CN211441936U - Power battery installing support and electric motor car - Google Patents

Abstract

The utility model provides a power battery installing support and electric motor car. Wherein, power battery installing support for electric vehicle who has the frame includes at least one frame subassembly, and the frame subassembly includes: the frame main body is provided with at least two layers of frame structures, and the frame structures positioned at the bottom layer of the frame main body can bear the power batteries; and the support rods are detachably connected to the frame structure of each layer except the bottom layer in the frame main body and are used for bearing the power battery, and the frame assembly can be connected with the vehicle frame. Through the technical scheme of the utility model, power battery installing support simple structure, the convenient assembly operation, and need not to change the structure of frame main part in the assembling process, can effectively improve the intensity and the stability of power battery installing support, increased the power battery's that can bear volume and weight simultaneously, be favorable to improving electric vehicle's continuation of the journey mileage.

Description

Power battery installing support and electric motor car

Technical Field

The utility model relates to a battery erection equipment technical field particularly, relates to a power battery installing support and an electric motor car.

Background

Currently, in the field of electric vehicles, due to the fact that the overall size and weight of a power battery of a commercial electric vehicle are large, a special mounting structure needs to be connected to a frame of the commercial electric vehicle, but the power battery is limited by vehicle space and the mounting structure, the number of the power batteries capable of being accommodated is limited, and the increase of the endurance mileage of the electric vehicle is limited. The utility model provides a bilayer structure power battery box support among the prior art, multiplicable power battery's quantity, but the upper and lower two-layer bracket of power battery box support in this scheme only connects through two curb plates, joint strength is limited, be unfavorable for bearing the great power battery of weight, and need wholly demolish upper bracket in the power battery installation, influence the intensity and the overall stability of power battery box support, also can adopt multiple auxiliary assembly to install by the side of battery box support, but the operation is inconvenient, be unfavorable for assembly line installation operation.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to at least one of the problems of the prior art or the related art.

Therefore, the utility model discloses an aim at provides a power battery installing support.

Another object of the present invention is to provide an electric vehicle.

In order to achieve the above object, the technical solution of the first aspect of the present invention provides a power battery mounting bracket, including at least one frame component, the frame component includes: the frame main body is provided with at least two layers of frame structures, and the frame structures positioned at the bottom layer of the frame main body can bear the power batteries; and the support rods are detachably connected to the frame structure of each layer except the bottom layer in the frame main body and are used for bearing the power battery, and the frame assembly can be connected with the vehicle frame.

According to the utility model discloses an aspect technical scheme, power battery installing support is used for having the electric vehicle of frame, including at least one frame subassembly, wherein, the frame subassembly includes frame main part and a plurality of bracing piece. The frame main body is provided with at least two layers of frame structures, and the frame structures are correspondingly arranged along the vertical direction so as to fully utilize the three-dimensional space and increase the number of the batteries capable of being accommodated; the frame assembly is connectable with a frame of an electric vehicle to facilitate mounting on the vehicle. Specifically, the frame structure at the bottom layer of the frame main body is provided with a structure capable of bearing a power battery; on the frame construction of every layer except bottom in the frame main part, detachably is connected with a plurality of bracing pieces to bear power battery through a plurality of bracing pieces, thereby make frame assembly form the spatial structure that can bear a plurality of power battery. Wherein, can dismantle with frame construction through setting up the bracing piece and be connected to in battery installation or change process, only need dismantle every layer of structural bracing piece of frame, can carry out the hoist and mount operation by the top of frame main part, required auxiliary assembly is less, and the operation flow is simple convenient, is favorable to assembly line production. Meanwhile, the shape structure of the frame main body is not required to be changed in the process of disassembling the supporting rod, the frame main body can be connected in a fixed connection mode such as welding, the connection strength and the stability of the frame main body are improved, the bearing capacity of the power battery mounting bracket is enhanced, and especially when the power battery mounting bracket is used for heavy commercial electric vehicles such as dump trucks and engineering vehicles, a power battery with large bearing capacity and heavy weight can be supported, so that the electric storage capacity of the power battery is increased, and the endurance mileage of the commercial electric vehicles is improved.

It can be understood that for heavy commercial electric vehicles, the volume and weight of the power battery are generally large, the requirements on the strength and stability of the mounting structure are high, and the strength and stability of the mounting structure directly affect the size of the power battery which can be carried.

In general, the strength and stability of the detachable connection are relatively lower than those of the fixed connection manner such as welding, and if the detachable connection manner is used too much, the strength and stability of the frame main body are easily reduced, which is not favorable for bearing a power battery with a large weight.

Additionally, the utility model provides a power battery installing support among the above-mentioned technical scheme can also have following additional technical characteristics:

in the above technical solution, the frame body specifically includes: the first frame structure is arranged at the bottom layer of the frame main body; the second frame structure is correspondingly arranged above the first frame structure; the stand columns are arranged between the first frame structure and the second frame structure, two ends of each stand column are fixedly connected with the first frame structure and the second frame structure respectively, and the support rods are detachably connected to the second frame structure.

In the technical scheme, the frame main body specifically comprises a first frame structure, a second frame structure and a plurality of stand columns. The bottom of frame main part is located to first frame construction, and the top of first frame construction is located to second frame construction correspondence to make first frame construction and second frame construction form the connection through a plurality of stands, make the frame main part form bilayer structure, wherein, a plurality of bracing pieces can dismantle the end and connect on second frame construction, with make full use of cubical space, increase the space that bears power battery. Specifically, the two ends of the upright are respectively and fixedly connected with the first frame structure and the second frame structure, optionally, the upright is arranged at the top point of the first frame structure and the top point of the second frame structure, and further, a plurality of uprights can be arranged along the frames of the first frame structure and the second frame structure, so that the connection strength of the frame main body is improved.

In the above technical solution, the first frame structure and the second frame structure are rectangular frame structures; the first frame structure comprises two bottom longitudinal beams and a plurality of bottom cross beams, two ends of each bottom cross beam are respectively and fixedly connected with the two bottom longitudinal beams, and the bottom cross beams are arranged at intervals along the extension direction of the bottom longitudinal beams; the second frame construction includes longeron and two entablature on two, goes up the longeron and corresponds the setting with end longeron, and it is equipped with a plurality of nut pieces to correspond on two last longerons, and the both ends of bracing piece can be dismantled with last longeron through the nut piece respectively and be connected, and a plurality of bracing pieces set up along the extending direction interval of last longeron, wherein, are equipped with the battery mounting hole on end longeron and the bracing piece respectively.

