CN116223611A

CN116223611A - Auxiliary system for pressure pipeline detection and detection method

Info

Publication number: CN116223611A
Application number: CN202310525844.7A
Authority: CN
Inventors: 赖仕林; 蒋启明; 汪征; 蔡洪琴; 许青松; 范小红; 李炳樯; 阚毅; 李彦璋
Original assignee: Sichuan Jingzhun Inspection And Testing Group Co ltd; Sichuan Jingzhun Special Equipment Inspection Co ltd
Current assignee: Sichuan Jingzhun Inspection And Testing Group Co ltd; Sichuan Jingzhun Special Equipment Inspection Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-06-06
Anticipated expiration: 2043-05-11
Also published as: CN116223611B

Abstract

The invention provides an auxiliary system and a detection method for pressure pipeline detection, which belong to the technical field of pipeline detection, wherein the auxiliary detection method for pressure pipeline detection is realized by the auxiliary system for pressure pipeline detection, and the system comprises the following components: a conveyor belt; the first guide rail device is arranged above the conveying belt; the first telescopic device is arranged on the sliding block of the first guide rail device; the vacuum sucker is arranged at the telescopic end of the first telescopic device; the track of the second guide rail device is spliced with the track of the first guide rail device; the first clamping block is arranged on the sliding block of the second guide rail device; the second clamping block is oppositely arranged on the right side of the first clamping block and is matched with the first clamping block to form a detection position of the pressure pipeline; the second telescopic device is arranged below the detection position; the support plate is arranged at the telescopic end of the second telescopic device. The invention can realize semi-automatic or full-automatic magnetic leakage detection of the pressure pipeline, improves the detection efficiency and reduces the labor cost.

Description

Auxiliary system for pressure pipeline detection and detection method

Technical Field

The invention relates to the technical field of pipeline detection, in particular to an auxiliary system for pressure pipeline detection and a detection method.

Background

Steel pipes are indispensable common materials for petroleum, chemical industry, environmental protection and other enterprises to produce, and work in corrosive medium environments throughout the year. Under the actions of piston effect, bulge effect, temperature effect and spiral bending, the steel pipe bears complex load, and planar sinusoidal bending or spatial spiral bending is generated, so that the steel pipe is often failed. Meanwhile, in the whole production life cycle of the steel pipe, various corrosion can be formed in the steel pipe due to the influence of multiple factors, various damages are inevitably generated in the steel pipe, a light person causes leakage of a pipeline medium, serious economic loss is brought to enterprises, serious environmental protection damage is brought to leakage, serious safety accidents such as fire and explosion are caused by heavy persons, and serious damage is brought to the country and people.

Meanwhile, the best method for enterprises to find out the defects of the pipelines is to repair the pipelines with defects, so that the repaired steel pipes can be used continuously, the production safety of the enterprises can be guaranteed, the production cost can be effectively reduced, the enterprise benefit can be improved, and therefore, the research on the defect detection technology of the old steel pipes is very necessary.

Disclosure of Invention

The invention provides an auxiliary system and an auxiliary detection method for pressure pipeline detection, which are mainly used for auxiliary detection of a pressure pipeline (steel pipe) before installation and use and a pressure pipeline (steel pipe) detached after long-term use; the conveying belt, the first electric magnetic yoke, the second electric magnetic yoke, the first clamp and the second clamp are combined, so that the pressure pipeline is subjected to magnetic flux leakage detection in a semi-automatic or full-automatic mode, the detection efficiency is improved, and the labor cost is reduced.

An aspect of the embodiments of the present specification discloses an auxiliary system for pressure pipe detection, including: the conveying belt is used for conveying the pressure pipeline to be detected; the first guide rail device is arranged above the conveying belt; the first telescopic device is arranged on the sliding block of the first guide rail device; the vacuum sucker is arranged at the telescopic end of the first telescopic device, and the suction end face of the vacuum sucker is parallel to the conveying plane of the conveying belt so as to suck a pressure pipeline on the conveying belt; the track of the second guide rail device is spliced with the track of the first guide rail device; the first clamping block is arranged on the sliding block of the second guide rail device; the first clamping block is provided with a first cavity; the second clamping block is arranged opposite to the first clamping block and positioned on the right side of the first clamping block so as to form a detection position of the pressure pipeline in cooperation with the first clamping block; the second clamping block is provided with a second cavity; the second telescopic device is arranged below the detection position; the support plate is arranged at the telescopic end of the second telescopic device, and the upper end of the support plate is provided with an arc-shaped groove for supporting the pressure pipeline; the detection position consists of a first cavity, a second cavity and a space between the first cavity and the second cavity; a first electric magnetic yoke is arranged on the inner side surface of the first cavity, a first clamp is arranged between the first electric magnetic yoke and the opening of the first cavity, a second electric magnetic yoke is arranged on the inner side surface of the second cavity, a second clamp is arranged between the second electric magnetic yoke and the opening of the second cavity, and a magnetic yoke loop is connected with the first electric magnetic yoke and the second electric magnetic yoke in an external mode together so as to magnetize the pressure pipeline longitudinally by using a magnetic yoke method; the first clamp and the second clamp are connected with a clamp power-on loop in an external connection mode so as to circumferentially magnetize the pressure pipeline by using a clamp power-on method.

In one embodiment disclosed in the present specification, the auxiliary system for pressure pipe detection further includes: a third rail device provided on the front side of the detection position; the third telescopic device is arranged on the sliding block of the third guide rail device; the first installation block is arranged on the telescopic end of the third telescopic device; the second installation block is connected with the first installation block; a fourth rail device provided at the rear side of the detection position; the fourth telescopic device is arranged on the sliding block of the fourth guide rail device; the third installation block is arranged on the telescopic end of the fourth telescopic device; the fourth installation block is connected with the third installation block; the first mounting block, the second mounting block, the third mounting block and the fourth mounting block are respectively positioned on the cross direction of the circumferential surface of the pressure pipeline, the side faces of the first mounting block, the second mounting block, the third mounting block and the fourth mounting block, which face the circumferential surface of the pressure pipeline, are respectively provided with probe mounting positions, and one or more combinations of a magnetic induction probe, an ultrasonic probe and a camera are arranged on the probe mounting positions.

In the embodiment disclosed in the specification, a first installation block is connected with a second installation block through a first connection plate, a first plug is arranged on the side surface, away from the first connection plate, of the first installation block, a second plug is arranged on the side surface, away from the first connection plate, of the second installation block, a third installation block is connected with a fourth installation block through a second connection plate, a first socket is arranged on the side surface, away from the second connection plate, of the third installation block, a third plug is arranged on the side surface, away from the second connection plate, of the fourth installation block, a first electric wire is electrically connected between the first plug and the second plug, a second electric wire is electrically connected between the first socket and the third plug, after the second plug is inserted into the first socket, the first electric wire and the third plug respectively form a coil surrounding a pressure pipeline through the second socket, and the pressure pipeline is longitudinally magnetized through a coil method.

In one embodiment disclosed in the specification, a magnetic induction probe is provided with a first detection circuit; the first detection circuit includes an inductor L1, an inductor L2, an inductor L3, an inductor L4, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a light emitting diode D1, a light emitting diode D2, a light emitting diode D3, a light emitting diode D4, an operational amplifier U1, an operational amplifier U2, an operational amplifier U3, and an operational amplifier U4.

In one embodiment disclosed in the specification, the magnetic induction probe is provided with a second detection circuit; the second detection circuit includes an inductor L5, an inductor L6, an inductor L7, an inductor L8, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a resistor R15, a resistor R16, a resistor R17, a resistor R18, a resistor R19, a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a light emitting diode D5, a light emitting diode D6, a light emitting diode D7, a light emitting diode D8, an op-amp U51, an op-amp U52, an op-amp U53, and an op-amp U54.

In one embodiment disclosed in the present specification, the ultrasonic probe is configured with a third detection circuit; the third detection circuit includes a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, a capacitor C17, a capacitor C18, a capacitor C19, a capacitor C20, a capacitor C21, a capacitor C22, a capacitor C23, a resistor R27, a resistor R28, a resistor R29, a resistor R30, a resistor R31, a resistor R32, a resistor R33, a resistor R34, a resistor R35, a resistor R36, a resistor R37, a resistor R38, a resistor R39, a resistor R40, a resistor R41, a resistor R42, a resistor R43, a resistor R44, a resistor R45, a resistor R46, a crystal oscillator Y1, a connector P1, a microcontroller U6, a level conversion chip U7, an operational amplifier chip U8, a triode Q1, a triode Q2, an ultrasonic transmitter FS1, and an ultrasonic receiver JS1.

In one embodiment disclosed in the specification, a first proximity switch is arranged at the conveying end of the conveying belt and used for detecting whether the pressure pipeline reaches the position right below the vacuum chuck or not; the two ends of the first guide rail device are respectively provided with a first travel switch and a second travel switch, and the first travel switch and the second travel switch are used as a left-right limiting mechanism of the first guide rail device; a second proximity switch is arranged between the first electromagnetic yoke and the first clamp, and the second proximity switch is used for detecting whether the pressure pipeline reaches between clamping blocks of the first clamp; the second electromagnetic yoke is connected with the inner side surface of the second cavity through a spring, a third travel switch is arranged between the second electromagnetic yoke and the inner side surface of the second cavity, and the third travel switch is used for detecting whether the pressure pipeline reaches between clamping blocks of the second clamp and detecting whether two ends of the pressure pipeline are respectively in close contact with the first electromagnetic yoke and the second electromagnetic yoke.

In one embodiment disclosed in the specification, a control circuit is commonly configured by a conveyor belt, a first guide rail device, a first telescopic device, a vacuum chuck, a second guide rail device, a second telescopic device, a first clamp, a second clamp, a third guide rail device, a third telescopic device, a fourth guide rail device and a fourth telescopic device; the control circuit comprises a motor M1, a motor M2, a solenoid valve F1, a solenoid valve ZK1, a motor M3, a solenoid valve F2, a solenoid valve F3, a solenoid valve F4, a motor M4, a solenoid valve F5, a motor M5, a solenoid valve F6, a circuit breaker QF1, a main switch SB1, a scram switch SB2, a inching switch S3, a proximity switch K1, a travel switch K2, a travel switch K3, a proximity switch K4, a travel switch K5, a power supply P1, a power supply P2, a power supply P3, a power supply P4, a power supply P5, a power supply P6, a first relay, a second relay, a third relay, a fourth relay, a fifth relay, a sixth relay, a seventh relay, an eighth relay, a ninth relay, a tenth relay, an eleventh relay, a twelfth relay, a thirteenth relay, a fourteenth relay, a fifteenth relay and a sixteenth relay.

