CN114113160B - Hydraulic push rod linkage X-ray detection method - Google Patents

Hydraulic push rod linkage X-ray detection method Download PDF

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CN114113160B
CN114113160B CN202111429483.3A CN202111429483A CN114113160B CN 114113160 B CN114113160 B CN 114113160B CN 202111429483 A CN202111429483 A CN 202111429483A CN 114113160 B CN114113160 B CN 114113160B
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push rod
detection
steel pipe
lifting
ray machine
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CN114113160A (en
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夏海涛
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating 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
    • G01N23/02Investigating 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
    • G01N23/04Investigating 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/03Investigating materials by wave or particle radiation by transmission
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/10Different kinds of radiation or particles
    • G01N2223/101Different kinds of radiation or particles electromagnetic radiation
    • G01N2223/1016X-ray

Abstract

A hydraulic push rod linkage type spiral weld steel pipe X-ray digital flat plate detection device. The device consists of a multistage hydraulic imager push rod device, a movable lifting ray machine device, a split conveying roller way, a lifting rotating way and a system control console. After feedback and summarization are carried out on each information through a system control console, a driving control command is sent, a split conveying roller way and a lifting rotating way are sequentially driven to convey the steel pipe into a detection chamber, then jacking is carried out, positioning is adjusted, a multistage hydraulic imager push rod device and a mobile lifting ray machine device are synchronously driven, an X-ray machine and an imager are carried, the X-ray machine and the imager are matched with the lifting rotating way to rotate along a track, and real-time linkage detection is carried out on a spiral weld joint of the steel pipe. The invention overcomes the defects of the traditional detection method and the prior art, saves the length space of the detection chamber, greatly improves the safety and reliability, greatly saves the equipment cost due to the simple and reliable structure, and has the advantages of convenient and simple installation and maintenance, high detection sensitivity, high detection stability and efficiency and the like.

Description

Hydraulic push rod linkage X-ray detection method
Technical Field
The invention relates to a hydraulic push rod linkage X-ray detection method, in particular to a hydraulic push rod linkage spiral weld steel pipe X-ray detection device and a detection method.
Background
In recent years, the requirements for the spiral weld steel pipe are increasing, and the spiral weld steel pipe detection technology is also rapidly developed. At present, the traditional spiral weld steel pipe detection method still uses a stretching probe arm with the length of more than ten meters to install a ray machine, a shed roof is lifted or laterally stretches out to install an imager, the imager of the ray machine is relatively static and fixed, and a large-scale detection flatcar carries the steel pipe to integrally move to carry out detection, so that the detection can be completed only by a special detection chamber with the integral length at least greater than twice the length of the steel pipe, the space layout of a field is wasted, and the ray protection cost, the cost of mechanical equipment such as a large-scale detection car and the like are increased. The ray machine is hung on a long detection arm, the detection sensitivity is low due to overlong high-voltage cables, and the ray machine has the defects of difficult equipment maintenance, low efficiency and the like.
In chinese patent application publication CN102608140a, a steel pipe weld X-ray real-time imaging detection device is disclosed. The device comprises a conveying roller assembly which is arranged in a detection protection chamber and used for bearing a workpiece to be detected, a lifting rotary wheel assembly is arranged between the conveying roller assemblies, and an X-ray receiving device assembly, a cantilever jacking assembly and an X-ray tube supporting assembly are arranged in the detection protection chamber. The welding seam of the tubular object is detected. The device has the characteristics of small occupied area, low energy consumption, simple and convenient installation, high detection efficiency, capital and energy conservation, cost reduction and the like. However, according to the detailed description thereof, the inventive device has the following drawbacks: 1. because the arm detection structure of the device is huge and complex, the extending structure is wide, the corresponding detection steel pipe range is limited, and the small-diameter steel pipe cannot be detected. 2. When the steel pipe is put on, the steel pipe needs to pass the arm that surveys that extends always when carrying along the rollgang, and when carrying the less steel pipe of diameter, the steel pipe can take place to get rid of the tail, the condition of beating, can take place to visit arm check out test set and steel pipe inner wall's collision danger, and when rising the rotatory wheel and closing the piece and holding up the steel pipe in the palm in addition, the steel pipe can upwards remove, also has the danger of bumping with the fixed arm that surveys in the middle of the steel pipe of static, influence moreover and detect the scope of steel pipe little, the security performance is poor. 3.X the light pipe supports the assembly for installing on the side wall, stretches out very long to the suspension moving structure of detecting the room top, this structure is complicated and heavy, stretches out and hangs on a take-off altitude, stretches out the distance far away, installs and debugs difficulty, equipment maintenance such as X fluorescent lamp is difficult, equipment cost is also very high, frequent work, the potential safety hazard is huge.
