CN208596899U - A kind of 40.5kV switchgear suitable for highlands - Google Patents

Abstract

The utility model discloses a kind of 40.5kV switchgears suitable for highlands, including switchgear, the control room the switchgear Fen You, handcart room, feeder line room and bus-bar room, the feeder line room is arranged above bus-bar room, the handcart room is arranged on the left of feeder line room and bus-bar room, the control room is arranged in the handcart room upper left corner, breaker assembly is provided in the handcart room, upper conductive contact on the breaker assembly is connected with the upper contact head boxlike current transformer outlet that feeder line room is arranged in, the entrance of the upper contact head boxlike current transformer is connect by earthing switch with upper branch bus connector；Lower conductive contact on the breaker assembly is connected with the lower contact box current transformer outlet that bus-bar room is arranged in, and the lower contact box current transformer entrance is connect with lower branch bus connector；The breaker assembly includes vehicle frame, vacuum interrupter, operating mechanism, connection insulated pull rod and insulation brace rod.

Description

A kind of 40.5kV switchgear suitable for highlands

Technical field

The utility model relates to high-tension switch gear technical fields, and in particular to a kind of 40.5kV suitable for highlands Switchgear.

Background technique

Switch device cabinet bodies are for placing switchgear, the bad mechanical strength of switch device cabinet bodies in the prior art, and And the magnetic circuit due to generating magnetic field when main bus-bar is through-flow, cause eddy-current loss larger, the safety of switchgear operation is poor.? The 40.5kV switch of altitude environment installation is higher to the insulation performance requirement of equipment, needs more reasonably to be laid out.Electric current therein Mutual inductor setting position is not reasonable, and current transformer is arranged on the cabinet mostly in the prior art, however space in cabinet body Limited, the loading of current transformer, which can compress space in cabinet, causes other electric elements installation spaces more narrow.

In existing insulated switch cabinet, in order to enable vacuum circuit breaker easily to realize, propulsion and exit function (are pushed away Be advanced to operating position into referring to from testing position, exit refer to from operating position be withdrawn into testing position), it is general to use one Chassis vehicle carries vacuum circuit breaker, and the driving wheel by being installed on chassis vehicle move ahead on the track in switchgear or after It moves back.To realize movement of the chassis vehicle in switchgear, screw rod can be set on a chassis, be arranged one on screw rod and be fixed on sole On screw, by taper knob upper screw rod end, rotary screw rod makes screw that sole be driven to be moved forward and backward, to realize breaker It the propulsion of chassis vehicle and exits.

The spring of contact when due to circuit-breaker switching on-off, seriously affects the break performance of breaker, and influences breaker point The factor of closing rebound mainly has: the rigidity of the quality of moving component, speed, contact pressure and insulated pull rod.It uses at present Insulated pull rod it is generally rigid, divide-shut brake moment and the rigidly connected contact of insulated pull rod can generate bullet by a relatively large margin It jumps, seriously affects the break performance of breaker.

It is concentrated mainly on arc-chutes disconnection and closure moment since breaker generates electric discharge, is disconnected in the arc-chutes of breaker With closure moment, insulated pull rod is easy failure of insulation, leads to safety accident.Especially plateau particular surroundings, to breaker Insulation performance require it is higher.

In addition, existing insulated pull rod is according to practical installation and trial needs, it has not been convenient to adjustment length, the adjustable length having Degree, when the opposite locking that can not be locked between insulating bar and connector causes in the process of running, insulated pull rod will appear length change Change, to influence effective control to arc-chutes.

Utility model content

The purpose of this utility model is to overcome the shortage of prior art, and provides a kind of 40.5kV suitable for highlands Switchgear, solution space in cabinet body is limited interior, and each switchgear arrangement is unreasonable, leads to space waste, and installation is inconvenient, And the problem that insulation effect is bad,

Otherwise address insulated pull rod is disconnected in the arc-chutes of breaker and closure moment, insulated pull rod are easy failure of insulation, The problem of causing safety accident to occur.

Although and solve existing insulated pull rod and have the function of length adjustment, when by screw rod adjusting elongation, length without Method locking, is easy to make insulated pull rod in use process, and insulated pull rod will appear length variation, to influence to the effective of arc-chutes Control problem.

The utility model is achieved through the following technical solutions:

A kind of 40.5kV switchgear suitable for highlands, including switchgear, the control room the switchgear Fen You, hand Car room, feeder line room and bus-bar room, the feeder line room are arranged above bus-bar room, and the handcart room is arranged in feeder line room and bus-bar room Left side, control room's setting are provided with breaker assembly, the breaker assembly in the handcart room upper left corner, the handcart room On upper conductive contact be arranged in feeder line room upper contact head boxlike current transformer outlet connect, the upper contact head boxlike electric current The entrance of mutual inductor is connect by earthing switch with upper branch bus connector；

Lower conductive contact on the breaker assembly is exported with the lower contact box current transformer that bus-bar room is arranged in Connection, the lower contact box current transformer entrance are connect with lower branch bus connector；

The breaker assembly includes vehicle frame, vacuum interrupter, operating mechanism, connects insulated pull rod and insulation brace rod, Be fixed with upper and lower two layers of insulator in the stand of the vehicle frame, the vacuum interrupter upper end by upper wire outlet seat be located at The insulator on upper layer is connected, and the vacuum interrupter lower end is connected by lower wire outlet seat with the insulator for being located at lower layer, the behaviour Motivation structure is arranged in the stand of vehicle frame, and operating mechanism is driven by the moving conductive rod of connection insulated pull rod and vacuum interrupter to be connected It connects；It is fixedly connected between upper wire outlet seat and lower wire outlet seat by insulation brace rod.

