CN103175497A - Small hole measuring mechanism - Google Patents
Small hole measuring mechanism Download PDFInfo
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- CN103175497A CN103175497A CN2012101919122A CN201210191912A CN103175497A CN 103175497 A CN103175497 A CN 103175497A CN 2012101919122 A CN2012101919122 A CN 2012101919122A CN 201210191912 A CN201210191912 A CN 201210191912A CN 103175497 A CN103175497 A CN 103175497A
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Abstract
The invention relates to a small hole measuring mechanism, and belongs to the technical field of measuring and detecting. Specifically, aperture variation is transmitted to a sensor through components such as a flexible gauge to detect inner diameter of a small hole. The small hole measuring mechanism comprises a positioning rod, a first measuring head, a second measuring head, an inner measuring rod, an outer measuring rod, an upper mounting plate, a limiting head, a connecting shaft, a mounting block, the flexible gauge, the sensor, a fixing block, a slide block, a pressure spring, a adjusting screw, a stopper, a slide seat and a lower mounting plate. The small hole measuring mechanism is simple, compact and reasonable in structure, wide in application range, capable of detecting various parameters simultaneously, high in measuring accuracy, long in measuring distance, convenient to adjust, high in repeatability, low in magnetic hysteresis, and long in service life during normal operation.
Description
Technical field
The present invention relates to a kind of aperture measuring mechanism, specifically be delivered on sensor by the variable quantity of the parts such as flexible rule with the aperture, thereby realize detection to hole diameter, belong to the inspection technology field measured.
Background technology
In prior art, realize that the multi-direction measurement of multi-section of aperture is the measurement that very difficult, general measuring mechanism can only be realized a single direction in cross section, can not satisfy high precision, multiparameter testing requirement.
Summary of the invention
The object of the invention is to overcome above-mentioned weak point, thereby provide a kind of aperture measuring mechanism, can arrange simultaneously two cross sections, four measuring points of each cross section layout in aperture, the measurement of realization to hole diameter double sections twocouese, measuring accuracy is high, the measurement stroke is long, regulates easy to usely, can adapt to many kinds, multiparameter and detect demand.
According to technical scheme provided by the invention, aperture measuring mechanism mainly comprises reference column, the first gauge head, the second gauge head, interior measuring staff, outer measuring staff, upper mounting plate, spacing head, coupling shaft, mounting blocks, flexible rule, sensor, fixed block, slide block, stage clip, set screw, block, slide and lower installation board.
Connect by four coupling shafts between upper mounting plate and lower installation board, the coupling shaft upper end by the 7th screw fastening on upper mounting plate.Even four slides that distribute on described lower installation board, slide passes through the 5th screw fastening on lower installation board.Slide block is installed in slide, and slide block can slide in slide, and is by the 4th screw, that slide block and lower installation board is fastening.Described upper end of slide block connects two flexible rule by the first screw connection fixing block on fixed block.Described slide side connects block by the 3rd screw, is provided with stage clip between block and slide block.Set screw is passed stage clip, and block is fixed on slide block.
Described flexible rule are provided with sensor, and flexible rule top is by the second screw connection piece.The mounting blocks side connects spacing head, and the bottom of reference column embeds between spacing head and upper mounting plate, and passes through the 6th screw fastening on upper mounting plate.Four interior measuring staffs and four outer measuring staffs are installed in described reference column.Be fixed on mounting blocks interior measuring staff top installation the first gauge head, outer measuring staff top installation the second gauge head bottom described interior measuring staff and outer measuring staff.Fix two register pins on the upper mounting plate in the described reference column outside.
Compared with the prior art the present invention has the following advantages:
The present invention is simple, compact and reasonable for structure; Applied range can detect many kinds of parameters simultaneously, by being used in combination, also can realize the detection to peculiar parts such as connecting rods; Measuring accuracy is high, measures stroke long, regulates easy to use; Regulate by slide block, slide, enlarged the detection stroke, can realize that many kinds size shares the demand of a cover detector; Adopt flexible rule to carry out the size transmission, therefore motion has extra high repeatability without any friction means, and hysteresis is low; Under normal operating condition, serviceable life is long especially.
Description of drawings
Fig. 1 is that the present invention partly cuts open figure.
Fig. 2 is front view of the present invention.
Fig. 3 is vertical view of the present invention.
description of reference numerals: 1-reference column, 2-the first gauge head, 3-the second gauge head, measuring staff in 4-, the outer measuring staff of 5-, the 6-register pin, the 7-upper mounting plate, the spacing head of 8-, the 9-coupling shaft, 10-the first screw, 11-the second screw, the 12-mounting blocks, the flexible rule of 13-, the 14-sensor, the 15-fixed block, the 16-slide block, the 17-stage clip, the 18-set screw, the 19-block, the 20-slide, 21-the 3rd screw, the 22-lower installation board, 23-the 4th screw, 24-the 5th screw, 25-the 6th screw, 26-the 7th screw.
Embodiment
Following the present invention is further described in connection with the embodiment in accompanying drawing:
As shown in Fig. 1 ~ 3, the present invention mainly comprises reference column 1, the first gauge head 2, the second gauge head 3, interior measuring staff 4, outer measuring staff 5, upper mounting plate 7, spacing 8, coupling shaft 9, mounting blocks 12, flexible rule 13, sensor 14, fixed block 15, slide block 16, stage clip 17, set screw 18, block 19, slide 20 and lower installation board 22.
Connect by four coupling shafts 9 between upper mounting plate 7 and lower installation board 22, coupling shaft 9 upper ends are fastened on upper mounting plate 7 by the 7th screw 26.Even four slides 20 that distribute on described lower installation board 22, slide 20 is fastened on lower installation board 22 by the 5th screw 24.The interior installation slide block 16 of slide 20, slide block 16 can be in the interior slips of slide 20, and be by the 4th screw 23, that slide block 16 and lower installation board 22 is fastening.Described slide block 16 upper ends connect two flexible rule 13 by the first screw 10 connection fixing blocks 15 on fixed block 15.Described slide 20 sides connect block 19 by the 3rd screw 21, are provided with stage clip 17 between block 19 and slide block 16.Set screw 18 is passed stage clip 17, and block 19 is fixed on slide block 16.
Described flexible rule 13 are provided with sensor 14, and flexible rule 13 tops are by the second screw 11 connection pieces 12.Mounting blocks 12 sides connect spacing 8, between spacing 8 of the bottom embedding and upper mounting plate 7 of reference column 1, and are fastened on upper mounting plate 7 by the 6th screw 25.Four interior measuring staffs 4 of the interior installation of described reference column 1 and four outer measuring staffs 5.Described interior measuring staff 4 and outer measuring staff 5 bottoms are fixed on mounting blocks 12, and the first gauge heads 2 are installed on interior measuring staff 4 tops, and the second gauge heads 3 are installed on outer measuring staff 5 tops.Fix two register pins 6 on the upper mounting plate 7 in described reference column 1 outside, register pin 6 plays guiding and protective effect when being used for changing reference column 1.
The present invention can not have the place than big bang to use, and flexible rule 13 do not need to oil, and reference column 1 needs regularly to safeguard, prevents corrosion phenomenon.
The course of work of the present invention is: at first, process the size of reference column 1, the first gauge head 2, the second gauge head 3, interior measuring staff 4 and outer measuring staff 5 according to the range of size of required detection part.By regulating four set screw 18, slide block 16 is adjusted to the position that needs fix, realize the adjustment to sensing range, can adapt to wider sensing range.The workpiece that need are detected is set on reference column 1, and the change in size amount of inner hole of workpiece is delivered on flexible rule 13 by the first gauge head 2, the second gauge head 3.Flexible rule 13 are surveying instruments of a kind of compactness, based on parallelogram sturcutre, in motion without any friction.The variable quantity of workpiece size is delivered to sensor 14 by flexible rule 13, causes the variation of sensor 14 output voltages, by the processing of circuit to analog quantity, obtains stable digital signal, realizes detection to size by matching measurement.