In this technical scheme, be the rectangle frame construction through setting up first frame construction and second frame construction to in connection, optionally, first frame construction is the same with the size of a dimension of second frame construction, so that the frame main part forms the cuboid structure, is convenient for on the one hand with power battery's appearance looks adaptation, on the other hand is convenient for be connected with electric vehicle's frame. The first frame structure comprises two bottom longitudinal beams and a plurality of bottom cross beams, the two ends of each bottom cross beam are fixedly connected with the two bottom longitudinal beams respectively, and the bottom cross beams are arranged at intervals along the extending direction of the bottom longitudinal beams, so that the first frame structure is stressed uniformly, and the bearing capacity of the first frame structure is enhanced. And a battery mounting hole is formed in the bottom longitudinal beam so as to facilitate the fixed mounting of the power battery. Alternatively, the bottom cross beams are arranged at equal intervals along the extending direction of the bottom longitudinal beams, and the number of the bottom cross beams can be 3 to 10. Furthermore, the cross section of the bottom longitudinal beam is of a groove-shaped structure with an opening at the bottom, the bottom cross beam is fixedly connected with the side edge of the bottom longitudinal beam facing the inner side, and the battery mounting hole in the bottom longitudinal beam is a kidney-shaped hole.

The second frame structure comprises two upper longitudinal beams and two upper cross beams, the upper longitudinal beams are arranged corresponding to the bottom longitudinal beams, and the upper longitudinal beams are fixedly connected with the upper cross beams to form a rectangular frame structure. Optionally, the cross section of the upper cross beam is of an L-shaped structure, and a pipeline through hole is formed in the top edge of the upper cross beam so as to fix an auxiliary pipeline of the power battery. Through correspond on two last longerons and be equipped with a plurality of nut pieces for the joint support pole, specifically, the both ends of bracing piece are located two nut pieces that go up on the longeron respectively and correspond the setting, and realize through bolt and nut piece that the dismantlement between bracing piece and the second frame construction is connected, and the extending direction interval of last longeron is followed to a plurality of bracing pieces sets up, so that the atress of second frame construction is more even, optionally, a plurality of bracing pieces are equidistant to be set up, and the quantity of bracing piece can be for 1 to 10. Further, a plurality of bracing pieces and entablature parallel arrangement. A plurality of battery mounting holes are formed in the supporting rod at intervals along the length direction, so that the power battery can be fixedly mounted when the power battery is hoisted to the power battery mounting bracket.

In the above technical solution, the frame assembly further includes: a plurality of coupling assembling connect in frame main part along the extending direction of entablature same one side, and a plurality of coupling assembling set up along the extending direction interval of last longeron, wherein, the last connecting hole that is equipped with of coupling assembling for be connected with the frame.

In this technical scheme, through being equipped with a plurality of coupling assembling for be connected with electric vehicle's frame. Specifically, a plurality of coupling assembling are equipped with the same side of frame main part along the extending direction of entablature to with frame main part fixed connection, when power battery installing support and electric vehicle's frame attach, frame main part is connected with one side of coupling assembling and is faced the frame. Simultaneously, the frame main part is connected with the frame through coupling assembling, can set up corresponding connection hole site on coupling assembling according to the concrete size of frame, need not to punch in the frame main part to influence the intensity of frame main part. The plurality of connecting assemblies are arranged at intervals along the extending direction of the upper longitudinal beam, so that the force is favorably shared. Optionally, the connecting assemblies are equally spaced along the extending direction of the upper longitudinal beam, and the stress is more uniform.

Further, coupling assembling's quantity is three, is first coupling assembling, second coupling assembling and third coupling assembling respectively, and frame main part is located respectively to first coupling assembling and second coupling assembling along the extending direction's of last longeron both ends, and wherein, first coupling assembling, second coupling assembling and third coupling assembling highly all are greater than the height of frame main part.

In this technical scheme, the quantity through setting up coupling assembling is three, is first coupling assembling, second coupling assembling and third coupling assembling respectively to be connected with electric vehicle's frame simultaneously through three coupling assembling, improve the joint strength of power battery installing support. Wherein, frame main part is located respectively along the extending direction's of last longeron both ends to first coupling assembling and second coupling assembling to do benefit to the balance that keeps power battery installing support, stability when reinforcing bears power battery. The height of the first connecting assembly, the second connecting assembly and the third connecting assembly is larger than that of the frame main body, so that connecting hole positions are arranged, and meanwhile, the portion, higher than the frame main body, of the connecting assemblies can play a certain protection role on the power battery.

In the above technical solution, the frame assembly further includes: the first side connecting plate is arranged at one end of the frame main body along the extending direction of the upper longitudinal beam and is fixedly connected with the first connecting assembly and the frame main body; and the second side connecting plate is arranged at the other end of the frame main body in the extending direction of the upper longitudinal beam, is fixedly connected with the second connecting assembly and the frame main body, and is provided with lightening holes.

In this technical scheme, through setting up first side connecting plate and second side connecting plate, connect respectively with the frame main part along the extending direction's of last longeron both ends to strengthen frame set spare's joint strength. Specifically, the first side connecting plate is fixedly connected with the first connecting assembly and one end of the frame main body, and the second side connecting plate is fixedly connected with the second connecting assembly and the other end of the frame main body, so that the strength between the first connecting assembly and the frame main body and the strength between the second connecting assembly and the frame main body are enhanced. Through all being equipped with the lightening hole on first side connecting plate and second side connecting plate to reduce power battery installing support's whole weight under the condition that does not influence joint strength, be favorable to lightweight design. In addition, the first side connecting plate and the second side connecting plate usually correspond to the position of the connector of the power battery, and lightening holes are formed in the first side connecting plate and the second side connecting plate, so that the power battery can be conveniently overhauled and maintained at the later stage. Optionally, the upper edge line of the first side connecting plate and the upper edge line of the second side connecting plate are higher than the height of the frame body, two ends of the upper edge line of the first side connecting plate are respectively connected with the top of the first connecting assembly and the frame body, and the upper edge line of the second side connecting plate is respectively connected with the top of the second connecting assembly and the frame body, so that the torque which the frame body receives once when the power battery is mounted is offset through the first side connecting plate and the second side connecting plate, and the bearing capacity of the power battery mounting bracket is favorably enhanced.

In the above technical solution, the connecting assembly specifically includes: the connecting back plate is fixedly connected with the frame main body, extends along the height direction of the frame main body, is higher than the height of the frame main body, and is provided with flanges bent towards the frame main body at the upper edge, the lower edge and at least one side edge; the reinforcing base plate is fixedly connected to the part of the connecting back plate, which is provided with the connecting hole, and the reinforcing base plate is provided with a through hole corresponding to the connecting hole; and the reinforcing pipe column is fixedly connected to one side of the connecting back plate, which faces the frame main body, and extends along the height direction of the connecting back plate.

