CN203542435U - Centering and restraining device for annular thin-walled part - Google Patents
Centering and restraining device for annular thin-walled part Download PDFInfo
- Publication number
- CN203542435U CN203542435U CN201320700458.9U CN201320700458U CN203542435U CN 203542435 U CN203542435 U CN 203542435U CN 201320700458 U CN201320700458 U CN 201320700458U CN 203542435 U CN203542435 U CN 203542435U
- Authority
- CN
- China
- Prior art keywords
- slide block
- block
- pedestal
- adjusting bolt
- pressing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a centering and restraining device for an annular thin-walled part and belongs to the technical field of manufacturing of parts of aero-engines. A plurality of reference blocks and four centering portions are distributed on a base. One end of a pressing plate of each pressing portion is located on the upper end face of the corresponding reference block, and the other end of the pressing plate of each pressing portion is fixed to the base through a pressing plate adjusting bolt. One end of each pressing threaded rod is connected with the base, and the other end of each pressing threaded rod is provided with a locking nut. A guiding block of each centering portion is fixedly installed on the base. A sliding groove is formed in each guiding block. Each guiding block is matched with a sliding block through the corresponding sliding groove in a sliding mode. A sliding block adjusting bolt is connected with each sliding block and is parallel to the corresponding sliding groove. A stop block is fixedly arranged on each guiding block arranged at the outer end of the corresponding sliding block. Each sliding block adjusting bolt can rotate relative to the corresponding stop block but cannot move in the axial direction. Limiting blocks are fixedly installed on the base. A dial indicator is installed on each limiting block and is parallel to the corresponding sliding groove. A contact of each dial indicator is in contact with the outer side surface of the corresponding sliding block. The inner side surface of the limiting portion of each limiting block corresponds to the outer side surface of the limiting portion of the corresponding sliding block.
Description
Technical field
The utility model belongs to aerial motor spare part manufacturing technology field, particularly relates to a kind of ring-shaped thin-walled part centering restraint device.
Background technology
Ring-shaped thin-walled part work in-process in aerial motor spare part is very easily out of shape, want accurately to detect its size extremely difficult especially, when ring-shaped thin-walled part is in lathe, owing to there being the protection of positioning fixture, operator can carry out size detection to ring-shaped thin-walled part easily, once ring-shaped thin-walled part is unloaded from lathe, rethink and it is carried out to accurate size detection become very difficult, part is adding man-hour due to clamping, be heated and vibrate and all can produce machining deformation, and part after distortion is difficult to accurately find the center of part when detecting, at Central of the parts, determine the data of measuring inaccurate in the situation that, be difficult to truly reflect the actual machining shape of part.
Present stage adopts the locate mode of maximum material principle to carry out the round mouth of locating element conventionally, and then the center of definite part, but the part positioning datum tolerance of this locate mode is larger, and in when location limit feature completely, owing to existing fit clearance between part and positioner, cause locating inaccurate, directly affect the certainty of measurement of accessory size.
Utility model content
The problem existing for prior art, the utility model provides a kind of ring-shaped thin-walled part centering restraint device that can eliminate part positioning datum tolerance completely and eliminate part and positioner fit clearance.
To achieve these goals, the utility model adopts following technical scheme: a kind of ring-shaped thin-walled part centering restraint device, comprise pedestal, reference block, centering part and pressing section, described pedestal is set to disc-shaped structure, on pedestal, be uniformly distributed circumferentially some reference blocks, some reference blocks upper surface is all positioned in same level; Described bourrelet divides and is set to quadruplet, and is uniformly distributed circumferentially on pedestal;
Described pressing section comprises pressing plate, clamping screw, locking nut and pressing plate adjusting bolt, one end of described pressing plate is positioned on the upper surface of reference block, the other end is fixed on pedestal by pressing plate adjusting bolt, one end of described clamping screw is connected with pedestal by the through hole at pressing plate middle part, and the other end is provided with locking nut;
Described bourrelet divides and comprises guide pad, slide block, slide block adjusting bolt, scotch, limited block and dial gauge, described guide pad is packed on pedestal, on guide pad, along pedestal radial direction, be provided with chute, slide block is positioned at chute, and guide pad is slidably matched by chute and slide block; Slide block adjusting bolt is connected with slide block by screw thread, slide block adjusting bolt and chute be arranged in parallel, on the guide pad of slide block outer end, be fixed with scotch, the non-threaded end of slide block adjusting bolt is positioned at scotch, and slide block adjusting bolt with respect to scotch rotatably but axially not movable; Described limited block is packed on pedestal, and dial gauge is installed on limited block, and dial gauge and chute be arranged in parallel, and the contact of dial gauge contacts with the lateral surface of slide block; The medial surface of described limited block stop portion is corresponding with the lateral surface of slide block stop portion.
The medial surface of the described stop portion of limited block is everywhere not more than 0.005mm to the difference of each size in the pedestal center of circle.
Described reference block is set to sector structure.
Described pressing section is at least everywhere.
The beneficial effects of the utility model:
The utility model compared with prior art, abandoned the locate mode of original employing maximum material principle, utilize equally distributed any 4 of part round mouth place to feel relieved, in centering process, can eliminate part positioning datum tolerance completely, eliminate the fit clearance between part and positioner, realize the accurate location of part, for subsequent parts dimensional measurement, lay a good foundation, the certainty of measurement of accessory size is significantly improved.
Accompanying drawing explanation
Fig. 1 is a kind of ring-shaped thin-walled part centering restraint device structural representation of the present utility model;
Fig. 2 is A-A cutaway view in Fig. 1;
Fig. 3 is B-B cutaway view in Fig. 1;
In figure, 1-pedestal, 2-reference block, 3-guide pad, 4-slide block, 5-slide block adjusting bolt, 6-scotch, 7-limited block, 8-dial gauge, 9-pressing plate, 10-clamping screw, 11-locking nut, 12-pressing plate adjusting bolt, 13-part.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, 2, 3, a kind of ring-shaped thin-walled part centering restraint device, comprise pedestal 1, reference block 2, centering part and pressing section, described pedestal 1 is set to disc-shaped structure, eight reference blocks 2 on pedestal 1, have been uniformly distributed circumferentially, eight reference block 2 upper surfaces are all positioned in same level, and the flatness of reference block 2 upper surfaces is 0.01mm simultaneously; Described bourrelet divides and is set to quadruplet, and is uniformly distributed circumferentially on pedestal 1;
Described pressing section comprises pressing plate 9, clamping screw 10, locking nut 11 and pressing plate adjusting bolt 12, one end of described pressing plate 9 is positioned on the upper surface of reference block 2, the other end is fixed on pedestal 1 by pressing plate adjusting bolt 12, one end of described clamping screw 10 is connected with pedestal 1 by the through hole at pressing plate 9 middle parts, and the other end is provided with locking nut 11;
Described bourrelet divides and comprises guide pad 3, slide block 4, slide block adjusting bolt 5, scotch 6, limited block 7 and dial gauge 8, described guide pad 3 is packed on pedestal 1, on guide pad 3, along pedestal 1 radial direction, be provided with chute, slide block 4 is positioned at chute, and guide pad 3 is slidably matched by chute and slide block 4; Slide block adjusting bolt 5 is connected with slide block 4 by screw thread, slide block adjusting bolt 5 be arranged in parallel with chute, on the guide pad 3 of slide block 4 outer ends, be fixed with scotch 6, the non-threaded end of slide block adjusting bolt 5 is positioned at scotch 6, and slide block adjusting bolt 5 with respect to scotch 6 rotatably but axially not movable; Described limited block 7 is packed on pedestal 1, and dial gauge 8 is installed on limited block 7, and dial gauge 8 be arranged in parallel with chute, and the contact of dial gauge 8 contacts with the lateral surface of slide block 4; Described limited block 7 upper end medial surfaces are corresponding with slide block 4 upper end lateral surfaces.
The described 7 upper end medial surfaces of limited block are everywhere not more than 0.005mm to the difference of each size in pedestal 1 center of circle.
Described reference block 2 is set to sector structure.
Described pressing section is eight places.
Below in conjunction with accompanying drawing, a use procedure of the present utility model is described:
The ring-shaped thin-walled part that will measure in the present embodiment is low-pressure turbine casing housing, this part belongs to the ring-shaped thin-walled part of typical thin-walled, major diameter and many diameter dimensions, part maximum diameter is φ 1131mm, minimum place diameter is φ 830mm, part height is 370mm, be ± 0.15mm of part diameter tolerance everywhere, part is comprised of six place's cone segments and two place's mounting edges, and part thinnest part is only 1.3mm.
Forward rotation first place's slide block adjusting bolt 5, and then slide block 4 is moved along guide pad 3 forwards, until the medial surface of slide block 4 contacts with the mounting edge of part 13, be rotated further slide block adjusting bolt 5, slide block 4 can head on part 13 and move to opposite side, until the opposite side mounting edge of part 13 contacts with second place's slide block 4 of opposite side, record the numerical value of first place's dial gauge 8 simultaneously, this numerical value is designated as A, numerical value A represents the upwards size of theoretical fit clearance of part 13 cylindrical actual sizes and centering restraint device of the party, then rotate backward first place's slide block adjusting bolt 5, make first place's slide block 4 get back to initial position, the upper end lateral surface and the limited block 7 upper end medial surfaces that are slide block 4 fit.
In like manner, the 3rd place's slide block adjusting bolt 5 in forward rotation vertical direction, and then slide block 4 is moved along guide pad 3 forwards, until the medial surface of slide block 4 contacts with the mounting edge of part 13, be rotated further slide block adjusting bolt 5, slide block 4 can head on part 13 and move to opposite side, until the opposite side mounting edge of part 13 and opposite side everywhere slide block 4 contact, record the numerical value of second place's dial gauge 8 simultaneously, this numerical value is designated as B, numerical value B represents the upwards size of theoretical fit clearance of part 13 cylindrical actual sizes and centering restraint device of the party, then rotate backward the 3rd place's slide block adjusting bolt 5, make the 3rd place's slide block 4 get back to initial position, the upper end lateral surface and the limited block 7 upper end medial surfaces that are slide block 4 fit.
Forward rotation slide block adjusting bolt 5 everywhere successively, wherein pass through the rotation of second place's slide block adjusting bolt 5 of first place's slide block adjusting bolt 5 and its opposite side, and then making all distances of mobile 0.5A of slide block 4 at the first place and the second place, numerical value 0.5A obtains by the dial gauge 8 of observing the first place and the second place; By the rotation of slide block adjusting bolt 5 everywhere of the 3rd place's slide block adjusting bolt 5 and its opposite side, and then make the 3rd place and all distances of mobile 0.5B of slide block 4 everywhere, numerical value 0.5B obtains by observing the 3rd place and the dial gauge 8 everywhere; Now slide block 4 is all fitted with part 13 completely everywhere, thereby has realized the object of eliminating part positioning datum tolerance completely.
Make pressing plate 9 one end of pressing section contact with the mounting edge upper surface of part 13, adjust pressing plate adjusting bolt 12 simultaneously, make pressing plate 9 maintenance levels, screw locking nut 11, effect lower locking nut 11 at clamping screw 10 constantly presses down pressing plate 9, and then by pressing plate 9, part 13 is pressed on pedestal 1 firmly, now part has completed position constraint, under position constraint state, part 13 center overlaps completely with the center of pedestal 1, when part 13 is measured, as long as just can directly realize the object to part 13 center centerings by centering pedestal 1.
Claims (4)
1. a ring-shaped thin-walled part centering restraint device, it is characterized in that: comprise pedestal, reference block, centering part and pressing section, described pedestal is set to disc-shaped structure, has been uniformly distributed circumferentially some reference blocks on pedestal, and some reference blocks upper surface is all positioned in same level; Described bourrelet divides and is set to quadruplet, and is uniformly distributed circumferentially on pedestal;
Described pressing section comprises pressing plate, clamping screw, locking nut and pressing plate adjusting bolt, one end of described pressing plate is positioned on the upper surface of reference block, the other end is fixed on pedestal by pressing plate adjusting bolt, one end of described clamping screw is connected with pedestal by the through hole at pressing plate middle part, and the other end is provided with locking nut;
Described bourrelet divides and comprises guide pad, slide block, slide block adjusting bolt, scotch, limited block and dial gauge, described guide pad is packed on pedestal, on guide pad, along pedestal radial direction, be provided with chute, slide block is positioned at chute, and guide pad is slidably matched by chute and slide block; Slide block adjusting bolt is connected with slide block by screw thread, slide block adjusting bolt and chute be arranged in parallel, on the guide pad of slide block outer end, be fixed with scotch, the non-threaded end of slide block adjusting bolt is positioned at scotch, and slide block adjusting bolt with respect to scotch rotatably but axially not movable; Described limited block is packed on pedestal, and dial gauge is installed on limited block, and dial gauge and chute be arranged in parallel, and the contact of dial gauge contacts with the lateral surface of slide block; The medial surface of described limited block stop portion is corresponding with the lateral surface of slide block stop portion.
2. a kind of ring-shaped thin-walled part centering restraint device according to claim 1, is characterized in that: the medial surface of the described stop portion of limited block is everywhere not more than 0.005mm to the difference of each size in the pedestal center of circle.
3. a kind of ring-shaped thin-walled part centering restraint device according to claim 1, is characterized in that: described reference block is set to sector structure.
4. a kind of ring-shaped thin-walled part centering restraint device according to claim 1, is characterized in that: described pressing section is at least everywhere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320700458.9U CN203542435U (en) | 2013-11-07 | 2013-11-07 | Centering and restraining device for annular thin-walled part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320700458.9U CN203542435U (en) | 2013-11-07 | 2013-11-07 | Centering and restraining device for annular thin-walled part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203542435U true CN203542435U (en) | 2014-04-16 |
Family
ID=50460602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320700458.9U Expired - Fee Related CN203542435U (en) | 2013-11-07 | 2013-11-07 | Centering and restraining device for annular thin-walled part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203542435U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476223A (en) * | 2014-11-10 | 2015-04-01 | 沈阳黎明航空发动机(集团)有限责任公司 | Following adaptive supporting mechanism for thin-wall cover hood like parts |
| CN105328572A (en) * | 2015-11-24 | 2016-02-17 | 郑州磨料磨具磨削研究所有限公司 | Grinding wheel block convex-concave cambered surface dressing device |
| CN106584148A (en) * | 2016-12-02 | 2017-04-26 | 江西昌河航空工业有限公司 | Positioning tool for cylindrical workpiece |
| CN107052839A (en) * | 2017-02-08 | 2017-08-18 | 哈尔滨汽轮机厂有限责任公司 | One kind processing gland sealing gear fixture |
| CN108044316A (en) * | 2017-12-18 | 2018-05-18 | 中国航发贵州黎阳航空动力有限公司 | A kind of processing method of turbine casing housing unit |
| CN108481052A (en) * | 2018-03-23 | 2018-09-04 | 西安交通大学 | A kind of Thin-Wall Outer Casing class part is without flutter processing method and its clamp for machining |
-
2013
- 2013-11-07 CN CN201320700458.9U patent/CN203542435U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476223A (en) * | 2014-11-10 | 2015-04-01 | 沈阳黎明航空发动机(集团)有限责任公司 | Following adaptive supporting mechanism for thin-wall cover hood like parts |
| CN105328572A (en) * | 2015-11-24 | 2016-02-17 | 郑州磨料磨具磨削研究所有限公司 | Grinding wheel block convex-concave cambered surface dressing device |
| CN106584148A (en) * | 2016-12-02 | 2017-04-26 | 江西昌河航空工业有限公司 | Positioning tool for cylindrical workpiece |
| CN107052839A (en) * | 2017-02-08 | 2017-08-18 | 哈尔滨汽轮机厂有限责任公司 | One kind processing gland sealing gear fixture |
| CN108044316A (en) * | 2017-12-18 | 2018-05-18 | 中国航发贵州黎阳航空动力有限公司 | A kind of processing method of turbine casing housing unit |
| CN108044316B (en) * | 2017-12-18 | 2019-05-14 | 中国航发贵州黎阳航空动力有限公司 | A kind of processing method of turbine casing housing unit |
| CN108481052A (en) * | 2018-03-23 | 2018-09-04 | 西安交通大学 | A kind of Thin-Wall Outer Casing class part is without flutter processing method and its clamp for machining |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203542435U (en) | Centering and restraining device for annular thin-walled part | |
| CN109115083B (en) | Claw type deep hole inner diameter measuring device and measuring method | |
| CN104390555A (en) | Measurement gauge | |
| CN104807388A (en) | Measuring tool and method for measuring size of inner dual-ring groove part control edge | |
| CN203744893U (en) | Tool for detecting external diameter of odd number tooth | |
| CN111207656A (en) | Rapid metering device and metering method for tooth profile of cycloidal gear of RV reducer | |
| CN103075988A (en) | Device for rapidly detecting inner diameter and height of magnetic shoe housing assembly | |
| CN110657733B (en) | A double sealing surface diameter measuring instrument and measuring method for special buckle of petroleum pipe | |
| JP3840228B2 (en) | Tire molding die peripheral surface measuring apparatus and peripheral surface measuring method thereof | |
| CN208075716U (en) | A kind of complete cross-section thin-wall bearing outer ring pulsation measurement device | |
| CN103615960A (en) | External thread coaxiality measuring device and measuring method | |
| CN107101555A (en) | A kind of detection means and method for measuring round piece rabbet surface diameter | |
| CN103447987A (en) | Self-centering clamp of internal gear ring and gear measuring instrument | |
| CN203798284U (en) | Large-diameter measuring device | |
| CN203824505U (en) | Testing fixture used for detecting workpiece planeness | |
| CN114459322B (en) | Clutch pressure plate taper measuring tool and using method | |
| CN217331009U (en) | Utensil is examined in special use of CVT band pulley shaft conical surface angle | |
| CN105202995A (en) | Cylinder part inner hole positioning device and cylinder part outer contour geometric tolerance measuring instrument | |
| CN205066624U (en) | A frustum of a cone part resilience value measuring device for single -point takes shape step by step | |
| CN210070904U (en) | Hole coaxiality measuring device | |
| CN209166306U (en) | A kind of device of rapid survey abnormal shape stepped hole | |
| CN210004926U (en) | measuring tools special for discontinuous inner arc | |
| CN201476773U (en) | Precise pivoting support hydraulic pressure detector | |
| CN103063109B (en) | The spacing axial wall thickness dimension measuring method of variable cross-section inner cavity revolution body | |
| CN203509927U (en) | Calibration block for ultra-precise polishing machine coordinate origin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20171107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |