CN104084814A - Quick clamping and alignment method and fixture for milling arc segments of stationary blade grid - Google Patents
Quick clamping and alignment method and fixture for milling arc segments of stationary blade grid Download PDFInfo
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- CN104084814A CN104084814A CN201410306399.6A CN201410306399A CN104084814A CN 104084814 A CN104084814 A CN 104084814A CN 201410306399 A CN201410306399 A CN 201410306399A CN 104084814 A CN104084814 A CN 104084814A
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- segmental arc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/063—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding turbine blades
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Abstract
The invention discloses a quick clamping and alignment method and a fixture for milling arc segments of a stationary blade grid and belongs to the technical field of machining of steam turbines. According to the quick clamping and alignment method and the fixture for milling the arc segments of the stationary blade grid, the principle that three points form a plane is utilized, and quick clamping and alignment of the arc segments of the stationary blade grid are achieved through three-point locating and three-point auxiliary supporting; in the application process, adjustment is convenient, operation is easy, the application range is large, the defects that the arc segments of the stationary blade grid have many specifications, the locating accuracy of arc surfaces of the arc segments of the stationary blade grid in the actual machining process is hard to guarantee due to the structure of the arc segments, and a conventional clamping and alignment device is low in universality are overcome, and the alignment efficiency and accuracy are improved; meanwhile, in the method, a modular design thought is adopted for the corresponding clamping and alignment fixture, so that the universality of the device is greatly improved, and operation is convenient, fast and flexible.
Description
Technical field
The present invention relates to a kind of static cascade segmental arc Milling Process quick-clamping aligning method, belong to steam turbine processing technique field.
Background technology
Static cascade segmental arc is to be formed by branched leaf grating welding equipment, and multiple static cascade segmental arcs are finally spliced into whole circle static cascade.For ensureing assembling and the positioning precision of static cascade segmental arc, complete after the welding equipment of static cascade segmental arc, must carry out respectively Milling Process to the steam admission side of the inside and outside integral shroud of static cascade segmental arc and steam output side.Because the specification of static cascade segmental arc is more, and it presents the design feature of arc section, the larger problem of existence in reality processing: the one, and the arc surface positioning precision of static cascade segmental arc is difficult for ensureing; The 2nd, conventional clamping alignment device versatility is not high.For further solving above-mentioned technological difficulties, by the Milling Process practice to many static cascade segmental arcs, a kind of method that can realize fast static cascade segmental arc clamping centering in Milling Process is now proposed.
Summary of the invention
Goal of the invention of the present invention is: for the problem of above-mentioned existence, a kind of method and the centering fixture that can realize fast static cascade segmental arc clamping centering in Milling Process is provided, in static cascade segmental arc Milling Process, it can be the hi-Fix of realizing arc surface, improve static cascade segmental arc clamping centering efficiency, improve the versatility of different size static cascade segmental arc centering simultaneously.
The technical solution used in the present invention is as follows:
A kind of static cascade segmental arc Milling Process quick-clamping aligning method, comprises the following steps:
(a) welding procedure attachment strap on the periphery wall of being preced with outside static cascade segmental arc and the periphery wall of interior hat;
(b) taking the steam output side of static cascade segmental arc as placed side, static cascade segmental arc is placed on the mounting plane of fixture by three highly consistent cushion block A, wherein two cushion block A lay respectively at the both ends of outer hat segmental arc, and another is positioned at the middle part of hat segmental arc;
(c) static cascade segmental arc is carried out to side end face and radial location, levelling static cascade segmental arc steam admission side, and from attachment strap, static cascade segmental arc is carried out to pre-pressing;
(d) between fixture and static cascade segmental arc, place three Height Adjustable cushion block B, wherein two cushion block B lay respectively at the both ends of interior hat segmental arc, another is positioned at the middle part of outer hat segmental arc, regulates the height of cushion block B that itself and steam output side are affixed, and levelling static cascade segmental arc steam admission side again;
(e) from the attachment strap of outer hat and interior hat, static cascade segmental arc is compressed, complete the clamping centering of static cascade segmental arc.
Further, in described step (b), by draw the initial riding position of establishing round line and tentatively determine static cascade segmental arc and cushion block A on the mounting plane of fixture, it is close or consistent that described round line and static cascade segmental arc are preced with circular arc outward.
When described step (c) and step (d) levelling static cascade segmental arc steam admission side, by adjusting the distance between each cushion block A place place's steam output side and fixture mounting plane, make the maximum difference of three place's distances be no more than 0.5mm.
A kind of static cascade segmental arc Milling Process quick-clamping centering fixture, comprises that plate body, one group of height fix and consistent cushion block A and one group of Height Adjustable cushion block B; On described plate body, be provided with for static cascade segmental arc radially with the detent mechanism of side end face location, the radially jacking mechanism radially holding out against for static cascade segmental arc and compress the press-loading device of installing for static cascade segmental arc.
Further, described press-loading device comprises connecting screw rod, pressing plate and studdle, and described connecting screw rod is threaded connection and is arranged on plate body, and described pressing plate is sheathed on connecting screw rod, and studdle is threaded and is arranged at pressing back-end with pressing plate.
Further, described detent mechanism comprises main body block and the eccentric setting pin in main body block, and described main body block adopts screw to be connected with plate body.
Further, described radially jacking mechanism comprises mounting rod and is arranged at the screw that holds out against on mounting rod, described in hold out against screw and be arranged on plate body by mounting rod.
Further, described cushion block B comprises lower nut and be arranged at adjustment screw adaptive with it on lower nut, and the end face of described adjustment screw is tapered structure, and adjustment screw end face is placed with adaptive adjustment packing ring.
Further, on the plate body of described detent mechanism and press-loading device position, be provided with the installation screw of matrix.
Further, on described plate body, be provided with the round line close or consistent with the outer hat segmental arc of static cascade segmental arc.
The present invention utilizes the principle of " 3 one-tenth faces " to realize the quick-clamping centering of static cascade segmental arc, the placement of arranging by three highly fixing and consistent cushion block A with " handstand triangle ", static cascade segmental arc steam output side is contacted with cushion block A, and it is upper to be positioned over cushion block A, and levelling static cascade segmental arc steam admission side; Again three cushion block B are arranged and put into static cascade segmental arc below with " upright triangle ", adjust the height of each cushion block B simultaneously, and levelling static cascade segmental arc steam admission side again, finally realize the quick-clamping centering of static cascade segmental arc.
Levelling static cascade segmental arc steam admission side is the height value by measuring admission side, three cushion block A places in this technique, if the difference of three place's height values be not more than 0.5mm the levelling of static cascade segmental arc steam admission side meet technological requirement, if the difference of three place's height values is greater than 0.5mm, regulate and levelling by the mode of adding plug clearance gauge in cushion block A position, or regulate and levelling (levelling speed is relatively slow) by reasonable adjusting cushion block A position, in the levelling process of static cascade segmental arc steam admission side also by pre-estimation cushion block B position, and measure the height of the admission side of San Chu position, cushion block B place, so that take into account cushion block B everywhere difference in height be also not more than 0.5mm, to ensure the efficiency of whole centering process, and give full play to the supplemental support of cushion block B, prevent that processing vibration from waiting effect.
It is worth mentioning that, because the interior hat positioning precision of outer hat positioning precision of static cascade segmental arc is high, in the present invention, (1 cushion block A is positioned over hat segmental arc middle part in static cascade should to be " handstand triangle " placement as three cushion block A of static cascade segmental arc basic fixed position point, another 2 cushion block A are positioned over static cascade and are preced with segmental arc both ends outward), be positioned over static cascade and be preced with outward in the middle part of segmental arc and be three cushion block B(1 cushion block B that " upright triangle " place, another 2 cushion block B are positioned over hat segmental arc both ends in static cascade) mainly play the effect of supplemental support, this modes of emplacement can effectively ensure the accuracy of centering process.
Further, be also preced with the close or consistent round line of circular arc outward by drawing to establish with static cascade segmental arc on fixture mounting plane, can utilize round line tentatively to determine the initial riding position of static cascade segmental arc and cushion block A, the efficiency of raising installation and centering process; In (b) step, preliminary while determining static cascade segmental arc putting position, by adjustments make leaf grating as much as possible be preced with that circular arc drops on round line outward or near, to guarantee the accurate of the radial location of static cascade segmental arc and installation; (c) and (d) in step when levelling static cascade segmental arc steam admission side, the maximum difference of the steam admission side height of three places, cushion block A place and San Chu position, cushion block B place is preferably not more than 0.3mm, can at utmost reduce correct error.
In sum, owing to having adopted technique scheme, the invention has the beneficial effects as follows: described static cascade segmental arc Milling Process quick-clamping aligning method and fixture thereof, utilize the principle of " 3 one-tenth faces ", realize the quick-clamping centering of static cascade segmental arc by " three-point fix, 3 supplemental support ", this static cascade segmental arc aligning method is easy to adjust in application process, easy to operate, and the scope of application is larger; Meanwhile, in the method, corresponding clamping centering fixture adopts modularized design thinking, has greatly improved the versatility of device, and simple operation, flexible.
Brief description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is that fixture of the present invention is installed the installation lateral plan after static cascade segmental arc;
Fig. 2 is that fixture of the present invention is installed the top view after static cascade segmental arc;
Fig. 3 is the detent mechanism structural representation of fixture of the present invention;
Fig. 4 is the cushion block B structural representation of fixture of the present invention;
Fig. 5 is the radially jacking mechanism structural representation of fixture of the present invention.
Mark in figure: 1-plate body, 2-cushion block A, 3-cushion block B, 3.1-lower nut, 3.2-adjustment screw, 3.3-adjusts packing ring, 4-detent mechanism, 4.1-main body block, 4.2-pin, 5-is jacking mechanism radially, 5.1-mounting rod, 5.2-holds out against screw, 6-connecting screw rod, 7-pressing plate, 8-studdle, 9-static cascade segmental arc, 10-attachment strap, 11-is preced with outward, hat in 12-, 13-installation screw, 14-circle line, a-steam admission side, b-steam output side, c-side end face, d-is preced with periphery wall outward, hat periphery wall in e-, f-radially.
Detailed description of the invention
Disclosed all features in this description, or step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Disclosed arbitrary feature in this description, unless narration especially all can be replaced by other equivalences or the alternative features with similar object.,, unless narration especially, each feature is an example in a series of equivalences or similar characteristics.
A kind of static cascade segmental arc Milling Process quick-clamping aligning method of the present invention, comprises the following steps:
(a) welding procedure attachment strap on the periphery wall of being preced with outside static cascade segmental arc and the periphery wall of interior hat;
(b) taking the steam output side of static cascade segmental arc as placed side, static cascade segmental arc is placed on the mounting plane of fixture by three highly consistent cushion block A, wherein two cushion block A lay respectively at the both ends of outer hat segmental arc, and another is positioned at the middle part of hat segmental arc;
(c) static cascade segmental arc is carried out to side end face and radial location, levelling static cascade segmental arc steam admission side, and from attachment strap, static cascade segmental arc is carried out to pre-pressing;
(d) between fixture and static cascade segmental arc, place three Height Adjustable cushion block B, wherein two cushion block B lay respectively at the both ends of interior hat segmental arc, another is positioned at the middle part of outer hat segmental arc, regulates the height of cushion block B that itself and steam output side are affixed, and levelling static cascade segmental arc steam admission side again;
(e) from the attachment strap of outer hat and interior hat, static cascade segmental arc is compressed, complete the clamping centering of static cascade segmental arc.
For further improving centering efficiency and precision, in described step (b), by draw the initial riding position of establishing round line and tentatively determine static cascade segmental arc and cushion block A on plane bottom plate, described round line is close or consistent with the circular arc that static cascade segmental arc is preced with outward, preliminary while determining static cascade segmental arc putting position, make the circular arc of the outer hat of leaf grating as much as possible drop on round line by adjusting the radial position of static cascade arc or near, with guarantee the radial location of static cascade segmental arc and installation accurately, levelling static cascade segmental arc steam admission side is the height value by measuring admission side, three cushion block A places in this technique, if the difference of three place's height values is not more than 0.5mm(and is preferably not more than 0.3mm) the levelling of static cascade segmental arc steam admission side meet technological requirement, if the difference of three place's height values is greater than 0.5mm(and is preferably greater than 0.3mm), regulate and levelling by the mode of adding plug clearance gauge in cushion block A position, in the whole levelling process of static cascade segmental arc steam admission side also by pre-estimation cushion block B position, and measure the height of the admission side of San Chu position, cushion block B place, so that take into account cushion block B everywhere difference in height be also not more than 0.5mm(and be preferably not more than 0.3mm), to ensure the efficiency of whole centering process.
Embodiment
Based on above-mentioned static cascade segmental arc Milling Process quick-clamping centering thinking, static cascade segmental arc Milling Process quick-clamping centering fixture in the present embodiment, comprise that plate body 1(is of a size of the square plate of 1200mm × 700mm × 50mm), 3 highly fixing and consistent cushion block A2(diameters are 60mm, the cylinder of high 50mm) and 3 high 50mm left and right adjusting of Height Adjustable cushion block B3(); On described plate body 1, be provided with for radially f and the detent mechanism 4 of side end face c location, the radially jacking mechanism 5 radially holding out against for static cascade segmental arc 9 and the press-loading device for the 9 compression installations of static cascade segmental arc of static cascade segmental arc 9.
In the present embodiment, described detent mechanism 4 is mainly used in the radially location of f and side end face c of static cascade segmental arc 9, and convenient static cascade segmental arc 9 on cushion block A2 is located.Described detent mechanism 4 comprises that columniform main body block 4.1 and the eccentric setting dismountable pin 4.2(in main body block 4.1 is as Fig. 3), between described main body block 4.1 and plate body 1, be connected by sunk screw, pin 4.2 for the contacting and keeping out upwards of static cascade segmental arc 9 footpaths, the eccentric design of pin 4.2 employing makes to rotate flexibly main body block 4.1 and reaches the effect and the function that regulate anchor point, side end face c has 4 places (as Fig. 2) in static cascade segmental arc: the each place of inside and outside hat, both ends of two segmental arcs, make the installation site of static cascade segmental arc 9 firm by the location of f and side end face c radially.
Described press-loading device comprises connecting screw rod 6, pressing plate 7 and studdle 8, its mechanism as shown in Figure 1, described connecting screw rod 6 is threaded connection and is arranged on plate body 1, described pressing plate 7 is sheathed on connecting screw rod 6, studdle 8 is threaded with pressing plate 7 and is arranged at pressing plate 7 rear ends, make by the adjusting nut on connecting screw rod 6, under the cooperation of studdle 8, realize the compression of pressing plate 7 to static cascade segmental arc 9 attachment strap 10 everywhere.
Described radially jacking mechanism 5 comprises mounting rod 5.1 and is arranged at and holds out against screw 5.2 on mounting rod 5.1, described mounting rod 5.1 and plate body 1 adopt and are threaded, as shown in Figure 1 and Figure 4, holding out against screw 5.2 by adjusting realizes radially holding out against of f of static cascade segmental arc 9.
Described cushion block B3 comprises lower nut 3.1 and is arranged at lower nut 3.1 adjustment screw adaptive with it 3.2, the end face of described adjustment screw 3.2 is tapered structure, adjustment screw 3.2 end faces are placed with adaptive adjustment packing ring 3.3, its structure as shown in Figure 5, the height-adjustable of cushion block B3 makes to adapt to the height size of installation site, adjusts packing ring 3.3 and can regulate and be convenient to realize face with steam output side b and contact.
On described plate body 1, be provided with altogether in the present embodiment radially jacking mechanism 5 of 4,6 press-loading devices of 3 detent mechanisms and 2.6 press-loading devices are divided into two groups, every group 3, outer hat periphery wall d to static cascade segmental arc 9 and interior hat periphery wall e press-fit respectively, and each press-loading device is uniformly distributed in the arc length of static cascade segmental arc 9, make press-loading device on plate body 1, be fan shape matrix arrangements (as shown in Figure 2); 3 detent mechanisms, 2 location of the radially f for static cascade segmental arc 9 wherein, locate for side end face c for 1, due to outer hat 11 positioning precisions of static cascade segmental arc 9 in hat 12 positioning precisions high, therefore 2 detent mechanisms for the radial location of static cascade segmental arc are distributed in the plate body 1 of the face that passes through the mutually institute correspondence position of outer hat 11 and blade profile, and are uniformly distributed in whole segmental arc length; For the detent mechanism of side end face c and for the detent mechanism of radial location to form as far as possible a larger face, therefore the detent mechanism 4 of another 1 side end face c location is preferably positioned on the plate body 1 of either side end face c position of hat; For radially hold out against 2 radially jacking mechanism 5 be arranged at position outside outer hat periphery wall d, and be uniformly distributed in outer hat 11 arc length of static cascade segmental arc.
