CN103175461B - Detecting device for depth dimensions of closing grooves of nuts - Google Patents
Detecting device for depth dimensions of closing grooves of nuts Download PDFInfo
- Publication number
- CN103175461B CN103175461B CN201310064211.7A CN201310064211A CN103175461B CN 103175461 B CN103175461 B CN 103175461B CN 201310064211 A CN201310064211 A CN 201310064211A CN 103175461 B CN103175461 B CN 103175461B
- Authority
- CN
- China
- Prior art keywords
- closing
- flat thread
- threaded plate
- planar
- gathering sill
- 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.)
- Active
Links
Abstract
The invention provides a detecting device for depth dimensions of closing grooves of nuts. The detecting device comprises a driving device and a planar threaded plate. The driving device is connected to the back surface of the planar threaded plate, planar thread structures are arranged on the front surface of the planar threaded plate, the driving device drives the planar threaded plate to rotate around the axis of the planar threaded plate, a shell is arranged on the outer circumferential side of the planar threaded plate in a surrounding manner, guide grooves are arranged on side walls of the shell, racks which move towards the center of the planar threaded plate along the guide grooves are arranged on the guide grooves, and are meshed with the planar thread structures, a measuring pin is fixedly arranged at the end, which is close to the center of the planar threaded plate, of each rack, and the measuring pins point to the center of the planar threaded plate. The detecting device has the advantages that a gap of measurement for depth dimensions of closing grooves of nuts is filled, measurable data accumulation is provided for manufacture of the closed nuts, a closing experimental process for a closing machining procedure is simplified, the production efficiency of the closed nuts and the consistency of the closing quality are effectively improved, and the production cost is saved.
Description
Technical field
The invention belongs to securing member processing checkout equipment field, particularly relate to the pick-up unit of Aero-Space nut crimping groove depth size.
Background technology
Securing member is employed in a large number in aircaft configuration, existence as the fastener hole such as bolt, riveting parts causes stress and concentrates, reduce the anti-fatigue performance of structure, therefore, improved the anti-fatigue performance of securing member by special manufacturing process, assembly technology, cause the extensive concern of aircraft engineers.The technique that Closely locking nut surface carries out closing up is exactly a kind of processing technology of effective raising securing member anti-fatigue performance.By closing up to Closely locking nut damaged surface, the diameter dimension of Closely locking nut closing in place is diminished, when Closely locking nut and corresponding bolts assemblies, stress extruding is produced between bolts and nuts, correlative study data show that suitable bottling technique parameter (aluminium alloy often being adopted to the opposing compression amount of 1.5--3.0%) can make the anti-fatigue life of bolt connection piece and riveting parts improve 10 times and 1 ~ 4 times respectively (see works such as A Bibofu, She Gongfan etc. translate, " aircraft manufacturing process ").
Coupling mechanism force is the key technical indexes of Closely locking nut, and its size directly affects the serviceable life being connected structural member.Excessive coupling mechanism force can cause surrender and the destruction of web member, connecting portion is weighed wounded, and also can produce stress corrosion for sandwich material aluminium alloy or titanium alloy; If coupling mechanism force is too low, be not enough to again sandwich material to lock, so plus load needs to bear by screw connector itself, thus can make the hole premature breakdown of web member.In Closely locking nut manufacturing process, closing in process is the critical process controlling Closely locking nut coupling mechanism force, and close up between groove depth size and closing in crudy and there is substantial connection, if in closing in process, can measure closing in groove depth at any time, so closing in crudy just can be effectively controlled, and mass uniformity also can be guaranteed.
