CN113607120A

CN113607120A - Cable damage detection device

Info

Publication number: CN113607120A
Application number: CN202110881984.9A
Authority: CN
Inventors: 陈玲; 石锦婷; 转小赛; 王雨
Original assignee: Anhui Institute of Information Engineering
Current assignee: Anhui Institute of Information Engineering
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-11-05

Abstract

The invention discloses a cable damage detection device, wherein one end of a rack is provided with an elastic expansion assembly, a pressure sensing assembly is sleeved outside the elastic expansion assembly, an ink jet system is arranged above the outer side of the elastic expansion assembly, the ink jet system and the pressure sensing assembly are both electrically connected with a PLC (programmable logic controller), the other end of the rack is provided with a thermal straightening assembly, the thermal straightening assembly and the elastic expansion assembly are coaxially arranged, when a bulge passes through the elastic expansion assembly, the elastic expansion assembly elastically presses the pressure sensing assembly to generate a pressure signal, the signal is transmitted to the PLC controller and controls the ink jet system to mark the bulge, and the thermal straightening assembly straightens a cable and then transmits the cable into the elastic expansion assembly. The invention can continuously detect the flatness of the surface insulating layer of the cable, when the bulge on the surface of the cable passes through the narrow opening formed by the arc-shaped elastic sheet, the bulge is effectively sprayed and marked, and then the bulge is uniformly processed after marking, so that the cable detection efficiency is high.

Description

Cable damage detection device

Technical Field

The invention relates to the field of cable damage detection, in particular to a cable damage detection device.

Background

The processing technologies of extrusion temperature, extrusion speed, crosslinking speed and the like adopted by silane crosslinked cable materials of different manufacturers are different, the appearance quality problem is inevitably caused in the production process of the insulated cable, the quality problem comprises uneven surface, bulging and the like, the problems are mainly caused by the occurrence of a glue generation phenomenon in the production process, namely an insulation stiff block or a hard block, so that the uneven hard block appears on the surface of an insulated wire core, or old glue miscellaneous particles are mixed in the insulated layer, so that the uneven insulating layer appears, the uneven density and the insulation performance of the insulating layer appear in the raised parts, the damage and the aging are easily caused in the later use process, and the detection of the bulging damage of the cable is required after the cable is produced or before the cable is used.

The existing cable surface protrusion detection device needs to perform flatness detection by ultrasonic or laser after a cable is stretched straight, and because two ends of the cable need to be fixed and stretched straight, continuous detection of the cable cannot be performed, and the detection efficiency and speed are influenced.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: the problem and the defect that exist in the protruding swell detection technique of current cable surface are solved.

In order to solve the technical problems, the invention provides the following technical scheme:

the utility model provides a cable damage detection device, includes the frame, the one end of frame is equipped with elasticity expansion subassembly, elasticity expansion subassembly overcoat is equipped with pressure and feels the subassembly, elasticity expansion subassembly's outside top is equipped with the ink jet system, the equal electric connection PLC controller of ink jet system and pressure sense subassembly, the other end of frame is equipped with hot alignment subassembly, hot alignment subassembly and the coaxial setting of elasticity expansion subassembly, the bulge arch appears in the cable surface passes during the elasticity expansion subassembly, elasticity expansion subassembly bullet pressure sense subassembly produces pressure signal, pressure signal spreads into the PLC controller and controls the ink jet system at bulge department mark, send into elasticity expansion subassembly after the heat alignment subassembly with the cable alignment.

Preferably, the elastic expansion assembly comprises an installation ring, a front plate is arranged on the rack, the installation ring is arranged on the front plate, a plurality of arc-shaped elastic pieces are circumferentially arranged on the outer side of the installation ring, the arc-shaped elastic pieces surround the installation ring to form a conical tubular hollow structure for cables to pass through, and a pressure sensing assembly is sleeved outside the arc-shaped elastic pieces.

Preferably, the pressure sensing subassembly contains the pressure sensing circle, outside the arc shell fragment was located to the pressure sensing circle cover to with the coaxial setting of collar, evenly be equipped with a plurality of pressure sensors on the pressure sensing circle inner wall, pressure sensor and PLC controller input electric connection, the top of pressure sensing circle is equipped with branch, threaded connection has lock nut on the branch, the front bezel outside is equipped with the mounting bar, be equipped with logical groove on the mounting bar, branch is located logical inslot and is fixed a position through lock nut, inkjet system locates the mounting bar outside terminal.

Preferably, the ink jet system comprises an ink box and an ink jet port, the ink box is arranged at the tail end of the outer side of the mounting bar, the ink jet port is arranged at the bottom of the ink box and is arranged above the outer side of the arc-shaped elastic sheet, and the ink jet port is electrically connected with the output end of the PLC.

Preferably, hot alignment subassembly contains two compression rollers of perpendicular setting, be equipped with well frame in the frame, the upper reaches of erection circle are erect in well, two compression rollers rotate to be connected in well frame, and the cable passes through between two compression rollers, the other end of frame is equipped with the back plate, be equipped with spacing section of thick bamboo on the back plate, still be equipped with the electric heating wire that the power cable passes through in the frame, electric heating wire locates between spacing section of thick bamboo and the compression roller, electric heating wire, erection circle and the equal coaxial setting of spacing section of thick bamboo.

The invention has the following beneficial effects:

the method can continuously detect the flatness of the surface insulating layer of the cable, when the bulge on the surface of the cable passes through the narrow opening formed by the arc-shaped elastic sheet, the arc-shaped elastic sheet can be expanded and supported, the pressure sensing ring is pressed, an ink jet signal is formed, the ink jet opening is controlled by the PLC to spray and mark the bulge, the method can continuously detect the bulge, the bulge is uniformly processed after the bulge is marked, and the detection efficiency of the cable is high. The thermal alignment assembly can align the cable before surrounding the formed conical tubular structure through the arc-shaped elastic sheet, so that the arc-shaped elastic sheet is prevented from touching the pressure sensing ring due to radian or distortion of the cable, and a false positive detection result is prevented.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of the present invention;

fig. 3 is a sectional view taken along line a-a in fig. 2.

The device comprises a rack 1, a front plate 11, a front plate 12, a rear plate 13, a middle frame 2, a cable 3, a mounting ring 31, an arc-shaped elastic sheet 4, a mounting bar 41, a locking nut 42, a through groove 5, an ink box 51, an ink jet nozzle 6, a PLC controller 7, a pressure sensing ring 71, a support rod 8, a press roller 8, an electric heating wire 9 and a limiting cylinder 10.

Detailed Description

The following examples are included to provide further detailed description of the present invention and to provide those skilled in the art with a more complete, concise, and exact understanding of the principles and spirit of the invention.

Example 1: as shown in fig. 1-3, a cable damage detection device, including frame 1, the one end of frame 1 is equipped with the elasticity expansion subassembly, the elasticity expansion subassembly overcoat is equipped with pressure sensing subassembly, the outside top of elasticity expansion subassembly is equipped with ink jet system, the equal electric connection PLC controller 6 of ink jet system and pressure sensing subassembly, the other end of frame 1 is equipped with hot alignment subassembly, hot alignment subassembly and the coaxial setting of elasticity expansion subassembly, the bulge arch appears in the 2 surfaces of cable and passes during the elasticity expansion subassembly, elasticity expansion subassembly bullet pressure sensing subassembly produces pressure signal, pressure signal spreads into PLC controller 6 and controls ink jet system at bulge department mark, send into the elasticity expansion subassembly after the heat alignment subassembly is with the 2 alignments of cable.

In this embodiment, the elastic expansion assembly includes mounting ring 3, be equipped with front bezel 11 in the frame 1, mounting ring 3 is located on

front bezel

11, 3 outside circumference of mounting ring is equipped with a plurality of arc shell fragments 31, arc shell fragment 31 passes around forming taper tubular hollow structure power supply cable 2, arc shell fragment 31 overcoat is equipped with pressure and feels the subassembly. The arc-shaped elastic sheet 31 can be made of high-elasticity steel, and the narrow opening of the conical pipeline formed by the arc-shaped elastic sheet 31 needs to be subjected to rounding treatment to prevent the cable from being damaged.

In this embodiment, the pressure sensing subassembly contains pressure sensing circle 7, outside arc shell fragment 31 was located to 7 covers of pressure sensing circle to with the coaxial setting of installing collar 3, evenly be equipped with a plurality of pressure sensors on the 7 inner walls of pressure sensing circle, pressure sensor and the 6 input electric connection of PLC controller, the top of pressure sensing circle 7 is equipped with branch 71, threaded connection has lock nut 41 on the branch 71, the front bezel 11 outside is equipped with mounting bar 4, be equipped with logical groove 42 on the mounting bar 4, branch 71 is located logical inslot 42 and is fixed a position through lock nut 41, ink jet system locates 4 outside ends of mounting bar.

In this embodiment, the ink jet system includes an ink cartridge 5 and an ink jet port 51, the ink cartridge 5 is disposed at the outer end of the mounting bar 4, the ink jet port 51 is disposed at the bottom of the ink cartridge 5 and above the outer side of the arc-shaped elastic piece 31, and the ink jet port 51 is electrically connected to the output end of the PLC controller 6. The opening and closing of the ink jet port 51 can be controlled by an electromagnetic valve, and the electromagnetic valve is electrically connected with the PLC.

In this embodiment, hot alignment subassembly contains two compression rollers 8 of perpendicular setting, be equipped with well frame 13 in the frame 1, the upper reaches of erection ring 3 are located to well frame 13, two compression rollers 8 rotate to be connected in well frame 13, and cable 2 passes through between two compression rollers 8 from, the other end of frame 1 is equipped with back plate 12, be equipped with spacing section of thick bamboo 10 on the back plate 12, still be equipped with the electric heating wire 9 that supplies cable 2 to pass through in the frame 1, electric heating wire 9 locates between spacing section of thick bamboo 10 and the compression roller 8, electric heating wire 9, erection ring 3 and the equal coaxial setting of spacing section of thick bamboo 10. The outer edges of the press rolls 8 are concave, a hole similar to a circle is formed between the two press rolls 8, and the cable 2 passes through the hole

The working process and principle are as follows:

before detection, the starting end of the cable sequentially passes through a limiting cylinder 10, an electric heating wire 9, a double pressure roller 8 and a conical pipeline formed by a mounting ring 3 and an arc-shaped elastic sheet 31, at the moment, the narrow opening of the conical pipeline is lapped or close to the surface of the cable 2, the starting end is fixed on the winding roller, the electric heating wire 9 and the winding roller are opened, the winding roller pulls the cable 2 to move forwards and sequentially passes through the structure, the limiting cylinder 10 can horizontally send the cable 2 into the electric heating wire 9 to prevent an insulating layer of the cable 2 from being scalded when touching the high-temperature electric heating wire 9, the cable is straightened after being heated by the double pressure roller 8, when a bulge or bulge appears on the surface of the cable 2 and passes through the narrow opening of the conical pipeline, the arc-shaped elastic sheet 31 at the corresponding part is propped up to expand outwards, so that a pressure sensor on the inner wall of the pressure sensing ring 7 can be touched, and the pressure sensor transmits an electric signal to a PLC 6, PLC 6 is with signal output to the solenoid valve of jet 51, opens jet 51, and pigment is marked in the protruding department that moves ahead to jet 51 below, closes jet 51 afterwards, and protruding behind arc shell fragment 31, arc shell fragment 31 rebounds the signal of telecommunication of the next arch of awaiting the trigger. Because the arc-shaped elastic sheet 31 surrounds and forms the tapered pipeline, the position of the pressure sensing ring 7 can be moved and positioned in the horizontal direction of the mounting strip 4, so as to adjust the distance between the arc-shaped elastic sheet 31 and the pressure sensing ring 7, and the sensitivity of pressure signal triggering is controlled through the adjustment, when the pressure sensing ring 7 is close to the narrow opening of the tapered pipeline, the distance between the arc-shaped elastic sheet 31 and the pressure sensing ring 7 is large, and a large bulge is needed to trigger the pressure signal, so that the reaction is blunt, a small bulge can be placed, and when the pressure sensing ring is close to the mounting ring 3, the space between the arc-shaped elastic sheet 31 and the pressure sensing ring 7 is small, the bulge reaction is sensitive, but false positive signals easily occur, and therefore, the distance between the arc-shaped elastic sheet 31 and the pressure sensing ring 7 needs to be reasonably controlled according to needs.

The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical scheme according to the technical idea proposed by the present invention falls within the protection scope of the present invention; the technology not related to the invention can be realized by the prior art.

Claims

1. The utility model provides a cable damage detection device, a serial communication port, includes frame (1), the one end of frame (1) is equipped with elasticity expansion subassembly, elasticity expansion subassembly overcoat is equipped with pressure sensing subassembly, elasticity expansion subassembly's outside top is equipped with ink jet system, the equal electric connection PLC controller of ink jet system and pressure sensing subassembly (6), the other end of frame (1) is equipped with hot alignment subassembly, hot alignment subassembly and the coaxial setting of elasticity expansion subassembly, the bulge arch of appearing bulging in cable (2) surface passes during the elasticity expansion subassembly, elasticity expansion subassembly bullet pressure sensing subassembly produces pressure signal, pressure signal spreads into PLC controller (6) and control ink jet system and at bulge department mark, send into elasticity expansion subassembly after heat alignment subassembly is with cable (2) alignment.

2. A cable damage detection apparatus as claimed in claim 1, wherein: elasticity expansion subassembly is including installing circle (3), be equipped with front bezel (11) in frame (1), install circle (3) and locate on front bezel (11), install circle (3) outside circumference and be equipped with a plurality of arc shell fragments (31), arc shell fragment (31) pass around forming taper pipe form hollow structure power supply cable (2), arc shell fragment (31) overcoat is equipped with pressure and feels the subassembly.

3. A cable damage detection apparatus as claimed in claim 2, wherein: pressure sense subassembly contains pressure sense circle (7), outside arc shell fragment (31) was located to pressure sense circle (7) cover to with installation circle (3) coaxial setting, evenly be equipped with a plurality of pressure sensors on pressure sense circle (7) inner wall, pressure sensor and PLC controller (6) input electric connection, the top of pressure sense circle (7) is equipped with branch (71), threaded connection has lock nut (41) on branch (71), front bezel (11) outside is equipped with mounting bar (4), be equipped with logical groove (42) on mounting bar (4), branch (71) are located logical groove (42) in and are fixed a position through lock nut (41), inkjet system locates mounting bar (4) outside terminal.

4. A cable damage detection apparatus as claimed in claim 3, wherein: the ink jet system comprises an ink box (5) and an ink jet port (51), wherein the ink box (5) is arranged at the tail end of the outer side of the mounting bar (4), the ink jet port (51) is arranged at the bottom of the ink box (5) and above the outer side of the arc-shaped elastic sheet (31), and the ink jet port (51) is electrically connected with the output end of the PLC (6).

5. A cable damage detection apparatus as claimed in claim 4, wherein: the hot alignment subassembly contains two compression rollers (8) of perpendicular setting, be equipped with well frame (13) in frame (1), the upper reaches of installing circle (3) are located in well frame (13), two compression rollers (8) rotate to be connected in well frame (13), pass through between two compression rollers (8) in cable (2) follow, the other end of frame (1) is equipped with back plate (12), be equipped with spacing section of thick bamboo (10) on back plate (12), still be equipped with electric heating wire (9) that supply cable (2) to pass through in frame (1), electric heating wire (9) are located between spacing section of thick bamboo (10) and compression roller (8), electric heating wire (9), installing circle (3) and the equal coaxial setting of spacing section of thick bamboo (10).