CN212125352U - Aluminum body mule car body connecting piece and car body installation matching device - Google Patents
Aluminum body mule car body connecting piece and car body installation matching device Download PDFInfo
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- CN212125352U CN212125352U CN201922378256.7U CN201922378256U CN212125352U CN 212125352 U CN212125352 U CN 212125352U CN 201922378256 U CN201922378256 U CN 201922378256U CN 212125352 U CN212125352 U CN 212125352U
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Abstract
The utility model provides an aluminium automobile body mule car body connecting piece and body installation matching device, including the long banding cradling piece of two parallel arrangement and the first to fourth locating bar subassembly of interval setting on this cradling piece, first and second locating bar subassembly sets up respectively at the cradling piece both ends, and third and fourth locating bar subassembly set up in the centre. The first positioning rod assembly comprises a first mounting column, a first positioning rod, a first positioning column and a positioning pin; the second positioning rod assembly comprises a second positioning rod, a second positioning column and a positioning pin; the third positioning rod assembly is close to the first positioning rod assembly and comprises a third mounting column, a third positioning rod, a third positioning column and a positioning pin; the fourth positioning rod assembly is close to the second positioning rod assembly and comprises a fourth positioning rod, a fourth positioning column and a positioning pin. The position of the locating pin in the first locating rod assembly is the highest, the position of the locating pin in the third locating rod assembly is the next highest, and the positions of the locating pins in the second and fourth locating rod assemblies are flush.
Description
Technical Field
The utility model belongs to the technical field of car aluminium automobile body mule car, concretely relates to device that is applicable to aluminium automobile body mule car body connecting piece and automobile body installation matching specially.
Background
With the rapid development of the automobile industry, the popularization degree of automobiles is also higher and higher. Under the background of environmental protection and large energy conservation and emission reduction, the popularization rate of gasoline vehicles is lower and higher in the future, and the popularization rate of electric vehicles is higher and higher. However, the current technical background is that the endurance mileage of an electric vehicle is a short plate, the weight of a pure battery is relatively heavy, and in order to improve the mileage, the main engine plant adopts a scheme of reducing the weight of the vehicle body. Because aluminum density is lower than iron, the weight of the whole automobile body can be reduced by at least half by adopting the aluminum automobile body, so the aluminum automobile body is the main development trend at present.
The manufacturing process of the aluminum automobile body is not mature compared with the currently used sheet metal automobile body, so that a lot of manufacturing process details need to be paid attention to and avoided. Taking the manufacturing of an aluminum vehicle body mule vehicle as an example, when manufacturing, firstly selecting an aluminum vehicle body or selecting the vehicle body of a vehicle which is already produced in mass in the market, and then matching with a new chassis power system, a motor and the like to verify the newly designed chassis and the power system. Because the chassis power system and the motor system are newly designed, most of the modification work is concentrated on the selected vehicle body, and four vehicle body hard points corresponding to the front frame and the rear frame on the chassis are probably required to be manufactured again.
When needing to make again, normal panel beating mule car body manufacturing scheme is that the front and back respectively designs four high strength's supports (also called automobile body connecting piece), then fixes these support positions with anchor clamps, and the reuse welded mode is fixed these supports on the automobile body. Because the deformation of the iron sheet metal car body after cutting is relatively small, the car body connecting piece is usually welded with the car body after being positioned by a clamp after cutting, and the tolerance can be well controlled.
However, the deformation of the aluminum vehicle body is relatively large, the shape of the whole vehicle body may be deformed after the vehicle body is cut, and the connection between the vehicle body connecting piece and the vehicle body cannot be welded due to relatively low melting point of aluminum, and an aluminum sheet metal in a welding area may be melted by welding, so that a connection mode of structural adhesive and riveting (pneumatic core-pulling riveting) is generally adopted. Meanwhile, because the two aluminum plates are not tightly attached during riveting, the metal plate can be subjected to tensile deformation after the blind rivet is assembled, so that the final installation hard point has deviation from the actual use requirement, and the finally modified hard point of the automobile body has larger tolerance and cannot meet the test use requirement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a go on for solving above-mentioned problem, to the characteristics of aluminium automobile body and the structural design of current automobile body connecting piece one kind with the installation matching device of the two adaptation, the realization is rectified and is corresponding with the automobile body to the automobile body connecting piece mounting point. In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an aluminium automobile body mule car body connecting piece and body installation matching device has such technical characteristic, including the rectangular form cradling piece of two parallel arrangement and the first to fourth locating bar subassembly of interval setting on this cradling piece, first locating bar subassembly and second locating bar subassembly set up respectively at the cradling piece both ends, and third locating bar subassembly and fourth locating bar subassembly set up in the centre.
The first positioning rod assembly comprises two first mounting columns which are fixedly arranged on the support rod respectively, a first positioning rod which is fixedly arranged on the first mounting columns, first positioning columns which are fixedly arranged on two ends of the first positioning rod and positioning pins which are fixedly arranged on the first positioning columns;
the second positioning rod assembly comprises a second positioning rod fixedly arranged at the end part of the support rod, a second positioning column fixedly arranged at the two ends of the second positioning rod and a positioning pin fixedly arranged on the second positioning column;
the third positioning rod component is close to the first positioning rod component and comprises two third mounting columns which are respectively fixedly arranged on the bracket rod, a third positioning rod which is fixedly arranged on the third mounting column, third positioning columns which are fixedly arranged on two ends of the third positioning rod and positioning pins which are fixedly arranged on the first positioning column;
the fourth positioning rod assembly is close to the second positioning rod assembly and comprises a fourth positioning rod fixedly mounted on the support rod, fourth positioning columns fixedly arranged at two ends of the second positioning rod and positioning pins fixedly mounted on the fourth positioning columns.
The position of the positioning pin in the first positioning rod assembly is highest, the position of the positioning pin in the third positioning rod assembly is next, and the positions of the positioning pins in the second positioning rod assembly and the fourth positioning rod assembly are flush.
Preferably, the utility model provides an aluminium automobile body mule car body connecting piece and automobile body installation match device, the height of first erection column is the twice of third erection column height.
Preferably, the utility model provides an aluminium automobile body mule car body connecting piece and automobile body installation matching device, the height of second to fourth reference column is the same, for 1/5 to 1/4 of first reference column height.
Preferably, the utility model provides an aluminium automobile body mule car body connecting piece and automobile body installation matching device, first to fourth locating lever is isometric, the second locating lever with fourth locating lever and cradling piece are located the coplanar.
Preferably, the utility model provides an aluminium automobile body mule car body connecting piece and automobile body installation matching device, the terminal surface of second locating lever is fixed to be set up on the terminal surface of cradling piece, and the embedding of fourth locating lever sets up in the cradling piece.
Preferably, the utility model provides an aluminium automobile body mule car body connecting piece and automobile body installation matching device, cradling piece and first to fourth locating bar subassembly adopt 45 steel pipe processing to make.
Preferably, the utility model provides an aluminium automobile body mule car body connecting piece and body mounting match device, locating pin and the spacing hole phase-match of aluminium automobile body bottom in first locating lever subassembly and the second locating lever subassembly, the locating pin in third locating lever subassembly and the fourth locating lever subassembly is fixed a position the relative position between automobile body connecting piece and the automobile body.
Action and effect of the utility model
When the aluminum body mule vehicle body connecting piece and the vehicle body installation matching device provided by the utility model are used, the positioning pins in the first positioning rod assembly and the second positioning rod assembly are matched with the limiting hole at the bottom of the aluminum body and are fixed by the bolt; and then positioning the relative position between the vehicle body connecting piece and the vehicle body by the positioning pins in the second positioning rod assembly and the third positioning rod assembly, and controlling the relative position between the vehicle body connecting piece and the vehicle body.
The utility model provides an aluminium automobile body mule car frame mounting point match and correspond the correction of automobile body mounting structure, save the automobile body modification time and guarantee that disposable loading is successful, the operation feasibility is high very much moreover. Furthermore, the utility model discloses need not make corresponding automobile body connecting piece again, only need finely tune the installation face that corresponding automobile body connecting piece and aluminium automobile body match, avoid changing by a wide margin, save rectification time and expense, shorten development cycle.
In addition, the installation matching device of the utility model has simple structure and convenient installation; the scheme has simple flow, and according to the scheme, the production process is simple, the loading is successful at one time, and the method is suitable for the development and design of the novel car-type aluminum car body mule car.
Drawings
Fig. 1 is a schematic structural view of an aluminum body mule vehicle body connecting piece and a vehicle body mounting and matching device in the embodiment of the utility model;
fig. 2 is a schematic view of an assembly structure between the vehicle body connecting member, the vehicle body and the mounting and matching device according to the embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and drawings. The following examples should not be construed, however, as limiting the scope of the invention.
Fig. 1 is the embodiment of the utility model provides an aluminium automobile body mule automobile body connecting piece and automobile body installation matching device's schematic structure.
Aluminium automobile body mule car body connecting piece and automobile body installation matching device 100 includes that two parallel arrangement's rectangular form cradling piece 1 and interval set up first locating bar subassembly 2, second locating bar subassembly 3, third locating bar subassembly 4 and fourth locating bar subassembly 5 on this cradling piece 1. The first positioning rod assembly 2 and the second positioning rod assembly 3 are respectively arranged at two ends of the support rod 1, and the third positioning rod assembly 4 and the fourth positioning rod assembly 5 are arranged in the middle.
The first positioning rod assembly 2 comprises two first mounting posts 21 respectively fixedly arranged on the support rod, a first positioning rod 22 fixedly arranged on the first mounting posts, first positioning posts 23 fixedly arranged at two ends of the first positioning rod, and positioning pins 24 fixedly arranged on the first positioning posts.
The second positioning rod assembly 3 includes a second positioning rod 31 fixedly mounted on the end of the bracket rod, second positioning posts 32 fixedly disposed on the two ends of the second positioning rod, and positioning pins 24 fixedly mounted on the second positioning posts.
The third positioning rod assembly 4 is close to the first positioning rod assembly 2 and comprises two third mounting columns 41 respectively fixedly arranged on the support rods, a third positioning rod 42 fixedly arranged on the third mounting columns, third positioning columns 43 fixedly arranged on two ends of the third positioning rod and positioning pins 24 fixedly arranged on the first positioning columns;
the fourth positioning rod assembly 5 is close to the second positioning rod assembly and comprises a fourth positioning rod 51 fixedly mounted on the support rod, fourth positioning columns 52 fixedly arranged at two ends of the second positioning rod, and positioning pins 24 fixedly mounted on the fourth positioning columns.
In this embodiment, the positions of the positioning pins in the four positioning rod assemblies are not equal to each other completely, the position of the positioning pin in the first positioning rod assembly 2 is the highest, the position of the positioning pin in the third positioning rod assembly 4 is the next highest, and the positions of the positioning pins in the second positioning rod assembly 3 and the fourth positioning rod assembly 5 are flush and are located at the lowest position.
The location of the locating pins in the first and third locating bar assemblies 2 and 4 depends on the height of the mounting and locating posts. The height of the first mounting post 21 is twice the height of the third mounting post 41, and the height of the third positioning post 43 is 1/5-1/4 of the height of the first positioning post 23. The heights of the second and fourth positioning posts are the same as the height of the third positioning post 43.
In this embodiment, the first to fourth positioning rods are equal in length, and the second positioning rod and the fourth positioning rod are located on the same plane as the support rod. The end face of the second positioning rod is fixedly arranged on the end face of the support rod, and the fourth positioning rod is embedded in the support rod. The support rod and the first to fourth positioning rod assemblies are made of 45 steel pipes.
The method for connecting and matching the vehicle body connecting piece and the vehicle body of the mule vehicle by adopting the mounting and matching device in the embodiment comprises the following steps:
firstly, after the device is processed, according to fig. 2, the positioning pins in the first positioning rod assembly 2 and the second positioning rod assembly 3 are matched with the limiting holes at the bottom of the aluminum vehicle body 200 and are fixed by bolts. And a limiting hole at the bottom of the aluminum automobile body 200 is drilled with a three-coordinate reference, and the processing position of the positioning pin refers to the parameter. After the installation is completed, the positioning pins in the third positioning rod assembly 4 and the fourth positioning rod assembly 5 position the relative position between the vehicle body connecting piece 300 and the vehicle body 200.
The body joint 300 is generally a hand-made member (non-mass-produced member), has poor dimensional stability, does not adhere to an aluminum profile, and may interfere in some places. When the vehicle body 200 is modified, the interference part of the vehicle body part is partially cut off, and the cutting is preferably in a physical cutting mode, so that the surface melting of the aluminum vehicle body is avoided during cutting, and the workload during subsequent surface matching is increased.
And then, cleaning the adhesive on the mounting surface of the matching part by using a grinder, removing the painted surface, ensuring that the aluminum plate entity is connected after the structural adhesive is coated, and cleaning the surface by using a cleaning agent to ensure that the subsequent structural adhesive can fully play a role. After the installation matching device is installed on a vehicle body, the installation surface is ensured to be attached to the vehicle body installation surface.
After the positions of the four vehicle body connecting pieces are fixed, the interference part is cut off, most of gaps are filled with iron sheets, then structural adhesive is coated, the thickness of the structural adhesive cannot exceed 2 mm, the structural adhesive is connected with gaps between the vehicle body connecting pieces and the aluminum plates, and the gaps are too large and need to be padded up by small iron sheets; and then, pre-tightening the vehicle body connecting piece on the vehicle body by using the self-tapping screw, ensuring that the hard point position of the vehicle body connecting piece is unchanged when the self-tapping screw is screwed on, punching after the structural adhesive is dried, and finally screwing the rivet into a connecting hole for fixing the vehicle body connecting piece and the vehicle body by using a riveting gun.
The method solves the problems of matching of the car frame mounting points of the mule car with the aluminum car body and correction of the corresponding car body mounting structures, saves car body modification time and ensures successful one-time loading, has extremely high operation feasibility, does not need to manufacture corresponding car body connecting pieces again, only needs to finely adjust the mounting surfaces of the corresponding car body connecting pieces matched with the aluminum car body, avoids large-scale modification, saves modification time and cost, shortens development cycle, and has wide expansibility.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. An aluminum vehicle body mule vehicle body connecting piece and a vehicle body mounting and matching device are characterized by comprising two parallel long-strip-shaped support rods and first to fourth positioning rod assemblies arranged on the support rods at intervals, wherein the first positioning rod assembly and the second positioning rod assembly are respectively arranged at two ends of the support rods, the third positioning rod assembly and the fourth positioning rod assembly are arranged in the middle,
the first positioning rod assembly comprises two first mounting columns which are fixedly arranged on the support rod respectively, a first positioning rod which is fixedly arranged on the first mounting columns, first positioning columns which are fixedly arranged on two ends of the first positioning rod and positioning pins which are fixedly arranged on the first positioning columns;
the second positioning rod assembly comprises a second positioning rod fixedly arranged at the end part of the support rod, second positioning columns fixedly arranged at two ends of the second positioning rod and positioning pins fixedly arranged on the second positioning columns;
the third positioning rod assembly is close to the first positioning rod assembly and comprises two third mounting columns respectively fixedly arranged on the support rods, a third positioning rod fixedly arranged on the third mounting columns, third positioning columns fixedly arranged at two ends of the third positioning rod and positioning pins fixedly arranged on the first positioning columns;
the fourth positioning rod component is close to the second positioning rod component and comprises a fourth positioning rod fixedly arranged on the bracket rod, a fourth positioning column fixedly arranged on two ends of the second positioning rod and a positioning pin fixedly arranged on the fourth positioning column,
the position of the positioning pin in the first positioning rod assembly is highest, the position of the positioning pin in the third positioning rod assembly is next, and the positions of the positioning pins in the second positioning rod assembly and the fourth positioning rod assembly are flush.
2. The aluminum body mule vehicle body connecting piece and vehicle body installation matching device of claim 1, characterized in that:
wherein the height of the first mounting post is twice the height of the third mounting post.
3. The aluminum body mule vehicle body connecting piece and vehicle body installation matching device of claim 2, characterized in that:
the heights of the second positioning column, the fourth positioning column and the third positioning column are the same, and are 1/5-1/4 of the height of the first positioning column.
4. The aluminum body mule vehicle body connecting piece and vehicle body installation matching device of claim 1, characterized in that:
the first positioning rod, the second positioning rod, the fourth positioning rod and the support rod are located on the same plane.
5. The aluminum body mule vehicle body connecting piece and vehicle body installation matching device of claim 1, characterized in that:
the end face of the second positioning rod is fixedly arranged on the end face of the support rod, and the fourth positioning rod is embedded in the support rod.
6. The aluminum body mule vehicle body connecting piece and vehicle body installation matching device of claim 1, characterized in that:
the support rod and the first to fourth positioning rod assemblies are machined from 45 steel pipes.
7. The aluminum body mule vehicle body connecting piece and vehicle body installation matching device of claim 1, characterized in that:
the positioning pins in the first positioning rod assembly and the second positioning rod assembly are matched with the limiting holes in the bottom of the aluminum vehicle body, and the positioning pins in the third positioning rod assembly and the fourth positioning rod assembly are used for positioning the relative position between the vehicle body connecting piece and the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922378256.7U CN212125352U (en) | 2019-12-23 | 2019-12-23 | Aluminum body mule car body connecting piece and car body installation matching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922378256.7U CN212125352U (en) | 2019-12-23 | 2019-12-23 | Aluminum body mule car body connecting piece and car body installation matching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212125352U true CN212125352U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922378256.7U Active CN212125352U (en) | 2019-12-23 | 2019-12-23 | Aluminum body mule car body connecting piece and car body installation matching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212125352U (en) |
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- 2019-12-23 CN CN201922378256.7U patent/CN212125352U/en active Active
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Address after: 201804 No. 299, Anhong Road, Anting Town, Jiading District, Shanghai Patentee after: Jiau industrial design (Shanghai) Co.,Ltd. Address before: 201804 No. 299, Anhong Road, Anting Town, Jiading District, Shanghai Patentee before: Youhualous industrial product design (Shanghai) Co.,Ltd. |