In this technical scheme, coupling assembling specifically includes connecting backplate, reinforcing backing plate and reinforcing tubular column. The connecting back plate is fixedly connected to one side of the frame main body and arranged along the height direction of the frame main body, the height of the connecting back plate is larger than that of the frame main body, so that the connecting back plate serves as a base body of the connecting assembly, and the connecting hole is formed in the connecting back plate so as to be connected with a frame of an electric vehicle; the upper edge, the lower edge and at least one side edge of the connecting back plate are provided with flanges bent towards the frame main body, so that the strength of the connecting back plate is enhanced, and the possibility of bending deformation of the connecting back plate is reduced. The reinforcing base plate is arranged at the part, provided with the connecting hole, of the connecting back plate, and is fixedly connected with the connecting back plate, so that when the connecting back plate is connected with a frame of an electric vehicle, the connecting strength is improved, wherein the reinforcing base plate is provided with a through hole corresponding to the connecting hole, and therefore the bolt is fixed conveniently. Through connect the backplate towards the one side fixedly connected with of frame main part and strengthen the tubular column, and strengthen the tubular column and extend along the direction of height of connecting the backplate to further improve coupling assembling's intensity. Optionally, the reinforcing string is a rectangular string to facilitate connection.

In the above technical solution, the frame assembly further includes: the first reinforcing rib plate is arranged on at least one side of the connecting back plate along the extending direction of the upper longitudinal beam, and is connected with the flanging of the connecting back plate and the frame main body; and/or the second reinforcing rib plate is arranged on one side of the at least one upright post along the extension direction of the upper longitudinal beam, and the second reinforcing rib plate is connected with the upright post and the frame main body; and/or the third reinforcing rib plate is arranged on at least one side of the bottom cross beam along the extension direction of the bottom longitudinal beam, and the third reinforcing rib plate is connected with the bottom cross beam and the bottom longitudinal beam.

In the technical scheme, the first reinforcing rib plate is arranged on at least one side of the connecting back plate along the extending direction of the upper longitudinal beam, and the first reinforcing rib plate is connected with the flanging of the connecting back plate and the frame main body, so that the connecting strength between the connecting component and the frame main body is further enhanced, and the overall stability is improved. Optionally, the first reinforcing rib plate may be disposed at a joint between the connection back plate and the first frame structure, may also be disposed at a joint between the connection back plate and the second frame structure, and may also be disposed at two positions. Furthermore, the plurality of first reinforcing rib plates connected with the first frame structure are the same in shape and size, and are symmetrically arranged by taking the third connecting assembly as a symmetry axis in the extending direction along the bottom longitudinal beam; the shape and size of the first reinforcing rib plates connected with the second frame structure are the same, and the third connecting assemblies are symmetrically arranged along the extending direction of the upper longitudinal beam by taking the third connecting assemblies as symmetry axes, so that the frame assembly is beneficial to keeping the stress uniformity. The first reinforcing rib plate can be triangular, trapezoidal or in other shapes, the size of the first reinforcing rib plate can be set according to the space size of the installation position, and corresponding lightening holes can be arranged according to the size of the first reinforcing rib plate.

The second reinforcing rib plate is arranged on one side of the at least one upright post along the extending direction of the upper longitudinal beam and connected with the upright post and the frame structure, so that the connecting strength between the upright post and the frame structure and the stability of the frame main body are improved. Alternatively, the second reinforcing rib plate may be provided only between the upright column and the first frame structure or the second frame structure, or a plurality of second reinforcing rib plates may be provided between the upright column and the first frame structure and the second frame structure at the same time.

At least one side of the bottom cross beam along the extending direction of the bottom longitudinal beam is provided with a third reinforcing rib plate, and the third reinforcing rib plate is connected with the bottom cross beam and the bottom longitudinal beam so as to reinforce the connection strength between the bottom cross beam and the bottom longitudinal beam and the stability of the first frame structure, and optionally, the two ends of the bottom cross beam are provided with the third reinforcing rib plates.

In the technical scheme, the number of the frame components is two, and one sides of the two frame components, which are provided with the connecting components, are oppositely arranged; the power battery mounting bracket further comprises a transverse connection base and a transverse connection rod, the transverse connection base is connected to one side, back to the frame body, of at least one connecting assembly in each frame assembly, and two ends of the transverse connection rod are connected with two transverse connection bases correspondingly arranged on the two frame assemblies respectively.

In this technical scheme, power battery installing support includes two frame assembly and transverse connection base and transverse connection pole. The two frame assemblies are arranged on the two sides of the frame of the electric vehicle respectively. One side of at least one coupling assembling dorsad the frame main part in every frame subassembly through frame subassembly is equipped with the transverse connection base, the both ends of transverse connection pole are connected with the transverse connection base that corresponds the setting on two frame subassemblies respectively, so that two frame subassemblies form transverse connection, at this moment, power battery installing support has the frame subassembly of two horizontal settings, when being connected with electric vehicle's frame, two frame subassemblies are connected with the frame through respective coupling assembling respectively, two frame subassemblies are located the both sides of frame respectively, thereby the power battery quantity that can bear is the twice of the power battery quantity that single frame subassembly can bear, be favorable to further improving electric vehicle's continuation of the journey mileage. Meanwhile, the power batteries are respectively arranged on the two sides of the frame through the power battery mounting supports, the effect of balancing stress can be achieved, and the driving stability of the electric vehicle can be enhanced. Optionally, a transverse connection base is provided at the bottom of the connection assembly to facilitate the arrangement of the transverse connection bar.

The utility model discloses provide an electric motor car among the second aspect technical scheme, include: a body having a frame; at least one power battery mounting bracket according to any one of the above first aspect solutions, detachably connected to the frame; and the at least one power battery pack is arranged on the power battery mounting bracket.

According to the utility model discloses second aspect technical scheme, the electric motor car includes automobile body, at least one power battery package and at least one as above-mentioned any one of first aspect technical scheme's power battery installing support. The vehicle body is provided with a frame and a power system; the at least one power battery mounting bracket is detachably connected to the frame and used for bearing a power battery pack; the power battery pack is arranged on the power battery mounting bracket and is fixed through the power battery mounting bracket, so that the power battery pack can move along with the vehicle and is electrically connected with a power system of the electric vehicle through the power battery pack to supply power to the power system, and the power system outputs driving force required by running of the electric vehicle. Can effectively increase the volume of the power battery package that can hold through power battery installing support, simultaneously, still can further strengthen power battery installing support's intensity and stability to bear the weight of the heavier power battery package, thereby be favorable to improving the electric storage capacity of the power battery package that can hold, and then increase the continuation of the journey mileage of electric motor car.

