CN203266190U - Clamp for machining cooling holes in turbine blade of gas turbine - Google Patents
Clamp for machining cooling holes in turbine blade of gas turbine Download PDFInfo
- Publication number
- CN203266190U CN203266190U CN 201320327350 CN201320327350U CN203266190U CN 203266190 U CN203266190 U CN 203266190U CN 201320327350 CN201320327350 CN 201320327350 CN 201320327350 U CN201320327350 U CN 201320327350U CN 203266190 U CN203266190 U CN 203266190U
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- cooling holes
- machining
- slip gauge
- gas turbine
- rotating shaft
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Abstract
The utility model discloses a clamp for machining cooling holes in a turbine blade of a gas turbine. The clamp comprises a square frame, a base, a middle bottom plate, an upper bottom plate, an upper block gauge shaft, an upper block gauge, a middle block gauge shaft, a lower block gauge, an upper rotary shaft and a middle rotary shaft, wherein one end of the middle bottom plate is hinged with the base through the middle rotary shaft; the middle block gauge shaft is arranged at the other end of the middle bottom plate; the lower block gauge is arranged on the base and is positioned below the middle block gauge shaft; one end of the upper bottom plate is hinged with the middle bottom plate through the upper rotary shaft; the upper block gauge shaft is arranged at the other end of the upper bottom plate; the upper block gauge is arranged on the middle bottom plate and is positioned below the upper block gauge shaft; the upper rotary shaft and the middle rotary shaft are spatially and perpendicularly distributed in the space; the square frame is arranged on the upper bottom plate through a detachable structure. The clamp for machining the cooling holes in the turbine blade of the gas turbine can be placed at two angles according to machining requirements, and the machining accuracy and the machining efficiency can be improved.
Description
Technical field
The utility model relates to a kind of gas turbine turbine blade clamp for machining, especially a kind of gas turbine turbine blade Cooling Holes clamp for machining.
Background technology
Gas turbine is the turbomachinery that a kind of heat energy with high-temperature fuel gas is converted into mechanical energy.The thermal efficiency and the turbine-inlet temperature of combustion machine are closely related, and the increase of turbine-inlet temperature will directly improve the thermal efficiency of combustion machine.Development along with gas turbine technology, turbine-inlet temperature is more and more higher, the heat resistance of blade is also required more and more higher, light by promote material property, the spraying thermal barrier coating can not satisfy its requirement, add Cooling Holes in blade interior and also can improve greatly the interior hot property of blade.Due to the restriction that is subject to blade construction, the Cooling Holes of blade interior can not be clear opening, but becomes three-dimensional compound angle, and the hole on same straight line not.According to the requirement of pore structure, need to add at Cooling Holes and first beat the hole of the three-dimensional compound angle of one-tenth of certain depth from vane tip man-hour, then make a call to a hole that becomes three-dimensional compound angle from root of blade, two holes are communicated with.And the Cooling Holes on blade is a lot of and the angle in each hole is different, so high accuracy, high efficiency must be arranged, crudy that the special fixture that can show different angles guarantees the blade Cooling Holes.
Summary of the invention
The purpose of this utility model is a kind of gas turbine turbine blade Cooling Holes clamp for machining that designs for the deficiency that solves above-mentioned technology, this a kind of gas turbine turbine blade Cooling Holes clamp for machining can be shown two angles according to process requirements, is conducive to improve machining accuracy and working (machining) efficiency.
A kind of gas turbine turbine blade Cooling Holes clamp for machining that the utility model is designed, comprise a square frame that is used for clamping described turbine blade, also comprise base, central floor panel, upper plate, upper slip gauge axle, upper slip gauge, middle slip gauge axle, lower slip gauge, upper rotating shaft and middle rotating shaft, described central floor panel one end is connected with described base hinge by rotating shaft in the middle of described, the other end of central floor panel be provided with described in the middle of the slip gauge axle, the position that is positioned at intermediate mass rule axle below on described base is provided with described lower slip gauge; Described upper plate one end is by upper rotating shaft and described central floor panel chain connection, the other end of upper plate be provided with described on the slip gauge axle, the position that is positioned at slip gauge axle below on described central floor panel is provided with described upper slip gauge; Described upper rotating shaft and middle rotating shaft spatially are in vertical distribution; But described square frame is arranged on described upper plate by the demolition structure.
As preferably:
Described square frame is arranged on upper plate by mounting screw;
Described base is provided with the step that matches with described middle rotating shaft, and described central floor panel is provided with the top chock that matches with described upper rotating shaft;
Be provided with fixedly blade root jaw, locating piece and movable blade root jaw in described square frame, described movable blade root jaw holds out against screw and is connected with one;
Described square frame is comprised of two generous deckle boards and two little square frame plates;
Described upper plate is provided with long guiding ruler and short guiding ruler, and described long guiding ruler and short guiding ruler spatially are in vertical distribution;
All be provided with handle on described upper plate and central floor panel;
A kind of gas turbine turbine blade Cooling Holes clamp for machining that the utility model is designed, its beneficial effect is: when interior back of the body arc direction needs swinging, only need to be encased inside the lower slip gauge that calculates between middle slip gauge axle and base and get final product; When turnover vapour edge direction needs swinging, only need to be encased inside the upper slip gauge that calculates in upper slip gauge axle and central floor panel and get final product.Angle by above-mentioned both direction just can adjust the blade Cooling Holes angle, make Cooling Holes be in vertical state man-hour adding, this fixture can be shown two angles according to process requirements, is conducive to improve machining accuracy and working (machining) efficiency.
Description of drawings
Fig. 1 is the front view of 1 one kinds of gas turbine turbine blade Cooling Holes clamp for machining of embodiment;
Fig. 2 is the top view of 1 one kinds of gas turbine turbine blade Cooling Holes clamp for machining of embodiment;
Fig. 3 is the side view of 1 one kinds of gas turbine turbine blade Cooling Holes clamp for machining of embodiment;
In figure: handle 1, hold out against screw 2, movable blade root jaw 3, fixedly blade root jaw 4, short guiding ruler 5, long guiding ruler 6, base 7, central floor panel 8, upper slip gauge axle 9, upper plate 10, generous deckle board 11, mounting screw 12, upper rotary body 13, top chock 14, locating piece 15, little square frame plate 16, upper slip gauge 17, middle slip gauge axle 18, lower slip gauge 19, middle bearing bracket 20, step 21.
The specific embodiment
The utility model will be further described by reference to the accompanying drawings below by embodiment.
Embodiment 1:
as Fig. 1, 2, shown in 3, the described a kind of gas turbine turbine blade Cooling Holes clamp for machining of the present embodiment, comprise a square frame that is used for clamping described turbine blade, also comprise base 7, central floor panel 8, upper plate 10, upper slip gauge axle 9, upper slip gauge 17, middle slip gauge axle 18, lower slip gauge 19, upper rotating shaft 13 and middle rotating shaft 20, described central floor panel 8 one ends are by step 21 chain connections on rotating shaft in the middle of described 20 and described base 7, the other end in central floor panel 8 is provided with described middle slip gauge axle 18, the position that is positioned at intermediate mass rule axle 18 belows on described base 7 is provided with described lower slip gauge 19, described upper plate 10 1 ends are by top chock 14 chain connections on upper rotating shaft 13 and described central floor panel 8, the other end of upper plate 10 be provided with described on slip gauge axle 9, the position that is positioned at slip gauge axle 9 belows on described central floor panel 8 is provided with described upper slip gauge 17, described upper rotating shaft 13 and middle rotating shaft 20 spatially are in vertical distribution, described square frame is by being arranged on described upper plate 10 by mounting screw 12, and described square frame is comprised of two generous deckle boards 11 and two little square frame plates 16, described upper plate 10 is provided with long guiding ruler 6 and short guiding ruler 5, and described long guiding ruler 6 and short guiding ruler 5 spatially are in vertical distribution, all be provided with handle 1 on described upper plate 10 and central floor panel 8.
Adopt the described a kind of gas turbine turbine blade Cooling Holes clamp for machining processing gas turbine turbine blade Cooling Holes of the present embodiment, adopt following steps:
The first step: blade is put into by two generous deckle boards 12 and two square frames that little square frame plate 17 forms, and make blade root and fixedly blade root jaw 4 coincide, make the blade root end face touch locating piece 15, then hold out against screw 2 promotion activity blade root jaws 3 and clamp blade by tightening interior hexagonal.
Second step: be encased inside the lower slip gauge 19 and the upper slip gauge 17 that calculate in the compounded sine platform, make the upper plate 10 of compounded sine platform be in level.
The 3rd step: square frame is positioned on upper plate 10 by long guiding ruler 6 and short guiding ruler 5 on device compounded sine platform, requires leaf to push up up, and fixing by interior hexagonal mounting screw 12.
The 4th step: under this state with fixture in the convenient face that calculates the origin of coordinates of galvano-cautery puncher is set as datum level.
The 5th step: the goniometer that pushes up first hole according to blade and blade is calculated the height of upper slip gauge 17 and lower slip gauge 19, is encased inside in fixture, and then the copper rod of mobile galvano-cautery puncher in the coordinate that calculates, is beaten the hole of designated depth.
The 6th step: repeated for the 5th step until the hole that blade and blade is pushed up has all been beaten.
The 7th step: unclamp interior hexagonal mounting screw 12 blade and square frame are stood up simultaneously, make the blade root of blade up, according to the method for blade and blade top punching, the hole is got through.
The described a kind of gas turbine turbine blade Cooling Holes clamp for machining of the present embodiment can be shown different compound angle rapidly for guaranteeing fixture, and fixture has adopted sine principle to build two-layer sinetable, has consisted of a two-way compounded sine platform.When interior back of the body arc direction needs swinging, only need to be encased inside the lower slip gauge 19 that calculates between middle slip gauge axle 18 and base 7 and get final product; When turnover vapour edge direction needs swinging, only need to be encased inside the upper slip gauge 17 that calculates in upper slip gauge axle 9 and central floor panel 8 and get final product.Angle by above-mentioned both direction just can adjust the blade Cooling Holes angle, make Cooling Holes be in vertical state man-hour adding.For guaranteeing the repetitive positioning accuracy of blade clamping in fixture, designed one by two generous deckle boards 11 and two square frames that little square frame plate 16 forms on the compounded sine platform, installed in square frame locating piece 15 and fixedly blade root jaw 4 be used for locating blades in the position of square frame, and movable blade root jaw 3 is used for clamping blade.Then the long guiding ruler 6 of the sub-through hole of square frame and short guiding ruler 7 are positioned on the compounded sine platform, and fixing by interior hexagonal mounting screw 12.Therefore, adopt the described a kind of gas turbine turbine blade Cooling Holes clamp for machining of the present embodiment, can effectively improve machining accuracy and working (machining) efficiency.
Specific embodiment described herein is only to design of the present utility model explanation for example.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (7)
1. gas turbine turbine blade Cooling Holes clamp for machining, comprise a square frame that is used for clamping described turbine blade, it is characterized in that also comprising base (7), central floor panel (8), upper plate (10), upper slip gauge axle (9), upper slip gauge (17), middle slip gauge axle (18), lower slip gauge (19), upper rotating shaft (13) and middle rotating shaft (20), described central floor panel (8) one ends are by rotating shaft (20) and described base (7) chain connection in the middle of described, the other end in central floor panel (8) is provided with described middle slip gauge axle (18), the position that is positioned at intermediate mass rule axles (18) belows on described base (7) is provided with described lower slip gauge (19), described upper plate (10) one ends are by upper rotating shaft (13) and described central floor panel (8) chain connection, the other end at upper plate (10) is provided with described upper slip gauge axle (9), and the position that is positioned at slip gauge axle (9) below on described central floor panel (8) is provided with described upper slip gauge (17), described upper rotating shaft (13) and middle rotating shaft (20) spatially are in vertical distribution, but described square frame is arranged on described upper plate (10) by the demolition structure.
2. a kind of gas turbine turbine blade Cooling Holes clamp for machining according to claim 1, is characterized in that described square frame is arranged on upper plate (10) by mounting screw (12).
3. a kind of gas turbine turbine blade Cooling Holes clamp for machining according to claim 1, it is characterized in that described base (7) is provided with the step (21) that matches with described middle rotating shaft (20), described central floor panel (8) is provided with the top chock (14) that matches with described upper rotating shaft (13).
4. according to claim 1 and 2 or 3 described a kind of gas turbine turbine blade Cooling Holes clamp for machining, it is characterized in that being provided with in described square frame fixedly blade root jaw (4), locating piece (15) and movable blade root jaw (3), described movable blade root jaw (3) holds out against screw (2) and is connected with one.
5. a kind of gas turbine turbine blade Cooling Holes clamp for machining according to claim 4, is characterized in that described square frame is comprised of two generous deckle boards (11) and two little square frame plates (16).
6. according to claim 1 and 2 or 3 described a kind of gas turbine turbine blade Cooling Holes clamp for machining, it is characterized in that described upper plate (10) is provided with long guiding ruler (6) and short guiding ruler (5), described long guiding ruler (6) and short guiding ruler (5) spatially are in vertical distribution.
7. according to claim 1 and 2 or 3 described a kind of gas turbine turbine blade Cooling Holes clamp for machining, is characterized in that all being provided with handle (1) on described upper plate (10) and central floor panel (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320327350 CN203266190U (en) | 2013-06-07 | 2013-06-07 | Clamp for machining cooling holes in turbine blade of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320327350 CN203266190U (en) | 2013-06-07 | 2013-06-07 | Clamp for machining cooling holes in turbine blade of gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203266190U true CN203266190U (en) | 2013-11-06 |
Family
ID=49496679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320327350 Expired - Lifetime CN203266190U (en) | 2013-06-07 | 2013-06-07 | Clamp for machining cooling holes in turbine blade of gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203266190U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246025A (en) * | 2021-05-19 | 2021-08-13 | 中航西安飞机工业集团股份有限公司 | Shot blasting clamp and shot blasting method for blade parts |
-
2013
- 2013-06-07 CN CN 201320327350 patent/CN203266190U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246025A (en) * | 2021-05-19 | 2021-08-13 | 中航西安飞机工业集团股份有限公司 | Shot blasting clamp and shot blasting method for blade parts |
| CN113246025B (en) * | 2021-05-19 | 2023-07-21 | 中航西安飞机工业集团股份有限公司 | Shot blasting clamp and shot blasting method for blade 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 |
Granted publication date: 20131106 |
|
| CX01 | Expiry of patent term |