CN111156875B - Pipeline outer diameter deviation measuring instrument and using method thereof - Google Patents
Pipeline outer diameter deviation measuring instrument and using method thereof Download PDFInfo
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- CN111156875B CN111156875B CN202010063423.3A CN202010063423A CN111156875B CN 111156875 B CN111156875 B CN 111156875B CN 202010063423 A CN202010063423 A CN 202010063423A CN 111156875 B CN111156875 B CN 111156875B
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- 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
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention aims to provide a pipeline outer diameter deviation measuring instrument and a using method thereof, wherein the pipeline outer diameter deviation measuring instrument comprises a micrometer indication disc and is characterized in that: the measuring device comprises a measuring pipe, and is characterized by further comprising a circular ring plate, wherein three fixing check blocks are arranged on the upper surface of the circular ring plate at equal intervals, fixing rods for fixing the measuring pipe are horizontally arranged on the fixing check blocks in a penetrating mode, and first locking nuts for fixing the fixing rods are arranged on the fixing check blocks; the lower surface of the ring disc is provided with a movable stop block capable of moving along the circumference of the ring disc, the movable stop block is provided with a fixed measuring rod capable of moving along the radial direction of the movable stop block, the movable stop block is provided with a second locking nut for fixing the fixed measuring rod, a telescopic movable measuring rod is arranged in the fixed measuring rod, and the top end of the movable measuring rod is provided with a micrometer indicating disc; the invention can improve the measurement efficiency.
Description
Technical Field
The invention relates to the technical field of measuring devices, in particular to a pipeline outer diameter deviation measuring instrument and a using method thereof.
Background
In actual production, the allowable deviation of the outer diameter of the pipeline is measured before the pipeline leaves the factory, and the pipeline meeting the requirements is allowed to leave the factory. In the prior art, the direct measurement is generally carried out by adopting a vernier caliper on the measurement of the outer diameter deviation of the pipeline, but the vernier caliper is easy to deviate in the measurement process due to improper operation, errors are generated, repeated operation is needed, the efficiency is low, and the change of multiple measurement readings is different, so that the measurement precision is not high.
Disclosure of Invention
In view of the above, the present invention aims to provide a pipe outer diameter deviation measuring instrument, which improves the measuring efficiency.
The invention is realized by the following modes: the utility model provides a pipeline external diameter deviation measuring apparatu, includes micrometer indicating disk, its characterized in that: the measuring device comprises a measuring pipe, and is characterized by further comprising a circular ring plate, wherein three fixing check blocks are arranged on the upper surface of the circular ring plate at equal intervals, fixing rods for fixing the measuring pipe are horizontally arranged on the fixing check blocks in a penetrating mode, and first locking nuts for fixing the fixing rods are arranged on the fixing check blocks; the lower surface of the circular ring plate is provided with a movable stop block capable of moving along the circumference of the circular ring plate, the movable stop block is provided with a fixed measuring rod capable of moving along the radial direction of the movable stop block, the movable stop block is provided with a second locking nut for fixing the fixed measuring rod, the fixed measuring rod is internally provided with a telescopic movable measuring rod, the micrometer indication disc is arranged at the top end of the movable measurement rod, a return-to-zero adjusting key is arranged on the micrometer indication disc, a measurement switch is arranged on the fixed measurement rod, a scale is arranged on the fixed measurement rod, and a zero line of the scale is positioned in the direction where the micrometer indication disc is located.
Further, an annular track is arranged on the lower surface of the annular disc, and the movable stop block is arranged on the annular track.
Further, the fixed rod is provided with a staff gauge scale.
Further, a fine adjustment rod is arranged on the fixing rod, and a fine adjustment nut for controlling the fine adjustment rod to stretch out and draw back is arranged on the fixing rod.
Another object of the present invention is to provide a method for using a pipe outside diameter deviation measuring instrument according to the above claims, which is convenient for an operator to use, and is characterized in that: the method comprises the following steps:
step S1: selecting a measuring instrument of the corresponding general pipeline outer diameter according to the pipeline outer diameter to be measured for measurement;
Step S2: sleeving a measuring instrument on a pipeline to be measured, adjusting three fixing rods according to the outer diameter of the pipeline to be measured, enabling the scale value at the tangent position of the fixing rods and the inner edge of the fixed stop block to be the outer diameter value of the pipeline to be measured, fixing the fixing rods through the first locking nut, and then fine adjusting the fine adjusting nut to fix the ring disc on the pipeline to be measured;
step S3: after the circular ring disc is fixed, the fixed measuring rod is adjusted according to the outer diameter of the required measuring pipeline, so that the scale value at the tangent position of the fixed measuring rod and the inner edge of the movable stop block is the outer diameter value of the required measuring pipeline, and the fixed measuring rod is fixed through a second locking nut;
Step S4: after the fixed measuring rod is fixed, the zeroing adjusting key is adjusted to enable the indication number on the micrometer indicating disc to be zeroed, and after the adjustment is completed, the measuring switch is turned on to enable the movable measuring rod to be in a measuring state;
Step S5: and moving the movable stop block to drive the movable measuring rod to move along the circular ring disc for one circle, observing and recording the indication change of the micrometer indicating disc, and taking the maximum value and the minimum value of the indication change to finish the measurement work.
