JPH0775423A - Grass-collecting container of grass-mowing and collecting work machine - Google Patents

Abstract

PURPOSE:To facilitate the dropping discharge of mowed lawn grasses, etc., from a grass-collecting container by making up the grass-collecting container for the lawn grasses with a pair of specific container half bodies. CONSTITUTION:A grass-collecting container is made up with a pair of container half bodies 22a, 22a having the same shape, respectively, and the longitudinally short side wall part 22c of the lower container half body and the longitudinally long side wall part 22b of the upper side container half body are placed at the rear side part of the container. When the grass-collecting container is lifted and dumped to drop and discharge the grasses, etc., the lower side wall part 22c easily exceeds its angle of repose.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is mounted on the lower abdomen of a traveling vehicle such as a tractor or the front portion of the traveling vehicle.
The present invention relates to a grass collecting container used for a mowing and grass collecting working machine having a working machine for mowing grass and the like.

[0002]

2. Description of the Related Art In a mowing and collecting work machine such as a front mower attached to the front part of a tractor, grasses cut by the mower are collected by a blower into a grass collecting container, and the grass collecting container is lifted and dumped. A device for dropping and discharging grass, etc. is well known.

[0003]

SUMMARY OF THE INVENTION According to the present invention, a grass collecting container for grass or the like is constructed by a pair of specially constructed container halves to reduce the manufacturing cost, and moreover, the grass collecting container is used to cut grass or the like. It is intended to make it easier to drop and discharge.

[0004]

In order to solve the above-mentioned problems, the present invention takes the following technical means. That is, the grass collecting container 22 is attached to the mowing and collecting work machine so as to be freely liftable and dumpable, and the grass collecting container 22 is formed of a pair of container halves 22a and 22a.
2a and 22a have a half-box shape in which one side wall in the front-rear direction is a deep vertically long side wall portion 22b extending substantially in the vertical direction and a side wall on the other side in the front-rear direction is a shallow vertical short side wall portion 22c. The grass container 22 is composed of a pair of container halves 22a, 22a.
In constructing the above, the opening portions of both parts are opened with the vertically short side wall portions 22c of the lower container half body 22a positioned on the rear side and the vertically long side wall portions 22b of the upper container half body 22a positioned on the rear side. In addition, the grass collecting container 22 is configured such that the front end portions of the two container halves 22a and 22a are freely opened and closed by a hinge 30 to form a grass collecting container 22. .

[0005]

A vertically long side wall portion 2 which is connected to a mowing and grass collecting machine and has one side wall in the front-rear direction extending substantially vertically.
2b and a pair of half-box-shaped container halves 22 each having a shallow vertical short side wall portion 22c inclined on the other side wall in the front-rear direction
Grass and the like cut by the mower 12 are stored in the grass container composed of a and 22a. Then, the mowing and grass collecting machine has a vertical short side wall portion 22c of the lower container half 22a.
Is located on the rear side, and the vertically long side wall portion 22b of the upper half container 22a is located on the rear side, the openings of both parts are connected to each other so that the grass container container 22 is lifted. When the upper container half 22a is dumped and the upper container half 22a is rotated upward to open, the vertical short side wall portion 2 of the lower container half 22a is opened.
2c easily exceeds the angle of repose, and the grass or the like accumulated on the rear side of the grass container 22 is exposed, and the grass or the like is easily dropped and discharged.

[0006]

Embodiments of the present invention shown in the drawings will be described below. First, based on FIGS. 1 to 3, the overall configuration of the mowing and grass collecting working machine will be described. Reference numeral 1 denotes a traveling vehicle such as a tractor, which has front wheels 2 and 2 having large diameters and rear wheels 3 and 3 having small diameters, and is a front-wheel drive type vehicle which normally drives only the front wheels 2 and 2 to travel. The wheels 3, 3 are steering wheels, and when the steering handle 4 is turned, the rear wheels 3, 3 are steered.

A steering post 5 is provided at the front of the machine body, and a seat 6 and a step 7 are provided behind the steering post 5. This step 7 is constructed integrally with a fan 8 that covers the front wheels 2, 2. A box-shaped bonnet 9 is provided behind the seat 6, and an engine (not shown), a fuel tank (not shown), and the like are provided in the bonnet 9, and a front ventilation part of the bonnet 9 is provided. The sucked outside air flows through the bonnet 9 to cool the engine and the like, and is discharged from the rear ventilation section to the outside of the machine.

At the front side of the machine body, a mower 12 is attached to a link mechanism 11 that rotates up and down as the work machine cylinder 10 expands and contracts. The mower 12 includes a mower housing 13 that is open at one side below and on the left and right sides, and
A plurality of mowing devices (not shown) are arranged in parallel in the left-right direction and rotate about the vertical axis. A cylindrical shooter 17 is connected to the outlet formed on the right lateral side of the mower housing 13. A mower (not shown) for the mower 12 is rotationally driven by a mower hydraulic motor 15 mounted on the top of the mower housing 13. A blower 18 for suction is connected to the rear end of the shutter 17, and the blower 18 is a hydraulic motor for the blower.
Driven by the motor 19.

Next, the grass container 22 and its lift / dump device will be described. The grass collection container 22 is configured in a box shape made of a thin plate, and has a cylindrical body continuously connected to the discharge side of the blower 18 at the opening provided on the upper right side of the grass collection container 22. The upper ends of 24 are superposed and communicated. The lower part of the grass container 22 is supported by a parallel link 25, and the parallel link 25 is lifted and lowered by a lift cylinder 26 to lift the grass container 22. Further, the grass container 22 is a dump cylinder. 27 is a structure that can be rotated upward and rearward about the lower rear side,
When the dump cylinder 27 extends, the grass container 22 is rotated upward and rearward, and the grass and the like are dropped and discharged.

Next, the grass container 22 will be described with reference to FIGS. 1, 3 and 4. Container halves 22a of the same shape,
The opening of 22a is superposed to form a box shape, and this container half 22a has the structure shown in FIG. That is, one side in the longitudinal direction which is the front-rear direction is formed, a deep vertically long side wall portion 22b extending substantially vertically and the other side in the vertical direction are formed, and a shallow vertically short side wall that is gently inclined. It is composed of a portion 22c, a bottom wall 22d that connects the lower end of the vertically long side wall portion 22b and the lower end of the vertically short side wall portion 22c, left and right side walls 22e and 22f, and an opening overlapping portion 22g having a thick wall. Then, the container halves 22a, 22a are connected to the opening overlapping portion 22g,
22g, the opening overlapping portions 22g, 22g are inclined so that the front is high and the rear is low as shown in FIG. 1, and the vertical short side wall portion 22c is positioned on the rear side of the lower container half 22a. In this state, the front ends of both opening overlapping portions 22g, 22g are openable and closable by a hinge 33.

Although not shown in the drawing, a large number of small holes for removing the air blown from the blower 18 are formed in the rear half of the container halves 22a, 22a constituting the grass container 22. ing. In forming the large number of small holes, the container half 22a is integrally formed of an iron plate and a synthetic resin plate, and small holes are formed in the container half 22a, or the container half 22a is formed of a synthetic resin and an iron plate. Alternatively, a plate having a large number of small holes may be separately configured and attached to the opening of the container half 22a. Further, in this embodiment, as shown in FIGS. 1 and 3, the tubular body 24 connected to the blow-out side of the blower 18 is composed of a plurality of tubular bodies so that the tubular body 24 can expand and contract. The grass container 2 has a configuration in which the upper end portion is configured separately, the upper portion of the upper tubular body is bent, and the tubular body is rotated about an axis in the longitudinal direction.
It may be configured to be detachable from the second connecting portion. When the grass container 22 is composed of the pair of container halves 22a, 22a, the vertically long side wall portion 2 of one container half 22a is used.
2b and the vertical short side wall portion 22c of the other container half body 22a are opposed to each other to form the grass collection container 22, and one vertical side wall portion 22a of the grass collection container 22 configured in this way is opposed.
Also, the vertical short side wall portion 22c portion may be lower, and the vertical direction of the container halves 22a, 22a may be along the vertical direction to be supported by the support frame 31, or the pair of container halves 22.
The vertical short side wall portions 22c and 22c of a and 22a face each other to form the grass container 22, and the vertical short side wall portion 22c corresponding to the grass container 22 is made lower, and the vertical length of the container half 22a is set. It may be configured to be supported by the support frame 31 along the vertical direction.

