CN116839455A - Detection method for measuring roundness of large-caliber circular pipeline - Google Patents
Detection method for measuring roundness of large-caliber circular pipeline Download PDFInfo
- Publication number
- CN116839455A CN116839455A CN202310762109.8A CN202310762109A CN116839455A CN 116839455 A CN116839455 A CN 116839455A CN 202310762109 A CN202310762109 A CN 202310762109A CN 116839455 A CN116839455 A CN 116839455A
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- circular pipeline
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- wall
- roundness
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- 238000001514 detection method Methods 0.000 title claims abstract description 63
- 230000002457 bidirectional effect Effects 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 239000004429 Calibre Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a detection method for measuring roundness of a large-caliber circular pipeline, which relates to the technical field of pipeline detection and comprises a support column, wherein a first disc is fixedly arranged at the lower end of the support column, detection heads are fixedly arranged on the lower surface of the first disc, a plurality of infrared detection heads are equidistantly arranged on the side surfaces of the detection heads, a positioning component for positioning the device is arranged in the middle of the support column, and a telescopic support component is arranged in the middle of the support column.
Description
Technical Field
The invention relates to the technical field of pipeline detection, in particular to a detection method for measuring roundness of a large-caliber circular pipeline.
Background
The roundness refers to the degree that the cross section of a workpiece is close to a theoretical circle, when the difference between the maximum radius and the minimum radius is 0, the roundness is 0, after the pipeline machining is finished, the quality of the pipeline is guaranteed, various detection needs to be carried out on the pipeline, pipeline roundness detection is one of pipeline detection, at present, when the roundness detection is carried out on the inner wall of the pipeline, the detection is inconvenient for detecting pipelines with different specifications, and the detection head cannot be located at the exact center position of the pipeline in the pipeline, so that the detection structure can be influenced.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a method for detecting the roundness of a large-caliber circular pipeline, which solves the problems that the detection of pipelines with different specifications is inconvenient when the roundness of the inner wall of the pipeline is detected at present, and a detection head cannot be positioned at the exact center position of the pipeline in the pipeline, so that the detection structure is influenced.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a detection device of circular pipeline measurement circularity of heavy-calibre, includes the support column, support column lower extreme fixed mounting has first disc, fixed surface installs the detection head under the first disc, it is provided with a plurality of infrared detection heads to detect head side equidistance, the support column middle part is provided with the locating component who carries out the location to this device, the support column middle part is provided with flexible supporting component.
Preferably, a turntable is fixedly arranged in the middle of one end of the support column.
Preferably, the telescopic support assembly comprises a through hole, and the middle part of the support column is provided with the through hole in a penetrating way.
Preferably, a sliding column is slidably arranged in the middle of the through hole, and a pulling disc is fixedly arranged at the upper end of the sliding column.
Preferably, the inner wall of the through hole is provided with internal threads, the side surfaces of the two ends of the sliding column are respectively provided with external threads, and the external threads are in meshed connection with the internal threads.
Preferably, the positioning assembly comprises two-way threads, two-way threads are arranged on the side surfaces of two ends of the supporting column, and two screw rod threaded sleeves are sleeved in the middle of the two-way threads.
Preferably, a plurality of first mounting grooves are formed in the two screw rod threaded sleeves in a penetrating mode, first rotating shafts are rotatably mounted between inner walls of two sides of each first mounting groove, connecting rods are mounted on the side faces of the first rotating shafts, and connecting discs are mounted between the connecting rods.
Preferably, the middle part of the connecting disc is penetrated and provided with a second mounting groove, two second rotating shafts are rotatably arranged between the inner walls of the two sides of the second mounting groove, two connecting rods are arranged on the side faces of the second rotating shafts, one side of the connecting disc is provided with a third mounting groove, and idler wheels are rotatably arranged between the inner walls of the two sides of the third mounting groove.
Preferably, a second disc is fixedly arranged at the lower end of the middle part of the support column, a guide rod is fixedly arranged between the first disc and the second disc, and the guide rod slides through the screw rod threaded sleeve.
