Cable fault detection device

Abstract

The invention discloses a cable fault detection device, which belongs to the technical field of cable detection, and comprises a cable fault detector, a shell, an accommodating groove formed in the top surface of the shell, and a detector adjusting mechanism and a wire core detection frame which are arranged in the shell, the cable fault detector is placed in the containing groove, a through hole is formed in one side of the containing groove, and a detection line of the cable fault detector penetrates out of the through hole and is connected with the detector adjusting mechanism; the detector adjusting mechanism comprises a vertical adjusting part, a horizontal moving part and a first conductive block, the vertical adjusting part is provided with the horizontal moving part, the horizontal moving part is provided with the first conductive block, and the detection line is connected with the first conductive block. According to the invention, the operation convenience and the detection efficiency of multi-core detection are greatly improved.

Description

Technical Field

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

[0002] The cable fault detector is a comprehensive cable fault detection instrument. It can test the high-resistance flashover fault of the cable, high and low resistance grounding, short circuit and cable disconnection, poor contact and other faults. When the cable fault detector detects the cable, it usually uses a wire with an alligator clip to clamp the core of the cable to be tested. After the test is completed, the core is manually replaced to complete the cable fault detection. However, during the test, it is necessary to frequently clamp and replace the cable core, which is inconvenient to operate and has low detection efficiency.

[0003] The patent document with publication number CN 117491908 A discloses a cable fault detection device, which includes a detection unit, a first spring fixedly connected to the detection unit at one end, and a mounting unit fixedly connected to the other end of the first spring; the mounting unit is used to install and fix the cable to be detected, and the cable to be detected enters the detection unit for detection. The invention can realize the functions of batch inspection and one-by-one inspection of the cables to be detected. Through batch inspection, cables that have not failed can be quickly checked, the detection efficiency can be improved, the number of inspections can be greatly reduced, and the burden on the staff can be reduced; however, it cannot realize convenient detection of multiple cores.

[0004] The patent document with the announcement number CN 217981699 U discloses a cable fault detector, which includes a detector body, a base, a sliding seat, an adjustment column and a conductive block. The base is provided with a placement groove for accommodating the detector body, the base is provided with a plurality of connection holes, and the plurality of connection holes constitute a hole group. The hole group is provided with a plurality of groups in an array along the vertical direction. The base is provided with a fixing component for fixing the wire core in the connection hole, the base is provided with a sliding component for driving the sliding seat to slide horizontally, the sliding seat is provided with a height adjustment component for driving the adjustment column to rise and fall, the conductive block is arranged on the side wall of the adjustment column, the conductive block is electrically connected to the detector body through a first conductive component, and the hole wall of the connection hole is provided with a second conductive component for electrically connecting the wire core to the conductive block. The application has the effect of facilitating the replacement of the wire core to be tested and improving the detection efficiency. However, when detecting the wire core, it relies on manual switching of the connection relationship between the wire core and the detection instrument, the operation is still not convenient enough, and the detection efficiency needs to be further improved. Summary of the invention

[0005] In view of this, the present invention aims at the deficiencies of the prior art and provides a convenient and efficient cable fault detection device.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a cable fault detection device, including a cable fault detector, and also including a shell, a receiving groove opened on the top surface of the shell, and a detector adjustment mechanism and a wire core detection frame arranged in the shell; the cable fault detector is placed in the receiving groove, a through hole is arranged on one side of the receiving groove, and the detection line of the cable fault detector passes through the through hole and is connected to the detector adjustment mechanism; the detector adjustment mechanism includes a vertical adjustment component, a horizontal moving component and a first conductive block, the horizontal moving component is arranged on the vertical adjustment component, the first conductive block is arranged on the horizontal moving component, and the detection line is connected to the first conductive block.

[0007] Furthermore, the wire core detection frame includes a disc, a bracket and a driving motor. The disc is rotatably arranged on the inner bottom of the shell through the bracket. The disc is driven by the driving motor. A plurality of groups of detection holes are radially opened on the disc. The plurality of detection holes in each group are evenly distributed along the center of the disc. A second conductive block is arranged at one end of each detection hole close to the detector adjustment mechanism, and a fixing component is arranged at one end away from the detector adjustment mechanism.

