CN108303458A - A kind of pipeline inspection detection device - Google Patents
A kind of pipeline inspection detection device Download PDFInfo
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- CN108303458A CN108303458A CN201810068979.4A CN201810068979A CN108303458A CN 108303458 A CN108303458 A CN 108303458A CN 201810068979 A CN201810068979 A CN 201810068979A CN 108303458 A CN108303458 A CN 108303458A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
Abstract
The invention discloses a kind of pipeline inspection detection devices, including support beam, support beam upper end is equipped with detection process device, support beam bottom both ends are movably equipped with montant, montant lower end is equipped with arc fixing piece, through-hole is transversely provided on montant, intert between two two through hole and is equipped with cross bar, cross bar upper end centre position is fixedly connected by spring one with support beam bottom centre position, montant side wall bottom end is equipped with idler wheel one, cross bar bottom centre position is equipped with detection probe, detection probe both sides and positioned at cross bar bottom be equipped with idler wheel two, support beam bottom is equipped with sliding slot, it is fixedly connected with montant upper end by retaining mechanism inside sliding slot, montant side is equipped with and the matched pushing mechanism of retaining mechanism.Advantageous effect：By the way that detection process device is arranged so that pipeline inspection detection device can detect the crackle or defect of pipeline components interior, to judge whether pipeline has a damage, and then it is possible to prevente effectively from serious accident generation.
Description
Technical field
The present invention relates to pipe detection fields, it particularly relates to a kind of pipeline inspection detection device.
Background technology
Pipeline is to be used to convey gas, liquid or with solid particle with what pipe, pipe connector and valve etc. were connected into
Fluid device.In general, after the superchargings such as air blower, compressor, pump and boiler, low pressure is flowed to from the high pressure of pipeline for fluid
Pressure or the gravity conveying of fluid itself can also be used in place.Having many uses for pipeline is general, be used primarily in water supply, draining, heat supply,
It gives gas, in long distance delivery oil and natural gas, agricultural irrigation, hydraulic engineering and various commercial plants.In the prior art, work
Journey technical staff's generally use pipe testing apparatus carries out leakage point inspection to pipeline, is only able to detect in this way after having leaked
Pipeline cannot carry out preventive test to pipeline, to be difficult to effectively monitor the real-time status of pipeline, cannot effectively avoid pipe
The possibility that road leaks.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Invention content
For the problems in the relevant technologies, the present invention proposes a kind of pipeline inspection detection device, to overcome existing related skill
Above-mentioned technical problem present in art.
The technical proposal of the invention is realized in this way：
A kind of pipeline inspection detection device, including support beam, detection process device, montant, arc fixing piece, through-hole,
Cross bar, spring one, idler wheel one, detection probe, idler wheel two, sliding slot, retaining mechanism and pushing mechanism, wherein the support beam
Upper end is provided with the detection process device, and support beam bottom both ends are movably set with the montant, the montant
Lower end is provided with the arc fixing piece, and the through-hole is horizontally arranged on the montant, interts between two two through hole and is provided with
The cross bar, cross bar upper end centre position is fixed by the spring one and support beam bottom centre position to be connected
It connects, montant side wall bottom end is provided with the idler wheel one, and cross bar bottom centre position is provided with the detection probe, institute
It states detection probe both sides and the cross bar bottom is provided with the idler wheel two, the support beam bottom is provided with the cunning
Slot is fixedly connected by the retaining mechanism with the montant upper end inside the sliding slot, and the montant side is provided with and institute
State the matched pushing mechanism of retaining mechanism.
Wherein, microprocessor, pumping signal module, keyboard, display module, alarm are provided on the detection process device
Module, memory module, power module, A/D conversion modules, signal processing module and signal receiving module, the microprocessor according to
Secondary and the pumping signal module, the keyboard, the display module, the alarm module, the memory module and the A/D
Conversion module connects, and the A/D conversion modules are connect by the signal processing module with the signal receiving module, the electricity
Source module respectively successively with the microprocessor, the pumping signal module, the keyboard, display module, the alarm module,
The memory module, the A/D conversion modules, the signal processing module and signal receiving module connection, the signal
Receiving module is electrically connected with the detection probe.
Wherein, the retaining mechanism includes rack, sliding block, shaft one, fixture block, fixing axle, spring two, shaft two, activity
Bar and shaft three, both sides are both provided with the rack respectively inside the sliding slot, inside the sliding slot and are located at two teeth
The sliding block is provided between item, the upper end of slide block both sides are respectively equipped with the shaft one, the shaft one and the fixture block
One end connection, also, the other end of the fixture block is matched with the tooth socket of the rack, described in the middle part of the fixture block is equipped with
Shaft two, the shaft two are flexibly connected by the motion bar with the shaft three, are equipped in the middle part of the upper end of slide block described
Fixing axle, the fixing axle are connect by the spring two with the side of the fixture block.
Wherein, the pushing mechanism includes movable plate, adjustable pipe, spring three, pushing frame, transverse slat and catch bar, the work
Movable plate is fixed on the retaining mechanism lower end, and the movable plate lower end is equipped with the transverse slat, and the movable plate side is equipped with described
Adjustable pipe, the activity bottom of the tube are equipped with the spring three, and three upper end of the spring connects one end of the pushing frame, also,
The pushing frame is triangular structure, and the pushing frame is located inside the adjustable pipe on one side, the second end of the pushing frame
Upper end is equipped with the catch bar, and the third end of the pushing frame connects one end of the motion bar by the shaft three.
