CN204235205U - Control Stage of Steam Turbine moving vane milling shroud inner arc side and back of the body arc side inclined plane clamp - Google Patents
Control Stage of Steam Turbine moving vane milling shroud inner arc side and back of the body arc side inclined plane clamp Download PDFInfo
- Publication number
- CN204235205U CN204235205U CN201420694885.5U CN201420694885U CN204235205U CN 204235205 U CN204235205 U CN 204235205U CN 201420694885 U CN201420694885 U CN 201420694885U CN 204235205 U CN204235205 U CN 204235205U
- Authority
- CN
- China
- Prior art keywords
- bearing
- arc side
- fixed
- rotary table
- clamp body
- 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
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The utility model discloses a kind of Control Stage of Steam Turbine moving vane milling shroud inner arc side and back of the body arc side inclined plane clamp, it comprises rotary table, powerful electromagnetic sucker, numerical control scale-division dish, the support of bearing and clamp body, it is characterized in that rotary table is provided with powerful electromagnetic sucker and clamp body, the support of bearing is provided with bearing block, bearing block is provided with bearing, the left side of rotary table is connected with numerical control scale-division dish, the right of rotary table is connected with bearing, rotating shaft cylindrical on the right of the front/rear end of bearing block and rotary table is provided with drive end bearing bracket, rear end cap, cover sheet and rear back-up ring, drive end bearing bracket is provided with dust ring, cover sheet is fixed on bearing block by sunk screw.A kind of Control Stage of Steam Turbine moving vane milling shroud inner arc side that the utility model obtains and back of the body arc side inclined plane clamp, positioning precision is high, reliable clamping, simple to operation, inner arc side oblique surface machining and back of the body arc side oblique surface machining can accomplish that clamped one time completes, and are suitable for promoting on a large scale and using.
Description
Technical field
The utility model relates to a kind of fixture, especially a kind of Control Stage of Steam Turbine moving vane milling shroud inner arc side and back of the body arc side inclined plane clamp.
Background technology
Blade is one of critical piece of steam turbine, and especially its steam passage part determines the generated output of steam turbine, directly has influence on the quality of steam turbine product, and along with the development of China's Steam Turbine, the design level of blade is also in continuous raising.My company, in order to improve quality and the intensity of regulating stage blade, devises a kind of novel regulating stage blade, sees figure bis-, what this governing-stage moving blade adopted is integral (tip) shroud, shape is in the little three-legged structure having compound angle, and this shroud difficulty of processing is large, and required precision is high.But the effect of this shroud can reduce the flexure stress of blade working, increase blade rigid, to avoid resonance, forms a closed steam flow passage, reduction and interior leakage losses.In addition blade angle required precision is very high, some Angular Dimension only has the tolerance of 0.01mm, in manufacture, difficulty is very large, processed this shroud was not had more not process the fixture of this shroud in the past, must go out to process the fixture in back of the body arc skew back face in this shroud by independent innovational design, and the Design and manufacture precision of fixture and reliability are had higher requirement.
Utility model content
The purpose of this utility model be deficiency in order to solve above-mentioned technology and provide a kind of add man-hour can clamped one time complete and Control Stage of Steam Turbine moving vane milling shroud inner arc side and the back of the body arc side inclined plane clamp of integral (tip) shroud type governing-stage moving blade can be processed.
In order to achieve the above object, a kind of Control Stage of Steam Turbine moving vane milling shroud inner arc side designed by the utility model and back of the body arc side inclined plane clamp, it comprises rotary table, powerful electromagnetic sucker, numerical control scale-division dish, the support of bearing and clamp body, it is characterized in that rotary table is provided with powerful electromagnetic sucker and clamp body, and powerful electromagnetic sucker is fixed on rotary table by soket head cap screw and straight pin, the support of bearing is provided with bearing block and is fixed by hexagon-headed bolt, bearing block is provided with bearing, the left side of rotary table is connected with numerical control scale-division dish, the right of rotary table is connected with bearing, rotating shaft cylindrical on the right of the front/rear end of bearing block and rotary table is provided with drive end bearing bracket, rear end cap, cover sheet and rear back-up ring, drive end bearing bracket is provided with dust ring, cover sheet is fixed on bearing block by sunk screw, rear end cap is fixed on bearing block by cone end holding screw, and process qualified inclined-plane to ensure, when special fixture and rotary table and powerful electromagnetic sucker are fitted together, must ensure that with the lathe table top depth of parallelism be 0.01mm, step jaw iron and clamp body baseplane perpendicularity are 0.005mm, do not allow to exist the position error that clamping brings, such design solves the processing in governing-stage moving blade shroud inner arc side and back of the body arc skew back face, can not only accomplish that inner arc side oblique surface machining clamped one time completes, can also accomplish back of the body arc side oblique surface machining also clamped one time complete, jig Design is wanted rationally, reliably, be suitable for, can ensure to process qualified inclined-plane, and this fixture is divided into upper and lower two parts, top is divided into special clamping part, bottom is divided into the rotating part of work top and can be general, this fixture can not only process governing-stage moving blade inner arc side and back of the body arc skew back face specially, also can be used for the processing on inner arc sagittal plane 5 ° of 32 ' inclined-plane and little groove 12 ° of inclined-planes, make this fixture not only have stronger specificity and also there is versatility, the greatest benefit of this fixture can be played.
