CN204821564U - Thermal -insulated type box wagon automobile body - Google Patents

Abstract

The utility model discloses a heat-insulating boxcar body, which comprises: a bottom frame, the bottom frame includes: side parts; , the side wall is fixedly connected to the side; the end wall is fixedly connected to the end; the roof is fixedly connected to the side wall and the end wall respectively The car door adopts an embedded sliding door structure and is arranged on the slideways on both sides of the car body; the side wall, the end wall and/or the roof all adopt a built-in beam and column structure and set There is insulation. The utility model overcomes the small volume of the existing railway box car, the small number of doors, the small size of the door hole, which is not suitable for the requirements of fast loading and unloading operations, and for the transportation of goods with special environmental requirements and use requirements. Technical defects in the process that cannot meet the requirements.

Description

A heat-insulated boxcar body

technical field

The utility model belongs to the technical field of railway wagons, in particular to a heat-insulating boxcar body.

Background technique

With the successive opening of a number of dedicated passenger lines and high-speed railways in my country, the freight capacity of multiple speed-up lines has been released, creating conditions for the development of express freight. At the same time, with the widespread use of network technology and e-commerce, people's production and lifestyle have undergone drastic changes, and there is a strong demand for express cargo transportation characterized by high value, small batches, tight time, and individualization.

However, the axle load of existing railway freight cars is all above 21t, and the maximum running speed is 120km/h. And the steel structure of the existing railway wagon car body is a thin-walled tubular all-steel welded integral load-bearing structure of plate girder welded type.

This makes the existing railway wagons have at least the following defects: the steel structure of the existing railway boxcar car body adopts the external beam and column type, and the two external columns increase the running resistance of the train; It is not suitable for the application requirements of light and high-quality goods; the number of doors is small and the size of the door holes is small, and it is not suitable for the rapid loading and unloading of goods by express trucks.

Utility model content

The utility model provides a heat-insulating boxcar body, which solves or partially solves the problem that the existing railway boxcar body is too small, has no heat insulation structure, does not adapt to the requirements of fast loading and unloading operations, and solves the problems of special environment and use requirements. For the transportation of goods, the existing railway boxcars cannot meet the technical defects in the transportation process.

The utility model provides a heat-insulating boxcar body. The heat-insulating boxcar body includes: an underframe, and the underframe includes: side parts; cross-sectional structure, and the middle beam is connected to the end, and connected to the side part through corbels and cross beams; side walls, the side walls are fixedly connected to the side parts, and the side walls are located on the above the side of the underframe; an end wall, the end wall is fixedly connected to the end, and the end wall is located above the side of the underframe; a roof, the roof is respectively connected to the side wall , the end wall is fixedly connected, and is surrounded by the side wall, the end wall and the underframe to form a car body; the car door, the car door is arranged on the slideway of the side wall, so that the car door can move along the The slideway slides relative to the side wall; the side wall, the end wall and/or the roof are all provided with a heat insulation layer.

Optionally, it also includes: an upper slide rail of the car door, the upper slide rail of the car door is fixed at the side part; a lower door slide rail, the lower slide rail of the car door is fixed on the side wall; It is slidingly connected with the upper slide rail of the car door and the lower slide rail of the car door, and the car door is located between the upper slide rail of the car door and the lower door slide rail, so that the car door is on the upper slide rail of the car door, the The sliding door slides relative to the side wall on the lower rail.

Optionally, it also includes: a curved beam, the curved beam is fixed on the roof in a built-in structure; and/or an end post, the end post is fixed on the end wall in a built-in structure; and /or, a side column, the side column is fixed on the side wall in a built-in structure.

Optionally, the number of the vehicle doors is four (two on each side), and the four vehicle doors are symmetrically distributed on the side wall with the central vertical axis of the vehicle body as the axis of symmetry.

Optionally, the car door is made of aluminum alloy profiles.

Optionally, the fixed connection is welding; and/or, the detachable connection is riveting.

Optionally, the heat insulation layer includes an intermediate heat insulation material and an inner liner.

In one aspect of the utility model, by increasing the volume of the vehicle body, increasing the number of doors and increasing the size of the door hole, on the premise of ensuring the structural strength of the vehicle body and the requirements for operating safety, the vehicle is lightweight and suitable for the transportation requirements of light goods At the same time, it realizes fast loading and unloading of goods, and improves the economy and applicability of vehicle operation; at the same time, the middle beam adopts a fish-belly deformed cross-section welding structure, which makes the stress distribution of the middle beam more reasonable when bearing load, so as to minimize the self-weight of the chassis On the other hand, the utility model is provided with a thermal insulation layer on the side wall, the end wall and the roof, and through the design of the thermal insulation layer, the vehicle body provided by the utility model has a thermal insulation effect, and for some high-quality Goods, the utility model meets its requirements for special environments.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only the present invention. For some embodiments of the present invention, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is the front view of the body structure of the heat-insulated boxcar provided by the embodiment of the present invention; and

Fig. 2 is a schematic diagram of the overall structure of the heat-insulated boxcar body provided in Fig. 1; and

Figure 3 is a side view of the heat-insulated boxcar body provided in Figure 1; and

Fig. 4 is a partial schematic diagram of the door of the heat-insulated boxcar body provided in Fig. 1; and

Fig. 5 is a structural schematic diagram of the door locking device of the heat-insulated boxcar body provided in Fig. 1; and

Fig. 6 is a structural schematic diagram of the sliding device of the heat-insulated boxcar body provided in Fig. 3 .

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art belong to the protection scope of the present utility model; wherein the keyword "and/or" involved in this implementation means and, or Two situations, in other words, A and/or B mentioned in the embodiment of the present invention represent two situations of A and B, A or B, and describe the three states that A and B exist, such as A and /or B, means: only includes A and does not include B; only includes B but does not include A; includes A and B.

Referring to FIGS. 1-3 , a heat-insulated boxcar body provided by an embodiment of the present invention may at least include: an underframe 100 , side walls 200 , end walls 300 and a roof 400 .

Specifically, the underframe 100 may include: a side portion 101 , an end portion 102 and a center beam 103 . As shown in FIG. 1 , the middle beam 103 adopts a variable cross-section welded structure, and the middle beam 103 is fixed at the end 102 of the underframe 100 and connected to the side 101 through corbels and cross beams. Since the center sill is the main force-bearing part that bears the longitudinal and vertical loads of vehicle traction, by adopting the center sill 103 with a variable cross-section welded structure, the stress of the center sill 103 can be distributed reasonably when bearing the load, so as to reduce the stress of the underframe 100 to the greatest extent. self-respect. At the same time, the underframe 100 is made of high-strength weather-resistant steel. On the premise of ensuring the structural strength of the car body and the safety requirements of operation, it realizes the lightweight of the vehicle, increases the load, and increases the volume, which is suitable for light cargo. shipping requirements.

Further, referring to FIG. 1 and FIG. 2 , the side wall 200 is fixedly connected to the side part 101, and the side wall 200 is located above the side part 101 of the chassis, wherein the side part 101 is used as a connecting part of the side wall 200 and can be formed by cold bending Made of channel steel. The end wall 300 is fixedly connected to the end portion 102 of the chassis, and the end wall 300 is located above the end portion 102 of the chassis. The roof 400 is fixedly connected with the side wall 200 and the end wall 300 respectively, and is enclosed with the side wall 200 , the end wall 300 and the underframe 100 to form a steel structure of the vehicle body.

At the same time, please continue to refer to Fig. 2, in the embodiment of the present utility model, a side column 201 is also provided on the side wall 200, an end column 301 is also provided on the end wall 300, and a curved beam 401 is also provided on the roof 400, and The side pillars 201, the end pillars 301 and the curved beam 401 all adopt built-in structures, which can reduce the resistance of the vehicle during high-speed operation and reduce energy consumption compared with the traditional external structures. The built-in structure is specifically that the end column 301 is arranged inside the end wall 300, so that a part of the end column 301 is placed inside the end wall 300, and the other part is placed on the outer surface of the end wall 300; at the same time, a part of the side column 201 is placed Inside the side wall 200 , another part is placed on the outer surface of the side wall 200 , a part of the curved beam 401 is placed inside the roof 400 , and the other part is placed on the outer surface of the roof 400 .

It should be noted that in this embodiment, the side wall 200, the end wall 300 and the roof 400 are all provided with a heat insulation layer 800, as shown in Figure 2, preferably, the heat insulation layer 800 includes an intermediate heat insulation material and The inner liner, through the design of the heat insulation layer 800, makes the car body provided by the embodiment of the utility model have a heat insulation effect. For some high-quality goods, the embodiment of the utility model meets the requirements for special environments.

In the embodiment of the present invention, please refer to FIG. 1 and FIG. 2 , it also includes: at least two car doors 500 , a car door upper sliding rail 600 and a car door lower rail 700 . Wherein, the upper door slide rail 600 is fixed on the side portion 101 of the underframe 100 ; the door lower slide rail 700 is fixed on the top of the side wall 200 . The door 500 is slidably connected to the upper door rail 600 and the lower door rail 700 respectively, and the door 500 is located between the upper door rail 600 and the lower door rail 700 , so that the door 500 is on the upper door rail 600 and the lower door rail 700 It can slide relative to the side wall 200 , and finally realize two states of opening and closing of the door 500 .

Preferably, the number of car doors 500 can be four (two on each side of the car body), and the two car doors 500 are symmetrically distributed on the side wall 200 with the central vertical axis (vertical vertical axis) of the center beam 103 as the axis of symmetry. on both sides. And car door 500 also can be made by aluminum alloy profile, makes car door 500 dead weight light, and car body every side is provided with two car doors 500 (a car body has four car doors 500 in total) can improve mechanized operation efficiency, satisfies goods fast loading fast unloading requirements.

Preferably, the sliding connection between the door 500 and the upper door slide rail 600 and the lower door slide rail 700 may be in the form of a roller connection (but not limited to), so as to realize the relative sliding of the three.

It should be noted that, please refer to Figure 5-6, when the sliding connection between the door 500, the upper door slide rail 600, and the door lower rail 700 is connected by rollers, a car door provided by the embodiment of the present invention One set of locking mechanism 900 and two sets of sliding devices 901 can be installed on 500 .

Wherein, the sliding device 901 may include a door pivot rod 911 , a support rod 912 , and a pulley 913 . After the door pivot rod 901 and the pulley 13 are connected together through the pole 912, the car door 500 is installed between the upper door slide rail 600 and the lower door slide rail 700 through the pulley 913, and can slide on the slideway through the pulley 913. Both the locking mechanism 900 and the door pivot rod 911 are in the prior art, and their working principles will not be repeated here.

But it is worth mentioning that, in order to avoid the sliding process of the car door 500, the car door 500 slides out of the upper door slide rail 600 and the lower door slide rail 700 due to inertia. In the embodiment of the utility model, a stopper 914 and a buffer 915 are also provided on the upper door slide rail 600 and/or the lower door slide rail 700 to limit and buffer the sliding displacement of the car door 500 through the stopper 914 and the buffer 915 .

The beneficial effects of the heat-insulated boxcar body provided by the embodiment of the present invention are as follows:

①. The utility model is made of high-strength weather-resistant steel, and two doors 500 are arranged on each side. On the premise of ensuring the structural strength of the car body and the safety requirements of operation, it realizes the lightweight of the vehicle, increases the load capacity, and increases the weight of the vehicle. The capacity is increased, which is suitable for the transportation requirements of light goods, and at the same time realizes fast loading and unloading of goods, improving the economy and applicability of vehicle operation;

②. The utility model adopts the middle sill 103 of fish-belly deformed cross-section welding structure, so that the stress of the middle sill 103 is reasonably distributed when it bears the load, so as to reduce the self-weight of the bottom frame 100 to the maximum extent;

③. The utility model is provided with a heat insulation layer 800 on the side wall 200, the end wall 300 and the roof 400, as shown in Figure 2. Preferably, the heat insulation layer 800 includes a middle heat insulation layer and an inner wall Plate, through the design of the heat insulation layer 800, the car body provided by the embodiment of the utility model has a heat insulation effect, and for some high-quality goods, the embodiment of the utility model meets its requirements for special environments;

④. The utility model is provided with side columns 201 on the side wall 200, end columns 301 on the end wall 300, and curved beams 401 on the roof 400, and the side columns 201, end columns 301 and curved beams 401 are all built-in Compared with the traditional external structure, it can reduce the resistance of the vehicle during high-speed operation and reduce energy consumption.

