CN111059991A - Whole-process detection recorder for ovality of steel pipe in marine petroleum engineering structure - Google Patents
Whole-process detection recorder for ovality of steel pipe in marine petroleum engineering structure Download PDFInfo
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- CN111059991A CN111059991A CN202010033062.8A CN202010033062A CN111059991A CN 111059991 A CN111059991 A CN 111059991A CN 202010033062 A CN202010033062 A CN 202010033062A CN 111059991 A CN111059991 A CN 111059991A
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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
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Abstract
The invention discloses a full-process detection recorder for ovality of a steel pipe of an offshore oil engineering structure, which comprises: the detection assembly comprises a radial rotating mechanism, an axial telescopic mechanism and a track pen, wherein the radial rotating mechanism is rotatably connected to the fixed frame and coaxially arranged, one end of the axial telescopic mechanism is connected with the radial rotating mechanism, the axis of the axial telescopic mechanism and the axis of the radial rotating mechanism are spaced and arranged in parallel, and the other end of the axial telescopic mechanism is connected with the track pen; one end of the recording assembly is connected with the radial rotating mechanism, and the other end of the recording assembly is abutted to the track pen so as to record the detection track of the track pen in the recording assembly in the rotating process of the radial rotating mechanism. The steel pipe ovality overall-process detection recorder can rapidly complete the omission-free detection of ovality, and can automatically generate a detection record table with traceability.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to a full-process detection recorder for ovality of a steel pipe in an offshore oil engineering structure.
Background
At present, in the process of building the marine oil engineering structural steel pipe, when the end face of the structural steel pipe is inspected, the ovality needs to be detected so as to verify whether the deviation is within a standard allowable range. When the ovality is detected, a steel tape is usually used, a straight line is pulled along the end face, the ovality of 1 point position is measured at a certain distance (usually 45 degrees), and 2-4 point positions are measured on each end face. However, this measurement method has jumpiness and randomness, and belongs to a random inspection behavior, and the detection area cannot cover the whole end face of the structural steel pipe, so to some extent, there is a risk that the maximum ovality deviation value cannot be captured, and the whole measurement process cannot form a direct track measurement record, and has no traceability.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. In view of the above, the present invention needs to provide an instrument for detecting the ovality of a steel pipe in an offshore oil engineering structure in the whole process, which can quickly detect the ovality without missing and can automatically generate a detection record table with traceability.
The invention provides a full-process detection recorder for ovality of a steel pipe in an offshore oil engineering structure, which is used for detecting and recording the ovality of the steel pipe and comprises the following components: the detection device comprises a fixing frame, a detection assembly and a recording assembly, wherein the fixing frame penetrates through the axis of the steel pipe and is arranged in the steel pipe through the fixing assembly, the detection assembly comprises a radial rotating mechanism, an axial telescopic mechanism and a track pen, the radial rotating mechanism is rotatably connected to the fixing frame and coaxially arranged, one end of the axial telescopic mechanism is connected with the radial rotating mechanism, the axis of the axial telescopic mechanism and the axis of the radial rotating mechanism are spaced and parallelly arranged, and the other end of the axial telescopic mechanism is connected with the track pen; one end of the recording assembly is connected with the radial rotating mechanism, and the other end of the recording assembly is abutted to the track pen, so that in the rotating process of the radial rotating mechanism, the detection track of the track pen is recorded in the recording assembly.
According to one embodiment of the invention, the fixing assembly comprises an adjusting gear, an upper fixing ruler, a lower fixing ruler and an adsorption piece, the adjusting gear, the upper fixing ruler, the lower fixing ruler and the adsorption piece are arranged on the fixing frame, the upper fixing ruler and the lower fixing ruler are oppositely arranged on two sides of the adjusting gear and are respectively in meshed transmission with the adjusting gear, and the adsorption piece is arranged on the end faces, far away from the adjusting gear, of the upper fixing ruler and the lower fixing ruler.
According to one embodiment of the invention, the radial rotating mechanism comprises a rotating part which is rotatably connected to the fixed frame, a radial static box which is connected with the rotating part, and a radial moving box which is inserted into the radial static box, wherein rolling parts are arranged on end faces, far away from the rotating part, of the radial static box and the radial moving box, and a radial spring is arranged between the radial static box and the radial moving box.
According to one embodiment of the invention, the side wall of the radially stationary box facing the recording assembly is provided with notches.
According to one embodiment of the invention, the axial telescoping mechanism comprises an axial static box and an axial moving box inserted in the axial static box, one end of the axial static box passes through the notch and then is fixed on the radial moving box, an axial spring is arranged between the axial moving box and the axial static box, and the track pen is fixed on the end face, far away from the fixed frame, of the axial moving box.
