CN102780189B - The bus fixture with special-shaped fixture of high voltage switchgear - Google Patents
The bus fixture with special-shaped fixture of high voltage switchgear Download PDFInfo
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- CN102780189B CN102780189B CN201210289544.5A CN201210289544A CN102780189B CN 102780189 B CN102780189 B CN 102780189B CN 201210289544 A CN201210289544 A CN 201210289544A CN 102780189 B CN102780189 B CN 102780189B
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Abstract
The present invention relates to a kind of bus fixture with special-shaped fixture of high voltage switchgear, it is characterized in that, comprise 2 insulators and 1 special-shaped fixture, the top of insulator is connected and fixed supporter, the bottom of insulator connects special-shaped fixture, abnormity fixture connects square type bus, and wherein, special-shaped fixture is the one in E shape fixture, T-shaped fixture or U-shaped fixture.Compared with prior art, advantage of the present invention is: 1, principle is novel, rational in infrastructure, safe and reliable, is suitable for batch production; 2, easy to use, simple to operate, structural strength is high, makes the performance of switchgear more excellent, ensure that maintenance, the personal safety of operating personnel and the reliability service of equipment when running; 3, high voltage switchgear rectangular bus bar row in the fabrication process and the particular/special requirement such as the parallel assembling and mounting of insulator length is met.
Description
Technical field
The present invention relates to a kind of bus fixture with special-shaped fixture of high voltage switchgear, for high voltage switchgear producing, the installation, fixing of rectangular bus bar in primary circuit in cabinet in manufacture process, belong to the installation of rectangular bus bar, technique for fixing field.
Background technology
In power transmission and transformation system, high voltage switchgear is extremely important part, realizes conveying and the distribution of electric energy in electric power system.In the production, manufacture process of high voltage switchgear, rectangular bus bar is the conductive carrier of the most frequently used primary circuit, carry out on request being connected, assembling with other major component (as circuit breaker, Current Mutual Inductance etc.), the primary circuit of composition high voltage switchgear.
Under normal operating conditions, the operating current passed through is less for high voltage switchgear, and the electric power produced by electric current is less, little on the impact of rectangular bus bar; If high voltage switchgear is when accident condition (as the fault that is short-circuited), fault current generally can rise to tens thousand of ampere or larger, reach more than 200kA sometimes, the electric power produced between bus is quite large, constant intensity as bus is inadequate, be easy to its supporter to destroy, cause larger secondary accident; In addition, the fixed form of rectangular bus bar, according to the manufacture requirements of reality, realize wide the energy installation parallel with the short transverse of its fixture insulator of bus.
Though high voltage switchgear manufacturing technology achieves fast development, the fixed form of rectangular bus bar is generally: the bottom securing member of insulator and supporter are fixed, wide of rectangular bus bar and insulator at top perpendicular securing member fix, wide of rectangular bus bar and the length direction of insulator are difficult to the installation realizing paralleling.Along with the development of High-voltage Switchgear Industry, need parallel installation under many circumstances, the general bus that adopts carries out transition assembling, and its intensity is poor, can not meet the performance requirement of equipment, and complex manufacturing technology, cost are higher, mounting means is unreliable; When installing as adopted lifting mode, because of the impact by bus bar gravity, its installation strength is weaker.
In addition, high voltage switchgear cut-offs short circuit current future development to big current, height, the installation quantity of conventional rectangular bus bar, generally 4 rectangular bus bars can only be installed at most, for the fixed form of needs 6 buses, higher to the requirement of the intensity of installing and reliability, can not meet the manufacture of high voltage switchgear.For this reason, manufacture a kind of wide installation parallel with insulator of rectangular bus bar, intensity is higher, installation is reliable, cost is lower, convenient to manufacture, fixture that most multipotency assembles 6 buses is very necessary.
Summary of the invention
The object of this invention is to provide a kind of wide installation parallel with insulator of rectangular bus bar, intensity be higher, installation is reliable, cost is lower, convenient to manufacture, the bus fixture of most multipotency assembles 6 buses high voltage switchgear.
