CN113161912B - Uninterrupted maintenance device for high-voltage isolating switch operating mechanism - Google Patents

Uninterrupted maintenance device for high-voltage isolating switch operating mechanism Download PDF

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Publication number
CN113161912B
CN113161912B CN202110371818.4A CN202110371818A CN113161912B CN 113161912 B CN113161912 B CN 113161912B CN 202110371818 A CN202110371818 A CN 202110371818A CN 113161912 B CN113161912 B CN 113161912B
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China
Prior art keywords
maintenance device
plate
channel
isolating switch
steel
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CN202110371818.4A
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CN113161912A (en
Inventor
张赛鹏
曹森
董洪达
陈捷元
赵天成
张恒源
赵春明
司昌健
矫立新
杨正盛
冯世涛
李军良
战春雨
黄涛
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Maintenance Company State Grid Jilinsheng Electric Power Supply Co
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Jilin Electric Power Co Ltd
State Grid Jilin Electric Power Corp
Original Assignee
Maintenance Company State Grid Jilinsheng Electric Power Supply Co
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Jilin Electric Power Co Ltd
State Grid Jilin Electric Power Corp
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Application filed by Maintenance Company State Grid Jilinsheng Electric Power Supply Co, State Grid Corp of China SGCC, Electric Power Research Institute of State Grid Jilin Electric Power Co Ltd, State Grid Jilin Electric Power Corp filed Critical Maintenance Company State Grid Jilinsheng Electric Power Supply Co
Priority to CN202110371818.4A priority Critical patent/CN113161912B/en
Publication of CN113161912A publication Critical patent/CN113161912A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B3/00Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

The invention relates to a non-power-failure maintenance device for a high-voltage isolating switch operating mechanism, which belongs to the field of high-voltage power transmission and transformation equipment state maintenance equipment and comprises a connecting hoop, a basic hoop, a fastener, a screw rod I, a plate I, a channel steel II, a plate II, a notch, a threaded connecting hole, a screw rod II, a welding end, a protruding part, a connecting end, a pressing plate, a contact fixing part, a groove, a bolt connecting hole, a welding part and a concave part; through above-mentioned design, connect staple bolt and the fixed basic pole support of basis staple bolt and the diameter of perpendicular connecting rod all can be adjusted, connect the staple bolt simultaneously and the distance between the basis staple bolt can be adjusted, reach the purpose of fixing the perpendicular connecting rod of different equipment at the basis support is fixed, avoid the body to divide under the circumstances of losing the mechanism auto-lock, the combined floodgate, make this design adapt to the demand of more equipment.

Description

Uninterrupted maintenance device for high-voltage isolating switch operating mechanism
Technical Field
The invention belongs to the field of high-voltage power transmission and transformation equipment state overhaul equipment, and particularly relates to uninterrupted power overhaul equipment for a high-voltage isolating switch operating mechanism.
Background
The high-voltage isolating switch is a switching device which has a specified insulation distance and a visible fracture between contacts when in a switching-off position and can bear normal working current and short-circuit current when in a switching-on position. When the isolating switch is at the closing position, the isolating switch can bear working energy to cut off short-circuit current and overlarge working current. The isolating switch has no arc extinguishing device, has a relatively simple structure, but has larger use quantity in a power system, and the running reliability of the isolating switch has important significance for the safe and stable running of a power grid.
The open type isolating switch is directly exposed to the atmosphere in the operation process, is greatly influenced by natural weather such as ambient temperature and humidity, rain and snow, and the like, and electronic components, coils, motors and the like in the operating mechanism are easy to age, lose efficacy, insulate and the like, so that faults such as clamping stagnation, switching failure and the like of the isolating switch mechanism are caused, the operation safety of a power grid is threatened, and faults caused by the operation statistics operating mechanism account for higher total faults of the isolating switch, so that the operating mechanism of the isolating switch is regularly overhauled, and the good operation state of the operating mechanism is necessary.
The traditional disconnecting switch mechanism overhauling mode is carried out after power failure, and the mode can prevent the disconnecting switch from being switched on and off by mistake and ensure the working safety of personnel, but the power supply reliability of the power grid is influenced at the same time, the power failure range is larger when the bus disconnecting switch is overhauled, and the economic benefit and the social benefit of the power grid are influenced. At present, although the patent proposes an electrified maintenance method, such as an anti-slip structure of a pull rod hoop of a CN 201220464006-outdoor isolating switch, and CN201420753233
The vertical pull rod fixer for the isolating switch and the CN 201920498908-outdoor high-voltage isolating switch uninterrupted power maintenance device and the like still have obvious defects, on one hand, the vertical pull rod fixer can only be fixed by means of an equal-diameter rod, and can only meet the maintenance requirements of the isolating switch of a specified type, and the isolating switch on site has various types and limited application range; on the other hand, although part of patents meet the overhauling requirement of part of types of isolating switches, the isolating switches of all voltage levels are not fully covered, and meanwhile, the problems of simple fixing mode, poor reliability and the like exist.
Therefore, a new technology is needed to ensure that when the electric mechanism is removed, the opening and closing positions of the isolating and grounding switch body are not changed, the vertical connecting rod is fixed on the basic bracket, the opening and closing of the body under the condition that the mechanism is lost and self-locking is avoided, and the uninterrupted power overhaul work requirements of all types of isolating switches with voltage levels of 500kV and below are met.
There is a need in the art for a new solution to this problem.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: in order to solve the problem of fault and defect removal without power outage of the electric operating mechanism of the high-voltage isolating switch, the invention provides a device for overhauling without power outage of the electric operating mechanism of the isolating switch, which meets the working requirements of overhauling without power outage of various isolating switches with voltage levels of 500kV and below.
The utility model provides a high voltage isolator operating device does not have a power failure and overhauls device which characterized by: comprises a connecting hoop and a basic hoop;
The connecting anchor ear is connected with the base anchor ear;
the number of the basic hoops is two;
the connecting hoop comprises a fastener and a screw I;
The number of the fasteners is two, and the two fasteners are connected through the screw rod I;
the fastener comprises a plate I, a channel steel II and a plate II;
the steel channel I is of a bilateral symmetry structure, a notch is formed in the middle of the steel channel I, plates I and steel channels II are arranged on the steel channel I, the number of the plates I is two, the plates I are symmetrically arranged at two ends of the steel channel I, the steel channel II is arranged in the middle of the steel channel I, and the steel channel I and the steel channel II are mutually perpendicular;
The channel steel I and the plate I are respectively provided with a through hole which is matched with each other, the screw rod I sequentially passes through the through holes on the channel steel I and the plate I,
The steel channel II is provided with a plate II, the plate II is provided with a threaded connecting hole, and the threaded connecting hole is connected with the foundation hoop;
The foundation hoop comprises a screw rod II and two pressing plates, wherein the number of the pressing plates is two, the two pressing plates are connected through bolts, and one pressing plate is welded with the screw rod II;
one end of the screw rod II is a welding end, and the other end of the screw rod II is a connecting end;
the connecting end penetrates through the threaded connecting hole, and the connecting end is fixed with the threaded connecting hole through a nut;
the pressing plate is provided with a contact fixing part, the contact fixing part is an arc, and the inner wall of the arc is provided with a groove;
the pressing plate is also provided with a bolt connecting hole and a welding part;
The welding part is welded with the welding end.
The number of the bolt connection holes on each pressing plate is four.
The bolt connection holes may be fitted with standard m16×70 hex bolts.
The notch is a circular arc notch.
The arc radius of the arc-shaped notch of the notch is 210mm.
The welding end is provided with a protruding part; and the welding part is provided with a concave part matched with the protruding part.
The protrusion may be inserted into the recess.
Through the design scheme, the invention has the following beneficial effects: through above-mentioned design, connect staple bolt and the fixed basic pole support of basis staple bolt and the diameter of perpendicular connecting rod all can be adjusted, connect the staple bolt simultaneously and the distance between the basis staple bolt can be adjusted, reach the purpose of fixing the perpendicular connecting rod of different equipment at the basis support is fixed, avoid the body to divide under the circumstances of losing the mechanism auto-lock, the combined floodgate, make this design adapt to the demand of more equipment.
Drawings
The invention is further described with reference to the drawings and detailed description which follow:
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the fastener of the present invention.
Fig. 3 is a schematic structural view of a fastener according to the present invention.
Fig. 4 is a schematic view of a fastener of the present invention.
Fig. 5 is a schematic structural view of the channel steel I of the present invention.
Fig. 6 is a schematic structural view of the connecting hoop of the present invention.
Fig. 7 is a schematic view of the working state of the connecting hoop of the present invention.
Fig. 8 is a schematic structural view of the screw II of the present invention.
Fig. 9 is a schematic structural view of a platen according to the present invention.
Fig. 10 is a schematic structural diagram of a platen according to the present invention.
Fig. 11 is an assembly schematic diagram of the press plate and screw II of the present invention.
In the figure, 1-connection anchor ear, 2-base anchor ear, 6-fastener, 16-screw rod I, 601-plate I, 602-channel steel I, 603-channel steel II, 604-plate II, 6021-notch, 6041-threaded connection hole, 8-screw rod II, 801-welded end, 8011-protrusion, 802-connected end, 10-press plate, 101-contact fixing part, 1011-groove, 102-bolt connection hole, 103-welded part, 1031-recess, 901-base steel bracket, 902-electric mechanism, 903-vertical connecting rod.
Detailed Description
As shown in the figure, a high-voltage isolating switch operating mechanism uninterrupted maintenance device is characterized by: comprises a connecting hoop 1 and a basic hoop 2;
the connecting anchor ear 1 is connected with the base anchor ear 2;
Wherein the number of the basic hoops 2 is two;
the connecting hoop 1 comprises a fastener 6 and a screw rod I16;
the number of the fasteners 6 is two, and the two fasteners 6 are connected through the screw rod I16;
the fastener 6 comprises a plate I601, a channel I602, a channel II603 and a plate II604;
The channel steel I602 is of a bilateral symmetry structure, a notch 6021 is formed in the middle of the channel steel I602, two plates I601 and two channel steel II603 are arranged on the channel steel I602, the plates I601 are symmetrically arranged at two ends of the channel steel I602, the channel steel II603 is arranged in the middle of the channel steel I602, and the channel steel I602 and the channel steel II603 are mutually perpendicular;
the channel steel I602 and the plate I601 are respectively provided with a through hole which is matched with each other, the screw rod I16 sequentially passes through the through holes on the channel steel I602 and the plate I601,
The channel steel II603 is provided with a plate II604, the plate II604 is provided with a threaded connection hole 6041, and the threaded connection hole 6041 is connected with the foundation hoop 2;
The foundation hoop 2 comprises a screw rod II8 and two pressing plates 10, wherein the number of the pressing plates 10 is two, the two pressing plates 10 are connected through bolts, and one pressing plate 10 is welded and connected with the screw rod II 8;
one end of the screw II8 is a welding end 801, and the other end is a connecting end 802;
Wherein the connection end 802 passes through the threaded connection hole 6041, and the connection end 802 and the threaded connection hole 6041 are fixed by a nut;
The pressing plate 10 is provided with a contact fixing part 101, the contact fixing part 101 is in an arc shape, and the inner wall of the arc shape is provided with a groove 1011;
the pressing plate 10 is also provided with a bolt connecting hole 102 and a welding part 103;
the welded portion 103 is welded to the welded end 801.
The number of the bolt connection holes 102 on each pressing plate 10 is four.
The bolting hole 102 may be fitted with a standard m16×70 hex bolt.
The recess 6021 is a circular arc recess.
The arc radius of the arc-shaped notch of the notch 6021 is 210mm.
The welding end 801 is provided with a protruding part 8011; the welding portion 103 is provided with a recess 1031 which is engaged with the protrusion 8011.
The protrusion 8011 may be inserted into the recess 1031.
Two of the pressing plates 10 are formed with a hole of 60mm diameter at the center by bolt fitting, and can be used for fixing the vertical link.
In practical application, the connecting anchor ear 1 is used for fixing a foundation steel support of connecting equipment, wherein a notch 6021 of the channel steel I602 clamps the foundation steel support, and the screw I16 connects the two side fasteners 6 to fasten the foundation steel support.
The nut of the connecting end 802 is adjusted, and the distance between the connecting anchor ear 1 and the base anchor ear 2 is adjusted.
The contact fixing portion 101 of the pressing plate 10 clamps the vertical link, wherein the groove 1011 provided on the inner wall of the contact fixing portion 101 increases friction, and the two pressing plates 10 fix the vertical link by bolting.
After the connection anchor ear 1 and the basic anchor ear 2 are fixed, the electric mechanism is removed, the opening and closing positions of the isolation and grounding switch body are not changed, the vertical connecting rod is fixed on the basic support, and the body is prevented from opening and closing under the condition of losing the self-locking of the mechanism.

Claims (7)

1. The utility model provides a high voltage isolator operating device does not have a power failure and overhauls device which characterized by: comprises a connecting anchor ear (1) and a basic anchor ear (2);
the connecting anchor ear (1) is connected with the basic anchor ear (2);
Wherein the number of the basic hoops (2) is two;
the connecting hoop (1) comprises a fastener (6) and a screw rod I (16);
the number of the fasteners (6) is two, and the two fasteners (6) are connected through a screw rod I (16);
The fastener (6) comprises a plate I (601), a channel I (602), a channel II (603) and a plate II (604);
The steel channel I (602) is of a bilateral symmetry structure, a notch (6021) is formed in the middle of the steel channel I (602), two plates I (601) and two steel channels II (603) are arranged on the steel channel I (602), the plates I (601) are symmetrically arranged at two ends of the steel channel I (602), the steel channel II (603) is arranged in the middle of the steel channel I (602), and the steel channel I (602) and the steel channel II (603) are mutually perpendicular;
the channel steel I (602) and the plate I (601) are respectively provided with a through hole which is matched with each other, the screw rod I (16) sequentially passes through the through holes on the channel steel I (602) and the plate I (601),
The steel channel II (603) is provided with a plate II (604), the plate II (604) is provided with a threaded connection hole (6041), and the threaded connection hole (6041) is connected with the foundation hoop (2);
The foundation hoop (2) comprises a screw rod II (8) and two pressing plates (10), wherein the number of the pressing plates (10) is two, the two pressing plates (10) are connected through bolts, and one pressing plate (10) is welded with the screw rod II (8);
one end of the screw rod II (8) is a welding end (801), and the other end is a connecting end (802);
Wherein the connecting end (802) passes through the threaded connecting hole (6041), and the connecting end (802) and the threaded connecting hole (6041) are fixed through a nut;
A contact fixing part (101) is arranged on the pressing plate (10), the contact fixing part (101) is in an arc shape, and a groove (1011) is arranged on the inner wall of the arc shape;
the pressing plate (10) is also provided with a bolt connecting hole (102) and a welding part (103);
The welding part (103) is welded with a welding end (801).
2. The uninterruptible maintenance device for the high-voltage isolating switch operating mechanism of claim 1, wherein the uninterruptible maintenance device is characterized in that: the number of the bolt connection holes (102) on each pressing plate (10) is four.
3. The uninterruptible maintenance device for the high-voltage isolating switch operating mechanism according to claim 2, wherein the uninterruptible maintenance device is characterized in that: the bolt connection hole (102) can be matched with a standard M16X 70 hexagonal bolt.
4. The uninterruptible maintenance device for the high-voltage isolating switch operating mechanism of claim 1, wherein the uninterruptible maintenance device is characterized in that: the notch (6021) is a circular arc notch.
5. The uninterruptible maintenance device for the high-voltage isolating switch operating mechanism of claim 4, wherein: the arc radius of the arc-shaped notch of the notch (6021) is 210mm.
6. The uninterruptible maintenance device for the high-voltage isolating switch operating mechanism of claim 1, wherein the uninterruptible maintenance device is characterized in that: a protruding part (8011) is arranged on the welding end (801); the welding part (103) is provided with a concave part (1031) matched with the protruding part (8011).
7. The uninterruptible maintenance device for the high-voltage isolating switch operating mechanism of claim 6, wherein: the protrusion (8011) may be inserted into the recess (1031).
CN202110371818.4A 2021-04-07 2021-04-07 Uninterrupted maintenance device for high-voltage isolating switch operating mechanism Active CN113161912B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110371818.4A CN113161912B (en) 2021-04-07 2021-04-07 Uninterrupted maintenance device for high-voltage isolating switch operating mechanism

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Application Number Priority Date Filing Date Title
CN202110371818.4A CN113161912B (en) 2021-04-07 2021-04-07 Uninterrupted maintenance device for high-voltage isolating switch operating mechanism

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CN113161912B true CN113161912B (en) 2024-06-04

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KR102160032B1 (en) * 2020-05-07 2020-09-25 장림이엔지(주) Gap maintaim apparatus between electric wire of distribution line
DE202020107601U1 (en) * 2020-05-25 2021-01-26 State Grid Huzhou Power Supply Company Cable clamp and cable fastening mechanism
CN215185435U (en) * 2021-04-07 2021-12-14 国网吉林省电力有限公司电力科学研究院 Uninterrupted maintenance device for high-voltage isolating switch operating mechanism

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CN215185435U (en) * 2021-04-07 2021-12-14 国网吉林省电力有限公司电力科学研究院 Uninterrupted maintenance device for high-voltage isolating switch operating mechanism

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