WO2015129580A1 - 動翼保持装置、動翼固定部材押込装置、回転機械の製造方法、組立方法、解体方法 - Google Patents
動翼保持装置、動翼固定部材押込装置、回転機械の製造方法、組立方法、解体方法 Download PDFInfo
- Publication number
- WO2015129580A1 WO2015129580A1 PCT/JP2015/054826 JP2015054826W WO2015129580A1 WO 2015129580 A1 WO2015129580 A1 WO 2015129580A1 JP 2015054826 W JP2015054826 W JP 2015054826W WO 2015129580 A1 WO2015129580 A1 WO 2015129580A1
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- WIPO (PCT)
- Prior art keywords
- blade
- moving blade
- rotor
- moving
- groove
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
- F01D5/3015—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type with side plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
- F01D25/285—Temporary support structures, e.g. for testing, assembling, installing, repairing; Assembly methods using such structures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/32—Locking, e.g. by final locking blades or keys
- F01D5/323—Locking of axial insertion type blades by means of a key or the like parallel to the axis of the rotor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
- F04D29/322—Blade mountings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/60—Assembly methods
- F05D2230/64—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/60—Assembly methods
- F05D2230/68—Assembly methods using auxiliary equipment for lifting or holding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/72—Maintenance
Definitions
- the present invention relates to a moving blade holding device for holding a moving blade on a rotor when the moving blade is attached to the rotor, a moving blade fixed member pushing device using the same, a method of manufacturing a rotating machine, a method of assembling a rotating machine and disassembly of the rotating machine On the way.
- moving blades are fixed to a rotor fixed to a rotating shaft, and the rotating shaft, the rotor and the moving blades rotate integrally.
- the rotary machine urges the moving blades outward in the radial direction of the rotating shaft, and a moving blade fixing member (push-up spring, blade root spring) for fixing the moving blades to the rotor comprises the moving blades and the rotor. It is inserted between (refer patent document 1).
- the rotary machine arranges a moving blade fixing member between the moving blade and the rotor, and pushes the moving blade outward in the radial direction of the rotating shaft, thereby stopping the rotating machine or rotating at a low rotation speed. On the other hand, it is possible to suppress that the moving blade moves inward in the radial direction of the rotation shaft.
- the moving blade fixing member is a member for fixing the moving blade to the rotor
- the moving blade is attached to the rotor in a movable state.
- the blade root portion on which the length of the circumferential direction of the rotating shaft varies with the radial position of the rotating shaft at the radially inner end of the rotating shaft corresponds to the blade root portion of the rotor Is engaged in the formed groove.
- the moving blade may move in the axial direction of the rotating shaft with respect to the rotor because the blade root moves in the axial direction of the rotating shaft and is inserted into the groove of the rotor. If the position of the moving blade with respect to the rotor deviates, the function as a rotary machine is affected, which is a problem.
- a push-up spring as described in Patent Document 1 is inserted between the turbine disk and the moving blade, the turbine disk and the moving blade receive a frictional force from the push-up spring, and a force is exerted to push in the axial direction.
- the turbine disk fixed to the shaft fixed to the bearing etc. does not move, but the moving blade not fixed to other members pushes up along the direction of the groove It moves with it, and the position with respect to a turbine disc may shift.
- the present invention solves the problems described above, and is capable of accurately holding the position of the moving blade relative to the rotor when the moving blade is attached to the rotor, and moving blade fixing member pressing using the moving blade holding device.
- a moving blade fixing member is provided in a gap between a blade groove provided along an axial direction on an outer peripheral surface of a rotor of a rotary machine and a moving blade inserted into the blade groove.
- a moving blade holding device for restricting movement of the moving blade in the direction of the blade groove when inserting the blade in the direction of the blade groove, wherein the moving blade fixing member among axial end faces provided on the rotor A first surface in contact with the axial end face on the side of inserting the second face, a second surface facing in the opposite direction to the first face and in contact with an axial end face provided on the moving blade, and a radial direction of the rotor A third surface which faces the outer side or the inner side and is in contact with at least one of the rotor and the moving blade to determine the radial position of the moving blade holding device, viewed from the direction of the blade groove
- the moving blade fixing member among axial end faces provided on the rotor A first surface in contact with the axial end face on the side of inserting the second face, a second surface facing in the opposite direction to the first face and in contact with an axial end face provided on the moving blade, and a radial direction of the rotor A third surface which faces the outer side or the inner
- a fourth surface that faces the radially outer side or the inner side of the rotor and faces in the opposite direction to the third surface, and that determines the radial position of the moving blade holding device, and the third surface It is preferable to further include a relative position change mechanism that changes the relative position in the radial direction with the fourth surface.
- the fourth surface is in contact with at least one of the rotor and the moving blade.
- the relative position change mechanism includes the first member.
- the second member is radially slidably supported.
- the second member is radially slidably supported.
- the relative position change mechanism includes the first member.
- the second member is rotatably supported in a plane perpendicular to the axial direction.
- At least a part of the outer edge has a shape that matches the shape of the blade groove or the moving blade.
- the present invention for achieving the above object is a moving blade fixing member pushing device, which holds the moving blade holding device described in any of the above and the moving blade fixing member in the direction of the blade groove. And an insertion jig.
- the moving blade fixing member is an elastic body compressed in the radial direction of the rotation shaft, and a through hole for inserting the moving blade fixing member is formed in the insertion jig in the direction of the blade groove,
- the through hole includes an inclined portion in which the dimension of the through hole in the radial direction of the rotation shaft decreases as going from the inlet to the outlet of the through hole, and the dimension of the outlet in the radial direction of the rotation shaft It is preferable that they are the same or smaller than the size of the gap.
- the said insertion jig is detachable with respect to the said moving blade holding
- the blade further includes a push rod for biasing the moving blade fixing member in the direction of the wing groove, and the push rod protrudes from an end surface in contact with the moving blade fixing member and the end surface, and the outer edge of the end surface It is preferable to provide the tip part arrange
- the present invention for achieving the above object is a method for manufacturing a rotary machine, comprising the steps of: inserting a moving blade into a blade groove provided along an axial direction on an outer peripheral surface of a rotor of the rotary machine; Attaching a moving blade holding device for restricting movement of the moving blade in the direction of the blade groove to the rotor, and inserting a moving blade fixing member in a direction of the blade groove into a gap between the blade groove and the moving blade And including steps.
- an insertion jig for guiding the insertion of the moving blade fixing member into the gap before the step of inserting the moving blade fixing member in the direction of the blade groove into the gap between the blade groove and the moving blade.
- the step of holding the moving blade fixing member, and the insertion jig holding the moving blade fixing member is opposed to the axial direction end face of the rotor or the moving blade on the side where the moving blade fixing member is inserted, And disposing the blade fixing member at a position facing the gap in the direction of the wing groove.
- a plurality of moving blade fixing members are serially inserted in the direction of the blade groove. Is preferred.
- the present invention to achieve the above object is a method of assembling a rotary machine, comprising the steps of: inserting a moving blade into a wing groove provided along an axial direction on an outer peripheral surface of a rotor of the rotary machine; Attaching a moving blade holding device for restricting movement of the moving blade in the direction of the blade groove to the rotor, and inserting a moving blade fixing member in a direction of the blade groove into a gap between the blade groove and the moving blade And including steps.
- the present invention for achieving the above object is a method for disassembling a rotary machine, comprising: a moving blade inserted in a blade groove provided along an axial direction on an outer peripheral surface of a rotor of the rotary machine; Removing a seal plate disposed between the rotor and a rotor holding device for restricting the movement of the rotor in the direction of the blade groove to the rotor; and in a gap between the rotor and the rotor Inserting a jig in the direction of the wing groove, and pushing out the moving blade fixing member in the direction of the wing groove.
- a blade fixing member inserted into a gap between a rotor and a moving blade engaging with the rotor and fixing the moving blade to the rotor is inserted into the gap
- a moving blade holding device for holding the moving blade with respect to the rotor, and in contact with a surface of the moving blade facing a surface of the rotor on which the moving blade fixing member is inserted;
- a second part connected directly or through another member to the first part and in contact with the surface of the rotor on which the blade fixing member is inserted, the first part and the second part A support connected to at least one of the parts directly or through another member, in contact with at least one of the rotor and the moving blade, and fixing a radial position of the rotation shaft;
- the said support part is a mechanism movable with respect to at least one of the said 1st part and the said 2nd part.
- the support portion moves in a direction perpendicular to the rotation axis with respect to the base fixed to at least one of the first portion and the second portion, and the base to move the rotor and the motion. It is preferable that it is a slide mechanism which has a movable part which touches the field which turned to the diameter direction outside of at least one rotation axis of a wing.
- the support portion rotates with a base fixed to at least one of the first portion and the second portion, and the base as a fulcrum, and a diameter of at least one rotation shaft of the rotor and the moving blade It is preferable that it is a rotation mechanism which has a movable part which contacts the surface which turned to the direction outside.
- first portion and the second portion be provided in an integrated rigid body.
- At least a part of the outer edge has a shape that matches the axial end surface shape of the groove of the rotor or the axial end surface shape of the moving blade.
- the support portion is in contact with a surface of at least one of the rotor and the moving blade facing radially outward of the rotation shaft.
- the moving blade fixing member pressing device for achieving the above object holds the moving blade holding device according to any of the above and the moving blade fixing member in the direction along the extension direction of the gap. And an insertion jig.
- the insertion jig is formed therein with a through hole into which the moving blade fixing member is inserted, and the through hole extends in a direction along the extension direction of the gap, and in the radial direction,
- the inlet at the end opposite to the gap side is larger than the external dimension of the moving blade fixing member, and the outlet at the end on the gap side is the same as the size of the inlet or smaller than the size of the inlet Is preferred.
- the dimension in the radial direction of the said outlet of the said through-hole is the same as the dimension of the said clearance gap, or smaller than the dimension of the said clearance gap.
