CN204439055U - A kind of hand-held counter sink depth measurement device - Google Patents
A kind of hand-held counter sink depth measurement device Download PDFInfo
- Publication number
- CN204439055U CN204439055U CN201420788213.0U CN201420788213U CN204439055U CN 204439055 U CN204439055 U CN 204439055U CN 201420788213 U CN201420788213 U CN 201420788213U CN 204439055 U CN204439055 U CN 204439055U
- Authority
- CN
- China
- Prior art keywords
- measurement
- shell
- measurement mechanism
- counter sink
- module
- 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 utility model belongs to field of measuring technique, relate to a kind of for measure counter sink relative/absolute depth, to detect the hand-held counter sink depth measurement device of the counter sink degree of depth whether in the error range allowed.Hand-held counter sink depth measurement device comprises: measurement mechanism shell, measurement mechanism lower cover, leg, sleeve, measurement column, large gland I, little gland, guidepost, measuring unit, displacement transducer, measurement module shell, measurement module bonnet, measurement mechanism upper cover, display module, power switch, battery, handle end cap, large gland II, collection plate.The degree of depth of counter sink assessed by this measurement mechanism compared with the change of standard counter sink and tested counter sink by the displacement of its internal measurement post, displacement transducer is equipped with on its top, can the change in displacement of measurement column be converted to simulating signal, through data acquisition system (DAS) process, thus draw accurate measurement result.
Description
Technical field
The utility model belongs to field of measuring technique, relate to a kind of for measure counter sink relative/absolute depth, to detect the hand-held counter sink depth measurement device of the counter sink degree of depth whether in the error range allowed.
Technical background
The fixing main of aircraft skin leans on the riveted joint with aircraft ring frames, and riveting quality is very large to the quality influence of transporation by plane, and this just requires that the counter sink of riveting in the error range of regulation, must will change process tool when exceeding error range in time.Through hole error better controls, and mainly the error of counter sink is not easily measured, and the leading indicator of counter sink is exactly the counter sink degree of depth.
At present, generally adopt the method for manual alignment in process of production, namely make a standard component (its profile is consistent with counter sink shape), standard component is put in tested counter sink, the goodness of fit of range estimation counter sink and standard component.The method can only judge the degree of depth of counter sink qualitatively, assessment counter sink depth error that can not be quantitative, and too much depends on the experience of tester, cannot accomplish the depth error assessing counter sink quickly and accurately.
Also have the method adopting and sounding rod parts fill dial gauge, be first placed on master gauge by this device before measurement, returned to zero by dial gauge, then go to measure the counter sink degree of depth that will survey, whether reading is seen in the scope of error requirements.The method can obtain relatively accurate result, but the requirement on machining accuracy of this device is very high, and will lean on artificial reading, and be affected by human factors comparatively large, waste time and energy, work efficiency is lower.
Summary of the invention
The purpose of this utility model is to provide a kind of hand-held counter sink depth measurement device accurately can measuring the counter sink degree of depth.
The technical solution of the utility model is: measurement mechanism comprises: leg 3, sleeve 4, measurement column 5, large gland I 6, little gland 7, guidepost 8, measuring unit 9, displacement transducer 10, measurement module shell 11, measurement mechanism upper cover 14, display module 15, large gland II 20, collection plate 21, measurement column 5 is contained in one end of measuring unit 9, measuring unit 9 has through hole, guidepost 8 inserts in the through hole of measuring unit 9, the extension of guidepost 8 puts in the oval hole slot of measurement column 5 outer wall, sleeve 4 is socketed on measurement column 5, sleeve 4 is contained in the end face of measuring unit 9 by little gland 7 screw thread, measurement module shell 11 is for there being the cavity structure in two holes, displacement transducer 10 is placed in two cavitys of measurement module shell 11, measuring unit 9 is contained in one of them cavity of measurement module shell 11, it is consistent with the expansion link diameter of displacement transducer 10 that measurement column 5 is placed in the top perforate in measuring unit 9, the end shape that measurement column 5 is placed in measuring unit 9 exterior section is corresponding with tested counter sink, displacement transducer 10 expansion link inserts to be measured in 5 topped hole, little gland 7 is connected in a cavity of measurement module shell 11 one end by screw thread by large gland I 6, large gland II 20 is by being threaded onto in another cavity of measurement module shell 11 same side, measurement module bonnet 13 is fixed on measurement module shell 11 other end, form a complete measurement module, whole measurement module is placed in measurement mechanism shell and fixes, sleeve 4 and one end of measurement column 5 are stretched out shell and are fixed with leg 3, the end face of leg 3 and the end contact of shell, collection plate 21 is placed in measurement mechanism shell, and display module 15 is fixed on measurement mechanism upper cover 14, and the signal shielding line of displacement transducer 10 is connected with collection plate 21.
