A cable flaw detection device

Abstract

The utility model discloses a cable flaw detection device, including an insulating box, an arc rod, a cylinder, a first guide wheel, an L-shaped rod, a probe, an opening and closing rod, a second guide wheel, an insulating air duct, a drone connector, an induction switch and an ultrasonic flaw detection module. The utility model has a reasonable structural design. Through three probes distributed in a triangle and connected with the ultrasonic flaw detection module located in the insulating box, the flaw detection inspection surface of the cable is increased at one time, and the flaw detection efficiency is high; through the two first guide wheels at the top and the two second guide wheels at the bottom, it is convenient to roll in contact with the cable surface, ensuring the stability of the flaw detection movement; it is conducive to forming a ring-shaped flaw detection auxiliary structure with convenient opening and closing adjustment; through the wireless signal transmission module and the connection with the drone, the height position of the flaw detection device is adjusted, so as to complete the information transmission of the flaw detection signal information and the equipment operated by the ground personnel, which can meet the needs of remote flaw detection and maintenance of high-altitude cables combined with drones.

Description

Technical Field

[0001] The utility model relates to the technical field of cable flaw detection, in particular to a cable flaw detection device. Background Art

[0002] At present, high-voltage cables erected at high altitudes are an important part of the power grid, so high-voltage cables also need to be regularly inspected and maintained. The existing inspection method is generally for staff to carry out maintenance work on the cables at high altitudes with instruments such as handheld detectors or flaw detectors. The existing cable flaw detection device has a small single flaw detection inspection area, which is not conducive to improving the efficiency of high-altitude cable flaw detection inspections, increases the retention time of high-altitude cable flaw detection inspections, and is inconvenient to connect and contact with the high-altitude cables. It is impossible for personnel to move and deploy the cable flaw detection device, and it cannot be combined with drones for high-altitude cable flaw detection. Therefore, a cable flaw detection device is proposed to address the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a cable flaw detection device in order to solve the above problems.

[0004] The utility model achieves the above-mentioned purpose through the following technical scheme. A cable flaw detection device includes an insulating box, an arc rod, a cylinder, a first guide wheel, a ball head connector, an L-shaped rod, a probe, an opening and closing rod, a second guide wheel, an insulating air duct, a drone connector, an induction switch and an ultrasonic flaw detection module. The insulating box is installed in the middle of the arc rod, and the middle and both ends of the arc rod are installed with probes. The first guide wheels are installed on both sides of the middle of the arc rod, and both ends of the arc rod are movably connected to one end of the two opening and closing rods through a rotating shaft. One end of the L-shaped rod on the opening and closing rod is connected to the push rod end of the cylinder through a ball head connector. A rectangular hole is opened on the side wall of the bent end on the opening and closing rod, and an induction switch is installed in the rectangular hole. The second guide wheel is installed on the inner side of the opening and closing rod.

[0005] Preferably, an ultrasonic flaw detection module, a pneumatic control valve, a battery, a wireless signal transmission module and a controller are provided in the insulating box, and the ultrasonic flaw detection module is electrically connected to the distributed probes.

[0006] Preferably, the control port of the pneumatic control valve is connected to the cylinder through a tube body, and the other control port of the pneumatic control valve is sealed and connected to one end of the insulating air guide tube located in the winding device.

[0007] Preferably, the top of the winding device is fixedly connected to a corresponding part of the external drone through a drone connecting piece.

[0008] Preferably, two cylinders are provided, and the two cylinders are fixedly mounted on both sides of the arc rod respectively.

[0009] Preferably, a surveillance camera is installed on one side of the insulation box.

