阅读说明：本技术 一种轻量化铝合金厢体结构 (Lightweight aluminum alloy carriage body structure ) 是由 吴维光 焦圣钟 李龙 于 2021-08-22 设计创作，主要内容包括：本发明公开了一种轻量化铝合金厢体结构,它属于轻量化物流装备制造应用技术领域,包括前板总成、左侧板总成、右侧板总成、底板总成、后门总成、顶板总成,所述前板总成分别与所述左侧板总成及右侧板总成之间设为铆接连接,所述后门总成分别与所述左侧板总成和右侧板总成之间设为铆接连接,所述底板总成分别与所述左侧板总成和右侧板总成之间设为螺栓连接,所述顶板总成与所述前板总成、左侧板总成、右侧板总成和后门总成之间设为铆接加粘接连接；所述右侧板总成上设有侧门总成,所述侧门总成与后门总成分别安装有辅助锁紧机构。(The invention discloses a light-weight aluminum alloy compartment body structure, which belongs to the technical field of manufacturing and application of light-weight logistics equipment and comprises a front plate assembly, a left side plate assembly, a right side plate assembly, a bottom plate assembly, a rear door assembly and a top plate assembly, wherein the front plate assembly is riveted with the left side plate assembly and the right side plate assembly respectively, the rear door assembly is riveted with the left side plate assembly and the right side plate assembly respectively, the bottom plate assembly is connected with the left side plate assembly and the right side plate assembly respectively through bolts, and the top plate assembly is riveted with the front plate assembly, the left side plate assembly, the right side plate assembly and the rear door assembly and is bonded with the front plate assembly, the left side plate assembly, the right side plate assembly and the rear door assembly; and a side door assembly is arranged on the right side plate assembly, and an auxiliary locking mechanism is respectively arranged on the side door assembly and the rear door assembly.)

1. A light-weight aluminum alloy compartment body structure is characterized by comprising a front plate assembly, a left side plate assembly, a right side plate assembly, a bottom plate assembly, a rear door assembly and a top plate assembly, wherein the front plate assembly is riveted and connected with the left side plate assembly and the right side plate assembly respectively, the rear door assembly is riveted and connected with the left side plate assembly and the right side plate assembly respectively, the bottom plate assembly is bolted and connected with the left side plate assembly and the right side plate assembly respectively, and the top plate assembly is riveted and bonded with the front plate assembly, the left side plate assembly, the right side plate assembly and the rear door assembly;

and a side door assembly is arranged on the right side plate assembly, and an auxiliary locking mechanism is respectively arranged on the side door assembly and the rear door assembly.

2. The light-weight aluminum alloy carriage body structure as claimed in claim 1, wherein the front plate assembly comprises two front uprights arranged in parallel, two ends of the two front uprights are respectively connected with a front plate upper edge beam and a front plate lower edge beam, the two front plate upper edge beams and the two front plate lower edge beams are matched to form a front plate frame, a front carriage plate is installed in the front plate frame, a socket is arranged on the inner side of the front plate frame, the front carriage plate is clamped in the socket, and the front carriage plate in the socket is connected with the front plate frame through rivets.

3. The light-weight aluminum alloy compartment body structure as claimed in claim 2, wherein the left side plate assembly comprises a left side plate upper edge beam and a left side plate lower edge beam which are arranged in parallel, one end of the left side plate upper edge beam is inserted into the upper end of the front upright, the other end of the left side plate upper edge beam is inserted into the upper end of the rear door assembly, one end of the left side plate lower edge beam is inserted into the lower end of the front upright, the other end of the left side plate upper edge beam is inserted into the lower end of the rear door assembly, opposite sides of the left side plate upper edge beam and the left side plate lower edge beam are also provided with sockets, a left side plate is connected between the sockets, meanwhile, the front upright is also provided with a socket for installing the left side plate, and the left side plate in the socket is riveted with the left side plate upper edge beam, the left side plate lower edge beam and the front upright respectively.

4. The light-weight aluminum alloy compartment body structure as claimed in claim 3, wherein the right side plate assembly comprises a right side plate upper edge beam and a right side plate lower edge beam which are arranged in parallel, one end of the right side plate upper edge beam is inserted with the upper end of the other front upright post, the other end of the right side plate upper edge beam is inserted at the upper end of the rear door assembly, one end of the lower edge beam of the right side plate is inserted with the lower end of the front upright post, the other end of the upper edge beam of the right side plate is inserted with the lower end of the rear door assembly, a side door assembly is arranged between the right side plate upper edge beam and the right side plate lower edge beam, a right side plate is arranged between the right side plate upper edge beam and the right side plate lower edge beam outside the side door assembly, should also be equipped with the installation on the front column the socket of right side board, in the socket the right side board respectively with establish to the riveting between right side board roof beam, the right side board roof beam and the front column.

5. The light-weight aluminum alloy compartment body structure as claimed in claim 4, wherein the rear door assembly and the side door assembly are identical in structure and each comprises a door frame, two oppositely-opened door leaves are hinged in the door frame, a door lock is arranged between each door leaf and the door frame and connected with the corresponding door frame, the door leaves at the lower ends of the door locks and the door frames are provided with auxiliary locking mechanisms, the left side plate upper edge beam, the left side plate lower edge beam, the right side plate upper edge beam and the right side plate lower edge beam are respectively arranged at four corners of the door frame of the rear door assembly, and a water collecting tank is fixedly arranged on the door frame above the door leaves.

6. The light-weight aluminum alloy compartment body structure as claimed in claim 5, wherein the bottom plate assembly mainly comprises a plurality of bottom cross beams distributed in a linear array, one end of each bottom cross beam is fixedly connected with the left side plate lower edge beam, the other end of each bottom cross beam is fixedly connected with the right side plate lower edge beam through bolts, a plurality of first bottom cross beams are provided with a plurality of auxiliary longitudinal beams which are parallel to each other and are uniformly distributed, auxiliary longitudinal beam connecting pieces are fixedly connected between the bottom cross beams and the auxiliary longitudinal beams, a bottom plate is fixedly mounted on the other side of the plurality of bottom cross beams far away from the auxiliary longitudinal beams, and the front plate lower edge beam, the left side plate lower edge beam, the right side plate lower edge beam and the door frame of the rear door assembly are provided with sockets for mounting the bottom plates.

7. The light-weight aluminum alloy compartment body structure as claimed in claim 6, wherein the top plate assembly mainly comprises a plurality of top cross beams which are uniformly distributed, the adjacent top cross beams are parallel to each other, one end of each top cross beam is fixedly mounted on the left side plate upper edge beam, the other end of each top cross beam is fixedly mounted on the right side plate upper edge beam, top skins are mounted on the side faces of the top cross beams between the left side plate upper edge beam and the right side plate upper edge beam, and the top skins are connected with the front plate upper edge beam, the left side plate upper edge beam, the right side plate upper edge beam and the rear door frame assembly in an adhesive and riveting mode.

8. The light-weight aluminum alloy compartment structure as claimed in claim 7, wherein the auxiliary locking mechanism includes a mounting seat fixedly mounted at a lower end of the door leaf and an arc plate fixedly mounted on the door frame, the arc plate is located under the mounting seat, a mounting hole is formed in the mounting seat, a support rod is mounted in the mounting hole, one end of the support rod can move up and down in the mounting hole, and an end of the support rod away from the mounting seat abuts against the arc plate.

9. The light-weight aluminum alloy compartment body structure as claimed in claim 8, wherein the front upright, the front plate upper edge beam, the front plate lower edge beam, the left side plate upper edge beam, the left side plate lower edge beam, the right side plate upper edge beam, the right side plate lower edge beam and the door and window are all made of extruded aluminum profiles, and the front compartment plate, the left side plate, the right side plate and the bottom plate are all made of hollow aluminum profile extruded plates.

