CN109036939B - Static contact for high-voltage isolation of tubular bus - Google Patents
Static contact for high-voltage isolation of tubular bus Download PDFInfo
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- CN109036939B CN109036939B CN201811192367.2A CN201811192367A CN109036939B CN 109036939 B CN109036939 B CN 109036939B CN 201811192367 A CN201811192367 A CN 201811192367A CN 109036939 B CN109036939 B CN 109036939B
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- pressing plate
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- 238000002955 isolation Methods 0.000 title claims abstract description 31
- 230000003068 static effect Effects 0.000 title claims abstract description 27
- 238000003825 pressing Methods 0.000 claims abstract description 83
- 230000007704 transition Effects 0.000 claims description 29
- 239000000758 substrate Substances 0.000 claims description 20
- 238000005192 partition Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/023—Base and stationary contacts mounted thereon
-
- 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
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- Installation Of Indoor Wiring (AREA)
Abstract
The invention relates to the technical field of electric power, in particular to a static contact for high-voltage isolation of a tubular bus, which consists of two identical upper fixing plates (1), two identical lower fixing plates (2), two identical second twisting clamps (3), eight identical first fixing elements (4), a conductive rod (5), a fixing pressing plate (6), two identical third twisting clamps (71), two identical fourth twisting clamps (72), eight identical second fixing elements (73), a bus first fixing part (81), a bus second fixing part (82), four identical third fixing elements (83), four identical fourth fixing elements (84) and two conductive twisted wires (91). The invention has the following beneficial technical effects: the bus power failure time is short, and the output electric quantity is more.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a static contact for high-voltage isolation of a tubular bus.
Background
The tubular bus is a bus structure commonly used in a transformer substation, has the main functions of collecting and distributing electric energy, has the advantages of large current-carrying capacity and good heat dissipation condition compared with the other common bus, namely a soft bus, and is mainly used for 220kV and above voltage levels; the fixed contact is fixed on the pipe bus, and when the isolating switch is switched on, the moving contact below the fixed contact rises to clamp the fixed contact on the bus above, so that the conduction is realized. At present, in a transformer substation with a voltage level of 220kV and above in a national power grid limited company, a tubular bus is mostly adopted as a bus-side isolating switch, the closing mode of the bus-side isolating switch is that a fixed contact fixed on the tubular bus is clamped after a telescopic moving contact is lifted, closing of the isolating switch is realized, when the bus-side isolating switch is installed on site, the moving contact is generally manufactured by factories and assembled on site, and the fixed contact is generally not manufactured on site; due to the rapid development of the power industry, the demands of the tubular bus fixed contacts generated by newly increased 220kV transformer substations and newly increased intervals in the running 220kV transformer substations are increased gradually, and the manufacturing of the fixed contacts is carried out after the bus is powered off, so that the time for manufacturing the fixed contacts occupies precious bus power off time; the on-site manufacturing of the tubular bus fixed contacts is generally carried out by four persons, a group of isolating switches are used for manufacturing the three fixed contacts in 5 hours except for measurement time, labor and time cost are consumed, power failure time of the bus is prolonged, and output electric quantity is reduced and power consumption is reduced.
Disclosure of Invention
In order to solve the problems, the invention aims to disclose a static contact for high-voltage isolation of a tubular bus, which is realized by adopting the following technical scheme.
