CN113237443A - Detection equipment for wall thickness of nodular cast iron pipe - Google Patents
Detection equipment for wall thickness of nodular cast iron pipe Download PDFInfo
- Publication number
- CN113237443A CN113237443A CN202110377597.1A CN202110377597A CN113237443A CN 113237443 A CN113237443 A CN 113237443A CN 202110377597 A CN202110377597 A CN 202110377597A CN 113237443 A CN113237443 A CN 113237443A
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- Prior art keywords
- cast iron
- fixed
- support
- nodular cast
- wall thickness
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- 229910001141 Ductile iron Inorganic materials 0.000 title claims abstract description 47
- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 239000000523 sample Substances 0.000 claims abstract description 27
- 238000012360 testing method Methods 0.000 claims abstract description 14
- 238000005096 rolling process Methods 0.000 claims description 23
- 239000007822 coupling agent Substances 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims 2
- 239000000758 substrate Substances 0.000 claims 1
- 230000009471 action Effects 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a detection device for the wall thickness of a nodular cast iron pipe, which relates to the technical field of wall thickness detection devices and comprises a base plate, a fixing mechanism, a buffer mechanism, an ultrasonic wave test probe and an applying mechanism.
Description
Technical Field
The invention relates to the technical field of wall thickness detection equipment, in particular to detection equipment for wall thickness of a nodular cast iron pipe.
Background
The nodular cast iron pipe is a pipe which is formed by adding a nodulizer into cast molten iron above 18 and centrifugally casting the molten iron at a high speed by a centrifugal nodular cast iron machine, is mainly used for conveying tap water and is an ideal selected material for a tap water pipeline, the nodular cast iron pipe needs to be tested after production, namely, an ultrasonic probe head is adopted to test the wall thickness of the nodular cast iron pipe to judge whether the nodular cast iron pipe is qualified or not, a couplant needs to be brushed on a position to be tested before the nodular cast iron pipe is tested, the couplant is used for removing air between the ultrasonic probe head and the nodular cast iron pipe so that ultrasonic waves can effectively penetrate into the position to achieve the purpose of testing, the couplant needs to be proper and uniformly smeared on the position to be tested when in use, the couplant is generally smeared manually at present, the ultrasonic probe head is used for testing after smearing is finished, the whole process is time-consuming and labor consuming, and the dosage of the couplant is difficult to meet the requirements of proper amount and uniform smearing, particularly, a smearing tool of the couplant cannot be cleaned after detection, and when the couplant is used again, the residual couplant on the smearing tool can pollute a new couplant, so that the secondary detection effect is influenced.
Disclosure of Invention
The invention aims to provide a detection device for the wall thickness of a nodular cast iron pipe, so as to overcome the defects in the prior art.
A detection device for the wall thickness of a nodular cast iron pipe comprises a base plate, a fixing mechanism, a buffer mechanism, an ultrasonic wave measuring and waiting probe and a smearing mechanism;
the fixture comprises a base plate, a fixing mechanism, a support I, an ultrasonic wave observation probe and a smearing mechanism, wherein the fixing mechanism is provided with two nodular cast iron pipes which are symmetrically arranged on the left side and the right side of the base plate and used for fixing the nodular cast iron pipes to be detected, the base plate is provided with the support I between the two fixing mechanisms, the top of the support I is vertically fixed with a cylinder I, the end part of a piston rod of the cylinder I is connected with a butting block through a buffer mechanism, the ultrasonic wave observation probe is located in the butting block, and the smearing mechanism is arranged on the outer side of the butting block and used for smearing a couplant on the nodular cast iron pipes.
Preferably, the fixing mechanism comprises a second support, a fixing frame, a second air cylinder and a clamping block, the second support is U-shaped and is fixed on the base plate with a downward opening, the fixing frame is fixed on the base plate and is positioned in the second support, two sides of the fixing frame are rotatably connected with supporting wheels through rotating shafts, the second air cylinder is vertically fixed on the top of the second support, the clamping block is fixed on the end part of a piston rod of the second air cylinder, and a V-shaped clamping groove is formed in the top of the clamping block.
Preferably, the inner walls of the clamping grooves are provided with rubber pads.
Preferably, buffer gear includes mounting panel one, spring one, apron, mounting panel two and spring two, ultrasonic wave is surveyed and is surveyed the probe and locate in the mounting groove of butt piece, mounting panel one is fixed in the top of ultrasonic wave is surveyed and be equipped with the connection post one, the connection post one be equipped with between apron and mounting panel one spring one, mounting panel two is fixed in the tailpiece of the piston rod portion of cylinder one, be equipped with a plurality of connection posts two on the mounting panel two, the connection post two between mounting panel two and the butt piece is located to the spring two.
Preferably, it includes round brush, extension spring, shower nozzle and couplant case to paint the mechanism, the round brush is equipped with two and the both sides of symmetry below locating the butt piece, and the both ends of one of them round brush are rotated through the pivot and are connected with connecting plate one, and the both ends of another round brush are rotated through the pivot and are connected with connecting plate two, and the side of connecting plate one and connecting plate two through same round pin axle with the butt piece of one side is rotated and is connected, passes through between connecting plate one and the connecting plate two with one side the extension spring connect, all be fixed with the mounting bracket between two connecting plates one and between two connecting plates two, all be equipped with a plurality of the shower nozzle on the mounting bracket, be connected to same connecting pipe one with the shower nozzle of one side, connecting pipe one is connected to support one top through connecting pipe two and is fixed the couplant case, be equipped with the solenoid valve on the connecting pipe two.
The invention has the following advantages:
1. under the action of a piston rod of the cylinder I, the couplant can be uniformly coated on the surface of the nodular cast iron pipe through the coating mechanism, the ultrasonic wave test probe can be in contact detection with the nodular cast iron pipe after the coating is finished, and the uniform coating of the couplant and the contact detection of the ultrasonic wave test probe and the nodular cast iron pipe are continuously carried out in the whole process, so that the detection time is saved.
2. The use amount of the coupling agent is controlled by the electromagnetic valve, when the first air cylinder is started, the piston rod of the first air cylinder moves downwards, the two rolling brushes can respectively rotate towards the two sides of the abutting block under the action of the first connecting plate and the second connecting plate, meanwhile, the rolling brushes rotate on the rotating shaft to uniformly coat the couplant on the surface of the nodular cast iron pipe, when the ultrasonic wave measuring and detecting probe is positioned between the two rolling brushes and is contacted with the surface of the nodular cast iron pipe, the ultrasonic wave test probe is buffered for two times through the first spring and the second spring, and finally the ultrasonic wave test probe can be in close contact with the surface of the nodular cast iron pipe, and then, the wall thickness of the nodular cast iron pipe can be measured, when a piston rod of the cylinder I retracts, the two rolling brushes reset under the action of the tension spring and collide with each other to shake off the residual couplant on the rolling brushes, and pollution and influence on a new couplant used in the next detection are prevented.
Drawings
Fig. 1 is a schematic overall three-dimensional structure of the present invention.
Fig. 2 is a schematic structural view of the first bracket, the buffer mechanism and the smearing mechanism of the present invention.
Fig. 3 is a schematic structural diagram of a buffer mechanism and an application mechanism of the present invention.
Fig. 4 is a schematic structural diagram of the buffering mechanism of the present invention.
Fig. 5 is a cross-sectional view taken along a-a of fig. 4 in accordance with the present invention.
Wherein: 1. the ultrasonic wave coupling device comprises a base plate, 2, a fixing mechanism, 21, a second bracket, 22, a fixing frame, 23, a supporting wheel, 24, a second air cylinder, 25, a clamping block, 251, a clamping groove, 252, a rubber pad, 3, a first bracket, 31, a first air cylinder, 4, a buffer mechanism, 41, a first mounting plate, 42, a first connecting column, 43, a first spring, 44, a cover plate, 45, a second mounting plate, 46, a second connecting column, 47, a second spring, 5, a butting block, 6, an ultrasonic wave measuring probe, 7, a coating mechanism, 71, a rolling brush, 72, a first connecting plate, 73, a second connecting plate, 74, a tension spring, 75, a mounting frame, 76, a spray head, 77, a first connecting pipe, 78, a second connecting pipe, 781, an electromagnetic valve, 79, a coupling agent box, 8 and a nodular cast iron pipe.
Detailed Description
The following detailed description of the embodiments of the present invention will be given in order to provide those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention.
As shown in fig. 1-5, the invention provides a detection device for the wall thickness of a nodular cast iron pipe, which comprises a base plate 1, a fixing mechanism 2, a buffer mechanism 4, an ultrasonic wave measuring probe 6 and a smearing mechanism 7;
the fixing mechanisms 2 are provided with two nodular cast iron pipes 8 which are symmetrically arranged on the left side and the right side of the base plate 1 and used for fixing the nodular cast iron pipes to be detected, the base plate 1 is provided with a first support 3 between the two fixing mechanisms 2, the top of the first support 3 is vertically fixed with a first air cylinder 31, the end part of a piston rod of the first air cylinder 31 is connected with a butting block 5 through a buffer mechanism 4, the ultrasonic wave weather probe 6 is located in the butting block 5, and the smearing mechanism 7 is arranged on the outer side of the butting block 5 and used for smearing a coupling agent to the nodular cast iron pipes 8.
In this embodiment, the fixing mechanism 2 includes a second support 21, a second fixing frame 22, a second cylinder 24 and a clamping block 25, the second support 21 is u-shaped and has a downward opening and is fixed on the base plate 1, the fixing frame 22 is fixed on the base plate 1 and is located in the second support 21, two sides of the fixing frame 22 are rotatably connected with a support wheel 23 through a rotating shaft, the second cylinder 24 is vertically fixed on the top of the second support 21, the clamping block 25 is fixed on the end of a piston rod of the second cylinder 24, and a V-shaped clamping groove 251 is formed in the top of the clamping block 25.
In this embodiment, the inner walls of the clamping grooves 251 are provided with rubber pads 252.
In the present embodiment, the buffering mechanism 4 includes a first mounting plate 41, a first spring 43, a cover plate 44, a second mounting plate 45 and a second spring 47, the ultrasonic wave weather probe 6 is arranged in the mounting groove of the abutting block 5, the mounting plate I41 is fixed at the top of the ultrasonic wave weather probe 6 through a screw, the cover plate 44 is fixed on the top of the abutting block 5 through screws, a plurality of connecting posts 42 are arranged on the cover plate 44, the connecting column one 42 passes through the through hole on the cover plate 44 and is in threaded connection with the mounting plate one 41, the connecting column one 42 is provided with the spring one 43 between the cover plate 44 and the mounting plate one 41, the second mounting plate 45 is fixed at the end part of the piston rod of the first cylinder 31, the second mounting plate 45 is provided with a plurality of second connecting posts 46, the lower end of the second connecting column 46 is in threaded connection with the top of the abutting block 5, and the second spring 47 is sleeved on the second connecting column 46 between the second mounting plate 45 and the abutting block 5.
In this embodiment, the smearing mechanism 7 includes two rolling brushes 71, a tension spring 74, a nozzle 76 and a coupling agent box 79, the rolling brushes 71 are symmetrically disposed on two sides of the lower portion of the abutting block 5, two ends of one rolling brush 71 are rotatably connected with a first connecting plate 72 through a rotating shaft, two ends of the other rolling brush 71 are rotatably connected with a second connecting plate 73 through a rotating shaft, the first connecting plate 72 and the second connecting plate 73 on the same side are rotatably connected with the side surface of the abutting block 5 through the same pin shaft, the first connecting plate 72 and the second connecting plate 73 on the same side are connected through the tension spring 74, mounting frames 75 are fixed between the first connecting plate 72 and between the second connecting plates 73, the mounting frames 75 are provided with a plurality of nozzles 76, the nozzle 76 on the same side is connected to the same first connecting pipe 77, the first connecting pipe 77 is connected to the coupling agent box 79 fixed on the top of the first bracket 3 through the second connecting pipe 78, and an electromagnetic valve 781 is arranged on the second connecting pipe 78.
The specific implementation mode and principle are as follows:
in practical application, two ends of a nodular cast iron pipe 8 to be measured are respectively placed on the supporting wheels 23 of the fixing frame 22, then the air cylinder II 24 is started, the piston rod of the air cylinder II 24 drives the clamping block 25 to move downwards and clamp and fix the nodular cast iron pipe 8 through the clamping groove 251 on the clamping block, then the electromagnetic valve 781 is started, a couplant is sprayed to the rolling brush 71 from a spray head after passing through the connecting pipe II 78 and the connecting pipe I77 from the couplant box 79, as the two rolling brushes 71 are tightly connected together under the action of the tension spring 74 and are in contact with the surface of the nodular cast iron pipe 8 at the beginning, when the air cylinder I31 is started and the piston rod of the air cylinder I31 moves downwards, the rolling brush 71 can rotate towards two sides of the abutting block under the action of the connecting plate I72 and the connecting plate II 73, and the rolling brush 71 can rotate on the rotating shaft to uniformly coat the couplant on the surface of the nodular cast iron pipe 8 during rotation, when the rolling brushes 71 rotate to the two sides of the abutting block 5, the ultrasonic wave test probe 6 is located between the two rolling brushes 71 and is in contact with the surface of the nodular cast iron pipe 8, the ultrasonic wave test probe 6 is buffered twice through the first spring 43 and the second spring 47 in the process of being in contact with the nodular cast iron pipe 8, finally the ultrasonic wave test probe 6 can be in close contact with the surface of the nodular cast iron pipe 8, then the wall thickness of the nodular cast iron pipe 8 can be measured, after detection is completed, the piston rod of the first cylinder 31 retracts, the two rolling brushes 71 reset under the action of the tension spring 74 and collide with each other to shake off the residual couplant on the rolling brushes 71, and pollution to a new couplant used in next detection is prevented.
In conclusion, the equipment can uniformly coat the couplant on the surface of the nodular cast iron pipe through the coating mechanism under the action of the piston rod of the cylinder I, the ultrasonic wave test probe can be in contact detection with the nodular cast iron pipe after the coating is finished, and the uniform coating of the couplant and the contact detection of the ultrasonic wave test probe and the nodular cast iron pipe are continuously carried out in the whole process, so that the detection time is saved.
The invention has been described above with reference to the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various insubstantial modifications of the invention, including those based on the spirit and scope of the invention, or other applications without modification.
Claims (5)
1. The utility model provides a check out test set for nodular cast iron pipe wall thickness which characterized in that: comprises a substrate (1), a fixing mechanism (2), a buffer mechanism (4), an ultrasonic wave measuring probe (6) and a smearing mechanism (7);
the fixture comprises a base plate (1), a fixing mechanism (2) and a support (3), wherein the fixing mechanism (2) is provided with two nodular cast iron pipes (8) which are symmetrically arranged on the left side and the right side of the base plate (1) and used for fixing the nodular cast iron pipes to be detected, the base plate (1) is provided with the support I (3) between the two fixing mechanisms (2), the top of the support I (3) is vertically fixed with a cylinder I (31), the end part of a piston rod of the cylinder I (31) is connected with a butting block (5) through a buffer mechanism (4), an ultrasonic wave weather probe (6) is located in the butting block (5), and a smearing mechanism (7) is arranged on the outer side of the butting block (5) and used for smearing a coupling agent on the nodular cast iron pipes (8).
2. The detection apparatus for the wall thickness of a ductile iron pipe according to claim 1, wherein: the fixing mechanism (2) comprises a second support (21), a fixing frame (22), a second air cylinder (24) and a clamping block (25), the second support (21) is U-shaped, the opening of the second support is downward and is fixed on the base plate (1), the fixing frame (22) is fixed on the base plate (1) and is positioned in the second support (21), two sides of the fixing frame (22) are rotatably connected with supporting wheels (23) through rotating shafts, the second air cylinder (24) is vertically fixed at the top of the second support (21), the clamping block (25) is fixed at the end part of a piston rod of the second air cylinder (24), and the top of the clamping block (25) is provided with a V-shaped clamping groove (251).
3. The detection apparatus for the wall thickness of a ductile iron pipe according to claim 2, wherein: and rubber pads (252) are arranged on the inner walls of the clamping grooves (251).
4. The detection apparatus for the wall thickness of a ductile iron pipe according to claim 1, wherein: buffer gear (4) includes mounting panel one (41), spring one (43), apron (44), mounting panel two (45) and spring two (47), ultrasonic wave is surveyed probe (6) and is located in the mounting groove of butt joint piece (5), mounting panel one (41) are fixed in the top of ultrasonic wave is surveyed probe (6) through the screw, apron (44) are fixed in the top of butt joint piece (5) through the screw, be equipped with a plurality of spliced pole one (42) on apron (44), spliced pole one (42) pass the through-hole on apron (44) and with mounting panel one (41) threaded connection, spliced pole one (42) are equipped with between apron (44) and mounting panel one (41) spring one (43), mounting panel two (45) are fixed in the piston rod end portion of cylinder one (31), be equipped with a plurality of spliced pole two (46) on mounting panel two (45), the lower end of the second connecting column (46) is in threaded connection with the top of the abutting block (5), and the second spring (47) is sleeved on the second connecting column (46) between the second mounting plate (45) and the abutting block (5).
5. The detection apparatus for the wall thickness of a ductile iron pipe according to claim 1, wherein: the smearing mechanism (7) comprises rolling brushes (71), tension springs (74), spray heads (76) and a coupling agent box (79), wherein the rolling brushes (71) are provided with two rolling brushes (71) which are symmetrically arranged at two sides below the abutting block (5), two ends of one rolling brush (71) are rotatably connected with a first connecting plate (72) through a rotating shaft, two ends of the other rolling brush (71) are rotatably connected with a second connecting plate (73) through a rotating shaft, the first connecting plate (72) and the second connecting plate (73) on the same side are rotatably connected with the side surface of the abutting block (5) through the same pin shaft, the first connecting plate (72) and the second connecting plate (73) on the same side are connected through the tension springs (74), mounting frames (75) are fixed between the first connecting plates (72) and between the second connecting plates (73), the spray heads (76) are arranged on the mounting frames (75), and the spray heads (76) on the same side are connected to the first connecting pipe (77), the first connecting pipe (77) is connected to the coupling agent box (79) fixed to the top of the first support (3) through a second connecting pipe (78), and the second connecting pipe (78) is provided with an electromagnetic valve (781).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110377597.1A CN113237443A (en) | 2021-04-08 | 2021-04-08 | Detection equipment for wall thickness of nodular cast iron pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110377597.1A CN113237443A (en) | 2021-04-08 | 2021-04-08 | Detection equipment for wall thickness of nodular cast iron pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113237443A true CN113237443A (en) | 2021-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110377597.1A Withdrawn CN113237443A (en) | 2021-04-08 | 2021-04-08 | Detection equipment for wall thickness of nodular cast iron pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113237443A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115451875A (en) * | 2022-08-24 | 2022-12-09 | 国网江苏省电力有限公司盐城供电分公司 | Equipment and method for detecting diameter of electric pole steel bar |
| CN116399953A (en) * | 2023-06-09 | 2023-07-07 | 东鹏博大（天津）实业有限公司 | Detection device and detection method for steel pipe welding seam |
| CN117516431A (en) * | 2023-11-16 | 2024-02-06 | 武汉万维物联科技有限公司 | Detection auxiliary device for manufacturing equipment of Internet of things |
-
2021
- 2021-04-08 CN CN202110377597.1A patent/CN113237443A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115451875A (en) * | 2022-08-24 | 2022-12-09 | 国网江苏省电力有限公司盐城供电分公司 | Equipment and method for detecting diameter of electric pole steel bar |
| CN116399953A (en) * | 2023-06-09 | 2023-07-07 | 东鹏博大（天津）实业有限公司 | Detection device and detection method for steel pipe welding seam |
| CN116399953B (en) * | 2023-06-09 | 2023-09-01 | 东鹏博大（天津）实业有限公司 | Detection device and detection method for steel pipe welding seam |
| CN117516431A (en) * | 2023-11-16 | 2024-02-06 | 武汉万维物联科技有限公司 | Detection auxiliary device for manufacturing equipment of Internet of things |
| CN117516431B (en) * | 2023-11-16 | 2024-06-04 | 武汉万维物联科技有限公司 | Detection auxiliary device for manufacturing equipment of Internet of things |
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Application publication date: 20210810 |
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