Further, the cross bar both ends are both provided with limited block respectively.
Further, the spring one and the spring three are compressed spring.
Further, the spring two is extension spring.
Further, the pumping signal module is made of excitatory selection circuit, the excitatory selection circuit include resistance R1,
Resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance
R12, resistance R13, resistance R14, resistance R15, resistance R16, resistance R17, resistance R18, resistance R19, resistance R20, variable resistance
RP1, capacitance C1, capacitance C2, processor U1, diode D1, diode D2, triode Q1 and triode Q2, wherein the resistance
R1, the resistance R2, the resistance R3, the resistance R4, the resistance R5, the resistance R6, the resistance R7 and it is described can
Become resistance RP1 first end be corresponding in turn to on the microprocessor pin X1, pin X2, pin X3, pin X4, draw
Foot X5, pin X6, pin X7 and pin X8 connections, the resistance R1, the resistance R2, the resistance R3, the resistance R4, institute
State the second end of resistance R5, the resistance R6, the resistance R7 and the variable resistance RP1 respectively with the resistance R8 the
One end connects, and the second end of the resistance R8 is connect with the first end of the resistance R9 and resistance R10 respectively, the resistance R9's
Second end is connect with the emitter of the triode Q1, and the second end of the resistance R10 and the collector of the triode Q2 connect
Connect, the collector of the triode Q1 by the resistance R14 respectively with the first end of the resistance R16, the resistance R17
Pin Y4 connections on first end and the processor U1, the second end of the resistance R16 are connect with positive pole, the resistance
The second end of R17 is connect with the pin Y2 in the first end of the resistance R19 and the processor U1 respectively, the resistance R19
Second end be grounded connected with the first end of the capacitance C1 respectively, the second end of the capacitance C1 passes through the resistance R15 points
Do not connect with the anode of the base stage of the triode Q1 and the diode D1, the cathode of the diode D1 respectively with the place
Manage the anode connection of the pin Y5 and the diode D2 on device U1, the cathode of the diode D2 respectively with the resistance R12
First end connected with the base stage of the triode Q2, the emitter of the triode Q2 by the resistance R11 respectively with institute
The first end for stating resistance R13 is connected with the pin Y3 on the processor U1, and the second end connection power supply of the resistance R13 is negative
The second end of pole, the resistance R12 is grounded by the capacitance C2, and the pin Y1 on the processor U1 passes through the resistance
R20 is connect with TOUT interfaces, also, the processor U1 is that piece selects chip CD4051.
Further, the signal processing module includes rectification circuit, filter circuit and amplifying circuit.
Further, the rectification circuit includes input terminal IN1, input terminal IN2, transformer T1, transformer T2, rectifier bridge
QL1, rectifier bridge QL2 and port two on variable resistance RP2, the input terminal IN1 and port three respectively with the transformer T1
Input terminal both ends connect, and the port two and port three on the input terminal IN2 connect with the transformer T2 input terminals both ends respectively
It connects, the port one on the input terminal IN1 is connect with the port four on the input terminal IN2, the port on the input terminal IN2
One ground connection, the output end both ends of the transformer T1 are connect with the port two of the rectifier bridge QL1 and port four respectively, the change
The output end both ends of depressor T2 are connect with the port two of the rectifier bridge QL2 and port four respectively, the port of the rectifier bridge QL1
Three connect with the port one of the rectifier bridge QL2, and the port one of the rectifier bridge QL1 and the port three of the rectifier bridge QL2 are divided
It is not connect with the both ends of the variable resistance RP2.
Further, the filter circuit includes capacitance C3, capacitance C4, resistance R21 and resistance R22, the capacitance C3 in parallel
Between the third end of the variable resistance RP2 and the port one of the rectifier bridge QL2, the capacitance C4 and capacitance C3 is simultaneously
Connection, the both ends of the capacitance C4 are connect with the first end of the first end of the resistance R21 and the resistance R22 respectively.
Further, the amplifying circuit includes diode D3, diode D4, resistance R23, resistance R24, resistance R25, resistance
R26, capacitance C5, capacitance C6 and processor U2, between the second end of the resistance R21 and the second end of the resistance R22 successively
Diode D3 described in the alter-parallel and diode D4, the diode D4 anode respectively with the resistance R23 first
End is connected with the pin P1 on the processor U2, and the cathode of the diode D4 is grounded by the resistance R24, the resistance
The second end of R23 respectively on the processor U2 pin P5 and the A/D conversion modules connect, on the processor U2
The anode of pin P2 and the diode D3 are connect, the pin P3 on the processor U2 respectively with the resistance R25 first
End is connected with the first end of the capacitance C5, and the second end of the resistance R25 connects power cathode, the second end of the capacitance C5
It being grounded, the pin P4 on the processor U2 is connect with the first end of the first end of the resistance R26 and the capacitance C6 respectively,
The second end of the capacitance C6 is grounded, and the second end of the resistance R26 connects positive pole, the pin P6 on the processor U2
Ground connection, the processor U2 are OP07 operational amplifiers.