But, in high performance turbine Closely locking nut manufacturing process, due to the difference of nut material therefor, the shape of closing in groove also has difference, the Closely locking nut closing in groove of such as A286 material is "○" shape pit, and closing in groove diameter dimension is less, the Closely locking nut closing in groove Wei “ ▃ of aluminum alloy materials " shape pit, therefore current Closely locking nut closing in groove depth size is caused to lack corresponding special measurement instrument, the survey instrument of specialty cannot be adopted in commercial production accurately to measure Closely locking nut closing in groove depth size, but the processing effect of closing in groove is detected by the method for test, concrete grammar is: adopt closing in pressing machine, carry out extruding to Closely locking nut periphery privileged site place to close up, equally distributed closing in groove (being positioned in the plane vertical with cylinder axis) can be left at periphery after closing in terminates, by arranging the different pressures parameter value regulating closing in pressing machine, obtain several groups of Closely locking nut closing in testpieces, then coupling mechanism force test is carried out, thus select suitable closing in pressure parameter to carry out batch machining.Be not difficult to find from above process, existing closing in process is very loaded down with trivial details, and causes huge waste, adds production cost; There is instability in the pressure parameter value of closing in pressing machine, this can produce considerable influence to the coupling mechanism force closed up, lack simultaneously and measure coupling mechanism force timely and accurately, cause the closing in process of Closely locking nut to there is uncontrollable factor, make the quality conformance of Closely locking nut poor.
Summary of the invention
For the deficiencies in the prior art, the problem to be solved in the present invention is to provide a kind of pick-up unit of nut crimping groove depth size.
Technical scheme of the present invention is:
A kind of pick-up unit of nut crimping groove depth size, comprise drive unit and flat thread dish, the back side of described flat thread dish connects described drive unit, the front of described flat thread dish is provided with flat thread structure, described drive unit drives the axis that described flat thread coils described flat thread dish to rotate, the periphery of described flat thread dish is arranged with housing, the sidewall of described housing is provided with gathering sill, described gathering sill is provided with the tooth bar moved to described flat thread disk center along described gathering sill, described tooth bar is meshed with described flat thread structure, described tooth bar is fixed with surveyingpin near one end of described flat thread disk center, described surveyingpin points to the center of described flat thread dish, described drive unit comprises the first cone gear, the side of described first cone gear is engaged with counter dial gear, opposite side is engaged with the second cone gear, described second cone gear and described flat thread dish are coaxially arranged.
The corresponding coupling of number and position of the number of described gathering sill and position and described nut crimping groove.
Number, the corresponding coupling of size and position of the number of described tooth bar, size and position and described gathering sill.
The number of described gathering sill is 3, is uniformly distributed on the housing; The number of described tooth bar is 3.
The axle of described first cone gear is provided with handle.
The advantage that the present invention has and good effect are: develop the special measuring tool for measuring nut crimping groove depth size, fill up the blank of nut crimping groove depth dimensional measurement, production for closing in nut provides quantifiable data accumulation, simplify the closing in experimentation of closing in manufacturing procedure, effectively improve the production efficiency of closing in nut and the consistance of closing in quality, save production cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is the structural representation that flat thread dish of the present invention coordinates with tooth bar.
In figure:
1 handle 2 first cone gear 3 second cone gear 4 flat thread dish 5 counter dial gear 6 counter dial 7 tooth bar 8 surveyingpin 9 nut 10 that closes up closes up groove 11 housing 12 gathering sill
Embodiment
For realizing directly measuring the depth dimensions of closing in groove 10, the present invention proposes a kind of measurement mechanism, this device utilizes gear drive principle, by surveyingpin 8 simultaneously close to center or away from, thus depth survey is carried out to the closing in groove 10 of closing in nut 9.Adopt this device not only greatly can reduce experiment work amount in closing in process, and improve the controllability of closing in crudy; Can production cost be reduced simultaneously, shorten the production cycle, substantially increase the quality of production of closing in nut 9.
With reference to the accompanying drawings embodiments of the present invention are described in detail below:
As shown in Figure 1-2, the invention provides a kind of device that the depth dimensions of nut crimping groove 10 is detected, comprise drive unit and flat thread dish 4, the back side connecting drive device of flat thread dish 4, the front of flat thread dish 4 is provided with flat thread structure, drive unit drives flat thread dish 4 to rotate around the axis of flat thread dish 4, the periphery of flat thread dish 4 is arranged with housing 11, the sidewall of housing 11 is provided with gathering sill 12, gathering sill 12 is provided with the tooth bar 7 moved along gathering sill 12 to flat thread disk center, tooth bar 7 is meshed with flat thread structure, tooth bar 7 is fixed with surveyingpin 8 near the one end at flat thread dish 4 center, surveyingpin 8 points to the center of flat thread dish.
The corresponding coupling of number and position of the number of gathering sill 12 and position and nut crimping groove 10.Number and the position of the closing in groove 10 of different closing in nuts 9 are different, so can do corresponding design to gathering sill 12 according to different situations.
Number, the size of the number of tooth bar 7, size and position and gathering sill 12 and position is corresponding matches.Meet simultaneously to the requirement that the depth dimensions of multiple closing in groove 10 is measured.
In the present embodiment, the number of gathering sill 12 is 3, is evenly distributed on housing 11; The number of corresponding tooth bar 7 is also 3.
The side that drive unit comprises the first cone gear 2, first cone gear 2 is engaged with counter dial gear 5, and opposite side is engaged with the second cone gear 3, second cone gear 3 and coaxially arranges with flat thread dish 4.
The axle of the first cone gear 2 is provided with handle 1.
In the present embodiment, the axle of the first cone gear 2 connects a rotating handles 1, operator, by rotating handles 1, can make the first cone gear 2 rotate according to the sense of rotation of operator.The side of the first cone gear 2 is engaged with counter dial gear 5, opposite side engages with the second cone gear 3, the back side of the second cone gear 3 is with flat thread dish 4, the pitch of flat thread structure is equal, there are three surveyingpins 8 above flat thread dish 4, three surveyingpin 8 afterbodys are connected (surveyingpin 8 is fixed on tooth bar 7 one end near flat thread dish 4 center) respectively with three tooth bars 7, flat thread structure on flat thread dish 4 is meshed with the tooth bar 7 with surveyingpin 8, the rotation of such flat thread dish 4 just can with the central motion (have self-centering function) of carry-over bar 7 to flat thread dish 4, and then drive three surveyingpins 8 to make isometric exercise simultaneously.
Three surveyingpin 8 afterbodys are connected with three tooth bars 7 (surveyingpin 8 is fixed on tooth bar 7 one end near flat thread dish 4 center) respectively, and are positioned at in the plane of the second cone gear 3 axes normal, are mutually 120 ° of angles between three surveyingpins 8.Surveyingpin 8 is thin straight cylinder rod, because closing in groove 10 size is less, for ensureing the accuracy requirement of measuring, is needle point shape by the measurement end of surveyingpin 8.Three surveyingpins 8 convergence or away from measurement target (closing in nut 9) simultaneously can be made when flat thread dish 4 rotates.
Specific works principle is: by swing handle 1, first cone gear 2 is rotated, now both drove counter dial pinion rotation, the second cone gear 3 is driven again to rotate, and the second cone gear 3 rotation must make flat thread dish 4 and then rotate, flat thread dish 4 rotates and the tooth bar 7 with surveyingpin 8 can be made to move, thus drive surveyingpin 8 to insert or exit (if surveyingpin 8 inserts when handle 1 turns clockwise, when so handle 1 is rotated counterclockwise, surveyingpin 8 just exits) closing in groove.Like this, when surveyingpin 8 moves a distance, counter dial 1 will show a corresponding numerical value or scale value (counter dial here can adopt the graduation apparatus of pointer form, also can adopt digital indicator).
During concrete measurement closing in groove 10 degree of depth, first the cylindrical outer surface of closing in nut 9 for closing in position is measured, obtain the size value before a closing in, then carry out closing in processing, obtain closing in groove 10, regulate rotating handles 1 subsequently, surveyingpin 8 needle point is inserted in closing in groove 10, read the indicating value on count table, obtain a size value after closing up, the difference between two size values is closing in groove 10 degree of depth.
The XX model Closely locking nut that diameter dimension is 6.1 ± 0.01mm specifically to measure below, maximum closing in depth dimensions is 0.2 ± 0.01mm, concrete using method is introduced: first measure the nut diameter before closing up, the needle point of three surveyingpins 8 is touched nut periphery, the diameter value measured, is assumed to be 6.10mm.Then measure the closing in diameter after closing up, touched by the needle point of three surveyingpins 8 in closing in groove 10, measure the diameter value at closing in groove 10 place, after repetitive measurement, measured value is 6.00mm.Closing in groove depth is obtained, 6.10mm-6.00mm=0.10mm by calculating.Because 0.10mm meets the closing in requirement that maximum closing in depth dimensions is 0.2 ± 0.01mm, closing in size, within manufacturing tolerance, belongs to qualified.
The present invention is owing to taking above technical scheme, have the following advantages: mate gear transmission degree, measured precision is higher, successfully solve current closing in nut 9 to close up the difficult problem that groove 10 depth dimensions cannot accurately measure, accurate quantification closing in groove 10 depth dimensions, for the technological accumulation of further production run provides Data support, greatly simplifies the process of closing in nut 9 simultaneously, shorten the production cycle, and reduce production cost.
Above one embodiment of the present of invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (5)
1. the pick-up unit of a nut crimping groove depth size, it is characterized in that: comprise drive unit and flat thread dish, the back side of described flat thread dish connects described drive unit, the front of described flat thread dish is provided with flat thread structure, described drive unit drives the axis that described flat thread coils described flat thread dish to rotate, the periphery of described flat thread dish is arranged with housing, the sidewall of described housing is provided with gathering sill, described gathering sill is provided with the tooth bar moved to described flat thread disk center along described gathering sill, described tooth bar is meshed with described flat thread structure, described tooth bar is fixed with surveyingpin near one end of described flat thread disk center, described surveyingpin points to the center of described flat thread dish, described drive unit comprises the first cone gear, the side of described first cone gear is engaged with counter dial gear, opposite side is engaged with the second cone gear, described second cone gear and described flat thread dish are coaxially arranged.
2. the pick-up unit of nut crimping groove depth size according to claim 1, is characterized in that: the corresponding coupling of number and position of the number of described gathering sill and position and described nut crimping groove.
3. the pick-up unit of nut crimping groove depth size according to claim 2, is characterized in that: number, the corresponding coupling of size and position of the number of described tooth bar, size and position and described gathering sill.
4. the pick-up unit of nut crimping groove depth size according to claim 3, is characterized in that: the number of described gathering sill is 3, is uniformly distributed on the housing; The number of described tooth bar is 3.
5. the pick-up unit of the nut crimping groove depth size according to any one of claim 1-4, is characterized in that: the axle of described first cone gear is provided with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310064211.7A CN103175461B (en) | 2013-02-28 | 2013-02-28 | Detecting device for depth dimensions of closing grooves of nuts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310064211.7A CN103175461B (en) | 2013-02-28 | 2013-02-28 | Detecting device for depth dimensions of closing grooves of nuts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103175461A CN103175461A (en) | 2013-06-26 |
| CN103175461B true CN103175461B (en) | 2015-07-08 |
Family
ID=48635495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310064211.7A Active CN103175461B (en) | 2013-02-28 | 2013-02-28 | Detecting device for depth dimensions of closing grooves of nuts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103175461B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743371A (en) * | 2013-11-21 | 2014-04-23 | 江苏太平洋液压机械制造有限公司 | Detection apparatus capable of on-line automatic detection of nut closing-up groove depth dimensions |
| CN109807587B (en) * | 2019-03-14 | 2024-04-02 | 宁波长华长盛汽车零部件有限公司 | High-precision multi-station nut riveting machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2854917B2 (en) * | 1989-08-02 | 1999-02-10 | パック―ファスナーズ | Laminated nut and its manufacturing method |
| JP2004108424A (en) * | 2002-09-17 | 2004-04-08 | Ricoh Co Ltd | Plate nut and die construction |
| CN201795741U (en) * | 2010-10-09 | 2011-04-13 | 青岛开世密封工业有限公司 | Needle-type dial indicator for measurement |
| CN102179457A (en) * | 2010-12-15 | 2011-09-14 | 贵州大学 | Nut crimping clamp device |
| CN203100657U (en) * | 2013-02-28 | 2013-07-31 | 航天精工有限公司 | Detection device for depth dimensions of nut closing-up grooves |
-
2013
- 2013-02-28 CN CN201310064211.7A patent/CN103175461B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2854917B2 (en) * | 1989-08-02 | 1999-02-10 | パック―ファスナーズ | Laminated nut and its manufacturing method |
| JP2004108424A (en) * | 2002-09-17 | 2004-04-08 | Ricoh Co Ltd | Plate nut and die construction |
| CN201795741U (en) * | 2010-10-09 | 2011-04-13 | 青岛开世密封工业有限公司 | Needle-type dial indicator for measurement |
| CN102179457A (en) * | 2010-12-15 | 2011-09-14 | 贵州大学 | Nut crimping clamp device |
| CN203100657U (en) * | 2013-02-28 | 2013-07-31 | 航天精工有限公司 | Detection device for depth dimensions of nut closing-up grooves |
Non-Patent Citations (1)
| Title |
|---|
| 尹光明等.用三爪卡盘安装工件.《轮机实操与评估——金工工艺》.武汉理工大学出版社,2011, * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103175461A (en) | 2013-06-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203100657U (en) | Detection device for depth dimensions of nut closing-up grooves | |
| CN101520296B (en) | Three-coordinate measuring method for circumferential uniformly-distributed hole true position error | |
| CN205079718U (en) | Drum class part outline geometric tolerances measuring instrument | |
| CN105043190A (en) | Five-axis linkage machine tool RTCP dynamic precision calibrating apparatus and calibrating method thereof | |
| CN107515117A (en) | Lead screw pair transmission efficiency precision measurement apparatus and measuring method | |
| CN203586992U (en) | Detector for rapidly measuring gear cone hole | |
| CN103175461B (en) | Detecting device for depth dimensions of closing grooves of nuts | |
| CN203069320U (en) | Auxiliary tool for force sensor calibration | |
| CN102003931A (en) | Comprehensive detection method and device of tool tapered handle (7:24) | |
| CN109030242B (en) | Electromagnetic power rock direct shear apparatus and operation method | |
| CN103900439A (en) | Device for detecting radial runout of tip of main shaft of tailstock of lathe and axial endplay of main shaft | |
| CN106017273A (en) | Large shielding motor flywheel cone precision measuring method | |
| CN201795755U (en) | Internal diameter measuring instrument | |
| CN203298679U (en) | Gauge for measuring the axial length of central hole | |
| CN203148355U (en) | Special measurement instrument for shaft hole of key slot of movable sleeve of bulldozer | |
| CN207248520U (en) | Lead screw pair transmission efficiency precision measurement apparatus | |
| CN104279933A (en) | Special detecting tool for tooth thickness of bevel gear | |
| CN201285266Y (en) | Position degree detection apparatus | |
| CN103471482B (en) | Countersunk fastener P value measures slide calliper rule | |
| CN206321193U (en) | A kind of special gauge for IC engine airframe cylinder holes coaxality measurement | |
| CN210070824U (en) | Measuring device for profile milling cutter | |
| CN210790672U (en) | Device for centering and fine adjusting pump | |
| CN104154837B (en) | A kind of quadrupole rod assembly mounting device based on standard mandrel | |
| CN203893885U (en) | Device for synchronous measurement of force and displacement | |
| CN203148362U (en) | Vernier caliper measuring hole-groove symmetry degree |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 300300 Tianjin Huaming Industrial Park in Dongli Binhai District headquarters B06 Applicant after: Aerospace Precision Products Co., Ltd. Address before: 300300 Tianjin Huaming Industrial Park in Dongli Binhai District headquarters B06 Applicant before: Aerospace Fine Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: AEROSPACE PRECISION INDUSTRY CO., LTD. TO: AEROSPACE PRECISION PRODUCTS CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |