CN105643478A - Suspension type shot blasting clamp device used for blade root shot blasting of turbine blades - Google Patents
Suspension type shot blasting clamp device used for blade root shot blasting of turbine blades Download PDFInfo
- Publication number
- CN105643478A CN105643478A CN201510987140.7A CN201510987140A CN105643478A CN 105643478 A CN105643478 A CN 105643478A CN 201510987140 A CN201510987140 A CN 201510987140A CN 105643478 A CN105643478 A CN 105643478A
- Authority
- CN
- China
- Prior art keywords
- blade root
- peening
- supporting
- shot
- blade
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
Abstract
The invention provides a suspension type shot blasting clamp device used for blade root shot blasting of turbine blades, and the suspension type shot blasting clamp device can solve the problems that a current blade root shot blasting clamp is unstable in blade positioning and clamping, is free from universality and is high in tool cost. Blade root supporting parts are mounted above a base through supporting posts; the three supporting post capable of extending and retracting vertically are arranged in the form of a triangular plane; the blade supporting parts are mounted at the top ends of the three supporting posts through a cover plate; each blade root supporting part comprises an inner arc base and a back arc base, wherein the inner arc base can be mounted on the cover plate in an adjustable manner along the inner arc side and the back arc side of a blade; each blade root supporting base can be rotatably mounted on the corresponding inner arc base and the corresponding back arc base separately; a supporting top block is mounted in each blade root supporting base in a penetration mode; each supporting top block can move in the corresponding blade root supporting base in the length direction of the corresponding supporting top block; and the turbine blades are arranged into a clamp in a direction that tree-shaped blade roots face upwards and blade crowns face downwards, and the height of the tree-shaped blades is supported and positioned by the supporting top blocks.
Description
Technical field
The present invention relates to the frock clamp field of turbine Blade Machining, especially relate to shot-peening clamping field, particularly for the suspension type shot-peening grip device of turbine blade root shot-peening.
Background technology
Turbine blade is the core component of power station generator group, is high speed rotating under the effect of high temperature and high pressure steam when it is in running order, and its fir tree blade root carries very big bending square and centrifugal force, exciting force. For improving the fatigue strength of fir tree blade root, improving working life, most turbine vane final stage, second last stage blade all can select to select the PROCESS FOR TREATMENT of blade root shot peening strengthening at fir tree blade root position. When turbine blade is carried out blade root bead, it is typically with suspension type blade root shot-peening fixture and turbine blade is carried out Set and Positioning, it includes base 10 two piece support columns 20 ' being fixedly mounted with parallel with on base, see Fig. 1 and Fig. 2, the upper end of two support columns 20 ' is provided with blade root support portion 30 ', the fir tree blade root height face of turbine blade is supported location by blade root support portion 30 ', thus realizing whole turbine blade is vertically hung clamping. Owing to its blade root support portion is only carry out locating blades by convex surface of steam turbine blade, and its blade root support portion is only supported by two support columns, so there is blade to hang the problem that location is unstable; And owing to the processing of turbine blade exists the feature of multi items, small batch, turbine blade for different cultivars, different model generally requires the blade root shot-peening fixture that design is supporting, thus using of blade root shot-peening fixture exists the problem without versatility, frock cost is high; Further, in existing shot-peening grip device, the tenon tooth shape blade root of turbine blade.
Summary of the invention
For the problems referred to above, present invention provide for the suspension type shot-peening grip device of turbine blade root shot-peening, it can solve the problem that existing turbine blade root shot-peening fixture blade positioning and clamping is unstable, solves it without versatility, problem that frock cost is high simultaneously.
Its technical scheme is such, it includes base, support column and blade root support portion, described blade root support portion is installed on above described base by support column, it is characterized in that: described support column is provided with three, described three support column horizontal layout triangular in shape, described support column is can vertical stretching structure, described blade root support portion is installed on the top of described three support columns by cover plate, described blade root support portion includes interior arc seat and back of the body arc seat, described interior arc seat, back of the body arc seat respectively can along concave side of blade, back of the body arc side is adjustably mounted on described cover plate, on described interior arc seat, back of the body arc seat is rotatably mounted with blade root supporting seat respectively, run through in described blade root supporting seat and support jacking block is installed, described support jacking block can move along the length direction of described support jacking block in described blade root supporting seat, the vertebra tingia root of turbine blade is supported location by described support jacking block.
Further, described interior arc seat both sides, the back of the body arc seat both sides have mounting hole, described interior arc seat respectively
Back of the body arc seat is installed on described cover plate respectively through the described mounting hole of screw, both sides.
Further, described support column includes fixing post and adjustable column, described fixing post is installed on described base, described fixing post and adjustable column have hole, location in short transverse, and described fixing post is installed with described adjustable column fit and is connected by hole, described location fixing thus positioning the whole height of described support column by bolt, nut between described fixing post and adjustable column.
Further, described blade root supporting seat includes supporting seat body, described supporting seat body has the groove that front and back are through, described support jacking block it is fitted with in described groove, described support jacking block is provided with a bracer towards a side of turbine blade, the tenon-tooth blade-root of described block supports turbine blade, the side of described groove has accommodation chamber, described groove and described accommodation chamber UNICOM, described accommodation intracavity is provided with rotating eccentric withstanding tight block, and described eccentric withstanding tight block generation eccentric rotary proceeds to described groove and held out against by described support jacking block.
Further, described supporting seat body is installed on described interior arc seat or back of the body arc seat by screw.
Further, described eccentric withstanding tight block is by the eccentric accommodation intracavity being rotatably mounted to described supporting seat body of straight pin.
Further, described blade root supporting seat is provided with three, and one of them is installed on the central part of described interior arc seat, and another two is respectively arranged in the both sides of described back of the body arc seat.
Compared with existing turbine blade root shot-peening fixture, having the beneficial effects that of shot-peening fixture of the present invention:
(1) its blade root support portion is that 3 support columns arranged support by three rhizoplanes, and wherein three support column planes are the stability in the large that 3 layouts can be effectively improved blade root support portion; Simultaneously, its blade root support portion is made up of interior arc seat and back of the body arc seat, and interior arc seat, back of the body arc seat are respectively arranged with blade root supporting seat, thus the inner arc side of the tenon tooth shape blade root of turbine blade, back of the body arc side are supported location by blade root supporting seat on interior arc seat, back of the body arc seat respectively, more ensure that the reliable and stable support to turbine blade, it is ensured that blade root shot-peening process Leaf reliable and stable;
(2) its three support columns all adopt the structure that can vertically stretch, therefore can be adjusted according to the steam passage length of actual turbine blade, meet the shot-peening clamping requirement of the turbine blade of different steam passage length; And the interior arc seat of blade root support portion, back of the body arc seat are able to the inner arc side along blade, back of the body arc side scalable, thus meeting the clamping requirement of the turbine blade of different tenon-tooth blade-root size; Additionally, due to be arranged on interior arc seat, blade root supporting seat on back of the body arc seat rotatable, so each blade root supporting seat can require carry out angular adjustment according to the profile of different turbine blades, it is ensured that blade reliably positioned support; Further, running through the support jacking block being installed in blade root supporting seat can move along the length direction of himself, thus the adjustment that realization is to the bearing length of different turbine blades; Therefore, the shot-peening fixture of the present invention disclosure satisfy that the suspension clamping requirement of different size turbine blade, highly versatile, also can be substantially reduced frock cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the existing turbine blade root shot-peening grip device of the present invention;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is the structural representation of the turbine blade root shot-peening grip device of the present invention;
Fig. 4 is that the M of Fig. 3 is to structural representation;
Fig. 5 be the present invention turbine blade root shot-peening grip device in the vertical view partial cutaway schematic of blade root supporting seat;
Fig. 6 is that the K of Fig. 5 is to structural representation.
Accompanying drawing labelling: 10-base; 11-U shape groove; 12 connecting pins; 20-support column; 21-fixes post; 22-adjustable column; 23-positions hole; 24-bolt; 25-nut; 30-blade root support portion; Arc seat in 31-; 32-carries on the back arc seat; 33-mounting hole; 34-screw; 35-supporting seat body; 351-groove; 352-holds chamber; 353-straight pin; 354-bias withstanding tight block; 36-supports jacking block; 361-props up bracer; 37-screw; 40-cover plate.
Detailed description of the invention
Seeing Fig. 3 and Fig. 4, the present invention includes base 10, support column 20 and blade root support portion 30 for the suspension type shot-peening grip device of turbine blade root shot-peening, and blade root support portion 30 is installed on above base 10 by support column 20; Wherein, support column 20 is provided with three, three support column 20 horizontal layout triangular in shape, support column 20 is can vertical stretching structure, including fixing post 21 and adjustable column 22, fixing post 21 welded and installed is on base 10, and fixing post 21 and adjustable column 22 have hole 23, location in short transverse, and fixing post 21 is installed with adjustable column 22 fit and fixed and is connected fixing thus the whole height of positioning support dagger 20 by bolt 24, nut 25 by positioning hole 23 between post 21 with adjustable column 22.
