CN220785907U

CN220785907U - Logistics vehicle chassis

Info

Publication number: CN220785907U
Application number: CN202322783086.7U
Authority: CN
Inventors: 冀宏伟; 高国然; 石冰云; 王雪; 芦佳宾; 郭梦圆; 林小淞; 王艳滨
Original assignee: China National Heavy Duty Truck Group Jinan Power Co Ltd
Current assignee: China National Heavy Duty Truck Group Jinan Power Co Ltd
Priority date: 2023-10-17
Filing date: 2023-10-17
Publication date: 2024-04-16
Anticipated expiration: 2033-10-17

Abstract

The utility model provides a logistics vehicle chassis, which relates to the field of logistics vehicle chassis, and adopts the following scheme: including the frame assembly, the frame assembly is including two longerons that set up relatively, the longeron all adopts the individual layer structure, be provided with the reinforcing seat subassembly on the longeron, the reinforcing seat subassembly sets up on the longeron with the position that front suspension corresponds, two be provided with the entablature between the longeron, the entablature is installed with the position that rear suspension corresponds on the longeron. The utility model can improve the cruising ability of the logistics vehicle.

Description

Logistics vehicle chassis

Technical Field

The utility model relates to the field of logistics vehicle chassis, in particular to a logistics vehicle chassis.

Background

With the rise and development of online shopping, a great deal of demands are put forward on the commodity transfer process, and the demands are converted into commodity distribution and transportation, namely logistics, which is embodied as inter-city air transportation, iron transportation and road transportation, and the commodities are further sorted and distributed to designated addresses after reaching cities. In the process of logistics and express inter-city transportation, automobile transportation is mostly adopted.

The van is also called a van, is mainly used for transporting various articles in a full-sealed mode, the special van can also be used for transporting chemical dangerous articles, the top of a carriage of the van is full-sealed, has a good rainproof function, meanwhile, a door is arranged behind the carriage, goods can be conveniently loaded and unloaded, a car body is made of high-quality steel, good wear resistance and impact resistance are achieved, the safety of transporting the goods can be effectively guaranteed, the whole car is tight, the van is suitable for transporting various articles, and compared with other common trucks, the van has the advantages of being flexible in maneuvering, convenient to operate, efficient in work, large in transportation capacity, fully utilizing space, safe and reliable, and therefore the van is widely used in logistics transportation and becomes a logistics car.

Along with the development of logistics industry, the continuous voyage requirements of van for logistics are continuously improved, but the chassis of the existing logistics vehicle comprises a cab, a frame assembly, a front suspension, a front axle assembly, a power assembly, a battery box module, a double fuel tank module, a rear suspension, tires, a rear axle assembly and a wheel assembly, the length of a longitudinal beam of the frame assembly can reach more than ten meters and adopts a double-layer structure, so that the chassis is heavy in weight, and the continuous voyage capability is poor.

Disclosure of Invention

In order to solve the technical problem of the logistics vehicle endurance in the prior art, the utility model provides the logistics vehicle chassis which can improve the endurance.

In order to solve the technical problems, in a first aspect, the utility model provides a logistics vehicle chassis, which comprises a vehicle frame assembly, wherein the vehicle frame assembly comprises two longitudinal beams which are oppositely arranged, the longitudinal beams are of a single-layer structure, reinforcing seat assemblies are arranged on the longitudinal beams, the reinforcing seat assemblies are arranged at positions on the longitudinal beams corresponding to a front suspension, reinforcing cross beams are arranged between the two longitudinal beams, and the reinforcing cross beams are arranged at positions on the longitudinal beams corresponding to a rear suspension. The chassis dead weight is greatly reduced through adopting the longitudinal beam with the single-layer structure, the cruising ability is improved, the strength of the frame assembly is enhanced through the reinforcing seat component and the reinforcing cross beam, and the use requirement is met.

Further, along the vehicle driving direction, front suspension and front axle assembly are provided with in front of frame assembly below, the front end of frame assembly still is provided with the driver's cabin, be located on the frame assembly the driver's cabin lower part is provided with power assembly, one of them be located on the longeron the driver's cabin rear portion has set gradually fuel strainer and urea case, another be located on the longeron the driver's cabin rear portion has set gradually exhaust aftertreatment assembly and storage battery case module, frame assembly rear portion below is provided with rear suspension and rear axle assembly.

Further, the reinforcing seat assembly comprises a large reinforcing seat and a small reinforcing seat, the length of the large reinforcing seat is larger than that of the small reinforcing seat, the small reinforcing seat is arranged on the inner side of the longitudinal beam, the small reinforcing seat corresponds to the plate spring support at the front part of the front suspension, the large reinforcing seat is arranged on the inner side of the longitudinal beam and is positioned on the rear side of the small reinforcing seat, one of the large reinforcing seat on the longitudinal beam covers the plate spring support at the rear part of the front suspension, the fuel strainer and the arrangement area of the urea box, and the other large reinforcing seat on the longitudinal beam covers the plate spring support at the rear part of the front suspension, the exhaust aftertreatment assembly and the arrangement area of the battery box module. Through the cooperation of big boss and little boss, on the one hand can strengthen the position of installing other assembly atress on the longeron, on the other hand, guarantee single layer type structure in the position that the longeron need not strengthen, reduce chassis weight, satisfy the dual requirement of strengthening and lightweight.

Further, the big reinforcing seat and the small reinforcing seat are of L-shaped structures, and a plurality of mounting holes corresponding to the corresponding longitudinal beams are formed in the big reinforcing seat and the small reinforcing seat. Corresponding assembly and other parts can be conveniently installed through corresponding mounting holes arranged on the longitudinal beam on the size reinforcing seat.

Furthermore, the small reinforcing seat is also provided with reinforcing ribs. The strength of the small reinforcing seat can be enhanced through the reinforcing ribs.

Further, a plurality of torsion-resistant cross beams are arranged between the two longitudinal beams.

Further, the rear portion of the large reinforcement plate extends to the adjacent torsion beam. Further enhancing the strength of the torsion-resistant cross beam arranged on the longitudinal beam.

Further, along the vehicle driving direction, two the longeron includes narrow end and wide end in proper order, the narrow end with the wide end passes through the bending part and connects, the bending part to the chassis outside extends, the wide end with the power assembly is connected. The front part of the frame assembly can be widened to meet the assembly bearing requirement by arranging the bending part, and the rear part of the frame assembly is narrower, so that the lengths of the torsion-resistant cross beam and the reinforcing cross beam are greatly shortened, and the light weight is realized.

Further, the reinforcing beam comprises two channel steel, the two channel steel groove bottoms are connected with each other, connecting plates are respectively arranged at the two ends of the reinforcing beam, each connecting plate is of a trapezoid structure, the wide end of each connecting plate is provided with a flanging, the flanging is connected with the inner side of the longitudinal beam, and the connecting plates correspond to plate spring seats of the rear suspension. The bottom parts of the two channel steels are connected to form the reinforcing cross beam to strengthen the strength of the reinforcing cross beam, prevent deformation and ensure the supporting strength of the longitudinal beam.

Furthermore, the outer sides of the two longitudinal beams are provided with oil tanks. The oil storage capacity of the chassis can be enhanced by adopting the double oil tanks, and the cruising ability is further improved.

Further, the battery box module comprises a battery seat, the battery seat comprises a bottom plate, side plates are vertically arranged on two sides of the bottom plate, and the side plates are of right trapezoid structures. The weight of the battery seat can be reduced by adopting a structure that the side plates are right trapezoid, and the weight is further reduced.

From the above technical scheme, the utility model has the following advantages:

the utility model provides a logistics vehicle chassis, which greatly reduces the dead weight of the chassis by adopting a single-layer longitudinal beam, improves the cruising ability, and enhances the strength of a vehicle frame assembly by a reinforcing seat component and a reinforcing cross beam so as to meet the use requirement; through the cooperation of big reinforcing seat and little reinforcing seat, on the one hand can strengthen the position of installing other assembly atress on the longeron, on the other hand, guarantee single layer formula structure in the position that the longeron need not strengthen, reduce chassis weight, satisfy the dual requirement of strengthening and lightweight; the corresponding assembly and other parts can be conveniently installed through the corresponding installation holes arranged on the longitudinal beam on the size reinforcing seat; the front part of the frame assembly can be widened to meet the assembly bearing requirement by arranging the bending part, and the rear part of the frame assembly is narrower, so that the lengths of the torsion-resistant cross beam and the reinforcing cross beam are greatly shortened, and the weight reduction is realized; the bottoms of the two channel steels are connected to form a reinforcing cross beam to strengthen the strength of the reinforcing cross beam, prevent deformation and ensure the supporting strength of the longitudinal beam; the oil storage capacity of the chassis can be enhanced by adopting the double oil tanks, and the cruising ability is further improved; the weight of the battery seat can be reduced by adopting a structure that the side plates are right trapezoid, and the weight is further reduced.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a frame assembly according to an embodiment of the present utility model.