10. The light-weight aluminum alloy compartment body structure as claimed in claim 9, wherein the front compartment plate, the left side plate, the right side plate and the bottom plate are formed by splicing a plurality of aluminum alloy plates, a plug is arranged at one end of each aluminum alloy plate in the width direction of the aluminum alloy plate, a female slot matched with the plug is arranged at the other end of each aluminum alloy plate, each aluminum alloy plate comprises an upper plate and a lower plate, and a plurality of reinforcing ribs which are parallel to each other are fixedly connected between the upper plate and the lower plate.

Technical Field

The invention relates to the technical field of manufacturing and application of light-weight logistics equipment, in particular to a light-weight aluminum alloy compartment body structure.

Background

Common van body structure is mostly steel corrugated sheet welded structure on the market at present, and welding, the work load of polishing are big, and work efficiency is lower, and this kind of motorcycle type weight is heavier simultaneously, the condition of overload transportation often appears. The overload is controlled more and more by the country, and in standard load transportation, under the condition that the total weight is not overloaded, the heavier the vehicle is, the fewer the cargoes can be transported at a single time, and the lower the transportation efficiency is.

Disclosure of Invention

For the problems in the prior art, the light aluminum alloy compartment body structure provided by the invention has the advantages that the compartment body main body structure is made of aluminum alloy, the connecting technologies such as riveting, screwing and bonding are comprehensively utilized, the characteristics of light weight, high strength, attractive appearance and the like are realized, the self weight of the whole vehicle is effectively reduced, and the transportation efficiency is improved.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a light-weight aluminum alloy compartment body structure comprises a front plate assembly, a left side plate assembly, a right side plate assembly, a bottom plate assembly, a rear door assembly and a top plate assembly, wherein the front plate assembly, the left side plate assembly, the right side plate assembly, the bottom plate assembly, the rear door assembly and the top plate assembly are all made of aluminum alloy profiles, the front plate assembly is in riveted connection with the left side plate assembly and the right side plate assembly respectively, the rear door assembly is in riveted connection with the left side plate assembly and the right side plate assembly respectively, the bottom plate assembly is in bolted connection with the left side plate assembly and the right side plate assembly respectively, and the top plate assembly is in riveted and bonded connection with the front plate assembly, the left side plate assembly, the right side plate assembly and the rear door assembly;

and a side door assembly is arranged on the right side plate assembly, and an auxiliary locking mechanism is respectively arranged on the side door assembly and the rear door assembly.

Preferably, the front plate assembly comprises two front uprights arranged in parallel, two ends of each front upright are respectively connected with a front plate upper edge beam and a front plate lower edge beam, the front plate upper edge beams and the front plate lower edge beams are matched to form a front plate frame, a front carriage plate is installed in the front plate frame, a socket is arranged on the inner side of the front plate frame, the front carriage plate is clamped in the socket, and the front carriage plate in the socket is connected with the front plate frame through rivets.

Preferably, the left side board assembly includes left side board roof side rail and left side board roof side rail that mutual parallel arrangement, left side board roof side rail one end and one the front column upper end is pegged graft, the left side board roof side rail other end is pegged graft back door assembly upper end, left side board roof side rail one end with the front column lower extreme is pegged graft, the left side board roof side rail other end is pegged graft back door assembly lower extreme, also be equipped with the socket on left side board roof side rail and the left side board roof side rail opposite flank, two be equipped with the left side board between the socket and connect, this simultaneously also be equipped with the installation on the front column the socket of left side board, in the socket the left side board respectively with establish to the riveting between left side board roof side rail, left side board roof side rail and the front column.

Preferably, the right side board assembly comprises a right side board upper edge beam and a right side board lower edge beam which are arranged in parallel, one end of the right side board upper edge beam is connected with the other end of the front upright post in an inserting mode, the other end of the right side board upper edge beam is connected with the upper end of the rear door assembly in an inserting mode, one end of the right side board lower edge beam is connected with the lower end of the front upright post in an inserting mode, the other end of the right side board upper edge beam is connected with the lower end of the rear door assembly in an inserting mode, a side door assembly is installed between the right side board upper edge beam and the right side board lower edge beam on the outer side of the side door assembly, a right side board is installed between the right side board upper edge beam and the right side board lower edge beam on the front upright post, and a socket for installing the right side board in the socket is respectively connected with the right side board upper edge beam, the right side board lower edge beam and the front upright post in a riveting mode.

Preferably, the rear door assembly is the same as the side door assembly in structure and comprises a door frame, two oppositely-opened door leaves are hinged in the door frame, a door lock is arranged between each door leaf and the door frame and connected with the door frame, an auxiliary locking mechanism is arranged at the lower end of the door lock on each door leaf and the door frame, an upper edge beam of a left side plate, a lower edge beam of a left side plate, an upper edge beam of a right side plate and a lower edge beam of the right side plate are respectively arranged at four corners of the door frame of the rear door assembly, and a water collecting tank is fixedly arranged on the door frame above each door leaf.

Preferably, the bottom plate assembly mainly comprises a plurality of bottom cross beams distributed in a linear array, one end of each bottom cross beam is connected between the left side plate lower side beams, the other end of each bottom cross beam is connected with the right side plate lower side beams through bolts in a fixed mode, the first bottom cross beams are provided with a plurality of auxiliary longitudinal beams which are parallel to each other in an evenly distributed mode, auxiliary longitudinal beam connecting pieces are arranged between the bottom cross beams and the auxiliary longitudinal beams in a fixed mode, a plurality of bottom cross beams far away from the auxiliary longitudinal beams are fixedly installed on the other side of each bottom cross beam, and the front plate lower side beams, the left side plate lower side beams, the right side plate lower side beams and the door frames of the rear door assemblies are also provided with sockets used for installing the bottom plates.

Preferably, the roof assembly mainly includes a plurality of evenly distributed's top crossbeam, and is adjacent the top crossbeam is parallel to each other, top crossbeam one end fixed mounting be in on the left side board roof beam, top crossbeam other end fixed mounting be in on the right side board roof beam, on the left side board roof beam and right side board between the roof beam a plurality of top crossbeam side-mounting has a covering, adopt bonding and riveting to be connected between covering and front bezel roof beam, left side board roof beam, right side board roof beam and the back door frame assembly.

Preferably, the auxiliary locking mechanism comprises a mounting seat fixedly mounted at the lower end of the door leaf and an arc-shaped plate fixedly mounted on the door frame, the arc-shaped plate is located under the mounting seat, a mounting hole is formed in the mounting seat, a supporting rod is mounted in the mounting hole, one end of the supporting rod can move in the mounting hole in the vertical direction, and one end, far away from the mounting seat, of the supporting rod is abutted to the arc-shaped plate.

Preferably, the front upright post, the front plate upper edge beam, the front plate lower edge beam, the left side plate upper edge beam, the left side plate lower edge beam, the right side plate upper edge beam, the right side plate lower edge beam and the door and window are all set to be extruded aluminum profile structures, and the front compartment plate, the left side plate, the right side plate and the bottom plate are all set to be cavity aluminum profile extruded plates.

Preferably, the front compartment plate, the left side plate, the right side plate, the bottom plate and the door leaf are formed by splicing a plurality of aluminum alloy plates, a plug is arranged at one end of each aluminum alloy plate in the width direction of the aluminum alloy plates, a female groove matched with the plug is formed in the other end of each aluminum alloy plate, each aluminum alloy plate comprises an upper plate and a lower plate, and a plurality of reinforcing ribs which are parallel to each other are fixedly connected between the upper plate and the lower plate.

The beneficial effects of the invention are as follows:

1. according to the invention, the advantages of aluminum alloy extrusion are fully utilized, the socket structure is reasonably designed, connection processes such as riveting, screwing and bonding are comprehensively utilized, the compartment body is modularized and standardized, and each part of the compartment body is more convenient to disassemble and assemble, so that selection of multiple supply modes in batch supply is facilitated;

2. the side plate of the front carriage plate, the left side plate, the right side plate, the bottom plate, the door leaf and other profiles are all in a cavity structure, so that the carriage is light in weight, high in strength, smooth in appearance and more attractive than a steel corrugated plate carriage body;

3. compared with the existing steel corrugated plate carriage body structure in the market, the carriage body structure reduces weight by 40%, has higher transportation efficiency under the condition of standard load transportation, and is more energy-saving and environment-friendly;

4. according to the invention, the falling support rod is matched with the arc-shaped plate, and the support rod and the arc-shaped plate form self-locking under the self gravity, so that the automatic opening of a closed door leaf can be effectively avoided under the condition that the door lock is forgotten to be locked, the safety of a carriage body in the transportation process can be ensured, meanwhile, in the closing process of the door leaf, the self-locking between the support rod and the arc-shaped plate can be automatically realized under the self gravity and inertia effects of the support rod, and the operation is simple;

5. the front carriage plate, the left side plate, the right side plate, the bottom plate and the door leaf are formed by splicing a plurality of aluminum alloy plates, so that the damaged part can be conveniently and independently replaced, and the waste of resources can be effectively avoided.

Drawings

FIG. 1 is a schematic view of a front plate assembly of a lightweight aluminum alloy compartment structure according to the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a schematic view of a left side plate assembly of a lightweight aluminum alloy compartment structure according to the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;

FIG. 6 is a schematic view of a right side plate assembly of a lightweight aluminum alloy compartment structure according to the present invention;

FIG. 7 is a cross-sectional view taken along line C-C of FIG. 6;

FIG. 8 is a partial enlarged view of B in FIG. 6;

FIG. 9 is a front view of a bottom plate assembly of a light-weight aluminum alloy compartment structure according to the present invention;

FIG. 10 is a top view of a floor assembly of a lightweight aluminum alloy compartment structure of the present invention;

FIG. 11 is a schematic view of a rear door assembly of a lightweight aluminum alloy compartment structure of the present invention;

FIG. 12 is a schematic view of a roof assembly of a lightweight aluminum alloy compartment structure according to the present invention;

fig. 13 is a schematic view of an aluminum alloy plate with a light-weight aluminum alloy compartment structure according to the present invention.

In the figure: 1-front column, 2-front plate upper edge beam, 3-front plate lower edge beam, 4-front carriage plate, 5-left side plate upper edge beam, 6-left side plate lower edge beam, 7-left side plate, 8-right side plate upper edge beam, 9-right side plate lower edge beam, 10-right side plate, 11-bottom cross beam, 12-auxiliary longitudinal beam, 13-auxiliary longitudinal beam connecting piece, 14-bottom plate, 15-top cross beam, 16-top skin, 17-upper plate, 18-lower plate, 19-reinforcing rib, 20-plug, 21-female groove, 22-door frame, 23-door leaf, 24-door lock, 25-mounting seat, 26-supporting rod and 27-arc plate.

Detailed Description

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

The light-weight aluminum alloy compartment body structure shown in fig. 1-13 comprises a front plate assembly, a left side plate assembly, a right side plate assembly, a bottom plate assembly, a rear door assembly and a top plate assembly, wherein the front plate assembly, the left side plate assembly, the right side plate assembly, the bottom plate assembly, the rear door assembly and the top plate assembly are respectively six surfaces of the aluminum alloy compartment body, the front plate assembly, the left side plate assembly, the right side plate assembly, the bottom plate assembly, the rear door assembly and the top plate assembly are all made of aluminum alloy sections, the front plate assembly is in riveted connection with the left side plate assembly and the right side plate assembly, the rear door assembly is in riveted connection with the left side plate assembly and the right side plate assembly, the bottom plate assembly is in bolted connection with the left side plate assembly and the right side plate assembly, and the top plate assembly is in riveted connection with the front plate assembly and the left side plate assembly, Establish to riveting and adhesive bonding between right side plate assembly and the back door assembly, make full use of aluminum alloy extrusion advantage, comprehensive application riveting, spiro union, bonding connection technology such as, the adoption modularization of the realization railway carriage or compartment body, standardized design, the dismouting of each position of the railway carriage or compartment body is more convenient, the selection of multiple supply of material mode when being convenient for supply material in batches.

A side door assembly is arranged on the right side plate assembly, and an auxiliary locking mechanism is respectively arranged on the side door assembly and the rear door assembly;

the rear door assembly and the side door assembly are identical in structure and respectively comprise a door frame 22, two door leaves 23 which are oppositely opened are hinged in the door frame 22, a door lock 24 is arranged between each door leaf 23 and the door frame 22 and connected with each other, an auxiliary locking mechanism is arranged on each door leaf 23 and the door frame 22 at the lower end of each door lock 24, the left side plate upper edge beam 5, the left side plate lower edge beam 6, the right side plate upper edge beam 8 and the right side plate lower edge beam 9 are respectively arranged at four corners of the door frame 22 of the rear door assembly, a water collecting tank is fixedly arranged on the door frame 22 above each door leaf 23, the water collecting tank is adopted for drainage, and flowing water at the top of a compartment body can be effectively prevented from flowing into a gap between each door leaf 23 and the door frame 22;

the auxiliary locking mechanism comprises a mounting seat 25 fixedly mounted at the lower end of the door leaf 23 and an arc-shaped plate 27 fixedly mounted on the door frame 22, the arc-shaped plate 27 is positioned under the mounting seat 25, a mounting hole is formed in the mounting seat 25, a supporting rod 26 is mounted in the mounting hole, one end of the supporting rod 26 can move in the mounting hole in the vertical direction, one end of the supporting rod 26, which is far away from the mounting seat 25, is abutted against the arc-shaped plate 27, the falling supporting rod 26 is matched with the arc-shaped plate 27, the supporting rod 26 and the arc-shaped plate 27 form self-locking under the self gravity, when the door lock 24 forgets to lock, the closed door leaf 23 can be effectively prevented from being automatically opened, the safety of the carriage body in the transportation process can be ensured, and meanwhile, when the door leaf 23 is closed, the supporting rod 26 can automatically realize the self-locking between the supporting rod 26 and the arc-shaped plate 27 under the self gravity and inertia effects, the operation is simple.

The front plate assembly comprises two front upright posts 1 which are arranged in parallel, two ends of the two front upright posts 1 are respectively connected with a front plate upper edge beam 2 and a front plate lower edge beam 3, the two front plate upper edge beams 2 and the front plate lower edge beams 3 are matched to form a front plate frame, a front carriage plate 4 is installed in the front plate frame, a socket is arranged on the inner side of the front plate frame, the front carriage plate 4 is clamped in the socket, and a rivet is arranged between the front carriage plate 4 and the front plate frame in the socket for connection;

the left side plate assembly comprises a left side plate upper edge beam 5 and a left side plate lower edge beam 6 which are arranged in parallel, one end of the left side plate upper edge beam 5 is spliced with the upper end of a front upright post 1, the other end of the left side plate upper edge beam 5 is spliced at the upper end of the rear door assembly, one end of the left side plate lower edge beam 6 is spliced with the lower end of the front upright post 1, the other end of the left side plate upper edge beam 5 is spliced at the lower end of the rear door assembly, opposite sides of the left side plate upper edge beam 5 and the left side plate lower edge beam 6 are also provided with sockets, a left side plate 7 is arranged between the two sockets for connection, meanwhile, the front upright post 1 is also provided with a socket for mounting the left side plate 7, and the left side plate 7 in the socket is riveted with the left side plate upper edge beam 5, the left side plate lower edge beam 6 and the front upright post 1 respectively;

the right side plate assembly comprises a right side plate upper edge beam 8 and a right side plate lower edge beam 9 which are arranged in parallel, one end of the right side plate upper edge beam 8 is inserted with the upper end of the other front upright post 1, the other end of the right side plate upper edge beam 8 is inserted with the upper end of the rear door assembly, one end of the right side plate lower edge beam 9 is inserted with the lower end of the front upright post 1, the other end of the right side plate upper edge beam 8 is inserted with the lower end of the rear door assembly, a side door assembly is arranged between the right side plate upper edge beam 8 and the right side plate lower edge beam 9, a right side plate 10 is arranged between the right side plate upper edge beam 8 and the right side plate lower edge beam 9 at the outer side of the side door assembly, the front upright post 1 is also provided with a socket for mounting the right side plate 10, and the right side plate 10 in the socket is respectively riveted with the right side plate upper edge beam 8, the right side plate lower edge beam 9 and the front upright post;

the bottom plate assembly mainly comprises a plurality of bottom cross beams 11 which are distributed in a linear array, wherein one ends of the bottom cross beams 11 are fixedly connected with the left side plate lower edge beam 6, the other ends of the bottom cross beams 11 are fixedly connected with the right side plate lower edge beam 9 through bolts, a plurality of bottom cross beams 11 are provided with a plurality of auxiliary longitudinal beams 12 which are parallel to each other and are uniformly distributed, auxiliary longitudinal beam connecting pieces 13 are fixedly connected between the bottom cross beams 11 and the auxiliary longitudinal beams 12, a bottom plate 14 is fixedly installed on the other sides of the bottom cross beams 11 which are far away from the auxiliary longitudinal beams 12, and the front plate lower edge beam 3, the left side plate lower edge beam 6, the right side plate lower edge beam 9 and a door frame 22 of the rear door assembly are also provided with sockets for installing the bottom plate 14;

the roof plate assembly mainly comprises a plurality of top cross beams 15 which are uniformly distributed, the adjacent top cross beams 15 are parallel to each other, one end of each top cross beam 15 is fixedly installed on the left side plate upper edge beam 5, the other end of each top cross beam 15 is fixedly installed on the right side plate upper edge beam 8, a plurality of top cross beams 15 between the left side plate upper edge beam 5 and the right side plate upper edge beam 8 are laterally provided with top skin 16, and the top skin 16 is connected with the front plate upper edge beam 2, the left side plate upper edge beam 5, the right side plate upper edge beam 8 and the rear door frame 22 assembly in a bonding and riveting mode;

through laminating mutually with the installation socket that corresponds respectively in front railway carriage or compartment board 4, left side board 7, right side board 10 and bottom plate 14, both made things convenient for the difference the location installation of the front railway carriage or compartment board 4 or left side board 7 or right side board 10 or bottom plate 14 that the socket corresponds can avoid the infiltration again.

Front column 1, front bezel roof side rail 2, front bezel boundary beam 3, left side bezel roof side rail 5, left side bezel roof side rail 6, right side bezel roof side rail 8, right side bezel roof side rail 9 and door and window all establish to the extrusion aluminium alloy structure, front carriage board 4, left side board 7, right side board 10 and bottom plate 14 all establish to cavity aluminium alloy extrusion board, and the carriage body structure subtracts weight 40% than the steel corrugated sheet carriage body structure on the existing market, and under the condition of standard load transportation, the conveying efficiency is higher, more energy-concerving and environment-protective, and wherein sections such as front carriage board 4 curb plate, left side board 7, right side board 10, bottom plate 14 and door leaf 23 all are the cavity structure, light in weight, intensity are high, and the outward appearance is level, and more pleasing to the eye than the steel corrugated sheet carriage body.

Preceding railway carriage or compartment board 4, left side board 7, right side board 10 and bottom plate 14 are constituteed by the concatenation of a plurality of aluminum alloy panel on the aluminum alloy panel width direction aluminum alloy panel one end is equipped with plug 20, the aluminum alloy panel other end be equipped with plug 20 matched with female groove 21, aluminum alloy panel includes upper plate 17 and hypoplastron 18, be equipped with a plurality of strengthening ribs 19 fixed connection that are parallel to each other between upper plate 17 and the hypoplastron 18, preceding railway carriage or compartment board 4, left side board 7, right side board 10, bottom plate 14 and door leaf 23 all adopt aluminum alloy panel mosaic structure, damage position can change alone, can effectively avoid the waste of resource.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.