JP2020142918A - Garbage collection vehicle - Google Patents

Abstract

To prevent a bolt of a support device from loosening.SOLUTION: In a garbage collection vehicle 1, a garbage input box 3 comprises an input guide plate 5 and a support device 6. The input guide plate 5 is rotatable between a development posture A1 and a standing posture A2, and the support device 6 supports the input guide plate 5 in the development posture, and comprises a support member 12, a cushioning member 14, and a bolt 15 and a nut 16 which fit the cushioning member 14 to the support member 12. The support member 12 is fixed below an input port 4 of the garbage input box 3 and comprises a bolt through hole 20 and an engaged part 22. The cushioning member 14 is fixed to an upper side of the support member 12 by the bolt 15 and the nut 16. A member 13 which is fixed to the bolt 15 and the nut 16 comprises an engaging part 21, and the engaging part 21 engages with the engaged part 22 when passing the bolt 15 through the bolt through hole 20, and performs whirl stop of the bolt 15.SELECTED DRAWING: Figure 3

Description

The present invention relates to a garbage truck, and more particularly to a support device for a loading guide plate provided below the loading port of a dust loading box and capable of temporarily placing dust.

In Patent Document 1, a loading guide plate (table) is provided below the loading port of the dust loading box for temporarily placing garbage while the loading device is operating, and is provided below the loading port on the rear surface of the dust loading box. A configuration is disclosed in which a support member (bracket) that supports the insertion guide plate from the lower surface in an open state and a cushioning member (rubber) are provided.

By the way, generally, as shown in FIG. 13, in order to attach the cushioning member 53 to the support member 52 attached to the rear surface 51 of the dust input box 50, the bolt 54 is passed through from above the cushioning member 53, and the bolt 54 is further inserted. It penetrates to the support member 52, and the nut 55 is fastened to the bolt 54 from the lower surface of the support member 52.

Jitsufuku No. 6-50401

As described above, the support member 52 is fixed to the rear surface 51 of the dust input box 50, but as shown in FIG. 14, the dust input box depends on the welding method of the support member 52 or the accuracy of the support member 52. It is also conceivable that the support member 52 is fixed obliquely to the left and right with respect to the rear surface 51 of the 50. In such a case, when the loading guide plate 56 comes into contact with the end of the cushioning member 53 in the deployed posture of the loading guide plate 56, the loading guide plate 56 hits the cushioning member 53 with one of them, and the force at the time of hitting the cushioning member 53 The cushioning member 53 may be pushed backward. In that case, the bolt 54 turns finely together with the cushioning member 53, and as a result, the bolt 54 loosens.

Therefore, an object of the present invention is to provide a garbage truck in which the bolt of the support device is hard to loosen.

The present invention is a dust collecting vehicle provided with a dust storage box and a dust storage box located behind the dust storage box and having a charging port for loading dust from the outside. The dust loading box is a loading guide. The loading guide plate is provided with a plate and a support device, and the loading guide plate is pivotally supported at the lower part of the loading port and can be rotated into a deployed posture protruding rearward and an upright standing posture. The loading guide plate in the deployed posture is supported from below, and includes a support member, a cushioning member, and bolts and nuts for attaching the cushioning member to the support member, and the support member is the dust. An engaged portion is provided on the rear surface of the loading box below the loading port and at a position radially offset from the bolt through hole by providing a bolt through hole, and the cushioning member is located above the support member. The bolt and the member fixed to the bolt are fixed with a bolt and a nut, and the bolt or a member fixed to the bolt is provided with an engaging portion at a position radially offset from the bolt shaft, and the engaging portion allows the bolt to be inserted into the bolt through hole. When it is passed through, it is characterized in that it is configured to engage with the engaged portion to prevent the bolt from rotating.

According to the garbage truck having the above configuration, when the loading guide plate is in the deployed posture and the loading guide plate hits the cushioning member, the engaged portion and the engaging portion are engaged to prevent rotation. Therefore, it is possible to prevent the bolt from loosening.

The garbage truck of the present invention employs a configuration in which a cushioning member support plate having a flat area larger than the flat area of the bolt head of the bolt and adhering to the cushioning member is provided, and the cushioning member support plate is provided with the engaging portion. it can.

According to the above configuration, the distance offset from the bolt shaft can be increased by using the cushioning member support plate for adhering to the cushioning member (distance can be increased). Therefore, the rotation of the bolt shaft can be reliably prevented by the increased distance.

The garbage truck of the present invention includes a cushioning member support plate having a flat area larger than the flat area of the bolt head of the bolt and adhering to the cushioning member, and the cushioning member support plate is fixed to the lower surface of the bolt head. Can be adopted.

According to the above configuration, since the cushioning member support plate fixed to the lower surface of the bolt head is sandwiched between the bolt head and the supporting member, the sandwiching force acts on the cushioning member support plate, and the cushioning member support plate is hard to come off from the bolt.

In the garbage truck of the present invention, the cushioning member can adopt a configuration in which the bolt head of the bolt is covered.

According to the above configuration, since it is not necessary to form a recess for bolts on the upper surface of the cushioning member, it is possible to prevent moisture such as rainwater from accumulating on the upper part of the cushioning member.

According to the garbage truck of the present invention, the bolt of the support device of the loading guide plate is hard to loosen.

It is a perspective view which showed the rear of the driver's seat of the garbage truck which concerns on 1st Embodiment of this invention. It is sectional drawing of the center in the vehicle width direction in the garbage truck which mainly described the input guide plate and the support device. It is a partially broken front sectional view of the support device. It is a side view of the support member of the support device. It is a front view of the support member. It is a bottom view of the support member. It is a perspective view of the support member. It is a top view of the cushioning member support plate. It is a bottom view of the cushioning member. It is a perspective view from the lower side of the cushioning member. It is a perspective view from the lower side which made the cushioning member support plate, bolt, and the cushioning member as an assembly in the support device. Representing another embodiment of the present invention, (a) and (b) are partially cutaway front sectional views thereof. It is a partially cutaway front sectional view showing a conventional support device. It is a rear view of the support device assumed to be the same.

Hereinafter, the garbage truck according to the embodiment of the present invention will be described with reference to FIGS. 1 to 12. First, the first embodiment of the present invention will be described. First, as shown in FIG. 1, the outline configuration of the garbage truck 1 will be described. The garbage truck 1 includes a dust storage box 2 arranged behind the driver's seat (not shown) and a dust storage box 3 located behind the dust storage box 2.

Behind the dust throwing box 3, a throwing port 4 for throwing dust from the outside is provided. The dust loading box 3 is provided at the lower part of the loading port 4 and includes a loading guide plate 5 on which dust can be temporarily placed, and the loading guide plate 5 is deployed in an unfolding posture A1 (see FIG. 2) as described later. The support device 6 is provided.

As shown in FIG. 1, the insertion guide plate 5 is formed over substantially the width direction of the insertion port 4, and as shown in FIG. 2, the base end 5a of the insertion guide plate 5 is arranged below the insertion port 4. It is attached to a support shaft 8 arranged in the vehicle width direction on the lower edge member 7 of the loading port, that is, the upper part of the rear surface of the dust loading box 3.

The loading guide plate 5 includes a flat plate-shaped mounting surface 9 and a supported surface 10 parallel to the mounting surface 9. The loading guide plate 5 is rotatable between the deployed posture A1 protruding rearward from the loading port 4 and the standing posture A2 standing around the support shaft 8. It should be noted that this posture switching is performed by the operator.

The standing posture A2 is supported by the latch mechanism 11 arranged in the input port 4, and the deployed posture A1 is supported by the support device 6. More specifically, when the garbage truck 1 is placed on a horizontal road surface, in the standing posture A2, the loading guide plate 5 is rotated around the support shaft 8 and held by the latch mechanism 11 to mount the garbage truck 1. The placing surface 9 and the supported surface 10 are in a substantially vertical state. In the unfolding posture A1, the loading guide plate 5 is rotated around the support shaft 8, the mounting surface 9 and the supported surface 10 are in a substantially horizontal state, and the supported surface 10 is supported by the support device 6. To. Further, the support device 6 is positioned on the lower edge member 7 of the insertion port so that the supported surface 10 of the insertion guide plate 5 is horizontal by the support device 6.

Next, the support device 6 will be described with reference to FIG. In the present embodiment, as shown in FIG. 1, the insertion guide plate 5 in the deployment posture A1 is supported from below, and is arranged at three locations in the vehicle width direction below the insertion port 4. Since all of the support devices 6 have the same configuration, one of them will be described.

As shown in FIG. 2, the support device 6 includes bolts 15 and nuts 16 for attaching the support member 12, the cushioning member support plate 13, the cushioning member 14, the cushioning member support plate 13 and the cushioning member 14 to the support member 12. To be equipped.

The support member 12 will be described with reference to FIGS. 2 to 8. The support member 12 is also referred to as a bracket, and as shown in FIG. 2, is arranged behind the charging port 4 of the dust charging box 3, that is, on the rear surface of the lower edge member 7 of the charging port in the vertical direction. The support member 12 has openings at the front and the lower side welded to the rear surface of the input port lower edge member 7, and is horizontally arranged on the rear surface of the input port lower edge member 7 as shown in FIGS. 4 and 5. The top surface 17, the side surfaces 18, 18 and the back surface 19 are integrally formed of metal.

As shown in FIGS. 5 to 7, a circular bolt through hole 20 is penetrated in substantially the center of the top surface 17 in a plan view. Further, an engaged hole 22 (corresponding to the engaged portion) through which the engaging portion 21 of the cushioning member support plate 13 described later is inserted is penetrated in the vicinity of the bolt through hole 20 of the support member 12, in this case, on the front side. ing. The engaged hole 22 is arranged on the top surface 17 at a position offset in the radial direction from the bolt through hole 20. That is, it is offset in the radial direction of the shaft of the portion through which the bolt shaft 24 of the bolt 15 described later penetrates. Further, the engaged hole 22 is formed in a shape corresponding to the plate-shaped engaging portion 21. In this embodiment, it is a rectangular hole that is long in the front-rear direction.

The cushioning member support plate 13 will be described with reference to FIGS. 3 to 8. The cushioning member support plate 13 is made of metal, and as shown in FIG. 3, the engagement with the plate body 23 arranged so as to be placed on the top surface 17 of the support member 12 and the engagement member bent from the end portion of the plate body 23. The unit 21 is integrally provided.

As shown in FIG. 8, the plate body 23 is made of a fan-shaped plate material, and a bolt insertion hole 25 through which the bolt shaft 24 of the bolt 15 is inserted is formed in the center of the plate body 23. Further, the flat area of the plate 23 is formed larger than the flat area of the bolt 15. The engaging portion 21 is in the middle of the straight portion 27 of the fan-shaped plate body 23, and is bent toward the top surface 17 side of the support member 12 so as to be orthogonal to the plate body 23. The engaging portion 21 is arranged at a position offset in the radial direction from the bolt insertion hole 25, and is inserted into the engaged hole 22 on the top surface 17 of the support member 12 as described above. The radial direction is the radial direction of the bolt shaft 24 (screw portion).

The bolt 15 and the nut 16 will be described with reference to FIG. The bolt 15 includes the bolt shaft (corresponding to the threaded portion of the bolt 15) 24 and a bolt head 26 having a diameter larger than that of the bolt shaft 24. The nut 16 is above the bolt insertion hole 25 and the bolt through hole 20 in a state where the plate body 23 of the cushioning member support plate 13 is placed on the top surface 17 and the engaging portion 21 is inserted into the engaged hole 22. It is fastened to the bolt shaft 24 passed through.

The cushioning member 14 will be described with reference to FIGS. 3, 9 and 10. As shown in these figures, the cushioning member 14 is formed of a columnar synthetic rubber as a whole, and covers the bolt head 26 and the plate body 23 of the cushioning member support plate 13 from above with the bolt shaft 24 concentric. Therefore, the lower surface 14a of the cushioning member 14 is formed with a recess 28 that covers the bolt head 26 and the plate body 23 of the cushioning member support plate 13.

The recess 28 is formed at the center of the shaft of the cushioning member 14, a bolt recess 29 having a shape corresponding to the bolt head 26, and a recess 28 formed on the outer circumference of the bolt recess 29, and is formed on the fan-shaped plate 23 and the plate 23 side of the engaging portion 21. It is provided with a support plate recess 30 that covers the shape corresponding to the above.

When the bolt 15 (bolt shaft 24) is inserted into the bolt insertion hole 25 formed in the plate body 23, the bolt head 26 is internally fitted into the bolt recess 29, and the plate body 23 is fitted into the support plate recess 30. The lower surface 14a of the cushioning member 14 and the lower surface of the plate 23 are substantially flush with each other. Further, in the cushioning member 14, a part of the lower surface 14a of the cushioning member 14, that is, the outer peripheral surface 31 in this case, is placed on the top surface 17 of the support member 12.

In the support device 6 having the above configuration, the support member 12 is placed under the input port by welding the front surface of the support member 12 so that the top surface 17 of the support member 12 is horizontal in the vertical direction of the rear surface of the lower edge member 7 of the input port. It is fixed to the edge material 7.

Further, as an example of assembling the support device 6, as shown in FIG. 11, the cushioning member support plate 13, the bolt 15, and the cushioning member 14 are configured as an assembly (assembly) B. When constructing this assembly B, the bolt shaft 24 of the bolt 15 is passed through the bolt insertion hole 25 of the cushioning member support plate 13 (plate body 23), and the bolt head 26 is fixed to the plate body 23 by welding or the like. Then, the bolt head 26 is internally fitted into the bolt recess 29, and the plate body 23 is internally fitted into the support plate recess 30 to bond the cushioning member 14 and the cushioning member support plate 13 (plate body 23) (seizure adhesion, etc.). ). By doing so, the cushioning member 14 and the cushioning member support plate 13 (plate body 23) are integrated. Since the straight portion 27 is formed on the plate body 23, the cushioning member support plate 13 is hard to rotate with respect to the center of the cushioning member 14.

Further, in the assembly B, the bolt shaft 24 of the bolt 15 is passed through the bolt through hole 20 formed in the top surface 17 of the support member 12 with the cushioning member 14 facing upward, and the engaging portion of the cushioning member support plate 13 is passed. 21 is passed through the engaged hole 22 formed in the top surface 17 and arranged in the support member 12. In this way, the plate-shaped engaging portion 21 can be engaged with the peripheral surface of the engaged hole 22 in the radial direction with the bolt 15 as the axis. That is, by fixing the cushioning member 14 on the bolt 15 side in advance, the bolt 15 is fixed to the support member 12, and the cushioning member 14 is fixed to the support member 12 by the bolt 15.

Therefore, although the bolt head 26 of the bolt 15 covered with the cushioning member 14 cannot be directly grasped by the tool, the bolt head 26 is fixed to the plate body 23 and the engaging portion 21 is engaged with the engaged hole 22. By tightening the nut 16 to the bolt shaft 24 from below the support member 12, the cushioning member 14 and the plate body 23 can be firmly tightened to the top surface 17 (see FIG. 3).

According to the first embodiment, since the cushioning member 14 covers the bolt head 26 from above, it is not necessary to form a recess for the bolt (particularly the bolt head 26) on the upper surface of the cushioning member 14. Therefore, it is possible to prevent water (rainwater, etc.) from accumulating on the upper surface of the cushioning member 14, and it is possible to prevent the bolt 24 from rusting.

The cushioning member support plate 13 and the cushioning member 14 are adhered to each other, and the plate body 23 is fitted into the support plate recess 30 so that the upper surface and the upper portion of the outer peripheral surface of the plate body 23 are covered with the cushioning member 14. .. Therefore, it is difficult for water to enter between the cushioning member support plate 13 and the cushioning member 14, and it is possible to prevent the cushioning member support plate 13 and the cushioning member 14 from peeling off due to corrosion of the adhesive surfaces of the two.

Further, a cushioning member support plate 13 (plate body 23) having a flat area larger than the flat area of the bolt head 26 and adhering to the cushioning member 14 is provided, and the cushioning member support plate 13 is adhered to the cushioning member 14 and is also adhered to. It is fixed to the lower surface of the bolt head 26. Therefore, the distance from the outer circumference of the portion where the cushioning member support plate 13 and the support member 12 overlap to the bolt shaft 14 of the bolt 15 is formed longer than the distance from the outer circumference of the bolt head 26 to the bolt shaft 14 of the bolt 15. it can. Therefore, it is difficult for water to reach the bolt shaft 14 of the bolt 15. Therefore, it is possible to prevent the bolt 15 from loosening and coming off due to moisture entering the threaded portion of the bolt 15 and the nut 16 and rusting.

Further, although the bolt head 26 of the bolt 15 cannot be grasped by a tool, the cushioning member 14 and the plate body 23 can be firmly tightened to the top surface 17 by tightening the nut 16 to the bolt shaft 24 from below the support member 12. Instead, it produces the following effects.

That is, the support member 12 is provided with the engaged portion 22 at a position offset in the radial direction from the bolt through hole 20, and the cushioning member support plate 13 (plate body 23) fixed to the bolt 15 has a bolt shaft. An engaging portion 21 that engages with the engaged hole 22 is provided at a position that is radially offset from the 24. Therefore, even if the support member 12 is fixed diagonally to the left and right depending on the welding method or the accuracy of the support member 12, the insertion guide plate 5 becomes the deployment posture A1. When the insertion guide plate 5 hits the cushioning member 14, the engaged hole 22 and the engaging portion 21 engage with each other, so that the bolt 15 can be prevented from loosening.

Further, in the first embodiment, the cushioning member support plate 13 having a flat area larger than the flat area of the bolt head 26 of the bolt 15 and adhering to the cushioning member 14 is provided, and the engaging portion 21 is attached to the cushioning member support plate 13. It is a prepared configuration. Therefore, the distance of the engaging portion 21 offset from the bolt shaft 24 can be increased by using the cushioning member support plate 13 (the distance can be increased), and the area of the cushioning member support plate 13 to be adhered to the cushioning member 14 is also increased. growing. Therefore, the rotation with respect to the bolt shaft 24 is surely prevented.

Further, a cushioning member support plate 13 having a flat area larger than the flat area of the bolt head 26 of the bolt 15 and adhering to the cushioning member 14 is provided, and the cushioning member support plate 13 is fixed to the lower surface of the bolt head 26. is there. In this way, the cushioning member support plate 13 fixed to the lower surface of the bolt head 16 is sandwiched between the bolt head 16 and the support member 12, so that the sandwiching force acts on the cushioning member support plate 13 to cause the cushioning member support plate 13 to be sandwiched. Hard to come off from bolt 15.

In the first embodiment, when the support device 6 is configured, the bolt shaft 24 of the bolt 15 is passed through the bolt insertion hole 25 of the cushioning member support plate 13, and the bolt head 26 is internally fitted into the bolt recess 29. , The plate body 23 was internally fitted into the support plate recess 30, and the cushioning member 14 and the cushioning member support plate 13 were adhered to form an assembly B.

However, in the present invention, the assembly B does not have to be configured. That is, the plate body 23 of the cushioning member support plate 13 is placed on the top surface 17 of the support member 12, and the engaging portion 21 is fitted into the engaged hole 22 formed in the top surface 17, and the bolt of the bolt 15 is bolted. The shaft 24 is passed through the bolt insertion hole 25 formed in the plate body 23 and the bolt through hole 20 formed in the top surface 17, the bolt head 26 is placed on the plate body 23, and the support member 12 is placed on the bolt shaft 24. The bolt 15 is fastened with the nut 16 from below. Next, the bolt head 26 is fitted into the bolt recess 29 of the cushioning member 14, and the plate body 23 is fitted into the support plate recess 30 to cover the bolt head 26 and the plate body 23 from above. At this time, the plate body 23 and the support plate recess 30 are adhered by a firmly held adhesive. Even with such an assembly method of the support device 6, the same effect as that of the first embodiment can be obtained.

The present invention is not limited to the above first embodiment. For example, FIG. 12 shows another embodiment. FIG. 12A is an embodiment in which the cushioning member support plate 13 is not provided. That is, the support device 6 includes a support member 12, a bolt 15, and a cushioning member 14.

In this case, the diameter of the bolt head 26 of the bolt 15 is formed to be larger than that of the first embodiment (but not essential), and the bolt head 26 is engaged with the lower surface of the bolt head 26 at a position away from the bolt shaft 24. The portion 21 is formed. Further, a bolt recess 29 is formed in the recess of the cushioning member 14, and the bolt head 26 is fitted into the bolt recess 29. The lower surface 14a of the cushioning member 14 is an annular surface, and the lower surface of the bolt head 26 and the lower surface 14a of the cushioning member 14 are substantially flush with each other. Then, the engaging portion 21 is passed through the engaged hole 22 of the support member 12, the bolt shaft 24 is passed through the bolt through hole 20 of the support member 12, and the bolt head 26 and the cushioning member 14 are passed through the top surface 17 of the support member 12. Place on. Then, the nut 16 from below the top surface 17 is fastened to the bolt 15, and the bolt head 26 and the cushioning member 14 are fixed to the top surface 17. The bolt head 26 and the cushioning member 14 may or may not be adhered to each other.

According to this configuration, even when the loading guide plate 5 is in the deployed posture A1, the engaging portion 21 is formed at a position offset in the radial direction from the bolt shaft 24, so that the engaging portion 21 and the engaged hole are engaged. Since the engagement with 22 is smoothly performed, the bolt 15 is hard to rotate and the bolt 15 is hard to loosen.

The support device 6 shown in FIG. 12B includes a support member 12, a bolt 15, a cushioning member 14, and a cushioning member support plate 13. The bolt 15 is penetrated through the cushioning member 14, and a recess 14b through which the bolt head 26 of the bolt 15 is passed is formed on the upper surface of the cushioning member 14, and a bolt hole 14c through which the bolt head 26 of the bolt 15 is passed is formed. ing. Further, the cushioning member support plate 13 provided on the lower surface of the cushioning member 14 has the same planar shape as the lower surface 14a of the cushioning member 14, and a bolt insertion hole 25 is formed. In the bolt insertion hole 25 of the cushioning member support plate 13, the bolt shaft 24 is fixed by a fixing means such as an adhesive. Further, in the cushioning member support plate 13, an engaging portion 21 is formed on the lower surface at a position away from the bolt shaft 24.

In the above configuration, the cushioning member support plate 13 is placed on the top surface 17 of the support member 12 through the engaging portion 12 through the engaged hole 22 of the support member 12, and the cushioning member 14 is placed on the cushioning member support plate 13. Then, the bolt shaft 24 is passed through the bolt hole 14c, and the bolt head 26 is arranged in the recess 14b. Further, the bolt shaft 24 is fixed to the cushioning member support plate 13. Then, the nut 16 from below the top surface 17 is fastened to the bolt 15 to tighten the cushioning member support plate 13 to the top surface 17.

According to this configuration, even when the insertion guide plate 5 is in the deployed posture A1, the engaging portion 21 is formed at a position away from the bolt shaft 24 so that the engaging portion 21 and the engaged hole 22 can be engaged with each other. Since the engagement is performed smoothly, the bolt 15 is hard to rotate and the bolt 15 is hard to loosen.

Further, in the above embodiment, the bolt shaft 24 of the bolt 15 is passed through the bolt insertion hole 25 of the cushioning member support plate 13, the bolt head 26 is fixed to the plate body 23 by welding or the like, and then the cushioning member 14 and the cushioning member An example of adhering the support plate 13 to the support plate 13 has been given. However, the cushioning member 14 does not necessarily have to be adhered to the cushioning member support plate 13 and the bolt 15. For example, the cushioning member 14 may be provided with a recess that covers the bolt shaft 24 on the bolt head 26 side from the outside, and the bolt head 26 may be held in the recess. In this case, the recess may allow the bolt head 26 to move up and down and left and right. More preferably, the cushioning member 14 also rotates following the rotation of the bolt 15.

In the above embodiment, the circular bolt through hole 20 is provided in a plan view, but the plan view shape of the bolt through hole 20 is not limited to a circle, and the bolt shaft 24 may penetrate the bolt shaft 24. Therefore, even if it is a polygon. Good.

