CN211685319U

CN211685319U - Bracket, bracket assembly and bracket mounting system

Info

Publication number: CN211685319U
Application number: CN201922226397.7U
Authority: CN
Inventors: 陈盈翰; 李岩; 秦超; 汪港
Original assignee: Shanghai Yuancheng Automobile Technology Co Ltd
Current assignee: Shanghai Yuancheng Automobile Technology Co Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-10-16
Anticipated expiration: 2029-12-10

Abstract

The utility model relates to a vehicle engineering technical field especially relates to a bracket, bracket assembly and bracket mounting system. The bracket is arranged in a front cabin of the pure electric vehicle and comprises a first frame part used for connecting a first part, a second frame part used for connecting a second part, a third frame part used for connecting a third part and a fourth frame part used for connecting a fourth part, wherein at least one of the first frame part, the second frame part, the third frame part and the fourth frame part is matched with the length of the corresponding part. The bracket assembly includes the bracket described above. The bracket mounting system includes the bracket assembly described above. The utility model provides a bracket, bracket assembly and bracket mounting system has alleviated the relatively poor technical problem of the fixity of bracket to spare part that exists among the prior art.

Description

Bracket, bracket assembly and bracket mounting system

Technical Field

The utility model belongs to the technical field of the vehicle engineering technique and specifically relates to a bracket, bracket assembly and bracket mounting system are related to.

Background

Pure Electric vehicles (BEV) are vehicles powered entirely by rechargeable batteries (such as lead-acid batteries, nickel-cadmium batteries, nickel-hydrogen batteries, or lithium-ion batteries), and their production and usage are increasing. Compared with a conventional fuel vehicle, the pure electric vehicle has more parts in a front cabin, for example, compared with the fuel vehicle, the pure electric vehicle additionally has various parts such as a charger, a motor controller and a high-voltage distribution box, and the parts are generally loaded through a bracket.

However, referring to fig. 1, fig. 1 is a schematic structural diagram of a bracket in the prior art, wherein the bracket has poor fixity to components.

Accordingly, the present application provides a new bracket, bracket assembly and bracket mounting system that addresses the above-identified problems.

SUMMERY OF THE UTILITY MODEL

A first object of the present invention is to provide a bracket to alleviate the relatively poor technical problem of fixity of the bracket to the parts existing in the prior art.

A second object of the present invention is to provide a bracket assembly to further alleviate the relatively poor technical problem of fixity of the bracket to the parts that exists among the prior art.

A third object of the present invention is to provide a bracket mounting system to further alleviate the technical problem of poor fixing property of the bracket to the component existing in the prior art.

Based on above-mentioned first purpose, the utility model provides a bracket sets up in pure electric vehicles's front deck, including the first frame portion that is used for connecting first spare part, the second frame portion that is used for connecting the second spare part, the third frame portion that is used for connecting the third spare part and the fourth frame portion that is used for connecting the fourth spare part, first frame portion the second frame portion the third frame portion with at least one of the fourth frame portion and the length phase-match of the spare part that corresponds separately.

Further, the bracket includes first girder, second girder and the third girder that sets up at the interval in proper order, first girder with the third girder forms jointly first frame portion, first girder with the second girder forms jointly the second frame portion third frame portion with fourth frame portion.

Furthermore, a first longitudinal beam is connected between the first main beam and the second main beam, and a second longitudinal beam is connected between the first main beam and the third main beam.

Adopt above-mentioned technical scheme, the utility model discloses a bracket has following beneficial effect:

at least one of first frame portion, second frame portion, third frame portion and fourth frame portion and the length assorted setting of the spare part that corresponds respectively make the support of bracket to at least one spare part with bear more firmly to it is more stable to make at least one spare part be fixed in the bracket, has improved the fixity of bracket to the spare part, has alleviated the relatively poor technical problem of the fixity of bracket to the spare part that exists among the prior art.

The first shelf portion, the second shelf portion, the third shelf portion and the fourth shelf portion may be adapted to lengths of the respective components, two of the first shelf portion, the second shelf portion, the third shelf portion and the fourth shelf portion, or three of the first shelf portion, the second shelf portion, the third shelf portion and the fourth shelf portion.

Based on above-mentioned second purpose, the utility model provides a bracket component, include bracket and rigid coupling in the mounting structure of bracket, mounting structure is used for connecting first spare part the second spare part the third spare part with the fourth spare part.

Furthermore, an expansion bracket for fixing the wires of the parts is fixedly arranged on the mounting structure.

Further, the expansion bracket is a plastic bracket.

Further, the mounting structure comprises a first mounting piece provided with at least one first threaded hole and a second mounting piece provided with at least two second threaded holes;

the first frame part, the second frame part, the third frame part and the fourth frame part are respectively and fixedly provided with a plurality of first mounting parts and/or a plurality of second mounting parts.

Further, the first part is a charger, the second part is a motor controller, the third part is a high-voltage distribution box, and the fourth part is a storage battery;

the first frame part corresponds to two sides of the charger in the length direction, and the fourth frame part corresponds to two sides of the storage battery in the length direction.

Further, the first part is a storage battery, the second part is a high-voltage distribution box, the third part is a motor controller, and the fourth part is a charger.

Adopt above-mentioned technical scheme, the utility model discloses a bracket assembly has following beneficial effect:

since the bracket assembly comprises the bracket described above, the bracket assembly accordingly has all the advantages of the bracket described above and will not be described in detail herein.

Based on above-mentioned third purpose, the utility model provides a bracket mounting system, including first spare part, second spare part, third spare part, fourth spare part and the bracket assembly, first spare part the second spare part the third spare part with the fourth spare part all passes through bracket assembly's mounting structure connects in the bracket.

Adopt above-mentioned technical scheme, the utility model discloses a bracket mounting system has following beneficial effect:

by providing the bracket assembly described above within a bracket mounting system, the bracket mounting system accordingly has all the advantages of the bracket assembly described above and will not be described in detail herein.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a prior art carrier;

fig. 2 is a schematic structural diagram of a first form of a bracket according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a second form of bracket according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a first form of a bracket assembly provided by an embodiment of the present invention;

fig. 5 is a partial schematic structural view of a first form of a bracket mounting system according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a first form of a bracket mounting system according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a second form of a bracket assembly provided in accordance with an embodiment of the present invention;

fig. 8 is a partial structural schematic diagram of a second form of a bracket mounting system according to an embodiment of the present invention.

Icon: 11-a first component part; 12-a second component part; 13-a third component part; 14-a fourth component part; 15-an electrical wire;

21-a first shelf portion; 22-a second shelf portion; 23-a third shelf portion; 24-a fourth shelf portion;

31-a first main beam; 32-a second main beam; 33-a third main beam;

41-a first stringer; 42-a second stringer; 43-a third stringer;

5-mounting a structure; 51-a first mount; 511-a first threaded hole; 52-a second mount; 521-a second threaded hole; 6-expanding the support.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", 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 element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 2 and 5, the present embodiment provides a bracket, which is disposed in a front cabin of a pure electric vehicle, and includes a first frame portion 21 for connecting a first component 11, a second frame portion 22 for connecting a second component 12, a third frame portion 23 for connecting a third component 13, and a fourth frame portion 24 for connecting a fourth component 14, where at least one of the first frame portion 21, the second frame portion 22, the third frame portion 23, and the fourth frame portion 24 matches a length of a corresponding component, so that the bracket can support and bear at least one component more firmly, and thus the at least one component is fixed to the bracket more stably, the fixing of the bracket to the components is improved, and a technical problem existing in the prior art that the fixing of the bracket to the components is poor is solved.

Any one of the first frame portion 21, the second frame portion 22, the third frame portion 23, and the fourth frame portion 24 may be adapted to the length of the corresponding component, any two of the four frame portions may be adapted to the length of the corresponding component, or any three of the four frame portions may be adapted to the length of the corresponding component.

