Storage battery box assembly of heavy truck

Abstract

The utility model discloses a storage battery box body assembly of a heavy truck, which relates to the technical field of vehicle-mounted power supplies and is provided with a lead-acid storage battery, the lead-acid storage battery is mounted on a storage battery box body, and the storage battery box body comprises a bottom plate, a left support mechanism and a right support mechanism; the left support mechanism and the right support mechanism are fixedly installed on the two opposite sides of the bottom plate. A rubber pad is mounted on the upper surface of the bottom plate; the lead-acid storage battery is placed on the rubber pad and located between the left support mechanism and the right support mechanism. A pressing plate is mounted at the top of the lead-acid storage battery; a fixed pull rod is connected between the pressing plate and the bottom plate; the fixed pull rod is connected to form the pressing plate, and the lead-acid storage battery and the bottom plate are mutually fixed; according to the device, the bottom plate, the left bracket mechanism and the right bracket mechanism form an integral bearing frame of the storage battery box body, and are matched with the pressing plate and the fixed pull rod to fix the lead-acid storage battery on the storage battery box body, so that the lead-acid storage battery and the storage battery box body are fixedly mounted on a frame, and the protection and support effects are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle-mounted power supplies, in particular to a heavy-duty truck battery box assembly. Background Art

[0002] Lead-acid batteries are a small low-voltage storage and power supply device widely used in automobiles. They supply power to low-voltage electrical appliances on the car with a voltage lower than 24V (such as remote control keys, headlights, wipers, etc.); they are suitable for both traditional fuel vehicles and new energy vehicles; for traditional vehicles, when starting the engine, they supply power to the starting system and ignition system; when the generator voltage is lower than the battery voltage or no power is generated, they supply power to electrical equipment; when the generator generates excess power, the battery stores the excess power and plays a charging role; instantaneous overvoltage occurs in the circuit, which is absorbed by the battery to protect electronic components and electrical devices from harm; for new energy vehicles, when driving, the low-voltage battery works first with low voltage, and then wakes up the vehicle controller VCU; if there is no low voltage, first, there is a risk of forcing high voltage if there is a problem with the line or other high-voltage accessories, and second, the energy consumption of the whole vehicle is very high under high voltage state.

[0003] Lead-acid batteries are important components for automobile power supply. Therefore, it is urgent to design a low-voltage battery box assembly for new energy and traditional vehicles with optimized structure, flexible applicability, stable installation, and protective support for better use. Utility Model Content

[0004] The utility model aims to provide a heavy truck battery box assembly which has an optimized structure, is flexible and applicable, is firmly installed, and has a protective and supporting function.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A heavy truck battery box assembly, the battery box assembly has a lead-acid battery, and the lead-acid battery is installed on the battery box:

[0007] The battery box comprises a bottom plate, a left bracket mechanism and a right bracket mechanism;

[0008] The left bracket mechanism and the right bracket mechanism are fixedly installed on opposite sides of the bottom plate;

[0009] A rubber pad is installed on the upper surface of the bottom plate;

[0010] The lead-acid battery is placed on the rubber pad and between the left bracket mechanism and the right bracket mechanism;

[0011] A pressure plate is installed on the top of the lead-acid battery;

[0012] A fixed pull rod is connected between the pressing plate and the bottom plate;

[0013] The fixing rods are used to connect the pressure plate, the lead-acid battery and the bottom plate so that their positions are fixed to each other.

[0014] Further, the left bracket mechanism includes a left side plate, a left connecting bracket and a left fixing body;

[0015] The left side plate is formed with a first mounting portion and a second mounting portion;

[0016] The first mounting portion and the second mounting portion form an angle of 90°;

[0017] The first mounting portion is connected to the left connecting bracket and the left fixing body by bolts;

[0018] The second mounting portion is connected to the left connecting bracket and the bottom plate;

[0019] The bottom plate is overlapped on the second mounting portion;

[0020] The left connecting bracket is covered on the outside of the first mounting portion and the second mounting portion;

[0021] The left side plate is provided with a first concave rib portion, a second concave rib portion and a third concave rib portion;

[0022] The concave rib part one is located above the concave rib part two;

[0023] The concave rib part three is located between the concave rib part one and the concave rib part two, and a corner side of the concave rib part three is in contact with the side of the left connecting bracket and the left fixing body.

[0024] Further, the left connecting bracket is formed with a third mounting portion and a fourth mounting portion;

[0025] The third mounting portion and the fourth mounting portion form an angle of 90°;

[0026] The third mounting portion is fitted on the first mounting portion and is connected and fixed to the left side plate and the left fixing body through bolts;

[0027] The fourth mounting portion is connected and fixed to the second mounting portion and the bottom plate.

[0028] Further, the left fixing body is formed with a fifth mounting portion and a sixth mounting portion;

[0029] The surface of the fifth mounting portion is concave-convex to cooperate with the frame to form a fixed installation;

[0030] The sixth mounting portion is fitted on a side of the first mounting portion opposite to the third mounting portion, and is connected and fixed to the left side plate and the left connecting bracket by bolts;

[0031] A boss and reinforcing ribs are distributed inside the sixth mounting portion.

[0032] Further, the right bracket mechanism includes a right fixing body and a right side plate;

[0033] The right fixed body comprises an L-shaped bending part, a semi-enclosed bending part and a triangular reinforcing rib;

[0034] The L-shaped bending part is provided with a plug welding hole;

[0035] The L-shaped bending part is overlapped with the semi-enclosed bending part and fixed by welding through the plug welding hole;

[0036] A seventh mounting portion is formed on the L-shaped bending piece and the semi-enclosed bending piece;

[0037] The seventh mounting portion is mounted in close contact with the right side plate;

[0038] A cylindrical boss is provided on the semi-enclosed bending part;

[0039] The right side plate is mounted on the right fixed body via a cylindrical boss;

[0040] The triangular reinforcement ribs are distributed and connected to the L-shaped bending part and the semi-enclosed bending part;

[0041] The triangular reinforcement rib is formed with an eighth mounting portion;

[0042] The eighth mounting portion is provided with a bolt hole;

[0043] A bolt is installed in the bolt hole and extends to the frame to form an eighth installation portion connected and fixed to the frame.

[0044] Furthermore, the seventh mounting portion is provided with a circular through hole, a triangular through hole and a trapezoidal through hole.

[0045] Furthermore, four concave ribs are distributed on the right side plate.

[0046] Furthermore, a pressing plate hole is provided on the pressing plate;

[0047] The bottom plate is formed with double circular concave rib holes and convex rib holes;

[0048] The bottom plate is connected and fixed to the left bracket mechanism and the right bracket mechanism through double circular concave rib holes;

[0049] The fixing rod passes through the pressing plate hole and the convex rib hole in sequence to realize the installation and fixing of the lead-acid battery.

[0050] Furthermore, the left side plate is made of 510L steel;

[0051] The left connecting bracket and the right fixing body are made of Q355 steel;

[0052] The left fixing body is made of ZL204 aluminum alloy material.

[0053] In the above technical solution, the heavy truck battery box assembly of the utility model has the following beneficial effects:

[0054] The device has an optimized structure and the lead-acid battery is stably installed. The bottom plate, the left bracket mechanism and the right bracket mechanism form an overall load-bearing frame of the battery box, and cooperate with the pressure plate and the fixed pull rod to fix the lead-acid battery on the battery box, and then the lead-acid battery and the battery box are fixedly installed on the frame to play a role of protection and support. BRIEF DESCRIPTION OF THE DRAWINGS

[0055] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0056] Figure 1 A structural schematic diagram of a heavy truck battery box assembly provided by an embodiment of the utility model;

[0057] Figure 2 A schematic diagram of the structure of a left bracket mechanism in a heavy truck battery box assembly provided by an embodiment of the utility model;

[0058] Figure 3 A structural schematic diagram of a left side plate in a heavy truck battery box assembly provided by an embodiment of the utility model;

[0059] Figure 4 A structural schematic diagram of a left connecting bracket in a heavy truck battery box assembly provided by an embodiment of the utility model;

[0060] Figure 5 A structural schematic diagram of a left fixed body in a heavy truck battery box assembly provided by an embodiment of the utility model;

[0061] Figure 6 A structural schematic diagram of a left fixed body in a heavy truck battery box assembly provided by an embodiment of the utility model;

[0062] Figure 7 A schematic diagram of the structure of a right bracket mechanism in a heavy truck battery box assembly provided by an embodiment of the utility model;

[0063] Figure 8 A schematic structural diagram of a right fixed body in a heavy truck battery box assembly provided by an embodiment of the utility model;

[0064] Fig. 9A schematic structural diagram of a right fixed body in a heavy truck battery box assembly provided by an embodiment of the utility model;

[0065] Fig.10 A schematic structural diagram of a bottom plate in a heavy truck battery box assembly provided by an embodiment of the utility model;

[0066] Fig.11 A schematic structural diagram of a medium pressure plate of a heavy truck battery box assembly provided by an embodiment of the utility model;

[0067] Fig.12 The present invention is a schematic structural diagram of a fixed pull rod in a battery box assembly for a heavy truck provided by an embodiment of the present invention.

[0068] Description of reference numerals:

[0069] 1. Lead-acid battery; 2. Battery box; 3. Rubber pad; 4. Pressure plate; 5. Fixed pull rod;

[0070] 21. Bottom plate; 22. Left bracket mechanism; 23. Right bracket mechanism;

[0071] 211, double circular concave rib hole; 212, convex rib hole;

[0072] 221, left side plate; 222, left connecting bracket; 223, left fixing body;

[0073] 2211, first mounting portion; 2212, second mounting portion; 2213, concave rib portion 1; 2214, concave rib portion 2; 2215, concave rib portion 3;

[0074] 2221, third installation part; 2222, fourth installation part;

[0075] 2231, fifth mounting portion; 2232, sixth mounting portion; 2233, boss; 2234, reinforcing rib;

[0076] 231, right fixed body; 232, right side plate;

[0077] 2311, L-shaped bending part; 2312, semi-enclosed bending part; 2313, triangular reinforcing rib; 2314, plug welding hole; 2315, seventh mounting part; 2316, cylindrical boss; 2317, eighth mounting part; 2318, bolt hole;

[0078] 2321, four concave ribs;

[0079] 41. Pressure plate hole. DETAILED DESCRIPTION

[0080] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0081] It should be noted that the terms "both sides", "top", "above", "side", "surface", etc. used in this article indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description. Similar expressions are only for the purpose of explanation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh", "eighth", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0082] See also Figure 1-Figure 12 As shown;

[0083] A heavy truck battery box assembly, the battery box assembly comprises a lead-acid battery 1, the lead-acid battery 1 is mounted on a battery box 2:

[0084] The battery box 2 includes a bottom plate 21, a left bracket mechanism 22 and a right bracket mechanism 23;

[0085] The left bracket mechanism 22 and the right bracket mechanism 23 are fixedly mounted on opposite sides of the bottom plate 21;

[0086] A rubber pad 3 is installed on the upper surface of the bottom plate 21;

[0087] The lead-acid battery 1 is placed on the rubber pad 3 and is located between the left bracket mechanism 22 and the right bracket mechanism 23;

[0088] A pressure plate 4 is installed on the top of the lead-acid battery 1;

[0089] A fixed pull rod 5 is connected between the pressing plate 4 and the bottom plate 21;

[0090] The pressure plate 4 , the lead-acid storage battery 1 , and the bottom plate 21 are connected by a fixed pull rod 5 to fix their positions relative to each other.

[0091] Specifically, a heavy truck battery box assembly is composed of a lead-acid battery 1, a battery box 2, a rubber pad 3, a pressure plate 4, and a fixed pull rod 5, wherein the lead-acid battery 1 is installed on the battery box 2, and the main structure of the battery box assembly is the battery box 2, and the battery box 2 is composed of a bottom plate 21, a left bracket mechanism 22 and a right bracket mechanism 23, and the left bracket mechanism 22 and the right bracket mechanism 23 are vertically installed on both sides of the bottom plate 21, and the space on the bottom plate 21 between the left bracket mechanism 22 and the right bracket mechanism 23 is used to install the lead-acid battery Pool 1, during installation, the bottom of the lead-acid battery 1 does not directly contact the bottom plate 21, a rubber pad 3 is laid on the top of the bottom plate 21, and then the lead-acid battery 1 is placed on the rubber pad 3, the rubber pad 3 is effectively insulated, and also increases the friction with the bottom of the lead-acid battery 1, so as to better fix the lead-acid battery 1, after the lead-acid battery 1 is placed, a pressure plate 4 is installed thereon, and then a fixing rod 5 is connected between the pressure plate 4 and the bottom plate 21, and the fixing rod 5 is fixedly installed on the pressure plate 4 and the bottom plate 21, so as to fix the position of the lead-acid battery 1, thereby the battery case assembly is completed.

[0092] The left bracket mechanism 22 includes a left side plate 221, a left connecting bracket 222 and a left fixing body 223;

[0093] The left side plate 221 is formed with a first mounting portion 2211 and a second mounting portion 2212;

[0094] The first mounting portion 2211 and the second mounting portion 2212 form an angle of 90°;

[0095] The first mounting portion 2211 is connected to the left connecting bracket 222 and the left fixing body 223 by bolts;

[0096] The second mounting portion 2212 is connected to the left connecting bracket 222 and the bottom plate 21;

[0097] The bottom plate 21 is overlapped on the second mounting portion 2212;

[0098] The left connecting bracket 222 is covered on the outside of the first mounting portion 2211 and the second mounting portion 2212;

[0099] The left side plate 221 is provided with a concave rib part 1 2213, a concave rib part 2214 and a concave rib part 3 2215;

[0100] The concave rib part 2213 is located above the concave rib part 2214;

[0101] The third concave rib portion 2215 is located between the first concave rib portion 2213 and the second concave rib portion 2214 , and a corner side of the third concave rib portion 2215 is in contact with the side edges of the left connecting bracket 222 and the left fixing body 223 .

[0102] Specifically, the left bracket mechanism 22 on one side of the bottom plate 21 comprises a left side plate 221, a left connecting bracket 222 and a left fixing body 223, wherein the left side plate 221 body is divided into a first mounting portion 2211 and a second mounting portion 2212 which are integrally formed and vertically connected, the left connecting bracket 222 and the left fixing body 223 are distributed and arranged on the first mounting portion 2211, the second mounting portion 2212 is located at the bottom of the left side plate 221, the second mounting portion 2212 is parallel to and connected to the bottom plate 21, and at the same time, a part of the structure of the left connecting bracket 222 is also connected to the second mounting portion 2212, specifically, the bottom plate 21 is parallel to and located on the second mounting portion 2212, a part of the structure of the left connecting bracket 222 is located below the second mounting portion 2212, and the three are parallel and connected and fixed;

[0103] Preferably, the surface of the left side plate 221 is provided with a concave rib part 2213 , a concave rib part 2214 and a concave rib part 3 2215 which penetrate each other and are distributed in the horizontal and vertical directions, so as to further increase the rigidity and anti-deformation capability of the left side plate 221 .

[0104] The left connecting bracket 222 is formed with a third mounting portion 2221 and a fourth mounting portion 2222;

[0105] The third mounting portion 2221 and the fourth mounting portion 2222 form an angle of 90°;

[0106] The third mounting portion 2221 is fitted on the first mounting portion 2211 and is connected and fixed to the left side plate 221 and the left fixing body 223 through bolts;

[0107] The fourth mounting portion 2222 is connected and fixed to the second mounting portion 2212 and the bottom plate 21 .

[0108] Specifically, the main body of the left connecting bracket 222 is divided into a third mounting portion 2221 and a fourth mounting portion 2222 which are integrally formed and vertically connected. The left connecting bracket 222 is arranged on the first mounting portion 2211, that is, the third mounting portion 2221 is connected to the first mounting portion 2211, and the left fixed body 223 is also arranged on the first mounting portion 2211, that is, the third mounting portion 2221, the first mounting portion 2211 and partial structures of the left fixed body 223 are connected together, and the fourth mounting portion 2222 is connected and fixed to the second mounting portion 2212 and the bottom plate 21, which indicates that the left side plate 221, the left connecting bracket 222, and the left fixed body 223 are connected and fixed, and the left bracket mechanism 22 composed of the left side plate 221, the left connecting bracket 222, and the left fixed body 223 is fixedly installed on the bottom plate 21.

[0109] The left fixing body 223 is formed with a fifth mounting portion 2231 and a sixth mounting portion 2232;

[0110] The surface of the fifth mounting portion 2231 is concave-convex to match the frame for fixed installation;

[0111] The sixth mounting portion 2232 is located on one side of the first mounting portion 2211 opposite to the third mounting portion 2221 and is connected and fixed to the left side plate 221 and the left connecting bracket 222 by bolts.

[0112] A boss 2233 and a reinforcing rib 2234 are distributed inside the sixth mounting portion 2232 .

[0113] Specifically, the main body of the left fixed body 223 is divided into a fifth mounting portion 2231 and a sixth mounting portion 2232, wherein the fifth mounting portion 2231 has a concave-convex surface and is used to connect with the vehicle frame; the sixth mounting portion 2232 is attached to one side of the first mounting portion 2211, and the third mounting portion 2221 of the left connecting bracket 222 is attached to the other side of the first mounting portion 2211, and the first mounting portion 2211 is sandwiched between the sixth mounting portion 2232 and the third mounting portion 2221, and then the three are connected together by bolts, thereby realizing the connection and fixation of the left fixed body 223, the left side plate 221, and the left connecting bracket 222;

[0114] Preferably, a boss 2233 and a reinforcing rib 2234 are distributed on the inner side of the sixth mounting portion 2232 , and the structural design of the boss 2233 and the reinforcing rib 2234 can enhance the rigidity of the plate body, which is beneficial to the supporting effect.

[0115] The right bracket mechanism 23 includes a right fixing body 231 and a right side plate 232;

[0116] The right fixing body 231 has an L-shaped bending part 2311, a semi-enclosed bending part 2312 and a triangular reinforcing rib 2313;

[0117] A plug welding hole 2314 is provided on the L-shaped bending part 2311;

[0118] The L-shaped bending part 2311 is overlapped with the semi-enclosed bending part 2312 and fixed by welding through the plug welding hole 2314;

[0119] A seventh mounting portion 2315 is formed on the L-shaped bending piece 2311 and the semi-enclosed bending piece 2312;

[0120] The seventh mounting portion 2315 is mounted in close contact with the right side plate 232;

[0121] A cylindrical boss 2316 is provided on the semi-enclosed bending part 2312;

[0122] The right side plate 232 is mounted on the right fixed body 231 through a cylindrical boss 2316;

[0123] The triangular reinforcing ribs 2313 are distributed and connected to the L-shaped bending part 2311 and the semi-enclosed bending part 2312;

[0124] The triangular reinforcing rib 2313 is formed with an eighth mounting portion 2317;

[0125] The eighth mounting portion 2317 is provided with a bolt hole 2318;

[0126] A bolt is installed in the bolt hole 2318 and extends to the frame to form an eighth mounting portion 2317 connected and fixed to the frame.

[0127] Specifically, the right bracket mechanism 23 is composed of a right fixed body 231 and a right side plate 232. The right fixed body 231 and the right side plate 232 are installed together, wherein the right fixed body 231 has an L-shaped bending part 2311, a semi-enclosed bending part 2312 and a triangular reinforcing rib 2313. The L-shaped bending part 2311 and the semi-enclosed bending part 2312 are plate-like structures, which are superimposed together, and a plug welding hole 2314 is opened on the L-shaped bending part 2311, and the L-shaped bending part 2311 and the semi-enclosed bending part 2312 are connected by welding, and the triangular reinforcing rib 2313 is fixedly installed on the side of the L-shaped bending part 2311 and the semi-enclosed bending part 2312. The L-shaped bending part 2311 and the semi-enclosed bending part 2312 are fixedly installed on the side of the L-shaped bending part 2311 and the semi-enclosed bending part 2312. The bent piece 2311 and the semi-enclosed bent piece 231 form an integral plate-like structure, which is formed with a seventh mounting portion 2315, and a cylindrical boss 2316 is arranged on one side of the semi-enclosed bent piece 2312, and the right side plate 232 is mounted on the cylindrical boss 2316 and fits with the seventh mounting portion 2315, that is, the right side plate 232 is mounted and fixed to the right fixed body 231; at the same time, the triangular reinforcement rib 2313 is formed with an eighth mounting portion 2317, and the eighth mounting portion 2317 contacts the external frame, and the bolt hole 2318 on the eighth mounting portion 2317 is used to install bolts, thereby fixing the triangular reinforcement rib 2313 on the frame, and finally realizing the fixed connection between the battery box assembly and the frame.

[0128] The seventh mounting portion 2315 is provided with a circular through hole, a triangular through hole and a trapezoidal through hole.

[0129] Specifically, the circular through holes, triangular through holes and trapezoidal through holes provided on the seventh mounting portion 2315 can save raw materials required for production, while reducing the weight of the battery box 2, thereby reducing the weight of the entire vehicle and making it more optimized.

[0130] Four concave ribs 2321 are distributed on the right side plate 232 .

[0131] Preferably, the right side plate 232 is provided with four concave ribs 2321 to increase the rigidity and deformation resistance of the right side plate 232 and improve the overall performance of the battery box assembly.

[0132] The pressing plate 4 is provided with a pressing plate hole 41;

[0133] The bottom plate 21 is formed with a double circular concave rib hole 211 and a convex rib hole 212;

[0134] The bottom plate 21 is connected and fixed to the left bracket mechanism 22 and the right bracket mechanism 23 through the double circular concave rib hole 211;

[0135] The fixing rod 5 passes through the pressing plate hole 41 and the rib hole 212 in sequence to achieve installation and fixation of the lead-acid battery 1 .

[0136] Specifically, the lead-acid battery 1 is fixed by connecting the pressing plate 4 with the bottom plate 21. Specifically, a pressing plate hole 41 is provided on the pressing plate 4, and a rib hole 212 is provided on the bottom plate 21. A fixing rod 5 is connected between the pressing plate hole 41 and the rib hole 212, so that the lead-acid battery is fixedly clamped between the pressing plate 4 and the bottom plate 21, so that the position of the lead-acid battery 1 is fixed.

[0137] A double circular concave rib hole 211 is formed on the bottom plate 21 , and when the left bracket mechanism 22 and the right bracket mechanism 23 are connected to the bottom plate 21 , they are assembled through the double circular concave rib hole 211 .

[0138] The left side plate 221 is made of 510L steel;

[0139] The left connecting bracket 222 and the right fixing body 231 are made of Q355 steel;

[0140] The left fixed body 223 is made of ZL204 aluminum alloy material.

[0141] Preferably, the left bracket mechanism 22 and the right bracket mechanism 23 use plates of different materials at different positions to facilitate coordinated use.

[0142] In the above technical solution, the heavy truck battery box assembly of the utility model has the following beneficial effects:

[0143] 1. The left fixed body of the device is a cast aluminum part, and the right fixed body is a sheet metal part, which can be flexibly applied to various boundaries;

[0144] 2. The device adds a left connecting bracket to strengthen the connection between the left fixed body and the left side plate, thereby improving the reliability of the left side plate and reducing fatigue damage;

[0145] 3. In the device, a circular through hole, a triangular through hole and a trapezoidal through hole are provided on the right fixed body, which not only saves raw materials but also reduces the weight of the whole vehicle.

[0146] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A heavy truck battery box assembly, the battery box assembly comprising a lead-acid battery (1), the lead-acid battery (1) being mounted on a battery box (2), characterized in that: The battery box (2) comprises a bottom plate (21), a left bracket mechanism (22) and a right bracket mechanism (23); The left bracket mechanism (22) and the right bracket mechanism (23) are fixedly mounted on opposite sides of the bottom plate (21); A rubber pad (3) is installed on the upper surface of the bottom plate (21); The lead-acid battery (1) is placed on the rubber pad (3) and is located between the left bracket mechanism (22) and the right bracket mechanism (23); A pressure plate (4) is installed on the top of the lead-acid battery (1); A fixed pull rod (5) is connected between the pressing plate (4) and the bottom plate (21); The fixing rod (5) is used to connect the pressing plate (4), the lead-acid storage battery (1) and the bottom plate (21) so that their positions are fixed to each other.

2. A heavy truck battery box assembly according to claim 1, characterized in that: The left bracket mechanism (22) comprises a left side plate (221), a left connecting bracket (222) and a left fixing body (223); The left side plate (221) is formed with a first mounting portion (2211) and a second mounting portion (2212); The first mounting portion (2211) and the second mounting portion (2212) form an angle of 90°; The first mounting portion (2211) is connected to the left connecting bracket (222) and the left fixing body (223) via bolts; The second mounting portion (2212) is connected to the left connecting bracket (222) and the bottom plate (21); The bottom plate (21) is overlapped on the second mounting portion (2212); The left connecting bracket (222) is covered on the outside of the first mounting portion (2211) and the second mounting portion (2212); The left side plate (221) is provided with a first concave rib portion (2213), a second concave rib portion (2214) and a third concave rib portion (2215); The concave rib part one (2213) is located above the concave rib part two (2214); The concave rib third portion (2215) is located between the concave rib first portion (2213) and the concave rib second portion (2214), and a corner side of the concave rib third portion (2215) is in contact with the side of the left connecting bracket (222) and the left fixing body (223).

3. A heavy truck battery box assembly according to claim 2, characterized in that: include: The left connecting bracket (222) is formed with a third mounting portion (2221) and a fourth mounting portion (2222); The third mounting portion (2221) and the fourth mounting portion (2222) form an angle of 90°; The third mounting portion (2221) is located on the first mounting portion (2211) and is connected and fixed to the left side plate (221) and the left fixing body (223) through bolts; The fourth mounting portion (2222) is connected and fixed to the second mounting portion (2212) and the bottom plate (21).

4. A heavy truck battery box assembly according to claim 3, characterized in that: The left fixing body (223) is formed with a fifth mounting portion (2231) and a sixth mounting portion (2232); The surface of the fifth mounting portion (2231) is concave-convex to cooperate with the vehicle frame to form a fixed installation; The sixth mounting portion (2232) is fitted on one side of the first mounting portion (2211) opposite to the third mounting portion (2221), and is connected and fixed to the left side plate (221) and the left connecting bracket (222) by means of bolts; A boss (2233) and a reinforcing rib (2234) are distributed on the inner side of the sixth mounting portion (2232).

5. The heavy truck battery box assembly according to claim 1, characterized in that: The right bracket mechanism (23) comprises a right fixing body (231) and a right side plate (232); The right fixed body (231) comprises an L-shaped bending part (2311), a semi-enclosed bending part (2312) and a triangular reinforcing rib (2313); The L-shaped bending part (2311) is provided with a plug welding hole (2314); The L-shaped bending piece (2311) and the semi-enclosed bending piece (2312) are overlapped and fixed by welding through the plug welding hole (2314); A seventh mounting portion (2315) is formed on the L-shaped bending piece (2311) and the semi-enclosed bending piece (2312); The seventh mounting portion (2315) is mounted in a fitted manner with the right side plate (232); The semi-enclosed bending part (2312) is provided with a cylindrical boss (2316); The right side plate (232) is mounted on the right fixed body (231) via a cylindrical boss (2316); The triangular reinforcing ribs (2313) are distributed and connected to the L-shaped bending piece (2311) and the semi-enclosed bending piece (2312); The triangular reinforcing rib (2313) is formed with an eighth mounting portion (2317); The eighth mounting portion (2317) is provided with a bolt hole (2318); A bolt is installed in the bolt hole (2318) and extends to the frame to form an eighth installation portion (2317) connected and fixed to the frame.

6. A heavy truck battery box assembly according to claim 5, characterized in that: The seventh mounting portion (2315) is provided with a circular through hole, a triangular through hole and a trapezoidal through hole.

7. The heavy truck battery box assembly according to claim 5, characterized in that: include: Four concave ribs (2321) are distributed on the right side plate (232).

8. The heavy truck battery box assembly according to claim 1, characterized in that: include: The pressing plate (4) is provided with a pressing plate hole (41); The bottom plate (21) is formed with a double-circular concave rib hole (211) and a convex rib hole (212); The bottom plate (21) is connected and fixed to the left bracket mechanism (22) and the right bracket mechanism (23) via a double circular concave rib hole (211); The fixing pull rod (5) passes through the pressure plate hole (41) and the rib hole (212) in sequence to achieve installation and fixation of the lead-acid battery (1).

9. The heavy truck battery box assembly according to claim 2, characterized in that: The left side plate (221) is made of 510L steel; The left connecting bracket (222) and the right fixing body (231) are made of Q355 steel; The left fixing body (223) is made of ZL204 aluminum alloy material.

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