[0008] Preferably, the vertical adjustment component is a lifting rod, and the lifting rod is an electric lifting rod or a pneumatic lifting rod;

[0009] Preferably, the vertical adjustment component includes a base block, a screw, a guide rod and a crank. The screw is rotatably arranged between the top and bottom surfaces of the shell, and the upper end passes through the shell and is connected to the crank. The base block is threadedly connected to the screw, the guide rod is arranged parallel to the screw, a through hole is opened on the base block for the guide rod to pass through, and the horizontal moving component is arranged on the base block.

[0010] Preferably, the horizontal moving component is a telescopic rod, and the telescopic rod is an electric telescopic rod or a pneumatic telescopic rod;

[0011] Preferably, the horizontal moving component includes a screw sleeve, an insulating column, a limit piece and a rotating motor, the rotating shaft of the rotating motor is fixedly connected to one side of the screw sleeve, the insulating column is threadedly connected to the inside of the screw sleeve, the first conductive block is arranged at the outer end of the insulating column, a plurality of limit grooves are provided on the first conductive block, a plurality of limit blocks are arranged on the inner side of the limit piece, and the limit blocks are slidably connected in the limit grooves.

[0012] Furthermore, the bracket includes a vertical pole, a bearing sleeve is arranged at the end of the vertical pole, and a shaft body is arranged at the center of one side of the disc close to the detector adjustment mechanism, and the shaft body is connected to the bearing sleeve; the circumferential side of the disc has gear teeth, and a driving gear is arranged on the output shaft of the driving motor, and the driving gear is meshed with the gear teeth for transmission.

[0013] Furthermore, the vertical adjustment component is aligned with the vertical pole, and the horizontal movement component is higher than the vertical pole.

[0014] Furthermore, the fixing component includes a cylinder, a claw ring, a pressing piece and an elastic support ring, the cylinder is fixedly connected to the outer edge of the detection hole, the inner diameter of the cylinder is the same as the inner diameter of the detection hole, a first groove is opened in the cylinder, a claw ring and an elastic support ring are sequentially arranged in the first groove, a second groove is opened in the end of the cylinder away from the detection hole, one end of the pressing piece is located outside the cylinder, and the other end is inserted into the first groove and abuts against the claw ring, a limiting ring is arranged on the pressing piece, and the limiting ring is located in the second groove.

[0015] Furthermore, a transparent protective plate is hinged on one side of the edge of the top surface of the accommodating groove.

[0016] Furthermore, a storage battery is arranged in the shell at the lower part of the accommodating groove for supplying power to the cable fault detector.

[0017] Furthermore, legs are arranged at four corners of the bottom of the shell, a universal roller is arranged at the bottom of each leg, and a handle is arranged at one side of the shell.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. In the cable fault detection device of the present invention, the cable fault detector is arranged in the accommodating groove on the top surface of the shell, and the detector adjustment mechanism and the wire core detection frame are arranged in the shell. The detector adjustment mechanism is used for adjusting the height of the detection terminal of the detector on the one hand to switch the wire core groups at different radii on the wire core detection frame, and is used for docking detection with the wire core on the other hand; the wire core detection frame drives multiple groups of wire cores to move slowly in a circle through a driving motor, thereby facilitating automatic detection of the wire cores one by one, thereby improving operational convenience and detection efficiency.

[0020] 2. In the cable fault detection device of the present invention, after the vertical adjustment component adjusts the height of the first conductive block, the horizontal moving component controls the first conductive block to move toward the detection hole, and contacts with the second conductive block for detection. After the detection is completed, it moves away from the second conductive block to wait for the next wire core to reach the position corresponding to the first conductive block. Through the coordination of the vertical adjustment component, the horizontal moving component and the wire core detection frame, automatic detection of multiple wire cores can be achieved, thereby improving detection efficiency.

[0021] 3. In the cable fault detection device of the present invention, a fixing component is provided at one end of the detection hole away from the detector adjustment mechanism, which is used to fix the wire core inserted in the detection hole to prevent it from falling off and affecting the detection. When fixing, the outer end of the pressing piece is pressed to make the inner end of the pressing piece squeeze the claw ring, thereby not affecting the wire core from entering the detection hole. After releasing the pressure, the claw ring returns to its original shape under the action of the elastic support ring, thereby fixing the wire core. The operation is convenient and the fixation is reliable.

