CN110854777B - Dense insulated bus duct with joint side plates connected through cover plate - Google Patents
Dense insulated bus duct with joint side plates connected through cover plate Download PDFInfo
- Publication number
- CN110854777B CN110854777B CN201911384314.5A CN201911384314A CN110854777B CN 110854777 B CN110854777 B CN 110854777B CN 201911384314 A CN201911384314 A CN 201911384314A CN 110854777 B CN110854777 B CN 110854777B
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- cover plate
- bus
- joint
- plate
- plates
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Links
- 238000003825 pressing Methods 0.000 claims abstract description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 claims description 21
- 238000005192 partition Methods 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 4
- 238000005553 drilling Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
Classifications
-
- 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
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
Landscapes
- Installation Of Bus-Bars (AREA)
Abstract
The dense insulating bus duct is connected with the joint side plates through the cover plates, the joint side plates are simultaneously and fixedly connected to the upper bus cover plate and the lower bus cover plate of a bus duct product through side plate connecting holes in the horizontal direction in the cast aluminum cover plate connecting piece, the cover plate connecting piece is fixedly connected between the bus cover plate and the joint cover plate through vertical threaded connecting holes, no drilling connection is needed on the side plates, and the integrity of the side plates is not damaged; the grounding PE row end is tightly inserted between the joint side plate and the joint pressing plate, the grounding system connection is realized by the joint part, the process route is simplified, the mechanical structure strength is high, and the operation performance is stable and reliable; the acting force during packaging, carrying, mounting, connecting and working operation is simultaneously transmitted to the upper bus cover plate and the lower bus cover plate, so that shearing stress is not generated, the structure is simple, the mounting and the connecting operation are convenient, the appearance structure is regular and attractive, and the management is convenient.
Description
Technical Field
The invention relates to a dense insulating bus duct which is connected with a joint side plate through a cover plate in power transmission and distribution products for power transmission in the power industry.
Background
The connector of the bus duct product in the low-voltage electric switch equipment and the control equipment is externally provided with a connector cover plate and a connector side plate so as to ensure the protection level of the connector part of the bus duct system, the two ends of the connector cover plate of the traditional bus duct product are directly and fixedly connected with the bus section cover plate parts on two sides through bolts, one end of each side of the connector side plate is fixedly connected with the bus section side plate part, the other end of the connector side plate is matched with the connector pressing plate to be inserted into the connector, the structure of the side plate is required to be drilled through a cutting process, the integrity of the side plate structure is damaged, the grounding system of the bus duct product is also required to be externally provided with a grounding nut, the structure is complex, the mounting and the connection are complex, and the mechanical support strength and the dynamic and thermal stability in the working operation process of the side plate structure are influenced, and the connection is unreliable.
Disclosure of Invention
The invention aims to solve the technical problem of providing the dense insulation bus duct which can be connected with the connector side plate through the cover plate, is convenient in grounding connection operation, has a simple structure and is stable and reliable.
The invention relates to a dense insulating bus duct connected with a connector side plate through a cover plate, which comprises a shell formed by combining bus side plates on the left side and the right side and bus cover plates fixedly connected with the upper end and the lower end of the bus side plates on the two sides, wherein a phase line conductor group is arranged in an inner cavity of the shell to form a bus segment, the phase line conductor group is formed by tightly arranging multiphase phase line conductors, and one phase line conductor at the outermost side is a PE row; the two adjacent bus sections are connected and communicated through a connector assembly, the connector assembly is fixedly connected with a connector nut through the cooperation of a belleville spring after a connector bolt penetrates through connector pressing plates on two sides and a plurality of insulating separators arranged at the end parts of the phase line conductor wire groups at intervals, and a connector cover plate and a connector side plate are arranged outside the connector; the method is characterized in that: the two sides of the top of the bus cover plate are respectively provided with an upper folded edge extending vertically upwards, the top end of each upper folded edge is respectively provided with a limiting clamping edge extending inwards along the horizontal direction, two ends of the outer top surfaces of the upper bus cover plate and the lower bus cover plate of each bus section are respectively clamped with cover plate connecting pieces through the limiting clamping edges, the positions, close to the two ends, of the cover plate connecting pieces are respectively provided with vertical threaded connecting holes, the positions, corresponding to the vertical threaded connecting holes, of the cover plate connecting pieces of the bus sections on the two sides, of the joint cover plates are respectively provided with through holes, and the joint cover plates are fixedly connected with the upper cover plate connecting pieces of the bus cover plates of the bus sections on the two sides through bolts; the middle part of the cover plate connecting piece is provided with two side plate connecting holes in the horizontal direction, the section of the joint side plate is of a spoon-shaped structure, the outer side edge of the spoon part of the spoon-shaped structure is provided with an upper mounting hole and a lower mounting hole respectively corresponding to the same end side plate connecting holes of the two cover plate connecting pieces of the upper bus plate and the lower bus plate of the bus section, the joint side plate is simultaneously and fixedly connected to the two cover plate connecting pieces of the upper bus plate and the lower bus plate through the upper mounting hole and the lower mounting hole, and the part of the joint side plate corresponding to the handle part of the spoon-shaped structure is matched and inserted between the joint pressing plate and the outermost insulating partition plate; the PE row of the phase line conductor set is inserted between the corresponding side joint side plate and the outermost insulating partition plate, and is tightly contacted and conducted with the joint side plate and the joint pressing plate after being fastened and clamped by the joint bolts;
screw holes are also respectively formed at positions of the ends of the bus cover plates, which correspond to the vertical screw connection holes on the cover plate connecting pieces, and the joint cover plates are fixedly connected with bus cover plates of bus segments at two sides through the cover plate connecting pieces by bolts;
the inner surface of the joint pressing plate is provided with a first limiting step, and the end part of the joint side plate is matched with the first limiting step to provide limiting in the length direction;
a limiting groove is formed in the position, located outside the first limiting step, of the inner surface of the joint pressing plate, and a limiting boss capable of being clamped into the limiting groove is arranged on the outer side surface of the joint side plate;
the length of the cover plate connecting piece is matched with the distance between the inner side faces of the folded edges on the two sides of the top of the bus cover plate, the tops of the two ends of the cover plate connecting piece are respectively provided with a second limiting step, and the cover plate connecting piece can be plugged into the folded edges on the two sides of the top of the bus cover plate from the end part of the bus cover plate and is clamped between the folded edges on the two sides of the top of the bus cover plate through the matching of the second limiting steps and the limiting clamping edges on the two ends;
the two sides of the joint cover plate are provided with lower folded edges extending downwards, and the height of the inner side surface of each lower folded edge is matched with the height of the outer side surface of the upper folded edge of the bus side plate;
the cover plate connecting piece is an aluminum casting piece;
the bus cover plate, the bus side plate and the joint side plate are aluminum alloy sections formed by one-time pultrusion.
The dense insulating bus duct is connected with the joint side plates through the cover plates, the joint side plates are simultaneously and fixedly connected to the upper bus cover plate and the lower bus cover plate of a bus duct product through side plate connecting holes in the horizontal direction in the cast aluminum cover plate connecting piece, the cover plate connecting piece is fixedly connected between the bus cover plate and the joint cover plate through vertical threaded connecting holes, no drilling connection is needed on the side plates, and the integrity of the side plates is not damaged; the grounding PE row end is tightly inserted between the joint side plate and the joint pressing plate, the grounding system connection is realized by the joint part, the process route is simplified, the mechanical structure strength is high, and the operation performance is stable and reliable; the acting force during packaging, carrying, mounting, connecting and working operation is simultaneously transmitted to the upper bus cover plate and the lower bus cover plate, so that shearing stress is not generated, the structure is simple, the mounting and the connecting operation are convenient, the appearance structure is regular and attractive, and the management is convenient.
Drawings
FIG. 1 is a schematic diagram of a structure in which a joint side plate is connected with a cover plate connecting piece on upper and lower bus cover plates simultaneously through a cover plate in a dense insulated bus duct structure in an embodiment of the invention;
FIG. 2 is a schematic diagram of a dense insulated busway with a header side plate connected via a cover plate according to an embodiment of the present invention;
FIG. 3 is an enlarged view of the cross-sectional structure A-A of FIG. 2;
fig. 4 is an enlarged view of the B-B sectional structure of fig. 2.
Detailed Description
As shown in the figure, a dense insulated bus duct connected with a joint side plate through a cover plate, wherein the basic structure adopts a conventional dense insulated bus duct structure, namely: the bus bar assembly comprises a shell formed by combining bus bar side plates 10 on the left side and the right side and bus bar cover plates 1 fixedly connected to the upper end and the lower end of the bus bar side plates 10 on the two sides, a phase line conductor set 7 is arranged in an inner cavity of the shell, and the phase line conductor set 7 is formed by closely arranging multiphase phase line conductors to form bus bar sections of a dense insulating bus duct product; one phase conductor of the outermost phase conductor of one side of the phase conductor set 7 is a grounded PE row; the two adjacent bus sections are connected and conducted through a connector assembly to form a bus trunk system of the power equipment; the connector assembly is fixedly connected with the connector nut 6 through the matching of the belleville springs 5 after the connector bolts 11 penetrate through the connector pressing plates 4 on two sides and the insulating partition plates 8 arranged between the ends of each two phase conductors of the phase conductor line group 7 at intervals, and the connector cover plate 9 and the connector side plate 3 are arranged outside the connector to ensure the protection level of the connector part of the bus trunk line system.
The specific structure of this embodiment is: the two sides of the top of the bus cover plate 1 are respectively provided with an upper folded edge which extends vertically upwards, the top end of each upper folded edge is respectively provided with a limit clamping edge which extends inwards along the horizontal direction, two ends of the outer top surfaces of the upper bus cover plate 1 and the lower bus cover plate 1 of each section of bus section are respectively clamped with a groove box-shaped cover plate connecting piece 2 through the limit clamping edges, vertical threaded connecting holes 22 are respectively arranged at positions of the cover plate connecting pieces 2 close to the side walls of the two ends, through holes are respectively arranged at positions of the two ends of the joint cover plate 9 corresponding to the vertical threaded connecting holes 22 on the cover plate connecting pieces 2 of the bus sections on the two sides, and the joint cover plate 9 is fixedly connected with the bus cover plate 1 and the cover plate connecting pieces 2 of the bus sections on the two sides through bolts; two side plate connecting holes 21 in the horizontal direction are formed in the middle of a groove box-shaped inner cavity of the cover plate connecting piece 2, the section of the joint side plate 3 is similar to a spoon-shaped structure, an upper mounting hole 31 and a lower mounting hole 31 are respectively formed in the position, corresponding to the side plate connecting holes 21 at the same end of the two cover plate connecting pieces 2 of the upper bus bar cover plate 1 and the lower bus bar cover plate 1, of the spoon-shaped structure, the joint side plate 3 is fixedly connected to the two cover plate connecting pieces 2 of the upper bus bar cover plate 1 through the upper mounting holes 31 and the lower mounting holes 31 of the spoon-shaped structure at the same time, the part, corresponding to the handle of the spoon-shaped structure, of the joint side plate 3 is inserted into a space between the joint pressing plate 4 and the outermost insulating partition plate 8 in a matched mode, and the handle of the spoon-shaped structure of the joint side plate 3 is tightly clamped in the connector after the joint bolt 11 is tightly connected, so that the protection level meets the use requirements;
the PE row 71 of the phase line conductor set 7 is inserted into the space between the joint side plate 3 and the outermost insulating partition plate 8 at the corresponding side, and is tightly contacted and conducted with the joint side plate 3 and the joint pressing plate 4 at the same time after being fastened and clamped by the joint bolts 11, so that the connection of a grounding system is realized, the mechanical structure and the process steps are simplified, the efficiency is improved, and the grounding is reliable.
Further, a first limit step is arranged on the inner surface of the joint pressing plate 4, and the end part of the joint side plate 3 is matched with the first limit step to provide limit in the length direction; and a limiting groove 41 is formed in the position, located outside the first limiting step, of the inner surface of the joint pressing plate 4, a limiting boss 32 is arranged on the outer side face of the joint side plate 3, and the joint side plate 3 is clamped into the limiting groove 41 through the limiting boss 32 to be matched and limited.
In order to improve the connection strength, threaded holes are respectively arranged at the positions of the end part of the bus bar cover plate 1 corresponding to the vertical threaded connection holes 22 on the cover plate connecting piece 2, and bolts sequentially penetrate through the joint cover plate 9 and the cover plate connecting piece 2 from outside to inside and then are fixedly connected with the bus bar cover plate 1 of the bus bar section;
the length of the cover plate connecting piece 2 is set to be matched with the distance between the inner sides of the folded edges on the two sides of the top of the bus cover plate 1, second limit steps are respectively arranged at the tops of the two ends of the cover plate connecting piece 2, the cover plate connecting piece is plugged into the space between the folded edges on the two sides of the top of the bus cover plate from the end part of the bus cover plate 1, and limit in the vertical direction is provided through the cooperation of the second limit steps and the limit clamping edges at the two ends, so that the cover plate connecting piece 2 is clamped between the folded edges on the two sides of the top of the bus cover plate 1;
further, the two sides of the joint cover plate 9 are also provided with lower folded edges 91 which extend downwards, the height of the inner side surface of the lower folded edge 91 is matched with the height of the outer side surface of the upper folded edge of the bus side plate 1, the appearance is neat and attractive, the protection is reliable, and the operation such as carrying and packaging is convenient.
The cover plate connecting piece 2 is manufactured into an aluminum casting through an aluminum casting process, the mechanical strength is high, the bus cover plate 1, the bus side plate 10 and the joint side plate 3 are all aluminum alloy sections formed by one-time pultrusion, the weight is light, the cost is low, and the supporting strength is stable and reliable.
The dense insulating bus duct is connected with the joint side plates through the cover plates, the joint side plates are simultaneously and fixedly connected to the upper bus cover plate and the lower bus cover plate of a bus duct product through side plate connecting holes in the horizontal direction in the cast aluminum cover plate connecting piece, the cover plate connecting piece is fixedly connected between the bus cover plate and the joint cover plate through vertical threaded connecting holes, no drilling connection is needed on the side plates, and the integrity of the side plates is not damaged; the grounding PE row end is tightly inserted between the joint side plate and the joint pressing plate, the grounding system connection is realized by the joint part, the process route is simplified, the mechanical structure strength is high, and the operation performance is stable and reliable; the acting force during packaging, carrying, mounting, connecting and working operation is simultaneously transmitted to the upper bus cover plate and the lower bus cover plate, so that shearing stress is not generated, the structure is simple, the mounting and the connecting operation are convenient, the appearance structure is regular and attractive, and the management is convenient.
Claims (5)
1. The dense insulated bus duct comprises bus side plates on the left side and the right side, and a shell formed by combining bus cover plates fixedly connected to the upper end and the lower end of the bus side plates on the two sides, wherein a phase line conductor group is arranged in an inner cavity of the shell to form a bus segment, the phase line conductor group is formed by closely arranging multiphase phase line conductors, and one phase line conductor on the outermost side is a PE row; the two adjacent bus sections are connected and communicated through a connector assembly, the connector assembly is fixedly connected with a connector nut through the cooperation of a belleville spring after a connector bolt penetrates through connector pressing plates on two sides and a plurality of insulating separators arranged at the end parts of the phase line conductor wire groups at intervals, and a connector cover plate and a connector side plate are arranged outside the connector; the method is characterized in that: the two sides of the top of the bus cover plate are respectively provided with an upper folded edge extending vertically upwards, the top end of each upper folded edge is respectively provided with a limiting clamping edge extending inwards along the horizontal direction, two ends of the outer top surfaces of the upper bus cover plate and the lower bus cover plate of each bus section are respectively clamped with cover plate connecting pieces through the limiting clamping edges, the positions, close to the two ends, of the cover plate connecting pieces are respectively provided with vertical threaded connecting holes, the positions, corresponding to the vertical threaded connecting holes, of the cover plate connecting pieces of the bus sections on the two sides, of the joint cover plates are respectively provided with through holes, and the joint cover plates are fixedly connected with the upper cover plate connecting pieces of the bus cover plates of the bus sections on the two sides through bolts; the middle part of the cover plate connecting piece is provided with two side plate connecting holes in the horizontal direction, the section of the joint side plate is of a spoon-shaped structure, the outer side edge of the spoon part of the spoon-shaped structure is provided with an upper mounting hole and a lower mounting hole respectively corresponding to the same end side plate connecting holes of the two cover plate connecting pieces of the upper bus plate and the lower bus plate of the bus section, the joint side plate is simultaneously and fixedly connected to the two cover plate connecting pieces of the upper bus plate and the lower bus plate through the upper mounting hole and the lower mounting hole, and the part of the joint side plate corresponding to the handle part of the spoon-shaped structure is matched and inserted between the joint pressing plate and the outermost insulating partition plate; the PE row of the phase line conductor set is inserted between the corresponding side joint side plate and the outermost insulating partition plate, and is tightly contacted and conducted with the joint side plate and the joint pressing plate after being fastened and clamped by the joint bolts;
the length of the cover plate connecting piece is matched with the distance between the inner sides of the folded edges on the two sides of the top of the bus cover plate, the tops of the two ends of the cover plate connecting piece are respectively provided with a second limit step, and the cover plate connecting piece can be plugged into the folded edges on the two sides of the top of the bus cover plate from the end part of the bus cover plate and is clamped between the folded edges on the two sides of the top of the bus cover plate through the cooperation of the second limit steps and the limit clamping edges on the two ends;
the cover plate connecting piece is an aluminum casting piece; the bus cover plate, the bus side plate and the joint side plate are aluminum alloy sections formed by one-time pultrusion.
2. The densely insulated bus duct for connecting terminal side panels via a cover plate according to claim 1, wherein: the inner surface of the joint pressing plate is provided with a first limiting step, and the end part of the joint side plate is matched with the first limiting step to provide limiting in the length direction.
3. A dense insulated busway for connecting terminal side plates via a cover plate according to claim 1 or 2, wherein: the joint clamp plate internal surface is provided with spacing recess in the position that is located the outside through a spacing step, is provided with the spacing boss that can block into spacing recess inside on the joint curb plate lateral surface.
4. A densely insulated bus duct for connecting terminal side panels via a cover plate according to claim 3, wherein: screw holes are also respectively arranged at positions of the ends of the bus cover plates corresponding to the vertical threaded connection holes on the cover plate connecting pieces, and the joint cover plates are fixedly connected with the bus cover plates of the bus sections on the two sides through the cover plate connecting pieces by bolts.
5. The densely insulated bus duct for connecting terminal side panels via a cover plate according to claim 1, 2 or 4, wherein: the connector cover plate is characterized in that two sides of the connector cover plate are provided with lower folded edges extending downwards, and the height of the inner side surfaces of the lower folded edges is matched with the height of the outer side surfaces of the upper folded edges of the bus side plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911384314.5A CN110854777B (en) | 2019-12-28 | 2019-12-28 | Dense insulated bus duct with joint side plates connected through cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911384314.5A CN110854777B (en) | 2019-12-28 | 2019-12-28 | Dense insulated bus duct with joint side plates connected through cover plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110854777A CN110854777A (en) | 2020-02-28 |
| CN110854777B true CN110854777B (en) | 2024-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911384314.5A Active CN110854777B (en) | 2019-12-28 | 2019-12-28 | Dense insulated bus duct with joint side plates connected through cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110854777B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103884B (en) * | 2020-09-28 | 2021-09-07 | 威腾电气集团股份有限公司 | Quick shunting bus device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5760339A (en) * | 1993-03-25 | 1998-06-02 | Siemens Energy & Automation, Inc. | Busway joint |
| CN104332913A (en) * | 2014-11-13 | 2015-02-04 | 江苏华鹏智能电气股份有限公司 | Intensive bus duct |
| CN108173208A (en) * | 2016-12-07 | 2018-06-15 | 镇江凯勒电力科技有限公司 | A kind of bus duct |
| CN108173210A (en) * | 2016-12-07 | 2018-06-15 | 镇江凯勒电力科技有限公司 | A kind of busbar side board connector |
| CN109994976A (en) * | 2019-03-08 | 2019-07-09 | 江苏华鹏电力设备股份有限公司 | A kind of lightweight dense insulated bus duct |
| CN211859520U (en) * | 2019-12-28 | 2020-11-03 | 江苏华鹏电力设备股份有限公司 | Intensive insulation bus duct connecting joint side plates through cover plate |
-
2019
- 2019-12-28 CN CN201911384314.5A patent/CN110854777B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5760339A (en) * | 1993-03-25 | 1998-06-02 | Siemens Energy & Automation, Inc. | Busway joint |
| CN104332913A (en) * | 2014-11-13 | 2015-02-04 | 江苏华鹏智能电气股份有限公司 | Intensive bus duct |
| CN108173208A (en) * | 2016-12-07 | 2018-06-15 | 镇江凯勒电力科技有限公司 | A kind of bus duct |
| CN108173210A (en) * | 2016-12-07 | 2018-06-15 | 镇江凯勒电力科技有限公司 | A kind of busbar side board connector |
| CN109994976A (en) * | 2019-03-08 | 2019-07-09 | 江苏华鹏电力设备股份有限公司 | A kind of lightweight dense insulated bus duct |
| CN211859520U (en) * | 2019-12-28 | 2020-11-03 | 江苏华鹏电力设备股份有限公司 | Intensive insulation bus duct connecting joint side plates through cover plate |
Non-Patent Citations (1)
| Title |
|---|
| 500kV变电站直流系统的不停电改造;周杰;朱金垦;林帆;;浙江电力;20130325(03);全文 * |
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