CN115783050A - Front auxiliary frame of straddle type middle beam new energy vehicle - Google Patents
Front auxiliary frame of straddle type middle beam new energy vehicle Download PDFInfo
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- CN115783050A CN115783050A CN202211401180.5A CN202211401180A CN115783050A CN 115783050 A CN115783050 A CN 115783050A CN 202211401180 A CN202211401180 A CN 202211401180A CN 115783050 A CN115783050 A CN 115783050A
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
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Abstract
The invention relates to the technical field of new energy vehicles and auxiliary frames, in particular to a front auxiliary frame of a straddle type middle beam new energy vehicle. Adopt the structure of middle cross beam partition to set up different mounted positions, the whole preceding sub vehicle frame volume of compact compression, rational arrangement connection and fixed knot construct, let thoughtlessly move engine and gearbox and install. The low-pressure integrated hollow pipe comprises an upper cross beam, a lower cross beam, a left longitudinal beam and a right longitudinal beam which are integrally cast into a frame-shaped structure surrounded by a low-pressure integrated hollow pipe body; the middle seat beam divides the frame hole into a main frame hole for erecting an engine and an auxiliary frame hole for erecting a gearbox respectively, and a middle fixed seat for fixing the head and tail structures of the engine and the gearbox is arranged in the center of the middle seat beam; the left longitudinal beam and the right longitudinal beam are consistent in structure, and a horn base is arranged and a lower swing arm base is arranged beside the horn base; the front inclined seats are obliquely arranged at the joints of the head and tail ends of the upper cross beam and the left longitudinal beam or the right longitudinal beam, and the front inclined seats are divided into two parts and provided with a horn tube seat platform and a front swing arm seat platform.
Description
Technical Field
The invention relates to the technical field of new energy vehicles and auxiliary frames, in particular to a front auxiliary frame of a straddle type middle beam new energy vehicle.
Background
Traditional sub vehicle frame includes that preceding sub vehicle frame and back sub vehicle frame use full aluminium casting or steel full frame front sub vehicle frame usually, like patent number CN202221097382.0 multi-direction aluminium alloy sub vehicle frame of loosing core, main part including whole high pressure casting, the main part includes two crossbeams, two longerons, preceding control arm frame and back control arm frame, the longeron is connected between the crossbeam, the automobile body mounting hole has on the crossbeam, the structure of loosing core to the front and back that extends toward the longeron direction has on the automobile body mounting hole, preceding control arm frame and back control arm frame are connected on the longeron, it has side direction structure of loosing core on the longeron between preceding control arm frame and back control arm frame. The utility model has the advantages of integrate into 1 part with part quantity by 11 parts through the whole casting shaping of aluminum alloy, cancel welding process and equipment process, reduce the product and make the complexity, whole sub vehicle frame falls about 5% about, utilizes around to loose core the structure and to preceding mode of loosing core that the structure has improved each position, whole sub vehicle frame modal performance improves about 8%. Although the technology can be adapted to various vehicle types and platforms, if the technology is adapted to new energy electric and oil hybrid vehicle types, the new energy vehicle types are still not feasible, in order to ensure the endurance mileage and the battery capacity, the whole vehicle quality is heavier compared with the traditional fuel vehicle, the load caused by the heavy quality is increased, a hybrid engine and a gearbox are generally arranged, so that the front sub-frame bears larger load and heavier weight, the whole vehicle quality can be influenced, the achievement of a weight reduction target is realized, the endurance mileage of the whole new energy electric and oil hybrid vehicle is reduced, the reduction of the whole vehicle quality and the complaint of customers are caused, and the front sub-frame with a compact volume structure is needed.
Disclosure of Invention
In order to solve the problem that prior art exists, provide a preceding sub vehicle frame of striding formula centre sill new forms of energy car, adopt the spaced structure of centre sill to set up different mounted positions, the whole preceding sub vehicle frame volume of compact compression, rational arrangement is connected and fixed knot constructs, lets thoughtlessly move engine and gearbox and installs.
The technical scheme adopted by the invention for solving the technical problems is as follows: a front auxiliary frame of a straddle type center sill new energy vehicle comprises an upper cross beam, a lower cross beam, a left longitudinal beam and a right longitudinal beam, wherein the upper cross beam, the lower cross beam, the left longitudinal beam and the right longitudinal beam are integrally cast into a frame structure surrounded by a low-pressure integrated hollow pipe body, and a frame hole is formed in the center of the frame structure; wherein: a middle seat beam is transversely arranged in the frame hole, the middle seat beam divides the frame hole into a main frame hole for erecting an engine and an auxiliary frame hole for erecting a gearbox respectively, and a middle fixed seat for fixing the head and tail structures of the engine and the gearbox is arranged in the center of the middle seat beam;
the left longitudinal beam and the right longitudinal beam are consistent in structure, a cleat seat used for connecting a vehicle body is arranged at the same axis position of the middle seat beam, and a lower swing arm seat is arranged beside the cleat seat; the front inclined seats are obliquely arranged at the joints of the head and tail ends of the upper cross beam and the left longitudinal beam or the right longitudinal beam, and the front inclined seats are divided into two parts and provided with a horn tube seat platform and a front swing arm seat platform. Integrative moulding possess preceding goat's horn pipe individual function and preceding swing arm seat individual function among the replacement prior art of preceding sloping seat, share with stress optimizes entablature and left longeron, anterior segment position about the right longeron, reduce the burden of roof beam body central authorities, let its centralized processing because mix the relevant weight and the stress burden that the engine brought, the well crossbeam structure has been increased, and the goat's horn seat side that corresponds the setting sets up lower swing arm seat integrated configuration, the rear side weight stress of mixing the engine has not only been undertaken, the setting space has still been practiced thrift, the side setting that corresponds still not to interfere the derailleur.
Preferably, the arrangement position of the lower swing arm seat and the arrangement position of the auxiliary frame hole are on the same side. The gravity center is deviated to the rear side, the problem of the weight of an engine is mainly solved, meanwhile, the stress of the wheel transmission structure is transmitted to the rear side of the front auxiliary frame, and the left side and the right side are balanced.
Preferably, the center of the middle seat beam is high, the two sides of the middle seat beam are low, the middle seat beam is in a convex shape, a Chinese character 'ji' shape, an upward convex arc shape or a W shape, the middle fixing seat is arranged at the most central position and is in a three-dimensional shape, an engine connecting table is arranged at the top of the middle fixing seat, and an auxiliary device connecting table for installing a transmission head end fixing structure is arranged in the auxiliary frame hole of the middle fixing seat.
Preferably, the tail ends of the left longitudinal beam and the right longitudinal beam are provided with lower connecting platforms, the lower connecting platforms are provided with a vehicle body connecting seat and an auxiliary frame seat, the vehicle body connecting seat is of a transverse cuboid structure, the whole width of the lower cross beam is the same as that of the vehicle body connecting seat, and the lower cross beam extends from the vehicle body connecting seat to be integrally molded. The lower beam is a concave arc structure because the elasticity for increasing the bearing is arranged, after the auxiliary frame is provided with the engine transmission device, the connecting burden of two sides of the lower beam and the longitudinal beam can be increased inevitably, and the main molding connecting structure of the lower beam is completely connected with the vehicle body connecting seats to form a structure, and then the relatively thick vehicle body connecting seats can be used as connecting positions to enable the bearing beam of the lower beam to ascend and strengthen the stress processing capacity of the connecting positions.
Preferably, the lower cross beam is of a concave arc structure. The arrangement can provide more space for the automobile structure arranged at the position of the rear auxiliary frame hole, and also can have a certain elastic structure, so that excessive collision noise generated after the automobile is arranged hard is reduced in the running process of the automobile.
Preferably, the bottom of the lower swing arm seat is provided with a force reducing block extending and shaping towards the left longitudinal beam and the right longitudinal beam. The stress that pushes down after extending moulding setting subtracts the power piece and can connect the swing arm with swing arm seat down reduces, extends to the extension department of whole left longeron, right longeron and shares, increases swing arm seat down's intensity.
Preferably, the claw tube seat platform is embedded in the front side of the front inclined seat and integrally molded, and a mounting cavity at the bottom of the claw tube seat platform and a mounting cavity of the front swing arm seat platform share one swing arm mounting cavity and are separated by the front plate. The connection structure of goat's horn pipe seat platform is mainly concentrated on the upper end, and the mounting structure of preceding swing arm seat platform is mainly concentrated on the lower extreme, and both integrated moulding settings have avoided mutual structure mutually noninterfere moreover.
Preferably, the open square of the front swing arm seat and the open square of the lower swing arm seat are opposite, the cavity A of the front swing arm seat is arranged downwards, and the cavity B of the lower swing arm seat is arranged upwards. The reverse arrangement can be correspondingly and optimally arranged according to the weight of the engine, the weight of the engine is heavier than that of the transmission, the gravity center of the engine inclines forwards towards the upper cross beam, and the downward concave cavity A is arranged to be square to avoid the abrasion and the separation of the installation position; the concave cavity B of the lower swing arm seat is that the weight matched with the middle seat beam and pressed downwards is transmitted to the middle seat beam in a deviation way to be shared, and the stress capability is optimized.
Preferably, the top of the upper ends of the left longitudinal beam and the right longitudinal beam is provided with an engine side fixing seat, the engine side fixing seat is divided into an upper side fixing seat and a lower side fixing seat, the upper side fixing seat is arranged at the position parallel to the leftmost side of the front inclined seat, and the lower side fixing seat is arranged at the position parallel to the rightmost side of the front inclined seat. The invention has the following beneficial effects: 1. the structure of the mounting seat, the claw seat and the like is well designed, the structure is not the same as that of a steel auxiliary frame and an aluminum auxiliary frame which is not integrated at the same level and needs to be additionally installed, a plurality of parts of a plate structure are not needed, further possibility is provided for reducing the weight of a rear auxiliary frame, the forward significance for reducing the process difficulty is achieved, different mounting positions are arranged by adopting a structure separated by a middle cross beam, the volume of the whole front auxiliary frame is compactly compressed, and a connecting and fixing structure is reasonably arranged to enable a hybrid engine and a gearbox to be installed; 2. integrative moulding possess preceding goat's horn pipe individual function and preceding swing arm seat individual function among the replacement prior art of preceding sloping seat, share with stress optimizes entablature and left longeron, anterior segment position about the right longeron, reduce the burden of roof beam body central authorities, let its centralized processing because mix relevant weight and stress burden that the engine brought, the well crossbeam structure has been increased, and the goat's horn seat side that corresponds the setting sets up lower swing arm seat integrated configuration, the rear side weight stress of mixing the engine has not only been undertaken, the space that sets up has still been practiced thrift, the side structure that corresponds still not to interfere the derailleur sets up.
Drawings
FIG. 1 is an overall top view structural diagram;
FIG. 2 is a view showing the entire structure of the bottom;
FIG. 3 is a front perspective view;
fig. 4 is a side view structural diagram.
Fig. 5 is a rear perspective view.
In the figure: the device comprises an upper cross beam 1, a lower cross beam 2, a left longitudinal beam 3, a right longitudinal beam 4, a frame hole 5, a middle seat beam 6, a main frame hole 7, an auxiliary frame hole 8, a middle fixed seat 9, a claw seat 10, a lower swing arm seat 11, a front inclined seat 12, a claw seat platform 13, a front swing arm seat platform 14, an engine connecting platform 15, an auxiliary device connecting platform 16, a lower connecting platform 17, a vehicle body connecting seat 18, an auxiliary frame seat 19, a force reducing block 20, a swing arm installation cavity 21, a front plate 22, a cavity A23, a cavity B24, an engine side fixed seat 25, an upper side fixed seat 26 and a lower side fixed seat 27.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic diagrams which illustrate the basic structure of the present invention only in a schematic manner, and thus show only the constitution related to the present invention;
in the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the invention.
The front auxiliary frame of the straddle type center sill new energy vehicle comprises an upper cross beam 1, a lower cross beam 2, a left longitudinal beam 3 and a right longitudinal beam 4, wherein the 4 beam body structures are formed by casting and enclosing an aluminum alloy low-pressure integrated hollow pipe body into a frame-shaped structure, and a frame hole 5 is formed in the center of the frame-shaped structure; wherein: the middle center of the frame hole 5 is transversely provided with a middle seat beam 6, the left head end of the middle seat beam 6 is connected to the inner side surface of the left longitudinal beam 3, the right tail end of the middle seat beam 6 is connected to the inner side surface of the right longitudinal beam 4, the middle seat beam 6 divides the frame hole 5 into a main frame hole 7 for respectively erecting an engine and an auxiliary frame hole 8 for erecting a gearbox, the arrangement mainly corresponds to the arrangement of a transmission and the engine respectively, and the center of the middle seat beam 6 is provided with a middle fixed seat 9 for fixing the head and tail structures of the engine and the gearbox; the middle seat beam 6 is high in the center and low in two sides, is in a convex shape or a V shape or an upward convex arc shape or a W shape, the middle fixing seat 9 is arranged at the most central position and is in a three-dimensional shape, the top of the middle fixing seat 9 is provided with an engine connecting platform 15, and the middle fixing seat 9 is provided with a secondary device connecting platform 16 used for installing a transmission head end fixing structure in a secondary frame hole 8. If according to traditional design, can design some connecting rod structures or go on to the design with the size that whole sub vehicle frame corresponds thoughtlessly moving the engine, this kind of design that corresponds is too expensive mould expense, and it is incompatible to correspond a plurality of motorcycle types, it sees to correspond the condition of the multiple motorcycle type of present a section engine, it is too high to design and make too many extensions front sub vehicle frame also with high costs, so adopt the divided structure of centre sill to set up different mounted positions, the whole front sub vehicle frame volume of compact compression, the fixed knot that the engine connection and derailleur are thoughtlessly moved in the rational arrangement, let thoughtlessly move engine and gearbox cooperate respectively and install, it is more reasonable and practice thrift the design like this, production cost, be favorable to the production manufacturer to obtain bigger interests.
In the prior art, if the middle beam structure is designed, the stress of the middle beam structure is reasonably divided, the hardness, the softness and the mode of the middle beam structure are reasonably and maximally optimized, and the middle beam body is generally not directly connected with a vehicle body for the stress optimization condition, so the middle beam body is required to be converted to a corresponding structure of the side beam, and the corresponding design created by the invention is as follows: as shown in fig. 1 and 3, the left longitudinal beam 3 and the right longitudinal beam 4 have the same structure, a horn base 10 for connecting a vehicle body is arranged at the same axial line position of the middle seat beam 6, and a lower swing arm base 11 is arranged beside the horn base 10; the arrangement position of the lower swing arm seat 11 and the arrangement position of the auxiliary frame hole 8 are on the same side. The gravity center is deviated to the rear side, the problem of the weight of an engine is mainly solved, and meanwhile, the stress of the wheel transmission structure is transmitted to the rear side of the front auxiliary frame, so that the balance is realized. The lower swing arm base 11 is provided with a force reducing block 20 which extends and shapes towards the left longitudinal beam 3 and the right longitudinal beam 4 at the bottom. The stress that pushes down after extending moulding setting subtracts the power piece and can connect the swing arm with the swing arm seat down reduces, extends to the extension department of whole left longeron 3, right longeron 4 and shares, increases the intensity of swing arm seat down. A front inclined seat 12 which is obliquely arranged is arranged at the joint of the head end and the tail end of the upper cross beam 1 and the left longitudinal beam 3 or the right longitudinal beam 4, and the front inclined seat 12 is divided into two parts which are provided with a ram-horn tube seat platform 13 and a front swing arm seat platform 14. Integrative moulding possess preceding goat's horn pipe individual function and preceding swing arm seat individual function among the replacement prior art of preceding sloping seat, share with stress optimizes entablature 1 and left longeron 3, anterior segment position about right longeron 4, reduce the burden of roof beam body central authorities, let its centralized processing because mix the relevant weight and the stress burden that the engine brought, the well crossbeam structure has been increased, and the goat's horn seat side that corresponds the setting sets up swing arm seat integrated configuration down, not only bore the rear side weight stress of mixing the engine, the setting space has still been practiced thrift, the side setting that corresponds still not interfering the derailleur.
As shown in fig. 4 and 5, in order to optimize the connection between the lower cross beam and the vehicle body, the tail ends of the left longitudinal beam 3 and the right longitudinal beam 4 are provided with a lower connecting platform 17, a vehicle body connecting seat 18 and a sub-frame seat 19 are arranged on the lower connecting platform 17, the vehicle body connecting seat 18 is of a transverse long cubic structure, and the whole lower cross beam 2 has the same width as the vehicle body connecting seat 18 and extends from the vehicle body connecting seat 18 to be integrally molded. The lower beam 2 is a concave arc structure for increasing the bearing elasticity, and after the auxiliary frame is provided with the engine transmission device, the connecting burden of two sides of the lower beam and the longitudinal beam can be increased inevitably, and the relatively thick and heavy vehicle body connecting seat after the main molding connecting structure of the lower beam is completely connected with the vehicle body connecting seat 18 into a whole structure can be used as a connecting position to enable the bearing beam of the lower beam to ascend and strengthen the stress processing capacity of the connecting position. The lower cross beam 2 is of a concave arc structure. The arrangement can provide more space for the automobile structure arranged at the position of the rear subframe hole 8, and also can have a certain elastic structure, so that excessive collision noise generated after the automobile is arranged too rigidly is reduced in the running process of the automobile.
As shown in fig. 3 and 4, the front cavel base in the prior art is generally a separate structure, and has a structure similar to the cavel base 10, but this arrangement is not feasible in the related design of the beam structure with a center of gravity being above the top, such as strengthening the stress structure, so when the cavel base 13 is integrally cast and molded, the design is integrally molded by being embedded in the front side of the front slanting base 12, and the mounting cavity at the bottom of the cavel base 13 and the mounting cavity of the front swing arm base 14 share one swing arm mounting cavity 21 and are separated by the front plate 22. The connection structure of goat's horn pipe seat platform is mainly concentrated on the upper end, and the mounting structure of preceding swing arm seat platform is mainly concentrated on the lower extreme, and both integrated moulding settings have avoided mutual structure mutually noninterfere moreover. The open square of the front swing arm seat 14 is opposite to that of the lower swing arm seat 11, the cavity A23 of the front swing arm seat 14 is arranged downwards, and the cavity B24 of the lower swing arm seat 11 is arranged upwards. The reverse arrangement can be correspondingly and optimally arranged according to the weight of the engine, the weight of the engine is heavier than that of the transmission, the gravity center of the engine inclines forwards towards the upper cross beam 1, and the downward concave cavity A is arranged along the square shape of the engine to avoid the abrasion and the separation of the installation position; the cavity B of the lower swing arm seat 11 is that the weight matched with the middle seat beam and pressed downwards is transmitted to the middle seat beam in a deviation way to share, and the stress capacity is optimized.
As shown in fig. 1, in order to fix the upper side connecting structure of the engine, such as the connecting plate, an engine side fixing seat 25 is disposed at the top of the upper end of the left longitudinal beam 3 and the right longitudinal beam 4, the engine side fixing seat 25 is divided into an upper side fixing seat 26 and a lower side fixing seat 27, the upper side fixing seat 26 is disposed parallel to the leftmost side of the front inclined seat 12, and the lower side fixing seat 27 is disposed parallel to the rightmost side of the front inclined seat 12. The center of gravity is optimized in parallel, and the maximum stability of the front auxiliary frame can be kept.
The invention is described above with reference to the accompanying drawings, and it is obvious that the implementation of the invention is not limited by the above-described manner, and it is within the scope of the invention to adopt various modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other occasions without any modification.
Claims (7)
1. A front auxiliary frame of a straddle type middle beam new energy vehicle comprises an upper cross beam (1), a lower cross beam (2), a left longitudinal beam (3) and a right longitudinal beam (4), wherein the upper cross beam, the lower cross beam, the left longitudinal beam and the right longitudinal beam are integrally cast into a frame structure surrounded by a low-pressure integrated hollow pipe body, and a frame hole (5) is formed in the center of the frame structure; wherein: a middle seat beam (6) is transversely arranged in the frame hole (5), the middle seat beam (6) divides the frame hole (5) into a main frame hole (7) for erecting an engine and an auxiliary frame hole (8) for erecting a gearbox respectively, and a middle fixed seat (9) for fixing the head and tail structures of the engine and the gearbox is arranged in the center of the middle seat beam (6); the left longitudinal beam (3) and the right longitudinal beam (4) have the same structure, a horn seat (10) for connecting the vehicle body is arranged at the same axial line position of the middle seat beam (6), and a lower swing arm seat (11) is arranged beside the horn seat (10); a front inclined seat (12) which is obliquely arranged is arranged at the joint of the head end and the tail end of the upper cross beam (1) and the left longitudinal beam (3) or the right longitudinal beam (4), and the front inclined seat (12) is divided into two parts and is provided with a claw tube seat platform (13) and a front swing arm seat platform (14); the middle seat beam (6) is high in the center and low in two sides, is in a convex shape or a V shape or an upward convex arc shape or a W shape, the middle fixing seat (9) is arranged at the most central position and is in a three-dimensional shape, an engine connecting table (15) is arranged at the top of the middle fixing seat (9), and a secondary device connecting table (16) used for installing a speed changer head end fixing structure is arranged in a secondary frame hole (8) of the middle fixing seat (9); the rear end of the left longitudinal beam (3) and the rear end of the right longitudinal beam (4) are provided with a lower connecting platform (17), a vehicle body connecting seat (18) and an auxiliary frame seat (19) are arranged on the lower connecting platform (17), the vehicle body connecting seat (18) is of a transverse cuboid structure, the whole width of the lower cross beam (2) is the same as that of the vehicle body connecting seat (18), and the lower cross beam extends from the vehicle body connecting seat (18) to be integrally molded.
2. The front subframe of the new energy vehicle with the straddle-type center sill as claimed in claim 1, wherein: the arrangement position of the lower swing arm seat (11) and the arrangement position of the auxiliary frame hole (8) are on the same side.
3. The front subframe of the new energy vehicle with the straddle-type center sill as claimed in claim 1, wherein: the lower cross beam (2) is of a concave arc structure.
4. The front subframe of the new energy vehicle with the straddle-type center sill as claimed in claim 1, wherein: the bottom of the lower swing arm seat (11) is also provided with a force reducing block (20) which extends and shapes towards the left longitudinal beam (3) and the right longitudinal beam (4).
5. The front subframe of the new energy vehicle with the straddle-type center sill as claimed in claim 1, wherein: the horn tube seat platform (13) is embedded into the front side of the front inclined seat (12) and integrally molded, and a mounting cavity at the bottom of the horn tube seat platform (13) and a mounting cavity of the front swing arm seat platform (14) share a swing arm mounting cavity (21) and are separated by a front plate (22).
6. The front subframe of the new energy vehicle with the straddle-type center sill as claimed in claim 1 or 5, wherein: the open square of the front swing arm seat platform (14) is opposite to that of the lower swing arm seat (11), a concave cavity A (23) of the front swing arm seat platform (14) is arranged downwards, and a concave cavity B (24) of the lower swing arm seat (11) is arranged upwards.
7. The front subframe of the new energy vehicle with the straddle-type center sill as claimed in claim 1, wherein: the engine side fixing seats (25) are arranged at the tops of the upper ends of the left longitudinal beam (3) and the right longitudinal beam (4), the engine side fixing seats (25) are divided into upper side fixing seats (26) and lower side fixing seats (27), the upper side fixing seats (26) are arranged at positions which are parallel to the leftmost side of the front inclined seat (12), and the lower side fixing seats (27) are arranged at positions which are parallel to the rightmost side of the front inclined seat (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211401180.5A CN115783050A (en) | 2022-11-09 | 2022-11-09 | Front auxiliary frame of straddle type middle beam new energy vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211401180.5A CN115783050A (en) | 2022-11-09 | 2022-11-09 | Front auxiliary frame of straddle type middle beam new energy vehicle |
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| CN115783050A true CN115783050A (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211401180.5A Pending CN115783050A (en) | 2022-11-09 | 2022-11-09 | Front auxiliary frame of straddle type middle beam new energy vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116279811A (en) * | 2023-03-31 | 2023-06-23 | 奇瑞汽车股份有限公司 | Automobile front auxiliary frame assembly and assembly method of front auxiliary frame assembly |
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2022
- 2022-11-09 CN CN202211401180.5A patent/CN115783050A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116279811A (en) * | 2023-03-31 | 2023-06-23 | 奇瑞汽车股份有限公司 | Automobile front auxiliary frame assembly and assembly method of front auxiliary frame assembly |
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