CN114295633A - Internal defect detection device for high-voltage cable - Google Patents
Internal defect detection device for high-voltage cable Download PDFInfo
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- CN114295633A CN114295633A CN202111326528.4A CN202111326528A CN114295633A CN 114295633 A CN114295633 A CN 114295633A CN 202111326528 A CN202111326528 A CN 202111326528A CN 114295633 A CN114295633 A CN 114295633A
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- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 230000007547 defect Effects 0.000 title claims abstract description 42
- 230000005855 radiation Effects 0.000 claims description 13
- 238000003032 molecular docking Methods 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000003760 hair shine Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
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Abstract
The application relates to a high voltage cable internal defect detection device, include: a slide rail base; the cable butt-joint mechanism is used for limiting the slide rail base and the cable to be tested; the base plate is fixed on the slide rail base and provided with an arc-shaped guide rail, and the arc-shaped guide rail is positioned in a radial plane of the cable to be tested; the ray source mounting plate is movably mounted on the arc-shaped guide rail; the ray source is fixed on the ray source mounting plate; the driving piece is used for driving the ray source to rotate along the arc-shaped guide rail; the detector is fixed on the ray source mounting plate and is divided by the circle center of the arc-shaped guide rail, the detector is positioned on the opposite side of the ray source, and the detector can receive light rays irradiated by the ray source. The invention realizes the internal defect detection of the high-voltage cable by the cone beam scanning of the inner circumference at a certain angle, and has good detection effect and high efficiency.
Description
Technical Field
The application belongs to the technical field of cable detection, and particularly relates to a high-voltage cable internal defect detection device.
Background
High-voltage cables are important carriers and tools for transmitting electric power in the modern society, faults of high-voltage lines, such as short circuit and discharge caused by ultrahigh-voltage lines, occur, and great threats are brought to life safety and property of people. Therefore, the power transmission line must be regularly inspected, the running condition of the power transmission line and the change condition of the surrounding environment of the power transmission line can be mastered and known at any time, hidden dangers can be timely discovered and eliminated, and accidents can be prevented.
The inspection of the high-voltage cable is an operation task with high labor intensity and wide related range. At home and abroad, inspection personnel mainly use the inspection equipment to perform the detection task along the line, and the method has low efficiency, high cost and high false detection and omission ratio.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the inconvenience that high voltage cable detected among the prior art is solved to a high voltage cable internal defect detection device is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a high voltage cable internal defect detection apparatus, comprising:
a slide rail base;
the cable butt-joint mechanism is used for limiting the slide rail base and a cable to be tested;
the base plate is fixed on the slide rail base, an arc-shaped guide rail is arranged on the base plate, and the arc-shaped guide rail is positioned in a radial plane of the cable to be tested;
the ray source mounting plate is movably mounted on the arc-shaped guide rail;
the ray source is fixed on the ray source mounting plate;
the driving piece is used for driving the ray source to rotate along the arc-shaped guide rail;
the detector is fixed on the ray source mounting panel, and with the centre of a circle of arc guide rail is the boundary, the detector is located the offside of ray source, the detector can receive the light that the ray source shines.
Preferably, according to the internal defect detection device for the high-voltage cable, a driving gear is arranged at the end of the rotating shaft of the driving piece, an arc gear is fixed on one side of the ray source mounting plate, and the arc gear is meshed with the driving gear.
Preferably, in the internal defect detection device for a high-voltage cable of the present invention, the edge of the base plate has a notch for the cable to be tested to pass through.
Preferably, in the internal defect detection device for a high-voltage cable according to the present invention, the gap is provided with a movable component, and the movable component is a movable structure and is used for opening or closing the gap.
Preferably, the detector of the internal defect detection device of the high-voltage cable has an adjustable structure so as to adjust the position of the detector relative to the radiation source mounting plate.
Preferably, in the internal defect detection device for the high-voltage cable, the rotation range of the radiation source mounting plate is-60 to 60 degrees.
Preferably, in the internal defect detection device for a high-voltage cable of the present invention, the base plate and the slide rail base are fixed by an L-shaped fixing plate.
Preferably, in the internal defect detection device for a high-voltage cable of the present invention, a triangular reinforcing plate is disposed in the middle of the fixing plate.
Preferably, the internal defect detecting device for a high-voltage cable of the present invention, the cable docking mechanism includes:
the main body part is fixed on the slide rail base, and the top of the main body part is provided with a semicircular groove;
and a detachable member having a semicircular groove at a lower portion thereof, the detachable member being fixed to the main body portion by a screw.
Preferably, the internal defect detecting device for a high-voltage cable of the present invention, the cable docking mechanism includes:
the main body bracket is fixed on the slide rail base;
the cable clamp comprises two adjusting rollers, wherein a cable to be detected is clamped between the two adjusting rollers, and the circumference of each adjusting roller is provided with a recess used for matching with the profile of the cable.
Preferably, in the internal defect detection device for a high-voltage cable of the present invention, the main body bracket is provided with a sliding groove, one of the adjusting rollers is installed in the sliding groove and connected to the lifting rod, and the lifting rod is used for adjusting the position of the adjusting roller.
Preferably, in the internal defect detection device for a high-voltage cable of the present invention, the lifting rod is a screw rod structure.
The invention has the beneficial effects that:
the circuit is detected by replacing detection personnel, so that the labor intensity can be reduced, the detection cost is reduced, the detection quality and efficiency are improved, and the detection safety is improved, so that the management and maintenance level of the circuit is improved;
internal defect detection of the high-voltage cable is achieved through cone beam scanning in the inner circumference at a certain angle, the detection effect is good, and the efficiency is high.
Drawings
The technical solution of the present application is further explained below with reference to the drawings and the embodiments.
FIG. 1 is a three-dimensional structural diagram of a high-voltage cable internal defect detection device according to embodiment 1 of the present application;
FIG. 2 is a front view of the internal defect detecting device of the high voltage cable in embodiment 1 of the present application;
FIG. 3 is a front view of the cable docking mechanism structure of embodiment 2 of the present application;
fig. 4 is a left side view of the structure of the cable docking mechanism according to embodiment 2 of the present application.
The reference numbers in the figures are:
1 sliding rail base
2 cable butt-joint mechanism
3 base plate
4 fixing plate
5 ray source mounting plate
6 driving piece
7 ray source
8 arc gear
9 Detector
10 main body support
11 arc-shaped guide rail
12 cable mounting seat
13 cable to be tested
21 removable part
31 moving part
61 drive gear
101 roller
102 lifting rod
103 chute.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. 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 defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
The present embodiment provides a device for detecting internal defects of a high-voltage cable, as shown in fig. 1 and 2, including:
a slide rail base 1;
the cable butt-joint mechanism 2 is used for limiting the slide rail base 1 and a cable to be tested;
the base plate 3 is fixed on the slide rail base 1, an arc-shaped guide rail 11 is arranged on the base plate 3, and the arc-shaped guide rail 11 is positioned in the radial plane of the cable to be tested;
the ray source mounting plate 5 is movably mounted on the arc-shaped guide rail 11;
the ray source 7 is fixed on the ray source mounting plate 5;
the driving part 6 is used for driving the ray source 7 to rotate along the arc-shaped guide rail 11;
detector 9 fixes on the source of radiation mounting panel 5, and with the centre of a circle of arc guide rail 11 is the boundary, detector 9 is located the offside of source of radiation 7, detector 9 can receive the light that source of radiation 7 shines.
The working principle is as follows: during high altitude construction, the centre of a circle department of arc guide rail 11 is arranged in to the cable 13 that will await measuring, and use cable docking mechanism 2 and the butt joint of cable 13 that awaits measuring, the cable 13 that awaits measuring is in detector 9 scanning area, driving piece 6 drives ray source mounting panel 5 and rotates along arc guide rail 11 in certain angle range, ray source 7 and detector 9 on the ray source mounting panel 5 swing in certain angle range, the projection of a plurality of angle of cable is received to detector 9, can judge cable internal defect according to the shape defect of a plurality of projection.
Preferably, in the internal defect detection device for a high-voltage cable of this embodiment, as shown in fig. 2, a driving gear 61 is disposed at an end of a rotating shaft of the driving member 6, an arc gear 8 is fixed at one side of the radiation source mounting plate 5, and the arc gear 8 is engaged with the driving gear 61. The arc-shaped guide rail 11 and the driving gear 61 of the driving piece 6 support the radiation source mounting plate 5, and the radiation source mounting plate 5 is fixedly connected with the cable mounting base 12.
Preferably, in the internal defect detection apparatus for a high-voltage cable according to the present embodiment, as shown in fig. 2, the edge of the base plate 3 has a notch for the cable 13 to be tested to pass through. Preferably, a movable part 31 is arranged at the notch, and the movable part 31 is a movable structure and is used for opening or closing the notch. When the device is used, the cable to be tested can conveniently enter the interior through the notch.
Preferably, in the internal defect detecting apparatus for high voltage cable of the present embodiment, the detector 9 has an adjustable structure to adjust its position relative to the radiation source mounting plate 5, for example, the detector 9 can move up and down.
Preferably, in the internal defect detection apparatus for a high-voltage cable of the present embodiment, the rotation range of the radiation source mounting plate 5 is-60 ° to 60 °.
Preferably, in the internal defect detection apparatus for a high-voltage cable according to the present embodiment, the base plate 3 and the slide rail base 1 are fixed by an L-shaped fixing plate 4. The L-shaped fixing plate 4 can enable the base plate 3 to be perpendicular to the sliding rail base 1, and stability is enhanced. Preferably, a triangular reinforcing plate is arranged in the middle of the fixing plate 4.
Preferably, in the internal defect detecting apparatus for a high-voltage cable according to the present embodiment, as shown in fig. 1, the cable docking mechanism 2 includes:
the main body part is fixed on the slide rail base 1, and the top of the main body part is provided with a semicircular groove;
a detachable member 21 having a semicircular recess at a lower portion thereof, the detachable member 21 being fixed to the main body portion by a screw.
Example 2
The present embodiment provides a high-voltage cable internal defect detection device, the difference from embodiment 1 is shown in fig. 3 and 4, the cable docking mechanism 2 is changed to include:
the main body bracket 10 is fixed on the slide rail base 1;
the cable clamp comprises two adjusting rollers 101, a cable 13 to be tested is clamped between the two adjusting rollers 101, and a recess used for matching with the profile of the cable is formed in the circumference of each adjusting roller 101.
In this embodiment, the cable docking mechanism 2 is a movable structure, and the adjusting roller 101 may be actively driven or passively driven, so that the cable docking mechanism 2 can move axially along the cable 13 to be detected, thereby facilitating the axial dynamic detection of the detection device along the cable 13 to be detected.
Preferably, in the internal defect detection device for a high-voltage cable of this embodiment, the main body bracket 10 is provided with a sliding groove 103, one of the adjusting rollers 101 is installed in the sliding groove 103 and is connected to the lifting rod 102, and the lifting rod 102 is used for adjusting the position of the adjusting roller 101, that is, the distance between the two adjusting rollers 101 can be changed. This device of being convenient for adjusts lifter 102 according to the diameter of the cable 13 that awaits measuring for the cable 13 that awaits measuring is laminated to the interval of adjusting roller 101, thereby reaches neither harm cable 13 that awaits measuring, can be along the purpose that cable 13 that awaits measuring smoothly crawls again. Preferably, the lifting rod 102 is a screw rod structure, and the adjusting roller 101 is provided with corresponding threads, so that a driving structure of a screw rod and a screw nut is realized.
In the above embodiments, some of the components are arranged in pairs as shown in fig. 1-4 in order to increase the stability of the device.
In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A high voltage cable internal defect detection device, characterized by comprising:
a slide rail base (1);
the cable butt-joint mechanism (2) is used for limiting the slide rail base (1) and a cable to be tested;
the base plate (3) is fixed on the slide rail base (1), an arc-shaped guide rail (11) is arranged on the base plate (3), and the arc-shaped guide rail (11) is positioned in the radial plane of the cable to be tested;
the ray source mounting plate (5) is movably mounted on the arc-shaped guide rail (11);
the ray source (7) is fixed on the ray source mounting plate (5);
the driving piece (6) is used for driving the ray source (7) to rotate along the arc-shaped guide rail (11);
the detector (9) is fixed on the ray source mounting plate (5) and is divided by the circle center of the arc-shaped guide rail (11), the detector (9) is positioned on the opposite side of the ray source (7), and the detector (9) can receive light rays irradiated by the ray source (7);
the cable docking mechanism (2) comprises:
the main body bracket (10) is fixed on the slide rail base (1);
the cable clamp comprises two adjusting rollers (101), a cable to be detected is clamped between the two adjusting rollers (101), and the circumference of each adjusting roller (101) is provided with a recess used for matching with the profile of the cable.
2. The internal defect detection device of the high-voltage cable according to claim 1, wherein a driving gear (61) is arranged at the end of the rotating shaft of the driving member (6), an arc gear (8) is fixed at one side of the radiation source mounting plate (5), and the arc gear (8) is meshed with the driving gear (61).
3. The internal defect detection device of high-voltage cable according to claim 2, characterized in that the edge of the base plate (3) has a notch for passing the cable to be tested.
4. The internal defect detection device of the high-voltage cable according to claim 3, wherein a movable part (31) is arranged at the notch, and the movable part (31) is a movable structure and is used for opening or closing the notch.
5. A high voltage cable internal defect detection apparatus as claimed in any one of claims 1 to 4, wherein the detector (9) has an adjustable structure to adjust its position relative to the radiation source mounting plate (5).
6. A high voltage cable internal defect detection apparatus as claimed in any one of claims 1-4, wherein the radiation source mounting plate (5) is rotatable in a range of-60 ° to 60 °.
7. The internal defect detection device of the high-voltage cable according to any one of claims 1 to 4, characterized in that the base plate (3) and the slide rail base (1) are fixed by an L-shaped fixing plate (4).
8. The high voltage cable internal defect detection device of claim 7, wherein a triangular reinforcing plate is arranged in the middle of the fixing plate (4).
9. The internal defect detection device of the high-voltage cable according to claim 1, wherein a sliding slot (103) is formed on the main body bracket (10), one of the adjusting rollers (101) is installed in the sliding slot (103) and is connected with a lifting rod (102), and the lifting rod (102) is used for adjusting the position of the adjusting roller (101).
10. The internal defect detection device of high-voltage cable according to claim 9, characterized in that the lifting rod (102) is a screw rod structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111326528.4A CN114295633A (en) | 2021-11-10 | 2021-11-10 | Internal defect detection device for high-voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111326528.4A CN114295633A (en) | 2021-11-10 | 2021-11-10 | Internal defect detection device for high-voltage cable |
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| Publication Number | Publication Date |
|---|---|
| CN114295633A true CN114295633A (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111326528.4A Pending CN114295633A (en) | 2021-11-10 | 2021-11-10 | Internal defect detection device for high-voltage cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117538350A (en) * | 2023-10-26 | 2024-02-09 | 深圳市日联科技有限公司 | Cable X-ray three-dimensional detection device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014015490A1 (en) * | 2012-07-26 | 2014-01-30 | 清华大学 | Combined ray non-destructive testing method and system |
| CN104297271A (en) * | 2014-11-10 | 2015-01-21 | 兰州三磊电子有限公司 | Outdoor portable X-ray cable flaw detection device |
| CN208833683U (en) * | 2018-08-23 | 2019-05-07 | 合肥易码信息科技有限公司 | A kind of cable defect detection equipment |
| CN113552140A (en) * | 2021-08-11 | 2021-10-26 | 沈阳亨通光通信有限公司 | Liftable online defect detection device of cable |
-
2021
- 2021-11-10 CN CN202111326528.4A patent/CN114295633A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014015490A1 (en) * | 2012-07-26 | 2014-01-30 | 清华大学 | Combined ray non-destructive testing method and system |
| CN104297271A (en) * | 2014-11-10 | 2015-01-21 | 兰州三磊电子有限公司 | Outdoor portable X-ray cable flaw detection device |
| CN208833683U (en) * | 2018-08-23 | 2019-05-07 | 合肥易码信息科技有限公司 | A kind of cable defect detection equipment |
| CN113552140A (en) * | 2021-08-11 | 2021-10-26 | 沈阳亨通光通信有限公司 | Liftable online defect detection device of cable |
Non-Patent Citations (1)
| Title |
|---|
| 李舟等: "对电缆内部缺陷无损探伤的研究", 华南理工大学学报(自然科学版), vol. 24, no. 01, 28 January 1996 (1996-01-28), pages 151 - 156 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117538350A (en) * | 2023-10-26 | 2024-02-09 | 深圳市日联科技有限公司 | Cable X-ray three-dimensional detection device |
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