CN210898435U

CN210898435U - Bus duct with pretension effect

Info

Publication number: CN210898435U
Application number: CN201922166134.1U
Authority: CN
Inventors: 刘洋
Original assignee: Jiangsu Zhongshun Electric Co ltd
Current assignee: Jiangsu Zhongshun Electric Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-06-30
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a bus duct with pretension efficiency relates to bus duct technical field. The utility model comprises cover plates which are arranged in parallel and are positioned at the upper side and the lower side, two side plates are fixed between the two cover plates, and the inner side surfaces of the side plates are connected with an extrusion plate through a plurality of elastic pretensioning pieces; the side plate comprises a rectangular plate body, and flanges A are arranged on two sides of the rectangular plate body; the outer side surface of the rectangular plate body is provided with a plurality of heat dissipation grooves in parallel along the length direction. The utility model discloses bus duct casing leads to and sets up elasticity pretension piece and to the elastic pretension effect of conductor, can avoid producing the gap between bus duct casing and the conductor, guarantees bus duct heat-sinking capability, the temperature rise when finally reducing bus duct operation.

Description

Bus duct with pretension effect

Technical Field

The utility model belongs to the technical field of the bus duct, especially, relate to a bus duct with pretension efficiency.

Background

When the bus duct adopts a dense insulation mode, the conductor is close to the shell, and heat generated by the conductor can be quickly transferred to the shell in a conduction mode so as to be dissipated. If because the bus duct assembly is not tight or the bus duct is heated the inflation and causes the slight deformation of casing, appear the gap between conductor and the casing, the heat transfer mode becomes to carry out convection and radiation for the air through in the gap from the conduction between the solid, and the radiating efficiency sharply drops, and the inside heat of bus duct gives off and does not go out, causes the temperature rise to rise, endangers bus duct operation safety, so the inseparable degree direct influence of conductor and casing to the heat dissipation of bus duct, and then influences the temperature rise of bus duct operation.

The existing bus duct conductor has a large gap with a shell, and the heat dissipation effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bus duct with pretension efficiency to solve the problem that above-mentioned background art provided.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a bus duct with pretension efficiency, including parallel arrangement and the apron that is located both sides about and, two be fixed with the both sides board between the apron, the medial surface of curb plate is connected with the stripper plate through a plurality of elasticity pretension pieces.

Furthermore, the side plate comprises a rectangular plate body, and flanges A are arranged on two sides of the rectangular plate body; the outer side surface of the rectangular plate body is provided with a plurality of heat dissipation grooves in parallel along the length direction.

Furthermore, the cross section of the heat dissipation groove is of a V-shaped structure.

Further, the elastic preload member is an "O" shaped tube.

Furthermore, the elastic pre-tightening piece is one of a V-shaped plate, a C-shaped plate, a V-shaped plate or a W-shaped plate.

Furthermore, the cover plate comprises a rectangular base plate, and flanges B are arranged on two sides of the rectangular base plate; the rectangular substrate is provided with at least one arc-shaped deformation part.

Furthermore, a structural reinforcing plate is fixed on the outer side face of the cover plate, waist-shaped holes are respectively formed in two ends of the structural reinforcing plate, the structural reinforcing plate is fixed on the outer side face of the cover plate through fixing screws, and the fixing screws penetrate through the waist-shaped holes.

The utility model discloses following beneficial effect has:

the utility model discloses bus duct casing leads to and sets up elasticity pretension piece and has the elasticity pretension effect to the conductor, can avoid producing the gap between bus duct casing and the conductor, guarantees bus duct heat-sinking capability, the temperature rise when finally reducing the bus duct operation.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a bus duct in embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a bus duct in embodiment 2 of the present invention;

FIG. 3 is a schematic view of the side plate structure of the present invention;

fig. 4 is a schematic front view of a cover plate according to embodiment 2 of the present invention;

fig. 5 is a schematic top view of a cover plate according to embodiment 2 of the present invention;

fig. 6 is a schematic enlarged view of a portion a in fig. 5.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

Referring to fig. 1 and 3, the present invention relates to a bus duct with pre-tightening effect, which includes cover plates 1 disposed in parallel and located at the upper and lower sides, two side plates 2 fixed between the two cover plates 1, and a plurality of elastic pre-tightening members 4 connecting the inner side surfaces of the side plates 2 to a pressing plate 3.

The cover plate 1 is fixedly connected with the side plate 2 through a fixing bolt 21.

Preferably, the side plate 2 comprises a rectangular plate body 20, and flanges a22 are arranged on two sides of the rectangular plate body 20; the outer side of the rectangular plate 20 is provided with a plurality of heat dissipation grooves 23 in parallel along the length direction.

Preferably, the cross-section of the heat dissipation groove 23 is a V-shaped structure.

Through the setting of elasticity pretension piece 4 for when the installation, utilize elasticity pretension piece 4's elastic contraction effect to produce elastic pressure, thereby will be located two apron 1 and the installation cavity 5 between the two side boards 2 installation in the electrically conductive female arranging extrusion hug closely, be convenient for install. Meanwhile, the heat dissipation effect of the side plate 2 is enhanced by utilizing a gap generated by the elastic preload piece 4 between the side plate 2 and the extrusion plate 3 and the arranged heat dissipation groove 23.

Preferably, the elastic preload member 4 is an "O" shaped tube.

Example 2

Referring to fig. 2 and 4-6, the present invention relates to a bus duct with pre-tightening effect, which includes cover plates 1 disposed in parallel and located at the upper and lower sides, two side plates 2 fixed between the two cover plates 1, and extrusion plates 3 connected to the inner side surfaces of the side plates 2 through a plurality of elastic pre-tightening members 4. Preferably, the side plate 2 comprises a rectangular plate body 20, and flanges a22 are arranged on two sides of the rectangular plate body 20; the outer side of the rectangular plate 20 is provided with a plurality of heat dissipation grooves 23 in parallel along the length direction.

Preferably, the elastic preload member 4 is a C-shaped plate.

Preferably, the cover plate 1 comprises a rectangular base plate 10, and flanges B12 are arranged on two sides of the rectangular base plate 10; be equipped with an at least arc deformation portion 11 on the rectangular substrate 10, through the setting of arc deformation portion 11 for apron 1 can be followed and controlled flexible, utilizes the atress of arc deformation portion 11 to warp characteristics and produce elastic pressure, thereby will be located two apron 1 and the installation cavity 5 between the two side boards 2 installation electrically conductive female arranging extrusion hug closely, is convenient for install.

Preferably, a structural reinforcing plate 13 is fixed on the outer side surface of the cover plate 1, the structural reinforcing plate 13 is a rectangular plate strip, two ends of the structural reinforcing plate 13 are respectively provided with a waist-shaped hole 14 and are fixed on the outer side surface of the cover plate 1 through a fixing screw 15, and the fixing screw 15 penetrates through the waist-shaped hole 14; the arrangement of the structure reinforcing plate 13 avoids the bending of the cover plate 1 outwards integrally in the deformation process due to the arc-shaped deformation part 11, so that the overall structure of the bus duct is influenced. Meanwhile, through the waist-shaped hole 14, in actual use, the arc-shaped deformation part 11 of the cover plate 1 deforms to generate left and right shrinkage, so that the waist-shaped hole 14 of the structural reinforcing plate 13 is matched with the fixing screw 15 to generate left and right movement.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A bus duct with pretension efficiency, its characterized in that: the cover plate comprises cover plates (1) which are arranged in parallel and located at the upper side and the lower side, two side plates (2) are fixed between the cover plates (1), and the inner side surfaces of the side plates (2) are connected with an extrusion plate (3) through a plurality of elastic pretensioning pieces (4).

2. The bus duct with the pre-tightening effect as claimed in claim 1, wherein the side plate (2) comprises a rectangular plate body (20), and flanges A (22) are arranged on two sides of the rectangular plate body (20); the outer side surface of the rectangular plate body (20) is provided with a plurality of radiating grooves (23) in parallel along the length direction.

3. The bus duct with the pre-tightening effect as claimed in claim 2, wherein the cross section of the heat dissipation groove (23) is a V-shaped structure.

4. The bus duct with pre-tightening effect as claimed in claim 1, wherein the elastic pre-tightening member (4) is an "O" type pipe.

5. The bus duct with the pre-tightening effect as claimed in claim 1, wherein the elastic pre-tightening piece (4) is one of a V-shaped plate, a C-shaped plate, a V-shaped plate or a W-shaped plate.

6. The bus duct with the pre-tightening effect as claimed in claim 1, wherein the cover plate (1) comprises a rectangular base plate (10), and flanges B (12) are arranged on two sides of the rectangular base plate (10); the rectangular substrate (10) is provided with at least one arc-shaped deformation part (11).

7. The bus duct with the pre-tightening effect as claimed in claim 1 or 6, wherein a structural reinforcing plate (13) is fixed on the outer side surface of the cover plate (1), two ends of the structural reinforcing plate (13) are respectively provided with a kidney-shaped hole (14), and are fixed on the outer side surface of the cover plate (1) through a fixing screw (15), and the fixing screw (15) penetrates through the kidney-shaped hole (14).