It should be noted that, in the existing electric vehicle, especially, the power battery pack of the commercial electric vehicle has a large volume and a large weight, and if the power storage amount needs to be increased, the volume and the weight of the power battery pack need to be further increased, so the carrying capacity of the power battery mounting bracket will affect the endurance mileage of the electric vehicle. In addition, the electric vehicle in this scheme should still have all beneficial effects of the power battery installing support among the above-mentioned first aspect technical scheme, and no longer give unnecessary details here.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 shows a schematic structural view of a power battery mounting bracket according to an embodiment of the present invention;

fig. 2 shows a schematic structural view of a frame body according to an embodiment of the invention;

fig. 3 shows a schematic structural view of a power battery mounting bracket according to an embodiment of the present invention;

fig. 4 shows a schematic structural view of a frame body according to an embodiment of the invention;

fig. 5 shows a schematic structural view of a power battery mounting bracket according to an embodiment of the present invention;

fig. 6 shows a schematic structural view of a power battery mounting bracket according to an embodiment of the present invention;

FIG. 7 shows a bottom view of FIG. 6;

fig. 8 shows a schematic structural view of a third connection assembly according to an embodiment of the present invention;

fig. 9 shows a schematic connection diagram of a second connection assembly and a second side connection plate according to an embodiment of the present invention;

fig. 10 shows an assembly diagram of a power battery mounting bracket according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the components in fig. 1 to 10 is as follows:

1 frame component, 11 frame main body, 111 first frame structure, 1111 bottom longitudinal beam, 1112 bottom cross beam, 112 second frame structure, 1121 top longitudinal beam, 1122 top cross beam, 113 upright column, 114 nut block, 12 support rod, 131 first connecting component, 132 second connecting component, 133 third connecting component, 134 connecting back plate, 135 reinforcing backing plate, 136 reinforcing pipe column, 141 first side connecting plate, 142 second side connecting plate, 151 first reinforcing rib plate, 152 second reinforcing rib plate, 153 third reinforcing rib plate, 154 bottom longitudinal beam reinforcing plate, 161 battery mounting hole, 162 connecting hole, 164 pipeline hole site, 165 lightening hole, 166 pipeline through hole, 21 transverse connecting base, 22 transverse connecting rod, 23 standard connecting piece, 3 frame.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A power battery mounting bracket and an electric vehicle according to some embodiments of the present invention will be described below with reference to fig. 1 to 10.

Example one

The present embodiment provides a power battery mounting bracket for an electric vehicle having a frame 3, comprising a frame assembly 1. As shown in fig. 1, the frame assembly 1 includes a frame body 11 and a plurality of support rods 12. Frame main part 11 has two-layer frame construction, and the frame construction that is located frame main part 11 bottom can bear power battery, and is located the frame construction on frame main part 11 upper strata, and detachably is connected with a plurality of bracing pieces 12 for bear power battery, and when power battery assembly or change, only need dismantle bracing piece 12 can, need not to change the overall structure of frame main part 11, be favorable to keeping the intensity and the stability of frame main part 11. In the power battery assembling process, firstly, one power battery is hoisted to the bottom frame structure of the frame main body 11, then a plurality of support rods 12 are installed on the upper frame structure, and then another power battery is hoisted to the support rods 12, so that the three-dimensional space of the frame assembly 1 is utilized, the space for accommodating the power battery is increased, and particularly, when the power battery installing support is used for heavy commercial electric vehicles such as a dump truck and an engineering truck, the power battery with larger volume and weight can be supported, the electric storage capacity of the power battery is increased, and the improvement of the endurance mileage of the commercial electric vehicles is facilitated. Wherein, the frame component 1 can be connected with the frame 3 of the electric vehicle to realize the assembly between the power battery mounting bracket and the electric vehicle.

It should be noted that the power battery mounting bracket of the present invention is not limited to the embodiment of the present invention, and a multi-layer frame structure may be further provided to further increase the number of power batteries.

Example two

The present embodiment provides a power battery mounting bracket for an electric vehicle having a frame 3, comprising a frame assembly 1. As shown in fig. 1, the frame assembly 1 includes a frame body 11 and a plurality of support rods 12. Frame main part 11 has two-layer frame construction, and the frame construction that is located frame main part 11 bottom can bear power battery, and is located the frame construction on frame main part 11 upper strata, and detachably is connected with a plurality of bracing pieces 12 for bear power battery, and when power battery assembly or change, only need dismantle bracing piece 12 can, need not to change the overall structure of frame main part 11, be favorable to keeping the intensity and the stability of frame main part 11. As shown in fig. 2, the frame body 11 specifically includes a first frame structure 111, a second frame structure 112, and a plurality of uprights 113. The first frame structure 111 is located at the bottom layer of the frame body 11, the second frame structure 112 is located above the first frame structure 111, and the second frame structure 112 is disposed corresponding to the first frame structure 111. The first frame structure 111 and the second frame structure 112 are fixedly connected through a plurality of upright posts 113, two ends of the upright posts 113 are respectively welded and fixed with the first frame structure 111 and the second frame structure 112, the frame main body 11 forms a three-dimensional structure, and the plurality of support rods 12 are detachably connected to the second frame structure 112, so that the upper layer and the lower layer of the frame assembly 1 can bear power batteries.

EXAMPLE III

The present embodiment provides a power battery mounting bracket for an electric vehicle having a frame 3, comprising a frame assembly 1. As shown in fig. 3 and 4, the frame assembly 1 includes a frame body 11 and a plurality of support rods 12. The frame body 11 has a two-layer frame structure including a first frame structure 111, a second frame structure 112, and a plurality of vertical posts 113, and both the first frame structure 111 and the second frame structure 112 are rectangular frames. Specifically, the first frame structure 111 is disposed at the bottom layer of the frame body 11, and includes two bottom longitudinal beams 1111 and five bottom cross beams 1112, the two bottom longitudinal beams 1111 are disposed in parallel, the five bottom cross beams 1112 are perpendicularly disposed between the two bottom longitudinal beams 1111 and are disposed at intervals along the extending direction of the bottom longitudinal beams 1111, wherein the two bottom cross beams 1112 are respectively connected to two ends of the bottom longitudinal beams 1111. The bottom longitudinal beam 1111 is of a groove-shaped structure with an opening at the bottom, a plurality of battery mounting holes 161 are formed in the top of the bottom longitudinal beam at intervals along the length direction, and the battery mounting holes 161 are waist-shaped holes; the bottom cross beam 1112 is welded to the inward side edges of the two bottom longitudinal beams 1111. The second frame structure 112 includes two upper longitudinal beams 1121 and two upper cross beams 1122, and the upper longitudinal beams 1121 and the upper cross beams 1122 are fixed by welding to form a rectangular frame structure. A plurality of nut blocks 114 are correspondingly arranged on the two upper longitudinal beams 1121, and two ends of the supporting rod 12 are respectively connected with the nut blocks 114 correspondingly arranged on the two upper longitudinal beams 1121 through bolts, so that the supporting rod 12 is detachably connected with the second frame structure 112. The number of the support rods 12 is six, and the support rods are arranged at intervals along the extending direction of the upper longitudinal beams 1121. The support rod 12 is provided with a plurality of battery mounting holes 161 at intervals in the longitudinal direction. In addition, a pipeline hole 164 is further disposed on the upper longitudinal beam 1121 for fixing a pipeline of the power battery. The upper cross-beam 1122 has an L-shaped cross-section, and a pipeline passing hole 166 is formed in the top edge of the upper cross-beam 1122. The number of the upright posts 113 is six, four of the upright posts 113 are arranged at four vertex positions of the frame body 11, the other two upright posts 113 are respectively arranged at the midpoint positions of the frame body 11 along the extending direction of the bottom longitudinal beam 1111, so that the frame body 11 forms a rectangular parallelepiped structure, and two ends of the upright posts 113 are respectively welded and fixed with the first frame structure 111 and the second frame structure 112, so as to enhance the connection strength and stability of the frame body 11.

