JP2016150626A - Supporting structure of axle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a supporting structure of an axle capable of suppressing an assembling error of a position of an axle to a vehicle body frame.SOLUTION: A V-rod bracket 5 and a torque rod bracket 8 are fixed to a vehicle body frame 2. An association end portion of a V-rod is coupled to the axle, and a branch end portion of the V-rod is coupled to the V-rod bracket 5. One end portion of a toque rod is coupled to the axle, and the other end portion of the torque rod is coupled to the torque rod bracket 8. The axle is supported on a vehicle body side by the V-rod and the torque rod. A first bolt insertion hole is formed on the V-rod bracket 5, a second bolt insertion hole is formed on the torque rod bracket 8, and a third bolt insertion hole is formed. By inserting a positioning bolt 15 in the first to third bolt insertion holes to fasten, the V-rod bracket 5 and the torque rod bracket 8 are fixed to the vehicle body frame 2.SELECTED DRAWING: Figure 5

Description

  The present invention relates to an axle support structure.

  Patent Document 1 describes a structure in which an axle is supported on a vehicle body frame by a torque rod and a V rod.

  The torque rod bracket to which the torque rod is connected is fixed to a side member constituting the vehicle body frame via an attachment plate at a central position between the front and rear axles. The cross bracket to which the V rod is connected is fixed to the cross member and the side member before and after the cross portion between the both ends of the cross member constituting the body frame and the side member.

  The end of the front torque rod is pivotally attached to the torque rod bracket and the beam attached to the front axle axle case, and the rear torque rod end is attached to the torque rod bracket and the rear axle axle case. It is pivotally attached to the beam attached to the.

  The front V-rod has a meeting end connected to a mounting bracket attached to the front axle axle case, and each branch end connected to a front crossing bracket. The rear V-rod has a meeting end connected to a mounting bracket attached to the rear axle axle case, and each branch end connected to a rear cross bracket.

Japanese Patent No. 3724120

  In the above conventional structure, the cross bracket (V rod bracket) to which the V rod is connected and the torque rod bracket to which the torque rod is connected are individually and independently fixed to the vehicle body frame. May not be stable, and the assembly error of the position of the axle with respect to the vehicle body frame may increase.

  Accordingly, an object of the present invention is to provide an axle support structure capable of suppressing an assembly error in the position of the axle with respect to the vehicle body frame.

  In order to achieve the above object, according to the first aspect of the present invention, the V rod bracket and the torque rod bracket are fixed to the vehicle body frame, the meeting end of the V rod is connected to the axle, and the V rod is branched. The end is connected to the V rod bracket, one end of the torque rod is connected to the axle, the other end of the torque rod is connected to the torque rod bracket, and the axle is moved to the vehicle body frame side by the V rod and the torque rod. A supporting structure for supporting, comprising a first bolt insertion hole, a second bolt insertion hole, a third bolt insertion hole, and a positioning bolt.

  The first bolt insertion hole is formed in the V rod bracket, the second bolt insertion hole is formed in the torque rod bracket, and the third bolt insertion hole is formed in the vehicle body frame. The positioning bolt is inserted into the first to third bolt insertion holes, and the V rod bracket and the torque rod bracket are attached to the vehicle body frame by fastening the positioning bolts inserted through the first to third bolt insertion holes. It is fixed against.

  In the above configuration, the V rod bracket and the torque rod bracket are fastened together by the positioning bolt and fastened and fixed to the vehicle body frame. For this reason, the relative position between the V rod bracket and the torque rod bracket is stabilized, and an assembly error in the position of the axle with respect to the vehicle body frame can be suppressed.

  A second aspect of the present invention is the axle support structure according to the first aspect, wherein the body frame has a pair of left and right side members and a cross member. The pair of left and right side members extend in the front-rear direction on both sides in the vehicle width direction. The cross member extends in the vehicle width direction between the front and rear axles and is connected to a pair of left and right side members.

  The axle includes a front axle and a rear axle, and the V rod includes a front V rod and a rear V rod. The front V rod is disposed in front of the cross member, and the meeting end portion is located at the front end. The rear V rod is disposed behind the cross member, and the meeting end is located at the rear end. The meeting end of the front V-rod is connected to the front axle. The meeting end of the rear V rod is connected to the rear axle.

  The cross member has a vertical wall portion that stands in a substantially vertical direction and extends in the vehicle width direction. At the end of the vertical wall portion of the cross member, a cutout portion that communicates the front and rear of the cross member is formed.

  The V rod bracket has a front V rod connecting portion and a rear V rod connecting portion. A branch end portion of the front V rod is connected to the front V rod connecting portion. A rear branch end is connected to the rear V rod connecting portion. The V rod bracket is inserted through the notch of the cross member between the front V rod connecting portion and the rear V rod connecting portion.

  The first bolt insertion hole includes a first front bolt insertion hole and a first rear bolt insertion hole. The first front bolt insertion hole is disposed in front of the cross member. The first rear bolt insertion hole is disposed behind the cross member. The second and third bolt insertion holes include second and third front bolt insertion holes and second and third rear bolt insertion holes. The second and third front bolt insertion holes correspond to the first front bolt insertion holes. The second and third rear bolt insertion holes correspond to the first rear bolt insertion holes. The positioning bolt includes a front positioning bolt that passes through the first to third front bolt insertion holes and a rear positioning bolt that passes through the first to third rear bolt insertion holes.

  In the above configuration, since the V rod bracket is integrally formed without being divided before and after the cross member, an assembly error in the position of the axle with respect to the vehicle body frame can be further suppressed. Further, the number of parts can be reduced and the assembling workability can be improved.

  According to the present invention, an assembly error in the position of the axle with respect to the vehicle body frame can be suppressed.

1 is a side view of a vehicle including an axle support structure according to an embodiment of the present invention. It is the top view which looked at the vehicle of FIG. 1 from upper direction. It is the rear view which looked at the support structure of FIG. 1 from back. FIG. 4 is a perspective view showing a coupled state of the V rod bracket and torque rod bracket of FIG. 3 and a vehicle body frame. FIG. 5 is an inner side view of the coupled state of FIG. 4 viewed from the inside in the vehicle width direction. FIG. 5 is an outer side view of the coupled state of FIG. 4 viewed from the outside in the vehicle width direction. FIG. 7 is a cross-sectional view taken along arrow VII-VII in FIG. 5. FIG. 6 is a cross-sectional view taken along arrow VIII-VIII in FIG. 5. It is IX-IX arrow sectional drawing of FIG. It is XX arrow sectional drawing of FIG.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the figure, the arrow FR indicates the front of the vehicle 1, UP indicates the upper side, and IN indicates the inner side in the vehicle width direction. In the following description, the front-rear direction means the front-rear direction of the vehicle 1, and the left-right direction means the left-right direction with the vehicle 1 facing forward. 2, the upper plate portion 3b of the side member 3 and the upper wall portion 4b of the cross member 4 are omitted. In FIGS. 4 to 6, the vehicle body frame 2 is shown upside down.

  The vehicle 1 of the present embodiment is a truck, a trailer or the like in which the rear portion of the vehicle 1 is supported by two rear wheel shafts via a trunnion suspension. As shown in FIGS. A cross member 4, a pair of left and right V rod brackets 5, a front and rear V rod (front V rod 6, rear V rod 7), a pair of left and right torque rod brackets (trunion brackets) 8, and left and right 1 A pair of front torque rods 9, a pair of left and right rear torque rods 10, a pair of left and right trunnion shafts 11, a leaf suspension 12, and front and rear rear axles (rear front shaft 13 and rear rear shaft 14) are provided. . The left and right side members 3 and the cross member 4 constitute a vehicle body frame 2. A rear front wheel (tire) (not shown) is attached to the rear front shaft 13, and a rear rear wheel (tire) (not shown) is attached to the rear rear shaft 14.

  The left and right side members 3 are separated from each other on both sides in the vehicle width direction and extend in the front-rear direction. Each side member 3 has a U-shaped cross section that opens to the inner side in the vehicle width direction. The vertical plate portion 3a stands up substantially vertically and extends in the front-rear direction, and the upper edge and the lower edge of the vertical plate portion 3a. An upper plate portion 3b and a lower plate portion 3c that are bent inward and face each other are integrally provided.

  The cross member 4 extends in the vehicle width direction between the rear front shaft 13 and the rear rear shaft 14, and both end portions of the cross member 4 in the vehicle width direction are the upper plate portion 3 b and the lower plate portion of the left and right side members 3. 3c is inserted between each side member 3 and inserted. The cross member 4 is an I-shaped cross section formed by joining the back surfaces of the bottom walls of two channel members having a U-shaped cross section, and stands up in a substantially vertical direction as shown in FIGS. The vertical wall portion 4a extending in the vehicle width direction, the upper wall portion 4b bent forward and backward from the upper end edge of the vertical wall portion 4a, and the upper wall portion bent forward and backward from the lower end edge of the vertical wall portion 4a 4b and the lower wall part 4c which opposes are integrated.

  The left V rod bracket 5 and the torque rod bracket 8 are disposed at a predetermined mounting position in the vicinity of the connecting portion 40 between the left end portion of the cross member 4 and the left side member 3, and are fastened and fixed to the vehicle body frame 2. The right V rod bracket 5 and the right torque rod bracket 8 are disposed at a predetermined mounting position in the vicinity of the connecting portion 40 between the right end portion of the cross member 4 and the right side member 3, and are fastened and fixed to the vehicle body frame 2. The

  As shown in FIGS. 4 to 10, each V rod bracket 5 integrally includes a plate-like V rod bracket base portion 21 and a plate-like V rod support portion 22. The V rod bracket base portion 21 is fastened and fixed in a state where the V rod bracket base portion 21 is in surface contact with the inner surface of the vertical plate portion 3a of the side member 3 in the vehicle width direction. The V rod support portion 22 protrudes inward in the vehicle width direction and extends in the front-rear direction from the center portion in the vertical direction of the inner surface in the vehicle width direction of the V rod bracket base portion 21. A front V-rod connecting portion 23 and a rear V-rod connecting portion 24 are provided at the front portion and the rear portion of the V-rod support portion 22, respectively.

  Cutout portions 25 are formed at both left and right ends of the vertical plate portion 4a of the cross member 4 (see FIG. 10). The notch 25 communicates the front and rear of the cross member 4 (vertical plate portion 4a) and allows the insertion of the V rod bracket 5 (V rod bracket base 21 and V rod support portion 22).

  With the V rod bracket 5 inserted through the notch 25 of the cross member 4 between the front V rod connecting portion 23 and the rear V rod connecting portion 24, the V rod bracket bracket base portion 21 includes the front and rear positioning bolts 15 and a plurality of positioning bolts 15. The bolts 16 and nuts 17 and 18 screwed into the bolts 15 and 16 from the inner side in the vehicle width direction are fastened and fixed to the inner side in the vehicle width direction of the vertical plate portion 3a of the side member 3 (FIGS. 4 and 5). reference). The plurality of bolts 16 are located above the V rod support portion 22 and in front of the vertical plate portion 3a, two locations above the V rod support portion 22 and behind the vertical plate portion 3a, and the V rod support portion. Are arranged at 10 locations (5 locations in the front and rear), three locations below 22 and in front of the vertical plate portion 3a and three locations below V rod support portion 22 and behind the vertical plate portion 3a. The four bolts 16 above the V rod support 22 are arranged linearly in the front-rear direction, and the six bolts 16 below the V rod support 22 are arranged linearly in the front-rear direction. The front positioning bolt 15 is disposed in front of the V rod support portion 22, and the rear positioning bolt 15 is disposed behind the V rod support portion 22.

  Each torque rod bracket 8 integrally includes a torque rod bracket base portion 26 and a torque rod support portion 27. The torque rod bracket base 26 has a plurality of bolts 42 (see FIG. 4) on the lower plate portion 3c of the side member 3 and the lower wall portion 4c of the cross member 4 in surface contact with the lower surface of the lower plate portion 3c of the side member 3. The plate-like torque rod bracket horizontal base portion 28 fastened and fixed by the above-described structure, and the front and rear sides of the cross member 4, respectively, extend upward along the outer lateral surface of the vertical plate portion 3a of the side member 3 in the vehicle width direction. It has plate-like front and rear torque rod bracket vertical base portions 29 that are fastened and fixed in a state of surface contact with the vertical plate portion 3a. The torque rod support portion 27 includes a trunnion shaft connecting portion 30 and a torque rod connecting portion 31 and extends downward from the torque rod bracket lateral base portion 28.

  The rear upper end portion of the front torque rod bracket vertical base portion 29 overlaps with the front lower end portion of the V rod bracket bracket base portion 21 across the vertical plate portion 3a of the side member 3 in the vehicle width direction, and the rear torque rod bracket vertical base portion 29 The front upper end portion overlaps the rear lower end portion of the V rod bracket bracket base portion 21 in the vehicle width direction with the vertical plate portion 3a of the side member 3 interposed therebetween. That is, the V rod bracket base 21, the vertical plate portion 3 a of the side member 3, and the torque rod with the V rod bracket 5 and the torque rod bracket 8 set at the mounting positions at the front and rear of the cross member 4, respectively. A portion (overlapping portion 41) where the bracket vertical base portion 29 overlaps is provided.

  The front and rear torque rod bracket vertical base portions 29 are formed by positioning bolts 15 and a plurality of bolts 19 and nuts 17 and 20 which are screwed into the bolts 15 and 19 from the inner side in the vehicle width direction. Fastened and fixed to the outside in the vehicle width direction (see FIGS. 5 and 6). The plurality of bolts 19 are arranged at 10 locations (2 locations at the front and back), 2 locations in the upper front, 2 locations in the upper rear, 3 locations in the lower front, and 3 locations in the lower rear. The front positioning bolt 15 is arranged behind the two bolts 19 at the front upper side, and is lined up linearly with the front upper bolt 19 in the front-rear direction. The rear positioning bolt 15 is disposed in front of the two rear upper bolts 19 and is arranged linearly together with the rear upper bolt 19. The three bolts 19 at the front lower side are arranged linearly in the front-rear direction, and the three bolts 19 at the rear lower side are arranged linearly in the front-rear direction.

  The front overlapping portion 41 includes a bolt insertion hole penetrating in the vehicle width direction (a first front bolt insertion hole 32 of the V rod bracket base 21 and a second front bolt insertion hole 33 of the torque rod bracket vertical base 29 and the side. A third front bolt insertion hole 34 of the vertical plate portion 3a of the member 3 is formed, and the front positioning bolt 15 is inserted through the first to third front bolt insertion holes 32, 33, 34 (see FIG. 7). . A bolt insertion hole (a first rear bolt insertion hole 35 of the V rod bracket base 21 and a second rear bolt insertion hole 36 of the torque rod bracket vertical base 29 and a side) penetrating the rear overlapping portion 41 also in the vehicle width direction. A third rear bolt insertion hole 37) of the vertical plate portion 3a of the member 3 is formed, and the rear positioning bolt 15 is inserted through the first to third rear bolt insertion holes 35, 36, 37 (see FIG. 8). . Further, the V rod bracket base 21 and the vertical plate portion 3a of the side member 3 overlap each other, and the V rod bracket base 21 and the vertical plate portion 3a of the side member 3 penetrate through a region where the torque rod bracket vertical base portion 29 does not overlap. Bolt insertion holes 38 and 39 are formed, and the bolt 16 is inserted through the bolt insertion holes 35 and 36 (see FIG. 9). The torque rod bracket vertical base portion 29 and the vertical plate portion 3a of the side member 3 are overlapped, and the V rod A bolt insertion hole (not shown) that penetrates the torque rod bracket vertical base portion 29 and the vertical plate portion 3a of the side member 3 is formed in a region where the bracket base portion 21 does not overlap, and the bolt 19 is inserted through the bolt insertion hole. (See FIGS. 5 and 6).

