A cable insulation layer abrasion detection device

Abstract

This utility model provides a cable insulation wear detection device, belonging to the field of cable testing equipment. It includes a main assembly, on which a winding assembly is mounted. The winding assembly includes a roller rotatably mounted on the main assembly. A driving component is connected to the end of the roller. A cable head-end fixing component is provided on the outer wall of the roller. A cable follow-up detection component is provided on the outer side of the roller. A cable tail-end fixing component is also provided on the outer side of the roller and is mounted on the main assembly. The beneficial effect of this utility model is that it can both meet the requirements of cable insulation wear detection and ensure that the cable is tightly and orderly arranged on the drum after winding, thus avoiding problems such as loose and scattered cables on the drum after testing.

Description

Technical Field

[0001] This utility model belongs to the field of cable testing equipment, and specifically relates to a cable insulation wear detection device. Background Technology

[0002] Cables play an irreplaceable and crucial role in power transmission and signal transmission systems. Cables typically consist of internal transmission conductors and an outer insulation layer. The insulation layer not only serves to insulate current and prevent leakage, but also effectively protects the internal conductors from external environmental corrosion, enhances the overall tensile strength of the cable, and is of great significance for extending its service life.

[0003] Currently, during the installation, laying, and long-term use of cables, the insulation layer inevitably comes into contact with and rubs against external supporting structures and surrounding obstacles. This is especially true for cable carriers designed for cable chain systems or suspended mobile equipment, where frequent bending, stretching, and torsion occur, leading to greater friction on the insulation layer and a significantly increased risk of wear. Furthermore, severe insulation wear can not only increase power transmission losses and degrade signal transmission quality, but also easily trigger short circuits, leakage currents, and other safety accidents, seriously threatening the stable operation of the power system and the safety of personnel and equipment.

[0004] As a result, various devices for detecting cable insulation wear have gradually emerged on the market. For example, Chinese patent CN221987837U provides a cable insulation damage detection device. This device mainly uses inductive elements set on the inner wall of the detection ring to detect the cable insulation layer and uses a drum to rewind the tested cable, thus achieving simultaneous detection and rewinding. However, this cable insulation damage detection device still has certain shortcomings in practical use. It can only fix one end of the cable with clamps fixed to the winch, and cannot fix the other end of the cable with two roller brushes or other structures. Therefore, after the test is completed, the rewound cable is prone to loosening. In severe cases, some parts of the cable may even loosen and fly around under the action of their own elastic potential energy, causing damage to the cable itself, surrounding equipment, and personnel safety. Utility Model Content

[0005] The technical problem solved by this utility model is to provide a cable insulation wear detection device that can both meet the requirements of cable insulation layer detection and ensure that the cable is tightly and orderly arranged on the drum after winding, so as to avoid problems such as the cable being loose and flying around on the drum after the detection is completed.

[0006] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: a cable insulation wear detection device, which includes a main body assembly, a winding assembly mounted on the main body assembly, a roller rotatably mounted on the main body assembly, a driving member connected to the end of the roller, a cable head end fixing member provided on the outer wall of the roller, a cable follow-up detection member provided on the outer side of the roller, and a cable tail end fixing member also provided on the outer side of the roller. The cable tail end fixing member is mounted on the main body assembly and can fix the tail end of the wound cable after the cable detection is completed, so as to prevent the wound cable from loosening.

[0007] Furthermore, the main component includes a base plate, the upper surface of which is provided with two side plates and two support frames; the two side plates are respectively provided on both sides of the roller, and the two support frames are also respectively provided on both sides of the roller; connecting columns are fixedly installed at both ends of the roller, and the connecting columns are rotatably connected to the corresponding side plate and support frame; the driving component is installed on one of the side plates, and the power output end of the driving component is connected to the corresponding connecting column in a transmission manner, and the transmission connection structure between the two can adopt conventional shaft connection structures such as couplings and gear transmission structures.

[0008] Furthermore, the cable tail end fixing component includes two mounting plates fixed between the two side plates and two positioning rods fixed between the two side plates, with the two positioning rods located above the two mounting plates respectively; the cable tail end fixing component also includes a fixing seat, the lower end of which is fixed to the upper surface of the two mounting plates, and the upper end of which is fixed to the two positioning rods by a fixing ring. A fixing hole is vertically penetrating the middle of the fixing seat, and a constraint mechanism is provided in the fixing hole to fix the tail end of the cable.

[0009] Furthermore, the restraint mechanism includes at least two sets of sleeve rods arranged vertically. Each set of sleeve rods includes at least two sleeve rods evenly arranged circumferentially within the fixing hole. A sliding rod is slidably installed within each sleeve rod. One end of the sliding rod extends out of the sleeve rod and is fixedly fitted with a limit block. A spring connects the other end of the sliding rod to the wall of the fixing hole. When the remaining tail end is inserted into the fixing hole, the spring's own reaction force applies a certain force to the sliding rod, thereby fixing the tail end of the tow cable and preventing loosening.

[0010] Furthermore, the cable follower detection component includes a reciprocating screw and a guide rod arranged in parallel. The two ends of the reciprocating screw are rotatably connected to the corresponding side plate and / or support frame, and the two ends of the guide rod are fixedly connected to the corresponding side plate and / or support frame. The end of the reciprocating screw near the drive component is connected to the drive component for transmission. A reciprocating slider is threadedly connected to the middle of the reciprocating screw. The reciprocating slider and the guide rod are slidably connected along the length of the reciprocating screw. A detection hole and a passage hole are penetrating the surface of the reciprocating slider. A cable detection ring is installed in the detection hole. An inductive element is provided on the inner wall of the cable detection ring. The inductive element is electrically connected to the motor. When the inductive element senses current, it will cause the motor to stop. At this point, when inspecting the tow cable, the end of the tow cable can be passed through the passage hole and the inspection hole in sequence and then fixed to the cable end fixing component, and the tow cable is energized. Then, during the rotation of the roller, the tow cable will continuously pass through the inspection ring and be wound around the roller. As the tow cable passes through the inspection ring, the inductive element in the inspection ring will sense the tow cable. If a current is sensed, it indicates that the insulation layer of the tow cable is damaged at that point. At this time, the inductive element will send a signal to stop the motor to stop the winding, and repair or otherwise treat the damaged insulation layer of the tow cable. As the roller continues to rotate, the reciprocating slider will slide back and forth along the length of the reciprocating screw, winding the tow cable evenly layer by layer around the roller. Finally, after the tow cable is wound up, the remaining tail end can be inserted into the cable tail fixing component to fix the tail end of the tow cable and prevent it from loosening.

[0011] Furthermore, the driving component includes a support plate fixedly mounted on the corresponding side plate. A motor is mounted on the surface of the support plate via fasteners. The motor's power output shaft is connected to the connecting column on the corresponding side, and the motor's power output end is connected to the end of the reciprocating lead screw. In this configuration, the power output by the motor is directly transmitted to the roller, causing it to rotate; and indirectly transmitted to the reciprocating lead screw, causing it to rotate as well, ensuring that the reciprocating slider can move horizontally back and forth simultaneously during the rotation of the roller.

[0012] Furthermore, the drive unit also includes a first gear, a second gear, and a third gear. The first gear is fixedly mounted on the connecting column on the corresponding side, the third gear is fixedly mounted on the reciprocating lead screw, and the second gear is rotatably mounted on the support frame or side plate on the corresponding side. The second gear meshes with the first gear and the third gear at the same time, so that the power is transmitted from the connecting column to the reciprocating lead screw through the cooperation between the three gears.

[0013] Furthermore, the cable end fixing component includes a mounting groove formed on the roller surface. The bottom of the mounting groove has a threaded hole. A fixing plate is rotatably mounted on one end of the mounting groove. The surface of the fixing plate has two through holes, a first through hole and a second through hole. A fastener passes through the second through hole and can be threaded into the threaded hole. When fixing the end of the tow cable, the fixing plate can be flipped outwards first, then the end of the tow cable can be passed through the first through hole a certain length from the outside inwards. Then, the fixing plate can be flipped inwards again, placing the end of the tow cable between the bottom of the mounting groove and the fixing plate. Finally, the fastener is tightened to press the end of the tow cable firmly between the bottom of the mounting groove and the fixing plate, thus fixing the tow cable.

[0014] As can be seen from the above technical solutions, this utility model has the following advantages: On the one hand, this utility model can automatically rewind the towed cable after inspection through the cooperation between the roller set in the winding assembly and the cable follow-up detection component, without the need for manual winding, making the winding of the towed cable more labor-saving, thereby improving the inspection efficiency of the towed cable, reducing the working time of wear inspection, reducing reliance on manual labor, and saving enterprises a lot of labor costs; On the other hand, this utility model can fix the beginning and end of the towed cable through the cooperation of the cable head end fixing component and the cable tail end fixing component, so as to prevent the towed cable from loosening after winding, thereby avoiding problems such as the cable flying loosely on the drum after inspection, ensuring the safety of the cable itself, surrounding equipment, and personnel. Attached Figure Description

[0015] To more clearly illustrate the technical solution of this utility model, the drawings used in the description will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 The overall structure of the cable insulation wear detection device Figure 1 ;

[0017] Figure 2 The overall structure of the cable insulation wear detection device Figure 2 ;

[0018] Figure 3 A structural diagram of the cable end fixing component for a cable insulation wear detection device;

[0019] Figure 4 This is a structural diagram of the base plate and side plates of the cable insulation wear detection device.

[0020] Figure 5 for Figure 3 The enlarged structural diagram at point A is shown.

[0021] In the diagram: 10. Main component; 11. Base plate; 12. Side plate; 13. Support frame; 20. Rewinding assembly; 21. Support plate; 22. Roller; 23. Drive component; 231. Motor; 232. Connecting column; 233. First gear; 234. Second gear; 235. Third gear; 24. Cable follower detection component; 241. Reciprocating lead screw; 242. Reciprocating slider; 243. Guide rod; 244. Passage hole; 245. Detection... 246. Test hole; 25. Detection ring; 26. Cable end fixing component; 27. Mounting plate; 28. Positioning rod; 29. ​​Fixing base; 20. Fixing ring; 20. Sleeve rod; 20. Slide rod; 21. Limiting block; 22. Fixing hole; 23. Spring; 24. Cable beginning fixing component; 25. Fixing plate; 26. Through hole one; 26. Through hole two; 26. Fastener; 26. Mounting groove; 26. Threaded hole. Detailed Implementation

[0022] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiments. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this patent, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this patent.

[0023] like Figures 1 to 5 As shown, this utility model provides a cable insulation wear detection device, which includes a main body assembly 10 and a winding assembly 20 installed on the main body assembly 10.

[0024] The main body component 10 includes a base plate 11. A side plate 12 and a support frame 13 are provided at the left and right ends of the upper surface of the base plate 11. The support frame 13 is located inside the corresponding side plate 12 and together they are used to support the winding component 20.

[0025] A cable tail end fixing component 25 is provided at the front end of the upper surface of the base plate 11. The cable tail end fixing component 25 includes two mounting plates 251 fixed between the two side plates 12 and two positioning rods 252 fixed between the two side plates 12, and the two positioning rods 252 are respectively located above the two mounting plates 251. The cable tail end fixing component 25 also includes a fixing seat 253. The lower end of the fixing seat 253 is fixed to the upper surface of the two mounting plates 251, and the upper end of the fixing seat 253 is fixed to the two positioning rods 252 by a fixing ring 254. A fixing hole 258 is vertically penetrating the middle of the fixing seat 253. A constraint mechanism is provided in the fixing hole 258 and used to fix the tail end of the tow cable. Specifically, in this embodiment, the constraint mechanism includes at least two sets of sleeve rods arranged vertically in the fixing hole 258, and each set of sleeve rods includes at least two sleeve rods 255 evenly arranged circumferentially in the fixing hole 258. A slide rod 256 is slidably installed inside the sleeve rod 255. One end of the slide rod 256 extends out of the sleeve rod 255 and is fixedly fitted with an arc-shaped limiting block 257. A spring 259 connects the other end of the slide rod 256 to the wall of the fixing hole 258. When the remaining tail end is inserted into the fixing hole 258, the spring 259 exerts a certain force on the slide rod 256 through its own reaction force, thereby fixing the tail end of the tow cable and preventing it from loosening.

[0026] The winding assembly 20 includes a drive unit 23 disposed on one of the side plates 12, a roller 22 disposed between the two side plates 12, and a cable follower detection unit 24 disposed in front of the roller 22. Specifically, in this embodiment, the outer wall of the roller 22 is provided with a cable end fixing member 26. The cable end fixing member 26 includes a mounting groove 265 formed on the surface of the roller 22, and a threaded hole 266 is provided at the bottom of the mounting groove 265. A fixing plate 261 is rotatably mounted on one end of the mounting groove 265. The surface of the fixing plate 261 has a through hole 262 and a through hole 263, and the fastener 264 can be threadedly connected to the threaded hole 266 after passing through the through hole 263. At this time, when fixing the end of the towing cable, the fixing plate 261 can be flipped outward first, and then the end of the towing cable can be passed through the first through hole 262 for a certain length from the outside to the inside. Then the fixing plate 261 can be flipped inward again, and the end of the towing cable can be pressed between the bottom of the mounting groove 265 and the fixing plate 261, thereby fixing the towing cable. In order to ensure that the fastener 264 can be smoothly threaded into the threaded hole 266 after the fixing plate 261 is flipped, the diameter of the second through hole 263 can be slightly larger than the diameter of the threaded section of the fastener 264.

[0027] Both ends of the roller 22 are fixedly mounted with connecting columns 232. The connecting columns 232 are rotatably connected to the corresponding side plate 12 and support frame 13, and one of the connecting columns 232 is drive-connected to the power output end of the drive member 23. The cable follower detection member 24 includes a reciprocating screw 241 and a guide rod 243 arranged in parallel. The reciprocating screw 241 and the guide rod 243 are both arranged parallel to the roller 22. The two ends of the reciprocating screw 241 are rotatably connected to the corresponding side plate 12 and / or support frame 13, and the two ends of the guide rod 243 are fixedly connected to the corresponding side plate 12 and / or support frame 13. Furthermore, this invention also drive-connects the end of the reciprocating screw 241 near the drive member 23 to the power output end of the drive member 23, threads a reciprocating slider 242 to the middle of the reciprocating screw 241, and allows the reciprocating slider 242 and the guide rod 243 to slide along the length of the reciprocating screw 241. Furthermore, the surface of the reciprocating slider 242 in this utility model has a detection hole 245 and a passage hole 244. A cable detection ring 246 is installed in the detection hole 245. An inductive element is provided on the inner wall of the cable detection ring 246. The inductive element is electrically connected to the motor 231. When the inductive element senses the current, it will cause the motor 231 to stop.

[0028] The driving component 23 includes a support plate 21 fixedly mounted on a side plate 12 on the corresponding side. A motor 231 is mounted on the surface of the support plate 21 by fasteners 264, and the power output shaft of the motor 231 is connected to the connecting column 232 on the corresponding side for transmission. The driving component 23 also includes a first gear 233, a second gear 234, and a third gear 235. The first gear 233 is fixedly mounted on the connecting column 232 on the corresponding side, the third gear 235 is fixedly mounted on the reciprocating screw 241, and the second gear 234 is rotatably mounted on the support frame 13 or the side plate 12 on the corresponding side. The second gear 234 simultaneously meshes with the first gear 233 and the third gear 235, thereby transmitting power from the connecting column 232 to the reciprocating screw 241 through the cooperation of the three gears, and driving the reciprocating screw 241 to rotate.

[0029] Based on this, when using this utility model, firstly, the tow cable is passed through the passage hole 244, then through the detection ring 246 to the through hole 262, and finally the fixing plate 261 is fixed on the roller 22 to fix the beginning of the tow cable. At this time, the motor 231 is turned on, and the rotation of the motor 231 drives the connecting column 232 to rotate, which in turn drives the roller 22 to rotate and wind up the tow cable. At the same time, when the connecting column 232 rotates, it drives the first gear 233 to rotate, which in turn drives the second gear 234 to rotate, which in turn drives the third gear 235 to rotate, which in turn drives the reciprocating screw 241 to rotate. When the reciprocating screw 241 rotates, it drives the reciprocating slider 242 to move. When the reciprocating slider 242 moves to the left, the tow cable continuously passes through the detection ring 246 and winds around the roller 22. 2. When the rewinding mechanism moves from left to right, the trailing cable on roller 22 is rewound. During winding, the beginning of the trailing cable is energized. As the trailing cable passes through the detection ring 246, the inductive element inside the detection ring 246 senses the trailing cable. If a current is sensed, it indicates that the insulation layer of the trailing cable is damaged at that point. At this time, the inductive element sends a signal to stop motor 231 to stop winding. The damaged insulation layer of the trailing cable is then repaired or otherwise treated. Finally, after the trailing cable is wound up, the remaining end is inserted into the fixing hole 258. The spring 259's own reaction force resets the slide bar 256, thereby fixing the end of the trailing cable and preventing it from loosening.

[0030] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A cable insulation wear detection device, comprising a main body assembly (10), wherein a winding assembly (20) is mounted on the main body assembly (10), the winding assembly (20) includes a roller (22) rotatably mounted on the main body assembly (10), a driving member (23) is drivingly connected to the end of the roller (22), a cable head end fixing member (26) is provided on the outer wall of the roller (22), and a cable follow-up detection member (24) is provided on the outer side of the roller (22); characterized in that, The outer side of the roller (22) is also provided with a cable end fixing member (25), which is installed on the main body assembly (10).

2. The cable insulation wear detection apparatus according to claim 1, characterized by, The main component (10) includes a base plate (11), and the upper surface of the base plate (11) is provided with two side plates (12) and two support frames (13); the two side plates (12) are respectively provided on both sides of the roller (22), and the two support frames (13) are also respectively provided on both sides of the roller (22); both ends of the roller (22) are fixedly installed with connecting columns (232), and the connecting columns (232) are rotatably connected to the side plate (12) and support frame (13) on the corresponding side; the driving component (23) is installed on one of the side plates (12), and the power output end of the driving component (23) is connected to the connecting column (232) on the corresponding side.

3. The cable insulation wear detection apparatus of claim 2, wherein, The cable end fixing component (25) includes two mounting plates (251) fixed between two side plates (12) and two positioning rods (252) fixed between two side plates (12). The two positioning rods (252) are located above the two mounting plates (251) respectively. The cable end fixing component (25) also includes a fixing seat (253). The lower end of the fixing seat (253) is fixed to the upper surface of the two mounting plates (251). The upper end of the fixing seat (253) is fixed to the two positioning rods (252) by a fixing ring (254). A fixing hole (258) is vertically penetrating the middle of the fixing seat (253). A constraint mechanism is provided in the fixing hole (258).

4. The cable insulation wear detection apparatus of claim 3, wherein The constraint mechanism includes at least two sets of sleeve rods arranged vertically. Each set of sleeve rods includes at least two sleeve rods (255) evenly arranged circumferentially in the fixing hole (258). A slide rod (256) is slidably installed in the sleeve rod (255). One end of the slide rod (256) extends out of the sleeve rod (255) and is fixedly provided with a limit block (257). A spring (259) is connected between the other end of the slide rod (256) and the hole wall of the fixing hole (258).

5. The cable insulation wear detection apparatus of claim 2, wherein, The cable follower detection component (24) includes a reciprocating screw (241) and a guide rod (243) arranged in parallel. The two ends of the reciprocating screw (241) are rotatably connected to the side plate (12) and / or support frame (13) on the corresponding side. The two ends of the guide rod (243) are fixedly connected to the side plate (12) and / or support frame (13) on the corresponding side. The end of the reciprocating screw (241) near the drive member (23) is connected to the drive member (23) for transmission. The middle part of the reciprocating screw (241) is threaded with a reciprocating slider (242). The reciprocating slider (242) and the guide rod (243) are slidably connected along the length direction of the reciprocating screw (241). The surface of the reciprocating slider (242) has a detection hole (245) and a passage hole (244). A cable detection ring (246) is installed in the detection hole (245).

6. The cable insulation wear detection apparatus of claim 5, wherein, The drive unit (23) includes a support plate (21) fixedly installed on the corresponding side plate (12). A motor (231) is installed on the surface of the support plate (21) by fasteners (264). The power output shaft of the motor (231) is connected to the connecting column (232) on the corresponding side. The power output end of the motor (231) is connected to the end of the reciprocating screw (241).

7. The cable insulation wear detection apparatus of claim 6, wherein, The drive unit (23) also includes a first gear (233), a second gear (234) and a third gear (235). The first gear (233) is fixedly mounted on the connecting column (232) on the corresponding side, the third gear (235) is fixedly mounted on the reciprocating lead screw (241), and the second gear (234) is rotatably mounted on the support frame (13) or side plate (12) on the corresponding side, and the second gear (234) simultaneously meshes with the first gear (233) and the third gear (235).

8. The cable insulation wear detection apparatus of claim 1, wherein, The cable end fixing component (26) includes a mounting groove (265) opened on the surface of the roller (22). The bottom of the mounting groove (265) is provided with a threaded hole (266). A fixing plate (261) is rotatably mounted on one end of the mounting groove (265). The surface of the fixing plate (261) has a through hole one (262) and a through hole two (263). The fastener (264) can be threadedly connected to the threaded hole (266) after passing through the through hole two (263).

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