CN220147129U - Battery frame for replacing electricity heavy truck - Google Patents

Abstract

The utility model relates to the technical field of battery frames of heavy-duty batteries, in particular to a battery frame of heavy-duty batteries, which comprises a frame top, a frame bottom and a supporting device, wherein a vertical beam and a middle vertical beam in the supporting device are respectively arranged between the frame bottom and the frame top, a long diagonal brace and a long diagonal brace I are fixedly connected between the middle vertical beam, a lower diagonal brace and a lower diagonal brace are fixedly connected between the vertical beam and the middle vertical beam, and the long diagonal brace, the long diagonal brace I, the lower diagonal brace and the upper diagonal brace form a transverse 8-shaped frame structure; a battery mounting layer and a hoisting layer are arranged in the cuboid frame, and the cuboid frame is divided into five layers; according to the utility model, the main body frame is formed in a fixed connection mode, and the front end face and the rear end face of the battery frame are in a cross 8-shaped design, so that the rigidity and the strength of the whole frame body are effectively improved; meanwhile, the battery frame space of 1-2 layers can be saved based on the high-energy density battery pack and the integrated high-voltage distribution box, and the purpose of light weight design of the whole system is facilitated.

Description

Battery frame for replacing electricity heavy truck

Technical Field

The utility model relates to the technical field of battery frames of power-changing heavy-duty cards, in particular to a battery frame of a power-changing heavy-duty card.

Background

In view of the high efficiency and frequent requirements of the freight industry on energy supplement, the electricity changing heavy truck has shown great technical advantages in the new energy heavy truck industry.

In addition, the battery pack system of changing electricity on the new energy heavy truck changes equipment such as battery pack, change the last framework of electricity, change the auxiliary electrical device of functions such as electric interface, position detection, wherein change the last framework of electricity and mainly provide mounting structure and support for the battery, and the multilayer structure of vertical direction changes the electric frame, still can install not only the battery pack of changing electricity, but also accessory mounting layer, the foundation layer that is used for connector installation and framework locking of parts such as high-voltage distribution box, water cooling unit, and the battery mounting layer that is used for installing the battery pack. The upper frame body of the power exchange is taken as a movable whole, and only the whole power exchange frame is needed to be lifted when the power exchange is performed, and then the power exchange frame provided with the full-power battery pack is arranged on the power exchange base.

However, in general, two layers of frames cannot be directly used for installing batteries (an accessory installation layer for installing components such as a high-voltage distribution box and a water cooling unit, and a base layer for installing connectors and locking a frame body), and only four or five layers of spatial positions are storage positions of the batteries.

Disclosure of Invention

The utility model aims to provide a battery frame for a battery replacement heavy truck, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the battery frame comprises a cuboid frame, wherein the cuboid frame comprises a frame top, a frame bottom and a supporting device;

the frame top includes:

the top cross beams are arranged in four and are uniformly distributed in pairs and are parallel to each other;

the top longitudinal beams are arranged, one side of each top longitudinal beam is fixedly connected with one end of a top cross beam, and the top longitudinal beams and the top cross beams form the top of the frame;

the frame bottom includes:

the short cross beams are arranged in four and are uniformly distributed in pairs and are parallel to each other and used for the main structure of the whole frame;

the long longitudinal beams are arranged, one side of each long longitudinal beam is fixedly connected with one end of the short cross beam, the long longitudinal beams and the short cross beams form the bottom of the frame and are used for supporting the whole cuboid frame and serve as contact surfaces and stress surfaces matched with the base;

the support device includes: the vertical beam, the middle vertical beam, the long diagonal bracing I, the lower diagonal bracing and the upper diagonal bracing are respectively arranged between the bottom of the frame and the top of the frame and used for supporting the bottom of the frame and the top of the frame, the long diagonal bracing I and the long diagonal bracing I are fixedly connected between the middle vertical beam, the vertical beam and the middle vertical beam are fixedly connected with the lower diagonal bracing and the upper diagonal bracing, and the long diagonal bracing, the long diagonal bracing I, the lower diagonal bracing and the upper diagonal bracing form a transverse 8-shaped frame structure and play a supporting and fixing role on the whole frame, so that the rigidity and the strength of the whole frame structure are effectively increased;

