CN101950936A

CN101950936A - Dense plug-pull bus system

Info

Publication number: CN101950936A
Application number: CN 201010261735
Authority: CN
Inventors: 李飞; 祝敏; 张成贵
Original assignee: Zhenjiang Siemens Bus Co Ltd
Current assignee: Zhenjiang Siemens Bus Co Ltd
Priority date: 2010-08-25
Filing date: 2010-08-25
Publication date: 2011-01-19
Anticipated expiration: 2030-08-25
Also published as: CN101950936B

Abstract

The invention relates to a dense plug-pull bus system, belonging to the technical field of power transmission connectors. The system comprises a mating bus and a connecting box and is characterized in that a tapping pile head is arranged at the side in the width direction of the mating bus; the tapping pile head contains a group of tapping buses electrically connected with the mating bus; the tapping buses are separated by insulating baffles respectively; the tapping buses and the insulating baffles are fixedly connected by an insulating fastener passing through the center; connecting holes at the two sides of the fastener are formed between the tapping buses; the insulating fastener is supported above the mating bus; a busbar set formed by an earthing busbar and a phase line busbar is fixed in the connecting box in an insulated manner; the end of the busbar set extends out from one end of the connecting box, corresponds to the connecting holes respectively and forms fork heads; and the extension length of the earthing busbar is longer than the phase line busbar. The system ensures hot line plug and pull between the connecting box and the mating bus, dispenses with whole power failure when failures happen, can directly separate the connecting box from the bus and is simple to operate and safe and reliable.

Description

Intensity can plug bus-bar system

Technical field

The present invention relates to a kind of bus-bar system, especially a kind of intensity can plug bus-bar system, belongs to transmission of electricity connector technical field.

Background technology

Understand according to the applicant, the plug-in unit in the intensive bus-bar system can not warm swap usually for the consideration of aspects such as safety.Therefore, when plug-in unit breaks down, whole piece bus outage must be repaired then, so not only bring inconvenience, and the influence that causes and loss are bigger to the user.

Retrieval is found, name is called " Intensive Copper Aluminium Composite Bus Duct Socket Device ", application number is: 200720038304.2 Chinese patent discloses a kind of Intensive Copper Aluminium Composite Bus Duct Socket Device, its structure is to use the holder of manganese addition steel disc in the both sides of copper pin, and the copper pin directly is fastened on the insulating part with being connected of insulating part with the self tapping lock screw; Each phase busbar both sides is furnished with two copper plugs that are convex concave, the copper plug of two convex concaves is integral the phase conductor both sides that are riveted in the bus duct, upper and lower surface at bus duct, the staggered plug aperture of offering, busbar is arranged on diamondwise in the plug aperture, and the safe spacing of each phase place is respectively 21mm.In addition, name is called " intensive bus-duct connector ", application number is that the Chinese patent application of 200820216241.X discloses a kind of intensive bus-duct connector, its structure is that backplate is fastened on the insulation backplate with clamping screw, between insulation backplate and insulation backplate is busbar, busbar is fixed on the insulation backplate with the injection moulding module, the modular fixation clip is between insulation backplate and insulation backplate, bus-bars conductor is between busbar and busbar, the two sides of insulation backplate is the convexo-convex structure, be that convexo-convex connects between the insulation backplate, the busbars of two insulation between backplates are adsorbed on the insulation backplate tightly, and the insulation backplate closely contacts with busbar on bus is arranged by the copper sheet on the insulation backplate.And name to be called " congestion type busway jack tapping-off pile head ", application number be that 200820216902.9 Chinese patent application discloses a kind of congestion type busway jack tapping-off pile head that is used for the concentration bus duct tapping device.This congestion type busway jack tapping-off pile head includes interconnective pile crown and busbar, bus bar edge has the notch that embeds for pile crown, described pile crown is made up of the root of broad and narrower main part, integral body is " inverted T-shaped " structure, the root of pile crown is embedded in the notch of busbar, and one section section of being welded to connect respectively is set between the root two side ends of pile crown and the busbar.

Though the disclosed technical scheme of above patent application has been made contribution separately respectively for patching of intensive bus, all fail effectively to solve the hot insertion problem of intensive bus-bar system.

Summary of the invention

The objective of the invention is to: at the problem that prior art exists, proposes a kind of can be not under the powering-off state at the whole piece bus, the intensity that safety realization plug-in unit plugs as required can plug bus-bar system, thus work such as user friendly maintenance greatly.

In order to reach above purpose, intensity of the present invention can plug bus-bar system and comprise supporting bus and jack box; Described supporting bus Width one side is provided with the tap pile crown that is placed in the insulating shield; Described tap pile crown contains a component that is electrically connected with supporting bus and connects bus, and described each tap bus is separated with insulating barrier each other respectively; Described tap bus and insulating barrier are connected by the insulation securing member that passes the center, and form the grafting hole that is positioned at the securing member both sides each other; Described insulation securing member is supported on supporting bus top; Insulation is fixed with the busbar group that is made of ground connection busbar and phase line busbar in the described jack box, and stretch out from an end of jack box the termination of described busbar group, corresponding with described grafting hole respectively, forms the jaw shape; The extension elongation of described ground connection busbar is longer than the phase line busbar.

Technique scheme of the present invention makes that the plug between jack box and the supporting bus can hot line job, therefore when breaking down, need not whole outage, can directly it be separated with bus, and is simple to operate, safe and reliable.

Description of drawings

The present invention is further illustrated below in conjunction with accompanying drawing.

Fig. 1 is the supporting bus wire portion separation structure schematic diagram of one embodiment of the invention.

Fig. 2 is Figure 1B-B profile.

Fig. 3 is the partial enlarged drawing of Fig. 2.

Fig. 4 is the perspective view of Fig. 1.

Fig. 5 is the jack box perspective view of pegging graft with Fig. 1.

Embodiment

Embodiment one

The intensity of present embodiment can plug bus-bar system such as Fig. 1 is extremely shown in Figure 5, divides supporting bus and jack box C (Fig. 5) in interface H section bar 1 (Fig. 1) to constitute by being placed in band.Supporting bus Width upside is provided with the tap pile crown A that is placed in the insulating shield.As shown in Figure 4, insulating shield is made of involutory housing 3 and base plate 6 and upper cover plate 4, is fixed on the branch interface top of H section bar 1, the forward and backward and left and right tapping of insulating shield be furnished with respectively forward and backward baffle plate 2 and about keep off, plate 5.

As shown in Figure 3, tap pile crown A contains a component that is electrically connected with supporting bus and connects bus 17 (being generally three phase lines and a ground wire), each tap bus is separated with insulating barrier 8 each other respectively, the tap bus at two ends and be fixed between the left and right fixedly fagging 15 on the base plate 6 and be separated with left and right

insulating barrier

7 and 9 respectively.Tap bus 17 is connected by the stud 13 that passes the center with each insulating barrier, the stud 13 outer insulating sleeves 14 that are with.Owing to be separated with the insulating barrier 8 of upper and lower two sideband overlaps, therefore form the grafting hole 18 that is positioned at tape insulation sleeve pipe stud both sides each other between each tap bus.The stud 13 that becomes the insulation securing member is supported on supporting bus top by left and right fixedly fagging 15.11 is bowl pads among Fig. 3, the 12nd, and nut, the 16th, screw.

The concrete structure of jack box C as shown in Figure 5, its casing C-1 has handle outward, wherein be equipped with by the fixing busbar group that constitutes by ground connection busbar C-4 and phase line busbar C-3 of two groups of front and back insulation fixed block C-5 insulation, the upper and lower insulating shield C-2 that is stamped respectively of this busbar group, stretch out from the end perforate of jack box casing C-2 its termination, be the jaw shape corresponding respectively with grafting hole 18 among Fig. 3, and the edge chamfer of jaw, wherein the extension elongation of ground connection busbar is longer than the phase line busbar.

Need draw when pegging graft,, can will insert in the grafting space 18 of tap pile crown by the busbar group that jack box C stretches out, realize being electrically connected by the perforate along continuous straight runs as long as take the front apron 2 of insulating shield apart.Operation during disengagement is opposite.For guaranteeing that busbar does not misplace during insertion, two groups of insulation fixed blocks will be fixing.The ground connection busbar is long than the phase line busbar, so ground wire contact earlier when grafting, disconnects behind the ground wire when extracting, and the system that guaranteed is in whole plug process safe, and the chamfered that carry out the busbar end makes grafting smooth more and convenient.In addition, the upper cover plate of supporting bus part can unload, and to observe the grafting process of busbar, is convenient to the location; Left and right sides perforate is used for fastening stud; Front and back side opening square hole, busbar can insert as required from both direction; The position of opening periphery pastes black insulation rubber cushion, can improve the degree of protection that jack box part and bus wire portion divide joint.

Evidence, the intensity of present embodiment can plug bus-bar system and can operate by warm swap fully, and be convenient and safe.When jack box breaks down, need not whole outage, can directly it be separated with the bus unit, simple to operate, safe and reliable, have practicality.

In addition to the implementation, the present invention can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of requirement of the present invention.

Claims

1. an intensity can plug bus-bar system, comprises supporting bus and jack box; It is characterized in that: described supporting bus Width one side is provided with the tap pile crown that is placed in the insulating shield; Described tap pile crown contains a component that is electrically connected with supporting bus and connects bus, and described each tap bus is separated with insulating barrier each other respectively; Described tap bus and insulating barrier are connected by the insulation securing member that passes the center, and form the grafting hole that is positioned at the securing member both sides each other; Described insulation securing member is supported on supporting bus top; Insulation is fixed with the busbar group that is made of ground connection busbar and phase line busbar in the described jack box, and stretch out from an end of jack box the termination of described busbar group, corresponding with described grafting hole respectively, forms the jaw shape; The extension elongation of described ground connection busbar is longer than the phase line busbar.

2. intensity according to claim 1 can plug bus-bar system, it is characterized in that: described insulating shield is made of involutory housing and base plate and upper cover plate, is fixed on the branch interface top of the H section bar that supporting bus is housed.

2. intensity according to claim 1 can plug bus-bar system, it is characterized in that: described tap bus is separated with the insulating barrier of upper and lower two sideband overlaps, forms the grafting hole that is positioned at described insulation securing member both sides each other.

3. intensity according to claim 1 and 2 can plug bus-bar system, it is characterized in that: described insulation securing member is made of the stud of overcoat insulating sleeve.

4. intensity according to claim 3 can plug bus-bar system, it is characterized in that: the termination jaw edge chamfer of described busbar group.

5. intensity according to claim 4 can plug bus-bar system, it is characterized in that:, the forward and backward and left and right tapping of described insulating shield be furnished with respectively forward and backward baffle plate and about the retaining, plate.

6. intensity according to claim 5 can plug bus-bar system, it is characterized in that: the upper and lower insulating shield that is stamped respectively of described busbar group, stretch out from an end perforate of jack box casing its termination.

7. intensity according to claim 6 can plug bus-bar system, it is characterized in that: the casing of described jack box has handle outward.