CN110125700B - Positioning tool for eccentric boss of gas turbine casing - Google Patents

Positioning tool for eccentric boss of gas turbine casing Download PDF

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Publication number
CN110125700B
CN110125700B CN201910233190.4A CN201910233190A CN110125700B CN 110125700 B CN110125700 B CN 110125700B CN 201910233190 A CN201910233190 A CN 201910233190A CN 110125700 B CN110125700 B CN 110125700B
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China
Prior art keywords
rod
telescopic link
telescopic rod
positioning
telescopic
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CN201910233190.4A
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CN110125700A (en
Inventor
王充聪
吴红琼
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Wuhan Marine Machinery Plant Co Ltd
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Wuhan Marine Machinery Plant Co Ltd
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Priority to CN201910233190.4A priority Critical patent/CN110125700B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Machine Tool Units (AREA)

Abstract

The invention discloses a positioning tool for an eccentric boss of a gas turbine casing, and belongs to the technical field of mechanical manufacturing of gas turbine products. This location frock includes base, locating plate, coupling assembling, first telescopic link and second telescopic link, the base has the centering rod, the one end of first telescopic link with the centering rod is articulated, first telescopic link with the centering rod is perpendicular, the other end of first telescopic link with coupling assembling connects, the one end of second telescopic link with coupling assembling connects, the other end of second telescopic link with the locating plate is perpendicular to be connected, the second telescopic link with first telescopic link with the centering rod is perpendicular, the locating plate with the second telescopic link is connected has the line of location on the surface, the line of location is on a parallel with the axis of centering rod, this location frock can accomplish the location to eccentric boss through the length of adjusting the telescopic link and the mode of rotatory location worker commentaries on classics, has reduced the processing degree of difficulty.

