CN203100657U - Detection device for depth dimensions of nut closing-up grooves - Google Patents

Detection device for depth dimensions of nut closing-up grooves Download PDF

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Publication number
CN203100657U
CN203100657U CN 201320090918 CN201320090918U CN203100657U CN 203100657 U CN203100657 U CN 203100657U CN 201320090918 CN201320090918 CN 201320090918 CN 201320090918 U CN201320090918 U CN 201320090918U CN 203100657 U CN203100657 U CN 203100657U
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CN
China
Prior art keywords
closing
flat thread
nut
gathering sill
plane threaded
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.)
Withdrawn - After Issue
Application number
CN 201320090918
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Chinese (zh)
Inventor
于建政
宁广西
林忠亮
焦莎
刘本领
杨知硕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AEROSPACE FINE Co Ltd
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AEROSPACE FINE Co Ltd
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Publication date
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Priority to CN 201320090918 priority Critical patent/CN203100657U/en
Application granted granted Critical
Publication of CN203100657U publication Critical patent/CN203100657U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a detection device for the depth dimensions of nut closing-up grooves, and the detection device comprises a drive device and a plane threaded disc. The back of the plane threaded disc is connected with the drive device; a plane threaded structure is arranged at the front of the plane threaded disc; the drive device drives the plane threaded disc to rotate around the axis of the plane threaded disc; a shell body is arranged at the outer side of the periphery of the plane threaded disc in a surrounding way; a guide groove is arranged on the side wall of the shell body; a rack which moves towards the center of the plane threaded disc along the guide groove is arranged on the guide groove; the rack is meshed with the plane threaded structure; one end of the rack, which is close to the center of the plane threaded disc, is provided with a measurement pin; and the measurement pin is directed to the center of the plane threaded disc. The detection device disclosed by the utility model fills in the gap of the measurement of the depth dimensions of nut closing-up grooves, provides quantizable data accumulation for the production of closing-up nuts, simplifies the closing-up test process of closing-up manufacturing procedures, effectively improves the consistency of the production efficiency and the closing-up quality of closing-up nuts and saves the production cost.

