RU140891U1 - FASTENING Dismountable LOCKING STAND - Google Patents

Abstract

Mounting collapsible rack, made in the form of a mounting rod with a thread in the lower part and a cone located downward in the middle part, characterized in that the upper part of the mounting rod is made in the form of a cylindrical head, the end surface of which is perpendicular to the axis of the rod and in which has a through transverse hole.

Description

The utility model relates to mechanical engineering, in particular, to detachable joints of objects using rod elements, and can be used in the field of construction, in particular, for installing roof umbrellas over ventilation shafts.

Known connection quick-release connecting finger used for securing goods that require frequent and quick connection and separation of parts (see patent RU 2168661, IPC F16B 21/08, publ. 02.27.2001). The quick coupling finger comprises a shaft with a handle at one end and a fixing elastic assembly at the other, input end. As a result, the bearing capacity of the connecting finger increases and the technology of its manufacture and assembly is simplified. However, this technical solution for use in the proposed utility model is excessively complex.

It is known to connect two parts with a cylindrical finger, the so-called finger-eye connection (see GOST 17613-80 Linear fittings. Terms and definitions, Internet resource "Information-reference online system" Technorma.ru "https://libgost.ru/gost/10276-GOST17613_80.html). The connection is an extremely simple design that provides rapid assembly and disassembly, and is one of the closest analogues of the proposed utility model.

Known mounting collapsible rack (see patent RU 2485361, IPC F16B 5/02, F16B 7/00, publ. 06/20/2013), the fastening element of which is made in the form of a rod with thread and couplings at the ends. The coupling on the upper end of the rod is connected to the rod by means of a cotter pin and is designed to connect its upper end to the first connected object by welding. In the middle part of the rod, a cone is made with a bell down, designed to abut the upper end of the sleeve, into which the rod passes through the hole and which is connected by the side surface to the second connected object by welding. At the lower end of the rod all the way into the inner recess made in the lower end of the sleeve, a sleeve is screwed in to tighten the sleeve to the cone. This known technical solution is selected as the second closest analogue.

The objective of the proposed utility model is to create a universal design that provides the implementation of two different types of compounds.

The technical result from the application of the utility model consists in expanding the possibilities of connecting two objects with one fixing means using different types of connection.

This is achieved due to the fact that in the mounting collapsible rack, which is made in the form of a mounting rod with a thread in the lower part and a cone in the middle part, according to the proposed, the upper part of the mounting rod is made in the form of a cylindrical head with an end surface located perpendicular to the axis rod, and having a through transverse hole.

The implementation of the upper part of the mounting rod in the form of a cylindrical head with an end surface located perpendicular to the axis of the rod, strengthens the structural strength at the junction, in which there is a through hole.

The implementation of a through transverse hole in the cylindrical head of the mounting rod gives the upper part of the rod the properties of one of the details of the known finger-eye connection. In fact, the through transverse hole serves as an eye in the mounting rod. Thus, the mounting collapsible locking stand provides in the upper part a different kind of connection than in its lower part.

The proposed utility model is illustrated by drawings, where:

in FIG. 1 is a longitudinal section of a mounting collapsible locking stand assembly;

in FIG. 2 is a General view of the mounting collapsible locking stand assembly;

in FIG. 3 - a diagram of the connection of objects using a mounting collapsible locking rack.

The proposed mounting rack (Fig. 1, 2) contains a galvanized metal rod 1. At the lower end of the mounting rod 1, a thread 2 is cut. In the middle part of the rod 1, a cone 3 is machined with a bell, having an inner recess from below. The upper end of the rod 1 is made in the form of a cylindrical head 4, in which there is a through transverse hole.

The elements of the two types of connections together with the mounting locking rack are two bushings 5 and a connecting pin 6 in the upper part of the mounting rod 1 and the sleeve 7 in its lower part. The bushings 5 have through cylindrical internal openings (eyes) and are intended for fastening by external surfaces to one of the connected objects by means of a welding joint. The connecting finger 6 has a locking protrusion on one side. The sleeve 7 has a hexagonal or rectangular outer profile, a recess at the bottom end and is made with a sufficient length, in the range of 120-150 mm. It is intended for fastening by a side face to the second connected object also by welding. The through hole of the sleeve 7 is designed to pass through it the mounting rod 1 until the stop of the bell of the cone 3 on the upper end of the sleeve 7. The thread 2 on the lower end of the shaft 1 is designed to turn the sleeve 8 until it stops into the recess of the lower end of the sleeve 7. The result is a simple and reliable detachable bar connection.

The proposed utility model works as follows on the example of installing a hinged roof umbrella over the ventilation shaft.

Preliminarily, preparatory work should be carried out to secure two bushings 5 and bush 7 on the connected objects.

Metal embedded parts are mounted on the lateral surfaces of reinforced concrete ventilation shafts, and a metal frame is inserted from the corner with metal strips welded to it on the upper end of the brick ventilation shafts, which are located on the side surfaces of the mine. When one roof umbrella is installed above the ventilation shaft to the embedded parts or to metal strips and a corner, four bushings 7 are welded with lateral faces in a vertical arrangement for subsequent placement of four fastening posts in them. In the case when the ventilation shafts on the roof are arranged in a row of two, three or more, 8, 12, etc., are welded to embedded parts or to metal strips and a corner, respectively. bushings 7 for subsequent sectional installation of roof umbrellas.

On a metal frame, which is mounted on the lower supporting surface from the inside of the roof umbrella, the outer surfaces of the sleeve 5 are welded in a horizontal arrangement. For the normal hinged functioning of the roof umbrella, it is enough to weld two pairs of sleeves 5 under two mounting collapsible locking racks, that is, two on opposite sides of the roof umbrella.

When using the utility model on a hinged roof umbrella, on its side opposite to the installation of fixing locking racks, fixing racks must be pre-installed, which in the lower part of the device are similar to fixing locking racks, and in the upper part are made with the function of hinge connection. This allows you to tilt the roof umbrella with the focus of the edge of its cap on the side wall of the ventilation shaft, and then it is also easy to return the umbrella to its original position. At the same time, the fastening hinged racks are passed, as along the guides, through the through slots made for this purpose on the hood of the roof umbrella from the side of these pillars and having a length from the edge of the hood to the metal frame on which it is fixed. This opens up full access to the channel of the ventilation shaft for any kind of work.

At the stage of mounting the hinged roof umbrella to the ventilation shaft, the roof umbrella is manually raised above the ventilation shaft and the lower ends of the rods 1 are inserted into the holes of the bushings 7 welded to the side walls of the ventilation shaft. The design is mounted on the upper ends of the bushings 7 with bells of the cones 3, with all its weight rests on them and fixes the position of the rods 1, preventing them from moving. The support of the structure on the bells of the cones 3 partially relieves the load on the joints in the upper parts of the mounting posts, which increases the reliability of the mounting. Due to the internal recesses available on the lower surfaces of the cones 3, precipitation is prevented from entering the connections of the rods 1 with the holes of the bushings 7.

On the threads 2 of all four rods 1, protruding from under the sleeves 7, screw the sleeves 8 and screw them all the way into the internal recesses available in the lower ends of the sleeves 7. In the assembled position, the lower ends of the sleeves 8 should be located several millimeters below the ends of the rods 1 to avoid atmospheric precipitation in threaded connections.

In a closed, horizontal position, the roof umbrella rests with a metal frame from the inside on the end surfaces of the heads of 4 rods 1 of the fastening locking posts. At the end of the installation, the eyes of the mounting rods 1 and the eyes of the bushings 5 are combined and the connecting fingers 6 are inserted into them into the locking lug all the way to the stop. For this purpose, long bolts without external thread can be used. In this case, fixing on the back of the connecting fingers 6 is not required due to the sufficient reliability of the connection. These compounds are protected from atmospheric precipitation by their location far enough from the edges of the hood cover of the roof umbrella on a metal frame. This keeps the joints dry and clean and maintains their performance regardless of weather conditions for a sufficiently long period.

The proposed mounting collapsible locking stand is universal due to the combination of two different mounting functions significantly facilitates the work of public utilities. The finger-eye connection in the upper part of the locking rack secures the hinged roof umbrella in a closed horizontal position, and the detachable threaded connection in its lower part allows you to easily and quickly completely remove the hinged roof umbrella.

Claims (1)

Mounting collapsible rack, made in the form of a mounting rod with a thread in the lower part and a cone located downward in the middle part, characterized in that the upper part of the mounting rod is made in the form of a cylindrical head, the end surface of which is perpendicular to the axis of the rod and in which has a through transverse hole.

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