- the said insertion jig is detachable with respect to either of the said moving blade holding
- the push rod for biasing the moving blade fixing member, and the push rod protrudes from the end surface on the end surface in contact with the moving blade fixing member and is disposed on the center side of the outer edge of the end surface It is preferred to have a tip that
- the present invention for achieving the above object is a blade fixing member inserted into a gap between a rotor and a moving blade engaging with the rotor and fixing the moving blade to the rotor with respect to the gap
- a moving blade holding member attaching / detaching method for attaching and detaching a moving blade holding member for holding the moving blade with respect to the rotor, wherein the moving blade holding device is attached with respect to the rotor and the moving blade.
- a moving blade fixing member is attached and detached.
- the moving blade holding device includes a first portion in contact with the surface of the moving blade facing the surface on the side where the moving blade fixing member of the rotor is inserted, and the first portion directly or other member Via a second part, and a second part in contact with the side of the rotor on which the blade fixing member is inserted, and at least one of the first part and the second part directly or through another member And a support portion connected to and in contact with a radially outward facing surface of at least one of the rotor and the rotating blade, and fixing the radial position of the rotating shaft;
- the extension of the gap to be inserted is open.
- a push rod is inserted into an insertion jig having a through hole corresponding to the gap, and the moving blade fixing member is biased via the push rod to attach and detach the moving blade fixing member.
- the position of the moving blade relative to the rotor can be accurately maintained when the moving blade is attached to the rotor, and the moving blade fixing member can be suitably inserted between the rotor and the moving blade.
- FIG. 1 is a perspective view showing a schematic configuration of a rotary machine.
- FIG. 2 is a perspective view showing the vicinity of the engagement portion between the moving blade and the rotor.
- FIG. 3 is a perspective view showing a schematic configuration of a blade root spring.
- FIG. 4 is a partial cutaway view of the rotary machine of FIG.
- FIG. 5 is a schematic view showing a schematic configuration of the pressing device of the present embodiment.
- FIG. 6 is a front view showing a state in which the moving blade holding device and the insertion jig are attached to the rotary machine.
- FIG. 7 is a front view showing a schematic configuration of the moving blade holding device and the insertion jig.
- FIG. 1 is a perspective view showing a schematic configuration of a rotary machine.
- FIG. 2 is a perspective view showing the vicinity of the engagement portion between the moving blade and the rotor.
- FIG. 3 is a perspective view showing a schematic configuration of a blade root spring.
- FIG. 8 is a side view showing a schematic configuration of a moving blade holding device and an insertion jig.
- FIG. 9 is a top view showing a schematic configuration of a moving blade holding device and an insertion jig.
- FIG. 10 is a front view showing a schematic configuration of a plate portion of the moving blade holding device.
- FIG. 11 is a side view showing a schematic configuration of a plate portion of the moving blade holding device.
- FIG. 12 is a front view showing a schematic configuration of the insertion jig.
- FIG. 13 is a top view showing a schematic configuration of the insertion jig.
- FIG. 14 is a cross-sectional view showing a schematic configuration of the insertion jig.
- FIG. 15 is a perspective view showing a schematic configuration of the push rod.
- FIG. 16 is a front view showing a schematic configuration of the push rod.
- FIG. 17 is a bottom view showing a schematic configuration of the push rod.
- FIG. 18 is a side view showing a schematic configuration of the push rod.
- FIG. 19 is a flowchart for explaining the operation of the moving blade fixing member attaching / detaching method.
- FIG. 20 is an explanatory view for explaining the operation of the moving blade fixing member attaching / detaching method.
- FIG. 21 is a flowchart for explaining the operation of the method of manufacturing the rotary machine.
- FIG. 22 is a flowchart for explaining the operation of the method of manufacturing a rotary machine.
- FIG. 23 is a flowchart for explaining the operation of the disassembling method of the rotary machine.
- FIG. 24 is a front view showing a state in which a moving blade holding device of another example is mounted on a rotary machine.
- FIG. 25 is a front view showing a schematic configuration of a moving blade holding device of another example.
- FIG. 26 is a side view showing a schematic configuration of a rotor blade holding device of another example.
- FIG. 27 is an explanatory view for explaining the operation of the moving blade fixing member attaching / detaching method using the moving blade holding device of another example.
- FIG. 28 is a side view showing a schematic configuration of a moving blade holding device of another example.
- FIG. 29 is a perspective view showing a schematic configuration of a moving blade holding device of another example.
- FIG. 30 is a side view showing a schematic configuration of a moving blade holding device of another example.
- FIG. 31 is a side view showing a schematic configuration of a moving blade holding device of another example
- FIG. 1 is a perspective view showing a schematic configuration of a rotary machine.
- FIG. 2 is a perspective view showing the vicinity of the engagement portion between the moving blade and the rotor.
- FIG. 3 is a perspective view showing a schematic configuration of a blade root spring.
- FIG. 4 is a partial cutaway view of the rotary machine of FIG.
- the direction perpendicular to the rotation axis of the rotary machine and passing through the rotation axis is the radial direction of the rotation axis
- the direction around the rotation axis is the circumferential direction of the rotation axis
- a direction parallel to the rotation axis Is the axial direction of the rotation axis.
- the rotary machine 10 shown in FIG. 1 is a gas turbine, a steam turbine, a compressor or the like, and has a rotor 12 which is a rotating shaft and a plurality of moving blades 14 mounted on the rotor 12.
- the plurality of moving blades 14 are mounted so as to radially extend from the outer peripheral portion of the rotor 12.
- the rotor 12 may connect a plurality of members or may be one member.
- the rotor 12 may have a structure in which a disk to which the moving blade 14 is fixed is fixed to the main shaft as an axis, or a structure in which the moving blade 14 is fixed to the surface of one member. That is, the rotor 12 may be a disk fixed to the main shaft.
- the moving blade 14 has a wing portion 22 forming a wing surface, and a wing root portion 24 provided at an end of the wing portion 22 on the rotor 12 side.
- the wing portion 22 is a plate-like member extending radially outward.
- the wing portion 22 has, for example, a streamlined cross-sectional shape and extends while being gradually twisted while securing this shape, and the tip portion extends to the inner wall surface side of the casing (member on the stationary side) There is.
- the wings 22 function to flow the working gas smoothly.
- the blade root portion 24 has a so-called “Christmas tree” shape as viewed in the axial direction, and can be fixed to the rotor 12 by fitting from the axial direction (the thickness direction of the rotor 12) It has become.
- blade grooves 28 having substantially the same shape as the cross-sectional shape of the blade root 24 of the moving blade 14 are formed along the axial direction at equal intervals in the circumferential direction.
- “formed along the axial direction” includes, in addition to those formed parallel to the axial direction, those formed inclined with respect to the axial direction. That is, the direction along the axial direction includes a direction parallel to the axial direction and a direction inclined with respect to the axial direction.
- the direction along the axial direction is divided into a component in the direction parallel to the axial direction and a component in the direction perpendicular to the axial direction, the component in the direction parallel to the axial direction is greater than the component in the direction orthogonal to the axial direction It also gets longer.
- the wing groove 28 of this embodiment is inclined with respect to the axial direction.
- the blade root portions 24 of the moving blades 14 are inserted from the axial direction and fixed to the respective blade grooves 28.
- a gap 30 is formed between the blade root 24 and the blade groove 28.
- the clearance 30 is formed at the radially inner end of the blade root 24.
- the gap 30 extends in a direction inclined with respect to the axial direction, similarly to the wing groove 28.
- the extending direction is inclined with respect to the axial direction, but the extending direction of the gap may be parallel to the axial direction.
- the gap 30, the blade groove 28, and the blade root 24 extend in the same direction.
- a blade root spring (moving blade fixing member) 18 is inserted into the gap 30.
- the blade root spring 18 is an elastic body that is compressed at least in a radial direction by being compressed, and pushes the moving blade 14 radially outward with respect to the rotor 12.
- the direction in which the blade root spring (moving blade fixing member) 18 is inserted is the same as the direction of the blade groove 28.
- the direction of the wing groove 28 in the present embodiment is a direction along the axial direction.
- the blade root spring 18 is a long leaf spring in which the extension direction of the gap 30 is the longitudinal direction, and the blade contact surface 52 in contact with the blade root 24 and the rotor contact surface 56 in contact with the blade groove 28; Have.
- the blade root spring 18 is formed by bending a single plate, and the shape of the cut surface cut in the direction orthogonal to the longitudinal direction is such that the opening 58 is formed on the surface on the lower side in the radial direction, It becomes letter shape.
- a pair of rotor contact surfaces 56 sandwiching the opening 58 and a blade contact surface 52 disposed substantially parallel to the rotor contact surface 56 have a curved shape. It is integrally formed via the side surface 57.
- the moving blade contact surface 52 has a shape in which three curved portions are connected.
- the moving blade 14 has a protruding portion that protrudes in the axial direction and extends in the circumferential direction on the axial end surface radially outward of the blade root portion 24, and the diameter of the protruding portion
- the wing groove 32 is formed on the inner surface in the direction.
- the rotor 12 has a convex portion axially projecting on the axial end face radially inward of the wing groove 28 and extending in the circumferential direction, and the rotor side groove 34 is formed on the radially outer surface of the convex portion ing.
- the blade-side groove 32 is formed radially outside the axial end face of the region where the blade root 24 and the blade groove 28 overlap, and the rotor-side groove 34 is formed radially inward.
- the rotor side grooves 34 face each other.
- a seal mechanism 19 is disposed at a portion where the moving blades 14 are attached to the rotor 12, that is, an axial end face of an engagement portion between the moving blades 14 and the rotor 12.
- the radially outer end of the seal mechanism 19 is inserted into the blade groove 32, and the radially inner end is inserted into the rotor groove 34.
- the sealing mechanism 19 is a plate-like member, and the radially outer end is inserted into the blade groove 32 to be in contact with the moving blade 14 and the radially inner end is inserted to the rotor groove 34 to be in contact with the rotor 12
- the space between the moving blade 14 and the rotor 12 is closed, and the inflow of working gas (combustion gas, exhaust gas, steam) flowing through the rotary machine 10 into the gap 30 in the engagement portion between the moving blade 14 and the rotor 12 is suppressed.
