CN201780083U - Measuring tool for measuring diameter limiting value and ellipticity ratio of steel pipe - Google Patents
Measuring tool for measuring diameter limiting value and ellipticity ratio of steel pipe Download PDFInfo
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- CN201780083U CN201780083U CN2010202003497U CN201020200349U CN201780083U CN 201780083 U CN201780083 U CN 201780083U CN 2010202003497 U CN2010202003497 U CN 2010202003497U CN 201020200349 U CN201020200349 U CN 201020200349U CN 201780083 U CN201780083 U CN 201780083U
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- vernier
- chute
- baffle plate
- ovality
- measuring
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Abstract
A measuring tool for measuring the diameter limiting value and ellipticity ratio of a steel pipe comprises a main scale, wherein the scale body of the main scale is arranged inside the vernier groove of a main vernier with a baffle plate set, the scale body can horizontally slide in the vernier groove, two inverted T-shaped sliding chutes are formed on the scale body, an auxiliary vernier set is arranged inside the sliding chutes, and a circular arc-shaped leaf springs are arranged at the bottom of the interior of the sliding chutes. The baffle plate set includes an upper baffle plate and a lower baffle plate, wherein the upper baffle plate and the lower baffle plate are staggered with each other and are respectively connected with and arranged at the upper part and the lower part of the left end of the main vernier. A minimum value measuring auxiliary vernier provided with a first locating boss at the left end thereof is arranged inside the upper sliding chute, a maximum value measuring auxiliary vernier provided with a second locating boss at the left end thereof is arranged inside the lower sliding chute; and the upper baffle plate and the lower baffle plate are respectively butted against the right end of the first locating boss and the left end of the second locating boss to move the minimum value measuring auxiliary vernier and the maximum value measuring auxiliary vernier to move leftwards and rightwards. The measuring tool provided by the utility model has simple structure and accurate reading, and is suitable for measuring the diameter limiting values and ellipticities of various steel pipes.
Description
Technical field
The utility model relates to the survey instrument field of measurement data/value, relates in particular to a kind of steel production industry that is used for and is used to measure the diameter extreme value of steel pipe and the survey instrument of ovality.
Background technology
When each tame steel production enterprise was produced tube product, the ovality of steel pipe was the important measurement project of of steel pipe sizes precision.And the metering system of vernier caliper is mainly adopted in the measurement of the ovality of the steel pipe under the prior art, its concrete operations are: be stuck in vernier caliper on the circumference of steel pipe and carry out continuous coverage, rely on visual inspection, note the maximal value and the minimum value (being the diameter extreme value) of measurement, deduct minimum value with maximal value, obtain ovality.
And according to the definition according to ovality, the size of ovality is the maximal value of diameter of steel tube and the difference between the minimum value, but there is following shortcoming in the measuring method with vernier caliper under the prior art:
1. owing to its value negligible amounts, the possibility of omitting diameter maximum/little value is very big, causes the poor reliability of ellipticity measurement.
2. measuring accuracy is low, and owing to needs the many places repeated measurement to make measuring speed slow.
These defectives directly influence steel pipe sizes quality control and use.
In sum, now need a kind of novel survey instrument, can measure the extreme value of steel pipe easily, and need are measured accurately, efficiency of measurement is high.
The utility model content
Adopt vernier caliper to measure the defective of diameter of steel tube extreme value and ovality under the prior art in order to solve, the utility model provides a kind of survey instrument of measuring diameter of steel tube extreme value and ovality, this instrument can accurately be measured diameter of steel tube extreme value and the convenient ovality of calculating, and can directly read maximal value and the minimum value and the ovality of diameter of steel tube, improve the accuracy that steel pipe sizes is described.Concrete structure of the present utility model is as described below:
A kind of survey instrument of measuring diameter of steel tube extreme value and ovality comprises a main scale, it is characterized in that:
The blade of described main scale is arranged on one and has in the mark groove of main cursor of baffle group;
The blade of described main scale is provided with the chute of two inverted T shapes, is provided with secondary vernier group in the chute.
According to a kind of survey instrument of measuring diameter of steel tube extreme value and ovality of the present utility model, it is characterized in that, the blade of described main scale is arranged on one and has in the mark groove of main cursor of baffle group, and it is specially the blade size and matches with mark groove size, and blade can horizontally slip in marking groove.
The blade of main scale slides in the mark groove, and this sliding distance is the diameter extreme value of measuring steel pipe.
