Power battery box body structure suitable for new energy mining truck

Abstract

The utility model discloses a power battery box body structure suitable for a new energy mining truck, which comprises a truck body girder and a power battery box, the power battery box is arranged on the upper end face of the truck body girder, two auxiliary supports are arranged between the truck body girder and the power battery box, the power battery box comprises a battery box body, and the battery box body is arranged on the power battery box. A box body supporting frame is mounted on the inner side of the battery box body, a maintenance bottom plate is mounted on the lower end face of the battery box body, and four battery units and a battery mounting shelf are mounted on the inner side of the box body supporting frame; the battery unit is positioned on the upper end surface of the battery mounting shelf, the battery unit comprises a battery single pack, and two electrical interfaces are fixedly arranged at one end of the battery single pack. According to the utility model, the electrical interface and the liquid cooling interface on the power battery of the mining truck are adjusted to the same side, so that the battery is convenient to install and maintain, and the bottom of the battery is detached, so that the space requirement on battery maintenance is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric truck technical field, concretely is a kind of power battery box structure suitable for new energy mining truck use. BACKGROUND

[0002] With the requirement of energy saving and emission reduction, more and more new energy mining trucks are put into application, and new energy mining trucks play an important role and significance in mine transportation. New energy mining trucks can significantly reduce carbon emissions and reduce environmental pollution. Compared with traditional fuel mining trucks, new energy mining trucks do not produce tail gas emissions during use, thereby reducing pollution to the environment. New energy mining trucks also have significant advantages in improving transportation efficiency and reducing operating costs. The charging cost of new energy mining trucks is much lower than the fuel cost, and the maintenance cost is lower, thereby reducing the operating cost of mine. New energy mining trucks provide power through power battery box.

[0003] The power battery box of the existing mining truck is insufficient in maintenance and maintenance space when applied, and the electrical and liquid cooling interface positions of the battery are not uniform, which makes the installation and maintenance of the battery inconvenient. Therefore, it does not meet the existing needs, and for this purpose, a power battery box structure suitable for new energy mining truck use is proposed. SUMMARY

[0004] The utility model aims at providing a power battery box structure suitable for new energy mining truck use to solve the problem of insufficient maintenance and maintenance space of the power battery box of the existing mining truck when applied, and the electrical and liquid cooling interface positions of the battery are not uniform, which makes the installation and maintenance of the battery inconvenient.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a power battery box structure suitable for new energy mining truck use, comprising a vehicle body girder and a power battery box, the upper end face of the vehicle body girder is provided with a power battery box, two auxiliary supports are installed between the vehicle body girder and the power battery box, the power battery box comprises a battery box body, a box body support frame is installed on the inner side of the battery box body, a maintenance bottom plate is installed on the lower end face of the battery box body, four battery units and a battery installation layer frame are installed on the inner side of the box body support frame.

[0006] The battery unit is located on the upper end face of the battery installation layer frame, the battery unit comprises a battery single package, two electrical interfaces are fixedly arranged at one end of the battery single package, a liquid cooling interface is arranged on one side of the electrical interface, the battery installation layer frame comprises a layer frame main body, layer frame mounting holes are arranged at four corners of the layer frame main body, side anti-collision blocks are installed at both ends of the front and rear end faces of the layer frame main body.

[0007] Preferably, the power battery box further comprises a battery power connection protection cover fixedly connected to one side of the battery box body, a sealing upper cover fixedly installed on the upper end surface of the battery box body, and an external wiring port arranged at the bottom end of the rear end surface of the battery box body.

[0008] Preferably, the upper end surface of the vehicle body girder is respectively provided with a cab and a cargo trailer box at two ends, the power battery box is arranged between the cab and the cargo trailer box, and the bottom end of the power battery box is fixedly connected to the vehicle body girder through two auxiliary supports.

[0009] Preferably, the bottom end of the maintenance bottom plate is fixedly connected to the bottom end of the box body support frame through screws, and the battery box body is fixedly welded to the box body support frame.

[0010] Preferably, the inner side of the shelf mounting hole is provided with a screw, the four end corners of the shelf main body are fixedly connected to the box body support frame through screws, the battery single package is fixedly connected to the box body support frame through the shelf main body, and the four battery units and the battery mounting shelf are alternately arranged from bottom to top.

