Gate in an extreme climb

Cantilever gate in an extreme slope with a gate for pedestrians

The following article will discuss one of our latest references. We would like to show you that even technically more demanding solutions are a challenge for the VISIO systems company and we are happy to accept this challenge. The specificity of this reference lies in the slope in which our client’s land is located. In absolute terms, this is a 12% increase. We will try to explain how to prepare for such a project, what it requires and what it entails in the following lines.

Measurment

The first step for a successful implementation is the correct alignment of construction openings and concrete footings as well as agreement on all details and client requirements.

The specificity of this order also consisted in focusing the angles using a laser and other tools intended for this purpose. At the first meeting, we also fine-tune the details regarding the pattern of the filling (the appearance of the gate), the color and all accessories.

However, the given meeting also required the agreement of details related to the ascent. The client was informed directly on the spot about the necessary accessories for the given climb, i.e. about the use of a more powerful electric drive, multi-wheeled polyamide carts and a hydraulic brake.

Production

How does the production process proceed after the price offer is approved?

Our first step is the processing of all technical drawings by our staff. In this (of course also in other) orders, it is very important to accurately calculate and draw all the angles of the gate, so that the production, which proceeds according to these drawings, can make everything to measure. In this case, on the basis of the precise focus of the angles, our worker was able to create technical drawings, which then continue into the hands of the production manager.

The production manager goes over the entire order together with the designer, and when everything is clear for both parties, production begins. Even before the first cut, the technician goes over everything with other workers involved in the given project. In the production of this particular order, we simulated the measured opening in the workshop with a slope and inserted the welded gate frame into it to see if our calculations were correct. Subsequently, when the frame was properly made, we followed the standard steps.

Montage

When the gate is ready for final assembly, we inform the client and agree on a date. For such assembly, it is also necessary to procure a vehicle with a hydraulic arm (note: we provide it). This device saves our workers, but at the same time, this gate required more thorough handling, as it had to be held in certain positions for a longer period of time. However, even before the hydraulic arm is used, it is necessary to accurately measure and attach the supporting trolleys to the concrete foundation. Their setting is the alpha and omega of the entire operation of the gate. The next step is testing whether the gate is correctly placed and whether the manual operation of the gate is in order. Such testing was a bit more difficult for the given order, as the gate was placed on an extreme slope. Is such manual testing necessary at all? Yes, because that way our workers can find out if the gate is correctly placed, if it cooperates with polyamide trolleys. If something is wrong somewhere, it is much easier to solve it before installing the electric drive to avoid unnecessary complications. If the gate has been successfully laid and there is nothing obstructing the movement of the gate, the upper guide is installed to ensure the stability of the gate and the final installation of the gate drive takes place.

Next, we will discuss what the gate requires in terms of accessories in an extreme rise. Common accessories that are a matter of course for every gate can be found in other upcoming articles. We like to dedicate this article only to the accessories that were needed in addition to the usual ones. However, for the sake of completeness, we will also list the “standard” used accessories and then we will also discuss the special used accessories for the given order.

Standard accessories
for sliding gates

Stop rail for a cantilever gate
C profile (rail) for a cantilever gate
Galvanized cantilever gate cover
Start-up wheel of a cantilever gate
Guide polyamide wheel
Upper stop with rubber guide wheels
Start-up pocket

Special accessories
for gates with an extreme slope

Hydraulic brake
Powerful drive
Carrying trolleys with polyamide wheels

Hydraulic brake

Radial brake BSF-M with toothed pinion MODUL M4 (16 teeth) is intended for continuous control of the speed of movement of sliding gates. For gates installed on a slope, the brake regulates and controls the closing speed in the entire path of the gate and guarantees safety when the drive is unlocked (in the event of a power failure). The brake relieves the load on the gate drive, thus prolonging its service life.

Posuvná samonosná brána v extrémnom stúpaní s bráničkou

Hydraulic brake

Powerful drive

Carrier trucks with
polyamide wheels

High performance

All our drives are adapted to the weight of the gate itself. For example, if we have a gate with a weight of 150 kg, we will use a drive adapted to a weight of 400 kg. It is the smallest drive we use for sliding gates. However, if we already have a 300kg gate, we will use a drive that is a class stronger, or more powerful. This is in case, for example, there are bad weather conditions or various other factors that would prevent the movement of the gate. Therefore, our calculations are still accurate and we will be patient with the details. If the gate is on an extreme slope, it is necessary to use a drive with a higher power, but not by a class, but by two. Climbing at such an angle brings with it a load that the given drive must handle. As for additional equipment, all drive classes have the highest additional equipment. You can read about additional equipment in the next article. In this case, we installed a drive up to 700 kg (with a gate weight of 190 kg), but after load tests it was necessary to use a drive for a sliding gate up to 1,100 kg. The power of the given drive is 38N.

Hydraulic brake

Powerful drive

Carrier trucks with
polyamide wheels

We know the carrier carts in 3 sizes. We can use the smallest ones that have 5 wheels, the medium ones with 8 and the biggest ones with 10 wheels. We most often use medium 8-wheel polyamide carts. What size we use depends again on the weight of the gate. We will recalculate this weight and adapt the type of cart to it. With a gate that is on such an extreme slope, it is necessary to calculate that it will be a greater load for the gate, and thus we choose polyamide trolleys that are one class larger.

Hydraulic brake

Powerful drive

Nosné vozíky s
polyamidovými kolieskami

Visio advice at the end

What do you need to expect with such a gate?

Gates in such an extreme rise have one significant change compared to classic gates. Since these gates must be adapted to the given slope, it is also necessary to adapt their construction. It is therefore desirable that the lower part of the gate, i.e. the frame, follows the slope of the land. In addition, we can copy not only the frame itself but also the filling. In this way, we will create a harmony between the gate and the rising land. This kind of production is therefore somewhat more demanding than “classic” production.

The price?

Our price offers are calculated and tailored to each client. Since each client has specific requirements and specific dimensions, it is difficult to set our prices as fixed. What must be taken into account with such a gate is that the manufacture and installation of the gate is somewhat more difficult, the gate accessories are different from those of a “classic” gate. However, at the end of this article, I would like to point out that the price we agree on is always final, which means that it will not happen that the price will increase for you during production or assembly. The price at which we “shake hands” is final.