JP2023049621A - Garbage collection vehicle - Google Patents

Abstract

An object of the present invention is to provide a garbage truck capable of solving the problem of a detection switch of a conventional garbage loading device and improving safety. A packing box, rotation angle sensors 14 and 15 for detecting an arbitrary tilting angle of the packing box, selection units 16 and 17 for receiving selection of enable/disable of a specific tilting motion function of the packing box, and a rotation angle. A control device PLC for controlling the tilting motion of the packing box based on the tilting angle of the packing box detected by the sensors 14 and 15 and the selection state of the specific tilting action function received by the selection units 16 and 17 . The control device PLC stores an initial position of the packing box of 0 degree, a maximum tilt angle of C degrees, and set tilt angles of A degree and B degree between the initial position of 0 degree and the maximum tilt angle of C degree. and a storage unit 27 . When the selection state of the specific tilting operation function is valid, the controller PLC tilts the packing box between the initial position of 0 degrees and the maximum tilting angle of C degrees. Change the tilting speed of the packing box at . [Selection drawing] Fig. 6

Description

The present invention relates to garbage trucks.

Conventionally, as disclosed in Patent Document 1, there is known a garbage truck equipped with a garbage storage box for storing garbage and a garbage input box connected to the rear of the garbage storage box. The garbage box is equipped with a garbage loading device, and the garbage thrown into the garbage box is pushed into the garbage storage box by the garbage loading device. The dust-throwing box is tiltably pivotally supported at the rear upper portion of the dust-containing box, and is tilted up and down by the expansion and contraction of the tilting cylinder to open and close the rear opening of the dust-containing box.

The garbage truck of Patent Document 1 is provided with a detection switch for detecting a predetermined tilting position of the garbage box. This detection switch inputs an ON signal to the control device when detecting a member to be detected having an arc-shaped cross section attached to the garbage container side, and inputs an OFF signal to the control device when not detecting the member to be detected. . Based on the signal from the detection switch, the control device confirms that the garbage box is at the fully closed position, at a position tilted 45 degrees from the fully closed position, and at a position tilted at 90 degrees from the fully closed position. to detect A limit switch, a photoelectric switch, a proximity switch, or the like is used as the detection switch.

JP-A-2001-097504

By the way, when tilting the garbage input box and the garbage storage box (hereinafter collectively referred to as "packing box") mounted on the chassis of the garbage truck, the tilting is restricted at a predetermined tilt angle for safety. If we can, we can improve safety.

However, in order to limit the tilting of the packing box at a predetermined tilting angle, it is necessary to detect the tilting angle, and for this reason, it is necessary to add a new detection switch and a member to be detected.

Further, when detecting a predetermined tilt angle of a packing box using a detection switch, it is necessary to change the mounting position of the detection switch when it becomes necessary to change the detection position for some reason.

In addition, if there are multiple tilt angles for detecting the packing box, and they are close to each other, it is difficult to secure the installation space for the detection switch, and it is difficult to detect the packing box at all the detection positions. can be.

SUMMARY OF THE INVENTION An object of the present invention is to provide a garbage truck capable of improving safety while solving the problem of the detection switch by adopting an alternative means other than the detection switch.

In order to solve the above problems, the garbage truck according to the first aspect of the present invention includes a packing box that can be tilted from an initial position arranged during traveling to a predetermined maximum tilt angle, and an arbitrary tilting angle of the packing box. a selection unit for receiving a selection of enable/disable of a specific tilting motion function of the packing box; a tilting angle of the packing box detected by the rotation angle sensor and the specific selection received by the selection unit; and a control device for controlling the tilting motion of the packing box based on the selected state of the tilting motion function. The control device has a set tilt angle storage unit that stores the initial position, the maximum tilt angle, and a set tilt angle between the initial position and the maximum tilt angle of the packing box. When the selected state of the specific tilting operation function is valid, the control device tilts the packing box between the initial position and the maximum tilt angle. The tilting speed of the packing box is changed at the set tilting angle between and.

According to the garbage collection vehicle having such a configuration, it is possible to improve safety while solving the problem of the detection switch used in the conventional garbage collection vehicle.

A garbage collection vehicle according to a second aspect of the present invention is the garbage collection vehicle according to the first aspect, wherein the control device moves the packing box to the maximum When tilting toward the tilting angle, the tilting of the packing box is stopped when the packing box reaches the set tilting angle, and the tilting of the packing box exceeding the set tilting angle is regulated.

A garbage truck according to a third aspect of the present invention is the garbage truck according to the first aspect, wherein the controller moves the packing box in one direction when the selected state of the specific tilting operation function is valid. Alternatively, when the packing box is tilted in the other direction, the tilting of the packing box is temporarily stopped when the packing box reaches the set tilt angle, and the packing box is restarted after a predetermined time has elapsed or based on a switch operation input. are tilted in the same direction.

A garbage collection vehicle according to a fourth aspect of the present invention is the garbage collection vehicle according to the first aspect, wherein the control device moves the packing box in one direction when the selection state of the specific tilting operation function is valid. Alternatively, when tilting in the other direction, the tilting speed after the packing box reaches the set tilting angle is made lower than the tilting speed before the packing box reaches the set tilting angle.

A garbage collection vehicle according to a fifth aspect of the present invention is the garbage collection vehicle according to the first aspect, wherein the control device moves the packing box in one direction when the selection state of the specific tilting operation function is valid. Alternatively, when the packing box is tilted in the other direction, the tilting of the packing box is temporarily stopped when the packing box reaches the set tilting angle, and then the packing box is tilted again before reaching the set tilting angle. It tilts in the same direction at a lower speed than the speed.

A garbage collection vehicle according to a sixth aspect of the present invention is the garbage collection vehicle according to the first aspect, wherein the set tilt angle storage unit stores a plurality of set tilt angles between the initial position and the maximum tilt angle. and the control device causes the packing box to tilt in the plurality of preset tilting motions when the packing box is tilted in one direction or in the other direction when the selected state of the specific tilting operation function is valid. The tilting speed after reaching one set tilting angle of the cargo box is made higher than the tilting speed before reaching one set tilting angle of the angles, and the cargo box is tilted in the same direction. The tilting speed after the packing box reaches another set tilting angle of the plurality of set tilting angles is made lower than the tilting speed before the box reaches another set tilting angle among the plurality of set tilting angles, and the tilting speed is set to be lower in the same direction. It tilts.

A garbage collection vehicle according to a seventh aspect of the present invention is the garbage collection vehicle according to the first aspect to the sixth aspect, wherein the packing box is a garbage input box or a garbage storage box.

ADVANTAGE OF THE INVENTION According to this invention, it is possible to provide a garbage truck capable of improving safety while solving the problem of a detection switch used in a conventional garbage truck.

