Cable core fault diagnosis and detection device and method

Abstract

The invention belongs to the technical field of detection devices, and particularly discloses a cable core fault diagnosis and detection device and method.The cable core fault diagnosis and detection device comprises a detector body, the top of the detector body is connected with a protective cover through a hinge, and the protective cover is used for protecting the internal structure of the detector body; and the display screen and the keys are arranged at the top end in the detector body and are used for setting and displaying detection parameters. The first pressing block and the second pressing block drive the moving mechanism to move, so that the fixing block can move to the bottom of the detector body, the height of the detector body is increased, and the detector body can be prevented from being in direct contact with the wet ground through the fixing block; according to the detector, the moisture ground is prevented from damaging the electrical insulation performance, interfering signal transmission and increasing the operation safety risk, meanwhile, the moving mechanism pushes the supporting mechanisms to move to the two sides of the detector body to support and limit the detector body, and the stability of the detector body is further improved.

Description

Technical Field

[0001] This invention belongs to the field of detection device technology, and specifically relates to a cable core fault diagnosis and detection device and method. Background Technology

[0002] The cable core fault detection device is mainly used to detect faults such as continuity, short circuit, and incorrect connection of cable cores. The core equipment is a cable alignment device, which can detect incorrect connection faults such as mismatched core numbers. It can quickly identify the fault type through timing pulse signals or resistance comparison method. It is suitable for complex electromagnetic environments such as substations. It reduces the impact of temperature drift and improves anti-interference ability through metal film resistors.

[0003] In existing technology, when performing power cable testing, one end of the test cable harness is first plugged into the test end of the cable fault detector, and then the power clamp connecting the test cable harness is clamped onto the end of the external cable to be tested. Then the machine is turned on and the cable is connected for diagnostic testing. However, there is often water accumulation, dew, or damp dust on the ground at the site (such as outdoors during the rainy season or at the bottom of cable trenches). The bottom of the detector body is in direct contact with the damp ground or water accumulation, which can easily damage the electrical insulation performance, interfere with signal transmission, and increase the operational safety risks.

[0004] Therefore, it is necessary to invent a cable core fault diagnosis and detection device and method to solve the above problems. Summary of the Invention

[0005] To address the aforementioned problems, this invention provides a cable core fault diagnosis and detection device and method to solve the issues raised in the background section.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a cable core fault diagnosis and detection device and method, comprising a detector body, with a protective cover connected to the top via a hinge to protect the internal structure of the detector body; The connection port, located on the main body of the detector, is used to connect wires to test the cable; An adjustment support assembly is installed on the detector body to adjust the height of the detector body. The adjustment support assembly includes a first button, a second button, a moving mechanism, and a support mechanism. The first button is located on the side of the display screen away from the connection port, and the second button is located on the outside of the connection port. A moving mechanism is located at the bottom of the first button and the second button to drive the moving mechanism to move. Support mechanisms are located on both sides of the moving mechanism to support and limit the detector body.

[0007] Furthermore, the detector body is equipped with a display screen and buttons. Slide grooves are provided on both sides of the display screen and buttons and inside the detector body. The first button and the second button are slidably connected to the slide grooves. An installation groove is provided inside the bottom of the detector body. The slide groove is connected to the installation groove. A fixing plate is fixedly connected to the inner wall of the bottom of the slide groove. The support mechanism is symmetrically arranged on both sides of the detector body.

[0008] Furthermore, the moving mechanism includes a moving rod, a compression spring, a moving block, and a fixed block; Both the first and second buttons have a fixed moving rod at their bottom. The bottom end of the moving rod passes through the fixed plate and is fixedly connected to a moving block. A compression spring is sleeved on the outside of the moving rod. A fixed block is fixedly connected to the bottom of the moving block. Both the moving block and the fixed block are slidably connected to the inner wall of the mounting groove.

