Automobile chassis mounting device and mounting method

Abstract

The application discloses a kind of automobile chassis mounting device, comprising: fixed frame, the outer surface of fixed frame is fixedly connected with motor No.1, the output end of motor No.1 is connected with gear No.1 by shaft, gear No.1 is engaged with gear No.2, the outer surface of gear No.2 is fixedly connected with screw rod, the outer surface of screw rod is movably connected with sliding module, the outer surface of sliding module is connected with transmission rod by shaft, by adding lifting platform, motor No.1 telescopic rod, support seat, motor No.2, roller, sliding block, motor No.2 telescopic rod, motor No.2 and electric drill head, it can be adjusted position at will when carrying out bolt fastening, so that it is more accurate, higher processing efficiency, by motor No.4, chain wheel, chain, motor No.5, support disc, storage box, high-pressure pump and high-pressure spray head, it can be painted after processing automobile chassis, and rotating paint can be more uniform, and the effect of rust prevention is better.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile chassis installation, and in particular relates to an automobile chassis installation device and an installation method. Background Art

[0002] The automobile chassis consists of four parts: the transmission, running gear, steering system, and braking system. The transmission system primarily comprises the clutch, transmission, universal joint, final drive, differential, and half-shafts. Its primary function is to receive power from the engine and transmit it to the drive wheels. The transmission system also performs functions such as deceleration, shifting, reversing, power interruption, and inter-wheel and inter-axle differentials, ensuring the vehicle's proper operation under various operating conditions and maintaining excellent power and economy. The running gear primarily comprises the frame, axles, wheels, and suspension. The running gear's primary function is to support the vehicle's component assemblies, transmitting and bearing various loads from above and below the vehicle, ensuring proper operation. The steering system is a specialized mechanism in a vehicle used to change or restore its direction of travel. Steering systems can be divided into mechanical and power steering systems, ensuring the vehicle travels in the direction selected by the driver. The braking system is a series of specialized devices in a vehicle that generate braking force. The braking system's primary function is to slow down and stop the vehicle while in motion, and to maintain a steady speed when descending hills. The braking system usually includes two independent braking systems, namely the service braking system and the parking braking system. Each system includes a brake and a brake transmission mechanism.

[0003] The automotive chassis supports and mounts the engine and its components and assemblies, shaping the vehicle's overall shape. It also receives the engine's power, enabling the vehicle to move and maintain normal operation. However, tightening bolts on the chassis lacks precision, preventing flexible position adjustments. Furthermore, the chassis can be corroded by accumulated water in humid climates, which can damage the chassis over time and affect driving safety. Summary of the Invention

[0004] In response to the problems existing in the prior art, the present invention provides an automobile chassis mounting device and mounting method, thereby solving the problem of insufficient tightening accuracy of automobile chassis bolts and the problem of processed areas being corroded by accumulated water in humid climates.

[0005] The present invention is achieved through the following technical solutions:

[0006] An automobile chassis mounting device, comprising:

[0007] Fixed frame, screw rod, lifting platform, clamping device, fastening installation device and rotary painting device;

[0008] The outer side of the fixing frame is fixedly connected to a No. 1 motor, the output end of the No. 1 motor is connected to a screw rod through a gear assembly; the screw rod is connected to the lifting platform through a connecting mechanism; the clamping device is installed on the lifting platform;

[0009] The clamping device includes a No. 1 electric telescopic rod, a support base, a No. 2 motor and a roller; the other end of the No. 1 electric telescopic rod is fixedly mounted to the inner side wall of the lifting platform; the output end of the No. 1 electric telescopic rod is fixedly connected to the support base, the No. 2 motor is mounted on the support base, and the output end of the No. 2 motor is connected to the roller;

[0010] The fastening and mounting device includes a sliding mechanism, a No. 3 motor, an electric drill bit, a support rod and a No. 2 electric telescopic rod;

[0011] The third motor is mounted on the sliding mechanism, and the output end of the third motor is connected to the electric drill head; the support rod is arranged on the side wall of the sliding mechanism and is fixedly connected to the second electric telescopic rod;

[0012] The rotary painting device includes a chain transmission mechanism, a fixing rod, a No. 5 motor, a support plate and a painting component;

[0013] One end of the fixed rod is installed on the chain transmission mechanism, the No. 5 motor is installed on the other end of the fixed rod, the output end of the No. 5 motor is connected to the support plate, and the paint spraying component is installed on the support plate.

[0014] Preferably, the connecting mechanism includes a first slider, a transmission rod and a fixing ring;

[0015] The outer surface of the screw rod is movably connected to the first slider, one end of the transmission rod is connected to the first slider, the other end of the transmission rod is connected to the fixed ring, and the bottom end of the fixed ring is fixedly connected to the lifting platform.

[0016] Preferably, it also includes a protective cover and a fixed block, the upper end of the fixed frame is fixedly connected to the protective cover, and the bottom end of the protective cover is fixedly connected to the fixed block; one end of the screw rod is movably connected to the fixed block, and the first slider abuts against the outer surface of the fixed block when in use.

[0017] Preferably, the gear assembly includes a No. 1 gear and a No. 2 gear, the No. 1 gear is connected to the output end of the No. 1 motor, the No. 1 gear is meshed with the No. 2 gear, and the screw rod is transmission-connected to the No. 2 gear.

[0018] Preferably, the chain transmission mechanism includes a No. 4 motor, a sprocket wheel and a chain, the No. 4 motor is installed on the sprocket wheel, the output end of the No. 4 motor is connected to the sprocket wheel, and the sprocket wheel is meshed with the chain; one end of the fixed rod is installed on the chain.

[0019] Preferably, one end of the No. 2 electric telescopic rod is fixedly connected to the fixing frame, and the outer surface of the fixing frame is fixedly connected to the No. 4 motor.

[0020] Preferably, the paint spraying components include a storage tank, a high-pressure pump and a high-pressure spray nozzle;

[0021] The storage box is installed on the support plate, the high-pressure pump is installed inside the storage box and connected to the high-pressure nozzle through a pipeline, and the output end of the high-pressure nozzle is in an inclined state.

[0022] Preferably, a bearing is fixedly connected to the inner wall of the storage box, and the inner wall of the bearing is fixedly connected to the output shaft of the No. 5 motor.

[0023] Preferably, the sliding mechanism includes a slide groove and a second slider, the second slider is movably mounted on the slide groove, the third motor is fixedly mounted on the second slider, the support rod is arranged on the side wall of the second slider, the lower end of the slide groove is fixedly connected to the fixed frame, the outer side surface of the slide groove is provided with a strip hole, and the support rod is installed inside the strip hole.

[0024] A method for installing an automobile chassis, comprising:

[0025] S1. Use the screw to drive the lifting platform up and down, use the electric telescopic rod and support base to clamp the car chassis, and then use the second motor to drive the roller to rotate, adjust the car chassis to the working position, and place the parts to be installed in the correct position;

[0026] S2. Tighten the bolts on the properly positioned car chassis. Use the No. 2 electric telescopic rod to drive the sliding mechanism to move, adjust the screwing position according to the actual situation, and then use the No. 3 motor and electric drill to tighten the suspension system, brake system, and transmission system on the car chassis.

[0027] S3. Use the chain transmission mechanism to rotate around the car chassis, and use the No. 5 motor to drive the high-pressure nozzle of the painting parts to rotate, so as to paint the car chassis in all directions.

[0028] Compared with the prior art, the present invention has the following beneficial technical effects:

[0029] The application provides a kind of automobile chassis mounting device, by adding lifting platform, electric telescopic rod and support seat clamp automobile chassis, then by motor drive roller rotation, the automobile chassis that needs to be installed is adjusted work position, and the parts that need to be installed are placed in correct position, using the second electric telescopic rod drive sliding mechanism moves, according to the actual situation to adjust the position of screwing, then through motor and electric drill head, it can be fastened on the suspension system, brake system, transmission system etc.of automobile chassis;Using chain transmission mechanism can be rotated around automobile chassis, then through and paint parts can be painted on chassis;The device of the application can be adjusted at will when tightening bolt, so that the accuracy is better, the processing efficiency is higher, the painted automobile chassis is painted, and the rotating paint can be more uniform, the rust prevention effect is better, solves the problem of the area after processing, which is corroded by water in humid climate.

[0030] Further, the upper end of the fixing frame is fixedly connected with a protective cover, and the lower end of the protective cover is fixedly connected with a fixing block, so that the fixing frame can be more stable when the screw rod rotates.

[0031] Further, one end of the screw rod is movably connected with the fixing block, and the first sliding block abuts against the outer surface of the fixing block when in use, so that the position can be limited when in use, and the structure is more stable.

[0032] Further, the outer surface of the lifting platform abuts against the inner wall of the fixing frame, and the outer surface of the lifting platform is a smooth surface, so that the friction is smaller and the lifting is smoother.

[0033] Further, the outer surface of the sliding groove is provided with a strip-shaped hole, and the support rod is installed in the strip-shaped hole, so that the sliding groove is more stable when in use and cannot shake.

[0034] Further, the outer surface of the second electric telescopic rod is fixedly connected with the fixing frame, and the outer surface of the fixing frame is fixedly connected with the fourth motor, so that the second sliding block can be pushed, and the position of screwing can be adjusted according to the actual situation.

[0035] Further, the inner wall of the storage box is fixedly connected with a bearing, and the inner wall of the bearing is fixedly connected with the output shaft of the fifth motor, so that the friction can be reduced when rotating.

[0036] Further, the high-pressure spray head is in an inclined state, so that the automobile chassis can be painted conveniently, and the paint can be more uniform. BRIEF DESCRIPTION OF DRAWINGS

[0037] The application will be further described below in combination with the drawings and examples;

[0038] Figure 1 is a structural diagram of the automobile chassis mounting device of the application;

[0039] Figure 2 This is a schematic structural diagram of the connection of the first motor of an automobile chassis mounting device of the present invention;

[0040] Figure 3 This is a schematic structural diagram of the lifting platform connection of an automobile chassis mounting device of the present invention;

[0041] Figure 4 This is a schematic structural diagram of the connection of the fourth motor of a vehicle chassis mounting device of the present invention;

[0042] Figure 5 This is a schematic structural diagram of a slide connection of an automobile chassis mounting device of the present invention;

[0043] Figure 6 This is an exploded diagram of the schematic structure of the No. 5 motor connection of an automobile chassis mounting device of the present invention;

[0044] Figure 7 The present invention is a flow chart of a method for installing an automobile chassis.

[0045] In the figure, 1. fixed frame; 2. Motor No. 1; 3. Gear No. 1; 4. Gear No. 2; 5. Screw; 6. First slider; 7. Transmission rod; 8. Fixed ring; 9. Lifting platform; 10. Electric telescopic rod No. 1; 11. Support seat; 12. Motor No. 2; 13. Roller; 14. Slide; 15. Second slider; 16. Motor No. 3; 17. Electric drill bit; 18. Support rod; 19. Electric telescopic rod No. 2; 20. Motor No. 4; 21. Chain pulley; 22. Chain; 23. Fixed rod; 24. Motor No. 5; 25. Support plate; 26. Storage box; 27. High-pressure pump; 28. High-pressure nozzle; 29. ​​Protective cover; 30. Fixed block; 31. Bearing. DETAILED DESCRIPTION

[0046] The present invention will be further described in detail below with reference to specific embodiments, which are intended to explain the present invention rather than to limit it.

[0047] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0048] Reference Figures 1-6 , an embodiment of the present invention provides an automobile chassis mounting device, which includes: Figure 1As shown, the fixing frame 1 is used to support internal components. The upper end of the fixing frame 1 is fixedly connected with a protective cover 29 for protecting the fixing frame 1. The lower end of the protective cover 29 is fixedly connected with a fixing block 30. Figure 2 As shown, the fixed frame 1 is fixedly connected to the No. 1 motor 2, which is used to drive the No. 1 gear 3 to rotate. The output end of the No. 1 motor 2 is connected to the No. 1 gear 3, which is used to drive the No. 2 gear 4 to rotate. The No. 1 gear 3 is meshed with the No. 2 gear 4, which is used to drive the screw rod 5 to rotate. The outer surface of the No. 2 gear 4 is fixedly connected to the screw rod 5, which is used to drive the first slider 6 to move. One end of the screw rod 5 is movably connected to the fixed block 30 for fixing the screw rod 5. The outer surface of the screw rod 5 is movably connected to the first slider 6 for driving the transmission rod 7. The first slider 6 abuts against the outer surface of the fixed block 30 when in use. The outer surface of the first slider 6 is connected to the transmission rod 7 for connecting to the fixing ring 8. One end of the transmission rod 7 is connected to the fixing ring 8 for connecting to the lifting platform 9. The lower end of the fixing ring 8 is fixedly connected to the lifting platform 9 for driving the lower end components to rise and fall. The outer surface of the lifting platform 9 abuts against the inner wall of the fixed frame 1, and the outer surface of the lifting platform 9 is a smooth surface.

[0049] like Figure 3 As shown, the outer surface of the lifting platform 9 is fixedly connected to a first electric telescopic rod 10, which is used to drive the support base 11 to remove the clamp. The output end of the first electric telescopic rod 10 is fixedly connected to the support base 11, which is used to drive the second supporting motor 12. The outer surface of the support base 11 is fixedly connected to the second motor 12, which is used to drive the rotation of the roller 13. The output end of the second motor 12 is connected to the roller 13 for transporting the vehicle chassis. The lifting platform 9 consists of a flat surface and side panels installed on both sides. The flat surface is connected to the fixed ring 8. The side panels are used to mount the first electric telescopic rod 10 of the side panels.

[0050] like Figure 5 As shown, the slide groove 14 is used to provide space for the second slider 15 to slide. The lower end of the slide groove 14 is fixedly connected to the fixed frame 1. The outer surface of the slide groove 14 is provided with a strip hole. The support rod 18 is installed inside the strip hole. The inner wall of the slide groove 14 is movably connected with the second slider 15, which is used to drive the No. 3 motor 16 to move. The upper end of the second slider 15 is fixedly connected with the No. 3 motor 16, which is used to provide power for screwing. The output end of the No. 3 motor 16 is connected to the electric drill bit 17 for screwing. The outer surface of the second slider 15 is fixedly connected with the support rod 18, which is used to connect the No. 2 electric telescopic rod 19. The outer surface of the support rod 18 is fixedly connected with the No. 2 electric telescopic rod 19, which is used to drive the second slider 15 to move. The outer surface of the No. 2 electric telescopic rod 19 is fixedly connected to the fixed frame 1, and the outer surface of the fixed frame 1 is fixedly connected to the No. 4 motor 20.

[0051] like Figure 4As shown, the fourth motor 20 is used to drive the sprocket 21 to rotate. The output end of the fourth motor 20 is connected to the sprocket 21 through a shaft, which is used to drive the chain 22 to rotate. The outer surface of the sprocket 21 is meshed with the chain 22 to drive the fixed rod 23 to move. The sprocket 21 is installed at the four corners of the chain 22.

[0052] like Figure 6 As shown, the outer surface of the chain 22 is fixedly connected to a fixing rod 23 for fixing the No. 5 motor 24. The fixing rod 23 is fixedly connected to the No. 5 motor 24 for providing power for the rotation of the support disk 25. The output end of the No. 5 motor 24 is connected to the support disk 25 through a shaft for supporting upper components. The upper end of the support disk 25 is fixedly connected to a storage box 26 for storing paint. The inner wall of the storage box 26 is fixedly connected to a bearing 31 for reducing friction during rotation. The inner wall of the bearing 31 is fixedly connected to the shaft. The interior of the storage box 26 is fixedly connected to a high-pressure pump 27 for providing power for spraying paint. The high-pressure pump 27 is connected to a high-pressure nozzle 28 through a pipeline for spraying paint. The high-pressure nozzle 28 is in an inclined state.

[0053] The present invention adds a lifting platform, a No. 1 electric telescopic rod, a support base, a No. 2 motor, a roller, a slider, a No. 2 electric telescopic rod, a No. 2 motor and an electric drill bit, so that the position can be adjusted at will when tightening the bolts, thereby improving the accuracy and processing efficiency.

[0054] The invention uses a No. 4 motor, a sprocket wheel, a chain, a No. 5 motor, a support plate storage box, a high-pressure pump and a high-pressure nozzle to perform a paint spraying operation on a processed automobile chassis, and the rotary paint spraying can be more uniform and have a better anti-rust effect.

[0055] Reference Figure 7 , a car chassis installation method, characterized in that it includes the following steps: S1, preparation work: prepare the chassis parts and tools required for the car, ensure that the working area is tidy, use the screw 5 to drive the lifting platform 9 to rise and fall, use the electric telescopic rod 10 and the support seat 11 to clamp the car chassis, and then use the second motor 12 to drive the roller 13 to rotate, so that the car chassis to be installed can be adjusted to the working position, and the parts to be installed can be placed in the correct position.

[0056] S2. Processing operation: tighten the bolts of the automobile chassis after adjusting the position. Use the No. 2 electric telescopic rod 19 to drive the second slider 15 to move. The position of the screw can be adjusted according to the actual situation with better accuracy. Then, through the No. 3 motor 16 and the electric drill bit 17, it can tighten the suspension system, brake system, transmission system, etc. on the automobile chassis.

[0057] S3. Finishing work: Finally, clean the work area and organize the tools and parts. Use the No. 4 motor 20 to drive the chain 22 and the sprocket 21 to rotate so that they can rotate around the car chassis. Then connect them to the high-pressure pump 27 through the storage box 26. Through the connection between the high-pressure pump 27 and the high-pressure nozzle 28, it can be used to paint the chassis. Use the No. 5 motor 24 to drive the high-pressure nozzle 28 to rotate, so that the paint is more uniform, which can better prevent the car from being corroded by accumulated water in humid climates, protect the exposed metal, and isolate it from contact with the outside.

[0058] Working principle:

[0059] 1 and 2. The second gear 4 is connected to the second motor 4, and the second gear 4 is connected to the lead screw 5, so that the rotation effect can be achieved. Then the lead screw 5 is connected to the first slider 6, the first slider 6 is connected to the transmission rod 7, the transmission rod 7 is connected to the fixed ring 8, and the lifting platform 9 is connected to the fixed ring 8 so that the lifting effect can be achieved. Then the lead screw 5 is connected to the fixed block 30, the fixed block 30 is connected to the protective cover 29, and the connection between the protective cover 29 and the fixed frame 1 makes the structure more stable. Then the lifting platform 9 is connected to the No. 1 electric telescopic rod 10, the No. 1 electric telescopic rod 10 is connected to the support seat 11, the support seat 11 is connected to the No. 2 motor 12, and the No. 2 motor 12 is connected to the roller 13 so that it can be easily transported on the car chassis. Then the fixed frame 1 is connected to the No. 2 electric telescopic rod 19, and the No. 2 electric telescopic The rod 19 is connected to the support rod 18, the support rod 18 is connected to the second slider 15, the second slider 15 is connected to the slide 14, the second slider 15 is connected to the No. 3 motor 16, and the No. 3 motor 16 is connected to the electric drill bit 17, so that it can accurately screw the car chassis. Then the fixing frame 1 is connected to the No. 4 motor 20, the No. 4 motor 20 is connected to the sprocket 21, and the connection between the sprocket 21 and the chain 22 allows the car chassis to rotate in all directions. Then the chain 22 is connected to the fixing rod 23, the fixing rod 23 is connected to the No. 5 motor 24, the No. 5 motor 24 is connected to the support plate 25, the support plate 25 is connected to the storage box 26, the storage box 26 is connected to the high-pressure pump 27, and the high-pressure pump 27 is connected to the high-pressure nozzle 28, so that the car chassis can be rotated in all directions and painted, with better anti-rust effect. Finally, through the connection between the storage box 26 and the bearing 31, the friction force is smaller when it can rotate.

[0060] It should be noted that the terms "first", "second", "number one", "number two", "number three", "number four", etc. in the description and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus that includes a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units that are not explicitly listed or inherent to these processes, methods, products or apparatus.

[0061] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may be a central component. When a component is referred to as being "connected to" another component, it may be directly connected to the other component or there may be a central component. When a component is referred to as being "disposed on" another component, it may be directly disposed on the other component or there may be a central component.

[0062] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used in this specification of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0063] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in this industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with this profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the scope of protection of the technical solution of the present invention.

Claims

1. An automobile chassis mounting device, characterized in that: include, A fixing frame (1), a screw rod (5), a lifting platform (9), a clamping device, a fastening and mounting device, and a rotary painting device; A No. 1 motor (2) is fixedly connected to the outer side of the fixing frame (1); the output end of the No. 1 motor (2) is connected to a screw rod (5) via a gear assembly; the screw rod (5) is connected to a lifting platform (9) via a connecting mechanism; and the clamping device is installed on the lifting platform (9); The clamping device comprises a No. 1 electric telescopic rod (10), a support seat (11), a No. 2 motor (12) and a roller (13); the other end of the No. 1 electric telescopic rod (10) is fixedly mounted on the inner side wall of the lifting platform (9); the output end of the No. 1 electric telescopic rod (10) is fixedly connected to the support seat (11), the No. 2 motor (12) is mounted on the support seat (11), and the output end of the No. 2 motor (12) is connected to the roller (13); The fastening and mounting device comprises a sliding mechanism, a third motor (16), an electric drill bit (17), a support rod (18) and a second electric telescopic rod (19); The third motor (16) is mounted on the sliding mechanism, and the output end of the third motor (16) is connected to the electric drill head (17); the support rod (18) is arranged on the side wall of the sliding mechanism and is fixedly connected to the second electric telescopic rod (19); The rotary paint spraying device comprises a chain transmission mechanism, a fixing rod (23), a fifth motor (24), a supporting plate (25) and a paint spraying component; One end of the fixed rod (23) is mounted on a chain transmission mechanism, the fifth motor (24) is mounted on the other end of the fixed rod (23), the output end of the fifth motor (24) is connected to a support plate (25), and the paint spraying component is mounted on the support plate (25).

2. The automobile chassis mounting device according to claim 1, characterized in that: The connecting mechanism comprises a first slider (6), a transmission rod (7) and a fixing ring (8); The outer surface of the screw rod (5) is movably connected to the first slider (6), one end of the transmission rod (7) is connected to the first slider (6), the other end of the transmission rod (7) is connected to the fixed ring (8), and the bottom end of the fixed ring (8) is fixedly connected to the lifting platform (9).

3. The automobile chassis mounting device according to claim 2, characterized in that: It also includes a protective cover (29) and a fixed block (30), wherein the upper end of the fixing frame (1) is fixedly connected to the protective cover (29), and the bottom end of the protective cover (29) is fixedly connected to the fixed block (30); one end of the screw rod (5) is movably connected to the fixed block (30), and the first sliding block (6) abuts against the outer surface of the fixed block (30) when in use.

4. The automobile chassis mounting device according to claim 1, characterized in that: The gear assembly comprises a first gear (3) and a second gear (4), wherein the first gear (3) is connected to the output end of the first motor (2), the first gear (3) is meshed with the second gear (4), and the screw rod (5) is transmission-connected to the second gear (4).

5. The automobile chassis mounting device according to claim 1, characterized in that: The chain transmission mechanism comprises a No. 4 motor (20), a sprocket (21) and a chain (22); the No. 4 motor (20) is mounted on the sprocket (21); the output end of the No. 4 motor (20) is connected to the sprocket (21); the sprocket (21) is meshed with the chain (22); and one end of the fixing rod (23) is mounted on the chain (22).

6. The automobile chassis mounting device according to claim 5, characterized in that: One end of the second electric telescopic rod (19) is fixedly connected to the fixing frame (1), and the outer surface of the fixing frame (1) is fixedly connected to the fourth motor (20).

7. The automobile chassis mounting device according to claim 1, characterized in that: The paint spraying components include a storage box (26), a high-pressure pump (27) and a high-pressure spray head (28); The storage box (26) is installed on the support plate (25), and the high-pressure pump (27) is installed inside the storage box (26) and connected to the high-pressure nozzle (28) through a pipeline. The output end of the high-pressure nozzle (28) is in an inclined state.

8. The automobile chassis mounting device according to claim 7, characterized in that: The inner wall of the storage box (26) is fixedly connected to a bearing (31), and the inner wall of the bearing (31) is fixedly connected to the output shaft of the fifth motor (24).

9. The automobile chassis mounting device according to claim 1, characterized in that: The sliding mechanism includes a slide groove (14) and a second slider (15), the second slider (15) is movably mounted on the slide groove (14), the third motor (16) is fixedly mounted on the second slider (15), the support rod (18) is arranged on the side wall of the second slider (15), the lower end of the slide groove (14) is fixedly connected to the fixing frame (1), the outer side surface of the slide groove (14) is provided with a strip hole, and the support rod (18) is mounted inside the strip hole.

10. A method for installing an automobile chassis, based on the automobile chassis installation device according to any one of claims 1 to 9, characterized in that: include, S1. Use the screw rod (5) to drive the lifting platform (9) to move up and down, use the electric telescopic rod (10) and the support base (11) to clamp the car chassis, and then use the second motor (12) to drive the roller (13) to rotate, adjust the working position of the car chassis to be installed, and place the parts to be installed in the correct position; S2, the automobile chassis in the correct position is fastened with bolts, the sliding mechanism is driven by the second electric telescopic rod (19), the position of the screw is adjusted according to the actual situation, and the suspension system, brake system and transmission system on the automobile chassis are fastened by the third motor (16) and the electric drill (17); S3, using the chain transmission mechanism to rotate around the automobile chassis, and using the No. 5 motor (24) to drive the high-pressure nozzle (28) of the painting component to rotate, so as to spray paint the automobile chassis in all directions.

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