JPH01196221A - reaping device - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a reaping device for cutting weeds, grass, etc., and in particular to a mowing device on the side of the mower deck in order to smoothly discharge and collect the cut weeds, etc. from the mower deck into a grass collecting container. The present invention relates to a support structure for stirring blades provided in the section.

[Prior Art] Conventionally, although not shown in the drawings, this type of reaping device connects a mower and a grass collection container attached to the rear of the machine with a cylindrical body, and the grass is harvested using a cutting blade inside the mower. Weeds and the like were discharged from the moadetsuki and were passed through the cylinder and collected in a grass collecting container.

[Problems to be Solved by the Invention] However, in the case of such a device, weeds etc. discharged from the mower deck may accumulate near the lower bend of the cylinder, and if the weeds etc. are damp, this tendency will occur. This has the disadvantage that it is difficult to collect cut weeds, etc.

[Means for solving the problems] The present invention is proposed in view of the above-mentioned problems, and takes the following technical measures.

That is, one side in the lateral direction of the mower deck 5 that covers the rotary blade body 3 is opened, and the cylindrical body 23 for collecting grass clippings is attached to this opening.
In a reaping device configured to pass cut grass through a cylindrical body 23 and collect it in a grass collecting container 22 attached to the rear of the machine body, a rigid frame 31 is mounted on the upper part of the mower deck 5 body along the front and back direction. At the same time, a plate 30 is extended laterally outward from this frame 31,
The structure of the reaping device is characterized in that a bearing metal 26 for supporting at least the stirring blade 24 is attached to this plate 30.

[Example and its operation code] Hereinafter, the present invention will be described in detail based on the drawings.

First, to explain the structure, 1 is a garden tractor mainly used for mowing grass, weeds, etc., 2 is a mower main body of a reaping device attached to the bottom of the tractor, and this mower main body 2 is a garden tractor mainly used for mowing grass, weeds, etc. It consists of a blade 3..., three vertical shafts 4 for rotating it, a mower deck 5 that covers the rotating part, etc., and the rotational power taken out from the front part of the engine 6 is transferred to an appropriate location in the transmission case 7. The transmission is transmitted to the lower PTO shaft 8 via a transmission element, and the lower PTO shaft 8 and an input shaft 10 mounted on a transmission box 9 on the mower body 2 side are interlocked and connected by a universal joint 11, and the vertical shaft on the mower body 2 side 4... are configured to be rotationally driven. A pulley (not shown) is fixed to the intermediate part of the vertical shaft 4 at the center in the left and right horizontal direction, which is mounted on the transmission box 9, and intermediate pulleys (not shown) fixed to this pulley and the other two vertical shafts 4... (not shown), a belt is wound around the
The vertical axes 4... are all rotated in the same direction (in this embodiment, clockwise as shown in FIG. 2). The cutting blade 3 has a band-like shape in plan view, and has a blade portion 13 at the front end edge on the rotation direction side at both left and right ends, as shown in the figure. At the front of the moadetsuki 5, there are a front wall 17, a ceiling wall 18. It consists of a rear wall 19, and is provided with a cut grass discharge passage 14 for discharging cut grass, etc., and this discharge passage 14 is constructed one step higher than the ceiling wall 15 of the mower deck 5 when viewed from the rear. A discharge port 16 is provided on the right lateral side of the cut grass discharge passage 14 to discharge the cut grass outside the mower deck 5, and the discharge port 16 is used for discharging weeds, etc. into a grass collection container 22 attached to the rear of the machine. A cylindrical body 23 is connected for guidance. The cylindrical body 23 includes a first cylindrical body 23a that is directly connected to the discharge port 16 and changes the discharge direction to rearward and upward, and a cylindrical second cylindrical body 23b that is connected to the rear of the first cylindrical body 23a. The rear end of the second cylindrical body 23b is connected to the opening at the upper right front of the grass collection container 22. A stirring blade 24 is provided inside the first cylinder 23a, and the stirring blade 24 is placed close to the lower surface of the first cylinder 23a and has both ends raised upwardly and curved along the inner peripheral surface of the first cylinder 23a. The first cylindrical body 23a has a function of stirring weeds and the like that accumulate at the bottom of the first cylindrical body 23a.