Preferably, the above four are respectively matched with the length of the corresponding parts. That is, first shelf portion 21 matches the length of first part 11; the second shelf portion 22 matches the length of the second component part 12; the third shelf part 23 matches the length of the third part 13; the fourth carrier part 24 is adapted to the length of the fourth component part 14. Due to the arrangement, the bracket can support and bear parts more firmly, the fixity of the bracket to the parts is improved, and the technical problem of poor fixity of the bracket to the parts in the prior art is further solved.

Preferably, referring to fig. 2 and 3, in the present embodiment, the bracket includes a first main beam 31, a second main beam 32 and a third main beam 33 which are sequentially arranged at intervals, the first main beam 31 and the third main beam 33 together form the first shelf portion 21, and the first main beam 31 and the second main beam 32 together form the second shelf portion 22, the third shelf portion 23 and the fourth shelf portion 24.

For example, referring to fig. 5, the lengths of the second part 12, the third part 13 and the fourth part 14 are all smaller than the length of the first part 11, and therefore, in the present embodiment, the length of the first frame part 21 is set to be larger than the lengths of the second frame part 22, the third frame part 23 and the fourth frame part 24, so as to adapt to the larger length of the first part 11.

Preferably, referring to fig. 2 and 3, in the present embodiment, a first longitudinal beam 41 is connected between the first main beam 31 and the second main beam 32, and a second longitudinal beam 42 is connected between the first main beam 31 and the third main beam 33.

The arrangement of the first longitudinal beam 41 improves the relative firmness of the first main beam 31 and the second main beam 32, so that the distance between the first main beam 31 and the second main beam 32 is kept more stable; the arrangement of the second longitudinal beam 42 improves the relative firmness of the first main beam 31 and the third main beam 33, and makes the distance between the first main beam 31 and the third main beam 33 more stable.

In summary, the arrangement of the first longitudinal beam 41 and the second longitudinal beam 42 improves the structural strength of the bracket, so that the bracket can bear various parts more reliably.

Preferably, referring to fig. 2 and 3, a third longitudinal beam 43 is connected between the second main beam 32 and the third main beam 33, so that the structural strength of the bracket is further improved.

Optionally, a plurality of first longitudinal beams 41 are provided, and the plurality of first longitudinal beams 41 are arranged at intervals along the length direction of the second main beam 32; alternatively, a plurality of second longitudinal beams 42 are provided, and the plurality of second longitudinal beams 42 are provided at intervals in the longitudinal direction of the third main beam 33. Preferably, the first longitudinal beam 41 is provided in plurality, and the plurality of first longitudinal beams 41 are arranged at intervals along the length direction of the second main beam 32; the second longitudinal beams 42 are provided in plural, and the plural second longitudinal beams 42 are provided at intervals in the longitudinal direction of the third main beam 33.

The arrangement further improves the structural strength of the bracket, so that the bracket can bear various parts more reliably.

Alternatively, the first longitudinal beam 41 is provided with two, three, four, five or six, etc., see fig. 2 and 3, the first longitudinal beam 41 is provided with five.

Alternatively, the second longitudinal beam 42 is provided with two, three, four, five or six, etc., see fig. 2, the second longitudinal beam 42 is provided with two, or, see fig. 3, the second longitudinal beam 42 is provided with three.

Optionally, the first main beam 31, the second main beam 32, the third main beam 33, the first longitudinal beam 41 and the second longitudinal beam 42 are aluminum profiles with cross sections in a shape like a Chinese character ri or a Chinese character kou.

Optionally, the first main beam 31, the second main beam 32, the third main beam 33, the first longitudinal beam 41 and the second longitudinal beam 42 are welded to form the bracket, so that the structure of the bracket meets the strength requirement.

Example two

The second embodiment provides a bracket assembly, the bracket assembly comprises the bracket of the first embodiment, the technical characteristics of the bracket disclosed in the first embodiment are also applicable to the second embodiment, and the technical characteristics of the bracket disclosed in the first embodiment are not repeated. Embodiments of the bracket assembly are described in further detail below with reference to the figures.

