WO2024101149A1 - Dispositif de support et procédé de fabrication du dispositif de support - Google Patents

Dispositif de support et procédé de fabrication du dispositif de support Download PDF

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Publication number
WO2024101149A1
WO2024101149A1 PCT/JP2023/038449 JP2023038449W WO2024101149A1 WO 2024101149 A1 WO2024101149 A1 WO 2024101149A1 JP 2023038449 W JP2023038449 W JP 2023038449W WO 2024101149 A1 WO2024101149 A1 WO 2024101149A1
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WO
WIPO (PCT)
Prior art keywords
support device
strut
struts
connecting portion
wall
Prior art date
Application number
PCT/JP2023/038449
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English (en)
Japanese (ja)
Inventor
真也 橋本
Original Assignee
三菱重工業株式会社
三菱パワー株式会社
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 三菱重工業株式会社, 三菱パワー株式会社 filed Critical 三菱重工業株式会社
Publication of WO2024101149A1 publication Critical patent/WO2024101149A1/fr

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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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/20—Mounting or supporting of plant; Accommodating heat expansion or creep
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/42—Continuous combustion chambers using liquid or gaseous fuel characterised by the arrangement or form of the flame tubes or combustion chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • F23R3/42—Continuous combustion chambers using liquid or gaseous fuel characterised by the arrangement or form of the flame tubes or combustion chambers
    • F23R3/60—Support structures; Attaching or mounting means

Definitions

  • the present disclosure relates to a support device and a method for manufacturing the support device.
  • This application claims priority based on Japanese Patent Application No. 2022-178109, filed with the Japan Patent Office on November 7, 2022, the contents of which are incorporated herein by reference.
  • Support devices are known that support a first member and a second member while allowing relative movement between the first member and the second member.
  • the device described in Patent Document 1 is configured to be able to support the float while allowing relative movement between the transverse bulkhead and the float.
  • the support device is required to have a structure capable of absorbing the thermal expansion of these piping and the combustion liner.
  • the float support structure described in the above-mentioned patent document is adopted as the support device in this case, it is difficult to configure the support device so as to ensure the necessary support strength within the limited space on the side of the combustion tube while absorbing the thermal expansion described above.
  • At least one embodiment of the present disclosure aims to provide a support device that supports a first member and a second member while allowing relative movement between the first member and the second member.
  • a support device for supporting a second member having a second wall facing a first member having a first wall, the support device comprising: at least one first strut having a first proximal end connected to the first wall and a first distal end opposite the first proximal end, the first strut extending from the first proximal end to the first distal end toward the second wall; at least one second strut having a second base end connected to the second wall and a second tip end opposite the second base end and located closer to the first wall than the first tip end, the second strut extending from the second base end to the second tip end through the first tip end toward the first wall; the first strut and the second strut have at least one third strut extending along the extension direction in a positional range between the first tip end and the second tip end in the extension direction of the first strut and the second strut, and a connecting portion connecting the first tip end of the first strut and the second
  • a method for manufacturing a support device includes: 1. A method for manufacturing a support device for supporting a second member having a second wall facing a first member having a first wall, the method comprising: at least one first strut having a first proximal end connected to the first wall and a first distal end opposite the first proximal end, the first strut extending from the first proximal end to the first distal end toward the second wall; at least one second strut having a second base end connected to the second wall and a second tip end opposite the second base end and located closer to the first wall than the first tip end, the second strut extending from the second base end to the second tip end through the first tip end toward the first wall; a connecting portion including at least one third strut extending along the extension direction in a positional range between the first tip portion and the second tip portion in the extension direction of the first strut and the second strut, the connecting portion connecting the first tip portion of the first strut and
  • At least one embodiment of the present disclosure provides a support device that supports a first member and a second member while allowing relative movement between the first member and the second member.
  • FIG. 1 is a schematic configuration diagram of a gas turbine according to an embodiment.
  • FIG. 1 is a schematic diagram illustrating a combustor and turbine inlet section of a gas turbine according to an embodiment.
  • FIG. 2 is a perspective half-sectional view of a support device according to one embodiment.
  • FIG. 11 is a perspective half-sectional view of a support device according to another embodiment.
  • 1 is a schematic cross-sectional view illustrating an example of a structure of a support device according to some embodiments.
  • 11A and 11B are schematic cross-sectional views for explaining another example of the structure of the support device according to some embodiments.
  • 11A and 11B are schematic cross-sectional views for explaining another example of the structure of the support device according to some embodiments.
  • 11A and 11B are schematic cross-sectional views for explaining another example of the structure of the support device according to some embodiments.
  • 4B is a cross-sectional view taken along the line AA in FIG. 4A.
  • 4B is a cross-sectional view taken along the line BB in FIG. 4B.
  • 4C is a cross-sectional view taken along the line CC in FIG. 4B.
  • expressions indicating that things are in an equal state such as “identical,””equal,” and “homogeneous,” not only indicate a state of strict equality, but also indicate a state in which there is a tolerance or a difference to the extent that the same function is obtained.
  • expressions describing shapes such as a rectangular shape or a cylindrical shape do not only refer to rectangular shapes, cylindrical shapes, etc. in the strict geometric sense, but also refer to shapes that include uneven portions, chamfered portions, etc., to the extent that the same effect is obtained.
  • the expressions “comprise,””include,””have,””includes,” or “have” of one element are not exclusive expressions excluding the presence of other elements.
  • Fig. 1 is a schematic configuration diagram of a gas turbine according to an embodiment.
  • the gas turbine 1 includes a compressor 2 for generating compressed air, a combustor 4 for generating combustion gas using the compressed air and fuel, and a turbine 6 configured to be rotationally driven by the combustion gas.
  • a generator (not shown) is connected to the turbine 6.
