JP3021701B2 - Tractor mower collector - Google Patents

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 turfgrass mounted on a tractor and cut is stored in a collector, and the turfgrass stored in the collector is easily dumped to a high position. .

[0002]

2. Description of the Related Art In a form in which a collector on a vehicle body is dumped while being lifted to a predetermined height, a sufficient height can be obtained with a simple lift using a parallel link mechanism or an X link mechanism. There may not be. This is because there are many dumping operations at high positions when loading and storing pasture harvested in Mohr. The present invention is intended to solve such a defect and to perform a dumping operation by lifting the collector to a higher position with a simple configuration.

[0003]

Means for Solving the Problems] The first invention Oite the Collector <br/> compactors 8 rear portion of the vehicle body, the vertical direction of the front axis 3a
The movable arm 5a is configured to swing vertically with respect to the vehicle body 1, and a communication port 23 is formed at a front portion of the collector 8, and the lawn grass cut by the front lower mower 14 is formed in the communication port 23. The upper discharge port 22 of the transporting cylinder 16 to be transferred faces the lower side, and the cut turfgrass is discharged from the upper discharge port 22 into the collector 8 during the transfer of the cut turf grass, and the upper discharge port 22 is discharged from the communication port 23 as the collector 8 rises. configuration and the outlet 22 is disengaged
And, the lower the side view orientation of the movement arm 5a, the time of the collector 8 descends and the rear edge position of the downward movement arm 5a on which the upper position of the front side axis 3a, collectors 8
As a lower position in front side axis 3a at the time of rising, tractor mower of Kore, characterized in that to enable increased to a Backward up posture swing tip of the vertical movement arm 5a
Configuration. The second invention, Oite co Rector <br/> 8 rear portion of the vehicle body, the vertical movement A of the front axis 3a
By chromatography arm 5a freely vertically swung relative to the vehicle body 1
And the vertical movement arm 5a of the front axis 3a is
Provided at approximately the same length as the collector front and rear near the collector
And the side view attitude, at the time of the collector 8 down before how axis 3a
Was a person falling posture after the upper position, as the lower position in front side axis 3a at the time of the collector 8 increases, then permitted to rise until the Backward up posture swing tip of the vertical movement arm 5a, further vertically The dump shaft 7 of the collector 8 is provided near the protruding tip of the moving arm 5a .
Tractor mower collector configuration. Also,
The third invention is Oite co director 8 to the vehicle body rear part, the front
The vehicle body 1 is moved by the vertical movement arm 5a of the axis 3a.
Vertically swingably configured, the lid 26 for discharging the inside of the accommodation thereof to the rear wall of the collector 8 provided at the ceiling side as a lateral control shaft 25, the vertical movement arm and said lid 26 to The tractor mower according to claim 1 or 2 , wherein the tractor mower (5a) and the rod (5a) are interlockingly connected by a rod (30).

[0004]

According to the construction of the first aspect, when the collector 8 is lowered to the rear part of the vehicle body 1, the mower 14
Turfgrass harvested from and transported through the transport cylinder 16
The collector 8 passes through the communication port 23 at the front of the collector 8.
Housed within. When the collector 8 is full and dumping is performed to discharge turfgrass, the vertical movement arm 5a is moved to the front axis 3a by a lift actuator.
When the rear end is raised to the fulcrum, the connection between the communication port 23 at the front of the collector 8 and the upper end discharge port 22 of the transport cylinder 16 is opened as the collector 8 moves upward. In the configuration according to the second aspect, the vertically movable arm 5 is set to the rearwardly lowered posture.
a rear end portion by the lift cylinder 4 from the vehicle body 1 to a collector 8 front around the upright to the machine frame above the <br/> front side axis 3a is rotated upward, as collectors 8 can also be increased at the same time I have. At this time, the vertical movement arm 5a is connected to the collector
Near the bottom, approximately the same length as the collector front and rear
The end side moves from the rear-down posture state to the rear-up posture state.
This makes it possible to swing up and down.
The collector 8 attached to the protruding tip side of the arm 5a is high.
Can be lifted to position. Then, as the projecting tip side of the vertical movement arm 5a rises, the collector 8 moves up at the same time, and the connection relationship between the communication port 23 at the front of the collector 8 and the upper end discharge port 22 of the transport cylinder 16 is changed as described above. Then, outside air enters the collector 8 through the communication port 23. When a dumping operation is performed by the dump cylinder 6 at any one of the rising and lowering positions of the vertical moving arm 5a, the collector 8 moves upward around the dump shaft 7 at the rear of the vertical moving arm 5a. beyond as Ru is rotated. According to the configuration of claim 3, when the dumping operation is performed by the dump cylinder 6 at any one of the up and down positions of the vertical movement arm 5a, the collector 8
The rod 3 is simultaneously rotated around the dump shaft 7 at the rear of the vertical movement arm 5a so that the front thereof is directed upward.
Through 0 Ru opened upward in conjunction with closing cover 26 lower end. Ko
The bottom surface of the Rector 8 are taken back inclination, it discharges the grass which has been accommodated in the lower rear. When the opening / closing lid 26 is opened, the outside air enters the collector 8 from the communication port 23 rotated to the upper part of the collector 8, so that the turfgrass can be smoothly discharged downward without ventilating the collector wall.

