CN116053098B - Pile head insulation shielding device for 10KV drop-out fuse - Google Patents

Pile head insulation shielding device for 10KV drop-out fuse Download PDF

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Publication number
CN116053098B
CN116053098B CN202211559231.7A CN202211559231A CN116053098B CN 116053098 B CN116053098 B CN 116053098B CN 202211559231 A CN202211559231 A CN 202211559231A CN 116053098 B CN116053098 B CN 116053098B
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CN
China
Prior art keywords
locking
cover body
clamping
pile head
drop
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Active
Application number
CN202211559231.7A
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Chinese (zh)
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CN116053098A (en
Inventor
刘恩林
方明
卜应松
武华茂
冯永恒
李咏宇
孙云龙
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Chuzhou Power Supply Co of State Grid Anhui Electric Power Co Ltd
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Chuzhou Power Supply Co of State Grid Anhui Electric Power Co Ltd
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Priority to CN202211559231.7A priority Critical patent/CN116053098B/en
Publication of CN116053098A publication Critical patent/CN116053098A/en
Application granted granted Critical
Publication of CN116053098B publication Critical patent/CN116053098B/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02Details
    • H01H85/25Safety arrangements preventing or inhibiting contact with live parts, including operation of isolation on removal of cover
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02Details
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/54Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers

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  • Fuses (AREA)
  • Insulators (AREA)

Abstract

The application discloses an insulating shielding device for a pile head on a 10 kilovolt drop-out fuse, which relates to the technical field of fuses and comprises a cover body, wherein an insulating cover is communicated with one side wall of the cover body, the insulating cover is used for sleeving the pile head on the fuse, the cover body is sleeved on the side wall of the fuse, and the cover body is of a semi-open structure; the locking mechanism is arranged on the cover body and is used for being locked on the knob insulator; when the cover body is clamped on the knob insulator, the locking mechanism can be driven to be locked on the knob insulator. According to the application, through the cover body and the insulating cover arranged on the cover body, the device can be covered on the upper pile head of the fuse during maintenance so as to insulate and block the high voltage power of the upper pile head, so that the maintenance of the lower pile head can be greatly facilitated, the upper pile head can be maintained without being powered off, and the large-area power-off condition is greatly avoided.

Description

Pile head insulation shielding device for 10KV drop-out fuse
Technical Field
The application relates to the technical field of navel oranges, in particular to an upper pile head insulating shielding device of a 10 kilovolt drop-out fuse.
Background
Along with work, study, life and the like, once people encounter power failure state, the crowd is greatly negatively influenced, therefore, the demand of uninterrupted power overhaul is increasing, RW (9-12) -15/200A models are commonly used in distribution network equipment at present, the distance between an upper pile head and a lower pile head is about 0.45 meter, when the lower pile head breaks due to a wire clamp, wire aging and the like, the upper pile head cannot meet the safety distance of 0.7 meter, the upper high-voltage power is required to be disconnected for overhaul, when the lower pile head breaks due to the wire clamp, wire aging and the like, the upper pile head is required to be completely disconnected for overhaul due to kilovolt high-voltage power of the upper pile head of a transformer, large-area power failure is caused, the power restoration time is prolonged, and certain potential safety hazards are provided.
The prior patent is as Chinese patent publication number: CN216849545U, the name of this patent is "a chinese patent of electrified installation transformer insulation protection casing and mounting tool", this patent discloses that a mounting tool drives C shape chuck and bracing piece through two sets of push type gear rotation axles and turns to, can realize four directions activity about level and during the installation, does not receive the influence of operation angle when guaranteeing on-the-spot operation, has extensive use and popularization meaning.
The patent name of the patent with the application number of 'CN2009007333. X' is as follows: the Chinese patent of the 10kV fuse insulation shielding cover adopts the characteristics of the drop-out fuse, is specially customized according to the shape of the device, can insulate and isolate the upper pile head and the lower pile head of the fuse, can shield the fuse cross arm, and has the advantages of firm installation, convenient disassembly and assembly and good shielding effect.
The prior art has the following defects: in the prior art, for example, in the above-mentioned patent, when overhauling, although having set up the insulating cover equally, but during its installation, also need manual installation, and because the position uncertainty factor of fuse on the high-voltage transformer to bring very big difficulty for installing the insulating cover, be difficult to just install the insulating cover fast, still great potential safety hazard, for this reason, the skilled person provides a pile head insulating shielding device on the 10 kilovolt drop-out fuse to solve the problem that proposes in the above-mentioned background art.
Disclosure of Invention
The application aims to provide an insulating shielding device for a pile head on a 10 kilovolt drop-out fuse, which aims to solve the defects in the prior art.
In order to achieve the above object, the present application provides the following technical solutions:
the insulating shielding device for the pile head on the 10 kilovolt drop-out fuse comprises a cover body, wherein an insulating cover is communicated with one side wall of the cover body, the insulating cover is used for sleeving the pile head on the fuse, the cover body is sleeved on the side wall of the fuse, and the cover body is of a semi-open structure;
the porcelain knob insulator further comprises a locking mechanism arranged on the cover body and used for being locked on the porcelain knob insulator;
when the cover body is clamped on the knob insulator, the locking mechanism can be driven to be locked on the knob insulator.
As a further description of the above technical solution, the locking mechanism includes a first snap ring disposed on the cover body and two second snap rings slidably connected to the first snap ring, and one end of each of the two second snap rings is provided with a locking member for locking the two second snap rings.
As the further description of above-mentioned technical scheme, still include pulling piece, pulling piece both ends are fixed connection respectively in the one end of two second snap rings, and are provided with the extension spring between two second snap rings, under its elasticity, can make two second snap rings shrink to in the first snap ring to can drive pulling piece shrink to in the first snap ring, during the installation, the cover body cup joints on the fuse, and make knob insulator 2 extrusion pulling piece, drive pulling piece pulling two second snap rings, the block is on knob insulator, and carry out the locking through the locking piece.
As a further description of the above technical solution, the first snap ring and the second snap ring are locked in the wave groove of the knob insulator.
As a further description of the above technical solution, the locking member includes a locking post fixedly disposed at one end of one of the second snap rings and two clamping blocks slidably disposed on the locking post, a first elastic member is disposed between the two clamping blocks, the locking post can be inserted into a locking slot formed in the other second snap ring, and the clamping blocks can be inserted into a clamping slot formed in the locking slot.
As further description of the technical scheme, a clamping column is fixedly arranged below the first clamping ring and is adapted to the wave groove on the porcelain column insulator.
As the further description of the technical scheme, the novel anti-theft lock further comprises a first locking piece arranged on the first clamping ring, and the cover body is provided with a limiting locking groove, and when the two second clamping rings are locked, the first locking piece can be driven to be inserted into the limiting locking groove.
As a further description of the above technical solution, the second locking member includes a locking block slidably disposed on the second snap ring in a radial direction, and a second elastic member, and one end of the second elastic member abuts against the locking block.
As further description of the technical scheme, one end of the locking block is fixedly provided with a connecting pull rope, the other end of the connecting pull rope is connected to the clamping block, and when the locking block is pressed to be separated from the limiting locking groove, the clamping block can be driven to be separated from the locking groove through the connecting pull rope, so that the locking of the second clamping ring is unlocked.
As a further description of the above technical solution, an unlocking rod is slidably disposed on the first snap ring, one end of the unlocking rod abuts against the locking block, and the other end of the unlocking rod penetrates through the first snap ring and the cover body and extends to the outer side of the cover body.
In the technical scheme, the pile head insulating shielding device for the 10-kilovolt drop-out fuse has the following beneficial effects: according to the application, through the arranged cover body and the insulating cover arranged on the cover body, the device can be covered on the upper pile head of the fuse when overhauling is carried out, so that the high-voltage electricity of the upper pile head is insulated and blocked, the overhauling of the lower pile head can be greatly facilitated, the upper pile head is not required to be powered off, the overhauling can be carried out, the large-area power-off condition is greatly avoided, and the cover body can be quickly fixed without screw installation or manual installation when being installed through the arranged locking mechanism, so that the difficulty of installing the cover body is greatly reduced, and the potential safety hazard is reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all of the features of the technology disclosed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic structural diagram of a pile head insulation shielding device on a 10kv drop-out fuse according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of another view angle in a pile head insulation shielding device on a 10kv drop-out fuse according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a 10kv drop-out fuse with a pile head insulation shielding device omitted in the embodiment of the application;
fig. 4 is a schematic structural diagram of a cover body and an insulating cover in a pile head insulating shielding device on a 10kv drop-out fuse according to an embodiment of the present application;
fig. 5 is an enlarged schematic view of a position a in a pile head insulation shielding device on a 10kv drop-out fuse according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a clamping column and two first clamping rings in a pile head insulation shielding device on a 10kv drop-out fuse according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a pulling member and a locking mechanism in a pile head insulation shielding device on a 10kv drop-out fuse according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a first snap ring and a clamping column in a pile head insulation shielding device on a 10kv drop-out fuse according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of a second snap ring and a locking column in a pile head insulation shielding device on a 10kv drop-out fuse according to an embodiment of the present application;
fig. 10 is a schematic cross-sectional view of a first locking member of a locking column in a pile head insulating shielding device on a 10kv drop-out fuse according to an embodiment of the present application;
fig. 11 is a schematic cross-sectional structure of a locking mechanism in a pile head insulating shielding device on a 10kv drop-out fuse according to an embodiment of the present application;
fig. 12 is a schematic diagram of an enlarged structure at a position B in a pile head insulation shielding device on a 10kv drop-out fuse according to an embodiment of the present application.
Reference numerals illustrate:
1. a cover body; 101. limit edges; 102. limiting locking groove; 2. a knob insulator; 11. a conical mouth; 12. a fixed handle; 121. a driving rod; 1211. a fixed block; 1212. a push plate; 13. a first snap ring; 21. an insulating sleeve; 22. a lower pile head; 14. a second snap ring; 131. unlocking the rod; 132. a clamping column; 15. an insulating cover; 141. a pulling member; 1401. a locking groove; 142. a locking post; 1421. a clamping block; 1422. a first elastic member; 1402. a clamping groove; 143. a locking block; 1431. a second elastic member; 1432. and connecting a pull rope.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the terms "comprising" or "includes" and the like in this disclosure is intended to cover an element or article listed after that term and equivalents thereof without precluding other elements or articles. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Referring to fig. 1-12, an insulating shielding device for a pile head on a 10kv drop-out fuse includes a cover body 1, wherein an insulating cover 15 is communicated with one side wall of the cover body 1, the insulating cover 15 is used for sleeving the pile head on the fuse, the cover body 1 is sleeved on the side wall of the fuse, and the cover body 1 is of a semi-open structure;
the porcelain insulator further comprises a locking mechanism arranged on the cover body 1 and used for being locked on the porcelain insulator 2;
when the cover body 1 is clamped on the knob insulator 2, the locking mechanism can be driven to be locked on the knob insulator 2.
According to the application, through the cover body 1 and the insulating cover 15 arranged on the cover body 1, when overhauling is performed, the device can be covered on the upper pile head of the fuse so as to insulate and block the high voltage power of the upper pile head, namely, overhauling of the lower pile head 22 can be greatly facilitated, and through the arranged locking mechanism, the cover body 1 can be installed without screws, manual installation is not required, the cover body 1 can be quickly fixed, the difficulty in installing the cover body 1 is greatly reduced, and the potential safety hazard is reduced.
In addition, the safety distance between the upper pile head 22 wire clamp of the high-voltage drop-out fuse and the electrified body is required to be met due to the fact that the wire clamp of the lower pile head 22 wire clamp of the high-voltage drop-out fuse is broken and replaced, the wire is separated and recovered, the distribution transformer is damaged and replaced and overhauled, and the like.
In still another embodiment, the locking mechanism includes a first clamping ring 13 provided on the cover 1 and two second clamping rings 14 slidably connected to the first clamping ring 13, and one end of each of the two second clamping rings 14 is provided with a locking member for locking the two second clamping rings 14.
In still another embodiment of the present application, the fuse is further provided with a pulling member 141, two ends of the pulling member 141 are respectively and fixedly connected to one ends of the two second snap rings 14, and a tension spring is disposed between the two second snap rings 14, under the elasticity of the tension spring, the two second snap rings 14 can be contracted into the first snap ring 13, and the pulling member 141 can be driven to be contracted into the first snap ring 13, when the fuse is installed, the cover 1 is sleeved on the fuse, and the knob insulator 2 is made to squeeze the pulling member 141, so that the pulling member 141 is driven to pull the two second snap rings 14, and the two second snap rings are clamped on the knob insulator 2, and are locked by the locking member.
In yet another embodiment provided by the application, the first snap ring 13 and the second snap ring 14 are locked in the wave groove of the knob insulator 2. The application can be locked in the groove of the knob insulator 2 by arranging the first clamping ring 13 and the second clamping ring 14, so that the stability of the device can be further improved, the shaking degree of the cover body 1 is greatly reduced, and the stability of the cover body 1 is improved.
In still another embodiment of the present application, the locking member includes a locking post 142 fixedly disposed at one end of one second snap ring 14 and two clamping blocks 1421 slidably disposed on the locking post 142, a first elastic member 1422 is disposed between the two clamping blocks 1421, the locking post 142 can be inserted into a locking groove 1401 formed on the other second snap ring 14, and the clamping blocks 1421 can be inserted into the clamping grooves 1402 formed in the locking groove 1401.
In still another embodiment of the present application, a clamping post 132 is fixedly disposed below the first clamping ring 13, and the clamping post 132 is adapted to a wave groove on the porcelain insulator 2. Through the card post 132 that sets up, can the joint in the wave groove on knob insulator 2, the stability of the first snap ring 13 of improvement that can be further and the cover body 1 and fuse, very big staff's of being convenient for overhauls.
Further, the cover body 1 is provided with a limiting locking groove 102, and when the two second clamping rings 14 are locked, the first locking piece can be driven to be inserted into the limiting locking groove 102. Specific through setting up the second locking piece, can make when carrying out the locking, can carry out the locking through first locking piece and second locking piece simultaneously respectively, namely, can carry out dual locking, can improve its stability and steadiness greatly, and can play and avoid taking place the condition that drops because of one of them locking piece fracture, and first locking piece and second locking piece can both trigger the locking through pulling piece 141, in the time of improving locking ability promptly, can be convenient for the installation of the cover body 1, wholly improve the result of use of device.
In still another embodiment of the present application, the second locking member includes a locking block 143 slidably disposed on the second snap ring 14 in the radial direction and a second elastic member 1431, and one end of the second elastic member 1431 abuts against the locking block 143.
In still another embodiment of the present application, one end of the locking block 143 is fixedly provided with a connection pull rope 1432, and the other end of the connection pull rope 1432 is connected to the clamping block 1421, when the locking block 143 is pressed to disengage from the limiting locking groove 102, the clamping block 1421 can be driven to disengage from the locking groove 1402 by the connection pull rope 1432, so as to unlock the locking of the second clamping ring 14.
In still another embodiment of the present application, the unlocking rod 131 is slidably disposed on the first snap ring 13, and one end of the unlocking rod 131 abuts against the locking block 143, and the other end penetrates the first snap ring 13 and the cover 1 and extends to the outside of the cover 1.
Specifically, in order to facilitate the removal of the cover 1, in this embodiment, a fixed handle 12 is fixedly disposed on the outer wall of the cover 1, a driving rod 121 is slidably disposed on the fixed handle 12, two ends of the driving rod 121 are respectively fixedly provided with a push block, a fixed block 1211 is fixedly disposed on the cover 1, the driving rod 121 is inserted into the fixed block 1211, and the push blocks can be abutted against the unlocking rod 131. That is, when unlocking is required, only the driving rod 121 is pushed to the direction of the unlocking rod 131, then the driving rod 121 drives the push plate 1212 to move and extrudes the unlocking rod 131, so that the unlocking rod 131 moves inwards, then extrudes the abutting locking block 143, so that the locking block 143 is gradually separated from the limiting locking groove 102, when the belt is completely separated, the locking block 143 is unlocked, the locking block 143 is separated from the locking groove 1401, simultaneously, the clamping block 1421 connected through the connecting pull rope 1432 is driven to move, and gradually, the clamping block 1421 is separated from the clamping groove 1402, and when the locking block 143 is completely separated from the limiting locking groove 102, the clamping block 1421 is also driven to be separated from the clamping groove 1402, namely, the locking block 143 and the clamping block 1421 can be simultaneously unlocked, and finally the second clamping ring 14 is clamped, namely, the device is greatly convenient to unlock, and the cover body 1 is convenient to detach.
In order to facilitate the change of the distance between the insulator 2 of the knob insulator and the upper pile head of the device, in this embodiment, the first snap ring 13 is slidably arranged along the axial direction of the cover body 1, that is, the connected second snap ring 14 and the clamping column 132 slide synchronously, that is, when the device is installed, the insulating cover 15 is first sleeved on the upper pile head and then pushed inwards, then the first snap ring 13 can slide, the corresponding slide of the position of the first snap ring 13 is positioned at a proper position, a limiting rib 101 is arranged in a limiting clamping groove 1402, a groove matched with the limiting rib 101 is formed in the unlocking rod 131, then the cover body 1 is pushed onto the insulator 2 of the knob insulator, that is, the device can be installed, when the second snap ring 14 is locked, the second snap ring 143 can be pushed onto the unlocking rod 131 through a locking block 143, so that the groove on the unlocking rod 131 is clamped on the limiting rib 101, the limiting rib 101 and the groove can limit the first snap ring 13 to slide, and the relative fixation between the first snap ring 13 and the cover body 1 is ensured, that is the stability of the whole device is improved.
When the fuse on the transformer is required to be overhauled, firstly, the insulating sleeve 21 is pulled down, one end of the insulating sleeve is disconnected from the upper pile head, then the insulating cover 15 is sleeved on the upper pile head, the cover body 1 is matched with the insulating sleeve 21, and then the insulating sleeve is pushed inwards, when the insulating sleeve is pushed inwards, the pulling piece 141 can be extruded, the second clamping ring 14 connected with the other end of the pulling piece 141 can be driven to move during extrusion, namely, the insulating sleeve can slide along the first clamping ring 13, and then is gradually sleeved on the knob insulator 2, and when in sleeve connection, the locking columns 142 can be spliced in the locking grooves 1401, then the clamping blocks 1421 are locked in the clamping grooves 1402, namely, the two first clamping rings 13 can be locked, meanwhile, the locking blocks 143 arranged on the second clamping ring 14 can slide along the first clamping rings 13, then the locking blocks 143 can be locked in the limiting locking grooves 102, and then the unlocking rods 131 are propped against the unlocking rods 131, and thus double locking of the second clamping rings 14 is realized. When unlocking is needed, the driving rod 121 is pushed to the direction of the unlocking rod 131, then the driving rod 121 drives the push plate 1212 to move and extrudes the unlocking rod 131, the unlocking rod 131 moves inwards, then the abutting locking block 143 is extruded, the locking block 143 is gradually separated from the limiting locking groove 102, when the belt is completely separated, the locking block 143 is unlocked, the locking block 143 is separated from the locking groove 1401, simultaneously, the clamping block 1421 connected through the connecting pull rope 1432 is driven to move, the clamping block 1421 is gradually separated from the clamping groove 1402, and when the locking block 143 is completely separated from the limiting locking groove 102, the clamping block 1421 is also driven to be separated from the clamping groove 1402, namely, the locking block 143 and the clamping block 1421 can be simultaneously unlocked, and finally the second clamping ring 14 is clamped, namely, the device is greatly convenient to unlock and the cover body 1 is convenient to detach.
In this embodiment, the tapered opening 11 is further disposed above the cover body 1 and is used for carrying a wire connected with an upper nut, and the cover body 1 and the fixed handle 12 are made of insulating materials, so that the cover body is effectively insulated, the pulling member 141 is a steel wire rope, and a roller can be disposed at a position contacting with the second clamping ring 14, so as to reduce friction force of the roller, facilitate pulling out the second clamping ring 14, and one end of the unlocking rod 131 is provided with a round angle, so that the push plate 1212 contracts the push rod into the limit locking groove 102.
While certain exemplary embodiments of the present application have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the application, which is defined by the appended claims.

Claims (8)

1. The utility model provides a stake head insulating shielding device on 10 kilovolts of drop-out fuse which characterized in that: the fuse pile comprises a cover body (1), wherein an insulating cover (15) is communicated with one side wall of the cover body (1), the insulating cover (15) is used for being sleeved on a pile head of a fuse, the cover body (1) is sleeved on the side wall of the fuse, and the cover body (1) is of a semi-open structure;
the porcelain insulator also comprises a locking mechanism arranged on the cover body (1) and used for being locked on the porcelain insulator (2);
when the cover body (1) is clamped on the knob insulator (2), the locking mechanism can be driven to be locked on the knob insulator (2);
the locking mechanism comprises a first clamping ring (13) arranged on the cover body (1) and two second clamping rings (14) connected to the first clamping ring (13) in a sliding manner, and a locking piece is arranged at one end part of each second clamping ring (14) and used for locking the two second clamping rings (14);
still including pulling piece (141), pulling piece (141) both ends fixed connection is in the one end of two second snap rings (14) respectively, and is provided with the extension spring between two second snap rings (14), under its elasticity, can make two second snap rings (14) shrink to first snap ring (13) in to can drive pulling piece (141) shrink to first snap ring (13), during the installation, cover body (1) cup joints on the fuse, and make knob insulator (2) extrusion pulling piece (141), drive pulling piece (141) pulling two second snap rings (14), the block is on knob insulator (2), and carry out the locking through the locking piece.
2. The pile head insulation shielding device for the 10 kilovolt drop-out fuse according to claim 1, wherein the first clamping ring (13) and the second clamping ring (14) are locked in the wave groove of the knob insulator (2).
3. The pile head insulating shielding device on a 10 kilovolt drop-out fuse according to claim 1, wherein the locking piece comprises a locking column (142) fixedly arranged at one end of one second clamping ring (14) and two clamping blocks (1421) arranged on the locking column (142) in a sliding manner, a first elastic piece (1422) is arranged between the two clamping blocks (1421), the locking column (142) can be inserted into a locking groove (1401) formed in the other second clamping ring (14), and the clamping blocks (1421) can be inserted into clamping grooves (1402) formed in the locking groove (1401).
4. The pile head insulation shielding device for the 10 kilovolt drop-out fuse according to claim 1, wherein a clamping column (132) is fixedly arranged below the first clamping ring (13), and the clamping column (132) is adapted to a wave groove on the porcelain column insulator (2).
5. The insulating shielding device for the pile head of the 10 kilovolt drop-out fuse according to claim 3, further comprising a first locking piece arranged on the first clamping ring (13), wherein the cover body (1) is provided with a limiting locking groove (102), and when the two second clamping rings (14) are locked, the first locking piece can be driven to be inserted into the limiting locking groove (102).
6. The pile head insulating shielding device for a 10kv drop-out fuse according to claim 5, wherein the first locking member comprises a locking block (143) slidably disposed on the second clasp (14) in a radial direction and a second elastic member (1431), and one end of the second elastic member (1431) abuts against the locking block (143) and the other end of the second elastic member (1431) abuts against the second clasp (14).
7. The pile head insulation shielding device for the 10 kilovolt drop-out fuse according to claim 6, wherein one end of the locking block (143) is fixedly provided with one end of a connection pull rope (1432), the other end of the connection pull rope (1432) is connected to the clamping block (1421), when the locking block (143) is pressed to be separated from the limiting locking groove (102), the clamping block (1421) can be driven to be separated from the clamping groove (1402) through the connection pull rope (1432), so that locking of the second clamping ring (14) is unlocked, and the other end of the locking block (143) is abutted to the unlocking rod (131).
8. The insulating shielding device for the pile head on the 10 kilovolt drop-out fuse according to claim 7, wherein an unlocking rod (131) is slidably arranged on the first clamping ring (13), one end of the unlocking rod (131) abuts against the locking block (143), and the other end penetrates through the first clamping ring (13) and the cover body (1) and extends to the outer side of the cover body (1).
CN202211559231.7A 2022-12-06 2022-12-06 Pile head insulation shielding device for 10KV drop-out fuse Active CN116053098B (en)

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CN202211559231.7A CN116053098B (en) 2022-12-06 2022-12-06 Pile head insulation shielding device for 10KV drop-out fuse

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CN116053098B true CN116053098B (en) 2023-09-08

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CN216450586U (en) * 2021-11-11 2022-05-06 辽宁宇光输变电有限公司 Drop-out fuse arc extinguishing tube insulating cover
CN114464508A (en) * 2022-02-15 2022-05-10 国网山西省电力公司临汾供电公司 Quick short-circuit device for drop switch

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CN214044697U (en) * 2020-10-13 2021-08-24 国网甘肃省电力公司张掖供电公司 Drop-out fuse insulation shielding tool for distribution network uninterrupted operation
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CN216450586U (en) * 2021-11-11 2022-05-06 辽宁宇光输变电有限公司 Drop-out fuse arc extinguishing tube insulating cover
CN114221261A (en) * 2021-12-21 2022-03-22 国网青海省电力公司海北供电公司 Insulating isolation baffle of drop out fuse on post
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