JPS60209405A - 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 puncher plate, and the rod of the Paraca cylinder, whose base end is pivotally supported below the input box, is connected to the puncher 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. After raising the container, the discharge plate inside the storage box is moved backward to discharge the garbage 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, in order to do this, it was necessary to operate a manual switch to return the discharge plate to a predetermined position and to operate a manual switch to lower the input box, which was cumbersome. Further, since the lowering operation of the input box starts after the discharge plate has returned to a predetermined position, there is a drawback that the operation after discharging the garbage takes time, resulting in poor work efficiency.

The present invention has been made in order to eliminate the drawbacks of the conventional ones mentioned above, and its purpose is to provide a garbage collection vehicle that improves work efficiency by shortening the operating time after discharging garbage. be.

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 l 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.

The input box 2 is provided with a garbage input port 2a at the rear and has a bottom portion 2b in which circular arc surfaces 2b1 and 2b2 are continuously formed.
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 touches the inner surfaces of both side walls of the input box 2, and the lower end of a puncher plate 6 having a flat plate shape and having the same interior as the press plate 5 is attached to the upper end of the plate 5. They are rotatably connected to each other by a shaft 7.

The upper and lower ends of the puncher 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 by a shaft 10° 11, and the shaft 10 has a Paraca cylinder whose base end is swingably supported by a shaft 12 provided below the input box 2. The tips of thirteen 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 β with a connecting shaft 10 with the punker 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 puncher plate 6, and 18 is a shield plate that shields the upper part of the opening 1a of the storage box 1.

Thus, the twelfth plate connects the upper and lower parts of the puncher 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 punker 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 charging garbage into the charging box 2 from the charging port 2a, the rod 15a of the press cylinder 15 and the rod 13a of the bunker cylinder 13 are both fully extended as shown in FIG. Press cylinder 15 as shown
The rod 15a of the bunker cylinder 13 is in the most contracted state, and the rod 13a of the bunker 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 punker plate 6 is in the highest position. held in position.

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 rod 13a of the bunker cylinder 13 is in a semi-reduced state, the press cylinder 15 is activated. 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 tip 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 2bg.

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 1 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, an automatic locking device 54 driven by a cylinder 73 (described later) is activated.
Since the loading box 2 and the storage box 1 are held completely tightened in the state shown in the figure, it is necessary to release the tightening by the automatic locking device 54 in order to raise the container.

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 changeover switch, a loading box operation switch, an individual operation switch, and the like. On the left side of the loading box 2, a loading operation panel 57 has a "loading" push button, a "stop" push button, and a "buzzer" push button.
However, on the right side (not visible in Figure 1), an operation panel consisting of an "emergency stop" push button is installed.

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 to 67d are pilot operator check valves, and 68a and 68b are tightening check valves. V-1 to V-8 are solenoid valves, 71a
, 71b is a relief valve, 72 is a return filter,
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, 15, and 5 by switching the solenoids of the solenoid valves V-1 to V-8, respectively.
1, 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 bunker 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. Solenoid valve v-3 has 5QL-10 and return solenoid 5QL
-10 energization supplies hydraulic pressure to the discharge cylinder 52 to contract the rod. Solenoid valve V-4 has solenoids 5QL-7 and Sol, -8, and solenoid valve v-B has solenoids 5QL-14 and 5QL-1.
5, when the solenoids 5QL-7 and 5QL-14 are energized, hydraulic pressure is supplied to the lift cylinder 51 and the discharge cylinder 52 to extend the rods of both cylinders, and when the solenoids 5QL-8 and 5QL-15 are energized, the lift cylinder 51 and the discharge cylinder 52 are extended. Hydraulic pressure is supplied to 51 and discharge cylinder 52 to reduce the size of both of them. The solenoid valve V-5 has a lock tightening solenoid 5QL-11, and an automatic locking device 54 that sets the rod of the lock cylinder 73 in a contracted state before energizing the solenoid 5QL-11 and maintains the tightened state.
The rod of the lock cylinder 54a is extended and released by energizing the solenoid 5QL-11.

