CN102205298B - Detection control method for thickness of sprayed material on inner wall of pipeline - Google Patents
Detection control method for thickness of sprayed material on inner wall of pipeline Download PDFInfo
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- CN102205298B CN102205298B CN 201110143316 CN201110143316A CN102205298B CN 102205298 B CN102205298 B CN 102205298B CN 201110143316 CN201110143316 CN 201110143316 CN 201110143316 A CN201110143316 A CN 201110143316A CN 102205298 B CN102205298 B CN 102205298B
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Abstract
The invention relates to a detection control method for the thickness of a sprayed material on the inner wall of a pipeline. The detection control method comprises the steps of: 1, regulating a detection control device for the thickness of the sprayed material on the inner wall of the pipeline so that the distance from a hinge point among a first fixing arm, a second fixing arm and a rotating arm to the outer end of a fixing plate of a measuring needle is equal to a distance from the hinge point to the outer end of a scraper blade and is equal to the value obtained by dividing the difference of a diameter inside the pipeline and 2H by 2, enabling the distance from the outer end of a first fixed arm measuring needle fixing plate and the outer end of a second fixed arm measuring needle fixing plate to the front end of an adjustable measuring needle to be equal to H, wherein H is a design thickness of the sprayed material on the inner wall of the pipe; fixing the first fixed arm and the second fixed arm at a position with any diameter in the state of intersecting the first fixed arm and the second fixed arm for 180 DEG, detecting and correcting so that the thickness of the sprayed material at the diameter is equal to H; 3, rotating the rotating arm, detecting and scraping redundant sprayed material, recording a detecting result; 4, continuing spraying according to the detection result; 5, repeating the steps 3 and 4 until the thickness is qualified; and 6, taking out the detection control device. The method has the advantages of convenience for use, rapidness in detection, time and labor saving and wide application range.
Description
Technical field
The invention belongs to metallurgy industry pipe detection field, be specifically related to pipe inner-wall spraying material thickness and detect control method.
Background technology
Pipe insulation can be divided into " outside insulation " and " interior insulation " two kinds in the metallurgical system engineering.The common way of " outer insulation " is to utilize the heat-preservation cotton felt of various performances and galvanized iron sheet (or glass wool cloth) to be wrapped in pipeline outer wall, and its pipeline external thermal insulation thickness is by the THICKNESS CONTROL of heat-preservation cotton felt, and is comparatively convenient." interior insulation " is common in large-diameter pipeline; Such as various hot air ducts etc.; Its common way is to utilize air compressor machine in pipeline, to spray the coating of various performances, builds refractory brick etc. then, wherein one of key factor of the thickness effect heat-insulation layer effect of " interior insulation " spray paint quality.The detection control method of pipeline " interior insulation " spray paint thickness commonly used is at present: workmen elder generation construction experience on one's own account utilizes spray gun that spray paint is sprayed onto certain thickness; With the preprepared surveyingpin thickness at each position is measured then; Fill spray or strike off at corresponding site according to measurement result again; Repetition measurement, finishing more at last is until qualified.But it needs to prepare in advance the surveyingpin of plurality of specifications, and need measure at a plurality of positions of inner-walls of duct, and also needs finishing, repetition measurement after having detected.Therefore there is complicated, consuming time problem.
Summary of the invention
Technical problem to be solved by this invention provides a kind of pipe inner-wall spraying material thickness easy to use, that detection is quick, time saving and energy saving and detects control method.
