Battery pack support box for mine car

Abstract

The application belongs to the technical field of mine cars, and discloses a battery pack support box body for a mine car, which comprises a support frame, a heat management pipeline, a low-voltage wire harness and a high-voltage wire harness. The support frame has an accommodation space for accommodating the battery pack and a wiring space located outside the accommodation space. The support frame has a first side and a second side opposite to the first side. The heat management pipeline is arranged in the wiring space and located at the first side. The low-voltage wire harness is arranged in the wiring space and located at the first side. The high-voltage wire harness is arranged in the wiring space. The high-voltage wire harness has a connecting section located at the first side, a collecting section located at the second side and an extension section located between the connecting section and the collecting section. The collecting section extends along the length direction of the support frame. Thus, the heat management pipeline, the high-voltage wire harness and the low-voltage wire harness can be conveniently installed and maintained, and the weight distribution of the battery pack support box body is as uniform as possible.

Description

Technical Field

[0001] This application belongs to the technical field of mining trucks, and specifically relates to a battery pack bracket box for mining trucks. Background Technology

[0002] Mining trucks are indispensable transportation equipment in the mining process. With the development of new energy technology, new energy mining trucks have emerged, which have the advantages of energy saving, environmental protection and low operating costs. As the core power source of pure electric mining trucks, the battery pack is generally installed inside the battery pack bracket box to protect the battery.

[0003] To ensure the battery pack operates within its optimal temperature range, a thermal management pipeline is typically installed. This pipeline, along with internal cooling channels, allows for the delivery of cooling medium to the battery pack. This cooling medium then heats or cools the battery pack, maintaining its optimal operating temperature. However, because the battery pack's inlet, outlet, high-voltage wiring terminals, and low-voltage wiring terminals are all located on the same side of the battery pack, the thermal management pipeline, high-voltage wiring harness, and low-voltage wiring harness are all situated on the same side of the battery pack support enclosure. This results in limited space on one side of the enclosure, increasing the difficulty of installing and maintaining the high-voltage wiring harness, low-voltage wiring harness, and thermal management pipeline. Furthermore, after the battery pack is installed, uneven weight distribution on both sides of the battery pack support enclosure affects its stability.

[0004] To facilitate the installation and maintenance of thermal management piping, high-voltage wiring harnesses, and low-voltage wiring harnesses, one approach is to increase the size of the battery pack bracket housing. While this increases the internal space of the battery pack bracket housing, thus facilitating installation and maintenance, it also increases the overall volume of the battery pack bracket housing. This contradicts the miniaturization design philosophy of battery pack bracket housings and still fails to address the issue of uneven weight distribution. Therefore, finding a way to facilitate the installation and maintenance of thermal management piping, high-voltage wiring harnesses, and low-voltage wiring harnesses while maintaining the same overall volume, and to ensure a more even distribution of weight within the battery pack bracket housing, has become a pressing technical challenge. Summary of the Invention

[0005] This application provides a battery pack bracket housing for mining trucks, which facilitates the installation and maintenance of thermal management pipelines, high-voltage wiring harnesses and low-voltage wiring harnesses while ensuring that the volume of the battery pack bracket housing remains unchanged, and makes the weight distribution of the battery pack bracket housing as uniform as possible.

[0006] The technical solution adopted in this application is as follows:

[0007] A battery pack support box for a mining truck, comprising:

[0008] A support frame, wherein the support frame has an internal space for accommodating a battery pack and a wiring space located outside the internal space, and the support frame has a first side and a second side opposite to the first side.

[0009] A thermal management pipeline, wherein the thermal management pipeline is disposed in the wiring space and located on the first side;

[0010] A low-voltage wiring harness, wherein the low-voltage wiring harness is disposed in the wiring space and located on the first side;

[0011] A high-voltage wiring harness is provided in the wiring space. The high-voltage wiring harness has a connecting section located on the first side, a converging section located on the second side, and an extension section located between the connecting section and the converging section. The converging section extends along the length direction of the support frame.

[0012] By adopting the above technical solution, when using the battery pack bracket housing in this application, the battery pack is installed in the installation space, and the liquid inlet, liquid outlet, high-voltage wire connection terminal and low-voltage wire connection terminal of the battery pack are all located on the first side of the support frame. Then, the thermal management pipeline is connected to the liquid inlet and liquid outlet of the battery pack, the connection section of the high-voltage wire harness is connected to the high-voltage wire connection terminal of the battery pack, and the low-voltage wire harness is connected to the low-voltage wire connection terminal of the battery pack.

[0013] Because the high-voltage harness converging section is located on the second side of the support frame, at least a portion of the high-voltage harness is distributed on the second side of the support frame, while the low-voltage harness and thermal management piping are distributed on the first side. This allows for efficient use of the space on the second side of the support frame while maintaining the same volume of the battery pack bracket housing. This avoids the situation where the thermal management piping, high-voltage harness, and low-voltage harness are all located on the first side, leading to overcrowding. This facilitates the installation and maintenance of the thermal management piping, high-voltage harness, and low-voltage harness. Furthermore, placing the high-voltage harness converging section on the second side allows for counterweighting of the battery pack bracket housing, resulting in a more even weight distribution. Additionally, it increases the distance between the high-voltage harness converging section and the low-voltage harness, reducing electromagnetic interference between them.

[0014] Optionally, the support frame has a bracket located on the second side inside, the bracket has an insulator, the insulator has a wire bundle channel inside, and the converging section passes through the wire bundle channel.

[0015] By adopting the above technical solution, since the gathering section is installed in the wire harness channel, the wire harness channel can be used to limit and position the gathering section of the high-voltage wire harness, thereby ensuring the stability of the gathering section of the high-voltage wire harness and improving the regularity of the gathering section of the high-voltage wire harness. Since the wire harness channel is formed inside the insulator, the gathering section of the high-voltage wire harness can also be electromagnetically isolated from the support frame. Furthermore, since the insulator is located on the bracket, the bracket can be used to support the insulator, thereby supporting the high-voltage wire harness and further increasing the stability of the high-voltage wire harness.

[0016] Optionally, the support frame is provided with a first wire harness located between the first side and the second side, and the extension section passes through the first wire harness.

[0017] By adopting the above technical solution, since the extension section is inserted through the first wire clamp, the extension section of the high-voltage wire harness can be fixed and positioned using the first wire clamp, thereby increasing the stability of the extension section of the high-voltage wire harness and further improving the stability of the high-voltage wire harness.

[0018] Optionally, the accommodating space includes multiple rows of accommodating cavities, each row of accommodating cavities having a first end and a second end opposite to the first end, the low-voltage harness including a vertical segment located at the first end and a horizontal segment located at the top of the first side, and the connecting segment located at the second end.