A static contact for high-voltage isolation of a tubular bus consists of two identical upper fixing plates, two identical lower fixing plates, two identical second twisted wire clamps, eight identical first fixing elements, a conducting rod, a fixed pressing plate, two identical third twisted wire clamps, two identical fourth twisted wire clamps, eight identical second fixing elements, a bus first fixing part, a bus second fixing part, four identical third fixing elements, four identical fourth fixing elements and two conducting twisted wires; the method is characterized in that: the upper surface of the upper fixing plate is a plane, the lower surface of the upper fixing plate is provided with a first conductive rod containing groove which is semi-cylindrical and is recessed in the aspect of the upper surface of the upper fixing plate, the front surface and the rear surface of the upper fixing plate are both provided with transition sections which extend downwards from the upper surface of the upper fixing plate, the lower edge of the transition sections are obliquely transited to the front side and the rear side of the lower surface of the upper fixing plate, the diameter of the first conductive rod containing groove is smaller than the length between the front side of the transition sections and the rear side of the transition sections, the four corners of the upper fixing plate are provided with upper fixing plate holes which are communicated with the transition sections up and down, and the upper fixing plate holes are different from the first conductive rod containing grooves;
The upper surface of the lower fixing plate is provided with a second conductive rod containing groove which is semi-cylindrical and is recessed in the aspect of the lower surface of the lower fixing plate, the front surface and the rear surface of the lower fixing plate are both provided with transition inclined sections which extend upwards from the lower surface of the lower fixing plate, the front side and the rear side of the upper surface of the lower fixing plate are both in inclined transition, the diameter of the second conductive rod containing groove is smaller than the length from the front side of the transition inclined section to the rear side of the transition inclined section, the lower surface of the lower fixing plate is provided with two parallel and mutually non-communicated stranded wires which are recessed in the direction of the upper surface of the lower fixing plate, the axis of the stranded wire fixing first groove is perpendicular to the axis of the second conductive rod containing groove, the near four corners of the lower fixing plate are provided with lower fixing plate holes which are vertically communicated with the transition inclined section, and the lower fixing plate holes are not communicated with the second conductive rod containing grooves, and the lower fixing plate holes are not communicated with the fixing first groove;
the upper surface of the second stranded wire clamp is provided with two parallel stranded wire fixing second grooves which are recessed towards the lower surface of the second stranded wire clamp and are not communicated with each other, and the near four corners of the second stranded wire clamp are provided with second stranded wire clamp holes which are vertically communicated with each other, and the second stranded wire clamp holes are not communicated with the stranded wire fixing second grooves;
The near center of the fixed pressing plate is provided with four vertically through third fixing element holes, the four third fixing element holes are distributed in a rectangular shape, the near left end of the fixed pressing plate is provided with four vertically through second fixing element holes, the four second fixing element holes are distributed in a rectangular shape, the near right end of the fixed pressing plate is provided with four vertically through second fixing element through holes, and the four second fixing element through holes are distributed in a rectangular shape;
The lower surface of the third twisted wire clamp is provided with three parallel twisted wire fixing third grooves which are recessed towards the upper surface of the third twisted wire clamp and are not communicated with each other, two second fixing element fixing holes which vertically penetrate through the third twisted wire clamp are distributed between the adjacent twisted wire fixing third grooves in a front-back mode, and the second fixing element fixing holes are not communicated with the twisted wire fixing third grooves;
The upper surface of the fourth stranded wire clamp is provided with three parallel stranded wire fixing fourth grooves which are recessed towards the lower surface of the fourth stranded wire clamp and are not communicated with each other, two second fixing element fixing holes which vertically penetrate through the fourth stranded wire clamp are distributed between the adjacent stranded wire fixing fourth grooves in a front-back mode, and the second fixing element fixing holes are not communicated with the stranded wire fixing fourth grooves;
The first bus fixing component consists of a substrate, a connecting plate, first bus pressing plates and first buckling plates, wherein the connecting plate is vertically connected below the substrate, the first bus pressing plates are connected below the connecting plate, the first buckling plates are positioned on two sides of the lower edge of the first bus pressing plates and are connected with the first bus pressing plates, the upper surface of the substrate is a plane, the connecting plate is positioned right below the center of the substrate, the first bus pressing plates are in a semicircular cylinder shape, the groove direction of the first bus pressing plates is downward, the lower surfaces of the first buckling plates on two sides of the lower edge of the first bus pressing plates are in the same plane, third fixing element through holes which are vertically communicated are formed in the substrate, and fourth fixing element holes which are vertically communicated are formed in the first buckling plates;
The bus second fixing component consists of a bus second pressing plate and a second buckling plate, the bus second pressing plate is in a semicircular cylinder shape, the groove direction of the bus second pressing plate is upward, the second buckling plate is positioned on two sides of the upper edge of the bus second pressing plate and connected with the bus second pressing plate, the upper surface of the bus second pressing plate is in the same plane, and a fourth fixing element through hole which penetrates up and down is formed in the second buckling plate;
When the static contact for high-voltage isolation of the tubular bus is in an assembled state, an upper fixing plate, a lower fixing plate and a second stranded wire clamp are sequentially stacked from top to bottom, one end of a conducting rod is placed in a first conducting rod accommodating groove of the upper fixing plate, one end of the conducting rod is supported in a second conducting rod accommodating groove of the lower fixing plate, the first stranded wire fixing groove and the second stranded wire fixing groove are oppositely arranged, a first fixing element penetrates through an upper fixing plate hole, a lower fixing plate hole and a second stranded wire clamp hole to fix the upper fixing plate, the lower fixing plate and the second stranded wire clamp, one end of the conducting rod is fixed, and a conducting stranded wire penetrating through a first stranded wire fixing groove and a second stranded wire fixing groove is fixed; the other upper fixing plate, the other lower fixing plate and the other second stranded wire clamp are also stacked from top to bottom in sequence, the other end of the conductive rod is fixed according to the mode, and the other conductive stranded wire passing through the space between the first stranded wire fixing groove and the second stranded wire fixing groove is fixed; placing the lower surface of a fourth stranded wire clamp at the near left end of the upper surface of the fixed pressing plate, placing a third stranded wire clamp above the fourth stranded wire clamp, enabling the third stranded wire fixing groove to be aligned with the fourth stranded wire fixing groove, enabling the second fixing element to pass through the second fixing element fixing hole, the second fixing element fixing hole and fix the second fixing element fixing hole, and fixing the conductive stranded wire which passes through the third stranded wire fixing groove and the fourth stranded wire fixing groove; placing the lower surface of the other fourth stranded wire clamp at the near right end of the upper surface of the fixed pressing plate, placing the other third stranded wire clamp above the fourth stranded wire clamp, enabling the third stranded wire fixing groove to be aligned with the fourth stranded wire fixing groove, enabling the second fixing element to pass through the second fixing element fixing hole, the second fixing element fixing hole and fix the second fixing element fixing hole, and fixing the other conductive stranded wire which passes through the third stranded wire fixing groove and the fourth stranded wire fixing groove; the upper surface of the base plate is attached to the lower surface of the fixed pressing plate, and the third fixing element penetrates through the third fixing element hole and the third fixing element through hole and fixes the base plate and the fixed pressing plate; the lower surface of the first buckling plate is attached to the upper surface of the second buckling plate, and the fourth fixing element penetrates through the fourth fixing element hole and the fourth fixing element through hole and fixes the first buckling plate with the second buckling plate.
The fixed contact for high-voltage isolation of the tubular bus is characterized in that the outer surface of the first pressing plate of the bus is also provided with a first partition plate for sectioning the first pressing plate of the bus.
The fixed contact for high-voltage isolation of the tubular bus is characterized in that the outer surface of the bus second pressing plate is also provided with a second partition plate for sectioning the bus second pressing plate.
The static contact for high-voltage isolation of the tubular bus is characterized in that threaded holes are formed in the centers of the left end and the right end of the conducting rod.
Furthermore, the static contact for high-voltage isolation of the tubular bus is characterized by further comprising a conductive rod fixing piece, wherein the conductive rod fixing piece can be screwed into threaded holes in the centers of the left end and the right end of the conductive rod.
The fixed contact for high-voltage isolation of the tubular bus is characterized in that the upper fixing plate, the lower fixing plate, the second twisted wire clamp, the conducting rod, the fixing pressing plate, the third twisted wire clamp, the fourth twisted wire clamp, the first bus fixing part, the second bus fixing part and the conducting stranded wire are all conductive; are copper or aluminum or an alloy.
The static contact for high-voltage isolation of the tubular bus is characterized in that the conductive stranded wires are not less than two circles.
By adopting the structure, the tubular bus fixed contact can be quickly manufactured, the manufacturing time of one fixed contact is shortened from 6.67 to 0.9, and the time for manufacturing the fixed contact in the bus power failure process is shortened from 5 to 1 hours on the premise of keeping the original four workers unchanged, so that the bus power failure is shortened by 4 hours; the invention greatly reduces the power failure time, effectively improves the benefits of power generation and power transmission, and has simple structure, strong commonality of parts and easy manufacture and replacement.
The invention has the following beneficial technical effects: simple structure, easy manufacturing of component parts, easy replacement, short assembly time, easy maintenance, short bus power failure time, more output electric quantity and better economic benefit.
Drawings
Fig. 1 is a schematic perspective view showing an assembled state of an upper fixing plate, a lower fixing plate, a second twisted wire clip, a first fixing element and a conductive rod.
Fig. 2 is a schematic perspective view showing an assembled state of a fixed pressing plate, a third twisted wire clamp, a fourth twisted wire clamp, a first bus bar fixing component and a second bus bar fixing component.
Fig. 3 is a schematic front view of a portion of the present invention in an assembled state.
Detailed Description
In order to enable persons skilled in the art to practice this patent conveniently, the detailed description is further provided below with reference to the drawings, in which reference numerals represent the following meanings: 1-upper fixing plate, 2-lower fixing plate, 3-second twisted wire clamp, 4-first fixing element, 5-conducting rod, 51-conducting rod fixing piece, 6-fixing pressing plate, 11-first conducting rod containing groove, 21-second conducting rod containing groove, 22-twisted wire fixing first groove, 31-twisted wire fixing second groove, 71-third twisted wire clamp, 72-fourth twisted wire clamp, 73-second fixing element 711-strand fixing third groove, 721-strand fixing fourth groove, 81-busbar first fixing part, 82-busbar second fixing part, 83-third fixing element, 84-fourth fixing element, 811-substrate, 812-connecting plate, 813-busbar first pressing plate, 814-first buckling plate, 815-first partition, 823-busbar second pressing plate, 824-second buckling plate, 825-second partition, 91-conductive strand.
