JP2011037531A - Refuse collection vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a refuse collection vehicle facilitating attachment operation of a driving device to a vehicle. <P>SOLUTION: An oil tank 21, a battery 46, a power unit 49, a charger 50, a connector 52, and a controller C, each constituting the driving device 58, are integrated by fixing all of these to a common attachment member 71. The attachment member 71 is attached to a vehicle body frame 1b. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a garbage truck that operates a loading device by driving a power unit that uses a battery as a power source.

A conventional garbage truck has a dust input box behind the dust storage box, and a loading device for loading the dust input into the dust storage box into the dust storage box. Is provided. This loading device performs loading operation by driving a driving device mounted on a vehicle (see, for example, Patent Document 1).
The drive device includes a battery that is a power source and a power unit (an electric motor and a hydraulic pump) that is driven by receiving power supply from the battery, and can operate the loading device with the engine stopped. It can be done. For this reason, the loading operation can be performed with low noise, and the amount of exhaust gas can be reduced.

JP 2009-29602 A (see FIGS. 7 and 8)

Since the garbage truck has the battery and the power unit individually mounted on the vehicle body, there is a problem that the mounting operation of the driving device to the vehicle becomes complicated.
The present invention has been made in view of the above problems, and an object of the present invention is to provide a garbage collection vehicle that can easily perform a mounting operation of a drive device to a vehicle.

In order to achieve the above object, a garbage collection vehicle according to the present invention includes a vehicle body frame extending rearward from a lower part of a cab, a dust storage box disposed above the vehicle body frame, and a rear of the dust storage box. And a dust input box having a dust input port at the rear, and an operation of loading the dust input into the dust input box into the dust storage box, and the dust loaded into the dust storage box A garbage collector comprising: a loading device that performs an operation for discharging to the outside; a power unit that operates at least a part of the loading device; and a driving device that includes a battery for supplying power to the power unit. In the vehicle, the battery and the power unit of the drive device are attached to and integrated with a common attachment member, and the attachment member is attached to the vehicle body frame. It is characterized in that attached to arm side or the dust housing box side.
According to the garbage collection vehicle having such a configuration, the battery and the power unit of the driving device are attached to and integrated with the common attachment member, and this attachment member is attached to the vehicle body frame side or the dust container box side. The power unit can be attached to the vehicle in a unitized state. Therefore, it is not necessary to separately attach the battery and the power unit to the vehicle, and the operation of attaching the drive device to the vehicle can be easily performed.

The refuse collection vehicle further includes a control unit that drives and controls the power unit, and a storage unit that stores the control unit, and the storage unit is attached to the mounting member. It is preferable.
In this case, since the storage part that stores the control part is attached to the attachment member, the control part and the battery or the like can be attached to the vehicle in a unitized state. Therefore, it is not necessary to separately attach the control unit, the battery, and the like to the vehicle, and the operation of attaching the drive device to the vehicle can be performed more easily.

In addition, the control unit includes a pair of wall portions whose inner surfaces face each other, and the storage unit causes the pair of clamping pieces to abut against the outer surfaces of the wall portions of the control unit. It is preferable to have a holding part that holds the holding part and a fixing part that fixes the holding part to the storage part.
In this case, since the control unit can be fixed to the storage unit in a state where the inner surfaces of the control unit sandwich a pair of wall portions facing each other, vibrations during vehicle running or loading device operation, etc. It can prevent that the said wall part of a control part shakes in the said opposing direction with respect to a storage part.

The drive device is housed in the housing portion and further includes a maintenance portion for performing maintenance work on the control portion, and the maintenance work is provided on a wall portion of the housing portion adjacent to the maintenance portion. It is preferable that a maintenance hole is formed.
In this case, since the maintenance hole is formed in the wall part of the storage part adjacent to the maintenance part, the maintenance part stored in the storage part can be easily visually recognized from the maintenance hole. Therefore, the maintenance work of the control unit can be easily performed.

  According to the garbage collection vehicle of the present invention, since the battery and the power unit can be attached to the vehicle in a unitized state, it is not necessary to separately attach the battery and the power unit to the vehicle. Installation work can be performed easily.

It is the sectional side view which looked at the garbage truck of this invention from the port side. It is a rear view of a garbage truck. It is a hydraulic circuit diagram of a garbage truck. It is the side view which looked at the garbage truck from the starboard side. It is a front view of the switch box in the cab of a garbage truck. It is a control block diagram of a refuse collection vehicle. It is the perspective view seen from the starboard side diagonal back which shows the state which united the drive device in the attachment member. It is a perspective view which shows typically the state which decomposed | disassembled the drive device of FIG. It is a top view of the said refuse collection vehicle. It is sectional drawing seen from the vehicle front which shows typically the arrangement | positioning relationship between a refuse storage box and a battery. FIG. 8 is a front view of FIG. 7. FIG. 8 is a right side view of FIG. 7. It is a side view which shows typically the state which decomposed | disassembled the 2nd box front attachment part. It is a principal part enlarged view of FIG. 11 which shows the whole fixing means. It is a right view of FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a side sectional view of a garbage truck according to the first embodiment of the present invention as seen from the port side. In the figure, the garbage collection vehicle 1 includes a cab (cab) 1a, a pair of left and right body frames 1b formed to extend rearward from the lower portion of the cab 1a, and a dust disposed above the body frame 1b. A storage box 2 and a dust input box 3 disposed behind the dust storage box 2 are provided. An opening 2 a is formed on the rear surface of the dust container 2. At the rear part of the dust input box 3, an input port 3a into which dust is input is formed, and a lid 3b that slides the input port 3a up and down to open and close is provided. An opening 3 d for accommodating the dust thrown into the dust throwing box 3 in the dust throwing box 2 is provided at the lower front part of the dust throwing box 3.
The dust input box 3 can be rotated around a fulcrum P provided at the upper portion thereof, and can be opened and closed with respect to the dust container box 2. The dust container 3 closes the dust container 2 at the position indicated by the solid line in the figure, and opens the dust container box 2 to discharge the dust when rotated upward as indicated by the two-dot chain line in the figure. Ready for