  • the compressor 2 includes a plurality of stator vanes 16 fixed to the compressor casing 10 side, and a plurality of rotor blades 18 implanted in the rotor 8 so as to be arranged alternately with respect to the stator vanes 16 .
  • Air is taken in through an air intake 12 and sent to the compressor 2. This air passes through a plurality of stator vanes 16 and a plurality of rotor blades 18 and is compressed to become high-temperature, high-pressure compressed air.
  • the combustor 4 is supplied with fuel and compressed air generated by the compressor 2, and the fuel is combusted in the combustor 4 to generate combustion gas, which is the working fluid of the turbine 6.
  • the gas turbine 1 has multiple combustors 4 arranged circumferentially around the rotor 8 inside the casing 20.
  • the turbine 6 has a combustion gas passage 28 formed by the turbine casing 22, and includes a plurality of stator vanes 24 and rotor blades 26 provided in the combustion gas passage 28.
  • the stator vanes 24 and rotor blades 26 of the turbine 6 are provided downstream of the combustor 4 with respect to the flow of combustion gas.
  • the stator vanes 24 are fixed to the turbine casing 22 side, and a plurality of the stator vanes 24 arranged along the circumferential direction of the rotor 8 constitute a stator vane row.
  • the moving blades 26 are implanted in the rotor 8, and a plurality of the moving blades 26 arranged along the circumferential direction of the rotor 8 constitute a moving blade row.
  • stator vane rows and moving blade rows are arranged alternately in the axial direction of the rotor 8.
  • the combustion gas from the combustor 4 that flows into a combustion gas passage 28 passes through the multiple stator vanes 24 and multiple rotor blades 26, thereby driving the rotor 8 to rotate about the axis O, thereby driving a generator connected to the rotor 8 to generate electricity.
  • the combustion gas that has driven the turbine 6 is exhausted to the outside via an exhaust chamber 30.
  • FIG. 2 is a schematic diagram showing an inlet portion of a combustor 4 and a turbine 6 of a gas turbine 1 according to one embodiment.
  • each of the combustors 4 (see FIG. 1) arranged in a circumferential direction around the rotor 8 includes a combustion liner (combustor liner) 36 provided in a combustor casing 32 defined by the casing 20, a first combustion burner 38 arranged in each of the combustion liner 36, and a plurality of second combustion burners 44 arranged to surround the first combustion burner 38. That is, the combustion liner 36, the first combustion burner 38, and the second combustion burner 44 are housed in the casing 20.
  • the combustion cylinder (combustor liner) 36 has an inner cylinder 48 arranged around the first combustion burner 38 and the multiple second combustion burners 44, and a transition piece 50 connected to the tip of the inner cylinder 48.
  • the inner cylinder 48 and the transition piece 50 may be formed integrally.
  • the first combustion burner 38 is disposed along the direction of the central axis C1 of the combustion liner 36 (i.e., the axial direction of the combustor 4), and has a first fuel nozzle 40 for injecting fuel. Fuel is supplied to the first fuel nozzle 40 via a first fuel port 42.
  • the second combustion burner 44 has a second fuel nozzle 46 for injecting fuel. Fuel is supplied to the second fuel nozzle 46 via the second fuel port 43.
  • the combustor 4 further includes an outer cylinder 52 provided on the outer periphery of the inner cylinder 48 inside the casing 20.
  • An air passage 54 through which compressed air flows is formed on the outer periphery of the inner cylinder 48 and on the inner periphery of the outer cylinder 52.
  • Compressed air generated by the compressor 2 (see Figure 1) is supplied into the combustor casing 32 via the casing inlet 31, and the compressed air flows from the combustor casing 32 into the air passage 54 as combustion air, where it is redirected by a wall portion 53 provided along a surface perpendicular to the axial direction of the combustor 4, and flows into the burner tubes of each combustion burner 38, 44.
  • the fuel injected from the fuel nozzle is mixed with the compressed air (combustion air), and this mixture flows into the combustion tube 36, where it is ignited and combusted, generating combustion gas.
  • the above-mentioned first combustion burner 38 may be a burner for generating a diffusion combustion flame
  • the second combustion burner 44 may be a burner for burning a premixed gas and generating a premixed combustion flame.
  • the combustor 4 may also include other components such as a bypass pipe (not shown) for bypassing the combustion gas.
  • FIG. 3A is a perspective, half-sectional view of a support device 100 according to one embodiment.
  • FIG. 3B is a perspective half-sectional view of a support device 100 according to another embodiment.
  • FIG. 4A is a schematic cross-sectional view for explaining an example of the structure of the support device 100 according to some embodiments.
  • FIG. 4B is a schematic cross-sectional view for explaining another example of the structure of the support device 100 according to some embodiments.
  • FIG. 4C is a schematic cross-sectional view for explaining another example of the structure of the support device 100 according to some embodiments.
  • FIG. 4D is a schematic cross-sectional view for explaining another example of the structure of the support device 100 according to some embodiments.
  • the support device 100 is a support device 100 for supporting a second member having a second wall facing a first member having a first wall.
  • a support device 100 is a support device that supports a steam pipe 72 as a first member and a combustion tube 36 as a second member while allowing the relative movement of the two members.
  • the steam pipe 72 is a pipe through which steam for cooling the combustor 4 flows, for example. Cooling steam is supplied to the steam pipe 72 via a steam port 74.
  • the support device 100 comprises at least one first strut 111 , at least one second strut 121 , and a connector 150 .
  • the first strut 111 has a first base end 112 connected to the pipe wall 73 of the steam pipe 72 as the first wall, and a first tip end 113 which is the end opposite the first base end 112, and is a columnar or rod-shaped member extending from the first base end 112 to the first tip end 113 toward the cylinder 39 as the second wall.
