CN203066839U - Insulated extension ladder - Google Patents
Insulated extension ladder Download PDFInfo
- Publication number
- CN203066839U CN203066839U CN 201220741528 CN201220741528U CN203066839U CN 203066839 U CN203066839 U CN 203066839U CN 201220741528 CN201220741528 CN 201220741528 CN 201220741528 U CN201220741528 U CN 201220741528U CN 203066839 U CN203066839 U CN 203066839U
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- CN
- China
- Prior art keywords
- ladder
- main
- foot
- fixedly connected
- main ladder
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an insulated extension ladder which comprises a main ladder and an auxiliary ladder, wherein a plastic sleeve is arranged outside the main ladder and the auxiliary ladder; steps of the main ladder are fixedly connected with armrests of the main ladder by bolts; two support legs are respectively arranged at the two sides of the main ladder; the support legs are respectively and fixedly connected with the armrests of the main ladder; the armrests of the main ladder are respectively provided with a groove; the auxiliary ladder is arranged in the grooves; the grooves are respectively and internally provided with a fixed connecting piece; and the fixed connecting pieces are fixedly connected with steps of the auxiliary ladder. The insulated extension ladder overcomes the defects of the prior art, and is simple in design and reasonable in structure; the two fixed support legs are respectively arranged at the two sides of the lower end of the main ladder, so that the support area of the ladder is enlarged, and side slippage is effectively prevented; the upper end of the ladder is provided with a hook, thus being stable in leaning; and the insulated extension ladder can be freely stretched, and is convenient to operate.
Description
Technical field
The utility model relates to the electric equipment maintenance technical field of tools, specifically belongs to a kind of insulation extension ladder.
Background technology
Mainly high-rise working use when power system device overhauls of insulating ladder.All be bigger as converting equipment generally, higher apart from ground level, and the shell of these electric fixturess is the metal material making, and smooth surface, isolator is taken by unstable during use, easily downslide, sideslip.Mostly existing insulation elevator is outside common ladder insulating layer to be set, and project organization is unreasonable, uses safe and reliable inadequately.
The utility model content
The purpose of this utility model has provided a kind of insulation extension ladder, the deficiencies in the prior art have been overcome, simplicity of design, rational in infrastructure, by in both sides, main terraced lower end fixing supporting legs being set, increase the ladder Area of bearing, effectively prevent from breakking away, the ladder upper end is provided with hook, is convenient to the upper end and takes by stable, ladder also can freely extend, and is easy to operate.
The technical solution adopted in the utility model is as follows:
A kind of insulation extension ladder, comprise main ladder and secondary ladder, the outer plastic sheath that is provided with of main ladder and secondary ladder, described main foot of ladder is stepped on main ladder rail and is bolted to connection, main terraced both sides are provided with supporting leg, on the fixedly connected main ladder rail of supporting leg, are provided with groove in the main ladder rail, secondary ladder is arranged in the groove, is provided with fixed connecting piece in the groove and steps on secondary foot of ladder and fixedly connected.
Described supporting leg lower end is provided with the cushion collar that rubber is made.
Both sides, described secondary ladder upper end are provided with hook, and secondary ladder rail upper end is provided with the cushion collar that rubber is made.
Described main foot of ladder is stepped on to step on secondary foot of ladder and is acrylonitrile-butadiene rubber and makes, and foot-operated surface has anti-skidding lines.
Compared with the prior art, the beneficial effects of the utility model are as follows:
The utility model increases the ladder Area of bearing by in both sides, main terraced lower end fixing supporting legs being set, and effectively prevents from breakking away, and the ladder upper end is provided with hook, is convenient to the upper end and takes by stable, and ladder also can freely extend, and is easy to operate.
Description of drawings
Fig. 1 is structural representation of the present utility model;
The structural representation that Fig. 2 analyses and observe for the utility model side.
The specific embodiment
Referring to accompanying drawing, a kind of insulation extension ladder, comprise main ladder 1 and secondary ladder 2, main ladder 1 and the secondary ladder 2 outer plastic sheaths that are provided with, main foot of ladder is stepped on 102 and is bolted to connection with main ladder rail 101, main terraced 1 both sides are provided with supporting leg 3, and on the supporting leg 3 fixedly connected main ladder rails 101, supporting leg 3 lower ends are provided with the cushion collar 301 that rubber is made.Be provided with groove in the main ladder rail 101, secondary ladder 2 is arranged in the groove, is provided with fixed connecting piece 4 in the groove and steps on 202 with secondary foot of ladder and fixedly connected.Both sides, secondary terraced 2 upper end are provided with hook 5, and secondary ladder rail 201 upper ends are provided with the cushion collar 6 that rubber is made.Main foot of ladder step on 102 and secondary foot of ladder step on 202 and be acrylonitrile-butadiene rubber and make, foot-operated surface has anti-skidding lines.
Claims (4)
1. insulation extension ladder, comprise main ladder and secondary ladder, the outer plastic sheath that is provided with of main ladder and secondary ladder, it is characterized in that: described main foot of ladder is stepped on main ladder rail and is bolted to connection, main terraced both sides are provided with supporting leg, on the fixedly connected main ladder rail of supporting leg, are provided with groove in the main ladder rail, secondary ladder is arranged in the groove, is provided with fixed connecting piece in the groove and steps on secondary foot of ladder and fixedly connected.
2. a kind of insulation extension ladder according to claim 1, it is characterized in that: described supporting leg lower end is provided with the cushion collar that rubber is made.
3. a kind of insulation extension ladder according to claim 1 is characterized in that: both sides, described secondary ladder upper end are provided with hook, and secondary ladder rail upper end is provided with the cushion collar that rubber is made.
4. a kind of insulation extension ladder according to claim 1 is characterized in that: described main foot of ladder is stepped on to step on secondary foot of ladder and is acrylonitrile-butadiene rubber and makes, and foot-operated surface has anti-skidding lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220741528 CN203066839U (en) | 2012-12-28 | 2012-12-28 | Insulated extension ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220741528 CN203066839U (en) | 2012-12-28 | 2012-12-28 | Insulated extension ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203066839U true CN203066839U (en) | 2013-07-17 |
Family
ID=48765649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220741528 Expired - Fee Related CN203066839U (en) | 2012-12-28 | 2012-12-28 | Insulated extension ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203066839U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944088A (en) * | 2014-04-16 | 2014-07-23 | 宁海县雁苍山电力设备厂 | Power maintenance ladder |
| CN105119194A (en) * | 2015-09-07 | 2015-12-02 | 国家电网公司 | Multifunctional intelligent power distribution safety apparatus |
| CN107439146A (en) * | 2017-09-04 | 2017-12-08 | 合肥原印农业科技有限公司 | A kind of emergency staircase that fruit is plucked for fruit tree |
| CN109449783A (en) * | 2018-09-14 | 2019-03-08 | 宋盈盈 | A kind of power equipment case being easily installed |
-
2012
- 2012-12-28 CN CN 201220741528 patent/CN203066839U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944088A (en) * | 2014-04-16 | 2014-07-23 | 宁海县雁苍山电力设备厂 | Power maintenance ladder |
| CN103944088B (en) * | 2014-04-16 | 2016-04-13 | 象山一山工业设计有限公司 | Power equipment maintaining ladder |
| CN105119194A (en) * | 2015-09-07 | 2015-12-02 | 国家电网公司 | Multifunctional intelligent power distribution safety apparatus |
| CN107439146A (en) * | 2017-09-04 | 2017-12-08 | 合肥原印农业科技有限公司 | A kind of emergency staircase that fruit is plucked for fruit tree |
| CN109449783A (en) * | 2018-09-14 | 2019-03-08 | 宋盈盈 | A kind of power equipment case being easily installed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20131228 |