CN110239635B - Modular assembled light-weight wagon compartment assembly - Google Patents
Modular assembled light-weight wagon compartment assembly Download PDFInfo
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- CN110239635B CN110239635B CN201910655015.4A CN201910655015A CN110239635B CN 110239635 B CN110239635 B CN 110239635B CN 201910655015 A CN201910655015 A CN 201910655015A CN 110239635 B CN110239635 B CN 110239635B
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- carriage
- plate
- plate body
- wrapping block
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- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000000956 alloy Substances 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 27
- 230000003014 reinforcing effect Effects 0.000 claims description 20
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 239000010953 base metal Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/04—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/04—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains
- B62D33/046—Enclosed load compartments ; Frameworks for movable panels, tarpaulins or side curtains built up with flat self-supporting panels; Fixed connections between panels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a modular assembled light-weight wagon compartment assembly, which comprises a front wagon compartment plate, a rear wagon compartment door, two symmetrically arranged side wagon compartment plates, a wagon compartment bottom plate and a wagon compartment top plate, wherein one side wagon compartment plate is provided with the side wagon compartment door; the side carriage plate comprises a side plate body, wherein the edges of the upper side and the lower side of the side plate body are respectively provided with a first side beam wrapping block and a second side beam wrapping block; the carriage bottom plate includes the bottom plate boundary beam and connects bottom plate crossbeam and bottom plate longeron in the bottom plate boundary beam, bottom plate longeron are connected with the bottom plate crossbeam and are formed rectangular frame structure the top of bottom plate crossbeam and bottom plate longeron is provided with first bottom plate body and second bottom plate body the bottom of first bottom plate body adopts the integrative extrusion of aluminum alloy material to have the stiffening beam. The remarkable effects are as follows: and by adopting modularized assembly, the carriage has high structural strength and high sealing waterproof property.
Description
Technical Field
The invention relates to the technical field of dump truck light-weight carriages, in particular to a light-weight truck carriage assembly assembled in a modular manner.
Background
According to the related national policy, the overload is treated with great force, and the total weight of the vehicle is controlled by matching with the implementation of a weight-based charging system. In addition, due to the energy conservation, environmental protection and safety of the vehicle, the weight of the commercial vehicle has become an inevitable trend. Further, the advantages of high efficiency, energy saving, environmental protection, and safety of the lightweight vehicle are also increasingly emphasized by users, and thus, the expansion of the market and the increase of the user demand are also the motive power for the lightweight of the vehicle.
However, most of the domestic carriages are composite boards and corrugated boards. The carriage plate with the composite plate structure is a wood sandwich glass fiber reinforced plastic composite plate, and the carriage has the advantages of flat, smooth, bright and beautiful surface, but the environment is polluted in the composite forming process of the wood sandwich glass fiber reinforced plastic composite plate, and the carriage can not be recycled after being scrapped; on the other hand, the core board adopts a wooden board, and the carriage made of the board has large self weight and high fuel consumption of the vehicle. The corrugated board structure carriage is an early logistics transportation carriage, the carriage body main body material is a cold-rolled steel plate, the carriage welding parts are relatively large, the steel carriage is heavy in weight and easy to rust, paint is easy to remove, the sealing waterproof performance is poor, and the requirement on carriage weight reduction is difficult to meet.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a modular assembled lightweight wagon box assembly, which adopts modular assembly, and has the advantages of high structural strength, high deformation resistance, high sealing waterproof performance and capability of resisting larger cargo impact force.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a modular assembled light truck carriage assembly is characterized in that: the automobile front door comprises an aluminum front carriage plate, a rear carriage door, two symmetrically arranged side carriage plates, a carriage bottom plate and a carriage top plate, wherein the front carriage plate, the rear carriage door, the two symmetrically arranged side carriage plates, the carriage bottom plate and the carriage top plate enclose a rectangular carriage body, one side carriage plate is provided with the side carriage door, and the rear carriage door and the side carriage door are hinged on the side carriage plate through hinges and can realize the sealing of a carriage through a locking mechanism;
