JP2018193211A - Garbage collector - Google Patents

Abstract

To provide a garbage collector capable of inhibiting a sidewall of a garbage input box from being plastically deformed by a reaction force from a loading device.SOLUTION: A garbage collector 1 comprises a garbage storage box 2, a garbage input box 3 that is disposed rear of the garbage storage box 2 and has in a rear part an input port 3b through which garbage is inputted, and a loading device T that can load into the garbage storage box 2 the garbage inputted in the garbage input box 3. The loading device T has a slider 5 that is movable along a vertically extending guide rail 4 provided on a sidewall 31 of the garbage input box 3, and a push-in plate 7 that is rotatably pivoted in a lower part of the slider 5. The sidewall 31 has a connection 31c that is connected to the guide rail 4 in contact therewith and a rear sidewall part 31d that extends from the connection 31c to a rear of the guide rail 4. In the rear sidewall part 31d, a bend 31f is formed that elastically deforms to absorb a deflection of the guide rail 4.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a garbage truck.

  A loading device for loading the thrown-in dust into the dust-containing box is provided in the dust-filling box at the rear of the dust collecting vehicle. In general, the loading device includes a press type and a rotary plate type. Among these, there is a garbage collection vehicle using a press type loading device, for example, described in Patent Document 1.

  The loading device of the garbage collection vehicle described in Patent Document 1 is provided with a slider that can move obliquely up and down along a guide rail provided on the side wall of the dust box, and is rotatably provided at the lower end of the slider. And a pushing plate. A pair of upper and lower rollers that are movable along the guide rails are attached to the slider.

  The slider and the push plate are moved obliquely up and down by the expansion and contraction operation of the push cylinder, and the push plate is rotated by the expansion and contraction operation of the press cylinder. When the push cylinder and the press cylinder are operated alternately, the pushing plate sequentially performs the operations of reversing, primary compression, secondary compression, and pushing. Thereby, the dust thrown into the dust throwing-in box can be loaded into the dust storage box.

  As shown in FIG. 7A, the guide rail 110 described in Patent Document 1 is formed in a U-shaped cross section so as to open toward the inside (upper side in the drawing) of the dust box. Each roller 120 is guided by guide portions 111 and 112 facing in the front-rear direction. A side wall 101 of the dust throwing box is connected to the rear guide portion 112.

Japanese Patent No. 4560470

  In the above garbage collection vehicle, the reaction force from the loading device (especially the reaction force from the lower roller 120) acts on the guide rail 110 when the pushing plate is moved obliquely upward together with the slider to push the dust. As a result, the guide portion 112 on the rear side of the guide rail 110 may bend rearward so as to open the opening of the guide rail 110 as shown in FIG. When such bending occurs, there is a problem in that the side wall 101 is plastically deformed to cause a crack.

  This invention is made | formed in view of such a situation, and it aims at providing the refuse collection vehicle which can suppress that the side wall of a dust input box is plastically deformed by the reaction force from a loading device.

  (1) A garbage collection vehicle according to the present invention includes a dust storage box, a dust input box which is disposed behind the dust storage box and has an input port through which dust is input, and is input into the dust input box. A loading device capable of loading the collected dust into the dust storage box, and the loading device is movable along a vertically extending guide rail provided on a side wall of the dust container box. A dust collecting vehicle having a pushing plate pivotally supported at the lower end of the slider, wherein the side wall is connected in contact with the guide rail, and the connection A rear side wall portion extending from the portion to the rear side of the guide rail, and a bent portion that is elastically deformed so as to absorb the deflection of the guide rail is formed on the rear side wall portion.

  According to the present invention, the side wall of the dust input box is formed with a bent portion that elastically deforms so as to absorb the deflection of the guide rail on the rear side wall portion extending to the rear side of the guide rail. Even if the guide rail bends due to the reaction force from the above, the bend can be absorbed by elastic deformation of the bent portion of the rear side wall. Thereby, it can suppress that the side wall of a dust input box is plastically deformed by the reaction force from a loading apparatus.

(2) A push cylinder for moving the slider up and down together with the pushing plate is disposed outside the rear side wall, and the bent part is formed by bending the rear side wall inward. preferable.
In this case, the bent portion is formed by bending the rear side wall portion on the inner side opposite to the outer side on which the push cylinder is disposed, so that the bent portion and the push cylinder can be prevented from interfering with each other. .

(3) The bent portion is formed by bending the rear side wall portion, and preferably has a plurality of broken lines.
In this case, the external force applied to the bent portion from the guide rail can be dispersed by each broken line. Thereby, it is possible to further suppress plastic deformation of the side wall of the dust box.

  ADVANTAGE OF THE INVENTION According to this invention, it can suppress that the side wall of a dust throwing box is plastically deformed by the reaction force from a loading apparatus.

It is a sectional side view of the garbage truck which concerns on one Embodiment of this invention. It is the front view which looked at the side wall of the garbage input box from the outside. It is AA arrow sectional drawing of FIG. It is sectional drawing which shows the state which the bending part elastically deformed. It is sectional drawing which shows the modification of a bending part. It is sectional drawing which shows the other modification of a bending part. It is sectional drawing of the side wall of the dust input box in the conventional refuse collection vehicle.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.
[overall structure]
FIG. 1 is a side sectional view showing a rear part of a garbage truck according to an embodiment of the present invention. Hereinafter, the front-rear direction of the garbage collection vehicle is referred to as “front-rear direction”, and the left-right direction of the garbage collection vehicle viewed from the front or rear is referred to as “width direction”. The garbage collection vehicle 1 according to the present embodiment includes a dust container 2 mounted on a vehicle body 1a, and a dust input box 3 arranged behind the dust container 2 and provided continuously.

  An opening 3 a for loading dust into the dust container 2 is formed on the front surface of the dust container 3. On the rear surface of the dust input box 3, there is formed an input port 3b into which dust is input, and an open / close lid 3c that slides up and down relative to the input port 3b to open and close the input port 3b. .

  The dust throwing box 3 can be pivoted up and down around a fulcrum P provided at the upper part, and can thereby be opened and closed with respect to the dust container 2. That is, the dust input box 3 closes the rear opening of the dust container 2 at the position shown in FIG. 1 and opens the rear opening at a position rotated upward (not shown) to discharge the dust in the dust container 2. It becomes a state that can be done.

  In the refuse input box 3, a loading device T capable of loading dust input from the input port 3b into the dust storage box 2 is provided. The loading device T is a press type that has a compression stroke in the dust loading operation, and includes a slider 5 and a pushing plate 7 that is rotatably attached to the lower end portion of the slider 5 via a pin 6. Have.

  Guide rails 4 that extend straight from the front upper part to the rear lower part are respectively provided on the left and right side walls 31 of the dust box 3. A pair of upper and lower rollers 10 are rotatably attached to the left and right sides of the slider 5, and these rollers 10 are provided in the guide rail 4 and can move obliquely up and down along the guide rail 4. As a result, the slider 5 moves diagonally up and down along the guide rail 4.

  The slider 5 has a pair of left and right side members 5a extending along the guide rail 4, and a plate or the like (not shown) extending in the width direction therebetween, and these are connected and integrated. . The pushing plate 7 also has a pair of left and right side members 7a and a plate or the like (not shown) extending in the width direction between them, and these are connected and integrated.

  Lower ends of a pair of left and right push cylinders 8 are respectively attached to both side walls 31 of the dust box 3 by pins 11. The rod tip of the push cylinder 8 is connected to the upper end of the side member 5 a of the slider 5 by a pin 12. In addition, the lower ends of a pair of left and right press cylinders 9 are connected to the pushing plate 7 by pins 13. The rod tip of the press cylinder 9 is connected to the upper end of the side member 5 a of the slider 5 by the pin 12.

  Accordingly, the slider 5 rises obliquely forward together with the push-in plate 7 by the extension operation of the push cylinder 8 and descends obliquely rearward by the contraction operation of the push cylinder 8. Further, the pushing plate 7 rotates in the clockwise direction in FIG. 1 around the pin 6 by the extension operation of the press cylinder 9, and in the counterclockwise direction in FIG. 1 around the pin 6 by the contraction operation of the press cylinder 9. Rotate.

  The loading device T operates as follows. First, from the state of FIG. 1, the pressing plate 7 is rotated counterclockwise by the contraction operation of the press cylinder 9 to reverse the pressing plate 7 (reversing step). Next, the slider 5 and the push-in plate 7 are both lowered obliquely rearward by the contraction operation of the push cylinder 8, and the dust thrown in from the charging port 3b is compressed (primary compression step). Then, the pushing plate 7 is rotated clockwise by the extension operation of the press cylinder 9 to perform secondary compression (secondary compression step).

  Next, the slider 5 and the pushing plate 7 are lifted obliquely forward by the extension operation of the push cylinder 8, and the compressed dust is pushed into the dust container 2 side (shown by a solid line from the state shown by the two-dot chain line in FIG. 1). Pushing process to move to a closed state). As described above, the loading device T sequentially performs the reversing process, the primary compression process, the secondary compression process, and the pushing process as one cycle, and the dust thrown into the dust throwing box 3 is disposed in the dust storage box through the opening 3a. 2 can be loaded.

[Configuration near the guide rail of the dust box]
FIG. 2 is a front view of the side wall 31 of the dust box 3 as viewed from the outside. 3 is a cross-sectional view taken along line AA in FIG. 2 and 3, the guide rail 4 is formed in a U-shaped cross section so as to open toward the inside of the dust box 3, and has guide portions 4a and 4b facing in the front-rear direction. . The guide rail 4 guides the movement of the roller 10 by these guide portions 4a and 4b.

  Each side wall 31 of the dust bin 3 has a first connection part 31a that is connected in contact with the front guide part 4a, and a front side wall part that extends from the first connection part 31a to the front side of the guide part 4a. 31b. Each side wall 31 includes a second connection portion 31c connected in contact with the rear guide portion 4b, and a rear side wall portion 31d extending from the second connection portion 31c to the rear side of the guide portion 4b. have.

  A notch groove 31e is formed above the front end of the rear side wall 31d. The pin 12 is disposed through the cutout groove 31e. This prevents the pin 12 and the side wall 31 from interfering with each other by the notch groove 31e when the pin 12 moves obliquely up and down together with the slider 5. Hereinafter, the “inside” of the rear side wall 31d means the inner side (loading device T side) in the width direction of the dust throwing box 3, and the “outside” of the rear side wall 31d means the dust throwing box 3 It means the outside in the width direction.

  On the outside of the rear side wall portion 31d, the push cylinder 8 is disposed in the vicinity of the second connection portion 31c and the rear side wall portion 31d. A stiffener 32 that reinforces the rear side wall 31d is provided on the outer side of the rear side wall 31d behind the push cylinder 8. The stiffener 32 is formed in a cross-sectional channel shape and is disposed in parallel with the guide rail 4.

[Bending part of rear side wall]
In the refuse collection vehicle 1, the reaction force from the loading device T (especially the reaction force from the lower roller 10) is applied to the guide rail 4 in the pushing process in which the pushing plate 7 is moved obliquely upward together with the slider 5 to push the dust. Works. For this reason, as shown in FIG. 4, the guide portion 4 b on the rear side of the guide rail 4 may bend to the rear side so as to open the opening of the guide rail 4.

  As shown in FIGS. 3 and 4, at the end of the rear side wall 31d on the guide portion 4b side, when the guide portion 4b is bent as described above, the bending is elastically deformed to absorb the bending. A portion 31f is formed. The bent portion 31 f is formed between the second connection portion 31 c and the stiffener 32. The bent portion 31f of the present embodiment is formed by bending the rear side wall portion 31d inwardly in a mountain shape before the guide portion 4b is bent (the state shown in FIG. 3). It has broken lines 31f1 and 31f2. Here, the “bending portion” in the present invention is a portion formed in the rear side wall portion from the connection end with the connection portion connected to the guide rail to reach the rearmost broken line. means. Therefore, the bending part 31f of this embodiment is formed in the rear side wall part 31d from the connection end with the 2nd connection part 31c to the broken line 31f2.

  As shown in FIG. 2, each of the polygonal lines 31f1 and 31f2 is formed to extend from the lower end of the front end portion of the rear side wall portion 31d to the cutout groove 31e. The broken lines 31f1 and 31f2 are formed in parallel to each other and in parallel to the guide portion 4b. Thereby, the bending part 31f becomes easy to bend at each broken line 31f1 and 31f2.

  Therefore, when the guide portion 4b is bent rearward, the bent portion 31f is bent at each of the broken lines 31f1 and 31f2, as shown in FIG. 4, and the straight line portion between the connecting end and the bent line 31f1 and both the bent lines 31f1. , 31f2 is elastically deformed so as to be curved at the straight line portion. Thus, the bending part 31f whole can elastically deform, and can absorb the bending of the guide part 4b. A portion extending in a direction different from the direction perpendicular to the rear surface of the guide portion 4b (direction of force when the guide portion 4b starts to open rearward) between the connection end and the last broken line 31f2 (the connection end and This is because the bent portion 31f has a straight portion between the bent line 31f1. As shown in FIG. 2, the rear side wall 31d is provided with a shielding plate 33 for shielding a gap generated below the bent portion 31f by bending the bent portion 31f.

  As described above, according to the garbage collection vehicle 1 of the present embodiment, the guide rail 4 (guide portion 4b) is bent on the rear side wall portion 31d extending to the rear side of the guide rail 4 on the rear side wall portion 31d of the dust box 3. A bending portion 31f that is elastically deformed so as to absorb water is formed. Thereby, even if bending occurs in the guide rail 4 due to the reaction force from the loading device T, the bending portion 31f of the rear side wall portion 31d can be elastically deformed to absorb the bending. As a result, it is possible to suppress plastic deformation of the side wall 31 of the dust box 3 due to the reaction force from the loading device T.

  Further, since the bent portion 31f is formed by bending the rear side wall portion 31d to the inner side opposite to the outer side where the push cylinder 8 is disposed, the bent portion 31f and the push cylinder 8 are prevented from interfering with each other. can do.

  Moreover, since the bending part 31f has the some broken line 31f1, 31f2, the external force added to the bending part 31f from the guide rail 4 can be disperse | distributed by each broken line 31f1, 31f2. Thereby, it can suppress effectively that the side wall 31 deforms plastically.

[Modification]
FIG. 5 is a cross-sectional view showing a modified example of the bent portion. The bent portion 31f ′ of the present modification is formed by bending the rear side wall portion 31d linearly inward, and has only one broken line 31f1 ′. That is, the bent portion 31f ′ of the present modification is formed in the rear side wall portion 31d from the connection end with the second connection portion 31c to the broken line 31f1 ′. Thereby, when the guide part 4b bends to the rear side, the bending part 31f is bent at the broken line 31f1 ′ and elastically deformed so as to bend at the straight line portion between the connecting end and the bent line 31f1 ′. Thus, the bending of the guide portion 4b can be absorbed. A portion extending in a direction different from the direction perpendicular to the rear surface of the guide portion 4b (direction of force when the guide portion 4b starts to open rearward) between the connection end and the last broken line 31f1 ′ (the connection end This is because the bent portion 31f has a straight portion between the bent line 31f1 ′ and the bent line 31f1 ′.

  FIG. 6 is a cross-sectional view showing another modified example of the bent portion. The bent portion 31f ″ of this modification is formed by curving the rear side wall portion 31d in an arc shape inward, and has only one broken line 31f1 ″. That is, the bent portion 31f ″ of the present modification is formed in the rear side wall portion 31d from the connection end with the second connection portion 31c to the broken line 31f1 ″. Thereby, when the guide portion 4b bends to the rear side, the bent portion 31f is bent at the broken line 31f1 ″ and elastically deformed so as to be further curved at the arc portion between the connecting end and the bent line 31f1 ″. The bending of the guide part 4b can be absorbed. A portion extending in a direction different from the direction perpendicular to the rear surface of the guide portion 4b (direction of force when the guide portion 4b starts to open rearward) between the connection end and the last broken line 31f1 ″ (the connection end This is because the bent portion 31f has a circular arc portion between the bent line 31f1 ″ and the bent line 31f1 ″.

  As described above, also in the modified examples of FIGS. 5 and 6, the bending portions 31 f ′ and 31 f ″ of the rear side wall portion 31 d are elastically deformed to absorb the deflection of the guide rail 4. It is possible to suppress the plastic deformation of the side wall 31 of the dust box 3 by the reaction force from.

[Others]
In the present embodiment, the bent portion 31f (31f ′, 31f ″) is formed by bending the rear side wall portion 31d inward, but the bent portion 31f (31f ′, 31f) is formed by bending the rear side wall portion 31d outward. ") May be formed. Moreover, although the bending part 31f (or 31f ', 31f ") of this embodiment has two (or one) broken line, it may have three or more broken lines. The slider 5 of the present embodiment is movable along the guide rail 4 via the roller 10, but can be moved via a member other than the roller 10 (for example, a sliding contact member that is in sliding contact with the guide rail 4). It is good.

  The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the meanings described above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

DESCRIPTION OF SYMBOLS 1 Dust collection truck 2 Dust storage box 3 Dust input box 3b Input port 4 Guide rail 5 Slider 7 Pushing plate 8 Push cylinder 31 Side wall 31c 2nd connection part (connection part)
31d Rear side wall portion 31f Bending portion 31f1 Broken line 31f2 Broken line T Loading device

Claims (3)

A dust storage box, a dust storage box disposed at the rear of the dust storage box and having an input port through which dust is input, and a dust input into the dust storage box can be loaded into the dust storage box. A loading device,
The loading device includes a slider that is movable along a guide rail that extends in a vertical direction provided on a side wall of the dust box, and a pushing plate that is pivotally supported by a lower end portion of the slider. Having a garbage truck,
The side wall includes a connection part that is connected in contact with the guide rail, and a rear side wall part that extends from the connection part to the rear side of the guide rail, and
A garbage collection vehicle in which a bent portion that is elastically deformed so as to absorb bending of the guide rail is formed on the rear side wall portion. A push cylinder that moves the slider up and down together with the pushing plate is disposed outside the rear side wall portion,
The garbage collector according to claim 1, wherein the bent portion is formed by bending the rear side wall portion inward.   The garbage collector according to claim 1 or 2, wherein the bent portion is formed by bending the rear side wall portion and has a plurality of broken lines.

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