For solving the problems of the technologies described above, the technical scheme that the present invention adopted is:
Pipe inner-wall spraying material thickness detects control method, it is characterized in that: comprise the steps:
1) prepare pipe inner-wall spraying material thickness detection control apparatus:
Described pipe inner-wall spraying material thickness detection control apparatus comprises first fixed arm, second fixed arm, turning arm, adjustable surveyingpin and scraper; One end of one end of said first fixed arm, an end of second fixed arm and turning arm is hinged by bolt; The other end of first fixed arm and second fixed arm is connected with a fixed arm length adjustment plate respectively; The surveyingpin fixed head is all installed in the end of fixed arm length adjustment plate; Adjustable surveyingpin and surveyingpin fixed head are through being threaded; Turning arm can rotate around pin joint at any angle, and the free end of turning arm is connected with turning arm length adjustment plate, and the end of turning arm length adjustment plate is installed on scraper;
According to pipe interior diameter and the requirement of pipe inner-wall spraying material design thickness; Regulate the fixed arm length adjustment plate and the turning arm length adjustment plate of pipe inner-wall spraying material thickness detection control apparatus; The pin joint that is hinged between first fixed arm, second fixed arm and the turning arm distance apart from the distance of fixed arm surveyingpin fixed head outer end and this pin joint apart from the scraper outer end is equated and equal that (the pipe interior diameter-2H)/2, H is a pipe inner-wall spraying material design thickness; Regulate the length of adjustable surveyingpin, make the distance of the first fixed arm surveyingpin fixed head outer end and the second fixed arm surveyingpin fixed head outer end to adjustable surveyingpin front end equal H;
2) first fixed arm and second fixed arm with pipe inner-wall spraying material thickness detection control apparatus intersects 180 at it
oState under be fixed in the arbitrary diameter place of inner-walls of duct; It is pipe inner-wall spraying material design thickness H that detection, finishing make the spray paint thickness at this diameter place;
3) first fixed arm, second fixed arm are fixed, and the pin joint that turning arm is hinged between first fixed arm, second fixed arm and turning arm carries out 360
oRotation, detect inner-walls of duct spray paint thickness everywhere, strike off spray paint unnecessary in the pipeline simultaneously, and the record testing result;
4) according to testing result, little corresponding the filling spray in position of pipe inner-wall spraying material thickness;
5) repeating step 3), step 4), it is qualified to detect until pipe inner-wall spraying material thickness;
6) this pipe inner-wall spraying material thickness detection control apparatus is taken out from pipeline.
Press such scheme, be respectively equipped with a locating hole on described first fixed arm of step 1) and second fixed arm, first fixed arm and second fixed arm are 180 in crossing angle
oThe time, with a fixed head it is fixed.
Press such scheme, the other end of described first fixed arm of step 1) is provided with the bar shaped chute, and fixed arm length adjustment plate is provided with corresponding bar shaped chute, and first fixed arm passes the bar shaped chute with fixed arm length adjustment plate through bolt and is connected.
Press such scheme, the other end of described second fixed arm of step 1) is provided with the bar shaped chute, and fixed arm length adjustment plate is provided with corresponding bar shaped chute, and second fixed arm passes the bar shaped chute with fixed arm length adjustment plate through bolt and is connected.
Press such scheme, the described turning arm free end of step 1) end is provided with the bar shaped chute, and turning arm length adjustment plate is provided with corresponding bar shaped chute, and turning arm passes the bar shaped chute with turning arm length adjustment plate through bolt and is connected.
Press such scheme; Said step 2) is: first fixed arm, second fixed arm and the turning arm rotation of this pipe inner-wall spraying material thickness detection control apparatus are made it overlaid; Put into pipeline then; The adjustable surveyingpin that first fixed arm or the second fixed arm surveyingpin fixed head end are linked to each other inserts in the pipe inner-wall spraying material, and contacts with inner-walls of duct, and rotating another respective fixation arm, to make first fixed arm and second fixed arm be 180 to intersecting angle
oThe fixed head that is provided with two respective aperture is placed on first fixed arm and second fixed arm; Pass positioning hole corresponding respectively with two bolts; First fixed arm and second fixed arm are fixed,, explain that then first fixed arm and second fixed arm intersect 180 at it if the adjustable surveyingpin front end that this fixed arm surveyingpin fixed head end links to each other also can contact with inner-walls of duct
oState under be positioned at the diameter place of inner-walls of duct, if not, then adjust accordingly to first fixed arm and second fixed arm and intersect 180 at it
oState under be positioned at the diameter place of inner-walls of duct;
Detect, repair the spray paint thickness of inner-walls of duct, the outer end of first fixed arm and the second fixed arm surveyingpin fixed head is all contacted with the pipe inner-wall spraying material, then the spray paint thickness at this diameter place is pipe inner-wall spraying material design thickness H.
Press such scheme, described step 3) is: first fixed arm and second fixed arm are fixed, and the pin joint that turning arm is hinged between first fixed arm, second fixed arm and turning arm carries out 360
oRotation; Detect inner-walls of duct spray paint thickness everywhere, strike off the unnecessary spray paint of inner-walls of duct simultaneously, in rotary course, observe between scraper and the spray paint whether have the gap; And carry out respective record at this place; If gapped, then show this place's spray paint thickness low LCL, and its gap length is the paint thickness that need fill spray.
Beneficial effect of the present invention:
Under the prerequisite that guarantees construction quality; This pipe inner-wall spraying material thickness detects control method and has the following advantages: 1, the pipe inner-wall spraying material thickness detection control apparatus of this method use only needs two adjustable surveyingpins; And the detection applicable to the pipeline coating thickness of plurality of specifications, multiple thickness is widely used; When 2, using, only need measure a diameter place at inner-walls of duct, all the other available everywhere scrapers carry out continuous detecting, save detection time; The material of scraping of unnecessary spray paint is handled and is detected and carry out synchronously, has saved and has scraped the time that material is handled, and has reduced the labour intensity of scraping the material processing.
