CN206307118U - Electronic logistic car assembly structure - Google Patents

Abstract

The utility model provides an assembly structure of an electric logistics vehicle, which includes a vehicle body assembly structure, a chassis assembly structure and a battery box assembly structure; the battery box assembly structure is arranged side by side with the chassis assembly structure and The chassis assembly structure supports the body assembly structure together; the body assembly structure includes a compartment structure and a cab structure; the compartment structure is installed on the chassis assembly structure; the battery box assembly structure includes A battery box frame, the battery box frame is integrally designed with the chassis assembly structure, and supports the compartment structure together with the chassis assembly structure. The assembly structure of the electric logistics vehicle provided by the utility model integrates the body assembly structure, the chassis assembly structure and the battery box frame, re-optimizes the design of the entire vehicle structure, and reduces the weight of the entire vehicle.

Description

Electric logistics vehicle assembly structure

【Technical field】

The utility model relates to the technical field of electric vehicles, in particular to an assembly structure of an electric logistics vehicle.

【Background technique】

In recent years, with the rapid development of the logistics industry, the demand for freight has also increased. Electric logistics vehicles have broad market prospects due to their advantages of energy saving, environmental protection and low operating costs.

The existing electric vehicle logistics vehicle mainly removes the traditional vehicle power system such as the engine from the traditional vehicle chassis, then mounts the battery pack, and then connects the compartment and the chassis girder through U-shaped bolts to form an electric logistics vehicle assembly structure. However, the electric logistics vehicle assembly has heavy structural weight and poor structural rigidity.

In view of this, it is necessary to provide a new type of electric logistics vehicle assembly structure to overcome the above-mentioned defects.

【Content of utility model】

The purpose of the utility model is to provide an electric logistics vehicle assembly structure, which is light in weight and strong in structural rigidity.

In order to achieve the above object, the utility model provides an electric logistics vehicle assembly structure, the electric logistics vehicle assembly structure includes a body assembly structure, a chassis assembly structure and a battery box assembly structure; the battery box assembly structure It is arranged side by side with the chassis assembly structure and supports the body assembly structure together with the chassis assembly structure; the body assembly structure includes a compartment structure and a cab structure; the compartment structure includes two first longitudinal Beams, two second longitudinal beams, several first vertical beams, several first cross beams and two third longitudinal beams; the two first longitudinal beams are arranged in parallel and spaced apart in the same horizontal plane and close to the chassis assembly structure ; the two second longitudinal beams are arranged in parallel and spaced apart in another horizontal plane and away from the chassis assembly structure, and correspond to the two first longitudinal beams in the vertical direction and are parallel to each other; A plurality of first vertical beams; one end is perpendicular to the first vertical beam and abuts against the first vertical beam, and the other end extends toward the direction of the second vertical beam and vertically protrudes from the second vertical beam The two ends of the plurality of first beams are connected to the ends of the two corresponding first vertical beams protruding from the second vertical beam; the third vertical beam is parallel to the first vertical beam and The second longitudinal beam is close to the second longitudinal beam; the cab structure includes two fourth longitudinal beams, two second cross beams, several second vertical beams, two third vertical beams and several third cross beams; The two fourth longitudinal beams are respectively formed by extending the two third longitudinal beams toward the structural direction of the cab; the two second cross beams are connected between ends of the two fourth longitudinal beams; The plurality of second vertical beams are connected between the first beam and the second beam close to the cab structure; one end of the two third vertical beams is respectively connected to the two fourth vertical beams The ends are connected, and the other end extends toward the direction of the chassis assembly structure; the plurality of third beams are connected at intervals between the two third vertical beams; the chassis assembly structure includes two fifth Longitudinal beams, two sixth longitudinal beams and several fourth crossbeams; the two fifth longitudinal beams are arranged in parallel in the horizontal direction and close to the two first longitudinal beams; the two sixth longitudinal beams are arranged on the The two fifth longitudinal beams are far away from the side of the first longitudinal beam; the plurality of fourth transverse beams are arranged vertically to the two fifth longitudinal beams, and the two ends of the fifth longitudinal beams protrude from the two fifth longitudinal beams respectively. It is fixedly connected with the first longitudinal beam; the battery box assembly structure includes a battery box frame; the battery box frame includes two support beams, a first load beam and a second load beam; the two support beams One end of each of the two fourth beams is respectively connected to one end, and the other end extends toward the direction of the sixth longitudinal beam; , and parallel to the sixth longitudinal beam; the second load beam is connected in the middle of the two support beams, and parallel to the first load beam.

In a preferred embodiment, a slanting beam is further arranged between the two fifth longitudinal beams and the plurality of fourth cross beams; the slanting beam and the fifth longitudinal beam are arranged at an included angle.

In a preferred embodiment, the chassis assembly structure further includes an anti-collision beam, and the anti-collision beam is arranged at one end of the two fifth longitudinal beams close to the plurality of third cross beams.

In a preferred embodiment, the interior of the anti-collision beam is filled with foamed aluminum.

In a preferred embodiment, the plurality of first beams are arranged in parallel and at intervals; the plurality of first beams and the plurality of first vertical beams are connected by a welding process.

In a preferred embodiment, the first vertical beams are connected to the first longitudinal beams and the second longitudinal beams using a mortise and tenon technique, and the mortise and tenon joints are further bonded. connect.

In a preferred embodiment, the two second beams, the plurality of second vertical beams, the two third vertical beams and the plurality of third beams are all arc-shaped.

In a preferred embodiment, the two ends of the plurality of fourth beams are provided with installation parts for fixed connection with the first longitudinal beam; the first longitudinal beam is fixedly connected with the installation part through a riveting process .

In a preferred embodiment, a layer of battery boxes is respectively placed on the first load beam and the second load beam.

In a preferred embodiment, the chassis assembly structure is a truss structure; the compartment structure and the cab structure are both made of aluminum alloy profiles.

The assembly structure of the electric logistics vehicle provided by the utility model integrates the body assembly structure, the chassis assembly structure and the battery box frame, re-optimizes the design of the entire vehicle structure, and reduces the weight of the entire vehicle.

【Description of drawings】

Fig. 1 is a three-dimensional schematic diagram of the assembly structure of the electric logistics vehicle provided by the utility model.

Fig. 2 is a three-dimensional schematic diagram of the car assembly structure in Fig. 1 .

FIG. 3 is a schematic perspective view of the chassis assembly structure and the battery box assembly structure in FIG. 1 .

【detailed description】

In order to make the purpose, technical solution and beneficial technical effects of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementations described in this specification are only for explaining the utility model, not for limiting the utility model.

Referring to FIGS. 1-2 , the electric logistics vehicle assembly structure 100 includes a vehicle body assembly structure 10 , a chassis assembly structure 20 and a battery box assembly structure 30 . Wherein, the body assembly structure 10 is arranged on the chassis assembly structure 20 for providing convenient working conditions for the driver and comfortable riding conditions for the occupants and protecting them from vibration and noise when the vehicle is running. , the invasion of exhaust gas and the impact of the harsh external climate. The chassis assembly structure 20 is used to support or install components such as clutches, transmissions, universal joints, transmission shafts, drive axles, vehicle frames, axles, suspensions and wheels. The battery box assembly structure 30 is arranged side by side with the chassis assembly structure 20 and supports the vehicle body assembly structure 10 together with the chassis assembly structure 20 . In addition, the battery box assembly structure 30 is also used to provide power for the electric logistics vehicle 100 . In this embodiment, the vehicle body assembly structure 10 is a load-bearing vehicle body. The chassis assembly structure 20 is a truss structure.

