JP4142550B2 - Grass packing machine - Google Patents

Description

  The present invention relates to a grass collecting and packaging machine capable of continuously collecting the grass cut by the grass collecting apparatus with a grass collecting device, picking up the collected grass and packing it, and in particular, a traveling vehicle. The present invention relates to a grass packing machine that can be detachably connected to the front part of the machine.

  Conventionally, a grass collector that attaches to a traveling vehicle a grass collecting device that collects grass that has been cut in a ranch or a riverbed in one direction, and a packaging device that picks up the collected grass grass and packs it on the vehicle body. A self-propelled roll baler is used. However, these devices use a grass collecting device and a roll baler independently, and cannot collect grass and package at the same time.

  In order to solve this problem, a grass collecting device is attached to the front of a riding type vehicle body having a self-propelled traveling device, and a pickup device that picks up the grass that has been collected by the grass collecting device and the grass that has been picked up are packed at the rear of the vehicle body. 2. Description of the Related Art A grass collection cart (see, for example, Patent Document 1) provided with a packaging device for performing such a proposal has been proposed.

  The grass collection cart 51 described in Patent Document 1 has a configuration as shown in FIGS. That is, a machine frame 54 that can be moved up and down is provided at the front of a riding-type vehicle body 53 having a traveling device 52. The machine frame 54 includes a plurality of grass collecting devices 56 having grass collecting claws 55 that move laterally along the ground so that the grass cut within the width of the vehicle body 53 can be collected inside the traveling device 52. It is provided to project to the side.

  The grass collecting device 56 projecting to the side of the vehicle body 53 is tiltable up and down around the shaft 57 in the front-rear direction provided near the end inside the grass collecting device while maintaining the grass collecting operation. It is attached. A known pick-up device having a rotating claw (not shown) is provided at the middle part in the front-rear direction of the vehicle body 53 behind the machine casing 54 so as to be able to move up and down.

  The pick-up device and the roll baler 60 are connected by a conveyor. The roll baler 60 bundles the cut grass that has been carried in by the conveyor, binds it with twain, and discharges it to the rear of the vehicle body.

  In the grass collection cart 51 described in Patent Document 1, a plurality of grass collection devices 56 are provided in a machine frame that can be raised and lowered by a hydraulic device so as to be able to expand beyond the width of the vehicle body 53. In addition, since the ground grass is collected by the grass collecting device 56 inside the traveling device 52 of the vehicle body 53, a wide range of grass cuts larger than the width of the vehicle body 53 can be processed at a time. In addition, since grass collection and packing can be performed at the same time, it is an efficient grass collection packaging car.

Further, since the grass collecting device 56 is supported so as to be rotatable around the shaft 57 in the front-rear direction, even if the left and right grounds are inclined in the width direction of the vehicle body 53, the grass collecting device. 56 can be tilted along its tilt. Further, when the entire ground is tilted, the vehicle seat 53 and the left and right grass collecting devices 56 are tilted as a whole, so that the operation seat 61 can be operated while being kept horizontal. be able to.
Japanese Patent No. 2744975

  In the grass collection cart 51 described in Patent Document 1, the grass collection operation and the packaging operation can be performed by one packaging machine. However, since the grass collection vehicle is configured as a dedicated vehicle, the grass collection vehicle The packing car itself was enlarged, and it was not possible to carry out the grass packing operation with good turning. It is an object of the present invention to provide a packing machine that is compact, versatile and capable of collecting and packing grass with a small turn and that can be detachably connected to any type of traveling vehicle.

The object of the present invention can be achieved by the inventions described in claims 1 to 4.
That is, in the present invention, as described in claim 1, the packaging machine includes a packing machine that is detachably connected to the front portion of the traveling vehicle, and a grass collecting device that is attached to the packing machine, and the packing machine includes a pickup device, And a packing device for packing the grass that has been picked up by the pickup device, and the grass outlet of the pickup device forms the traveling direction of the vehicle as a front portion and is offset to the left or right side from the traveling center of the vehicle. The grass collecting device collects the cut grass at the grass collection port, and is arranged so as to protrude in a direction opposite to the offset direction of the grass collection port, and the grass collecting device is disposed in the pickup. The most important feature is a grass packer characterized by being retractable in a direction away from the grass outlet of the apparatus.

  Further, in the present invention, as described in claim 2, a main feature is that the grass collecting apparatus includes a grass receiving body sandwiching the grass collection port.

  Furthermore, in the present invention, as described in claim 3, the main feature is that the grass collecting device can be rotated and retracted.

