CN109936100B - Small-current bus convenient to assemble and assembling method thereof - Google Patents
Small-current bus convenient to assemble and assembling method thereof Download PDFInfo
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- CN109936100B CN109936100B CN201910174860.XA CN201910174860A CN109936100B CN 109936100 B CN109936100 B CN 109936100B CN 201910174860 A CN201910174860 A CN 201910174860A CN 109936100 B CN109936100 B CN 109936100B
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000004020 conductor Substances 0.000 claims abstract description 75
- 239000007787 solid Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000009713 electroplating Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 12
- 230000004323 axial length Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
According to the small-current bus convenient to assemble and the assembling method thereof, the middle inward concave parts of the side plate structures of the two connected side cover plates tightly clamp the phase line conductor sets to form stress concentration, stress points of the side plate clamping the phase line conductor sets act on steps of the concave parts, so that the limit installation reliability of the phase line conductor sets can be improved, the H-shaped limit supporting blocks are respectively arranged in the upper limit cavity and the lower limit cavity between the inward concave parts of the side plate structures and the upper cover plate and between the side plate structures and the lower cover plate, two ends of each limit supporting block are respectively and fixedly connected with the two connected side cover plates through bolts, a fixed supporting and limit connecting structure is provided for the side plate structures on two sides, and meanwhile, the H-shaped limit supporting blocks in the upper limit cavity and the lower limit cavity respectively provide limits in the upper direction and the lower direction for the phase line conductor sets, so that the phase line conductor sets are convenient to assemble.
Description
Technical Field
The invention relates to a low-current bus convenient to assemble and an assembling method thereof.
Background
The compact bus duct product in the power transmission and transformation equipment in the power industry is generally formed by clamping multiphase phase conductors through side plates at two sides and then installing upper and lower cover plates, the phase conductors are generally formed by conducting bars wrapping multiple insulating layers, gaps are formed between the multiple insulating layers, meanwhile, insulating layer materials of the phase conductors have flexibility and ductility to a certain extent, the bus duct product with a conjoined side cover plate structure in the prior art is clamped with the phase conductors through the side surfaces with larger areas of the side plate parts, the phase conductors are installed unreliably and are fastened and connected only through connecting structures on the cover plates or the side plates, the side plates at two sides are not provided with auxiliary structures for fixed support and limit connection, the phase conductors and the side plates are assembled and assembled inconveniently, the fastening connection is unreliable, the packaging, transportation, installation, connection and normal operation are easy to loose due to vibration, the normal operation performance of a bus system is affected, the power transmission is unstable, and potential safety hazards exist.
Disclosure of Invention
The invention aims to solve the technical problem of providing a small-current bus and an assembly method thereof, wherein a fixed support and limit connection structure can be arranged between side plates at two sides, so that phase line conductors can be assembled conveniently, the structure is simple and compact, and the installation and connection are stable and reliable.
The invention discloses a small-current bus convenient to assemble, which is characterized in that: the bus shell comprises a bus shell body formed by mutually matching two connected side cover plates with the same cross section, a conductor arrangement cavity capable of arranging a phase conductor set is arranged in the shell body, the phase conductor set is formed by arranging multiphase rectangular phase conductors side by side in a way that the side faces with larger surface areas are in close contact with each other, the geometric center point of the phase conductor set is used as an origin, the two connected side cover plates are distributed in a way of being symmetrical about the origin, the solid part of each connected side cover plate in the vertical direction forms a bus shell side plate structure, the middle part of the side plate structure of each connected side cover plate is inwards sunken, and the side plate structures of the two connected side cover plates are combined to form an I-shaped structure; the solid parts of the two conjoined side cover plates positioned in the horizontal direction are spliced with each other to form an upper cover plate structure and a lower cover plate structure of the bus shell, the space between the concave part of the side plate structure of each conjoined side cover plate and the upper cover plate structure and the space between the concave part of the side plate structure of each conjoined side cover plate and the lower cover plate structure respectively form an upper limit cavity and a lower limit cavity, a plurality of limit supporting blocks are respectively arranged in the upper limit cavity and the lower limit cavity, and two ends of each limit supporting block respectively prop against the inner side surfaces of two sides of the corresponding upper limit cavity and lower limit cavity; the cross section of each limiting support block is approximately of an H-shaped structure, a transverse mounting column is arranged on a middle connecting plate of the H-shaped structure, a through threaded hole is formed in the middle of the mounting column, through holes are formed in corresponding positions of two connected side cover plates and two ends of the threaded hole in the middle of the mounting column of each limiting support block, and two ends of each limiting support block are fixedly connected with the two connected side cover plates through connecting bolts respectively; a conductor placement cavity is formed in a space between the concave parts of the side plate structures of the two connected side cover plates, the phase conductor set is tightly clamped in the conductor placement cavity, and the upper end and the lower end of the phase conductor set are respectively provided with limiting in the vertical direction by limiting supporting blocks in the upper limiting cavity and the lower limiting cavity;
a pair of limiting support blocks are respectively arranged at the positions, close to the two ends, of the upper limiting cavity and the lower limiting cavity;
a plurality of limiting support blocks are uniformly arranged in the upper limiting cavity and the lower limiting cavity along the length direction;
the top plate of the upper limit cavity is composed of solid parts in the horizontal direction of the right conjoined side cover plate;
the bottom plate of the lower limiting cavity is composed of solid parts in the horizontal direction of the left conjoined side cover plate;
the mounting column of each limiting support block is cylindrical, and the mounting column is positioned at a position, close to one side wall, of the middle connecting plate;
the middle connecting plate of each limiting support block is positioned at the lower part of the limiting support block in the vertical direction, and the axle center of the mounting column is positioned on the horizontal central plane of the middle connecting plate;
the axial length of the threaded section of the connecting bolt is smaller than 1/2 of the axial length of the mounting column and larger than 1/3 of the axial length of the mounting column;
the connected side cover plates and the limiting support blocks are aluminum alloy sections with integral structures formed by a pultrusion process respectively;
the invention also relates to a small-current bus assembly method convenient to assemble, which is characterized in that: the method comprises the following steps:
the first step, the blanking sizes of the conjoined side cover plate, the limiting support block and the phase line conductor are respectively calculated according to the order requirement,
step two, sawing, blanking, punching and deburring the conjoined side cover plate and the limiting support block, and transferring to an assembly production line in turn; blanking, forming and electroplating the phase conductor section bar, coating an insulating layer, forming a phase conductor group in a matching way, and then transferring to an assembly production line in turn;
thirdly, a plurality of limit supporting blocks are vertically and uniformly arranged upwards and positioned and fixed on one side above the workbench along the length direction of the bus section;
the fourth step, the first conjoined side cover plate is arranged above a plurality of limiting support blocks, the threaded holes in the middle of the mounting column of each limiting support block are respectively aligned with the through holes at the corresponding positions on one side of the conjoined side cover plate, and the conjoined side cover plates are connected through connecting bolts;
fifthly, turning over the first conjoined side cover plate to enable the limiting support block to vertically upwards, horizontally placing the phase conductor set to the middle of the conjoined side cover plate, and enabling one end of the phase conductor set to prop against the limiting support block;
sixthly, positioning a limiting support block in alignment with each through hole on the other side of the first conjoined side cover plate, and connecting the limiting support blocks through connecting bolts;
seventh, the second conjoined side cover plate is arranged above the phase line conductor set, through holes on two sides are aligned with threaded holes of the limit supporting blocks at corresponding positions, and two sides are connected and fastened through connecting bolts;
eighth step, turning over the bus section product, and fastening a connecting bolt on the first conjoined side cover plate;
and ninth, pressure test, packaging and warehousing.
According to the small-current bus convenient to assemble and the assembling method thereof, the middle inward concave parts of the side plate structures of the two conjoined side cover plates tightly clamp the phase line conductor set to form stress concentration, and stress points of the side plate clamping the phase line conductor set act on the steps of the concave parts, so that the limit installation reliability of the phase line conductor set can be improved; the space between the middle part of the side plate structure of the two conjoined side cover plates inwards concave parts and the upper cover plate and the lower cover plate forms an upper limit cavity and a lower limit cavity, an H-shaped limit supporting block is respectively arranged in the upper limit cavity and the lower limit cavity, two ends of the limit supporting block are respectively and fixedly connected with the two conjoined side cover plates through bolts, a fixed support and a limit connection structure are provided for the side plate structures on two sides, and meanwhile, the upper limit cavity and the H-shaped limit supporting block in the lower limit cavity respectively provide limits in the upper direction and the lower direction for the phase line conductor group, so that the phase line conductor is convenient to assemble, the structure is simple and compact, the installation connection is stable and reliable, the normal operation performance of a bus system can be ensured, the power transmission is stable and reliable, and the safety coefficient is high.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of a low-current bus bar, which is convenient to assemble, according to an embodiment of the invention;
FIG. 2 is a schematic view of a planar structure of a low current busbar for easy assembly according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the left-hand structure of FIG. 2;
FIG. 4 is a top view of FIG. 2;
FIG. 5 is a schematic cross-sectional view of FIG. 2;
FIG. 6 is a schematic perspective view of a small current bus with one side of the cover plate removed for easy assembly according to an embodiment of the present invention;
FIG. 7 is a schematic plan view of an embodiment of the present invention with one side of the conjoined side cover plate removed for facilitating assembly of the low current bus;
fig. 8 is an enlarged schematic view of a plane structure of a low-current bus bar limiting support block which is convenient to assemble according to an embodiment of the invention.
