CN203918568U - Drilling jig for stepped hole of steam seal ring - Google Patents
Drilling jig for stepped hole of steam seal ring Download PDFInfo
- Publication number
- CN203918568U CN203918568U CN201420380785.5U CN201420380785U CN203918568U CN 203918568 U CN203918568 U CN 203918568U CN 201420380785 U CN201420380785 U CN 201420380785U CN 203918568 U CN203918568 U CN 203918568U
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- CN
- China
- Prior art keywords
- seal ring
- main body
- steam seal
- jig
- utility
- 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.)
- Expired - Lifetime
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Abstract
一种汽封环台阶孔钻削夹具，它涉及一种夹具。本实用新型为了解决现有汽封环台阶孔的加工效率低下，尺寸加工精度较低的问题。本实用新型一种汽封环台阶孔钻削夹具，包括夹具主体、钻套、压板、紧固螺钉和支撑螺钉；夹具主体的表面上开有一用于定位汽封环的弧形槽，汽封环置于弧形槽内，压板的上端和下端分别通过紧固螺钉和支撑螺钉与夹具主体固定，压板将汽封环压紧在夹具主体上，夹具主体的上表面设有用于安放钻套的开孔。本实用新型用于汽封环台阶孔的钻削。
The utility model relates to a jig for drilling a stepped hole of a steam seal ring, which relates to a jig. The utility model aims to solve the problems of low processing efficiency and low dimensional processing precision of the stepped hole of the existing steam seal ring. The utility model relates to a drilling jig for a step hole of a steam seal ring, which comprises a fixture main body, a drill sleeve, a pressing plate, a fastening screw and a support screw; an arc-shaped groove for positioning the steam seal ring is opened on the surface of the fixture main body, and the steam seal The ring is placed in the arc groove, the upper end and the lower end of the pressure plate are respectively fixed with the main body of the fixture by fastening screws and support screws, the pressure plate presses the steam seal ring on the main body of the fixture, and the upper surface of the main body of the fixture is provided with a hole for placing the drill sleeve. hole. The utility model is used for drilling the step hole of the steam seal ring.
Description
Technical field
The utility model relates to a kind of fixture, is specifically related to a kind of labyrinth ring stepped hole drilling clamp.
Background technology
Labyrinth ring is one of building block of steam-turbine unit, profile as shown in Figure 1, Figure 2 shown in, its every circle is comprised of 12 segmental arcs.It is designed with sealed groove at outer round surface, plays packing effect, and middle part is designed with connection stepped hole, while processing this stepped hole in original technology, adopts the scribing by bench worker processing mode of drilling again, and working (machining) efficiency is low, is not easy to staff's operation.
Utility model content
The purpose of this utility model is low in order to solve the working (machining) efficiency of existing labyrinth ring stepped hole, the problem that dimensioned precision is lower.And then provide a kind of labyrinth ring stepped hole drilling clamp.
The technical solution of the utility model is: a kind of labyrinth ring stepped hole drilling clamp, comprises jig main body, drill bushing, pressing plate, trip bolt and supporting screw; On the surface of jig main body, have one for locating the deep-slotted chip breaker of labyrinth ring, labyrinth ring is placed in deep-slotted chip breaker, the top and bottom of pressing plate are fixed by trip bolt and supporting screw and jig main body respectively, pressing plate is pressed on labyrinth ring on jig main body, and the upper surface of jig main body is provided with for laying the perforate of drill bushing.
The utility model beneficial effect is as follows: labyrinth ring stepped hole drilling clamp of the present utility model, when processing vapor seal ring stepped hole, labyrinth ring is positioned in the annular groove of jig main body, with labyrinth ring end face, accurately locate radial dimension, save a stroke stepped hole position line operation, greatly improved working (machining) efficiency.Registration, reliable clamping, also improved machining accuracy simultaneously, and hole location is by be increased to ± 0.1mm of former ± 0.3mm.While locating in addition, centering workpiece is convenient and swift, through reality, uses, effective.
Accompanying drawing explanation
Fig. 1 is the labyrinth ring front view of the utility model labyrinth ring stepped hole drilling clamp.
Fig. 2 is the labyrinth ring top view of the utility model labyrinth ring stepped hole drilling clamp.
Fig. 3 is the front view of the utility model labyrinth ring stepped hole drilling clamp.
Fig. 4 is the left view of the utility model labyrinth ring stepped hole drilling clamp.
Fig. 5 is the top view of the utility model labyrinth ring stepped hole drilling clamp.
Fig. 6 is the front view of the utility model labyrinth ring stepped hole drilling clamp main body.
Fig. 7 is the left view of the utility model labyrinth ring stepped hole drilling clamp main body.
Fig. 8 is the top view of the utility model labyrinth ring stepped hole drilling clamp main body.
Fig. 9 is the drill bushing front view of the utility model labyrinth ring stepped hole drilling clamp.
Figure 10 is the drill bushing left view of the utility model labyrinth ring stepped hole drilling clamp.
Figure 11 is the pressing plate front view of the utility model labyrinth ring stepped hole drilling clamp.
Figure 12 is the pressing plate top view of the utility model labyrinth ring stepped hole drilling clamp.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1 to Figure 12, present embodiment is described, a kind of labyrinth ring stepped hole drilling clamp of present embodiment, comprises jig main body 1, drill bushing 2, pressing plate 3, trip bolt 4 and supporting screw 5; On the surface of jig main body 1, have one for locating the deep-slotted chip breaker 6 of labyrinth ring 10, labyrinth ring 10 is placed in deep-slotted chip breaker 6, the top and bottom of pressing plate 3 are fixing with jig main body 1 by trip bolt 4 and supporting screw 5 respectively, pressing plate 3 is pressed on labyrinth ring 10 on jig main body 1, and the upper surface of jig main body 1 is provided with for laying the perforate 9 of drill bushing 2.When processing vapor seal ring stepped hole, labyrinth ring is positioned in the annular groove of jig main body, with labyrinth ring end face, accurately locate radial dimension, saved a stroke stepped hole position line operation, greatly improved working (machining) efficiency.Registration, reliable clamping, also improved machining accuracy simultaneously, and hole location is by be increased to ± 0.1mm of former ± 0.3mm.During location, centering workpiece is convenient and swift, through reality, uses, effective.
The specific embodiment two: present embodiment is described in conjunction with Fig. 1 to Figure 12, the degree of depth of the deep-slotted chip breaker 6 of present embodiment is 40mm, the angle of inclination on its left end inclined-plane is consistent with the angle of labyrinth ring end face, and the both sides of jig main body 1 also have for jig main body 1 being fixed on to the groove 7 on platen.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: in conjunction with Fig. 1 to Figure 12, present embodiment is described, drill bushing 2 inside of present embodiment have is convenient to the chamfering that drill bit passes through.Drill bushing 2 location and installation are in jig main body hole, and during processing step hole, drill bit is by perforate 9, and the setting of chamfering is convenient to drill bit to introduce in drill bushing.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment four: in conjunction with Fig. 1 to Figure 12, present embodiment is described, pressing plate 3 one end of present embodiment have the waist hole 8 of passing through for trip bolt 4, and the other end has the screwed hole coordinating with supporting screw.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment five: in conjunction with Fig. 1 to Figure 12, present embodiment is described, the quantity of the pressing plate 3 of present embodiment, trip bolt 4 or supporting screw 5 is at least two.Other composition and annexation are identical with the specific embodiment one.
Foregoing is only preferred embodiment of the present utility model; not for limiting embodiment of the present utility model; those of ordinary skills are according to main design of the present utility model and spirit; protection domain of the present utility model can carry out very easily corresponding flexible or modification, therefore should be as the criterion with the desired protection domain of claims.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420380785.5U CN203918568U (en) | 2014-07-10 | 2014-07-10 | Drilling jig for stepped hole of steam seal ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420380785.5U CN203918568U (en) | 2014-07-10 | 2014-07-10 | Drilling jig for stepped hole of steam seal ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203918568U true CN203918568U (en) | 2014-11-05 |
Family
ID=51814445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420380785.5U Expired - Lifetime CN203918568U (en) | 2014-07-10 | 2014-07-10 | Drilling jig for stepped hole of steam seal ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203918568U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105642954A (en) * | 2014-11-11 | 2016-06-08 | 哈尔滨建成集团有限公司 | Clamp for drilling of small semi-circular-ring type sheet part |
| CN107052839A (en) * | 2017-02-08 | 2017-08-18 | 哈尔滨汽轮机厂有限责任公司 | One kind processing gland sealing gear fixture |
| CN115971530A (en) * | 2021-10-14 | 2023-04-18 | 西安铁路信号有限责任公司 | Device and method for drilling and processing railway relay square head iron core parts |
-
2014
- 2014-07-10 CN CN201420380785.5U patent/CN203918568U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105642954A (en) * | 2014-11-11 | 2016-06-08 | 哈尔滨建成集团有限公司 | Clamp for drilling of small semi-circular-ring type sheet part |
| CN107052839A (en) * | 2017-02-08 | 2017-08-18 | 哈尔滨汽轮机厂有限责任公司 | One kind processing gland sealing gear fixture |
| CN115971530A (en) * | 2021-10-14 | 2023-04-18 | 西安铁路信号有限责任公司 | Device and method for drilling and processing railway relay square head iron core parts |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |