CN214506347U - Pre-fixing device for live-wire lapping branch line lead wire - Google Patents
Pre-fixing device for live-wire lapping branch line lead wire Download PDFInfo
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- CN214506347U CN214506347U CN202120590772.0U CN202120590772U CN214506347U CN 214506347 U CN214506347 U CN 214506347U CN 202120590772 U CN202120590772 U CN 202120590772U CN 214506347 U CN214506347 U CN 214506347U
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Abstract
The utility model relates to the field of electrical engineering, in particular to a pre-fixing device for a live lapping branch circuit lead wire, which comprises a fixing frame and a folding frame; one side wall of the fixing frame is provided with a holding part; the three groups of folding frames are arranged on the other side wall of the fixed frame, which is opposite to one side wall of the fixed frame, at intervals along a first direction, and any two groups of folding frames are parallel to each other; the other end of the folding frame is provided with a lead clamping part. The utility model provides an electrified overlap joint branch circuit meets lead wire with fixing device mounted position in advance is adjustable wantonly, can realize the lead wire installation of co-altitude not, and the electrified overlap joint lead wire work of arbitrary cement pole type all can be suitable for, adopts split modular design, and convenient quick installation improves the operating efficiency, also can avoid the lead wire swing to cause alternate short circuit in addition to and electrostatic induction is to operation personnel's injury hidden danger, has greatly improved the operation security.
Description
Technical Field
The utility model relates to an electrical engineering field especially relates to a electrified overlap joint feeder pillar connects lead wire with fixing device in advance.
Background
The electrified lapped branch lead is one of the most applied items of 10 KV distribution network overhead lines, the lead needs to be installed on the side of a wire outlet terminal of an isolating switch (a drop-out fuse) in advance before the electrified lapped branch lead, and in order to ensure the operation safety, the installed lead to be wired is generally required to be coiled and fixed by a binding wire, so that the phenomenon that the adjacent leads swing to cause interphase short circuit in the lapping process of the leads is prevented. Because the overlap joint lead wire after, the lead wire is in charged state, at this moment, according to traditional operation mode, when the overlap joint has accomplished a looks lead wire, go to get other looks and wait to connect the lead wire again, can lead to waiting to connect the lead wire mistake to bump charged lead wire because of operation personnel action range is too big or because of lead wire self stress, cause personnel to electrocute the injury, have the potential safety hazard. Due to the electrostatic induction phenomenon, the lapped live lead wire can also generate induced electricity on the lead wire to be connected, so that the operation safety of operators is threatened. The Chinese patent with application number CN202010796303.4 discloses a drop-out fuse lead fixing device which is fixed on a cross arm through a supporting device, and the device can easily fix a lead, so that the condition that the lead is detached from the hand due to the fact that a traditional operator fixes the lead by hand to carry out insulation shielding is avoided, the lead is easily controlled to move to a position which meets the safety distance, and the condition that the lead is detached from the hand in the moving process can be avoided. The invention discloses a lead fixing device for distribution network uninterrupted operation, which solves the problems that part of line equipment has short safety distance to the ground, leads are difficult to fix after an isolation switch, a drop-out fuse and other equipment are disassembled in live-line operation after the upper and lower leads are arranged, or an insulating lock rod is manually held for fixing, other leads or a grounding body can be contacted, and a large safety risk exists in the operation process. The above two types and the conventional lead fixing devices are not universal, and are generally only suitable for live-wire work projects under certain specific conditions, the research on special fixing devices for leads to be lapped on branch lines in search results is less, and the device for fixing the leads in the search results is not suitable for fixing the leads of the branch lines. And because distribution lines erect the mode and possess the variety usually, compare with transmission line, it is comparatively nonstandard, therefore according to the invention that discloses, generally only be applicable to the lead wire fixed operation under the condition of certain specific pole type structure, even be the operation project of the same type, do not be applicable on different structure shaft towers.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem of providing a wide-range pre-fixing device for the live lapping branch line lead wire.
In order to solve the technical problem, the utility model discloses a technical scheme be: a pre-fixing device for a lead wire of a live lapping branch circuit comprises a fixing frame and a folding frame;
one side wall of the fixing frame is provided with a holding part;
the three groups of folding frames are arranged on the other side wall of the fixed frame, which is opposite to one side wall of the fixed frame, at intervals along a first direction, and any two groups of folding frames are parallel to each other;
the other end of the folding frame is provided with a lead clamping part.
In an alternative embodiment, the distance between any two adjacent groups of the folding frames ranges from 300mm to 500 mm.
In an alternative embodiment, the spacing between any two adjacent sets of folding legs is 400 mm.
In an optional embodiment, the fixing frame comprises an insulating cross arm and a hoop, the clasping portion is arranged on the hoop, the hoop is arranged on one side wall of the insulating cross arm, and the folding frame is arranged on the other side wall of the insulating cross arm opposite to the one side wall of the insulating cross arm.
In an alternative embodiment, the cross section of the insulating cross arm is L-shaped, and the insulating cross arm is provided with a lock hole.
In an alternative embodiment, the anchor ear is U-shaped.
In an optional embodiment, the folding frame comprises a connecting plate, one end of the connecting plate is hinged to the fixing frame, and the lead clamping part is arranged at the other end of the connecting plate.
In an optional embodiment, the fixing frame is provided with a supporting portion for supporting the connecting plate.
In an optional embodiment, the folding leg further comprises a lead supporting rod, the lead supporting rod is provided with a lead clamp, the lead supporting rod is provided with a row of holes, and the mounting holes of the fixing frame are connected with the row of holes through bolts.
In an alternative embodiment, the lead support post is a hollow insulating tube.
The beneficial effects of the utility model reside in that: the utility model provides a live lapping branch circuit meets lead wire with fixing device in advance, including mount and folding leg, during the use, utilize the portion of hugging closely of mount to hold the pole, the lead wire clamping part of three folding legs of group corresponds respectively with three-phase lead wire overlap joint fixed, so not only the mounted position is adjustable wantonly, can realize the lead wire installation of co-altitude, the live lapping lead wire work of arbitrary cement pole type all can be suitable for, adopt split modular design, convenient quick installation, the operating efficiency is improved, also can avoid the lead wire swing to cause alternate short circuit in addition, and electrostatic induction is to operation personnel's injury hidden danger, the operation security has greatly been improved.
Drawings
Fig. 1 is a schematic structural view of a pre-fixing device for a live-wire lap joint branch line lead according to an embodiment of the present invention;
description of reference numerals:
1. a fixed mount; 11. A clasping part; 12. An insulating cross arm; 13. Hooping;
2. a folding frame; 21. A lead clamping portion; 22. Connecting plates; 23. A lead support rod; 24. And (4) lead clamp.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, the pre-fixing device for the live-wire lapping branch line lead wire of the present invention includes a fixing frame and a folding frame;
one side wall of the fixing frame is provided with a holding part;
the three groups of folding frames are arranged on the other side wall of the fixed frame, which is opposite to one side wall of the fixed frame, at intervals along a first direction, and any two groups of folding frames are parallel to each other;
the other end of the folding frame is provided with a lead clamping part.
From the above description, the beneficial effects of the present invention are: the utility model provides a live lapping branch circuit meets lead wire with fixing device in advance, including mount and folding leg, during the use, utilize the portion of hugging closely of mount to hold the pole, the lead wire clamping part of three folding legs of group corresponds respectively with three-phase lead wire overlap joint fixed, so not only the mounted position is adjustable wantonly, can realize the lead wire installation of co-altitude, the live lapping lead wire work of arbitrary cement pole type all can be suitable for, adopt split modular design, convenient quick installation, the operating efficiency is improved, also can avoid the lead wire swing to cause alternate short circuit in addition, and electrostatic induction is to operation personnel's injury hidden danger, the operation security has greatly been improved.
Furthermore, the distance between any two adjacent groups of folding frames ranges from 300mm to 500 mm.
Further, the distance between any two adjacent groups of folding frames is 400 mm.
From the above description, it can be seen that the above design is adopted to maintain the distance between the leads to be lapped, and improve the safety.
Furthermore, the mount includes insulating cross arm and staple bolt, hold the portion setting tightly on the staple bolt, the staple bolt sets up insulating cross arm a lateral wall, the folding leg setting is in insulating cross arm for another lateral wall of insulating cross arm a lateral wall.
Furthermore, the cross section of the insulating cross arm is L-shaped, and the insulating cross arm is provided with a lock hole.
From the above description, the insulating cross arm is quickly installed through the locking hole.
Further, the hoop is U-shaped.
From the above description, the U-shaped hoop is fixed at the position of the concrete pole, where the concrete pole needs to be installed, and the U-shaped hoop adjusts the caliber size through the bolt, so that the adjustment range of the U-shaped hoop meets the requirement of any pole diameter of the existing electric pole for the overhead line of the distribution network.
Furthermore, the folding leg includes even board, even one end of board with the mount is articulated, the lead wire clamping part sets up even the other end of board.
Furthermore, the fixing frame is provided with a supporting part for supporting the connecting plate.
As can be seen from the above description, the support portion functions as a limit support.
Further, the folding leg still includes lead wire branch, lead wire branch is equipped with the lead wire clamp, lead wire branch is equipped with the round pin hole, the mounting hole of mount with the round pin connection is passed through to the round pin hole.
As can be seen from the above description, the lead support rod is adjusted in the mounting position on the fixing frame through the row holes, and the lead is clamped and fixed by the lead clamp.
Furthermore, the lead support rod is a hollow insulating tube.
The utility model provides an electrified overlap joint branch circuit meets lead wire with fixing device's theory of operation in advance does: before the operation of overlap joint lead wire, step on pole operating personnel earlier at the insulating cross arm of pole suitable position installation, install insulating cross arm on cement pole suitable position through U type staple bolt, insulating cross arm is fixed the back, at the fixed branch of even board hole inslot installation to according to treating the height-adjusting branch of overlap joint lead wire, will treat that to connect the lead wire to fix on a pole clamp, during the overlap joint lead wire, personnel on the pole utilize insulating bar to accomplish the overlap joint work of lead wire. Personnel direct contact lead wire is avoided to the three-phase lead wire overlap joint overall process, has avoided the lead wire swing to cause alternate short circuit to and electrostatic induction has greatly improved the operation security to operation personnel's injury hidden danger. Through adjusting U type staple bolt, the device mounted position is adjustable wantonly to and adjust fixed branch and can realize the lead wire installation of co-altitude not, and the electrified overlap joint lead wire work of arbitrary cement pole type all can be suitable for, provides the adaptation type of device, and the device adopts split modular design, and convenient quick installation improves the operating efficiency when the operation security.
Referring to fig. 1, a first embodiment of the present invention is: a pre-fixing device for a lead wire of a live lapping branch circuit comprises a fixing frame 1 and a folding frame 2;
one side wall of the fixed frame 1 is provided with a holding part 11, and a holding surface of the holding part 11 is an annular surface;
the three groups of folding frames 2 are arranged on the other side wall of the fixed frame 1 opposite to one side wall of the fixed frame 1 at intervals along a first direction, and any two groups of folding frames 2 are parallel to each other;
the other end of the folding leg 2 is provided with a lead clamping part 21.
The distance between any two adjacent groups of folding legs 2 is 400 mm. The fixing frame 1 comprises an insulating cross arm 12 and a hoop 13, the holding part 11 is arranged on the hoop 13, the hoop 13 is arranged on one side wall of the insulating cross arm 12, and the folding frame 2 is arranged on the other side wall of the insulating cross arm 12, which is opposite to the one side wall of the insulating cross arm 12. The cross-sectional shape of insulating cross arm 12 is L shape, insulating cross arm 12 is equipped with the lockhole. The hoop 13 is U-shaped. The folding frame 2 comprises a connecting plate 22, one end of the connecting plate 22 is hinged to the fixing frame 1, and the lead clamping part 21 is arranged at the other end of the connecting plate 22. The connecting plate 22 is a strip-shaped plate. The fixing frame 1 is provided with a supporting part for supporting the connecting plate 22. The support portion is a boss for supporting the link plate 22. The folding frame 2 further comprises a lead supporting rod 23, the lead supporting rod 23 is provided with lead clamping pincers 24, the lead supporting rod 23 is provided with a row of holes, and the mounting holes of the fixing frame 1 are connected with the row of holes through bolts. The lead support rod 23 is a hollow insulating tube.
To sum up, the utility model provides a electrified overlap joint feeder line meets lead wire with fixing device in advance, including mount and folding leg, during the use, utilize the portion of holding tightly of mount to hold the pole tightly, the lead wire clamping part of three folding legs of group corresponds respectively with three-phase lead wire overlap joint fixed, so not only the mounted position is adjustable wantonly, can realize the lead wire installation of co-altitude, the electrified overlap joint lead wire work of arbitrary cement pole type all can be suitable for, adopt the design of split module formula, convenient quick installation improves the operating efficiency, also can avoid the lead wire swing to cause alternate short circuit in addition to and electrostatic induction is to operation personnel's injury hidden danger, has greatly improved the operation security. Adopt above-mentioned design to be used for keeping waiting to overlap joint the alternate distance of lead wire, improve the security. The insulating cross arm is installed fast through the lockhole. The U-shaped hoop is fixed at the position of a cement pole, which needs to be installed, the size of the caliber of the U-shaped hoop is adjusted through bolts, and the adjusting range of the U-shaped hoop meets the requirement of any pole diameter of an electric pole for the existing distribution network overhead line. The supporting part plays the effect of spacing support. The lead support rod is adjusted in the mounting position on the fixing frame through the row holes, and the lead is clamped and fixed through the lead clamp.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. A pre-fixing device for a live lapping branch line lead wire is characterized by comprising a fixing frame and a folding frame;
one side wall of the fixing frame is provided with a holding part;
the three groups of folding frames are arranged on the other side wall of the fixed frame, which is opposite to one side wall of the fixed frame, at intervals along a first direction, and any two groups of folding frames are parallel to each other;
the other end of the folding frame is provided with a lead clamping part.
2. The pre-fixing device for the live lap branch line terminal lead according to claim 1, wherein the pitch between any two adjacent sets of the folding legs ranges from 300mm to 500 mm.
3. The pre-fixing device for an electrified lapped branch line lead according to claim 1, wherein the distance between any two adjacent groups of the folding legs is 400 mm.
4. The pre-fixing device for the live lap branch line lead according to claim 1, wherein the fixing frame comprises an insulating cross arm and a hoop, the clasping portion is disposed on the hoop, the hoop is disposed on one side wall of the insulating cross arm, and the folding frame is disposed on the other side wall of the insulating cross arm opposite to the one side wall of the insulating cross arm.
5. The pre-fixing device for the live lap branch line lead according to claim 4, wherein the cross-sectional shape of the insulating cross arm is L-shaped, and the insulating cross arm is provided with a lock hole.
6. The pre-fixing device for the live lap branch line lead according to claim 4, wherein said anchor ear is U-shaped.
7. The pre-fixing device for the live lap branch line lead according to claim 1, wherein the folding leg includes a link plate, one end of the link plate is hinged to the fixing frame, and the lead clamping portion is disposed at the other end of the link plate.
8. The pre-fixing device for the live lap branch line lead according to claim 7, wherein a support portion for supporting the link plate is provided on the fixing frame.
9. The pre-fixing device for the live lap branch line lead according to claim 7, wherein the folding leg further comprises a lead support rod, the lead support rod is provided with a lead clamp, the lead support rod is provided with a row of holes, and the mounting holes of the fixing frame are connected with the row of holes through bolts.
10. The pre-fixing device for an electrified lapped branch line lead according to claim 9, wherein the lead support rod is a hollow insulating tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120590772.0U CN214506347U (en) | 2021-03-23 | 2021-03-23 | Pre-fixing device for live-wire lapping branch line lead wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120590772.0U CN214506347U (en) | 2021-03-23 | 2021-03-23 | Pre-fixing device for live-wire lapping branch line lead wire |
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| Publication Number | Publication Date |
|---|---|
| CN214506347U true CN214506347U (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120590772.0U Active CN214506347U (en) | 2021-03-23 | 2021-03-23 | Pre-fixing device for live-wire lapping branch line lead wire |
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| CN (1) | CN214506347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284921A (en) * | 2021-11-09 | 2022-04-05 | 国网浙江省电力有限公司培训中心 | Pole-mounted switch lead fixing support |
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2021
- 2021-03-23 CN CN202120590772.0U patent/CN214506347U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284921A (en) * | 2021-11-09 | 2022-04-05 | 国网浙江省电力有限公司培训中心 | Pole-mounted switch lead fixing support |
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