CN105291012A - Clamp for vibration fatigue of circular-arc-tooth tenon blade and manufacturing method of clamp - Google Patents
Clamp for vibration fatigue of circular-arc-tooth tenon blade and manufacturing method of clamp Download PDFInfo
- Publication number
- CN105291012A CN105291012A CN201510819073.8A CN201510819073A CN105291012A CN 105291012 A CN105291012 A CN 105291012A CN 201510819073 A CN201510819073 A CN 201510819073A CN 105291012 A CN105291012 A CN 105291012A
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- bolt
- arc
- circle
- block
- groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/027—Specimen mounting arrangements, e.g. table head adapters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a clamp for vibration fatigue of a circular-arc-tooth tenon blade. The clamp comprises a base, a fixed pressing block, a movable pressing block, a rear ejecting block, a rear ejecting bolt, a first bolt, a second bolt and a third bolt. A protruding bar-shaped installation block is arranged at the upper end of the base. A circular-arc-tooth-shaped groove is formed in the center of the bar-shaped installation block. A square opening is formed in the center of the bottom of the circular-arc-shaped groove. A round hole is formed in the lower end of the square opening. A thread is arranged in the round hole. A first protruding block is arranged in the center of the fixed pressing block. The first protruding block is clamped at one end of the circular-arc-tooth-shaped groove, and the fixed pressing block is fixed to the bar-shaped installation block through the first bolt. A second protruding block is arranged in the center of the movable pressing block, and an inverted-U-shaped clamping groove is formed in the end of the movable pressing block. The movable pressing block is connected with the bar-shaped installation block through the second bolt. The rear section of the third bolt is a polished rod, and the third bolt is installed on the bar-shaped installation block. The inverted-U-shaped clamping groove is clamped on the polished rod of the third bolt. According to the technical scheme, the requirement of a vibration fatigue test is met, the clamping stability is improved, and operability is high.
Description
Technical field
The present invention relates to circle-arc tooth tenon vibration fatigue test of blade field, particularly the manufacture method of a kind of rolling circle-arc tooth tenon blade vibration fatigue fixture and the arc toothed groove of fixture.
Background technology
Circle-arc tooth tenon vanelets vibration fatigue test fixture traditional structure holds out against mode after single, circular arc teeth groove by fixture clamps front side of vane, concerning vanelets, clamping force is excessive easily to be concentrated at seal face stress, seal face is caused to be out of shape, form tired source in vibration processes, cause the abnormal fracture of tenon, too smallly do not reach steady vibration fatigue test requirement.The symmetry of circle-arc tooth tenon fixture working face is on fatigue test results very large impact also.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of circle-arc tooth tenon blade vibration fatigue fixture and manufacture method thereof, concrete technical scheme is as follows:
A kind of circle-arc tooth tenon blade vibration fatigue fixture, comprises base, the block that is fixed and clamped, movable compact heap, rear jacking block, rear puller bolt, bolt one, bolt two and bolt three;
Described base upper end is provided with protruding bar shaped mounting blocks, and described bar shaped mounting blocks center is provided with arc toothed groove;
The bottom land center of described arc toothed groove is provided with square orifice, and square orifice lower end is provided with circular hole; Described square orifice and circular hole are for placing rear jacking block;
Screw thread is provided with, for installing rear puller bolt in described circular hole;
The described block center that is fixed and clamped is provided with projection one, and described projection one is stuck in arc toothed groove one end, and described bolt one block that will be fixed and clamped is fixed on described bar shaped mounting blocks;
Described movable compact heap center is provided with projection two, and the termination of described movable compact heap is provided with inverted U draw-in groove;
Described movable compact heap is linked together by bolt two and described bar shaped mounting blocks;
The back segment of bolt three is polished rod, and bolt three is arranged on described bar shaped mounting blocks; The inverted U draw-in groove of described movable compact heap is stuck on the polished rod of bolt three;
Described arc toothed groove, projection one and projection two are for the circle-arc tooth tenon of clamping blade;
Described rear puller bolt makes the circle-arc tooth tenon upper surface of blade and arc toothed groove working face fit by upwards holding out against rear jacking block.
Described a kind of circle-arc tooth tenon blade vibration fatigue fixture, its preferred version is the head of described rear puller bolt is spheroidal.
Described a kind of circle-arc tooth tenon blade vibration fatigue fixture, its preferred version is the pressure of described rear puller bolt is 60KN.
Described a kind of circle-arc tooth tenon blade vibration fatigue fixture, its preferred version is described arc toothed groove working face symmetry is 0.007mm.
The manufacture method of described circle-arc tooth tenon blade vibration fatigue fixture circular arc teeth groove, after described arc toothed groove processes side circle-arc tooth by single face-formed cutter, reverse mounting cutter, reverse Vehicle Processing opposite side circle-arc tooth.
A kind of using method of rolling circle-arc tooth tenon blade vibration fatigue fixture is as follows: in the process of clamping blade, bolt two and bolt three should be unclamped, the circle-arc tooth tenon of blade is contained in the arc toothed groove of clamp base bar shaped mounting blocks, allow blade arc box pin joint head side and solid compact heap upper protruding block one laminating, hold out against puller bolt after blade arc box pin joint head again, by after hold out against afterburning to 60KN, guarantee that blade arc box pin joint head upper surface and arc toothed groove working face are effectively fitted, finally the inverted U draw-in groove of movable compact heap is stuck on the polished rod of bolt three, and projection two is fitted with the another side of blade arc box pin joint head, bolt two and bolt three are tightened, can be arranged on fatigue tester and carry out fatigue test.
Beneficial effect of the present invention: technical scheme of the present invention is successful in application with actual vibration fatigue test, meets test requirements document completely, ensure that vibration fatigue test quality.Conventional brace pressure can be reduced to 60KN by original 90KN by this fixture, rear puller bolt is improved to spherical head by tack, front side of vane uniform force can be made, ensure that the stability clamping blade in fatigue test process, minimum grip power needed for vibration fatigue test requirement can also be met.After being improved to one side shaping Vehicle Processing circle-arc tooth fixture working face, improve the symmetry of working face, greatly improve the accuracy rate of blade fatigue test, improve test stability.This structural clips can promote the use of the product of the similar clamp structure of machining, can improve clamping stability.Therefore this structure is adopted to have great Social benefit and economic benefit.
Accompanying drawing explanation
Fig. 1 is a kind of circle-arc tooth tenon blade vibration fatigue fixture schematic diagram;
Fig. 2 is a kind of circle-arc tooth tenon blade vibration fatigue fixture sectional view;
Fig. 3 is that a kind of circle-arc tooth tenon blade vibration fatigue fixture opens view.
In figure: 1 is base, 2 is the block that is fixed and clamped, and 3 is movable compact heap, 4 is rear jacking block, and 5 is rear puller bolt, and 6 is bar shaped mounting blocks, 7 is arc toothed groove, and 8 is square orifice, and 9 is circular hole, 10 is projection one, and 11 is bolt one, and 12 is projection two, 13 is inverted U draw-in groove, and 14 is bolt two, and 15 is bolt three, 16 is arc toothed groove working face, and 17 is blade arc box pin joint head.
Detailed description of the invention
A circle-arc tooth tenon blade vibration fatigue fixture as shown in Figure 1, 2, 3, comprises base 1, the block 2 that is fixed and clamped, movable compact heap 3, rear jacking block 4, rear puller bolt 5, bolt 1, bolt 2 14 and bolt 3 15;
Described base 1 upper end is provided with protruding bar shaped mounting blocks 6, and described bar shaped mounting blocks 6 center is provided with arc toothed groove 7;
The bottom land center of described arc toothed groove 7 is provided with square orifice 8, and square orifice 8 lower end is provided with circular hole 9;
Described square orifice 8 and circular hole 9 are for placing rear jacking block 4;
Screw thread is provided with, for installing rear puller bolt 5 in described circular hole 9;
Described block 2 center that is fixed and clamped is provided with projection 1, and described projection 1 is stuck in arc toothed groove 7 one end, and described bolt 1 block 2 that will be fixed and clamped is fixed on described bar shaped mounting blocks 6;
Described movable compact heap 3 center is provided with projection 2 12, and the termination of described movable compact heap 3 is provided with inverted U draw-in groove 13;
Described movable compact heap 3 is linked together by bolt 2 14 and described bar shaped mounting blocks 6;
The back segment of bolt 3 15 is polished rod, and bolt 3 15 is arranged on described bar shaped mounting blocks 6; The inverted U draw-in groove 13 of described movable compact heap 3 is stuck on the polished rod of bolt 3 15;
Described arc toothed groove 7, projection 1 and projection 2 12 are for the circle-arc tooth tenon 17 of clamping blade;
Described rear puller bolt 6 makes circle-arc tooth tenon 17 upper surface of blade and arc toothed groove working face 16 fit by upwards holding out against rear jacking block 5.