According to a kind of survey instrument of measuring diameter of steel tube extreme value and ovality of the present utility model, it is characterized in that, the described main cursor that has baffle group, it is specially this baffle group and is divided into up and down two and the upper and lower baffle plate that staggers mutually, is connected in the upper and lower of the left end of main cursor respectively.
According to a kind of survey instrument of measuring diameter of steel tube extreme value and ovality of the present utility model, it is characterized in that, the chute of described two inverted T shapes, its chute that is specially these two inverted T shapes is arranged at the middle part of blade and all is parallel to blade, the two ends of chute are got through, and the groove bottom in the chute is provided with the circular arc spring leaf.
According to a kind of survey instrument of measuring diameter of steel tube extreme value and ovality of the present utility model, it is characterized in that, be provided with secondary vernier group in the described chute, it is specially, be provided with the minimum value that a left end bottom has a positioning boss and measure secondary vernier in upper hopper chute, be provided with the maximal value that a left end top has No. two positioning boss and measure secondary vernier in gliding groove, these two secondary verniers all have scale, and size dimension is all corresponding with chute, and can horizontally slip in chute.
Secondary vernier in conjunction with the circular arc spring leaf in the above-mentioned chute, makes the optional position in the chute that can be parked in main scale behind its location when sliding, be difficult for being subjected to displacement once more, has improved measuring accuracy.
According to a kind of survey instrument of measuring diameter of steel tube extreme value and ovality of the present utility model, it is characterized in that, the upper and lower baffle plate of described baffle group is the blade chi face design a little more than main scale, and upper and lower baffle plate withstands the right-hand member of a positioning boss and the left end of No. two positioning boss respectively, can promote minimum value and measure secondary vernier and maximal value and measure secondary vernier respectively and move right left.
The upper and lower baffle plate of baffle group is the blade chi face design a little more than main scale, this is designed for the utility model when work, upper and lower baffle plate withstands minimum value respectively and measures secondary vernier and maximal value and measure the right-hand member of a positioning boss of secondary vernier and the left end of No. two positioning boss, auxiliary positioning, prevent that it from moving back excessive or skid off the location gauge, and had concurrently and promote minimum value and measure the effect that secondary vernier and maximal value are measured secondary vernier.
During concrete operations, when the diameter of steel pipe to be measured diminished, overhead gage promoted the positioning boss that minimum value is measured secondary vernier, makes whole minimum value measure secondary vernier and is moved to the left in chute, and maximal value is measured then invariant position of secondary vernier; And the diameter of steel pipe to be measured is when becoming big, lower baffle plate promotes No. two positioning boss that maximal value is measured secondary vernier, making whole maximal value measure secondary vernier moves right in chute, minimum value is measured then invariant position of secondary vernier, by calculating, promptly finished the measurement of ovality to difference between the two secondary verniers.
Use a kind of survey instrument of measuring diameter of steel tube extreme value and ovality of the present utility model, obtain following beneficial effect:
1. the survey instrument of measurement diameter of steel tube extreme value of the present utility model and ovality has solved and has adopted vernier caliper inconvenient operation, data read difficult under the prior art, and can not directly read the problem of maximal value, minimum value and ovality;
2. the survey instrument of measurement diameter of steel tube extreme value of the present utility model and ovality, simple in structure, cost is low, and easy to use, and diameter extreme value data can directly read, and are directly perceived, and accurately, and applicability is wide.
3. the survey instrument of measurement diameter of steel tube extreme value of the present utility model and ovality has directly improved the control and the service efficiency of steel pipe sizes quality.
Description of drawings
Fig. 1 is a kind of concrete structure synoptic diagram of measuring the survey instrument of diameter of steel tube extreme value and ovality of the present utility model;
Fig. 2 is a kind of main scale concrete structure synoptic diagram partly of measuring the survey instrument of diameter of steel tube extreme value and ovality of the present utility model;
Fig. 3 for the A-A of the main scale part of a kind of survey instrument of measuring diameter of steel tube extreme value and ovality of the present utility model to sectional view;
Fig. 4 is a kind of main cursor concrete structure synoptic diagram partly of measuring the survey instrument of diameter of steel tube extreme value and ovality of the present utility model;
Fig. 5 measures the concrete structure synoptic diagram of secondary vernier for a kind of minimum value of measuring the survey instrument of diameter of steel tube extreme value and ovality of the present utility model;
Fig. 6 measures the concrete structure synoptic diagram of secondary vernier for a kind of maximal value of measuring the survey instrument of diameter of steel tube extreme value and ovality of the present utility model;
Fig. 7 is a kind of user mode figure that measures the survey instrument of diameter of steel tube extreme value and ovality of the present utility model.
