CN215866504U - Automatic detection equipment for conduit eddy current - Google Patents
Automatic detection equipment for conduit eddy current Download PDFInfo
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- CN215866504U CN215866504U CN202122015147.6U CN202122015147U CN215866504U CN 215866504 U CN215866504 U CN 215866504U CN 202122015147 U CN202122015147 U CN 202122015147U CN 215866504 U CN215866504 U CN 215866504U
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- eddy current
- catheter
- conduit
- probe
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Abstract
The utility model discloses automatic conduit eddy current detection equipment, which solves the problems that in the prior art, a handheld eddy current probe is time-consuming and labor-consuming to detect a metal conduit, and the detection precision is inaccurate. The automatic conduit eddy current detection equipment comprises an eddy current probe, a main body device and two conduit fixing devices, wherein the main body device is used for driving the eddy current probe to move, the two conduit fixing devices are used for fixing a metal conduit to be detected, a through hole for enabling the metal conduit to pass through is formed in the eddy current probe, the through hole is formed between the two conduit fixing devices, and the main body device drives the through hole to move between the two conduit fixing devices along the axis of the metal conduit. The automatic detection equipment for the conduit eddy current can automatically detect the metal conduit, has the advantages of large detectable length and specification range of the conduit, high detection speed, high efficiency, accurate precision, time and labor saving and good popularization and use values.
Description
Technical Field
The application belongs to the technical field of equipment detection and flaw detection, and particularly relates to automatic conduit eddy current detection equipment.
Background
In modern industrial production, equipment comprising a gas pressure device and a hydraulic device is widely applied to the manufacturing, production, transportation, detection and use processes of various products, an industrial metal conduit is an important part of the equipment comprising the gas pressure device and the hydraulic device, and in order to enable the equipment comprising the gas pressure device and the hydraulic device to be used normally, the quality of the metal conduit in the equipment is required to be ensured to be qualified, and the quality problems of the surface and the near surface of the conduit, such as the surface crack of the conduit, and the like are avoided, so that the leakage of gas and liquid is caused. Therefore, it is necessary to detect the surface and near-surface quality of a metal pipe mounted to a device including a pneumatic device and a hydraulic device.
The surface and near surface quality of the metal conduit are detected by adopting a manual operation eddy current probe detection mode, namely, an operator holds the metal conduit with one hand and holds the eddy current probe with the other hand to detect the metal conduit, the labor intensity is high, the detection efficiency is low, the detection result is easy to be influenced by the operator, and the accuracy of the detection result is low.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a catheter eddy current automatic detection device which can automatically detect the surface and near-surface quality of a metal catheter.
The technical scheme adopted for realizing the aim of the utility model is a conduit eddy current automatic detection device, which is characterized in that: the device comprises an eddy current probe, a main body device for driving the eddy current probe to move and two catheter fixing devices for fixing a metal catheter to be detected; the two catheter fixing devices are arranged at intervals, the eddy current probe is positioned between the two catheter fixing devices, and the eddy current probe is driven by the main body device to move between the two catheter fixing devices along the axis of the metal catheter; the eddy current probe is provided with a through hole for passing the metal conduit therethrough.
Optionally, the main body device comprises a fixed base and a moving part moving along the axis of the metal conduit relative to the fixed base, the eddy current probe is arranged on the moving part, and the two conduit fixing devices are arranged on the fixed base.
Optionally, the main body device is a linear module, the fixed foundation is a linear guide rail and a motor of the linear module, the moving part is a driving sliding block of the linear module, and the driving sliding block is driven by the motor and moves on the linear guide rail.
Optionally, one of the catheter fixing device and the moving part is provided with a limit switch, and the other is provided with a touch mechanism for touching the limit switch.
Optionally, the touch mechanism includes a connecting shaft, a bearing for touching the limit switch, and a retaining ring, the connecting shaft is a stepped shaft, a small shaft end of the connecting shaft is connected with the catheter fixing device or the moving part, the bearing is sleeved on a large shaft section of the connecting shaft and is limited by a shaft shoulder, and the retaining ring is arranged between the bearing and the catheter fixing device or the moving part.
Optionally, at least one of the catheter fixing devices is slidably connected to the fixing base, and a locking mechanism is disposed on the catheter fixing device.
Optionally, the two catheter fixing devices are a first catheter fixing device and a second catheter fixing device respectively, the first catheter fixing device is fixedly arranged at one end of the fixed foundation, and the second catheter fixing device is connected with the fixed foundation in a sliding manner.
