CN2763958Y

CN2763958Y - Outdoor high-voltage isolation switch

Info

Publication number: CN2763958Y
Application number: CN 200520004910
Authority: CN
Inventors: 杜乐田; 杜泊丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-02-22
Filing date: 2005-02-22
Publication date: 2006-03-08
Anticipated expiration: 2015-02-22

Abstract

The utility model discloses an outdoor high-voltage isolating switch. The utility model aims to provide an outdoor high-voltage isolating switch having the advantages of simple structure, integral arrangement and few contacts for realizing safe operation. The outdoor high-voltage isolating switch comprising a left contact, a right contact, a wire holder, a wiring terminal, a conductive band and a protective casing is characterized in that the right contact is bend and formed from a copper bar, or two right copper bars are assembled and formed with the contact, and the left contact is composed of two parallel copper bars having head parts which are bulged with arcs and assembled with a fixed component or two parallel left copper bars, the fixed component and finger contacting sheets connected with the two parallel left copper bars via assembly; the tail parts of the left and the right contacts is connected with the inner side of the vertical part of the wire holder and the wiring terminal by the conductive band, the concave parts of the upper and the lower ends of the wiring terminal are matched with positioning screw pins arranged at the upper and the lower ends of an opening of the C-shaped wire holder, the protective casing is worn on the wiring terminal and the conductive part of the wiring terminal is connected with an operating control device via six porcelain bottles. The utility model having the advantages simple structure and convenient maintenance can ensure stable and reliable energization when the switch is closed.

Description

A kind of outdoor high-voltage isolating switch

Technical field

The utility model relates to a kind of high voltage isolator, relates in particular to a kind of outdoor high-voltage isolating switch, belongs to outdoor electric equipment.

Background technology

In the electric power system converting equipment, outdoor high-voltage isolating switch for number at most, along with the raising of the comprehensive automation degree of equipment, carries out unmanned and maintenance to rationalize be the important step of generation current station and electric substation's management means raising.And present present situation is, outside the critical piece of outdoor high-voltage isolating switch was exposed to, long-term back contact part and the bearing portions frictional resistance of using became big, perhaps parts make moist get rusty, material ageing, thereby cause operation troubles, first contact burning, the scaling loss position is around the fingertip anchor point, and especially fingertip is not held, its reason one is after isolating switch closes a floodgate, the width of contact is greater than the width of fingertip, and the back fingertip that closes a floodgate is strutted, and makes fingertip become line with the fingertip seat and contacts; Reason two is that contact and fingertip bump, and make fingertip run off location hole when closing a floodgate, and the positioning convex point that causes fingertip and fingertip seated connection touch formation and put and contact; It two is binding post, contact tube, contact and fingertip partial installation, and the contact between junction block and binding post and the contact tube is many, if sealing-off appears in position or screw is loosening, will go out local disconnection or short circuit and causes outage completely.Because the structural attachment point of above-mentioned existing switch is too much, its contact or gap location are all easily deposited dirt, and junction block and the binding post loose contact that has contact tube increase contact resistance, cause temperature rise too high and scaling loss contact or fingertip; When breaking-closing operating, the reliability of energising can't be guaranteed simultaneously.For addressing the above problem, also having occurred some in recent years contacts line contact and is improved to the formula face that is fixed and clamped and contacts with point, reduce the contact heating burnout, guarantee the examples of many successful of the outdoor high-voltage isolating switch that energising is reliable and stable, better solved above-mentioned problem, but still had complex structure, conducting rod and fingertip or contact assemble by a plurality of parts, its connecting link is too much, and technology is loaded down with trivial details, problems such as easy break-down and cost of investment height.

The utility model content

In order to solve the above-mentioned defective that exists in the prior art, the purpose of this utility model provide a kind of simple in structure, be wholely set and contact point few, can realize the outdoor high-voltage isolating switch of safe and reliable operation.

To achieve these goals, the utility model adopts following technical scheme: a kind of outdoor high-voltage isolating switch, it comprises left contact, right contact, the junction block that joins respectively with left contact and right contact, binding post, the conductive strips and the protective cover that are connected with binding post with left contact, right contact, junction block, it is characterized in that: described right contact is an integrative-structure that the copper bar bending forms, its curved tubulose in head both sides, the middle part extends in parallel, and it extends in parallel and forms two copper bars; Article two, be folded with locating piece between the copper bar front portion, the copper bar surface at middle part is provided with the drum that rises from inside to outside, and afterbody is 90 ° of interior doublings of angle each other, and its corner is provided with the drum that rises from inside to outside, and copper bar joint end to end leaves opening; Described left contact is assembled by two copper bars that be arranged in parallel and its positioning element, wherein, the outside starting the arc of two flat copper file leader portions, starting the arc position is cut with a plurality of openings and forms fingertip; The middle part is parallel to each other, and its parallel surface is provided with the drum that rises from inside to outside; Afterbody is 90 ° of interior doublings of angle each other, and its corner is provided with the drum that rises from inside to outside, and the afterbody joint of described copper bar leaves opening.

Above-mentioned positioning element comprises locating piece, insulation board and two flat spring pressing plates, and insulation board is the multi-disc setting; Wherein, locating piece is located between two parallel copper bars of described left contact middle part, the multi-disc insulation board is with the folded respectively outside that falls within two copper bars of condition of equivalent thickness, two flat spring pressing plates lay respectively at the described insulation board outside, the outside of spring bearer plate is equipped with set bolt, and its set bolt passes described spring bearer plate, insulation board and described copper bar and described locating piece is spirally connected; Described junction block side-looking is a C shape, and the junction block bottom is overlooked to garden sheet type, divides into the hole on its openend, is provided with the location spiral pin in the hole; Described conductive strips lay respectively between described left contact tail and right contact tail connected junction block vertical component inboard and the L shaped binding post column.

Above-mentioned C shape junction block top is provided with projection, the location spiral pin of establishing in the hole on it from top to bottom break-through in described projection; Its location spiral pin of establishing in stomidium down from bottom to top break-through in the sheet type center, garden of described junction block bottom, described binding post is L shaped binding post, the upper and lower side of its column establishes the hole and described location spiral pin is connected, and place, plane, described binding post base is affixed with a binding clip plane.

Be connected with the ground cutter fixed contact that a head is a blade-like on two copper bars at above-mentioned left contact middle part, this ground cutter fixed contact is made as two, cooperate with the exclusive side surface of its two flat copper respectively, article two, the inboard folder of copper bar is established a positioning block, and described ground cutter fixed contact and described copper bar are spirally connected by bolt and are fixed on the described locating piece; Described protective cover is hemispherical, covers at described junction block lug boss, and a hole is left at this protective cover top, and described location spiral pin is spirally connected by its hole and described junction block protruding end; Described protective cover one side is established two openings, its opening respectively with two copper bar sockets of described left contact tail or described right contact tail.

Above-mentioned conductive strips are made up of the multi-layer thin copper sheet, and the flexibility of its conductive strips is greater than 360 °; Described conductive strips one end is spirally connected described left contact tail and described right contact tail with conductive pressing plate by 4-6 frame strap bolt with the inboard compression type of its described junction block column that is connected respectively; The described conductive strips other end is spirally connected itself and described binding post vertical column outside compression type by 2-5 axle strap bolt and conductive strips pressing plate; The plane compression type that is connected to of described binding clip and described binding post is spirally connected.

In order to realize purpose of the present invention, the utility model also adopts another kind of technical scheme, a kind of outdoor high-voltage isolating switch, it comprises left contact, right contact, the junction block that joins respectively with left contact and right contact, binding post, the conductive strips and the protective cover that are connected with binding post with left contact, right contact, junction block, it is characterized in that: described right contact is that two right copper bars and a contact combinations form, its curved tubulose in contact head both sides, afterbody extend in parallel and with anterior overlapping joining of described two right copper bars; Described two right copper bars are parallel shape, be folded with locating piece between its front portion, middle part surface is provided with the drum that rises from inside to outside, afterbody is 90 ° of interior doublings of angle each other, and its corner is provided with the drum that rises from inside to outside, and two flat copper end exhausting part joints leave opening, described right copper bar is anterior to be provided with 4-6 hole respectively with overlapping place, described contact rear portion, wherein, the anterior hole that is provided with of described right copper bar is a circular hole, and the hole that described contact rear portion is provided with is a slotted hole; By bolt described right copper bar, described contact and described locating piece are fixed as one, the slotted hole that is provided with by the contact rear portion and the fixed form of the circular hole of the anterior setting of right copper bar are in order to regulate the length of this right side contact; Described left contact is that two left copper bars that be arranged in parallel, two fingertip sheets and its positioning element assemble, the outside starting the arc of described fingertip sheet head, starting the arc position is cut with a plurality of openings, and afterbody extends in parallel, and its extending part and described left copper bar are anterior overlapping and affixed with described positioning element; Article two, left copper bar is parallel shape, and its middle part surface is provided with the drum that rises from inside to outside, and afterbody is 90 ° of interior doublings of angle each other, and its corner is provided with the drum that rises from inside to outside, and two left copper bar afterbody joints leave opening; Described left copper bar is anterior to be provided with 4-6 hole with described fingertip sheet afterbody overlapping is corresponding respectively, wherein, the anterior hole that is provided with of described left copper bar is a slotted hole, the hole that described fingertip sheet rear portion is provided with is a circular hole, by set bolt described left copper bar and its fingertip sheet and described positioning element are fixed as one, by the fixed form that anterior slotted hole that is provided with of left copper bar and fingertip sheet rear portion are provided with circular hole, the length of regulating this left side contact.

Above-mentioned positioning element comprises locating piece, insulation board and two flat spring pressing plates, and described insulation board is the multi-disc setting; Wherein, locating piece is located between described two left copper bar front portions that be arranged in parallel, the multi-disc insulation board is with the folded respectively outside that falls within two copper bars of condition of equivalent thickness, two flat spring pressing plates lay respectively at the described insulation board outside, the outside of described spring bearer plate is equipped with set bolt, and location slotted hole and described locating piece that its set bolt passes on described spring bearer plate, insulation board and the described left copper bar are spirally connected.

Above-mentioned right copper bar rear portion and described left copper bar rear portion are equipped with bent angle in the same way, and its camber is 155 °; Described left contact tail and described right contact tail are connected with the vertical component of described C shape junction block is inboard by described conductive strips; Described junction block side-looking is a C shape, and the junction block bottom is overlooked and is garden sheet shape.Its openend is established the hole, is provided with the location spiral pin in the hole, is positioned at described junction block bottom and is connected with quiet ground cutter fingertip.

Above-mentioned connected binding post of C shape junction block and protective cover can be provided with two kinds of structure settings.

One: C shape junction block top is provided with projection, and upper and lower settings is divided in the hole of described openend, the location spiral pin in its upper end hole from top to bottom break-through in described projection; From bottom to top break-through is in sheet shape center, described garden in its lower end, and described binding post is L shaped, and the upper and lower side of its column establishes the hole and described location spiral pin is connected, and place, plane, described binding post base is affixed with a binding clip plane; Described protective cover is hemispherical, is sheathed on described being provided with on the protruding junction block, and a hole is left at its top, is spirally connected by described location spiral pin and described protruding end; Two openings are established in described protective cover side, its opening respectively with described left copper bar afterbody or the socket of described right copper bar afterbody; Described conductive strips lay respectively between described left contact tail and right contact tail connected junction block vertical component inboard and the L shaped binding post column.

Its two: C shape junction block top is plane, and its top center is provided with through hole, and an oilite bushing is installed in the hole, and the lower end centre bit of described openend installs the hole; Described binding post is formed by the conducting rod and the terminals combination of a cylindricality; This conducting rod upper end is connected with described terminals, and the middle part of conducting rod is passed described oilite bushing and is mated connection, and its center, lower end is established the hole and is connected by described location spiral pin and junction block; Described protective cover is the tubular of flat-top, the logical hole of establishing in its top center place, and the internal diameter of hole is greater than the external diameter of described conducting rod and be arranged in described conducting rod; This protective cover side is established an opening at least, its opening respectively with described left copper bar afterbody or described right copper bar afterbody and its junction block joint socket separately; Described conductive strips lay respectively between described left contact tail and right contact tail connected junction block vertical component inboard and the conducting rod.

Above-mentioned conductive strips are made up of the multi-layer thin copper sheet, and the flexibility of its conductive strips is greater than 360 °; Conductive strips one end is by the wicking shaped by fluid pressure and establish the hole, left copper bar afterbody and right copper bar afterbody is spirally connected with the inboard compression type of its junction block column that is connected respectively with the conductive strips pressing plate by 4-6 frame strap bolt; The conductive strips other end is spirally connected itself and binding post or conducting rod vertical column inboard compression type by 2-5 axle strap bolt and conductive strips pressing plate; Be spirally connected for the plane compression type between binding clip and the binding post.

The utility model adopts above technical scheme, and its beneficial effect is as follows:

1, the structural design novelty of right contact of the present utility model, left contact, junction block, conductive strips, binding post and protective cover, one, right contact can be a copper bar bending and form, and also can adopt contact and two two kinds of versions that copper bar combines; Left side contact is by the combination of two copper bars and fixed part, the integral structure form that also can adopt two fingertip sheets and two left copper bars and fixed part to combine; Junction block is structure as a whole; Binding post can be made as integrative-structure, also can adopt the connection terminal structure that is joined by conducting rod and terminals; Hemispherical protective cover and flat-top tubular protective cover, compared with prior art, in the high voltage isolator, the contact point between its parts reduces, thereby has reduced the temperature rise value that causes because of its contact.Its two, the folder of fixed part is established in the left contact, particularly is provided with the multi-disc insulation board that can increase and decrease, and by regulating the thin and thick of insulation board, adjusts the contact pressure when closing a floodgate, and can guarantee the stability and safety of energising when it closes a floodgate.Its three, conductive strips one end is spirally connected left copper bar afterbody and right copper bar afterbody by frame strap bolt and conductive strips pressing plate with the inboard compression type of its junction block column that is connected respectively; The conductive strips other end is spirally connected itself and binding post or the inboard compression type of conducting rod vertical column by axle strap bolt and conductive strips pressing plate; The mode that is spirally connected for the plane compression type between binding clip and the binding post effectively prevents shunting, has formed reliable conductive path, and the fingertip sheet and the right contact of left side contact closely touch when closing a floodgate to satisfy.Simultaneously, affixed at the fingertip sheet of left contact and left copper bar, fingertip sheet and fixed part; And affixed between the contact of split combination and the right copper bar, be respectively equipped with 4-6 hole, wherein, be made as slotted hole on contact and the left copper bar, be made as circular hole on right copper bar and the fingertip sheet, by bolt fingertip sheet and left copper bar or contact and right copper bar fixedly are spirally connected, when left contact and right contact need be regulated length, can unclamp set bolt, the moving long hole site, left contact is moved right, and then affixed, left contact general assembly is increased; Or unclamp set bolt, contact is moved to the left, and then affixed, right contact general assembly is increased; By regulating the length of left and right contact, can satisfy the demand of the actual installation of high porcelain vase; Solved in the existing converting equipment of China, because of the antifouling grade difference of the porcelain insulator of high voltage isolator, the different needs that right copper bar different length in left copper bar in the left contact and the right contact is required of height of porcelain insulator, with adapt to in the existing outdoor high-voltage isolating switch equipment to the demand of conducting loop structure transformation.

2, the utility model is equipped with ground cutter fixed contact in the junction block two bottom sides that is wholely set, the ground cutter moving contact that matches with ground cutter fixed contact can be spent by flip vertical 90, can guarantee when earthed switch separating brake or combined floodgate, this high voltage isolator can realize that accurately flexibly for a long time three-phase closes a floodgate simultaneously and separating brake action simultaneously, can satisfy the required mechanical strength of its high voltage isolator; This installation form ground cutter fixed contact is direct and that the junction block bottom is affixed can be complementary with switchgear plant's same category of device, is specially adapted to the structure of modification of existing outdoor high-voltage isolating switch equipment.

3, the utility model adopts at left contact middle part and has processed drum respectively from inside to outside with the surface, the parallel place of copper bar at right contact middle part, also processed drum respectively in left contact tail and right contact tail corner, play the mechanical strength that has increased left contact and right contact that is provided with of drum, simultaneously, the right contact of above-mentioned moulding and left contact tail all are spirally connected the afterbody of its copper bar, conductive strips, the conductive strips pressing plate compression type set up under the support of junction block, realize that its plane contact closely cooperates.

4, the utility model protective cover adds, can guarantee the cleaning of junction block and its binding post junction, safe and reliable when touching, the screw at protective cover top and the setting of lateral opening, can guarantee affixed the stablizing in its protective cover and left contact tail or right contact tail joint, can prevent that extreme natural environment is to its infringement that causes; Be convenient to simultaneously safeguard that guarantee that it can prevent Exposure to Sunlight, drench with rain, prevent dust etc., the minimizing environment prolongs its useful life to the infringement of high-voltage electrical equipment; The protective cover outward appearance is made as red, yellow, green three looks, is convenient to differentiate circuit and beautifies the environment, and is convenient to dismantle the icing breaking-closing operating that influences of snow defence.

5, ground connection cutter operating control device of the present utility model, on this high voltage isolator body, on the basis of existing technology, level turns clockwise 90 °, it is parallel with ground cutter fixed contact to form left contact, when being closed a floodgate with ground cutter fixed contact, its ground cutter moving contact closely cooperates, utilize this structure, out of doors under the high voltage isolator normal operating conditions, can not cause ground cutter moving contact and ground cutter fixed contact to disengage because of the influence of extraneous factors such as strong wind, earthquake or electric power, cause ground short circuit to cause fault to take place.

6, the utility model moulding process is simple, novel structure, and easy operating is convenient to assembling and is safeguarded that applicability is wide, can be at-40 ℃ to+40 ℃, the ice covering thickness that 20mm freezes, and serious industrial pollution and salt gather environment and highlands use; Can satisfy the technical conditions of 20 years freedom from repairs, be easy to promotion and implementation.

Description of drawings

Fig. 1 is the single-phase galvanic circle assembling schematic diagram of the utility model embodiment one

Fig. 2 is the vertical view of Fig. 1

Fig. 3 is the single-phase galvanic circle assembling schematic diagram of the utility model embodiment two

Fig. 4 is the vertical view of Fig. 3

Fig. 5 is the protective roof structure schematic diagram of embodiment one and embodiment two

Fig. 6 is the vertical view of Fig. 5

Fig. 7 is the junction block structural representation of embodiment one and embodiment two

Fig. 8 is a L type connection terminal structure schematic diagram

Fig. 9 is the single-phase galvanic circle assembling schematic diagram of embodiment three

Figure 10 is the vertical view of Fig. 9

Figure 11 is the protective roof structure schematic diagram of embodiment three

Figure 12 is the vertical view of Figure 11

Figure 13 is the junction block structural representation of embodiment three

Figure 14 is the conducting rod structural representation

Figure 15 is the threephase switch general assembly interlock schematic diagram of embodiment one

Figure 16 is embodiment one a single-phase scheme of installation

Embodiment

Embodiment one:

The outdoor high-voltage isolating switch that the utility model relates to, as shown in Figure 1 and Figure 2, it is by left contact 1, right contact 2, spring bearer plate 3, insulation board 4, locating piece 5, axle strap bolt 6, set bolt 7, L type binding post 8, protective cover 9-1, conductive strips 10, junction block 11-1, frame strap bolt 12, location spiral pin 13, cutter fixed contact 24, quiet ground bolt 25, axle band pressing plate 26 and frame band pressing plate 27 compositions.

Wherein, right contact 2 is by the middle part bending and forming of a copper bar, form the contact of the curved tubulose in head both sides, the two ends of copper bar are parallel extends to the right, form two parallel copper bars, the surface of parallel copper bar is processed with the drum that rises from inside to outside respectively, and the afterbody of this copper bar is 90 ° of interior doublings of angle each other, process from inside to outside the drum that rises respectively at bending part, the head and the tail joint of this copper bar leaves opening; Also to add a positioning block 5 between two parallel copper bars at this contact middle part, right side, by bolt that copper bar top and bottom and this locating piece 5 are affixed, be shaped to the right contact general assembly of integrative-structure.

Left side contact 1 is assembled by two left copper bar and fixed parts that be arranged in parallel, and two left copper bar heads are through the moulding process outside starting the arc respectively, and starting the arc place of copper bar is cut a plurality of openings and formed fingertip; The middle part of copper bar extends in parallel left, and its surface is processed with the drum that rises from inside to outside respectively, and the copper bar afterbody is 90 ° of inside doublings each other, and the corner is processed with the drum that rises from inside to outside respectively, and its joint leaves opening;

Fixed part is locating piece 5, insulation board 4, spring bearer plate 3 and set bolt 7, locating piece 5 is between the copper bar front portion that 1 two of left contacts extend in parallel, insulation board 4 is attached at the outside at two the copper bar parallel places corresponding with locating piece 5, spring bearer plate 3 is attached at the outside of insulation board 4, use set bolt 7 then, fix as one from the outside of spring bearer plate 3 with spring bearer plate 3, insulation board 4, two parallel copper bars and locating piece 5; Wherein, insulation board 4 is some, and the thickness of the insulation board 4 of the exclusive side of two flat coppers is identical, and the quantity of the insulation board 4 of thin and thick by increasing and decreasing both sides simultaneously realizes, can also adjust contact pressure when closing a floodgate by increase and decrease insulation board 4.

Be positioned at two copper bar middle parts that extend in parallel ground cutter fixed contact 24 also is installed, by the Sheet Metal Forming Technology moulding, its underpart is a blade-like to ground cutter fixed contact 24 by two copper bars; Match with the middle part external form of its left contact 1 copper bar in the top of ground cutter fixed contact 24, the middle part of left contact 1 copper bar is equipped with locating piece 5 with cutter fixed contact 24 joints, ground, with set bolt 25 ground cutter fixed contact 24 is fixedlyed connected with the middle part of left contact 1 copper bar.

Above-mentioned left contact 1, spring bearer plate 3 are by the Sheet Metal Forming Technology moulding, and spring bearer plate 3 is made through heat treatment and surface-treated material by high-quality manganese steel, and locating piece 5 is formed by the casting process machine work, Gu and form left contact general assembly.

As Fig. 1, Fig. 2, Fig. 7, shown in Figure 8, junction block 11-1 is the C shape, whenever failing to agree contact 1, right contact 2 afterbodys is connected with junction block 11-1 respectively, upper and lower side perforate along junction block 11-1 center open side, its top, upper end is provided with projection, the upper end has through hole with its high spot, and location spiral pin 13 upwards is provided with downwards by the protruding end top; With the corresponding lower end perforate of junction block 11-1 upper end through hole, the location spiral pin in following stomidium break-through from bottom to top is provided with location spiral pin 13 in described junction block 11-1 bottom centre in it; Binding post is L shaped binding post 8, and the location spiral pin 13 that the upper and lower side of L shaped binding post 8 columns is established Kong Yuqi junction block 11-1 upper and lower side is connected, and its L shaped binding post 8 can be rotated flexibly at the center position of junction block 11-1; The parallel portion site surface perforate of L shaped binding post 8 and a binding clip are spirally connected its face compression type by a plurality of screws;

Conductive strips 10 are pressed through both sides wicking, perforate by the multi-layer thin copper sheet and form, can rotate more than 360 ° flexibly, conductive strips 10 are every to set up two mutually separately, is connected between left contact 1 afterbody and right contact 2 afterbodys and the junction block 11-1 and L shaped binding post 8 that it is connected separately;

One end of conductive strips 10 is spirally connected left contact tail and described right contact tail with frame band pressing plate 26 by 4-6 frame strap bolt 6 with the inboard compression type of its junction block 11-1 column that is connected respectively; The other end of conductive strips 10 is spirally connected by the vertical position compression type of 2-5 axle strap bolt 12 and axle band pressing plate 27 and described binding post 8; The plane compression type that is connected to of binding clip and L shaped binding post 8 is spirally connected; Realizing that conductive strips 10 and L shaped binding post 8, left contact 1 and right contact 2 contact with face between the junction block 11-1 closely cooperates.When "on" position, 10 one-tenth " U " shapes of conductive strips, on the contrary be helicoid, utilize this structure to efficiently solve leading-out terminal frangibility, conductive strips tomography and the heating that causes, blow the problem that fault such as be flexible coupling takes place, effectively strengthened electric conductivity.

As Fig. 1, Fig. 2, Fig. 5, shown in Figure 6, protective cover 9-1 is that cylinder is full of shape, cover is buckled in the junction block 11-1 top that is connected with L shaped binding post 8, and a through hole is established at its top, and location spiral pin 13 is spirally connected by its hole and junction block 11-1 protruding end protective cover 9-1 is fixed on the junction block 11-1; Protective cover 9-1 is every to be provided with two mutually, be set with in left contact 1 afterbody and with junction block 11-1 that right contact 2 afterbodys are connected on, protective cover 9 has two breach in a side of joining with left contact 1 afterbody and right contact 2 afterbodys, its two breach is socketed on two parallel copper bars of left contact 1 afterbody and right contact 2 afterbodys, and left contact 1 afterbody and right contact 2 afterbodys and its junction block 11-1 joint cover separately are buckled in the protective cover 9-1.The setting of protective cover 9-1, make switch of the present utility model can prevent Exposure to Sunlight, drench with rain, prevent dust etc., reduce the infringement of environment, guarantee when the junction block 11-1 of high voltage isolator and L shaped binding post 8 touch safe and reliable high-voltage electrical equipment, be convenient to simultaneously safeguard, can prolong its useful life.

The outward appearance of protective cover 9-1 can be made as redness, yellow and green three looks, is beneficial to differentiate circuit and beautify the environment, and is convenient to dismounting, can play simultaneously preventing to influence the effect of breaking-closing operating because of sleet freezes.

As shown in Figure 1 and Figure 2, outdoor high-voltage isolating switch of the present utility model is connected with the control device of habitually practising by the ground cutter fixed contact of installing in the middle part of the copper bar that extends in parallel 1 two of left contacts 24.

Embodiment two:

This product is a GW5GA type outdoor high-voltage isolating switch, and as shown in Figure 3, Figure 4, basic structure is identical with embodiment one.

Its difference is: right contact 2 is that two right copper bars 15 and a contact combinations form, the curved tubulose of its contact front part sides, the rear portion extend in parallel and with 15 anterior overlapping joining of two right copper bars; Article two, right copper bar 15 is parallel shape, is folded with locating piece 5 between its front portion, and the overlapping and the locating piece 5 of its contact rear portion and two right copper bar 15 front portions are affixed; Be the right side that the length that extends at the contact rear portion is longer than locating piece 5, the length that extend at the contact rear portion is provided with 4-6 slotted hole; Right copper bar 15 anterior left sides of being longer than locating piece 5 with contact rear portion overlapping part, its right copper bar 15 is anterior to be provided with 4-6 circular hole with contact rear portion overlapping is also corresponding; At its slotted hole place, by set bolt 7 right copper bar 15, contact 2 fixedly is spirally connected and is one with deciding piece position 5, be shaped to the right contact general assembly of integrative-structure.Right copper bar 15 can make the length of this right side contact prolong, to adapt to the installation requirements of differing heights porcelain insulator by the adjusting of slotted hole.

Left side contact 1 assembles for the left copper bar of two of be arrangeding in parallel 14, two fingertip sheets and its positioning element, the outside starting the arc of fingertip sheet head, starting the arc position is cut with a plurality of openings, afterbody extends in parallel, and its extending part and left copper bar 14 are anterior overlapping and affixed with locating piece 5, insulation board 4 and two flat spring pressing plates 3; Be the left side that length that fingertip sheet afterbody extends in parallel is longer than locating piece 5, the length that fingertip sheet afterbody extends is provided with 4-6 hole; The right side that a left side copper bar 14 heads and fingertip sheet afterbody overlapping part are longer than locating piece 5, its left copper bar 14 is corresponding with fingertip sheet afterbody overlapping to be provided with 4-6 slotted hole; At its slotted hole place, by set bolt 7 left copper bar 14, fingertip sheet insulating press boards 4, spring bearer plate 3 fixedly is spirally connected and is one with deciding piece position 5, be shaped to the left contact general assembly of integrative-structure.Left side copper bar 14 can make the length of this left side contact prolong, to adapt to the installation requirements of differing heights porcelain insulator by the adjusting of slotted hole.

Above-mentioned right copper bar 15 rear portions and left copper bar 14 rear portions are equipped with bent angle in the same way, and its camber is 155 °.

Ground cutter fixed contact 14 is not installed at the middle part of left side contact 1 copper bar, but be separately installed with ground cutter stationary seat 16 in the bottom of the bottom of the junction block 11-1 that is connected with left contact 1 afterbody and the junction block 11-1 that is connected with right contact 2 afterbodys, quiet ground cutter fingertip 17 is installed on quiet ground tool rest 16, be folded with fingertip pressing plate 18 between quiet ground tool rest 16 and the quiet ground cutter fingertip 17, fingertip stage clip 19 and insulation cushion 22, by quiet bolt 21 quiet ground tool rest 16 is passed through fingertip pressing plate 18, fingertip stage clip 19 is fixed as one with insulation cushion 22 and quiet ground cutter fingertip 17, location-plate 20 and is screwed onto on the quiet ground tool rest 16 between two quiet ground cutter fingertips 17.

As shown in Figure 3, Figure 4, the quiet ground cutter fingertip of installing respectively bottom the junction block 11-1 that outdoor high-voltage isolating switch of the present utility model passes through to be connected with right contact 2 afterbodys at left contact 1 afterbody 17 is connected with the control device of habitually practising.

Embodiment three:

The another kind of structure of outdoor high-voltage isolating switch GW5GA type, as Fig. 9, shown in Figure 10, its basic structure is identical with embodiment two.

Difference is: as Fig. 9, Figure 10, Figure 13 and shown in Figure 14, the top of junction block 11-2 is a flat-top, the center is established the hole, the hole installed inside has oilite bushing 28, relative perforate is located with the top center position in the bottom of junction block 11-2, be provided with a location spiral pin 13 in its hole, binding post is replaced by a cylindricality conducting rod 23 connected terminals; The middle part of cylindricality conducting rod 23 is positioned at oilite bushing 28 endoporus and is mated connection, its top is connected with terminals, the hole is established in the lower end and the interior location spiral pin 13 that is provided with of junction block 11-2 base apertures is connected, and its column conducting rod 23 can be rotated in junction block 11-2 flexibly.

As Fig. 9, Figure 10, Figure 11, shown in Figure 12, the top of protective cover 9-2 is plane, and its top center place is logical to establish a hole, is sheathed on cylindricality conducting rod 23 outsides and is mated connection, and use bolt; Protective cover 9-2 side has flatly, and its opening part is socketed on left copper bar 14 afterbodys and right copper bar 15 afterbodys and its junction block 11-2 joint separately respectively; According to product requirement, two mouths also can be opened in protective cover 9-2 side, are sheathed on respectively on left copper bar 14 afterbodys and two parallel copper bars of right copper bar 15 afterbodys.

One end of conductive strips 10 is spirally connected described left contact 14 afterbodys and described right contact 15 afterbodys with axle band pressing plate 26 by 4-6 frame strap bolt 6 with the inboard compression type of its junction block 11-2 column that is connected respectively; The other end of conductive strips 10 is spirally connected for the plane compression type with described conducting rod 23 by one 2-5 axle strap bolt 12 and axle band pressing plate 27; Realizing that conductive strips 10 and conductive strips 23, left copper bar 14 and right copper bar 15 contact with face between the junction block 11-2 closely cooperates.

Above-mentioned three embodiment are the outdoor high-voltage isolating switch of three kinds of structures of two kinds of models; it is explanation to technical solutions of the utility model; its technical scheme not only is confined to this, and all outdoor high-voltage isolating switchs identical with this structure all belong to the scope of the utility model protection.

General assembly example of the present utility model:

Threephase switch general assembly interlock adopts the twin columns horizontal centre to cut-off the formula structure, as shown in figure 16, is a kind of three-phase alternating current 50Hz high-tension circuit carries out the usefulness of commutation circuit and electrical isolation under immunization with gD DNA vaccine power transmission and transforming equipment that is used for.

Three high pressure that link separate the pass as shown in figure 15: current-carrying part is by porcelain insulator and the combination of three-phase interlock operating control device.And main, the cutter operating mechanism, be installed on the steel bracket that presets the open air.

Running part: adopt the unitization design, can adapt to the interlock layout of user's variety of way and the installation of operating mechanism.Desire to stay multiple installing hole, the utmost point for power plant retrofit, reconstruction and be convenient to install, the bearing in the bearing pedestal of the prior art adopts the high strength oilite bushing, satisfies the technical conditions of 20 years freedom from repairs.

Claims

1, a kind of outdoor high-voltage isolating switch, it comprises left contact, right contact, the junction block that joins respectively with left contact and right contact, binding post, the conductive strips and the protective cover that are connected with binding post with left contact, right contact, junction block, it is characterized in that: described right contact is an integrative-structure that the copper bar bending forms, its curved tubulose in head both sides, the middle part extends in parallel, and it extends in parallel and forms two copper bars; Article two, be folded with locating piece between the copper bar front portion, the copper bar surface at middle part is provided with the drum that rises from inside to outside, and afterbody is 90 ° of interior doublings of angle each other, and its corner is provided with the drum that rises from inside to outside, and described copper bar joint end to end leaves opening; Described left contact is assembled by two copper bars that be arranged in parallel and its positioning element, wherein, the outside starting the arc of two flat copper file leader portions, starting the arc position is cut with a plurality of openings and forms fingertip; The middle part is parallel to each other, and its parallel surface is provided with the drum that rises from inside to outside; Afterbody is 90 ° of interior doublings of angle each other, and its corner is provided with the drum that rises from inside to outside, and the afterbody joint of described copper bar leaves opening.

2, outdoor high-voltage isolating switch according to claim 1 is characterized in that: described positioning element comprises locating piece, insulation board and two flat spring pressing plates, and described insulation board is the multi-disc setting; Wherein, locating piece is located between two parallel copper bars of described left contact middle part, the multi-disc insulation board is with the folded respectively outside that falls within two copper bars of condition of equivalent thickness, two flat spring pressing plates lay respectively at the described insulation board outside, the outside of described spring bearer plate is equipped with set bolt, and its set bolt passes described spring bearer plate, insulation board and described copper bar and described locating piece is spirally connected; Described junction block is a C shape, and its openend is established the hole, is provided with the location spiral pin in the hole.

3, outdoor high-voltage isolating switch according to claim 2, it is characterized in that: described C shape junction block top is provided with projection, upper and lower settings is divided in the hole of described openend, location spiral pin in its upper end hole from top to bottom break-through in described projection, its down the location spiral pin in stomidium from bottom to top break-through in described junction block bottom; Described binding post is L shaped, and the upper and lower side of its column establishes the hole and described location spiral pin is connected, and place, plane, described binding post base is affixed with a binding clip plane; Described conductive strips lay respectively between described left contact tail and right contact tail connected junction block vertical component inboard and the L shaped binding post column.

4, according to claim 1 or 2 or 3 described outdoor high-voltage isolating switchs, it is characterized in that: be connected with the ground cutter fixed contact that a head is a blade-like on two copper bars at described left contact middle part, this ground cutter fixed contact is made as two, cooperate with the exclusive side surface of its two flat copper respectively, article two, the inboard folder of copper bar is established a positioning block, and described ground cutter fixed contact and described copper bar are fixed on the described locating piece by bolt; Described protective cover is hemispherical, covers at described junction block lug boss, and a hole is left at this protective cover top, and described location spiral pin is spirally connected by its hole and described junction block protruding end; Described protective cover one side is established two openings, its opening respectively with two copper bar sockets of described left contact tail or described right contact tail.

5, a kind of outdoor high-voltage isolating switch, it comprises left contact, right contact, the junction block that joins respectively with left contact and right contact, binding post, the conductive strips and the protective cover that are connected with binding post with left contact, right contact, junction block, it is characterized in that: described right contact is that two right copper bars and a contact combinations form, its curved tubulose in contact head both sides, afterbody extend in parallel and with anterior overlapping joining of described two right copper bars; Described two right copper bars are parallel shape, be folded with locating piece between its front portion, middle part surface is provided with the drum that rises from inside to outside, afterbody is 90 ° of interior doublings of angle each other, and its corner is provided with the drum that rises from inside to outside, and two flat copper end exhausting part joints leave opening, described right copper bar is anterior to be provided with 4-6 hole respectively with overlapping place, described contact rear portion, wherein, the hole of described right copper bar front portion is a circular hole, and the hole at described contact rear portion is a slotted hole; By set bolt described right copper bar, described contact and described locating piece are fixed as one; Described left contact is that two left copper bars that be arranged in parallel, two fingertip sheets and its positioning element assemble, the outside starting the arc of described fingertip sheet head, starting the arc position is cut with a plurality of openings, and afterbody extends in parallel, and its extending part and described left copper bar are anterior overlapping and affixed with described positioning element; Article two, left copper bar is parallel shape, and its middle part surface is provided with the drum that rises from inside to outside, and afterbody is 90 ° of interior doublings of angle each other, and its corner is provided with the drum that rises from inside to outside, and two left copper bar afterbody joints leave opening; Described left copper bar is anterior to be provided with 4-6 hole with overlapping place, described fingertip sheet rear portion is corresponding respectively, wherein, the hole of described left copper bar front portion is a slotted hole, and the hole at described fingertip sheet rear portion is a circular hole, by set bolt described left copper bar and its fingertip sheet and described positioning element is fixed as one.

6, outdoor high-voltage isolating switch according to claim 5 is characterized in that: described positioning element comprises locating piece, insulation board and two flat spring pressing plates, and described insulation board is the multi-disc setting; Wherein, locating piece is located between described two left copper bar front portions that be arranged in parallel, the multi-disc insulation board is with the folded respectively outside that falls within two copper bars of condition of equivalent thickness, two flat spring pressing plates lay respectively at the described insulation board outside, and location slotted hole and described locating piece that described set bolt passes on described spring bearer plate, insulation board and the described left copper bar are spirally connected.

7, according to claim 5 or 6 described outdoor high-voltage isolating switchs, it is characterized in that: described right copper bar rear portion and described left copper bar rear portion are equipped with bent angle in the same way, and its camber is 155 °; Described junction block is a C shape, and its openend is established the hole, is provided with the location spiral pin in the hole; Described C shape junction block bottom is connected with quiet ground cutter fingertip.

8, outdoor high-voltage isolating switch according to claim 7 is characterized in that: described C shape junction block top is provided with projection, and upper and lower settings is divided in the hole of described openend, the location spiral pin in its upper end hole from top to bottom break-through in described projection; Described binding post is L shaped, and the upper and lower side of its column establishes the hole and described location spiral pin is connected, and place, plane, described binding post base is affixed with a binding clip plane; Described protective cover is hemispherical, is sheathed on described being provided with on the protruding junction block, and a hole is left at its top, is spirally connected by described location spiral pin and described protruding end; Two openings are established in described protective cover side, its opening respectively with described left copper bar afterbody or the socket of described right copper bar afterbody; Described conductive strips lay respectively between described left contact tail and right contact tail connected junction block vertical component inboard and the L shaped binding post column.

9, outdoor high-voltage isolating switch according to claim 7 is characterized in that: described C shape junction block top is made as plane, and its planar central is provided with through hole, and an oilite bushing is installed in the hole, and the lower end bottom centre of described openend establishes the hole; Described binding post is formed by the conducting rod and the terminals combination of a cylindricality; This conducting rod upper end is connected with described terminals, and the middle part of conducting rod is passed described oilite bushing and is mated connection, and its lower end is established the hole and is connected by described location spiral pin and junction block; Described protective cover is the tubular of flat-top, the logical hole of establishing in its top center place, and the internal diameter of hole is greater than the external diameter of described conducting rod and be arranged in described conducting rod; This protective cover side is established an opening at least, its opening respectively with described left copper bar afterbody or described right copper bar afterbody and its junction block joint socket separately; Described conductive strips lay respectively between described left contact tail and right contact tail connected junction block vertical component inboard and the described conducting rod.

10, high voltage isolator according to claim 4, its feature with: described conductive strips are made up of the multi-layer thin copper sheet, and the flexibility of its conductive strips is greater than 360 °; Described conductive strips one end is spirally connected described left contact tail and described right contact tail with conductive pressing plate by 4-6 frame strap bolt with the inboard compression type of its described junction block column that is connected respectively; The described conductive strips other end is spirally connected itself and described binding post vertical column outside compression type by 2-5 axle strap bolt and conductive strips pressing plate; The plane compression type that is connected to of described binding clip and described binding post is spirally connected.

11, high voltage isolator according to claim 8, its feature with: described conductive strips are made up of the multi-layer thin copper sheet, and the flexibility of its conductive strips is greater than 360 °; Described conductive strips one end is spirally connected described left contact tail and described right contact tail with conductive pressing plate by 4-6 frame strap bolt with the inboard compression type of its described junction block column that is connected respectively; The described conductive strips other end is spirally connected itself and described binding post vertical column outside compression type by 2-5 axle strap bolt and conductive strips pressing plate; The plane compression type that is connected to of described binding clip and described binding post is spirally connected.

12, outdoor high-voltage isolating switch according to claim 9 is characterized in that: described conductive strips are made up of the multi-layer thin copper sheet, and the flexibility of its conductive strips is greater than 360 °; Described conductive strips one end is spirally connected described left contact tail and described right contact tail with conductive pressing plate by 4-6 frame strap bolt with the inboard compression type of its described junction block column that is connected respectively; The described conductive strips other end is spirally connected itself and described conducting rod compression type by 2-5 axle strap bolt and conductive strips pressing plate; The cambered surface compression type that is connected to of described binding clip and described conducting rod is spirally connected.