Referring to fig. 1 to 3, a static contact for high voltage isolation of a tubular bus bar is composed of two identical upper fixing plates 1, two identical lower fixing plates 2, two identical second twisting clamps 3, eight identical first fixing elements 4, a conductive rod 5, a fixing pressing plate 6, two identical third twisting clamps 71, two identical fourth twisting clamps 72, eight identical second fixing elements 73, a bus bar first fixing part 81, a bus bar second fixing part 82, four identical third fixing elements 83, four identical fourth fixing elements 84, and two conductive twisted wires 91; the method is characterized in that:
the upper surface of the upper fixing plate 1 is a plane, the lower surface of the upper fixing plate 1 is provided with a first conductive rod containing groove 11 which is semi-cylindrical and is recessed in the aspect of the upper surface of the upper fixing plate 1, the front surface and the rear surface of the upper fixing plate 1 are both provided with transition sections which extend downwards from the upper surface of the upper fixing plate 1, the lower edge of the transition sections are obliquely transited to the front side and the rear side of the lower surface of the upper fixing plate 1, the diameter of the first conductive rod containing groove 11 is smaller than the length between the front edge of the transition sections and the rear edge of the transition sections, the near four corners of the upper fixing plate 1 are provided with upper fixing plate holes which are vertically communicated with the transition sections, and the upper fixing plate holes are different from the first conductive rod containing grooves 11;
The lower surface of the lower fixing plate 2 is a plane, the upper surface of the lower fixing plate 2 is provided with a second conductive rod containing groove 21 which is semi-cylindrical and is concave in the aspect of the lower surface of the lower fixing plate 2, the front surface and the rear surface of the lower fixing plate 2 are both provided with transition inclined sections which extend upwards from the lower surface of the lower fixing plate 2, the upper edge of the transition inclined sections incline and transition downwards to the front side and the rear side of the upper surface of the lower fixing plate 2, the diameter of the second conductive rod containing groove 21 is smaller than the length from the front side of the transition inclined sections to the rear side of the transition inclined sections, the lower surface of the lower fixing plate 2 is provided with two parallel and non-communicated stranded wires which are recessed in the direction of the upper surface of the lower fixing plate 2, the axis of the stranded wires which are fixed to the first groove 22 is perpendicular to the axis of the second conductive rod containing groove 21, the near four corners of the lower fixing plate 2 are provided with lower fixing plate holes which are communicated with the second conductive rod containing groove 21, and the lower fixing plate holes are not communicated with the first stranded wires;
The upper surface of the second twisted wire clamp 3 is provided with two parallel twisted wire fixing second grooves 31 which are recessed towards the lower surface of the second twisted wire clamp 3 and are not communicated with each other, and the near four corners of the second twisted wire clamp 3 are provided with second twisted wire clamp holes which are vertically communicated and are not communicated with the twisted wire fixing second grooves 31;
the near center of the fixed pressing plate 6 is provided with four third fixing element holes which are vertically communicated, the four third fixing element holes are distributed in a rectangular shape, the near left end of the fixed pressing plate 6 is provided with four second fixing element holes which are vertically communicated, the four second fixing element holes are distributed in a rectangular shape, the near right end of the fixed pressing plate 6 is provided with four second fixing element through holes which are vertically communicated, and the four second fixing element through holes are distributed in a rectangular shape;
the lower surface of the third twisted wire clamp 71 is provided with three parallel twisted wire fixing third grooves 711 which are recessed towards the upper surface of the third twisted wire clamp 71 and are not communicated with each other, two second fixing element fixing holes which vertically penetrate through the third twisted wire clamp 71 are distributed between the adjacent twisted wire fixing third grooves 711, and the second fixing element fixing holes are not communicated with the twisted wire fixing third grooves 711;
The upper surface of the fourth twisted wire clamp 72 is provided with three parallel twisted wire fixing fourth grooves 721 which are recessed towards the lower surface of the fourth twisted wire clamp 72 and are not communicated with each other, two second fixing element fixing holes which vertically penetrate through the fourth twisted wire clamp 72 are distributed between the adjacent twisted wire fixing fourth grooves 721 in a front-back mode, and the second fixing element fixing holes are not communicated with the twisted wire fixing fourth grooves 721;