[0010] The beneficial effects of the utility model are as follows: by connecting three probes distributed in a triangle and with the ultrasonic flaw detection module located in the insulating box, the flaw detection inspection surface of the cable is increased at one time, and the flaw detection efficiency is high; by using the two first guide wheels at the top and the two second guide wheels at the bottom, rolling contact with the cable surface is facilitated, thereby ensuring the stability of the flaw detection movement; it is conducive to forming an annular flaw detection auxiliary structure with convenient opening and closing adjustment; by adjusting the height position of the flaw detection device through the wireless signal transmission module and in combination with the connection with the drone, the information transmission of the flaw detection signal information and the equipment operated by the ground personnel can be completed, which can meet the needs of remote flaw detection and maintenance of high-altitude cables in combination with drones. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the overall partial structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the opening and closing rod of the utility model;

[0015] Figure 4 This is a schematic diagram of the internal structure of the insulation box of the utility model.

[0016] In the figure: 1. Insulation box; 2. Monitoring camera; 3. Arc rod; 4. Cylinder; 5. First guide wheel; 6. Ball head connector; 7. L-shaped rod; 8. Probe; 9. Rotating shaft; 10. Opening and closing rod; 1001. Bend end; 1002. Rectangular hole; 11. Second guide wheel; 12. Insulated air duct; 13. Winding device; 14. UAV connector; 15. Induction switch; 16. Ultrasonic flaw detection module; 17. Pneumatic control valve; 18. Battery; 19. Wireless signal transmission module; 20. Controller. DETAILED DESCRIPTION

[0017] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the embodiment described below is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0019] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] See also Figure 1-3 As shown, a cable flaw detection device includes an insulating box 1, an arc rod 3, a cylinder 4, a first guide wheel 5, a ball head connector 6, an L-shaped rod 7, a probe 8, an opening and closing rod 10, a second guide wheel 11, an insulating air guide tube 12, a drone connector 14, an induction switch 15 and an ultrasonic flaw detection module 16, wherein the insulating box 1 is installed in the middle of the arc rod 3, and the middle and both ends of the arc rod 3 are installed with probes 8;

[0021] The three probes 8 distributed in a triangle are connected to the ultrasonic flaw detection module 16 located in the insulating box 1, so that the flaw detection inspection area of ​​the cable is increased at one time, and the flaw detection efficiency is high.

[0022] like Figure 1 and Figure 2 As shown, first guide wheels 5 are installed on both sides of the middle part of the arc rod 3, and a second guide wheel 11 is installed on the inner side of the opening and closing rod 10;

[0023] The two first guide wheels 5 at the upper part and the two second guide wheels 11 at the lower part facilitate rolling contact with the cable surface, thereby ensuring the stability of the flaw detection movement.

[0024] like Figure 2 and Figure 3 As shown, both ends of the arc rod 3 are movably connected to one end of two opening and closing rods 10 through a rotating shaft 9, one end of the L-shaped rod 7 located on the opening and closing rod 10 is connected to the push rod end of the cylinder 4 through a ball head connector 6, and a rectangular hole 1002 is opened on the side wall of the bent end 1001 located on the opening and closing rod 10, and an induction switch 15 is installed in the rectangular hole 1002;

[0025] When the two symmetrically distributed induction switches 15 sense that there is a cable section between the two bent ends 1001, the induction switch 15 sends a signal to the controller 20. After receiving the signal, the controller 20 issues an instruction to the pneumatic control valve 17, firstly contracting the cylinder 4 to expand the opening rod 10 connected via the L-shaped rod 7 outward so that the cable can enter the range of the arc rod 3, and then extending the cylinder 4 to push the closing rod 10 connected via the L-shaped rod 7 inward, which is conducive to forming an annular flaw detection auxiliary structure with convenient opening and closing adjustment.

[0026] like Figure 4 As shown, the insulating box 1 is provided with an ultrasonic flaw detection module 16, a pneumatic control valve 17, a battery 18, a wireless signal transmission module 19 and a controller 20, and the ultrasonic flaw detection module 16 is electrically connected to the distributed probe 8, the transmission control port of the pneumatic control valve 17 is connected to the cylinder 4 through a pipe body, and the other transmission control port of the pneumatic control valve 17 is sealed and connected to one end of the insulating air guide pipe 12 located in the winding device 13;

[0027] Through the wireless signal transmission module 19, the flaw detection signal information is transmitted to the equipment operated by the ground personnel, which can meet the needs of remote flaw detection and maintenance of high-altitude cables in combination with drones.

[0028] Furthermore, the top of the winding device 13 is fixedly connected to a corresponding part of an external drone via a drone connector 14, so as to facilitate the height adjustment of the flaw detection device in combination with the drone.

[0029] Furthermore, two cylinders 4 are provided, and the two cylinders 4 are fixedly mounted on both sides of the arc rod 3 respectively.

[0030] Furthermore, a monitoring camera 2 is installed on one side of the insulation box 1 .

[0031] When the utility model is in use, the three probes 8 distributed in a triangle are connected to the ultrasonic flaw detection module 16 located in the insulating box 1, thereby increasing the inspection area of ​​the cable flaw detection at one time, and the flaw detection efficiency is high;

[0032] The two first guide wheels 5 at the top and the two second guide wheels 11 at the bottom facilitate rolling contact with the cable surface, thus ensuring the stability of the flaw detection movement;

[0033] When the two symmetrically distributed inductive switches 15 sense that there is a cable section between the two bent ends 1001, the inductive switches 15 send a signal to the controller 20. After receiving the signal, the controller 20 issues an instruction to the pneumatic control valve 17, firstly contracting the cylinder 4 to expand the opening rod 10 connected via the L-shaped rod 7 outward so that the cable enters the range of the arc rod 3, and then extending the cylinder 4 to push the closing rod 10 connected via the L-shaped rod 7 inward, which is conducive to forming an annular flaw detection auxiliary structure with convenient opening and closing adjustment;

[0034] Through the wireless signal transmission module 19, the flaw detection signal information is transmitted to the equipment operated by the ground personnel, which can meet the needs of remote flaw detection and maintenance of high-altitude cables in combination with drones.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0036] As described above, the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A cable flaw detection device, characterized in that: The invention comprises an insulating box (1), an arc rod (3), a cylinder (4), a first guide wheel (5), a ball head connector (6), an L-shaped rod (7), a probe (8), an opening and closing rod (10), a second guide wheel (11), an insulating air duct (12), an unmanned aerial vehicle connector (14), an inductive switch (15) and an ultrasonic flaw detection module (16), wherein the insulating box (1) is installed in the middle of the arc rod (3), and the probes (8) are installed in the middle and both ends of the arc rod (3), and the middle of the arc rod (3) is provided with a plurality of probes (8). A first guide wheel (5) is installed, and both ends of the arc rod (3) are movably connected to one end of two opening and closing rods (10) through a rotating shaft (9), one end of the L-shaped rod (7) located on the opening and closing rod (10) is connected to the push rod end of the cylinder (4) through a ball head connector (6), a rectangular hole (1002) is opened on the side wall of the bent end (1001) located on the opening and closing rod (10), and an induction switch (15) is installed in the rectangular hole (1002), and a second guide wheel (11) is installed on the inner side of the opening and closing rod (10).

2. A cable flaw detection device according to claim 1, characterized in that: The insulating box (1) is provided with an ultrasonic flaw detection module (16), a pneumatic control valve (17), a storage battery (18), a wireless signal transmission module (19) and a controller (20), and the ultrasonic flaw detection module (16) is electrically connected to the distributed probes (8).

3. A cable flaw detection device according to claim 2, characterized in that: The control port of the pneumatic control valve (17) is connected to the cylinder (4) via a pipe body, and the other control port of the pneumatic control valve (17) is sealedly connected to one end of the insulating air guide pipe (12) located in the winding device (13).

4. A cable flaw detection device according to claim 3, characterized in that: The top of the winding device (13) is fixedly connected to a corresponding part of an external drone via a drone connecting piece (14).

5. A cable flaw detection device according to claim 1, characterized in that: Two cylinders (4) are provided, and the two cylinders (4) are respectively fixedly mounted on both sides of the arc rod (3).

6. A cable flaw detection device according to claim 1, characterized in that: A monitoring camera (2) is installed on one side of the insulating box (1).

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