WO2015008725A1 - 環状組立体の測定装置、環状組立体の測定方法、及び回転機械の製造方法 - Google Patents

環状組立体の測定装置、環状組立体の測定方法、及び回転機械の製造方法 Download PDF

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Publication number
WO2015008725A1
WO2015008725A1 PCT/JP2014/068685 JP2014068685W WO2015008725A1 WO 2015008725 A1 WO2015008725 A1 WO 2015008725A1 JP 2014068685 W JP2014068685 W JP 2014068685W WO 2015008725 A1 WO2015008725 A1 WO 2015008725A1
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WO
WIPO (PCT)
Prior art keywords
annular
ring
measuring
assembled
base portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2014/068685
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
邦彦 脇
謙一 荒瀬
有吾 徳永
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Power Ltd
Original Assignee
Mitsubishi Hitachi Power Systems Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Hitachi Power Systems Ltd filed Critical Mitsubishi Hitachi Power Systems Ltd
Priority to CN201480038077.6A priority Critical patent/CN105358931B/zh
Priority to KR1020167000188A priority patent/KR101817448B1/ko
Priority to US14/902,200 priority patent/US9964393B2/en
Priority to EP14826485.6A priority patent/EP3023735B1/en
Publication of WO2015008725A1 publication Critical patent/WO2015008725A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/14—Testing gas-turbine engines or jet-propulsion engines

Definitions

  • the present invention relates to, for example, a measuring device of an annular assembly having a blade ring and a support ring of a turbine, a measuring method of the annular assembly, and a manufacturing method of a rotary machine.
  • a measuring device of an annular assembly having a blade ring and a support ring of a turbine
  • a measuring method of the annular assembly and a manufacturing method of a rotary machine.
  • a positioning (coaxiality adjustment) operation between the wing ring and the holding ring is performed using the measuring device of the annular assembly.
  • the gap between the seal ring and the seal fin is inadequate, and sufficient sealing performance can not be obtained.
  • rubbing contact between the turbine rotating portion and the stationary portion
  • the measurement device 101 measures the radial relative position of the holding ring 62 to the wing ring 61.
  • the assembly accuracy of the retaining ring 62 with respect to the blade ring 61 is ensured.
  • the distances between the reference point on the blade ring 61 side and the measurement point on the holding ring 62 side are measured at a plurality of points on the blade ring 61.
  • the attachment position of the holding ring 62 to the blade ring 61 is finely adjusted based on the measurement value.
  • the measuring device 101 includes a base portion 106, a shaft portion 107, and a probe portion 108.
  • the base portion 106 is disposed at the outer peripheral side edge 61 a of the blade ring 61 and defines a reference point on the blade ring 61 side.
  • the shaft portion 107 is fixed to the base portion 106 and extends radially inward of the blade ring 61 at the time of measurement.
  • the probe portion 108 has a dial gauge 28 attached to the tip of the shaft portion 107, and defines a measurement point on the holding ring 62 side.
  • the guide roller 124 disposed below the side portion of the base portion 106 is a blade while the plurality of base legs 103 of the base portion 106 are in contact with the outer peripheral edge 61a of the blade ring 61.
  • the reference point of the base portion 106 is defined in contact with the outer peripheral surface 61 b of the ring 61. That is, the outer peripheral surface 61 b of the blade ring 61 is a radial reference surface of the blade ring in the measuring device 101.
  • the present invention measures an annular assembly capable of enhancing the accuracy in measuring the relative position of the assembled member in the radial direction with respect to the annular member in the annular assembly in which a plurality of assembled members arranged circumferentially in the annular member are assembled. It aims at providing an apparatus.
  • the measuring device of the annular assembly comprises: a radial direction of the member to be assembled relative to the annular member in the annular assembly in which a plurality of members to be assembled are arranged circumferentially
  • a measuring device for an annular assembly that measures a relative position, comprising: a first contact portion that contacts a circumferentially continuous reference surface of the annular member and is movable in the circumferential direction along the reference surface; A second contact portion capable of pressing an opposing surface facing the radial direction opposite to the reference surface of the annular member; a base portion supporting the first contact portion and the second contact portion; Measuring the displacement of the third contact portion relative to the base portion, the third contact portion contacting the measured portion of the member to be assembled, the connecting portion connecting the third contact portion and the base portion, and And a measuring unit.
  • the first contact portion contacts the reference surface with a predetermined pressing force.
  • the position of the base portion with respect to the reference surface is stabilized, so that the accuracy in measuring the displacement of the third contact portion with respect to the base portion can be enhanced. That is, the accuracy in measuring the radial relative position of the assembled member to the annular member in the annular assembly can be enhanced.
  • the 2nd contact part has constituted the spherical shape which can roll the above-mentioned countering face in the peripheral direction.
  • the measuring device since the measuring device can be moved in the circumferential direction while the position of the base portion with respect to the reference surface is held, the change in displacement of the third contact portion with respect to the base portion can be measured with high accuracy. be able to.
  • the reference surface and the opposing surface are surfaces provided on opposite radial directions forming a groove formed on the radially inner side of the annular member, and the base portion Preferably, a block-shaped fitted member having the first contact portion and inserted into the groove, and a guide roller having the second contact portion.
  • the base portion of the measuring device can be fixed to the annular member even when there is a protrusion vertically above the annular member. Further, the base portion and the annular member can be easily fixed by sliding the engaged member along the groove.
  • the annular member is a blade ring of a turbine
  • the groove is a groove used for fixing a heat shield ring of the turbine.
  • the base portion can be fixed to the annular member without newly processing the groove for fixing the base portion.
  • the base portion is disposed on a first side in a central axial direction of the annular member, and the first side opposite to the first side in the central axial direction from the coupling portion It is good also as composition provided with a support member which supports the connecting part by making it extend to two sides and making the tip point in contact with the field which turns to the first side direction of the central axis direction of the said member to be assembled.
  • the position of the third contact portion can be stabilized even when the connecting portion extends inward in the radial direction of the base portion and the rigidity is insufficient.
  • the present invention is a method of measuring an annular assembly in which a radial relative position of the assembled member to the annular member in an annular assembly in which a plurality of assembled members arranged in a circumferential direction are assembled in the annular member.
  • the first contact portion of the base portion of the measuring device is brought into contact with the reference surface continuous in the circumferential direction of the annular member, and the opposite surface facing the reference surface of the annular member radially opposite to the reference surface
  • a moving step wherein the base portion is moved in the circumferential direction along the reference surface while the first contact portion is in contact with the reference surface, and the third contact portion
  • the first contact portion contacts the reference surface with a predetermined pressing force.
  • the position of the base portion with respect to the reference surface is stabilized, so that the accuracy in measuring the displacement of the third contact portion with respect to the base portion can be enhanced. That is, it is possible to enhance the accuracy in measuring the relative position between the annular member constituting the annular assembly and the member to be assembled in the radial direction.
  • the first contact portion is defined with the surfaces on both diametrically opposite sides of the groove formed in the annular member as the reference surface and the opposing surface. It is preferable to insert the to-be-fitted member of the said base part which it has in the said groove, and to move the said to-be-fitted member inside the said groove at the said displacement measurement process.
  • the base portion of the measuring device can be fixed to the annular member even when there is a protrusion vertically above the annular member. Further, the base portion and the annular member can be easily fixed by sliding the engaged member along the groove.
  • a diameter of the member to be assembled relative to the annular member by an annular assembly assembling step of assembling a plurality of the members to be assembled in the circumferential direction in the annular member and a measuring method of the annular assembly.
  • Provided is a method of manufacturing a rotating machine.
  • an annular assembly in which a plurality of members to be assembled are arranged in the circumferential direction in the annular member, it is possible to enhance the accuracy in measuring the relative position of the members to be assembled in the radial direction with respect to the annular member.
  • FIG. 3 is a cross-sectional view taken along the line AA of FIG. 2 and a plan view of the measuring device of the annular assembly. It is a perspective view which shows a mode that a to-be-fitted member is inserted in the fitting groove of a wing ring. It is a top view of the measuring device of the annular assembly of an embodiment of the present invention, and is an enlarged drawing of a connection with a wing ring. It is a side view of the measuring device of the conventional annular assembly.
  • the apparatus for measuring an annular assembly is, for example, a jig used for positioning (coaxiality adjustment) between the blade ring of the turbine and the holding ring of the seal ring at the time of reassembly of the turbine for maintenance or the like. It is.
  • the positioning of the wing ring and the retaining ring is performed on an annular assembly in which the retaining ring, which is a member to be assembled, is assembled to the wing ring, which is an annular member.
  • Positioning of the blade ring and the retaining ring is performed by measuring the relative position of the retaining ring in the radial direction with respect to the blade ring and securing assembly accuracy (coaxiality) based on the measurement result.
  • a gas turbine which is a rotary machine provided with a blade ring will be described.
  • a gas turbine 50 compresses external air to generate compressed air
  • a combustor 52 which mixes fuel from a fuel supply source with compressed air and burns it to generate combustion gas.
  • a turbine 53 driven by the combustion gas.
  • the turbine 53 is a rotary machine.
  • the turbine 53 has a turbine rotor 54 that rotates around an axis Ar, and a turbine casing 55 (casing) that rotatably covers the turbine rotor 54.
  • the compressor 51 is a rotary machine.
  • the compressor 51 has a compressor rotor 56 that rotates around an axis Ar, and a compressor casing 57 that rotatably covers the compressor rotor 56.
  • the gas turbine 50 further includes a compressor / turbine casing 58 that covers the turbine 53 side of the compressor rotor 56 and the compressor 51 side of the turbine rotor 54.
  • Each of the compressor casing 57, the turbine casing 55, and the compressor / turbine casing 58 has a cylindrical shape around the axis Ar.
  • the turbine rotor 54 and the compressor rotor 56 are connected to each other and integrally rotate around an axis Ar.
  • annular assembly 60 On the inner peripheral side of the turbine casing 55, a plurality of annular assemblies 60 that form an annulus centering on the axis Ar are provided in line in the axial direction.
  • the annular assembly 60 has a blade ring 61 (see FIG. 2) and a retaining ring 62 (see FIG. 2), which are measurement objects of the measuring device 1 of the present embodiment.
  • Each annular assembly 60 is circumferentially divisible for convenience of assembly.
  • the annular assembly 60 includes a blade ring 61 which is an annular member composed of a plurality of elements, a plurality of stator blades 63 circumferentially attached to the inner peripheral side of the blade ring 61, and a stator blade It has an inner shroud 64 provided on the inner peripheral side of 63, a holding ring 62 fixed to the flange of the inner shroud 64, and a seal ring 65 held by the holding ring 62.
  • a blade ring 61 which is an annular member composed of a plurality of elements, a plurality of stator blades 63 circumferentially attached to the inner peripheral side of the blade ring 61, and a stator blade It has an inner shroud 64 provided on the inner peripheral side of 63, a holding ring 62 fixed to the flange of the inner shroud 64, and a seal ring 65 held by the holding ring 62.
  • the holding ring 62 is a member to be assembled, which is assembled in a plurality in the circumferential direction on the annular member via the vanes 63 and the like.
  • the plurality of stationary blades 63 are provided on the stationary side around the turbine rotor 54 (see FIG. 1) of the turbine 53.
  • the plurality of stationary blades 63 form a stage in combination with a moving blade attached to the turbine rotor 54 side.
  • a plurality of fitting grooves 2 and 2a for attaching the heat shield ring 67 are formed.
  • the fitting grooves 2 and 2 a are formed continuously in the circumferential direction of the blade ring 61 inside the radial direction of the blade ring 61 (hereinafter, simply referred to as the radial direction).
  • a heat shield ring 67 fitted to at least two fitting grooves 2a of the plurality of fitting grooves 2 and 2a is used to fix the vane 63.
  • the measuring device 1 of this embodiment is used by being attached to one fitting groove 2 other than the fitting groove 2a.
  • the fitting groove 2 is formed by machining so that the cross-sectional shape seen from the circumferential direction becomes uniform. Specifically, as shown in FIG. 5, the cross-sectional shape of the fitting groove 2 has a rectangular shape in which the radially inner peripheral side is opened.
  • the fitting groove 2 has a protrusion 3 for holding the heat shield ring 67 when the heat shield ring 67 is attached to the fitting groove 2.
  • the fitting groove 2 is a surface on the radially outer side of the protrusion 3 and has a reference surface 4 that faces the radial outer side.
  • the reference surface 4 is a surface serving as a reference point on the blade ring 61 side when measuring the coaxiality of the annular assembly 60 using the measuring device 1.
  • the reference surface 4 extends in the circumferential direction and is formed to go around the blade ring 61.
  • the fitting groove 2 is a groove formed by machining. Therefore, the reference surface 4 is a machined surface formed by machining, and is formed with accuracy maintained.
  • the fitting groove 2 has an opposing surface 5 which is a surface facing the opposite side to the reference surface 4 in the radial direction, that is, a surface facing inward in the radial direction.
