JPS60209403A - Garbage wagon - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention The present invention compresses and crushes the garbage thrown into a garbage input box (hereinafter referred to as the input box), pushes it into the garbage storage box (hereinafter referred to as the storage box), and also compresses and crushes the garbage thrown into the garbage input box (hereinafter referred to as the input box). The present invention relates to a garbage collection vehicle that discharges the garbage inside the storage box to the outside of the storage box by driving a discharge plate inside the storage box with a cylinder.

The applicant of this application previously developed a link base above the garbage input port of the input box, which is connected to the rear opening of the storage box, as a mechanism for compressing and crushing the garbage thrown into the input box and pushing it into the storage box. The end of the link is pivotally supported, the tip of the link is pivotally supported above the paraka plate, the base end of the press plate is rotatably connected to the lower end of the paraka plate, and a lift is pivotally supported in the center of the press plate. The base end of the press cylinder is rotatably connected to the connecting shaft of the link with the Paraka plate, and the lift of the Puffka cylinder, whose base end is pivotally supported below the input box, is connected to the Pafuka plate and the above. We are proposing something that is connected to a link shaft.

By the way, this garbage loading device compresses and crushes the garbage with a press plate as the press cylinder operates, and also attaches the base end of the press cylinder to a link to increase the rotation angle of the press plate when pushing it into the storage box. Therefore, the amount of garbage that can be accommodated can be greatly increased, and it is highly effective.

On the other hand, when discharging the garbage in the storage box that has been pushed in, first the lock of the input box provided in the rear opening of the storage box that can be opened and closed is released, and then the input box is rotated and raised. Then, by moving the discharge plate inside the storage box rearward, the garbage is discharged out of the storage box. After this dust discharge operation is completed, it is necessary to return the discharge plate to a predetermined position and lower the raised input box.

Conventionally, to do this, it was necessary to operate a manual switch to return the discharge plate to the specified position and a manual switch to lower the input box, which made the operation cumbersome and made it difficult to operate the manual switch after discharging the garbage. The drawback was poor work efficiency.

The present invention has been made in order to eliminate the drawbacks of the conventional ones as described above, and its purpose is to provide a garbage collection vehicle that is easy to operate after discharging garbage and improves work efficiency. There is a particular thing.

Embodiments of the apparatus according to the present invention will be described below based on the drawings, in which the same members are designated by the same reference numerals.

FIG. 1 shows a garbage collection vehicle according to the present invention, in which garbage collection vehicle A
A storage box 1 is mounted on a vehicle chassis a.

A charging box 2 is connected to the rear opening of the storage box 1,
Inside the input box 2, a mechanical part of the garbage loading device as shown in FIGS. 2 to 5 is housed.

In the figure, the input box 2 is tiltably connected to the rear of the storage box 1 by a pin 3, and is normally held in the illustrated state by an automatic locking device 54 so as to communicate with the rear opening 1a of the storage box 1. has been done.

Further, the input box 2 has a bottom portion 2b with a garbage input port 2a provided at the rear and continuous arcuate surfaces 2b+ and 2b2.
A mechanical part of a garbage loading device that is pushed into the storage box 2 is housed.

Further, in FIG. 2, reference numeral 5 denotes a press plate having a width that contacts the inner surfaces of both side walls of the input box 2, and a bunker plate 6 having a flat plate shape at the upper end of the plate 5 and having the same interior as the press plate 5 has a lower end. They are rotatably connected to each other by a shaft 7.

Facing each other, the upper and lower ends of the bunker plate 6 are connected to a pair of first links 8 and 2 links whose base ends are pivotally supported on the inner surfaces of both side walls of the input box 2 above the input opening 2a and spaced apart from each other vertically. 2. The tip of the link 9 is rotatably connected to the shaft 10° 11, and the shaft 10 has a Pasoka cylinder 13 whose base end is rotatably supported on a shaft 12 provided below the input box 2. The ends of the rods 13a are rotatably connected.

Further, the base end of a press cylinder 15 is swingably connected to a shaft 14 provided in the first link 8 through a displacement l with a connecting shaft 10 with the bunker plate 6, and the tip of a rod 15a of the cylinder 15 is is rotatably connected to a shaft 16 provided at the center of the press plate 5.

17 is a guide rail for a roller (not shown) provided on the connecting shaft 7 between the press plate 5 and the bunker plate 6, and 18 is a shielding plate that shields the upper part of the opening 1a of the storage box 1.

Thus, a first plate connecting the top and bottom of the bunker plate 6,
The base end shaft fulcrum of each of the second links 8 and 9 is set so that the front surface of the bunker plate 6 can move while maintaining a constant gap from the lower end of the shielding plate 18.

Next, the operation process of the mechanical part of the garbage loading device will be explained with reference to FIGS. 2 to 5.

In the first step of inputting garbage into the input box 2 from the input port 2a, the rod 15a of the press cylinder 15 and the rod 13a of the punker cylinder 130 are both in the fully extended state as shown in FIG. 3, as shown in FIG. Press cylinder 15
The rod 15a of the pasoka cylinder 13 is in the most contracted state, and the rond 13a of the Pasoka cylinder 13 is in the most extended state.At the end of this stroke, the press plate 5 is held in a substantially horizontal state, and the puncher plate 6 is in the highest position. is maintained.

Next, in the second step for compressing and crushing the input garbage, as shown in FIGS. 3 and 4, the bunker cylinder 1
3 to retract the rod 13a, the puncher plate 6 descends along the guide rail 17 due to the counterclockwise rotation of the first and second links 8 and 9, and the press plate 5 also approximately It descends in a horizontal state and compresses and crushes the garbage by enveloping it between it and the bottom 2b of the input box 2. At this time, when the bunker cylinder 130 and the rod 13a are in a semi-reduced state, the press cylinder 15 is activated and the rod 15a is slightly elongated.

Next, in the third step for further compressing and crushing the garbage in the input box 2, as shown in FIGS. It rotates clockwise around the connecting shaft 7 with the plate 6.

Therefore, the leading edge of the press plate 5 rotates while slidingly contacting the bottom arcuate surface 2b+ of the input box 2, compressing and crushing the garbage between the press plate 5 and the arcuate surface 2b2.

In the subsequent fourth stroke, the rod 15a of the press cylinder 15
After reaching the maximum extension state, the bunker cylinder 13 is actuated to extend the rod 13a, and the bunker plate 6 is moved to the first,
The clockwise rotation of each of the second links 8 and 9 causes them to rise along the guide rail 17.

Therefore, the tip edge of the press plate 5 rises while slidingly contacting the bottom arcuate surface 2b2 of the input box 2, and scrapes up the compressed and crushed garbage toward the opening 1a. At the end of the fourth stroke, the rod 13a of the bunker cylinder 13 is at its maximum extension as shown in FIG.
This pushes the garbage into the storage box 1 and closes the opening 1a.

Then, the collection vehicle travels in this state, and at the next collection location, the press cylinder 15 is operated to make the rod 15a in the most contracted state, the press plate 5 is raised to a substantially horizontal state, and the garbage is collected again through each of the above steps. It is used to load.

Returning to FIG. 1 again, when discharging garbage from the storage box 1 that is filled with garbage loaded by the mechanical part of the garbage loading device stored in the input box 2, first the input box is 2 is tilted upward about the shaft 3. For this purpose, a rod 51a of a lift cylinder 51 whose base end is rotatably supported on the storage box I is rotatably connected to the input box 2. Further, in order to discharge the garbage in the storage box 1 while the input box 2 is raised, a discharge plate 53 driven by a discharge cylinder 52 is housed in the storage box 1.

Note that before the input box 2 is raised as described above, the input box 2 and the storage box 1 are kept completely tightened in the illustrated state by an automatic locking device 54 driven by a cylinder 73 (described later). Therefore, it is necessary to release the tightening by this automatic locking device 54 in order to ascend the above-mentioned state.

On the other hand, a power take-off (PTo) switching handle 55 and a switch panel 56 are provided in the driver's cab. The switch panel 56 includes a power switch, an input box operation switch, an ejection plate operation switch, an individual operation switch, and the like. And, on the left side of input box 2, there is a "loading"
A loading operation panel 57 having a push button, a "stop" push button and a "buzzer" push button is installed on the right side (not visible in Figure 1), an operation panel consisting of an "emergency stop" push button is installed. ing.

FIG. 6 shows the hydraulic circuit of the garbage collection vehicle according to the present invention, and in the figure, 61 is the engine of the garbage collection vehicle A (FIG. 1);
62 is a PT connected and disconnected by the PTO switching handle 55
O device, 63 is gear pump, 64 is oil tank, 65
66a and 66b are in-line check valves, 67a and 67b are pilot operator check valves, and 68a and 68b are tightened check pulps. V-1 to v-7 are solenoid valves, 7
1a*7tb is a relief valve, 72 is a return filter, and 73 is a tightening cylinder that operates the automatic locking device 54. The hydraulic pressure generated by the operation of the gear pump 63 is applied to the cylinders 13 and 1 by switching the solenoids of the solenoid valves V-1 to V-7, respectively.
5, 51, 52, and 73 to operate these cylinders.

In addition, solenoid valve V-1 is solenoid 5OL-4.
and 5QL-5, and solenoids 5OL-4 and 5Q
By energizing L-5, hydraulic pressure is supplied to the Paraca cylinder 13 to extend and contract the rod 13a, respectively. Solenoid valve V-2 is solenoid 5QL-2 and 5QL
-3, and by energizing the solenoids 5QL-2 and 5QL-3, hydraulic pressure is supplied to the press cylinder 15 to contract and expand the rod 15a, respectively. The solenoid valve V-3 has solenoids 5QL-9 and 5OL-10, and the discharge cylinder 5 is activated by energizing the discharge plate discharge solenoid SOL-9 and the discharge plate return solenoid 5QL-10.
2 to extend and contract the rods respectively. Solenoid valve V-4 is '/l//id 5QL
-7 and 5QL-8, and when the solenoids 5QL-7 and 5QL-8 are energized, hydraulic pressure is supplied to the lift cylinder 51 to extend and contract the rods, respectively. Solenoid valve V-5 is long tightening open solenoid 5QL-1
1, and before energizing the solenoid 5QL-11, the rod of the lock cylinder 73 is contracted and the automatic locking device 54 is tightened to maintain the state.
1, the rod of the lock cylinder 54a is extended and released.

The solenoid valve V-6 has a solenoid 5QL-6, and when the solenoid 5QL-6 is energized, part of the hydraulic pressure being supplied to the Paraca cylinder 13 is supplied to the press cylinder 15 to extend its rod 15a. Solenoid V-
7 has solenoids 5QL-12 and 5QL-13,
By energizing the solenoid 5QL-12, hydraulic pressure supplied through the solenoid valve V-3 is supplied to the discharge cylinder 52 to extend its rod. On the other hand, solenoid 5Q
The relief valve 7 is switched by the energization of L-13 to reduce the hydraulic pressure inside the cylinder 52, which increases due to the force applied to the rod of the discharge cylinder 52 from the outside to reduce the rod.
It works to release it through 1b.

FIG. 7 shows an electric circuit of the garbage collection vehicle according to the present invention, and LS-1 to LS-13 in the figure are microswitches provided at various locations in the garbage collection vehicle A. Micro switch LS-
1. LS-2 As shown in FIGS. 8 and 9, the ASLS-2B is attached to the Pasoka plate 6 and can be switched by an operating lever 82 linked to the press plate 5 by a link 81. The microswitch LS-1 is used to detect the contraction of the rod 15a of the press cylinder 15 when loading garbage and when raising the input box, and the microswitches LS-2A and LS-2B are used to detect the contraction of the rod 15a of the press cylinder 15 when loading garbage. used to detect the elongation of

The micro switches LS-3 to LS-5 are installed on the left side of the input box 2, and are configured to be switched by an operating cam 83 that rotates in conjunction with the second link 9 supporting the bathoka plate 6. The switch LS-5 switches the rod 13alii of the Paraca cylinder 13 when loading garbage.
In order to detect the load, the microswitch LS-4 closes the rod 1 of the Paraca cylinder 13 when loading garbage and raising the loading box.
3a to detect the elongation, and microswitch LS
-3 is the rod 13a of the Paraca cylinder 13 when loading garbage.
are used to detect the beginning of elongation.

The microswitch LS-7 is provided in the storage box 1, and one contact is turned on and the other is turned off at a predetermined return position of the discharge plate 53 when the input box 2 is lowered and raised. Micro switch LS-10, LS-10B, LS-1
1 is attached to the hinge part of storage box 1 and input box 2, and LS-
10. When the discharge plate 53 is activated, the LS-10B is turned on when the input box 2 is at a rising angle of 45° to confirm the angle.
-11 is an automatic locking device 5 that turns off when the input box 2 is lowered.
Used to confirm the tightening of 4.

Micro switch LS-13 is PTO switching handle 55
This is for turning on the power to the PTO device 62 for entertainment purposes.

PB-1 to PB-4 are push button switches, and these are "
They are operated by push buttons for "emergency stop", "stop", "loading" and "buzzer", respectively.

5W-1 to 5W-4 are three-position toggle switches, which respectively correspond to the power switch, input box operation, discharge plate operation, and single operation switches on the switch panel 56 in the driver's cab. Note that the other switches except switch SW-1 are switched only when manual operation force is applied, and return to the neutral position when the hand is released.

CR-1 to CR-13 are control relays, and the normally open and normally closed contacts of these relays are designated by the same code. T-1 to T-6 are timers, which turn on the contacts indicated by the same symbols when a preset time has elapsed for each timer after activation by energization, and maintain that state until the energization is removed.

5QL-1-3QL-13 are solenoids, solenoid 5QL-1 is for controlling the governor device that keeps the engine rotation at an appropriate constant value, solenoid 5QL
-2, 5QL-3 is for solenoid pulp V-2, solenoid 5QL-4, 5QL-5 is for solenoid valve v-1
Solenoid 5QL-6 is for solenoid valve V-6, solenoid 5QL-7, 5QL-8 is for solenoid valve saw 4, solenoid 5QL-9, 5QL-10 is for solenoid valve v-3, solenoid 5QL-11 is for solenoid valve V-3. For solenoid valve V-5, solenoid 5QL-12,5
QL-13 is for solenoid valve V-7.

Then, by energizing 5QL-2 and 5OL-3, the rod 15a of the press cylinder 15 contracts and expands, and 5QL-2 and 5OL-3 are energized.
By energizing 4 and 5QL-5, the rod 13a of the bunker cylinder 13 contracts and extends, and by energizing 5QL-7 and 5QL-8, the charging box 2 moves up and down, and 5QL-9 and 5
When the QL-10 is energized, the ejection plate 53 is ejected and returned.
By energizing 5QL-11 and 5QL-11, the automatic locking device 54 is tightened and opened. By energizing 5OL-12, the discharge plate 53 can be discharged. By energizing 5QL-13, the discharge plate 53 can be returned automatically. Make it.

Note that D-1 to D23 are diodes that regulate the direction of current flow, F is a fuse, B'Z is a buzzer, and PL is a pilot lamp.

The operation of the garbage collection vehicle according to the present invention having the hydraulic circuit and electric circuit as described above will be explained below with reference to the time charts shown in FIGS. 10 and 11.

Now, the paraca plate 6 and the press plate 5 are in the position shown in FIG.
3a and the rod 15a of the press cylinder 15 are both in the fully extended state. At this time, micro switch LS
-1 to t and 5-13 are in the state shown in FIG.

In such a state, to carry out the loading operation, after turning the PTO switching lever 55 to "on", turn the toggle switch 5W-1, which is the power switch, to the "loading" side, and then press the loading pushbutton PB. When -3 is pressed, the PTO switching lever 55 first changes the microswitch LS-13 from open to close, and relays CR-2 and CR-12 are energized. Further, by switching this switch 5W-1 and operating the push button PB-3, the relay CR-3 is also energized. Then, by energizing relay CR-3, relay CR-5
is energized.

By energizing this relay CR-5, the governor solenoid 5
When QL-1 is energized, the press shrinks lz/a)'5
QL-2 is energized and rod 15a of press cylinder 15
works by shrinking. Note that at this time, timer T-1 is also energized and activated. The contact of timer T-1 turns on approximately 1 second after its activation.

When the rod 15a of the press cylinder 15 is retracted as described above, the microswitch LS-2A, which had been on until then, is turned off, and the microswitch LS-2B, which had been off, is turned on.

Then, due to the contraction of the rod 15a of the press cylinder 15, a reversal operation of the first stroke in which the press plate 5 is moved is performed, and the state as shown in FIG. 3 is finally reached.
In response to this, the microswitch LS-1 changes from open to closed.

By closing this microswitch LS-1, relay C1'll is energized through this switch. The energization of relay CR-1 energizes relay CR-6, and the energization of relay CR-6 energizes relay CR-7 and de-energizes relay CR-5. In addition, by energizing the relay CR-1, the press contraction solenoid 5QL-
When the relay CR-7 is energized, the bunker contraction solenoid 5QL-4 is energized and the rod 13a of the bunker cylinder 13 is retracted.

This retracting action of the rod 13a turns off the microswitch LS-4, which had been on, and correspondingly de-energizes the relay CR-2. This relay CR
-2 is no longer energized, relay CR-6 is no longer energized, and in response, timer T-2 is energized and activated. Timer T-2 starts from the start of the banker cylinder 1.
The contact is turned on about 4 seconds later, which is longer than the contraction time of the rod 13a in No. 3.

When the rod 13a of the bunker cylinder 13 shrinks to about half, the microswitch LS-, which had been off until then, turns off.
5 is turned on, and in response, relay CR-9 is energized and timer T-3 is energized and activated. This relay CR
-9, the press extension solenoid 5QL-3 is energized and the rod 15a of the press cylinder 15 starts to extend.

The contact of the timer T-3 turns on about 3 seconds after activation, which is longer than the extension time of the rod 15a of the press cylinder 15.

In this way, the rod of the bunker cylinder 13 first starts to contract, then the rod 15a of the press cylinder 15 starts to extend, and then the primary compression operation of the second stroke, in which the re-operation progresses at the same time, is finally performed. is in the state shown in FIG. 4, but the rod 15a of the press cylinder 15
The microswitch LS-1 is turned off in response to the start of the stretching operation. When the state shown in FIG. 4 is reached, the microswitch LS-3 is turned on from off.

By turning on this microswitch LS-3, relay C
R-13 is energized, and in response, relay CR'-7 and timer T-2 are de-energized. Then, as relay CR-7 is de-energized, bunker contraction solenoid 5QL-
4 is no longer energized and the rod 13 of the bunker cylinder 13
The contraction operation of a is completed. At this time, relay CR-9 is still
is energized, the press extension solenoid 5QL-3 continues to be energized, and the second compression operation of the third stroke in which the rod 15a of the press cylinder 15 continues to extend is performed, and finally the fifth
It will be in the state shown in the figure.

When the rod 15a of the press cylinder 15 finishes shrinking, the microswitch LS-2A is turned on and the microswitch LS-2B is turned off. When microswitch LS-2 is turned on, relay CR-10 and timer T-4 are energized, and when microswitch LS-2B is turned off, relay CR-12 is de-energized. By energizing this relay CR-10, the press extension solenoid 5QL-3 is de-energized, and instead, the press extension solenoid 5QL-5 and the automatic return solenoid SO
L”13 is energized and the rod 13a of the bunker cylinder 13
begins to stretch.

Due to this elongation of the bunker cylinder 130 rod 13a,
A garbage pushing operation is performed to push the garbage in the input box 2 into the storage box 1, but at this time, force is applied to the rod of the discharge cylinder 52 that drives the discharge plate 53 in the storage box 1, and the rod tries to contract. do. For this reason, the oil pressure in the discharge cylinder 52 increases, but if the oil pressure at this time exceeds the set pressure of the relief valve 71b, the oil in the cylinder 52 will be released from the solenoid valve 71b.
-7, it flows out through the relief valve 71b, which causes the discharge plate 53 to return. This returning operation of the discharge plate 53 is stopped when the oil pressure in the cylinder 52 becomes equal to or lower than the set pressure of the relief valve 71b.

The contact of the timer T-4 turns on approximately 5 seconds after activation by energization, which is longer than the extension time of the rod 13a of the bunker cylinder 13.

In response to the extension of the rod 13a of the bunker cylinder 13, the microswitch LS-3 is turned off, thereby de-energizing the relay CR-13.

After that, the rod 13a of the Paraca cylinder 13 extends.
The pushing operation of the stroke is performed, and finally the state shown in FIG. 2 is reached.

When the rod 13a of the Paraca cylinder 13 is fully extended as shown in FIG. 2, the microswitch LS-4 is turned on, and in response, the relay CR-2 is energized. This energization of relay CR-2 energizes relay CR-5, and in response, energizes timer T-1. Also relay CR-5
Due to the energization, the Pasoca extension solenoid 5QL-5 is de-energized and the extension operation of the rod 13a of the Paraca cylinder 13 is completed, and instead of this, the press contraction solenoid 5OL-2 is energized and the rod 15a of the press cylinder 15 is retracted. Start.

In response to the start of contraction of the rod 15 of the press cylinder 15, the microswitch LS-2A is turned off and the microswitch LS-2B is turned on, and thereafter the first stroke in which the rod 15a of the press cylinder 15 is contracted is performed, and the same process as in the above case is carried out. The next second step,
3rd step...The operation is repeated.

If the "stop" push button is operated to turn off the push button switch PB-2 near the end of the fourth stroke, all relays, timers, and solenoids are de-energized at this point, and the operation of the device is stopped.

Assuming that microswitch LS-2A is on and everything else is off, the state of the microswitch at the time of this operation stop is the same as when the "Load" push button is operated again and push button switch PB-1 is activated. The operation will be explained below.

The operation of switch PB-1 first energizes relay CR-3, and in response, relay CR-5 and timer T-1 are energized. By energizing this relay CR-5 (7), governor solenoid 5QL-1 and press contraction solenoid 5QL-2 are connected.
is energized and the rod 15a of the press cylinder 15 starts to contract. After 0.1 seconds have elapsed, timer T-
Contact No. 1 is turned on, relay CR-4 is energized, and in response, packer extension solenoid 5QL-5 is energized, and the rod 13a of the packer cylinder 13, which has not been fully extended, is extended.

When the rod 15a of the press cylinder 15 is completely retracted during the extension operation of the rod 13a of the Paraca cylinder 13, the micro switch LS-1 is turned on in response to this, and by turning on the micro switch LS-1, the relay CR-1 is turned on.
is energized. Due to the energization of the relay CR-1, the press contraction solenoid 5QL-2 is de-energized and the contraction operation of the rod 15a of the press cylinder 15 is completed.

When the rod 13a of the Paraca cylinder 13 is fully extended, the microswitch LS-4 is turned on, and in response, the relay CR-2 is energized. By energizing relay CR-2, relay CR-4 is de-energized, but relay C
R-6 is energized.

When relay CR-6 is energized, relay CR-7 is energized, but relay CR-5 is de-energized and timer T is energized.
-1 is no longer energized.

In addition, the bunker contraction solenoid 5QL-4 is energized by the energization of the relay CR-7, and in response, the second stroke of extending the rod 13a of the Paraca cylinder 13 starts, and thereafter the 3rd, 4th, 1st, etc. ...and repeat the process.

Now, suppose that the operation of the plate stops due to dust in the middle of the above-mentioned second process, the contact of timer T-2 turns on approximately 4 seconds after starting, and relays CR-8 and CR-10 and timer T-2 are activated. T-4 is energized. Relay CR-8
When energized, bunker contraction solenoid 5QL-4, relay C
Plate extension solenoid 5QL-3 is activated by energizing R-10.
is no longer energized, however, energization of relay CR-10 energizes bathoka extension solenoid 5QL-5, and timer T-5 is also energized and activated.

When about 1 second elapses after the timer T-5 is activated, its contact is turned on, relay CR-11 is energized, and in response, solenoid 5QL-6 is energized. This solenoid 5QL-6
As a result, the solenoid valve V-6 is operated, a part of the hydraulic pressure to the Paraca cylinder 13 is supplied to the press cylinder 15, and the rod 15a of the press cylinder 15 is also extended at the same time. This is an operation to bring the state of the plate to the state after execution of the fourth step.

By the way, if the plate stops due to dust while the rod 13a of the Paraca cylinder 13 is being extended, its contact is turned on approximately 5 seconds after the timer T-4 starts, and the relay CR-5 is energized. In response, timer T-1 and plate contraction solenoid 5QL-2 are energized, and bunker expansion solenoid 5QL-5 and timer T-5 are energized.
is no longer energized, and the contact of timer T-5 is turned off.

By turning off the contact of timer T-5, solenoid 5QL-
6 will no longer be energized.

When the contact is turned on approximately 0.5 seconds after the timer T-1 is activated, relay CR-4 is energized, and accordingly, bunker extension solenoid 5QL-3 is energized. That is, 0.5 seconds after the retraction operation of the rod 15a of the press cylinder 15, the extension operation of the rod 15a of the Paraca cylinder 15, which has not been fully extended, is performed. and press cylinder 1
The rod 15a of No. 5 is completely shrunk, and the micro switch LS-
1 is turned on, relay CR-1 is energized, and in response, press contraction solenoid 5QL-2 is de-energized.

After that, when the rod 13a of the Paraca cylinder 13 is fully extended, the first stroke is completed and the micro switch LS-4
is turned on, and relay CR-2 is energized accordingly.

When relay CR-2 is turned on, relay CR-4 and banker extension solenoid 5QL-5 are energized instead of relay CR-6 being energized.
The power is turned off. When relay CR-6 is energized, 1z-CR-8, CR-9 and CR-10 are de-energized. In response to the relay CR-8 being de-energized, the packer compression solenoid 5QL-4 is energized and the rod 13a of the packer solenoid 13 starts to contract in the second stroke.

If the press plate stops moving due to dust during the third step after the end of the second step, the contact is turned on approximately 3 seconds after the start of timer T-3, and the relay is activated. When CR-10 is energized, timer T-4 is activated. Then, by energizing relay CR-10, banker expansion solenoid SQL;-5 and timer T-5 are activated.
is energized, and the rod 13a of the Paraca cylinder 13 starts to extend due to the energization of the buffing force extension solenoid 5QL-5. After about one second, the timer T-5's contact is turned on to energize the relay 11, and in response, the solenoid 5QL-6 is energized.

By energizing the solenoid 5QL-6, hydraulic pressure is supplied to the press cylinder 15, causing the rod 15a to extend, and at the end of the fourth stroke when the extension action ends, the microswitches LS-2A and LS-2B are turned on, respectively. and turns off, and accordingly, relay CR-5 and timer T-5 are de-energized. When timer T-5 is de-energized, its contact turns off, and accordingly relay CR-
11 and solenoid 5QL-6 are no longer energized.

When the solenoid 5QL-6 is de-energized, the supply of hydraulic pressure to the press cylinder 15 is stopped.

After that, the extension of the rod 13a of the Paraca cylinder 13 progresses, and when the rod 13a is fully extended, the micro switch LS
-4 is turned on, and relay CR-2 is energized accordingly. By energizing this relay CR-2, relay CR-
5 and press compression solenoid 5QL-2 are energized, and timer T
-1 starts and press cylinder 150 rod 15
The stretching motion of a begins. That is, the first process starts.

Thereafter, the second, third, fourth steps, etc. are repeated in order.

Next, the operation when discharging the garbage stored in the storage box 1 will be explained.

First, the PTO switching lever 55 is brought into contact to perform the ejection operation, and then the switch 5W-1 is turned to the "ejection" side. At this time, assuming that the rod 15a of the press cylinder 15 is not in the most contracted state, that is, not fully contracted, and the rod 13a of the Paraca cylinder 13 is not in the most extended state, that is, not fully extended, the microswitch LS-1,
LS-28, LS-3 and Ll-4 are all off and relays CR-1, CR-2, CR-11 and CR-
13 are not energized.

When the switch 5W-2 is turned to the "up" side in this state, the timer T-6, the discharge solenoid 5OL-9, and the inter-tightening solenoid 5QL-11 are energized. This solenoid 5
When the QL-11 is energized, the rod of the input box 2 comes off, allowing it to rise. Also, timer T-6 is about 1 minute from its start.
The contact turns on after a second. When the contact of timer T-6 is turned on, relay CR-11 is energized, and in response, lift solenoid 5QL-7 is energized and lift cylinder 51 is energized.
The loading box 2 is raised by supplying hydraulic pressure to the rod and extending the rod.

The above-mentioned discharge solenoid 5QL-9 is energized in order to supply large hydraulic pressure to the cylinder 73 of the automatic locking device 54 by blocking the oil passage in the solenoid valve V-7, thereby enabling reliable release of the lock. However, this disappears after about 1 second of timer time by the above-mentioned timer T-6.

As the input box 2 starts to rise, the micro switch LS
-11 turns on. Also, when the input box 2 rises to a predetermined position of 45 degrees, the microswitches LS-10 and LS-10 are activated.
B turns on. When the operation of the switch 5W-2 is stopped when the input box 2 has risen to the predetermined position, the switch 5W-
2 returns to the neutral position.

In the above state, when the switch 5W-4 is turned to the press extension and bunker extension sides, the press extension solenoid s is activated.

L-3 and the packer extension solenoid 5QL-5 are energized, and the rod 15a of the ζ press cylinder 15 and the bunker cylinder 13 are energized.
When the rod 13a of the press cylinder 15 is fully extended, the microswitch LS-2B is turned on and the relay CR-12 is energized, and when the rod 13a of the bunker cylinder 13 is fully extended, the microswitch LS-2B is turned on. 4 is turned on and relay CR-2 is energized.

By energizing this Sutz-CR-12 and CR-2, the press extension solenoid 5QL-3 and Pasoka extension solenoid 5QL-
5 is no longer energized, and the extension operation of each cylinder is completed. This state is the state where the fourth stroke, i.e., the push-in operation, has been completed, and at this time, the microswitches LS-1 and LS-3
are both off.

In this state, when the switch 5W-4 is turned to the press compression and packer compression sides, the press compression solenoid 5QL-2 and the packer compression solenoid 5QL-4 are energized, causing both the press cylinder 15 and the bunker cylinder 13 to contract. Actions occur simultaneously. And the rod 15a of the press cylinder 15
When the rod 13 of the bunker cylinder 13 is completely compressed, the micro switch LS-1 is turned on, relay CR-1 is energized, and the rod 13 of the bunker cylinder 13 is
When a is completely compressed, microswitch LS-3 is turned on and relay CR-13 is energized. Both relays CR-1CR
-13 is energized, the press contraction solenoid 5QL-2,
The energization of the valve contraction solenoid 5oL-4 is stopped, and the contraction operation of each cylinder is completed. This state is the state in which the second stroke has been completed.

In addition, the above-mentioned press cylinder 15 and bunker cylinder 1
When the rods No. 3 are simultaneously extended and contracted, the oil pressure to the bunker cylinder 13 is supplied by the discharged oil of the press cylinder 15, as is clear from the hydraulic circuit in FIG. In this state, if the amount of oil required to extend and retract the rod 15a of the press cylinder 15 is smaller than the amount of oil required to extend and retract the rod 13a of the bunker cylinder 13, the press plate when both cylinders 15 and 13 are contracted. 5 is away from the circular arc surface 2b2 of the bottom 2b of the input box 2, as shown by X in FIG.
13 when it is extended is the arcuate surface 2b as shown by Y in the same figure.
2, and when the input box 2 rises, the input box 2
Dust remaining inside can be effectively removed.

As mentioned above, the switch 5W-4 is activated before, after, or at the same time as the garbage in the input box 2 falls due to manual operation of the switch 5W-4.
When you move 3 to the ejection side, 1. The discharge solenoid 5QL-9 and the discharge plate operating solenoid 5QL-12 are energized via the micro switch LS-10 which is turned on, and this causes hydraulic pressure to be applied to the discharge cylinder 52 via the solenoid valves v-3 and V-7. is supplied, the rod is extended, and the discharge plate 53 is retracted. By retreating the discharge plate 53, the garbage inside the storage box 1 is discharged to the outside through the opening 1a.

Incidentally, when the discharge plate 53 moves from the predetermined position toward the opening of the storage box 1, the microswitch LS-7 becomes in the state shown in the figure.

By the way, during the above-mentioned dust discharge operation, the movement of the discharge plate 53 may be stopped due to the dust being caught on the way. In such a case, move the switch 5W-3 to the return side and remove the discharge plate 5.
When the ejecting operation is performed again after 3, the ejecting plate 53
You will be able to move quickly and overcome getting caught in the garbage.

After confirming that the dust discharge is completely completed, turn switch 5W-2 to the lowering side, and micro switch m5
-7, the return solenoid 5OL-10 and the discharge plate operating solenoid 5QL-12 are simultaneously energized, and the discharge plate 53
A return operation is performed. When the discharge plate 53 returns to the predetermined position, the microswitch LS-7 is switched to the opposite side as shown in the figure, thereby stopping the return operation of the discharge plate 53, and the lowering solenoid 5QL-8 is energized to remove the input box. 2
A descending motion is performed. At this time, the tightening amount solenoid 5
Since QL-11 is energized via microswitch LS-11, automatic locking device 54 is open.
The dropping box 2 can be moved down beyond the automatic locking device 54.

When the loading box 2 has been sufficiently lowered, the microswitch LS-11 is turned off and the tightening amount solenoid 5QL-11 is de-energized, which causes the automatic locking device 54 to tighten the loading box 2. is locked.

As explained above, according to the present invention, when the input box is in the tilted upward position and the ejection plate is closer to the opening of the storage box than the predetermined position, the ejection plate is first moved to the predetermined position by operating a single switch. Since the loading box is tilted and lowered after that, the hassle of operating two switches separately as in the past is eliminated, and work efficiency is improved.

[Brief explanation of the drawing]