Detailed Description
As shown in the figure, the main structure of the low-current bus bar convenient to assemble is approximately the same as that of a traditional bus duct product, namely a bus bar shell encloses a conductor arrangement cavity, and a phase line conductor set 4 is arranged in the conductor arrangement cavity.
The bus shell is formed by mutually matching two connected side cover plates 1 with the same cross section, the two connected side cover plates with the same cross section are mutually matched to form the bus shell with a hollow inner cavity, a phase line conductor set 4 is arranged in the hollow inner cavity to form a conductor arrangement cavity, the phase line conductor set 4 is formed by arranging multi-phase rectangular phase line conductors side by side in a way that the side surfaces with larger surface areas are in close contact with each other, the geometric center point of the phase line conductor set 4 is taken as an origin, and the two connected side cover plates 1 are distributed in a way of being symmetrical about the origin and are mutually inserted and matched; the solid part of each conjoined side cover plate in the vertical direction forms a busbar shell side plate structure, and the middle part of the side plate structure of each conjoined side cover plate 1 is inwards sunken, so that the side plate structures of the two conjoined side cover plates are combined to form an I-shaped structure; the solid parts of the two conjoined side cover plates positioned in the horizontal direction are spliced with each other to form an upper cover plate structure and a lower cover plate structure of the bus shell, the space between the concave part of the side plate structure of each conjoined side cover plate and the upper cover plate structure and the space between the concave part of the side plate structure of each conjoined side cover plate and the lower cover plate structure respectively form an upper limit cavity 2 and a lower limit cavity 6, a plurality of limit supporting blocks 3 are uniformly arranged in the upper limit cavity 2 and the lower limit cavity 6 respectively, and two ends of each limit supporting block 3 respectively prop against the inner side surfaces of two sides of the corresponding upper limit cavity and lower limit cavity; the cross section of each limiting support block 3 is approximately of an H-shaped structure, a transverse installation column 32 is arranged on a middle connecting plate 31 of the H-shaped structure, a through threaded hole is formed in the middle of the installation column 32, through holes are formed in corresponding positions of two ends of the threaded hole in the middle of the installation column 32 of each limiting support block 3, two ends of each limiting support block 3 are respectively and fixedly connected with the two limiting support blocks 1 through connecting bolts 5, phase conductors are conveniently assembled in a combined mode, the structure is simple and compact, and the installation connection is stable and reliable.
The space between the concave parts of the side plate structures of the two connected side cover plates 1 forms a conductor placement cavity, the phase conductor set 4 is tightly clamped in the conductor placement cavity, the upper end and the lower end of the phase conductor set 4 are respectively provided with limit in the vertical direction by a limit supporting block 3 in an upper limit cavity 2 and a lower limit cavity 6, the middle part of the side plate structure of the two connected side cover plates is inwards concave to tightly clamp the phase conductor set to form stress concentration, a stress point of the side plate clamping the phase conductor set acts on a step of the concave part, and the limit installation reliability of the phase conductor set can be improved; meanwhile, the concave parts of the side plate structures of the two conjoined side cover plates 1 can be convenient for fixing and installing the hoisting support, the lighting lamp and the tapping unit, and the structure is compact, the operation is convenient and the cost is low.
A pair of limiting support blocks can be respectively arranged at the positions of the upper limiting cavity 2 and the lower limiting cavity 6, which are close to the two ends, and the reliability of the whole bus duct product section is ensured by controlling the connection structures of the two ends of the bus duct product section;
the upper limit cavity and the lower limit cavity are uniformly provided with a plurality of limit support blocks along the length direction, and the whole bus duct product section can be matched with the concave part along the length direction by the limit support blocks, so that the phase conductor group can be reliably and limitedly installed.
When two conjoined side cover plates with the same cross section are mutually matched, the top plate of the upper limiting cavity is completely formed by solid parts on the horizontal direction of the right conjoined side cover plate, the bottom plate of the lower limiting cavity is simultaneously formed by solid parts on the horizontal direction of the left conjoined side cover plate, the two conjoined side cover plates are mutually spliced and matched through the solid parts on the horizontal direction, and after splicing and matching, the top surface is not required to be riveted, pressed and rolled, so that the flatness on the large surface of a bus duct product is not influenced, and the appearance is attractive.
The erection column of every spacing supporting shoe can adopt the rectangle post, and this example adopts the circular column, and there is not stress concentration, long service life, and the erection column is located the intermediate junction plate and is close to the position of one side lateral wall, and spacing supporting strength is high.
The middle connecting plate 31 of each limiting support block is positioned at the lower part of the limiting support block in the vertical direction, the axle center of the mounting column 32 is positioned on the horizontal central plane of the middle connecting plate, the structure is stable, the process is simple, and the limiting support strength is further improved.
The axial length of the threaded section of the connecting bolt is smaller than 1/2 of the axial length of the mounting column and larger than 1/3 of the axial length of the mounting column, so that the two side cover plates are connected with the limiting support through the connecting bolt at the same time, and meanwhile, the effective connection length is ensured.
The integral structure of the conjoined side cover plate and the limiting support block section bar are manufactured by the aluminum alloy raw material through a pultrusion process, and the integral structure of the conjoined side cover plate and the limiting support block section bar can be sawed and cut according to the needs of customers, so that the integral structure of the integral side cover plate and the limiting support block section bar is light in weight, attractive in appearance, good in protective performance and low in cost.
The invention also relates to a small-current bus assembly method convenient to assemble, which is characterized in that: the method comprises the following steps:
the first step, the blanking sizes of the conjoined side cover plate, the limiting support block and the phase line conductor are respectively calculated according to the order requirement,
step two, sawing, blanking, punching and deburring the conjoined side cover plate and the limiting support block, and transferring to an assembly production line in turn; blanking, forming and electroplating the phase conductor section bar, coating an insulating layer, forming a phase conductor group in a matching way, and then transferring to an assembly production line in turn;
thirdly, a plurality of limit supporting blocks are vertically and uniformly arranged upwards and positioned and fixed on one side above the workbench along the length direction of the bus section;
the fourth step, the first conjoined side cover plate is arranged above a plurality of limiting support blocks, the threaded holes in the middle of the mounting column of each limiting support block are respectively aligned with the through holes at the corresponding positions on one side of the conjoined side cover plate, and the conjoined side cover plates are connected through connecting bolts;
fifthly, turning over the first conjoined side cover plate to enable the limiting support block to vertically upwards, horizontally placing the phase conductor set to the middle of the conjoined side cover plate, and enabling one end of the phase conductor set to prop against the limiting support block;
sixthly, positioning a limiting support block in alignment with each through hole on the other side of the first conjoined side cover plate, and connecting the limiting support blocks through connecting bolts;
seventh, the second conjoined side cover plate is arranged above the phase line conductor set, through holes on two sides are aligned with threaded holes of the limit supporting blocks at corresponding positions, and two sides are connected and fastened through connecting bolts;
eighth step, turning over the bus section product, and fastening a connecting bolt on the first conjoined side cover plate;
and ninth, pressure test, packaging and warehousing.
According to the small-current bus convenient to assemble and the assembling method thereof, the middle inward concave parts of the side plate structures of the two conjoined side cover plates tightly clamp the phase line conductor set to form stress concentration, and stress points of the side plate clamping the phase line conductor set act on the steps of the concave parts, so that the limit installation reliability of the phase line conductor set can be improved; the space between the middle part of the side plate structure of the two conjoined side cover plates inwards concave parts and the upper cover plate and the lower cover plate forms an upper limit cavity and a lower limit cavity, an H-shaped limit supporting block is respectively arranged in the upper limit cavity and the lower limit cavity, two ends of the limit supporting block are respectively and fixedly connected with the two conjoined side cover plates through bolts, a fixed support and a limit connection structure are provided for the side plate structures on two sides, and meanwhile, the upper limit cavity and the H-shaped limit supporting block in the lower limit cavity respectively provide limits in the upper direction and the lower direction for the phase line conductor group, so that the phase line conductor is convenient to assemble, the structure is simple and compact, the installation connection is stable and reliable, the normal operation performance of a bus system can be ensured, the power transmission is stable and reliable, and the safety coefficient is high.
Claims (1)
1. The utility model provides a little electric current busbar's assembly method suitable for convenient equipment which characterized in that: the low-current bus comprises a bus shell formed by mutually matching two connected side cover plates with the same cross section, wherein a conductor arrangement cavity capable of arranging a phase conductor set is arranged in the shell, the phase conductor set is formed by arranging multiphase rectangular phase conductors side by side in a manner that the sides with larger surface areas are in close contact with each other, the geometric center point of the phase conductor set is taken as an origin, the two connected side cover plates are distributed in a manner of being symmetrical about the origin, the solid part of each connected side cover plate in the vertical direction forms a bus shell side plate structure, the middle part of the side plate structure of each connected side cover plate is inwards recessed, and the side plate structures of the two connected side cover plates are combined to form an I-shaped structure; the solid parts of the two conjoined side cover plates positioned in the horizontal direction are spliced with each other to form an upper cover plate structure and a lower cover plate structure of the bus shell, the space between the concave part of the side plate structure of each conjoined side cover plate and the upper cover plate structure and the space between the concave part of the side plate structure of each conjoined side cover plate and the lower cover plate structure respectively form an upper limit cavity and a lower limit cavity, a plurality of limit supporting blocks are uniformly arranged in the upper limit cavity and the lower limit cavity respectively, and two ends of each limit supporting block respectively prop against the inner side surfaces of two sides of the corresponding upper limit cavity and lower limit cavity; the cross section of each limiting support block is approximately of an H-shaped structure, a transverse mounting column is arranged on a middle connecting plate of the H-shaped structure, a through threaded hole is formed in the middle of the mounting column, through holes are formed in corresponding positions of two connected side cover plates and two ends of the threaded hole in the middle of the mounting column of each limiting support block, and two ends of each limiting support block are fixedly connected with the two connected side cover plates through connecting bolts respectively; a conductor placement cavity is formed in a space between the concave parts of the side plate structures of the two connected side cover plates, the phase conductor set is tightly clamped in the conductor placement cavity, and the upper end and the lower end of the phase conductor set are respectively provided with limiting in the vertical direction by limiting supporting blocks in the upper limiting cavity and the lower limiting cavity; a plurality of limiting support blocks are uniformly arranged in the upper limiting cavity and the lower limiting cavity along the length direction;
the assembly method comprises the following steps:
the first step, the blanking sizes of the conjoined side cover plate, the limiting support block and the phase line conductor are respectively calculated according to the order requirement,
step two, sawing, blanking, punching and deburring the conjoined side cover plate and the limiting support block, and transferring to an assembly production line in turn; blanking, forming and electroplating the phase conductor section bar, coating an insulating layer, forming a phase conductor group in a matching way, and then transferring to an assembly production line in turn;
thirdly, a plurality of limit supporting blocks are vertically and uniformly arranged upwards and positioned and fixed on one side above the workbench along the length direction of the bus section;
the fourth step, the first conjoined side cover plate is arranged above a plurality of limiting support blocks, the threaded holes in the middle of the mounting column of each limiting support block are respectively aligned with the through holes at the corresponding positions on one side of the conjoined side cover plate, and the conjoined side cover plates are connected through connecting bolts;
fifthly, turning over the first conjoined side cover plate to enable the limiting support block to vertically upwards, horizontally placing the phase conductor set to the middle of the conjoined side cover plate, and enabling one end of the phase conductor set to prop against the limiting support block;
sixthly, positioning a limiting support block in alignment with each through hole on the other side of the first conjoined side cover plate, and connecting the limiting support blocks through connecting bolts;
seventh, the second conjoined side cover plate is arranged above the phase line conductor set, through holes on two sides are aligned with threaded holes of the limit supporting blocks at corresponding positions, and two sides are connected and fastened through connecting bolts;
eighth step, turning over the bus section product, and fastening a connecting bolt on the first conjoined side cover plate;
and ninth, pressure test, packaging and warehousing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910174860.XA CN109936100B (en) | 2019-03-08 | 2019-03-08 | Small-current bus convenient to assemble and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910174860.XA CN109936100B (en) | 2019-03-08 | 2019-03-08 | Small-current bus convenient to assemble and assembling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109936100A CN109936100A (en) | 2019-06-25 |
| CN109936100B true CN109936100B (en) | 2024-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910174860.XA Active CN109936100B (en) | 2019-03-08 | 2019-03-08 | Small-current bus convenient to assemble and assembling method thereof |
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| CN (1) | CN109936100B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109936100B (en) * | 2019-03-08 | 2024-01-09 | 江苏华鹏电力设备股份有限公司 | Small-current bus convenient to assemble and assembling method thereof |
| CN114883996B (en) * | 2022-06-22 | 2023-05-19 | 江苏华鹏电力设备股份有限公司 | Plug-in bus duct with telescopic plug-in port and connection method thereof |
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| CN109936100A (en) | 2019-06-25 |
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