Blade root support portion 30 is installed on the top of three support columns 20 by cover plate 40, blade root support portion 30 includes interior arc seat 31 and back of the body arc seat 32, the both sides of interior arc seat 31, back of the body arc seat 32 both sides have mounting hole 33 respectively, interior arc seat 31, back of the body arc seat 32 are installed on cover plate 40 respectively through the mounting hole 33 of screw 34, both sides, and interior arc seat 31, back of the body arc seat 32 can lateral along blade concavity in the length range of the mounting hole 33 of respective both sides, back of the body arc lateral adjustment positions.
On interior arc seat 31, back of the body arc seat 32 is rotatably mounted with blade root supporting seat respectively through screw 37, owing to blade root supporting seat adopts the single hole of screw 37 to be connected with interior arc seat 31, back of the body arc seat 32, therefore angle can be carried out easily at a high speed by rotating blade root supporting seat, wherein the central part of interior arc seat 31 is provided with a blade root supporting seat, and the both sides of back of the body arc seat 32 are separately installed with a blade root supporting seat, blade root supporting seat includes supporting seat body 35, supporting seat body 35 has the groove 351 that front and back are through, support jacking block 36 it is fitted with in groove 351, supporting jacking block 36 can be overall movable in groove 351, thus the adaptation realizing the bearing length to blade root regulates, support jacking block 36 is provided with a bracer 361 towards a side of turbine blade, prop up bracer 361 and support the tenon-tooth blade-root of turbine blade, the side of groove 351 has accommodation chamber 352, groove 351 and accommodation chamber 352 UNICOM, hold to install in chamber 352, by straight pin 353, rotating eccentric withstanding tight block 354 is installed, eccentric withstanding tight block 354 is made to occur eccentric rotary proceed to groove 351 and hold out against support block 36 by stirring eccentric withstanding tight block 354, thus carrying out locking positioning to supporting jacking block 36, ensure to support the bracer 37 secure support to turbine blade of jacking block 36 front end.
When the shot-peening fixture of the present invention uses, it is connected with shot blasting equipment by the U-lag 11 on base 10 and connecting pin 12, steam passage length according to turbine blade regulates the total height of three support columns 20 to meet the suspension requirement of turbine blade by the relative position between adjustable column 22 and the fixing post 21 of three support columns 20 of adjustment, the altitude mixture control of support column 20 put in place after by bolt 24, nut 25 is by fixing post 21 and adjustable column 22 stationary positioned, then turbine blade is pressed fir tree blade root upward, integral shroud direction down loads fixture, arc seat 31 in regulating while turbine blade loads fixture, the position of back of the body arc seat 32, the extension elongation supporting jacking block 36 in the angle of blade root supporting seat and blade root supporting seat, so that namely fir tree blade root height face is completed blade clamping by after supporting jacking block 36 secure support location.
Claims (7)
1. for the suspension type shot-peening grip device of turbine blade root shot-peening, it includes base, support column and blade root support portion, described blade root support portion is installed on above described base by support column, it is characterized in that: described support column is provided with three, described three support column horizontal layout triangular in shape, described support column is can vertical stretching structure, described blade root support portion is installed on the top of described three support columns by cover plate, described blade root support portion includes interior arc seat and back of the body arc seat, described interior arc seat, back of the body arc seat respectively can along concave side of blade, back of the body arc side is adjustably mounted on described cover plate, on described interior arc seat, back of the body arc seat is rotatably mounted with blade root supporting seat respectively, run through in described blade root supporting seat and support jacking block is installed, described support jacking block can move along the length direction of described support jacking block in described blade root supporting seat, turbine blade presses fir tree blade root upward, integral shroud direction down loads fixture and described fir shape blade height face and is supported location by described support jacking block.
2. the suspension type shot-peening grip device for turbine blade root shot-peening according to claim 1, it is characterized in that: the both sides of described interior arc seat, back of the body arc seat both sides have mounting hole respectively, described interior arc seat, back of the body arc seat are installed on described cover plate respectively through the described mounting hole of screw, both sides.
3. the suspension type shot-peening grip device for turbine blade root shot-peening according to claim 1, it is characterized in that: described support column includes fixing post and adjustable column, described fixing post is installed on described base, described fixing post and adjustable column have hole, location in short transverse, and described fixing post is installed with described adjustable column fit and is connected by hole, described location fixing thus positioning the whole height of described support column by bolt, nut between described fixing post and adjustable column.
4. the suspension type shot-peening grip device for turbine blade root shot-peening according to claim 1, it is characterized in that: described blade root supporting seat includes supporting seat body, described supporting seat body has the groove that front and back are through, described support jacking block it is fitted with in described groove, described support jacking block is provided with a bracer towards a side of turbine blade, the fir tree blade root height face of described block supports turbine blade, the side of described groove has accommodation chamber, described groove and described accommodation chamber UNICOM, described accommodation intracavity is provided with rotating eccentric withstanding tight block, described eccentric withstanding tight block generation eccentric rotary proceeds to described groove and is held out against by described support jacking block.
