CN117262079A - Automobile chassis assembly assembling method and tray device - Google Patents
Automobile chassis assembly assembling method and tray device Download PDFInfo
- Publication number
- CN117262079A CN117262079A CN202311186281.XA CN202311186281A CN117262079A CN 117262079 A CN117262079 A CN 117262079A CN 202311186281 A CN202311186281 A CN 202311186281A CN 117262079 A CN117262079 A CN 117262079A
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- tray
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- vehicle body
- assembly
- tray device
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000000725 suspension Substances 0.000 claims description 23
- 238000003825 pressing Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
- B62D65/10—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components the sub-units or components being engines, clutches or transmissions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
An automobile chassis assembly assembling method and a tray device belong to the technical field of automobile chassis assembly, and the automobile chassis assembly assembling method comprises the following steps: step 1: positioning the front chassis module at one end of the tray device; step 2: positioning the chassis rear module at the other end of the tray device; step 3: lifting the tray device and positioning the tray device on the vehicle body to complete the assembly of the front and rear modules of the chassis; step 4: the invention has the beneficial effects that the front and rear modules of the automobile chassis are positioned by adopting the same tray device, and all parts of the front and rear modules are positioned on the tray device, so that the front and rear modules are lifted uniformly by the tray device and synchronously on-line when the automobile chassis is assembled, and the problems of asynchronous on-line and irrelevant on-line of the front and rear modules are solved.
Description
Technical Field
The invention relates to the technical field of automobile chassis assembly, in particular to an automobile chassis assembly method and a tray device.
Background
With the continuous development of the automobile industry, the automobile chassis assembling and assembling process method is also continuously improved, but part of host factories are limited by large investment in the modification of the existing production line and large investment in the design change of the related front and rear chassis modules, and the existing front and rear chassis modules are still maintained to be in an independent online mode.
For example, the patent with publication number CN116021493A discloses a front module harness of an automobile chassis, which belongs to the technical field of assembly of automobile parts. The bottom layer supporting mechanism of the front module of the automobile chassis is hinged with the horizontal frame, the first middle layer supporting frame and the second middle layer supporting frame are hinged with the beam group, two ends of the first air pressure spring are hinged with the first middle layer supporting frame and the beam group respectively, two ends of the second air pressure spring are hinged with the second middle layer supporting frame and the beam group respectively, the first upper layer supporting frame and the second upper layer supporting frame are hinged with the beam group respectively, two ends of the third air pressure spring are hinged with the first upper layer supporting frame and the beam group respectively, and two ends of the fourth air pressure spring are hinged with the second upper layer supporting frame and the beam group respectively. The harness is only used for installing the front module of the automobile chassis, synchronous line feeding of the front module and the rear module cannot be realized, the assembly efficiency is low, the positioning is oblique, and the technical problem of the application cannot be solved yet.
Disclosure of Invention
In order to solve the technical problems, the invention provides an assembly method of an automobile chassis assembly and a tray device, wherein front and rear modules of the automobile chassis are positioned by adopting the same tray device, parts of the front and rear modules are positioned on the tray device, and are lifted uniformly by the tray device and synchronously on line when the automobile chassis is assembled, so that the problems of asynchronous on-line and irrelevant association of the front and rear modules are solved.
In order to achieve the above purpose, the technical scheme adopted by the invention for solving the technical problems is as follows: the automobile chassis assembly assembling method comprises the following steps:
step 1: positioning the front chassis module at one end of the tray device;
step 2: positioning the chassis rear module at the other end of the tray device;
step 3: lifting the tray device and positioning the tray device on the vehicle body to complete the assembly of the front and rear modules of the chassis;
step 4: peripheral parts are arranged on the vehicle body or the front and rear modules of the chassis.
The chassis front module comprises a power assembly and a front auxiliary frame, and the power assembly and the front auxiliary frame are positioned at one end of the tray device through positioning pins; the chassis rear module comprises a rear auxiliary frame and a rear trailing arm bracket, and the rear auxiliary frame and the rear trailing arm bracket are positioned at the other end of the tray device through positioning pins.
The specific assembly method of the step 3 is as follows:
1) Lifting the tray device to enable the tray device to be positioned and installed at the bottom of the vehicle body;
2) The power assembly is fixed at the bottom of the vehicle body through a front suspension, the power assembly is fixedly arranged on a front auxiliary frame, and the front auxiliary frame is fixedly arranged at the bottom of the vehicle body;
3) The rear auxiliary frame is fixedly arranged at the bottom of the vehicle body, the rear auxiliary frame is connected with the rear trailing arm through a rear brake, and the rear trailing arm is fixed at the bottom of the vehicle body through a rear trailing arm bracket.
Step 4 includes mounting an engine gearbox side mount on the powertrain and mounting a body side mount on left and right sides of the body, respectively.
The tray device for assembling the automobile chassis assembly is applied to the assembling method and comprises a main frame, wherein a front tray is fixed at one end of the main frame, a chassis front module is installed on the front tray, a rear tray is fixed at the other end of the main frame, a chassis rear module is installed on the rear tray, and a middle tray is fixed in the middle of the main frame.
The two sides of the front tray, the middle tray and the rear tray are connected with the vehicle body in a positioning way through positioning pins.
L-shaped limiting rods are respectively arranged on two sides of the front part of the front tray, and the end parts of the L-shaped limiting rods are connected with the front suspensions on the side edges of the vehicle body in a collision clamping manner; the rear tray is characterized in that fixing seats are respectively arranged on two sides of the rear portion of the rear tray, and pressing rods which are in abutting connection with rear suspensions on the side edges of the vehicle body are arranged on the fixing seats.
The main frame is close to one end of back tray is provided with the mount, the mount is contradicted and is installed at the rear end of automobile body.
The fixing frame is arranged to be a U-shaped frame, two ends of the fixing frame are connected with the main frame through lock chains respectively, and two ends of the fixing frame are detachably connected with the rear end of the vehicle body through mounting seats respectively.
The middle part of front tray is provided with the bearing the bracket of automobile body bottom, the rear portion both sides of back tray are provided with the support bench of bearing automobile body rear wheel respectively.
The beneficial effects of the invention are as follows:
1. according to the invention, by designing the tray device, the power assembly and the front auxiliary frame are positioned on the front tray of the tray device, and the rear auxiliary frame and the rear trailing arm bracket are positioned on the rear tray of the tray device, so that the tray device is lifted to be positioned on the vehicle body, the front chassis module and the rear chassis module are uniformly on line, and the front chassis module and the rear chassis module are positioned in advance, thereby improving the installation efficiency and the installation precision; and finally, positioning and assembling the engine gearbox side suspension and the power assembly, and positioning and assembling the vehicle body side suspension and the vehicle body, so that the accuracy and stability of the installation of the vehicle body peripheral parts are ensured.
2. The invention provides a tray device, wherein a front tray, a middle tray and a rear tray are respectively fixed at the front, middle and rear positions of a main frame, the two sides of the front tray, the middle tray and the rear tray are positioned with a vehicle body through positioning pins, the front part of the front tray is connected with a front suspension bracket of a side edge of the vehicle body through an L-shaped limiting rod in a collision clamping manner, the rear part of the rear tray is connected with a rear suspension bracket of the side edge of the vehicle body through a pressing rod in a collision manner, the stable positioning of the vehicle body relative to the tray device can be realized, and the shaking of the vehicle body in the assembly process of front and rear modules of an automobile chassis is avoided, so that the assembly precision of the front and rear modules of the chassis is influenced.
Drawings
The contents of the drawings and the marks in the drawings of the present specification are briefly described as follows:
FIG. 1 is a diagram of the positioning relationship between the front and rear chassis modules and the vehicle body in the method of assembling an automotive chassis assembly according to the present invention;
FIG. 2 is a schematic view of a tray assembly for assembling an automotive chassis assembly according to the present invention;
FIG. 3 is a front view of the tray assembly of the present invention;
the labels in the above figures are: 1. the main frame, 2, front tray, 3, rear tray, 4, middle tray, 5, locating pin, 6.L-shaped limiting rod, 7, fixing seat, 8, pressing rod, 9, fixing frame, 10, support bracket, 11 and lifting seat.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the prior art, part of host factories are limited by large investment in modification of the existing production line and large investment in design modification of related front and rear chassis modules, and the existing independent on-line mode of the front and rear chassis modules is still maintained. However, the independent on-line assembly process of the front and rear chassis modules of the automobile can cause the problems of deviation, direction inaccuracy, NVH and the like of the whole automobile due to the fact that the front and rear chassis modules are not synchronous and have no relative positioning relation. Accordingly, the present invention is based on the above technical problems in the prior art, and as shown in fig. 1, the present invention provides an assembly method of an automobile chassis assembly, comprising the steps of:
step 1: the front chassis module is positioned at one end of the tray device.
The chassis front module comprises a power assembly and a front auxiliary frame, wherein the power assembly and the front auxiliary frame are positioned at one end of a tray device through positioning pins 5, the relative position between the power assembly and the front auxiliary frame on the tray device and the relative position between the power assembly and the front auxiliary frame on a vehicle body are required to be ensured to be consistent, and the installation precision of the chassis front module is ensured.
Step 2: the chassis rear module is positioned at the other end of the tray device.
The chassis rear module comprises a rear auxiliary frame and a rear trailing arm bracket, wherein the rear auxiliary frame and the rear trailing arm bracket are positioned at the other end of the tray device through positioning pins 5, the relative positions of the rear auxiliary frame and the rear trailing arm bracket on the tray device and the relative positions of the rear auxiliary frame and the rear trailing arm bracket on the vehicle body are required to be ensured to be consistent, and the relative positions of the front and rear modules on the chassis on the tray device and the relative positions of the rear auxiliary frame and the rear trailing arm bracket on the vehicle body are required to be ensured to be consistent.
Step 3: and the tray device is lifted and positioned on the vehicle body to complete the assembly of the front and rear modules of the chassis. The specific assembly method comprises the following steps:
1) The tray device is lifted by lifting equipment to be positioned and installed at the bottom of the vehicle body.
2) The power assembly is fixed at the bottom of the vehicle body through a front suspension in a bolt tightening mode, the power assembly is fixedly arranged on a front auxiliary frame, and the front auxiliary frame is fixedly arranged at the bottom of the vehicle body;
3) The rear auxiliary frame is fixedly arranged at the bottom of the vehicle body in a bolt tightening mode, is connected with the rear trailing arm through a rear brake, and is fixed at the bottom of the vehicle body through a rear trailing arm bracket.
Step 4: peripheral parts are arranged on the vehicle body or the front and rear modules of the chassis. The engine gearbox side suspension is arranged on the power assembly in a part self-positioning mode, and the vehicle body side suspension is arranged on the left side and the right side of the vehicle body in a part self-positioning mode.
As shown in fig. 2 and 3, the present invention further provides a tray device for assembling an automobile chassis assembly, which is applied to the above-mentioned assembling method, the tray device includes a main frame 1, a front tray 2 is fixed at one end of the main frame 1, a front chassis module including a powertrain and a front subframe is mounted on the front tray 2 by positioning a positioning pin 5, a rear tray 3 is fixed at the other end of the main frame 1, a rear chassis module including a rear subframe and a rear trailing arm bracket is mounted on the rear tray 3 by positioning a positioning pin 5, and a middle tray 4 is fixed in the middle of the main frame 1.
Specifically, the front tray 2, the middle tray 4 and the rear tray 3 are connected with the vehicle body through positioning pins 5 on two sides so as to realize the X, Y initial positioning of the tray device and the vehicle body.
Specifically, two sides of the front part of the front tray 2 are respectively provided with an L-shaped limiting rod 6, the end part of the L-shaped limiting rod 6 is fixedly provided with a claw, and the claw is in abutting clamping connection with a front suspension bracket on the side edge of a vehicle body; the rear tray 3 is provided with fixing base 7 respectively in the rear portion both sides, is provided with the fixed column on the fixing base 7, and the top of fixed column is provided with the joint groove, and clamp bar 8 sliding connection is in the joint inslot, installs the lock bolt outward the fixed column, and the lock bolt is contradicted on clamp bar 8 after passing the fixed column, and V-arrangement compact heap is installed to the tip of clamp bar 8, and V-arrangement compact heap is contradicted with the rear suspension of automobile body side and is linked to each other. The length of the compression rod 8 can be adjusted according to the needs of the vehicle type, and the V-shaped compression block is guaranteed to be in collision with the rear suspension on the side edge of the vehicle body. According to the invention, the L-shaped limiting rod 6 on the front tray 2 and the pressing rod 8 on the rear tray 3 can tightly support the two ends of the vehicle body, so that the positioning of the vehicle body along the length direction is realized, and the positioning pins 5 on the tray are in plug-in fit with the vehicle body, so that the stable positioning of the vehicle body relative to the X direction and the Y direction of the tray device is realized, and the shaking of the vehicle body in the assembly process of the front and rear modules of the chassis of the vehicle is avoided, so that the assembly precision of the front and rear modules of the chassis is influenced.
Specifically, one end that the main frame 1 is close to the rear tray 3 is provided with a fixing frame 9, the fixing frame 9 is in conflict with and is installed at the rear end of the automobile body, the fixing frame 9 is arranged to be a U-shaped frame, two ends of the fixing frame 9 are respectively connected with the main frame 1 through a chain, two ends of the fixing frame 9 are respectively detachably connected with the rear end of the automobile body through mounting seats, positioning of the tray device relative to the automobile body X, Y is achieved, and skew of the tray device in the assembly process is avoided.
In addition, the middle part of the front tray 2 is provided with a support bracket 10 for supporting the bottom of the vehicle body, two sides of the rear part of the rear tray 3 are respectively provided with a lifting seat 11 for supporting the rear wheel of the vehicle body, and the vehicle body is supported by the hanging frame, so that the lifting device can further lift and limit the mounting precision of the front and rear modules of the chassis through the support bracket 10 and the lifting seat 11 except for controlling the lifting stroke of the lifting device to ensure the mounting precision of the front and rear modules of the chassis in the process of using the lifting device to drive the tray device to lift upwards.
In addition, the automobile body is by gallows fixed stay, the automobile body below is provided with the delivery track that is used for carrying tray device, this delivery track can be set up to double-row guide rail, set up lifting device under the automobile body, lifting device is located the position between the double-row guide rail, set up rocker arm formula travel switch (can also set up other types of position sensor) on lifting device, set up the dog that triggers this rocker arm formula travel switch action in tray device bottom, when the rocking arm that the rocker arm formula travel switch was contradicted to the dog makes it trigger, the tray device carries out in place this moment, and the chassis front and back module of installation on it is relative with the mounted position that the automobile body corresponds, rocker arm formula travel switch gives PLC with signal transmission, PLC control lifting device carries out lifting action, carry out next assembly action after lifting tray device in place.
The using method of the tray device comprises the following steps:
firstly, positioning a power assembly and a front auxiliary frame at a corresponding position on a front tray 2 of a tray device on a conveying track, and positioning a rear auxiliary frame and a rear trailing arm bracket at a corresponding position on a rear tray 3;
then, the conveying track acts to convey the conveying tray to the lifting device until a rocker arm type travel switch is triggered, and the lifting device lifts the tray device in place; the locating pins 5 on the front tray 2, the middle tray 4 and the rear tray 3 are positioned and inserted into the bottom of the automobile body, the L-shaped limiting rod 6 on the front tray 2 and the pressing rod 8 on the rear tray 3 tightly support the two ends of the automobile body, the fixing frame 9 is abutted against the rear end of the automobile body, and the stable positioning of the automobile body relative to the X direction and the Y direction of the tray device is realized. Meanwhile, the support bracket 10 stably supports the bottom of the vehicle body, the lifting seat 11 stably supports the rear wheels of the vehicle body, the front and rear modules of the vehicle chassis are prevented from shaking in the assembly process, and the assembly efficiency and accuracy are ensured.
Then, fixing the power assembly on the bottom of the vehicle body through a front suspension by means of bolt tightening, fixedly mounting the power assembly on a front auxiliary frame, and fixedly mounting the front auxiliary frame on the bottom of the vehicle body; the rear auxiliary frame is fixedly arranged at the bottom of the vehicle body in a bolt tightening mode, is connected with the rear trailing arm through a rear brake, and is fixed at the bottom of the vehicle body through a rear trailing arm bracket; the engine gearbox side suspension is arranged on the power assembly in a self-positioning mode of parts, and the vehicle body side suspension is arranged on the left side and the right side of the vehicle body;
finally, after the assembly is completed, the lifting device drives the tray device to descend and return, and the tray device is reversely conveyed and returned through the conveying track so as to perform the next assembly and loading action.
Therefore, the invention designs the tray device, the power assembly and the front auxiliary frame are positioned on the front tray 2 of the tray device, and the rear auxiliary frame and the rear trailing arm bracket are positioned on the rear tray 3 of the tray device, so that the tray device is lifted to be positioned on the vehicle body, the front chassis module and the rear chassis module are uniformly threaded, the front chassis module and the rear chassis module are positioned in advance, and the installation efficiency and the installation precision are improved; and finally, positioning and assembling the engine gearbox side suspension and the power assembly, and positioning and assembling the vehicle body side suspension and the vehicle body, so that the accuracy and stability of the installation of the vehicle body peripheral parts are ensured.
According to the invention, the front tray 2, the middle tray 4 and the rear tray 3 are respectively fixed at the front, middle and rear positions of the main frame 1, both sides of the front tray 2, the middle tray 4 and the rear tray 3 are positioned with the vehicle body through the positioning pins 5, the front part of the front tray 2 is in abutting and clamping connection with the front suspension of the side edge of the vehicle body through the L-shaped limiting rod 6, and the rear part of the rear tray 3 is in abutting and connecting with the rear suspension of the side edge of the vehicle body through the pressing rod 8, so that the stable positioning of the vehicle body relative to the tray device can be realized, and the shaking of the vehicle body in the assembling process of the front and rear modules of the chassis of the vehicle is avoided, so that the assembling precision of the front and rear modules of the chassis is influenced.
In summary, the front and rear modules of the automobile chassis are positioned by adopting the same tray device, and all parts of the front and rear modules are positioned on the tray device, so that the front and rear modules are lifted uniformly by the tray device and synchronously on line when the automobile chassis is assembled, and the problems of asynchronous on-line and irrelevant association of the front and rear modules are solved.
The foregoing is provided by way of illustration of the principles of the present invention, and is not intended to be limited to the specific constructions and applications illustrated herein, but rather to all modifications and equivalents which may be utilized as fall within the scope of the invention as defined in the claims.
Claims (10)
1. An automobile chassis assembly method, comprising the steps of:
step 1: positioning the front chassis module at one end of the tray device;
step 2: positioning the chassis rear module at the other end of the tray device;
step 3: lifting the tray device and positioning the tray device on the vehicle body to complete the assembly of the front and rear modules of the chassis;
step 4: peripheral parts are arranged on the vehicle body or the front and rear modules of the chassis.
2. The method of assembling an automotive chassis assembly of claim 1, wherein: the chassis front module comprises a power assembly and a front auxiliary frame, and the power assembly and the front auxiliary frame are positioned at one end of the tray device through positioning pins; the chassis rear module comprises a rear auxiliary frame and a rear trailing arm bracket, and the rear auxiliary frame and the rear trailing arm bracket are positioned at the other end of the tray device through positioning pins.
3. The method of assembling an automotive chassis assembly of claim 2, wherein: the specific assembly method of the step 3 is as follows:
1) Lifting the tray device to enable the tray device to be positioned and installed at the bottom of the vehicle body;
2) The power assembly is fixed at the bottom of the vehicle body through a front suspension, the power assembly is fixedly arranged on a front auxiliary frame, and the front auxiliary frame is fixedly arranged at the bottom of the vehicle body;
3) The rear auxiliary frame is fixedly arranged at the bottom of the vehicle body, the rear auxiliary frame is connected with the rear trailing arm through a rear brake, and the rear trailing arm is fixed at the bottom of the vehicle body through a rear trailing arm bracket.
4. The method of assembling an automotive chassis assembly of claim 2, wherein: step 4 includes mounting an engine gearbox side mount on the powertrain and mounting a body side mount on left and right sides of the body, respectively.
5. A tray device for assembling an automobile chassis assembly, which is applied to the assembling method of any one of claims 1 to 4, and is characterized by comprising a main frame, wherein a front tray is fixed at one end of the main frame, a chassis front module is mounted on the front tray, a rear tray is fixed at the other end of the main frame, a chassis rear module is mounted on the rear tray, and a middle tray is fixed at the middle part of the main frame.
6. The method of assembling an automotive chassis assembly of claim 5, wherein: the two sides of the front tray, the middle tray and the rear tray are connected with the vehicle body in a positioning way through positioning pins.
7. The method of assembling an automotive chassis assembly of claim 5, wherein: l-shaped limiting rods are respectively arranged on two sides of the front part of the front tray, and the end parts of the L-shaped limiting rods are connected with the front suspensions on the side edges of the vehicle body in a collision clamping manner; the rear tray is characterized in that fixing seats are respectively arranged on two sides of the rear portion of the rear tray, and pressing rods which are in abutting connection with rear suspensions on the side edges of the vehicle body are arranged on the fixing seats.
8. The method of assembling an automotive chassis assembly of claim 5, wherein: the main frame is close to one end of back tray is provided with the mount, the mount is contradicted and is installed at the rear end of automobile body.
9. The method of assembling an automotive chassis assembly of claim 8, wherein: the fixing frame is arranged to be a U-shaped frame, two ends of the fixing frame are connected with the main frame through lock chains respectively, and two ends of the fixing frame are detachably connected with the rear end of the vehicle body through mounting seats respectively.
10. The method of assembling an automotive chassis assembly of claim 5, wherein: the middle part of front tray is provided with the bearing the bracket of automobile body bottom, the rear portion both sides of back tray are provided with the support bench of bearing automobile body rear wheel respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311186281.XA CN117262079A (en) | 2023-09-14 | 2023-09-14 | Automobile chassis assembly assembling method and tray device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311186281.XA CN117262079A (en) | 2023-09-14 | 2023-09-14 | Automobile chassis assembly assembling method and tray device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117262079A true CN117262079A (en) | 2023-12-22 |
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ID=89220662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311186281.XA Pending CN117262079A (en) | 2023-09-14 | 2023-09-14 | Automobile chassis assembly assembling method and tray device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117262079A (en) |
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2023
- 2023-09-14 CN CN202311186281.XA patent/CN117262079A/en active Pending
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