CN206357116U - A kind of blade root detent mechanism of T Steam Turbine shape blade root blade profile detection - Google Patents
A kind of blade root detent mechanism of T Steam Turbine shape blade root blade profile detection Download PDFInfo
- Publication number
- CN206357116U CN206357116U CN201621453864.XU CN201621453864U CN206357116U CN 206357116 U CN206357116 U CN 206357116U CN 201621453864 U CN201621453864 U CN 201621453864U CN 206357116 U CN206357116 U CN 206357116U
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- Prior art keywords
- blade root
- positioning
- positioning seat
- out against
- blade
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Abstract
The utility model provides the blade root detent mechanism that a kind of T Steam Turbine shape blade root blade profile is detected, the problem of it can solve unreliable blade root positioning and clamping during existing T-shaped blade root blade profile detection, influence accuracy of detection.It includes type face measuring tool bottom plate, positioning plate is fixed with the measuring tool bottom plate of type face, blade root positioning component is fixed with positioning plate, blade root positioning component includes positioning seat and radial positioning seat, the front side two ends of positioning seat are respectively equipped with symmetrical radial positioning seat, positioning seat and two radial positioning seats are in the open concave structure in front side, T-shaped blade root is positioned in concave structure and two radial positioning seats position the crossette upper surface of T-shaped blade root, positioning seat positions the interior sagittal plane of T-shaped blade, on positioning plate, the front side of concave structure is provided with blade root radial direction jacking mechanism, blade root radial direction jacking mechanism compresses the interior sagittal plane of T-shaped blade root and positioning seat.
Description
Technical field
The utility model is related to the frock technical field of blade processing detection, more particularly, to the work of turbine Blade Machining
Technical field is filled, specially a kind of blade root detent mechanism of T Steam Turbine shape blade root blade profile detection.
Background technology
T-shaped blade root due to simple in construction, easy to process, assembling easily, reliable operation and to be widely applied to steam turbine short
It is typically to be entered using T-shaped blade root tooth form and blade root bottom surface in blade, when being detected in the type face to T-shaped blade root turbine blade
Row positioning and clamping, but be due to that the working face of T-shaped blade root is the upper surface of crossette 61, see Fig. 1 and Fig. 2, therefore using existing fixed
There is the insecure problem of positioning and clamping in position installation way, so as to effect type face accuracy of detection and influence the blade quality of production.
Utility model content
In view of the above-mentioned problems, the utility model provides the blade root positioning that a kind of T Steam Turbine shape blade root blade profile is detected
Mechanism, the problem of it can solve unreliable blade root positioning and clamping during existing T-shaped blade root blade profile detection, influence accuracy of detection.
Its technical scheme is, a kind of blade root detent mechanism of T Steam Turbine shape blade root blade profile detection, and it includes type face and surveyed
Have bottom plate, it is characterised in that：Be fixed with the type face measuring tool bottom plate on positioning plate, the positioning plate be fixed with blade root determine
Hyte part, the blade root positioning component includes positioning seat and radial positioning seat, and the front side two ends of the positioning seat are respectively equipped with phase
The mutual symmetrical radial positioning seat, the positioning seat and two radial positionings seats are in the concave structure of front side opening, T-shaped blade root
It is positioned in the concave structure and two radial positioning seats positions the crossette upper surface of T-shaped blade root, the positioning seat
Position on the interior sagittal plane of T-shaped blade, the positioning plate, the front side of the concave structure is provided with blade root radial direction jacking mechanism,
The blade root radial direction jacking mechanism compresses the interior sagittal plane of T-shaped blade root and the positioning seat.
Further, the radial positioning seat includes top plate portion and supporting part, and the top plate portion hangs down with supporting part in inverted L-shaped
It is direct-connected to be connected into entirety, crossette upper surface, the top surface supporting blade root tooth form bottom surface of the bottom surface positioning T-shaped blade root of the top plate portion.
Further, the positioning seat both sides are symmetrically fixed with side locating piece, and the side locating piece positions T-shaped blade root
Outlet side.
Further, the blade root radial direction jacking mechanism includes holding out against seat, described to hold out against on seat from front to back through installation
There is Top fastening screw, the front end of the Top fastening screw is fixed with groove face briquetting.
Further, axial jacking mechanism is additionally provided with the positioning plate, the positioning plate, which is located at two radial directions, to be determined
Center position between the seat of position offers center through hole, bottom surface and is provided with the kerve with the center through hole UNICOM and is located at institute
State kerve rearward position offer it is parallel with the center through hole and with the tapped through hole of the kerve UNICOM, the screw thread lead to
Hole internal thread, which is connected with clamping screw, the center through hole, to be provided with elasticity and holds out against component, and the elasticity is held out against at the top of component
Held out against with T-shaped blade root bottom surface, be provided with lever in the kerve, the front end of the lever is stretched into the center through hole and preceding
Holding top to be held out against with the elasticity, component bottom is held out against, rear end top surface is held out against with the clamping screw.
