CN103759626A - Tool for detecting pipeline inner wall straightness - Google Patents
Tool for detecting pipeline inner wall straightness Download PDFInfo
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- CN103759626A CN103759626A CN201410001521.9A CN201410001521A CN103759626A CN 103759626 A CN103759626 A CN 103759626A CN 201410001521 A CN201410001521 A CN 201410001521A CN 103759626 A CN103759626 A CN 103759626A
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- wall
- sleeve
- sleeve pipe
- linearity
- fixed seat
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to the technical field of detecting equipment, in particular to a tool for detecting pipeline inner wall straightness. The tool is used for detecting the straightness of the inner wall of a heat exchanger sleeve and detecting the straightness of inner holes of other pipelines with the outer diameter (img file = ` DDA0000452539790000011. TIF` wi = ` 334` he = ` 56` /) length within 1.1m. The tool comprises a sleeve fixing base for fixing a sleeve pipe to be detected. A sliding block is arranged on the sleeve fixing base which is arranged on a straight line guiding track through the sliding block. A base is arranged on one side of the sleeve fixing base. A measuring supporting rod is fixed on the base. The end of the measuring supporting rod extends into the sleeve pipe to be detected and is connected with a dial indicator clamping frame. A dial indicator is arranged on the dial indicator clamping frame. A measuring head of the dial indicator is slightly pressed on the inner wall of the sleeve pipe to be detected. The sleeve pipe to be detected slides on the straight line sliding track, and accordingly the straightness of the inner wall of a pipeline is detected. The tool is simple in structure and novel in design, influence of bending deforming caused by gravity is avoided through the structure and the method, and accordingly measuring is high in stability, easy and convenient.
Description
Technical field
The present invention relates to checkout equipment technical field, be specifically related to a kind of frock for pipeline inner wall Linearity surveying.
Background technology
Linearity is a kind of form tolerance of the actual straight line of restriction to ideal line variation, traditional Linearity surveying method (as ruler method, collimation method, gravitational method and straight-line method etc.) is only only applicable to the Linearity surveying of pipeline outer wall or short tube inwall, and as mechanical arm etc. because the reason such as expensive also cannot adapt to present demand.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of safe and reliable and convenient-to-running frock for pipeline inner wall Linearity surveying.
Technical matters to be solved by this invention realizes by the following technical solutions:
For a frock for pipeline inner wall Linearity surveying, be applied to the Linearity surveying of heat interchanger sleeve lining, also can be used for external diameter
, length at 1.1m with other interior pipeline endoporus Linearity surveyings, comprise a sleeve barrel fixed seat for fixing sleeve pipe to be measured, described sleeve barrel fixed seat is provided with slide block, described sleeve barrel fixed seat is arranged on line slideway by slide block, described sleeve barrel fixed seat one side is provided with pedestal, on described pedestal, be fixed with measurement support bar, the end of described measurement support bar extends in sleeve pipe to be measured and is connected with dial gauge holding frame, on described dial gauge holding frame, be provided with dial gauge, the measuring head of described dial gauge is gently pressed on the inwall of sleeve pipe to be measured, sleeve pipe to be measured slides on line slideway, thereby record the linearity of pipeline inner wall.
On described sleeve barrel fixed seat, connect balancing weight, alleviate operating personnel's burden.
The long 2000-2500mm of described line slideway, after installing, its linearity is 8-10 μ m.
Its principle be measure gauge outfit fixedly workpiece for measurement move up and down: sleeve pipe to be measured is fixed on the sleeve barrel fixed seat with slide block, sleeve barrel fixed seat with slide block is arranged on (line slideway of 2.5m is installed rear parallelism precision of walking and guaranteed at 10 μ m) on line slideway, dial gauge is fixed on the measurement support bar being fixed in frock by dial gauge holding frame, the measuring head of dial gauge is gently pressed on the inwall of sleeve pipe to be measured, sleeve pipe to be measured slides on line slideway, thereby records the linearity of pipeline inner wall.
Effect of the present invention is cost-saving as much as possible when meeting client product quality is required, and by new methods, solves an insoluble difficult problem.
The invention has the beneficial effects as follows: the present invention is simple in structure, modern design, the method for this structure and employing has been avoided the diastrophic impact being caused by gravity, so its Measurement sensibility is high, and simple and convenient.
Accompanying drawing explanation
Fig. 1 is Tooling axiom figure of the present invention;
Fig. 2 is that frock of the present invention detects front view;
Fig. 3 is that Fig. 2 A is to schematic diagram;
Fig. 4 is that Fig. 2 B is to schematic diagram;
Fig. 5 is Fig. 4 C portion enlarged drawing.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
As shown in Figure 1 and Figure 2, a kind of frock for pipeline inner wall Linearity surveying, is applied to the Linearity surveying of heat interchanger sleeve lining, also can be used for external diameter
length at 1.1m with other interior pipeline endoporus Linearity surveyings, comprise a sleeve barrel fixed seat 7 for fixing sleeve pipe to be measured, sleeve barrel fixed seat 7 is provided with slide block 5, sleeve barrel fixed seat is arranged on line slideway 6 by slide block 5, sleeve barrel fixed seat one side is provided with pedestal 8, on pedestal 8, be fixed with and measure support bar 1, the end of measuring support bar 1 extends in sleeve pipe 2 to be measured and is connected with dial gauge holding frame 3, on dial gauge holding frame 3, be provided with dial gauge 4, the measuring head of dial gauge 4 is gently pressed on the inwall of sleeve pipe 2 to be measured, sleeve pipe 2 to be measured slides on line slideway 6, thereby record the linearity of pipeline inner wall.On sleeve barrel fixed seat, connect balancing weight 9, alleviate operating personnel's burden.The long 2000-2500mm of line slideway 6, after installing, its linearity is 8-10 μ m.
As shown in Figure 3-Figure 5, its principle be measure gauge outfit fixedly workpiece for measurement move up and down: sleeve pipe 2 to be measured is fixed on the sleeve barrel fixed seat 7 with slide block 5, sleeve barrel fixed seat 7 with slide block 5 is arranged on (line slideway of 2.5m is installed rear parallelism precision of walking and guaranteed at 10 μ m) on line slideway 6, dial gauge 4 is fixed on the measurement support bar 1 being fixed in frock by dial gauge holding frame 3, the measuring head of dial gauge 4 is gently pressed on the inwall of sleeve pipe 2 to be measured, sleeve pipe 2 to be measured slides on line slideway 6, thereby records the linearity of pipeline inner wall.
In actual production, we have
* the high-accuracy pipe of 3 long 1003mm, the linearity requirement of its inwall is ± 0.07mm.According to principle of the present invention, we design and have used sleeve to detect frock, in order to detect the linearity of this high-accuracy pipe.Sleeve pipe 2 to be measured is fixed on sleeve barrel fixed seat 7, sleeve barrel fixed seat 7 is arranged on slide block 5, dial gauge 4 is fixed on the measurement support bar 1 being fixed in frock by dial gauge holding frame 3, measuring support bar 1 is fixed on frock pedestal 8, the measuring head of dial gauge 4 is gently pressed on the inwall of workpiece for measurement, sleeve pipe 2 to be measured slides on line slideway 6, thereby records the linearity of pipeline inner wall.Sleeve barrel fixed seat 7 connects balancing weight 9, alleviates operating personnel's burden, the long 2200mm of line slideway 6, after installing, its linearity is that 8 μ m(have ignored the impact of its error on straight line degree measurement).
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. for a frock for pipeline inner wall Linearity surveying, be applied to the Linearity surveying of heat interchanger sleeve lining, also can be used for external diameter
length at 1.1m with other interior pipeline endoporus Linearity surveyings, it is characterized in that: comprise a sleeve barrel fixed seat for fixing sleeve pipe to be measured, described sleeve barrel fixed seat is provided with slide block, described sleeve barrel fixed seat is arranged on line slideway by slide block, described sleeve barrel fixed seat one side is provided with pedestal, on described pedestal, be fixed with measurement support bar, the end of described measurement support bar extends in sleeve pipe to be measured and is connected with dial gauge holding frame, on described dial gauge holding frame, be provided with dial gauge, the measuring head of described dial gauge is gently pressed on the inwall of sleeve pipe to be measured, sleeve pipe to be measured slides on line slideway, thereby record the linearity of pipeline inner wall.
