CN111122798B - Nondestructive testing equipment for coatings on inner and outer walls of metal pipe - Google Patents
Nondestructive testing equipment for coatings on inner and outer walls of metal pipe Download PDFInfo
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- CN111122798B CN111122798B CN202010067907.5A CN202010067907A CN111122798B CN 111122798 B CN111122798 B CN 111122798B CN 202010067907 A CN202010067907 A CN 202010067907A CN 111122798 B CN111122798 B CN 111122798B
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- 238000000576 coating method Methods 0.000 title claims abstract description 13
- 239000002184 metal Substances 0.000 title claims abstract description 13
- 238000009659 non-destructive testing Methods 0.000 title abstract description 6
- 238000012360 testing method Methods 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000009347 mechanical transmission Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G01N33/0096—
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/20—Metals
- G01N33/204—Structure thereof, e.g. crystal structure
- G01N33/2045—Defects
Abstract
The invention discloses nondestructive testing equipment for coatings on the inner and outer walls of a metal pipe, which comprises a base, wherein two fixed tables are fixed on the upper end surface of the base, a lifting mechanism for supporting the pipe is arranged between the two fixed tables, a clamping mechanism for clamping the pipe is arranged in each fixed table, each clamping mechanism comprises a moving cavity positioned in each fixed table, a moving plate and a telescopic spring for connecting the moving plate with the end wall of the moving cavity are connected in the moving cavity in a sliding manner, a ring cavity communicated with the moving cavity and close to the end wall of the lifting mechanism is arranged in each moving plate, the device has a simple structure and convenient operation, the inner and outer surfaces of the pipe can be simultaneously tested through mechanical transmission, the testing efficiency is improved, and in the case of facing pipes with different pipe diameters, the pipe can be directly opposite to the testing mechanism through lifting, so that the testing can be smoothly carried, thereby facilitating further improvement of detection efficiency.
Description
Technical Field
The invention relates to the field of metal detection, in particular to nondestructive detection equipment for coatings on the inner wall and the outer wall of a metal pipe.
Background
The application environment of the metal pipe is mostly buried underground or internally circulated with liquid, if rust prevention preparation is not made, the metal pipe can be seriously rusted after being used for a long time, and the use is influenced;
therefore, all scribble the anti-rust paint to the surface of metal now, need detect the coating after metal tubular product paints the completion, detect tubular product surface mostly at present stage, to the inside detection difficulty of tubular product, the inefficiency is unfavorable for improving detection efficiency, and because the tubular product diameter has the size, the size of the adaptation tubular product that these check out test set can not be fine is unfavorable for detecting.
Disclosure of Invention
The invention aims to solve the technical problem of providing nondestructive testing equipment for coatings on the inner wall and the outer wall of a metal pipe, and solves the problems of low testing efficiency and the like, so that the testing efficiency is improved.
The invention is realized by the following technical scheme.
The nondestructive testing equipment for the coatings on the inner wall and the outer wall of the metal pipe comprises a base, wherein two fixed tables are fixed on the upper end surface of the base, a lifting mechanism for supporting the pipe is arranged between the two fixed tables, a clamping mechanism for clamping the pipe is arranged in each fixed table, each clamping mechanism comprises a moving cavity positioned in each fixed table, a moving plate and a telescopic spring for connecting the moving plate with the end wall of the moving cavity are connected in each moving cavity in a sliding manner, a ring cavity communicated with the moving cavity and close to the end wall of the lifting mechanism is arranged in each moving plate, a clamping cavity communicated with the outside is arranged in each fixed table, the clamping cavities are communicated with the moving cavities through cavities, each clamping plate is arranged in each clamping cavity, two sliding blocks are connected in each ring cavity in a sliding manner, one end of each sliding block, which penetrates through the end wall of the ring cavity, remove the chamber end wall pass through about the chamber end wall and with pinch-off blades fixed connection's connecting rod, be equipped with in the pinch-off blades and run through the perforating hole of terminal surface about the pinch-off blades, the right side be equipped with in the fixed station by the right side the round chamber that the chamber left end wall runs through, the round intracavity is equipped with by two on the right side the plectane that the connecting rod left end runs through, the right side still be equipped with in the chamber upper end wall communicate outside with the shifting chute in shifting chute, the right side the shift-off blades left end face is fixed with electric telescopic handle, upside the electric telescopic handle left end runs through the shifting chute about the end wall just is located the outside, the downside the electric telescopic handle left end runs through the chamber the round chamber with the right side the perforating hole just is located external space, the electric telescopic handle left end is fixed with the detector that is used for detecting the coating, plectane right-hand member face upside and the round chamber And a driving mechanism for driving the clamping mechanism is arranged in the lower end wall of the through cavity.
Further, elevating system is including being located in the ascending lift chamber of base and opening, lift chamber left end wall is fixed with electronic guide rail, be equipped with in the lift chamber by electronic guide rail drives the lifter plate that goes up and down, the lifter plate up end is fixed with four upper ends and is located outside elevator blocks, be equipped with the opening in the lifter plate and upwards just around the outside rotation groove of end wall intercommunication, the fixedly connected with axis of rotation between the end wall about the rotation groove, rotate in the axis of rotation and be connected with the rotation wheel that the upper end is located the outside, the left side the movable plate right-hand member face is fixed with optical sensor, downside electric telescopic handle left end face is fixed with light sound generator, left side the diameter of perforating hole is less than the right side the diameter of perforating hole.
Furthermore, the driving mechanism comprises a driving cavity positioned in the lower end wall of the through cavity, a rotating motor is fixed on the left end wall of the driving cavity, a driving shaft is connected with the right end of the rotating motor in a power mode, the left end wall of the driving cavity is also connected with a rotating shaft in a rotating mode, the right end of the rotating shaft is fixedly connected with a rotating gear, the upper end of the rotating gear is positioned in the circular cavity and is meshed with the lower end of the circular plate, a driving gear is connected with the driving shaft in a key mode, a driving wheel is also fixedly connected with the driving shaft, a fixed baffle plate is fixed on the lower end wall of the driving cavity, the upper end of the fixed baffle plate is penetrated through by the right end of the driving shaft, two return springs with left ends contacted with the driving gear are fixed at the left end of the fixed baffle plate, a translation plate is further, a spring block and an extension spring which is connected with the spring block and the spring cavity and is close to the end wall of the driving shaft are arranged in the spring cavity, a lifting plate which can be lifted and has the upper end contacted with the lower end of the driving wheel is arranged in the driving cavity, a lifting spring which is fixedly connected with the lower end of the lifting plate and the lower end of the driving cavity is fixed at the lower end of the lifting plate, two ropes are fixed at the lower end of the lifting plate, the lower end of the rope at the left side penetrates through the lower end wall of the driving cavity and then penetrates through the left end wall of the driving cavity and is fixedly connected with the translation plate, an ejection groove which can be attracted with the moving plate at the right side is fixed at the lower side of the right end wall of the moving cavity at the right side, a magnet block with an upward opening is arranged in the lower end wall of the moving cavity at the right side, an ejection plate and an ejection spring which supports the, the right side remove the board left end downside and be fixed with the connection rope, connect the rope left end and run through the right side remove chamber left end wall and left side remove chamber left end wall and with the left side remove board left end face fixed connection.
Furthermore, when the optical sensor is irradiated by light from the light generator, the electric guide rail can be controlled to stop moving, the magnetic force between the ejection groove and the right side moving plate is greater than the elastic force of the two extension springs, the elastic force of the lifting spring is greater than the elastic force of the compression spring, the elastic force of the compression spring is greater than the elastic force of the reset spring, and the elastic force of the lifting spring is greater than the elastic force of the ejection spring.
The invention has the beneficial effects that: the device simple structure, the simple operation detects the surface simultaneously in the tubular product through the transmission of machinery, improves detection efficiency, and when facing the tubular product of different pipe diameters, through going up and down, makes tubular product just can be to detection mechanism to guarantee going on smoothly of detection, thereby be convenient for further improve detection efficiency.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure A-A of FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the structure at B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram at C in FIG. 1 according to an embodiment of the present invention;
fig. 5 is a schematic right-view structural diagram of the transmission wheel 55 in fig. 1 in full section according to the embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The nondestructive testing device for the coating on the inner wall and the outer wall of the metal pipe, which is described in conjunction with the attached drawings 1-5, comprises a base 10, two fixed tables 11 are fixed on the upper end face of the base 10, a lifting mechanism 62 for supporting the pipe is arranged between the two fixed tables 11, a clamping mechanism 60 for clamping the pipe is arranged in each fixed table 11, the clamping mechanism 60 comprises a moving cavity 19 located in the fixed table 11, a moving plate 15 and a telescopic spring 13 for connecting the moving plate 15 with the end wall of the moving cavity 19 are slidably connected in the moving cavity 19, an annular cavity 16 which is close to the end wall of the lifting mechanism 62 and is communicated with the moving cavity 19 is arranged in the moving plate 15, a clamping cavity 20 which is communicated with the outside is arranged in the fixed table 11, the clamping cavity 20 is communicated with the moving cavity 19 through a through cavity 37, and a clamping plate 21 is arranged in the clamping cavity, two sliding blocks 17 are slidably connected in the annular cavity 16, a connecting rod 18 with one end penetrating through the end wall of the annular cavity 16, the end wall of the moving cavity 19, the left end wall and the right end wall of the through cavity 37 and fixedly connected with the clamping plate 21 is fixed on the end surface of the sliding block 17 close to the lifting mechanism 62, a through hole 22 penetrating through the left end surface and the right end surface of the clamping plate 21 is arranged in the clamping plate 21, a round cavity 36 penetrated through by the left end wall of the through cavity 37 on the right side is arranged in the fixed table 11 on the right side, a round plate 42 penetrated through by the left ends of the two connecting rods 18 on the right side is arranged in the round cavity 36, a moving groove 38 communicating the outside with the moving cavity 19 is also arranged in the upper end wall of the through cavity 37 on the right side, an electric telescopic rod 39 is fixed on the left end surface of the moving, the left end of the electric telescopic rod 39 on the lower side penetrates through the through cavity 37, the circular cavity 36 and the right side through hole 22 and is located in an external space, the detector 40 for detecting a coating is fixed at the left end of the electric telescopic rod 39, the contact sensors 59 are fixed on the upper side of the right end face of the circular plate 42 and the upper side of the right end wall of the circular cavity 36, the two contact sensors 59 are in contact with each other, and the driving mechanism 61 for driving the clamping mechanism 60 is arranged in the lower end wall of the through cavity 37.
Beneficially, the lifting mechanism 62 includes a lifting cavity 28 located in the base 10 and having an upward opening, the left end wall of the lifting cavity 28 is fixed with an electric guide rail 26, a lifting plate 27 driven by the electric guide rail 26 to lift is disposed in the lifting cavity 28, four lifting blocks 29 having upper ends located outside are fixed on the upper end face of the lifting plate 27, a rotating groove 25 having an upward opening and front and rear end walls communicating with the outside is disposed in the lifting block 29, a rotating shaft 23 is fixedly connected between the left and right end walls of the rotating groove 25, a rotating wheel 24 having an upper end located outside is rotatably connected to the rotating shaft 23, an optical sensor 14 is fixed on the right end face of the moving plate 15 on the left side, a light ray generator 41 is fixed on the left end face of the electric telescopic rod 39 on the lower side, and the diameter of the through hole 22 on the.
Advantageously, the driving mechanism 61 includes a driving chamber 46 located in the lower end wall of the through chamber 37, the left end wall of the driving chamber 46 is fixed with a rotating motor 45, the right end of the rotating motor 45 is connected with a driving shaft 56 in a power manner, the left end wall of the driving chamber 46 is further connected with a rotating shaft 47 in a rotating manner, the right end of the rotating shaft 47 is fixedly connected with a rotating gear 50, the upper end of which is located in the circular chamber 36 and is meshed with the lower end of the circular plate 42, the driving shaft 56 is connected with a driving gear 48 in a key manner and a driving wheel 55 is further fixedly connected to the driving shaft 56, the lower end wall of the driving chamber 46 is fixed with a fixed baffle 51, the upper end of which is penetrated by the right end of the driving shaft 56, the left end of the fixed baffle 51 is fixed with two return springs 49, the left end of which is in contact with the driving gear 48, the driving, ten spring cavities 53 communicated with the driving cavity 46 are arranged in the driving wheel 55, a spring block 52 and an extension spring 54 which connects the spring block 52 with the end wall of the spring cavity 53 close to the driving shaft 56 are arranged in the spring cavity 53, a lifting plate 57 which can be lifted and of which the upper end is contacted with the lower end of the driving wheel 55 is arranged in the driving cavity 46, a lifting spring 58 of which the lower end is fixedly connected with the lower end wall of the driving cavity 46 is fixed at the lower end of the lifting plate 57, two ropes 30 are fixed at the lower end of the lifting plate 57, the lower end of the rope 30 at the left side penetrates through the lower end wall of the driving cavity 46 and then penetrates through the left end wall of the driving cavity 46 and is fixedly connected with the translation plate 44, an ejection groove 34 which can be absorbed with the moving plate 15 at the right side is fixed at the lower side of the right side wall of the moving cavity 19, be equipped with liftout plate 32 and support in the magnet piece 33 liftout spring 31 of liftout plate 32, the right side the rope 30 lower extreme runs through circular plate 42 lower extreme wall with magnet piece 33 lower extreme wall and with liftout plate 32 fixed connection, right side the 15 left end downside of movable plate is fixed with and connects rope 12, connect rope 12 left end and run through the right side remove 19 left end wall and left side remove 19 left end wall and with the left side the 15 left end face fixed connection of movable plate.
Advantageously, the optical sensor 14 controls the electric rail 26 to stop moving when being irradiated by light from the light generator 41, the magnetic force between the ejecting slot 34 and the right moving plate 15 is greater than the elastic force of the two extension springs 13, the elastic force of the lifting spring 58 is greater than the elastic force of the compression spring 43, the elastic force of the compression spring 43 is greater than the elastic force of the return spring 49, and the elastic force of the lifting spring 58 is greater than the elastic force of the ejecting spring 31.
In the initial state, the compression spring 43 and the extension spring 13 are in a stretched state, and the ejector spring 31 is in a compressed state.
The tube is placed on the rotating wheel 24, then a paper strip with the length slightly shorter than the radius of the tube is pasted on the upper side of the right end face of the tube, the light ray generator 41 works to generate light rays, the light sensor 14 cannot receive signals due to the blocking of the paper strip, the electric guide rail 26 works to drive the lifting plate 27 to lift, so that the lifting block 29 is driven to lift, the tube is driven to lift, so that the paper strip is lifted, when the lower end of the paper strip does not limit the light rays any more, the light sensor 14 receives light ray signals, so that the light sensor 14 controls the electric guide rail 26 to stop moving, and the light ray generator 41 also stops moving;
the rotation motor 45 is operated to rotate the driving shaft 56, so as to rotate the driving gear 48 and the transmission wheel 55, the transmission wheel 55 rotates to enable the spring block 52 to be centrifugally separated from the spring cavity 53 and stretch the extension spring 54, so that the lifting plate 57 descends and compresses the lifting spring 58, thereby releasing the rope 30, the left rope 30 is released, so that the spring cavity 53 is reset to enable the translation plate 44 to move rightwards, thereby enabling the driving gear 48 to move rightwards and compress the reset spring 49, thereby enabling the driving gear 48 to be meshed with the lower end of the rotation gear 50, and the right rope 30 is loosened, so that the ejection spring 31 is reset to enable the ejection plate 32 to ascend and be positioned between the ejection groove 34 and the moving plate 15, thereby weakening the magnetic force between the moving plate 15 and the ejection groove 34, so that the right expansion spring 13 is reset to enable the moving plate 15 to move leftwards, thereby releasing the connecting, thereby, the left side extension spring 13 is reset to drive the left side moving plate 15 to move rightwards, and the connecting rods 18 and the clamping plates 21 on the left side and the right side are driven to mutually approach, so that the left clamping plate 21 and the right clamping plate 21 clamp the pipe;
the right moving plate 15 moves leftwards to drive the electric telescopic rod 39 and the detector 40 to move leftwards, so that the upper detector 40 is positioned at the upper side of the pipe, and the lower detector 40 is positioned inside the pipe;
drive gear 48's rotation drives rotation axis 47 and rotates, thereby it rotates to drive rotary gear 50, thereby it rotates to drive plectane 42, thereby it rotates to drive connecting rod 18 on right side, thereby it rotates with sliding block 17 to drive clamp plate 21 on right side, thereby it rotates with left clamp plate 21 and connecting rod 18 to drive tubular product, thereby it begins to detect the coating of inside and outside the tubular product to make detector 40, rotate a week back at plectane 42, two contact sensor 59 contacts once about, thereby control electric telescopic handle 39 work drives detector 40 and moves one end distance left, thereby be convenient for the complete coating that detects tubular product.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (1)
1. The utility model provides a metal tubular product inside and outside wall coating nondestructive test equipment, includes the base, its characterized in that: the pipe clamping device is characterized in that two fixed tables are fixed on the upper end face of the base, a lifting mechanism for supporting pipes is arranged between the two fixed tables, a clamping mechanism for clamping the pipes is arranged in each fixed table, each clamping mechanism comprises a moving cavity positioned in each fixed table, a moving plate and a telescopic spring for connecting the moving plate with the end wall of the corresponding moving cavity are connected in the corresponding moving cavity in a sliding mode, an annular cavity close to the end wall of each lifting mechanism and communicated with the corresponding moving cavity is arranged in each moving plate, a clamping cavity communicated with the outside is arranged in each fixed table, the clamping cavities are communicated with the corresponding moving cavities through cavities, each clamping cavity is internally provided with a clamping plate, two sliding blocks are connected in the annular cavity in a sliding mode, and a connecting rod is fixed on the end face, close to the lifting mechanism, of each sliding block, penetrates through the end wall of the annular cavity, the, the clamp plate is internally provided with a through hole penetrating through the left end surface and the right end surface of the clamp plate, the right side of the fixed table is internally provided with a circular cavity penetrated through by the left end wall of the through cavity at the right side, the circular cavity is internally provided with a circular plate penetrated through by the left ends of the two right side connecting rods, the right side of the through cavity is internally provided with a moving groove communicating the outside with the moving cavity, the left end surface of the moving plate at the right side is fixedly provided with an electric telescopic rod, the left end of the electric telescopic rod at the upper side penetrates through the left end wall and the right end wall of the moving groove and is positioned at the outside, the left end of the electric telescopic rod at the lower side penetrates through the through cavity, the circular cavity and the right end wall and is positioned in the external space, the left end of the electric telescopic rod is fixedly provided with a detector, a driving mechanism for driving the clamping mechanism is arranged in the lower end wall of the through cavity; the lifting mechanism comprises a lifting cavity which is positioned in the base and has an upward opening, an electric guide rail is fixed on the left end wall of the lifting cavity, a lifting plate which is driven by the electric guide rail to lift is arranged in the lifting cavity, four lifting blocks with the upper ends positioned outside are fixed on the upper end face of the lifting plate, a rotating groove with an upward opening and front and rear end walls communicated with the outside is arranged in the lifting block, a rotating shaft is fixedly connected between the left end wall and the right end wall of the rotating groove, a rotating wheel with the upper end positioned outside is rotatably connected to the rotating shaft, an optical sensor is fixed on the right end face of the moving plate on the left side, a light sounder is fixed on the left end face of the electric telescopic rod on the lower side; the driving mechanism comprises a driving cavity positioned in the lower end wall of the through cavity, a rotating motor is fixed on the left end wall of the driving cavity, the right end of the rotating motor is in power connection with a driving shaft, the left end wall of the driving cavity is also in rotating connection with a rotating shaft, the right end of the rotating shaft is fixedly connected with a rotating gear, the upper end of the rotating gear is positioned in the circular cavity and is meshed with the lower end of the circular plate, a driving gear is connected to the driving shaft in a key manner, a driving wheel is also fixedly connected to the driving shaft, a fixed baffle plate is fixed on the lower end wall of the driving cavity, the upper end of the fixed baffle plate is penetrated through by the right end of the driving shaft, two return springs with the left ends contacted with the driving gear are fixed at the left end of the fixed baffle plate, a translation plate is also connected, a spring block and an extension spring which is connected with the spring block and the spring cavity and is close to the end wall of the driving shaft are arranged in the spring cavity, a lifting plate which can be lifted and has the upper end contacted with the lower end of the driving wheel is arranged in the driving cavity, a lifting spring which is fixedly connected with the lower end of the lifting plate and the lower end of the driving cavity is fixed at the lower end of the lifting plate, two ropes are fixed at the lower end of the lifting plate, the lower end of the rope at the left side penetrates through the lower end wall of the driving cavity and then penetrates through the left end wall of the driving cavity and is fixedly connected with the translation plate, an ejection groove which can be attracted with the moving plate at the right side is fixed at the lower side of the right end wall of the moving cavity at the right side, a magnet block with an upward opening is arranged in the lower end wall of the moving cavity at the right side, an ejection plate and an ejection spring which supports the, a connecting rope is fixed on the lower side of the left end of the right moving plate, and the left end of the connecting rope penetrates through the left end wall of the right moving cavity and the left end wall of the left moving cavity and is fixedly connected with the left end face of the left moving plate; the light sensor can control the electric guide rail to stop moving when being irradiated by light of the light sounder, the ejecting groove and the right side, the magnetic force between the movable plates is greater than two elastic forces of the telescopic springs, the elastic force of the lifting spring is greater than the elastic force of the compression spring, the elastic force of the compression spring is greater than the elastic force of the reset spring, and the elastic force of the lifting spring is greater than the elastic force of the ejecting spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010067907.5A CN111122798B (en) | 2020-01-20 | 2020-01-20 | Nondestructive testing equipment for coatings on inner and outer walls of metal pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010067907.5A CN111122798B (en) | 2020-01-20 | 2020-01-20 | Nondestructive testing equipment for coatings on inner and outer walls of metal pipe |
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| CN111122798A CN111122798A (en) | 2020-05-08 |
| CN111122798B true CN111122798B (en) | 2021-06-25 |
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| CN202010067907.5A Active CN111122798B (en) | 2020-01-20 | 2020-01-20 | Nondestructive testing equipment for coatings on inner and outer walls of metal pipe |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111983176B (en) * | 2020-08-26 | 2022-09-30 | 浙江双森金属科技股份有限公司 | Stainless steel pipe defect detection device |
| CN112730794B (en) * | 2021-01-05 | 2023-10-20 | 北京经纬信息技术有限公司 | Nondestructive testing device for high-speed rail hollow shaft |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1025073C (en) * | 1991-12-11 | 1994-06-15 | 胜利石油管理局油建一公司 | Patch-up-coating machine capable of automatically examination inner wall coating or steel pipeline |
| CN2273846Y (en) * | 1996-08-30 | 1998-02-04 | 哈尔滨理工大学 | Instrument for measuring the qualing of corrosion-resislant coatings of inner pipeline |
| CN101539415B (en) * | 2009-04-10 | 2010-09-01 | 东营市科威智能技术有限公司 | Automatically detecting machine for antirust coating in pipeline |
| CN201382780Y (en) * | 2009-04-10 | 2010-01-13 | 东营市科威智能技术有限公司 | Automatic detection machine for internal coating of pipeline |
| JP2010249591A (en) * | 2009-04-14 | 2010-11-04 | Kumamoto Univ | Non-destructive inspection method and non-destructive inspection device |
| CN202033475U (en) * | 2011-04-18 | 2011-11-09 | 中国工程物理研究院核物理与化学研究所 | Metal pipeline inner wall radioactive contamination measuring device |
| CN202152925U (en) * | 2011-07-25 | 2012-02-29 | 中国石油天然气股份有限公司 | On-line leakage point detection device for internal coating of metal pipeline |
| CN204044110U (en) * | 2014-08-26 | 2014-12-24 | 湖南工程学院 | A kind of the cannot-harm-detection device for metallic conduit |
| CN205097279U (en) * | 2015-11-16 | 2016-03-23 | 三峡大学 | Small -size plastics pipe puncher |
| CN106153713A (en) * | 2016-06-28 | 2016-11-23 | 中国计量大学 | A kind of metallic conduit defect in inner surface detection device |
| CN106442732B (en) * | 2016-10-28 | 2019-03-15 | 北京安泰中科金属材料有限公司 | The supersonic detection device and supersonic detection method at metal tube MULTILAYER COMPOSITE interface |
| CN206862962U (en) * | 2017-05-04 | 2018-01-09 | 淮阴师范学院 | A kind of nondestructive-testing working table for metallic conduit |
| CN207622724U (en) * | 2017-12-07 | 2018-07-17 | 江苏博聚能新材料科技有限公司 | A kind of pipe internal coating thickness detection mechanism |
| CN209086208U (en) * | 2018-11-28 | 2019-07-09 | 青州通达检测工程有限公司 | A kind of fixture suitable for metallic conduit non-destructive testing |
| CN110530984A (en) * | 2019-09-26 | 2019-12-03 | 中国石油大学(华东) | A kind of ultrasonic detection method of pipeline coating defect |
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