A high voltage cable test and detection device

Abstract

The present invention discloses a high-voltage cable test and detection device, which belongs to the field of cable detection technology, and includes a test bench, wherein a clamping guide assembly is arranged at the center position of the top of the test bench, and freely movable fixed rings are arranged on both sides of the clamping guide assembly, and a feed assembly is arranged on one side of the fixed ring. In the present invention, by arranging a conversion and retracting knife assembly, the trigger ball will be moved by the pressure of the insulating layer, and the trigger ball drives the card slot to move through the moving rod, the fitting wheel and the sliding block, so that the card slot is separated from the sliding disk, and then the sliding disk moves upward under the drive of the third spring, and the sliding disk drives the mounting frame to move, and the mounting frame drives the connecting rod to move, and the connecting rod drives the cutter to retract, so as to avoid the cutter from cutting the internal metal parts, thereby improving the safety and accuracy of the insulation layer stripping, avoiding the damage to the high-voltage cable, and improving the accuracy of the test results.

Description

Technical Field

[0001] The invention belongs to the technical field of cable detection, and in particular relates to a high-voltage cable test detection device. Background Art

[0002] Cables are composed of single or multiple conductors and an insulation layer. They are used to connect circuits and electrical appliances, making them an indispensable material for the power industry. High-voltage cables are a type of power cable, which refers to power cables used to transmit power between 1kv-1000kv. They are mostly used in power transmission and distribution. In order to ensure the safe use of high-voltage cables, they need to be powered on and tested before use. During this process, the cables must be stripped for ease of power connection, thereby improving the efficiency of experimental testing.

[0003] The document with publication number CN112255505B discloses a cable detection device, including a frame, cable end stripping units arranged on both sides of the bottom platform of the frame, a clamping unit arranged between the stripping units and movable up and down, a detection unit symmetrically arranged on the front of the frame, and a main machine for analyzing data and controlling the operation of each unit; the stripping unit includes a cutter head that can rotate relative to the outer circumference of the cable and feed axially, and a base that fixes the cutter head and can move axially relative to the cable; the clamping unit includes a V-shaped clamp, which can clamp the cable and drive the cable to translate up and down as a whole; the detection unit includes a copper current electrode arranged on the outer side of the two axial ends of the cable, and a copper potential electrode arranged on the radial outer side of the cable and corresponding to the copper current electrode; the new cable detection equipment can automatically remove the skin of the cable end and reduce manual operation, but in actual use, when stripping the cable insulation layer, the internal metal parts may be cut, causing damage to the cable, thereby affecting the result of cable detection, so it needs to be improved. Summary of the invention

[0004] The purpose of the present invention is to propose a high-voltage cable test and detection device in order to solve the problem that when the cable insulation layer is stripped, the internal metal parts may be cut, causing damage to the cable, thereby affecting the result of cable detection.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A high-voltage cable test and detection device comprises a test bench, wherein a clamping guide assembly is arranged at the center of the top of the test bench, and freely movable fixed rings are arranged on both sides of the clamping guide assembly, and a feed assembly is arranged on one side of the fixed ring, and a plurality of conversion and collection assemblies are arranged in the feed assembly;

[0007] The conversion knife collection assembly includes an outer shell, a conversion motor is fixedly installed inside the outer shell, one end of the conversion motor output shaft is connected to a rotating rod, the outer surface of the rotating rod is slidably connected to a sliding disk, sliding blocks for limiting the sliding disk are symmetrically arranged on both sides of the sliding disk, trigger balls are arranged under the sliding blocks, a mounting frame is connected to the bottom of the sliding disk, a cutter for cutting the outer insulator of the cable is connected to the bottom of the mounting frame through a connecting rod, the rotating rod can adjust the cutting direction of the cutter under the drive of the motor, and the trigger ball can drive the cutter to retract through transmission after being triggered by external force.

[0008] As a further description of the above technical solution:

[0009] The outer shell is arranged on one side of the fixing ring, the connecting rod is rotatably connected to the outer shell, the cross-section of the rotating rod is a regular hexagon, the bottom of the rotating rod is connected to a limiting plate, the outer surface of the rotating rod is sleeved with a third spring, and the two ends of the third spring are respectively connected to one side of the limiting plate and one side of the sliding disk.

[0010] As a further description of the above technical solution:

[0011] A slot is provided on one side of the sliding block, the sliding disk is rotatably connected to the slot, and the slot limits the vertical position of the sliding disk, the bottom of the sliding block is arranged in an inclined surface, and a fitting wheel is fitted on one side of the inclined surface, the end of the fitting wheel away from the sliding block is connected to a moving rod, the end of the moving rod away from the fitting wheel extends to the outside of the outer shell and is connected to a connecting groove seat, and the trigger ball is arranged in the connecting groove seat.

[0012] As a further description of the above technical solution:

[0013] Two second telescopic rods are connected to the side of the sliding block away from the card slot, and the side of the second telescopic rod away from the sliding block is connected to the inner wall of the outer shell. A second spring is sleeved on the outer surface of the second telescopic rod, and the two ends of the second spring are respectively connected to one side of the sliding block and one side of the inner wall of the outer shell.

[0014] As a further description of the above technical solution:

[0015] The feed assembly includes a rotating ring, which is rotatably connected to one side of a fixed ring, and a plurality of lifting columns in a circumferential array are arranged on the inner circumference of the rotating ring, and the side of the lifting column away from the rotating ring is connected to the side of the outer shell, and the side of the lifting column away from the outer shell is threadedly connected with a lifting screw, and one end of the lifting screw away from the lifting column extends into a cavity opened in the rotating ring and is connected to a connecting shaft, and the connecting shaft is rotatably connected to the cavity through a bearing, and a second bevel gear is connected to the outer surface of the connecting shaft, and the second bevel gear is meshed with the first bevel gear on one side, and the first bevel gear is connected to the rotating shaft on one side, and one end of the rotating shaft extends to the outside of the cavity and is connected to a transmission gear, and the outer circumferences of the plurality of transmission gears are meshed with the same inner gear ring, and the inner gear ring is fixedly connected to the inner circumference of the fixed ring.

[0016] As a further description of the above technical solution:

[0017] A fixed motor is fixedly mounted on the top of the fixed ring through a first mounting plate, one end of the output shaft of the fixed motor is connected to a driving gear, the bottom of the driving gear is meshedly connected to a rotating gear ring, and the rotating gear ring is connected to the outer peripheral side of the rotating ring.

[0018] As a further description of the above technical solution:

[0019] Two sliding holes are provided on one side of the lifting column close to the lifting screw. The two sliding holes are distributed in mirror symmetry along the axis of the lifting screw. A fixed sliding rod is slidably connected in the sliding hole. One end of the fixed sliding rod away from the sliding hole is connected to the inner circumference of the rotating ring.

[0020] As a further description of the above technical solution:

[0021] The clamping and guiding assembly includes a connecting ring, the bottom of which is connected to the top of the test bench via two symmetrically arranged mounting seats, two symmetrically arranged electric push rods are connected inside the connecting ring, one opposite side of the electric push rods is connected to a clamping block, a plurality of first telescopic rods distributed in a circular array are connected inside the fixed ring, and the other end of the first telescopic rod is connected to a guide wheel for limiting and guiding the outside of the cable.

[0022] As a further description of the above technical solution:

[0023] A first spring is sleeved on the outer surface of the first telescopic rod, and two ends of the first spring are respectively connected to one side of the guide wheel and the inner circumference of the fixing ring.

[0024] As a further description of the above technical solution:

[0025] A protective side plate is connected to one side of the top of the test bench, and the protective side plate is divided into a vertical part and a horizontal part. Both sides of the bottom of the horizontal part are connected to power-on test devices for power-on testing. The top of the test bench is rotatably connected to positive and negative lead screws through a mounting part. The positive and negative lead screws are symmetrically arranged along their own center positions, and the thread directions on both sides are opposite. The outer surfaces of the positive and negative lead screws are threadedly connected to two symmetrically arranged lead screw seats, and the top of the lead screw seat is connected to the bottom of the fixing ring. A driving motor is fixedly installed on one side of the test bench through a second mounting plate, and one end of the output shaft of the driving motor is connected to one end of the positive and negative lead screws. A test console is arranged on the side of the test bench away from the driving motor.

[0026] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0027] 1. In the present invention, a conversion knife collection assembly is provided, and the direction of the cutter is changed by a conversion motor in cooperation with a rotating rod, a sliding disk, a mounting frame and a connecting rod, so that the cutting and stripping of the insulation layer in different directions can be realized, thereby improving the efficiency and effect of stripping the insulation layer. When the trigger ball contacts the insulation layer, the trigger ball will move under the pressure of the insulation layer, and the trigger ball drives the card slot to move through the moving rod, the fitting wheel and the sliding block, so that the card slot is separated from the sliding disk. After that, the sliding disk moves upward under the drive of the third spring, the sliding disk drives the mounting frame to move, the mounting frame drives the connecting rod to move, and the connecting rod drives the cutter to retract, so as to prevent the cutter from cutting the internal metal parts, thereby improving the safety and accuracy of insulation stripping, avoiding damage to the high-voltage cable, and improving the accuracy of the test results.

[0028] 2. In the present invention, by setting a feed assembly, a fixed motor drives the lifting column to move downward through a driving gear, a rotating gear ring, a rotating ring, a transmission gear, an internal gear ring, a first bevel gear, a second bevel gear, a lifting screw and a fixed slide rod, so that the cutter gradually penetrates into the insulation layer of the cable, and cooperates with the rotation of the rotating ring itself to perform annular cutting of the insulation layer of the high-voltage cable, and cooperates with the conversion and collection of the knife assembly to achieve transverse and circumferential cutting and stripping of the insulated cable, complete the automatic stripping of the insulation layer of the high-voltage cable, facilitate the staff to test the power-on of the high-voltage cable, and improve the test efficiency.

[0029] 3. In the present invention, by setting a clamping guide assembly, the electric push rod cooperates with the clamping block to clamp and limit the outer surface of the high-voltage cable. At the same time, the external fitting support of the high-voltage cable is completed through the cooperation of multiple guide wheels, the first telescopic rod and the first spring. By controlling the moving stroke of the electric push rod, the clamping and limiting of high-voltage cables of different specifications are achieved, thereby improving the overall applicability of the device. At the same time, the setting of the guide wheel can enable the guide wheel to guide and support the high-voltage cable, thereby improving the stability of the high-voltage cable during testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0031] Figure 2 It is a schematic diagram of the three-dimensional structure from another viewing angle of the present invention;

[0032] Figure 3 It is a partial three-dimensional structural schematic diagram of the present invention;

[0033] Figure 4 It is a partial three-dimensional structural schematic diagram of the clamping guide assembly of the present invention;

[0034] Figure 5 It is a schematic diagram of a partial three-dimensional split structure of the present invention;

[0035] Figure 6 It is a schematic diagram of the three-dimensional split structure of the feed assembly of the present invention;

[0036] Figure 7 For the present invention Figure 6 The enlarged structural diagram of part A in the middle;

[0037] Figure 8 It is a three-dimensional cross-sectional structural schematic diagram of the conversion and collection knife assembly of the present invention;

[0038] Fig. 9 It is a schematic diagram of the internal three-dimensional structure of the conversion and collection knife assembly of the present invention;

[0039] Fig.10 For the present invention Fig. 9 The enlarged structural diagram of part B is shown in the figure.

[0040] Legend:

[0041] 1. Protective side plate; 2. Test console; 3. Test bench; 4. Clamping guide assembly; 401. Connecting ring; 402. Electric push rod; 403. Clamping block; 404. Guide wheel; 405. First spring; 406. First telescopic rod; 5. Fixed ring; 6. Feed assembly; 601. Rotating ring; 602. Rotating gear ring; 603. Driving gear; 604. Fixed motor; 605. Lifting column; 606. Internal gear ring; 607. Transmission gear; 608. First bevel gear; 609. Second bevel gear; 610. Lifting screw; 611. 1. Fixed slide bar; 7. Power-on test device; 8. Drive motor; 9. Conversion knife collection assembly; 901. Outer shell; 902. Conversion motor; 903. Rotating rod; 904. Sliding plate; 905. Second spring; 906. Second telescopic rod; 907. Sliding block; 908. Moving rod; 909. Connecting slot seat; 910. Trigger ball; 911. Connecting rod; 912. Fitting wheel; 913. Third spring; 914. Limiting plate; 915. Mounting bracket; 916. Slot; 10. Forward and reverse screws; 11. Screw seat; 12. Cutter. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] See also Figure 1-Figure 10 , the present invention provides a technical solution:

[0044] A high-voltage cable test and detection device comprises a test bench 3, a clamping guide assembly 4 is arranged at the center position of the top of the test bench 3, a freely movable fixing ring 5 is arranged on both sides of the clamping guide assembly 4, a feed assembly 6 is arranged on one side of the fixing ring 5, a plurality of conversion and collection assemblies 9 are arranged in the feed assembly 6, a protective side plate 1 is connected to one side of the top of the test bench 3, the protective side plate 1 is divided into a vertical part and a transverse part, both sides of the bottom of the transverse part are connected to a power connection test device 7 for power-on test, a positive and negative lead screw 10 is rotatably connected to the top of the test bench 3 through a mounting member, the positive and negative lead screw 10 is symmetrically arranged along its own center position, and the thread directions of both sides are opposite, the outer surface of the positive and negative lead screw 10 is threadedly connected to two symmetrically arranged lead screw seats 11, the top of the lead screw seat 11 is connected to the bottom of the fixing ring 5, a driving motor 8 is fixedly installed on one side of the test bench 3 through a second mounting plate, one end of the output shaft of the driving motor 8 is connected to one end of the positive and negative lead screw 10, and a test control console 2 is arranged on the side of the test bench 3 away from the driving motor 8.

[0045] The conversion knife collection assembly 9 includes an outer shell 901, a conversion motor 902 is fixedly installed inside the outer shell 901, one end of the output shaft of the conversion motor 902 is connected to a rotating rod 903, the outer surface of the rotating rod 903 is slidably connected to a sliding plate 904, and sliding blocks 907 for limiting the sliding plate 904 are symmetrically arranged on both sides of the sliding plate 904, and a trigger ball 910 is arranged below the sliding block 907. The bottom of the sliding plate 904 is connected to a mounting frame 915, and the bottom of the mounting frame 915 is connected to the bottom of the mounting frame 915 through a connecting rod 911 is connected with a cutter 12 for cutting the outer insulator of the cable, the rotating rod 903 can adjust the cutting direction of the cutter 12 under the drive of the motor, and the trigger ball 910 can drive the cutter 12 to retract through transmission after being triggered by an external force, the outer shell 901 is arranged on one side of the fixing ring 5, the connecting rod 911 is rotatably connected with the outer shell 901, the cross-section shape of the rotating rod 903 is a regular hexagon, the bottom of the rotating rod 903 is connected to a limiting plate 914, and the outer surface of the rotating rod 903 is sleeved with a third spring 913, two ends of the third spring 913 are respectively connected to one side of the limiting plate 914 and one side of the sliding plate 904, a slot 916 is provided on one side of the sliding block 907, the sliding plate 904 is rotatably connected in the slot 916, and the slot 916 limits the vertical position of the sliding plate 904, the bottom of the sliding block 907 is arranged in an inclined surface, and a fitting wheel 912 is fitted on one side of the inclined surface, and a moving rod 908 is connected to the end of the fitting wheel 912 away from the sliding block 907, and the moving rod 908 is away from the fitting wheel 91 2 extends to the outside of the outer shell 901 and is connected to a connecting groove seat 909, a trigger ball 910 is arranged in the connecting groove seat 909, a side of the sliding block 907 away from the card slot 916 is connected to two second telescopic rods 906, a side of the second telescopic rod 906 away from the sliding block 907 is connected to the inner wall of the outer shell 901, a second spring 905 is sleeved on the outer surface of the second telescopic rod 906, and two ends of the second spring 905 are respectively connected to one side of the sliding block 907 and one side of the inner wall of the outer shell 901.

[0046] The specific implementation method is as follows: by setting a conversion knife collection component 9, the conversion motor 902 cooperates with the rotating rod 903, the sliding disk 904, the mounting frame 915 and the connecting rod 911 to drive the cutter 12 to change its direction, so that the cutting and stripping of the insulation layer in different directions can be achieved, and the stripping efficiency and effect of the insulation layer can be improved. When the trigger ball 910 contacts the insulation layer, the trigger ball 910 will move under the pressure of the insulation layer, and the trigger ball 910 drives the card slot 916 to move through the moving rod 908, the fitting wheel 912 and the sliding block 907, so that the card slot 916 is separated from the sliding disk 904. After that, the sliding disk 904 moves upward under the drive of the third spring 913, the sliding disk 904 drives the mounting frame 915 to move, the mounting frame 915 drives the connecting rod 911 to move, and the connecting rod 911 drives the cutter 12 to retract, so as to prevent the cutter 12 from cutting the internal metal parts, thereby improving the safety and accuracy of the insulation stripping, avoiding damage to the high-voltage cable, and improving the accuracy of the test results.

[0047] The feed assembly 6 includes a rotating ring 601, which is rotatably connected to one side of the fixed ring 5. A plurality of lifting columns 605 in a circular array are arranged on the inner circumference of the rotating ring 601. The side of the lifting column 605 away from the rotating ring 601 is connected to the side of the outer shell 901. The side of the lifting column 605 away from the outer shell 901 is threadedly connected with a lifting screw 610. One end of the lifting screw 610 away from the lifting column 605 extends into a cavity opened inside the rotating ring 601 and is connected to a connecting shaft. The connecting shaft is rotatably connected to the cavity through a bearing. A second bevel gear 609 is connected to the outer surface of the connecting shaft. One side of the second bevel gear 609 is meshedly connected to the first bevel gear 608. One side of the first bevel gear 608 is connected to the rotating shaft. One end of the rotating shaft extends to A transmission gear 607 is connected to the outside of the cavity, and the outer circumferences of multiple transmission gears 607 are meshedly connected to the same inner gear ring 606. The inner gear ring 606 is fixedly connected to the inner circumference of the fixed ring 5. A fixed motor 604 is fixedly installed on the top of the fixed ring 5 through a first mounting plate. One end of the output shaft of the fixed motor 604 is connected to a driving gear 603, and the bottom of the driving gear 603 is meshedly connected to a rotating gear ring 602. The rotating gear ring 602 is connected to the outer circumference of the rotating ring 601. Two sliding holes are provided on the side of the lifting column 605 close to the lifting screw 610. The two sliding holes are distributed in a mirror-symmetrical manner along the axis of the lifting screw 610. A fixed slide rod 611 is slidably connected in the sliding hole, and the end of the fixed slide rod 611 away from the sliding hole is connected to the inner circumference of the rotating ring 601.

[0048] The specific implementation method is as follows: by setting the feed assembly 6, the fixed motor 604 drives the lifting column 605 to move downward through the driving gear 603, the rotating gear ring 602, the rotating ring 601, the transmission gear 607, the internal gear ring 606, the first bevel gear 608, the second bevel gear 609, the lifting screw 610 and the fixed slide rod 611, so that the cutter 12 gradually penetrates into the insulation layer of the cable, and cooperates with the rotation of the rotating ring 601 itself to cut the insulation layer of the high-voltage cable in an annular direction, and cooperates with the conversion and collection assembly 9 to realize the lateral and circumferential cutting and stripping of the insulated cable, complete the automatic stripping of the insulation layer of the high-voltage cable, and facilitate the staff to test the power supply of the high-voltage cable.

[0049] The clamping and guiding assembly 4 includes a connecting ring 401, the bottom of which is connected to the top of the test bench 3 through two symmetrically arranged mounting seats, two symmetrically arranged electric push rods 402 are connected inside the connecting ring 401, and a clamping block 403 is connected to the opposite side of the electric push rod 402. A plurality of first telescopic rods 406 distributed in a circular array are connected inside the fixing ring 5, and the other end of the first telescopic rod 406 is connected to a guide wheel 404 for limiting and guiding the outside of the cable, and a first spring 405 is sleeved on the outer surface of the first telescopic rod 406, and the two ends of the first spring 405 are respectively connected to one side of the guide wheel 404 and the inner circumference of the fixing ring 5.

[0050] The specific implementation method is as follows: by setting a clamping guide component 4, the electric push rod 402 cooperates with the clamping block 403 to clamp and limit the outer surface of the high-voltage cable. At the same time, the external fitting support of the high-voltage cable is completed through the cooperation of multiple guide wheels 404, the first telescopic rod 406 and the first spring 405. By controlling the moving stroke of the electric push rod 402, the clamping and limiting of high-voltage cables of different specifications are achieved, thereby improving the overall applicability of the device. At the same time, the setting of the guide wheel 404 can enable the guide wheel 404 to guide and support the high-voltage cable.

[0051] Working principle: When in use, the staff passes the high-voltage cable through the connecting ring 401, the fixed ring 5 and the rotating ring 601, and makes the center of the high-voltage cable located in the middle of the connecting ring 401. After that, the staff starts the electric push rod 402, and the electric push rod 402 drives the clamping block 403 to approach the center position and clamp the outer surface of the high-voltage cable to limit the position. At the same time, the external fitting support of the high-voltage cable is completed through the cooperation of multiple guide wheels 404, the first telescopic rod 406 and the first spring 405.

[0052] Before the test, during this process, the conversion motor 902 is started, the conversion motor 902 drives the rotating rod 903 to rotate, the rotating rod 903 drives the sliding disk 904 to rotate, the sliding disk 904 drives the mounting frame 915 to rotate, the mounting frame 915 drives the connecting rod 911 to rotate, the connecting rod 911 drives the cutter 12 to change direction, so that the cutter 12 is radially parallel to the high-voltage cable, and then the fixed motor 604 is started, the fixed motor 604 drives the driving gear 603 to rotate, the driving gear 603 drives the rotating gear ring 602 to rotate, the rotating gear ring 602 drives the rotating ring 601 to rotate, the rotating ring 601 drives the transmission gear 607 to revolve on the inner gear ring 606, so that the transmission gear 607 rotates, and the transmission gear 607 drives the first bevel gear 608 to rotate , the first bevel gear 608 drives the second bevel gear 609 to rotate, the second bevel gear 609 drives the lifting screw 610 to rotate, the lifting screw 610 cooperates with the fixed slide bar 611 to drive the lifting column 605 to move downward, so that the cutter 12 gradually penetrates into the insulation layer of the cable, and cooperates with the rotation of the rotating ring 601 itself to cut the insulation layer of the high-voltage cable in an annular direction, which can realize the transverse annular cutting of the insulation layer, and then, the conversion motor 902 rotates in the opposite direction, so that the cutter 12 is parallel to the axis of the high-voltage cable. At this time, the fixed motor 604 stops, the drive motor 8 starts, the drive motor 8 drives the screw seat 11 to move, the screw seat 11 drives the fixed ring 5 and the rotating ring 601 to move, and the rotating ring 601 drives the cutter 12 to move horizontally and cut and separate the high-voltage cable.

[0053] During the process of the cutter 12 cutting the insulation layer of the high-voltage cable, as the feed assembly 6 runs, the cutter 12 will gradually penetrate into the insulation layer, and the cutter 12 will gradually approach the internal metal parts. During this process, according to the preset value, when the trigger ball 910 contacts the insulation layer, the trigger ball 910 will be moved by the pressure of the insulation layer, and the trigger ball 910 drives the moving rod 908 to move, and the moving rod 908 drives the fitting wheel 912 to move, and the fitting wheel 912 converts the vertical driving force into a lateral driving force, so that the sliding block 907 moves to one side, and the sliding block 907 drives the card slot 916 to move, so that the card slot 916 is separated from the sliding disk 904, and then the sliding disk 904 moves upward under the drive of the third spring 913, and the sliding disk 904 drives the mounting frame 915 to move, and the mounting frame 915 drives the connecting rod 911 to move, and the connecting rod 911 drives the cutter 12 to retract to prevent the cutter 12 from cutting the internal metal parts.

[0054] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high voltage cable test and detection device, comprising a test bench (3), characterized in that: A clamping guide assembly (4) is arranged at the center of the top of the test bench (3); freely movable fixing rings (5) are arranged on both sides of the clamping guide assembly (4); a feed assembly (6) is arranged on one side of the fixing ring (5); and a plurality of conversion and collection assemblies (9) are arranged inside the feed assembly (6); The conversion knife collection assembly (9) comprises an outer shell (901), a conversion motor (902) is fixedly installed inside the outer shell (901), one end of the output shaft of the conversion motor (902) is connected to a rotating rod (903), the outer surface of the rotating rod (903) is slidably connected to a sliding disk (904), sliding blocks (907) for limiting the sliding disk (904) are symmetrically arranged on both sides of the sliding disk (904), a trigger ball (910) is arranged below the sliding block (907), the bottom of the sliding disk (904) is connected to a mounting frame (915), and the bottom of the mounting frame (915) is connected to a cutter (12) for cutting the outer insulation layer of the cable through a connecting rod (911), the rotating rod (903) can adjust the cutting direction of the cutter (12) under the drive of the motor, and the trigger ball (910) can drive the cutter (12) to retract through transmission after being triggered by the pressure of the insulation layer.

2. A high voltage cable test and detection device according to claim 1, characterized in that: The outer shell (901) is arranged on one side of the fixing ring (5); the connecting rod (911) is rotatably connected to the outer shell (901); the cross-sectional shape of the rotating rod (903) is a regular hexagon; the bottom of the rotating rod (903) is connected to a limiting plate (914); a third spring (913) is sleeved on the outer surface of the rotating rod (903); and two ends of the third spring (913) are respectively connected to one side of the limiting plate (914) and one side of the sliding plate (904).

3. A high voltage cable test and detection device according to claim 1, characterized in that: A slot (916) is provided on one side of the sliding block (907), the sliding plate (904) is rotatably connected to the slot (916), and the slot (916) limits the vertical position of the sliding plate (904); the bottom of the sliding block (907) is arranged in an inclined surface, and a fitting wheel (912) is fitted on one side of the inclined surface; an end of the fitting wheel (912) away from the sliding block (907) is connected to a moving rod (908); an end of the moving rod (908) away from the fitting wheel (912) extends to the outside of the outer shell (901) and is connected to a connecting groove seat (909); and the trigger ball (910) is arranged in the connecting groove seat (909).

4. A high voltage cable test and detection device according to claim 3, characterized in that: Two second telescopic rods (906) are connected to a side of the sliding block (907) away from the card slot (916); a side of the second telescopic rod (906) away from the sliding block (907) is connected to the inner wall of the outer shell (901); a second spring (905) is sleeved on the outer surface of the second telescopic rod (906); two ends of the second spring (905) are respectively connected to one side of the sliding block (907) and one side of the inner wall of the outer shell (901).

5. A high voltage cable test and detection device according to claim 1, characterized in that: The feed assembly (6) comprises a rotating ring (601), wherein the rotating ring (601) is rotatably connected to one side of the fixed ring (5), and a plurality of lifting columns (605) arranged in a circular array are arranged on the inner circumference of the rotating ring (601), and a side of the lifting columns (605) away from the rotating ring (601) is connected to a side of the outer shell (901), and a lifting screw (610) is threadedly connected to a side of the lifting column (605) away from the outer shell (901), and an end of the lifting screw (610) away from the lifting column (605) extends to the rotating ring (601). ) is provided in a cavity formed inside the cavity and is connected to a connecting shaft, the connecting shaft is rotatably connected to the cavity via a bearing, a second bevel gear (609) is connected to an outer surface of the connecting shaft, one side of the second bevel gear (609) is meshingly connected to a first bevel gear (608), one side of the first bevel gear (608) is connected to a rotating shaft, one end of the rotating shaft extends to the outside of the cavity and is connected to a transmission gear (607), the outer circumference of the plurality of transmission gears (607) is meshingly connected to the same inner gear ring (606), and the inner gear ring (606) is fixedly connected to the inner circumference of the fixing ring (5).

6. A high voltage cable test and detection device according to claim 5, characterized in that: A fixed motor (604) is fixedly mounted on the top of the fixed ring (5) via a first mounting plate; one end of the output shaft of the fixed motor (604) is connected to a driving gear (603); the bottom of the driving gear (603) is meshingly connected to a rotating gear ring (602); and the rotating gear ring (602) is connected to the outer peripheral side of the rotating ring (601).

7. A high voltage cable test and detection device according to claim 5, characterized in that: Two sliding holes are provided on a side of the lifting column (605) close to the lifting screw (610), and the two sliding holes are distributed in a mirror-symmetrical manner along the axis of the lifting screw (610). A fixed sliding rod (611) is slidably connected in the sliding hole, and one end of the fixed sliding rod (611) away from the sliding hole is connected to the inner circumference of the rotating ring (601).

8. A high voltage cable test and detection device according to claim 1, characterized in that: The clamping guide assembly (4) comprises a connecting ring (401), the bottom of the connecting ring (401) being connected to the top of the test bench (3) via two symmetrically arranged mounting seats, two symmetrically arranged electric push rods (402) being connected inside the connecting ring (401), the opposite side of the electric push rods (402) being connected to a clamping block (403), a plurality of first telescopic rods (406) distributed in a circular array being connected inside the fixing ring (5), the other end of the first telescopic rods (406) being connected to a guide wheel (404) for limiting and guiding the outside of the cable.

9. A high voltage cable test and detection device according to claim 8, characterized in that: A first spring (405) is sleeved on the outer surface of the first telescopic rod (406), and two ends of the first spring (405) are respectively connected to one side of the guide wheel (404) and the inner circumference of the fixing ring (5).

10. A high voltage cable test and detection device according to claim 1, characterized in that: A protective side plate (1) is connected to one side of the top of the test bench (3), the protective side plate (1) is divided into a vertical portion and a horizontal portion, and both sides of the bottom of the horizontal portion are connected to power-on test devices (7) for power-on testing. The top of the test bench (3) is rotatably connected to a positive and negative lead screw (10) through a mounting member, the positive and negative lead screw (10) is symmetrically arranged along its own center position, and the thread directions of the two sides are opposite. The outer surface of the positive and negative lead screw (10) is threadedly connected to two symmetrically arranged lead screw seats (11), and the top of the lead screw seat (11) is connected to the bottom of the fixing ring (5). A drive motor (8) is fixedly installed on one side of the test bench (3) through a second mounting plate, and one end of the output shaft of the drive motor (8) is connected to one end of the positive and negative lead screw (10). A test control console (2) is arranged on the side of the test bench (3) away from the drive motor (8).

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