Finally, it is worth mentioning that, according to the usage conditions, the car body made of weathering steel can guarantee no interception and maintenance within two factory repair cycles. The goods transported by luggage vehicles are mainly low-density and light-weight goods, and the vehicle body is required to have a large volume and specific volume coefficient. The volume of existing luggage express vehicles is not greater than 145m ³ , and the specific volume is not greater than 3.1m ³ / t, Billing deficits often occur in actual use. Except for the 25T luggage cart, the side pillars, end pillars and roof curved beams of other types of vehicles are all external, which is not conducive to the high-speed operation of the vehicle; the ventilation window is not well sealed, which is not conducive to the transportation of high Value-added goods; the door size is not sufficient, which is not conducive to mechanized fast loading and unloading operations.

And the utility model is just by setting the side column 201 on the side wall 200, the end column 301 is set on the end wall 300, and the curved beam 401 is set on the roof 400, and the side column 201, the end column 301 and the curved beam 401 are all A built-in structure is adopted, and a heat insulation layer is added; the middle beam 103 is designed as a fish-belly deformed cross-section welded structure; the number of doors and the size of the door hole are increased; the main load-bearing structure of the car body is made of high-strength weather-resistant steel, which makes the utility model It is suitable for 160km/h railway rapid transportation. Compared with the existing vehicles, it has a neat appearance, which effectively reduces running resistance, saves energy and reduces consumption; the interior is smooth, which effectively reduces the possible damage to goods and loading and unloading personnel; The floor is conducive to the rapid operation of the forklift and prolongs the service life of the car body; large volume, large specific volume, light weight, good sealing, and good heat insulation are suitable for transporting light-weight and high-value-added commodities, which effectively improves efficiency. phoebe.

While preferred embodiments of the present invention have been described, additional changes and modifications to these embodiments can be made by those skilled in the art once the basic inventive concept is appreciated. Therefore, the appended claims are intended to be interpreted to cover the preferred embodiment and all changes and modifications which fall within the scope of the present invention.

Obviously, those skilled in the art can make various changes and modifications to the utility model without departing from the spirit and scope of the utility model. In this way, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and equivalent technologies thereof, the utility model is also intended to include these modifications and variations.

Claims (7)

1. a heat insulation type box car car body, is characterized in that, described heat insulation type box car car body comprises:

Underframe, described underframe comprises:

Sidepiece;

End;

Central sill, described central sill is variable section structure, and described central sill is connected with described end;

Side wall, described side wall is fixedly connected with described sidepiece, and described side wall is positioned at the top of described sidepiece;

Headwall, described headwall is connected with described end winding support, and described headwall is positioned at the top of described end;

Roof, described roof is fixedly connected with described side wall, described headwall respectively, and is encircled into a car body with described side wall, described headwall and described underframe;

Car door, described car door is slidably arranged on described side wall, and described car door can be slided relative to described side wall;

Described side wall, described headwall and/or described roof are provided with thermal insulation layer.

2. heat insulation type box car car body as claimed in claim 1, is characterized in that, also comprise:

Slide rail on car door, on described car door, slide rail is fixed on described sidepiece position;

Car door glidepath, described car door glidepath is fixed on described side wall;

Wherein, described car door by track adjusting wheel respectively with slide rail, described car door glidepath sliding block joint on described car door, and described car door is on described car door between slide rail, described car door glidepath, make described car door on described car door on slide rail, described car door glidepath relatively described side wall slide.

3. heat insulation type box car car body as claimed in claim 1, is characterized in that, also comprise:

Camber beam, described camber beam is that built-in structure is fixed on described roof;

And/or,

Newel post, described newel post is that built-in structure is fixed on described headwall;

And/or,

Lateral column, described lateral column is that built-in structure is fixed on described side wall.

4. heat insulation type box car car body as claimed in claim 2, is characterized in that,

The quantity of described car door is at least two, and two described car doors with the center vertical pivot of described car body for axis of symmetry, be distributed in symmetrically on described side wall.

5. heat insulation type box car car body as claimed in claim 2, is characterized in that,

Described car door is made by aluminium alloy extrusions.

6. heat insulation type box car car body as claimed in claim 1, is characterized in that,

Described being fixedly connected with is welding.

7. heat insulation type box car car body as claimed in claim 1, is characterized in that,

Described thermal insulation layer comprises middle thermal insulation material and interior lining panel.