RU209125U1 - DRAINING DEVICE OF RAILWAY TANK CAR - Google Patents

Abstract

The utility model relates to railway transport, in particular to the designs of drain devices of railway tank cars for the transport of liquid cargo with a triple degree of protection. The drain device contains a drain pipe (1) with upper and lower locking devices located in the upper (2) and lower (4) parts of the drain pipe (1), and a shut-off body (5) located in the middle part (3) of the drain pipe ( 1) with the possibility of reciprocating movement with the help of the control drive (6) in a direction different from the direction of the axis of the drain pipe (1), ensuring that in the extreme extended position the full opening of the flow section of the drain pipe (1). The technical result, which consists in increasing the operational efficiency of the drain device of a railway tank car, is achieved by the fact that the shut-off body (5) is installed at an inclination relative to the longitudinal axis of the drain pipe at an angle α in the range from 45° to 85°, while the axis of the upper ( 2) and the lower (3) parts of the drain pipe (1) are displaced relative to each other by a distance P, determined by the ratio: P=Ncosα, where N is the height of the middle part of the drain pipe. 2 w.p. f-ly, 3 ill.

Description

The utility model relates to railway transport, in particular to the designs of drain devices of railway tank cars for the transport of liquid cargo with a triple degree of protection.

From the prior art, a shut-off device for drain devices of railway tank cars (RU 92503, F16K 1/22, B61D 5/00, B67D 7/02, publ. installed in the housing, while the locking element is made in the form of a rotary disk and is installed on the inlet pipe in an inclined plane with respect to the section of the pipe, while the rotary disk is connected to the forced closing-opening mechanism mounted on the stem with an end for a removable handle.

A shut-off and drain device for a railway tank car is known (RU 170721, B61D 5/00, B65D 90/54, publ. 05/04/2017), containing a drain pipe installed in the lower part of the boiler, upper and lower locking devices and a shutter made in the form of a flat element mounted on the drain pipe with the possibility of reciprocating movement in a direction different from the direction of the axis of the drain pipe, with provision in the extreme extended position of the full opening of the flow section of the drain pipe, controlled by a control drive, made in the form a lead screw with a steering wheel attached to its free end and attached to the side of the main beam (prototype). This device is aimed at improving the ease of use, expressed in access to the steering wheel of the control drive for personnel.

A common technical problem solved by the creation of the claimed utility model is to increase the operational efficiency of the drain device of a railway tank car by providing access to the drain device from both sides of the railway tank car, while ensuring a high discharge rate of liquid cargo and safety in operation, providing the necessary distance from the lower mating plane of the drain device to the level of the rail head.

The technical result of the claimed utility model is to increase the operational efficiency of the drain device of a railway tank car.

The technical result is provided by a drain device of a railway tank car, containing a drain pipe with upper and lower locking devices located in the upper and lower parts of the drain pipe, and a shut-off body located in the middle part of the drain pipe, in which the shut-off body is installed at an inclination relative to the longitudinal axis drain pipe at an angle α, maintained in the range from 45 to 85 °, while the axes of the upper and lower parts of the drain pipe are offset relative to each other by a distance P, determined by the ratio:

P=Ncosα,

where N is the height of the middle part of the drain pipe.

As a development of the utility model, the angle α can be maintained in the range from 50 to 80°; distance P can be made from 5 to 60 mm.

A comparative analysis with the prototype shows that the proposed drain device of the railway tank car differs from the prototype in that the shut-off body is installed at an angle relative to the longitudinal axis of the drain pipe at an angle α, maintained in the range from 45° to 85°, while the axes of the upper and lower parts of the drain pipe are displaced relative to each other by a distance P, determined by the ratio:

P=Ncosα,

where N is the height of the middle part of the drain pipe;

angle α can be maintained in the range from 50 to 80°; distance P can be made from 5 to 60 mm. Such a difference from the prototype gives reason to assert that the proposed technical solution meets the criterion of patentability of a utility model - "novelty".

The proposed utility model is illustrated by graphic material, where in Fig. 1 shows a main view of the discharge device of a railway tank car; in fig. 2 is a schematic representation of the drain pipe of the drain device; in fig. 3 - an example of the implementation of the claimed drain device installed on a railway tank car.

The drain device of the railway tank car (Fig. 1, 2) contains a drain pipe 1, made of three parts: the upper part 2, the middle part 3 and the lower part 4, with the upper and lower locking devices (positions not shown) located at the top part 2 of the drain pipe 1 and the lower part 4 of the drain pipe 1, respectively, and a shut-off body 5 located in the middle part 3 of the drain pipe 1 with the possibility of reciprocating movement using the control drive 6. In this case, the free end of the control drive 6 is made, for example, in the form of a steering wheel.

The technical result, which is to increase the operational efficiency of the drain device of the railway tank car, is achieved as follows.

The locking body 5 is installed at an inclination relative to the longitudinal axis of the drain pipe 1 at an angle α relative to the longitudinal axis of the drain pipe 1, maintained in the range from 45 to 85°.

The axis of the upper part 2 of the drain pipe 1 and the lower part 3 of the drain pipe 1 are offset relative to each other by a distance P, determined by the ratio:

P=Ncosα,

where N is the height of the middle part of the drain pipe.

Such a design of the drain device of a railway tank car (Fig. 3) provides convenient access to open / close the drain device from both sides of the tank car and at the same time provides a high speed of draining liquid cargo, fulfills the requirements of GOST 20772 on the distance from the lower mating plane drain device to the level of the rail head in the assembled railway tank car, which must be at least 575 mm in order to fit into the lower outline of the dimension and unhindered connection of the installation with a USNG-type telescopic hydromonitor.

Making the angle α more than 85° will not ensure the achievement of the technical result, since it will require the placement of the steering wheel or part of the steering wheel above the level of the lower shelves of the center beam 8 of the frame 9 of the tank car, which will create obstacles for access to the steering wheel, and also lead to the complication of the design of the control drive 6. Making the angle α less than 45° will not ensure the achievement of the technical result, will lead to a violation of the requirements, and will critically reduce the flow area of the drain pipe. It is preferable to make the angle α in the range from 50 to 80°. In this case, access to the steering wheel from both sides of the tank car will be provided and the capacity of the drain pipe 1 will not be significantly reduced.

The displacement of the axis of the upper part 2 of the drain pipe 1 and the axis of the lower part 4 of the drain pipe 1 relative to each other by a distance P provides a high drain rate. In the absence of such a shift, the rate of discharge of liquid cargo through the drain device of the railway tank car will decrease due to partial blocking of the through hole due to the inclined location of the shut-off body 5, namely its damper in the closed position, which will negatively affect the operational efficiency of the proposed drain device of the railway car - tanks due to increased unloading service time.

As a development of the utility model, the distance P can be made from 5 to 60 mm. Making the distance P less than 5 mm will not ensure the achievement of the technical result, since it will require the placement of the steering wheel or part of the steering wheel above the level of the lower shelves of the spinal beam 8 of the frame 9 of the tank car, which will create obstacles to access to the steering wheel. Making the distance P more than 60 mm will not ensure the achievement of the technical result, since it will require additional unloading service time due to a critical decrease in the through hole of the drain pipe 1 and, accordingly, a decrease in the drain rate.

The utility model works as follows.

The drain device of a railway tank car is assembled from a drain pipe 1, which is made of three parts: the upper part 2, the middle part 3 and the lower part 4, and from three sequentially located and independently controlled gates: the upper gate (not shown in position), the lower gate (position not shown) and a shut-off body 5. The shut-off body 5 is located in the middle part 3 of the drain pipe 1 so that the axis of the shut-off body 5 is made at an angle α relative to the axis of the drain pipe 1, maintained in the range from 45° to 85°. In this case, the axes of the upper part 2 and the lower part 4 of the drain pipe 1 must be displaced relative to each other by a distance P, determined by the claimed ratio. Then the control drive 6 is mounted, the free end of which is made, for example, in the form of a steering wheel, which will provide effective access to the steering wheel from both sides of the railway tank car. Such a design of the utility model provides for the convenience of mounting a compact draining device of a railway tank car. To open the locking body 4, the free end of the control drive 6 is rotated, which, being located under the spinal beam 8 of the frame 9 of the railway tank car (Fig. 3), is conveniently and safely accessible for personnel from both sides of the railway tank car, and discharge of liquid cargo.

Thus, the proposed utility model allows you to create a compact drain device with a triple degree of protection with increased operational efficiency.

Claims (3)

1. The drain device of a railway tank car, containing a drain pipe with upper and lower locking devices located in the upper and lower parts of the drain pipe, and a shut-off body located in the middle part of the drain pipe, characterized in that the shut-off body is installed at an inclination relative to the longitudinal the axis of the drain pipe at an angle α, maintained in the range from 45° to 85°, while the axes of the upper and lower parts of the drain pipe are shifted relative to each other by a distance P, determined by the relation: P = Ncos α, where N is the height of the middle part of the drain pipe . 2. Drainage device according to claim 1, characterized in that the angle α is maintained in the range from 50° to 80°. 3. Drainage device according to claim. 1, characterized in that the distance P is from 5 mm to 60 mm.

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