CN110954796A - Aging detection device for cable insulator - Google Patents
Aging detection device for cable insulator Download PDFInfo
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- CN110954796A CN110954796A CN201911319272.7A CN201911319272A CN110954796A CN 110954796 A CN110954796 A CN 110954796A CN 201911319272 A CN201911319272 A CN 201911319272A CN 110954796 A CN110954796 A CN 110954796A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
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- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Testing Relating To Insulation (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a cable insulator aging detection device, which comprises a grounded detection box, wherein a detection cavity with a forward opening is arranged in the detection box, a supporting mechanism for supporting a cable is arranged in the detection cavity, an electric connection mechanism for clamping the cable to transmit current is also arranged in the detection cavity, the electric connection mechanism comprises two lifting cavities with forward openings, two lifting blocks capable of lifting and falling and a lifting spring for connecting the lifting blocks and the end walls of the lifting cavities are arranged in the lifting cavities, a connecting rope with an upper end penetrating through the upper end walls of the lifting cavities and the rear end walls of the lifting cavities and fixedly connected with the upper ends of the lifting blocks at the lower sides is fixed at the upper ends of the lifting blocks at the upper sides, the device has a simple structure and convenient operation, can automatically finish the automatic aging detection of the cable through mechanical transmission, and can automatically finish the environmental simulation of drying and rainy days, the manual operation is not needed, the operation steps are reduced, and the detection efficiency is improved.
Description
Technical Field
The invention relates to the field of insulators, in particular to a cable insulator aging detection device.
Background
In order to avoid the serious accidents caused by the poor insulating property of the cable insulating layer, a plurality of methods for detecting the insulating property of the insulating layer have been researched for a long time;
when the performance of the existing cable insulation layer is tested, the existing cable insulation layer is still operated in a manual operation mode, the insulation performance test of the cable is completed by simulating different environments, and although the obtained data is accurate, the efficiency is low, and the performance test of the existing cable insulation layer is not beneficial to the detection of the Langgang insulated cable.
Disclosure of Invention
The invention aims to provide a cable insulator aging detection device, which overcomes the problems of low detection efficiency and the like, thereby improving the detection efficiency.
The invention is realized by the following technical scheme.
The invention discloses a cable insulator aging detection device, which comprises a grounded detection box, wherein a detection cavity with a forward opening is arranged in the detection box, a supporting mechanism for supporting a cable is arranged in the detection cavity, an electricity connection mechanism for clamping the cable to convey current is also arranged in the detection cavity, the electricity connection mechanism comprises two lifting cavities with forward openings, two lifting blocks capable of lifting and falling and a lifting spring for connecting the lifting blocks and the end walls of the lifting cavities are arranged in the lifting cavities, the upper end of the upper lifting block is fixedly provided with a connecting rope, the upper end of the connecting rope penetrates through the upper end wall of the lifting cavity and the rear end wall of the lifting cavity and is fixedly connected with the upper end of the lower lifting block, an electricity connection post, the rear end of the electricity connection post penetrates through the lifting blocks, the front end of the electricity connection post is positioned in an external space, an electricity connection cavity is also arranged between the two lifting cavities, two slidable electricity connection plates and a moving rope for connecting the electricity connection plates and the end A movable spring, a first electric wire with the rear end penetrating through the rear end wall of the lifting cavity and the rear end wall of the electricity receiving cavity and fixedly connected with the electricity receiving plate is fixed at the rear end of the electricity receiving column at the upper side, a pull rope with the upper end penetrating through the upper end wall of the lifting cavity and the rear end wall of the electricity receiving cavity and fixedly connected with the electricity receiving plate is further fixed at the upper end of the lifting block at the upper side, a driving cavity is further arranged in the rear end wall of the detection cavity, the lower end wall of the driving cavity is rotatably connected with a rotating shaft, the rotating shaft is fixedly connected with the lower end wall of the driving cavity through a torsion spring, two rope winding wheels and a transmission gear are fixed on the rotating shaft, a chain with the front end penetrating through the end wall of the driving cavity and the rear end wall of the lifting cavity and fixedly connected with the lower end of the lifting block at the upper side is wound on the rope winding, the spring plate front end still be fixed with two front ends run through drive chamber end wall with connect electric chamber end wall and with connect electric plate fixed connection's rope, be equipped with in the detection chamber upper end wall and be used for changing the water spray mechanism of lift intracavity environment, still be equipped with the power unit that realizes electric energy output in the detection chamber upper end wall.
Further, the supporting mechanism is including fixing detect the fixed station of chamber lower extreme wall, be equipped with the opening in the fixed station and upwards just control the end wall intercommunication detect the support groove in chamber, be equipped with opening ascending and right-hand member wall intercommunication in the end wall under the support groove detect the translation groove in chamber, be equipped with opening upwards and intercommunication in the end wall under the translation groove the spring chamber in support groove, translation groove rear end wall is fixed with electronic guide rail, translation inslot sliding connection have with electronic guide rail fixed connection's driven piece, the spring intracavity be equipped with the backup pad of liftable and support the supporting spring of backup pad, the supporting spring upside is equipped with the upper end and runs through the scraper blade of driven piece.
Furthermore, the water spraying mechanism comprises a water storage cavity positioned in the upper end wall of the detection cavity, a liftable lower pressing plate is arranged in the water storage cavity, a water pipeline communicated with the detection cavity is arranged in the lower end wall of the lower pressing plate, a spraying block is arranged in the water pipeline, a driving motor is fixed on the lower end wall of the driving cavity, the upper end of the driving motor is in power connection with a driving shaft, two half gears are fixed on the driving shaft, a rotating cavity is arranged in the upper end wall of the water storage cavity, the rear end wall of the rotating cavity is communicated with the driving cavity, a rotating gear with the rear end capable of being meshed with the half gear on the upper side is arranged in the rotating cavity, a screw shaft with the lower end positioned in the water storage cavity and fixedly connected with the lower pressing plate is in central threaded connection with the rotating gear, the front end of the half gear on the lower side can be meshed with the transmission, the right side be equipped with dry block in the breather pipe, the left side be fixed with the bracing piece in the breather pipe, be fixed with turbine motor on the bracing piece, turbine motor upper end power is connected with the turbine shaft, be fixed with turbine blade on the turbine shaft, the detection case right-hand member face is fixed with the display screen that is used for the display result.
Furthermore, the power mechanism comprises two power cavities which are positioned on the upper end wall of the detection cavity, a telescopic cavity with an upward opening is arranged in the lower end wall of the power cavity, a mandril with an upper end positioned in the power cavity and a telescopic spring for supporting the mandril are arranged in the telescopic cavity, a power source is fixed on the lower end wall of the power cavity on the left side, three second electric wires are fixed on the power source, one second electric wire penetrates through the lower end wall of the power cavity on the left side and the right side twice and penetrates through the lower end wall of the power cavity on the right side and is fixedly connected with the front end of the electric pole on the upper right side, the left end of the second electric wire penetrates through the lower end wall of the power cavity and is fixedly connected with the front end of the electric pole on the upper left side, a fixed plate is fixed on the right end wall of the power cavity on the left side, two electric blocks are arranged on the, the upper electric connection block is fixedly connected with the upper end wall of the power cavity through two return springs, the upper end of the upper electric connection block is fixedly provided with an upper end which penetrates through the upper end wall of the power cavity and is electrically connected with the turbine motor, a friction cavity with a downward opening is arranged in the upper end wall of the power cavity, a friction rod with the lower end fixedly connected with the power connection block at the upper side is arranged in the friction cavity, a rotary groove with a downward opening and a front end wall communicated with the external space is also arranged in the upper end wall of the detection cavity, a winding cavity is arranged in the left end wall of the rotary groove, the right end wall of the rotary groove is rotationally connected with a rotary shaft with the left end positioned in the winding cavity, a sealing plate capable of sealing the detection cavity is fixed at the right end of the rotating shaft, a power wheel is fixed at the left end of the rotating shaft, and a hemp rope with the upper end penetrating through the upper end wall of the winding cavity, the right end wall of the power cavity and fixedly connected with the lower end of the friction rod is wound on the power wheel.
Furthermore, the elastic rate of the reset spring is greater than the sum of the friction force between the friction rod and the friction cavity, the gravity of the friction rod and the gravity of the power receiving block, the lower side half gear is just disengaged from the transmission gear when the upper side half gear is engaged with the rotating gear, and the elastic force of the lifting spring is greater than that of the moving spring.
The invention has the beneficial effects that: the device simple structure, the simple operation through mechanical transmission, can be automatic accomplish the ageing detection of cable automation, and can accomplish the environmental simulation to dry and rainy day automatically, does not need manual operation to go on, has reduced operating procedure, improves detection efficiency.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of the structure A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the structure B-B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the structure C-C in FIG. 2 according to an embodiment of the present invention;
FIG. 5 is an enlarged view of the D-D structure of FIG. 2 according to an embodiment of the present invention;
FIG. 6 is an enlarged view of the half-gear shown in FIG. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
With reference to fig. 1-6, the aging detection device for a cable insulator includes a grounded detection box 10, a detection chamber 16 with a forward opening is provided in the detection box 10, a support mechanism 75 for supporting a cable is provided in the detection chamber 16, an electricity connection mechanism 76 for clamping the cable to transmit current is further provided in the detection chamber 16, the electricity connection mechanism 76 includes two lifting chambers 18 with forward openings, two lifting blocks 67 capable of lifting and falling and a lifting spring 64 for connecting the lifting blocks 67 and the end walls of the lifting chambers 18 are provided in the lifting chambers 18, a connection rope 19 is fixed at the upper end of the lifting block 67 at the upper side and the upper end wall of the lifting chamber 18 and fixedly connected with the upper end of the lifting block 67 at the lower side, an electricity connection post 17 is further provided in the lifting chamber 18 and the rear end of the connection rope penetrates the lifting block 67 and the front end of the connection post is located in the external space, an electricity receiving cavity 73 is further arranged between the two lifting cavities 18, two slidable electricity receiving plates 72 and a movable spring 74 connected with the electricity receiving plates 72 and the end wall of the electricity receiving cavity 73 are further arranged in the electricity receiving cavity 73, a pull rope 71 with the rear end penetrating through the end wall of the lifting cavity 18 and the end wall of the electricity receiving cavity 73 and fixedly connected with the electricity receiving plates 72 is further fixed at the rear end of the electricity receiving column 17 at the upper side, a driving cavity 46 is further arranged in the rear end wall of the detection cavity 16, a rotating shaft 55 is rotatably connected to the lower end wall of the driving cavity 46, the rotating shaft 55 is fixedly connected with the lower end wall of the driving cavity 46 through a torsion spring 54, two rope winding wheels 52 and a transmission gear 47 are fixed on the rotating shaft 55, the winding has the front end to run through on the rope sheave 52 drive chamber 46 end wall with lift chamber 18 rear end wall and with the upside lift 67 lower extreme fixed connection's chain 66, it has spring plate 50 and can make still to have sliding connection in the drive chamber 46 the compression spring 49 that spring plate 50 resets, spring plate 50 front end still is fixed with two front ends and runs through drive chamber 46 end wall with connect electric chamber 73 end wall and with connect electric plate 72 fixed connection's rope 51, be equipped with in the detection chamber 16 upper end wall and be used for changing the water spray mechanism 77 of lift chamber 18 internal environment, still be equipped with the power unit 78 that realizes electric energy output in the detection chamber 16 upper end wall.
Beneficially, the supporting mechanism 75 includes a fixed table 26 fixed on the lower end wall of the detection cavity 16, a supporting groove 25 with an upward opening and a left end wall and a right end wall communicated with the detection cavity 16 is arranged in the fixed table 26, a translation groove 27 with an upward opening and a right end wall communicated with the detection cavity 16 is arranged in the lower end wall of the supporting groove 25, a spring cavity 21 with an upward opening and communicated with the supporting groove 25 is arranged in the lower end wall of the translation groove 27, an electric guide rail 28 is fixed on the rear end wall of the translation groove 27, a driven block 24 fixedly connected with the electric guide rail 28 is slidably connected in the translation groove 27, a liftable supporting plate 22 and a supporting spring 20 supporting the supporting plate 22 are arranged in the spring cavity 21, and a scraper 23 with an upper end penetrating through the driven block 24 is arranged on the upper side of the supporting spring.
Beneficially, the water spraying mechanism 77 comprises a water storage cavity 35 located in the upper end wall of the detection cavity 16, a liftable lower pressing plate 36 is arranged in the water storage cavity 35, a water pipeline 61 communicating with the detection cavity 16 is arranged in the lower end wall of the lower pressing plate 36, a spraying block 60 is arranged in the water pipeline 61, a driving motor 53 is fixed on the lower end wall of the driving cavity 46, a driving shaft 45 is connected to the upper end of the driving motor 53 in a power manner, two half gears 44 are fixed on the driving shaft 45, a rotating cavity 62 communicating with the driving cavity 46 is arranged in the upper end wall of the water storage cavity 35, a rotating gear 63 whose rear end can be engaged with the upper half gear 44 is arranged in the rotating cavity 62, a screw shaft 37 fixedly connected with the lower pressing plate 36 and located in the water storage cavity 35 is connected to the center thread of the rotating gear 63, and the front end of the lower half gear 44 can be engaged with the transmission gear, still be equipped with two breather pipes 15 that communicate external space in the detection chamber 16 upper end wall, the right side be equipped with dry block 32 in the breather pipe 15, the left side breather pipe 15 internal fixation has bracing piece 14, be fixed with turbine motor 13 on the bracing piece 14, turbine motor 13 upper end power is connected with turbine shaft 12, be fixed with turbine blade 11 on the turbine shaft 12, detection case 10 right-hand member face is fixed with the display screen 33 that is used for the display result.
Beneficially, the power mechanism 78 includes two power cavities 43 located on the upper end wall of the detection cavity 16, a telescopic cavity 31 with an upward opening is arranged in the lower end wall of the power cavity 43, a push rod 34 with an upper end located in the power cavity 43 and a telescopic spring 30 supporting the push rod 34 are arranged in the telescopic cavity 31, a power source 79 is fixed on the lower end wall of the power cavity 43 on the left side, three second electric wires 29 are fixed on the power source 79, one of the second electric wires 29 penetrates through the lower end wall of the power cavity 43 on the left side and penetrates through the lower end wall of the power cavity 43 on the right side twice and is fixedly connected with the front end of the electric connecting column 17 on the upper right side, the left end of one of the second electric wires 29 penetrates through the lower end wall of the power cavity 43 and is fixedly connected with the front end of the electric connecting column 17 on the upper left side, a fixing plate 80 is fixed on the right end wall, the upper end of the last second wire 29 penetrates through the fixing plate 80 and is fixedly connected with the lower side of the electricity receiving block 38, the upper side of the electricity receiving block 38 is fixedly connected with the upper end wall of the power cavity 43 through two return springs 42, the upper end of the electricity receiving block 38 is fixed with a third wire 41, the upper end of the third wire penetrates through the upper end wall of the power cavity 43 and is electrically connected with the turbine motor 13, the upper end wall of the power cavity 43 is internally provided with a friction cavity 39 with a downward opening, the friction cavity 39 is internally provided with a friction rod 40, the lower end of the friction rod is fixedly connected with the electricity receiving block 38, the upper end wall of the detection cavity 16 is also internally provided with a rotary groove 59 with a downward opening and a front end wall communicated with the external space, the left end wall of the rotary groove 59 is internally provided with a winding cavity 69, the right end wall of the rotary groove 59 is rotatably connected with a rotary shaft 58, the left end of which is positioned in the winding cavity 69, a power wheel 68 is fixed at the left end of the rotating shaft 58, and a hemp rope 70 with the upper end penetrating through the upper end wall of the winding cavity 69 and the right end wall of the power cavity 43 and fixedly connected with the lower end of the friction rod 40 is wound on the power wheel 68.
Advantageously, the spring rate of the return spring 42 is greater than the sum of the friction force between the friction lever 40 and the friction chamber 39, the weight of the friction lever 40, and the weight of the charging block 38, the lower half gear 44 is just disengaged from the transmission gear 47 when the upper half gear 44 is engaged with the rotating gear 63, and the spring force of the lifting spring 64 is greater than that of the moving spring 74.
In the initial state, the support spring 20, the compression spring 49, and the moving spring 74 are in a compressed state, the third electric wire 41, the second electric wire 29, and the first electric wire 65 are in a loose state, the pulling rope 71 is in a loose state, and the rope 51 is in a tensioned state.
The closing plate 57 is rotated manually, the rotation of the closing plate 57 drives the rotating shaft 58 to rotate, so that the power wheel 68 is driven to rotate, the hemp rope 70 is wound tightly, the hemp rope 70 is driven to descend, the upper electric connection block 38 descends and contacts with the lower electric connection block 38, the hemp rope 70 is stretched, so that the electrification between the two electric connection blocks 38 is realized, the turbine motor 13 works by the transmission of the electric energy of the power source 79 through the upper second electric wire 29 and the third electric wire 41, the turbine shaft 12 is driven to rotate, the turbine blade 11 is driven to rotate, so that the air in the detection cavity 16 is discharged, the air pipe 15 on the right side replenishes air, and the drying block 32 dries the replenished air;
after the cable is placed in the supporting groove 25, the detection cavity 16 is closed by rotating the closing plate 57, the closing plate 57 is reset to reset the rotating shaft 58, so that the power wheel 68 is reset to release the hemp rope 70, so that the hemp rope 70 and the reset spring 42 are reset slowly, the air environment in the detection cavity 16 is changed gradually, the turbine motor 13 stops working when the two power-on blocks 38 are separated, and the scraper 23 is lowered by the gravity of the cable, so that the supporting plate 22 is lowered and the supporting spring 20 is compressed;
the two ends of the cable are respectively positioned between the two electric connecting columns 17 at the two sides, at this time, the driving motor 53 works to drive the driving shaft 45 to rotate, so as to drive the half gear 44 to rotate, the lower half gear 44 is gradually meshed with the transmission gear 47, the upper half gear 44 is separated from the rotating gear 63, the lower half gear 44 rotates to drive the transmission gear 47 to rotate, so as to drive the rotating shaft 55 to rotate, so as to drive the two rope winding wheels 52 to rotate and wind up the lock chain 66, at this time, the torsion spring 54 is twisted, and due to the rotation of the half gear 44, the compression spring 49 is reset, so as to drive the spring plate 50 to move forward, so as to loosen the rope 51, the lock chain 66 is wound up to drive the lifting block 67 at the upper side to descend, so as to stretch the lifting spring 64 and the connecting rope 19, so as to lower the lifting block 67 at the lower;
during the process of clamping the cable by the electric connecting column 17, the rope 51 is loosened, so that the moving spring 74 is reset, so that the two electric connecting plates 72 are contacted, so that the loop is connected, at the moment, the condition of the device under the condition that the cable is not connected is detected, the result is displayed in the display screen 33, if the test result is incorrect, the machine is manually adjusted, if the test result is correct, the work is continued, and when the electric connecting column 17 clamps the cable, the pull rope 71 is tensioned, so that the two electric connecting plates 72 are separated again, and the moving spring 74 is compressed again;
at this time, the upper electric wire 17 descends to pull the second electric wire 29, so that the jack 34 descends and the extension spring 30 is compressed, the power source 79 outputs electric power, so that the detection of the resistance of the cable insulation layer is started, and as a result, the display screen 33 displays the result, after the detection is finished, the driving motor 53 continues to rotate, at this time, the upper half gear 44 contacts with the rotating gear 63, and the lower half gear 44 is separated from the transmission gear 47, so that the torsion spring 54 is reset, so that the rotating shaft 55 and the rope winding wheel 52 are rotationally reset, so that the chain 66 is loosened, so that the lifting spring 64 is reset, so that the lifting block 67 and the electric wire 17 are reset, so that the pulling rope 71 is loosened, and the rotation of the lower half gear 44 causes the spring plate 50 to move leftward and the compression spring 49 is compressed, so that the rope 51 is tensioned, so that the two electric plates 72 are not yet contacted, and the rotation of the upper half, thereby lowering the screw shaft 37 and lowering the lower pressure plate 36, and entering water on the lower side of the lower pressure plate 36 into the detection chamber 16 through the water passage 61 and the spray block 60, thereby changing the humidity of the detection chamber 16 to simulate a rainy environment;
the driving motor 53 continues to work to drive the driving shaft 45 to rotate, when the lower side half gear 44 is meshed with the transmission gear 47 again and the upper side half gear 44 is separated from the rotating gear 63, the resistance value of the cable in the environment simulating rainy days is detected again by the device, the result is displayed in the display screen 33, after the detection is finished, the driving motor 53 continues to work until the upper side half gear 44 is just separated from the rotating gear 63 and the lower side half gear 44 is just meshed with the transmission gear 47, and the driving motor 53 stops;
the closing plate 57 is manually rotated again to take out the cable, and in the period, the closing plate 57 rotates twice, so that the power wheel 68 is wound up and loosens the hemp rope 70 once respectively, the upper side connecting block 38 is made to descend and ascend once, the turbine motor 13 is made to work once again, so that the humid air in the detection cavity 16 is discharged, and due to the taking out of the cable, the supporting spring 20 is reset to drive the supporting plate 22 to ascend, so that the scraping plate 23 ascends, at the moment, the electric guide rail 28 works to drive the driven block 24 to move rightwards, so that the scraping plate 23 is driven to move rightwards, so that the upper end of the scraping plate 23 clears away water drops which can be condensed on the end wall of the supporting groove 25, and.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. A cable insulator aging detection device comprises a detection box which is grounded, and is characterized in that: the detection box is internally provided with a detection cavity with a forward opening, the detection cavity is internally provided with a supporting mechanism for supporting a cable, the detection cavity is internally provided with a power connection mechanism for clamping the cable to transmit current, the power connection mechanism comprises two lifting cavities with forward openings, the lifting cavities are internally provided with two lifting blocks capable of lifting and a lifting spring for connecting the lifting blocks with the end walls of the lifting cavities, the upper ends of the lifting blocks at the upper sides are fixedly provided with connecting ropes, the upper ends of the lifting blocks at the upper sides penetrate through the upper end walls of the lifting cavities and the rear end walls of the lifting cavities and are fixedly connected with the upper ends of the lifting blocks at the lower sides, the lifting cavities are also internally provided with power connection columns, the rear ends of the lifting blocks penetrate through the lifting blocks, the front ends of the power connection columns are positioned in the external space, a power connection cavity is also arranged between the two lifting cavities, and the power connection cavity, the rear end of the power connection column on the upper side is fixedly provided with a first electric wire, the rear end of the first electric wire penetrates through the rear end wall of the lifting cavity and the end wall of the power connection cavity and is fixedly connected with the power connection plate, the upper end of the lifting block on the upper side is further fixedly provided with a pull rope, the upper end of the pull rope penetrates through the upper end wall of the lifting cavity and the end wall of the power connection cavity and is fixedly connected with the power connection plate, the rear end wall of the detection cavity is further internally provided with a driving cavity, the lower end wall of the driving cavity is rotatably connected with a rotating shaft, the rotating shaft is fixedly connected with the lower end wall of the driving cavity through a torsion spring, the rotating shaft is fixedly provided with two rope winding wheels and a transmission gear, the rope winding wheels are wound with a chain, the front ends of the chain penetrates through the end wall of the driving cavity and the rear end wall of the lifting, the spring plate front end still be fixed with two front ends run through drive chamber end wall with connect electric chamber end wall and with connect electric plate fixed connection's rope, be equipped with in the detection chamber upper end wall and be used for changing the water spray mechanism of lift intracavity environment, still be equipped with the power unit that realizes electric energy output in the detection chamber upper end wall.
2. The cable insulator degradation detection apparatus according to claim 1, wherein: the supporting mechanism is including fixing detect the fixed station of chamber lower extreme wall, be equipped with the opening in the fixed station and upwards just control the end wall intercommunication detect the support groove in chamber, support the inslot end wall and be equipped with opening ascending and right-hand member wall intercommunication detect the translation groove in chamber, be equipped with opening and upwards just intercommunication in the translation groove lower extreme wall support the spring chamber in groove, translation groove rear end wall is fixed with electronic guide rail, translation inslot sliding connection have with electronic guide rail fixed connection's driven piece, the spring intracavity be equipped with the backup pad of liftable and support the supporting spring of backup pad, the supporting spring upside is equipped with the upper end and runs through the scraper blade of driven piece.
3. The cable insulator degradation detection apparatus according to claim 1, wherein: the water spraying mechanism comprises a water storage cavity positioned in the upper end wall of the detection cavity, a liftable lower pressing plate is arranged in the water storage cavity, a water pipeline communicated with the detection cavity is arranged in the lower end wall of the lower pressing plate, a spraying block is arranged in the water pipeline, a driving motor is fixed on the lower end wall of the driving cavity, the upper end of the driving motor is in power connection with a driving shaft, two half gears are fixed on the driving shaft, a rear end wall is arranged in the upper end wall of the water storage cavity and is communicated with a rotating cavity of the driving cavity, a rotating gear of which the rear end can be meshed with the upper half gear is arranged in the rotating cavity, the central thread of the rotating gear is connected with a screw shaft of which the lower end is positioned in the water storage cavity and is fixedly connected with the lower pressing plate, the front end of the lower half gear can be meshed with the transmission gear, and, the right side be equipped with dry block in the breather pipe, the left side be fixed with the bracing piece in the breather pipe, be fixed with turbine motor on the bracing piece, turbine motor upper end power is connected with the turbine shaft, be fixed with turbine blade on the turbine shaft, the detection case right-hand member face is fixed with the display screen that is used for the display result.
4. The cable insulator degradation detection apparatus according to claim 2, wherein: the power mechanism comprises two power cavities positioned on the upper end wall of the detection cavity, a telescopic cavity with an upward opening is arranged in the lower end wall of the power cavity, a mandril with an upper end positioned in the power cavity and a telescopic spring for supporting the mandril are arranged in the telescopic cavity, a power source is fixed on the lower end wall of the power cavity on the left side, three second electric wires are fixed on the power source, one second electric wire penetrates through the lower end wall of the power cavity on the left side and the right side twice and penetrates through the lower end wall of the power cavity on the right side and is fixedly connected with the front end of the power connection post on the upper right side, the left end of the second electric wire penetrates through the lower end wall of the power cavity and is fixedly connected with the front end of the power connection post on the upper left side, a fixed plate is fixed on the right end wall of the power cavity on the left side, two power connection blocks are, the upper electric connection block is fixedly connected with the upper end wall of the power cavity through two return springs, the upper end of the upper electric connection block is fixedly provided with an upper end which penetrates through the upper end wall of the power cavity and is electrically connected with the turbine motor, a friction cavity with a downward opening is arranged in the upper end wall of the power cavity, a friction rod with the lower end fixedly connected with the power connection block at the upper side is arranged in the friction cavity, a rotary groove with a downward opening and a front end wall communicated with the external space is also arranged in the upper end wall of the detection cavity, a winding cavity is arranged in the left end wall of the rotary groove, the right end wall of the rotary groove is rotationally connected with a rotary shaft with the left end positioned in the winding cavity, a sealing plate capable of sealing the detection cavity is fixed at the right end of the rotating shaft, a power wheel is fixed at the left end of the rotating shaft, and a hemp rope with the upper end penetrating through the upper end wall of the winding cavity, the right end wall of the power cavity and fixedly connected with the lower end of the friction rod is wound on the power wheel.
5. The cable insulator degradation detection apparatus according to claim 4, wherein: the elastic rate of the reset spring is greater than the sum of the friction force between the friction rod and the friction cavity, the gravity of the friction rod and the gravity of the power receiving block, the lower side half gear is just disengaged from the transmission gear when the upper side half gear is engaged with the rotating gear, and the elastic force of the lifting spring is greater than that of the moving spring.
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| CN201911319272.7A CN110954796B (en) | 2019-12-19 | 2019-12-19 | Aging detection device for cable insulator |
| JP2020075673A JP2021099300A (en) | 2019-12-19 | 2020-04-21 | Insulator deterioration measuring device for cable |
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|---|---|---|---|---|
| CN111408504A (en) * | 2020-05-20 | 2020-07-14 | 台州池泽科技有限公司 | Intelligent spraying equipment capable of identifying spraying inner space |
| CN112304261A (en) * | 2020-05-26 | 2021-02-02 | 张生阳 | Automatic thickness measuring and marking device for building floor |
| CN112304261B (en) * | 2020-05-26 | 2021-12-17 | 浙江兴舟纸业有限公司 | Automatic thickness measuring and marking device for building floor |
| CN111796209A (en) * | 2020-08-05 | 2020-10-20 | 国网江苏省电力有限公司南通供电分公司 | Ship shore power fault diagnosis device and control system thereof |
| CN111929534A (en) * | 2020-08-11 | 2020-11-13 | 郑州妙灿智能科技有限公司 | Cable skin detection equipment that breaks |
| CN112748364A (en) * | 2020-12-24 | 2021-05-04 | 海南电网有限责任公司琼海供电局 | Hand-held type transmission line insulation detection device |
| CN112782541A (en) * | 2020-12-30 | 2021-05-11 | 国网浙江省电力有限公司常山县供电公司 | High-voltage power system insulating property detection device |
| CN112782541B (en) * | 2020-12-30 | 2022-04-08 | 国网浙江省电力有限公司常山县供电公司 | High-voltage power system insulating property detection device |
| CN115792475A (en) * | 2023-01-14 | 2023-03-14 | 常丰线缆有限公司 | High-efficiency wire and cable voltage withstand test device and method |
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| JP2021099300A (en) | 2021-07-01 |
| CN110954796B (en) | 2020-08-04 |
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