CN210273316U - Combined insulating ladder - Google Patents
Combined insulating ladder Download PDFInfo
- Publication number
- CN210273316U CN210273316U CN201921640303.4U CN201921640303U CN210273316U CN 210273316 U CN210273316 U CN 210273316U CN 201921640303 U CN201921640303 U CN 201921640303U CN 210273316 U CN210273316 U CN 210273316U
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- Prior art keywords
- ladder
- insulating
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- double
- self
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- 239000012212 insulator Substances 0.000 claims abstract description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000010931 gold Substances 0.000 claims abstract description 3
- 229910052737 gold Inorganic materials 0.000 claims abstract description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 abstract description 12
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 230000005684 electric field Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a combination insulating ladder, including the double-column insulation string ladder and connect the single-column insulation flat ladder on the double-column insulation string ladder perpendicularly, the free end of the single-column insulation flat ladder is connected to on wire or the gold utensil, the single-column insulation flat ladder includes a plurality of insulator levers, and adjacent insulator lever passes through the bolt fastening, the double-column insulation string ladder is hung by a plurality of insulation and is constituteed. The utility model discloses can increase the combination clearance to reach the live working requirement.
Description
Technical Field
The utility model belongs to transmission line live working multiplexer utensil, concretely relates to insulating ladder of combination.
Background
With the rapid development of economy in China, an ultra-high voltage and extra-high voltage power grid becomes a main grid frame of a power transmission line in China, the ultra-high voltage and extra-high voltage line is large in transmission capacity, high in running reliability requirement and less in power failure overhauling chance, and therefore the equipotential live working technology becomes an important technical means for ensuring long-term safe and stable running of the ultra-high voltage and extra-high voltage power grid. And the combined clearance between a few lines and the tower type does not meet the requirement of the electric power safety work regulation, and hot-line work cannot be carried out, so that the power failure time of the power transmission line is greatly prolonged, and the power supply reliability of the power transmission line is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a combination insulating ladder to solve a small number of circuits and tower type combination clearance and unsatisfied the problem that the requirement of "electric power safety work regulation" can't carry out live working, the utility model discloses can increase the combination clearance, in order to reach the live working requirement.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an insulating ladder of combination, includes that the double-column is insulating to hang the ladder and connect the insulating flat ladder of single-column on the double-column is insulating to hang the ladder perpendicularly, the free end of the insulating flat ladder of single-column is connected to on wire or the gold utensil, the insulating flat ladder of single-column includes a plurality of insulator spindles, and adjacent insulator spindle passes through the bolt fastening, the insulating ladder of hanging of double-column is hung by a plurality of insulations and is constituteed.
Furthermore, the top of the double-column insulating hanging ladder is connected with an angle steel fixer, and when the double-column insulating hanging ladder is used, the double-column insulating hanging ladder is fixed on a tower material through the angle steel fixer.
Further, adjacent insulating ladder hanging units are fixed through bolts.
Furthermore, one end of the single-column insulating horizontal ladder is connected with the double-column insulating hanging ladder through the universal joint and a first self-locking hook connected to the universal joint, and the other end of the single-column insulating horizontal ladder is connected to a wire or a fitting through the universal joint and a second self-locking hook connected to the universal joint.
Further, one side of the second self-locking hook connected with the lead or the hardware fitting is provided with a rubber anti-slip pad.
Further, the end part of the first self-locking hook is V-shaped.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses an insulating ladder of hanging gets into the strong electric field with the flat ladder, compares in the mode that gets into the strong electric field along insulator chain and has increaseed the combination clearance (flat ladder length with hang the length that ladder length sum is greater than insulator chain), makes live working satisfy the combination clearance requirement, and the equipotential operation personnel pass through the utility model discloses a combination insulation ladder gets into the electric field, develops live working, can make the operation personnel conveniently get into the equipotential more, has sufficient physical power to accomplish follow-up live working, effectively reduces operation personnel's intensity of labour, will have very big promotion in aspects such as security and efficiency to electrified maintenance work and the electrified maintenance work of emergency.
