CN118393302B - Cable insulating layer detection device and method - Google Patents
Cable insulating layer detection device and method Download PDFInfo
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- CN118393302B CN118393302B CN202410822919.2A CN202410822919A CN118393302B CN 118393302 B CN118393302 B CN 118393302B CN 202410822919 A CN202410822919 A CN 202410822919A CN 118393302 B CN118393302 B CN 118393302B
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- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 107
- 238000004140 cleaning Methods 0.000 claims abstract description 74
- 238000009413 insulation Methods 0.000 claims description 35
- 238000012360 testing method Methods 0.000 claims description 24
- 238000007790 scraping Methods 0.000 claims description 19
- 229920003023 plastic Polymers 0.000 claims description 17
- 239000004033 plastic Substances 0.000 claims description 17
- 239000011324 bead Substances 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 10
- 238000013461 design Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- -1 greasy dirt Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000011016 integrity testing Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention relates to the technical field of cable detection, in particular to a cable insulating layer detection device and a method, comprising a movable ring shell which is internally provided with a hollow cavity and a cable body arranged in the movable ring shell, wherein the top of the movable ring shell is fixedly connected with an insulating resistance meter for detecting the cable body, the inside of the movable ring shell is rotationally connected with a rotating shell, the inside of the rotating shell is fixedly connected with a gas ring plate which is provided with a cavity, the inside of the gas ring plate is uniformly and fixedly connected with a plurality of cleaning sheets for cleaning dust of the cable body, the bottoms of the cleaning sheets are uniformly provided with a plurality of air holes, two sides of the gas ring plate are respectively communicated with a plurality of exhaust pipes which are communicated with the cleaning sheets, the inside of the movable ring shell is uniformly and slidingly connected with a plurality of driving sliding rods, and the inside of the movable ring shell is rotationally connected with a plurality of power components which are matched with the driving sliding rods to drive the rotating shell to rotate. The cooperation of loose collar shell and drive slide bar can drive the cleaning sheet and rotate and remove on the cable body, effectively erases dust and impurity on cable surface.
Description
Technical Field
The invention relates to the technical field of cable detection, in particular to a device and a method for detecting a cable insulating layer.
Background
With the rapid development of modern power systems and communication networks, cables are receiving a great deal of attention as important carriers for power transmission and information transmission. The quality of the cable insulation layer, which is an important component of the cable, directly determines the electrical properties and the service life of the cable. Therefore, the cable insulation layer is accurately and efficiently detected, and the method has important significance for ensuring the quality and the safety of the cable.
The utility model provides a patent application for CN114720817A is published to prior art, this application discloses a cable fault detection equipment, relates to cable fault detection technical field, including equipment organism and jack groove, the upper cover plate is installed through the hinge to the top of equipment organism, and the display screen is installed to the middle part inboard of upper cover plate, the place ahead inboard of equipment organism is provided with the installing frame, and installs the inboard of installing frame and have the protection component. The cable fault detection device is a comprehensive detection instrument and has signal integrity testing capability: providing the measurement capability of parameters such as propagation delay, characteristic impedance and the like, drawing a complete impedance curve and displaying impedance data, detecting the consistency of materials such as connector, wire quality and the like, and providing a judgment basis for the quality of the cable and the cable assembly; the system has fault detection and analysis capability: the device can provide detection capability of various faults such as aged skin breakage, shielding layer breakage, extrusion deformation, poor contact, open circuit, short circuit and the like, and provide distance and position of fault points.
The prior art can draw a complete impedance curve and display impedance data, can detect the consistency of materials such as connector, wire quality and the like, and provides a judging basis for the quality of the cable and the cable assembly, but in the actual use process, the surface of the cable is often inevitably accumulated with a large amount of impurities such as dust, greasy dirt, metal particles and the like due to environmental factors and manual operation in the production, storage, transportation and use processes of the cable, the electrical properties of the surface of the cable can be changed due to the existence of the dust and the impurities, and the dust and the impurities can form conductive channels, so that the local impedance value is lower; or they may cover the surface of the cable to form an isolation layer, so that the detection device cannot accurately read the impedance value of the cable insulation layer, and these can cause deviation of the detection result and even misjudge the quality of the cable.
Disclosure of Invention
The invention aims to provide a device and a method for detecting a cable insulating layer, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a cable insulating layer detection device, includes built-in hollow loose collar shell and arranges its inside cable body in, and the top fixedly connected with of loose collar shell is used for detecting the insulation resistance meter of cable body, the inside rotation of loose collar shell is connected with rotates the shell, the inside fixedly connected with who rotates the shell is constructed the gaseous ring board that has the cavity, the inside of gaseous ring board evenly fixedly connected with a plurality of cleaning sheets that are used for cleaning cable body dust, a plurality of the bottom of cleaning sheet has evenly been seted up, the both sides of gaseous ring board communicate respectively have a plurality of exhaust tubes with the cleaning sheet intercommunication, the inside of loose collar shell evenly sliding connection has a plurality of drive slide bars, a plurality of one side of drive slide bar is connected with the branch ring jointly, the inside of branch ring is provided with a plurality of locating plates that are used for fixing the cable body, the inside rotation of loose collar shell is connected with a plurality of and drives the pivoted power component of shell with the drive slide bar cooperation.
Preferably, the power component comprises a plurality of gears which are rotationally connected inside the movable ring shell, a plurality of balls are uniformly and fixedly connected inside the gears, the balls are in sliding connection with the driving sliding rod, and grooves meshed with the gears are uniformly formed in the outer surface of the rotary shell.
Preferably, one side of the gas ring plate is fixedly connected with a gas pump for pumping gas in the gas ring plate, the insides of the exhaust pipes are fixedly connected with dust collecting chambers, and the insides of the dust collecting chambers are fixedly connected with filter screens for blocking dust.
Preferably, the tops of the dust collecting chambers are all connected with sliding rods in a sliding mode, the bottoms of the sliding rods are all fixedly connected with scraping plates which are abutted to one side of the filter screen, and the tops of the scraping plates are fixedly connected with baffle plates which are matched with the exhaust pipes.
Preferably, the two sides inside the movable ring shell are fixedly connected with arc grooves, and the tops of the sliding rods are rotatably connected with guide beads which are in sliding connection with the arc grooves.
Preferably, the insides of the dust collecting chambers are respectively symmetrically hinged with a hinged plate, the tops of the hinged plates are rotationally connected with a movable plate which is abutted against the bottoms of the scraping plates, dust collecting chambers for storing dust are respectively formed in the dust collecting chambers, and a reset tension spring for resetting is commonly connected between the two hinged plates.
Preferably, the inside of ring all fixedly connected with a plurality of mounts, a plurality of the bottom of mount all sliding connection has the connecting rod with locating plate top fixed connection.
Preferably, a plurality of the equal fixedly connected with first magnetic plate in top of connecting rod, the surface cover of connecting rod is equipped with plastic spring, plastic spring's top and the bottom fixed connection of first magnetic plate, plastic spring's bottom and the bottom fixed connection of mount, a plurality of connecting plates of even fixedly connected with in one side of expansion ring shell, a plurality of the connecting plate respectively sliding connection in the inside of mount and the second magnetic plate of fixedly connected with and first magnetic plate adaptation.
Preferably, a plurality of stoppers are fixedly connected to the inside of the fixing frame, and the stoppers are used for blocking the movement of the first magnetic plate.
A cable insulation layer detection method comprises the following steps:
S1, firstly, adopting a cable body to be detected when the cable is used, arranging one end of the cable body in a movable ring shell, at the moment, firstly pulling the movable ring shell to move so as to enable a plurality of driving sliding rods and the movable ring shell to slide to drive a power assembly to start, rotating the shell to rotate so as to drive a plurality of cleaning sheets fixedly connected with the movable ring shell to rotate on the outer surface of the cable body, and simultaneously, enabling the movable ring shell to move on the outer surface of the cable body so as to enable the plurality of cleaning sheets to rotate on the outer surface of the cable body to clean the surface of the cable body, so that dust on the surface of the cable body is erased;
s2, then sucking gas from the inside of the gas ring plate, wherein the gas ring plate is communicated with a plurality of exhaust pipes so that the cleaning sheet generates suction force to suck dust erased by the cleaning sheet, and the erased dust enters the exhaust pipes through the cleaning sheet for storage;
s3, cleaning dust in the exhaust pipe when the rotary shell rotates;
s4, when the movable ring shell moves away from the supporting ring, the driving positioning plate moves downwards so as to abut against the surface of the cable body, and the cable body is fixed;
S5, a terminal which can control the insulation resistance meter to output negative DC high voltage is connected to a high-voltage conductor of the cable body, then a grounding terminal is connected to a shell of the cable body, testing is started, the insulation resistance meter can automatically apply voltage to the cable body, the current is recorded, in the testing process, the reading change of the insulation resistance meter is observed, if the reading continuously decreases or fluctuates greatly, the cable body possibly has defects or is affected with moisture, and the like, the insulation resistance value of the cable body can be automatically calculated by the insulation resistance meter after the testing is finished, and whether the quality condition of an insulation layer of the cable body meets the requirements can be judged according to the testing result.
Compared with the prior art, the invention has the beneficial effects that:
1. Through the design of loose collar shell and drive slide bar, can drive the cleaning blade and rotate and remove on the cable body, effectively erase the dust and the impurity on cable surface, ensure insulation resistance test's accuracy, suction effect through air pump and exhaust tube, dust and impurity that can produce the cleaning blade when cleaning the cable body inhale the dust collection chamber rapidly, avoided the dust to scatter around, thereby greatly improved the test environment, the influence to operating personnel health has been reduced, the exhaust tube uses with the cooperation of cleaning blade, make when cleaning the cable surface, the dust can be inhaled in real time and carry the dust collection chamber, the synchronous going on of cleaning and dust absorption has been realized, cleaning efficiency has been improved, the scraper blade has not only cleared up the dust on the filter screen surface simultaneously, still through the design of baffle shutoff exhaust tube when the scraper blade moves down, avoided the dust of scraping to be inhaled the air pump again or to scatter in the environment, the linkage design of fly leaf and hinged plate, can promote the dust bottom the scraper blade to the dust collection chamber automatically and store, need not manual intervention, the realization is automatic, the dust is collected and the complex operation cost of storing and has reduced.
2. Through the cooperation of magnetic plate (first magnetic plate and second magnetic plate) and plastic spring, realize the automatic positioning and the fixed of cable in the cable removal in-process, security and stability in the test process have been improved, the operation of being convenient for simultaneously, operating personnel only need simply pulling or promote the fixed and the release of cable can be realized to the loose collar shell, need not complicated operation steps or instrument, the operation degree of difficulty has been reduced, make the non-professional also can light use, the downshift of locating plate can ensure that the cable body can not remove because of external factor in the test process, thereby guaranteed the accuracy of test result, owing to adopt the magnetic plate to fix, this kind of mechanism can adapt to the cable of different diameters and shapes, need not to change anchor clamps or adjustment size, the commonality and the flexibility of equipment have been improved.
Drawings
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of a first cross-sectional structure of a movable ring shell according to the present invention;
FIG. 4 is a schematic top cross-sectional view of a movable ring shell according to the present invention;
FIG. 5 is an enlarged schematic view of the structure A in FIG. 4 according to the present invention;
FIG. 6 is a schematic perspective view of a rotating shell and an air ring plate according to the present invention;
FIG. 7 is a schematic diagram of a second cross-sectional structure of the movable ring shell according to the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7B according to the present invention;
FIG. 9 is a schematic perspective view of an exhaust pipe according to the present invention;
FIG. 10 is a schematic cross-sectional view of a dust collecting chamber according to the present invention;
FIG. 11 is a schematic perspective view of a support ring according to the present invention;
fig. 12 is a schematic perspective view of a fixing frame in the present invention.
In the figure: 100. a movable ring shell; 101. an insulation resistance meter; 102. a cable body; 200. rotating the shell; 201. a groove; 202. a gear; 203. driving a slide bar; 204. a ball; 205. a support ring; 206. a cleaning sheet; 300. an air ring plate; 301. an air pump; 302. an exhaust pipe; 303. a dust collection chamber; 304. a filter screen; 305. a slide bar; 306. a scraper; 307. a baffle; 308. a dust collection chamber; 309. a hinged plate; 310. a movable plate; 311. resetting the tension spring; 312. a guide bead; 313. an arc groove; 400. a positioning plate; 401. a fixing frame; 402. a connecting rod; 403. a plastic spring; 404. a first magnetic plate; 405. a connecting plate; 406. and a second magnetic plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1: referring to fig. 1,2 and 6, the present invention provides a technical solution: the utility model provides a cable insulating layer detection device, including built-in for hollow loose collar shell 100 and arrange its inside cable body 102, and the top fixedly connected with of loose collar shell 100 is used for detecting the insulation resistance meter 101 of cable body 102, wherein insulation resistance meter 101 can use the resistance value that measures to judge whether cable body 102 is impaired, the inside rotation of loose collar shell 100 is connected with and rotates shell 200, the inside fixedly connected with of shell 200 has the air ring board 300 of cavity of construction, the inside of air ring board 300 evenly fixedly connected with a plurality of cleaning sheets 206 that are used for cleaning cable body 102 dust, a plurality of gas pockets have evenly been seted up to the bottom of a plurality of cleaning sheets 206, the both sides of air ring board 300 communicate respectively and are had a plurality of exhaust tubes 302 that communicate with cleaning sheet 206, the inside of loose collar shell 100 evenly sliding connection has a plurality of drive slide bars 203, the inside rotation of loose collar shell 100 is connected with a plurality of power components that cooperate with drive slide bars 203 and drive shell 200 rotation, through setting up power components can effectively drive shell 200 rotation and make a plurality of cleaning sheets 206 follow its rotation so that the surface of cable body 102 is cleaned up, a plurality of cleaning sheets 206 are equipped with the dust collecting dust can be cleaned up with the air ring board 300 and the dust collecting dust of the mutual suction that is produced under the bottom of the cleaning sheets 206, the mutual suction is suppressed.
Referring to fig. 4, fig. 5 and fig. 6, in order to further improve the cleaning efficiency of the plurality of cleaning sheets 206 on the cable body 102, and meanwhile, the power assembly is convenient to operate, and includes a plurality of gears 202 rotatably connected inside the movable ring shell 100, balls 204 are uniformly and fixedly connected inside the plurality of gears 202, and the balls 204 are slidably connected with the driving slide bars 203, grooves 201 engaged with the plurality of gears 202 are uniformly formed on the outer surface of the rotary shell 200, the plurality of driving slide bars 203 penetrate through the movable ring shell 100 and are disposed inside the gears 202, when the movable ring shell 100 moves, the plurality of driving slide bars 203 penetrate through the inner surfaces of the gears 202, so that the balls 204 slide on the outer surface of the driving slide bars 203, thereby enabling the translation of the driving slide bars 203 and the cooperation of the balls 204 to drive the gears 202 to rotate, at the same time, the plurality of gears 202 simultaneously and co-rotate with the grooves 201, thereby driving the rotary shell 200 to rotate, and enabling the cleaning sheets 206 to move along with the outer surface of the cable body 102, and further improving the cleaning efficiency of the plurality of cleaning sheets 206 on the cable body 102, and simultaneously enabling the cleaning sheets 206 to collide with the cable body 102 when translating, and the cleaning sheets 206 to generate a certain friction force against the surface of the cable body 102, and the cleaning sheets can effectively translate between the cleaning sheets 102.
Specifically, because dirt, dust or other impurities on the surface of the cable body 102 may affect the accuracy of the insulation resistance test, these impurities may form a conductive channel, and the measured insulation resistance value is low, so that an erroneous evaluation result is given, the movable ring shell 100 is pulled to move so that the plurality of driving sliding bars 203 slide with the movable ring shell 100, so that the driving sliding bars 203 move inside the gear 202, at this time, the balls 204 in the gear 202 slide on the outer surface of the driving sliding bars 203, so that the driving sliding bars 203 drive the balls 204 to move so as to drive the gear 202 to rotate, when the plurality of gears 202 rotate, the grooves 201 are meshed so as to drive the rotating shell 200 to rotate, at this time, the rotating shell 200 rotates so as to drive the plurality of cleaning sheets 206 fixedly connected with the rotating shell to rotate on the outer surface of the cable body 102, and at the same time, the movable ring shell 100 moves on the outer surface of the cable body 102 so as to enable the plurality of cleaning sheets 206 to rotate on the outer surface of the cable body 102 and move so as to clean the dust on the surface of the cable body 102, thereby cleaning the cable body 102, and improving the detection accuracy of the cable body 102.
Further, referring to fig. 6 and 10, in order to collect dust collected by the cleaning sheet 206, an air pump 301 for pumping air in the air ring plate 300 is fixedly connected to one side of the air ring plate 300, wherein the air pump 301 can pump air in the air ring plate 300, dust collecting chambers 303 are fixedly connected to the insides of the plurality of air exhaust pipes 302, filter screens 304 for blocking dust are fixedly connected to the insides of the dust collecting chambers 303, and when the air pump 301 is started, the air pump 301, the air exhaust pipes 302 and the cleaning sheet 206 are mutually communicated, so that suction force is generated by a plurality of air holes at the bottom of the cleaning sheet 206, dust on the outer surface of the cable body 102 is conveyed to the insides of the air exhaust pipes 302, and then the dust is blocked by the filter screens 304.
Further, referring to fig. 7, 8 and 10, in order to keep the filter screen 304 high-efficiency in ventilation, the top of the dust collection chambers 303 are all slidably connected with the sliding rods 305, the bottoms of the sliding rods 305 are all fixedly connected with the scraping plates 306 abutting against one side of the filter screen 304, the top of the scraping plates 306 is fixedly connected with the baffle 307 adapted to the air extraction pipe 302, the two sides of the movable ring shell 100 are all fixedly connected with the arc grooves 313, the top of the sliding rods 305 are all rotatably connected with the guide beads 312 slidably connected with the arc grooves 313, so as to be matched with the rotation of the rotating shell 200, the guide beads 312 and the arc grooves 313 enable the sliding rods 305 to reciprocate under the mutual matching, so that the scraping plates 306 can clean dust for a long time, and dust is frequently attached to the filter screen 304 due to the fact that more dust on the surface of the cable body 102, the track of the arc grooves 313 can follow the dust on the surface of the cable body, so that the surface 304 can be effectively cleaned, the air extraction pipe 302 can be cleaned by the baffle 307, and the scraping plates 306 can be removed under the condition that the scraping plates 306 can not be blocked by the filter screen 302.
Wherein, because dust will adhere to the bottom of the scraper 306, the cleaning effect of the scraper 306 will be affected for a long time, hinge plates 309 are symmetrically hinged in the dust collecting chambers 303, the top of the hinge plates 309 are rotatably connected with a movable plate 310 abutting against the bottom of the scraper 306, dust collecting chambers 308 for storing dust are all configured in the dust collecting chambers 303, a reset tension spring 311 for resetting is commonly connected between the two hinge plates 309, and when the scraper 306 moves down, pressure is applied to the movable plate 310, so that the movable plate 310 rotates when being stressed, and drives the movable plate 310 to move at the bottom of the scraper 306, and the dust collecting chambers 308 collect dust hung off by the movable plate 310.
Specifically, when the surface dust of the cable body 102 is cleaned by the cleaning sheet 206, the dust is inevitably swept up to affect the working environment, and meanwhile, the plurality of air pumps 301 are started to suck air from the inside of the air ring plate 300, and the air ring plate 300 is communicated with the plurality of air exhaust pipes 302 to enable the cleaning sheet 206 to generate suction force to suck the dust erased by the cleaning sheet 206, so that the erased dust enters the inside of the dust collecting chamber 303 through the air exhaust pipes 302 through the cleaning sheet 206, meanwhile, when the cleaning sheet 206 rotates, the guiding beads 312 are driven to slide in the inside of the dust collecting chamber 303, the guiding beads 312 are driven to reciprocate up and down, so as to drive the sliding rod 305 to move in the inside of the dust collecting chamber 303 to drive the scraping plate 306 to move on the surface of the filter screen 304, and further remove the dust adhered to the surface of the filter screen 304, meanwhile, when the scraper 306 moves downwards, the baffle 307 is driven to be overlapped with the exhaust pipe 302 so as to block the exhaust pipe 302, so that dust hung off by the scraper 306 is not affected by suction and is attached to the bottom of the scraper 306, when the scraper 306 moves downwards, the movable plate 310 is extruded to move downwards so as to drive the hinge plates 309 to incline, the movable plate 310 moves at the bottom of the scraper 306 so as to completely move at the bottom of the scraper 306, and accordingly dust attached to the bottom of the scraper 306 is scraped off, finally the dust is pushed to the inside of the dust collection cavity 308 by the movable plate 310 to be stored, when the guide beads 312 move upwards, the scraper 306 is far away from the position of the movable plate 310, and at the moment, the reset tension spring 311 pulls the two hinge plates 309 to be close to each other so as to reset the movable plate 310, and dust can be effectively collected.
In sum, through the design of movable ring shell 100 and drive slide bar 203, can drive the cleaning blade 206 and rotate and remove on cable body 102, effectively erase the dust and the impurity on cable surface, ensure insulation resistance test's accuracy, through the suction effect of air pump 301 and exhaust tube 302, can be effectively with the dust and the impurity that cleaning blade 206 produced when cleaning cable body 102 inhale dust collection chamber 303 rapidly, avoided the dust to scatter, thereby greatly improved the test environment, the influence to operating personnel health has been reduced, the cooperation of exhaust tube 302 and cleaning blade 206 is used, make the dust can be inhaled in real time and carry dust collection chamber 303 when cleaning cable surface, realize clean and dust collection's synchronous going on, cleaning efficiency has been improved, the shutoff of scraper blade 306 on the filter screen 304 surface has not only been cleared away the dust on 304 simultaneously, still through the design of baffle 307, the dust that has avoided scraping is inhaled air pump 301 again or has been scattered to the environment, the automatic linkage design of fly leaf 310 and 309 has been avoided, the dust collection chamber 308 is carried out to the dust collection to the automatic floor of pushing of dust collection 308, the manual work has been realized to the manual work and has been saved the cost is saved to the manual work and has been saved the manual work and has been reduced.
Example 2: referring to fig. 2, 11 and 12, based on the above embodiment, the present invention further provides a technical solution: one side of a plurality of drive slide bars 203 is connected with a support ring 205 jointly, and the inside of support ring 205 is provided with a plurality of locating plates 400 that are used for fixing cable body 102, and the inside of support ring 205 is all fixedly connected with a plurality of mounts 401, and the equal sliding connection in bottom of a plurality of mounts 401 has the connecting rod 402 with locating plate 400 top fixed connection, sets up locating plate 400 and can fix cable body 102 to be convenient for stimulate movable ring shell 100 and remove and ensure cable body 102 is fixed.
Further, for the convenience of reducing the operation steps, the top of a plurality of connecting rods 402 is fixedly connected with a first magnetic plate 404, the outer surface of the connecting rods 402 is sleeved with a plastic spring 403, the top of the plastic spring 403 is fixedly connected with the bottom of the first magnetic plate 404, the bottom of the plastic spring 403 is fixedly connected with the bottom of the fixing frame 401, one side of the movable ring shell 100 is uniformly and fixedly connected with a plurality of connecting plates 405, the plurality of connecting plates 405 are respectively and slidably connected with a second magnetic plate 406 which is matched with the first magnetic plate 404 in the fixing frame 401, the attractive force generated between the first magnetic plate 404 and the second magnetic plate 406 is greater than the elastic force of the plastic spring 403, and the plastic spring 403 is constructed into a plastic material and cannot generate attractive force with the first magnetic plate 404 and the second magnetic plate 406.
It should be noted that, the inside of the plurality of fixing frames 401 is fixedly connected with a plurality of stoppers, the plurality of stoppers are used for blocking the movement of the first magnetic plate 404, and the baffle can be used for limiting the height of the first magnetic plate 404.
Specifically, when the cable body 102 is first placed on top of the movable ring shell 100, the movable ring shell 100 is pulled to move away from the supporting ring 205, a plurality of connecting plates 405 connected to one side of the movable ring shell 100 move along with the movable ring shell, so that the second magnetic plate 406 moves away from the fixing frame 401, and the second magnetic plate 406 and the first magnetic plate 404 are separated from each other by suction force, at this time, the first magnetic plate 404 moves downwards under the action of the plastic spring 403, so as to drive the positioning plate 400 to move downwards to collide with the surface of the cable body 102, thereby fixing the cable body 102, and when the fixing of the cable body 102 needs to be released, the movable ring shell 100 is reset, so that the second magnetic plate 406 is reinserted into the fixing frame 401, at this time, the second magnetic plate 406 and the first magnetic plate 404 are adapted to generate suction force to drive the connecting rod 402 to move upwards, and the baffle can limit the first magnetic plate 404 to move upwards, so as to avoid the two from being completely attached, and the second magnetic plate 406 is convenient to be pulled away subsequently.
In summary, through the cooperation of magnetic plate first magnetic plate 404 and second magnetic plate 406 and plastic spring 403, realize the automatic positioning and the fixed of cable in the cable removal in-process, security and stability in the test process have been improved, the operation of being convenient for simultaneously, the operating personnel only need pull or promote the fixed and the release of cable that movable ring shell 100 can be realized, need not complicated operation steps or instrument, the operation degree of difficulty has been reduced, make non-professional also can easily use, the downmovement of locating plate 400 can ensure that cable body 102 can not remove because of external factor in the test process, thereby guaranteed the accuracy of test result, because the adoption magnetic plate is fixed, this kind of mechanism can adapt to the cable of different diameters and shapes, need not to change anchor clamps or adjustment size, the commonality and the flexibility of equipment have been improved.
Example 3: referring to fig. 1 to 12, the present invention provides a technical solution: a cable insulation layer detection method comprises the following steps:
S1, when the cable body 102 to be detected is used, one end of the cable body 102 is placed in the movable ring shell 100, at the moment, the movable ring shell 100 is pulled to move so that a plurality of driving sliding rods 203 and the movable ring shell 100 slide, the driving sliding rods 203 move in the gear 202, at the moment, balls 204 in the gear 202 slide on the outer surface of the driving sliding rods 203, the driving sliding rods 203 drive the balls 204 to move so as to drive the gear 202 to rotate, when the plurality of gears 202 rotate, the grooves 201 are meshed to drive the rotating shell 200 to rotate, at the moment, the rotating shell 200 rotates so as to drive a plurality of cleaning sheets 206 fixedly connected with the rotating shell to rotate on the outer surface of the cable body 102, and at the same time, the movable ring shell 100 moves on the outer surface of the cable body 102 so that the plurality of cleaning sheets 206 rotate on the outer surface of the cable body 102 and move so as to clean the surface of the cleaning sheets, and dust on the surface of the cleaning sheets is erased;
S2, simultaneously opening a plurality of air pumps 301 to suck air from the interior of the air ring plate 300, wherein the air ring plate 300 is communicated with a plurality of air exhaust pipes 302 to enable the cleaning sheet 206 to generate suction force to suck dust erased by the cleaning sheet 206, the erased dust enters the interior of the dust collection chamber 303 through the air exhaust pipes 302, meanwhile, when the cleaning sheet 206 rotates, the guide beads 312 are driven to slide in the interior of the dust collection chamber 303, the guide beads 312 are driven to reciprocate up and down, so that the slide bars 305 are driven to move in the interior of the dust collection chamber 303 to drive the scraping plates 306 to move on the surface of the filter screen 304, and then dust adhered to the surface of the filter screen 304 is removed, and meanwhile, when the scraping plates 306 move down, the baffle 307 are driven to overlap with the air exhaust pipes 302 to block the air exhaust pipes 302, so that the dust hung down by the scraping plates 306 is not influenced by the suction force and is adhered to the bottom of the scraping plates 306;
s3, when the scraper 306 moves downwards, the movable plate 310 is extruded to move downwards so as to drive the hinge plates 309 to incline, so that the movable plate 310 moves at the bottom of the scraper 306 to completely move at the bottom of the scraper 306, thereby scraping off dust attached to the bottom of the scraper 306, finally the dust is pushed to the inside of the dust collection cavity 308 by the movable plate 310 for storage, when the guide beads 312 move upwards, the scraper 306 is far away from the movable plate 310, and at the moment, the reset tension spring 311 pulls the two hinge plates 309 to be close to each other so as to reset the movable plate 310;
S4, when the movable ring shell 100 moves away from the support ring 205, the plurality of connecting plates 405 connected to one side of the movable ring shell 100 move along with the movable ring shell, so that the second magnetic plate 406 moves away from the fixing frame 401, and the second magnetic plate 406 and the first magnetic plate 404 are separated from each other by suction force, and at the moment, the first magnetic plate 404 moves downwards under the action of the plastic spring 403, so that the positioning plate 400 is driven to move downwards to collide with the surface of the cable body 102, and the cable body 102 is fixed;
S5, a terminal which can control the insulation resistance meter 101 to output negative DC high voltage is controlled to be connected to a high-voltage conductor of the cable body 102, then a grounding terminal is connected to a shell of the cable body 102, testing is started, the insulation resistance meter 101 can automatically apply voltage to the cable body 102, the current is recorded, in the testing process, the reading change of the insulation resistance meter 101 is observed, if the reading continuously decreases or fluctuates greatly, the defect or the wetting problem of the cable body 102 can be possibly indicated, after the testing is finished, the insulation resistance value of the cable body 102 can be automatically calculated by the insulation resistance meter 101, and whether the quality condition of an insulation layer of the cable body 102 meets the requirement can be judged according to the testing result.
In conclusion, the steps of cable cleaning, fixing, insulation resistance testing and the like are integrated, so that the operation flow is simplified, the working efficiency is improved, the degree of automation is high, the complexity and error rate of manual operation are reduced, and the testing precision and reliability are improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a cable insulating layer detection device, is including built-in for hollow loose annular shell (100) and arrange cable body (102) in its inside in, and the top fixedly connected with of loose annular shell (100) is used for detecting insulating resistance meter (101) of cable body (102), its characterized in that: the inside of the movable ring shell (100) is rotationally connected with a rotary shell (200), the inside of the rotary shell (200) is fixedly connected with a gas ring plate (300) with a cavity, the inside of the gas ring plate (300) is uniformly and fixedly connected with a plurality of cleaning sheets (206) for cleaning dust of the cable body (102), the bottoms of the cleaning sheets (206) are uniformly provided with a plurality of air holes, two sides of the gas ring plate (300) are respectively communicated with a plurality of exhaust pipes (302) communicated with the cleaning sheets (206), the inside of the movable ring shell (100) is uniformly and slidingly connected with a plurality of driving sliding rods (203), one sides of the driving sliding rods (203) are jointly connected with a supporting ring (205), the inside of the supporting ring (205) is provided with a plurality of positioning plates (400) for fixing the cable body (102), and the inside of the movable ring shell (100) is rotationally connected with a plurality of power components which are matched with the driving sliding rods (203) to drive the rotary shell (200);
The power assembly comprises a plurality of gears (202) which are rotationally connected to the inside of a movable annular shell (100), balls (204) are uniformly and fixedly connected to the inside of the plurality of gears (202), the balls (204) are in sliding connection with a driving sliding rod (203), and grooves (201) meshed with the plurality of gears (202) are uniformly formed in the outer surface of the rotary shell (200);
One side of the air ring plate (300) is fixedly connected with an air pump (301) for extracting air in the air ring plate (300), the interiors of the air extracting pipes (302) are fixedly connected with dust collecting chambers (303), and the interiors of the dust collecting chambers (303) are fixedly connected with filter screens (304) for blocking dust;
The tops of the dust collecting chambers (303) are all connected with sliding rods (305) in a sliding mode, scraping plates (306) which are in contact with one side of the filter screen (304) are fixedly connected to the bottoms of the sliding rods (305), and baffle plates (307) which are matched with the exhaust pipes (302) are fixedly connected to the tops of the scraping plates (306);
arc grooves (313) are fixedly connected to two sides of the inside of the movable ring shell (100), and guide beads (312) which are in sliding connection with the arc grooves (313) are rotatably connected to the tops of the sliding rods (305);
the dust collecting chambers (303) are symmetrically hinged with hinge plates (309) respectively, the tops of the hinge plates (309) are rotatably connected with movable plates (310) which are abutted against the bottoms of the scraping plates (306), dust collecting cavities (308) for storing dust are formed in the dust collecting chambers (303), and a reset tension spring (311) for resetting is commonly connected between the two hinge plates (309).
2. The device for detecting an insulating layer of a cable according to claim 1, wherein: the inside of ring (205) all fixedly connected with a plurality of mounts (401), a plurality of the bottom of mount (401) all sliding connection has connecting rod (402) with locating plate (400) top fixed connection.
3. The device for detecting an insulating layer of a cable according to claim 2, wherein: the top of a plurality of connecting rod (402) is equal fixedly connected with first magnetic plate (404), the surface cover of connecting rod (402) is equipped with plastics spring (403), the bottom fixed connection of top and first magnetic plate (404) of plastics spring (403), the bottom of plastics spring (403) and the bottom fixed connection of mount (401), a plurality of connecting plates (405) of even fixedly connected with in one side of expansion ring shell (100), a plurality of connecting plates (405) sliding connection respectively in the inside of mount (401) and fixedly connected with second magnetic plate (406) of first magnetic plate (404) adaptation.
4. A cable insulation detection device according to claim 3, characterized in that: a plurality of stoppers are fixedly connected to the inside of the fixing frames (401) and used for stopping the movement of the first magnetic plate (404).
5. A cable insulation layer detection method, adopting the cable insulation layer detection device according to any one of claims 1-4, characterized by comprising the following steps:
S1, firstly, adopting a cable body (102) to be detected when the cable is used, arranging one end of the cable body (102) in a movable annular shell (100), at the moment, firstly, pulling the movable annular shell (100) to move so as to enable a plurality of driving sliding rods (203) and the movable annular shell (100) to slide to drive a power assembly to start, and rotating a rotating shell (200) to rotate so as to drive a plurality of cleaning sheets (206) fixedly connected with the rotating shell to rotate on the outer surface of the cable body (102), and simultaneously, enabling the movable annular shell (100) to move on the outer surface of the cable body (102) so as to enable the plurality of cleaning sheets (206) to rotate on the outer surface of the cable body (102) and move so as to clean the surface of the cable body, so that dust on the surface of the cable body is erased;
S2, then sucking gas from the inside of the gas ring plate (300), wherein the gas ring plate (300) is communicated with a plurality of exhaust pipes (302) so that the cleaning sheet (206) generates suction force to suck dust erased by the cleaning sheet (206), and the erased dust enters the exhaust pipes (302) through the cleaning sheet (206) for storage;
S3, when the rotary shell (200) rotates, dust in the exhaust pipe (302) can be cleaned;
S4, when the movable ring shell (100) moves away from the support ring (205), the driving positioning plate (400) moves downwards to abut against the surface of the cable body (102), so that the cable body (102) is fixed;
S5, a terminal which can control the insulation resistance meter (101) to output negative DC high voltage is connected to a high-voltage conductor of the cable body (102), then a grounding terminal is connected to a shell of the cable body (102), testing is started, the insulation resistance meter (101) can automatically apply voltage to the cable body (102), the current is recorded, in the testing process, the reading change of the insulation resistance meter (101) is observed, if the reading continuously decreases or fluctuates greatly, the defect or moisture exists in the cable body (102), the insulation resistance meter (101) can automatically calculate the insulation resistance value of the cable body (102), and whether the quality condition of an insulation layer of the cable body (102) meets the requirement is judged according to the testing result.
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| CN202410822919.2A CN118393302B (en) | 2024-06-25 | 2024-06-25 | Cable insulating layer detection device and method |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115518914A (en) * | 2022-11-02 | 2022-12-27 | 安徽环宇电缆集团有限公司 | Multifunctional computer network communication cable with self-cleaning function |
| CN118145403A (en) * | 2024-03-01 | 2024-06-07 | 安徽瑞昊缆业有限公司 | Cable storage epidermis cleaning device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2729590B1 (en) * | 1995-01-23 | 1997-03-28 | Morana Benito | DEVICE FOR CLEANING THE EXTERNAL SURFACE OF LONGILLINE CYLINDRICAL ELEMENTS, ESPECIALLY CABLES |
| EP3049834A1 (en) * | 2013-09-26 | 2016-08-03 | CGG Services SA | Device and methods for low contact cable cleaning |
| KR102013408B1 (en) * | 2019-03-14 | 2019-08-22 | (유)전일기술단 | Distribution electric cable support device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115518914A (en) * | 2022-11-02 | 2022-12-27 | 安徽环宇电缆集团有限公司 | Multifunctional computer network communication cable with self-cleaning function |
| CN118145403A (en) * | 2024-03-01 | 2024-06-07 | 安徽瑞昊缆业有限公司 | Cable storage epidermis cleaning device |
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