2. a kind of frock for pipeline inner wall Linearity surveying according to claim 1, is characterized in that: on described sleeve barrel fixed seat, connect balancing weight.
3. a kind of frock for pipeline inner wall Linearity surveying according to claim 1, is characterized in that: the long 2000-2500mm of described line slideway, after installing, its linearity is 8-10 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410001521.9A CN103759626A (en) | 2014-01-02 | 2014-01-02 | Tool for detecting pipeline inner wall straightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410001521.9A CN103759626A (en) | 2014-01-02 | 2014-01-02 | Tool for detecting pipeline inner wall straightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103759626A true CN103759626A (en) | 2014-04-30 |
Family
ID=50526902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410001521.9A Pending CN103759626A (en) | 2014-01-02 | 2014-01-02 | Tool for detecting pipeline inner wall straightness |
Country Status (1)
| Country | Link |
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| CN (1) | CN103759626A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289031A (en) * | 2016-09-13 | 2017-01-04 | 奇瑞汽车股份有限公司 | The Linearity surveying instrument of steering gear housing and detection method |
| CN108278960A (en) * | 2018-03-23 | 2018-07-13 | 中国石油天然气集团公司管材研究所 | A kind of measurement method of steel tube end part straightness measuring instrument and the measuring instrument |
| CN112815809A (en) * | 2021-01-04 | 2021-05-18 | 西安西电电力系统有限公司 | Measuring tool and measuring method for insulating pull ring of thyristor converter valve assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8079154B1 (en) * | 2007-03-26 | 2011-12-20 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus and method for measuring curvature of tubes |
| CN202485620U (en) * | 2012-02-16 | 2012-10-10 | 无锡西姆莱斯石油专用管制造有限公司 | Instrument for measuring straightness of pipe end of oil well pipe |
| CN102829704A (en) * | 2012-08-17 | 2012-12-19 | 青岛东方铁塔股份有限公司 | Simple measuring device for straightness and ellipticity of tower drum of wind tower |
| CN203687855U (en) * | 2014-01-02 | 2014-07-02 | 合肥科烨电物理设备制造有限公司 | Tool for pipe inner wall straightness detection |
-
2014
- 2014-01-02 CN CN201410001521.9A patent/CN103759626A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8079154B1 (en) * | 2007-03-26 | 2011-12-20 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus and method for measuring curvature of tubes |
| CN202485620U (en) * | 2012-02-16 | 2012-10-10 | 无锡西姆莱斯石油专用管制造有限公司 | Instrument for measuring straightness of pipe end of oil well pipe |
| CN102829704A (en) * | 2012-08-17 | 2012-12-19 | 青岛东方铁塔股份有限公司 | Simple measuring device for straightness and ellipticity of tower drum of wind tower |
| CN203687855U (en) * | 2014-01-02 | 2014-07-02 | 合肥科烨电物理设备制造有限公司 | Tool for pipe inner wall straightness detection |
Non-Patent Citations (1)
| Title |
|---|
| 许江秀: "校直长管内孔直线度的测量工具", 《机械工程师》, 31 December 1988 (1988-12-31), pages 24 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289031A (en) * | 2016-09-13 | 2017-01-04 | 奇瑞汽车股份有限公司 | The Linearity surveying instrument of steering gear housing and detection method |
| CN108278960A (en) * | 2018-03-23 | 2018-07-13 | 中国石油天然气集团公司管材研究所 | A kind of measurement method of steel tube end part straightness measuring instrument and the measuring instrument |
| CN112815809A (en) * | 2021-01-04 | 2021-05-18 | 西安西电电力系统有限公司 | Measuring tool and measuring method for insulating pull ring of thyristor converter valve assembly |
| CN112815809B (en) * | 2021-01-04 | 2023-05-26 | 西安西电电力系统有限公司 | Measuring tool and measuring method for insulating pull ring of thyristor converter valve assembly |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20140430 |