Described measurement mechanism shell is made up of left and right two and half shells, measurement module is arranged on left half shell of measurement mechanism, contiguous block 23 is placed on measurement module, screw 12 is screwed in the threaded hole of left half shell 1 of measurement mechanism in contiguous block 23 hole, collection plate 21 is stuck in the draw-in groove of left half shell 1 of measurement mechanism, cover right half shell 22 of measurement mechanism, with screw, right for measurement mechanism half shell 22 is fixed with contiguous block 23.
Described measurement mechanism shell is divided into fuselage and handle two parts, measurement module, collection plate 21, display module 15 are installed in fuselage sections, battery 17 and handle end cap 18 fixedly reinstall in measurement mechanism handle, display module 15 and power switch 16 are fixed on measurement mechanism upper cover 14, measurement mechanism upper cover 14 and measurement mechanism lower cover 2 are separately fixed on left half shell 1 of measurement mechanism and right half shell 22 of measurement mechanism.
Left half shell 1 of described measurement mechanism and right half shell 22 of measurement mechanism also can be made of one, and even left half shell 1 of measurement mechanism, right half shell 22 of measurement mechanism and measurement mechanism lower cover 2 also can be an entirety.
The advantage that the utility model has and beneficial effect: measurement column cylinder has oval hole slot, this groove width coordinates with guidepost diametric clearance, the part that guidepost stretches out measuring unit outer wall just in time puts in the oval hole slot of measurement column, when measurement column slidably reciprocates in measuring unit, guidepost ensure that measurement column slides in its axial direction, can not rotate, thus reduce structure to the impact of measuring error; Measurement column head can carry out counter sink that is varying sized thus adaptation different size scope according to the information in the hole of required survey; Measurement mechanism arranges the measurement that can realize counter sink degree of depth absolute value or relative value by button; Evaluated the threshold value of upper and lower bound by setting, live sound alarm can be provided to the overproof state of counter sink; Measure integrated with data processing, small volume and less weight, is easy to carry; The utility model in use measures the counter sink degree of depth only needed for 2 ~ 3 seconds, and comparing the needs traditional measurement mode of 2 ~ 3 minutes can enhance productivity greatly.Through test of many times, this device duplicate measurements precision can reach ± 0.003mm.The utility model feature functionally: absolute value and relative value that the counter sink degree of depth can be measured, and counter sink quality is carried out to the assessment of quantitative and qualitative analysis.
The structural feature of the utility model: 1. measurement mechanism right alignment is higher, displacement transducer and measurement column, measurement column and measuring unit, sleeve and measuring unit and between leg and sleeve, have strict matching relationship, add the strict guide effect of guidepost and ensure that whole sensor die has higher right alignment, the high precision for measurement mechanism has made critical place mat.2. measurement mechanism front end leg finds reference field accurately automatically, during measurement, three pin of leg lower end directly contact Board Under Test surface, determine a plan view according to 3, even if slightly poor by master plate upper surface quality, or even have curved surface compared with small curvature radius, do not affect measurement result; 3. modular design, is easy to install, easy-to-use.As shown in Figure 4, measurement module externally only has three interfaces: electric interfaces 26: a three-core shielding line (comprising power lead, logical zero V line and signal wire) of sensor; Mounting interface 27: install fixing by two holes and shell; Measurement interface 28: measurement column directly contacts tested countersunk head hole wall.Measurement module can be assembled separately as functional part of the present utility model, and integral installation is simple to operate, greatly reduces rigging error, is also convenient to safeguard and use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is section of structure of the present utility model.
Fig. 3 is partial enlarged drawing of the present utility model
Fig. 4 is the utility model measurement module appearance schematic diagram
Embodiment:
Below by accompanying drawing, the utility model is described in further detail.