[0022] 4. The cable fault detection device of the present invention has a transparent protective plate hinged on one side of the edge of the top surface of the accommodating groove, which can not only protect the cable fault detector but also does not affect the display of the detection result; a battery is arranged at the lower part of the accommodating groove in the shell for powering the cable fault detection device; supporting legs are arranged at the four corners of the bottom of the shell, and a universal roller is arranged at the bottom of each leg, and a handle is arranged on one side of the shell to improve the mobility of the detection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of Embodiment 1 of the present invention;

[0024] Figure 2 yes Figure 1 Sectional view in the AA direction;

[0025] Figure 3 yes Figure 2 A magnified view of the part A in the middle;

[0026] Figure 4 is a cross-sectional view of a fixing component in Embodiment 1 of the present invention;

[0027] Figure 5 is a schematic structural diagram of Embodiment 2 of the present invention;

[0028] Figure 6 yes Figure 5 Sectional view in the AA direction;

[0029] In the figure: 1-shell, 2-accommodating groove, 3-transparent protective plate, 4-detection line, 5-first conductive block, 6-battery, 7-leg, 8-universal roller, 9-handle, 10-disc, 11-drive motor, 12-round hole, 13-detection hole, 14-second conductive block, 15-fixed component, 151-cylinder, 152-claw ring, 153-pressing piece, 154-elastic support ring, 155-first trough body, 156-second trough body, 157-limiting ring, 16-vertical pole, 17-gear teeth, 18-driving gear, 19-base block, 20-screw, 21-guide rod, 22-crank handle, 23-screw sleeve, 24-insulating column, 25-limiting piece, 26-rotating motor, 27-limiting block, 28-electric lifting rod, 29-electric telescopic rod, 30-control panel. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the present invention.

[0031] Example 1

[0032] like Figures 1 to 4 As shown, in the cable fault detection device, a receiving groove 2 is provided on the top surface of the housing 1, and a cable fault detector is placed in the receiving groove 2. A transparent protective plate 3 is hinged on one side of the edge of the top surface of the receiving groove 2, which is convenient for observing the indication and can protect the detector. A detector adjustment mechanism and a wire core detection frame are arranged in the housing 1; a through hole is arranged on one side of the receiving groove 2, and a detection line 4 of the cable fault detector passes through the through hole and is connected to the detector adjustment mechanism; the detector adjustment mechanism includes a vertical adjustment component, a horizontal moving component and a first conductive block 5, a horizontal moving component is arranged on the vertical adjustment component, a first conductive block 5 is arranged on the horizontal moving component, and the detection line 4 is connected to the first conductive block 5. A battery 6 is arranged at the lower part of the receiving groove 2 in the housing 1, which is used to power the cable fault detection device for outdoor use. Support legs 7 are arranged at the four corners of the bottom of the housing 1, and a universal roller 8 is arranged at the bottom of each support leg 7. A handle 9 is arranged on one side of the housing 1 for easy movement and convenient operation.

[0033] The wire core detection frame includes a disc 10, a bracket and a driving motor 11. A circular hole 12 is opened on the side of the shell 1, and the disc 10 corresponds to the circular hole 12. The disc 10 is rotatably arranged at the inner bottom of the shell 1 through the bracket. The disc 10 is driven by the driving motor 11. Two groups of detection holes 13 are opened in the radial direction on the disc 10. The multiple detection holes 13 in each group are evenly distributed along the center of the disc 10. A second conductive block 14 is arranged at one end of each detection hole 13 close to the detector adjustment mechanism, and a fixing component 15 is arranged at the end away from the detector adjustment mechanism. Preferably, the fixing member 15 comprises a cylinder 151, a claw ring 152, a pressing member 153 and an elastic support ring 154. The cylinder 151 is fixedly connected to the outer edge of the detection hole 13. The inner diameter of the cylinder 151 is the same as that of the detection hole 13. A first groove 155 is provided in the cylinder 151. The claw ring 152 and the elastic support ring 154 are arranged in sequence in the first groove 155. A second groove 156 is provided at one end of the cylinder 151 away from the detection hole 13. One end of the pressing member 153 is located outside the cylinder 151, and the other end is inserted into the first groove 155 and abuts against the claw ring 152. A limiting ring 157 is provided on the pressing member 153, and the limiting ring 157 is limited in the second groove 156. The claw ring 152 is composed of a circular ring and claw teeth arranged on its inner edge; the pressing member 153 is composed of a circular ring and a cylinder in one body, and the bottom cross section of the cylinder is wedge-shaped.

