CN112880524A - Major diameter steel pipe internal diameter ovality measuring device - Google Patents
Major diameter steel pipe internal diameter ovality measuring device Download PDFInfo
- Publication number
- CN112880524A CN112880524A CN201911202256.XA CN201911202256A CN112880524A CN 112880524 A CN112880524 A CN 112880524A CN 201911202256 A CN201911202256 A CN 201911202256A CN 112880524 A CN112880524 A CN 112880524A
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- China
- Prior art keywords
- rod
- measuring
- movable adjusting
- outer sleeve
- slide rail
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- 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.)
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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
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
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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
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
- G01B5/201—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures for measuring roundness
Abstract
The invention relates to the field of steel structure construction, in particular to a device for measuring the ovality of the inner diameter of a large-diameter steel pipe; the method is characterized in that: comprises a circular tube inner diameter bar support part, a slide rail with scales, a measuring bar part and a detachable drawing board (11); wherein, the rod support part of the inner diameter of the circular tube comprises a rod support outer sleeve rod (1), a movable adjusting rod (2), a fastening knob (3) and a strip-shaped rod support jacking block (4); the device simplifies the measuring process of the inner diameter ovality of the large-diameter steel pipe, has accurate measuring data and can read measuring errors in real time through the scales; through the detachable drawing board, the visual record of the measured data can be realized.
Description
Technical Field
The invention relates to the field of steel structure construction, in particular to a device for measuring the ovality of the inner diameter of a large-diameter steel pipe.
Background
The prior ovality measuring tool in a steel pipe factory mainly comprises calipers, a bar gauge, an electronic caliper and the like. The calipers and the rod gauges are handheld measuring tools, are very commonly used in steel pipe processing factories and pipe bending factories, measure the outer diameter and the inner diameter of a round steel pipe respectively, are simple to operate, have large measuring errors, have high requirements on experience of measuring personnel, are random in measuring readings, and cannot form data visual records; the electronic diameter measuring instrument belongs to large-scale measuring equipment, generally can only measure straight steel pipes, is accurate in measurement and simple and convenient to operate, but needs the cooperation of component transportation and transportation, and is slow in measurement speed.
The novel device for measuring the ovality also mainly focuses on portability and ensures the measurement accuracy as much as possible. For example, patent application No. CN201811487931.3 entitled "an apparatus for measuring ovality of petroleum pipe" is frequently used for measuring ovality of petroleum pipe. Through setting up the measuring stand main part, the connecting seat, the body is measured to the digital display and the fixing base that is used for installing the digital display and measures the body, guarantee to utilize self weight alignment center benchmark in the measurement process, the device is placed on the pipeline, through rotating the petroleum pipe, thereby obtain the measured data of petroleum pipe, record the difference between the biggest indicating value and the minimum indicating value on the digital display measuring tool, reach the ellipticity of petroleum pipe, when this device uses, make measuring apparatu and measurand pipeline axis keep the vertical state always, get rid of the human measurement factor, thereby improve the measuring precision of ellipticity. The method is accurate in ellipticity measurement, but because the round pipe needs to rotate, the steel pipe is often heavy in weight, difficult to rotate, needs to be matched with a rotating machine, and can only be applied to the ellipticity measurement of the straight steel pipe.
Disclosure of Invention
The invention aims to overcome the defects and provide a simplified large-diameter steel pipe measuring device, and meanwhile, the measuring result is ensured to be accurate, and the measuring result can be directly read and visually recorded on paper.
In order to achieve the above object, the present invention is realized by:
a measuring device for the ovality of the inner diameter of a large-diameter steel pipe; the drawing board comprises a circular tube inner diameter bar support part, a sliding rail with scales, a measuring bar part and a detachable drawing board; wherein, the rod support part of the inner diameter of the circular tube comprises a rod support outer sleeve rod, a movable adjusting rod, a fastening knob and a strip-shaped rod support jacking block; the part with the scale slide rail and the measuring rod piece comprises a movable adjusting slide block, a fastening knob, a slide rail with the scale slide rail, a movable measuring rod, a semicircular measuring rod end part jacking block, a fixed pencil clamp and a detachable drawing board; the adjustable movable adjusting rod comprises a rod support outer sleeve rod, a movable adjusting rod, a fastening knob, a long strip-shaped rod support jacking block and a clamping device, wherein the two movable adjusting rods are respectively arranged in two ends of the rod support outer sleeve rod in a penetrating mode, the fastening knob is arranged on the side portion of the rod support outer sleeve rod, penetrates through the side wall of the rod support outer sleeve rod to penetrate into the rod support outer sleeve rod and abuts against the adjustable movable adjusting rod, and; the movable adjusting slide block is sleeved in the middle of the rod support outer sleeve rod, a fastening knob is arranged on the side portion of the movable adjusting slide block, the fastening knob penetrates through the side wall of the movable adjusting slide block and is in a deep period and abutted against the movable adjusting slide block, a rotating shaft is arranged on the top surface of the movable adjusting slide block, one end of a slide rail with scales is rotatably sleeved on the rotating shaft, the interior of the slide rail with scales is hollow, a movable measuring rod is inserted into the hollow slide rail, and a semicircular measuring rod end portion jacking block is arranged at the exposed end portion of the movable measuring rod; the middle part of the slide rail with the scales is provided with a sliding groove along the length direction, the sliding groove enables a movable measuring rod inside the sliding groove to expose a part of rod body, a fixed pencil clamp is arranged on the partially exposed rod body and used for clamping a pencil, the detachable drawing board is located in the center of the bottom of the outer sleeve rod of the rod support, and the detachable drawing board is connected with the outer sleeve rod of the rod support in a magnetic attraction or sticking mode.
The device simplifies the measuring process of the ovality of the inner diameter of the large-diameter steel pipe, the measuring data of the device is accurate, and the measuring error can be read in real time through the scales; through the detachable drawing board, the visual record of the measured data can be realized, and the recorded circular tube track covers the radius values of all angles. Meanwhile, the device has small volume, is convenient to assemble, and has the advantages of wide measurement range and convenience in carrying and use.
Drawings
Fig. 1 is a schematic view of the device in use.
Detailed Description
The invention is further illustrated by the following specific examples.
As shown in fig. 1, a measuring device for the ovality of the inner diameter of a large-diameter steel pipe; the drawing board comprises a circular tube inner diameter bar support part, a sliding rail with scales, a measuring bar part and a detachable drawing board 11; the inner diameter rod support part of the circular pipe comprises a rod support outer sleeve rod 1, a movable adjusting rod 2, a fastening knob 3 and a strip-shaped rod support jacking block 4; the part with the scale slide rail and the measuring rod piece comprises a movable adjusting slide block 5, a fastening knob 6, a slide rail 7 with the scale slide rail, a movable measuring rod 8, a semicircular measuring rod end part jacking block 9, a fixed pencil clamp 10 and a detachable drawing board 11; the adjustable rod comprises a rod support outer sleeve rod 1, a movable adjusting rod 2, a fastening knob 3 and a strip-shaped rod support jacking block 4, wherein the two movable adjusting rods 2 are respectively arranged in two ends of the rod support outer sleeve rod 1 in a penetrating mode, the fastening knob 3 is arranged on the side portion of the rod support outer sleeve rod 1, penetrates through the side wall of the rod support outer sleeve rod to penetrate into the rod support outer sleeve rod and abuts against the adjustable movable adjusting rod 2, and the exposed end portion of the movable adjusting rod 2 is provided; the movable adjusting slide block 5 is sleeved at the middle part of the rod support outer sleeve rod 1, a fastening knob 6 is arranged at the side part of the movable adjusting slide block 5, the fastening knob 6 penetrates through the side wall of the movable adjusting slide block 5 to penetrate into the movable adjusting slide block 5 and is abutted against the movable adjusting slide block 5, a rotating shaft is arranged on the top surface of the movable adjusting slide block 5, one end of a slide rail 7 with scales is rotatably sleeved on the rotating shaft, the inside of the slide rail 7 with scales is hollow, a movable measuring rod 8 is inserted in the hollow slide rail 7, and a semicircular measuring rod end part jacking block 9 is arranged at the exposed end part of the movable measuring rod 8; the middle part of the sliding rail 7 with the scales is provided with a sliding groove along the length direction, the sliding groove enables a movable measuring rod 8 inside the sliding groove to expose a part of rod body, a fixed pencil clamp 10 is arranged on the part exposed rod body, the fixed pencil clamp 10 is used for clamping a pencil, the detachable drawing board 11 is located in the center of the bottom of the rod support outer sleeve rod 1, and the detachable connection is realized through magnetic attraction or sticking between the rod support outer sleeve rod 1.
The device simplifies the measuring process of the ovality of the inner diameter of the large-diameter steel pipe, the measuring data of the device is accurate, and the measuring error can be read in real time through the scales; through the detachable drawing board, the visual record of the measured data can be realized, and the recorded circular tube track covers the radius values of all angles. Meanwhile, the device has small volume, is convenient to assemble, and has the advantages of wide measurement range and convenience in carrying and use.
Claims (1)
1. A measuring device for the ovality of the inner diameter of a large-diameter steel pipe; the method is characterized in that: comprises a circular tube inner diameter bar support part, a slide rail with scales, a measuring bar part and a detachable drawing board (11); wherein, the rod support part of the inner diameter of the circular tube comprises a rod support outer sleeve rod (1), a movable adjusting rod (2), a fastening knob (3) and a strip-shaped rod support jacking block (4); the scale-equipped slide rail and measuring rod part comprises a movable adjusting slide block (5), a fastening knob (6), a scale-equipped slide rail (7), a movable measuring rod (8), a semicircular measuring rod end part jacking block (9), a fixed pencil clamp (10) and a detachable drawing board (11), wherein two movable adjusting rods (2) are respectively arranged in two ends of a rod support outer sleeve rod (1) in a penetrating manner, the fastening knob (3) is arranged on the side part of the rod support outer sleeve rod (1), the fastening knob (3) penetrates through the side wall of the rod support outer sleeve rod to penetrate into the rod support outer sleeve rod and abut against the adjustable movable adjusting rod (2), and a strip-shaped rod support jacking block (4) is arranged at the exposed end part of the movable adjusting rod (2); the movable adjusting slide block (5) is sleeved at the middle part of the rod support outer sleeve rod (1), a fastening knob (6) is arranged at the side part of the movable adjusting slide block (5), the fastening knob (6) penetrates through the side wall of the movable adjusting slide block (5) to penetrate into the deep period and is abutted against the movable adjusting slide block (5), a rotating shaft is arranged on the top surface of the movable adjusting slide block (5), one end of a slide rail (7) with scales is rotatably sleeved on the rotating shaft, the inside of the slide rail (7) with scales is hollow, a movable measuring rod (8) is inserted in the hollow slide rail, and a semicircular measuring rod end part jacking block (9) is arranged at the exposed end part of the movable measuring rod (8); the middle part of taking scale slide rail (7) is seted up the spout along its length direction, and this spout makes its inside activity measuring stick (8) expose a part body of rod, sets up fixed pencil anchor clamps (10) on the body of rod that this part exposes, fixed pencil anchor clamps (10) are used for the centre gripping pencil, can dismantle drawing board (11) and be located the bottom central authorities that the outer loop bar (1) was propped to with the pole prop between outer loop bar (1) through magnetism inhale or the mode of pasting realize dismantling the connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911202256.XA CN112880524A (en) | 2019-11-29 | 2019-11-29 | Major diameter steel pipe internal diameter ovality measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911202256.XA CN112880524A (en) | 2019-11-29 | 2019-11-29 | Major diameter steel pipe internal diameter ovality measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112880524A true CN112880524A (en) | 2021-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911202256.XA Pending CN112880524A (en) | 2019-11-29 | 2019-11-29 | Major diameter steel pipe internal diameter ovality measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112880524A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500461A (en) * | 2021-09-07 | 2021-10-15 | 南通雄泰铜业有限公司 | Thickness on-line measuring instrument for copper pipe production line |
| CN114061412A (en) * | 2021-11-23 | 2022-02-18 | 中国水电四局(酒泉)新能源装备有限公司 | Roundness detection device for wind power generation tower barrel |
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|---|---|---|---|---|
| JPH11108602A (en) * | 1997-09-30 | 1999-04-23 | Toshiba Corp | Out-of-roundness measuring instrument |
| JP2003148902A (en) * | 2001-11-09 | 2003-05-21 | Nsk Ltd | Measuring device for bearing housing |
| CN204881473U (en) * | 2015-04-27 | 2015-12-16 | 中国十九冶集团有限公司 | A ovality detector for pipeline |
| CN106403782A (en) * | 2016-06-23 | 2017-02-15 | 芜湖新兴铸管有限责任公司 | Detection tool for casting pipe fitting internal diameter roundness degree tolerance |
| CN107747895A (en) * | 2017-11-22 | 2018-03-02 | 中信重工机械股份有限公司 | A kind of detection means and its detection method for being used to detect revolution class cylinder roundness |
| CN207317711U (en) * | 2017-10-23 | 2018-05-04 | 南充兆庆机械制造有限公司 | A kind of plain type aluminum-alloy wheel circularity detection device |
| CN207763624U (en) * | 2017-12-24 | 2018-08-24 | 长兴陈氏量具有限公司 | A kind of measurer for measuring pipe fitting internal-and external diameter |
| CN208800933U (en) * | 2018-08-15 | 2019-04-30 | 江苏羚羊机械有限公司 | A kind of tooling detecting large-size cylinder body circularity |
| CN110220487A (en) * | 2019-05-28 | 2019-09-10 | 平高集团有限公司 | Cylinder roundness detection method and cylinder roundness measuring device |
| CN209588948U (en) * | 2019-01-29 | 2019-11-05 | 大连重型锻造有限公司 | A kind of annular forging piece roundness measurement tool |
-
2019
- 2019-11-29 CN CN201911202256.XA patent/CN112880524A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11108602A (en) * | 1997-09-30 | 1999-04-23 | Toshiba Corp | Out-of-roundness measuring instrument |
| JP2003148902A (en) * | 2001-11-09 | 2003-05-21 | Nsk Ltd | Measuring device for bearing housing |
| CN204881473U (en) * | 2015-04-27 | 2015-12-16 | 中国十九冶集团有限公司 | A ovality detector for pipeline |
| CN106403782A (en) * | 2016-06-23 | 2017-02-15 | 芜湖新兴铸管有限责任公司 | Detection tool for casting pipe fitting internal diameter roundness degree tolerance |
| CN207317711U (en) * | 2017-10-23 | 2018-05-04 | 南充兆庆机械制造有限公司 | A kind of plain type aluminum-alloy wheel circularity detection device |
| CN107747895A (en) * | 2017-11-22 | 2018-03-02 | 中信重工机械股份有限公司 | A kind of detection means and its detection method for being used to detect revolution class cylinder roundness |
| CN207763624U (en) * | 2017-12-24 | 2018-08-24 | 长兴陈氏量具有限公司 | A kind of measurer for measuring pipe fitting internal-and external diameter |
| CN208800933U (en) * | 2018-08-15 | 2019-04-30 | 江苏羚羊机械有限公司 | A kind of tooling detecting large-size cylinder body circularity |
| CN209588948U (en) * | 2019-01-29 | 2019-11-05 | 大连重型锻造有限公司 | A kind of annular forging piece roundness measurement tool |
| CN110220487A (en) * | 2019-05-28 | 2019-09-10 | 平高集团有限公司 | Cylinder roundness detection method and cylinder roundness measuring device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500461A (en) * | 2021-09-07 | 2021-10-15 | 南通雄泰铜业有限公司 | Thickness on-line measuring instrument for copper pipe production line |
| CN113500461B (en) * | 2021-09-07 | 2021-11-12 | 南通雄泰铜业有限公司 | Thickness on-line measuring instrument for copper pipe production line |
| CN114061412A (en) * | 2021-11-23 | 2022-02-18 | 中国水电四局(酒泉)新能源装备有限公司 | Roundness detection device for wind power generation tower barrel |
| CN114061412B (en) * | 2021-11-23 | 2023-08-18 | 中国水电四局(酒泉)新能源装备有限公司 | Roundness detection device for wind power generation tower barrel |
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Application publication date: 20210601 |
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| RJ01 | Rejection of invention patent application after publication |