Preferably, the specific operation steps are as follows;
s1, performing S1; the circular pipeline after processing is placed on a proper position, the circular pipeline is fixed through the fixing clamp, the condition that the position of the circular pipeline deviates when detecting can be prevented, and the detection efficiency is affected.
S2, performing S2; at this time, the support column is arranged in the middle of the circular pipeline, a worker holds the first disc by one hand at this time, rotates the rotary disc by the other hand, and makes two screw rod threaded sleeves move towards one side close to each other in the middle of the bidirectional thread, so that a plurality of connecting rods can overturn towards one end far away from the support column at this time, and a plurality of connecting discs can be outwards moved simultaneously at this time, and a plurality of connecting discs can be attached to the inner wall of the circular pipeline at this time.
S3, performing S3; the support column can be located in the middle of the circular pipeline, the detection head and the infrared detection head can be located at the center of the circular pipeline, the detection head and the infrared detection head work at the moment, and the roundness of the circular pipeline can be detected at the moment.
S4, performing S4; when detecting the position that needs to be specific to the inner wall of circular pipeline, laminating at circular pipeline inner wall at the connection pad, the gyro wheel can laminate simultaneously on circular pipeline inner wall, rotate the slide column through the work this moment, make the external screw thread and the internal thread of slide column one end break away from and be connected, just can make the slide column slide out from the support column middle part this moment, the external screw thread with the slide column other end removes the position of internal screw thread, rotate the slide column and make the external screw thread remove internal screw thread meshing connection this moment, just can link together the slide column and support column this moment, promote the slide column and just can promote the gyro wheel simultaneously and remove on circular pipeline inner wall this moment, just can detect the inner wall other part of circular pipeline this moment.
The invention provides a detection method for measuring roundness of a large-caliber circular pipeline. The beneficial effects are as follows:
1. the support column is arranged in the middle of a circular pipeline, a first disc is held by one hand of a worker, the rotating turntable is rotated by the other hand, two screw rod threaded sleeves move towards one side close to each other in the middle of the bidirectional threads, a plurality of connecting rods can be turned towards one end far away from the support column, a plurality of connecting discs can be outwards moved simultaneously, the connecting discs can be attached to the inner wall of the circular pipeline, the support column can be positioned in the middle of the circular pipeline, the detection head and the infrared detection head can be positioned in the center of the circular pipeline, the detection head and the infrared detection head work at the moment, the roundness of the circular pipeline can be detected, the circular pipeline with different specifications can be detected by the device, the detection head can be positioned in the center of the circular pipeline, and the detection efficiency can be guaranteed.
2. When detecting the position that needs to be specific to the inner wall of circular pipeline, laminating at circular pipeline inner wall at the connection pad, the gyro wheel can laminate simultaneously on circular pipeline inner wall, rotate the slide column through the work this moment, make the external screw thread and the internal thread of slide column one end break away from and be connected, just can make the slide column slide out from the support column middle part this moment, the external screw thread with the slide column other end removes the position of internal screw thread, rotate the slide column and make the external screw thread remove internal screw thread meshing connection this moment, just can link together the slide column and support column this moment, promote the slide column and just can promote the gyro wheel simultaneously and remove on circular pipeline inner wall this moment, just can detect the inner wall other part of circular pipeline this moment.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the overall side view internal structure of the present invention;
FIG. 3 is a schematic view of the structure of the screw rod insert in the invention;
FIG. 4 is a schematic diagram of the front view of the connecting disc in the present invention;
FIG. 5 is a schematic view of a support column according to the present invention;
fig. 6 is a schematic diagram of a strut structure according to the present invention.
1, supporting columns; 2. a telescoping support assembly; 201. a pulling disc; 202. a through hole; 203. an internal thread; 204. a spool; 205. an external thread; 3. a turntable; 4. a first disc; 5. a guide rod; 6. a positioning assembly; 601. a screw rod threaded sleeve; 602. a connecting rod; 603. a connecting disc; 604. a bi-directional thread; 605. a first mounting groove; 606. a first rotating shaft; 607. a second mounting groove; 608. a second rotating shaft; 609. a third mounting groove; 610. a roller; 7. a second disc; 8. a detection head; 9. an infrared detection head.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and 2, the embodiment of the invention provides a detection device for measuring roundness of a large-caliber circular pipeline, which comprises a support column 1, wherein a first disc 4 is fixedly arranged at the lower end of the support column 1, detection heads 8 are fixedly arranged on the lower surface of the first disc 4, a plurality of infrared detection heads 9 are equidistantly arranged on the side surfaces of the detection heads 8, a positioning assembly 6 for positioning the device is arranged in the middle of the support column 1, and a telescopic support assembly 2 is arranged in the middle of the support column 1.
As shown in fig. 1, a turntable 3 is fixedly installed in the middle of one end of the supporting column 1.
As shown in fig. 2, 5 and 6, the telescopic support assembly 2 includes a through hole 202, the middle part of the support column 1 is penetrated and provided with the through hole 202, the middle part of the through hole 202 is slidably provided with a slide column 204, the upper end of the slide column 204 is fixedly provided with a pull disc 201, the inner wall of the through hole 202 is provided with an internal thread 203, the side surfaces of two ends of the slide column 204 are respectively provided with an external thread 205, the external thread 205 is in meshed connection with the internal thread 203, the connecting disc 603 is attached to the inner wall of a circular pipeline, the roller 610 is attached to the inner wall of the circular pipeline at the same time, the slide column 204 is rotated by working, the external thread 205 at one end of the slide column 204 is disconnected with the internal thread 203, and because the middle part of the support column 1 is penetrated and provided with the through hole 202, the slide column 204 is slidably mounted in the middle part of the through hole 202, the upper end of the slide column 204 is fixedly provided with the pull disc 201, at the inner wall of the through hole 202 is provided with the internal thread 203, at the same time, the two end sides of the slide column 204 are respectively provided with the external thread 205, the external thread 205 is in meshed connection with the internal thread 203, the external thread 205 can slide column 204 is enabled to slide out from the middle part of the support column 204, at the time, the inner wall of the support column 204 is moved to the position of the external thread 205 at the inner thread 203, which is simultaneously, and the external thread 205 is pushed to the inner wall of the circular pipeline, and can be simultaneously meshed with the internal thread 203.
As shown in fig. 2, 3, 4, 5, the positioning assembly 6 includes a bidirectional screw 604, two bidirectional screw threads 604 are provided on two end sides of the support column 1, two screw bolts 601 are sleeved in the middle of the bidirectional screw threads 604, a plurality of first mounting grooves 605 are provided on the two screw bolts 601 in a penetrating manner, a first rotating shaft 606 is rotatably mounted between two inner walls of the first mounting grooves 605, a connecting rod 602 is provided on each side of the first rotating shaft 606, a connecting disc 603 is mounted between the connecting rods 602, a second mounting groove 607 is provided in the middle of the connecting disc 603 in a penetrating manner, two second rotating shafts 608 are rotatably mounted between two inner walls of the second mounting groove 607, two connecting rods 602 are provided on the side of the second rotating shaft 608, a third mounting groove 609 is provided on one side of the connecting disc 603, a roller 610 is rotatably mounted between two inner walls of the third mounting groove 609, the lower end of the middle part of the support column 1 is fixedly provided with a second disc 7, a guide rod 5 is fixedly arranged between the first disc 4 and the second disc 7, the guide rod 5 passes through a screw rod screw sleeve 601 in a sliding way, the support column 1 is arranged in the middle part of a circular pipeline, at the moment, a worker holds the first disc 4 by one hand and rotates the rotary disc 3 by the other hand, so that the two screw rod screw sleeves 601 move towards one surface close to each other in the middle part of a bidirectional thread 604, and because the side surfaces of the two ends of the support column 1 are provided with the bidirectional thread 604, the middle part of the bidirectional thread 604 is sleeved with the two screw rod screw sleeves 601, a plurality of first mounting grooves 605 are respectively formed in the two screw rod screw sleeves 601 in a penetrating way, a first rotary shaft 606 is rotatably arranged between the inner walls of the two sides of each first mounting groove 605, a connecting rod 602 is respectively arranged on the side surface of each first rotary shaft 606, install connection pad 603 between the connecting rod 602, the connection pad 603 middle part has run through and has been seted up second mounting groove 607, rotate between the inner wall of second mounting groove 607 both sides and install two second pivots 608, two connecting rod 602 all set up in second pivot 608 side, third mounting groove 609 has been seted up to connection pad 603 one side, rotate between the inner wall of third mounting groove 609 both sides and install gyro wheel 610, support column 1 middle part lower extreme fixed has second disc 7, fixed mounting has guide bar 5 between first disc 4 and the second disc 7, guide bar 5 slip passes lead screw swivel nut 601, just can make a plurality of connecting rods 602 overturn to the one end that keeps away from support column 1 this moment, just can make a plurality of connection pads 603 outwards remove simultaneously this moment, just can laminate a plurality of connection pads 603 on circular pipeline inner wall this moment, make support column 1 can be located circular pipeline centre, just can make detection head 8 and infrared detection head 9 be located circular pipeline central point position this moment, carries out work through detection head 8 and infrared detection head 9, just can detect the pipeline this moment.
The method for detecting the roundness of the large-caliber circular pipeline comprises the following specific operation steps of;
s1, performing S1; the circular pipeline after processing is placed on a proper position, the circular pipeline is fixed through the fixing clamp, the condition that the position of the circular pipeline deviates when detecting can be prevented, and the detection efficiency is affected.
S2, performing S2; at this time, the support column 1 is arranged in the middle of the circular pipeline, a worker holds the first disc 4 by one hand at this time, rotates the rotary disc 3 by the other hand, moves the two screw rod threaded sleeves 601 towards the side close to each other at the middle of the bidirectional threads 604, can turn over the plurality of connecting rods 602 towards the end far away from the support column 1 at this time, can simultaneously move the plurality of connecting discs 603 outwards at this time, and can attach the plurality of connecting discs 603 to the inner wall of the circular pipeline at this time.
S3, performing S3; the support column 1 can be positioned in the middle of the circular pipeline, the detection head 8 and the infrared detection head 9 can be positioned at the center of the circular pipeline, the detection head 8 and the infrared detection head 9 work at the moment, and the roundness of the circular pipeline can be detected at the moment.
S4, performing S4; when the position of the inner wall of the circular pipeline is detected, the connecting disc 603 is attached to the inner wall of the circular pipeline, the roller 610 is attached to the inner wall of the circular pipeline at the same time, the sliding column 204 is rotated by working, the external thread 205 at one end of the sliding column 204 is disconnected with the internal thread 203, the sliding column 204 can slide out of the middle of the supporting column 1, the external thread 205 at the other end of the sliding column 204 is moved to the position of the internal thread 203, the sliding column 204 is rotated to enable the external thread 205 to move to the internal thread 203 to be in meshed connection, the sliding column 204 and the supporting column 1 can be connected together, the roller 610 can be pushed to move on the inner wall of the circular pipeline at the same time by pushing the sliding column 204, and the other parts of the inner wall of the circular pipeline can be detected at the same time.
Working principle: the support column 1 is arranged in the middle of a circular pipeline, a worker holds the first disc 4 by one hand at the moment, rotates the rotary disc 3 by the other hand, moves the two screw thread sleeves 601 towards the side close to each other in the middle of the bidirectional thread 604, and because the bidirectional thread 604 is arranged on the side surfaces of the two ends of the support column 1, the two screw thread sleeves 601 are sleeved in the middle of the bidirectional thread 604, a plurality of first mounting grooves 605 are respectively formed on the two screw thread sleeves 601 in a penetrating way, a first rotating shaft 606 is rotatably arranged between the inner walls of the two sides of each first mounting groove 605, a connecting rod 602 is respectively arranged on the side surface of each first rotating shaft 606, a connecting disc 603 is arranged between the connecting rods 602, a second mounting groove 607 is arranged in the middle of the connecting disc 603 in a penetrating way, two second rotating shafts 608 are rotatably arranged between the inner walls of the two sides of the second mounting groove 607, the two connecting rods 608 are respectively arranged on the side surfaces of the second rotating shafts, a third mounting groove 609 is formed on one side of the connecting disc 603, a roller 610 is rotatably mounted between inner walls of two sides of the third mounting groove 609, a second disc 7 is fixedly mounted at the lower end of the middle of the supporting column 1, a guide rod 5 is fixedly mounted between the first disc 4 and the second disc 7, the guide rod 5 slides through the screw rod screw sleeve 601, at the moment, a plurality of connecting rods 602 can turn over towards one end far away from the supporting column 1, at the moment, a plurality of connecting discs 603 can move outwards simultaneously, at the moment, a plurality of connecting discs 603 can be attached to the inner wall of a circular pipeline, the supporting column 1 can be positioned in the middle of the circular pipeline, at the moment, a detection head 8 and an infrared detection head 9 can be positioned at the center of the circular pipeline, at the moment, the roundness of the circular pipeline can be detected through the detection head 8 and the infrared detection head 9, at the moment, the connecting discs 603 are attached to the inner wall of the circular pipeline, the roller 610 is simultaneously attached to the inner wall of the circular pipe, the sliding column 204 is rotated by working at this time, so that the external thread 205 at one end of the sliding column 204 is disconnected from the internal thread 203, and because the middle part of the supporting column 1 is penetrated and provided with the through hole 202, the sliding column 204 is slidingly mounted in the middle part of the through hole 202, the pull disc 201 is fixedly mounted at the upper end of the sliding column 204, the internal thread 203 is arranged on the inner wall of the through hole 202, the external thread 205 is meshed with the internal thread 203, the sliding column 204 can slide out of the middle part of the supporting column 1, the external thread 205 at the other end of the sliding column 204 is moved to the position of the internal thread 203, at this time, the sliding column 204 can be connected with the supporting column 1 by rotating the sliding column 204, at this time, the roller 610 can be simultaneously pushed to move on the inner wall of the circular pipe by pushing the sliding column 204, at this time, other parts of the inner wall of the circular pipe can be detected,
it should be understood that the foregoing examples of the present invention are merely illustrative of the present invention and not limiting of the embodiments of the present invention, and that various other changes and modifications can be made by those skilled in the art based on the above description, and it is not intended to be exhaustive of all of the embodiments, and all obvious changes and modifications that come within the scope of the invention are defined by the following claims.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a detection device of circular pipeline measurement circularity of heavy-calibre, includes support column (1), its characterized in that: the device is characterized in that a first disc (4) is fixedly arranged at the lower end of the supporting column (1), detection heads (8) are fixedly arranged on the lower surface of the first disc (4), a plurality of infrared detection heads (9) are arranged on the side surfaces of the detection heads (8) at equal intervals, a positioning component (6) for positioning the device is arranged in the middle of the supporting column (1), and a telescopic supporting component (2) is arranged in the middle of the supporting column (1).
2. The device for detecting roundness of a large-caliber round pipe according to claim 1, wherein: the middle part of one end of the supporting column (1) is fixedly provided with a rotary table (3).
3. The method for detecting the roundness of a large-caliber circular pipeline according to claim 1, wherein the method comprises the following steps: the telescopic support assembly (2) comprises a through hole (202), and the through hole (202) is formed in the middle of the support column (1) in a penetrating mode.
4. A large-caliber circular pipeline roundness measuring and detecting device according to claim 3, wherein: a sliding column (204) is slidably arranged in the middle of the through hole (202), and a pull disc (201) is fixedly arranged at the upper end of the sliding column (204).
5. The device for detecting roundness of a large-caliber round pipe according to claim 4, wherein: an inner thread (203) is arranged on the inner wall of the through hole (202), outer threads (205) are arranged on the side surfaces of two ends of the sliding column (204), and the outer threads (205) are meshed with the inner threads (203).
6. The device for detecting roundness of a large-caliber round pipe according to claim 5, wherein: the positioning assembly (6) comprises two-way threads (604), two-way threads (604) are arranged on the side surfaces of two ends of the supporting column (1), and two screw rod threaded sleeves (601) are sleeved in the middle of the two-way threads (604).
7. The device for detecting roundness of a large-caliber round pipe according to claim 1, wherein: a plurality of first mounting grooves (605) are formed in the two screw rod threaded sleeves (601) in a penetrating mode, first rotating shafts (606) are installed between inner walls of two sides of each first mounting groove (605) in a rotating mode, connecting rods (602) are installed on the side faces of each first rotating shaft (606), and connecting discs (603) are installed between the connecting rods (602).
8. The device for detecting roundness of a large-caliber round pipe according to claim 7, wherein: the middle part of connection pad (603) runs through and has seted up second mounting groove (607), rotate between second mounting groove (607) both sides inner wall and install two second pivot (608), two connecting rod (602) all set up in second pivot (608) side, third mounting groove (609) have been seted up to connection pad (603) one side, rotate between third mounting groove (609) both sides inner wall and install gyro wheel (610).
9. The device for detecting roundness of a large-caliber round pipe according to claim 8, wherein: the lower end of the middle part of the support column (1) is fixedly provided with a second disc (7), a guide rod (5) is fixedly arranged between the first disc (4) and the second disc (7), and the guide rod (5) slides through the screw rod threaded sleeve (601).
10. A detection method for measuring roundness of a large-caliber circular pipeline is characterized by comprising the following steps of: the specific operation steps are as follows;
s1, performing S1; the processed circular pipeline is placed at a proper position, and the circular pipeline is fixed through the fixing clamp, so that the condition that the position of the circular pipeline is deviated when the circular pipeline is detected can be prevented, and the detection efficiency is affected;
s2, performing S2; at the moment, the support column 1 is arranged in the middle of the circular pipeline, at the moment, a worker holds the first disc 4 by one hand, rotates the rotary disc 3 by the other hand, enables the two screw rod threaded sleeves 601 to move towards the surfaces close to each other at the middle of the bidirectional threads 604, enables the plurality of connecting rods 602 to turn towards one end far away from the support column 1, enables the plurality of connecting discs 603 to move outwards at the same time, and enables the plurality of connecting discs 603 to be attached to the inner wall of the circular pipeline;
s3, performing S3; the support column 1 can be positioned in the middle of the circular pipeline, the detection head 8 and the infrared detection head 9 can be positioned at the center of the circular pipeline at the moment, the detection head 8 and the infrared detection head 9 work at the moment, and the roundness of the circular pipeline can be detected at the moment;
s4, performing S4; when the position of the inner wall of the circular pipeline is detected, the connecting disc 603 is attached to the inner wall of the circular pipeline, the roller 610 is attached to the inner wall of the circular pipeline at the same time, the sliding column 204 is rotated by working, the external thread 205 at one end of the sliding column 204 is disconnected with the internal thread 203, the sliding column 204 can slide out of the middle of the supporting column 1, the external thread 205 at the other end of the sliding column 204 is moved to the position of the internal thread 203, the sliding column 204 is rotated to enable the external thread 205 to move to the internal thread 203 to be in meshed connection, the sliding column 204 and the supporting column 1 can be connected together, the roller 610 can be pushed to move on the inner wall of the circular pipeline at the same time by pushing the sliding column 204, and the other parts of the inner wall of the circular pipeline can be detected at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310762109.8A CN116839455A (en) | 2023-06-27 | 2023-06-27 | Detection method for measuring roundness of large-caliber circular pipeline |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310762109.8A CN116839455A (en) | 2023-06-27 | 2023-06-27 | Detection method for measuring roundness of large-caliber circular pipeline |
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| CN116839455A true CN116839455A (en) | 2023-10-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117367354A (en) * | 2023-12-05 | 2024-01-09 | 天津及时测控技术有限公司 | Pipeline reducing detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117367354A (en) * | 2023-12-05 | 2024-01-09 | 天津及时测控技术有限公司 | Pipeline reducing detection device |
| CN117367354B (en) * | 2023-12-05 | 2024-03-22 | 唐山市古冶燃气有限公司 | Pipeline reducing detection device |
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