It is a left side view of the garbage truck which concerns on embodiment of this invention, Comprising: It is a figure which shows a driving|running|working state. It is a left side view of the garbage truck according to the embodiment of the present invention, showing a state in which the garbage throwing box is fully opened. It is a left side view of the garbage collection vehicle according to the embodiment of the present invention, showing a state in which the garbage input box is fully opened and the garbage storage box is fully dumped. It is a figure which shows the example of the front operation part in embodiment of this invention. 1 is a hydraulic circuit diagram of a garbage truck according to an embodiment of the present invention; FIG. It is a control circuit diagram of the garbage truck which concerns on embodiment of this invention. FIG. 4 is a diagram showing a registration example of set tilt angles stored in a set tilt angle storage unit according to the embodiment of the present invention; It is a flow chart which shows the flow of control which the control device of the refuse collection vehicle concerning the embodiment of the present invention performs. It is a flow chart which shows the flow of control which the control device of the refuse collection vehicle concerning the embodiment of the present invention performs. It is a schematic diagram showing a manner in which the trash throwing box in the embodiment of the present invention is tilted. It is a schematic diagram showing how the trash storage box in the embodiment of the present invention tilts.

BEST MODE FOR CARRYING OUT THE INVENTION A garbage truck according to an embodiment of the present invention will be described below with reference to the drawings. In the following description, unless otherwise specified, the "front", "rear", "left" and "right" of the garbage truck are simply referred to as "front", "rear", "left" and "right" respectively.

As shown in FIGS. 1 to 3, the garbage truck 1 according to the embodiment of the present invention has two packing boxes on the chassis 2. As shown in FIG. One packing box is a garbage storage box 3, and the other packing box is a garbage input box 4. A garbage input box 4 is connected behind the garbage storage box 3.

The dust storage box 3 is provided between the sub-frame 2a on the chassis 2 and the frame 3a of the dust storage box 3. By expanding and contracting the dump cylinder 7 (see FIG. 3), the rear tilt of the sub-frame 2a of the chassis 2 It is configured to be tiltable (dumpable) about an axis 9 . The dust storage box 3 shown in FIG. 3 shows the maximum tilting state (full dump state) of the dust storage box 3.

The trash box 4 is pivotally supported with respect to the trash storage box 3 via a pivot 6 extending in the left-right direction, and is tilted by extending and contracting a pair of left and right tilting cylinders 5 . The dust throwing box 4 shown in FIG. 2 is tilted to the maximum tilt angle, and the rear opening 3b of the dust storage box 3 is fully opened (fully opened state). In addition, the dust throwing box 4 shown in FIG. 3 shows a state where the dust throwing box 4 tilts to the maximum tilt angle in the dust storage box 3 in a state (full dump state) tilted to the maximum tilt angle.

In addition, on the back surface of the garbage box 4, a garbage inlet for throwing in garbage is opened, and the garbage inlet is opened and closed by a liftable tailgate. A rear operation section 11 for operation such as operation of the garbage loading device is provided on the left side of the garbage inlet (see FIG. 1).

Further, in the driver's cab 1a of the garbage truck 1, as shown in FIG. 4, a front operation section 12 for garbage discharge operation is provided. The front operation unit 12 illustrated in FIG. 4 is provided with a hopper regulation switch 16, a dump regulation switch 17, a scraping button 18, a loading/unloading switch SW6, a hopper open/close switch SW7, a dump switch SW8, and the like. The hopper regulation switch 16 functions as a selection unit that accepts the selection of whether to enable or disable a specific tilting operation function of the garbage container 4, and the dump regulation switch 17 selects whether to enable or disable the specific tilting operation function of the garbage storage box 3. It functions as a selection unit that accepts In this embodiment, the specific tilting motion function of the trash container 4 is a function that limits the tilting motion of the trash container 4 in a part of its movable range, and the specific tilting motion function of the trash storage box 3 is It is a function that limits the tilting motion of the garbage container 3 in a part of its movable range.

The pivot 6 is provided with a dust throwing box rotation angle sensor 14 (see FIG. 6) for detecting an arbitrary tilting angle of the dust throwing box 4 with respect to the dust containing box 3 . The dust throwing box rotation angle sensor 14 detects an arbitrary tilting angle of the dust throwing box 4 with respect to the dust housing box 3 by detecting an arbitrary rotational position of the pivot 6 that rotates together with the dust throwing box 4. As the dust throwing box rotation angle sensor 14, for example, a rotation angle sensor capable of detecting the rotation position of the end of the pivot 6 over 360° can be used. Furthermore, a rotary encoder or a potentiometer can be used as this rotation angle sensor. A non-contact type rotation angle sensor can also be used as the rotation angle sensor.

Further, the tilting shaft 9 is provided with a dust container rotation angle sensor 15 (see FIG. 6) for detecting an arbitrary tilt angle of the dust container 3 with respect to the subframe 2a. The dust storage box rotation angle sensor 15 detects an arbitrary tilt angle of the dust storage box 3 with respect to the sub-frame 2a by detecting an arbitrary rotational position of the tilt shaft 9 that rotates together with the dust storage box 3. As the dust storage box rotation angle sensor 15, the same one as that exemplified for the dust throw-in box rotation angle sensor 14 can be used.

<Control system for tilting of garbage storage box/garbage throw-in box>
Next, with reference to FIGS. 5 and 6, a control system for tilting the packing box 100 such as the garbage storage box 3 and the garbage input box 4 will be described. This control system includes a hydraulic circuit that controls the hydraulic pressure supplied to the tilting cylinder 5 that tilts the dust throwing box 4, the dump cylinder 7 that tilts the dust storage box 3, etc., and the control valve unit 31 provided in this hydraulic circuit. and a control device PLC (programmable logic controller) that outputs a control signal.

First, the hydraulic circuit will be described with reference to FIG. This hydraulic circuit includes a hydraulic pump P, an oil reservoir T, and a control valve unit 31 . Driving force is transmitted to the hydraulic pump P by a PTO (power take-off) that takes out the power of the traveling engine E of the garbage truck 1 .

The control valve unit 31 includes a plurality of electromagnetic control valves. The control valve unit 31 supplies hydraulic oil from the hydraulic pump P to the head-side oil chambers of the pair of left and right tilting cylinders 5 at a predetermined flow rate (Q1) in accordance with a predetermined control signal from the control device PLC, thereby extending the tilting cylinders 5. Let At this time, the garbage input box 4 tilts upward at a predetermined speed (hereinafter also referred to as "hopper opening standard speed"), and the rear opening 3b of the garbage storage box 3 is opened. In addition, the control valve unit 31 supplies hydraulic oil from the hydraulic pump P to the head-side oil chambers of the pair of left and right tilting cylinders 5 in accordance with a predetermined control signal for low-speed tilting from the control device PLC. It is also possible to supply a flow rate and extend the tilting cylinder 5 relatively slowly. At this time, the garbage input box 4 tilts upward at a lower speed than the "hopper opening standard speed", and the rear opening of the garbage storage box 3 is opened.

