CN107976518A - A kind of pipe material inner wall non-destructive testing device - Google Patents
A kind of pipe material inner wall non-destructive testing device Download PDFInfo
- Publication number
- CN107976518A CN107976518A CN201711185011.1A CN201711185011A CN107976518A CN 107976518 A CN107976518 A CN 107976518A CN 201711185011 A CN201711185011 A CN 201711185011A CN 107976518 A CN107976518 A CN 107976518A
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- glue shell
- outer glue
- destructive testing
- testing device
- telescopic rod
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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
Abstract
The invention discloses a kind of pipe material inner wall non-destructive testing device, its structure includes body, control cabinet, middle solid plate, rotate mouth, rotating extensible arm, mobile column, movable block, lifting pipe, non-destructive testing device, Bidirectional-squeezing arm, railroad shoe, body is rectangular parallelepiped structure, front end is welded with middle solid plate, control cabinet is installed in middle solid plate left side and passes through with body and is electrically connected, middle solid plate is embedded in body front end and forms integral structure, rotation mouth is embedded at middle solid plate front center and outside rotating extensible arm for toroidal, rotating extensible arm connects body in non-destructive testing device through rotation mouth.This practical beneficial effect：In order to realize that pipe material inner wall non-destructive testing device can carry out inner wall Non-Destructive Testing by the diameter of tubing, damaged condition is judged by pressure detecting transmission and is furnished with probe video recording, operation is simple to be detected into accuracy height, and low cost is simultaneously suitable for big small-sized tubing, limitation is small, easy to use.
Description
Technical field
The present invention is a kind of pipe material inner wall non-destructive testing device, belongs to pipe material inner wall non-destructive testing device field.
Background technology
Material necessary to tubing is architectural engineering, it is common to there is feed pipe, drainpipe, gas pipe, steam heating pipe, electric wire to lead
Pipe, rain pipe etc..With the development of science and technology, the tubing that house decoration uses also experienced plain cast iron pipe → pipe of cement →
The development course of (concrete reinforced pipe, asbestos-cement pipe) → ductile iron pipe, coating steel pipe → plastic tube and aluminum plastic composite pipe.
Existing technology general structure complex operations are cumbersome and cost is higher and can not carry out Non-Destructive Testing to small-sized tubing,
Limitation is larger, does not apply to.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of pipe material inner wall non-destructive testing device, with solution
Certainly general structure complex operations are cumbersome and cost is higher and can not carry out Non-Destructive Testing to small-sized tubing, and limitation is larger, uncomfortable
The problem of using.
To achieve these goals, the present invention is to realize by the following technical solutions：A kind of lossless inspection of pipe material inner wall
Device is surveyed, its structure includes body, control cabinet, middle solid plate, rotation mouth, rotating extensible arm, mobile column, movable block, lifting pipe, nothing
Damage detection device, Bidirectional-squeezing arm, railroad shoe；
The body is rectangular parallelepiped structure, and front end is welded with middle solid plate, and the control cabinet is installed in middle solid plate left side simultaneously
With body by being electrically connected, the middle solid plate is embedded in body front end and forms integral structure, and the rotation mouth is toroidal
It is embedded at solid plate front center and outside rotating extensible arm, the rotating extensible arm connects body in nothing through rotation mouth
Detection device is damaged, the mobile column is installed in body, control cabinet, middle solid plate front end and bottom for cylindricality and railroad shoe is slided and connected
Connect, the movable block is sheathed on outside mobile column and passes through bar and Bidirectional-squeezing by motor and movable block mobile link and rear end
Arm is fixedly connected, and the lifting pipe is flexibly connected in mobile column inside middle-end and with Bidirectional-squeezing arm, the nothing for tubular weldment
Damage detection device is arranged among Bidirectional-squeezing arm and is press-connected and is rotatably connected with rotating extensible arm, and the Bidirectional-squeezing arm leads to
Cross hole to be installed in lifting pipe upper and lower side and connect by movable block and lifting pipe lifting, it is anterior that the railroad shoe is arranged on middle solid plate
It is slidably connected with mobile column；
The non-destructive testing device by stretch cord, fixed link, bar groove, pull rod, rotate outer glue shell, connecting rod, mouth of connecting trough,
Fixed outer glue shell, telescopic rod, moving sheet, visit mouth, elastic force connecting filament, sensing chip, sense line, pressure measurement fixed link, pressure measurement telescopic rod,
Memory spring, stripper plate, connecting hole composition；
The stretch cord connecting rod is connected with connecting rod and pulling force, and the fixed link, which is fixed on, to be rotated on outer glue shell inner wall
Downside is simultaneously telescopically connected with connecting rod, and the bar groove is embedded in fixed link and is connected with pull rod slot, and the pull rod is fixed on
Upper and lower side is flexibly connected with bar groove inside the outer glue shell of rotation and bottom is connected with stretch cord, and the outer glue shell of the rotation is arranged on outside fixed
Glue shell rear portion is simultaneously rotatablely connected with rotating extensible arm, and the connecting rod is arranged on inside fixed link and rear portion passes through stretch cord and pull rod
It is connected, the mouth of connecting trough is embedded at fixed outer glue shell rear end both sides and is fixedly connected with the connecting rod, the outer glue shell of the fixation
It is connected for toroidal with pipe material inner wall, the telescopic rod is arranged on inside fixed outer glue shell with stripper plate right side and by fixed outer
Glue shell is flexibly connected with moving sheet, and the moving sheet is embedded in moving sheet for rectangular solder in telescopic rod lower part, the spy mouth
Portion, the elastic force connecting filament are connected with sensing chip, and the sensing chip is welded in pressure measurement telescopic rod and elastic force connecting filament junction,
The sensing line connection pressure measurement telescopic rod is simultaneously electrically connected with control cabinet, and the pressure measurement fixed link is sheathed on outside pressure measurement telescopic rod,
The pressure measurement telescopic rod is arranged between stripper plate and pressure measurement fixed link and is telescopically connected, and the memory spring is welded in fixed outer glue
Shell upper and lower side is connected with stripper plate elastic force, and the stripper plate is connected to pressure measurement telescopic rod for rectangular patch, and the connecting hole is arranged on
Rotate inside outer glue shell and between the fixed link of both sides.
Further, the telescopic rod, moving sheet in order to be opened in extruding to fixed outer glue shell both sides are distributed in, visiting
Mouthful, the convenient accurate detection of video recording.
Further, the connecting hole is embedded to rotate and is rotatably connected in the middle part of outer glue shell with rotating extensible arm, plays to pipe
The effect that material inner wall is promoted and withdrawn.
Further, the Bidirectional-squeezing arm further includes pushing plate, and the pushing plate is installed on the inside of Bidirectional-squeezing arm simultaneously
With rotating outer glue shell, fixed outer glue shell is press-connected, and plays guiding role.
Further, the outer glue shell of the rotation and fixed outer glue shell are toroidal, are just conducive to the detection of tubing inner arm
It is unobstructed.
Further, the outer glue shell of the rotation is rubber material, is played the role of wear-resisting.
Beneficial effect
Its operation principle：Internal body is equipped with motor, and rotating extensible arm rotates with motor and by rotating mouth through lifting
Pipe, which is connected to, rotates outer glue shell, and mobile column is moved forward by railroad shoe during work, and movable block is sheathed on mobile column outside and leads to
Cross that small machine carries out lifting connection and rear end is fixedly connected by bar with Bidirectional-squeezing arm, make Bidirectional-squeezing arm bidirectional-movement, it is logical
Crossing pushing plate will rotate inside the outer glue shell tubing suitable with fixed outer glue shell propulsion, be turned by rotating extensible arm with rotating outer glue shell
Promote in trend and carry out tubing damage detection, when entering inner wall, pull rod obtains extruding insertion rod groove, due to elastic force connecting rod to
Preceding pop-up, fixed outer glue shell are separated with rotating outer glue shell, are extruded by extruding memory spring with stripper plate, when stripper plate touches
Elastic force connecting filament changes during pressure measurement telescopic rod, and sensing chip obtains sensing and is transmitted to signal on control cabinet by sensing line,
Pressure tracking is carried out, explanation has damage herein when changing, and when telescopic rod extrudes mutually with moving sheet, visiting mouth one causes to pop one's head in
It can record a video, can reach accurate detection and adjustable motor rotation speed, and rotation direction, can control the speed of detection, improve
Work efficiency, and suitable for big small-sized tubing.
A kind of pipe material inner wall non-destructive testing device of the present invention, beneficial effects of the present invention are：In order to realize pipe material inner wall without
Inner wall Non-Destructive Testing can be carried out by the diameter of tubing by damaging detection device, judge damaged condition by pressure detecting transmission
And it is furnished with probe video recording, operation is simple to be detected into accuracy height, and for low cost simultaneously suitable for big small-sized tubing, limitation is small, conveniently makes
With.
Brief description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of structure diagram of pipe material inner wall non-destructive testing device of the present invention.
Fig. 2 is the structure diagram of pipe material inner wall non-destructive testing device plane of the present invention.
Fig. 3 is structure diagram when non-destructive testing device of the present invention detection enters tubing.
Fig. 4 is the structure diagram that non-destructive testing device detection device of the present invention is decomposed.
Fig. 5 is the structure diagram that non-destructive testing device detection device of the present invention enters tubing detection.
In figure：Body -1, control cabinet -2, middle solid plate -3, rotation mouth -4, rotating extensible arm -5, mobile column -6, movable block -
7th, lifting pipe -8, non-destructive testing device -9, Bidirectional-squeezing arm -10, railroad shoe -11, stretch cord -90, fixed link -91, bar groove -
92nd, pull rod -93, the outer glue shell -94 of rotation, connecting rod -95, mouth of connecting trough -96, fixed outer glue shell -97, telescopic rod -98, movement
Piece -99, spy mouth -910, elastic force connecting filament -911, sensing chip -912, sensing line -913, pressure measurement fixed link -914, pressure measurement are stretched
Bar -915, memory spring -916, stripper plate -917, connecting hole -918, pushing plate -101.
Embodiment
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand, with reference to
Embodiment, the present invention is further explained.
Embodiment
- Fig. 5 is please referred to Fig.1, the present invention provides a kind of pipe material inner wall non-destructive testing device:Its structure includes body 1, control
Case 2, middle solid plate 3, rotation mouth 4, rotating extensible arm 5, mobile column 6, movable block 7, lifting pipe 8, non-destructive testing device 9, it is two-way squeeze
Pressure arm 10, railroad shoe 11；
The body 1 is rectangular parallelepiped structure, and front end is welded with middle solid plate 3, and the control cabinet 2 is installed in middle 3 left end of solid plate
Face and with body 1 by being electrically connected, the middle solid plate 3 is embedded in 1 front end of body and forms integral structure, it is described rotation mouth 4
Middle 3 front center of solid plate is embedded at for toroidal and outside rotating extensible arm 5, and the rotating extensible arm 5 is through rotation mouth 4
Connect body 1 and be installed in body 1, control cabinet 2,3 front end of middle solid plate and bottom in non-destructive testing device 9, the mobile column 6 for cylindricality
Portion is slidably connected with railroad shoe 11, and the movable block 7 is sheathed on the outside of mobile column 6 and by motor and 7 mobile link of movable block
And rear end is fixedly connected by bar with Bidirectional-squeezing arm 10, the lifting pipe 8 for tubular weldment in 6 inside middle-end of mobile column and with
Bidirectional-squeezing arm 10 is flexibly connected, the non-destructive testing device 9 be arranged among Bidirectional-squeezing arm 10 and be press-connected and with rotation
Telescopic rod 5 is rotatably connected, and the Bidirectional-squeezing arm 10 is installed in 8 upper and lower side of lifting pipe and by movable block 7 with rising by hole
The lifting connection of pipe 8 is dropped, and the railroad shoe 11 is arranged on the middle front portion of solid plate 3 and is slidably connected with mobile column 6；
The non-destructive testing device 9 is by stretch cord 90, fixed link 91, bar groove 92, pull rod 93, the outer glue shell 94 of rotation, connection
Bar 95, mouth of connecting trough 96, fixed outer glue shell 97, telescopic rod 98, moving sheet 99, spy mouth 910, elastic force connecting filament 911, sensing chip
912nd, line 913, pressure measurement fixed link 914, pressure measurement telescopic rod 915, memory spring 916, stripper plate 917,918 groups of connecting hole are sensed
Into；
90 connecting rod 93 of stretch cord is connected with connecting rod 95 and pulling force, and the fixed link 91, which is fixed on, rotates outer glue
94 inner wall upper and lower sides of shell are simultaneously telescopically connected with connecting rod 95, and the bar groove 92 is embedded in fixed link 91 and connects with 93 slot of pull rod
Connect, the pull rod 93, which is fixed on, rotates that outer 94 inside upper and lower side of glue shell is flexibly connected with bar groove 92 and bottom is connected with stretch cord
90, the outer glue shell 94 of the rotation is arranged on fixed outer 97 rear portion of glue shell and is rotatablely connected with rotating extensible arm 5, and the connecting rod 95 is set
It is connected in the inside of fixed link 91 and rear portion by stretch cord 90 with pull rod 93, the mouth of connecting trough 96 is embedded at fixed outer glue shell
97 rear ends both sides are simultaneously fixedly connected with connecting rod 95, and the outer glue shell 97 of the fixation is connected for toroidal with pipe material inner wall, described
Telescopic rod 98 is arranged on the fixed outer inside of glue shell 97 and the right side of stripper plate 917 and is connected by fixed outer glue shell 97 and the activity of moving sheet 99
Connect, the moving sheet 99 is embedded at the middle part of moving sheet 99, the bullet for rectangular solder in 98 lower part of telescopic rod, the spy mouth 910
Power connecting filament 911 is connected with sensing chip 912, and the sensing chip 912 is welded in pressure measurement telescopic rod 915 and elastic force connecting filament 911
Junction, the sensing line 913 connect pressure measurement telescopic rod 915 and are electrically connected with control cabinet 2, and the pressure measurement fixed link 914 is arranged
Outside pressure measurement telescopic rod 915, the pressure measurement telescopic rod 915 is arranged between stripper plate 917 and pressure measurement fixed link 914 and flexible company
Connect, the memory spring 916 is welded in fixed outer 97 upper and lower side of glue shell and is connected with 917 elastic force of stripper plate, and the stripper plate 917 is
Rectangular patch is connected to pressure measurement telescopic rod 915, and the connecting hole 918, which is arranged on, to be rotated the outer inside of glue shell 94 and be arranged on both sides fixed link
Between 91.
The telescopic rod 98, moving sheet 99 are to fixed outer 97 both sides of glue shell are distributed in, mouth is visited in order to be opened in extruding
910, the convenient accurate detection of video recording, the connecting hole 918 is embedded at the outer middle part of glue shell 94 of rotation and connects with the rotation of rotating extensible arm 5
Connect, play the role of promoting and withdrawing to pipe material inner wall, the Bidirectional-squeezing arm 10 further includes pushing plate 101, the pushing plate
101 are installed in the inner side of Bidirectional-squeezing arm 10 and are press-connected with rotating outer glue shell 94, fixing outer glue shell 97, play guiding role,
The outer glue shell 94 of the rotation and fixed outer glue shell 97 are toroidal, and it is unobstructed to be just conducive to the detection of tubing inner arm, the rotation
Outer glue shell 94 is rubber material, is played the role of wear-resisting.
The present invention provides a kind of pipe material inner wall non-destructive testing device, its operation principle is：Body 1 is internally provided with motor, rotation
Turn telescopic rod 5 and motor and rotate and be connected to through lifting pipe 8 by rotating mouth 4 to rotate outer glue shell 94, mobile column 6 is led to during work
Cross railroad shoe 11 to move forward, movable block 7 is sheathed on the outside of mobile column 6 and carries out lifting connection by small machine and rear end passes through
Bar is fixedly connected with Bidirectional-squeezing arm 10, makes 10 bidirectional-movement of Bidirectional-squeezing arm, by pushing plate 101 will rotate outer glue shell 94 and
Inside the suitable tubing of the fixed outer propulsion of glue shell 97, inwardly promotion is rotated with the outer glue shell 94 of rotation by rotating extensible arm 5 and carry out pipe
Material damage detection, when entering inner wall, pull rod 93 obtains extruding insertion rod groove 92, since elastic force connecting rod 95 ejects forward, Gu
Fixed outer glue shell 97 is separated with rotating outer glue shell 94, is extruded by extruding memory spring 916 with stripper plate 917, when stripper plate 917 touches
Elastic force connecting filament 911 changes when encountering pressure measurement telescopic rod 915, and sensing chip 912 obtains sensing signal by sensing line 913
It is transmitted on control cabinet 2, carries out pressure tracking, explanation has damage herein when changing, and telescopic rod 98 and moving sheet 99 are mutual
During extruding, visiting mouth 910 1 causes probe to record a video, and can reach accurate detection and adjustable motor rotation speed, and rotation side
To, the speed of detection is can control, improves work efficiency, and suitable for big small-sized tubing.
The rubber of early stage of the present invention is taken from the latex of the plants such as rubber tree, kok-saghyz, manufactured tool after processing
The material of flexible, insulating properties, impermeable water and air.Elastomeric high-molecular compound.It is divided into natural rubber and synthetic rubber
Two kinds.Natural rubber is made of the extraction colloid post-processing from the plants such as rubber tree, kok-saghyz；Synthetic rubber is then by various monomers
It is aggregated reaction and obtain.Rubber is widely used in all aspects of industry or life.
The present invention solves the problems, such as it is that general structure complex operations are cumbersome and cost is higher and small-sized tubing can not be carried out
Non-Destructive Testing, limitation is larger, does not apply to, being combined with each other by above-mentioned component of the invention, in order to realize that pipe material inner wall is lossless
Detection device can carry out inner wall Non-Destructive Testing by the diameter of tubing, judge damaged condition simultaneously by pressure detecting transmission
Record a video equipped with probe, operation is simple to be detected into accuracy height, low cost and suitable for big small-sized tubing, and limitation is small, easy to use.
The basic principles, main features and the advantages of the invention have been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes fallen in the implication and scope of the equivalency of claim in the present invention
It is interior.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of pipe material inner wall non-destructive testing device, its structure includes body (1), control cabinet (2), middle solid plate (3), rotation mouth
(4), rotating extensible arm (5), mobile column (6), movable block (7), lifting pipe (8), non-destructive testing device (9), Bidirectional-squeezing arm
(10), railroad shoe (11)；It is characterized in that：
The body (1) is rectangular parallelepiped structure, and front end is welded with middle solid plate (3), and the control cabinet (2) is installed in middle solid plate (3)
Left side and with body (1) by being electrically connected, the middle solid plate (3) is embedded in body (1) front end and forms integral structure, institute
Rotation mouth (4) is stated to be embedded at middle solid plate (3) front center for toroidal and stretch arranged on rotating extensible arm (5) outside, the rotation
Contracting bar (5) is installed in machine in non-destructive testing device (9), the mobile column (6) through rotation mouth (4) connection body (1) for cylindricality
Body (1), control cabinet (2), middle solid plate (3) front end and bottom and railroad shoe (11) are slidably connected, and the movable block (7) is sheathed on shifting
Dynamic column (6) is exterior and is fixedly connected by motor with movable block (7) mobile link and rear end by bar with Bidirectional-squeezing arm (10),
The lifting pipe (8) is flexibly connected in the internal middle-end of mobile column (6) and with Bidirectional-squeezing arm (10) for tubular weldment, described lossless
Detection device (9) is arranged among Bidirectional-squeezing arm (10) and is press-connected and is rotatably connected with rotating extensible arm (5), described two-way
Extrusion arm (10) is installed in lifting pipe (8) upper and lower side by hole and is connected by movable block (7) and lifting pipe (8) lifting, institute
Railroad shoe (11) is stated to be slidably connected with mobile column (6) arranged on middle solid plate (3) front portion；
The non-destructive testing device (9) is by stretch cord (90), fixed link (91), bar groove (92), pull rod (93), the outer glue shell of rotation
(94), connecting rod (95), mouth of connecting trough (96), fixed outer glue shell (97), telescopic rod (98), moving sheet (99), spy mouth (910),
Elastic force connecting filament (911), sensing chip (912), sensing line (913), pressure measurement fixed link (914), pressure measurement telescopic rod (915), memory
Spring (916), stripper plate (917), connecting hole (918) composition；
Stretch cord (90) connecting rod (93) is connected with connecting rod (95) and pulling force, and the fixed link (91) is fixed on rotation
Outer glue shell (94) inner wall upper and lower sides are simultaneously telescopically connected with connecting rod (95), the bar groove (92) be embedded in fixed link (91) and with
Pull rod (93) slot connects, and the pull rod (93) is fixed on the internal upper and lower side of the outer glue shell (94) of rotation and is flexibly connected with bar groove (92)
And bottom is connected with stretch cord (90), the outer glue shell (94) of the rotation is arranged on fixed outer glue shell (97) rear portion and and rotating extensible arm
(5) it is rotatablely connected, the connecting rod (95) is arranged on the internal simultaneously rear portion of fixed link (91) and passes through stretch cord (90) and pull rod (93) phase
Connection, the mouth of connecting trough (96) is embedded at fixed outer glue shell (97) rear end both sides and is fixedly connected with connecting rod (95), described
Fixed outer glue shell (97) is connected for toroidal with pipe material inner wall, the telescopic rod (98) be arranged on fixed outer glue shell (97) inside and
It is flexibly connected on the right side of stripper plate (917) and by fixed outer glue shell (97) with moving sheet (99), the moving sheet (99) is rectangle
Be welded in telescopic rod (98) lower part, the spy mouth (910) is embedded in the middle part of moving sheet (99), the elastic force connecting filament (911) with
Sensing chip (912) is connected, and the sensing chip (912) is welded in pressure measurement telescopic rod (915) and is connected with elastic force connecting filament (911)
Place, sensing line (913) the connection pressure measurement telescopic rod (915) are simultaneously electrically connected, the pressure measurement fixed link (914) with control cabinet (2)
It is exterior to be sheathed on pressure measurement telescopic rod (915), the pressure measurement telescopic rod (915) is arranged on stripper plate (917) and pressure measurement fixed link (914)
Between and be telescopically connected, the memory spring (916) is welded in fixed outer glue shell (97) upper and lower side and stripper plate (917) elastic force company
Connect, the stripper plate (917) is connected to pressure measurement telescopic rod (915) for rectangular patch, and the connecting hole (918), which is arranged on, rotates outer glue
Shell (94) is internal and between both sides fixed link (91).
A kind of 2. pipe material inner wall non-destructive testing device according to claim 1, it is characterised in that：The telescopic rod (98),
Moving sheet (99) is to fixed outer glue shell (97) both sides are distributed in, mouth (910) is visited in order to be opened in extruding.
A kind of 3. pipe material inner wall non-destructive testing device according to claim 1, it is characterised in that：The connecting hole (918)
It is embedded to rotate and is rotatably connected in the middle part of outer glue shell (94) with rotating extensible arm (5).
A kind of 4. pipe material inner wall non-destructive testing device according to claim 1, it is characterised in that：The Bidirectional-squeezing arm
(10) pushing plate (101) is further included, the pushing plate (101) is installed on the inside of Bidirectional-squeezing arm (10) and with rotating outer glue shell
(94), fixed outer glue shell (97) is press-connected.
A kind of 5. pipe material inner wall non-destructive testing device according to claim 1, it is characterised in that：The outer glue shell of the rotation
(94) it is toroidal with fixed outer glue shell (97).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711185011.1A CN107976518B (en) | 2017-11-23 | 2017-11-23 | Nondestructive testing device for inner wall of pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711185011.1A CN107976518B (en) | 2017-11-23 | 2017-11-23 | Nondestructive testing device for inner wall of pipe |
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| Publication Number | Publication Date |
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| CN107976518A true CN107976518A (en) | 2018-05-01 |
| CN107976518B CN107976518B (en) | 2020-05-01 |
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| CN106979951A (en) * | 2017-04-12 | 2017-07-25 | 青岛北琪实业有限公司 | A kind of multi-functional inner wall surface the cannot-harm-detection device |
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|---|---|---|---|---|
| RU2102652C1 (en) * | 1994-06-02 | 1998-01-20 | Фирма "Саратовгазприборавтоматика" | Inter-tube flaw detector |
| US6239593B1 (en) * | 1998-09-21 | 2001-05-29 | Southwest Research Institute | Method and system for detecting and characterizing mechanical damage in pipelines using nonlinear harmonics techniques |
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| Publication number | Publication date |
|---|---|
| CN107976518B (en) | 2020-05-01 |
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