Description

Positioning tool for eccentric boss of gas turbine casing
Technical Field
The invention relates to the technical field of mechanical manufacturing of gas turbine products, in particular to a positioning tool for an eccentric boss of a gas turbine casing.
Background
The gas turbine (GasTurbine) is an internal combustion type power machine which takes continuously flowing gas as a working medium to drive an impeller to rotate at a high speed and converts the energy of fuel into useful work, and is a rotary impeller type heat engine. The gas turbine casing is a cylindrical shell used for mounting an impeller on the gas turbine, and the outer surface of the gas turbine casing is provided with a plurality of eccentric bosses. The eccentric boss on the casing can be used as a fixed seat of other pipeline structures. The eccentric boss may be welded to the case after machining.
The eccentric boss is usually machined by a vertical lathe, and when the eccentric boss is clamped on a workbench of the vertical lathe, in order to ensure that the eccentric boss can be matched with the outer wall of the casing, the eccentric boss is eccentrically arranged on the workbench, and the axis of the eccentric boss is not overlapped with the radial direction of the workbench. Because the workbench of the vertical lathe can only rotate around the Z axis, the portal frame can only horizontally move along the X axis, and when the eccentric boss is placed, the distance between the boss and the rotating axis of the workbench and the placing angle of the eccentric boss are difficult to control, so that the processing difficulty is high.
Disclosure of Invention
The embodiment of the invention provides a positioning tool for an eccentric boss of a gas turbine casing, which can facilitate the positioning of the eccentric boss to reduce the processing difficulty, and the technical scheme is as follows:
the embodiment of the invention provides a positioning tool for an eccentric boss of a gas turbine casing, which comprises a base, a positioning plate, a connecting assembly, a first telescopic rod and a second telescopic rod, wherein the base is provided with a centering rod, one end of the first telescopic rod is hinged with the centering rod, the first telescopic rod is perpendicular to the centering rod, the other end of the first telescopic rod is connected with the connecting assembly, one end of the second telescopic rod is connected with the connecting assembly, the other end of the second telescopic rod is perpendicular to the positioning plate, the second telescopic rod is perpendicular to the first telescopic rod and the centering rod, a positioning line is arranged on the surface of the positioning plate, which is connected with the second telescopic rod, and the positioning line is parallel to the axis of the centering rod.
Optionally, the locating plate of location frock with the second telescopic link can be dismantled and be connected, at least two first locating holes have on the locating plate, the other end of second telescopic link has the mounting panel, the mounting panel have with the second locating hole of at least two first locating hole one-to-one.
Optionally, the positioning tool further comprises a first roller and a first connecting rod, one end of the first connecting rod is rotatably connected with the positioning plate, the first roller is mounted at the other end of the first connecting rod, and the rotating axis of the first connecting rod is parallel to the centering rod.
Optionally, the connecting assembly includes a connecting block, and the first telescopic rod and the second telescopic rod are connected with the connecting block through a bearing.
Optionally, coupling assembling still includes second gyro wheel and second connecting rod, the one end of second connecting rod with the connecting block rotates to be connected, the second gyro wheel is installed the other end of second connecting rod, the second connecting rod with the centering rod is parallel.
Optionally, the first telescopic rod comprises a first rod body and a second rod body, the first rod body is connected with the second rod body through threads, and the structure of the second telescopic rod is the same as that of the first telescopic rod.
Optionally, the first rod body is sleeved with the second rod body.
Optionally, scales are marked on the first telescopic rod and the second telescopic rod.
Optionally, the positioning plate further has a slot and a baffle for being installed in the slot, and the baffle is perpendicular to the second telescopic rod.
Optionally, the joint of the base and the centering rod is provided with at least three reinforcing ribs.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
through setting up the base, the locating plate, coupling assembling, first telescopic link and second telescopic link, the base has the centering rod, when fixing a position, with the pedestal mounting on the revolving platform of lathe, with centering rod and revolving platform center coincidence, make the centering rod be in the centre of rotation of revolving platform, through articulating the one end and the centering rod of first telescopic link, first telescopic link is perpendicular with the centering rod, make first telescopic link can wind the centering rod rotation, through being connected the other end and the coupling assembling of first telescopic link, the one end and the coupling assembling of second telescopic link are connected, the other end and the locating plate of second telescopic link are connected perpendicularly, the second telescopic link is perpendicular with first telescopic link and centering rod, make can be through adjusting the length of first telescopic link and second telescopic link and rotating first telescopic link, change the position of the centre of rotation of locating plate relative revolving platform. Because the surface of the positioning plate connected with the second telescopic rod is provided with the positioning line which is parallel to the axis of the centering rod, the end surface of the eccentric boss can be attached to the surface of the positioning plate connected with the second telescopic rod during positioning, and the central line on the end surface of the eccentric boss is coincided with the positioning line. Just so can calculate the distance of the centre line on the eccentric boss terminal surface and the centre of rotation of revolving platform by the length of first telescopic link and second telescopic link, change the length of first telescopic link and second telescopic link and can change the distance of the centre of rotation of eccentric boss and revolving platform, rotate first telescopic link around the centering rod and just can change the angle that eccentric boss was put to the completion is to the location of eccentric boss, has reduced the processing degree of difficulty of eccentric boss.