CN103528557B - A kind of high-accuracy sphere diameter gauge - Google Patents
A kind of high-accuracy sphere diameter gauge Download PDFInfo
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- CN103528557B CN103528557B CN201310460721.6A CN201310460721A CN103528557B CN 103528557 B CN103528557 B CN 103528557B CN 201310460721 A CN201310460721 A CN 201310460721A CN 103528557 B CN103528557 B CN 103528557B
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Abstract
A kind of high-accuracy sphere diameter gauge, comprises heaving mechanism, display device, counter weight device and measurement mechanism; Heaving mechanism comprises clamp, riser, arm-tie, screw rod, joint pin; Counter weight device comprises guide rail, middle plate and briquetting; Measurement mechanism comprises gauge head, guide pin bushing, deck and sensor; Display device is used for display measurement result; The clamp wherein drawing counter weight device is arranged on arm-tie, clamp bottom is connected with the screw rod through arm-tie intermediate throughholes, joint pin is connected with connecting screw rod by nut, joint pin connecting middle plate top drawn by clamp in plate along slide, be fixed on bottom riser on table top, riser top fixed support arm-tie.The combination gauge head of spherical diameter measurement, counter weight device and display system are organically combined by the present invention, to the size of gauge head, standard workpiece and guide pin bushing and between matching relationship require high, ensure that whole spherical diameter measurement apparatus structure is compact, precision is high.
Description
Technical field
The present invention relates to a kind of measuring instrument, particularly the high-accuracy sphere diameter gauge of one, belongs to aerospace navigation application.
Background technology
Gyroscope and accelerometer are the critical components in the navigational system of satellite and rocket, wherein in gyroscope and accelerometer the critical component of used sphere diameter structure gyroscope and accelerometer, therefore the precision of sphere diameter structural member directly determines the precision of gyroscope and accelerometer, in the production run of certain model Navsat, high especially to sphere diameter accuracy requirement, owing to there is very large difficulty when equipment self accuracy limitations makes to measure sphere diameter when adopting traditional three-coordinates measuring machine or spherometer to measure.Under current this state, adopt traditional three-coordinates measuring machine and spherometer helpless when the sphere diameter very high in the face of accuracy requirement.Therefore, pole is necessary to develop a kind of special measurement mechanism for this type of high precision sphere diameter, to realize the Measurement accuracy of high-accuracy sphere diameter.
Summary of the invention
Technical matters to be solved by this invention is: for overcoming the deficiencies in the prior art, provide a kind of high-precise ball cable diameter gauge, spherical diameter measurement sensor and gauge head are combined into one, by the variable quantity between tested sphere diameter part and standard sphere diameter, complete the indirect inspection to ball part.
Technical solution of the present invention is:
A kind of high-accuracy sphere diameter gauge, comprises heaving mechanism, display device, counter weight device and measurement mechanism;
Heaving mechanism comprises clamp, riser, arm-tie, screw rod, joint pin; Counter weight device comprises guide rail, middle plate and briquetting; Measurement mechanism comprises gauge head, guide pin bushing, deck and sensor; Display device is used for display measurement result;
The clamp wherein drawing counter weight device is arranged on arm-tie, clamp bottom is connected with the screw rod through arm-tie intermediate throughholes, joint pin is connected with connecting screw rod by nut, joint pin connecting middle plate top drawn by clamp in plate along slide, be fixed on bottom riser on table top, riser top fixed support arm-tie;
Guide rail is fixed on riser, and briquetting is fixedly connected with middle plate, and briquetting provides constant force value to measured workpiece and standard workpiece in spherical diameter measurement process;
The guide pin bushing being provided with hollow round tube hole is placed on for the standard workpiece of measuring basis parameter value and measured workpiece, guide pin bushing is fixed on the table top immediately below briquetting, the deck of hollow is positioned at below table top also through table top and guide pin bushing coaxial cooperation, deck inner bottom part is provided with stage clip, gauge head is positioned on the stage clip of deck inside, and deck outer bottom is provided with the sensor contacted with stage clip.
Display device comprises display and PLC processor; PLC processor is connected with sensor and display by data line.
Gauge head is stretched out by the hollow round hole of guide pin bushing.
There is 1-5mm gap between joint pin and screw rod, guarantee counter weight device not by clamp interference effect.
Bottom standard workpiece, ball is bowl-shape, gauge head top cylindrical sharp edge and with standard workpiece bottom ball bowl manufacture, gauge head and standard workpiece gap are within 0.005mm; Be that ball is bowl-shape bottom measured workpiece.
Guide pin bushing top cylindrical sharp edge and with ball bowl central coaxial, axle deviation is within 0.005mm.
The present invention's advantage is compared with prior art:
(1) counterweight of the present invention provides constant force value to tested part and standardized element in spherical diameter measurement process, eliminates in measuring process because pressure changes the stochastic error caused.
(2) the combination gauge head of spherical diameter measurement, counter weight device and display system are organically combined by the present invention, to the size of gauge head, standard workpiece and guide pin bushing and between matching relationship require high, the precision of measurement mechanism self is made to reach more than 0.25 μm, ensure that whole spherical diameter measurement apparatus structure is compact, precision is high.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is side view of the present invention;
Fig. 3 is vertical view of the present invention;
Fig. 4 is the present invention's probe location schematic diagram when working;
Fig. 5 is stereographic map of the present invention;
Wherein: 1-clamp; 2-arm-tie; 3-screw rod; 4-joint pin; 5-nut; 6-riser; 7-table top; 8-guide rail; Plate in 9-; 10-briquetting; 11-gauge head; 12-guide pin bushing; 13-measuring staff; 14-sensor; 15-display.
Embodiment
As Figure 1-5, a kind of high-accuracy sphere diameter gauge, comprises heaving mechanism, display device 15, counter weight device and measurement mechanism.
Heaving mechanism comprises clamp 1, riser 6, arm-tie 2, screw rod 3, joint pin 4; Counter weight device comprises guide rail 8, middle plate 9 and briquetting 10; Measurement mechanism comprises gauge head 11, guide pin bushing 12, deck 13 and sensor 14; Display device 15 is for display measurement result.
The clamp 1 wherein drawing counter weight device is arranged on arm-tie 2, clamp 1 bottom is connected with the screw rod 3 through arm-tie 2 intermediate throughholes, joint pin 4 is connected with connecting screw rod 3 by nut 5, slided along guide rail 8 by plate 9 in clamp 1 traction in joint pin 4 connecting middle plate 9 top, be fixed on table top 7 bottom riser 6, riser 6 top fixed support arm-tie 2.
Guide rail 8 is fixed on riser 6, and briquetting 10 is fixedly connected with middle plate 9, and briquetting 10 provides constant force value to measured workpiece and standard workpiece in spherical diameter measurement process; Display device 15 comprises display and PLC processor; PLC processor is connected with sensor 14 and display by data line.
The guide pin bushing 12 being provided with hollow round tube hole is placed on for the standard workpiece of measuring basis parameter value and measured workpiece, guide pin bushing 12 is fixed on the table top 7 immediately below briquetting 10, the deck 13 of hollow is positioned at below table top 7 also through table top 7 and guide pin bushing 12 coaxial cooperation, deck 13 inner bottom part is provided with stage clip, gauge head 11 is positioned on the stage clip of deck 13 inside, deck 13 outer bottom is provided with the sensor 14 contacted with stage clip, gauge head 11 respond to and measuring workpieces sphere diameter size subtle change and by stage clip by intracellular signaling to sensor 14, calculated by the data of PLC processor and the final difference showing measured workpiece and standard workpiece sphere diameter over the display of conversion, the final numerical value demonstrating tested sphere diameter over the display.
Gauge head stretches out the hollow round hole of guide pin bushing 12, make probe part and absorption surface, be pressed on workpiece by the briquetting of constant mass, adopt the object of briquetting of constant-quality to be keep the pressure in repetitive measurement process between gauge head with workpiece identical, eliminate the measuring error because pressure etc. does not cause.
There is 1-5mm gap between joint pin 4 and screw rod 3, guarantee counter weight device not by clamp 1 interference effect.
As shown in Figure 4, bottom standard workpiece, ball is bowl-shape, gauge head 11 top cylindrical sharp edge and with standard workpiece bottom ball bowl manufacture, gauge head 11 and standard workpiece gap are within 0.005mm; Be that ball is bowl-shape bottom measured workpiece.
Guide pin bushing 12 top cylindrical sharp edge and with ball bowl central coaxial, axle deviation is within 0.005mm.
As shown in Figure 1, the measuring method of high-accuracy sphere diameter gauge is: adopt the principle that difference is measured, measured the sphere diameter of tested ball by the difference between measured workpiece and standard workpiece, the precision of measurement is 0.25 μm; Concrete grammar is for being successively put into for twice on guide pin bushing (12) by standard workpiece and measured workpiece, and clamp (1) guides briquetting (10) to provide constant pressure to measured workpiece and standard workpiece; Gauge head (11) is first measured standard workpiece, completes and arranges the zeroing of sensor (14); Gauge head (11) is measured measured workpiece afterwards, numerical value is transferred to twice measurement gained before and after process in PCL processor difference by sensor (14) will be measured, and the data processed are shown over the display, complete the measurement to measured workpiece size.
The unexposed technology of the present invention belongs to general knowledge as well known to those skilled in the art.