5. the suspension type shot-peening grip device for turbine blade root shot-peening according to claim 4, it is characterised in that: described supporting seat body is installed on described interior arc seat or back of the body arc seat by screw.
6. the suspension type shot-peening grip device for turbine blade root shot-peening according to claim 4, it is characterised in that: described eccentric withstanding tight block is by the eccentric accommodation intracavity being rotatably mounted to described supporting seat body of straight pin.
7. according to the described suspension type shot-peening grip device for turbine blade root shot-peening arbitrary in claim 4��6, it is characterized in that: described blade root supporting seat is provided with three, one of them is installed on the central part of described interior arc seat, and another two is respectively arranged in the both sides of described back of the body arc seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510987140.7A CN105643478B (en) | 2015-12-27 | 2015-12-27 | Suspension type shot-peening grip device for turbine blade root shot-peening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510987140.7A CN105643478B (en) | 2015-12-27 | 2015-12-27 | Suspension type shot-peening grip device for turbine blade root shot-peening |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105643478A true CN105643478A (en) | 2016-06-08 |
| CN105643478B CN105643478B (en) | 2018-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510987140.7A Active CN105643478B (en) | 2015-12-27 | 2015-12-27 | Suspension type shot-peening grip device for turbine blade root shot-peening |
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| Country | Link |
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| CN (1) | CN105643478B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109333351A (en) * | 2018-11-15 | 2019-02-15 | 中国航空制造技术研究院 | Leaf position fixing means in integral blade disk repair process |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2453712A1 (en) * | 1979-04-11 | 1980-11-07 | Viada Giorgio | Remotely controlled sand blasting machine for large work - has sand blast rotor movable in three and swivelable in two planes |
| JPH09207069A (en) * | 1996-02-02 | 1997-08-12 | Fuji Oozx Inc | Device to charge work in shot blast device |
| CN201573120U (en) * | 2009-12-01 | 2010-09-08 | 西安航空动力股份有限公司 | Clamp used in wet sandblasting of blades |
| CN103752983A (en) * | 2013-12-15 | 2014-04-30 | 无锡透平叶片有限公司 | Hard-soldering deformation control method for turbine blade and special fixture for hard-soldering |
| CN104369020A (en) * | 2014-11-13 | 2015-02-25 | 四川成发航空科技股份有限公司 | Fixture for machining of high-temperature alloy precision casting blade |
| CN104741953A (en) * | 2015-04-21 | 2015-07-01 | 重庆江增船舶重工有限公司 | Universal milling fixture for diffuser blades |
| CN204487384U (en) * | 2015-01-27 | 2015-07-22 | 大合塑胶有限公司 | The impeller sandblasting adjusting device of sandblasting facility |
| CN205342834U (en) * | 2015-12-27 | 2016-06-29 | 无锡透平叶片有限公司 | A suspension type peening fixture device for turbine blade blade root peening |
-
2015
- 2015-12-27 CN CN201510987140.7A patent/CN105643478B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2453712A1 (en) * | 1979-04-11 | 1980-11-07 | Viada Giorgio | Remotely controlled sand blasting machine for large work - has sand blast rotor movable in three and swivelable in two planes |
| JPH09207069A (en) * | 1996-02-02 | 1997-08-12 | Fuji Oozx Inc | Device to charge work in shot blast device |
| CN201573120U (en) * | 2009-12-01 | 2010-09-08 | 西安航空动力股份有限公司 | Clamp used in wet sandblasting of blades |
| CN103752983A (en) * | 2013-12-15 | 2014-04-30 | 无锡透平叶片有限公司 | Hard-soldering deformation control method for turbine blade and special fixture for hard-soldering |
| CN104369020A (en) * | 2014-11-13 | 2015-02-25 | 四川成发航空科技股份有限公司 | Fixture for machining of high-temperature alloy precision casting blade |
| CN204487384U (en) * | 2015-01-27 | 2015-07-22 | 大合塑胶有限公司 | The impeller sandblasting adjusting device of sandblasting facility |
| CN104741953A (en) * | 2015-04-21 | 2015-07-01 | 重庆江增船舶重工有限公司 | Universal milling fixture for diffuser blades |
| CN205342834U (en) * | 2015-12-27 | 2016-06-29 | 无锡透平叶片有限公司 | A suspension type peening fixture device for turbine blade blade root peening |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109333351A (en) * | 2018-11-15 | 2019-02-15 | 中国航空制造技术研究院 | Leaf position fixing means in integral blade disk repair process |
| CN109333351B (en) * | 2018-11-15 | 2020-06-05 | 中国航空制造技术研究院 | Blade position fixing method in blisk repairing process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105643478B (en) | 2018-05-01 |
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