[0034] The bracket includes a vertical rod 16, a bearing sleeve is arranged at the end of the vertical rod 16, a shaft body is arranged at the center of one side of the disk 10 close to the detector adjustment mechanism, and the shaft body is connected to the bearing sleeve; the disk 10 has gear teeth 17 on the circumference, and a driving gear 18 is arranged on the output shaft of the driving motor 11, and the driving gear 18 is meshed with the gear teeth 17 for transmission. The vertical adjustment component is aligned with the vertical rod 16, and the horizontal moving component is higher than the vertical rod 16 and the bearing sleeve.

[0035] The vertical adjustment component includes a base block 19, a screw rod 20, a guide rod 21 and a crank 22. The screw rod 20 is rotatably arranged between the top and bottom surfaces of the shell 1, and the upper end passes through the shell 1 and is connected to the crank 22. The base block 19 is threadedly connected to the screw rod 20, and the guide rod 21 is arranged parallel to the screw rod 20. A through hole is opened on the base block 19 for the guide rod 21 to pass through, and the horizontal moving component is arranged on the base block 19.

[0036] The horizontal moving component includes a screw sleeve 23, an insulating column 24, a limit piece 25 and a rotating motor 26. The rotating shaft of the rotating motor 26 is fixedly connected to one side of the screw sleeve 23. The insulating column 24 is threadedly connected to the inside of the screw sleeve 23. The first conductive block 5 is arranged at the outer end of the insulating column 24. A plurality of limit grooves are provided on the first conductive block 5. The limit piece 25 is annular and has two limit blocks 27 arranged inside. The limit blocks 27 are slidably connected in the limit grooves. The limit piece 25 is arranged on the base block 19.

[0037] The cable fault detection device of the embodiment of the present invention is used. When using, multiple wire cores to be detected are inserted into the detection hole 13 in sequence. The wire cores are fixed by the claw ring 152 of the fixing component 15 to prevent them from falling off. The initial position of the first conductive block 5 is aligned with the detection hole 13 on the uppermost side of the disk 10. When detecting, the screw sleeve 23 of the horizontal moving component is controlled to rotate, and the insulating column 24 is horizontally moved toward the detection hole by the action of the limiting member 25, so that the first conductive block 5 is connected with the second conductive block 14, and the cable fault detector is operated to detect, and then the screw sleeve 23 is controlled in the reverse direction. The sleeve 23 rotates to separate the first conductive block 5 from the second conductive block 14, and the driving motor 11 drives the disc 10 to rotate a certain angle to detect the next wire core until the outer group of wire cores are detected; then, by rotating the crank 22, the first conductive block 5 on the base block 19 is lowered to the height of the inner group of wire cores, and the horizontal moving part and the wire core detection frame are operated to repeat the above detection method until the inner group of wire cores are detected, and then the pressing piece 153 of the fixing part 15 is pressed to take the wire cores out of the detection hole 13 in turn. Compared with the traditional detection method, the operation convenience and detection efficiency of the cable fault detection device of the present invention are greatly improved.

[0038] Example 2

[0039] like Figures 5-6 As shown, the cable fault detection device of the embodiment of the present invention is different from the embodiment 1 in that: the vertical adjustment component is an electric lifting rod 28, which can also be a pneumatic lifting rod in other embodiments; the horizontal moving component is an electric telescopic rod 29, which can also be a pneumatic telescopic rod in other embodiments;

[0040] The embodiment of the present invention also has a controller, and the electric lifting rod 28, the electric telescopic rod 29, and the driving motor 11 are all connected to the controller signal, that is, the vertical adjustment component, the horizontal moving component and the wire core detection frame are automatically controlled by the controller. A control panel 30 is also provided on the shell 1. The control panel 30 includes a first control module for controlling the vertical adjustment component to switch the inner and outer layer wire core detection, a second control module for controlling the horizontal moving component to approach or move away from the detection hole, and a third control module for controlling the wire core detection frame to rotate a certain angle. The three control modules can be manually operated or controlled by a program to realize automatic sequential work, thereby further improving the convenience and efficiency of multi-wire core detection.