The solenoid valve V-6 has solenoids SO and L-6, and when the solenoid 5QL-6 is energized, a part of the hydraulic pressure being supplied to the bunker cylinder 13 is transferred to the press cylinder 15.
to extend the rod 15a. Solenoid V
-7 has a solenoid 5QL-13, and the solenoid 5
The discharge cylinder 52 is switched due to energization of QL-13.
The hydraulic pressure inside the cylinder 52, which rises due to the force applied to the rod from the outside to reduce the rod, is released through the relief valve 71b.

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. As shown in FIGS. 8 and 9, the LS-2A and LS-2B are attached to the baraka 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 and when the loading box is raised. 15 is used to detect the elongation.

The microswitches LS-3 to LS-5 are mounted 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 baraka plate 6. Microsui, Sochi LS-5
is the rod 13ali of the bunker cylinder 13 when loading garbage.
The micro switch LS-4 is used to detect the elongation of the rod 13a of the bunker cylinder 13 when loading garbage and when the loading box is raised.
S-3 is the rod 13 of the bunker cylinder 13 when loading garbage.
Each is used to detect the beginning of elongation of a.

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. Microswitches LS-10B and LS-11 are attached to the hinges of storage box 1 and input box 2, and LS-10B is turned on at the rising angle of input box 2 at 45 @ when the discharge plate 53 is activated to check the angle. In order to do this, the LS-11 is turned off when the input box 2 is lowered, and is used to confirm that the automatic locking device 54 is tightened. Micro switch LS-13 is PT
Provided at the O switching handle 55, the PTO device 62
It is meant to turn on entertainment.

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.

SW-1 to 5w-4 are three-position toggle switches, and these correspond to the power switch, input box operation, and single operation switches on the switch panel 56 in the driver's cab, respectively. Note that the other switches except for switch SW-t are switched only when manual operating force is applied, and return to the neutral position when the hand is released.

CR-I NCR-13 is a control relay,
The normally open and normally closed contacts of these relays are designated by the same symbol. T-1- and T-7 are timers, which turn on the contacts designated by the same code when a preset time has elapsed for each timer after activation by energization, and in that state, no energization (
hold until

5QL-1 to 5QL-15 are solenoids, solenoid 5QL-1 is for operating the governor device that keeps the engine rotation at an appropriate constant value, solenoid 5QL
-2, 5QL-3 are for solenoid valve v-2, solenoid 5QL-4, 5QL-5 are for solenoid valve v-1
Solenoid 5OL-6 is for solenoid pulp V-6, solenoid 5QL-7, 5QL-8 is for solenoid valve v=4, 5QL-10 is for solenoid H/L/B V-
3, solenoid 5QL-11 is solenoid valve v-
5, solenoid 5QL-12, 5QL-13 is for solenoid pulp V-7, solenoid s.

L-14, 5QL-15 is 71. /id valve for V-8. Then, by energizing 5QL-2 and 5QL-3, the rod 15a (7) of the press cylinder 15 contracts,
Extension action, contraction and extension action of the rod 13a of the bunker cylinder 13 by energizing 5QL-4 and 5QL-5, 5QL
-7,5QL-14 (7) Elevation of input box 2 due to energization,
Ejection operation of the ejection plate 53, lowering of the input box 2 by energizing 5QL-8 and 5QL-15, return operation of the ejection plate 53, 5Q
The return operation of the discharge plate 53 by energization of L-10, and the return operation of the discharge plate 53
By energizing L-11, the automatic locking device 54 is tightened and opened, and by energizing 5QL-13, the discharge plate 53 is closed.
enable automatic return.

Note that PS is a pressure switch, which is provided in a portion of the bunker cylinder 13 to which hydraulic pressure for extending the rod 13a of the bunker cylinder 13 is supplied, and is turned on when the hydraulic pressure in this portion exceeds a predetermined pressure.

Furthermore, D-1-D23 are diodes that regulate the direction of current flow, F is a fuse, BZ is a buzzer, and PL is a pilot lamp.

The operation of the garbage collection vehicle according to the present invention equipped with the hydraulic circuit and electric circuit as described above will be described below with reference to 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 LS-13 are in the state shown in Fig. 1θ.