Among the figure: 1-main scale, 1A-blade, 1B-chute, 1C-circular arc spring leaf, 2-main cursor, the 2A-baffle group, 2B-marks groove, positioning boss of 3-, the 4-minimum value is measured secondary vernier, No. two positioning boss of 5-, the 6-maximal value is measured secondary vernier, 7-claw, 8-positioning knob, 9-steel pipe to be measured.
Embodiment
Below in conjunction with drawings and Examples a kind of survey instrument of measuring diameter of steel tube extreme value and ovality of the present utility model is further described.
Embodiment
Extremely shown in Figure 7 as Fig. 1, the survey instrument of measurement diameter of steel tube extreme value of the present utility model and ovality, its concrete use operation is as follows, at first, claw 7 is snapped on the outside surface of steel pipe 9 to be measured, make the blade 1A of main scale 1 be adjacent to the outside surface of steel pipe as far as possible, simultaneously minimum value is measured secondary vernier 4 and maximal value and measured positioning boss 3 of secondary vernier 6 and No. two positioning boss 5 respectively near on the baffle group 2A of main cursor 2, lower baffle plate, survey instrument with measurement diameter of steel tube extreme value of the present utility model and ovality rotates 360 ° around the axis of steel pipe to be measured then, make claw be close to steel tube surface in the rotary course, tighten the positioning knob 8 on the main cursor after rotating a circle.
This moment, measuring process finished, the beginning reading, promoted corresponding with it positioning boss owing to be subjected to the upper and lower baffle plate of the baffle group 2A of main cursor 2, be that minimum value is measured secondary vernier 4 displacement has been taken place left in chute 1B, the value that scale read of the blade 1A of itself and main scale 1 is the minimum value of steel pipe radius, and maximal value measures displacement taken place to the right in secondary vernier 6 chutes, is the maximal value of steel pipe radius with the value that scale read of the blade of main scale.
The result is as follows, minimum value is measured the value that ellipticity measurement vernier graduation that ellipticity measurement scale on the secondary vernier 4 and maximal value measure secondary vernier 6 is read, be the ovality of steel pipe, and the scale that main cursor scale on the main cursor 2 and main scale 1 are read is the diameter value of steel pipe 9 to be measured.
The survey instrument of measurement diameter of steel tube extreme value of the present utility model and ovality, can measure external diameter maximal value, minimum value and the ovality of the products such as various bars, weldless steel tube, ERW welded still pipe, UOE welded still pipe of each tame steel production enterprise, improve the accuracy of dimensional measurement.And the utility model is simple in structure, small and exquisite flexibly, accuracy of reading, the measurement science is applicable to the fields of measurement of various diameter of steel tube extreme values and ovality.
Claims (6)
1. a survey instrument of measuring diameter of steel tube extreme value and ovality comprises a main scale (1), it is characterized in that:
The blade (1A) of described main scale (1) is arranged on one and has in the mark groove (2B) of main cursor (2) of baffle group (2A);
The blade (1A) of described main scale (1) is provided with the chute (1B) of two inverted T shapes, is provided with secondary vernier group in the chute.
2. a kind of survey instrument of measuring diameter of steel tube extreme value and ovality as claimed in claim 1, it is characterized in that, the blade (1A) of described main scale (1) is arranged on one and has in the mark groove (2B) of main cursor (2) of baffle group (2A), it is specially the blade size and matches with mark groove size, and blade can horizontally slip in the mark groove.
3. a kind of survey instrument of measuring diameter of steel tube extreme value and ovality as claimed in claim 1, it is characterized in that, the described main cursor (2) that has baffle group (2A), it is specially this baffle group and is divided into upper and lower two and the upper and lower baffle plate that staggers mutually, is connected in the upper and lower of the left end of main cursor respectively.
4. a kind of survey instrument of measuring diameter of steel tube extreme value and ovality as claimed in claim 1, it is characterized in that, the chute of described two inverted T shapes (1B), its chute that is specially these two inverted T shapes is arranged at the middle part of blade (1A) and all is parallel to blade, the two ends of chute are got through, and the groove bottom in the chute is provided with circular arc spring leaf (1C).
