CN207930340U - Highly-efficient processing steam seal ring segmental arc positions tool - Google Patents
Highly-efficient processing steam seal ring segmental arc positions tool Download PDFInfo
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- CN207930340U CN207930340U CN201820264273.0U CN201820264273U CN207930340U CN 207930340 U CN207930340 U CN 207930340U CN 201820264273 U CN201820264273 U CN 201820264273U CN 207930340 U CN207930340 U CN 207930340U
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- China
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- seal ring
- steam seal
- segmental arc
- clamping fixture
- ring segmental
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Abstract
Highly-efficient processing steam seal ring segmental arc positions tool, and the utility model is related to a kind of positioning tools of processing steam seal ring segmental arc, it is relatively low in order to solve the problems, such as the processing efficiency of existing steam seal ring segmental arc.It includes clamp body, 2 pressing plates and 2 holding screws that the processing steam seal ring segmental arc, which positions tool, clamp body is made of bottom plate and clamping fixture table, clamping fixture table is located on the upper face of bottom plate, the front and rear sides face of clamping fixture table is that arc section respectively forms arc steps, and 2 set screw holes are provided on the table top of clamping fixture table；Pressing plate is placed on the table top of clamping fixture table, and holding screw passes through the strip hole of pressing plate to screw in the set screw hole on clamping fixture table.Positioning tool described in the utility model carries out positioning steam seal ring segmental arc using arc steps, and positioning accuracy is high, and the steam seal ring segmental arc dimensional uniformity of batch machining is good, high in machining efficiency.
Description
Technical field
The utility model is related to a kind of positioning tools of processing steam seal ring segmental arc.
Background technology
Steam seal ring segmental arc is one of steam turbine building block, has multistage packing slot in its bore design, the packing slot is in number
Control milling machine tool machines, and existing processing method is, by steam seal ring segmental arc clamping on platen, then centering, progress
Packing slot is processed, since each is required for a large amount of alignment times, processing efficiency is low, for this purpose, having developed highly-efficient processing packing
It encloses segmental arc and positions tool.
Utility model content
Purpose of the utility model is to solve the relatively low problems of the processing efficiency of existing steam seal ring segmental arc, and provide one
Kind highly-efficient processing steam seal ring segmental arc positions tool.
The utility model highly-efficient processing steam seal ring segmental arc positioning tool includes clamp body, 2 pressing plates and 2 holding screws,
Clamp body is made of bottom plate and clamping fixture table, and clamping fixture table is located on the upper face of bottom plate, the leading flank of clamping fixture table and trailing flank difference
Arc steps are respectively formed for arc section, there are one set screw holes for each side opening on clamping fixture table table top；
Pressing plate is that strip hole is provided in the middle part of plate body, and pressing plate is placed on the table top of clamping fixture table, and holding screw passes through pressing plate
Strip hole screw in clamping fixture table on set screw hole in.
The arc section Yu steam seal ring arc of clamping fixture table two sides in the utility model highly-efficient processing steam seal ring segmental arc positioning tool
Section excircle dimension is consistent, ensures registration.Using holding screw and pressing plate by steam seal ring segmental arc tightly on clamp body.
The utility model devises highly-efficient processing steam seal ring according to steam seal ring arc segment structure feature and packing groove processing situation
Segmental arc positions tool, which carries out positioning steam seal ring segmental arc using arc steps, and positioning accuracy is high, the vapour of batch machining
Seal segmental arc dimensional uniformity is good.The positioning tool every time can location and installation two pieces steam seal ring segmental arc, reduce repeated clamping
Non-cutting time, improve processing efficiency.
Description of the drawings
Fig. 1 is the main structure diagram that the utility model highly-efficient processing steam seal ring segmental arc positions tool；
Fig. 2 is the overlooking structure diagram that the utility model highly-efficient processing steam seal ring segmental arc positions tool；
Fig. 3 is the side structure schematic view that the utility model highly-efficient processing steam seal ring segmental arc positions tool；
Fig. 4 is the main structure diagram of clamp body；
Fig. 5 is the overlooking structure diagram of clamp body；
Fig. 6 is the side structure schematic view of clamp body.
