JP2011152975A - Container inversion device, and trash collection vehicle having the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a container inversion device for throwing trash in a container into a trash throw-in box by inverting the container with the trash stored therein without extending a bracket from a side lower part of the trash throw-in box in the diagonally longitudinal direction, and to provide a trash collection vehicle having the same. <P>SOLUTION: The container inversion device includes brackets 10 provided orthogonal to both side lower parts of the trash throw-in box 2, a lift arm 11 which is turnably and axially supported with an upper part of the bracket 10 with right and left sides thereof connected with a torque shaft 16, and an expansion cylinder 13 for turning the lift arm 11 through the expansion operation while one end thereof is pivotally supported with a lower part of the bracket 10 and the other end is pivotally supported by a middle part of the lift arm 11. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention includes a container reversing device and a container reversing device for reversing the container in which the waste is stored and throwing the waste in the container into the garbage throwing box when throwing the waste generated from a home or factory into the dust bin. It relates to a garbage collection vehicle.

  Conventionally, after holding a container in which garbage is stored on the support stand at the rear of the dust collection box of the garbage truck, the support stand is lifted upward together with the container so that the upper opening of the container faces the input opening of the dust collection box. There is known a container reversing device that throws the garbage in the container into a garbage throwing box by reversing it up to (for example, see Patent Document 1).

  FIG. 6 is a partially enlarged side view of the rear part of a garbage truck equipped with a conventional container reversing device. As shown in FIG. 6, the conventional container inverting device 50 is provided at the lower end edge of the input port 3 of the dust input box 2. A bracket 51 is fixed to the lower part of the side surface of the dust box 2. The bracket 51 extends obliquely rearward and upward. An upper end portion of a lift arm 52 that lifts the container C is pivotally supported by a pin 53 at the distal end portion of the bracket 51.

  Further, the base end portion of the telescopic cylinder 54 is pivotally supported at the base end portion of the bracket 51. The rod end of the telescopic cylinder 54 is pivotally supported in the middle of the lift arm 52, and the lift arm 52 is configured to rotate around the pin 53 by the telescopic operation of the telescopic cylinder 54. These bracket 51, lift arm 52, and telescopic cylinder 54 are provided symmetrically on both side surfaces of the dust box 2.

Japanese Patent No. 3143288

  However, in the above conventional container reversing device, as shown in FIG. 6, the bracket 51 and the telescopic cylinder 54 extend obliquely in the front-rear direction on the lower side surface of the dust box 2. Because it takes up a lot of space, there is a lot of wasted space. Further, when the switch 55 is provided adjacent to the container reversing device 50, a concave portion is formed at an appropriate position of the side cover 56, and the switch 55 must be provided there. Further, if the side pocket 57 is to be provided, it is necessary to form a notch in accordance with the bracket 51, and the side pocket 57 cannot be configured in some cases.

  Therefore, in the present invention, a container reversing device that inverts a container in which dust is accommodated without throwing a bracket obliquely forward and backward in the lower side of the side of the dust throwing box and throws the dust in the container into the dust throwing box. And it aims at providing the garbage truck provided with this.

  The container reversing device of the present invention includes a bracket vertically provided at the lower part on both sides of a dust container into which dust is thrown in, and a lift that is pivotally supported by the upper part of the bracket and connected to the left and right by a torque shaft. The arm and the lower end of the bracket have one end pivotally supported, the other end pivotally supported by the middle part of the lift arm, and an extension cylinder that rotates the lift arm by an extension / contraction operation.

  According to the container reversing device of the present invention, one end is pivotally supported by the lower part of the bracket vertically provided at the lower part on both sides of the dust throwing box, and the other end is pivotally supported by the middle part of the lift arm. By rotating the lift arm, the container can be reversed toward the rear opening by the rotation of the lift arm, and the garbage in the container can be put into the dust box.

  Further, the container reversing device of the present invention preferably includes a switch for operating the telescopic cylinder at the lower part of the side surface of the dust box. According to the container reversing device of the present invention, since the bracket and the telescopic cylinder are not disposed obliquely in the front-rear direction at the lower part of the side surface of the dust container box, a space is provided at the lower part of the side surface of the dust container box. Therefore, a switch for operating the telescopic cylinder can be disposed at this position. In addition, a side pocket can be provided at the lower side of the side of the dust box.

(1) A bracket vertically provided at the lower part on both sides of the dust box, a lift arm pivotally supported on the upper part of the bracket and connected to the left and right by a torque shaft, and one end at the lower part of the bracket According to the container reversing device that is pivotally supported, the other end is pivotally supported by the middle part of the lift arm, and the telescopic cylinder that rotates the lift arm by the telescopic operation, the container inversion side is obliquely front and rear in the lower part of the side surface of the dust container Since the bracket and the telescopic cylinder are not arranged, the traveling performance in a narrow alley is improved. In addition, unlike the conventional brackets that extend obliquely in the front-rear direction, the brackets can be extended in the vertical direction, so that it is easy to set the vertical position with respect to the vehicle body.

(2) By providing a switch to operate the telescopic cylinder adjacent to the bracket at the lower side of the side wall of the garbage throwing box, the telescopic cylinder can be operated by operating the adjacent switch while holding the container on the lift arm. Workability is improved.

(3) Since the side pocket is provided at the lower side of the side of the refuse input box, the empty space at the lower side of the side of the dust input box can be effectively used as a container.

It is a partial expanded side view of the garbage collection vehicle rear part provided with the container inversion apparatus in embodiment of this invention. It is a rear view of the container inversion apparatus of FIG. It is a top view of the container inversion apparatus of FIG. It is an AA arrow line view of FIG. It is an enlarged view of the locking device of FIG. It is a partial expanded side view of the rear part of a refuse collection vehicle provided with the conventional container inversion apparatus.

  1 is a rear enlarged side view of a garbage collection vehicle equipped with a container reversing device according to an embodiment of the present invention, FIG. 2 is a rear view of the container reversing device of FIG. 1, and FIG. 3 is a plan view of the container reversing device of FIG. 4 is an AA arrow view of FIG. 1, and FIG. 5 is an enlarged view of the locking device of FIG.

  In FIG. 1, a garbage collection vehicle according to an embodiment of the present invention includes a dust storage box 1 mounted on a vehicle body and connected to a rear opening 1 a at the rear end of the dust storage box 1. ing. At the rear of the dust input box 2, an input port 3 for supplying dust is opened. Further, a container reversing device 4 is provided behind the charging port 3 for holding and reversing the container C in which garbage is stored, and charging the dust in the container C into the dust box 2.

  A dust loading device (not shown) is provided in the dust throwing box 2, and the dust thrown into the dust throwing box 2 from the throwing port 3 is compressed and loaded into the dust storage box 1. A discharge plate (not shown) that is slidable in the front-rear direction is provided in the dust box 2. A telescopic cylinder (not shown) is connected between the discharge plate and the front portion of the dust container 1. By the expansion and contraction operation of the telescopic cylinder, the discharge plate reciprocates in the dust container box 1 in the front-rear direction of the vehicle body, so that the dust is compressed and the dust container box 1 is loaded when the garbage is loaded into the dust container box. The waste housed inside is discharged.

  The container reversing device 4 includes a bracket 10 that is vertically provided at the lower part on both sides of the dust box 2, a lift arm 11 that reverses the container C, a lock device 12 that holds the container C on the lift arm 11, and a lift arm. 11 has a telescopic cylinder 13 that rotates 11 and a switch 14 that operates the telescopic cylinder 13. The bracket 10, the lift arm 11, the lock device 12, and the telescopic cylinder 13 are provided symmetrically on the left and right sides at the rear of the dust bin 2. The switch 14 is provided adjacent to the container reversing device 4 at the lower part of the side surface of the dust box 2.

  The bracket 10 is extended in the vertical direction so as to protrude rearward from the lower portions on both sides of the dust box 2. The upper end of the lift arm 11 is pivotally supported by a pin 15 at the upper end of the bracket 10. Further, the base end portion of the telescopic cylinder 13 is pivotally supported by a pin 13 a at the lower end portion of the bracket 10. On the other hand, the rod end of the telescopic cylinder 13 is pivotally supported by a pin 13 b in the middle of the lift arm 11. The lift arm 11 is rotated about the pin 15 by the expansion / contraction operation of the expansion / contraction cylinder 13.

  Further, as shown in FIGS. 2 and 3, the left and right lift arms 11 are connected by a torque shaft 16 so that the rotation is synchronized. The torque shaft 16 is provided with a roller 18 via a bracket 17. The roller 18 constitutes a support portion that supports the side surface of the container C when the container C is lifted and inverted. The roller 18 relaxes the frictional resistance with the container C when the container C is supported. Furthermore, mounting plates 19 are provided on the inner sides of the left and right lift arms 11 over both ends of the torque shaft 16. The locking device 12 is provided on the mounting plate 19.

  As shown in FIG. 5, the locking device 12 includes a substantially inverted J-shaped upper lock member 22 that is pivotally supported by a pin 20 a via a bracket 20, and a substantially V shape that is pivotally supported by a pin 21 a via a bracket 21. And a lower lock member 23 in the form of a ring. The upper lock member 22 and the lower lock member 23 are arranged up and down on the same vertical plane. A pin 26 fixed to one end of the upper lock member 22 via a bracket 25 is loosely fitted in the long hole 24 formed at one end of the lower lock member 23.

  The locking device 12 configured as described above can take a lashing position indicated by a solid line in FIG. 5 and an open position indicated by a two-dot chain line. In the lashing position, the upper locking member 22 and the lower locking member 23 The holding pin C1 disposed on one side surface of the container C is held in the opening 27 formed in step S2.

  Further, the lock device 12 is provided with a lock pin 28 that prevents the movement to the open position and holds it in the locked position when the upper lock member 22 and the lower lock member 23 are in the locked position. . As shown in FIG. 5, the lock pin 28 is detachably disposed in a notch 23a formed at the lower end of the middle portion of the lower lock member 23. As shown in FIGS. The engaging / disengaging operation is performed by turning. Note that the lock pin 29 is urged by the urging member 30 in a direction in which the lock device 12 is normally held in the locked position.

  Further, as shown in FIG. 2, a roller 31 similar to the roller 18 described above is provided via a bracket 32 at an appropriate position on the lower edge of the input port 3 of the dust input box 2. Similar to the roller 18, these rollers 31 also constitute a support portion that supports the side surface of the container C when the container C is lifted and inverted. Further, the roller 31 relaxes the frictional resistance with the container C when the container C is supported.

  Moreover, the garbage truck in this embodiment is provided with the side pocket 33 in the lower part of the both sides | surfaces of the garbage input box 2, as shown in FIG.1 and FIG.4. The side pocket 33 is rotatably provided via a hinge 35 on a bracket 34 protruding from the side surface of the dust box 2. Further, a bracket 36 protruding from the inside of the side pocket 33 (on the side of the dust box 2) and a bracket 37 protruding from the side surface of the dust box 2 are connected by a biasing member 38. The side pocket 33 is urged to the storage position indicated by the solid line in FIG.

  Next, the operation of the container inverting device 4 configured as described above will be described.

  First, in a state in which the locking device 12 is in the open position indicated by the two-dot chain line in FIG. 5, the container C containing the waste is placed close to the container inverting device 4, and the holding pin C <b> 1 of the container C is locked on the upper side of the locking device 12. The container 22 is pressed toward the container reversing device 4 while being brought into contact with the lower end portion of the member 22. By this action, the upper lock member 22 and the lower lock member 23 are moved from the open position to the lashing position, the holding pin C1 of the container C is locked to the locking device 12, and the lock pin 29 is attached to the urging member. The locked state is maintained by engaging with the cutout portion 23a of the lower lock member 23 by the force.

  Thereafter, when the telescopic cylinder 13 is extended by operating the switch 14, the lift arm 11 rotates upward, the container C secured to the locking device 12 is slightly tilted backward and the side surface of the container C is The roller 18 is lifted while being supported. Further, when the lift arm 11 is rotated upward, the container C is inverted, and the upper opening of the container C faces the input port 3 of the dust input box 2 with the upper opening facing downward, and the dust in the container C becomes dust. It is charged into the charging box 2. At this time, the side surface of the container C is supported by the roller 31, and the container C is lowered toward the insertion port 3 by sliding the holding pin C <b> 1 of the container C to the stop end of the opening portion 27 of the locking device 12. The dust in the container C can be thrown into the charging port 3 by the impact when it collides with the toe 27.

  In the container reversing device 4 having the above-described configuration, the conventional diagonal bracket 51 and the telescopic cylinder 54 shown in FIG. Unlike the bracket 51, the bracket 10 extends in the vertical direction, so that the bracket 10 can easily be set in the vertical direction with respect to the vehicle body and can be easily attached.

  Further, in this container reversing device 4, a recess is formed at an appropriate position of the side cover 56, and the telescopic cylinder 13 is operated adjacent to the bracket 10 at the lower side of the side of the dust box 2 without providing the switch 14 in this recess. Since the switch 14 is provided, it is possible to reverse the container C by operating the telescopic cylinder 13 by operating the adjacent switch 14 with the container C held by the lift arm 11. Is easy to install.

  Further, in this container reversing device 4, since the conventional oblique front and rear bracket 51 and the telescopic cylinder 54 shown in FIG. 6 are not arranged at the lower side of the side of the dust input box 2, the side pocket 33 is provided at the lower side of the side of the dust input box 2. The space vacated in the lower part of the side surface of the dust bin 2 can be effectively used as a container.

  The container reversing device of the present invention is useful as a device for reversing the container in which the waste is stored and putting the waste in the container into the dust throwing box when collecting the waste generated from a home or factory in the dust containing box. It is.

C Container 1 Dust storage box 2 Dust input box 3 Input port 4 Container reversing device 10 Bracket 11 Lift arm 12 Lock device 13 Telescopic cylinder 14 Switch 16 Torque shaft 17 Bracket 18 Roller 19 Mounting plate 20, 21 Bracket 22 Upper lock member 23 Lower Lock member 28 Lock pin 29 Lock lever 30 Biasing member 31 Roller 32 Bracket 33 Side pocket 38 Biasing member

Claims (4)

Brackets vertically provided on the lower sides on both sides of the dust box,
A lift arm pivotally supported on the upper part of the bracket and connected to the left and right with a torque shaft;
A container reversing device comprising: a telescopic cylinder having one end pivotally supported at a lower portion of the bracket, the other end pivotally supported by a middle portion of the lift arm, and rotating the lift arm by a telescopic operation.   The container reversing device according to claim 1, further comprising a switch that operates the telescopic cylinder adjacent to the bracket at a lower portion of a side of the dust box.   The container inversion apparatus according to claim 1, wherein a side pocket is provided at a lower part of the side surface of the dust box. A garbage collection vehicle equipped with a dust input box into which dust is input,
Brackets vertically provided on the lower sides on both sides of the dust box,
A lift arm pivotally supported on the upper part of the bracket and connected to the left and right with a torque shaft;
A dust collector provided with a container reversing device having one end portion pivotally supported at the lower part of the bracket and the other end pivotally supported by a middle portion of the lift arm, and an expansion / contraction cylinder for rotating the lift arm by an expansion / contraction operation. car.

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