CN114348113A - Body structure of new energy automobile CTC - Google Patents

Abstract

The invention provides a vehicle body structure of a new energy vehicle CTC, belonging to the field of machinery, and comprising a substrate, a plurality of modules and a top guard plate; the modules are attached to and arranged above the substrate; the top guard plate is arranged above the module and fixedly connected with the substrate. According to the CTC vehicle body structure of the new energy automobile, a battery pack assembly does not need to be assembled in advance, the battery pack assembly does not need to be transported to a vehicle body for assembly, and the problems of inconvenience in transportation, complex structure and the like of the battery pack caused by non-integrated connection of the battery pack and the vehicle body in the prior art can be effectively solved.

Description

Body structure of new energy automobile CTC

Technical Field

The invention relates to the field of machinery, in particular to a CTC (China traffic control) vehicle body structure of a new energy automobile.

Background

New energy vehicle refers to an automobile using unconventional vehicle fuel as a power source, such as a pure electric vehicle, a hybrid electric vehicle, a plug-in hybrid electric vehicle, a range-extended electric vehicle, a fuel cell electric vehicle, and the like, and electric power of the new energy vehicle is mainly stored in a battery pack. In view of the reasons such as energy density of the current battery pack, endurance requirements of automobiles and the like, the battery pack is usually hundreds of kilograms, and as the battery pack is added to the electric vehicle, the weight of the whole vehicle is increased, so that more fine design of the original vehicle body structure is required. All of the above steps bring great challenges to the development of new energy vehicles with reduced weight.

As shown in fig. 1, the battery pack in the prior art is usually first assembled into a battery pack assembly, and then transported to a final assembly workshop as a whole to be assembled with a vehicle body, so that the transportation cost and the secondary assembly link are increased; the battery pack assembly and the body-in-white are independent individuals respectively, and the two individuals have redundant structures, so that the light weight and the maximum arrangement of the modules are not facilitated. Aiming at the problem, a battery PACK and vehicle body integrated optimization structure is proposed by canceling a PACK structure.

In view of the above, the present invention is particularly proposed.

Disclosure of Invention

The invention provides a vehicle body structure of a new energy vehicle CTC (central control unit), which aims to solve the problems of inconvenient transportation of a battery pack, complicated structure and the like caused by non-integrated connection of the battery pack and a vehicle body in the prior art.

In order to solve the problems, the invention adopts the following scheme:

a new energy automobile CTC vehicle body structure comprises a base plate, a plurality of modules and a top guard plate;

the modules are attached to and arranged above the substrate;

the top guard plate is arranged above the module and fixedly connected with the substrate.

In the scheme, the plurality of modules are directly attached and arranged above the base plate, the battery modules and the vehicle body are directly and integrally assembled, a battery pack assembly does not need to be assembled in advance, and the battery pack assembly does not need to be transported to the vehicle body for assembly, so that the transportation cost and the secondary assembly link are effectively reduced; the top backplate sets up the top of module, and with base plate fixed connection utilizes the top backplate to assemble a plurality of modules and automobile body as an organic whole, reduces redundant structure to solve among the prior art because of the battery package is connected the inconvenient and miscellaneous scheduling problem of structure of battery package transportation that brings with the automobile body non-integration.

Preferably, a plurality of module slots are arranged above the substrate, and at least one module can be placed in each module slot.

The base plate top in this scheme is provided with a plurality of module grooves, utilizes the module groove to place the module, can play certain limiting displacement, every the module groove can place at least one the module, can confirm the quantity of the module of placing in every module groove according to the size and the quantity of module.

Preferably, the side edge of the module groove is composed of a plurality of groups of beam frames which are arranged vertically, and the bottom of the module groove is the substrate;

the base plate is of a rectangular structure, and four edges of the base plate are respectively a front wall lower cross beam, a rear floor front cross beam and two threshold side beams positioned on two sides of a vehicle body; the top guard plate is fixedly connected with the front wall plate lower cross beam, the rear floor front cross beam and the two threshold side beams respectively; the module is directly arranged on the beam frame structure on the upper portion of the floor of the automobile body, so that a redundant structure and an original safety gap are eliminated, the light weight, the maximized arrangement of the module and the compression of a whole automobile size chain are facilitated, the structural integration is realized, and the integral performance of the automobile body is improved.

Preferably, the height of the module is greater than or equal to that of the beam frame, and the module is fixedly connected with the top of the beam frame; the height of the module is greater than or equal to that of the beam frame, the space of the beam frame can be fully utilized, and the module is fixedly connected with the top of the beam frame, so that the battery module is conveniently fixed in the module groove, the module is prevented from shaking during vehicle running, and the safety performance is improved.

Preferably, a plurality of the modules are arranged side by side along the direction from the front wall lower cross beam to the rear floor front cross beam, and each module and the module adjacent to the module are detachably connected through a transverse plate;

when the module is placed in the module groove, the transverse plate is attached to the top of the beam frame; in order to reduce the assembling link, each module in the scheme and the modules adjacent to the module are detachably connected through the transverse plates, each module can be independently and sequentially placed into the module groove, the modules are further fixed in the module groove, when the modules are placed in the module groove, the transverse plates are attached to the top of the beam frame, and the transverse plates can be further fixed to the top of the beam frame in a bolt mode, so that the limiting effect on the modules is achieved.

Preferably, the module groove is of a rectangular structure; the module grooves are distributed above the substrate in an array form and at least form a 2 x 3 array;

wherein 3 is the number of the module grooves arranged along the direction of the straight line where the automobile body of the automobile is located, and each module groove is perpendicular to the direction of the straight line where the automobile body of the automobile is located; the quantity in module groove should be able to satisfy the quantity demand of placing the bank of cells, and avoids the structure to be mixed and disorderly, will in this scheme the module groove is in the top of base plate is array distribution, and becomes 2 x 3's array at least, has both satisfied the regular demand of structure, also can satisfy the demand of quantity to a certain extent.

Preferably, the beam frame comprises a longitudinal beam arranged along the body direction of the automobile and a transverse beam arranged perpendicular to the longitudinal beam;

when the module is placed in the module groove, the transverse plate is attached to the top of the transverse beam and is fixedly connected with the transverse beam; in order to avoid inconvenient assembly, the module is mainly detachably connected with transverse plates arranged on the side edges of the module and transverse plates arranged on the side edges of adjacent modules, and the transverse plates are not arranged on the top ends of the modules, namely when the module is placed in the module groove, the transverse plates are attached to the top of the transverse beam, and pipelines can be arranged above the longitudinal beams in a suspended state.

Preferably, the top guard plate is fixedly connected with the front wall lower cross beam, the rear floor front cross beam and the two threshold side beams through bolts, and sealing parts are arranged at the joints of the top guard plate, the front wall lower cross beam, the rear floor front cross beam and the two threshold side beams; utilize the bolt to fix the top protection plate in the top of module, both can play certain limiting displacement to the module, also can play certain guard action to the module, satisfy indoor arrangement spare assembly needs such as carpet, pencil, seat simultaneously.

Preferably, the heights of the cross beam and the longitudinal beam are consistent, and the transverse plate is fixedly connected with the top of the cross beam through a bolt; the height of the transverse beam is consistent with that of the longitudinal beam, so that the whole structure of the module groove is more neat, the transverse plate is fixedly connected with the top of the transverse beam through a bolt, the module can be further fixed, and the space above the longitudinal beam can be used for laying pipelines.

Preferably, the cross beams are attached to one sides of the front wall panel lower cross beam opposite to one side of the rear floor front cross beam; in order to further fix the modules, the beam is attached to one side, opposite to the front lower beam of the front wall plate and the front beam of the rear floor plate, of the front lower beam of the front wall plate, namely, the two sides of each module can be fixedly connected with the beam as far as possible.

Compared with the prior art, the invention has the following beneficial effects:

according to the vehicle body structure of the new energy vehicle CTC, the modules are directly attached to the upper side of the base plate, namely in the beam frame structure at the upper part of the vehicle floor, the battery modules and the vehicle body are directly and integrally assembled, a battery pack assembly does not need to be assembled in advance, the battery pack assembly does not need to be transported to the vehicle body for assembly, and therefore the transportation cost and the secondary assembly link are effectively reduced;

in addition, the top guard plate is fixedly arranged above the modules and is fixedly connected with the base plate, so that a certain limiting effect can be achieved on the modules, a certain protection effect can be achieved on the modules, the assembling requirements of indoor arrangement parts such as a carpet, a wiring harness and a seat are met simultaneously, and finally a plurality of modules and an automobile body are assembled integrally by utilizing the top guard plate, a battery pack does not need to be transported, a redundant structure can be effectively reduced, and the problems that the transportation of the battery pack is inconvenient and the structure is complicated and the like due to the fact that the battery pack is connected with the automobile body in a non-integrated mode in the prior art are solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of an old-structure vehicle body provided in the background of the invention;

FIG. 2 is a schematic diagram of a new energy automobile CTC provided by the invention for disassembling a body structure;

FIG. 3 is a schematic view of a vehicle body structure combination of a new energy vehicle CTC provided by the invention;

FIG. 4 is a schematic structural diagram of a substrate according to the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of the schematic structure shown in FIG. 3;

FIG. 6 is a cross-sectional view taken along line B-B of the schematic structure shown in FIG. 3;

fig. 7 is a cross-sectional view taken along line C-C of the schematic structure shown in fig. 3.

In the above figures, the list of parts represented by the various reference numerals is as follows:

an old structural vehicle body-a; an old structure battery pack-b; a substrate-101; a dash lower cross member-102; rear floor front cross member-103; a threshold sill-104; a cross-beam-105; a stringer-106; a module-201; a transverse plate-202; a top guard-plate-301; bolt-401.

Detailed Description

In order to make the above and other features and advantages of the present invention more apparent, the present invention is further described below with reference to the accompanying drawings. It is understood that the specific embodiments described herein are for purposes of illustration only and are not intended to be limiting.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Referring to fig. 2 to 7, the vehicle body structure of a new energy vehicle CTC according to the present invention includes a base plate 101, a plurality of modules 201, and a top guard plate 301;

the plurality of modules 201 are attached to and arranged above the substrate 101;

the top protective plate 301 is disposed above the module 201 and is fixedly connected to the substrate 101.

CTC is an abbreviation of Cell to sessions, and can be understood as a further extension of ctp (Cell to pack), and its core lies in that module 201 and packaging process are omitted, and the battery Cell is directly integrated on the automobile Chassis, so as to implement higher degree of integration.

In the scheme, the plurality of modules 201 are directly attached and arranged above the substrate 101, the substrate 101 refers to a vehicle body floor, the modules 201 have functions similar to those of a battery cell in the prior art, the modules 201 are arranged on a beam frame structure at the upper part of the vehicle body floor, the battery modules 201 and the vehicle body are directly and integrally assembled, a battery pack assembly does not need to be assembled in advance, the battery pack assembly does not need to be transported to the vehicle body for assembly, and therefore the transportation cost and the secondary assembly link are effectively reduced; top backplate 301 sets up the top at module 201, and with base plate 101 fixed connection, both can play certain limiting displacement to module 201, also can play certain guard action to module 201, satisfy the carpet simultaneously, the pencil, indoor arrangement such as seat assembly needs, utilize top backplate 301 finally to realize a plurality of modules 201 and the integrative of automobile body assembly, top backplate 301's top level, redundant structure has been reduced, thereby solve among the current situation because of the battery package transport inconvenience and the miscellaneous scheduling problem of structure that battery package and automobile body non-integrated are connected and are brought.

Further, a plurality of module slots are disposed above the substrate 101, and at least one module 201 can be placed in each module slot.

The plurality of module grooves are formed above the substrate 101, the module 201 is placed by the module grooves, a certain limiting effect can be achieved, at least one module 201 can be placed in each module groove, the number of the modules 201 placed in each module groove can be determined according to the size and the number of the modules 201, and the width of each module groove is set to be an integral multiple of the broadband of the module 201 as far as possible, so that the space can be fully utilized; the length of the individual modules 201 should be as close as possible to the length of the module slots.

Furthermore, the side edge of the module groove is composed of a plurality of groups of beam frames which are arranged vertically, and the bottom of the module groove is a substrate 101;

the base plate 101 is of a rectangular structure, and four edges of the base plate are respectively a front wall lower cross beam 102, a rear floor front cross beam 103 and two threshold side beams 104 positioned on two sides of a vehicle body; top backplate 301 respectively with preceding backplate bottom end rail 102, back floor front end rail 103 and two threshold boundary beam 104 fixed connection, directly arrange module 201 in the beam structure on automobile body floor upper portion, recycle the original preceding backplate bottom end rail 102 of automobile body, back floor front end rail 103 and two threshold boundary beams 104 that are located the automobile body both sides will push up backplate 301 and fix in module 201 top, and convenient operation, and need not to do great change to the automobile body structure, and redundant structure and former safety gap have been eliminated, and be favorable to the lightweight, the whole car size chain of module 201 maximize is arranged and compression, structural integration has been realized simultaneously, automobile body wholeness can be promoted.

Further, the height of the module 201 is greater than or equal to that of the beam frame, and the module 201 is fixedly connected with the top of the beam frame; the height that module 201 is more than or equal to the roof beam structure can make full use of roof beam structure space, with the top fixed connection of module 201 and roof beam structure moreover, is convenient for fix battery module 201 in the module inslot, avoids module 201 to rock in the vehicle traveles, promotes the security performance.

Further, a plurality of modules 201 are arranged side by side along the direction from the dash lower cross beam 102 to the rear floor front cross beam 103, and each module 201 and the module 201 adjacent to the module 201 are detachably connected through a transverse plate 202;

when the module 201 is placed in the module groove, the transverse plate 202 is attached to the top of the beam frame; for reducing the link of assembling, every module 201 in this scheme can be dismantled through diaphragm 202 with its adjacent module 201 and be connected, and every module 201 also can be put into the module inslot alone in proper order, for further fixing module 201 in the module inslot, when module 201 was placed at the module inslot, diaphragm 202 laminating was at the top of roof beam structure, accessible bolt 401 mode such as further with diaphragm 202 fixed at the top of roof beam structure to play limiting displacement to module 201.

Furthermore, the module groove is of a rectangular structure; the plurality of module grooves are distributed above the substrate 101 in an array form and at least form a 2 x 3 array;

wherein 3 is the number of module grooves arranged along the direction of the straight line where the automobile body of the automobile is located, and each module groove is perpendicular to the direction of the straight line where the automobile body of the automobile is located; the number of the module grooves can meet the number requirement of the groove group placement, and the messy structure is avoided, in the scheme, the module grooves are distributed above the substrate 101 in an array manner and at least form a 2 x 3 array manner, so that the requirement of regular structure is met, and the number requirement can also be met to a certain extent; the size of the specific array can be adaptively adjusted according to the vehicle type and the voyage.

Further, the beam frame includes a longitudinal beam 106 disposed in the body direction of the automobile and a transverse beam 105 disposed perpendicular to the longitudinal beam 106;

as shown in fig. 4, when the module 201 is placed in the module slot, the cross plate 202 is attached to the top of the cross beam 105 and is fixedly connected to the cross beam 105; in order to avoid the inconvenience of assembling, the module 201 is mainly detachably connected with the transverse plate 202 arranged on the side edge of the module 201 and the transverse plate 202 arranged on the side edge of the adjacent module 201, and the transverse plate 202 is not arranged on the top end of the module, namely when the module 201 is placed in the module groove, the transverse plate 202 is attached to the top of the cross beam 105, and the pipeline can be arranged above the longitudinal beam 106 in a suspended state.

The diaphragm 202 of two adjacent module 201 lateral walls laminates mutually in this scheme, and usable diaphragm 202 couples together two adjacent modules 201 during the use, is provided with the structure that is connected with crossbeam 105 on the diaphragm 202 moreover.

Further, the top guard plate 301 is respectively fixedly connected with the front dash lower cross beam 102, the rear floor front cross beam 103 and the two threshold side beams 104 through bolts 401, and sealing parts are arranged at the joints of the top guard plate 301, the front dash lower cross beam 102, the rear floor front cross beam 103 and the two threshold side beams 104; utilize bolt 401 to fix roof guard plate 301 in the top of module 201, both can play certain limiting displacement to module 201, also can play certain guard action to module 201, satisfy indoor arrangement spare assembly needs such as carpet, pencil, seat simultaneously.

Further, the height of the cross beam 105 is consistent with that of the longitudinal beam 106, and the transverse plate 202 is fixedly connected with the top of the cross beam 105 through a bolt 401; the heights of the cross beam 105 and the longitudinal beam 106 are consistent, so that the overall structure of the module groove is more neat, in other embodiments, the cross beam 105 and the longitudinal beam 106 can be set to different heights, the height of the longitudinal beam 106 can be adjusted according to the amount of pipelines to be distributed, the transverse plate 202 is fixedly connected with the top of the cross beam 105 through the bolt 401, the module 201 can be further fixed, and the space above the longitudinal beam 106 is used for distributing pipelines.

Two transverse plates 202 corresponding to two adjacent modules 201 can be matched with each other, corresponding positions are provided with the same screw hole in a penetrating mode, a nut is arranged at the top of the cross beam 105, and when the connecting device is used, the bolt 401 penetrates through the screw hole and is screwed into the nut to be fixed.

In another embodiment, the two opposite horizontal plates 202 can be engaged or attached to each other, and the edges of the two horizontal plates 202 are provided with semicircular grooves that are engaged with each other, and the two semicircular grooves can be spliced into a circular screw hole, when in use, the bolt 401 is threaded through the screw hole and then screwed into the nut at the top of the cross beam 105 for fixing.

Furthermore, a cross beam 105 is attached to one side of the front dash lower cross beam 102 opposite to the rear floor front cross beam 103; in order to further fix the modules 201, the cross beams 105 are attached to the opposite sides of the lower front coaming cross beam 102 and the front rear floor cross beam 103, that is, the cross plates 202 on the two sides of each module 201 can be fixedly connected with the cross beams 105 as much as possible.

In another preferred embodiment of the present invention, two cross beams 105 and one longitudinal beam 106 are disposed above a base plate 101 (i.e. a vehicle body floor), so that six module slots are formed above the base plate 101, the length of each module slot is slightly greater than the length of the module 201, two modules 201 are disposed side by side in each module slot, two adjacent modules 201 are connected by a transverse plate 202 disposed at the side of the module 201, screw holes are disposed at corresponding positions of the two transverse plates 202, nuts corresponding to the screw holes are disposed at the top of the cross beam 105, after the modules 201 are disposed in the module slots, the modules 201 can be primarily fixed in the module slots by using bolts 401, then the top guard plate 301 is disposed above the module slots, a plurality of screw holes are also disposed on the top guard plate 301, nuts corresponding to the screw holes of the front wall lower cross beam 102, the rear floor front cross beam 103 and the two threshold side beams 104 are disposed, the top guard plate 301 is fixed to the dash lower cross member 102, the rear floor front cross member 103 and the two rocker side members 104 of the automobile by bolts 401, and structural adhesive is applied to the surface where the guard plate 301 is bonded to the floor of the automobile body for sealing. In this embodiment, module 201 is from the assembly of automobile body upper portion, and the operation is convenient, easy maintenance, and through the scheme that professional design's top shroud 301 combines the structure to glue, has realized better being connected and sealed with the automobile body.

According to the new energy automobile CTC vehicle body structure, the battery module 201 and the vehicle body are directly and integrally assembled, a battery pack assembly does not need to be assembled in advance, and the battery pack assembly does not need to be transported to the vehicle body for assembly, so that the transportation cost and the secondary assembly link are effectively reduced; and the redundant structure can be effectively reduced, so that the problems of inconvenient transportation of the battery pack, redundant structure and the like caused by non-integrated connection of the battery pack and the vehicle body in the prior art are solved.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. A CTC (China traffic control) vehicle body structure of a new energy automobile is characterized by comprising a base plate, a plurality of modules and a top guard plate;

the modules are attached to and arranged above the substrate;

the top guard plate is arranged above the module and fixedly connected with the substrate.

2. The CTC vehicle body structure of new energy vehicles according to claim 1, wherein a plurality of module slots are disposed above the base plate, and each module slot can accommodate at least one module.

3. The CTC vehicle body structure of the new energy automobile as claimed in claim 2, wherein the side edges of the module groove are composed of a plurality of sets of beam frames arranged vertically to each other, and the bottom of the module groove is the base plate;

the base plate is of a rectangular structure, and four edges of the base plate are respectively a front wall lower cross beam, a rear floor front cross beam and two threshold side beams positioned on two sides of a vehicle body; the top guard plate is fixedly connected with the front wall plate lower cross beam, the rear floor front cross beam and the two threshold side beams respectively.

4. The CTC vehicle body structure of new energy vehicle of claim 3, wherein the height of the module is greater than or equal to the height of the beam, and the module is fixedly connected to the top of the beam.

5. The CTC vehicle body structure of the new energy vehicle as recited in claim 4, wherein a plurality of the modules are arranged side by side in a direction from the front cowl lower cross member to the rear floor front cross member, and each of the modules and the module adjacent thereto are detachably connected by a cross plate;

when the module is placed in the module groove, the transverse plate is attached to the top of the beam frame.

6. The CTC vehicle body structure of a new energy vehicle of claim 2, wherein the module slot has a rectangular structure; the module grooves are distributed above the substrate in an array form and at least form a 2 x 3 array.

7. The CTC vehicle body structure of the new energy vehicle of claim 6, wherein the beam comprises a longitudinal beam arranged along the vehicle body direction of the vehicle and a transverse beam arranged perpendicular to the longitudinal beam;

when the module is placed in the module groove, the transverse plate is attached to the top of the transverse beam and is fixedly connected with the transverse beam.

8. The CTC vehicle body structure of the new energy vehicle as claimed in claim 7, wherein the roof guard plate is fixedly connected to the dash lower cross member, the rear floor front cross member and the two threshold side members by bolts, and sealing members are disposed at the joints of the roof guard plate and the dash lower cross member, the rear floor front cross member and the two threshold side members.

9. The CTC vehicle body structure of the new energy vehicle as claimed in claim 7 or 8, wherein the cross beam and the longitudinal beam are identical in height, and the cross plate is fixedly connected with the top of the cross beam through a bolt.

10. The CTC vehicle body structure of the new energy vehicle as recited in claim 9, wherein the cross beam is attached to one side of the front cowl lower cross beam opposite to the rear floor front cross beam.

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