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic illustration of a gas turbine casing configuration;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of a positioning fixture for an eccentric boss of a gas turbine casing according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a positioning plate according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a connecting assembly according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a first telescopic rod according to an embodiment of the present invention;
fig. 7 is a schematic structural view of another first telescopic rod provided in the embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a base according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a positioning process of an eccentric boss according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a schematic illustration of a gas turbine casing configuration. As shown in fig. 1, the casing includes a casing body 20 and a plurality of eccentric bosses 21, and the casing body 20 is cylindrical. The outer wall of the casing body 20 is provided with a plurality of eccentric bosses 21. Fig. 2 is a sectional view a-a of fig. 1. As shown in fig. 2, a plurality of eccentric bosses 21 are distributed at intervals along the circumferential direction of the casing body 21, and the eccentric bosses 21 are connected to the casing body 20 by welding. Since the eccentric boss 21 is usually machined by a vertical lathe, when the eccentric boss 21 is clamped on a rotary table of the vertical lathe, in order to ensure that the eccentric boss 21 can be matched with the outer wall of the casing body 20, the eccentric boss 21 is eccentrically arranged on the rotary table, and the axis of the eccentric boss 21 is not overlapped with the radial direction of the rotary table. However, the turntable of the vertical lathe can only rotate around the Z axis, and the gantry can only horizontally move along the X axis, so that when the eccentric boss 21 is placed, it is difficult to control the distance between the eccentric boss 21 and the rotation center of the turntable and the angle at which the eccentric boss 21 is placed.
Fig. 3 is a schematic structural view of a positioning tool for an eccentric boss of a gas turbine casing according to an embodiment of the present invention. As shown in fig. 3, the positioning tool includes: base 1, locating plate 2, coupling assembling 3, first telescopic link 4 and second telescopic link 5.
Base 1 has centering rod 6, and the one end of first telescopic link 4 is articulated with centering rod 6, and first telescopic link 4 is perpendicular with centering rod 6, and the other end and the coupling assembling 3 of first telescopic link 4 are connected, and the one end and the coupling assembling 3 of second telescopic link 5 are connected, and the other end and the 2 perpendicular connections of locating plate of second telescopic link 5, second telescopic link 5 and first telescopic link 4 are perpendicular with centering rod 6. Fig. 4 is a schematic structural diagram of a positioning plate according to an embodiment of the present invention. As shown in figure 4, the surface of the positioning plate 2 connected with the second telescopic rod 5 is provided with a positioning line 9, and the positioning line 9 is parallel to the axis of the centering rod 6.
Through setting up the base, the locating plate, coupling assembling, first telescopic link and second telescopic link, the base has the centering rod, when fixing a position, with the pedestal mounting on the revolving platform of lathe, with centering rod and revolving platform center coincidence, make the centering rod be in the centre of rotation of revolving platform, through articulating the one end and the centering rod of first telescopic link, first telescopic link is perpendicular with the centering rod, make first telescopic link can wind the centering rod rotation, through being connected the other end and the coupling assembling of first telescopic link, the one end and the coupling assembling of second telescopic link are connected, the other end and the locating plate of second telescopic link are connected perpendicularly, the second telescopic link is perpendicular with first telescopic link and centering rod, make can be through adjusting the length of first telescopic link and second telescopic link and rotating first telescopic link, change the position of the centre of rotation of locating plate relative revolving platform. Because the surface of the positioning plate connected with the second telescopic rod is provided with the positioning line which is parallel to the axis of the centering rod, the end surface of the eccentric boss can be attached to the surface of the positioning plate connected with the second telescopic rod during positioning, and the central line on the end surface of the eccentric boss is coincided with the positioning line. Just so can calculate the distance of the centre line on the eccentric boss terminal surface and the centre of rotation of revolving platform by the length of first telescopic link and second telescopic link, change the length of first telescopic link and second telescopic link and can change the distance of the centre of rotation of eccentric boss and revolving platform, rotate first telescopic link around the centering rod and just can change the angle that eccentric boss was put to the completion is to the location of eccentric boss, has reduced the processing degree of difficulty of eccentric boss.