  • the reference surface 4 and the opposing surface 5 are surfaces provided on both sides in the radial direction facing each other.
  • the facing surface 5 is also extended in the circumferential direction in the same manner as the reference surface 4 and is formed to go around the wing ring 61.
  • the protrusion 68 is provided in the outer peripheral side edge part 61a of the wing ring 61 of this embodiment. That is, the outer peripheral side edge 61a of the blade ring 61 of the present embodiment is not flat.
  • the measuring device 1 includes a plate-shaped base portion 6, a rod-shaped shaft portion 7 attached to the base portion 6, and a tip end side of the shaft portion 7 (the blade ring 61 And a data processing unit (not shown).
  • the shaft portion 7 functions as a connecting portion that connects the probe portion 8 and the base portion 6.
  • the base portion 6 is a reference portion on the wing ring 61 side.
  • the base portion 6 includes a plate-shaped base plate 12, a pair of fitted members 13 which are attached to the base plate 12 and hold the base portion 6 on the wing ring 61 by fitting into the fitting groove 2, and a ball caster And a guide roller 24.
  • the base plate 12 is a plate-like member having an isosceles trapezoidal shape.
  • the base plate 12 is orthogonal to the upper surface 14 and the lower surface 15 at a position corresponding to the upper surface 14 facing upward when the base portion 6 is attached to the wing ring 61, the lower surface 15 facing downward, and the lower side of the isosceles trapezoid And a connection surface 16 which is a surface.
  • the upper surface 14 and the lower surface 15 are orthogonal to the axis of the blade ring 61
  • the connecting surface 16 is along the inner circumferential surface of the blade ring 61
  • the side corresponding to the upper side of the trapezoid is the blade ring 61 It is arranged to face the center of the
  • the fitting member 13 is a substantially rectangular block-shaped member that can be fitted while being slid in the fitting groove 2 extending in the circumferential direction.
  • the fitted member 13 is formed on the back surface 18 formed along the opposite surface 5 of the fitting groove 2 and on the opposite side of the back surface 18 and formed along the reference surface 4 of the fitting groove 2 And a reference abutment surface 19 (first abutment portion).
  • the back surface 18 and the reference abutment surface 19 are curved surfaces having a radius of curvature substantially the same as the surface on the inner peripheral side of the blade ring 61.
  • the fitted member 13 is formed of, for example, a metal such as aluminum.
  • the fitted member 13 is attached to the connection surface 16 of the base plate 12 via a fastening member 20 such as a bolt, for example. Specifically, it is mounted using screw holes formed in the connection surface 16 of the base plate 12 in the direction along the upper surface 14 and the lower surface 15 of the base plate 12.
  • the fixing hole 21 (see FIG. 4) on the fitted member 13 side is appropriately countersunk so that the head of the fastening member 20 for fixing the fitted member 13 does not interfere with the fitting groove 2 There is.
  • the shaft portion 7 is made of, for example, a hollow elongated member made of aluminum, and is installed on the base portion 6 so as to extend inward in the radial direction of the blade ring 61 at the time of measurement.
  • the shaft portion 7 is attached to the base portion 6 so as to be displaceable in the longitudinal direction (axial direction).
  • the shaft portion 7 is supported by a guide portion 22 fixed on the base portion 6 and disposed.
  • a ball bearing is connected to the guide portion 22.
  • the shaft portion 7 can be displaced in the longitudinal direction of the guide portion 22.
  • the guide roller 24 is fixed to the end portion of the shaft portion 7 on the base portion 6 side.
  • the guide roller 24 is fixed so that a ball 25 (second contact portion) having a spherical shape is directed in the axial direction of the shaft portion 7.
  • the guide roller 24 is supported by the base plate 12 via the shaft portion 7 and the guide portion 22.
  • the balls 25 of the guide roller 24 are disposed to abut on the facing surface 5 of the fitting groove 2.
  • the shaft portion 7 is disposed such that the axis of the shaft portion 7 and the facing surface 5 of the annular groove are orthogonal to each other.
  • the guide roller 24 is provided with a fixed shaft 33 extending from the guide roller 24 and having an external thread groove formed on the outer periphery.
  • the guide roller 24 is fixed by screwing the fixed shaft 33 into a female screw hole formed at the end of the shaft portion 7 and further fastening the fixed shaft 33 with a nut 34.