In order to achieve the above object, technical scheme of the present invention there is provided a kind of bus fixture with special-shaped fixture of high voltage switchgear, it is characterized in that, comprise 2 insulators and 1 special-shaped fixture, the top of insulator is connected and fixed supporter, and the bottom of insulator connects special-shaped fixture, and special-shaped fixture connects rectangular bus bar, wherein, special-shaped fixture is the one in E shape fixture, T-shaped fixture or U-shaped fixture.
Preferably, the top of described each insulator is connected by 2 M12 outer-hexagonal bolts with fixing supporter.
Preferably, the bottom of described each insulator is connected by 2 M12 hexagon socket head cap screws with special-shaped fixture.
Preferably, described special-shaped fixture is connected by 2 M12 outer-hexagonal bolts with each rectangular bus bar.
Preferably, the top of described each insulator and bottom are respectively provided with 2 embedding nuts of M12, one end of the embedding nut of M12 and the top of insulator or bottom mutually concordant.
Preferably, described E shape fixture comprises first lateral part and three first vertical parts, in the middle part of the two ends that the top of three first vertical parts lays respectively at the first lateral part and bottom surface, the end face of the first lateral part is the first stationary plane, first stationary plane is provided with 4 M12 hexagon socket head cap screw installing holes, two sides of the first vertical part are all the first bus stationary plane, and each first bus stationary plane is provided with 2 the first bus installing holes.
Preferably, described T-shaped fixture comprises second lateral part and one second vertical part, the top of the second vertical part is positioned at the middle part of the second bottom surface, lateral part, the end face of the second lateral part is the second stationary plane, second stationary plane is provided with 2 the 2nd M12 hexagon socket head cap screw installing holes, two sides of the second vertical part are the second bus stationary plane, and the second bus stationary plane is provided with 2 the second bus installing holes.
Preferably, described U-shaped fixture comprises the 3rd lateral part and two the 3rd vertical parts, the top of two the 3rd vertical parts lays respectively at the two ends of the 3rd lateral part, the end face of the 3rd lateral part is the 3rd stationary plane, 3rd stationary plane is provided with 2 the 3rd M12 hexagon socket head cap screw installing holes, two sides of the 3rd vertical part are all triple bus-bar stationary plane, and each triple bus-bar stationary plane is provided with 2 triple bus-bar installing holes.
Compared with prior art, advantage of the present invention is:
1, principle is novel, rational in infrastructure, safe and reliable, is suitable for batch production;
2, easy to use, simple to operate, structural strength is high, makes the performance of switchgear more excellent, ensure that maintenance, the personal safety of operating personnel and the reliability service of equipment when running;
3, high voltage switchgear rectangular bus bar row in the fabrication process and the particular/special requirement such as the parallel assembling and mounting of insulator length is met.
Accompanying drawing explanation
Fig. 1 is the bus fixture front view with E shape fixture of the high voltage switchgear in embodiment 1;
Fig. 2 is the front view of insulator;
Fig. 3 is the vertical view of insulator;
Fig. 4 is that the A-A of insulator is to cutaway view;
Fig. 5 is the front view of the E shape fixture in embodiment 1;
Fig. 6 is the left view of the E shape fixture in embodiment 1;
Fig. 7 is the vertical view of the E shape fixture in embodiment 1;
Fig. 8 is that the B-B of E shape fixture in embodiment 1 is to cutaway view;
Fig. 9 is the bus fixture front view with T-shaped fixture of the high voltage switchgear in embodiment 2;
Figure 10 is the front view of the T-shaped fixture in embodiment 2;
Figure 11 is the left view of the T-shaped fixture in embodiment 2;
Figure 12 is the vertical view of the T-shaped fixture in embodiment 2;
Figure 13 is that the B-B of T-shaped fixture in embodiment 2 is to cutaway view;
Figure 14 is the bus fixture front view with U-shaped fixture of the high voltage switchgear in embodiment 3;
Figure 15 is the front view of the U-shaped fixture in embodiment 3;
Figure 16 is the left view of the U-shaped fixture in embodiment 3;
Figure 17 is the vertical view of the U-shaped fixture in embodiment 3;
Figure 18 is that the B-B of U-shaped fixture in embodiment 3 is to cutaway view.
Embodiment
For making the present invention become apparent, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
Embodiment 1
As shown in Figure 1, for the bus fixture front view with E shape fixture of high voltage switchgear, the bus fixture with E shape fixture of described high voltage switchgear forms primarily of 2 insulators, 3,1 E type fixture 5-1,6 rectangular bus bars 7, M12 outer-hexagonal bolt 1, M12 hexagon socket head cap screws 6.M12 outer-hexagonal bolt 1, M12 hexagon socket head cap screw 6 are standard fasteners, as required equipped bullet pad, plain cushion or nut.The top 12 of insulator 3 is connected and fixed supporter 2, and bottom insulator 3,13 connection E shape fixture 5, E shape fixtures 5 connect rectangular bus bar 7.The top 12 of each insulator 3 is connected by 2 M12 outer-hexagonal bolts 1 with fixing supporter 2.The bottom 13 of each insulator 3 is connected by 2 M12 hexagon socket head cap screws 6 with E shape fixture 5.Described E shape fixture 5 is connected by 2 M12 outer-hexagonal bolts 1 with each rectangular bus bar 7.
As shown in Figure 2, described insulator 3 is formed by the plastic material pressure injection of good insulation preformance.As shown in Figure 4, the top 12 of each insulator 3 and bottom 13 are respectively provided with 2 embedding nuts 4 of M12, as shown in Figure 3, one end of the embedding nut of M12 4 and the top 12 of insulator 3 or bottom 13 mutually concordant.M12 embedded nut 4 is provided with the screw thread of M12, so that be connected with securing member M12 outer-hexagonal bolt 1, M12 hexagon socket head cap screw 6.In the pressure injection manufacture process of insulator 3, M12 embedded nut 4 is located at the two ends of insulator 3.
As shown in Figure 5, described E shape fixture 5 is steelworks, comprise a first lateral part 14-1 and three the first vertical part 15-1, in the middle part of the two ends that the top of three first vertical part 15-1 lays respectively at the first lateral part 14-1 and bottom surface, as shown in Figure 7, the end face of the first lateral part 14-1 is stationary plane 9, stationary plane 9 is provided with 4 M12 hexagon socket head cap screw installing hole 10-1, as shown in Figure 8, the longitudinal section of the one M12 hexagon socket head cap screw installing hole 10-1 is stairstepping, so that install M12 hexagon socket head cap screw 6, and M12 hexagon socket head cap screw 6 sinks in E type fixture 5-1 completely after assembling, the installation of other parts can not be had influence on.As shown in Figure 6, two sides of the first vertical part 15-1 are all the first bus stationary plane 8-1, and each first bus stationary plane 8-1 is provided with 2 the first bus installing hole 11-1, are used for installing rectangular bus bar 7.
During installation, 4 M12 outer-hexagonal bolts 1 (bullet pad, plain cushion containing supporting) are first used to be assemblied on fixing supporter 2 by the top 12 of 2 insulators 3; Linked together by the bottom 13 of insulator 3 and the stationary plane 9 of E type fixture 5-1 with 4 M12 hexagon socket head cap screws 6 again.Rectangular bus bar 7 is provided with installing hole, 6 M12 outer-hexagonal bolts 1 (bullet pad, plain cushion, nut containing supporting) are finally used to be fixed on by rectangular bus bar 7 on E type fixture 5-1, the first bus stationary plane 8-1 on the face of type bus 7 and E type fixture 5-1 is tightly cut, and the Width of such rectangular bus bar 7 and the length direction of insulator 3 parallel.By the assembling process of such as upper type, complete the assembling of the bus fixture of whole high voltage switchgear.This device can install the rectangular bus bar 7 mostly being 6 most as required.
Embodiment 2
As shown in Figure 9, for the bus fixture front view with T-shaped fixture of high voltage switchgear, the bus fixture with T-shaped fixture of described high voltage switchgear comprises insulator 3 and T-shaped fixture 5-2, the top 12 of insulator 3 is connected and fixed supporter 2, the bottom 13 of insulator 3 connects T-shaped fixture 5-2, and T-shaped fixture 5-2 connects 2 rectangular bus bars 7.The top 12 of described insulator 3 is connected by 2 M12 outer-hexagonal bolts 1 with fixing supporter 2.The bottom 13 of described insulator 3 is connected by 2 M12 hexagon socket head cap screws 6 with T-shaped fixture 5-2.Described T-shaped fixture 5-2 is connected by 2 M12 outer-hexagonal bolts 1 with rectangular bus bar 7.M12 outer-hexagonal bolt 1 and M12 hexagon socket head cap screw 6 are standard fasteners, during assembling, and supporting as required corresponding bullet pad, plain cushion or nut.
As shown in Figures 2 and 3, described insulator 3 is formed by the plastic material pressure injection of good insulation preformance, and its top 12 and bottom 13 are respectively provided with 2 embedding nuts 4 of M12, as shown in Figure 4, one end of the embedding nut of M12 4 and the top 12 of insulator 3 or bottom 13 mutually concordant.The embedding nut 4 of M12 is provided with the screw thread of M12, so that be connected with securing member M12 outer-hexagonal bolt 1, M12 hexagon socket head cap screw 6.
As shown in Figure 10, described T-shaped fixture 5-2 is steelwork, it comprises an a second lateral part 14-2 and second vertical part 15-2, the top of vertical part is positioned at the middle part of the second 14-2 bottom surface, lateral part, as shown in figure 12, the end face of the second lateral part 14-2 is the second stationary plane 9-2, second stationary plane 9-2 is provided with 2 M12 hexagon socket head cap screw installing holes 10, as shown in figure 13, the longitudinal section of M12 hexagon socket head cap screw installing hole 10 is stairstepping, so that install M12 hexagon socket head cap screw 6, and M12 hexagon socket head cap screw 6 sinks in T-shaped fixture 5-2 completely after assembling, the installation of other parts can not be had influence on.As shown in figure 11, two sides of the second vertical part 15-2 are the second bus stationary plane 8-2, and the second bus stationary plane 8-2 is provided with 2 the second bus installing hole 11-2, are used for installing rectangular bus bar 7.
During installation, be first assemblied on fixing supporter 2 with the supporting bullet pad of 2 M12 outer-hexagonal bolts 1, plain cushion by the top 12 of insulator 3; Linked together by the bottom 13 of insulator 3 and the second stationary plane 9-2 of T-shaped fixture 5-2 with 2 M12 hexagon socket head cap screws 6 again.Rectangular bus bar 7 is provided with installing hole, finally with the supporting bullet pad of 2 M12 outer-hexagonal bolts 1, plain cushion, nut, rectangular bus bar 7 is fixed on T-shaped fixture 5-2, the second bus stationary plane 8-2 on the face of rectangular bus bar 7 and T-shaped fixture 5-2 is tightly cut, the Width of such rectangular bus bar 7 and the length equation of insulator 3 parallel, and ensure that special installation requirement and installation strength.By the assembling process of such as upper type, complete the assembling of whole high voltage switchgear bus fixture.This device can install 1 or 2 rectangular bus bars 7 as required, mostly is 2 most.
Embodiment 3
As shown in figure 14, for the bus fixture front view with U-shaped fixture of high voltage switchgear, the bus fixture with U-shaped fixture of described high voltage switchgear, is made up of insulator 3, U-shaped fixture 5-3, rectangular bus bar 7, M12 outer-hexagonal bolt 1, M12 hexagon socket head cap screw 6; The top 12 of insulator 3 is connected and fixed supporter 2, and the bottom 13 of insulator 3 connects U-shaped fixture 5-3, and U-shaped fixture 5-3 connects 4 rectangular bus bars 7.The top 12 of insulator 3 is connected by 2 M12 outer-hexagonal bolts 1 with fixing supporter 2.The bottom 13 of described insulator 3 is connected by 2 M12 hexagon socket head cap screws 6 with U-shaped fixture 5-3.Described U-shaped fixture 5-3 is connected by 2 M12 outer-hexagonal bolts 1 with each rectangular bus bar 7.M12 outer-hexagonal bolt 1, M12 hexagon socket head cap screw 6 are conventional fasteners, as required equipped bullet pad, plain cushion or nut.
