CN105258606A - Inner hole diameter testing tool - Google Patents
Inner hole diameter testing tool Download PDFInfo
- Publication number
- CN105258606A CN105258606A CN201510668051.6A CN201510668051A CN105258606A CN 105258606 A CN105258606 A CN 105258606A CN 201510668051 A CN201510668051 A CN 201510668051A CN 105258606 A CN105258606 A CN 105258606A
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- China
- Prior art keywords
- base
- fixed
- pin
- holding pin
- lever
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Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides an inner hole diameter testing tool. A middle shaft penetrates through a base and is fixed by nuts on the base. The middle shaft is provided with two levers under the base. The front end of each of the two levers is provided with a first fastening pin upwards. The first fastening pins penetrate out the upper surface of the base. The addendum circle of each first fastening pin is tangential with the inner diameter of a positioning board. One end of each of two steel bands is fixed on the first fastening pin. A second fastening pin is correspondingly fixed on the base in a direction at 180 DEG to the direction of the positioning board. The addendum circle of the second fastening pin is tangential with the inner diameter of the positioning board. Two steel bands are fixed on the second fastening pin. The two steel bands are annular in an outward direction. The back empty chamber of each lever is provided with a shift fork through a shift fork shaft. The shift fork shaft is fixed below the base. A handle is arranged behind the shift fork and penetrates out of the side of the base 1 and extends. One lever in the levers is provided with a gauge base bracket, and the other lever is provided with a measuring cylindrical pin. According to the inner hole diameter testing tool, a measuring system error can be totally eliminated through a steel band type inner hole testing tool; high measurement accuracy is realized and furthermore operation efficiency is improved by more than 1.5 times.
Description
Technical field
The present invention relates to a kind of cubing, measurer, specifically a kind of diameter of bore is greater than the bore diameter gage of more than 300mm.
Background technology
Be mainly used in thin-walled at present, the endoporus of light weight part detects (as engine flywheel ring gear), under normal circumstances for the survey instrument mainly inside meter that hole measuring precision is higher, but the limitation impact of specification is measured owing to being subject to inside meter, diameter of bore is when more than 300mm, the inside meter framework be equipped with is very large, heavier-weight, the detectability MSA of measurer is undesirable, and ring gear belongs to thin wall steel pieces, easily Internal Hole Deformation is produced after finish turning, that is: endoporus ovality is in 0.05-0.20 scope, inner diameter measurement result can be caused so untrue, and for detection different size, the part of different cultivars need change auxiliary rod above inside meter to meet testing requirement, use inconvenience.
Summary of the invention
The present invention is greater than the parts inner hole precision of more than 300mm in order to detect diameter of bore, solve inside meter and measure low, the measurement result of efficiency not problem accurately, finishing endoporus for thin-walled of the same type, large aperture ring gear detects and provides reference, a kind of bore diameter gage of special proposition.
Technical scheme of the present invention is for this reason, a kind of bore diameter gage, comprise a base 1, base is provided with location-plate 2, it is characterized in that: be provided with axis 10 at the center of base 1, axis 10 passes base 1 and fixes with nut 9 on base 1, axis 10 is provided with two levers 4,5 for 1 time at base, the front end of two levers 4,5 is upwards provided with holding pin 1, holding pin 1 passes base 1 on base 1, cylindrical and location-plate 2 internal diameter of holding pin 1 are tangent, holding pin 1 are fixed with respectively one end of two steel bands 15; Correspondence is fixed with holding pin 2 16 on the base 1 in location-plate 2180 ° of directions, and cylindrical and location-plate 2 internal diameter of holding pin 2 16 are tangent, holding pin 2 16 are fixed with respectively the other end of two steel bands 15; Two steel bands 15 are outwards in circular;
Shift fork 13 is provided with by declutch shift shaft 14 in the rear end neutral gear of lever 4,5, declutch shift shaft 14 is fixed on base 1 time, and wherein shift fork 13 is provided with two fork pawls, and fork pawl is fixed with roller 11 by pin 12, also be provided with handle 17 after shift fork 13, handle 17 passes from base 1 side and extends into active state;
One lever of lever 4,5 arranges gauge stand support 7, and gauge stand support 7 passes base 1 and become active state on base 1, and corresponding being provided with on another lever surveys pin 8, and survey pin 8 passes base 1 and become active state with gauge stand support 7 correspondence on base 1.
Further improvement is: be outwards respectively equipped with spring 18 4,5 times at two levers, wherein one end of spring 18 is fixed on lever 4,5, and the other end is then fixed on below base 1, makes it to form outside tension.
Further improvement is: be also provided with centering cover plate 6 above on base 1, and holding pin 1 and holding pin 2 16 pass centering cover plate 6 one-tenth active state; Gauge stand support 7 and survey pin 8 also pass centering cover plate 6 one-tenth active state.
Further improvement is: that two steel bands 15 adopt is flexible steel band δ 0.4mm.
Further improvement is: evenly connected as one by multiple web joint 19 and location-plate 2 around centering cover plate 6.
Beneficial effect:
The present invention can eliminate measurement system error completely by using steel band type inner bore checking fixture, and confirmatory measurement ability GRR < 10% can accept, and measures efficiency and is also improved significantly; The replaceable design of different internal diameters, the steel band length converted, be equipped with corresponding calibrating device and just can start surveying work by adjustment; Work efficiency improves more than 1.5 times than traditional inside meter metering system, measures accurately.
The setting of spring helps the reset of two levers, makes the state of measurement in the raw, ensures the accuracy of size.
The setting of centering cover plate not only protects the interference that base also prevents steel band, is also to ensure the accuracy measured.
Adopt the technical knowhow that flexible steel band δ 0.4mm is good with measured piece aperture stickiness under levers support effect, stability, the consistance of control survey result is come by lever transmission ratio, outfit standard exemplar (that is: calibrating device) carries out measurement of comparison simultaneously, eliminates systematic error.
The use of web joint makes whole cubing form an entirety, adds reliability.
The ring gear that the present invention can measure different pore size only need change accessory just can realize, and Measurement sensibility is good, owing to can accomplish " a tractor serves several purposes ".
Accompanying drawing explanation
Fig. 1 is cut-open view of the present invention.
Fig. 2 is the vertical view schematic diagram of Fig. 1.
In figure, 1 is base, and 2 is location-plates, and 3 is holding pins one, 4,5 is levers, and 6 is centering cover plates, and 7 is gauge stand supports, 8 is survey pin, and 9 is nuts, and 10 is axis, 11 is rollers, and 12 is pins, and 13 is shift forks, 14 is declutch shift shafts, and 15 is steel bands, and 16 is holding pins two, 17 is handles, and 18 is springs, and 19 is web joints.
Embodiment
The present invention as shown in Figure 1, 2.
A kind of bore diameter gage, comprise a frame-type base 1, base is provided with location-plate 2, it is characterized in that: be provided with axis 10 at the center of base 1, axis 10 passes base 1 and fixes with nut 9 on base 1, and axis 10 is provided with two levers 4,5 for 1 time at base, the front end of two levers 4,5 is upwards provided with holding pin 1, holding pin 1 passes base 1 on base 1, and cylindrical and location-plate 2 internal diameter of holding pin 1 are tangent, holding pin 1 are fixed with respectively one end of two steel bands 15; Correspondence is fixed with holding pin 2 16 on the base 1 in location-plate 2180 ° of directions, and cylindrical and location-plate 2 internal diameter of holding pin 2 16 are tangent, holding pin 2 16 are fixed with respectively the other end of two steel bands 15; Two steel bands 15 are outwards in circular;
Shift fork 13 is provided with by declutch shift shaft 14 in the rear end neutral gear of lever 4,5, declutch shift shaft 14 is fixed on base 1 time, and wherein shift fork 13 is provided with two fork pawls, and fork pawl is fixed with roller 11 by pin 12, also be provided with handle 17 after shift fork 13, handle 17 passes from base 1 side and extends into active state;
One lever 5 of lever 4,5 arranges gauge stand support 7, and gauge stand support 7 passes base 1 and become active state on base 1, and corresponding being provided with on another lever 4 surveys pin 8, and survey pin 8 passes base 1 and become active state with gauge stand support 7 correspondence on base 1.
Outwards be respectively equipped with spring 18 4,5 times at two levers, wherein one end of spring 18 is fixed on lever 4,5, and the other end is then fixed on below base 1, makes it to form outside tension.
Also be provided with centering cover plate 6 above on base 1, holding pin 1 and holding pin 2 16 pass centering cover plate 6 one-tenth active state; Gauge stand support 7 and survey pin 8 also pass centering cover plate 6 one-tenth active state.
That two steel bands 15 adopt is flexible steel band δ 0.4mm.
Evenly connected as one by multiple web joint 19 and location-plate 2 around centering cover plate 6.
Claims (5)
1. a bore diameter gage, comprise a base (1), base is provided with location-plate (2), it is characterized in that: be provided with axis (10) at the center of base (1), axis (10) passes base (1) and fixes with nut (9) on base (1), axis (10) is provided with two levers (4 under base (1), 5), two levers (4, 5) front end is upwards provided with holding pin one (3), holding pin one (3) passes base (1) on base (1), cylindrical and location-plate (2) internal diameter of holding pin one (3) are tangent, holding pin one (3) is fixed with respectively one end of two steel bands (15), correspondence is fixed with holding pin two (16) on the base (1) in location-plate (2) 180 ° of directions, and cylindrical and location-plate (2) internal diameter of holding pin two (16) are tangent, holding pin two (16) are fixed with respectively the other end of two steel bands (15), two steel bands (15) are outwards in circular,
Shift fork (13) is provided with by declutch shift shaft (14) in the rear end neutral gear of lever (4,5), under declutch shift shaft (14) is fixed on base (1), wherein shift fork (13) is provided with two fork pawls, fork pawl is fixed with roller (11) by pin (12), also be provided with handle (17) after shift fork (13), handle (17) passes from base (1) side and extends into active state;
One lever (5) of lever (4,5) arranges gauge stand support (7), gauge stand support (7) passes base (1) and become active state on base (1), corresponding being provided with on another lever (4) surveys pin (8), and survey pin (8) passes base (1) and become active state with gauge stand support (7) correspondence on base (1).
2. a kind of bore diameter gage according to claim 1, it is characterized in that: under two levers (4,5), be outwards respectively equipped with spring (18), wherein one end of spring (18) is fixed on lever (4,5), the other end is then fixed on below base (1), makes it to form outside tension.
3. a kind of bore diameter gage according to claim 1, is characterized in that: be also provided with centering cover plate (6) above on base (1), and holding pin one (3) and holding pin two (16) pass centering cover plate (6) and become active state; Gauge stand support (7) and survey pin (8) also pass centering cover plate (6) and become active state.
4. a kind of bore diameter gage according to claim 1, is characterized in that: that two steel bands (15) adopt is flexible steel band δ 0.4mm.
5. a kind of bore diameter gage according to claim 1, is characterized in that: centering cover plate (6) is around evenly connected as one by multiple web joint (19) and location-plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510668051.6A CN105258606B (en) | 2015-10-17 | 2015-10-17 | A kind of bore diameter gage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510668051.6A CN105258606B (en) | 2015-10-17 | 2015-10-17 | A kind of bore diameter gage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105258606A true CN105258606A (en) | 2016-01-20 |
| CN105258606B CN105258606B (en) | 2017-12-01 |
Family
ID=55098393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510668051.6A Active CN105258606B (en) | 2015-10-17 | 2015-10-17 | A kind of bore diameter gage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105258606B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110763108A (en) * | 2019-11-02 | 2020-02-07 | 赵忠兴 | Inner diameter pi gauge for obtaining diameter size based on perimeter expansion method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2932303Y (en) * | 2006-06-29 | 2007-08-08 | 中国重型汽车集团泰安五岳专用汽车有限公司 | Inside diameter measuring device |
| CN101122454A (en) * | 2007-08-23 | 2008-02-13 | 陈焕春 | Inner hole groove diameter gauge |
| US20100028796A1 (en) * | 2008-08-04 | 2010-02-04 | Canon Kabushiki Kaisha | Magnetic carrier and two-component developer |
| CN102679843A (en) * | 2012-03-30 | 2012-09-19 | 东南大学 | Non-full-circle pi ruler for measuring major outside diameter |
| CN205037844U (en) * | 2015-10-17 | 2016-02-17 | 东风（十堰）发动机部件有限公司 | Bore diameter examines utensil |
-
2015
- 2015-10-17 CN CN201510668051.6A patent/CN105258606B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2932303Y (en) * | 2006-06-29 | 2007-08-08 | 中国重型汽车集团泰安五岳专用汽车有限公司 | Inside diameter measuring device |
| CN101122454A (en) * | 2007-08-23 | 2008-02-13 | 陈焕春 | Inner hole groove diameter gauge |
| US20100028796A1 (en) * | 2008-08-04 | 2010-02-04 | Canon Kabushiki Kaisha | Magnetic carrier and two-component developer |
| CN102679843A (en) * | 2012-03-30 | 2012-09-19 | 东南大学 | Non-full-circle pi ruler for measuring major outside diameter |
| CN205037844U (en) * | 2015-10-17 | 2016-02-17 | 东风（十堰）发动机部件有限公司 | Bore diameter examines utensil |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110763108A (en) * | 2019-11-02 | 2020-02-07 | 赵忠兴 | Inner diameter pi gauge for obtaining diameter size based on perimeter expansion method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105258606B (en) | 2017-12-01 |
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Address after: 442000, No. 60 Xinjiang Road, Shiyan City, Hubei Province Patentee after: Dongshi Automotive Power Parts (Hubei) Co.,Ltd. Address before: 442000, No. 60 Xinjiang Road, Shiyan City, Hubei Province Patentee before: DONGFENG (SHIYAN) ENGINE PARTS LTD. |
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