the battery mounting layer and the hoisting layer are further arranged inside the cuboid frame, the cuboid frame is divided into five layers by the battery mounting layer and the hoisting layer, the overall height and the weight of the cuboid frame are improved, and the weight of the whole car is improved.

Preferably, the battery mounting layers are three, and each battery mounting layer includes:

the four short cross beams are parallel to each other, the four short cross beams are fixedly connected with the first long longitudinal beams, the number of the first long longitudinal beams is two, and the distance between the two ends of the four short cross beams is far longer than the length of the first long longitudinal beams;

the number of the short cross beams is two, the two ends of the short cross beams are fixedly connected with the first long longitudinal beam respectively, and the opposite surfaces of the fixedly connected parts of the short cross beams and the first long longitudinal beam are fixedly connected with connecting blocks;

the short cross beam IV is fixedly connected with the vertical beam, the connecting block is fixedly connected with the middle vertical beam, and the lower parts of the connecting points are fixedly connected by adopting gussets for concentrating and dispersing the stress;

the upper part of the connecting block is fixedly connected with a guiding device for guiding and limiting the battery.

Preferably, the guide device includes:

the number of the guide plates is three, and the guide plates are fixedly connected with the inclined side surfaces of the trapezoid rubber blocks;

and the surface of the guide plate, which is close to the inside of the cuboid frame, is obliquely provided with a hairbrush.

Preferably, the hoisting layer comprises:

the hoisting plate is arranged above the fixed connection parts of the top cross beam, the top longitudinal beam and the vertical beam, and is provided with a through hole, so that the hoisting plate is conveniently in butt joint with a hoisting device of the power exchange station;

the corner brace is positioned below the hanging plate, is fixedly connected with the top cross beam and the vertical beam of the top longitudinal beam respectively and is used for strengthening support and dispersing stress concentration;

the first top cross beams are positioned below the first top cross beams, the first top cross beams are four, two ends of the first top cross beams are fixedly connected with the vertical beams respectively, two ends of the first top cross beams are fixedly connected with the middle vertical beams respectively, and gussets are arranged below the connecting points and used for strengthening support;

the first short cross beam is fixedly connected between the vertical beam and the middle vertical beam;

the second short cross beam is fixedly connected between the middle vertical beams;

and the third short cross beam is fixedly connected between the vertical beam and the middle vertical beam.

Preferably, the long diagonal bracing and the long diagonal bracing are fixedly connected with a round reinforcing plate at an X-shaped intersection point;

the trapezoid reinforcing plates are four in number and fixedly connected to the outer sides of intersection points of the lower diagonal braces, the middle vertical beams, the long diagonal braces and the long longitudinal beams; the two trapezoid reinforcing plates are fixedly connected to the outer sides of intersection points of the lower diagonal braces, the middle vertical beam, the long diagonal brace I and the long longitudinal beam;

the centers of the round reinforcing plate and the trapezoid reinforcing plate are provided with holes, and the positions of the holes are used for plug welding and improving the strength and rigidity of the whole frame;

and two sides of the middle vertical beam and the top longitudinal beam are fixedly connected by adopting angle braces.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the main body frame is formed in a fixed connection mode, and the front end face and the rear end face of the battery frame are in a cross 8-shaped design, so that the rigidity and the strength of the whole frame body are effectively improved; meanwhile, the battery frame space of 1-2 layers can be saved based on the high-energy density battery pack and the integrated high-voltage distribution box, and the lightweight design of the whole system is facilitated; in addition, the battery pack adopts a side push-in installation mode, so that the maintenance and the replacement of the follow-up single-pack battery pack are facilitated, and the battery pack is contacted with the guide device when the battery pack is pushed in, so that dust on the surface can be cleaned out and the stability of the battery pack is improved besides the directional movement of the battery pack.

