JP2898878B2 - Garbage container reversing device for garbage truck - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a garbage container reversing device for a refuse collection vehicle for reversing a trash container into a garbage input box of the refuse collection vehicle and charging the trash in the trash container.

[0002]

2. Description of the Related Art Conventionally, there has been provided a refuse collection vehicle in which a refuse input box provided with a refuse loading device is tiltably connected to a rear opening of a refuse storage box mounted on a vehicle frame. And
A trash container reversing device is provided at the input opening of the garbage input box to lift the trash container while inverting the garbage container so that the opening of the trash container faces the input opening. (For example, U.S. Pat. No. 3,840,427).
No. 7).

[0003]

However, since the above-mentioned conventional garbage container reversing device is always disposed behind the refuse input box, when the garbage input operation is not performed, for example, during traveling, the protruding arrangement is set. There is a risk that the waste container reversing device may interfere with others, causing damage to the waste container reversing device and being dangerous, and a problem that the configuration of the waste container reversing device is complicated. . In addition, the length of the vehicle is regulated by law,
We needed to respond to this.

Therefore, the above-described problem is caused by providing the trash container reversing device rotatably between a working position where the trash container is placed behind the trash box and a storage position where the trash container is placed in the opening of the trash box. However, the work of rotating the trash container reversing device between the working position and the storage position by the operator is heavy, because the weight of the trash container reversing device is relatively heavy. There is a problem that the load is large in the initial stage of turning from the working position or the working position to the storage position.

[0005]

According to the garbage container reversing device of the garbage collection vehicle of the present invention, a refuse input box provided with a refuse loading device is connected to a rear opening of a refuse storage box mounted on a vehicle frame. In the refuse collection vehicle, a trash container reversing device is provided at the lower edge of the input opening of the refuse input box to lift and invert the trash container while holding the trash container and to input the trash in the trash container to the trash input box. The trash container reversing device is provided so as to be rotatable between a working position where the trash container is placed behind the trash can and a storage position where the trash container is stored in the trash opening box. A biasing member is provided at the center of rotation of the device to assist the initial rotation of the trash container reversing device from the working position to the storage position or from the storage position to the working position.

The garbage container reversing device includes a base rotatably supported by a lower end edge of an input opening of the refuse input box, an operation arm having one end pivotally supported by the base, and A reversing auxiliary arm, a support base on which the other ends of the operation arm and the reversing auxiliary arm are pivotally supported, an upper locking piece and a lower locking piece provided on the upper and lower sides of the support table and capable of being disengaged from the trash container. It is composed of

Further, the trash container reversing device is provided with a first securing member for securing at the working position and a second securing member for securing at the storage position.

[0008]

In the dust input operation, the dust container reversing device is pivotally disposed at a work position protruding rearward of the dust input box and secured by the first securing member. Then, the garbage container reversing device is pivotally disposed at the storage position in the input opening of the refuse input box and secured by the second securing member. When rotating the trash container reversing device, the urging force of the urging member acts in a direction to assist the turning operation, and the operator can easily perform the turning operation.

[0009]

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows a schematic configuration of a refuse collection vehicle according to the present invention.

In FIG. 1, reference numeral 1 denotes a dust input box connected to a rear end opening of a dust storage box (not shown) mounted on a vehicle frame.

A dust loading device (not shown) is provided in the dust input box 1, and the dust input box 1 is loaded into the dust input box 1 through an input port (input opening) 11 formed in the dust input box 1. The refuse is compressed and loaded into the refuse storage box.

A discharge plate (not shown) slidable in the front-rear direction is provided in the refuse input box 1. A telescopic cylinder (not shown) is connected between the discharge plate and the front part of the dust container, and the discharge plate can be reciprocated in the dust container in the front-rear direction by the expansion and contraction operation of the telescopic cylinder. In addition, the refuse loading device compresses trash when loading trash into the trash storage box and discharges the trash stored in the trash storage box.

A trash container reversing device 2 is provided at the lower edge of the input port 11 of the trash input box 1.

As shown in FIG. 1 to FIG. 4, the trash container reversing device 2 reverses the trash container A and puts the trash contained in the trash container A into the trash input box 1 through the input port 11. A base 3 attached to the lower edge of the input port 11 of the refuse input box 1, an operation arm 4 and an inversion auxiliary arm 5 each having one end pivotally supported by the base 3, and these operation arms 4. And a support base 6 on which the other end of the reversing assist arm 5 is pivotally supported, and upper and lower locking pieces 7 and 8 provided above and below the support base 6 so as to be detachable from the trash container A. Have been.

An arm 3a is projected from an upper portion of a front surface of the base 3 on the side of the refuse input box 1, and the arm 3a is provided with a mounting member 12 forming a lower edge of the input port 11.
Is rotatably supported by a pivot pin 32 via a bracket 31.