[0041] The above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, a person skilled in the art can still modify or make equivalent substitutions to the specific implementations of the present invention. Any modifications or equivalent substitutions that do not depart from the spirit and scope of the present invention are within the scope of protection of the claims of the present invention to be approved.

Claims

1. A cable fault detection device, comprising a cable fault detector, characterized in that: It also includes a shell, a receiving groove provided on the top surface of the shell, and a detector adjustment mechanism and a wire core detection frame arranged in the shell; The cable fault detector is placed in the receiving groove, a through hole is provided on one side of the receiving groove, a detection line of the cable fault detector passes through the through hole and is connected to the detector adjustment mechanism; The detector adjustment mechanism comprises a vertical adjustment component, a horizontal moving component and a first conductive block. The vertical adjustment component is provided with the horizontal moving component, the first conductive block is provided with the horizontal moving component, and the detection line is connected to the first conductive block.

2. The cable fault detection device according to claim 1, characterized in that: The wire core detection frame includes a disc, a bracket and a driving motor. The disc is rotatably arranged on the inner bottom of the shell through the bracket. The disc is driven by the driving motor. A plurality of groups of detection holes are radially arranged on the disc. The plurality of detection holes in each group are evenly distributed along the center of the disc. A second conductive block is arranged at one end of each detection hole close to the detector adjustment mechanism, and a fixing component is arranged at one end away from the detector adjustment mechanism.

3. The cable fault detection device according to claim 1, characterized in that: The vertical adjustment component is a lifting rod, and the lifting rod is an electric lifting rod or a pneumatic lifting rod; Or it includes a base block, a screw rod, a guide rod and a crank, wherein the screw rod is rotatably arranged between the top surface and the bottom surface of the shell, and the upper end passes through the shell and is connected to the crank, the base block is threadedly connected to the screw rod, the guide rod is arranged parallel to the screw rod, the base block is provided with a through hole for the guide rod to pass through, and the horizontal moving component is arranged on the base block.

4. The cable fault detection device according to claim 1, characterized in that: The horizontal moving component is a telescopic rod, and the telescopic rod is an electric telescopic rod or a pneumatic telescopic rod; Or it includes a screw sleeve, an insulating column, a limit piece and a rotating motor, wherein the rotating shaft of the rotating motor is fixedly connected to one side of the screw sleeve, the insulating column is threadedly connected to the inside of the screw sleeve, the first conductive block is arranged at the outer end of the insulating column, a plurality of limit grooves are provided on the first conductive block, a plurality of limit blocks are arranged on the inner side of the limit piece, and the limit blocks are slidably connected in the limit grooves.

5. The cable fault detection device according to claim 2, characterized in that: The bracket includes a vertical pole, a bearing sleeve is arranged at the end of the vertical pole, a shaft body is arranged at the center of one side of the disk close to the detector adjustment mechanism, and the shaft body is connected to the bearing sleeve; the circumference of the disk is provided with gear teeth, and a driving gear is arranged on the output shaft of the driving motor, and the driving gear is meshed with the gear teeth for transmission.

6. The cable fault detection device according to claim 5, characterized in that: The vertical adjustment component is aligned with the vertical pole, and the horizontal movement component is higher than the vertical pole.

7. The cable fault detection device according to claim 2, characterized in that: The fixing component includes a cylinder, a claw ring, a pressing piece and an elastic support ring. The cylinder is fixedly connected to the outer edge of the detection hole. The inner diameter of the cylinder is the same as the inner diameter of the detection hole. A first groove is provided in the cylinder, and a claw ring and an elastic support ring are sequentially arranged in the first groove. A second groove is provided at one end of the cylinder away from the detection hole. One end of the pressing piece is located outside the cylinder, and the other end is inserted into the first groove and abuts against the claw ring. A limiting ring is arranged on the pressing piece, and the limiting ring is located in the second groove.

8. The cable fault detection device according to claim 1, characterized in that: A transparent protective plate is hinged on one side of the edge of the top surface of the accommodating groove.

9. The cable fault detection device according to claim 1, characterized in that: A storage battery is arranged in the shell at the lower part of the receiving slot, and is used to supply power to the cable fault detector.

10. The cable fault detection device according to claim 1, characterized in that: Support legs are arranged at four corners of the bottom of the shell, a universal roller is arranged at the bottom of each support leg, and a handle is arranged at one side of the shell.

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