The drawings show embodiments of the present invention, and FIG. 1 is a side view showing a garbage collection vehicle according to the invention, and FIGS. 2 to 5 are cross-sectional views showing different operating states of the mechanical parts of the garbage collection vehicle according to the invention. ,
FIG. 6 is a hydraulic circuit diagram showing the hydraulic circuit of the garbage collection vehicle according to the present invention, FIG. 7 is an electric circuit diagram showing the electric circuit of the garbage collection vehicle according to the present invention, and FIGS. 8 and 9 are in FIG. 10. 10 and 11 are time charts for explaining the operation of the device according to the present invention, and FIG. 12 is a diagram showing the operation of the garbage collection vehicle according to the present invention. 1... Garbage storage box, 1a... Opening,
2... Garbage input box, 5... Press plate, 6... Banker plate, 13...
・Banka cylinder, 13a...Lift, 15・
...Press cylinder, 15a...Lift, 51...Lift cylinder, 52...
Discharge cylinder, LS-7...Micro switch, 5QL-8...Lower solenoid, 5QL-1
0...Return solenoid, 5W-2...
toggle switch. Figure 12 2 Procedural amendment (November 15, 1980, Attributed to Manabu Shiga, Commissioner of the Japan Patent Office, Indication of the case, Koguchi 1959 Patent Application No. 062467 2, Title of invention: Garbage collection vehicle 3, Amendment) Relationship with the case of a person who does Correct “2” in line 3 of page 4 of the same book to “1”. 2. Correct r54aJ in line 10 of page 12 of the same book to “73”. 3. Correct line 2 to page 14 of page 14 of the same book. 3 lines of “Pa Tsuka...
"Shrinkage" is corrected to "position at which press cylinder 15 begins to extend." 4. In the same book, page 14, line 8, "begins to grow" is corrected to "shrink." 5. Insert "more than" after "5°" on page 14, line 17 of the same book. 6. Insert ``operable'' after ``confirmation'' on page 14, line 17 of the same book. 7. In the same book, page 14, line 19, "confirm" is corrected to "automatically". 8. In the same book, page 17, line 15, "10" is corrected to "7". 9. "is off..." in the same book, page 18, lines 16 to 17.
・Correct "on" to "LS-2B is off." 10. Correct "shrinkage" to "elongation" in line 12 of page 21 of the same book. 11. Correct "off" to "on" in line 14 of page 21 of the same book. 12. "Off..." in the same book, page 21, lines 16 and 17.
・Correct "relay" to "relay CR-12 is energized when turned on." 13. In the same book, page 22, line 20, "off shi, ko" is corrected to "off shi, ko." 14. "Rod 15" on page 23, line 16 of the same book is corrected to "rod 15a." 15, page 23 of the same book, lines 17 to 18, “is off.
...on" is corrected to "Ll-2B is off." 16. In the same book, page 24, line 4, change “all” to “relay CR.
-12 excluded.” 17. Insert [, LS-2BJ after rLS-2AJ on page 24, line 7 of the same book. 18, I O, I J on page 24, line 17 of the same book as “approximately 1
” is corrected. 19. In the same book, page 25, line 20, “stretch” is replaced with “shrink”
Correct. 20. “Plate” in line 9 of page 26 of the same book is “press”
Correct. 21. “Plate” in line 6 of page 27 of the same book is “press”
Correct. 22, r '0.5 J on page 27, line 12 of the same book as "1
” is corrected. In the imperial edict, page 27, line 14 of the same book, ``3'' is corrected to ``5.'' 24, r O, 5J on page 27, line 16 of the same book is “about 1”
Correct. 25, ``r15 (2)'' on page 27, line 17 of the same book [1
Corrected to 3J. 26. In the same book, page 28, line 13, "solenoid" is corrected to "cylinder." 27, "11" on page 29, line 5 of the same book as rCR-11J
Correct. 4. Delete "and off" on page 29, line 11 of the same book. 29, rCR-5J on page 29, line 12 of the same book as rCR-
Corrected to 111 solenoid 5QL-6J. 30, “Timer
...It disappears. ” to be deleted. 31. In the same book, page 30, lines 5 and 6, "elongation" is corrected to "shrinkage." 32, rCR-11J on page 30, line 19 of the same book [CR
-Corrected to 12J. 33. In the same book, page 31, line 5, ``rifed'' is corrected to ``lock.'' 34. Insert "more than" after "45°" on page 31, line 20 of the same book. 35, ``This...
·be. ” to be deleted. 36. In the same book, page 37, line 8, "10" is corrected to "7". 37. In Figure 1 of the drawings, add "b" as if it were not shown in the attached drawings. 38, Figures 6, 7, 10, and 11 are replaced with the attached drawings. Procedural Amendment (Chief) May 10, 1985 Manabu Shiga, Commissioner of the Patent Office1, Indication of the case: 059 Patent Application No. 0624672, Name of the invention: Garbage collection vehicle3, Person making the amendment Relationship Patent applicant address: 1-48 Jinbu-cho, Yao City, Osaka Prefecture Name: Morita Tokushu Kikou Co., Ltd. 4, Contents of agent's amendment (Patent Application No. 51-062467)■, Page 4, lines 3 to 3 of the specification The third line of page 5 is corrected as follows. ``The present invention was made in order to eliminate the drawbacks of the conventional ones as described above, and its purpose is to provide a garbage collection vehicle that is easy to operate after discharging garbage and improves work efficiency. Embodiments of the apparatus according to the present invention will be described below based on the drawings, in which the same members are denoted by the same reference numerals. FIG. 1 shows a garbage collection vehicle according to the present invention, Garbage collection vehicle A
A storage box 1 is mounted on a vehicle chassis a. A charging box 2 is connected to the rear opening of the storage box 1,
Inside the input box 2, a mechanical part of the garbage loading device as shown in FIGS. 2 to 5 is housed. In the figure, the input box 2 is tiltably connected to the rear of the storage box 1 by a bin 3, and is normally held in the illustrated state by an automatic locking device 54 so as to communicate with the rear opening 1a of the storage box 1. has been done. Further, the input box 2 has a bottom portion 2b in which a garbage input port 2a is provided at the rear and circular arc surfaces 2b+ and 2bz are continuously formed.
"Loading garbage into storage box 1" Patent applicant: Morita Tokushu Kikou Co., Ltd.

Claims (1)

[Claims] The garbage loading box is equipped with a garbage loading device that compresses and crushes the garbage placed in the garbage loading box and pushes it into the garbage storage box, and the garbage loading device loads and stores the garbage into the garbage storage box. A discharge plate driven by a discharge cylinder for discharging the garbage to the outside is provided in the garbage storage box, and the garbage input box is tilted upward and downward relative to the garbage storage box by the drive of a lift cylinder. In a garbage collection vehicle provided at an opening of a storage box, a detection means detects that the discharge plate is located closer to the opening of the garbage collection vehicle than a predetermined position when the garbage input box is in a tilted and raised position. , forming a circuit that operates the ejection cylinder to return the ejection plate in response to a switch operation at the time of detection by the detection means, and operates the lift cylinder in response to the return of the ejection plate to a predetermined position. A garbage collection vehicle characterized by comprising means for forming a circuit for tilting and lowering a garbage input box.