Further, in the above embodiment, the present invention gives an example in which the engaged hole 22 is formed in the support member 12 and the engaging portion 21 is formed in the cushioning member support plate 13. However, although not shown, for example, a part of the top surface 17 of the support member 12 is used as an engaged portion, and a part of the lower surface of the cushioning member support plate 13 is radially fitted to the engaging portion. It can also be an engaging portion.

Further, if the support member 12 and the cushioning member support plate 13 are locked in the radial direction, the positional relationship between the locking portion and the locked portion is such that the bolt through hole 20 is centered in the left-right direction and front and rear. It does not matter in the direction, and can be arranged in the left-right direction and the front-back direction.

In the above embodiment, by extending the cushioning member support plate 13, the engaging portion 21 is further extended from the bolt through hole 20 from the top surface 17 of the support member 12, and the engaging portion 21 is extended from the side surface of the support member 12. It can also be engaged on the outside of 18 or the back surface 19. In this case, since the engaging portion 21 engages on the outside of the side surface 18 or the back surface 19, the engaged hole 22 is not required on the top surface 17 of the support member 12.

In the above embodiment, the engaging portion 21 and the engaged hole 22 through which the engaging portion 21 is inserted are provided. However, the bolt through hole 20 can also be used as the engaged hole 22. Specifically, a plate-like body having a polygonal shape and welded to the bolt head 26 is arranged on the lower surface of the bolt head 26 (closer to the bolt head 26 of the bolt shaft 24), and the plate-like body is placed above the bolt through hole 20. A fitting recess that fits into the plate-like body is formed. Also in this configuration, the angle of the plate-like body and the fitting recess can be engaged, and the engaging portion and the engaged portion offset in the radial direction with respect to the bolt through hole 20 (bolt shaft 24). It becomes. It should be noted that the plate-shaped body may be smaller or larger than the bolt head 26 in a plan view.

1 ... Dust collection vehicle, 2 ... Dust storage box, 3 ... Dust input box, 4 ... Input port, 5 ... Input guide plate, 6 ... Support device, 7 ... Input port lower edge material, 8 ... Support shaft, 9 ... Placement surface, 10 ... Supported surface, 12 ... Support member, 13 ... Cushioning member support plate, 14 ... Cushioning member, 14a ... Bottom surface, 15 ... Bolt, 16 ... Nut, 17 ... Top surface, 20 ... Bolt through hole, 21 ... Engagement part, 22 ... Engagement hole, 23 ... Plate body, 24 ... Bolt shaft, 25 ... Bolt insertion hole, 26 ... Bolt head, 27 ... Straight part, 28 ... Recession, 29 ... Bolt recess, 30 ... Support Plate recess, 31 ... outer peripheral surface, A1 ... unfolded posture, A2 ... standing posture

Claims (4)

In a garbage truck equipped with a dust storage box and a dust storage box located behind the dust storage box and having a loading port for loading dust from the outside.
The dust input box includes an input guide plate and a support device, and is provided with a support device.
The loading guide plate is pivotally supported at the lower part of the loading port and can be rotated into a rearwardly protruding posture and an upright standing posture.
The support device supports the loading guide plate in the deployed posture from below, and includes a support member, a cushioning member, and bolts and nuts for attaching the cushioning member to the support member.
The support member is fixed below the loading port on the rear surface of the dust loading box, has a bolt through hole, and has an engaged portion at a position radially offset from the bolt through hole.
The cushioning member is fixed to the upper side of the support member with bolts and nuts.
The bolt or a member fixed to the bolt is provided with an engaging portion at a position radially offset from the bolt shaft.
The garbage truck is characterized in that the engaging portion is configured to engage with the engaged portion to prevent the bolt from rotating when the bolt is passed through the bolt through hole. The garbage truck according to claim 1, further comprising a cushioning member support plate having a flat area larger than the flat area of the bolt head of the bolt and adhering to the cushioning member, and having the engaging portion on the cushioning member support plate. The first or second aspect of the present invention comprises a cushioning member support plate having a flat area larger than the flat area of the bolt head of the bolt and adhering to the cushioning member, and the cushioning member support plate is fixed to the lower surface of the bolt head. The listed garbage truck. The garbage truck according to any one of claims 1 to 3, wherein the cushioning member covers the bolt head of the bolt.