Specific implementation mode
Specific implementation mode one：Present embodiment highly-efficient processing steam seal ring segmental arc positioning tool includes 1,2 pressure of clamp body
Plate 2 and 2 holding screws 3, clamp body 1 are made of bottom plate 1-1 and clamping fixture table 1-2, and clamping fixture table 1-2 is located at the upper plate of bottom plate 1-1
On face, the leading flank of clamping fixture table 1-2 and trailing flank are respectively that arc section respectively forms arc steps 1-3, on clamping fixture table 1-2 table tops
Each side open there are one set screw hole；
Pressing plate 2 is that strip hole 2-1 is provided in the middle part of plate body, and pressing plate 2 is placed on the table top of clamping fixture table 1-2, holding screw 3
Strip hole 2-1 across pressing plate 2 is screwed in the set screw hole on clamping fixture table 1-2.
The arc section of present embodiment clamping fixture table two sides is consistent with steam seal ring segmental arc excircle dimension, the height of arc section
It is equal with the width of steam seal ring segmental arc.The arc section of clamping fixture table both sides is symmetrical.The length of pressing plate guarantees while compressing fixture
The steam seal ring segmental arc of platform both sides.
Specific implementation mode two：The present embodiment is different from the first embodiment in that bottom plate 1-1 and clamping fixture table 1-2 are
Integral structure.
Specific implementation mode three：The present embodiment is different from the first and the second embodiment in that the thickness of bottom plate 1-1 is
20mm。
Specific implementation mode four：The thickness of pressing plate 2 unlike one of present embodiment and specific implementation mode one to three
For 15mm.
Specific implementation mode five：Pressing plate 2 unlike one of present embodiment and specific implementation mode one to four is rectangle
Plate body.
Embodiment：It includes 1,2 pressing plate 2 of clamp body and 2 that the present embodiment formula highly-efficient processing steam seal ring segmental arc, which positions tool,
Holding screw 3, clamp body 1 are made of bottom plate 1-1 and clamping fixture table 1-2, and clamping fixture table 1-2 is located on the upper face of bottom plate 1-1, fixture
The leading flank of platform 1-2 and trailing flank are respectively that arc section respectively forms arc steps 1-3, in the left and right sides of clamping fixture table 1-2 table tops
Set screw hole there are one respectively opening；
Pressing plate 2 is that strip hole 2-1 is provided in the middle part of plate body, and pressing plate 2 is placed on the table top of clamping fixture table 1-2, holding screw 3
Strip hole 2-1 across pressing plate 2 is screwed in the set screw hole on clamping fixture table 1-2.
The radius R of the arc section of the present embodiment clamping fixture table is 1074mm, and the height of arc steps is 50mm.R1074×50
Location and installation steam seal ring segmental arc on step, R1074 sizes are consistent with steam seal ring segmental arc excircle dimension, ensure registration.
Two steam seal ring segmental arc A are individually positioned in the arc steps of clamp body both sides by the present embodiment, and holding screw is worn
The strip hole (kidney slot) for crossing pressing plate screws in the set screw hole on clamping fixture table, by the bottom surface of pressing plate and arc steps by vapour
Seal segmental arc compress positioning, then by clamp body with bottom surface location and installation on platen.
The present embodiment carries out positioning steam seal ring segmental arc using the arc steps of clamp body, and positioning accuracy is high, batch machining
Steam seal ring segmental arc dimensional uniformity is good.The positioning tool every time can location and installation two pieces steam seal ring segmental arc, reduce repeated clamping
Non-cutting time, improve processing efficiency.