It should be noted that, in the power battery mounting bracket provided by the present invention, the number of the bottom longitudinal beams 1111, the upright posts 113 and the support rods 12 is not limited to the number in this embodiment, and other numbers can be set according to the specific size of the frame assembly 1, and still the effect of the power battery mounting bracket of the present invention can be achieved.

Example four

The embodiment provides a power battery mounting bracket for an electric vehicle with a vehicle frame 3, which comprises a frame assembly 1, wherein the frame assembly 1 comprises a frame main body 11, a connecting assembly, a side connecting plate and a supporting rod 12.

As shown in fig. 5, the frame body 11 has a two-layer frame structure including a first frame structure 111, a second frame structure 112, and a plurality of vertical posts 113, and both the first frame structure 111 and the second frame structure 112 are rectangular frames. Specifically, the first frame structure 111 is disposed at the bottom layer of the frame body 11, and includes two bottom longitudinal beams 1111 and five bottom cross beams 1112, the two bottom longitudinal beams 1111 are disposed in parallel, the five bottom cross beams 1112 are perpendicularly disposed between the two bottom longitudinal beams 1111 and are disposed at intervals along the extending direction of the bottom longitudinal beams 1111, wherein the two bottom cross beams 1112 are respectively connected to two ends of the bottom longitudinal beams 1111. The bottom longitudinal beam 1111 is of a groove-shaped structure with an opening at the bottom, a plurality of battery mounting holes 161 are formed in the top of the bottom longitudinal beam at intervals along the length direction, and the battery mounting holes 161 are waist-shaped holes; the bottom cross beam 1112 is welded and fixed to the inward side edges of the two bottom longitudinal beams 1111, and a triangular third reinforcing rib plate 153 is provided on at least one side of the bottom cross beam 1112 in the extending direction of the bottom longitudinal beams 1111. The second frame structure 112 includes two upper longitudinal beams 1121 and two upper cross beams 1122, and the upper longitudinal beams 1121 and the upper cross beams 1122 are fixed by welding to form a rectangular frame structure. A plurality of nut blocks 114 are correspondingly arranged on the two upper longitudinal beams 1121, and two ends of the supporting rod 12 are respectively connected with the nut blocks 114 correspondingly arranged on the two upper longitudinal beams 1121 through bolts, so that the supporting rod 12 is detachably connected with the second frame structure 112. The number of the support rods 12 is six, and the support rods are arranged at intervals along the extending direction of the upper longitudinal beams 1121. The support rod 12 is provided with a plurality of battery mounting holes 161 at intervals in the longitudinal direction. In addition, a pipeline hole 164 is further disposed on the upper longitudinal beam 1121 for fixing a pipeline of the power battery. The upper cross-beam 1122 has an L-shaped cross-section, and a pipeline passing hole 166 is formed in the top edge of the upper cross-beam 1122. The number of the upright posts 113 is six, four of the upright posts 113 are arranged at four vertex positions of the frame main body 11, the other two upright posts 113 are respectively arranged at the midpoint positions of the frame main body 11 along the extending direction of the bottom longitudinal beam 1111, so that the frame main body 11 forms a rectangular parallelepiped structure, and two ends of each upright post 113 are respectively welded and fixed with the first frame structure 111 and the second frame structure 112. One side of the upright 113 located at the vertex of the frame main body 11 along the extending direction of the upper longitudinal beam 1121 is connected with a triangular second reinforcing rib plate 152, and the second reinforcing rib plate 152 is respectively arranged at the included angle position between the upright 113 and the upper longitudinal beam 1121 and the included angle position between the upright 113 and the bottom longitudinal beam 1111, so as to further enhance the connection strength and stability of the frame main body 11.

As shown in fig. 5 and 6, the number of the connecting assemblies is three, and the connecting assemblies are a first connecting assembly 131, a second connecting assembly 132 and a third connecting assembly 133, which are respectively fixedly connected to the same side of the frame main body 11 along the extending direction of the upper beam 1122, wherein the first connecting assembly 131 and the second connecting assembly 132 are respectively connected to two ends of the frame main body 11 along the extending direction of the upper beam 1121, and the third connecting assembly 133 is disposed between the first connecting assembly 131 and the second connecting assembly 132. The heights of the first connecting assembly 131, the second connecting assembly 132 and the third connecting assembly 133 are all higher than the height of the frame body 11, and the portions of the first connecting assembly 131, the second connecting assembly 132 and the third connecting assembly 133 above the frame body 11 are all provided with connecting holes 162 for connecting the frame 3 of the electric vehicle. The side connection plates include a first side connection plate 141 and a second side connection plate 142. The first side connecting plate 141 is disposed at one end of the frame body 11 close to the first connecting component 131 along the extending direction of the upper longitudinal beam 1121, and the first side connecting plate 141 is welded and fixed with the frame body 11 and the first connecting component 131; the second side connecting plate 142 is disposed at one end of the frame main body 11 close to the second connecting component 132 along the extending direction of the upper longitudinal beam 1121, and the second side connecting plate 142 is welded and fixed with the frame main body 11 and the second connecting component 132. The height of the first side connection plate 141 and the height of the second side connection plate 142 are both higher than the height of the frame body 11, both ends of the upper edge line of the first side connection plate 141 are connected to the top of the first connection assembly 131 and the top of the frame body 11, respectively, and both ends of the upper edge line of the second side connection plate 142 are connected to the top of the second connection assembly 132 and the top of the frame body 11, respectively, to further enhance the strength of the frame assembly 1. Wherein, the first side connecting plate 141 and the second side connecting plate 142 are provided with lightening holes 165. In addition, at least one side of the connecting assembly in the extending direction of the bottom longitudinal beam 1111 is provided with a first reinforcing rib plate 151, and the first reinforcing rib plate 151 is respectively arranged at the included angle position between the connecting assembly and the bottom longitudinal beam 1111 and the included angle position between the connecting assembly and the upper longitudinal beam 1121, so that the connecting strength and the stability between the connecting assembly and the frame main body 11 are improved. As shown in fig. 7, a plurality of bottom longitudinal beam reinforcing plates 154 are further disposed in the groove-shaped structure of the bottom longitudinal beam 1111, and two ends of the bottom longitudinal beam reinforcing plates 154 are respectively fixedly connected to two side edges of the bottom longitudinal beam 1111, so as to enhance the strength of the bottom longitudinal beam 1111.

It should be noted that, in the power battery mounting bracket provided by the present invention, the number of the bottom longitudinal beams 1111, the upright posts 113, the supporting rods 12, the first rib plates 151, the second rib plates 152 and the third rib plates 153 is not limited to the number in this embodiment, and other numbers can be set according to the specific size of the frame assembly 1, and still the effect of the power battery mounting bracket can be realized.

EXAMPLE five

The embodiment provides a power battery installing support, and on the basis of the fourth embodiment, the connecting assembly is further improved. As shown in fig. 8 and 9, the connection assembly specifically includes a connection back plate 134, a reinforcement mat 135, and a reinforcement string 136. The connection back plate 134 extends in the height direction of the frame body 11, and is fixedly connected to the frame body 11. The connecting back plate 134 is provided with a connecting hole 162, a reinforcing backing plate 135 is arranged on one side of the connecting back plate 134 facing the frame body 11, the reinforcing backing plate 135 corresponds to the connecting hole 162 on the connecting back plate 134, and a through hole corresponding to the connecting hole 162 is arranged on the reinforcing backing plate 135, so that the strength of the connecting back plate 134 when being connected with the frame 3 of the electric vehicle is enhanced. The reinforcing pipe column 136 is a tubular structure with a rectangular cross section and is arranged on one side of the connecting back plate 134 facing the frame main body 11, and the reinforcing pipe column 136 is arranged along the height direction of the connecting back plate 134 and is fixedly connected with the connecting back plate 134 so as to improve the strength of the connecting assembly. As shown in fig. 8, a flange bent toward the frame body 11 is disposed at an edge of the connection back plate 134 of the third connection assembly 133; as shown in fig. 9, the upper edge, the lower edge and the side edge near the third connecting member 133 of the connecting back plate 134 of the second connecting member 132 are provided with flanges bent toward the frame body 11, and the side edge far from the third connecting member 133 is connected to the second side connecting plate 142. Similarly, the upper edge, the lower edge, and the side edge near the third connecting member 133 of the connecting back plate 134 of the first connecting member 131 are provided with flanges bent toward the frame main body 11, and the side edge far from the third connecting member 133 is connected to the first side connecting plate 141. The connecting back plate 134 is provided with a flanging structure, so that the strength of the connecting component is further improved.

EXAMPLE six

The embodiment provides a power battery mounting bracket for an electric vehicle with a vehicle frame 3, which comprises a frame assembly 1, wherein the frame assembly 1 comprises a frame main body 11, a connecting assembly, a side connecting plate and a supporting rod 12.

As shown in fig. 4 and 5, the frame body 11 has a two-layer frame structure including a first frame structure 111, a second frame structure 112, and a plurality of vertical posts 113, and both the first frame structure 111 and the second frame structure 112 are rectangular frames. Specifically, the first frame structure 111 is disposed at the bottom layer of the frame body 11, and includes two bottom longitudinal beams 1111 and five bottom cross beams 1112, the two bottom longitudinal beams 1111 are disposed in parallel, the five bottom cross beams 1112 are perpendicularly disposed between the two bottom longitudinal beams 1111 and are disposed at intervals along the extending direction of the bottom longitudinal beams 1111, wherein the two bottom cross beams 1112 are respectively connected to two ends of the bottom longitudinal beams 1111. The bottom longitudinal beam 1111 is of a groove-shaped structure with an opening at the bottom, a plurality of battery mounting holes 161 are formed in the top of the bottom longitudinal beam at intervals along the length direction, and the battery mounting holes 161 are waist-shaped holes; the bottom cross beam 1112 is welded and fixed to the inward side edges of the two bottom longitudinal beams 1111, and a triangular third reinforcing rib plate 153 is provided on at least one side of the bottom cross beam 1112 in the extending direction of the bottom longitudinal beams 1111. The second frame structure 112 includes two upper longitudinal beams 1121 and two upper cross beams 1122, and the upper longitudinal beams 1121 and the upper cross beams 1122 are fixed by welding to form a rectangular frame structure. A plurality of nut blocks 114 are correspondingly arranged on the two upper longitudinal beams 1121, and two ends of the supporting rod 12 are respectively connected with the nut blocks 114 correspondingly arranged on the two upper longitudinal beams 1121 through bolts, so that the supporting rod 12 is detachably connected with the second frame structure 112. The number of the support rods 12 is six, and the support rods are arranged at intervals along the extending direction of the upper longitudinal beams 1121. The support rod 12 is provided with a plurality of battery mounting holes 161 at intervals in the longitudinal direction. In addition, a pipeline hole 164 is further disposed on the upper longitudinal beam 1121 for fixing a pipeline of the power battery. The upper cross-beam 1122 has an L-shaped cross-section, and a pipeline passing hole 166 is formed in the top edge of the upper cross-beam 1122. The number of the upright posts 113 is six, four of the upright posts 113 are arranged at four vertex positions of the frame main body 11, the other two upright posts 113 are respectively arranged at the midpoint positions of the frame main body 11 along the extending direction of the bottom longitudinal beam 1111, so that the frame main body 11 forms a rectangular parallelepiped structure, and two ends of each upright post 113 are respectively welded and fixed with the first frame structure 111 and the second frame structure 112. One side of the upright 113 located at the vertex of the frame main body 11 along the extending direction of the upper longitudinal beam 1121 is connected with a triangular second reinforcing rib plate 152, and the second reinforcing rib plate 152 is respectively arranged at the included angle position between the upright 113 and the upper longitudinal beam 1121 and the included angle position between the upright 113 and the bottom longitudinal beam 1111, so as to further enhance the connection strength and stability of the frame main body 11.

As shown in fig. 5 and 6, the number of the connecting assemblies is three, and the connecting assemblies are a first connecting assembly 131, a second connecting assembly 132 and a third connecting assembly 133, which are respectively fixedly connected to the same side of the frame main body 11 along the extending direction of the upper beam 1122, wherein the first connecting assembly 131 and the second connecting assembly 132 are respectively connected to two ends of the frame main body 11 along the extending direction of the upper beam 1121, and the third connecting assembly 133 is disposed between the first connecting assembly 131 and the second connecting assembly 132. The heights of the first connecting assembly 131, the second connecting assembly 132 and the third connecting assembly 133 are all higher than the height of the frame body 11, and the portions of the first connecting assembly 131, the second connecting assembly 132 and the third connecting assembly 133 above the frame body 11 are all provided with connecting holes 162 for connecting the frame 3 of the electric vehicle. The side connection plates include a first side connection plate 141 and a second side connection plate 142. The first side connecting plate 141 is disposed at one end of the frame body 11 close to the first connecting component 131 along the extending direction of the upper longitudinal beam 1121, and the first side connecting plate 141 is welded and fixed with the frame body 11 and the first connecting component 131; the second side connecting plate 142 is disposed at one end of the frame main body 11 close to the second connecting component 132 along the extending direction of the upper longitudinal beam 1121, and the second side connecting plate 142 is welded and fixed with the frame main body 11 and the second connecting component 132. The height of the first side connection plate 141 and the height of the second side connection plate 142 are both higher than the height of the frame body 11, both ends of the upper edge line of the first side connection plate 141 are connected to the top of the first connection assembly 131 and the top of the frame body 11, respectively, and both ends of the upper edge line of the second side connection plate 142 are connected to the top of the second connection assembly 132 and the top of the frame body 11, respectively, to further enhance the strength of the frame assembly 1. Wherein, the first side connecting plate 141 and the second side connecting plate 142 are provided with lightening holes 165. In addition, at least one side of the connecting assembly in the extending direction of the bottom longitudinal beam 1111 is provided with a first reinforcing rib plate 151, and the first reinforcing rib plate 151 is respectively arranged at the included angle position between the connecting assembly and the bottom longitudinal beam 1111 and the included angle position between the connecting assembly and the upper longitudinal beam 1121, so that the connecting strength and the stability between the connecting assembly and the frame main body 11 are improved. As shown in fig. 7, a plurality of bottom longitudinal beam reinforcing plates 154 are further disposed in the groove-shaped structure of the bottom longitudinal beam 1111, and two ends of the bottom longitudinal beam reinforcing plates 154 are respectively fixedly connected to two side edges of the bottom longitudinal beam 1111, so as to enhance the strength of the bottom longitudinal beam 1111.

As shown in fig. 8 and 9, the connection assembly specifically includes a connection back plate 134, a reinforcement mat 135, and a reinforcement string 136. The connection back plate 134 extends in the height direction of the frame body 11, and is fixedly connected to the frame body 11. The connecting back plate 134 is provided with a connecting hole 162, a reinforcing backing plate 135 is arranged on one side of the connecting back plate 134 facing the frame body 11, the reinforcing backing plate 135 corresponds to the connecting hole 162 on the connecting back plate 134, and a through hole corresponding to the connecting hole 162 is arranged on the reinforcing backing plate 135, so that the strength of the connecting back plate 134 when being connected with the frame 3 of the electric vehicle is enhanced. The reinforcing pipe column 136 is a tubular structure with a rectangular cross section and is arranged on one side of the connecting back plate 134 facing the frame main body 11, and the reinforcing pipe column 136 is arranged along the height direction of the connecting back plate 134 and is fixedly connected with the connecting back plate 134 so as to improve the strength of the connecting assembly. As shown in fig. 8, a flange bent toward the frame body 11 is disposed at an edge of the connection back plate 134 of the third connection assembly 133; as shown in fig. 9, the upper edge, the lower edge and the side edge near the third connecting member 133 of the connecting back plate 134 of the second connecting member 132 are provided with flanges bent toward the frame body 11, and the side edge far from the third connecting member 133 is connected to the second side connecting plate 142. Similarly, the upper edge, the lower edge, and the side edge near the third connecting member 133 of the connecting back plate 134 of the first connecting member 131 are provided with flanges bent toward the frame main body 11, and the side edge far from the third connecting member 133 is connected to the first side connecting plate 141. The connecting back plate 134 is provided with a flanging structure, so that the strength of the connecting component is further improved.

It should be noted that, in the power battery mounting bracket provided by the present invention, the number of the bottom longitudinal beams 1111, the upright posts 113, the supporting rods 12, the first rib plates 151, the second rib plates 152 and the third rib plates 153 is not limited to the number in this embodiment, and other numbers can be set according to the specific size of the frame assembly 1, and still the effect of the power battery mounting bracket can be realized.

EXAMPLE seven

In the present embodiment, a power battery mounting bracket is provided, as shown in fig. 10, which includes two frame assemblies 1 as in the sixth embodiment, four transverse connecting bases 21 and two transverse connecting rods 22. The sides of the two frame assemblies 1 provided with the connecting assemblies are oppositely arranged, one sides of the two connecting assemblies at the two ends of the frame assembly 1, which are back to the frame body 11, are connected with the transverse connecting bases 21, and the transverse connecting bases 21 are arranged at the bottoms of the connecting assemblies, namely the transverse connecting bases 21 are arranged at the bottoms of the first connecting assembly 131 and the second connecting assembly 132. Two ends of the transverse connecting rod 22 are respectively connected with two transverse connecting bases 21 correspondingly arranged on the two frame assemblies 1, so that the two frame assemblies 1 are transversely connected. When the power battery mounting bracket bearing the power battery is assembled with the frame 3 of the electric vehicle, the two frame assemblies 1 are respectively arranged at two sides of the frame 3, the connecting holes 162 on the connecting assembly of the frame assemblies 1 correspond to the connecting holes 162 on the frame 3, and the two frame assemblies 1 are respectively connected with the left longitudinal beam and the right longitudinal beam of the frame 3 through the standard connecting piece 23, so that the two frame assemblies 1 are symmetrically arranged at two sides of the frame 3, the number of the power batteries capable of being accommodated is increased, and balance of the vehicle in the width direction is kept. The transverse connecting rod 22 is positioned below the frame 3 to enhance the connection stability of the power battery mounting bracket.

Example eight

The embodiment provides an electric vehicle which comprises a vehicle body, at least one power battery pack and at least one power battery mounting bracket as described in any one of the first embodiment to the seventh embodiment. The vehicle body is provided with a frame 3 and a power system; at least one power battery mounting bracket is detachably connected to the frame 3 and used for bearing a power battery pack; the power battery pack is arranged on the power battery mounting bracket and is fixed through the power battery mounting bracket, so that the power battery pack can move along with the vehicle and is electrically connected with a power system of the electric vehicle through the power battery pack to supply power to the power system, and the power system outputs driving force required by running of the electric vehicle. Can effectively increase the weight and the volume of the power battery package that bears through power battery installing support, simultaneously, still can further strengthen power battery installing support's intensity and stability to bear the weight of the heavier power battery package, thereby be favorable to improving the electric storage capacity of the power battery package that can bear, and then increase the continuation of the journey mileage of electric motor car. The number of the power battery mounting brackets can be one or more, and when the number of the power battery mounting brackets is multiple, the plurality of power battery mounting brackets can be arranged along the length direction of the frame 3 and can also be arranged along the width direction of the frame 3.

It should be noted that, when the electric vehicle in this embodiment is a heavy commercial electric vehicle, the function of the power battery mounting bracket is more obvious. In addition, the electric vehicle in this embodiment further has all the advantages of the power battery mounting bracket according to any one of the first to seventh embodiments, which is not described herein again.

Above combine the figure to describe in detail the technical scheme of the utility model, power battery installing support simple structure, the convenient assembly operation, and need not to change the structure of frame main part in the assembling process, can effectively improve the intensity and the stability of power battery installing support, increased the volume and the weight of the power battery that can bear simultaneously, be favorable to improving electric vehicle's continuation of the journey mileage.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A power cell mounting bracket for an electric vehicle having a frame (3), characterized by at least one frame assembly (1), the frame assembly (1) comprising:

the frame body (11), the frame body (11) has at least two layers of frame structures, and the frame structure at the bottom layer of the frame body (11) can bear a power battery;

a plurality of support rods (12) detachably connected to the frame structure of each layer except the bottom layer in the frame main body (11) for carrying power batteries,

wherein the frame assembly (1) is connectable with the vehicle frame (3).

2. The power battery mounting bracket according to claim 1, wherein the frame body (11) comprises in particular:

a first frame structure (111) provided on the bottom layer of the frame body (11);

the second frame structure (112) is correspondingly arranged above the first frame structure (111);

a plurality of upright posts (113) arranged between the first frame structure (111) and the second frame structure (112), wherein two ends of the upright posts (113) are respectively fixedly connected with the first frame structure (111) and the second frame structure (112),

wherein a plurality of said support rods (12) are detachably connected to said second frame structure (112).

3. The power-battery mounting bracket of claim 2,

the first frame structure (111) and the second frame structure (112) are rectangular frame structures;

the first frame structure (111) comprises two bottom longitudinal beams (1111) and a plurality of bottom transverse beams (1112), two ends of each bottom transverse beam (1112) are fixedly connected with the two bottom longitudinal beams (1111), and the bottom transverse beams (1112) are arranged at intervals along the extension direction of the bottom longitudinal beams (1111);

the second frame structure (112) comprises two upper longitudinal beams (1121) and two upper cross beams (1122), the upper longitudinal beams (1121) and the bottom longitudinal beams (1111) are correspondingly arranged, a plurality of nut blocks (114) are correspondingly arranged on the two upper longitudinal beams (1121), two ends of the supporting rod (12) are detachably connected with the upper longitudinal beams (1121) through the nut blocks (114), and the supporting rods (12) are arranged at intervals along the extending direction of the upper longitudinal beams (1121),

wherein, the bottom longitudinal beam (1111) and the support rod (12) are respectively provided with a battery mounting hole (161).

4. The power cell mounting bracket of claim 3, wherein the frame assembly (1) further comprises:

a plurality of connecting components which are connected to the same side of the frame main body (11) along the extension direction of the upper cross beam (1122) and are arranged at intervals along the extension direction of the upper longitudinal beam (1121),

wherein, be equipped with connecting hole (162) on the coupling assembling for with frame (3) are connected.

5. The power-battery mounting bracket of claim 4,

the number of the connecting assemblies is three, the connecting assemblies are respectively a first connecting assembly (131), a second connecting assembly (132) and a third connecting assembly (133), the first connecting assembly (131) and the second connecting assembly (132) are respectively arranged at two ends of the frame main body (11) along the extending direction of the upper longitudinal beam (1121),

wherein the first connecting assembly (131), the second connecting assembly (132) and the third connecting assembly (133) each have a height greater than a height of the frame body (11).

6. The power cell mounting bracket of claim 5, wherein the frame assembly (1) further comprises:

the first side connecting plate (141) is arranged at one end of the frame main body (11) along the extending direction of the upper longitudinal beam (1121), and the first side connecting plate (141) is fixedly connected with the first connecting assembly (131) and the frame main body (11);

a second side connecting plate (142) provided at the other end of the frame main body (11) in the extending direction of the upper longitudinal beam (1121), the second side connecting plate (142) being fixedly connected to the second connecting assembly (132) and the frame main body (11),

wherein, the first side connecting plate (141) and the second side connecting plate (142) are provided with lightening holes (165).

7. The power battery mounting bracket of claim 4, wherein the connection assembly specifically comprises:

the connecting back plate (134) is fixedly connected with the frame main body (11), the connecting back plate (134) extends along the height direction of the frame main body (11), the height of the connecting back plate (134) is larger than that of the frame main body (11), flanges bent towards the frame main body (11) are formed on the upper edge, the lower edge and at least one side edge of the connecting back plate (134), and the connecting hole (162) is formed in the connecting back plate (134);

the reinforcing backing plate (135) is fixedly connected to the part of the connecting back plate (134) provided with the connecting hole (162), and the reinforcing backing plate (135) is provided with a through hole corresponding to the connecting hole (162);

and the reinforcing pipe column (136) is fixedly connected to one side, facing the frame main body (11), of the connecting back plate (134), and the reinforcing pipe column (136) extends along the height direction of the connecting back plate (134).

8. The power cell mounting bracket of claim 7, wherein the frame assembly (1) further comprises:

the first reinforcing rib plate (151) is arranged on at least one side of the connecting back plate (134) along the extending direction of the upper longitudinal beam (1121), and the first reinforcing rib plate (151) is connected with a flanging of the connecting back plate (134) and the frame main body (11); and/or

The second reinforcing rib plate (152) is arranged on one side of at least one upright post (113) along the extending direction of the upper longitudinal beam (1121), and the second reinforcing rib plate (152) is connected with the upright post (113) and the frame structure; and/or

And the third reinforcing rib plate (153) is arranged on at least one side of the bottom cross beam (1112) along the extension direction of the bottom longitudinal beam (1111), and the third reinforcing rib plate (153) is connected with the bottom cross beam (1112) and the bottom longitudinal beam (1111).

9. The power-battery mounting bracket of claim 4,

the number of the frame assemblies (1) is two, and one sides of the two frame assemblies (1) on which the connecting assemblies are arranged oppositely;

the power battery mounting bracket further comprises a transverse connection base (21) and a transverse connection rod (22), the transverse connection base (21) is connected to each frame component (1) at least one connecting component faces away from one side of the frame main body (11), and two ends of the transverse connection rod (22) are respectively connected with the transverse connection base (21) correspondingly arranged on the frame component (1).

10. An electric vehicle, comprising:

a vehicle body having a frame (3) and a power system;

at least one power cell mounting bracket according to any of claims 1 to 9, removably connected to the frame (3);

and the power battery pack is arranged on the power battery mounting bracket and is electrically connected with the power system.

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