CN112589307B - Production and manufacturing process of steam turbine impeller - Google Patents
Production and manufacturing process of steam turbine impeller Download PDFInfo
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- CN112589307B CN112589307B CN202011466499.7A CN202011466499A CN112589307B CN 112589307 B CN112589307 B CN 112589307B CN 202011466499 A CN202011466499 A CN 202011466499A CN 112589307 B CN112589307 B CN 112589307B
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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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
- B23K37/04—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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- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The invention provides a steam turbine impeller production and manufacturing process which adopts a steam turbine impeller production and manufacturing device, wherein the steam turbine impeller production and manufacturing device comprises a base, an adjusting unit and an executing unit, linkage grooves are symmetrically formed in the right side of the upper end of the base in a front-back mode, the adjusting unit is arranged in the linkage grooves in a sliding mode, and the executing unit is arranged at the upper end of the base; the invention can solve the problems that most of the prior impellers are installed one by one during production and processing, and the distance between the blades cannot be effectively adjusted, so that errors exist during the installation of the blades, and therefore, the blades need to be calibrated for many times, and unnecessary workload is increased; second, current impeller is generally carried out the joint with blade and annular frame and is fixed when processing in production, nevertheless adopts the mode of joint easily to cause the drop of blade to there is the potential safety hazard, and extravagant cost scheduling problem.
Description
Technical Field
The invention relates to the technical field of production and processing of steam turbine impellers, in particular to a production and manufacturing process of a steam turbine impeller.
Background
The steam turbine is a rotary steam power device, high-temperature and high-pressure steam passes through a fixed nozzle to become accelerated airflow and then is sprayed onto blades, so that a rotor provided with blade rows rotates, and simultaneously, the rotor does work outwards; the steam turbine is the main equipment of the modern thermal power plant, and is also used in the metallurgical industry, the chemical industry and the ship power plant, and has the advantages of large single machine power, high efficiency, long service life and the like; the impeller is one of the very important parts on the steam turbine, the impeller is a wheel disc provided with blades and is a component part of a steam turbine rotor, and because the impeller plays a very important role, the inclination of the blades and the angle between the blades need to be adjusted according to the use requirement when the impeller is produced and processed.
However, the following problems exist in the prior art when the turbine impeller is produced and processed: firstly, most of the existing impellers are used for installing the blades one by one during production and machining, and the distance between the blades cannot be effectively adjusted, so that errors exist during the installation of the blades, multiple times of calibration are needed, and unnecessary workload is increased.
Second, current impeller is generally carried out the joint with blade and annular frame and is fixed when processing in production, nevertheless adopts the mode of joint easily to cause the drop of blade to there is the potential safety hazard, and extravagant cost.
Disclosure of Invention
In order to solve the above problems, the present invention provides a steam turbine impeller production manufacturing process, which adopts a steam turbine impeller production manufacturing device, wherein the steam turbine impeller production manufacturing device comprises a base, an adjusting unit and an executing unit, the right side of the upper end of the base is symmetrically provided with a linkage groove in front and back, the adjusting unit is slidably arranged in the linkage groove, and the executing unit is installed at the upper end of the base, wherein:
the base includes base, annular chamber and support column, wherein: the base upper end is provided with the annular chamber, has seted up the linkage groove along annular chamber right side front and back symmetry, cuts annular chamber front end right side and has seted up the connecting hole, and the support column setting is on base upper end outer wall.
The adjusting unit includes bearing board, baffle, linkage roller, execution handle, bracing piece, No. two bracing pieces, interlocking round pin and auxiliary assembly, wherein: the bearing plate is arranged on the inner wall of the right end of the annular cavity, baffle plates are symmetrically arranged at the front and back of the upper end of the bearing plate, a linkage roller is arranged along the inner side wall of the baffle plates in a sliding manner, a first adjusting groove is formed in the linkage roller, a second adjusting groove is formed in the outer wall of the linkage roller in a front and back symmetrical manner by taking the first adjusting groove as a basic point, the front end of the linkage roller is connected with an execution handle which is arranged in a connecting hole in a sliding manner, a first supporting rod is hinged on the outer wall of the right end of the supporting column, a second supporting rod is hinged on the outer wall of the right end of the supporting column in a front and back symmetrical manner by taking the first supporting rod as a basic point, connecting rods which are arranged in the first adjusting groove and the second adjusting groove in a sliding manner are respectively connected along the inner sides of the lower ends of the first supporting rod and the second supporting rod, linkage pins which are arranged in the linkage grooves in a sliding manner are arranged on the outer sides of the lower ends of the first supporting rod and the second supporting rod, evenly be provided with the groove of sliding rather than being linked together along the standing groove both ends, and the standing groove lower extreme has seted up the arc spout, and the supplementary spout that is linked together with it is seted up to arc spout lower extreme, has seted up the spacing groove along even and bilateral symmetry of supplementary spout inner wall circumference, and the auxiliary assembly slides and sets up in supplementary spout.
Execution unit includes backup pad, air exhauster, connecting pipe, execution sucking disc, driving lever, pointer and welding assembly, wherein: the backup pad sets up in the annular chamber upper end, and the backup pad sets up at the support column left end, set up the groove of stepping down with standing groove matched with along the backup pad upper end, the groove both ends of stepping down are seted up with the groove matched with spread groove, and the groove lower extreme of stepping down has seted up fan-shaped spout, fan-shaped spout outside bilateral symmetry sets up the absorption hole that is linked together with the spread groove, the air exhauster slides and sets up in fan-shaped spout, be connected with the connecting pipe that sets up in absorption hole along air exhauster bilateral symmetry, connecting pipe end-to-end connection has the execution sucking disc, and the air exhauster lower extreme is provided with the driving lever, be provided with the pointer No. one along driving lever upper end outer fringe department, the welding subassembly sets up on bracing piece and No. two bracing piece upper end outer walls.
The production and processing of the steam turbine impeller by using the production and manufacturing device of the steam turbine impeller comprises the following steps:
s1, starting device: an operator installs the annular frame of the impeller on the device, then sequentially installs the blades on the device, and starts the device;
s2, blade adjustment: the angle between the blades is equidistantly adjusted through the adjusting unit, the inclination of the blades is adjusted according to a certain angle, and the blades are limited and fixed so as to be convenient for being matched with the execution unit to weld the blades and the annular frame;
s3, impeller welding: the blade and the annular frame which are adjusted in the S2 are welded through the execution unit, and the annular frame is rotated and adjusted according to a certain angle after welding is completed, so that the blade and the annular frame are welded in sequence, and the processed impeller is collected.
As a preferred technical scheme of the present invention, the auxiliary assembly includes a sliding block, a limiting plate, a linkage rod, a first supporting pin, a second pointer, and a scale plate, wherein: the sliding block slides and is arranged in the arc-shaped sliding groove, a limiting plate used for clamping the blade is evenly arranged at the upper end of the sliding block along the corner of the sliding block, the lower end of the sliding block is connected with a linkage rod which slides and is arranged in the auxiliary sliding groove, a first supporting pin and a second supporting pin are respectively arranged on the inner edge outer walls of the upper ends of the first supporting pin and the second supporting pin, a second pointer is arranged on the outer wall of the first supporting pin and the outer wall of the second supporting pin, and the scale plate is arranged on the inner side of the first supporting pin at the upper end of the first supporting pin.
As a preferred technical scheme of the invention, the welding assembly comprises a positioning seat, a pushing cylinder, a pushing block and an execution welding gun, wherein: the positioning seat uses the standing groove as the base point bilateral symmetry to set up on a bracing piece and No. two bracing piece upper end outer walls, and the positioning seat inside wall is provided with the push cylinder, and push cylinder telescopic link end-to-end connection has the ejector pad, and the ejector pad lower extreme installs and carries out welder.
As a preferable technical scheme of the invention, the execution handle is of a Z-shaped structure which is convenient for stirring the linkage roller to rotate in the circumferential direction.
As a preferred technical scheme of the invention, the second adjusting groove is a spiral structure groove used for matching with the connecting rod to adjust the angle of the second supporting rod.
As a preferred technical scheme of the invention, the outer wall of the linkage rod is symmetrically provided with supporting spring rods at the left and right sides, and the tail ends of the supporting spring rods are connected with limiting blocks which are arranged in the limiting grooves in a sliding manner.
As a preferable technical scheme of the invention, the outer side wall of the supporting plate is uniformly provided with scale marks matched with the scale plate in the circumferential direction.
The invention has the beneficial effects that:
the invention greatly improves the production and processing of the turbine impeller, and can solve the problems that firstly, most of the prior impellers are installed one by one during the production and processing, and the distance between the blades cannot be effectively adjusted, so that errors exist during the installation of the blades, so that the blades need to be calibrated for many times, and unnecessary workload is increased; second, current impeller is generally carried out the joint with blade and annular frame and is fixed when processing in production, nevertheless adopts the mode of joint easily to cause the drop of blade to there is the potential safety hazard, and extravagant cost scheduling problem.
The blade angle adjusting device is provided with the adjusting unit, so that a plurality of blades can be synchronously installed, and the angles among the blades can be equidistantly adjusted, thereby reducing the error of the angles among the blades, avoiding the installation one by one and reducing the workload.
The blade and the annular frame are welded by the aid of the execution unit which can be matched with the adjusting unit, the welded annular frame can be rotationally adjusted according to a certain angle, and the blades and the annular frame are sequentially welded in the circumferential direction, so that the blades are prevented from falling off, safety risks are reduced, and cost is saved.
The auxiliary assembly is arranged, the inclination of the blade can be adjusted according to a certain angle by matching with the adjusting unit, and the blade is limited and fixed, so that the blade and the annular frame can be welded by matching with the executing unit.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the present invention.
Fig. 2 is a front sectional view of the present invention.
Fig. 3 is a top cross-sectional view of the present invention.
FIG. 4 is a schematic view of a partial structure of the support plate, baffle and linkage roller of the present invention.
Fig. 5 is a partial structural schematic diagram of the first support rod and the auxiliary assembly of the invention.
Fig. 6 is a schematic perspective view of the linkage roller, the first support rod and the second support rod according to the present invention.
FIG. 7 is a partial block diagram of an execution unit according to the present invention.
Fig. 8 is a schematic perspective view of the support plate, the shift lever and the first pointer of the present invention.
FIG. 9 is a partial schematic view of a welded assembly of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1 to 9, the present invention provides a steam turbine impeller production manufacturing process, which adopts a steam turbine impeller production manufacturing apparatus, the steam turbine impeller production manufacturing apparatus includes a base 1, an adjusting unit 2 and an executing unit 3, a linkage groove 121 is symmetrically provided on the right side of the upper end of the base 1 in front and back, the adjusting unit 2 is slidably disposed in the linkage groove 121, and the executing unit 3 is mounted on the upper end of the base 1, wherein:
the base 1 comprises a base 11, an annular cavity 12 and support columns 13, wherein: the upper end of the base 11 is provided with an annular cavity 12, linkage grooves 121 are symmetrically formed in the front and back of the right side of the annular cavity 12, a connecting hole 122 is formed in the right side of the front end of the annular cavity 12, and the support column 13 is arranged on the outer wall of the upper end of the base 11.
The adjusting unit 2 comprises a supporting plate 21, a baffle 22, a linkage roller 23, an execution handle 24, a first supporting rod 25, a second supporting rod 26, a linkage pin 27 and an auxiliary assembly 28, wherein: the supporting plate 21 is installed on the inner wall of the right end of the annular cavity 12, the baffle plates 22 are symmetrically arranged at the front and back of the upper end of the supporting plate 21, the linkage roller 23 is arranged along the inner side wall of the baffle plates 22 in a sliding mode, a first adjusting groove 231 is formed in the linkage roller 23, a second adjusting groove 232 is symmetrically formed in the front and back direction of the outer wall of the linkage roller 23 by taking the first adjusting groove 231 as a base point, and the second adjusting groove 232 is a spiral structure groove used for adjusting the angle; the front end of the linkage roller 23 is connected with an execution handle 24 which is arranged in the connecting hole 122 in a sliding mode, and the execution handle 24 is of a Z-shaped structure which is convenient for stirring the linkage roller 23 to rotate circumferentially; the first support rod 25 is hinged on the outer wall of the right end of the support column 13, the second support rod 26 is hinged on the outer wall of the right end of the support column 13 in a front-back symmetrical mode by taking the first support rod 25 as a base point, the inner sides of the lower ends of the first support rod 25 and the second support rod 26 are respectively connected with a connecting rod 2311 which is arranged in the first adjusting groove 231 and the second adjusting groove 232 in a sliding mode, and the outer sides of the lower ends of the first support rod 25 and the second support rod 26 are provided with a linkage pin 27 which is arranged in the linkage groove 121 in a sliding way, the upper ends of the first support rod 25 and the second support rod 26 are provided with a placing groove 251 for placing the blade of the impeller, two sliding grooves 252 communicated with the placing groove 251 are uniformly arranged along the two ends of the placing groove 251, and arc spout 253 is seted up to standing groove 251 lower extreme, and arc spout 253 lower extreme is seted up the supplementary spout 254 that is linked together with it, evenly just bilateral symmetry has seted up spacing groove 255 along supplementary spout 254 inner wall circumference, and auxiliary component 28 slides and sets up in supplementary spout 254.
During specific work, operating personnel rotates execution handle 24, drives linkage roller 23 through execution handle 24 and rotates to make linkage roller 23 drive No. two bracing pieces 26 through an adjustment tank 231 and No. two adjustment tanks 232 cooperation connecting rod 2311 and be the circumferential direction swing in step to the outside, carry out the equidistance adjustment with the angle between the blade with cooperation auxiliary assembly 28.
The auxiliary assembly 28 comprises a sliding block 281, a limit plate 282, a linkage rod 283, a first support pin 284, a second support pin 285, a second pointer 286 and a scale plate 287, wherein: the sliding block 281 is arranged in the arc-shaped chute 253 in a sliding manner, a limiting plate 282 for clamping the blade is uniformly arranged at the upper end of the sliding block 281 along the corner of the sliding block 281, the lower end of the sliding block 281 is connected with a linkage rod 283 which is arranged in the auxiliary chute 254 in a sliding manner, supporting spring rods 2831 are symmetrically arranged on the left and right of the outer wall of the linkage rod 283, and the tail ends of the supporting spring rods 2831 are connected with limiting blocks 2832 which are arranged in the limiting grooves 255 in a sliding manner; a first supporting pin 284 and a second supporting pin 285 are respectively arranged on the outer walls of the inner edges of the upper ends of the first supporting rod 25 and the second supporting rod 26, a second pointer 286 is arranged on the outer walls of the first supporting pin 284 and the second supporting pin 285, and a scale plate 287 is arranged on the inner side of the first supporting pin 284 on the upper end of the first supporting rod 25; during specific work, when an operator rotates the execution handle 24, the linkage roller 23 is matched with the first supporting rod 25 and the second supporting rod 26 to adjust the blades through the first adjusting groove 231 and the second adjusting groove 232, the first supporting rod 25 and the second supporting rod 26 are matched with the second pointer 286 and the scale plate 287 through the first supporting pin 284 and the second supporting pin 285 respectively in the period, so that the angles between the blades can be adjusted more accurately, after the adjustment is completed, the operator stirs the linkage rod 283, the linkage rod 283 is matched with the limit plate 282 through the sliding block 281 to adjust the blades according to a certain angle, and the blades which are adjusted are limited and fixed, so that the blades and the annular frame are welded through the matching execution unit 3.
The execution unit 3 comprises a support plate 31, an exhaust fan 32, a connecting pipe 33, an execution sucker 34, a shifting rod 35, a first pointer 36 and a welding assembly 37, wherein: the supporting plate 31 is arranged at the upper end of the annular cavity 12, the supporting plate 31 is arranged at the left end of the supporting column 13, the upper end of the supporting plate 31 is provided with a yielding groove 311 matched with the placing groove 251, two ends of the yielding groove 311 are provided with connecting grooves 312 matched with the sliding groove 252, the lower end of the yielding groove 311 is provided with a fan-shaped sliding groove 313, the outer side of the fan-shaped sliding groove 313 is bilaterally and symmetrically provided with adsorption holes 314 communicated with the connecting grooves 312, and the outer side wall of the supporting plate 31 is circumferentially and uniformly provided with scale marks 315 matched with the scale plate 287; the air exhauster 32 slides and sets up in fan-shaped spout 313, is connected with the connecting pipe 33 of setting in adsorption hole 314 along air exhauster 32 bilateral symmetry, and connecting pipe 33 end-to-end connection has execution sucking disc 34, and the air exhauster 32 lower extreme is provided with driving lever 35, is provided with pointer 36 No. one along driving lever 35 upper end outer fringe department, and welding assembly 37 sets up on a bracing piece 25 and No. two bracing pieces 26 upper end outer walls, welding assembly 37 includes positioning seat 371, push cylinder 372, ejector pad 373 and execution welder 374, wherein: the positioning seat 371 uses the placing groove 251 as a base point and is arranged on the outer walls of the upper ends of the first supporting rod 25 and the second supporting rod 26 in a bilateral symmetry manner, a pushing cylinder 372 is arranged on the inner side wall of the positioning seat 371, the tail end of a telescopic rod of the pushing cylinder 372 is connected with a pushing block 373, and an execution welding gun 374 is installed at the lower end of the pushing block 373.
When the welding gun device works specifically, the exhaust fan 32 is opened, the exhaust fan 32 is matched with the execution sucker 34 through the connecting pipe 33 to adsorb the annular frame, at the moment, an operator stirs the shift lever 35, the shift lever 35 is matched with the one-number pointer 36 and the scale mark 315 through the exhaust fan 32 and the connecting pipe 33 to drive the annular frame to rotate at a certain angle, after the rotation is completed, the exhaust fan 32 is closed, the operator resets the shift lever 35, at the moment, the pushing cylinder 372 is opened, the pushing cylinder 372 pushes the execution welding gun 374 to move inwards through the push block 373, and therefore the execution welding gun 374 conducts welding treatment on the adjusted blade and the annular frame; after the welding is finished, the operator continues to toggle the deflector rod 35, so that the annular frame and the blades are sequentially welded in the circumferential direction; after the work is finished, the pushing cylinder 372 drives the execution welding gun 374 to retract and reset through the pushing block 373, so that the processed impeller can be taken down conveniently.
The production and processing of the steam turbine impeller by using the steam turbine impeller production and manufacturing device comprises the following steps:
s1, starting device: the operator mounts the ring frames of the impellers in the sliding grooves 252 and the connecting grooves 312, then sequentially mounts the blades in the placing grooves 251, and starts the device.
S2, blade adjustment: an operator rotates the executing handle 24, the linkage roller 23 is driven to rotate through the executing handle 24, so that the linkage roller 23 drives the second support rod 26 to synchronously swing outwards in the circumferential direction through the first adjusting groove 231 and the second adjusting groove 232 in a matching mode, the first support rod 25 and the second support rod 26 are matched with the second pointer 286 and the scale plate 287 through the first support pin 284 and the second support pin 285 respectively to adjust the angle between the blades more accurately, after the adjustment is completed, the operator pulls the linkage rod 283, the linkage rod 283 is matched with the limit plate 282 through the sliding block 281 to adjust the blades according to a certain angle, and the adjusted blades are limited and fixed, so that the blades and the annular frame are welded through the matching executing unit 3.
S3, impeller welding: opening an exhaust fan 32, enabling the exhaust fan 32 to be matched with an execution sucker 34 through a connecting pipe 33 to adsorb the annular frame, then, shifting a shifting lever 35 by an operator, enabling the shifting lever 35 to be matched with a one-number pointer 36 and a scale mark 315 through the exhaust fan 32 and the connecting pipe 33 to drive the annular frame to rotate at a certain angle, closing the exhaust fan 32 after the rotation is completed, resetting the shifting lever 35 by the operator, opening a pushing cylinder 372 at the moment, and pushing the execution welding gun 374 to move inwards by the pushing cylinder 372 through a pushing block 373, so that the execution welding gun 374 performs welding treatment on the adjusted blade and the annular frame; after the welding is finished, the operator continues to toggle the deflector rod 35, so that the annular frame and the blades are sequentially welded in the circumferential direction; after the work is finished, the pushing cylinder 372 drives the execution welding gun 374 to retract and reset through the pushing block 373, so that the processed impeller can be taken down conveniently.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a steam turbine impeller production manufacturing process, this steam turbine impeller production manufacturing process adopts following steam turbine impeller production manufacturing installation, and steam turbine impeller production manufacturing installation includes base (1), adjusting element (2) and execution unit (3), its characterized in that: linkage groove (121) have been seted up to base (1) upper end right side longitudinal symmetry, and adjustment unit (2) slide to set up in linkage groove (121), and execution unit (3) are installed in base (1) upper end, wherein:
the base (1) comprises a base (11), an annular cavity (12) and a support column (13), wherein: the upper end of the base (11) is provided with an annular cavity (12), linkage grooves (121) are symmetrically formed in the front and back direction along the right side of the annular cavity (12), the right side of the front end of the annular cavity (12) is provided with a connecting hole (122), and the supporting column (13) is arranged on the outer wall of the upper end of the base (11);
the adjusting unit (2) comprises a bearing plate (21), a baffle plate (22), a linkage roller (23), an execution handle (24), a first supporting rod (25), a second supporting rod (26), a linkage pin (27) and an auxiliary component (28), wherein: the supporting plate (21) is arranged on the inner wall of the right end of the annular cavity (12), the front and back of the upper end of the supporting plate (21) are symmetrically provided with a baffle plate (22), a linkage roller (23) is arranged on the inner side wall of the baffle plate (22) in a sliding manner, a first adjusting groove (231) is formed in the linkage roller (23), a second adjusting groove (232) is formed in the outer wall of the linkage roller (23) in a front and back symmetrical manner by taking the first adjusting groove (231) as a basic point, the front end of the linkage roller (23) is connected with an execution handle (24) which is arranged in the connecting hole (122) in a sliding manner, the first supporting rod (25) is hinged on the outer wall of the right end of the supporting column (13), the second supporting rod (26) is hinged on the outer wall of the right end of the supporting column (13) in a front and back symmetrical manner by taking the first supporting rod (25) as a basic point, the inner sides of the lower ends of the first supporting rod (25) and the second supporting rod (26) are respectively connected with connecting rods (2311) which are arranged in the first adjusting groove (231) and the second adjusting groove (232) in a sliding manner, the outer sides of the lower ends of the first support rod (25) and the second support rod (26) are provided with linkage pins (27) which are arranged in the linkage grooves (121) in a sliding mode, a placing groove (251) used for placing impeller blades is formed in the upper ends of the first support rod (25) and the second support rod (26), sliding grooves (252) communicated with the placing groove are uniformly formed in the two ends of the placing groove (251), the lower end of the placing groove (251) is provided with an arc-shaped sliding groove (253), the lower end of the arc-shaped sliding groove (253) is provided with an auxiliary sliding groove (254) communicated with the arc-shaped sliding groove, limiting grooves (255) are uniformly formed in the circumferential direction of the inner wall of the auxiliary sliding groove (254) in a bilateral symmetry mode, and the auxiliary assembly (28) is arranged in the auxiliary sliding groove (254) in a sliding mode;
execution unit (3) include backup pad (31), air exhauster (32), connecting pipe (33), carry out sucking disc (34), driving lever (35), pointer (36) and welding subassembly (37), wherein: the supporting plate (31) is arranged at the upper end of the annular cavity (12), the supporting plate (31) is arranged at the left end of the supporting column (13), a yielding groove (311) matched with the placing groove (251) is formed in the upper end of the supporting plate (31), connecting grooves (312) matched with the sliding grooves (252) are formed in the two ends of the yielding groove (311), a fan-shaped sliding groove (313) is formed in the lower end of the yielding groove (311), adsorption holes (314) communicated with the connecting grooves (312) are formed in the outer side of the fan-shaped sliding groove (313) in a bilateral symmetry mode, the exhaust fan (32) is arranged in the fan-shaped sliding groove (313) in a sliding mode, connecting pipes (33) arranged in the adsorption holes (314) are connected in the bilateral symmetry mode along the exhaust fan (32), an execution sucking disc (34) is connected to the tail end of the connecting pipes (33), a lifting lever (35) is arranged at the lower end of the exhaust fan (32), a first pointer (36) is arranged at the outer edge of the upper end of the lifting lever (35), the welding assembly (37) is arranged on the outer walls of the upper ends of the first supporting rod (25) and the second supporting rod (26);
the production and processing of the steam turbine impeller by using the steam turbine impeller production and manufacturing device comprises the following steps:
s1, starting device: an operator installs the annular frame of the impeller on the device, then sequentially installs the blades on the device, and starts the device;
s2, blade adjustment: the angles between the blades are equidistantly adjusted through the adjusting unit (2), the inclination of the blades is adjusted according to a certain angle, and the blades are limited and fixed so as to be convenient for being matched with the executing unit (3) to weld the blades and the annular frame;
s3, impeller welding: the blade and the annular frame which are adjusted in the S2 are welded through the execution unit (3), and the annular frame is rotated and adjusted according to a certain angle after welding is completed, so that the blade and the annular frame are welded in sequence, and the processed impeller is collected.
2. The manufacturing process for producing a turbine impeller according to claim 1, wherein: the auxiliary assembly (28) comprises a sliding block (281), a limiting plate (282), a linkage rod (283), a first supporting pin (284), a second supporting pin (285), a second pointer (286) and a scale plate (287), wherein: the utility model discloses a vane clamping device, including the support rod (26), the support rod (26) that slide block (281) slides and sets up in arc spout (253), slide block (281) upper end evenly is provided with limiting plate (282) that are used for centre gripping blade along its corner, and slide block (281) lower extreme is connected with linkage rod (283) that slide setting in supplementary spout (254), a support pin (284) and No. two support pins (285) set up respectively on a support rod (25) and No. two support pins (26) upper end inner edge outer wall, and a support pin (284) and No. two support pin (285) outer wall are provided with No. two pointer (286), scale plate (287) sets up in a support rod (25) upper end a support pin (284) inboard.
3. The manufacturing process for producing a turbine impeller according to claim 1, wherein: the welding assembly (37) comprises a positioning seat (371), a pushing cylinder (372), a pushing block (373) and an execution welding gun (374), wherein: the positioning seat (371) is arranged on the outer walls of the upper ends of the first supporting rod (25) and the second supporting rod (26) in a bilateral symmetry mode by taking the placing groove (251) as a base point, a pushing cylinder (372) is arranged on the inner side wall of the positioning seat (371), the tail end of a telescopic rod of the pushing cylinder (372) is connected with a pushing block (373), and an execution welding gun (374) is installed at the lower end of the pushing block (373).
4. The manufacturing process for producing a turbine impeller according to claim 1, wherein: the execution handle (24) is of a Z-shaped structure which is convenient for stirring the linkage roller (23) to rotate in the circumferential direction.
5. The manufacturing process for producing a turbine impeller according to claim 1, wherein: the second adjusting groove (232) is a spiral structure groove used for being matched with the connecting rod (2311) to adjust the angle of the second supporting rod (26).
6. The manufacturing process for producing a turbine impeller according to claim 2, wherein: the linkage rod (283) outer wall is provided with support spring rods (2831) in bilateral symmetry, and the tail ends of the support spring rods (2831) are connected with limit blocks (2832) which are arranged in the limit grooves (255) in a sliding mode.
7. The manufacturing process for producing a turbine impeller according to claim 2, wherein: the outer side wall of the supporting plate (31) is circumferentially and uniformly provided with scale marks (315) matched with the scale plate (287).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011466499.7A CN112589307B (en) | 2020-12-14 | 2020-12-14 | Production and manufacturing process of steam turbine impeller |
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| Application Number | Priority Date | Filing Date | Title |
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| JPS5944953B2 (en) * | 1978-08-08 | 1984-11-02 | 三菱重工業株式会社 | Welding method for impeller blades and face plate |
| JPH06198443A (en) * | 1993-01-06 | 1994-07-19 | Mitsuya Soufuuki Seisakusho:Kk | Impeller automatic robot welding equipment for rotry machine |
| DE102008051933A1 (en) * | 2008-10-09 | 2010-04-15 | Mtu Aero Engines Gmbh | Holding device for holding at least one rotor blade and method for mounting a blade ring |
| CN202715972U (en) * | 2012-07-24 | 2013-02-06 | 安徽安风风机有限公司 | Tack-weld device for impeller blades of fan |
| CN206366776U (en) * | 2016-12-28 | 2017-08-01 | 江苏帝姆斯制冷设备有限公司 | Aial flow impeller welding equipment |
| CN206415807U (en) * | 2016-12-30 | 2017-08-18 | 河北国源电力设备有限公司 | A kind of assembly tooling of power industry steam turbine shroud band formula dividing plate leaf grating |
| CN106956103B (en) * | 2017-05-18 | 2018-08-07 | 安徽朗迪叶轮机械有限公司 | A kind of device for fan blade welding |
| CN207309280U (en) * | 2017-10-16 | 2018-05-04 | 吉安市御美丽健康产业股份有限公司 | The air-cooled refrigerator draught fan impeller welding blade device for positioning and securing of cosmetics |
| CN110000454A (en) * | 2018-01-05 | 2019-07-12 | 河南森源重工有限公司 | A kind of impeller welding positioning tool |
| CN208214697U (en) * | 2018-05-23 | 2018-12-11 | 洛阳美锐克机器人科技有限公司 | A kind of impeller automatically continuously welds Pneumatic precision positioning device |
| CN111015046A (en) * | 2018-10-10 | 2020-04-17 | 河南森源重工有限公司 | Wheel disc and blade connecting and positioning tool for fan impeller |
| CN111185711A (en) * | 2020-03-17 | 2020-05-22 | 安徽誉特双节能技术有限公司 | Moving blade welding device for steam turbine |
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