JPH0656201A - Inversion device of dust container box - Google Patents

Abstract

PURPOSE:To facilitate the installation of a dust collecting box in a dust collecting vehicle at its chute port. CONSTITUTION:This inversion device is provided with right and left column frames 1 which are installed to both the edge parts of the dust chute port receiving base 8 of a dust collecting vehicle B, left and right inversion arms 2 which are pivoted to the upper edge parts of the right and left column frames 1, locking brackets which are provided at the insides of the respective right and left inversion arms 2, and hooks 4 which are formed at the respective inversion arms 2 so as to be rotated, and fixed at a pin journaled slidably and so that the pivoted shaft of the dust container box may be locked by the locking bracket. Besides, it is constituted of an inversion bar 7 which is journaled between the free edges of the right and left inversion arms 2, a cylinder which is disposed between the right and left column frames 1, a chain whose one edge is tightly jointed with a stationary member, middle part is wounded around a chain sprocket mounted on the piston rod of the cylinder and a chain sprocket mounted on the other component parts in order, and other edge is tightly jointed with the right and left hooks 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dust container box reversing device for throwing dust in a dust container box into a dust throwing box of a garbage truck.

[0002]

2. Description of the Related Art Generally, a dust container box with casters is installed at the end of a road to reduce the labor during dust collection work and improve work efficiency. A worker moves the container box to the dust input port side of the dust input box of the dust collection vehicle, and turns the container box over the input port to throw the dust into the dust input port.

Therefore, in a dust collection vehicle of the type that collects dust stored in the dust container box, the dust container box is inverted and the dust inside is thrown into the dust throwing box of the dust truck. Equipped with a dust container box reversing device for.

Conventionally, as a reversing device for a dust container box of this type, as shown in FIG. 9, brackets (b) are provided on both side frames (a) of the dust dumping port of a dust truck (only one side is shown). A reversing cylinder (d) is mounted between the reversing arm (c) pivotally attached to one end of the bracket (b) and the other end of the bracket (b), and the inside of the upper part of the reversing arm (c) is mounted. A hook (g) having a locking coil spring (f) is pivotally attached to a locking bracket (e) provided on the above, and a reversing bar (h) is mounted between the free ends of the left and right reversing arms (c). The hook (g) is manually closed to lock the fulcrum shaft (j) of the dust container box (i) to the locking bracket (e) by the hook (g), and then the reversing cylinder. (D) is operated to turn the reversing arm (c) When the dust container box (i) is pivoted in the direction, the dust container box (i) is forcibly rotated upward by the reversing bar (h) with the fulcrum shaft (j) as a fulcrum to be housed in the dust container box (j). There is a device that reverses the existing dust while discharging it into the input port of the dust input box of the dust collection vehicle.

[0005]

In the conventional dust container box reversing device, the fulcrum of the hook (g) for locking the fulcrum shaft (j) of the dust container box (i) is in a fixed position, while Dust container box (i)
There are many types of dust container boxes (i)
Since the fulcrum shaft (j) has a different height depending on the type, when it is attached to the input port of the dust throwing box at the rear of the dust collecting vehicle, it must be attached corresponding to each dust container box (i), In addition, it was necessary to align and install the lenses symmetrically, which was very troublesome to install. Moreover, since the mounting position of the dust container box (i) is different for each dust container box (i), it is necessary to properly use the dust collecting vehicle depending on the type of the dust container box (i), and the dust collecting work is extremely complicated. However, there was a problem that the work efficiency also deteriorates.

Further, the conventional reversing device for the dust container box requires two reversing cylinders (d), one on the left and one on the right, and the fulcrum shaft (j) of the dust container box (i) is locked. In order to mechanically open and close the hook (g), two additional cylinders for opening and closing the hook (g) are required in addition to the two reversing cylinders (d), so the structure is extremely complicated. Therefore, there is a problem that the manufacturing cost becomes high.

[0007]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and is a left and right support frame attached to both ends of a dust input port cradle of a dust collecting vehicle. And left and right reversing arms pivotally attached to the upper ends of the left and right support frames, locking brackets provided inside the left and right reversing arms, and rotatable and slidable on the respective reversing arms. A hook fixed to a pin shaft mounted on the shaft and adapted to lock the pivot shaft of the dust container box by the locking bracket, and a reversal mounted between the free ends of the left and right reversing arms. Bar and
A cylinder arranged in the middle of the left and right strut frames, and a chain sprocket having one end fixed to a stationary member and the middle of which is mounted on the piston rod of the cylinder and a chain sprocket mounted on other constituent members. (EN) A reversing device for a dust container box, which is composed of a chain which is sequentially wound and whose other end is fixed to the left and right hooks.

[0008]

[Operation] Since the pin shaft, which is the fulcrum of the hook, is configured to slide, it can be locked even if the height of the pivot shaft of the dust container box is different. The reversing device itself can be pre-produced in the same way, and it is very easy to attach to the dust input port of the dust input box of the dust collection vehicle. Since it can also be used for the dust container box, it is not necessary to properly use the dust collecting vehicle depending on the type of the dust container box, and the dust collecting operation is convenient and the work efficiency is extremely good.

Further, since the pivot of the dust container box is locked and the dust container box is reversed, it is not necessary to use a plurality of cylinders as in the conventional case. Since a device having a simple structure can be obtained and the cylinder can be arranged between the left and right support frames, the entire device can be made extremely compact and damage accidents due to obstacles can be prevented.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the dust container box reversing device of the present invention will be described below with reference to the drawings.

1 to 3, (A) is a reversing device for a dust container box according to the present invention, which is attached to an input port of a dust input box (C) behind a dust collection vehicle (B). There is. That is, as shown in FIGS. 4 to 7, the left and right column frames (1) attached to both ends of the insertion port pedestal (8) and the upper ends of the left and right column frames (1) are pivotally attached. Left and right reversing arms (2), a locking bracket (3) fixed to the inside of each reversing arm (2), and a hook (4) pivotally attached to an intermediate portion of the reversing arm (2),
Auxiliary frame (9) arranged between the left and right column frames (1)
Between the left and right reversing arms (2) and the chain (6) that rotates the hook (4) and the reversing arm (2) by the operation of the cylinder (5). It consists of an inverted bar (7) mounted.

The pillar frame (1) has an upper end formed of two plates (11) and (11), and a plurality of chain sprockets (12) are provided between the two plates (11) and (11). ) Are rotatably installed.

The reversing arm (2) is made of a light square steel material having a hollow inside, and the upper end portion thereof is a column frame (1).
The plates (11) and (11) are pivotally attached to each other via a pivot shaft (13), and a pin shaft (14) is rotatably mounted in the middle and slidable along a rail (not shown). It is set up. Stoppers for restricting the slide of the pin shaft (14) are attached to the upper and lower ends of the rail and the like.

The pin shaft (14) is projected through the inside of the reversing arm (2), and the base end of the hook (4) is fixed to the tip thereof.

One end of the locking bracket (3) is fixed to the inside of the reversing arm (2), and the other end of the locking bracket (3) is L-shaped so that the fulcrum shaft (15) of the dust container box (D) abuts. The contact piece (3a) is bent.

The hook (4) is rotatably and slidably mounted on the reversing arm (2) and has a base end fixed to a pin shaft (14) projecting through the reversing arm (2). And the tip portion is abutting piece (3
Dust container box (D) when abutted against a)
Is formed in a hook shape so as to be able to hold a gap for holding the fulcrum shaft (15).

The cylinder (5) is attached to an auxiliary frame (9) arranged between the left and right column frames (1),
A chain sprocket (16) is rotatably mounted on the tip of the piston rod (5a).

One end of the chain (6) is fixed to a part of the auxiliary frame (9), and the middle is mounted on the tip of the piston rod (5a) of the cylinder (5). ), A chain sprocket (17) mounted on the auxiliary frame (9) and a plurality of chain sprockets (12) mounted between the two plates (11) (11) of the support frame (1), respectively. Wrapped around one after another,
The other end is fixed to a link (18) fixed to the other end of the pin shaft (14).

The reversing bar (7) has both ends fixed between the free ends of the left and right reversing arms (2), and the roller (1
9) is rotatably installed.

The structure of the dust container box reversing device according to the embodiment of the present invention has been described above. Next, the operation of the embodiment of the dust container box reversing device according to the present invention having the above structure will be described.

First, the fulcrum shaft (15) of the dust container box (D) is brought into contact with the locking bracket (3).

Next, the cylinder (5) is operated to retract the piston rod (5a), and the chain sprocket (16) mounted at the tip of the piston rod (5a) moves the chain (6) Pull a part in a U shape. As a result, the chain (6) pulls the pin shaft (14) via the link (18), the pin shaft (14) is pulled up along the rail, and the hook (4) also rises accordingly. Then, when the chain sprocket (16) pulls a part of the chain (6) into a U-shape by the operation of the cylinder (5), the pin shaft (14) hits a stopper attached to the upper end of the rail or the like. The pulling up is stopped by contact.
However, even if the pull-up of the pin shaft (14) is stopped by the stopper, the link (18) continues to be pulled by the chain (6) and therefore rotates. As a result, the hook (4) pivots upward with the pin shaft (14) as a fulcrum, and the tip of the hook (4) abuts the contact piece (3) of the locking bracket (3).
It is abuttingly locked to the upper end of a), so that the hook (4) locks the pivot shaft (15) of the dust container box (D) to the locking bracket (3). Further, when the chain sprocket (16) is continued to pull a part of the chain (6) into a U-shape by the operation of the cylinder (5), the hook (4)
Since the tip end of this is abuttingly locked to the upper end of the contact piece (3a) of the locking bracket (3), it is pulled to the reversing arm (2) via the link (18) and the pin shaft (14). A force acts, and the pulling force causes the reversing arm (2) to pivot (13).
Is rotated upward with the fulcrum as a fulcrum. As a result, the dust container box (D) is forcibly turned upward by the reversing bar (7) about the pivot shaft (15) as a fulcrum, and the dust contained in the dust container box (D) is removed. The dust collection vehicle (B) is turned over while discharging the dust into the dust throwing port of the dust throwing box (C).

After that, the cylinder (5) is operated to project the piston rod (5a), and the chain sprocket (16) mounted on the tip of the piston rod (5a) pulls the chain (6). When loosened, the reversing arm (2) is rotated downward by the weight of the dust container box (D), which also rotates the dust container box (D) downward and descends to the ground. When the piston rod (5a) is projected by the operation of 5), the pin shaft (14) is rotated and the hook (4) is rotated downward, so that the hook (4) is moved to the dust container box (D). Of the pin shaft (1) by releasing the locking of the pivot shaft (15) of the pin shaft (1) and then further operating the cylinder (5) to project the piston rod (5a).
4) is lowered along the rail and the like, and the lower end of the rail is brought into contact with a stopper attached to the portion to prevent the descent.

According to the above embodiment, since the pin shaft (14) which is the fulcrum of the hook (3) slides up and down, the height of the pivot shaft (15) of the dust container box (D) is increased. It can be locked even when the dust container box is different, which eliminates the need to attach according to the type of dust container box (D), and throws the dust in the dust throwing box (C) of the dust truck (B). It is very easy to attach to the mouth, and it can be used for any type of dust container box (D), and it is necessary to properly use the garbage truck depending on the type of dust container box (D) as in the past. Is eliminated, and it is convenient for dust collection work, and the work efficiency is extremely good.

Further, since it is possible to lock the pivot shaft (15) of the dust container box (D) and invert the dust container box (D) with one cylinder (5), it is possible to perform the conventional method. Since it is not necessary to use a plurality of cylinders, a device having a simple structure can be obtained, and further, the cylinder (5) can be arranged in the auxiliary frame (9) provided between the left and right column frames (1), The entire device becomes very compact, and damage accidents due to obstacles can be prevented.

The present invention is not limited to the above embodiment, but the cylinder (5) may be mounted in the insertion port pedestal (8).

If the height of the pivot shafts (14) is substantially the same even if the dust container box (D) is of one type or the dust container boxes (D) are of different types, the pin shaft ( The slide of 14) may be fixed.

Further, a locking confirmation mechanism (not shown) for the pivot shaft (15) of the dust container box (D) is provided on the reversing arm (2), and this locking confirmation mechanism allows the dust container box (D) to move. If the locking of the pivot shaft (15) is not confirmed, it is possible to prevent the reversing arm (2) from rotating.

[0029]

According to the present invention, it is possible to lock the dust container box even if the pivot shafts of the dust container box have different heights. Therefore, depending on the type of the dust container box, the dust can be thrown into the dust collecting vehicle. Since it is not necessary to attach it to the box input port, the reversing device itself can be pre-produced in the same way, the installation is very simple, and it can be used for any type of dust container box. The work efficiency is remarkably good because it is convenient for collecting dust.

Further, since the pivot of the dust container box can be locked and the dust container box can be reversed with only one cylinder, the structure is very simple, and the cylinder is left and right. Since it is arranged in the middle of the support frame, the entire device becomes very compact and damage accidents due to obstacles and the like can be prevented.

[Brief description of drawings]

FIG. 1 is a rear side view of a refuse collection vehicle equipped with a reversing device for a dust container box according to the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a rear view of FIG. 1.

FIG. 4 is a side view of the reversing device for the dust container box according to the present invention.

5 is a front view of FIG. 4 (however, a reversing arm and a reversing bar are omitted).

FIG. 6 is a plan view of FIG.

FIG. 7 is a perspective view of the left side portion of the device of the present invention.

FIG. 8 is an explanatory diagram showing the operation of the device of the present invention.

FIG. 9 is a perspective view illustrating a conventional dust container box reversing device.

[Explanation of symbols]

 A Dust container box reversing device B Dust collection vehicle C Dust input box D Dust container box 1 Strut frame 2 Inverting arm 3 Locking bracket 4 Hook 5 Cylinder 6 Chain 7 Inversion bar 8 Inlet cradle 9 Auxiliary frame 11 Plate 12 Chain Sprocket 13 Axis 14 Pin Axis 15 Dust Container Box Axis 16 Chain Sprocket 17 Chain Sprocket 18 Link

[Procedure amendment]

[Submission date] September 2, 1992

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0008

[Correction method] Change

[Correction content]

Since the pin shaft, which is the fulcrum of the hook, is configured to slide, the dust container box can be locked even if the pivot shaft of the dust container box has a different height. gets rid necessary to attach in response to, together can be the same preceding produce reversing device itself is very easy to install into dust inlet dust turned boxes refuse collection vehicles, moreover, any Since it can be used for various types of dust container boxes, it is no longer necessary to use different garbage trucks depending on the type of dust container box,
It is convenient for dust collection work and has extremely good work efficiency.

Claims (1)

[Claims] 1. A left and right support frame attached to both ends of a dust input port pedestal of a refuse collection vehicle, left and right reversing arms pivotally attached to upper ends of the left and right support frames, and the left and right reversing arms. An engagement bracket provided inside the arm and a pin shaft rotatably and slidably mounted on each of the reversing arms are fixed to the pivot arm of the dust container box by the engagement bracket. A hook adapted to be locked, a reversing bar mounted between free ends of the left and right reversing arms, a cylinder arranged in the middle of the left and right support frames, and one end fixed to a stationary member. , The middle of which is sequentially wound around the chain sprocket mounted on the piston rod of the cylinder and the chain sprocket mounted on other components, and the other ends of the chain sprocket. Reversing device for the dust container box, which consists of a chain fixed to the rack.