Commercial vehicle new energy side battery frame assembly

Abstract

The utility model discloses a commercial vehicle new energy side type battery frame assembly which comprises a main body frame and sub-body frames, the middle of the main body frame can be connected with a frame longitudinal beam, the sub-body frames are arranged on one side of the main body frame in an overlapped mode, the sub-body frames are symmetrically arranged on the main body frame, and the sub-body frames are connected with the main body frame. A plurality of buffer connecting pieces are distributed on the main body frame at intervals in the length direction of a longitudinal beam of the frame, a bearing piece is arranged in the main body frame, and the buffer connecting pieces and the bearing piece can be connected with the frame; the buffering connecting piece ensures that the connecting part can be buffered when being stressed and vibrated, and the service life is prolonged; the bearing part has the auxiliary tensioning and supporting effect, the bearing of the buffering connecting part is shared, and therefore the risk that the connecting position of the buffering connecting part and the frame is broken due to vibration is avoided. The utility model has the advantages of safety, high strength, strong bearing capacity, long service life and high space utilization rate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of vehicle power battery accessories, specifically relates to a commercial vehicle new energy side -by -side formula battery frame assembly. BACKGROUND

[0002] With the continuous development of automobile industry, electric vehicles have become the trend of the future. As one of the key components of electric vehicles, power battery bracket is also increasingly concerned.

[0003] The patent document with the publication number CN 118431646 A discloses a battery frame, and the technical content is as follows: including frame body, hinged assembly and connecting assembly, the frame body includes first frame group and second frame group, the first frame group includes at least three first sub-frames arranged side by side, the second frame group includes at least two second sub-frames, the second sub-frames are correspondingly stacked on the first sub-frames, and the first sub-frames and the second sub-frames are used for accommodating batteries.

[0004] The inventor found the following problems in the process of realizing the utility model:

[0005] The existing technology has at least the following technical problems: first, the top middle part of the first sub-frame is connected with the vehicle frame longitudinal beam, the inner side of the second sub-frame is connected with the vehicle frame longitudinal beam, and the outer side of the second sub-frame is away from the vehicle frame longitudinal beam; due to the heavy weight of the power battery and the battery frame itself, the bearing capacity of the connection between the first sub-frame, the second sub-frame and the vehicle frame is not good, and fatigue fracture is easily caused after long-term vibration; second, in the existing technology, the connection between the second sub-frame and the vehicle frame is hard connection, and cannot effectively buffer the stress. SUMMARY

[0006] In order to solve the technical problems of fatigue fracture and no buffering effect in the prior art, the utility model provides a commercial vehicle new energy side -by -side formula battery frame assembly.

[0007] Therefore, the technical scheme of the utility model is as follows: a commercial vehicle new energy side -by -side formula battery frame assembly, including main body frame and sub body frame, the middle part of the main body frame can be connected with the vehicle frame longitudinal beam, the sub body frame is stacked on one side of the main body frame, and the sub body frame is symmetrically arranged on the main body frame, characterized in that: a plurality of buffer connecting pieces are distributed on the main body frame along the length direction of the vehicle frame longitudinal beam, a bearing piece is arranged in the main body frame, and the buffer connecting piece and the bearing piece can be connected with the vehicle frame.

[0008] The structure of the buffer connecting piece is: including a plate body, a plurality of connecting bolts are arranged on the upper part of the plate body, the upper part of the plate body can be attached to the longitudinal beam web of the vehicle frame, the lower part of the plate body is bent to form a connecting seat with the middle part, a limiting block is arranged in the cavity of the connecting seat, a pin column is arranged through the holes on the limiting block and the bottom of the connecting seat, a pin is arranged in the pin column, the lower end of the pin can be fixedly connected with the sub-body frame, a pin shaft hole is arranged through the side surface of the upper end of the pin, a horizontal pin shaft is arranged in the pin shaft hole, the two ends of the pin shaft are connected with the limiting block through fastening bolts, the pin shaft is used for limiting the displacement of the pin, a buffer pad is arranged between the pin shaft and the limiting block and on the bottom surface of the connecting seat, and a pin shaft through hole is arranged on the side wall of the connecting seat.

[0009] The further limitation of the above technical solution is that the structure of the load bearing piece is: including a cable rod, one end of the cable rod is connected with the bottom of the main body frame through a rotating pin, the other end of the cable rod is connected with a cable seat through a rotating pin, and the cable seat is connected with the vehicle frame through a plurality of cable bolts.

[0010] The further improvement of the above technical solution is that a plurality of pipeline fixing seats are distributed on the sub-body frame along the length direction of the vehicle frame longitudinal beam, and the structure of the pipeline fixing seat is: including a connecting support and a pipeline seat, the connecting support is fixedly connected with the sub-body frame, and the pipeline seat is detachably connected with the connecting support.

[0011] The further improvement of the above technical solution is that the sub-body frame is provided with a charging port fixing seat.

[0012] The further improvement of the above technical solution is that the main body frame is provided with a step assembly on the outer side.

[0013] Advantages: compared with the prior art, the buffer connecting piece is designed to ensure that the connection can be buffered when subjected to stress vibration, which is beneficial to prolong the service life; the load bearing piece is designed to have an auxiliary tensioning support function, which shares the load of the buffer connecting piece, thereby avoiding the risk of fracture of the buffer connecting piece and the vehicle frame connection caused by vibration. The utility model has the advantages of safety, high strength, strong carrying capacity, long service life, high space utilization rate. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure diagram of the utility model.

[0015] Figure 2 It is Figure 1 the perspective view.

[0016] Figure 3It is the structure diagram of the buffer connecting piece and the pipeline fixing seat of the utility model.

[0017] Figure 4 It is the sectional view of the buffer connecting piece of the utility model.

[0018] Figure 5 It is the structure diagram of the bearing piece of the utility model.

[0019] Figure 6 It is the perspective view of the pipeline fixing seat of the utility model. Specific implementation

[0020] The technical scheme of the utility model will be described clearly and completely in combination with the drawings below, but the embodiment should not be understood as limiting the utility model.

[0021] The utility model discloses Figures 1 to 6 As shown in the figure:

[0022] Among them, Figure 1 And Figure 2 In one of the utility model discloses a commercial vehicle new energy side formula battery frame assembly, including main body frame 1 and sub body frame 2, the middle part of main body frame can be connected with the frame longitudinal beam, sub body frame is stacked on one side of main body frame, and sub body frame is symmetrically arranged on main body frame, and a plurality of buffer connecting pieces 3 are distributed at intervals on main body frame along the length direction of frame longitudinal beam, and bearing piece 4 is arranged in main body frame, and the buffer connecting piece and the bearing piece can be connected with the frame longitudinal beam.

[0023] Figure 3 And Figure 4 In the structure of buffer connecting piece 3, the structure comprises a plate body 301, a plurality of connecting bolts 302 are arranged in the upper part of the plate body, the upper part of the plate body can be attached to the abdominal surface of the frame longitudinal beam, the lower part of the plate body is bent to form a connecting seat 303 with the middle part, a limiting block 304 is welded in the cavity of the connecting seat, a pin column is arranged through the hole on the bottom of the limiting block and the connecting seat, a square pin column 305 is arranged in the through hole, the lower end of the pin column can be fixedly connected with the sub body frame, the upper end of the pin column is arranged to pass out of the through hole, a pin shaft hole is arranged through the side surface of the upper end of the pin column, a horizontal square pin shaft 306 is arranged in the pin shaft hole, the two ends of the pin shaft are connected with the limiting block through a fastening bolt 307, and the pin shaft is used for limiting the displacement of the pin column, a buffer pad 308 is arranged between the pin shaft and the limiting block and on the bottom surface of the connecting seat, and a pin shaft through hole 309 is arranged on the side wall of the connecting seat;The structure has the following advantages: 1) the connecting seat is bent from the plate body, so that the production process is simple, the production cost and the light weight are reduced, the overall strength is guaranteed, and the service life is prolonged;2) the pin column is locked on the connecting seat through the pin shaft and the fastening bolt, so that the connecting structure is simple, the assembly and maintenance are facilitated, the strength of the connecting part is improved, and the production cost is reduced;3) the buffer pad is beneficial to dispersing stress and prolonging service life;

[0024] Figure 2 and Figure 5 In the structure of the load bearing member 4, the cable rod 401 is connected to the bottom of the main frame through a rotating pin, the other end of the cable rod is connected to the cable seat 403 through a rotating pin 402, and the cable seat is connected to the vehicle frame longitudinal beam through a plurality of cable bolts 404; this structure has the advantages that the inclined cable rod forms a stable triangular support with the vehicle frame and the main frame, and the cable rod can directly transmit the weight of the sub-frame to the vehicle frame, thereby reducing the load of the buffer connecting member.

[0025] Figure 3 and Figure 6 In the structure of the load bearing member 4, the cable rod 401 is connected to the bottom of the main frame through a rotating pin, the other end of the cable rod is connected to the cable seat 403 through a rotating pin 402, and the cable seat is connected to the vehicle frame longitudinal beam through a plurality of cable bolts 404; this structure has the advantages that the inclined cable rod forms a stable triangular support with the vehicle frame and the main frame, and the cable rod can directly transmit the weight of the sub-frame to the vehicle frame, thereby reducing the load of the buffer connecting member.

[0026] Figure 1 and Figure 2 In the structure of the load bearing member 4, the cable rod 401 is connected to the bottom of the main frame through a rotating pin, the other end of the cable rod is connected to the cable seat 403 through a rotating pin 402, and the cable seat is connected to the vehicle frame longitudinal beam through a plurality of cable bolts 404; this structure has the advantages that the inclined cable rod forms a stable triangular support with the vehicle frame and the main frame, and the cable rod can directly transmit the weight of the sub-frame to the vehicle frame, thereby reducing the load of the buffer connecting member.

[0027] Figure 1 and Figure 2 In the structure of the load bearing member 4, the cable rod 401 is connected to the bottom of the main frame through a rotating pin, the other end of the cable rod is connected to the cable seat 403 through a rotating pin 402, and the cable seat is connected to the vehicle frame longitudinal beam through a plurality of cable bolts 404; this structure has the advantages that the inclined cable rod forms a stable triangular support with the vehicle frame and the main frame, and the cable rod can directly transmit the weight of the sub-frame to the vehicle frame, thereby reducing the load of the buffer connecting member.

[0028] Assembly instructions of the utility model:

[0029] The main frame is fixedly connected to the bottom of the vehicle frame through bolts, the sub-frame is connected to the side of the vehicle frame through the connecting bolts in the middle and upper part of the plate body, the cable rod in the sub-frame is connected to the side of the vehicle frame longitudinal beam through cable bolts, and the bottom of the sub-frame is connected to the main frame as a whole through bolts; finally, the pipeline fixing seat, the charging port fixing seat and the step assembly are installed.

[0030] The parts not described in detail in the specification are known in the art.

[0031] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A new energy side-mounted battery frame assembly of a commercial vehicle, comprising a main frame and a sub-frame, a middle part of the main frame being connectable with a vehicle frame longitudinal beam, the sub-frame being stacked on one side of the main frame, the sub-frame being symmetrically arranged on the main frame, characterized in that: The main body frame is provided with a plurality of buffer connecting pieces distributed along the length direction of the frame longitudinal beam, and a load bearing piece is arranged in the main body frame, and the buffer connecting piece and the load bearing piece can be connected with the frame; The buffer connecting piece comprises a plate body, a plurality of connecting bolts are arranged on the upper part of the plate body, the upper part of the plate body can be attached to the web surface of the frame longitudinal beam, the lower part of the plate body is bent to form a connecting seat with the middle part, a limiting block is arranged in the cavity of the connecting seat, a pin column is arranged through the holes on the limiting block and the bottom of the connecting seat, a pin is arranged in the pin column, the lower end of the pin can be fixedly connected with the sub body frame, a pin shaft hole is arranged through the side surface of the upper end of the pin, a horizontal pin shaft is arranged in the pin shaft hole, the two ends of the pin shaft are connected with the limiting block through fastening bolts, the pin shaft is used for limiting the displacement of the pin, a buffer pad is arranged between the pin shaft and the limiting block and on the bottom surface of the connecting seat, and a pin shaft through hole is arranged on the side wall of the connecting seat.

2. The new energy side-mounted battery frame assembly of the commercial vehicle according to claim 1, characterized in that: The load bearing piece comprises a cable rod, one end of the cable rod is connected with the bottom of the main body frame through a rotating pin, the other end of the cable rod is connected with a cable seat through a rotating pin, and the cable seat is connected with the frame through a plurality of cable bolts.

3. The new energy side-mounted battery frame assembly of the commercial vehicle according to claim 1 or 2, characterized in that: A plurality of pipeline fixing seats are distributed along the length direction of the frame longitudinal beam on the sub body frame, and the pipeline fixing seat comprises a connecting support and a pipeline seat, the connecting support is fixedly connected with the sub body frame, and the pipeline seat is detachably connected with the connecting support.

4. The new energy side-mounted battery frame assembly of the commercial vehicle according to claim 3, characterized in that: A charging port fixing seat is arranged on the sub body frame.

5. The new energy side-mounted battery frame assembly of the commercial vehicle according to claim 1 or 2 or 4, characterized in that: A step assembly is arranged on the outer side of the main body frame.

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