On the plate body 1 of described detent mechanism 4 and press-loading device position, be provided with the installation screw 13 of matrix, make detent mechanism 4 and press-loading device in suitable scope, to select applicable installation screw 13 to install, to adapt to the installation requirements of different size static cascade segmental arc.
On described plate body 1, be carved with the round line 14 close or consistent with outer hat 11 segmental arcs of static cascade segmental arc 9, to improve the efficiency of confirming static cascade segmental arc 9 and cushion block A2 initial putting position on plate body 1, the diameter that circle line 14 is preced with circular arc outward with the static cascade segmental arc that approaches plurality of specifications as much as possible is advisable.
Static cascade segmental arc Milling Process quick-clamping centering fixture of the present invention, use and aligning method are as follows:
(a) 3 blocks of technique attachment straps 10 of each welding on the outer hat periphery wall d of static cascade segmental arc 9 and interior hat periphery wall e, technique attachment strap 10 is preced with 11 outside, be uniformly distributed in the arc length of interior hat 12;
(b) by the preliminary putting position of determining static cascade segmental arc 9 and cushion block A2 of round line 14 of scribing on plate body 1, two cushion block A2 lay respectively at the both ends of outer hat 11 segmental arcs, another is positioned at the middle part of hat 12 segmental arcs, " the handstand triangle " that form as shown in Figure 2 puts relation, taking the steam output side b of static cascade segmental arc 9 as placed side, by three cushion block A2, static cascade segmental arc 9 is placed in the plane of plate body 1.In the preliminary process of determining static cascade segmental arc 9 and cushion block A2 putting position, by guarantee that outer hat 11 circular arcs of leaf grating as much as possible drop on round line 14 or near, accurate to guarantee that static cascade segmental arc 9 is radially installed.
(c) regulate also rotation positioning device 4, its pin 4.2 and radial location face and the side end face c of static cascade segmental arc 9 are joined, stationary positioned mechanism 4, then to the levelling of static cascade segmental arc steam admission side, difference with the height that ensures three steam admission side a of cushion block A2 place is not more than 0.3mm, estimate cushion block B3 installation site simultaneously, the difference that ensures the height of three steam admission side a of cushion block B3 place is also not more than 0.3mm, then regulates press-loading device, from outer hat 11 and the each attachment strap 10 of interior hat 12, static cascade segmental arc 9 is carried out to pre-pressing;
(d) between plate body 1 and static cascade segmental arc 9, place three Height Adjustable cushion block B3, wherein two cushion block B3 lay respectively at the both ends of interior hat 12 segmental arcs, another is positioned at the middle part of outer hat 11 segmental arcs, " the upright triangle " that form as shown in Figure 2 puts relation, regulate cushion block B3 highly to make itself and steam output side b be affixed, and levelling static cascade segmental arc steam admission side a again, the height difference of taking into account cushion block A2 and cushion block B3 position in levelling process is all not more than 0.3mm;
(e) regulate press-loading device, from each attachment strap of outer hat 11 and interior hat 12, static cascade segmental arc 9 is compressed, complete the clamping centering of static cascade segmental arc 9.
Static cascade segmental arc Milling Process quick-clamping aligning method of the present invention and fixture thereof, utilize the principle of " 3 one-tenth faces ", realize the quick-clamping centering of static cascade segmental arc by " three-point fix, 3 supplemental support ", this static cascade segmental arc aligning method is easy to adjust in application process, easy to operate, and the scope of application is larger.Meanwhile, in the method, corresponding clamping centering fixture adopts modularized design thinking, has greatly improved the versatility of device, and simple operation, flexible.
The present invention is not limited to aforesaid detailed description of the invention.The present invention expands to any new feature or any new combination disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (10)
1. a static cascade segmental arc Milling Process quick-clamping aligning method, is characterized in that: comprise the following steps:
(a) welding procedure attachment strap on the periphery wall of being preced with outside static cascade segmental arc and the periphery wall of interior hat;
(b) taking the steam output side of static cascade segmental arc as placed side, static cascade segmental arc is placed on the mounting plane of fixture by three highly consistent cushion block A, wherein two cushion block A lay respectively at the both ends of outer hat segmental arc, and another is positioned at the middle part of hat segmental arc;
(c) static cascade segmental arc is carried out to side end face and radial location, levelling static cascade segmental arc steam admission side, and from attachment strap, static cascade segmental arc is carried out to pre-pressing;
(d) between fixture and static cascade segmental arc, place three Height Adjustable cushion block B, wherein two cushion block B lay respectively at the both ends of interior hat segmental arc, another is positioned at the middle part of outer hat segmental arc, regulates the height of cushion block B that itself and steam output side are affixed, and levelling static cascade segmental arc steam admission side again;
(e) from the attachment strap of outer hat and interior hat, static cascade segmental arc is compressed, complete the clamping centering of static cascade segmental arc.
2. static cascade segmental arc Milling Process quick-clamping aligning method as claimed in claim 1, it is characterized in that: in described step (b), by draw the initial riding position of establishing round line and tentatively determine static cascade segmental arc and cushion block A on the mounting plane of fixture, it is close or consistent that described round line and static cascade segmental arc are preced with circular arc outward.
3. static cascade segmental arc Milling Process quick-clamping aligning method as claimed in claim 1 or 2, it is characterized in that: when described step (c) and step (d) levelling static cascade segmental arc steam admission side, by adjusting the distance between each cushion block A place place's steam output side and fixture mounting plane, make the maximum difference of three place's distances be no more than 0.5mm.
4. a static cascade segmental arc Milling Process quick-clamping centering fixture, is characterized in that: comprise that plate body, one group of height fix and consistent cushion block A and one group of Height Adjustable cushion block B; On described plate body, be provided with for static cascade segmental arc radially with the detent mechanism of side end face location, the radially jacking mechanism radially holding out against for static cascade segmental arc and compress the press-loading device of installing for static cascade segmental arc.
5. static cascade segmental arc Milling Process quick-clamping centering fixture as claimed in claim 4, it is characterized in that: described press-loading device comprises connecting screw rod, pressing plate and studdle, described connecting screw rod is threaded connection and is arranged on plate body, described pressing plate is sheathed on connecting screw rod, and studdle is threaded and is arranged at pressing back-end with pressing plate.
6. static cascade segmental arc Milling Process quick-clamping centering fixture as claimed in claim 4, is characterized in that: described detent mechanism comprises main body block and the eccentric setting pin in main body block, and described main body block adopts screw to be connected with plate body.
7. static cascade segmental arc Milling Process quick-clamping centering fixture as claimed in claim 4, is characterized in that: described radially jacking mechanism comprises mounting rod and be arranged at the screw that holds out against on mounting rod, described in hold out against screw and be arranged on plate body by mounting rod.
8. static cascade segmental arc Milling Process quick-clamping alignment device as claimed in claim 4, it is characterized in that: described cushion block B comprises lower nut and is arranged at adjustment screw adaptive with it on lower nut, the end face of described adjustment screw is tapered structure, and adjustment screw end face is placed with adaptive adjustment packing ring.
9. the static cascade segmental arc Milling Process quick-clamping centering fixture as described in claim 5 to 8, is characterized in that: the installation screw that is provided with matrix on the plate body of described detent mechanism and press-loading device position.
10. the static cascade segmental arc Milling Process quick-clamping centering fixture as described in claim 4 to 9 any one, is characterized in that: on described plate body, be provided with the round line close or consistent with the outer hat segmental arc of static cascade segmental arc.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410306399.6A CN104084814B (en) | 2014-07-01 | 2014-07-01 | Quick clamping and alignment method and fixture for milling arc segments of stationary blade grid |
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| CN201410306399.6A CN104084814B (en) | 2014-07-01 | 2014-07-01 | Quick clamping and alignment method and fixture for milling arc segments of stationary blade grid |
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| CN104084814A true CN104084814A (en) | 2014-10-08 |
| CN104084814B CN104084814B (en) | 2017-03-22 |
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| DE102008051933A1 (en) * | 2008-10-09 | 2010-04-15 | Mtu Aero Engines Gmbh | Holding device for holding at least one rotor blade and method for mounting a blade ring |
| CN201552565U (en) * | 2009-10-29 | 2010-08-18 | 天津市天发重型水电设备制造有限公司 | Scribing tooling for runner blade with axle head |
| CN102501239A (en) * | 2011-10-28 | 2012-06-20 | 中联重科股份有限公司 | Box-shaped suspension arm online scribing method, scribing device and suspension arm production line |
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