JP2005186635A - Rear suspension assembling method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rear suspension assembling method excellent in the working easiness, capable of making the facility in a simple and small construction and reducing the burden on the operator. <P>SOLUTION: A sub-frame 11 is located by a sub-frame supporting part 5 of an assembly jig 1, and suspension constituent members including a rear arm 22 are placed on a suspension assembly placing part 6 one by one with the outside across the vehicle width positioned down so that a suspension assembly 20 is erected, wherein the bottom front coupling parts 13a and 23a of the sub-frame 11 and the rear arm 22 are coupled together by a front lower link 16, and the suspension assembly 22 is raised upright centering on the coupling part of the bottom front coupling part 23a of the rear arm 22 with the front lower link 16, and the bottom rear coupling parts 13c and 23c of the sub-frame 11 and the rear arm 22 are coupled with the top coupling parts 13c and 23c through a rear lower link 17 and an upper link 18. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a method for assembling a rear suspension in which a suspension assembly is connected to both ends of a subframe via links.

  For example, a conventional method for assembling a rear suspension in which a suspension assembly is coupled to both ends of a subframe via suspension links will be described with reference to FIG.

  FIG. 5 is a plan view of the rear suspension assembly line 101. In the rear suspension assembly line 101, a suspension assembly assembly line 102 and an assembly line 103 arranged in parallel on the rear side along the conveying direction of the suspension assembly assembly line 102 are arranged in parallel.

  On the first pallet 105 conveyed by the suspension assembly assembly line 102, the brake assembly 113 and the rear arm 114 are assembled to the hub unit 112 to assemble the suspension assembly 111, while on the second pallet 106 conveyed by the assembly line 103. In addition, the subframe 115 is fixedly mounted and the links 116 and 117 are prepared. Then, the suspension assembly 111 assembled in the suspension assembly assembly line 102 is supplied to the second pallet 106 of the assembly line 103 by a carriage or the like, and the pair of suspension assemblies 111 supplied to the second pallet 106 are connected to the link 116. The rear suspension 110 is assembled by connecting to both ends of the subframe 115 via 117 (see, for example, Patent Document 1).

Japanese Patent No. 3052032

  According to the assembly method of the rear suspension described in Patent Document 1, the assembly is performed in the suspension assembly assembly line 102 by arranging the assembly line 103 in parallel on the rear side along the conveying direction of the suspension assembly assembly line 102. The transport distance for supplying the suspension assembly 111 to the assembly line 103 is shortened.

  However, since the suspension assembly assembly line 102 for assembling the suspension assembly 111 and the assembly line 103 for connecting the suspension assembly 111 to the subframe 115 via the links 116 and 117 are provided, the rear assembly for assembling the rear suspension 100 is provided. The suspension assembly line 101 is large and requires a large installation space. In addition, a carriage or suspension assembly 111 for transporting the suspension assembly 111 assembled in the suspension assembly assembly line 102 to the assembly line 103 is positioned and connected via the links 106 and 107 to the subframe 115. Assembling auxiliary devices are required, and many equipment costs and running costs are required.

  Further, the suspension assembly 111 in which the brake component 113 and the rear arm 114 are assembled to the hub unit 112 is heavy, and the suspension assembly 111 is transferred from the assembly line 102 to the assembly line 103, and the suspension assembly 111 and the subframe 115 are linked. The connection work by 106 and 107 has a heavy burden on the worker and there is a concern that workability may be reduced.

  Therefore, the object of the present invention made in view of such points is that the equipment can be simplified and miniaturized, the equipment cost and the running cost can be reduced, and the workability for reducing the burden on the operator is excellent. An object of the present invention is to provide a method for assembling a rear suspension.

