CN220673344U

CN220673344U - Bus duct

Info

Publication number: CN220673344U
Application number: CN202420116912.4U
Authority: CN
Inventors: 赵根来; 黎斌杰; 黄威
Original assignee: Zhuhai Shunxin Electric Equipment Co ltd
Current assignee: Zhuhai Shunxin Electric Equipment Co ltd
Priority date: 2024-01-17
Filing date: 2024-01-17
Publication date: 2024-03-26
Anticipated expiration: 2034-01-17

Abstract

The embodiment of the utility model provides a bus duct, which comprises a cover plate, an upper clamping device, a lower clamping device, a first threaded fastener and a second threaded fastener, wherein the cover plate comprises an upper cover plate and a lower cover plate; the cover plate comprises an upper cover plate and a lower cover plate; the upper clamping clamp and the lower clamping clamp are respectively provided with a mounting groove, the mounting grooves of the upper clamping clamp penetrate through the end face and the first side face of the upper clamping clamp, and the mounting grooves of the lower clamping clamp penetrate through the end face and the second side face of the lower clamping clamp; the first threaded fastener penetrates into the mounting grooves of the upper cover plate and the upper clamp, the upper clamp is detachably connected with the upper cover plate, the second threaded fastener penetrates into the mounting grooves of the lower cover plate and the lower clamp, and the lower clamp is detachably connected with the lower cover plate. The threaded fastener does not need to penetrate through the upper cover plate and the lower cover plate at the same time, so that the upper clamping and the upper cover plate are detachably connected, the lower clamping and the lower cover plate are more convenient to assemble and disassemble, and the assembling and disassembling efficiency is improved.

Description

Bus duct

Technical Field

The utility model belongs to the technical field of power transmission and distribution, and particularly relates to a bus duct.

Background

The bus duct is a closed metal device formed by copper and aluminum bus columns, is supported by non-olefinic insulation, and is then arranged in the metal duct to form a novel conductor. The method is widely applied to electrical equipment such as high-rise buildings, factories and the like and power transmission and distribution systems. The bus duct comprises a cover plate and a clamp for inserting and fixing the copper bars.

In the prior art, screws are usually adopted to penetrate through the whole upper cover plate, the upper clamping, the lower clamping and the lower cover plate, and the clamping and the cover plate are detachably connected.

In the prior art, the whole cover plate and the clamping are required to be detached in the process of installing and detaching the bus duct, and the screw is inconvenient to take and assemble, so that the assembly efficiency is low.

Disclosure of Invention

The embodiment of the utility model aims to provide a bus duct, which can solve the problem of lower assembly efficiency of the bus duct in the prior art.

In order to solve the technical problems, the utility model is realized as follows:

the embodiment of the utility model provides a bus duct, which comprises a cover plate, wherein the cover plate comprises an upper cover plate and a lower cover plate, the upper cover plate and the lower cover plate are oppositely arranged, and the bus duct further comprises an upper clamping clip, a lower clamping clip, a first threaded fastener and a second threaded fastener;

the upper clamp and the lower clamp are respectively provided with a mounting groove, the mounting grooves of the upper clamp penetrate through the end face and the first side face of the upper clamp, and the mounting grooves of the lower clamp penetrate through the end face and the second side face of the lower clamp;

the first threaded fastener penetrates through the upper cover plate and the upper clamp and is detachably connected with the upper cover plate, the second threaded fastener penetrates through the lower cover plate and the lower clamp and is detachably connected with the lower cover plate, and the directions of the first side face of the upper clamp and the second side face of the lower clamp are opposite.

Optionally, the mounting groove has a first groove and a second groove that are communicated with each other, and a width of the first groove is smaller than a width of the second groove;

the first threaded fastener and/or the second threaded fastener comprises a screw rod and a head which are connected with each other, the outer diameter of the screw rod is smaller than that of the head, the screw rod is fixed in the first groove, and the head is fixed in the second groove.

Optionally, the cross section of the mounting groove is arc-shaped along the axial direction of the first threaded fastener and/or the second threaded fastener.

Optionally, the mounting groove penetrates through a first end face and a second end face of the upper clamp or the lower clamp, and the first end face and the second end face are opposite in orientation.

Optionally, the cover plate further comprises a side cover plate, the side cover plate connects the upper cover plate with the lower cover plate, the cover plate encloses to form a containing space, and the upper clamp and the lower clamp are arranged in the containing space.

Optionally, the upper clip and the lower clip are provided with at least two slots arranged at intervals;

the slot of the upper clamp penetrates through the two opposite side surfaces of the upper clamp and the second end surface of the upper clamp, the slot of the lower clamp penetrates through the two opposite side surfaces of the lower clamp and the first end surface of the lower clamp, the second end surface of the upper clamp faces the first end surface of the lower clamp, and the slot is used for inserting copper bars.

Optionally, the upper clip and the lower clip are both provided with first heat dissipation holes, and the first heat dissipation holes penetrate through two opposite side surfaces of the upper clip or the lower clip;

and the cover plate is provided with a second heat dissipation hole.

Optionally, the first heat dissipation hole has a circular arc chamfer.

Optionally, the number of the first heat dissipation holes is at least two, and at least one first heat dissipation hole is arranged between two adjacent slots.

Optionally, the upper clip and the lower clip are phenolic molding compound clips.

In an embodiment of the utility model, the bus duct comprises an upper clamping clip, a lower clamping clip, a cover plate, a first threaded fastener and a second threaded fastener. The cover plate comprises an upper cover plate and a lower cover plate which are arranged up and down oppositely, and the upper clamping and the lower clamping are used for inserting and fixing copper bars. The upper clamping and the lower clamping are both provided with mounting grooves, wherein the mounting grooves of the upper clamping penetrate through the end face and the first side face of the upper clamping, and the mounting grooves of the lower clamping penetrate through the end face and the second side face of the lower clamping. The first threaded fastener penetrates through the upper cover plate and the upper clamp, the upper clamp is detachably connected with the upper cover plate, and the first threaded fastener is convenient to take and assemble by an operator due to the fact that the opening is formed in the first side face of the upper clamp. The second threaded fastener penetrates through the lower cover plate and the mounting groove of the lower clamp, the lower clamp is detachably connected with the lower cover plate, and the mounting groove of the lower clamp is provided with an opening at the second side surface, so that an operator can conveniently take and install the second threaded fastener. And because the first side face of the upper clamping clip and the second side face of the lower clamping clip face oppositely, the upper clamping clip and the lower clamping clip are subjected to fixing constraint force from the threaded fastener in two opposite directions, and the copper bar is prevented from shaking in the using process. And realized respectively and gone up the clamp and go up the detachable connection between the apron to and down the clamp and down the detachable connection between the apron, compare in the prior art that adopts the screw to run through whole upper cover plate, go up clamp, lower clamp and apron down, the dismouting is more convenient, has promoted dismouting efficiency, has reduced the manufacturing cost of mould. The mounting groove forms a concave fixing bolt reserved groove, so that the clamping is firmly fixed, and the stability and the insulativity of the conductive copper bar are effectively improved.

Drawings

FIG. 1 is a schematic diagram of a bus duct structure according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a clip according to an embodiment of the present utility model in a configuration for installing a threaded fastener;

FIG. 3 is a schematic view of the structure of a clip according to an embodiment of the present utility model without a threaded fastener installed;

FIG. 4 is a plan view along the direction A in FIG. 3 of an embodiment of the present utility model;

FIG. 5 is a plan view along direction B of FIG. 3 of an embodiment of the present utility model;

FIG. 6 is a schematic view of the structure of an upper clip according to an embodiment of the present utility model;

FIG. 7 is an enlarged partial schematic view of the position I of FIG. 1 in accordance with an embodiment of the utility model.