  • eight first struts 111 are arranged at intervals in the circumferential direction around the central axis Ax of the support device 100.
  • the first base end 112 is connected to the tube wall 73 as the first wall via the first end plate 101.
  • the first end plate 101 is, for example, an annular member having an opening 101 a.
  • the support device 100 includes the first end plate 101, which makes it easier to connect the support device 100 to the vessel wall 73 compared to directly connecting each of the first proximal ends 112 of the first struts 111 to the vessel wall 73.
  • the first base end portion 112 may be directly connected to the pipe wall 73 without passing through the first end plate 101.
  • the second strut 121 has a second base end 122 connected to the cylindrical body 39 as the second wall, and a second tip end 123 which is an end opposite to the second base end 122 and is positioned closer to the tube wall 73 as the first wall than the first tip end 113, and is a columnar or rod-shaped member extending from the second base end 122 to the second tip end 123, passing through the first tip end 113 toward the tube wall 73 as the first wall.
  • eight second struts 121 are arranged at intervals in the circumferential direction around the central axis Ax of the support device 100.
  • the second base end portion 122 is connected to a cylinder 39 as a second wall via a second end plate 102.
  • the second end plate 102 may be, for example, a disk-shaped member, but may also have an opening like the first end plate 101.
  • the support device 100 includes the second end plate 102, which makes it easier to connect the support device 100 to the barrel 39 compared to directly connecting each of the second base ends 122 of the second struts 121 to the barrel 39.
  • the second base end portion 122 may be directly connected to the cylindrical body 39 without going through the second end plate 102 .
  • the connecting portion 150 has at least one third strut 131 extending along the extension direction in a position range between the first tip 113 and the second tip 123 in the extension direction of the first strut 111 and the second strut 121, and is configured to connect the first tip 113 of the first strut 111 and the second tip 123 of the second strut 121.
  • the support device 100 shown in FIGS. 3A and 3B for example, eight third struts 131 are arranged at intervals in the circumferential direction around the central axis Ax of the support device 100.
  • the first strut 111 and the second strut 121 are connected in series in a zigzag shape via the connecting portion 150. That is, in the support device 100 according to some embodiments, the first strut 111, the connecting portion 150, and the second strut 121 are connected in series in a zigzag shape.
  • the first struts 111 and the second struts 121 are bent in a direction intersecting the above-mentioned extension direction, thereby allowing the relative positions of the steam pipe 72 and the combustion tube 36 to change in a direction intersecting the above-mentioned extension direction, while supporting the opposing components (the steam pipe 72 and the combustion tube 36).
  • the support strength for supporting the opposing components is ensured, while the displacement between the steam pipe 72 as the first component and the combustion tube 36 as the second component in a direction intersecting the above-mentioned extension direction can be absorbed.
  • the support device 100 may be attached to the steam pipe 72 and the combustion tube 36 in the position shown in Figures 3A, 3B, 4A, 4B, 4C, and 4D, or may be attached to the steam pipe 72 and the combustion tube 36 in a position that is upside down from the position shown in Figures 3A, 3B, 4A, 4B, 4C, and 4D.
  • some embodiments of the support device 100 may include a plurality of first struts 111. In some embodiments of the support device 100, the number of first struts 111 may be three or more. Similarly, as shown in Figures 3A, 3B, 4A, 4B, and 4C, some embodiments of the support device 100 may include a plurality of second struts 121. In some embodiments of the support device 100, the number of second struts 121 may be three or more.
  • the multiple first struts 111, the multiple second struts 121, and the multiple third struts 131 may be arranged in a circumferential direction of three or more struts centered on a central axis Ax along the extension direction. This makes it possible to suppress a decrease in the rigidity of the support device 100 in a specific lateral direction when the steam pipe 72 and the combustion liner 36 are displaced in the lateral direction.
  • the support device 100 may have a minimum configuration of a connecting portion 150 having one first strut 111, one second strut 121, and one third strut 131, as shown in FIG. 4D.
  • the third strut 131 of the connecting portion 150 has one end 132 connected to the first tip portion 113 and the other end 133 connected to the second tip portion 123 at a position closer to the tube wall 73, which serves as the first wall, than the one end 132.
  • the first tip portion 113 and one end 132 of the third strut 131 may be connected via a first connecting portion 151 for connecting the first tip portion 113 and one end 132 of the third strut 131 as shown in FIG. 4D, or may be connected directly without using the first connecting portion 151.
  • the second tip portion 123 and the other end 133 of the third strut 131 may be connected via a second connecting portion 152 for connecting the second tip portion 123 and the other end 133 of the third strut 131, as shown in FIG. 4D, or may be connected directly without via the second connecting portion 152.
  • the third strut 131 of the connecting portion 150 has one end 132 connected to the first tip portion 113 and the other end 133 connected to the second tip portion 123 at a position closer to the pipe wall 73, which serves as the first wall, than the one end 132.
  • This makes it possible to absorb displacement in the lateral direction between the steam pipe 72 and the combustion liner 36, i.e., in the direction intersecting the extending direction of the first strut 111 and the second strut 121, with a relatively simple configuration.
  • one end 132 and the other end 133 of the third strut 131 which are both ends, are connected to the first tip portion 113 of the first strut 111 and the second tip portion 123 of the second strut 121, so that the size and weight of these connection parts can be reduced.
  • This makes it possible to increase the natural frequency of the support device 100 itself, thereby avoiding resonance and preventing damage or functional failure of the support device 100.
  • the connector 150 includes a plurality of third struts 131.
  • the first strut 111, the third strut 131, and the second strut 121 are connected in a zigzag manner, so that even if the distance between the steam pipe 72 and the combustion chamber 36 is short, lateral displacement between the steam pipe 72 and the combustion chamber 36 is permitted while vertical displacement between the steam pipe 72 and the combustion chamber 36, i.e., in the extension direction, is suppressed.
  • each first strut 111 may be spaced apart in the circumferential direction around the central axis Ax of the support device 100.
  • each second strut 121 may be spaced apart in the circumferential direction around the central axis Ax of the support device 100.
  • the connecting portion 150 includes a first connecting portion 151 to which first tip portions 113 of a plurality of first struts 111 arranged in the circumferential direction at a first radial position Pd1 around a central axis Ax along the extension direction are connected, and a second connecting portion 152 to which second tip portions 123 of a plurality of second struts 121 arranged in the circumferential direction at a second radial position Pd2 that is more inward than the first radial position Pd1.
  • the first connecting portion 151 is connected to the second connecting portion 152 via a third strut 131.
  • the radial positions at 1/2 of the length along the extension direction of the first strut 111 and the second strut 121 are defined as the first radial position Pd1 and the second radial position Pd2.
  • each of the second struts 121 is positioned radially inward about the central axis Ax than each of the first struts 111.
  • the first connecting portion 151 and the second connecting portion 152 are connected by a plurality of third struts 131 arranged at intervals in the circumferential direction centered on the central axis Ax. That is, in the support device 100 shown in Figures 3A, 3B, 4A, and 4B, one end 132 of the plurality of third struts 131 arranged in parallel is connected to the first connecting portion 151, and the other end 133 of the plurality of third struts 131 arranged in parallel is connected to the second connecting portion 152.
  • the connecting portion 150 has a plurality of third struts 131 arranged at different positions in the radial direction centered on the central axis Ax. Specifically, in the support device 100 shown in Figure 4C, the connecting portion 150 has a plurality of outer third struts 131A arranged at intervals in the circumferential direction at a third radial position Pd3 that is radially inward from the first radial position Pd1 described above and closest to the first radial position Pd1.
  • the connecting portion 150 has a plurality of intermediate third struts 131B arranged at intervals in the circumferential direction at a fourth radial position Pd4 that is radially inward from and closest to the third radial position Pd3 described above.
  • the coupling portion 150 has a plurality of inner third struts 131C that are arranged at intervals in the circumferential direction at a fifth radial position Pd5 that is radially inward from and closest to the fourth radial position Pd4 described above.
  • the fifth radial position Pd5 is a radially outer radial position than the second radial position Pd2 described above and closest to the second radial position Pd2.
  • one end 132 of a plurality of outer third struts 131A arranged in parallel is connected to the first connecting portion 151, and the other end 133 of a plurality of inner third struts 131C arranged in parallel is connected to the second connecting portion 152.
  • the connecting portion 150 has an outer third connecting portion 153A that connects the other ends 133 of multiple outer third struts 131A arranged in parallel to one ends 132 of multiple intermediate third struts 131B arranged in parallel.
  • the connecting portion 150 has an inner third connecting portion 153B that connects the other ends 133 of multiple intermediate third struts 131B arranged in parallel to one ends 132 of multiple inner third struts 131C arranged in parallel.
  • the first strut 111, the third strut 131, and the second strut 121 are connected in a zigzag manner, so that displacement in the horizontal direction between the steam pipe 72 and the combustion tube 36, i.e., in a direction intersecting the extension direction of the first strut 111 and the second strut 121, can be permitted, while displacement in the vertical direction between the steam pipe 72 and the combustion tube 36, i.e., in the above-mentioned extension direction, can be made relatively small.
  • three third struts 131, the outer third strut 131A, the middle third strut 131B, and the inner third strut 131C are connected in series at the connecting portion 150, but an odd number of third struts 131, five or more, may be connected in series.
  • the second connecting portion 152 may or may not overlap with the first end plate 101 in the axial direction centered on the central axis Ax.
  • the first connecting portion 151 may or may not overlap with the second end plate 102 in the axial direction centered on the central axis Ax.
  • the outer third connecting portion 153A may or may not overlap with the second connecting portion 152 and the first end plate 101 in the axial direction centered on the central axis Ax.
  • the inner third connecting portion 153B may or may not overlap with the first connecting portion 151 and the second end plate 102 in the axial direction centered on the central axis Ax.
  • the first connector 151 is an annular connector having a first opening 151a through which the second struts 121 can pass.
  • each of the second struts 121 is arranged to pass through the first opening 151a of the first connector 151.
  • each second strut 121 that passes through the first tip portion 113 and extends to the second base end portion 122 toward the pipe wall 73 passes through the first opening 151a of the first connecting portion 151 to which the multiple first tip portions 113 are connected, thereby preventing interference between the second struts 121 and the first connecting portion 151.
  • the first connecting portion 151 can be made lighter by providing the first opening 151a in the first connecting portion 151, and the natural frequency of the support device 100 itself can be increased, so that resonance can be avoided and damage or functional failure of the support device 100 can be prevented.
  • the second connecting portion 152 may be an annular connecting portion having a second opening 152a.
  • the second connecting portion 152 can be made lighter and the natural frequency of the support device 100 itself can be increased, so that resonance can be avoided and damage or malfunction of the support device 100 can be prevented.
  • the inner third connecting portion 153B is an annular connecting portion having an opening 153Ba through which multiple second struts 121 can pass.
  • each of the second struts 121 is arranged to pass through the opening 153Ba of the inner third connecting portion 153B.
  • each of the third struts 131 is inclined with respect to the central axis Ax so that the size of the second connecting portion 152 becomes smaller. That is, in the support device 100 shown in Fig. 4B, each of the third struts 131 is disposed so as to approach the central axis Ax from one end 132 connected to the first connecting portion 151 toward the other end 133 connected to the second connecting portion 152. This allows the second connecting portion 152 to be reduced in size and weight, and the natural frequency of the support device 100 itself to be increased, thereby avoiding resonance and preventing damage or malfunction of the support device 100.
  • each of the second struts 121 is arranged so as to approach the central axis Ax as it moves from the second tip end 123 connected to the second connecting portion 152 to the second base end 122 connected to the second end plate 102.
  • This allows the size and weight of the first connecting portion 151 to be reduced and the natural frequency of the support device 100 itself to be increased, thereby making it possible to avoid resonance and prevent damage or malfunction of the support device 100.
  • each of the second struts 121 may be arranged to move away from the central axis Ax as it moves from the second tip end 123 connected to the second connection portion 152 to the second base end 122 connected to the second end plate 102.
  • each of the first struts 111 is positioned so as to approach the central axis Ax as it moves from the first base end 112 connected to the first end plate 101 to the first tip end 113 connected to the first connecting portion 151.
  • This allows the size and weight of the first connecting portion 151 to be reduced and the natural frequency of the support device 100 itself to be increased, thereby making it possible to avoid resonance and prevent damage or malfunction of the support device 100.
  • each of the first struts 111, each of the second struts 121, and each of the third struts 131 are arranged so as to be inclined with respect to the central axis Ax.
  • each of the first struts 111 does not have to be inclined with respect to the central axis Ax.
  • the support device 100 shown in FIG. 4B as long as at least one of each of the second struts 121 or each of the third struts 131 is arranged so as to be inclined with respect to the central axis Ax, each of the first struts 111 does not have to be inclined with respect to the central axis Ax.
  • each of the second struts 121 does not have to be inclined with respect to the central axis Ax.
  • each of the third struts 131 does not have to be inclined with respect to the central axis Ax.
  • each of the first struts 111 may be arranged so as to be inclined with respect to the central axis Ax
  • each of the second struts 121 may be arranged so as to be inclined with respect to the central axis Ax.
  • each of the outer third struts 131A may be arranged so as to be inclined relative to the central axis Ax
  • each of the intermediate third struts 131B may be arranged so as to be inclined relative to the central axis Ax
  • each of the inner third struts 131C may be arranged so as to be inclined relative to the central axis Ax.
  • FIG. 5A is a cross-sectional view taken along line AA of FIG. 4A.
  • FIG. 5B is a cross-sectional view taken along line BB of FIG. 4B.
  • FIG. 5C is a cross-sectional view taken along the line CC in FIG. 4B.
  • each of the first tip portions 113 of the multiple first struts 111 and each of the one ends 132 of the multiple third struts 131 are arranged at different radial positions in the first connecting portion 151.
  • each of the second tip portions 123 of the multiple second struts 121 and each of the other ends 133 of the multiple third struts 131 are arranged alternately in the circumferential direction at the same radial position in the second connecting portion 152.
  • the size and weight of the second connecting portion 152 can be reduced, and the natural frequency of the support device 100 itself can be increased, thereby avoiding resonance and preventing damage or functional failure of the support device 100.
  • each of the second tip portions 123 of the multiple second struts 121 and each of the other ends 133 of the multiple inner third struts 131C may be arranged alternately in the circumferential direction at the same radial position in the second connecting portion 152.
  • each of the first tip portions 113 of the multiple first struts 111 and each of the one ends 132 of the multiple third struts 131 are arranged alternately in the circumferential direction at the same radial position in the first connecting portion 151.
  • the size and weight of the first connecting portion 151 can be reduced, and the natural frequency of the support device 100 itself can be increased, thereby avoiding resonance and preventing damage or functional failure of the support device 100.
  • each of the first tip portions 113 of the multiple first struts 111 and each of the one ends 132 of the multiple third struts 131 may be arranged alternately in the circumferential direction at the same radial position in the first connecting portion 151.
  • each of the first tip portions 113 of the multiple first struts 111 and each of the one ends 132 of the multiple outer third struts 131A may be arranged alternately in the circumferential direction at the same radial position in the first connecting portion 151.
  • each of the other ends 133 of the multiple outer third struts 131A and each of the one ends 132 of the multiple intermediate third struts 131B may be arranged alternately in the circumferential direction at the same radial position in the outer third connecting portion 153A.
  • each of the other ends 133 of the multiple intermediate third struts 131B and each of the one ends 132 of the multiple inner third struts 131C may be arranged alternately in the circumferential direction at the same radial position in the inner third connecting portion 153B.
  • the support device 100 shown in Fig. 4C includes a third connecting portion 153.
  • the third connecting portion 153 includes an outer third connecting portion 153A and an inner third connecting portion 153B.
  • the outer third connection portion 153A is connected to the other end 133, which is one end of the outer third strut 131A in the extension direction, and the one end 132, which is one end of the intermediate third strut 131B in the extension direction.
  • the inner third connection portion 153B is connected to the other end 133, which is the other end of the intermediate third strut 131B in the extension direction, and to one end 132, which is the other end of the inner third strut 131C in the extension direction.
  • 4C includes a third connecting portion 153 to which the ends (one end 132, the other end 133) of the multiple third struts are connected.
  • the multiple third struts 131 two adjacent third struts 131 (e.g., an outer third strut 131A and an intermediate third strut 131B) in the radial direction centered on the central axis Ax are connected at one end of the third struts 131 (the other end 133 of the outer third strut 131A and one end 132 of the intermediate third strut 131B) via a third connecting portion 153 (outer third connecting portion 153A).
  • two third struts 131 e.g., the middle third strut 131B and the inner third strut 131C
  • the middle third strut 131B and the inner third strut 131C are connected at their other ends (the other end 133 of the middle third strut 131B and one end 132 of the inner third strut 131C) via a third connecting portion 153 (the inner third connecting portion 153B).