Claims (5)
1. aperture measuring mechanism, it is characterized in that: comprise reference column (1), the first gauge head (2), the second gauge head (3), interior measuring staff (4), outer measuring staff (5), upper mounting plate (7), spacing head (8), coupling shaft (9), mounting blocks (12), flexible rule (13), sensor (14), fixed block (15), slide block (16), stage clip (17), set screw (18), block (19), slide (20) and lower installation board (22), connect by four coupling shafts (9) between upper mounting plate (7) and lower installation board (22); Upper four slides (20) that evenly distribute of described lower installation board (22), slide (20) is fastened on lower installation board (22) by the 5th screw (24); Slide block (16) is installed in slide (20), and slide block (16) can slide in slide (20); Described slide block (16) upper end is by the first screw (10) connection fixing block (15), and fixed block (15) upward connects two flexible rule (13); Described slide (20) side connects block (19) by the 3rd screw (21), is provided with stage clip (17) between block (19) and slide block (16); Set screw (18) is passed stage clip (17), and block (19) is fixed on slide block (16); Described flexible rule (13) are provided with sensor (14), and flexible rule (13) top is by the second screw (11) connection piece (12); Mounting blocks (12) side connects spacing head (8), and the bottom of reference column (1) embeds between spacing head (8) and upper mounting plate (7); Four interior measuring staffs (4) and four outer measuring staffs (5) are installed in described reference column (1), be fixed on mounting blocks (12) bottom interior measuring staff (4) and outer measuring staff (5), the first gauge head (2) is installed on interior measuring staff (4) top, outer measuring staff (5) top installation the second gauge head (3).
2. aperture measuring as claimed in claim 1 mechanism is characterized in that: described coupling shaft (9) upper end is fastened on upper mounting plate (7) by the 7th screw (26).
3. aperture measuring as claimed in claim 1 mechanism, it is characterized in that: described slide block (16) is fastening by the 4th screw (23) and lower installation board (22).
4. aperture measuring as claimed in claim 1 mechanism, it is characterized in that: described reference column (1) is fastened on upper mounting plate (7) by the 6th screw (25).
5. aperture measuring as claimed in claim 1 mechanism is characterized in that:; Fix two register pins (6) on the upper mounting plate (7) in described reference column (1) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210191912.2A CN103175497B (en) | 2012-06-11 | 2012-06-11 | Aperture measuring mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210191912.2A CN103175497B (en) | 2012-06-11 | 2012-06-11 | Aperture measuring mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103175497A true CN103175497A (en) | 2013-06-26 |
| CN103175497B CN103175497B (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210191912.2A Active CN103175497B (en) | 2012-06-11 | 2012-06-11 | Aperture measuring mechanism |
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| Country | Link |
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| CN (1) | CN103175497B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111026A (en) * | 2014-07-25 | 2014-10-22 | 杭州电子科技大学 | Multi-electrode-plate capacitive sensor based variable hole diameter measuring device |
| CN105066935A (en) * | 2015-07-15 | 2015-11-18 | 西安航空动力股份有限公司 | Device and method for measuring diameter of short bus precise hole |
| CN104111026B (en) * | 2014-07-25 | 2017-01-04 | 杭州电子科技大学 | Variable orifice calipers based on capacitor with multiple electrode plates sensor |
| CN108871252A (en) * | 2018-07-27 | 2018-11-23 | 天津大学 | Based on synchronous belt drive-type roller workpiece radial pulsation measurement device and measurement method |