See Fig. 1, Fig. 2, Fig. 3, the utility model counter sink depth measurement device comprises: left half shell 1 of measurement mechanism, measurement mechanism lower cover 2, leg 3, sleeve 4, measurement column 5, large gland I 6, little gland 7, guidepost 8, measuring unit 9, displacement transducer 10, measurement module shell 11, screw 12, measurement module bonnet 13, measurement mechanism upper cover 14, display module 15, power switch 16, battery 17, handle end cap 18, hand is decoration 19, large gland II 20, collection plate 21, right half shell 22 of measurement mechanism, contiguous block 23, right side ornamental strip 24, left side ornamental strip 25.Measurement column 5 can slidably reciprocate in measuring unit 9, and led by guidepost 8 and do not rotate, come spacing by the upper end of measuring unit 9 inner convex platform and sleeve 4 respectively when measurement column 5 slides, internal thread is had in little gland 7, there is external thread measuring unit 9 lower end, sleeve 4 and measuring unit 9 compress by the little gland 7 that is threaded by both, large gland I 6 and large gland II 20 to be all connected and fixed with measurement module shell 11 by being threaded, measurement column 5 top has Ф 3 hole, the expansion link of displacement transducer 10 lower end is inserted in measurement column 5, with screw, measurement mechanism upper cover 14 is fixed on measurement module shell 11 upper end, thus displacement transducer 10 is fixed.Whole measurement module contiguous block 23 and screw 12 are fixed on left half shell 1 of measurement mechanism, load onto collection plate 21, cover right half shell 22 of measurement mechanism, with screw, right for measurement mechanism half shell 22 is fixed with contiguous block 23, battery 17 and handle end cap 18 are fixedly reinstalled in measurement mechanism, display module 15 and power switch 16 are fixed on measurement mechanism upper cover 14, measurement mechanism upper cover 14 and measurement mechanism lower cover 2 are separately fixed on left half shell 1 of measurement mechanism and right half shell 22 of measurement mechanism, load onto leg 3.First demarcate with standard counter sink before each measurement, measure again, measurement column 5 when measurement standard counter sink and tested counter sink time the relative displacement that produces represent the change in depth of counter sink, this change passes to displacement transducer 10, simulating signal is changed into by displacement transducer 10, through data acquisition system (DAS) process, result is presented on display module 15, namely draws the error of measured hole.
In this device, the expansion link of displacement transducer 10 is in pressured state all the time, the acting force that such displacement sensor 10 gives measurement column 5 one downward, makes the lower end of measurement column 5 be close to standard counter sink or tested counter sink, substantially reduces measuring error.When using this measurement mechanism hand-held, first this device is placed in standard counter sink, downward compression, now leg 3 is close to the upper surface of standard countersunk head orifice plate, pressure from displacement transducer 10 (expansion link shaft shoulder place) makes measurement column 5 be close to counter sink on standard countersunk head orifice plate, now sensor exports a simulating signal, with this signal for standard, measure measured hole again, through data acquisition system (DAS) process, result is presented at display module, if then do not illustrate in error range process tool serious wear should change cutter in time.
Claims (3)
1. a hand-held counter sink depth measurement device, it is characterized in that, measurement mechanism comprises: leg (3), sleeve (4), measurement column (5), large gland I (6), little gland (7), guidepost (8), measuring unit (9), displacement transducer (10), measurement module shell (11), measurement mechanism upper cover (14), display module (15), large gland II (20), collection plate (21), measurement column (5) is contained in one end of measuring unit (9), (9) have through hole to measuring unit, guidepost (8) inserts in the through hole of measuring unit (9), the extension of guidepost (8) puts in the oval hole slot of measurement column (5) outer wall, sleeve (4) is socketed on measurement column (5), sleeve (4) is contained in the end face of measuring unit (9) by little gland (7) screw thread, measurement module shell (11) is for there being the cavity structure in two holes, displacement transducer (10) is placed in two cavitys of measurement module shell (11), measuring unit (9) is contained in measurement module shell (11) one of them cavity, the top perforate that measurement column (5) is placed in measuring unit (9) is consistent with the expansion link diameter of displacement transducer (10), the end shape that measurement column (5) is placed in measuring unit (9) exterior section is corresponding with tested counter sink, the expansion link of displacement transducer (10) inserts in measurement column (5) topped hole, little gland (7) is connected in a cavity of measurement module shell (11) one end by screw thread by large gland I (6), large gland II (20) is by being threaded onto in another cavity of measurement module shell (11) same side, measurement module bonnet (13) is fixed on measurement module shell (11) other end, form a complete measurement module, whole measurement module is placed in measurement mechanism shell and fixes, sleeve (4) and one end of measurement column (5) are stretched out shell and are fixed with leg (3), the end face of leg (3) and the end contact of shell, collection plate (21) is placed in measurement mechanism shell, display module (15) is fixed on measurement mechanism upper cover (14), the signal shielding line of displacement transducer (10) is connected with collection plate (21), collection plate 21) with display module 15) between be connected by winding displacement.
2. a kind of hand-held counter sink depth measurement device according to claim 1, it is characterized in that, described measurement mechanism shell is by a left side, right two and half shell compositions, measurement module is arranged on left half shell of measurement mechanism, contiguous block (23) is placed on measurement module, screw (12) is screwed in the threaded hole of left half shell (1) of measurement mechanism in contiguous block (23) hole, collection plate (21) is stuck in the draw-in groove of left half shell (1) of measurement mechanism, cover right half shell (22) of measurement mechanism, with screw, right for measurement mechanism half shell (22) is fixed with contiguous block (23).