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. -3 is pressed, the PTO switching lever 55 first changes the microswitch LS-13 from open to idle, and relays CR-, 2 and relay CR-12
is 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, press contraction solenoid 5QL
-2 is energized and the rod 15a of the press cylinder 15 contracts. 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 CR-1 is energized through this switch. This energization of relay CR-1 energizes relays CR-6, and 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-2
is no longer energized, and the relay CR-7 is energized to energize the Pasoca contraction solenoid SQL-4, causing the rod 13a of the bunker cylinder 13 to retract.

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.
No. 3: The contact turns on about 4 seconds later, which is longer than the contraction time of the rad 13a.

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 tSa 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, Pasoca contraction solenoid 5QL-4
The rod 13a of the bunker cylinder 13 is de-energized.
The contraction operation of is completed. At this time, since the relay CR-9 is still 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 stroke 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-2A 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 Pasoca extension solenoid 5QL-5 and the automatic return solenoid FS
OL-13 is energized and the rod 13 of the bunker cylinder 13
The stretching motion of a begins.

Due to this elongation of the rod 13a of the bunker cylinder 13,
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 when the oil pressure at this time exceeds the set pressure of the relief valve 71b, the oil in the cylinder 52 is drained from the solenoid valve V.
-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.

Furthermore, when the rod 13a of the bunker cylinder 13 is extended, if the garbage gets caught in the storage box 1 and becomes difficult to move, the oil pressure in the bunker cylinder 13 increases and the pressure switch PS is turned on. There is. In such a case, the timer T-7 is energized and activated, and its contact is turned on after a predetermined time from activation. By turning on the timer T-7, the solenoid 5QL-10 is energized, and in response, the discharge cylinder 52 is energized via the solenoid pulp V-3.
Hydraulic pressure is supplied to reduce the rod 13a. Due to the contraction of the rod 13a, the discharge plate 53 is returned, a slight gap is formed between the garbage and the discharge plate 53, the resistance of the discharge plate 53 is eliminated, and the garbage that could not be moved is removed by the rod of the bunker cylinder 13. It becomes possible to move by stretching 13a.

When the pressure inside the bunker cylinder 13 decreases due to this movement, the pressure switch Ps is turned off, and as a result, the solenoid 5QL-10 is de-energized (thus, the return operation of the discharge plate 53 is stopped. -4, the contact is turned on about 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 bunker 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 bunker 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 bunker extension solenoid 5QL-5 is de-energized and the extension operation of the rod 13a of the bunker cylinder 13 is completed, and instead, the press contraction solenoid 5QL-2 is energized and the retraction operation of the rod 15a of the press cylinder 15 is completed. 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.

Now, near the end of the 4th stroke, if you operate the "Stop" pushbutton and turn off pushbutton switch PB-2, all other relays, timers, and solenoids except relay CR-13 will be de-energized at this point. , the device stops working.

In the state of the microswitch at the time of this operation stop, assuming that the microswitch LS-'2A is on and all others are off, operate the "Load" pushbutton again to activate the pushbutton switch PB-1. The operation when this happens is 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, governor solenoid SQL'-1 and press contraction solenoid 5QL-
2 is energized and the rod 15a of the press cylinder 15 starts to contract. After that, when 0.1 seconds have passed, timer T
-1 is turned on, relay CR-4 is energized, and in response, bunker extension solenoid 5QL-5 is energized to extend the rod 13a of bunker cylinder 13, which has not been fully extended.

When the rod 15a of the press cylinder 15 is completely retracted during the extension operation of the rod 13a of the bunker cylinder 13, the microswitch LS-1 is turned on in response to this, and the microswitch LS-1 in the parenthesis is turned on, causing the relay CR-1 to
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 rotor 3a of the bunker 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.

Furthermore, the Pasoca 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 bunker 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, the valve contraction solenoid 5QL-4 and relay C are activated.
Plate extension solenoid 5QL-3 is activated by energizing R-10.
When the relay CR-10 is energized, the bunker extension solenoid 5OL-5 is energized and the 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 5OL-6
As a result, the solenoid valve V-6 is operated, a part of the hydraulic pressure to the bunker 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 bunker cylinder 13 is being extended, its contact is turned on approximately 5 seconds after the start of timer T-4, and relays C and R-5 are energized. In response, timer T-1 and plate contraction solenoid 5QL-2 are energized, and bunker expansion solenoid 5QL-5 and timer T-
5 is no longer energized, and the contact of timer T-5 is turned off.

By turning off the contact of timer T-5, solenoid 5OL-
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 rod 15a of the press cylinder 15 is retracted, the rod 15a of the bunker cylinder 15, which has not been fully extended, is extended. and press cylinder 1
The rod 15a of No. 5 is completely shrunk, and the micro switch LS-
1 is turned on, relays CR- and 1 are energized, and in response, the press compression solenoid 5QL-2 is de-energized.

After that, when the rod 13a of the bunker 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 buff force extension solenoid 5QL- are energized instead of relays C and R-6 being energized.
5 is no longer energized. When relay CR-6 is energized, relays CR-8, CR-9 and CR-10 are de-energized. In response to the de-energization of the relay CR-8, the bunker contraction solenoid 5QL-4 is energized and the contraction operation of the rod 13a of the bunker solenoid 13 in the second stroke is started.

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-1'O, banker extension solenoid 5QL-5 and timer T-5 are activated.
is energized, and the rod 13a of the bunker cylinder 13 starts to extend due to the energization of the bucker 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 the rod 15 of the press cylinder 15
The stretching motion of a begins. That is, after the first process starts, each process is repeated in order, such as box 2, third, fourth process, and so on.

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. If the rod 13a of the Paraca cylinder 13 is not in the fully extended state, that is, it is not fully extended, the microswitches LS-1 and L
S-28SLS-3 and LS-4 are both off and relays CR-1, CR-2, CR-11 and CR-1
3 are not energized.

In this state, when switch 5VI-2 is turned to the "up" side, timer T-6 and solenoids 5QL-10 and 5QL
-11,5QL-14 is energized.

By energizing the tightening amount solenoid 5QL-11, the input box 2 is unlocked and can be raised. Further, the contact of timer T-6 turns on approximately 1 second after this energization, and as a result, relay CR-11 is energized, and in response, instead of energizing rising solenoid 5QL-7, solenoid 5QL-
11SQL-10 is no longer powered.

When the solenoid 5QL-7 is energized, it supplies hydraulic pressure to the lift cylinder 51 via the solenoid pulp V-8 to extend its rod 51a, and further supplies hydraulic pressure to the discharge cylinder 52 via the pulp 68d to extend the rod. It extends and raises the input box 2 and moves the discharge plate 53 to the opening 1.
Move towards a. That is, the raising of the second input box and the discharge operation of the discharge plate are performed simultaneously.

Note that the return solenoid 5QL-10 is energized by the tightening amount solenoid 5QL-11.
This is to increase the hydraulic pressure supplied to the cylinder 73 through the cylinder 5 to ensure that the automatic locking device 54 is released.As the input box 2 starts to rise, which disappears in about 1 second, the microswitch LS-11 is activated. When the microswitch 7 is turned on and the discharge plate 53 moves beyond the predetermined position toward the opening la, the microswitch 7 becomes in the state shown in the figure. Also, when the input box 2 rises to the specified position of 45°, the micro switch L
S-10B turns on. When the operation of the switch 5W-2 is stopped when the input box 2 has risen to a 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 backer extension sides, the press extension solenoid s is activated.

L-3 and the Pasoca extension solenoid 5QL-5 are energized, and the rod 15a of the press cylinder 15 and the rod 13a of the Pasoca cylinder 13 are simultaneously extended, and when the rod 15a of the press cylinder 15 is fully extended, the micro switch L is activated.
When S-2B is turned on, relay CR-12 is energized, and when the mouth/throat 13a of Paraca cylinder 13 is fully extended, microswitch LS-4 is turned on and relay CR-2 is energized.

By energizing these relays CR-12 and CR-2, press extension solenoid 5QL-3 and Pasoca extension solenoid 5QL-5 are activated.
is no longer energized, and the extension operation of each cylinder is completed.

This state is the state where the fourth stroke, that is, the pushing operation has been completed, and at this time, both microswitches LS-1 and LS-3 are off.

In this state, when the switch 5W-4 is turned to the press compression and bunker compression sides, the press compression solenoid 5QL-2 and the bunker compression solenoid 5QL-4 are energized, and the lids of both the press cylinder 15 and the parking cylinder 13 are energized. A contraction action takes place at the same time. and the rod 15 of the press cylinder 15
When a is completely compressed, the microswitch LS-1 is turned on and the relay CR-1 is energized, and when the mouth/throat 13a of the Paraca cylinder 13 is completely compressed, the microswitch LS-3 is turned on and the relay CI'2-13 is energized. . Both relays CR
-1, by energizing CR-13, press contraction solenoid 5
QL-2 and bunker contraction solenoid 5QL-4 are de-energized, 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 Paraca cylinder 1
When the rods No. 3 are simultaneously extended and contracted, the hydraulic pressure to the Paraca cylinder 13 is supplied by the discharged oil of the press cylinder 15, as is clear from the hydraulic circuit in FIG. In such a state, if the amount of oil required to expand and contract the rod 15a of the press cylinder 15 is smaller than the amount of oil required to expand and contract the mouth/nod 13a of the Paraca cylinder 13,
While the locus of the press plate 5 when both cylinders 15.13 is contracted is away from the arcuate surface 2b2 of the bottom 2b of the input box 2, as shown by X in FIG.
The locus of No. 13 when extended is a circular arc surface 2h as shown by Y in the same figure.
a, the garbage remaining in the input box 2 can be effectively dropped when the input box 2 is raised.

As mentioned above, after the garbage in the input box 2 is dropped by manual operation of the switch 5W-4, when the switch SW-λ is turned to the lowering side, the solenoid 5QL-13 is energized via the microswitch LS-7. At the same time, solenoid 5QL-
8 is energized, whereby hydraulic pressure is supplied to the lift cylinder 51 via the solenoid valve V-4, and the rod 51a thereof is contracted. Due to this reduction, the cylinder 51
The oil flowing out from solenoid valve V-8 and valve 6
8a to the ejection cylinder 52, which reduces its rod and causes the return movement of the ejection plate 53.

When the exhaust tFj, 53 returns to the predetermined position, the microswitch LS-7 switches to the opposite state from that shown, thereby energizing the solenoid 5QL-14 instead of de-energizing the solenoid 5QL-15. . By energizing the solenoid 5QL-14, the oil spilled from the lift cylinder 51 will flow to the drain via the solenoid valve V-4, and will no longer be supplied to the discharge cylinder 52, allowing the discharge plate 53 to return to its predetermined position. At this time, the tightening solenoid 5QL-11 is energized via the microswitch LS-11, so the automatic locking device 54 is open, and the dropping box 2 is locked into the automatic locking device 54. It is possible to descend and move beyond. and,
When the input box 2 has descended sufficiently, the micro switch L is pressed.
By turning off S-11, the tightening solenoid 5Q
The power to L-41 is removed, and as a result, the automatic locking device 54 is tightened and the input box 2 is opened and closed.

As explained above, according to the present invention, when the input box is in the tilted up position and the ejection plate is closer to the opening of the storage box than the predetermined position, the ejection plate can be moved to the predetermined position by a single switch operation. Because the return of the input box and the tilting and lowering of the input box are performed at the same time, it is easier to operate than the conventional system that requires two switch operations, and the time required for the final lowering of the input box is shortened. This will improve work efficiency.