Drawings

FIG. 1 is a schematic perspective view of a battery frame of the present utility model;

FIG. 2 is a front view of a battery frame of the present utility model;

fig. 3 is a schematic perspective view of a battery mounting layer;

fig. 4 is a schematic view of a battery mounting layer connection structure;

FIG. 5 is a schematic view of a guide;

in the figure: top beam 1, top longitudinal beam 2, short beam 3, long longitudinal beam 4, vertical beam 5, middle vertical beam 6, long diagonal brace 7, long diagonal brace one 8, lower diagonal brace 9, upper diagonal brace 11, lifting plate 12, gusset 13, top beam one 14, short beam one 15, short beam two 16, short beam three 17, short beam four 18, long longitudinal beam one 19, short beam five 21, connecting block 22, circular reinforcing plate 23, trapezoidal reinforcing plate 24, guide plate 25, trapezoidal rubber block 26, brush 27.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a battery frame for a battery replacement heavy truck, which adopts a six-layer or more frame structure at present, but generally has two layers of mounting layers which cannot be directly used for mounting batteries (an accessory mounting layer for mounting components such as a high-voltage distribution box and a water cooling unit, and a base layer for mounting connectors and locking a frame body), and only four or five layers of space positions are the storage positions of the batteries, under the six-layer or more frame space, the storage number of the batteries is not correspondingly increased, the utilization rate of the batteries under the space is reduced, and the gravity center of the battery frame is higher due to the larger size and weight of the whole frame, which is not beneficial to the fixation of the battery frame and the stability of the vehicle during running, and meanwhile, the improvement of the whole vehicle preparation quality is caused.

The technical scheme in the embodiment of the utility model aims to solve the technical problems, and the overall thought is as follows: according to the utility model, five layers of main frames are formed through the top of the frame, the bottom of the frame, the supporting device, the hoisting layer and the battery rotating layer in a fixed connection mode, and the front end face and the rear end face of the main frames are designed in a horizontal 8 shape, so that the rigidity and the strength of the whole frame are effectively increased.

In order to better understand the technical solution of the present utility model, referring to fig. 1 to 5, an embodiment of the present utility model provides a battery frame for a battery replacement heavy card, including: the rectangular frame comprises a frame top, a frame bottom and a supporting device;

the frame top includes:

the top cross beams 1 are arranged in four, are uniformly distributed and are parallel to each other;

the top longitudinal beams 2 are arranged, one side of each top longitudinal beam 2 is fixedly connected with one end of the top cross beam 1, and the top longitudinal beams 2 and the top cross beams 1 form the top of the frame;

the frame bottom includes:

the short cross beams 3 are arranged in four, are uniformly distributed and are parallel to each other, and are used for the main structure of the whole frame;

the long longitudinal beams 4 are arranged, one side of each long longitudinal beam 4 is fixedly connected with one end of the short cross beam 3, the long longitudinal beams 4 and the short cross beam 3 form a frame bottom, and the long longitudinal beams 4 and the short cross beam 3 are used for supporting the whole cuboid frame and serve as contact surfaces and stress surfaces matched with the base;

the support device includes: the vertical beam 5, the middle vertical beam 6, the long diagonal bracing 7, the long diagonal bracing I8, the lower diagonal bracing 9 and the upper diagonal bracing 11 are respectively arranged between the bottom of the frame and the top of the frame and used for supporting the bottom of the frame and the top of the frame, the long diagonal bracing 7 and the long diagonal bracing I8 are fixedly connected between the middle vertical beam 6, the lower diagonal bracing 9 and the upper diagonal bracing 11 are fixedly connected with the vertical beam 5 and the middle vertical beam 6, the long diagonal bracing 7, the long diagonal bracing I8, the lower diagonal bracing 9 and the upper diagonal bracing 11 form a transverse 8-shaped frame structure, and the supporting and the fixing effects on the whole frame are achieved, so that the rigidity and the strength of the whole frame structure are effectively increased;

the battery mounting layer and the hoisting layer are further arranged in the cuboid frame, and divide the cuboid frame into five layers, so that the overall height and weight of the cuboid frame are improved, and the weight of the whole car is improved;

through the arrangement of the top cross beam 1, the top longitudinal beam 2, the short cross beam 3, the long longitudinal beam 4, the vertical beam 5 and the middle vertical beam 6, the whole cuboid frame is symmetrically distributed front and back and left and right, meanwhile, a battery installation layer and a hoisting layer in the cuboid frame are divided into five layers, and the first layer from bottom to top is the installation of a high-voltage distribution box and a power exchange connector in an integrated manner, the installation of a cooling pipeline and a matching and locking device for the high-voltage distribution box and the power exchange base; the second layer to the fourth layer are battery pack mounting layers, the battery packs are pushed in from the side surfaces for mounting, and the guide devices are arranged, so that the battery packs can be guided into normal tracks when the bottoms of the battery packs pushed in from the side surfaces are contacted with the guide devices under the assistance of the guide devices, and the assembly efficiency is effectively improved; the battery pack based on high performance density can meet the electric quantity requirement of the heavy truck for power replacement by adopting the design of three layers of battery packs, so that the space utilization rate of the frame is improved; the fifth layer is an interface structure layer of a hoisting mechanism of the power exchange station and is mainly used for hoisting;

at the moment, the height of the battery frame is reduced from more than six layers to five layers, the size and the weight of the whole frame are reduced, and then the gravity center of the whole frame is reduced, so that the moment is reduced, the fixation of the battery frame and the stability of the vehicle during running are facilitated, meanwhile, the whole vehicle preparation quality is reduced, and the light weight of the whole vehicle is improved;

in addition, the front end face and the rear end face of the whole frame are supported by adopting a transverse 8-shaped design, so that the rigidity and the strength between the whole frames are effectively increased, and the stability effect of the frames is further improved in the running process of the vehicle; in addition, the support of "8" style of calligraphy design in the in-process that the vehicle was driven still can play and block the effect to the battery package, meet traffic lights or some emergency when running to cause the vehicle, need step on the brake and carry out the deceleration, this moment the frame has saved 1-2 layers of battery frame space based on high energy density battery package and integrated high voltage distribution box, compared with the frame whole more than six layers in the prior art, its holistic focus of frame obtains reducing for the moment of force diminishes, reduce the frame whole and will be one side inclination, on the one hand reduce bottom locking device's traction force, guarantee that locking device receives the damage reduces, on the other hand "8" style of calligraphy design support then blocks the battery package in the tilting frame, avoid leading to the battery package to dash out the battery mounting layer because of impact force.

As one embodiment of the present utility model, there are three battery mounting layers, each of which includes:

the four short cross beams 18 are arranged in parallel, the four short cross beams 18 are fixedly connected with a first long longitudinal beam 19, the number of the first long longitudinal beam 19 is two, and the distance between the two ends of the four short cross beams 18 is far longer than the length of the first long longitudinal beam 19;

the number of the short cross beams five 21 is two, two ends of the short cross beams five 21 are fixedly connected with the first long longitudinal beam 19 respectively, and the opposite surfaces of the fixedly connected parts of the short cross beams five 21 and the first long longitudinal beam 19 are fixedly connected with connecting blocks 22;

the short cross beams IV 18 are fixedly connected with the vertical beams 5, the connecting blocks 22 are fixedly connected with the middle vertical beam 6, and the lower parts of the connecting points are fixedly connected by adopting the angle braces 13 for concentrating and dispersing stress;

the upper part of the connecting block 22 is fixedly connected with a guiding device for guiding and limiting the battery;

the guide device includes:

the number of the guide plates 25 is three, and the guide plates 25 are fixedly connected with the inclined side surfaces of the trapezoid rubber blocks 26;

the surface of the guide plate 25, which is close to the inside of the cuboid frame, is obliquely provided with a hairbrush 27;

through the technical scheme, the battery installation layer and the hoisting layer divide the interior of the cuboid frame into five layers, the battery pack is placed on 2-4 layers from bottom to top, and the upper layer and the lower layer can play a role in protecting the battery installation layer, so that impact force of an object in the vertical direction on the frame in the running process of a vehicle is avoided, the damage condition of the battery pack is reduced, and the safety of the battery pack is further improved;

when the battery pack is installed, the battery pack is manually pushed in from the side face of the frame, the distance between the two ends of the short cross beam IV 18 is larger than the length of the interval between the long longitudinal beams I19, the two sides of the bottom of the battery pack slide along the long longitudinal beams I19, the long longitudinal beams I19 are of an integral structure design, the fixed installation of the battery pack is favorable for guaranteeing the flatness of an installation plane of the battery pack, but the side distances between the long longitudinal beams I19 and the vertical beams 5 and between the long longitudinal beams 6 exist, the bottom of the battery pack cannot be guaranteed to be always located on the long longitudinal beams I by manual pushing, the battery pack can shift, as the battery pack continuously goes deep into a battery installation layer, when the bottom of the battery pack contacts with the inclined plane of the guide plate 25, the guide plate 25 shifts, the trapezoid rubber block 26 deforms, the impact force of the battery pack is buffered, the hard contact between the guide plate 25 and the battery pack is prevented, the outer surface of the battery pack is recessed due to the fact that the brush 27 on the guide plate moves along the inclined plane of the guide plate 25, and dust on the surface of the battery pack can be cleaned;

in addition, after the battery pack is mounted, the brush 27 on the middle guide plate 25 can buffer the impact force between the battery pack and the guide plate 25 in emergency braking of the vehicle, so that the guide plate 25 is prevented from being in hard contact with the battery pack, the guide plate 25 and the 8-shaped frame are mutually matched, the battery pack in the battery safety rotating layer is jointly protected, meanwhile, the brush 27 and the surface of the battery pack increase friction force, and the movement of the battery pack in the battery mounting layer is slowed down;

and the installation mode that the side face is pushed into the battery pack is adopted, so that the maintenance and the replacement of the follow-up single-pack battery pack are facilitated.

As a specific embodiment of the present utility model, the hoisting layer includes:

the hoisting plate 12 is arranged above the fixed connection parts of the top cross beam 1, the top longitudinal beam 2 and the vertical beam 5, and the hoisting plate 12 is provided with a through hole, so that the hoisting plate is convenient to be in butt joint with a hoisting device of the power exchange station;

the angle brace 13 is positioned below the hanging plate 12, and is fixedly connected with the top cross beam 1 and the vertical beam 5 of the top longitudinal beam 2 respectively, and is used for strengthening support and dispersing stress concentration;

the first top cross beams 14 are positioned below the first top cross beam 1, the number of the first top cross beams 14 is four, two ends of the first top cross beam 14 are fixedly connected with the vertical beams 5 respectively, two ends of the first top cross beam 14 are fixedly connected with the middle vertical beams 6 respectively, and a gusset 13 is arranged below each connecting point and used for strengthening support;

the first short cross beam 15 is fixedly connected between the vertical beam 5 and the middle vertical beam 6;

the second short cross beam 16 is fixedly connected between the middle vertical beams 6;

a third short cross beam 17, wherein the third short cross beam 17 is fixedly connected between the vertical beam 5 and the middle vertical beam 6;

through the technical scheme, when a vehicle is powered on, the bottom end of the lifting device is inserted into a through hole of the lifting plate 12 on the vehicle and extends into a lifting layer reserved by the first top beam 14, the first short beam 15, the second short beam 16 and the third short beam 17, the bottom end of the lifting device penetrating through the through hole of the lifting plate 12 is fixed, the bottom end of the lifting device slides out of the through hole to damage a cuboid frame during lifting, when the cuboid frame is dismounted from the vehicle, the installation of a high-voltage distribution box and a power-exchanging connector in the first layer, the installation of a cooling pipeline and the disassembly of a matching and locking device used for the power-exchanging collet are needed, the integral limitation of a battery frame is eliminated, then the lifted cuboid frame is placed at a position to be put, the lifting device is dismounted and installed on the cuboid frame to be powered on the vehicle, and then the lifting device is placed on the vehicle to be installed, so that the power-exchanging is completed; in addition, the addition of the gusset 13 increases the strength of each connection point, thereby dispersing stress while strengthening and supporting the mounting structure of each layer.

As a specific embodiment of the utility model, the long diagonal brace 7 and the long diagonal brace 8 are fixedly connected with the circular reinforcing plate 23 at an X-shaped intersection point;

the number of the trapezoid reinforcing plates 24 is four, and two trapezoid reinforcing plates 24 are fixedly connected to the outer sides of the intersection points of the lower diagonal braces 9, the middle vertical beams 6, the long diagonal braces 7 and the long longitudinal beams 4; the two trapezoid reinforcing plates 24 are fixedly connected to the outer sides of the intersection points of the lower diagonal braces 9, the middle vertical beam 6, the long diagonal brace I8 and the long longitudinal beam 4;

the centers of the round reinforcing plate 23 and the trapezoid reinforcing plate 24 are provided with holes, and the positions of the holes are used for plug welding and improving the strength and rigidity of the whole frame;

the two sides of the middle vertical beam 6 and the top longitudinal beam 2 are fixedly connected by adopting a gusset 13;

through above-mentioned technical scheme, set up trapezoidal reinforcing plate 24 and long bracing 7 in the middle of the frame bottom in 6 departments, long bracing one 8 intersect department sets up circular reinforcing plate 23, and set up the hole in trapezoidal reinforcing plate 24 and circular reinforcing plate 23 center department to carry out the plug welding to the hole position, effectively increase the welding area of reinforcing plate and other structures, improve the stability of tie point, further improve cuboid frame body structure's fixed and robustness.

Working principle: through the arrangement of the top cross beam 1, the top longitudinal beam 2, the short cross beam 3, the long longitudinal beam 4, the vertical beam 5 and the middle vertical beam 6, the whole cuboid frame is symmetrically distributed front and back and left and right, meanwhile, a battery installation layer and a hoisting layer in the cuboid frame are divided into five layers, and the first layer from bottom to top is the installation of a high-voltage distribution box and a power exchange connector in an integrated manner, the installation of a cooling pipeline and a matching and locking device for the high-voltage distribution box and the power exchange base; the second layer to the fourth layer are battery pack mounting layers, and the battery packs are pushed in from the side surfaces for mounting; the fifth layer is an interface structure layer of a hoisting mechanism of the power exchange station and is mainly used for hoisting;

the battery pack is arranged on 2-4 layers, and the upper layer and the lower layer can protect the battery mounting layer, so that impact force of an object in the vertical direction on a frame in the running process of a vehicle is avoided, the damage condition of the battery pack is reduced, and the safety of the battery pack is further improved;

when the battery pack is installed, the battery pack is manually pushed in from the side face of the frame, the distance between the two ends of the short cross beam IV 18 is larger than the length of the interval between the long longitudinal beams I19, the two sides of the bottom of the battery pack slide along the long longitudinal beams I19, the long longitudinal beams I19 are of an integral structure design, the fixed installation of the battery pack is favorable for guaranteeing the flatness of an installation plane of the battery pack, but the side distances between the long longitudinal beams I19 and the vertical beams 5 and between the long longitudinal beams 6 exist, the bottom of the battery pack cannot be guaranteed to be always located on the long longitudinal beams I19 by manual pushing, the battery pack can deviate, when the bottom of the battery pack continuously penetrates into a battery installation layer, the guide plate 25 deviates when the bottom of the battery pack contacts with the inclined plane of the guide plate 25, the trapezoidal rubber block 26 deforms, impact force of the battery pack is buffered, the hard contact between the guide plate 25 and the battery pack is avoided, the outer surface of the battery pack is sunken, and the brush 27 on the guide plate 25 can clean dust on the surface of the battery pack when the battery pack moves along the inclined plane of the guide plate 25.

In addition, after the battery pack is mounted, the brush 27 on the middle guide plate 25 can buffer the impact force between the battery pack and the guide plate 25 in emergency braking of the vehicle, so that the guide plate 25 is prevented from being in hard contact with the battery pack, the guide plate 25 and the 8-shaped frame are mutually matched, the battery pack in the battery safety rotating layer is jointly protected, meanwhile, the brush 27 and the surface of the battery pack increase friction force, and the movement of the battery pack in the battery mounting layer is slowed down; the installation mode that the side face is pushed into the battery pack is adopted, so that the maintenance and replacement of the follow-up single-pack battery pack are facilitated;

when the vehicle is powered up, the bottom end of the lifting device is inserted into a through hole of the lifting plate 12 on the vehicle and extends into a lifting layer reserved by the first top beam 14, the first short beam 15, the second short beam 16 and the third short beam 17, the bottom end of the lifting device penetrating through the through hole of the lifting plate 12 is fixed, the bottom end of the lifting device slides out of the through hole to damage a cuboid frame during lifting, when the cuboid frame is detached from the vehicle, the installation of integrating a high-voltage distribution box and a power-conversion connector in the first layer, the installation of a cooling pipeline and the disassembly of a matching and locking device used for being matched with the power-conversion collet are needed, the integral limitation of the battery frame is relieved, then the lifted cuboid frame is placed at a position to be placed, the lifting device is detached and installed on the cuboid frame to be replaced, and then the lifting device is lifted on the vehicle to be installed, so that the power conversion is completed; in addition, the addition of the gusset 13 increases the strength of each connection point, thereby dispersing stress while strengthening and supporting the mounting structure of each layer.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1. The utility model provides a trade electric heavy truck battery frame, includes cuboid frame, its characterized in that: the cuboid frame comprises a frame top, a frame bottom and a supporting device;

the frame top includes:

the top cross beams (1) are arranged in four uniformly and mutually parallel;

the top longitudinal beams (2) are arranged, one side of each top longitudinal beam (2) is fixedly connected with one end of the top cross beam (1), and the top longitudinal beams (2) and the top cross beams (1) form the top of the frame;

the frame bottom includes:

the short cross beams (3) are arranged in four, are uniformly distributed and are parallel to each other, and are used for the main structure of the whole frame;

the long longitudinal beams (4) are arranged, one side of each long longitudinal beam (4) is fixedly connected with one end of the short cross beam (3), and the long longitudinal beams (4) and the short cross beam (3) form a frame bottom for supporting the whole cuboid frame and are used as contact surfaces and stress surfaces matched with the base;

the support device includes: the vertical beam (5), the middle vertical beam (6), the long diagonal bracing (7), the long diagonal bracing I (8), the lower diagonal bracing (9) and the upper diagonal bracing (11), wherein the vertical beam (5) and the middle vertical beam (6) are respectively arranged between the bottom of the frame and the top of the frame and used for supporting the bottom of the frame and the top of the frame, the long diagonal bracing (7) and the long diagonal bracing I (8) are fixedly connected between the middle vertical beam (6) in an X-shaped manner, and the lower diagonal bracing (9) and the upper diagonal bracing (11) are fixedly connected with the vertical beam (5) and the middle vertical beam (6);

the long diagonal brace (7), the long diagonal brace I (8), the lower diagonal brace (9) and the upper diagonal brace (11) form a transverse 8-shaped frame structure;

the cuboid frame is internally provided with a battery installation layer and a hoisting layer, and the battery installation layer and the hoisting layer divide the cuboid frame into five layers.

2. The battery pack of claim 1, wherein: the battery mounting layer has three, and every battery mounting layer includes:

the four short cross beams (18) are arranged in parallel, the four short cross beams (18) are fixedly connected with one long longitudinal beam (19), the number of the one long longitudinal beam (19) is two, and the distance between the two ends of the four short cross beams (18) is far longer than the distance between the one long longitudinal beam (19);

the number of the short cross beams (21) is two, two ends of the short cross beams (21) are fixedly connected with the long longitudinal beam (19) respectively, and the opposite surfaces of the fixedly connected parts of the short cross beams (21) and the long longitudinal beam (19) are fixedly connected with connecting blocks (22);

the short cross beam IV (18) is fixedly connected with the vertical beam (5), the connecting block (22) is fixedly connected with the middle vertical beam (6), and the lower parts of the connecting points are fixedly connected by adopting the angle braces (13) for concentrating and dispersing the stress;

and a guide device is fixedly connected above the joint of the fifth short cross beam (21) and the first long longitudinal beam (19) and is used for guiding and limiting the battery.

3. The battery pack of claim 2, wherein: the guide device includes:

the guide plates (25) are three in number, and the guide plates (25) are fixedly connected with the inclined side surfaces of the trapezoid rubber blocks (26);

and the surface of the guide plate (25) close to the inside of the cuboid frame is obliquely provided with a hairbrush (27).

4. The battery pack of claim 1, wherein: the hoisting layer comprises:

the hoisting plate (12) is arranged above the fixed connection positions of the top cross beam (1), the top longitudinal beam (2) and the vertical beam (5), and the hoisting plate (12) is provided with a through hole;

the angle brace (13), the said angle brace (13) locates below the hanging plate (12), fixedly connect with roof beam (1), roof girder (2) vertical beam (5) separately;

the first top cross beams (14) are positioned below the first top cross beams (1), the number of the first top cross beams (14) is four, two ends of the first top cross beams (14) are fixedly connected with the vertical beams (5) respectively, two ends of the first top cross beams (14) are fixedly connected with the middle vertical beams (6) respectively, and gussets (13) are arranged below the connecting points;

the first short transverse beam (15) is fixedly connected between the vertical beam (5) and the middle vertical beam (6);

the second short cross beam (16) is fixedly connected between the middle vertical beams (6);

and the short cross beam III (17), wherein the short cross beam III (17) is fixedly connected between the vertical beam (5) and the middle vertical beam (6).

5. The battery pack of claim 1, wherein: the long diagonal brace (7) and the long diagonal brace I (8) are fixedly connected with a round reinforcing plate (23) at an X-shaped intersection point;

the trapezoid reinforcing plates (24), the number of the trapezoid reinforcing plates (24) is four, and two trapezoid reinforcing plates (24) are fixedly connected to the outer sides of the intersection points of the lower diagonal braces (9), the middle vertical beams (6), the long diagonal braces (7) and the long longitudinal beams (4); the two trapezoid reinforcing plates (24) are fixedly connected to the outer sides of the intersection points of the lower diagonal braces (9), the middle vertical beams (6), the long diagonal braces (8) and the long longitudinal beams (4);

the centers of the round reinforcing plate (23) and the trapezoid reinforcing plate (24) are provided with holes, and the positions of the holes are used for plug welding and improving the strength and rigidity of the whole frame;

the two sides of the middle vertical beam (6) and the two sides of the top longitudinal beam (2) are fixedly connected by adopting angle braces (13).