5. a kind of survey instrument of measuring diameter of steel tube extreme value and ovality as claimed in claim 1, it is characterized in that, be provided with secondary vernier group in the described chute (1B), it is specially, in upper hopper chute, be provided with the minimum value that a left end bottom has a positioning boss (3) and measure secondary vernier (4), in gliding groove, be provided with the maximal value that a left end top has No. two positioning boss (5) and measure secondary vernier (6), these two secondary verniers all have scale, and size dimension is all corresponding with chute, and can horizontally slip in chute.
6. as claim 3 or the described a kind of survey instrument of measuring diameter of steel tube extreme value and ovality of claim 5, it is characterized in that, the upper and lower baffle plate of described baffle group (2A) is blade (1A) the chi face design a little more than main scale (1), and upper and lower baffle plate withstands the right-hand member of a positioning boss (3) and the left end of No. two positioning boss (5) respectively, can promote minimum value and measure secondary vernier (4) and maximal value and measure secondary vernier (6) respectively and move right left.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202003497U CN201780083U (en) | 2010-05-21 | 2010-05-21 | Measuring tool for measuring diameter limiting value and ellipticity ratio of steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202003497U CN201780083U (en) | 2010-05-21 | 2010-05-21 | Measuring tool for measuring diameter limiting value and ellipticity ratio of steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201780083U true CN201780083U (en) | 2011-03-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202003497U Expired - Fee Related CN201780083U (en) | 2010-05-21 | 2010-05-21 | Measuring tool for measuring diameter limiting value and ellipticity ratio of steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201780083U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162592A (en) * | 2013-03-06 | 2013-06-19 | 中国航空工业集团公司沈阳发动机设计研究所 | Plug-type axially symmetric spray pipe outlet diameter measuring tool |
| CN105135983A (en) * | 2015-05-25 | 2015-12-09 | 梧州市产品质量检验所 | Reinforcing steel bar inner diameter measuring method |
| CN105157520A (en) * | 2015-05-25 | 2015-12-16 | 梧州市产品质量检验所 | Method for measuring height of transverse rib of reinforcement bar |
| CN108413828A (en) * | 2018-03-23 | 2018-08-17 | 中国石油天然气集团公司管材研究所 | A kind of intelligent vernier caliper and its measurement method measuring outer diameter extreme value and ovality |
| CN113251902A (en) * | 2021-05-07 | 2021-08-13 | 盐城市联鑫钢铁有限公司 | Method for detecting out-of-roundness of plain round steel bar |
| CN116147461A (en) * | 2023-04-24 | 2023-05-23 | 山东飘扬家具有限公司 | Automatic measuring device and control method for necking size of steel pipe for furniture |
-
2010
- 2010-05-21 CN CN2010202003497U patent/CN201780083U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162592A (en) * | 2013-03-06 | 2013-06-19 | 中国航空工业集团公司沈阳发动机设计研究所 | Plug-type axially symmetric spray pipe outlet diameter measuring tool |
| CN103162592B (en) * | 2013-03-06 | 2015-09-09 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of plug axisymmetric nozzle outlet diameter measuring tool |
| CN105135983A (en) * | 2015-05-25 | 2015-12-09 | 梧州市产品质量检验所 | Reinforcing steel bar inner diameter measuring method |
| CN105157520A (en) * | 2015-05-25 | 2015-12-16 | 梧州市产品质量检验所 | Method for measuring height of transverse rib of reinforcement bar |
| CN108413828A (en) * | 2018-03-23 | 2018-08-17 | 中国石油天然气集团公司管材研究所 | A kind of intelligent vernier caliper and its measurement method measuring outer diameter extreme value and ovality |
| CN113251902A (en) * | 2021-05-07 | 2021-08-13 | 盐城市联鑫钢铁有限公司 | Method for detecting out-of-roundness of plain round steel bar |
| CN116147461A (en) * | 2023-04-24 | 2023-05-23 | 山东飘扬家具有限公司 | Automatic measuring device and control method for necking size of steel pipe for furniture |
| CN116147461B (en) * | 2023-04-24 | 2023-09-08 | 山东飘扬家具有限公司 | Automatic measuring device and control method for necking size of steel pipe for furniture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20150521 |
|
| EXPY | Termination of patent right or utility model |