CN212543315U

CN212543315U - Fire-resistant high temperature resistant bus duct

Info

Publication number: CN212543315U
Application number: CN202021166215.8U
Authority: CN
Inventors: 吴家勇
Original assignee: Xuchang Moer Electrical Co ltd
Current assignee: Xuchang Moer Electrical Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-02-12
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses a fire-resistant and high-temperature resistant bus duct, relating to the technical field of bus ducts, which comprises a frame and a protection box, the outer side of the frame is provided with a first through hole, the inner side of the frame is fixedly connected with a flame-retardant layer, the bottom end and the top end of the inner side of the flame-retardant layer are both fixedly connected with second insulators, a first insulator and a wire row are fixedly connected between the two second insulators, a plurality of ventilation grooves are arranged between the first insulator and the line bank, the first insulator and the line bank are distributed in a staggered manner, the top end of the protection box is provided with a box cover, two sides inside the protection box are fixedly connected with limit blocks, a slide block, a third insulator and an insulating rod are arranged between the two limit blocks, the insulating rod has two, the both ends of insulating rod respectively with two stopper fixed connection. This fire-resistant high temperature resistant bus duct has solved current fire-resistant high temperature resistant bus duct and has connected not enough firm and the relatively poor problem of heat dispersion.

Description

Fire-resistant high temperature resistant bus duct

Technical Field

The utility model relates to a bus duct technical field specifically is a fire-resistant high temperature resistant bus duct.

Background

The bus duct is a closed metal device formed from copper and aluminium bus posts, and is used for distributing large power for every element of dispersion system. Wire and cable have been increasingly replaced in indoor low voltage power transmission mains engineering projects. When the bus duct is connected, the bus duct is usually extruded to lead the bus duct to generate certain deformation so as to lead the bus duct to be contacted with the copper sheet of the connecting piece, and the connection is not stable enough.

In chinese utility model patent application no: disclose in CN201920526382.X a fire-resistant bus duct, this fire-resistant bus duct is including apron, curb plate and conductive row, apron and curb plate are two, the apron passes through bolt and curb plate fixed connection, the surface of apron and curb plate all is connected with the fixed surface of insulating layer, two the equal fixedly connected with connecting block of opposite face of apron, one side that the apron was kept away from to the connecting block runs through the insulating layer and is connected with the fixed surface of first flame retardant coating, first flame retardant coating is located the inside of insulating layer, the inner wall of first flame retardant coating and the fixed surface of second flame retardant coating are connected, the inner wall fixedly connected with square ring of second flame retardant coating. This fire-resistant bus duct is equipped with multilayer structure in the outside of rowed, is unfavorable for the heat dissipation of rowed.

Therefore, it is necessary to provide a fire-resistant and high-temperature-resistant bus duct to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a fire-resistant high temperature resistant bus duct to current fire-resistant high temperature resistant bus duct that proposes in solving above-mentioned background art is connected not firm enough and the relatively poor problem of heat dispersion.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a fire-resistant high-temperature-resistant bus duct comprises a frame and a protection box, wherein a first through hole is formed in the outer side of the frame, a flame-retardant layer is fixedly connected to the inner side of the frame, second insulators are fixedly connected to the bottom end and the top end of the inner side of the flame-retardant layer, a first insulator and a wire row are fixedly connected between the two second insulators, a ventilation groove is formed between the first insulator and the wire row, the first insulators and the wire row are multiple in number and are distributed in a staggered mode, a box cover is arranged at the top end of the protection box, limit blocks are fixedly connected to two inner sides of the protection box, a sliding block, a third insulator and an insulating rod are arranged between the two limit blocks, the number of the insulating rods is two, two ends of each insulating rod are fixedly connected with the two limit blocks respectively, and second through holes are formed in two sides of the bottom end of the third insulator, the novel conductive cable is characterized in that a conductor is fixedly connected to one side of the third insulator, a V-shaped groove is formed in the other side of the third insulator, the V-shaped groove is matched with the sliding block, the sliding blocks are multiple and multiple in symmetrical distribution, movable rods are rotatably connected to two ends of one side of each sliding block, two movable blocks are symmetrically arranged between the sliding blocks, two movable blocks are provided, threaded holes are formed in the middle of the two movable blocks, screws are arranged inside the threaded holes, and the screws are matched with the threaded holes.

Preferably, the insulating rod penetrates through a third insulator through a second through hole, and the third insulator is connected with the insulating rod in a sliding mode.

Preferably, one end of the movable rod, which is far away from the sliding block, is rotatably connected with the movable block.

Preferably, the two ends of the screw are threaded in opposite directions.

Preferably, the sum of the lengths of the two sliding blocks and the two movable rods is greater than the length of the third insulator.

Preferably, one side of the third insulator to which the conductor is fixedly connected is close to the line bank.

Preferably, two ends of the protection box are respectively and fixedly connected with the two bus ducts.

(III) advantageous effects

Compared with the prior art, the utility model provides a fire-resistant high temperature resistant bus duct possesses following beneficial effect:

1. this fire-resistant high temperature resistant bus duct through setting up slider, third insulator, conductor and screw, under the effect of slider and third insulator, can carry out solitary fixed to the wire row, makes the wire row need not produce deformation and can carry out the electricity with it and conductor and be connected, has solved and has connected the problem firm inadequately.

2. This fire-resistant high temperature resistant bus duct through setting up frame, fire-retardant layer, first insulator, bank of wires and ventilation groove, through letting in dry mobile air in to the ventilation groove, accelerates the heat dissipation of bank of wires, simultaneously under the effect of second insulator and first insulator, avoids influencing each other between the bank of wires, has solved the relatively poor problem of heat dispersion.

Drawings

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

FIG. 2 is a schematic top sectional view of the protection box of the present invention;

FIG. 3 is a schematic front sectional view of the protection box of the present invention;

fig. 4 is a schematic front view of the slider of the present invention.

In the figure: 1. a flame retardant layer; 2. a first insulator; 3. a frame; 4. a second insulator; 5. a first through hole; 6. arranging wires; 7. a ventilation slot; 8. a protection box; 9. a limiting block; 10. a slider; 11. a third insulator; 12. a conductor; 13. a V-shaped groove; 14. a box cover; 15. a screw; 16. a second through hole; 17. an insulating rod; 18. a movable rod; 19. a movable block; 20. a threaded bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a fire-resistant and high-temperature-resistant bus duct includes a frame 3 and a protection box 8, a first through hole 5 is formed on an outer side of the frame 3, a flame-retardant layer 1 is fixedly connected to an inner side of the frame 3, a plurality of second insulators 4 are fixedly connected to bottom ends and top ends of the inner side of the flame-retardant layer 1, a first insulator 2 and a wire row 6 are fixedly connected between the two second insulators 4, a ventilation slot 7 is formed between the first insulators 2 and the wire row 6, the first insulators 2 and the wire row 6 are respectively provided with a plurality of wires, the plurality of wires 6 and the first insulators 2 are distributed in a staggered manner, the frame 3, the flame-retardant layer 1, the first insulators 2, the wire row 6 and the ventilation slot 7 are arranged, dry flowing air is introduced into the ventilation slot 7 to accelerate heat dissipation of the wire row 6, and mutual influence between the wire rows 6 is avoided under the action of the second insulators 4 and the first insulators 2, so that the problem of poor heat dissipation performance is, two ends of a protection box 8 are respectively fixedly connected with frames 3 of two bus ducts, a box cover 14 is arranged at the top end of the protection box 8, two limit blocks 9 are fixedly connected with two sides in the protection box 8, a sliding block 10, a third insulator 11 and two insulating rods 17 are arranged between the two limit blocks 9, the two insulating rods 17 penetrate through the third insulator 11 through second through holes 16, the third insulator 11 is in sliding connection with the insulating rods 17, two ends of each insulating rod 17 are respectively fixedly connected with the two limit blocks 9, two sides of the bottom end of the third insulator 11 are respectively provided with second through holes 16, one side of the third insulator 11 is fixedly connected with a conductor 12, one side of the third insulator 11 fixedly connected with the conductor 12 is close to a line bank 6, the other side of the third insulator 11 is provided with a V-shaped groove 13, the V-shaped grooves 13 are matched with the sliding blocks 10, the sliding blocks 10 are multiple, and the sliding blocks, the two ends of one side of each sliding block 10 are rotatably connected with movable rods 18, a movable block 19 is arranged between the two symmetrical sliding blocks 10, the number of the movable blocks 19 is two, one end, far away from the sliding blocks 10, of each movable rod 18 is rotatably connected with the corresponding movable block 19, the sum of the lengths of the two sliding blocks 10 and the two movable rods 18 is larger than the length of the corresponding third insulator 11, threaded holes 20 are formed in the middle of the two movable blocks 19, screws 15 are arranged inside the threaded holes 20, the directions of threads at the two ends of the screws 15 are opposite, the screws 15 are matched with the threaded holes 20, the sliding blocks 10, the third insulators 11, the conductors 12 and the screws 15 are arranged, under the action of the sliding blocks 10 and the third insulators 11, the wire row 6 can be independently fixed, the wire row 6 can be electrically connected with the conductors 12 without being deformed, and the problem that the.

The working principle is as follows: when the bus duct is used, the bus duct is fixed through the first through hole 5, the mutual influence of the wire rows 6 is avoided under the action of the first insulator 2 and the second insulator 4, when the temperature of the wire rows 6 is overhigh, the heat dissipation of the wire rows 6 can be accelerated by introducing dry air into the ventilation groove 7, when the bus duct is connected, the wire rows 6 are inserted into one side of the third insulator 11, which is provided with the conductor 12, then the two ends of the protection box 8 are respectively and fixedly connected with the two bus ducts, the two movable blocks 19 are close to each other under the action of the threaded hole 20 through rotating the screw 15, the two sliding blocks 10 are far away from each other under the action of the movable rod 18, under the action of the sliding blocks 10 and the V-shaped groove 13, the sliding blocks 10 extrude the third insulator 11 to be close to the wire rows 6, and under the action of the insulating rod 17 and the second through hole 16, the position of the third insulator 11 can not be deviated when moving, so, thereby electrically connecting the two bus ducts.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fire-resistant high temperature resistant bus duct, includes frame (3) and guard box (8), its characterized in that: the outer side of the frame (3) is provided with a first through hole (5), the inner side of the frame (3) is fixedly connected with a flame-retardant layer (1), the bottom end and the top end of the inner side of the flame-retardant layer (1) are fixedly connected with second insulators (4), a first insulator (2) and a wire row (6) are fixedly connected between the two second insulators (4), a ventilation groove (7) is formed between the first insulator (2) and the wire row (6), the first insulators (2) and the wire row (6) are arranged in a plurality, the first insulators (2) and the wire row (6) are distributed in a staggered mode, a box cover (14) is arranged at the top end of the protection box (8), limiting blocks (9) are fixedly connected to two inner sides of the protection box (8), and a sliding block (10), a third insulator (11) and an insulating rod (17) are arranged between the two limiting blocks (9), the insulation device is characterized in that the number of the insulation rods (17) is two, the two ends of each insulation rod (17) are respectively fixedly connected with two limiting blocks (9), second through holes (16) are formed in the two sides of the bottom end of each third insulator (11), a conductor (12) is fixedly connected to one side of each third insulator (11), a V-shaped groove (13) is formed in the other side of each third insulator (11), the V-shaped grooves (13) are matched with the sliders (10), the sliders (10) are symmetrically distributed, movable rods (18) are rotatably connected to the two ends of one side of each slider (10), movable blocks (19) are arranged between the two symmetrical sliders (10), the number of the movable blocks (19) is two, threaded holes (20) are formed in the middles of the two movable blocks (19), and screws (15) are arranged inside the threaded holes (20), the screw (15) is matched with the threaded hole (20).

2. The fire-resistant and high-temperature-resistant bus duct of claim 1, wherein: the insulating rod (17) penetrates through the third insulator (11) through the second through hole (16), and the third insulator (11) is connected with the insulating rod (17) in a sliding mode.

3. The fire-resistant and high-temperature-resistant bus duct of claim 1, wherein: one end of the movable rod (18) far away from the sliding block (10) is rotatably connected with the movable block (19).

4. The fire-resistant and high-temperature-resistant bus duct of claim 1, wherein: the thread directions of the two ends of the screw (15) are opposite.

5. The fire-resistant and high-temperature-resistant bus duct of claim 1, wherein: the sum of the lengths of the two sliding blocks (10) and the two movable rods (18) is greater than the length of the third insulator (11).

6. The fire-resistant and high-temperature-resistant bus duct of claim 1, wherein: one side of the third insulator (11) fixedly connected with the conductor (12) is close to the wire row (6).

7. The fire-resistant and high-temperature-resistant bus duct of claim 1, wherein: and two ends of the protection box (8) are respectively and fixedly connected with the two bus ducts.