RU170104U1 - CONTAINER-TANK WITH HATCH FROM COMPOSITE MATERIALS - Google Patents

Abstract

The utility model relates to tanks for storing and transporting aggressive liquids and can be used by rail, road, river transport, as well as for ground tanks. SUBSTANCE: tank container with a hatch made of composite material contains a boiler 1 with a cylindrical part 2 on which the hatch is placed 3 (Fig. 1), consisting of the supporting part of the neck 4 (Fig. 2), made as a single integral structure, under the base of which there is a mortgage element 5, fixed by screws 6. The mortgage element 5 is made in ide metal ring, on the perimeter of which are welded brackets for mounting 7 hinged bolts 8 for fixing the lid cover 9.Tehnicheskim result utility model is to improve the strength characteristics of the compound node. 2 ill.

Description

The utility model relates to containers for storing and transporting aggressive liquids and can be used by rail, road, river transport, as well as for ground tanks.

A known container containing a container with a hatch, an element of which is mounted on the cylindrical part of the boiler by means of a flange made with the said element in one piece (EP No. 0247865, 1987). In this solution, the hatch is a single structural element mounted on the tank from the outside. With this design, a guaranteed connection and firm fixation to the surface are not ensured, and an increased stress concentration due to an excess of welds causes a decrease in the operational reliability of the entire structure.

Also known is the design of the tank shell of the layered composite material, in which an element with a shank, made of composite material and embedded between the layers of the hollow body, is installed (FR No. 2088110, 1970). In the known design, the annular tubular element is not able to withstand external axial and radial loads due to the unreliability of its fastening to the wall of the housing. Thinning of the latter due to its splitting in the zone of the hole will inevitably lead to a violation of the integrity of the connection, extrusion of the shank of the tubular element, loss of operational reliability of the entire structure. In addition, the wall structure is weakened by openings in the areas of the lid attachment: cutting of the reinforcing fibers generates stress concentration sites in the structure.

A known design of a tank container with a hatch made of composite materials (RF patent No. 2076514 dated 03/27/97). The known design relates to containers for storing and transporting aggressive liquids. In this design, the hatch is made of composite material and its fastening is made on the inner surface of the boiler using an annular tubular element with a shank placed in the cavity of the boiler around the perimeter of the hatch hole. Its fastening to the boiler wall is made by means of a support liner made of composite material, where the support liner is made in the form of a cylindrical segment with an inner contour corresponding to the outer surface of the shank of the tubular element and with an outer contour corresponding to the inner surface of the boiler wall in the area of the hatch hole. Outside, a metal shell is put on the hatch for attaching a metal cover, supported on the wall of the boiler through an intermediate ring.

This technical solution, the closest in technical solution to the proposed one in terms of features, is selected as a prototype.

However, this design has several disadvantages:

only the adhesive connection of the end of the shank and the support liner with the inner surface of the tank without additional fastening can lead to the destruction of the connection during operation of the node;

high probability of destruction of the intermediate ring made of composite material due to exposure to loads from internal pressure transmitted by the metal shell;

the presence of an external insulating coating of the connection node is not a reinforcing sign, but only protection from external influences.

The claimed technical solution allows to eliminate the above disadvantages and create a connection node with high strength characteristics.

The task to which the claimed utility model is directed is to increase the operational reliability of the tank container, expanding the service life of the connection.

This achieves the following technical result: increasing the strength characteristics of the connection node.

To achieve the specified technical result in a tank container containing a container made of composite material with an opening for the neck of the hatch on its cylindrical part and an installed hatch in the hole of the container, fastened with it with a neck of composite material around the perimeter of the hatch hole and the wall of the tank by means of a support insert from the composite material connected to the surface of the container with an adhesive joint and made in the form of a ring, the outer surface of which repeats the inner surface the wall of the tank in the area of the hatch hole, the peculiarity is that the neck of the hatch is attached to the cylindrical part of the tank by means of the supporting part of the neck, under the base of which there is a mortgage element. The embedded element is made in the form of a metal ring, around the perimeter of which brackets are welded for installing hinged bolts for attaching the manhole cover. In addition, additionally tighten the screws with the wall of the tank.

Signs that distinguish the proposed technical solution from the closest known to it is the fastening of the neck of the hatch to the cylindrical part of the tank, which is made by means of the supporting part of the neck. Under the base of the supporting part there is a mortgage element in the form of a metal ring, around the perimeter of which brackets are welded for installing hinged bolts, for fixing the manhole cover and additionally pulled together with screws to the tank wall.

These distinctive features are significant, as they are aimed at solving the problem and achieving the claimed technical result.

The supporting part of the neck, under the base of which there is an embedded element, makes it possible to distribute the load over a larger surface area of the tank, eliminating the concentration of stress in individual zones, as well as the uneven load from the action of vertical forces. And the implementation of the embedded element in the form of a metal ring makes it possible to install brackets for hinged bolts, thereby providing strength indicators even with significant loads on the neck of the container from internal pressure. As a result, such a neck mount still allows the neck height to be reduced. Which, in turn, makes it possible to fit the container into the container (requirement of standards).

The analysis of the prior art by the applicant, including a search by patent and scientific and technical sources of information containing information about analogues of the claimed solution, allowed to establish that the applicant did not find an analogue characterized by the features of the claimed technical solution. Therefore, the claimed utility model meets the condition of "novelty."

The combination of new essential features with common known ones led to the creation of a new, highly efficient joint assembly as a single integral structure with increased strength characteristics. The application of this technical solution will expand the service life of the connection and increase the operational reliability of the tank container, i.e. to make a high-quality connection unit, which is necessary for the proposed list of goods.

The essence of the claimed technical solution is illustrated by drawings:

FIG. 1 - general view of the container tank;

FIG. 2 - remote element A.

Claims (1)

A tank container containing a container made of composite material with an opening for the neck of the hatch on its cylindrical part and an installed hatch in the hole of the container, fastened with it with a neck of composite material around the perimeter of the hatch hole and the wall of the tank by means of a support insert made of composite material connected to the surface of the tank glue connection and made in the form of a ring, the outer surface of which repeats the inner surface of the vessel wall in the area of the hatch hole, I distinguish the fact that the hatch neck is attached to the cylindrical part of the tank by means of the throat support part, under the base of which there is a mortgage element made in the form of a metal ring, along the perimeter of which brackets for installing hinged bolts for fastening the manhole cover are welded and additionally tightened with screws to the tank wall .

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