Description of drawings
Fig. 1 is the sketch map of the pipe inner-wall spraying material thickness detection control apparatus of the embodiment of the invention 1.
The specific embodiment
Below in conjunction with embodiment summary of the invention of the present invention is explained further.But following examples are not limited to summary of the invention of the present invention.
Pipe inner-wall spraying material thickness detection control apparatus comprises first fixed arm, second fixed arm, turning arm, adjustable surveyingpin and scraper; One end end of first fixed arm (1), second fixed arm (2) and turning arm (3) is provided with hinge hole; And be hinged through bolt (5) at this hinge hole place; First fixed arm and second fixed arm are respectively equipped with a locating hole in the position near hinge hole, be 180 at first fixed arm and the crossing angle of second fixed arm
oThe time; One fixed head (15) is placed on first fixed arm and second fixed arm; Fixed head is provided with respectively and the first fixed arm locating hole and corresponding two holes of the second fixed arm locating hole; Pass the locating hole of first fixed arm and the respective aperture on the fixed head with bolt (4), pass another respective aperture on locating hole and the fixed head of second fixed arm with bolt (6), first fixed arm and second fixed arm are fixed; First fixed arm and second fixed arm all can adopt the lath of 8 ~ 10 millimeters thick or the steel pipe manufacturing of minor diameter; The other end end of first fixed arm and second fixed arm is provided with the bar shaped chute, and fixed arm length adjustment plate (10) is provided with corresponding bar shaped chute, and bolt (11) passes this two chutes; First fixed arm (second fixed arm) and fixed arm length adjustment plate are fixed; Through unclamping the nut on the bolt, first fixed arm (second fixed arm) and fixed arm length adjustment plate are relatively moved, fixed arm length adjustment plate can adopt the lath of 8 ~ 10 millimeters thick to make; The end of fixed arm length adjustment plate is welded with surveyingpin fixed head (9); The big face of described surveyingpin fixed head is provided with screwed hole; Described adjustable surveyingpin (7) rear end is provided with corresponding external screw thread; Regulate nut (8) through surveyingpin and be fixed on the surveyingpin fixed head, adjustable surveyingpin can use thin garden steel to do, and adjustable surveyingpin surveyingpin capable of using is regulated nut and regulated; Turning arm can rotate around hinge hole at the hinge hole place at any angle; Turning arm can adopt the lath (or steel pipe of minor diameter) of 8 ~ 10 millimeters thick to make; The free end of turning arm is provided with the bar shaped chute, and turning arm length adjustment plate (13) is provided with corresponding bar shaped chute, and bolt (14) passes this two chutes; Turning arm and turning arm length adjustment plate are fixed; Turning arm length adjustment plate can adopt the lath of 8 ~ 10 millimeters thick to make, and the end of turning arm length adjustment plate is installed on the scraper (12) that spread coated paint is used, and scraper is made with the steel plate of 10 millimeters thick.
Concrete method for using is:
1) according to pipe interior diameter and the requirement of pipe inner-wall spraying material design thickness; Regulate the fixed arm length adjustment plate and the turning arm length adjustment plate of pipe inner-wall spraying material thickness detection control apparatus; Make L1=L2=L3=(pipe interior diameter-2H)/2; H is a pipe inner-wall spraying material design thickness; As shown in the figure: L1 is the distance of the hinge hole distance first fixed arm surveyingpin fixed head outer end between first fixed arm, second fixed arm and the turning arm; L2 be hinge hole between first fixed arm, second fixed arm and the turning arm apart from the distance of the second fixed arm surveyingpin fixed head outer end, L3 is that hinge hole between first fixed arm, second fixed arm and the turning arm is apart from the distance of scraper outer end; Rotation (adjusting) adjustable surveyingpin makes the distance of the first fixed arm surveyingpin fixed head outer end and the second fixed arm surveyingpin fixed head outer end to adjustable surveyingpin front end be equal to H;
2) first fixed arm and second fixed arm with pipe inner-wall spraying material thickness detection control apparatus intersects 180 at it
oState under be fixed in the arbitrary diameter place of inner-walls of duct; It is pipe inner-wall spraying material design thickness H that detection, finishing make the spray paint thickness at this diameter place; Concrete grammar is: first fixed arm, second fixed arm and the turning arm rotation of this pipe inner-wall spraying material thickness detection control apparatus are made it overlaid; Put into pipeline then; The adjustable surveyingpin that the first fixed arm surveyingpin fixed head end is linked to each other inserts in the pipe inner-wall spraying material, and contacts with inner-walls of duct, and rotating second fixed arm, to make first fixed arm and second fixed arm be 180 to intersecting angle
