CN112881515A - Three-dimensional magnetic flux leakage imaging detector in multi-section combined pipeline - Google Patents
Three-dimensional magnetic flux leakage imaging detector in multi-section combined pipeline Download PDFInfo
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Abstract
The invention discloses a three-dimensional magnetic flux leakage imaging detector in a multi-section combined pipeline, which comprises a driving joint component, a detection joint component, an I O/DO detection joint component and a mileage wheel component which are sequentially connected along the advancing direction of the detector, wherein both the second end of the driving joint component and the second end of the detection joint component are hinged with a coupling component, the second end of the driving joint component is hinged with the first end of the detection joint component through the coupling component, the second end of the detection joint component is hinged with the first end of the IO/DO detection joint component through the coupling component, and the second end of the IO/DO detection joint component is hinged with the first end of the mileage wheel component. According to the invention, the driving joint assembly, the detection joint assembly and the IO/DO detection joint assembly are arranged and connected through the coupling assemblies, so that the detection in a bent pipeline is facilitated, and the advancing mileage can be recorded by matching with the mileage wheel assembly, so that the mileage data is provided for analyzing the damaged point of the pipeline.
Description
Technical Field
The invention relates to the technical field of three-dimensional magnetic flux leakage imaging detection in pipelines. In particular to a three-dimensional magnetic flux leakage imaging detector in a multi-section combined pipeline.
Background
The magnetic leakage detection in the pipeline is a means for detecting the pipe wall by utilizing a magnetic leakage detection technology, generally, the magnetic leakage detection in the pipeline adopts the pushing of fluid in the pipeline as the advancing power of the detector, but in the actual use, the fluid in the pipeline possibly has smaller flow, so that the pushing speed is slower, and even when the flow is seriously insufficient, the detector is blocked in the pipeline, so that great inconvenience is brought to the use; moreover, most of the existing detectors adopt a battery compartment to provide electric energy, and once a single power supply fails, the detectors can directly work normally.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide a three-dimensional magnetic flux leakage imaging detector in a multi-section combined pipeline, which is convenient to control the advancing speed and high in detection stability.
In order to solve the technical problems, the invention provides the following technical scheme: three-dimensional magnetic flux leakage imaging detector in multisection combination formula pipeline, including drive festival subassembly, detection festival subassembly, IO/DO detection festival subassembly and the mileage wheel subassembly that connects gradually along detector advancing direction, the second end of drive festival subassembly and the second end of detecting the festival subassembly all articulate there is the coupling subassembly, the second end of drive festival subassembly is articulated through the coupling subassembly and the first end of detecting the festival subassembly, the second end of detecting the festival subassembly is articulated through the coupling subassembly and the first end of IO/DO detection festival subassembly, the second end of IO/DO detection festival subassembly is articulated with the first end of mileage wheel subassembly.
According to the three-dimensional magnetic flux leakage imaging detector in the multi-section combined pipeline, the coupling assembly comprises the connecting shaft rod and the two coupling seats, the first pin hole is formed in the top of one end of each coupling seat, the second pin hole is formed in the side face of the other end of each coupling seat, the first pin hole and the second pin hole are perpendicular to each other, and the second pin holes of the two coupling seats are all provided with the pin shafts in a penetrating mode and hinged to the two ends of the connecting shaft rod through the pin shafts.
The three-dimensional magnetic flux leakage imaging detector in the multi-section combined pipeline comprises a mandrel, wherein a first end surface of the mandrel is sleeved with two first leather cups and a driving separation block, the driving separation block is positioned between the two first leather cups, the two first leather cups and the driving separation block are fixedly connected with the side surface of the mandrel through bolts, a second end surface of the mandrel is sleeved with two second leather cups and another driving separation block, the other driving separation block is positioned between the two second leather cups, the two second leather cups and the other driving separation block are fixedly connected with the side surface of the mandrel through bolts, a power assembly is arranged in the middle of the surface of the mandrel, a first standby battery pack and a second standby battery pack are respectively arranged at two ends of the inner wall of the mandrel, a motor and a double-output speed reducer are respectively and fixedly connected in the middle of the inner wall of the mandrel, and an output shaft of the motor is in transmission connection with an input shaft of the double-speed reducer motor, the output shaft of the double-speed-reducing motor is in transmission connection with an electromagnetic clutch, the surface of the motor is sleeved with a heat conduction ring, the outer wall of the heat conduction ring is attached to the inner wall of the mandrel, heat dissipation fins are arranged at the positions, corresponding to the heat conduction ring, of the outer wall of the mandrel, the end part of the first end of the mandrel is fixedly connected with an anti-collision head through a bolt, and the second end of the mandrel is fixedly connected with a connecting seat through a bolt;
the power component comprises an articulated seat, the articulated seat is sleeved at the middle part of the surface of the mandrel and is connected with the fixed surface of the mandrel, one end of the side wall of the articulated seat is articulated with an articulated frame, the top end of the articulated frame is provided with a driving wheel, the side face of the top end of the articulated frame is articulated with a spring telescopic cylinder, the other end of the spring telescopic cylinder is articulated with the other end of the side wall of the articulated seat, the side face of the articulated frame is fixedly connected with an angle transmission box, the power output shaft of the angle transmission box is connected with the driving wheel in a transmission manner, the power input shaft of the angle transmission box is connected with a telescopic universal transmission shaft, and the other end of the telescopic universal transmission shaft is connected with the side wall.
The three-dimensional magnetic flux leakage imaging detector in the multi-section combined pipeline comprises a back iron cylinder, the two ends of the back iron cylinder are fixedly connected with sealing end covers through bolts, the side walls of the two sealing end covers are also fixedly connected with connecting seats, the inner wall of the back iron cylinder is sleeved with an electronic bin cylinder, an electric bracket is arranged inside the electronic bin cylinder, the top of the electric bracket is provided with a main control board, the bottom of the electric bracket is provided with a hard disk, the main control board is electrically connected with the hard disk through a lead, the two ends of the side wall of the back iron cylinder are fixedly connected with magnetic pole shoes along the circumferential direction, a magnetic block is fixedly connected in the magnetic pole shoe, the top of the magnetic block is fixedly connected with a steel brush plate, the top of the steel brush plate is fixedly connected with a steel brush, a first floating probe frame and a data acquisition box are respectively arranged in the middle of the side wall of the back iron cylinder, and a detection probe module is arranged at the bottom of the first floating probe frame;
the first floating probe frame comprises a floating ring, the side wall of the floating ring is uniformly provided with three or more than three waist-shaped holes along the circumferential direction of the side wall, movable joint bolts penetrate through the waist-shaped holes, the bottom end of each movable joint bolt is fixedly connected with the side wall of the back iron cylinder, a fixed tension spring is fixedly connected between any two movable joint bolts, the side face of each fixed tension spring is lapped on the side wall of the floating ring, the side wall of the floating ring is fixedly connected with an elastic plate and a spring piece, the top end of each elastic plate is hinged with a movable plate, the bottom of each movable plate is fixedly connected with the top of the detection probe module, and the top end of each spring piece is fixedly connected with the bottom of; the connecting seat of the first end of the back iron cylinder and the connecting seat of the second end of the mandrel of the driving section assembly are respectively hinged with the first pin holes of the coupling seats at the two ends of the coupling assembly through pin shafts.
The IO/DO detection joint assembly comprises a cylinder body, a first guide cylinder and a second guide cylinder are fixedly connected to two ends of the cylinder body respectively, the first guide cylinder and the second guide cylinder are identical in structure, the end parts of the first guide cylinder and the second guide cylinder are fixedly connected with a third leather cup and a connecting seat, a main battery pack is arranged at the second end of the inner wall of the cylinder body, a second floating probe frame is arranged on the side wall of the cylinder body, the second floating probe frame is identical in structure with the first floating probe frame of the detection joint assembly, and an IO/DO probe module is arranged at the bottom of a movable plate of the second floating probe frame; and the connecting seat at the first end of the cylinder body and the connecting seat at the second end of the detection joint assembly are respectively hinged with the first pin holes of the coupling seats at the two ends of the other coupling assembly through pin shafts.
According to the three-dimensional magnetic flux leakage imaging detector in the multi-section combined pipeline, the mileage wheel assembly comprises a mileage wheel seat, a connecting frame is hinged to the second end of the mileage wheel seat, a mileage wheel swing arm is hinged to the other end of the connecting frame, mileage wheels are arranged at two ends of the mileage wheel swing arm, a mileage code disc is arranged on the side face of each mileage wheel, a detection sensor corresponding to the mileage code disc is arranged at the top of the mileage wheel swing arm, a mileage wheel tension spring is fixedly connected to the top of the mileage wheel swing arm, and the other end of the mileage wheel tension spring is fixedly connected with the side face of the connecting frame; the first end of the mileage wheel seat is hinged to the connecting seat at the second end of the IO/DO detection section assembly through a pin shaft, the first spare battery pack and the second spare battery pack of the driving section assembly are electrically connected with the main control board through wires, the detection probe module of the detection section assembly and the IO/DO probe module of the IO/DO detection section assembly are electrically connected with the data acquisition box through wires, the data acquisition box is electrically connected with the main control board, and the main control board is electrically connected with the motor and the electromagnetic clutch through wires.
Above-mentioned three-dimensional magnetic leakage imaging detector in multisection combination formula pipeline still includes bracket group, bracket group includes the bearing frame, the dovetail groove has been seted up at the top of bearing frame, dovetail groove internal fixation is connected with the tray, the equal fixedly connected with layer board in bottom both ends of bearing frame, the lower part of layer board is provided with the bottom plate, it has the formula crane of cutting to articulate between bottom plate and the layer board, the bottom both ends of bearing frame all are provided with the sprocket, two the surface transmission of sprocket is connected with the chain, the surface of chain is provided with the ejector pad.
According to the three-dimensional magnetic flux leakage imaging detector in the multi-section combined pipeline, the hydraulic station is arranged at the bottom of the bearing frame, and the hydraulic output end of the hydraulic station is communicated with the hydraulic power input end of the shear type lifting frame.
Above-mentioned three-dimensional magnetic leakage imaging detector in multisection combination formula pipeline, the equal fixedly connected with handle in top both sides of bearing frame, the both sides of bottom plate all are provided with the gyro wheel.
The technical scheme of the invention achieves the following beneficial technical effects:
1. according to the invention, the driving joint assembly, the detection joint assembly and the IO/DO detection joint assembly are arranged and are connected through the coupling assembly, and the coupling assembly can flexibly steer horizontally and vertically, so that the flexibility among the joints is improved, the detection in a bent pipeline is facilitated, and the advancing mileage can be recorded by matching with the mileage wheel assembly, so that mileage data is provided for analyzing a damaged point of the pipeline.
2. According to the invention, by arranging the power assembly, matching with the motor and the double-output speed reducer, the power can be transmitted to the driving wheel through the motor to assist the detector to advance, so that the phenomenon that the advancing speed of the detector is too slow or the detector is stuck in a pipeline due to insufficient fluid flow in the pipeline is avoided, when the fluid flow in the pipeline is sufficient and does not need the auxiliary power, the electromagnetic clutch can cut off the power between the motor and the driving wheel, the phenomenon that the driving wheel needs to drive the motor to rotate when rotating is avoided, and extra resistance is brought to the advancing of the detector; through setting up first spare battery and second spare battery, can provide the backup energy for the detector to avoid main power supply trouble to lead to the unable normal work of equipment, improve equipment operation's reliability.
3. According to the invention, the detection joint assembly is arranged, the circumferential detection can be carried out on the pipe wall, the detection efficiency is higher, the first floating probe frame can drive the detection probe module to move radially relative to the back iron cylinder, the fitting performance of the detection probe module and the inner wall of the pipe is improved, the spring piece can provide extra elastic support, the detection probe is promoted to be fitted with the pipe wall, the detection accuracy is favorably improved, the IO/DO probe module of the IO/DO detection joint assembly is matched, the defect that the defect of the inner wall or the outer wall of the pipe is distinguished, the auxiliary distinguishing is carried out, and the later-stage treatment of the pipe is conveniently carried out manually.
4. According to the invention, the bracket is arranged, so that a plurality of sections of detectors can be conveniently carried, the detectors can be conveniently transported by matching with the roller, the height of the bracket can be conveniently adjusted by arranging the hydraulic power scissor type lifting frame, the detectors can be conveniently placed into pipelines with different heights, and the chain wheel is arranged, so that the chain and the push block can be driven to advance when the chain wheel rotates, the detectors are pushed to advance, and the detectors are conveniently pushed to advance.
Drawings
FIG. 1 is a schematic front sectional view of a driving section assembly of the present invention;
FIG. 2 is a schematic structural view of a power assembly in the drive joint assembly of the present invention;
FIG. 3 is a schematic view of a front cross-sectional structure of a detection segment assembly according to the present invention;
FIG. 4 is an enlarged view of FIG. 3A of the present invention;
FIG. 5 is a schematic structural view of a back iron cylinder in the drive joint assembly of the present invention;
FIG. 6 is a schematic diagram of a front view cross-sectional structure of an IO/DO detection node assembly of the present invention;
FIG. 7 is a schematic structural view of a odometer wheel assembly according to the present invention;
FIG. 8 is a schematic top cross-sectional view of the coupling assembly of the present invention;
FIG. 9 is a schematic view of a coupling seat in the coupling assembly of the present invention;
fig. 10 is a schematic view of the structure of the bracket of the present invention.
The reference numbers in the figures denote: 1-a drive joint assembly; 101-a mandrel; 102-a first leather cup; 103-driving gear separation; 104-a hinged seat; 105-a crash head; 106-second leather cup; 107-a connecting seat; 108-a motor; 109-double output speed reducer; 110-thermally conductive rings; 111-a first backup battery pack; 112-a second backup battery pack; 113-heat sink fins; 114-an electromagnetic clutch; 115-a power assembly; 116-a hinged frame; 117-drive wheels; 118-angle drive box; 119-a telescopic universal drive shaft; 120-spring telescopic cylinder; 2-detecting the node assembly; 201-back iron cylinder; 202-sealing the end cap; 203-a magnetic pole piece; 204-magnetic block; 205-steel brush plate; 206-a data collection box; 207-electronic cartridge; 208-an electrical cradle; 209-main control board; 210-a first floating probe holder; 211-a floating ring; 212-swing bolt; 213-fixed tension spring; 214-a resilient plate; 215-a movable plate; 216-a detection probe module; 217-spring leaf; 3-IO/DO detection node components; 300-a cylinder body; 301-a first draft tube; 302-a second guide shell; 303-third leather cup; 304-a second floating probe holder; 305-IO/DO probe module; 306-a master battery pack; 4-a mileage wheel assembly; 401-mileage wheel seat; 402-a connecting frame; 403-mile wheel swing arm; 404-mileage wheel; 405-mileage code disc; 406-mile wheel tension spring; 5-a coupling assembly; 501-connecting the shaft lever; 502-a shaft coupling seat; 503-a first pin hole; 504-second pin hole; 6-a bearing frame; 7-a tray; 8-a handle; 9-a supporting plate; 10-a scissor type lifting frame; 11-a base plate; 12-a hydraulic station; 13-a sprocket; 14-a chain; 15-a push block; 16-roller.
Detailed Description
The three-dimensional magnetic flux leakage imaging detector in the multi-section combined pipeline comprises a driving joint component 1, a detection joint component 2, an IO/DO detection joint component 3 and a mile wheel component 4 which are sequentially connected along the advancing direction of the detector, wherein a second end of the driving joint component 1 and a second end of the detection joint component 2 are hinged to form a coupling component 5, as shown in fig. 8, the coupling component 5 comprises a coupling rod 501 and two coupling seats 502, a first pin hole 503 is formed in the top of one end of each coupling seat 502, a second pin hole 504 is formed in the side face of the other end of each coupling seat 502, the first pin hole 503 and the second pin hole 504 are perpendicular to each other, pin shafts are arranged in the second pin holes 504 of the two coupling seats 502 in a penetrating mode and hinged to two ends of the coupling rod 501 through the pin shafts, the second end of the driving joint component 1 is hinged to a first end of the detection joint component 2 through the coupling component 5, and the second end of the detection joint component 2 is hinged to a first end of the IO/DO detection The end hinge, IO/DO detects a second end of festival subassembly 3 and is articulated with the first end of mileage wheel subassembly 4, cross and set up drive festival subassembly 1, detect festival subassembly 2, IO/DO detects festival subassembly 3, and all connect through coupling subassembly 5 between the above-mentioned subassembly, coupling subassembly 5 can carry out nimble level and turn to perpendicularly to improve the flexibility between each festival, be favorable to detecting in crooked pipeline, and cooperate mileage wheel subassembly 4, can take notes the mileage that advances, provide data mileage for analysis pipeline damaged point.
As shown in fig. 1-2, the driving link assembly 1 includes a mandrel 101, two first leather cups 102 and a driving barrier 103 are sleeved on a first end surface of the mandrel 101, the driving barrier 103 is located between the two first leather cups 102, the two first leather cups 102 and the driving barrier 103 are fixedly connected to a side surface of the mandrel 101 through bolts, two second leather cups 106 and another driving barrier 103 are sleeved on a second end surface of the mandrel 101, the other driving barrier 103 is located between the two second leather cups 106, the two second leather cups 106 and the other driving barrier 103 are fixedly connected to a side surface of the mandrel 101 through bolts, a power assembly 115 is disposed in a middle portion of a surface of the mandrel 101, the power assembly 115 includes a hinge seat 104, the hinge seat 104 is sleeved in a middle portion of a surface of the mandrel 101 and is fixedly connected to a surface of the mandrel 101, one end of a side wall of the hinge seat 104 is hinged to a hinge bracket 116, the top of articulated frame 116 is provided with drive wheel 117, the top side of articulated frame 116 articulates there is spring telescopic cylinder 120, the other end of spring telescopic cylinder 120 is articulated with the lateral wall other end of articulated seat 104, the side fixedly connected with angle drive box 118 of articulated frame 116, the power output shaft of angle drive box 118 is connected with drive wheel 117 transmission, the power input shaft transmission of angle drive box 118 is connected with telescopic universal drive shaft 119, the other end of telescopic universal drive shaft 119 with run through the lateral wall of dabber 101 and be connected in the power take off end transmission of electromagnetic clutch 114, the inner wall both ends of dabber 101 are provided with first reserve battery group 111 and second reserve battery group 112 respectively, through setting up first reserve battery group 111 and second reserve battery group 112, can provide the reserve energy for the detector to avoid main power supply trouble to lead to the unable normal work of equipment, the running reliability of the device is improved, the middle part of the inner wall of the mandrel 101 is fixedly connected with a motor 108 and a double-output speed reducer 109 respectively, the output shaft of the motor 108 is in transmission connection with the input shaft of the double-speed reduction motor 108, the output shaft of the double-speed reduction motor 108 is in transmission connection with an electromagnetic clutch 114, power can be transmitted to a driving wheel 117 through the motor 108 by arranging a power assembly 115 and matching the motor 108 and the double-output speed reducer, the detector is assisted to advance, so that the phenomenon that the advancing speed of the detector is too slow or the detector is blocked in a pipeline due to insufficient fluid flow in the pipeline is avoided, when the fluid flow in the pipeline is sufficient and the auxiliary power is not needed, the electromagnetic clutch 114 can cut off the power between the motor 108 and the driving wheel 117, the phenomenon that the motor 108 is driven to rotate when the driving wheel 117 rotates, open electromagnetic clutch 114, can the driving motor 108 rotate when making drive wheel 117 rotate, bring extra resistance, and can export certain electric energy through the rotation of motor 108 to charge for the battery through main control board 209, thereby improve the duration of a journey of detector, heat conduction ring 110 has been cup jointed on the surface of motor 108, the outer wall of heat conduction ring 110 and the inner wall laminating of dabber 101, the outer wall of dabber 101 is provided with heat dissipation fin 113 with heat conduction ring 110 department of correspondence, the first end tip of dabber 101 is through bolt fixedly connected with anticollision head 105, the second end of dabber 101 is through bolt fixedly connected with connecting seat 107.
As shown in fig. 3-5, the detection section includes a back iron cylinder 201, two ends of the back iron cylinder 201 are both fixedly connected with a sealing end cover 202 through bolts, the side walls of the two sealing end covers 202 are also fixedly connected with a connecting seat 107, the inner wall of the back iron cylinder 201 is sleeved with an electronic bin 207, an electric bracket 208 is arranged inside the electronic bin 207, a main control board 209 is arranged at the top of the electric bracket 208, a hard disk is arranged at the bottom of the electric bracket 208, the main control board 209 is electrically connected with the hard disk through a conducting wire, magnetic pole shoes 203 are fixedly connected at two ends of the side wall of the back iron cylinder 201 along the circumferential direction thereof, a magnetic block 204 is fixedly connected inside the magnetic pole shoes 203, a steel brush board 205 is fixedly connected at the top of the magnetic block 204, a steel brush is fixedly connected at the top of the steel brush board 205, a first probe floating frame 210 and a data collection box 206 are respectively arranged at the middle part of, a detection probe module 216 is arranged at the bottom of the first floating probe frame 210; the first floating probe frame 210 comprises a floating ring 211, three or more than three waist-shaped holes are uniformly formed in the side wall of the floating ring 211 along the circumferential direction of the side wall, swing bolts 212 penetrate through the waist-shaped holes, the bottom end of each swing bolt 212 is fixedly connected with the side wall of the back iron cylinder 201, a fixed tension spring 213 is fixedly connected between any two swing bolts 212, the side face of each fixed tension spring 213 is lapped on the side wall of the floating ring 211, the side wall of the floating ring 211 is fixedly connected with an elastic plate 214 and a spring piece 217, the top end of each elastic plate 214 is hinged with a movable plate 215, the bottom of each movable plate 215 is fixedly connected with the top of the detection probe module 216, and the top end of each spring piece 217 is fixedly connected with the bottom of the corresponding movable plate; the connecting seat 107 at the first end of the back iron cylinder 201 and the connecting seat 107 at the second end of the mandrel 101 of the driving node assembly 1 are respectively hinged with the first pin holes 503 of the coupling seats 502 at the two ends of the coupling assembly 5 through pin shafts.
As shown in fig. 6, the IO/DO detection joint assembly 3 includes a cylinder 300, two ends of the cylinder 300 are respectively and fixedly connected with a first draft tube 301 and a second draft tube 302, the first draft tube 301 and the second draft tube 302 have the same structure, ends of the first draft tube 301 and the second draft tube 302 are both and fixedly connected with a third leather cup 303 and a connecting seat 107, a main battery pack 306 is arranged at a second end of an inner wall of the cylinder 300, a second floating probe holder 304 is arranged on a side wall of the cylinder 300, the second floating probe holder 304 has the same structure as the first floating probe holder 210 of the detection joint assembly 2, an IO/DO probe module 305 is arranged at a bottom of a movable plate 215 of the second floating probe holder 304, by arranging the detection joint assembly 2, circumferential detection can be performed on a pipe wall, the detection efficiency is high, the first floating probe holder 210 can drive the detection probe module 216 to perform radial movement relative to a back iron cylinder, the fitting performance of the detection probe module 216 and the inner wall of the pipeline is improved, the spring piece 217 can provide extra elastic support, the detection probe is promoted to be fitted to the pipe wall, the detection accuracy is improved, the IO/DO probe module 305 of the IO/DO detection joint assembly 3 is matched, the defect that the defect of the pipeline is the defect of the inner wall or the outer wall of the pipeline can be distinguished, the auxiliary distinguishing is carried out, and the later-stage pipeline processing is facilitated manually carried out; the connecting seat 107 at the first end of the barrel 300 and the connecting seat 107 at the second end of the detection joint assembly 2 are respectively hinged with the first pin holes 503 of the coupling seats 502 at the two ends of the other coupling assembly 5 through pin shafts, as shown in fig. 7-8, the mileage wheel assembly 4 comprises a mileage wheel seat 401, the second end of the mileage wheel seat 401 is hinged with a connecting frame 402, the other end of the connecting frame 402 is hinged with a mileage wheel swing arm 403, the two ends of the mileage wheel swing arm 403 are both provided with mileage wheels 404, the side surface of the mileage wheel 404 is provided with a mileage code disc 405, the top of the mileage wheel swing arm 403 is provided with a detection sensor corresponding to the mileage code disc 405, the top of the mileage wheel swing arm 403 is fixedly connected with a mileage wheel tension spring 404, and the other end of the mileage wheel tension spring 404 is fixedly connected with the; the first end of the odometer wheel seat 401 is hinged to the connecting seat 107 at the second end of the IO/DO detection joint assembly 3 through a pin shaft, the first spare battery pack 111 and the second spare battery pack 112 of the driving joint assembly 1 and the main battery pack 306 of the IO/DO detection joint assembly 3 are both electrically connected with the main control board 209 through wires, the detection probe module 216 of the detection joint assembly 2 and the IO/DO probe module 305 of the IO/DO detection joint assembly 3 are both electrically connected with the data acquisition box 206 through wires, the data acquisition box 206 is electrically connected with the main control board 209, and the main control board 209 is electrically connected with the motor 108 and the electromagnetic clutch 114 through wires.
As shown in fig. 9, the bracket set includes a bearing frame 6, a trapezoidal groove is formed at the top of the bearing frame 6, a tray 7 is fixedly connected in the trapezoidal groove, both ends of the bottom of the bearing frame 6 are fixedly connected with supporting plates 9, a bottom plate 11 is arranged at the lower part of the supporting plates 9, a scissor type crane 10 is hinged between the bottom plate 11 and the supporting plates 9, both ends of the bottom of the bearing frame 6 are provided with chain wheels 13, the surface of the two chain wheels 13 is in transmission connection with a chain 14, the surface of the chain 14 is provided with a push block 15, the bottom of the bearing frame 6 is provided with a hydraulic station 12, the hydraulic output end of the hydraulic station 12 is communicated with the hydraulic power input end of the scissor type crane 10, both sides of the top of the bearing frame 6 are fixedly connected with handles 8, both sides of the bottom plate 11 are provided with rolling wheels 16, and, the cooperation gyro wheel 16 can be convenient for transport, through the formula crane 10 of cutting that cuts that sets up hydraulic power, the height of adjustment bracket that can be convenient is convenient for put into the not pipeline of co-altitude with the detector, through setting up sprocket 13, can be when sprocket 13 rotates, and drive chain 14 and ejector pad 15 advance, promote the detector and advance, are convenient for advance the detector.
The working process is as follows: when the device is used, the height of the bracket is adjusted to enable the detector to be aligned with the pipe orifice, the external power drives the chain wheel 13 to rotate, the chain 14 drives the push block 15 to advance, the push block 15 pushes the detector to advance, and therefore the detector is assisted to enter a pipeline;
after the detector enters the pipeline, liquid in the pipeline pushes a third leather cup 303 of the IO/DO detection joint assembly 3, meanwhile, the fluid flows forwards from through holes in the side walls of the first guide cylinder 301 and the second guide cylinder 302, and pushes a first leather cup 102 and a second leather cup 106 of the driving joint assembly 1, so that the whole detector advances; when the detector advances, the magnetic blocks 204 magnetize the pipe wall through the steel brush, the first floating probe holder 210 in the middle of the two groups of magnetic blocks 204 pushes the detection probe module 216 to fit the pipe wall and detect the magnetic lines, when the pipe wall is defective, the magnetic lines are distorted to generate a leakage magnetic field, the detection probe module 216 detects the magnetic field and obtains a leakage magnetic signal, and transmits the signal to the main control board 209, the main control board 209 stores the data to the hard disk, the IO/DO probe module 305 of the IO/DO detection node assembly 3 fits the pipe wall under the pushing of the second floating probe holder 304, the IO/DO probe module 305 magnetizes the inner wall of the pipe through a weak local magnetic field to form a local small magnetic field, when the inner wall of the pipe is defective, the small magnetic field is disturbed, the IO/DO probe module 305 can detect, because the local small magnetic field is weak, the magnetic field of the outer wall of, matching with the detection data of the detection section assembly 3 to further judge the defects inside or outside the pipeline; when the flow in the pipeline is small, the motor 108 can be started, the electromagnetic clutch 114 works at the same time, the motor 108 outputs power to the double-output speed reducer 109, the double-output speed reducer 109 transmits the power to the electromagnetic clutch 114 and then transmits the power to the telescopic universal transmission shaft 119, the telescopic universal transmission shaft 119 drives the driving wheel 117 to rotate through the driving angle transmission box 118, and the driving wheel 117 is attached to the inner wall of the pipeline to assist the detector to move forwards; when the flow in the pipeline is sufficient and auxiliary power is not needed, the motor 108 is turned off and the electromagnetic clutch 114 is turned off, at the moment, the driving wheel 117 rotates and cannot drive the double-output speed reducer 109 and the motor 108 to rotate, the resistance is small, and the detector can conveniently advance; when the flow of fluid in the pipeline is too large, which causes the advancing speed of the detector to be too high, the electromagnetic clutch 114 is opened, so that the power generated after the rotation of the driving wheel 117 is transmitted to the double-output reduction gearbox and drives the motor 108 to rotate, the motor 108 generates electricity after rotating, electric energy is input into the battery pack through the main control board 209, and the motor 108 generates electricity with a certain resistance, which can bring a certain resistance to the advancing of the detector, and perform a certain speed reduction.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.
Claims (9)
1. Three-dimensional magnetic flux leakage imaging detector in multisection combination formula pipeline, including drive festival subassembly (1), detection festival subassembly (2), IO/DO detection festival subassembly (3) and mileage wheel subassembly (4) that connect gradually along detector advancing direction, its characterized in that, the second end of drive festival subassembly (1) and the second end of detecting festival subassembly (2) all articulate there is shaft coupling subassembly (5), the second end of drive festival subassembly (1) is articulated through shaft coupling subassembly (5) and the first end of detecting festival subassembly (2), the second end of detecting festival subassembly (2) is articulated through shaft coupling subassembly (5) and the first end of IO/DO detection festival subassembly (3), the second end of IO/DO detection festival subassembly (3) is articulated with the first end of mileage wheel subassembly (4).
2. The three-dimensional flux leakage imaging detector in the multi-joint combined pipeline of claim 1, wherein the coupling assembly (5) comprises a coupling rod (501) and two coupling seats (502), a first pin hole (503) is formed in the top of one end of each coupling seat (502), a second pin hole (504) is formed in the side face of the other end of each coupling seat (502), the first pin hole (503) and the second pin hole (504) are perpendicular to each other, and a pin shaft penetrates through each second pin hole (504) of each coupling seat (502) and is hinged to two ends of the coupling rod (501) through the pin shaft.
3. The three-dimensional magnetic flux leakage imaging detector in the multi-joint combined pipeline of claim 1, wherein the driving joint assembly (1) comprises a mandrel (101), a first end surface of the mandrel (101) is sleeved with two first leather cups (102) and a driving baffle (103), the driving baffle (103) is located between the two first leather cups (102), the two first leather cups (102) and the driving baffle (103) are fixedly connected with a side surface of the mandrel (101) through bolts, a second end surface of the mandrel (101) is sleeved with two second leather cups (106) and another driving baffle (103), the other driving baffle (103) is located between the two second leather cups (106), the two second leather cups (106) and the other driving baffle (103) are fixedly connected with a side surface of the mandrel (101) through bolts, a power assembly (115) is arranged in the middle of the surface of the mandrel (101), a first standby battery pack (111) and a second standby battery pack (112) are respectively arranged at two ends of the inner wall of the mandrel (101), the middle part of the inner wall of the mandrel (101) is respectively and fixedly connected with a motor (108) and a double-output speed reducer (109), the output shaft of the motor (108) is in transmission connection with the input shaft of the double-speed reduction motor (108), the output shaft of the double-speed reducing motor (108) is connected with an electromagnetic clutch (114) in a transmission way, the surface of the motor (108) is sleeved with a heat conduction ring (110), the side wall of the heat conduction ring (110) is attached to the inner wall of the mandrel (101), the outer wall of the mandrel (101) is provided with a heat dissipation fin (113) corresponding to the heat conduction ring (110), the first end part of the mandrel (101) is fixedly connected with an anti-collision head (105) through a bolt, the second end of the mandrel (101) is fixedly connected with a connecting seat (107) through a bolt;
the power assembly (115) comprises a hinged seat (104), the hinged seat (104) is sleeved in the middle of the surface of the mandrel (101) and is fixedly connected with the surface of the mandrel (101), one end of the side wall of the hinged seat (104) is hinged with a hinged frame (116), the top end of the hinged frame (116) is provided with a driving wheel (117), the side surface of the top end of the hinged frame (116) is hinged with a spring telescopic cylinder (120), the other end of the spring telescopic cylinder (120) is hinged with the other end of the side wall of the hinge seat (104), an angle transmission box (118) is fixedly connected to the side surface of the hinged frame (116), a power output shaft of the angle transmission box (118) is in transmission connection with a driving wheel (117), the power input shaft of the angle transmission box (118) is connected with a telescopic universal transmission shaft (119) in a transmission way, the other end of the telescopic universal transmission shaft (119) is in transmission connection with the side wall of the penetrating mandrel (101) and the power output end of the electromagnetic clutch (114).
4. The three-dimensional flux leakage imaging detector in the multi-section combined pipeline of claim 1, wherein the detection section comprises a back iron cylinder (201), two ends of the back iron cylinder (201) are fixedly connected with sealing end covers (202) through bolts, the side walls of the two sealing end covers (202) are also fixedly connected with a connecting seat (107), an electronic bin (207) is sleeved on the inner wall of the back iron cylinder (201), an electric bracket (208) is arranged inside the electronic bin (207), a main control board (209) is arranged at the top of the electric bracket (208), a hard disk is arranged at the bottom of the electric bracket (208), the main control board (209) is electrically connected with the hard disk through a conducting wire, two ends of the side wall of the back iron cylinder (201) are fixedly connected with magnetic pole shoes (203) along the circumferential direction thereof, magnetic blocks (204) are fixedly connected in the magnetic pole shoes (203), the top of the magnetic block (204) is fixedly connected with a steel brush plate (205), the top of the steel brush plate (205) is fixedly connected with a steel brush, the middle of the side wall of the back iron cylinder (201) is respectively provided with a first floating probe frame (210) and a data acquisition box (206), and the bottom of the first floating probe frame (210) is provided with a detection probe module (216);
the first floating probe frame (210) comprises a floating ring (211), three or more than three waist-shaped holes are uniformly formed in the side wall of the floating ring (211) along the circumferential direction of the side wall, swing bolts (212) penetrate through the waist-shaped holes, the bottom end of each swing bolt (212) is fixedly connected with the side wall of the back iron cylinder (201), a fixed tension spring (213) is fixedly connected between any two swing bolts (212), the side face of each fixed tension spring (213) is lapped on the side wall of the floating ring (211), the side wall of the floating ring (211) is fixedly connected with an elastic plate (214) and a spring piece (217), the top end of each elastic plate (214) is hinged with a movable plate (215), the bottom of each movable plate (215) is fixedly connected with the top of the detection probe module (216), and the top end of each spring piece (217) is fixedly connected with the bottom of each movable plate (215); the connecting seat (107) at the first end of the back iron cylinder (201) and the connecting seat (107) at the second end of the mandrel (101) of the driving joint component (1) are respectively hinged with the first pin holes (503) of the shaft coupling seats (502) at the two ends of the shaft coupling component (5) through pin shafts.
5. The three-dimensional flux leakage imaging detector in a multi-joint combined pipeline according to claim 1, the IO/DO detection joint assembly (3) comprises a cylinder body (300), two ends of the cylinder body (300) are respectively and fixedly connected with a first guide shell (301) and a second guide shell (302), the first guide shell (301) and the second guide shell (302) have the same structure, the end parts of the first guide shell (301) and the second guide shell (302) are fixedly connected with a third leather cup (303) and a connecting seat (107), a main battery pack (306) is arranged at the second end of the inner wall of the cylinder body (300), a second floating probe frame (304) is arranged on the side wall of the cylinder body (300), the second floating probe frame (304) is the same as the first floating probe frame (210) of the detection joint assembly (2), an IO/DO probe module (305) is arranged at the bottom of the movable plate (215) of the second floating probe frame (304); the connecting seat (107) at the first end of the cylinder (300) and the connecting seat (107) at the second end of the detection joint component (2) are respectively hinged with the first pin holes (503) of the shaft coupling seats (502) at the two ends of the other shaft coupling component (5) through pin shafts.
6. The three-dimensional flux leakage imaging detector in the multi-section combined pipeline according to claim 1, wherein the odometer wheel assembly (4) comprises an odometer wheel seat (401), a connecting frame (402) is hinged to a second end of the odometer wheel seat (401), an odometer wheel swing arm (403) is hinged to the other end of the connecting frame (402), both ends of the odometer wheel swing arm (403) are provided with odometer wheels (404), a odometer code disc (405) is arranged on a side surface of the odometer wheel (404), a detection sensor corresponding to the odometer code disc (405) is arranged at the top of the odometer wheel swing arm (403), an odometer wheel tension spring (404) is fixedly connected to the top of the odometer wheel swing arm (403), and the other end of the odometer wheel tension spring (404) is fixedly connected to the side surface of the connecting frame (402; the first end of mileage wheel seat (401) and connecting seat (107) of IO/DO detection festival subassembly (3) second end are articulated through the round pin axle, first reserve battery group (111) and second reserve battery group (112) of drive festival subassembly (1) and main battery group (306) of IO/DO detection festival subassembly (3) all pass through wire and main control board (209) electric connection, detection probe module (216) and IO/DO of detection festival subassembly (2) detect IO/DO probe module (305) of festival subassembly (3) all pass through wire and data acquisition box (206) electric connection, data acquisition box (206) and main control board (209) electric connection, main control board (209) pass through wire and motor (108) and electromagnetic clutch (114) electric connection.
7. The three-dimensional flux leakage imaging detector in multi-section combined pipeline of claim 1, further comprising a bracket set, wherein the bracket set comprises a bearing frame (6), a trapezoidal groove is formed in the top of the bearing frame (6), a tray (7) is fixedly connected in the trapezoidal groove, supporting plates (9) are fixedly connected to both ends of the bottom of the bearing frame (6), a bottom plate (11) is arranged on the lower portion of each supporting plate (9), a shear type lifting frame (10) is hinged between the bottom plate (11) and the supporting plates (9), chain wheels (13) are arranged at both ends of the bottom of the bearing frame (6), two chain wheels (13) are connected to the surface of each chain wheel (13) in a transmission manner, and a push block (15) is arranged on the surface of each chain (14).
8. The three-dimensional flux leakage imaging detector in the multi-joint combined pipeline of claim 7, wherein a hydraulic station (12) is arranged at the bottom of the bearing frame (6), and a hydraulic output end of the hydraulic station (12) is communicated with a hydraulic power input end of the shear type lifting frame (10).
9. The three-dimensional flux leakage imaging detector in a pipeline of claim 7, wherein the bearing frame (6) is fixedly connected with a handle (8) at both sides of the top, and the bottom plate (11) is provided with rollers (16) at both sides.
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