CN110553777B - Visual static contact device of outdoor high-voltage isolating switch clamping force - Google Patents
Visual static contact device of outdoor high-voltage isolating switch clamping force Download PDFInfo
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- CN110553777B CN110553777B CN201910944473.XA CN201910944473A CN110553777B CN 110553777 B CN110553777 B CN 110553777B CN 201910944473 A CN201910944473 A CN 201910944473A CN 110553777 B CN110553777 B CN 110553777B
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- clamping force
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- dial
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- 230000003068 static effect Effects 0.000 title claims abstract description 18
- 230000000007 visual effect Effects 0.000 title claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 28
- 229910052782 aluminium Inorganic materials 0.000 claims description 28
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0062—Testing or measuring non-electrical properties of switches, e.g. contact velocity
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Breakers (AREA)
- Contacts (AREA)
Abstract
The invention discloses a visual static contact device for clamping force of an outdoor high-voltage isolating switch, which comprises a static contact device, a tube nut connecting mechanism, a first moving contact and a second moving contact of the isolating switch, wherein the static contact device comprises a contact rod member and two groups of clamping force indicating plate mechanisms, the two groups of clamping force indicating plate mechanisms are respectively arranged at two ends of the contact rod member, the contact rod member consists of a first contact rod and a second contact rod, the first contact rod and the second contact rod are respectively positioned at the inner sides of the first moving contact and the second moving contact, and the two groups of clamping force indicating plate mechanisms comprise a finger plate, a dial, a wiring plate, a torsion spring and a fixing pin. According to the invention, the clamping force indicating plate mechanism is additionally arranged at the end side of the contact rod, when the isolating switch is switched on, the finger plate rotates along with the increase of the clamping force of the contact, and the operation and maintenance personnel can conveniently observe the contact through the indication of the dial, so that whether the contact is reliable or not can be accurately judged, and the real-time indication of the clamping force of the contact in the operation process of the outdoor high-voltage isolating switch is realized.
Description
Technical Field
The invention relates to the technical field of isolating switches, in particular to a visual static contact device for clamping force of an outdoor high-voltage isolating switch.
Background
At present, the clamping force of the scissor type isolating switch is provided by elastic deformation of a conductive arm, the clamp type isolating switch adopts an external pressure spring mode, a fixed contact is a copper pipe, a connecting rod for adjusting the clamping force and other transmission parts are sealed inside a box body, and the important performance parameter of the clamping force is sent to a transformer substation site after being detected to be qualified in a manufacturing plant. Because the outside of the box body can not observe the condition of the internal transmission part, whether the clamping force is stable after the switch runs for a long time or not can not be directly obtained, and the clamping force can only be measured when the isolating switch is overhauled. Most maintenance companies do not have clamping force testers, and maintenance personnel are required to work aloft even if the clamping force testers are provided with the clamping force testers, so that the operation and maintenance personnel are inconvenient to work.
Disclosure of Invention
The invention aims to provide a device for indicating the clamping force of a contact in the running process of an outdoor high-voltage isolating switch, so that operation and maintenance personnel can master the clamping force of the isolating switch during daily inspection, and a basis is provided for state evaluation of the isolating switch.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides an outdoor high-voltage isolating switch clamping force visual static contact device, includes static contact device, tub is female, tub female coupling mechanism and isolator's first moving contact and second moving contact, static contact device includes contact bar member and two sets of clamping force indication board mechanisms, two sets of clamping force indication board mechanisms set up respectively at contact bar member both ends, contact bar member comprises first contact bar and second contact bar, first contact bar and second contact bar are located first moving contact and second moving contact inboard respectively, two sets of clamping force indication board mechanisms all include finger board, calibrated scale, wiring board, calibrated scale and fixed pin, the equal fixed mounting of finger board is at first contact bar both ends, equal fixed mounting is at second contact bar both ends, the finger board passes through fixed pin and movable hinge, wiring board fixed mounting is at fixed pin inboard end, the torsional spring is installed on the fixed pin, is located between calibrated scale and the wiring board.
Preferably, the tubular busbar connection mechanism comprises a hardware fitting, a cross arm aluminum plate, a steel-cored aluminum strand and two groups of steel-cored aluminum strand clamps, wherein the steel-cored aluminum strand clamps are fixedly arranged on the wiring board, the hardware fitting is fixedly arranged on the tubular busbar, the cross arm aluminum plate is fixedly connected with the hardware fitting, and the steel-cored aluminum strand clamps are connected with the cross arm aluminum plate through the steel-cored aluminum strand.
Preferably, the universal supports are fixedly arranged at two ends of the first contact rod and the second contact rod, and the fixing pins are communicated with the upper ends of the universal supports.
Preferably, a wire-lapping plate is fixedly arranged on the surface of one side, close to the dial, of the wiring plate, and a limit bolt is arranged on the wire-lapping plate and is positioned at the position of the universal bracket.
Preferably, the two ends of the first contact rod and the second contact rod are fixedly provided with elastic connecting plates, and the upper ends of the elastic connecting plates are fixedly connected to the wire-lapping plates.
Preferably, the dial is in a fan-shaped structure, scale marks are arranged on the periphery of the surface of the dial, and the pointer plate is arranged on the outer side surface of the dial.
Compared with the prior art, the invention has the advantages that:
According to the invention, the contact rod of the original static contact device of the isolating switch is changed into two contact rods from an integral rod structure, the connection mode of the contact rod and the steel-cored aluminum stranded wire is changed into soft connection from hard connection, and the clamping force indicating plate mechanism is additionally arranged at the end side of the contact rod, so that when the isolating switch is switched on, the indicating plate rotates along with the increase of the clamping force of the contact, the operation and maintenance personnel can conveniently observe through the indication of the dial, whether the contact is reliable or not is accurately judged, and the real-time indication of the clamping force of the contact in the operation process of the outdoor high-voltage isolating switch is realized.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a visual static contact device for clamping force of an outdoor high-voltage isolating switch;
FIG. 2 is a side view of an outdoor high voltage isolator clamp force visible stationary contact assembly of the present invention;
FIG. 3 is a block diagram of the female connection mechanism of the present invention;
FIG. 4 is a schematic view of the contact position of the invention with the moving contact of the isolating head switch;
fig. 5 is a schematic diagram of the closing position of the moving contact of the isolating head switch.
In the figure: 1a first touch bar 1, a finger plate 2, a dial 3, a wiring board 4, an elastic connecting plate 5, a torsion spring 6, a fixing pin 7, a limit bolt 8, a universal bracket 9, a second touch bar 10, a pipe nut 11, a fitting 12, a cross arm aluminum plate 13, a steel-cored aluminum strand 14, a steel-cored aluminum strand clamp 15, a first movable contact 16, a second movable contact 17 and a wire-lapping plate 18.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Referring to fig. 1,2 and 3, the invention provides a visual static contact device for clamping force of an outdoor high-voltage isolating switch, which comprises a static contact device, a pipe nut 11, a pipe nut connecting mechanism and a first moving contact 16 and a second moving contact 17 of the isolating switch, wherein the static contact device comprises a contact rod piece and two groups of clamping force indicating plate mechanisms, the two groups of clamping force indicating plate mechanisms are respectively arranged at two ends of the contact rod piece, the contact rod piece is composed of a first contact rod 1 and a second contact rod 10, the first contact rod 1 and the second contact rod 10 are respectively positioned at the inner sides of the first moving contact 16 and the second moving contact 17, the two groups of clamping force indicating plate mechanisms comprise a needle plate 2, a dial 3, a wiring board 4, a torsion spring 6 and a fixed pin 7, the needle plate 2 is fixedly arranged at two ends of the first contact rod 1, the needle plate 3 is fixedly arranged at two ends of the second contact rod 2, the needle plate 2 is movably hinged with the dial 3 through the fixed pin 7, the torsion spring 6 is fixedly arranged at the inner ends of the fixed pin 7, and the torsion spring 6 is positioned between the dial 3 and the torsion spring 4.
In this embodiment, the female coupling mechanism of pipe includes gold utensil 12, cross arm aluminum plate 13, steel core aluminium stranded conductor 14 and two sets of steel core aluminium stranded conductor anchor clamps 15, and steel core aluminium stranded conductor anchor clamps 15 fixed mounting is on wiring board 4, and gold utensil 12 fixed mounting is on female 11 of pipe, and cross arm aluminum plate 13 and gold utensil 12 fixed connection, steel core aluminium stranded conductor anchor clamps 15 are connected with cross arm aluminum plate 13 through steel core aluminium stranded conductor 14.
In this embodiment, the universal bracket 9 is fixedly mounted at both ends of the first contact bar 1 and the second contact bar 10, and the fixing pin 7 is penetrated through the upper end of the universal bracket 9.
In this embodiment, a wire-lapping plate 18 is fixedly installed on the surface of one side of the wiring board 4, which is close to the position of the dial 3, and a limit bolt 8 is installed on the wire-lapping plate 18, and the limit bolt 8 is located at the position of the universal bracket 9, and can prop against the universal bracket 9 by tightening the limit bolt 8, so that the stability of the universal bracket is ensured.
In this embodiment, the two ends of the first contact bar 1 and the second contact bar 10 are fixedly provided with the elastic connection plates 5, and the upper ends of the elastic connection plates 5 are fixedly connected to the wire-bonding plates 18, as shown in fig. 3, to form a conductive loop.
In this embodiment, the dial 3 has a fan-shaped structure, scale marks are arranged on the periphery of the surface of the dial 3, and the pointer plate 2 is arranged on the outer side surface of the dial 3.
Working principle: the fixed contact device opens an included angle of 90 degrees under the action of the torsion spring 6 and the limit bolt 8, and at the moment, the scale mark of the pointer 2, which points to the surface of the dial 3, is zero scale, namely the clamping force value is zero. When the scissor type GW6 type isolating switch is switched on, the first moving contact 16 and the second moving contact 17 are contacted with each other, the first contact rod 1 and the second contact rod 10 are driven to rotate in opposite directions, meanwhile, the pointer of the pointer 2 slides on the dial 3, after the switch on is finished, the pointer indicates the clamping force value of the switch on position as shown in fig. 5, and if the clamping force of the moving contact of the scissor type isolating switch is changed, the pointer is correspondingly changed. The inspection personnel can make the state judgment of the isolating switch by comparing the clamping force values, so that time and labor are saved.
When the isolating switch is opened, the first contact rod 1 and the second contact rod 10 reversely rotate under the action force of the torsion spring 6 until the included angle is about 90 degrees, the pointers of the finger needle plates 2 indicate zero, namely the clamping force value is zero, and the isolating switch continues to open until the opening position is finished.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, the patentees may make various modifications or alterations within the scope of the appended claims, and are intended to be within the scope of the invention as described in the claims.
Claims (2)
1. The utility model provides a visual static contact device of outdoor high voltage isolator clamping force, includes static contact device, pipe is female, female coupling mechanism of pipe and isolator's first moving contact and second moving contact, its characterized in that: the static contact device comprises a contact rod member and two groups of clamping force indicating plate mechanisms, wherein the two groups of clamping force indicating plate mechanisms are respectively arranged at two ends of the contact rod member, the contact rod member consists of a first contact rod and a second contact rod, the first contact rod and the second contact rod are respectively positioned at the inner sides of a first moving contact and a second moving contact, the two groups of clamping force indicating plate mechanisms comprise a finger plate, a dial plate, a wiring board, a torsion spring and a fixed pin, the finger plate is fixedly arranged at two ends of the first contact rod, the dial plate is fixedly arranged at two ends of the second contact rod, the finger plate is movably hinged with the dial plate through the fixed pin, the wiring board is fixedly arranged at the inner side of the fixed pin, the torsion spring is arranged on the fixed pin, and the torsion spring is positioned between the dial plate and the wiring board;
The two ends of the first touch bar and the second touch bar are fixedly provided with universal supports, and the fixing pins are communicated with the upper ends of the universal supports;
A wire-lapping plate is fixedly arranged on the surface of one side, close to the dial, of the wiring plate, a limit bolt is arranged on the wire-lapping plate, and the limit bolt is positioned at the position of the universal bracket;
elastic connecting plates are fixedly arranged at two ends of the first contact rod and the second contact rod, and the upper ends of the elastic connecting plates are fixedly connected to the wire-lapping plates;
The pipe bus connecting mechanism comprises hardware fittings, a cross arm aluminum plate, steel-cored aluminum stranded wires and two groups of steel-cored aluminum stranded wire clamps, wherein the steel-cored aluminum stranded wire clamps are fixedly arranged on the wiring board, the hardware fittings are fixedly arranged on the pipe bus, the cross arm aluminum plate is fixedly connected with the hardware fittings, and the steel-cored aluminum stranded wire clamps are connected with the cross arm aluminum plate through the steel-cored aluminum stranded wires.
2. The outdoor high-voltage isolating switch clamping force visual static contact device according to claim 1, wherein: the dial is of a fan-shaped structure, scale marks are arranged on the periphery of the surface of the dial, and the finger plate is arranged on the outer side surface of the dial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910944473.XA CN110553777B (en) | 2019-09-30 | 2019-09-30 | Visual static contact device of outdoor high-voltage isolating switch clamping force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910944473.XA CN110553777B (en) | 2019-09-30 | 2019-09-30 | Visual static contact device of outdoor high-voltage isolating switch clamping force |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110553777A CN110553777A (en) | 2019-12-10 |
| CN110553777B true CN110553777B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910944473.XA Active CN110553777B (en) | 2019-09-30 | 2019-09-30 | Visual static contact device of outdoor high-voltage isolating switch clamping force |
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| Country | Link |
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| CN (1) | CN110553777B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112530753B (en) * | 2020-11-26 | 2023-02-03 | 广东电网有限责任公司清远供电局 | Binding post and use its circuit breaker |
| CN115165187B (en) * | 2022-06-27 | 2024-04-26 | 山东大学 | Visual device for clamping force of outdoor high-voltage isolating switch |
| CN116893339B (en) * | 2023-08-10 | 2024-05-28 | 湘南学院 | High-voltage isolating switch fault diagnosis device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050101248A (en) * | 2004-04-16 | 2005-10-21 | 엘에스산전 주식회사 | A movable contactor assembly for a mould cased circuit breaker |
| CN102564670A (en) * | 2011-12-21 | 2012-07-11 | 江苏国艾电气有限公司 | Device for measuring pressure of moving contact and fixed contact of high-voltage switch |
| CN106409573A (en) * | 2016-10-08 | 2017-02-15 | 国网新疆电力公司电力科学研究院 | Field installation detection method for dual-column horizontal opening-closing isolation switch based on force-measuring contact |
| CN107063537A (en) * | 2017-01-03 | 2017-08-18 | 国家电网公司 | Fist formula disconnector contact-finger clamps force tester |
| CN207068700U (en) * | 2017-08-08 | 2018-03-02 | 广东电网有限责任公司佛山供电局 | A kind of GIS disconnecting switch divide-shut brake instruction device |
| CN208127063U (en) * | 2018-05-07 | 2018-11-20 | 广东电网有限责任公司 | A kind of instruction device for GIS divide-shut brake in place |
| CN208240597U (en) * | 2018-06-11 | 2018-12-14 | 乐清市赛翔电气有限公司 | A kind of small-sized disconnecting switch |
| CN210464765U (en) * | 2019-09-30 | 2020-05-05 | 山东泰开隔离开关有限公司 | Clamping force visual static contact device of outdoor high-voltage isolating switch |
-
2019
- 2019-09-30 CN CN201910944473.XA patent/CN110553777B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050101248A (en) * | 2004-04-16 | 2005-10-21 | 엘에스산전 주식회사 | A movable contactor assembly for a mould cased circuit breaker |
| CN102564670A (en) * | 2011-12-21 | 2012-07-11 | 江苏国艾电气有限公司 | Device for measuring pressure of moving contact and fixed contact of high-voltage switch |
| CN106409573A (en) * | 2016-10-08 | 2017-02-15 | 国网新疆电力公司电力科学研究院 | Field installation detection method for dual-column horizontal opening-closing isolation switch based on force-measuring contact |
| CN107063537A (en) * | 2017-01-03 | 2017-08-18 | 国家电网公司 | Fist formula disconnector contact-finger clamps force tester |
| CN207068700U (en) * | 2017-08-08 | 2018-03-02 | 广东电网有限责任公司佛山供电局 | A kind of GIS disconnecting switch divide-shut brake instruction device |
| CN208127063U (en) * | 2018-05-07 | 2018-11-20 | 广东电网有限责任公司 | A kind of instruction device for GIS divide-shut brake in place |
| CN208240597U (en) * | 2018-06-11 | 2018-12-14 | 乐清市赛翔电气有限公司 | A kind of small-sized disconnecting switch |
| CN210464765U (en) * | 2019-09-30 | 2020-05-05 | 山东泰开隔离开关有限公司 | Clamping force visual static contact device of outdoor high-voltage isolating switch |
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| CN110553777A (en) | 2019-12-10 |
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