oFixed head is placed on first fixed arm and second fixed arm; Fixed head is provided with respectively and the first fixed arm locating hole and corresponding two holes of the second fixed arm locating hole; Pass the locating hole of first fixed arm and the respective aperture on the fixed head with bolt (4), pass another respective aperture on locating hole and the fixed head of second fixed arm with bolt (6), first fixed arm and second fixed arm are fixed; If the adjustable surveyingpin front end that the second fixed arm surveyingpin fixed head end links to each other also can contact with inner-walls of duct, explain that then first fixed arm and second fixed arm intersect 180 at it
oState under be positioned at the diameter place of inner-walls of duct, if not, then adjust accordingly to first fixed arm and second fixed arm and intersect 180 at it
oState under be positioned at the diameter place of inner-walls of duct;
Detect, repair the spray paint thickness of inner-walls of duct, the outer end of first fixed arm and the second fixed arm surveyingpin fixed head is all contacted with the pipe inner-wall spraying material, then the spray paint thickness at this diameter place is pipe inner-wall spraying material design thickness H.Under this state, L1, L2, L3 equate and equal that (the pipe interior diameter-2H)/2, promptly the hinge hole between first fixed arm, second fixed arm and the turning arm is the center of circle of pipeline inner periphery; The length of the adjustable surveyingpin front end of outer end distance of surveyingpin fixed head is H, and the outer end of surveyingpin fixed head contacts with the spray paint of inner-walls of duct, and the front end of adjustable surveyingpin contacts with inner-walls of duct;
3) first fixed arm, second fixed arm are fixed, and the hinge hole of turning arm between first fixed arm, second fixed arm and turning arm carried out 360
oRotation; Detect inner-walls of duct spray paint thickness everywhere, strike off spray paint unnecessary in the pipeline simultaneously, in rotary course, whether have the gap between range estimation scraper and the spray paint; And carry out respective record at this place; If gapped, then show this place's spray paint thickness low LCL, and its gap length is the spray paint thickness that need fill spray;
4) according to testing result, corresponding the filling spray at the little position of spray paint thickness;
5) repeating step 3), step 4), it is qualified to detect until pipe inner-wall spraying material thickness;
6) first fixed arm, second fixed arm and the turning arm rotation with this pipe inner-wall spraying material thickness detection control apparatus makes its overlaid, then this pipe inner-wall spraying material thickness detection control apparatus taken out from pipeline.
Claims (5)
1. pipe inner-wall spraying material thickness detects control method, it is characterized in that: comprise the steps:
1) prepare pipe inner-wall spraying material thickness detection control apparatus:
Described pipe inner-wall spraying material thickness detection control apparatus comprises first fixed arm, second fixed arm, turning arm, adjustable surveyingpin and scraper; One end of one end of said first fixed arm, an end of second fixed arm and turning arm is hinged by bolt; The other end of first fixed arm and second fixed arm is connected with a fixed arm length adjustment plate respectively; The surveyingpin fixed head is all installed in the end of fixed arm length adjustment plate; Adjustable surveyingpin and surveyingpin fixed head are through being threaded; Turning arm can rotate around pin joint at any angle, and the free end of turning arm is connected with turning arm length adjustment plate, and the end of turning arm length adjustment plate is installed on scraper;
According to pipe interior diameter and the requirement of pipe inner-wall spraying material design thickness; Regulate the fixed arm length adjustment plate and the turning arm length adjustment plate of pipe inner-wall spraying material thickness detection control apparatus; Make the pin joint that is hinged between first fixed arm, second fixed arm and the turning arm respectively the distance apart from the distance of the distance of the first fixed arm surveyingpin fixed head outer end, the second fixed arm surveyingpin fixed head outer end and this pin joint apart from the scraper outer end equate and equal that (the pipe interior diameter-2H)/2, H is a pipe inner-wall spraying material design thickness; Regulate the length of adjustable surveyingpin, make the distance of the first fixed arm surveyingpin fixed head outer end and the second fixed arm surveyingpin fixed head outer end to adjustable surveyingpin front end equal H;
2) first fixed arm and second fixed arm with pipe inner-wall spraying material thickness detection control apparatus intersects 180 at it
oState under be fixed in the arbitrary diameter place of inner-walls of duct; It is pipe inner-wall spraying material design thickness H that detection, finishing make the spray paint thickness at this diameter place;
3) first fixed arm, second fixed arm are fixed, and the pin joint that turning arm is hinged between first fixed arm, second fixed arm and turning arm carries out 360
oRotation, detect inner-walls of duct spray paint thickness everywhere, strike off spray paint unnecessary in the pipeline simultaneously, and the record testing result;
4) according to testing result, little corresponding the filling spray in position of pipe inner-wall spraying material thickness;
5) repeating step 3), step 4), it is qualified to detect until pipe inner-wall spraying material thickness;
6) pipe inner-wall spraying material thickness detection control apparatus is taken out from pipeline.
