CN111048338A - Centering installation calibration device for three-station isolation grounding switch of ring main unit - Google Patents
Centering installation calibration device for three-station isolation grounding switch of ring main unit Download PDFInfo
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- CN111048338A CN111048338A CN201911267860.0A CN201911267860A CN111048338A CN 111048338 A CN111048338 A CN 111048338A CN 201911267860 A CN201911267860 A CN 201911267860A CN 111048338 A CN111048338 A CN 111048338A
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- shaft
- main unit
- grounding switch
- ring main
- supporting
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- 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
-
- 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
- H01H2011/0075—Apparatus or processes specially adapted for the manufacture of electric switches calibrating mechanical switching properties, e.g. "snap or switch moment", by mechanically deforming a part of the switch, e.g. elongating a blade spring by puncturing it with a laser
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Switches (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The invention discloses a centering installation and calibration device for a three-station isolation grounding switch of a ring main unit, which comprises: the first and second limiting sleeves are mounted on two sides of the positioning limiting block, and the two sides of the positioning limiting block are also connected with the first and second supporting devices through the first and second shaft sleeves; the first and second supporting devices comprise first and second crank arms, and the upper ends of the first and second crank arms are connected with the first and second shaft sleeves through first and second ball bearings; the lower ends of the first crank arm and the second crank arm are arranged on the first supporting base and the second supporting base through the first bearing and the second bearing, and the height of the verifying device arranged in the center of the ring main unit three-station isolating grounding switch is adjusted through the first supporting adjusting device and the second supporting adjusting device arranged at the bottoms of the first supporting base and the second supporting base. The invention is used for accurately ensuring the centering degree of the movable cutter head and the grounding contact base as well as the movable cutter head and the grounding contact base and ensuring the assembly quality of the three-station isolation grounding switch, thereby improving the quality of products.
Description
Technical Field
The invention relates to the technical field of switch equipment, in particular to a centering installation calibration device for a three-station isolation grounding switch of a ring main unit.
Background
The three-station isolation grounding switch is used as an important part in the gas insulation ring main unit, and the quality reliability of the three-station isolation grounding switch directly influences the overall performance of the switch cabinet.
The three-station isolation grounding switch integrates the functions of the isolation switch and the grounding switch and is completed by one knife, so that mechanical locking can be realized, the main loop is prevented from being electrified and grounded, and the position of one knife is unique at a certain moment and only can be at any position among a switch-on position, a switch-off position or a grounding position.
However, in the prior art, the closing contact base and the grounding contact base are mounted on the three-station support by using screws, and the movable tool bit and the closing contact base and the movable tool bit and the grounding contact base are not aligned easily in such a mounting mode.
And among the prior art have three station isolation earthing switch closing contact seat and ground connection contact seat to be manual assembly, all rely on the assembler experience to try on dress, wait to close a floodgate contact seat and ground connection contact seat and install the back on the support, fix three station isolation earthing switch again and carry out each item performance test on three station characteristic test fixture, still need to repeat dismouting and test unqualified, this has not only damaged the surface of sound contact and ground connection contact seat, cause the damage of product, still greatly increased installer and inspector's repetitive work volume, cause the error easily.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a verification device for centering installation of a three-position isolating and grounding switch of a ring main unit.
In order to realize the purpose of the invention, the adopted technical scheme is as follows:
the utility model provides a calibration equipment is installed to three station isolation earthing switch centering of looped netowrk cabinet, includes:
the first and second limiting sleeves are mounted on two sides of the positioning limiting block, and the two sides of the positioning limiting block are also connected with the first and second supporting devices through the first and second shaft sleeves;
the first and second supporting devices comprise a first and second crank arms, and the upper ends of the first and second crank arms are connected with the first and second shaft sleeves through a first and second ball bearings;
the lower ends of the first crank arm and the second crank arm are mounted on the first supporting base and the second supporting base through bearings for a first shaft and a second shaft, and the height of the checking device mounted in the center of the ring main unit three-station isolating grounding switch is adjusted through a first supporting adjusting device and a second supporting adjusting device at the bottoms of the first supporting base and the second supporting base.
In a preferred embodiment of the present invention, the first and second support adjusting devices include a first and second knob installed at the bottom of the first and second support base, the first and second knob are connected to a first and second screw rod and a first and second tacking block, and the height of the checking device installed in the center of the ring main unit three-position isolation grounding switch is adjusted by the cooperation of the first and second knob, the first and second screw rod, the first and second tacking block.
In a preferred embodiment of the present invention, the upper ends of the first and second crank arms are provided with first and second ball bearing mounting holes, and the first and second ball bearing mounting holes are connected with the first and second ball bearings through first and second flat pads matched with the first and second shaft clamping pins.
In a preferred embodiment of the invention, the lower ends of the first crank arm and the second crank arm are provided with a first bearing mounting hole and a second bearing mounting hole, and the first bearing mounting hole and the second bearing mounting hole are connected with the first bearing and the second bearing mounting hole through a third flat pad, a fourth flat pad and a third bayonet pin and a fourth bayonet pin which are matched with each other.
In a preferred embodiment of the present invention, the first and second support bases include first and second i-shaped mounting frames, one end of the first and second screws is mounted with the first and second knobs and then passes through the first and second i-shaped mounting frames, and the ends of the first and second screws are mounted with the first and second tacking blocks; and the top parts of the first I-shaped mounting rack and the second I-shaped mounting rack are also fixedly provided with a first shaft bearing mounting rack and a second shaft bearing mounting rack which are used for mounting the first shaft bearing and the second shaft bearing.
In a preferred embodiment of the present invention, the positioning limiting block is an H-shaped positioning limiting block, and the first and second sleeve mounting holes are formed in the middle of the H-shaped positioning limiting block.
The invention has the beneficial effects that:
the invention is used for accurately ensuring the centering degree of the movable cutter head and the grounding contact base as well as the movable cutter head and the grounding contact base and ensuring the assembly quality of the three-station isolation grounding switch, thereby improving the quality of products. The assembly and calibration work of three stations can be completed at one time, so that the assembly and calibration time can be greatly saved, and the working efficiency is improved. And avoids economic losses due to product damage caused by repeated assembly inspection.
Drawings
Fig. 1 is a schematic structural diagram 1 of the present invention.
Fig. 2 is a schematic structural diagram 2 of the present invention.
Fig. 3 is an assembly schematic of the present invention.
Detailed Description
The main principle of the invention is as follows:
the basic principle of the method is that the space position of the moving cutter head of the three-station isolation grounding switch is confirmed, the fixed position of a tool on a support is determined, and finally the space positions of a closing contact base and a grounding contact base are limited by installing a calibration device in the three-station isolation grounding switch of the ring main unit, and then the closing contact base and the grounding contact base are fixed, so that the determination of the alignment degree of the moving cutter head and the closing contact base and the moving cutter head and the grounding contact base is completed.
As shown in fig. 1 or 2, the verification device 100 is installed in the ring main unit three-position isolation grounding switch pair, and includes a positioning limiting block 110. The positioning limiting block 110 is an H-shaped positioning limiting block, the middle part of the positioning limiting block 110 is provided with limiting sleeve mounting holes 111a and 112a, and limiting sleeves 121 and 122 are mounted through the limiting sleeve mounting holes 111a and 112 a.
The middle of the positioning limiting block 110 is further provided with shaft sleeve mounting holes 113a and 114a, and shaft sleeves 131 and 132 are mounted through the shaft sleeve mounting holes 113a and 114 a.
The two sides 111, 112 of the positioning limiting block 110 are connected with the limiting sleeves 121, 122 through the limiting sleeve mounting holes 111a, 112a, and the two sides 113, 114 of the positioning limiting block 110 are also connected with the supporting devices 200, 300 through the shaft sleeves 131, 132.
The supporting device 200, 300 comprises a crank arm 210, 310, a ball bearing mounting hole 211a, 311a is arranged at the upper end 211, 311 of the crank arm 210, 310, and the ball bearing 220, 320 and a matched shaft clamping pin 221, 321 and a flat pad 222, 322 are connected with a shaft sleeve 131, 132.
Shaft bearing mounting holes 212a, 312a are opened at lower ends 212, 312 of the crank arms 210, 310, and the shaft bearings 230, 330 are connected to the shaft bearing mounting holes 212a, 312a via flat pads 231, 331 and shaft pins 232, 332 that are fitted to each other.
The shaft bearings 230 and 330 are mounted on the supporting bases 240 and 340, and the supporting adjusting devices 250 and 350 at the bottoms of the supporting bases 240 and 340 are used for adjusting the height of the verifying device 100 mounted in the center of the three-position isolating grounding switch of the ring main unit.
The supporting and adjusting devices 250 and 350 comprise knobs 251 and 351 installed at the bottoms of the supporting bases 260 and 360, the knobs 251 and 351 are connected with screws 252 and 352 and tacking blocks 253 and 353, and the heights of the verification devices 100 installed in the three-position isolating and grounding switch centers of the ring main unit are adjusted through the cooperation of the knobs 251 and 351, the screws 252 and 352 and the tacking blocks 253 and 353.
The supporting bases 260, 360 comprise i- shaped mounting frames 261, 361, and after one ends of the screws 252, 352 are provided with the knobs 251, 351, the screws pass through the i- shaped mounting frames 261, 361 and the fastening blocks 253, 353 are arranged at the tail ends of the screws 252, 352.
As shown in fig. 3, the spatial position of the moving blade 400 of the three-position isolation grounding switch is firstly confirmed, the fixed position of the calibration device 100 on the three-position mounting bracket 500 installed in the three-position isolation grounding switch center of the ring main unit is determined, finally, the spatial positions of the closing contact base 600 and the grounding contact base 700 are limited by installing the calibration device 100 in the three-position isolation grounding switch center of the ring main unit, and then the closing contact base 600 and the grounding contact base 700 are fixed, so that the determination of the alignment degree of the moving blade 400 and the closing contact base 600, and the moving blade 400 and the grounding contact base 700 is completed.
Claims (6)
1. The utility model provides a calibration equipment is installed to three station isolation earthing switch centering of looped netowrk cabinet, its characterized in that includes:
the first and second limiting sleeves are mounted on two sides of the positioning limiting block, and the two sides of the positioning limiting block are also connected with the first and second supporting devices through the first and second shaft sleeves;
the first and second supporting devices comprise a first and second crank arms, and the upper ends of the first and second crank arms are connected with the first and second shaft sleeves through a first and second ball bearings;
the lower ends of the first crank arm and the second crank arm are mounted on the first supporting base and the second supporting base through bearings for a first shaft and a second shaft, and the height of the checking device mounted in the center of the ring main unit three-station isolating grounding switch is adjusted through a first supporting adjusting device and a second supporting adjusting device at the bottoms of the first supporting base and the second supporting base.
2. The centering and installation checking device for the three-position isolating and grounding switch of the ring main unit as claimed in claim 1, wherein the first and second support adjusting devices include a first and second knob installed at the bottom of the first and second support base, the first and second knob are connected with a first and second screw rod and a first and second clinch block, and the height of the centering and installation checking device for the three-position isolating and grounding switch of the ring main unit is adjusted by the cooperation of the first and second knob, the first and second screw rod, the first and second clinch block.
3. The centering installation and calibration device for the three-station isolating and grounding switch of the ring main unit according to claim 1, wherein the upper ends of the first and second crank arms are provided with first and second ball bearing installation holes, and the first and second ball bearing installation holes are connected with the first and second ball bearings through first and second flat pads matched with first and second shaft clamping pins.
4. The centering installation and calibration device for the three-station isolating and grounding switch of the ring main unit according to claim 1, wherein the lower ends of the first and second crank arms are provided with first and second shaft bearing installation holes, and the first and second shaft bearing installation holes are connected with the first and second shaft bearings through third and fourth flat pads and third and fourth shaft bayonet pins which are matched with each other.
5. The centering installation and calibration device for the three-station isolating and grounding switch of the ring main unit according to claim 1, wherein the first and second support bases comprise first and second i-shaped installation frames, one ends of the first and second screws are provided with the first and second knobs, and then penetrate through the first and second i-shaped installation frames, and the tail ends of the first and second screws are provided with the first and second clinch blocks; and the top parts of the first I-shaped mounting rack and the second I-shaped mounting rack are also fixedly provided with a first shaft bearing mounting rack and a second shaft bearing mounting rack which are used for mounting the first shaft bearing and the second shaft bearing.