The head of described rear puller bolt 6 is spheroidal.
The pressure of described rear puller bolt 6 is 60KN.
Described arc toothed groove working face 16 symmetry is 0.007mm.
After described arc toothed groove 7 processes side circle-arc tooth by single face-formed cutter, reverse mounting cutter, reverse Vehicle Processing opposite side circle-arc tooth.
A kind of using method of rolling circle-arc tooth tenon blade vibration fatigue fixture is as follows: in the process of clamping blade, bolt 2 14 and bolt 3 15 should be unclamped, the circle-arc tooth tenon 17 of blade is contained in the arc toothed groove 7 of clamp base 1 bar shaped mounting blocks 6, blade arc box pin joint head 17 side is allowed to fit with solid compact heap 2 upper protruding block 1, hold out against the rear puller bolt 6 of blade arc box pin joint head 17 again, by after hold out against afterburning to 60KN, guarantee that blade arc box pin joint head 17 upper surface and arc toothed groove working face 16 are effectively fitted, finally by the inverted U draw-in groove card 13 of movable compact heap 3 on the polished rod of bolt 3 15, and projection 2 12 is fitted with the another side of blade arc box pin joint head 17, bolt 2 14 and bolt 3 15 are tightened, can be arranged on fatigue tester and carry out fatigue test.
Claims (5)
1. a circle-arc tooth tenon blade vibration fatigue fixture, is characterized in that:
Comprise base, the block that is fixed and clamped, movable compact heap, rear jacking block, rear puller bolt, bolt one, bolt two and bolt three;
Described base upper end is provided with protruding bar shaped mounting blocks, and described bar shaped mounting blocks center is provided with arc toothed groove;
The bottom land center of described arc toothed groove is provided with square orifice, and square orifice lower end is provided with circular hole; Described square orifice and circular hole are for placing rear jacking block;
Screw thread is provided with, for installing rear puller bolt in described circular hole;
The described block center that is fixed and clamped is provided with projection one, and described projection one is stuck in arc toothed groove one end, and described bolt one block that will be fixed and clamped is fixed on described bar shaped mounting blocks;
Described movable compact heap center is provided with projection two, and the termination of described movable compact heap is provided with inverted U draw-in groove;
Described movable compact heap is linked together by bolt two and described bar shaped mounting blocks;
The back segment of bolt three is polished rod, and bolt three is arranged on described bar shaped mounting blocks; The inverted U draw-in groove of described movable compact heap is stuck on the polished rod of bolt three;
Described arc toothed groove, projection one and projection two are for the circle-arc tooth tenon of clamping blade;
Described rear puller bolt makes the circle-arc tooth tenon upper surface of blade and arc toothed groove working face fit by upwards holding out against rear jacking block.
2. a kind of circle-arc tooth tenon blade vibration fatigue fixture as claimed in claim 1, is characterized in that: the head of described rear puller bolt is spheroidal.
3. a kind of circle-arc tooth tenon blade vibration fatigue fixture as claimed in claim 1, is characterized in that: the pressure of described rear puller bolt is 60KN.
4. a kind of circle-arc tooth tenon blade vibration fatigue fixture as claimed in claim 1, is characterized in that: described arc toothed groove working face symmetry is 0.007mm.
5. the manufacture method of a circle-arc tooth tenon blade vibration fatigue fixture circular arc teeth groove as claimed in claim 1, it is characterized in that: described arc toothed groove is by after the circle-arc tooth of single face-formed cutter processing side, reverse mounting cutter, reverse Vehicle Processing opposite side circle-arc tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510819073.8A CN105291012B (en) | 2015-11-20 | 2015-11-20 | Clamp for vibration fatigue of circular-arc-tooth tenon blade and manufacturing method of clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510819073.8A CN105291012B (en) | 2015-11-20 | 2015-11-20 | Clamp for vibration fatigue of circular-arc-tooth tenon blade and manufacturing method of clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105291012A true CN105291012A (en) | 2016-02-03 |
| CN105291012B CN105291012B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510819073.8A Active CN105291012B (en) | 2015-11-20 | 2015-11-20 | Clamp for vibration fatigue of circular-arc-tooth tenon blade and manufacturing method of clamp |
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| CN (1) | CN105291012B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768755A (en) * | 2016-11-28 | 2017-05-31 | 中航动力股份有限公司 | A kind of fixture integrated and test method for swallow-tail form tenon turbine blade vibration fatigue test |
| CN106840561A (en) * | 2016-11-18 | 2017-06-13 | 成都发动机（集团）有限公司 | A kind of high frequency circumferentially small tenon vibration fatigue test of blade maintenance clamping device and application method |
| CN108393818A (en) * | 2018-01-16 | 2018-08-14 | 中国航发贵州黎阳航空动力有限公司 | A kind of compressor arc tooth vibration of rotor blades fatigue test clamper |
| CN110514378A (en) * | 2019-08-30 | 2019-11-29 | 中国航发动力股份有限公司 | A kind of engine band convex shoulder fan blade vibration fatigue test device |
| CN112113731A (en) * | 2019-06-19 | 2020-12-22 | 中国航发商用航空发动机有限责任公司 | Rotor blade high-frequency vibration fatigue test fixture and design method thereof |
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| JP2012213835A (en) * | 2011-03-31 | 2012-11-08 | Mitsubishi Heavy Ind Ltd | Cutting tool, processing device and processing method using cutting tool |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20050015983A1 (en) * | 2003-07-24 | 2005-01-27 | Mantel Blake M. | Slot machining |
| CN1994679A (en) * | 2006-01-06 | 2007-07-11 | 联合工艺公司 | Turbine element repair fixture |
| CN102155928A (en) * | 2011-03-03 | 2011-08-17 | 西北工业大学 | Fixture for three-coordinate measuring machine of blade and method for establishing measuring coordinate system |
| JP2012213835A (en) * | 2011-03-31 | 2012-11-08 | Mitsubishi Heavy Ind Ltd | Cutting tool, processing device and processing method using cutting tool |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840561A (en) * | 2016-11-18 | 2017-06-13 | 成都发动机（集团）有限公司 | A kind of high frequency circumferentially small tenon vibration fatigue test of blade maintenance clamping device and application method |
| CN106840561B (en) * | 2016-11-18 | 2019-03-01 | 成都发动机（集团）有限公司 | A kind of high frequency circumferentially small tenon vibration fatigue test of blade maintenance clamping device and application method |
| CN106768755A (en) * | 2016-11-28 | 2017-05-31 | 中航动力股份有限公司 | A kind of fixture integrated and test method for swallow-tail form tenon turbine blade vibration fatigue test |
| CN106768755B (en) * | 2016-11-28 | 2019-10-01 | 中航动力股份有限公司 | A kind of fixture integrated and test method for swallow-tail form tenon turbine blade vibration fatigue test |
| CN108393818A (en) * | 2018-01-16 | 2018-08-14 | 中国航发贵州黎阳航空动力有限公司 | A kind of compressor arc tooth vibration of rotor blades fatigue test clamper |
| CN112113731A (en) * | 2019-06-19 | 2020-12-22 | 中国航发商用航空发动机有限责任公司 | Rotor blade high-frequency vibration fatigue test fixture and design method thereof |
| CN110514378A (en) * | 2019-08-30 | 2019-11-29 | 中国航发动力股份有限公司 | A kind of engine band convex shoulder fan blade vibration fatigue test device |
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| Publication number | Publication date |
|---|---|
| CN105291012B (en) | 2017-01-25 |
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Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |