CN210806682U

CN210806682U - Fire-resistant bus duct

Info

Publication number: CN210806682U
Application number: CN201921916756.5U
Authority: CN
Inventors: 张建华; 王拥军; 张黎明; 丁亮亮
Original assignee: Nantong Taifu Electrical Manufacturing Co Ltd
Current assignee: Gotion High Tech Co Ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-06-19
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a fire-resistant bus duct, including conducting bar and isolation box, the carriage has been cup jointed in the activity of conducting bar, the inside of carriage is fixed with the spacer, one side that the spacer kept away from the carriage is fixed mutually with the conducting bar, the top of carriage is equipped with the horizontal pole, the carriage lateral surface is fixed with the backup pad, the through hole has been seted up to the side of backup pad, the backup pad is kept away from the one end of carriage and is fixed mutually with the inner wall of isolation box, the top of isolation box is equipped with the apron, the bottom of apron is seted up flutedly, the top and the recess looks joint of isolation box. The utility model discloses the beneficial effect who reaches is: the bus duct is enabled to reduce the heating conduction of the conductor bars, the fire resistance of the bus duct is improved, the maintenance of the bus duct is facilitated, the maintenance work efficiency is improved, the condition that the isolation box bursts is avoided, and the explosion-proof protection effect is achieved on the bus duct.

Description

Fire-resistant bus duct

Technical Field

The utility model relates to a bus duct, in particular to fire-resistant bus duct belongs to circuit connection equipment technical field.

Background

The bus duct is a novel conductor formed by using copper or aluminum as a conductor, using a non-olefinic insulating support and then being installed in a metal groove.

However, the existing bus duct is simple in structure, poor in fire resistance and inconvenient to overhaul, and the situation that the bus duct bursts easily in case of fire and the like is solved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, current bus duct simple structure, the incombustibility is relatively poor, is not convenient for overhaul, takes place the condition such as bus duct bursts easily when the conflagration breaing out simultaneously, provides a fire-resistant bus duct.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a fire-resistant bus duct, which comprises a conductor strip and an isolation box, wherein a connecting frame is sleeved in the activity of the conductor strip, an isolation block is fixed in the connecting frame, one side of the isolation block, which is far away from the connecting frame, is fixed with the conductor strip, the top of the connecting frame is provided with a cross rod, the outer side surface of the connecting frame is fixed with a support plate, the side surface of the support plate is provided with a through hole, one end of the support plate, which is far away from the connecting frame, is fixed with the inner wall of the isolation box, the top of the isolation box is provided with a cover plate, the bottom of the cover plate is provided with a groove, the top of the isolation box is clamped with the groove, a bolt rod penetrates through the side surface of the cover plate, the side surface of the isolation box is provided with a through hole, the interior of the through hole is provided with a movable column, the fixed rod both ends all are fixed mutually with the tip of through-hole, the one end of activity post is fixed mutually through the middle part of extension spring with the fixed rod, the bottom of apron is fixed mutually through connecting rod and horizontal pole.

As an optimal technical scheme of the utility model, the spacing block is the fragment of brick, the quantity of spacing block is a plurality of.

As an optimized technical scheme of the utility model, the connecting frame is the U font, the connecting frame is ceramic material with the horizontal pole.

As an optimized technical scheme of the utility model, the quantity of through hole is a plurality of, a plurality of the through hole is in the side evenly distributed of backup pad.

As an optimal technical scheme of the utility model, the tip of shank of bolt contacts with the side of keeping apart the box, the quantity of shank of bolt is a plurality of.

As an optimized technical scheme of the utility model, the length of activity post is the same with the box board thickness of keeping apart the box.

The utility model discloses the beneficial effect who reaches is:

1. through setting up isolation box, connection frame, spacer block, horizontal pole, backup pad, through hole, apron, recess, shank of bolt and connecting rod for this bus duct can reduce the conduction of being heated of conductor strip, is favorable to improving the refractiveness of this bus duct, and the maintenance of this bus duct of being convenient for in addition is favorable to improving maintenance work efficiency.

2. Through setting up through-hole activity post, fixed rod, fluting and extension spring for this bus duct can reduce the inside pressure of isolation box, thereby avoids taking place the condition that isolation box bursts, has played blast proof guard action to the bus duct.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

fig. 3 is a top view of the movable column.

In the figure: 1. a conductor bar; 2. an isolation box; 3. a connecting frame; 4. an isolation block; 5. a cross bar; 6. a support plate; 7. a through hole; 8. a cover plate; 9. a groove; 10. a through hole; 11. a bolt shank; 12. a movable post; 13. a fixing rod; 14. grooving; 15. a tension spring; 16. a connecting rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in figures 1-3, the utility model provides a fire-resistant bus duct, which comprises a conductor bar 1 and an isolation box 2, a connecting frame 3 is sleeved on the conductor bar 1, an isolation block 4 is fixed in the connecting frame 3, one side of the isolation block 4 far away from the connecting frame 3 is fixed with the conductor bar 1, a cross bar 5 is arranged on the top of the connecting frame 3, a support plate 6 is fixed on the outer side of the connecting frame 3, a through hole 7 is arranged on the side of the support plate 6, one end of the support plate 6 far away from the connecting frame 3 is fixed with the inner wall of the isolation box 2, a cover plate 8 is arranged on the top of the isolation box 2, a groove 9 is arranged on the bottom of the cover plate 8, the top of the isolation box 2 is clamped with the groove 9, a bolt rod 11 penetrates through the side thread of the cover plate 8, a through hole 10 is arranged on the side of the isolation box 2, a movable column 12 and a, one end of the slot 14 is communicated with the end part of the movable column 12, two ends of the fixed rod 13 are fixed with the end part of the through hole 10, one end of the movable column 12 is fixed with the middle part of the fixed rod 13 through a tension spring 15, and the bottom of the cover plate 8 is fixed with the cross rod 5 through a connecting rod 16.

The spacing block 4 is the fragment of brick, and the quantity of spacing block 4 is a plurality of, and connection frame 3 is the U font, and connection frame 3 is ceramic material with horizontal pole 5, and the quantity of through hole 7 is a plurality of, and a plurality of through hole 7 is in the side evenly distributed of backup pad 6, and the tip of shank of bolt 11 contacts with the side of keeping apart box 2, and the quantity of shank of bolt 11 is a plurality of, and the length of activity post 12 is the same with the box board thickness of keeping apart box 2.

Specifically, when the utility model is used, when the temperature rises, the conductor bar 1 is in a suspended state in the isolation box 2, thereby avoiding the contact between the conductor bar 1 and the isolation box 2, thereby reducing the heat conduction of the conductor bar 1, in addition, the heat conduction through the isolation block 4 and the connecting frame 3 is poor, the effect of weakening the heat conduction can be achieved, in addition, when the air in the isolation box 2 is easy to expand due to the temperature rise, the burst of the isolation box 2 is easy to occur, the movable column 12 is moved along the through hole 10 at the beginning, the tension spring 15 is also deformed, when the slot 14 extends out of the isolation box 2, the gas in the isolation box 2 is discharged outwards through the slot 14, thereby reducing the pressure in the isolation box 2, thereby avoiding the burst of the isolation box 2, when the maintenance is needed, the bolt rod 11 is loosened, thereby separating the cover plate 8 from the isolation box 2, meanwhile, the cross bar 5 is separated from the connecting frame 3 by the connecting rod 16 fixed with the cover plate 8, so that the bus duct is convenient to overhaul, and the overhaul working efficiency is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The fire-resistant bus duct comprises a conductor bar (1) and an isolation box (2), and is characterized in that a connecting frame (3) is sleeved on the conductor bar (1), an isolation block (4) is fixed inside the connecting frame (3), one side, away from the connecting frame (3), of the isolation block (4) is fixed with the conductor bar (1), a cross rod (5) is arranged at the top of the connecting frame (3), a support plate (6) is fixed on the outer side surface of the connecting frame (3), a through hole (7) is formed in the side surface of the support plate (6), one end, away from the connecting frame (3), of the support plate (6) is fixed with the inner wall of the isolation box (2), a cover plate (8) is arranged at the top of the isolation box (2), a groove (9) is formed in the bottom of the cover plate (8), and the top of the isolation box (2) is connected with the groove (9) in a clamping manner, the side screw thread of apron (8) runs through there is shank of bolt (11), through-hole (10) have been seted up to the side of keeping apart box (2), the inside of through-hole (10) is equipped with movable post (12) and fixed rod (13), fluting (14) have been seted up in the outside of activity post (12), the one end of fluting (14) is linked together with the tip of activity post (12), fixed rod (13) both ends all are fixed mutually with the tip of through-hole (10), the middle part of extension spring (15) and fixed rod (13) is passed through to the one end of activity post (12) is fixed mutually, the bottom of apron (8) is fixed mutually with horizontal pole (5) through connecting rod (16).

2. The fire-resistant bus duct of claim 1, characterized in that the isolation blocks (4) are bricks, and the number of the isolation blocks (4) is several.

3. The fire-resistant bus duct of claim 1, wherein the connecting frame (3) is U-shaped, and the connecting frame (3) and the cross bar (5) are made of ceramic materials.

4. The fire-resistant bus duct of claim 1, wherein the number of the through holes (7) is several, and the several through holes (7) are uniformly distributed on the side surface of the support plate (6).

5. The fire-resistant bus duct of claim 1, characterized in that the end of the bolt bar (11) is in contact with the side of the isolation box (2), and the number of the bolt bars (11) is several.

6. A fire resistant bus duct according to claim 1, characterized in that the length of the movable column (12) is the same as the thickness of the box plate of the insulation box (2).