  • the support device 100 shown in FIG. 4C includes third connecting portions 153 that connect one ends or the other ends of the multiple third struts 131 in the extending direction.
  • the third struts 131 can be connected in series in a zigzag manner via the third connecting parts 153, so that the number of zigzag folds can be increased. This increases the allowable amount of lateral displacement between the steam pipe 72 and the combustion liner 36.
  • the first strut 111 and the second strut 121 may have a uniform thickness along their entire length, except for the connection portions with the mating components at both ends.
  • the first strut 111 may be thicker in a region from the first base end 112 to a certain axial position than in a region from that axial position to the first tip end 113. This increases the natural frequency of the support device 100 itself, thereby avoiding resonance and preventing damage or malfunction of the support device 100.
  • the second strut 121 may be made thicker in the region from the second base end 122 to a certain axial position than in the region from that axial position to the second tip end 123. This allows the natural frequency of the support device 100 itself to be increased, thereby avoiding resonance and preventing damage or functional failure of the support device 100.
  • the support device 100 according to some of the embodiments described above can be obtained, for example, by connecting the members constituting the first strut 111, the second strut 121, and the connecting portion 150 by welding. Furthermore, the support device 100 according to some of the embodiments can be obtained by integrally forming the members by additive manufacturing, for example. That is, in the support device 100 according to some embodiments, at least one first strut 111, at least one second strut 121, and the connecting portion 150 may be integrally molded by additive manufacturing. This makes it possible to obtain the support device 100 relatively easily even if the support device 100 has a relatively complicated shape. Whether or not the support device 100 according to some embodiments is formed by additive manufacturing can be determined by looking at a cross section of the support device 100, for example.
  • a manufacturing method of the support device 100 is a manufacturing method of the support device 100 for supporting a combustion tube 36 as a second member having a cylindrical body 39 as a second wall opposed to a first wall of a steam pipe 72 having a pipe wall 73 as a first wall.
  • a manufacturing method for the support device 100 in some embodiments is a manufacturing method in which a connecting portion 150 having at least one first strut 111, at least one second strut 121, and at least one third strut 131 is integrally formed by additive manufacturing. This allows the support device 100 to be manufactured relatively easily even if the support device 100 has a relatively complicated shape.
  • the modeling layers may be sequentially stacked along the central axis Ax.
  • the stacking direction may be the same as the axial direction of the central axis Ax.
  • the support device 100 is a support device that supports the steam pipe 72 as a first member and the combustion tube 36 as a second member while allowing the relative movement of the two members, but the first member and the second member are not limited to the steam pipe 72 and the combustion tube 36.
  • the first member or the second member may be a member disposed to the side of the combustion tube 36, such as a pipe for circulating cooling steam, and the other may be the combustion tube 36.
  • a support device 100 is a support device 100 for supporting a second member (combustion tube 36 or steam tube 72) having a second wall (tube body 39 or tube wall 73) facing a first member (steam tube 72 or combustion tube 36) having a first wall (tube wall 73 or tube body 39).
  • the support device 100 has a first base end 112 connected to the first wall (tube wall 73 or tube body 39) and a first tip end 113 which is an end opposite to the first base end 112, and is provided with at least one first strut 111 extending from the first base end 112 to the first tip end 113 toward the second wall (tube body 39 or tube wall 73).
  • a support device 100 has a second base end 122 connected to the second wall (tubular body 39 or pipe wall 73) and a second tip end 123 that is an end opposite to the second base end 122 and is located closer to the first wall (pipe wall 73 or cylindrical body 39) than the first tip end 113, and is provided with at least one second strut 121 extending from the second base end 122 to the second tip end 123, passing through the first tip end 113 toward the first wall (pipe wall 73 or cylindrical body 39).
  • the support device 100 has at least one third strut 131 extending along the extension direction in a positional range between the first tip end 113 and the second tip end 123 in the extension direction of the first strut 111 and the second strut 121, and is provided with a connecting portion 150 that connects the first tip end 113 of the first strut 111 and the second tip end 123 of the second strut 121.
  • the above configuration (1) ensures the support strength for supporting each other, while absorbing displacement between the first member (steam pipe 72 or combustion tube 36) and the second member (combustion tube 36 or steam pipe 72) in a direction intersecting the extension direction of the first strut 111 and the second strut 121.
  • the connecting portion 150 may include a first connecting portion 151 to which first tip portions 113 of a plurality of first struts 111 arranged circumferentially at a first radial position Pd1 around a central axis Ax along the extension direction are connected, and a second connecting portion 152 to which second tip portions 123 of a plurality of second struts 121 arranged circumferentially at a second radial position Pd2 that is more inward than the first radial position Pd1 are connected.
  • the first connecting portion 151 may be connected to the second connecting portion 152 via a third strut 131.
  • the first strut 111, the third strut 131, and the second strut 121 are connected in a zigzag manner, so that while allowing displacement in the horizontal direction between the first member (steam pipe 72 or combustion tube 36) and the second member (combustion tube 36 or steam pipe 72), i.e., in a direction intersecting the extension direction of the first strut 111 and the second strut 121, displacement in the vertical direction between the first member (steam pipe 72 or combustion tube 36) and the second member (combustion tube 36 or steam pipe 72), i.e., in the above-mentioned extension direction, can be made relatively small.
  • the first connecting portion 151 may be an annular connecting portion having a first opening 151a through which the multiple second struts 121 can pass.
  • each second strut 121 passing through the first tip end 113 and extending toward the first wall (the tube wall 73 or the cylindrical body 39) to the second base end 122 passes through the first opening 151a of the first connecting portion 151 to which the multiple first tip ends 113 are connected, thereby preventing interference between the second struts 121 and the first connecting portion 151.
  • the weight of the first connecting portion 151 can be reduced and the natural frequency of the support device 100 itself can be increased, thereby avoiding resonance and preventing damage or functional failure of the support device 100.
  • the second connecting portion 152 may be an annular connecting portion having a second opening 152a.
  • the second opening 152a can be provided to reduce the weight of the second connecting portion 152 and increase the natural frequency of the support device 100 itself, thereby avoiding resonance and preventing damage or functional failure of the support device 100.
  • the third strut 131 of the connecting portion 150 may have one end 132 connected to the first tip portion 113 and the other end 133 connected to the second tip portion 123 at a position closer to the first wall (pipe wall 73 or cylinder body 39) than the one end 132.
  • the configuration of (5) above is capable of absorbing lateral displacement between the first member (steam pipe 72 or combustion tube 36) and the second member (combustion tube 36 or steam pipe 72) with a relatively simple configuration. Furthermore, with the configuration of (5) above, the one end 132 and the other end 133 of the third strut 131, which are both ends thereof, are connected to the first tip 113 of the first strut 111 and the second tip 123 of the second strut 121, so that the size and weight of these connection parts can be reduced. This allows the natural frequency of the support device 100 itself to be increased, so that resonance can be avoided and damage or functional failure of the support device 100 can be prevented.
  • the connecting portion 150 may include a plurality of third struts 131.
  • the first strut 111, the third strut 131, and the second strut 121 are connected in a zigzag manner, so that even if the distance between the first member (steam pipe 72 or combustion tube 36) and the second member (combustion tube 36 or steam pipe 72) is short, it is possible to suppress displacement in the vertical direction between the first member (steam pipe 72 or combustion tube 36) and the second member (combustion tube 36 or steam pipe 72), i.e., in the above-mentioned extension direction, while allowing displacement in the horizontal direction between the first member (steam pipe 72 or combustion tube 36) and the second member (combustion tube 36 or steam pipe 72), i.e., in a direction intersecting the extension direction of the first strut 111 and the second strut 121.
  • the third struts 131 may have one end 132 connected to the first connecting portion 151 and the other end 133 connected to the second connecting portion 152 at a position closer to the first wall (pipe wall 73 or cylinder body 39) than the one end 132.
  • the third struts 131 may be inclined with respect to the central axis Ax so that the size of the second connecting portion 152 is reduced.
  • the above configuration (7) allows the second connecting portion 152 to be reduced in size and weight, and the natural frequency of the support device 100 itself to be increased, thereby avoiding resonance and preventing damage or functional failure of the support device 100.
  • each of the second tip portions 123 of the multiple second struts 121 and each of the other ends 133 of the multiple third struts 131 may be arranged alternately in the circumferential direction at the same radial position in the second connecting portion 152.
  • the above configuration (8) allows the second connecting portion 152 to be reduced in size and weight, and the natural frequency of the support device 100 itself to be increased, thereby avoiding resonance and preventing damage or functional failure of the support device 100.
  • each of the first tip portions 113 of the multiple first struts 111 and each of the one ends 132 of the multiple third struts 131 may be arranged alternately in the circumferential direction at the same radial position in the first connecting portion 151.
  • the above configuration (9) allows the size and weight of the first connecting portion 151 to be reduced, and the natural frequency of the support device 100 itself to be increased, thereby avoiding resonance and preventing damage or functional failure of the support device 100.
  • the configuration of (2) above may include a third connecting portion 153 to which the ends of the multiple third struts 131 are connected.
  • the multiple third struts 131 two third struts 131 adjacent to each other in the radial direction centered on the central axis Ax may be connected via the third connecting portion 153 at one end (one end 132, the other end 133) or at the other end (one end 132, the other end 133).
  • multiple third struts 131 can be connected in series in a zigzag manner via the third connecting portion 153, so the number of zigzag folds can be increased. This increases the allowable amount of lateral displacement between the first member (steam pipe 72 or combustion tube 36) and the second member (combustion tube 36 or steam pipe 72).
  • the multiple first struts 111, the multiple second struts 121, and the multiple third struts 131 may be arranged in a circumferential direction centered on the central axis Ax along the extension direction, in sets of three or more.
  • the above configuration (11) can prevent the rigidity of the support device 100 from decreasing in a specific lateral direction when the first member (steam pipe 72 or combustion tube 36) and the second member (combustion tube 36 or steam pipe 72) are displaced in the lateral direction.
  • the configuration of (11) above may include a first end plate 101 to which the first base ends 112 of a plurality of first struts 111 arranged in a circumferential direction about a central axis Ax along the extension direction are connected.
  • the first base ends 112 may be connected to the first wall (the pipe wall 73 or the cylindrical body 39) via the first end plate 101.
  • the above configuration (12) makes it easier to connect the support device 100 to the first wall (the pipe wall 73 or the cylindrical body 39) compared to a case where each of the first base ends 112 of the multiple first struts 111 is directly connected to the first wall (the pipe wall 73 or the cylindrical body 39).
  • the configuration of (12) above may include a second end plate 102 to which the second base ends 122 of the second struts 121 arranged in a circumferential direction about a central axis Ax along the extension direction are connected.
  • the second base ends 122 may be connected to the second wall (the cylinder 39 or the pipe wall 73) via the second end plate 102.
  • the above configuration (13) makes it easier to connect the support device 100 to the second wall (the cylindrical body 39 or the pipe wall 73) compared to a case where each of the second base ends 122 of the multiple second struts 121 is directly connected to the second wall (the cylindrical body 39 or the pipe wall 73).
  • At least one first strut 111, at least one second strut 121, and the connecting portion 150 may be integrally molded by additive manufacturing.
  • the above configuration (14) makes it relatively easy to obtain the support device 100 even if the support device 100 has a relatively complex shape.
  • a manufacturing method of the support device 100 according to at least one embodiment of the present disclosure is a manufacturing method of the support device 100 for supporting a second member (combustion tube 36 or steam tube 72) having a second wall (tube body 39 or tube wall 73) facing a first member (steam tube 72 or combustion tube 36) having a first wall (tube wall 73 or tube body 39).
  • the manufacturing method of the support device 100 according to at least one embodiment of the present disclosure integrally forms at least one first strut 111, at least one second strut 121, and the connecting portion 150 by additive manufacturing.
  • At least one first strut 111 has a first base end 112 connected to the first wall (tube wall 73 or tubular body 39) and a first distal end 113 which is an end opposite to the first base end 112, and extends from the first base end 112 toward the second wall (tube wall 39 or tube wall 73) to the first distal end 113.
  • At least one second strut 121 has a second base end 122 connected to the second wall (tube wall 39 or tube wall 73) and a second distal end 123 which is an end opposite to the second base end 122 and is located closer to the first wall (tube wall 73 or tube body 39) than the first distal end 113, and extends from the second base end 122 to the second distal end 123, passing through the first distal end 113, toward the first wall (tube wall 73 or tube body 39).
  • the connecting portion 150 has at least one third strut 131 that extends along the extension direction in a positional range between the first tip 113 and the second tip 123 of the first strut 111 and the second strut 121, and connects the first tip 113 of the first strut 111 and the second tip 123 of the second strut 121.
  • the support device 100 can be manufactured relatively easily even if the support device 100 has a relatively complex shape.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Supports For Pipes And Cables (AREA)

Abstract

L'invention concerne un dispositif de support comprenant : au moins une première entretoise qui a une première extrémité proximale à relier à une première paroi et une première extrémité distale, et s'étend de la première extrémité proximale à la première extrémité distale vers une seconde paroi ; au moins une deuxième entretoise qui a une seconde extrémité proximale à relier à la seconde paroi et une seconde extrémité distale positionnée plus près de la première paroi que la première extrémité distale et s'étend de la seconde extrémité proximale à la seconde extrémité distale vers la première paroi à travers la première extrémité distale ; et une partie de liaison qui a au moins une troisième entretoise s'étendant le long de la direction d'extension de la première entretoise et de la deuxième entretoise dans une plage de position entre la première extrémité distale et la seconde extrémité distale dans la direction d'extension et relie la première extrémité distale de la première entretoise et la seconde extrémité distale de la deuxième entretoise.
PCT/JP2023/038449 2022-11-07 2023-10-25 Dispositif de support et procédé de fabrication du dispositif de support WO2024101149A1 (fr)

Applications Claiming Priority (2)

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JP2022-178109 2022-11-07
JP2022178109 2022-11-07

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01131821A (ja) * 1987-11-17 1989-05-24 Hitachi Ltd ガスタービン燃焼器の支承構造
EP1724481A1 (fr) * 2005-04-01 2006-11-22 BHS-Getriebe GmbH Accouplement à membrane avec elasticité de rotation integrée
JP2008185255A (ja) * 2007-01-30 2008-08-14 Mitsubishi Heavy Ind Ltd ガスタービン燃焼器、支持脚
JP2013130152A (ja) * 2011-12-22 2013-07-04 Mitsubishi Heavy Ind Ltd ガスタービンの燃焼器
US20140093369A1 (en) * 2012-09-28 2014-04-03 United Technologies Corporation Support hanger for flexibly connecting a plurality of panels
WO2015001469A1 (fr) * 2013-07-01 2015-01-08 Scuola Superiore Di Studi Universitari E Di Perfezionamento Sant'anna Élément de transmission de torsion avec réponse élastique
JP2015102244A (ja) * 2013-11-26 2015-06-04 ハネウェル・インターナショナル・インコーポレーテッド 入れ子式フレキシャデバイスを有するアイソレータおよびその製造のための方法
WO2017216740A1 (fr) * 2016-06-17 2017-12-21 Scuola Superiore Di Studi Universitari E Di Perfezionamento Sant'anna Raccord à réponse élastique pour transmettre une force de torsion
JP2021188070A (ja) * 2020-05-27 2021-12-13 三菱重工業株式会社 積層造形方法及び積層造形装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01131821A (ja) * 1987-11-17 1989-05-24 Hitachi Ltd ガスタービン燃焼器の支承構造
EP1724481A1 (fr) * 2005-04-01 2006-11-22 BHS-Getriebe GmbH Accouplement à membrane avec elasticité de rotation integrée
JP2008185255A (ja) * 2007-01-30 2008-08-14 Mitsubishi Heavy Ind Ltd ガスタービン燃焼器、支持脚
JP2013130152A (ja) * 2011-12-22 2013-07-04 Mitsubishi Heavy Ind Ltd ガスタービンの燃焼器
US20140093369A1 (en) * 2012-09-28 2014-04-03 United Technologies Corporation Support hanger for flexibly connecting a plurality of panels
WO2015001469A1 (fr) * 2013-07-01 2015-01-08 Scuola Superiore Di Studi Universitari E Di Perfezionamento Sant'anna Élément de transmission de torsion avec réponse élastique
JP2015102244A (ja) * 2013-11-26 2015-06-04 ハネウェル・インターナショナル・インコーポレーテッド 入れ子式フレキシャデバイスを有するアイソレータおよびその製造のための方法
WO2017216740A1 (fr) * 2016-06-17 2017-12-21 Scuola Superiore Di Studi Universitari E Di Perfezionamento Sant'anna Raccord à réponse élastique pour transmettre une force de torsion
JP2021188070A (ja) * 2020-05-27 2021-12-13 三菱重工業株式会社 積層造形方法及び積層造形装置

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