JPH05328819A - Collector of tractor mower - Google Patents

Abstract

PURPOSE:To make a collector cover safe even if an operator opens it unintentionally by letting the collector cover of a collector open after transmission of a lawn collecting device is disengaged. CONSTITUTION:A collector of tractor mower consists of a lawn collecting device 3 for transporting lawn reaped by a mower 1 to a collector 2, a collector cover 4 to open and close the top of the collector 2 to store lawn, a lock mechanism for fixing the closing of the collector cover 4 and a transmission 6 for transmitting the lawn collecting device 3. In operation, fixing and releasing of the rock mechanism 5 is linked to disengagement of the transmission 6 to constitute the collector of tractor mower.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tractor mower collector in which turf grass to be mowed and collected by a mower attached to a tractor is stored in a collector. When the collector cover on the upper part of the collector is opened, it is transferred to the collector. The power of the grass collecting device is cut off for safety.

[0002]

2. Description of the Related Art In a tractor mower, a tractor mower is equipped with a collector containing turf grass to be mowed, and when the collector is full of turf grass, the turf grass is discharged while Continue mowing the grass. At this time, the operator may check the turf grass storage status while opening the collector cover on the collector.
If the grass from the grass collecting device is blown up or the grass in the collector is scattered as soon as the collector cover is opened, it is often dangerous for the worker.

[0003]

SUMMARY OF THE INVENTION The present invention comprises a grass collecting device 3 for bringing in turf grass mowed by a mower 1 to a collector 2,
It has a collector cover 4 that opens and closes on the collector 2 that houses this turf grass, a lock mechanism 5 that fixes the closing of the collector cover 4, and a transmission device 6 that transmits the grass collecting device 3. The tractor mower has a collector configuration in which the fixing release of 1 and the transmission cut of the transmission device 6 are interlocked with each other.

[0004]

When the mowing operation is performed, the lock mechanism 5 is fixed and the collector cover 4 is not opened. Turf grass to be mowed by the mower 1 is collected by the transmission of the grass collecting device 3 and is stored in the collector 2. When the collector 2 is full, the mowing is temporarily stopped and the turfgrass in the collector 2 is discharged.

When an operator opens the collector cover 4 in the middle of such a mowing operation, the lock mechanism 5 is released. The release of the lock mechanism 5 is performed by the transmission device 6 of the grass collecting device 3. Since it is linked to cutting, this grass collecting device 3
The grass collecting action by the is also stopped, and the collector cover 4
When the is opened, the lawn grass is not suddenly blown upward from the inside of the collector 2, and the inside of the collector 2 can be safely inspected.

[0006]

1 to 5, a tractor vehicle body 7 is in a four-wheel drive mode having front wheels 9 and rear wheels 10 which can be steered by a steering wheel 8.
Is mounted on the rear part, the engine E is mounted on the front part, the mower 1 is mounted on the abdomen, the collector 2 is mounted on the rear part, and a grass collecting device 3 including a grass collecting cylinder 12 and a blower 13 is provided between them. Turbine grass that is communicated with and cut by a blade 15 rotating around a cutting blade shaft 14 arranged in the mower deck of the mower 1 is collected from the discharge port 16 on one side to the grass collecting device 3,
It is configured to be transported to the collector 2.

The collector 2 is constituted by a fixed bag 18 fixed to the collector frame 17 and an opening / closing bag 19 on the rear side thereof so as to be openable / closable in a bucket shape, and has an openable / closable collector cover 4 on the upper side surface thereof. The rear end of the upper end of the opening / closing bag 19 and the lower end of the rear end of the collector cover 4 are provided at the rear end of the collector frame 17 so as to be opened and closed about a horizontal opening / closing shaft 20.

A handle 2 for opening / closing the opening / closing bag 19.
1 is provided on the front part of the collector frame 17 so as to be rotatable forward and backward, and by rotating the handle 21 forward, the opening bag 19 is opened rearward by interlocking the rod 22, the arm 23, and the like. In addition, the hook 24 pivotally attached to the fixed bag 18 side is rotated by interlocking with the rod 25,
The pin 26 on the opening / closing bag 19 side is disengaged.

The collector cover 4 covers the upper portions of the bags 19 and 18 in an openable and closable manner. The rear end of the collector cover 4 is rotatably supported around the opening / closing shaft 20, and the front end of the cover 4 is lifted upward. Can be opened by A mesh 27 made of a perforated plate is provided inside the cover 4 at an appropriate interval so that the rear end of the cover 4 is located rearward of the upper edge of the rear end of the bag 19, that is, the shaft 20. Net 27
Exhaust air from the eyes can be discharged to the rear side of the bag 19 through this gap. The opening / closing bag 19 itself also forms a mesh capable of exhausting air.