[0011] Preferably, the bottom end of the battery power connection protection cover is provided with a charging port, and the charging port and the external wiring port are electrically connected to the electrical interface.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a power battery box, which is arranged between a cab and a cargo trailer box and fixedly connected to a vehicle body girder through two auxiliary supports, four battery mounting shelves and battery units are alternately installed on the inner side of the box body support frame from bottom to top, the battery units are fixedly connected to the box body support frame through the battery mounting shelves, and the battery units can be maintained through the bottom end of the power battery box when the maintenance bottom plate and the battery box body and the box body support frame are disassembled.

[0014] 2. The utility model discloses a power battery box, which is arranged between a cab and a cargo trailer box and fixedly connected to a vehicle body girder through two auxiliary supports, four battery mounting shelves and battery units are alternately installed on the inner side of the box body support frame from bottom to top, the battery units are fixedly connected to the box body support frame through the battery mounting shelves, and the battery units can be maintained through the bottom end of the power battery box when the maintenance bottom plate and the battery box body and the box body support frame are disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an overall explosion structure schematic view of the utility model;

[0016] Figure 2 is a bottom view of the power battery box of the utility model;

[0017] Figure 3 is a schematic diagram of the installation structure of the box body support frame of the utility model;

[0018] Figure 4 is a schematic diagram of the dismounting structure of the maintenance bottom plate of the utility model;

[0019] Figure 5 is a schematic diagram of the installation structure of the battery unit of the utility model;

[0020] Figure 6 is a schematic diagram of the structure of the battery mounting layer frame of the utility model.

[0021] In the figure: 1, vehicle body girder; 2, auxiliary support; 3, power battery box; 4, battery power connection protection cover; 5, battery box body; 6, sealing upper cover; 7, box body support frame; 8, maintenance bottom plate; 9, external wiring port; 10, battery unit; 11, battery mounting layer frame; 12, battery single package; 13, electrical interface; 14, liquid cooling interface; 15, layer frame main body; 16, layer frame mounting hole; 17, lateral anti-collision block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Please refer to Figure 1 The utility model provides an embodiment: a kind of power battery box structure suitable for new energy mine truck uses, including vehicle body girder 1 and power battery box 3, the upper end surface of vehicle body girder 1 is installed with power battery box 3, two auxiliary supports 2 are installed between vehicle body girder 1 and power battery box 3, the both ends of the upper end surface of vehicle body girder 1 are respectively equipped with cab and load trailer box, power battery box 3 is arranged between cab and load trailer box, the bottom end of power battery box 3 is fixedly connected with vehicle body girder 1 by two auxiliary supports 2, effectively reduce the installation gravity center of power battery box 3, improve truck driving safety.

[0024] Please refer to Figures 1 to 4, the power battery box 3 includes a battery box body 5, the inner side of the battery box body 5 is provided with a box support frame 7, the lower end surface of the battery box body 5 is provided with an inspection bottom plate 8, one side of the battery box body 5 is fixedly provided with a battery power connection protection cover 4, the upper end surface of the battery box body 5 is fixedly provided with a sealing upper cover 6, the bottom end of the rear end surface of the battery box body 5 is provided with an external wiring port 9, the inspection bottom plate 8 and the bottom end of the box support frame 7 are fixedly connected through screws, the battery box body 5 and the box support frame 7 are fixedly welded, when the inspection bottom plate 8 and the battery box body 5 and the box support frame 7 are disassembled, the battery unit 10 can be inspected through the bottom end of the power battery box 3, and the space for inspection is effectively met;

[0025] The inner side of the box support frame 7 is provided with four battery units 10 and a battery mounting layer frame 11, the battery units 10 are located on the upper end surface of the battery mounting layer frame 11, the four battery units 10 and the battery mounting layer frame 11 are alternately arranged from bottom to top, the battery unit 10 includes a battery single pack 12, one end of the battery single pack 12 is fixedly provided with two electrical interfaces 13, the bottom end of the battery power connection protection cover 4 is provided with a charging port, the charging port and the external wiring port 9 are electrically connected with the electrical interfaces 13, and the battery single pack 12 can be installed and replaced by disassembling the battery power connection protection cover 4 and the battery box body 5.

[0026] Please refer to Figure 5 and Figure 6 One side of the electrical interface 13 is provided with a liquid cooling interface 14, the battery mounting layer frame 11 includes a layer frame main body 15, the four end corners of the layer frame main body 15 are provided with layer frame mounting holes 16, the two ends of the front and rear end surfaces of the layer frame main body 15 are provided with lateral anti-collision blocks 17, the inner side of the layer frame mounting hole 16 is provided with a screw, the four end corners of the layer frame main body 15 and the box support frame 7 are fixedly connected through screws, the battery single pack 12 and the box support frame 7 are fixedly connected through the layer frame main body 15, the adjacent two battery single packs 12 are isolated and supported through the layer frame main body 15, the stability between the adjacent two battery single packs 12 can be effectively maintained, and the wiring operation of the four battery single packs 12 is facilitated.

[0027] In use, the driver's cabin and the cargo trailer box are respectively arranged at the two ends of the upper end surface of the vehicle body girder 1, the power battery box 3 is inserted between the driver's cabin and the cargo trailer box and is fixedly connected with the vehicle body girder 1 through the two auxiliary supports 2, the four battery mounting layer frames 11 and the battery units 10 are alternately arranged on the inner side of the box support frame 7 from bottom to top, so that the battery units 10 are fixedly connected with the box support frame 7 through the battery mounting layer frames 11, and the box support frame 7 is sealed and protected through the battery power connection protection cover 4, the battery box body 5 and the sealing upper cover 6;

[0028] The maintenance bottom plate 8 is connected to the lower end face of the box support frame 7 through screws, so that the battery unit 10 can be maintained through the bottom end of the power battery box 3 by disassembling the maintenance bottom plate 8, the battery box 5 and the box support frame 7, effectively meeting the maintenance space, the adjacent two battery units 12 are isolated and supported by the shelf body 15, the stability between the adjacent two battery units 12 can be effectively maintained, and the wire arrangement operation of the four battery units 12 is facilitated;

[0029] Meanwhile, the shelf body 15 and the box support frame 7 are separated by the lateral anti-collision block 17, thereby reducing the vibration of the battery unit 12 by the box support frame 7, and the electrical interface 13 and the liquid cooling interface 14 are located at one end of the battery unit 12, so that the battery unit 12 can be installed and replaced by disassembling the battery electrical connection protection cover 4 and the battery box 5.

[0030] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of the equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A power battery box structure suitable for use in a new energy mine truck, comprising a vehicle body girder (1) and a power battery box (3), characterized in that: The upper end face of the vehicle body girder (1) is provided with a power battery box (3), two auxiliary supports (2) are arranged between the vehicle body girder (1) and the power battery box (3), the power battery box (3) comprises a battery box body (5), the inner side of the battery box body (5) is provided with a box support frame (7), the lower end face of the battery box body (5) is provided with an inspection bottom plate (8), the inner side of the box support frame (7) is provided with four battery units (10) and a battery mounting layer frame (11); The battery unit (10) is arranged on the upper end face of the battery mounting layer frame (11), the battery unit (10) comprises a battery single pack (12), one end of the battery single pack (12) is fixedly provided with two electrical interfaces (13), one side of the electrical interface (13) is provided with a liquid cooling interface (14), the battery mounting layer frame (11) comprises a layer frame main body (15), the four end corners of the layer frame main body (15) are provided with layer frame mounting holes (16), the two ends of the front and rear end faces of the layer frame main body (15) are provided with lateral anti-collision blocks (17).

2. The power battery box structure suitable for new energy mining trucks according to claim 1, characterized in that: The power battery box (3) further comprises a battery power connection protection cover (4) fixedly connected to one side of the battery box body (5), a sealing upper cover (6) is fixedly arranged on the upper end face of the battery box body (5), and an external wiring port (9) is arranged at the bottom end of the rear end face of the battery box body (5).

3. The power battery box structure suitable for new energy mining trucks according to claim 1, characterized in that: The upper end face of the vehicle body girder (1) is provided with a driver's cabin and a cargo trailer box, the power battery box (3) is arranged between the driver's cabin and the cargo trailer box, and the bottom end of the power battery box (3) is fixedly connected with the vehicle body girder (1) through the two auxiliary supports (2).

4. The power battery box structure suitable for new energy mining trucks according to claim 1, characterized in that: The inspection bottom plate (8) is fixedly connected with the bottom end of the box support frame (7) through screws, and the battery box body (5) is fixedly connected with the box support frame (7) through welding.

5. The power battery box structure suitable for new energy mining truck use according to claim 1, characterized in that: The inner side of the layer frame mounting hole (16) is provided with a screw, the four end corners of the layer frame main body (15) are fixedly connected with the box support frame (7) through screws, the battery single pack (12) is fixedly connected with the box support frame (7) through the layer frame main body (15), and the four battery units (10) and the battery mounting layer frame (11) are alternately arranged from bottom to top.

6. The power battery box structure suitable for new energy mining truck use according to claim 2, characterized in that: The bottom end of the battery power connection protection cover (4) is provided with a charging port, and the charging port and the external wiring port (9) are electrically connected with the electrical interface (13).

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