6. The centering installation and calibration device for the three-station isolating and grounding switch of the ring main unit according to claim 1, wherein the positioning limiting block is an H-shaped positioning limiting block, and the first and second limiting sleeve mounting holes and the first and second shaft sleeve mounting holes are formed in the middle of the H-shaped positioning limiting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911267860.0A CN111048338B (en) | 2019-12-11 | 2019-12-11 | Centering installation calibration device for three-station isolation grounding switch of ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911267860.0A CN111048338B (en) | 2019-12-11 | 2019-12-11 | Centering installation calibration device for three-station isolation grounding switch of ring main unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111048338A true CN111048338A (en) | 2020-04-21 |
| CN111048338B CN111048338B (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911267860.0A Active CN111048338B (en) | 2019-12-11 | 2019-12-11 | Centering installation calibration device for three-station isolation grounding switch of ring main unit |
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| CN200953297Y (en) * | 2006-09-29 | 2007-09-26 | 西安西开高压电气股份有限公司 | Movable and fixed centralizing tool for isolating switch separate assembling |
| CN201576607U (en) * | 2009-12-01 | 2010-09-08 | 中国西电电气股份有限公司 | Three-station isolating switch centering device |
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| CN203003424U (en) * | 2012-11-21 | 2013-06-19 | 河南平高电气股份有限公司 | Working cylinder assembling device |
| CN203826253U (en) * | 2014-04-30 | 2014-09-10 | 许继（厦门）智能电力设备股份有限公司 | Three-phase moving contact alignment device |
| CN204295547U (en) * | 2014-11-14 | 2015-04-29 | 平高集团有限公司 | Centralising device |
| CN105280416A (en) * | 2015-10-30 | 2016-01-27 | 河南平高电气股份有限公司 | T-shaped arc extinguishing chamber component butt-joint tool |
| US20160079010A1 (en) * | 2012-03-02 | 2016-03-17 | Thomas & Betts International, Llc | Removable shed sleeve for switch |
| CN105449567A (en) * | 2015-11-27 | 2016-03-30 | 平高集团有限公司 | Static contact positioning device of movable type switchgear and static contact positioning method |
| CN105977087A (en) * | 2016-06-15 | 2016-09-28 | 上海天灵开关厂有限公司 | Static contact positioning tool for dual-movable-contact switch, and applicative switch cabinet applying tool |
| CN106876198A (en) * | 2017-04-21 | 2017-06-20 | 河南森源电气股份有限公司 | Tri-station isolating switch positioning tool and localization method |
| CN107528246A (en) * | 2017-09-06 | 2017-12-29 | 国家电网公司 | A kind of sealing device mounting tool |
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2019
- 2019-12-11 CN CN201911267860.0A patent/CN111048338B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200953297Y (en) * | 2006-09-29 | 2007-09-26 | 西安西开高压电气股份有限公司 | Movable and fixed centralizing tool for isolating switch separate assembling |
| CN201576607U (en) * | 2009-12-01 | 2010-09-08 | 中国西电电气股份有限公司 | Three-station isolating switch centering device |
| CN102446661A (en) * | 2010-10-11 | 2012-05-09 | 江苏省如高高压电器有限公司 | 126kV breaker arc extinguish chamber centring frock |
| US20160079010A1 (en) * | 2012-03-02 | 2016-03-17 | Thomas & Betts International, Llc | Removable shed sleeve for switch |
| CN203003424U (en) * | 2012-11-21 | 2013-06-19 | 河南平高电气股份有限公司 | Working cylinder assembling device |
| CN203826253U (en) * | 2014-04-30 | 2014-09-10 | 许继（厦门）智能电力设备股份有限公司 | Three-phase moving contact alignment device |
| CN204295547U (en) * | 2014-11-14 | 2015-04-29 | 平高集团有限公司 | Centralising device |
| CN105280416A (en) * | 2015-10-30 | 2016-01-27 | 河南平高电气股份有限公司 | T-shaped arc extinguishing chamber component butt-joint tool |
| CN105449567A (en) * | 2015-11-27 | 2016-03-30 | 平高集团有限公司 | Static contact positioning device of movable type switchgear and static contact positioning method |
| CN105977087A (en) * | 2016-06-15 | 2016-09-28 | 上海天灵开关厂有限公司 | Static contact positioning tool for dual-movable-contact switch, and applicative switch cabinet applying tool |
| CN106876198A (en) * | 2017-04-21 | 2017-06-20 | 河南森源电气股份有限公司 | Tri-station isolating switch positioning tool and localization method |
| CN107528246A (en) * | 2017-09-06 | 2017-12-29 | 国家电网公司 | A kind of sealing device mounting tool |
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| Publication number | Publication date |
|---|---|
| CN111048338B (en) | 2022-03-22 |
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