The first bus bar fixing member 81 is composed of a substrate 811, a connection plate 812, a first bus bar pressing plate 813, and a first buckling plate 814, the connection plate 812 is vertically connected below the substrate 811, the first bus bar pressing plate 813 is connected below the connection plate 812, the first buckling plate 814 is located at two sides of the lower edge of the first bus bar pressing plate 813 and is connected with the first bus bar pressing plate 813, the upper surface of the substrate 811 is a plane, the connection plate 812 is located right below the center of the substrate 811, the first bus bar pressing plate 813 is in a semi-circular cylinder shape, the groove direction of the first bus bar pressing plate 813 is downward, the lower surfaces of the first buckling plates 814 at two sides of the lower edge of the first bus bar pressing plate 813 are in the same plane, the substrate 811 is provided with a third fixing element through hole penetrating up and down, and the first buckling plate 814 is provided with a fourth fixing element hole penetrating up and down;
the second bus fixing component 82 is composed of a second bus pressing plate 823 and a second buckling plate 824, the second bus pressing plate 823 is in a semicircular cylinder shape, the groove direction of the second bus pressing plate 823 is upward, the second buckling plate 824 is located on two sides of the upper edge of the second bus pressing plate 823 and connected with the second bus pressing plate 823, the upper surface of the second bus pressing plate 823 is in the same plane, and a fourth fixing element through hole penetrating up and down is formed in the second buckling plate 824;
When the static contact for high-voltage isolation of the tubular bus is in an assembled state, an upper fixing plate 1, a lower fixing plate and a second stranded wire clamp 3 are sequentially stacked from top to bottom, one end of a conducting rod 5 is placed in a first conducting rod accommodating groove 11 of the upper fixing plate, one end of the conducting rod 5 is supported in a second conducting rod accommodating groove 21 of the lower fixing plate 2, a stranded wire fixing first groove 22 and a stranded wire fixing second groove 31 are oppositely arranged, a first fixing element 4 penetrates through an upper fixing plate hole, a lower fixing plate hole and a second stranded wire clamp hole to fix the upper fixing plate, the lower fixing plate and the second stranded wire clamp 3, one end of the conducting rod 5 is fixed, and a conducting stranded wire 91 penetrating between the stranded wire fixing first groove 22 and the stranded wire fixing second groove 31 is fixed; the other upper fixing plate 1, the other lower fixing plate and the other second twisted wire clamp 3 are also stacked in sequence from top to bottom, the other end of the conductive rod 5 is fixed in the above manner, and the other conductive twisted wire 91 passing through the space between the twisted wire fixing first groove 22 and the twisted wire fixing second groove 31 is fixed; placing the lower surface of a fourth strand clamp 72 at the near left end of the upper surface of the fixing presser 6, placing a third strand clamp 71 above the fourth strand clamp 72 and aligning the strand fixing third groove 711 with the strand fixing fourth groove 721, passing the second fixing member 73 through the second fixing member fixing hole, the second fixing member retaining hole, the second fixing member hole and fixing the three, and fixing the conductive strand 91 passing between the strand fixing third groove 711 and the strand fixing fourth groove 721; placing the lower surface of the other fourth strand clamp 72 at the near right end of the upper surface of the fixing presser 6, placing the other third strand clamp 71 above the fourth strand clamp 72 and aligning the strand fixing third groove 711 with the strand fixing fourth groove 721, passing the second fixing member 73 through the second fixing member fixing hole, the second fixing member retaining hole, the second fixing member hole and fixing the three, and fixing the other conductive strand 91 passing between the strand fixing third groove 711 and the strand fixing fourth groove 721; the upper surface of the substrate 811 is attached to the lower surface of the fixed platen 6, and the third fixing element 83 passes through the third fixing element hole and the third fixing element through hole, and fixes the substrate 811 to the fixed platen 6; the lower surface of the first fastening plate 814 is attached to the upper surface of the second fastening plate 824, and the fourth fastening member 84 passes through the fourth fastening member hole and the fourth fastening member through hole, and fixes the first fastening plate 814 to the second fastening plate 824.
The above-mentioned static contact for high-voltage isolation of a tubular busbar is characterized in that the outer surface of the busbar first pressing plate 813 is further provided with a first partition 815 for sectioning the busbar first pressing plate 813; the first partition 815 may increase the pressure bearing capacity of the first platen 813.
The above-mentioned static contact for high-voltage isolation of tubular bus bar is characterized in that the outer surface of the bus bar second pressing plate 823 is further provided with a second partition 825 for sectioning the bus bar second pressing plate 823; the second diaphragm 825 may increase the pressure bearing capacity of the second pressure plate 823.
