CN108844975B - X-ray external exposure type pipeline digital imaging detection device and detection method - Google Patents
X-ray external exposure type pipeline digital imaging detection device and detection method Download PDFInfo
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- CN108844975B CN108844975B CN201810747346.6A CN201810747346A CN108844975B CN 108844975 B CN108844975 B CN 108844975B CN 201810747346 A CN201810747346 A CN 201810747346A CN 108844975 B CN108844975 B CN 108844975B
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- 238000001514 detection method Methods 0.000 title claims abstract description 49
- 238000003384 imaging method Methods 0.000 title claims abstract description 27
- 230000009194 climbing Effects 0.000 claims abstract description 163
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 238000003466 welding Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 239000003638 chemical reducing agent Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 241000219098 Parthenocissus Species 0.000 claims description 4
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 239000010960 cold rolled steel Substances 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
Abstract
The invention discloses an X-ray external exposure type pipeline digital imaging detection device and a detection method, comprising the following steps: the device comprises an X-ray machine outer climbing vehicle, an imager outer climbing vehicle, an X-ray machine, a guide chain, an outer climbing vehicle guide rail, a chain pressing block, an adjustable supporting seat, a guide rail fastening handle, an imager and a remote controller; the X-ray machine outer climbing vehicle and the imager outer climbing vehicle are arranged on the outer climbing vehicle guide rail and are connected with the guide chain through the chain wheel in a meshed mode to carry out synchronous chain transmission, the outer wall of the steel pipe walks along the welding seam, the X-ray machine and the imager arranged on the bearing frame rotate along the circumference of the welding seam, meanwhile, the X-ray machine and the imager are started to work, and real-time imaging detection is carried out on the welding seam of the long pipe through the far-end controller.
Description
Technical Field
The invention relates to an X-ray detection device, in particular to an X-ray external exposure type pipeline digital imaging detection device and a detection method.
Background
At present, oil and natural gas equal-length pipelines are formed by welding a plurality of steel pipes, and in order to ensure the welding quality, X-ray nondestructive testing is carried out on a connecting welded junction between every two steel pipes. The imaging mode of the product is mainly film imaging whether it is domestic or foreign, the mode has the lagged technological conditions of on-site film shooting, film darkroom image processing, film evaluation, detection report lag and the like, the detection sensitivity is poor, the labor intensity is high, the detection efficiency is low, the detection cost is high, the detection result cannot be judged in real time, the lag seriously affects the engineering construction progress, and the film has the serious defects of short archiving time, high error rate and the like.
Disclosure of Invention
The invention provides an X-ray external exposure type pipeline digital imaging detection device and a detection method aiming at the problems.
The technical means of the invention are as follows: an X-ray external exposure type pipeline digital imaging detection device comprises: the device comprises an X-ray machine outer climbing vehicle, an imager outer climbing vehicle, an X-ray machine, a guide chain, an outer climbing vehicle guide rail, a chain pressing block, an adjustable supporting seat, a guide rail fastening handle, an imager and a remote controller; the long-distance transmission steel pipe is placed on the ground, a detection tunnel is dug at the ground of each weld joint to be detected, the outer climbing vehicle guide rail is placed on the periphery of the steel pipe of a detected workpiece in a circle, an adjustable supporting seat is arranged between the outer climbing vehicle guide rail and the steel pipe, the adjustable supporting seat is adjusted to enable the position of the outer climbing vehicle guide rail to be concentric with the outer diameter of the steel pipe, the outer climbing vehicle guide rail is a whole plate and is bent into an arc structure, guide rail fastening handles are arranged at the arc joints of the circumference of the outer climbing vehicle guide rail, the outer climbing vehicle guide rail is fastened and fixedly connected through the guide rail fastening handles, a guide chain is fixedly connected onto the outer climbing vehicle guide rail by penetrating a chain pressing block through screws, the outer climbing vehicle of the X-ray machine is in tight meshed connection with a fixed bearing frame through front and rear groups of movable bearing frames below the outer climbing vehicle, and is in meshed connection with a guide chain wheel through chain wheels above the outer climbing vehicle, a ray machine fixing frame is arranged on the outer climbing vehicle of the X-ray machine, the outer climbing vehicle is fixed in a 180-degree angle position relative to the outer climbing vehicle of the X-ray machine, the outer climbing vehicle is arranged on the front and rear groups of movable bearing frames are in tight meshed connection with the fixed bearing frames through chain wheels below the front and rear movable bearing frames are in tight connection with the outer bearing frames, and the front is arranged on the outer side of the outer frame is far-side of the outer frame of the X-ray machine, and the outer frame is far-distance device is far arranged, and the front is arranged and the front and the long-distance device is arranged and the front and the long-distance the steel is arranged and the device;
wherein the X-ray machine outer climbing vehicle 1 comprises: the device comprises a ray machine outer climbing vehicle bottom plate, an electric box I, a battery fixing sleeve I, a ray machine fixing frame, a movable bearing bracket, a chain wheel, a fixed bearing bracket, a battery, a bearing, a wireless module, a driving module, a motor and a speed reducer; an electric box I is arranged on the outer climbing vehicle bottom plate of the ray machine, a wireless module, a driving module, a motor and a speed reducer are arranged in the electric box I, the motor is fixedly connected with the speed reducer through screws, a chain wheel is arranged at the output shaft end of the speed reducer, a battery fixing sleeve I is arranged on the electric box I, a fixed battery is arranged in the battery fixing sleeve I, two groups of movable bearing frames and fixed bearing frames are respectively arranged at the front and rear positions below the outer climbing vehicle bottom plate of the ray machine, 3 groups of bearings are arranged in each group of movable bearing frames and the fixed bearing frames, the 3 groups of bearings are arranged in the vertical horizontal direction, the front and rear groups of movable bearing frames are oppositely arranged with bearing gaps of the fixed bearing frames, and the bearings are tightly matched with the outer climbing vehicle guide rail in a pushing mode and then are locked and fixed with the movable bearing frames;
wherein the imager outer creeper includes: the electric box II is internally provided with the wireless module, the driving module, the motor and the speed reducer are connected and fixed through screws, the output shaft end of the speed reducer is provided with the chain wheel, the battery fixing sleeve II is provided with the battery fixing sleeve II, the battery fixing sleeve II is internally provided with the fixed battery, the front and rear positions below the imager outer climbing bottom plate are respectively provided with two groups of movable bearing frames and fixed bearing frames, 3 groups of bearings are arranged in each group of movable bearing frames and the fixed bearing frames in the vertical horizontal direction, the front and rear groups of movable bearing frames and the bearing notch of the fixed bearing frames are oppositely arranged, and the bearings are tightly matched with the outer trolley guide rail in a pushing mode and then lock the fixed bearing frames.
The driving and walking method of the external climbing vehicle of the X-ray machine and the external climbing vehicle of the imager comprises the following steps: the outer climbing vehicle of the X-ray machine and the outer climbing vehicle of the imager are connected on the outer climbing vehicle guide rail through the movable bearing frame and the fixed bearing frame to slide, the motor drives the speed reducer to rotate, the chain wheel is driven to rotate, the chain wheel is meshed with the guide chain fixed on the outer climbing vehicle guide rail, and chain transmission is carried out, so that the outer climbing vehicle of the X-ray machine and the outer climbing vehicle of the imager synchronously move along the circumferential track.
Wherein the outer climbing trolley guide rail is formed by machining a spring steel plate or a stainless steel plate or a cold-rolled steel plate.
The detection method of the X-ray external exposure type pipeline digital imaging detection device comprises the following steps: the method comprises the steps that firstly, an annular outer climbing vehicle guide rail is opened and placed at a position, close to a welding line, of a steel pipe to be detected, and a guide chain is fixedly connected to the outer climbing vehicle guide rail by penetrating a chain pressing block through a screw; secondly, installing and adjusting an adjustable supporting seat to enable the position of the outer climbing vehicle guide rail to be concentric with the outer diameter of the steel pipe, and tensioning, locking and connecting the outer climbing vehicle guide rail by using a guide rail fastening handle; thirdly, adjusting the movable bearing frame, and enabling bearing grooves of the bearing frames on the outer climbing vehicle of the X-ray machine and the outer climbing vehicle of the imager to be meshed with the outer climbing vehicle guide rail, and synchronously adjusting chain wheels of the outer climbing vehicle of the X-ray machine and the outer climbing vehicle of the imager to be meshed with the guide chain; fourthly, installing an X-ray machine and an imager, and adjusting the center of a window of the X-ray machine and the center of the imager to be aligned with a welding line; fifthly, starting a remote controller, respectively controlling the outer climbing vehicle of the movable X-ray machine and the outer climbing vehicle of the imager to form 180-degree relative positions through a wireless module and a driving module, synchronously starting the operation of the X-ray machine, starting the operation of the imaging plate, controlling the outer climbing vehicle of the X-ray machine and the outer climbing vehicle of the imager to synchronously rotate along a circumferential track, and carrying the X-ray machine and the imager to synchronously rotate along a steel pipe for one circle; sixthly, the imager receives X-ray converted imaging transmitted by the other side, and sends signals to the remote controller in real time through the wireless module for real-time imaging detection and filing; seventhly, stopping rotating after the whole welding line is detected after walking for one circle, and controlling to close the X-ray and the imager to complete the detection of the welding line; eighth, after the detection is finished, the adjustable supporting seat is disassembled, the climbing trolley guide rail and the climbing trolley on the adjustable supporting seat are moved to the position of the next welding line to be detected, the adjustable supporting seat is reinstalled and adjusted, and the detection is carried out in the fifth step and the sixth step repeatedly.
By adopting the technical scheme, the real-time detection of real-time imaging can be carried out on the long-distance pipeline of the steel pipe, a plurality of defects of the traditional film shooting detection process are overcome, the detection precision is high, the electronic high-precision storage period is long, the economic cost is saved, the detection efficiency is greatly improved, the whole engineering period of the pipeline is shortened, and the method is suitable for wide popularization.
Drawings
FIG. 1 is a front view of the present device;
FIG. 2 is a side view of the present device of FIG. 1;
FIG. 3 is a front view of the outer creeper of FIG. 1;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a front view of the outer creeper of the imager of FIG. 1;
FIG. 7 is a side view of FIG. 6;
FIG. 8 is a top view of FIG. 6;
in the figure: 1. the X-ray machine outer climbing vehicle comprises an X-ray machine outer climbing vehicle 2, an imager outer climbing vehicle 3, an X-ray machine, 4, a guide chain, 5, an outer climbing vehicle guide rail, 6, a chain pressing block, 7, an adjustable supporting seat, 8, a guide rail fastening handle, 9, an imager, 10, a remote controller, 11, a steel pipe, 101, a ray machine outer climbing vehicle bottom plate, 102, an electric box I, 103, a battery fixing sleeve I, 104, a ray machine fixing frame, 105, a movable bearing frame, 106, a sprocket, 107, a fixed bearing frame, 108, a battery, 109, a bearing, 110, a wireless module, 111, a driving module, 112, a motor, 113, a speed reducer, 201, an imager outer climbing vehicle bottom plate, 202, an electric box II, 203, a battery fixing sleeve II and 204.
Detailed Description
An X-ray external exposure type pipeline digital imaging detection device and a detection method are shown in fig. 1-8. The X-ray external exposure type pipeline digital imaging detection device comprises: the external climbing vehicle comprises an external climbing vehicle 1 of an X-ray machine, an external climbing vehicle 2 of an imager, an X-ray machine 3, a guide chain 4, an external climbing vehicle guide rail 5, a chain pressing block 6, an adjustable supporting seat 7, a guide rail fastening handle 8, an imager 9 and a remote controller 10; the long-distance transmission steel pipe 11 is placed on the ground, a detection tunnel is dug at the ground of each weld joint to be detected, the outer climbing vehicle guide rail 5 is placed on the periphery of the steel pipe 11 of the detected workpiece, an adjustable supporting seat 7 is arranged between the outer climbing vehicle guide rail 5 and the steel pipe 11, the adjustable supporting seat 7 is adjusted to enable the position of the outer climbing vehicle guide rail 5 to be concentric with the outer diameter of the steel pipe 11, the outer climbing vehicle guide rail 5 is of a whole plate and bent into an arc structure, a guide rail fastening handle 8 is arranged at the circumferential arc joint of the outer climbing vehicle guide rail 5, the outer climbing vehicle guide rail 5 is tensioned, locked, fixedly connected and the guide chain 4 is fixedly connected on the outer climbing vehicle guide rail 5 by a screw penetrating through the chain pressing block 6, the X-ray machine outer climbing vehicle 1 is in propping and engaging connection with the outer climbing vehicle guide rail 5 through a front movable bearing frame 105 and a rear movable bearing frame 107 under the X-ray machine outer climbing vehicle 1, is in engaging connection with a guide chain 4 through a chain wheel 106 on the X-ray machine outer climbing vehicle 1 and is driven, a ray machine fixing frame 104 is arranged on the X-ray machine outer climbing vehicle 1, an X-ray machine 3 is fixedly arranged on the X-ray machine outer climbing vehicle 2, the X-ray machine outer climbing vehicle 1 forms an angle of 180 degrees with the X-ray machine outer climbing vehicle 2, the front movable bearing frame 105 and the rear movable bearing frame 107 under the X-ray machine outer climbing vehicle 2 are in propping and engaging connection with the outer climbing vehicle guide rail 5, and are in engaging connection with the guide chain 4 through a chain wheel 106 on the X-ray machine outer climbing vehicle 2, an imager fixing frame 204 is arranged on the imager outer climbing vehicle 2, and a far-end controller 10 is arranged on the far-end ground to remotely operate;
wherein the X-ray machine outer climbing vehicle 1 comprises: the external climbing vehicle comprises a ray machine external climbing vehicle bottom plate 101, an electric box I102, a battery fixing sleeve I103, a ray machine fixing frame 104, a movable bearing frame 105, a chain wheel 106, a fixed bearing frame 107, a battery 108, a bearing 109, a wireless module 110, a driving module 111, a motor 112 and a speed reducer 113; an electric box I102 is arranged on the outer climbing vehicle bottom plate 101 of the ray machine, a wireless module 110, a driving module 111, a motor 112 and a speed reducer 113 are arranged in the electric box I102, the motor 112 is fixedly connected with the speed reducer 113 through screws, a chain wheel 106 is arranged at the output shaft end of the speed reducer, a battery fixing sleeve I103 is arranged on the electric box I102, a fixed battery 108 is arranged in the battery fixing sleeve I103, two groups of movable bearing frames 105 and fixed bearing frames 107 are respectively arranged at the front and rear positions below the outer climbing vehicle bottom plate 101 of the ray machine, 3 groups of bearings 109,3 are arranged in each group of movable bearing frames 105 and the fixed bearing frames 107 in a vertical horizontal direction, the movable bearing frames 105 and bearing gaps of the fixed bearing frames 107 are oppositely arranged, and the bearings 109 are tightly matched with the outer climbing vehicle guide rail 5 in a pushing mode and then are locked and fixed with the movable bearing frames 105;
wherein the imager external climbing vehicle 2 comprises: the electric box two 202, the battery fixed sleeve two 203, the imager mount 204, the movable bearing frame 105, the sprocket 106, the fixed bearing frame 107, the battery 108, the bearing 109, the wireless module 110, the driving module 111, the motor 112, the speed reducer 113, install the electric box two 202 on the imager outer climbing car bottom plate 201, the wireless module 110 is installed to the electric box two 202 internally mounted, the driving module 111, the motor 112, the speed reducer 113, the motor 112 passes through the screw and is connected fixedly with the speed reducer 113, the sprocket 106 is installed to the speed reducer output shaft end, the battery fixed sleeve two 203 is installed to the upper surface of the electric box two 202, the battery fixed sleeve two 203 internally installed and is fixed with the battery 108, two sets of movable bearing frames 105 and fixed bearing frames 107 are installed respectively in front and back positions under the imager outer climbing car bottom plate 201, 3 sets of bearings 109,3 are installed in each set of bearing frames 105 and fixed bearing frames 107 in the vertical horizontal direction, the movable bearing frames 105 and the bearing gaps of the fixed bearing frames 107 are oppositely arranged, and the bearing 109 and the outer climbing car top 5 is matched with the movable bearing frames 105.
The X-ray machine adopts a mobile 300HP ray machine in the prior art, but is not limited to the mobile 300HP ray machine, and can also be a portable ray machine or a micro-focus ray machine.
Wherein the remote controller 10 is a prior art, and adopts an HR-PC-1 type controller.
The driving walking method of the X-ray machine outer climbing vehicle 1 and the imager outer climbing vehicle 2 comprises the following steps: the outer climbing vehicle 1 of the X-ray machine and the outer climbing vehicle 2 of the imager are connected to slide on the outer climbing vehicle guide rail 5 through the movable bearing frame 105 and the fixed bearing frame 107, the motor drives the speed reducer to rotate, the chain wheel 106 is driven to rotate, the chain wheel 106 is meshed with the guide chain 4 fixed on the outer climbing vehicle guide rail 5, and chain transmission is carried out, so that the outer climbing vehicle 1 of the X-ray machine and the outer climbing vehicle 2 of the imager synchronously move along the circumferential track.
The mechanical transmission mechanism of the device is driven by a chain wheel and a chain, but the transmission mechanism of the invention is not limited to the chain wheel and the chain transmission, and can also be in gear transmission, rack structure and belt transmission.
Wherein the outer climbing trolley guide rail 5 is formed by machining a spring steel plate or a stainless steel plate or a cold-rolled steel plate.
The motor 112 is a standard servo motor, but is not limited to a servo motor, and can be a common motor or a stepping motor.
The speed reducer 113 is formed by the existing standard, and the model is HRCD-0557S type.
Wherein the driving module 111 adopts the prior art that the model is AFP0RC16CT, and cooperates with the control driving integral device to work.
The wireless module 110 adopts the prior art model number of which is KYL-314L type to control the transmission of the received signal data.
The imager is a prior art, and adopts a flat panel digital imager, the model of which is XRD0822AP3, but the imager is not limited to the flat panel imager and can also be a line scanner.
The detection method of the X-ray external exposure type pipeline digital imaging detection device comprises the following steps: firstly, an annular outer climbing vehicle guide rail 5 is opened and placed at a position, close to a weld joint, of a steel pipe 11 to be detected, and a screw penetrates through a chain pressing block 6 to fixedly connect a guide chain 4 on the outer climbing vehicle guide rail 5; secondly, installing and adjusting an adjustable supporting seat 7 to enable the position of the outer climbing vehicle guide rail 5 to be concentric with the outer diameter of the steel pipe 11, and tensioning, locking and connecting the outer climbing vehicle guide rail 5 by using a guide rail fastening handle 8; thirdly, adjusting a movable bearing frame 105, and enabling bearing grooves of bearing frames on the outer climbing vehicle 1 and the outer climbing vehicle 2 of the imager to be meshed with the outer climbing vehicle guide rail 5, and synchronously adjusting chain wheels 106 of the outer climbing vehicle 1 and the outer climbing vehicle 2 of the imager to be meshed with the guide chain 4; fourthly, installing the X-ray machine 3 and the imager 9, and adjusting the center of a window of the X-ray machine and the center of the imager 9 to be aligned with the welding line; fifthly, starting a remote controller 10, respectively controlling the movable X-ray machine outer climbing vehicle 1 and the imager outer climbing vehicle 2 to form 180-degree relative positions through a wireless module 110 and a driving module 111, synchronously starting the operation of the X-ray machine, starting the operation of an imaging plate, controlling the X-ray machine outer climbing vehicle 1 and the imager outer climbing vehicle 2 to synchronously rotate along a circumferential track, and synchronously carrying the X-ray machine 3 and the imager 9 to relatively rotate along a steel pipe 11 for one circle; sixthly, the imager 9 receives X-ray converted imaging transmitted by the other side, and sends signals to the remote controller 10 in real time through the wireless module 110 for real-time imaging detection and filing; seventhly, stopping rotating after the whole welding line is detected after walking for one circle, and controlling to close the X-ray and the imager 9 to finish the detection of the welding line; eighth, after the detection is finished, the adjustable support seat 7 is disassembled, the climbing trolley guide rail 5 and the climbing trolley on the adjustable support seat are moved to the position of the next welding line to be detected, the adjustable support seat 7 is reinstalled and adjusted, and the detection is carried out in the fifth step and the sixth step repeatedly.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. An X-ray external exposure type pipeline digital imaging detection device is characterized in that: the device comprises an X-ray machine outer climbing vehicle, an imager outer climbing vehicle, an X-ray machine, a guide chain, an outer climbing vehicle guide rail, a chain pressing block, an adjustable supporting seat, a guide rail fastening handle, an imager and a remote controller; the long-distance transmission steel pipe is placed on the ground, a detection tunnel is dug at the ground of each weld joint to be detected, the outer climbing vehicle guide rail is placed on the periphery of the steel pipe of a detected workpiece in a circle, an adjustable supporting seat is arranged between the outer climbing vehicle guide rail and the steel pipe, the adjustable supporting seat is adjusted to enable the position of the outer climbing vehicle guide rail to be concentric with the outer diameter of the steel pipe, the outer climbing vehicle guide rail is a whole plate and is bent into an arc structure, guide rail fastening handles are arranged at the arc joints of the circumference of the outer climbing vehicle guide rail, the outer climbing vehicle guide rail is fastened and fixedly connected through the guide rail fastening handles, a guide chain is fixedly connected onto the outer climbing vehicle guide rail by penetrating a chain pressing block through screws, the outer climbing vehicle of the X-ray machine is in tight meshed connection with a fixed bearing frame through front and rear groups of movable bearing frames below the outer climbing vehicle, and is in meshed connection with a guide chain wheel through chain wheels above the outer climbing vehicle, a ray machine fixing frame is arranged on the outer climbing vehicle of the X-ray machine, the outer climbing vehicle is fixed in a 180-degree angle position relative to the outer climbing vehicle of the X-ray machine, the outer climbing vehicle is arranged on the front and rear groups of movable bearing frames are in tight meshed connection with the fixed bearing frames through chain wheels below the front and rear movable bearing frames are in tight connection with the outer bearing frames, and the front is arranged on the outer side of the outer frame is far-side of the outer frame of the X-ray machine, and the outer frame is far-distance device is far arranged, and the front is arranged and the front and the long-distance device is arranged and the front and the long-distance the steel is arranged and the device;
wherein the X-ray machine outer climbing vehicle 1 comprises: the device comprises a ray machine outer climbing vehicle bottom plate, an electric box I, a battery fixing sleeve I, a ray machine fixing frame, a movable bearing bracket, a chain wheel, a fixed bearing bracket, a battery, a bearing, a wireless module, a driving module, a motor and a speed reducer; an electric box I is arranged on the outer climbing vehicle bottom plate of the ray machine, a wireless module, a driving module, a motor and a speed reducer are arranged in the electric box I, the motor is fixedly connected with the speed reducer through screws, a chain wheel is arranged at the output shaft end of the speed reducer, a battery fixing sleeve I is arranged on the electric box I, a fixed battery is arranged in the battery fixing sleeve I, two groups of movable bearing frames and fixed bearing frames are respectively arranged at the front and rear positions below the outer climbing vehicle bottom plate of the ray machine, 3 groups of bearings are arranged in each group of movable bearing frames and the fixed bearing frames, the 3 groups of bearings are arranged in the vertical horizontal direction, the front and rear groups of movable bearing frames are oppositely arranged with bearing gaps of the fixed bearing frames, and the bearings are tightly matched with the outer climbing vehicle guide rail in a pushing mode and then are locked and fixed with the movable bearing frames;
wherein the imager outer creeper includes: the electric box II is internally provided with the wireless module, the driving module, the motor and the speed reducer are connected and fixed through screws, the output shaft end of the speed reducer is provided with the chain wheel, the battery fixing sleeve II is provided with the battery fixing sleeve II, the battery fixing sleeve II is internally provided with the fixed battery, the front and rear positions below the imager outer climbing bottom plate are respectively provided with two groups of movable bearing frames and fixed bearing frames, 3 groups of bearings are arranged in each group of movable bearing frames and the fixed bearing frames in the vertical horizontal direction, the front and rear groups of movable bearing frames and the bearing notch of the fixed bearing frames are oppositely arranged, and the bearings are tightly matched with the outer trolley guide rail in a pushing mode and then lock the fixed bearing frames.
2. An X-ray exposure pipeline digital imaging detection apparatus according to claim 1, wherein: an X-ray machine outer climbing vehicle and an imager outer climbing vehicle driving walking method comprises the following steps: the outer climbing vehicle of the X-ray machine and the outer climbing vehicle of the imager are connected on the outer climbing vehicle guide rail through the movable bearing frame and the fixed bearing frame to slide, the motor drives the speed reducer to rotate, the chain wheel is driven to rotate, the chain wheel is meshed with the guide chain fixed on the outer climbing vehicle guide rail, and chain transmission is carried out, so that the outer climbing vehicle of the X-ray machine and the outer climbing vehicle of the imager synchronously move along the circumferential track.
3. An X-ray exposure pipeline digital imaging detection apparatus according to claim 1, wherein: the outer climbing car guide rail is formed by machining a spring steel plate or a stainless steel plate or a cold-rolled steel plate.
4. The detection method of the X-ray external exposure type pipeline digital imaging detection device according to claim 1, wherein the detection method comprises the following steps: the method comprises the steps that firstly, an annular outer climbing vehicle guide rail is opened and placed at a position, close to a welding line, of a steel pipe to be detected, and a guide chain is fixedly connected to the outer climbing vehicle guide rail by penetrating a chain pressing block through a screw; secondly, installing and adjusting an adjustable supporting seat to enable the position of the outer climbing vehicle guide rail to be concentric with the outer diameter of the steel pipe, and tensioning, locking and connecting the outer climbing vehicle guide rail by using a guide rail fastening handle; thirdly, adjusting the movable bearing frame, and enabling bearing grooves of the bearing frames on the outer climbing vehicle of the X-ray machine and the outer climbing vehicle of the imager to be meshed with the outer climbing vehicle guide rail, and synchronously adjusting chain wheels of the outer climbing vehicle of the X-ray machine and the outer climbing vehicle of the imager to be meshed with the guide chain; fourthly, installing an X-ray machine and an imager, and adjusting the center of a window of the X-ray machine and the center of the imager to be aligned with a welding line; fifthly, starting a remote controller, respectively controlling the outer climbing vehicle of the movable X-ray machine and the outer climbing vehicle of the imager to form 180-degree relative positions through a wireless module and a driving module, synchronously starting the operation of the X-ray machine, starting the operation of the imaging plate, controlling the outer climbing vehicle of the X-ray machine and the outer climbing vehicle of the imager to synchronously rotate along a circumferential track, and carrying the X-ray machine and the imager to synchronously rotate along a steel pipe for one circle; sixthly, the imager receives X-ray converted imaging transmitted by the other side, and sends signals to the remote controller in real time through the wireless module for real-time imaging detection and filing; seventhly, stopping rotating after the whole welding line is detected after walking for one circle, and controlling to close the X-ray and the imager to complete the detection of the welding line; eighth, after the detection is finished, the adjustable supporting seat is disassembled, the climbing trolley guide rail and the climbing trolley on the adjustable supporting seat are moved to the position of the next welding line to be detected, the adjustable supporting seat is reinstalled and adjusted, and the detection is carried out in the fifth step and the sixth step repeatedly.
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| CN201810747346.6A CN108844975B (en) | 2018-07-10 | 2018-07-10 | X-ray external exposure type pipeline digital imaging detection device and detection method |
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| CN201810747346.6A CN108844975B (en) | 2018-07-10 | 2018-07-10 | X-ray external exposure type pipeline digital imaging detection device and detection method |
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| CN108844975B true CN108844975B (en) | 2024-04-02 |
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| CN109342467A (en) * | 2018-11-29 | 2019-02-15 | 湘潭市汇丰设备制造有限公司 | Pipeline automatic flaw detection locating and detecting device |
| CN110131519B (en) * | 2019-04-17 | 2020-12-08 | 贵阳欧比特宇航科技有限公司 | Pipeline inspection robot |
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