  The V rod bracket 5 and the torque rod bracket 8 include a V rod bracket base portion 21, a torque rod bracket vertical base portion 29, a vertical plate portion 3a of the side member 3 (first to third front bolt insertion holes 32, 33, 34 and The nut 17 is screwed and fastened to the front and rear positioning bolts 15 inserted through the first to third rear bolt insertion holes 35, 36, and 37), and the V rod bracket base 21 and the vertical plate portion 3 a of the side member 3 are fastened. The nut 18 is screwed into the bolt 16 inserted through the (bolt insertion holes 35, 36), and the nut 19 is inserted into the bolt 19 inserted through the torque rod bracket vertical base portion 29 and the vertical plate portion 3a (bolt insertion hole not shown) of the side member 3. By fixing 20 by screwing, it is fixed to the body frame 2.

  As shown in FIGS. 1 to 3, the front V rod 6 is arranged in a V shape that extends rearward in front of the cross member 4, and the rear V rod 7 is arranged in a V shape that extends forward in the rear of the cross member 4. (See FIG. 2). The meeting end portion (front end portion) 6 b of the front V rod 6 is connected to the center portion of the front axle 13, and the left and right branch end portions (rear end portions) 6 a are connected to the front V rod connecting portion 23 of the left and right V rod brackets 5. Each is connected. The rear end portion (rear end portion) 7b of the rear V rod 7 is connected to the center portion of the rear axle 14, and the left and right branch end portions (front end portions) 7a are connected to the rear V rod connecting portion 24 of the left and right V rod brackets 5. Each is connected.

  The left and right front torque rods 9 are respectively disposed below the left and right side members 3 in front of the cross member 4, and the left and right rear torque rods 10 are respectively disposed below the left and right side members 3 behind the cross member 4. (See FIG. 1). The left and right front torque rods 9 are connected at the front end (one end) 9b to the front axle 13 and extend rearward. The left and right rear torque rods 10 have rear end portions (one end portions) 10b connected to the rear axle 14 and extend forward. The rear end portion (other end portion) 9a of the left and right front torque rods 9 and the front end portion (other end portion) 10a of the left and right rear torque rods 10 are respectively connected to the torque rod connecting portions 31 of the left and right torque rod brackets 8. Connected.

  The left and right trunnion shafts 11 are respectively coupled to the trunnion shaft coupling portions 30 of the left and right torque rod brackets 8 and extend outward in the vehicle width direction.

  The left and right leaf suspensions 12 have a structure in which a plurality of long plates having different lengths are stacked one above the other, and are spaced from the side members 3 on the outer side in the vehicle width direction of the left and right side members 3. It arrange | positions so that it may extend in the front-back direction. A central portion of the leaf suspension 12 is rotatably supported by the trunnion shaft 11 from below. The front end portion and the rear end portion of the leaf suspension 12 are connected to the front axle 13 and the rear axle 14, respectively.

  Thus, the front axle 13 is supported by the left and right side members 3 and the cross member 4 by the front V rod 6 and the left and right front torque rods 9. The front end portion 13b of the front V rod 6 is connected to the center portion of the front axle 13, the front end portion 9b of the front torque rod 9 is connected to the lower portions of both ends, and the front end portion of the leaf suspension 12 is connected to the upper portions of both ends. Are concatenated. The high axle 14 is supported by the left and right side members 3 and the cross member 4 by the rear V rod 7 and the left and right rear torque rods 10. A rear end portion 10b of the rear V-rod 7 is connected to the center portion of the rear axle 14, a rear end portion 10b of the rear torque rod 10 is connected to lower portions of both ends, and a rear portion of the leaf suspension 12 is connected to upper portions of both ends. The ends are connected.

  Next, a method of fixing the V rod bracket 5 and the torque rod bracket 8 to the vehicle body frame 2 (near the connecting portion 40 between the left and right side members 3 and the cross member 4) will be described.

  First, the V rod bracket 5 is inserted into the notch 25 of the cross member 4 from the front or the rear, and the V rod bracket 5 is disposed inside the vehicle on the side member 3. In this state, the V rod bracket 5 is inserted through the notch 25 between the front V rod connecting portion 23 and the rear V rod connecting portion 24. Further, the torque rod bracket horizontal base portion 28 comes into surface contact with the lower plate portion 3c of the side member 3 from below, and the torque rod bracket vertical base portion 29 comes into surface contact with the vertical plate portion 3a of the side member 3 from the outside in the vehicle width direction. The torque rod bracket 8 is disposed below the side member 3.

  Next, the first front bolt insertion hole 32 of the V rod bracket 5 and the second front bolt insertion hole 33 of the torque rod bracket 8 are connected to the third front bolt insertion hole 34 of the side member 3 in the vehicle width direction. The first rear bolt insertion hole 35 of the V rod bracket 5 and the second rear bolt insertion hole 36 of the torque rod bracket 8 are overlapped with the third rear bolt insertion hole 37 of the side member 3 in the vehicle width direction. The front positioning bolt 15 is inserted from the outside in the vehicle width direction through the first to third front bolt insertion holes 32, 33, 34, and the first to third rear bolt insertion holes 35, 36, 37 are stacked. A rear positioning bolt 15 is inserted from the outside in the vehicle width direction, and a nut 17 is screwed into each positioning bolt 15 from the inside in the vehicle width direction and fastened. As a result, the V rod bracket 5 and the torque rod bracket 8 are positioned at predetermined mounting positions.

  Finally, the other bolts 16, 19, 42 are fastened, and the V rod bracket 5 and the torque rod bracket 8 are completely fixed to the vehicle body frame 2.

  According to the present embodiment, the V rod bracket 5 and the torque rod bracket 8 are fastened together by the positioning bolt 15 and fastened and fixed to the vehicle body frame 2 (side member 3). For this reason, the relative position of the V rod bracket 5 and the torque rod bracket 8 is stabilized, and the assembly error of the positions of the axles 13 and 14 with respect to the vehicle body frame 2 can be suppressed.

  In addition, since the V rod bracket 5 is integrally formed before and after the cross member 4 without being divided, the assembly error of the positions of the axles 13 and 14 with respect to the vehicle body frame 2 can be further suppressed. Further, the number of parts can be reduced and the assembling workability can be improved.

  In the above embodiment, the shock absorber in the axle support structure need not be the leaf suspension 12 but may be an air suspension.

  In the above embodiment, the bracket for connecting the V rods 6 and 7 to the vehicle body frame 2 does not have to be the front / rear integrated V rod bracket 5 but may be a front / rear split type V rod bracket.

  As mentioned above, although the embodiment to which the invention made by the present inventor is applied has been described, the present invention is not limited by the discussion and the drawings that form part of the disclosure of the present invention according to this embodiment. That is, it should be added that other embodiments, examples, operation techniques, and the like made by those skilled in the art based on this embodiment are all included in the scope of the present invention.

  The axle support structure according to the present invention can be used for trucks and other vehicles.

DESCRIPTION OF SYMBOLS 1 Vehicle 2 Body frame 3 Side member 3a Vertical plate part 3b Upper plate part 3c Lower plate part 4 Cross member 4a Vertical wall part 4b Upper wall part 4c Lower wall part 5 V rod bracket 6 Front V rod (V rod)
6a Branch end of front V rod 6b Meeting end of front V rod 7 Rear V rod (V rod)
7a Meeting end of rear V rod 7b Branching end of rear V rod 8 Torque rod bracket 9 Front torque rod (torque rod)
9a Rear end of the front torque rod (other end)
9b Front torque rod front end (one end)
10 Rear torque rod (torque rod)
10a Front end of rear torque rod (other end)
10b Rear end (one end) of rear torque rod
13 Rear front axle (axle)
14 Rear rear axle (axle)
DESCRIPTION OF SYMBOLS 15 Positioning bolt 16, 19, 42 Bolt 17, 18, 20 Nut 21 V rod bracket base 22 V rod support part 23 Front V rod connection part 24 Back V rod connection part 25 Notch part 26 Torque rod bracket base part 27 Torque rod support part 28 Torque rod bracket horizontal base 29 Torque rod bracket vertical base 31 Torque rod connecting portion 32 First front bolt insertion hole (first bolt insertion hole)
33 Second front bolt insertion hole (second bolt insertion hole)
34 Third front bolt insertion hole (third bolt insertion hole)
35 First rear bolt insertion hole (first bolt insertion hole)
36 Second rear bolt insertion hole (second bolt insertion hole)
37 Third rear bolt insertion hole (third bolt insertion hole)
38,39 Bolt insertion hole 40 Connecting portion between side member and cross member 41 Overlapping portion

Claims (2)

The V rod bracket and the torque rod bracket are fixed to the vehicle body frame, the meeting end of the V rod is connected to the axle, the branch end of the V rod is connected to the V rod bracket, One end portion is connected to the axle, the other end portion of the torque rod is connected to the torque rod bracket, and the axle is supported on the vehicle body frame side by the V rod and the torque rod. And
A first bolt insertion hole formed in the V rod bracket;
A second bolt insertion hole formed in the torque rod bracket;
A third bolt insertion hole formed in the vehicle body frame;
A positioning bolt for inserting the first to third bolt insertion holes, and
The axle support structure, wherein the V rod bracket and the torque rod bracket are fixed to the vehicle body frame by fastening the positioning bolt. The axle support structure according to claim 1,
The axle includes a front axle and a rear axle,
The vehicle body frame has a pair of left and right side members extending in the front-rear direction on both sides in the vehicle width direction, and a cross member extending in the vehicle width direction between the front and rear axles and coupled to the left and right side members. And
The V-rod is disposed in front of the cross member and the front end of the meeting end is located at the front end, and the rear V rod is disposed rearward of the cross member and the back-end of the meeting end is located at the rear end. Including
The meeting end of the front V-rod is connected to the front axle;
The meeting end of the rear V-rod is connected to the rear axle;
The cross member has a vertical wall portion that stands in a substantially vertical direction and extends in the vehicle width direction,
At the end of the vertical wall portion of the cross member, a cutout portion that connects the front and rear of the cross member is formed,
The V rod bracket includes a front V rod connecting portion to which the branch end portion of the front V rod is connected, and a rear V rod connecting portion to which the branch end portion of the rear V rod is connected, Inserting the notch of the cross member between the front V rod connecting portion and the rear V rod connecting portion;
The first bolt insertion hole includes a first front bolt insertion hole arranged in front of the cross member and a first rear bolt insertion hole arranged behind the cross member,
The second and third bolt insertion holes are second and third front bolt insertion holes corresponding to the first front bolt insertion holes, and second and second bolts corresponding to the first rear bolt insertion holes. 3 rear bolt insertion holes,
The positioning bolt includes a front positioning bolt through which the first to third front bolt insertion holes can be inserted, and a rear positioning bolt through which the first to third rear bolt insertion holes can be inserted. Characteristic axle support structure.

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