Three-section ladder: 3-section stepladder, fold-out and pull-out three-wheeled, Eifel 312 universal

The three-section ladder is quite popular today, as it is often used for domestic purposes. . Probably, you have not only seen how easily an electrician operates, climbing a strange, but interesting design, in which one part, like an arrow, In the sky, or workers in black and red jackets, standing on a strange kind of stepladder, change the canvas big-board."And how does it not fall from there?" - the very first thought arises. But then you understand that the design is very convenient, and it would not be bad to have the same on your own private plot. But how to choose the most suitable model of a ladder or manufacturer?Let's try to understand this article.

3-section ladder: what it is

When a person is tired of falling from objects piled on top of each other to reach the desired goal, he took three logs, a saw, a rope, and invented a ladder. When he realized that he had nothing to put up this ladder, he put another staircase to the stairs and opened the structure at the base. So it was a ladder-ladder, the name of which says that it aspire to skyrocket. But not everywhere could get a man from the ladder, and it bore him. I had to invent something else, and this invention was a three-section ladder.

The three-section ladder is, for the most part, an improved model of a ladder - a ladder, which, in addition to two sections connected to each other, has one more - a third section, an additional one. It is designed to simulate this design using any convenient method.

When choosing a reliable ladder in the store, experts recommend paying attention to its design

But there are other models of three-section ladders. All of them perform one function - the function of being able to work at altitude. Each of the three-section ladders is used in different cases, depending on what kind of work you need to perform.

Three-section ladders come in various designs and names, namely:

• Three-piece folding ladder-ladder;
• 3-section sliding ladder;
• 3-section knee ladder

All these types of stairs consist of three sections with different number of steps in them. The difference between them in the design, method and field of application.

Folding 3-section ladders: application area

In the home, a three-section folding ladder is an indispensable assistant. The main thing is to choose the right model and the height of the staircase. Do not chase the high parameters of the stairs. The largest three-section folding ladders are professional, and are used mainly in enterprises that constantly work with high-rise objects.

Ladders are folding 3-sectional come in different heights. The smallest of them allows you to work at an altitude of about 4 meters, and the highest - 15-step reaches a height of almost 11 m in the unfolded form. The height of the sections varies depending on the number of steps in each section.

The most common sectional stairs are used in repair and construction work.

Three-section folding ladders can be: 3х5;3х6;3х7;3х8;3х9;3х10;3х11;3х12;3х13;3х14.Where 3 is the number of sections of the ladder, 5, 6, 7, 8, 9, 10, etc.- the number of steps in the stairs. The latest model of the ladder 3x15 just begins to appear on sale. The application of three-section folding ladders is the most diverse. Such a ladder will become a reliable partner both in domestic conditions and in the professional field.

Scope of folding three-section ladders:

• Repair work in everyday life;
• Construction work on high-rise buildings;
• For pruning trees, both at home and at manufacturing plants;
• For harvesting in gardens;
• In the performance of their duties by public utilities;
• Work in warehouses;
• Electrical work;
• Work in different heights( porch, steps, staircases)

For work in the living conditions it is better to purchase ladders with a number of steps from 5 to 10.When folded, they are no more than 2 meters high. Higher staircases are irreplaceable helpers at construction and assembly enterprises.

How is the 3-section ladder-ladder

Currently, for convenience in operation three-section ladder-ladder is made of extruded aluminum profiles, good quality. The crossbeams or steps of the sections are also made of profiled aluminum. All self-respecting manufacturers of aluminum staircases are sure to take care of the safety of those who will use it and equip the steps with rubberized pads to ensure safe lifting and lowering.

The ladder of three-section ladder is an improved household stepladder that we used not so long ago. The two lower sections of the ladder are connected with each other by secure fasteners and fixed by a connecting cable.

The qualitative three-section ladder can easily be transformed into both ladder and ladder-ladder

The third additional section, which plays the role of a staircase height magnifier, is fixed to one section and, if necessary, fixed to it at a certain height.3-section sliding ladder, this is a very convenient purchase. By purchasing one ladder, you get at once 4 useful things in everyday life.

In what can be transformed a folding universal three-section ladder:

• Two-section ladder-stepladder;
• Ladder;
• Three-section ladder - stepladder;
• Ladder-platform.

Thus, one three-section ladder will be enough for you to provide yourself with any kind of work at different heights.

What is produced from the three-section ladder-ladder

The main material, which is currently produced by three-section ladder-ladder is an aluminum profile. Stairs made of this material are easy to use. They are easy, with their household options one person can easily manage. Due to the ease and possibility of folding, they are easy to transport from place to place. To store these stairs do not need a lot of space.

Special attention should be paid to the quality and material from which it is manufactured when buying a ladder

Three-section ladder stairs also produce materials of different texture and cost. But the most common aluminum three-section folding ladders.

Stairs made from other materials are usually stationary staircases at sites where constant work at height is required.

Sectional staircases are made of:

• Aluminum profile;
• Tree;
• Steels;
• Fiberglass.

It is unlikely that a wooden folding ladder, or a ladder made of steel, is suitable for work in domestic conditions.

Concept three-section ladder and its use

The second place for use among the giant stairs is a retractable three-section ladder. The peculiarity of its design is that the sections of the stair are fixed to each other and are regulated in height by means of special cables. Such a ladder is still known as a building.

The sliding three-section ladder is an enhanced version of the ladder that allows to work successfully and safely at very high altitudes. The successful design of the retractable ladder allows it to be much higher than the ladder ladder and, accordingly, allows you to work at even higher altitudes.

Using this three-section ladder, you can easily perform repairs at a height in a country house

Thanks to the cables, adjustable staircase height, you can quickly and quickly decompose it and give the desired design. Retractable sections on the last section are fixed with a hook-latch, which excludes the spontaneous folding of the ladder along the length. The support of the staircase is equipped with a guide profile and built-in overlays, which provides special stability.

Applications of sliding three-section ladder:

• Construction work on the facades of tall buildings;
• In the country house;
• In warehouses;
• In the book archives.

Retractable staircases, like ladder ladders, also have an enormous demand in the market of household goods.

Three-legged staircase of narrow purpose

Sometimes there are situations where you just need to climb high and fast. This need is primarily for firefighters who need to respond quickly, quickly work, and in a matter of seconds to be at an unattainable height. In this case professional ladders come to the rescue.

Three-section ladder is usually an indispensable assistant to firemen

Three-piece ladder, it is a ladder that allows it to be dismantled in a matter of seconds and without risking its life to climb it to the top.

Do not confuse terms. A three-piece ladder is not a three-piece ladder and some other three-section ladder. This ladder is purely professional, and is used mainly by people with a narrow range of professions.

Such as:

• Firefighters;
• Rescue units;
• Utilities.

The only drawback of these stairs is that they are almost impossible to decompose alone. In order to lead the ladder into working position, at least two people are needed.

Criteria for choosing a qualitative three-section ladder

In order to provide yourself or your subordinates with safe work at high altitude, it is necessary to competently and responsibly approach the selection of stairs.

Three-section ladders are produced in our time in huge quantities, but not light producers strive to properly provide stairs with strength and reliability.

The most popular and popular today are the three-section ladders from the manufacturer Eifel

The responsible manufacturers, for example, Krause, always attach the ladder to the ladder: the maximum mass of those who rise, the drawing, how to makeInstallation and assembly of the metal parts of the ladder, calculation of the tripartite load, whether the product passed the first test, whether there is a platform for tools, whether the ladder is equipped with a height stabilizer and an endabout the length of her.

Among manufacturers of three-section ladders, the following domestic and euro manufacturers are in great demand:

• Eiffel;
• Krause;
• Granite;
• TTX;
• Vira;
• LRTMP;
• KRW;
• Krosper;
• Sibroteh;
• Svelt;
• DWG.

The marking of stairs depends on the number of steps with sections, and the sections themselves. They are labeled like -5309, one hundred means - a three-section ladder of 9 degrees in section, 5310, 5311, etc.

Installation of a three-wheeled ladder( video)

When choosing a ladder, remember: before you make a purchase, read the reviews. For your own safety, you need to purchase not only a beautiful product, but also a strong one on the Kosovra.