As shown in Figure 2, described insulator 3 is formed by the plastic material pressure injection of good insulation preformance, and as shown in Figure 4, the top 12 of described insulator 3 and bottom 13 are respectively provided with 2 embedding nuts 4 of M12, as shown in Figure 3, one end of the embedding nut of M12 4 and the top 12 of insulator 3 or bottom 13 mutually concordant.M12 embedded nut 4 is provided with the screw thread of M12, so that be connected with securing member M12 outer-hexagonal bolt 1, M12 hexagon socket head cap screw 6.
As shown in figure 15, described U-shaped fixture 5-3 is steelwork, comprise a 3rd lateral part 14-3 and two the 3rd vertical part 15-3, the top of two the 3rd vertical part 15-3 lays respectively at the two ends of lateral part 5, as shown in figure 17, the end face of the 3rd lateral part 14-3 is stationary plane 9, stationary plane 9 is provided with 2 the 3rd M12 hexagon socket head cap screw installing hole 10-3, as shown in figure 18, the longitudinal section of the 3rd M12 hexagon socket head cap screw installing hole 10-3 is stairstepping, so that install M12 hexagon socket head cap screw 6, and M12 hexagon socket head cap screw 6 sinks in U-shaped fixture 5 completely after assembling, the installation of other parts can not be had influence on, as shown in figure 16, two sides of the 3rd vertical part 15-3 are all triple bus-bar stationary plane 8-3, each triple bus-bar stationary plane 8-3 is provided with 2 triple bus-bar installing hole 11-3, be used for rectangular bus bar 7 is installed.
During installation, 2 M12 outer-hexagonal bolts 1 (supporting bullet pad, plain cushion) are first used to be assemblied on fixing supporter 2 by the top 12 of insulator 3; Linked together by the bottom 13 of insulator 3 and the stationary plane 9 of U-shaped fixture 5 with 2 M12 hexagon socket head cap screws 6 again.Rectangular bus bar 7 is provided with installing hole, 2 M12 outer-hexagonal bolts 1 (supporting bullet pad, plain cushion, nut) are finally used to be fixed on by rectangular bus bar 7 on U-shaped fixture 5, triple bus-bar stationary plane 8-3 on the face of rectangular bus bar 7 and U-shaped fixture 5 is tightly cut, and the Width of such rectangular bus bar 7 and the length direction of insulator 3 parallel.By the assembling process of such as upper type, complete the assembling of the bus fixture of whole high voltage switchgear, maximum quantity of installable rectangular bus bar 7 are 4 as required.
Claims (5)
1. the bus fixture with special-shaped fixture of a high voltage switchgear, it is characterized in that, comprise 2 insulators (3) and 1 special-shaped fixture, the top of insulator (3) is connected and fixed supporter (2), the bottom of insulator (3) connects special-shaped fixture, abnormity fixture connects rectangular bus bar (7), and wherein, special-shaped fixture is the one in E shape fixture (5-1), T-shaped fixture (5-2) or U-shaped fixture (5-3);
Described E shape fixture (5-1) comprises first lateral part (14-1) and three first vertical parts (15-1), in the middle part of the two ends that the top of three first vertical parts (15-1) lays respectively at the first lateral part (14-1) and bottom surface, the end face of the first lateral part (14-1) is the first stationary plane (9-1), first stationary plane (9-1) is provided with 4 M12 hexagon socket head cap screw installing holes (10-1), two sides of the first vertical part (15-1) are all the first bus stationary plane (8-1), each first bus stationary plane (8-1) is provided with 2 the first bus installing holes (11-1),
Described T-shaped fixture (5-2) comprises second lateral part (14-2) and one second vertical part (15-2), the top of the second vertical part (15-2) is positioned at the middle part of the second lateral part (14-2) bottom surface, the end face of the second lateral part (14-2) is the second stationary plane (9-2), second stationary plane (9-2) is provided with 2 the 2nd M12 hexagon socket head cap screw installing holes (10-2), two sides of the second vertical part (15-2) are the second bus stationary plane (8-2), second bus stationary plane (8-2) is provided with 2 the second bus installing holes (11-2),
Described U-shaped fixture (5-3) comprises the 3rd lateral part (14-3) and two the 3rd vertical parts (15-3), the top of two the 3rd vertical parts (15-3) lays respectively at the two ends of the 3rd lateral part (14-3), the end face of the 3rd lateral part (14-3) is the 3rd stationary plane (9-3), 3rd stationary plane (9-3) is provided with 2 the 3rd M12 hexagon socket head cap screw installing holes (10-3), two sides of the 3rd vertical part (15-3) are all triple bus-bar stationary plane (8-3), each triple bus-bar stationary plane (8-3) is provided with 2 triple bus-bar installing holes (11-3).
2. the bus fixture with special-shaped fixture of high voltage switchgear as claimed in claim 1, is characterized in that, the top (12) of each described insulator (3) is connected by 2 M12 outer-hexagonal bolts (1) with fixing supporter (2).
3. the bus fixture with special-shaped fixture of high voltage switchgear as claimed in claim 1, is characterized in that, the bottom (13) of each described insulator (3) is connected by 2 M12 hexagon socket head cap screws (6) with special-shaped fixture.
4. the bus fixture with special-shaped fixture of high voltage switchgear as claimed in claim 1, it is characterized in that, described special-shaped fixture is connected by 2 M12 outer-hexagonal bolts (1) with each rectangular bus bar (7).
5. the bus fixture with special-shaped fixture of high voltage switchgear as claimed in claim 1, it is characterized in that, top (12) and bottom (13) of each described insulator (3) are respectively provided with 2 embedding nuts of M12 (4), one end of the embedding nut of M12 (4) and the top (12) of insulator (3) or bottom (13) mutually concordant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210289544.5A CN102780189B (en) | 2012-08-14 | 2012-08-14 | The bus fixture with special-shaped fixture of high voltage switchgear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210289544.5A CN102780189B (en) | 2012-08-14 | 2012-08-14 | The bus fixture with special-shaped fixture of high voltage switchgear |
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| Publication Number | Publication Date |
|---|---|
| CN102780189A CN102780189A (en) | 2012-11-14 |
| CN102780189B true CN102780189B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210289544.5A Active CN102780189B (en) | 2012-08-14 | 2012-08-14 | The bus fixture with special-shaped fixture of high voltage switchgear |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2037881U (en) * | 1988-09-23 | 1989-05-17 | 陈景伟 | Bus-clamping plate for low-voltage distributor |
| CN101409428A (en) * | 2008-12-04 | 2009-04-15 | 天水长城开关厂有限公司 | Apparatus for fixing vertical multi-slice rectangle conductor group |
| CN202126895U (en) * | 2011-06-20 | 2012-01-25 | 陕西科技大学 | Bus insulator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003199217A (en) * | 2001-12-26 | 2003-07-11 | Yoshihiko Kato | Bus bar support structure |
-
2012
- 2012-08-14 CN CN201210289544.5A patent/CN102780189B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2037881U (en) * | 1988-09-23 | 1989-05-17 | 陈景伟 | Bus-clamping plate for low-voltage distributor |
| CN101409428A (en) * | 2008-12-04 | 2009-04-15 | 天水长城开关厂有限公司 | Apparatus for fixing vertical multi-slice rectangle conductor group |
| CN202126895U (en) * | 2011-06-20 | 2012-01-25 | 陕西科技大学 | Bus insulator |
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Effective date of registration: 20220610 Address after: 314004 plant 6, No. 379, Ziyu Road, Daqiao Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Zhengtai Electric Technology Co.,Ltd. Address before: 201614 No. 1255, Wen Jie Road, Shanghai, Songjiang District Patentee before: Chint Electric Co.,Ltd. |