CN219447130U - Front cross beam structure for laser radar and vehicle - Google Patents
Front cross beam structure for laser radar and vehicle Download PDFInfo
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- CN219447130U CN219447130U CN202320965680.5U CN202320965680U CN219447130U CN 219447130 U CN219447130 U CN 219447130U CN 202320965680 U CN202320965680 U CN 202320965680U CN 219447130 U CN219447130 U CN 219447130U
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- 238000003466 welding Methods 0.000 description 7
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- 230000000694 effects Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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Abstract
The utility model relates to the technical field of automobile manufacturing, and discloses a front beam structure for a laser radar and a vehicle, wherein the front beam structure comprises: the front beam body is enclosed with a hollow cavity, the outer surface of the front beam body comprises a bearing surface for bearing the laser radar, and the inner surface of the hollow cavity comprises a first connecting surface opposite to the bearing surface and a second connecting surface opposite to the first connecting surface; and the protrusion is arranged in the hollow cavity, and two ends of the protrusion are respectively connected with the first connecting surface and the second connecting surface. According to the utility model, the hollow cavity is formed by enclosing the plate body on the basis of the front beam, and then the protrusion is arranged in the hollow cavity, so that the support of the laser radar is enhanced, the integral rigidity and the mode of the front beam structure are improved, and the requirement of bearing the laser radar is met.
Description
Technical Field
The utility model relates to the technical field of automobile manufacturing, in particular to a front cross beam structure for a laser radar and a vehicle.
Background
At present, due to the rapid development of new energy automobile markets in China and the popularization of automatic driving functions of automobiles, the laser radar is increasingly widely applied to vehicles in the automatic driving field. By effectively arranging the laser radar, the reliability of the automatic driving system can be remarkably improved. The original laser radar mainly comprises 3 laser radars which are respectively arranged at the two sides of the front and the body of the automobile. Because the cost of the laser radar is higher, in order to reduce the production cost of the whole vehicle, the vehicle with the automatic driving function can enter ordinary families more widely, and the arrangement form and the quantity of the laser radar are required to be redesigned.
Therefore, the prior art proposes to arrange the lidar on the roof front rail in a roof arrangement and reduce the number thereof to one. However, in the application process, the laser radar has the characteristic of larger weight due to the fact that the laser radar is intersected with other types of traditional radars, and jolt in the vehicle running process causes the problems that the template effect of the existing front beam is poor, the top cover front beam is easy to deform, resonance abnormal sound is generated, and the positioning accuracy of the laser radar is reduced.
Disclosure of Invention
Based on the above, the main purpose of the utility model is to provide a front beam structure for a laser radar and a vehicle, which can strengthen the supporting effect of the front beam structure and effectively meet the requirement of bearing the laser radar.
According to an aspect of an embodiment of the present utility model, there is provided a front beam structure for a laser radar, the front beam structure including: the front beam body is enclosed with a hollow cavity, the outer surface of the front beam body comprises a bearing surface for bearing the laser radar, and the inner surface of the hollow cavity comprises a first connecting surface opposite to the bearing surface and a second connecting surface opposite to the first connecting surface; and the protrusion is arranged in the hollow cavity, and two ends of the protrusion are respectively connected with the first connecting surface and the second connecting surface.
In an alternative way, the front cross member body includes: a front cross beam outer plate defining a bearing surface and a first connection surface; a front cross beam inner plate defining a second connection face; the front beam outer plate and the front beam inner plate are fixedly connected with each other and enclose a hollow cavity.
In an alternative mode, the front beam outer plate and the front beam inner plate are welded and connected at the periphery; two ends of the protrusion are respectively welded with the first connecting surface and the second connecting surface.
In an alternative mode, the protrusion is provided with a mounting point for being connected with a laser radar, and when the laser radar is mounted on the bearing surface, a connecting piece for fixedly mounting the laser radar passes through the front beam outer plate and is connected with the mounting point.
In an alternative mode, the protrusion extends to the side wall of the hollow cavity along the length direction of the front beam structure and is fixedly connected with the side wall.
In an alternative mode, two ends of the front beam structure in the length direction are respectively connected with side wall structures on two sides of the automobile; the side wall structure comprises a side wall outer plate and a side wall inner plate, wherein the end part of the side wall outer plate and the end part of the side wall inner plate inwards extend to form a lap joint platform, the end part of the front beam outer plate and the end part of the front beam inner plate outwards extend to form a lap joint outer edge, and the lap joint outer edge is carried above the lap joint platform and fixedly connected with the lap joint platform.
In an alternative mode, the side wall structure further comprises a beam connecting plate, one end of the beam connecting plate is fixedly connected with the side wall inner plate, and the other end of the beam connecting plate is supported at the bottom of the front beam inner plate and is fixedly connected with the front beam inner plate.
In an alternative mode, the side wall structure further comprises a side wall reinforcing plate, one end of the side wall reinforcing plate is inserted and fixed between the side wall outer plate and the side wall inner plate, and the other end extends to the direction of the front cross beam structure to exceed the lap joint platform; the lap joint outer edge is carried above the side wall reinforcing plate and is fixedly connected with the side wall reinforcing plate.
In an alternative mode, the front beam outer plate extends to exceed the front beam inner plate in the direction of the side wall structure, and the end part of the front beam outer plate is carried above the side wall outer plate and is fixedly connected with the side wall outer plate; the front beam inner plate is carried above the side wall reinforcing plate and fixedly connected with the side wall reinforcing plate.
According to another aspect of an embodiment of the present utility model, there is provided a vehicle including any one of the front beam structures for a lidar described above.
According to the technical scheme, the hollow cavity is formed by enclosing the plate body on the basis of the front beam, and the protrusions are arranged in the hollow cavity, so that the support to the laser radar is enhanced, the overall rigidity and the mode of the front beam structure are improved, the risk of local deformation of the bearing surface of the front beam structure under the action of the laser radar is reduced, and the requirement of bearing the laser radar is met.
The foregoing description is only an overview of the technical solutions of the embodiments of the present utility model, and may be implemented according to the content of the specification, so that the technical means of the embodiments of the present utility model can be more clearly understood, and the following specific embodiments of the present utility model are given for clarity and understanding.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a transverse cross-sectional view of a front cross-beam structure for a lidar provided by an embodiment of the present utility model;
FIG. 2 is a longitudinal cross-sectional view of a junction of a front cross-beam structure and a side wall structure provided by an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of another front beam structure for a lidar provided by an embodiment of the present utility model;
FIG. 4 is a longitudinal cross-sectional view of another front cross-beam structure and side frame structure connection provided in accordance with an embodiment of the present utility model;
FIG. 5 is a schematic view of another front cross member inner panel provided by an embodiment of the present utility model;
fig. 6 is an enlarged schematic view at a in fig. 5.
Icon:
1-front beam structure, 11-front beam body, 111-hollow cavity, 112-front beam outer plate, 1121-bearing surface, 1122-first connecting surface, 113-front beam inner plate, 1131-second connecting surface, 1132-side wall, 12-protrusion, 121-mounting point, 13-lap joint outer edge;
2-lidar, 21-connector;
the side wall comprises a 3-side wall structure, a 31-side wall outer plate, a 32-side wall inner plate, a 33-lap joint platform, a 34-beam connecting plate and a 35-side wall reinforcing plate.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Referring to fig. 1 and 2, an embodiment of the present utility model proposes a front beam structure for a laser radar 2, the front beam structure including a front beam body 1 and a protrusion 12, the front beam body 1 enclosing a hollow cavity 111, an outer surface of the front beam body 1 including a carrying surface 1121 for carrying the laser radar 2, an inner surface of the hollow cavity 111 including a first connection surface 1122 opposite to the carrying surface 1121, and a second connection surface 1131 opposite to the first connection surface 1122; the protrusion 12 is disposed in the hollow cavity 111, and both ends of the protrusion 12 are connected to the first connection surface 1122 and the second connection surface 1131, respectively.
According to the embodiment, on the basis of the front beam, the hollow cavity 111 is formed by enclosing the attachment plate body, and the force is transmitted through the protrusions 12 arranged in the hollow cavity 111, so that the support to the laser radar 2 is enhanced, the overall rigidity and the mode of the front beam structure are improved, the risk that the bearing surface 1121 in the front beam structure is locally deformed due to the weight influence of the laser radar 2 is reduced, the requirement of bearing the laser radar 2 is met, and the positioning precision of the laser radar 2 is improved.
Regarding the specific structure of the above-described projection 12, in the present embodiment, in order to meet the requirement of light weight, the projection 12 is arranged in a concave shape, that is, the vertical section of the projection 12 is in a shape of a letter of a few, and this structure has a desired structural strength while also having a light weight, thereby meeting the requirement of light weight design. Of course, the practitioner may set the projection 12 to a solid shape without affecting the purpose of the utility model, which is not particularly limited in this application.
Further, the front cross member body 1 includes a front cross member outer plate 112 and a front cross member inner plate 113, wherein the front cross member outer plate 112 defines a bearing surface 1121 and a first connection surface 1122, the front cross member inner plate 113 defines a second connection surface 1131, and the front cross member outer plate 112 and the front cross member inner plate 113 are fixedly connected to each other and enclose a hollow cavity 111. The front beam body 1 is divided into an inner plate and an outer plate, so that the construction and the processing of the plate modeling and the setting of the protrusions 12 are convenient. Specifically, as shown in fig. 1, in the present embodiment, the middle portion of the front cross member inner plate 113 is recessed to enclose the hollow cavity 111 after the front cross member outer plate 112 and the front cross member inner plate 113 are fixedly connected to each other. In other embodiments, the middle portion of the front beam outer plate 112 may be protruded upward to enclose the hollow cavity 111 after the front beam outer plate 112 and the front beam inner plate 113 are fixedly connected to each other.
Further, in the present embodiment, the front cross member outer plate 112 and the front cross member inner plate 113 are welded around; meanwhile, two ends of the protrusion 12 are respectively welded and connected with the first connecting surface 1122 and the second connecting surface 1131, so that the front beam outer plate 112 and the front beam inner plate 113 are connected into a whole at the joint of the laser radar 2, and the two can be effectively and tightly connected in a welding mode without additionally adding connecting structures such as a bolt mounting plate and the like, thereby effectively reducing the number of parts and improving the mounting rigidity. In the present embodiment, the front cross member outer plate 112 and the front cross member inner plate 113, the projection 12 and the first connection surface 1122, and the projection 12 and the second connection surface 1131 may be welded by a spot welding process; in other embodiments, the welded ends may be welded by a full-welding process, so that the welded ends become a fully-sealed structure with no gaps after welding, thereby improving the service life and making the connection more stable. It should be noted that, in the present embodiment, the contact surface of the protrusion 12 for contacting the first connecting surface 1122 is in a flat shape, so as to improve the force transmission effect.
Further, as shown in fig. 1, the protrusion 12 is provided with a mounting point 121 for being connected with the laser radar 2, in this embodiment, the protrusion 12 is a hollow boss structure, the mounting point 121 is a mounting hole formed in the upper end face of the protrusion 12, when the laser radar 2 is mounted on the bearing surface 1121, a connecting piece 21 for fixedly mounting the laser radar 2 can penetrate through the front beam outer plate 112 and the mounting point 121 as a bolt, so that the laser radar 2 and the protrusion 12 are connected and fixed, the connection stability of the laser radar 2 is further improved, and the overall rigidity and the mode of the front beam structure are effectively improved.
It is to be understood that, when the connecting member 21 is connected to the mounting point 121, a corresponding structure, such as a through hole, for passing through the connecting member 21 is disposed at a position of the front beam outer plate 112 corresponding to the mounting point 121, which is not described herein. The protrusion 12 may also be a solid structure, a frame structure, an arch structure, a boss structure, or other shaped structures, which mainly serve as a supporting and reinforcing structure of the lidar 22, and can support the lidar 22 and transmit force, and the specific shape is not limited and will not be described herein.
Further, as shown in fig. 3 to 6, the protrusion 12 may also extend to the side wall 1132 of the hollow cavity 111 along the length direction of the front beam structure 1, and be fixedly connected to the side wall 1132. At this time, the protrusions 12 may serve as reinforcing beams, and cross the hollow cavity 111 in the longitudinal direction of the front beam structure 1 and connect the side walls 1132 at both ends, thereby further improving the rigidity and the mode of the front beam. It will be appreciated that the hollow cavity 111 in this embodiment is formed by recessing the middle portion of the front rail inner plate 113 and fixedly connecting the front rail outer plate 112 and the front rail inner plate 113 to each other, so that the side wall 1132 is actually formed by the front rail inner plate 113, which is a part of the front rail inner plate 113. The fixed connection of the protrusion 12 and the sidewall 1132 is preferably a welded connection by a spot welding process, so as to reduce the number of parts and improve the installation rigidity.
Further, as shown in fig. 2 and fig. 4, two ends of the front beam structure 1 in the length direction are respectively connected with side wall structures 3 on the left side and the right side of the automobile; the side wall structure 3 comprises a side wall outer plate 31 and a side wall inner plate 32, wherein the end part of the side wall outer plate 31 and the end part of the side wall inner plate 32 extend inwards (the direction of the front beam structure 1) to form a lap joint platform 33, the end part of the front beam outer plate 112 and the end part of the front beam inner plate 113 extend outwards (the direction of the side wall structure 3) to form a lap joint outer edge 13, and the lap joint outer edge 13 is carried above the lap joint platform 33 and is fixedly connected with the lap joint platform 33 so as to improve the connection stability of the front beam structure 1. It can be understood that the fixed connection mode between the lapping outer edge 13 and the lapping platform 33 can be welding, so as to reduce the number of parts and improve the connection stability; the detachable connection of the front beam structure 1 and the side wall structure 3 can be realized through the bolt connection, so that the front beam structure 1 can be maintained and replaced in the later period conveniently.
Further, as shown in fig. 2 and 4, the side wall structure 3 further includes a beam connecting plate 34, one end of the beam connecting plate 34 is fixedly connected with the side wall inner plate 32, and the other end is supported on the bottom of the front beam inner plate 113 and is fixedly connected with the front beam inner plate 113. Through the setting of crossbeam connecting plate 34, can increase the connected node of a side wall structure 3 and front beam structure 1, improve the connection stability of both to effectively share the load through the connected mode that holds in the palm the year, improve the overall rigidity and the stability of front beam structure 1.
Further, as shown in fig. 2 and 4, the side wall structure 3 further includes a side wall reinforcing plate 35, one end of the side wall reinforcing plate 35 is inserted and fixed between the side wall outer plate 31 and the side wall inner plate 32, and the other end extends to the direction of the front beam structure 1 beyond the lap joint platform 33; the lap joint outer edge 13 is carried above the side wall reinforcing plate 35 and fixedly connected with the side wall reinforcing plate 35. Through the setting of side wall reinforcing plate 35, can increase a joint with front beam structure 1 again, improve front beam structure 1's load bearing capacity, improve front beam structure 1's overall rigidity and stability. It will be appreciated that the side gusset 35 may be inserted into and fixed to one end between the side outer panel 31 and the side inner panel 32, and may be fixedly connected to the side gusset structure 3, or may be fixedly connected to the body frame, so that support and force transmission may be achieved.
Further, as shown in fig. 2 and 4, the front beam outer panel 112 extends in the direction of the side wall structure 3 beyond the front beam inner panel 113, and an end portion of the front beam outer panel 112 is mounted above the side wall outer panel 31 and fixedly connected with the side wall outer panel 31; the front cross member inner plate 113 is mounted above the side gusset 35 and fixedly connected to the side gusset 35. Through the mode of carrying out hierarchical connection with front beam planking 112 and front beam inner panel 113 at the tip, can realize effectively that the load is differentiated, especially under the circumstances that side wall reinforcing plate 35 carries out fixed connection with the automobile body frame, the load that front beam planking 112 received is transmitted to side wall structure 3 promptly, and the load that front beam inner panel 113 received can directly transmit to the automobile body frame through side wall reinforcing plate 35 to further improve front beam structure 1's bearing capacity, improve laser radar 22's connection stability, promote front beam structure 1's overall rigidity and modal.
It will be appreciated that the fixing connection manner of the beam connecting plate 34 and the side wall inner plate 32/the front beam inner plate 113, the fixing connection manner of the front beam outer plate 112 and the side wall outer plate 31, the fixing connection manner of the front beam inner plate 113 and the side wall reinforcing plate 35, and the fixing connection manner of the side wall reinforcing plate 35 and the side wall structure 3\vehicle body frame may be welding or bolting, and will not be repeated here.
In addition, the embodiment of the utility model also provides a vehicle, which comprises the front beam structure for the laser radar, which is described in any embodiment. Because the front beam structure has the technical effects, the vehicle with the front beam structure should have corresponding technical effects, and will not be described in detail herein.
The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the modifications of the equivalent structures described in the specification and drawings of the present utility model or the direct/indirect application of the present utility model to other related technical fields are included in the scope of the present utility model.
Claims (10)
1. A front beam structure for a lidar, the front beam structure comprising:
the front beam body is enclosed with a hollow cavity, the outer surface of the front beam body comprises a bearing surface for bearing the laser radar, and the inner surface of the hollow cavity comprises a first connecting surface opposite to the bearing surface and a second connecting surface opposite to the first connecting surface; and
the protrusion is arranged in the hollow cavity, and two ends of the protrusion are respectively connected with the first connecting surface and the second connecting surface.
2. The front beam structure for a lidar of claim 1, wherein the front beam body comprises:
a front cross member outer plate defining the bearing surface and the first connecting surface;
a front cross member inner plate defining the second connection surface;
the front beam outer plate and the front beam inner plate are fixedly connected with each other and enclose the hollow cavity.
3. The front cross beam structure for a laser radar according to claim 2, wherein the front cross beam outer plate and the front cross beam inner plate are welded around; and two ends of the protrusion are respectively welded with the first connecting surface and the second connecting surface.
4. A front cross beam structure for a lidar according to claim 3, wherein the projection is provided with a mounting point for connection with the lidar, and a connector for fixedly mounting the lidar is connected to the mounting point through the front cross beam outer plate when the lidar is mounted on the bearing surface.
5. The front beam structure for a lidar of claim 4, wherein the protrusion extends to a side wall of the hollow cavity in a length direction of the front beam structure and is fixedly connected to the side wall.
6. The front cross beam structure for a lidar according to any of claims 2 to 5, wherein both ends in the longitudinal direction of the front cross beam structure are respectively connected to side wall structures on both sides of the car; the side wall structure comprises a side wall outer plate and a side wall inner plate, wherein an overlap joint platform is formed by inwards extending the end part of the side wall outer plate and the end part of the side wall inner plate, an overlap joint outer edge is formed by outwards extending the end part of the front cross beam outer plate and the end part of the front cross beam inner plate, and the overlap joint outer edge is carried above the overlap joint platform and fixedly connected with the overlap joint platform.
7. The front cross beam structure for a lidar of claim 6, further comprising a cross beam connecting plate, wherein one end of the cross beam connecting plate is fixedly connected with the side wall inner plate, and the other end is supported on the bottom of the front cross beam inner plate and is fixedly connected with the front cross beam inner plate.
8. The front cross beam structure for a lidar of claim 7, wherein the side wall structure further comprises a side wall reinforcing plate, one end of the side wall reinforcing plate is inserted and fixed between the side wall outer plate and the side wall inner plate, and the other end extends to the direction of the front cross beam structure to exceed the lap joint platform; the lap joint outer edge is carried above the side wall reinforcing plate and fixedly connected with the side wall reinforcing plate.
9. The front cross beam structure for a lidar of claim 8, wherein the front cross beam outer plate extends beyond the front cross beam inner plate in the direction of the side wall structure, and an end portion of the front cross beam outer plate is mounted above the side wall outer plate and fixedly connected with the side wall outer plate; the front beam inner plate is carried above the side wall reinforcing plate and fixedly connected with the side wall reinforcing plate.
10. A vehicle comprising a front cross-beam structure for a lidar as claimed in any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320965680.5U CN219447130U (en) | 2023-04-25 | 2023-04-25 | Front cross beam structure for laser radar and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320965680.5U CN219447130U (en) | 2023-04-25 | 2023-04-25 | Front cross beam structure for laser radar and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219447130U true CN219447130U (en) | 2023-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320965680.5U Active CN219447130U (en) | 2023-04-25 | 2023-04-25 | Front cross beam structure for laser radar and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219447130U (en) |
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2023
- 2023-04-25 CN CN202320965680.5U patent/CN219447130U/en active Active
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