Another aspect of the embodiments of the present specification discloses an auxiliary detection method for pressure pipe detection, which is implemented by the auxiliary system for pressure pipe detection described above; the auxiliary method for detecting the pressure pipeline comprises the following steps:

s1, conveying a pressure pipeline to be detected through a conveying belt;

s2, moving the first telescopic device to the upper part of the conveying belt through the first guide rail device;

s3, driving the vacuum chuck to move downwards to the pressure pipeline through the first telescopic device, and after sucking the pressure pipeline through the vacuum chuck, moving the pressure pipeline to a detection position formed by the first clamping block and the second clamping block through the first guide rail device and the first telescopic device;

s4, driving the supporting plate to move upwards through the second telescopic device so as to support the pressure pipeline;

s5, moving the first clamping block through the second guide rail device, enabling two ends of the pressure pipeline to be in close contact with the first electromagnetic yoke and the second electromagnetic yoke respectively after the pressure pipeline is inserted into the first cavity and the second cavity respectively, and clamping the pressure pipeline through the first clamp and the second clamp;

s6, driving the magnetic induction probe and/or the ultrasonic probe and/or the camera to approach the pressure pipeline through the third telescopic device and the fourth telescopic device;

s7, longitudinally magnetizing the pressure pipeline through the first electromagnetic yoke, the second electromagnetic yoke and the magnetic yoke loop, and detecting magnetic leakage through the magnetic induction probe;

S8, circumferential magnetization is carried out on the pressure pipeline through the first clamp, the second clamp and the clamp power-on loop, and magnetic leakage detection is carried out through the magnetic induction probe;

s9, detecting surface defects of the pressure pipeline through an ultrasonic probe, and acquiring surface images of the pressure pipeline through a camera; and the magnetic induction probe and/or the ultrasonic probe and/or the camera move back and forth along the length direction of the pressure pipeline through the third guide rail device and the fourth guide rail device.

The embodiment of the specification can at least realize the following beneficial effects:

according to the invention, the pressure pipeline is subjected to magnetic flux leakage detection in a semi-automatic or full-automatic manner through the conveyer belt, the vacuum chuck, the first telescopic device, the first guide rail device, the second guide rail device and the second telescopic device, and the first electric magnetic yoke, the second electric magnetic yoke, the first clamp and the second clamp are matched, so that the detection efficiency is improved, and the labor cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an auxiliary system for detecting a pressure pipe according to some embodiments of the present invention.

Figure 2 is a schematic view of a conveyor belt according to some embodiments of the invention.

Fig. 3 is a schematic structural view of a third rail device, a third telescopic device, a fourth rail device, and a fourth telescopic device according to some embodiments of the present invention.

Fig. 4 is a schematic diagram of a first detection circuit according to some embodiments of the invention.

Fig. 5 is a schematic diagram of a second detection circuit according to some embodiments of the invention.

Fig. 6 is a schematic diagram of a third detection circuit according to some embodiments of the invention.

Fig. 7 is a schematic diagram of a portion of a control circuit according to some embodiments of the invention.

Fig. 8 is a schematic circuit diagram of the motors M2, M3, M4, and M5 according to some embodiments of the present invention.

Fig. 9 is a schematic circuit diagram of the solenoid valve F1 according to some embodiments of the invention.

Fig. 10 is a schematic circuit diagram of the solenoid valve ZK1 according to some embodiments of the invention.

Fig. 11 is a schematic circuit diagram of the solenoid valve F2 according to some embodiments of the invention.

Fig. 12 is a schematic circuit diagram of solenoid valve F3 according to some embodiments of the invention.

Fig. 13 is a schematic circuit diagram of solenoid valve F4 according to some embodiments of the invention.

Fig. 14 is a schematic circuit diagram of solenoid valve F5 and solenoid valve F6 according to some embodiments of the invention.

Reference numerals:

1. a conveyor belt; 11. a pressure conduit; 12. a first proximity switch;

2. a first rail arrangement; 21. a first telescopic device; 22. a vacuum chuck; 23. a first travel switch; 24. a second travel switch;

3. a second rail means;

4. a first clamping block; 41. a first cavity; 42. a first electromagnetic yoke; 43. a first clamp; 44. a second proximity switch;

5. a second clamping block; 51. a second cavity; 52. a second electromagnetic yoke; 53. a second clamp; 54. a spring; 55. a third travel switch;

6. detecting a position;

7. a second telescopic device; 71. a support plate;

8. a third rail arrangement; 81. a third telescoping device; 82. a first mounting block; 83. a second mounting block; 84. a first connection plate; 85. a first plug; 86. a second plug; 87. a second socket;

9. a fourth rail device; 91. a fourth telescoping device; 92. a third mounting block; 93. a fourth mounting block; 94. a second connecting plate; 95. a first socket; 96. a third plug;

10. And a probe mounting position.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Furthermore, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, an aspect of the embodiments of the present specification discloses an auxiliary system for pressure pipe detection, including: a conveyor belt 1 for conveying a pressure pipe 11 to be detected; the first guide rail device 2 is arranged above the conveying belt 1; the first telescopic device 21 is arranged on the sliding block of the first guide rail device 2; a vacuum chuck 22 arranged at the telescopic end of the first telescopic device 21 and having a sucking end surface parallel to the conveying plane of the conveying belt 1 so as to suck the pressure pipeline 11 on the conveying belt 1; a second rail device 3, the track of which is spliced with the track of the first rail device 2; the first clamping block 4 is arranged on the sliding block of the second guide rail device 3 (through a right-angle rod); the first clamping block 4 is provided with a first cavity 41; the second clamping block 5 is arranged opposite to the first clamping block 4 and positioned on the right side of the first clamping block 4 so as to form a detection position 6 of the pressure pipeline 11 in cooperation with the first clamping block 4; the second clamping block 5 is provided with a second cavity 51; a second telescopic device 7 arranged below the detection bit 6; a supporting plate 71 provided at the telescopic end of the second telescopic device 7, and having an arc-shaped groove (not shown) provided at the upper end thereof for supporting the pressure pipe 11; wherein, the detection position 6 is composed of a first cavity 41, a second cavity 51 and a space between the first cavity 41 and the second cavity 51; a first electric magnetic yoke 42 is arranged on the inner side surface of the first cavity 41, a first clamp 43 is arranged between the first electric magnetic yoke 42 and the opening of the first cavity 41, a second electric magnetic yoke 52 is arranged on the inner side surface of the second cavity 51, a second clamp 53 is arranged between the second electric magnetic yoke 52 and the opening of the second cavity 51, and a magnetic yoke loop is connected with the first electric magnetic yoke 42 and the second electric magnetic yoke 52 in an external connection mode so as to longitudinally magnetize the pressure pipeline 11 by using a magnetic yoke method; the first clamp 43 and the second clamp 53 are commonly connected with a clamp energizing circuit to circumferentially magnetize the pressure pipe 11 by using a clamp energizing method.

The working process is as follows:

the conveyor belt 1 conveys the pressure pipeline 11 to be detected, the first guide rail device 2 drives the first telescopic device 21 on the sliding block to move to the position above the pressure pipeline 11 on the conveyor belt 1, the first telescopic device 21 drives the vacuum chuck 22 to move downwards, the vacuum chuck 22 sucks the pressure pipeline 11, the first telescopic device 21 is reset, the first guide rail device 2 drives the first telescopic device 21 on the sliding block to move to the position above the detection position 6, the first telescopic device 21 drives the vacuum chuck 22 to move downwards, and the second telescopic device 7 drives the supporting plate 71 to move upwards, so that the arc-shaped groove supports the pressure pipeline 11; the second guide rail device 3 drives the first clamping block 4 to approach the pressure pipeline 11 (right movement is right movement as shown in fig. 1), when one end of the pressure pipeline 11 enters the first cavity 41 to contact with the first electric magnetic yoke 42, the first clamp 43 clamps the pressure pipeline 11, the vacuum chuck 22 releases (releases the pressure pipeline 11), and the first telescopic device 21 resets; the second rail device 3 continues to drive the first clamping block 4 to move (move to the right), so that the other end of the pressure pipeline 11 is pushed into the second cavity 51 to contact with the second electric magnetic yoke 52, and the second clamp 53 clamps the pressure pipeline 11, at this time, the auxiliary work before the detection is completed, that is, the work of the auxiliary system for detecting the pressure pipeline in this embodiment is completed, then the detection work can be completed through the first electric magnetic yoke 42, the second electric magnetic yoke 52, the first clamp 43 and the second clamp 53 in cooperation with corresponding detection equipment, for example, the pressure pipeline 11 is longitudinally magnetized through the first electric magnetic yoke 42, the second electric magnetic yoke 52 and a magnetic yoke loop, and after magnetization, the magnetic leakage detection can be performed through the corresponding magnetic induction probe; and then, the pressure pipeline 11 is magnetized circumferentially by using a clamp energization method through the first clamp 43, the second clamp 53 and the clamp energization circuit, and after magnetization, magnetic leakage detection is carried out by using a corresponding magnetic induction probe.

It should be understood that the driving means of the first clamp 43 and the second clamp 53 may be air cylinders, i.e. the actuation structure of the first clamp 43 and the second clamp 53 corresponds to the actuation structure of the pneumatic clamp; the first telescopic device 21 and the second telescopic device 7 can be air cylinders or hydraulic cylinders or electric telescopic rods; the first guide rail device 2 and the second guide rail device 3 comprise corresponding driving motors, transmission mechanisms, tracks and sliding blocks, the structures and principles of which are all the prior art and are not described herein; the yoke method schemes of the first electric yoke 42, the second electric yoke 52 and the yoke circuit, and the clamp energizing method schemes of the first clamp 43, the second clamp 53 and the clamp energizing circuit are all prior art, and will not be described herein; in order to avoid affecting magnetization and leakage detection, the positions in contact with the first electric yoke 42, the second electric yoke 52, the first clamp 43, and the second clamp 53 may be isolated by an insulating member, or may be: the first clamping block 4 and the second clamping block 5 are made of insulating materials.

In some embodiments, as shown in fig. 2, in order to conveniently fix the pressure pipe 11 on the conveyor belt 1, an arc-shaped placing groove is arranged on the conveyor belt 1, so that the pressure pipe 11 is prevented from shaking during conveying, which is not beneficial to sucking the pressure pipe 11 through the vacuum chuck 22.

In some embodiments, as shown in fig. 3, the auxiliary system for pressure pipe detection further includes: a third rail device 8 provided on the front side (front side shown in fig. 1) of the detection bit 6; the third telescopic device 81 is arranged on the sliding block of the third guide rail device 8; a first mounting block 82 provided on the telescopic end of the third telescopic device 81; a second mounting block 83 connected to the first mounting block 82; a fourth rail device 9 provided on the rear side (rear side shown in fig. 1) of the detection bit 6; a fourth telescopic device 91 provided on the slider of the fourth rail device 9; a third mounting block 92 provided on the telescopic end of the fourth telescopic device 91; a fourth mounting block 93 connected to the third mounting block 92; the first mounting block 82, the second mounting block 83, the third mounting block 92 and the fourth mounting block 93 are respectively located on the cross direction of the circumferential surface of the pressure pipeline 11, the side faces of the first mounting block 82, the second mounting block 83, the third mounting block 92 and the fourth mounting block 93, which face the circumferential surface of the pressure pipeline 11, are respectively provided with a probe mounting position 10, and the probe mounting position 10 is provided with one or a plurality of combinations of a magnetic induction probe, an ultrasonic probe and a camera.

In the embodiment, the magnetic flux leakage detection is performed through the magnetic induction probe; and detecting surface defects through an ultrasonic probe, and collecting surface images through a camera. As shown in fig. 3, the first mounting block 82 is located at the left side of the pressure pipe 11, the second mounting block 83 is located at the upper side of the pressure pipe 11, the third mounting block 92 is located at the right side of the pressure pipe 11, and the first mounting block 82 is located at the lower side of the pressure pipe 11; based on the above embodiment, after the second clamp 53 clamps the pressure pipe 11, the third telescopic device 81 drives the first installation block 82 and the second installation block 83 to move towards the pressure pipe 11, the fourth telescopic device 91 drives the third installation block 92 and the fourth installation block 93 to move towards the pressure pipe 11, after the magnetic induction probe and/or the ultrasonic probe and/or the camera reach the corresponding detection distance, the third guide rail device 8 and the fourth guide rail device 9 can respectively drive the first installation block 82 and the second installation block 83, the third installation block 92 and the fourth installation block 93 to move back and forth along the length direction of the pressure pipe 11, so as to complete corresponding detection, further improve the detection efficiency and reduce the labor cost.

In order to avoid that the first telescopic device 21 and the vacuum chuck 22 obstruct the second mounting block 83, after the vacuum chuck 22 releases the pressure pipeline 11 and the first telescopic device 21 is reset, the first telescopic device 21 and the vacuum chuck 22 can be driven away from the detection position 6 by the first guide rail device 2. Similarly, to avoid the second telescopic device 7 from obstructing the fourth mounting block 93, the second telescopic device 7 is reset after the second clamp 53 clamps the pressure pipe 11.

In some embodiments, the first mounting block 82 is connected to the second mounting block 83 through the first connecting plate 84, a first plug 85 is disposed on a side of the first mounting block 82 away from the first connecting plate 84, a second plug 86 is disposed on a side of the second mounting block 83 away from the first connecting plate 84, the third mounting block 92 is connected to the fourth mounting block 93 through the second connecting plate 94, a first socket 95 is disposed on a side of the third mounting block 92 away from the second connecting plate 94, a third plug 96 is disposed on a side of the fourth mounting block 93 away from the second connecting plate 94, a first wire (not shown in the drawing) is electrically connected between the first plug 85 and the second plug 86, a second wire (not shown in the drawing) is electrically connected between the first socket 95 and the third plug 96, and after the second plug 86 is inserted into the first socket 95, the first plug 85 and the third plug 96 are respectively connected to the ac power supply loop through the second socket 87, the first wire and the second wire form a coil around the pressure pipe 11, so that the pressure pipe 11 is magnetized longitudinally by using the coil method.

In this embodiment, a first electric wire may be laid along the interiors of the first mounting block 82, the first connection plate 84 and the second mounting block 83, a second electric wire may be laid along the interiors of the third mounting block 92, the second connection plate 94 and the fourth mounting block 93, the first electric wire and the second electric wire are connected in series, one end of the series connection is implemented by the second plug 86 and the first socket 95, and the other end of the series connection is implemented by the first plug 85, the ac power circuit and the third plug 96, so as to form a coil surrounding the pressure pipe 11, and further the pressure pipe 11 may be magnetized longitudinally by using a coil method; after magnetization, the corresponding magnetic induction probe can be used for magnetic leakage detection; namely, the embodiment adds a magnetization scheme, and the accuracy and the reliability of detection can be improved by combining the magnetic yoke method and the clamp electrifying method. Similarly, the coil method is a prior art and will not be described here.

In some embodiments, as shown in fig. 4, the magnetic induction probe is configured with a first detection circuit; the first detection circuit includes an inductor L1, an inductor L2, an inductor L3, an inductor L4, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a light emitting diode D1, a light emitting diode D2, a light emitting diode D3, a light emitting diode D4, an operational amplifier U1, an operational amplifier U2, an operational amplifier U3, and an operational amplifier U4.

One end of the inductor L1 is grounded, the other end is connected with one end of the capacitor C2, the other end of the capacitor C2 is connected with one end of the resistor R2, the other end of the resistor R2 is connected with the inverting end of the operational amplifier U1 and one end of the resistor R3, the non-inverting end of the operational amplifier U1 is connected with one end of the resistor R5, one end of the resistor R1, the non-inverting end of the operational amplifier U2, the non-inverting end of the operational amplifier U3, the non-inverting end of the operational amplifier U4 and the grounded capacitor C1, the other end of the resistor R1 is externally connected with a voltage end +5V, the other end of the resistor R5 is connected with one end of the resistor R4 and then grounded, the output end of the operational amplifier U1 is connected with the other end of the resistor R4, the positive electrode of the light emitting diode D1 and the other end of the resistor R3 and then serves as an output end OUT1, and the negative electrode of the light emitting diode D1 is grounded.

One end of the inductor L2 is grounded, the other end of the inductor L2 is connected with one end of the capacitor C3, the other end of the capacitor C3 is connected with one end of the resistor R7, the other end of the resistor R7 is connected with the inverting end of the operational amplifier U2 and one end of the resistor R6, the output end of the operational amplifier U2 is connected with one end of the resistor R8, the anode of the light emitting diode D2 and the other end of the resistor R6 to serve as an output end OUT2, the cathode of the light emitting diode D2 is grounded, and the other end of the resistor R8 is grounded.

One end of the inductor L3 is grounded, the other end of the inductor L3 is connected with one end of the capacitor C5, the other end of the capacitor C5 is connected with one end of the resistor R14, the other end of the resistor R14 is connected with the inverting end of the operational amplifier U3 and one end of the resistor R9, the output end of the operational amplifier U3 is connected with one end of the resistor R12, the anode of the light emitting diode D3 and the other end of the resistor R9 to serve as an output end OUT3, the cathode of the light emitting diode D3 is grounded, and the other end of the resistor R12 is grounded.

One end of the inductor L4 is grounded, the other end of the inductor L4 is connected with one end of the capacitor C4, the other end of the capacitor C4 is connected with one end of the resistor R13, the other end of the resistor R13 is connected with the inverting end of the operational amplifier U4 and one end of the resistor R10, the output end of the operational amplifier U4 is connected with one end of the resistor R11, the anode of the light emitting diode D4 and the other end of the resistor R10 to serve as an output end OUT4, the cathode of the light emitting diode D4 is grounded, and the other end of the resistor R11 is grounded.

In this embodiment, the inductor L1, the inductor L2, the inductor L3 and the inductor L4 form a magnetic induction end of the magnetic induction probe, and after magnetic induction, detection data are transmitted to a signal processing system of the magnetic leakage flaw detection device or a corresponding processor and a computer through the output end OUT1, the output end OUT2, the output end OUT3 and the output end OUT4 respectively. That is, after the detection at the same detection position or detection point, four detection data are generated, and the detection effect can be improved through the four detection data, and meanwhile, the accuracy and the reliability are improved.

In some embodiments, as shown in fig. 5, the magnetic induction probe is configured with a second detection circuit; the second detection circuit includes an inductor L5, an inductor L6, an inductor L7, an inductor L8, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a resistor R15, a resistor R16, a resistor R17, a resistor R18, a resistor R19, a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a light emitting diode D5, a light emitting diode D6, a light emitting diode D7, a light emitting diode D8, an op-amp U51, an op-amp U52, an op-amp U53, and an op-amp U54.

One end of the inductor L5 is grounded, the other end of the inductor L5 is connected with one end of the capacitor C6, the other end of the capacitor C6 is connected with one end of the resistor R15, the other end of the resistor R15 is connected with the inverting end of the operational amplifier U51 and one end of the resistor R16, the same-phase end of the operational amplifier U51 is externally connected with a voltage end 2.5V, the output end of the operational amplifier U51 is grounded with the other end of the resistor R16, the anode of the light emitting diode D5, one end of the resistor R17, the output end of the operational amplifier U52, one end of the resistor R19, the anode of the light emitting diode D6, one end of the resistor R20, the output end of the operational amplifier U53, one end of the resistor R22, the anode of the light emitting diode D7, one end of the resistor R23, the output end of the operational amplifier U54, one end of the resistor R25, the anode of the light emitting diode D8 and one end of the resistor R26 are connected to be used as an output end OUT5, the other end of the resistor R17 is grounded, and the cathode of the light emitting diode D5 is grounded.

One end of the inductor L6 is grounded, the other end of the inductor L6 is connected with one end of the capacitor C7, the other end of the capacitor C7 is connected with one end of the resistor R18, the other end of the resistor R18 is connected with the inverting end of the operational amplifier U52 and the other end of the resistor R19, the same-phase end of the operational amplifier U52 is externally connected with a voltage end 2.5V, the other end of the resistor R20 is grounded, and the cathode of the light emitting diode D6 is grounded.

One end of the inductor L7 is grounded, the other end of the inductor L7 is connected with one end of the capacitor C8, the other end of the capacitor C8 is connected with one end of the resistor R21, the other end of the resistor R21 is connected with the inverting end of the operational amplifier U53 and the other end of the resistor R22, the same-phase end of the operational amplifier U53 is externally connected with a voltage end 2.5V, the other end of the resistor R23 is grounded, and the negative electrode of the light emitting diode D7 is grounded.

One end of the inductor L8 is grounded, the other end of the inductor L8 is connected with one end of the capacitor C9, the other end of the capacitor C9 is connected with one end of the resistor R24, the other end of the resistor R24 is connected with the inverting end of the operational amplifier U54 and the other end of the resistor R25, the same-phase end of the operational amplifier U54 is externally connected with 2.5V of the voltage end, the other end of the resistor R26 is grounded, and the negative electrode of the light emitting diode D8 is grounded.

In this embodiment, the inductor L5, the inductor L6, the inductor L7 and the inductor L8 form a magnetic induction end of the magnetic induction probe, and after magnetic induction, detection data is transmitted to a signal processing system of the magnetic leakage flaw detection device or a corresponding processor and a computer through the output end OUT 5. That is, after the detection of the same detection position or detection point, the average value A5 of four detection data is taken as the final detection data of the detection position or detection point, so that the detection effect can be improved, and meanwhile, the accuracy and the reliability can be improved. Based on the above embodiment, the detection data (assumed that the detection data are A1, A2, A3, and A4) of the inductor L1, the inductor L2, the inductor L3, and the inductor L4 are compared with A5 one by one, if the difference is not within the preset system error range, the corresponding detection data are deleted, and the corresponding detection data and A5 having the difference within the preset system error range are taken as the final detection data of the detection position or the detection point, so that the detection effect can be improved, and meanwhile, the accuracy and the reliability are improved. Assuming that only A1 is not in the preset system error range, deleting A1; the final detection data is the mean of four of A2, A3, A4 and A5.

In some embodiments, as shown in fig. 6, the ultrasonic probe is configured with a third detection circuit; the third detection circuit includes a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, a capacitor C17, a capacitor C18, a capacitor C19, a capacitor C20, a capacitor C21, a capacitor C22, a capacitor C23, a resistor R27, a resistor R28, a resistor R29, a resistor R30, a resistor R31, a resistor R32, a resistor R33, a resistor R34, a resistor R35, a resistor R36, a resistor R37, a resistor R38, a resistor R39, a resistor R40, a resistor R41, a resistor R42, a resistor R43, a resistor R44, a resistor R45, a resistor R46, a crystal oscillator Y1, a connector P1, a microcontroller U6, a level conversion chip U7, an operational amplifier chip U8, a triode Q1, a triode Q2, an ultrasonic transmitter FS1, and an ultrasonic receiver JS1.

Pin 3 of connector P1 is connected with one end of resistance R28 and microcontroller U6's pin 1, connector P1's pin 2 is connected with resistance R27's one end and microcontroller U6's pin 2, resistance R27's the other end and resistance R28's the equal external voltage end +5V of other end, microcontroller U6's pin 5 is connected with crystal oscillator Y1's one end and electric capacity C11's one end, microcontroller U6's pin 6 is connected with crystal oscillator Y1's the other end and electric capacity C12's one end, electric capacity C11's the other end is connected with electric capacity C12's the other end back ground, microcontroller U6's pin 4 is connected with grounded electric capacity C13 the external voltage end +5V.

The pin 12 of the microcontroller U6 is connected with one end of a resistor R46, the other end of the resistor R46 is connected with a base electrode of a triode Q1, an emitter external voltage end +5V of the triode Q1, a collector electrode of the triode Q1 is connected with a pin 16 of a level conversion chip U7, a pin 1 and a pin 3 of the level conversion chip U7 are respectively connected with two ends of a capacitor C20, a pin 4 and a pin 5 of the level conversion chip U7 are respectively connected with two ends of a capacitor C21, a pin 2 of the level conversion chip U7 is connected with a grounded capacitor C22, a pin 6 of the level conversion chip U7 is connected with a grounded capacitor C23, a pin 11 and a pin 10 of the level conversion chip U7 are respectively connected with a pin 14 and a pin 13 of the microcontroller U6 in one-to-one correspondence, and a pin 14 and a pin 7 of the level conversion chip U7 are respectively connected with two ends of an ultrasonic transmitter FS 1.

The pin 10 of the microcontroller U6 is connected with one end of a resistor R29, one end of a resistor R32 and a collector of a triode Q2, an emitter of the triode Q2 is grounded, a base of the triode Q2 is connected with one end of a resistor R31 and a grounded resistor R30, the other end of the resistor R31 is connected with a pin 1 of an operational amplifier chip U8, the other end of the resistor R32 is connected with one end of a resistor R38 and a pin 3 of the operational amplifier chip U8, a pin 9 of the microcontroller U6 is connected with one end of a resistor R33, the other end of the resistor R33 is connected with one end of a resistor R34, one end of a resistor R35, a grounded resistor R36, a grounded resistor R37 and a grounded capacitor R14, the other end of the resistor R34 is connected with a grounded capacitor C15 and then externally connected with a voltage end of +5V, the other end of the resistor R35 is connected with a pin 2 of the operational amplifier chip U8, the other end of the resistor R38 is connected with a resistor R39 and a pin 6 of the operational amplifier chip U8, and the other end of the resistor R39 is connected with one end of the capacitor C16 and a pin 7 of the operational amplifier chip U8.

The other end of the capacitor C16 is connected with one end of the resistor R40, the other end of the resistor R40 is connected with one end of the capacitor C17, one end of the resistor R44 and the pin 8 of the operational amplifier chip U8, the other end of the capacitor C17 is connected with one end of the capacitor C18, one end of the resistor R43 and one end of the resistor R41, the other end of the capacitor C18 is connected with the other end of the resistor R44 and the pin 9 of the operational amplifier chip U8, the other end of the resistor R43 is connected with the pin 10 of the operational amplifier chip U8, the other end of the resistor R41 is connected with one end of the resistor R42 and the pin 14 of the operational amplifier chip U8, the other end of the resistor R42 is connected with one end of the capacitor C19 and the pin 13 of the operational amplifier chip U8, the other end of the capacitor C19 is connected with one end of the resistor R45, the other end of the resistor R45 is connected with one end of the ultrasonic receiver JS1, and the other end of the ultrasonic receiver JS1 is grounded.

In this embodiment, a control program can be written into the microcontroller U6 through the connector P1, the microcontroller U6 controls the level conversion chip U7, a working signal (working voltage and frequency) is provided to the ultrasonic transmitter FS1, the ultrasonic transmitter FS1 transmits an ultrasonic wave to the pressure pipe 11, the ultrasonic wave is reflected by the surface of the pressure pipe 11, the ultrasonic wave is received by the ultrasonic receiver JS1, the signal is amplified by the operational amplifier chip U8, and then transmitted to the microcontroller U6, and then transmitted to the back-end system (processor or computer) by the microcontroller U6, and the back-end system completes data processing and surface defect detection.

In summary, the connection relationships, device models and parameters that are not described may refer to fig. 4, fig. 5 and fig. 6, and the description is not repeated here, and the selection may also be performed according to the actual situation.

In some embodiments, the conveying end of the conveying belt 1 is provided with a first proximity switch 12, and the first proximity switch 12 is used for detecting whether the pressure pipeline 11 reaches the position right below the vacuum chuck 22; the two ends of the first guide rail device 2 are respectively provided with a first travel switch 23 and a second travel switch 24, and the first travel switch 23 and the second travel switch 24 are used as a left-right limiting mechanism of the first guide rail device 2; a second proximity switch 44 is arranged between the first electromagnetic yoke 42 and the first clamp 43, and the second proximity switch 44 is used for detecting whether the pressure pipeline 11 reaches between clamping blocks of the first clamp 43; the second electric yoke 52 is connected with the inner side surface of the second cavity 51 through a spring 54, a third travel switch 55 is arranged between the second electric yoke 52 and the inner side surface of the second cavity 51, and the third travel switch 55 is used for detecting whether the pressure pipeline 11 reaches between clamping blocks of the second clamp 53 or not and detecting whether two ends of the pressure pipeline 11 are respectively in close contact with the first electric yoke 42 and the second electric yoke 52 or not.

In this embodiment, the above arrangement facilitates semi-automated or fully automated detection, as achieved in connection with the embodiments described below.

In some embodiments, the conveyor belt 1, the first rail device 2, the first telescopic device 21, the vacuum chuck 22, the second rail device 3, the second telescopic device 7, the first clamp 43, the second clamp 53, the third rail device 8, the third telescopic device 81, the fourth rail device 9 and the fourth telescopic device 91 are commonly configured with a control circuit; wherein, as shown in figures 7, 8, 9, 10, 11, 12, 13 and 14, the control circuit comprises a motor M1, a motor M2, a solenoid valve F1, a solenoid valve ZK1, a motor M3, a solenoid valve F2, a solenoid valve F3, a solenoid valve F4, a motor M4, a solenoid valve F5, a motor M5, a solenoid valve F6, a circuit breaker QF1, a main switch SB1, a scram switch SB2, a inching switch S3, a proximity switch K1, a travel switch K2, a travel switch K3, a proximity switch K4, a travel switch K5, a power source P1, a power source P2, a power source P3, a power source P4, a power source P5, a power source P6, a first relay, a second relay, a third relay, a fourth relay, a fifth relay, a sixth relay, a seventh relay, an eighth relay, a ninth relay, a tenth relay, an eleventh relay, a twelfth relay, a thirteenth relay, a fourteenth relay, a fifteenth relay, a sixteenth relay, a seventeenth relay, a lamp LED1, a lamp LED2, a lamp LED3, a lamp LED4, an LED lamp 5, an LED lamp 6, an LED lamp 8, an LED lamp 9, an LED lamp 13, an LED lamp 15, an LED lamp 13, an LED lamp 9, an LED lamp 13 and an LED lamp 13.

The breaker QF1 is used for being connected with the live wire L and the zero line N, one end of the main switch SB1 is connected with the live wire L through the breaker QF1, and the other end of the main switch SB1 is connected with one end of the emergency stop switch SB 2; the breaker QF1 is connected with the motor M1 through a normally open contact KM11 of the first relay so as to control the motor M1 to work; the breaker QF1 is connected with the motor M2 through a normally open contact KM21 of the second relay and a normally open contact KM61 of the sixth relay respectively so as to control the motor M2 to rotate forwards and backwards; the breaker QF1 is connected with the motor M3 through a normally open contact KM81 of the eighth relay and a normally open contact KM1401 of the fourteenth relay respectively so as to control the motor M3 to rotate forwards and backwards; the breaker QF1 is connected with the motor M4 through a normally open contact KM1101 of an eleventh relay and a normally open contact KM1201 of a twelfth relay respectively so as to control the motor M4 to rotate forwards and backwards; the breaker QF1 is connected with the motor M5 through a normally open contact KM1102 of the eleventh relay and a normally open contact KM1202 of the twelfth relay, respectively, to control the motor M5 to rotate in forward and reverse directions.

The other end of the emergency stop switch SB2, the inching switch S3, the normally closed contact KM22 of the second relay, the coil KM1 of the first relay and the lamp LED1 are connected in series, and are connected with a zero line N through a breaker QF1 after being connected in series, and the normally open contact KM12 of the first relay and the normally open contact KM1602 of the sixteenth relay are connected in parallel with the inching switch S3; the other end of the emergency stop switch SB2, the proximity switch K1, a normally closed contact KM31 of a third relay, a coil KM2 of a second relay and a lamp LED2 are connected in series, and are connected with a zero line N through a breaker QF1 after being connected in series, a normally open contact KM105 of a tenth relay and a normally closed contact KM1701 of a seventeenth relay are connected in series, one end of the series is connected between the other end of the emergency stop switch SB2 and the proximity switch K1, and the other end of the series is connected between the normally closed contact KM31 and the coil KM 2.

The other end of the emergency stop switch SB2, the travel switch K2, a coil KM3 of the third relay and a lamp LED3 are connected in series, and are connected with a zero line N through a breaker QF1 after being connected in series; the other end of the emergency stop switch SB2, a normally open contact KM32 of the third relay, a coil KM4 of the fourth relay and a lamp LED4 are connected in series, and are connected with a zero line N through a breaker QF1 after being connected in series, and a normally open contact KM43 of the fourth relay is connected in parallel with the normally open contact KM 32; the other end of the emergency stop switch SB2, a normally open contact KM42 of the fourth relay, a coil KM5 of the fifth relay and a lamp LED5 are connected in series, and are connected with a zero line N through a breaker QF1 after being connected in series.

The other end of the emergency stop switch SB2, a normally open contact KM52 of the fifth relay, a normally closed contact KM71 of the seventh relay, a coil KM6 of the sixth relay and a lamp LED6 are connected in series, and are connected with a zero line N through a breaker QF1 after being connected in series; the other end of the emergency stop switch SB2, the travel switch K3, a coil KM7 of a seventh relay and a lamp LED7 are connected in series, and are connected with a zero line N through a breaker QF1 after being connected in series; the other end of the emergency stop switch SB2, a normally open contact KM74 of the seventh relay, a normally closed contact KM101 of the tenth relay, a coil KM8 of the eighth relay and a lamp LED8 are connected in series, and are connected with a zero line N through a breaker QF1 after being connected in series.

The other end of the emergency stop switch SB2, the proximity switch K4, a coil KM9 of a ninth relay and a lamp LED9 are connected in series, and are connected with a zero line N through a breaker QF1 after being connected in series; the other end of the emergency stop switch SB2, the travel switch K5, a coil KM10 of a tenth relay and a lamp LED10 are connected in series, and are connected with a zero line N through a breaker QF1 after being connected in series; the other end of the emergency stop switch SB2, a normally open contact KM104 of a tenth relay, a normally closed contact KM1301 of a thirteenth relay, a coil KM111 of an eleventh relay and a lamp LED11 are connected in series, and are connected with a zero line N through a breaker QF1 after being connected in series; the other end of the emergency stop switch SB2, a normally open contact KM1103 of the eleventh relay, a normally closed contact KM1302 of the thirteenth relay, a coil KM121 of the twelfth relay and a lamp LED12 are connected in series, and are connected with a zero line N through a breaker QF1 after being connected in series.

The other end of the emergency stop switch SB2, a normally open contact KM1104 of an eleventh relay, a coil KM131 of a thirteenth relay and a lamp LED13 are connected in series, and are connected with a zero line N through a breaker QF1 after being connected in series; the other end of the emergency stop switch SB2, a normally open contact KM1305 of a thirteenth relay, a normally closed contact KM1601 of a sixteenth relay, a coil KM141 of a fourteenth relay and a lamp LED14 are connected in series, and are connected with a zero line N through a breaker QF1 after being connected in series, and a normally open contact KM1402 of the fourteenth relay is connected with the normally open contact KM1305 in parallel; the other end of the emergency stop switch SB2, a normally open contact KM1403 of a fourteenth relay, a coil KM151 of the fifteenth relay and a lamp LED15 are connected in series, and are connected with a zero line N through a breaker QF1 after being connected in series; the other end of the emergency stop switch SB2, a normally open contact KM1502 of the fifteenth relay, a normally closed contact KM13 of the first relay, a coil KM161 of the sixteenth relay and a lamp LED16 are connected in series, and are connected with a zero line N through a breaker QF1 after being connected in series; the other end of the emergency stop switch SB2, the normally open contact KM106 of the tenth relay, the coil KM171 of the seventeenth relay and the lamp LED17 are connected in series, and are connected with the zero line N through a breaker QF1 after being connected in series.

The normally open contact KM33 of the third relay, the normally closed contact KM51 of the fifth relay, the electromagnetic valve F1 and the power supply P1 are sequentially connected in series to form a loop, the normally open contact KM72 of the seventh relay is connected in series with the normally closed contact KM93 of the ninth relay, one end of the series is connected between the normally closed contact KM51 and the electromagnetic valve F1, and the other end of the series is connected between the normally open contact KM33 and the power supply P1; the normally open contact KM41 of the fourth relay, the normally closed contact KM92 of the ninth relay, the electromagnetic valve ZK1 and the power supply P2 are sequentially connected in series to form a loop.

The normally open contact KM73 of the seventh relay, the normally closed contact KM107 of the tenth relay, the electromagnetic valve F2 and the power supply P3 are sequentially connected in series to form a loop; the normally open contact KM91 of the ninth relay, the electromagnetic valve F3, the normally closed contact KM1501 of the fifteenth relay and the power supply P4 are sequentially connected in series to form a loop; the normally open contact KM102 of the tenth relay, the electromagnetic valve F4, the normally closed contact KM1304 of the thirteenth relay and the power supply P5 are sequentially connected in series to form a loop; the normally open contact KM103, the electromagnetic valve F5, the electromagnetic valve F6 of the tenth relay, the normally closed contact KM1303 and the power supply P6 of the thirteenth relay are sequentially connected in series to form a loop.

In the present embodiment, the motor M1 is represented as a driving motor of the conveyor belt 1, the motor M2 is represented as a driving motor of the first rail device 2, the solenoid valve F1 is represented as a solenoid valve of the first telescopic device 21, the solenoid valve ZK1 is represented as a solenoid valve of the vacuum chuck 22 (a vacuum solenoid valve of the vacuum system for controlling the operation of the vacuum chuck 22), the motor M3 is represented as a driving motor of the second rail device 3, the solenoid valve F2 is represented as a solenoid valve of the second telescopic device 7, the solenoid valve F3 is represented as a solenoid valve of the first clamp 43 (for controlling the operation of the first clamp 43), the solenoid valve F4 is represented as a solenoid valve of the second clamp 53 (for controlling the operation of the second clamp 53), the motor M4 is represented as a solenoid valve of the third rail device 8, the solenoid valve F5 is represented as a solenoid valve of the third telescopic device 81, the motor M5 is represented as a driving motor of the fourth rail device 9, the solenoid valve F6 is represented as a solenoid valve of the fourth telescopic device 91, the proximity switch K1 is represented as the first proximity switch 12, the travel switch K2 is represented as the first travel switch 23, the travel switch K3 is represented as the second travel switch 24, the proximity switch K4 is represented as the second travel switch 44 is represented as the third travel switch 55.

Note that A, B in fig. 7 and fig. 8 is a connection end point of the motor in forward and reverse directions, and if the positive electrode is connected with a, the negative electrode is connected with B, the motor rotates in forward direction; otherwise, the motor is reversed. The power supply P1, the power supply P2, the power supply P3, the power supply P4, the power supply P5, and the power supply P6 may set the required voltage according to the actual power consumption load.

The working process is as follows:

closing the breaker QF1, depressing the main switch SB1, the circuit enters a ready-to-wait state.

When the inching switch S3 is pressed, the coil KM1 is electrified, the normally open contact KM11 is closed, the motor M1 rotates positively, and the conveying belt 1 starts to convey the pressure pipeline 11 to be detected; the normally open contact KM12 is closed to realize self-locking.

The first proximity switch 12 detects that the pressure pipeline 11 is closed, the proximity switch K1 is closed, the coil KM2 is electrified, the normally open contact KM21 is closed, the motor M2 rotates positively, and the first telescopic device 21 moves rightwards under the drive of the first guide rail device 2; the normally closed contact KM22 is opened, the coil KM1 is powered off, and the conveyer belt 1 is stopped.

When the sliding block of the first guide rail device 2 presses the first travel switch 23, the travel switch K2 is closed, the coil KM3 is powered on, the normally closed contact KM31 is opened, the coil KM2 is powered off, the normally open contact KM21 is opened, the motor M2 stops rotating positively, the first guide rail device 2 stops driving the first telescopic device 21 to move, and at the moment, the vacuum chuck 22 is positioned right above the pressure pipeline 11; the normally open contact KM32 is closed, the coil KM4 is electrified, the fourth relay is an electrified time-delay relay, and the fourth relay starts timing; normally open contact KM33 is closed, solenoid valve F1 is powered, and first telescoping device 21 drives vacuum chuck 22 to move downwards.

The downward movement of the vacuum chuck 22 is completed, and the timing of the fourth relay is finished, namely the timing time is the downward movement time of the vacuum chuck 22; normally open contact KM41 is closed, electromagnetic valve ZK1 is electrified, and vacuum chuck 22 sucks pressure pipeline 11; the normally open contact KM42 is closed, the coil KM5 is electrified, the fifth relay is an electrified time-delay relay, and the fifth relay starts timing; the normally open contact KM43 is closed and self-locked.

The vacuum chuck 22 suctions the pressure pipeline 11, and the fifth relay finishes timing, namely the timing time is the time for the vacuum chuck 22 to suck the pressure pipeline 11; the normally closed contact KM51 is disconnected, the electromagnetic valve F1 is powered off, and the first telescopic device is reset to drive the vacuum chuck 22 and the pressure pipeline 11 to move upwards; normally open contact KM52 is closed, coil KM6 is electrified, the sixth relay is an electrified time delay relay, and the sixth relay starts timing.

The reset of the first telescopic device is completed, and the timing of the sixth relay is finished, namely the timing time is the reset time of the first telescopic device; normally open contact KM61 is closed, motor M2 is reversed, and first telescopic device 21 is driven by first rail device 2 to move left.

When the sliding block of the first guide rail device 2 presses the second travel switch 24, the travel switch K3 is closed, the coil KM7 is electrified, the normally closed contact KM71 is disconnected, the motor M2 stops reversing, the first guide rail device 2 stops driving the first telescopic device 21 to move, and at the moment, the pressure pipeline 11 is right above the detection position 6; the normally open contact KM72 is closed, the electromagnetic valve F1 is electrified, and the first telescopic device 21 drives the vacuum chuck 22 and the pressure pipeline 11 to move downwards; the normally open contact KM73 is closed, the electromagnetic valve F2 is electrified, and the second telescopic device 7 drives the supporting plate 71 to move upwards; normally open contact KM74 is closed, coil KM8 is electrified, the eighth relay is an electrified time delay relay, and the eighth relay starts timing.

When the vacuum chuck 22 and the pressure pipeline 11 move downwards and the supporting plate 71 moves upwards to support the pressure pipeline 11, the eighth relay finishes timing, namely the timing time is the time for the supporting plate 71 to move upwards to support the pressure pipeline 11; the normally open contact KM81 is closed, the motor M3 rotates positively, and the second guide rail device 3 drives the first clamping block 4 to move rightwards.

When the pressure pipeline 11 enters the first cavity 41, the pressure pipeline 11 is in contact with the first electric magnetic yoke 42, when the second proximity switch 44 detects the pressure pipeline 11, the proximity switch K4 is closed, the coil KM9 is electrified, the normally open contact KM91 is closed, the electromagnetic valve F3 is electrified, and the first clamp 43 clamps the pressure pipeline 11; normally closed contact KM92 is disconnected, electromagnetic valve ZK1 is powered off, vacuum chuck 22 is released, and pressure pipeline 11 is loosened; the normally closed contact KM93 is disconnected, the electromagnetic valve F1 is powered off, the first telescopic device 21 is reset, and the vacuum chuck 22 is driven to move upwards.

The first clamping block 4 and the pressure pipeline 11 continue to move rightwards under the drive of the second guide rail device 3, when the pressure pipeline 11 enters the second cavity 51, the pressure pipeline 11 extrudes the second electric magnetic yoke 52 and the spring 54, so that the second electric magnetic yoke 52 extrudes the third travel switch 55, the travel switch K5 is closed, the coil KM10 is powered on, the normally closed contact KM101 is disconnected, the coil KM8 is powered off, the normally open contact KM81 is disconnected, the motor M3 stops rotating rightwards, and the second guide rail device 3 stops driving the first clamping block 4 to move rightwards; normally open contact KM102 is closed, electromagnetic valve F4 is electrified, and second clamp 53 clamps pressure pipeline 11; normally open contact KM103 is closed, electromagnetic valve F5 and electromagnetic valve F6 are powered, third telescopic device 81 drives first mounting block 82 and second mounting block 83 to move towards pressure pipeline 11, and fourth telescopic device 91 drives third mounting block 92 and fourth mounting block 93 to move towards pressure pipeline 11; the normally open contact KM104 is closed, the coil KM111 is electrified, the eleventh relay is an electrified time-delay relay, and the eleventh relay starts timing; the normally open contact KM105 is closed, the coil KM2 is electrified, the normally open contact KM21 is closed, the motor M2 rotates positively, and the first guide rail device 2 drives the first telescopic device 21 and the vacuum chuck 22 to be far away from the detection position 6; normally open contact KM106 is closed, coil KM171 gets electricity, seventeenth relay is the circular telegram time delay relay, seventeenth relay begins the timing. Normally open contact KM107 is closed, solenoid valve F2 loses power, second telescoping device 7 resets, backup pad 71 moves down, avoids second telescoping device 7 to hinder fourth installation piece 93.

When the first telescopic device 21 and the vacuum chuck 22 move to a position where the second mounting block 83 is not blocked, the seventeenth relay finishes timing, the normally closed contact KM1701 is disconnected, the coil KM2 is powered off, the normally open contact KM21 is disconnected, and the motor M2 stops rotating positively.

When the second plug 86 is inserted into the first socket 95, the first plug 85 and the third plug 96 are respectively inserted into the second socket 87, so that the first electric wire and the second electric wire are connected with the ac power supply loop through the second socket 87, and after magnetization is completed, the eleventh relay finishes timing, namely the timing time is the time when magnetization is completed; if the first electrical yoke 42, the second electrical yoke 52 and the yoke loop are used, the timing time is the time when the yoke magnetization is completed; if the first clamp 43, the second clamp 53 and the clamp energizing circuit are adopted, the timing time is the time when the clamp energizing magnetization is completed; if the scheme of the first electric wire, the second electric wire and the alternating current power supply loop is adopted, the timing time is the time for completing the magnetization of the coil; the normally open contact KM1101 is closed, the motor M4 rotates positively, the normally open contact KM1102 is closed, the motor M5 rotates positively, and the third guide rail device 8 and the fourth guide rail device 9 indirectly drive the magnetic induction probes and/or the ultrasonic probes and/or the cameras on the first mounting block 82, the second mounting block 83, the third mounting block 92 and the fourth mounting block 93 together and move along the length direction of the pressure pipeline 11; the normally open contact KM1103 is closed, the coil KM121 is electrified, the twelfth relay is an electrified time-delay relay, and the twelfth relay starts timing; the normally open contact KM1104 is closed, the coil KM131 is electrified, the thirteenth relay is an electrified time-delay relay, and the thirteenth relay starts timing.

When the forward rotation of the motor M4 and the motor M5 is completed, that is, the first mounting block 82, the second mounting block 83, the third mounting block 92 and the fourth mounting block 93 are moved to the one end portion of the pressure pipe 11, the twelfth relay timing is ended, that is, the timing time is the forward rotation time of the motor M4 and the motor M5, or the time when the first mounting block 82, the second mounting block 83, the third mounting block 92 and the fourth mounting block 93 are moved to the one end portion of the pressure pipe 11; normally closed contact KM1203 is disconnected, coil KM111 is deenergized, normally open contact KM1101 is disconnected, motor M4 stops rotating positively, normally open contact KM1102 is disconnected, and motor M5 stops rotating positively; normally open contact KM1201 is closed, motor M4 is reversed, normally open contact KM1202 is closed, and motor M5 is reversed; the normally open contact KM1204 is closed and self-locked.

When the inversion of the motor M4 and the motor M5 is completed, that is, the first mounting block 82, the second mounting block 83, the third mounting block 92, and the fourth mounting block 93 are moved to the other end portion of the pressure pipe 11, the thirteenth relay timing is ended, that is, the timing time is the inversion time of the motor M4 and the motor M5, or the time when the first mounting block 82, the second mounting block 83, the third mounting block 92, and the fourth mounting block 93 are moved to the other end portion of the pressure pipe 11; normally closed contact KM1302 is opened, coil KM121 is deenergized, normally open contact KM1201 is opened, motor M4 stops reversing, normally open contact KM1202 is opened, and motor M5 stops reversing; the normally closed contact KM1301 is disconnected, and the coil KM111 is kept in power failure; normally closed contact KM1303 is disconnected, electromagnetic valve F5 and electromagnetic valve F6 are powered off, third telescopic device 81 and fourth telescopic device 91 are reset, third telescopic device 81 drives first installation block 82 and second installation block 83 to be far away from pressure pipeline 11, and fourth telescopic device 91 drives third installation block 92 and fourth installation block 93 to be far away from pressure pipeline 11; the normally-closed contact KM1304 is disconnected, the electromagnetic valve F4 is powered off, and the second clamp 53 releases the pressure pipeline 11; normally open contact KM1305 is closed, and coil KM141 is electrified; normally open contact KM1306 closes the self-lock.

Normally open contact KM1401 is closed, motor M3 is reversed, and second guide rail device 3 drives first clamping block 4 and pressure pipeline 11 to be far away from second clamping block 5; the normally open contact KM1402 is closed and self-locked; normally open contact KM1403 is closed, coil KM151 is electrified, the fifteenth relay is an electrified time-delay relay, and the fifteenth relay starts timing.

When the pressure pipeline 11 is far away from the second clamping block 5 (at least separated from the second cavity 51), the fifteenth relay finishes timing, the normally open contact KM1503 is closed, the electromagnetic valve F2 is electrified, and the second telescopic device 7 drives the supporting plate 71 to move upwards to support the pressure pipeline 11; normally closed contact KM1501 is disconnected, solenoid valve F3 is deenergized, and first clamp 43 releases pressure pipeline 11; normally open contact KM1502 is closed, coil KM161 is electrified, the sixteenth relay is an electrified time-delay relay, and the sixteenth relay starts timing.

When the first clamping block 4 is far away from the pressure pipeline 11 (at least after the pressure pipeline 11 is separated from the first cavity 41), the sixteenth relay finishes timing, the normally closed contact KM1601 is disconnected, the coil KM141 is deenergized, the normally open contact KM1401 is disconnected, and the motor M3 stops reversing; the normally-closed contact KM1603 is disconnected, the electromagnetic valve F2 is powered off, and the second telescopic device 7 drives the supporting plate 71 to move downwards; normally open contact KM1602 is closed, coil M1 is powered on, normally closed contact KM13 is opened, coil KM161 is powered off, and the next working cycle is entered.

It should be noted that, after the first clamping block 4 is far away from the pressure pipe 11, when the supporting plate 71 moves down, there will be corresponding discharging devices, such as a manipulator, a sucker, and other material taking devices, to take away the detected pressure pipe 11, which is not the focus of the present specification and will not be described in detail herein.

In order to facilitate control of magnetization time and switching between different magnetization schemes, a timer T1 (connected in parallel with a normally closed contact KM 1301) is connected in series between a normally open contact KM104 and a coil KM111, and the timing time of the timer T1 is determined by the magnetization time of the different magnetization schemes; after the magnetic leakage detection of one magnetization scheme is completed, the coil KM111 can be powered on again by controlling the timer T1 to perform corresponding detection. In the same way, the twelfth relay and the thirteenth relay can be provided with corresponding timers to perform cyclic work, and can perform different detection and data acquisition; the timer can be controlled by a back-end system (a processor, a PLC and a computer) so as to facilitate automatic cycle detection.

Another aspect of the embodiments of the present specification discloses an auxiliary detection method for pressure pipe detection, which is implemented by the auxiliary system for pressure pipe detection;

The auxiliary method for detecting the pressure pipeline comprises the following steps:

s1, conveying a pressure pipeline 11 to be detected through a conveying belt 1;

s2, moving the first telescopic device 21 to the upper side of the conveying belt 1 through the first guide rail device 2;

s3, driving the vacuum chuck 22 to move downwards to the pressure pipeline 11 through the first telescopic device 21, and after sucking the pressure pipeline 11 through the vacuum chuck 22, moving the pressure pipeline 11 to a detection position 6 formed by the first clamping block 4 and the second clamping block 5 through the first guide rail device 2 and the first telescopic device 21;

s4, driving the supporting plate 71 to move upwards through the second telescopic device 7 so as to support the pressure pipeline 11;

s5, moving the first clamping block 4 through the second guide rail device 3, enabling the pressure pipeline 11 to be respectively inserted into the first cavity 41 and the second cavity 51, enabling two ends of the pressure pipeline 11 to be respectively in close contact with the first electric magnetic yoke 42 and the second electric magnetic yoke 52, and clamping the pressure pipeline 11 through the first clamp 43 and the second clamp 53;

s6, driving the magnetic induction probe and/or the ultrasonic probe and/or the camera to approach the pressure pipeline 11 through the third telescopic device 81 and the fourth telescopic device 91;

s7, longitudinally magnetizing the pressure pipeline 11 through the first electric magnetic yoke 42, the second electric magnetic yoke 52 and a magnetic yoke loop, and detecting magnetic leakage through a magnetic induction probe;

S8, circumferential magnetization is carried out on the pressure pipeline 11 through the first clamp 43, the second clamp 53 and a clamp power-on loop, and magnetic leakage detection is carried out through a magnetic induction probe;

s9, detecting surface defects of the pressure pipeline 11 through an ultrasonic probe, and acquiring surface images of the pressure pipeline 11 through a camera;

wherein the magnetic induction probe and/or the ultrasonic probe and/or the camera head are/is moved back and forth along the length direction of the pressure pipeline 11 by the third guide rail device 8 and the fourth guide rail device 9.

In summary, a plurality of specific embodiments of the present invention are disclosed, and under the condition of no paradox, each embodiment may be freely combined to form a new embodiment, that is, embodiments belonging to alternative schemes may be freely replaced, but cannot be mutually combined; embodiments not belonging to the alternatives can be combined with each other, and these new embodiments also belong to the essential content of the invention.

While the above examples describe various embodiments of the present invention, those skilled in the art will appreciate that various changes and modifications can be made to these embodiments without departing from the spirit and scope of the present invention, and that such changes and modifications fall within the scope of the present invention.

Claims

1. An auxiliary system for pressure pipe detection, comprising:

the conveying belt is used for conveying the pressure pipeline to be detected;

the first guide rail device is arranged above the conveying belt;

the first telescopic device is arranged on the sliding block of the first guide rail device;

the vacuum sucker is arranged at the telescopic end of the first telescopic device, and the suction end face of the vacuum sucker is parallel to the conveying plane of the conveying belt so as to suck the pressure pipeline on the conveying belt;

the track of the second guide rail device is spliced with the track of the first guide rail device;

the first clamping block is arranged on the sliding block of the second guide rail device; the first clamping block is provided with a first cavity;

the second clamping block is arranged opposite to the first clamping block and positioned on the right side of the first clamping block so as to form a detection position of the pressure pipeline in a matching way with the first clamping block; the second clamping block is provided with a second cavity;

the second telescopic device is arranged below the detection position;

the support plate is arranged at the telescopic end of the second telescopic device, and the upper end of the support plate is provided with an arc-shaped groove for supporting the pressure pipeline;

wherein the detection position consists of the first cavity, the second cavity and a space between the first cavity and the second cavity; a first electric magnetic yoke is arranged on the inner side surface of the first cavity, a first clamp is arranged between the first electric magnetic yoke and the opening of the first cavity, a second electric magnetic yoke is arranged on the inner side surface of the second cavity, a second clamp is arranged between the second electric magnetic yoke and the opening of the second cavity, and a magnetic yoke loop is externally connected with the first electric magnetic yoke and the second electric magnetic yoke together so as to longitudinally magnetize the pressure pipeline by using a magnetic yoke method; and the first clamp and the second clamp are connected with a clamp power-on loop in an external connection mode so as to circumferentially magnetize the pressure pipeline by using a clamp power-on method.

2. The auxiliary system for pressure pipe detection according to claim 1, further comprising:

a third rail device provided on the front side of the detection position;

the third telescopic device is arranged on the sliding block of the third guide rail device;

the first installation block is arranged on the telescopic end of the third telescopic device;

the second installation block is connected with the first installation block;

the fourth guide rail device is arranged at the rear side of the detection position;

the fourth telescopic device is arranged on the sliding block of the fourth guide rail device;

the third installation block is arranged on the telescopic end of the fourth telescopic device;

the fourth installation block is connected with the third installation block;

the first mounting block, the second mounting block, the third mounting block and the fourth mounting block are respectively located on the cross direction of the circumferential surface of the pressure pipeline, probe mounting positions are respectively arranged on the side faces of the circumferential surface of the pressure pipeline, and one or more of a magnetic induction probe, an ultrasonic probe and a camera are arranged on the probe mounting positions.

3. The auxiliary system for pressure pipeline detection according to claim 2, wherein the first mounting block is connected with the second mounting block through a first connecting plate, a first plug is arranged on a side surface, away from the first connecting plate, of the first mounting block, a second plug is arranged on a side surface, away from the first connecting plate, of the second mounting block, the third mounting block is connected with the fourth mounting block through a second connecting plate, a first socket is arranged on a side surface, away from the second connecting plate, of the third mounting block, a third plug is arranged on a side surface, away from the second connecting plate, a first wire is electrically connected between the first plug and the second plug, a second wire is electrically connected between the first socket and the third plug, and after the second plug is inserted into the first socket, the first wire and the third plug are respectively connected with an alternating current power circuit through the second socket in an external connection mode, the first wire and the second wire form a coil surrounding the pressure pipeline, so that the pressure pipeline is magnetized longitudinally by using a coil method.

4. The auxiliary system for pressure pipe detection according to claim 2, wherein the magnetic induction probe is provided with a first detection circuit;

the first detection circuit includes an inductor L1, an inductor L2, an inductor L3, an inductor L4, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a light emitting diode D1, a light emitting diode D2, a light emitting diode D3, a light emitting diode D4, an operational amplifier U1, an operational amplifier U2, an operational amplifier U3, and an operational amplifier U4;

the inductor L1 is grounded at one end, the other end is connected with one end of the capacitor C2, the other end of the capacitor C2 is connected with one end of the resistor R2, the other end of the resistor R2 is connected with the inverting end of the operational amplifier U1 and one end of the resistor R3, the in-phase end of the operational amplifier U1 is connected with one end of the resistor R5, one end of the resistor R1, the in-phase end of the operational amplifier U2, the in-phase end of the operational amplifier U3, the in-phase end of the operational amplifier U4 and the grounded capacitor C1, the other end of the resistor R1 is externally connected with a voltage end +5V, the other end of the resistor R5 is connected with one end of the resistor R4 and then grounded, the output end of the operational amplifier U1 is connected with the other end of the resistor R4, the positive electrode of the light emitting diode D1 and the other end of the resistor R3 and then grounded as an output end OUT1, and the negative electrode of the light emitting diode D1 is grounded;

One end of the inductor L2 is grounded, the other end of the inductor L2 is connected with one end of the capacitor C3, the other end of the capacitor C3 is connected with one end of the resistor R7, the other end of the resistor R7 is connected with the inverting end of the operational amplifier U2 and one end of the resistor R6, the output end of the operational amplifier U2 is connected with one end of the resistor R8, the anode of the light emitting diode D2 and the other end of the resistor R6 to serve as an output end OUT2, the cathode of the light emitting diode D2 is grounded, and the other end of the resistor R8 is grounded;

one end of the inductor L3 is grounded, the other end of the inductor L3 is connected with one end of the capacitor C5, the other end of the capacitor C5 is connected with one end of the resistor R14, the other end of the resistor R14 is connected with the inverting end of the operational amplifier U3 and one end of the resistor R9, the output end of the operational amplifier U3 is connected with one end of the resistor R12, the anode of the light emitting diode D3 and the other end of the resistor R9 to serve as an output end OUT3, the cathode of the light emitting diode D3 is grounded, and the other end of the resistor R12 is grounded;

the one end ground connection of inductor L4, the other end with the one end of electric capacity C4 is connected, the other end of electric capacity C4 with the one end of resistance R13 is connected, the other end of resistance R13 with the inverting terminal of fortune amplifier U4 and the one end of resistance R10 are connected, the output of fortune amplifier U4 with the one end of resistance R11, the anodal of emitting diode D4 and the other end of resistance R10 are connected the back and are regarded as output OUT4, the negative pole ground connection of emitting diode D4, the other end ground connection of resistance R11.

5. The auxiliary system for pressure pipe detection according to claim 2, wherein the magnetic induction probe is provided with a second detection circuit;

the second detection circuit includes an inductor L5, an inductor L6, an inductor L7, an inductor L8, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a resistor R15, a resistor R16, a resistor R17, a resistor R18, a resistor R19, a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a light emitting diode D5, a light emitting diode D6, a light emitting diode D7, a light emitting diode D8, an op-amp U51, an op-amp U52, an op-amp U53, and an op-amp U54;

the other end of the capacitor C6 is connected with one end of the resistor R15, the other end of the resistor R15 is connected with the inverting end of the operational amplifier U51 and one end of the resistor R16, the same-phase end of the operational amplifier U51 is externally connected with a voltage end 2.5V, the output end of the operational amplifier U51 is grounded with the other end of the resistor R16, the positive electrode of the light emitting diode D5, one end of the resistor R17, the output end of the operational amplifier U52, one end of the resistor R19, the positive electrode of the light emitting diode D6, one end of the resistor R20, the output end of the operational amplifier U53, one end of the resistor R22, the positive electrode of the light emitting diode D7, one end of the resistor R23, the output end of the operational amplifier U54, one end of the resistor R25, the positive electrode of the light emitting diode D8 and one end of the resistor R26 are connected to serve as an output end OUT5, and the other end of the resistor R17 is grounded;

One end of the inductor L6 is grounded, the other end of the inductor L6 is connected with one end of the capacitor C7, the other end of the capacitor C7 is connected with one end of the resistor R18, the other end of the resistor R18 is connected with the inverting end of the operational amplifier U52 and the other end of the resistor R19, the same-phase end of the operational amplifier U52 is externally connected with 2.5V of a voltage end, the other end of the resistor R20 is grounded, and the negative electrode of the light-emitting diode D6 is grounded;

one end of the inductor L7 is grounded, the other end of the inductor L7 is connected with one end of the capacitor C8, the other end of the capacitor C8 is connected with one end of the resistor R21, the other end of the resistor R21 is connected with the inverting end of the operational amplifier U53 and the other end of the resistor R22, the same-phase end of the operational amplifier U53 is externally connected with 2.5V of a voltage end, the other end of the resistor R23 is grounded, and the negative electrode of the light-emitting diode D7 is grounded;

one end of the inductor L8 is grounded, the other end of the inductor L8 is connected with one end of the capacitor C9, the other end of the capacitor C9 is connected with one end of the resistor R24, the other end of the resistor R24 is connected with the inverting end of the operational amplifier U54 and the other end of the resistor R25, the non-inverting end of the operational amplifier U54 is externally connected with 2.5V voltage end, the other end of the resistor R26 is grounded, and the negative electrode of the light emitting diode D8 is grounded.

6. The auxiliary system for pressure pipe detection according to claim 2, wherein the ultrasonic probe is provided with a third detection circuit;

the third detection circuit includes a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, a capacitor C17, a capacitor C18, a capacitor C19, a capacitor C20, a capacitor C21, a capacitor C22, a capacitor C23, a resistor R27, a resistor R28, a resistor R29, a resistor R30, a resistor R31, a resistor R32, a resistor R33, a resistor R34, a resistor R35, a resistor R36, a resistor R37, a resistor R38, a resistor R39, a resistor R40, a resistor R41, a resistor R42, a resistor R43, a resistor R44, a resistor R45, a resistor R46, a crystal oscillator Y1, a connector P1, a microcontroller U6, a level conversion chip U7, an operational amplifier chip U8, a triode Q1, a triode Q2, an ultrasonic transmitter FS1, and an ultrasonic receiver JS1;

the pin 3 of the connector P1 is connected with one end of the resistor R28 and the pin 1 of the microcontroller U6, the pin 2 of the connector P1 is connected with one end of the resistor R27 and the pin 2 of the microcontroller U6, the other end of the resistor R27 and the other end of the resistor R28 are externally connected with a voltage end +5V, the pin 5 of the microcontroller U6 is connected with one end of the crystal oscillator Y1 and one end of the capacitor C11, the pin 6 of the microcontroller U6 is connected with the other end of the crystal oscillator Y1 and one end of the capacitor C12, the other end of the capacitor C11 is grounded after being connected with the other end of the capacitor C12, and the pin 4 of the microcontroller U6 is externally connected with a voltage end +5V after being connected with the capacitor C13 which is grounded;

The pin 12 of the microcontroller U6 is connected with one end of the resistor R46, the other end of the resistor R46 is connected with the base electrode of the triode Q1, the emitter electrode of the triode Q1 is externally connected with a voltage end +5V, the collector electrode of the triode Q1 is connected with the pin 16 of the level conversion chip U7, the pin 1 and the pin 3 of the level conversion chip U7 are respectively connected with two ends of the capacitor C20, the pin 4 and the pin 5 of the level conversion chip U7 are respectively connected with two ends of the capacitor C21, the pin 2 of the level conversion chip U7 is connected with the capacitor C22 which is grounded, the pin 6 of the level conversion chip U7 is connected with the capacitor C23 which is grounded, the pin 11 and the pin 10 of the level conversion chip U7 are respectively connected with the pin 14 and the pin 13 of the microcontroller U6 one by one, and the pin 14 and the pin 7 of the level conversion chip U7 are respectively connected with two ends of the ultrasonic transmitter 1;

the pin 10 of the microcontroller U6 is connected with one end of the resistor R29, one end of the resistor R32 and the collector of the triode Q2, the emitter of the triode Q2 is grounded, the base of the triode Q2 is connected with one end of the resistor R31 and the grounded resistor R30, the other end of the resistor R31 is connected with the pin 1 of the op-amp chip U8, the other end of the resistor R32 is connected with one end of the resistor R38 and the pin 3 of the op-amp chip U8, the pin 9 of the microcontroller U6 is connected with one end of the resistor R33, the other end of the resistor R33 is connected with one end of the resistor R34, one end of the resistor R35, the grounded resistor R36, the grounded resistor R37 and the grounded capacitor R14, the other end of the resistor R34 is connected with the grounded capacitor C15 and then externally connected with a voltage terminal +5v, the other end of the resistor R35 is connected with the pin 2 of the op-amp chip U8, the other end of the resistor R38 is connected with the other end of the resistor R39 and the op-amp chip U8, and the other end of the resistor R39 is connected with the resistor R8 and the pin 7 of the op-amp chip U8;

The other end of the capacitor C16 is connected with one end of the resistor R40, the other end of the resistor R40 is connected with one end of the capacitor C17, one end of the resistor R44 and the pin 8 of the operational amplifier chip U8, the other end of the capacitor C17 is connected with one end of the capacitor C18, one end of the resistor R43 and one end of the resistor R41, the other end of the capacitor C18 is connected with the other end of the resistor R44 and the pin 9 of the operational amplifier chip U8, the other end of the resistor R43 is connected with the pin 10 of the operational amplifier chip U8, the other end of the resistor R41 is connected with one end of the resistor R42 and the pin 14 of the operational amplifier chip U8, the other end of the resistor R42 is connected with one end of the capacitor C19 and the pin 13 of the operational amplifier chip U8, the other end of the capacitor C19 is connected with one end of the resistor R45, the other end of the resistor R45 is connected with one end of the ultrasonic receiver JS1, and the other end of the ultrasonic receiver 1 is grounded.

7. The auxiliary system for pressure pipe detection according to claim 2, wherein a first proximity switch is provided at a conveying end of the conveying belt, the first proximity switch being for detecting whether the pressure pipe reaches directly under the vacuum chuck; the two ends of the first guide rail device are respectively provided with a first travel switch and a second travel switch, and the first travel switch and the second travel switch are used as a left-right limiting mechanism of the first guide rail device;

A second proximity switch is arranged between the first electric magnetic yoke and the first clamp, and the second proximity switch is used for detecting whether the pressure pipeline reaches between clamping blocks of the first clamp; the second electromagnetic yoke is connected with the inner side surface of the second cavity through a spring, a third travel switch is arranged between the second electromagnetic yoke and the inner side surface of the second cavity and used for detecting whether the pressure pipeline reaches between clamping blocks of the second clamp or not and detecting whether two ends of the pressure pipeline are in close contact with the first electromagnetic yoke and the second electromagnetic yoke or not respectively.

8. The auxiliary system for detecting a pressure pipe according to claim 7, wherein the conveyor belt,

The first guide rail device, the first telescopic device, the vacuum chuck, the second guide rail device, the second telescopic device, the first clamp, the second clamp, the third guide rail device, the third telescopic device, the fourth guide rail device and the fourth telescopic device are jointly configured with a control circuit;

the control circuit comprises a motor M1, a motor M2, a solenoid valve F1, a solenoid valve ZK1, a motor M3, a solenoid valve F2, a solenoid valve F3, a solenoid valve F4, a motor M4, a solenoid valve F5, a motor M5, a solenoid valve F6, a circuit breaker QF1, a main switch SB1, a sudden stop switch SB2, a inching switch S3, a proximity switch K1, a travel switch K2, a travel switch K3, a proximity switch K4, a travel switch K5, a power supply P1, a power supply P2, a power supply P3, a power supply P4, a power supply P5, a power supply P6, a first relay, a second relay, a third relay, a fourth relay, a fifth relay, a sixth relay, a seventh relay, an eighth relay, a ninth relay, a tenth relay, an eleventh relay, a twelfth relay, a thirteenth relay, a fourteenth relay, a fifteenth relay and a sixteenth relay;

The circuit breaker QF1 is used for being connected with a live wire L and a zero line N, one end of the main switch SB1 is connected with the live wire L through the circuit breaker QF1, and the other end of the main switch SB1 is connected with one end of the emergency stop switch SB 2; the breaker QF1 is connected with the motor M1 through a normally open contact KM11 of the first relay so as to control the motor M1 to work; the breaker QF1 is connected with the motor M2 through a normally open contact KM21 of the second relay and a normally open contact KM61 of the sixth relay respectively so as to control the motor M2 to rotate forwards and backwards; the breaker QF1 is connected with the motor M3 through a normally open contact KM81 of the eighth relay and a normally open contact KM1401 of the fourteenth relay respectively so as to control the motor M3 to rotate forwards and backwards; the breaker QF1 is connected with the motor M4 through a normally open contact KM1101 of the eleventh relay and a normally open contact KM1201 of the twelfth relay respectively so as to control the motor M4 to rotate positively and negatively; the breaker QF1 is connected with the motor M5 through a normally open contact KM1102 of the eleventh relay and a normally open contact KM1202 of the twelfth relay respectively so as to control the motor M5 to rotate positively and negatively;

the other end of the emergency stop switch SB2, the inching switch S3, the normally closed contact KM22 of the second relay and the coil KM1 of the first relay are connected in series, and are connected with the zero line N through the breaker QF1 after being connected in series, and the normally open contact KM12 of the first relay and the normally open contact KM1602 of the sixteenth relay are connected in parallel with the inching switch S3;

The other end of the emergency stop switch SB2, the proximity switch K1, a normally closed contact KM31 of the third relay and a coil KM2 of the second relay are connected in series, and are connected with the zero line N through the breaker QF1 after being connected in series;

the other end of the emergency stop switch SB2, the travel switch K2 and a coil KM3 of the third relay are connected in series, and are connected with the zero line N through the breaker QF1 after being connected in series;

the other end of the emergency stop switch SB2, a normally open contact KM32 of a third relay and a coil KM4 of a fourth relay are connected in series, and are connected with the zero line N through the breaker QF1 after being connected in series, and a normally open contact KM43 of the fourth relay is connected with the normally open contact KM32 in parallel;

the other end of the emergency stop switch SB2, a normally open contact KM42 of the fourth relay and a coil KM5 of the fifth relay are connected in series, and are connected with the zero line N through the breaker QF1 after being connected in series;

the other end of the emergency stop switch SB2, a normally open contact KM52 of a fifth relay, a normally closed contact KM71 of a seventh relay and a coil KM6 of the sixth relay are connected in series, and are connected with the zero line N through the breaker QF1 after being connected in series;

the other end of the emergency stop switch SB2, the travel switch K3 and a coil KM7 of a seventh relay are connected in series, and are connected with the zero line N through the breaker QF1 after being connected in series;

The other end of the emergency stop switch SB2, a normally open contact KM74 of a seventh relay, a normally closed contact KM101 of the tenth relay and a coil KM8 of an eighth relay are connected in series, and are connected with the zero line N through the breaker QF1 after being connected in series;

the other end of the emergency stop switch SB2, the proximity switch K4 and a coil KM9 of the ninth relay are connected in series, and are connected with the zero line N through the breaker QF1 after being connected in series;

the other end of the emergency stop switch SB2, the travel switch K5 and a coil KM10 of a tenth relay are connected in series, and are connected with the zero line N through the breaker QF1 after being connected in series;

the other end of the emergency stop switch SB2, a normally open contact KM104 of a tenth relay, a normally closed contact KM1301 of a thirteenth relay and a coil KM111 of an eleventh relay are connected in series, and are connected with the zero line N through the breaker QF1 after being connected in series;

the other end of the emergency stop switch SB2, a normally open contact KM1103 of an eleventh relay, a normally closed contact KM1302 of a thirteenth relay and a coil KM121 of a twelfth relay are connected in series, and are connected with the zero line N through the breaker QF1 after being connected in series;

the other end of the emergency stop switch SB2, a normally open contact KM1104 of an eleventh relay and a coil KM131 of a thirteenth relay are connected in series, and are connected with the zero line N through the breaker QF1 after being connected in series;

The other end of the emergency stop switch SB2, a normally open contact KM1305 of a thirteenth relay, a normally closed contact KM1601 of a sixteenth relay and a coil KM141 of a fourteenth relay are connected in series and then connected with the zero line N through the breaker QF1, and a normally open contact KM1402 of the fourteenth relay is connected in parallel with the normally open contact KM 1305;

the other end of the emergency stop switch SB2, a normally open contact KM1403 of a fourteenth relay and a coil KM151 of the fifteenth relay are connected in series, and are connected with the zero line N through the breaker QF1 after being connected in series;

the other end of the emergency stop switch SB2, a normally open contact KM1502 of a fifteenth relay, a normally closed contact KM13 of a first relay and a coil KM161 of a sixteenth relay are connected in series, and are connected with the zero line N through the breaker QF1 after being connected in series;

the normally open contact KM33 of the third relay, the normally closed contact KM51 of the fifth relay, the electromagnetic valve F1 and the power supply P1 are sequentially connected in series to form a loop, the normally open contact KM72 of the seventh relay is connected in series with the normally closed contact KM93 of the ninth relay, one end of the series is connected between the normally closed contact KM51 and the electromagnetic valve F1, and the other end of the series is connected between the normally open contact KM33 and the power supply P1;

The normally open contact KM41 of the fourth relay, the normally closed contact KM92 of the ninth relay, the electromagnetic valve ZK1 and the power supply P2 are sequentially connected in series to form a loop;

the normally open contact KM73 of the seventh relay, the normally closed contact KM107 of the tenth relay, the electromagnetic valve F2 and the power supply P3 are sequentially connected in series to form a loop;

the normally open contact KM91 of the ninth relay, the electromagnetic valve F3, the normally closed contact KM1501 of the fifteenth relay and the power supply P4 are sequentially connected in series to form a loop;

the normally open contact KM102 of the tenth relay, the electromagnetic valve F4, the normally closed contact KM1304 of the thirteenth relay and the power supply P5 are sequentially connected in series to form a loop;

the normally open contact KM103, the electromagnetic valve F5, the electromagnetic valve F6 of the tenth relay, the normally closed contact KM1303 and the power supply P6 of the thirteenth relay are sequentially connected in series to form a loop.

9. An auxiliary detection method for pressure pipe detection, characterized in that the auxiliary detection method is realized by the auxiliary system for pressure pipe detection according to any one of claims 2 to 8;

s1, conveying a pressure pipeline to be detected through a conveying belt;

s2, moving the first telescopic device to the upper part of the conveying belt through a first guide rail device;

s3, driving a vacuum chuck to move downwards to the pressure pipeline through the first telescopic device, and after sucking the pressure pipeline through the vacuum chuck, moving the pressure pipeline to a detection position formed by a first clamping block and a second clamping block through the first guide rail device and the first telescopic device;

s5, moving the first clamping block through the second guide rail device, enabling two ends of the pressure pipeline to be respectively in close contact with the first electromagnetic yoke and the second electromagnetic yoke after the pressure pipeline is respectively inserted into the first cavity and the second cavity, and clamping the pressure pipeline through a first clamp and a second clamp;

s6, driving the magnetic induction probe and/or the ultrasonic probe and/or the camera to be close to the pressure pipeline through the third telescopic device and the fourth telescopic device;

s7, longitudinally magnetizing the pressure pipeline through the first electric magnetic yoke, the second electric magnetic yoke and the magnetic yoke loop, and detecting magnetic leakage through the magnetic induction probe;

s8, circumferential magnetization is carried out on the pressure pipeline through a first clamp, a second clamp and a clamp power-on loop, and magnetic leakage detection is carried out through the magnetic induction probe;

s9, detecting surface defects of the pressure pipeline through the ultrasonic probe, and collecting surface images of the pressure pipeline through the camera;

and the magnetic induction probe and/or the ultrasonic probe and/or the camera move back and forth along the length direction of the pressure pipeline through the third guide rail device and the fourth guide rail device.