CN105322493A - Ground wire ice melting automatic wiring device - Google Patents
Ground wire ice melting automatic wiring device Download PDFInfo
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- CN105322493A CN105322493A CN201410265566.7A CN201410265566A CN105322493A CN 105322493 A CN105322493 A CN 105322493A CN 201410265566 A CN201410265566 A CN 201410265566A CN 105322493 A CN105322493 A CN 105322493A
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Abstract
The present invention discloses a ground wire ice melting automatic wiring device. The current of an iron tower transmission conductive wire is used for iron tower ground wire ice melting. The ground wire ice melting automatic wiring device comprises an electrical control device, a transmission mechanism, an opening and closing electrical conductor, and a jumper wire string power taking appliance and a power taking appliance. The power taking appliance is communicated with a fixed power transmission wire and is suspended on an iron tower through the jumper wire string power taking appliance. The transmission mechanism is fixed to the iron tower, and an adaption distance is maintained between the transmission mechanism and the jumper wire string power taking appliance. The transmission mechanism is connected to an opening and closing electrical conductor connection end in an insulating way. A connection wire is arranged between the opening and closing electrical conductor and the iron tower ground wire. The electrical control device rotates the opening and closing electrical conductor to be connected to or separated from the power taking appliance through controlling the transmission mechanism. The current on split conductive wires can be gathered and led to a ground wire, and the ice on the ground wire is melted through the thermal effect of current.
Description
Technical field
The present invention relates to overhead transmission line engineering field, especially relate to a kind of ground wire deicing automatic connection device of overhead transmission line engineering.
Background technology
The transmission line of especially some high and cold mountain area of China of the transmission line under extreme weather conditions, one to winter, often icing was serious.The longitudinal unbalance tension force that uneven icing on transmission pressure, ground wire produces, steel tower can be caused toward the large side run-off the straight of tension force or bending, when exceeding design ability to bear, transmission pressure will occur, the fracture of ground wire, gold utensil come off, serious meeting causes collapse of iron tower.In addition, due to overhead ground wire on steel tower, to resist part unlike transmission pressure by the heat energy that load current produces freezing, and its ice covering thickness is generally considerably beyond transmission pressure.
At present, the related data of domestic ground wire deicing device is also less.In recent years unit is had to develop the device of ground wire deicing, but its ground wire deicing device developed need twine enamelled wire drainage by steel tower on ice-melt forefathers on ground wire, multi-form ground wire deicing device is in succession have developed although domestic in recent years, but still also exist in actual applications and need the upper tower of workmen, cable is connected with ground wire with the interflow wire clamp of transmission pressure by manual operation ice-melt insulating bar, the shortcomings such as operation easier is large, degree of danger is high; Especially, under ice and snow weather, the earth wire of power transmission line ice-melt operation higher for tower height just seems more difficult and dangerous.
Summary of the invention
The object of this invention is to provide a kind of ground wire deicing automatic connection device, solving work transmission line steel tower ground wire deicing can not the problem of automatic connection, and also solve patching operations difficulty, degree of danger is high, by the problem of adverse weather conditions simultaneously.
To achieve these goals, the invention provides a kind of ground wire deicing automatic connection device, the electric current of armature (iron) tower transmission pressure is used for steel tower ground wire deicing, comprise electrical control gear, transmission mechanism, folding conductor, jumper string electricity getting device and electricity getting device, electricity getting device is communicated with fixing transmission pressure, electricity getting device hangs on steel tower by jumper string electricity getting device, transmission mechanism to be fixed on steel tower and to keep adapted distance with jumper string electricity getting device, transmission mechanism insulation connects folding conductor link, connecting line is provided with between folding conductor and steel tower ground wire, electrical control gear rotates folding conductor with electricity getting device engaging or separation by controlling transmission mechanism.
Wherein, folding conductor comprises block ring, conducting rod, connecting plate and contact, and contact and connecting plate are connected to the two ends of conducting rod, and block ring is connected on conducting rod, and connecting plate is also fixed with the connecting line connecting ground wire.
Contact comprises T-shaped copper pipe and copper pigtail, conducting rod and contact link are welded with vertical tube connector, T-shaped copper pipe vertical section diameter is less than the diameter of vertical tube connector, one end of copper pigtail penetrates vertical tube connector and welds with conducting rod, the vertical section lower end of the other end and T-shaped copper pipe is welded and is made the lower end of T-shaped copper pipe insert vertical tube connector, be exposed at outside the horizontal two ends of T-shaped copper pipe outside vertical tube connector, on the vertical section of T-shaped copper pipe and vertical tube connector, corresponding position is provided with the through hole run through, and runs through being provided with connecting bolt in through hole.
Electricity getting device comprises electricity getting device wire clamp, weight stack and contact finger structure, jumper string electricity getting device suspends electricity getting device wire clamp in midair and the wire clamp grips UNICOM transmission pressure be provided with by electricity getting device wire clamp by suspention plate, on the abduction side that contact finger structure is arranged on electricity getting device wire clamp and make contact finger structure on folding direction adaptive folding conductor contact jaw with contact finger structure engaging or be separated, the weight stack be arranged on electricity getting device wire clamp keeps the balance of contact finger structure on electricity getting device wire clamp, contact finger structure comprises fingertip, spring and guide plate, fingertip is symmetricly set on the both sides of abduction side, spring correspondence is arranged on the both sides of fingertip, the opening and closing place of often pair of fingertip is set to outer splayed configuration, the adaptive folding conductor engaging of opening size, guide plate is pair of openings place and the fingertip plate that splayed configuration is consistent outward as the extended of fingertip, the fingertip that guide plate guides folding conductor contact jaw to enter spring clamp carries out engaging drainage.
Contact finger structure outer setting has the protective cover be fixed on electricity getting device wire clamp, and protective cover is provided with adaptive folding conductor contact jaw and enters the V-type door hung with the link of contact finger structure engaging.
Transmission mechanism comprises motor, insulated transmission axle and decelerator, electrical control gear controls motor forward or reverse, motor drives decelerator to rotate by insulated transmission axle, and decelerator connects folding conductor link and drives folding conductor to become covering of the fan to move, and motor is provided with hand crank.
Transmission mechanism also comprises double-deck connection column plate, double-deck connection column plate comprises supporting bracket, connection tower fixed head and some composite post insulators, supporting bracket is fixedly connected with by some composite post insulators are parallel with Lian Ta fixed head, connection tower fixed head and steel tower are connected and fixed, motor and Lian Ta fixed head are connected and fixed, some composite post insulators and insulated transmission axle are set in parallel between supporting bracket and Lian Ta fixed head, two stage reducer and supporting bracket are connected and fixed, first stage decelerator is disposed with below motor, torque limiter and universal joint, motor is successively by being fastened on the first stage decelerator on connection tower fixed head, torque limiter and universal joint drive insulated transmission axle to rotate, this insulated transmission axle is connected with two stage reducer by shaft coupling, transmission mechanism also comprises motor control switch, motor control switch is arranged on the side of the position-arresting disk of torque limiter, motor control switch signal is sent control motor and is obtained electric and dead electricity.
Electrical control gear comprises storage battery, be arranged on the control circuit in portable control case, control switch, operator scheme lock and the power output end that is arranged on outside portable control case and signal input output end, storage battery is connected to portable control case by power output end, signal input output end is exported by the power supply of storage battery and controls motor and electric pushrod action, signal input output end Received signal strength by control circuit control motor and electric pushrod electric and dead electricity, steel tower is also provided with locking wire cabinet, the power connection of motor and electric pushrod and the Signal connector of whole limit switch are placed on locking wire cabinet, the signal input output end of electrical control gear respectively with Signal connector and power connection socket connection, one deck protecting heat insulating layer is set outside storage battery, a circle luminescent lighting lamp is provided with inside the upper cover of described portable control case, lighting switch is provided with in portable control case, battery capacity indication screen and protection switch is also provided with in portable control case, battery capacity indication screen is for showing dump energy, neonychium is provided with inside portable control box cover.
As a further improvement on the present invention; also comprise protective device; protective device to be arranged on steel tower by adjustable mounting structure and to be positioned in plane that folding conductor and jumper string electricity getting device form; the folding conductor contact jaw that transmission mechanism control is separated with electricity getting device is locked in protective device, and the installation site of protective device is adjustable.The adjustable mounting structure of design, can carry out Reasonable adjustment for tower condition to product installation site when product is installed.
Protective device comprises electric pushrod and folding conductor end protective cover, folding conductor end protective cover is fixed on steel tower, following side has the turnover of notch adaptive folding conductor contact jaw, protective cover door is offered above the notch of side, electric pushrod to be installed in the protective cover of folding conductor end by fixed support and perpendicular to the covering of the fan running orbit of folding conductor, the block ring locking folding conductor that the latch controlling electric pushrod by electrical control gear when folding conductor is in released state inserts or extraction folding conductor is arranged, the range place that electric pushrod arrives is provided with the first travel switch, minimum stroke place is provided with the second travel switch, the switching signal of the first travel switch and the second travel switch controls the reciprocating motion of electric pushrod respectively, also comprise dwang and signaling switch, dwang and signaling switch are successively set on the top of folding conductor, folding conductor touches dwang when turning to released state, dwang touches signaling switch again, the switching signal of signaling switch controls the block ring that electric pushrod inserts folding conductor, also be provided with earthing device, earthing device one end is fixed on dwang, the other end is fixed on fixed support.
The present invention utilizes interflow wire clamp to be collaborated by the electric current on transmission pressure, and is drained to ground wire, utilizes the thermal effect of electric current to make to cover a kind of technology of the ice dissolution on ground wire.Ground wire deicing automatic connection device of the present invention have stable and reliable for performance, automaticity is high, the advantage such as easy and simple to handle, workmen directly operates electrical control gear at the bottom of tower, easily can realize the connection between transmission pressure, ground wire, reduce the danger of the upper tower operation of workmen.Package unit can realize the connection between transmission pressure and ground wire at short notice, greatly shortens the line outage time of ice-melt.Even if electrical control gear breaks down, also can be carried out the folding and unfolding of folding conductor by the hand crank of motor, greatly improve the reliability of equipment.The electric accident that when electric pushrod of protective device can effectively prevent folding conductor from fractureing, be out of shape and come off simultaneously, fault causes; guarantee that equipment safety is reliable; protective cover and folding conductor end protective cover effectively prevent the impact of sleet bad weather on equipment work simultaneously; rotating insulated power transmission shaft efficiently solve motor and folding conductor charged time they between the problem that insulate, guarantee device security.
The invention has the beneficial effects as follows:
1, the electric current on bundle conductor can be collaborated, and cause ground wire, melted the icing on ground wire by the thermal effect of electric current.
2, the mechanical transmission mechanism performance safety of automatic connection device is reliable, automaticity is high.Staff only need at the bottom of tower the electrical control gear of operating means, ice-melt wiring can be completed easily, avoid the upper tower operation of staff, eliminate the security risk of tower on operating personnel night, and significantly reduce labour intensity, improve operating efficiency.
3, automatic connection device is easy for installation, simple to operation, machinery and electrical response rapid.Can realize the connection of ground wire and wire at short notice fast, electrical connection is stable, through-flow dependable performance, and the preparation substantially reduced needed for ground wire deicing and apparatus operating time.
4, the outdoor safeguard procedures of automatic connection device are perfect, can normally work under outdoor cold and wind and snow condition in the winter time; Device has and unlocks manually, close a floodgate and open a sluice gate function, can guarantee that ground wire deicing program completes.
5, the self-protection function of automatic connection device is strong.Two stage reducer can ensure folding conductor put in place after auto lock, be combined with the electric pushrod in locking device, play double protection.The installation of torque limiter and limit switch can realize folding conductor put in place after overload protection.
6, ground wire deicing automatic connection apparatus design hommization, electrical control gear and DC power supply volume little, lightweight, be convenient to carrying of staff.
7, ground wire deicing automatic connection device highly versatile, is applicable to the ground wire deicing in various electric pressure work transmission line.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention folding conductor released state locking mechanism schematic diagram;
Fig. 2 is embodiment of the present invention folding conductor fastening state structural representation;
Fig. 3 is the structural representation of embodiment of the present invention transmission mechanism;
Fig. 4 is the partial enlarged drawing of Fig. 3;
Fig. 5 is the structural representation of embodiment of the present invention electricity getting device;
Fig. 6 is the structural representation of embodiment of the present invention protective device;
Fig. 7 is the structural representation that the embodiment of the present invention removes protective cover;
Fig. 8 is the right view of Fig. 7;
Fig. 9 is the structural representation of embodiment of the present invention folding conductor;
Figure 10 is that the A-A of Fig. 9 is to cutaway view;
Figure 11 is the structural representation of embodiment of the present invention electrical control gear;
Wherein: 1-block ring, 2-conducting rod, 3-connecting plate, 4-contact, 5-T type copper pipe, 6-copper pigtail, the vertical tube connector of 7-, 8-connecting bolt, 9-connecting line, 10-through hole, 11-electricity getting device wire clamp, 12-contact finger structure, 13-abduction side, 14-fingertip, 15-spring, 16-weight stack, 17-wire clamp chuck, 18-guide plate, 19-protective cover, 20-V type door, 21-suspends plate in midair, 22-motor, 23-insulated transmission axle, 24-first stage decelerator, 25-two stage reducer, 26-supporting bracket, 27-joins tower fixed head, 28-torque limiter, 29-universal joint, 30-motor control switch, 31-hand crank, 32-composite post insulator, 33-storage battery, 34-operator scheme is locked, 35-control switch, 36-power output end, 37-signal input output end, 38-locking wire cabinet, 39-power connection, 40-Signal connector, 41-luminescent lighting lamp, 42-lighting switch, 43-battery capacity indication shields, 44-protection switch, 45-neonychium, 46-control cabinet, 47-electric pushrod, 48-first travel switch, 49-second travel switch, 50-dwang, 51-signaling switch, 52-protective cover, 53-notch, 54-protective cover door, 55-protecting heat insulating layer, 56-fixed support, 57-earthing device.
Embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing.
Embodiment as shown in Figure 1, the present embodiment provides a kind of ground wire deicing automatic connection device, the electric current of armature (iron) tower transmission pressure is used for steel tower ground wire deicing, comprise electrical control gear, transmission mechanism, folding conductor, jumper string electricity getting device, protective device and electricity getting device, the effect of jumper string electricity getting device is suspention electricity getting device, folding conductor can normally be contacted with electricity getting device, ensure the electric insulation between transmission pressure and steel tower simultaneously, jumper string electricity getting device being provided with distance adjustment plate facilitates length to regulate, electricity getting device is communicated with fixing transmission pressure, electricity getting device hangs on steel tower by jumper string electricity getting device, transmission mechanism to be fixed on steel tower and to keep adapted distance with jumper string electricity getting device, transmission mechanism insulation connects folding conductor link, connecting line 9 is provided with between folding conductor and steel tower ground wire, electrical control gear rotates folding conductor with electricity getting device engaging or separation by controlling transmission mechanism.
Wherein, folding conductor comprises block ring 1, conducting rod 2, connecting plate 3 and contact 4, and contact 4 and connecting plate 3 are connected to the two ends of conducting rod 2, and block ring 1 is connected on conducting rod 2, and connecting plate 3 is also fixed with the connecting line 9 connecting ground wire.
Contact 4 comprises T-shaped copper pipe 5 and copper pigtail 6, conducting rod 2 and contact 4 link are welded with vertical tube connector 7, T-shaped copper pipe 5 vertical sections of diameters are less than the diameter of vertical tube connector 7, one end of copper pigtail 6 penetrates vertical tube connector 7 and welds with conducting rod 2, the vertical section lower end of the other end and T-shaped copper pipe 5 is welded and is made the lower end of T-shaped copper pipe 5 insert vertical tube connector 7, be exposed at outside the horizontal two ends of T-shaped copper pipe 5 outside vertical tube connector 7, on the vertical section of T-shaped copper pipe 5 and vertical tube connector 7, corresponding position is provided with the through hole 10 run through, run through in through hole 10 and be provided with connecting bolt 8.Wherein preferred, conducting rod is aluminium-alloy pipe, and connecting plate is aluminium alloy plate, and vertical tube connector is also aluminium-alloy pipe.
The folding conductor flexing resistance of the present embodiment is strong, engaging time frangibility, engagement direction and angle are not good, the conductor of folding is not simultaneously yielding, fracture and drop.
Electricity getting device comprises electricity getting device wire clamp 11, weight stack 16 and contact finger structure 12, jumper string electricity getting device is suspended in midair electricity getting device wire clamp 11 by suspention plate 21 and is clamped UNICOM's transmission pressure by the wire clamp chuck 17 that electricity getting device wire clamp 11 is provided with, the abduction side 13 that contact finger structure 12 is arranged on electricity getting device wire clamp 11 make contact finger structure 12 adaptive folding conductor contact jaw on folding direction engage with contact finger structure 12 or be separated, the weight stack 16 be arranged on electricity getting device wire clamp 11 keeps the balance of contact finger structure 12 on electricity getting device wire clamp 11, contact finger structure 12 comprises fingertip 14, spring 15 and guide plate 18, fingertip 14 is symmetricly set on the both sides of abduction side 13, spring 15 correspondence is arranged on the both sides of fingertip 14, the opening and closing place of often pair of fingertip 14 is set to outer splayed configuration, the adaptive folding conductor engaging of opening size, guide plate 18 is the pair of openings place plate consistent with the outer splayed configuration of fingertip 14 as fingertip 14 extended, the fingertip 14 that guide plate 18 guides folding conductor contact jaw to enter spring 15 clamping carries out engaging drainage, the corresponding fingertip of spring is arranged on the both sides of fingertip and applies elastic force to fingertip, the splayed opening that guide plate is greater than fingertip is conveniently directed away and closes the fingertip that conductor contact jaw enters spring clamp and engage.
Contact finger structure 12 outer setting has the protective cover 19 be fixed on electricity getting device wire clamp 11, and protective cover 19 is provided with adaptive folding conductor contact jaw and enters the V-type door 20 hung with the link of contact finger structure engaging.
The division number of the present embodiment electricity getting device wire clamp 11 is six divisions, or also can adopt quadripartion or other division numbers, and each division place is respectively arranged with wire clamp chuck 17, clamps transmission pressure respectively.Electric current on electricity getting device wire clamp is directed on electricity getting device by wire clamp chuck, fall on fingertip for preventing sleet and cause fingertip icing effect overcurrent and engaging, at fingertip and guide plate periphery design protective cover, prevent sleet waft into, because fingertip and guide board structure have certain deadweight, electricity getting device can be caused to be partial to fingertip and guide plate side; Therefore, devise weight stack to balance the deadweight of fingertip and guide board structure, ensure the level of fingertip and guide plate.
Transmission mechanism comprises motor 22, insulated transmission axle 23 and decelerator, electrical control gear controls motor 22 forward or reverse, motor 22 drives decelerator to rotate by insulated transmission axle 23, decelerator connects folding conductor link and drives folding conductor to become covering of the fan to move, and motor 22 is provided with hand crank 31.The direct current machine of the present embodiment is also provided with hand crank, manually can engage when electrical control gear or circuit damage or be separated folding conductor.
Transmission mechanism also comprises double-deck connection column plate, double-deck connection column plate comprises supporting bracket 26, connection tower fixed head 27 and some composite post insulators 32, supporting bracket 26 is fixedly connected with by some composite post insulators 32 are parallel with Lian Ta fixed head 27, connection tower fixed head 26 and steel tower are connected and fixed, motor 22 and Lian Ta fixed head 27 are connected and fixed, some composite post insulators 32 and insulated transmission axle 23 are set in parallel between supporting bracket 26 and Lian Ta fixed head 27, two stage reducer 25 and supporting bracket 26 are connected and fixed, first stage decelerator 24 is disposed with below motor 22, torque limiter 28 and universal joint 29, motor 22 is successively by being fastened on the first stage decelerator 24 on connection tower fixed head 27, torque limiter 28 and universal joint 29 drive insulated transmission axle 23 to rotate, this insulated transmission axle 23 is connected with two stage reducer 25 by shaft coupling, transmission mechanism also comprises motor control switch 30, motor control switch 30 is arranged on the side of the position-arresting disk of torque limiter 28, motor control switch 30 signal is sent control motor 22 and is obtained electric and dead electricity.
In the event of a power failure, two stage reducer can make folding conductor keep location, composite post insulator is installed in the intermediate layer of the bilayer connection tower iron plate of tape insulation isolation, double-deck connection tower iron plate realizes transmission mechanism and jumper string electricity getting device and steel tower and fixes, and double-deck connection tower iron plate realizes electrical isolation and the firmness of folding conductor and direct current machine jointly by the insulated transmission axle in structure and composite post insulator.Select the composite post insulator insulating supporting met design requirement, select insulated transmission axle as the rotating element in transmission mechanism, meet insulation and torsional strength, and transmission requirement can be met; Due to folding conductor beat to electricity getting device time, the electricity getting device that jumper string electricity getting device can be made to hang outwards departs from, and causes potential safety hazard, adopt " torsional moment " control folding conductor put in place after motor outage problem, avoid departing from; Be designed with two stage reducer in transmission mechanism, itself has auto-lock function, can ensure folding conductor put in place after location; Adopt first stage decelerator, universal joint and flange-face coupling to realize folding conductor and run linear peace surely.
Electrical control gear comprises storage battery 33, be arranged on the control circuit in portable control case 46, control switch 35, operator scheme lock 34 and the power output end 36 be arranged on outside portable control case 46 and signal input output end 37, storage battery 33 is connected to portable control case 46 by power output end 36, signal input output end 37 is exported by the power supply of storage battery 33 and controls motor 22 and electric pushrod 47 action, signal input output end 37 Received signal strength by control circuit control motor 22 and electric pushrod 47 electric and dead electricity, steel tower is also provided with locking wire cabinet 38, the power connection 39 of motor 22 and electric pushrod 47 and the Signal connector 40 of whole limit switch are placed on locking wire cabinet 38, the signal input output end 37 of electrical control gear respectively with Signal connector 40 and power connection 39 socket connection, one deck protecting heat insulating layer 55 is set outside storage battery 33, a circle luminescent lighting lamp 41 is provided with inside the upper cover of described portable control case 46, lighting switch 42 is provided with in portable control case 46, battery capacity indication screen 43 and protection switch 44 is also provided with in portable control case 46, battery capacity indication screen 43 is for showing dump energy, neonychium 45 is provided with inside portable control case 46 upper cover.Protecting heat insulating layer can protect the steady operation of storage battery in cold district, ensure the normal operation of electrical control gear.
Protective device to be arranged on steel tower by adjustable mounting structure and to be positioned in plane that folding conductor and jumper string electricity getting device form; the folding conductor contact jaw that transmission mechanism control is separated with electricity getting device is locked in protective device, and the installation site of protective device is adjustable.Protective device comprises electric pushrod 47 and folding conductor end protective cover 52, folding conductor end protective cover 52 is fixed on steel tower, following side has the turnover of notch 53 adaptive folding conductor contact jaw, protective cover door 54 is offered above side notch 53, electric pushrod 47 to be installed in folding conductor end protective cover 52 by fixed support 56 and perpendicular to the covering of the fan running orbit of folding conductor, insert or extract out by the latch of electrical control gear control electric pushrod 47 block ring 1 that folding conductor is arranged when folding conductor is in released state and lock folding conductor, the range place that electric pushrod 47 arrives is provided with the first travel switch 48, minimum stroke place is provided with the second travel switch 49, the switching signal of the first travel switch 48 and the second travel switch 49 controls the reciprocating motion of electric pushrod 47 respectively, also comprise dwang 50 and signaling switch 51, dwang 50 and signaling switch 51 are successively set on the top of folding conductor, folding conductor touches dwang 50 when turning to released state, dwang 50 touches signaling switch 54 again, the switching signal of signaling switch 54 controls the block ring 1 that electric pushrod 47 inserts folding conductor, also be provided with earthing device 57, earthing device 57 one end is fixed on dwang 50, the other end is fixed on fixed support 56.Add earthing device, make folding conductor be equivalent to be connected to steel tower ground connection by protective cover after touching the dwang on this device, the induced voltage on folding conductor can be discharged in time, ensure the normal use of safety and equipment, increase the service life.
Protective device ensures that folding conductor does not fall when there is fracture or gross distortion and causes serious electric accident, simultaneously under sleety weather, the moving contact of protection folding conductor does not freeze, thus effectively contact in electricity getting device, and whole protective cover ensure that the air gap under induced voltage, the setting party of protective cover door use and maintenance, and folding conductor is equivalent to by steel tower ground connection after touching the dwang on this device, the induced voltage on folding conductor can be discharged in time, ensure the normal use of safety and equipment, increase the service life.The adjustable mounting structure of protective device design, can carry out Reasonable adjustment for tower condition to product installation site when product is installed.
The present embodiment protective device to be fixed on steel tower and to be positioned on same plane that folding conductor and jumper string electricity getting device form, and the other end folding conductor contact jaw of the folding conductor that transmission mechanism control is separated with electricity getting device is locked in protective device.Protective device comprises electric pushrod, rotate angle steel, proximity switch and folding conductor end protective cover, folding conductor end protective cover is the box-like housing in four sides that iron plate is arranged to and is fixed on steel tower, the sidepiece of box-like housing has the turnover of notch adaptive folding conductor contact jaw, electric pushrod to be installed in the protective cover of folding conductor end and perpendicular to the operation covering of the fan of folding conductor, insert or extract out by the latch of electrical control gear control electric pushrod the block ring that folding conductor is arranged tangle locking or unclamp folding conductor, guarantee that folding conductor is firm, when the latch of folding conductor inserts block ring, block ring promotes the rotation angle steel being arranged on top, rotate angle steel and have shake-up proximity switch, proximity switch is sent switching signal and is controlled motor dead electricity, when the setting position of block ring on folding conductor will guarantee that folding conductor link or folding conductor contact jaw fracture, are out of shape or come off, folding conductor also can not drop and encounter electricity getting device and cause electric accident.
The present invention utilizes interflow wire clamp to be collaborated by the electric current on transmission pressure, and is drained to ground wire, utilizes the thermal effect of electric current to make to cover a kind of technology of the ice dissolution on ground wire.Ground wire deicing automatic connection device of the present invention have stable and reliable for performance, automaticity is high, the advantage such as easy and simple to handle, workmen directly operates electrical control gear at the bottom of tower, easily can realize the connection between transmission pressure, ground wire, reduce the danger of the upper tower operation of workmen.Package unit can realize the connection between transmission pressure and ground wire at short notice, greatly shortens the line outage time of ice-melt.Even if electrical control gear breaks down, also can be carried out the folding and unfolding of folding conductor by the hand crank of motor, greatly improve the reliability of equipment.The electric accident that when electric pushrod of protective device can effectively prevent folding conductor from fractureing, be out of shape and come off simultaneously, fault causes; guarantee that equipment safety is reliable; protective cover and folding conductor end protective cover effectively prevent the impact of sleet bad weather on equipment work simultaneously; rotating insulated power transmission shaft efficiently solve motor and folding conductor charged time they between the problem that insulate, guarantee device security.
The invention has the beneficial effects as follows:
1, the electric current on bundle conductor can be collaborated, and cause ground wire, melted the icing on ground wire by the thermal effect of electric current.
2, the mechanical transmission mechanism performance safety of automatic connection device is reliable, automaticity is high.Staff only need at the bottom of tower the electrical control gear of operating means, ice-melt wiring can be completed easily, avoid the upper tower operation of staff, eliminate the security risk of tower on operating personnel night, and significantly reduce labour intensity, improve operating efficiency.
3, automatic connection device is easy for installation, simple to operation, machinery and electrical response rapid.Can realize the connection of ground wire and wire at short notice fast, electrical connection is stable, through-flow dependable performance, and the preparation substantially reduced needed for ground wire deicing and apparatus operating time.
4, the outdoor safeguard procedures of automatic connection device are perfect, can normally work under outdoor cold and wind and snow condition in the winter time; Device has and unlocks manually, close a floodgate and open a sluice gate function, can guarantee that ground wire deicing program completes.
5, the self-protection function of automatic connection device is strong.Two stage reducer can ensure folding conductor put in place after auto lock, be combined with the electric pushrod in locking device, play double protection.The installation of torque limiter and limit switch can realize folding conductor put in place after overload protection.
6, ground wire deicing automatic connection apparatus design hommization, it is little, lightweight that electrical control gear is equipped with DC power supply volume, is convenient to carrying of staff.
7, ground wire deicing automatic connection device highly versatile, is applicable to the ground wire deicing in various electric pressure work transmission line.
Claims (10)
1. a ground wire deicing automatic connection device, the electric current of armature (iron) tower transmission pressure is used for steel tower ground wire deicing, it is characterized in that: comprise electrical control gear, transmission mechanism, folding conductor, jumper string electricity getting device and electricity getting device, electricity getting device is communicated with fixing transmission pressure, electricity getting device hangs on steel tower by jumper string electricity getting device, transmission mechanism to be fixed on steel tower and to keep adapted distance with jumper string electricity getting device, transmission mechanism insulation connects folding conductor link, connecting line (9) is provided with between folding conductor and steel tower ground wire, electrical control gear rotates folding conductor with electricity getting device engaging or separation by controlling transmission mechanism.
2. a kind of ground wire deicing automatic connection device according to claim 1, it is characterized in that: folding conductor comprises block ring (1), conducting rod (2), connecting plate (3) and contact (4), contact (4) and connecting plate (3) are connected to the two ends of conducting rod (2), block ring (1) is connected on conducting rod (2), and connecting plate (3) is also fixed with the connecting line (9) connecting ground wire.
3. a kind of ground wire deicing automatic connection device according to claim 2, it is characterized in that: contact (4) comprises T-shaped copper pipe (5) and copper pigtail (6), conducting rod (2) and contact (4) link are welded with vertical tube connector (7), T-shaped copper pipe (5) vertically section diameter is less than the diameter of vertical tube connector (7), one end of copper pigtail (6) penetrates vertical tube connector (7) and welds with conducting rod (2), the vertical section lower end of the other end and T-shaped copper pipe (5) is welded and is made the lower end of T-shaped copper pipe (5) insert vertical tube connector (7), vertical tube connector (7) is exposed at outward outside the horizontal two ends of T-shaped copper pipe (5), the vertical section of T-shaped copper pipe (5) and the upper corresponding position of vertical tube connector (7) are provided with the through hole (10) run through, run through in through hole (10) and be provided with connecting bolt (8).
4. a kind of ground wire deicing automatic connection device according to claim 1, it is characterized in that: electricity getting device comprises electricity getting device wire clamp (11), weight stack (16) and contact finger structure (12), jumper string electricity getting device suspends electricity getting device wire clamp (11) in midair by suspention plate (21) and wire clamp chuck (17) the clamping UNICOM transmission pressure be provided with by electricity getting device wire clamp (11), the abduction side (13) that contact finger structure (12) is arranged on electricity getting device wire clamp (11) is gone up and makes contact finger structure (12) adaptive folding conductor contact jaw on folding direction engage with contact finger structure or be separated, the weight stack (16) be arranged on electricity getting device wire clamp (11) keeps contact finger structure (12) balance on electricity getting device wire clamp (11), contact finger structure (12) comprises fingertip (14), spring (15) and guide plate (18), fingertip (14) is symmetricly set on the both sides of abduction side (13), spring (15) correspondence is arranged on the both sides of fingertip (14), the opening and closing place of often pair of fingertip (14) is set to outer splayed configuration, the adaptive folding conductor engaging of opening size, guide plate (18) is the pair of openings place plate consistent with fingertip (14) outer splayed configuration as fingertip (14) extended, guide plate (18) guides folding conductor contact jaw to enter, and fingertip (14) that spring (15) clamps carries out engaging drainage.
5. a kind of ground wire deicing automatic connection device according to claim 4, it is characterized in that: contact finger structure (12) outer setting has the protective cover (19) be fixed on electricity getting device wire clamp (11), protective cover (19) is provided with the V-type door (20) that adaptive folding conductor contact jaw enters the link suspension engaged with contact finger structure (12).
6. a kind of ground wire deicing automatic connection device according to claim 1, it is characterized in that: transmission mechanism comprises motor (22), insulated transmission axle (23) and decelerator, electrical control gear controls motor (22) forward or reverse, motor (22) drives decelerator to rotate by insulated transmission axle (23), decelerator connects folding conductor link and drives folding conductor to become covering of the fan to move, and motor is provided with hand crank (31).
7. a kind of ground wire deicing automatic connection device according to claim 6, it is characterized in that: also comprise double-deck connection column plate, double-deck connection column plate comprises supporting bracket (26), connection tower fixed head (27) and some composite post insulators (32, supporting bracket (26) is fixedly connected with by some composite post insulators (32) are parallel with connection tower fixed head (27), connection tower fixed head (27) and steel tower are connected and fixed, motor (22) and connection tower fixed head (27) are connected and fixed, some composite post insulators (32) and insulated transmission axle (23) are set in parallel between supporting bracket (26) and connection tower fixed head (27), two stage reducer (25) and supporting bracket (26) are connected and fixed, motor (22) below is disposed with first stage decelerator (24), torque limiter (28) and universal joint (29), motor (22) is successively by being fastened on the first stage decelerator (24) on connection tower fixed head (27), torque limiter (28) and universal joint (29) drive insulated transmission axle (23) to rotate, this insulated transmission axle (23) is connected with two stage reducer (25) by shaft coupling, transmission mechanism also comprises motor control switch (30), motor control switch (30) is arranged on the side of the position-arresting disk of torque limiter (28), motor control switch (30) signal is sent control motor (22) and is obtained electric and dead electricity.
8. according to a kind of ground wire deicing automatic connection device in claim 1 to 7 described in any one claim; it is characterized in that: also comprise protective device; protective device to be arranged on steel tower by adjustable mounting structure and to be positioned in plane that folding conductor and jumper string electricity getting device form; the folding conductor contact jaw that transmission mechanism control is separated with electricity getting device is locked in protective device, and the installation site of protective device is adjustable.
9. a kind of ground wire deicing automatic connection device according to claim 8, it is characterized in that: protective device comprises electric pushrod (47) and folding conductor end protective cover (52), folding conductor end protective cover (52) is fixed on steel tower, following side has the turnover of notch (53) adaptive folding conductor contact jaw, protective cover door (54) is offered in the top of side notch (53), electric pushrod (47) to be installed in folding conductor end protective cover (52) by fixed support (56) and perpendicular to the covering of the fan running orbit of folding conductor, the latch being controlled electric pushrod (47) when folding conductor is in released state by electrical control gear inserts or extracts out block ring (1) the locking folding conductor that folding conductor is arranged, the range place that electric pushrod (47) arrives is provided with the first travel switch (48), minimum stroke place is provided with the second travel switch (49), the switching signal of the first travel switch (48) and the second travel switch (49) controls the reciprocating motion of electric pushrod (47) respectively, also comprise dwang (50) and signaling switch (51), dwang (50) and signaling switch (51) are successively set on the top of folding conductor, folding conductor touches dwang (50) when turning to released state, dwang (50) touches signaling switch (51) again, the switching signal of signaling switch (51) controls the block ring (1) that electric pushrod (47) inserts folding conductor, also be provided with earthing device (57), earthing device (57) one end is fixed on dwang (50), the other end is fixed on fixed support (56).
10. a kind of ground wire deicing automatic connection device according to claim 9, it is characterized in that: electrical control gear comprises storage battery (33), be arranged on the control circuit in portable control case (46), control switch (35), operator scheme lock (34) and the power output end (36) be arranged on outside portable control case and signal input output end (37), storage battery (33) is connected to portable control case (46) by power output end (36), signal input output end (37) is exported by the power supply of storage battery (33) and controls motor (22) and electric pushrod (47) action, signal input output end (37) Received signal strength by control circuit control motor (22) and electric pushrod (47) electric and dead electricity, steel tower is also provided with locking wire cabinet (38), the power connection (39) of motor (22) and electric pushrod (47) and the Signal connector (40) of whole limit switch are placed on locking wire cabinet (38), the signal input output end (37) of electrical control gear respectively with Signal connector (40) and power connection (39) socket connection, in storage battery (33) outside, one deck protecting heat insulating layer (55) is set, a circle luminescent lighting lamp (41) is provided with inside the upper cover of described portable control case (46), lighting switch (42) is provided with in portable control case (46), battery capacity indication screen (43) and protection switch (44) is also provided with in portable control case (46), battery capacity indication screen (43) is for showing dump energy, neonychium (45) is provided with inside portable control case (46) upper cover.
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| CN201410265566.7A CN105322493B (en) | 2014-06-16 | 2014-06-16 | A kind of ground wire deicing automatic connection device |
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| CN201410265566.7A CN105322493B (en) | 2014-06-16 | 2014-06-16 | A kind of ground wire deicing automatic connection device |
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| CN111017230A (en) * | 2019-11-28 | 2020-04-17 | 成都智巡科技有限责任公司 | Novel unmanned aerial vehicle intelligent battery assembly structure |
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| CN112103889B (en) * | 2020-09-17 | 2022-02-25 | 中国能源建设集团南京线路器材有限公司 | Insulation protection equipment for automatic wiring device for ground wire ice melting |
| CN112134243A (en) * | 2020-09-29 | 2020-12-25 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Grounding protection lock |
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Address after: 510620 Tianhe Road 116, Guangdong, Guangzhou Patentee after: CSG EHV POWER TRANSMISSION Co. Patentee after: CENTRAL SOUTHERN CHINA ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: NANJING ELECTRIC POWER FITTINGS DESIGN INSTITUTE Co.,Ltd. Address before: 510620 Tianhe Road 116, Guangdong, Guangzhou Patentee before: CSG EHV POWER TRANSMISSION Co. Patentee before: CENTRAL SOUTHERN CHINA ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: NANJING ELECTRIC POWER FITTINGS DESIGN INSTITUTE Co.,Ltd. |