According to one embodiment of the invention, the recording assembly comprises a track wall, one end of which is fixed to the radial rotation mechanism, and a deviation meter, which is attached to a side surface of the track wall facing the stylus, and the stylus abuts against the deviation meter.
According to an embodiment of the present invention, the rotating member is a rolling loose joint pulley sleeved on the fixed frame.
According to one embodiment of the invention, the rolling member is a rolling pulley, wherein the rolling pulley abuts against the inner wall of the steel tube.
According to one embodiment of the invention, the track wall is an L-shaped sheet.
According to one embodiment of the invention, the adsorbing member is a magnetic adsorbing block.
The invention relates to a full-process detection recorder for ovality of a steel pipe in an offshore oil engineering structure, wherein magnetic suction blocks on an upper fixed ruler and a lower fixed ruler are abutted against the inner wall of the steel pipe through adjusting gears, two rolling wheels on a radial rotating mechanism are also abutted against the inner wall of the steel pipe at the moment, the radial rotating mechanism is rotated to drive a track pen to rotate, the detection track of the track pen is recorded in a deviation table by the radial movement of the radial movement box in the radial direction, through the structural design and the use, the ovality of the end surface of the structural steel pipe can be continuously measured, the defects of contingency and randomness caused by random point selection measurement are overcome, the function of detecting the ovality in the whole process without omission is realized, the maximum deviation value of the ovality of the end face of the structural steel pipe can be detected, a deviation table can be formed in the whole measuring process and used as a measuring record and basis, and the traceability of the detection result is realized.
Drawings
FIG. 1 is a schematic structural diagram of an instrument for detecting and recording ovality of a steel pipe in an offshore oil engineering structure in the whole process.
Fig. 2 is a schematic view of the structure in the direction B-B in fig. 1.
Fig. 3 is a schematic view of the structure in the direction of a-a in fig. 1.
Fig. 4 is a schematic view of the structure in the direction C-C in fig. 1.
Reference numerals: 1-a fixed mount; 2-a detection component; 3-a recording component; 4-a fixation assembly; 21-a radial rotation mechanism; 22-axial telescoping mechanism; 23-a stylus; 31-a track wall; 32-deviation table; 41-adjusting gear; 42-upper fixed ruler; 43-lower fixed ruler; 44-a suction member; 211-a rotating member; 212-radial static case; 213-radial movement box; 214-rolling elements; 215-radial spring; 221-axial static case; 222-an axial displacement box; 223-an axial spring; 311-scale line; 321-upper parallel lines; 322-lower parallel lines.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1 to 4, an instrument for detecting and recording ovality of steel pipes in marine oil engineering structure in the whole process comprises: the detection device comprises a fixed frame 1, a detection assembly 2 and a recording assembly 3, wherein the fixed frame 1 penetrates through the axis of a steel pipe and is arranged in the steel pipe through a fixed assembly 4, the detection assembly 2 comprises a radial rotating mechanism 21, an axial telescopic mechanism 22 and a track pen 23, the radial rotating mechanism 21 is rotatably connected to the fixed frame 1 and is coaxially arranged with the fixed frame 1, one end of the axial telescopic mechanism 22 is connected with the radial rotating mechanism 21, the axis of the axial telescopic mechanism 22 is spaced from and parallel to the axis of the radial rotating mechanism 21, and the other end of the axial telescopic mechanism 22 is connected with the track pen 23; one end of the recording unit 3 is connected to the radial rotation mechanism 21, and the other end is abutted against the stylus pen 23, so that the detection track of the stylus pen 23 is recorded in the recording unit 3 during the rotation of the radial rotation mechanism 21.
The invention relates to a marine oil engineering structure steel pipe ovality overall process detection recorder, wherein magnetic suction blocks on an upper fixed ruler 42 and a lower fixed ruler 43 are abutted against the inner wall of a steel pipe through an adjusting gear 41, at the moment, two rolling wheels on a radial rotating mechanism 21 are also abutted against the inner wall of the steel pipe, the radial rotating mechanism 21 is rotated to drive a track pen 23 to rotate, a radial moving box 213 moves in the radial direction to record a detection track of the track pen 23 in a deviation table 32, through the structural design and the use, the ovality of the end surface of the structure steel pipe can be continuously measured, the defects of contingency and randomness caused by random point selection measurement are overcome, the function of carrying out overall process non-omission detection on ovality is realized, the maximum deviation value of the ovality of the end surface of the structure steel pipe can be detected, a deviation table 32 can be formed in the entire measuring process and used as a measurement record and basis, the traceability of the detection result is realized.
As shown in fig. 1 and 2, the fixing assembly 4 includes an adjusting gear 41, an upper fixing ruler 42, a lower fixing ruler 43 and an adsorbing member 44, which are disposed on the fixing frame 1, the upper fixing ruler 42 and the lower fixing ruler 43 are disposed at two sides of the adjusting gear 41, and are respectively engaged with the adjusting gear 41 for transmission, an adsorbing member 44 is disposed on the end surface of the upper fixing ruler 42 and the end surface of the lower fixing ruler 43 away from the adjusting gear 41, wherein the adsorbing member 44 is a magnetic adsorbing block, the center distance from each magnetic adsorbing block to the center of the adjusting gear 41 is equal, the adjusting gear 41 is rotated clockwise, the upper fixing ruler 42 and the lower fixing ruler 43 perform back-to-back movement with equal distance, and the center of the adjusting gear 41 and the axis steel pipe are always kept on the same straight line, and then the magnetic adsorbing blocks on the respective end surfaces are driven to adsorb on the inner wall of the steel pipe, thereby completing the primary fixing of the recorder, which is convenient, the upper fixed ruler 42 and the lower fixed ruler 44 move back and forth at equal intervals, so that the magnetic attraction blocks are driven to be separated from the inner wall of the steel pipe.
As shown in fig. 1 and fig. 3, the radial rotation mechanism 21 includes a rotation component 211 rotatably connected to the fixed frame 1, a radial static box 212 connected to the rotation component 211, and a radial moving box 213 inserted into the radial static box 212, where the rotation component 211 is a rolling loose-joint pulley sleeved on the fixed frame 1, so as to facilitate the rotation of the detection assembly 2, where both end surfaces of the radial static box 212 and the radial moving box 211 away from the rotation component 211 are provided with a rolling component 214, the rolling component 214 is a rolling pulley, where the rolling pulley abuts against an inner wall of a steel pipe, and a radial spring 215 is provided between the radial static box 212 and the radial moving box 213, it should be understood that when the ellipticity of the steel pipe changes, the rolling pulley on the radial moving box 213 can make telescopic movement in a radial direction through the radial spring 215 during the rotation process, and then drives the trajectory pen 23 to generate a detection record of up-and-down sliding on, i.e., the ovality deviation curve, after the detection is completed, the technician can obtain the deviation value of the maximum ovality by reading the curve retained on the deviation table 32.
As shown in fig. 1 and 3, the side wall of the radial static chamber 212 facing the recording unit 3 is provided with notches; the axial telescoping mechanism 22 comprises an axial static box 221 and an axial moving box 222 inserted in the axial static box 221, one end of the axial static box 221 penetrates through the notch and then is fixed on the radial moving box 213 and can move along with the radial moving box 213, an axial spring 223 is arranged between the axial moving box 222 and the axial static box 221, wherein the track pen 23 is fixed on the end face, far away from the fixed frame 1, of the axial moving box 222, and the axial spring 223 can ensure that the track pen 23 can be always abutted against the surface of the deviation meter 32 in the detection process, so that the accuracy of the detection process is improved.
As shown in fig. 1 and 4, the recording unit 3 includes a track wall 31 and a deviation table 32, the track wall 31 is an L-shaped plate, wherein one end of the track wall 31 is fixed on the radial rotating mechanism 21, the deviation meter 32 is attached on the side surface of the track wall 31 facing to the track pen 23, and the track pen 23 is abutted with the deviation meter 32, it should be understood that one end of the track wall 31 is fixed on the radial static box 212 and rotates along the axis of the steel pipe along with the latter, the deviation meter 32 is printed with scale marks 311, and is fixed and laid on the surface of the track wall 31 in a sticking way, the scale lines 311 are parallel to the upper parallel lines 321 and the lower parallel lines 322 on the surface of the track wall 31, the deviation table 32 is used for recording the detection track of the track pen 23 in the detection process, and the deviation table 32 can be formed in the whole measurement process and used as the measurement record and basis, so that the traceability of the detection result is realized.
