CN115649820A - Conveying device for steel pipe flaw detection and steel pipe flaw detection method - Google Patents
Conveying device for steel pipe flaw detection and steel pipe flaw detection method Download PDFInfo
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- CN115649820A CN115649820A CN202211679171.2A CN202211679171A CN115649820A CN 115649820 A CN115649820 A CN 115649820A CN 202211679171 A CN202211679171 A CN 202211679171A CN 115649820 A CN115649820 A CN 115649820A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention provides a conveying device for steel pipe flaw detection and a steel pipe flaw detection method, belonging to the technical field of workshop conveyor systems and comprising a conveyor, two groups of fixed components, two groups of rotating mechanisms, a flaw detector and a monitoring component; the two groups of fixing assemblies are arranged on the conveyor; the two groups of rotating mechanisms are arranged on one side of the conveyor; the rotating mechanism comprises a rotating component and a supporting component, the supporting component is provided with a first end, and the first end is provided with an extending state and a yielding state; the rotating assembly is connected to the first end and used for clamping the steel pipe and driving the steel pipe to rotate; the flaw detector is arranged on the other side of the conveyor, and the flaw detection end of the flaw detector faces the steel pipe; the monitoring assembly is provided with a plurality of monitoring ends distributed in the radiographic inspection chamber; the steel pipe flaw detection method adopts the conveying device for steel pipe flaw detection, and the conveying device and the steel pipe flaw detection method for steel pipe flaw detection provided by the invention enable flaw detection operation to be simpler and have better flaw detection effect.
Description
Technical Field
The invention belongs to the technical field of workshop conveyor systems, and particularly relates to a conveying device for steel pipe flaw detection and a steel pipe flaw detection method.
Background
Radiographic inspection is a method of inspecting internal defects of a weld using certain rays. When the ray passes through the weld seam to be inspected, the shape, position and size of the defect can be accurately, reliably and nondestructively displayed due to the different absorption capacity of the defect on the ray. When flaw detection is performed on the steel pipe, the steel pipe needs to be conveyed to a flaw detector by adopting a workshop conveying device for flaw detection.
In the prior art, the position of a steel pipe conveyed in a workshop conveyor system is fixed, the steel pipe can only be positioned at a certain position generally, and flaw detection is carried out by adjusting the number or the position of flaw detectors, namely the conventional workshop conveyor system cannot convey the steel pipe in place, sometimes the specific part to be detected of the steel pipe cannot be enabled to face the flaw detection end of the flaw detector, so that comprehensive flaw detection operation on the steel pipe is inconvenient, and the operation is complex.
Disclosure of Invention
The invention aims to provide a conveying device for steel pipe flaw detection and a steel pipe flaw detection method, and aims to solve the technical problems that the existing workshop conveyor system for flaw detection cannot convey steel pipes in place and is inconvenient to realize comprehensive flaw detection.
In order to achieve the purpose, the invention adopts the technical scheme that:
in a first aspect, an embodiment of the present invention provides a conveying apparatus for steel pipe flaw detection, including:
the conveyor is used for conveying the steel pipe into the radiographic inspection chamber;
the at least two groups of fixing assemblies are arranged on the conveyor at intervals along the axial direction of the steel pipe; the fixing assembly is used for clamping or loosening the steel pipe;
the two groups of rotating mechanisms are arranged on one side of the conveyor; the rotating mechanism comprises a rotating assembly and a supporting assembly, the supporting assembly is provided with a first end, the first end is in an extending state of rotating to be close to the end part of the steel pipe, and the first end is also in an abdicating state of rotating to one side of the conveyor; the rotating assembly is connected to the first end, and when the supporting assembly is in the extending state, the rotating assembly is used for clamping the steel pipe and driving the steel pipe to rotate;
the flaw detector is arranged on the other side of the conveyor and is opposite to the rotating mechanism; the flaw detection end of the flaw detector faces the steel pipe; the flaw detector has a first degree of freedom sliding along the axial direction of the steel pipe; and
the monitoring assembly is provided with a plurality of monitoring ends distributed in the radiographic inspection chamber, and the monitoring ends are used for monitoring the working condition in the radiographic inspection chamber.
With reference to the first aspect, in a possible implementation manner, the fixing component includes:
the fixing piece is fixed on the conveyor;
the moving piece and the fixed piece are symmetrically arranged along the axis of the steel pipe, the moving piece is connected to the conveyor in a sliding mode along the direction close to or far away from the fixed piece, and the moving piece and the fixed piece are matched to clamp or loosen the steel pipe;
the telescopic driving part is arranged on one side, opposite to the moving part and the fixing part, of the moving part, and the output end of the telescopic driving part is connected with the moving part.
In some embodiments, the fixed member is provided with a first mounting part arranged in an arc shape, and the moving member is provided with a second mounting part arranged in an arc shape; the second installation department with first installation department is used for the cooperation to hold tightly the steel pipe.
For example, a horizontal extension plate is arranged below the fixing piece close to the first mounting part, and a slot matched with the extension plate is arranged on the second mounting part; when the moving part is close to the fixed part, the extension plate is inserted into the slot; when the moving piece is far away from the fixed piece, the extending plate slides out of the slot and is supported at the bottom of the steel pipe.
With reference to the first aspect, in a possible implementation manner, the support assembly includes:
the supporting column is arranged on one side of the conveyor;
the first rotating disc is rotatably connected to the top of the supporting column; the first turntable has a second degree of freedom that rotates about the axis of the support post;
the connecting beam is fixed on the first rotary table, one end of the connecting beam extends out of the first rotary table along the radial direction of the first rotary table and forms the first end; and
one end of the diagonal bracing piece is connected with the connecting beam, and the other end of the diagonal bracing piece is connected with the supporting column in a sliding manner along the circumferential direction of the supporting column;
wherein, first carousel is used for passing through the tie-beam drives the runner assembly rotates, so that first end is followed the state of stretching out rotates extremely the state of stepping down, just the diagonal brace piece is followed the tie-beam is followed the circumference of support column slides.
In some embodiments, the diagonal stay comprises:
the inclined supporting beam is arranged obliquely to the supporting column; the upper end of the inclined supporting beam is fixed with the connecting beam;
the connecting block rotates to be connected the lower extreme of bracing roof beam, and with the support column is followed the circumference sliding connection of support column.
Exemplarily, a first sliding groove is formed in the supporting column along the circumferential direction of the supporting column, and the connecting block is connected in the first sliding groove in a sliding manner; when the first end is in the abdicating state or the extending state, the connecting block is clamped with the groove wall of the first chute.
With reference to the first aspect, in one possible implementation manner, the rotating assembly includes:
the second turntable is rotationally connected to the first end and has a third degree of freedom rotating around the axial direction of the steel pipe;
the clamping seat is arranged on the second turntable; the clamping seat is provided with a plurality of clamping blocks which are arranged around the steel pipe at intervals, and the plurality of clamping blocks are connected to the clamping seat in a sliding manner along the radial direction of the steel pipe;
the clamping blocks are used for clamping or loosening the steel pipe in a matched mode, and the second rotary disc is used for driving the steel pipe to rotate through the clamping seat.
In some embodiments, a clamping driving piece and a transmission assembly are arranged in the clamping seat; the driving end of the transmission assembly is rotatably connected with the power output end of the clamping driving piece, and the driven end of the transmission assembly is connected with the clamping block and used for driving the clamping block to slide along the radial direction of the steel pipe.
Compared with the prior art, the steel pipe flaw detection device comprises a conveyor and a rotating mechanism, wherein after the conveyor conveys the steel pipe to a position close to a flaw detector, the rotating mechanism rotates the steel pipe to enable a part to be detected of the steel pipe to face a flaw detection end of the flaw detector, and the position of the steel pipe can be continuously adjusted to enable the steel pipe to be conveyed in place, so that comprehensive flaw detection of the steel pipe to be detected is realized; specifically, the first end can drive the rotating assembly to rotate to an abdicating state, and the fixing assembly can clamp the steel pipe, so that the steel pipe can be conveniently conveyed to the radiographic inspection chamber by the conveyor; after the conveyor is conveyed in place, the first end drives the rotating assembly to rotate to an extended state, the rotating assembly clamps the steel pipe, and then the fixing assembly releases the steel pipe so that the rotating assembly drives the steel pipe to rotate; therefore, when the flaw detector slides along the axial direction of the steel pipe, the steel pipe can be subjected to comprehensive flaw detection conveniently.
In a second aspect, an embodiment of the present invention further provides a steel pipe flaw detection method, where the above-mentioned transmission device for steel pipe flaw detection is adopted, and the method includes the following steps:
s1, enabling the fixing assembly to clamp the steel pipe, and conveying the steel pipe to a radiographic inspection chamber by using a conveyor;
s2, enabling the first end to drive the rotating assembly to rotate to the extending state, and enabling the rotating assembly to clamp the steel pipe; releasing the steel tube from the fixing assembly;
s3, adjusting a monitoring end of the monitoring assembly, and aligning the monitoring end to the steel pipe;
s4, enabling the flaw detection end of the flaw detector to face the steel pipe; opening the flaw detector, and enabling the flaw detector to slide along the axial direction of the steel pipe;
s5, driving the steel pipe to rotate by the rotating assembly while the step S4 is carried out;
s6, closing the flaw detector after flaw detection is finished;
s7, the fixing assembly clamps the steel pipe; the rotating assembly loosens the steel pipe, and the first end drives the rotating assembly to rotate to the abdicating state; and the conveyor conveys the steel pipe out of the radiographic inspection chamber.
The steel pipe flaw detection method provided by the embodiment of the application has all the beneficial effects of the conveying device for steel pipe flaw detection due to the adoption of the conveying device for steel pipe flaw detection, so that the flaw detector is convenient to set and the flaw detection operation is simpler and more convenient, the steel pipe can be conveniently subjected to comprehensive flaw detection, and a better flaw detection effect is achieved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a conveying device for steel pipe flaw detection provided by an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a fixing assembly of a conveying device for steel pipe flaw detection according to an embodiment of the present invention;
FIG. 3 is a schematic view of a portion A of the structure of FIG. 1;
FIG. 4 is a first schematic view of a connection structure of a connection block and a support column of the transmission device for steel pipe flaw detection according to the embodiment of the present invention;
FIG. 5 is a second schematic view of a connection structure between a connection block and a support column of the transmission device for steel pipe flaw detection according to the embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a transmission assembly of the conveying device for steel pipe flaw detection provided by the embodiment of the invention;
fig. 7 is a schematic structural diagram of a rack of a transmission assembly of a conveying device for steel pipe flaw detection according to an embodiment of the present invention.
In the figure: 1. a conveyor; 2. a fixing component; 21. a fixing member; 211. a first mounting portion; 212. an extension plate; 22. a moving member; 221. a second mounting portion; 222. a slot; 23. a telescopic driving member; 3. a rotating mechanism; 31. a support assembly; 311. a support column; 3111. a first chute; 3112. an extension groove; 312. a first turntable; 313. a connecting beam; 314. a diagonal stay member; 3141. a raking beam; 3142. connecting blocks; 31421. extending the block; 31422. an electric telescopic rod; 31423. a clamping part; 32. a rotating assembly; 321. a second turntable; 322. a clamping seat; 323. a clamping block; 324. clamping the driving member; 325. a transmission assembly; 3251. a first gear; 3252. a drive shaft; 3253. a second gear; 3254. a third gear; 3255. a rack; 4. a flaw detector; 5. a monitoring end; 6. and (5) steel pipes.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings and are used merely for convenience in describing and simplifying the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus are not to be considered limiting of the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a number" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 7 together, a conveying apparatus for steel pipe flaw detection and a steel pipe flaw detection method according to the present invention will now be described. The conveying device for steel pipe flaw detection comprises a conveyor 1, at least two groups of fixed assemblies 2, two groups of rotating mechanisms 3, a flaw detector 4 and a monitoring assembly; the conveyor 1 is used for conveying the steel pipe 6 into the radiographic inspection chamber; the at least two groups of fixing assemblies 2 are arranged on the conveyor 1 at intervals along the axial direction of the steel pipe 6; the fixing component 2 is used for clamping or loosening the steel pipe 6; the two groups of rotating mechanisms 3 are arranged on one side of the conveyor 1; the rotating mechanism 3 comprises a rotating assembly 32 and a supporting assembly 31, the supporting assembly 31 is provided with a first end, the first end is in an extending state of rotating to be close to the end part of the steel pipe 6, and the first end is also in an abdicating state of rotating to one side of the conveyor 1; the rotating assembly 32 is connected to the first end, and when the supporting assembly 31 is in the extending state, the rotating assembly 32 is used for clamping the steel pipe 6 and driving the steel pipe 6 to rotate; the flaw detector 4 is arranged on the other side of the conveyor 1 and is opposite to the rotating mechanism 3; the flaw detection end of the flaw detector 4 faces the steel pipe 6; the flaw detector 4 has a first degree of freedom that slides in the axial direction of the steel pipe 6; the monitoring assembly is provided with a plurality of monitoring ends 5 distributed in the radiographic inspection chamber, and the monitoring ends 5 are used for monitoring the working condition in the radiographic inspection chamber.
It should be noted that, the conveyor 1 adopted in this application can convey the steel pipe 6 to the radiographic inspection room, and the flaw detector 4 can carry out radiographic inspection on the steel pipe 6, and the concrete structure and the operating principle of the conveyor 1 and the flaw detector 4 all belong to the prior art, and are not described again here.
It should be noted that, for avoiding the ray to produce the injury effect to the human body, be provided with the monitoring subassembly in this application, this monitoring subassembly is including locating the monitoring display module in the observation room and locating ray inspection indoor monitoring end 5, can observe the indoor behavior of ray inspection and the transportation condition of work piece through this monitoring end 5, need not set up a plurality of monitor windows in ray inspection indoor and observe, can conveniently master the indoor condition of ray inspection through the monitoring subassembly. Optionally, the monitoring end 5 adopts a monitor with a camera shooting function, and the monitoring ends 5 are arranged along the axial direction of the steel pipe 6 at intervals.
It will be appreciated that before the rotating assembly 32 rotates the steel duct 6, it is necessary to let the fixed assembly 2 loosen the steel duct 6 and let the rotating assembly 32 grip the steel duct 6 to avoid interference of the fixed assembly 2 with the rotation of the steel duct 6.
Compared with the prior art, the conveying device for steel pipe flaw detection and the steel pipe flaw detection method provided by the invention comprise the conveyor 1 and the rotating mechanism 3, after the conveyor 1 is conveyed to a position close to the flaw detector 4, the rotating mechanism 3 rotates the steel pipe 6 to enable the part to be subjected to flaw detection of the steel pipe 6 to face the flaw detection end of the flaw detector 4, and the position of the steel pipe 6 can be continuously adjusted to enable the steel pipe 6 to be conveyed in place, so that the comprehensive flaw detection of the steel pipe 6 is realized; specifically, the first end can drive the rotating assembly 32 to rotate to the abdicating state, and the fixing assembly 2 can clamp the steel pipe 6, so that the conveyor 1 can conveniently convey the steel pipe 6 to the radiographic inspection chamber; after the conveyor 1 is conveyed in place, the first end drives the rotating assembly 32 to rotate to an extended state, the rotating assembly 32 clamps the steel pipe 6, and then the fixing assembly 2 releases the steel pipe 6, so that the rotating assembly 32 drives the steel pipe 6 to rotate; therefore, when the flaw detector 4 slides in the axial direction of the steel pipe 6, the steel pipe 6 can be easily inspected in its entirety. The conveying device provided by the embodiment of the application can carry out comprehensive flaw detection on the steel pipe 6 only by rotating the steel pipe 6, and the flaw detection effect is better; and only one flaw detector 4 slides along the axial direction of the steel pipe 6 to finish the flaw detection operation of the steel pipe 6, so that the flaw detection operation is simpler and more convenient.
Referring to fig. 2, in some possible embodiments, the fixing assembly 2 includes a fixing member 21, a moving member 22 and a telescopic driving member 23; the fixing piece 21 is fixed on the conveyor 1; the moving part 22 and the fixed part 21 are symmetrically arranged along the axis of the steel pipe 6, the moving part 22 is connected to the conveyor 1 in a sliding manner along the direction close to or far away from the fixed part 21, and the moving part 22 and the fixed part 21 are matched to clamp or loosen the steel pipe 6; the telescopic driving member 23 is disposed on a side of the moving member 22 opposite to the fixed member 21, and an output end of the telescopic driving member 23 is connected to the moving member 22.
The telescopic driving member 23 is used for driving the moving member 22 to slide in a direction approaching or separating from the fixed member 21, so that the moving member 22 clamps or loosens the steel pipe 6 when approaching or separating from the fixed member 21.
Alternatively, the telescopic driving member 23 may be one of a hydraulic driving cylinder and a telescopic cylinder, and the output end of the telescopic driving member 23 can drive the moving member 22 to slide on the conveyor 1 to clamp or loosen the steel pipe 6.
Referring to fig. 2, in some embodiments, the fixed member 21 is provided with a first mounting portion 211 having an arc shape, and the movable member 22 is provided with a second mounting portion 221 having an arc shape; the second mounting portion 221 and the first mounting portion 211 are used to engage the steel pipe 6.
Through set up first installation department 211 and second installation department 221 respectively on mounting 21 and moving member 22, it is fixed firm conveniently with steel pipe 6, avoids among the transportation process steel pipe 6 to rock, damages outer pipe wall.
Referring to fig. 2, for example, a horizontal extending plate 212 is disposed below the fixing member 21 near the first mounting portion 211, and a slot 222 adapted to the extending plate 212 is disposed on the second mounting portion 221; when the moving part 22 approaches the fixed part 21, the extension plate 212 is inserted into the slot 222; when the moving member 22 moves away from the fixed member 21, the extension plate 212 slides out of the slot 222 and is supported on the bottom of the steel pipe 6.
It should be understood that, in order to avoid the interference of the fixed assembly 2 on the rotation of the steel pipe 6, before the rotating assembly 32 rotates the steel pipe 6, the fixed assembly 2 needs to loosen the steel pipe 6, at this time, the lower end of the steel pipe 6 still has the extending plate 212 to support the steel pipe 6, so as to avoid the steel pipe 6 from sliding down between the fixed member 21 and the moving member 22 when the rotating assembly 32 accidentally loosens the steel pipe 6, and improve the safety of the steel pipe.
Referring to fig. 1, in some possible embodiments, the supporting assembly 31 includes a supporting column 311, a first rotating plate 312, a connecting beam 313 and a diagonal brace 314; the supporting column 311 is arranged at one side of the conveyor 1; the first rotating disk 312 is rotatably connected to the top of the supporting column 311; the first turntable 312 has a second degree of freedom of rotation about the axis of the support column 311; the connecting beam 313 is fixed on the first rotating disc 312, and one end of the connecting beam 313 extends out of the first rotating disc 312 along the radial direction of the first rotating disc 312 and forms a first end; one end of the diagonal brace 314 is connected with the connecting beam 313, and the other end is connected with the supporting column 311 in a sliding manner along the circumferential direction of the supporting column 311; the first rotating disc 312 is used for driving the rotating assembly 32 to rotate through the connecting beam 313, so that the first end rotates from the extending state to the abdicating state, and the diagonal support 314 slides along the circumferential direction of the supporting column 311 along with the connecting beam 313.
The supporting column 311 is used for stably supporting the first rotating disc 312, the connecting beam 313 and the diagonal bracing piece 314; the first rotating disc 312 is used to drive the connecting beam 313 and the diagonal support 314 to rotate, so that the first end of the connecting beam 313 achieves the above-mentioned extending state and abdicating state, and the rotating assembly 32 mounted at the first end is driven to approach or depart from the end of the steel pipe 6.
Referring to fig. 3, in some embodiments, diagonal brace member 314 includes a diagonal brace beam and a connecting block 3142; the raker beam is arranged obliquely to the support column 311; the upper end of the diagonal bracing beam is fixed with the connecting beam 313; the connecting block 3142 is rotatably connected to the lower end of the raker beam and is slidably connected with the supporting column 311 along the circumferential direction of the supporting column 311.
When the first rotating disc 312 drives the connecting beam 313 and the diagonal bracing member 314 to rotate, the lower end of the diagonal bracing beam slides along the circumferential direction of the supporting column 311, so that the diagonal bracing member 314 and the connecting beam 313 stably support the rotating assembly 32 in the extending state and the yielding state.
Referring to fig. 3 to fig. 5, for example, a first sliding groove 3111 is disposed on the supporting column 311 along a circumferential direction of the supporting column 311; a connecting block 3142 is slidably connected in the first sliding groove 3111; when the first end is in the abdicating state or the extending state, the connecting block 3142 is clamped with the groove wall of the first sliding groove 3111.
Referring to fig. 4, optionally, as a connection structure of the connection block 3142 and the supporting column 311, two ends of the first sliding groove 3111 are respectively provided with a clamping groove, an extending block 31421 and an electric telescopic rod 31422 are arranged in the connection block 3142, and one end of the extending block 31421 is used for extending in a direction perpendicular to the sliding direction of the first sliding groove 3111 and is clamped in the clamping groove at the end of the first sliding groove 3111; the other end of the extension block 31421 is fixedly connected with the output end of the electric telescopic rod 31422. The electric telescopic rod 31422 is used for pushing one end of the extending block 31421 to extend out of the connecting block 3142 and be clamped in the groove wall of the first sliding groove 3111 when the connecting block 3142 slides to the end of the first sliding groove 3111, and driving the extending block 31421 to retract into the connecting block 3142 when the inclined strut member 314 slides.
Referring to fig. 5, as another alternative connection structure between the connection block 3142 and the supporting column 311, an extension groove 3112 communicating with the first sliding groove 3111 is respectively disposed at two ends of the first sliding groove 3111, and after the connection block 3142 rotates ninety degrees in the extension groove 3112, the clamping portion 31423 of the connection block 3142 is clamped in the extension groove 3112.
Referring to fig. 1 and 6, in some possible embodiments, the rotating assembly 32 includes a second rotating disc 321 and a clamping seat 322; the second turntable 321 is rotatably connected to the first end and has a third degree of freedom rotating around the axis direction of the steel pipe 6; the clamping seat 322 is arranged on the second rotating disc 321; the clamping base 322 is provided with a plurality of clamping blocks 323 arranged around the steel pipe 6 at intervals, and the plurality of clamping blocks 323 are connected to the clamping base 322 in a sliding manner along the radial direction of the steel pipe 6; the clamping blocks 323 are used for clamping or loosening the steel tube 6 in a matching manner, and the second rotating disc 321 is used for driving the steel tube 6 to rotate through the clamping seat 322.
For realizing that runner assembly 32 presss from both sides tight steel pipe 6 to drive steel pipe 6 and rotate, be provided with second carousel 321 and press from both sides tight seat 322 in this application, second carousel 321 is used for driving steel pipe 6 through pressing from both sides tight seat 322 and rotates, presss from both sides tight seat 322 and is used for pressing from both sides tight steel pipe 6.
It should be noted that, the first turntable 312 and the second turntable 321 that are adopted in this application all include rotation driving piece and mount pad, and the rotation driving piece passes through gear structure drive mount pad and rotates to the mount pad drives tie-beam 313 or presss from both sides tight seat 322 to rotate during, and the specific structure and the theory of operation of first turntable 312 and second turntable 321 all belong to prior art, and no longer describe herein.
Referring to fig. 6, in some embodiments, a clamping driving member 324 and a transmission assembly 325 are disposed in the clamping base 322; the driving end of the transmission assembly 325 is rotatably connected with the power output end of the clamping driving member 324, and the driven end of the transmission assembly 325 is connected with the clamping block 323 and used for driving the clamping block 323 to slide along the radial direction of the steel pipe 6.
The driving motor adopted in the present application is used for driving the clamping block 323 to clamp the steel pipe 6 through the transmission component 325.
Referring to fig. 6 and 7, in particular, the clamping driving member 324 is a driving motor; drive assembly 325 includes a first gear 3251, a plurality of drive shafts 3252, a plurality of second gears 3253, a plurality of third gears 3254, and a plurality of racks 3255; the first gear 3251 is arranged on a power output shaft of the driving motor; a plurality of drive shafts 3252 are spaced around the axis of the first toothed wheel 3251; one end of each transmission shaft 3252 is provided with a second gear 3253, and a plurality of second gears 3253 are in meshing transmission with the first gear 3251; the plurality of third gears 3254 correspond to the plurality of transmission shafts 3252 one by one, and are respectively arranged at the other end of the corresponding transmission shaft 3252; the plurality of racks 3255 correspond to the plurality of clamping blocks 323 one by one; the racks 3255 are respectively connected to one end of the clamping block 323 extending into the clamping seat 322; and the plurality of racks 3255 are engaged with the plurality of third gears 3254 in a one-to-one correspondence.
The embodiment of the invention also provides a steel pipe flaw detection method, and the transmission device for steel pipe flaw detection comprises the following steps:
s1, enabling a fixing assembly 2 to clamp a steel pipe 6, and conveying the steel pipe 6 to a radiographic inspection chamber by a conveyor 1;
s2, enabling the first end to drive the rotating assembly 32 to rotate to an extending state, and enabling the rotating assembly 32 to clamp the steel pipe 6; the fixing component 2 loosens the steel pipe 6;
s3, adjusting a monitoring end 5 of the monitoring assembly, and aligning the monitoring end 5 to the steel pipe 6;
s4, enabling the flaw detection end of the flaw detector 4 to face the steel pipe 6; opening the flaw detector 4, and enabling the flaw detector 4 to slide along the axial direction of the steel pipe 6;
s5, driving the steel pipe 6 to rotate by the rotating assembly 32 while the step S4 is carried out;
s6, closing the flaw detector 4 after flaw detection is finished;
s7, clamping the steel pipe 6 by the fixing component 2; the rotating component 32 loosens the steel pipe 6, and the first end drives the rotating component 32 to rotate to the abdicating state; the conveyor 1 conveys the steel pipe 6 out of the radiation inspection chamber.
The steel pipe flaw detection method provided by the embodiment of the application has all the beneficial effects of the conveying device for steel pipe flaw detection due to the adoption of the conveying device for steel pipe flaw detection, so that the flaw detector 4 is convenient to set and the flaw detection operation is simpler and more convenient, the steel pipe can be conveniently subjected to comprehensive flaw detection, and the better flaw detection effect is achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A conveyer for steel pipe flaw detection, its characterized in that includes:
the conveyor is used for conveying the steel pipe into the radiographic inspection chamber;
the at least two groups of fixing assemblies are arranged on the conveyor at intervals along the axial direction of the steel pipe; the fixing assembly is used for clamping or loosening the steel pipe;
the two groups of rotating mechanisms are arranged on one side of the conveyor; the rotating mechanism comprises a rotating assembly and a supporting assembly, the supporting assembly is provided with a first end, the first end is in an extending state of rotating to be close to the end part of the steel pipe, and the first end is also in a abdicating state of rotating to one side of the conveyor; the rotating assembly is connected to the first end, and when the supporting assembly is in the extending state, the rotating clamping assembly is used for clamping the steel pipe and driving the steel pipe to rotate;
the flaw detector is arranged on the other side of the conveyor and is opposite to the rotating mechanism; the flaw detection end of the flaw detector faces the steel pipe; the flaw detector has a first degree of freedom sliding along the axial direction of the steel pipe; and
and the monitoring assembly is provided with a plurality of monitoring ends distributed in the radiographic inspection chamber, and the monitoring ends are used for monitoring the working condition in the radiographic inspection chamber.
2. The conveyor for steel pipe inspection according to claim 1, wherein the fixing assembly comprises:
the fixing piece is fixed on the conveyor;
the moving piece and the fixed piece are symmetrically arranged along the axis of the steel pipe, the moving piece is connected to the conveyor in a sliding mode along the direction close to or far away from the fixed piece, and the moving piece and the fixed piece are matched to clamp or loosen the steel pipe;
the telescopic driving part is arranged on one side, opposite to the moving part and the fixing part, of the moving part, and the output end of the telescopic driving part is connected with the moving part.
3. The conveying apparatus for steel pipe flaw detection according to claim 2, wherein the fixed member is provided with a first mounting portion arranged in an arc shape, and the moving member is provided with a second mounting portion arranged in an arc shape; the second installation department with first installation department is used for the cooperation to hold tightly the steel pipe.
4. The conveying device for steel pipe flaw detection according to claim 3, wherein a horizontal extension plate is provided below the fixing member near the first mounting portion, and a slot adapted to the extension plate is provided on the second mounting portion; when the moving part approaches to the fixed part, the extension plate is inserted into the slot; when the moving piece is far away from the fixed piece, the extending plate slides out of the slot and is supported at the bottom of the steel pipe.
5. The conveyor for steel pipe inspection of claim 1, wherein the support assembly comprises:
the supporting column is arranged on one side of the conveyor;
the first rotating disc is rotatably connected to the top of the supporting column; the first turntable has a second degree of freedom that rotates about the axis of the support post;
the connecting beam is fixed on the first rotary table, and one end of the connecting beam extends out of the first rotary table along the radial direction of the first rotary table to form the first end; and
one end of the diagonal bracing piece is connected with the connecting beam, and the other end of the diagonal bracing piece is connected with the supporting column in a sliding manner along the circumferential direction of the supporting column;
wherein, first carousel is used for passing through the tie-beam drives the runner assembly rotates, so that first end is followed the state of stretching out rotates extremely the state of stepping down, just the diagonal brace piece is followed the tie-beam is followed the circumference of support column slides.
6. The conveyor for steel pipe inspection according to claim 5, wherein the diagonal stay comprises:
the inclined supporting beam is arranged obliquely to the supporting column; the upper end of the inclined supporting beam is fixed with the connecting beam;
the connecting block rotates to be connected the lower extreme of bracing roof beam, and with the support column is followed the circumference sliding connection of support column.
7. The conveying device for steel pipe flaw detection according to claim 6, wherein a first sliding groove is formed in the supporting column along a circumferential direction of the supporting column, and the connecting block is slidably connected to the first sliding groove; the first end is in the abdicating state or when the first end extends out, the connecting block is clamped with the groove wall of the first sliding groove.
8. The conveyor for steel pipe inspection according to claim 1, wherein the rotating assembly comprises:
the second turntable is rotationally connected to the first end and has a third degree of freedom rotating around the axial direction of the steel pipe;
the clamping seat is arranged on the second rotary table; the clamping seat is provided with a plurality of clamping blocks which are arranged around the steel pipe at intervals, and the plurality of clamping blocks are connected to the clamping seat in a sliding manner along the radial direction of the steel pipe;
the clamping blocks are used for clamping or loosening the steel pipe in a matched mode, and the second rotary disc is used for driving the steel pipe to rotate through the clamping seat.
9. The conveying device for the steel pipe flaw detection according to claim 8, wherein a clamping driving piece and a transmission assembly are arranged in the clamping seat; the driving end of the transmission assembly is rotatably connected with the power output end of the clamping driving piece, and the driven end of the transmission assembly is connected with the clamping block and used for driving the clamping block to slide along the radial direction of the steel pipe.
10. A steel pipe flaw detection method using the conveying apparatus for steel pipe flaw detection according to any one of claims 1 to 9, characterized by comprising the steps of:
s1, enabling the fixing assembly to clamp the steel pipe, and conveying the steel pipe to a radiographic inspection chamber by using the conveyor;
s2, enabling the first end to drive the rotating assembly to rotate to the extending state, and enabling the rotating assembly to clamp the steel pipe; releasing the steel tube from the fixing assembly;
s3, adjusting a monitoring end of the monitoring assembly, and aligning the monitoring end to the steel pipe;
s4, enabling the flaw detection end of the flaw detector to face the steel pipe; opening the flaw detector, and enabling the flaw detector to slide along the axial direction of the steel pipe;
s5, driving the steel pipe to rotate by the rotating assembly while the step S4 is carried out;
s6, closing the flaw detector after flaw detection is finished;
s7, clamping the steel pipe by the fixing assembly; the rotating assembly loosens the steel pipe, and the first end drives the rotating assembly to rotate to the abdicating state; and the conveyor conveys the steel pipe out of the radiographic inspection chamber.
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