the side carriage plate comprises a side plate body, wherein a first side beam wrapping block and a second side beam wrapping block are respectively arranged at the edges of the upper side and the lower side of the side plate body, the first side beam wrapping block and the second side beam wrapping block are respectively and fixedly connected with the side edges of a carriage top plate and a carriage bottom plate, profiling grooves which are matched with the side plate body are respectively formed in the first side beam wrapping block and the second side beam wrapping block, the upper side and the lower side of the side plate body are inserted into the profiling grooves and extend outwards for a part, and the extending part of the side plate body is welded and fixed with the first side beam wrapping block and the second side beam wrapping block;
the carriage bottom plate comprises a bottom plate boundary beam, and a bottom plate beam and a bottom plate longitudinal beam which are connected into the bottom plate boundary beam, wherein the bottom plate boundary beam, the bottom plate longitudinal beam and the bottom plate beam are connected to form a rectangular frame structure, a first bottom plate body and a second bottom plate body are arranged above the bottom plate beam and the bottom plate longitudinal beam, the bottom of the first bottom plate body is integrally extruded and formed by adopting an aluminum alloy material, the stiffening beam is arranged in parallel with the bottom plate beam, a plurality of second bottom plate bodies are arranged between two adjacent first bottom plate bodies, and friction welding fixed connection is adopted between the first bottom plate body and the second bottom plate body and between two adjacent second bottom plate bodies;
two sides of the lower part of the bottom plate longitudinal beam respectively extend outwards to form flanges; a notch which is matched with the size of the bottom plate longitudinal beam is formed in the reinforcing beam, the bottom plate longitudinal beam is clamped in the notch, the lower surface of the reinforcing beam is flush with the lower surface of the flange, the lower surface of the reinforcing beam and the lower surface of the flange are welded and fixed in a friction welding mode, and the rest contact parts of the reinforcing beam and the bottom plate longitudinal beam are welded and fixed in an argon arc welding mode;
the inner side of the bottom plate boundary beam is provided with a supporting step which is used for supporting the first bottom plate body and the second bottom plate body, the middle part of the bottom plate boundary beam extends upwards to form a protruding part, the outer side of the bottom plate boundary beam extends upwards to form a protruding edge, an overflow groove is formed between the protruding part and the protruding edge, and the protruding part of the side plate body is accommodated in the overflow groove.
Further, the cross section of the first bottom plate body and the reinforcing beam is of a T-shaped structure, wherein the first bottom plate body forms a transverse portion of the T-shaped structure, and the reinforcing beam forms a vertical portion of the T-shaped structure.
Further, the first bottom plate body and the second bottom plate body all adopt double-deck aluminum plate structures, are formed with the supporting wall between double-deck aluminum plate.
Further, the first bottom plate body and the second bottom plate body both adopt a multi-cavity structure.
Further, the notch is in an inverted T shape, the longitudinal part of the notch is adapted to the bottom plate longitudinal beam above the flange, the bottom plate longitudinal beam below the flange protrudes out of the lower surface of the reinforcing cross beam, and the transverse part of the notch is adapted to the flange.
Further, a relief groove adapted to the transverse portion of the notch is formed in the flange, and when the bottom plate longitudinal beam is clamped in the notch, the inner wall of the relief groove is in contact with the inner wall of the transverse portion of the notch.
Further, the bottom plate longitudinal beam and the flange are integrally formed by extrusion of aluminum alloy, and the bottom plate longitudinal beam adopts a multi-cavity structure.
Further, the first side beam wrapping block comprises a vertical portion, a first transverse portion and a second transverse portion, wherein the first transverse portion is connected to the top of the vertical portion, the second transverse portion is connected to the middle lower portion of the vertical portion, a buckling groove is formed between the first transverse portion and the second transverse portion, the buckling groove is buckled on the side edge of the carriage top plate, the first side beam wrapping block is welded and fixed after being buckled with the carriage top plate, the second transverse portion is provided with the profiling groove, and the extending portion of the side plate body is welded to one side, close to the first transverse portion, of the second transverse portion.
Further, the second boundary beam package piece includes buckling parts and protection part, the buckling parts are used for the lock to be in the side of carriage bottom plate, welded fastening behind side carriage board and the carriage bottom plate the formation between buckling parts and the protection part imitative the groove, the extension part of curb plate body weld in buckling parts, the lower lateral wall of protection part, the protection part locate in the carriage and support in on the protruding part of bottom plate boundary beam for provide impact resistance protection to side carriage board.
Further, the guard includes a planar portion and a slope portion connected, the planar portion being supported on the floor, the slope portion extending from a relatively inner side of the planar portion to the side car plate, a support bar being provided between the slope portion and the side car plate, a free end of the support bar extending to be in contact with the side car plate, an upper side edge of the slope portion being partially welded to the side car plate.
The invention has the remarkable effects that:
1. the side beam wrapping blocks are added on the upper side and the lower side of the side carriage plate and the front carriage plate, so that the side plate is sprayed more simply and conveniently; meanwhile, the carriage is divided into seven plates by utilizing the structure, so that the transportation is more convenient, the transportation difficulty is reduced, the transportation quantity of each vehicle is increased, the transportation quantity of the existing whole vehicle is increased by 5 times, meanwhile, the modules are transported to a customer site to realize different-place assembly, and the production efficiency is improved and the product quality is ensured by adopting internal welding and external riveting modes during the assembly;
2. the side carriage plate is welded and fixed with the side beam wrapping block in the vertical direction through the imitation groove arranged on the side beam wrapping block, instead of welding the side plate on the surface of the side beam of the side plate like the prior art, the transverse shearing force of the welded side plate body in the traditional structure is changed into longitudinal tension, the deformation resistance of the side carriage plate is improved, and the service life of the carriage is prolonged;
3. the carriage bottom plate structure with the stiffening beam is integrally extruded, so that the base material is prevented from being weakened during welding, and the overall strength of the carriage bottom plate is improved;
4. the bottom plate longitudinal beam and the flange structure which are integrally extruded are clamped with the notch formed in the reinforcing beam, then the bottom of the reinforcing beam and the bottom of the bottom plate longitudinal beam are connected and fixed by friction welding, and other joints are welded in a traditional mode, so that the influence of welding heat on the material strength in the traditional connecting structure is reduced, the integral strength of the bottom plate structure is effectively enhanced, and the strength and the rigidity of a carriage are further ensured;
5. waterproof measures are additionally arranged on side beams of the carriage floor, so that the problem of water seepage in the process of fatigue loss or welding of the side carriage plates is effectively avoided, and the safety in the cargo transportation process is effectively ensured.
Drawings
FIG. 1 is a schematic view of the structure of the present invention from one perspective;
FIG. 2 is a schematic view of another view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is an enlarged partial schematic view of D in FIG. 4;
FIG. 6 is an enlarged partial schematic view of E in FIG. 4;
FIG. 7 is a left side view of the present invention;
FIG. 8 is a B-B cross-sectional view of FIG. 7;
FIG. 9 is an enlarged partial schematic view of F in FIG. 8;
FIG. 10 is an enlarged partial schematic view of the middle G of FIG. 8;
FIG. 11 is an enlarged partial schematic view of H in FIG. 8;
FIG. 12 is an enlarged partial schematic view of the element I of FIG. 11;
FIG. 13 is a C-C cross-sectional view of FIG. 7;
FIG. 14 is an enlarged partial schematic view of J of FIG. 13;
FIG. 15 is an enlarged partial schematic view of the middle K of FIG. 13;
FIG. 16 is a bottom view of the present invention;
FIG. 17 is a schematic view of the connection of the reinforcement beam to the floor stringer;
FIG. 18 is an exploded view of FIG. 16;
FIG. 19 is a schematic view of the structure of the reinforcement beam at the gap;
fig. 20 is a schematic cross-sectional view of the floor stringer.
Detailed Description
The following describes the embodiments and working principles of the present invention in further detail with reference to the drawings.
As shown in fig. 1 to 20, the modular assembled light-weight wagon compartment assembly according to the present embodiment includes a front compartment plate 1, a rear compartment plate 2, two symmetrical side compartment plates 3, a compartment bottom plate 4 and a compartment top plate 5 made of aluminum, the front compartment plate 1, the rear compartment plate 2, the two symmetrical side compartment plates 3, the compartment bottom plate 4 and the compartment top plate 5 enclose a rectangular compartment body, one side compartment plate 3 is provided with a side compartment door 6, the rear compartment plate 2 and the side compartment door 6 are hinged on the side compartment plate 3 through hinges, and the compartment can be sealed through a locking mechanism. The rear carriage door 2 adopts a split double-door design, one side of each door leaf is hinged with a side beam of the side carriage plate 3 through a hinge, the other side of each door leaf is arranged in the middle of a carriage, and sealing of the carriage can be realized through a locking mechanism. The side compartment door 6 has a similar installation structure to the rear compartment door 2, that is, one side is hinged to the side compartment door 3 through a hinge, and the other side is relatively fixed to the side compartment plate 3 through a locking structure.
Regarding the front compartment plate 1 and the side compartment plate 3:
the front deck 1 has a similar structure to the side deck 3, and in this example, the side deck 3 is specifically described. The connection between the front compartment plate 1 and the side compartment plate 3 is achieved by the upright posts 7, two sides of each upright post are respectively provided with a step, and the front compartment plate 1 and the side compartment plate 3 are respectively supported on one of the steps and then fixed by welding.
Regarding the side deck boards 3:
the side carriage plate 3 comprises a waveform side plate body 31, wherein a first side beam wrapping block 32 and a second side beam wrapping block 33 are respectively arranged at the upper side edge and the lower side edge of the side plate body 31, the first side beam wrapping block 32 and the second side beam wrapping block 33 are fixedly connected with the side edge of the carriage bottom plate 4 or the carriage top plate 5, profiling grooves which are matched with the side plate body are respectively arranged on the first side beam Bao Kuai and the second side beam wrapping block 33, the upper side and the lower side of the side plate body 31 are inserted into the profiling grooves and extend outwards for a part, and the extending part s of the side plate body 31 is welded and fixed with the first side beam wrapping block 32 and the second side beam wrapping block 33;
in the prior art, the side plates and the side beams are connected by welding and fixed on the surfaces of the cross beams, and a transverse tearing force is formed at the moment; in this example, the extending portion s of the side plate body 31 is welded and fixed with the upper side wall of the first side beam wrapping block 32 and the lower side wall of the second side beam wrapping block 33 through a profiling groove adapted to the side plate body 31; the transverse tearing force between the side plate and the side beam wrapping block is changed into the longitudinal pulling force, and the deformation resistance of the carriage is improved.
Regarding the first side sill included block 32:
the first side beam wrapping block 32 includes a vertical portion 321, a first lateral portion 322 and a second lateral portion 323 connected to the vertical portion 321, wherein the first lateral portion 322 is connected to a top of the vertical portion 321, the second lateral portion 323 is connected to a middle lower portion of the vertical portion 321, a fastening groove is formed between the first lateral portion 322 and the second lateral portion 323, the fastening groove is fastened to a side edge of the cabin roof 5, the first side beam wrapping block 32 and the cabin roof 5 are fastened and then welded and fixed, the second lateral portion is provided with the profiling groove, and the extending portion s of the side plate body 31 is welded to one side of the second lateral portion 323 close to the first lateral portion 322.