The body assembly structure 10 includes a compartment structure 11 and a cab structure 12 . Wherein, the carriage structure 11 is used to form a carriage to carry goods that need to be transported. The cab structure 11 is used to form a cab to provide a comfortable driving environment for the driver. In this embodiment, both the compartment structure 11 and the cab structure 12 are designed with lightweight and high-strength alloy profiles. Specifically, it may be an aluminum alloy profile.

The compartment structure 11 includes two first longitudinal beams 111 , two second longitudinal beams 112 , several first vertical beams 113 , several first cross beams 114 and two third longitudinal beams 115 . The two first longitudinal beams 111 are arranged parallel and spaced apart in the same horizontal plane and are close to the chassis assembly structure 20 . The two second longitudinal beams 112 are arranged parallel and spaced apart in another horizontal plane and away from the chassis assembly structure 20 . In this embodiment, the two first longitudinal beams 111 and the two second longitudinal beams 112 correspond to each other in the vertical direction and are parallel to each other. One end of the plurality of first vertical beams 113 is perpendicular to the first vertical beam 111 and abuts against the first vertical beam 111 , and the other end extends toward the direction of the second vertical beam 112 and extends vertically out of the first vertical beam 111 . Describe the second longitudinal beam 112. Further, the plurality of longitudinal beams 113 are arranged parallel to each other and spaced apart. In this embodiment, the first vertical beams 113 are connected to the first longitudinal beams 111 and the second longitudinal beams 112 using a mortise and tenon technique, and an adhesive process is further used at the mortise and tenon joints. To strengthen the rigidity of the compartment structure 10 . Both ends of the plurality of first cross beams 114 are connected to ends of two corresponding first vertical beams 113 protruding from the second longitudinal beam 112 . In this embodiment, the plurality of first beams 114 are arranged in parallel and at intervals. The first beam 114 is connected to the first vertical beam 113 by welding. The third longitudinal beam 115 is parallel to the first longitudinal beam 111 and the second longitudinal beam 112 and is close to the second longitudinal beam 112 .

The cab structure includes two fourth longitudinal beams 121 , two second cross beams 122 , several second vertical beams 123 , two third vertical beams 124 and several third cross beams 125 . Wherein, the two fourth longitudinal beams 121 are respectively formed by extending the two third longitudinal beams 115 toward the cab structure 12 . The two second beams 122 are connected between ends of the two fourth longitudinal beams 121 . In this embodiment, the two second beams 122 are arc-shaped. The plurality of second vertical beams 123 are connected between the first beam 114 and the second beam 122 close to the cab structure 12 . In this embodiment, the plurality of second vertical beams 123 are arc-shaped. One ends of the two third vertical beams 124 are respectively connected to ends of the two fourth vertical beams 121 , and the other ends extend toward the chassis assembly structure 20 . In this embodiment, the two third vertical beams 124 are arc-shaped. The plurality of third beams 125 are connected between the two third vertical beams 124 at intervals. In this embodiment, the plurality of third beams 125 are arc-shaped.

The vehicle body assembly structure 10 provided by the utility model, since the compartment structure 11 and the cab structure 12 are designed with light-weight and high-strength alloy profiles, and are integrated into a whole through the connection process of mortise and tenon and welding, This makes the body assembly structure 10 lighter in weight, thereby avoiding the problem of the vehicle being overweight due to the separate design of the traditional cab and the traditional compartment.

Please refer to FIG. 3 , the chassis assembly structure 20 includes two fifth longitudinal beams 21 , two sixth longitudinal beams 22 , several fourth cross beams 23 and anti-collision beams 24 . The two fifth longitudinal beams 21 are arranged in parallel along the horizontal direction and close to the two first longitudinal beams 111 . The two sixth longitudinal beams 22 are disposed on a side of the two fifth longitudinal beams 21 away from the first longitudinal beam 111 . In this embodiment, the two sixth longitudinal beams 22 are arranged in parallel along the horizontal direction, and correspond to the two fifth longitudinal beams 21 in the vertical direction respectively.

The plurality of fourth cross beams 23 are arranged perpendicular to the two fifth longitudinal beams 21 , and both ends protrude from the two fifth longitudinal beams 21 . In this embodiment, two ends of the plurality of fourth beams 23 are provided with mounting portions 231 for fixed connection with the first longitudinal beams 111 . In this embodiment, the first longitudinal beam 111 is fixedly connected to the installation portion 231 through a riveting process. In addition, the plurality of fourth cross beams 23 are interspersed with the two first longitudinal beams 21 , thereby ensuring the rigidity and strength of the chassis assembly structure 20 . Further, an oblique beam 26 is also arranged between the two fifth longitudinal beams 21 and the plurality of fourth cross beams 23 . The inclined beam 26 and the fifth longitudinal beam 21 are arranged at an angle.

The anti-collision beam 24 is disposed at one end of the two fifth longitudinal beams 21 close to the plurality of third cross beams 125 . In this embodiment, the interior of the anti-collision structure 24 is filled with lightweight energy-absorbing materials such as aluminum foam to improve the safety performance of collisions.

The battery box assembly structure 30 includes a battery box frame 31 and a battery box 32 . The battery box frame 31 includes two support beams 311 , a first load beam 312 , and a second load beam 313 . Wherein, one ends of the two supporting beams 311 are respectively connected to one ends of the two fourth cross beams 23 , and the other ends extend toward the direction of the sixth longitudinal beam 22 . The first load beam 312 connects the ends of the two support beams 311 away from the fourth beam 23 and is parallel to the sixth longitudinal beam 23 . The second load beam 313 is connected between the two support beams 311 and parallel to the first load beam 312 . The battery box 32 is divided into two layers and placed on the first load beam 312 and the second load beam 313 respectively. In this embodiment, the battery box 32 is used to accommodate batteries to provide power for the electric logistics vehicle 100 , and is made of light alloys with high thermal conductivity and polymer materials. Therefore, the weight of the battery pack can be effectively reduced and heat dissipation is facilitated. In addition, since the battery box frame 31 is integrated with the chassis assembly structure 20 and participates in the overall stress, it not only ensures the safety of the battery box 32 but also achieves a lightweight effect.

Compared with the traditional logistics vehicle assembly structure, the electric logistics vehicle assembly structure 100 provided by the utility model integrates the body assembly structure 10, chassis assembly structure 20 and battery box frame 31 into an optimized design. The structure of the whole vehicle is designed with light weight and high strength alloy profiles, thereby reducing the weight of the whole vehicle. In addition, because the body assembly structure 10 and the chassis assembly structure 20 are connected by mortise and tenon joints, adhesion, riveting and spot welding, bolt connection is avoided, and the connection strength is ensured while the connection process is light. quantified effect.

The utility model is not limited to the description in the description and the implementation, so those skilled in the art can easily realize additional advantages and modifications, so without departing from the spirit and general concept defined by the claims and equivalent scope Without limitation, the invention is not limited to the specific details, representative apparatus, and illustrative examples shown and described herein.

Claims (10)

1. An assembly structure of an electric logistics vehicle, characterized in that: the assembly structure of the electric logistics vehicle comprises a vehicle body assembly structure, a chassis assembly structure and a battery box assembly structure; the battery box assembly structure and the The chassis assembly structure is arranged side by side and supports the body assembly structure together with the chassis assembly structure; the body assembly structure includes a compartment structure and a driver's cab structure; the compartment structure includes two first longitudinal beams, two a second longitudinal beam, a plurality of first vertical beams, a plurality of first cross beams and two third longitudinal beams; the two first longitudinal beams are arranged in parallel and at intervals in the same horizontal plane and are close to the chassis assembly structure; Two second longitudinal beams are arranged in parallel and spaced apart in another horizontal plane and are far away from the chassis assembly structure, and are in one-to-one correspondence with the two first longitudinal beams in the vertical direction and are parallel to each other; the plurality of first longitudinal beams One end of the vertical beam is perpendicular to the first longitudinal beam and abuts against the first longitudinal beam, and the other end extends toward the direction of the second longitudinal beam and vertically protrudes from the second longitudinal beam; the several Both ends of the first beam are connected to two corresponding ends of the first vertical beam protruding from the second vertical beam; the third vertical beam is parallel to the first vertical beam and the second vertical beam and close to the second longitudinal beam; the cab structure includes two fourth longitudinal beams, two second cross beams, several second vertical beams, two third vertical beams and several third cross beams; the two The fourth longitudinal beam is respectively formed by extending the two third longitudinal beams towards the structural direction of the cab; the two second cross beams are connected between the ends of the two fourth longitudinal beams; the plurality of first longitudinal beams Two vertical beams are connected between the first cross beam and the second cross beam close to the cab structure; one end of the two third vertical beams is respectively connected with the ends of the two fourth longitudinal beams , and the other end extends toward the direction of the chassis assembly structure; the plurality of third beams are connected at intervals between the two third vertical beams; the chassis assembly structure includes two fifth longitudinal beams, two a sixth longitudinal beam and a plurality of fourth transverse beams; the two fifth longitudinal beams are arranged in parallel in the horizontal direction and close to the two first longitudinal beams; the two sixth longitudinal beams are arranged between the two sixth longitudinal beams The fifth longitudinal beam is away from the side of the first longitudinal beam; the plurality of fourth transverse beams are arranged perpendicular to the two fifth longitudinal beams, and the two ends respectively protrude from the two fifth longitudinal beams and are used to communicate with the The first longitudinal beam is fixedly connected; the battery box assembly structure includes a battery box frame; the battery box frame includes two support beams, a first load beam and a second load beam; one end of the two support beams is respectively connected to One end of the two fourth beams is connected, and the other end extends toward the direction of the sixth longitudinal beam; the first bearing beam connects the two supporting beams away from the ends of the fourth beam, and is The sixth longitudinal beam is parallel; the second load beam is connected in the middle of the two support beams and is parallel to the first load beam. 2. The electric logistics vehicle assembly structure according to claim 1, characterized in that: a slanting beam is also arranged between the two fifth longitudinal beams and the plurality of fourth cross beams; the slanting beam and the The fifth longitudinal beam is arranged at an included angle. 3. The electric logistics vehicle assembly structure according to claim 1, characterized in that: the chassis assembly structure further includes an anti-collision beam, and the anti-collision beam is arranged on the two fifth longitudinal beams close to the One end of several third beams. 4. The assembly structure of the electric logistics vehicle according to claim 3, characterized in that: the interior of the anti-collision beam is filled with foamed aluminum. 5. The electric logistics vehicle assembly structure according to claim 1, characterized in that: the plurality of first beams are arranged in parallel and at intervals; the plurality of first beams and the plurality of first vertical beams are welded The process is connected. 6. The electric logistics vehicle assembly structure according to claim 1, characterized in that: said several first vertical beams are connected with said first longitudinal beams and said second longitudinal beams by mortise and tenon technology, And the mortise and tenon joints are further connected by bonding process. 7. The electric logistics vehicle assembly structure according to claim 1, characterized in that: the two second beams, the plurality of second vertical beams, the two third vertical beams and the plurality of third vertical beams The beams are all curved. 8. The electric logistics vehicle assembly structure according to claim 1, characterized in that: the two ends of the plurality of fourth beams are provided with mounting parts for fixed connection with the first longitudinal beams; the first The longitudinal beam is fixedly connected with the installation part through a riveting process. 9. The assembly structure of the electric logistics vehicle according to claim 1, wherein a layer of battery boxes is placed on the first load beam and the second load beam respectively. 10. The electric logistics vehicle assembly structure according to claim 1, characterized in that: the chassis assembly structure is a truss structure; the compartment structure and the cab structure are made of aluminum alloy profiles.