CN202029861U

CN202029861U - Chassis of railway heavy-load freight flatcar

Info

Publication number: CN202029861U
Application number: CN2011200465640U
Authority: CN
Inventors: 孙纯旭; 杨清义; 钱士凤; 张楠
Original assignee: CSR Yangtze Co Ltd
Current assignee: CRRC Yangtze Co Ltd
Priority date: 2011-02-24
Filing date: 2011-02-24
Publication date: 2011-11-09
Anticipated expiration: 2021-02-24

Abstract

A railway heavy-duty freight flat car underframe, comprising a center beam, side beams located on both sides of the center beam, end beams fixed at the longitudinal ends of the center beam and the side beams, and a and the corbel between the side beams. The center sill is composed of the center sill lower cover plate, the center sill upper cover plate, and two center sill webs longitudinally arranged between the center sill lower cover plate and the center sill upper cover plate. A center beam partition is arranged at intervals in the inner cavity. The upper cover plate of the middle sill, the lower cover plate of the middle sill and the web of the middle sill are all tailor-welded from steel plates of different thicknesses. A lock seat beam is arranged between the middle beam and the side beam, and a container lock seat is arranged on it. A binding rod seat is arranged on the outside of the side beam, and a binding ring seat is arranged on the outside of the end beam. The underframe of the heavy-duty railway freight flat car of the utility model is equipped with a bogie with a large axle load of 40t, which can make the design load of the whole vehicle reach 100t, and is suitable for heavy engineering equipment, various container combinations and bulk cargo transportation.

Description

Heavy-Haul Railway shipping flatcar underframe

Technical field

The utility model relates to the Heavy-Haul Railway load carrying vehicle, refers to a kind of Heavy-Haul Railway shipping flatcar underframe that is applicable to heavy engineering equipment, the combination of multiple freight container and spare parts of goods transportation particularly.

Background technology

At present, the China Railway Freight flatcar mainly contains following series:

1. flat car special used for container: this series comprises early stage the NJ series and the X series in later stage;

2. the dual-purpose flatcar of flatcar-freight container: but this series except that the shipping mark freight container, but also loading machinery equipment and spare parts of goods comprise with NX17 being the 60t level flatcar of representative and being the 70t level flatcar of representative with NX70;

3. double-deck container flat car: this series can be loaded and transported two-layer standard container up and down, and representative vehicle has X2K, X2H;

4. carry the back of the body-container lorry on the back: but both shipping mark freight container of this series can load and transport the highway semi-trailer again, to implement the through transport of various ways.

Because the railway freight flatcar is based on the transportation standard container, keystone configurations such as its body construction, locking device are all similar.In order to load and transport spare parts of goods and mechanized equipment, improve its commonality, on flat car special used for container, add structures such as installed floor and floor stringer thereof and developed dual-purpose flatcar.Two serial flatcars of the dual-purpose flatcar of flat car special used for container and flatcar-freight container are general flatcar, and domestic to have quantity maximum.Double-deck container flat car is a flatcar newly developed in recent years with carrying two serial flatcars of the back of the body-container lorry on the back, is subjected to the restriction of railway clearance and China's actual conditions, and its application space is difficult to enlarge.

The technical development of railway freight flatcar largely relies on the development of bogie technique and develops.At present, the maximum heavy bogie truck of 40t macro-axis that adopts of China is subjected to the restriction of its load-carrying capacity, and the load limit of railway freight flatcar is in 70t level and following level.This especially is restricted transporting the complete machine equipment that can not disassemble more than the 70t for loading the above goods of 70t, can only transport by the extremely low special-use vehicle with multi axle truck of specific limited and Occupation coefficient is arranged, and the traffic cost height, conveying efficiency is low.

Summary of the invention

The purpose of this utility model is exactly to provide a kind of load-carrying big and be applicable to the Heavy-Haul Railway shipping flatcar underframe of heavy engineering equipment, the combination of multiple freight container and spare parts of goods transportation.

For achieving the above object, the designed Heavy-Haul Railway shipping flatcar underframe of the utility model comprises central sill, is positioned at the curb girder of central sill both sides, is fixed on the end carriage at central sill and the vertical two ends of curb girder, and it is inboard and be fixed on sleeper beam between central sill and the curb girder to be arranged at two end carriages.Described central sill by central sill lower cover, central sill upper cover plate and vertically be arranged in the central sill lower cover and the central sill upper cover plate between two middle webs constitute, be fish belly deformation cross section box-structure; Be furnished with the central sill dividing plate in the described box-structure inner chamber at interval.