A kind of 40.5kV switchgear suitable for highlands of the utility model, originally 40.5 plateau type switchgears is upper Contact box current transformer is arranged between the upper contact head of breaker and feeder line room, rationally distributed.After feeder line room is located at cabinet body Top, and earthing switch is arranged in feeder line room, space utilization rate is high.Using novel plateau type breaker, breaker is equipped with Insulated pull rod and insulation brace rod, increase the insulation performance of breaker, and increase creepage distance.Each phase branch bus is cased with silicon rubber Glue bus casing, optimizes surrounding electric field, is not likely to produce electric discharge.Partition and the detail assembly panel for having electric current to pass through are by non-magnetic Stainless steel material be made, the generation of vortex phenomenon can be prevented, cabinet body is avoided to cross heat affecting equipment operational safety.

Further, the connection insulated pull rod includes connection insulated pull rod body, the first connector and the second connector, institute It states the first connector and is connected with insulated pull rod body threaded one end is connect, the connection insulated pull rod body other end is muff joint, It is equipped with hickey in the bottom end of muff joint, muff joint, which is externally provided with, adjusts full skirt set；Second connector includes inner end Connector and outer end connector, inner end connector one end are equipped with the screw thread adjusting for cooperating and connecting with hickey and connect Head, the inner end connector other end are connect with outer end connector elastic telescopic；

In outer end, the outer end of connector is arranged with mobile adjustment disk, around equipped with multiple mobile tune on mobile adjustment disk Pole, corresponding with mobile adjusting rod on adjusting the corresponding muff joint of full skirt set to be equipped with adjustment hole, mobile adjusting rod passes through Adjustment hole is symmetrically arranged with triangle-pole rack device in mobile adjusting rod outer end, sealing cap part in port is equipped on muff joint port.

Further, the inner end connector other end is equipped with connection sleeve, and the bottom end in connection sleeve is equipped with flower Key sleeve sections, the outer end connector are rod-like structure, and outer end connector one end is equipped with the spline matched with splined sleeve section Shaft part, the outer end connector other end are equipped with STATEMENT OF FEDERALLY SPONSORED connector, and outer end connector is plugged in splined sleeve by splined shaft section In section, the first spring is installed between connection sleeve bottom on the inside of splined shaft section, the outer end connection on the outside of splined shaft section It is arranged with second spring on head, second spring is encapsulated in connection sleeve by being equipped with screw thread sealing cap in connection socket port It is interior.

Further, the upper wire outlet seat is connected with conductive contact, and lower wire outlet seat is connected with lower conductive contact；On described Insulating boot is equipped on wire outlet seat and lower wire outlet seat.

Further, the insulation brace rod includes insulation brace rod body, is respectively equipped with height in insulation brace rod body upper and lower ends portion Short staggeredly full skirt.

Further, the triangle-pole rack device includes upper strut, lower supporting rod and sliding connection block, the upper strut bottom End is hinged on sliding connection block, and the lower supporting rod upper end is hinged on sliding connection block, and the sliding connection block is slidably connected In mobile adjusting rod outer end；The upper strut upper end is equipped with camber bracer.

Further, third spring, the mobile adjusting are arranged on the second connector on the inside of the mobile adjustment disk The 4th spring is arranged on the second connector on the outside of disk.

Further, it is square rod segment on corresponding outer end connector that the port sealing cap part, which is installed, port sealing cap part with The cooperation of square rod segment is square hole, and the outer ring surface of the port sealing cap part is bolted on the port surface of muff joint.

Further, the mobile adjusting rod lower end is movably arranged on mobile adjustment disk；The connection insulated pull rod body Anchor ring be equipped with multiple full skirts.

Further, dehumidification device is equipped in the bus-bar room.

The utility model compared with prior art, has the following advantages and benefits:

1, a kind of 40.5kV switchgear suitable for highlands of the utility model, this 40.5 plateau type switchgear Upper contact head boxlike current transformer is arranged between the upper contact head of breaker and feeder line room, rationally distributed.Feeder line room is located at cabinet body Back upper place, and earthing switch is arranged in feeder line room, space utilization rate is high.Using novel plateau type breaker, set on breaker There are insulated pull rod and insulation brace rod, increase the insulation performance of breaker, and increases creepage distance.Each phase branch bus is cased with silicon Rubber bus casing, optimizes surrounding electric field, is not likely to produce electric discharge.Partition and the detail assembly panel for having electric current to pass through are by not leading The stainless steel material of magnetic is made, and can prevent the generation of vortex phenomenon, and cabinet body is avoided to cross heat affecting equipment operational safety.

2, a kind of 40.5kV switchgear suitable for highlands of the utility model, by vacuum interrupter, connection It carries out upgrading in insulation function in insulated pull rod and insulation brace rod to improve to be applicable in altitude environment, vacuum extinction chamber surface is equipped with silicon Rubber, increases the insulation performance of breaker, and increases its creepage distance.This breaker has very strong self-cleaning dirty energy Power avoids the accumulation of dust, influences its insulation performance.This breaker performance meets high altitude localities requirement.

3, a kind of 40.5kV switchgear suitable for highlands of the utility model, by will connect insulated pull rod Two connectors are designed to stretching structure, the generally flexible tension structure of the insulated pull rod used, in the moment of divide-shut brake The spring generated by a relatively large margin, the smaller break performance for influencing breaker are avoided with the rigidly connected contact of insulated pull rod；

4, a kind of 40.5kV switchgear suitable for highlands of the utility model, by the way that the second connector to be designed to Stretching structure, the shifting of outer end connector on the second connector relative to inner end connector telescopic process, on the connector of outer end Dynamic adjustment disk synchronizing moving, around being equipped with, multiple mobile adjusting rods are also synchronous to pull inner end connector reversed on mobile adjustment disk The triangle-pole rack device of side opens, to make to adjust full skirt set moment opening increase creep distance；Insulated pull rod is solved disconnected The problem of arc-chutes of road device disconnect and closure moment, and insulated pull rod is easy failure of insulation, safety accident is caused to occur；

5, a kind of 40.5kV switchgear suitable for highlands of the utility model, by the end that will connect insulated pull rod It is square rod segment on corresponding outer end connector that mouth sealing cap part, which is installed, and port sealing cap part and the cooperation of square rod segment are square hole, institute The outer ring surface for stating port sealing cap part is bolted on the port surface of muff joint, to make the second connector that can only cover Stretching motion is done in cylinder connector, and cannot be made rotating motion, makes insulated pull rod in use process, insulated pull rod can or can not be grown Degree variation, influences effective control to arc-chutes；

6, a kind of 40.5kV switchgear suitable for highlands of the utility model, the second connector are drawn with insulation is connect The body of rod adjusts connector connection by the cooperate screw thread of connection of hickey, long so as to the installation that adjusts the second connector Degree, convenient for adjusting the entire length of insulating pull rod for breaker according to different installation situations；Second connector passes through two positions It realizes and connect the connection of insulated pull rod body, in addition it is exactly movement tune that one, which is connection that hickey and screw thread adjust joint, The limit saved between disk and port sealing cap part connects, to substantially increase what existing insulating pull rod for breaker can only connect at one The tensile strength of structural relation improves the use quality of insulating pull rod for breaker.

7, a kind of 40.5kV switchgear suitable for highlands of the utility model, by supportting the insulation of insulation brace rod Body of rod upper and lower ends portion is respectively equipped with height and interlocks full skirt, and the height full skirt that interlocks can increase the creep distance of insulation brace rod, and height is handed over Wrong full skirt is respectively provided at upper and lower ends portion, prevent insulation brace rod middle part and vacuum interrupter in the middle part of protrusion distance close to, Lead to full skirt failure of insulation.

Detailed description of the invention

Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:

Fig. 1 is a kind of schematic view of the front view of the 40.5kV switchgear suitable for highlands of the utility model；

Fig. 2 is a kind of side structure schematic view of the 40.5kV switchgear suitable for highlands of the utility model；

Fig. 3 is the side structure schematic view of the utility model breaker assembly；

Fig. 4 is the schematic view of the front view of the utility model breaker assembly；

Fig. 5 is the structural schematic diagram that the utility model connects insulated pull rod；

Fig. 6 is the structural schematic diagram of the second connector of the utility model；

Fig. 7 is the structural schematic diagram of the utility model inner end connector；

Fig. 8 is the structural schematic diagram of the utility model outer end connector；

Fig. 9 is the structural schematic diagram that the utility model triangle-pole rack device is matched with adjusting full skirt set；

Label and corresponding parts title in attached drawing: 1- connection insulated pull rod body, the first connector of 2-, the connection of 3- second Head；4- muff joint, 5- hickey, 6- adjust full skirt set；The inner end 7- connector, the outer end 8- connector, the adjusting of 9- screw thread connect Head；10- connection sleeve, 11- splined sleeve section, 12- splined shaft section；13- STATEMENT OF FEDERALLY SPONSORED connector, the first spring of 14-, the second bullet of 15- Spring；16- screw thread sealing cap, the mobile adjustment disk of 17-, the mobile adjusting rod of 18-；19- adjustment hole, 20- triangle-pole rack device, the end 21- Mouth sealing cap part；The upper strut of 22-, 23- lower supporting rod, 24- sliding connection block；25- camber bracer, 26- third spring, the 4th bullet of 27- Spring；28- square rod segment, 29- bolt, 30- full skirt；31- vehicle frame, 32- vacuum interrupter, 33- operating mechanism；34- connection insulation Pull rod, 35- insulation brace rod, 36- stand；37- insulator, the upper wire outlet seat of 38-, wire outlet seat under 39-；The upper conductive contact of 40-, 41- Lower conductive contact, 42- insulation brace rod body；43- height interlocks full skirt, 44- insulating boot, 45- switchgear, the control room 46-, 47- hand Car room, 48- feeder line room, 49- bus-bar room, 50- upper contact head boxlike current transformer, 51- earthing switch, the upper branch bus connector of 52-, Contact box current transformer under 53-, branch bus connector under 54-, 55- dehumidification device, 56- intermediate membrane, 57- bus-bar room every Plate.

Specific embodiment

For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing, The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this Utility model is not intended to limit the scope of the present invention.

Embodiment

As shown in figs 1-9, a kind of 40.5kV switchgear suitable for highlands of the utility model, including switchgear 45,45 control room Fen You 46 of switchgear, handcart room 47, feeder line room 48 and bus-bar room 49, the feeder line room 48 are arranged in mother 49 top of line room, in 49 left side of feeder line room 48 and bus-bar room, the control room 46 is arranged in handcart room for the setting of handcart room 47 47 upper left corners are provided with breaker assembly in the handcart room 47, the upper conductive contact 40 on the breaker assembly and setting Upper contact head boxlike current transformer 50 in feeder line room 48 exports connection, and the entrance of the upper contact head boxlike current transformer 50 is logical Earthing switch 51 is crossed to connect with upper branch bus connector 52；Lower conductive contact 41 and setting on the breaker assembly is in bus-bar room 49 lower contact box current transformer 53 exports connection, and lower 53 entrance of contact box current transformer connects with lower branch bus First 54 connection.

Upper contact head boxlike current transformer 50, upper branch bus connector 52, earthing switch 51 are mounted in feeder line room, and upper branch is female Wire terminal 52 is mounted on 48 top of feeder line room by outlet casing tube mounting plate；Lower contact box current transformer 53, lower branch Busbar joint 54 (including main bus-bar and lower branch bus) and lower 54 insulating sleeve of branch bus connector of installation, dehumidification device 55 are pacified In bus-bar room 49, bus casing mounting plate is located on 49 side wall of bus-bar room for installing lower branch bus connector 54；Breaker It is mounted on circuit breaker cart, circuit breaker cart is removable to be pushed into handcart room 47；Control room 46 is located at top before switchgear 45.

Earthing switch 51 is fixed in the intermediate membrane 56 of switchgear 45,50,53 points of upper and lower contact box current transformer It cabinet body intermediate membrane 56 and Chuan Guo not be fixed in cabinet body intermediate membrane 56, bus-bar room partition 57 is to upper and lower contact case type electric current Mutual inductor 50,53 plays a supportive role, and is separately installed with upper and lower static contact in upper and lower contact box current transformer 50,53, on In static contact it is each mutually by be flexible coupling it is corresponding with earthing switch 51 be connected, branch bus is worn in each phase fed out from earthing switch 51 Corresponding phase outlet casing tube is crossed, outlet casing tube is mounted on 48 top of feeder line room, and outlet casing tube mounting plate is located at 48 top of feeder line room；Phase Feeder line room 48 to the right is arranged below bus-bar room 49, the utility model is by feeder line room 48 and matched upper branch bus connector 52 are disposed over, and installation and cabling convenient for global switch can effectively save the occupied space of switchgear 45.

Circuit breaker cart enters cabinet body, after breaker open operation, circuit breaker cart can in cabinet testing position and working position It is moved forward and backward between setting, can be powered when breaker is in after operating position is closed a floodgate；Under each phase branch bus one end under corresponding phase Static contact connects, and on another main bus-bar for being connected to corresponding phase, main bus-bar passes through loaded on the mother on cabinet body bus casing mounting plate Thread casing is through in adjacent switch equipment cabinet body；Control room is located at top before cabinet body, and built-in low-pressure secondary control element is used for The state of each primary element in monitoring switch equipment.Upper branch bus, lower branch bus, be flexible coupling all is cased with insulating sleeve outside.Bus Casing mounting plate, outlet casing tube mounting plate, intermediate membrane 56, bus-bar room partition 57 are made of non-magnetic stainless steel plate.

After circuit breaker cart is in cabinet operating position and breaker closing, three phase mains is set from adjacent either side switch Standby to introduce in this switchgear through each phase bus casing, every phase is overlapped by lower branch bus to lower contact box current transformer respectively Lower static contact in 53, the current-carrying part through circuit breaker polar, lead to upper static contact in upper contact head boxlike current transformer 50, Earthing switch 51, upper branch bus, are finally fed out by outlet casing tube, downward first order load power supply.The element configured in control room 46 For monitoring the state with each primary element in operation-control switch equipment.

As shown in Figure 3-4, breaker assembly includes vehicle frame 31, vacuum interrupter 32, operating mechanism 33, connection insulated pull rod 34 and insulation brace rod 35, upper and lower two layers of insulator 37 is fixed in the stand 36 of the vehicle frame 31, vehicle frame 31 includes stand 36 and chassis vehicle, in order to enable vacuum circuit breaker easily to realize, (propulsion, which refers to from testing position, to be pushed away for propulsion and exit function Enter operating position, exit refer to from operating position be withdrawn into testing position), vacuum circuit breaker is carried using chassis vehicle, and It is taken turns by the driving installed on chassis vehicle and moves ahead or retreat on the track in switchgear.32 upper end of vacuum interrupter is logical Cross wire outlet seat 38 be located at upper layer insulator 37 be connected, 32 lower end of vacuum interrupter by lower wire outlet seat 39 be located at The insulator 37 of lower layer is connected, and according to different electric phases, three sets of vacuum interrupters 32 is generally arranged on a set of vehicle frame 31 or four sets true Empty arc-chutes 32, the operating mechanism 33 are arranged in the stand 36 of vehicle frame 31, and operating mechanism 33 passes through connection insulated pull rod 34 It is sequentially connected with the moving conductive rod of vacuum interrupter 32；It is fixed by insulation brace rod 35 between upper wire outlet seat 38 and lower wire outlet seat 39 Connection.Vacuum interrupter 32 is constituted including determining conducting rod, running cambered surface, fixed contact, moving contact, dynamic race cambered surface, moving conductive rod surely The conducting system of arc-chutes.Wherein determine conducting rod, run cambered surface, fixed contact surely and be collectively referred to as fixed electrode, moving contact dynamic run cambered surface, dynamic leads Electric pole is collectively referred to as moving electrode, the vacuum circuit breaker being assembled by vacuum interrupter 32, and vacuum load switch and vacuum contactor close a floodgate When, operating mechanism 33 makes two contact closures by the movement of moving conductive rod, completes the connection of circuit.In order to make between two contacts Contact resistance reduce as far as possible and keep stable and arc-chutes are born has good mechanical strength when dynamic current, vacuum is opened It closes and moving conductive rod one end is provided with guide sleeve, and use one group of compressed spring, make to maintain a rated pressure between two contacts. When vacuum switch breaking current, two contact of arc-chutes separates and generates therebetween electric arc, until electric arc when electric current natural zero-crossing Extinguish, just completes cut-offfing for circuit.Operating mechanism 33 is the machine driving knot of comparative maturity as the dynamic structure of breaker Structure, the utility model are not repeating.Silicon rubber is arranged with outside vacuum interrupter.

Connecting insulated pull rod 34 includes connection insulated pull rod body 1, the first connector 2 and the second connector 3, and connection insulation is drawn The body of rod 1 is made using addition glass fiber material in PA66 enhancing nylon material, so that insulated pull rod toughness increases, is not only enhanced The mechanical strength of insulated pull rod, also efficiently solves electric field uneven phenomenon and extends the service life of insulated pull rod, together When alleviate the weight of insulated pull rod.First connector 2 with connect the connection of 1 threaded one end of insulated pull rod body, the first connector 2 with Telescopic adjustment also may be implemented between connection insulated pull rod body 1 during installation, 1 other end of connection insulated pull rod body is sleeve Connector 4 is equipped with hickey 5 in the bottom end of muff joint 4, and muff joint 4, which is externally provided with, adjusts full skirt set 6.Muff joint 4 is set Insulation protection can be played to the second connector 3 by setting.It adjusts full skirt set and full skirt is all made of silicon rubber preparation.

Second connector 3 include inner end connector 7 and outer end connector 8, described 7 one end of inner end connector be equipped with The screw thread of the mutual cooperation connection of hickey 5 adjusts connector 9, and 7 other end of inner end connector is equipped with connection sleeve 10, is connecting Bottom end in female connector cylinder 10 is equipped with splined sleeve section 11, and the outer end connector 8 is rod-like structure, 8 one end of outer end connector Equipped with the splined shaft section 12 matched with splined sleeve section 11,8 other end of outer end connector is equipped with STATEMENT OF FEDERALLY SPONSORED connector 13, outside End connector 8 is plugged in splined sleeve section 11 by splined shaft section 12,12 inside of splined shaft section with connect 10 bottom of sleeve Between the first spring 14 is installed, second spring 15 is arranged on the outer end connector 8 in the outside of splined shaft section 12, by even 10 port of female connector cylinder is equipped with screw thread sealing cap 16 and second spring 15 is encapsulated in connection sleeve 10, and in outer end, connector 8 is outer End sleeve is equipped with mobile adjustment disk 17, around multiple mobile adjusting rods 18 are equipped on mobile adjustment disk 17, is adjusting full skirt set 6 Corresponding with mobile adjusting rod 18 in corresponding muff joint 4 to be equipped with adjustment hole 19, mobile adjusting rod 18 passes through adjustment hole 19, Mobile 18 outer end of adjusting rod is symmetrically arranged with triangle-pole rack device 20, and port sealing cap part 21 is equipped on 4 port of muff joint.

The utility model connects insulated pull rod 34, and by the way that the second connector is designed to stretching structure, the insulation used is drawn The generally flexible tension structure of bar, divide-shut brake moment and the rigidly connected contact of insulated pull rod avoid generation compared with Significantly bounce, the smaller break performance for influencing breaker；By the way that the second connector is designed to stretching structure, connect second Outer end connector on connector is relative to inner end connector telescopic process, mobile adjustment disk synchronizing moving on the connector of outer end, Around equipped with the multiple mobile adjusting rods also synchronous trivet bridge for pulling the reversed side of inner end connector on mobile adjustment disk Device opens, to make to adjust full skirt set moment opening increase creep distance；The arc-chutes that insulated pull rod is solved in breaker disconnect With closure moment, the problem of insulated pull rod is easy failure of insulation, safety accident is caused to occur；

The triangle-pole rack device 20 includes upper strut 22, lower supporting rod 23 and sliding connection block 24, the upper strut 22 Bottom end is hinged on sliding connection block 24, and 23 upper end of lower supporting rod is hinged on sliding connection block 24, the sliding connection block 24 are slidably connected at mobile 18 outer end of adjusting rod.22 upper end of upper strut is equipped with camber bracer 25.

Camber bracer 25 on multiple upper struts 22 can surround a circular ring structure, adjusting full skirt set easy to support in this way 6 expansion increase electric creep distance.When mobile adjusting rod 18 move to side, the triangle-pole rack device 20 of the side with regard to it is unfolded (on Angle between strut 22, lower supporting rod 23 becomes larger) support adjusts full skirt set 6 and expands, and move the triangle of 18 other side of adjusting rod Brace rod rack device 20 is not due to having thrust that will shrink (angle between upper strut 22, lower supporting rod 23 becomes smaller).Sliding connection block 24 can slide up and down in mobile 18 outer end of adjusting rod, and due to when triangle-pole rack device 20 struts, lower supporting rod 23 can be by Gradually vertical, so that sliding connection block 24 be forced to move up, otherwise triangle-pole rack device 20 can not be unfolded.

Third spring 26, the mobile adjustment disk 17 are arranged on second connector 3 of 17 inside of mobile adjustment disk The 4th spring 27 is arranged on second connector 3 in outside.First spring 14, second spring 15, third bullet 26 and the 4th spring 27 4 springs are provided to the flexible reset that the second connector 3 is realized in cooperation, reduce the rigid of insulating bar.

The mobile adjustment disk 17 is threadedly coupled with outer end connector 8.Mobile adjustment disk 17 is designed to adjustment structure, is just It is connected in mounted in pairing mode, because the position of mobile adjustment disk 17 needs installation corresponding with full skirt set 6 is adjusted, it is also necessary to third bullet 26 and 27 elastic spacing of the 4th spring stop.

The port sealing cap part 21 is installed on corresponding outer end connector 8 as square rod segment 28, port sealing cap part 21 and side The cooperation of type rod segment 28 is square hole, and the outer ring surface of the port sealing cap part 21 is connected to the port of muff joint 4 by bolt 29 On face.A kind of 40.5kV switchgear suitable for highlands of the utility model is corresponded to by installing port sealing cap part 21 Outer end connector 8 on be square rod segment 28, port sealing cap part 21 and square rod segment 28 cooperation be square hole, the port sealing cap The outer ring surface of part 21 is connected on the port surface of muff joint 4 by bolt 29, to make the second connector that can only connect in sleeve Stretching motion is done in head, and cannot be made rotating motion, makes insulated pull rod in use process, length change can or can not occur in insulated pull rod Change, influences effective control to arc-chutes.

18 lower end of mobile adjusting rod is movably arranged on mobile adjustment disk 17.The ring of the connection insulated pull rod body 1 Face is equipped with multiple full skirts 30.Electric creep distance of the insulating bar in static process can be increased by multiple full skirts 30.

The utility model connects 34 creep distance increasing method of insulated pull rod, and when being closed extinguisher, the second connector 3 connects It connects insulated pull rod body 1 and the first connector 2 passes sequentially through thrust power conduction and is closed extinguisher, in extinguisher closing course In, outer end connector 8 is mobile to 7 direction of inner end connector, and the mobile adjustment disk 17 on outer end connector 8 is synchronous to be connected to inner end First 7 direction is mobile, and around being equipped with, multiple mobile adjusting rods 18 are also synchronous to push inner end connector 7 reversed on mobile adjustment disk 17 The triangle-pole rack device 20 of side opens, to make to adjust full skirt set 6 moments opening increase creep distance.

When disconnecting extinguisher, the second connector 3, connection insulated pull rod body 1 and the first connector 2 pass sequentially through tension Power conduction disconnects extinguisher, and in extinguisher disconnection process, outer end connector 8 is moved relative to 7 opposite direction of inner end connector Dynamic, the mobile adjustment disk 17 on outer end connector 8 is synchronous mobile to 7 opposite direction of inner end connector, the ring on mobile adjustment disk 17 Being arranged with multiple mobile adjusting rods 18, also the synchronous triangle-pole rack device 20 for pulling the reversed side of inner end connector 7 opens, from And make to adjust full skirt set 6 moments opening increase creep distance.

34 creep distance increasing method of insulated pull rod is connected, by the way that the second connector is designed to stretching structure, in the second connection Outer end connector on head is relative to inner end connector telescopic process, mobile adjustment disk synchronizing moving on the connector of outer end, Around rack-mounted equipped with the multiple mobile adjusting rods also synchronous triangle-pole for pulling the reversed side of inner end connector on mobile adjustment disk Opening is set, to make to adjust full skirt set moment opening increase creep distance；Solve insulated pull rod breaker arc-chutes disconnect and The problem of closure moment, insulated pull rod is easy failure of insulation, safety accident is caused to occur.

Upper wire outlet seat 38 is connected with conductive contact 40, and lower wire outlet seat 39 is connected with lower conductive contact 41.Upper wire outlet seat 38 Insulating boot 44 is equipped with on lower wire outlet seat 39.

Insulation brace rod 35 includes insulation brace rod body 42, is respectively equipped with height in 42 upper and lower ends portion of insulation brace rod body and interlocks umbrella Skirt 43.Interlocked full skirt by the way that the insulation brace rod body upper and lower ends portion of insulation brace rod is respectively equipped with height, height interlocks full skirt can To increase the creep distance of insulation brace rod；The height full skirt that interlocks is respectively provided at upper and lower ends portion, prevents middle part and the vacuum of insulation brace rod Protrusion distance is close to leading to full skirt failure of insulation in the middle part of arc-chutes.

Upper and lower each three, insulator 37 are fixed in the stand 36 of vehicle frame 31, upper wire outlet seat 38 and the insulation for being located at upper end Son 37 be connected, lower wire outlet seat 39 be located at lower end insulator 37 be connected, vacuum interrupter 32 be loaded on upper wire outlet seat 38 and it is lower out Between line seat 39, insulation brace rod 35, which is supported between wire outlet seat 38 and lower wire outlet seat 39, plays support reinforcing, and upper conduction connects First 40 include that upper contact head and upper conducting rod, upper contact head are fixed on conducting rod, and upper conducting rod is connect with upper wire outlet seat 38, vacuum 32 lower conductive segment of arc-chutes is connect by conductive plate with lower conducting rod, and lower conductive contact 41 includes lower conducting rod and lower touching Head, lower conducting rod are connected with lower contact, and conductive plate has both supporting role simultaneously, and vacuum interrupter 32 passes through connection insulated pull rod 34 It is mechanically connected with operating mechanism 33；Upper and lower insulating boot 44 is respectively arranged on upper and lower wire outlet seat 38,39.

The course of work or usage mode.

After circuit breaker cart is pushed to operating position, operating mechanism 33 passes through connection insulated pull rod 34 and the driving of other devices Vacuum interrupter 32 closes a floodgate, electric current introduces through upper contact head, flows through wire outlet seat 38, upper conducting rod, 32 inner cavity of vacuum interrupter Dynamic and static contact is fed out by conductive plate, lower conducting rod, lower contact to route or equipment, when experience fault trip or the inspection that need to have a power failure When repairing equipment, operating mechanism 33 acts after receiving trip signal, moves vacuum by connection insulated pull rod 34 and other device bands 32 separating brake of arc-chutes, so as to release the locking to circuit breaker cart, circuit breaker cart can retreat to testing position and complete subsequent work Make.

A kind of 40.5kV switchgear suitable for highlands of the utility model, originally 40.5 plateau type switchgears is upper Contact box current transformer is arranged between the upper contact head of breaker and feeder line room, rationally distributed.After feeder line room is located at cabinet body Top, and earthing switch is arranged in feeder line room, space utilization rate is high.Using novel plateau type breaker, breaker is equipped with Insulated pull rod and insulation brace rod, increase the insulation performance of breaker, and increase creepage distance.Each phase branch bus is cased with silicon rubber Glue bus casing, optimizes surrounding electric field, is not likely to produce electric discharge.Partition and the detail assembly panel for having electric current to pass through are by non-magnetic Stainless steel material be made, the generation of vortex phenomenon can be prevented, cabinet body is avoided to cross heat affecting equipment operational safety.

Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced It changes, improve, should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of 40.5kV switchgear suitable for highlands, including switchgear (45), it is characterised in that: the switchgear (45) control room Fen You (46), handcart room (47), feeder line room (48) and bus-bar room (49), the feeder line room (48) are arranged in bus Above room (49), handcart room (47) setting is on the left of feeder line room (48) and bus-bar room (49), control room (46) setting In handcart room (47) upper left corner, breaker assembly, the upper conduction on the breaker assembly are provided in the handcart room (47) The upper contact head boxlike current transformer (50) of connector (40) and setting in feeder line room (48), which exports, to be connected, the upper contact head boxlike electricity The entrance of current transformer (50) is connect by earthing switch (51) with upper branch bus connector (52)；

The lower contact box current transformer of lower conductive contact (41) on the breaker assembly and setting in bus-bar room (49) (53) outlet connection, lower contact box current transformer (53) entrance are connect with lower branch bus connector (54)；

The breaker assembly include vehicle frame (31), vacuum interrupter (32), operating mechanism (33), connection insulated pull rod (34) and Insulation brace rod (35), is fixed with upper and lower two layers of insulator (37) in the stand (36) of the vehicle frame (31), and the vacuum is gone out Arc chamber (32) upper end is connected by upper wire outlet seat (38) with the insulator (37) for being located at upper layer, vacuum interrupter (32) lower end It is connected by lower wire outlet seat (39) with the insulator (37) for being located at lower layer, operating mechanism (33) setting is in the vertical of vehicle frame (31) In frame (36), operating mechanism (33) is sequentially connected by the moving conductive rod of connection insulated pull rod (34) and vacuum interrupter (32)； It is fixedly connected between upper wire outlet seat (38) and lower wire outlet seat (39) by insulation brace rod (35).

2. a kind of 40.5kV switchgear suitable for highlands according to claim 1, it is characterised in that: the company Connecing insulated pull rod (34) includes connection insulated pull rod body (1), the first connector (2) and the second connector (3), first connection Head (2) is connected with insulated pull rod body (1) threaded one end is connect, and connection insulated pull rod body (1) other end is muff joint (4), hickey (5) are equipped in the bottom end of muff joint (4), muff joint (4), which is externally provided with, adjusts full skirt set (6)；Described Two connectors (3) include inner end connector (7) and outer end connector (8), and described inner end connector (7) one end is equipped with and connects with screw thread The screw thread of mouth (5) mutual cooperation connection adjusts connector (9), inner end connector (7) other end and outer end connector (8) elastic telescopic Connection；

In outer end, the outer end of connector (8) is arranged with mobile adjustment disk (17), more around being equipped on mobile adjustment disk (17) A mobile adjusting rod (18), on adjusting full skirt set (6) corresponding muff joint (4) with mobile adjusting rod (18) are corresponding is equipped with Adjustment hole (19), mobile adjusting rod (18) pass through adjustment hole (19), are symmetrically arranged with triangle-pole in mobile adjusting rod (18) outer end Rack device (20) is equipped with port sealing cap part (21) on muff joint (4) port.

3. a kind of 40.5kV switchgear suitable for highlands according to claim 2, it is characterised in that: in described Connector (7) other end is held to be equipped with connection sleeve (10), the bottom end in connection sleeve (10) is equipped with splined sleeve section (11), The outer end connector (8) is rod-like structure, and connector (8) one end in outer end is equipped with the spline matched with splined sleeve section (11) Shaft part (12), outer end connector (8) other end are equipped with STATEMENT OF FEDERALLY SPONSORED connector (13), and outer end connector (8) passes through splined shaft section (12) it is plugged in splined sleeve section (11), is equipped with first with connecting between sleeve (10) bottom on the inside of splined shaft section (12) Spring (14) is arranged with second spring (15) on the outer end connector (8) on the outside of splined shaft section (12), by connection sleeve (10) port is equipped with screw thread sealing cap (16) and second spring (15) is encapsulated in connection sleeve (10).

4. a kind of 40.5kV switchgear suitable for highlands according to claim 1, it is characterised in that: on described Wire outlet seat (38) is connected with conductive contact (40), and lower wire outlet seat (39) is connected with lower conductive contact (41)；The upper wire outlet seat (38) and on lower wire outlet seat (39) it is equipped with insulating boot (44).

5. a kind of 40.5kV switchgear suitable for highlands according to claim 1, it is characterised in that: described exhausted Edge strut (35) includes insulation brace rod body (42), is respectively equipped with height in insulation brace rod body (42) upper and lower ends portion and interlocks full skirt (43)。

6. a kind of 40.5kV switchgear suitable for highlands according to claim 2, it is characterised in that: described three Angle brace rod rack device (20) includes upper strut (22), lower supporting rod (23) and sliding connection block (24), upper strut (22) bottom end It is hinged on sliding connection block (24), lower supporting rod (23) upper end is hinged on sliding connection block (24), described to be slidably connected Block (24) is slidably connected at mobile adjusting rod (18) outer end；Upper strut (22) upper end is equipped with camber bracer (25).

7. a kind of 40.5kV switchgear suitable for highlands according to claim 2, it is characterised in that: the shifting It is arranged with third spring (26) on the second connector (3) on the inside of dynamic adjustment disk (17), on the outside of the mobile adjustment disk (17) The 4th spring (27) is arranged on second connector (3).

8. a kind of 40.5kV switchgear suitable for highlands according to claim 2, it is characterised in that: the end It is square rod segment (28), port sealing cap part (21) and square rod segment on corresponding outer end connector (8) that mouth sealing cap part (21), which is installed, (28) cooperation is square hole, and the outer ring surface of the port sealing cap part (21) is connected to the end of muff joint (4) by bolt (29) On mouth face.

9. a kind of 40.5kV switchgear suitable for highlands according to claim 2, it is characterised in that: the shifting Dynamic adjusting rod (18) lower end is movably arranged on mobile adjustment disk (17)；The anchor ring of connection insulated pull rod body (1) is equipped with Multiple full skirts (30).

10. a kind of 40.5kV switchgear suitable for highlands according to claim 1, it is characterised in that: described Dehumidification device (55) are equipped in bus-bar room (49).