CN108195256A - A kind of big specification lightweight high-precision dial framework - Google Patents
A kind of big specification lightweight high-precision dial framework Download PDFInfo
- Publication number
- CN108195256A CN108195256A CN201810319511.8A CN201810319511A CN108195256A CN 108195256 A CN108195256 A CN 108195256A CN 201810319511 A CN201810319511 A CN 201810319511A CN 108195256 A CN108195256 A CN 108195256A
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- CN
- China
- Prior art keywords
- table bar
- bearing
- shaped
- seat
- dial framework
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The present invention relates to a kind of big specification lightweight high-precision dial frameworks, including contact, dial gauge and table bar and fastener, table bar is " I-shaped structure; bearing is equipped with below table bar left end; the lower end setting contact of bearing; the bearing is fastened on I-shaped table bar, makes its bearing that can horizontally slip on table bar；It is equipped with below table bar right end and measures seat, dial gauge is set on the measurement seat；It measures seat and is fastened on the lower edge of I-shaped table bar right end, and fixed with fixing screws.Table bar is " I-shaped " table bar, and bearing is fastened on the lower edge of I-shaped table bar, and fixed with fixing screws with measuring seat.Several lightening holes are provided on the body of rod of table bar and for High Strength Casting degree magnesium alloy.This dial framework tool is light-weight, and easy to operate, high certainty of measurement, measurer is rigidly good, measurer repeatability error<0.005, this dial framework employs Modular Structure Design, measurer can measure 1 meter ~ 2.7 meters of outer diameter need to only adjust two measurement positions can, measurement range step-less adjustment.
Description
Technical field
The present invention relates to a kind of big specification lightweight high-precision dial frameworks.
Background technology
Mostly using steel construction square structure, the ruler within 500MM is measured in the dial framework for using the structure for current dial framework
When very little, dial framework is rigidly good, and weight is suitable, and when needing to measure the size of larger diameter, the dial framework weight of the structure is with measurement
Size it is bigger, the weight of dial framework sharply increases, be computed measure 2000MM sizes when the structure dial framework up to 35Kg so that making
It is very inconvenient during crossing, it is very heavy so that during detection must two people collaboration can just be detected, it is inconvenient for operation,
Can not one measure.And since the dial framework own wt of the structure increases, dial framework can generate flexural deformation, and make measurement
Precision is inaccurate, and since measurer weight is big, the smart sensitivity of measurement is poor, and precision can only ensure 0.02 error, and the dial framework of the structure
It is heavy.
Invention content
It is an object of the invention to solve above-mentioned deficiency, a kind of big specification lightweight high-precision dial framework is provided, the present invention
Technical solution be：
A kind of big specification lightweight high-precision dial framework, including contact, dial gauge and table bar and fastener, it is characterised in that described
Table bar for " I-shaped structure, bearing, the lower end setting contact of bearing are equipped with below the table bar left end, which is fastened on work
On font table bar, make its bearing that can horizontally slip on table bar；
It is equipped with below the table bar right end and measures seat, dial gauge is set on the measurement seat；It measures seat and is fastened on I-shaped table bar
The lower edge of right end, and fixed with fixing screws.
The table bar is " I-shaped " table bar, and bearing is fastened on the lower edge of I-shaped table bar with measuring seat, and with fixation
Screw is fixed.
Several lightening holes are provided on the body of rod of the table bar.
The table bar is High Strength Casting degree magnesium alloy.
It is heavy that the present invention solves common dial framework, inconvenient for operation, can not the single deficiency measured, carried out by calibrating rack
It improves so that dial framework is light-weight, and it is convenient to measure, and can carry out individual and independently measure, and solves major diameter dimension measurement in production
Problem.
The dial framework uses relative measurement mode, measures part outer diameter or internal diameter size, 2 bottom end face of part and part during use
End face contacts, and part 1 is contacted with part outer circle, another 3 bottom surface of head and feature contacts, by moving left and right dial framework so that part 4
(dial gauge) reading value is maximum value, and indicating value at this moment is to measure part and the difference to table part.Standard component value plus survey
Amount relative value of outcome is the measured value of part.
Table bar of the present invention is using High Strength Casting degree magnesium alloy, and the I-shaped structure part with lightening hole, the table bar is not easy
Deformation, the yield-point of general steel material is 30Kg/mm2, and the yield-point of this material of the high-strength magnesium aluminium alloy reaches 110KG/
Mm2, counter-bending index is far beyond other materials.Easily keeping, suspension, keeps flat, and will not influence it because keeping flat for a long time
Straightness, the depth of parallelism.The I-shaped structure of the table bar with lightening hole, good, light-weight, the 3 meters of long horizon rules of rigidity
Weight only has 9Kg, in summary feature, and table bar can meet the various requirements accurately measured on dial framework.
The bearing and measurement seat of the present invention is T font slide block structures, when measuring various outer diameter size, adjusts bearing and survey
Seat is measured in table bar（Magnesium alloy horizon rule table bar）On position be can measure various outer diameter size.
It is had the advantage that using measurer of the present invention:
One：Dial framework tool is light-weight, and using High Strength Casting degree magnesium alloy, the I-shaped structure part with lightening hole, measurer weight is big
Width mitigates, and weight is reduced by pervious 35kg to 7.5kg so that measurer is easy to operate.
2:Dial framework high certainty of measurement, since measurer is light-weight, measurer is rigidly good, high certainty of measurement, measurer repeatability error
<0.005。
3:Dial framework measurement range is wide, employs Modular Structure Design, and measurer can measure 1 meter ~ 2.7 meters of outer diameter and only need to adjust
Section two measure positions can, measurement range step-less adjustment.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the side block diagram of the present invention.
Wherein 1- contacts, 2- bearings, 3- measure seat, 4- dial gauges, 5- fixing screws, 6- tables bar, 7- lightening holes.
Specific embodiment
Referring to attached drawing, a kind of big specification lightweight high-precision dial framework, including contact 1, dial gauge 4 and table bar 6 and fastening
Part, it is characterised in that the table bar 6 is " I-shaped structure, 6 left end of table bar lower section are equipped with bearing 2, and the lower end of bearing 2 is set
Contact 1 is put, which is fastened on I-shaped table bar 6, makes its bearing 2 that can horizontally slip on table bar 6；
It is equipped with below 6 right end of table bar and measures seat 3, dial gauge 4 is set on the measurement seat 3；Measurement seat 3 is fastened on I-shaped
The lower edge of 6 right end of table bar, and fixed with fixing screws 5.
The table bar 6 is " I-shaped " table bar 6, and bearing 2 is fastened on the lower edge of I-shaped table bar 6 with measuring seat 3, is used in combination
Fixing screws 5 are fixed.
Several lightening holes 7 are provided on the body of rod of the table bar 6.
The table bar 6 is High Strength Casting degree magnesium alloy.
Claims (4)
1. a kind of big specification lightweight high-precision dial framework, including contact（1）, dial gauge（4）And table bar（6）And fastener, it is special
Sign is the table bar（6）For " I-shaped structure, the table bar（6）Bearing is equipped with below left end（2）, bearing（2）Lower end set
Put contact（1）, the bearing（2）It is fastened on I-shaped table bar（6）On, make its bearing（2）It can be in table bar（6）On horizontally slip；
The table bar（6）It is equipped with below right end and measures seat（3）, the measurement seat（3）Upper setting dial gauge（4）；Measure seat（3）Card
It closes in I-shaped table bar（6）The lower edge of right end, and use fixing screws（5）It is fixed.
A kind of 2. big specification lightweight high-precision dial framework according to claim 1, it is characterised in that the table bar（6）For
" I-shaped " table bar（6）, bearing（2）With measuring seat（3）It is fastened on I-shaped table bar（6）Lower edge, and use fixing screws（5）Gu
It is fixed.
A kind of 3. big specification lightweight high-precision dial framework according to claim 1 or 2, it is characterised in that the table bar
（6）The body of rod on be provided with several lightening holes（7）.
A kind of 4. big specification lightweight high-precision dial framework according to claim 1 or 2, it is characterised in that the table bar
（6）For High Strength Casting degree magnesium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810319511.8A CN108195256A (en) | 2018-04-11 | 2018-04-11 | A kind of big specification lightweight high-precision dial framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810319511.8A CN108195256A (en) | 2018-04-11 | 2018-04-11 | A kind of big specification lightweight high-precision dial framework |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108195256A true CN108195256A (en) | 2018-06-22 |
Family
ID=62596509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810319511.8A Pending CN108195256A (en) | 2018-04-11 | 2018-04-11 | A kind of big specification lightweight high-precision dial framework |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108195256A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060283037A1 (en) * | 2005-06-17 | 2006-12-21 | The Technologies Alliance, Inc. | Gage for measuring diameters |
| CN2914030Y (en) * | 2006-06-03 | 2007-06-20 | 郝华民 | Precision measurement instrument |
| CN101021407A (en) * | 2007-03-07 | 2007-08-22 | 渤海船舶重工有限责任公司 | Non-flange shafts centring device |
| CN106403758A (en) * | 2016-11-23 | 2017-02-15 | 沈阳黎明航空发动机(集团)有限责任公司 | Conical surface dimension measuring tool and application method thereof |
| CN208026166U (en) * | 2018-04-11 | 2018-10-30 | 湖南南方宇航高精传动有限公司 | A kind of big specification lightweight high-precision dial framework |
-
2018
- 2018-04-11 CN CN201810319511.8A patent/CN108195256A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060283037A1 (en) * | 2005-06-17 | 2006-12-21 | The Technologies Alliance, Inc. | Gage for measuring diameters |
| CN2914030Y (en) * | 2006-06-03 | 2007-06-20 | 郝华民 | Precision measurement instrument |
| CN101021407A (en) * | 2007-03-07 | 2007-08-22 | 渤海船舶重工有限责任公司 | Non-flange shafts centring device |
| CN106403758A (en) * | 2016-11-23 | 2017-02-15 | 沈阳黎明航空发动机(集团)有限责任公司 | Conical surface dimension measuring tool and application method thereof |
| CN208026166U (en) * | 2018-04-11 | 2018-10-30 | 湖南南方宇航高精传动有限公司 | A kind of big specification lightweight high-precision dial framework |
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