[Brief explanation of drawings]

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, 2... Garbage input box, 5... Press plate, 6... Pasoka plate, 13... Bathoka cylinder, 13a
......Rod, 15...Press cylinder, 15a...Rod, 51...Lift cylinder, 52...Ejection cylinder, 53...・
...Discharge plate, LS-7...Micro switch, 5QL-14, 5QL-15...Solenoid, ■-8...Solenoid valve. Patent applicant Morita Tokushu Kikou Co., Ltd. Figure 12 2 Procedural amendment (March 11, 1985, Manabu Shiga, Commissioner of the Patent Office), Indication of case 11659 Patent application No. 062469 2, Name of invention Garbage collection Car 3. Relationship with the case of the person making the amendment Patent applicant address 1-48 Jimbu-cho, Yao-shi, Osaka Name Morita Tokushu Kikou Co., Ltd. 4. Agent 6. Number of inventions increasing due to the amendment 7. Subject: Contents of the amendment (Japanese Patent Application No. 59-062469), "2" on page 5, line 8 of the specification is corrected to "1". 2. "Single" on page 10, line 8 of the same document. Insert "discharge plate operation switch," in front of it. 3. Correct r66 bJ on page 10, line 20 of the same book to "r66c. 66d". 4. Change "~67d" on page 11, line 1 of the same book to [ ,67bJ
Correct. 5. Insert "Solenoid 5QL-9," in front of rSQL-10J in the first line of page 12 of the same book. 6. In the same book, page 12, lines 1 to 3, "return..." is corrected as follows. "By energizing the discharge plate discharge solenoid 5QL-9 and the discharge plate return solenoid 5QL-10, hydraulic pressure is supplied to the discharge cylinder 52 to extend and contract its rods, respectively." 7. Delete cylinder 52-. 8. Delete "both" on page 12, line 9 of the same book. 9. Correct r54aJ on page 12, line 18 of the same book to "73". 10. "Banka..." in the same book, page 14, lines 6 and 7.
Correct "shrinkage" to "position where press cylinder 15 starts to extend". 11. Change “beginning of growth” to “shrinkage” in line 12 of page 14 of the same book.
Correct. 12, rLs- before rLsJO on page 14, line 17 of the same book.
10," is inserted. 13, rLs- before rLSJ on page 14, line 19 of the same book.
10," is inserted. 14, page 14, line 20 of the same book [insert "more than" after 45°j. 15. In the first line of page 15 of the same book, insert ``operable'' after ``authorized''. 16. "Confirm" in the second line of page 15 of the same book is "performed automatically" 17. Insert "discharge plate operation," before "single" in the 12th line of page 15 of the same book. 18, ``5O'' before rsOLJ on page 16, line 11 of the same book.
L-9,'' is inserted. 19, page 16, line 13 of the same book [Solenoid 5QL-1
2. Delete ]. 20. Delete "Ejection operation" from the first and second lines of page 17 of the same book. 21, rs before rSOLJ on page 17, line 3 of the same book. The ejection plate 53 is extended by energization of L-9. 22, "D23" on page 17, line 12 of the same book as "D-21"
” is corrected. On page 18 of the same book, line 4, "10" is corrected to "7". 24. In the same book, page 19, lines 5 and 6, "is off...on" is corrected to "LS-2B is off." 5. Correct "shrinkage" to "elongation" in the first line of page 22 of the same book. 2G, ``Off J'' on page 22, line 3 of the same book is corrected to ``on''. 27. In the same book, page 22, line 5, "off" is corrected to "on". Ah, in the same book, page 22, line 7, ``the power is turned off'' is corrected to ``the power is turned on.'' 29. In the same book, page 24, line 8, ``off shi, ko'' is corrected to ``off shi, ko.'' Sono, "Rod 15" on page 25, line 4 of the same book [Rod 1
Corrected to 5aJ. 31. The same book, page 25, lines 5 and 6, "is off...
"ON" is corrected to "LS-2B is OFF." 32, "13" in line 12 of page 25 of the same book is corrected to "12". 33, after rLs-2AJ on page 25, line 16 of the same book [
, insert LS-2BJ. 34, r 0 on page 26, line 6 of the same book. IJ is about 1
” is corrected. 35. In the same book, page 27, line 9, ``expand'' is corrected to ``shrink.'' Ah, in the same book, page 27, line 18, “plate” is “press”