Fig. 3 is a schematic view illustrating an assembly structure of a frame assembly and a front suspension according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of a stringer according to an embodiment of the present utility model.

Fig. 5 is a schematic structural view of a reinforcing beam in an embodiment of the present utility model.

Fig. 6 is a schematic structural diagram of a battery holder according to an embodiment of the utility model.

In the figure, 1, a cab; 2. a frame assembly; 201. stringers, 202, large reinforcement seats, 203, torsion-resistant cross members; 204. a reinforcing beam; 205. a small reinforcing seat; 206. a narrow end, 207, bend; 208. a wide end; 209. channel steel; 210. a connecting plate; 211. flanging; 3. a front suspension; 301. a front beam; 4. a front axle assembly; 5. a power assembly; 6. a battery holder; 7. an oil tank; 8. a rear suspension; 9. a hub; 10. a rear axle assembly; 601. a side plate; 602. a reinforcing plate; 603. a bottom plate.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.

As shown in fig. 1 to 3, the present embodiment provides a logistics vehicle chassis, which comprises a frame assembly 2, a front suspension 3, a front axle assembly 4, a cab 1, a power assembly 5, a fuel oil coarse filter, a urea box, an exhaust gas post-treatment assembly, a rear axle assembly 10 and a battery box module; the frame assembly 2 comprises two longitudinal beams 201 which are oppositely arranged, wherein the longitudinal beams 201 are of a single-layer structure, reinforcing seat assemblies are arranged on the longitudinal beams 201, the reinforcing seat assemblies are arranged at positions, corresponding to the front suspensions 3, on the longitudinal beams 201, reinforcing cross beams 204 are arranged between the two longitudinal beams 201, and the reinforcing cross beams 204 are arranged at positions, corresponding to the rear suspensions 8, on the longitudinal beams 201. The chassis dead weight is greatly reduced through adopting the longitudinal beam 201 with a single-layer structure, the cruising ability is improved, the strength of the frame assembly 2 is enhanced through the reinforcing seat component and the reinforcing cross beam 204, and the use requirement is met.

As shown in fig. 1, in this embodiment, along the running direction of the vehicle, a front suspension 3 and a front axle assembly 4 are disposed below the front portion of a frame assembly 2, a cab 1 is further disposed at the front end of the frame assembly 2, a power assembly 5 is disposed below the cab 1 on the frame assembly 2, a fuel strainer and a urea tank are sequentially disposed on one of longitudinal beams 201 and behind the cab 1, an exhaust aftertreatment assembly and a battery box module are sequentially disposed on the other longitudinal beam 201 and behind the cab 1, and a rear suspension 8 and a rear axle assembly 10 are disposed below the rear portion of the frame assembly 2.

As shown in fig. 1 and 3, in order to satisfy both strength and light weight requirements, in this embodiment, the reinforcing seat assembly includes a large reinforcing seat 202 and a small reinforcing seat 205, the length of the large reinforcing seat 202 is greater than that of the small reinforcing seat 205, the small reinforcing seat 205 is disposed inside the side member 201 by welding, the small reinforcing seat 205 corresponds to the leaf spring support at the front of the front suspension 3, the large reinforcing seat 202 is disposed inside the side member 201 by welding and is located at the rear side of the small reinforcing seat 205, the large reinforcing seat 202 on one of the side members 201 covers the arrangement area of the leaf spring support at the rear of the front suspension 3, the fuel strainer and the urea tank, and the large reinforcing seat 202 on the other side member 201 covers the arrangement area of the leaf spring support at the rear of the front suspension 3, the exhaust aftertreatment assembly and the battery tank module. Through the cooperation of big reinforcement seat 202 and little reinforcement seat 205, on the one hand can strengthen the position of installing other assembly atress on longeron 201, on the other hand, guarantee single-layer structure in the position that longeron 201 need not strengthen, reduce chassis weight.

As shown in fig. 3, in this embodiment, for easy installation, the large reinforcing seat 202 and the small reinforcing seat 205 are each in an L-shaped structure, and a plurality of installation holes corresponding to the corresponding stringers 201 are provided on each of the large reinforcing seat 202 and the small reinforcing seat 205; the small reinforcing seat 205 is further provided with reinforcing ribs, and the strength of the small reinforcing seat 205 can be enhanced by the reinforcing ribs.

As shown in fig. 2, in order to ensure torsional strength of the present frame assembly 2, a plurality of torsion beams 203 are disposed between two longitudinal beams 201, and in order to further enhance the strength of the longitudinal beams 201 where the torsion beams 203 are disposed, the rear portion of the large reinforcing plate 602 extends to the adjacent torsion beams 203.

As shown in fig. 4, in order to meet the requirements of light weight and loading of the frame assembly 2, in this embodiment, along the running direction of the vehicle, two stringers 201 sequentially include a narrow end 206 and a wide end 208, the narrow end 206 and the wide end 208 are connected by a bending portion 207, the bending portion 207 extends to the outside of the chassis, the wide end 208 is connected with the power assembly 5, and by providing the bending portion 207, the front portion of the frame assembly 2 can be widened to meet the requirements of assembly and bearing, and the rear portion of the frame assembly 2 is narrower, so that the lengths of the torsion beam 203 and the reinforcing beam 204 are greatly shortened, and light weight is realized; in the present embodiment, the angle between the bending portion 207 and the traveling direction is 5 °.

As shown in fig. 5, in this embodiment, the reinforcing beam 204 includes two channel steel 209, the bottoms of the two channel steel 209 are connected with each other, two ends of the reinforcing beam 204 are respectively provided with a connecting plate 210, the connecting plate 210 has a trapezoid structure, a wide end 208 of the connecting plate 210 is provided with a flange 211, the flange 211 is connected with the inner side of the longitudinal beam 201 through a bolt, and the connecting plate 210 corresponds to a plate spring seat of the rear suspension 8; the strength of the reinforcing beam 204 is enhanced by connecting the bottoms of the two channel steel 209 to form the reinforcing beam 204, deformation is prevented, and the supporting strength of the longitudinal beam 201 is ensured.

As shown in fig. 1, in order to further enhance cruising ability, the outer sides of both stringers 201 are provided with fuel tanks 7.

As shown in fig. 6, in order to further realize light weight, the battery box module includes a battery seat 6, the battery seat 6 includes a bottom plate 603, a reinforcing plate 602 is provided on the bottom plate 603, two sides of the bottom plate 603 are vertically provided with side plates 601, front and rear ends of the two side plates 601 are respectively provided with a connecting plate 210, and the side plates 601 are in a right trapezoid structure. The weight of the battery holder 6 can be reduced by adopting a right trapezoid structure of the side plate 601, and further, the weight reduction is realized.

As shown in fig. 3, in this embodiment, in order to improve the trafficability of the whole vehicle, the front beam 301 adopts a small-drop i-beam, which reduces the distance from the assembly center of the hub 9 to the vertical direction of the surface on which the saddle bolts are mounted on the front beam 301, from 90mm to 83mm, and increases the ground clearance of the chassis.

From the above detailed description, it can be seen that the present utility model has the following advantages:

1. the self weight of the chassis is greatly reduced by adopting the longitudinal beam 201 with a single-layer structure, the cruising ability is improved, and the strength of the frame assembly 2 is enhanced by the reinforcing seat component and the reinforcing cross beam 204, so that the use requirement is met;

2. through the cooperation of the large reinforcing seat 202 and the small reinforcing seat 205, on one hand, the stressed parts of other assemblies installed on the longitudinal beam 201 can be reinforced, on the other hand, a single-layer structure is ensured at the position of the longitudinal beam 201 which does not need to be reinforced, the weight of the chassis is reduced, and the double requirements of reinforcement and light weight are met;

3. the corresponding assembly and other components can be conveniently installed through corresponding installation holes arranged on the longitudinal beam 201 on the size reinforcing seat 205;

4. the bending part 207 is arranged to ensure that the front part of the frame assembly 2 is widened to meet the assembly bearing requirement, and the rear part of the frame assembly 2 is narrower, so that the lengths of the torsion-resistant cross beam 203 and the reinforcing cross beam 204 are greatly shortened, and the weight reduction is realized;

5. the bottoms of the two channel steels 209 are connected to form the reinforcing cross beam 204, so that the strength of the reinforcing cross beam 204 is enhanced, the deformation is prevented, and the supporting strength of the longitudinal beam 201 is ensured;

6. the double oil tanks 7 are adopted, so that the oil storage capacity of the chassis can be enhanced, and the cruising ability is further improved;

7. the weight of the battery holder 6 can be reduced by adopting a right trapezoid structure of the side plate 601, and further, the weight reduction is realized.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a commodity circulation car chassis, includes frame assembly (2), its characterized in that, frame assembly (2) are including two longerons (201) of relative setting, and longeron (201) all adopt single-layer structure, are provided with on longeron (201) and strengthen the seat subassembly, strengthen the seat subassembly setting on longeron (201) with the position that front suspension (3) corresponds, be provided with between two longerons (201) and strengthen crossbeam (204), strengthen crossbeam (204) and install on longeron (201) with the position that rear suspension (8) corresponds.

2. The logistics vehicle chassis of claim 1, wherein a front suspension (3) and a front axle assembly (4) are arranged below the front part of the frame assembly (2) along the running direction of the vehicle, the cab (1) is further arranged at the front end of the frame assembly (2), the power assembly (5) is arranged on the frame assembly (2) and positioned below the cab (1), the fuel strainer and the urea box are sequentially arranged on one longitudinal beam (201) and positioned at the rear part of the cab (1), the exhaust aftertreatment assembly and the battery box module are sequentially arranged on the other longitudinal beam (201) and positioned at the rear part of the cab (1), and the rear suspension (8) and the rear axle assembly (10) are sequentially arranged below the rear part of the frame assembly (2).

3. The logistics vehicle chassis of claim 2, wherein the reinforcement seat assembly comprises a large reinforcement seat (202) and a small reinforcement seat (205), the length of the large reinforcement seat (202) is larger than that of the small reinforcement seat (205), the small reinforcement seat (205) is arranged inside the longitudinal beam (201), the small reinforcement seat (205) corresponds to a plate spring support at the front part of the front suspension (3), the large reinforcement seat (202) is arranged inside the longitudinal beam (201) and is positioned at the rear side of the small reinforcement seat (205), the large reinforcement seat (202) on one longitudinal beam (201) covers the plate spring support at the rear part of the front suspension (3), the arrangement area of the fuel strainer and the urea tank, and the large reinforcement seat (202) on the other longitudinal beam (201) covers the plate spring support at the rear part of the front suspension (3), the exhaust aftertreatment assembly and the arrangement area of the battery tank module.

4. A logistics vehicle chassis according to claim 3, characterized in that the large reinforcing seat (202) and the small reinforcing seat (205) are of L-shaped structures, the large reinforcing seat (202) and the small reinforcing seat (205) are provided with a plurality of mounting holes corresponding to the corresponding longitudinal beams (201), and the small reinforcing seat (205) is also provided with reinforcing ribs.

5. A logistics vehicular chassis as claimed in claim 3, characterized in that a plurality of torsion-resistant cross members (203) are arranged between the two longitudinal members (201).

6. The logistics vehicle chassis of claim 5, characterized in that the rear portion of the large reinforcement plate (602) extends to the adjacent torsion beam (203).

7. The logistics vehicle chassis of claim 5, wherein the two longitudinal beams (201) sequentially comprise a narrow end (206) and a wide end (208) along the running direction of the vehicle, the narrow end (206) and the wide end (208) are connected through a bending part (207), the bending part (207) extends to the outer side of the chassis, and the wide end (208) is connected with the power assembly (5).

8. The logistics vehicle chassis of claim 2, wherein the reinforcing cross beam (204) comprises two channel steel (209), the bottoms of the two channel steel (209) are connected with each other, the two ends of the reinforcing cross beam (204) are respectively provided with a connecting plate (210), the connecting plates (210) are in a trapezoid structure, the wide ends (208) of the connecting plates (210) are provided with flanges (211), the flanges (211) are connected with the inner sides of the longitudinal beams (201), and the connecting plates (210) correspond to plate spring seats of the rear suspension (8).

9. A logistics vehicle chassis according to claim 2, characterized in that the outer sides of both stringers (201) are provided with fuel tanks (7).

10. The logistics vehicle chassis of claim 2, wherein the battery box module comprises a battery seat (6), the battery seat (6) comprises a bottom plate (603), two sides of the bottom plate (603) are vertically provided with side plates (601), and the side plates (601) are of a right trapezoid structure.