Further, the A/D conversion modules are made of A/D conversion circuits, the A/D conversion circuits include processor U3,
Processor U4, input terminal IN3, resistance R27, resistance R28, resistance R29, resistance R30, resistance R31, resistance R32, resistance R33, electricity
Hinder R34, capacitance C7, capacitance C8, capacitance C9, on capacitance C10 and variable resistance RP3, the processor U3 pin A1 respectively with institute
The first end for stating resistance R27 is connected with the first end of the resistance R31, the second end ground connection of the resistance R27, the resistance
The second end of R31 is connect with the first end of pin A5 and the variable resistance RP3 on the processor U3 respectively, the processor
The upper pin A2 of U3 respectively with the first end of the resistance R28, the first end of the first end of the resistance R29 and the resistance R30
The second end of connection, the resistance R28 connects positive pole, and the second end of the resistance R29 is connect with the input terminal IN3,
The second end of the resistance R30 is grounded, on the processor U3 pin A3 respectively with the first end of the capacitance C7 and the electricity
The first end connection of R32 is hindered, the second end of the second end ground connection of the capacitance C7, the resistance R32 connects positive pole, described
Pin A6 is grounded on processor U3, on the processor U3 pin A4 respectively with the first end of the resistance R33 and the capacitance
The first end of C8 connects, and the second end of the resistance R33 connects positive pole, the second end ground connection of the capacitance C8, it is described can
Become the second end ground connection of resistance RP3, the sliding end of the variable resistance RP3 passes through in the resistance R34 and the processor U4
Pin B1 connections, the pin B1 on the processor U4 is grounded by the capacitance C9, the pin B2 on the processor U4
It is grounded, the pin B3 on the processor U4 and the capacitance C10 in parallel between the pin B4 on the processor U4, also,
The one end pin B3 ground connection on the processor U4 of the capacitance C10, the close processor U4 of the capacitance C10
On the one end pin B4 connect positive pole, the processor U3 be OP07 operational amplifiers, the processor U4 be AD1110.
Beneficial effects of the present invention are：By support beam, montant, arc fixing piece and cross bar, so that at detection
Reason device can be integrally attached to be detected on pipeline, improve the stability of pipeline inspection detection device, prevent from occurring when work
Testing result deviation caused by displacement；By the way that retaining mechanism and pushing mechanism is arranged, so that pipeline inspection detection device can
To be adjusted according to the diameter of detection pipeline, and then pipeline inspection detection device flexibility is improved, uses simpler convenience；
By the way that detection process device is arranged, so that pipeline inspection detection device can detect the crackle of pipeline components interior or lack
Fall into, to judge whether pipeline has a damage, and then it is possible to prevente effectively from serious accident generation, ensure pipeline inspection detection
The accuracy of device detection, pipeline inspection detection device overall structure is simple, and flexibility is stronger, improves hand labor efficiency, carries
The levels of precision of high detection.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of pipeline inspection detection device according to the ... of the embodiment of the present invention；
Fig. 2 is a kind of functional block diagram of the detection process device of pipeline inspection detection device according to the ... of the embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of the retaining mechanism of pipeline inspection detection device according to the ... of the embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of the pushing mechanism of pipeline inspection detection device according to the ... of the embodiment of the present invention；
Fig. 5 is a kind of schematic diagram of the excitatory selection circuit of pipeline inspection detection device according to the ... of the embodiment of the present invention；
Fig. 6 is a kind of functional block diagram of the signal processing module of pipeline inspection detection device according to the ... of the embodiment of the present invention；
Fig. 7 is a kind of circuit theory of the signal processing module of pipeline inspection detection device according to the ... of the embodiment of the present invention
Figure；
Fig. 8 is a kind of schematic diagram of the A/D conversion circuits of pipeline inspection detection device according to the ... of the embodiment of the present invention.
In figure：
1, support beam；2, detection process device；3, montant；4, arc fixing piece；5, through-hole；6, cross bar；7, spring one；
8, idler wheel one；9, detection probe；10, idler wheel two；11, sliding slot；12, retaining mechanism；13, pushing mechanism；14, limited block；15, micro-
Processor；16, pumping signal module；17, keyboard；18, display module；19, alarm module；20, memory module；21, power supply mould
Block；22, A/D conversion modules；23, signal processing module；24, signal receiving module；25, rack；26, sliding block；27, shaft one；
28, fixture block；29, fixing axle；30, spring two；31, shaft two；32, motion bar；33, shaft three；34, movable plate；35, movable
Pipe；36, spring three；37, pushing frame；38, transverse slat；39, catch bar；40, rectification circuit；41, filter circuit；42, amplifying circuit.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained belong to what the present invention protected
Range.
According to an embodiment of the invention, a kind of pipeline inspection detection device is provided.
As shown in figures 1-8, pipeline inspection detection device according to the ... of the embodiment of the present invention, including support beam 1, detection process
Device 2, montant 3, arc fixing piece 4, through-hole 5, cross bar 6, spring 1, idler wheel 1, detection probe 9, idler wheel 2 10, sliding slot
11, retaining mechanism 12 and pushing mechanism 13, wherein 1 upper end of the support beam is provided with the detection process device 2, described
1 bottom both ends of support beam are movably set with the montant 3, and 3 lower end of the montant is provided with the arc fixing piece 4, institute
It states and is horizontally arranged with the through-hole 5 on montant 3, intert between two two through hole 5 and be provided with the cross bar 6, in 6 upper end of the cross bar
Between position be fixedly connected with 1 bottom centre position of the support beam by the spring 1,3 side wall bottom end of the montant is set
Be equipped with the idler wheel 1,6 bottom centre position of the cross bar is provided with the detection probe 9,9 both sides of the detection probe and
6 bottom of the cross bar is provided with the idler wheel 2 10,1 bottom of the support beam is provided with the sliding slot 11, the cunning
It is fixedly connected with 3 upper end of the montant by the retaining mechanism 12 inside slot 11,3 side of the montant is provided with and the lock
The matched pushing mechanism of tight mechanism 12 13.
Wherein, microprocessor 15, pumping signal module 16, keyboard 17, display mould are provided on the detection process device 2
Block 18, alarm module 19, memory module 20, power module 21, A/D conversion modules 22, signal processing module 23 and signal receive
Module 24, the microprocessor 15 successively with the pumping signal module 16, keyboard 17, the display module 18, described
Alarm module 19, the memory module 20 and the A/D conversion modules 22 connection, the A/D conversion modules 22 pass through the letter
Number processing module 23 is connect with the signal receiving module 24, the power module 21 respectively successively with the microprocessor 15,
The pumping signal module 16, the keyboard 17, display module 18, the alarm module 19, the memory module 20, the A/
D conversion modules 22, the signal processing module 23 and the signal receiving module 24 connect, the signal receiving module 24 and institute
State the electrical connection of detection probe 9.
Wherein, the retaining mechanism 12 includes rack 25, sliding block 26, shaft 1, fixture block 28, fixing axle 29, spring two
30, shaft 2 31, motion bar 32 and shaft 3 33,11 inside both sides of the sliding slot are both provided with the rack 25 respectively, described
Inside sliding slot 11 and it is provided with the sliding block 26 between two racks 25,26 upper end both sides of the sliding block are respectively equipped with
The shaft 1, the shaft 1 are connect with one end of the fixture block 28, also, the other end of the fixture block 28 with it is described
The tooth socket of rack 25 matches, and the middle part of the fixture block 28 is equipped with the shaft 2 31, and the shaft 2 31 passes through the activity
Bar 32 is flexibly connected with the shaft 3 33, and 26 upper center of the sliding block is equipped with the fixing axle 29, and the fixing axle 29 is logical
The spring 2 30 is crossed to connect with the side of the fixture block 28.
Wherein, the pushing mechanism 13 includes movable plate 34, adjustable pipe 35, spring 3 36, pushing frame 37, transverse slat 38 and pushes away
Lever 39, the movable plate 34 are fixed on 12 lower end of the retaining mechanism, and 34 lower end of the movable plate is equipped with the transverse slat 38, institute
It states 34 side of movable plate and is equipped with the adjustable pipe 35,35 bottom of the adjustable pipe is equipped with the spring 3 36, the spring 3 36
Upper end connects one end of the pushing frame 37, also, the pushing frame 37 is triangular structure, one side position of the pushing frame 37
Inside the adjustable pipe 35, the second end upper end of the pushing frame 37 is equipped with the catch bar 39, and the of the pushing frame 37
Three ends connect one end of the motion bar 32 by the shaft 3 33.
In one embodiment, for above-mentioned cross bar 6,6 both ends of the cross bar are both provided with limited block 14 respectively, from
And the relative movement of cross bar 6 is limited, and then improve the stability of pipeline inspection detection device.
In one embodiment, for above-mentioned spring 1 and spring 3 36, the spring 1 and the spring three
36 be compressed spring, so that cross bar 6 is more stablized when being moved along pipeline, and then improves pipeline inspection detection device
Stability.
In one embodiment, for above-mentioned spring 2 30, the spring 2 30 is extension spring, so that lock
What fixture block 28 was more stablized in tight mechanism 12 engages with rack 25, and then improves the stability of retaining mechanism 12.
In one embodiment, for above-mentioned pumping signal module 16, the pumping signal module 16 is by excitatory choosing
Circuit composition is selected, the excitatory selection circuit includes resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance
R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, resistance R16, resistance
R17, resistance R18, resistance R19, resistance R20, variable resistance RP1, capacitance C1, capacitance C2, processor U1, diode D1, two poles
Pipe D2, triode Q1 and triode Q2, wherein the resistance R1, the resistance R2, the resistance R3, the resistance R4, described
Resistance R5, the resistance R6, the resistance R7 and the variable resistance RP1 first end be corresponding in turn to and the microprocessor
Pin X1, pin X2, pin X3, pin X4, pin X5, pin X6, pin X7 on device 30 and pin X8 connections, the resistance
R1, the resistance R2, the resistance R3, the resistance R4, the resistance R5, the resistance R6, the resistance R7 and it is described can
The second end for becoming resistance RP1 is connect with the first end of the resistance R8 respectively, the second end of the resistance R8 respectively with it is described
Resistance R9 is connected with the first end of resistance R10, and the second end of the resistance R9 is connect with the emitter of the triode Q1, described
The second end of resistance R10 is connect with the collector of the triode Q2, and the collector of the triode Q1 passes through the resistance R14
It is connect respectively with the pin Y4 on the first end of the resistance R16, the first end of the resistance R17 and the processor U1, institute
The second end for stating resistance R16 is connect with positive pole, the second end of the resistance R17 first end with the resistance R19 respectively
It is connected with the pin Y2 on the processor U1, the second end of the resistance R19 is grounded respectively and the first end of the capacitance C1
Connection, the second end of the capacitance C1 by the resistance R15 respectively with the base stage of the triode Q1 and the diode D1
Anode connection, the cathode of the diode D1 anode with pin Y5 and the diode D2 on the processor U1 respectively
Connection, the cathode of the diode D2 is connect with the base stage of the first end of the resistance R12 and the triode Q2 respectively, described
The emitter of triode Q2 by the resistance R11 respectively with drawing in the first end of the resistance R13 and the processor U1
The second end of foot Y3 connections, the resistance R13 connects power cathode, and the second end of the resistance R12 is connect by the capacitance C2
Ground, the pin Y1 on the processor U1 are connect by the resistance R20 with TOUT interfaces, also, the processor U1 is piece
Select chip CD4051.
In one embodiment, for above-mentioned signal processing module 23, the signal processing module 23 includes rectification
Circuit 40, filter circuit 41 and amplifying circuit 42.
In one embodiment, for above-mentioned rectification circuit 40, the rectification circuit 40 includes input terminal IN1, defeated
Enter to hold IN2, transformer T1, transformer T2, rectifier bridge QL1, on rectifier bridge QL2 and variable resistance RP2, the input terminal IN1
Port two and port three are connect with the transformer T1 input terminals both ends respectively, the port two on the input terminal IN2 and port
Three connect with the transformer T2 input terminals both ends respectively, on the port one on the input terminal IN1 and the input terminal IN2
Port four connects, and the port one on the input terminal IN2 is grounded, the output end both ends of the transformer T1 respectively with the rectification
The port two of bridge QL1 and port four connect, the output end both ends of the transformer T2 port two with the rectifier bridge QL2 respectively
It is connected with port four, the port three of the rectifier bridge QL1 is connect with the port one of the rectifier bridge QL2, the rectifier bridge QL1's
Port one is connect with the both ends of the variable resistance RP2 respectively with the port three of the rectifier bridge QL2.
In one embodiment, for above-mentioned filter circuit 41, the filter circuit 41 includes capacitance C3, capacitance
C4, resistance R21 and resistance R22, the capacitance C3 are connected in parallel on the third end of the variable resistance RP2 with the rectifier bridge QL2's
Between port one, the capacitance C4 is in parallel with the capacitance C3, the both ends of the capacitance C4 respectively with the resistance R21 first
End is connected with the first end of the resistance R22.
In one embodiment, for above-mentioned amplifying circuit 42, the amplifying circuit 42 includes diode D3, two poles
The of pipe D4, resistance R23, resistance R24, resistance R25, resistance R26, capacitance C5, capacitance C6 and processor U2, the resistance R21
The diode D3 and diode D4 described in alter-parallel successively between two ends and the second end of the resistance R22, two pole
The anode of pipe D4 is connect with the pin P1 in the first end of the resistance R23 and the processor U2 respectively, the diode D4
Cathode be grounded by the resistance R24, the second end of the resistance R23 respectively on the processor U2 pin P5 and institute
The connection of A/D conversion modules 22 is stated, the pin P2 on the processor U2 is connect with the anode of the diode D3, the processor
Pin P3 on U2 is connect with the first end of the first end of the resistance R25 and the capacitance C5 respectively, and the of the resistance R25
Two ends connect power cathode, the second end ground connection of the capacitance C5, the pin P4 on the processor U2 respectively with the resistance
The first end of R26 is connected with the first end of the capacitance C6, the second end ground connection of the capacitance C6, and the second of the resistance R26
End connects positive pole, and the pin P6 ground connection on the processor U2, the processor U2 is OP07 operational amplifiers.
In one embodiment, for above-mentioned A/D conversion modules 22, the A/D conversion modules 22 convert electricity by A/D
Road forms, and the A/D conversion circuits include processor U3, processor U4, input terminal IN3, resistance R27, resistance R28, resistance
R29, resistance R30, resistance R31, resistance R32, resistance R33, resistance R34, capacitance C7, capacitance C8, capacitance C9, capacitance C10 and can
Become on resistance RP3, the processor U3 pin A1 first ends with the first end of the resistance R27 and the resistance R31 respectively
Connection, the second end ground connection of the resistance R27, the second end of the resistance R31 respectively with pin A5 on the processor U3 and
The first end of the variable resistance RP3 connects, on the processor U3 pin A2 respectively with the first end of the resistance R28, institute
It states the first end of resistance R29 and the first end connection of the resistance R30, the second end of the resistance R28 connects positive pole, institute
The second end for stating resistance R29 is connect with the input terminal IN3, the second end ground connection of the resistance R30, is drawn on the processor U3
Foot A3 is connect with the first end of the first end of the capacitance C7 and the resistance R32 respectively, the second end ground connection of the capacitance C7,
The second end of the resistance R32 connects positive pole, and pin A6 is grounded on the processor U3, pin A4 on the processor U3
It is connect respectively with the first end of the first end of the resistance R33 and the capacitance C8, the second end of the resistance R33 connects power supply
Anode, the second end ground connection of the capacitance C8, the second end ground connection of the variable resistance RP3, the sliding of the variable resistance RP3
End is connect by the resistance R34 with the pin B1 on the processor U4, and the pin B1 on the processor U4 passes through described
Capacitance C9 is grounded, the pin B2 ground connection on the processor U4, on the pin B3 and processor U4 on the processor U4
Pin B4 between the in parallel capacitance C10, also, one end pin B3 on the processor U4 of the capacitance C10
One end pin B4 on the processor U4 of ground connection, the capacitance C10 connects positive pole, and the processor U3 is
OP07 operational amplifiers, the processor U4 are AD1110.
In conclusion by means of the present invention above-mentioned technical proposal, by support beam 1, montant 3, arc fixing piece 4 and
Cross bar 6 improves pipeline inspection detection device so that detection process device 2 can be integrally attached to be detected on pipeline
Stability prevents testing result deviation caused by occurring displacement when work；By the way that retaining mechanism 12 and pushing mechanism 13 is arranged, from
And pipeline inspection detection device is adjusted according to the diameter of detection pipeline, and then improve pipeline inspection detection device
Flexibility uses simpler convenience；By the way that detection process device 2 is arranged, so that pipeline inspection detection device can be examined
The crackle or defect of test tube road components interior, to judge whether pipeline has damage, and then it is possible to prevente effectively from considerable safety thing
Therefore generation, ensure pipeline inspection detection device detection accuracy, pipeline inspection detection device overall structure is simple, flexibility
It is relatively strong, hand labor efficiency is improved, the levels of precision of detection is improved.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of pipeline inspection detection device, which is characterized in that including support beam (1), detection process device (2), montant
(3), arc fixing piece (4), through-hole (5), cross bar (6), spring one (7), idler wheel one (8), detection probe (9), idler wheel two (10),
Sliding slot (11), retaining mechanism (12) and pushing mechanism (13), wherein support beam (1) upper end is provided at the detection
Device (2) is managed, support beam (1) the bottom both ends are movably set with the montant (3), montant (3) the lower end setting
There is the arc fixing piece (4), the through-hole (5) is horizontally arranged on the montant (3), interts between two two through hole (5) and sets
It is equipped with the cross bar (6), cross bar (6) the upper end centre position passes through the spring one (7) and the support beam (1) bottom
Centre position is fixedly connected, and montant (3) the side wall bottom end is provided with the idler wheel one (8), cross bar (6) bottom interposition
It installs and is equipped with the detection probe (9), detection probe (9) both sides and the cross bar (6) bottom is provided with the rolling
Two (10) are taken turns, support beam (1) bottom is provided with the sliding slot (11), passes through the locking machine inside the sliding slot (11)
Structure (12) is fixedly connected with the montant (3) upper end, and montant (3) side is provided with to be matched with the retaining mechanism (12)
The pushing mechanism (13)；
Wherein, it is provided with microprocessor (15) on the detection process device (2), pumping signal module (16), keyboard (17), shows
Show module (18), alarm module (19), memory module (20), power module (21), A/D conversion modules (22), signal processing mould
Block (23) and signal receiving module (24), the microprocessor (15) successively with the pumping signal module (16), the keyboard
(17), the display module (18), the alarm module (19), the memory module (20) and the A/D conversion modules (22)
Connection, the A/D conversion modules (22) are connect by the signal processing module (23) with the signal receiving module (24), institute
State power module (21) respectively successively with the microprocessor (15), the pumping signal module (16), the keyboard (17), aobvious
Show module (18), the alarm module (19), the memory module (20), the A/D conversion modules (22), the signal processing
Module (23) and the signal receiving module (24) connection, the signal receiving module (24) are electrically connected with the detection probe (9)
It connects；
Wherein, the retaining mechanism (12) includes rack (25), sliding block (26), shaft one (27), fixture block (28), fixing axle
(29), spring two (30), shaft two (31), motion bar (32) and shaft three (33), the internal both sides difference of the sliding slot (11) are equal
It is provided with the rack (25), the sliding slot (11) is internal and is provided with the sliding block between two racks (25)
(26), sliding block (26) the upper end both sides are respectively equipped with the shaft one (27), the shaft one (27) and the fixture block (28)
One end connection, also, the other end of the fixture block (28) is matched with the tooth socket of the rack (25), the fixture block (28)
Middle part is equipped with the shaft two (31), and the shaft two (31) is connected by the motion bar (32) and the shaft three (33) activity
Connect, sliding block (26) upper center be equipped with the fixing axle (29), the fixing axle (29) by the spring two (30) with
The side of the fixture block (28) connects；
Wherein, the pushing mechanism (13) includes movable plate (34), adjustable pipe (35), spring three (36), pushing frame (37), transverse slat
(38) and catch bar (39), the movable plate (34) are fixed on the retaining mechanism (12) lower end, movable plate (34) lower end
Equipped with the transverse slat (38), movable plate (34) side is equipped with the adjustable pipe (35), and adjustable pipe (35) bottom is equipped with
The spring three (36), the spring three (36) upper end connect one end of the pushing frame (37), also, the pushing frame (37)
For triangular structure, the pushing frame (37) is located inside the adjustable pipe (35) on one side, and the second of the pushing frame (37)
Upper end is held to be equipped with the catch bar (39), the third end of the pushing frame (37) connects the activity by the shaft three (33)
One end of bar (32).
2. a kind of pipeline inspection detection device according to claim 1, which is characterized in that cross bar (6) the both ends difference
It is both provided with limited block (14).
3. a kind of pipeline inspection detection device according to claim 1, which is characterized in that the spring one (7) and described
Spring three (36) is compressed spring.
4. a kind of pipeline inspection detection device according to claim 1, which is characterized in that the spring two (30) is to stretch
Spring.
5. a kind of pipeline inspection detection device according to claim 1, which is characterized in that the pumping signal module (16)
It is made of excitatory selection circuit, the excitatory selection circuit includes resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, electricity
Hinder R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, electricity
Hinder R16, resistance R17, resistance R18, resistance R19, resistance R20, variable resistance RP1, capacitance C1, capacitance C2, processor U1, two poles
Pipe D1, diode D2, triode Q1 and triode Q2, wherein the resistance R1, the resistance R2, the resistance R3, the electricity
Resistance R4, the resistance R5, the resistance R6, the resistance R7 and the variable resistance RP1 first end be corresponding in turn to
Pin X1, pin X2, pin X3, pin X4, pin X5, pin X6, pin X7 and pin X8 on the microprocessor (30)
Connection, the resistance R1, the resistance R2, the resistance R3, the resistance R4, the resistance R5, the resistance R6, the electricity
The second end of the resistance R7 and variable resistance RP1 is connect with the first end of the resistance R8 respectively, and the second of the resistance R8
End is connect with the first end of the resistance R9 and resistance R10 respectively, the hair of the second end of the resistance R9 and the triode Q1
Emitter-base bandgap grading connects, and the second end of the resistance R10 is connect with the collector of the triode Q2, and the collector of the triode Q1 is logical
Cross the resistance R14 respectively on the first end of the resistance R16, the first end of the resistance R17 and the processor U1
Pin Y4 connections, the second end of the resistance R16 are connect with positive pole, the second end of the resistance R17 respectively with the electricity
The first end of resistance R19 is connected with the pin Y2 on the processor U1, and the second end of the resistance R19 is grounded respectively and the electricity
Hold the first end connection of C1, the second end of the capacitance C1 by the resistance R15 respectively with the base stage of the triode Q1 and
The anode connection of the diode D1, the cathode of the diode D1 respectively with the pin Y5 and described two on the processor U1
The anode connection of pole pipe D2, the cathode of the diode D2 respectively with the first end of the resistance R12 and the triode Q2
Base stage connects, the emitter of the triode Q2 by the resistance R11 respectively with the first end of the resistance R13 and the place
The pin Y3 connections on device U1 are managed, the second end of the resistance R13 connects power cathode, and the second end of the resistance R12 passes through
The capacitance C2 is grounded, and the pin Y1 on the processor U1 is connect by the resistance R20 with TOUT interfaces, also, described
Processor U1 is that piece selects chip CD4051.
6. a kind of pipeline inspection detection device according to claim 1, which is characterized in that the signal processing module (23)
Including rectification circuit (40), filter circuit (41) and amplifying circuit (42).
7. a kind of pipeline inspection detection device according to claim 6, which is characterized in that the rectification circuit (40) includes
Input terminal IN1, input terminal IN2, transformer T1, transformer T2, rectifier bridge QL1, rectifier bridge QL2 and variable resistance RP2, it is described defeated
Enter to hold port two on IN1 and port three to be connect respectively with the transformer T1 input terminals both ends, the end on the input terminal IN2
Mouthfuls two and port three connect respectively with the transformer T2 input terminals both ends, the port one on the input terminal IN1 with it is described defeated
Enter and the port four on IN2 is held to connect, the port one on the input terminal IN2 is grounded, the output end both ends point of the transformer T1
Do not connect with the port two of the rectifier bridge QL1 and port four, the output end both ends of the transformer T2 respectively with the rectification
The port two of bridge QL2 and port four connect, and the port three of the rectifier bridge QL1 is connect with the port one of the rectifier bridge QL2, institute
The port one for stating rectifier bridge QL1 is connect with the both ends of the variable resistance RP2 respectively with the port three of the rectifier bridge QL2.
8. a kind of pipeline inspection detection device according to claim 7, which is characterized in that the filter circuit (41) includes
Capacitance C3, capacitance C4, resistance R21 and resistance R22, the capacitance C3 be connected in parallel on the third end of the variable resistance RP2 with it is described
Between the port one of rectifier bridge QL2, the capacitance C4 is in parallel with the capacitance C3, the both ends of the capacitance C4 respectively with the electricity
The first end of resistance R21 is connected with the first end of the resistance R22.
9. a kind of pipeline inspection detection device according to claim 8, which is characterized in that the amplifying circuit (42) includes
Diode D3, diode D4, resistance R23, resistance R24, resistance R25, resistance R26, capacitance C5, capacitance C6 and processor U2, institute
State between the second end of resistance R21 and the second end of the resistance R22 diode D3 and two pole described in alter-parallel successively
The anode of pipe D4, the diode D4 are connect with the pin P1 in the first end of the resistance R23 and the processor U2 respectively,
The cathode of the diode D4 is grounded by the resistance R24, the second end of the resistance R23 respectively on the processor U2
Pin P5 and the A/D conversion modules (22) connection, the anode of pin P2 and the diode D3 on the processor U2
It connecting, the pin P3 on the processor U2 is connect with the first end of the first end of the resistance R25 and the capacitance C5 respectively,
The second end of the resistance R25 connects power cathode, and the second end of the capacitance C5 is grounded, the pin P4 on the processor U2
It is connect respectively with the first end of the first end of the resistance R26 and the capacitance C6, the second end ground connection of the capacitance C6 is described
The second end of resistance R26 connects positive pole, and the pin P6 ground connection on the processor U2, the processor U2 is OP07 operations
Amplifier.
