CN108148428A - A kind of movable folding type insulating ladder - Google Patents
A kind of movable folding type insulating ladder Download PDFInfo
- Publication number
- CN108148428A CN108148428A CN201611102273.2A CN201611102273A CN108148428A CN 108148428 A CN108148428 A CN 108148428A CN 201611102273 A CN201611102273 A CN 201611102273A CN 108148428 A CN108148428 A CN 108148428A
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- Prior art keywords
- ladder
- support column
- mass ratio
- mixture
- insulating ladder
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to field of electrical equipment, disclose a kind of movable folding type insulating ladder, are made of support column, ladder step bar, shaft, the support column quantity is four, is two per side, two of homonymy are connected by shaft.The present invention improves the material of prior art movable folding type insulating ladder, improves the flame-resistant insulation performance of insulating ladder, and mechanical strength also greatly improves, and service life is lasting, more securely and reliably.
Description
Technical field
The invention belongs to field of electrical equipment, and in particular to a kind of movable folding type insulating ladder.
Background technology
With the high speed development of power grid construction, each production line teams and groups operating personnel task amount increases increasingly, operation,
Safeguard more and more complicated, operation, repairing（Maintenance）Time requirement is more stringent；In the daily tour maintenance of work team and service work
Because geographical conditions limit, generally require to use such as double ladder, a word insulating ladder, small single ladder ascending tool.Chinese patent
2012201210624 disclose it is a kind of it is light-weight, easy to carry, occupy little space, while multiple functional, multi-specialized class can be met
The foldable multifunctional insulating ladder of group, different terrain job requirements.The insulating ladder is made of support column, ladder step bar, shaft,
It is characterized in that：Support column, ladder step pole stock matter are epoxy resin or polymerization fat or high strength glass fiber, and support column quantity is four
Root, every two are connected by shaft.It is but the insulation performance of material of above-mentioned ladder step bar or support column, mechanical strength, antistatic
And flame retardant property needs further to be promoted.
Invention content
Present invention aim to address many defects of insulating ladder in the prior art, provide a kind of movable folding type insulation
Ladder, the insulating ladder various aspects of performance is preferable, has a extensive future.
To achieve these goals, technical scheme of the present invention is realized in the following way：
A kind of movable folding type insulating ladder is made of support column, ladder step bar, shaft, and the support column quantity is four, is per side
Two, two of homonymy are connected by shaft.
Specifically, the support column and ladder step bar are prepared according to following technique：
Step 1）By acrylic resin, bisphenol A type epoxy resin, phenolic resin, makrolon, triphenyl phosphate, glass fibre
And talcum powder, it is added in the reactor equipped with wood powder, is warming up to 80 DEG C, mixing speed 500rpm, time 30min, from
So to get major ingredient after cooling；
Step 2）Toward diatomite and kaolin according to 1:1 mass ratio is mixed to get mixture, then adds equal with mixture
The 1M hydrochloric acid of weight, 300 turns/min stirrings 10min, 80 DEG C of drying are ground to grain size as 100 mesh, as auxiliary material 1；
Step 3）By molybdenum disulfide and graphite according to 2:1 mass ratio is mixed to get mixture, is then added to and accounts for mixture two
In the N-Methyl pyrrolidone of times weight, 300rpm stirs 5min to get auxiliary material 2；
Step 4）By major ingredient, auxiliary material 1 and auxiliary material 2 according to 30-50:3-5:The mass ratio of 1-2 is put into centrifuge successively,
1000rpm centrifugal mixers 8 minutes after mixing, are squeezed into molten condition into double screw extruder, are then expressed into injection
In machine, injection molding to obtain the final product.
Specifically, the step）In, acrylic resin, bisphenol A type epoxy resin, phenolic resin, makrolon, phosphoric acid
Triphenylmethyl methacrylate, glass fibre, mountain flour and wood powder mass ratio be 30:20:12:5:2:1:1:50.
The invention mainly relates to the improvement of material, specific structure design belongs to the conventional design of this field, can refer to existing
There is technology.
The advantageous effect that the present invention obtains mainly includes but not limited to the following aspects：
The present invention improves the material of prior art movable folding type insulating ladder, improves the flame-resistant insulation of insulating ladder
Can, mechanical strength also greatly improves, and service life is lasting, more securely and reliably；Present invention uses wood powders, belong to timber processing
Waste, cost of material is more cheap, reduces entreprise cost；Cooperation between molybdenum disulfide and graphite, make it is intermolecular more
Add secured, closely knit, further enhance flexibility；Diatomite and kaolin make it have good plasticity, height by modification
Caking property and preferable fire-resistant corrosion-resistant；Talcum powder is conducive to the stabilization of shape of product, has good fluidity and convenient for demoulding；
Glass fibre improves corrosion resistance and mechanical strength；The present invention is modified plastics processing by multiple material so that wood
Powder material and plastic material can it is compatible well together with.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, have below in conjunction with the application
Body embodiment more clearly and completely describes the present invention, it is clear that described embodiment is only the application one
Divide embodiment, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making
All other embodiments obtained under the premise of creative work should all belong to the scope of protection of the invention.
Embodiment 1
A kind of movable folding type insulating ladder is made of support column, ladder step bar, shaft, and the support column quantity is four, is per side
Two, two of homonymy are connected by shaft；The support column and ladder step bar are prepared according to following technique：
1）By acrylic resin, bisphenol A type epoxy resin, phenolic resin, makrolon, triphenyl phosphate, glass fibre and
Talcum powder is added in the reactor equipped with wood powder, is warming up to 80 DEG C, mixing speed 500rpm, time 30min, naturally cold
But to get major ingredient after；The acrylic resin, bisphenol A type epoxy resin, phenolic resin, makrolon, triphenyl phosphate, glass
The mass ratio of glass fiber, mountain flour and wood powder is 30:20:12:5:2:1:1:50；
2）Toward diatomite and kaolin according to 1:1 mass ratio is mixed to get mixture, then addition and mixture equivalent weight
1M hydrochloric acid, 300 turns/min stirrings 10min, 80 DEG C of drying are ground to grain size as 100 mesh, as auxiliary material 1；
3）By molybdenum disulfide and graphite according to 2:1 mass ratio is mixed to get mixture, is then added to and accounts for twice of weight of mixture
In the N-Methyl pyrrolidone of amount, 300rpm stirs 5min to get auxiliary material 2；
4）By major ingredient, auxiliary material 1 and auxiliary material 2 according to 30:3:1 mass ratio is put into centrifuge successively, and 1000rpm centrifugations are stirred
It mixes 8 minutes, after mixing, is squeezed into molten condition into double screw extruder, is then expressed into injection molding machine, injection molding
To obtain the final product.
By taking ladder step bar prepared by above-mentioned technique as an example, after testing, impact strength 12.8kJ/cm2；Tensile strength（GB/
T1042-92）29.7Mpa；Flame retardant property（UL94-V）V-0 grades；Insulation resistance
（Ω.m）2.9×1013。
Heat resistance：Material is positioned in 100 DEG C of hot water 24 hours, after taking-up, surface is protected without significant change, impact strength
97.2% is held, tensile strength keeps 98.7, and flame retardant property and insulation performance are without significant change.
Corrosion resistance：Material is positioned in 10% brine and is corroded 200 hours, surface keeps bright, no significant change, punching
Hit intensity keeps 96.8%, and tensile strength keeps 97.3%, other performances are without significant change.
It is low temperature resistant：Material is positioned at -50 DEG C 30 days, various aspects of performance is without significant change.
Embodiment 2
A kind of movable folding type insulating ladder is made of support column, ladder step bar, shaft, and the support column quantity is four, is per side
Two, two of homonymy are connected by shaft；The support column and ladder step bar are prepared according to following technique：
1）By acrylic resin, bisphenol A type epoxy resin, phenolic resin, makrolon, triphenyl phosphate, glass fibre and
Talcum powder is added in the reactor equipped with wood powder, is warming up to 80 DEG C, mixing speed 500rpm, time 30min, naturally cold
But to get major ingredient after；The acrylic resin, bisphenol A type epoxy resin, phenolic resin, makrolon, triphenyl phosphate, glass
The mass ratio of glass fiber, mountain flour and wood powder is 50:30:20:7:3:2:2:80；
2）Toward diatomite and kaolin according to 1:1 mass ratio is mixed to get mixture, then addition and mixture equivalent weight
1M hydrochloric acid, 300 turns/min stirrings 10min, 80 DEG C of drying are ground to grain size as 100 mesh, as auxiliary material 1；
3）By molybdenum disulfide and graphite according to 2:1 mass ratio is mixed to get mixture, is then added to and accounts for twice of weight of mixture
In the N-Methyl pyrrolidone of amount, 300rpm stirs 5min to get auxiliary material 2；
4）By major ingredient, auxiliary material 1 and auxiliary material 2 according to 50:5:2 mass ratio is put into centrifuge successively, and 1000rpm centrifugations are stirred
It mixes 8 minutes, after mixing, is squeezed into molten condition into double screw extruder, is then expressed into injection molding machine, injection molding
To obtain the final product.
By taking ladder step bar prepared by above-mentioned technique as an example, after testing, impact strength 12.2kJ/cm2；Tensile strength（GB/
T1042-92）29.3Mpa；Flame retardant property（UL94-V）V-0 grades；Insulation resistance
（Ω.m）3.1×1013。
Heat resistance：Material is positioned in 100 DEG C of hot water 24 hours, after taking-up, surface is protected without significant change, impact strength
97.7% is held, tensile strength keeps 98.2, and flame retardant property and insulation performance are without significant change.
Corrosion resistance：Material is positioned in 10% brine and is corroded 200 hours, surface keeps bright, no significant change, punching
Hit intensity keeps 96.5%, and tensile strength keeps 97.1%, other performances are without significant change.
It is low temperature resistant：Material is positioned at -50 DEG C 30 days, various aspects of performance is without significant change.
It is understood that the present invention can also make other restrictions, in the case where not departing from scope and spirit of the present invention,
Other deformations can be carried out to embodiments disclosed herein and change is still fallen within the protection scope of the present invention.
Claims (3)
1. a kind of movable folding type insulating ladder is made of support column, ladder step bar, shaft, the support column quantity is four, per side
It it is two, two of homonymy are connected by shaft.
2. insulating ladder according to claim 1, which is characterized in that the support column and ladder step bar are according to following technique system
It is standby and obtain：
Step 1）By acrylic resin, bisphenol A type epoxy resin, phenolic resin, makrolon, triphenyl phosphate, glass fibre
And talcum powder, it is added in the reactor equipped with wood powder, is warming up to 80 DEG C, mixing speed 500rpm, time 30min, from
So to get major ingredient after cooling；
Step 2）Toward diatomite and kaolin according to 1:1 mass ratio is mixed to get mixture, then adds equal with mixture
The 1M hydrochloric acid of weight, 300 turns/min stirrings 10min, 80 DEG C of drying are ground to grain size as 100 mesh, as auxiliary material 1；
Step 3）By molybdenum disulfide and graphite according to 2:1 mass ratio is mixed to get mixture, is then added to and accounts for mixture two
In the N-Methyl pyrrolidone of times weight, 300rpm stirs 5min to get auxiliary material 2；
Step 4）By major ingredient, auxiliary material 1 and auxiliary material 2 according to 30-50:3-5:The mass ratio of 1-2 is put into centrifuge successively,
1000rpm centrifugal mixers 8 minutes after mixing, are squeezed into molten condition into double screw extruder, are then expressed into injection
In machine, injection molding to obtain the final product.
3. insulating ladder according to claim 2, which is characterized in that the step）In, acrylic resin, bisphenol type epoxy
Resin, phenolic resin, makrolon, triphenyl phosphate, glass fibre, mountain flour and wood powder mass ratio be 30:20:12:5:
2:1:1:50。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611102273.2A CN108148428A (en) | 2016-12-05 | 2016-12-05 | A kind of movable folding type insulating ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611102273.2A CN108148428A (en) | 2016-12-05 | 2016-12-05 | A kind of movable folding type insulating ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108148428A true CN108148428A (en) | 2018-06-12 |
Family
ID=62470430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611102273.2A Pending CN108148428A (en) | 2016-12-05 | 2016-12-05 | A kind of movable folding type insulating ladder |
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| Country | Link |
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| CN (1) | CN108148428A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202659132U (en) * | 2012-03-28 | 2013-01-09 | 四川省电力公司乐山电业局 | Folding multifunctional insulated ladder |
| CN104119624A (en) * | 2014-07-04 | 2014-10-29 | 国家电网公司 | Insulation cable material and preparation method thereof |
| CN105199309A (en) * | 2015-09-25 | 2015-12-30 | 国网山东省电力公司临沂供电公司 | High performance insulated bakelite |
| CN106009199A (en) * | 2016-07-30 | 2016-10-12 | 郭秀珍 | High-strength antiskid electrician ladder for power construction |
-
2016
- 2016-12-05 CN CN201611102273.2A patent/CN108148428A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202659132U (en) * | 2012-03-28 | 2013-01-09 | 四川省电力公司乐山电业局 | Folding multifunctional insulated ladder |
| CN104119624A (en) * | 2014-07-04 | 2014-10-29 | 国家电网公司 | Insulation cable material and preparation method thereof |
| CN105199309A (en) * | 2015-09-25 | 2015-12-30 | 国网山东省电力公司临沂供电公司 | High performance insulated bakelite |
| CN106009199A (en) * | 2016-07-30 | 2016-10-12 | 郭秀珍 | High-strength antiskid electrician ladder for power construction |
Non-Patent Citations (5)
| Title |
|---|
| 王清文等: "《木塑复合材料与制品》", 31 January 2007, 化学工业出版社 * |
| 程耀信等: "《非金属矿深加工与应用新技术》", 31 August 1995, 测绘队印刷厂 * |
| 颜志光主编: "《新型润滑材料与润滑技术使用手册》", 28 February 1999, 国防工业出版社 * |
| 马鸿文主编: "《工业矿物与岩石》", 31 August 2002, 地质出版社 * |
| 齐贵亮: "《塑料改性配方工艺速查360例》", 31 January 2016, 文化发展出版社 * |
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Application publication date: 20180612 |
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