The static contact for high-voltage isolation for the tubular bus is characterized in that threaded holes are formed in the centers of the left end and the right end of the conductive rod 5.
Further, the static contact for high voltage isolation for a tubular busbar is characterized by further comprising a conductive rod fixing member 51, wherein the conductive rod fixing member 51 can be screwed into the centers of the left and right ends of the conductive rod 5 and is provided with threaded holes.
The fixed contact for high-voltage isolation of the tubular bus is characterized in that the upper fixing plate, the lower fixing plate, the second twisted wire clamp, the conducting rod, the fixing pressing plate, the third twisted wire clamp, the fourth twisted wire clamp, the first bus fixing part, the second bus fixing part and the conducting stranded wire are all conductive.
Furthermore, the static contact for high-voltage isolation of the tubular bus is characterized in that the upper fixing plate, the lower fixing plate, the second twisted wire clamp, the conducting rod, the fixing pressing plate, the third twisted wire clamp, the fourth twisted wire clamp, the first bus fixing part, the second bus fixing part and the conducting twisted wire are all made of copper or aluminum or alloy.
The static contact for high-voltage isolation of the tubular bus is characterized in that the number of the conductive stranded wires on the left side is not less than two.
The static contact for high-voltage isolation of the tubular bus is characterized in that the number of the conductive stranded wires on the right side is not less than two.
The first fixing element 4, the second fixing element 73, the third fixing element 83 and the fourth fixing element 84 in the present invention may be conductive or insulating; and can be bolt and nut fixing pieces, and can also realize other fixing elements for fixing.
When the invention works, the first bus bar fixing part 81 and the second bus bar fixing part 82 are not fixed; the first bus pressing plate 813 and the second bus pressing plate 823 clamp the tubular bus, and then the first bus fixing part 81 and the second bus fixing part 82 are mutually fixed, in other words, the inversion in fig. 3 is performed, the tubular bus is in the high air, when the power is conducted, the moving contact of the high-voltage isolating switch is lifted upwards by the motor to clamp the conducting rod, the power is conducted, and when the power is disconnected, the moving contact of the high-voltage isolating switch is loosened by the motor and descends downwards to leave the conducting rod, and the power is cut off.
While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. A static contact for high-voltage isolation of a tubular bus consists of two identical upper fixing plates (1), two identical lower fixing plates (2), two identical second twisting clamps (3), eight identical first fixing elements (4), a conductive rod (5), a fixed pressing plate (6), two identical third twisting clamps (71), two identical fourth twisting clamps (72), eight identical second fixing elements (73), a bus first fixing part (81), a bus second fixing part (82), four identical third fixing elements (83), four identical fourth fixing elements (84) and two conductive twisted wires (91); the method is characterized in that: the upper surface of the upper fixing plate (1) is a plane, the lower surface of the upper fixing plate (1) is provided with a first conductive rod containing groove (11), the first conductive rod containing groove is semi-cylindrical and is recessed in the aspect of the upper surface of the upper fixing plate (1), the front surface and the rear surface of the upper fixing plate (1) are both provided with transition sections extending downwards from the upper surface of the upper fixing plate (1), the lower edge of the transition sections are obliquely transited to the front side and the rear side of the lower surface of the upper fixing plate (1), the diameter of the first conductive rod containing groove (11) is smaller than the length from the front side of the transition sections to the rear side of the transition sections, the near four corners of the upper fixing plate (1) are provided with upper fixing plate holes which are vertically communicated with the transition sections, and the upper fixing plate holes are not communicated with the first conductive rod containing groove (11);
The lower surface of the lower fixing plate (2) is a plane, the upper surface of the lower fixing plate (2) is provided with a second conductive rod containing groove (21), the second conductive rod containing groove is semi-cylindrical and is recessed in the aspect of the lower surface of the lower fixing plate (2), the front surface and the rear surface of the lower fixing plate (2) are both provided with transition inclined sections extending upwards from the lower surface of the lower fixing plate (2), the front side and the rear side of the upper surface of the lower fixing plate (2) are both in inclined transition, the diameter of the second conductive rod containing groove (21) is smaller than the length from the front side of the transition inclined section to the rear side of the transition inclined section, the lower surface of the lower fixing plate (2) is provided with two parallel twisted wire fixing first grooves (22) which are recessed in the direction of the upper surface of the lower fixing plate (2), the axis of each twisted wire fixing first groove (22) is perpendicular to the axis of the second conductive rod containing groove (21), the near four corners of the lower fixing plate (2) are provided with plate holes which are communicated with the lower fixing plate holes (21) and are communicated with the lower fixing plate holes (22);