Optionally, the locking mechanism includes a fixing block, a pressing block and a locking screw, the fixing block is fixed on the catheter fixing device, and the pressing block is connected with the fixing block through the locking screw, so that the pressing block abuts against the fixing base.
Optionally, the eddy current probe is arranged on the main body device through a probe supporting seat, the probe supporting seat includes four vertical plates, the four vertical plates surround a quadrilateral installation cavity, the eddy current probe is in clearance fit with the installation cavity, and a notch is arranged on the vertical plate at a position opposite to the through hole.
Optionally, two tip cones are arranged on the two catheter fixing devices, and the two tip cones are arranged oppositely and are coaxial.
According to the technical scheme, the automatic conduit eddy current detection equipment comprises an eddy current probe, a main body device used for driving the eddy current probe to move, and two conduit fixing devices used for fixing a metal conduit to be detected. The eddy current probe is arranged on the main body device, a circular through hole for the metal conduit to pass through is formed in the eddy current probe, the two conduit fixing devices are arranged on two sides of the eddy current probe, and the eddy current probe moves between the two conduit fixing devices along the axis of the metal conduit passing through the circular through hole under the driving of the main body device. When using this application to detect metal conduit, will wait to detect metal conduit and pass the circular through-hole of vortex probe, then connect the both ends of this metal conduit respectively and fix it through two pipe fixing device, later adjust the position of vortex probe, make vortex probe be close to one of them pipe fixing device, the inside metal conduit outside edge that waits to detect of circular through-hole of vortex probe, under the drive of main part device, vortex probe is along waiting to detect the axis of metal conduit, from a pipe fixing device to another pipe fixing device removal, thereby carry out automated inspection to whole metal conduit.
Compared with the prior art, the automatic detection equipment for the conduit eddy current provided by the utility model adopts the automatic monitoring device, is simple to operate and convenient to use, can detect metal conduits of various types, specifications and lengths, avoids complicated manual repeated labor, improves the detection efficiency and the accuracy of detection results, enlarges the application range of conduit detection, can detect metal conduits of various types, specifications and lengths, and has great popularization and use values.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for automatically detecting a conduit eddy current according to an embodiment of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic structural diagram of a linear module in the automatic detection apparatus for conduit eddy current of fig. 1.
Fig. 4 is a schematic structural view of a catheter fixing device in the automatic catheter eddy current testing apparatus of fig. 1.
Fig. 5 is a schematic structural diagram of a touch mechanism in the automatic detection device for eddy current of a catheter of fig. 1.
Fig. 6 is a schematic structural view of a probe supporting seat in the automatic catheter eddy current testing apparatus of fig. 1.
Description of reference numerals: 1-an eddy current probe; 2-linear module, 21-motor, 22-linear guide rail, 23-driving slide block and 24-free slide block; 3-a catheter fixing device, 31-a tip cone, 32-a tip cone base, 33-a fixing block, 34-a locking screw and 35-a pressing block; 4-limit switch; 5-touch mechanism, 51-connecting shaft, 52-bearing and 53-retaining ring; 6-probe supporting seat, 61-vertical plate and 62-notch; 7-metal conduit.
Detailed Description
In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings by way of specific embodiments.
The embodiment of the utility model provides a conduit eddy current automatic detection device, which is used for carrying out complete automatic eddy current monitoring on a metal conduit to be detected, and the structure of each part of the conduit eddy current automatic detection device is described in detail as follows:
referring to fig. 1 and 2, the automatic conduit eddy current testing device provided by the utility model comprises an eddy current probe 1, a main body device and two conduit fixing devices 3, wherein a circular through hole for passing a metal conduit 7 therethrough is arranged in the eddy current probe 1, the metal conduit 7 is arranged between the two conduit fixing devices 3 after passing through the circular through hole, the two conduit fixing devices 3 are respectively fixedly connected with one end of the metal conduit 7 to fix the metal conduit 7, the eddy current probe 1 is arranged on the main body device, and the eddy current probe 1 is driven by the main body device to move between the two conduit fixing devices 3 along the axis of the metal conduit 7 and perform eddy current testing on the metal conduit 7.
