CN111043447A - X-ray flaw detector for large-sized pipeline - Google Patents
X-ray flaw detector for large-sized pipeline Download PDFInfo
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- CN111043447A CN111043447A CN201911222521.0A CN201911222521A CN111043447A CN 111043447 A CN111043447 A CN 111043447A CN 201911222521 A CN201911222521 A CN 201911222521A CN 111043447 A CN111043447 A CN 111043447A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- F16L55/30—Constructional aspects of the propulsion means, e.g. towed by cables
- F16L55/32—Constructional aspects of the propulsion means, e.g. towed by cables being self-contained
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- F16L55/40—Constructional aspects of the body
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/30—Inspecting, measuring or testing
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- 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
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- 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
- G01N2223/10—Different kinds of radiation or particles
- G01N2223/101—Different kinds of radiation or particles electromagnetic radiation
- G01N2223/1016—X-ray
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- 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
- G01N2223/628—Specific applications or type of materials tubes, pipes
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Abstract
The invention relates to the field of flaw detectors, in particular to an X-ray flaw detector for a large-sized pipeline, which comprises a bottom plate, a mounting plate, a travelling mechanism, a first adjusting mechanism, a transmission mechanism, a second adjusting mechanism and a cleaning mechanism, wherein the mounting plate is arranged on the bottom plate; when the device is used, the first adjusting mechanism is matched with the travelling mechanism, so that the travelling mechanism is telescopically adjusted through the first adjusting mechanism, the travelling mechanism can travel on the inner walls of pipelines with different inner diameters, and the device can adapt to different pipelines; the device is driven by the transmission mechanism to rotate continuously when in use, so that the device can more uniformly realize flaw detection on the inner wall of the pipeline; the second adjusting mechanism is adjusted, so that the main body of the flaw detection equipment is further adjusted, and the pipeline is convenient to detect flaws; meanwhile, under the driving of the transmission mechanism, the cleaning mechanism can continuously blow the travelling mechanism, so that ash is conveniently removed from travelling parts of the device, and the travelling effect of the device is ensured.
Description
Technical Field
The invention relates to the field of flaw detectors, in particular to an X-ray flaw detector for a large-sized pipeline.
Background
The flaw detector is generally nondestructive flaw detection, and is specially used for the industrial departments of shipbuilding, petroleum, chemical engineering, machinery, aerospace, transportation, building and the like to inspect the quality of processing and welding materials and parts of ship bodies, pipelines, high-pressure vessels, boilers, airplanes, vehicles, bridges and the like and the quality of various processed parts of light metals, rubber, ceramics and the like. The method has wide application, can display the surface and internal defects of parts and welding parts processed by materials so as to evaluate the quality of products, can display the position, shape and size of discontinuity, and is widely applied to the flaw detection work of large pipelines.
However, in the actual use process of the existing large-scale pipeline X-ray flaw detector, because the diameters of various pipelines are different, the sizes of the traditional flaw detectors are mostly constant, and the flaw detection of pipelines with different specifications is difficult to realize; in addition, in the flaw detection process, because the main body of the flaw detector is generally fixed, the uniform flaw detection work on the inner wall of the pipeline is difficult to realize, the accuracy of the flaw detection work is influenced, and meanwhile, in the use process, parts used for moving on the device are inevitably infected with a lot of dust, so that the time is long, and the walking of the device in the pipeline is possibly not facilitated.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an X-ray flaw detector for a large-sized pipeline.
The technical scheme adopted by the invention for solving the technical problems is as follows: an X-ray flaw detector for large pipelines comprises a bottom plate, a mounting plate, a traveling mechanism, a first adjusting mechanism, a transmission mechanism, a second adjusting mechanism and a cleaning mechanism, the mounting plate for mounting other mechanisms is fixed on one side of the bottom plate for mounting the travelling mechanism, the side wall of the walking mechanism is provided with the walking mechanism for enabling the device to walk and move, the first adjusting mechanism for performing telescopic adjustment on the walking mechanism is arranged in the walking mechanism, one side of the mounting plate, which is far away from the bottom plate, is provided with the transmission mechanism for realizing the rotation of the device body, the other end of the transmission mechanism is provided with the second adjusting mechanism for telescopic adjustment of the device body, one side of the travelling mechanism is provided with the cleaning mechanism for cleaning dust of the travelling mechanism.