25 is a drive shaft to which the stirring blade 24 is attached, 26 is a bearing metal that rotatably supports the drive shaft 25, and 27 is a pulley fixed to the upper part of the drive shaft 25. Bearing metal 2
6 is not directly supported by the first cylindrical body 23a but directly fixedly supported by the plate-like plate 30. Further, a rigid frame 31 for preventing deformation of the mower deck 5 is fixedly attached to the upper part of the mower deck 5 on the side of the discharge slot 16 along the upper surface of the mower deck 5, and the inner end of the plate 3o is attached to the frame 31. to fix. Further on the plate 31 are a tension pulley 32a, a tension arm 32b, and a spring adjustment mechanism 3 for biasing these to one side.
3 is provided. Also, a vertical shaft 4 supporting the cutting blade 3
. . . Above the right vertical shaft 4 is the stirring blade 2.
A pulley 34 for driving the blades 3 is attached, and a belt 36 is wound between this pulley 34 and the pulley 27, so that when the blades 3... rotate, the stirring blades 24 are also driven to rotate. It consists of In the figure, reference numeral 37 is a roller attached to the front and rear of the mower deck 5 to support the mower deck 5, and 38 is a U-shaped bridge body in side view attached to the lower part of the first cylindrical body 23a, whose front and rear ends are Both are fixedly attached to the flange portion 39 of the first cylindrical body 23a.

On the upper side, when the rotational power of the engine 6 of the tractor 1 is transmitted to the mower body 2 side, each cutting blade 3... rotates clockwise. In this state, move the machine forward to cut grass, weeds, etc. The cut grass is discharged from the discharge passage 1 in Moadetsuki 5.
The cutting blades 3 are guided to the 4 side, and are discharged from the mower deck 5 through the discharge passage 14 through the discharge port 16 on the lateral outer side by the wind generated by the rotating cutting blades 3 . The weeds etc. discharged from the discharge port 16 are first fed into the first cylindrical body 23a, and then transferred to the second cylindrical body 23 while changing the transfer direction from the side to the rear side.
b, and collected in the grass collecting container 22.

At this time, cut weeds and the like tend to accumulate in the lower bent part of the cylinder body 23, and especially in the case of wet and heavy weeds, they accumulate below the first cylinder body 23a and narrow the discharge passage, causing the weed collection container However, in this embodiment, the
A stirring blade 24 is connected to the first cylindrical body 23 below the passage in the i-body 3a.
a A pulley that is provided in a vertically curved manner so as to be close to the bottom and that both ends thereof are along the inner circumferential surface of the cylindrical body 23a, and that is attached to a vertical shaft 4 that rotationally drives the outermost cutting blade 3. Since the stirring blade 24 is rotated by receiving power from the mower deck 5, the structure is simple, and the grass clippings discharged outside the mower deck 5 are reliably raked up without accumulating in the cylindrical body 23. It can be sent to the 22 side. Further, the plate 30 supports a tension roller 32a, a tension arm 32b, a spring adjustment mechanism 33, a bearing metal 26, etc., and since this plate 3o is attached to a rigid frame 31, it is attached to the cylinder body 23 side. does not apply a large force, and therefore the cylinder body 2
3 can also be made of cheap and light plastic or the like. Further, in this embodiment, the turret body 38 is attached to the lower part of the first cylindrical body 23a, but the turret body 38 may be made of plate-shaped steel or rod-shaped steel, and the lower part of the cylindrical body 23 touches the ground when the aircraft moves. Any supporting component may be used as long as it can prevent contact.

[Effects of the Invention] Since the present invention is configured as described above, it has the following technical effects. That is, a rigid frame 31 is fixed to the upper part of the main body of the mower deck 5, and a plate-like plate 3o is extended from the frame 31, and the bearing metal 26, etc., which supports the stirring blade 24 on this plate 30, is diffused. Since it supports the members constituting the device, force is not applied to the cylinder 23 during power transmission when rotating the stirring blade 24. Therefore, the cylinder 23 is made of a relatively weak material such as plastic. It is also possible to form the cylindrical body 23 from other materials, which reduces the overall manufacturing cost and provides excellent effects such as reducing damage to the cylindrical body 23 even during long-term use.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; FIG. 1 is an overall side view, FIG. 2 is a plan view, FIGS. 3 and 4 are perspective views of essential parts, and FIG. 5 is a sectional view. Explanation of symbols 1 Garden tractor 2 Mower body 3 Cutting blade 5 Mower deck 22 Grass collection container 23 Cylindrical body 24 Stirring blade 26 Bearing metal Fig. 3

Claims (1)

[Claims] One side in the lateral direction of the mower deck 5 that covers the rotary blade body 3 is opened, a cylinder 23 for collecting grass clippings is installed in this opening, the cut grass is passed through the cylinder 23, and the mower deck 5 is installed at the rear of the machine. In the reaping device configured to collect grass into a container 22, a rigid frame 31 is mounted on the upper part of the main body of the mower deck 5.
This frame 3 is fixed along the front and back direction.
1. A reaping device characterized in that a plate 30 is provided extending laterally outwardly from the reaper 1, and a bearing metal 26 for supporting at least an agitation blade 24 is attached to the plate 30.