10. a kind of pipeline inspection detection device according to claim 1, which is characterized in that the A/D conversion modules (22)
It is made of A/D conversion circuits, the A/D conversion circuits include processor U3, processor U4, input terminal IN3, resistance R27, resistance
R28, resistance R29, resistance R30, resistance R31, resistance R32, resistance R33, resistance R34, capacitance C7, capacitance C8, capacitance C9, capacitance
On C10 and variable resistance RP3, the processor U3 pin A1 respectively with the first end of the resistance R27 and the resistance R31
First end connects, and the second end ground connection of the resistance R27, the second end of the resistance R31 is drawn on the processor U3 respectively
Foot A5 is connected with the first end of the variable resistance RP3, on the processor U3 pin A2 respectively with the resistance R28 first
The first end connection at end, the first end of the resistance R29 and the resistance R30, the second end connection power supply of the resistance R28 is just
Pole, the second end of the resistance R29 are connect with the input terminal IN3, the second end ground connection of the resistance R30, the processor
The upper pin A3 of U3 are connect with the first end of the first end of the capacitance C7 and the resistance R32 respectively, and the second of the capacitance C7
The second end of end ground connection, the resistance R32 connects positive pole, and pin A6 is grounded on the processor U3, the processor U3
Upper pin A4 is connect with the first end of the first end of the resistance R33 and the capacitance C8 respectively, the second end of the resistance R33
Connect positive pole, the second end ground connection of the capacitance C8, the second end ground connection of the variable resistance RP3, the variable resistance
The sliding end of RP3 is connect by the resistance R34 with the pin B1 on the processor U4, the pin B1 on the processor U4
It is grounded by the capacitance C9, the pin B2 ground connection on the processor U4, the pin B3 on the processor U4 and the place
The capacitance C10 in parallel between pin B4 on reason device U4, also, the drawing on the processor U4 of the capacitance C10
The one end foot B3 is grounded, and one end pin B4 on the processor U4 of the capacitance C10 connects positive pole, the processing
Device U3 is OP07 operational amplifiers, and the processor U4 is AD1110.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810068979.4A CN108303458B (en) | 2018-01-24 | 2018-01-24 | Pipeline detection device that detects a flaw |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810068979.4A CN108303458B (en) | 2018-01-24 | 2018-01-24 | Pipeline detection device that detects a flaw |
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| CN108303458B CN108303458B (en) | 2021-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090957A (en) * | 2021-04-30 | 2021-07-09 | 中国地震局工程力学研究所 | Pipeline outer wall detection device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55114949A (en) * | 1979-02-27 | 1980-09-04 | Kubota Ltd | Flaw detector of tube material |
| US5279160A (en) * | 1990-08-07 | 1994-01-18 | Nukem Gmbh | Array for non-destructive material testing of cylindrical workpieces by means of electrodynamic ultrasonic measurement |
| CN2205556Y (en) * | 1993-08-03 | 1995-08-16 | 曾德文 | Shaft neck and pipe crack detector |
| JP2006313081A (en) * | 2005-05-06 | 2006-11-16 | Chugoku Regional Development Bureau Ministry Of Land Infrastructure & Transport | Flaw detector |
| CN103439415A (en) * | 2013-09-09 | 2013-12-11 | 长沙理工大学 | Electromagnetic ultrasonic automatic detection crawler for exposed pipeline |
| CN106198637A (en) * | 2016-09-18 | 2016-12-07 | 中国石油大学(华东) | A kind of multi-electrode direct imaging for jacket tube defects detection is popped one's head in |
-
2018
- 2018-01-24 CN CN201810068979.4A patent/CN108303458B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55114949A (en) * | 1979-02-27 | 1980-09-04 | Kubota Ltd | Flaw detector of tube material |
| US5279160A (en) * | 1990-08-07 | 1994-01-18 | Nukem Gmbh | Array for non-destructive material testing of cylindrical workpieces by means of electrodynamic ultrasonic measurement |
| CN2205556Y (en) * | 1993-08-03 | 1995-08-16 | 曾德文 | Shaft neck and pipe crack detector |
| JP2006313081A (en) * | 2005-05-06 | 2006-11-16 | Chugoku Regional Development Bureau Ministry Of Land Infrastructure & Transport | Flaw detector |
| CN103439415A (en) * | 2013-09-09 | 2013-12-11 | 长沙理工大学 | Electromagnetic ultrasonic automatic detection crawler for exposed pipeline |
| CN106198637A (en) * | 2016-09-18 | 2016-12-07 | 中国石油大学(华东) | A kind of multi-electrode direct imaging for jacket tube defects detection is popped one's head in |
Non-Patent Citations (2)
| Title |
|---|
| WU JIANBO ET AL.: "The Effect of Motion-Induced Eddy Current on Circumferential Magnetization in MFL Testing for a Steel Pipe", 《IEEE TRANSACTIONS ON MAGNETICS》 * |
| 王太勇 等: "钢管漏磁在线检测技术的研究", 《计量学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113090957A (en) * | 2021-04-30 | 2021-07-09 | 中国地震局工程力学研究所 | Pipeline outer wall detection device |
| CN113090957B (en) * | 2021-04-30 | 2022-11-01 | 中国地震局工程力学研究所 | Pipeline outer wall detection device |
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