CN114284941A - Transition cross arm insulation shielding cover for lightning arrester - Google Patents
Transition cross arm insulation shielding cover for lightning arrester Download PDFInfo
- Publication number
- CN114284941A CN114284941A CN202210122003.7A CN202210122003A CN114284941A CN 114284941 A CN114284941 A CN 114284941A CN 202210122003 A CN202210122003 A CN 202210122003A CN 114284941 A CN114284941 A CN 114284941A
- Authority
- CN
- China
- Prior art keywords
- baffle
- shielding cover
- positioning frame
- lightning arrester
- cross arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a transition cross arm insulation shielding cover for a lightning arrester, which comprises: the insulation shielding cover comprises an insulation shielding cover body, a baffle plate, a telegraph pole positioning frame and jacks, wherein the insulation shielding cover body is of a hollow structure; the baffle is vertically arranged at the top of the insulating shielding cover body and used for isolating the wires of each phase; the telegraph pole positioning frame penetrates through the junction between the top surface and the first side surface of the insulating shielding cover body and is used for fixing the telegraph pole; the jack is fixedly arranged on the first side surface of the insulating shielding cover body, which is provided with the telegraph pole positioning frame, is connected with the telegraph pole positioning frame and is used for jacking up and taking down the shielding cover. The invention simplifies the mounting and dismounting steps, saves the mounting time and ensures the operation safety through the integrated design.
Description
Technical Field
The invention relates to a live-wire work tool for a power distribution network, in particular to a transition cross arm insulation shielding cover for a lightning arrester.
Background
Because 10kV distribution lines equipment, device are compact, and the space is narrow, when overhauing, being under construction on electrified equipment, the operation personnel must carry out the insulation with the grounding body and keep apart.
The hot-line work shielding cover device of the same kind is mainly designed in a customized mode aiming at overhead line wires, insulators, single-cross-arm devices and double-cross-arm devices, the materials are generally soft insulating materials, a die can be covered with electric equipment, and the design concept is lacked.
Along with the rapid promotion of urban power supply reliability requirement, live working's demand is growing at a rapid pace, and traditional technical installation has been unable to satisfy ever-increasing operation demand and safe construction requirement, and current technique all has obvious not enough in the aspect of construction safety nature and the aspect of efficiency of construction.
According to the invention, the lightning arrester cross arm insulating shielding cover is arranged, so that the cross arm device is fully covered, an insulating barrier is increased, and the operation safety of constructors is ensured.
Disclosure of Invention
The invention aims to provide a transition cross arm insulating shielding cover for a lightning arrester, which meets the requirement of live working and solves the problems and the limitations in the prior art.
The lightning arrester cross arm device is mainly used for shielding a lightning arrester cross arm, and is manually installed during installation, so that the cross arm device is fully covered, an insulation barrier is increased, and the safe operation distance of construction personnel is guaranteed. When the device is taken down, the operating rod is used for remote operation, the device is jacked up firstly, and then the device is taken down.
To achieve the above object, the present invention provides a transition cross arm insulation shield for a lightning arrester, comprising: the insulation shielding cover comprises an insulation shielding cover body, a baffle plate, a telegraph pole positioning frame and jacks, wherein the insulation shielding cover body is of a hollow structure; the baffle is vertically arranged at the top of the insulating shielding cover body and used for isolating the wires of each phase; the telegraph pole positioning frame penetrates through the junction between the top surface and the first side surface of the insulating shielding cover body and is used for fixing the telegraph pole; the jack is fixedly arranged on the first side surface of the insulating shielding cover body, which is provided with the telegraph pole positioning frame, is connected with the telegraph pole positioning frame and is used for jacking up and taking down the shielding cover.
The top of the insulating shielding cover body is provided with a plurality of baffle clamping grooves, the baffle clamping grooves are matched with the baffles, one baffle clamping groove corresponds to one baffle, and the bottoms of the baffles are embedded into the baffle clamping grooves.
Further, the baffle clamping grooves comprise a first baffle clamping groove, a second baffle clamping groove and a third baffle clamping groove, and the baffles are clamped into the three baffle clamping grooves respectively, so that the wires of each phase are isolated.
The top of the telegraph pole positioning frame is provided with a semicircular groove, and the inner profile of the semicircular groove is matched with the inner profile of the telegraph pole.
The telegraph pole positioning frame is erected between the second baffle clamping groove and the third baffle clamping groove, the width of the telegraph pole positioning frame exceeds the side edge of the insulating shielding cover body, and the height of the telegraph pole positioning frame exceeds the top edge of the insulating shielding cover body.
Preferably, the cross section of the jack is in an "L" shape, and the jack comprises a top plate and a side plate which are vertically connected, wherein the top plate is arranged on the top of the insulating shielding cover body in a covering manner, and the side plate is arranged on the first side surface of the insulating shielding cover body in a covering manner, and is flush and connected with the telegraph pole positioning frame.
Furthermore, the side plate of the jack is of a hollow structure, and a plurality of hollow insulating pipes are arranged inside the jack and used for inserting the operating rod to move the insulating shielding cover.
A plurality of lightning arrester support holes matched with lightning arresters on the transition cross arm penetrate through the bottom of the second side face of the insulating shielding cover body along the horizontal direction, so that shielding and structural protection are provided for the lightning arresters; wherein the first side surface is disposed opposite to the second side surface.
The insulating shielding cover body, the baffle, the telegraph pole positioning frame and the jacks are all made of engineering plastics.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides an integrated transition cross arm insulating shielding cover, which reduces the times of respectively carrying out insulating shielding and dismounting on each phase of cable transition support, simplifies the mounting and dismounting steps, saves the mounting time and embodies the advantages of the integrated insulating shielding cover.
2. According to the invention, through the installation of the jacks, the shielding cover can be conveniently installed or removed by using the operating rod under the condition that the lead of the cable transition support is electrified, so that the safe operation is ensured.
3. The shielding cover is made of high-strength insulating materials, can effectively bear power frequency withstand voltage of 20kV/min to the ground, ensures the insulating isolation between a charged body and a grounding body, and fully ensures the safety of operating personnel.
Drawings
FIG. 1 is a front perspective view of a transition cross arm insulating shroud of the present invention;
FIG. 2 is a bottom perspective view of the transition cross arm insulation shield of the present invention;
FIG. 3 is a cross-sectional view of a transition cross arm insulation shield of the present invention;
fig. 4 is a rear view of the transitional cross arm insulating shroud of the present invention.
Detailed Description
The technical contents, construction features, attained objects and effects of the present invention will be described in detail through preferred embodiments with reference to the accompanying drawings.
It should be noted that the drawings are simplified in form and not to precise scale, and are only used for convenience and clarity to assist in describing the embodiments of the present invention, but not for limiting the conditions of the embodiments of the present invention, and therefore, the present invention is not limited by the technical spirit, and any structural modifications, changes in the proportional relationship, or adjustments in size, should fall within the scope of the technical content of the present invention without affecting the function and the achievable purpose of the present invention.
It is to be noted that, in the present invention, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention provides a transition cross arm insulation shielding cover for a lightning arrester, which comprises: the insulation shielding cover comprises an insulation shielding cover body 1, a baffle plate 2, a telegraph pole positioning frame 4 and an insertion hole 5.
As shown in FIG. 1, the insulation shield body 1 is a hollow structure, has a total length of 1675mm, a width of 226mm and a height of 160mm, can cover a cable transition support cross arm with a length of 1600mm and a cable transition support of each phase, and can effectively withstand voltage of 20kV/min power frequency to the ground. Preferably, the insulating shield body 1 is made of PE (polyethylene), which has excellent low temperature resistance and electrical insulation. The cable transition support is a vertical copper plate arranged on the lightning arrester and is used as a connecting pile head of an overhead lead and a cable line.
The baffle 2 is vertically arranged at the top of the insulating shielding cover body 1 and used for isolating the wires of each phase. The thickness of baffle 2 is 4mm, and this thickness satisfies live working requirement.
The top of the insulating shielding cover body 1 is further provided with a plurality of baffle clamping grooves 3 matched with the baffles 2, one baffle clamping groove 3 corresponds to one baffle 2, and the baffles 2 are vertically and fixedly connected to the top of the insulating shielding cover body 1 by embedding the bottoms of the baffles 2 into the baffle clamping grooves 3.
In this embodiment, as shown in fig. 1, 3 baffle slots, namely a first baffle slot 31, a second baffle slot 32 and a third baffle slot 33, are arranged at intervals on the top of the insulating shielding cover body 1. The baffle plates 2 are respectively inserted into the 3 baffle plate clamping grooves, so that the space at the top of the insulating shielding cover body 1 can be divided into 4 parts, and the wires of each phase are isolated.
A telegraph pole positioning frame 4 penetrates through the junction between the top part and the first side surface of the insulating shielding cover body 1 along the vertical direction, the telegraph pole positioning frame 4 is erected between the second baffle clamping groove 32 and the third baffle clamping groove 33, the width of the telegraph pole positioning frame 4 slightly exceeds the side edge of the insulating shielding cover body 1, and the height of the telegraph pole positioning frame 4 also slightly exceeds the top edge of the insulating shielding cover body 1. Specifically, the top of the utility pole positioning frame 4 is provided with a semicircular groove, the semicircular inner profile of the semicircular groove is matched with the outer profile of the utility pole, one side of the utility pole is embedded in the semicircular groove of the utility pole positioning frame 4, the stability of the insulating cover is increased, and the operation safety is improved.
The side surface, provided with the telegraph pole positioning frame 4, of the insulating shielding cover body 1 is also provided with a jack 5, the jack 5 is fixedly connected to the insulating shielding cover body 1 and connected with the telegraph pole positioning frame 4, and the edge of the jack 5 is flush with the telegraph pole positioning frame 4.
Preferably, the section of the jack 5 is in an L shape, and comprises a top plate and a side plate which are vertically connected; the width of the top plate is short, the top plate is arranged on the top surface of the insulating shielding cover body 1 in a covering mode, the width of the side plate is long, the side plate is arranged on the side surface of the insulating shielding cover body 1 in a covering mode, the side plate is flush with the telegraph pole positioning frame 4 and connected with the telegraph pole positioning frame, and therefore operators can conveniently and safely take down the shielding cover.
Further, as shown in fig. 3, the side plate of the insertion hole 5 is of a hollow structure, two hollow insulating tubes 6 are arranged inside the insertion hole, the outer diameter of each insulating tube 6 is 20mm, the inner diameter of each insulating tube 6 is 12mm, and the distance between the two insulating tubes 6 is 115mm, so that an operator can insert operating rods with the distance of 115mm into the two insulating tubes 6 respectively, and the shielding cover can be jacked up and taken down more stably by using the operating rods.
As shown in fig. 1 and 4, a plurality of arrester support holes 7 matched with the arrester on the transition cross arm penetrate through the bottom of the second side surface of the insulating shielding cover body 1 along the horizontal direction, and the arrester support holes 7 can clamp the arrester to provide shielding and structural protection for the arrester. Wherein the second side face is arranged opposite to the first side face. The opening width of the lightning arrester supporting hole 7 is 65mm, and the height of the lightning arrester supporting hole is 130 mm; meanwhile, a certain space gap is kept between the lightning arrester support hole 7 and the grounding part, so that the insulating shielding cover is prevented from shaking, and the safety of operating personnel is guaranteed. Preferably, the arrester support hole 7 is in an inverted "U" shape.
Preferably, the insulating shielding cover body (1), the baffle (2), the telegraph pole positioning frame (4) and the jack (5) are all made of engineering plastics.
In summary, compared with the existing insulating shielding cover, the transition cross arm insulating shielding cover for the lightning arrester provided by the invention has the advantages of simple installation and removal steps, installation time saving, safe operation ensuring and the like, and particularly, the transition cross arm insulating shielding cover for the lightning arrester embodies the advantages of an integrated insulating shielding cover under the condition that a cable terminal lead is electrified.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (9)
1. A transition cross arm insulating shield for a lightning arrester comprising: an insulating shielding cover body (1), a baffle plate (2), a telegraph pole positioning frame (4) and a jack (5), which is characterized in that,
the insulating shielding cover body (1) is of a hollow structure;
the baffle (2) is vertically arranged at the top of the insulating shielding cover body (1) and is used for isolating the wires of each phase;
the telegraph pole positioning frame (4) penetrates through the junction between the top surface and the first side surface of the insulating shielding cover body (1) and is used for fixing a telegraph pole;
the jack (5) is fixedly arranged on the first side surface of the insulating shielding cover body (1) provided with the telegraph pole positioning frame (4), is connected with the telegraph pole positioning frame (4) and is used for jacking up and taking down the shielding cover.
2. The transition cross arm insulation shield for lightning arrester according to claim 1, characterized in that the top of the insulation shield body (1) is provided with a plurality of baffle slots (3), the baffle slots are matched with the baffles (2), one baffle slot (3) corresponds to one baffle (2), and the bottom of the baffle (2) is embedded in the baffle slot (3).
3. The transitional cross arm insulating shield for a surge arrester of claim 2 wherein the baffle slots include a first baffle slot (31), a second baffle slot (32), and a third baffle slot (33), and each phase conductor is isolated by snapping a baffle (2) into each of the three baffle slots (3).
4. The transition cross arm insulation shield for lightning arrester of claim 1 characterized in that the top of the pole positioning frame (4) is provided with a semicircular groove, the inner profile of which matches the inner profile of the pole.
5. The transitional cross arm insulation shield for a lightning arrester of claim 3, characterized in that the pole positioning frame (4) spans between the second baffle clamping groove (32) and the third baffle clamping groove (33), the width of the pole positioning frame (4) exceeds the side edge of the insulation shield body (1), and the height of the pole positioning frame (4) exceeds the top edge of the insulation shield body (1).
6. The transition cross arm insulation cover for lightning arrester according to claim 1, characterized in that the cross section of the jack (5) is "L" shape, and comprises a top plate and a side plate which are vertically connected, wherein the top plate is covered and arranged on the top of the insulation cover body (1), and the side plate is covered and arranged on the first side of the insulation cover body (1) and is connected with the telegraph pole positioning frame (4) in a flush manner.
7. The transition cross arm insulation shield for lightning arrester according to claim 1, characterized in that the side plate of the insertion hole (5) is a hollow structure, inside which several hollow insulation tubes (6) are arranged for insertion of an operating rod to move the insulation shield.
8. The transition cross arm insulation shield cover for the lightning arrester according to claim 1, characterized in that a plurality of lightning arrester support holes (7) matched with the lightning arrester on the transition cross arm penetrate through the bottom of the second side surface of the insulation shield cover body (1) along the horizontal direction to provide shielding and structural protection for the lightning arrester; wherein the first side surface is disposed opposite to the second side surface.
9. The transition cross arm insulation shield for lightning arrester according to claim 1, characterized in that the insulation shield body (1), the baffle (2), the pole positioning frame (4) and the jack (5) are all made of engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210122003.7A CN114284941A (en) | 2022-02-09 | 2022-02-09 | Transition cross arm insulation shielding cover for lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210122003.7A CN114284941A (en) | 2022-02-09 | 2022-02-09 | Transition cross arm insulation shielding cover for lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114284941A true CN114284941A (en) | 2022-04-05 |
Family
ID=80881905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210122003.7A Pending CN114284941A (en) | 2022-02-09 | 2022-02-09 | Transition cross arm insulation shielding cover for lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114284941A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114744548A (en) * | 2022-05-14 | 2022-07-12 | 国网山东省电力公司烟台供电公司 | Insulating shielding cover for live replacement of strain insulator of vertical arrangement line of power distribution cement pole and mounting method thereof |
-
2022
- 2022-02-09 CN CN202210122003.7A patent/CN114284941A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114744548A (en) * | 2022-05-14 | 2022-07-12 | 国网山东省电力公司烟台供电公司 | Insulating shielding cover for live replacement of strain insulator of vertical arrangement line of power distribution cement pole and mounting method thereof |
| CN114744548B (en) * | 2022-05-14 | 2024-03-01 | 国网山东省电力公司烟台供电公司 | Insulating shielding cover for live replacement of tension insulator of power distribution cement pole vertical arrangement line and installation method of insulating shielding cover |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114284941A (en) | Transition cross arm insulation shielding cover for lightning arrester | |
| CN211086495U (en) | Cable insulation test device | |
| CN217063063U (en) | Transition cross arm insulation shielding cover for lightning arrester | |
| CN219304457U (en) | High-voltage cable line integrated grounding box | |
| CN111478131A (en) | Bus duct unit connector and bus duct | |
| CN109779373B (en) | Cable terminal rod for breaking one circuit in double-circuit same-rod parallel-rack transmission line | |
| CN109616964B (en) | Plug-and-play adjustable cable support for transformer incoming line | |
| CN109473245B (en) | 20kV pillar type arrester | |
| CN217332532U (en) | Multifunctional wiring device for live-line test of lightning arrester | |
| KR20110098189A (en) | The cylindrical type earth plate established under the bottom of the cement pole | |
| CN212542737U (en) | Ground hanging and dismounting device for grounding wire of primary equipment of transformer substation | |
| CN214463110U (en) | Insulating cross arm for power grid | |
| CN218940318U (en) | Power distribution network lightning arrester convenient to maintain | |
| CN212875235U (en) | Pole-mounted transformer | |
| CN215527957U (en) | Grounding device for overhead insulated conductor | |
| CN221305241U (en) | Grounding lightning rod for power transmission line | |
| CN210297539U (en) | High-voltage wire outlet device of high-frequency power module of megawatt direct current conversion system | |
| CN216121674U (en) | T connects case | |
| CN217590185U (en) | Gantry structure of single-loop overhead outbound cable | |
| CN212935345U (en) | Insulating distribution transformer area system | |
| CN219779728U (en) | Low-voltage composite insulating cross arm laid along wall | |
| CN217931899U (en) | Electrical performance testing device for insulating electrical casing | |
| CN209929502U (en) | Grounding device for machine room equipment | |
| CN214203423U (en) | Oil-immersed transformer and cable connection structure | |
| CN218386206U (en) | Switch board with function is hit in lightning protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |