CN114062400A - Container flaw detection device and container production process - Google Patents

Container flaw detection device and container production process Download PDF

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Publication number
CN114062400A
CN114062400A CN202111454760.6A CN202111454760A CN114062400A CN 114062400 A CN114062400 A CN 114062400A CN 202111454760 A CN202111454760 A CN 202111454760A CN 114062400 A CN114062400 A CN 114062400A
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China
Prior art keywords
container
flaw detection
detected
base frame
cavity
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CN202111454760.6A
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Chinese (zh)
Inventor
姚胜南
孙明慧
李中帅
温瀚桦
邱伊玲
苏铠欣
林伊晴
陈伟
余庆东
刘枝珠
姚晨曦
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Zhongshan Polytechnic
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Zhongshan Polytechnic
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Priority to CN202111454760.6A priority Critical patent/CN114062400A/en
Publication of CN114062400A publication Critical patent/CN114062400A/en
Pending legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
    • B23K31/125—Weld quality monitoring
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • G01N3/12—Pressure testing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles
    • B23K2101/12—Vessels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014—Type of force applied
    • G01N2203/0016—Tensile or compressive
    • G01N2203/0019—Compressive
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003—Generation of the force
    • G01N2203/0042—Pneumatic or hydraulic means
    • G01N2203/0048—Hydraulic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/03—Investigating materials by wave or particle radiation by transmission
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/30—Accessories, mechanical or electrical features
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/60—Specific applications or type of materials
    • G01N2223/629—Specific applications or type of materials welds, bonds, sealing compounds

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

The invention discloses a container flaw detection device and a container production process, the container flaw detection device comprises a base frame, a shielding shell, a flaw detection module, a transmission mechanism, a form positioning detection part, a deflection adjusting mechanism, a marking mechanism and a control module, wherein a flaw detection cavity is arranged in the shielding shell, the opening communicated with the flaw detection cavity is formed in the shielding shell, the flaw detection module is arranged on the base frame and is positioned in the flaw detection cavity, the flaw detection module can detect different containers to be detected, part of the transmission mechanism is arranged in the flaw detection cavity through the opening, the transmission mechanism can transmit the containers to be detected to enter and exit the flaw detection cavity, the form positioning detection part is used for acquiring the welding seam position information of the containers to be detected, the deflection adjusting mechanism can drive the containers to be detected to rotate, the control module is respectively connected with the form positioning detection part, the transmission mechanism and the deflection adjusting mechanism to control the transmission mechanism and the deflection adjusting mechanism to operate according to the welding seam position information of the containers to be detected, the design can improve the flaw detection efficiency and ensure the safety of users.

Description

Container flaw detection device and container production process
Technical Field
The invention relates to the technical field of flaw detection, in particular to a container flaw detection device and a container production process.
Background
In many sectors of industry, civil use, military industry and the like and in many fields of scientific research, pressure vessels are required to be used for storing and transporting gas or liquefied gas with pressure, the pressure vessels need to be welded for forming, and the typical production process is as follows:
after the longitudinal welding line and the circumferential welding line of the container are welded, the container is transported to a flaw detection area to be detected, then transported to a flaw detection station from the area to be detected for flaw detection, transported to the flaw detection area after flaw detection, and transported to a hydrostatic test area to be detected after accumulating a certain amount of flaw.
Because the ray has certain damage to human body, the existing container flaw detection device needs to be carried out in a flaw detection chamber with good shielding effect, a container to be detected is transferred from a welding station to a to-be-detected area of the flaw detection chamber before flaw detection, then the container is placed on the flaw detection station, a worker needs to carry out preparation work such as numbering, marking, film sticking and the like on the container, then the worker leaves the flaw detection chamber and starts a flaw detection module to work for detection, the detection principle of the flaw detection module is to emit rays, the rays pass through the container and then form an image in an imaging plate, so that the welding quality of a welding seam position is displayed, however, the flaw detection module can only irradiate partial areas of the container, the worker needs to take off the good flaw detection film after the flaw detection module stops, rotate a certain position of the container, and repeat the work content, so as to detect flaws of all parts on the container, after a certain amount of film is detected, the film needs to be developed, fixed, dried and the like to form a film which can be evaluated. The whole flaw detection process consumes a long time, workers need to frequently enter a shielding room, containers need to be carried for many times, and the method is very complicated, low in efficiency and high in labor intensity of operators.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the container flaw detection device and the container production process, which can improve the flaw detection efficiency, greatly improve the production efficiency of the container on the premise of ensuring the safety of operators and other surrounding workers, and reduce the labor intensity of the operators.
A container inspection apparatus according to an embodiment of a first aspect of the present invention includes: a base frame; the flaw detection device comprises a shielding shell, a flaw detection cavity and a base frame, wherein the shielding shell is arranged in the flaw detection cavity and is arranged on the base frame, and an opening communicated with the flaw detection cavity is formed in the shielding shell; the flaw detection module is arranged on the base frame and positioned in the flaw detection cavity, and can detect the container to be detected; the conveying mechanism is arranged on the base frame, part of the conveying mechanism is arranged in the flaw detection cavity through the opening, and the conveying mechanism can convey a container to be detected to enter and exit the flaw detection cavity; the form positioning detection component is arranged on the base frame or the shielding shell and is used for acquiring the welding seam position information and the container diameter information of the container to be detected; the deflection adjusting mechanism is arranged on the base frame and positioned in the flaw detection cavity, and can drive the container to be detected to rotate; the identification mechanism is arranged on the base frame and positioned in the flaw detection cavity, and can carry out position identification and numbering identification on the container to be detected at the detection part of the flaw detection module; and the control module is respectively connected with the form positioning detection part, the transmission mechanism and the deflection adjusting mechanism so as to control the transmission mechanism and the deflection adjusting mechanism to operate according to the welding seam position information of the container to be detected.
The container flaw detection device provided by the embodiment of the invention has at least the following beneficial effects:
the container flaw detection device of the invention has the advantages that a user can place a plurality of different containers to be detected on the transmission mechanism from a girth welding station, the transmission mechanism sequentially conveys the containers to be detected into the flaw detection cavity, the shape positioning detection part firstly detects the position and the diameter information of a welding line on the containers to be detected, the control module controls the transmission mechanism to accurately move the containers to be detected to the position of the welding line corresponding to the flaw detection module, the flaw detection module is started to detect the containers to be detected in the flaw detection cavity and detect the welding quality of the welding line position on the containers to be detected, the deflection adjusting mechanism can drive the containers to be detected to be lifted to a certain height to rotate, so that different positions of the containers to be detected can enter the detection range of the flaw detection module, the required positions on the containers to be detected can be detected, then the transmission mechanism can convey the containers to be detected out of the flaw detection cavity and directly reach the hydraulic test station, the system automatically operates, links needing manual participation are greatly reduced in the flaw detection process, the labor intensity of workers is greatly reduced, the flaw detection efficiency is improved, and the safety of operators and surrounding personnel is guaranteed.
According to some embodiments of the invention, the conveying mechanism comprises a plurality of rollers arranged on the base frame and a first driving part arranged on the base frame, the rollers are sequentially arranged along the conveying direction, and the first driving part is connected with the rollers to drive the rollers to rotate; the outer wall of roller is provided with the annular groove along circumference, wait to examine the container and can place in the annular groove.
According to some embodiments of the invention, a space is arranged between two adjacent rollers, and a part of the deflection adjusting mechanism is arranged in the space to lift the container to be detected and drive the container to be detected to rotate.
According to some embodiments of the invention, the rotation axis of the container to be inspected is in the same direction as the conveying direction of the conveying mechanism.
According to some embodiments of the invention, the deflection adjusting mechanism comprises a mounting seat and a plurality of driving wheels arranged on the mounting seat, the mounting seat is arranged on the base frame, and the driving wheels can be contacted with the container to be detected;
the deflection adjusting mechanism further comprises a lifting assembly, the lifting assembly is arranged on the base frame, and the lifting assembly is connected with the mounting seat to drive the mounting seat and drive the driving wheel to jack up or keep away from the container to be detected.
According to some embodiments of the invention, the flaw detection module comprises a ray emitting piece and a collecting piece, wherein the ray emitting piece and the collecting piece are respectively positioned on two sides of the conveying direction of the conveying mechanism and are arranged towards each other.
According to some embodiments of the invention, the device further comprises a collecting member displacement adjusting assembly, wherein the collecting member displacement adjusting assembly is arranged on the base frame and is connected with the collecting member to adjust the distance between the collecting member and the surface of the container to be detected.
According to a second aspect of the invention, the container production process is realized by applying a container inspection device, and the container inspection device comprises:
a base frame;
the flaw detection device comprises a shielding shell, a flaw detection cavity and a base frame, wherein the shielding shell is arranged in the flaw detection cavity and is arranged on the base frame, and an opening communicated with the flaw detection cavity is formed in the shielding shell;
the flaw detection module is arranged on the base frame and positioned in the flaw detection cavity, and can detect the container to be detected;
the conveying mechanism is arranged on the base frame, part of the conveying mechanism is arranged in the flaw detection cavity through the opening, and the conveying mechanism can convey a container to be detected to enter and exit the flaw detection cavity;
the form positioning detection component is arranged on the base frame or the shielding shell and is used for acquiring the welding seam position information and the container diameter information of the container to be detected;
the deflection adjusting mechanism is arranged on the base frame and positioned in the flaw detection cavity, and can drive the container to be detected to rotate;
the identification mechanism is arranged on the base frame and positioned in the flaw detection cavity, and can carry out position identification and numbering identification on the container to be detected at the detection part of the flaw detection module;
the control module is respectively connected with the form positioning detection part, the transmission mechanism and the deflection adjusting mechanism so as to control the transmission mechanism and the deflection adjusting mechanism to operate according to the welding seam position information of the container to be detected;
the deflection adjusting mechanism comprises a mounting seat and a plurality of driving wheels which are rotatably arranged on the mounting seat, the mounting seat is arranged on the base frame, and the driving wheels can be in contact with a container to be detected;
the deflection adjusting mechanism further comprises a lifting assembly, the lifting assembly is arranged on the base frame and connected with the mounting seat so as to drive the mounting seat and drive the driving wheel to jack up or be far away from the container to be detected;
the flaw detection module comprises a ray emitting piece and a collecting piece, wherein the ray emitting piece and the collecting piece are respectively positioned on two sides of the transmission direction of the transmission mechanism and are arranged in an orientation mode;
the device is characterized by further comprising a collecting piece displacement adjusting assembly, wherein the collecting piece displacement adjusting assembly is arranged on the base frame and connected with the collecting piece so as to adjust the distance between the collecting piece and the surface of the container to be detected;
the container flaw detection method comprises the following steps:
a. placing the container to be detected and detected after the circular seam welding is finished on a roller of a conveying mechanism;
b. the conveying mechanism conveys the container to be detected to the position of the form positioning detection part;
c. the shape positioning detection part acquires the welding line position information, the container diameter information and the distance information between two girth welding lines of the container to be detected;
d. the control module controls the transmission mechanism to operate according to welding seam position information, inputs the container to be detected into the flaw detection cavity and moves the container to be detected to a position, corresponding to the detection part of the flaw detection module, of a first girth welding seam on the container to be detected;
e. the control module processes and forms flaw detection parameters required by circumferential weld flaw detection of the container to be detected according to weld position information and container diameter information, and controls the deflection adjusting mechanism to drive the container to be detected to be lifted by a certain height according to the flaw detection parameters so that the central position of the container to be detected reaches the height to be detected;
f. the displacement adjusting assembly of the collecting piece of the flaw detection module drives the collecting piece to move, so that the distance between the surface of the collecting piece and the surface of a weld joint to be detected is proper, and the ray emitting piece is started to detect the first girth weld joint;
g. the control module processes and forms flaw detection parameters required by the circumferential weld flaw detection of the container to be detected according to weld position information and container diameter information, and controls the deflection adjusting mechanism to drive the container to be detected to rotate according to the flaw detection parameters, so that the flaw detection module can detect all positions of the first circumferential weld in the circumferential direction;
h. the control module respectively controls the deflection adjusting mechanism and the transmission mechanism to operate according to welding seam position information, so that a longitudinal welding seam on the container to be detected corresponds to the flaw detection module for detection, and after one section of longitudinal seam is detected, the deflection mechanism and the transmission mechanism perform corresponding movement to drive the container to be detected to move so that the flaw detection module detects the next section of the longitudinal welding seam;
i. after the flaw detection module detects each position of a longitudinal weld, a second girth weld on the container to be detected also enters a position corresponding to the detection part of the flaw detection module;
j. then, operating according to the steps of e-g, so that the flaw detection module can detect all the positions of the second girth weld in the axial direction;
k. the conveying mechanism operates to output the inspected container out of the inspection chamber while feeding the next container to be inspected into the inspection chamber.
The container production process provided by the embodiment of the invention has at least the following beneficial effects:
in the container production process, after the welding step of the welding seam of the container to be detected is completed by a user, different containers to be detected can be placed in a transmission mechanism, the container to be detected is conveyed into a flaw detection cavity by the transmission mechanism, the shape positioning detection part detects the welding seam position information on the container to be detected firstly, a control module controls the transmission mechanism to accurately move the container to be detected to the position of the welding seam corresponding to a flaw detection module and determine the number of times of flaw detection required by a circular seam, in the flaw detection cavity, the flaw detection module is started to detect the container to be detected, the welding quality of the welding seam position on the container to be detected is detected, the deflection adjusting mechanism can drive the container to be detected to rotate, so that different positions of the container to be detected can enter the detection range of the flaw detection module, then the transmission mechanism can convey the container to be detected out of the flaw detection cavity to perform subsequent water pressure test and other steps, and the system automatically operates, the links needing manual participation are greatly reduced in the flaw detection process, the labor intensity of workers is greatly reduced, the flaw detection efficiency is improved, and the safety of operators and peripheral personnel is guaranteed.
According to some embodiments of the invention, the front end of the transport mechanism is butted against a girth welding station, the rear end of the transport mechanism is butted against the hydrostatic test station, the container is placed on the transport mechanism from the girth welding station, and the transport mechanism is unloaded from the hydrostatic test station after passing through the container inspection device.
According to some embodiments of the invention, the flaw detection parameters comprise flaw detection tube voltage, tube current, flaw detection time, rotation angle and rotation times of the container to be detected driven by the deflection adjusting mechanism, and flaw detection length of the longitudinal weld joint.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic front view of a flaw detection apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view showing the internal structure of the inspection apparatus according to one embodiment of the present invention in a plan view;
FIG. 3 is a schematic side view of the internal structure of the flaw detection apparatus according to one embodiment of the present invention;
fig. 4 is a schematic structural view of the container.
Reference numerals:
the device comprises a base frame 100, a shielding shell 200, a flaw detection cavity 210, a flaw detection module 300, a ray emitting member 310, a collecting member 320, a coding machine 330, a conveying mechanism 400, a roller 410, an annular groove 420, a spacing part 430, a deflection adjusting mechanism 500, a mounting seat 510, a driving wheel 520, a lifting assembly 530, a door panel assembly 600, a container 700 to be detected, a first girth weld 710, a second girth weld 720, a longitudinal weld 730, a collecting member displacement adjusting assembly 800, a form positioning detection part 910 and a control module 920.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the positional or orientational descriptions referred to, for example, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the positional or orientational relationships shown in the drawings and are for convenience of description and simplicity of description only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, a container inspection apparatus according to an embodiment of the first aspect of the present invention includes a base frame 100, a shielding housing 200, an inspection module 300, a conveying mechanism 400, a deflection adjusting mechanism 500, a form positioning detecting component 910, a marking mechanism, and a control module 920, wherein an inspection cavity 210 is disposed in the shielding housing 200, the shielding housing 200 is disposed on the base frame 100, an opening communicated with the inspection cavity 210 is disposed on the shielding housing 200, the inspection module 300 is disposed on the base frame 100 and located in the inspection cavity 210, the inspection module 300 is capable of inspecting a container 700 to be inspected, the conveying mechanism 400 is disposed on the base frame 100, a part of the conveying mechanism 400 is disposed in the inspection cavity 210 through the opening, the conveying mechanism 400 is capable of conveying the container 700 to be inspected into and out of the inspection cavity 210, the form positioning detecting component 910 is disposed on the base frame 100 or the shielding housing 200, the form positioning detection part 910 is used for acquiring the welding seam position information and the container diameter information of the container 700 to be detected, the deflection adjusting mechanism 500 is arranged on the base frame 100 and is positioned in the flaw detection cavity 210, the deflection adjusting mechanism 500 can drive the container 700 to be detected to rotate, the marking mechanism is arranged on the base frame 100 and is positioned in the flaw detection cavity 210, the marking mechanism can carry out position marking and number marking on the container to be detected at the detection part of the flaw detection module, and the control module 920 is respectively connected with the form positioning detection part 910, the transmission mechanism 400 and the deflection adjusting mechanism 500 to control the transmission mechanism 400 and the deflection adjusting mechanism 500 to operate according to the welding seam position information of the container 700 to be detected.
It should be noted that the shielding shell 200 may be enclosed by a lead plate and placed on the base frame 100, the shielding shell 200 may also be a chamber built by cement or a lead plate, the base frame 100 is placed in the chamber, and the transmission mechanism 400 partially extends into the chamber.
In some embodiments of the present invention, as shown in fig. 1, the shielding housing 200 is movably provided with a door panel assembly 600, the door panel assembly 600 can open or close the opening, and during the operation of the flaw detection module 300, the flaw detection cavity 210 can be kept in a relatively sealed state, so as to prevent radiation leakage from causing harm to a human body, it should be noted that the door panel assembly 600 is also made of a shielding material, such as a lead plate.
It should be noted that the door panel assembly 600 generally includes a door body, and the door body is movably disposed on the shielding shell 200, specifically, the door body may be disposed on the shielding shell 200 through a sliding rail, and the door body may be moved in a horizontal direction to open or close the opening, and the door body may also be connected through a rotating shaft, and the door body may be rotated to open or close the opening.
In some embodiments of the present invention, the door panel assembly 600 may further include a second driving part, which may be a motor or a cylinder, and the second driving part is connected to the door body to drive the door body to automatically open or close the opening.
Specifically, there are two openings on shield shell 200, lie in the consecutive both ends of direction of transmission respectively, the opening of one end is as the entry in chamber 210 of detecting a flaw, and the opening of the other end is as the export in chamber 210 of detecting a flaw, and transport mechanism 400 passes the chamber 210 of detecting a flaw through the opening at both ends to can transmit and wait to examine that container 700 passes the chamber 210 of detecting a flaw in proper order after detecting a flaw one by one, improve detection efficiency, all set up door plant subassembly 600 at two openings parts simultaneously and carry out the switch shielding.
In some embodiments of the present invention, as shown in fig. 2 and 3, the inspection module 300 includes a ray emitting component 310 and a collecting component 320, and the ray emitting component 310 and the collecting component 320 are respectively located at two sides of the transmission direction of the transmission mechanism 400 and are arranged facing each other.
Specifically, the radiation emitting component 310 may be selected from a conventional X-ray source or a gamma-ray source, the radiation emitting component 310 may employ a cold cathode ray machine, the one-time transillumination time of the cold cathode ray machine is only 100-1000 ms, the radiation action time is greatly reduced, and the probability of radiation leakage is reduced, the collecting component 320 may be a DR (digital radio) board for receiving X-rays or gamma-rays, and the DR board may be connected to a computer so as to display the flaw detection image on a display screen of the computer.
As shown in FIG. 3, the center of the emission window of the radiation emitter 310 and the center of the collector 320 are at the same height, and the radiation will irradiate the DR panel and be collected by the collecting surface. Except for the emission window, the rest parts of the ray emission part 310 are wrapped by lead plate shells with enough thickness, the DR plate is wrapped by lead plates with enough thickness on the back side except the acquisition surface, so that rays are emitted only in the ray emission direction and are shielded by the lead plate layer on the back side of the DR plate, and scattered rays with extremely weak strength exist in the rest directions and are also shielded by lead plates or cement walls around a shielding room, so that the safety performance of the equipment in the use process is improved, and equipment operators and peripheral workers are protected from radiation hazards.
In some embodiments of the present invention, as shown in fig. 2, the marking mechanism is a coding machine 330 disposed on one side of the DR panel, and based on different containers 700 to be inspected and different positions on the same container 700 to be inspected, the coding machine 330 can set different marks, which are synchronously displayed on the flaw detection image of the position, so that when the different positions of the container to be inspected are subjected to flaw detection, different coded marks can be marked in the image to distinguish different welding seams and flaw detection positions.
In some embodiments of the present invention, as shown in fig. 3, the present invention further comprises a collecting member displacement adjusting assembly 800, the collecting member displacement adjusting assembly 800 is disposed on the base frame 100, and the collecting member displacement adjusting assembly 800 is connected with the collecting member 320 to adjust the distance between the collecting member 320 and the surface of different containers 700 to be inspected, and the distance is generally controlled below 10 mm.
Specifically, gather a displacement adjustment subassembly 800 and can include support frame and third driver part, and the third driver part can be motor or cylinder etc. and the third driver part sets up on bed frame 100, and the third driver part is connected in order to order about the support frame translation with the support frame to can adjust the distance of gathering 320 and the surface of examining the container 700 of examining, improve the definition of the formation of image that detects.
And control module 920 can be formed by the peripheral circuits corresponding to the cooperation of MCU, CPU, PLC, etc., and form positioning detection part 910 can be an industrial camera located at the entrance, and control module can also be electrically connected with flaw detection module 300, code printer 330, third drive part and the second drive part of door panel assembly 600 respectively, controls the orderly operation of each part, improves the degree of automation, and is safer and more reliable.
According to the container flaw detection device, a user can place a plurality of containers 700 to be detected with different diameters and lengths on the transmission mechanism 400, the transmission mechanism 400 sequentially conveys the containers 700 to be detected into the flaw detection cavity 210, the flaw detection module 300 is started to irradiate the containers 700 to be detected in the flaw detection cavity 210, the welding quality of the positions of welding seams on the containers 700 to be detected is detected, the deflection adjusting mechanism 500 can drive the containers 700 to be detected to rotate, different positions of the containers 700 to be detected can enter the detection range of the flaw detection module 300, the positions of the containers 700 to be detected which need flaw detection can be detected, the containers 700 to be detected can be conveyed out of the flaw detection cavity 210 by the transmission mechanism 400, links needing manual participation in the flaw detection process are greatly reduced, the automatic operation is realized, the flaw detection efficiency is improved, and the safety of the user is guaranteed.
The user can place a plurality of containers 700 to be inspected on the transmission mechanism 400, the transmission mechanism 400 sequentially conveys the containers 700 to be inspected into the inspection cavity 210, the shape positioning detection part 910 first detects the welding seam position information on the containers 700 to be inspected, the control module 920 controls the transmission mechanism 400 to accurately move the containers 700 to be inspected to the position where the welding seam corresponds to the inspection module 300, the door panel assembly 600 is closed, the inspection module 300 is started to detect the containers 700 to be inspected in the inspection cavity 210, the welding quality of the welding seam position on the containers 700 to be inspected is detected, the deflection adjusting mechanism 500 can drive the containers 700 to be inspected to rotate, so that different positions of the containers 700 to be inspected can enter the detection range of the inspection module 300, the positions of the containers 700 to be inspected can be detected, then the transmission mechanism 400 can convey the detected containers out of the inspection cavity 210 and convey the next container to be inspected into the inspection cavity 210, the links needing manual participation are greatly reduced in the flaw detection process, the automatic operation is realized, the flaw detection efficiency is improved, and the safety of a user is guaranteed.
In some embodiments of the present invention, the rotation axis of the container 700 to be inspected is the same as the transmission direction of the transmission mechanism 400, the transmission mechanism 400 drives the container 700 to be inspected to move step by step, and the deflection adjusting mechanism 500 drives the container 700 to be inspected to rotate along the rotation axis, so that the flaw detection module 300 can detect the weld at each position of the periphery of the container 700 to be inspected, thereby improving the detection accuracy.
In some embodiments of the present invention, as shown in fig. 1, 2 and 3, the conveying mechanism 400 includes a plurality of rollers 410 disposed on the base frame 100, and a first driving member (not shown) disposed on the base frame 100, wherein the plurality of rollers 410 are sequentially arranged along the conveying direction, and the first driving member is connected to the rollers 410 to drive the rollers 410 to rotate.
The first driving means may be a motor driving a belt transmission, and a belt connected to each roller 410 to rotate each roller 410, thereby transmitting the container 700 to be inspected placed on the roller 410.
In some embodiments of the invention, the transport mechanism 400 may also be a transport track, gripper, or the like.
In some embodiments of the present invention, as shown in fig. 3, the outer wall surface of the drum 410 is provided with an annular groove 420 along the circumferential direction, and the container 700 to be inspected can be placed in the annular groove 420, so that the position of the container 700 to be inspected is defined by the annular groove 420, and the container 700 to be inspected is prevented from being swung.
In some embodiments of the present invention, as shown in fig. 2, a space 430 is provided between two rollers 410 adjacent to each other in part, and a part of the deflection adjusting mechanism 500 is provided in the space 430 to contact the container 700 to be inspected and to rotate the container 700 to be inspected.
Specifically, a deflection adjusting mechanism 500 may be located below the transfer mechanism 400, and a driving portion for contacting the container to be inspected 700 to rotate the container to be inspected 700 may be located in the empty space 430 by the deflection adjusting mechanism 500.
Through the control of control module 920 to transmission mechanism 400 for when the welding seam position of waiting to examine container 700 corresponds with the module 300 of detecting a flaw, deflection adjustment mechanism 500 can with wait to examine container 700 contact in order to drive the rotation of waiting to examine container 700.
In some embodiments of the present invention, as shown in fig. 2 and 3, the yaw adjustment mechanism 500 includes a mounting base 510 and a plurality of driving wheels 520 rotatably disposed on the mounting base 510, the mounting base 510 is disposed on the base frame 100, and the driving wheels 520 can contact with the container 700 to be inspected.
Specifically, there may be two driving wheels 520, which may be received below the container 700 to be inspected, the driving wheels 520 may be driven by a motor, and the driving wheels 520 may contact and attach to the outer side wall of the container 700 to be inspected, so as to drive the container 700 to be inspected to rotate relatively stably.
In some embodiments of the present invention, the deflection adjusting mechanism 500 further includes a lifting component 530, the lifting component 530 is disposed on the base frame 100, the lifting component 530 is connected to the mounting base 510 to drive the mounting base 510 and drive the driving wheel 520 to jack up or to be away from the container 700 to be inspected, the driving wheel 520 can be close to or away from the container 700 to be inspected, when the conveying mechanism 400 is required to drive the container 700 to be inspected to be conveyed, the driving wheel 520 is away from the container 700 to be inspected, so that the conveying mechanism 400 drives the container 700 to be inspected to be conveyed without causing obstruction or deflection due to the contact between the container 700 to be inspected and the driving wheel 520, and similarly, when the driving wheel 520 is required to drive the container 700 to be inspected to rotate, the driving wheel 520 moves up to be close to the container 700 to be inspected and contacts with the surface of the container 700 to be inspected, the lifting component 530 further drives the mounting base 510 to move up, so that the container 700 to be inspected leaves the conveying mechanism 400, so that the driving wheel 520 drives the container 700 to be inspected to be conveyed without causing the container 700 to be inspected to rotate The contact may cause a blockage or even a deflection, and the lifting assembly 530 may be a cylinder or a linear motor.
A container production process according to an embodiment of the second aspect of the present invention, as shown in fig. 1 to 4, is implemented by using the container inspection apparatus disclosed in any one of the above embodiments, and the container inspection method includes the following steps:
a. placing the container to be detected and detected after the circular seam welding is finished on a roller of a conveying mechanism;
b. the conveying mechanism conveys the container to be detected to the position of the form positioning detection part;
c. the shape positioning detection part acquires the welding line position information, the container diameter information and the distance information between two girth welding lines of the container to be detected;
d. the control module controls the transmission mechanism to operate according to welding seam position information, inputs the container to be detected into the flaw detection cavity and moves the container to be detected to a position, corresponding to the detection part of the flaw detection module, of a first girth welding seam on the container to be detected;
e. the control module processes and forms flaw detection parameters required by circumferential weld flaw detection of the container to be detected according to weld position information and container diameter information, and controls the deflection adjusting mechanism to drive the container to be detected to be lifted by a certain height according to the flaw detection parameters so that the central position of the container to be detected reaches the height to be detected;
f. the displacement adjusting assembly of the collecting piece of the flaw detection module drives the collecting piece to move, so that the distance between the surface of the collecting piece and the surface of a weld joint to be detected is proper, and the ray emitting piece is started to detect the first girth weld joint;
g. the control module processes and forms flaw detection parameters required by the circumferential weld flaw detection of the container to be detected according to weld position information and container diameter information, and controls the deflection adjusting mechanism to drive the container to be detected to rotate according to the flaw detection parameters, so that the flaw detection module can detect all positions of the first circumferential weld in the circumferential direction;
h. the control module respectively controls the deflection adjusting mechanism and the transmission mechanism to operate according to welding seam position information, so that a longitudinal welding seam on the container to be detected corresponds to the flaw detection module for detection, and after one section of longitudinal seam is detected, the deflection mechanism and the transmission mechanism perform corresponding movement to drive the container to be detected to move so that the flaw detection module detects the next section of the longitudinal welding seam;
i. after the flaw detection module detects each position of a longitudinal weld, a second girth weld on the container to be detected also enters a position corresponding to the detection part of the flaw detection module;
specifically, the deflection adjusting mechanism can drive the container to be detected to fall to be completely supported by the transmission mechanism, the transmission mechanism is started to convey the container to be detected to a longitudinal seam flaw detection length, a detection interval on the longitudinal seam is changed, the deflection adjusting mechanism lifts the container to be detected to a certain height, the longitudinal seam of the container to be detected returns to the detection range of the flaw detection module, the flaw detection module operates to detect the longitudinal seam, and the operation is repeated until a second circumferential seam on the container to be detected appears at a position corresponding to the flaw detection module;
j. then, operating according to the steps of e-g, so that the flaw detection module can detect all the positions of the second girth weld in the axial direction;
k. and the conveying mechanism operates to output the inspected container out of the inspection cavity and simultaneously convey the next container to be inspected into the inspection cavity.
In the container production process, after a user finishes the step of welding the container to be detected, the container to be detected can be placed on a transmission mechanism, the transmission mechanism conveys the container to be detected into a flaw detection cavity, a form positioning detection part detects the position information of a welding seam on the container to be detected, a control module controls the transmission mechanism to accurately move the container to be detected to the position where the welding seam corresponds to a flaw detection module, the flaw detection module is started in the flaw detection cavity to detect the container to be detected, the welding quality of the position of the welding seam on the container to be detected is detected, a deflection adjusting mechanism can drive the container to be detected to rotate, so that different positions of the container to be detected can enter the detection range of the flaw detection module, then the transmission mechanism can convey the container to be detected out of the flaw detection cavity to perform the subsequent steps of hydraulic test and the like, the links needing manual participation are greatly reduced in the flaw detection process, the automatic operation is realized, and the flaw detection efficiency is improved, the safety of the user is guaranteed.
In some embodiments of the invention, the front end of the transport mechanism is butted against a girth welding station, the rear end of the transport mechanism is butted against a hydrostatic test station, and the container is placed on the transport mechanism from the girth welding station, and the transport mechanism is removed from the hydrostatic test station after passing through the container inspection device, along the transport direction of the transport mechanism.
The parameter of detecting a flaw includes the pipe voltage of detecting a flaw, the pipe current, the time of detecting a flaw, deflection adjustment mechanism orders about the turned angle and the number of times of rotation of waiting to examine the container and the length of detecting a flaw of longitudinal weld, because the scope of detecting a flaw of the module of detecting a flaw is invariable basically, to the diameter information of different containers, its length that gets into the scope of detecting a flaw of the module of detecting a flaw is invariable basically, utilize the girth of container and the relation of the length that gets into the scope of detecting a flaw of the module of detecting a flaw, can reach deflection adjustment mechanism and order about the turned angle and the number of times of rotation of waiting to examine the container, thereby guarantee that the module of detecting a flaw can all detect each position of girth weld circumference.
The container welding can be directly placed in the output of the transmission mechanism after being finished, and after flaw detection, the workpiece can be directly conveyed to the hydrostatic test device through the transmission mechanism to carry out hydrostatic test, so that all links are connected together, the transmission mechanism is only required to be moved onto the container once, the transmission mechanism is moved off the container once, manual transfer is not required, and manual carrying work is greatly reduced.
It should be noted that, as shown in fig. 4, in a general container, a first circumferential weld 710 and a second circumferential weld 720 which are circumferentially arranged are respectively formed at the head end and the tail end of the container, and a longitudinal weld 730 may be arranged between the first circumferential weld 710 and the second circumferential weld 720.
Through the process steps, the first girth weld 710 and the second girth weld 720 can be accurately detected, and part of containers do not have the longitudinal weld 730 and the second girth weld 720, so that the steps e to g can be omitted in the process steps.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A container inspection apparatus, comprising:
a base frame;
the flaw detection device comprises a shielding shell, a flaw detection cavity and a base frame, wherein the shielding shell is arranged in the flaw detection cavity and is arranged on the base frame, and an opening communicated with the flaw detection cavity is formed in the shielding shell;
the flaw detection module is arranged on the base frame and positioned in the flaw detection cavity, and can detect the container to be detected;
the conveying mechanism is arranged on the base frame, part of the conveying mechanism is arranged in the flaw detection cavity through the opening, and the conveying mechanism can convey a container to be detected to enter and exit the flaw detection cavity;
the form positioning detection component is arranged on the base frame or the shielding shell and is used for acquiring the welding seam position information and the container diameter information of the container to be detected;
the deflection adjusting mechanism is arranged on the base frame and positioned in the flaw detection cavity, and can drive the container to be detected to rotate;
the identification mechanism is arranged on the base frame and positioned in the flaw detection cavity, and can carry out position identification and numbering identification on the container to be detected at the detection part of the flaw detection module;
and the control module is respectively connected with the form positioning detection part, the transmission mechanism and the deflection adjusting mechanism so as to control the transmission mechanism and the deflection adjusting mechanism to operate according to the welding seam position information of the container to be detected.
2. The container inspection apparatus according to claim 1, wherein: the conveying mechanism comprises a plurality of rollers arranged on the base frame and a first driving part arranged on the base frame, the rollers are sequentially arranged along the conveying direction, and the first driving part is connected with the rollers to drive the rollers to rotate;
the outer wall of roller is provided with the annular groove along circumference, wait to examine the container and can place in the annular groove.
3. The container inspection apparatus according to claim 2, wherein: and a spacing part is arranged between two partially adjacent rollers, and a part of the deflection adjusting mechanism is arranged in the spacing part to lift and wait for the container and drive the container to be waited for autorotation.
4. The container inspection apparatus according to claim 1, wherein: the rotation axis of the container to be detected and the transmission direction of the transmission mechanism are in the same direction.
5. The container inspection apparatus according to claim 4, wherein: the deflection adjusting mechanism comprises a mounting seat and a plurality of driving wheels arranged on the mounting seat, the mounting seat is arranged on the base frame, and the driving wheels can be in contact with a container to be detected;
the deflection adjusting mechanism further comprises a lifting assembly, the lifting assembly is arranged on the base frame, and the lifting assembly is connected with the mounting seat to drive the mounting seat and drive the driving wheel to jack up or keep away from the container to be detected.
6. The container inspection apparatus according to claim 1, wherein: the flaw detection module comprises a ray emitting piece and a collecting piece, wherein the ray emitting piece and the collecting piece are respectively positioned on two sides of the transmission direction of the transmission mechanism and are arranged towards each other.
7. The container inspection apparatus according to claim 6, wherein: still including gathering a displacement adjusting part, it sets up to gather a displacement adjusting part on the bed frame, gather a displacement adjusting part with gather the piece and be connected in order to adjust gather the piece with wait to examine the distance on the surface of examining the container.
8. A container production process is realized by applying a container flaw detection device, and the container flaw detection device comprises:
a base frame;
the flaw detection device comprises a shielding shell, a flaw detection cavity and a base frame, wherein the shielding shell is arranged in the flaw detection cavity and is arranged on the base frame, and an opening communicated with the flaw detection cavity is formed in the shielding shell;
the flaw detection module is arranged on the base frame and positioned in the flaw detection cavity, and can detect the container to be detected;
the conveying mechanism is arranged on the base frame, part of the conveying mechanism is arranged in the flaw detection cavity through the opening, and the conveying mechanism can convey a container to be detected to enter and exit the flaw detection cavity;
the form positioning detection component is arranged on the base frame or the shielding shell and is used for acquiring the welding seam position information and the container diameter information of the container to be detected;
the deflection adjusting mechanism is arranged on the base frame and positioned in the flaw detection cavity, and can drive the container to be detected to rotate;
the identification mechanism is arranged on the base frame and positioned in the flaw detection cavity, and can carry out position identification and numbering identification on the container to be detected at the detection part of the flaw detection module;
the control module is respectively connected with the form positioning detection part, the transmission mechanism and the deflection adjusting mechanism so as to control the transmission mechanism and the deflection adjusting mechanism to operate according to the welding seam position information of the container to be detected;
the deflection adjusting mechanism comprises a mounting seat and a plurality of driving wheels which are rotatably arranged on the mounting seat, the mounting seat is arranged on the base frame, and the driving wheels can be in contact with a container to be detected;
the deflection adjusting mechanism further comprises a lifting assembly, the lifting assembly is arranged on the base frame and connected with the mounting seat so as to drive the mounting seat and drive the driving wheel to jack up or be far away from the container to be detected;
the flaw detection module comprises a ray emitting piece and a collecting piece, wherein the ray emitting piece and the collecting piece are respectively positioned on two sides of the transmission direction of the transmission mechanism and are arranged in an orientation mode;
the device is characterized by further comprising a collecting piece displacement adjusting assembly, wherein the collecting piece displacement adjusting assembly is arranged on the base frame and connected with the collecting piece so as to adjust the distance between the collecting piece and the surface of the container to be detected;
the container flaw detection method comprises the following steps:
a. placing the container to be detected and detected after the circular seam welding is finished on a roller of a conveying mechanism;
b. the conveying mechanism conveys the container to be detected to the position of the form positioning detection part;
c. the shape positioning detection part acquires the welding line position information, the container diameter information and the distance information between two girth welding lines of the container to be detected;
d. the control module controls the transmission mechanism to operate according to welding seam position information, inputs the container to be detected into the flaw detection cavity and moves the container to be detected to a position, corresponding to the detection part of the flaw detection module, of a first girth welding seam on the container to be detected;
e. the control module processes and forms flaw detection parameters required by circumferential weld flaw detection of the container to be detected according to weld position information and container diameter information, and controls the deflection adjusting mechanism to drive the container to be detected to be lifted by a certain height according to the flaw detection parameters so that the central position of the container to be detected reaches the height to be detected;
f. the displacement adjusting assembly of the collecting piece of the flaw detection module drives the collecting piece to move, so that the distance between the surface of the collecting piece and the surface of a weld joint to be detected is proper, and the ray emitting piece is started to detect the first girth weld joint;
g. the control module processes and forms flaw detection parameters required by the circumferential weld flaw detection of the container to be detected according to weld position information and container diameter information, and controls the deflection adjusting mechanism to drive the container to be detected to rotate according to the flaw detection parameters, so that the flaw detection module can detect all positions of the first circumferential weld in the circumferential direction;
h. the control module respectively controls the deflection adjusting mechanism and the transmission mechanism to operate according to welding seam position information, so that a longitudinal welding seam on the container to be detected corresponds to the flaw detection module for detection, and after one section of longitudinal seam is detected, the deflection mechanism and the transmission mechanism perform corresponding movement to drive the container to be detected to move so that the flaw detection module detects the next section of the longitudinal welding seam;
i. after the flaw detection module detects each position of a longitudinal weld, a second girth weld on the container to be detected also enters a position corresponding to the detection part of the flaw detection module;
j. then, operating according to the steps of e-g, so that the flaw detection module can detect all the positions of the second girth weld in the axial direction;
k. the conveying mechanism operates to output the inspected container out of the inspection chamber while feeding the next container to be inspected into the inspection chamber.
9. A process for the production of a container according to claim 8, wherein: the edge conveying direction of the conveying mechanism, the front end of the conveying mechanism is in butt joint with the girth welding station, the rear end of the conveying mechanism is in butt joint with the hydraulic test station, the container is placed on the conveying mechanism from the girth welding station, and after the container flaw detection device, the conveying mechanism is detached from the container at the hydraulic test station.
10. A process for the production of a container according to claim 8, wherein: the flaw detection parameters comprise flaw detection tube voltage, tube current and flaw detection time, and the deflection adjusting mechanism drives the rotation angle and the rotation times of the container to be detected and the flaw detection length of the longitudinal welding line.
CN202111454760.6A 2021-11-30 2021-11-30 Container flaw detection device and container production process Pending CN114062400A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111454760.6A CN114062400A (en) 2021-11-30 2021-11-30 Container flaw detection device and container production process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111454760.6A CN114062400A (en) 2021-11-30 2021-11-30 Container flaw detection device and container production process

Publications (1)

Publication Number Publication Date
CN114062400A true CN114062400A (en) 2022-02-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111454760.6A Pending CN114062400A (en) 2021-11-30 2021-11-30 Container flaw detection device and container production process

Country Status (1)

Country Link
CN (1) CN114062400A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116237683A (en) * 2023-05-11 2023-06-09 陕西中科非开挖技术股份有限公司 Be used for multitube footpath pipeline welded platform
CN116500209A (en) * 2023-06-28 2023-07-28 安徽国麒科技有限公司 Retired battery detection device and method based on edge calculation
CN116812439A (en) * 2022-07-04 2023-09-29 同方威视技术股份有限公司 Conveying system and detection device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116812439A (en) * 2022-07-04 2023-09-29 同方威视技术股份有限公司 Conveying system and detection device
CN116812439B (en) * 2022-07-04 2024-05-31 同方威视技术股份有限公司 Conveying system and detection device
CN116237683A (en) * 2023-05-11 2023-06-09 陕西中科非开挖技术股份有限公司 Be used for multitube footpath pipeline welded platform
CN116237683B (en) * 2023-05-11 2023-08-04 陕西中科非开挖技术股份有限公司 Be used for multitube footpath pipeline welded platform
CN116500209A (en) * 2023-06-28 2023-07-28 安徽国麒科技有限公司 Retired battery detection device and method based on edge calculation
CN116500209B (en) * 2023-06-28 2023-09-08 安徽国麒科技有限公司 Retired battery detection device and method based on edge calculation

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