Furthermore, the inner side of a second self-locking hook on the wire side of the single-column insulation flat ladder is provided with a rubber non-slip mat, so that the phenomenon that the hanging ladder slides due to uneven wires or wind waving after the wires are hung is prevented.
Furthermore, the second self-locking hooks of the single-column insulating horizontal ladder are directly connected with the universal joint, so that the single-column insulating horizontal ladder can freely swing left and right after being hung on a lead, and the flexibility of field operation is improved.
Furthermore, the first self-locking hook of the single-column insulating horizontal ladder is a V-shaped self-locking hook, so that the single-column insulating horizontal ladder is stable and flat after being hung on the double-column insulating hanging ladder, and does not rotate.
Furthermore, the upper part of the double-column insulating hanging ladder is connected with an angle steel fixer which is directly fixed on the tower material, so that the hanging ladder is more stable and safer.
Drawings
FIG. 1 is a block diagram of the assembled insulating ladder assembly;
FIG. 2 is a combined structure diagram of a double-column insulating hanging ladder;
FIG. 3 is a combined structure diagram of a single-column insulating flat ladder, wherein (a), (b) and (c) are different combined lengths.
Wherein, 1, single-column insulation flat ladder; 2. a double-column insulating hanging ladder; 3. a universal joint; 4. a first self-locking hook; 5. an angle steel fixer; 6. an insulating rod; 7. an insulating ladder hanging unit; 8. and a second self-locking hook.
Detailed Description
The present invention is described in further detail below:
a combined insulating ladder comprises a single-column insulating flat ladder 1, a double-column insulating hanging ladder 2, a universal joint 3, a first self-locking hook 4, an angle steel fixer 5, an insulating rod 6, an insulating hanging ladder unit 7 and a second self-locking hook 8. The single-column insulating flat ladder 1 consists of a first self-locking hook 4, a universal joint 3, an insulating rod 6 and a second self-locking hook 8; the double-column insulating hanging ladder 2 consists of an insulating hanging ladder unit 7 and an angle steel fixer 5. According to the site survey condition and the drawing data, the optimal length of the single-column insulating flat ladder 1 and the double-column insulating hanging ladder 2 is calculated and respectively assembled on the canvas. When the single-column insulating flat ladder 1 is assembled, the first self-locking hook 4 and the second self-locking hook 8 are connected with the universal joint 3 and then connected with the single-column insulating flat ladder 1, and the single-column insulating flat ladder 1 is composed of a plurality of insulating rods 6 with different lengths. The double-column insulating hanging ladder 2 can also be assembled on the tower, each section of insulating hanging ladder unit 7 is fixed by bolts during assembly, and the upper end of the double-column insulating hanging ladder 2 is provided with an angle steel fixer 5. When the tower is assembled, the single-column insulating horizontal ladder 1 is hung firstly, the double-column insulating hanging ladder 2 is hung, and finally the single-column insulating horizontal ladder 1 and the double-column insulating hanging ladder 2 are connected through the first self-locking hook 4. Equipotential operating personnel enter the electric field through the combination device to carry out live-wire work.
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings:
as shown in fig. 1, the utility model discloses an insulating ladder of combination, hang ladder 2, universal joint 3, first auto-lock couple 4, angle steel fixer 5, insulator spindle 6, insulating ladder unit 7 and the second auto-lock couple 8 of hanging including single-column insulating flat ladder 1, the double-column insulation. After the assembly is completed, the upper end of the double-column insulating hanging ladder 2 is fixed on a tower material, the other end of the single-column insulating flat ladder 1 is hung on a wire or a hardware fitting, the combined gap when live-line workers enter an electric field is increased, the live-line work meets the combined gap requirement, and the equipotential workers enter the electric field through the novel combined insulating ladder to perform the live-line work
As shown in fig. 2, the double-column insulating hanging ladder 2 is composed of an insulating hanging ladder unit 7 and an angle iron fixer 5, the upper part of the double-column insulating hanging ladder 2 is connected with the angle iron fixer 5, and the angle iron fixer 5 is directly fixed on a tower material, so that the hanging ladder is more stable and safer.
As shown in fig. 3, the single-column insulating flat ladder 1 is composed of a first self-locking hook 4, a universal joint 3, an insulating rod 6 and a second self-locking hook 8, a rubber anti-slip pad is arranged on the inner side of the second self-locking hook 8 on the wire side of the single-column insulating flat ladder 1, the sliding of the single-column insulating flat ladder due to uneven wires or the waving of wind after the wires are hung is prevented, the second self-locking hook 8 of the single-column insulating flat ladder 1 is directly connected with the universal joint 3, the single-column insulating flat ladder 1 can freely swing left and right after being hung on the wires, the flexibility of field operation is improved, the first self-locking hook 4 on the ladder hanging side of the single-column insulating flat ladder 1 is a V-shaped self-locking hook, and the single-column insulating flat ladder 1 is stably and straight after being hung on the double-column insulating flat ladder 2 without.
As shown in figure 1, when the double-column insulating hanging ladder 2 is assembled, each section of insulating hanging ladder unit 7 is fixed by adopting a bolt, and the upper end of the hanging ladder is provided with an angle iron fixer 5.
Claims (6)
1. The utility model provides an insulating ladder of combination, its characterized in that includes that the double-column is insulating hangs ladder (2) and connects single-column insulating flat ladder (1) on double-column is insulating string ladder (2) perpendicularly, and the free end of single-column insulating flat ladder (1) is connected to on wire or the gold utensil, single-column insulating flat ladder (1) includes a plurality of insulator bars (6), and adjacent insulator bar (6) pass through the bolt fastening, double-column is insulating string ladder (2) and is linked together by a plurality of insulating string ladder units (7) and form.
2. A combined insulating ladder as claimed in claim 1, characterized in that the top of the double-column insulating hanging ladder (2) is connected with an angle iron fixer (5), and in use, the double-column insulating hanging ladder (2) is fixed on the tower material through the angle iron fixer (5).
3. A ladder as claimed in claim 1, characterised in that adjacent insulating ladder units (7) are bolted.
4. A combined insulating ladder as claimed in claim 1, characterised in that one end of the single-column insulating horizontal ladder (1) is connected to the double-column insulating hanging ladder (2) via a universal joint (3) and a first self-locking hook (4) connected to the universal joint (3), and the other end is connected to a wire or fitting via the universal joint (3) and a second self-locking hook (8) connected to the universal joint (3).
5. A combined insulating ladder as claimed in claim 4, characterised in that the second self-locking hooks (8) are provided with rubber anti-slip pads on the side to which the wires or fittings are connected.
6. A ladder as claimed in claim 4, characterised in that the first hook (4) is V-shaped at its end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921640303.4U CN210273316U (en) | 2019-09-27 | 2019-09-27 | Combined insulating ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921640303.4U CN210273316U (en) | 2019-09-27 | 2019-09-27 | Combined insulating ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210273316U true CN210273316U (en) | 2020-04-07 |
Family
ID=70019821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921640303.4U Active CN210273316U (en) | 2019-09-27 | 2019-09-27 | Combined insulating ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210273316U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112864939A (en) * | 2021-01-07 | 2021-05-28 | 国网安徽省电力有限公司淮北供电公司 | Tool for replacing damper of power transmission line |
-
2019
- 2019-09-27 CN CN201921640303.4U patent/CN210273316U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112864939A (en) * | 2021-01-07 | 2021-05-28 | 国网安徽省电力有限公司淮北供电公司 | Tool for replacing damper of power transmission line |
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