CN203895925U - Automatic wiring apparatus for ground wire deicing - Google Patents
Automatic wiring apparatus for ground wire deicing Download PDFInfo
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- CN203895925U CN203895925U CN201420318114.6U CN201420318114U CN203895925U CN 203895925 U CN203895925 U CN 203895925U CN 201420318114 U CN201420318114 U CN 201420318114U CN 203895925 U CN203895925 U CN 203895925U
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- folding conductor
- ground wire
- electricity getting
- folding
- getting device
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Abstract
The utility model discloses an automatic wiring apparatus for ground wire deicing; and the current of a power transmission lead of an iron tower is used for deicing of the ground wire of the iron tower. The automatic wiring apparatus consists of an electrical control device, a transmission mechanism, an opening and closing conducting device, a jumper wire string power-taking device and a power-taking device. The power-taking device is connected with and fixes a power transmission lead and is suspended at the iron tower by a jumper wire string power-taking device; the transmission mechanism is fixed at the iron tower and a proper distance between the transmission mechanism and the jumper wire string power-taking device is maintained. The transmission mechanism is connected with a connecting terminal of the opening and closing conducting device; and a connecting wire is arranged between the opening and closing conducting device and the iron tower ground wire. The electrical control device controls the transmission mechanism to enable the opening and closing conducting device to make rotation, thereby realizing clamping or separation with the power-taking device. With the automatic wiring apparatus, currents at the divided conductor can be combined and led to the ground wire; and the ice on the ground wire can be melted based on the current heat effect.
Description
Technical field
The utility model relates to overhead transmission line engineering field, especially relates to a kind of ground wire deicing automatic connection device of overhead transmission line engineering.
Background technology
Transmission line under extreme weather conditions is the transmission line of some high and cold mountain area of China especially, and one to winter, often icing was serious.The longitudinal unbalance tension force that inhomogeneous icing on transmission pressure, ground wire produces, can cause steel tower toward large side run-off the straight or the bending of tension force, when exceeding design when ability to bear, fracture, the gold utensil that transmission pressure, ground wire will occur comes off etc., and serious meeting causes collapse of iron tower.In addition, it is freezing that the heat energy that can produce by load current unlike transmission pressure due to overhead ground wire on steel tower is resisted part, 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 there is unit to develop the device of ground wire deicing, but its ground wire deicing device of developing need twine enamelled wire drainage by steel tower on ice-melt forefathers on ground wire, in succession develop multi-form ground wire deicing device although domestic in recent years, need the upper tower of workmen but still exist in actual applications, the shortcomings such as manual operation ice-melt insulating bar is connected with the interflow wire clamp of transmission pressure cable with ground wire, 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.
Utility model content
The purpose of this utility model is to provide a kind of ground wire deicing automatic connection device, solves the problem that work transmission line steel tower ground wire deicing can not automatic connection, also solves wiring operating difficulties simultaneously, and degree of danger is high, the problem that affected by bad weather.
To achieve these goals, the utility model provides a kind of ground wire deicing automatic connection device, the electric current of armature (iron) tower transmission pressure is 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 is fixed on steel tower and with jumper string electricity getting device and keeps adapted distance, transmission mechanism insulation connects folding conductor link, between folding conductor and steel tower ground wire, be provided with connecting line, electrical control gear rotates folding conductor with electricity getting device engaging or separates 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, is also fixed with the connecting line that connects ground wire on connecting plate.
Contact comprises T-shaped copper pipe and copper pigtail, conducting rod and contact link are welded with vertical tube connector, the vertical section of T-shaped copper pipe diameter is less than the diameter of vertical tube connector, one end of copper pigtail penetrates vertical tube connector and conducting rod welding, vertical section of lower end of the other end and T-shaped copper pipe welded and made the lower end of T-shaped copper pipe insert vertical tube connector, outside the horizontal two ends of T-shaped copper pipe, be exposed at outside vertical tube connector, vertical section of T-shaped copper pipe and vertically on tube connector corresponding position be provided with the through hole running through, in through hole, run through and be provided with connecting bolt.
