JPH0214347Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a grass clippings discharging device for a working machine.

<Conventional technology> A mower is installed at the front of the vehicle body of a small tractor, etc.
A grass-collecting device equipped with a grass-collecting section such as a grass-collecting bag or a grass-collecting container at the rear of the vehicle body, and the grass clipped by a mower is sent to the grass collecting section by a blower and stored in the grass collecting section. Grass collecting machines have already been proposed and put into practical use.

This work machine can collect grass clippings immediately after mowing work, and there is less grass clippings left behind.
It is convenient for mowing lawns.

By the way, when discharging the grass clippings inside the grass collector, open the lid that opens and closes the discharge port of the grass collector.
Discharge the grass clippings from the outlet.

Conventionally, although the grass clippings are stored in a compressed state inside the grass collection section by being fed by a blower, the grass clippings are not released when the discharge port is opened. There was no mechanism for pushing it out to the exit side.

<Problems to be solved by the invention> Therefore, with the above-mentioned conventional working machines, the grass clippings cannot be easily discharged from inside the grass collecting section, and when the grass clippings are discharged,
The worker went out of his way to get out of the tractor driver's seat,
The grass clippings had to be removed from the grass collection section, which was extremely troublesome.

SUMMARY OF THE INVENTION An object of the present invention is to provide a grass clippings discharging device for a working machine that can easily discharge clipped grass from a grass collecting section.

<Means for Solving the Problems> In order to achieve the above object, the present invention is characterized in that the mowed grass inside the grass collecting portion 29 is removed from the grass collecting portion 29 in conjunction with the opening of the lid 34. It is provided with an extrusion mechanism 52 that extrudes toward the discharge port 35 side.

<Function> According to the present invention, the grass clipped during work is stored in the grass collection section 29.

After the work is completed, when the lid 34 of the grass collecting section 29 is opened, the extrusion mechanism 52 is operated in conjunction with this, and the grass clippings inside the grass collecting section 33 are pushed out to the discharge port 35 side.

<Example> Hereinafter, an example of the present invention will be described in detail based on the drawings.

2 and 3 show a reaping machine in which a front mower 3 is attached to the front part of a tractor 1, which is shown as an example of a traveling vehicle, via an attachment device 2. It is a grass collecting machine.

The tractor 1 has front wheels 4 and rear wheels 5, and a vehicle body 6.
A steering handle 7 is provided upright in the front part of the vehicle, and a driver's seat 8 is arranged behind the steering handle 7. Engine 9
is provided at the rear of the vehicle body 6, and a clutch housing 10 and a transmission case 1 are provided in front of the engine 9.
1st class is placed. 12 is a fuel tank.

A bonnet 13 covers the engine 9, a radiator 14, etc. disposed behind it.

As shown in FIG. 4, the mower 3 has a mower deck 15. A cutter shaft 16 is rotatably supported at the center of the width direction and on both left and right sides of the deck 15, and a rotary cutter 17 is fixed to the lower end. It is set up.

The left and right cutter shafts 16 are rotatably provided in a bearing case 18 via bearings 19, and have a lower end thereof.
The cutter 17 is detachably fixed by a right-handed mounting bolt 20.

Further, an interlocking pulley 21 is secured to the upper end of the cutter shaft 16 by a left-handed screw nut 22.

A cover 23 covers a mechanism that interlocks the cutter shaft 16. A tool insertion opening 24 is formed above the left and right cutter shafts 16 in the cover 23, and the insertion opening 24 is opened and closed by a lid 25. It is covered freely.

Further, a U-shaped or L-shaped engagement piece 27 is fixedly provided behind each insertion port 24 in the mower deck 15.

Therefore, when attaching and detaching the left and right cutters 17, the lid 25 is removed, the tool 28 is fitted into the nut 22, and the tool 28 is engaged with the engagement piece 27 to prevent rotation, and then the mounting bolt 20 is turned. If the mounting bolts 20 are operated dynamically, the mounting bolts 20 can be easily operated.

Reference numeral 29 denotes a grass collecting section, as shown in Figs. 1, 5 to 7, it consists of a grass collecting bag, a grass collecting container, etc., and is arranged on the rear part of the bonnet 13.
Grass cut by the mower 3 is fed into the grass collecting section 29 via a feeding device 30 and stored therein.

The feeding device 30 includes a blower 31, a duct 32, and the like.

The grass collection section 29 consists of a main body 33 and a lid 34 provided at the rear end.

A discharge port 35 is formed at the rear end of the main body 33 and opens obliquely downward to the rear for discharging the grass clippings inside. A raised portion 36 into which the bonnet 13 is fitted is formed in the center portion of the bottom wall of the main body 33 in the left-right direction.

The lid body 34 opens and closes the discharge port 35, and its upper end portion is pivoted to the upper end portion of the rear end portion of the main body 33 by a left-right support shaft 37.

Reference numeral 38 denotes an operating shaft, which is inserted through the lower end of the front end of the main body 33 in the left-right direction and rotatably supported by support tubes 39 fixed to the left and right side walls of the main body 33.