  Next, the loading device T provided in the dust box 3 will be described. First, left and right side walls 3c of the dust box 3 are provided with guide rails 4 extending obliquely up and down, and a pair of left and right rollers 6 attached to the slider 5 are obliquely up and down inside the guide rails 4. Can move. The slider 5 is formed by connecting the left and right side members as shown in the figure by a plate or the like (not shown) extending in the vehicle width direction. Further, a pushing plate 8 is rotatably attached to the lower end portion of the slider 5 via a pin 7. The pushing plate 8 is also formed by connecting and connecting left and right members having a side surface shape as illustrated by a plate or the like (not shown) extending in the vehicle width direction.

  On the other hand, the cylinder side end portion of the push cylinder (compression drive means) 9 is attached to the left and right side walls 3 c by pins 10, and the piston side end portion is connected to the upper end portion of the slider 5 by pins 11. On the other hand, the cylinder side end of the press cylinder (pushing drive means) 12 is connected to the pressing plate 8 by a pin 13, and the piston side end is connected to the upper end of the slider 5 by the pin 11. Along with the pushing plate 8, the slider 5 rises obliquely by the extension operation of the push cylinder 9, and descends obliquely by the contraction operation.

  As a result, the pushing plate 8 performs a “reverse” stroke in which the push plate 8 rotates counterclockwise around the pin 7 by the contraction operation of the press cylinder 12 from the original position indicated by the solid line in the drawing. Further, after the reversing process, the pushing plate 8 performs a “primary compression” stroke by the contraction operation of the push cylinder 9, and subsequently a “secondary compression” stroke that rotates clockwise by the extension operation of the press cylinder 12. I do. Further, the pushing plate 8 performs a “pushing” stroke by the extension operation of the push cylinder 9 and returns to the original position.

  A discharge plate 18 is provided inside the garbage storage box 2 so as to be movable in the front-rear direction of the vehicle, and a storage space for storing the dust behind the discharge plate 18 (between the discharge plate 18 and the opening 2a). Sa is formed. One end portion 19a of a telescopic discharge cylinder (discharge plate driving means) 19 is connected to a substantially intermediate portion in the vehicle width direction of an inclined portion 18a described later of the discharge plate 18, and the other end portion 19b is a front wall 2d of the dust container box 2. Is connected to a substantially middle portion in the vehicle width direction. The discharge plate 18 is movable between the rearmost position indicated by the solid line and the foremost position indicated by the two-dot chain line in FIG. When the storage space Sa is empty, the discharge plate 18 is in an initial position slightly ahead of the rearmost position, and the dust loaded in the dust storage box 2 by the push plate 8 is pushed into the push plate 8 and the discharge plate 18. Compressed between. When the loading amount of the dust increases, the discharge cylinder 19 is gradually contracted to move the discharge plate 18 forward, and the accommodation space Sa is expanded. Further, by extending the discharge cylinder 19 and moving the discharge plate 18 rearward, the dust stored in the dust storage box 2 can be discharged to the outside from the opening 2a.

  In the lower part of the discharge plate 18, an inclined portion 18 a inclined downward is formed, and the dust loaded in the accommodation space Sa is moved upward along the inclined portion 18 a by the pushing operation of the pushing plate 8. It is supposed to let you. Thereby, dust can be accommodated without a gap over the entire accommodation space Sa.

FIG. 2 is a rear view of the garbage truck 1. A pair of swing cylinders (input box driving means) 20 disposed at the left and right ends of the dust input box 3 has an upper end attached to the dust storage box 2 side (see FIG. 1) and a lower end attached to the dust input box 3. Yes. When the swing cylinder 20 is extended, the dust throwing box 3 rotates upward to open the dust container 2, and closes when the shrinking action is performed.
In the present embodiment, the loading plate T, the push cylinder 9, the press cylinder 12, the discharge plate 18, the discharge cylinder 19, and the swing cylinder 20 constitute a loading device T.

  FIG. 3 is a hydraulic circuit diagram relating to the push cylinder 9, press cylinder 12, discharge cylinder 19 and swing cylinder 20. The hydraulic circuit includes an oil tank 21, a hydraulic pump 22, pressure control valves 23a to 23e, a push cylinder solenoid valve 24, a press cylinder solenoid valve 25, a discharge cylinder solenoid valve 26, and a swing cylinder solenoid valve 27 (tailgate). The switching valve 28a to 28b, the check valves 29a to 29g, the filters 30a to 30b, the tailgate lock (cylinder) 31, and the pressure sensor 32 are connected as shown in the figure. Yes. The hydraulic pump 22 is driven by an electric motor 45 described later. Further, the pressure sensor 32 constantly detects the operating pressure of the discharge oil passage of the hydraulic pump 22 and provides the detection output to the control unit 47 (described later).

  When the pushing plate 8 is stopped at the original position, the push cylinder 9 and the press cylinder 12 are both in the extended state, and the corresponding electromagnetic valves 24 and 25 are in the neutral position. When the solenoid 25s of the press cylinder solenoid valve 25 is energized, "reverse", when the solenoid 25e is energized, "secondary compression", and when the solenoid 24s of the push cylinder solenoid valve 24 is energized, "primary compression", When the solenoid 24e is energized, each process operation of “push” is performed.

