with the second supporting seat, and sliding connection has the carriage that is used for carrying out the support to the runner on the second supporting seat, and when the runner was placed on the carriage, the carriage can down-motion.
Furthermore, the centering mechanism comprises a first liquid storage cylinder, a first piston, an elastic piece, a second liquid storage cylinder, a pressing type valve, a rotating disc, a clamping rod, a second piston and an oil delivery pipe, wherein the lower part of the inner side of the second supporting seat is connected with the first liquid storage cylinder, the first piston is connected in the first liquid storage cylinder in a sliding manner, the top of the first piston is connected with the bottom of the sliding frame, the elastic piece is wound outside the first piston, two ends of the elastic piece are respectively connected with the first liquid storage cylinder and the first piston, the top of the sliding frame is connected with the second liquid storage cylinder, the second liquid storage cylinder is connected with the first liquid storage cylinder and communicated with the oil delivery pipe, the pressing type valve is connected onto the oil delivery pipe, the upper part of the sliding frame valve is connected with the sliding frame, the rotating disc is rotatably connected to the middle of the top, at least two clamping rods are rotatably connected to the middle of the top, the clamping rod is contacted with the rotating disc, a second piston is connected in the second liquid storage cylinder in a sliding mode, the second piston is connected with the rotating disc in a sliding mode, the sliding frame moves downwards to extrude the first piston to move downwards, hydraulic oil in the first liquid storage cylinder is extruded into the second liquid storage cylinder, the hydraulic oil can drive the second piston to move backwards to drive the rotating disc to rotate, and the extrusion clamping rod rotates inwards to limit the rotating wheel.
Further, still including the angle adjustment mechanism who is used for carrying out the angle fine setting to the runner, angle adjustment mechanism is including the backup pad, the guide bar, contact lever and rubber ring, first support seat upper portion is connected with the backup pad, the upper portion rotary type of backup pad is connected with the guide bar, the right side slidingtype of guide bar is connected with the contact lever, the left end of contact lever is connected with the rubber ring, the rubber snare is on the guide bar, when the runner rotates, can contact with the contact lever, and the extrusion contact lever takes place to rotate, then artifical manual rotation guide bar, it promotes the runner reversal to suitable position to drive the contact lever reversal.
Further, still including being used for preventing the splashproof mechanism of molten iron dropping on the runner, the splashproof mechanism is including solid fixed ring, collar and brush hair, and the sub-unit connection of bonding tool has solid fixed ring, installs the collar on the solid fixed ring, and the even interval connection of outer wall of collar has the brush hair, and when the bonding tool is welding fixedly carrying out the electricity to the blade, the brush hair can block the molten iron that splashes.
Further, the brush hair is made of metal.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the sliding frame can be driven to rotate by taking the driving part as a driving force, so that the rotating wheel can be driven to rotate, and then the welding head can be controlled by the robot to fix the blade between the lower ring and the upper crown in an electric welding manner, so that the operation is simple and convenient, and the time and the labor are saved.
2. When the sliding frame moves downwards, the clamping rod can be driven to rotate towards the inner side to clamp the rotating wheel, so that the rotating wheel can be better driven to rotate, and the phenomenon that the rotating wheel rotates randomly to influence the welding accuracy of a welding head can be prevented.
3. The contact lever can position the rotating wheel, when the rotating wheel does not rotate to a proper position, the guide lever can be manually rotated to drive the contact lever to rotate reversely, and the contact lever can extrude the rotating wheel to slightly rotate clockwise to a proper position, so that the aim of finely adjusting the angle of the rotating wheel can be fulfilled.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the rotating mechanism and the placing mechanism of the present invention.
Fig. 3 is a partial sectional structural schematic view of the present invention.
Fig. 4 is a partial perspective view of the present invention.
Fig. 5 is a schematic perspective view of the centering mechanism of the present invention.
Fig. 6 is a partial cross-sectional structural schematic view of the centering mechanism of the present invention.
Fig. 7 is a schematic view of a first partial body structure of the centering mechanism of the present invention.
FIG. 8 is a schematic view of a second partial body configuration of the centering mechanism of the present invention.