As shown in fig. 4, the positioning plate 2 is detachably connected to the second telescopic rod 5, the positioning plate 2 has at least two first positioning holes 7, the other end of the second telescopic rod 5 has a mounting plate 17, and the mounting plate 17 has second positioning holes 8 corresponding to the at least two first positioning holes 7 one to one. The positioning plate 2 and the second telescopic rod 5 are arranged to be detachably connected, so that the positioning tool can be conveniently stored when not used. When locating plate 2 is connected with second telescopic link 5, can be with first locating hole 7 and second locating hole 8 to it, through the locating pin location, conveniently with being connected of locating plate 2 and second telescopic link 5, improved the assembly precision of location frock.
Optionally, the positioning tool may further include a first roller 10 and a first connecting rod 11, one end of the first connecting rod 11 is rotatably connected to the positioning plate 2, the first roller 10 is mounted at the other end of the first connecting rod 11, and a rotation axis of the first connecting rod 11 is parallel to the centering rod 6. When the length of adjustment second telescopic link 5, first gyro wheel 10 can drive locating plate 2 and slide on the revolving platform of lathe, makes things convenient for operating personnel to the operation of location frock, has improved location efficiency.
Optionally, the positioning plate 2 further has a slot 18 and a baffle 22 for being mounted in the slot 18, the baffle 22 being perpendicular to the second telescopic rod 5. Because the first idler wheel 10 and the first connecting rod 11 are connected to the positioning plate 2, when the positioning plate is placed on the rotary table, a larger gap is formed between the positioning plate 2 and the rotary table, so that the eccentric boss with the smaller diameter cannot be in contact with the positioning plate 2, the central line of the eccentric boss cannot be aligned with the positioning line 9 of the positioning plate 2, and the baffle plate 22 can be inserted into the slot 18, so that the eccentric boss can be in contact with the baffle plate 22.
Fig. 5 is a schematic structural diagram of a connection assembly according to an embodiment of the present invention. As shown in fig. 5, the connection assembly 3 may include a connection block 12, and the first and second telescopic bars 4 and 5 are connected to the connection block 12 through bearings. When the positioning tool is combined, the first telescopic rod 4 and the second telescopic rod 5 are in interference cold connection with the connecting block 12 through bearings, the assembly is fastened, and the assembly precision of the positioning tool is further improved.
Optionally, the connecting block 12 may further include a second roller 13 and a second connecting rod 14, one end of the second connecting rod 14 is rotatably connected to the connecting block 12, the second roller 13 is mounted at the other end of the second connecting rod 14, and the second connecting rod 14 is parallel to the centering rod 6. When the length of the first telescopic rod 4 is adjusted, the second roller 13 can drive the connecting block 12 to slide on a rotary table of a lathe, so that the operation of an operator on a positioning tool is facilitated, and the positioning efficiency is further improved.
Fig. 6 is a schematic structural view of a first telescopic rod according to an embodiment of the present invention. As shown in fig. 6, the first telescopic rod 4 includes a first rod 15 and a second rod 16, the first rod 15 and the second rod 16 are connected by a screw thread, and the structure of the second telescopic rod 5 is the same as that of the first telescopic rod 4. When fixing a position eccentric boss, can adjust the length of first telescopic link 4 through twisting the second body of rod 16 of moving first telescopic link 4, convenient operation, and the first body of rod 15 is difficult not hard up with the second body of rod 16.
Illustratively, one end of the first rod 15 has an internal thread, the other end of the first rod 15 is hinged with the centering rod 6, one end of the second rod 16 has an external thread, the other end of the second rod 16 is connected with the connecting block 12, and the internal thread of the first rod 15 can be screwed with the external thread of the second rod 16.
In other possible implementations, the structures of the first rod 15 and the second rod 16 can be reversed, for example, one end of the first rod 15 has an external thread and one end of the second rod 16 has an internal thread.
As shown in fig. 6, the other end of the first rod 15 of the first telescopic rod 4 may have a connection ring 26, and a bearing may be installed in the connection ring 26 to facilitate the rotation of the first telescopic rod 15 by connecting an inner ring of the bearing with the centering bar 6.
The connection ring 26 may have an internal thread therein, the connection ring 26 may be connected to an outer ring of the bearing through the internal thread, and the centering bar 6 may have an external thread, and the centering bar 6 may be connected to an inner ring of the bearing through the external thread.
Fig. 7 is a schematic structural view of another first telescopic rod according to an embodiment of the present invention. As shown in fig. 7, at least one of the first rod 15 and the second rod 16 is a tubular structure, and the first rod 15 and the second rod 16 are sleeved. When the eccentric boss is positioned, the length of the second telescopic rod 5 can be adjusted by pushing and pulling the second rod body 16, and the structure is simple.
Taking fig. 7 as an example, the first rod 15 is a tubular structure, the inner diameter of the first rod 15 is not smaller than the outer diameter of the second rod 16, and the first rod 15 can be sleeved with the second rod 16.
In other possible implementations, the structures of the first rod 15 and the second rod 16 can be reversed, for example, the second rod 16 is a tubular structure, and the inner diameter of the second rod 16 is not smaller than the outer diameter of the first rod 15.
Optionally, the first telescopic rod 4 and the second telescopic rod 5 have scales thereon. The length of first telescopic link 4 and second telescopic link 5 is known to the staff of being convenient for.