  • the radial position of the guide roller 24 can be adjusted by this fixing mechanism.
  • the probe portion 8 is a portion that abuts on the inner circumferential surface of the holding ring 62 at the time of measurement, and defines the measurement point of the holding ring 62.
  • the probe portion 8 is attached to the tip of the shaft portion 7 via a predetermined joint 26.
  • the probe portion 8 has a probe stay 27 extending downward and orthogonal to the shaft portion 7, and a dial gauge 28 which is a measurement portion attached below the probe stay 27.
  • the dial gauge 28 is fixed so that the gauge head 29 (third abutment portion) abuts on the inner circumferential surface 62 a (measurement portion) of the holding ring 62.
  • the radial and vertical position of the dial gauge 28 can be adjusted by the joint 26.
  • a shaft support portion 30 which is a support member for supporting the shaft portion 7 is provided on the shaft portion 7 and between the probe portion 8 and the base portion 6, a shaft support portion 30 which is a support member for supporting the shaft portion 7 is provided.
  • the shaft support 30 is attached to the shaft 7 via a predetermined joint 26.
  • the shaft support portion 30 has a stay 31 extending downward and orthogonal to the shaft portion 7, and a ball caster 32 attached below the stay 31.
  • the radial and vertical position of the ball caster 32 can be adjusted by the joint 26. In the measuring device 1 of the present embodiment, the radial and vertical positions of the ball caster 32 are adjusted so that the ball caster 32 abuts on the upper surface 35 of the holding ring 62.
  • the measuring device 1 is used in a state where the blade ring 61 is disposed so that the axial direction of the blade ring 61 is along the vertical direction.
  • annular assembly assembly process First, a plurality of retaining rings 62 are assembled in the circumferential direction on the wing ring 61. Specifically, the stator blade 63 is fixed to the blade ring 61 using the heat shield ring 67, and the holding ring 62 is attached to the flange of the inner shroud 64 integrated with the stator blade 63.
  • the measuring device 1 is then attached to the wing ring 61. Specifically, as shown in FIG. 4, the fitting member 13 is inserted into the fitting groove 2 in the circumferential direction. Thereby, as shown in FIG. 3, the base portion 6 of the measuring device 1 is temporarily fixed to the blade ring 61. At the time of attachment, since the blade ring 61 is in a divided state, the fitted member 13 can be inserted from the end of the fitting groove 2.
  • the elements constituting the wing ring 61 are connected to one another to assemble the annular assembly 60. That is, the stationary blade 63, the holding ring 62 (member to be measured) and the like are assembled on the inner peripheral side of the annular blade ring 61 (annular member).
  • the annular assembly 60 is to be measured by the measuring device 1 of the present embodiment.
  • the annular assembly 60 is disposed on the floor surface, it may be placed on a plurality of predetermined work blocks.
  • the positions of the shaft support portion 30 and the probe portion 8 are temporarily adjusted. Specifically, the ball caster 32 of the shaft support 30 rides on a predetermined position on the upper surface 35 of the holding ring 62, and the position adjustment of the shaft support 30 is performed so that the shaft 7 is substantially horizontal. Further, the position adjustment of the probe unit 8 is performed such that the probe 29 of the dial gauge 28 abuts on the inner circumferential surface 62 a of the holding ring 62.
  • the ball 25 of the guide roller 24 is pressed against the facing surface 5. Specifically, the amount of projection of the guide roller 24 is adjusted in a state in which the nut 34 is loosened, and the axial position of the guide roller 24 is adjusted in a state in which the ball 25 of the guide roller 24 sufficiently presses the facing surface 5. Fix it. As a result, the reference abutment surface 19 of the fitted member 13 abuts on the reference surface 4 of the fitting groove 2, and the reference point on the blade ring 61 side is defined.
  • Step of contact After the guide roller 24 is fixed in the above-mentioned base portion disposing step, the probe 29 of the temporarily fixed probe portion 8 is brought into contact with the inner circumferential surface 62 a of the holding ring 62. And the shaft support part 30 and the probe part 8 which were temporarily fixed are fixed.
  • the position determination of the holding ring 62 is performed based on the acquired measurement value. For example, when the acquired measurement value is within the predetermined setting range, it is determined that the positioning of the blade ring 61 and the holding ring 62 is properly performed. In this case, the measuring device 1 is removed, and the positioning operation is completed. On the other hand, when the acquired measured value is not within the predetermined setting range, the attachment position of the holding ring 62 to the blade ring 61 is finely adjusted. Thereby, the wing ring 61 and the holding ring 62 are properly positioned. This positioning operation is performed for each blade ring 61 of the 2-stage stator blade to 4-stage stator blade of the turbine 53.
  • annular assembly mounting process Finally, the annular assembly 60 is assembled to the turbine casing 55 (casing) of the turbine 53.
  • the reference abutment surface 19 of the fitted member 13 fully abuts on the reference surface 4.
  • the position of the base 6 with respect to the reference surface 4 is stabilized, so that the accuracy in measuring the displacement of the probe 29 with respect to the base 6 can be enhanced. That is, the accuracy in measuring the relative position of the retaining ring 62 in the radial direction with respect to the blade ring 61 constituting the annular assembly 60 can be enhanced. Thereby, the assembly accuracy of the retaining ring 62 with respect to the blade ring 61 can be secured.
  • the measuring device 1 can be moved in the circumferential direction while the position of the base portion 6 with respect to the reference surface 4 is held, it is possible to measure the change in displacement of the probe 29 with respect to the base portion 6 with high accuracy. it can.
  • the measuring device 1 can be fixed to the blade ring 61.
  • the fitting groove 2 for fixing the heat shield ring 67 for fixing the measuring device 1 the measuring device without newly processing the groove for fixing the base portion 6 of the measuring device 1 1 can be fixed to the wing ring 61.
  • the position of the measuring element 29 of the dial gauge 28 can be stabilized even when the rigidity of the shaft portion 7 is insufficient.
  • the fitting member 13 along the fitting groove 2, the base portion 6 and the wing ring 61 can be easily fixed.
  • the technical scope of the present invention is not limited to the above-described embodiments, and includes the above-described embodiments with various changes added thereto, without departing from the spirit of the present invention. That is, the configurations and the like described in the above-described embodiment are merely examples, and can be changed as appropriate.
  • the annular assembly 60 including the blade ring 61 and the retaining ring 62 of the turbine 53 is to be measured, the present invention is not limited thereto.
  • the assembled one can be the object of measurement.
  • the structure which provides two to-be-fitted members 13 which connect the base part 6 and the wing ring 61 was shown, the number does not matter.
  • the second contact portion presses the opposing surface, whereby the first contact portion contacts the reference surface with a predetermined pressing force.
  • the position of the base portion with respect to the reference surface is stabilized, so that the accuracy in measuring the displacement of the third contact portion with respect to the base portion can be enhanced. That is, the accuracy in measuring the radial relative position of the assembled member to the annular member in the annular assembly can be enhanced.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
PCT/JP2014/068685 2013-07-16 2014-07-14 環状組立体の測定装置、環状組立体の測定方法、及び回転機械の製造方法 Ceased WO2015008725A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201480038077.6A CN105358931B (zh) 2013-07-16 2014-07-14 环状组装体的测定装置和方法、以及旋转机械的制造方法
KR1020167000188A KR101817448B1 (ko) 2013-07-16 2014-07-14 환상 조립체의 측정 장치, 환상 조립체의 측정 방법, 및 회전 기계의 제조 방법
US14/902,200 US9964393B2 (en) 2013-07-16 2014-07-14 Measurement device for ring-shaped assembly, measurement method for ring-shaped assembly, and manufacturing method of rotating machine
EP14826485.6A EP3023735B1 (en) 2013-07-16 2014-07-14 Measurement device for ring-shaped assembly, measurement method for ring-shaped assembly, and manufacturing method for dynamo-electric machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-147520 2013-07-16
JP2013147520A JP6158618B2 (ja) 2013-07-16 2013-07-16 環状組立体の測定装置、環状組立体の測定方法、及び回転機械の製造方法

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WO2015008725A1 true WO2015008725A1 (ja) 2015-01-22

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PCT/JP2014/068685 Ceased WO2015008725A1 (ja) 2013-07-16 2014-07-14 環状組立体の測定装置、環状組立体の測定方法、及び回転機械の製造方法

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US (1) US9964393B2 (enExample)
EP (1) EP3023735B1 (enExample)
JP (1) JP6158618B2 (enExample)
KR (1) KR101817448B1 (enExample)
CN (1) CN105358931B (enExample)
TW (1) TWI537543B (enExample)
WO (1) WO2015008725A1 (enExample)

Cited By (2)

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