CN217294664U - New energy automobile lightweight collision energy-absorbing aluminum alloy sub vehicle frame - Google Patents
New energy automobile lightweight collision energy-absorbing aluminum alloy sub vehicle frame Download PDFInfo
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- CN217294664U CN217294664U CN202221090536.3U CN202221090536U CN217294664U CN 217294664 U CN217294664 U CN 217294664U CN 202221090536 U CN202221090536 U CN 202221090536U CN 217294664 U CN217294664 U CN 217294664U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The utility model belongs to the technical field of the sub vehicle frame, a new energy automobile lightweight collision energy-absorbing aluminum alloy sub vehicle frame is provided, including left longeron, right longeron, intermediate transverse beam, front beam with, rear beam, left front mounting bracket, right front mounting bracket, left back mounting bracket and right back mounting bracket, front beam, intermediate transverse beam pass through butt joint welded connection with left longeron and right longeron and are in the same place, and left front mounting bracket connects on left longeron. The utility model has the advantages that the semi-axle envelope is effectively avoided through the ingenious design of the cross sections with various shapes; the method has the advantages that the method gives full play to the advantages of collision energy absorption of the extruded section, has strong manufacturability, solves the problems of insufficient energy absorption and low yield of the full-cast aluminum auxiliary frame after being bent and cracked in collision, meets the whole vehicle collision requirement of the auxiliary frame, and has high safety; utilize aluminium alloy yields height, production efficiency is high, has reduced manufacturing cost, and installing support in the middle of the optional dress, the different configurations of adaptation reduce the frock cost.
Description
Technical Field
The utility model belongs to the technical field of the sub vehicle frame, a new energy automobile lightweight collision energy-absorbing aluminum alloy sub vehicle frame is related to.
Background
With the higher safety regulations of the electric vehicle, the requirement of energy absorption of the auxiliary frame during collision is higher; environmental protection laws and regulations are more and more strict, the pursuit of the electric vehicle for a large voyage is pursued, and the requirement on the light weight of the automobile is higher and higher; the auxiliary frame structure is required to be completely newly designed by combining an aluminum alloy process and the whole vehicle arrangement of an electric vehicle so as to meet the performance requirement of the auxiliary frame, and the conventional low-pressure cast auxiliary frame has the advantages of low yield, poor collision energy absorption effect, high production cost and incapability of meeting the requirements of collision regulations; the existing steel auxiliary frame tooling is high in cost, is about 30% heavier than an aluminum alloy auxiliary frame, and influences the endurance mileage of the electric vehicle.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem, be to prior art's current situation, and provide an effectual semi-axis envelope of dodging, had the performance of good collision energy-absorbing again, new energy automobile lightweight collision energy-absorbing aluminum alloy sub vehicle frame that manufacturability is strong.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a new energy automobile lightweight collision energy-absorbing aluminum alloy sub vehicle frame, its characterized in that, including left longeron, right longeron, intermediate transverse beam, front beam with, rear cross beam, left front installing support, right front installing support, left back installing support and right back installing support, front cross beam, intermediate transverse beam and left longeron and right longeron pass through butt joint welded connection and be in the same place, left front installing support connects on left longeron, right front installing support connects on right longeron, the one end of left back installing support is passed through bayonet butt joint and is connected with left longeron, the other end of left back installing support is passed through bayonet butt joint and is connected with the rear cross beam, the one end of right back installing support is passed through bayonet butt joint and is connected with right longeron, the other end of right back installing support is passed through bayonet butt joint and is connected with the rear cross beam.
In the light-weight collision energy-absorbing aluminum alloy auxiliary frame for the new energy automobile, the left longitudinal beam and the right longitudinal beam are integrally extruded and molded, wherein the left longitudinal beam is an assembly of a first cross section in a shape like a Chinese character mu and a first cross section in a shape like a Chinese character kou, and the right longitudinal beam is an assembly of a second cross section in a shape like a Chinese character mu and a second cross section in a shape like a Chinese character kou.
In the light-weight collision energy-absorbing aluminum alloy auxiliary frame for the new energy automobile, a third square-shaped section is arranged inside the left front mounting bracket, and a first X-shaped reinforcing rib is arranged inside the left front mounting bracket; the right front mounting bracket is internally provided with a fourth square cross section, and the left front mounting bracket is internally provided with a second X-shaped reinforcing rib.
In foretell new energy automobile lightweight collision energy-absorbing aluminum alloy sub vehicle frame, the junction of left front installing support and left longeron on have a first C type pawl portion, the junction of right front installing support and right longeron on have a second C type pawl portion, left front installing support on the welding have left front automobile body suspension sleeve pipe, right front installing support on the welding have right front automobile body suspension sleeve pipe.
In foretell new energy automobile lightweight collision energy-absorbing aluminum alloy sub vehicle frame, left back installing support on the integrative left motor suspension support that is connected with, at the other integrative left automobile body mounting bracket and left automobile body fixed orifices that is connected with of left motor suspension support, right back installing support on the integrative right motor suspension support that is connected with, at the other integrative right automobile body mounting bracket and right automobile body fixed orifices that are connected with of right motor suspension support.
In foretell new energy automobile lightweight collision energy-absorbing aluminum alloy sub vehicle frame, left longeron and right longeron have and dodge the groove, cold-joining turns to the machine and presses and rivet the sleeve pipe in dodging the groove, middle cross beam cold-joining turns to the machine simultaneously and presses and rivet the sleeve pipe.
In foretell new energy automobile lightweight collision energy-absorbing aluminum alloy sub vehicle frame, left longeron on install left front lower swing arm installing support, left front lower swing arm installing support be pi style of calligraphy, the base fretwork of left front lower swing arm installing support strides left longeron upper surface welding, right longeron on install right front lower swing arm installing support, right front lower swing arm installing support be pi style of calligraphy, the base fretwork of right front lower swing arm installing support strides right longeron upper surface welding.
In foretell new energy automobile lightweight collision energy-absorbing aluminum alloy sub vehicle frame, left longeron on install left middle installing support, right longeron on install right middle installing support, left middle installing support and right middle installing support inside have the reinforcing continuous rib.
In the light-weight collision energy-absorbing aluminum alloy auxiliary frame for the new energy automobile, the left longitudinal beam, the right longitudinal beam, the middle cross beam, the front cross beam, the rear cross beam, the left front mounting bracket and the right front mounting bracket are all formed by aluminum alloy extrusion, and the left front mounting bracket and the right front mounting bracket are formed by aluminum alloy die-casting.
Compared with the prior art, the utility model has the advantages that the semi-axis envelope is effectively avoided through the ingenious design of the cross sections with various shapes; the method has the advantages that the method gives full play to the advantages of collision energy absorption of the extruded section, has strong manufacturability, solves the problems of insufficient energy absorption and low yield of the full-cast aluminum auxiliary frame after being bent and cracked in collision, meets the whole vehicle collision requirement of the auxiliary frame, and has high safety; utilize aluminium alloy yields height, production efficiency is high, has reduced manufacturing cost, and installing support in the middle of the optional dress, the different configurations of adaptation reduce the frock cost.
Drawings
FIG. 1 is a schematic structural diagram of a lightweight collision energy-absorbing aluminum alloy auxiliary frame of the new energy automobile;
FIG. 2 is a schematic diagram of the right side view of the structure of FIG. 1;
FIG. 3 is a schematic structural view of the subframe without the intermediate mounting bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "horizontal", "longitudinal", "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only 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 and operated in a particular orientation, and therefore should not be construed as limiting the scope of the invention.
In the figure; a left longitudinal beam 100; a right longitudinal beam 200; a middle cross member 300; a front cross member 400; a rear cross member 500; a left front mounting bracket 600; a right front mounting bracket 700; a left rear mounting bracket 800; a right rear mounting bracket 900; a bracket 1000 is installed in the middle of the left; a right middle mounting bracket 1001; reinforcing continuous ribs 1002; a first herringbone cross section 1003; a first rectangular cross-section 1004; a second cross-section 1005; a second square cross-section 1006; a third square cross-section 1007; a first X-shaped stiffener 1008; the second X-shaped reinforcing bead 1009; a first C-shaped jaw portion 1010; a second C-shaped pawl portion 1011; left front body mount bushing 1012; a right front vehicle body suspension bushing 1013; an avoidance slot 1014; the steering gear is pressed and riveted with a sleeve 1015; left motor mount bracket 1016; a right motor suspension bracket 1017; a left front lower swing arm mounting bracket 1018; and a right front lower swing arm mounting bracket 1019.
As shown in fig. 1, the new energy automobile lightweight collision energy-absorbing aluminum alloy subframe comprises a left longitudinal beam 100, a right longitudinal beam 200, a middle cross beam 300, a front cross beam 400, a rear cross beam 500, a left front mounting bracket 600, a right front mounting bracket 700, a left rear mounting bracket 800 and a right rear mounting bracket 900, wherein the left longitudinal beam 100, the right longitudinal beam 200, the middle cross beam 300, the front cross beam 400, the rear cross beam 500, the left front mounting bracket 600 and the right front mounting bracket 700 are all formed by aluminum alloy extrusion, the left front mounting bracket 600 and the right front mounting bracket 700 are formed by aluminum alloy die casting, most parts are formed by aluminum alloy extrusion, the weight of the parts is reduced by 30% relative to that of a steel subframe, the requirement of light weight is met, great help is provided for reducing energy consumption and improving the endurance mileage of an electric vehicle, and in addition, the left front mounting bracket 600 and the right front mounting bracket 700 with a plurality of positions are formed by die casting, thereby welding processes have been reduced, possess good collision energy-absorbing effect simultaneously, and the recoverability is strong, the qualification rate is high, with low costs, install left middle installing support 1000 on the left longeron 100, install right middle installing support 1001 on the right longeron 200, installing support 1000 and the inside reinforcing continuous rib 1002 that has of installing support 1001 in the middle of the left side, the joint strength of middle installing support has been guaranteed, as shown in fig. 3, installing support in the middle of the sub vehicle frame here, can be according to different motorcycle type sub vehicle frame rigidity demands, selective installation is on the longeron about, adapt to newly extensively, also can cancel middle installing support, installing support in the middle of through increasing the sub vehicle frame, can promote about, preceding lower swing arm installing support 1019 and steering engine rear mounting point Z to rigidity, be applicable to the motorcycle type of different performance demands.
Specifically, the left longitudinal beam 100 and the right longitudinal beam 200 are integrally extruded, wherein the left longitudinal beam 100 is a combination of a first cross section 1003 and a first square section 1004, the right longitudinal beam 200 is a combination of a second cross section 1005 and a second square section 1006, and machining is combined, so that half-shaft envelope is avoided skillfully, a gap requirement is met, and a good collision energy absorption effect is achieved, a third square section 1007 is arranged inside the left front mounting bracket 600, a first X-shaped reinforcing rib 1008 is arranged inside the left front mounting bracket 600, a fourth square section is arranged inside the right front mounting bracket 700, a second X-shaped reinforcing rib 1009 is arranged inside the left front mounting bracket 600, the square section and the X-shaped reinforcing rib are used for improving the overall rigidity of the subframe and simultaneously playing a good supporting role, and in order to ensure the connection strength, the front cross beam 400, The middle cross beam 300 is connected with the left longitudinal beam 100 and the right longitudinal beam 200 through butt welding, the left front mounting bracket 600 is connected to the left longitudinal beam 100, and the right front mounting bracket 700 is connected to the right longitudinal beam 200.
The left front mounting bracket 600 and the left longitudinal beam 100 are connected through a first C-shaped clamping claw portion 1010, the right front mounting bracket 700 and the right longitudinal beam 200 are connected through a second C-shaped clamping claw portion 1011, a left front vehicle body suspension sleeve 1012 is welded on the left front mounting bracket 600, a right front vehicle body suspension sleeve 1013 is welded on the right front mounting bracket 700, the longitudinal beams are embraced and welded through the C-shaped clamping claw portions, the connection reliability is guaranteed, the whole auxiliary frame is fixed through the vehicle body suspension sleeves, the left longitudinal beam 100 and the right longitudinal beam 200 are stable and firm, the left longitudinal beam 100 and the right longitudinal beam 200 are provided with an avoidance groove 1014, a steering machine press riveting sleeve 1015 is connected in the avoidance groove 1014 in a cold mode, the middle cross beam 300 is simultaneously connected with the steering machine press riveting sleeve 1015 in a cold mode, the press riveting sleeve is used for fixing the steering machine, meanwhile, the sleeves are embedded into the section bars, the occupied external space is reduced, meanwhile, the cold connection mode is adopted, the deformation is reduced, and the precision is high.
As shown in fig. 2, one end of the left rear mounting bracket 800 is connected to the left longitudinal beam 100 by insert type butt welding, the other end of the left rear mounting bracket 800 is connected to the rear cross beam 500 by insert type butt welding, one end of the right rear mounting bracket 900 is connected to the right longitudinal beam 200 by insert type butt welding, the other end of the right rear mounting bracket 900 is connected to the rear cross beam 500 by insert type butt welding, a left motor suspension bracket 1016 is integrally connected to the left rear mounting bracket 800, a left body mounting bracket and a left body fixing hole are integrally connected to the left motor suspension bracket 1016, a right motor suspension bracket 1017 is integrally connected to the right rear mounting bracket 900, a right body mounting bracket and a right body fixing hole are integrally connected to the right motor suspension bracket 1017, welding connection is performed after insertion, so that connection reliability is ensured, a left front lower swing arm mounting bracket 1018 is installed on the left longitudinal beam 100, left front lower swing arm installing support 1018 is pi-shaped, the base fretwork of left front lower swing arm installing support 1018 strides over 100 upper surface welds of left longeron, install right front lower swing arm installing support 1019 on the right longeron 200, right front lower swing arm installing support 1019 is pi-shaped, the base fretwork of right front lower swing arm installing support 1019 strides over 200 upper surface welds of right longeron, here because adopt the base fretwork to subtract heavy, stride over longeron upper surface welds, increase the leg joint strength in whole car collision process, whole low pressure casting sub vehicle frame, possess good collision energy-absorbing effect, and the recoverability is strong, the qualification rate is high, and is with low costs, adopt bilateral symmetry to extrude aluminium alloy sharing extrusion die, reduce mould development cost, size precision is high, satisfy the mode, rigidity requirement, intensity, tired CAE requirement, but possess volume productibility.
It is noted that the description herein of "first," "second," "a," etc. is for descriptive purposes only and is not intended to indicate or imply relative importance or to implicitly indicate 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. The terms "connected," "fixed," and the like are to be construed broadly, e.g., "fixed" may be a fixed connection, a removable connection, or an integral part; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. The utility model provides a new energy automobile lightweight collision energy-absorbing aluminum alloy sub vehicle frame, its characterized in that, including left longeron, right longeron, middle cross beam, front beam with, rear frame member, left front installing support, right front installing support, left back installing support and right back installing support, front beam, middle cross beam and left longeron and right longeron pass through butt welding and connect together, left front installing support connects on left longeron, right front installing support connects on right longeron, the one end of left back installing support is passed through bayonet butt welding and is connected with left longeron, the other end of left back installing support is passed through bayonet butt welding and is connected with the rear frame member, the one end of right back installing support is passed through bayonet butt welding and is connected with right longeron, the other end of right back installing support is passed through bayonet butt welding and is connected with the rear frame member.
2. The new energy automobile lightweight collision energy-absorbing aluminum alloy subframe according to claim 1, wherein the left longitudinal beam and the right longitudinal beam are integrally extruded, wherein the left longitudinal beam is a combination of a first cross section in a shape like a Chinese character mu and a first cross section in a shape like a Chinese character kou, and the right longitudinal beam is a combination of a second cross section in a shape like a Chinese character mu and a second cross section in a shape like a Chinese character kou.
3. The new energy automobile lightweight collision energy-absorbing aluminum alloy subframe according to claim 1 or 2, wherein a third square-shaped cross section is arranged inside the left front mounting bracket, and a first X-shaped reinforcing rib is arranged inside the left front mounting bracket; the right front mounting bracket is internally provided with a fourth square cross section, and the left front mounting bracket is internally provided with a second X-shaped reinforcing rib.
4. The new energy automobile lightweight collision energy-absorbing aluminum alloy subframe is characterized in that a first C-shaped clamping claw part is arranged at the joint of the left front mounting bracket and the left longitudinal beam, a second C-shaped clamping claw part is arranged at the joint of the right front mounting bracket and the right longitudinal beam, a left front automobile body suspension sleeve is welded on the left front mounting bracket, and a right front automobile body suspension sleeve is welded on the right front mounting bracket.
5. The new energy automobile lightweight collision energy-absorbing aluminum alloy subframe according to claim 4, wherein a left motor suspension support is integrally connected to the left rear mounting support, a left automobile body mounting frame and a left automobile body fixing hole are integrally connected to the left motor suspension support, a right motor suspension support is integrally connected to the right rear mounting support, and a right automobile body mounting frame and a right automobile body fixing hole are integrally connected to the right motor suspension support.
6. The new energy automobile lightweight collision energy-absorbing aluminum alloy subframe is characterized in that the left longitudinal beam and the right longitudinal beam are provided with avoidance grooves, steering engine press-riveting sleeves are connected in the avoidance grooves in a cold mode, and the middle cross beam is connected with the steering engine press-riveting sleeves in a cold mode.
7. The new energy automobile lightweight collision energy-absorbing aluminum alloy auxiliary frame according to claim 6, characterized in that a left front lower swing arm mounting bracket is mounted on the left longitudinal beam, the left front lower swing arm mounting bracket is pi-shaped, a base of the left front lower swing arm mounting bracket is hollowed out and welded across the upper surface of the left longitudinal beam, a right front lower swing arm mounting bracket is mounted on the right longitudinal beam, the right front lower swing arm mounting bracket is pi-shaped, and the base of the right front lower swing arm mounting bracket is hollowed out and welded across the upper surface of the right longitudinal beam.
8. The new energy automobile lightweight collision energy-absorbing aluminum alloy subframe is characterized in that a left middle mounting bracket is mounted on the left longitudinal beam, a right middle mounting bracket is mounted on the right longitudinal beam, and reinforcing continuous ribs are arranged inside the left middle mounting bracket and the right middle mounting bracket.
9. The new energy automobile lightweight collision energy-absorbing aluminum alloy auxiliary frame according to claim 1, wherein the left longitudinal beam, the right longitudinal beam, the middle cross beam, the front cross beam, the rear cross beam, the left front mounting bracket and the right front mounting bracket are all formed by aluminum alloy extrusion, and the left front mounting bracket and the right front mounting bracket are formed by aluminum alloy die-casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221090536.3U CN217294664U (en) | 2022-05-07 | 2022-05-07 | New energy automobile lightweight collision energy-absorbing aluminum alloy sub vehicle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221090536.3U CN217294664U (en) | 2022-05-07 | 2022-05-07 | New energy automobile lightweight collision energy-absorbing aluminum alloy sub vehicle frame |
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| Publication Number | Publication Date |
|---|---|
| CN217294664U true CN217294664U (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221090536.3U Active CN217294664U (en) | 2022-05-07 | 2022-05-07 | New energy automobile lightweight collision energy-absorbing aluminum alloy sub vehicle frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217294664U (en) |
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2022
- 2022-05-07 CN CN202221090536.3U patent/CN217294664U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: NINGBO MINTH AUTOMOTIVE PARTS RESEARCH&DEVELOPMENT Co.,Ltd. Assignor: NINGBO XINTAI MACHINERY Co.,Ltd. Contract record no.: X2023980053787 Denomination of utility model: A lightweight collision energy absorbing aluminum alloy subframe for new energy vehicles Granted publication date: 20220826 License type: Common License Record date: 20231225 |
|
| EE01 | Entry into force of recordation of patent licensing contract |