As preferably, regular jaw is provided with in the straight trough of clamp body, and regular jaw is fixed in the straight trough of clamp body by soket head cap screw, clamp body is provided with moving jaw in the T-shaped guide rail of plane, moving jaw is provided with moving jaw pressing plate, and moving jaw is fixed in the T-shaped guide rail of plane on clamp body by moving jaw pressing plate and hexagon-headed bolt, clamp body left end face is provided with T-nut seat, T-nut seat is provided with T-shaped screw rod, and T-shaped screw rod is connected with moving jaw by cylinder end clamping fixed screw, such design screw rod when turning T-type screw rod moves forwards or backwards and moving jaw will be driven to move, and clamp is reliable, operate also simple and convenient.
As preferably, clamp body is provided with cushion block, blade root positioning seat, hexagon-headed bolt and cushion block pressing plate, cushion block is fixed on clamp body by hexagon-headed bolt and cushion block pressing plate, and cushion block is provided with alignment pin, blade root positioning seat is fixed on clamp body by soket head cap screw, and bottom blade root positioning seat with cushion block surface contact, blade root positioning seat end face contacts with alignment pin, blade root compression bar is provided with bottom blade root positioning seat and between cushion block surface, regular jaw and moving jaw are provided with step jaw iron, and step jaw iron is fixed by soket head cap screw, positioning key is provided with in the bottom straight trough of the support of bearing, and positioning key is by soket head cap screw fixing, the front/rear end of powerful electromagnetic sucker is equipped with location-plate, and location-plate is fixed by hexagon-headed bolt, by alignment pin, such design determines that blade root positioning seat loads the exact position in fixture, the method that also keyway of positioning key and lathe table top can be utilized to coincide together is come on running in bearings support and platen, and in order to determine that rotary table is contained in the center on lathe table top, in addition the location-plate be contained on powerful electromagnetic sucker front/rear end also can be used for the location of fixture and other parts.
A kind of Control Stage of Steam Turbine moving vane milling shroud inner arc side that the utility model obtains and back of the body arc side inclined plane clamp, work top can rotate any angle, and rotary table has versatility, clamping part has specificity, and positioning precision is high, reliable clamping, simple to operation, inner arc side oblique surface machining and back of the body arc side oblique surface machining can accomplish that clamped one time completes, and are applicable to the processing of this blade slopes, are suitable for promoting on a large scale and using.
Accompanying drawing explanation
Fig. 1 is example structure schematic diagram.
Fig. 2 is the governing-stage moving blade schematic diagram of embodiment processing.
In figure: rotary table 1, powerful electromagnetic sucker 2, location-plate 3, hexagon-headed bolt 4, moving jaw pressing plate 5, cushion block pressing plate 6, soket head cap screw 7, drive end bearing bracket 8, dust ring 9, cover sheet 10, bearing 11, rear end cap 12, cone end holding screw 13, rear back-up ring 14, hexagon-headed bolt 15, bearing block 16, soket head cap screw 17, positioning key 18, the support of bearing 19, straight pin 20, soket head cap screw 21, blade root compression bar 22, soket head cap screw 23, alignment pin 24, hexagon-headed bolt 25, blade root positioning seat 26, hexagon-headed bolt 27, sunk screw 28, regular jaw 29, soket head cap screw 30, cushion block 31, step jaw iron 32, moving jaw 33, cylinder end clamping fixed screw 34, clamp body 35, T-nut seat 36, T-shaped screw rod 37, numerical control scale-division dish 38.
Detailed description of the invention
Below by embodiment, the utility model will be further described by reference to the accompanying drawings.
Embodiment 1.
As depicted in figs. 1 and 2, the Control Stage of Steam Turbine moving vane milling shroud inner arc side that the present embodiment describes and back of the body arc side inclined plane clamp, it comprises rotary table 1, powerful electromagnetic sucker 2, numerical control scale-division dish 38, the support of bearing 19 and clamp body 35, rotary table 1 is provided with powerful electromagnetic sucker 2 and clamp body 35, and powerful electromagnetic sucker 2 is fixed on rotary table 1 by soket head cap screw 21 and straight pin 20, the support of bearing 19 is provided with bearing block 16 and is fixed by hexagon-headed bolt 15, bearing block 16 is provided with bearing 11, the left side of rotary table 1 is connected with numerical control scale-division dish 38, the right of rotary table 1 is connected with bearing 11, rotating shaft cylindrical on the right of the front/rear end of bearing block 16 and rotary table 1 is provided with drive end bearing bracket 8, rear end cap 12, cover sheet 10 and rear back-up ring 14, drive end bearing bracket 8 is provided with dust ring 9, cover sheet 10 is fixed on bearing block 16 by sunk screw 28, rear end cap 12 is fixed on bearing block 16 by cone end holding screw 13, regular jaw 29 is provided with in the straight trough of clamp body 35, and regular jaw 29 is fixed in the straight trough of clamp body 35 by soket head cap screw 30, clamp body 35 is provided with moving jaw 33 in the T-shaped guide rail of plane, moving jaw 33 is provided with moving jaw pressing plate 5, and moving jaw 33 to be fixed on clamp body 35 in the T-shaped guide rail of plane by moving jaw pressing plate 5 and hexagon-headed bolt 4, clamp body 35 left end face is provided with T-nut seat 36, T-nut seat 36 is provided with T-shaped screw rod 37, and T-shaped screw rod 37 is connected with moving jaw 33 by cylinder end clamping fixed screw 34, clamp body 35 is provided with cushion block 31, blade root positioning seat 26 and cushion block pressing plate 6, cushion block 31 is fixed on clamp body 35 by hexagon-headed bolt 25 and cushion block pressing plate 6, and cushion block 31 is provided with alignment pin 24, blade root positioning seat 26 is fixed on clamp body 35 by soket head cap screw 23, and bottom blade root positioning seat 26 with cushion block 31 surface contact, blade root positioning seat 26 end face contacts with alignment pin 24, blade root compression bar 22 is provided with bottom blade root positioning seat 26 and between cushion block 31 surface, regular jaw 29 and moving jaw 33 are provided with step jaw iron 32, and step jaw iron 32 is fixed by soket head cap screw 7, positioning key 18 is provided with in the bottom straight trough of the support of bearing 19, and positioning key 18 is by soket head cap screw 17 fixing, the front/rear end of powerful electromagnetic sucker 2 is equipped with location-plate 3, and location-plate 3 is fixed by hexagon-headed bolt 27.
Claims (3)
1. a Control Stage of Steam Turbine moving vane milling shroud inner arc side and back of the body arc side inclined plane clamp, it comprises rotary table (1), powerful electromagnetic sucker (2), numerical control scale-division dish (38), the support of bearing (19) and clamp body (35), it is characterized in that rotary table (1) is provided with powerful electromagnetic sucker (2) and clamp body (35), and powerful electromagnetic sucker (2) is fixed on rotary table (1) by soket head cap screw (21) and straight pin (20), the support of bearing (19) is provided with bearing block (16) and is fixed by hexagon-headed bolt (15), bearing block (16) is provided with bearing (11), the left side of rotary table (1) is connected with numerical control scale-division dish (38), the right of rotary table (1) is connected with bearing (11), the rotating shaft cylindrical on the front/rear end of bearing block (16) and rotary table (1) the right is provided with drive end bearing bracket (8), rear end cap (12), cover sheet (10) and rear back-up ring (14), drive end bearing bracket (8) is provided with dust ring (9), cover sheet (10) is fixed on bearing block (16) by sunk screw (28), rear end cap (12) is fixed on bearing block (16) by cone end holding screw (13).
2. a kind of Control Stage of Steam Turbine moving vane milling shroud inner arc side according to claim 1 and back of the body arc side inclined plane clamp, regular jaw (29) is provided with in the straight trough that it is characterized in that described clamp body (35), and regular jaw (29) is fixed in the straight trough of clamp body (35) by soket head cap screw (30), moving jaw (33) is provided with in the upper T-shaped guide rail of plane of clamp body (35), moving jaw (33) is provided with moving jaw pressing plate (5), and moving jaw (33) is fixed in the upper T-shaped guide rail of plane of clamp body (35) by moving jaw pressing plate (5) and hexagon-headed bolt (4), clamp body (35) left end face is provided with T-nut seat (36), T-nut seat (36) is provided with T-shaped screw rod (37), and T-shaped screw rod (37) is connected with moving jaw (33) by cylinder end clamping fixed screw (34).
3. a kind of Control Stage of Steam Turbine moving vane milling shroud inner arc side according to claim 1 and 2 and back of the body arc side inclined plane clamp, it is characterized in that described clamp body (35) is provided with cushion block (31), blade root positioning seat (26), hexagon-headed bolt (4) and cushion block pressing plate (6), cushion block (31) is fixed on clamp body (35) by hexagon-headed bolt (25) and cushion block pressing plate (6), and cushion block (31) is provided with alignment pin (24), blade root positioning seat (26) is fixed on clamp body (35) by soket head cap screw (23), and blade root positioning seat (26) bottom and cushion block (31) surface contact, blade root positioning seat (26) end face contacts with alignment pin (24), blade root compression bar (22) is provided with between blade root positioning seat (26) bottom and cushion block (31) surface, regular jaw (29) and moving jaw (33) are provided with step jaw iron (32), and step jaw iron (32) is fixed by soket head cap screw (7), positioning key (18) is provided with in the bottom straight trough of the support of bearing (19), and positioning key (18) is by soket head cap screw (17) fixing, the front/rear end of powerful electromagnetic sucker (2) is equipped with location-plate (3), and location-plate (3) is fixed by hexagon-headed bolt (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420694885.5U CN204235205U (en) | 2014-11-19 | 2014-11-19 | Control Stage of Steam Turbine moving vane milling shroud inner arc side and back of the body arc side inclined plane clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420694885.5U CN204235205U (en) | 2014-11-19 | 2014-11-19 | Control Stage of Steam Turbine moving vane milling shroud inner arc side and back of the body arc side inclined plane clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204235205U true CN204235205U (en) | 2015-04-01 |
Family
ID=52764757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420694885.5U Active CN204235205U (en) | 2014-11-19 | 2014-11-19 | Control Stage of Steam Turbine moving vane milling shroud inner arc side and back of the body arc side inclined plane clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204235205U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111571266A (en) * | 2020-06-17 | 2020-08-25 | 华中科技大学无锡研究院 | Flexible clamp for controlling machining deformation of thin-wall blade and blade clamping method |
-
2014
- 2014-11-19 CN CN201420694885.5U patent/CN204235205U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111571266A (en) * | 2020-06-17 | 2020-08-25 | 华中科技大学无锡研究院 | Flexible clamp for controlling machining deformation of thin-wall blade and blade clamping method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203599874U (en) | Clamping tool for milling key grooves of shaft parts | |
| CN204487208U (en) | For processing the fraise jig of bow groove | |
| CN204248507U (en) | The fixture of processing automobile gearbox balancing weight | |
| CN203003517U (en) | Tool used for drilling location pinhole of joint body | |
| CN204235205U (en) | Control Stage of Steam Turbine moving vane milling shroud inner arc side and back of the body arc side inclined plane clamp | |
| CN203918676U (en) | A kind of dovetail guide grinding machine | |
| CN204248032U (en) | A kind of piston head non-static fields slant hole processing device | |
| CN204277626U (en) | Positioner during circular shaft charging | |
| CN203484914U (en) | Drilling machine work platform | |
| CN202763105U (en) | Self-positioning clamping device | |
| CN203184729U (en) | Horizontal milling jig | |
| CN203918752U (en) | Dovetail guide Grinder bench driving mechanism | |
| CN103465076A (en) | Four-point clamping fixture | |
| CN202317761U (en) | Special fixture for processing rotary table | |
| CN203509641U (en) | Special composite clamp for shaft ring clamping | |
| CN207997167U (en) | A kind of numerical control radial miller fixed frame with rotation function | |
| CN208276489U (en) | A kind of slotting edge jig automatically correcting shaft forgings | |
| CN108818228B (en) | Cam grinding machine automatic positioning mechanism of engine camshaft | |
| CN208496379U (en) | A kind of machinery part surface drilling jig | |
| CN202639851U (en) | Numerical control engraving and milling machine tool | |
| CN202804627U (en) | Connecting rod body five-position specialized machine tool | |
| CN203592365U (en) | Plane accurate grinding device | |
| CN206029477U (en) | Slide tooth arc grinding machine | |
| CN203542058U (en) | Ram part on processing machine tool | |
| CN204277057U (en) | The traversing governor motion of positional cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 310022 Building 1, No. 608, Kangxin Road, Linping District, Hangzhou, Zhejiang Patentee after: Hangzhou Turbine Power Group Co.,Ltd. Address before: No. 357, Shiqiao Road, Jianggan District, Hangzhou, Zhejiang 310022 Patentee before: HANGZHOU STEAM TURBINE Co.,Ltd. |
|
| CP03 | Change of name, title or address |