JP5812760B2 - Container tilting device - Google Patents

Description

  The present invention relates to a container tilting device of a dust collecting vehicle for tilting a dust container and putting the dust in the dust container into a dust box from a dust slot.

  Conventionally, as a container tilting device of this kind of garbage collection vehicle, a swing arm is provided with a bracket provided in the vicinity of a dust inlet of a dust container and a swing arm whose upper end side is rotatably supported by the bracket. It is known that the container for dust held on the swing arm is tilted by rotating and the dust in the container for dust is thrown into the dust box from the dust inlet (for example, see Patent Document 1).

Japanese Patent Laid-Open No. 7-10201

  In the container tilting device, in order to hold the dust container provided with the groove-shaped engaging portion opened downward, the container is engaged with the engaging portion from below to lock the dust container. A hook is provided. In the container tilting device, a lower engaging hook is provided below the engaging hook in order to prevent the engaging portion from being detached from the engaging hook and dropping the dust container when the dust container is tilted. ing. The dust container held by the container tilting device is provided with a lower engagement portion below which the lower engagement hook can be engaged.

  In the container tilting device, the base end side of the lower engagement hook is rotatably supported, and the engagement hook is engaged with the engagement portion of the dust container, and at the same time, the lower engagement hook is rotated. The joint is engaged. For this reason, in the said container tilting apparatus, only the container for refuses with which the engaging part and the lower engaging part were provided at predetermined intervals can be hold | maintained. Therefore, there are many garbage containers that are not compatible with the container tilting device.

  An object of the present invention is to provide a container tilting device for a garbage collection vehicle to which various types of garbage containers can be applied.

The present invention, in order to achieve the object, a bracket provided in the vicinity of the dust inlet of the dust-up box, a pair of swing arms which are rotatably supported by the bracket, with a pair of swing arms In the container tilting device of the dust collection vehicle that tilts the dust container held on the pair of swing arms and throws the dust in the dust container into the dust box from the dust slot, the pair of swing arms A container holding part for holding a container for dust provided with a pair of upper and lower engaging parts on the side part, and the container holding part includes a holding part body provided between the pair of swing arms and a container for dust A first engaging piece that can be engaged with the engaging portion located on the upper side from below, a moving mechanism that moves the first engaging piece up and down, and a first engaging piece that is moved by the moving mechanism. By moving upward, it is provided so that it can be engaged from above with the engaging portion located on the lower side of the dust container that is locked by the first engaging piece and moves upward. And a second engagement piece for restricting the removal of the stopped container for dust from the first engagement piece. The first engagement piece includes a first arm portion and a hook portion at a distal end of the first arm portion, and a proximal end side of the first arm portion is connected to the holding portion main body via a support shaft. A second arm portion provided on a bracket provided on a connecting member extending in the width direction by connecting the pair of swing arms, and a second arm portion. A holding portion at the tip of the two arm portions, and the base end side of the second arm portion is movable and rotatable up and down within a predetermined range via a support shaft in a long hole provided in the bracket Rotation can be restricted by the attitude | position which protruded toward the side part part side of the said container for dust, and the attitude | position sunk.

  As a result, the second engaging piece is engaged from above with the lower engaging portion of the dust container that is locked to the first engaging piece and moves upward. Regardless of the distance between the engaging portion and the lower engaging portion, the second engaging piece can be engaged with the lower engaging portion.

According to a second aspect of the present invention, there is provided a first use pin for inserting a first fixing pin at the base end side of the first arm portion when restricting the rotation of the first arm portion in use. An insertion hole is provided, and a first storage pin insertion hole is provided on the proximal end side of the first arm portion for allowing the first fixing pin to be inserted when restricting the rotation of the first arm portion in the storage state. A body side for holding the first fixing pin in the holding portion body when the first fixing pin is inserted into the first use pin insertion hole or the first storage pin insertion hole. An insertion hole is provided, and on the proximal end side of the second arm portion, there is a second usage pin insertion hole for allowing the second fixing pin to be inserted when the rotation of the second arm portion is restricted in use. Provided on the base end side of the second arm portion to restrict the rotation of the second arm portion in the housed state. A second storage pin insertion hole for allowing the second fixing pin to be inserted therethrough is provided, and the bracket holds the second fixing pin when the second fixing pin is inserted into the pin insertion hole. Bracket side insertion hole is provided, and the second engagement piece is inserted into the second fixing pin by selecting the second use pin insertion hole or the second storage pin insertion hole, The mounting height can be changed.

  According to the present invention, the second engagement piece can be engaged with the lower engagement portion regardless of the distance between the upper engagement portion and the lower engagement portion of the dust container. Therefore, it is possible to hold a plurality of types of dust containers having different distances between the upper engaging portion and the lower engaging portion.

It is a side view of the garbage truck which shows one embodiment of the present invention. It is a side view of the container for garbage which can be hold | maintained with a container tilting apparatus. It is the figure which looked at the container tilting apparatus from the rear side. It is AA 'sectional drawing in FIG. It is BB 'sectional drawing in FIG. It is CC 'sectional drawing in FIG. It is a top view of a 2nd holding part. It is explanatory drawing of the tilting operation | movement of a container tilting apparatus. It is explanatory drawing of the tilting operation | movement of a container tilting apparatus. It is explanatory drawing of the tilting operation | movement of a container tilting apparatus. It is explanatory drawing of the tilting operation | movement of a container tilting apparatus. It is explanatory drawing of the tilting operation | movement of a container tilting apparatus. It is explanatory drawing of the tilting operation | movement of a container tilting apparatus. It is explanatory drawing of the tilting operation | movement of a container tilting apparatus. It is explanatory drawing of the tilting operation | movement of a container tilting apparatus.

  1 to 15 show an embodiment of the present invention.

  As shown in FIG. 1, the garbage collection vehicle 1 to which the container tilting device of the present invention is applied includes a vehicle 10 for traveling and a dust collection device 20 for collecting dust.

  As shown in FIG. 1, the vehicle 10 includes a chassis 11 and a cab 12 provided at a front portion of the chassis 11. The chassis 11 is provided with a pair of left and right wheels 11a on each of a front part and a rear part. A driver seat and a passenger seat are provided inside the cab 12.

  As shown in FIG. 1, the dust collection device 20 is provided with a dust storage box 21 for storing dust, and a dust input box 22 for loading dust into the dust storage box 21 provided behind the dust storage box 21. It is equipped with. A rectangular dust inlet 22a is provided at the lower part of the rear surface of the dust inlet box 22, and the dust inlet 22a is opened and closed by a door 22b. In addition, a compression loading mechanism (not shown) for compressing the dust thrown from the dust throwing opening 22 a and pushing it into the dust containing box 21 is provided inside the dust throwing box 22. Further, the dust input box 22 is provided with an operation switch 22c for operating the compression loading mechanism adjacent to the dust input port 22a.

  As shown in FIG. 1, dust containers A, B, C, D, E, F, and G are held below the dust inlet 22a of the dust collection vehicle 1 and the held dust containers A and B are held. , C, D, E, F and G are provided, and a container tilting device 30 is provided for throwing dust into the dust throwing box 22 from the dust throwing opening 22a.

Moreover, the side view of the container for refuse which can respond to this container tilting apparatus 30 is shown in FIG.
2 (a), (b), and (c) are provided with edges Aa, Ba, and Ca whose upper ends extend outward in the width direction over the entire circumference. Engaging portions Ab, Bb, Cb with which the container tilting device 30 engages are provided on the edges Aa, Ba, Ca. The engaging portions Ab, Bb, and Cb are formed in a groove shape that opens downward on the lower surfaces of the edge portions Aa, Ba, and Ca. The dust containers A, B, and C have different height dimensions, and the engaging portions Ab, Bb, and Cb have different height positions. In addition, the dust container A is different from the dust containers B and C in the width direction, and has a width direction size that is twice or more the width direction size of the dust containers B and C.
In the dust container D of FIG. 2D, brackets Da are provided on both sides in the width direction slightly above the central portion in the vertical direction of the side surface, and engagement portions Db with which the container tilting device 30 engages are provided on the bracket Da. It has been. The engaging portion Db is formed in a rod shape extending outward in the width direction from the bracket Da.
2 (e), (f), and (g) are provided with first engaging portions Ea, Fa, and Ga for engaging the container tilting device 30 on the upper side of the side surface. ing. The first engaging portions Ea, Fa, and Ga are formed in a groove shape that opens downward extending in the width direction of the dust containers E, F, and G. The first engaging portions Ea, Fa, Ga are separated from the upper ends of the dust containers E, F, G by the dust containers A, B, Cb. It is formed larger than the distance from the upper ends of B and C. Further, the dust containers E, F, and G are provided with second engaging portions Eb, Fb, and Gb that engage the container tilting device 30 below the first engaging portions Ea, Fa, and Ga on the side surfaces. . The second engaging portions Eb, Fb, and Gb are formed in a rod shape that extends in the width direction at a predetermined interval from the side surfaces of the dust containers E, F, and G.

  As shown in FIGS. 3 to 7, the container tilting device 30 has a pair of brackets 40 provided on both sides in the width direction near the lower portion of the dust inlet 22a of the dust inlet box 22, and one end side of each bracket 40 is rotated. A pair of swing arms 50 that are freely supported, a first holding unit 60 that is provided between the pair of swing arms 50 and holds the containers A, B, and C for dust, and a container D for dust are held. And a pair of third holding portions 80 in the width direction for holding the dust containers E, F, G.

  As shown in FIG. 4, each bracket 40 extends in the front-rear direction on both sides in the width direction of the lower part of the dust box 22, and one end side of the swing arm 50 is freely rotatable via a support shaft 41 at the rear end side. It is connected. The bracket 40 is provided with a first hydraulic cylinder 42 for swinging the swing arm 50. The first hydraulic cylinder 42 has one end connected to the bracket 40 via a support shaft 43 and the other end connected to the swing arm 50 via a support shaft 44.

  As shown in FIG. 4, each swing arm 50 is rotatably connected at one end side via a support shaft 41, and the other end side is positioned below the support shaft 41 in a state where no tilting operation is performed. As shown in FIG. 5, each swing arm 50 is connected to the other end side by a lift tube 51. A lift roller 53 is rotatably provided on the lift tube 51 via a bracket 52, and a side surface portion of the dust container D is supported by the lift roller 53 when the dust container D is tilted. Between one end side and the other end side of each swing arm 50, there are provided a first rotating shaft 54 and a second rotating shaft 55 whose both ends are rotatably supported by each swing arm 50, respectively. Each swing arm 50 is provided with a second hydraulic cylinder 56 for rotating the second rotating shaft 55 to move the first holding portion 60 in the vertical direction. One end side of the second hydraulic cylinder 56 is rotatably connected to the swing arm 50 via a support shaft 57, and the other end side is rotatably connected to a bracket 59 provided on the second rotation shaft 55 via a support shaft 58. Has been. The second rotating shaft 55 is configured to rotate by the expansion / contraction operation of the second hydraulic cylinder 56.

  As shown in FIG. 3, the first holding unit 60 includes a holding unit main body 61 provided between the swing arms 50 and a drop-off restricting mechanism 62 provided on the upper part of the holding unit main body 61. .

  As shown in FIG. 5, the holding part main body 61 is provided with an engaging hook 61a for engaging with the engaging parts Ab, Bb, Cb of the dust containers A, B, C at the upper part on the rear surface side. An abutting portion 61b with which the side surfaces of the dust containers A, B, C in a state of being locked to the mating hook 61a abut is provided at the lower portion on the rear side. Each holding part main body 61 is connected to the first rotary shaft 54 through the first link member 61c at the upper side on the front side and to the second rotary shaft 55 at the lower side from the front side through the second link member 61d. ing. The end portions of the first link member 61c and the second link member 61d on the holding portion main body 61 side are rotatably connected to the holding portion main body 61 via support shafts 61e and 61f. When the second rotating shaft 55 is rotated by driving the second hydraulic cylinder 56, the holding portion main body 61 moves in the vertical direction according to the rotation of the second rotating shaft 55.

  As shown in FIG. 5, the drop-out restricting mechanism 62 includes a drop-out restricting member 62a that projects above the engagement hook 61a when the holding portion main body 61 moves upward. The drop-out restricting member 62 a is a member that extends in the width direction over the holding portion main body 61. The front end side of the drop-out restricting member 62a is rotatably supported by the holding portion main body 61 via a support shaft 62b. Further, the drop-off restricting member 62a is rotatably connected to the rear end side of the third link member 62d via a support shaft 62c. The other end side of the third link member 62d is rotatably connected to a bracket 62e fixed to the other end side of the first link member 61c via a support shaft 62f. When the first link member 61c rotates in the direction in which one end side is moved upward (counterclockwise in the figure), the third link member 62d is pulled obliquely downward on the front side, and the drop-off restricting member 62a is located above the engagement hook 61a. It will be overhanging. Further, the drop-off restricting member 62a connects the one end side in the front-rear direction and the holding portion main body 61 with the tension spring 62g, so that the other end side in the front-rear direction is opposite to the direction projecting above the engagement hook 61a (the opposite direction in the figure). (Clockwise).

  As shown in FIG. 4, the second holding portion 70 is a pair of holding members 71 in the width direction for holding the engaging portion Db of the dust container D so as to be movable up and down and detachably within a predetermined range. And a lock mechanism 72 for operating the holding state and the holding release state of the engaging portion Db of the pair of holding members 71.

  As shown in FIG. 4, each holding member 71 is provided between the swing arm 50 and the first holding unit 60. The holding member 71 includes a first member 71a formed in a U-shape and a second member 71b formed in an inverted U-shape. A long hole for holding the engaging portion Db is formed. The lower part of the first member 71a is rotatably supported by the substrate 71c via a support shaft 71d. The upper part of the second member 71b is rotatably supported by the substrate 71c via a support shaft 71e. In addition, the first member 71a and the second member 71b are rotatably connected at their front end portions via a support shaft 71f. When the holding member 71 is rotated so that the end portion where the first member 71a and the second member 71b face each other faces backward, the long hole that holds the engaging portion Db is opened backward. When the holding member 71 is unlocked by the locking mechanism 72, the first member 71a and the second member 71b are rotated by the weight of the first member 71a, and the long hole is opened rearward.

  As shown in FIG. 7, the lock mechanism 72 is provided so as to be movable in the width direction, and is positioned at the lower end of the first member 71 a so as to lock in a state in which the long holes of the holding members 71 are formed. A pin 72a, an interlocking mechanism 72b for interlocking movement in the width direction of the pair of lock pins 72a, an operation lever 72c for performing unlocking operation of the lock pin 72a, and an interlocking mechanism 72b are provided on each lock pin. Each of the springs 72a has a tension spring 72d for urging the holding members 71 in the locking direction.

  As shown in FIG. 6A, each third holding portion 80 extends rearward from the first engaging member 81 as a first engaging piece extending rearward from the holding portion main body 61 and from each swing arm 50 side. And a second engagement member 82 as a second engagement piece. The 3rd holding | maintenance part 80 is comprised so that a use state shown to Fig.6 (a) and the accommodation state shown to FIG.6 (b) can each be set.

The first engaging member 81 includes a pair of first arm portions 81a in the width direction extending obliquely rearward and upward from the proximal end side toward the distal end side, and in the width direction connecting the distal ends of the arm portions 81a. And an extending hook portion 81b.

The base end side of each arm part 81a is supported by the holding part main body 61 so as to be rotatable in the vertical direction via a support shaft 81c. Also, a pin insertion hole 81d as a first use pin insertion hole is provided on the proximal end side of each arm portion 81a for allowing the first fixing pin to be inserted when the rotation of each arm portion 81a is restricted in use. It has been. Further, a pin insertion hole 81e is provided on the proximal end side of each arm portion 81a as a first storage pin insertion hole for allowing the first fixing pin to be inserted when restricting the rotation of each arm portion 81a in the storage state. It has been. The holding portion main body 61 is provided with a main body side insertion hole 61g for holding the first fixing pin in the holding portion main body 61 when the first fixing pin is inserted into the pin insertion holes 81d and 81e.

  The hook portion 81b is configured such that the front end portion thereof faces upward in the usage state of the third holding portion 80 by bending the central portion in the front-rear direction of the plate-like member extending in the width direction at a substantially right angle. The tip end portion of the hook portion 81b engages with the first engagement portions Ea, Fa, Ga of the dust containers E, F, G from below.

The second engaging member 82 is provided on a bracket 50 b provided on a connecting member 50 a extending in the width direction for connecting the swing arms 50. The second engagement member 82 extends in the width direction connecting the distal ends of the arm portions 82a as a pair of second arm portions in the width direction extending horizontally rearward from the proximal end side toward the distal end side. Holding part 82b.

The base end side of each arm portion 82a is supported by a long hole 82f provided in the bracket 50b via a support shaft 82c so as to be movable and rotatable in a vertical direction within a predetermined range. Further, on the base end side of each arm portion 82a, there is a pin insertion hole 82d as a second use pin insertion hole for allowing the second fixing pin 84 to be inserted when the rotation of each arm portion 82a is restricted in use. Is provided. Further, on the proximal end side of each arm portion 82a, there is a pin insertion hole 82e as a second storage pin insertion hole for allowing the second fixing pin 84 to be inserted when the rotation of each arm portion 82a is restricted in the stored state. Is provided. The bracket 50b is provided with bracket-side insertion holes 50c and 50d for holding the second fixing pin 84 in the bracket 50b when the second fixing pin 84 is inserted into the pin insertion holes 82d and 82e. The second engagement member 82, by inserting the second locking pin 84 to select the bracket side communication hole 50c and the bracket side communication hole 50d, the mounting height can be changed.

  The holding part 82b is formed with a concave groove having a substantially semicircular cross section downward by bending the upper end side of a plate-like member extending in the vertical direction between the arm parts 82a to the rear side. A concave groove on the front end side of the holding portion 82b engages with the second engaging portions Eb, Fb, Gb of the dust containers E, F, G from above.

  In the container tilting device of the garbage truck configured as described above, the tilting operation of the dust containers A, B, and C using the first holding unit 60 will be described. 8 and 9 show the tilting operation of the garbage container B. FIG.

  First, garbage containers A, B, and C are installed behind the holding unit main body 61 in a state where the holding unit main body 61 of the first holding unit 60 is positioned at the lowermost end. Here, since the dust container A has a large size in the width direction, one dust container A is installed behind the pair of holding portion main bodies 61 arranged in the width direction. Moreover, since the containers B and C for dust are about half the width compared with the container A for dust, the containers B and C for dust are installed in the back of one or both of the width direction.

Next, the second hydraulic cylinder 56 is driven in a shortening direction to rotate the second rotary shaft 55. When the second rotating shaft 55 rotates, the other end side of the second link member 61d fixed to the second rotating shaft 55 moves upward, and the holding portion main body 61 connected to the other end side of the second link member 61d is moved. Move upward. Since the upper portion of the holding portion main body 61 is connected to the first link member 61c fixed to the first rotating shaft 54, the holding portion main body 61 moves upward without changing the posture when the second rotating shaft 55 rotates. To do. Thereby, the engaging hook 61a provided in the holding part main body 61 is engaged with the engaging parts Ab, Bb, Cb of the containers A, B, C for dust in the middle of ascending the semicircular arc locus. As shown in FIG. 8, the containers A, B, and C for dust are lifted upward.
During the operation of raising the holding body 61, the third link member 62d is pulled obliquely downward on the front side by the rotation of the first link member 61c, and the drop-out restricting member connected to one end side of the third link member 62d. 62a overhangs the engagement hook 61a against the urging force of the tension spring 62g. At this time, as shown in FIG. 8, the drop-off restricting member 62a is positioned on the upper surface side of the edge portions Aa, Ba, and Ca located above the engaging portions Ab, Bb, and Cb. The engaged state with the joint portions Ab, Bb, Cb is maintained.

  Thereafter, the first hydraulic cylinder 42 is driven in the extending direction, and the swing arm 50 is rotated with respect to the bracket 40 so that the other end side of the swing arm 50 moves upward. As a result, the dust containers A, B, and C held by the first holding unit 60 are rotated and tilted together with the swing arm 50 as shown in FIG. Is put into the dust box 22 from the dust slot 22a. The refuse containers A, B, and C in the tilted posture are supported by the drop-off restricting member 62a, and the engagement state between the engagement hook 61a and the engagement portions Ab, Bb, and Cb is maintained.

  After tilting the dust containers A, B, and C and putting the dust into the dust box 22, the first hydraulic cylinder 42 is shortened to return the tilted positions of the dust containers A, B, and C to their original positions, The second hydraulic cylinder 56 is extended to move the holding portion main body 61 downward. Thereby, the drop-off restricting member 62a is rotated in a direction away from the upper surface side of the edge portion by the urging force of the tension spring 62g, and the engagement between the engagement hook 61a and the engagement portions Ab, Bb, Cb is released.

  Next, the tilting operation of the dust container D using the second holding unit 70 will be described.

  First, the second hydraulic cylinder 56 is driven in a shortening direction, and the holding portion main body 61 of the first holding portion 60 is moved upward.

  Next, the operation lever 72c of the second holding unit 70 is operated to set the holding release state in which the long hole of the holding member 71 is opened rearward as shown in FIG.

  Thereafter, the dust container D is installed so that each engaging portion Db is positioned behind each holding member 71, and the dust container D is moved forward to engage the engaging portion Db with the holding member 71. . At this time, the holding member 71 in the state in which the long hole is opened has the first member 71a and the first member 71a closed so that the opening portion of the long hole is closed when the rod-shaped engagement portion Db enters and is pushed into the long hole. The second member 71b operates. When the opening portion of the long hole of the holding member 71 is completely closed, the lock pin 72a moves to the lower side of the first member 71a by the biasing force of the tension spring 72d, and the opening of the long hole of the holding member 71 is restricted. The

  As shown in FIG. 11, the first hydraulic cylinder 42 is driven to extend in the state where the engaging portion Db of the dust container D is engaged with the holding member 71, and the other end side of the swing arm 50 moves upward. The swing arm 50 is rotated in the direction (counterclockwise in the drawing). Thereby, as shown in FIG. 12, the dust container D held by the second holding unit 70 is rotated and tilted together with the swing arm 50, and the dust in the dust container D is discharged from the dust inlet 22a. It is put into the dust box 22.

  After the dust container D is tilted and dust is thrown into the dust input box 22, the first hydraulic cylinder 42 is shortened to return the tilted state of the dust container D to the original state, and the operation lever 72c is operated and held. The long hole of the member 71 is opened rearward so that the holding state is released.

  Furthermore, the tilting operation of the dust containers E, F, G using the third holding unit 80 will be described. 13 to 15 show the tilting operation of the garbage container G.

  First, one or both of the first fixing pins of the pair of third holding portions 80 are inserted into the pin insertion holes 81d of the arm portions 81a, and the second fixing pins 84 are inserted into the pin insertion holes 82d of the arm portions 82a. Then, as shown in FIG. 6A, the third holding unit 80 is set to the use state.

  Next, the dust containers E, F, and G are installed behind the holding unit main body 61, the second hydraulic cylinder 56 is driven in a shortening direction, and the second rotating shaft 55 is rotated. When the second rotating shaft 55 rotates, the other end side of the second link member 61d fixed to the second rotating shaft 55 moves upward, and the holding portion main body 61 connected to the other end side of the second link member 61d is moved. Move upward. Since the upper portion of the holding portion main body 61 is connected to the first link member 61c fixed to the first rotating shaft 54, the holding portion main body 61 moves upward without changing the posture when the second rotating shaft 55 rotates. To do. Thereby, as shown in FIG. 13, the first engaging member 81 provided in the holding portion main body 61 is in the middle of ascending the semicircular arc-shaped locus, and the first engaging portion of the dust containers E, F, G. Engages with Ea, Fa, Ga, and lifts the containers E, F, G for dust. When the dust containers E, F, and G are lifted and moved upward, they move as shown in FIG. 14, and the second engagement portions Eb, Fb, and Gb of the dust containers E, F, and G are in the second relationship. Engage with the holding portion 82 b of the combined member 82.

  Thereafter, the first hydraulic cylinder 42 is driven in the extending direction, and the swing arm 50 is rotated with respect to the bracket 40 so that the other end side of the swing arm 50 moves upward. As a result, the dust containers E, F, and G held by the third holding unit 80 are rotated and tilted together with the swing arm 50 as shown in FIG. Is put into the dust box 22 from the dust slot 22a. The refuse containers E, F, and G in an inclined posture are supported by the holding portion 82b of the second engagement member 82, and the hook portion 81b of the first engagement member 81 and the first engagement portions Ea, Fa, and Ga. The engagement with is maintained.

  After tilting the dust containers E, F, G and throwing the dust into the dust throwing box 22, the first hydraulic cylinder 42 is shortened to return the tilting posture of the dust containers E, F, G to the original posture, The second hydraulic cylinder 56 is extended to move the holding portion main body 61 downward. Thereby, the engagement between the holding portion 82b of the second engagement member 82 and the second engagement portions Eb, Fb, and Gb is released, and the hook portion 81b and the first engagement portion of the first engagement member 81 are released. Engagement with Ea, Fa, and Ga is released.

  Thus, according to the container tilting device of the refuse collection vehicle of the present embodiment, the third holding part 80 engages with the first engagement parts Ea, Fa, Ga of the dust containers E, F, G from below. The first engaging member 81, a mechanism for moving the first engaging member 81 in the vertical direction, and the first engaging member 81 are moved upward to be locked to the first engaging member 81. And a second engagement member 82 provided so as to be engageable with the second engagement portions Eb, Fb, Gb of the dust containers E, F, G that move upward. Thereby, regardless of the distance between the first engagement portions Ea, Fa, Ga of the dust containers E, F, G and the second engagement portions Eb, Fb, Gb, the second engagement portions Eb, Fb, Gb The second engaging member 82 can be engaged with the first engaging portions Ea, Fa, Ga and the second engaging portions Eb, Fb, Gb. E, F, and G can be held.

  Moreover, the 1st engaging member 81 and the 2nd engaging member 82 are comprised so that it can protrude and retract toward back. Thereby, by putting the first engagement member 81 and the second engagement member 82 into the housed state, the containers A and B for dust using other holding parts such as the first holding part 60 and the second holding part 70. , C, D, the third holding portion 80 does not hinder the work.

  In addition, the first engagement member 81 and the second engagement member 82 are rotatably supported at the base end sides, respectively, and the first engagement member 81 and the second engagement member can be rotated in the use state and the storage state. It can be regulated. Thereby, the use state and the storage state of the first engaging member 81 and the second engaging member 82 can be switched by a simple mechanism such as the first fixing pin and the second fixing pin 84.

  In the above embodiment, the first engaging member 81 is provided on the holding portion main body 61 of the first holding portion 60 and the first engaging member 81 is moved in the vertical direction. It is not limited to. For example, a dedicated mechanism for moving the first engagement member 81 in the vertical direction may be configured in the third holding unit 80.

DESCRIPTION OF SYMBOLS 1 ... Dust collection vehicle, 22 ... Dust input box, 22a ... Dust input port, 30 ... Container tilting device, 40 ... Bracket, 42 ... 1st hydraulic cylinder, 50 ... Swing arm, 50a ... Connecting member, 50b ... Bracket, 50c ... bracket side communication hole, 50d ... bracket side communication hole, 56 ... second hydraulic cylinder, 61 ... holding part main body, 61g ... main body side insertion hole, 80 ... third holding part, 81 ... first engaging member (first the engagement piece), 81a ... arm portion (the first arm portion), 81b ... hook portion, 81c ... shaft, 81d ... pin insertion holes (first using pin insertion hole), 81e ... pin insertion holes (first housing pin (Insertion hole), 82 ... second engagement member (second engagement piece) , 82a ... arm part (second arm part), 82b ... holding part, 82c ... support shaft, 82d ... pin insertion hole (second use pin) Insertion hole), 82e ... Pin insertion hole Second receiving pin insertion hole), 82f ... elongated hole, 83 ... first locking pin, 84 ... second locking pin, G ... dust container, Ga ... first engaging portion, Gb ... second engaging portion.

Claims (2)

Comprising a bracket provided in the vicinity of the dust inlet of the dust-up box, a pair of swing arms which are rotatably supported by the bracket, and by rotating a pair of swing arms, and held in a pair of swing arms In the container tilting device of the garbage collector that tilts the dust container and puts the dust in the dust container into the dust box from the dust slot,
The pair of swing arms has a container holding portion for holding a garbage container having a pair of upper and lower engaging portions on a side surface portion,
The container holding part is
A holding body provided between the pair of swing arms;
A first engagement piece engageable from below with an engagement portion located on the upper side of the container for dust,
A moving mechanism for moving the first engagement piece in the vertical direction;
By moving the first engagement piece upward by the moving mechanism, it is provided so as to be engageable from above on the engagement portion located on the lower side of the garbage container that is locked by the first engagement piece and moves upward. It is, possess a second engaging piece for restricting the detachment of the first engagement piece engaging sealed dust container to the first engagement piece, a,
The first engagement piece is
A first arm part;
A hook portion at the tip of the first arm portion,
The base end side of the first arm part is supported by the holding part body so as to be rotatable in the vertical direction via a support shaft,
The second engaging piece is
A second arm portion provided on a bracket provided on a connecting member that connects the pair of swing arms and extends in the width direction;
A holding part at the tip of the second arm part,
The base end side of the second arm portion is supported by a long hole provided in the bracket via a support shaft so as to be movable and rotatable in a vertical direction within a predetermined range.
A container tilting device for a garbage truck , wherein the rotation can be regulated by a posture protruding toward the side surface side of the dust container and a sinking posture . On the base end side of the first arm part, a first use pin insertion hole is provided for inserting a first fixing pin when restricting rotation of the first arm part in use.
On the base end side of the first arm portion, a first storage pin insertion hole is provided for allowing the first fixing pin to be inserted when restricting rotation of the first arm portion in the storage state.
The holding part main body has a main body side insertion hole for holding the first fixing pin in the holding part main body when the first fixing pin is inserted into the first use pin insertion hole or the first storage pin insertion hole. Is provided,
On the base end side of the second arm part, a second use pin insertion hole is provided for inserting a second fixing pin when restricting rotation of the second arm part in use.
On the base end side of the second arm portion, a second storage pin insertion hole is provided for allowing the second fixing pin to be inserted when restricting rotation of the second arm portion in the storage state.
The bracket is provided with a bracket side insertion hole for holding the second fixing pin in the bracket when the second fixing pin is inserted into the pin insertion hole,
The second engagement piece is configured such that the mounting height can be changed by selecting the second use pin insertion hole or the second storage pin insertion hole and inserting the second fixing pin. The container tilting device for a garbage truck according to claim 1, wherein

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