As described above, according to the structure of the first aspect, the communication port 23 at the front part of the collector 8 and the upper discharge port 22 of the transport cylinder 16 are associated with the upward movement of the collector 8 by the actuator.
Is in an open state, the connection between the two when the collector 8 moves up and down can be connected or opened without manual operation, and the operation is easy. Also, by way of the second aspect, the vertical moving arm 5a to increase the collector 8, the front side shaft as the rear edge orientation in the machine frame above the upper protruding from the vehicle body 1 in the collector 8 front heart 3a side is high while being supported in position, because the dump axis 7 parts of the projecting rearwardly around vertically moving arm 5a of the front side axis 3a is mounted in a cantilever this high position is intended to be raised and lowered vertically Even if the total length of the moving arm 5a is limited by the front-rear length of the vehicle body 1, the collector 8 can be raised to a high position. Further, the dumping posture position can be selected in the middle of the ascending position or at the upper end , and the lower end of the opening / closing lid 26 is automatically opened upward through the rod 30 at the time of selecting the dumping posture, so that the configuration is simple. At the same time, the workability at the time of discharging the turfgrass can be improved.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In the illustrated example , a vehicle body 1 has front wheels 9,
And an upper engine cover 1 having a rear wheel 10
1, the rear wheels 10 can be steered by an operation using a cockpit 12 mounted on a front part and a steering handle 13 provided further forward. Mohr 14 is the body 1
By mounting the front wheel 9 in front of, and configured to convey the grass taken cutting through one side of the blower 15 and the transport tube 16 to the vehicle body 1 the rear of Suroa 17. The transfer cylinder 16 is configured in a bellows shape so as to be freely directional. Reference numeral 18 denotes a gauge wheel that supports a front portion of the mower 14.

[0007] cockpit 12 after the side of the vehicle body 1, a support frame 2 of appropriate height is provided, the right and left side portions of the support frame 2, respectively Re Husband Re vertically moving arm 5a, 5a of the pre-way around the axis 3a, are mounted for vertical movement by an actuator. Then, the collector 8 is mounted on the vertical movement arms 5a, 5a, and the collector 8 is vertically moved. In the illustrated example, the upper and lower moving arm 5
The front end portion of the upper and lower respective parallel link 5 consisting of a and lower auxiliary arm 5b, which supports freely vertically rotated by the lift shaft 3 consisting of front side axis 3a and the lower axis 3b. Each of the left and right parallel links 5 and 5 is set to be as long as possible from the lift shaft 3 to the rear and lower part of the vehicle body 1 by making a pair of upper and lower links parallel, and includes an upper and lower moving arm 5a and a lower auxiliary arm 5b. The rear end of the parallel link 5 is connected at the rear with a dump shaft 7 provided at the upper end of a vertical link 19 and a link shaft 20 provided at the lower end thereof. 5 and a connecting link 19 which is vertically mounted on the rear part of the parallel link 5 constitute a quadrilateral parallel link mechanism. Further, the vertical connecting link 19
Has a support arm 19a projecting from the upper end toward the front in an L-shape in a side view, and a stopper 28 is provided at the projecting end. The support arm 19a always keeps the attitude of the collector 8 in the same attitude with respect to the parallel link mechanism, and is maintained by supporting the bottom 21 of the collector 8 with a stopper 28. In the configuration without the support arm 19a, when the parallel link 5 composed of the upper and lower moving arms 5a and the lower auxiliary arm 5b moves upward, the bottom 21 of the collector 8 is raised in a posture along the vertical moving arm 5a. It does not cause a problem within the range of the normal height.

The collector 8 has a bottom portion 21 inclined backward and downward, a communication port 23 for communicating with an upper end discharge port 22 of the throat 17 at a front end portion, and an upper opening / closing portion at a rear end discharge port 24. An opening / closing lid 26 that rotates around a shaft 25 and opens and closes is provided. The lifting and lowering of the collector 8 is performed by the vertical rotation of the parallel link 5 due to the expansion and contraction of the lift cylinder 4, and the lift cylinder 4 is extended and contracted by controlling the lift control valve in the hydraulic circuit. The lift cylinder 4 is connected between a lower portion of the support frame 2 and an upper side of the parallel link 5.

[0009] Collector 8Is rotating around the dump shaft 7
It is supported byRotation of the parallel link 5
Rear endAttached toLink 19Projecting from
Between the collector arm 27 and the bottom 21 of the collector 8
AttachedHydraulic circuit dump control valve
By the dump cylinder 6 which expands and contracts under the control of the
Done. Connecting link 19 and collector arm 27Haichi
Because it is a body, the collector 8
Is rotated around the dump shaft 7. Opening / closing of the lid 26
The opening / closing shaft 25 that rotates integrally with the opening / closing lid 26 interlocks.
Arm 29 and the connecting link 19Side up and down movement
5aIs connected by a rod 30 to the dump series.
By the expansion and contraction of theThe resulting bottom 21 of the collector 8
And vertical movement arm 5aWithTo the displacement of the operation interval between
Depending onOpening / closing lid 26 moves around opening / closing axis 25AutomaticallyOpen and close rotation
I do. For this reason, when the collector 8 is inclined backward,
Open / close lid 26 is openCollector 8Bottom 21But at the same time
UprightLean backward,Turf grass is dumped through the open outlet 24
Can beIn the illustrated example, the lower end of the rod 30 is
A support arm projecting forward from the upper end of the connecting link 19
It is attached to the room 19a. With this configuration,
As described above, while maintaining the attitude of the collector 8,
Move up.Therefore, when the collector 8 is inclined backward
Open the lid 26Collector 8Bottom 21But at the same time
In the upright directionLean backward,Turfgrass is drained from the open outlet 24.
Can be pumped.ThisOf the collector 8 during the lift
The communication port 23 is connected to the discharge port 22 of the thrower 17 by the collector 8.
Up and down movement within a certain range while being communicated with the internal guide cylinder 35
So that even if the collector 8 is not at the bottom,
Can be containedWith the bottom of the collector 8
When the part 21 rotates in the upright direction around the dump shaft 7,
As the outside air is sucked in through the opening 23, the wall of the collector 8 is replaced.
The grass inside is easy to move without worrying.

At the rear end of the vehicle body 1, there is provided a support 33 via a grounding wheel 32 which can move up and down via a parallel link 31, and receives a shaft 34 of the connecting link 19 on which the dump cylinder 6 is mounted. The collector 8 does not move below the support 33. Reference numeral 36 denotes a hydraulic pipe constituting a hydraulic circuit.

[Brief description of the drawings]

 FIG. 1 shows an embodiment of the present invention.

FIG. 1 is an overall side view.

FIG. 2 is a side view showing an operation state of a part of FIG. 1;

FIG. 3 is a side view showing an operation state of a part of FIG. 1;

FIG. 4 is a partial plan view.

FIG. 5 is a rear view.

FIG. 6 is a perspective view of a collector part that can be partially broken.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body 2 Support frame 3 Lift shaft 4 Lift cylinder 5 Parallel link 6 Dump cylinder 7 Dump shaft 8 Collector

Claims (3)

(57) [Claims] 1. A Oite co director 8 to the vehicle body rear part, the front
The vehicle body 1 is moved by the vertical movement arm 5a of the axis 3a.
Vertically swingably configured to, the communication opening 23 formed in front of the collector 8, the upper end discharge port 22 of the transport tube 16 for transferring the grass was cut at the front below the mower 14 in the communicating opening 23 When the cut grass is transferred, the cut grass is discharged from the upper discharge port 22 into the collector 8 while the cut grass is being transferred.
2 on the side of the vertical movement arm 5a.
The surface visual orientation, and downward movement arm 5a rear edge position on the time of the collector 8 descends to the upper position before lateral axis 3a, a lower position in front side axis 3a to the collector 8 at elevated vertically moving arm 5a collector features and to belt Lac <br/> Tamoa that it has permitted to rise until the Backward up posture swing tip of. Wherein Oite co director 8 to the vehicle body rear part, the front
The vehicle body 1 is moved by the vertical movement arm 5a of the axis 3a.
To be able to swing up and down with respect to the front axis 3a.
Move the arm 5a in the direction near the collector
Over a side view orientation provided on the longitudinal length substantially the same length, the person falling posture later when collector 8 descends to the upper position before lateral axis 3a, a lower position in front side axis 3a to the collector 8 ascent, that up and down swing tip direction moving arm 5a is permitted to rise until the Backward on <br/> rising posture, further dump shaft 7 collectors 8 provided in the protruding end portion vicinity of the vertical movement arm 5a Features a tractor mower collector. 3. Oite co director 8 to the vehicle body rear part, the front
The vehicle body 1 is moved by the vertical movement arm 5a of the axis 3a.
Vertically swingably configured, the lid 26 for discharging the inside of the accommodation thereof to the rear wall of the collector 8 provided at the ceiling side as a lateral control shaft 25, the vertical movement arm and said lid 26 to The tractor mower collector according to claim 1 or 2 , wherein the tractor mower (5a) is interlocked with the rod (5).