Regarding the second side sill included block 33:
the second side beam 33 includes a fastening portion 331 and a protection portion 332, the fastening portion 331 is configured to fasten to a side edge of the floor 4, after the side floor 3 is fastened to the floor 4, an inner edge of the second side beam 33 is welded to a floor side beam 407 of the floor 4, and the protection portion 331 is riveted and fixed to the floor side beam 407 by a rivet. The imitation groove is formed between the fastening portion 331 and the protecting portion 332, the protruding portion s of the side plate body 31 is welded to the fastening portion 331 and the lower side wall of the protecting portion 332, and the protecting portion 332 is disposed in the cabin and supported on the protruding portion 407b of the bottom plate side beam 407, for providing impact protection for the side cabin plate 3.
Further, the guard 332 includes a planar portion 332a and a slope portion 332b connected to each other, the planar portion 332a is supported on the floor 4, the slope portion 332b extends from the inner side of the planar portion 332a to the side deck 3, a support bar 332c is disposed between the slope portion 332b and the side deck 3, the free end of the support bar 332c extends to contact the side deck 3 and forms a contact head 332d, and a portion between the upper edge of the slope portion 332b and the side deck 3 is welded, that is, only a portion of the wavy side panel body 31 adjacent to the slope portion 332b is welded, thereby reducing the welding workload and providing impact protection for the side deck 3, avoiding deformation caused by local stress of the side deck 3 during cargo impact.
In the embodiment, the side beam wrapping blocks are added on the upper side and the lower side of the side carriage plate 3 and the front carriage plate 1, so that the side carriage plate is sprayed more conveniently; meanwhile, the carriage is divided into seven large plates by utilizing the structure, so that the transportation is more convenient, the transportation difficulty is reduced, the transportation quantity of each carriage is increased, meanwhile, the triangular protection part in the second side beam wrapping block 33 is the protection part 332, the local stress of the front carriage plate 1 and the side carriage plate 3 during the cargo impact is effectively avoided, the deformation resistance of the front carriage plate is enhanced, and meanwhile, the water seepage phenomenon caused by the carriage deformation is effectively avoided.
Regarding the floor 4:
referring to fig. 10 to fig. 16, in this example, the cabin floor 4 includes a floor side beam 407, and a cross-connected floor longitudinal beam 401 and a floor cross beam 402 connected inside the floor side beam 407, where the floor longitudinal beam 401, the floor cross beam 402, and the floor side beam 407 form a rectangular frame structure (in other embodiments, may also form other polygons, etc.), where the floor longitudinal beam 401 is disposed along the length direction of the cabin, a first floor body 403 and a second floor body 404 are laid on the rectangular frame structure, a reinforcing beam 405 is integrally extruded at the bottom of the first floor body 403 by using an aluminum alloy material, the reinforcing beam 405 is disposed parallel to the floor cross beam 402, and a plurality of second floor bodies 404 are disposed between two adjacent first floor bodies 403, and friction welding is fixedly connected between the first floor body 403 and the second floor bodies 404 and between two adjacent second floor bodies 404. It will be appreciated that, in other embodiments, the second bottom plate bodies 404 disposed between the first bottom plate bodies 403 may be any number between 0 and N, that is, if the loading capacity of the vehicle cabin is large, the reinforcement beams 405 are disposed more densely, the vehicle cabin bottom plate 4 may be formed by sequentially splicing the first bottom plate bodies 403, and if the loading capacity is small, the setting interval of the reinforcement beams 405 is increased, so that the second bottom plate bodies 404 belong to unnecessary components.
The stiffening beam 405 and the carriage bottom plate 4 are welded in the prior art, and the stiffening beam 405 and the carriage bottom plate 4 are integrally extruded to form, so that the base metal is prevented from being weakened after welding, and meanwhile, the production mode of integrally extruding is adopted, so that the process steps are reduced, and the production cost is reduced.
Because the deformation resistance of the double-layer aluminum plate structure is greater than that of the single-layer steel plate when the same volume of raw materials are used, the first bottom plate body 403 and the second bottom plate body 404 in this example both adopt double-layer aluminum plate structures, so that the deformation resistance of the carriage bottom plate 4 is enhanced.
Regarding the floor edge beam 407:
in this example, a supporting step 407a is formed on the inner side of the bottom plate edge beam 407, the supporting step 407a is used for supporting the first bottom plate body 403 and the second bottom plate body 404, a protruding portion 407b is formed on the middle portion of the bottom plate edge beam 407 in an upward extending manner, a protruding edge 407c is formed on the outer side of the bottom plate edge beam 407 in an upward extending manner, an overflow groove 407d is formed between the protruding portion 407b and the protruding edge 407c, and the protruding portion of the side plate body 31 is accommodated in the overflow groove 407 d.
Through the overflow groove 407d that sets up on the bottom plate boundary beam 407, when fatigue loss or welding process are not tight and arouse infiltration problem appear in preceding carriage board 1 or side carriage board 3, can effectively discharge water, avoid its inflow carriage to damage the goods, guaranteed the security in the cargo transportation process effectively.
Regarding the floor stringer 401:
two sides of the lower part of the bottom plate longitudinal beam 401 respectively extend outwards to form flanges 401a; the bottom plate longitudinal beam 401 and the flange 401a are integrally extruded and formed by adopting aluminum alloy, and the bottom plate longitudinal beam 401 adopts a multi-cavity structure so as to enhance deformation resistance.
Further, the floor stringer 401 has four cavities, and the height of the cavities on both sides of the upper side is greater than that of the cavities on both sides of the lower side, and the separation of the cavities on both sides of the upper and lower sides is adapted to the forming position of the flange 401 a. It will be appreciated that the floor stringer 401 may have other numbers of cavities and the flange 401a may be correspondingly formed in other locations.
Regarding the connection between the floor stringers 401 and the floor cross-beams 402 or reinforcement beams 405:
in this example, the connection modes between the floor side member 401 and the floor cross member 402 and the connection modes between the floor side member 401 and the reinforcement beam 405 are identical, and the connection modes between the floor side member 401 and the reinforcement beam 405 are described as an example, and the specific connection structure is as follows:
the reinforcing beam 405 is provided with a notch 406 adapted to the bottom plate longitudinal beam 401, the notch 406 is in an inverted T shape, a longitudinal portion of the notch 406 is adapted to the bottom plate longitudinal beam 401 above the flange 401a, the bottom plate longitudinal beam 401 below the flange 401a protrudes from the lower surface of the reinforcing beam 405, a transverse portion of the notch 406 is adapted to the flange 401a, and when the bottom plate longitudinal beam 401 is clamped in the notch 406 formed in the reinforcing beam 405, the lower surface of the reinforcing beam 405 is flush with the lower surface of the flange 401a, thereby meeting the requirement of a large plane required by friction welding. Therefore, the lower surface of the reinforcement beam 405 and the lower surface of the flange 401a are welded and fixed by friction welding, and the rest of the contact part between the reinforcement beam 405 and the floor longitudinal beam 401 is welded and fixed by argon arc welding.
The traditional bottom plate longitudinal beam 401 and the bottom plate transverse beam 402 are welded by argon arc welding, triangular blocks are added for reinforcement at the defects of strength, the construction process is complex, the material strength can be changed when the welding is heated, and the connection strength is limited. In this embodiment, the first base plate body 403 with the reinforcing beam 405 and the base plate longitudinal beam 401 with the flange 401a which are integrally extruded are adopted to perform structural clamping, and the friction welding part is added to enhance the overall strength of the base plate, so that the influence of heat of the traditional welding mode on the strength of the base material is reduced.
Preferably, the flange 401a is provided with a relief groove 401b corresponding to the transverse portion of the notch 406, and when the bottom plate longitudinal beam 401 is clamped in the notch 406, the inner wall of the relief groove 401b contacts with the inner wall of the transverse portion of the notch 406, so that friction welding is facilitated.
It should be understood that the connection between the reinforcement beam 405 and the floor stringer 402 is not limited to the floor 4, and other frame-type connection structures, such as those required to connect the cross beam to the stringer, may be used.
According to the scheme, the side beam wrapping blocks are added on the upper side and the lower side of the side carriage plate 3 and the front carriage plate 1, so that the side carriage plate is sprayed more conveniently; meanwhile, the carriage is divided into seven large plates by utilizing the structure, so that the transportation is more convenient, the transportation difficulty is reduced, the transportation quantity of each carriage is increased, meanwhile, the triangular protection part in the second side beam wrapping block 33 is the protection part 332, the local stress of the front carriage plate 1 and the side carriage plate 3 during the cargo impact is effectively avoided, the deformation resistance of the front carriage plate is enhanced, and meanwhile, the water seepage phenomenon caused by the carriage deformation is effectively avoided. In addition, through the bottom plate reinforced structure, the deformation resistance and the impact resistance of the floor of the carriage are effectively enhanced, the integral strength of the bottom plate structure is effectively enhanced, and the strength and the rigidity of the carriage are further ensured.
The technical scheme provided by the invention is described in detail. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (7)
1. A modular assembled lightweight boxcar assembly, characterized in that: the automobile front door comprises an aluminum front carriage plate, a rear carriage door, two symmetrically arranged side carriage plates, a carriage bottom plate and a carriage top plate, wherein the front carriage plate, the rear carriage door, the two symmetrically arranged side carriage plates, the carriage bottom plate and the carriage top plate enclose a rectangular carriage body, one side carriage plate is provided with the side carriage door, and the rear carriage door and the side carriage door are hinged on the side carriage plate through hinges and can realize the sealing of a carriage through a locking mechanism;
the side carriage plate comprises a side plate body, wherein a first side beam wrapping block and a second side beam wrapping block are respectively arranged at the edges of the upper side and the lower side of the side plate body, the first side beam wrapping block and the second side beam wrapping block are respectively and fixedly connected with the side edges of a carriage top plate and a carriage bottom plate, profiling grooves which are matched with the side plate body are respectively formed in the first side beam wrapping block and the second side beam wrapping block, the upper side and the lower side of the side plate body are inserted into the profiling grooves and extend outwards for a part, and the extending part of the side plate body is welded and fixed with the first side beam wrapping block and the second side beam wrapping block;
the carriage bottom plate comprises a bottom plate boundary beam, and a bottom plate beam and a bottom plate longitudinal beam which are connected into the bottom plate boundary beam, wherein the bottom plate boundary beam, the bottom plate longitudinal beam and the bottom plate beam are connected to form a rectangular frame structure, a first bottom plate body and a second bottom plate body are arranged above the bottom plate beam and the bottom plate longitudinal beam, the bottom of the first bottom plate body is integrally extruded and formed by adopting an aluminum alloy material, the stiffening beam is arranged in parallel with the bottom plate beam, a plurality of second bottom plate bodies are arranged between two adjacent first bottom plate bodies, and friction welding fixed connection is adopted between the first bottom plate body and the second bottom plate body and between two adjacent second bottom plate bodies;
two sides of the lower part of the bottom plate longitudinal beam respectively extend outwards to form flanges; a notch which is matched with the size of the bottom plate longitudinal beam is formed in the reinforcing beam, the bottom plate longitudinal beam is clamped in the notch, the lower surface of the reinforcing beam is flush with the lower surface of the flange, the lower surface of the reinforcing beam and the lower surface of the flange are welded and fixed in a friction welding mode, and the rest contact parts of the reinforcing beam and the bottom plate longitudinal beam are welded and fixed in an argon arc welding mode;
the inner side of the bottom plate side beam is provided with a supporting step which is used for supporting the first bottom plate body and the second bottom plate body, the middle part of the bottom plate side beam extends upwards to form a protruding part, the outer side of the bottom plate side beam extends upwards to form a protruding edge, an overflow groove is formed between the protruding part and the protruding edge, and the protruding part of the side plate body is accommodated in the overflow groove;
the first side beam wrapping block comprises a vertical portion, a first transverse portion and a second transverse portion, wherein the first transverse portion and the second transverse portion are connected to the vertical portion, the first transverse portion is connected to the top of the vertical portion, the second transverse portion is connected to the middle lower portion of the vertical portion, a buckling groove is formed between the first transverse portion and the second transverse portion, the buckling groove is buckled on the side edge of the carriage top plate, the first side beam wrapping block is welded and fixed after being buckled with the carriage top plate, the second transverse portion is provided with the profiling groove, and the extending portion of the side plate body is welded on one side, close to the first transverse portion, of the second transverse portion;
the second side beam wrapping block comprises a buckling part and a protection part, the buckling part is used for being buckled on the side edge of the carriage bottom plate, the side carriage plate and the carriage bottom plate are welded and fixed after being buckled, the imitation groove is formed between the buckling part and the protection part, the extending part of the side plate body is welded on the lower side wall of the buckling part and the protection part, and the protection part is arranged in the carriage and supported on the protruding part of the bottom plate side beam and is used for providing impact force protection for the side carriage plate;
the protection part comprises a plane part and a bevel part which are connected, the plane part is supported on the carriage bottom plate, the bevel part extends from the inner side of the plane part to the side carriage plate, a supporting bar is arranged between the bevel part and the side carriage plate, the free end of the supporting bar extends to be in contact with the side carriage plate, and the upper side edge of the bevel part is partially welded with the side carriage plate.
2. The modular assembled light weight boxcar assembly of claim 1, wherein: the cross section of the first bottom plate body and the stiffening beam is of a T-shaped structure, wherein the first bottom plate body forms a transverse part of the T-shaped structure, and the stiffening beam forms a vertical part of the T-shaped structure.
3. The modular assembled light weight boxcar assembly of claim 2, wherein: the first bottom plate body and the second bottom plate body are both of double-layer aluminum plate structures, and supporting walls are formed between the double-layer aluminum plates.
4. The modular assembled light weight boxcar assembly of claim 1, wherein: the first bottom plate body and the second bottom plate body both adopt a multi-cavity structure.
5. The modular assembled light weight boxcar assembly of claim 1, wherein: the notch is of an inverted T shape, the longitudinal part of the notch is adapted to the bottom plate longitudinal beam above the flange, the bottom plate longitudinal beam below the flange protrudes out of the lower surface of the stiffening beam, and the transverse part of the notch is adapted to the flange.
6. The modular assembled light weight boxcar assembly of claim 5, wherein: and the flange is provided with a yielding groove which is adapted to the transverse part of the notch, and when the bottom plate longitudinal beam is clamped in the notch, the inner wall of the yielding groove is contacted with the inner wall of the transverse part of the notch.
7. The modular assembled light weight boxcar assembly of claim 1, wherein: the bottom plate longitudinal beam and the flange are integrally extruded and formed by adopting aluminum alloy, and the bottom plate longitudinal beam adopts a multi-cavity structure.
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| CN201910655015.4A CN110239635B (en) | 2019-07-19 | 2019-07-19 | Modular assembled light-weight wagon compartment assembly |
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| CN110239635B true CN110239635B (en) | 2023-07-18 |
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| CN113086027A (en) * | 2021-04-26 | 2021-07-09 | 安徽轻运达科技有限公司 | Lightweight automobile compartment body production process and compartment body |
| CN113147918B (en) * | 2021-04-28 | 2024-01-26 | 山东鑫能昆冈轻量化装备有限公司 | Carriage of van-type vehicle |
| CN115042880B (en) * | 2022-05-31 | 2023-07-18 | 江西江铃专用车辆厂有限公司 | Lightweight mobile power supply vehicle |
| CN114952190B (en) * | 2022-05-31 | 2023-02-07 | 江西江铃专用车辆厂有限公司 | Lightweight container hydraulic tail plate processing device and combination method |
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