3. a kind of hand-held counter sink depth measurement device according to claim 1, it is characterized in that, measurement mechanism shell is divided into fuselage and handle two parts, measurement module, collection plate (21), display module (15) is installed in fuselage sections, (18 fixedly reinstall in measurement mechanism handle battery (17) with handle end cap, by display module, (15 (16 are fixed on measurement mechanism upper cover (14) with power switch, measurement mechanism upper cover (14) and measurement mechanism lower cover (2) are separately fixed on left half shell (1) of measurement mechanism and right half shell (22) of measurement mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420788213.0U CN204439055U (en) | 2014-12-12 | 2014-12-12 | A kind of hand-held counter sink depth measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420788213.0U CN204439055U (en) | 2014-12-12 | 2014-12-12 | A kind of hand-held counter sink depth measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204439055U true CN204439055U (en) | 2015-07-01 |
Family
ID=53606908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420788213.0U Active CN204439055U (en) | 2014-12-12 | 2014-12-12 | A kind of hand-held counter sink depth measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204439055U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562203A (en) * | 2018-05-28 | 2018-09-21 | 中国航发湖南动力机械研究所 | The survey tool and its method of counter sink |
| CN108931176A (en) * | 2018-07-27 | 2018-12-04 | 潘锐 | A kind of high accuracy depth detection device |
| CN113624187A (en) * | 2021-08-19 | 2021-11-09 | 北京卫星环境工程研究所 | Satellite storage box connecting sleeve hole depth measuring device |
| CN114777723A (en) * | 2022-04-18 | 2022-07-22 | 中航西安飞机工业集团股份有限公司 | Hand-held airplane rivet plane flatness detection device and detection method |
-
2014
- 2014-12-12 CN CN201420788213.0U patent/CN204439055U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562203A (en) * | 2018-05-28 | 2018-09-21 | 中国航发湖南动力机械研究所 | The survey tool and its method of counter sink |
| CN108931176A (en) * | 2018-07-27 | 2018-12-04 | 潘锐 | A kind of high accuracy depth detection device |
| CN113624187A (en) * | 2021-08-19 | 2021-11-09 | 北京卫星环境工程研究所 | Satellite storage box connecting sleeve hole depth measuring device |
| CN114777723A (en) * | 2022-04-18 | 2022-07-22 | 中航西安飞机工业集团股份有限公司 | Hand-held airplane rivet plane flatness detection device and detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104515494A (en) | Digital dimple depth gauge | |
| CN204439055U (en) | A kind of hand-held counter sink depth measurement device | |
| CN203811094U (en) | An engine air cylinder cap seat ring conical surface depth detection apparatus | |
| CN203310388U (en) | Automatic detecting and sorting instrument for wheel hub runout | |
| CN202648597U (en) | Coupling sleeve step surface to stepped hole surface depth measuring gauge | |
| CN103438785B (en) | Diesel-engine body semicircle thrust surface radius appliance special for detecting | |
| CN212300226U (en) | Simple inner hole taper detection device | |
| CN203274642U (en) | Plug gauge assembly measuring diameter of inner annular groove of small hole | |
| CN208952890U (en) | Calipers inside and outside bamboo | |
| CN211717303U (en) | Automatic change detection screw mechanism | |
| CN103234424B (en) | Valve seating external diameter measurer | |
| CN204831759U (en) | Online check gauge of light miniature hydraulic drive relief valve | |
| CN204421814U (en) | Turbosupercharger middle case cross bore positioning step depth check tool | |
| CN207007071U (en) | Cubing for annular groove depth survey | |
| CN104034586B (en) | Stressed component measurement device | |
| CN204881428U (en) | Elevator tows quick measuring device of race | |
| CN204359223U (en) | A kind of super-huge deep groove ball bearing inner ring or outer ring raceway position-measurement device | |
| CN203642818U (en) | No-go gauge used for detecting automobile instrument board injection molding products | |
| CN109282741A (en) | Calipers and its method inside and outside bamboo | |
| CN202182694U (en) | Plunger contour degree measuring detecting tool | |
| CN206223057U (en) | A kind of concentric press fit device | |
| CN203561317U (en) | Measuring bar type width gauge | |
| CN205209413U (en) | Utensil is examined to high accuracy sphere diameter | |
| CN208205958U (en) | A kind of cubing measuring oil tight skeleton feature spot size | |
| CN203894130U (en) | Hardness measuring instrument of automobile seat flank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |