CN208385895U - A kind of busbar arrangement structure for longitudinal rotary high-tension switch cabinet - Google Patents

Abstract

The utility model discloses a kind of busbar arrangement structures for longitudinal rotary high-tension switch cabinet, it include switch cabinet, longitudinal rotary breaker, A phase main bus-bar, B phase bus, C phase main bus-bar and three stationary contact head cartridge groups, wherein, B phase bus includes B phase main bus-bar and B phase branch bar；A phase main bus-bar, B phase main bus-bar and C phase main bus-bar are fixed on switch cabinet in triangular shape arrangement；It further include having for respectively corresponding three groups of insulation fixation kits for fixing three main bus-bars；Any one group of insulation fixation kit includes insulator and fixing seat；The fixed effect of support is played to each main bus-bar by insulator, to greatly improve structural rigidity, stability and the intensity that each main bus-bar is connect with switch cabinet.

Description

A kind of busbar arrangement structure for longitudinal rotary high-tension switch cabinet

Technical field

The utility model relates to high-tension switch cabinet technical field, more particularly, to a kind of for longitudinal rotary high-tension switch cabinet Busbar arrangement structure.

Background technique

The conversion of the extensible component test position of conventional hand trucks formula switchgear and operating position mostly uses front and back both at home and abroad Move mode, such as KYN28-12 are the typical structures of this back-and-forth motion；Such move mode makes disposable separating plug It is switched off device operating mechanism to block and can not observe, entire grafting process is in the state of " blindmate "；Traditional handcart-type is opened The main bus-bar for closing cabinet is typically located at the rear portion of cabinet body, and phase sequence A, B, C three-phase are arranged or gone to upper and lower L by upper, middle and lower Shape layout；This structure must use branch bar transition and insulating supporting to be just able to achieve main bus-bar and circuit breaker cart socket Electrical connection；It is above-mentioned for handcart switch cabinet there are the shortcomings that, bring great security risk to supply network, simultaneously as The reason of volume is larger and structure is complicated, is also unfavorable for marketing.

And in order to solve this problem, present popularity uses longitudinal rotary switchgear, i.e., is made by way of rotation The pole of breaker and three-phase bus are disconnected or are closed, and specifically can refer to that notification number is CN203859433U and notification number is The Chinese patent of CN2591812Y；The layout of the three-phase main bus-bar of this longitudinal rotary switchgear is all the horizontal row before, during and after Column arrangement in switch cabinet, this arrangement is there is structural soundness, intensity is poor and it is low to resist electric power ability The problem of, and be typically due to by the lesser limitation in the indoor space of bus, the spacing between three-phase main bus-bar is less, greatly Difficulty is caused to the improvement of main bus-bar fixed structure, so reasonable main bus-bar layout is present technical problem urgently to be solved.

Utility model content

In view of the deficiencies of the prior art, the purpose of this utility model is to provide a kind of rationally distributed, intensity and rigidity height The busbar arrangement structure for longitudinal rotary high-tension switch cabinet.

To achieve the above object, a kind of scheme provided by the utility model are as follows: bus for longitudinal rotary high-tension switch cabinet Layout structure includes switch cabinet, longitudinal rotary breaker, A phase main bus-bar, B phase bus, C phase main bus-bar and stationary contact head cartridge Group, wherein the B phase bus includes B phase main bus-bar and B phase branch bar；The longitudinal rotary breaker includes by after in preceding Horizontally arranged three-phase pole；The stationary contact head cartridge group includes there are three stationary contact head cartridge, wherein three stationary contact head cartridges also press before in It is horizontally arranged afterwards to be fixed in switch cabinet and respective static contact mutually switchs cooperation with the three-phase pole respectively；The A phase Main bus-bar, B phase main bus-bar and C phase main bus-bar are fixed on switch cabinet in triangular shape arrangement, wherein C phase main bus-bar and A phase Main bus-bar is directly respectively corresponded to be electrically connected with former and later two stationary contact head cartridges, and the B phase main bus-bar is located at A phase main bus-bar It is electrically connected by B phase branch bar in intermediate stationary contact head cartridge with the top of C phase main bus-bar；It further include having for distinguishing Corresponding three groups of insulation fixation kits for fixing three main bus-bars；Any one group of insulation fixation kit includes insulator and fixation Seat, wherein one end of insulator is mutually fixedly connected with corresponding main bus-bar, and the other end is fixed on switchgear by fixing seat On body.

Further, the fixing seat is bent plate.

Compared with the prior art, the utility model has the beneficial effect that playing support fixation to each main bus-bar by insulator Effect, and B phase main bus-bar is adjusted to top and plays the role of connecting stationary contact head cartridge by newly-increased B phase branch bar, to make Spacing between three-phase main bus-bar becomes larger, there are enough spaces to each main bus-bar be arranged corresponding insulation fixation kit with Structural rigidity, stability and intensity that each main bus-bar is connect with switch cabinet are greatly improved, to reach the electricity of switchgear Gas performance requirement solves longitudinal rotary switchgear main bus structure built on the sand, and intensity is insufficient and since the arrangement of bus is by space Limit the problem that can not be more consolidated.

Detailed description of the invention

Fig. 1 is the side structure schematic view of the utility model.

Fig. 2 is the partial structural diagram of the utility model.

Fig. 3 is the main view of the utility model.

Wherein, 1- switch cabinet, 2- longitudinal rotary breaker, 3-A phase main bus-bar, 4-B phase main bus-bar, 41-B phase branch are female Line, 5-C phase main bus-bar, 6- stationary contact head cartridge, 7- three-phase pole, 8- insulator, 9- fixing seat.

Specific embodiment

The utility model is described in further detail combined with specific embodiments below:

Referring to shown in attached drawing 1 to attached drawing 3, the utility model is a kind of busbar arrangement knot for longitudinal rotary high-tension switch cabinet Structure, include switch cabinet 1, the longitudinal rotary breaker 2(longitudinal rotary breaker 2 be this field in published device, can refer to Chinese patent notification number is CN2583800Y), A phase main bus-bar 3, B phase bus, C phase main bus-bar 5 and 6 groups of stationary contact head cartridge, In, B phase bus includes B phase main bus-bar 4 and B phase branch bar 41；Specifically, which divides from top to bottom It is divided into bus-bar room, breaker chamber and cable vault, wherein A phase main bus-bar 3, B phase bus and C phase main bus-bar 5 pass through respectively The sleeve through walls being preset with, which runs through, to be fixed on the side plate of bus-bar room, and longitudinal rotary breaker 2 is then to be mounted on breaker On room, 6 groups of the stationary contact head cartridge is fixed between bus-bar room and breaker chamber by screw connection.

In the present embodiment, longitudinal rotary breaker 2 includes by horizontally arranged three-phase pole 7 after in preceding；Stationary contact head cartridge 6 Group includes there are three stationary contact head cartridge 6, wherein three stationary contact head cartridges 6 also by after in preceding it is horizontally arranged be fixed in switch cabinet 1 and Respective static contact mutually switchs cooperation with the moving contact of three-phase pole 7 respectively；A phase main bus-bar 3, B phase main bus-bar 4 and C phase are led Bus 5 is fixed on switch cabinet 1 in triangular shape arrangement, wherein C phase main bus-bar 5 and A phase main bus-bar 3 directly respectively correspond It is electrically connected with former and later two stationary contact head cartridges 6, and B phase main bus-bar 4 is located at A phase main bus-bar 3 and the top of C phase main bus-bar 5 passes through B phase branch bar 41 is electrically connected in intermediate stationary contact head cartridge 6；In this way, A phase main bus-bar 3, B phase main bus-bar 4 and C phase main bus-bar 5 is electrically connected by the three-phase pole 7 of respectively corresponding stationary contact head cartridge 6 and longitudinal rotary breaker 2 with by electric energy It is transferred in cable vault；Specifically, when longitudinal rotary breaker 2 is in vertical position, the moving contact of three-phase pole 7 is respectively with three The static contact of a stationary contact head cartridge 6 is in contact connection, belongs to "on" position at this time, A phase main bus-bar 3, B phase main bus-bar 4 and C phase are led The electric current of bus 5 can be transferred to cable vault by stationary contact head cartridge 6 and longitudinal rotary breaker 2, when longitudinal rotary breaker 2 is by vertical Position, which is rotated by 90 °, reaches horizontal position, at this time the moving contact of the three-phase pole 7 of longitudinal rotary breaker 2 and three stationary contact head cartridges 6 Static contact is that isolation disconnects, and belongs to gate-dividing state, the i.e. electricity of A phase main bus-bar 3, B phase main bus-bar 4 and C phase main bus-bar 5 at this time Stream can not be transferred to cable vault.

It in the present embodiment, further include having for respectively corresponding three groups of insulation fixation kits for fixing three main bus-bars；Appoint One group of insulation fixation kit of anticipating includes insulator 8 and fixing seat 9, wherein one end of insulator 8 and corresponding main bus-bar phase It being fixedly connected and (the fixed connection type of screw specifically can be used), the other end is fixed on switch cabinet 1 by fixing seat 9, Specifically, the connection type that the other end of insulator 8 can be used that screw is fixed or welded is connected with fixing seat 9, fixing seat 9 Also the connection type for being screwed or welding is adopted to be connected and fixed on the side plate of switch cabinet 1；By insulator 8 to each master Bus plays the fixed effect of support, and B phase main bus-bar 4 is adjusted to top and plays connection by newly-increased B phase branch bar 41 The effect of stationary contact head cartridge 6, so that the spacing between three-phase main bus-bar becomes larger, there are enough spaces to be arranged each main bus-bar Corresponding insulation fixation kit is to greatly improve structural rigidity, stability that each main bus-bar is connect with switch cabinet 1 and by force Degree, to reach the electrical performance demands of switchgear, solves longitudinal rotary switchgear main bus structure built on the sand, and intensity is insufficient And since the arrangement of bus by space is limited the problem that can not be more consolidated.

In the present embodiment, which is bent plate.

In addition, it should be noted that, the specific embodiments described in this specification, each section title etc. can not Together, all equivalent or simple changes done according to structure, feature and principle described in the concept of the patent of the utility model are included in this In the protection scope of utility model patent.Those skilled in the art of the present invention can be to described specific reality Example is applied to do various modifications or additions or be substituted in a similar manner, structure without departing from the utility model or Beyond the scope defined by this claim, it all should belong to the protection range of the utility model.

Claims (2)

1. a kind of busbar arrangement structure for longitudinal rotary high-tension switch cabinet, it is characterised in that: include switch cabinet (1), vertical Rotating breaker (2), A phase main bus-bar (3), B phase bus, C phase main bus-bar (5) and stationary contact head cartridge (6) group, wherein the B phase Bus includes B phase main bus-bar (4) and B phase branch bar (41)；The longitudinal rotary breaker (2) includes by horizontal row after in preceding The three-phase pole (7) of column；Stationary contact head cartridge (6) group includes that there are three stationary contact head cartridge (6), wherein three stationary contact head cartridges (6) It is fixed in switch cabinet (1) and respective static contact is mutually switched with the three-phase pole (7) respectively by horizontally arranged after in preceding Cooperation；The A phase main bus-bar (3), B phase main bus-bar (4) and C phase main bus-bar (5) are fixed on switch cabinet in triangular shape arrangement (1) on, wherein C phase main bus-bar (5) and A phase main bus-bar (3) directly respectively correspond and former and later two stationary contact head cartridges (6) phase electricity Connection, and the B phase main bus-bar (4) is located at A phase main bus-bar (3) and the top of C phase main bus-bar (5) passes through B phase branch bar (41) it is electrically connected in intermediate stationary contact head cartridge (6)；It further include having to fix three groups of three main bus-bars for respectively corresponding Insulate fixation kit；Any one group of insulation fixation kit includes insulator (8) and fixing seat (9), wherein insulator (8) One end is mutually fixedly connected with corresponding main bus-bar, and the other end is fixed on switch cabinet (1) by fixing seat (9).

2. a kind of busbar arrangement structure for longitudinal rotary high-tension switch cabinet according to claim 1, it is characterised in that: institute Stating fixing seat (9) is bent plate.