  Furthermore, in the present invention, as described in claim 4, a main feature of the grass collecting device is that the grass collecting device includes a plurality of grass collecting claws that move in a strip-like manner along the ground.

  The grass packing machine of the present invention comprises a packing machine and a grass collecting device, and enables the packing machine having the pickup device and the packing device to be detachably connected to the front part of the traveling vehicle. It is attached to the packing machine. Further, the pickup device is arranged so that the grass outlet of the pickup device opens in the traveling direction of the traveling vehicle, and the grass outlet is arranged offset to the left or right side from the traveling center of the traveling vehicle. Further, the grass collecting device is arranged so that the cut grass collected by the grass collecting device gathers in front of the grass collecting mouth, and the grass collecting device is extended in the direction opposite to the offset direction of the grass collecting mouth. Yes. In addition to these configurations, the grass collection device is configured to be retractable in a direction away from the grass collection port of the pickup device.

  As the packing machine in the present invention, conventionally known pick-up devices and transport conveyors that carry the cut grass picked up by the pick-up device into the packing device, the cut grass that has been transported by the transport conveyor are rolled up, bundled into a roll, and twain A roll baler as a conventionally known packing device that is bundled with the roll, and a discharge unit that discharges the roll-shaped cut grass bundled with the roll baler from the packing device to the outside of the machine are disposed.

  Further, as the grass collecting device, a conventionally known grass collecting device in which a plurality of grass collecting claws are attached to an endless belt or the like at predetermined intervals, or a conventionally known grass collecting device in which a plurality of grass collecting claws are arranged in a disk shape. A grass collector or the like can be used.

  Thereby, the grass collecting and packing machine provided with the grass collecting apparatus and the packing machine can be connected to the traveling vehicle as one attachment. In addition, the grass collector and the grass collecting device of the packing machine are offset in the opposite directions with respect to the traveling center of the traveling vehicle, so the grass collecting device collects grass over a wide range in the width direction of the traveling vehicle. The collected grass can be taken into the packing device by the pickup device and packed.

  In addition, when discharging the roll-shaped cut grass from the roll baler, the grass collecting device can be retracted in a direction away from the grass collection port, so that the grass collected in a roll shape without being disturbed by the grass collecting device is collected. It can be discharged out of the machine from the mouth side. In addition, when discharging the cut grass bundled from the roll baler to the outside of the machine, it is performed in a place where the grass collecting device can be moved to the retracted position, so the cut grass tied in the roll shape is discharged. Can be a place.

  In addition, the conventional packing work vehicle is configured to discharge the cut grass bundled in a roll shape from the rear or the side of the vehicle, so that each time the rolled grass is rolled up, it is wound from the rear or the side of the vehicle. Rolled mowing grass that was bundled up was discharged during the work. For this reason, if the roll-shaped mowing grass is discharged during the packing operation on the inclined surface, the discharged roll-shaped mowing grass rolls down on the inclined surface, and it is difficult to know where it rolls. In addition, since the rolled grass is rolled up and scattered, it takes time and labor to transport the rolled grass to a collection place on a truck or the like.

  On the other hand, the mowing grass bundled in a roll shape using the packing machine of the present invention is discharged after moving to a predetermined discharge location, so that it is possible to always perform a discharge operation at a stable discharge location. In addition, the work of carrying the discharged roll-shaped mowing grass into a truck or the like can also be performed from the same place where it is discharged, and the overall work efficiency can be improved.

  By providing a grass catcher in the grass collector, the grass collected by the grass collector can be collected toward the grass catcher, and the collected grass is efficiently placed on the front side of the grass outlet. Will be able to collect. The grass collection body can be configured by using a plurality of wires arranged in a comb-tooth shape. A wire or the like is formed in a substantially "<" shape, and the upper end side of the substantially "<" shape is fixed to a support bar or the like attached to a grass collecting device or the like, and the lower end side is set in the traveling direction of the traveling vehicle. By disposing it so as to face in the opposite direction, it is possible to prevent the tip portion of the wire or the like from coming into contact with the ground when the traveling vehicle travels and pierce it.

  Furthermore, by constructing a grass catcher using a plurality of wires arranged in a comb-like shape, the grass catcher performs a kind of sieving action and is collected together with the cut grass collected by the grass collector. Can be selected, and it is possible to prevent the stones and the like from being mixed into the cut grass bundled in a roll shape.

  As a configuration for retracting the grass collecting device from the grass collection port, a configuration in which the grass collecting device is rotated in a direction standing upright with respect to the ground, or a configuration in which the grass collecting device is rotated in a horizontal direction with respect to the ground. It is also possible to adopt a configuration in which the grass collecting device is translated in a horizontal direction or the like with respect to the ground. At that time, the grass receiving body can be retracted from the grass collecting port integrally with the grass collecting device, or can be retracted from the grass collecting port by a driving mechanism different from the grass collecting device.

  In a case where the grass receiving body is retracted from the grass collection port by a driving mechanism different from the grass collection device, the rotation direction of the grass collection device is determined when the grass collection device is rotated and retracted from the grass collection port. Can be configured to retreat the grass collector from the grass outlet by rotating the grass collector in the opposite direction. In addition, when the grass collecting device is configured to move in parallel with the ground in the horizontal direction, the grass receiving body may be moved in the same direction as the moving direction of the grass collecting device. It can also be set as the structure which revolves and retracts from a grass-collecting mouth.

  Preferred embodiments of the present invention will be specifically described below with reference to the accompanying drawings. In addition, this invention is not limited to the Example demonstrated below, A various change is possible.

  FIG. 1 shows a schematic side view of a grass packing machine connected to a traveling vehicle. FIG. 2 is a schematic top plan view of the grass packer connected to the traveling vehicle, and FIG. 3 shows an example in which the grass collector is retracted from the grass outlet.

  The grass packer 1 in the present invention can be detachably connected to a traveling vehicle. The traveling vehicle is not particularly limited, and can be connected to a radio-controlled traveling vehicle 2 as shown in FIG. 1 or to a traveling vehicle driven and operated by an operator.

  In the traveling vehicle 2 shown in FIG. 1, various necessary devices such as a fuel tank, an oil tank, and a radiator are mounted on the traveling device 3 in addition to the engine and the radio control device. A portal frame 8 is attached to the front portion of the traveling vehicle 2 by a link device 4. The link device 4 includes a pair of left and right lower links 5 and a single upper link 6 as conventionally known.

  One end of the lower link 5 is supported on the traveling vehicle 2, and the other end supports the lower end of the portal frame 8. One end of the upper link 6 is supported on the traveling vehicle 2, and the other end supports the upper end of the portal frame 8. One end of the cylinder 15 that rotates the lower link 5 is supported by the traveling vehicle 2, and the other end supports the arm 16 in a freely rotatable manner. One end of the arm 16 is supported by the traveling vehicle, the middle part is supported by the cylinder 15, and the other end part supports the end of the link 17 that supports the middle part of the lower link 5.

  The lower link 5, the upper link 6 and the portal frame 8 constitute a parallel link mechanism, and the cylinder 15, the arm 16 and the link 17 constitute a link mechanism for rotating the lower link 5. The lower ring 5 is rotated by the expansion / contraction operation of the cylinder 15, and the portal frame 8 can be rotated in the vertical direction. A chain or the like can be used instead of the link 17.

  A machine frame 7 is supported by the portal frame 8 with three-point support. On the machine frame 7, a roll baler 23 as a packing device, a pickup device 21, and a transport conveyor (not shown) for carrying the cut grass picked up by the pickup device 21 into the roll baler 23 are mounted.

  The machine casing 7 has a pair of support wheels 11 having a caster function, and the pickup device 21 also has a pair of support wheels 12 having a caster function. The pair of support wheels 12 provided in the pickup device 21 are configured to be adjustable in the vertical direction by screws (not shown).

  The packaging machine 20 includes a machine frame 7, a pickup device 21 mounted on the machine frame 7, a transport conveyor (not shown), a roll baler 21 as a packaging device, a pair of support wheels 11 attached to the machine frame 7, a pickup It is comprised from a pair of support wheel 12 with which the apparatus 21 was equipped. Since the packing machine 20 is installed alone in a stable state, a support means (not shown) can be attached to the gate frame 8 side of the machine frame 7 so as to be detachable and extendable.

  As the pick-up device 21 disposed at the grass collection port 28 of the packing machine 20, a drum 24 having a plurality of tines 25 protruding in the radial direction is disposed. As a result, the drum 24 is rotated while the packing machine 20 is moved forward to pick up the cut grass from the grass outlet 28 by the tine 25, and the picked up cut grass is fed into the roll forming chamber of the roll baler 23 via a transport conveyor (not shown). Can be brought in. In the roll baler 23, the imported cut grass is wound into a roll shape, and can be bound by twain or the like when a predetermined amount is wound.

  As shown in FIG. 2, a support frame 31 that supports the grass collecting device 30 is supported on the machine frame 7 so as to be rotatable about the support shaft 10. A cylinder 9 for rotating the support frame 31 is disposed between the machine frame 7 and the support frame 31. The support frame 31 supports a guide frame 33 whose swing shaft 32 is swingable, and a grass collecting device 30 is attached to the guide frame. Since the guide frame 33 can swing around the swing shaft 32, the grass collecting device 30 can always be installed in a state facing the ground side by its own weight.

  As shown in FIGS. 1 and 2, in the grass collecting device 30, a pair of endless belts 34, 34 to which grass collecting claws 36,... 36 are attached are provided in cover plates 42, 42 arranged on the left and right sides. Yes. The pair of endless belts 34 and 34 are hung between a driving pulley 40a and a driven pulley 40b supported by the guide frame 33 via bearings. A transmission belt 45 is stretched between a pulley 44 provided coaxially with the drive pulley 40 a and a pulley 43 attached to an output shaft of a motor 41 attached to the guide frame 33.

  Between the drive pulley 40a and the output shaft of the motor 41, a belt transmission mechanism including pulleys 43 and 44 and a transmission belt 45 is arranged, and the rotation of the motor 41 is transmitted to the drive pulley 40a. The rotation of the motor 41 can also drive the drive pulley 40a using a transmission mechanism other than the belt transmission mechanism.

  A plurality of support bars 35 are spanned between the pair of endless belts 34, 34, and grass collecting claws 36,. The drive pulley 40a is driven by the drive of the motor 41, and the pair of endless belts 34, 34 can be driven via the driven pulley 40b. Thus, the grass collecting claws 36,..., 36 can be rotated to scrape the cut grass to the grass collection port 28 side. An endless chain may be used instead of the endless belt, and a driving sprocket and a driven sprocket may be used instead of the driving pulley and the driven pulley.

  A support wheel 39 having a caster function is provided at a front portion in the traveling direction of the grass collecting device 30. The height of the support wheel 39 can be adjusted by a screw (not shown), and the height position of the grass collecting claw 36 from the ground can be adjusted.

  Further, the grass collection device 30 supports a grass collection receptacle 38 via a support bar 37, and the distance between the grass collection device 30 and the grass collection receptacle 38 can be fixed in an adjustable manner. The grass collection body 38 is composed of a plurality of wires arranged in a comb shape. The wire is formed in a substantially “<” shape, and the upper end portion is fixed to the support bar 37 so that the lower end portion of the substantially “<” shape faces in the direction opposite to the traveling direction of the traveling vehicle. Yes.

  By using a wire as the grass collection body 38, even if stones or the like are mixed into the grass cut by the grass collecting claws 36, the stones or the like can be discharged to the outside through the gap between the wires, and only the grass is removed from the roll baler. 23 can be carried in. As a result, it is possible to prevent stones and the like from being mixed into the grass cut in a roll shape.

  As shown in FIG. 2, the grass collection port 28 of the pickup device 21 is arranged offset to one side from the traveling center of the traveling vehicle 2, and the pickup device 21, a transport conveyor (not shown) and the roll baler 23 are arranged in a straight line. ing. Further, the grass collecting device 30 is offset from the traveling center of the traveling vehicle 2 in the direction opposite to the offset direction of the grass collecting port 28. The grass collection port 28 is disposed between the end portions of the grass collection body 38 and the endless belts 34, 34.

  The arrangement positions of the grass receiving body 38 and the end portions of the endless belts 34 and 34 and the grass collection port 28 are the collection positions that are conveyed and driven by the endless belts 34 and 34 when the endless belts 34 and 34 are driven at a predetermined driving speed. The driving speed of the endless belts 34, 34 and the collection speed so that the grass that has been scraped by the grass claws 36 and whose movement position is regulated by the grass catcher 38 gathers in a substantially uniform state at the front of the grass collection port 28. It is desirable to adjust the arrangement position of the grass receiver 38, the positions of the end portions of the endless belts 34, 34, and the position of the grass collection port 28 in advance.

  When the amount of mowing grass stored in the roll baler 23 reaches a predetermined amount, the traveling vehicle 2 moves backward or changes its traveling direction and moves the grass packer 1 to a predetermined flat place. When the grass packing machine 1 moves to a predetermined flat place, the cylinder 9 is actuated, and the grass collecting device 30 and the grass receiving body 38 are rotated clockwise in FIG. Rotate. Thereby, as shown in FIG. 3, the grass collection device 30 and the grass collection receptacle 38 can be retracted from the front portion of the grass collection port 28. Thereafter, the upper body 26 of the roll baler 23 is opened upward, and the roll-shaped cut grass bundled in the roll baler 23 can be rolled out from the grass collection port 28.

