CN113161912A - Uninterrupted maintenance device for high-voltage isolating switch operating mechanism - Google Patents
Uninterrupted maintenance device for high-voltage isolating switch operating mechanism Download PDFInfo
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- CN113161912A CN113161912A CN202110371818.4A CN202110371818A CN113161912A CN 113161912 A CN113161912 A CN 113161912A CN 202110371818 A CN202110371818 A CN 202110371818A CN 113161912 A CN113161912 A CN 113161912A
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- hoop
- channel
- plate
- isolating switch
- screw
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 238000012423 maintenance Methods 0.000 title claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus 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)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a non-power-off maintenance device for an operating mechanism of a high-voltage isolating switch, 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 I, a plate I, a channel steel II, a plate II, a notch, a threaded connecting hole, a screw 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 recessed part; through the design, the connecting hoop and the diameter of the fixed base rod support of the base hoop and the vertical connecting rod can be adjusted, the distance between the connecting hoop and the base hoop can be adjusted, the purpose of fixing the vertical connecting rods of different devices on the base support is achieved, the body is prevented from being switched on and off under the condition of losing the self-locking of the mechanism, and the design meets the requirements of more devices.
Description
Technical Field
The invention belongs to the field of high-voltage power transmission and transformation equipment state maintenance equipment, and particularly relates to uninterrupted maintenance equipment for a high-voltage isolating switch operating mechanism.
Background
The high-voltage isolating switch is a switch equipment which has insulation distance and visible fracture between contacts in accordance with regulations in the opening position and can bear normal working current and short-circuit current in the closing position. When the isolating switch is in a closed position, the isolating switch can bear working energy to cut off short-circuit current and overlarge working current. The isolating switch is not provided with an arc extinguishing device, the structure is relatively simple, but the using quantity in a power system is large, and the operation reliability of the isolating switch has important significance for the safe and stable operation of a power grid.
The open-type isolating switch is directly exposed in the atmosphere in the operation process, is greatly influenced by natural weather such as environment temperature and humidity, rain, snow and the like, and electronic components, coils, motors and the like in the operating mechanism are easy to age, lose efficacy, insulate and damage and the like, so that the faults such as clamping stagnation, switching-on and switching-off failure and the like of the isolating switch mechanism are caused, the operation safety of a power grid is threatened, and the faults caused by the operating mechanism account for higher total faults of the isolating switch according to operation statistics, so that the regular maintenance of the isolating switch operating mechanism and the maintenance of the good operation state of the mechanism are necessary.
The maintenance mode of the traditional isolating switch mechanism is carried out after power failure, although the mode can prevent the isolating switch from being switched on and off by mistake and ensure the working safety of personnel, the influence on the power supply reliability of a power grid exists, the power failure range is larger when the bus isolating switch is maintained, and the economic benefit and the social benefit of the power grid are influenced. Although the current patents propose live-line maintenance methods, such as CN 201220464006-antiskid structure of pull rod hoop of outdoor isolating switch, CN201420753233
A vertical straight pull rod fixer of an isolating switch, CN201920498908, an uninterrupted maintenance device of an outdoor high-voltage isolating switch and the like have obvious defects, on one hand, the fixing can be carried out only by virtue of a constant-diameter rod, the maintenance requirements of the isolating switch of a specified type can be met, the isolating switch on site has various types, and the application range is limited; on the other hand, although some patents meet the maintenance requirements of some 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 the opening and closing positions of the isolation and grounding switch bodies are not changed when the electric mechanism is removed, the vertical connecting rod is fixed on the basic support, the opening and closing of the bodies under the condition of losing the self-locking of the mechanism are avoided, and the uninterrupted maintenance work requirement of various types of isolation switches with all voltage grades of 500kV and below is met.
Therefore, there is a need in the art for a new solution to solve this problem.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problem of fault and defect removal of an electric operating mechanism of a high-voltage isolating switch without power outage, the invention provides an uninterrupted maintenance device of the electric operating mechanism of the isolating switch, which meets the requirement of uninterrupted maintenance work of various types of isolating switches with all voltage grades 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 foundation hoop;
the connecting hoop is connected with the foundation hoop;
the number of the basic hoops is two;
the connecting hoop comprises a fastener and a screw I;
the number of the fastening pieces is two, and the two fastening pieces are connected through a screw I;
the fastener comprises a plate I, a channel steel II and a plate II;
the channel I is of a bilateral symmetry structure, a notch is formed in the middle of the channel I, two plates I and two channel II are arranged on the channel I, the plates I are symmetrically arranged at two ends of the channel I, the channel II is arranged in the middle of the channel I, and the channel I is perpendicular to the channel II;
the channel I and the plate I are provided with through holes which are matched with each other, the screw I sequentially passes through the through holes on the channel I and the plate I,
a plate II is arranged on the channel steel II, a threaded connecting hole is formed in the plate II, and the threaded connecting hole is connected with the foundation hoop;
the foundation hoop comprises a screw II and two pressure plates, wherein the two pressure plates are connected through bolts, and one pressure plate is welded with the screw II;
one end of the screw II is a welding end, and the other end of the screw II is a connecting end;
the connecting end penetrates through the threaded connecting hole, and the connecting end and the threaded connecting hole are fixed 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 connecting holes on each pressure plate is four.
The bolt connecting hole can be matched with a specification M16X 70 hexagon bolt.
The notch is an arc-shaped notch.
The arc radius of the arc-shaped notch of the notch is 210 mm.
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 can bring the following beneficial effects: through the design, the connecting hoop and the diameter of the fixed base rod support of the base hoop and the vertical connecting rod can be adjusted, the distance between the connecting hoop and the base hoop can be adjusted, the purpose of fixing the vertical connecting rods of different devices on the base support is achieved, the body is prevented from being switched on and off under the condition of losing the self-locking of the mechanism, and the design meets the requirements of more devices.
Drawings
The invention is further described with reference to the following figures and detailed description:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a first structural schematic diagram of the fastener of the invention.
FIG. 3 is a second schematic structural view of the fastener of the present invention.
Fig. 4 is a third schematic structural view of the fastener of the present invention.
Fig. 5 is a schematic structural view of the channel I of the present invention.
Fig. 6 is a schematic structural view of the connecting hoop according to 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 view of the structure of the screw II of the present invention.
Fig. 9 is a first schematic structural diagram of the pressure plate of the present invention.
Fig. 10 is a second schematic structural view of the pressing plate of the present invention.
Fig. 11 is a schematic view of the assembly of the pressure plate and screw II of the present invention.
In the figure, 1-connecting hoop, 2-foundation hoop, 6-fastener, 16-screw I, 601-plate I, 602-channel steel I, 603-channel steel II, 604-plate II, 6021-notch, 6041-thread connecting hole, 8-screw II, 801-welding end, 8011-protruding part, 802-connecting end, 10-pressing plate, 101-contact fixing part, 1011-groove, 102-bolt connecting hole, 103-welding part, 1031-recessed part, 901-foundation steel bracket, 902-electric mechanism and 903-vertical connecting rod.
Detailed Description
As shown in the figure, a high voltage isolator operating device does not have a power failure and overhauls device, characterized by: comprises a connecting hoop 1 and a basic hoop 2;
the connecting hoop 1 is connected with the foundation hoop 2;
the number of the basic hoops 2 is two;
the connecting hoop 1 comprises a fastener 6 and a screw I16;
the number of the fasteners 6 is two, and the two fasteners 6 are connected through a screw I16;
the fastener 6 comprises a plate I601, a channel I602, a channel II603 and a plate II 604;
the channel I602 is of a bilateral symmetry structure, a notch 6021 is arranged in the middle of the channel I602, two plates I601 and two channels II603 are arranged on the channel I602, the plates I601 are symmetrically arranged at two ends of the channel I602, the channel II603 is arranged in the middle of the channel I602, and the channel I602 is perpendicular to the channel II 603;
through holes which are matched with each other are arranged on the channel steel I602 and the plate I601, the screw I16 sequentially penetrates through the through holes on the channel steel I602 and the plate I601,
a plate II604 is arranged on the channel steel II603, a threaded connecting hole 6041 is arranged on the plate II604, and the threaded connecting hole 6041 is connected with the foundation hoop 2;
the basic hoop 2 comprises screw rods II8 and pressure plates 10, wherein the number of the pressure plates 10 is two, the two pressure plates 10 are connected through bolts, and one pressure plate 10 is connected with the screw rod II8 in a welding manner;
one end of the screw II8 is a welding end 801, and the other end of the screw II8 is a connecting end 802;
the connecting end 802 penetrates through the threaded connecting hole 6041, and the connecting end 802 and the threaded connecting hole 6041 are fixed through a nut;
the pressing plate 10 is provided with a contact fixing part 101, the contact fixing part 101 is an arc, and a groove 1011 is formed in the inner wall of the arc;
the pressing plate 10 is also provided with a bolt connecting hole 102 and a welding part 103;
the welding portion 103 is welded to the welding end 801.
The number of the bolt connecting holes 102 on each pressure plate 10 is four.
The bolt coupling hole 102 may be fitted with a M16 × 70 hex bolt.
The notch 6021 is a circular arc shaped notch.
The arc radius of the arc-shaped notch of the notch 6021 is 210 mm.
The welding end 801 is provided with a protruding part 8011; the welding portion 103 is provided with a recess 1031 engaged with the protrusion 8011.
The protrusion 8011 may be inserted into the recess 1031.
Two of the pressing plates 10 are fitted with a central hole having a diameter of 60mm by bolts, and can be used for fixing the vertical link.
In practical application, the connecting hoop 1 is used for fixing a base steel bracket of connecting equipment, wherein the notch 6021 of the channel steel I602 clamps the base steel bracket, and the screw I16 connects the fasteners 6 at two sides to fasten the base steel bracket.
The nut of link 802 is adjusted, the distance between adjustment connection staple bolt 1 and the basic staple bolt 2.
The contact fixing part 101 of the pressing plate 10 is clamped with the vertical link, wherein the groove 1011 arranged on the inner wall of the contact fixing part 101 increases friction, and the two pressing plates 10 are connected and fixed with the vertical link through the bolt.
After the connection hoop 1 and the foundation hoop 2 are fixed, the electric mechanism is removed, the switch-on and switch-off positions of the isolation and grounding switch bodies are not changed, the vertical connecting rod is fixed on the foundation support, and the switch-on and switch-off of the bodies under the condition of losing the self-locking of the mechanism are avoided.
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 hoop (1) and a basic hoop (2);
the connecting hoop (1) is connected with the foundation hoop (2);
wherein the number of the basic hoops (2) is two;
the connecting hoop (1) comprises a fastener (6) and a screw I (16);
the number of the fastening pieces (6) is two, and the two fastening pieces (6) are connected through a screw I (16);
the fastener (6) comprises a plate I (601), a channel I (602), a channel II (603) and a plate II (604);
the channel I (602) is of a bilateral symmetry structure, a notch (6021) is formed in the middle of the channel I (602), two plates I (601) and two channels II (603) are arranged on the channel I (602), the plates I (601) are symmetrically arranged at two ends of the channel I (602), the channels II (603) are formed in the middle of the channel I (602), and the channel I (602) and the channel II (603) are perpendicular to each other;
through holes which are matched with each other are arranged on the channel steel I (602) and the plate I (601), the screw I (16) sequentially penetrates through the through holes on the channel steel I (602) and the plate I (601),
a plate II (604) is arranged on the channel steel II (603), a threaded connecting hole (6041) is formed in the plate II (604), and the threaded connecting hole (6041) is connected with the foundation hoop (2);
the basic hoop (2) comprises screw rods II (8) and two pressure plates (10), wherein the two pressure plates (10) are connected through bolts, and one pressure plate (10) is welded with the screw rods II (8);
one end of the screw II (8) is a welding end (801), and the other end of the screw II is a connecting end (802);
the connecting end (802) penetrates through the threaded connecting hole (6041), and the connecting end (802) and the threaded connecting hole (6041) are fixed through 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 a groove (1011) is formed in the inner wall of the arc;
the pressing plate (10) is also provided with a bolt connecting hole (102) and a welding part (103);
the welding part (103) is welded to the welding end (801).
2. The uninterrupted maintenance device for the operating mechanism of the high-voltage isolating switch according to claim 1, which is characterized in that: the number of the bolt connecting holes (102) on each pressure plate (10) is four.
3. The uninterrupted maintenance device for the operating mechanism of the high-voltage isolating switch as claimed in claim 2, wherein: the bolt connecting hole (102) can be matched with a specification M16 x 70 hexagon bolt.
4. The uninterrupted maintenance device for the operating mechanism of the high-voltage isolating switch according to claim 1, which is characterized in that: the notch (6021) is a circular arc-shaped notch.
5. The uninterrupted maintenance device for the operating mechanism of the high-voltage isolating switch as claimed in claim 4, wherein: the arc radius of the arc-shaped notch of the notch (6021) is 210 mm.
6. The uninterrupted maintenance device for the operating mechanism of the high-voltage isolating switch according to claim 1, which is characterized in that: a protruding part (8011) is arranged on the welding end (801); and a concave part (1031) matched with the protruding part (8011) is arranged on the welding part (103).
7. The uninterrupted maintenance device for the operating mechanism of the high-voltage isolating switch as claimed in claim 6, wherein: the protrusion (8011) may be inserted into the recess (1031).
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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113161912A true CN113161912A (en) | 2021-07-23 |
| CN113161912B CN113161912B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110371818.4A Active CN113161912B (en) | 2021-04-07 | 2021-04-07 | Uninterrupted maintenance device for high-voltage isolating switch operating mechanism |
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| CN113161912B (en) | 2024-06-04 |
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