Referring to fig. 4 and 7, the bracket assembly provided in this embodiment includes the bracket and a mounting structure 5 fixed to the bracket, where the mounting structure 5 is used to connect a first component 11, a second component 12, a third component 13, and a fourth component 14.

Such setting, each spare part all connects in the bracket through mounting structure 5, replaces spare part lug connection in bracket to change spare part, for example, when needing to be changed spare part, need not change the bracket, only need change mounting structure 5 or change mounting structure 5 the position can, improved the flexibility of spare part installation.

Optionally, the mounting structure 5 is welded to the bracket, and a threaded hole for connecting a component is provided on the mounting structure 5.

Wherein, mounting structure 5 is through welded mode rigid coupling in bracket, has improved the joint strength of mounting structure 5 with the bracket, and threaded connection spare such as screw or bolt connect in the screw hole soon after passing spare part, has realized spare part rigid coupling in mounting structure 5.

Preferably, referring to fig. 4 and 6, in the present embodiment, an expansion bracket 6 for fixing the electric wire 15 of the component is fixed on the mounting structure 5.

With the arrangement, the expansion bracket 6 provides a fixing function for the electric wire 15 of the part on the bracket, and the electric wire 15 is prevented from being bent and damaged to a certain extent.

Preferably, in this embodiment, the expansion bracket 6 is a plastic bracket. Optionally, the expansion bracket 6 is fixed to the mounting structure 5 by means of bonding, screwing, clipping, or fastening.

Wherein, expanding support 6 and being the setting of plastic support, when the vehicle bumps, compare in harder metal material, the easy cracked and driver or passenger of preventing to invade the driver's cabin of expanding support 6 of plastic material has improved bracket assembly collision's security.

As a first way of realisation, please refer to fig. 4, in the present embodiment, the mounting structure 5 comprises a first mounting part 51 provided with at least one first threaded hole 511 and a second mounting part 52 provided with at least two second threaded holes 521.

A plurality of first mounting pieces 51 are fixedly arranged on the first frame part 21, the second frame part 22, the third frame part 23 and the fourth frame part 24 to be correspondingly connected with the parts, or a plurality of second mounting pieces 52 are fixedly arranged on the first frame part 21, the second frame part 22, the third frame part 23 and the fourth frame part 24 to be correspondingly connected with the parts, or a plurality of first mounting pieces 51 and a plurality of second mounting pieces 52 are fixedly arranged on the first frame part 21, the second frame part 22, the third frame part 23 and the fourth frame part 24 to be correspondingly connected with the parts.

Preferably, referring to fig. 4, the first mounting member 51 is provided with one first threaded hole 511, and the second mounting member 52 is provided with two second threaded holes 521.

As a first way of realizing the implementation, please continue to refer to fig. 5, in this embodiment, the first component 11 is a charger, the second component 12 is a motor controller, the third component 13 is a high-voltage distribution box, and the fourth component 14 is a storage battery. First rack unit 21 corresponds to both sides of the charger in the longitudinal direction, and fourth rack unit 24 corresponds to both sides of the battery in the longitudinal direction.

Specifically, the first main beam 31, the second main beam 32 and the third main beam 33 are parallel to each other, the first main beam 31 and the third main beam 33 respectively correspond to two sides of the charger along the length direction, and the first main beam 31 and the second main beam 32 respectively correspond to two sides of the storage battery along the length direction.

Please refer to fig. 5, wherein the lengths of the components are, from large to small, the charger, the motor controller, the storage battery and the high-voltage distribution box. Because the length of the charger is longest, the charger is connected to the first main beam 31 and the third main beam 33 which are spaced from each other at a larger distance.

In addition, the first main beam 31 and the second main beam 32 are parallel to each other, so that the distance between the first main beam 31 and the second main beam 32 is equal everywhere, and the length of the storage battery is between the motor controller and the high-voltage distribution box, so that the lengths of the storage battery, the motor controller and the high-voltage distribution box are balanced relative to the distance between the first main beam 31 and the second main beam 32 when the first main beam 31 and the second main beam 32 respectively correspond to two sides of the storage battery along the length direction, and on the basis that the first main beam 31 and the second main beam 32 of the bracket can have strong bearing performance relative to the storage battery, the motor controller and the high-voltage distribution box, the structure of the bracket is simplified, and the cost of the bracket is reduced.

With continued reference to fig. 4, the first frame portion 21 is fixedly provided with three first mounting members 51 and one second mounting member 52, and the first threaded holes 511 of the three first mounting members 51 and the second threaded holes 521 of the second mounting member 52 are used for connecting the charger.

The second frame part 22 is fixedly provided with two first mounting parts 51 and one second mounting part 52, and the first threaded holes 511 of the two first mounting parts 51 of the second frame part 22, one second threaded hole 521 of the second mounting part 52 of the second frame part 22 and the other second threaded hole 521 of the second mounting part 52 of the first frame part 21 are used for connecting a motor controller.

The third rack portion 23 is fixedly provided with a first mounting piece 51 and a second mounting piece 52, and the first threaded hole 511 of the first mounting piece 51 of the third rack portion 23, the two second threaded holes 521 of the second mounting piece 52 of the third rack portion 23 and the other second threaded hole 521 of the second mounting piece 52 of the second rack portion 22 are used for connecting the high-voltage distribution box.

The fourth shelf portion 24 is fixedly provided with two first mounting pieces 51, and the first threaded holes 511 of the two first mounting pieces 51 of the fourth shelf portion 24 are used for connecting the storage battery.

With this arrangement, the charger is connected to first rack unit 21, the motor controller is connected to second rack unit 22, the high-voltage distribution box is connected to third rack unit 23, and the battery is connected to fourth rack unit 24.

The second mounting part 52 of the first frame part 21 is provided to be capable of connecting the charger and the motor controller at the same time, and the angle at which the second mounting part 52 of the first frame part 21 is welded to the bracket can be adjusted according to the size and position of the motor controller.

The second mounting part 52 of the second stand part 22 is provided to simultaneously connect the motor controller and the high voltage distribution box, and the angle at which the second mounting part 52 of the second stand part 22 is welded to the bracket can be adjusted according to the size and position of the high voltage distribution box.

It should be noted that, after the charger, the motor controller, the high voltage distribution box and the storage battery are respectively connected to the bracket assembly, the bracket assembly is suitable for left-hand steering vehicle types.

Referring to fig. 7, in a second implementation manner, in the present embodiment, the first component 11 is a storage battery, the second component 12 is a high-voltage distribution box, the third component 13 is a motor controller, and the fourth component 14 is a charger.

The fourth frame portion 24 is fixedly provided with four first mounting pieces 51, and the first threaded holes 511 of the four first mounting pieces 51 of the fourth frame portion 24 are used for connecting the storage battery.

The third rack portion 23 is fixedly provided with three first mounting pieces 51 and one second mounting piece 52, and the first threaded holes 511 of the three first mounting pieces 51 of the third rack portion 23 and one second threaded hole 521 of the second mounting piece 52 of the third rack portion 23 are used for connecting the high-voltage distribution box.

The second frame part 22 is fixedly provided with a first mounting part 51 and a second mounting part 52, and the first threaded hole 511 of the first mounting part 51 of the second frame part 22, the two second threaded holes 521 of the second mounting part 52 of the second frame part 22 and the other second threaded hole 521 of the second mounting part 52 of the third frame part 23 are used for connecting a motor controller.

Two first mounting pieces 51 are fixedly arranged on the first frame part 21, and the first threaded holes 511 of the two first mounting pieces 51 of the first frame part 21 are used for connecting a charger.

Optionally, the first mounting element 51 is a mounting block, a mounting plate, or a mounting column provided with a first threaded hole 511, or the first mounting element 51 is a nut provided with the first threaded hole 511 therein. Alternatively, the second mounting element 52 is a mounting block, a mounting plate, a mounting post, or the like, which is opened with two second threaded holes 521. In summary, the shapes of the first and second mounting

members

51 and 52 are not limited.

It should be noted that, after the storage battery, the high-voltage distribution box, the motor controller and the charger are connected to the bracket assembly, the bracket assembly is suitable for a right-handed motorcycle type.

That is to say, this bracket can be applicable to left rudder motorcycle type and can be applicable to right rudder motorcycle type again, only needs the position and the kind of adjustment bracket mounting structure 5 can directly be applicable to left rudder motorcycle type or right rudder motorcycle type, has improved the suitability of bracket, has reduced the cost of bracket.

The bracket assembly of the present embodiment has the advantages of the bracket of the first embodiment, which have been described in detail in the first embodiment, and will not be repeated here.

EXAMPLE III

The third embodiment provides a bracket mounting system, the bracket mounting system comprises the bracket assembly of the second embodiment, the technical characteristics of the bracket assembly disclosed in the second embodiment are also applicable to the third embodiment, and the technical characteristics of the bracket assembly disclosed in the second embodiment are not repeated. Embodiments of the bracket mounting system are described in further detail below with reference to the figures.

Referring to fig. 5, 6 and 8, the bracket mounting system provided in this embodiment includes a first component 11, a second component 12, a third component 13, a fourth component 14 and the bracket assembly, where the first component 11, the second component 12, the third component 13 and the fourth component 14 are all connected to the bracket through the mounting structure 5 of the bracket assembly.

The bracket mounting system of this embodiment has the advantages of the bracket assembly of the second embodiment, which have been described in detail in the second embodiment and will not be repeated here.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The bracket is arranged in a front cabin of a pure electric automobile and comprises a first frame part (21) used for connecting a first part (11), a second frame part (22) used for connecting a second part (12), a third frame part (23) used for connecting a third part (13) and a fourth frame part (24) used for connecting a fourth part (14), wherein at least one of the first frame part (21), the second frame part (22), the third frame part (23) and the fourth frame part (24) is matched with the length of the corresponding part.

2. A bracket according to claim 1, comprising first (31), second (32) and third (33) spaced apart in sequence, the first (31) and third (33) main beams collectively forming the first shelf portion (21), the first (31) and second (32) main beams collectively forming the second (22), third (23) and fourth (24) shelf portions.

3. A carriage in accordance with claim 2, characterized in that a first longitudinal beam (41) is connected between the first main beam (31) and the second main beam (32), and a second longitudinal beam (42) is connected between the first main beam (31) and the third main beam (33).

4. A carrier assembly, comprising a carrier as claimed in any one of claims 1 to 3 and a mounting structure (5) secured to the carrier, the mounting structure (5) being adapted to connect the first component part (11), the second component part (12), the third component part (13) and the fourth component part (14).

5. Bracket assembly according to claim 4, wherein an extension bracket (6) for fixing an electrical wire (15) of a component is fixed to the mounting structure (5).

6. Bracket assembly according to claim 5, characterized in that the extension bracket (6) is a plastic bracket.

7. Bracket assembly according to claim 4, wherein the mounting structure (5) comprises a first mounting piece (51) provided with at least one first threaded hole (511) and a second mounting piece (52) provided with at least two second threaded holes (521);

the first frame part (21), the second frame part (22), the third frame part (23) and the fourth frame part (24) are respectively and fixedly provided with a plurality of first mounting pieces (51) and/or a plurality of second mounting pieces (52).

8. The bracket assembly of claim 7, wherein the first component (11) is a charger, the second component (12) is a motor controller, the third component (13) is a high voltage distribution box, and the fourth component (14) is a battery;

the first frame part (21) corresponds to two sides of the charger along the length direction, and the fourth frame part (24) corresponds to two sides of the storage battery along the length direction.

9. The bracket assembly of claim 7, wherein the first component (11) is a battery, the second component (12) is a high voltage distribution box, the third component (13) is a motor controller, and the fourth component (14) is a charger.

10. A pallet mounting system, characterized in that it comprises a first component part (11), a second component part (12), a third component part (13), a fourth component part (14) and a pallet assembly according to any of claims 4-9, said first component part (11), said second component part (12), said third component part (13) and said fourth component part (14) being connected to the pallet by means of a mounting structure (5) of the pallet assembly.