Device for assembling automobile RDU assembly

Abstract

The utility model discloses a device for assembling an automobile RDU assembly, which comprises a supporting plate, a mounting seat is arranged on the supporting plate, a supporting rod is arranged on the mounting seat, and a supporting block is arranged at the top of the supporting rod. The device for assembling the automobile RDU assembly is high in flexibility, convenient in position adjustment and capable of improving the assembling precision of the RDU assembly and an auxiliary frame.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of automobile RDU assembly, specifically, the utility model relates to a device for automobile RDU assembly. BACKGROUND

[0002] In the automobile industry, RDU assembly (rear drive unit) is assembled on the rear subframe assembly for transmitting rear drive shaft power, but RDU assembly is heavy, which is not conducive to employee assembly, and the external structure is complex, which is inconvenient for employees to take, and direct assembly is very difficult.

[0003] The RDU assembly is usually located below the rear subframe, and the RDU assembly needs to be placed first during the subassembly process, so the RDU assembly is placed at an appropriate height before assembly, and the assembly posture needs to match the placement posture of the rear subframe.

[0004] Because the installation surface of the RDU assembly and the subframe is attached after assembly, the RDU assembly installation plane needs to maintain a certain gap with the subframe before assembly to avoid interference with the RDU during the lowering process of the subframe and cause quality problems; after the subframe is placed, the position degree may not be accurate, and three-way deviation may occur, the current RDU tooling is too heavy, inconvenient to operate, difficult to adjust the position, cannot avoid the rear subframe below, and cannot ensure that the RDU assembly is adjusted to attach to the installation surface of the subframe, affecting the assembly precision.

[0005] The invention patent with publication number CN114650926B discloses a rear drive unit (RDU) for a vehicle on June 6, 2023, which includes a range gear shaft sleeve, a sleeve arranged around the range gear shaft sleeve, a planetary gear set, a differential including a side gear, and a locking plate configured to engage the side gear. The sleeve is configured to move the range gear shaft sleeve between a first position and a second position. The planetary gear set includes a sun gear and at least one planetary gear engaged with the sun gear. The sun gear is configured to engage the range gear shaft sleeve in the second position. The at least one planetary gear includes a pin extending through the entire length of the at least one planetary gear. The rear drive unit for the vehicle cannot solve the above-mentioned technical problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at the shortage of prior art, and provides a device for automobile RDU assembly, which has high flexibility, is convenient to adjust the position, and improves the assembly precision of RDU assembly and subframe.

[0007] In order to achieve the above-mentioned purpose, the technical scheme adopted by the utility model is:

[0008] The device for assembling automobile RDU assembly, comprising a support plate, a mounting seat is arranged on the support plate, a support rod is arranged on the mounting seat, and a support block is arranged on the top of the support rod.

[0009] A bottom plate is arranged below the support plate, and the bottom plate is uniformly distributed with balls, and the bottom of the support plate is in contact with the balls.

[0010] The bottom end of the support rod is hinged to the mounting seat.

[0011] The support rod comprises a first support rod and a second support rod, the second support rod is arranged in pairs, the support block comprises a first support block and a second support block, the first support block is arranged at the top end of the first support rod, and the second support block is arranged at the top end of the second support rod.

[0012] The top of the first support block and the second support block is in arc-shaped structure.

[0013] The end of the first support block and the second support block is provided with a mounting hole, and an adjusting gasket is arranged between the support block and the support rod.

[0014] The first support block is in contact with the bottom of one end of the RDU assembly, and the second support block is in contact with the two sides of the RDU assembly.

[0015] The device for assembling automobile RDU assembly has the technical effects that: through the sliding of the support plate on the balls, the moving flexibility of the components on the support plate is improved, the adjustment in X and Y directions is realized, the support rod is connected with the mounting seat through hinging, can rotate in Z direction by a certain angle, thereby avoiding the space interference with the auxiliary frame and ensuring the accurate alignment of the two mounting surfaces, the adjusting gasket is designed between the support block and the support rod, and the Z direction assembly precision is further improved, and the device has the advantages of flexibility, high assembly reliability. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present specification includes the following drawings, and the shown contents are respectively:

[0017] FIG. 1 It is the structure schematic view of the device for assembling automobile RDU assembly of the utility model;

[0018] FIG. 2-1 And FIG. 2-2 It is the assembly schematic view of the device for assembling automobile RDU assembly of the utility model.

[0019] In the drawing, 1 is a support plate, 2 is a bottom plate, 3 is a ball, 4 is a mounting seat, 5 is a support rod, 6 is a first support rod, 7 is a second support rod, 8 is a support block, 9 is a first support block, 10 is a second support block, 11 is a mounting hole, 12 is an adjusting gasket, 13 is an opening, 14 is a connecting hole, and 15 is an RDU assembly. Detailed Implementation

[0020] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, in order to help those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of this invention, and to facilitate its implementation.

[0021] like FIGS. 1-2-2 As shown, the device for assembling automotive RDU assemblies includes a support plate 1, a mounting base 4 on the support plate 1, a support rod 5 on the mounting base 4, and a support block 8 on the top of the support rod 5.

[0022] The support rod 5 is vertically positioned to suspend the RDU assembly, facilitating its connection and installation with the subframe. The support plate 1 is movable on the base plate 2, allowing for changes in the relative position of the RDU assembly and the subframe mounting holes 11. This ensures RDU assembly quality, prevents damage to threaded holes caused by improper installation during assembly, and avoids component scrapping. The device is simple in design, uses few parts, and has low manufacturing costs.

[0023] like FIG. 1 As shown, a base plate 2 is located below the support plate 1, and ball bearings 3 are evenly distributed on the base plate 2. The bottom of the support plate 1 contacts the ball bearings 3. In this structure, the support plate 1, placed on the base plate 2, can slide on the ball bearings 3, reducing movement resistance and enabling position adjustment in the XY plane. This allows for easy position adjustment, facilitating assembly and reducing the labor intensity of employees. The levelness of the support plate 1 is less than 0.05mm. The support plate 1 is made of 45# steel to ensure the support strength of the RDU assembly.

[0024] like FIG. 1 As shown, the bottom end of the support rod 5 is hinged to the mounting base 4. This structure allows the support rod 5 to rotate around the Z-axis by a certain angle, further improving the flexibility of the support rod 5 and preventing the mounting hole 11 from being unable to align due to subframe positional deviation. The mounting base 4 has openings 13 on both sides to allow the support rod 5 to make room when it rotates by a certain angle, and has connecting holes 14 on the side, which can be used to lock the support rod 5 with locking pins.

[0025] like FIG. 1 As shown, the support rod 5 includes a first support rod 6 and a second support rod 7, with the second support rod 7 arranged in pairs. The support block 8 includes a first support block 9 and a second support block 10, with the first support block 9 located at the top of the first support rod 6 and the second support block 10 located at the top of the second support rod 7. Using three support rods 5 is sufficient to provide stable support for the RDU assembly, reducing the number of support components required and simplifying operation.

[0026] like FIG. 1As shown in the drawings, the top of the first support block 9 and the second support block 10 is arc-shaped structure. The first support block 9 and the second support block 10 are profiled design, which can ensure that the support block 8 is in contact with the support position of the RDU assembly and the contact position is smooth. The support block 8 is processed by a numerical control machine tool, and the precision can be controlled below 0.5mm, and the overall precision can be controlled below 1mm, which can completely ensure the feasibility of assembly. The material of the support block 8 is nylon. The friction coefficient of nylon material is low, which can reduce the wear between the support block 8 and the RDU assembly, and has good wear resistance, which can resist friction and wear, and has long service life.

[0027] As shown in the drawings, FIG. 1 The first support block 9 and the second support block 10 are provided with mounting holes 11 at the end; and the support block 8 is provided with an adjusting gasket 12 between the support block 8 and the support rod 5. The support block 8 is connected with the adjusting gasket 12 through a connecting piece, which is convenient for disassembly and replacement of the corresponding type of support block 8. The adjusting gasket 12 is also fixed on the top of the support rod 5 through a connecting piece, and the Z-direction height of the support block 8 is adjusted by replacing the specifications or increasing or decreasing the number of adjusting gaskets 12, so as to ensure the Z-direction support stability of the support block 8 after the RDU is placed.

[0028] As shown in the drawings, FIG. 2-1 and FIG. 2-2 The first support block 9 contacts the bottom of one end of the RDU assembly, and the second support block 10 contacts the two sides of the RDU assembly. The first support block 9 is used to support the rear output end of the RDU assembly, and the two second support blocks 10 are used to support the left and right output ends of the RDU assembly, so as to form three-point support for the RDU assembly, thereby improving the stability of the RDU assembly.

[0029] The operation method is as follows: 1. First, install the ball 3 bottom plate 2 on the rear subframe subassembly tray base plate, and install the limiting pin around the bottom plate 2. Then place the support part (including the support plate 1 and its components) on the ball 3, and use the lifting tool to hoist the RDU assembly to the three support rods 5 of the tool, and install it in place; 2. Hoist the rear subframe to above the rear axle subassembly tray, and slide the support tool to avoid the placement position of the rear subframe during placement to prevent collision. After the subframe is placed in place, push the RDU assembly to align the mounting holes with the rear subframe mounting holes 11 for assembly. Because the RDU support tool can slide in multiple directions on the ball 3, and the support rod 5 can rotate in Z direction by a certain angle, the hole is convenient, and only the Z-direction height of the tool needs to be controlled by adjusting the gasket.

[0030] The device for assembling automobile RDU assembly improves the moving flexibility of the components on the support plate 1 by sliding of the support plate 1 on the ball 3, realizes the adjustment in X, Y directions, the support rod 5 is connected with the mounting seat 4 by hinging, can rotate in Z direction by a certain angle, thereby avoiding the space interference with the auxiliary frame and ensuring the accurate alignment of the installation surfaces of the two, the adjusting gasket 12 is further designed between the support block 8 and the support rod 5, further improves the assembly precision in Z direction, has the advantages of high flexibility, reliable assembly.

[0031] The utility model has been described exemplarily above in combination with the drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned mode. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model; or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, all of which are within the protection scope of the utility model.

Claims

1. An apparatus for automotive RDU assembly, characterized by: The utility model provides a support plate (1) is provided with the mounting seat (4) on the support plate (1), the mounting seat (4) is provided with the support rod (5), the support rod (5) top is equipped with the support block (8), the support plate (1) below is equipped with the bottom plate (2), the bottom plate (2) is evenly distributed with the ball (3), and the support plate (1) bottom is contacted with the ball (3).

2. The apparatus for assembling an automotive RDU assembly of claim 1, wherein: The support rod (5) bottom end is articulated with the mounting seat (4).

3. The apparatus for assembling an automotive RDU assembly of claim 2, wherein: The support rod (5) includes first support rod (6) and second support rod (7), and the second support rod (7) is provided in pairs, the support block (8) includes first support block (9) and second support block (10), the first support block (9) is equipped at the first support rod (6) top end, and the second support block (10) is equipped at the second support rod (7) top end.

4. The apparatus for assembling an automotive RDU assembly of claim 3, wherein: The first support block (9) and second support block (10) top are arc structures.

5. The apparatus for assembling an automotive RDU assembly of claim 4, wherein: The first support block (9) and second support block (10) end are equipped with mounting hole (11), and the support block (8) is equipped with adjusting washer (12) between the support rod (5).

6. The apparatus for assembling an automotive RDU assembly of any of claims 3-5, wherein: The first support block (9) contacts RDU assembly one end bottom, and the second support block (10) contacts RDU assembly both sides.

Images