CN219959921U - Bypass down-lead cable insulation isolation device - Google Patents
Bypass down-lead cable insulation isolation device Download PDFInfo
- Publication number
- CN219959921U CN219959921U CN202320438859.5U CN202320438859U CN219959921U CN 219959921 U CN219959921 U CN 219959921U CN 202320438859 U CN202320438859 U CN 202320438859U CN 219959921 U CN219959921 U CN 219959921U
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- cable
- wire clamp
- seat
- mounting
- isolation frame
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- 238000002955 isolation Methods 0.000 title claims abstract description 57
- 238000009413 insulation Methods 0.000 title claims abstract description 34
- 238000009434 installation Methods 0.000 claims abstract description 27
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
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Abstract
The utility model discloses a bypass down-lead cable insulation isolation device, which comprises a cable fixer and an insulation isolation frame; the insulating isolation frame is of a semi-barrel structure, and an installation block is arranged on the inner side of the insulating isolation frame; the central part of the cable fixer is used for fixing the cable; the outer side of the cable fixer is provided with a mounting seat matched with the mounting block; the cable fixer is arranged on the inner side of the insulating isolation frame through the mounting seat; after the bypass down-lead cable is fixed through the cable fixer, the down-lead cable is matched with the installation block on the insulating isolation frame through the installation seat on the cable fixer, so that the down-lead cable is isolated from the middle phase lead and the lower phase lead under the action of the insulating isolation frame, the outer sheath of the down-lead cable is prevented from being broken down, the situation of ground short circuit occurs, the cable fixer and the insulating isolation frame are convenient to install, the installation time is reduced, and the safety operation is more facilitated.
Description
Technical Field
The utility model relates to the technical field of live working tools, in particular to an insulating and isolating device for a bypass down-lead cable.
Background
In the circuit transmission process, for a vertically arranged circuit or a rod double-circuit, a down-lead cable connected with the uppermost lead in a live working mode is very easy to touch with the middle-phase lead and the lower-phase lead. Wherein, there is the metal shielding layer in the bypass down cable structure, and the metal shielding layer has only one outer sheath. The metal shielding layer is completely grounded in the bypass operation process, so that when the bypass down-lead cable directly contacts the wire, if the wire is a bare wire or has insulation damage, the condition that the outer sheath of the bypass down-lead cable breaks down to form a short circuit to ground is easy to occur.
Currently, the existing protection measure is to solve this problem by insulating all loops during field operation. But all loops are insulated and coated through field operation, so that the process is complicated, the distance between operators and live wires is short, and potential safety hazards exist in the operation process.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the bypass down-lead cable insulation isolation device effectively isolates the down-lead cable from the middle-phase lead and the lower-phase lead, and avoids the situation of ground short circuit.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a bypass down-lead cable insulation isolation device comprises a cable fixer and an insulation isolation frame;
the insulating isolation frame is of a semi-barrel structure, and an installation block is arranged on the inner side of the insulating isolation frame;
the central part of the cable fixer is used for fixing the cable;
the outer side of the cable fixer is provided with a mounting seat matched with the mounting block;
the cable fixer is arranged on the inner side of the insulating isolation frame through the mounting seat.
Further, the cable holder includes a fixed wire clamp cover and a fixed wire clamp seat;
the fixed wire clamp cover is embedded with the fixed wire clamp seat, and the embedded position is used for fixing a cable;
the mounting seat is arranged on one side, far away from the fixed wire clamp cover, of the fixed wire clamp seat.
Further, one side surface of the fixed wire clamp cover, which is close to the fixed wire clamp seat, is concave;
the side surface of the fixed wire clamp seat, which is close to the fixed wire clamp cover, is concave.
Further, the fixed wire clamp cover is shaped like a Chinese character 'Fu';
one end of the fixing wire clamp seat, which is concave, is arranged in the concave part of the fixing wire clamp cover.
Further, the cable holder further comprises a bolt;
bolt channels are formed at two ends of the fixed wire clamp cover;
the two ends of the fixed wire clamp seat, which correspond to the fixed wire clamp cover, are provided with bolt holes;
the bolt passes through the bolt hole and the bolt channel.
Further, the cable fixing device also comprises an insulating soft rope and at least two cable fixing devices;
soft rope holes are respectively formed in two sides of one end, far away from the mounting seat, of the cable fixer;
the rope holes on two sides are in mirror symmetry with respect to the cable holder;
two ends of the insulation soft rope are respectively connected with one cable fixer;
at least two groups of mounting blocks are arranged on the inner side of the insulating isolation frame.
Further, the insulating isolation frame further comprises a mounting shaft;
the mounting shaft is arranged on one side of the mounting block;
and a mounting hole matched with the mounting shaft is formed in the mounting seat.
The utility model has the beneficial effects that: after the bypass down-lead cable is fixed through the cable fixer, the bypass down-lead cable is installed through the cooperation of the installation seat on the cable fixer and the installation block on the insulating isolation frame, so that the bypass down-lead cable is arranged on the inner side of the insulating isolation frame, and the middle phase lead and the lower phase lead are arranged on the outer side of the insulating isolation frame, thereby under the action of the insulating isolation frame, the down-lead cable is isolated from the middle phase lead and the lower phase lead, the outer sheath of the down-lead cable is prevented from being broken down, the situation of ground short circuit occurs, the cable fixer and the insulating isolation frame are convenient to install, the installation time is shortened, and the safety operation is more facilitated.
Drawings
FIG. 1 is a schematic diagram of a bypass down-cable insulation isolation device according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a cable holder of a bypass down-cable insulation isolation device according to an embodiment of the present utility model;
FIG. 3 is a schematic view of an insulation frame of an insulation device for a bypass down-cable according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram illustrating an application of a bypass down-cable insulation isolation device according to an embodiment of the present utility model;
description of the reference numerals:
1. a cable holder; 11. a mounting base; 111. a mounting hole; 12. a fixed wire clamp cover; 121. a bolt passage; 122. a soft rope hole; 13. a wire clamp seat is fixed; 131. bolt holes; 14. a bolt; 2. an insulating isolation frame; 21. a mounting block; 211. a mounting shaft; 3. an insulating soft rope; 4. a drainage line; 5. and a drainage wire clamp.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1, an insulation isolation device for a bypass down-lead cable includes a cable holder and an insulation isolation frame;
the insulating isolation frame is of a semi-barrel structure, and an installation block is arranged on the inner side of the insulating isolation frame;
the central part of the cable fixer is used for fixing the cable;
the outer side of the cable fixer is provided with a mounting seat matched with the mounting block;
the cable fixer is arranged on the inner side of the insulating isolation frame through the mounting seat.
From the above description, the beneficial effects of the utility model are as follows: after the bypass down-lead cable is fixed through the cable fixer, the bypass down-lead cable is installed through the cooperation of the installation seat on the cable fixer and the installation block on the insulating isolation frame, so that the bypass down-lead cable is arranged on the inner side of the insulating isolation frame, and the middle phase lead and the lower phase lead are arranged on the outer side of the insulating isolation frame, thereby under the action of the insulating isolation frame, the down-lead cable is isolated from the middle phase lead and the lower phase lead, the outer sheath of the down-lead cable is prevented from being broken down, the situation of ground short circuit occurs, the cable fixer and the insulating isolation frame are convenient to install, the installation time is shortened, and the safety operation is more facilitated.
Further, the cable holder includes a fixed wire clamp cover and a fixed wire clamp seat;
the fixed wire clamp cover is embedded with the fixed wire clamp seat, and the embedded position is used for fixing a cable;
the mounting seat is arranged on one side, far away from the fixed wire clamp cover, of the fixed wire clamp seat.
According to the description, the down-lead cable is held by the fixed cable clamp cover and the fixed cable clamp seat, so that the cable fixer can be stably arranged on the down-lead cable to be protected, the cable fixer is prevented from moving on the down-lead cable and even falling off, and the protection effect on the down-lead cable can be effectively achieved.
Further, one side surface of the fixed wire clamp cover, which is close to the fixed wire clamp seat, is concave;
the side surface of the fixed wire clamp seat, which is close to the fixed wire clamp cover, is concave.
It can be seen from the above description that by setting the fixing wire clamp cover to be concave toward one side of the down-lead cable and setting the fixing wire clamp base to be concave toward one side of the down-lead cable, the contact area between the fixing wire clamp cover and the fixing wire clamp base and the down-lead cable is increased, the stability of the cable fixer is improved, and the occurrence of the situation that the cable fixer moves or even falls off on the down-lead cable is prevented.
Further, the fixed wire clamp cover is shaped like a Chinese character 'Fu';
one end of the fixing wire clamp seat, which is concave, is arranged in the concave part of the fixing wire clamp cover.
It can be seen from the above description that the fixing wire clamp cover is shaped like a Chinese character 'Fu', and the end of the fixing wire clamp seat, which is concave, is arranged in the concave part of the fixing wire clamp cover, so that the combination area between the fixing wire clamp cover and the fixing wire clamp seat is increased, and the combination stability between the fixing wire clamp cover and the fixing wire clamp seat is improved.
Further, the cable holder further comprises a bolt;
bolt channels are formed at two ends of the fixed wire clamp cover;
the two ends of the fixed wire clamp seat, which correspond to the fixed wire clamp cover, are provided with bolt holes;
the bolt passes through the bolt hole and the bolt channel.
From the above description, bolt channels are formed at two ends of the fixed wire clamp cover and bolt holes are formed at two ends of the fixed wire clamp seat, so that the fixed wire clamp cover and the fixed wire clamp seat can be fixedly connected through bolts, and the stability between the fixed wire clamp cover and the fixed wire clamp seat is greatly improved.
Further, the cable fixing device also comprises an insulating soft rope and at least two cable fixing devices;
soft rope holes are respectively formed in two sides of one end, far away from the mounting seat, of the cable fixer;
the rope holes on two sides are in mirror symmetry with respect to the cable holder;
two ends of the insulation soft rope are respectively connected with one cable fixer;
at least two groups of mounting blocks are arranged on the inner side of the insulating isolation frame.
From the above description, it is apparent that by providing the insulation rope between the two cable holders, it is possible to quickly determine the distance between the two cable holders according to whether the insulation rope is straightened when the two cable holders are installed, and it is unnecessary to additionally adjust the distance between the cable holders when the insulation spacer is fixed, thereby reducing installation time and improving installation efficiency of the device.
Further, the insulating isolation frame further comprises a mounting shaft;
the mounting shaft is arranged on one side of the mounting block;
and a mounting hole matched with the mounting shaft is formed in the mounting seat.
According to the cable fixing device, the installation shaft is arranged on one side of the installation block, the installation hole is formed in the installation seat, the cable fixing device and the insulating isolation frame can be quickly combined or detached through the insertion fit between the installation shaft and the installation hole, the difficulty in installation and detachment of the insulating isolation frame is reduced, and accordingly the insulating isolation frame can be quickly replaced when damaged.
The above-mentioned insulating isolating device of bypass cable down can be applicable to cable transmission application scenario, through set up the insulating isolating device of cable on the bypass cable down, play the guard action to cable and transmission line, the following explanation through concrete implementation:
example 1
Referring to fig. 1-3, a bypass down-lead cable insulation isolation device includes a cable holder 1 and an insulation isolation frame 2;
the insulating isolation frame 2 is of a semi-barrel structure, and an installation block 21 is arranged on the inner side of the insulating isolation frame 2; the central part of the cable holder 1 is used for fixing cables; the outer side of the cable fixer 1 is provided with a mounting seat 11 matched with the mounting block 21; the cable fixer 1 is arranged on the inner side of the insulating isolation frame 2 through the mounting seat 11; wherein, the cable fixer 1 and the insulating isolation frame 2 are both made of insulating materials.
Referring to fig. 2, the cable holder 1 includes a fixing clip cover 12 and a fixing clip seat 13; the fixed wire clamp cover 12 is embedded with the fixed wire clamp seat 13, and the embedded position is used for fixing a cable; in an alternative embodiment, a side of the fixed wire clamp cover 12, which is close to the fixed wire clamp seat 13, is concave, and a side of the fixed wire clamp seat 13, which is close to the fixed wire clamp cover 12, is concave; the fixed wire clamp cover 12 is shaped like a Chinese character 'Fu', one end of the fixed wire clamp seat 13 which is concave is arranged in the concave part of the fixed wire clamp cover 12, and two groups of concave surfaces are attached to the side surfaces of the cable, so that the cable fixer 1 can effectively fasten the cable; the mounting seat 11 is disposed on a side of the fixing clip seat 13 away from the fixing clip cover 12, and in an alternative embodiment, the mounting seat 11 is integrally formed with the fixing clip.
In an alternative embodiment, the cable holder 1 further comprises a bolt 14; the two ends of the fixed wire clamp cover 12 are provided with bolt 14 channels 121; the two ends of the fixed wire clamp seat 13 corresponding to the fixed wire clamp cover 12 are provided with bolt 14 holes 131; the bolt 14 penetrates through the bolt 14 hole 131 and the bolt 14 channel 121, and is engaged by a nut, and the tightness between the fixing wire clamp seat 13 and the fixing wire clamp cover 12 is adjusted by the cooperation between the bolt 14 and the nut, so that the cable fixer 1 can effectively tighten the cable.
In an alternative embodiment, further comprising an insulating cord 3 and at least two of said cable holders 1; two sides of the cable fixer 1, which are far away from one end of the mounting seat 11, are respectively provided with a soft rope hole 122; the soft rope holes 122 on two sides are in mirror symmetry with respect to the cable holder 1, that is, the soft rope holes 122 are arranged on two sides of one cable holder 1 along the cable direction, and two ends of the insulating soft rope 3 are respectively connected with one cable holder 1; at least two mounting blocks 21 are arranged on the inner side of the insulating isolation frame 2 and are matched with the cable fixer 1.
Referring to fig. 3, the insulating spacer 2 further includes a mounting shaft 211; the mounting shaft 211 is provided at one side of the mounting block 21; a mounting hole 111 matched with the mounting shaft 211 is formed in the mounting seat 11; the mounting shaft 211 is matched with the mounting hole 111 in size; in an alternative embodiment, the mounting shaft 211 is a cylinder as a whole, and the mounting hole 111 is a circular hole; also, the number of the mounting blocks 21 on the insulating spacer 2 may be set according to a specific application scenario, for example, one, two or three mounting blocks 21 are provided.
In an alternative embodiment, taking two cable holders as examples, the bypass down-cable insulation isolation device is used with a drainage wire clip, and the specific use method is as follows:
s1, selecting a proper installation position on a drainage wire 4, unscrewing the bolt 14, and tightly packing the drainage wire 4 at the installation position through the fixed wire clamp cover 12 and the fixed wire clamp seat 13; tightening the bolts 14 again to fasten a set of the cable holders 1 to the drain wire 4;
s2, unscrewing the bolts 14 of the other group of cable holders 1, and tightly packing the drainage wire 4 at the installation position through the fixed wire clamp cover 12 and the fixed wire clamp seat 13; the bolt 14 is slightly screwed, and the fixed wire clamp cover 12, the drainage wire 4, the fixed wire clamp seat 13 and the mounting seat 11 are slightly fixed;
s3, moving the other group of cable fixtures 1 on the drainage wire 4 in a direction away from the fixed cable fixtures 1, and tightening the bolts 14 after the insulating soft ropes 3 are straightened to fasten the other group of cable fixtures 1 on the drainage wire 4;
s4, inserting the two mounting shafts 211 on the insulating isolation frame 2 into the mounting holes 111 on the two mounting seats 11 respectively;
s5, installing the drainage wire 4 on the drainage wire clamp 5;
s6, installing the drainage wire clamp 5 on the overhead conductor by using a tool; please refer to fig. 4, which is a schematic diagram of the installation completion.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (7)
1. The bypass down-lead cable insulation isolation device is characterized by comprising a cable fixer and an insulation isolation frame;
the insulating isolation frame is of a semi-barrel structure, and an installation block is arranged on the inner side of the insulating isolation frame;
the central part of the cable fixer is used for fixing the cable;
the outer side of the cable fixer is provided with a mounting seat matched with the mounting block;
the cable fixer is arranged on the inner side of the insulating isolation frame through the mounting seat.
2. The bypass drop cable insulation spacer of claim 1, wherein the cable retainer includes a retaining clip cover and a retaining clip seat;
the fixed wire clamp cover is embedded with the fixed wire clamp seat, and the embedded position is used for fixing a cable;
the mounting seat is arranged on one side, far away from the fixed wire clamp cover, of the fixed wire clamp seat.
3. The bypass drop cable insulation spacer of claim 2, wherein a side of the stationary wire clamp cover adjacent the stationary wire clamp seat is concave;
the side surface of the fixed wire clamp seat, which is close to the fixed wire clamp cover, is concave.
4. A bypass drop cable insulation spacer as in claim 3, wherein said stationary wire dress cover is "concave" like;
one end of the fixing wire clamp seat, which is concave, is arranged in the concave part of the fixing wire clamp cover.
5. The bypass drop cable insulation spacer of claim 2, wherein the cable holder further comprises a bolt;
bolt channels are formed at two ends of the fixed wire clamp cover;
the two ends of the fixed wire clamp seat, which correspond to the fixed wire clamp cover, are provided with bolt holes;
the bolt passes through the bolt hole and the bolt channel.
6. The bypass drop cable insulation spacer of claim 1, further comprising an insulation cord and at least two of said cable retainers;
soft rope holes are respectively formed in two sides of one end, far away from the mounting seat, of the cable fixer;
the rope holes on two sides are in mirror symmetry with respect to the cable holder;
two ends of the insulation soft rope are respectively connected with one cable fixer;
at least two groups of mounting blocks are arranged on the inner side of the insulating isolation frame.
7. The bypass drop cable insulation spacer of claim 1, wherein the insulation spacer further comprises a mounting shaft;
the mounting shaft is arranged on one side of the mounting block;
and a mounting hole matched with the mounting shaft is formed in the mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320438859.5U CN219959921U (en) | 2023-03-09 | 2023-03-09 | Bypass down-lead cable insulation isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320438859.5U CN219959921U (en) | 2023-03-09 | 2023-03-09 | Bypass down-lead cable insulation isolation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219959921U true CN219959921U (en) | 2023-11-03 |
Family
ID=88556321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320438859.5U Active CN219959921U (en) | 2023-03-09 | 2023-03-09 | Bypass down-lead cable insulation isolation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219959921U (en) |
-
2023
- 2023-03-09 CN CN202320438859.5U patent/CN219959921U/en active Active
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| GR01 | Patent grant | ||
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