CN203449202U - Measurement clamp for processing and detecting inner radial plane of guide vane of steam turbine - Google Patents
Measurement clamp for processing and detecting inner radial plane of guide vane of steam turbine Download PDFInfo
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- CN203449202U CN203449202U CN201320587770.1U CN201320587770U CN203449202U CN 203449202 U CN203449202 U CN 203449202U CN 201320587770 U CN201320587770 U CN 201320587770U CN 203449202 U CN203449202 U CN 203449202U
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- guide vane
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Abstract
The utility model provides a measurement clamp for processing and detecting the inner radial plane of a guide vane of a steam turbine, relates to a measurement clamp for the guide vane of the steam turbine, which solves the problems of low positioning and clamping efficiency, unstable positioning accuracy, as well as clamping error increase, measurement accuracy reduction and manufacture cost increase caused by secondary clamping in measurement in the existing positioning and clamping method. The measurement clamp comprises a bottom plate, a positioning block, a measurement body, a steam intake side positioning block and two pressing plates; the measurement body comprises a base, a steam intake datum plate, an inner radial face standard station and at least two rib plates; the steam intake datum plate is tightly attached to the base and fixed by the at least two rib plates; the included angle between the base and the steam intake datum plate is an obtuse angle; the inner radial face standard station is fixed on the steam intake datum plate; the base and the positioning block are respectively fixedly connected with the bottom plate; the two pressing plates are respectively hoisted on the steam intake datum plate by means of bolt connection; the steam intake side positioning block is fixedly connected with the steam intake datum plate. The measurement clamp is used for positioning and clamping, and measuring the guide vane of the steam turbine.
Description
Technical field
The utility model relates to a kind of amount fixture of steam turbine guide vane.
Background technology
During the assembling of steam turbine combustion machine guide vane, mainly by the interior sagittal plane of adjacent two guide vanes, realize assembling with the laminating of back of the body sagittal plane, and the assembling of steam turbine combustion machine guide vane directly has influence on the power output of combustion machine.When the interior sagittal plane of processing guide vane, existing positioning and clamping method is first to suppose that the interior sagittal plane of guide vane is balanced to approximate calculation again goes out to carry on the back the radially size of cushion block, during the interior sagittal plane of processing, pass through gage measuring, radially cushion block is carried on the back in adjustment, when fixture is adjusted to measurement that the interior sagittal plane processing meets measurer and is required, fixture is just calculated initial workpiece and has been located, at this moment just can produce in batches, make positioning and clamping inefficiency, and fixture initial workpiece location will rely on the skilled worker's of processing experience operating technology just can complete, positioning precision is determined by human factor completely, cannot guarantee stable positioning precision, and while measuring, want secondary clamping, clamping error is increased, certainty of measurement reduces, thereby reduce the machining accuracy of guide vane and follow-up assembly quality, increased manufacturing cost.
Utility model content
The purpose of this utility model is to provide a kind of for processing and detect the amount fixture of sagittal plane in steam turbine guide vane, to solve existing positioning and clamping method, there is positioning and clamping inefficiency, positioning precision is determined by human factor completely, make positioning precision unstable, and while measuring due to secondary clamping, the increase of clamping error, certainty of measurement are reduced, thereby reduce the machining accuracy of guide vane and follow-up assembly quality, increased the problem of manufacturing cost.
A kind of for processing and detect the amount fixture of sagittal plane in steam turbine guide vane, described amount fixture comprises base plate, locating piece, measurer body, steam admission side locating piece and two pressing plates, measurer body comprises base, admission datum plate, interior sagittal plane standard station and at least two floors, the lower end of admission datum plate one side abuts on a side of base, base is horizontally disposed with, angle between base and admission datum plate is obtuse angle, base is fixedly connected with by least two floors with admission datum plate, the outer surface of admission datum plate is datum level, interior sagittal plane standard station is fixed on the upper surface of admission datum plate, base and locating piece are fixed in respectively the upper surface of base plate, and locating piece is posted by datum level setting, two pressing plates are bolted respectively the left and right sides being lifted on datum level, steam admission side locating piece is fixed on datum level and near a pressing plate setting.
The utility model compared with prior art has following beneficial effect: guide vane is directly installed on amount fixture of the present utility model, just can complete positioning and clamping, relatively existing positioning and clamping technology is time saving and energy saving, improved positioning and clamping efficiency, make clamping relative prior art positioning time save 20 to 40 minutes, and positioning precision is determined by datum level 3-4-1, steam admission side locating piece 6 and the locating piece 2 of measuring fixture, makes positioning precision stable.Interior sagittal plane standard station 3-3 and admission datum plate 3-4 are made as one, the processing of interior sagittal plane just can be completed by clamped one time with detection, improved the certainty of measurement of clamping positioning precision and interior sagittal plane, thereby the machining accuracy having improved and follow-up assembly quality, make the reparation amount after guide vane assembling reduce 5mm to 15mm, reduced manufacturing cost.
Accompanying drawing explanation
Fig. 1 is broken section assembling front view of the present utility model, Fig. 2 be the P of Fig. 1 to view, Fig. 3 is the front view of measurer body 3, Fig. 4 is that the A of Fig. 3 is to view.
The specific embodiment
The specific embodiment one: illustrate in conjunction with Fig. 1 to Fig. 4, described amount fixture of the present utility model comprises base plate 1, locating piece 2, measurer body 3, steam admission side locating piece 6 and two pressing plates 4, measurer body 3 comprises base 3-1, admission datum plate 3-4, interior sagittal plane standard station 3-3 and at least two floor 3-2, the lower end of admission datum plate 3-4 mono-side abuts on a side of base 3-1, base 3-1 is horizontally disposed with, angle between base 3-1 and admission datum plate 3-4 is obtuse angle, base 3-1 is fixedly connected with by least two floor 3-2 with admission datum plate 3-4, the outer surface of admission datum plate 3-4 is datum level 3-4-1, interior sagittal plane standard station 3-3 is fixed on the upper surface of admission datum plate 3-4, base 3-1 and locating piece 2 are fixed in respectively the upper surface of base plate 1, and locating piece 2 is posted by datum level 3-4-1 and arranges, two pressing plates 4 are loaded on the left and right sides on datum level 3-4-1 by bolt 5 connecting hangings respectively, steam admission side locating piece 6 is fixed in datum level 3-4-1 above and arranges near a pressing plate 4.
The specific embodiment two: illustrate in conjunction with Fig. 1 to Fig. 3, achieve a fixed connection by screw and alignment pin respectively between the described base 3-1 of present embodiment and base plate 1, steam admission side locating piece 6 and admission datum plate 3-4, locating piece 2 and base plate 1.Location standard ask, fixed.Meet design instructions for use.In present embodiment, undocumented technical characterictic is identical with the specific embodiment one.
The specific embodiment three: in conjunction with Fig. 3 and Fig. 4 explanation, the quantity of the floor 3-2 of present embodiment is three.Can guarantee the fixedly reliability of admission datum plate 3-4 and base 3-1, can reduce again the manufacturing cost of floor 3-2, meet design instructions for use.In present embodiment, undocumented technical characterictic is identical with the specific embodiment one or two.
The specific embodiment four: in conjunction with Fig. 2 explanation, the pressing plate 4 of present embodiment is isosceles trapezoid, the long diapire of pressing plate 4 is respectively equipped with a boss 4-2 near two waist places, direction along this axis of symmetry on the axis of symmetry of two isosceles trapezoids is processed with strip hole 4-1, and bolt 5 is lifted on pressing plate 4 on datum level through strip hole 4-1.The position that reclines of adjusting pressing plate 4 and guide vane by strip hole 4-1, the shape of pressing plate 4 meets clamping instructions for use.In present embodiment, undocumented technical characterictic is identical with the specific embodiment one, two or three.
Operation principle
During clamping, the steam admission side blade root of guide vane is posted by steam admission side locating piece 6, the steam admission side integral shroud of guide vane is posted by datum level 3-4-1 upper, the back of the body sagittal plane of guide vane is placed on locating piece 2, complete all location, two boss 4-2 of pressing plate 4 fix guide vane by confining bolt 5.
During measurement, respectively the support that amesdial is housed is fixed on to the diverse location place on interior sagittal plane standard station 3-3, and the amesdial numerical value when recording respectively corresponding position amesdial contact and touching interior sagittal plane, then contrast different numerical difference sizes, in judgement sagittal plane whether process qualified.
Claims (4)
1. one kind for processing and detect the amount fixture of sagittal plane in steam turbine guide vane, it is characterized in that: described amount fixture comprises base plate (1), locating piece (2), measurer body (3), steam admission side locating piece (6) and two pressing plates (4), measurer body (3) comprises base (3-1), admission datum plate (3-4), interior sagittal plane standard station (3-3) and at least two floors (3-2), the lower end of admission datum plate (3-4) side abuts on a side of base (3-1), base (3-1) is horizontally disposed with, angle between base (3-1) and admission datum plate (3-4) is obtuse angle, base (3-1) is fixedly connected with by least two floors (3-2) with admission datum plate (3-4), the outer surface of admission datum plate (3-4) is datum level (3-4-1), interior sagittal plane standard station (3-3) is fixed on the upper surface of admission datum plate (3-4), base (3-1) and locating piece (2) are fixed in respectively the upper surface of base plate (1), and locating piece (2) is posted by datum level (3-4-1) setting, two pressing plates (4) are loaded on the left and right sides on datum level (3-4-1) by bolt (5) connecting hanging respectively, steam admission side locating piece (6) is fixed in the upper and close pressing plate (4) of datum level (3-4-1) and arranges.
2. according to claim 1 for processing and detect the amount fixture of sagittal plane in steam turbine guide vane, it is characterized in that: between described base (3-1) and base plate (1), steam admission side locating piece (6) and admission datum plate (3-4), locating piece (2) and base plate (1), by screw and alignment pin, achieve a fixed connection respectively.
3. according to claim 1 for processing and detect the amount fixture of sagittal plane in steam turbine guide vane, it is characterized in that: the quantity of floor (3-2) is three.
According to described in claim 1,2 or 3 for processing and detect the amount fixture of sagittal plane in steam turbine guide vane, it is characterized in that: pressing plate (4) is isosceles trapezoid, the long diapire of pressing plate (4) is respectively equipped with a boss (4-2) near two waist places, direction along this axis of symmetry on the axis of symmetry of two isosceles trapezoids is processed with strip hole (4-1), and bolt (5) is lifted on pressing plate (4) on datum level through strip hole (4-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320587770.1U CN203449202U (en) | 2013-09-23 | 2013-09-23 | Measurement clamp for processing and detecting inner radial plane of guide vane of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320587770.1U CN203449202U (en) | 2013-09-23 | 2013-09-23 | Measurement clamp for processing and detecting inner radial plane of guide vane of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203449202U true CN203449202U (en) | 2014-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320587770.1U Expired - Lifetime CN203449202U (en) | 2013-09-23 | 2013-09-23 | Measurement clamp for processing and detecting inner radial plane of guide vane of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203449202U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503367A (en) * | 2014-12-11 | 2015-04-08 | 常州奥凡威尔智能技术有限公司 | Turbine blade processing and on-line detection system based on numerical control processing device |
| CN108581897A (en) * | 2018-04-13 | 2018-09-28 | 哈尔滨汽轮机厂有限责任公司 | A kind of specific purpose tool and its processing method of processing partition board assembly positioning plate |
| CN113524065A (en) * | 2020-09-29 | 2021-10-22 | 无锡透平叶片有限公司 | Frame type measuring tool for measuring T-shaped blade root blade of reaction steam turbine |
-
2013
- 2013-09-23 CN CN201320587770.1U patent/CN203449202U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503367A (en) * | 2014-12-11 | 2015-04-08 | 常州奥凡威尔智能技术有限公司 | Turbine blade processing and on-line detection system based on numerical control processing device |
| CN104503367B (en) * | 2014-12-11 | 2017-06-23 | 常州奥凡威尔智能技术有限公司 | A kind of turbo blade processing and on-line detecting system based on numerical control processing apparatus |
| CN108581897A (en) * | 2018-04-13 | 2018-09-28 | 哈尔滨汽轮机厂有限责任公司 | A kind of specific purpose tool and its processing method of processing partition board assembly positioning plate |
| CN113524065A (en) * | 2020-09-29 | 2021-10-22 | 无锡透平叶片有限公司 | Frame type measuring tool for measuring T-shaped blade root blade of reaction steam turbine |
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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: 20140226 |
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| CX01 | Expiry of patent term |