Fig. 9 is a perspective view of a third portion of the centering mechanism of the present invention.
Fig. 10 is a schematic perspective view of a first angle adjustment mechanism according to the present invention.
Fig. 11 is a schematic perspective view of a second angle adjustment mechanism of the present invention.
Fig. 12 is a schematic perspective view of the splash guard of the present invention.
Reference numerals: 1_ rotating wheel, 2_ first supporting seat, 3_ supporting mechanism, 31_ supporting column, 32_ cross frame, 33_ mounting disc, 4_ robot, 5_ welding head, 6_ rotating mechanism, 61_ driving piece, 62_ speed reducing piece, 63_ bearing, 64_ rotating shaft, 7_ placing mechanism, 71_ fixing seat, 72_ second supporting seat, 73_ sliding frame, 8_ centering mechanism, 81_ first liquid storage cylinder, 82_ first piston, 83_ elastic piece, 84_ second liquid storage cylinder, 85_ pressing type valve, 86_ rotating disc, 87_ clamping bar, 88_ second piston, 89_ oil pipe, 9_ angle adjusting mechanism, 91_ supporting plate, 92_ guide bar, 93_ contact bar, 94_ rubber ring, 10_ splash proof mechanism, 1001_ fixing ring, 1002_ mounting ring, and brush _ mounting ring 1003.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
The utility model provides a francis runner welding set for hydraulic turbine, refer to fig. 1-4, including first supporting seat 2, supporting mechanism 3, robot 4, the bonding tool 5, slewing mechanism 6 and placement mechanism 7, the top of first supporting seat 2 is connected with supporting mechanism 3, install robot 4 on the supporting mechanism 3, bonding tool 5 is installed to the lower extreme of robot 4, robot 4 can control bonding tool 5 and fix the blade between lower ring and last hat through the mode of electric welding, the middle part of first supporting seat 2 is connected with slewing mechanism 6, be connected with placement mechanism 7 on the slewing mechanism 6.
Referring to fig. 1, the supporting mechanism 3 includes a supporting column 31, cross frames 32 and a mounting plate 33, the supporting column 31 is connected to the left and right sides of the top of the first supporting seat 2, the cross frames 32 are bolted to the upper portions of the supporting column 31, the mounting plate 33 is connected between the inner sides of the two cross frames 32, and the robot 4 is mounted at the bottom of the mounting plate 33.
Referring to fig. 2 and 3, the rotating mechanism 6 includes a driving member 61, a speed reducer 62, a bearing 63 and a rotating shaft 64, the driving member 61 is bolted to the middle of the first support base 2, the driving member 61 is a speed reducing motor, the top of the driving member 61 is connected with the speed reducer 62, the speed reducer 62 is a speed reducing gear box, an output shaft of the driving member 61 is connected with an input shaft of the speed reducer 62, the bearing 63 is connected to the middle of the first support base 2, the bearing 63 is located above the driving member 61, the inner wall of the bearing 63 is connected with the rotating shaft 64, and the bottom end of the rotating shaft 64 is connected with the output shaft of the speed reducer 62.
Referring to fig. 1-3, the placing mechanism 7 includes a fixing seat 71, a second supporting seat 72 and a sliding frame 73, the fixing seat 71 is connected to the middle of the top of the first supporting seat 2, the second supporting seat 72 is welded to the top end of the rotating shaft 64, the sliding frame 73 is connected to the second supporting seat 72 in a sliding manner, people can place the rotating wheel 1 fixed by spot welding on the top of the sliding frame 73, and then start the driving part 61, so as to drive the second supporting seat 72 and the sliding frame 73 to rotate, thereby driving the rotating wheel 1 to rotate.
When people need to fix the blades between the upper crown and the lower ring in an electric welding mode, firstly, the welding device is placed at a designated position, then the rotating wheel 1 which is fixed in a spot welding mode is placed at the top of the sliding frame 73 by a forklift, the upper crown faces downwards, the lower ring faces upwards, then people can start the robot 4, the blades are fixed between the lower ring and the upper crown in an electric welding mode by controlling the welding head 5 through the robot 4, after one blade is fixed, the robot 4 is closed, then the driving part 61 is started, the driving part 61 can drive the rotating shaft 64 to rotate anticlockwise by a proper angle through the speed reducing part 62, the rotating shaft 64 drives the second supporting seat 72 and the sliding frame 73 to rotate anticlockwise by a proper angle, the sliding frame 73 drives the rotating wheel 1 to rotate anticlockwise by a proper angle, the next blade is aligned with the welding head 5, at the moment, the driving part 61 is closed, and then the welding head 5 can be controlled by the robot 4 to fix the next blade in an electric welding mode, so reciprocal, after the blade of runner 1 is all installed through the mode of electric welding, utilize fork truck will take away runner 1 installed through the mode of electric welding can.
Example 2
On the basis of the embodiment 1, referring to fig. 1, 5, 6, 7, 8 and 9, the centering mechanism 8 further comprises a centering mechanism 8, the centering mechanism 8 comprises a first liquid storage cylinder 81, a first piston 82, an elastic member 83, a second liquid storage cylinder 84, a press-type valve 85, a rotating disc 86, a clamping rod 87, a second piston 88 and an oil delivery pipe 89, the first liquid storage cylinder 81 is bolted on the lower portion of the inner side of the second supporting seat 72, hydraulic oil is arranged in the first liquid storage cylinder 81, the first piston 82 is slidably connected in the first liquid storage cylinder 81, the top of the first piston 82 is connected with the bottom of the sliding frame 73, the elastic member 83 is wound on the outer side of the first piston 82, two ends of the elastic member 83 are respectively connected with the first liquid storage cylinder 81 and the first piston 82, the elastic member 83 is a compression spring, the second liquid storage cylinder 84 is bolted on the right side of the top of the sliding frame 73, the lower side of the second liquid storage cylinder 84 is connected with the oil delivery pipe 89 and communicated with the right side of the first liquid storage cylinder 81, be connected with push type valve 85 on the oil pipe 89, push type valve 85 upper portion is connected with carriage 73, the middle rotary type in carriage 73 top is connected with rolling disc 86, the even interval rotary type in carriage 73 top is connected with four kellies 87, four kellies 87 all are located rolling disc 86 inboard, kellies 87 all contacts with rolling disc 86, four kellies 87 enclose into a circular, when kellies 87 toward inboard rotation, can center spacing to runner 1, sliding connection has second piston 88 in the second liquid storage cylinder 84, second piston 88 rear portion and rolling disc 86 right side sliding connection.
Initially, the first liquid storage cylinder 81 contains a certain amount of hydraulic oil, when a person uses a forklift to place the spot-welded and fixed rotating wheel 1 on the top of the sliding frame 73, under the action of gravity, the sliding frame 73 is extruded by the rotating wheel 1 to move downwards, the sliding frame 73 extrudes the press-type valve 85 to open, meanwhile, the sliding frame 73 drives the first piston 82 to move downwards, the elastic member 83 compresses, the first piston 82 extrudes the hydraulic oil in the first liquid storage cylinder 81, so that the hydraulic oil can enter the second liquid storage cylinder 84 through the oil pipeline 89, thereby extruding the second piston 88 to move backwards, the second piston 88 drives the rotating disc 86 to rotate, the rotating disc 86 extrudes the clamping rod 87 to rotate inwards, so that the clamping rod 87 can clamp the spot-welded and fixed rotating wheel 1 and can center the spot-welded and fixed rotating wheel 1, when the sliding frame 73 rotates, the clamping rod 87 can be driven to rotate, thereby it rotates to drive the fixed runner 1 of spot welding, so can be better drive the fixed runner 1 of spot welding and rotate, thereby can avoid runner 1 random emergence to rotate and influence the precision that welding head 5 welded, when people take away the runner 1 that installs through the mode of electric welding, elastic component 83 reconversion, drive first piston 82 and carriage 73 upward movement and reset, under the effect of atmospheric pressure, hydraulic oil in the second storage cylinder 84 can get back to in the first storage cylinder 81 through defeated oil pipe 89, second piston 88 can move forward and reset this moment, second piston 88 drives the reversal of rolling disc 86, clamping bar 87 can be loosened to rolling disc 86, after carriage 73 resets completely, push type valve 85 can close.
Referring to fig. 1, fig. 10 and fig. 11, still including angle adjustment mechanism 9, angle adjustment mechanism 9 is including backup pad 91, guide bar 92, contact rod 93 and rubber ring 94, the upper portion left side welding of first support holder 2 has backup pad 91, the upper portion rotary type of backup pad 91 is connected with guide bar 92, the right side sliding type of guide bar 92 is connected with contact rod 93, runner 1 anticlockwise rotation can contact with contact rod 93, thereby extrusion contact rod 93 takes place to rotate, people can control contact rod 93 through guide bar 92 and overturn, thereby stir a little clockwise rotation of runner 1 to suitable position, thereby can reach the purpose of carrying out angle fine setting to runner 1, contact rod 93's left end is connected with rubber ring 94, rubber ring 94 overlaps on guide bar 92.
When people need to fix the blade between the upper crown and the lower ring in an electric welding mode, the contact rod 93 can be pulled rightwards to a proper position to drive the rubber ring 94 to move rightwards, the position of the contact rod 93 can be stabilized under the action of friction force between the rubber ring 94 and the guide rod 92, after the rotating wheel 1 rotates anticlockwise by a proper angle, if the rotating wheel 1 just contacts with the contact rod 93 and the contact rod 93 does not rotate, the rotating wheel 1 is in a proper position at the moment, the robot 4 can control the welding head 5 to accurately perform electric welding fixing on the blade, if the rotating wheel 1 extrudes the contact rod 93 to rotate, the rotating wheel 1 is not in a proper position, when the rotating wheel 1 stops rotating, people need to manually rotate the guide rod 92 to drive the contact rod 93 to reversely rotate and reset, the support plate 91 can limit the guide rod 92, contact lever 93 can extrude runner 1 clockwise rotation to suitable position a little to can reach the purpose of carrying out the angle fine setting to runner 1, then with contact lever 93 toward left pulling reset, drive rubber ring 94 toward left movement and reset, avoid contact lever 93 to influence the rotation of runner 1 next time.
Referring to fig. 1, 4 and 12, still including splashproof mechanism 10, splashproof mechanism 10 is including solid fixed ring 1001, collar 1002 and brush hair 1003, the sub-unit connection of bonding tool 5 has solid fixed ring 1001, collar 1002 is installed through the bolt on the solid fixed ring 1001, the even interval connection of outer wall of collar 1002 has brush hair 1003, brush hair 1003 is the metal material, when bonding tool 5 is fixing the blade between lower ring and the crown through the mode of electric welding, brush hair 1003 can block the molten iron that splashes, avoid the molten iron to drop to runner 1 on.
When the welding head 5 is fixing the blade between lower ring and the crown through the mode of electric welding, can produce the spark, the spark is the molten iron in fact, brush hair 1003 can block the molten iron that splashes this moment, avoids the molten iron to drop to runner 1 on, uses a period of time after brush hair 1003, and people can dismantle collar 1002, then change collar 1002 and brush hair 1003, install new collar 1002 on solid fixed ring 1001 can.
The above description is only an example of the present invention and is not intended to limit the present invention. All equivalents which come within the spirit of the invention are therefore intended to be embraced therein. Details not described herein are well within the skill of those in the art.
Claims (4)
1. A mixed-flow runner welding device for a water turbine comprises a first supporting seat (2), a supporting mechanism (3), a robot (4) and a welding head (5), wherein the top of the first supporting seat (2) is connected with the supporting mechanism (3) for supporting, the robot (4) is installed on the supporting mechanism (3), the welding head (5) for electrically welding and fixing blades is installed at the lower end of the robot (4), is characterized by also comprising a rotating mechanism (6) and a placing mechanism (7), wherein the middle part of the first supporting seat (2) is connected with the rotating mechanism (6), the rotating mechanism (6) is connected with the placing mechanism (7), when the rotating wheel (1) is placed on the placing mechanism (7), the rotating mechanism (6) can drive the rotating wheel (1) to rotate, the robot (4) can control the welding head (5) to accurately install the blade between the upper crown and the lower ring in an electric welding mode; the rotating mechanism (6) comprises a driving part (61), a speed reducing part (62), a bearing (63) and a rotating shaft (64), the middle part of the first supporting seat (2) is connected with the driving part (61) for providing power, the top part of the driving part (61) is connected with the speed reducing part (62), an output shaft of the driving part (61) is connected with an input shaft of the speed reducing part (62), the middle part of the first supporting seat (2) is connected with the bearing (63), the bearing (63) is positioned above the driving part (61), the inner wall of the bearing (63) is connected with the rotating shaft (64), the bottom end of the rotating shaft (64) is connected with the output shaft of the speed reducing part (62), the driving part (61) is started, the rotating shaft (64) can be driven to rotate, and the rotating shaft (64) drives the rotating wheel (1) to rotate; the placing mechanism (7) comprises a fixed seat (71), a second supporting seat (72) and a sliding frame (73), the fixed seat (71) is connected in the middle of the top of the first supporting seat (2), the second supporting seat (72) is connected to the top end of the rotating shaft (64), the sliding frame (73) used for supporting the rotating wheel (1) is connected to the second supporting seat (72) in a sliding mode, and when the rotating wheel (1) is placed on the sliding frame (73), the sliding frame (73) can move downwards; the centering mechanism (8) is used for centering and limiting the rotating wheel (1), the centering mechanism (8) comprises a first liquid storage cylinder (81), a first piston (82), an elastic piece (83), a second liquid storage cylinder (84), a pressing type valve (85), a rotating disc (86), a clamping rod (87), a second piston (88) and an oil delivery pipe (89), the lower part of the inner side of the second supporting seat (72) is connected with the first liquid storage cylinder (81), the first piston (82) is connected in the first liquid storage cylinder (81) in a sliding manner, the top of the first piston (82) is connected with the bottom of the sliding frame (73), the elastic piece (83) is wound on the outer side of the first piston (82), two ends of the elastic piece (83) are respectively connected with the first liquid storage cylinder (81) and the first piston (82), the top of the sliding frame (73) is connected with the second liquid storage cylinder (84), and the second liquid storage cylinder (84) is connected with the first liquid storage cylinder (81) and is communicated with the oil delivery pipe (89), the oil delivery pipe (89) is connected with a pressing type valve (85), the upper portion of the pressing type valve (85) is connected with the sliding frame (73), the middle of the top of the sliding frame (73) is rotatably connected with a rotating disc (86), the middle of the top of the sliding frame (73) is rotatably connected with at least two clamping rods (87), the clamping rods (87) are all in contact with the rotating disc (86), a second piston (88) is connected in the second liquid storage cylinder (84) in a sliding manner, the second piston (88) is connected with the rotating disc (86) in a sliding manner, the sliding frame (73) moves downwards to extrude the first piston (82) to move downwards, hydraulic oil in the first liquid storage cylinder (81) is extruded into the second liquid storage cylinder (84), the second piston (88) can be driven to move backwards to drive the rotating disc (86) to rotate, and the clamping rods (87) are extruded to rotate inwards to limit the rotating wheel (1); still including being used for carrying out angle adjustment mechanism (9) of angle fine setting to runner (1), angle adjustment mechanism (9) are including backup pad (91), guide bar (92), contact lever (93) and rubber ring (94), first supporting seat (2) upper portion is connected with backup pad (91), the upper portion rotary type of backup pad (91) is connected with guide bar (92), the right side slidingtype of guide bar (92) is connected with contact lever (93), the left end of contact lever (93) is connected with rubber ring (94), rubber ring (94) cover is on guide bar (92), when runner (1) rotates, can contact with contact lever (93), and extrusion contact lever (93) take place to rotate, then artifical manual rotation guide bar (92), drive contact lever (93) reversal promotion runner (1) reversal to suitable position.
2. A francis runner welding apparatus for a hydraulic turbine according to claim 1, wherein the supporting mechanism (3) includes supporting columns (31), cross frames (32) and mounting plates (33), the top of the first supporting base (2) is connected with at least one supporting column (31), the upper portions of the supporting columns (31) are connected with the cross frames (32), the mounting plates (33) are connected between the inner sides of the cross frames (32), and the robot (4) is mounted at the bottom of the mounting plates (33).
3. The mixed-flow runner welding device for the water turbine is characterized by further comprising a splash-proof mechanism (10) used for preventing molten iron from falling on the runner (1), wherein the splash-proof mechanism (10) comprises a fixing ring (1001), a mounting ring (1002) and bristles (1003), the fixing ring (1001) is connected to the lower portion of the welding head (5), the mounting ring (1002) is mounted on the fixing ring (1001), the bristles (1003) are uniformly connected to the outer wall of the mounting ring (1002) at intervals, and when the welding head (5) performs electric welding fixing on blades, the bristles (1003) can block the splashed molten iron.
4. A francis runner welding apparatus for a hydraulic turbine according to claim 3, wherein the brush (1003) is made of metal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210649036.7A CN114734175B (en) | 2022-06-10 | 2022-06-10 | Mixed-flow runner welding device for water turbine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210649036.7A CN114734175B (en) | 2022-06-10 | 2022-06-10 | Mixed-flow runner welding device for water turbine |
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| CN114734175A CN114734175A (en) | 2022-07-12 |
| CN114734175B true CN114734175B (en) | 2022-09-27 |
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| CN117415415B (en) * | 2023-12-18 | 2024-03-12 | 沈阳格泰水电设备有限公司 | Runner welding device and welding method for mixed-flow turbine |
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| JP5679923B2 (en) * | 2011-07-05 | 2015-03-04 | 三菱日立パワーシステムズ株式会社 | Automatic welding system and automatic welding method |
| CN106736359A (en) * | 2016-12-21 | 2017-05-31 | 泉州市联控自动化科技有限公司 | A kind of jacking rotating mechanism |
| CN107838519A (en) * | 2017-10-29 | 2018-03-27 | 束春花 | A kind of household electrical appliances circuit board spot welding fixing device |
| CN108788566A (en) * | 2018-08-21 | 2018-11-13 | 常州信息职业技术学院 | A kind of impeller robot welding system |
| CN209452848U (en) * | 2019-01-11 | 2019-10-01 | 洛阳晨诺电气有限公司 | A kind of switch panel drilling equipment |
| CN110102928B (en) * | 2019-06-05 | 2019-12-17 | 广州市元晟自动化科技有限公司 | Control system and method for simplified teaching of double-gun welding of fan impeller |
| CN210849009U (en) * | 2019-08-09 | 2020-06-26 | 南通大通宝富风机有限公司 | Impeller automatic welding system |
| CN111112863A (en) * | 2019-11-26 | 2020-05-08 | 福尼斯智能装备(珠海)有限公司 | Wind wheel rapid welding workstation |
| CN110962012B (en) * | 2019-12-24 | 2020-12-29 | 河北荣泰模具科技股份有限公司 | A grinding device for mould processing |
| CN111496659B (en) * | 2020-04-13 | 2021-12-21 | 何满云 | Fixing device for polishing end face of solid wood stool |
| CN212451713U (en) * | 2020-07-13 | 2021-02-02 | 郑华惠 | Workpiece placing device capable of being automatically fixed and used for electroplating |
| CN216502954U (en) * | 2021-06-22 | 2022-05-13 | 台州市热火机器人有限公司 | Stainless steel impeller laser welding system |
| CN215846632U (en) * | 2021-08-31 | 2022-02-18 | 西安陕鼓动力股份有限公司 | Automatic indexing positioning device for welding centrifugal fan impeller |
| CN216298559U (en) * | 2021-10-11 | 2022-04-15 | 重庆朋驰玛克机械科技有限公司 | CNC is work piece for digit control machine tool turns to equipment |
| CN114378471B (en) * | 2022-02-16 | 2023-04-14 | 斯图加特航空自动化(广东)有限公司 | Impeller blade welding method and equipment thereof |
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2022
- 2022-06-10 CN CN202210649036.7A patent/CN114734175B/en active Active
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