[0019] By adopting the above technical solution, since the vertical section of the low-voltage harness is located at the first end and the connecting section of the high-voltage harness is located at the second end, the vertical section of the low-voltage harness and the connecting section of the high-voltage harness are separated. This allows for the rational use of the space at the first and second ends, facilitating the installation and maintenance of both the high-voltage and low-voltage harnesses. Furthermore, it increases the distance between the connecting section of the high-voltage harness and the vertical section of the low-voltage harness, further preventing potential electromagnetic interference between the two harnesses.

[0020] Optionally, a second cable tie is provided inside the support frame, the second cable tie is located at the top of the first side, and the horizontal segment passes through the second cable tie.

[0021] By adopting the above technical solution, since the horizontal section is threaded through the second wire clamp, the horizontal section of the low-voltage wire harness can be fixed and positioned by the second wire clamp, thereby increasing the stability of the low-voltage wire harness and making the bottom wire harness more orderly inside the support frame.

[0022] Optionally, the thermal management pipeline includes a horizontal connecting section and a vertical connecting section, with the horizontal connecting section located below the horizontal section.

[0023] By adopting the above technical solution, since the horizontal connecting section is located below the horizontal section, the low-voltage wiring harness and the thermal management wiring harness are separated, which facilitates the installation and maintenance of the low-voltage wiring harness and the thermal management pipeline, while avoiding the impact of possible leakage from the thermal management pipeline on the low-voltage wiring harness.

[0024] Optionally, a protective plate is provided on the outside of the support frame, and an insulation layer is provided between the protective plate and the support frame. The insulation layer is provided with a positioning hole, which penetrates the insulation layer in the thickness direction. The support frame is provided with a positioning post extending into the positioning hole. A bolt is provided through the protective plate, and the bolt is provided through the positioning post and threaded to the support frame, or the bolt is threaded to the positioning post.

[0025] By adopting the above technical solution, since the positioning hole penetrates the insulation layer in the thickness direction, the positioning post can extend into the positioning hole. After the protective plate is installed on the side of the insulation layer away from the support frame, the positioning post can abut against the protective plate, so that the protective plate can directly contact the positioning part. Thus, after the protective plate is fixedly connected to the support frame with bolts, the protective plate can make hard contact with the positioning part, so as to avoid the situation where there are flexible parts between the protective plate and the support frame, which would affect the connection stability between the protective plate and the support frame, thereby ensuring the connection stability between the protective plate and the support frame.

[0026] Meanwhile, because the insulation layer is provided with positioning holes, the positioning posts can extend into the positioning holes, thereby allowing the insulation layer to avoid contact with the positioning posts and thus allow the insulation layer to come into contact with the support frame. Compared with the existing technology that requires the insulation layer to be removed at the connection between the support frame and the protective plate, this allows the insulation layer to contact the support frame and be located between the protective plate and the support frame, thereby improving the insulation effect of the insulation layer on the battery pack bracket box and thus improving the insulation performance of the battery pack bracket box.

[0027] In addition, since the positioning post can extend into the positioning hole, it can be used to position and support the insulation layer. On the one hand, it can increase the stability of the insulation layer to ensure the insulation performance of the battery pack bracket box. On the other hand, the positioning post and the positioning hole can be used to position the insulation layer, thereby reducing the assembly difficulty of the insulation layer and improving the assembly efficiency of the battery pack bracket box.

[0028] Furthermore, the technical solution in this application allows the insulation layer to be located between the protective plate and the support frame, which can also increase the sealing between the protective plate and the support frame, thereby improving the dustproof effect of the battery pack bracket box.

[0029] Optionally, a pressure strip is provided on the side of the protective plate away from the insulation layer, and the bolt passes through the pressure strip.

[0030] By adopting the above technical solution, since a pressure strip is provided on the side of the protective plate away from the insulation layer, and the bolts pass through the pressure strip, the bolt heads apply pressure to the protective plate through the pressure strip. This increases the contact area between the bolt heads and the protective plate, reducing the pressure between them and preventing the protective plate from easily deforming due to excessive pressure. This ensures the flatness at the connection between the protective plate and the support frame, thereby guaranteeing the pressure effect of the protective plate on the insulation layer and the contact area between the insulation layer and the support frame, further ensuring the insulation performance of the battery pack bracket housing. On the other hand, the pressure applied by the bolt heads to the pressure strip, and the pressure strip applying pressure to the protective plate, improves the uniformity of stress on the protective plate. This ensures that the protective plate can apply pressure to the insulation layer at all locations where it is located, further guaranteeing the contact area between the insulation layer and the support frame, and thus further ensuring the insulation performance of the battery pack bracket housing.

[0031] Optionally, an aluminum foil layer is provided on the side of the insulation layer away from the protective plate, and the aluminum foil layer contacts the support frame.

[0032] By adopting the above technical solution, since an aluminum foil layer is provided on the side of the insulation layer away from the protective plate, and the aluminum foil layer contacts the support frame, the electromagnetic signal can be shielded by the aluminum foil layer, thereby improving the electromagnetic shielding effect of the battery pack bracket box.

[0033] Optionally, the battery pack bracket housing also includes a bracket disposed on the vehicle body, and a support is provided at the bottom of the support frame, the support being fixedly connected to the bracket by bolts.

[0034] By adopting the above technical solution, since the bracket is located on the vehicle body and the bottom of the support frame is provided with a support, which is fixedly connected to the bracket by bolts, the connection stability between the battery pack bracket box and the vehicle body is ensured on the one hand. On the other hand, due to different usage scenarios of mining trucks, different customer requirements, or when replacing and upgrading the mining truck battery, the same model may need to install different battery packs. When installing different battery packs, only the support frame needs to be replaced. Thus, at least part of the structure of the battery pack bracket box can be adapted to various batteries of different sizes and models, thereby reducing the operating cost of mining trucks and the difficulty of equipment modification.

[0035] Because the support frame has a support base at its bottom, which is fixedly connected to the bracket by bolts, the connection stability between the support frame and the bracket is ensured. Compared with the method of directly fixing the support frame to the bracket with bolts, this reduces the difficulty of fixing the support frame to the bracket and makes it easier to check the connection stability. Furthermore, it reduces the connection area between the support frame and the bracket, so that most of the vibration transmitted from the vehicle body to the bracket is transmitted along the length of the bracket, thereby reducing the vibration of the battery installed inside the support frame and improving the shock absorption effect of the battery pack bracket box on the battery.

[0036] Due to the adoption of the above technical solution, the beneficial effects achieved by this application are as follows:

[0037] 1. The battery pack bracket housing of this application includes a support frame, thermal management pipes, low-voltage wiring harnesses, and high-voltage wiring harnesses. The support frame has an accommodating space for the battery pack and a wiring space located outside the accommodating space. The support frame has a first side and a second side opposite to the first side. The thermal management pipes are located in the wiring space and on the first side. The low-voltage wiring harness is located in the wiring space and on the first side. The high-voltage wiring harness is located in the wiring space. The high-voltage wiring harness has a connecting section on the first side, a converging section on the second side, and an extension section between the connecting section and the converging section. The converging section extends along the length of the support frame, thereby ensuring the structural integrity of the battery pack bracket housing. Under the premise of constant volume, the space on the second side of the support frame is reasonably utilized to avoid the situation where the thermal management pipeline, high-voltage harness, and low-voltage harness are all located on the first side, resulting in a crowded situation on the first side. This facilitates the installation and maintenance of the thermal management pipeline, high-voltage harness, and low-voltage harness. On the other hand, placing the high-voltage harness converging section on the second side allows the high-voltage harness converging section to be used to counterweight the battery pack bracket box, thereby making the weight distribution of the battery pack bracket box as even as possible. Furthermore, it can also increase the distance between the high-voltage harness converging section and the low-voltage harness, thereby reducing the occurrence of electromagnetic interference between the high-voltage harness converging section and the low-voltage harness.

[0038] 2. The support frame in this application has a bracket located on the second side inside. The bracket has an insulator, and the inside of the insulator forms a wire harness channel. The converging section passes through the wire harness channel, thereby limiting and positioning the converging section of the high-voltage wire harness to ensure its stability and improve its regularity. Since the wire harness channel is formed inside the insulator, the converging section of the high-voltage wire harness can also be electromagnetically isolated from the support frame. Furthermore, since the insulator is located on the bracket, the bracket can support the insulator, which in turn supports the high-voltage wire harness, further increasing the stability of the high-voltage wire harness.

[0039] 3. The support frame in this application has a first wire clamp located between the first side and the second side. The extension section passes through the first wire clamp, thereby fixing and positioning the extension section of the high voltage wire harness using the first wire clamp, which increases the stability of the extension section of the high voltage wire harness and further improves the stability of the high voltage wire harness. Attached Figure Description

[0040] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0041] Figure 1 This is a schematic diagram of the structure of the battery pack support box according to one embodiment of this application;

[0042] Figure 2 This is a partial structural diagram of the battery pack support box according to one embodiment of this application, mainly showing the relative positional relationship between the high-voltage wiring harness and the support frame;

[0043] Figure 3 This is a partial structural diagram of the battery pack support box according to one embodiment of this application, mainly showing the relative positional relationship between the low-voltage wiring harness and the support frame;

[0044] Figure 4 This is a partial structural diagram of the battery pack support box according to one embodiment of this application, mainly showing the relative positional relationship between the thermal management pipeline and the support frame;

[0045] Figure 5 This is a schematic diagram of the support frame in one embodiment of this application;

[0046] Figure 6 This is an exploded view of a portion of the battery pack support housing in one embodiment of this application;

[0047] Figure 7 This is a partial structural cross-sectional view of the battery pack support box according to one embodiment of this application;

[0048] Figure 8 This is a schematic diagram of the support frame from another perspective in one embodiment of this application;

[0049] Figure 9 This is a schematic diagram of the support structure in one embodiment of this application;

[0050] Figure 10 This is a schematic diagram of the anti-rotation component described in one embodiment of this application;

[0051] Figure 11 This is a schematic diagram of the support beam described in one embodiment of this application.

[0052] Figure label:

[0053] 1. Support frame; 11. Support unit; 111. Support plate; 112. First C-shaped plate; 113. Bracket; 114. Insulator; 115. Second wire harness clip; 116. Positioning post; 12. Connecting unit; 121. First wire harness clip; 13. Support; 131. Support plate; 132. Connecting plate; 133. Through hole; 134. Anti-rotation hole; 14. Mounting plate; 2. Thermal management piping; 21. Vertical connecting section; 22. Horizontal connecting section; 3. Low voltage Wire harness; 31. Vertical section; 32. Horizontal section; 4. High voltage wire harness; 41. Connecting section; 42. Converging section; 43. Extension section; 5. Protective plate; 51. Insulation layer; 511. Positioning hole; 6. Pressure strip; 7. Anti-rotation component; 71. First anti-rotation body; 711. Anti-rotation column; 712. Spring; 713. Hand-held column; 72. Second anti-rotation body; 721. Anti-rotation cavity; 73. Anti-rotation sleeve; 8. Support beam; 81. Hinge seat; 82. Connecting seat; 9. Bracket. Detailed Implementation

[0054] To more clearly illustrate the overall concept of this application, a detailed explanation is provided below with reference to the accompanying drawings.

[0055] Many specific details are set forth in the following description in order to provide a full understanding of this application. However, this application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of this application is not limited to the specific embodiments disclosed below.

[0056] Furthermore, it should be understood in the description of this application that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0057] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0058] In this application, unless otherwise expressly specified and limited, the "above" or "below" of the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. In the description of this specification, references to terms such as "implementation," "example," "a particular embodiment," "example," or "specific example," etc., indicate that the specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples.

[0059] Reference Figures 1 to 11 A battery pack support box for a mining truck is disclosed, comprising a support frame 1, a thermal management pipe 2, a low-voltage wiring harness 3, and a high-voltage wiring harness 4. The support frame 1 has an internal space for accommodating the battery pack and a wiring space located outside the accommodating space. The support frame 1 has a first side and a second side opposite to the first side. The thermal management pipe 2 is located in the wiring space and on the first side. The low-voltage wiring harness 3 is located in the wiring space and on the first side. The high-voltage wiring harness 4 is located in the wiring space and has a connecting section 41 on the first side, a converging section 42 on the second side, and an extension section 43 between the connecting section 41 and the converging section 42. The converging section 42 extends along the length of the support frame 1.

[0060] When using the battery pack bracket housing of this application, the battery pack is installed in the installation space, with the inlet, outlet, high-voltage wire connection terminal and low-voltage wire connection terminal of the battery pack all located on the first side of the support frame 1. Then, the thermal management pipeline 2 is connected to the inlet and outlet of the battery pack, the connecting section 41 of the high-voltage wire harness 4 is connected to the high-voltage wire connection terminal of the battery pack, and the low-voltage wire harness 3 is connected to the low-voltage wire connection terminal of the battery pack.

[0061] Since the high-voltage wiring harness 4's converging section 42 is located on the second side of the support frame 1, at least a portion of the high-voltage wiring harness 4 is distributed on the second side of the support frame 1, while the low-voltage wiring harness 3 and the thermal management pipe 2 are distributed on the first side of the support frame 1. This allows for efficient use of the space on the second side of the support frame 1 while maintaining the same volume of the battery pack bracket housing. This avoids the situation where the thermal management pipe 2, high-voltage wiring harness 4, and low-voltage wiring harness 3 are all located on the first side, leading to overcrowding on the first side. This facilitates the installation and maintenance of the thermal management pipe 2, high-voltage wiring harness 4, and low-voltage wiring harness 3. Furthermore, placing the high-voltage wiring harness 4's converging section 42 on the second side allows for counterweighting of the battery pack bracket housing, resulting in a more even weight distribution. Additionally, it increases the distance between the high-voltage wiring harness 4's converging section 42 and the low-voltage wiring harness 3, reducing electromagnetic interference between them.

[0062] In a preferred embodiment, refer to Figure 2 The support frame 1 has a bracket 113 located on the second side inside. The bracket 113 has an insulator 114. The inside of the insulator 114 forms a wire bundle channel, and the converging section 42 passes through the wire bundle channel.

[0063] It is understandable that the bracket 113 is fixedly connected to the support frame 1, and the insulator 114 is fixedly connected to the bracket 113.

[0064] Since the converging section 42 passes through the wire harness channel, the wire harness channel can be used to limit and position the converging section 42 of the high-voltage wire harness 4, thereby ensuring the stability of the converging section 42 of the high-voltage wire harness 4 and improving the regularity of the converging section 42 of the high-voltage wire harness 4. Since the wire harness channel is formed inside the insulator 114, the converging section 42 of the high-voltage wire harness 4 can also be electromagnetically isolated from the support frame 1. Furthermore, since the insulator 114 is located on the bracket 113, the bracket 113 can be used to support the insulator 114, so that the insulator 114 supports the high-voltage wire harness 4, thereby further increasing the stability of the high-voltage wire harness 4.

[0065] This application does not specify a particular method for fixing the insulator 114 to the bracket 113. Preferably, the insulator 114 is fixedly connected to the bracket 113 by bolts to increase the connection stability between the insulator 114 and the bracket 113. In other embodiments, the insulator 114 may also be integrally formed into the bracket 113 or fixedly connected to the bracket 113 by snap-fit.

[0066] This application does not specifically limit the structure of the insulator 114. Preferably, the insulator 114 includes a first body and a second body, which are joined to form a wire harness channel to reduce the difficulty of fixing the high-voltage wire harness 4. In other embodiments, the insulator 114 may also be a block structure with a perforated structure.

[0067] This application does not specifically limit the material used to manufacture the insulator 114. Preferably, the insulator 114 is made of rubber, which on the one hand enables the insulator 114 to have insulating properties, and on the other hand increases the friction between the high-voltage wire harness 4 and the insulator 114, thereby increasing the connection stability between the high-voltage wire harness 4 and the insulator 114. In other embodiments, the insulator 114 may also be made of other materials with insulating properties, such as plastic.

[0068] In a preferred embodiment, refer to Figure 2 The support frame 1 has a first wire clip 121 located between the first side and the second side, and the extension section 43 passes through the first wire clip 121.

[0069] Understandably, the first wire clip 121 is fixedly connected to the support frame 1.

[0070] Since the extension section 43 is inserted through the first wire clamp 121, the extension section 43 of the high voltage wire harness 4 can be fixed and positioned by the first wire clamp 121, thereby increasing the stability of the extension section 43 of the high voltage wire harness 4 and further improving the stability of the high voltage wire harness 4.

[0071] In a preferred embodiment, refer to Figure 2 , Figure 3 and Figure 4 The accommodating space includes multiple rows of accommodating cavities, each row of accommodating cavities having a first end and a second end opposite to the first end. The low-voltage harness 3 includes a vertical segment 31 located at the first end and a horizontal segment 32 located at the top of the first side, and a connecting segment 41 located at the second end.

[0072] Understandably, each column of accommodating cavities has multiple accommodating cavities arranged sequentially in the vertical direction, and each accommodating cavity can hold a battery pack.

[0073] Since the vertical section 31 of the low-voltage harness 3 is located at the first end and the connecting section 41 of the high-voltage harness 4 is located at the second end, the vertical section 31 of the low-voltage harness 3 and the connecting section 41 of the high-voltage harness 4 are separated. This allows for the efficient use of the space at the first and second ends, facilitating the installation and maintenance of both the high-voltage harness 4 and the low-voltage harness 3. Furthermore, it increases the distance between the connecting section 41 of the high-voltage harness 4 and the vertical section 31 of the low-voltage harness 3, further preventing potential electromagnetic interference between the two harnesses.

[0074] Furthermore, refer to Figure 3 The support frame 1 has a second cable clip 115 inside. The second cable clip 115 is located at the top of the first side, and the horizontal section 32 passes through the second cable clip 115.

[0075] Since the horizontal section 32 is inserted through the second wire harness clip 115, the horizontal section 32 of the low-voltage wire harness 3 is fixed and positioned by the second wire harness clip 115, thereby increasing the stability of the low-voltage wire harness 3 and making the bottom wire harness more orderly inside the support frame 1.

[0076] Furthermore, refer to Figure 4 The heat management pipeline 2 includes a horizontal connecting section 22 and a vertical connecting section 21, with the horizontal connecting section 22 located below the horizontal section 32.

[0077] Since the horizontal connecting section 22 is located below the horizontal section 32, the low-voltage wiring harness 3 and the thermal management wiring harness are separated, which facilitates the installation and maintenance of the low-voltage wiring harness 3 and the thermal management pipeline 2, while avoiding the impact of possible leakage from the thermal management pipeline 2 on the low-voltage wiring harness 3.

[0078] This application does not specifically limit the structure of the support frame 1; preferably, refer to... Figure 8 The support frame 1 includes support units 11 and connecting units 12. Two sets of support units 11 are spaced apart. The connecting units 12 are located between the two sets of support units 11, and both ends of the connecting units 12 are connected to the two sets of support units 11 respectively. Each set of support units 11 includes a support plate 111 and a first C-shaped plate 112 located on the support plate 111. The support plate 111 is provided with a clearance opening, which can reduce the weight of the support unit 11, facilitate the arrangement of the thermal management pipeline 2, the high-voltage wire harness 4 and the low-voltage wire harness 3, and also facilitate the assembly and welding of the support unit 11. The connecting unit 12 includes a second C-shaped plate, and both ends of the second C-shaped plate are fixedly connected to the first C-shaped plate 112 of the two sets of support units 11. This can reduce the weight of the support frame 1 and increase the internal space of the support frame 1, so that the extension section 43 of the high-voltage wire harness 4 can be arranged inside the second C-shaped plate, thereby facilitating the installation of the extension section 43 of the high-voltage wire harness 4.

[0079] It is understandable that the connecting unit 12 and the two sets of supporting units 11 together form an accommodating space, and a wiring space is formed between two adjacent first C-shaped plates 112 and two adjacent second C-shaped plates.

[0080] Preferably, the first C-shaped plate 112 is provided with a through hole for the connection section 41 of the high-voltage wiring harness 4, the vertical connecting section 21 of the thermal management pipe 2, and the vertical section 31 of the low-voltage wiring harness 3 to pass through, so that the connection section 41 of the high-voltage wiring harness 4, the vertical connecting section 21 of the thermal management pipe 2, and the vertical section 31 of the low-voltage wiring harness 3 can pass through the through hole, so that the connection section 41 of the high-voltage wiring harness 4, the vertical connecting section 21 of the thermal management pipe 2, and the vertical section 31 of the low-voltage wiring harness 3 can avoid the battery pack placed in the accommodating cavity, thereby facilitating the installation of the battery pack.

[0081] Preferably, a rubber sleeve is provided at the opening of the hole, which on the one hand realizes electromagnetic isolation between the connection section 41 of the high voltage wire harness 4 and the vertical section 31 of the low voltage wire harness 3 and the support frame 1, and on the other hand, the rubber sleeve can also protect the connection section 41 of the high voltage wire harness 4, the vertical section 31 of the low voltage wire harness 3 and the vertical connecting section 21 of the thermal management pipeline 2.

[0082] Specifically, bracket 113 is fixedly connected to the first C-shaped plate 112, first cable clamp 121 is fixedly connected to the second C-shaped plate, second cable clamp 115 is fixedly connected to the first C-shaped plate 112, and the first C-shaped plate 112 is fixedly connected with a cable clamp for fixing the horizontal connecting section 22 to increase the stability of the thermal management pipeline 2.

[0083] In other embodiments, the support frame 1 can also be a frame structure composed of multiple frame beams.

[0084] In a preferred embodiment, refer to Figure 1 , Figure 6 and Figure 7 The support frame 1 is provided with a protective plate 5 on the outside. An insulation layer 51 is provided between the protective plate 5 and the support frame 1. The insulation layer 51 is provided with a positioning hole 511. The positioning hole 511 penetrates the insulation layer 51 in the thickness direction. The support frame 1 is provided with a positioning post 116 that extends into the positioning hole 511. The protective plate 5 is provided with a bolt. The bolt is provided in the positioning post 116 and is threaded to the support frame 1 or the bolt is threaded to the positioning post 116.

[0085] Understandably, the protective plate 5 is provided with a hole structure for the bolt shank to pass through. After the bolt is installed, the bolt shank passes through the protective plate 5 and the positioning post 116 and the bolt shank is threadedly connected to the support frame 1, or the bolt shank passes through the protective plate 5 and the bolt shank is threadedly connected to the positioning post 116, and the bolt head is pressed against the protective plate 5, so as to use the bolt head to apply pressure to the protective plate 5 in the direction close to the support frame 1 to fix the protective plate 5 to the support frame 1.

[0086] Since the positioning hole 511 penetrates the insulation layer 51 in the thickness direction, the positioning post 116 can extend into the positioning hole 511. After the protective plate 5 is installed on the side of the insulation layer 51 away from the support frame 1, the positioning post 116 can abut against the protective plate 5, so that the protective plate 5 can directly contact the positioning part. After the protective plate 5 is fixedly connected to the support frame 1 with bolts, the protective plate 5 can make hard contact with the positioning part, so as to avoid the situation where there is a flexible part between the protective plate 5 and the support frame 1, which would affect the connection stability between the protective plate 5 and the support frame 1, thereby ensuring the connection stability between the protective plate 5 and the support frame 1.

[0087] Meanwhile, since the insulation layer 51 is provided with positioning holes 511, the positioning post 116 can extend into the positioning holes 511, thereby allowing the insulation layer 51 to avoid contact with the positioning post 116, so that the insulation layer 51 can contact the support frame 1. Compared with the prior art, which requires the insulation layer 51 to be removed at the connection position between the support frame 1 and the protective plate 5, the insulation layer 51 can contact the support frame 1 and can be located between the protective plate 5 and the support frame 1, thereby improving the insulation effect of the insulation layer 51 on the battery pack bracket box, and thus improving the insulation performance of the battery pack bracket box.

[0088] In addition, since the positioning post 116 can extend into the positioning hole 511, the positioning post 116 can be used to position and support the insulation layer 51. On the one hand, this can increase the stability of the insulation layer 51 to ensure the insulation performance of the battery pack bracket box. On the other hand, the positioning post 116 and the positioning hole 511 can be used to position the insulation layer 51, thereby reducing the assembly difficulty of the insulation layer 51 and improving the assembly efficiency of the battery pack bracket box.

[0089] Furthermore, the technical solution in this application enables the insulation layer 51 to be located between the protective plate 5 and the support frame 1, which can also increase the sealing between the protective plate 5 and the support frame 1, thereby improving the dustproof effect of the battery pack bracket box.

[0090] Preferably, the support frame 1 has six sides, namely, the support frame 1 has a top surface, a bottom surface and four side surfaces, and protective plates 5 are provided on all six sides of the support frame 1, and an insulation layer 51 is provided between each protective plate 5 and the support frame 1.

[0091] This application does not specifically limit the connection relationship between the bolt and the support frame 1. It can be as described above, where the bolt thread passes through the positioning post 116 and is then threaded onto the support frame 1; it can also be as follows: Figure 7As shown, the support frame 1 is provided with a hole structure for bolts to pass through. The bolt's thread is connected to the positioning post 116, and the part of the bolt's thread that passes through the positioning post 116 extends into the hole structure of the support frame 1.

[0092] This application does not specifically limit the material used to manufacture the protective plate 5. Preferably, the protective plate 5 is a steel plate structure made of steel to improve the protective effect of the protective plate 5 on the battery. In other embodiments, the protective plate 5 may also be a plate structure made of other metals or non-metals with high hardness.

[0093] This application does not specifically limit the formation method of the insulation layer 51. Preferably, an aerogel insulation cotton board is provided between the protective plate 5 and the support frame 1, so that the aerogel insulation cotton board constitutes the insulation layer 51 to ensure the insulation performance of the battery pack bracket box. In other embodiments, the insulation layer 51 may also be formed of a soft rubber board or a flame-retardant fiberboard disposed between the protective plate 5 and the support frame 1.

[0094] This application does not specifically limit the connection method between the insulation layer 51 and the protective plate 5. Preferably, the insulation layer 51 is adhered to the protective plate 5 with double-sided adhesive to facilitate the assembly of the protective plate 5 and the insulation layer 51, while also increasing the connection stability between the insulation layer 51 and the protective plate 5. In other embodiments, the insulation layer 51 and the protective plate 5 can also be independent structures, that is, the insulation layer 51 and the protective plate 5 are only in contact, or the insulation layer 51 is adhered to the support frame 1 with double-sided adhesive or glue.

[0095] Preferably, multiple bolts are spaced apart along the circumference of the protective plate 5 to increase the number of fixing points for the protective plate 5 and thus increase the connection stability between the protective plate 5 and the support frame 1.

[0096] This application does not specify the thickness of the insulation layer 51. Preferably, the thickness D1 of the insulation layer 51 and the thickness D2 of the positioning post 116 satisfy the condition that D2 < D1 ≤ 1.5D2.

[0097] It should be noted that the thickness of the positioning post 116 refers to the dimension of the positioning post 116 in its own axial direction.

[0098] If the thickness of the insulation layer 51 is set to be less than the thickness of the positioning post 116, there will be a gap between the protective plate 5 and the insulation layer 51 after the protective plate 5 is installed on the support frame 1. As a result, the pressure of the protective plate 5 cannot be used to press the insulation layer 51 against the support frame 1, which will affect the contact effect between the insulation layer 51 and the support frame 1.

[0099] If the thickness of the insulation layer 51 is set to be greater than 1.5 times the thickness of the insulation layer 51, the protective plate 5 may not be able to abut against the positioning post 116, that is, the protective plate 5 and the positioning post 116 cannot make hard contact, which will affect the connection stability between the protective plate 5 and the support frame 1.

[0100] The thickness of the insulation layer 51 is set to be greater than the thickness of the positioning post 116 but less than or equal to 1.5 times the thickness of the positioning post 116. This allows the protective plate 5 to apply pressure to the insulation layer 51 in the direction of the support frame 1 during installation. This pressure causes the insulation layer 51 to undergo elastic deformation, resulting in the protective plate 5 contacting the positioning post 116 and the insulation layer 51 pressing tightly against the support frame 1. This improves the clamping force between the insulation layer 51 and the support frame 1, ensuring the insulation performance of the battery pack bracket housing. It also prevents the protective plate 5 from failing to contact the positioning post 116 due to the excessive thickness of the insulation layer 51, thus ensuring the connection stability between the protective plate 5 and the support frame 1.

[0101] Of course, in other embodiments, provided that the insulation layer 51 has sufficient elasticity, the thickness of the insulation layer 51 can be set to be greater than 1.5 times the thickness of the positioning post 116.

[0102] This application does not specify the exact manner in which the bolt head contacts the protective plate 5; preferably, it refers to... Figure 1 and Figure 6 A pressure strip 6 is provided on the side of the protective plate 5 away from the insulation layer 51, and bolts are inserted through the pressure strip 6.

[0103] Understandably, the pressure strip 6 has a hole structure for the bolt thread to pass through, and the bolt head contacts the protective plate 5 through the pressure strip 6.

[0104] Because a pressure strip 6 is provided on the side of the protective plate 5 away from the insulation layer 51, and bolts pass through the pressure strip 6, the bolt heads apply pressure to the protective plate 5 through the pressure strip 6. This increases the contact area between the bolt heads and the protective plate 5, reducing the pressure between them and preventing the protective plate 5 from easily deforming due to excessive pressure. This ensures the flatness of the connection between the protective plate 5 and the support frame 1, thereby ensuring the pressure effect of the protective plate 5 on the insulation layer 51 and the contact area between the insulation layer 51 and the support frame 1, further guaranteeing the insulation performance of the battery pack bracket housing. On the other hand, the pressure applied by the bolt heads to the pressure strip 6, and the pressure strip 6 to the protective plate 5, improves the uniformity of stress on the protective plate 5. This ensures that the protective plate 5 can apply pressure to the insulation layer 51 at all positions along the pressure strip 6, further guaranteeing the contact area between the insulation layer 51 and the support frame 1, and thus further guaranteeing the insulation performance of the battery pack bracket housing.

[0105] Preferably, multiple pressure strips 6 are provided, each pressure strip 6 corresponds to multiple bolts, and some pressure strips 6 are located between two adjacent protective plates 5. On the one hand, the pressure strips 6 located between two adjacent protective plates 5 can apply pressure to the two protective plates 5, thereby reducing the required number of bolts and pressure strips 6, thus reducing the production and manufacturing cost of the battery pack bracket box. On the other hand, the pressure strips 6 can also be used to fill the gap between two adjacent protective plates 5, thereby increasing the sealing between the two adjacent protective plates 5, and further increasing the heat insulation performance and dustproof effect of the battery pack bracket box.

[0106] In other embodiments, the pressure strip 6 can be omitted, meaning the bolt head directly contacts the protective plate 5.

[0107] Furthermore, an aluminum foil layer is provided on the side of the insulation layer 51 facing away from the protective plate 5, and the aluminum foil layer is in contact with the support frame 1.

[0108] It is understood that the aluminum foil layer is formed by an aluminum foil sheet disposed between the insulation layer 51 and the support frame 1, and the aluminum foil sheet is provided with a hole structure corresponding to the positioning hole 511 so that the positioning post 116 can pass through the aluminum foil and extend into the positioning hole 511.

[0109] Since the insulation layer 51 has an aluminum foil layer on the side away from the protective plate 5, and the aluminum foil layer is in contact with the support frame 1, the aluminum foil layer can be used to shield electromagnetic signals, thereby improving the electromagnetic shielding effect of the battery pack bracket box.

[0110] This application does not specifically limit the connection method between the aluminum foil layer and the insulation layer 51. Preferably, the aluminum foil layer is adhered to the insulation layer 51 with double-sided adhesive to increase the connection stability between the aluminum foil layer and the insulation layer 51. Simultaneously, the installation of the aluminum foil layer can be performed while the insulation layer 51 is being installed, thereby reducing the installation difficulty and improving the installation efficiency of the aluminum foil layer. In other embodiments, the aluminum foil layer and the insulation layer 51 can also be independent components, i.e., the aluminum foil layer and the insulation layer 51 are only in contact with each other, or the aluminum foil layer is fixedly connected to the support frame 1 by double-sided adhesive or other means.

[0111] In a preferred embodiment, refer to Figure 1 and Figure 6 The battery pack bracket also includes a bracket 9 located on the vehicle body, and a support 13 is provided at the bottom of the support frame 1. The support 13 is fixedly connected to the bracket 9 by bolts.

[0112] It is understood that the support 13 is fixedly connected to the support frame 1, and multiple supports 13 are provided. Multiple supports 13 are respectively provided on both sides of the bottom of the support frame 1. The length direction of the bracket 9 is parallel to the width direction of the mine car, and the bracket 9 is located between the driver's cab and the cargo box of the mine car.

[0113] Since the bracket 9 is located on the vehicle body, the bottom of the support frame 1 is provided with a support 13. The support 13 is fixedly connected to the bracket 9 by bolts. This ensures the stability of the connection between the battery pack bracket box and the vehicle body. On the other hand, due to different usage scenarios of mining trucks, different customer requirements, or when replacing or upgrading the mining truck battery, the same model may need to install different battery packs. When installing different battery packs, only the support frame 1 needs to be replaced. This allows at least part of the structure of the battery pack bracket box to be compatible with various battery sizes and models, thereby reducing the operating cost of mining trucks and the difficulty of equipment modification.

[0114] Because the bottom of the support frame 1 is provided with a support 13, which is fixedly connected to the bracket 9 by bolts, the connection stability between the support frame 1 and the bracket 9 is ensured. Compared with the solution of directly fixing the support frame 1 to the bracket 9 by bolts, the difficulty of fixing the support frame 1 to the bracket 9 is reduced and the connection stability between the support frame 1 and the bracket 9 is easier to check. Furthermore, the connection area between the support frame 1 and the bracket 9 is reduced, so that most of the vibration transmitted from the vehicle body to the bracket 9 is transmitted along the length of the bracket 9, thereby reducing the vibration of the battery installed inside the support frame 1 and improving the shock absorption effect of the battery pack bracket box on the battery.

[0115] Preferably, the bracket 9 is fixedly connected to the vehicle body with bolts to ensure the stability of the connection between the bracket 9 and the vehicle body.

[0116] Preferably, the length of the bracket 9 is equal to the width of the vehicle body, so that support frames 1 of various sizes can be installed on the bracket 9.

[0117] Furthermore, refer to Figure 9 and Figure 10 The support 13 includes a support plate 131 and a connecting plate 132. The support plate 131 is C-shaped. The connecting plate 132 is fixedly connected to the inside of the support plate 131. One end of the support plate 131 is fixedly connected to the bottom of the support frame 1 by welding. The other end of the support plate 131 is provided with a through hole 133. When the support frame 1 is installed on the bracket 9 using a bolt pair, the bolt of the bolt pair passes through the through hole 133 and the hole structure on the bracket 9. The bolt head is located inside the support plate 131 and at the opening of the through hole 133. The nut of the bolt pair is located inside the bracket 9 and abuts against the inner wall of the bracket 9.

[0118] Furthermore, refer to Figure 9 and Figure 10 The bolt head is hexagonal. The support plate 131 has an anti-rotation hole 134 corresponding to the through hole 133. The anti-rotation hole 134 is hexagonal. An anti-rotation element 7 is provided in the support plate 131. The anti-rotation element 7 includes a first anti-rotation body 71, a second anti-rotation body 72, and an anti-rotation sleeve 73. The first anti-rotation body 71 and the second anti-rotation body 72 are coaxially arranged. The first anti-rotation body 71 has an anti-rotation post 711. The second anti-rotation body 72 has an anti-rotation cavity 721 for accommodating the anti-rotation post 711. The anti-rotation sleeve 73 is fitted onto the outside of the second anti-rotation body 72. The cross-sectional shape of the first anti-rotation body 71 is hexagonal and matches the shape of the anti-rotation hole 134 so that the first anti-rotation body 71 can extend into the anti-rotation hole 134. The cross-section of the anti-rotation post 711... The anti-rotation cavity 721 is square or hexagonal in shape and its shape is adapted to the shape of the anti-rotation column 711 so that the first anti-rotation body 71 and the second anti-rotation body 72 can rotate synchronously. The cross-sectional shape of the second anti-rotation body 72 is hexagonal. The anti-rotation sleeve 73 is fitted on the outside of the second anti-rotation body 72 and its shape is adapted to the shape of the second anti-rotation body 72 so that the anti-rotation sleeve 73 can rotate synchronously with the second anti-rotation body 72. The anti-rotation sleeve 73 is fitted on the outside of the bolt head of the bolt pair and its interior contacts the outer circumferential surface of the bolt head. This allows the anti-rotation element 7 to restrict the rotation of the bolt of the bolt pair, thereby increasing the stability of the bolt of the bolt pair and ensuring the connection stability between the support 13 and the bracket 9.

[0119] The better one is to refer to Figure 9 and Figure 10 A spring 712 is provided between the first anti-rotation body 71 and the second anti-rotation body 72, which is sleeved on the outside of the anti-rotation column 711. One end of the spring 712 abuts against the first anti-rotation body 71, and the other end of the spring 712 abuts against the second anti-rotation body 72. This allows the first anti-rotation body 71 to extend into the anti-rotation hole 134 after the anti-rotation body is installed in the support 13, and the second anti-rotation body 72 to be sleeved on the outside of the bolt head. This increases the limiting and fixing effect of the anti-rotation body on the bolt pair, thereby further increasing the connection stability between the support frame 1 and the bracket 9.

[0120] The better one is to refer to Figure 9 and Figure 10 Both the side of the first anti-rotation body 71 and the side of the second anti-rotation body 72 are provided with a hand-held post 713. The outside of the anti-rotation sleeve 73 is provided with a strip-shaped hole for the hand-held post 713 to pass through. The length direction of the strip-shaped hole is parallel to the axial direction of the anti-rotation sleeve 73 to ensure that the anti-rotation sleeve 73 can slide relative to the second anti-rotation body 72.

[0121] Specifically, during the installation of the anti-rotation body, the anti-rotation sleeve 73 is first slid to allow relative movement between the anti-rotation sleeve 73 and the second anti-rotation body 72, ultimately making the bottom of the anti-rotation sleeve 73 flush with the bottom of the second anti-rotation body 72. Then, the operator can press the two hand-held posts 713 with their fingers, causing the first anti-rotation body 71 and the second anti-rotation body 72 to overcome the elastic force of the spring 712 and move towards each other under the action of the two hand-held posts 713, thereby changing the overall length of the anti-rotation component 7. Shorten the length, then install the anti-rotation element 7 into the support 13, release the hand-held column 713, and the first anti-rotation body 71 and the second anti-rotation body 72 move away from each other under the action of the spring 712, so that the first anti-rotation body 71 extends into the anti-rotation hole 134 and the second anti-rotation body 72 abuts against the bolt head. Then slide the anti-rotation sleeve 73 downward so that the anti-rotation sleeve 73 and the second anti-rotation body 72 slide relative to each other, and finally make the anti-rotation sleeve 73 fit over the outside of the bolt head, thus completing the installation of the anti-rotation body.

[0122] In a preferred embodiment, refer to Figure 1 , Figure 6 and Figure 11 The battery box also includes a support beam 8, which is inclined and has one end connected to the support frame 1 and the other end connected to the vehicle body. This makes the support beam 8, the support frame 1 and the vehicle body form a triangle to increase the stability of the support frame 1 and prevent the support frame 1 from shifting on the vehicle body due to inertia when the mine car is moving. This ensures the stability of the electrical connection between the mine car and the battery and increases the safety of the mine car.

[0123] This application does not specify the location of the support beam 8. When the space between the cab and the cargo box is small, the support beam 8 can be set only on the side of the support frame 1 near the cab to eliminate the tendency of the support frame 1 to shift relative to the car body under the action of inertial force when the mine car moves forward. When the space between the cab and the cargo box is large enough, multiple support beams 8 can be set, and the multiple support beams 8 are located on the side of the support frame 1 near the cab and the side of the support frame 1 near the cargo box, respectively, to further increase the stability of the support frame 1. In addition to the above two cases, when the length of the support frame 1 is less than the width of the mine car, a support beam 8 can also be added to the top of the support frame 1 in the length direction to further increase the stability of the battery box.

[0124] This application does not specify the connection method between the support beam 8, the support frame 1, and the vehicle body. Preferably, refer to... Figure 1 and Figure 11 One end of the support beam 8 is hinged to a hinge seat 81, and the other end of the support beam 8 is hinged to a connecting seat 82. The hinge seat 81 is connected to the support frame 1, and the connecting seat 82 is connected to the vehicle body.

[0125] It is understandable that the hinge seat 81 is fixedly connected to the support frame 1, and the connecting seat 82 is fixedly connected to the vehicle body.

[0126] Since one end of the support beam 8 is hinged to a hinge seat 81 and the other end of the support beam 8 is hinged to a connecting seat 82, the hinge seat 81 is connected to the support frame 1 and the connecting seat 82 is connected to the vehicle body, the position of the support beam 8 can be adjusted according to different vehicle models or different support frames 1 to increase the flexibility of the support beam 8. At the same time, compared with the solution of directly welding the support beam 8 to the support frame 1 and the vehicle body, it can also increase the connection stability of the support beam 8 with the support frame 1 and the vehicle body.

[0127] Preferably, both ends of the support beam 8 are provided with through holes, and connecting pipes are inserted through the through holes. The hinge seat 81 and the connecting seat 82 are hinged to the support beam 8 through pins inserted in the connecting pipes. That is, the pins contact the support beam 8 through the connecting pipes, so as to increase the service life of the support beam 8 and ensure the support effect of the support beam 8 on the support frame 1.

[0128] Furthermore, the support frame 1 is provided with a mounting plate 14, and the hinge seat 81 is fixedly connected to the mounting plate 14.

[0129] It is understandable that the mounting plate 14 is fixedly connected to the support frame 1.

[0130] Since the hinge seat 81 is fixedly connected to the mounting plate 14, the connection area between the hinge seat 81 and the support frame 1 is increased, thereby increasing the connection stability between the support beam 8 and the support frame 1, and also reducing the difficulty of connecting the hinge seat 81 and the support frame 1 together.

[0131] In other embodiments, both ends of the support beam 8 can be fixed to the support frame 1 and the vehicle body by means of a fixed connection.

[0132] This application does not impose specific limitations on the structure of the support beam 8. Preferably, the cross-sectional shape of the support beam 8 is H-shaped to improve its structural strength. In other embodiments, the support beam 8 may also be a solid structure with a circular or square cross-sectional shape.

[0133] For any parts not mentioned in this application, existing technologies may be used or referenced.

[0134] The various embodiments in this specification are described in a progressive manner. The same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on describing the differences from other embodiments.

[0135] The above description is merely an embodiment of this application and is not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A battery pack support box for a mining truck, characterized in that, include: A support frame (1) has an internal accommodating space for accommodating a battery pack and a wiring space located outside the accommodating space, and the support frame (1) has a first side and a second side opposite to the first side. Thermal management piping (2), the thermal management piping (2) is provided in the wiring space and located on the first side; Low-voltage wiring harness (3), the low-voltage wiring harness (3) is disposed in the wiring space and located on the first side; A high-voltage wiring harness (4) is provided in the wiring space. The high-voltage wiring harness (4) has a connecting section (41) located on the first side, a gathering section (42) located on the second side, and an extension section (43) located between the connecting section (41) and the gathering section (42). The gathering section (42) extends along the length direction of the support frame (1).

2. The battery pack bracket housing for a mining truck according to claim 1, characterized in that, The support frame (1) is provided with a bracket (113) located on the second side inside. The bracket (113) is provided with an insulator (114). A wire bundle channel is formed inside the insulator (114), and the gathering section (42) passes through the wire bundle channel.

3. The battery pack bracket housing for a mining truck according to claim 1, characterized in that, The support frame (1) is provided with a first wire harness clip (121) located between the first side and the second side, and the extension section (43) passes through the first wire harness clip (121).

4. A battery pack support box for a mining truck according to any one of claims 1-3, characterized in that, The accommodating space includes multiple rows of accommodating cavities, each row of accommodating cavities having a first end and a second end opposite to the first end. The low-voltage harness (3) includes a vertical segment (31) located at the first end and a horizontal segment (32) located at the top of the first side. The connecting segment (41) is located at the second end.

5. A battery pack support box for a mining truck according to claim 4, characterized in that, The support frame (1) is provided with a second cable tie (115) inside. The second cable tie (115) is located at the top of the first side, and the horizontal segment (32) passes through the second cable tie (115).

6. A battery pack support box for a mining truck according to claim 4, characterized in that, The thermal management pipeline includes a horizontal connecting section (22) and a vertical connecting section (21), with the horizontal connecting section (22) located below the horizontal section (32).

7. A battery pack support box for a mining truck according to any one of claims 1-3, characterized in that, The support frame (1) is provided with a protective plate (5) on its exterior. An insulation layer (51) is provided between the protective plate (5) and the support frame (1). The insulation layer (51) is provided with a positioning hole (511). The positioning hole (511) penetrates the insulation layer (51) in the thickness direction. The support frame (1) is provided with a positioning post (116) extending into the positioning hole (511). The protective plate (5) is provided with a bolt. The bolt is provided through the positioning post (116) and threaded to the support frame (1), or the bolt is threaded to the positioning post (116).

8. A battery pack support box for a mining truck according to claim 7, characterized in that, The protective plate (5) is provided with a pressure strip (6) on the side away from the insulation layer (51), and the bolt passes through the pressure strip (6).

9. A battery pack bracket housing for a mining truck according to claim 7, characterized in that, An aluminum foil layer is provided on the side of the insulation layer (51) away from the protective plate (5), and the aluminum foil layer is in contact with the support frame (1).

10. A battery pack support box for a mining truck according to any one of claims 1-3, characterized in that, The battery pack bracket housing also includes a bracket (9) located on the vehicle body. The bottom of the support frame (1) is provided with a support (13), and the support (13) is fixedly connected to the bracket (9) by bolts.

Images