KR101747804B1 - Carbody for two cilumn loading freight railcar - Google Patents

Abstract

The present invention relates to a two-stage car body for a railway vehicle, And a rear portion of the first and second support protrusions protrudes upward to support one side of a lower portion of the two-layer container placed on the upper portion of the one-layer container. do.
According to the present invention, since the containers can be stacked in two stages, it is possible to improve the transportation volume of the cargo compared with the conventional one-time loading and to reduce the costs associated therewith, thereby enhancing the railroad logistics competitiveness.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a car body for a two-

The present invention relates to a car body for a two-tiered railway vehicle, and more particularly, to a railway car which is designed to have a length longer than that of a conventional car, ) To reduce the floor of the vehicle body.

Generally, a freight train (freight car) means a train composed of railway vehicles for cargo transportation.

There are various kinds of wagons currently in operation in our country, such as wagons, unlined wagons, flat wagons, container wagons, container wagons, and the like. Is a freight car that does not have a roof on the loading car. It means that the freight is not wetted like long cargo or oversized cargo or anthracite, ore, It carries the cargo which does not have the possibility of burning, and the unlocated car also includes general car, hopper car and gravel car.

As a typical example of such a freight car, a general structure of a container freight car is proposed in Japanese Patent Application Laid-Open No. 10-2013-0100576, and a container freight car which is applied in Korea is a container freight car or a two- And a cargo truck.

FIG. 1 is a view showing a container flat wagon used in a domestic market, in which a 40-foot container or two 20-foot containers are mounted on a wagon, FIG. 2 is a view showing a container two- well type) to lower the floor of the vehicle and load two 40-foot containers in two stages.

However, the height of the domestic catacombs is at least 5.2m, which is lower than the height of catamarans in the countries where the two-tiered trains are operated (US 7.1m, China 6.6m, India 7.5m) And China (25 tons).

Therefore, containerized cars operated in Korea are required to increase the volume of transportation, such as two-stage cargo, in order to secure competitiveness.

Reference literature: Published Patent No. 10-2013-0100576

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a two-stage car body for a railway vehicle which is improved in structure to increase the volume of container transportation using a railway.

Particularly, the present invention provides a two-stage car body for a vehicle having a structure in which the length of the car body is designed to be longer than that of the existing one while the container is loaded in two stages (or two layers) It has its purpose.

In order to solve such a technical problem,

And a rear portion of the first and second support protrusions protrudes upward to support one side of a lower portion of the two-layer container placed on the upper portion of the one-layer container. The present invention provides a two-stage car body for a railway vehicle.

In this case, the one-story container which is seated in the seating groove portion is one 40-foot container.

The one-layer container which is seated in the seating groove portion is characterized by being two 20-foot containers.

The two-layer containers are two 40-foot containers.

In addition, the vehicle body has a curved structure in which a central portion is lowered and a front portion and a rear portion are increased, and forward and rearward brakes are provided below the front and rear portions of the vehicle body, and a center portion of the vehicle body is a low-profile structure.

In this case, the forward and rearward brakes are three-axle bogies in which two axles are arranged side by side in order to improve the axial load.

A side wall is formed on both sides of the center of the vehicle body to support left and right side surfaces of the one-layer container, and a seating groove portion capable of loading the one-layer container is formed.

In this case, the side walls are reinforced with a steel material having a truss structure.

The first and second support protrusions are formed to have the same height as the one-layer container mounted on the seating groove.

In addition, the first and second supporting protrusions are provided with a container fixing part for supporting the edges of the two-layer container.

In addition, a corner guide is provided at an edge of the seating groove.

At this time, the edge guide is formed with a corner guiding surface that slopes outward toward the upper portion so as to guide the corner portion of the one-layer container.

In addition, a lateral guide is provided on both side edges of the middle portion of the seating groove.

At this time, the side guides are formed with side guide surfaces that are inclined outward toward the upper side so as to guide both side portions of the one-layer container.

Further, the side guides are further provided with a partition protrusion on the lower side.

According to the present invention, since the containers can be stacked in two stages, it is possible to improve the transportation volume of the cargo compared to the conventional one-time loading and to reduce the costs associated therewith, thereby enhancing the railroad logistics competitiveness.

In addition, according to the present invention, the car body is made low in the central part and formed in a well type in the first half and the second half, and the side walls are reinforced by the truss structure in consideration of the strength and deflection, So that the competitiveness of the container car can be secured.

1 is a view showing an example of a conventional container flatbed wagon.
2 is a view showing an example of a conventional container two-stage cargo truck.
3 is a conceptual view of a vehicle body for a two-stage car of a railway vehicle according to the present invention.
4 is a view showing the frame structure of the two-end car body.
FIG. 5 is a view for explaining a corner guide provided at the inner edge of the seating groove shown in FIG.
FIG. 6 is a view for explaining a side guide provided at both side edges of the middle portion of the seating groove shown in FIG.

Hereinafter, the features of the railway car according to the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It should be understood that various equivalents and modifications may be present.

3 to 6, the car body 100 for a two-stage car of a railway vehicle according to the present invention can load up to three 40-foot containers at a time, or two 40-foot containers and two 20- And it is possible to improve the competitiveness of freight transportation by greatly increasing the volume of container transportation using railroad.

The two-stage car 1 includes a car body 100 on which a container capable of accommodating cargo can be loaded, and cargo trucks 200 and 200 'provided on the lower portion of the car body 100.

The bogie 200, 200 'is disposed at a lower portion of the vehicle body 100 according to the present invention. The bogie 200, 200' includes a bogie frame and a plurality of wheel shafts provided at both ends of the bogie, .

The bogie frame may include two side-by-side frames arranged in parallel at regular intervals and at least one cross-beam connecting the longitudinal support frames.

Such a bogie frame may be made of a metal material, but it may be made of a fiber reinforced composite material if necessary.

A center pivot for transmitting a pulling force between the bogie 200, 200 'and the vehicle body 100 may be provided at the center of the bogie frame.

The bogies 200 and 200 'applied to the vehicle body of the present invention can use two axle bogies having two axes of rotation. However, in order to improve the competitiveness of the cargo transportation, the bogies 200 and 200' For improvement, three axle bogies are used which are arranged side by side.

The bogie 200, 200 'and the vehicle body 100 are naturally equipped with various types of shock absorbers for absorbing the shock transmitted when the vehicle is traveling.

The car body 100 for a two-stage car according to the present invention provided on the upper part of such a railroad car has a seating groove part 110 in which a lower portion of the first-layer container C1 can be seated at the center, The first and second support protrusions 120 and 130 are upwardly protruded so as to support one lower side of the two-layer containers C2 and C2 'mounted on the one-layer container C1, Lt; / RTI >

Hereinafter, the present invention will be described in more detail.

First, the container that can be loaded through the vehicle body 100 for two-stage car loading of a railway vehicle according to the present invention is a standardized 40-foot container or a 20-foot container.

The 40-foot container is approximately 12 m long, 2.4 m wide and 2.6 m high, and the 20-foot container is approximately 6 m long, 2.4 m wide and 2.6 m high. Thus, two 20-foot containers in a row and two in a longitudinal direction match the specifications of a 40-foot container.

In the meantime, the vehicle body 100 is manufactured by integrally welding a plurality of steel frame frames, or assembling them together through bolt and nut assemblies. In the center, a first-layer container C1 is loaded, It is possible to load the two-layer container (C2, C2 ') in a loaded state.

To this end, the vehicle body 100 has a curved structure in which a central portion is lowered and a front portion and a rear portion are raised, and front and rear trucks 200 and 200 'are provided below the front and rear portions of the vehicle body 100, respectively. .

On both sides of the central portion of the body 100, a side wall 112 is formed so as to support the left and right sides of the first-layer container C1 to form a seating groove 110 in which the first-layer container C1 can be loaded. It is preferred that one 40 foot container or two 20 foot containers have a seating area and the depth is maintained between 1/3 and 1/2 of the height of the 40 foot or 20 foot container.

At this time, it is preferable that the body 100 should consider the strength and deflection (camber 17 mm or less), and the side wall 112 has a structure reinforced with a steel material having a truss structure.

Therefore, the one-story container C1 to be mounted in the seat groove 110 formed at the center of the vehicle body 100 is one 40-foot container or two 20-foot containers.

The front and rear supporting protrusions 120 and 130 protruding upward in the front half and the rear half of the body 100 are formed to have the same height as the one-layer container C1 mounted on the seating groove 110

Further, in order to secure the stability of transportation, the two-layer containers C2 and C2 ', which are stacked in the two stages after the two-layer containers C2 and C2' are loaded, are secured to the first and second support protrusions 120 and 130, It is preferable to support the four corners of the two-layer containers C2 and C2 'and to have the container fixing portions 122 and 132 therebetween.

Particularly, according to this structure, since the container fixing portions 122 and 132 are provided only on the four sides of the first and second supporting protrusions 120 and 130, it is unstable to continuously stack 20 feet containers. Therefore, It is preferable to continuously laminate.

The vehicle body 100 is mounted on the vehicle body 100 so that two 40-foot containers can be continuously stacked as the two-layer containers C2 and C2 'on the first and second half portions 120 and 130 and the first- ) Is designed to be long.

A corner guide 140 is provided at an edge of the seating groove 110 so that the container can be safely guided when the container C1 for a first floor is mounted on the car body 100 by a reach stacker for container transportation.

At this time, the edge guide 140 has an edge guiding surface 142 that slopes outwardly toward the upper part. When the first-layer container C1 is carried and lowered, the corner portion of the first- 140 along the corner guiding surface 142 to be stably seated.

In this case, the first-layer container C1 has four corner portions in the case of one 40-foot container and the corner portion on the outer side in the case of the two 20-foot containers forms the corner guide 140 at the inner edge of the seating groove 110 So that it is guided stably.

In addition, a lateral guide 150 is provided on both side edges of the middle portion of the seating groove 110.

At this time, the side guide 150 also has a side guide surface 152 inclined outwardly toward the upper part. When the first-layer container C1 is carried and lowered, both side portions of the first- And guided along the side surface guide surface 152 of the main body 150 so as to be stably seated.

Particularly, in the case where two 20-foot containers are stacked in the one-story container C1, the side guides 150 are provided with the partition protrusions 154 at the lower central portion, It is possible to stably support the corner located at the bottom of the frame.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. The scope of protection of the present invention should be construed under the following claims, and all technical ideas within the scope of equivalents thereof should be construed as being included in the scope of the present invention.

1: Two-stage cargo car 100: Car body
110: seat groove 112: side wall
120: Overall supporting protrusion 122: Container fixing part
130: second half support portion 132: container holding portion
140: corner guide 142: corner guide surface
150: side guide 152: side guide surface
154: block protrusion 200, 200 ': truck
C1: Container for first floor C2, C2 ': Container for second floor

Claims (15)

A bottom portion of the one-layer container having two 20-foot containers is seated in the center portion, and a bottom portion of the one-layer container is seated in the front portion and the rear half portion. And a lower inner side of the two-layer container is mounted on the upper portion of the one-layer container,
A front and a rear bogie are provided on the lower half of the front half and the rear half of the vehicle body,
A side wall having a structure reinforced by a steel material having a truss structure is formed on both sides of a central portion of the vehicle body so as to support both left and right sides of the one-story container,
Wherein the first half and second half supporting protrusions are provided with a container fixing part formed to have the same height as the height of the one-layer container stacked on the seating groove part to support the outer edge of the two-
A corner guide having a corner guiding surface that is inclined outward toward the upper side is provided on the corner of the seating groove so as to guide the outer corner of the two-
A lateral guide having a side guide surface inclined outwardly toward an upper side is provided at both side edges of the middle portion of the seating groove so as to guide an inner corner portion of the two-
Wherein the side guide is formed with a partition protrusion at a lower central portion to support an inner corner portion of the one-layer container made of the 20-foot container.
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