[0009] Furthermore, a protective plate is rotatably connected to the top of the second button, and an opening is provided in the middle of the second button and at the bottom of the protective plate. The protective plate, the opening, and the connection port are correspondingly provided. Two moving rods are provided at both ends of the bottom of the second button, and limiting rods are provided on both sides of the moving rods. The top of the limiting rods is fixedly connected to the first button and the second button, and the limiting rods are connected to the fixed plate through limiting components.

[0010] Furthermore, first magnetic blocks are fixedly connected to both sides of the movable block and the inner walls of both sides of the mounting groove, and the first magnetic blocks are magnetically connected to each other. Both sides of the movable block near the movable rod are inclined surfaces.

[0011] Furthermore, the support mechanism includes a telescopic plate, a movable block, a connecting plate, and a connecting spring; Movable blocks are provided on both sides of the fixed block. A telescopic plate is hinged to the top of the movable block. Grooves are provided on both sides of the detector body. The top of the telescopic plate is rotatably connected to the inner wall of the groove. The telescopic plate is vertical in the groove. The movable block is slidably connected to the inner wall of the mounting groove through the connecting plate. The connecting plate is fixedly connected to the movable block through the connecting spring.

[0012] Furthermore, the movable block has a sloping side near the fixed block, and two slots are provided at the bottom of the movable block. A movable rod is movably connected to the fixed block near the movable block, and a telescopic block is fixedly connected to the movable rod. A second magnetic block is fixedly connected to the top of the telescopic block and the slot, and the second magnetic blocks are magnetically connected to each other.

[0013] Furthermore, both the first and second buttons have a limiting structure on the side away from the display screen. The limiting structure includes a mounting bracket, a rotating rod, and a telescopic rod. The mounting bracket is set on the inner wall of the detector body. The rotating rod is rotatably connected to the top of the mounting bracket, and the telescopic rod is fixedly connected to the bottom of the mounting bracket.

[0014] Furthermore, the mounting bracket is U-shaped, and the mounting bracket and the telescopic rod are vertical. The top of the first and second blocks are both provided with limiting holes, and the telescopic rod is inserted into the limiting holes.

[0015] A detection method for a cable core fault diagnosis and detection device, applied to the aforementioned cable core fault diagnosis and detection device, includes the following steps: Step 1: Open the protective cover, rotate the protective plate to expose the connection port, insert one end of the wire into the connection port, so that the clip on the other end of the wire clamps the cable to be tested, start the tester, set the parameters through the buttons, and make the tester test the cable. Step 2: In the initial state, the mounting bracket is set horizontally, and the telescopic rod is inserted into the limiting hole to limit the first and second buttons. When the ground is wet and the height of the detector body needs to be adjusted, the telescopic rod is retracted and no longer inserted into the limiting hole. Then, the mounting bracket and the telescopic rod are rotated to the vertical state so that the mounting bracket and the telescopic rod rotate to the inner wall of the detector body and no longer limit the first and second buttons. Step 3: Press down on the first and second buttons simultaneously to push the moving mechanism downwards, so that the fixed block moves to the bottom of the detector body, increasing the height of the detector body, and then place the fixed block on the ground; Step 4: When the moving mechanism moves, it pushes the support mechanism to move to both sides of the detector body. At the same time, through the action of the movable rod, telescopic block and the second magnetic block, the support mechanism can support and limit the detector body, so that after the fixed block is placed on the ground, the stability of the detector body is improved. Then, by setting the parameters by the button, the detector body can continue to perform detection.

[0016] The technical effects and advantages of this invention are as follows: This invention uses a first and a second push block to drive a moving mechanism, allowing a fixed block to move to the bottom of the detector body, increasing the height of the detector body. The fixed block prevents the detector body from directly contacting the damp ground, thus preventing the damp ground from damaging the electrical insulation performance, interfering with signal transmission, and increasing operational safety risks. At the same time, the moving mechanism pushes the support mechanism to both sides of the detector body, supporting and limiting the detector body, further improving the stability of the detector body and enhancing the detection effect of the detector body. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present invention; Figure 2 This is a structural diagram of the detector body according to an embodiment of the present invention; Figure 3 This is a cross-sectional view of the detector body according to an embodiment of the present invention; Figure 4 This is a structural diagram of the first button block, the second button block, and the moving mechanism according to an embodiment of the present invention; Figure 5 This is an internal structural diagram of the groove and mounting slot according to an embodiment of the present invention; Figure 6 This is a structural diagram of the moving mechanism according to an embodiment of the present invention; Figure 7 This is a structural diagram of a defined structure according to an embodiment of the present invention; Figure 8 This is a structural diagram of the support mechanism according to an embodiment of the present invention; Figure 9 This is a structural diagram of the physical movable block, fixed block, telescopic block, and movable rod according to an embodiment of the present invention.

[0018] In the diagram: 1. Detector body; 2. Protective cover; 3. Connection port; 4. First button; 5. Second button; 6. Fixing plate; 7. Moving rod; 8. Compression spring; 9. Moving block; 10. Fixing block; 11. Protective plate; 12. Limiting rod; 13. First magnetic block; 14. Telescopic plate; 15. Movable block; 16. Connecting plate; 17. Connecting spring; 18. Movable rod; 19. Second magnetic block; 20. Telescopic block; 21. Mounting bracket; 22. Telescopic rod; 23. Limiting hole; 24. Third magnetic block. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0020] This invention provides a cable core fault diagnosis and detection device, such as... Figures 1 to 5 As shown, the device includes a detector body 1, a display screen, buttons, a connection port 3, and an adjustment support assembly. A protective cover 2 is hinged to the top of the detector body 1 to protect its internal structure. The display screen and buttons are located at the top inside the detector body 1, with the buttons positioned below the display screen for setting and displaying test parameters. The connection port 3 is fixedly connected to the detector body 1, located to the side of the display screen and buttons, and is used to connect wires for cable testing. The adjustment support assembly is mounted on the detector body 1 for adjusting its height. The adjustment support assembly includes a first button 4 and a second button 5. Block 5, moving mechanism and support mechanism, a first button 4 is provided on the side of the display screen away from the connection port 3, a second button 5 is provided on the outside of the connection port 3, a moving mechanism is provided at the bottom of the first button 4 and the second button 5 to drive the moving mechanism to move, a support mechanism is provided on both sides of the moving mechanism to support the limiting detector body 1, a sliding groove is provided on both sides of the detector body 1, the first button 4 and the second button 5 are slidably connected to the sliding groove, an installation groove is provided inside the bottom end of the detector body 1, the sliding groove is connected to the installation groove, a fixing plate 6 is fixedly connected to the inner wall of the bottom end of the sliding groove, and the support mechanism is symmetrically arranged on both sides of the detector body 1.

[0021] The protective cover 2 protects the display screen, buttons, and connection port 3 from damage, preventing them from affecting the performance. The connection port 3 connects to the wires, allowing the clips on the wires to clamp the cable to be tested. The movement of the first button 4 and the second button 5 moves the moving mechanism to the bottom of the detector body 1, increasing the height of the detector body 1 and preventing the bottom of the detector body 1 from directly contacting the wet ground, interfering with signal transmission, and affecting the use of the detector body 1. When the moving mechanism moves, it drives the support mechanism to move, so that the support mechanism supports and limits the detector body 1 on both sides. The support mechanism supports and limits the detector body 1, improving its stability and preventing it from tipping over, which would affect its use.

[0022] During normal use, first rotate the protective cover 2 to open the detector body 1. Connect one end of the wire to the connection port 3, and clamp the cable with the clip at the other end. Press the button to start the detector body 1, set the parameters, and test the cable. When encountering a wet ground, after opening the protective cover 2, press the first button 4 and the second button 5 at the same time. Since the slide is connected to the mounting groove, the first button 4 and the second button 5 move down along the slide and push the moving mechanism to the bottom of the detector body 1. Then place the fixing block 10 on the wet ground. At the same time, the moving mechanism pushes the support mechanism to both sides of the detector body 1. After the detector body 1 is placed on the ground by the fixing block 10, the support mechanism supports and limits the detector body 1, improving the stability of the detector body 1 after adjusting the height. Then connect the wire to the connection terminal and connect the cable with the clip for testing.

[0023] like Figures 3 to 6 As shown, the moving mechanism includes a moving rod 7, a compression spring 8, a moving block 9, and a fixed block 10; Both the first button 4 and the second button 5 have a fixedly connected moving rod 7 at their bottom. The bottom end of the moving rod 7 passes through the fixed plate 6 and is fixedly connected to a moving block 9. A compression spring 8 is sleeved on the outside of the moving rod 7. The two ends of the compression spring 8 are fixedly connected to the first button 4, the second button 5, and the fixed plate 6, respectively. A fixed block 10 is fixedly connected to the bottom of the moving block 9. The moving block 9 and the fixed block 10 are slidably connected to the inner wall of the mounting groove. First magnetic blocks 13 are fixedly connected to both sides of the moving block 9 and the inner walls of both sides of the mounting groove. The first magnetic blocks 13 are magnetically connected to each other. The two sides of the moving block 9 near the moving rod 7 are all inclined surfaces.

[0024] The movable block 9 and the fixed block 10 are connected by the movable rod 7. When the first button 4 and the second button 5 move, the movable rod 7, the movable block 9 and the fixed block 10 will move simultaneously, and the compression spring 8 will be squeezed. The compression spring 8 will push the movable block 9 and the fixed block 10 downward. When the fixed block 10 moves downward, the two first magnetic blocks 13 separate, so that the fixed block 10 moves to the bottom of the detector body 1, increasing the height of the detector body 1. When the first button 4 and the second button 5 move upward, under the force of the compression spring 8, the movable block 9 and the fixed block 10 can be moved to their original positions, so that the fixed block 10 moves into the detector body 1 for storage and protection. Due to the magnetic attraction between the first magnetic blocks 13, the fixed block 10 can be fixed in the mounting groove to prevent the fixed block 10 from being damaged. This makes it inconvenient to adjust the height of the detector body 1 and inconvenient to use the detector body 1 on wet ground.

[0025] like Figures 2 to 6 As shown, a protective plate 11 is rotatably connected to the top of the second button 5. An opening is provided in the middle of the second button 5 and at the bottom of the protective plate 11. The protective plate 11, the opening, and the connection port 3 are correspondingly arranged. Two moving rods 7 are provided at both ends of the bottom of the second button 5. A limiting rod 12 is provided on both sides of the moving rod 7. The top of the limiting rod 12 is fixedly connected to the first button 4 and the second button 5. A limiting groove is provided on the fixed plate 6. The limiting member is connected to the fixed plate 6 through a limiting member. The limiting member includes two third magnetic blocks 24. The bottom of the limiting rod 12 and the bottom of the limiting groove are both fixedly connected to the third magnetic blocks 24. The two third magnetic blocks 24 are magnetically connected to each other.

[0026] There are three connection ports 3. The number of movable ports and protective plates 11 is the same as that of connection ports 3, and they are set one-to-one. The protective plates 11 can protect the connection ports 3. When installing wires, only the corresponding protective plate 11 needs to be opened, and then the wires are connected to the corresponding connection ports 3. The other connection ports 3 are still protected by the protective plates 11 to prevent dust and impurities from entering the ports, which would make the wire connection unstable, resulting in poor contact and affecting the detection effect. When the first button 4 and the second button 5 drive the moving rod 7 and the limiting rod 12 to move downward, the limiting rod 12 is inserted into the limiting slot, and the two third magnetic blocks 24 are magnetically attracted, which can limit the movement of the first button 4 and the second button 5, so that the moving rod 7 can push the moving block 9 and the fixed block 10 to move stably.

[0027] like Figure 3 , Figure 4 , Figure 5 , Figure 8 and Figure 9 As shown, the support mechanism includes a telescopic plate 14, a movable block 15, a connecting plate 16, and a connecting spring 17; Movable blocks 15 are provided on both sides of the fixed block 10. A telescopic plate 14 is hinged to the top of the movable block 15. Grooves are provided on both sides of the detector body 1. The top of the telescopic plate 14 is rotatably connected to the inner wall of the groove. The telescopic plate 14 is vertical in the groove. A movable groove is provided on the top of the movable block 15 away from the telescopic plate 14. A connecting plate 16 is slidably connected in the movable groove. The top of the connecting plate 16 is fixedly connected to the inner wall of the top of the mounting groove. A connecting spring 17 is fixedly connected to one side of the connecting plate 16. One end of the connecting spring 17 is fixedly connected to the inner wall of the movable groove. The movable block 15 is inclined on the side near the fixed block 10. Two slots are provided at the bottom of the movable block 15. A movable rod 18 is movably connected to the side of the fixed block 10 near the movable block 15. A telescopic block 20 is fixedly connected to the movable rod 18. One end of the telescopic block 20 is located between the movable block 15 and the fixed block 10. The other end is located inside the fixed block 10. A second magnetic block 19 is fixedly connected to the top of the telescopic block 20 and the slot respectively. The second magnetic blocks 19 are magnetically connected to each other.

[0028] The groove facilitates the storage of the telescopic plate 14. When the fixed block 10 moves to the bottom of the detector body 1, since both the moving block 9 and the movable block 15 are inclined on the side near the fixed block 10, when the moving block 9 moves downward, it moves along the inclined surface and squeezes the movable block 15 to move outward of the detector body 1, thereby driving the connecting plate 16 to move along the movable groove, squeezing the connecting spring 17, and at the same time causing the telescopic plate 14 to deflect and stretch, so that the telescopic plate 14 rotates to an inclined state, supporting and limiting both sides of the detector body 1. In the initial state, since one end of the telescopic block 20 is located between the movable block 15 and the fixed block 10, and the other end is located inside the fixed block 10, when the fixed block 10 moves to the bottom of the detector body 1, the movable block 15 moves to both sides of the detector body 1. At this time, the telescopic block 20 is pulled to drive the movable rod 18 to move, so that the telescopic block 20 moves to the bottom of the movable block 15 and is pulled into the slot. The movable block 15 is limited by the action of the second magnetic block 19, thereby improving the stability of the movable block 15 and the telescopic plate 14 in supporting and limiting the detector body 1.

[0029] like Figure 2 , Figure 7 As shown, both the first button 4 and the second button 5 have a limiting structure on the side away from the display screen. The limiting structure includes a mounting frame 21, a rotating rod, and a telescopic rod 22. The mounting frame 21 is set on the inner wall of the detector body 1. The top of the mounting frame 21 is fixedly connected to the rotating rod, and both ends of the rotating rod are rotatably connected to the mounting blocks. The mounting blocks are fixedly connected to the inner wall of the detector body 1. The bottom of the mounting frame 21 is fixedly connected to the telescopic rod 22. The mounting frame 21 is U-shaped, and the telescopic rod 22 is located at both ends of the bottom of the mounting frame 21. The mounting frame 21 and the telescopic rod 22 are in a vertical state. The top of both the first button 4 and the second button 5 have a limiting hole 23, and the telescopic rod 22 is inserted into the limiting hole 23.

[0030] The mounting block facilitates the installation of the mounting frame 21 and the telescopic rod 22 onto the detector body 1. The rotating rod allows the mounting frame 21 to drive the telescopic rod 22 to rotate. The U-shaped mounting frame 21 connects to the telescopic rod 22. When the mounting frame 21 drives the telescopic rod 22 to a horizontal position, the telescopic rod 22 can limit the first button 4 and the second button 5. In the initial state, the tops of the first button 4 and the second button 5 are located at the top of the slide groove, and the moving mechanism and the support mechanism are both located within the mounting groove and recess. The mounting frame 21 and the telescopic rod 22 are in a horizontal state, and the telescopic rod 22 is inserted into the limiting hole 23, limiting the first button 4 and the second button 5 and preventing accidental contact with the first button 4 and the second button 5, which would affect the movement of the moving mechanism and the support mechanism, making it inconvenient to use.

[0031] A detection method for a cable core fault diagnosis and detection device, applied to the aforementioned cable core fault diagnosis and detection device, includes the following steps: Step 1: Open the protective cover 2, rotate the protective plate 11 to expose the connection port 3, insert one end of the wire into the connection port 3, so that the clip on the other end of the wire clamps the cable to be tested, start the tester body 1, set the parameters through the buttons, and make the tester body 1 test the cable. Step 2: In the initial state, the mounting bracket 21 is horizontally set, and the telescopic rod 22 is inserted into the limiting hole 23 to limit the first button 4 and the second button 5. When the ground is wet and it is necessary to adjust the height of the detector body 1, the telescopic rod 22 is retracted and no longer inserted into the limiting hole 23. Then, the mounting bracket 21 and the telescopic rod 22 are rotated to the vertical state, so that the mounting bracket 21 and the telescopic rod 22 are rotated to the inner wall of the detector body 1, and the first button 4 and the second button 5 are no longer limited. Step 3: Press down the first button 4 and the second button 5 simultaneously to push the moving mechanism downwards, so that the fixed block 10 moves to the bottom of the detector body 1, increasing the height of the detector body 1. Then place the fixed block 10 on the ground to prevent the bottom of the detector body 1 from directly contacting the damp ground. Step 4: When the moving mechanism moves, it pushes the support mechanism to move to both sides of the detector body 1. At the same time, through the action of the movable rod 18, the telescopic block 20 and the second magnetic block 19, the support mechanism can support and limit the detector body 1, so that after the fixed block 10 is placed on the ground, the stability of the detector body 1 is improved. Then, by setting the parameters through the button, the detector body 1 can continue to perform detection.

[0032] Working principle of this invention: Reference Figures 1 to 9As shown, during normal use, first rotate the protective cover 2 to open the detector body 1, then rotate the protective plate 11 to expose the connection port 3, so that one end of the wire is connected to the connection port 3, and the clamp at the other end clamps the cable. Start the detector body 1, set the parameters through the buttons, test the cable, and observe the test data through the display screen.

[0033] In the initial state, one end of the first button 4 and the second button 5 are located at the top of the slide groove, the mounting bracket 21 and the telescopic rod 22 are in a horizontal state, and the telescopic rod 22 is inserted into the limiting hole 23 of the first button 4 and the second button 5. When it needs to be used on a wet ground, first retract the telescopic rod 22 so that it is no longer inserted into the limiting hole 23, then rotate the mounting bracket 21 and the telescopic rod 22 so that the mounting bracket 21 and the telescopic rod 22 rotate to a vertical state and no longer limit the first button 4 and the second button 5, then simultaneously move the first button 4 and the second button 5 downward, driving the moving rod 7, the moving block 9 and the fixed block 10 to move downward, compressing the compression spring 8, so that... The fixing block 10 moves towards the bottom of the detector body 1, causing the first magnetic block 13 connected to the fixing block 10 to separate from the first magnetic block 13 on the inner wall of the bottom of the detector body 1. After the fixing block 10 has completely moved to the bottom of the detector body 1, the limiting rod 12 connected to the bottom of the first button 4 and the second button 5 is inserted into the limiting groove, and the third magnetic block 24 at the bottom of the limiting rod 12 is magnetically connected to the third magnetic block 24 on the inner wall of the bottom of the limiting groove, thus limiting the position of the first button 4 and the second button 5 after they have moved. Then the detector body 1 is placed on the wet ground, and the fixing block 10 prevents the bottom of the detector body 1 from directly contacting the wet ground.

[0034] After the fixed block 10 has moved, the movable block 9 can press the movable block 15 to move to both sides of the detector body 1. At the same time, the connecting plate 16 moves along the inner wall of the movable slot, pressing the connecting spring 17, causing the telescopic plate 14 to deflect into an inclined state. The movable block 15 and the inclined telescopic plate 14 support the detector body 1 on both sides, improving the stability of the detector body 1. Then, pull the telescopic block 20 to drive the movable rod 18 to move, so that the telescopic block 20 moves to the bottom of the movable block 15. By stretching the telescopic block 20, the top of the telescopic block 20 moves into the slot. Through the magnetic adsorption of the second magnetic block 19, the telescopic block 20 and the movable block 15 are connected. The telescopic plate 14 supports and limits the movable block 15, improving the stability of the movable block 15 and the telescopic plate 14. Rotate to open the corresponding protective plate 11, connect the wire to the connection port 3, clamp the cable, start the detector body 1, and continue the detection by setting parameters.

[0035] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it.

Claims

1. A cable core fault diagnostic detection device, characterized by, Include: The detector body (1) is connected with the protective cover (2) at the top by the hinge, which is used to protect the structure inside the detector body (1); The connecting port (3) is arranged on the detector body (1) and used to connect the wire pair cable for detection; The adjusting support assembly is arranged on the detector body (1) and used to adjust the height of the detector body (1), the adjusting support assembly comprises a first pressing block (4), a second pressing block (5), a moving mechanism and a supporting mechanism, the display screen is provided with the first pressing block (4) away from the connecting port (3), the connecting port (3) is provided with the second pressing block (5) outside, the first pressing block (4) and the second pressing block (5) are provided with the moving mechanism at the bottom, which is used to drive the moving mechanism to move, and the moving mechanism is provided with the supporting mechanism at both sides, which is used to support and limit the detector body (1).

2. The cable core fault diagnostic detection apparatus according to claim 1, characterized by: The display screen and the keys are arranged on the top of the detector body (1), the display screen and the keys are provided with the sliding grooves at both sides and in the detector body (1), the first pressing block (4), the second pressing block (5) and the sliding grooves are in sliding connection, the mounting groove is formed in the bottom end of the detector body (1) and communicates with the sliding grooves, the fixed plate (6) is fixedly connected to the inner wall of the bottom end of the sliding groove, and the supporting mechanisms are symmetrically arranged at both sides of the detector body (1).

3. The cable core fault diagnostic testing apparatus of claim 2, wherein: The moving mechanism comprises a moving rod (7), a compression spring (8), a moving block (9) and a fixed block (10); The first pressing block (4) and the second pressing block (5) are fixedly connected with the moving rod (7) at the bottom, the moving rod (7) penetrates through the fixed plate (6) and is fixedly connected with the moving block (9) at the bottom end, the compression spring (8) is sleeved outside the moving rod (7), the moving block (9) is fixedly connected with the fixed block (10) at the bottom, and the moving block (9) and the fixed block (10) are in sliding connection with the inner wall of the mounting groove.

4. The cable core fault diagnostic testing apparatus of claim 3, wherein: The second pressing block (5) is rotatably connected with the protective plate (11) at the top, the second pressing block (5) is provided with the movable opening at the middle and the bottom of the protective plate (11), the protective plate (11), the movable opening and the connecting port (3) are correspondingly arranged, the second pressing block (5) is provided with two moving rods (7) at both ends of the bottom, the moving rod (7) is provided with the limiting rod (12) at both sides, the limiting rod (12) is fixedly connected with the first pressing block (4) and the second pressing block (5) at the top, and the limiting rod (12) is connected with the fixed plate (6) through the limiting piece.