Referring to fig. 1, 2 and 3, the main body device includes a fixed base and a moving part moving along the axis of the metal conduit to be detected relative to the fixed base, the eddy current probe 1 is disposed on the moving part and moves along with the moving part, the moving part can adopt various forms such as slide rail connection, belt connection and piston fit connection, specifically in this embodiment, the main body device adopts a linear module 2, wherein the fixed base is a linear guide 22, the moving part is a driving slide block 23, the eddy current probe 1 is disposed on the driving slide block 23 and moves along the linear guide 22 under the driving of a motor 21 along with the driving slide block 23. In this embodiment, two free sliders 24 are further slidably disposed on the linear guide 22, the two free sliders 24 are disposed on two sides of the driving slider 23, both the two free sliders 24 can freely slide on the linear guide 22, and the two catheter fixing devices 3 are respectively mounted on one free slider 24, so that both the two catheter fixing devices 3 can freely slide along the linear guide 22 through the free slider 24.
The eddy current probe 1 is provided with a through hole for passing the metal guide tube 7 therethrough, and the guide tube fixing device 3 functions to fix the metal guide tube 7 by restricting both ends of the metal guide tube 7. The metal guide pipe 7 penetrates through the through hole in the eddy current probe 1, the metal guide pipe 7 is limited by the guide pipe fixing devices 3 arranged at two ends of the eddy current probe 1 together to be fixed, the eddy current probe 1 can move along the axial direction of the metal guide pipe 7 along with the moving part on the fixed basis, meanwhile, the part of the metal guide pipe 7 surrounded by the through hole of the eddy current probe 1 is detected, when the whole length of the metal guide pipe 7 passes through the through hole of the eddy current probe 1, the eddy current probe 1 detects the whole metal guide pipe 7, and the detection is finished.
The catheter fixing device 3 can fix the metal pipeline 6 in various ways such as clamping the metal pipeline 6, tightly supporting the inner wall of the metal pipeline 6, arranging a sleeve matched with the caliber of the metal pipeline 6 and the like. Referring to fig. 4, in the present embodiment, the catheter fixing device 3 is provided with a conical tip cone 31, the tip cone 31 is disposed on the catheter fixing device 3 through a tip cone base 32, the two tip cones 31 are disposed oppositely and coaxially, and the conical surfaces of the two tip cones 31 jointly abut against the inner channel of the metal pipe 6, so as to fix the metal pipe 6. At least one of the two catheter fixing devices 3 is slidably connected to the fixed base, so that the distance between the two catheter fixing devices 3 can be changed by changing the position of the catheter fixing device 3 slidably connected to the fixed base, and further changing the distance between the two catheter fixing devices 3 to fix the metal catheters 7 with different lengths.
The slidably connected catheter securement devices 3 are provided with a locking mechanism which enables the slidably connected catheter securement devices 3 which have finished moving to be fixed on a fixed basis so that the distance between the two catheter securement devices 3 is no longer changed. The locking mechanism can be provided in various ways, referring to fig. 4, specifically, in this embodiment, two catheter fixing devices 3 are disposed on two free sliding blocks 24, and both can slide freely on the linear guide 22 through the free sliding blocks 24, so that each catheter fixing device 3 includes a locking mechanism, the locking mechanism includes a fixed block 33, a locking screw 34 and a pressing block 35, the fixed block 33 is fixed on the catheter fixing device 3, and the pressing block 35 is connected with the fixed block 33 through the locking screw 34, so that the pressing block 35 abuts against the linear guide 22. When the catheter fixing device 3 needs to be moved, the locking screw 34 and the pressing block 35 are unscrewed, so that the catheter fixing device 3 can freely slide on the linear guide rail; after the sliding is finished, the locking screw 34 and the pressing block 35 are screwed, and the pressing block 35 abuts against the linear guide rail 22, so that the whole catheter fixing device 3 is fixed on the linear guide rail 22.
The eddy current probe 1 is disposed on the moving part and moves along the axis of the metal guide tube 7 with the moving part relative to the fixed base. In the present embodiment, the eddy current probe 1 is disposed on the driving slider 23 through the probe supporting base 6. Referring to fig. 5, the probe supporting seat 6 comprises four vertical plates 61 and a mounting base plate, the four vertical plates 61 are vertically arranged on the mounting base plate, the four vertical plates 61 surround a quadrilateral mounting cavity, and the length and width of the mounting cavity are both greater than the length and width of the eddy current probe 1 by 1-2 mm, so that the eddy current probe 1 is in clearance fit with the mounting cavity; the mounting base plate is provided with a screw hole so that the probe supporting base 6 is fixed on the driving slider 23 through a thread. Meanwhile, two vertical plates 61 corresponding to the through hole on the eddy current probe 1 are provided with two notches 62, so that the metal conduit 7 is not obstructed by the vertical plates 61 when passing through the through hole, the size and the shape of the notches 62 do not need to be designed specifically, and in the embodiment, the notches 62 are semicircular.
Referring to fig. 1 and 2, two catheter fixing devices 3 are both provided with a limit switch 4 for turning off a motor 21, a touch mechanism 5 capable of touching and pressing the limit switch 4 is arranged on a probe supporting seat 6, the probe supporting seat 6 starts to move from one end of a metal catheter 7 along with a driving slider 23, when the probe supporting seat 6 moves to the other end of the metal catheter 7, the touch mechanism 5 arranged on the probe supporting seat 6 continues to move along with the driving slider 23 driven by the motor 21, and then touches and presses the limit switch 4 arranged on the catheter fixing device 3, the motor 21 is turned off, and the driving slider 23 stops moving after detecting the whole metal catheter 7. The limit switch 4 can be arranged on the mechanisms such as the guide tube fixing device 3, the linear guide rail 22, the free slide block 24 and the probe supporting seat 6, the limit switch 4 corresponding to the touch mechanism 5 is arranged on the mechanisms such as the probe supporting seat 6, the guide tube fixing device 3, the free slide block 24 and the guide tube fixing device 3, the touch mechanism 5 is ensured to touch the limit switch 4 after the eddy current probe 1 detects the whole metal guide tube 7, the motor is turned off, the drive slide block 23 stops moving, and the eddy current automatic detection of the metal guide tube is finished.
The touch mechanism 5 is used for touching the press limit switch 4 to turn off the motor 21. Referring to fig. 1, 2 and 6, the embodiment specifically adopts a touch mechanism 5 including a connecting shaft 51, a bearing 52 and a retaining ring 53, the connecting shaft is a stepped shaft, the bearing is sleeved on a large shaft section of the connecting shaft and is limited by a shaft shoulder, a small shaft end of the connecting shaft is connected to a probe supporting seat 6 through an ear plate, the retaining ring is arranged between the bearing and the ear plate, two ends of the probe supporting seat 6 are respectively provided with one touch mechanism 5, and the two ends can respectively touch a limit switch 4 arranged on two catheter fixing devices 3.
When the automatic detection equipment for the conduit eddy current provided by the embodiment is adopted, the following operations are specifically performed:
unscrewing the locking screw 34, moving the two pipe fixing devices 3 on the linear guide rail 22 to be away from each other, enabling the metal pipe 7 to pass through the through hole of the eddy current probe 1, then moving the two pipe fixing devices 3 inwards to enable the two tip cones 31 to tightly prop and fix the metal pipe 7, screwing the locking screw 34 to enable the pipe fixing devices 3 to be fixed on the linear guide rail 22, driving the eddy current probe 1 to move to the edge of one end of the metal pipe 7 by the driving slide block 23, starting the eddy current probe 1 and the motor 21, moving the eddy current probe 1 to the other end of the metal pipe 7 from one end of the metal pipe 7 to detect the whole metal pipe 7, then driving the slide block 23 to drive the probe supporting seat 6 and the eddy current probe 1 to move continuously until the contact mechanism 5 arranged on the probe supporting seat 6 contacts the limit switch 4 on the pipe fixing device 3, and the bearing 52 on the contact mechanism 5 rolls and presses the limit switch 5, the motor 21 is turned off, and the eddy current automatic detection process of the whole metal guide pipe 7 is finished.
Through the embodiment, the utility model has the following beneficial effects or advantages:
1) the automatic detection equipment for the conduit eddy current is simple to operate and convenient to use, a metal conduit is arranged between the two conduit fixing devices, the automatic detection equipment for the conduit eddy current is started, the eddy current probe automatically detects the whole length of the metal conduit, and compared with the existing manual detection mode of operators, the automatic detection equipment for the conduit eddy current is time-saving and labor-saving, high in detection efficiency and high in detection result accuracy.
2) The automatic detection equipment for the conduit eddy current is provided with the two conduit fixing devices, and at least one conduit fixing device is connected to the fixing base in a sliding mode, so that the distance between the two conduit fixing devices can be adjusted within a certain range, the two conduit fixing devices can fix metal conduits with different lengths, and the range of the automatic detection equipment for the conduit eddy current for detecting the types of the metal conduits is expanded.
3) The automatic detection equipment for the conduit eddy current provided by the utility model has a wide application range, the eddy current probe is arranged on the main body device through the probe supporting seat, and the eddy current probe is in clearance fit with the probe supporting seat. If other operations are required to be carried out on the metal guide pipe, the eddy current probe can be changed into other equipment, the probe supporting seat can also be detached, and the equipment to be used is installed on the subject device in other modes, so that other operations are carried out on the metal guide pipe fixed by the two guide pipe fixing devices.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. An automatic detection device for conduit eddy current is characterized in that: the device comprises an eddy current probe, a main body device for driving the eddy current probe to move and two catheter fixing devices for fixing a metal catheter to be detected; the two catheter fixing devices are arranged at intervals, the eddy current probe is positioned between the two catheter fixing devices, and the eddy current probe is driven by the main body device to move between the two catheter fixing devices along the axis of the metal catheter; the eddy current probe is provided with a through hole for passing the metal conduit therethrough.
2. The catheter eddy current automatic test equipment as claimed in claim 1, wherein: the main body device comprises a fixed base and a moving part which moves along the axis of the metal conduit relative to the fixed base, the eddy current probe is arranged on the moving part, and the two conduit fixing devices are arranged on the fixed base.
3. The catheter eddy current automatic test equipment as claimed in claim 2, wherein: the main body device is a linear module, the fixed foundation is a linear guide rail and a motor of the linear module, the moving part is a driving sliding block of the linear module, and the driving sliding block is driven by the motor to move on the linear guide rail.
4. The catheter eddy current automatic test equipment as claimed in claim 2, wherein: one of the catheter fixing device and the moving part is provided with a limit switch, and the other one of the catheter fixing device and the moving part is provided with a touch mechanism for touching the limit switch.
5. The catheter eddy current automatic test equipment as claimed in claim 4, wherein: the touch mechanism comprises a connecting shaft, a bearing and a retaining ring, the bearing is used for touching the limit switch, the connecting shaft is a stepped shaft, the small shaft end of the connecting shaft is connected with the catheter fixing device or the moving part, the bearing is sleeved on the large shaft section of the connecting shaft and is limited through a shaft shoulder, and the retaining ring is arranged between the bearing and the catheter fixing device or the moving part.
6. The catheter eddy current automatic test equipment as claimed in claim 2, wherein: at least one catheter fixing device is connected with the fixed foundation in a sliding mode, and a locking mechanism is arranged on the catheter fixing device.
7. The catheter eddy current automatic test equipment as claimed in claim 6, wherein: the two catheter fixing devices are respectively a first catheter fixing device and a second catheter fixing device, the first catheter fixing device is fixedly arranged at one end of the fixed foundation, and the second catheter fixing device is connected with the fixed foundation in a sliding mode.
8. The catheter eddy current automatic test equipment as claimed in claim 6, wherein: the locking mechanism comprises a fixing block, a pressing block and a locking screw, the fixing block is fixed on the catheter fixing device, and the pressing block is connected with the fixing block through the locking screw so as to enable the pressing block to tightly abut against the fixed foundation.
9. The catheter eddy current automatic inspection device according to any one of claims 1 to 8, wherein: the eddy current probe is arranged on the main body device through a probe supporting seat, the probe supporting seat comprises four vertical plates, the four vertical plates surround to form a quadrilateral installation cavity, the eddy current probe is in clearance fit with the installation cavity, and a notch is formed in the vertical plate at a position opposite to the through hole.
10. The catheter eddy current automatic inspection device according to any one of claims 1 to 8, wherein: two tip cones are arranged on the two catheter fixing devices and are arranged oppositely and coaxially.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122015147.6U CN215866504U (en) | 2021-08-25 | 2021-08-25 | Automatic detection equipment for conduit eddy current |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122015147.6U CN215866504U (en) | 2021-08-25 | 2021-08-25 | Automatic detection equipment for conduit eddy current |
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CN215866504U true CN215866504U (en) | 2022-02-18 |
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CN202122015147.6U Active CN215866504U (en) | 2021-08-25 | 2021-08-25 | Automatic detection equipment for conduit eddy current |
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2021
- 2021-08-25 CN CN202122015147.6U patent/CN215866504U/en active Active
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