Disclosure of Invention
Aiming at the defects of the existing ray detection method, the invention provides the hydraulic push rod linkage type spiral weld steel pipe X-ray digital flat plate detection device and the detection method which can save the space layout of a field, are safer and more reliable, have a larger detection range and can greatly reduce the ray protection cost and the mechanical equipment cost. The method has the advantages of simplicity in equipment installation and maintenance, high detection sensitivity, high detection efficiency and the like.
The specific technical measures for solving the technical problems are as follows: an X-ray detection device and a detection method for a hydraulic push rod linkage type spiral weld steel pipe.
Hydraulic push rod coordinated type spiral weld steel pipe X ray detection device includes: the system comprises a multi-stage hydraulic imager push rod device, a movable lifting ray machine device, a split type conveying roller way, a lifting rotating way and a system control console, wherein the multi-stage hydraulic imager push rod device is arranged at one end of a detection chamber, the movable lifting ray machine device is arranged on a ground track in the middle of the detection chamber and can be used for walking in front, the split type conveying roller way is arranged in the center of the detection chamber at intervals, the lifting rotating way is arranged in the middle of the split type conveying roller way, and the system control console is arranged outside the detection chamber; after feedback and summarization are carried out on each information, a system control console sends a driving control command, a split conveying roller way and a lifting rotary way are sequentially driven to convey a spiral weld steel pipe to be detected into a detection chamber, then jacking adjustment and positioning are carried out, a multistage hydraulic imager push rod device and a movable lifting ray machine device are synchronously driven to move, and the rotary way is matched to rotate according to a preset rotating speed, so that real-time synchronous synthesis detection of the spiral weld of the steel pipe by an X-ray machine and an imager is realized;
wherein the multistage hydraulic imager pusher device comprises: the system comprises a push rod device frame, a lifting pulley block, a lifting driving motor speed reducer, a system counterweight hydraulic station, a multi-stage hydraulic push rod, an automatic winding device, an imaging plate mounting fixing frame and a camera sensor, wherein the lifting pulley block is fixed on the push rod device frame, the pulley block at the lower end of the lifting pulley block is fixed on the multi-stage hydraulic push rod, a steel wire rope at the other end of the pulley block is connected with the lifting driving motor speed reducer, the multi-stage hydraulic push rod is connected with a guide groove on the push rod device frame through a guide wheel on the push rod frame, the automatic winding device is mounted on the push rod frame of the multi-stage hydraulic push rod, the imaging plate mounting fixing frame is mounted at the foremost end of the multi-stage hydraulic push rod, the camera sensor is mounted at the front end of the imaging plate mounting fixing frame, and the system counterweight hydraulic 4 is arranged at the rear end of the multi-stage hydraulic push rod;
wherein the mobile lift ray machine apparatus comprises: the X-ray machine comprises a high-voltage controller, a transverse moving bottom plate, a ray machine lifting device, a ray machine installation fixture and a transverse driving device, wherein the high-voltage controller is fixedly installed on the transverse moving bottom plate, the ray machine lifting device is installed on the transverse moving bottom plate, the X-ray machine installation fixture is installed on the ray machine lifting device to install and fix the X-ray machine, and the transverse driving device is fixedly installed on the transverse moving bottom plate.
The movable lifting ray machine device is driven by a gear-rack structure, a movable guide rail and a driving guide rack are arranged below the movable lifting ray machine device, a transverse driving motor and a gear are arranged above the movable lifting ray machine device, and the gear-rack is driven to drive through rotation of the motor, so that the movable lifting ray machine device is driven to transversely move along a fixed track.
The split type rollgang comprises: the two sides of the conical roller way are fixed on the roller way side bracket through bearing seats, and the conical roller way is driven to work through the reduction of the driving motor arranged on the roller way side bracket.
The installation mode of the two independent conical roller tables of the split type conveying roller table is as follows: the steel pipeline inspection device is symmetrically distributed along the central line of the inspection steel pipeline, is installed on the ground of the inspection room in a mode of being opposite to each other and leaving a transillumination gap in the middle.
The number of the split conveying roller ways arranged in the detection flaw detection chamber according to the length of the standard detection steel pipe is as follows: the front and back groups are uniformly arranged with 3 groups or 4 groups or 5 groups.
The split type lifting rotating channel comprises: the device comprises a rotary roller way, a rotary driving motor speed reducer and a hydraulic cylinder device, wherein the hydraulic cylinder device is fixed on the ground in a detection flaw detection room, the rotary roller way is fixed on a connecting plate above the hydraulic cylinder device through a bearing seat, and the rotary driving motor speed reducer is fixedly arranged on the connecting plate above the hydraulic cylinder device and connected with the rotary roller way to drive the roller way to rotate.
The installation mode of the two independent rotary roller tables of the split lifting rotary channel is as follows: the steel pipeline inspection device is symmetrically distributed along the central line of the inspection steel pipeline, is installed on the ground of the inspection room in a mode of being opposite to each other and leaving a transillumination gap in the middle.
The number of split lifting rotary channels arranged in the detection flaw detection chamber according to the length of the standard detection steel pipe is as follows: the front and back of the device are uniformly provided with 2 groups, or uniformly provided with 3 groups or uniformly provided with 4 groups,
the system console is a control center of the linkage detection system and is provided with a motion control card, an operation panel, an X-ray digital imaging system controller, a sensor receiving control element, a hydraulic station control unit and an alarm prompting element part, and is responsible for the information synthesis feedback, the information processing, the program operation and the driving control of the whole system.
The detection method of the hydraulic push rod linkage type spiral weld steel pipe X-ray detection device is characterized by comprising the following steps of:
first, preparation: and according to the detected steel pipe model, the system control console sends a driving command, adjusts the push rod device of the multi-stage hydraulic imager, contracts to an initial state, and moves the lifting ray machine device to an initial section position. The system console opens a protective lead door of the flaw detection chamber;
secondly, a pipe feeding stage: the system control console sends a driving command to control the split type conveying roller way in the detection flaw detection chamber and the standard conveying roller way outside the detection flaw detection chamber to rotate simultaneously, and the spiral weld steel pipe to be detected on the standard conveying roller way outside the detection flaw detection chamber is conveyed into the detection chamber. And the system control console controls the indoor split type conveying roller way to stop rotating according to the position signal sent by the photoelectric sensor so as to control the stop position of the steel pipe, so that the front port of the steel pipe is aligned with the center position of the window of the ray machine. The system console drives the protective lead door to be closed;
thirdly, jacking the rotary positioning welding line: the system control console sends a driving command to drive a jacking hydraulic cylinder in the split lifting rotary channel to synchronously jack up a steel pipeline to be detected, and simultaneously drives a rotary roller way to rotate so as to rotate a steel pipe, adjust a multi-stage hydraulic push rod, extend an imaging plate at the front end into the pipe end to correspond to a ray window, observe the position of a welding line through an inner welding line observation camera arranged at the front end of an imaging plate mounting fixing frame, and rotate an end welding line of the steel pipe to the lowest end;
fourth, X-ray focusing and positioning stage: the system console sends a driving command, the ray imaging starts focusing operation, the push rod device of the multistage hydraulic imager is controlled and adjusted to descend, the imaging plate fixed at the front end is close to the inner weld joint, the ray machine lifting device of the movable ray machine lifting device is controlled and adjusted to work, the position is adjusted up and down, and the focal length position is adjusted to achieve the best effect;
fifth step, linkage X-ray imaging stage: the system control console controls the hydraulic station to work, synchronously drives the multistage hydraulic push rod on the multistage hydraulic imager push rod device to extend forwards at a constant speed, and the automatic winding device synchronously rotates forwards to work, and is matched with the conveying control cable to carry the imaging plate with the fixed front end to move forwards at a constant speed, and meanwhile, the transverse driving device of the lifting ray machine device is moved to work, and the X-ray machine is carried to synchronously link relative to the imager. At the moment, the system control console drives a rotary roller way in the split lifting rotary channel to rotate at a constant speed according to the calculated set speed according to the diameter of the weld joint of the spiral welded pipe and the angle of the weld joint which are input into the system in advance, an X-ray machine and an imager are started to work, and X-rays track from bottom to top and transilluminate the weld joint of the spiral welded pipe and the weld joint is imaged and detected by the imager;
sixth, detection ending stage: when the imager and the ray machine synchronously walk to the tail end of the steel pipe, the movement is automatically detected and stopped by observing the camera sensor, the steel pipe stops rotating, rays are closed, and the imaging detection process is completed;
seventh, detecting a ending stage: the system control console sends a driving command to control the multistage hydraulic push rod on the multistage hydraulic imager push rod device to move upwards to the center of the steel pipe, drives the hydraulic station to work and retract the multistage hydraulic push rod to the initial end, and the automatic winding device synchronously rotates positively and negatively to work and is matched with the retraction control cable. Driving a jacking hydraulic cylinder in a split lifting rotary roller way to synchronously drop, placing a spiral weld steel pipe on the split conveying roller way, and after a lead door is opened, controlling the split conveying roller way in a detection flaw detection chamber and a standard conveying roller way outside the detection flaw detection chamber to reversely rotate simultaneously, and conveying the detected spiral weld steel pipe to the outside of the detection chamber to finish the detection process;
the invention has the beneficial effects that: the invention overcomes a plurality of defects of the traditional spiral weld steel pipe detection method, greatly saves the length space of the detection chamber, and is only equivalent to about half of the length of the traditional method. The defect in the comparison document is overcome, the multistage hydraulic imager push rod device is adopted, and after the steel pipe to be detected is in place, the hydraulic pushing multistage hydraulic cylinder is used for uniformly extending into the steel pipe for detection, so that the detection precision, safety and stability are greatly improved, and the detection small pipe diameter range is increased. And the mechanical transmission structure is simple and reliable, and the protection cost and the equipment cost are greatly saved. And because the ray machine is installed on the ground, the high-voltage cable is short, and the device has the advantages of convenience and simplicity in equipment maintenance, high detection sensitivity, stability in detection, high efficiency and the like. The invention promotes the further development of the nondestructive testing technology of the spiral weld steel pipe. Can be widely applied to the field of X-ray nondestructive detection and has wide development space.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front view of the multi-stage hydraulic imager push rod device of FIG. 1;
FIG. 3 is a side view of the multi-stage hydraulic imager push rod device of FIG. 1;
FIG. 4 is a front view of the mobile lift ray machine apparatus of FIG. 1;
FIG. 5 is a side view of the mobile lift ray machine apparatus of FIG. 1;
FIG. 6 is a front view of the split rollgang of FIG. 1;
FIG. 7 is a front view of the lifting and lowering rotating lane of FIG. 1;
FIG. 8 is a side view of the lifting and rotating track of FIG. 1;
FIG. 9 is a flow chart diagram of a detection method;
in the figure: the device comprises a multistage hydraulic imager push rod device, a movable lifting ray machine device, a split conveying roller way, a lifting rotating way 4, a system control console 5, a push rod device frame 11, a lifting pulley block 12, a lifting price driving motor speed reducer 13, a system counterweight hydraulic station 14, a multistage hydraulic push rod 15, an automatic winding device 16, an imaging plate mounting fixing frame 17, a camera sensor 18, a high-pressure controller 21, a transverse moving bottom plate 22, a ray machine lifting device 23, a ray machine mounting fixture 24, a transverse driving device 25, a conical roller way 31, a driving motor speed reducer 32, a roller way side bracket 33, a rotary roller way 41, a rotary driving motor speed reducer 42 and a hydraulic cylinder device 43.
Detailed Description
The X-ray detection device for the hydraulic push rod linkage type spiral weld steel pipe as shown in fig. 1-8 comprises: the device comprises a multistage hydraulic imager push rod device 1, a movable lifting ray machine device 2, split type conveying roller tables 3, lifting rotary channels 4 and a system control console 5, wherein the multistage hydraulic imager push rod device 1 is arranged at one end of a detection chamber, the movable lifting ray machine device 2 is arranged on a ground track in the middle of the detection chamber and can be moved before, the split type conveying roller tables 3 are distributed at intervals and placed in the center of the detection chamber, the lifting rotary channels 4 are placed in the middle of the split type conveying roller tables 3, and the system control console 5 is arranged outside the detection chamber; after feedback and summary are carried out on each information, a system control console 5 sends a driving control command, a split type conveying roller way 3 and a lifting rotating way 4 are sequentially driven to convey the spiral weld steel pipe to be detected into a detection chamber, then jacking adjustment positioning is carried out, a multistage hydraulic imager push rod device 1 and a movable lifting ray machine device 2 are synchronously driven to move, and the rotary way 4 is matched to rotate according to a preset rotating speed, so that real-time synchronous synthesis detection of the spiral weld of the steel pipe by an X-ray machine and an imager is realized.
Wherein the multistage hydraulic imager pusher device comprises: the system comprises a push rod device frame 11, a lifting pulley block 12, a lifting drive motor speed reducer 13, a system counterweight hydraulic station 14, a multi-stage hydraulic push rod 15, an automatic winding device 16, an imaging plate mounting fixing frame 17 and a camera sensor 18, wherein the lifting pulley block 12 is fixed on the push rod device frame 11, a pulley block at the lower end is fixed on the multi-stage hydraulic push rod 15, a steel wire rope at the other end of the pulley block is connected with the lifting drive motor speed reducer 13, the multi-stage hydraulic push rod 15 is connected with a guide groove on the push rod device frame 11 through a guide wheel on the push rod frame, the automatic winding device 16 is mounted on the push rod frame of the multi-stage hydraulic push rod 15, the imaging plate mounting fixing frame 17 is mounted at the foremost end of the multi-stage hydraulic push rod 15, the camera sensor 18 is mounted at the front end of the imaging plate mounting fixing frame 17, and the system counterweight hydraulic station 14 is arranged at the rear end of the multi-stage hydraulic push rod 15;
the multi-stage hydraulic push rod 15 adopts a multi-stage hydraulic cylinder with the model of 1000-90 x 1000-FA by adopting a market general technology, a hydraulic control system adopts a hydraulic servo control system with the market mature technology, and the position, the pressure, the speed, the synchronization and the like of the hydraulic cylinder are controlled by a general WMCA type electrohydraulic servo digital closed-loop controller.
Wherein the mobile lifting ray machine device 2 comprises: the X-ray machine comprises a high-voltage controller 21, a transverse moving bottom plate 22, a ray machine lifting device 23, a ray machine installation fixture 24 and a transverse driving device 25, wherein the high-voltage controller 21 is fixedly arranged on the transverse moving bottom plate 22, the ray machine lifting device 23 is arranged on the transverse moving bottom plate 22, an X-ray machine installation fixture 24 is arranged on the ray machine lifting device 23 to fixedly install an X-ray machine, and the transverse driving device 25 is fixedly arranged on the transverse moving bottom plate 22.
The movable lifting ray machine device 2 is driven by adopting a gear-rack structure, a movable guide rail and a driving guide rack are arranged below the movable lifting ray machine device, a transverse driving motor and a gear are arranged above the movable lifting ray machine device, and the gear-rack is driven to drive through the rotation of the motor, so that the movable lifting ray machine device 2 is driven to transversely move along a fixed rail.
The split conveying roller way 3 includes: the tapered roller way 31, the driving motor speed reducer 32 and the roller way side support 33, wherein two sides of the tapered roller way 31 are fixed on the roller way side support 33 through bearing seats, and the tapered roller way is driven to work through the driving motor speed reducer 32 arranged on the roller way side support 33.
The installation mode of the two independent conical roller tables of the split type conveying roller table 3 is as follows: the steel pipeline inspection device is symmetrically distributed along the central line of the inspection steel pipeline, is installed on the ground of the inspection room in a mode of being opposite to each other and leaving a transillumination gap in the middle.
The number of the split type conveying roller tables 3 arranged in the detection flaw detection chamber according to the length of the standard detection steel pipe is as follows: the front and back groups are uniformly arranged with 3 groups or 4 groups or 5 groups.
As shown in fig. 5, the split type lifting/lowering/rotating path 4 includes: the device comprises a rotary roller table 41, a rotary driving motor speed reducer 42 and a hydraulic cylinder device 43, wherein the hydraulic cylinder device 43 is fixed on the ground in a detection flaw detection room, the rotary roller table 41 is fixed on a connecting plate above the hydraulic cylinder device 43 through a bearing seat, and the rotary driving motor speed reducer 42 is fixedly arranged on the connecting plate above the hydraulic cylinder device 43 and connected with the rotary roller table 41 to drive the roller table to rotate.
The installation mode of the two independent rotary roller tables of the split lifting rotary channel 4 is as follows: the steel pipeline inspection device is symmetrically distributed along the central line of the inspection steel pipeline, is installed on the ground of the inspection room in a mode of being opposite to each other and leaving a transillumination gap in the middle.
The number of split lifting rotary channels 4 arranged in the detection flaw detection chamber according to the length of the standard detection steel pipe is as follows: the front and back groups are uniformly arranged with 2 groups or 3 groups or 4 groups.
The hydraulic cylinder device 43 adopts the same diameter and standard hydraulic cylinders, and synchronously jacks up the lifting rotary roller table to perform rotary positioning welding seam work according to the standard existing molding hydraulic synchronization technology.
The system console 5 is a control center of the linkage detection system, is provided with a motion control card, an operation panel, an X-ray digital imaging system controller, a sensor receiving control element, a hydraulic station control unit and an alarm prompting element part, and is responsible for the information synthesis feedback, the information processing, the program operation and the driving control of the whole system.
The system control console 5 adopts an X-ray spiral weld steel pipe detection system control console with the model XYD-160 of the existing control system device, and sequentially controls the push rod device 1, the movable lifting ray machine device 2, the split conveying roller way 3 and the lifting rotating way 4 to act in sequence, so that stable detection of the spiral weld steel pipe is realized. The hydraulic control unit is composed of the existing molding WMCA type electrohydraulic servo digital closed-loop controller technology and the molding hydraulic synchronous control system, and is the prior art.
The detection method using the hydraulic push rod linkage type spiral weld steel pipe X-ray detection device is characterized by comprising the following steps of:
first, preparation: and according to the detected steel pipe model, the system control console 5 sends out a driving command, adjusts the push rod device 1 of the multi-stage hydraulic imager, contracts to an initial state, and moves the lifting ray machine device 2 to an initial section position. The system console 5 opens the inspection room protective lead door.
Secondly, a pipe feeding stage: the system control console 5 sends a driving command to control the split type conveying roller way 3 in the inspection room and the standard conveying roller way outside the inspection room to rotate simultaneously, and the spiral weld steel pipe to be inspected on the standard conveying roller way outside the inspection room is conveyed into the inspection room. The system control console 5 controls the indoor split type conveying roller way 3 to stop rotating according to the position signal sent by the photoelectric sensor so as to control the stop position of the steel pipe, and the front port of the steel pipe is aligned with the center position of the window of the ray machine. The system console 5 drives the protective lead door closed.
Thirdly, jacking the rotary positioning welding line: the system control console 5 sends a driving command to drive the jacking hydraulic cylinders in the split lifting rotary channel 4 to synchronously jack up a steel pipeline to be detected, meanwhile, the system control console 5 drives the rotary roller way 41 to rotate, so that the steel pipe is rotated, the multistage hydraulic push rod 15 is adjusted, an imaging plate at the front end stretches into the pipe end to correspond to a ray window, the position of a welding line is observed through an inner welding line observation camera 18 arranged at the front end of the imaging plate installation fixing frame 17, and the welding line at the end part of the steel pipe is rotated to the lowest end.
Fourth, X-ray focusing and positioning stage: the system console 5 sends a driving command, the ray imaging starts focusing, the multistage hydraulic imager push rod device 1 is controlled and adjusted to descend, the imaging plate fixed at the front end is close to the inner weld joint, the ray machine lifting device 23 of the movable ray machine device 3 is controlled and adjusted to work, the position is adjusted up and down, and the focal length position is adjusted to achieve the best effect.
Fifth step, linkage X-ray imaging stage: the system control console 5 controls the hydraulic station to work and synchronously drives the multi-stage hydraulic push rod 15 on the multi-stage hydraulic imager push rod device 1 to extend forwards at a constant speed, the automatic winding device 16 synchronously rotates forwards, the imaging plate with the fixed bearing front end moves forwards at a constant speed in cooperation with the conveying control cable, and the transverse driving device 25 of the movable lifting ray machine device 2 works and synchronously links the bearing X-ray machine with the imager. At this time, the system console 5 drives the rotary roller table 41 in the split lifting rotary channel 4 to rotate at a constant speed according to the calculated set speed according to the diameter and the angle of the weld of the spiral welded pipe which are input into the system in advance, and starts the X-ray machine and the imager to work, and X-rays track the weld of the spiral welded pipe from bottom to top and carry out imaging detection by the imager.
Sixth, detection ending stage: when the imager and the ray machine synchronously walk to the tail end of the steel pipe, the movement is automatically detected and stopped by observing the camera sensor, the steel pipe stops rotating, rays are closed, and the imaging detection process is completed.
Seventh, detecting a ending stage: the system control console 5 sends a driving command to control the multi-stage hydraulic push rod 15 on the multi-stage hydraulic imager push rod device 1 to move upwards to the center of the steel pipe, drives the hydraulic station to work and retract the multi-stage hydraulic push rod 15 to the initial end, and the automatic winding device 16 synchronously rotates positively and negatively to work and is matched with retracting the control cable. The jacking hydraulic cylinder in the split lifting rotary roller way 4 is driven to synchronously drop, the spiral weld steel pipe is placed on the split conveying roller way 3, after the lead door is opened, the split conveying roller way 3 in the detection flaw detection chamber and the standard conveying roller way outside the detection flaw detection chamber are controlled to reversely rotate at the same time, and the detected spiral weld steel pipe is conveyed to the outside of the detection chamber, so that the detection process is completed.
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 (7)

1. Hydraulic push rod linkage type spiral weld steel pipe X-ray detection device, its characterized in that: comprising the following steps: the system comprises a multi-stage hydraulic imager push rod device, a movable lifting ray machine device, a split type conveying roller way, a lifting rotating way and a system control console, wherein the multi-stage hydraulic imager push rod device is arranged at one end of a detection chamber, the movable lifting ray machine device is arranged on a ground track in the middle of the detection chamber and can be used for walking in front, the split type conveying roller way is arranged in the center of the detection chamber at intervals, the lifting rotating way is arranged in the middle of the split type conveying roller way, and the system control console is arranged outside the detection chamber; after feedback and summarization are carried out on each information, a system control console sends a driving control command, a split conveying roller way and a lifting rotary way are sequentially driven to convey a spiral weld steel pipe to be detected into a detection chamber, then jacking adjustment and positioning are carried out, a multistage hydraulic imager push rod device and a movable lifting ray machine device are synchronously driven to move, and the rotary way is matched to rotate according to a preset rotating speed, so that real-time synchronous synthesis detection of the spiral weld of the steel pipe by an X-ray machine and an imager is realized;
wherein the multistage hydraulic imager pusher device comprises: the system comprises a push rod device frame, a lifting pulley block, a lifting driving motor speed reducer, a system counterweight hydraulic station, a multi-stage hydraulic push rod, an automatic winding device, an imaging plate mounting fixing frame and a camera sensor, wherein the lifting pulley block is fixed on the push rod device frame, the pulley block at the lower end of the lifting pulley block is fixed on the multi-stage hydraulic push rod, a steel wire rope at the other end of the pulley block is connected with the lifting driving motor speed reducer, the multi-stage hydraulic push rod is connected with a guide groove on the push rod device frame through a guide wheel on the push rod frame, the automatic winding device is mounted on the push rod frame of the multi-stage hydraulic push rod, the imaging plate mounting fixing frame is mounted at the foremost end of the multi-stage hydraulic push rod, the camera sensor is mounted at the front end of the imaging plate mounting fixing frame, and the system counterweight hydraulic station is arranged at the rear end of the multi-stage hydraulic push rod;
wherein the mobile lift ray machine apparatus comprises: the X-ray machine comprises a high-voltage controller, a transverse moving bottom plate, a ray machine lifting device, a ray machine installation fixture and a transverse driving device, wherein the high-voltage controller is fixedly arranged on the transverse moving bottom plate, the ray machine lifting device is arranged on the transverse moving bottom plate, the X-ray machine installation fixture is arranged on the ray machine lifting device for installing and fixing an X-ray machine, and the transverse driving device is fixedly arranged on the transverse moving bottom plate;
the split type rollgang comprises: the two sides of the conical roller way are fixed on the roller way side bracket through bearing seats, and the conical roller way is driven to work through the reduction of the driving motor arranged on the roller way side bracket;
the split type lifting rotating channel comprises: the device comprises a rotary roller way, a rotary driving motor speed reducer and a hydraulic cylinder device, wherein the hydraulic cylinder device is fixed on the ground in a detection flaw detection room, the rotary roller way is fixed on a connecting plate above the hydraulic cylinder device through a bearing seat, and the rotary driving motor speed reducer is fixedly arranged on the connecting plate above the hydraulic cylinder device and connected with the rotary roller way to drive the roller way to rotate;
the system console is a control center of the linkage detection system and is provided with a motion control card, an operation panel, an X-ray digital imaging system controller, a sensor receiving control element, a hydraulic station control unit and an alarm prompting element part, and is responsible for the information synthesis feedback, the information processing, the program operation and the driving control of the whole system.
2. The hydraulic push rod linkage type spiral weld steel pipe X-ray detection device according to claim 1, wherein: the movable lifting ray machine device is driven by a gear-rack structure, a movable guide rail and a driving guide rack are arranged below the movable lifting ray machine device, a transverse driving motor and a gear are arranged above the movable lifting ray machine device, and the gear-rack is driven to drive through rotation of the motor, so that the movable lifting ray machine device is driven to transversely move along a fixed track.
3. The hydraulic push rod linkage type spiral weld steel pipe X-ray detection device according to claim 1, wherein: the installation mode of the two independent conical roller tables of the split type conveying roller table is as follows: the steel pipeline inspection device is symmetrically distributed along the central line of the inspection steel pipeline, is installed on the ground of the inspection room in a mode of being opposite to each other and leaving a transillumination gap in the middle.
4. The hydraulic push rod linkage type spiral weld steel pipe X-ray detection device according to claim 1, wherein: the number of the split conveying roller ways arranged in the detection flaw detection chamber according to the length of the standard detection steel pipe is as follows: the front and back groups are uniformly arranged with 3 groups or 4 groups or 5 groups.
5. The hydraulic push rod linkage type spiral weld steel pipe X-ray detection device according to claim 1, wherein: the installation mode of the two independent rotary roller tables of the split lifting rotary channel is as follows: the steel pipeline inspection device is symmetrically distributed along the central line of the inspection steel pipeline, is installed on the ground of the inspection room in a mode of being opposite to each other and leaving a transillumination gap in the middle.
6. The hydraulic push rod linkage type spiral weld steel pipe X-ray detection device according to claim 1, wherein: the number of split lifting rotary channels arranged in the detection flaw detection chamber according to the length of the standard detection steel pipe is as follows: the front and back groups are uniformly arranged with 2 groups or 3 groups or 4 groups.
7. The hydraulic push rod linkage type spiral weld steel pipe X-ray detection device according to claim 1, wherein: the detection method of the hydraulic push rod linkage type spiral weld steel pipe X-ray detection device comprises the following steps:
first, preparation: according to the detected steel pipe model, a system control console sends a driving command, a push rod device of the multi-stage hydraulic imager is adjusted, the push rod device is contracted to an initial state, the lifting ray machine device is moved to an initial section position, and the system control console opens a protective lead door of a detection flaw detection chamber;
secondly, a pipe feeding stage: the system control console sends a driving command to control the split type conveying roller way in the detection flaw detection chamber and the standard conveying roller way outside the detection flaw detection chamber to rotate simultaneously, the steel pipe to be detected on the standard conveying roller way outside the detection flaw detection chamber is conveyed into the detection chamber, and according to a position signal sent by the photoelectric sensor, the system control console controls the split type conveying roller way in the chamber to stop rotating to control the stop position of the steel pipe, so that the front port of the steel pipe is aligned with the center position of the window of the ray machine, and the system control console drives the protective lead door to be closed;
thirdly, jacking the rotary positioning welding line: the system control console sends a driving command to drive a jacking hydraulic cylinder in the split lifting rotary channel to synchronously jack up a steel pipeline to be detected, and simultaneously drives a rotary roller way to rotate so as to rotate a steel pipe, adjust a multi-stage hydraulic push rod, extend an imaging plate at the front end into the pipe end to correspond to a ray window, observe the position of a welding line through an inner welding line observation camera arranged at the front end of an imaging plate mounting fixing frame, and rotate an end welding line of the steel pipe to the lowest end;
fourth, X-ray focusing and positioning stage: the system console sends a driving command, the ray imaging starts focusing operation, the push rod device of the multistage hydraulic imager is controlled and adjusted to descend, the imaging plate fixed at the front end is close to the inner weld joint, the ray machine lifting device of the movable ray machine lifting device is controlled and adjusted to work, the position is adjusted up and down, and the focal length position is adjusted to achieve the best effect;
fifth step, linkage X-ray imaging stage: the system control console controls the hydraulic station to work, synchronously drives the multistage hydraulic push rod on the multistage hydraulic imager push rod device to extend forwards at a constant speed, synchronously rotates forward by the automatic winding device to work, cooperates with the conveying control cable, carries the imaging plate with the fixed front end to move forwards at a constant speed, simultaneously moves the transverse driving device of the lifting ray machine device to work, carries the X-ray machine to synchronously link with the imager, at the moment, drives the rotary roller table in the split lifting rotary channel to rotate at a constant speed according to the calculated set speed according to the diameter and the angle of the welding line of the spiral welding line steel pipe, and starts the X-ray machine and the imager to work, and X-rays track from bottom to top to permeate through the welding line of the spiral welding line steel pipe to be imaged and detected by the imager;
sixth, detection ending stage: when the imager and the ray machine synchronously walk to the tail end of the steel pipe, the movement is automatically detected and stopped by observing the camera sensor, the steel pipe stops rotating, rays are closed, and the imaging detection process is completed;
seventh, detecting a ending stage: the system control console sends a driving command, controls a multistage hydraulic push rod on a multistage hydraulic imager push rod device to move upwards to the center of the steel pipe, drives a hydraulic station to work and retract the multistage hydraulic push rod to an initial end, and an automatic winding device synchronously rotates positively and negatively to cooperate with retracting a control cable to drive a jacking hydraulic cylinder in a split lifting rotary roller way to synchronously drop, a spiral weld steel pipe is placed on the split conveying roller way, after a lead door is opened, the split conveying roller way in a detection flaw detection chamber and a standard conveying roller way outside the detection flaw detection chamber are controlled to reversely rotate at the same time, and the detected spiral weld steel pipe is conveyed to the outside of the detection chamber to finish the detection process.
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CN115266776B (en) * 2022-09-15 2023-05-09 深圳市伟铭光电有限公司 Nondestructive testing device for X-ray steel cylinder

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