Correct. 37. In the same book, page 28, line 15, "plate" is corrected to "press". 38, r 0.54 in the first line of page 29 of the same book is corrected to "1". 39, r3J on page 29, line 3 of the same book is corrected to r5J. 40, r O, 5J on page 29, line 5 of the same book is corrected to "approximately 1". 41, the two “15” in line 6 of page 29 of the same book are replaced with “13”
Correct. 42. In the second line of page 30 of the same book, "solenoid" is corrected to "cylinder." 43, "11" on page 30, line 14 of the same book as rCR-11
” is corrected. 44, "and off" in the 20th line of page 30 of the same book is deleted. 45, rCR-5J on page 31, line 1 of the same book as rCR-1
1. Correct to solenoid 5QL-6J. 46, "Timer..." in the same book, page 31, lines 2 to 4.
Become. ” to be deleted. 47. In the same book, page 31, lines 14 and 15, "elongation" is corrected to "shrinkage." 48, rCR-11J on page 32, line 8 of the same book as rcR-
Corrected to 12j. 49, rsOL on page 32, lines 11 and 12 of the same book.
...14" is corrected to "rsOL-7, 5QL-11". 50, page 32, lines 17 to 19 of the same book, “Rise...
・Correct "becomes" to "Solenoid 5QL-14 is energized." 51, same book, page 32, line 20, insert rSOL-14J after [, 5QL-7J. 52, in the same book, page 33, line 1, after “valve” there is “v-4”.
," is inserted. 53, p. 33, lines 2 to 4 of the same book, “To do so.”
...Delete "Extension". 54, page 33, lines 5 to 7 of the same book, “With...
Delete "take place". 55, in the same book, page 33, lines 8 and 9, ``The above energization'' is corrected to ``The energization of the solenoid 14 is delayed by about 1 second.'' In the same book, page 33, line 12, "ari,...naru" is changed to "
be. ” is corrected. 57, page 33, lines 14 to 16 of the same book, “On
...Correct "become" to "turn on." 58, insert "more than" after "45°" on page 33, line 17 of the same book. 59, page 33, line 18 of the same book, insert "rLs-10," in front of rLs-10BJ. 60. Delete "This state... exists" in lines 12 and 13 of page 35 of the same book. 61, "13" in line 12 of page 36 of the same book is corrected to "15". 62, insert "tightness check" after "■-8," on page 36, line 17 of the same book. 63, "10" in line 16 of page 38 of the same book is corrected to "7". 64. The reference numeral rbJ has been added to the drawings in Figure 1 to indicate that they have not been placed in the attached drawings. 65, Figures 6, 7, 10, and 11 are replaced with the attached drawings. Procedural amendment (principal) May 10, 1985 Manabu Shiga, Commissioner of the Patent Office1, Indication of the case, Patent Application No. 062469 of 19822, Name of the invention: Garbage collection vehicle3, Person making the amendment and the case Relationship Patent Applicant Address 1-48 Jimmu-cho, Yao-shi, Osaka Name Morita Tokushu Kiko Co., Ltd. 4, Agent 6 Number of inventions increased by amendment Contents of the amendment (Patent Application No. 59-062469) 1, Specifications The 6th and 7th lines of page 22 of the book are corrected as follows. "Niyori Relay CR-12 is energized. This relay CR-12 is energized.
-10 is energized, press elongation soleno'' 2, Ibid. No. 36
Insert the following statement after "row, after" in the first θ line of the page. When rSW-3 is manually moved to the discharge side, 5QL-9 is energized via micro switch LS-10, and this causes discharge cylinder 5 to be activated via solenoid valve V-3.
Hydraulic pressure is supplied to the storage box 2, the rift is extended, and the discharge plate 53 connected to the discharge cylinder 52 moves rearward within the storage box 1 to discharge the garbage inside the storage box 1. 3. Replace Figure 7 of the drawing with the attached drawing. Patent applicant Morita Special Machinery 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 lift cylinder to tilt and lower the garbage disposal box in response to a switch operation at the time of detection by the detection means, and supplies spilled oil from the lift cylinder to the discharge cylinder to remove the discharge plate. forming a circuit for returning the discharge plate to a predetermined position, and forming a circuit for switching spilled oil from the lift cylinder from the discharge cylinder to another in response to the return of the discharge plate to the predetermined position. Garbage collection vehicle.