RU184480U1 - Stair nozzle - Google Patents

Abstract

The utility model relates to the field of ensuring the safety of work in communications, energy, utilities and gardening, namely, to a nozzle device for the upper part of the staircase to prevent the upper part of the staircase from moving during operation, which can mainly be used for climbing wooden metal and reinforced concrete supports of overhead communication lines and power lines; the tree is oval and irregular in shape; buildings and structures with a flat surface.

The technical result of the proposed utility model is to create a universal nozzle for the upper part of the stairs against sliding for any types and sizes of supports, poles, trees and flat surfaces that do not require adjustment.

Description

The utility model relates to the field of ensuring the safety of work in communications, energy, utilities and gardening, and in particular to the device of a nozzle for the upper part of the staircase to prevent the upper part of the staircase from moving during operation, which can mainly be used for climbing on: wooden , metal and reinforced concrete supports of overhead communication lines and power lines; the tree is oval and not of regular shape; buildings and structures with a flat surface.

The closest technical solution is the nozzle for supporting the KRAUSE pole / mast, made of a rectangular metal profile, along the edges of which there are adjustable clamps for attaching the nozzle to the ladder. Two grips under the support are fixed on a rectangular profile, which can be adjusted horizontally depending on the diameter (size) of the support. (see the KRAUSE online store of ladders in the section "Accessories, ferrules for supports and spare parts" at http://krause-shop.ru/product/nasadka-dlja-opory-na-stolbmachtu-krause-122452). The KRAUSE pole / mast nozzle is designed to securely attach stairs with rungs to poles with a diameter of 100-250 mm, and can be used on stairs with an internal width of 300-400 mm.

Wooden supports of overhead communication lines and high-voltage signal lines have a diameter at the apex (upper cut) of 12 to 25 cm. Reinforced concrete supports have a trapezoidal shape. Metal supports can be either round (of various diameters) or bent profiles. Trees can have an oval and irregular section shape.

Thus, in order for the KRAUSE pole / mast nozzle to work properly, it must be adjusted to the specific pole / mast. In practical terms, this is done empirically: adjustment - setting the ladder with the nozzle - shear test. The adjustment process can take several cycles, which takes some time. Also, the KRAUSE pole / mast nozzle works properly if the pole / mast is of the correct round or trapezoidal shape (attached to the base of the trapezoid). If the wooden support during operation is bent or deformed, if the reinforced concrete pillar in the upper part began to crumble, if the nozzle is attached to the sides of the trapezoid, as well as if we need to put the ladder on an oval and irregular tree or it will be more than 250 mm, then this nozzle will not be able to perform its function at all or will not perform it properly (the upper part of the ladder will be unstable). This nozzle is not intended for use on flat surfaces.

The technical result of the proposed utility model is to create a universal nozzle for the upper part of the stairs against sliding for any types and sizes of supports, poles, trees and flat surfaces that do not require adjustment.

The technical result is achieved in that the nozzle, including a base made of a rectangular metal profile, at the edges of which there are adjustable clamps for attaching the nozzle to the ladder, is fixed on the rectangular profile (by welding, gluing, etc.) a U-shaped metal a plate with bends along the edges on the inside of which there are anti-slip spikes. The U-shaped metal plate has a radius of more than 50 cm. And thus it can be applied to any support in size and diameter. Bends along the edges are parallel to the base and are involved when installing the nozzle to flat surfaces. Thus, the design of the nozzle allows you to put the ladder to any surface.

In FIG. 1 shows a general view of the nozzle.

The nozzle consists of a rectangular metal profile 1, along the edges of which there are adjustable clamps for attaching the nozzle to the ladder, consisting of their bracket 5 with a slot for adjusting the clamp 6, the L-shaped screw 7 and the wing nut 8. U- is fixedly fixed to the rectangular profile a shaped metal plate 2 with bends along the edges 3 on the inside of which there are spikes 4 located along the entire surface of the plate.

The device operates as follows. Before using the stairs, the nozzle is installed on the upper edge of the stairs. Using the L-shaped screws 7 and wing nuts 8, the nozzle is attached to the sides of the stairs. The ladder is attached in the required place, the nozzle abuts. Under the influence of the applied load, the spikes on the inside of the structure engage with the surface and prevent the nozzles from sliding off with the ladder. Thus, the nozzle does not allow the stairs to slide off the necessary surface, thereby ensuring the safety of work when climbing and working on the stairs.

Claims (5)

1. The nozzle on the ladder, consisting of a base, on the edges of which there are adjustable clamps for attaching the nozzle to the ladder, characterized in that the base is fixedly fixed U-shaped plate with bends along the edges, on the inside of which there are spikes. 2. The nozzle on the stairs according to claim 1, characterized in that the base is made of a metal rectangular profile. 3. The nozzle on the stairs according to claim 1, characterized in that the U-shaped plate is made of metal. 4. The nozzle on the ladder according to claim 1, characterized in that the U-shaped plate has a radius of more than 50 cm. 5. The nozzle on the ladder according to claim 1, characterized in that the taps of the U-shaped plate are parallel to the base.

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