On the other hand, the control valve unit 31, according to another predetermined control signal from the control device PLC, utilizes the weight of the garbage throwing box 4 to supply a predetermined flow rate (Q2 ), and the tilting cylinder 5 is contracted at a predetermined speed (hereinafter also referred to as “hopper closing standard speed”). In addition, the control valve unit 31 draws hydraulic oil from the head-side oil chambers of the pair of left and right tilting cylinders 5 using the weight of the dust throwing box 4 in accordance with another predetermined low-speed tilting control signal from the control device PLC. The air is discharged at a flow rate lower than the predetermined flow rate (Q2), and the tilting cylinder 5 is contracted at a lower speed than the "hopper closing standard speed".

The electromagnetic on-off valve V1 attached to the head-side port of the tilting cylinder 5 normally prevents the tilting cylinder 5 from contracting and allows the tilting cylinder 5 to extend. 4 to switch the spool position from the position shown in FIG. Allow for shrinkage.

Further, the control valve unit 31 supplies hydraulic oil from the hydraulic pump P to the head-side oil chamber of the dump cylinder 7 at a predetermined flow rate (Q3) according to a predetermined control signal from the control device PLC, thereby extending the dump cylinder 7. . Thereby, the garbage storage box 3 performs dump raising operation. At this time, the garbage storage box 3 tilts upward at a predetermined speed (hereinafter also referred to as "dump raising standard speed"). Further, the control valve unit 31 supplies hydraulic oil from the hydraulic pump P to the head-side oil chamber of the dump cylinder 7 at a flow rate lower than the predetermined flow rate (Q3) in accordance with a predetermined low-speed tilting control signal from the control device PLC. , to extend the dump cylinder 7 . Thereby, the garbage storage box 3 performs dump raising operation. At this time, the garbage storage box 3 tilts upward at a lower speed than the "dump raising standard speed".

On the other hand, the control valve unit 31 supplies hydraulic oil from the hydraulic pump P to the rod-side oil chamber of the dump cylinder 7 at a predetermined flow rate (Q4) in accordance with another predetermined control signal from the control device PLC. contract the Thereby, the garbage storage box 3 performs dump lowering operation. At this time, the garbage storage box 3 tilts downward at a predetermined speed (hereinafter also referred to as "dump lowering standard speed"). In addition, the control valve unit 31 supplies hydraulic oil from the hydraulic pump P to the rod-side oil chamber of the dump cylinder 7 at a flow rate lower than the predetermined flow rate (Q4) in accordance with another low-speed tilting control signal from the control device PLC. to retract the dump cylinder 7. Thereby, the garbage storage box 3 performs dump lowering operation. At this time, the garbage storage box 3 tilts downward at a lower speed than the "dump lowering standard speed".

Next, input/output of signals of the control device PLC will be described with reference to FIG. First, power is supplied to the control device PLC by the battery BT. An ignition switch SWK, a PTO switch SWP, a relay coil R1, and the like of the garbage truck 1 are interposed in a conducting line K2 extending from the positive electrode of the battery BT to the right side of FIG. 6 and reaching the ground line K1.

An upstream end of a power line K3 is connected between the ignition switch SWK and the battery BT in the power line K2, and a contact (relay switch) r1 of the relay coil R1 is interposed therebetween. A main power lamp PL is interposed downstream of the contact r1 of the power supply line K3. When the relay coil R1 is energized and the contact r1 is closed, the energization line K3 is energized to light the main power lamp PL.

Further, the upstream end of the energization line K4 is connected between the contact r1 and the main power lamp PL on the energization line K3. As a result, power is supplied to a signal power supply unit (not shown) of the control device PLC. That is, when the contact r1 is closed, power is supplied to the control device PLC through the power supply lines K3 and K4.

Further, a power supply line K5 branched from the power supply line K4 supplies power to the control device PLC during operation of the garbage loading device. The energization line K5 includes an emergency stop button (not shown) provided on the rear operation part 11 on the left side of the garbage throwing box 4, an emergency stop button (not shown) provided on the right rear side of the garbage throwing box 4 and an emergency Switches SW1 to SW3, which are opened and closed in response to the operation of a stop plate (not shown), are interposed respectively. When energization (that is, input of the loading continuation signal) is cut off by these switches SW1 to SW3, the control device PLC sends a control signal to the control valve unit 31 to make an emergency stop of the garbage loading device. Then, the control valve unit 31 stops supplying hydraulic oil from the hydraulic pump P to the garbage loading device.

Further, a power line K6 branching from the power line K4 supplies power to the control device PLC during the dust discharge operation. The energization line K6 is provided with a hopper open/close switch SW7 for tilting the dust input box 4 to open and close the rear opening of the dust storage box 3, and a dump switch SW8 for dumping the dust storage box 3. there is

In addition, a plurality of branch lines branching from the middle of the power supply line K4 are connected, and each of these branch lines is equipped with the above-described dust throwing box rotation angle sensor 14 and dust storage box rotation angle sensor 15. interposed. Signals from the trash box rotation angle sensor 14 and the trash box rotation angle sensor 15 are input to the control device PLC, and based on these signals, an arbitrary tilt angle of the garbage box 4 and an arbitrary tilt angle of the garbage box 3 is detected.

Furthermore, in addition to the dust-throwing box rotation angle sensor 14 and the dust storage box rotation angle sensor 15, on the input side to the control device PLC, there are a hopper regulation switch 16, a dump regulation switch 17, and a garbage loading device. A loading switch SW5 for performing a loading operation, a loading/discharging selector switch SW6 for switching between the garbage loading operation and the garbage discharging operation, and a switch for selecting single-acting or continuous operation of the garbage loading operation ( (not shown), and a switch (not shown) for independently operating the rotating plate and pushing plate constituting the garbage loading device are also electrically connected. The loading/unloading selector switch SW6 is provided at a branch position where the energizing line K5 and the energizing line K6 branch from the energizing line K4, and the energizing line K5 is connected to the loading side of the loading/unloading selector switch SW6. , the energization line K6 is connected to the discharge side of the loading/discharging switch SW6.

While various switches are connected to the input side as described above, the output side of the control device PLC is connected to the solenoids of the plurality of electromagnetic control valves included in the control valve unit 31 described above. Then, the control device PLC follows a preset procedure based on the signals input from the dust throwing box rotation angle sensor 14, the dust storage box rotation angle sensor 15, the switches SW1 to SW8, etc. The tilting cylinder 5 and the dump It is programmed to output to the corresponding solenoid to operate the cylinder 7 and the like.

For example, when performing the dust discharge operation, both the ignition switch SWK and the PTO switch SWP on the power supply line K2 are turned on, and the relay coil R1 is excited. As a result, the contact r1 of the relay coil R1 is closed, and power is supplied to the controller PLC by the power lines K3 and K4. As a result, the control device PLC becomes operable, and various control signals are output to the control valve unit 31 based on the operation of the hopper open/close switch SW7, the dump switch SW8, and the like.

In response to this control signal, the control valve unit 31 supplies working oil pressure to the tilting cylinder 5, the dump cylinder 7, and the like. As a result, the tilting cylinder 5, the dump cylinder 7, etc. are activated, and the dust discharge operation is performed.

<Control of dust discharge operation>
Garbage truck 1 according to the present embodiment, by operating the hopper regulation switch 16 and the dump regulation switch 17, it is possible to regulate the tilting motion of the garbage throwing box 4 and the garbage storage box 3. The control device PLC is provided with a set tilt angle storage unit 27 that stores information on the set tilt angle referred to for regulating the tilting operation of the trash throwing box 4 and the trash storage box 3. As shown in FIG. 7(a), the set tilt angle storage unit 27 stores "0 degree" as the initial position arranged during running, "C degree" as the maximum tilt angle, and "C degree" as the set tilt angle of the garbage throwing box 4. The first tilt angle between the initial position and the maximum tilt angle is "A degrees" (for example, any angle in the range of 0 degrees to 40 degrees), the first tilt angle between the first tilt angle and the maximum tilt angle is 2 "B degree" (for example, any angle in the range of -0 to -15 degrees from the maximum tilt angle) is stored as the tilt angle. In addition, as the set tilt angle of the garbage storage box 3, as shown in FIG. A first tilt angle between "D degrees" (for example, any angle in the range of 0 degrees to 45 degrees), and a second tilt angle between the first tilt angle and the maximum tilt angle "E degrees” (for example, any angle in the range of −0 degrees to −15 degrees from the maximum tilt angle).

Hereinafter, with reference to the flow charts of FIGS. 8 and 9, processing operations performed in the garbage discharge operation of the garbage truck 1 will be described.

First, in step S1, when the operator performs an operation to switch the PTO switch SWP from off to on, the power of the control device PLC is turned on.

Next, in step S2, the control device PLC determines whether or not the loading/discharging switch SW6 is switched to the discharging side. When the loading/discharging switch SW6 is switched to the discharging side (S2: YES), the process proceeds to step S3.

In step S3, the control device PLC determines whether or not the hopper open/close switch SW7 is switched to the open side. If the hopper opening/closing switch SW7 has been switched to the open side (S3: YES), the process proceeds to step S4, and if the hopper opening/closing switch SW7 has not been switched to the closed side (S3: NO), the process proceeds to step S5.

In step S4, the control device PLC determines whether or not the hopper regulation switch 16 is switched to the regulation side. If the hopper regulation switch 16 is switched to the regulation side (if the selection state of the function to regulate the tilting operation of the garbage throwing box 4 is valid) (S4: YES), proceed to step S6, the control device PLC , the hopper opening operation, that is, the operation of tilting the garbage throwing box 4 upward is executed in the regulation mode.

On the other hand, in step S4, when the hopper regulation switch 16 is switched to the release side (S4: NO), the process proceeds to step S7, and the control device PLC performs the hopper opening operation, that is, the operation of tilting the garbage throwing box 4 upward is executed in deregulation mode.

In step S5, the control device PLC determines whether or not the hopper open/close switch SW7 has been switched to the closed side. If the hopper opening/closing switch SW7 has been switched to the closed side (S5: YES), the process proceeds to step S8, and if the hopper opening/closing switch SW7 has not been switched to the closed side (S5: NO), the process proceeds to step S11.

Next, in step S8, the control device PLC determines whether or not the hopper regulation switch 16 is switched to the regulation side. If the hopper regulation switch 16 is switched to the regulation side (if the selection state of the function to regulate the tilting operation of the garbage throwing box 4 is valid) (S8: YES), proceed to step S9, the control device PLC , the hopper closing operation, that is, the operation of tilting the garbage throwing box 4 downward is executed in the regulation mode.

On the other hand, in step S8, when the hopper regulation switch 16 is switched to the release side (S8: NO), the process proceeds to step S10, and the control device PLC performs the hopper closing operation, that is, the operation of tilting the garbage throwing box 4 downward is executed in deregulation mode.

After step S6, step S7, step S9 or step S10, or after determining in step S5 that the hopper opening/closing switch SW7 has not been switched to the closed side (S5: NO), the controller PLC operates the hopper opening/closing switch SW7. is turned off. If the hopper open/close switch SW7 is off (S11: YES), the process proceeds to step S12, and if the hopper open/close switch SW7 is not off (S11: NO), the process returns to step S3.

Next, in step S12 shown in FIG. 9, the control device PLC determines whether or not the garbage throwing box 4 is tilted by a predetermined angle or more. If the dust throwing box 4 is tilted at a predetermined angle or more (for example, 45 ° or more) (S12: YES), proceed to step S13, and if the dust throwing box 4 is not tilted at a predetermined angle or more (S12: NO), this Exit control routine.

In step S13, the control device PLC determines whether or not the dump switch SW8 is switched to the upper side. If the dump switch SW8 is switched upward (S13: YES), the process proceeds to step S14, and if the dump switch SW8 is not switched upward (S13: NO), the process proceeds to step S15.

In step S14, control device PLC determines whether or not dump regulation switch 17 is switched to the regulation side. If the dump regulation switch 17 is switched to the regulation side (if the selection state of the function to regulate the tilting operation of the garbage container 3 is valid) (S14: YES), proceed to step S16, the control device PLC , performs the dump raising operation, that is, tilting the garbage container 3 upward in the regulation mode.

On the other hand, in step S14, when the dump regulation switch 17 is switched to the release side (S14: NO), the process proceeds to step S17, and the control device PLC performs the dump raising operation, that is, the upward tilting of the garbage storage box 3 Execute in regulation release mode.

In step S15, the control device PLC determines whether or not the dump switch SW8 is switched to the lower side. If the dump switch SW8 is switched downward (S15: YES), the process proceeds to step S18, and if the dump switch SW8 is not switched downward (S15: NO), the process proceeds to step S21.

Next, in step S18, the control device PLC determines whether or not the dump regulation switch 17 is switched to the regulation side. If the dump regulation switch 17 is switched to the regulation side (if the selection state of the function to regulate the tilting operation of the garbage storage box 3 is valid) (S18: YES), proceed to step S19, the control device PLC is a dump lowering operation, that is, tilting of the garbage container 3 downward is performed in the regulation mode.

On the other hand, in step S18, if the dump regulation switch 17 is switched to the release side (S18: NO), the process proceeds to step S20, and the control device PLC performs the dump lowering operation, that is, the downward tilting of the garbage storage box 3 Execute in regulation release mode.

After step S16, step S17, step S19, or step S20, or after determining in step S15 that the dump switch SW8 has not been switched to the lower side (S15: NO), the control device PLC turns off the dump switch SW8. Determine whether or not If the dump switch SW8 is off (S21: YES), this control routine is exited, and if the dump switch SW8 is not off (S21: NO), the process returns to step S13.

Next, the above-described steps S6, step S7, step S9 and step S10 tilting operation of the garbage box 4 in each step, step S16, step S17, step S19 and step S20 dumping operation of the garbage storage box 3 in each step will be described with reference to FIGS. 10 and 11. FIG.

In step S7 described above, the control device PLC executes the hopper opening operation in the regulation release mode. In this case, the control device PLC extends the tilting cylinder 5 via the control valve unit 31, thereby moving the garbage throwing box 4 from the fully closed position, which is the initial position, toward the fully open position, which is the maximum tilting angle. Tilt at standard speed. Then, the control device PLC determines that the tilting angle of the dust throwing box 4 with respect to the dust storing box 3 detected based on the signal from the dust throwing box rotation angle sensor 14 is the maximum tilt angle "C degree" of the dust throwing box 4. (See FIG. 7(a)), by stopping the extension of the tilting cylinder 5 via the control valve unit 31, the dust throwing box 4 is stopped at the fully open position. In this deregulation mode, the control device PLC tilts the garbage throwing box 4 at the "hopper open standard speed" over the entire area regardless of the tilting angle of the refuse throwing box 4 with respect to the dust containing box 3.

In step S6 described above, the control device PLC executes the hopper opening operation in the restriction mode. In this case, the control device PLC extends the tilting cylinder 5 via the control valve unit 31, thereby tilting the dust throwing box 4 from the initial position toward the maximum tilting angle. However, the control device PLC determines that the tilting angle of the dust throwing box 4 with respect to the dust housing box 3 detected based on the signal from the dust throwing box rotation angle sensor 14 is the initial position where the set tilt position of the dust throwing box 4 From "0 degree" until the first tilt angle "A degree" is reached, the garbage throwing box 4 is tilted at a lower speed than the "hopper opening standard speed". Then, when the tilting angle of the dust throwing box 4 reaches the first tilting angle "A degree", the control device PLC temporarily stops the supply of hydraulic oil to the tilting cylinder 5, so that the dust throwing box 4 is temporarily stopped at the first tilt angle "A degree". It should be noted that the pause time is a time set in advance in the control device PLC. The same applies to the pause time, which will be described later. After that, the control device PLC tilts the dust throwing box 4 again, and until the tilting angle of the dust throwing box 4 reaches the second tilting angle "B degrees", the dust throwing box 4 is "hopper open standard speed" to tilt. Next, when the tilting angle of the dust throwing box 4 reaches the second tilting angle "B degrees", the control device PLC temporarily stops the supply of hydraulic oil to the tilting cylinder 5, so that the dust throwing box 4 is paused at the second tilt angle "B degrees". After that, the control device PLC tilts the dust-throwing box 4 again, and until the tilting angle of the dust-throwing-in box 4 reaches the maximum tilting angle "C degrees", the dust-throwing box 4 is moved from the "hopper opening standard speed". Tilt at low speed. Then, the control device PLC stops the extension of the tilting cylinder 5 via the control valve unit 31 when the tilting angle of the dust throwing box 4 reaches the maximum tilting angle "C degrees" of the dust throwing box 4. , to stop the trash throw-in box 4 at the fully open position.

In step S10 described above, the control device PLC executes the hopper closing operation in the regulation release mode. In this case, the control device PLC retracts the tilting cylinder 5 via the control valve unit 31, thereby tilting the garbage throwing box 4 from the maximum tilting angle toward the initial position at the "hopper closing standard speed". Then, the control device PLC determines that the tilting angle of the dust throwing box 4 with respect to the dust housing box 3 detected based on the signal from the dust throwing box rotation angle sensor 14 is the initial position of the dust throwing box 4 "0 degrees" ( 7 (a)), by stopping the contraction of the tilting cylinder 5 via the control valve unit 31, the dust throwing box 4 is stopped at the initial position (fully closed position). In this deregulation mode, the control device PLC tilts the garbage throwing box 4 at the "hopper closed standard speed" over the entire area regardless of the tilting angle of the refuse throwing box 4 with respect to the dust containing box 3.

In step S9 described above, the control device PLC executes the hopper closing operation in the regulation mode. In this case, the control device PLC tilts the dust throwing box 4 from the maximum tilting angle toward the initial position by contracting the tilting cylinder 5 via the control valve unit 31 . However, the control device PLC detects that the tilt angle of the dust throwing box 4 with respect to the dust storing box 3 detected based on the signal from the dust throwing box rotation angle sensor 14 is the first tilt angle from the maximum tilt angle "C degree" Tilting the garbage throwing box 4 at the "hopper closing standard speed" until reaching "A degree". Then, when the tilting angle of the dust throwing box 4 reaches the first tilting angle "A degree", the control device PLC temporarily stops the supply of hydraulic oil to the tilting cylinder 5, so that the dust throwing box 4 is temporarily stopped at the first tilt angle "A degree". After that, the control device PLC tilts the dust throwing box 4 again, and moves the dust throwing box 4 at a lower speed than the "hopper closing standard speed" until the tilt angle of the dust throwing box 4 reaches the initial position "0 degrees". to tilt. Then, when the tilt angle of the dust throwing box 4 reaches the initial position "0 degrees" of the dust throwing box 4, the control device PLC stops the contraction of the tilting cylinder 5 via the control valve unit 31. Stop the garbage throwing box 4 at the initial position (fully closed position).

In step S17 described above, the control device PLC executes the dump raising operation in the regulation release mode. In this case, the control device PLC extends the dump cylinder 7 via the control valve unit 31, so that the dust storage box 3 is moved from the initial position to the full dump state, which is the maximum tilt angle. Tilt at standard speed. Then, the control device PLC determines that the tilt angle of the dust storage box 3 with respect to the sub-frame 2a detected based on the signal from the dust storage box rotation angle sensor 15 is the maximum tilt angle "F degree" of the dust storage box 3 ( 7(b)), by stopping the extension of the dump cylinder 7 via the control valve unit 31, the dust storage box 3 is stopped in a full dump state. In this deregulation mode, the control device PLC tilts the dust storage box 3 at the "dump raising standard speed" over the entire area regardless of the tilt angle of the dust storage box 3 with respect to the subframe 2a.

At step S16 described above, the control device PLC executes the dump raising operation in the regulation mode. In this case, the control device PLC tilts the dust container 3 from the initial position toward the maximum tilt angle by extending the dump cylinder 7 via the control valve unit 31 . However, the control device PLC determines that the tilt angle of the dust storage box 3 with respect to the subframe 2a detected based on the signal from the dust storage box rotation angle sensor 15 is the first from the initial position of the dust storage box 3 "0 degrees". The garbage storage box 3 is tilted at a lower speed than the "dump raising standard speed" until reaching one tilting angle "D degree". Then, when the tilt angle of the dust storage box 3 reaches the first tilt angle "D degrees", the control device PLC temporarily stops the supply of hydraulic oil to the dump cylinder 7, so that the dust storage box 3 is paused at the first tilt angle "D degrees". After that, the control device PLC tilts the garbage storage box 3 again after a predetermined time (for example, 1 second to 3 seconds) has elapsed from the temporary stop, or by inputting the raising operation with the dump switch SW8, and the garbage storage box 3 Until the tilting angle reaches the second tilting angle "E degree", the garbage storage box 3 is tilted at the "dump raising open standard speed". Next, when the tilt angle of the dust storage box 3 reaches the second tilt angle "E degree", the control device PLC temporarily stops the supply of hydraulic oil to the dump cylinder 7, so that the dust storage box 3 is paused at the second tilt angle "E degrees". After that, the control device PLC tilts the garbage storage box 3 again after a predetermined time (for example, 1 second to 3 seconds) has elapsed from the temporary stop, or by inputting the raising operation with the dump switch SW8, and the garbage storage box 3 Until the tilting angle reaches the maximum tilting angle "F degree", the garbage storage box 3 is tilted at a lower speed than the "dump raising standard speed". Then, when the tilt angle of the dust storage box 3 reaches the maximum tilt angle "F degree" of the dust storage box 3, the control device PLC stops the extension of the dump cylinder 7 via the control valve unit 31. , the garbage storage box 3 is stopped in a full dump state.

In step S20 described above, the control device PLC executes the damping lowering operation in the regulation release mode. In this case, the control device PLC tilts the dust container 3 from the maximum tilt angle toward the initial position at the "dump lowering standard speed" by contracting the dump cylinder 7 via the control valve unit 31. Then, the control device PLC determines that the tilt angle of the dust storage box 3 with respect to the subframe 2a detected based on the signal from the dust storage box rotation angle sensor 15 is the initial position of the dust storage box 3 "0 degrees" (Fig. 7 (b)), by stopping the contraction of the dump cylinder 7 via the control valve unit 31, the garbage container 3 is stopped at the initial position. In this deregulation mode, the control device PLC tilts the dust storage box 3 at the "dump lowering standard speed" over the entire area regardless of the tilt angle of the dust storage box 3 with respect to the subframe 2a.

At step S19 described above, the control device PLC executes the damping lowering operation in the regulation mode. In this case, the control device PLC tilts the dust container 3 from the maximum tilt angle toward the initial position by contracting the dump cylinder 7 via the control valve unit 31 . However, the controller PLC determines that the tilt angle of the dust container 3 with respect to the subframe 2a detected based on the signal from the dust container rotation angle sensor 15 is changed from the maximum tilt angle "F degree" to the first tilt angle " Tilting the garbage storage box 3 at the "dump lowering standard speed" until reaching "D degree". Then, when the tilt angle of the dust storage box 3 reaches the first tilt angle "D degrees", the control device PLC temporarily stops the supply of hydraulic oil to the dump cylinder 7, so that the dust storage box 3 is paused at the first tilt angle "D degrees". After that, the control device PLC tilts the garbage storage box 3 again after a predetermined time (for example, 1 second to 3 seconds) has elapsed from the temporary stop, or by inputting a lowering operation with the dump switch SW8, and the garbage storage box 3 Until the tilting angle reaches the initial position "0 degrees", the garbage storage box 3 is tilted at a lower speed than the "dump lowering speed". Then, the control device PLC stops the contraction of the dump cylinder 7 via the control valve unit 31 when the tilt angle of the dust storage box 3 reaches the initial position "0 degrees" of the dust storage box 3. The garbage storage box 3 is stopped at the initial position.

<Other Embodiment 1>
In the above-described embodiment, the control device PLC, when tilting the trash throwing box 4 upward, the first tilting angle "A degree" and the second tilting angle "B degree" temporarily stop the dust throwing box 4 However, it may be tilted without pausing at the first tilt angle "A degrees" and the second tilt angle "B degrees". That is, until the garbage throwing box 4 reaches the first tilting angle "A degrees" from the initial position "0 degrees", the garbage throwing box 4 is tilted at a lower speed than the "hopper opening standard speed", and the dust throwing box 4 When passes through the first tilting angle "A degree", the dust throwing box 4 reaches the second tilting angle "B degree" from the first tilting angle "A degree" without temporarily stopping the dust throwing box 4 Until then, tilt the garbage input box 4 at the "hopper opening standard speed". After that, when the garbage throwing box 4 passes through the second tilting angle "B degrees", the garbage throwing box 4 is moved from the second tilting angle "B degrees" to the maximum tilting angle " You may tilt the garbage throwing box 4 at a lower speed than the "hopper opening standard speed" until reaching "C degree".

In the above-described embodiment, the control device PLC, when tilting the dust throwing box 4 downward, temporarily stopped the dust throwing box 4 at the first tilt angle "A degree", but the first tilt angle "A degree ” may be tilted without pausing. That is, until the garbage throwing box 4 reaches the first tilting angle "A degrees" from the maximum tilting angle "C degree", the dust throwing box 4 is tilted at the "hopper opening standard speed", and the dust throwing box 4 When passing the first tilting angle "A degree", the dust throwing box 4 is not temporarily stopped, and the dust throwing box 4 reaches the initial position "0 degree" from the first tilting angle "A degree" During this period, the garbage throwing box 4 may be tilted at a lower speed than the "hopper opening standard speed".

In the above-described embodiment, the control device PLC, when tilting the trash storage box 3 upward, temporarily stopped the trash storage box 3 at the first tilt angle "D degree" and the second tilt angle "E degree" However, it may be tilted without pausing at the first tilt angle "D degrees" and the second tilt angle "E degrees". That is, until the dust storage box 3 reaches the first tilt angle "D degree" from the initial position "0 degrees", the dust storage box 3 is tilted at a lower speed than the "dump raising standard speed", and the dust storage box 3 When passes through the first tilt angle "D degrees", the trash storage box 3 reaches the second tilt angle "E degrees" from the first tilt angle "D degrees" without temporarily stopping the trash storage box 3 Until then, the garbage storage box 3 is tilted at the "dump raising standard speed". After that, when the dust storage box 3 passes the second tilt angle "E degree", the dust storage box 3 is moved from the second tilt angle "E degree" to the maximum tilt angle " You may tilt the garbage throwing box 4 at a lower speed than the "dump raising standard speed" until reaching "F degree".

In the above-described embodiment, the control device PLC temporarily stops the dust storage box 3 at the first tilt angle "D degrees" when tilting the dust storage box 3 downward. ” may be tilted without pausing. That is, until the dust storage box 3 reaches the first tilt angle "D degree" from the maximum tilt angle "F degree", the dust storage box 3 is tilted at the "dump lowering standard speed", and the dust storage box 3 When passing through the first tilt angle "D degrees", the dust storage box 3 reaches the initial position "0 degrees" from the first tilt angle "D degrees" without temporarily stopping the trash storage box 3 During this period, the garbage storage box 3 may be tilted at a lower speed than the "dump lowering standard speed".

<Other Embodiment 2>
In the above-described embodiment, the control device PLC temporarily stops the dust throwing box 4 at the second tilting angle "B degrees" when tilting the dust throwing box 4 upward, but the second tilting angle "B degrees ”, the dust throwing box 4 may be completely stopped, and the tilting of the dust throwing box 4 exceeding the second tilt angle “B degrees” may be restricted. In other words, the control device PLC completely stops the garbage throwing box 4 at the second tilt angle "B degrees", and the dump switch SW8 continues to be switched to the upper side. do not have.

In the above-described embodiment, the control device PLC temporarily stops the trash storage box 3 at the second tilt angle "E degrees" when tilting the trash storage box 3 upward. ”, the dust storage box 3 may be completely stopped, and the tilting of the dust storage box 3 exceeding the second tilt angle “E degree” may be restricted. In other words, the control device PLC completely stops the garbage storage box 3 at the second tilting angle "E degree", and the hopper opening/closing switch SW7 continues to be switched to the upper side. Not performed.

<Other Embodiment 3>
In the above-described embodiment, the control device PLC, when tilting the dust throwing box 4 upward, before and after the first tilt angle "A degrees" and before and after the second tilt angle "B degrees" of the dust throwing box 4 Although the tilting speed was changed, the tilting speed of the garbage throwing box 4 before and after the first tilting angle "A degree" and before and after the second tilting angle "B degree" were both the same speed (for example, the same hopper opening standard speed), and may be temporarily stopped when the first tilt angle "A degrees" and the second tilt angle "B degrees" are reached.

In the above-described embodiment, the control device PLC changes the tilting speed of the dust throwing box 4 around the first tilt angle "A degree" when tilting the dust throwing box 4 downward, but the first tilting Set the tilting speed of the garbage throwing box 4 before and after the angle "A degree" to the same speed (for example, the same hopper closing standard speed), and pause when the first tilt angle "A degree" is reached. can be

In the above-described embodiment, the control device PLC, when tilting the trash storage box 3 upward, before and after the first tilt angle "D degree" and before and after the second tilt angle "E degree" of the dust storage box 3 Although the tilting speed was changed, the tilting speed of the dust storage box 3 before and after the first tilt angle "E degree" and before and after the second tilt angle "E degree" were both the same speed (for example, the same dumping up standard speed), and may be temporarily stopped when the first tilt angle "D degrees" and the second tilt angle "E degrees" are reached.

In the above-described embodiment, the control device PLC changes the tilting speed of the dust storage box 3 before and after the first tilt angle "D degree" when tilting the dust storage box 3 downward, but the first tilt The tilting speed of the dust storage box 3 before and after the angle "D degree" may be the same speed (for example, the same dump lowering standard speed).

<Other Embodiment 4>
In the above-described embodiment, a set tilt angle information correcting means for correcting the set tilt angle information of the trash throwing box 4 and the trash storage box 3 stored in the set tilt angle storage unit 27 may be provided. For example, a corrective operation switch that can be operated by an operator is added to the rear operation unit 11 and connected so that a signal from the corrective operation switch is input to the control device PLC. Then, according to the correction signal input from the correction operation switch, the control device PLC sets the set tilt angles of the garbage input box 4 and the garbage storage box 3 (above A degrees, B degrees, C degrees, D degrees, E degrees, F degrees), and the tilt angles after the addition or subtraction are applied as the "first tilt angle", "second tilt angle", and "maximum tilt angle", and the dust discharge operation is performed. It is also possible to As for the correction operation switch, only one common switch may be provided for the "first tilt angle", the "second tilt angle", and the "maximum tilt angle". ' and 'maximum tilt angle'. As the correction operation switch, for example, a switch capable of steplessly changing a signal to be input to the control device PLC, such as a variable resistance switch, can be used.

<Other Embodiment 5>
In the above-described embodiment, the control device PLC, when tilting the dust throwing box 4 upward, before and after the first tilt angle "A degrees" and before and after the second tilt angle "B degrees" of the dust throwing box 4 The tilting speed was changed, but before and after the first tilting angle "A degree", the tilting speed of the garbage throwing box 4 was changed from a lower speed than the hopper open standard speed to the hopper open standard speed, and the second tilt angle "B The tilting speed of the dust throwing box 4 before and after the "degree" may be the same speed.

In the above-described embodiment, the control device PLC, when tilting the trash storage box 3 upward, before and after the first tilt angle "D degree" and before and after the second tilt angle "E degree" of the dust storage box 3 The tilting speed was changed, but before and after the first tilting angle "E degree", the tilting speed of the dust storage box 3 was changed from a lower speed than the dumping up standard speed to the dumping up standard speed, and the second tilting angle "E The tilting speed of the dust storage box 3 before and after the "degree" may be the same speed.

<Effects of garbage collection vehicles according to the above-described embodiment and other embodiments 1 to 3>
According to the garbage truck 1 according to the embodiment described above, the following effects are achieved.

When the dust throwing box 4 opens and closes, the dust throwing box 4 tilts relatively slowly in the range from the fully closed state (initial position) to a predetermined tilting angle (first tilting angle), so the dust throwing box Immediately after 4 starts the opening operation, it is possible to increase the safety for the operator just before the garbage throwing box 4 is fully closed.

When the dust throwing box 4 opens and closes, the dust throwing box 4 is temporarily stopped at a predetermined tilt angle (first tilt angle), so immediately after the dust throwing box 4 starts the opening operation, the dust throwing box 4 It is possible to enhance safety for workers immediately before fully closing.

When the dust throwing box 4 opens, the tilting speed of the dust throwing box 4 becomes relatively slow in the range from the predetermined tilting angle (second tilting angle) to the maximum tilting angle, so when the dust throwing box 4 is fully opened It can mitigate the impact that occurs. In addition, even if it comes into contact with the equipment above it just before the garbage throwing box 4 is fully opened, the impact at the time of contact can be alleviated.

When the trash box 4 is opened, the trash box 4 is temporarily stopped at a predetermined tilting angle (second tilting angle), so the impact generated when the trash box 4 is fully opened can be mitigated. In addition, even if it comes into contact with the equipment above it just before the garbage throwing box 4 is fully opened, the impact at the time of contact can be alleviated.

When the dust throwing box 4 opens, the dust throwing box 4 stops at a predetermined tilting angle (second tilting angle) and further tilting is regulated, so just before the dust throwing box 4 is fully opened It is possible to prevent contact with equipment, etc.

When the dust storage box 3 tilts up and down, the dust storage box 3 tilts relatively slowly in the range from the initial position to the predetermined tilt angle (first tilt angle), so the dust storage box 3 moves upward. It is possible to enhance the safety for the operator immediately after starting the tilting and immediately before the dust storage box 3 returns to the initial position.

When the dust storage box 3 tilts up and down, the dust storage box 3 is temporarily stopped at a predetermined tilt angle (first tilt angle), so immediately after the dust storage box 3 starts tilting upward, the dust storage box The safety for the operator can be enhanced just before 3 returns to the initial position.

When the dust storage box 3 tilts upward, the dust storage box 3 tilts relatively slowly in the range from the predetermined tilt angle (second tilt angle) to the maximum tilt angle, so the dust storage box 3 You can mitigate the impact that occurs when you enter the full dump state. In addition, just before the garbage storage box 3 becomes a full dump state, even if it comes into contact with equipment etc. located above it, the impact at the time of contact can be alleviated. In addition, the dumping operation of the garbage storage box 3 is performed with the garbage input box 4 fully open, and the center of gravity of the garbage collection vehicle moves backward. Although it becomes easy to float and tilt backward, such a phenomenon is mitigated because the tilting speed is relatively slow in the range from the predetermined tilting angle (second tilting angle) to the maximum tilting angle.

When the dust storage box 3 tilts upward, the dust storage box 3 is temporarily stopped at a predetermined tilt angle (second tilt angle), so the impact generated when the dust storage box 3 is in a full dump state can be alleviated. . In addition, just before the garbage storage box 3 becomes a full dump state, even if it comes into contact with equipment etc. located above it, the impact at the time of contact can be alleviated. In addition, the dumping operation of the garbage storage box 3 is performed in the fully open state of the garbage input box 4, and depending on the garbage discharge situation, the center of gravity of the garbage collection vehicle is greatly biased backward, so the garbage collection vehicle moves backward. Although it becomes easier to tilt, according to the above-described embodiment, the garbage container is temporarily stopped at a predetermined tilt angle (second tilt angle), so the garbage truck 1 is less likely to tilt backward even in the above situation.

When the dust storage box 3 tilts upward, the dust storage box 3 stops at a predetermined tilt angle (second tilt angle), and further tilting is regulated, so the dust storage box 3 is in a full dump state. It is possible to prevent contact with equipment or the like above it just before it becomes.

By providing the above position information correction means, the operator can finely adjust the position where the garbage storage box 3 and the garbage throwing box 4 are temporarily stopped during tilting, the position where rotation is restricted, and the position where the tilting speed is changed. Become.

In order to detect the tilting position of the dust storage box 3 and the dust throwing box 4, since a rotation angle sensor that can detect any tilting angle is used, the set tilting position of the dust storing box 3 and the dust throwing box 4 is to be changed, the registration of the set tilt position shown in FIG. 7 stored in the set tilt angle storage unit 27 of the control device PLC may be changed. Therefore, there is no need to change the mounting position of the rotation angle sensor or add more rotation angle sensors. In addition, the set tilt position can be easily increased or decreased, and a plurality of tilt positions that are close to each other can be registered as the set tilt position without any problem.

The present invention can be applied to garbage trucks.

PLC control device 100 packing box 1 garbage collection vehicle 3 garbage storage box 4 garbage input box 5 tilting cylinder 7 dump cylinder 12 front operation part 14 rotation angle sensor for garbage input box 15 rotation angle sensor for garbage storage box 16 hopper regulation switch ( selection part)
17 dump regulation switch (selection part)
27 Set tilt angle storage unit 31 Control valve unit

Claims (7)

a packing box that can be tilted up to a predetermined maximum tilting angle from an initial position that is arranged when the vehicle is traveling;
a rotation angle sensor that detects an arbitrary tilt angle of the packing box;
a selection unit for receiving a selection of enable/disable of a specific tilting motion function of the packing box;
a control device for controlling the tilting operation of the packing box based on the tilting angle of the packing box detected by the rotation angle sensor and the selection state of the specific tilting action function received by the selection unit;
A garbage truck comprising
The control device is
a set tilt angle storage unit that stores the initial position of the packing box, the maximum tilt angle, and a set tilt angle between the initial position and the maximum tilt angle;
When the selected state of the specific tilting operation function is valid, when tilting the packing box between the initial position and the maximum tilting angle, changing the tilting speed of the packing box at the set tilting angle;
A garbage truck characterized by: A garbage truck according to claim 1,
When the selected state of the specific tilting operation function is valid, the control device tilts the packing box toward the maximum tilting angle when the packing box reaches the set tilting angle. A refuse collection vehicle characterized in that the tilting of the packing box is stopped and the tilting of the packing box exceeding the set tilt angle is regulated. A garbage truck according to claim 1,
When the selected state of the specific tilting operation function is valid, the control device tilts the packing box in one direction or the other direction when the packing box reaches the set tilting angle. and (2) temporarily stopping the tilting of the packing box, and tilting the packing box in the same direction again after a predetermined time has elapsed or based on a switch operation input. A garbage truck according to claim 1,
When the selected state of the specific tilting operation function is valid, the control device, when tilting the packing box in one direction or the other direction, controls the tilting of the packing box before the packing box reaches the set tilting angle. A refuse collection vehicle characterized in that the tilting speed after the packing box reaches the set tilting angle is made slower than the speed. A garbage truck according to claim 1,
When the selected state of the specific tilting operation function is valid, the control device, when tilting the packing box in one direction or the other direction, when the packing box reaches the set tilting angle, A garbage truck characterized in that the tilting of the packing box is temporarily stopped, and then the packing box is again tilted in the same direction at a lower speed than the tilting speed before reaching the set tilting angle. A garbage truck according to claim 1,
The set tilt angle storage unit stores a plurality of set tilt angles between the initial position and the maximum tilt angle,
When the selection state of the specific tilting operation function is valid, the control device controls the tilting angle of the packing box to one of the plurality of set tilt angles when tilting the packing box in one direction or the other direction. The tilting speed after the packing box reaches the set tilting angle is made higher than the tilting speed before reaching the set tilting angle of , and then the packing box is tilted in the same direction. Tilting in the same direction by making the tilting speed after the packing box reaches another set tilt angle lower than the tilt speed before reaching the other set tilt angle among the set tilt angles. Characteristic garbage truck. The garbage truck according to any one of claims 1 to 6,
A garbage truck characterized in that the packing box is a garbage input box or a garbage storage box.

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