A rod end 42 of a cylinder 41 whose base end is pivotally supported by the base 3 is pivotally supported via a connecting member 43 at an intermediate portion of the operation arm 4. By rotating the operation arm 4 up and down, the support base 6 is operated to be inverted in conjunction with the operation of the reversing auxiliary arm 5 described later, and the support base 6 is locked to the support base 6 via the upper and lower locking pieces 7 and 8. Lift up the trash container A while inverting it.

The reversing assist arm 5 assists the reversal of the support base 6 by the rotation of the operating arm 4 as described above. Reversing auxiliary arm 5 pivotally supported by support base 6
The other end of the hook is pivotally supported by the base 3 and extends in a hook shape.
One end of an operating link 51 pivotally supported by a bracket 52 via a bracket 52 is pivotally supported.

The upper locking piece 7 is configured to be inserted and locked from below into a locking portion A1 formed on the upper side surface of the trash container A.

The lower locking piece 8 has a base end at the support base 6.
Is formed in a hook shape so as to be rotatably supported by a lower portion of the garbage container and to have a tip portion locked from above from a locking pin A2 provided at a lower portion of the side surface of the trash container A.

The lower locking piece 8 is connected to the reversing assist arm 5.
It is configured to rotate up and down by an operation link 51 that is operated in accordance with the rotation of the shaft, and to lock the distal end portion with the locking pin A2 at the reversing position shown by a two-dot chain line in FIGS. 1 and 2. I have.

The trash container reversing device 2 configured as described above
Since the base 3 is supported rotatably about the pivot pin 32 as described above, the work position is arranged so as to protrude behind the dust bin 1 as shown in FIGS. When,
As shown in FIG. 4, it is configured to be rotatable between a storage position arranged in the input port 11 of the dust input box 1.

Here, a spring (biasing member) 9 shown in FIGS. 5 to 7 is interposed at the center of rotation of the trash container reversing device 2.

As the spring 9, a coil spring wound in a coil shape is used, and is inserted and disposed at an intermediate portion of the pivot pin 32. The spring 9 includes a fastening member 91 having one end 9a fixed to the arm 3a as shown in FIG.
The other end 9b is fixed to a fixing member 92 fixed to the bracket 31 as shown in FIG. The spring 9 is set so that the screw 3 does not act on the spring 9 when the arm 3a is at the position X indicated by the two-dot chain line shown in FIG. That is, at the position X indicated by the two-dot chain line shown in FIG. 6, no reaction force acts on the spring 9.

Accordingly, when the arm 3a rotates upward or downward from the position X, a reaction force corresponding to the amount of rotation acts on the arm 3a.

Reference numeral 21 in FIGS. 1 to 4 denotes a stopper for preventing the trash container reversing device 2 from rotating toward the trash insertion box 1 in the storage position.

The trash container reversing device 2 is secured by the first securing member 100 and the second securing member 110 at the working position and the storage position.

The first securing member 100 comprises a securing pin 101 provided on the mounting member 12 side as shown in FIG.
And a stopper 103 that engages with an engaging portion 102 formed at the tip of the securing pin 101. The engaging portion 102 of the securing pin 101 is engaged with the stopper 103. The rotation of the trash container reversing device 2 is prevented, and the trash container reversing device 2 is locked and held at the working position.

The securing pin 101 is fitted into a cylindrical body 105 fixed to the mounting member 12, and the engaging portion 102 is fixed by a biasing member such as a spring (not shown) interposed in the cylindrical body 105. It is urged in a direction to engage with the stopper 103. Further, the securing pin 101 is provided with a grip portion 104 through a hook-shaped through hole 106 formed in the cylindrical body 105, and the grip portion 104 pushes the securing pin 101 to the urging force of the urging member. The engaging portion 102 of the securing pin 101 can be held at a position separated from the stopper 103 by arranging the grip portion 104 at the hook portion of the through hole 106 while guiding the grip portion 104 to the side of the cylinder 105 against .

As shown in FIGS. 2 and 4, the second securing member 110 includes an engaging piece 111 pivotally supported on the upper portion of the base 3, and an engaging piece fixed to the bracket 31 of the mounting member 12. 11
1 is formed of a hook portion 112 formed at the tip of the garbage container 1 and a detachable engagement pin 113. The garbage container reversing device 2 is locked and held at the storage position by preventing the rotation of the trash container.

Also, below the mounting member 12, FIG.
As shown in FIG. 4 and FIG. 4, a limit switch LS1 for detecting when the trash container reversing device 2 is placed in a working position is provided. The limit switch LS1 is
When the trash container reversing device 2 is placed at the working position, its contact contacts the base 3 of the trash container reversing device 2 to switch from a closed state to an open state in an electric circuit of FIG. It is configured as follows.

FIG. 8 shows an electric circuit provided with the limit switch LS1.

In FIG. 8, R1 and R2 are relays, r
1a is a relay switch which is closed by excitation of R1;
r2b is a relay switch opened by the excitation of R2, SW is an ignition switch, LS2 is a limit switch which is closed when the PTO is driven, F1 and F2
Is a fuse.

Reference numeral 200 denotes an operation circuit of the dust loading device connected via the relay switch r2b.

Next, the operation of the refuse container reversing device 2 configured as described above will be described.

First, as shown in FIGS. 1 to 3, with the trash container reversing device 2 being rotated to the working position, the engaging portion 102 of the securing pin 101 is engaged with the stopper 103 to turn the trash container. The device 2 is secured in the working position.

Here, as described above, the trash container reversing device 2
Is locked in the working position, the base 3 of the trash container reversing device 2 contacts the contact of the limit switch LS1, the limit switch LS1 is switched to the open state, and the relay R2 is demagnetized. As a result, the relay switch r2b is closed. For this reason, the dust loading device is in a state where it can be operated by operating an operation switch (not shown).

Then, the garbage container A containing the garbage is slightly lifted, and the upper locking piece 7 of the support base 6 is inserted into the locking portion A1 of the garbage container A from below, thereby locking the two.
The trash container A is mounted on the support 6.

Subsequently, by extending the cylinder 41 and rotating the operation arm 4 upward, the support table 6 is inverted in combination with the operation of the reversing auxiliary arm 5, and the trash container A mounted on the support table 6 is rotated. Is turned over, and the refuse in the trash container A is put into the refuse input box 1 from the input port 11.

In the reversing operation of the trash container A, when the support base 6 reaches a substantially horizontal position as shown by a two-dot chain line in FIGS. The pivoting operation causes the reversing assist arm 5 to be bent, whereby the lower locking piece 8 rotates and the tip of the lower locking piece 8 is locked to the locking pin A2 of the trash container A. .

That is, from this position to the reversing position indicated by the alternate long and short dash line in FIGS. 1 and 2, the lower locking piece 8 supports the dust container A, thereby preventing the dust container A from falling.

As described above, while the trash in the trash container A is put into the trash insertion box 1 by the trash container reversing device 2, the trash loaded in the trash insertion box 1 is compressed by operating the trash loading device. Store in a garbage storage box.

Next, when the dust input operation is completed, the dust container reversing device 2 is pivotally disposed at the storage position as shown in FIG. 4, and the hook portion 112 of the engagement piece 111 is engaged with the engagement pin 113 at this storage position. To secure the trash container reversing device 2.

As a result, the trash container reversing device 2 does not protrude to the rear of the garbage input box 1 and does not interfere with other objects during traveling or the like, so that the trash container reversing device 2 does not interfere.
Damage can be prevented, and safety can be improved.

Here, when the trash container reversing device 2 is located at the working position, the spring 9 is twisted by an amount corresponding to the amount of rotation of the arm 3a from the position X to the working position. A reaction force is generated in the arm 3a to rotate the arm 3a toward the storage position by the amount of the twist. Therefore, when the trash container reversing device 2 is to be disposed from the working position to the storage position, the above-described reaction force assists the work in the initial rotation state, and facilitates the storing operation of the trash container reversing device 2. Can be done.

When the trash container reversing device 2 is disposed from the working position to the storage position, the spring 9
The arm 3a is twisted in the opposite direction to that described above by an amount corresponding to the amount of rotation of the arm 3a from the position X to the storage position, and the arm 3a is rotated toward the working position by this amount of twist. The reaction force is generated. Therefore, when the trash container reversing device 2 is to be arranged from the storage position to the working position, the reaction force applied in the initial rotation state assists the work, and the trash container reversing device 2 is operated from the storage position. The initial turning operation to the position can be easily performed.

As described above, the spring 9 assists the turning operation between the storage position and the working position of the trash container reversing device 2 by the urging force, and the position when the garbage container turning device 2 is turned to the storage position and the working position. When X is exceeded, a reaction force of the spring 9 is generated in a direction opposite to the rotation direction, and the reaction force can mitigate an impact placed at the storage position and the work position.

Further, when the refuse container reversing device 2 is disposed in the storage position, the limit switch LS1 is switched from the open state to the closed state, so that the relay R2 is excited and the relay switch r2b is opened, and the dust is removed. The loading device is inoperable. Accordingly, when the trash container reversing device 2 is disposed at the storage position, the trash container reversing device 2 can be prevented from being damaged due to the operation of the refuse loading device without operating the refuse loading device due to an erroneous operation or the like.

Although this embodiment has been described using one spring 9, the present invention is not limited to this, and two springs may be provided at both ends of the pivot pin 32. Is not limited to coil springs,
If possible, a torsion bar, a leaf spring or the like may be used.

Further, when the trash container reversing device 2 is placed in the storage position, the operation of the dust loading device is disabled. However, the operation is not limited to the trash loading device, and the operation of the discharge plate is not limited. The operation may also be disabled.

Further, the limit switch LS1 may be provided inside the dust bin 1 so as to detect when the trash container reversing device 2 is located at the storage position.

The limit switch LS1 switches from the closed state to the open state in a state where the trash container reversing device 2 is disposed in the storage position, and is used when the trash container reversing device 2 is disposed in the storage position. Alternatively, the relay R2 may be demagnetized, the relay switch r2b may be opened, and the dust loading device may be disabled.

[0053]

As described above, according to the present invention, the initial position of the dust container reversing device from the working position to the storage position or from the storage position to the working position is set at the center of rotation of the dust container reversing device. By providing the urging member for assisting the turning operation, the urging force of the urging member is reduced when the garbage container reversing device is rotated from the work position to the storage position or from the work position to the storage position. It works in a direction that assists the turning operation of the reversing device, so that even a heavy trash container reversing device can be easily turned, and the burden on the operator can be reduced.

[Brief description of the drawings]

FIG. 1 is a side view showing a garbage container reversing device of a refuse collection vehicle according to the present invention.

FIG. 2 is an enlarged side view showing a trash container reversing device of the refuse collection vehicle.

FIG. 3 is a perspective view showing a trash container reversing device of the refuse collection vehicle.

FIG. 4 is an enlarged side view showing the trash container reversing device disposed at a storage position.

FIG. 5 is a plan view showing an arrangement state of an urging member interposed at a rotation center portion of the trash container reversing device.

FIG. 6 is a side view as viewed in the direction of arrow A in FIG. 5;

7 is a side view as viewed in the direction of arrow B in FIG. 5;

FIG. 8 is an electric circuit diagram including a detector for detecting a position of the trash container reversing device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 garbage input box 11 input port (input opening) 2 trash container reversing device 3 base 4 operating arm 5 reversal auxiliary arm 6 support base 7 upper locking piece 8 lower locking piece 9 spring (biasing member) 100 first Securing member 110 Second securing member

Continuation of the front page (72) Inventor Hiroshi Tokunaga 3-2-43 Shirite, Tsurumi-ku, Yokohama-shi, Kanagawa Prefecture Inside the Specially-equipped Vehicle Division, Shin-Meiwa Industry Co., Ltd. (72) Inventor Toshiyuki Tanaka 3-1-2 Shirite, Tsurumi-ku, Yokohama-shi, Kanagawa No. 43 Shin-Meiwa Industry Co., Ltd. Special Equipment Vehicle Division (72) Inventor Shunsuke Nakatsu 3-4-2 Shirite, Tsurumi-ku, Yokohama-shi, Kanagawa Prefecture Shin-Meiwa Industry Co., Ltd. Special Equipment Vehicle Division (72) Inventor Koichi Makihata Kanagawa Prefecture 3-2-43 Shirite, Tsurumi-ku, Yokohama Shin-Meiwa Industry Co., Ltd. Special Vehicle Department (72) Inventor Daisuke Shibuya 3-43 Shirite, Tsurumi-ku Yokohama-shi, Kanagawa Prefecture Shin Meiwa Industry Co., Ltd. 56) References JP-A 5-270605 (JP, U) JP-A 63-151406 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) B65F 3/00-3/28

Claims (3)

(57) [Claims] 1. A dust collection vehicle provided with a dust loading box provided with a dust loading device at a rear opening of a dust loading box mounted on a vehicle frame, wherein a lower edge of an input opening of the dust loading box is provided. the garbage vessel reversing apparatus set to inject dust within the dust container is inverted while lifting while holding the trash receptacle to the dust-up box
Vignetting, the waste vessel reversing apparatus, a working position projecting disposed behind the dust-up box, in the input opening of the dust-on box
Rotatably provided at the storage location storing arrangement Rutotomo
To, to the rotation center portion of the dust container reversing device, or from the storage position to the retracted position from the working position of the dust container reversing device
A trash container reversing device for a refuse collection vehicle, wherein a biasing member for assisting an initial turning operation to a working position is provided. 2. The refuse container reversing device according to claim 1, wherein the refuse container reversing device includes a base rotatably supported by a lower end edge of an input opening of the refuse input box, an operation arm having one end pivotally supported by the base, and A reversing auxiliary arm, a support base on which the other ends of the operation arm and the reversing auxiliary arm are pivotally supported, an upper locking piece and a lower locking piece provided on the upper and lower sides of the support table and capable of being disengaged from the trash container. The garbage container reversing device for a refuse collection vehicle according to claim 1, comprising: 3. The garbage container reversing device is provided with a first securing member that secures at the working position and a second securing member that secures at the storage position. Garbage container reversing device for garbage trucks.