Claims (5)
1. highly-efficient processing steam seal ring segmental arc positions tool, it is characterised in that it includes folder that the highly-efficient processing steam seal ring segmental arc, which positions tool,
Specifically (1), 2 pressing plates (2) and 2 holding screws (3), clamp body (1) are made of bottom plate (1-1) and clamping fixture table (1-2), fixture
Platform (1-2) is located on the upper face of bottom plate (1-1), and the leading flank of clamping fixture table (1-2) and trailing flank are respectively that arc section is respectively formed
Arc steps (1-3), there are one set screw holes for each side opening on clamping fixture table (1-2) table top；
Pressing plate (2) is that strip hole (2-1) is provided in the middle part of plate body, and pressing plate (2) is placed on the table top of clamping fixture table (1-2), tightening
Screw (3) passes through the strip hole (2-1) of pressing plate (2) to screw in the set screw hole on clamping fixture table (1-2).
2. highly-efficient processing steam seal ring segmental arc according to claim 1 positions tool, it is characterised in that bottom plate (1-1) and fixture
Platform (1-2) is structure as a whole.
3. highly-efficient processing steam seal ring segmental arc according to claim 1 positions tool, it is characterised in that the thickness of bottom plate (1-1)
For 20mm.
4. highly-efficient processing steam seal ring segmental arc according to claim 1 positions tool, it is characterised in that the thickness of pressing plate (2) is
15mm。
5. highly-efficient processing steam seal ring segmental arc according to claim 1 positions tool, it is characterised in that pressing plate (2) is rectangular slab
Body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820264273.0U CN207930340U (en) | 2018-02-23 | 2018-02-23 | Highly-efficient processing steam seal ring segmental arc positions tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820264273.0U CN207930340U (en) | 2018-02-23 | 2018-02-23 | Highly-efficient processing steam seal ring segmental arc positions tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207930340U true CN207930340U (en) | 2018-10-02 |
Family
ID=63653034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820264273.0U Active CN207930340U (en) | 2018-02-23 | 2018-02-23 | Highly-efficient processing steam seal ring segmental arc positions tool |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702486A (en) * | 2018-11-16 | 2019-05-03 | 中铁三局集团有限公司 | A kind of processing unit (plant) improving tunnel steel arch frame connecting plate splicing accuracy |
| CN109834481A (en) * | 2019-04-03 | 2019-06-04 | 哈尔滨汽轮机厂有限责任公司 | A kind of positioning device and localization method for processing steam turbine inner gland segmental arc |
| CN110508853A (en) * | 2019-09-06 | 2019-11-29 | 哈尔滨汽轮机厂有限责任公司 | The processing method of helical teeth in a kind of helical teeth steam seal ring |
| CN113894720A (en) * | 2021-10-20 | 2022-01-07 | 华能(大连)热电有限责任公司 | Vapor seal arc section fixing method and fixing device thereof |
-
2018
- 2018-02-23 CN CN201820264273.0U patent/CN207930340U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702486A (en) * | 2018-11-16 | 2019-05-03 | 中铁三局集团有限公司 | A kind of processing unit (plant) improving tunnel steel arch frame connecting plate splicing accuracy |
| CN109702486B (en) * | 2018-11-16 | 2020-07-10 | 中铁三局集团有限公司 | Machining device for improving assembling precision of tunnel steel arch frame connecting plate |
| CN109834481A (en) * | 2019-04-03 | 2019-06-04 | 哈尔滨汽轮机厂有限责任公司 | A kind of positioning device and localization method for processing steam turbine inner gland segmental arc |
| CN109834481B (en) * | 2019-04-03 | 2023-12-05 | 哈尔滨汽轮机厂有限责任公司 | Positioning device and positioning method for processing steam seal arc section in steam turbine |
| CN110508853A (en) * | 2019-09-06 | 2019-11-29 | 哈尔滨汽轮机厂有限责任公司 | The processing method of helical teeth in a kind of helical teeth steam seal ring |
| CN113894720A (en) * | 2021-10-20 | 2022-01-07 | 华能(大连)热电有限责任公司 | Vapor seal arc section fixing method and fixing device thereof |
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