CN112018684B - Intelligent grounding device for high-voltage cable and use method - Google Patents
Intelligent grounding device for high-voltage cable and use method Download PDFInfo
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- CN112018684B CN112018684B CN202010877465.0A CN202010877465A CN112018684B CN 112018684 B CN112018684 B CN 112018684B CN 202010877465 A CN202010877465 A CN 202010877465A CN 112018684 B CN112018684 B CN 112018684B
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- fixedly connected
- rotating
- wall
- box body
- clamping
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/081—Bases, casings or covers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/30—Scaring or repelling devices, e.g. bird-scaring apparatus preventing or obstructing access or passage, e.g. by means of barriers, spikes, cords, obstacles or sprinkled water
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/088—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0018—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide
- A62C99/0027—Carbon dioxide extinguishers
Abstract
The invention discloses an intelligent grounding device for a high-voltage cable, which comprises a box body, wherein one side of the box body is hinged with a door plate, a braking component for braking the door panel is arranged in the door panel, a connecting bin is arranged in the box body, the bottom of the box body is equidistantly provided with three cable access pipes, the top parts of the cable access pipes extend into the connecting bin, the invention has simple structure, the lower connecting block can be driven by the driving motor to move upwards so as to open the carbon dioxide fire extinguisher to extinguish the fire of the box body, effectively extinguish the fire in time and prevent the accident from expanding, but also can push or close the baffle plates at the two sides outwards through the stepping motor, the triangular block and the sliding rod, ventilate the box inner space, improved radiating efficiency, radiating effect good, the heat dissipation is comprehensive, can prevent that the worm and mouse from getting into the box and causing the destruction to circuit and other components in the box when not ventilating.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to an intelligent grounding device for a high-voltage cable and a using method.
Background
The transmission line adopts cable transmission on a large scale, wherein a cable grounding box is an important part used in a transmission cable system in the power industry, is widely used in projects of electric power, railway, urban construction, water conservancy, rail transit and other projects, and the grounding box is used for placing grounding wires and plays a role in protecting the grounding wires and is specifically divided into a direct grounding box, a protective grounding box, a three-phase cross interconnection grounding box and a three-phase six-wire grounding box.
At present, when a cable in a cross interconnection section is in short circuit, high-voltage current can be generated, explosion and big fire can be generated to a certain degree for a long time, the danger coefficient is higher, the existing cable grounding box firstly needs to turn off a power supply under the condition of short circuit, then works such as fire extinguishing and ending are carried out, but a certain time is needed for a worker to find an accident after the short circuit occurs, huge damage can be generated in the period of time, therefore, the existing cable grounding box can not extinguish fire in time, the danger degree is further reduced, normal electricity consumption of a user is seriously influenced, personal damage can be caused to the worker during later maintenance, and in rain and snow weather, water vapor can easily enter a box body to cause corrosion and short circuit of components, so that internal circuits are damaged, in addition, the exhaust holes of the traditional grounding box are open, and mouse and insect can easily enter the exhaust holes, damage is caused to components or circuits, unnecessary loss is caused, and the later maintenance cost is increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the intelligent grounding device of the high-voltage cable and the using method thereof, wherein the intelligent grounding device of the high-voltage cable has a compact structure, can extinguish a fire at the first time when a cable is in short circuit and an accident occurs, improves the fire extinguishing efficiency, reduces the expansion of the accident, improves the heat dissipation efficiency, can prevent insects and mice from entering a box body to damage circuits and other elements of the box body when the insects and mice are not needed, and is simple to operate.
The purpose of the invention is realized by the following technical scheme: the utility model provides an intelligent earthing device for high tension cable, includes the box, one side of box articulates there is the door plant, be equipped with in the door plant and be used for carrying out the braking subassembly that brakes to the door plant, the inside of box is equipped with the connection storehouse, three cable access pipe has been arranged to the bottom equidistance of box, the top of cable access pipe extends to in the connection storehouse, be provided with the clamping component that is used for fixed cable on the cable access pipe, the bottom inner wall fixedly connected with mounting panel in connection storehouse, one side fixedly connected with first yoke plate of mounting panel, three outer conductor holder has been arranged to one side equidistance of first yoke plate, one side fixedly connected with second yoke plate of mounting panel, three inner conductor holder has been arranged to one side equidistance of second yoke plate, three cross fixedly connected with interconnection plate between outer conductor holder and the inner conductor holder, one side fixedly connected with copper bar of mounting panel, the three protector of one side fixedly connected with of copper bar, fixedly connected with yoke plate between inner conductor holder and the protector, the one end fixedly connected with ground utmost point terminal of copper bar, the one end that the copper bar was kept away from to ground utmost point terminal extends to one side of box, the equal fixedly connected with ventilation case in both sides of box, one side of ventilation case is rotated and is connected with the baffle, is located one side of connecting the bottom inner wall in storehouse and mounting panel is provided with the drive assembly who is used for opening, closing the baffle, the top inner wall fixedly connected with connecting pipe of connecting the storehouse, a plurality of shower nozzles have been arranged to the bottom equidistance of connecting pipe, the top of box is equipped with the subassembly of putting out a fire that is used for putting out a fire to the circuit on the mounting panel, the top inner wall fixedly connected with detector of connecting the storehouse.
The braking component comprises a rotating groove arranged in the door panel, one side of the door panel is rotatably connected with a rotating shaft, one end of the rotating shaft penetrates through the rotating groove, one end of the rotating shaft, which is far away from the rotating groove, is fixedly connected with a first gear, one side of the door panel is fixedly connected with a rotating motor, the output end of the rotating motor is fixedly connected with a second gear, the first gear is meshed with the second gear, the outer wall of the rotating shaft is fixedly sleeved with a turntable, the turntable is positioned in the rotating groove, two sides of the turntable, which are deviated from the center of a circle, are both rotatably connected with connecting rods, two sides of the door panel are both provided with through holes, one ends, which are far away from each other, of the two connecting rods are both rotatably connected with connecting blocks, one ends, which are far away from each other, of the two connecting blocks are both fixedly connected with clamping blocks, the outer wall of the clamping blocks are in sliding connection with the inner walls of the through holes, two the outer wall of connecting block all overlaps and is equipped with the third spring, two the one end that the third spring is close to each other respectively with the one side inner wall fixed connection that two through-holes are close to each other, two the one end that the third spring was kept away from each other respectively with the one side fixed connection that two fixture blocks are close to each other, the both sides inner wall of box all is equipped with the screens groove, two the one end of fixture block extends respectively to in two screens grooves and respectively with two screens groove sliding connection, one side of door plant is fixed to be inlayed and is equipped with rolling bearing, rolling bearing's inner circle and rolling bearing's inner circle fixed connection are run through to the bottom of axis of rotation.
The driving assembly comprises a stepping motor fixed on the inner wall of the bottom of the connecting bin, the inner wall of the bottom of the connecting bin is fixedly connected with two symmetrical supporting blocks, an output shaft of the stepping motor is fixedly connected with a lead screw, one side, close to each other, of the two supporting blocks is respectively and slidably connected with a slide bar, one side, close to each other, of the two slide bars is fixedly connected with a same triangular block, the inner side wall of the triangular block is fixedly connected with a lead screw nut, the lead screw is in threaded connection with the lead screw nut, the top of one side of the two supporting blocks is respectively and slidably connected with a slide bar, a stop block is fixedly sleeved on the outer wall of the slide bar, a first spring is sleeved on the outer wall of the slide bar, two ends of the first spring are respectively and fixedly connected with the stop block and one side, close to each other, of the slide bar, far away from the triangular block, penetrate through the supporting blocks and extend to one side of the box body, the one end that the three hornblocks were kept away from to the slide bar is rotated and is connected with the slider, one side fixedly connected with slide rail of baffle, slider and slide rail sliding connection, the one side inner wall of connecting the storehouse is equipped with out the gas fan, the opposite side one side inner wall of connecting the storehouse is equipped with the mounting hole, fixed mounting has the steam and water separation membrane on the inner wall of mounting hole.
The fire extinguishing assembly comprises a carbon dioxide fire extinguisher fixed at the top of the box body, an upper connecting block is fixedly connected above the carbon dioxide fire extinguisher, one end of the upper connecting block is rotatably connected with a lower connecting block, a second spring is fixedly connected at the top of the lower connecting block, the top of the second spring is fixedly connected with the bottom of the upper connecting block, the top of the box body is rotatably connected with a sleeve, a conical fluted disc is fixedly sleeved on the outer wall of the sleeve, a groove is arranged in the sleeve, a nut is fixedly connected with the inner wall of the groove, a screw rod is connected with the inner wall of the nut in a threaded manner, the bottom end of the screw rod penetrates through the nut and extends into the groove, the top end of the screw rod is rotatably connected with a rotating rod, one end of the rotating rod, which is far away from the screw rod, is rotatably connected with one side of the lower connecting block, a driving motor is fixedly connected at the top of the box body, and a bevel gear is fixedly connected with an output shaft of the driving motor, bevel gear and bevel gear dish meshing, the liquid outlet cover of carbon dioxide fire extinguisher is equipped with the hose, the one end of hose run through the box and with extend to in the connecting pipe.
The door plate is provided with the tempered glass, the condition in the connecting bin can be clearly observed through the tempered glass, and clear line data are provided for later-stage workers to maintain.
One side of door plant is equipped with control panel, control panel and driving motor, air-out fan, detector, rotating electrical machines and step motor electric connection can control driving motor, air-out fan, rotating electrical machines and step motor through control panel and open and stop.
The bottom fixedly connected with stopper of screw rod, the stopper plays limiting displacement to the screw rod, thereby prevents that the screw rod rebound from breaking away from the sleeve.
The clamping assembly comprises a threaded hole formed in one side of the cable access pipe, a bolt is connected to the inner wall of the threaded hole in a threaded mode, one end of the bolt penetrates through the threaded hole and extends into the cable access pipe, and a clamping plate is fixedly connected to one end of the bolt and located in the cable access pipe.
The top fixedly connected with weather shield of box plays the guard action to driving motor and carbon dioxide fire extinguisher, can effectually block sleet.
The use method of the intelligent grounding device of the high-voltage cable comprises the following steps:
s1, opening the door panel: the rotating motor is started through the control panel, the rotating motor drives the second gear to rotate, the first gear rotating shaft and the rotary table rotate along with the first gear rotating shaft and the rotary table, the connecting rods are connected with the rotary table in a rotating mode, so that the two connecting rods move inwards to drive the connecting blocks and the clamping blocks to move inwards, the third spring is in a compressed state at the moment, the two clamping blocks move inwards to be separated from the clamping grooves, the braking of the clamping blocks on the door panel is relieved, the door panel can be opened, the rotating motor is stopped, and the clamping blocks, the connecting blocks and the connecting rods start to move outwards under the action of the third spring;
s2, connection of cables: inserting the grounding cable into the box body from the cable access pipe, stripping and cutting the grounding cable to expose a wire core with a proper installation length, fixing the wire core on the outer conductor clamping seat, screwing the bolt, and driving the clamping plate to move inwards to clamp the cable by the clamping plate so as to prevent the cable from falling off;
s3, closing the door panel: the door plate is closed, the fixture block is pressed by the outer wall of the box body to drive the connecting block and the connecting rod to move inwards until the fixture block is clamped into the clamping groove again under the elastic force of the third spring, and the door plate is braked;
s4, ventilating the connecting bin: when the detector detects that the humidity of air in the box body exceeds the standard, the stepping motor is started, the stepping motor drives the lead screw to rotate, the lead screw and the lead screw nut are in threaded connection, so that the sliding rods, the lead screw nut and the triangular block slide upwards, the triangular block is pushed to slide towards two sides by the upward movement of the triangular block, the first spring is in a compressed state, the two sliding rods move outwards to push the two baffles away towards two sides respectively, and meanwhile, the air outlet fan is started to ventilate the interior of the box body and discharge water vapor;
s5, extinguishing the fire of the line on the mounting plate: when the detector detects that smog or temperature exceed standard in the box, start driving motor drive bevel gear and rotate, drive the awl fluted disc, sleeve and nut rotate thereupon, because nut and screw rod threaded connection, the screw rod is along with the rotation rebound of carousel, and the dwang respectively with the lower antithetical couplet piece, the screw rod rotates and connects, consequently the screw rod drives the dwang and rotates with the lower antithetical couplet piece, the second spring is in compression state this moment, and then open the carbon dioxide fire extinguisher, fire extinguishing agent in the carbon dioxide fire extinguisher passes through in the hose gets into the connecting pipe, through the shower nozzle blowout, put out a fire to the circuit on the mounting panel.
The invention has the following advantages:
1. in the invention, the rotating motor is started through the control panel to drive the second gear to rotate, so that the first gear, the rotary table and the rotating shaft are driven to rotate along with the first gear, the two connecting rods move towards the middle, the connecting blocks and the clamping blocks are driven to move towards the middle along with the rotating shaft, the two clamping blocks are separated from the clamping grooves, and the door plate is braked, so that the door plate can be opened, the door plate is simple and convenient, and a non-worker is prevented from opening the box body without permission;
2. according to the invention, the door plate is provided with the tempered glass, so that when a short circuit or a fire disaster occurs in the connecting bin, the specific situation in the connecting bin can be clearly observed through the tempered glass, and a subsequent maintenance planning is facilitated;
3. according to the invention, the stepping motor is started to drive the screw rod to rotate, the screw rod is in threaded connection with the screw rod nut, so that the sliding rods, the sliding rods and the triangular blocks slide upwards, the two sliding rods slide towards opposite directions, one ends of the sliding rods are in sliding connection with the baffle plates, and the two baffle plates can be pushed outwards by the two sliding rods finally, so that ventilation is facilitated;
4. according to the invention, when the detector detects that the smoke concentration exceeds the standard, the driving motor is started, the driving motor drives the bevel gear to rotate, the sleeve and the bevel gear disc are driven to rotate, the screw rod is in threaded connection with the nut, the screw rod moves upwards along with the rotation of the nut and the sleeve, and the screw rod, the rotating rod and the lower connecting block are in rotating connection, so that the lower connecting block is driven by the screw rod to rotate upwards, the carbon dioxide fire extinguisher is opened, and dry powder in the carbon dioxide fire extinguisher enters the connecting pipe through the hose;
5. according to the invention, a cable is inserted into the box body from the cable access pipe, the cable core is fixedly connected with the outer conductor clamping seat, the bolt is screwed at the moment, the clamping plate is driven to move inwards, and the outer layer of the cable can be clamped through the clamping plate, so that the cable core is prevented from falling off from the outer conductor clamping seat under the action of gravity;
6. according to the invention, the bottom end of the screw is sleeved with the limiting block, and the limiting block plays a limiting role on the screw, so that the screw is prevented from being separated from the sleeve and the nut in the moving-up process, and further subsequent work is prevented from being influenced.
The carbon dioxide fire extinguisher provided by the invention has a simple structure, the lower connecting block can be driven by the driving motor to move upwards so as to open the carbon dioxide fire extinguisher to extinguish a fire for the box body, a fire hazard can be effectively extinguished in time, an accident is prevented from being enlarged, the baffles on the two sides can be pushed outwards or closed through the stepping motor, the triangular block and the sliding rod, the internal space of the box body is ventilated, the heat dissipation efficiency is improved, the heat dissipation effect is good, the heat dissipation is comprehensive, and insects and mice can be prevented from entering the box body to damage circuits and other elements in the box body when ventilation is not performed.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a side cross-sectional view of the present invention;
FIG. 4 is a top cross-sectional view of the present invention;
FIG. 5 is a rear cross-sectional view of the present invention;
FIG. 6 is an enlarged view taken at A in FIG. 2 of the present invention;
FIG. 7 is an enlarged view of the invention at B in FIG. 3;
FIG. 8 is an enlarged view of the invention at C of FIG. 3;
FIG. 9 is an enlarged view of the invention at D of FIG. 3;
FIG. 10 is a side view of a door panel of the present invention;
FIG. 11 is a side cross-sectional view of the brake assembly of the present invention;
FIG. 12 is a side cross-sectional view of the cable access tube of the present invention;
FIG. 13 is a top view of the cable access tube of the present invention;
FIG. 14 is a side view of the turntable of the present invention;
FIG. 15 is a front cross-sectional view of the turntable of the present invention;
fig. 16 is a schematic structural diagram of a second embodiment of the present invention.
In the figure, 1-box body, 2-connecting cabin, 3-cable connecting pipe, 4-threaded hole, 5-bolt, 6-clamping plate, 7-outer conductor clamping seat, 8-second coupling plate, 9-inner conductor clamping seat, 10-copper bar and 11-coupling plate; 12-protector, 13-ground terminal, 14-air outlet fan, 15-water-vapor separation membrane, 16-ventilation box, 17-baffle, 18-supporting block, 19-sliding rod, 20-spray head, 21-first spring, 22-interconnection plate, 23-rain shield, 24-carbon dioxide fire extinguisher, 25-upper connection block, 26-lower connection block, 27-second spring, 28-sleeve, 29-nut, 30-screw, 31-conical fluted disc, 32-driving motor, 33-bevel gear, 34-hose, 35-connecting pipe, 36-door plate, 37-rotating groove, 38-rotating shaft, 39-rotating disc, 40-rotating shaft, 41-first connection plate, 42-connecting rod, 43-connecting block, 44-through hole, 45-clamping block, 46-third spring, 47-clamping groove, 48-first gear, 49-rotating motor, 50-second gear, 51-groove, 52-limiting block, 53-control panel, 54-strengthened glass, 55-rotating bearing, 56-detector, 57-clamping block, 58-sliding block, 59-sliding rail, 60-stepping motor, 61-lead screw, 62-sliding rod, 63-lead screw nut, 64-mounting plate and 65-triangular block.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:
the first embodiment is as follows: as shown in fig. 1-15, an intelligent grounding device for high-voltage cables comprises a box body 1, a door plate 36 is hinged on one side of the box body 1, a braking component for braking the door plate 36 is arranged in the door plate 36, a connecting bin 2 is arranged in the box body 1, three cable access pipes 3 are arranged at the bottom of the box body 1 at equal intervals, the tops of the cable access pipes 3 extend into the connecting bin 2, a clamping component for fixing cables is arranged on the cable access pipes 3, a mounting plate 64 is fixedly connected to the inner wall of the bottom of the connecting bin 2, a first connecting plate 41 is fixedly connected to one side of the mounting plate 64, three outer conductor holders 7 are arranged at one side of the first connecting plate 41 at equal intervals, a second connecting plate 8 is fixedly connected to one side of the mounting plate 64, three inner conductor holders 9 are arranged at one side of the second connecting plate 8 at equal intervals, and an interconnecting plate 22 is fixedly connected between the three outer conductor holders 7 and the inner conductor holders 9 in a crossing manner, one side fixedly connected with copper bar 10 of mounting panel 64, the three protector 12 of one side fixedly connected with of copper bar 10, fixedly connected with yoke plate 11 between inner conductor holder 9 and the protector 12, the one end fixedly connected with ground terminal 13 of copper bar 10, ground terminal 13 keeps away from one end of copper bar 10 and extends to one side of box 1, the equal fixedly connected with ventilation case 16 in both sides of box 1, one side of ventilation case 16 is rotated and is connected with baffle 17, one side that is located the bottom inner wall of connecting bin 2 and mounting panel 64 is provided with the drive assembly who is used for opening, close baffle 17, the top inner wall fixedly connected with connecting pipe 35 of connecting bin 2, a plurality of shower nozzles 20 have been arranged to the bottom equidistance of connecting pipe 35, the top of box 1 is equipped with the subassembly of putting out a fire that is used for putting out a fire to the circuit on mounting panel 64, the top inner wall fixedly connected with detector 56 of connecting bin 2, detector 56 has the detection air humidity, The working principles and wiring methods of the driving motor 32, the rotating motor 49, the control panel 53, the detector 56 and the stepping motor 60 are, of course, well known to those skilled in the art, and all of them are conventional means or common knowledge, and will not be described herein again, and those skilled in the art can make any choice according to their needs or convenience.
In the invention, the brake assembly comprises a rotating groove 37 arranged in the door panel 36, one side of the door panel 36 is rotatably connected with a rotating shaft 38, one end of the rotating shaft 38 penetrates through the rotating groove 37, one end of the rotating shaft 38 far away from the rotating groove 37 is fixedly connected with a first gear 48, one side of the door panel 36 is fixedly connected with a rotating motor 49, the output end of the rotating motor 49 is fixedly connected with a second gear 50, the first gear 48 is meshed with the second gear 50, the outer wall of the rotating shaft 38 is fixedly sleeved with a rotating disc 39, the rotating disc 39 is positioned in the rotating groove 37, two sides of the rotating disc 39 deviating from the circle center are rotatably connected with connecting rods 42, both sides of the door panel 36 are provided with through holes 44, one ends of the two connecting rods 42 far away from each other are rotatably connected with connecting blocks 43, one end of each connecting block 43 extends into the through hole 44, one ends of the two connecting blocks 43 far away from each other are fixedly connected with clamping blocks 45, the outer wall of the clamping blocks 45 are connected with the inner walls of the through holes 44 in a sliding manner, the outer wall of two connecting blocks 43 all overlaps and is equipped with third spring 46, the one end that two third springs 46 are close to each other respectively with the one side inner wall fixed connection that two through-holes 44 are close to each other, the one end that two third springs 46 are kept away from each other respectively with the one side fixed connection that two fixture blocks 45 are close to each other, the both sides inner wall of box 1 all is equipped with screens groove 47, the one end of two fixture blocks 45 extends respectively to in two screens grooves 47 and respectively with two screens grooves 47 sliding connection, one side of door plant 36 is fixed to be inlayed and is equipped with rolling bearing 55, the bottom of axis of rotation 38 runs through rolling bearing 55's inner circle and rolling bearing 55's inner circle fixed connection.
In the invention, the driving component comprises a stepping motor 60 fixed on the inner wall of the bottom of the connecting bin 2, the inner wall of the bottom of the connecting bin 2 is fixedly connected with two symmetrical supporting blocks 18, an output shaft of the stepping motor 60 is fixedly connected with a lead screw 61, one side of the two supporting blocks 18 close to each other is slidably connected with a slide bar 62, one side of the two slide bars 62 close to each other is fixedly connected with a same triangular block 65, the inner side wall of the triangular block 65 is fixedly connected with a lead screw nut 63, the lead screw 61 is in threaded connection with the lead screw nut 63, one side top of one side of the two supporting blocks 18 is slidably connected with a slide bar 19, a stop block 57 is fixedly sleeved on the outer wall of the slide bar 19, a first spring 21 is sleeved on the outer wall of the slide bar 19, two ends of the first spring 21 are respectively fixedly connected with one side of the stop block 57 and the supporting blocks 18 close to each other, one end of the slide bar 19 far away from the triangular block 65 penetrates through the supporting blocks 18 and extends to one side of the box body 1, the one end that triangle piece 65 was kept away from to slide bar 19 rotates and is connected with slider 58, one side fixedly connected with slide rail 59 of baffle 17, slider 58 and slide rail 59 sliding connection, and the one side inner wall of connecting storehouse 2 is equipped with out gas fan 14, and the opposite side one side inner wall of connecting storehouse 2 is equipped with the mounting hole, and fixed mounting has steam separation membrane 15 on the inner wall of mounting hole.
In the invention, the fire extinguishing assembly comprises a carbon dioxide fire extinguisher 24 fixed on the top of a box body 1, an upper connecting block 25 is fixedly connected above the carbon dioxide fire extinguisher 24, a lower connecting block 26 is rotatably connected with one end of the upper connecting block 25, a second spring 27 is fixedly connected with the top of the lower connecting block 26, the top of the second spring 27 is fixedly connected with the bottom of the upper connecting block 25, a sleeve 28 is rotatably connected with the top of the box body 1, a conical fluted disc 31 is fixedly sleeved on the outer wall of the sleeve 28, a groove 51 is arranged in the sleeve 28, a nut 29 is fixedly connected with the inner wall of the groove 51, a screw 30 is in threaded connection with the inner wall of the nut 29, the bottom end of the screw 30 penetrates through the nut 29 and extends into the groove 51, a rotating rod 40 is rotatably connected with the top end of the rotating rod 40, one end of the rotating rod 40, far away from the screw 30, is rotatably connected with one side of the lower connecting block 26, a driving motor 32 is fixedly connected with the top of the box body 1, and a bevel gear 33 is fixedly connected with an output shaft of the driving motor 32, the bevel gear 33 is meshed with the bevel gear disc 31, a hose 34 is sleeved at a liquid outlet of the carbon dioxide fire extinguisher 24, and one end of the hose 34 penetrates through the box body 1 and extends into a connecting pipe 35.
In the invention, a control panel 53 is arranged on one side of the door panel 36, the control panel 53 is electrically connected with the driving motor 32, the air outlet fan 14, the detector 56, the rotating motor 49 and the stepping motor 60, and the driving motor 32, the air outlet fan 14, the rotating motor 49 and the stepping motor 60 can be controlled to start and stop through the control panel 53.
In the invention, the bottom end of the screw 30 is fixedly connected with the limiting block 52, and the limiting block 52 limits the screw 30 and prevents the screw 30 from moving upwards to be separated from the sleeve 28.
According to the cable connecting device, the clamping assembly comprises a threaded hole 4 arranged on one side of the cable connecting pipe 3, a bolt 5 is connected to the inner wall of the threaded hole 4 in a threaded mode, one end of the bolt 5 penetrates through the threaded hole 4 and extends into the cable connecting pipe 3, a clamping plate 6 is fixedly connected to one end of the bolt 5, and the clamping plate 6 is located in the cable connecting pipe 3.
In the invention, the top of the box body 1 is fixedly connected with the rain baffle 23, which plays a role in protecting the driving motor 32 and the carbon dioxide fire extinguisher 24 and can effectively block rain and snow.
The use method of the intelligent grounding device of the high-voltage cable comprises the following steps:
s1, opening door panel 36: the rotating motor 49 is started through the control panel 53, the rotating motor 49 drives the second gear 50 to rotate, the rotating shaft 38 of the first gear 48 and the rotating disc 39 rotate along with the rotating shaft, the two connecting rods 42 move inwards due to the rotating connection of the connecting rods 42 and the rotating disc 39, so that the connecting block 43 and the clamping block 45 are driven to move inwards, the third spring 46 is in a compressed state at the moment, the two clamping blocks 45 move inwards to be separated from the clamping groove 47, the braking of the clamping block 45 on the door plate 36 is released, the door plate 36 can be opened, the rotating motor 49 is stopped, and the clamping block 45, the connecting block 43 and the connecting rod 42 start to move outwards under the action of the third spring 46;
s2, connection of cables: inserting the grounding cable into the box body 1 from the cable access pipe 3, stripping and cutting the grounding cable to expose a wire core with a proper installation length, fixing the wire core on the outer conductor clamping seat 7, screwing the bolt 5, and driving the clamping plate 6 to move inwards to enable the clamping plate 6 to clamp the cable tightly so as to prevent the cable from falling off;
s3, closing of door panel 36: the door plate 36 is closed, the fixture block 45 is pressed by the outer wall of the box body 1 to drive the connecting block 43 and the connecting rod 42 to move inwards until the fixture block 45 is clamped into the fixture groove 47 again under the elastic force of the third spring 46, and the door plate 36 is braked;
s4, ventilating the connecting bin 2: when the detector 56 detects that the humidity of the air inside the box body 1 exceeds the standard, the stepping motor 60 is started, the stepping motor 60 drives the screw rod 61 to rotate, since the screw 61 and the screw nut 63 are threadedly connected such that the slide bar 62, the screw nut 63 and the triangular block 65 slide upward, because the upward movement of the triangular block 65 will push the two sliding rods 19 to slide towards both sides, and the first spring 21 is in a compressed state, the two sliding rods 19 move outwards to push the two blocking plates 17 away towards both sides respectively, and simultaneously, the air outlet fan 14 is started to ventilate the inside of the box body 1, discharge water vapor and, when ventilation is not needed, the stepping motor 60 drives the slide bar 62, the lead screw nut 63 and the triangular block 65 to slide downwards, the slide bar 19 slides inwards under the elastic force of the first spring 21, the baffle 17 can be closed, so that insects and mice are prevented from entering the box body 1 to damage circuits and other elements in the box body 1;
s5, extinguishing fire for the line on the mounting plate 64: when the detector 56 detects that smoke or temperature in the box body 1 exceeds the standard, the driving motor 32 is started to drive the bevel gear 33 to rotate, the bevel gear disc 31, the sleeve 28 and the nut 29 are driven to rotate, due to the threaded connection between the nut 29 and the screw 30, the screw 30 moves upwards along with the rotation of the rotary disc 39, the rotating rod 40 is respectively connected with the lower connecting block 26 and the screw 30 in a rotating mode, the screw 30 drives the rotating rod 40 and the lower connecting block 26 to rotate upwards, at the moment, the second spring 27 is in a compressed state, the carbon dioxide fire extinguisher 24 is opened, fire extinguishing agents in the carbon dioxide fire extinguisher 24 enter the connecting pipe 35 through the hose 34 and are sprayed out through the spray nozzle 20, and fire extinguishing is carried out on a line on the mounting plate 64.
Example two: as shown in fig. 16, the present embodiment differs from the first embodiment in that: be equipped with tempered glass 54 on the door plant 36, through the condition in the observation that tempered glass 54 can be clear connects storehouse 2, maintain for the later stage staff and provide clear line data, prevent that the staff from opening door plant 36 at the condition of not knowing in connecting storehouse 2, lead to the staff to receive the injury.
The working principle is as follows: firstly, a rotating motor 49 is started through a control panel 53, the rotating motor 49 drives a second gear 50 to rotate, a rotating shaft 38 of a first gear 48 and a rotating disc 39 rotate along with the first gear, two rotating discs 39 move inwards due to the rotating connection of a connecting rod 42 and the rotating disc 39, so that a connecting block 43 and a clamping block 45 are driven to move inwards, a third spring 46 is in a compressed state at the moment, two clamping blocks 45 move inwards to be separated from a clamping groove 47, the clamping block 45 is released from braking on a door plate 36, the door plate 36 can be opened, the rotating motor 49 is stopped, the clamping block 45, the connecting block 43 and the connecting rod 42 start to move outwards under the action of the third spring 46, then a grounding cable is inserted into the box body 1 from a cable access pipe 3, the grounding cable is stripped, a wire core with a proper installation length is exposed and fixed on an outer conductor clamping seat 7, then a bolt 5 is screwed, a clamping plate 6 is driven to move inwards, so that the clamping plate 6 clamps the cable to prevent the cable from falling off, then the door panel 36 is closed, the fixture block 45 is pressed by the outer wall of the box body 1 to drive the connecting block 43 and the connecting rod 42 to move inwards until the fixture block 45 is clamped into the clamping groove 47 again by the elastic force of the third spring 46 to brake the door panel 36, in a second step, when the detector 56 detects that the air humidity inside the box body 1 exceeds the standard, the stepping motor 60 is started to drive the lead screw 61 to rotate, the slide rod 62, the lead screw nut 63 and the triangular block 65 slide upwards due to the threaded connection of the lead screw 61 and the lead screw nut 63, because the triangular block 65 moves upwards, the two slide rods 19 are pushed to slide towards two sides, the first spring 21 is in a compressed state, the two slide rods 19 move outwards to push the two baffle plates 17 away towards two sides, and the air outlet fan 14 and the water-vapor separation membrane 15 are started to ventilate the inside of the box body 1, discharging water vapor, when ventilation is not needed, the stepping motor 60 drives the sliding rod 62, the lead screw nut 63 and the triangular block 65 to slide downwards, the sliding rod 19 slides inwards under the elastic force of the first spring 21, and then the baffle 17 can be closed, so that insects and mice are prevented from entering the box body 1 to damage circuits and other elements in the box body 1, in a third step, when the detector 56 detects smoke or temperature in the box body 1 exceeds the standard, the driving motor 32 is started to drive the bevel gear 33 to rotate, the bevel gear disc 31, the sleeve 28 and the nut 29 are driven to rotate along with the rotation of the rotating disc 39, because the nut 29 is in threaded connection with the screw 30, the screw 30 moves upwards along with the rotation of the rotating disc 39, and the rotating rod 40 is respectively in rotational connection with the lower connecting block 26 and the screw 30, therefore the screw 30 drives the rotating rod 40 and the lower connecting block 26 to rotate upwards, at the moment, the second spring 27 is in a compressed state, so as to open the carbon dioxide fire extinguisher 24, the fire extinguishing agent in the carbon dioxide extinguisher 24 enters the connecting pipe 35 through the hose 34, and is sprayed out through the spray nozzle 20 to extinguish the line on the mounting plate 64.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides an intelligence earthing device for high tension cable, includes box (1), its characterized in that: one side of box (1) articulates there is door plant (36), be equipped with in door plant (36) and be used for carrying out the brake subassembly that brakes to door plant (36), the inside of box (1) is equipped with connects storehouse (2), the bottom equidistance of box (1) has arranged three cable and has inserted pipe (3), the top that cable inserted pipe (3) extends to in connecting storehouse (2), be provided with the clamping component who is used for fixed cable on cable inserts pipe (3), the bottom inner wall fixedly connected with mounting panel (64) of connecting storehouse (2), one side fixedly connected with first yoke plate (41) of mounting panel (64), three outer conductor holder (7) have been arranged to one side equidistance of first yoke plate (41), one side fixedly connected with second yoke plate (8) of mounting panel (64), three inner conductor holder (9) have been arranged to one side equidistance of second yoke plate (8), the copper busbar joint comprises three cross fixedly connected with interconnection plates (22) between an outer conductor holder (7) and an inner conductor holder (9), one side of a mounting plate (64) is fixedly connected with a copper bar (10), one side of the copper bar (10) is fixedly connected with three protectors (12), the inner conductor holder (9) and the protectors (12) are fixedly connected with the interconnection plates (11), one end of the copper bar (10) is fixedly connected with a ground terminal (13), one end, far away from the copper bar (10), of the ground terminal (13) extends to one side of a box body (1), both sides of the box body (1) are fixedly connected with a ventilation box (16), one side of the ventilation box (16) is rotatably connected with a baffle plate (17), a driving component used for opening and closing the baffle plate (17) is arranged on one side of the bottom inner wall of a connecting bin (2) and one side of the mounting plate (64), and a connecting tube (35) is fixedly connected with the top inner wall of the connecting bin (2), a plurality of shower nozzles (20) have been arranged to the bottom equidistance of connecting pipe (35), the top of box (1) is equipped with the subassembly of putting out a fire that is used for putting out a fire to the circuit on mounting panel (64), the top inner wall fixedly connected with detector (56) of connection storehouse (2), the subassembly of putting out a fire is including fixing carbon dioxide fire extinguisher (24) at box (1) top, the top fixedly connected with of carbon dioxide fire extinguisher (24) links piece (25) on, the one end of going up link piece (25) is rotated and is connected with down link piece (26), the top fixedly connected with second spring (27) of lower link piece (26), the top of second spring (27) and the bottom fixed connection of last link piece (25), the top of box (1) is rotated and is connected with sleeve (28), fixed cover on the outer wall of sleeve (28) is equipped with awl fluted disc (31), a groove (51) is arranged in the sleeve (28), the inner wall of the groove (51) is fixedly connected with a nut (29), the inner wall of the nut (29) is in threaded connection with a screw rod (30), the bottom end of the screw rod (30) penetrates through the nut (29) and extends into the groove (51), the top end of the screw rod (30) is rotatably connected with a rotating rod (40), one end of the rotating rod (40) far away from the screw rod (30) is rotatably connected with one side of the lower connecting block (26), the top of the box body (1) is fixedly connected with a driving motor (32), an output shaft of the driving motor (32) is fixedly connected with a bevel gear (33), the bevel gear (33) is meshed with the bevel gear disc (31), a hose (34) is sleeved at a liquid outlet of the carbon dioxide fire extinguisher (24), one end of the hose (34) penetrates through the box body (1) and extends into the connecting pipe (35).
2. An intelligent grounding device for high voltage cables as claimed in claim 1, wherein: the brake assembly comprises a rotating groove (37) arranged in a door plate (36), one side of the door plate (36) is rotatably connected with a rotating shaft (38), one end of the rotating shaft (38) penetrates through the rotating groove (37), one end of the rotating shaft (38) far away from the rotating groove (37) is fixedly connected with a first gear (48), one side of the door plate (36) is fixedly connected with a rotating motor (49), an output end of the rotating motor (49) is fixedly connected with a second gear (50), the first gear (48) is meshed with the second gear (50), a rotary disc (39) is fixedly sleeved on the outer wall of the rotating shaft (38), the rotary disc (39) is positioned in the rotating groove (37), connecting rods (42) are rotatably connected to the two sides of the rotary disc (39) deviating from the circle center, through holes (44) are arranged on the two sides of the door plate (36), and connecting blocks (43) are rotatably connected to the two ends of the connecting rods (42) far away from each other, one end of each connecting block (43) extends into the through hole (44), one end of each connecting block (43) which is far away from each other is fixedly connected with a clamping block (45), the outer wall of each clamping block (45) is connected with the inner wall of the through hole (44) in a sliding manner, the outer wall of each connecting block (43) is sleeved with a third spring (46), one end of each third spring (46) which is close to each other is fixedly connected with the inner wall of one side of each through hole (44) which is close to each other, one end of each third spring (46) which is far away from each other is fixedly connected with one side of each clamping block (45) which is close to each other, the inner walls of the two sides of the box body (1) are respectively provided with clamping grooves (47), one end of each clamping block (45) extends into each clamping groove (47) and is connected with each clamping groove (47) in a sliding manner, one side of the door plate (36) is fixedly embedded with a rotating bearing (55), the bottom end of the rotating shaft (38) penetrates through the inner ring of the rotating bearing (55) and is fixedly connected with the inner ring of the rotating bearing (55).
3. An intelligent grounding device for high voltage cables as claimed in claim 2, wherein: the driving assembly comprises a stepping motor (60) fixed on the inner wall of the bottom of the connecting bin (2), the inner wall of the bottom of the connecting bin (2) is fixedly connected with two symmetrical supporting blocks (18), an output shaft of the stepping motor (60) is fixedly connected with a lead screw (61), one sides, close to each other, of the two supporting blocks (18) are respectively and slidably connected with a slide bar (62), one sides, close to each other, of the two slide bars (62) are fixedly connected with a same triangular block (65), the inner side wall of the triangular block (65) is fixedly connected with a lead screw nut (63), the lead screw (61) is in threaded connection with the lead screw nut (63), the tops of one sides of the two supporting blocks (18) are respectively and slidably connected with a sliding rod (19), a stop block (57) is fixedly sleeved on the outer wall of the sliding rod (19), and a first spring (21) is sleeved on the outer wall of the sliding rod (19), the both ends of first spring (21) are respectively with dog (57) and one side fixed connection that supporting shoe (18) are close to each other, the one end that three hornblocks (65) were kept away from in slide bar (19) runs through supporting shoe (18) and extends to one side of box (1), the one end rotation that three hornblocks (65) were kept away from in slide bar (19) is connected with slider (58), one side fixedly connected with slide rail (59) of baffle (17), slider (58) and slide rail (59) sliding connection, the one side inner wall of connecting storehouse (2) is equipped with out gas fan (14), the opposite side inner wall of connecting storehouse (2) is equipped with the mounting hole, fixed mounting has steam separation membrane (15) on the inner wall of mounting hole.
4. An intelligent grounding device for high voltage cables as claimed in claim 1, wherein: the door plate (36) is provided with the tempered glass (54), the condition in the connecting bin (2) can be clearly observed through the tempered glass (54), and clear line data are provided for later-stage workers to maintain.
5. An intelligent grounding device for high voltage cables as claimed in claim 3, wherein: one side of door plant (36) is equipped with control panel (53), control panel (53) and driving motor (32), air outlet fan (14), detector (56), rotating electrical machines (49) and step motor (60) electric connection can control driving motor (32), air outlet fan (14), rotating electrical machines (49) and step motor (60) through control panel (53) and open and stop.
6. An intelligent grounding device for high voltage cables as claimed in claim 1, wherein: the bottom end fixedly connected with stopper (52) of screw rod (30), stopper (52) play limiting displacement to screw rod (30), thereby prevent that screw rod (30) rebound from breaking away from sleeve (28).
7. An intelligent grounding device for high voltage cables as claimed in claim 5, wherein: the clamping assembly comprises a threaded hole (4) formed in one side of the cable access pipe (3), a bolt (5) is connected to the inner wall of the threaded hole (4) in a threaded mode, one end of the bolt (5) penetrates through the threaded hole (4) and extends into the cable access pipe (3), a clamping plate (6) is fixedly connected to one end of the bolt (5), and the clamping plate (6) is located in the cable access pipe (3).
8. An intelligent grounding device for high voltage cables as claimed in claim 1, wherein: the top fixedly connected with weather shield (23) of box (1) plays the guard action to driving motor (32) and carbon dioxide fire extinguisher (24), can effectually block rain and snow.
9. A method for using the intelligent grounding device of high voltage cable according to claim 7, characterized in that: it comprises the following steps:
s1, opening of the door panel (36): the rotating motor (49) is started through the control panel (53), the rotating motor (49) drives the second gear (50) to rotate, the rotating shaft (38) of the first gear (48) and the rotating disc (39) rotate along with the rotating shaft, the connecting rod (42) is connected with the rotating disc (39) in a rotating mode, the two connecting rods (42) move inwards, the connecting block (43) and the clamping block (45) are driven to move inwards, the third spring (46) is in a compressed state at the moment, the two clamping blocks (45) move inwards to be separated from the clamping groove (47), the braking of the clamping block (45) on the door panel (36) is relieved, the door panel (36) can be opened, the rotating motor (49) is stopped, and the clamping block (45), the connecting block (43) and the connecting rod (42) start to move outwards under the action of the third spring (46);
s2, connection of cables: inserting the grounding cable into the box body (1) from the cable access pipe (3), stripping and cutting the grounding cable to expose a wire core with a proper installation length, fixing the wire core on the outer conductor clamping seat (7), screwing the bolt (5) and driving the clamping plate (6) to move inwards to enable the clamping plate (6) to clamp the cable tightly and prevent the cable from falling off;
s3, closing of the door panel (36): the door plate (36) is closed, the clamping block (45) is pressed by the outer wall of the box body (1) to drive the connecting block (43) and the connecting rod (42) to move inwards until the clamping block (45) is clamped into the clamping groove (47) again under the action of the elastic force of the third spring (46), and the door plate (36) is braked;
s4, ventilating the connecting bin (2): when the detector (56) detects that the humidity of air in the box body (1) exceeds the standard, the stepping motor (60) is started, the stepping motor (60) drives the lead screw (61) to rotate, the lead screw (61) is in threaded connection with the lead screw nut (63) so that the sliding rod (62), the lead screw nut (63) and the triangular block (65) slide upwards, the two sliding rods (19) are pushed to slide towards two sides due to the upward movement of the triangular block (65), the first spring (21) is in a compression state at the moment, the two sliding rods (19) move outwards to push the two baffles (17) away towards two sides respectively, the air outlet fan (14) is started to ventilate the inside of the box body (1), the outside air is filtered by the water-vapor separation membrane (15) and then enters the box body (1), the air outlet fan (14) can discharge water vapor in the box body (1), and when ventilation is not needed, the stepping motor (60) drives the sliding rod (62), the lead screw nut (63) and the triangular block (65) to slide downwards, the sliding rod (19) slides inwards under the action of the elastic force of the first spring (21), and then the baffle (17) can be closed, so that insects and mice are prevented from entering the box body (1) to damage circuits and other elements in the box body (1);
s5, extinguishing fire of the line on the mounting plate (64): when the detector (56) detects that smoke or temperature in the box body (1) exceeds the standard, the driving motor (32) is started to drive the bevel gear (33) to rotate, the bevel gear disc (31), the sleeve (28) and the nut (29) are driven to rotate along with the rotation, the nut (29) is in threaded connection with the screw (30), the screw (30) moves upwards along with the rotation of the rotary disc (39), the rotating rod (40) is respectively in rotating connection with the lower connecting block (26) and the screw (30), therefore, the screw (30) drives the rotating rod (40) and the lower connecting block (26) to rotate upwards, the second spring (27) is in a compressed state at the moment, the carbon dioxide fire extinguisher (24) is opened, fire extinguishing agents in the carbon dioxide fire extinguisher (24) enter the connecting pipe (35) through the hose (34) and are sprayed out through the spray nozzle (20), and the circuit on the mounting plate (64) is extinguished.
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| CN202010877465.0A CN112018684B (en) | 2020-08-27 | 2020-08-27 | Intelligent grounding device for high-voltage cable and use method |
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| CN114009167A (en) * | 2021-11-03 | 2022-02-08 | 山东省煤田地质局第二勘探队 | Coal mining subsidence land ecological restoration equipment |
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| CN114336313B (en) * | 2022-01-13 | 2023-07-07 | 烟台汽车工程职业学院 | Electromechanical device with fire extinguishing function |
| CN116317620B (en) * | 2023-05-10 | 2023-07-28 | 国网甘肃省电力公司兰州供电公司 | Green electric power wisdom fortune dimension AC-DC conversion equipment of transmission and transformation engineering |
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Denomination of invention: An intelligent grounding device for high-voltage cables and its application method Effective date of registration: 20221109 Granted publication date: 20211008 Pledgee: Hangzhou Fuyang Sub branch of China CITIC Bank Co.,Ltd. Pledgor: HANGZHOU JUQI INFORMATION TECHNOLOGY Co.,Ltd. Registration number: Y2022980021239 |