CN219901905U - Auxiliary fixture for manufacturing steam turbine exhaust cylinder arc plate - Google Patents
Auxiliary fixture for manufacturing steam turbine exhaust cylinder arc plate Download PDFInfo
- Publication number
- CN219901905U CN219901905U CN202321704616.8U CN202321704616U CN219901905U CN 219901905 U CN219901905 U CN 219901905U CN 202321704616 U CN202321704616 U CN 202321704616U CN 219901905 U CN219901905 U CN 219901905U
- Authority
- CN
- China
- Prior art keywords
- arc
- plate
- steam turbine
- turbine exhaust
- groups
- 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.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000003466 welding Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Landscapes
- Arc Welding In General (AREA)
Abstract
The utility model relates to the field of steam turbine manufacturing, and discloses an auxiliary tool for manufacturing an arc plate of a steam turbine exhaust cylinder, which comprises a bottom plate, a first arc plate, a second arc plate and a bracket, wherein the bottom plate is used for supporting two groups of side plates of the arc plate; the axis of the first arc plate is arranged on the bottom plate in parallel with the bottom plate, and a first convex cambered surface matched with the first concave cambered edge of the arc plate is arranged on the side wall of the first arc plate; the axis of the second arc-shaped plate is perpendicular to the bottom plate, a second convex cambered surface matched with the second concave arc edge of the arc plate is arranged on the side wall of the second arc-shaped plate, and the second convex cambered surface is positioned above the first convex cambered surface and is used for supporting the arc plate between the first convex cambered surface and the second convex cambered surface in an inclined manner; the bracket is connected between the bottom plate and the second arc-shaped plate, two groups of diagonal braces positioned on two sides of the first arc-shaped plate are arranged on the bracket, and the two groups of side plates are respectively attached to one group of diagonal braces positioned on the same side; the auxiliary tool for manufacturing the steam turbine exhaust cylinder arc plate has the advantages of simple structure and low cost.
Description
Technical Field
The utility model relates to the field of steam turbine manufacturing, in particular to an auxiliary tool for manufacturing an arc plate of a steam turbine exhaust cylinder.
Background
When the steam turbine exhaust cylinder arc plate shown in the attached figures 4 and 5 is produced, the arc plate body is large in size and structure and provided with a variable cross section arc plate, the variable cross section arc plate comprises an arc plate body in the middle, the arc plate body is provided with a first concave arc edge and a second concave arc edge which are opposite, and two groups of bevel edges connected between the first concave arc edge and the second concave arc edge, and each of the two groups of bevel edges is connected with one group of side plates, so that the variable cross section arc plate has a complex structure and cannot be formed by directly using a rolling bed; and the die is adopted for integral stamping or sectional stamping forming, the die cost is high, and the arc plates used at the positions of the exhaust cylinders of different units are different in structural size, so that the repeated use rate of the die is low, and the manufacturing cost of the arc plates is high.
Therefore, in order to reduce the difficulty and cost of production and manufacture, after the two-dimensional and three-dimensional software is adopted for lofting, the sectional position shown in fig. 5 is determined, the arc plate is split into a plurality of arc segments, and then the arc segments are formed by a plate bending machine.
Disclosure of Invention
The utility model aims to overcome the defects of the background technology and provides an auxiliary tool for manufacturing an arc plate of a steam turbine exhaust cylinder.
The embodiment of the utility model is realized by the following technical scheme:
an auxiliary fixture for manufacturing an arc plate of a steam turbine exhaust cylinder, comprising:
a bottom plate for supporting two sets of side plates of the steam turbine exhaust cylinder arc plate;
the axis of the first arc plate is arranged on the bottom plate in parallel with the bottom plate, and a first convex cambered surface matched with a first concave cambered edge of the steam turbine exhaust cylinder cambered plate is arranged on the side wall of the first arc plate;
the axis of the second arc plate is perpendicular to the bottom plate, a second convex cambered surface matched with a second concave cambered edge of the steam turbine exhaust cylinder cambered plate is arranged on the side wall of the second arc plate, and the second convex cambered surface is positioned above the first convex cambered surface and is used for the inclined support of the steam turbine exhaust cylinder cambered plate between the first convex cambered surface and the second convex cambered surface; and
the bracket is connected between the bottom plate and the second arc-shaped plate, two groups of diagonal braces positioned on two sides of the first arc-shaped plate are arranged on the bracket, and two groups of side plates are respectively attached to one group of diagonal braces positioned on the same side.
Further, two groups of diagonal braces are replaced by two groups of second vertical plates, the lower ends of the two groups of second vertical plates are welded on the bottom plate, the side edges of the two groups of second vertical plates are welded with the second arc plates, and the side plates are attached to the surfaces of the second vertical plates positioned on the same side.
Further, the bracket comprises two groups of first vertical plates positioned on the bottom plate at two sides of the axis of the first arc-shaped plate, each group of first vertical plates is connected with the first ends of one group of diagonal braces, and the second ends of the two groups of diagonal braces are connected to the back surface of the second arc-shaped plate; the two groups of side plates are respectively attached to the first vertical plates on the same side;
the second ends of the two groups of diagonal braces are connected through a first cross rod, and the two groups of first vertical plates are connected through a second cross rod.
Further, the first cross rod is connected with the back surface of the second arc-shaped plate through a top plate.
Further, a connecting rib positioned below the top plate is further arranged between the first convex cambered surface of the first arc-shaped plate and the back surface of the second arc-shaped plate.
The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:
the auxiliary fixture for manufacturing the steam turbine exhaust cylinder arc plate can be used for assembling and positioning the arc plate body and the two groups of side plates, and then directly welding and heat-treating the arc plate body and the two groups of side plates to produce the arc plate, and has the advantages of simple structure and low cost.
Drawings
FIG. 1 is a schematic structural view of an auxiliary fixture for manufacturing an arc plate of a steam turbine exhaust casing according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram illustrating operation of an auxiliary tool for manufacturing an arc plate of a steam turbine exhaust casing according to an embodiment of the present utility model;
FIG. 3 is a schematic view of an auxiliary fixture for manufacturing a steam turbine exhaust casing arc plate according to another embodiment of the present utility model;
FIG. 4 is a schematic view of a steam turbine exhaust casing arc plate;
FIG. 5 is a schematic diagram II of a steam turbine exhaust casing arc plate;
icon: the novel arc-shaped plate comprises a 10-arc plate body, 11-side plates, 12-first concave arc edges, 13-second concave arc edges, 20-bottom plates, 21-first arc plates, 210-first convex arc surfaces, 22-second arc plates, 220-second convex arc surfaces, 23-brackets, 230-first vertical plates, 231-diagonal braces, 232-first transverse rods, 233-top plates, 234-second transverse rods, 235-connecting ribs and 24-second vertical plates.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
An auxiliary fixture for manufacturing the arc plate of the exhaust cylinder of the steam turbine is used for producing the arc plate of the exhaust cylinder of the steam turbine as shown in fig. 4 and 5, wherein, referring to fig. 5, the arc plate is divided into three parts of an arc plate body 10 and two groups of side plates 11 according to the structure, wherein, the arc plate body 10 and the two groups of side plates 11 can be independently processed by processing equipment such as a sampling rolling bed, a punching machine and the like, and finally, a splice welding machine and heat treatment are carried out by the auxiliary fixture for manufacturing the qualified arc plate.
Referring to fig. 1 to 2, the manufacturing auxiliary tool includes a base plate 20, a first arc plate 21, a second arc plate 22, and a bracket 23.
Wherein, the bottom plate 20 is a plate structure made of steel plate, and when the arc plate body 10 and the two sets of side plates 11 are assembled and positioned, the lower ends of the two sets of side plates 11 are supported on the bottom plate 20.
Referring to fig. 1, the first arc plate 21 is made of a rolled steel plate, the axis of the first arc plate 21 is parallel to the bottom plate 20, the concave arc side thereof is downward in any section perpendicular to the axis thereof, and both ends of the concave arc side are welded to the bottom plate 20, that is, the first arc plate 21 has an upward first convex arc surface 210, and in this embodiment, the first convex arc surface 210 matches the contour of the first arc side 12 of the arc plate body 10.
Referring to fig. 1, the second arc plate 22 is curled from a steel plate, and its axis is perpendicular to the plate surface of the bottom plate 20 and is disposed on the bottom plate 20, that is, the axis of the second arc plate 22 is perpendicular to the axis of the first arc plate 21, a second convex arc surface 220 matching with the second concave arc edge 13 of the arc plate body 10 is disposed on the side wall of the second arc plate 22, and the second convex arc surface 220 is located above the first convex arc surface 210.
Referring to fig. 2, when the arc plate body 10 is assembled, the arc plate body 10 is inclined to be supported between the first convex arc surface 210 and the second convex arc surface 220.
Referring to fig. 1, the bracket 20 mainly plays a role in positioning and supporting the second arc-shaped plate 22 and the two sets of side plates 11, the bracket 20 is connected between the bottom plate 20 and the concave surface of the second arc-shaped plate 22, two sets of diagonal braces 231 are arranged on the bracket 23, the two sets of diagonal braces 231 are arranged on two sides of the first arc-shaped plate 21, the two sets of side plates 11 are respectively attached to the set of diagonal braces 231 positioned on the same side, and the arc-shaped plate body 10 and the two sets of side plates 11 are positioned and assembled through the manufacturing auxiliary tool vision line, so that welding is facilitated.
Referring to fig. 1, the bracket 23 includes two sets of first vertical plates 230 located at two sides of the axis of the first arc plate 21, the two sets of first vertical plates 230 are welded on the bottom plate 20 oppositely, each set of first vertical plates 230 is connected with a first end of a set of diagonal braces 231, a second end of each set of diagonal braces 231 is connected on a concave arc surface of the back surface of the second arc plate 22, and the two sets of side plates 11 are attached to the first vertical plates 230 on the same side.
Referring to fig. 1, the second ends of the two sets of diagonal braces 231 are connected by a first rail 232 and the two sets of first risers 230 are connected by a second rail 234.
In addition, to enhance the structural stability of the second arc 22 in a vertical shape, the first cross bar 232 is further connected to and supported by the top plate 233 between the concave arc surfaces of the back surfaces of the second arc 22.
Referring to fig. 3, in one embodiment, two sets of diagonal braces 231 may be replaced by two sets of second risers 24, the lower ends of the two sets of second risers 24 are welded to the bottom plate 20, one side of each set of second risers 24 is welded to the edge of the second arcuate plate 22, and the other side is welded to the first riser 230 located on the bottom plate 20, and in use, the side plates 11 are attached to the surfaces of the second risers 24 located on the same side; in addition, a connecting rib 235 is disposed between the first convex arc surface 210 and the concave arc surface on the back of the second arc plate 22 below the top plate 233.
And each formed arc section is firmly spot-welded with the manufacturing auxiliary tool, each arc section is welded into a whole, and then the tool and the whole arc plate are subjected to annealing heat treatment, so that the accuracy and the stability of the size of the arc plate can be ensured.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. Auxiliary fixtures is made to steam turbine exhaust cylinder arc board, characterized in that includes:
a bottom plate (20) for supporting two sets of side plates (11) of the steam turbine exhaust casing arc plates;
the axis of the first arc plate (21) is arranged on the bottom plate (20) in parallel with the bottom plate (20), and a first convex cambered surface (210) matched with a first concave cambered edge (12) of the steam turbine exhaust cylinder cambered plate is arranged on the side wall of the first arc plate (21);
the axis of the second arc plate (22) is perpendicular to the bottom plate (20) and is arranged on the bottom plate (20), a second convex arc surface (220) matched with a second concave arc edge (13) of the steam turbine exhaust cylinder arc plate is arranged on the side wall of the second arc plate (22), the second convex arc surface (220) is positioned above the first convex arc surface (210), and the steam turbine exhaust cylinder arc plate is inclined and supported between the first convex arc surface (210) and the second convex arc surface (220); and
the bracket (23) is connected between the bottom plate (20) and the second arc-shaped plate (22), two groups of diagonal braces (231) positioned on two sides of the first arc-shaped plate (21) are arranged on the bracket (23), and two groups of side plates (11) are respectively attached to one group of diagonal braces (231) positioned on the same side.
2. The steam turbine exhaust casing arc plate manufacturing auxiliary tool according to claim 1, wherein: two sets of diagonal brace (231) replace two sets of second riser (24), two sets of the lower extreme of second riser (24) all welds on bottom plate (20), and two sets of the side of second riser (24) all with second arc (22) welding links to each other, curb plate (11) laminating location homonymy second riser (24) surface.
3. The steam turbine exhaust casing arc plate manufacturing auxiliary tool according to claim 1, wherein: the bracket (23) comprises two groups of first vertical plates (230) positioned on the bottom plate (20) at two sides of the axis of the first arc-shaped plate (21), each group of first vertical plates (230) is connected with a first end of one group of inclined supporting rods (231), and second ends of the two groups of inclined supporting rods (231) are connected to the back surface of the second arc-shaped plate (22); two groups of side plates (11) are respectively attached to the first vertical plates (230) on the same side;
the second ends of the two groups of diagonal braces (231) are connected through a first transverse rod (232), and the two groups of first vertical plates (230) are connected through a second transverse rod (234).
4. A steam turbine exhaust casing arc plate manufacturing auxiliary tool as claimed in claim 3, wherein: the first cross rod (232) is connected with the back surface of the second arc-shaped plate (22) through a top plate (233).
5. The auxiliary fixture for manufacturing the steam turbine exhaust casing arc plate according to claim 4, wherein: connecting ribs (235) positioned below the top plate (233) are further arranged between the first convex cambered surface (210) of the first arc-shaped plate (21) and the back surface of the second arc-shaped plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321704616.8U CN219901905U (en) | 2023-06-30 | 2023-06-30 | Auxiliary fixture for manufacturing steam turbine exhaust cylinder arc plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321704616.8U CN219901905U (en) | 2023-06-30 | 2023-06-30 | Auxiliary fixture for manufacturing steam turbine exhaust cylinder arc plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219901905U true CN219901905U (en) | 2023-10-27 |
Family
ID=88464180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321704616.8U Active CN219901905U (en) | 2023-06-30 | 2023-06-30 | Auxiliary fixture for manufacturing steam turbine exhaust cylinder arc plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219901905U (en) |
-
2023
- 2023-06-30 CN CN202321704616.8U patent/CN219901905U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219901905U (en) | Auxiliary fixture for manufacturing steam turbine exhaust cylinder arc plate | |
| CN208575183U (en) | A kind of automobile production bending mould | |
| CN211437865U (en) | Five metals electronic component pin cutting device that bends | |
| JP5382231B2 (en) | Mold for machine press | |
| CN210754825U (en) | Steel plate press for processing western-style food forks | |
| CN208322774U (en) | A kind of adjustable general-purpose type boring and milling fixture | |
| CN210730597U (en) | Alignment structure of heat treatment furnace | |
| CN204220755U (en) | A kind of efficiently for the bender of the outer boxboard production of refrigerator showcase | |
| CN112809100A (en) | Gear scraping cutter for machining small-modulus gear | |
| CN208928909U (en) | A kind of rotation laminated type metal folding structure | |
| CN206825367U (en) | Double gun turret laying rack with energization debugging function | |
| CN207943732U (en) | A kind of orientation snap-gauge and the sedan-chair frame using the orientation snap-gauge | |
| CN207138590U (en) | A kind of efficient numerically controlled bender | |
| CN206519462U (en) | A kind of straightener | |
| CN220498275U (en) | Assembly welding working device for single diesel engine frame | |
| CN219234354U (en) | Frock suitable for with many parallelly connected heat exchangers and external casing matching connection | |
| CN204545048U (en) | A kind of multifunction hydraulic plate bending machine | |
| CN211074286U (en) | Stone material processing is with supplementary forming die | |
| CN214721848U (en) | Box post welding auxiliary device | |
| CN214769657U (en) | Comprehensive welding fixture for gear shifting shaft assembly | |
| CN214768038U (en) | Stretch bending mould for carbon steel curved beam | |
| CN209919218U (en) | Welding fixing frame for aluminum alloy square tube welding robot for furniture | |
| CN209919217U (en) | Welding fixing frame for aluminum alloy square tube welding robot for furniture | |
| CN211305337U (en) | Straight curb plate welded fastening equipment | |
| CN212529407U (en) | Automobile seat backrest framework assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |