A cable maintenance safety detection device

Abstract

The invention discloses a cable maintenance safety detection device, which belongs to the field of cable detection devices. The cable maintenance safety detection device can realize bending from bottom to top, from top to bottom, from right to left and from left to right in sequence when the cable passes through the conductive liquid box through a cable guide mechanism 1, a cable guide mechanism 2, a cable guide mechanism 3 and a cable guide mechanism 4 arranged inside the conductive liquid box, so as to achieve bending effects in four directions of up, down, left and right in sequence at the cable cross section, and the cable is supported by a cable pulley 1 at the most middle position on the corresponding cable guide mechanism, and is also supported by two cable pulleys 2 on both sides from the opposite direction, and when the distance that the two cable pulleys 2 are supported and fed in from the opposite direction is adjusted, the bending degree of the cable passing through the top of the cable pulley 1 can be adjusted, which is beneficial for the elastic cable skin-breaking part to fully contact with the conductive liquid, thereby improving the reliability of detection.

Description

Technical Field

[0001] The present invention relates to the field of cable detection devices, and more specifically to a cable maintenance safety detection device. Background Art

[0002] Cable is a conductive wire used to transmit electricity, communication signals or data. With the advancement of science and technology and the continuous improvement of production processes, existing cables have not only been significantly improved in terms of structural strength and conductivity, but also brought many conveniences to people's production and life. In order to ensure the safety of cables after leaving the factory, cables are generally required to undergo safety inspections before leaving the factory. One of the inspections includes inspecting the outer sheath of the cable to prevent damage to the cable sheath and destroying its internal insulation. Therefore, a conductive liquid immersion device is generally used for inspection. By immersing the cable in a conductive liquid and monitoring in real time whether the conductive liquid is charged, it can be determined whether the immersed cable part has broken skin, thereby achieving the purpose of safety inspection.

[0003] Since the outer skin of the cable has a certain elasticity, when it passes through the conductive liquid box and is immersed in the conductive liquid contained therein, in order to expand the damaged part of the outer skin as much as possible, a pulley mechanism for guiding the bending direction of the cable is generally installed inside the conductive liquid box. However, the existing pulley mechanism for guiding the bending direction of the cable has a relatively single guiding direction, and it is difficult to guide the cable to bend one by one in the four directions of up, down, left and right, and there is a lack of corresponding bending degree adjustment mechanism, which is not conducive to the elastic broken skin of the cable to fully contact with the conductive liquid, affecting the reliability of detection. Therefore, we propose a cable maintenance safety detection device to solve the above-mentioned problems. Summary of the invention

[0004] In view of the problems existing in the prior art, the object of the present invention is to provide a cable maintenance safety detection device, which can realize bending from bottom to top, from top to bottom, from right to left and from left to right in sequence when the cable passes through the conductive liquid box through a cable guide mechanism 1, a cable guide mechanism 2, a cable guide mechanism 3 and a cable guide mechanism 4 arranged inside the conductive liquid box, so that the cable can be bent from bottom to top, from top to bottom, from right to left and from left to right in sequence, so as to achieve the bending effect of completing the bending effect in four directions of up, down, left and right in sequence at the cable cross section, and reduce the effect that the cable skin-breaking part is not fully in contact with the conductive liquid; and the distance between the cable pulley 1 on each cable guide mechanism and the inner wall of the outer arc groove is adjustable, so as to meet the guiding and clamping requirements of cables of different diameters and improve the stability of the cable when it is guided and advanced, and the cable is supported by the cable pulley 1 at the most middle position on the corresponding cable guide mechanism, and is also supported by two cable pulleys 2 on both sides from the opposite direction, and when the distance of the two cable pulleys 2 supported and fed from the opposite direction is adjusted, the bending degree of the cable passing through the top of the cable pulley 1 can be adjusted, so as to realize the adjustment function of the cable bending degree, which is conducive to the elastic cable skin-breaking part to be fully in contact with the conductive liquid, and improve the reliability of detection.

[0005] To solve the above problems, the present invention adopts the following technical solutions.

[0006] A cable maintenance safety detection device comprises a conductive liquid box, wherein a first cable guide mechanism, a second cable guide mechanism, a third cable guide mechanism and a fourth cable guide mechanism having the same structure are arranged inside the conductive liquid box, wherein the first cable guide mechanism, the second cable guide mechanism, the third cable guide mechanism and the fourth cable guide mechanism are arranged in different directions, and the first cable guide mechanism, the second cable guide mechanism, the third cable guide mechanism and the fourth cable guide mechanism correspond to each other end to end in pairs;

[0007] The second cable guiding mechanism comprises an outer arc groove, an inner wall plate is fixedly welded inside the outer arc groove through a group of cross bars, a rotating shaft is fixedly welded at the center position of the inner wall plate, an adjusting disk is rotatably connected to the rotating shaft, the adjusting disk and the end of the rotating shaft are fixedly installed by a fastening nut, three slide grooves are evenly arranged on the inner wall plate located at the top of the rotating shaft, a telescopic rod is arranged between the inner wall plate and the adjusting disk at the corresponding slide groove positions, a cable pulley is rotatably connected at the top end of the telescopic rod, a group of positioning piles are slidably connected inside the slide groove, one end of the group of positioning piles is fixedly welded to the corresponding inner wall of the telescopic rod, three arc grooves are evenly arranged on the adjusting disk, a positioning pile second is slidably connected inside the arc groove, one end of the positioning pile second is fixedly welded to the corresponding outer wall of the telescopic rod;

[0008] A through opening is provided at a position between two adjacent cable pulleys and on the outer arc groove at the top of the outer arc groove. Support rollers 1 are rotatably connected to both sides of the through opening at the top through pins, and connecting pieces are fixedly welded on the other two through openings. An adjusting screw is threadedly connected to the inner surface of the connecting piece. A wrench is fixedly installed on the end of the top of the adjusting screw, and a cable pulley 2 is rotatably connected to the end of the bottom of the adjusting screw. A plurality of support rollers 2 are also rotatably connected to both sides of the inner wall of the bottom of the outer arc groove through pins.

[0009] Furthermore, the outer arc grooves located on the cable guiding mechanism one, the cable guiding mechanism two, the cable guiding mechanism three and the cable guiding mechanism four are all fixedly installed on the inner wall of the conductive liquid box through a U-shaped bracket, the outer arc grooves of the cable guiding mechanism one and the cable guiding mechanism two are fixedly installed through a group of reinforcing plates one, and the outer arc grooves of the cable guiding mechanism three and the cable guiding mechanism four are fixedly installed through a group of reinforcing plates two.

[0010] Furthermore, a column one is fixedly welded on one side of the inner wall of the conductive liquid box located at the connection between the cable guiding mechanism two and the cable guiding mechanism three, and a guide pulley one is fixedly installed on the end of the column one, and a column two is fixedly welded on the bottom of the inner wall of the conductive liquid box located on one side of the cable guiding mechanism four, and a guide pulley two is fixedly installed on the top end of the column two.

[0011] Furthermore, a guide pulley three is fixedly installed on the top of the inner wall of the conductive liquid box body corresponding to the position of the cable guiding mechanism one, and a guide pulley four is fixedly installed on the top of the inner wall of the conductive liquid box body corresponding to the position of the guide pulley two.

[0012] Furthermore, the depth of the inner wall of the conductive liquid box is greater than the distance between the second top of the cable guiding mechanism and the bottom of the inner wall of the conductive liquid box.

[0013] Furthermore, the pulley bodies of the cable pulley 1 and the cable pulley 2 both have a pulley body structure with a concave edge.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) In this solution, the cable guide mechanism 1, the cable guide mechanism 2, the cable guide mechanism 3 and the cable guide mechanism 4 are arranged inside the conductive liquid box, so that the cable can be bent from bottom to top, from top to bottom, from right to left and from left to right in sequence when passing through, so as to achieve the bending effect of the four directions of up, down, left and right in sequence at the cross section of the cable, thereby reducing the effect that the broken part of the cable is not in full contact with the conductive liquid;

[0016] (2) In this scheme, the distance between the cable pulley 1 on each cable guiding mechanism and the inner wall of the outer arc groove is adjustable, which is convenient for meeting the guiding and clamping requirements of cables of different diameters and improving the stability of the cable during guiding. In addition, the cable is supported by the cable pulley 1 at the middle position on the corresponding cable guiding mechanism, and is also supported by two cable pulleys 2 on both sides from the opposite direction. By adjusting the distance of the two cable pulleys 2 supporting from the opposite direction, the bending degree of the cable passing through the top of the cable pulley 1 can be adjusted, thereby realizing the function of adjusting the bending degree of the cable, which is conducive to the elastic cable skin breaking part to fully contact with the conductive liquid, thereby improving the reliability of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the internal cross-section structure of the conductive liquid box of the present invention;

[0019] Figure 3 For the present invention Figure 2 Schematic diagram of the structure of the middle part of the area;

[0020] Figure 4 It is a structural schematic diagram of the second cable guiding mechanism of the present invention;

[0021] Figure 5 It is a schematic diagram of the two-split structure of the cable guiding mechanism of the present invention;

[0022] Figure 6 It is a schematic diagram of the inner wall plate structure of the present invention.

[0023] Description of the numbers in the figure:

[0024] 1. Conductive liquid box; 2. Cable guide mechanism 1; 3. Cable guide mechanism 2; 301. Outer arc groove; 302. Cross bar; 303. Inner wall plate; 304. Rotating shaft; 305. Adjusting plate; 306. Fastening nut; 307. Slide groove; 308. Telescopic rod; 309. Cable pulley 1; 310. Arc groove; 311. Positioning pile 2; 312. Through opening; 313. Support roller 1; 314. Connecting piece; 315. Adjusting screw; 316. Cable pulley 2; 317. Support roller 2; 4. Cable guide mechanism 3; 5. Cable guide mechanism 4; 6. U-shaped bracket; 7. Reinforcement sheet 1; 8. Reinforcement sheet 2; 9. Guide pulley 1; 10. Guide pulley 2; 11. Guide pulley 3; 12. Guide pulley 4. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the specification of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention. Example 1

[0026] See also Figure 1-Figure 6 A cable maintenance safety detection device comprises a conductive liquid box 1, wherein a cable guide mechanism 1 2, a cable guide mechanism 2 3, a cable guide mechanism 3 4 and a cable guide mechanism 4 5 having the same structure are arranged inside the conductive liquid box 1, wherein the cable guide mechanism 1 2, the cable guide mechanism 2 3, the cable guide mechanism 3 4 and the cable guide mechanism 4 5 are arranged in different directions, and the cable guide mechanism 1 2, the cable guide mechanism 2 3, the cable guide mechanism 3 4 and the cable guide mechanism 4 5 correspond to each other end to end;

[0027] The cable guide mechanism 2 3 includes an outer arc groove 301, an inner wall plate 303 is fixedly welded inside the outer arc groove 301 through a group of cross bars 302, a rotating shaft 304 is fixedly welded at the center of the inner wall plate 303, an adjusting disk 305 is rotatably connected to the rotating shaft 304, and the adjusting disk 305 is fixedly installed to the end of the rotating shaft 304 by a fastening nut 306, and three chute grooves 307 are evenly spaced on the inner wall plate 303 at the top of the rotating shaft 304, and the inner side of the corresponding chute 307 is fixedly connected to the inner side of the rotating shaft 304. A telescopic rod 308 is provided between the wall plate 303 and the adjusting plate 305. A cable pulley 309 is rotatably connected to the top end of the telescopic rod 308. A group of positioning piles 1 are slidably connected inside the slide groove 307. One end of the group of positioning piles 1 is fixedly welded to the inner wall of the corresponding telescopic rod 308. Three arc grooves 310 are equidistantly provided on the adjusting plate 305. A positioning pile 2 311 is slidably connected inside the arc groove 310. One end of the positioning pile 2 311 is fixedly welded to the outer wall of the corresponding telescopic rod 308.

[0028] A through opening 312 is provided on the outer arc groove 301 between two adjacent cable pulleys 309 and at the top of the outer arc groove 301. Support rollers 313 are rotatably connected to both sides of the through opening 312 at the top through a pin shaft. Connecting pieces 314 are fixedly welded to the other two through openings 312. An adjusting screw 315 is threadedly connected to the inner part of the connecting piece 314. A screwdriver is fixedly installed on the end of the top of the adjusting screw 315. A cable pulley 316 is rotatably connected to the end of the bottom of the adjusting screw 315. A plurality of supporting rollers 317 are also rotatably connected to both sides of the inner wall of the bottom of the outer arc groove 301 through a pin shaft.

[0029] A guide pulley three 11 is fixedly installed on the top of the inner wall of the conductive liquid box body 1 at the position corresponding to the cable guide mechanism one 2, and a guide pulley four 12 is fixedly installed on the top of the inner wall of the conductive liquid box body 1 at the position corresponding to the guide pulley two 10.

[0030] (1) The preliminary adjustment process of this cable maintenance safety detection device is as follows:

[0031] First, the handles on the cable guide mechanism 1 2, the cable guide mechanism 2 3, the cable guide mechanism 3 4 and the cable guide mechanism 4 5 are rotated to drive the corresponding adjusting screws 315 to rotate, and the corresponding cable pulley 2 316 is adjusted to a state of being retracted into the outer arc groove 301, and then the fastening nuts 306 on the rotating cable guide mechanism 1 2, the cable guide mechanism 2 3, the cable guide mechanism 3 4 and the cable guide mechanism 4 5 are loosened in turn, and the adjusting disk 305 is rotated so that the adjusting disk 305 can drive the telescopic rod 308 to be extended and retracted through the connection between the arc groove 310 and the positioning pile 2 311, until the distance between the cable pulley 1 309 on the telescopic rod 308 and the support roller 1 313 or the support roller 2 317 meets the outer diameter size cable stable limit clamping, the rotation adjustment of the adjusting disk 305 can be stopped, and then it can be fixed and installed by fastening the nut 306 to prevent the adjusting disk 305 from self-rotation loosening, and the preliminary adjustment work can be completed at this time;

[0032] (2) The detection process of this cable maintenance safety detection device is as follows:

[0033] First, fill the conductive liquid box 1 with conductive liquid, and make the top of the conductive liquid surface submerge the top of the cable guide mechanism 2 3, then first guide one end of the cable to the position of the cable guide mechanism 1 2 through the guide pulley 3 11, and make the cable pass through the position between the outer arc groove 301 and the adjustment disk 305, and the cable is also clamped between the cable pulley 1 309 and the support roller 1 313 or the support roller 2 317, and then continue to guide the cable to the inside of the cable guide mechanism 2 3 along the connection between the cable guide mechanism 1 2 and the cable guide mechanism 2 3 in the same way, and then continue to guide the cable to the inside of the cable guide mechanism 3 4 through the guide pulley 1 9 in the same way, and then continue to guide the cable to the position of the guide pulley 2 10 along the connection between the cable guide mechanism 3 4 and the cable guide mechanism 4 5 in the same way, and then pass through the bottom of the guide pulley 2 10 wheel body and then lead out through the top of the guide pulley 4 12, at this time, the cable guiding process inside the conductive liquid box 1 can be completed;

[0034] Then adjust the screws on the cable guide mechanism 1 2, the cable guide mechanism 2 3, the cable guide mechanism 3 4 and the cable guide mechanism 4 5 respectively, so that the adjusting screw 315 is driven to rotate and the cable pulley 2 316 is urged to squeeze and feed the cable from the other side, so that the cable is better bent when passing through the top of the cable pulley 1 309 wheel body, which is conducive to fully opening the cable skin breakage;

[0035] Then, power is connected to both ends of the cable, and a traction device is used to pull the cable at one end of the cable near the guide pulley 12, so that the cable can gradually pass through the conductive liquid in the energized state, that is, it passes in the order of bending from bottom to top, bending from top to bottom, bending from right to left, and bending from left to right, and during this period, the conductive liquid is detected in real time using an electric pen. When the electric pen detects that there is electricity in the conductive liquid, it means that the section of cable inside the conductive liquid box 1 has a broken skin and leakage, and the section of cable does not meet the standards and has a safety hazard in use, and cannot be shipped out of the factory for use later. When the electric pen detects that there is no electricity in the conductive liquid, it means that the section of cable has no broken skin and leakage, and the section of cable meets the standards and has no safety hazard in use, and can be shipped out of the factory for use normally later. Example 2

[0036] In view of the above embodiment 1, for further description, refer to Figure 3 The outer arc grooves 301 on the cable guide mechanism 1 2, the cable guide mechanism 2 3, the cable guide mechanism 3 4 and the cable guide mechanism 4 5 are all fixedly installed on the inner wall of the conductive liquid box 1 through a U-shaped bracket 6. The outer arc grooves 301 of the cable guide mechanism 1 2 and the cable guide mechanism 2 3 are fixedly installed by a group of reinforcing plates 1 7. The outer arc grooves 301 of the cable guide mechanism 3 4 and the cable guide mechanism 4 5 are fixedly installed by a group of reinforcing plates 2 8. A column one is fixedly welded to one side of the inner wall of the conductive liquid box 1 at the connection, and a guide pulley one 9 is fixedly installed at the end of the column one. A column two is fixedly welded to the bottom of the inner wall of the conductive liquid box 1 located on one side of the cable guide mechanism four 5, and a guide pulley two 10 is fixedly installed at the top end of the column two. The inner wall depth of the conductive liquid box 1 is higher than the distance between the top of the cable guide mechanism two 3 and the bottom of the inner wall of the conductive liquid box 1. The pulley bodies of the cable pulley one 309 and the cable pulley two 316 both have a pulley body structure with a concave edge.

[0037] By setting the reinforcing sheet 1 7 and the reinforcing sheet 2 8, the structural strength of the connection between adjacent outer arc grooves 301 can be improved, and the stability of the installation structure can be improved. The guide pulley 1 9 and the guide pulley 2 10 play a guiding role in the direction of the cable, so that the cable can move smoothly; the inner wall depth of the conductive liquid box 1 is higher than the distance between the top of the cable guide mechanism 2 3 and the bottom of the inner wall of the conductive liquid box 1, which can prevent the cable at the top of the cable guide mechanism 2 3 from being difficult to contact with the conductive liquid due to insufficient conductive liquid filling; the pulley body structure of the cable pulley 1 309 and the cable pulley 2 316 both have a concave edge shape, so that the contact surface between the cable and the pulley body of the cable pulley 1 309 and the cable pulley 2 316 can be made larger, reducing the risk of the cable falling off during movement.

[0038] The above is only a preferred specific implementation of the present invention; however, 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 solution and its improved conception within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cable maintenance safety detection device, comprising a conductive liquid box (1), characterized in that: The conductive liquid box (1) is provided with a first cable guide mechanism (2), a second cable guide mechanism (3), a third cable guide mechanism (4) and a fourth cable guide mechanism (5) having the same structure. The first cable guide mechanism (2), the second cable guide mechanism (3), the third cable guide mechanism (4) and the fourth cable guide mechanism (5) are all arranged in different directions, and the first cable guide mechanism (2), the second cable guide mechanism (3), the third cable guide mechanism (4) and the fourth cable guide mechanism (5) correspond to each other end to end. The second cable guide mechanism (3) comprises an outer arc groove (301), an inner wall plate (303) is fixedly welded inside the outer arc groove (301) via a group of cross bars (302), a rotating shaft (304) is fixedly welded at the center of the inner wall plate (303), an adjusting disk (305) is rotatably connected to the rotating shaft (304), the adjusting disk (305) is fixedly installed to the end of the rotating shaft (304) via a fastening nut (306), three slide grooves (307) are equidistantly provided on the inner wall plate (303) at the top of the rotating shaft (304), and the corresponding positions of the slide grooves (307) are A telescopic rod (308) is provided between the inner wall plate (303) and the adjusting disk (305); a cable pulley 1 (309) is rotatably connected to the top end of the telescopic rod (308); a group of positioning piles 1 are slidably connected inside the slide groove (307); one end of the group of positioning piles 1 is fixedly welded to the inner wall of the corresponding telescopic rod (308); three arc grooves (310) are equidistantly provided on the adjusting disk (305); a positioning pile 2 (311) is slidably connected inside the arc groove (310); one end of the positioning pile 2 (311) is fixedly welded to the outer wall of the corresponding telescopic rod (308); A through opening (312) is provided on the outer arc groove (301) between two adjacent cable pulleys (309) and at the top of the outer arc groove (301). Both sides of the through opening (312) at the top are rotatably connected to support rollers (313) via pins. The other two through openings (312) are fixedly welded with connecting pieces (314). An adjusting screw (315) is internally threadedly connected to the connecting piece (314). A wrench is fixedly installed on the end of the top of the adjusting screw (315). A cable pulley (316) is rotatably connected to the end of the bottom of the adjusting screw (315). A plurality of supporting rollers (317) are also rotatably connected to the inner wall of the bottom of the outer arc groove (301) via pins.

2. A cable maintenance safety detection device according to claim 1, characterized in that: The outer arc-shaped grooves (301) located on the cable guide mechanism one (2), the cable guide mechanism two (3), the cable guide mechanism three (4) and the cable guide mechanism four (5) are all fixedly mounted on the inner wall of the conductive liquid box (1) through a U-shaped bracket (6); the outer arc-shaped grooves (301) of the cable guide mechanism one (2) and the cable guide mechanism two (3) are fixedly mounted through a group of reinforcing plates one (7); and the outer arc-shaped grooves (301) of the cable guide mechanism three (4) and the cable guide mechanism four (5) are fixedly mounted through a group of reinforcing plates two (8).

3. A cable maintenance safety detection device according to claim 1, characterized in that: A column one is fixedly welded to one side of the inner wall of the conductive liquid box (1) at the connection between the second cable guide mechanism (3) and the third cable guide mechanism (4), and a guide pulley one (9) is fixedly mounted on the end of the column one. A column two is fixedly welded to the bottom of the inner wall of the conductive liquid box (1) on one side of the fourth cable guide mechanism (5), and a guide pulley two (10) is fixedly mounted on the top end of the column two.

4. A cable maintenance safety detection device according to claim 3, characterized in that: A guide pulley three (11) is fixedly installed on the top of the inner wall of the conductive liquid box (1) at the position corresponding to the cable guide mechanism one (2), and a guide pulley four (12) is fixedly installed on the top of the inner wall of the conductive liquid box (1) at the position corresponding to the guide pulley two (10).

5. A cable maintenance safety detection device according to claim 1, characterized in that: The depth of the inner wall of the conductive liquid box (1) is greater than the distance between the top of the second cable guide mechanism (3) and the bottom of the inner wall of the conductive liquid box (1).

6. A cable maintenance safety detection device according to claim 1, characterized in that: The pulley bodies of the cable pulley 1 (309) and the cable pulley 2 (316) both have a pulley body structure with an inwardly concave edge.

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