Description

The pick-up unit of nut closing in groove depth size
Technical field
The utility model belongs to securing member processing checkout equipment field, relates in particular to the pick-up unit of Aero-Space with nut closing in groove depth size.
Background technology
Used securing member in the aircaft configuration in a large number, existence as fastener holes such as bolt, riveting parts has caused that stress is concentrated, reduced the anti-fatigue performance of structure, therefore, improve the anti-fatigue performance of securing member by special manufacturing process, assembly technology, caused aircraft engineers' extensive concern.The technology that closes up in the Closely locking nut surface is exactly a kind of processing technology of effective raising securing member anti-fatigue performance.By the Closely locking nut damaged surface is closed up, make the diameter dimension of Closely locking nut closing in place diminish, when Closely locking nut and corresponding bolts assembling, produce the stress extruding between the bolts and nuts, the correlative study data show that suitable bottling technique parameter (aluminium alloy often being adopted the relative amount of compression 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 and (see works such as A Bibofu, She Gongfan etc. translate, " aircraft manufacturing technology ").
Coupling mechanism force is the key technical indexes of Closely locking nut, and its size directly influences the serviceable life that is connected structural member.Excessive coupling mechanism force can cause the surrender and the destruction of web member, makes that connecting portion is weighed wounded, and also can produce stress corrosion for sandwich material aluminium alloy or titanium alloy; If coupling mechanism force is low excessively, be not enough to again sandwich material locking, plus load need lean on screw connector itself to bear so, thereby can make the hole premature damage of web member.In Closely locking nut manufacturing process, the closing in process is the critical process of control Closely locking nut coupling mechanism force, and there is substantial connection between closing in groove depth size and the closing in crudy, if in the closing in process, can measure the closing in groove depth at any time, the crudy that closes up so just can be effectively controlled, and the quality homogeneity also can be guaranteed.
Yet, in high-performance aviation Closely locking nut manufacturing process, because the difference of nut material therefor, the shape of closing in groove also has difference, Closely locking nut closing in groove such as the A286 material is " zero " shape pit, and closing in groove diameter dimension is less, and the Closely locking nut closing in groove of aluminum alloy materials is The shape pit, therefore cause present Closely locking nut closing in groove depth size to lack corresponding special measurement instrument, can't adopt the survey instrument of specialty that Closely locking nut closing in groove depth size is accurately measured in the commercial production, but detect the processing effect of closing in groove by the method for test, concrete grammar is: adopt the closing in pressing machine, closing in is pushed at the place to Closely locking nut periphery privileged site, after finishing, closing in can stay equally distributed closing in groove (being positioned on the plane vertical) at periphery with cylinder axis, by the different pressures parameter value of regulating the closing in pressing machine is set, obtain several groups of Closely locking nut closing in testpieces, carry out the coupling mechanism force test then, thereby select suitable closing in pressure parameter to carry out batch machining.Be not difficult from above process to find that existing closing in process is very loaded down with trivial details, and causes huge waste, has increased 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 that closes up, lack simultaneously and measure coupling mechanism force timely and accurately, cause the closing in process of Closely locking nut to have uncontrollable factor, make that the quality conformance of Closely locking nut is poor.
Summary of the invention
At the deficiencies in the prior art, problem to be solved in the utility model provides a kind of pick-up unit of nut closing in groove depth size.
The technical solution of the utility model is:
A kind of pick-up unit of nut closing in 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 the flat thread structure, described drive unit drives the axis rotation that described flat thread coils described flat thread dish, 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 that moves to described flat thread disk center along described gathering sill, described tooth bar is meshed with described flat thread structure, one end of the close described flat thread of described tooth bar disk center is fixed with surveyingpin, and described surveyingpin points to the center of described flat thread dish.
The corresponding coupling of number and position of the number of described gathering sill and position and described nut closing in groove.
The corresponding coupling in number, 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 evenly distributed on the described housing; The number of described tooth bar is 3.
Described drive unit comprises first cone gear, and a side of described first cone gear is engaged with the counter dial gear, and opposite side is engaged with second cone gear, described second cone gear and the coaxial setting of described flat thread dish.
The axle of described first cone gear is provided with handle.
Advantage and the good effect that the utlity model has are: develop the special measuring tool that is used to measure nut closing in groove depth size, filled up the blank of nut closing in groove depth dimensional measurement, for the production of closing in nut provides quantifiable data accumulation, simplified 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, saved production cost.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the structural representation that the utility model flat thread dish cooperates with tooth bar.
Among the figure:
1 handle, 2 first cone gears, 3 second cone gears, 4 flat thread dishes, 5 counter dial gears, 6 counter dials, 7 tooth bars, 8 surveyingpins, 9 closing in nuts, 10 closing in grooves, 11 housings, 12 gathering sills
Embodiment
For realizing directly the depth dimensions of closing in groove 10 being measured, the utility model proposes a kind of measurement mechanism, this device is to utilize the gear drive principle, with surveyingpin 8 simultaneously to the center near or away from, thereby the closing in groove 10 of closing in nut 9 is carried out depth survey.Adopt this to install the experiment work amount that not only can greatly reduce in the closing in process, and improved the controllability of closing in crudy; Can reduce production costs simultaneously, shorten the production cycle, improve the quality of production of closing in nut 9 greatly.
With reference to the accompanying drawings embodiment of the present utility model is described in detail below:
Shown in Fig. 1-2, the utility model provides a kind of device that the depth dimensions of nut closing in groove 10 is detected, comprise drive unit and flat thread dish 4, the back side of flat thread dish 4 connects drive unit, the front of flat thread dish 4 is provided with the flat thread structure, drive unit drives the axis rotation of flat thread dish 4 around 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 that moves to flat thread disk center along gathering sill 12, tooth bar 7 is meshed with the flat thread structure, tooth bar 7 is fixed with surveyingpin 8 near an end at flat thread dish 4 centers, and 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 closing in groove 10.The 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.
The number of tooth bar 7, size and position are complementary with number, size and the position of gathering sill 12 are corresponding.The depth dimensions that satisfies simultaneously a plurality of closing in grooves 10 carries out Testing requirement.
In the present embodiment, the number of gathering sill 12 is 3, is evenly distributed on the housing 11; The number of corresponding tooth bar 7 also is 3.
Drive unit comprises that a side of first cone gear, 2, the first cone gears 2 is engaged with counter dial gear 5, and opposite side is engaged with second cone gear, 3, the second cone gears 3 and the 4 coaxial settings of flat thread dish.
The axle of first cone gear 2 is provided with handle 1.
In the present embodiment, the axle of first cone gear 2 is gone up and is connected a rotating handles 1, and the operator can make first cone gear 2 be rotated according to operator's sense of rotation by rotating handles 1.One side of first cone gear 2 and 5 engagements of counter dial gear, opposite side and 3 engagements of second cone gear, the back side of second cone gear 3 has flat thread dish 4, the pitch of flat thread structure equates, above flat thread dish 4, there are three surveyingpins 8, three surveyingpin 8 afterbodys link to each other with three tooth bars 7 respectively (surveyingpin 8 is fixed on the end of tooth bar 7 near flat thread dish 4 centers), flat thread structure on the flat thread dish 4 is meshed with the tooth bar 7 that has surveyingpin 8, the rotation of flat thread dish 4 just can drive the central motion (have self-centering function) of tooth bar 7 to flat thread dish 4 like this, and then drives three surveyingpins 8 and make isometric exercise simultaneously.
Three surveyingpin 8 afterbodys link to each other with three tooth bars 7 respectively (surveyingpin 8 is fixed on the end of tooth bar 7 near flat thread dish 4 centers), and are positioned on the plane with second cone gear, 3 axis normal, are mutually 120 ° of angles between three surveyingpins 8.Surveyingpin 8 is thin straight cylinder rod, because closing in groove 10 sizes are less, is to guarantee the accuracy requirement of measuring, and is needle point shape with the measurement end of surveyingpin 8.Can make three surveyingpins 8 convergence or away from measurement target (closing in nut 9) simultaneously during flat thread dish 4 rotation.
Concrete principle of work is: make 2 rotations of first cone gear by swing handle 1, both driven the counter dial gear and rotated this moment, drive 3 rotations of second cone gear again, and 3 rotations of second cone gear must make and then rotation of flat thread dish 4,4 rotations of flat thread dish can make the tooth bar 7 that has surveyingpin 8 move again, thereby drive surveyingpin 8 and insert or withdraw from (if surveyingpin 8 inserts when handle 1 turns clockwise, surveyingpin 8 just withdrawed from when handle 1 was rotated counterclockwise so) closing in groove.Like this, when surveyingpin 8 moves a distance, will show corresponding numerical value or scale value (the counter dial here can adopt the graduation apparatus of pointer form, also can adopt digital indicator) on the counter dial 1.
When specifically measuring closing in groove 10 degree of depth, at first measure the cylindrical outer surface at closing in nut 9 desire closing in positions, obtain the preceding size value of a closing in, the processing of closing up then, the groove 10 that obtains closing up is regulated rotating handles 1 subsequently, surveyingpin 8 needle points are inserted in the closing in groove 10, read the indicating value on the count table, the difference between the size value after closing up, two size values is closing in groove 10 degree of depth.
Be that the XX model Closely locking nut that 6.1 ± 0.01mm, maximum closing in depth dimensions are 0.2 ± 0.01mm is an example with concrete measurement diameter dimension below, concrete using method is introduced: at first measure the nut diameter before closing up, the needle point of three surveyingpins 8 is touched the nut periphery, the diameter value of measuring is assumed to be 6.10mm.Closing in diameter after measure closing up then touches the needle point of three surveyingpins 8 in the closing in groove 10, measures the diameter value at closing in groove 10 places, and after repeatedly measuring, measured value is 6.00mm.Obtain closing in groove depth, 6.10mm-6.00mm=0.10mm by calculating.Because the closing in requirement that it is 0.2 ± 0.01mm that 0.10mm meets maximum closing in depth dimensions, the closing in size belongs to qualified within manufacturing tolerance.
The utility model is owing to take above technical scheme, have the following advantages: mate gear transmission degree, measured precision is higher, successfully solved the difficult problem that present closing in nut 9 closing in grooves 10 depth dimensionses can't accurately be measured, accurately quantized closing in groove 10 depth dimensionses,, greatly simplified the process of closing in nut 9 simultaneously for the further technological accumulation of production run provides the data support, shorten the production cycle, and reduced production cost.
More than an embodiment of the present utility model is had been described in detail, but described content only is preferred embodiment of the present utility model, can not be considered to be used to limit practical range of the present utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the present utility model.

Claims (6)

1. the pick-up unit of a nut closing in 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 the flat thread structure, described drive unit drives the axis rotation that described flat thread coils described flat thread dish, 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 that moves to described flat thread disk center along described gathering sill, described tooth bar is meshed with described flat thread structure, one end of the close described flat thread of described tooth bar disk center is fixed with surveyingpin, and described surveyingpin points to the center of described flat thread dish.
2. the pick-up unit of nut closing in 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 closing in groove.
3. the pick-up unit of nut closing in groove depth size according to claim 2 is characterized in that: the corresponding coupling in number, size and position of the number of described tooth bar, size and position and described gathering sill.
4. the pick-up unit of nut closing in groove depth size according to claim 3, it is characterized in that: the number of described gathering sill is 3, is evenly distributed on the described housing; The number of described tooth bar is 3.
5. according to the pick-up unit of each described nut closing in groove depth size of claim 1-4, it is characterized in that: described drive unit comprises first cone gear, one side of described first cone gear is engaged with the counter dial gear, opposite side is engaged with second cone gear, described second cone gear and the coaxial setting of described flat thread dish.
6. the pick-up unit of nut closing in groove depth size according to claim 5 is characterized in that: the axle of described first cone gear is provided with handle.
CN 201320090918 2013-02-28 2013-02-28 Detection device for depth dimensions of nut closing-up grooves Withdrawn - After Issue CN203100657U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320090918 CN203100657U (en) 2013-02-28 2013-02-28 Detection device for depth dimensions of nut closing-up grooves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320090918 CN203100657U (en) 2013-02-28 2013-02-28 Detection device for depth dimensions of nut closing-up grooves

Publications (1)

Publication Number Publication Date
CN203100657U true CN203100657U (en) 2013-07-31

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103175461A (en) * 2013-02-28 2013-06-26 航天精工有限公司 Detecting device for depth dimensions of closing grooves of nuts
CN103743372A (en) * 2013-11-21 2014-04-23 江苏太平洋液压机械制造有限公司 Novel detection apparatus capable of on-line automatic detection of nut closing-up groove depth dimensions
CN103743321A (en) * 2013-11-21 2014-04-23 江苏太平洋液压机械制造有限公司 Improved nut closing-up groove depth dimension detection apparatus
CN105222677A (en) * 2015-11-06 2016-01-06 吴江市莘塔前进五金厂 A kind of nut crimping groove depth dimension detection tool
CN105890565A (en) * 2016-07-01 2016-08-24 成都市龙泉通惠实业有限责任公司 Device for detecting groove depth of piston body

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103175461A (en) * 2013-02-28 2013-06-26 航天精工有限公司 Detecting device for depth dimensions of closing grooves of nuts
CN103175461B (en) * 2013-02-28 2015-07-08 航天精工股份有限公司 Detecting device for depth dimensions of closing grooves of nuts
CN103743372A (en) * 2013-11-21 2014-04-23 江苏太平洋液压机械制造有限公司 Novel detection apparatus capable of on-line automatic detection of nut closing-up groove depth dimensions
CN103743321A (en) * 2013-11-21 2014-04-23 江苏太平洋液压机械制造有限公司 Improved nut closing-up groove depth dimension detection apparatus
CN105222677A (en) * 2015-11-06 2016-01-06 吴江市莘塔前进五金厂 A kind of nut crimping groove depth dimension detection tool
CN105890565A (en) * 2016-07-01 2016-08-24 成都市龙泉通惠实业有限责任公司 Device for detecting groove depth of piston body

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RGAV Abandon patent right to avoid regrant
AV01 Patent right actively abandoned

Granted publication date: 20130731

Effective date of abandoning: 20150708