  The rear suspension assembly method according to claim 1, which achieves the above object, includes a hub unit and an upper connecting portion on an upper side of a housing holding the hub unit and a lower connecting portion on a lower side at both ends of the subframe. And a lower link that connects the lower connecting portion and the lower connecting portion formed at the end of the sub-frame, and the upper link. When assembling a rear suspension connected via an upper link connecting the connecting portion and the upper connecting portion formed at the end of the subframe, the subframe support portion for positioning the subframe and the suspension assembly are positioned and mounted. An assembly jig having a suspension assembly mounting portion to be placed, and supporting the subframe To position the sub-frame, and sequentially place the lower arm connecting portion on the suspension assembly mounting portion on the sub-frame side and with each suspension component member facing downward in the vehicle width direction. Assembling the suspension assembly, the lower connecting portion of the subframe and the lower connecting portion formed on the rear arm of the suspension assembly are connected via the lower link, and the lower connecting portion of the rear arm and the lower link are connected to each other. The suspension assembly is raised around the connecting portion, and the upper suspension portion of the subframe and the upper linkage portion of the rear arm are connected via the upper link to assemble the rear suspension.

  The rear suspension assembly method according to claim 2, which achieves the above object, includes a hub unit and an upper connecting portion on the upper side of the housing holding the hub unit and a lower front portion and a rear portion at both ends of the subframe. Suspension assemblies assembled by a plurality of suspension constituent members each including a lower front connecting portion and a rear arm having a lower rear connecting portion formed on the lower front connecting portion and the end of the subframe. A front lower link for connecting the lower front connection part formed on the rear lower connection part for connecting the lower rear connection part and the lower rear connection part formed at the end of the subframe, and the upper side link When assembling the rear suspension connected via the upper link connecting the connecting portion and the upper connecting portion formed at the end of the sub-frame, An assembly jig having a subframe support portion for positioning the subframe and a suspension assembly placement portion for positioning and placing the suspension assembly; and positioning the subframe by the subframe support portion; Assembling the suspension assembly by sequentially placing the lower front connection part and the lower rear connection part of the rear arm on the mounting part on the subframe side and the vehicle width direction outer side of each suspension component member downward, An inner end of the rear lower link is connected to a lower rear connecting portion of the subframe, and a lower front connecting portion formed on a lower front connecting portion of the subframe and a rear arm of the suspension assembly is provided. It is connected via the front lower link, and the lower front connecting portion of the rear arm and the front lower link The suspension assembly is raised about the connecting portion of the rear link, the outer end of the rear lower link is connected to the lower rear connecting portion formed on the rear arm, and the upper connecting portion of the subframe and the upper connecting portion of the rear arm are connected to the upper link. It is characterized by assembling the rear suspension by connecting via the.

  According to a third aspect of the present invention, there is provided a rear suspension assembling method that achieves the above-mentioned object, wherein the hub unit and the upper and lower front portions and the rear portion of the housing holding the hub unit are respectively connected to the both ends of the subframe. A suspension assembly assembled by a plurality of suspension components including a rear arm, a rear arm having a lower front connecting portion and a lower rear connecting portion, and an end portion of the lower front connecting portion and the subframe. A front lower link for connecting the lower front connection part formed on the rear lower connection part for connecting the lower rear connection part and the lower rear connection part formed at the end of the subframe, and the upper side link In assembling the suspension connected via the upper link connecting the connecting portion and the upper connecting portion formed at the end of the subframe, An assembly jig having a subframe support portion for positioning the frame and a suspension assembly mounting portion for positioning and mounting the suspension assembly, and positioning the subframe by the subframe support portion, and mounting the suspension assembly. Assemble the suspension assembly by placing the lower front connecting portion and the lower rear connecting portion of the rear arm on the mounting portion on the subframe side and sequentially placing each suspension component member on the outside in the vehicle width direction downward. An inner end of the front lower link is connected to a lower front connecting portion of the subframe, and a lower rear connecting portion formed on a lower rear connecting portion of the subframe and a rear arm of the suspension assembly is connected to the rear lower portion. It is connected via the link, and the suspension is centered on the connection part between the lower rear connection part of the rear arm and the rear lower link. The outer end of the front lower link is connected to the lower front connecting portion formed on the rear arm, and the upper connecting portion of the subframe and the upper connecting portion of the rear arm are connected via the upper link. The rear suspension is assembled.

  According to a fourth aspect of the present invention, in the rear suspension assembly method according to any one of the first to third aspects, the assembly jig includes a differential device mounting table on which the differential device is mounted, and the differential device mounting table. The differential device is mounted on the subframe, and the subframe positioned by the subframe support portion and the differential device are coupled to each other.

  According to the first aspect of the present invention, the suspension assembly is assembled by sequentially placing each suspension component member including the hub unit and the rear arm on the suspension body placement portion of the assembly jig with the vehicle width direction outside facing downward. Therefore, the assembly workability of the suspension assembly is good, and the suspension assembly is operated with a light force centering on the connection portion of the lower link connected to the subframe positioned by the subframe support and the lower link of the rear arm. The rear suspension can be assembled by a simple operation that easily raises and connects each upper connecting part of the subframe and the rear arm with the upper link, and the burden on the operator can be reduced. Reduction can be obtained and excellent workability can be secured.

  Furthermore, since the assembly of the suspension assembly and the connection of the suspension assembly and the subframe by the lower link and the upper link can be performed with a single mounting jig, the equipment can be reduced in size and simplified, and the installation space can be reduced. Significant reductions and reductions in equipment costs and running costs can be expected.

  According to the invention of claim 2, the suspension assembly is easily caused by a light force around the connecting portion of the front lower link connected to the subframe positioned by the subframe support portion and the lower front connecting portion of the rear arm. Accordingly, the position of the outer end of the rear lower link and the lower rear connecting portion of the rear arm can be accurately set, and the connecting operation of the rear lower link and the lower rear connecting portion of the rear arm can be easily performed. In addition, the assembly workability of the rear suspension that connects the subframe and the suspension assembly by the front lower link, the rear lower link, and the upper link can be ensured.

  According to the third aspect of the present invention, the suspension assembly is easily caused by a light force around the connecting portion between the rear lower link connected to the subframe positioned by the subframe support and the lower rear connecting portion of the rear arm. Accordingly, the position of the outer end of the front lower link and the lower front connecting portion of the rear arm can be accurately set, and the connecting operation of the front lower link and the lower front connecting portion of the rear arm can be easily performed. In addition to the invention, assembly workability of the rear suspension in which the subframe and the suspension assembly are connected by the front lower link, the rear lower link, and the upper link can be ensured.

  According to the fourth aspect of the present invention, the subframe and the differential device can be easily coupled by mounting the differential device on the differential device mounting table and coupling the subframe positioned by the subframe support portion with the differential device. .

  Hereinafter, an embodiment of an assembly method for a rear suspension according to the present invention will be described with reference to FIGS.

  1 to 3 are perspective views sequentially showing the assembled state of the rear suspension. Since the rear suspension and the assembly jig are symmetrical, only the left side for convenience of explanation is shown in FIGS. 1 to 3, and the right side is omitted.

  In FIG. 1, reference numeral 1 denotes an assembly jig arranged on the rear suspension assembly line. The assembly jig 1 has a support base 3 that is attached to the upper end of the base 2 and extends in the horizontal direction. And the differential apparatus mounting part 4 protrudes and is provided in the center part. Further, a suspension assembly mounting portion 6 and a rear arm support portion 7 are provided near the end of the support base 3, and a subframe support portion 5 is provided between the subframe mounting portion 4 and the rear arm support portion 7. .

  The upper surface 4a of the differential device mounting portion 4 is formed in a planar shape on which a later-described differential device 14 can be mounted, and a pair of positioning members 4b that sandwich and position the differential device 14 mounted on the upper surface 14a. Is provided. A flat support surface 5a for supporting the end portion 11d of the front frame 11a of the subframe 11 and a bush 12 protruding from the support surface 5a and provided on the end portion 11d of the front frame 11a are provided at the upper end of the subframe support portion 5. Positioning pins 5b are provided for positioning the sub-frame 11 by being inserted into the frame.

  The suspension assembly mounting part 6 is formed with a fitting part 6a for positioning the suspension assembly 20, and the rear arm 22 placed on the suspension assembly mounting part 6 is stably held at the upper end of the rear arm support part 7. An arm holding portion 7a is formed.

  Here, the assembled rear suspension 10 shows the respective members before assembly as shown in FIG. 1 and, as shown in FIG. 3, both ends of the front frame 11a and the rear frame 11b arranged in parallel are connected by side frames 11c. A substantially frame-shaped subframe 11 is provided, and a bush 12 for attaching the subframe 11 to a vehicle body frame (not shown) is provided at each end 11d of the front frame 11a and the rear frame 11b. Further, a front lower link 16, a rear lower link 17, a lower link 17 of the rear lower link 17, and an inner end of the upper link 18 are pivotably connected to the front, rear, and center of the side end of the subframe 11, respectively. A part connecting part 13a, a lower rear connecting part 13b, and an upper connecting part 13c are provided. Further, a differential support portion 13d for bolting the rear end 14a of the differential device 14 is formed at the center of the rear frame 11b.

  The suspension assembly 20 includes a housing 22a that holds a hub unit 21 that supports an axle and a rear arm 22 that is integrally formed with an arm portion 22b that extends from the housing 22a toward the front of the vehicle body. A lower front connecting portion 23a that slidably connects the outer ends of the front lower link 16, the rear lower link 17, and the upper link 18 to the lower front portion, the lower rear portion, and the upper portion of the housing 22a, respectively. A lower rear connection part 23b and an upper connection part 23c are formed. Further, a rear arm bracket 24 to be attached to the vehicle body frame is provided at the front end of the arm portion 22b extending forward of the rear arm 22 via a bush and a connecting bolt (not shown). Further, a brake disc 26 is attached to the hub unit 21, a parking brake 27 is attached between the rear arm 22 and the brake disc 26, and a brake component such as a caliper 28 is attached to the housing 22 a of the rear arm 22.

  Next, a method for assembling the rear suspension 10 using the assembly jig 1 will be described in the order of steps according to the flowchart shown in FIG.

  First, the positioning device 4b positions the differential device 14 and places the differential device 14 on the upper surface 4a of the differential device mounting portion 4 provided to project from the center portion of the support base 3 of the assembly jig 1 (step S1). ).

  The subframe 11 is carried over the differential device 14 mounted on the differential device mounting portion 4 so as to be covered from above, and the bush 12 provided at the end portion 11d of the front frame 11b is attached to the subframe support portion. The sub-frame 11 is placed with the end portion 11d abutting against the support surface 5a (step S2). Next, the differential support portion 13d of the rear frame 11b and the rear portion 14a of the differential device 14 are fastened with fastening bolts (not shown) (step S3). In this fastening, the differential device 14 is positioned on the differential device mounting portion 4 and the subframe 11 is positioned by the subframe support portion 5 so that the positional accuracy of the differential device 14 and the differential support portion 13d of the subframe 14 can be secured. Easy and highly accurate.

  On the other hand, the brake disk 26 is positioned and mounted on the suspension assembly mounting portion 6 with its outer side in the vehicle width direction downward (step S4). Further, the hub unit 21 is placed on the brake disc 26 that has been positioned and placed with the outer side in the vehicle width direction facing downward (step S5), and the parking brake 26 is placed on the hub unit 21 with the outer side in the vehicle width direction facing downward. Is placed (step S6).

  On the parking brake 26, the housing 22a of the rear arm 22 is placed with the lower front connecting portion 23a and the lower rear connecting portion 23b facing the subframe 11 and facing outward in the vehicle width direction, and the arm portion 22b is held by the arm. The rear arm 22 is placed in a stable state on the portion 7a (step S7).

  The housing 22a of the rear arm 22 and the hub unit 21 which are stacked with the parking brake 26 interposed therebetween are fastened with fastening bolts (not shown) (step S8). Further, the caliper 28 is positioned on the rear arm 22 and bolted (step S9) to assemble the suspension assembly 20.

  The suspension assembly 20 is assembled by placing suspension components such as the brake disc 26, the hub unit 21, the parking brake 26, the rear arm 22 and the like on the suspension assembly mounting portion 6 with their outer sides in the vehicle width direction downward. It can be assembled in a stable state by mounting, stacking and joining. Therefore, the workability is excellent and work safety can be ensured.

  Next, the inner end of the front lower link 16 is assembled to the lower front connecting portion 13a of the subframe 11 by a connecting bolt (not shown) via a bush so as to be swingable in the vertical direction (step S10). Similarly, the inner end of the rear lower link 17 is assembled to the lower rear connecting portion 13b of the subframe 11 so as to be swingable in the vertical direction by a connecting bolt (not shown) via a bush (step S11).

  Next, as shown in FIG. 2, the outer end of the front lower link 16 is temporarily fixed to the lower front connecting portion 23a of the rear arm 22 via a bushing so as to be swingable in the vertical direction (not shown). S12). Here, the inner end is connected to the subframe 11 positioned by the subframe support portion 5 to position the front lower link 16, while the suspension assembly 20 is positioned and mounted on the suspension assembly mounting portion 6. Since the lower front connection part 23a of the rear arm 22 is placed and held in a positioned state, the subframe 11 is positioned by the subframe support part 5 and the suspension assembly by the suspension assembly mounting part 6 in advance. By appropriately setting the positioning state of 20, the position of the outer end of the front lower link 16 temporarily fixed to each other and the lower front connecting portion 23 a of the rear arm 22 can be accurately set. Temporary fixing with the connecting bolt of the outer end of the link 16 and the lower front connecting portion 23a of the rear arm 22 It can be easily performed.

  The inner end of the upper link 18 is temporarily fixed to the upper connecting portion 13c of the subframe 11 by a connecting bolt (not shown) via a bush so as to be swingable in the vertical direction (step S13).

  Then, as shown in FIG. 3, the suspension assembly 20 is raised around the temporarily connected connection portion between the lower front connection portion 23 a of the rear arm 22 and the outer end of the front lower link 16 to erect the suspension assembly 20. (Step S14). The suspension assembly 20 is caused to cause the lower front connecting portion 23a of the rear arm 22 serving as the center of rotation and the temporarily fixed connecting portion of the outer end of the front lower link 16 to be connected via the front lower link 16. Since it is connected to the frame 11 and the movement is surely restricted, and it is held in a stable state supported from below by the support base 3 of the assembling jig 1, it can be easily caused by an extremely light force.

  The lower rear connecting portion 23b of the rear arm 22 and the outer end of the rear lower link 17 are connected via a bushing so as to be swingable in the vertical direction by a connecting bolt (step S15). Here, the inner end is connected to the sub-frame 11 placed on the sub-frame placing portion 4 via the differential device 14 and positioned by the sub-frame support portion 5, and the rear lower link 17 is positioned. Since the lower front connecting portion 23a of the rear arm 22 is connected to the subframe 11 via the front lower link 16, the outer end of the rear lower link 17 connected by the connecting bolt and the lower rear connecting portion of the rear arm 22 are connected. The position of 23b is accurately set, and the outer end of the rear lower link 17 and the lower rear connecting portion 23a of the rear arm 22 can be easily fastened by the connecting bolt.

  The upper connecting portion 23b of the rear arm 22 and the outer end of the upper link 18 are connected via a bushing so as to be swingable in the vertical direction by a connecting bolt (step S16). Here, the rear arm 22 is connected via the front lower link 16 and the rear lower link 17 to the subframe 11 placed on the differential device placement portion 4 via the differential device 14 and positioned by the subframe support portion 5. Thus, the positions of the sub-frame 11 and the rear arm 22 can be accurately set, and the outer end of the upper link 18 and the upper connecting portion 23c formed on the rear arm 22 can be easily fastened by the connecting bolt.

  And the connection part of the outer end of the front lower link 16 and the lower front connection part 23a of the rear arm 22 and the connection part of the upper connection part 13c of the subframe 11 and the inner end of the upper link 18 in the temporarily fixed state. To complete the assembly of the rear suspension 10 (step S17). The assembled suspension 10 is carried out to a subsequent process (step S18).

  Therefore, according to the present embodiment, the suspension components of the brake disk 26, the hub unit 21, the parking brake 26, and the rear arm 22 are sequentially placed on the suspension body placing portion 6 with their outer sides in the vehicle width direction facing downward. Then, the assembly workability of the suspension assembly 20 can be ensured by stacking them and connecting them, and the suspension assembly 20 is attached to the subframe 11 by the suspension links such as the front lower link 16, the rear lower link 17, and the upper link 18. The workability is excellent and the burden on the worker is greatly reduced, and the assembly of the suspension assembly 20 and the attachment work to the subframe 11 can be performed simultaneously on the rear suspension assembly line, resulting in rationalization of the assembly work and simplification of the work. Reducing man-hours

  Further, since the assembly of the suspension assembly 20 and the operation of attaching the suspension assembly 20 to the subframe 11 by the front lower link 16, the rear lower link 17, and the upper link 18 can be performed by the single attachment jig 1, the suspension assembly A suspension assembly assembly line for assembling a three-dimensional structure, an assembly line for connecting the suspension assembly and the subframe, and an assembly auxiliary device such as a carriage for transferring the suspension assembly become unnecessary, and the installation space is greatly reduced. Reduction of equipment cost and running cost can be expected. In addition, the suspension assembly can be prevented from dropping and the safety of the operation is improved.

  In addition, this invention is not limited to the said embodiment, A various change is possible in the range which does not deviate from the meaning of invention. For example, in the above embodiment, the suspension assembly 20 is caused in a state where the outer end of the front lower link 16 and the lower front connecting portion 23a of the rear arm 22 are temporarily fixed with a connecting bolt. 17 and the lower rear connecting portion 23b of the rear arm 22 are temporarily fixed with connecting bolts to cause the suspension assembly 20. Alternatively, the outer end of the front link 16 and the lower front connecting portion of the rear arm 22 are also caused. The suspension assembly 20 can also be caused in a state where both the outer ends of 23a and the rear lower link 17 and the lower rear connecting portion 23b of the rear arm 22 are temporarily fixed with connecting bolts.

It is a perspective view which shows the assembly state of the rear suspension by embodiment of the assembly method of the rear suspension in this invention. Similarly, it is a perspective view which shows the assembly state of a rear suspension. Similarly, it is a perspective view which shows the assembly state of a rear suspension. It is a flowchart which shows a process. It is explanatory drawing of the conventional suspension assembly method.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Assembly jig 2 Base 3 Support base 4 Differential apparatus mounting part 5 Sub frame support part 6 Suspension assembly mounting part 7 Trailing arm support part 10 Rear suspension 11 Sub frame 11a Front frame 11b Rear frame 11c Side part Frame 12 Bush 13a Lower front connecting portion 13b Lower rear connecting portion 13c Upper connecting portion 13d Differential support portion 14 Differential device 16 Front lower link (lower link)
17 Rear lower link (lower link)
18 Upper link 20 Suspension assembly 22 Rear arm (suspension component)
21 Hub unit (suspension component)
22 Rear arm (suspension component)
22a housing 22b arm part 23a lower front connecting part 23b lower rear connecting part 23c upper connecting part 24 rear arm bracket 26 brake disc (suspension component)
27 Parking brake (suspension component)
28 Caliper (suspension component)

Claims (4)

A suspension assembly assembled by a plurality of suspension components including a hub unit and a rear arm having an upper connecting portion on the upper side and a lower connecting portion on the lower side of a housing holding the hub unit at both ends of the subframe. A lower link that connects the lower connecting portion and the lower connecting portion formed at the end of the subframe, and an upper that connects the upper connecting portion and the upper connecting portion formed at the end of the subframe. When assembling the rear suspension connected via the link,
An assembly jig having a subframe support portion for positioning the subframe and a suspension assembly placement portion for positioning and placing the suspension assembly;
While positioning the subframe by the subframe support portion,
The suspension assembly is assembled by sequentially placing the lower connecting portion of the rear arm on the subframe side on the suspension assembly placement portion and placing the suspension component members on the outside in the vehicle width direction downward,
Connecting the lower connecting portion of the subframe and the lower connecting portion formed on the rear arm of the suspension assembly via the lower link;
The suspension assembly is caused around the connection portion between the lower link portion of the rear arm and the lower link, and the upper suspension portion of the subframe and the upper connection portion of the rear arm are connected via the upper link to assemble the rear suspension. A method of assembling the rear suspension. A rear arm having an upper connecting portion and a lower front portion on the upper side of a housing holding the hub unit, and a lower front connecting portion and a lower rear connecting portion on the rear portion, respectively, at both ends of the subframe; A suspension assembly assembled by a plurality of suspension components including a front lower link connecting the lower front connecting portion and a lower front connecting portion formed at an end of the subframe, and the lower A rear lower link connecting the side rear connecting portion and the lower rear connecting portion formed at the end of the subframe; and an upper connecting the upper connecting portion formed at the end of the upper connecting portion and the subframe. When assembling the rear suspension connected via the link,
An assembly jig having a subframe support portion for positioning the subframe and a suspension assembly placement portion for positioning and placing the suspension assembly;
While positioning the subframe by the subframe support part,
Suspensions that are sequentially placed on the suspension assembly mounting portion with the lower front connecting portion and the lower rear connecting portion of the rear arm on the sub-frame side and the suspension component members facing outward in the vehicle width direction. Assemble the assembly
An inner end of the rear lower link is connected to a lower rear connecting portion of the subframe, and a lower front connecting portion formed on a lower front connecting portion of the subframe and a rear arm of the suspension assembly is provided. Connect via the front lower link,
The suspension assembly is caused around the lower front connecting portion of the rear arm and the connecting portion of the front lower link, and the outer end of the rear lower link is connected to the lower rear connecting portion formed on the rear arm and the sub An assembly method for a rear suspension, comprising assembling a rear suspension by connecting an upper connection portion of a frame and an upper connection portion of a rear arm via an upper link. A rear arm having an upper connecting portion and a lower front portion on the upper side of a housing holding the hub unit, and a lower front connecting portion and a lower rear connecting portion on the rear portion, respectively, at both ends of the subframe; A suspension assembly assembled by a plurality of suspension components including a front lower link connecting the lower front connecting portion and a lower front connecting portion formed at an end of the subframe, and the lower A rear lower link connecting the side rear connecting portion and the lower rear connecting portion formed at the end of the subframe; and an upper connecting the upper connecting portion formed at the end of the upper connecting portion and the subframe. When assembling the rear suspension connected via the link,
An assembly jig having a subframe support portion for positioning the subframe and a suspension assembly placement portion for positioning and placing the suspension assembly;
While positioning the subframe by the subframe support portion,
The suspension assembly is mounted on the suspension assembly mounting portion by sequentially placing the lower front connecting portion and the lower rear connecting portion of the rear arm on the subframe side and with each suspension component member facing downward in the vehicle width direction. Assembling a solid
An inner end of the front lower link is connected to a lower front connecting portion of the subframe, and a lower rear connecting portion formed on a lower rear connecting portion of the subframe and a rear arm of the suspension assembly is connected to the rear frame. Connected through the lower link,
The suspension assembly is raised around the lower rear connecting part of the rear arm and the connecting part of the rear lower link, and the outer end of the front lower link is connected to the lower front connecting part formed on the rear arm and the subframe. A rear suspension assembly method comprising assembling a rear suspension by connecting an upper connection portion of the rear arm and an upper connection portion of a rear arm via an upper link. The assembly jig has a differential device mounting table for mounting the differential device,
4. The rear suspension according to claim 1, wherein the differential unit is mounted on the differential unit mounting table, and the sub-frame positioned by the sub-frame support unit is coupled to the differential unit. Assembly method.

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