CN103212742A - Milling tool for steam turbine bacterial-type root blades - Google Patents
Milling tool for steam turbine bacterial-type root blades Download PDFInfo
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- CN103212742A CN103212742A CN2013101128281A CN201310112828A CN103212742A CN 103212742 A CN103212742 A CN 103212742A CN 2013101128281 A CN2013101128281 A CN 2013101128281A CN 201310112828 A CN201310112828 A CN 201310112828A CN 103212742 A CN103212742 A CN 103212742A
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- steam turbine
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Abstract
The invention relates to a milling tool for steam turbine bacterial-type root blades, and solves the problem in the prior art that no special milling tool for processing the steam turbine bacterial-type blade root blades exists. A positioning block is vertically and fixedly connected with the middle part of one end of an upper end surface of a base plate in the width direction; a support screw passes through a first threaded hole and is in threaded connection with a pressing plate; two sides of the base plate, along the axial direction of a positioning threaded hole, are respectively fixedly connected with an ejection rod support and a support screw sequentially; a screw rod passes through the positioning threaded hole of the positioning block and is connected with a positioning thread; the lower ends of the bacterial-type root blades are clamped on the positioning block for positioning; the screw rod is rotated so as to butt against the bacterial-type root blades; each pressing plate is pressed on the upper surfaces of the bacterial-type root blades; adjusting studs are arranged in a manner of penetrating through guide grooves of the pressing plates; a nut is threadedly connected with the upper end of each adjusting stud so as to press the corresponding pressing plate tightly; and the threaded ejection rods are rotated so as to push two sides of the bacterial-type root blades tightly. The milling tool for the steam turbine bacterial-type root blades, provided by the invention, is used for clamping the steam turbine bacterial-type root blades.
Description
Technical field
The present invention relates to a kind of milling tool of steam turbine bacterial type blade root blade.
Background technology
The turbine blade blade root is the blade of bacterial type blade root, has nothing in common with each other because the leaf top is the size that self-crown and rivet reach radially, has so just brought great difficulty to blade root according to the processing of dispensing rotor race, has become production bottleneck.Require the process data of blade in the production and processing according to rotor, according to joining blade root processing blade root both sides size, accurate to dimension requires high, requirement is less than or equal to 0.02mm, the blade two shoulder depth of parallelisms can not exceed 0.03mm, and are not specifically designed to the milling tool of processing vapor turbine bacterial type blade root blade at present.
Summary of the invention
The present invention is not specifically designed to the problem of the milling tool of processing vapor turbine bacterial type blade root blade at present for solution, and then a kind of milling tool of steam turbine bacterial type blade root blade is provided.
The present invention solves the problems of the technologies described above the technical scheme of taking to be:
The milling tool of steam turbine bacterial type blade root blade comprises base plate, screw rod, locating piece, two pressing plates, two supporting screws, regulate double-screw bolt for two, two threaded mandrels, two push rod bearings and two nuts, base plate is the rectangle base plate, floor level is provided with, locating piece vertically is fixed in the middle part of upper surface one end of baseplate width direction, the center of the end face of locating piece is processed with positioning spiro pit, and the sidewall setting that is axially perpendicular to the described end of base plate of positioning spiro pit, one end of pressing plate plate face is processed with first screwed hole along the thickness direction of pressing plate, the middle part of pressing plate plate face is processed with gathering sill along the length direction of pressing plate, supporting screw passes first screwed hole and is threaded with pressing plate, positioning spiro pit axial both sides in base plate upper edge vertically are connected with a push rod bearing and a supporting screw respectively successively, the end face of each push rod bearing is processed with second screwed hole, each threaded mandrel screws in second screwed hole from the lateral direction of base plate and is threaded with the push rod bearing, the positioning spiro pit that screw rod passes locating piece is threaded with locating piece, bacterial type blade root blade is placed horizontally on the base plate, the lower end of bacterial type blade root blade is connected on the locating piece locatees, rotary screw holds out against bacterial type blade root blade, each pressing plate is pressed in the upper surface of bacterial type blade root blade, regulate the gathering sill setting that double-screw bolt passes pressing plate, and nut is threaded with the upper end of regulating double-screw bolt pressing plate is compressed, and the rotation threaded mandrel holds out against the both sides of bacterial type blade root blade.
The present invention compared with prior art has following beneficial effect: adopt the present invention that steam turbine bacterial type blade root blade is carried out Milling Process, guarantee the technology requirement, each size and precision≤0.02mm have been reached, guarantee processing one quality of stability of making peace, passing rate of processing is 100%, improve working (machining) efficiency, assurance normal process every day is for being no less than 200, guarantee the needs of assembling, reduced cost simultaneously, increased benefit, the present invention is simple in structure, reasonable in design, and the combination by each member can solve the different processing of leaves of nearly 50 ranks, uses easy to operate, fast.
Description of drawings
Fig. 1 is that master of the present invention looks installation diagram, and Fig. 2 is the vertical view of Fig. 1, and Fig. 3 is the front view of screw rod.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1～Fig. 3 explanation, the milling tool of the steam turbine bacterial type blade root blade of present embodiment comprises base plate 1, screw rod 2, locating piece 3, two pressing plates 4, two supporting screws 5, regulate double-screw bolt 6 for two, two threaded mandrels 7, two push rod bearings 8 and two nuts 9, base plate is the rectangle base plate, base plate 1 is horizontally disposed with, locating piece 3 vertically is fixed in the middle part of upper surface one end of base plate 1 width, the center of the end face of locating piece 3 is processed with positioning spiro pit 3-1, and the sidewall setting that is axially perpendicular to base plate 1 a described end of positioning spiro pit 3-1, one end of pressing plate 4 plate faces is processed with the first screwed hole 4-1 along the thickness direction of pressing plate 4, the middle part of pressing plate 4 plate faces is processed with gathering sill 4-2 along the length direction of pressing plate 4, supporting screw 5 passes the first screwed hole 4-1 and is threaded with pressing plate 4, the axial both sides of base plate 1 upper edge positioning spiro pit 3-1 vertically are connected with a push rod bearing 8 and a supporting screw 5 respectively successively, the end face of each push rod bearing 8 is processed with the second screwed hole 8-1, each threaded mandrel 7 screws in the second screwed hole 8-1 from the lateral direction of base plate 1 and is threaded with push rod bearing 8, the positioning spiro pit 3-1 that screw rod 2 passes locating piece 3 is threaded with locating piece 3, bacterial type blade root blade 10 is placed horizontally on the base plate 1, the lower end of bacterial type blade root blade 10 is connected to location on the locating piece 3, rotary screw 2 holds out against bacterial type blade root blade 10, each pressing plate 4 is pressed in the upper surface of bacterial type blade root blade 10, regulate the gathering sill 4-2 setting that double-screw bolt 6 passes pressing plate 4, and nut 9 is threaded with the upper end of regulating double-screw bolt 6 pressing plate 4 is compressed, and rotation threaded mandrel 7 holds out against the both sides of bacterial type blade root blade 10.
The specific embodiment two: in conjunction with Fig. 3 explanation, the end of the screw rod 2 of present embodiment is provided with rubber head 2-1.So be provided with, make cooperate between screw rod 2 and the bacterial type blade root 10 tightr, locating effect is better.Other compositions are identical with the specific embodiment one with annexation.
The specific embodiment three: in conjunction with Fig. 2 explanation, the length L of the base plate 1 of present embodiment is 300mm.Other compositions are identical with the specific embodiment one or two with annexation.
Operation principle: milling tool assembling of the present invention is finished, bacterial type blade root blade 10 clampings to be processed on milling tool, are carried out Milling Process with the milling tool clamping then on horizontal milling machine.
Claims (3)
1. the milling tool of a steam turbine bacterial type blade root blade, it is characterized in that: described milling tool comprises base plate (1), screw rod (2), locating piece (3), two pressing plates (4), two supporting screws (5), regulate double-screw bolt (6) for two, two threaded mandrels (7), two push rod bearings (8) and two nuts (9), base plate (1) is the rectangle base plate, base plate (1) is horizontally disposed with, locating piece (3) vertically is fixed in the middle part of upper surface one end of base plate (1) width, the center of the end face of locating piece (3) is processed with positioning spiro pit (3-1), and the sidewall setting that is axially perpendicular to the described end of base plate (1) of positioning spiro pit (3-1), one end of pressing plate (4) plate face is processed with first screwed hole (4-1) along the thickness direction of pressing plate (4), the middle part of pressing plate (4) plate face is processed with gathering sill (4-2) along the length direction of pressing plate (4), supporting screw (5) passes first screwed hole (4-1) and is threaded with pressing plate (4), the axial both sides of base plate (1) upper edge positioning spiro pit (3-1) vertically are connected with a push rod bearing (8) and a supporting screw (5) respectively successively, the end face of each push rod bearing (8) is processed with second screwed hole (8-1), each threaded mandrel (7) screws in second screwed hole (8-1) from the lateral direction of base plate (1) and is threaded with push rod bearing (8), the positioning spiro pit (3-1) that screw rod (2) passes locating piece (3) is threaded with locating piece (3), bacterial type blade root blade (10) is placed horizontally on the base plate (1), the lower end of bacterial type blade root blade (10) is connected to locating piece (3) and goes up the location, rotary screw (2) holds out against bacterial type blade root blade (10), each pressing plate (4) is pressed in the upper surface of bacterial type blade root blade (10), regulate gathering sill (4-2) setting that double-screw bolt (6) passes pressing plate (4), and nut (9) is threaded with the upper end of regulating double-screw bolt (6) pressing plate (4) is compressed, and rotation threaded mandrel (7) holds out against the both sides of bacterial type blade root blade (10).
2. the milling tool of a kind of steam turbine bacterial type blade root blade according to claim 1 is characterized in that: the end of screw rod (2) is provided with rubber head (2-1).
3. the milling tool of a kind of steam turbine bacterial type blade root blade according to claim 1 and 2 is characterized in that: the length (L) of base plate (1) is 300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310112828.1A CN103212742B (en) | 2013-04-02 | 2013-04-02 | The milling tool of steam turbine bacterial type blade root blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310112828.1A CN103212742B (en) | 2013-04-02 | 2013-04-02 | The milling tool of steam turbine bacterial type blade root blade |
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| Publication Number | Publication Date |
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| CN103212742A true CN103212742A (en) | 2013-07-24 |
| CN103212742B CN103212742B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310112828.1A Active CN103212742B (en) | 2013-04-02 | 2013-04-02 | The milling tool of steam turbine bacterial type blade root blade |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586712A (en) * | 2013-10-28 | 2014-02-19 | 哈尔滨汽轮机厂有限责任公司 | Fixture for clamping steam inlet and outlet sides of intermediates of blade roots during milling |
| CN103659378A (en) * | 2013-12-13 | 2014-03-26 | 无锡透平叶片有限公司 | Universal clamp device for vane overall length machining |
| CN104289934A (en) * | 2014-08-25 | 2015-01-21 | 哈尔滨汽轮机厂有限责任公司 | Blade locating device for machining milling dowel of compression ignition guide blade of milling machine |
| CN106002372A (en) * | 2016-06-21 | 2016-10-12 | 苏州骏发精密机械有限公司 | Positioning type clamping jig |
| CN107843174A (en) * | 2017-12-04 | 2018-03-27 | 无锡透平叶片有限公司 | The measuring tool of angle incline position is split for measuring the bacterial type blade root back of the body |
| CN108942314A (en) * | 2018-08-31 | 2018-12-07 | 武汉船用机械有限责任公司 | A kind of blade clamping tooling |
| CN109357585A (en) * | 2018-12-10 | 2019-02-19 | 无锡透平叶片有限公司 | The radius of gyration measuring device of turbine blade bacterial type blade root |
| CN109366403A (en) * | 2018-12-10 | 2019-02-22 | 无锡透平叶片有限公司 | Device for Bacterial type blade simulation assembly |
| CN109968066A (en) * | 2019-04-29 | 2019-07-05 | 哈尔滨汽轮机厂有限责任公司 | A kind of clamping device and method for processing steam turbine special vane and integral shroud |
| CN112475720A (en) * | 2020-11-16 | 2021-03-12 | 中国航发沈阳黎明航空发动机有限责任公司 | Positioning and compressing device for efficient micro-beam welding |
| CN113199252A (en) * | 2021-05-26 | 2021-08-03 | 江麓机电集团有限公司 | Efficient boring and milling clamp based on double-sided boring and milling center and boring and milling process method |
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| SU1360960A1 (en) * | 1986-05-30 | 1987-12-23 | Производственное Объединение Турбостроения "Ленинградский Металлический Завод" | Device for fixing turbine blade |
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| CN202006375U (en) * | 2011-04-07 | 2011-10-12 | 无锡透平叶片有限公司 | Improved clamp for bacterial type blade root tooth form machining |
| CN203109316U (en) * | 2013-04-02 | 2013-08-07 | 哈尔滨汽轮机厂有限责任公司 | Milling tool for bacterial type blade root blade of steam turbine |
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| SU1360960A1 (en) * | 1986-05-30 | 1987-12-23 | Производственное Объединение Турбостроения "Ленинградский Металлический Завод" | Device for fixing turbine blade |
| CN201295847Y (en) * | 2008-10-08 | 2009-08-26 | 沈阳飞机工业（集团）有限公司 | Combined clamp transition compactor |
| CN201824139U (en) * | 2010-08-05 | 2011-05-11 | 浙江中水发电设备有限公司 | Adjustable piston ring machining device |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586712B (en) * | 2013-10-28 | 2016-07-13 | 哈尔滨汽轮机厂有限责任公司 | A kind of milling blade root intermediate enters steam output side folder fixture |
| CN103586712A (en) * | 2013-10-28 | 2014-02-19 | 哈尔滨汽轮机厂有限责任公司 | Fixture for clamping steam inlet and outlet sides of intermediates of blade roots during milling |
| CN103659378A (en) * | 2013-12-13 | 2014-03-26 | 无锡透平叶片有限公司 | Universal clamp device for vane overall length machining |
| CN103659378B (en) * | 2013-12-13 | 2016-06-29 | 无锡透平叶片有限公司 | Universal clamp device for vane overall length processing |
| CN104289934A (en) * | 2014-08-25 | 2015-01-21 | 哈尔滨汽轮机厂有限责任公司 | Blade locating device for machining milling dowel of compression ignition guide blade of milling machine |
| CN104289934B (en) * | 2014-08-25 | 2016-07-27 | 哈尔滨汽轮机厂有限责任公司 | A kind of blade locking device for milling machine processing combustion pressure guide vane milling pin |
| CN106002372A (en) * | 2016-06-21 | 2016-10-12 | 苏州骏发精密机械有限公司 | Positioning type clamping jig |
| CN107843174B (en) * | 2017-12-04 | 2023-05-23 | 无锡透平叶片有限公司 | Measuring tool for measuring back splitting angle inclined plane position of bacterial blade root |
| CN107843174A (en) * | 2017-12-04 | 2018-03-27 | 无锡透平叶片有限公司 | The measuring tool of angle incline position is split for measuring the bacterial type blade root back of the body |
| CN108942314A (en) * | 2018-08-31 | 2018-12-07 | 武汉船用机械有限责任公司 | A kind of blade clamping tooling |
| CN109366403A (en) * | 2018-12-10 | 2019-02-22 | 无锡透平叶片有限公司 | Device for Bacterial type blade simulation assembly |
| CN109357585A (en) * | 2018-12-10 | 2019-02-19 | 无锡透平叶片有限公司 | The radius of gyration measuring device of turbine blade bacterial type blade root |
| CN109366403B (en) * | 2018-12-10 | 2023-09-22 | 无锡透平叶片有限公司 | Device for simulating assembly of fungus type blade |
| CN109968066A (en) * | 2019-04-29 | 2019-07-05 | 哈尔滨汽轮机厂有限责任公司 | A kind of clamping device and method for processing steam turbine special vane and integral shroud |
| CN109968066B (en) * | 2019-04-29 | 2023-10-10 | 哈尔滨汽轮机厂有限责任公司 | Clamping device and method for machining special blade and blade crown of steam turbine |
| CN112475720A (en) * | 2020-11-16 | 2021-03-12 | 中国航发沈阳黎明航空发动机有限责任公司 | Positioning and compressing device for efficient micro-beam welding |
| CN113199252A (en) * | 2021-05-26 | 2021-08-03 | 江麓机电集团有限公司 | Efficient boring and milling clamp based on double-sided boring and milling center and boring and milling process method |
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| CN103212742B (en) | 2015-08-19 |
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Effective date of registration: 20221221 Address after: 150000 building 3, high tech production base, Nangang District, Harbin City, Heilongjiang Province Patentee after: HARBIN TURBINE Co.,Ltd. Patentee after: HADIAN POWER EQUIPMENT NATIONAL ENGINEERING RESEARCH CENTER CO.,LTD. Address before: 150046 No. three power road 345, Xiangfang District, Heilongjiang, Harbin Patentee before: HARBIN TURBINE Co.,Ltd. |