When the first rod 15 is screwed to the second rod 16, the scale may be provided on the first rod 15 having an internal thread. As shown in fig. 6, the middle portion of the first rod 15 may have a first outer flange 23, and the scale on the first rod 15 is located on one side of the first outer flange 23. A sleeve 24 can be sleeved outside the second rod 16, one end of the sleeve 24 is connected with the second rod 16, the other end of the sleeve 24 is provided with a second outer flange 25, and the inner diameter of the sleeve 24 is not smaller than the outer diameter of the first rod 15. When the length of the first telescopic rod 4 is adjusted to be shortest, the first outer flange 23 on the first rod body 15 is in contact with the second outer flange 25 sleeved on the sleeve 24 on the second rod body 16, and when the first telescopic rod 4 extends, the length of the first telescopic rod 4 is accurately obtained according to the scale value aligned with the end face of the second outer flange 25.
As shown in fig. 7, when the first rod 15 is sleeved with the second rod 16, the scale is arranged on the second rod 16 with a smaller outer diameter. According to the scale value of the alignment of the end face of the first rod body 15, the length of the first telescopic rod 4 can be accurately obtained.
Fig. 8 is a schematic structural diagram of a base according to an embodiment of the present invention. As shown in fig. 8, the connection between the base 1 and the centering bar 6 has at least three reinforcing ribs 19. Through setting up strengthening rib 19, can improve the intensity of base 1 and centering rod 6 faying face, increase the life of location frock.
The operation of the machining tool is briefly described below with reference to fig. 9. The method mainly comprises the following steps:
in the first step, the base 1 is mounted on a rotary table of a lathe so that the centering rod 6 coincides with the center of the rotary table.
In the second step, the length of the first telescopic rod 4 and the length of the second telescopic rod 5 are adjusted to change the distance between the positioning plate 2 and the centering rod 6.
And thirdly, rotating the first telescopic rod 4 around the centering rod 6 to adjust the angle position of the positioning plate 2 on the rotary table.
And a fourth part, attaching the end surface of the eccentric boss 21 to the surface of the positioning plate 2 connected with the second telescopic rod 5, and making the central line on the end surface of the eccentric boss 21 coincide with the positioning line 9 on the positioning plate 2, thereby completing the positioning of the eccentric boss 21.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The utility model provides a location frock of eccentric boss of gas turbine machine casket which characterized in that includes: a base (1), a positioning plate (2), a connecting component (3), a first telescopic rod (4) and a second telescopic rod (5), the base (1) is provided with a centering rod (6), one end of the first telescopic rod (4) is hinged with the centering rod (6), the first telescopic rod (4) is vertical to the centering rod (6), the other end of the first telescopic rod (4) is connected with the connecting component (3), one end of the second telescopic rod (5) is connected with the connecting component (3), the other end of the second telescopic rod (5) is vertically connected with the positioning plate (2), the second telescopic rod (5) is vertical to the first telescopic rod (4) and the centering rod (6), the surface of the positioning plate (2) connected with the second telescopic rod (5) is provided with a positioning line (9), and the positioning line (9) is parallel to the axis of the centering rod (6).
2. The positioning tool according to claim 1, characterized in that the positioning plate (2) is detachably connected with the second telescopic rod (5), the positioning plate (2) is provided with at least two first positioning holes (7), the other end of the second telescopic rod (5) is provided with a mounting plate (17), and the mounting plate (17) is provided with second positioning holes (8) corresponding to the at least two first positioning holes (7) in a one-to-one manner.
3. The positioning tool according to claim 2, further comprising a first roller (10) and a first connecting rod (11), wherein one end of the first connecting rod (11) is rotatably connected with the positioning plate (2), the first roller (10) is mounted at the other end of the first connecting rod (11), and the rotating axis of the first connecting rod (11) is parallel to the centering rod (6).
4. The positioning tool according to claim 1, characterized in that the connecting assembly (3) comprises a connecting block (12), and the first telescopic rod (4) and the second telescopic rod (5) are connected with the connecting block (12) through bearings.
5. The positioning tool according to claim 4, characterized in that the connecting assembly (3) further comprises a second roller (13) and a second connecting rod (14), one end of the second connecting rod (14) is rotatably connected with the connecting block (12), the second roller (13) is installed at the other end of the second connecting rod (14), and the second connecting rod (14) is parallel to the centering rod (6).
6. The positioning tool according to claim 1, characterized in that the first telescopic rod (4) comprises a first rod body (15) and a second rod body (16), the first rod body (15) and the second rod body (16) are connected through threads, and the structure of the second telescopic rod (5) is the same as that of the first telescopic rod (4).
7. The positioning tool according to claim 6, characterized in that at least one of the first rod (15) and the second rod (16) is a tubular structure, and the first rod (15) and the second rod (16) are sleeved.
8. The positioning tool according to any one of claims 6 to 7, wherein the first telescopic rod (4) and the second telescopic rod (5) are provided with scales.
9. The positioning tool according to any one of claims 1 to 7, characterized in that the positioning plate (2) further comprises a slot (18) and a baffle plate (22) installed in the slot (18), and the baffle plate (22) is perpendicular to the second telescopic rod (5).
10. The positioning tool according to any one of claims 1 to 7, characterized in that the joint of the base (1) and the centering rod (6) is provided with at least three reinforcing ribs (19).
CN201910233190.4A 2019-03-26 2019-03-26 Positioning tool for eccentric boss of gas turbine casing Active CN110125700B (en)

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CN202461888U (en) * 2012-03-16 2012-10-03 哈尔滨汽轮机厂有限责任公司 Horizontal flange clamping welding and annealing device of rotatable stationary guide blade casing of combustion gas turbine
WO2014197044A2 (en) * 2013-03-12 2014-12-11 United Technologies Corporation Vane tip machining fixture assembly
CN107378366A (en) * 2017-06-29 2017-11-24 武汉船用机械有限责任公司 A kind of gas turbine casing welding tooling
CN208099846U (en) * 2018-03-30 2018-11-16 中国船舶重工集团公司第十二研究所 A kind of processing unit (plant) of tilting pad eccentric inner hole
CN108844436A (en) * 2018-06-29 2018-11-20 广船国际有限公司 Rotary pipe school fills tooling
CN109128873A (en) * 2018-11-01 2019-01-04 广州南捷机械制造有限公司 Fixture is used in a kind of machining

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Publication number Priority date Publication date Assignee Title
DE102010004739A1 (en) * 2010-01-14 2011-07-21 Prüß, Ludwig, 38104 Device for clamping workpieces on a base

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202461888U (en) * 2012-03-16 2012-10-03 哈尔滨汽轮机厂有限责任公司 Horizontal flange clamping welding and annealing device of rotatable stationary guide blade casing of combustion gas turbine
WO2014197044A2 (en) * 2013-03-12 2014-12-11 United Technologies Corporation Vane tip machining fixture assembly
CN107378366A (en) * 2017-06-29 2017-11-24 武汉船用机械有限责任公司 A kind of gas turbine casing welding tooling
CN208099846U (en) * 2018-03-30 2018-11-16 中国船舶重工集团公司第十二研究所 A kind of processing unit (plant) of tilting pad eccentric inner hole
CN108844436A (en) * 2018-06-29 2018-11-20 广船国际有限公司 Rotary pipe school fills tooling
CN109128873A (en) * 2018-11-01 2019-01-04 广州南捷机械制造有限公司 Fixture is used in a kind of machining

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CN110125700A (en) 2019-08-16

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