CN108539693B - Bus combined copper bar fixed mounting structure - Google Patents
Bus combined copper bar fixed mounting structure Download PDFInfo
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- CN108539693B CN108539693B CN201810650112.XA CN201810650112A CN108539693B CN 108539693 B CN108539693 B CN 108539693B CN 201810650112 A CN201810650112 A CN 201810650112A CN 108539693 B CN108539693 B CN 108539693B
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- copper bar
- shell
- clamp
- fixing
- fixed mounting
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/02—Open installations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/02—Open installations
- H02G5/025—Supporting structures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Installation Of Bus-Bars (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a bus combined copper bar fixed mounting structure, which comprises: the aluminum profile shell is internally provided with at least two fixed mounting plates in a shell accommodating cavity of the aluminum profile shell, the front surface of each fixed mounting plate is respectively provided with at least two copper bar fixing seats in a threaded manner, and each copper bar fixing seat is respectively provided with a fixing seat clamping groove; the left edge part of the leftmost fixed mounting plate and the right edge part of the rightmost fixed mounting plate are respectively provided with a copper bar fixing clamp which is provided with a fixing clamp clamping groove; the electric copper bars are embedded in the housing accommodating cavity, two ends of each electric copper bar are respectively clamped and fixed through copper bar fixing clamps on corresponding sides, and the middle parts of the electric copper bars are clamped in the clamping grooves of the fixing seats. The invention has the advantages of novel design and good stability and reliability.
Description
Technical Field
The invention relates to the technical field of bus devices, in particular to a bus combined type copper bar fixed mounting structure.
Background
With the advent of modern industrial facilities and equipment, the power consumption of various industries is rapidly increased, and particularly, the occurrence of numerous high-rise buildings and large-scale factory workshops, the conventional cable serving as a power transmission wire cannot meet the requirements in a high-current transmission system, and the parallel connection use of multiple cables brings a plurality of inconveniences to field installation construction connection. The plug-in bus is used as a novel distribution wire, and compared with the traditional cable, the plug-in bus fully shows its superiority in the process of large current transmission, and simultaneously, due to the adoption of the novel technology and the novel process, the contact resistance and the temperature rise at the connection position of two ends of the bus and the plug-in position of a branching port are greatly reduced, and a high-quality insulating material is used in the bus duct, so that the safety and the reliability of the bus duct are improved, and the whole system is more perfect.
The bus is a system composed of a metal plate as a protective shell, a conductive bar, an insulating material and related accessories. It can be made into segments with standard length, and every other distance a plug-in junction box is set, and also can be made into the feed type closed bus without junction box in the middle. The bus brings great convenience for feeding, installation and maintenance.
For the existing bus device, in the actual use process, the defects of poor stability and reliability and unreasonable structural design of copper bar installation exist.
Disclosure of Invention
The invention aims to provide a bus combined type copper bar fixed mounting structure aiming at the defects of the prior art, and the bus combined type copper bar fixed mounting structure is novel in design, stable and good in reliability.
In order to achieve the above object, the present invention is achieved by the following technical scheme.
The invention provides a bus combined copper bar fixed mounting structure, which comprises the following components: an aluminum profile shell in a strip shape;
a shell accommodating cavity which is opened forwards and completely penetrates left and right along the length direction of the aluminum profile shell is formed in the aluminum profile shell;
at least two fixed mounting plates which are respectively fastened on the front surface of the rear side plate of the shell through locking screws in a threaded manner and are sequentially distributed along the length direction of the aluminum profile shell are arranged in the shell accommodating cavity of the aluminum profile shell, at least two copper bar fixing seats which are sequentially distributed along the length direction of the aluminum profile shell are respectively fastened on the front surface of each fixed mounting plate through the locking screws in a threaded manner, and each copper bar fixing seat is respectively provided with a fixing seat clamping groove which is opened forwards and completely penetrated left and right;
the left end edge part of the leftmost fixed mounting plate and the right end edge part of the rightmost fixed mounting plate are respectively provided with a copper bar fixing clamp, and the copper bar fixing clamp is provided with a fixing clamp clamping groove;
the electric connection copper bar extending along the length direction of the aluminum profile shell is embedded in the shell accommodating cavity of the aluminum profile shell, the left end part of the electric connection copper bar is clamped in the fixing clamp clamping groove of the left copper bar fixing clamp, the right end part of the electric connection copper bar is clamped in the fixing clamp clamping groove of the right copper bar fixing clamp, and the middle part of the electric connection copper bar is clamped in the fixing seat clamping groove of each copper bar fixing seat.
Further, each copper bar fixing clamp comprises a copper bar front clamp body and a copper bar rear clamp body positioned at the rear end side of the copper bar front clamp body, wherein the copper bar front clamp body and the copper bar rear clamp body are respectively hard plastic clamp bodies, and the copper bar front clamp body and the copper bar rear clamp body of each copper bar fixing clamp are fastened on the front surface of a corresponding fixing mounting plate through locking screws in a threaded manner.
Wherein each copper bar fixing seat is respectively a hard plastic fixing seat,
further, the front clamp body of the copper bar is provided with a front clamp body clamping groove which is opened backwards and completely penetrates left and right, the rear clamp body of the copper bar is provided with a rear clamp body clamping groove which is opened forwards and completely penetrates left and right, the front clamp body clamping groove and the rear clamp body clamping groove are arranged in a front-back alignment manner, and the front clamp body clamping groove and the rear clamp body clamping groove jointly form a fixed clamp clamping groove.
Further, the fixing seat clamping grooves of all the copper bar fixing seats and the fixing clamp clamping grooves of all the copper bar fixing clamps are aligned in left-right sequence.
Further, the aluminum profile shell comprises a shell upper side plate, a shell lower side plate and a shell rear side plate which are transversely arranged along the left-right direction, wherein the shell upper side plate is positioned on the upper end side of the shell lower side plate, the upper end edge part of the shell rear side plate is connected with the rear end edge part of the shell upper side plate, and the lower end edge part of the shell rear side plate is connected with the rear end edge part of the shell lower side plate.
Wherein, the upper side plate of the shell, the lower side plate of the shell and the rear side plate of the shell are of an integrated structure.
Wherein, the fixed mounting plate is the steel sheet.
Wherein, the copper bar fixing seat is an epoxy resin fixing seat.
Wherein, the copper bar fixation clamp is epoxy fixation clamp.
The beneficial effects of the invention are as follows: the invention provides a bus combined copper bar fixed mounting structure, which comprises an aluminum profile shell in a strip shape, wherein a shell accommodating cavity which is open towards the front and completely penetrates left and right along the length direction of the aluminum profile shell is formed in the aluminum profile shell; at least two fixed mounting plates which are respectively fastened on the front surface of the rear side plate of the shell through locking screws in a threaded manner and are sequentially distributed along the length direction of the aluminum profile shell are arranged in the shell accommodating cavity of the aluminum profile shell, at least two copper bar fixing seats which are sequentially distributed along the length direction of the aluminum profile shell are respectively fastened on the front surface of each fixed mounting plate through the locking screws in a threaded manner, and each copper bar fixing seat is respectively provided with a fixing seat clamping groove which is opened forwards and completely penetrated left and right; the left end edge part of the leftmost fixed mounting plate and the right end edge part of the rightmost fixed mounting plate are respectively provided with a copper bar fixing clamp, and the copper bar fixing clamp is provided with a fixing clamp clamping groove; the electric connection copper bar extending along the length direction of the aluminum profile shell is embedded in the shell accommodating cavity of the aluminum profile shell, the left end part of the electric connection copper bar is clamped in the fixing clamp clamping groove of the left copper bar fixing clamp, the right end part of the electric connection copper bar is clamped in the fixing clamp clamping groove of the right copper bar fixing clamp, and the middle part of the electric connection copper bar is clamped in the fixing seat clamping groove of each copper bar fixing seat. Through the structural design, the invention has the advantages of novel structural design and good stability and reliability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a bus combined copper bar fixing and mounting structure according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of a bus bar combined copper bar fixing and mounting structure according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a copper bar fixing clip of a bus combined copper bar fixing and mounting structure according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a copper bar fixing seat of a bus combined copper bar fixing and mounting structure according to an embodiment of the present invention.
Icon: 1-an aluminum profile shell; 11-housing receiving cavities; 12-a shell upper side plate; 13-a shell lower side plate; 14-a shell rear side plate; 2-fixing the mounting plate; 3-copper bar fixing seats; 31-a fixing seat clamping groove; 4-copper bar fixing clips; 41-a copper bar front clamp body; 411-front clip body holding groove; 42-a copper bar rear clamp body; 421-a rear clip body clamping groove; and 5-connecting the electric copper bars.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In various embodiments of the invention, the expression "a or/and B" includes any or all combinations of the words listed simultaneously, e.g., may include a, may include B, or may include both a and B.
In the description of the present invention, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
The terminology used in the various embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the invention. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the invention belong. The terms (such as those defined in commonly used dictionaries) will be interpreted as having a meaning that is the same as the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in connection with the various embodiments of the invention.
In the description of the present invention, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Fig. 1 is a schematic structural diagram of a bus combined copper bar fixing and mounting structure provided in this embodiment; fig. 2 is an exploded schematic view of a bus bar combined copper bar fixing and mounting structure provided in the present embodiment; fig. 3 is a schematic structural diagram of a copper bar fixing clip according to the present embodiment; fig. 4 is a schematic structural diagram of a copper bar fixing seat provided in this embodiment.
As shown in fig. 1-4, the bus combined copper bar fixing and mounting structure provided in this embodiment includes a strip-shaped aluminum profile housing 1, and a housing accommodating cavity 11 which is open towards the front and completely penetrates left and right along the length direction of the aluminum profile housing 1 is formed in the aluminum profile housing 1;
further, at least two fixing mounting plates 2 which are respectively fastened on the front surface of the shell rear side plate 14 through locking screw screwing and sequentially arranged along the length direction of the aluminum profile shell 1 are arranged in the shell accommodating cavity 11 of the aluminum profile shell 1, at least two copper bar fixing seats 3 which are sequentially arranged along the length direction of the aluminum profile shell 1 are respectively fastened on the front surface of each fixing mounting plate 2 through the locking screw screwing, each copper bar fixing seat 3 is a hard plastic fixing seat, and each copper bar fixing seat 3 is provided with a fixing seat clamping groove 31 which is opened forwards and penetrates through left and right completely.
Further, the left edge part of the leftmost fixing mounting plate 2 and the right edge part of the rightmost fixing mounting plate 2 are respectively provided with copper bar fixing clips 4, each copper bar fixing clip 4 comprises a copper bar front clip body 41 and a copper bar rear clip body 42 positioned at the rear end side of the copper bar front clip body 41, the copper bar front clip body 41 and the copper bar rear clip body 42 are respectively hard plastic clip bodies, the copper bar front clip body 41 and the copper bar rear clip body 42 of each copper bar fixing clip 4 are fastened on the front surface of the corresponding fixing mounting plate 2 through locking screws in a threaded manner, the copper bar front clip body 41 is provided with a front clip body clamping groove 411 which is opened backwards and penetrates completely left and right, the copper bar rear clip body 42 is provided with a rear clip body clamping groove 421 which is opened forwards and completely left and right, and the front clip body clamping groove 411 and the rear clip body clamping groove 421 are aligned forwards and backwards, and the front clip body clamping groove 411 and the rear clip body clamping groove 421 form a fixing clip groove together; the fixing seat clamping grooves 31 of all the copper bar fixing seats 3 and the fixing clamp clamping grooves of all the copper bar fixing clamps 4 are aligned in left-right sequence.
In addition, the housing accommodating cavity 11 of the aluminum profile housing 1 is embedded with the power receiving copper bar 5 extending along the length direction of the aluminum profile housing 1, the left end part of the power receiving copper bar 5 is clamped in the fixing clamp clamping groove of the left copper bar fixing clamp 4, the right end part of the power receiving copper bar 5 is clamped in the fixing clamp clamping groove of the right copper bar fixing clamp 4, and the middle part of the power receiving copper bar 5 is clamped in the fixing seat clamping groove 31 of each copper bar fixing seat 3.
Further, the aluminum profile housing 1 includes a housing upper side plate 12, a housing lower side plate 13, and a housing rear side plate 14 arranged vertically and laterally, wherein the housing upper side plate 12 is located at an upper end side of the housing lower side plate 13, an upper end edge portion of the housing rear side plate 14 is connected with a rear end edge portion of the housing upper side plate 12, and a lower end edge portion of the housing rear side plate 14 is connected with a rear end edge portion of the housing lower side plate 13.
The upper side plate 12, the lower side plate 13 and the rear side plate 14 are integrally formed.
Further, at least two fixing mounting plates 2 which are respectively fastened on the front surface of the shell rear side plate 14 through locking screw screwing and sequentially arranged along the length direction of the aluminum profile shell 1 are arranged in the shell accommodating cavity 11 of the aluminum profile shell 1, at least two copper bar fixing seats 3 which are sequentially arranged along the length direction of the aluminum profile shell 1 are respectively fastened on the front surface of each fixing mounting plate 2 through the locking screw screwing, each copper bar fixing seat 3 is a hard plastic fixing seat, and each copper bar fixing seat 3 is provided with a fixing seat clamping groove 31 which is opened forwards and penetrates through left and right completely.
It should be further explained that the fixing mounting plate 2 is a steel plate, the copper bar fixing seat 3 is an epoxy resin fixing seat, and the copper bar fixing clamp 4 is an epoxy resin fixing clamp.
In the installation process of the embodiment of the invention, the fixed installation plate 2 is fastened on the front surface of the shell rear side plate 14 of the aluminum profile shell 1 through the locking screw in a threaded manner, then the copper bar fixing seats 3 and the copper bar rear clamp bodies 42 of the copper bar fixing clamps 4 are fastened on the front surface of the corresponding fixed installation plate 2 through the locking screw in a threaded manner, then the power-on copper bars 5 are inserted into the fixing seat clamping grooves 31 of the copper bar fixing seats 3 and the rear clamp body clamping grooves 421 of the copper bar rear clamp bodies 42 in a threaded manner, and finally the copper bar front clamp bodies 41 are fastened on the corresponding copper bar rear clamp bodies 42 through the locking screw in order to clamp the power-on copper bars 5 in the fixing clamp clamping grooves and the fixing seat clamping grooves 31.
It should be emphasized that, in the embodiment of the present invention, two ends of the electric connection copper bar 5 are clamped and fixed by two copper bar fixing clips 4, and the middle part of the electric connection copper bar 5 is fixed in an auxiliary manner by a fixing seat clamping groove 31 of the copper bar fixing seat 3; the structure design can ensure that the power connection copper bar 5 is stably and reliably arranged inside the bus shell, and the stability and the reliability are good.
According to the above situation, through the structural design, the embodiment of the invention has the advantages of novel structural design and good stability and reliability.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (7)
1. The utility model provides a generating line combination formula copper bar fixed mounting structure which characterized in that includes: an aluminum profile shell (1) in a strip shape;
a shell accommodating cavity (11) which is opened forwards and completely penetrates left and right along the length direction of the aluminum profile shell (1) is formed in the aluminum profile shell (1);
at least two fixed mounting plates (2) which are respectively fastened on the front surface of a shell rear side plate (14) through locking screws in a screwed manner and are sequentially arranged along the length direction of the aluminum profile shell (1) are arranged in a shell accommodating cavity (11) of the aluminum profile shell (1), at least two copper bar fixing seats (3) which are sequentially arranged along the length direction of the aluminum profile shell (1) are respectively fastened on the front surface of each fixed mounting plate (2) through the locking screws in a screwed manner, and each copper bar fixing seat (3) is respectively provided with a fixing seat clamping groove (31) which is opened forwards and penetrates left and right completely;
the copper bar fixing clamp (4) is respectively arranged at the left end edge part of the leftmost fixing mounting plate (2) and the right end edge part of the rightmost fixing mounting plate (2), and a fixing clamp clamping groove is formed in the copper bar fixing clamp (4);
the electric connection copper bar (5) extending along the length direction of the aluminum profile shell (1) is embedded in the shell accommodating cavity (11) of the aluminum profile shell (1), the left end part of the electric connection copper bar (5) is clamped in a fixed clamping groove of a left copper bar fixing clamp (4), the right end part of the electric connection copper bar (5) is clamped in a fixed clamping groove of a right copper bar fixing clamp (4), and the middle part of the electric connection copper bar (5) is clamped in a fixing seat clamping groove (31) of each copper bar fixing seat (3);
each copper bar fixing clamp (4) comprises a copper bar front clamp body (41) and a copper bar rear clamp body (42) positioned at the rear end side of the copper bar front clamp body (41), and the copper bar front clamp body (41) and the copper bar rear clamp body (42) of each copper bar fixing clamp (4) are fastened on the front surface of the corresponding fixing mounting plate (2) through locking screws in a threaded manner;
the copper bar front clamp body (41) and the copper bar rear clamp body (42) are respectively hard plastic clamp bodies;
front clamp clamping grooves (411) which are opened backwards and completely penetrate left and right are formed in the front clamp (41) of the copper bar, rear clamp clamping grooves (421) which are opened forwards and completely penetrate left and right are formed in the rear clamp (42) of the copper bar, and the front clamp clamping grooves (411) and the rear clamp clamping grooves (421) are arranged in a front-back alignment mode, and the front clamp clamping grooves (411) and the rear clamp clamping grooves (421) form fixed clamp clamping grooves together.
2. The bus bar combined type copper bar fixed mounting structure according to claim 1, wherein the fixing seat clamping grooves (31) of all the copper bar fixing seats (3) and the fixing clamp clamping grooves of all the copper bar fixing clamps (4) are aligned in left-right sequence.
3. The bus bar combined type copper bar fixed mounting structure according to claim 1, wherein the aluminum profile shell (1) comprises a shell upper side plate (12), a shell lower side plate (13) and a shell rear side plate (14) which are respectively and transversely arranged along the left-right direction, the shell upper side plate (12) is positioned on the upper end side of the shell lower side plate (13), the upper end edge part of the shell rear side plate (14) is connected with the rear end edge part of the shell upper side plate (12), and the lower end edge part of the shell rear side plate (14) is connected with the rear end edge part of the shell lower side plate (13).
4. The bus bar combined type copper bar fixed mounting structure according to claim 3, wherein the upper side plate (12), the lower side plate (13) and the rear side plate (14) are integrally formed.
5. The busbar modular copper bar fixed mounting structure according to claim 1, wherein the fixed mounting plate (2) is a steel plate.
6. The busbar modular copper bar fixed mounting structure according to claim 1, wherein the copper bar fixing base (3) is an epoxy resin fixing base.
7. The busbar modular copper bar fixed mounting structure of claim 1, wherein the copper bar fixation clamp (4) is an epoxy fixation clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810650112.XA CN108539693B (en) | 2018-06-22 | 2018-06-22 | Bus combined copper bar fixed mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810650112.XA CN108539693B (en) | 2018-06-22 | 2018-06-22 | Bus combined copper bar fixed mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108539693A CN108539693A (en) | 2018-09-14 |
| CN108539693B true CN108539693B (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810650112.XA Active CN108539693B (en) | 2018-06-22 | 2018-06-22 | Bus combined copper bar fixed mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108539693B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311339B (en) * | 2019-08-02 | 2024-02-23 | 广东电网有限责任公司 | Bus incoming box |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5854445A (en) * | 1996-08-06 | 1998-12-29 | General Electric Company | Thermally efficient power busway system with integral clamping mechanism |
| CN203660465U (en) * | 2014-01-21 | 2014-06-18 | 浙江港亨输变电有限公司 | Bus duct for power transmission and transformation |
| CN207343526U (en) * | 2017-10-28 | 2018-05-11 | 广东龙辉科技有限公司 | A kind of new-type copper bar recking means for cargo |
-
2018
- 2018-06-22 CN CN201810650112.XA patent/CN108539693B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5854445A (en) * | 1996-08-06 | 1998-12-29 | General Electric Company | Thermally efficient power busway system with integral clamping mechanism |
| CN203660465U (en) * | 2014-01-21 | 2014-06-18 | 浙江港亨输变电有限公司 | Bus duct for power transmission and transformation |
| CN207343526U (en) * | 2017-10-28 | 2018-05-11 | 广东龙辉科技有限公司 | A kind of new-type copper bar recking means for cargo |
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| Publication number | Publication date |
|---|---|
| CN108539693A (en) | 2018-09-14 |
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