  When the discharge plate 18 is stopped at the rearmost position (solid line in FIG. 1), the discharge cylinder 19 is in the most extended state, and the discharge cylinder solenoid valve 26 is in the neutral position. When the solenoid 26e of the discharge cylinder solenoid valve 26 is excited, the discharge cylinder 19 extends. Further, when the solenoid 26s is excited, the discharge cylinder 19 is contracted. When the discharge cylinder solenoid valve 26 is in the neutral position with excitation off, both ports 19e and 19s of the discharge cylinder 19 are sealed. However, if the pressure control valve 23c and the switching valve 28a are moved to the open position, the discharge cylinder 19 can be contracted even when the discharge cylinder electromagnetic valve 26 is in the neutral position, and the discharge plate 18 can be moved forward.

  When the dust box 3 is closed (solid line in FIG. 1), the swing cylinder 20 is in the most contracted state, the swing cylinder solenoid valve 27 is in the neutral position, and the switching valve 28b is in the position shown. When the solenoid 27e of the swing cylinder solenoid valve 27 is excited, the tailgate lock 31 operates in the unlocking direction, the swing cylinder 20 extends, and the dust throwing box 3 rotates upward. When the solenoid 27e is demagnetized and the switching valve 28b is excited, the hydraulic oil in the swing cylinder 20 is returned to the tank 21 through the switching valve 28b and the swing cylinder electromagnetic valve 27 by the dead weight of the dust throwing box 3. As a result, the swing cylinder 20 contracts and the dust box 3 rotates downward. When the solenoid 27s of the swing cylinder solenoid valve 27 is energized after the dust throwing box 3 reaches the downward rotation end, the tailgate lock 31 is locked and the dust throwing box 3 is locked. Thereafter, the solenoid 27s is demagnetized, but the locked state of the tailgate lock 31 is maintained by the check valve 29g.

The pressure control valves 23a to 23e, the electromagnetic valves 24 to 27, the switching valve 28a, the check valves 29a to 29g, the filter 30b, and the pressure sensor 32 are built in the valve block 33.
FIG. 4 is a side view of the garbage truck as viewed from the starboard side. The valve block 33 is suspended and fixed to a substantially central portion in the front-rear direction of the bottom plate 2 b of the dust container box 2. The valve block 33 is connected to a plurality of hydraulic pipes 40 for supplying and discharging hydraulic oil to and from the cylinders 9, 12, 19, and 31.

  These hydraulic pipes 40 are arranged so as to extend rearward from the valve block 33 along corners 2e (see also FIG. 10) formed by a bottom plate 2b and a support main body 62 (described later). And bent upward from the rear end of the bottom plate 2b, and extends obliquely upward and forward along a corner 2h formed by the side wall 2f of the dust container 2 and the stiffener 2g that reinforces the rear edge of the dust container 2. And a piping part 40b arranged in this manner. Thus, since the hydraulic piping 40 is disposed along the corners 2e and 2h of the refuse storage box 2, the hydraulic piping 40 and the dust storage box 2 during traveling of the vehicle and operation of the loading device T are provided. It is possible to suppress resonance of the vibration sound.

FIG. 5 is a plan view showing the switch box SB1 provided in the cab 1a. In the figure, the switch box SB1 is provided with a main switch 34, a tailgate switch 35, a discharge plate switch 36, a scraping switch 37, a main lamp 38, and a lock lamp 39.
The main switch 34 is a switch that can be held at any of the “loading”, “OFF”, and “discharge” positions, and the loading operation can be performed by operating from the “OFF” to the “loading” position. Is possible. At the “discharge” position, the discharge cylinder 19 and the swing cylinder 20 can be operated.

When the tailgate switch 35 is operated “up”, the dust input box 3 is raised, and when it is operated “down”, the dust input box 3 is lowered. In addition, it is a type of switch that returns to the neutral position of “OFF” when the hand is released. When the discharge plate switch 36 is operated to “discharge”, the discharge cylinder 19 extends and the discharge plate 18 retracts to the rearmost position, and when operated to “return”, the discharge plate 18 returns to the initial position. In addition, it is a type of switch that returns to the neutral position of “OFF” when the hand is released.
The scraping switch 37 is a selection switch of “automatic” or “manual”, and in the “automatic” position, when the garbage throwing box 3 is rotated to the upper end, an operation similar to loading is automatically performed. The dust remaining at the bottom of the input box 3 can be discharged.
The main lamp 38 is lit when each switch operation of the switch box SB1 is possible. The lock lamp 39 is lit when the tailgate lock 31 is locked.

  On the other hand, in FIG. 2, switch boxes SB2 and SB3 are provided at the rear portions of the left and right side walls 3c of the dust box 3, respectively. An operation selection switch 42 for selecting either “continuous cycle” or “1 cycle” operation mode as the operation of the push-in plate 8 is loaded on the side surface of the switch box SB2, and loaded in each operation mode on the front. A loading switch 43 for starting the operation and a stop switch 44 for stopping the continuous cycle operation are provided. The other switches are switches that are used only in an emergency and will not be described in detail. The stop switch 44 is also provided in the right switch box SB3.

  FIG. 6 is a control block diagram of the garbage truck 1. The hydraulic pump 22 is driven by an electric motor 45, and the electric motor 45 is driven by the output of the control unit 47 using a dedicated battery 46 as a power source. A power unit 49 is constituted by the hydraulic pump 22 and the electric motor 45. The battery 46 is charged with power supplied from an external commercial power supply via the charger 50. In addition, it is possible to perform six collection operations (one collection operation is an operation of performing one cycle operation of the loading device T 100 times and discharging the discharge plate 18 once) by one charge. A certain amount of electric power can be stored. The charger 50 includes a charging control unit 50a that controls charging of the battery 46, and a rectifying unit 50b that converts AC power supplied from a commercial power source into DC power, and connects the power cable 51 from the commercial power source to the connector. By connecting to 52, power is supplied.

  The connector 52 is also connected to an AC / DC converter 53 housed in a control box 56 (described later). The AC / DC converter 53 converts AC power supplied from a commercial power supply via the connector 52 into DC power, and supplies the DC power to the control unit 47. Thereby, the control part 47 can also drive the electric motor 45 directly without the battery 46 by the electric power supply from a commercial power source. The AC / DC converter 53 may be built in the control unit 47.

  The control unit 47 is housed in a control box 56 which is a housing unit, and is energized via an engine start key switch 55 and a main switch 34 provided in the cab 1a. A control switch 57 for connecting / disconnecting power supply to the control unit 47 is provided in the control box 56. The control switch 57 is normally kept in an on state. In an emergency such as when the control unit 47 breaks down, the key switch 55 is turned off to switch the control switch 57 to an off state. The power supply from the AC / DC converter 53 (commercial power supply) to the control unit 47 can be cut off. The control switch 57 may be switched by a dedicated operation switch in addition to the key switch 55.

  A maintenance unit 48 for performing maintenance work on the control unit 47 is housed in the control box 56. The detailed structure of the maintenance unit 48 will be described later. The control unit 47, the maintenance unit 48, the AC / DC converter 53, the control box 56, and the control switch 57 constitute a control device C. Further, the oil tank 21, the battery 46, the power unit 49, the charger 50, the connector 52, and the control device C constitute a drive device 58 of the present invention. In addition to the above, the valve block 33 can be included as a constituent member of the driving device 58.

  The solenoids 24e to 27e, 24s to 27s and the switching valves 28a to 28b in the valve block 33 are excited and demagnetized by the control unit 47. The names of blocks such as solenoids are displayed by function. The control unit 47 is supplied with input signals from the respective function switches (shown as SW; hereinafter the same) 34 to 37, 42 to 44, the pressure sensor 32, a thermometer 59 and a rotation speed sensor 60 which will be described later. Various lamps 38 to 39 are turned on by the output of the control unit 47.

  A thermometer 59 that detects the temperature of the electric motor 45 and a rotation speed sensor 60 that detects the rotation speed of the electric motor 45 are attached to the electric motor 45. Detection signals from the thermometer 59 and the rotational speed sensor 60 are given to the control unit 47, and the output of the electric motor 45 is controlled by the control unit 47 so that the electric motor 45 is not damaged due to a temperature rise.

  In FIG. 1, a support member 61 is provided on the vehicle body frame 1b for supporting the bottom of the dust container 2 with respect to the vehicle frame 1b at a predetermined height position. The support member 61 includes a support main body portion 62 disposed along the bottom of the dust container box 2, a front support portion 63 disposed below the front end portion, the central portion, and the rear end portion of the support main body portion 62. A support part 64 and a rear support part 65 are provided.

  The support main body 62 is composed of a pair of left and right channel members formed extending in the front-rear direction, and the upper surface of each support main body 62 is fixed to the bottom plate 2b of the dust container 2 by welding (see FIG. 10). . The length of each support body 62 in the front-rear direction is formed substantially the same as the length in the front-rear direction of the bottom plate 2 b of the dust container box 2. In addition, the arrangement interval in the vehicle width direction of each support main body 62 is formed substantially the same as the arrangement interval in the vehicle width direction of each vehicle body frame 1b. Furthermore, a concave portion 62a that opens downward is formed in the lower front portion of the support main body 62 (see FIG. 10).

  In FIG. 1, the rear support portion 65 is fixed to the rear end portion of the upper surface of the vehicle body frame 1b by welding, and the rear end portion of the lower surface of the support main body portion 62 is placed on the upper surface, not shown. It is fixed with bolts. The detailed structure of the front support part 63 and the center support part 64 will be described later.

  The support member 61 is formed with a recess 66 that opens downward by the recess 62 a formed on the lower surface of the support main body 62, the rear surface of the front support portion 63, and the front surface of the center support portion 64. . A box lower space Sd is formed between the recess 66 and the upper surface of the vehicle body frame 1b. A box front space Sf (cab back space) is formed between the front surface of the front support portion 63 and the front wall 2d of the dust storage box 2 and the rear wall of the cab 1a.

In the box lower space Sd and the box front space Sf, all components of the drive device 58 are arranged in a united state. Hereinafter, the arrangement of each component of the driving device 58 and its mounting structure will be described in detail.
FIG. 7 is a perspective view of the driving device 58 seen from the obliquely rear side of the starboard side showing a unitized state, and FIG. 8 is a perspective view schematically showing a state in which the driving device 58 is disassembled. FIG. 9 is a plan view of the garbage truck 1.
7 and 8, the constituent members of the drive device 58 are all attached to and integrated with a common mounting member 71. The attachment member 71 is attached with a box lower attachment portion 72 to which a part of the drive device 58 arranged in the box lower space Sd is attached and the other part of the drive device 58 arranged in the box front space Sf. And a box front mounting portion 73.

  The lower box mounting portion 72 includes a pair of left and right base frames 72a made of square pipes extending in the front-rear direction, and a mounting frame 72b made of a pair of front and rear channel members fixed at both inner surfaces of the left and right base frames 72a. And an auxiliary frame 72c made of an angle member having both ends fixed to the rear end of each upper surface of the left and right base frames 72a. The battery 46 is placed on the upper surface of each placement frame 72b.

  The battery 46 is formed in a rectangular shape in a plan view of FIG. 9 and is arranged such that its longitudinal direction extends in the vehicle width direction (left-right direction). A plurality of projecting portions 46a projecting forward and rearward are integrally formed on the front surface and the rear surface of the battery 46, respectively. On the upper surface of these projecting portions 46a, a fixed frame 46b formed in a U-shape is respectively bolted ( (Not shown). Each fixed frame 46b is fixed to the front and rear mounting frames 72b by bolts (not shown). As shown in FIG. 8, the fixing positions of the projecting portion 46a, the fixing frame 46b, and the base frame 72b by these bolts are the same on the front side and the rear side of the battery 46. This is indicated by a dotted line arrow.

FIG. 10 is a cross-sectional view as seen from the front of the vehicle schematically showing the positional relationship between the dust container 2 and the battery 46.
Convex portions 46 c and 46 d are formed on the left and right end portions of the upper surface of the battery 46, and the convex portions 46 c and 46 d are introduced into the concave portions 62 a of the left and right support main body portions 62. Further, a concave portion 46e is formed in the central portion of the upper surface of the battery 46 in the left-right direction. The lower part of the reinforcing part 2b1 made of a channel material protruding from the bottom plate 2b of the dust container 2 is introduced into the recess 46e. A cylindrical pipe 91 for electric wiring is disposed in the recess 46e, and both front and rear ends of the pipe 91 are fixed to a fixing frame 46b of the battery 46 by bolts and nuts (see FIG. 7). ).

  Further, hydraulic hoses 92 and 93 for connecting the oil tank 21 and the hydraulic pump 22 to the valve block 33 are disposed in the recess 46e. A pair of left and right hydraulic pipes 94 that connect the discharge cylinder 19 and the valve block 33 are disposed below the bottom plate 2b. However, the hydraulic pipes 94 may be disposed in the recess 46e.

7 and 8, the charger 50 is mounted on the upper surface of the rear mounting frame 72b and the upper surface of the auxiliary frame 72c. On the rear surface of the charger 50, a protruding portion 50c protruding backward is integrally formed, and the protruding portion 50c is fixed to the auxiliary frame 72c by a bolt (not shown).
The connector 52 connected to the charger 50 is attached to the upper surface of the base frame 72a behind the center support portion 64 on the port side with the connection port 52a facing outward (see FIG. 12). Therefore, the power cable 51 from the external power source can be easily connected to the connector 52 from the port side of the vehicle. The connector 52 may be attached to the rear surface of the center support portion 64.

FIG. 11 is a front view of the driving device 58 of FIG. 7 as viewed from the front.
The box front mounting portion 73 includes a first box front mounting portion 74 disposed on the starboard side of the box front space Sf and a second box front mounting portion 75 disposed on the port side of the box front space Sf. Yes.
The first box front mounting portion 74 is fixed to a base frame 74a made of a square pipe extending in the front-rear direction, a support frame 74b erected on the upper surface of the base frame 74a, and a substantially central portion in the vertical direction of the support frame 74b. And an L-shaped mounting frame 74c (see FIG. 8), and reinforcing frames 74d and 74e for reinforcing the supporting frame 74b and the mounting frame 74c, respectively.

  The base frame 74a is integrally formed with the front end of the base frame 72a on the right side of the box lower mounting portion 72 (see FIG. 8). Accordingly, the first box front mounting portion 74 is provided integrally with the box lower mounting portion 72. The mounting frame 74c is disposed in a state offset to the right side with respect to the base frame 74a, and is fixed to the horizontal surface by a belt-like mounting frame 74f in a state where the oil tank 21 is mounted. . One end of the reinforcing frame 74d is fixed to the base frame 74a, and the other end is fixed to the horizontal surface of the mounting frame 74c. The reinforcing frame 74e has one end fixed to a base frame 75a (described later) and the other end fixed to a substantially central portion in the vertical direction of the support frame 74b.

  The oil filter 30 a is connected to the inner upper portion of the oil tank 21. Further, the other end of a hydraulic pipe 95 having one end connected to the hydraulic pump 22 is connected to the inner lower portion of the oil tank 21. Furthermore, a step 96 is disposed on the upper surface and the outer surface of the oil tank 21, and both upper and lower ends thereof are fixed to the support frame 74b and the mounting frame 74c. Thereby, when an operator raises / lowers step 96, the inspection in the dust storage box 2 can be easily performed from the inspection window (not shown) provided in the front wall 2d of the dust storage box 2 (FIG. 4).

8 and 11, the second box front mounting portion 75 includes a base frame 75a made of a square pipe extending in the front-rear direction, a support frame 75b made of a pair of front and rear angle members fixed to the upper surface of the base frame 75a, And a mounting frame 75c made of an angle member disposed above each support frame 75b.
12 is a right side view of the driving device 58 of FIG.
The base frame 75 a is integrally formed with the front end portion of the base frame 72 a on the left side of the box lower attachment portion 72. Accordingly, the second box front mounting portion 75 is integrally provided on the box lower mounting portion 72.

FIG. 13 is a side view schematically showing a state in which the second box front mounting portion 75 is disassembled.
An anti-vibration rubber 75d, which is an elastic body, is disposed between the support frame 75b and the mounting frame 75c. The anti-vibration rubber 75d is fixed on the horizontal surface of the support frame 75b by bolts 75e. Further, the support frame 75b and the mounting frame 75c are arranged in a state where the longitudinal direction is offset to the left side with respect to the base frame 75a (see FIG. 11).

  The power unit 49 and the control box 56 are attached to the upper surfaces of the left and right mounting frames 75c. Specifically, as shown in FIG. 8, the electric motor 45 is fixed to a central portion in the longitudinal direction of each mounting frame 75 c by a bolt (not shown), and one end portion (see FIG. 8 is fixed to the hydraulic pump 22 by bolts (not shown). In addition, four leg portions 56a of the control box 56 are disposed at the left and right ends of each mounting frame 75c so as to surround the front, rear, left and right of the electric motor 45, and as shown in FIG. Each leg portion 56a is fixed to the mounting frame 75c by a bolt 75f and a nut 75g fixed to the upper end of 75d.

  As shown in FIG. 11, the vertical length of each leg portion 56a is formed longer than the height of the electric motor 45, and the electric motor 45 and the control box 56 can be placed without interfering with each other. Can be fixed on top. Further, since the control box 56 is supported by the anti-vibration rubber 75d, it is possible to prevent the equipment housed in the control box 56 from being damaged by vibrations during traveling of the vehicle.

In FIG. 8, the front support portion 63 and the center support portion 64 of the support member 61 are attached to the attachment member 71 together with the constituent members of the drive device 58 in a unitized state.
The front support portion 63 is disposed at the front end portion of the base frame 72a of the box lower mounting portion 72, and includes a support frame 63a made of a pair of left and right angle members fixed to the upper surface of each base frame 72a by welding, The support frame 63a has a flat plate-like mounting frame 63b whose left and right ends are fixed to the upper end of the support frame 63a. On the upper surface of the mounting frame 63b, a front end portion of the lower surface of the support main body 62 is mounted and fixed with bolts (not shown) (see FIG. 1).

  The center support portion 64 is disposed at the rear end portion of the base frame 72a of the box lower mounting portion 72 so as to straddle the auxiliary frame 72c in the front-rear direction and fixed to the upper surface of each base frame 72a by welding. And a pair of left and right flat plate mounting frames 64b fixed to the upper end of each support frame 64a. On the upper surface of the mounting frame 64b, a substantially central portion of the lower surface of the support main body 62 is mounted and fixed by bolts (not shown) (see FIG. 1).

In FIG. 12, the attachment member 71 is fixed to the left and right vehicle body frames 1 b by securing means 76. The lashing means 76 fixes a pair of front lashing portions 77 that fix the front portion of the attachment member 71 to the upper surface of each vehicle body frame 1b, and a rear portion of the attachment member 71 to the upper surface of each vehicle body frame 1b. It consists of a pair of rear lashing portions 78.
The front securing portion 77 fixes the base frames 74a and 65a of the box front mounting portions 74 and 75 to the vehicle body frame 1b by U bolts 77a and nuts 77b, respectively. The rear tying portion 78 is clamped with U-shaped fastening brackets 78c and 78d fixed to the outer surface of the center support portion 64 and the outer surface of the vehicle body frame 1b by bolts 78a and nuts 78b. The support portion 64 is fixed to the vehicle body frame 1b.

In FIG. 11, the control unit 47 opposes the inner surfaces of the upper and lower wall portions 47a and 47b, the right and left wall portions 47c and 47d, and the front and rear wall portions 47e and 47f (see FIG. 15). In such a state, the wall portions 47a to 47f are connected so as not to be separated by screws (not shown).
FIG. 14 is an enlarged view of a main part of FIG. 11 showing the entire fixing means 80 fixing the control unit 47 inside the control box 56, and FIG. 15 is a right side view of FIG.
14 and 15, the fixing means 80 includes a first clamping unit 81 that clamps the right side of the control unit 47 in the vertical direction, a second clamping unit 82 that clamps the left side of the control unit 47 in the vertical direction, and a control unit. The third clamping part 83 that clamps the upper side of 47 from the left and right direction, the fourth clamping part 84 that clamps the lower side of the control part 47 from the left and right direction, and the front wall part 47 e of the control part 47 are moved forward. A plurality of (four in this embodiment) regulating portions 85 to be regulated, and a plurality (four in this embodiment) in which the clamping portions 81 to 84 and the regulating portions 85 are fixed to the rear wall portion 56c of the control box 56. The fixing part 86 is provided.

  The first sandwiching portion 81 is integrally formed by welding a pair of upper and lower first sandwiching pieces 81a that are in contact with the outer surfaces of the upper wall portion 47a and the lower wall portion 47b of the control unit 47, and the right end side of each first sandwiching piece 81a. A pair of upper and lower first fastening pieces 81b fixed to each other, a first connecting piece 81c made of a channel material disposed between the upper and lower first fastening pieces 81b, and both ends of the first connecting piece 81c. It comprises a pair of upper and lower first fastening portions 81d fastened to each first fastening piece 81b.

  The upper first clamping piece 81a is formed slightly longer in the left-right direction than the lower first clamping piece 81a. Anti-vibration rubber 81a1, which is an elastic body, is fixed to the inner surface of each first clamping piece 81a, and each anti-vibration rubber 81a1 is in contact with the outer surfaces of the upper wall portion 47a and the lower wall portion 47b. Each first fastening portion 81d fixes the first connecting piece 81c to each first fastening piece 81a by a bolt 81d1 and a nut 81d2. By fastening the first fastening portion 81d, the upper and lower first clamping pieces 81a are held in contact with the upper wall portion 47a and the lower wall portion 47b, respectively.

  The 2nd clamping part 82 is the structure similar to the 1st clamping part 81, Comprising: A pair of 2nd clamping piece 82a which has the prevention rubber | gum 82a1, a pair of 2nd clamping piece 82b, and the 2nd connection piece 82c, And a pair of second fastening portions 82d including bolts 82d1 and nuts 82d2. In addition, since the specific structure of these each structural member is the same as that of the 1st clamping part 81, the detailed description is abbreviate | omitted.

  The third clamping part 83 is integrated with a pair of left and right third clamping pieces 83a that are in contact with the outer surfaces of the right wall part 47c and the left wall part 47d of the control part 47, and the upper end side of each third clamping piece 83a by welding. A pair of left and right third fastening pieces 83b fixed to the left and right third fastening pieces 83b, a third connection piece 83c made of a channel material, and both ends of the third connection piece 83c. It comprises a pair of left and right third fastening portions 83d fastened to each third fastening piece 83b.

  The upper end of the right third clamping piece 83a is integrally formed with the right end of the upper first clamping piece 81a. The upper end of the left third clamping piece 83a is integrally formed with the left end of the upper second clamping piece 82a. Further, an anti-vibration rubber 83a1, which is an elastic body, is fixed to the inner surface of each third clamping piece 83a, and each of the anti-vibration rubbers 83a1 contacts the outer surfaces of the right wall 47c and the left wall 47d, respectively. Yes. Each third fastening portion 81d fixes the third connecting piece 83c to each third fastening piece 83a by a bolt 83d1 and a nut 83d2. By fastening the third fastening part 83d, the left and right third clamping pieces 83a are held in contact with the right wall part 47c and the left wall part 47d, respectively.

  The fourth sandwiching portion 84 has the same configuration as the third sandwiching portion 83, and includes a pair of fourth sandwiching pieces 84a having a prevention rubber 84a1, a pair of fourth fastening pieces 84b, and a fourth connecting piece 84c. And a pair of fourth fastening portions 84d including bolts 84d1 and nuts 84d2. The lower end of the right fourth clamping piece 84a is integrally formed with the right end of the lower first clamping piece 81a. Moreover, the lower end portion of the left fourth holding piece 84a is integrally formed with the left end portion of the lower second holding piece 82a. Since the specific structure of the other constituent members constituting the fourth clamping part 84 is the same as that of the third clamping part 83, detailed description thereof is omitted.

Each restricting portion 85 is constituted by restricting pieces 85 a respectively disposed on the upper, lower, left and right squares of the control portion 47. The upper two restricting pieces 85a are formed in a substantially trapezoidal shape, and the lower two restricting pieces 85a are formed in a substantially triangular shape.
Each regulating piece 85a has a rear surface (the right side in FIG. 15) at the front end edges of the integrally formed clamping pieces 81a and 83a, clamping pieces 81a and 84a, clamping pieces 82a and 83a, and clamping pieces 82a and 84a. These are fixed by welding. Further, an anti-vibration rubber 85a1, which is an elastic body, is fixed to the rear surface of each regulating piece 85a. ing. This restricts the front wall portion 47e from moving forward.

Each fixing portion 86 includes a fixing piece 86 a disposed in each of the upper, lower, left and right squares of the control unit 47 and a fastening portion 86 b for fastening the fixing piece 86 a to the rear wall portion 56 c of the control box 56. .
Each fixing piece 86a is formed in a rectangular shape, and the integrated clamping piece 81b and clamping pieces 83a and 83b, clamping piece 84a and clamping pieces 81b and 84b, clamping piece 83a and clamping piece 82b, 83b and the respective rear end edges of the clamping piece 84a and the fastening pieces 82b and 83b are fixed by welding.
Each fastening portion 86b fixes each fixing piece 86a to the inner surface of the rear wall portion 56c by a pair of upper and lower bolts 86b1. Accordingly, the rear wall portion 47f of the control unit 47 is restricted from moving rearward by contacting the rear wall portion of the control box 56.

  11 and 12, the maintenance portion 48 is fixed to the rear wall portion 56 c in the control box 56. The maintenance unit 48 displays maintenance work devices (not shown) such as buttons and volumes for maintenance operation, connectors for wiring, LEDs for displaying energization status, maintenance information, etc. on the mounting surface 48a1 on the board 48a. Display).

  The control box 56 has a maintenance hole 56e for maintenance work on an outer wall portion 56d on the outer side in the vehicle width direction (right side in FIG. 11) close to the mounting surface 48a1 of the maintenance portion 48. The opening area of the maintenance hole 56e is formed larger than the area of the mounting surface 48a1. A lid portion 56f for opening and closing the maintenance hole 56e is attached to the outer wall portion 56d.

Next, an operation of mounting the support member 61, the driving device 58, and the dust container 2 on the vehicle body frame 1b when manufacturing the garbage truck 1 will be described.
First, as shown in FIG. 8, the drive device 58, the front support portion 63 and the center support portion 64 of the support member 61 are mounted in advance on the mounting member 71 to integrally form a unit (see FIG. 7). The support main body 62 of the support member 61 is fixed to the bottom plate 2b of the dust container 2 by welding (see FIGS. 1 and 10).

Next, the unitized mounting member 71 is placed on the upper surface of the front portion of the body frame 1b, and the mounting member 71 is mounted by the front fixing portion 77 and the rear fixing portion 78 of the fixing means 76 as shown in FIG. Are fixed on the vehicle body frame 1b. Further, the rear support portion 65 of the support member 61 is fixed to the upper surface of the rear portion of the vehicle body frame 1b by welding (see FIG. 1).
Subsequently, the refuse storage box 2 is mounted above the vehicle body frame 1b. Specifically, as shown in FIG. 1, the support main body 62 fixed to the bottom of the dust container 2 is attached to the upper surfaces of the front support 63, the center support 64 and the rear support 65 on the vehicle body frame 1 b side. Placed on. In this state, the support main body portion 62 is fastened to the support portions 63 to 65 with bolts (not shown). Thereby, the mounting operation is completed.

  According to the refuse collection vehicle 1 of the present embodiment configured as described above, the oil tank 21, the battery 46, the power unit 49, the charger 50, the connector 52, and the control device C constituting the drive device 58 are all shared. Since the attachment member 71 is attached to and integrated with the attachment member 71 and the attachment member 71 is attached to the vehicle body frame 1b, all the constituent members of the drive device 58 can be attached to the vehicle in a unitized state. Therefore, it is not necessary to individually attach the respective constituent members to the vehicle, and the operation of attaching the driving device 58 to the vehicle can be easily performed. In addition, before the mounting member 61 is mounted on the vehicle, it is possible to carry out the work of arranging the electrical wiring and the hydraulic piping between the constituent members of the driving device 58, so that the work of arranging them can be easily performed. .

  Further, the upper and lower wall portions 47d7b and the right / left wall portions 47c and 47d, whose inner surfaces face each other, are respectively connected to the first and second clamping portions 81 and 82, and the third and second portions, respectively. Since the control unit 47 is clamped in the vertical direction and the horizontal direction by the four clamping units 83 and 84, and the clamped control unit 47 is fixed to the control box 56 by the fixing unit 86. It is possible to prevent the wall portions 47 a to 47 d of the control unit 47 from shaking in the vertical direction and the horizontal direction with respect to the control box 56 due to vibration during operation. Moreover, even if connection of each wall part 47a-47d by a screw is cancelled | released by the said vibration, it can prevent that each wall part 47a-47d of the control part 47 isolate | separates separately in the up-down direction and the left-right direction. .

  Further, since the maintenance hole 56e is formed in the outer wall portion 56d of the control box 56 close to the maintenance portion 48, the maintenance portion 48 disposed in the control box 56 can be easily visually recognized from the maintenance hole 56e. Therefore, the maintenance work of the control unit 47 can be easily performed. Moreover, since the maintenance hole 56e is disposed on the outer wall 56d of the control box 56, that is, on the port side of the vehicle, maintenance work can be performed safely from the sidewalk side.

The present invention is not limited to the above embodiment. For example, in the above embodiment, all the constituent members of the drive device 58 are attached to the common attachment member 71, but it is sufficient that at least the battery 46 and the power unit 49 are attached to the attachment member 71.
The power unit 49 includes the hydraulic pump 22 and the electric motor 45. However, the power unit 49 may include only an electric actuator such as an electric pump.
Further, the power unit 49 operates all the cylinders 9, 12, 19, and 20 constituting the loading device T, but it is sufficient that at least one cylinder is operated.
Further, although the attachment member 71 is provided as a separate member with respect to the battery 46 and the power unit 49, the battery 46 or the power unit 49 may integrally include the attachment member 71. In other words, the battery 46 and the power unit 49 can be directly connected and integrated.

Moreover, although the attachment member 71 is attached to the vehicle body frame 1b, it is also possible to attach it to the cab 1a on the vehicle body frame 1b side or the dust input box 3 on the dust storage box 2 side. In particular, when the attachment member 71 is attached to the garbage throwing box 3, the power unit 49 can be disposed near the loading device T (push cylinder 9 and / or press cylinder 12). It can be shortened and the installation work becomes easy.
Moreover, although the attachment member 71 is arrange | positioned ranging over the box lower space Sd and the box front space Sf, the arrangement position may be only the box lower space Sd or only the box front space Sf.
Moreover, although the up-down direction and the left-right direction are clamped by each clamping part 81-84, the control part 47 should just be clamped only in any one direction. Further, the front-rear direction of the control unit 47 may be sandwiched in the same manner as the up-down direction and the like.
Further, the control unit 47 and the maintenance unit 48 are separate members, but may be integrated.

Further, although the maintenance hole 56e of the control box 56 is formed in the outer wall portion 56d on the port side, it can be formed in the outer wall portion on the starboard side. In this case, the maintenance work can be easily performed by raising and lowering step 96 from the starboard side of the vehicle.
It is also possible to dispose the control box 56 and the oil tank 21 upside down and to form the maintenance hole 56e in the outer wall portion on the starboard side of the control box 56.
Moreover, although the loading apparatus T is a press type which loads dust only with the pushing plate 8, it may be a rotating plate type which loads dust with the cooperation of the pushing plate and the rotating plate. In this case, the pushing plate, the rotating plate, and a cylinder and / or a motor for operating them constitute a part of the loading device T.
Further, the loading device T is configured to discharge the dust loaded in the dust storage box 2 to the outside by the discharge plate 18, but discharges the dust to the outside by dumping the dust storage box 2. May be. In this case, the cylinder for dumping the refuse storage box 2 constitutes a part of the loading device T.

DESCRIPTION OF SYMBOLS 1 Waste collection vehicle 1a Driver's cab 1b Car body frame 2 Dust storage box 3 Dust input box 3a Input port 46 Battery 47 Control part 47a Upper wall part (wall part)
47b Lower wall (wall)
47c Right wall (wall)
47d Left wall (wall)
48 Maintenance section 49 Power unit 56 Control box (storage section)
56d Outer wall (wall)
56e Maintenance hole 58 Driving device 71 Mounting member 81 First clamping part (clamping part)
81a First clamping piece (clamping piece)
82 2nd clamping part (clamping part)
82a Second clamping piece (clamping piece)
83 3rd clamping part (clamping part)
83a 3rd clamping piece (clamping piece)
84 4th clamping part (clamping part)
84a Fourth clamping piece (clamping piece)
86 Fixed part T Loading device

Claims (4)

A body frame extending rearward from the lower part of the cab;
A refuse storage box disposed above the body frame;
A dust input box disposed behind the dust storage box and having a dust input port at the rear;
A loading device that performs an operation of loading the dust put into the dust container into the dust container, and an operation for discharging the dust loaded into the dust container to the outside;
A garbage collection vehicle comprising: a power unit that operates at least a part of the loading device; and a driving device that includes a battery for supplying power to the power unit,
The battery and the power unit of the driving device are integrated by being attached to a common mounting member,
The refuse collection vehicle, wherein the attachment member is attached to the vehicle body frame side or the dust storage box side. The drive device further includes a control unit that drives and controls the power unit, and a storage unit that stores the control unit,
The refuse collection vehicle according to claim 1, wherein the storage portion is attached to the attachment member. The control unit has a pair of wall portions whose inner surfaces face each other,
The storage portion includes a holding portion that holds the control portion by bringing a pair of holding pieces into contact with the outer surfaces of the wall portions of the control portion, and a fixed portion that fixes the holding portion to the storage portion. The refuse collection vehicle of Claim 2 which has a part. The drive device further includes a maintenance unit for performing maintenance work on the control unit while being stored in the storage unit,
The garbage collection vehicle according to claim 2 or 3, wherein a maintenance hole for the maintenance work is formed in a wall portion of the storage portion adjacent to the maintenance portion.

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