Reference numeral 40 denotes a fan-shaped fixing plate, which is fixed to the left side support cylinder 39 in a rearwardly projecting manner, and the fixing plate 40 has a locking recess 41 for closing and a locking recess for opening at two places on the upper and lower sides of the rear edge of the fixing plate 40. 42 is formed.

Reference numeral 43 denotes a pair of left and right interlocking cylinders, which are fixed to the left and right end portions of the operating shaft 38 and are interlockingly connected to the left and right side walls of the lid body 34 via a pair of interlocking links 44 and 45. The lid body 34 is opened and closed by the rotation.

47 is an operating lever that rotates the operating shaft 38;
It is composed of an outer cylinder 48, a locking rod 49, a bullet 50, and the like.

The base of the outer cylinder 48 is fixed to the interlocking cylinder 43,
An L-shaped locking rod 49 is inserted into the outer cylinder 48 so as to be movable in the axial direction.

By moving in the axial direction, the locking rod 49 can be freely engaged and detached from the locking recesses 41 and 42 of the fixed plate 40 at its base.
The lid body 3 is placed in a horizontal position as shown in FIG.
4 in the closed position, and an open position in which the lid body 34 is maintained in the open position in an upward tilted position as shown by the imaginary line in FIG. 1. .

The bullet 50 is wound around the locking rod 49 within the outer cylinder 48, and the locking rod 49 is inserted into the locking recesses 41, 42.
is biased in the direction of engagement. 51 is a bullet receiving piece.

The distal end of the locking rod 49 protrudes from the distal end of the outer cylindrical body 48, and by pushing in the locking rod 49, the engagement with the locking recesses 41 and 42 is released.

52 is an extrusion mechanism, which includes a support shaft 53 and an extrusion member 54.
, an interlocking link 55, an interlocking rod 56, etc.

The support shaft 53 is inserted through the upper end of the front end of the main body 33 in the left-right direction and is rotatable.

From the center part in the left and right direction of the support shaft 53 and from both sides,
A bow-shaped extrusion member 54 is provided below. The central extrusion member 54 is made shorter in length than the left and right extrusion members 54 in order to avoid interference with the raised portion 36 of the bottom wall of the main body 33.

The interlocking link 55 is fixed to the left end of the operating shaft 38, and the interlocking rod 56 pivotally supported by the interlocking link 55 is inserted into the elongated hole 57 formed in the extrusion member 54.
It is movably inserted into the.

When the lid 34 is opened using the operating lever 47 via the operating shaft 38 and the interlocking links 44 and 45, the interlocking link 55 rotates and the interlocking rod 56 moves the extrusion member 54. A pushing operation is performed to the rear side, and the grass clippings inside the main body 33 are pushed out to the discharge port 35 side.

According to the embodiment configured as described above, reaping.
During grass collection work, close the lid 34 of the grass collection section 29,
The tractor 1 is moved forward with the cutter 17 and the blower 31 being driven.

Then, the cutter 17 performs a cutting operation, and the feeding device 30 sends the cut grass to the grass collecting section 29 and stores it.

After the work is completed, when the operating lever 47 is rotated from the closed position to the open position to open the lid 34 rearward, the extrusion member 54 of the extrusion mechanism 52 is moved inside the main body 33. The grass clippings are pushed out to the discharge port 35 side.

Therefore, even if the grass clippings are stored in a compressed state inside the grass collecting section 29, the grass clippings can be easily discharged, and the operator has to take the trouble to get off the driver's seat 8 of the tractor and remove the grass clippings from inside the main body 33. There is no need to do the troublesome work of scraping out.

<Effects of the invention> As detailed above, the present invention is equipped with a push-out mechanism in the grass collection unit that pushes out the grass clippings inside the grass collection unit toward the discharge port in conjunction with the opening of the lid. The grass clippings can be easily discharged from the grass area, which is extremely convenient. The present invention has the above advantages and is of great practical benefit.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, in which Fig. 1 is a longitudinal sectional view of the main part, Fig. 2 is an overall side view, Fig. 3 is a plan view of the same, and Fig. 4 is a partial longitudinal sectional view of the mower. Figure, 5th
The figure is a longitudinal cross-sectional view of the main part showing an operating state different from that in Figure 1, and Figure 6 is a cross-sectional view taken along the line A-A in Figure 5.
FIG. 7 is a sectional view taken along the line BB in FIG. 2. 1...tractor, 3...muzzle mower, 29...
Grass collecting section, 30...Feeding device, 33...Main body, 34
... Lid body, 52 ... Extrusion mechanism.

Claims (1)

[Scope of utility model registration request] The grass collection section 29 is provided with a grass collection section 29 that stores the cut grass and discharges it from the discharge port 35.
In the work machine equipped with a lid body 34 that opens and closes 5,
A grass clippings discharging device for a working machine, characterized in that the grass collecting section 29 is provided with a pushing mechanism 52 that pushes out the grass clippings inside the grass collecting section 29 toward the discharge port 35 side in conjunction with opening of the lid body 34.