The upper surface of the second stranded wire clamp (3) is provided with two parallel stranded wire fixing second grooves (31) which are recessed towards the lower surface of the second stranded wire clamp (3) and are not communicated with each other, the near four corners of the second stranded wire clamp (3) are provided with second stranded wire clamp holes which are vertically communicated, and the second stranded wire clamp holes are not communicated with the stranded wire fixing second grooves (31);
the near center of the fixed pressing plate (6) is provided with four vertically through third fixing element holes, the four third fixing element holes are distributed in a rectangular shape, the near left end of the fixed pressing plate (6) is provided with four vertically through second fixing element holes, the four second fixing element holes are distributed in a rectangular shape, the near right end of the fixed pressing plate (6) is provided with four vertically through second fixing element through holes, and the four second fixing element through holes are distributed in a rectangular shape;
The lower surface of the third twisted wire clamp (71) is provided with three parallel twisted wire fixing third grooves (711) which are recessed towards the upper surface of the third twisted wire clamp (71) and are not communicated with each other, two second fixing element fixing holes which vertically penetrate through the third twisted wire clamp (71) are distributed between the adjacent twisted wire fixing third grooves (711) in a front-back mode, and the second fixing element fixing holes are not communicated with the twisted wire fixing third grooves (711);
The upper surface of the fourth stranded wire clamp (72) is provided with three parallel stranded wire fixing fourth grooves (721) which are recessed towards the lower surface of the fourth stranded wire clamp (72) and are not communicated with each other, two second fixing element fixing holes which vertically penetrate through the fourth stranded wire clamp (72) are distributed between the adjacent stranded wire fixing fourth grooves (721) in a front-back mode, and the second fixing element fixing holes are not communicated with the stranded wire fixing fourth grooves (721);
The bus first fixing component (81) is composed of a substrate (811), a connecting plate (812), a bus first pressing plate (813) and a first buckling plate (814), wherein the connecting plate (812) is vertically connected below the substrate (811), the bus first pressing plate (813) is connected below the connecting plate (812), the first buckling plate (814) is positioned on two sides of the lower edge of the bus first pressing plate (813) and is connected with the bus first pressing plate (813), the upper surface of the substrate (811) is a plane, the connecting plate (812) is positioned under the center of the substrate (811), the bus first pressing plate (813) is in the shape of a semicircular cylinder, the groove direction of the bus first pressing plate (813) is downward, the lower surfaces of the first buckling plates (814) on two sides of the lower edge of the bus first pressing plate (813) are in the same plane, a third fixing element through hole which penetrates up and down is formed in the substrate (811), and a fourth fixing element hole which penetrates up and down is formed in the first buckling plate (814);
The bus second fixing component (82) is composed of a bus second pressing plate (823) and a second buckling plate (824), the bus second pressing plate (823) is in a semicircular cylinder shape, the groove direction of the bus second pressing plate (823) is upward, the second buckling plate (824) is positioned on two sides of the upper edge of the bus second pressing plate (823) and connected with the bus second pressing plate (823), the upper surfaces of the bus second pressing plate (823) are in the same plane, and a fourth fixing element through hole which penetrates up and down is formed in the second buckling plate (824);
When the static contact for high-voltage isolation of the tubular bus is in an assembled state, an upper fixing plate (1), a lower fixing plate and a second stranded wire clamp (3) are sequentially stacked from top to bottom, one end of a conducting rod (5) is placed in a first conducting rod accommodating groove (11) of the upper fixing plate, one end of the conducting rod (5) is supported in a second conducting rod accommodating groove (21) of the lower fixing plate (2), a stranded wire fixing first groove (22) and a stranded wire fixing second groove (31) are oppositely arranged, a first fixing element (4) penetrates through an upper fixing plate hole, a lower fixing plate hole and a second stranded wire clamp hole to fix the upper fixing plate, the lower fixing plate and the second stranded wire clamp (3), one end of the conducting rod (5) is fixed, and a conducting stranded wire (91) penetrating through the stranded wire fixing first groove (22) and the stranded wire fixing second groove (31) is fixed; the other upper fixing plate (1), the other lower fixing plate and the other second stranded wire clamp (3) are also stacked in sequence from top to bottom, the other end of the conductive rod (5) is fixed according to the mode, and the other conductive stranded wire (91) which passes through the space between the first stranded wire fixing groove (22) and the second stranded wire fixing groove (31) is fixed; a lower surface of a fourth wire clamp (72) is arranged near the left end of the upper surface of the fixed pressing plate (6), a third wire clamp (71) is arranged above the fourth wire clamp (72) and the third wire fixing groove (711) is aligned with the fourth wire fixing groove (721), passing the second fixing element (73) through the second fixing element fixing hole, the second fixing element fixing hole and fixing the three, and fixing the conductive stranded wire (91) passing between the stranded wire fixing third groove (711) and the stranded wire fixing fourth groove (721); placing the lower surface of the other fourth stranded wire clamp (72) at the near right end of the upper surface of the fixed pressing plate (6), placing the other third stranded wire clamp (71) above the fourth stranded wire clamp (72) and enabling the third stranded wire fixing groove (711) to be aligned with the fourth stranded wire fixing groove (721), enabling the second fixing element (73) to pass through the second fixing element fixing hole, the second fixing element fixing hole and fix the second fixing element fixing hole, and fixing the other conductive stranded wire (91) passing between the third stranded wire fixing groove (711) and the fourth stranded wire fixing groove (721); the upper surface of the substrate (811) is attached to the lower surface of the fixed pressing plate (6), and the third fixing element (83) passes through the third fixing element hole and the third fixing element through hole and fixes the substrate (811) and the fixed pressing plate (6); the lower surface of the first buckling plate (814) is attached to the upper surface of the second buckling plate (824), the fourth fixing element (84) passes through the fourth fixing element hole and the fourth fixing element through hole, and the first buckling plate (814) and the second buckling plate (824) are fixed;
The outer surface of the bus bar first pressing plate (813) is also provided with a first partition plate (815) for sectioning the bus bar first pressing plate (813); the first partition (815) may increase the pressure bearing capacity of the first platen (813);
the outer surface of the bus bar second pressing plate (823) is also provided with a second partition plate (825) for sectioning the bus bar second pressing plate (823); the second separator (825) can increase the pressure bearing capacity of the second pressure plate (823);
Screw holes are formed in the centers of the left end and the right end of the conducting rod (5).
2. The static contact for high voltage isolation of a tubular bus bar according to claim 1, further comprising a conductive rod fixing member (51), wherein the conductive rod fixing member (51) is screwed into the center of the left and right ends of the conductive rod (5) and has threaded holes.
3. The static contact for high-voltage isolation of a tubular bus bar according to claim 1, wherein the upper fixing plate, the lower fixing plate, the second twisted wire clamp, the conductive rod, the fixing pressing plate, the third twisted wire clamp, the fourth twisted wire clamp, the first bus bar fixing part, the second bus bar fixing part and the conductive twisted wire are all conductive.
4. The static contact for high voltage isolation of a tubular bus bar according to claim 3, wherein the upper fixing plate, the lower fixing plate, the second twisted wire clamp, the conducting rod, the fixing pressing plate, the third twisted wire clamp, the fourth twisted wire clamp, the first bus bar fixing part, the second bus bar fixing part and the conducting twisted wire are all made of copper or aluminum or alloy.
5. The static contact for high voltage isolation of a tubular bus bar according to claim 1, wherein the conductive strand on the left side is not less than two turns.
6. The static contact for high voltage isolation of a tubular bus bar according to claim 1, wherein the number of the conductive strands on the right side is not less than two.
7. The static contact for high voltage isolation of a tubular busbar according to claim 1, wherein the first fixing element, the second fixing element, the third fixing element and the fourth fixing element are all bolt-and-nut fasteners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811192367.2A CN109036939B (en) | 2018-10-13 | 2018-10-13 | Static contact for high-voltage isolation of tubular bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811192367.2A CN109036939B (en) | 2018-10-13 | 2018-10-13 | Static contact for high-voltage isolation of tubular bus |
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| Publication Number | Publication Date |
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| CN109036939A CN109036939A (en) | 2018-12-18 |
| CN109036939B true CN109036939B (en) | 2024-07-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208903909U (en) * | 2018-10-13 | 2019-05-24 | 国网湖北省电力有限公司随州供电公司 | A kind of high_voltage isolation static contact for tubular bus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104036979B (en) * | 2014-05-29 | 2017-02-15 | 国家电网公司 | Fixed contact assembly of valve hall and tubular bus and fixed contact connection fitting thereof |
| CN205303287U (en) * | 2016-01-08 | 2016-06-08 | 石家庄铁道大学 | A static contact structure for perpendicular telescopic isolator of single -column |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208903909U (en) * | 2018-10-13 | 2019-05-24 | 国网湖北省电力有限公司随州供电公司 | A kind of high_voltage isolation static contact for tubular bus |
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