| CN109000530A (en) * | 2018-07-27 | 2018-12-14 | 天津大学 | The roller radial pulsation measurement device and method driven based on roller support and idler wheel |
| CN111760931A (en) * | 2020-07-10 | 2020-10-13 | 江西理工大学 | Aperture tester for copper wire drawing die |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0953924A (en) * | 1995-08-14 | 1997-02-25 | Fuji Oozx Inc | Instrument for simultaneously measuring bottom wall thickness and inside diameter of bottomed hole |
| EP0877224A2 (en) * | 1997-05-07 | 1998-11-11 | Mitutoyo Corporation | Method and instrument with probe for measuring inner or outer dimension of an object |
| CN201094012Y (en) * | 2007-10-29 | 2008-07-30 | 林旦 | Multi point measuring apparatus of bearing inner ring interior diameter |
| CN101520311A (en) * | 2008-02-28 | 2009-09-02 | 上海华龙测试仪器有限公司 | Dimension measurement device for sample double sections |
| CN101586952A (en) * | 2009-04-07 | 2009-11-25 | 王乃明 | Hole diameter detection apparatus and method |
| CN101788272A (en) * | 2010-04-06 | 2010-07-28 | 天津大学 | Method for precisely measuring inner diameter of multi-direction shaft hole based on laser triangulation method |
| CN202630892U (en) * | 2012-06-11 | 2012-12-26 | 无锡富瑞德精密机械有限公司 | Small hole measuring mechanism |
-
2012
- 2012-06-11 CN CN201210191912.2A patent/CN103175497B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0953924A (en) * | 1995-08-14 | 1997-02-25 | Fuji Oozx Inc | Instrument for simultaneously measuring bottom wall thickness and inside diameter of bottomed hole |
| EP0877224A2 (en) * | 1997-05-07 | 1998-11-11 | Mitutoyo Corporation | Method and instrument with probe for measuring inner or outer dimension of an object |
| CN201094012Y (en) * | 2007-10-29 | 2008-07-30 | 林旦 | Multi point measuring apparatus of bearing inner ring interior diameter |
| CN101520311A (en) * | 2008-02-28 | 2009-09-02 | 上海华龙测试仪器有限公司 | Dimension measurement device for sample double sections |
| CN101586952A (en) * | 2009-04-07 | 2009-11-25 | 王乃明 | Hole diameter detection apparatus and method |
| CN101788272A (en) * | 2010-04-06 | 2010-07-28 | 天津大学 | Method for precisely measuring inner diameter of multi-direction shaft hole based on laser triangulation method |
| CN202630892U (en) * | 2012-06-11 | 2012-12-26 | 无锡富瑞德精密机械有限公司 | Small hole measuring mechanism |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111026A (en) * | 2014-07-25 | 2014-10-22 | 杭州电子科技大学 | Multi-electrode-plate capacitive sensor based variable hole diameter measuring device |
| CN104111026B (en) * | 2014-07-25 | 2017-01-04 | 杭州电子科技大学 | Variable orifice calipers based on capacitor with multiple electrode plates sensor |
| CN105066935A (en) * | 2015-07-15 | 2015-11-18 | 西安航空动力股份有限公司 | Device and method for measuring diameter of short bus precise hole |
| CN105066935B (en) * | 2015-07-15 | 2018-01-09 | 西安航空动力股份有限公司 | A kind of apparatus and method for measuring short bus precision bore dia |
| CN108871252A (en) * | 2018-07-27 | 2018-11-23 | 天津大学 | Based on synchronous belt drive-type roller workpiece radial pulsation measurement device and measurement method |
| CN109000530A (en) * | 2018-07-27 | 2018-12-14 | 天津大学 | The roller radial pulsation measurement device and method driven based on roller support and idler wheel |
| CN111760931A (en) * | 2020-07-10 | 2020-10-13 | 江西理工大学 | Aperture tester for copper wire drawing die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103175497B (en) | 2015-08-12 |
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Address after: 214192 Xishan Economic Development Zone, Jiangsu, Rong Rong Road No. 75, No. Patentee after: FRIEDRICH MEASUREMENT INSTRUMENT CO., LTD. Address before: 214191 No. 52, Xin Xin Road, Xishan Economic Development Zone, Xishan District, Jiangsu, Wuxi Patentee before: Wuxi Friedrich Precision Machinery Co., Ltd. |