- the seal mechanism 19 has a seal plate 40, a lock plate 42 and a lock piece 44.
- the seal plate 40 is a plate that covers the engagement portion, and the radially outer end portion is inserted into the blade-side groove 32.
- the radially outer end of the lock plate 42 is in contact with the seal plate 40, and the radially inner end is in contact with the rotor groove 34.
- the lock plate 42 is inserted between the rotor groove 34 and the seal plate 40 to press the seal plate 40 against the blade groove 32.
- the lock piece 44 is inserted into an axial gap between the lock plate 42 and the rotor groove 34 to fix the lock plate 42 to the rotor groove 34.
- the seal mechanism 19 inserts the lock plate 42 between the seal plate 40 and the rotor groove 34 after inserting the seal plate 40 into the blade groove 32. Thereafter, the seal mechanism 19 fixes the lock plate 42 to the rotor side groove 34 with the lock piece 44 to fix the seal plate 40 and the lock plate 42 between the wing side groove 32 and the rotor side groove 34.
- the clearance at the engagement portion with the rotor 12 is closed from the side in the axial direction.
- the rotary machine 10 has various mechanisms on the stator side and moving blades of other stages. , Rotary shaft, etc. are provided with various configurations provided in the rotary machine.
- FIG. 5 is a schematic view showing a schematic configuration of the pressing device of the present embodiment.
- FIG. 6 is a front view showing a state in which the moving blade holding device and the insertion jig are attached to the rotary machine.
- FIG. 7 is a front view showing a schematic configuration of the moving blade holding device and the insertion jig.
- FIG. 8 is a side view showing a schematic configuration of a moving blade holding device and an insertion jig.
- FIG. 9 is a top view showing a schematic configuration of a moving blade holding device and an insertion jig.
- the pushing device 100 is a device used when attaching or detaching the blade root spring 18 to the gap 30 between the rotor 12 and the moving blade 14 described above. Specifically, the pushing device 100 moves the moving blade 14 along the axial direction 90 with respect to the rotor 12 to engage the blade root 24 and the blade groove 28, and then the blade root spring in the gap 30. It is used when inserting 18.
- the pressing device 100 is used when removing the seal mechanism 19 from the rotary machine 10 and removing the blade root spring 18 from the gap 30. Therefore, the pushing device 100 is used in a state where the sealing mechanism 19 is not installed.
- two blade root springs 18 a and 18 b are arranged in series along the axial direction 90 of the rotation shaft in the gap 30.
- the number connected in series along the axial direction 90 of the rotation axis of the blade root spring 18 (in the extending direction 109 of the gap 30) is not particularly limited.
- the pressing device 100 includes a moving blade holding device 102, two insertion jigs 104, a push rod 106, and a pressing device 108.
- the moving blade holding device 102 holds the moving blades 14 with respect to the rotor 12, and regulates the position in the axial direction 90 of the rotation axis of the moving blades 14.
- the moving blade holding device 102 of the present embodiment is a member disposed in a range including two gaps 30 in the circumferential direction 92 of the rotation shaft.
- the insertion jig 104 is disposed corresponding to the gap 30.
- the insertion jig 104 assists the blade root springs 18 a and 18 b inserted into the gap 30.
- the push rod 106 is a rigid rod in contact with any of the blade root springs 18a and 18b, and transmits the force applied from the pressing device 108 to the blade root springs 18a and 18b.
- the push rod 106 is an adjusting jig for adjusting the distance between the blade root springs 18 a and 18 b and the pressing device 108.
- the pressing device 108 is a device such as a hydraulic cylinder that presses the blade root springs 18a and 18b in a predetermined direction.
- FIG. 10 is a front view showing a schematic configuration of a plate portion of the moving blade holding device.
- FIG. 11 is a side view showing a schematic configuration of a plate portion of the moving blade holding device.
- the blade holding device 102 includes a plate portion 110, a support portion 112, a magnet 114, and a wire 116.
- the plate portion 110 is a first member
- the support portion 112 is a second member.
- the length in the radial direction 94 of the rotation shaft is shorter than the distance from the bottom surface of the blade-side groove 32 to the bottom surface of the rotor-side groove 34, and the length 92 in the circumferential direction 92 of the rotation shaft It is a plate longer than the distance, that is, longer than the arrangement pitch of the moving blades 14.
- the outer peripheral end 120 which is the radial end of the rotation shaft is inserted into the blade-side groove 32, and the inner peripheral end 122 which is the inner end of the rotation shaft 94 in the radial direction 94. Are inserted into the rotor groove 34.
- the plate portion 110 is formed with an opening 124 at a portion overlapping with the gap 30 in use. Since the plate portion 110 of the present embodiment overlaps the two gaps 30, two openings 124 are formed. In the opening 124, the opening area is larger than the gap 30, and the insertion jig 104 is inserted.
- the plate portion 110 is provided with a protrusion 126 on the surface opposite to the surface facing the blade root portion 24 and the blade groove 28 in use.
- the projection 126 serves as a grip that is gripped by the operator when adjusting the position of the plate 110 at the time of use.
- the projection 126 which is a gripping part is not limited to being grasped by the operator by hand, and the plate part may be brought into contact with a tool such as a driver or chisel, or held by a tool such as pliers.
- the position 110 can also be moved to adjust the position.
- the protrusion 126 has a hole into which the wire 116 is inserted.
- the plate portion 110 is one end side in the circumferential direction when viewed in the axial direction 90, and a reference end surface 128 is formed on a surface extending along the axial direction 90, and the circumferential portion is viewed in the axial direction.
- a reference end face 129 is formed on the other end side and a surface extending along the axial direction 90.
- connection hole 130 is opened in the vicinity of the end in the circumferential direction.
- the connection hole 130 is a hole into which the support portion 112 is inserted.
- the support portion 112 has a pivoting portion 140 and a fulcrum 142.
- the support portion 112 serves as a relative position changing mechanism.
- the rotation unit 140 is a rod-like member.
- the end of the turning portion 140 in the extending direction is a curved surface. Thereby, it is possible to prevent the pivoting portion 140 from damaging the other members, and it is possible to make the pivoting easier, and the end portion can be easily brought into contact with the target member.
- the fulcrum 142 is a thumbscrew inserted into the connection hole 130 of the plate portion 110, and supports the pivoting portion 140 in a rotatable state.
- the fulcrum 142 can apply a tightening force to the pivoting portion 140 by turning and tightening a thumb screw, and the pivoting portion 140 can be fixed to a desired position with respect to the plate portion 110. .
- the magnet 114 is connected to the plate portion 110 via the wire 116.
- the wire 116 is inserted into a hole formed in the projection 126 of the plate 110 to connect the plate 110 and the magnet 114.
- the moving blade holding device 102 adheres the magnet 114 to the peripheral metal such as the moving blade 14 or the rotor 12 at the time of use, so that it does not fall into the rotary machine 10 even if the operator accidentally drops the plate portion 110 You can do so.
- since it is the magnet 114 attachment or detachment becomes easy.
- the moving blade holding device 102 inserts the outer peripheral end 120 of the plate portion 110 into the blade-side groove 32, and the rotating portion 140 of the support portion 112 constitutes the rotor-side groove 34 of the rotor 12 (In other words, the radial position of the plate portion 110 is fixed by bringing it into contact with the radially outward end surface of the radially extending portion). Therefore, the plate portion 110 is fixed between the moving blade 14 and the rotor 12 in a state where the outer peripheral end portion 120 is inserted into the blade side groove 32. Further, as shown in FIG. 6, the plate portion 110 covers a portion other than the gap 30 in the region in which the blade root portion 24 and the blade groove 28 are disposed. Further, the plate portion 110 faces the blade root portion 24 and the blade groove 28.
- the moving blade holding device 102 more specifically moves in the axial direction (that is, the moving blade is fixed) when the moving force of moving the moving blade 14 along the axial direction acts on the rotor 12. If a force that moves from the end where the blade holding device 102 is installed to the opposite end in the direction in which the blade insertion device is inserted) acts on the moving blade 14 in the direction in which the members are inserted
- the surface of the blade-side groove 32 of the moving blade 14 facing the end face of the rotor 12 contacts the plate portion 110.
- the surface of the outer peripheral side end 120 not facing the end surface of the rotor 12 is a blade contact portion (The first part) 131
- a blade contact portion (The first part) 131
- the portion of the plate portion 110 facing the blade groove 28 of the rotor 12 is a rotor contact portion (second portion) 132.
- the surface contacting the rotor of the rotor contact portion 132 of the plate portion 110 is a first surface 133.
- a surface of the blade contacting portion 131 of the plate portion 110 in contact with the moving blade 14 is a second surface 134.
- the first surface 133 is a surface that contacts the axial end surface of the axial end surface provided on the rotor 12 on the side where the blade root spring 18 is inserted.
- the second surface 134 is a surface that faces in the opposite direction to the first surface 133 and contacts an axial end surface provided on the moving blade 14.
- the blade contact portion 131 of the plate portion 110 is in contact with the blade 14 and the rotor contact portion 132 is in contact with the rotor 12, that is, the first surface 133 is in contact with the rotor 12.
- the plate portion 110 Since the plate portion 110 is supported by the rotor 12 at the rotor contact portion 132 even when the blade 14 tries to move further along the axial direction by the two surfaces 134 coming into contact with the blade 14, the plate portion 110 is It can not move. Thereby, the movement of the moving blade 14 in the direction along the axial direction can be suppressed, and the moving blade 14 is held at a predetermined position with respect to the rotor 12.
- the end face of the outer peripheral side end portion 120 of the rotor blade holding device 102 is the third surface 135, and the end surface of the rotating portion 140 in the radial direction 94 of the rotating portion 140 is the fourth surface 136.
- the blade holding device 102 positions the radial direction 94 of the blade holding device 102 by the third surface 135 and the fourth surface 136.
- the third surface 135 is in contact with the blade-side groove 32 and the fourth surface 136 is in contact with the rotor 12 so that the position in the radial direction 94 is fixed.
- the third surface 135 is a surface facing the radially outer side or the inner side of the rotor 12 and is in contact with at least one of the rotor 12 and the moving blade 14 to position the moving blade holding device 102 in the radial direction.
- the fourth surface 136 is a surface facing the radially outer side or the inner side of the rotor 12, and is directed in the opposite direction to the third surface 135, and the radial position of the moving blade holding device 102 is It is a defined side.
- the radially outer surface is the third surface 135, and the radially inner surface is the fourth surface 136.
- the third surface 135 and the fourth surface 136 may be reversed. . Moreover, it is preferable that the moving blade holding device 102 is in contact with the surface of the rotor 12 or the moving blade 14 in which both the third surface 135 and the fourth surface 136 face in the radial direction, but is not limited thereto.
- the moving blade holding device 102 can fix the radial position as long as only one of the third surface 135 and the fourth surface 136 is in contact with the radially facing surface of the rotor 12 or the moving blade 14. . That is, in the moving blade holding device 102, a gap may be provided between the third surface 135 and the surface of the rotor 12 or the moving blade 14 in which the other of the fourth surface 136 faces in the radial direction.
- FIG. 12 is a front view showing a schematic configuration of the insertion jig.
- FIG. 13 is a top view showing a schematic configuration of the insertion jig.
- FIG. 14 is a cross-sectional view showing a schematic configuration of the insertion jig.
- FIG. 14 is a view on arrow AA of FIG.
- the insertion jig 104 is connected to the magnet 146 via the wire 148 in the same manner as the blade holding device 102.
- the insertion jig 104 adheres the magnet 146 to the metal of the moving blade 14 or the rotor 12 at the time of use, so that it can be prevented from falling inside the rotary machine 10 even if the operator drops the insertion jig 104. Further, the insertion jig 104 can be recovered by feeding the wire 148.
- the wire 148 can be passed through the hole of the projection 126 of the blade holding device 102 so that the magnet 146 and the insertion jig 104 do not separate from the blade holding device 102.
- the insertion jig 104 is a cylindrical member in which the outer shape of the outer edge 150 is substantially the same as or slightly smaller than the opening 124 of the moving blade holding device 102 and in which the opening 152 is formed.
- an inlet 154 which is a surface on the side (the side not facing the gap 30) into which the blade root spring 18 is inserted during use, is a surface orthogonal to the cylindrical extending direction.
- an outlet 156 which is a surface on the side (a side facing the gap 30) from which the blade root spring 18 is discharged in use is a surface inclined with respect to the extending direction of the cylindrical shape. Specifically, as shown in FIG.
- the opening 152 is inclined when the end on the outlet 156 side is viewed in the circumferential direction. That is, in the insertion jig 104, the outlet 156 is inclined with respect to the inlet 154. Further, the insertion jig 104 is provided with a tapered portion (inclined portion) 158 at the end face of the opening 152 on the inlet 154 side. The insertion jig 104 has a tapered portion 158 at its end face, and the opening area of the opening 152 is increased at a higher rate at the end on the inlet 154 side than at other portions, thereby inserting a push rod 106 described later from the inlet 154 It will be easier. In addition, the end of the opening 152 may be inclined also when viewed from the radial direction.
- the diameter of the opening 152 is smaller at the outlet 156 than at the inlet 154. That is, the aperture 152 is formed with a stop. Further, the opening 152 is formed with a projection 160 at a position facing the opening 58 of the blade root spring 18 in use.
- the insertion jig 104 inserts the blade root spring 18 into the opening 152.
- the insertion jig 104 can support the blade root spring 18 in a predetermined direction with respect to the gap 30 by inserting the outer edge 150 into the opening 124 of the blade holding device 102.
- the insertion jig 104 extends the gap 30 when the insertion jig 104 is installed in the opening 124 by setting the direction of the outlet 156 with respect to the extension direction of the opening 152 to be the direction corresponding to the extension direction 109 of the gap 30.
- the extending direction of the opening 152 can be made to coincide with the existing direction 109.
- the extension direction 109 of the gap 30 and the insertion direction of the blade root spring can be matched.
- the insertion jig 104 can compress the blade root spring 18 and push it out from the outlet 156 side because the opening area on the outlet 156 side of the opening 152 is smaller than the inlet 154 side.
- the blade root spring 18 can be easily inserted into the gap 30.
- the opening area of the opening 152 on the outlet 156 side be smaller than the opening area of the gap 30. Thereby, the blade root spring 18 can be easily inserted into the gap 30.
- the insertion jig 104 preferably has the opening area of the inlet 154 and the outlet 156 of the opening 152 in the above relationship, but is not limited thereto.
- the insertion jig 104 has the above-mentioned relationship between the radial dimension of the inlet 154 of the opening 152 and the radial dimension of the outlet 156, that is, the radial dimension of the outlet 156 of the opening 152 is larger than the radial dimension of the inlet 154.
- the shape may be small. As described above, the insertion jig 104 can obtain the above effect by forming the opening 152 in a tapered shape.
- the insertion jig 104 makes the opening area of the exit 156 of the opening 152, and the clearance gap 30 the said relationship, it is not limited to this.
- the radial dimension of the outlet 156 of the opening 152 and the radial dimension of the gap 30 have the above relationship, that is, the radial dimension of the gap 30 is smaller than the radial dimension of the outlet 156. It is also good. It is preferable to make the other smaller than the other, but it is also possible to make insertion easier by making the relationship of the open area and the size in the above relation smaller than the other.
- FIG. 15 is a perspective view showing a schematic configuration of the push rod.
- FIG. 16 is a front view showing a schematic configuration of the push rod.
- FIG. 17 is a bottom view showing a schematic configuration of the push rod.
- FIG. 18 is a side view showing a schematic configuration of the push rod.
- the push rod 106 is formed of a rigid body such as metal and has a rod-like base 170 and a tip 172 provided at the tip of the base 170.
- the base portion 170 has a pillar shape whose end face is larger than the blade root spring 18, smaller than the opening 152, and whose cross-sectional shape does not basically change.
- the tip end portion 172 is a protrusion provided on the end surface 175 of the base portion 170.
- the tip end portion 172 is a columnar member which is provided on the inner side of the outer edge of the end face by a predetermined distance and extends in the extending direction of the base portion 170.
- the base 170 is provided with a guide groove 174 at a position corresponding to a part of the side surface, specifically, the protrusion 160 of the opening 152 of the insertion jig 104.
- the guide groove 174 is formed in a straight line along the extending direction of the base 170.
- the base 170 is provided with a screw hole 176 on the side opposite to the side on which the guide groove 174 is provided.
- the end surface 175 of the base 170 provided with the tip end portion 172 is in contact with the blade root spring 18, and the opposite end surface is in contact with the pressing device 108.
- the force pushes the blade root spring 18. Since the push rod 106 is provided with the tip end portion 172, when the push rod 106 is inclined with respect to the blade root spring 18, the tip end portion 172 contacts the blade root spring 18. As a result, it is possible to make the blade root spring 18 less likely to come off with respect to the push rod 106.
- the push rod 106 can be made difficult to abut on the projection 160 of the insertion jig 104 by providing the tip end portion 172 inside the outer edge of the end surface 175 by a predetermined distance. Further, by providing the guide groove 174, the push rod 106 is in a state where the protrusion 160 is inserted in the guide groove 174, and the push rod 106 is inclined with respect to the insertion jig 104 with respect to the extending direction 109 of the gap 30. It is possible to suppress movement in the direction. Further, by providing the screw holes 176, the support for supporting the push rod 106 can be fixed to the push rod 106 at the time of insertion.
- FIG. 19 is a flowchart for explaining the operation of the moving blade fixing member attaching / detaching method.
- FIG. 20 is an explanatory view for explaining the operation of the moving blade fixing member attaching / detaching method.
- the blade root springs 18 (18a, 18b) are inserted into the insertion jig 104 (step S12). Specifically, by inserting the blade root spring 18 from the inlet 154 side of the opening 152 of the insertion jig 104, the outer edge of the blade root spring 18 is brought into contact with the inner peripheral surface of the opening 152, and the blade root spring 18 is inserted jig Insert in 104 Next, the blade root spring 18 is pushed into the opening 152 by tapping the end not inserted into the opening 152 in the extension direction of the blade root spring 18 with a hammer or the like.
- the moving blade holding device 102 is attached to the rotor 12 and the moving blades 14 (step S14). Specifically, the plate portion 110 of the moving blade holding device 102 is inserted between the blade side groove 32 and the rotor side groove 34, and the unevenness of the reference end surfaces 128 and 129 and the unevenness of the rotor 12 and the moving blades 14 are touched. Adjust the circumferential position while watching. When the concavities and convexities of the reference end surfaces 128 and 129 and the concavities and convexities of the rotor 12 and the moving blade 14 coincide with each other, the pivoting portion 140 of the support portion 112 is rotated to abut the pivoting portion 140 against the rotor 12 and fixed.
- step S12 and step S14 may be reversed. That is, the blade root spring 18 may be inserted into the insertion jig 104 after the blade holding device 102 is attached to the rotor 12 and the blade 14.
- the insertion jig 104 is installed in the gap 30 between the moving blade 14 and the rotor 12 (step S16). That is, the insertion jig 104 is inserted into the opening 124 of the moving blade holding device 102.
- the blade fixing member attaching / detaching method is such that after inserting the insertion jig 104 into which the blade root spring 18 is inserted into the opening 124 of the blade holding device 102, the blade holding device 102 is attached to the rotor 12 and the blade 14. May be Next, it is pressed by the pressing device 108 (step S18).
- the pressing portion of the pressing device 108 is brought into contact with the end opposite to the side of the blade root spring 18 inserted into the insertion jig 104, and the blade root spring 18 is pushed into the gap 30 by the pressing device 108. .
- the push rod 106 is installed between the pressing device 108 and the blade root spring 18 (step S20). That is, as shown in FIG. 20, the push rod 106 is installed between the blade root spring 18 and the pressing device 108, and the force of the pressing device 108 is transmitted to the blade root spring 18 via the push rod 106. Thereby, the stroke of the pressing device 108 can be shortened. Also, the degree of freedom in the shape of the portion of the pressing device 108 in contact with the push rod 106 and the blade root spring 18 can be increased. That is, since it is not necessary to insert the tip of the pressing device 108 into the insertion jig 104, it is not necessary to make the tip small.
- the pressing device 108 may support the pressing rod 106 with respect to the pressing device 108 by the support mechanism 180.
- the support mechanism 180 is inserted into the screw hole 176 of the push rod 106.
- the support mechanism 180 is supported movably in the direction parallel to the insertion direction 182 with respect to the main body of the pressing device 108.
- the support mechanism 180 may not be inserted into the screw hole 176 of the push rod 106, and may have a hole into which the push rod 106 is inserted, and may be supported so as to be movable in a direction parallel to the insertion direction 182. In this case, the support mechanism 180 may be fixed to the pressing device 108.
- step S22 it is pressed by the pressing device 108 (step S22).
- the blade root spring 18 is pushed into the gap 30 by the pushing device 108 via the push rod 106.
- the pressing device 108 pushes the entire area of the blade root spring 18 to a position where it is inserted into the gap 30.
- step S24 it is determined whether the blade root spring is to be further inserted into the same gap 30 (step S24), that is, it is determined whether there is the next blade root spring. If there is the next blade root spring (Yes in step S24), the process returns to step S12 and repeats the same processing. In this case, the processing of step S14 may be omitted with the blade holding device attached.
- step S24 no next blade root spring (No in step S24), that is, when the insertion of the blade root spring into the gap 30 is completed, the present process is ended.
- the blade root spring 18 is described as being inserted into the gap 30.
- the pressing device 100 can also be pulled out.
- the pushing rod 106 is used to push the blade root spring 18 inserted in the gap 30 so that the clearance 30 on the end surface opposite to the pushing end surface. And the blade root spring 18 can be removed.
- the push rod 106 uses one smaller than the gap 30.
- the insertion jig 104 may or may not be used.
- the present embodiment mounts the moving blade holding device 102 between the moving blades 14 and the rotor 12.
- the blade of the plate portion 110 The contact portion 131 and the moving blade 14 are in contact with each other, and the rotor contact portion 132 and the rotor 12 are in contact with each other.
- the moving blade 14 can not move in the direction pushed by the blade root spring 18 by the plate portion 110 supported by the rotor 12.
- the blade root spring 18 can be inserted into the gap 30 while suppressing the movement of the moving blade 14 in the axial direction.
- the blade holding device 102 By using the blade holding device 102 and suppressing the movement of the blade 14 in the direction along the axial direction of the rotation axis, the blade root spring 18 can be inserted while adjusting the position of the blade 14. It is not necessary to adjust the position of the moving blade 14 after the insertion.
- the blade holding device 102 has a simple structure and can be easily removed. Moreover, since the moving blade holding
- the amount (stroke) of pushing the blade root spring 18 can be shortened, so a space for installing the pressing device 100 can be obtained. It can be made smaller. Further, since the blade root spring 18 can be shortened, it can be stably inserted into the gap 30.
- the moving blade fixing member attaching method can also be used as a manufacturing method of a rotary machine.
- the manufacturing method of a rotary machine may manufacture a rotary machine by methods other than the moving blade fixing member attachment or detachment method mentioned above using a moving blade holding
- FIG. 21 is a flowchart for explaining the operation of the method of manufacturing the rotary machine.
- the manufacturing method of the rotary machine shown in FIG. 21 is a process after forming a blade groove in the rotor 12 and preparing each component such as the moving blade 14 and the blade root spring 18 and a tool for operation.
- the moving blade 14 is inserted into a blade groove 28 provided along the axial direction on the outer peripheral surface of the rotor 12 of the rotary machine 10 (step S32).
- the moving blade holding device 102 is mounted (step S34). Specifically, a blade holding device 102 is attached to the rotor 12 for restricting the movement of the blade 14 in the direction of the wing groove 28.
- the blade root spring 18 is inserted into the gap 30 between the blade groove 28 and the moving blade 14 in the direction of the blade groove 28 (step S36).
- the blade root spring 18 is inserted into the gap 30 in a state in which the movement of the moving blade 14 in the direction of the blade groove 28 is restricted by using the moving blade holding device 102. It is not necessary to insert the blade root spring 18 while adjusting the position, or to adjust the position of the moving blade 14 after inserting the blade root spring. This can improve the workability and make the manufacture of the rotary machine easier.
- FIG. 22 is a flowchart for explaining the operation of the method of manufacturing a rotary machine.
- the blade groove is formed in the rotor 12, and each component such as the moving blade 14 and the blade root spring 18 and for work It is a process after preparing a tool.
- the moving blade 14 is inserted into a blade groove 28 provided along the axial direction on the outer peripheral surface of the rotor 12 of the rotary machine 10 (step S42).
- the moving blade holding device 102 is mounted (step S44). Accordingly, by mounting the moving blade holding device 102, the moving blades 14 are suppressed from moving in the direction of the blade groove 28 with respect to the rotor 12.
- the blade root spring 18 is held by the insertion jig 104 (step S46). That is, the blade root spring 18 is inserted into the opening of the insertion shaft 104. Thereafter, the insertion jig 104 is disposed at a position where the blade root spring 18 faces the gap 30 (step S48).
- the insertion jig 104 holding the blade root spring 18 is opposed to the axial end face of the rotor 12 or the moving blade 14 on the side into which the blade root spring 18 is inserted, and is opposed to the gap 28 in the direction of the blade groove 28
- the blade root spring 18 is disposed at the position where Thereafter, the blade root spring 18 inserted into the insertion jig 104 is inserted into the gap 30 between the blade groove 28 and the moving blade 14 in the direction of the blade groove 28 (step S50).
- the relative position between the rotor 12 and the moving blade 14 in the direction of the blade groove is suppressed by the moving blade holding device, and the blade root spring 18 is held by the insertion jig 104 and the blade root spring 18 is inserted.
- Workability can be improved, and manufacturing of the rotary machine can be made easier.
- the method of attaching and detaching the moving blade fixing member using the above-described pressing device 100 can be used not only at the time of manufacturing the rotary machine but also as an assembling method of the rotary machine.
- the method of assembling the rotary machine can be used when disassembling the rotary machine after maintenance or the like and then assembling, or at the time of manufacturing the rotary machine. Further, the steps of the method of assembling the rotary machine can be realized by the same steps as the method of manufacturing the rotary machine.
- the method of attaching and detaching the moving blade fixing member using the above-described pressing device 100 can also be used as a method of disassembling the rotary machine.
- the disassembling method of the rotary machine can be used when disassembling the rotary machine to be discarded when the rotary machine is disassembled for maintenance or the like.
- FIG. 23 is a flowchart for explaining the operation of the disassembling method of the rotary machine.
- the seal plate 40 of the seal mechanism 19 disposed between the rotor 12 and the moving blade 14 is removed (step S62).
- the blade holding device 100 is mounted (step S64). Specifically, the moving blade holding device 100 is attached to the rotor 12 and the moving blades 14.
- a jig is inserted into the gap 30 between the rotor 12 and the moving blade 14 in the direction of the blade groove 28 and the blade root spring 18 is pushed out in the direction of the blade groove 28 to remove the blade root spring 18 (step S66). .
- the moving blade 14 is removed from the rotor 12 (step S68).
- the blade root spring 18 is removed from the gap 30 in a state in which the movement of the moving blade 14 in the direction of the blade groove 28 is restricted using the moving blade holding device 102. It is not necessary to remove the blade root spring 18 while adjusting the position of the moving blade 14. As a result, the workability can be improved, and disassembly of the rotary machine can be made easier.
- the blade root spring 18 is used as the moving blade fixing member.
- the moving blade 14 is fixed to the rotor 12, and the moving blade 14 and the rotor are arranged along the axial direction. It may be a member to be inserted between 12 and 12. Further, the gap 30 into which the blade fixing member is inserted is not limited to between the blade root 24 and the blade groove 28 and may be between the moving blade 14 and the rotor 12.
- the moving blade holding device 102 is not limited to the above embodiment.
- the first surface 133, the second surface 134, and the third surface 135 are provided on the plate portion 110 which is the first member, and the fourth surface is provided on the support portion 112 which is the second member. Although provided, it is not limited to this.
- the moving blade holding device 102 is open in the region where the blade root spring (moving blade fixing member) 18 or the push rod 106 passes at the time of attachment and detachment, the members do not overlap, and are supported by at least one of the moving blades 14 and the rotor 12
- the blade contact portion 131 having the second surface 134 and the rotor contact portion 132 having the first surface 133 may be provided.
- the blade holding device 102 is coupled to the blade contact portion 131 in contact with the surface facing the insertion end face of the moving blade fixing member of the rotor 12 of the rotor 12 in the interlockingly moving part.
- the rotor 12 is provided with a second surface 134 and a rotor contact portion 132 in contact with the end surface of the rotor 12 on the insertion side of the moving blade fixing member, specifically the first surface 133.
- the acting force can be received to suppress the movement of the moving blade 14.
- maintenance apparatus 102 can fix the position of radial direction by providing the 3rd surface 135 and the 4th surface 136, you may provide only any one surface.
- the radially outer surface is the third surface 135, and the radially inner surface is the fourth surface 136, but may be reversed.
- FIG. 24 is a front view showing a state in which a moving blade holding device of another example is mounted on a rotary machine.
- FIG. 25 is a front view showing a schematic configuration of a moving blade holding device of another example.
- FIG. 26 is a side view showing a schematic configuration of a rotor blade holding device of another example.
- FIG. 27 is an explanatory view for explaining the operation of the moving blade fixing member attaching / detaching method using the moving blade holding device of another example.
- the pushing device 100a shown in FIGS. 24 to 27 includes a moving blade holding device 102a, a push rod 106, and a pressing device 108.
- the rotor blade holding device 102 a includes a first plate portion 202, a second plate portion 204, and a fastening device 206.
- the first plate portion 202 is a second member
- the second plate portion 204 is a first member.
- the moving blade holding device 102 a is disposed so as to overlap the first plate portion 202 and the second plate portion 204 in a state of being displaced in the radial direction, and is fixed by a fastening device 206.
- the first plate portion 202 is formed with an opening 208.
- the opening 208 is subjected to a force on the first plate portion 202 by contact with a tool or the like.
- the blade holding device 102 a is moved relative to the rotor 12 and the blade 14 by applying a force to the first plate portion 202 from the opening 208.
- the first plate portion 202 is moved with respect to the second plate portion 204 by applying a force to the first plate portion 202 from the opening 208.
- the first plate portion 202 is provided with a foot portion 210 extending radially inward on a surface on the radially inner side of the plate portion. The foot 210 is inserted into a groove formed in the radially outward facing surface of the rotor 12.
- the fastening device 206 is a thumb screw.
- the first plate portion 202 is formed with a hole 209 into which the thumbscrew of the fastening device 206 is inserted.
- the holes 209 are elongated holes whose radial direction is the longitudinal direction.
- the second plate portion 204 is formed with a hole into which the thumbscrew of the fastening device 206 is inserted.
- the hole formed in the second plate portion 204 is a hole substantially the same as the diameter of the thumbscrew.
- the rotor blade holding device 102a relatively moves the first plate portion 202 and the second plate portion 204 in the radial direction (the direction of the arrow in FIG. 25) by loosening the thumbscrew of the fastening device 206 and releasing the fastening state. It can be done.
- the first plate portion 202 is disposed inward of the second plate portion 204 in the radial direction of the rotation axis.
- the first plate portion 202 has a radially inner end in contact with the rotor 12 when in use.
- the second plate portion 204 has its radially outer end inserted into the groove of the moving blade 14 in use.
- the first plate portion 202 and the second plate portion 204 are disposed at positions not overlapping the gap 30 when viewed from the extending direction of the gap 30 at the time of use. When the first plate portion 202 and the second plate portion 204 are viewed in the extending direction of the gap 30, no member is disposed at a position overlapping the gap 30.
- the moving blade holding device 102 a relatively moves the first plate portion 202 and the second plate portion 204 in the radial direction, and the first plate portion 202 and the second plate portion 204 are respectively the rotor 12 and the moving blade 14.
- the mechanism which fixes with respect to the rotor 12 and the moving blade 14 becomes a support part by making it contact. Even when the support portion is a slide mechanism as in the case of the moving blade holding device 102a, the first plate portion 202 and the second plate portion 204 are fixed to the rotor 12 and the moving blade 14 by the slide mechanism.
- Positions similar to those of the plate portion 110 in the second plate portion 204 are the blade contact portion 131a and the rotor contact portion 132a.
- the moving blade holding device 102a is a first member having a first surface 133a where the second plate portion 204 contacts the rotor 12, a second surface 134a contacting the moving blade, and a third surface 135a for fixing a radial position.
- the first plate portion 202 is a second member having a fourth surface 136a for fixing the radial position.
- the pressing device 108 may support the pressing rod 106 with respect to the pressing device 108 by the support mechanism 180.
- the support mechanism 180 is inserted into the screw hole 176 of the push rod 106.
- the support mechanism 180 is supported movably in the direction parallel to the insertion direction with respect to the main body of the pressing device 108.
- FIG. 28 is a side view showing a schematic configuration of a moving blade holding device of another example.
- FIG. 29 is a perspective view showing a schematic configuration of a moving blade holding device of another example.
- the bucket holding device 102b illustrated in FIGS. 28 and 29 includes a plate portion 110b, a support portion 112b, and an insertion portion 118.
- the plate portion 110 b is a plate-like member facing the blade root portion 24 of the moving blade 14 similar to the plate portion 110 and the blade groove 28 of the rotor 12.
- the plate portion 110 b is provided with a protrusion 126 b on the surface opposite to the surface facing the blade root portion 24 of the moving blade 14 and the blade groove 28 of the rotor 12. In use, the plate portion 110 b has a radially upper portion inserted into the groove of the moving blade 14.
- the support portion 112 b has a connecting portion 190 and a fastening portion 192.
- the connecting portion 190 has a shape in which axially extending plates 190b and 190c are connected to radial end portions of a plate 190a whose cross section extends in the radial direction.
- the radially outer surface of the radially inner plate 190c is in contact with the radially inner surface of the protrusion 126b of the plate portion 110b.
- the radially inner surface of the radially outer plate 190b faces the radially outer surface of the protrusion in which the groove of the moving blade 14 is formed.
- the fastening portion 192 is a bolt screwed into a plate 190 b on the radially outer side of the connecting portion 190, and the radial direction of the connecting portion 190 is adjusted by adjusting the amount of protrusion of the connecting portion 190 from the plate 190 b on the radially outer side. The distance between the outer plate 190 b and the projection of the moving blade 14 is adjusted.
- the fastening portion 192 can adjust the radial position of the plate portion 110 b with respect to the moving blade 14 by adjusting the position of the radial plate 190 b of the connecting portion 190 with respect to the moving blade 14.
- the support portion 112 b can move the plate portion 110 b radially upward by expanding the distance between the plate 190 b on the radially outer side of the connection portion 190 and the protrusion of the moving blade 14 by the fastening portion 192.
- the plate portion 110 b can be inserted into the groove of the wing 14. Thereby, the plate portion 110 b can be fixed to the moving blade 14.
- the insertion portion 118 is connected to the radial inner end of the plate portion 110 b.
- the insertion portion 118 is a cylindrical member having an opening formed at a position corresponding to the gap 30, and the blade root spring 18 is inserted into the opening. That is, the insertion portion 118 has the same function as the insertion jig 104.
- the plate portion 110b is supported by the moving blade 14 by the support portion 112b. Further, the surface of the portion of the plate portion 110b inserted in the groove of the moving blade 14 and the surface opposite to the surface facing the end surface of the rotor 12 is the blade contact portion 131b, and the surface of the plate portion 110b facing the end surface of the rotor 12 The facing surface is the rotor contact portion 132b.
- the moving blade holding device 102b is a first member having a first surface 133b in which the plate portion 110b contacts the rotor 12, a second surface 134b in contact with the moving blade, and a third surface 135b fixing the radial position.
- the support portion 112 b is a second member having a fourth surface 136 b for fixing the radial position.
- the first surface 133 b of the plate portion 110 b is in contact with the rotor 12, and the second surface 134 b is in contact with the moving blade 14, whereby the moving blade 14 can be supported on the rotor 12.
- maintenance apparatus 102b can integrate an insertion jig by providing the insertion part 118.
- the moving blade holding device 102 b can be applied to a mechanism in which no groove is formed in the rotor 12.
- FIG. 30 is a side view showing a schematic configuration of a moving blade holding device of another example.
- the moving blade 14c shown in FIG. 30 is provided with a tip portion 303 projecting radially outward at an axial tip end where a projection 302 projecting in the axial direction is formed on the end face in the axial direction.
- the bucket holding device 102 c shown in FIG. 30 has a plate portion 312 and a support portion 314.
- the plate portion 312 is a plate-like member facing the blade root portion 24 of the moving blade 14 c similar to the plate portion 110 and the blade groove 28 of the rotor 12.
- the plate portion 312 is formed with an opening 316 at a position corresponding to the gap 30.
- the support portion 314 is a member connected to the radial outer end of the plate portion 312.
- the support portion 314 has a shape in which the axially extending plates 322 and 324 are connected to the radial end of the plate 320 whose cross section extends in the radial direction.
- the axially extending plates 322, 324 project toward the rotor blade 14c and the rotor 12 more than the radially extending plate 320. That is, in the support portion 314, the end of the radially inner plate 322 and the radially outer plate 324 on the side away from the end face of the rotor 12 is connected to the radially extending plate.
- the end on the end face side of the rotor 12 is connected to the end on the radially outer side of the plate portion 312 of the radially inner plate 322.
- the radially outer plate 324 has a radially inner protruding projection 326 at the end of the rotor 12 on the end face side.
- the surface of the protrusion 326 of the radially outer plate 324 on the side away from the end surface of the rotor 12 faces the surface of the tip end portion 303 on the end surface side of the rotor 12.
- the support portion 314 is shaped so as to surround the tip end portion 303 of the protrusion 302, and the radially inner surface of the radially outer plate 324 is in contact with the radially outer surface of the tip portion 303.
- the support portion 314 is suspended at the tip end portion 303 and supported by the moving blade 14c.
- the plate portion 312 is supported by the moving blade 14 c because it is connected to the support portion 314.
- the plate portion 312 of the rotor blade holding device 102 c is supported by the rotor blade 14 c by the support portion 314. Further, since the surface of the projection 326 of the radially outer plate 324 of the tip end portion 303 on the side away from the end face of the rotor 12 faces the end face side surface of the rotor 12 of the tip end portion 303, blade contact It becomes the part 131c. Further, the surface of the plate portion 312 facing the end face of the rotor 12 is a rotor contact portion 132c.
- the moving blade holding device 102c has a first surface 133c in which a member in which the plate portion 312 and the support portion 314 are integrated contact a rotor 12 and a second surface 134c contacting a moving blade and a third surface 135b fixing a radial position. And the first member.
- the moving blade 14 can be supported on the rotor 12.
- the blade contact portion 131 c is provided other than the plate portion 312, the blade contact portion 131 c and the rotor contact portion 132 c are provided at the position where they move in conjunction with each other.
- the movement of the moving blade 14c in the axial direction can be suppressed.
- maintenance apparatus 102c can be used suitably also for the rotary machine in which the groove
- the blade contact portion and the rotor contact portion be provided on an integrally provided member. That is, it is preferable to provide a moving blade holding
- maintenance apparatus is good also as a member with a 1st surface, and a member with a 2nd surface as another member.
- FIG. 31 is a side view showing a schematic configuration of a moving blade holding device of another example.
- a rotor blade holding device 102 d shown in FIG. 31 has a first plate portion 402, a second plate portion 404, and a fastening device 406.
- the moving blade holding device 102 d is disposed so as to overlap the first plate portion 402 and the second plate portion 404 in a state where the positions are shifted in the radial direction, and is fixed by a fastening device 406. Further, the moving blade holding device 102d can move relative to the first plate portion 402 and the second plate portion 404 in the radial direction.
- the first plate portion 402 is a plate-like member, and an opening 416 is formed at a position overlapping the gap 30.
- the first plate portion 402 is inserted into the rotor side groove 34 formed on the radially outward surface of the rotor 12.
- the second plate portion 404 is disposed radially outward of the first member 402, and overlaps the first member 402 in the radial direction of a part of the radially inner side.
- the surface of the second member 404 on the rotor 12 side is in contact with the first plate portion 402.
- the second member 404 is formed with a stepped portion which is shifted radially to the rotor 12 side in the axial direction on the radial direction outer side than a portion overlapping the first member 402 in the radial direction.
- the second plate portion 404 is, for example, an integrated member in which two plates are welded, and another member is disposed on the radially outer side of the member overlapping the first member 402 and on the rotor 12 side. It has a fixed structure. The radially outer end of the second member 404 is inserted into a blade-side groove 32 formed in the moving blade 14.
- the fastening device 406 is a thumb screw.
- the first plate portion 402 is formed with a hole into which the thumbscrew of the fastening device 406 is inserted.
- the hole formed in the first plate portion 402 is a hole substantially the same as the diameter of the thumbscrew.
- the second plate portion 404 is formed with a hole 409 into which the thumbscrew of the fastening device 406 is inserted.
- the hole 409 is an elongated hole whose radial direction is the longitudinal direction.
- the rotor blade holding device 102 d can move the first plate portion 402 and the second plate portion 404 relatively in the radial direction by loosening the thumbscrew of the fastening device 406 and releasing the fastening state.
- the first plate portion 402 is disposed inward of the second plate portion 404 in the radial direction of the rotation axis.
- the first plate portion 402 has a radially inner end in contact with the rotor 12 in use.
- the second plate portion 404 has its radially outer end inserted into the groove of the moving blade 14 in use.
- the first plate portion 402 and the second plate portion 404 have openings 416 formed in the first member 402, and are arranged so as not to overlap with the gap 30 when viewed from the extending direction of the gap 30 during use. It is done. When the first plate portion 402 and the second plate portion 404 are viewed from the extending direction of the gap 30, no member is disposed at a position overlapping the gap 30.
- the moving blade holding device 102 d moves the first plate portion 402 and the second plate portion 404 relatively in the radial direction, and each of the first plate portion 402 and the second plate portion 404 is the rotor 12 and the moving blade 14.
- the mechanism which fixes with respect to the rotor 12 and the moving blade 14 becomes a support part by making it contact.
- the first member 402 is disposed closer to the rotor 12 than the second member 404, and the second member 404 is disposed radially outward of the first member 402 and is inserted into the groove of the bucket ing.
- the second plate portion 404 has a blade contact portion 131d, and the first plate portion 402 has a rotor contact portion 132d.
- the moving blade holding device 102d is a first member having a fourth surface 136d for fixing the radial position with the first surface 133d where the second plate portion 404 contacts the rotor, and the first plate portion 402 contacts the moving blade.
- the second member has a second surface 134d and a third surface 135d for fixing the radial position.
- the moving blade 14 can be prevented from moving in the direction of the blade groove 28 with respect to the rotor 12 it can.
- the blade root spring 18 may be insertable into three or more gaps 30 by fixing the blade 102 to the moving blade 14 and the rotor 12 once.
- the moving blade holding device 102 is a surface that faces at least one of the rotor and the moving blade in the radial direction and faces the outer side of the rotating shaft of at least one of the moving member and the moving blade.
- the present invention is not limited thereto.
- the moving blade holding device 102 brings the surface facing radially at least one of the rotor and the moving blade into contact with the radially inward facing surface of the rotating shaft of at least one of the rotor and the moving blade,
- the structure may not be in contact with the radially outward facing surface of at least one of the rotation axes of the wing.
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Abstract
Description
12 ロータ
14、14c 動翼
18、18a、18b 翼根ばね(動翼固定部材)
19 シール機構
22 翼部
24 翼根部
28 翼溝
30 隙間
32 翼側溝
34 ロータ側溝
40 シール板
42 ロックプレート
44 ロックピース
52 動翼接触面
56 ロータ接触面
57 側面
58 開口
90 軸方向
92 周方向
94 径方向
100 押込装置
102、102a、102b、102c 動翼保持装置
104 挿入冶具
106 押し棒
108 押圧装置
110、100b 板部
112、112b 支持部
114 磁石
120 外周側端部
122 内周側端部
124 開口
126、126b 突起部
128、129 基準端面
130 連結孔
131、131a、131b、131c 翼接触部(第1部分)
132、132a、132b、132c ロータ接触部(第2部分)
133、133a、133b、133c、133d 第1面
134、134a、134b、134c、134d 第2面
135、135a、135b、135c、135d 第3面
136、136a、136b、136d 第4面
140 回動部
142 支点
150 外縁
152 開口
154 入口
156 出口
158 テーパ部(傾斜部)
160 突起
170 基部
172 先端部
174 ガイド溝
175 端面
176 ねじ穴
180 支持機構
182 挿入方向
190 連結部
190a、190b、190c 板
192 締結部
202 第1板部
204 第2板部
206 締結装置
208 開口
209 穴
302 突起
303 先端部
312 板部
314 支持部
316 開口
320、322、324 板
326 突起
Claims (16)
- 回転機械のロータの外周面に軸方向に沿って設けられた翼溝と前記翼溝に挿入される動翼との隙間に動翼固定部材を前記翼溝の方向に挿入する際に、前記動翼が前記翼溝の方向に移動することを規制する動翼保持装置であって、
前記ロータに設けられた軸方向端面のうち前記動翼固定部材を挿入する側の軸方向端面に接触する第1面と、
前記第1面とは逆方向を向き、前記動翼に設けられた軸方向端面に接触する第2面と、
前記ロータの径方向外側または内側を向く面であって、前記ロータ及び前記動翼の少なくとも一方と接して前記動翼保持装置の径方向の位置を定める第3面と、を有し、
前記翼溝の方向から見た場合、前記隙間と重ならない形状を有することを特徴とする動翼保持装置。 - 前記ロータの径方向外側または内側を向く面であって、前記第3面とは逆方向を向き、前記動翼保持装置の径方向の位置を定める第4面と、
前記第3面と前記第4面との径方向の相対位置を変更する相対位置変更機構と、をさらに備えることを特徴とする請求項1に記載の動翼保持装置。 - 前記第4面は、前記ロータ及び前記動翼の少なくとも一方と接することを特徴とする請求項2に記載の動翼保持装置。
- 前記第1面と前記第2面と前記第3面とを備える第1部材と、
前記第4面を備える第2部材と、を有し、
前記相対位置変更機構は前記第1部材に対して前記第2部材を径方向に摺動可能に支持することを特徴とする請求項2または3に記載の動翼保持装置。 - 前記第1面と前記第4面とを備える第1部材と、
前記第2面と前記第3面を備える第2部材と、を有し、
前記相対位置変更機構は前記第1部材に対して前記第2部材を径方向に摺動可能に支持することを特徴とする請求項2または3に記載の動翼保持装置。 - 前記第1面と前記第2面と前記第3面とを備える第1部材と、
前記第4面を備える第2部材と、を有し、
前記相対位置変更機構は前記第1部材に対して前記第2部材を軸方向に垂直な面内で回転可能に支持することを特徴とする請求項2または3に記載の動翼保持装置。 - 軸方向から見た場合、外縁の少なくとも一部が、前記翼溝または前記動翼の形状と一致する形状であることを特徴とする請求項1から請求項6のいずれか一項に記載の動翼保持装置。
- 請求項1から請求項7のいずれか一項に記載の動翼保持装置と、
前記動翼固定部材を前記翼溝の方向に保持する挿入冶具と、を有することを特徴とする動翼固定部材押込装置。 - 前記動翼固定部材は、回転軸の径方向に圧縮される弾性体であって、
前記挿入冶具には前記動翼固定部材を挿入する貫通孔が前記翼溝の方向に形成され、
前記貫通孔は、前記貫通孔の入口から出口に向かうにつれて回転軸の径方向の前記貫通孔の寸法が縮小する傾斜部を備え、
回転軸の径方向において、前記出口の寸法が前記隙間の寸法と同一又は前記隙間の寸法より小さいことを特徴とする請求項8に記載の動翼固定部材押込装置。 - 前記挿入冶具は、前記動翼保持装置に対して着脱自在であることを特徴とする請求項8または9に記載の動翼固定部材押込装置。
- 前記動翼固定部材を前記翼溝の方向に付勢する押し棒をさらに有し、
前記押し棒は、前記動翼固定部材と接触する端面と、前記端面よりも突出し、前記端面の外縁よりも中心側に配置されている先端部と、を備えることを特徴とする請求項8から10のいずれか一項に記載の動翼固定部材押込装置。 - 回転機械の製造方法であって、
前記回転機械のロータの外周面に軸方向に沿って設けられた翼溝に動翼を挿入するステップと、
前記動翼の前記翼溝の方向への移動を規制する動翼保持装置を前記ロータに取り付けるステップと、
前記翼溝と前記動翼との隙間に動翼固定部材を前記翼溝の方向に挿入するステップと、を含むことを特徴とする回転機械の製造方法。 - 前記翼溝と前記動翼との前記隙間に前記動翼固定部材を前記翼溝の方向に挿入するステップの前に、
前記隙間への前記動翼固定部材の挿入を案内する挿入冶具に前記動翼固定部材を保持するステップと、
前記動翼固定部材が保持された前記挿入冶具を、前記動翼固定部材を挿入する側の前記ロータまたは前記動翼の軸方向端面に対向させ、前記翼溝の方向において前記隙間と対向する位置に前記動翼固定部材を配置するステップと、をさらに含むことを特徴とする請求項12に記載の回転機械の製造方法。 - 前記翼溝と前記動翼との前記隙間に前記動翼固定部材を前記翼溝の方向に挿入するステップにおいて、
複数の前記動翼固定部材を前記翼溝の方向に直列に挿入することを特徴とする請求項12または13に記載の回転機械の製造方法。 - 回転機械の組立方法であって、
前記回転機械のロータの外周面に軸方向に沿って設けられた翼溝に動翼を挿入するステップと、
前記動翼の前記翼溝の方向への移動を規制する動翼保持装置を前記ロータに取り付けるステップと、
前記翼溝と前記動翼との隙間に動翼固定部材を前記翼溝の方向に挿入するステップと、を含むことを特徴とする回転機械の組立方法。 - 回転機械の解体方法であって、
前記回転機械のロータの外周面に軸方向に沿って設けられた翼溝に挿入された動翼と前記ロータとの間に配置されたシール板を取り外すステップと、
前記動翼の前記翼溝の方向への移動を規制する動翼保持装置を前記ロータに取り付けるステップと、
前記ロータと前記動翼との隙間に前記翼溝の方向に冶具を挿入し、動翼固定部材を前記翼溝の方向に押し出すステップと、を含むことを特徴とする回転機械の解体方法。
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107843174A (zh) * | 2017-12-04 | 2018-03-27 | 无锡透平叶片有限公司 | 用于测量菌型叶根背劈角斜面位置的测具 |
WO2018110581A1 (ja) * | 2016-12-13 | 2018-06-21 | 三菱日立パワーシステムズ株式会社 | ガスタービンの分解組立方法、シール板組立体及びガスタービンロータ |
JP2018105302A (ja) * | 2016-12-23 | 2018-07-05 | ドゥサン ヘヴィー インダストリーズ アンド コンストラクション カンパニー リミテッド | ガスタービン |
EP3536907A4 (en) * | 2016-12-13 | 2020-01-08 | Mitsubishi Hitachi Power Systems, Ltd. | METHOD FOR DISASSEMBLY / ASSEMBLY OF A GAS TURBINE, GAS TURBINE ROTOR AND GAS TURBINE |
FR3083566A1 (fr) * | 2018-07-03 | 2020-01-10 | Safran Aircraft Engines | Ensemble de turbine pour turbomachine d'aeronef a circuit de refroidissement de disque equipe d'un dispositif d'etancheite |
EP3611344A1 (de) * | 2018-08-16 | 2020-02-19 | Siemens Aktiengesellschaft | Rotor mit umfangssicherung von dichtelementen |
US11111799B2 (en) | 2016-12-13 | 2021-09-07 | Mitsubishi Power, Ltd. | Method for disassembling/assembling gas turbine, seal plate assembly, and gas turbine rotor |
WO2021200893A1 (ja) * | 2020-04-03 | 2021-10-07 | 三菱パワー株式会社 | 翼根ばねの組付け及び抜き取り用治具並びに翼根ばねの組付け及び抜き取り方法 |
USD960833S1 (en) | 2018-05-23 | 2022-08-16 | Mitsubishi Power, Ltd. | Seal plate for rotary machine |
USD975135S1 (en) | 2018-05-23 | 2023-01-10 | Mitsubishi Heavy Industries, Ltd. | Seal plate for rotary machine |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114215611B (zh) * | 2021-12-01 | 2023-07-14 | 东方电气集团东方汽轮机有限公司 | 一种燃气轮机透平动叶轴向定位用气封装配体 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61205302A (ja) * | 1985-03-06 | 1986-09-11 | Mitsubishi Heavy Ind Ltd | タ−ビン動翼の軸方向翼止装置 |
JP2002201909A (ja) * | 2000-12-28 | 2002-07-19 | Ishikawajima Harima Heavy Ind Co Ltd | ブレード保持構造 |
US20060073021A1 (en) * | 2004-10-06 | 2006-04-06 | Siemens Westinghouse Power Corporation | Remotely accessible locking system for turbine blades |
US20080008593A1 (en) * | 2006-07-06 | 2008-01-10 | Siemens Power Generation, Inc. | Turbine blade self locking seal plate system |
JP2010501765A (ja) * | 2006-08-25 | 2010-01-21 | シーメンス アクチエンゲゼルシヤフト | タービン翼固定装置 |
JP2012202391A (ja) * | 2011-03-28 | 2012-10-22 | Mitsubishi Heavy Ind Ltd | タービン動翼の固定構造及び翼根バネの脱着方法 |
WO2013187103A1 (ja) * | 2012-06-15 | 2013-12-19 | 三菱重工業株式会社 | 翼根ばね挿入治具及び翼根ばね挿入方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2971744A (en) * | 1956-11-27 | 1961-02-14 | Szydlowski Joseph | Blade lock |
US4846628A (en) * | 1988-12-23 | 1989-07-11 | United Technologies Corporation | Rotor assembly for a turbomachine |
FR2900437B1 (fr) * | 2006-04-27 | 2008-07-25 | Snecma Sa | Systeme de retention des aubes dans un rotor |
-
2015
- 2015-02-20 WO PCT/JP2015/054826 patent/WO2015129580A1/ja active Application Filing
- 2015-02-20 JP JP2016505181A patent/JP6246893B2/ja active Active
- 2015-02-20 CN CN201580009835.6A patent/CN106030041B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61205302A (ja) * | 1985-03-06 | 1986-09-11 | Mitsubishi Heavy Ind Ltd | タ−ビン動翼の軸方向翼止装置 |
JP2002201909A (ja) * | 2000-12-28 | 2002-07-19 | Ishikawajima Harima Heavy Ind Co Ltd | ブレード保持構造 |
US20060073021A1 (en) * | 2004-10-06 | 2006-04-06 | Siemens Westinghouse Power Corporation | Remotely accessible locking system for turbine blades |
US20080008593A1 (en) * | 2006-07-06 | 2008-01-10 | Siemens Power Generation, Inc. | Turbine blade self locking seal plate system |
JP2010501765A (ja) * | 2006-08-25 | 2010-01-21 | シーメンス アクチエンゲゼルシヤフト | タービン翼固定装置 |
JP2012202391A (ja) * | 2011-03-28 | 2012-10-22 | Mitsubishi Heavy Ind Ltd | タービン動翼の固定構造及び翼根バネの脱着方法 |
WO2013187103A1 (ja) * | 2012-06-15 | 2013-12-19 | 三菱重工業株式会社 | 翼根ばね挿入治具及び翼根ばね挿入方法 |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11111799B2 (en) | 2016-12-13 | 2021-09-07 | Mitsubishi Power, Ltd. | Method for disassembling/assembling gas turbine, seal plate assembly, and gas turbine rotor |
EP3536907A4 (en) * | 2016-12-13 | 2020-01-08 | Mitsubishi Hitachi Power Systems, Ltd. | METHOD FOR DISASSEMBLY / ASSEMBLY OF A GAS TURBINE, GAS TURBINE ROTOR AND GAS TURBINE |
US11339672B2 (en) | 2016-12-13 | 2022-05-24 | Mitsubishi Power, Ltd. | Method for disassembling/assembling gas turbine, gas turbine rotor, and gas turbine |
WO2018110581A1 (ja) * | 2016-12-13 | 2018-06-21 | 三菱日立パワーシステムズ株式会社 | ガスタービンの分解組立方法、シール板組立体及びガスタービンロータ |
US11149562B2 (en) | 2016-12-13 | 2021-10-19 | Mitsubishi Power, Ltd. | Method for disassembling/assembling gas turbine, seal plate assembly, and gas turbine rotor |
JP2018105302A (ja) * | 2016-12-23 | 2018-07-05 | ドゥサン ヘヴィー インダストリーズ アンド コンストラクション カンパニー リミテッド | ガスタービン |
CN107843174A (zh) * | 2017-12-04 | 2018-03-27 | 无锡透平叶片有限公司 | 用于测量菌型叶根背劈角斜面位置的测具 |
CN107843174B (zh) * | 2017-12-04 | 2023-05-23 | 无锡透平叶片有限公司 | 用于测量菌型叶根背劈角斜面位置的测具 |
USD960833S1 (en) | 2018-05-23 | 2022-08-16 | Mitsubishi Power, Ltd. | Seal plate for rotary machine |
USD975135S1 (en) | 2018-05-23 | 2023-01-10 | Mitsubishi Heavy Industries, Ltd. | Seal plate for rotary machine |
FR3083566A1 (fr) * | 2018-07-03 | 2020-01-10 | Safran Aircraft Engines | Ensemble de turbine pour turbomachine d'aeronef a circuit de refroidissement de disque equipe d'un dispositif d'etancheite |
EP3611344A1 (de) * | 2018-08-16 | 2020-02-19 | Siemens Aktiengesellschaft | Rotor mit umfangssicherung von dichtelementen |
WO2021200893A1 (ja) * | 2020-04-03 | 2021-10-07 | 三菱パワー株式会社 | 翼根ばねの組付け及び抜き取り用治具並びに翼根ばねの組付け及び抜き取り方法 |
US11846205B2 (en) | 2020-04-03 | 2023-12-19 | Mitsubishi Heavy Industries, Ltd. | Jig for assembling and extracting blade root spring, and method for assembling and extracting blade root spring |
JP7458230B2 (ja) | 2020-04-03 | 2024-03-29 | 三菱重工業株式会社 | 翼根ばねの組付け及び抜き取り用治具並びに翼根ばねの組付け及び抜き取り方法 |
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CN106030041A (zh) | 2016-10-12 |
CN106030041B (zh) | 2018-09-18 |
JP6246893B2 (ja) | 2017-12-13 |
JPWO2015129580A1 (ja) | 2017-03-30 |
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