Electricity getting device comprises electricity getting device wire clamp, weight stack and contact finger structure, the wire clamp chuck clamping UNICOM transmission pressure that jumper string electricity getting device suspends electricity getting device wire clamp in midair by suspention plate and is provided with by electricity getting device wire clamp, contact finger structure be arranged on the abduction side of electricity getting device wire clamp and make contact finger structure in folding direction adaptive folding conductor contact jaw with contact finger structure engaging or separate, the weight stack being 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 every pair of fingertip is set to outer splayed configuration, the adaptive folding conductor engaging of opening size, guide plate is set to the pair of openings place plate consistent with the outer splayed configuration of fingertip as the extension of fingertip, the fingertip that guide plate guiding folding conductor contact jaw enters spring clamp engages drainage.
Contact finger structure outer setting has the protective cover being fixed on electricity getting device wire clamp, and protective cover is provided with adaptive folding conductor contact jaw and enters the V-type door hanging with the link of contact finger structure engaging.
Transmission mechanism comprises motor, insulated transmission axle and decelerator, electrical control gear control 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 motion, 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, motor below is disposed with first stage decelerator, 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, power output end and the signal input output end in portable control case outside locked and be arranged on to operator scheme, storage battery is connected to portable control case by power output end, signal input output end is controlled motor and electric pushrod action by the power supply output of storage battery, signal input output end receives signal by the electric and dead electricity that obtains of control circuit control motor and electric pushrod, on steel tower, be also provided with locking wire cabinet, the power connection of motor and electric pushrod and all Signal connector of 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, in storage battery outside, one deck protecting heat insulating layer is set, upper cover inner side at described portable control case is provided with a circle luminescent lighting lamp, in portable control case, be provided with lighting switch, in portable control case, be also provided with battery capacity indication screen and protection switch, battery capacity indication screen is used for showing dump energy, be provided with neonychium in portable control box cover inner side.
As further improvement of the utility model; also comprise protective device; protective device be arranged on steel tower by adjustable mounting structure and be positioned at folding conductor and plane that jumper string electricity getting device forms on; the folding conductor contact jaw that transmission mechanism control separates 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 rationally be adjusted product installation site for tower condition in the time that 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 the adaptive folding conductor of notch contact jaw, above the notch of side, offer protective cover door, electric pushrod is 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, insert or extract out by the latch of electrical control gear control electric pushrod the block ring locking folding conductor arranging on folding conductor at folding conductor during in released state, 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 is controlled respectively the reciprocating motion of electric pushrod, also comprise dwang and signaling switch, dwang and signaling switch are successively set on the top of folding conductor, folding conductor touches dwang while turning to released state, dwang touches signaling switch again, the switching signal control electric pushrod of signaling switch inserts the block ring of 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 utility model is to utilize interflow wire clamp that the electric current on transmission pressure is collaborated, 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.That the utility model ground wire deicing automatic connection device has is stable and reliable for performance, automaticity is high, the advantage such as easy and simple to handle, workmen is operation electrical control gear at the bottom of tower directly, can easily realize the connection between transmission pressure, ground wire, reduce the danger of the upper tower operation of workmen.Package unit can be realized 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 carry out by the hand crank of motor the folding and unfolding of folding conductor, greatly improve the reliability of equipment.The electric accident that when simultaneously the electric pushrod of protective device can effectively prevent that folding conductor from fractureing, being out of shape and coming off, fault causes; guarantee that equipment safety is reliable; protective cover and folding conductor end protective cover have effectively prevented the impact of sleet bad weather on equipment work simultaneously; rotating insulated power transmission shaft efficiently solves the problem that motor and folding conductor insulate between them when charged, guarantees device security.
The beneficial effects of the utility model are:
1, the electric current on bundle conductor can be collaborated, and cause ground wire, melt 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 be at the bottom of tower the electrical control gear of operating means, can complete easily ice-melt wiring, avoid the upper tower operation of staff, eliminated the security risk of tower on operating personnel night, and greatly alleviated labour intensity, improved operating efficiency.
3, automatic connection device is easy for installation, simple to operation, and machinery and electrical response are rapid.Can realize fast at short notice the connection of ground wire and wire, electrical connection is stable, through-flow dependable performance, and greatly shortened required preparation and the apparatus operating time of ground wire deicing.
4, the outdoor safeguard procedures of automatic connection device are perfect, normally work in the winter time under outdoor cold and wind and snow condition; Device has release manually, closes a floodgate and opens 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 the overload protection after folding conductor puts in place.
6, ground wire deicing automatic connection device humanization designing, electrical control gear and DC power supply volume are little, lightweight, are convenient to carrying of staff.
7, ground wire deicing automatic connection device highly versatile, applicable to the ground wire deicing in various electric pressure work transmission lines.
Brief description of the drawings
Fig. 1 is the utility model embodiment folding conductor released state locking mechanism schematic diagram;
Fig. 2 is the utility model embodiment folding conductor fastening state structural representation;
Fig. 3 is the structural representation of the utility model embodiment transmission mechanism;
Fig. 4 is the partial enlarged drawing of Fig. 3;
Fig. 5 is the structural representation of the utility model embodiment electricity getting device;
Fig. 6 is the structural representation of the utility model embodiment protective device;
Fig. 7 is the structural representation that the utility model embodiment removes protective cover;
Fig. 8 is the right view of Fig. 7;
Fig. 9 is the structural representation of the utility model embodiment folding conductor;
Figure 10 is that the A-A of Fig. 9 is to cutaway view;
Figure 11 is the structural representation of the utility model embodiment 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-connection 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 lock, 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 screen, 44-protection switch, 45-neonychium, 46-control cabinet, 47-electric pushrod, 48-the first travel switch, 49-the 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
Describe preferred embodiment of the present utility model 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 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, on 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 is fixed on steel tower and with jumper string electricity getting device and keeps adapted distance, transmission mechanism insulation connects folding conductor link, between folding conductor and steel tower ground wire, be provided with connecting line 9, electrical control gear rotates folding conductor with electricity getting device engaging or separates 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, is also fixed with the connecting line 9 that connects ground wire on connecting plate 3.
Contact 4 comprises T-shaped copper pipe 5 and copper pigtail 6, conducting rod 2 is welded with vertical tube connector 7 with contact 4 links, 5 vertical sections of diameters of T-shaped copper pipe 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, vertical section of lower end of the other end and T-shaped copper pipe 5 welded and made the lower end of T-shaped copper pipe 5 insert vertical tube connector 7, outside the horizontal two ends of T-shaped copper pipe 5, be exposed at outside vertical tube connector 7, vertical section of T-shaped copper pipe 5 and vertically on tube connector 7 corresponding position be provided with the through hole 10 running through, in through hole 10, run through and be provided with connecting bolt 8.Wherein preferred, conducting rod is aluminium-alloy pipe, and connecting plate is aluminium alloy plate, and vertically tube connector is also aluminium-alloy pipe.
The folding conductor flexing resistance of the present embodiment is strong, frangibility, engaging direction and angle are not good when engaging, and 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 suspends electricity getting device wire clamp 11 in midair by suspention plate 21 and the wire clamp chuck 17 that is provided with by electricity getting device wire clamp 11 clamps UNICOM's transmission pressure, contact finger structure 12 is arranged on the abduction side 13 of electricity getting device wire clamp 11 and makes contact finger structure 12 adaptive folding conductor contact jaw in folding direction engage or separate with contact finger structure 12, the weight stack 16 being 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 correspondences are arranged on the both sides of fingertip 14, the opening and closing place of every pair of fingertip 14 is set to outer splayed configuration, the adaptive folding conductor engaging of opening size, guide plate 18 is set to the pair of openings place plate consistent with the outer splayed configuration of fingertip 14 as the extension of fingertip 14, guide plate 18 guides folding conductor contact jaw to enter the fingertip 14 that spring 15 clamps to engage 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 have the protective cover 19 being 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 hanging 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 respectively transmission pressure.Electric current on electricity getting device wire clamp is directed on electricity getting device by wire clamp chuck, on fingertip, cause fingertip icing effect overcurrent and engaging for preventing that sleet from falling, fingertip and guide plate periphery design protective cover, prevent sleet waft into, because fingertip and guide board structure have certain deadweight, can cause electricity getting device deflection fingertip and guide plate one side; Therefore, design the deadweight of weight stack with balance fingertip and guide board structure, ensured the level of fingertip and guide plate.
Transmission mechanism comprises motor 22, insulated transmission axle 23 and decelerator, electrical control gear control 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 motion, and motor 22 is provided with hand crank 31.The direct current machine of the present embodiment is also provided with hand crank, in the time of electrical control gear or circuit damage, can manually engage or separate 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 with Lian Ta fixed head 27 by parallel being fixedly connected with of some composite post insulators 32, 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, motor 22 belows are 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 signals are sent control motor 22 and are obtained electric and dead electricity.
The in the situation that of power-off, 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 is realized transmission mechanism and jumper string electricity getting device and steel tower and is fixed, and double-deck connection tower iron plate is realized 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 meeting design requirement, select insulated transmission axle as the rotating element in transmission mechanism, met insulation and torsional strength, and can meet transmission requirement; While beating to electricity getting device due to folding conductor, the electricity getting device that can make jumper string electricity getting device hang outwards departs from, and causes potential safety hazard, and the motor power-off problem after adopting " torsional moment " to control folding conductor and put in place, avoids departing from; In transmission mechanism, be designed with two stage reducer, itself has auto-lock function, can ensure the location after folding conductor puts in place; Adopt first stage decelerator, universal joint and flange-face coupling to realize the linear peace of folding conductor operation steady.
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 and the signal input output end 37 that are arranged on portable control case 46 outsides, storage battery 33 is connected to portable control case 46 by power output end 36, signal input output end 37 controls motor 22 by the power supply output of storage battery 33 and electric pushrod 47 moves, signal input output end 37 receives signal by the electric and dead electricity that obtains of control circuit control motor 22 and electric pushrod 47, on steel tower, be also provided with locking wire cabinet 38, the power connection 39 of motor 22 and electric pushrod 47 and all Signal connector 40 of 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 connections, in storage battery 33 outsides, one deck protecting heat insulating layer 55 is set, upper cover inner side at described portable control case 46 is provided with a circle luminescent lighting lamp 41, in portable control case 46, be provided with lighting switch 42, in portable control case 46, be also provided with battery capacity indication screen 43 and protection switch 44, battery capacity indication screen 43 is for showing dump energy, be provided with neonychium 45 in portable control case 46 upper cover inner sides.Protecting heat insulating layer can be protected in cold district the steady operation of storage battery, ensures the normal operation of electrical control gear.
Protective device be arranged on steel tower by adjustable mounting structure and be positioned at folding conductor and plane that jumper string electricity getting device forms on; the folding conductor contact jaw that transmission mechanism control separates 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 the adaptive folding conductor of notch 53 contact jaw, above side notch 53, offer protective cover door 54, electric pushrod 47 is 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 arranging on folding conductor at folding conductor during 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 is controlled respectively the reciprocating motion of electric pushrod 47, 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 while turning to released state, dwang 50 touches signaling switch 54 again, the switching signal control electric pushrod 47 of signaling switch 54 inserts the block ring 1 of folding conductor, also be provided with earthing device 57, earthing device 57 one end are fixed on dwang 50, the other end is fixed on fixed support 56.Increase earthing device, made folding conductor after the dwang touching on this device, be equivalent to be connected to steel tower ground connection by protective cover, can discharge in time the induced voltage on folding conductor, ensured the normal use of safety and equipment, increased the service life.
Protective device ensures that folding conductor does not fall and causes serious electric accident in the situation that there is fracture or gross distortion, simultaneously under sleety weather, the moving contact of protection folding conductor does not freeze, thereby effectively contact in electricity getting device, and whole protective cover has ensured there is 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 the dwang touching on this device, can discharge in time the induced voltage on folding conductor, ensure the normal use of safety and equipment, increase the service life.The adjustable mounting structure of protective device design can rationally be adjusted product installation site for tower condition in the time that product is installed.
The present embodiment protective device be fixed on steel tower and be positioned at folding conductor and same plane that jumper string electricity getting device forms on, the other end folding conductor contact jaw of the folding conductor that transmission mechanism control separates with electricity getting device is locked in protective device.Protective device comprises electric pushrod, rotation angle steel, approach switch and folding conductor end protective cover, folding conductor end protective cover is the box-like housing in four sides be arranged to of iron plate and is fixed on steel tower, the sidepiece of box-like housing has the turnover of the adaptive folding conductor of notch contact jaw, electric pushrod is installed in the protective cover of folding conductor end and perpendicular to the operation covering of the fan of folding conductor, inserting or extract out by the latch of electrical control gear control electric pushrod the block ring arranging on folding conductor tangles locking or unclamps folding conductor, guarantee that folding conductor is firm, when the latch of folding conductor inserts block ring, block ring promotes to be arranged on the rotation angle steel of top, rotate angle steel and have shake-up approach switch, approach switch is sent switching signal control 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 can not drop yet and encounter electricity getting device and cause electric accident.
The utility model is to utilize interflow wire clamp that the electric current on transmission pressure is collaborated, 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.That the utility model ground wire deicing automatic connection device has is stable and reliable for performance, automaticity is high, the advantage such as easy and simple to handle, workmen is operation electrical control gear at the bottom of tower directly, can easily realize the connection between transmission pressure, ground wire, reduce the danger of the upper tower operation of workmen.Package unit can be realized 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 carry out by the hand crank of motor the folding and unfolding of folding conductor, greatly improve the reliability of equipment.The electric accident that when simultaneously the electric pushrod of protective device can effectively prevent that folding conductor from fractureing, being out of shape and coming off, fault causes; guarantee that equipment safety is reliable; protective cover and folding conductor end protective cover have effectively prevented the impact of sleet bad weather on equipment work simultaneously; rotating insulated power transmission shaft efficiently solves the problem that motor and folding conductor insulate between them when charged, guarantees device security.
The beneficial effects of the utility model are:
1, the electric current on bundle conductor can be collaborated, and cause ground wire, melt 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 be at the bottom of tower the electrical control gear of operating means, can complete easily ice-melt wiring, avoid the upper tower operation of staff, eliminated the security risk of tower on operating personnel night, and greatly alleviated labour intensity, improved operating efficiency.
3, automatic connection device is easy for installation, simple to operation, and machinery and electrical response are rapid.Can realize fast at short notice the connection of ground wire and wire, electrical connection is stable, through-flow dependable performance, and greatly shortened required preparation and the apparatus operating time of ground wire deicing.
4, the outdoor safeguard procedures of automatic connection device are perfect, normally work in the winter time under outdoor cold and wind and snow condition; Device has release manually, closes a floodgate and opens 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 the overload protection after folding conductor puts in place.
6, ground wire deicing automatic connection device humanization designing, 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, applicable to the ground wire deicing in various electric pressure work transmission lines.
Claims (10)
1. a ground wire deicing automatic connection device, the electric current of armature (iron) tower transmission pressure is 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 is fixed on steel tower and with jumper string electricity getting device and keeps adapted distance, transmission mechanism insulation connects folding conductor link, between folding conductor and steel tower ground wire, be provided with connecting line (9), electrical control gear rotates folding conductor with electricity getting device engaging or separates 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), it is upper that block ring (1) is connected to conducting rod (2), is also fixed with the connecting line (9) that connects ground wire on connecting plate (3).
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) is welded with vertical tube connector (7) with contact (4) link, the vertical section of T-shaped copper pipe (5) diameter is less than the diameter of vertical tube connector (7), one end of copper pigtail (6) penetrates vertical tube connector (7) and conducting rod (2) welding, vertical section of lower end of the other end and T-shaped copper pipe (5) welded and made the lower end of T-shaped copper pipe (5) insert vertical tube connector (7), outside the horizontal two ends of T-shaped copper pipe (5), be exposed at outside vertical tube connector (7), vertical section of T-shaped copper pipe (5) is provided with the upper corresponding position of vertical tube connector (7) through hole (10) running through, in through hole (10), run through 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), wire clamp chuck (17) the clamping UNICOM transmission pressure that jumper string electricity getting device suspends electricity getting device wire clamp (11) in midair by suspention plate (21) and is provided with by electricity getting device wire clamp (11), contact finger structure (12) is arranged on the abduction side (13) of electricity getting device wire clamp (11) and goes up and make contact finger structure (12) adaptive folding conductor contact jaw in folding direction to engage with contact finger structure or separate, the weight stack (16) being 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 every pair of fingertip (14) is set to outer splayed configuration, the adaptive folding conductor engaging of opening size, guide plate (18) is set to the pair of openings place plate consistent with the outer splayed configuration of fingertip (14) as the extension of fingertip (14), the fingertip (14) that guide plate (18) guiding folding conductor contact jaw enters spring (15) clamping engages 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) being 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 and the link of contact finger structure (12) engaging is hung.
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 control 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 motion, 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) with connection tower fixed head (27) by parallel being fixedly connected with of some composite post insulators (32), 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 described in any one claim in claim 1 to 7; it is characterized in that: also comprise protective device; protective device be arranged on steel tower by adjustable mounting structure and be positioned at folding conductor and plane that jumper string electricity getting device forms on; the folding conductor contact jaw that transmission mechanism control separates 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 the adaptive folding conductor of notch (53) contact jaw, offer protective cover door (54) in the top of side notch (53), electric pushrod (47) is 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) the locking folding conductor arranging on folding conductor at folding conductor during in released state, 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) is controlled respectively the reciprocating motion of electric pushrod (47), 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) while turning to released state, dwang (50) touches signaling switch (51) again, the switching signal control electric pushrod (47) of signaling switch (51) inserts the block ring (1) of 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 is locked (34) and is arranged on power output end (36) and the signal input output end (37) in portable control case outside, storage battery (33) is connected to portable control case (46) by power output end (36), signal input output end (37) is controlled motor (22) and electric pushrod (47) action by the power supply output of storage battery (33), signal input output end (37) receives signal by the electric and dead electricity that obtains of control circuit control motor (22) and electric pushrod (47), on steel tower, be also provided with locking wire cabinet (38), the power connection (39) of motor (22) and electric pushrod (47) and all Signal connector (40) of 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, upper cover inner side at described portable control case (46) is provided with a circle luminescent lighting lamp (41), in portable control case (46), be provided with lighting switch (42), in portable control case (46), be also provided with battery capacity indication screen (43) and protection switch (44), battery capacity indication screen (43) is for showing dump energy, be provided with neonychium (45) in portable control case (46) upper cover inner side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318114.6U CN203895925U (en) | 2014-06-16 | 2014-06-16 | Automatic wiring apparatus for ground wire deicing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318114.6U CN203895925U (en) | 2014-06-16 | 2014-06-16 | Automatic wiring apparatus for ground wire deicing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203895925U true CN203895925U (en) | 2014-10-22 |
Family
ID=51722281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420318114.6U Withdrawn - After Issue CN203895925U (en) | 2014-06-16 | 2014-06-16 | Automatic wiring apparatus for ground wire deicing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203895925U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322493A (en) * | 2014-06-16 | 2016-02-10 | 中国南方电网有限责任公司超高压输电公司 | Ground wire ice melting automatic wiring device |
| CN110048283A (en) * | 2019-05-30 | 2019-07-23 | 中国能源建设集团南京线路器材有限公司 | Cage jumper electricity getting device |
| CN111342412A (en) * | 2020-03-06 | 2020-06-26 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Automatic wiring device for ground wire ice melting |
-
2014
- 2014-06-16 CN CN201420318114.6U patent/CN203895925U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322493A (en) * | 2014-06-16 | 2016-02-10 | 中国南方电网有限责任公司超高压输电公司 | Ground wire ice melting automatic wiring device |
| CN105322493B (en) * | 2014-06-16 | 2017-07-07 | 中国南方电网有限责任公司超高压输电公司 | A kind of ground wire deicing automatic connection device |
| CN110048283A (en) * | 2019-05-30 | 2019-07-23 | 中国能源建设集团南京线路器材有限公司 | Cage jumper electricity getting device |
| CN111342412A (en) * | 2020-03-06 | 2020-06-26 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Automatic wiring device for ground wire ice melting |
| CN111342412B (en) * | 2020-03-06 | 2021-04-13 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Automatic wiring device for ground wire ice melting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510620 Tianhe Road 116, Guangdong, Guangzhou Patentee after: Super-High Transmission Co., China South Electric-Net Co., Ltd. Patentee after: Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Cor Patentee after: Company limited of Nanjing Electric Power Fittings Design & Research Institute Address before: 510620 Tianhe Road 116, Guangdong, Guangzhou Patentee before: Super-High Transmission Co., China South Electric-Net Co., Ltd. Patentee before: Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Cor Patentee before: Nanjing Electric Power Hardware Design Research Institute |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141022 Effective date of abandoning: 20170707 |