The grass container 22 composed of the container halves 22a and 22a is connected to the parallel lift 25 through the support frame 31 which can be rotated in the vertical direction by the dump cylinder 27, and the lift cylinder The grass container 22 is lifted by the extension of 26, and one end of the open / close rod 32 is connected to the upper end of the support frame 31 to open / close the open / close rod 3.
The other end of 2 is connected to the opening overlapping portion 22g of the upper container half 22a. Therefore, due to the extension of the dump cylinder 27, the grass container 22 is rotated around the lower part of the rear side to be dumped, and in connection with this, the upper container half 22a is rotated upward and opened. The rod 32 is the grass container 22.
Also doubles as a locking device when closing. In addition, instead of opening and closing the grass container 22 by the open / close rod 32, as shown in FIG. 5, one end of the wire 33 is connected to a middle portion of the support frame 31, and is connected to the base of the upper container half 22a. With the guide roller 34 provided on the bottom wall 22d of the lower half container 22a,
The wire 33 may be guided and supported, and the container halves 22a and 22a may be opened and closed in association with the lift of the grass container 22.

With this construction, if the container halves 22a, 22a, ... Are successively fitted into the openings, a large number of container halves 22a, 22a ,. . Further, when the grass container 22 is configured by the container halves 22a and 22a as described above, as shown in FIG. 1, the vertically short side wall portions 22c of the lower container half 22a, which are gently inclined, and Since the vertically long side wall portions 22b along the substantially vertical direction of the upper half container 22a are located on the rear side together, the grass container 22 is lifted and dumped,
When dropping and discharging grass or the like, even if the turning range of the dump is small, the inclination angle of the lower vertical short side wall portion 22c easily exceeds the angle of repose, and the vertical long side wall portion of the upper container half 22a. Two
When 2b is opened, the grass or the like accumulated on the rear part of the grass container 22 is largely exposed from the lower part of the grass container 22.
The grass accumulated in the rear part of the grass container 22 is fed from the front side to the rear side and accumulated, and the density increases toward the rear side. Discharging is facilitated, and the entire drop and discharge of grass etc. is promoted.

Next, FIGS. 6 and 7 will be described. FIG. 6 shows a conventional device, in which 1 is a traveling vehicle, 3 is a rear wheel, 12 is a mower, 13 is a mower housing, and 17 is a shoe.
, 18 is a blower, 19 is a blower hydraulic motor, 20 is a gear pump, 35 is an oil tank, 36 is a blower valve, 37
Is a transmission device for transmitting power from the blower hydraulic motor 19 to the blower 18. The gear pump 20, the oil tank 35, the blower valve 36, and the blower hydraulic motor 19 are connected by a group of pipes 37.

In such a conventional apparatus, the blower hydraulic motor 19 and the oil tank 35 are separately arranged on both left and right sides of the machine body, and a long pipe 37 is required between them. . However, if the blower 18 rotates due to inertial force during work, cavitation may occur and pressure loss due to long piping may occur. Therefore, as shown in FIG. 7, the oil tank 35 and the blower valve 36 are rearranged in the bonnet 9 on the right side of the machine body so as to be arranged near the blower hydraulic motor 19. With this configuration, the length of the pipe group can be shortened and the drawbacks of the conventional device can be eliminated.

Next, FIG. 8 will be described. Figure 6 above
In the conventional apparatus, the blower hydraulic motor 19 drives the blower 18 via the belt transmission device. However, in this embodiment, the blower hydraulic motor 1 is attached to the rotary shaft 18a of the blower 18.
Since 9 is directly connected, the transmission relationship can be simplified. Further, the rotating shaft 18a of the blower 18 may be arranged in the traveling direction of the machine body instead of this embodiment.

Next, the operation of the embodiment shown in FIGS. 1 to 4 will be described. When performing grass cutting work on grass or the like, first, turn on the blower on switch (not shown) to rotate the blower hydraulic motor to rotate the blower 18, and then to cut the grass on and off. (Omitted) is turned on to rotate the mower hydraulic motor 15 to rotate the mower 12. Then, the working machine valve 29 is operated to the raised position or the lowered position, and the mower 12 is moved up and down to perform the mowing work.

When the grass is cut off by the mower 10,
The cut grass is sent into the grass container 22 by the wind generated by the rotation of the mower 10 and the suction force of the blower 18, and when the grass container 22 becomes full, the mower 12 and the blower 18 are rotated. Stop and move to discharging grass. That is, the traveling vehicle 1 is moved to a discharge place for turf or the like, a lift-in switch (not shown) is turned on, the parallel link 25 is raised, the grass container 22 is lifted, and then a dump-in switch (illustrated). When (Omitted) is turned on, as shown in FIG.
When the dump cylinder 27 extends and the grass container 22 is rotated around the lower rear side and dumped, the rear part of the upper container half 22a is pushed upward by the opening / closing rod 32 in association with this and opened. However, grass and the like are dropped and discharged.

In this way, the grass and the like are discharged, but the grass container 22 is composed of container halves 22a and 22a, and after being lifted by the parallel link 25, the dump cylinder 27 is extended. When the grass collection container 22 is dumped by, the upper container half 22a of the grass collection container 22 is moved to the lower container half 22a by the opening / closing rod 32 as shown in FIG.
Is pushed further upward than the container half 22a,
The openings 22a are opened, so that grass or the like is dropped and discharged. At the time of this drop discharge, the vertically short side wall portions 22c of the lower container half 22a and the vertically long side walls 22b of the upper container half 22a, which extend along the substantially vertical direction, are both moved rearward. Since it is located, even if the dumping range is small, the inclination angle of the lower vertical short side wall portion 22c easily exceeds the angle of repose, and the grass or the like can be easily dropped. When the vertically long side wall portion 22b of the container 22a is opened, the grass and the like accumulated on the rear side of the container halves 22a and 22a are largely exposed and the grass and the like of the container halves 22a and 22a are exposed from the front side. Combined with the fact that the density of the rear side portion is increased as it is sent to the side, the drop discharge of the rear grass etc. is promoted, and the entire discharge becomes easy.

[0020]

As described above, the present invention provides the grass container 2
2 can be configured by a pair of container halves 22a, 22a having the same shape, the manufacturing cost is low, and the grass container 2
In the rear part of the container 2, the lower container half 22a has a vertical short side wall 22c inclined toward the rear side, and the upper container half 22a has a vertical long side wall 22b. When the grass container 22 is lifted and dumped to drop and discharge grass and the like, the lower vertical short side wall portion 22c easily exceeds the angle of repose and the exposed exposure of grass and the like accumulated on the rear side is easy. As a result, it becomes easier to drop and discharge grass and the like.

[Brief description of drawings]

1] Overall side view

[Figure 2] Overall rear view

[Fig. 3] Overall side view

FIG. 4 is a perspective view

FIG. 5 is a side view of the main part.

FIG. 6 is a plan view showing a conventional device.

FIG. 7 is a plan view.

FIG. 8 is a plan view.

[Explanation of symbols]

 1 Running Vehicle 2 Front Wheel 3 Rear Wheel 4 Steering Handle 5 Steering Post 6 Seat 7 Step 8 Fender 9 Bonnet 10 Work Machine Cylinder 11 Link Mechanism 12 More 13 Mower Housing 17 Shooter 18 Blower 19 Blower Hydraulic Motor 20 Gear Pump 22 Grass container 22a Container half 22b Vertically long side wall 22c Vertical short side wall 22d Bottom wall 22e Left side wall 22f Right side wall 22g Open overlapping part 24 Cylindrical body 25 Parallel link 26 Lift cylinder 27 Dump cylinder 29 Working machine valve 30 Hinge 31 Support Frame 32 Open / close rod 33 Wire 35 Guide roller 35 Oil tank 36 Blower valve 37 Piping

Claims (1)

[Claims] 1. A grass collecting container 22 is attached to a mowing and grass collecting machine so as to be freely liftable and dumpable, and the grass collecting container 22 is formed by a pair of container halves 22a, 22a. , 22a have a half-box shape in which one side wall in the front-rear direction is a deep vertically long side wall part 22b extending substantially vertically and the other side wall in the front-rear direction is a shallow vertical short side wall part 22c. In constructing the grass container 22 with the container halves 22a and 22a, the vertical short side wall portion 22c of the lower container half 22a is located on the rear side and the upper container half 2 is
With the vertically long side wall 22b of 2a positioned on the rear side, the openings of both parts are aligned, and the two container halves 22a, 22a
A grass collecting container for a mowing and grass collecting machine, in which a front end of the grass is opened and closed by a hinge 30 to form a grass collecting container 22.