CN218101714U

CN218101714U - Low-voltage bus duct protective joint

Info

Publication number: CN218101714U
Application number: CN202221489079.5U
Authority: CN
Inventors: 王世全; 王世超; 许靖; 邓海祥; 陆林俐; 姬帅
Original assignee: Yunnan Hesheng Construction Engineering Co ltd
Current assignee: Yunnan Hesheng Construction Engineering Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-12-20
Anticipated expiration: 2032-06-15

Abstract

The utility model relates to a low-voltage bus duct protective joint, belonging to the bus duct technical field; the low-voltage bus duct protective joint comprises an insulating bolt, joint pressing plates, a conductive connecting sheet and an insulating protective layer, wherein the two joint pressing plates are connected through the insulating bolt; the utility model discloses an use the insulating protection layer, improved the fire behavior and the fire-retardant heat-proof quality that the bus duct connects, and used double-insulated bolt and radiation shield to improve the locking ability that connects, the radiation shield makes insulated bolt can not receive bus duct and conducting strip heat influence, has effectively reduced the probability that the joint broke down, makes the life who connects prolong, the emergence of prevention accident.

Description

Low-voltage bus duct protective joint

Technical Field

The utility model relates to a low pressure bus duct protection connects belongs to bus duct technical field.

Background

The electricity demand of modern high-rise buildings and large-scale factories is large, safe and reliable conduction equipment needs to be selected in the face of huge electricity loads, the bus duct is a good choice, and a bus duct system is a power distribution device for efficiently transmitting current, so that the electricity distribution device is particularly suitable for the economic and reasonable wiring requirements of higher and higher buildings and large-scale factories.

In addition, the use of the bus duct can provide larger power for a power supply decentralized system, power supply of high-rise buildings and large-scale factories is facilitated, a joint needs to be used for connecting the bus duct, the traditional joint structure is simple, and the resistance of the bus duct at the joint is larger. The heat-insulating bolt has poor fire-resistant and flame-retardant heat-insulating effects, is easy to generate heat, generates accidents, particularly the temperature of the insulating bolt is easy to increase, and some core-penetrating bolts need to be fastened regularly in the environment of alternate cold and heat.

Disclosure of Invention

In order to overcome the problem that exists among the background art, the utility model discloses an use the insulating protective layer, improved the fire resistance and the fire-retardant heat-proof quality that bus duct connects, and used double-insulated bolt and radiation shield to improve the locking ability that connects, the radiation shield makes insulating bolt can not receive bus duct and conducting strip heat influence, has effectively reduced the probability that connects the trouble, makes the life that connects prolong, the emergence of prevention accident.

In order to overcome the problem that exists among the background art, for solving above-mentioned problem, the utility model discloses a following technical scheme realizes:

the low-voltage bus duct protective joint comprises an insulating bolt, joint pressing plates, a conductive connecting sheet and an insulating protective layer, wherein the two joint pressing plates are connected through the insulating bolt, the insulating protective layer is uniformly distributed between the two joint pressing plates, the conductive connecting sheet is arranged on the insulating protective layer, and a heat insulation sleeve for separating the insulating bolt is further arranged on the conductive connecting sheet.

Preferably, the insulation protection layer comprises an insulation layer, a flame-retardant thermal insulation layer and a fire-resistant layer, wherein the fire-resistant layer is provided with the flame-retardant thermal insulation layer, and the insulation layer wraps the flame-retardant thermal insulation layer.

The utility model has the advantages that:

the utility model discloses an use insulating inoxidizing coating, improved the fire resistance and the fire-retardant heat-proof quality that the bus duct connects, and used double-insulated bolt and radiation shield to improve the locking ability that connects, the radiation shield makes insulating bolt can not receive bus duct and conducting strip heat influence, has effectively reduced the probability that connects the trouble, makes the life that connects prolong, the emergence of prevention accident.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of conductive bond pad mounting;

FIG. 3 is a schematic view of an insulation shield;

fig. 4 is a schematic connection diagram of the present invention.

The reference numbers in the figures are: 1-an insulating bolt; 2-a joint press plate; 3-a gasket; 4-a heat insulation sleeve; 5-conductive connecting sheet; 6-insulating protective layer; 7-a through hole; 8-bus duct; 6-1 insulating layer; 6-2 of a refractory layer; 6-3 flame-retardant heat-insulating layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.

As shown in fig. 1-4, the low-voltage bus duct protective joint comprises an insulating bolt 1, joint pressing plates 2, a gasket 3, a heat insulation sleeve 4, a conductive connecting sheet 5, an insulating protective layer 6, a through hole 7, a bus duct 8, an insulating layer 6-1, a fire-resistant layer 6-2 and a flame-retardant heat insulation layer 6-3, wherein the two joint pressing plates 2 are symmetrically arranged on the insulating bolt 1, the two joint pressing plates 2 are connected through the insulating bolt 1, and the gasket 3 is sleeved on the insulating bolt 1 and arranged between the insulating bolt 1 and the joint pressing plates 2. In the present embodiment, two insulating bolts 1 are provided, and the two joint pressure plates 2 are positioned by the two insulating bolts 1, so that the joint pressure plates 2 are prevented from rotating or shifting.

An insulating protective layer 6 is uniformly distributed between the two joint press plates 2, the insulating protective layer 6 comprises an insulating layer 6-1, a flame-retardant thermal insulation layer 6-2 and a fire-resistant layer 6-3, the insulating layer 6-1 is made of PC (polycarbonate) materials, the high strength, the elasticity coefficient, the high impact strength and the fatigue resistance of the insulating layer are good, the creep deformation is small (the change is very small under the high-temperature condition), the use temperature range reaches 120-140 ℃, the flame-retardant thermal insulation layer 6-2 is made of flame-retardant rubber and glass fiber in a mixed mode, the fire-resistant layer is made of asbestos in a mixed mode, the flame-retardant thermal insulation layer 6-2 is arranged on two sides of the fire-resistant layer 6-3, the flame-retardant thermal insulation layer 6-2 is wrapped by the insulating layer 6-1, the insulating protective layer 6 is structurally designed to ensure the insulation among the bus ducts 8, and the joints can be normally used under the heating high-temperature condition.

Set up electrically conductive connection piece 5 on the

insulating protection layer

6, 5 still install the radiation shield 4 that is used for separating insulating bolt 1 on the electrically conductive connection piece, in this embodiment, electrically conductive connection piece 5 is installed on insulating protection layer 6, as shown in fig. 4, the joint on two bus ducts 8 only need contact electrically conductive connection piece 5 can, need not be carried together even, electrically conductive connection piece 5 adopts the tellurium copper material to make, it has good electric conductive property, high temperature resistant, possess anticorrosive and anti-electrical ablation performance simultaneously, it has through-hole 7 to open on the electrically conductive connection piece 5, install the radiation shield 4 of suit on insulating bolt 1 in the through-hole 7, radiation shield 4 adopts the aerogel to make, can effectively separate insulating bolt 1 and contact with electrically conductive connection piece 5 and bus duct 8, reduce heat-conduction, avoid expend with heat and contract with cold to make insulating bolt 1 not hard up.

The utility model discloses a use: firstly, inserting each phase of a first bus duct 8 into a notch between insulating protective layers 6 of a joint, inserting an attached side plate of the bus duct 8 into a position below a joint pressing plate 2, screwing an insulating bolt 1 on the side of the joint after ensuring that the bus duct 8 and the joint are in the same level, fixing the position of the joint, then inserting the phase of a second bus duct 8 into a notch between the insulating protective layers 6 on the other side of the joint, inserting the attached side plate of the bus duct 8 into a position below the joint pressing plate 2, screwing the insulating bolt 1 on the side after aligning the position, and finally screwing two insulating bolts 1 again to fully fix each phase of the bus duct 8.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a low pressure bus duct protection connects which characterized in that: the low-voltage bus duct protective joint comprises an insulating bolt (1), joint pressing plates (2), conductive connecting sheets (5) and an insulating protective layer (6), wherein the two joint pressing plates (2) are connected through the insulating bolt (1), the insulating protective layer (6) is uniformly distributed between the two joint pressing plates (2), the conductive connecting sheets (5) are arranged on the insulating protective layer (6), and a heat insulation sleeve (4) used for separating the insulating bolt (1) is further installed on the conductive connecting sheets (5).

2. A low voltage bus duct protective joint as defined in claim 1, wherein: the insulation protection layer (6) comprises an insulation layer (6-1), a flame-retardant heat-insulating layer (6-2) and a fire-resistant layer (6-3), wherein the flame-retardant heat-insulating layer (6-2) is arranged on the fire-resistant layer (6-3), and the insulation layer (6-1) wraps the flame-retardant heat-insulating layer (6-2).