As shown in fig. 1 to 4, the specific using and operating steps of the instrument for detecting and recording the ovality of the steel pipe in the offshore oil engineering structure in the whole process are as follows:
firstly, tiling and fixing the deviation table 32 on the track wall 31, and keeping the scale mark 311 on the deviation table 32 parallel to the upper parallel line 321 and the lower parallel line 322 printed on the surface of the track wall 31;
secondly, clockwise rotating the adjusting gear 41 to enable the two magnetic attraction blocks to pass through the axis of the steel pipe and respectively cling to the inner wall surface of the steel pipe and be fixed, at the moment, respectively cling to the inner wall surface of the steel pipe by a rolling pulley on the radial static box 212 and a rolling pulley on the radial moving box 213, and enabling the track pen 23 to abut against the surface of the deviation meter 32;
thirdly, rotating the radial rotating mechanism 21 by hand to enable the rolling loose joint pulley to start from 0 degrees along the fixed frame 1 and rotate to a position of 180 degrees, wherein in the rotating process of the radial rotating mechanism 21, the rolling pulley on the radial static box 212 and the rolling pulley on the radial moving box 213 freely slide along the surface of the inner wall of the steel pipe and drive the track pen 23 to generate a detection track of up-and-down sliding on the surface of the deviation meter 32;
and a fourth step of reading the maximum ovality deviation value and saving the deviation table 32 according to the trajectory diagram formed on the deviation table 32.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. The utility model provides an ocean oil engineering structure steel pipe ovality overall process detects record appearance for detect and take notes the steel pipe ovality, it includes: the detection device comprises a fixing frame, a detection assembly and a recording assembly, wherein the fixing frame penetrates through the axis of a steel pipe and is arranged in the steel pipe through the fixing assembly; one end of the recording assembly is connected with the radial rotating mechanism, and the other end of the recording assembly is abutted to the track pen, so that in the rotating process of the radial rotating mechanism, the detection track of the track pen is recorded in the recording assembly.
2. The marine oil engineering structure steel pipe ovality overall process detection recorder of claim 1, wherein the fixing assembly comprises an adjusting gear, an upper fixing ruler, a lower fixing ruler and an adsorption piece, the adjusting gear, the upper fixing ruler, the lower fixing ruler and the adsorption piece are arranged on the fixing frame, the upper fixing ruler and the lower fixing ruler are oppositely arranged on two sides of the adjusting gear and are respectively in meshed transmission with the adjusting gear, and the adsorption piece is arranged on end faces, far away from the adjusting gear, of the upper fixing ruler and the lower fixing ruler.
3. The marine oil engineering structure steel pipe ovality overall process detection recorder of claim 1, wherein the radial rotating mechanism comprises a rotating member rotatably connected to the fixed frame, a radial stationary box connected to the rotating member, and a radial moving box inserted into the radial stationary box, wherein rolling members are disposed on end faces of both the radial stationary box and the radial moving box, which are far away from the rotating member, and a radial spring is disposed between the radial stationary box and the radial moving box.
4. The marine oil engineering structure steel pipe ovality overall process detection recorder of claim 3, wherein a notch is formed in a side wall of the radial static tank facing the recording assembly.
5. The marine oil engineering structure steel pipe ovality overall process detection recorder of claim 4, wherein the axial telescoping mechanism comprises an axial stationary box and an axial moving box inserted in the axial stationary box, one end of the axial stationary box passes through the notch and then is fixed on the radial moving box, an axial spring is arranged between the axial moving box and the axial stationary box, and the track pen is fixed on the end face of the axial moving box far away from the fixing frame.
6. The marine oil engineering structure steel pipe ovality overall process detection recorder of claim 1, wherein the recording assembly comprises a track wall and a deviation meter, one end of the track wall is fixed on the radial rotating mechanism, the deviation meter is attached to the side surface of the track wall facing one side of the track pen, and the track pen is abutted to the deviation meter.
7. The marine oil engineering structure steel pipe ovality overall process detection recorder of claim 3, wherein the rotating member is a rolling loose joint pulley sleeved on the fixed frame.
8. The marine oil engineering structure steel pipe ovality overall process detection recorder as claimed in claim 3, wherein the rolling member is a rolling pulley, wherein the rolling pulley abuts against the inner wall of the steel pipe.
9. The marine oil engineering structure steel pipe ovality overall process detection recorder of claim 6, wherein the track wall is an L-shaped plate.
10. The marine oil engineering structure steel pipe ovality overall process detection recorder of claim 2, wherein the adsorption piece is a magnetic adsorption block.
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| CN202010033062.8A CN111059991B (en) | 2020-01-13 | 2020-01-13 | Whole-process detection recorder for ovality of steel pipe in marine petroleum engineering structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111854580A (en) * | 2020-06-10 | 2020-10-30 | 海洋石油工程股份有限公司 | Whole-process detection recorder for straightness of steel structure in offshore oil engineering |
| CN111981936A (en) * | 2020-08-31 | 2020-11-24 | 东风汽车集团有限公司 | Quick measurement record instrument of car body sheet metal structure characteristic |
| CN117470058A (en) * | 2023-12-26 | 2024-01-30 | 沧州中星石油器材有限公司 | Upsetting intraductal transition zone measuring apparatu |
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