5. The cable core fault diagnostic testing apparatus of claim 4, wherein: The first magnetic block (13) is fixedly connected to the inner wall of the moving block (9) and the mounting groove at both sides, the first magnetic blocks (13) are magnetically connected, and the two sides of the moving block (9) close to the moving rod (7) are inclined surfaces.

6. The cable core fault diagnostic testing apparatus of claim 5, wherein: The supporting mechanism comprises a telescopic plate (14), a movable block (15), a connecting plate (16) and a connecting spring (17). The fixed block (10) is provided with a movable block (15) on both sides, the movable block (15) is hinged with an expansion plate (14) on the top, the detector body (1) is provided with a groove on both sides, the expansion plate (14) is rotatably connected with the inner wall of the groove, the expansion plate (14) is in a vertical state in the groove, the movable block (15) is slidably connected with the inner wall of the mounting groove through a connecting plate (16), and the connecting plate (16) is fixedly connected with the movable block (15) through a connecting spring (17).

7. The cable core fault diagnostic testing apparatus of claim 6, wherein: The side of the movable block (15) close to the fixed block (10) is a slope, two insertion grooves are formed in the bottom of the movable block (15), the movable block (15) is movably connected with a movable rod (18) close to the fixed block (10), the movable rod (18) is fixedly connected with an expansion block (20), the expansion block (20) is fixedly connected with a second magnetic block (19) on the top, and the second magnetic blocks (19) are magnetically connected.

8. The cable core fault diagnostic testing apparatus of claim 7, wherein: The side of the first pressing block (4) and the second pressing block (5) away from the display screen is provided with a limiting structure, the limiting structure comprises a mounting frame (21), a rotating rod and an expansion rod (22), the mounting frame (21) is arranged on the inner wall of the detector body (1), the mounting frame (21) is rotatably connected with the rotating rod on the top, and the mounting frame (21) is fixedly connected with the expansion rod (22) on both ends.

9. The cable core fault diagnostic testing apparatus of claim 8, wherein: The mounting frame (21) is in a U shape, the mounting frame (21) and the expansion rod (22) are in a vertical state, the first pressing block (4) and the second pressing block (5) are provided with a limiting hole (23) on the top, and the expansion rod (22) is inserted into the limiting hole (23).

10. A detection method of a cable core failure diagnostic detection device, characterized by, The detection method applies the cable core fault diagnosis detection device of claim 9, comprising the following steps: Step one: open the protection cover (2), rotate the protection plate (11) to expose the connecting port (3), insert one end of the wire into the connecting port (3), clamp the other end of the wire with the clamp, start the detector body (1), set the parameters through the keys, and make the detector body (1) detect the cable; Step two: in the initial state, the mounting frame (21) is horizontally arranged, the expansion rod (22) is inserted into the limiting hole (23), and the first pressing block (4) and the second pressing block (5) are limited, when the ground is wet and the height of the detector body (1) needs to be adjusted, the expansion rod (22) is retracted and no longer inserted into the limiting hole (23), the mounting frame (21) and the expansion rod (22) are rotated to the vertical state, the mounting frame (21) and the expansion rod (22) are rotated to the inner wall of the detector body (1), and the first pressing block (4) and the second pressing block (5) are no longer limited; Step three: press the first pressing block (4) and the second pressing block (5) downward at the same time, push the moving mechanism to move downward, move the fixed block (10) to the bottom of the detector body (1), increase the height of the detector body (1), and then place the fixed block (10) on the ground; Step four: when the moving mechanism moves, the supporting mechanism is pushed to move to both sides of the detector body (1), and at the same time, through the action of the movable rod (18), the telescopic block (20) and the second magnetic block (19), the supporting mechanism can support and limit the detector body (1), so that the fixed block (10) is placed on the ground, and then the parameters are set through the button, so that the detector body (1) continues to detect.

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