2. pipe inner-wall spraying material thickness according to claim 1 detects control method, and it is characterized in that: be respectively equipped with a locating hole on described first fixed arm of step 1) and second fixed arm, first fixed arm and second fixed arm are 180 in crossing angle
oThe time, with a fixed head it is fixed.
3. pipe inner-wall spraying material thickness according to claim 1 detects control method; It is characterized in that: the other end of described first fixed arm of step 1) is provided with the bar shaped chute; Fixed arm length adjustment plate is provided with corresponding bar shaped chute, and first fixed arm passes the bar shaped chute with fixed arm length adjustment plate through bolt and is connected.
4. pipe inner-wall spraying material thickness according to claim 1 detects control method; It is characterized in that: the other end of described second fixed arm of step 1) is provided with the bar shaped chute; Fixed arm length adjustment plate is provided with corresponding bar shaped chute, and second fixed arm passes the bar shaped chute with fixed arm length adjustment plate through bolt and is connected.
5. pipe inner-wall spraying material thickness according to claim 1 detects control method; It is characterized in that: the described turning arm free end of step 1) end is provided with the bar shaped chute; Turning arm length adjustment plate is provided with corresponding bar shaped chute, and turning arm passes the bar shaped chute with turning arm length adjustment plate through bolt and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110143316 CN102205298B (en) | 2011-05-31 | 2011-05-31 | Detection control method for thickness of sprayed material on inner wall of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110143316 CN102205298B (en) | 2011-05-31 | 2011-05-31 | Detection control method for thickness of sprayed material on inner wall of pipeline |
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| CN102205298A CN102205298A (en) | 2011-10-05 |
| CN102205298B true CN102205298B (en) | 2012-12-26 |
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| CN 201110143316 Expired - Fee Related CN102205298B (en) | 2011-05-31 | 2011-05-31 | Detection control method for thickness of sprayed material on inner wall of pipeline |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103236662A (en) * | 2013-05-02 | 2013-08-07 | 枣庄矿业（集团）有限责任公司滨湖煤矿 | Four-way junction box hanging piece |
| CN104807723B (en) * | 2014-01-24 | 2018-06-15 | 立邦涂料（中国）有限公司 | The method and apparatus that a kind of polyurethane woodware coating tests sag resistance energy under working viscosity |
| CN109759285B (en) * | 2019-02-22 | 2020-11-20 | 湖北航天化学技术研究所 | Automatic blade coating system and method for inner wall coating of cylinder |
| CN110420773A (en) * | 2019-04-29 | 2019-11-08 | 中冶天工集团天津有限公司 | A kind of stove pipeline spray coating radius control device and construction method |
| CN111203684B (en) * | 2020-02-20 | 2023-08-29 | 石河子大学 | Welding clamping device for intersecting pipelines at any angle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2133366Y (en) * | 1992-09-11 | 1993-05-19 | 刘启高 | Concrete line coating machine for iron casting water pipeline |
| CN2550074Y (en) * | 2002-05-23 | 2003-05-14 | 高路 | Mortar mending lining device in small bore pipeline |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63102919A (en) * | 1986-10-17 | 1988-05-07 | Osaka Bosui Constr Co Ltd | Tube lining work in pipe and coating apparatus for carrying out said lining |
| JPH07299406A (en) * | 1994-05-10 | 1995-11-14 | Toshiba Corp | Device for coating inside surface of piping |
| JP5187683B2 (en) * | 2008-04-15 | 2013-04-24 | 株式会社東京トルネード | Pipe lining tool |
-
2011
- 2011-05-31 CN CN 201110143316 patent/CN102205298B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2133366Y (en) * | 1992-09-11 | 1993-05-19 | 刘启高 | Concrete line coating machine for iron casting water pipeline |
| CN2550074Y (en) * | 2002-05-23 | 2003-05-14 | 高路 | Mortar mending lining device in small bore pipeline |
Non-Patent Citations (3)
| Title |
|---|
| JP昭63-102919A 1988.05.07 |
| JP特开2009-254946A 2009.11.05 |
| JP特开平7-299406A 1995.11.14 |
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