Further, the lever bottom surface is provided with arc surface, and the arc surface is contacted with the type face measuring tool plate top surface.
Further, the lever front end is provided with upward cambered surface projection, and the cambered surface projection holds out against group with the elasticity
Part is held out against.
Further, the elasticity holds out against component and included at the top of cushion block, withstanding tight block and spring, the withstanding tight block provided with concentric
Supporting part, the spring housing is loaded on the supporting part, and the cushion block is installed in the top of the supporting part, the cushion block with
The contact of T-shaped blade root bottom surface is held out against.
The beneficial effect of the utility model mechanism is：It passes through the positioning seat of blade root positioning component, radial positioning seat energy
Enough interior sagittal planes to T-shaped blade root, crossette upper surface are positioned and by radial direction jacking mechanism by T-shaped blade root and positioning seat top
Tightly, thus its positioning is reliable；In addition, its also by the axial jacking mechanism that is arranged in positioning plate by T-shaped blade root and blade root
Positioning component is axially held out against, and is further ensured that reliably holding out against between the crossette upper surface of T-shaped blade root and radial positioning seat.
Brief description of the drawings
Fig. 1 is certain type T-shaped blade root schematic diagram；
Fig. 2 is Fig. 1 schematic side view；
Fig. 3 is a kind of plan structure of the blade root detent mechanism of T Steam Turbine shape blade root blade profile detection of the utility model
Schematic diagram；
Fig. 4 for Fig. 3 A-A to partial enlargement schematic cross-sectional view；
Fig. 5 is the schematic perspective view of radial direction positioning seat in the utility model mechanism；
Fig. 6 is the amplification schematic perspective view of lever in the utility model mechanism；
Fig. 7 is the mplifying structure schematic diagram of withstanding tight block in the utility model mechanism；
Fig. 8 is the view of the utility model mechanism clamping type T-shaped blade root.
Reference：10- types face measuring tool bottom plate；20- positioning plates；30- blade root positioning components；31- positioning seats；32- footpaths
To positioning seat；321- top plate portions；321a- bottom surfaces；321b- top surfaces；322- supporting parts；33- sides locating piece；40- blade roots are radially
Jacking mechanism；41- holds out against seat；42- Top fastening screws；43- groove face briquettings；50- axial directions jacking mechanism；51- center through hole；52- bottoms
Groove；53- tapped through holes；54- clamping screws；55- elasticity holds out against component；551- cushion blocks；552- withstanding tight blocks；5521- supporting parts；
5522- screwed holes；553- springs；56- levers；561- cambered surface projections；562- arc surfaces；60-T shape blade roots；61- crossettes；In 62-
Sagittal plane；63- blade root tooth forms bottom surface；64-T shape blade roots bottom surface.
Embodiment
See Fig. 3 and Fig. 4, the utility model mechanism, which includes being fixed with type face measuring tool bottom plate 10, type face measuring tool bottom plate 10, to be determined
Blade root positioning component 30 is fixed with position bottom plate 20, positioning plate 20, blade root positioning component 30 includes positioning seat 31 and radially fixed
Position seat 32, the front side two ends of positioning seat 31 are respectively equipped with symmetrical radial positioning seat 32, and positioning seat 31 and two radial directions are determined
Position seat 32 is in the open concave structure in front side, and T-shaped blade root 60 is positioned in concave structure and two radial positioning seats 32 position T
The crossette upper surface 61 of shape blade root, positioning seat 31 positions the interior sagittal plane 62 of T-shaped blade, on positioning plate 20, concave structure
Front side is provided with blade root radial direction jacking mechanism 40, and blade root radial direction jacking mechanism 40 pushes up the interior sagittal plane of T-shaped blade root and positioning seat 21
Tightly.
Wherein, radial positioning seat 32 includes top plate portion 321 and supporting part 322, sees Fig. 5, top plate portion 321 and supporting part 322
Vertically connect integral in inverted L-shaped, the crossette upper surface of the bottom surface 321a positioning T-shaped blade roots of top plate portion 321, top surface 321b supportings
Blade root tooth form bottom surface；The both sides of positioning seat 31 are symmetrically fixed with side locating piece 33, the positioning T-shaped blade root outlet of side locating piece 33
Side.