Reference numerals:

11-upper clip, 12-lower clip, 101-first side, 102-second side, 103-first end, 104-second end, 13-mounting slot, 131-first slot, 132-second slot, 1321-securing face, 14-slot, 15-first heat sink, 2-cover plate, 21-upper cover plate, 22-lower cover plate, 23-side cover plate, 231-second heat sink, 31-first threaded fastener, 32-second threaded fastener, 301-screw, 302-head, 4-copper bar.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present utility model may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

Referring to fig. 1 to 3, an embodiment of the present utility model provides a bus duct, the bus duct includes a cover plate 2, the cover plate 2 includes an upper cover plate 21 and a lower cover plate 22, the upper cover plate 21 is disposed opposite to the lower cover plate 22, and the bus duct further includes an upper clip 11, a lower clip 12, a first threaded fastener 31 and a second threaded fastener 32;

the upper clamp 11 and the lower clamp 12 are respectively provided with a mounting groove 13, the mounting grooves 13 of the upper clamp 11 penetrate through the end face and the first side face 101 of the upper clamp 11, and the mounting grooves 13 of the lower clamp 12 penetrate through the end face and the second side face 102 of the lower clamp 12;

the first threaded fastener 31 is inserted into the mounting groove 13 of the upper cover plate 21 and the upper clamp 11, the upper clamp 11 is detachably connected with the upper cover plate 21, the second threaded fastener 32 is inserted into the mounting groove 13 of the lower cover plate 22 and the lower clamp 12, the lower clamp 12 is detachably connected with the lower cover plate 22, and the directions of the first side 101 of the upper clamp 11 and the second side 102 of the lower clamp 12 are opposite.

Specifically, fig. 1 shows a schematic diagram of a bus duct structure provided by an embodiment of the present utility model, fig. 2 and fig. 3 show schematic diagrams of clip structures of an embodiment of the present utility model, and fig. 7 shows a partially enlarged schematic diagram of a position i in fig. 1. The bus duct comprises a cover plate 2, wherein the cover plate 2 comprises an upper cover plate 21 and a lower cover plate 22, and the upper cover plate 21 and the lower cover plate 22 are oppositely arranged. In addition, the bus duct of the present embodiment further includes an upper clip 11, a lower clip 12, a first threaded fastener 31, and a second threaded fastener 32. In fig. 2, only the structure of the second threaded fastener 32 is shown, and the second threaded fastener 32 is actually mounted in the mounting groove 13 of the lower clip 12. The cover plate 2 is a protective shell of the bus duct, has the functions of mechanical support and insulation, and is enclosed to form a cuboid with an opening at one end by the cover plate 2 and is used for taking and installing the clamping clips and the copper bars 4. The upper clamping clamp 11 and the lower clamping clamp 12 are used for inserting and fixing the copper bar 4. The upper clip 11 and the lower clip 12 are each provided with a mounting groove 13 for mounting a fixing threaded fastener. The mounting groove 13 of the upper clip 11 penetrates at least one end surface and the first side surface 101 of the upper clip 11, and the first side surface 101 is the right side surface, and is oriented as shown in fig. 3 and 4. The mounting groove 13 of the upper clip 11 penetrates the side surface of the upper clip 11, and the first screw fastener 31 can be easily detached from the side surface position. The mounting groove 13 of the lower clip 12 penetrates at least one end surface of the lower clip 12 and the second side surface 102, and the second side surface 102 is the left side surface, and is oriented as shown in fig. 3 and 5. The mounting groove 13 of the lower clip 12 penetrates the side surface of the lower clip 12, and the second threaded fastener 32 can be conveniently detached from the side surface position. I.e. the mounting groove 13 of the upper clip 11 has an opposite orientation to the mounting groove 13 of the lower clip 12. The number of the mounting grooves 13 on each clip is one, two or more, and in order to ensure balanced stress, in this embodiment, one mounting groove 13 is provided on each side of the first side 101 of the upper clip 11, and one mounting groove 13 is provided on each side of the second side 102 of the lower clip 12. The clamping is integrated into one piece, compares in traditional many piece clamping, and the clamping processing cost of this embodiment is low, simple structure, and convenient operation insulating properties is strong, and impact resistance, corrosion resistance are strong, and factor of safety is high.

Specifically, as shown in fig. 1 to 3, the first threaded fastener 31 is inserted into the mounting groove 13 of the upper clip 11 by the upper cover plate 21, and the upper clip 11 is detachably connected to the upper cover plate 21. The opening of the mounting groove 13 of the upper clip 11 at the side is convenient for the operator to take and load the first threaded fastener 31, thereby improving the mounting efficiency. The second threaded fastener 32 is threaded into the mounting slot 13 of the lower clip 12 by the lower cover plate 22 to achieve a removable connection of the lower clip 12 to the lower cover plate 22. The opening of the mounting groove 13 of the lower clip 12 at the side facilitates the operator to take and load the second threaded fastener 32, improving the mounting efficiency. The first and second threaded fasteners 31, 32 include, but are not limited to, bolts, screws or pins having external threads that mate with threads in the mounting slot 13. And because the mounting groove 13 of the upper clamping 11 has the opposite orientation with the mounting groove 13 of the lower clamping 12, the upper clamping 11 and the lower clamping 12 are subjected to the fixing constraint force from the threaded fastener in two opposite directions, namely the direction A and the direction B in the figure 3, so that the clamping and the copper bar 4 are prevented from shaking in the using process, and the fixing is effectively limited. The distance between the upper clamping 11 and the lower clamping 12 can be adjusted by adjusting the upper and lower fixing positions of the threaded fasteners, so that the copper bar clamp is suitable for copper bars with different specifications and sizes, and meets different use occasions. The height of the upper clip 11 and the lower clip 12 may be set to be different or the same, and the present embodiment sets the height of the upper clip 11 to be larger than the height of the lower clip 12 depending on the installation and use requirements. In the drawings, only a schematic structural view of the first threaded fastener 31 fixed to the upper clip 11 is shown, and the first threaded fastener 31 fixed to the lower clip 12 is referred to the first threaded fastener 31 in a fixing manner. The mounting groove 13 forms a concave fixing bolt reserved groove, so that the clamping is firmly fixed, and the stability and the insulativity of the conductive copper bar are effectively improved.

The embodiment realizes the detachable connection of the upper clamp 11 and the lower clamp 12 with the cover plate 2 respectively, compared with the prior art that screws penetrate through the whole upper cover plate, the upper clamp, the lower clamp and the lower cover plate, the disassembly and the assembly are more convenient, the respective disassembly and assembly of the upper clamp and the lower clamp can be realized, the disassembly and assembly efficiency is improved, and the manufacturing cost of the die is reduced. Meanwhile, the mounting groove 13 is provided with an opening on the side face of the clamp, so that an operator can conveniently take and install the threaded fastener. In addition, the mounting groove 13 of the upper clamp 11 has the opposite direction to the mounting groove 13 of the lower clamp 12, so that the upper clamp 11 and the lower clamp 12 are subjected to fixing constraint force from the threaded fastener in two opposite directions, shaking of the clamp and the copper bar 4 in the using process is avoided, and the fixing is effectively limited. In addition, the clamping is integrated into one piece, and processing cost is low, simple structure, and convenient operation insulating properties is strong, and is resistant striking, corrosion resistance are strong, and factor of safety is high. The mounting groove enables the clamping to be firmly fixed, and stability and insulativity of the conductive copper bar are effectively improved.

Alternatively, referring to fig. 3 and 6, the mounting groove 13 has a first groove 131 and a second groove 132 which are communicated with each other, and the width of the first groove 131 is smaller than the width of the second groove 132;

the first threaded fastener 31 and/or the second threaded fastener 32 comprise a threaded rod 301 and a head 302 connected to each other, the outer diameter of the threaded rod 301 is smaller than the outer diameter of the head 302, the threaded rod 301 is fixed in the first groove 131, and the head 302 is fixed in the second groove 132.

Specifically, as shown in fig. 3 and 6, the mounting groove 13 has a first groove 131 and a second groove 132 which are communicated with each other, and the width of the first groove 131 is smaller than the width of the second groove 132, that is, a stepped sink fixing position is formed between the first groove 131 and the second groove 132. The fixing surface 1321, i.e., the bottom surface, of the second groove 132 is located between the sidewall of the second groove 132 and the sidewall of the first groove 131 for abutting the threaded fastener. The first threaded fastener 31 and/or the second threaded fastener 32 comprises a threaded rod 301 and a head 302 which are connected with each other, wherein the outer diameter of the threaded rod 301 is smaller than the outer diameter of the head 302, when the threaded fastener is arranged in the mounting groove 13 in a penetrating manner, the threaded rod 301 is fixed in the first groove 131, the head of the lower end of the threaded rod is abutted against the fixing surface 1321 of the second groove 132, and the shaking displacement of the threaded fastener in the axial direction is limited. While the head of the upper end of the threaded fastener is secured to the upper cover plate 21. Due to the arrangement of the fixed positions of the sinking tables of the mounting grooves 13, effective limiting fixation is formed for the threaded fasteners, so that the threaded fasteners do not need to penetrate through the whole upper cover plate, the whole lower cover plate and the upper clamping and the lower clamping, the disassembly difficulty is reduced, and adverse effects of a magnetic field on the bus duct are reduced.

Alternatively, referring to fig. 3 and 6, the cross section of the mounting groove 13 may be curved along the axial direction of the first screw fastener 31 and/or the second screw fastener 32.

Specifically, as shown in fig. 3 and 6, the cross section of the mounting groove 13 is arcuate along the axial direction of the threaded fastener. Namely, the side wall of the mounting groove 13 is an arc-shaped surface, so that stress is effectively dispersed, the side wall is matched with the arc-shaped outer Zhou Lianghao of the threaded fastener, and the fixing force of the threaded fastener in the mounting groove 13 is enhanced.

Alternatively, referring to fig. 1 to 3, the mounting groove 13 penetrates through a first end surface 103 and a second end surface 104 of the upper clip 11 or the lower clip 12, and the first end surface 103 and the second end surface 104 are opposite in orientation.

Specifically, as shown in fig. 1 to 3, the upper clip 11 is exemplified by the mounting groove 13 penetrating the upper and lower end surfaces, which are the first and second end surfaces 103 and 104 of the upper clip 11. The installation groove 13 that link up from top to bottom provides the space of screw fastener upper and lower adjustment on the one hand, and on the other hand, operating personnel can all carry out dismouting screw fastener from the first side 101 of upper clamping 11 and second terminal surface 104 department, has enlarged operating personnel's space of dismouting screw fastener, has promoted installation effectiveness.

Specifically, referring to fig. 1 and 7, the upper end of the side cover plate 23 is connected to the upper cover plate 21, the lower end is connected to the lower cover plate 22, and the side cover plate 23, the upper cover plate 21, and the lower cover plate 22 enclose a space in which the upper clip 11 and the lower clip 12 are located.

Alternatively, referring to fig. 1 to 3, the upper clip 11 and the lower clip 12 are each provided with at least two slots 14 arranged at intervals;

the slot 14 of the upper clip 11 penetrates through two opposite sides of the upper clip 11 and the second end face 104 of the upper clip 11, the slot 14 of the lower clip 12 penetrates through two opposite sides of the lower clip 12 and the first end face 103 of the lower clip 12, the second end face 104 of the upper clip 11 faces the first end face 103 of the lower clip 12, and the slot 14 is used for plugging the copper bar 4.

Specifically, as shown in fig. 1 to 3, each of the upper clip 11 and the lower clip 12 is provided with at least two slots 14 arranged at intervals, and the slots 14 are used for inserting the copper bars 4. The slot 14 of the upper clip 11 penetrates the first side surface 101, the second side surface 102 and the second end surface 104 of the upper clip 11, that is, penetrates in the thickness direction of the upper clip 11, and opens to the lower clip 12 below. The slot 14 of the lower clip 12 penetrates the first side surface 101, the second side surface 102 and the first end surface 103 of the lower clip 12, that is, the upper clip 11 which penetrates in the thickness direction of the lower clip 12 and has an opening facing upward. Therefore, the openings of the slots 14 of the upper and lower clips are opposite, and a pair of slots 14 at corresponding positions are used for fixing the same group of copper bars 4. The number of the slots 14 is two, three or more, and the specific number is set according to the number of the copper bars 4 and the specification and the size of the clip, which is not limited in this embodiment. The slot 14 is suitable for the copper bar 4 and the bus duct, and improves the fixing stability and the insulation of the conductive copper bar 4.

Alternatively, referring to fig. 1 to 3, the upper clip 11 and the lower clip 12 are each provided with a first heat radiation hole 15, the first heat radiation holes 15 penetrating through two opposite sides of the upper clip 11 or the lower clip 12;

the cover plate 2 is provided with a second heat dissipation hole 231.

Specifically, as shown in fig. 1 to 3, the upper clip 11 and the lower clip 12 are each provided with a first heat radiation hole 15, and the first heat radiation holes 15 penetrate through the first side face 101 and the second side face 102 of the upper clip 11 and the lower clip 12 in the thickness direction. The first heat dissipation holes 15 are used for forming convection heat dissipation of the clamp along the thickness direction in the power transmission and distribution process, so that heat in the clamp is effectively discharged, and the temperature rise caused by heating of the copper bar 4 is avoided. The number of the first heat dissipation holes 15 is one, two or more, and the larger the number is, the better the heat dissipation effect is, while considering the mechanical strength of the clip. The side cover plates 23 are provided with the second heat dissipation holes 231, the second heat dissipation holes 231 arranged on the side cover plates 23 on the two sides are aligned to form convection ventilation heat dissipation between the two sides of the bus duct, so that heat in the bus duct is effectively discharged, and the influence of the excessive temperature rise of the bus duct on normal working operation is avoided. The second heat dissipation holes 231 may be distributed along the height and length directions of the bus duct. The number is set to one, two or more. The shapes of the first and second heat dissipation holes 15 and 231 may be set to be circular, rectangular or elliptical. And the first heat dissipation holes 15 can also reduce the manufacturing cost of the clip material.

Alternatively, referring to fig. 1 to 3, the first heat dissipation holes 15 have circular arc chamfers.

Specifically, as shown in fig. 1 to 3, the first heat dissipation hole 15 has a rectangular main body shape, and four corners thereof are transited by arc chamfer angles. The strength of the first heat dissipation holes 15 is enhanced, and local stress is prevented.

Alternatively, referring to fig. 1 to 3, the number of the first heat dissipation holes 15 is at least two, and at least one first heat dissipation hole 15 is disposed between two adjacent slots 14.

Specifically, as shown in fig. 1 to 3, the number of the first heat dissipation holes 15 is at least two. At least one first heat dissipation hole 15 is arranged between two adjacent slots 14, and at least one slot 14 is arranged between two adjacent first heat dissipation holes 15. Namely, the slots 14 and the first heat dissipation holes 15 are arranged in a staggered manner, and the copper bars 4 in the slots 14 are uniformly cooled.

Optionally, the upper clip 11 and the lower clip 12 are phenolic molding compound clips.

Specifically, the upper clip 11 and the lower clip 12 are made of DMC (Dough Moulding Compound, phenolic molding compound) and are semi-rigid paste obtained by mixing and drying unsaturated polyester resin with various fillers and fiber reinforcements, and the semi-rigid paste has the advantages of no water absorption, low toxicity, environmental protection, excellent electrical insulation, chemical corrosion resistance, thermal stability and good mechanical properties.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are to be protected by the present utility model.

Claims

1. The bus duct comprises a cover plate, wherein the cover plate comprises an upper cover plate and a lower cover plate, and the upper cover plate and the lower cover plate are arranged oppositely;

2. The busway of claim 1, wherein the mounting slot has a first slot and a second slot in communication with each other, the first slot having a width that is less than a width of the second slot;

3. The busway of claim 1, wherein the cross-section of the mounting slot is arcuate in the axial direction with the first threaded fastener and/or the second threaded fastener.

4. The busway of claim 1, wherein the mounting slot extends through a first end face and a second end face of the upper clip or the lower clip, the first end face being oppositely oriented from the second end face.

5. The busway of claim 1, wherein the cover plate further comprises a side cover plate connecting the upper cover plate with the lower cover plate, the cover plate enclosing to form a receiving space, the upper clip and the lower clip being disposed in the receiving space.

6. The bus duct of claim 1, wherein the upper clip and the lower clip are each provided with at least two spaced apart slots;

7. The bus duct of claim 6, wherein the upper clip and the lower clip are each provided with a first heat sink that passes through two opposing sides of the upper clip or the lower clip;

and the cover plate is provided with a second heat dissipation hole.

8. The busway of claim 7, wherein the first heat sink aperture has a rounded chamfer.

9. The bus duct of claim 7, wherein the number of first heat dissipation holes is at least two, and at least one first heat dissipation hole is disposed between two adjacent slots.

10. The busway of any of claims 1-9, wherein the upper clip and the lower clip are phenolic molding compound clips.