The invention has the beneficial effects that: according to the invention, the pipeline is fixed by the fixed rod, so that the annular disc and the pipeline are arranged on the concentric shaft, and then the movable measuring rod is used for measuring around the outer diameter of the pipeline for one circle, the data measured by the telescopic movement of the movable measuring rod is converted and displayed by the micrometer indicating disc, repeated operation is not needed, and the measuring efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a cross-sectional view AA of fig. 1.
Fig. 3 is a cross-sectional view in BB of fig. 1.
FIG. 4 is a schematic diagram of an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 3, in an embodiment of the present invention, a measuring apparatus for deviation of outer diameter of a pipe and a method for using the same, the measuring apparatus includes a micrometer indicating disc 1, and further includes a ring disc 2, wherein three fixing stoppers 3 are disposed on the upper surface of the ring disc 2 at equal intervals, fixing rods 4 for fixing a pipe to be measured are horizontally disposed on the fixing stoppers 3, first locking nuts 5 for fixing the fixing rods 4 are disposed on the fixing stoppers 3, corresponding measuring apparatuses are selected for measuring, the fixing rods 4 are adjusted, so that the ring disc 2 and the pipe to be measured are located on the same axis, the fixing rods 4 are fixed by the first locking nuts 5, and the ring disc 2 is fixed on the pipe to be measured; the lower surface of ring dish 2 is provided with one and follows ring dish 2 is movable dog 6 of circumference removal, be provided with on the movable dog 6 and follow movable dog 6 radial movement's fixed measuring rod 7, be provided with on the movable dog 6 and be used for fixing fixed measuring rod 7's second lock nut 8, install telescopic movable measuring rod 9 in the fixed measuring rod 7, install on the top of movable measuring rod 9 micrometer indicating disk 1, be provided with a return to zero adjusting key 10 on the micrometer indicating disk 1, be provided with measuring switch 11 on the fixed measuring rod 7, be provided with scale (not shown) on the fixed measuring rod 7, the zero line of scale is located micrometer indicating disk 1 place position. Selecting a corresponding measuring instrument for measurement, adjusting the fixing rod 4 to enable the ring disc 2 and the measured pipeline to be on a concentric axis, fixing the fixing rod 4 through the first locking nut 5, and fixing the ring disc 2 on the pipeline to be measured; after the circular ring disc 2 is fixed, the fixed measuring rod 7 is adjusted, so that a scale value at the tangent position of the inner edge of the movable stop block 6 on the fixed measuring rod 7 is an outer diameter value of a required measuring pipeline, the fixed measuring rod 7 is fixed through the second locking nut 8, and then the zeroing adjusting key 10 is adjusted, so that the indication on the micrometer indicating disc 1 is zeroed. After the adjustment is completed, the measuring switch 11 is turned on, so that the movable measuring rod 9 is in a measuring state, then measurement is started, the movable stop block 6 is moved, the movable measuring rod 9 is driven to move along the circular ring disc 2 for a circle, in the process that the movable measuring rod 9 moves along the outer peripheral side of the pipeline, the movable measuring rod 9 correspondingly stretches and contracts along with the change of the outer diameter of the measured pipeline, the data of the stretching and measuring of the movable measuring rod 9 are displayed through the micrometer indicating disc 1 after being converted, the reading change of the micrometer indicating disc 1 is observed and recorded, the maximum value and the minimum value of the reading change are taken, the measurement work is completed, and the difference value between the maximum value and the minimum value is the deviation value of the outer diameter of the pipeline. The micrometer indicator disc is 511-416 in type, but is not limited to.
Referring to fig. 3, in an embodiment of the present invention, an annular track 12 is disposed on the lower surface of the annular disc 2, the movable block 6 is disposed on the annular track 12, and the movable block 6 can move along the annular track 12.
Referring to fig. 1, in an embodiment of the present invention, the fixing rod 4 is provided with a scale (not shown), and the purpose of the scale is to ensure that the ring plate 2 and the required measuring pipe are located on a concentric axis when the ring plate 2 is fixed on the required measuring pipe, and the fixing rod 4 is adjusted such that a scale value at a tangent position of the fixing rod 4 and the inner edge of the fixed stop 3 is an outer diameter value of the required measuring pipe.
Referring to fig. 2, in an embodiment of the present invention, a fine adjustment rod 13 is disposed on the fixing rod 4, a fine adjustment nut 14 for controlling the fine adjustment rod 13 to stretch out and draw back is disposed on the fixing rod 4, and the fine adjustment nut 14 is finely adjusted so that the fine adjustment rod 13 extends out to fix the ring plate 2 on the pipe to be measured.
Referring to fig. 4, the method for using the pipe outer diameter deviation measuring instrument includes the following steps:
Step S1: and selecting a corresponding measuring instrument for measuring the outer diameter of the universal pipeline according to the outer diameter of the pipeline to be measured, wherein the size of the outer diameter of the universal pipeline is 200-630 mm.
Step S2: sleeving a measuring instrument on a pipeline to be measured, adjusting three fixing rods according to the outer diameter of the pipeline to be measured, enabling the scale value at the tangent position of the fixing rods and the inner edge of the fixed stop block to be the outer diameter value of the pipeline to be measured, fixing the fixing rods through the first locking nut, and then fine adjusting the fine adjusting nut to fix the ring disc on the pipeline to be measured;
step S3: after the circular ring disc is fixed, the fixed measuring rod is adjusted according to the outer diameter of the required measuring pipeline, so that the scale value at the tangent position of the fixed measuring rod and the inner edge of the movable stop block is the outer diameter value of the required measuring pipeline, and the fixed measuring rod is fixed through a second locking nut;
Step S4: after the fixed measuring rod is fixed, the zeroing adjusting key is adjusted to enable the indication number on the micrometer indicating disc to be zeroed, and after the adjustment is completed, the measuring switch is turned on to enable the movable measuring rod to be in a measuring state;
Step S5: and moving the movable stop block to drive the movable measuring rod to move along the circular ring disc for one circle, observing and recording the indication change of the micrometer indicating disc, taking the maximum value and the minimum value of the indication change, and finishing the measurement, wherein the difference value between the maximum value and the minimum value is the deviation value of the outer diameter of the pipeline.
The foregoing description is only of the preferred embodiments of the invention, and all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (2)
1. The application method of the pipeline outer diameter deviation measuring instrument is characterized by comprising the following steps of: the measuring instrument for the deviation of the outer diameter of the pipeline comprises a micrometer indicating disc and also comprises a circular ring disc, wherein three fixed check blocks are arranged on the upper surface of the circular ring disc at equal intervals, a fixed rod for fixing the pipeline to be measured is horizontally penetrated through the fixed check blocks, and a first locking nut for fixing the fixed rod is arranged on the fixed check blocks; the lower surface of the ring disc is provided with a movable stop block capable of moving along the circumference of the ring disc, the movable stop block is provided with a fixed measuring rod capable of moving along the radial direction of the movable stop block, the movable stop block is provided with a second locking nut for fixing the fixed measuring rod, a telescopic movable measuring rod is arranged in the fixed measuring rod, the top end of the movable measuring rod is provided with a micrometer indicating disc, the micrometer indicating disc is provided with a return-to-zero adjusting key, the fixed measuring rod is provided with a measuring switch, the fixed measuring rod is provided with a scale graduation, and a zero dividing line of the scale graduation is positioned in the direction of the micrometer indicating disc; the fixed rod is provided with a staff gauge scale; the fixing rod is provided with a fine tuning rod, and the fixing rod is provided with a fine tuning nut for controlling the fine tuning rod to stretch out and draw back;
The using method comprises the following steps:
step S1: selecting a measuring instrument of the corresponding general pipeline outer diameter according to the pipeline outer diameter to be measured for measurement;
Step S2: sleeving a measuring instrument on a pipeline to be measured, adjusting three fixing rods according to the outer diameter of the pipeline to be measured, enabling the scale value at the tangent position of the fixing rods and the inner edge of the fixed stop block to be the outer diameter value of the pipeline to be measured, fixing the fixing rods through the first locking nut, and then fine adjusting the fine adjusting nut to fix the ring disc on the pipeline to be measured;
step S3: after the circular ring disc is fixed, the fixed measuring rod is adjusted according to the outer diameter of the required measuring pipeline, so that the scale value at the tangent position of the fixed measuring rod and the inner edge of the movable stop block is the outer diameter value of the required measuring pipeline, and the fixed measuring rod is fixed through a second locking nut;
Step S4: after the fixed measuring rod is fixed, the zeroing adjusting key is adjusted to enable the indication number on the micrometer indicating disc to be zeroed, and after the adjustment is completed, the measuring switch is turned on to enable the movable measuring rod to be in a measuring state;
Step S5: and moving the movable stop block to drive the movable measuring rod to move along the circular ring disc for one circle, observing and recording the indication change of the micrometer indicating disc, and taking the maximum value and the minimum value of the indication change to finish the measurement work.
2. The method for using a pipe outside diameter deviation measuring instrument according to claim 1, wherein: the lower surface of ring dish is provided with an annular track, be provided with on the annular track the movable dog.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010063423.3A CN111156875B (en) | 2020-01-20 | 2020-01-20 | Pipeline outer diameter deviation measuring instrument and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010063423.3A CN111156875B (en) | 2020-01-20 | 2020-01-20 | Pipeline outer diameter deviation measuring instrument and using method thereof |
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| Publication Number | Publication Date |
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| CN111156875A CN111156875A (en) | 2020-05-15 |
| CN111156875B true CN111156875B (en) | 2024-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010063423.3A Active CN111156875B (en) | 2020-01-20 | 2020-01-20 | Pipeline outer diameter deviation measuring instrument and using method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111595229B (en) * | 2020-07-02 | 2021-08-24 | 青海省药品检验检测院 | Laboratory antibacterial zone area measurement analyzer |
| CN112414252B (en) * | 2020-11-19 | 2022-02-11 | 江苏理工学院 | Device and method for rapid quality inspection of mass-produced cylindrical products |
| CN115206561A (en) * | 2021-04-08 | 2022-10-18 | 中核核电运行管理有限公司 | A device and method for measuring inclination angle of fuel passage end components |
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| CN202361923U (en) * | 2011-10-10 | 2012-08-01 | 镇瑜 | External diameter continuous measuring instrument |
| CN205002712U (en) * | 2015-08-04 | 2016-01-27 | 广东茂化建集团有限公司 | Pipeline ovality attribute gage |
| CN205980981U (en) * | 2016-06-06 | 2017-02-22 | 新昌县中瑞轴承厂 | Rapid survey bearing inner race runout amount's device |
| CN211085042U (en) * | 2020-01-20 | 2020-07-24 | 福建省锅炉压力容器检验研究院漳州分院 | Pipeline external diameter deviation measuring instrument |
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| JP5447263B2 (en) * | 2010-07-29 | 2014-03-19 | 日本精工株式会社 | Dimension measuring method and dimension measuring device for thin ring workpiece |
| CN201876254U (en) * | 2010-12-02 | 2011-06-22 | 洛阳轴研科技股份有限公司 | Measuring instrument for detecting ellipticity of circular workpiece |
| CN203024707U (en) * | 2012-11-29 | 2013-06-26 | 珠海市钜鑫科技开发有限公司 | Outer diameter and roundness detector for diamond compact |
| CN103063183B (en) * | 2013-01-11 | 2015-06-03 | 洛阳轴研科技股份有限公司 | Method of measuring outer diameter tolerance and ovality of thin-walled loop |
| CN108613612B (en) * | 2018-06-21 | 2020-10-30 | 江苏理工学院 | An annular groove diameter measuring tool |
| CN110081792B (en) * | 2019-05-17 | 2020-11-27 | 山东胜利钢管有限公司 | Method for measuring puckered mouth at end of steel pipe or radial deviation of outer wall of steel pipe |
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- 2020-01-20 CN CN202010063423.3A patent/CN111156875B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202361923U (en) * | 2011-10-10 | 2012-08-01 | 镇瑜 | External diameter continuous measuring instrument |
| CN205002712U (en) * | 2015-08-04 | 2016-01-27 | 广东茂化建集团有限公司 | Pipeline ovality attribute gage |
| CN205980981U (en) * | 2016-06-06 | 2017-02-22 | 新昌县中瑞轴承厂 | Rapid survey bearing inner race runout amount's device |
| CN211085042U (en) * | 2020-01-20 | 2020-07-24 | 福建省锅炉压力容器检验研究院漳州分院 | Pipeline external diameter deviation measuring instrument |
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| CN111156875A (en) | 2020-05-15 |
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