  After the grass cut in a roll shape is discharged from the roll baler 23, the upper body 26 is closed and the cylinder 9 is operated to return the grass collection device 30 and the grass collection receiver 38 to the front portion of the grass collection port 28. Thereafter, the grass packer 1 is returned to the place where the grass has been collected, and the grass collection operation is resumed. When the amount of mowing grass stored in the roll baler 23 reaches a predetermined amount again, the roll baler 23 returns to the place where the roll-shaped mowing grass was discharged. By repeating these series of operations, the grass collection operation can be performed efficiently. The stored state of the cut grass in the roll baler 23 can be determined by a packing pressure detection means (not shown) provided in the roll baler 23.

  When the grass packing machine 1 is moved to the flat place or moved from the flat place to the work resumption place, the portal frame 8 is moved upward by rotating the lower link 5 by operating the cylinder 15. It can also be rotated and moved as a state where the grass packing machine 1 is lifted.

  Since the grass collecting and packaging machine 1 of the present invention has a configuration in which the packing machine 20 can be detachably connected to the traveling vehicle, the mowing machine and the like are removed from the traveling vehicle to which the mowing machine and the like are connected, and the present invention is applied. The grass packing machine 1 can be connected. For this reason, it becomes possible to cause the traveling vehicle to perform operations other than the grass packing operation. In addition, since the grass collection port 28 and the grass collection device 30 of the packing machine 20 are disposed in a state where they are offset to the left and right with respect to the traveling center of the traveling vehicle 2, the grass collection range by the grass collection device 30 is widened. Can increase the working efficiency of grass collection.

  In addition to the grass packing machine, the present invention can be applied to a vacuum cleaner that cleans a place with a large floor area such as a gymnasium by using the grass collecting device as a dust collecting and collecting device of a vacuum cleaner and a packing machine as a suction device. The technical idea of the present invention can be applied.

It is a schematic side view which shows the whole figure of this invention. (Example) It is a schematic plan view which shows the whole figure of this invention. (Example) It is a schematic plan view which shows the retracted state of a grass collecting apparatus. (Example) It is a schematic side view which shows a prior art example. (Conventional example) It is a schematic front view in a prior art example. (Conventional example)

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Grass collecting packing machine 2 Traveling vehicle 3 Traveling apparatus 4 Link apparatus 5 Lower link 6 Upper link 7 Machine frame 8 Portal frame 9 Cylinder 10 Support shaft 11 Support wheel 12 Support wheel 15 Cylinder 16 Arm 17 Link 20 Packing machine 21 Pickup device 23 Roll Baler 24 Drum 25 Tine 26 Upper Body 28 Grass Collection Port 30 Grass Collection Device 31 Support Frame 32 Oscillating Shaft 33 Guide Frame 34 Endless Belt 35 Support Bar 36 Grass Claw 37 Support Bar 38 Grass Collection Receiver 39 Support Wheel 40a Drive Pulley 40b Driven pulley 41 Motor 42 Cover plate 51 Grass packer 52 Traveling device 53 Car body 54 Machine frame 55 Grass collecting claw 56 Grass collecting device 57 Shaft 60 Roll baler 61 Driver's seat

Claims (4)

A packing machine detachably connected to the front of the traveling vehicle;
A grass collecting device mounted on the packing machine;
With
The packing machine has a pickup device and a packing device for packing the grass that has been picked up by the pickup device;
The grass outlet of the pickup device is disposed in the vehicle traveling direction as a front portion, and is offset from the traveling center of the vehicle to the left or right side,
The grass collecting device collects cut grass at the grass outlet, and is disposed so as to protrude in a direction opposite to the offset direction of the grass outlet;
A grass packing machine characterized in that the grass collecting device can be retracted in a direction away from the grass port of the pickup device.   The grass collection packaging machine according to claim 1, wherein the grass collection device includes a grass collection receptacle with the grass collection port interposed therebetween.   The grass collecting and packing machine according to claim 1 or 2, wherein the grass collecting device can be rotated and retracted. The grass collecting / packing machine according to any one of claims 1 to 3, wherein the grass collecting device includes a plurality of grass collecting claws that move in parallel with each other along the ground.