The turfgrass mowed by mower 1 is a grass collecting cylinder 1.
2 and the blower 13 and the like, and are carried into the collector 2. When discharging the stored turfgrass, handle 21
Is pulled forward, the hook 24 is disengaged from the pin 26, the opening / closing bag 19 is opened backward around the opening / closing shaft 20, and the turfgrass to be stored is discharged downward. Also, when looking at the housed state of grass, the collector cover 4 is opened upward. Such an operation can be performed while sitting in the cockpit 11.

A blower 13 of the grass collecting device 3 is integrally formed on one side of the front side of the collector 2 as described above, and a lower suction port of the blower 13 is communicated with the grass collecting cylinder 12 to discharge the upper end. The outlet is communicated with the inside of the collector cover 4, and the fan 28 of the blower 13 is interlocked with the power takeoff shaft 29 at the rear end of the tractor vehicle body 7 via a universal joint, a shaft 30, a belt 31, and the like. The transmission device 6 of the power take-off shaft 29 is provided with a belt 32 tension type clutch pulley 33, and a link mechanism 35 is operated by operating a clutch lever 34.
Turn the belt tension clutch on and off via.

A hook 37 that engages with the opening / closing edge 36 of the collector cover 4 and stops the opening of the cover 4 is rotatably provided around a pin 38 on a part of the collector frame 17, and a spring 39 is used. The tension is applied in a direction that allows constant engagement. The hook 37 has a handle 40 so that an operator can directly disengage the hook 37 to form the lock mechanism 5.

Checking links 41 and 42 are provided between the hook 37 and the link mechanism 35 of the tension clutch pulley 33, and when the clutch lever 34 is operated to the clutch engaged position, the check link 41 is provided. The engagement between the hook 37 and the collector cover 42 causes the collector cover 4 to move.
When the clutch lever 34 is operated to the disengaged position, the check link 42 is locked.
There is a space between the hooks 37 and 41, the hook 37 can be rotated against the spring 39, and the locked state of the collector cover 4 can be released. In the locked state of the check links 41 and 42, the hook 37 cannot be rotated by the handle 40. Further, in the unlocked state, the hook 37 can be rotated by the handle 40. Reference numeral 43 is a drive side pulley of the transmission device 6, 44 is a driven side pulley, and 45 is a transmission case in which a gear mechanism for transmitting from the shaft of the pulley 44 to the power take-off shaft 29 is incorporated.

6 and 7 are different from the above example in that
The clutch lever 34 and the hook 37 are connected by a wire 46. 8 and 9, the difference from the above example is that one side end discharge port 49 of the weeding passage 48 formed along the front side of the mower deck 47, the rear wall surface 50 side of the weeding passage 48, and the outside The grass separating plate 51 is attached so as to bulge toward the outside, and the outer end surface of the grass separating plate 51 is curved rearward so as to look into the grass collecting cylinder 12 connected to the discharge port 49. .. An intake port 52 is provided between the connecting portion of the grass collecting cylinder 12 and the discharge port portion 49 for sucking outside air.
The weeding passage 48 is discharged by the weeding separating plate 51.
Guide the turf grass discharged toward the front wall surface 53 side,
The grass collection cylinder 12 can be smoothly guided, clogging of the transfer and transfer portions is unlikely to occur, and the strength of the discharge port 49 is increased to provide a stable support structure for the grass collection cylinder 12. be able to.

10 and 11, the difference from the above example is that the front wall surface 53 of the weeding passage 48 of the mower deck 47 is
The slanted guide surface 54 in the shape of an armor and the step portion 55 at this end are alternately formed to prevent adhesion of leaked grass and the like. Each of the step portions 55 is formed with an intake port through which outside air can be sucked.

[Brief description of drawings]

FIG. 1 is a right side view.

FIG. 2 is a rear view of the tension clutch pulley section showing a perspective view of a part of the collector.

FIG. 3 is a side view of a transmission unit that is a part thereof.

FIG. 4 is a left side view.

FIG. 5 is a plan view.

FIG. 6 is a side view showing another embodiment.

FIG. 7 is an enlarged rear view of a part thereof.

FIG. 8 is a plan view of a mower deck part showing another embodiment.

FIG. 9 is an enlarged perspective view of a part thereof.

FIG. 10 is a plan sectional view of a mower deck portion showing another embodiment.

FIG. 11 is a side view thereof.

[Explanation of symbols]

 1 Mower 2 Collector 3 Grass collecting device 4 Collector cover 5 Lock mechanism 6 Transmission device

Claims (1)

[Claims] 1. A turfgrass harvested by a mower 1 is collected by a collector 2.
For collecting grass 3, a collector cover 4 for opening and closing the collector 2 for accommodating the grass, a lock mechanism 5 for fixing the closing of the collector cover 4, and a transmission device 6 for transmitting the grass collecting device 3. And a collector of a tractor mower which has the lock release mechanism 5 and the transmission disengagement of the transmission device 6 interlocked with each other.