The utility model discloses a walking mechanism, including walking frame, pivot, gyro wheel, first gear, chain and first motor, be the disc form the lateral wall of bottom plate is circumference array sliding connection and has a plurality of L shapes the walking frame, the internally mounted of walking frame one side has first motor, the one end of motor is rotated and is connected with one and be shaft-like the pivot, the internal rotation of walking frame opposite side is connected with another the pivot, two be fixed with one respectively on the lateral wall of pivot tip first gear, two pass through between the first gear the chain rotates to be connected, and two install one respectively on the lateral wall at pivot middle part the gyro wheel, the gyro wheel is two-sided toper form, the gyro wheel link up one side of walking frame extends to the outside of walking frame.
Specifically, the first adjusting mechanism comprises a first screw rod, a first knob, a second gear and a third gear, the first screw rod is connected to the inner thread of one side of the walking frame, the bottom end of the first screw rod is rotatably connected to the inner part of the bottom plate, and the third gear in a helical gear shape is fixed on the side wall of the first screw rod; one side of the walking frame is rotatably connected with the first knob, the first knob penetrates through one side of the walking frame and extends to the inner cavity of the walking frame, one end of the first knob in the walking frame is fixedly provided with the second gear which is also in a helical gear shape, and the second gear is meshed with the third gear.
Specifically, the transmission mechanism comprises a protective cover, a sliding chute, a second motor, a second screw rod, a toothed plate, a sliding rod, a fourth gear and a rotating rod, wherein a funnel-shaped protective cover is fixed on one side of the mounting plate, which is in a circular plate shape and is far away from the bottom plate, the rotating rod is rotatably connected to the middle of one side of the mounting plate, which is far away from the bottom plate, and the fourth gear is fixed on the side wall of one end, which is close to the mounting plate, of the rotating rod; lie in on the mounting panel one side of fourth gear is equipped with one the spout, lie in on the mounting panel install one side of spout the second motor, the one end of second motor is rotated and is connected with one the second screw rod, threaded connection has one on the lateral wall of second screw rod the pinion rack, the pinion rack is through locating one side be L form the slide bar block in be equipped with on the mounting panel the position of spout.
Specifically, second adjustment mechanism includes second knob, loop bar, sleeve, defectoscope main part and third screw rod, the bull stick deviates from the inside of mounting panel one end has been cup jointed and has been the L form the loop bar, the other end of loop bar is fixed with and is leaks hopper-shaped the sleeve, telescopic internally mounted has the defectoscope main part, the top of bull stick is rotated and is connected with one the second knob, the second knob link up one side of bull stick is fixed with the third screw rod, third screw rod threaded connection in the inside of loop bar.
Specifically, the cleaning mechanism comprises a fixing ring, a support rod, an air bag and an air blowing pipe, wherein the air bag is fixed on one side of the walking frame, which faces the mounting plate, and the air blowing pipe is arranged on one side of the air bag in an L shape; the side wall of the rotating rod, which is close to one end of the protective cover, is sleeved with the fixing ring, the side wall of the fixing ring is connected with the rod-shaped supporting rod, and the length of the supporting rod is greater than the radius length of the bottom plate.
The invention has the beneficial effects that:
(1) when the X-ray flaw detector for the large-sized pipeline is used, the first adjusting mechanism is arranged in the travelling mechanism, and the first adjusting mechanism is matched with the travelling mechanism, so that the travelling mechanism can be conveniently adjusted in a telescopic manner through the first adjusting mechanism, the travelling mechanism can travel on the inner walls of pipelines with different inner diameters, and the device can adapt to different pipelines; namely: when the pipeline of different specifications needs to be detected, a user firstly manually rotates the first knob, the first knob drives the second gear to rotate, the second gear rotates to drive the third gear to rotate, the third gear rotates to drive the first screw to rotate, the first screw rotates to drive the walking frame to generate a rotating trend, but the walking frame is limited by the bottom plate, the walking frame can only stretch back and forth continuously in the bottom plate, the adjustment is stopped when the roller on the walking frame just pushes against the inner wall of the pipeline, the contact area of the whole walking mechanism and the pipe wall is increased due to the L-shaped walking frame, the walking process of the device is more stable, meanwhile, the friction contact area of the roller and the pipe wall is reduced due to the double-sided cone shape of the roller, the resistance force applied when the roller rolls is favorably reduced, and therefore the telescopic adjustment of the walking frame is conveniently realized by the first knob, so that the device can adapt to large pipelines with different inner diameters.
(2) When the X-ray flaw detector for the large-sized pipeline is used, the transmission mechanism is arranged on one side, away from the bottom plate, of the mounting plate, and the transmission mechanism rotates on the mounting plate, so that the device is driven by the transmission mechanism to rotate continuously when in use, and the flaw detection on the inner wall of the pipeline can be realized more uniformly; namely: when preparing to put into the pipeline inner wall with the device and detect a flaw, switch on the second motor, when the device was walked at the pipeline inner wall, the second motor rotated and is driven the second screw rod and rotate, the second screw rod rotates and drives the pinion rack and produce pivoted trend, but because the pinion rack passes through the slide bar and is spacing by the mounting panel, then the pinion rack can only pass through the continuous back and forth slip of slide bar along the spout, then the pinion rack is when moving, can drive the continuous back and forth rotation of fourth gear, the fourth gear rotates and drives the continuous rotation of bull stick, thereby the continuous second adjustment mechanism that drives of bull stick rotates, make the continuous rotation of equipment body for detecting a flaw, realize more even the detecting a flaw to the pipeline inner wall.
(3) When the X-ray flaw detector for the large-sized pipeline is used, the second adjusting mechanism is arranged at one end, away from the mounting plate, of the transmission mechanism, and the second adjusting mechanism is adjusted manually, so that the main body of the flaw detection equipment is further adjusted, and the pipeline is convenient to detect flaws; namely: when needs are detected a flaw to the pipeline of different materials, before the use, the user can manually rotate the second knob, the second knob rotates and drives the third screw rod and rotate, the third screw rod rotates and drives the loop bar and produce the pivoted trend, but because the loop bar is spacing by the bull stick, then the loop bar can only be at the inside flexible of bull stick, the loop bar removes and drives the sleeve and removes, the sleeve removes and drives the removal of flaw detection main part, thereby the accessible is adjusted the rotation of second knob before the use, conveniently adjust the defectoscope main part, make the actual distance of conveniently setting up the defectoscope main part to being surveyed the pipe wall, further realize the reasonable flaw detection to the pipeline inner wall, improve the accuracy of pipeline flaw detection.
(4) When the X-ray flaw detector for the large-sized pipeline is used, the cleaning mechanism is arranged on one side of the travelling mechanism, and the travelling part on the travelling mechanism can be continuously blown by the cleaning mechanism under the driving of the transmission mechanism during actual use, so that the travelling part of the device can be conveniently cleaned, and the travelling effect of the device can be ensured; namely; in the use, in the continuous pivoted in-process of bull stick, the bull stick rotates and drives solid fixed ring and rotate, gu fixed ring rotates and drives and supports the pole and rotate, support the pole at the rotation in-process, can be continuous to extrude the conflict to a plurality of gasbags, receive the extrusion back when the gasbag, can produce the skew and conflict on pipe inner wall, it is spacing by pipe inner wall, the bull stick is also taking the main part of detecting a flaw to rotate this moment, make the focus of device constantly change, then conflict behind pipe inner wall when the gasbag, will increase the area of contact of device with the pipeline, improve the stability of device, continue to receive the extrusion back of supporting the pole when the gasbag, will be through gas blow pipe constantly blowout gas, thereby make the continuous deashing to the gyro wheel of gas blow pipe blowout gas, make avoid being stained with too much on the gyro wheel and attach the dust when using, guarantee.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of the overall structure of an X-ray inspection machine for large pipelines according to the present invention;
FIG. 2 is a schematic view of a connection structure of the traveling mechanism and the first adjusting mechanism shown in FIG. 1;
FIG. 3 is a schematic structural view of the transmission mechanism shown in FIG. 1;
FIG. 4 is a schematic view of the linkage of the transmission mechanism and the second adjustment mechanism shown in FIG. 1;
FIG. 5 is an enlarged view of portion A of FIG. 1;
FIG. 6 is an enlarged view of the portion B shown in FIG. 2;
fig. 7 is an enlarged view of the portion C shown in fig. 2.
In the figure: 1. the device comprises a bottom plate, 2, a mounting plate, 3, a traveling mechanism, 31, a traveling frame, 32, a rotating shaft, 33, a roller, 34, a first gear, 35, a chain, 36, a first motor, 4, a first adjusting mechanism, 41, a first screw rod, 42, a first knob, 43, a second gear, 44, a second gear, 5, a transmission mechanism, 51, a shield, 52, a sliding chute, 53, a second motor, 54, a second screw rod, 55, a toothed plate, 56, a sliding rod, 57, a third gear, 58, a rotating rod, 6, a second adjusting mechanism, 61, a second knob, 62, a loop bar, 63, a sleeve, 64, a flaw detector main body, 65, a third screw rod, 7, a cleaning mechanism, 71, a fixing ring, 72, a support bar, 73, an air bag, 74 and an air blow pipe.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-7, the X-ray flaw detector for large pipes according to the present invention includes a bottom plate 1, a mounting plate 2, a traveling mechanism 3, a first adjusting mechanism 4, a transmission mechanism 5, a second adjusting mechanism 6 and a cleaning mechanism 7, wherein the mounting plate 2 for mounting other mechanisms is fixed on one side of the bottom plate 1 for mounting the traveling mechanism 3, the traveling mechanism 3 for moving the apparatus is provided on a side wall of the traveling mechanism 3, the first adjusting mechanism 4 for telescopically adjusting the traveling mechanism 3 is provided inside the traveling mechanism 3, the transmission mechanism 5 for rotating the apparatus body is provided on one side of the mounting plate 2 away from the bottom plate 1, the second adjusting mechanism 6 for telescopically adjusting the apparatus body is provided on the other end of the transmission mechanism 5, and one side of the travelling mechanism 3 is provided with the cleaning mechanism 7 for cleaning the travelling mechanism 3.
Specifically, the traveling mechanism 3 includes a traveling frame 31, a rotating shaft 32, a roller 33, a first gear 34, a chain 35 and a first motor 36, the side wall of the circular plate-shaped bottom plate 1 is connected with a plurality of L-shaped traveling frames 31 in a sliding manner in a circumferential array manner, the first motor 36 is installed inside one side of the walking frame 31, one end of the motor 36 is rotatably connected with the rod-shaped rotating shaft 32, the other rotating shaft 32 is rotatably connected to the inside of the other side of the walking frame 31, the first gears 34 are respectively fixed on the side walls of the end parts of the two rotating shafts 32, the two first gears 34 are rotatably connected through the chain 35, and the side walls of the middle parts of the two rotating shafts 32 are respectively provided with one roller 33, the rollers 33 are in a double-sided cone shape, the roller 33 penetrates one side of the walking frame 31 and extends to the outside of the walking frame 31; when the device is used, the walking mechanism 3 is fixedly arranged on the side wall of the bottom plate 1, so that the whole device can conveniently move in a pipeline under the power provided by the walking mechanism 3; namely: when the user is detecting a flaw to the large-scale pipeline, earlier with walking frame 31 adjusts to suitable position, places the inner wall of putting into the pipeline with whole device again, makes gyro wheel 33 laminates in the inner wall of pipeline, then will first motor 36 switch on, then first motor 36 rotates and drives one pivot 32 rotates, one pivot 32 rotates and drives one first gear 34 rotates, one first gear 34 rotates and passes through the transmission of chain 35 drives another gear 34 rotates, another gear 34 rotates and drives another pivot 32 rotates, then two pivot 32 rotates and drives two gyro wheel 33 rotates, thereby makes a plurality ofly gyro wheel 33 rolls in the inner wall of pipeline simultaneously for can realize driving whole device and remove in the pipeline.
Specifically, the first adjusting mechanism 4 includes a first screw 41, a first knob 42, a second gear 43 and a third gear 44, the first screw 41 is connected to the inner thread of one side of the traveling frame 31, the bottom end of the first screw 41 is rotatably connected to the inside of the bottom plate 1, and the third gear 44 in a helical gear shape is fixed on the side wall of the first screw 41; the first knob 42 is rotatably connected to one side of the traveling frame 31, the first knob 42 extends to an inner cavity of the traveling frame 31 through one side of the traveling frame 31, the second gear 43, which is also in a helical gear shape, is fixed to one end of the first knob 42 inside the traveling frame 31, and the second gear 43 is engaged with the third gear 44; when the device is used, the first adjusting mechanism 4 is arranged inside the travelling mechanism 3, and the first adjusting mechanism 4 and the travelling mechanism 3 are matched with each other, so that the travelling mechanism 3 can be conveniently adjusted in a telescopic manner through the first adjusting mechanism 4, the travelling mechanism 3 can travel on the inner walls of pipelines with different inner diameters, and the device can adapt to different pipelines; namely: when needing to detect a flaw to the pipeline of different specifications, the user is manual earlier right first knob 42 rotates, first knob 42 rotates and drives second gear 43 rotates, second gear 43 rotates and drives third gear 44 rotates, third gear 44 rotates and drives first screw 41 rotates, first screw 41 rotates and drives walking frame 31 produces the pivoted trend, nevertheless because walking frame 31 quilt bottom plate 1 is spacing, then walking frame 31 can only be in the inside of bottom plate 1 is continuous flexible back and forth, thereby is convenient for pass through first knob 42 realizes right walking frame 31's flexible regulation for this device can adapt to the large-scale pipeline of different internal diameters.
Specifically, the transmission mechanism 5 includes a shield 51, a chute 52, a second motor 53, a second screw 54, a toothed plate 55, a sliding rod 56, a fourth gear 57 and a rotating rod 58, the funnel-shaped shield 51 is fixed on one side of the mounting plate 2 away from the bottom plate 1, the rotating rod 58 is rotatably connected to the middle of one side of the mounting plate 2 away from the bottom plate 1, and the fourth gear 57 is fixed on the side wall of the rotating rod 58 close to one end of the mounting plate 2; the sliding groove 52 is formed in one side, located on the fourth gear 57, of the mounting plate 2, the second motor 53 is installed on one side, located on the sliding groove 52, of the mounting plate 2, one end of the second motor 53 is rotatably connected with the second screw 54, the side wall of the second screw 54 is in threaded connection with the toothed plate 55, and the toothed plate 55 is clamped to the position, located on the mounting plate 2, of the sliding groove 52 through the L-shaped sliding rod 56 arranged on one side of the toothed plate 55; when the device is used, the transmission mechanism 5 is arranged on one side of the mounting plate 2, which is far away from the bottom plate 1, and the transmission mechanism 5 is rotated on the mounting plate 2, so that the device is driven by the transmission mechanism 5 to rotate continuously when in use, and the device can realize the flaw detection of the inner wall of the pipeline more uniformly; namely: when the device is ready to be placed into the inner wall of the pipeline for flaw detection, the second motor 53 is powered on, when the device travels on the inner wall of the pipeline, the second motor 53 rotates to drive the second screw 54 to rotate, the second screw 54 rotates to drive the toothed plate 55 to generate a rotating trend, but because the toothed plate 55 is limited by the mounting plate 2 through the sliding rod 56, the toothed plate 55 can only slide back and forth continuously along the sliding groove 52 through the sliding rod 56, the toothed plate 55 can drive the fourth gear 57 to rotate back and forth continuously when moving, and the fourth gear 57 rotates to drive the rotating rod 58 to rotate continuously, so that the rotating rod 58 continuously drives the second adjusting mechanism 6 to rotate, the equipment body for flaw detection continuously rotates, and more uniform flaw detection on the inner wall of the pipeline is realized.
Specifically, the second adjusting mechanism 6 includes a second knob 61, a loop bar 62, a sleeve 63, a flaw detector main body 64, and a third screw 65, the loop bar 62 in an L shape is sleeved inside one end of the rotating bar 58 away from the mounting plate 2, the other end of the loop bar 62 is fixed with the sleeve 63 in a funnel shape, the flaw detector main body 64 is installed inside the sleeve 63, the top of the rotating bar 58 is rotatably connected with one of the second knobs 61, one side of the second knob 61 penetrating through the rotating bar 58 is fixed with the third screw 65, and the third screw 65 is in threaded connection with the inside of the loop bar 62; when the device is used, the second adjusting mechanism 6 is arranged at one end, away from the mounting plate 2, of the transmission mechanism 5, and the second adjusting mechanism 6 is manually adjusted, so that the main body of the flaw detection equipment is further adjusted, and the pipeline is convenient to detect flaws; namely: when needing to detect a flaw to the pipeline of different materials, before the use, the user can be manual right the second knob 61 rotates, second knob 61 rotates the drive third screw rod 65 rotates, third screw rod 65 rotates the drive loop bar 62 produces the pivoted trend, nevertheless because loop bar 62 quilt the bull stick 58 is spacing, then loop bar 62 only can be at the inside flexible of bull stick 58, loop bar 62 removes the drive sleeve 63 removes, sleeve 63 removes the drive defectoscope main part 64 removes, thereby the accessible is right before the use the rotation of second knob 61 is adjusted, and is convenient right defectoscope main part 64 is adjusted, makes the convenience set up defectoscope main part 64 is to the actual distance of being surveyed, further realizes detecting a flaw reasonable pipe wall to the pipeline inner wall, improves the pipe wall accuracy of detecting a flaw.
Specifically, the cleaning mechanism 7 includes a fixing ring 71, a support rod 72, an air bag 73 and an air blowing pipe 74, the air bag 73 is fixed on one side of the walking frame 31 facing the mounting plate 2, and the air blowing pipe 74 in an L shape is arranged on one side of the air bag 73; the side wall of the rotating rod 58 close to one end of the shield 51 is sleeved with the fixing ring 71, the side wall of the fixing ring 71 is connected with the rod-shaped abutting rod 72, and the length of the abutting rod 72 is greater than the radius length of the bottom plate 1; when the device is used, the cleaning mechanism 7 is arranged on one side of the travelling mechanism 3, and the cleaning mechanism 7 can continuously blow the travelling part on the travelling mechanism 3 under the driving of the transmission mechanism 5 during actual use, so that the travelling part of the device is convenient to clean ash, and the travelling effect of the device can be ensured; namely; in the using process, in the process that the rotating rod 58 continuously rotates, the rotating rod 58 rotates to drive the fixing ring 71 to rotate, the fixing ring 71 rotates to drive the abutting rod 72 to rotate, the abutting rod 72 continuously extrudes and abuts on the plurality of air bags 73 in the rotating process, when the air bags 73 are extruded, the air bags can generate deviation and abut on the inner wall of the pipeline and are limited by the inner wall of the pipeline, at the moment, the rotating rod 58 also drives the flaw detector main body 64 to rotate, the gravity center of the device is continuously changed, when the air bags 73 abut on the inner wall of the pipeline, the contact area between the device and the pipeline can be increased, the stability of the device is improved, when the air bags 73 are continuously extruded by the abutting rod 72, gas can be continuously sprayed out through the gas blowing pipe 74, and the gas sprayed out by the gas blowing pipe 74 can continuously clean the idler wheels 33, so that the roller 33 is prevented from being adhered with excessive dust during use, and the walking effect of the device is ensured.
When the device is used, firstly, when the pipeline with different specifications needs to be detected, a user manually rotates the first knob 42, the first knob 42 rotates to drive the second gear 43 to rotate, the second gear 43 rotates to drive the third gear 44 to rotate, the third gear 44 rotates to drive the first screw 41 to rotate, the first screw 41 rotates to drive the walking frame 31 to generate a rotating trend, but the walking frame 31 is limited by the bottom plate 1, the walking frame 31 can only continuously extend and retract in the bottom plate 1, so that the stretching adjustment of the walking frame 31 is realized through the first knob 42, the device can adapt to large pipelines with different inner diameters, the whole device is placed into the inner wall of the pipeline, the roller 33 is attached to the inner wall of the pipeline, then the first motor 36 is powered on, the first motor 36 rotates to drive one rotating shaft 32 to rotate, one rotating shaft 32 rotates to drive one first gear 34 to rotate, one first gear 34 rotates to drive the other gear 34 to rotate through the transmission of the chain 35, the other gear 34 rotates to drive the other rotating shaft 32 to rotate, and the two rotating shafts 32 rotate to drive the two rollers 33 to rotate, so that the rollers 33 roll on the inner wall of the pipeline at the same time, and the whole device is driven to move in the pipeline; when the device runs on the inner wall of the pipeline, the second motor 53 rotates to drive the second screw rod 54 to rotate, the second screw rod 54 rotates to drive the toothed plate 55 to rotate, but because the toothed plate 55 is limited by the mounting plate 2 through the sliding rod 56, the toothed plate 55 can only slide back and forth continuously along the sliding groove 52 through the sliding rod 56, when the toothed plate 55 moves, the fourth gear 57 can be driven to rotate back and forth continuously, the fourth gear 57 rotates to drive the rotating rod 58 to rotate continuously, so that the rotating rod 58 continuously drives the second adjusting mechanism 6 to rotate, the equipment body for flaw detection continuously rotates, and more uniform flaw detection on the inner wall of the pipeline is realized; in addition, when pipelines made of different materials need to be inspected, before the pipeline inspection device is used, a user can manually rotate the second knob 61, the second knob 61 rotates to drive the third screw 65 to rotate, the third screw 65 rotates to drive the loop bar 62 to generate a rotating trend, but the loop bar 62 is limited by the rotating rod 58, the loop bar 62 can only stretch out and draw back in the rotating rod 58, the loop bar 62 moves to drive the sleeve 63 to move, and the sleeve 63 moves to drive the inspection machine main body 64 to move, so that the inspection machine main body 64 can be conveniently adjusted by rotating and adjusting the second knob 61 before the pipeline inspection device is used, the actual distance from the inspection machine main body 64 to the wall of the detected pipe can be conveniently set, reasonable inspection on the inner wall of the pipeline is further realized, and the accuracy of pipeline inspection is improved; meanwhile, in the using process, in the process that the rotating rod 58 continuously rotates, the rotating rod 58 rotates to drive the fixing ring 71 to rotate, the fixing ring 71 rotates to drive the abutting rod 72 to rotate, the abutting rod 72 continuously extrudes and abuts against the plurality of air bags 73 in the rotating process, when the air bags 73 are extruded, the air bags can generate deviation and abut against the inner wall of the pipeline and are limited by the inner wall of the pipeline, at the moment, the rotating rod 58 also rotates along with the flaw detector main body 64 to enable the gravity center of the device to continuously change, after the air bags 73 abut against the inner wall of the pipeline, the contact area of the device and the pipeline can be increased, the stability of the device is improved, when the air bags 73 are continuously extruded by the abutting rod, gas can be continuously sprayed out through the gas blowing pipe 74, so that the gas sprayed out by the gas blowing pipe 74 can continuously clean the roller 33, excessive dust attached to the roller 33 can be avoided in use, finally, the whole using process of the device is finished.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An X-ray flaw detector for large pipelines is characterized in that: comprises a bottom plate (1), a mounting plate (2), a walking mechanism (3), a first adjusting mechanism (4), a transmission mechanism (5), a second adjusting mechanism (6) and a cleaning mechanism (7), wherein the mounting plate (2) used for mounting other mechanisms is fixed on one side of the bottom plate (1) for arranging the walking mechanism (3), the side wall of the walking mechanism (3) is provided with the walking mechanism (3) used for enabling the device to walk and move, the first adjusting mechanism (4) used for achieving the telescopic adjustment effect on the walking mechanism (3) is arranged in the walking mechanism (3), the transmission mechanism (5) used for achieving the rotation of the device body is arranged on one side of the mounting plate (2) deviating from the bottom plate (1), the second adjusting mechanism (6) used for achieving the telescopic adjustment effect on the device body is arranged at the other end of the transmission mechanism (5), one side of the travelling mechanism (3) is provided with the cleaning mechanism (7) which is used for cleaning the travelling mechanism (3).
2. An X-ray inspection machine for large pipes according to claim 1, characterized in that: the walking mechanism (3) comprises a walking frame (31), a rotating shaft (32), rollers (33), first gears (34), a chain (35) and a first motor (36), the side wall of the round plate-shaped bottom plate (1) is in a circular array type and is in sliding connection with a plurality of L-shaped walking frames (31), the first motor (36) is installed inside one side of the walking frame (31), one end of the motor (36) is rotatably connected with one rod-shaped rotating shaft (32), the other side of the walking frame (31) is rotatably connected with another rotating shaft (32), the two rotating shafts (32) are respectively fixed with one first gear (34) on the side wall of the end part of the rotating shaft (32), the two first gears (34) are rotatably connected through the chain (35), and the two rollers (33) are respectively installed on the side wall of the middle part of the rotating shaft (32), the roller (33) is in a double-sided cone shape, and one side of the roller (33) penetrating through the walking frame (31) extends to the outside of the walking frame (31).
3. An X-ray inspection machine for large pipes according to claim 2, characterized in that: the first adjusting mechanism (4) comprises a first screw rod (41), a first knob (42), a second gear (43) and a third gear (44), the first screw rod (41) is connected to the inner thread of one side of the traveling frame (31), the bottom end of the first screw rod (41) is rotatably connected to the inner part of the bottom plate (1), and the third gear (44) in a helical gear shape is fixed on the side wall of the first screw rod (41); one side of the walking frame (31) is rotatably connected with the first knob (42), the first knob (42) penetrates through one side of the walking frame (31) and extends to the inner cavity of the walking frame (31), the second gear (43) which is also in a helical gear shape is fixed at one end of the first knob (42) inside the walking frame (31), and the second gear (43) is meshed with the third gear (44).
4. An X-ray inspection machine for large pipes according to claim 2, characterized in that: the transmission mechanism (5) comprises a protective cover (51), a sliding groove (52), a second motor (53), a second screw rod (54), a toothed plate (55), a sliding rod (56), a fourth gear (57) and a rotating rod (58), one side, away from the bottom plate (1), of the mounting plate (2) in a circular plate shape is fixedly provided with the protective cover (51) in a funnel shape, the middle part, away from the bottom plate (1), of the mounting plate (2) is rotatably connected with the rotating rod (58), and the fourth gear (57) is fixedly arranged on the side wall, close to one end of the mounting plate (2), of the rotating rod (58); lie in on mounting panel (2) one side of fourth gear (57) is equipped with one spout (52), lie in on mounting panel (2) install one side of spout (52) second motor (53), the one end of second motor (53) is rotated and is connected with one second screw rod (54), threaded connection has one on the lateral wall of second screw rod (54) pinion rack (55), pinion rack (55) are through locating its one side be the L form slide bar (56) block in be equipped with on mounting panel (2) the position of spout (52).
5. An X-ray inspection machine for large pipes according to claim 4, characterized in that: second adjustment mechanism (6) include second knob (61), loop bar (62), sleeve (63), defectoscope main part (64) and third screw rod (65), bull stick (58) deviate from the inside of mounting panel (2) one end has been cup jointed and is the L form loop bar (62), the other end of loop bar (62) is fixed with and is hourglass hopper-shaped sleeve (63), the internally mounted of sleeve (63) has defectoscope main part (64), the top of bull stick (58) is rotated and is connected with one second knob (61), second knob (61) link up one side of bull stick (58) is fixed with third screw rod (65), third screw rod (65) threaded connection in the inside of loop bar (62).
6. An X-ray inspection machine for large pipes according to claim 4, characterized in that: the cleaning mechanism (7) comprises a fixing ring (71), a support rod (72), an air bag (73) and an air blowing pipe (74), one side, facing the mounting plate (2), of the walking frame (31) is fixedly provided with the air bag (73), and one side of the air bag (73) is provided with the L-shaped air blowing pipe (74); the side wall of the rotating rod (58) close to one end of the protective cover (51) is sleeved with the fixing ring (71), the side wall of the fixing ring (71) is connected with the rod-shaped abutting rod (72), and the length of the abutting rod (72) is larger than the radius length of the bottom plate (1).
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| CN201911222521.0A CN111043447A (en) | 2019-12-03 | 2019-12-03 | X-ray flaw detector for large-sized pipeline |
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| CN201911222521.0A CN111043447A (en) | 2019-12-03 | 2019-12-03 | X-ray flaw detector for large-sized pipeline |
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| CN113063917A (en) * | 2021-03-12 | 2021-07-02 | 蔡忠文 | Surface inspection and flaw detection device for large mechanical parts |
| CN113484639A (en) * | 2021-07-02 | 2021-10-08 | 国网山东省电力公司潍坊供电公司 | Substation main equipment health diagnosis device based on' sound + |
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Application publication date: 20200421 |