Further, in order to improve the load-carrying capacity of underframe, make things convenient for the freight container locking, four jiaos of places of the framework that described central sill and curb girder surrounded are provided with the longitudinal beam that two ends are welded in end carriage and sleeper beam respectively admittedly; Between the curb girder of described central sill and both sides and the clear width that is positioned at the two ends sleeper beam be furnished with lock crossbeam and supporting traverse; The framework top that described central sill and curb girder surround is provided with the floor.

Described lock crossbeam by crossbeam lower cover, crossbeam upper cover plate and vertically be arranged in the crossbeam lower cover and the crossbeam upper cover plate between two cantilever diaphragms constitute, be box-structure; Described lock crossbeam is furnished with cross member dash near between two cantilever diaphragms of curb girder one end; Described cross member dash top is provided with the freight container lock, and the freight container lock is affixed as crossbeam upper cover plate extendible portion and lock crossbeam.

Again further, alleviate dead weight of vehicle in the time of for proof strength, described central sill upper cover plate, central sill lower cover and middle web are by the welding of different-thickness steel plate and form.

Further, for the ease of when loading and transporting loose mail goods being fixed, the curb girder outside of described both sides is vertically arranged with the binding pole socket; The end carriage arranged outside at described two ends has the binding ring seat.

Advantage of the present utility model is: the central sill of designed Heavy-Haul Railway shipping flatcar underframe is for to be made of central sill lower cover, central sill upper cover plate and two middle webs, be fish belly deformation cross section box-structure, and central sill upper cover plate, central sill lower cover and middle web are by the welding of different-thickness steel plate and form, the equal strength design has improved the load-carrying capacity of underframe effectively, has reduced dead weight of vehicle simultaneously.

Be arranged at the load-carrying capacity that lock crossbeam between central sill and the curb girder and supporting traverse have improved underframe.The freight container lock is set on the lock crossbeam can lock to it when the delivery freight container.The binding pole socket that the curb girder outside vertically is provided with and the binding ring seat of end carriage arranged outside can fix goods when the shipment loose mail, and the binding position are unfixing, has alerting ability.The heavy bogie truck of the utility model Heavy-Haul Railway shipping flatcar underframe assembling 40t macro-axis can make the car load design load reach 100t, is applicable to heavy engineering equipment, the combination of multiple freight container and spare parts of goods transportation.

Description of drawings

Fig. 1 is the utility model Heavy-Haul Railway shipping flatcar Undercarriage structure scheme drawing.

Fig. 2 is a central sill structural representation shown in Figure 1.

Fig. 3 is a lock beam structure scheme drawing shown in Figure 1.

Fig. 4 is the local enlarged diagram of the A portion of Fig. 1.

Fig. 5 is the local enlarged diagram of the B portion of Fig. 1.

The specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

As shown in Figure 1, Heavy-Haul Railway shipping flatcar underframe of the present utility model is all steel welded structure, comprise central sill 1, be positioned at central sill 1 both sides curb girder 2, be fixed on the end carriage 3 at central sill 1 and curb girder 2 vertical two ends, and it is inboard and be fixed on sleeper beam 4 between central sill 1 and the curb girder 2 to be arranged at two end carriages 3.Curb girder 2 is a H shaped steel, and end carriage 3 is the L shaped structure of die mould.

Central sill 1 is for to be formed by the high-strength weathering steel assembly welding, and its structure as shown in Figure 2.It by central sill lower cover 1b, central sill upper cover plate 1c and vertically be arranged in central sill lower cover 1b and central sill upper cover plate 1c between two middle web 1a constitute, be fish belly deformation cross section box-structure.Be furnished with central sill dividing plate 1d in the box-structure inner chamber at interval.In order to alleviate car body weight saving in material, under the prerequisite that satisfies the strength and stiffness requirement, central sill upper cover plate 1c, central sill lower cover 1b and middle web 1a take the welding of different-thickness sheet material to form according to stress distribution law.In the practical application, in the inner chamber of the both ends of central sill 1, weld integrated impact seat 12 and C level cast-steel integral center filler 13 admittedly.

Four jiaos of places of the framework that central sill 1 and curb girder 2 are surrounded are provided with the longitudinal beam 5 that two ends are welded in end carriage 3 and sleeper beam 4 respectively admittedly.Between the curb girder 2 of central sill 1 and both sides and the clear width that is positioned at two ends sleeper beam 4 be furnished with lock crossbeam 6 and supporting traverse 7, be used to disperse concentrated load.The framework top that central sill 1 and curb girder 2 surround is provided with the floor 8 that thickness is 8mm.

Lock crossbeam 6 structures as shown in Figure 3, by crossbeam lower cover 6b, crossbeam upper cover plate 6c and vertically be arranged in crossbeam lower cover 6b and crossbeam upper cover plate 6c between two cantilever diaphragm 6a constitute, be box-structure.Lock crossbeam 6 is furnished with cross member dash 6d near between two cantilever diaphragm 6a of curb girder 2 one ends, cross member dash 6d top welding freight container lock 9, and freight container lock 9 is welded as a whole as extendible portion and the lock crossbeam 6 of crossbeam upper cover plate 6c.Be welded with 16 freight container locks 9 on the underframe, the tapered end that model is CEL-LOCK, TKH-LL can be installed on the freight container lock 9, this tapered end can take out from freight container lock 9 when flatcar does not does not load and transport freight container, does not influence the shipment of other goods.

Curb girder 2 outsides of both sides are vertically arranged with binding pole socket 11, and the binding position is unfixing, has alerting ability, as shown in Figure 4; End carriage 3 arranged outside at two ends have binding ring seat 10, as shown in Figure 5.

Claims

1. An underframe of a railway heavy-duty freight flat car, comprising a center beam (1), side beams (2) positioned on both sides of the center beam (1), fixed on both sides of the center beam (1) and side beams (2) in the longitudinal direction The end beam (3) at the end, and the corbel (4) arranged inside the two end beams (3) and fixed between the middle beam (1) and the side beam (2), is characterized in that: the middle beam ( 1) It consists of the center sill lower cover plate (1b), the center sill upper cover plate (1c) and two center sill webs longitudinally arranged between the center sill lower cover plate (1b) and the center sill upper cover plate (1c) (1a) is composed of a fish-belly-shaped box-shaped structure with variable cross-section; middle beam partitions (1d) are arranged at intervals in the inner cavity of the box-shaped structure.

2. The underframe of the heavy-duty railway freight flat car according to claim 1, characterized in that: the four corners of the frame surrounded by the middle beam (1) and the side beams (2) are provided with two ends respectively fixedly welded to The longitudinal beams (5) of the end beams (3) and the corbels (4); between the middle beam (1) and the side beams (2) on both sides and at the inner sides of the corbels (4) at both ends are arranged at intervals A lock seat beam (6) and a supporting beam (7); a floor (8) is arranged above the frame surrounded by the middle beam (1) and the side beams (2).

3. The underframe of railway heavy-duty freight flat car according to claim 2, characterized in that: the lock seat beam (6) is composed of a lower beam cover plate (6b), an upper beam cover plate (6c) and a vertically arranged Two beam webs (6a) between the beam lower cover plate (6b) and the beam upper cover plate (6c) form a box-shaped structure; the lock seat beam (6) is close to the side beam (2). A crossbeam partition (6d) is arranged between the crossbeam webs (6a); a container lock seat (9) is arranged above the crossbeam partition (6d), and the container lock seat (9) extends as the top cover of the crossbeam (6c) Part is fixedly connected with the lock seat beam (6).

4. The underframe of heavy-duty railway freight flatcar according to claim 1, 2 or 3, characterized in that: the upper cover plate of the middle sill (1c), the lower cover plate of the middle sill (1b) and the web of the middle sill (1a) are all tailor-welded from steel plates of different thicknesses.

5. The underframe of railway heavy-duty freight flat car according to claim 1, 2 or 3, characterized in that: the outer sides of the side beams (2) on both sides are longitudinally provided with binding rod seats (11); The outer side of the end beam (3) at the end is provided with a binding ring seat (10).

6. The underframe of railway heavy-duty freight flat car according to claim 4, characterized in that: the outer sides of the side beams (2) on both sides are longitudinally provided with binding rod seats (11); the end beams at both ends ( 3) The outer side is provided with a binding ring seat (10).