CN203109316U - Milling tool for bacterial type blade root blade of steam turbine - Google Patents
Milling tool for bacterial type blade root blade of steam turbine Download PDFInfo
- Publication number
- CN203109316U CN203109316U CN 201320160796 CN201320160796U CN203109316U CN 203109316 U CN203109316 U CN 203109316U CN 201320160796 CN201320160796 CN 201320160796 CN 201320160796 U CN201320160796 U CN 201320160796U CN 203109316 U CN203109316 U CN 203109316U
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- bacterial type
- base plate
- blade root
- type blade
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Abstract
The utility model relates to a milling tool for a bacterial type blade root blade of a steam turbine, which is used for solving the problem of unavailable milling tool special for processing the bacterial type blade root blade of the steam turbine. A positioning block is vertically and fixedly connected to the middle part of one end of the upper end face in the width direction of a bottom plate; a support screw is in threaded connection with a pressure plate by passing through a first threaded hole; both sides of the bottom plate are vertically and fixedly connected with a mandrel supporting seat and a support screw respectively in sequence along the axial direction of a positioning threaded hole; a screw rod is in threaded connection with the positioning block by passing through the positioning threaded hole in the positioning block; the lower end of the bacterial type blade root blade is positioned by being clamped on the positioning block; the bacterial type blade root blade is screwed tightly by rotating the screw rod; each pressure plate is pressed against the upper surface of the bacterial type blade root blade; an adjusting screw stud is arranged by passing through a guide groove of the pressure plate; a nut is in threaded connection with the upper end of the adjusting screw stud to compress the pressure plate; and both sides of the bacterial type blade root blade are pressed tightly by rotating the threaded mandrel. The milling tool is used for clamping the bacterial type blade root blade of the steam turbine.
Description
Technical field
The utility model 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 blade according to the process data of rotor in the production and processing, 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.
The utility model content
The utility model 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 utility model is to solve 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 arranges, 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 are processed with a blind hole respectively, 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, and each supporting screw inserts in the corresponding blind hole and is fastenedly connected with base plate, 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 end of screw rod is provided with the rubber head, 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 utility model compared with prior art has following beneficial effect: adopt the utility model 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 utility model 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 utility model 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 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 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 are processed with a blind hole 1-1 respectively, 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, and each supporting screw 5 inserts in the corresponding blind hole 1-1 and is fastenedly connected with base plate 1, 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 end of screw rod 2 is provided with rubber head 2-1, 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. 2 explanation, the length L of the base plate 1 of present embodiment is 300mm.Other compositions are identical with the specific embodiment one with annexation.
Operation principle: milling tool assembling of the present utility model 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 at horizontal milling machine then.
Claims (2)
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) are processed with a blind hole (1-1) respectively, 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, and each supporting screw (5) inserts in the corresponding blind hole (1-1) and is fastenedly connected with base plate (1), 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 end of screw rod (2) is provided with rubber head (2-1), 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 length (L) of base plate (1) is 300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320160796 CN203109316U (en) | 2013-04-02 | 2013-04-02 | Milling tool for bacterial type blade root blade of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320160796 CN203109316U (en) | 2013-04-02 | 2013-04-02 | Milling tool for bacterial type blade root blade of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203109316U true CN203109316U (en) | 2013-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320160796 Expired - Lifetime CN203109316U (en) | 2013-04-02 | 2013-04-02 | Milling tool for bacterial type blade root blade of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203109316U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212742A (en) * | 2013-04-02 | 2013-07-24 | 哈尔滨汽轮机厂有限责任公司 | Milling tool for steam turbine bacterial-type root blades |
| CN104084814A (en) * | 2014-07-01 | 2014-10-08 | 东方电气集团东方汽轮机有限公司 | Quick clamping and alignment method and fixture for milling arc segments of stationary blade grid |
| CN105215733A (en) * | 2015-09-30 | 2016-01-06 | 重庆凯顺机械有限公司 | The fixture of balancing weight and processing method thereof |
| CN105252320A (en) * | 2015-09-30 | 2016-01-20 | 重庆凯顺机械有限公司 | Clamp and machining method for balancing weight |
| CN108127431A (en) * | 2017-10-31 | 2018-06-08 | 武汉船用机械有限责任公司 | A kind of blade positioning tool |
| CN109483444A (en) * | 2019-01-02 | 2019-03-19 | 安徽誉特双节能技术有限公司 | A kind of maintenance positioning tool of steam turbine rotor |
| CN109702522A (en) * | 2019-03-07 | 2019-05-03 | 烟台南山学院 | A kind of fixture for machine tool of intelligentized control method |
| CN110480380A (en) * | 2019-09-03 | 2019-11-22 | 南通中能机械制造有限公司 | A kind of pincer blade root special milling fixture |
| CN114113170A (en) * | 2021-11-19 | 2022-03-01 | 华能国际电力股份有限公司 | Supporting device and supporting method for nondestructive testing of internal structure of turbine blade |
| CN114932425A (en) * | 2022-05-30 | 2022-08-23 | 哈尔滨汽轮机厂有限责任公司 | Machining method for assembling T blade root of inner and back arc guide blade and used clamp |
-
2013
- 2013-04-02 CN CN 201320160796 patent/CN203109316U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212742A (en) * | 2013-04-02 | 2013-07-24 | 哈尔滨汽轮机厂有限责任公司 | Milling tool for steam turbine bacterial-type root blades |
| CN103212742B (en) * | 2013-04-02 | 2015-08-19 | 哈尔滨汽轮机厂有限责任公司 | The milling tool of steam turbine bacterial type blade root blade |
| CN104084814A (en) * | 2014-07-01 | 2014-10-08 | 东方电气集团东方汽轮机有限公司 | Quick clamping and alignment method and fixture for milling arc segments of stationary blade grid |
| CN105215733A (en) * | 2015-09-30 | 2016-01-06 | 重庆凯顺机械有限公司 | The fixture of balancing weight and processing method thereof |
| CN105252320A (en) * | 2015-09-30 | 2016-01-20 | 重庆凯顺机械有限公司 | Clamp and machining method for balancing weight |
| CN105252320B (en) * | 2015-09-30 | 2017-10-24 | 重庆凯顺机械有限公司 | The fixture and its processing method of balancing weight |
| CN108127431A (en) * | 2017-10-31 | 2018-06-08 | 武汉船用机械有限责任公司 | A kind of blade positioning tool |
| CN109483444A (en) * | 2019-01-02 | 2019-03-19 | 安徽誉特双节能技术有限公司 | A kind of maintenance positioning tool of steam turbine rotor |
| CN109702522A (en) * | 2019-03-07 | 2019-05-03 | 烟台南山学院 | A kind of fixture for machine tool of intelligentized control method |
| CN109702522B (en) * | 2019-03-07 | 2020-02-07 | 烟台南山学院 | Intelligently-controlled clamp for machine tool |
| CN110480380A (en) * | 2019-09-03 | 2019-11-22 | 南通中能机械制造有限公司 | A kind of pincer blade root special milling fixture |
| CN114113170A (en) * | 2021-11-19 | 2022-03-01 | 华能国际电力股份有限公司 | Supporting device and supporting method for nondestructive testing of internal structure of turbine blade |
| CN114113170B (en) * | 2021-11-19 | 2023-08-11 | 华能国际电力股份有限公司 | Supporting device and supporting method for nondestructive testing of internal structure of turbine blade |
| CN114932425A (en) * | 2022-05-30 | 2022-08-23 | 哈尔滨汽轮机厂有限责任公司 | Machining method for assembling T blade root of inner and back arc guide blade and used clamp |
| CN114932425B (en) * | 2022-05-30 | 2024-04-12 | 哈尔滨汽轮机厂有限责任公司 | Processing method for assembling inner back arc guide blade T blade root and clamp used by same |
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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: 20130807 |
|
| CX01 | Expiry of patent term |