The blade root radial direction jacking mechanism 40 includes holding out against seat 41, hold out against on seat 41 from front to back screw thread through being provided with top
Tight screw 42, the front end of Top fastening screw 42 is fixed with groove face briquetting 43.
Axial jacking mechanism 50 is additionally provided with positioning plate 20, positioning plate 20 is located between two radial positioning seats 32
Center position offers center through hole 51, bottom surface and is provided with the kerve 52 with the UNICOM of center through hole 51 and is located at the rear side of kerve 52
Position offer it is parallel with center through hole 51 and with the tapped through hole 53 of the UNICOM of kerve 52, the internal thread of tapped through hole 53 is connected with
Elasticity is provided with clamping screw 54, center through hole 51 and holds out against component 55, elasticity, which holds out against component 55, includes cushion block 551, withstanding tight block
552 and spring 553, the top of withstanding tight block 552 is provided with concentric supporting part 5521, sees Fig. 7, spring 553 is set in supporting part 5521
On, top of the cushion block 551 by bolt with supporting part 5521 in screwed hole 5522 is affixed, and cushion block 551 connects with T-shaped blade root bottom surface
Touch and hold out against；Lever 56 is provided with kerve 52, Fig. 6 is seen, the front end of lever 56 is provided with upward cambered surface projection 561 and arc bump
561 bottoms of withstanding tight block 552 stretched into center through hole 51 and hold out against component 55 with elasticity are held out against, the rear end top surface of lever 56 and pressure
Tight screw rod 54 is held out against；The bottom surface of lever 56 is provided with arc surface 562, and arc surface 562 is contacted with the top surface of type face measuring tool bottom plate 10.
During blade clamping, T-shaped blade root is inserted in concave structure from the front side of two radial positioning seats 32, Fig. 8 is seen, and make
Obtain sagittal plane 62 in T-shaped blade root to be adjacent to positioning seat 31, on radial positioning 32 top board undersurface 321a of seat and the crossette of T-shaped blade root
Surface is contacted, and blade root outlet side is adjacent to side locating piece 33, and T-shaped blade root bottom surface is positioned on cushion block 551, tightens compression spiral shell
Bar 54, the rear end of lever 56 is pushed under the suppressing action of clamping screw 54, front end is upturned so as to the cambered surface projection 561 of front end
Withstanding tight block 552 is pushed up, cushion block 551 holds out against to promote T-shaped blade root with T-shaped blade root bottom surface in the presence of spring 553
The upper surface of crossette 61 and the bottom surface of radial positioning 32 top plates of seat are held out against, and tighten Top fastening screw 42 so that Top fastening screw 42 rear end
Groove face briquetting 43 holds out against the sagittal plane of T-shaped blade root, and sagittal plane and positioning seat 32, blade root outlet side in T-shaped blade root are checked with clearance gauge
Whether it is adjacent between side locating piece 33.
Claims (8)
1. a kind of blade root detent mechanism of T Steam Turbine shape blade root blade profile detection, it includes type face measuring tool bottom plate（10）, it is special
Levy and be：The type face measuring tool bottom plate（10）On be fixed with positioning plate（20）, the positioning plate（20）On be fixed with blade root
Positioning component（30）, the blade root positioning component（30）Including positioning seat（31）With radial positioning seat（32）, the positioning seat
（31）Front side two ends be respectively equipped with symmetrical radial positioning seat（32）, the positioning seat（31）And two radial directions are determined
Position seat（32）In the concave structure that front side is open, T-shaped blade root（60）It is positioned in the concave structure and two radial directions
Positioning seat（32）Position the crossette of T-shaped blade root（61）Upper surface, the positioning seat（31）Position the interior sagittal plane of T-shaped blade
（62）, the positioning plate（20）The front side of the upper, concave structure is provided with blade root radial direction jacking mechanism（40）, the blade root footpath
To jacking mechanism（40）By the interior sagittal plane of T-shaped blade root（62）With the positioning seat（31）Compress.
2. a kind of blade root detent mechanism of T Steam Turbine shape blade root blade profile detection according to claim 1, its feature exists
In：The radial positioning seat（32）Including top plate portion（321）And supporting part（322）, the top plate portion（321）With supporting part
（322）Integral, the top plate portion is vertically connected in inverted L-shaped（321）Bottom surface（321a）Position the crossette of T-shaped blade root（61）On
Surface, top surface（321b）Support blade root tooth form bottom surface（63）.
3. a kind of blade root detent mechanism of T Steam Turbine shape blade root blade profile detection according to claim 2, its feature exists
In：The positioning seat（31）Both sides are symmetrically fixed with side locating piece（33）, the side locating piece（33）Positioning T-shaped blade root goes out
Gas side.
4. according to the blade root localization machine that a kind of any described T Steam Turbine shape blade root blade profile is detected in claims 1 to 3
Structure, it is characterised in that：The blade root radial direction jacking mechanism（40）Including holding out against seat（41）, it is described to hold out against seat（41）On from front to back
Through being provided with Top fastening screw（42）, the Top fastening screw（42）Front end be fixed with groove face briquetting（43）.
5. a kind of blade root detent mechanism of T Steam Turbine shape blade root blade profile detection according to claim 4, its feature exists
In：The positioning plate（20）Inside it is additionally provided with axial jacking mechanism（50）, the positioning plate（20）Positioned at two radial positionings
Seat（32）Between center position offer center through hole（51）, bottom surface be provided with and the center through hole（51）The kerve of UNICOM
（52）And positioned at the kerve（52）Rearward position is offered and the center through hole（51）It is parallel and with the kerve（52）
The tapped through hole of UNICOM（53）, the tapped through hole（53）Internal thread is connected with clamping screw（54）, the center through hole（51）
Inside it is provided with elasticity and holds out against component（55）, the elasticity holds out against component（55）Top and T-shaped blade root bottom surface（64）Hold out against, the bottom
Groove（52）Inside it is provided with lever（56）, the lever（56）Front end stretch into the center through hole（51）Interior and front top with
The elasticity holds out against component（55）Bottom is held out against, rear end top surface and the clamping screw（54）Hold out against.
6. a kind of blade root detent mechanism of T Steam Turbine shape blade root blade profile detection according to claim 5, its feature exists
In：The lever（56）Bottom surface is provided with arc surface（561）, the arc surface（561）With the type face measuring tool bottom plate（10）Top surface
Contact.
7. a kind of blade root detent mechanism of T Steam Turbine shape blade root blade profile detection according to claim 5, its feature exists
In：The lever（56）Front end is provided with upward cambered surface projection（562）, the cambered surface projection（562）Group is held out against with the elasticity
Part（55）Hold out against.
8. according to the blade root localization machine that a kind of any described T Steam Turbine shape blade root blade profile is detected in claim 5~7
Structure, it is characterised in that：The elasticity holds out against component（55）Including cushion block（551）, withstanding tight block（552）And spring（553）, the top
Tight block（552）Top is provided with concentric supporting part（5521）, the spring（553）It is set in the supporting part（5521）On, institute
State cushion block（551）It is installed in the supporting part（5521）Top, the cushion block（551）With T-shaped blade root bottom surface（64）Contact top
Tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621453864.XU CN206357116U (en) | 2016-12-28 | 2016-12-28 | A kind of blade root detent mechanism of T Steam Turbine shape blade root blade profile detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621453864.XU CN206357116U (en) | 2016-12-28 | 2016-12-28 | A kind of blade root detent mechanism of T Steam Turbine shape blade root blade profile detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206357116U true CN206357116U (en) | 2017-07-28 |
Family
ID=59376312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621453864.XU Withdrawn - After Issue CN206357116U (en) | 2016-12-28 | 2016-12-28 | A kind of blade root detent mechanism of T Steam Turbine shape blade root blade profile detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206357116U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106625337A (en) * | 2016-12-28 | 2017-05-10 | 无锡透平叶片有限公司 | Root positioning mechanism for T root blade profile detection of steam turbine |
| CN110243324A (en) * | 2019-06-24 | 2019-09-17 | 中国航发动力股份有限公司 | A kind of dove-tail form blade tenon locating and detecting device and method |
| CN110524418A (en) * | 2019-08-30 | 2019-12-03 | 中国航发动力股份有限公司 | A kind of blade processing positioning device and method |
-
2016
- 2016-12-28 CN CN201621453864.XU patent/CN206357116U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106625337A (en) * | 2016-12-28 | 2017-05-10 | 无锡透平叶片有限公司 | Root positioning mechanism for T root blade profile detection of steam turbine |
| CN110243324A (en) * | 2019-06-24 | 2019-09-17 | 中国航发动力股份有限公司 | A kind of dove-tail form blade tenon locating and detecting device and method |
| CN110524418A (en) * | 2019-08-30 | 2019-12-03 | 中国航发动力股份有限公司 | A kind of blade processing positioning device and method |
| CN110524418B (en) * | 2019-08-30 | 2021-08-10 | 中国航发动力股份有限公司 | Positioning device and method for blade machining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170728 Effective date of abandoning: 20180706 |
|
| AV01 | Patent right actively abandoned |