Claims (6)
1. a high-accuracy sphere diameter gauge, is characterized in that: comprise heaving mechanism, display device (15), counter weight device and measurement mechanism;
Heaving mechanism comprises clamp (1), riser (6), arm-tie (2), screw rod (3), joint pin (4); Counter weight device comprises guide rail (8), middle plate (9) and briquetting (10); Measurement mechanism comprises gauge head (11), guide pin bushing (12), deck (13) and sensor (14); Display device (15) is for display measurement result;
The clamp (1) wherein drawing counter weight device is arranged on arm-tie (2), clamp (1) bottom is connected with the screw rod (3) through arm-tie (2) intermediate throughholes, joint pin (4) is connected with connecting screw rod (3) by nut (5), slided along guide rail (8) by plate (9) in clamp (1) traction in joint pin (4) connecting middle plate (9) top, riser (6) bottom is fixed on table top (7), riser (6) top fixed support arm-tie (2);
Guide rail (8) is fixed on riser (6), and briquetting (10) is fixedly connected with middle plate (9), and briquetting (10) provides constant force value to measured workpiece and standard workpiece in spherical diameter measurement process;
The guide pin bushing (12) being provided with hollow round tube hole is placed on for the standard workpiece of measuring basis parameter value and measured workpiece, guide pin bushing (12) is fixed on the table top (7) immediately below briquetting (10), the deck (13) of hollow is positioned at table top (7) below and passes table top (7) and guide pin bushing (12) coaxial cooperation, deck (13) inner bottom part is provided with stage clip, gauge head (11) is positioned on the inner stage clip of deck (13), and deck (13) outer bottom is provided with the sensor (14) contacted with stage clip.
2. the high-accuracy sphere diameter gauge of one according to claim 1, is characterized in that: display device (15) comprises display and PLC processor; PLC processor is connected with sensor (14) and display by data line.
3. the high-accuracy sphere diameter gauge of one according to claim 1, is characterized in that: gauge head is stretched out by the hollow round hole of guide pin bushing (12).
4. the high-accuracy sphere diameter gauge of one according to claim 1, is characterized in that: have 1-5mm gap between joint pin (4) and screw rod (3), guarantees counter weight device not by clamp (1) interference effect.
5. the high-accuracy sphere diameter gauge of one according to claim 1, it is characterized in that: bottom standard workpiece, ball is bowl-shape, gauge head (11) top cylindrical sharp edge and with standard workpiece bottom ball bowl manufacture, gauge head (11) and standard workpiece gap are within 0.005mm; Be that ball is bowl-shape bottom measured workpiece.
6. high-accuracy sphere diameter gauge according to claim 1, is characterized in that: guide pin bushing (12) top cylindrical sharp edge and with ball bowl central coaxial, axle deviation is within 0.005mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310460721.6A CN103528557B (en) | 2013-09-30 | 2013-09-30 | A kind of high-accuracy sphere diameter gauge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310460721.6A CN103528557B (en) | 2013-09-30 | 2013-09-30 | A kind of high-accuracy sphere diameter gauge |
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| CN103528557A CN103528557A (en) | 2014-01-22 |
| CN103528557B true CN103528557B (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310460721.6A Active CN103528557B (en) | 2013-09-30 | 2013-09-30 | A kind of high-accuracy sphere diameter gauge |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091827B (en) * | 2015-04-29 | 2018-01-12 | 张家港海太精密量仪科技有限公司 | Diameter measuring instrument for sphere |
| CN113108746B (en) * | 2021-04-15 | 2022-02-01 | 南通友腾自动化设备有限公司 | Automatic measuring device for ball diameter of steel ball |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114155U (en) * | 1991-11-14 | 1992-08-26 | 开封轴承厂 | Bearing outer ball diameter measuring apparatus |
| US6314655B1 (en) * | 1999-12-02 | 2001-11-13 | United States Golf Association | Automatic ball sizing device |
| CN102353760A (en) * | 2011-03-22 | 2012-02-15 | 马鞍山钢铁股份有限公司 | On-site rapid detection method and apparatus for bentonite quality |
| CN202853592U (en) * | 2012-10-22 | 2013-04-03 | 无锡市迈日机器制造有限公司 | Alley minimum diameter flexible measuring and grouping measuring tool |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2932526B2 (en) * | 1989-09-28 | 1999-08-09 | ぺんてる株式会社 | Shape measuring device |
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2013
- 2013-09-30 CN CN201310460721.6A patent/CN103528557B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114155U (en) * | 1991-11-14 | 1992-08-26 | 开封轴承厂 | Bearing outer ball diameter measuring apparatus |
| US6314655B1 (en) * | 1999-12-02 | 2001-11-13 | United States Golf Association | Automatic ball sizing device |
| CN102353760A (en) * | 2011-03-22 | 2012-02-15 | 马鞍山钢铁股份有限公司 | On-site rapid detection method and apparatus for bentonite quality |
| CN202853592U (en) * | 2012-10-22 | 2013-04-03 | 无锡市迈日机器制造有限公司 | Alley minimum diameter flexible measuring and grouping measuring tool |
Non-Patent Citations (2)
| Title |
|---|
| 一种微球球径测量的新方法;陈祝;《测试与校准》;20060430;第26卷(第4期);第32-34页 * |
| 精密球径的在线测量;张耀辉等;《制造技术与机床》;19990228(第2期);第36-37页 * |
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